1 2006-10-27 Eric Christopher <echristo@apple.com>
3 * config/darwin.c: Fix formatting and grammar.
5 2006-10-27 Jan Hubicka <jh@suse.cz>
7 * builtins.c (fold_builtin): Don't generate NOP_EXPR that is going
8 to be thrown away soon when IGNORE is set.
9 * tree-ssa-ccp.c (convert_to_gimple_builtin): Add IGNORE argument
10 indicating when return value shall not be computed.
11 * gimplify.c (internal_get_tmp_var): Avoid random tree sharing.
13 2006-10-27 Vladimir Makarov <vmakarov@redhat.com>
15 * config/i386/i386.h (TARGET_GEODE):
16 (TARGET_CPU_CPP_BUILTINS): Add code for geode.
17 (TARGET_CPU_DEFAULT_geode): New macro.
18 (TARGET_CPU_DEFAULT_k6, TARGET_CPU_DEFAULT_k6_2,
19 TARGET_CPU_DEFAULT_k6_3, TARGET_CPU_DEFAULT_athlon,
20 TARGET_CPU_DEFAULT_athlon_sse, TARGET_CPU_DEFAULT_k8,
21 TARGET_CPU_DEFAULT_pentium_m, TARGET_CPU_DEFAULT_prescott,
22 TARGET_CPU_DEFAULT_nocona, TARGET_CPU_DEFAULT_generic): Increase
24 (TARGET_CPU_DEFAULT_NAMES): Add geode.
25 (processor_type): Add PROCESSOR_GEODE.
27 * config/i386/i386.md: Include geode.md.
30 * config/i386/i386.c (geode_cost): New initialized global
32 (m_GEODE, m_K6_GEODE): New macros.
33 (x86_use_leave, x86_push_memory, x86_deep_branch, x86_use_sahf,
34 x86_use_himode_fiop, x86_promote_QImode, x86_add_esp_4,
35 x86_add_esp_8, x86_rep_movl_optimal, x86_ext_80387_constants,
36 x86_schedule): Use m_K6_GEODE instead of m_K6.
37 (x86_movx, x86_cmove): Set up m_GEODE.
38 (x86_integer_DFmode_moves): Clear m_GEODE.
39 (processor_target_table): Add entry for geode.
40 (processor_alias_table): Ditto.
42 * config/i386/geode.md: New file.
44 * doc/invoke.texi: Add entry about geode processor.
46 2006-10-27 Mike Stump <mrs@apple.com>
48 * config/darwin-c.c (darwin_cpp_builtins): Move __STATIC__ and
49 __DYNAMIC__ from here back to ...
50 * config/darwin.h (CPP_SPEC): ... here.
52 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
53 Nathan Sidwell <nathan@codesourcery.com>
55 * ggc-common.c (ggc_min_heapsize_heuristic): Be more conservative
56 when choosing the minimum heapsize.
58 2006-10-26 Nathan Froyd <froydnj@codesourcery.com>
60 * gcc/unwind-dw2.h: Move cfa-related variables into
61 struct frame_state_reg_info to ensure that the CFA is properly
62 handled when executing DW_CFA_{remember,restore}_state.
63 * gcc/unwind-dw2.c, gcc/config/alpha/linux-unwind.h,
64 gcc/config/alpha/vms-unwind.h, gcc/config/s390/tpf-unwind.h
65 gcc/config/s390/linux-unwind.h, gcc/config/sparc/linux-unwind.h
66 gcc/config/i386/linux-unwind.h, gcc/config/sh/linux-unwind.h
67 gcc/config/rs6000/linux-unwind.h,
68 gcc/config/rs6000/darwin-fallback.c, gcc/config/pa/linux-unwind.h,
69 gcc/config/pa/hpux-unwind.h, gcc/config/mips/linux-unwind.h:
70 Modify to use new cfa_* fields.
72 2006-10-26 Andreas Krebbel <krebbel1@de.ibm.com>
74 * config/s390/s390.c (s390_init_frame_layout): Check positive
77 2006-10-26 Ben Elliston <bje@au.ibm.com>
79 * gimplify.c (get_name): Remove extraneous break.
80 (gimplify_omp_for): Initialise ret with GS_OK.
82 2006-10-25 Steve Ellcey <sje@cup.hp.com>
84 * config/ia64/hpux.h: Define _INCLUDE__STDC_A1_SOURCE in C++.
85 Add unix98.o to link line.
87 2006-10-25 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
90 * builtins.c (fold_builtin_cbrt, fold_builtin_logarithm):
91 Calculate compile-time constants using MPFR.
92 (fold_builtin_1): Likewise handle BUILT_IN_ERF, BUILT_IN_ERFC,
93 BUILT_IN_EXPM1 and BUILT_IN_LOG1P.
95 2006-10-25 Bob Wilson <bob.wilson@acm.org>
97 * config/xtensa/lib2funcs.S: Use C-style comments.
99 2006-10-24 Nathan Froyd <froydnj@codesourcery.com>
101 * dwarf2out.c (gen_compile_unit_die): Use IS_ABSOLUTE_PATH.
102 (file_table_relative_p): Likewise.
103 (dwarf2out_finish): Likewise.
104 (file_name_acquire): Use DIR_SEPARATOR and DIR_SEPARATOR_2.
106 2006-10-25 Daniel Berlin <dberlin@dberlin.org>
108 * tree-ssa-structalias.c (intra_create_variable_infos):
109 Don't recreate nonlocal_all if it already exists.
111 2006-10-25 Richard Guenther <rguenther@suse.de>
114 * optabs.h (enum optab_index): Remove OTI_lrint.
115 (enum convert_optab_index): Add COI_lrint.
116 (lrint_optab): Adjust.
117 (expand_sfix_optab): Declare.
118 * optabs.c (expand_sfix_optab): New function.
119 (init_optabs): Init lrint_optab as conversion optab.
120 * genopinit.c (lrint_optab): Change to a conversion optab.
121 * builtins.c (expand_builtin_int_roundingfn_2): Adjust to
122 expansion via conversion optab.
123 * config/i386/i386.md (*fistdi2_1): Remove
124 flag_unsafe_math_optimizations guard.
125 (fistdi2, fistdi2_with_temp, *fist<mode>2_1, fist<mode>2,
126 fist<mode>2_with_temp): Likewise.
127 (lrint<mode>2): Split into...
128 (lrintxf<mode>2): ... x87 part
129 (lrint<mode>di2, lrint<mode>si2): ... and SSE parts.
130 * config/i386/sse.md (sse_cvtss2si_2, sse_cvtss2_siq_2,
131 sse2_cvtsd2si_2, sse2_cvtsd2siq_2): New insns for
132 UNSPEC_FIX_NOTRUNC matching non-vector float modes.
133 * doc/md.texi (lrintMN2): Document.
135 2006-10-25 Uros Bizjak <uros@kss-loka.si>
138 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>"):
139 Use inc and dec instructions for TARGET_USE_INCDEC.
140 ("*sync_compare_and_swap<mode>"): Fix -masm=intel template.
141 ("sync_double_compare_and_swap<mode>"): Likewise.
142 ("*sync_double_compare_and_swapdi_pic"): Likewise.
143 ("*sync_compare_and_swap_cc<mode>"): Likewise.
144 ("sync_double_compare_and_swap_cc<mode>"): Likewise.
145 ("*sync_double_compare_and_swap_ccdi_pic"): Likewise.
146 ("sync_old_add<mode>"): Likewise.
147 ("sync_lock_test_and_set<mode>"): Likewise.
148 ("sync_lock_test_and_set<mode>"): Likewise.
149 ("sync_add<mode>"): Likewise.
150 ("sync_sub<mode>"): Likewise.
151 ("sync_ior<mode>"): Likewise.
152 ("sync_and<mode>"): Likewise.
153 ("sync_xor<mode>"): Likewise.
155 2006-10-25 Uros Bizjak <uros@kss-loka.si>
157 * optabs.h (enum optab_index): Rename OTI_drem to OTI_remainder.
158 (remainder_optab): Define corresponding macro.
159 (drem_optab): Remove.
160 * optabs.c (init_optabs): Initialize remainder_optab. Remove
161 drem_optab initialization.
162 * genopinit.c (optabs): Implement remainder_optab using
163 remainder?f3 patterns. Remove drem_optab.
164 * builtins.c (expand_builtin_mathfn_2): Handle
165 BUILT_IN_REMAINDER{,F,L} using remainder_optab.
166 (expand_builtin): Expand BUILT_IN_REMAINDER{,F,L} using
167 expand_builtin_mathfn_2.
169 (expand_builtin) [BUILT_IN_FMOD, BUILT_IN_DREM]: Do not
170 depend on flag_unsafe_math_optimizations.
172 * config/i386/i386.md ("remaindersf3", "remainderdf3")
173 ("remainderxf3"): Renamed from "drem{s,d,x}f3" expanders.
174 Do not depend on flag_unsafe_math_optimizations. Use
175 truncxf?f expander instead of truncxf?f_i387_noop.
177 ("fpremxf4", "fprem1xf4"): Do not depend on
178 flag_unsafe_math_optimizations.
179 ("fmodsf3", "fmoddf3", "fmodxf3"): Do not depend on
180 flag_unsafe_math_optimizations. Use truncxf?f expander
181 instead of truncxf?f_i387_noop.
183 * doc/md.texi (fmod, remainder): Document standard named pattern.
185 2006-10-24 Richard Sandiford <richard@codesourcery.com>
186 David Daney <ddaney@avtrex.com>
189 * rtlanal.c (nonzero_address_p): Remove check for values wrapping.
191 2006-10-25 Ben Elliston <bje@au.ibm.com>
193 * doc/extend.texi (Variable Attributes): Typo fix.
195 2006-10-24 Uros Bizjak <uros@kss-loka.si>
197 * config/i386/i386.h (FIRST_PSEUDO_REGISTER): Define to 54.
198 (FIXED_REGISTERS, CALL_USED_REGISTERS): Add fpcr register.
199 (REG_ALLOC_ORDER): Add one element to allocate fpcr register.
200 (FRAME_POINTER_REGNUM): Update register number to 21.
201 (REG_CLASS_CONTENTS): Update contents for added fpcr register.
202 (HI_REGISTER_NAMES): Add "fpcr" for fpcr register.
204 * config/i386/i386.c (regclass_map): Add fpcr entry.
205 (dbx_register_map, dbx64_register_map, svr4_dbx_register_map):
207 (print_reg): Assert REGNO (x) != FPCR_REG.
209 * config/i386/i386.md (FPCR_REG, R11_REG): New constants.
210 (DIRFLAG_REG): Renumber.
211 (x86_fnstcw_1, x86_fldcw_1): Use FPCR_REG instead of FPSR_REG.
212 (*sibcall_1_rex64_v, *sibcall_value_1_rex64_v): Use R11_REG.
213 (sse_prologue_save, *sse_prologue_save_insn): Renumber
214 hardcoded SSE register numbers.
216 * config/i386/mmx.md (mmx_emms, mmx_femms): Renumber
217 hardcoded MMX register numbers.
219 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
222 * builtins.c (fold_builtin_sin, fold_builtin_atan): Remove.
223 (do_mpfr_arg1): Add `min', `max' and `inclusive' arguments.
225 (BUILT_IN_SIN, BUILT_IN_ATAN): Handle in main switch.
226 (BUILT_IN_ASIN, BUILT_IN_ACOS, BUILT_IN_ATAN, BUILT_IN_ASINH,
227 BUILT_IN_ACOSH, BUILT_IN_ATANH, BUILT_IN_SINH, BUILT_IN_COSH,
228 BUILT_IN_TANH): Calculate compile-time arguments using MPFR.
230 2006-10-24 Richard Guenther <rguenther@suse.de>
233 * builtins.c (fold_builtin_classify): Use HONOR_INFINITIES
234 and HONOR_NANS instead of MODE_HAS_INFINITIES and MODE_HAS_NANS
235 for deciding optimizations in consistency with fold-const.c
236 (fold_builtin_unordered_cmp): Likewise.
238 2006-10-24 Richard Guenther <rguenther@suse.de>
240 * builtins.c (fold_builtin_floor): Fold floor (x) where
241 x is nonnegative to trunc (x).
242 (fold_builtin_int_roundingfn): Fold lfloor (x) where x is
243 nonnegative to FIX_TRUNC_EXPR.
245 2006-10-24 Richard Guenther <rguenther@suse.de>
247 PR tree-optimization/29567
248 * tree-vrp.c (register_edge_assert_for_1): Fix wrong logic
249 for TRUTH_NOT_EXPR. Clarify comments.
251 2006-10-24 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
254 * builtins.c (fold_builtin_exponent): Evaluate constant arguments
255 at compile-time using MPFR. Change parameter VALUE to FUNC,
257 (do_mpfr_arg1): Rename `exact' to `inexact'. Carefully check
258 for overflow and underflow at all times and avoid folding in
261 2006-10-24 Ben Elliston <bje@au.ibm.com>
263 * reload1.c: Formatting fixes.
265 2006-10-23 Zdenek Dvorak <dvorakz@suse.cz>
267 PR tree-optimization/14784
268 * tree-flow.h (struct var_ann_d): Add is_heapvar bit.
269 * tree-ssa-structalias.c (get_constraint_for,
270 intra_create_variable_infos): Set is_heapvar.
271 * tree-ssa-operands.c (access_can_touch_variable): Do not handle
272 non-heapvar pointer variables specially.
274 2006-10-23 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
277 * builtins.c (fold_builtin_sin, fold_builtin_cos,
278 fold_builtin_tan): Fold all constant arguments. Take a "type"
279 argument as necessary.
281 * real.c, real.h (real_from_mpfr, mpfr_from_real): New.
283 2006-10-23 Bob Wilson <bob.wilson@acm.org>
285 * config/xtensa/lib1funcs.asm: Use C-style comments.
287 2006-10-23 Rafael Avila de Espindola <rafael.espindola@gmail.com>
289 * tree.c (local_define_builtin): Replace calls to
290 lang_hooks.builtin_function with add_builtin_function.
291 * c-objc-common.h (LANG_HOOKS_BUILTIN_FUNCTION): Define as
293 * c-tree.h (builtin_function): Rename to c_builtin_function. Change
295 * c-decl.c (builtin_function): Rename to c_builtin_function. Move
296 common code to add_builtin_function.
297 * langhooks.c (add_builtin_function): New function.
298 (lhd_builtin_function): New function.
299 * langhooks.h (struct lang_hooks): Change the signature of
301 (add_builtin_function): New function.
302 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Replace
303 calls to lang_hooks.builtin_function with add_builtin_function.
304 * c-common.c (decl_builtin_1): Replace calls to
305 lang_hooks.builtin_function with add_builtin_function.
306 * config/alpha/alpha.c (alpha_init_builtins): Replace calls to
307 lang_hooks.builtin_function with add_builtin_function.
308 * config/frv/frv.c (def_builtin): Replace calls to
309 lang_hooks.builtin_function with add_builtin_function.
310 * config/s390/s390.c (s390_init_builtins): Replace calls to
311 lang_hooks.builtin_function with add_builtin_function.
312 * config/sparc/sparc.c (def_builtin): Replace calls to
313 lang_hooks.builtin_function with add_builtin_function.
314 * config/i386/i386.c (def_builtin): Replace calls to
315 lang_hooks.builtin_function with add_builtin_function.
316 * config/sh/sh.c (sh_media_init_builtins): Replace calls to
317 lang_hooks.builtin_function with add_builtin_function.
318 * config/c4x/c4x.c (c4x_init_builtins): Replace calls to
319 lang_hooks.builtin_function with add_builtin_function.
320 * config/stormy16/stormy16.c (xstormy16_init_builtins):
321 Replace calls to lang_hooks.builtin_function with
322 add_builtin_function.
323 * config/iq2000/iq2000.c (def_builtin):
324 Replace calls to lang_hooks.builtin_function with
325 add_builtin_function.
326 * config/ia64/ia64.c (def_builtin): Replace calls to
327 lang_hooks.builtin_function with add_builtin_function.
328 * config/rs6000/rs6000.c (def_builtin): Replace calls to
329 lang_hooks.builtin_function with add_builtin_function.
330 (altivec_init_builtins): Replace calls to
331 lang_hooks.builtin_function with add_builtin_function.
332 * config/arm/arm.c (def_mbuiltin): Replace calls to
333 lang_hooks.builtin_function with add_builtin_function.
334 (arm_init_tls_builtins): Replace calls to
335 lang_hooks.builtin_function with add_builtin_function.
336 * config/mips/mips.c (mips_init_builtins): Replace calls to
337 lang_hooks.builtin_function with add_builtin_function.
338 * config/bfin/bfin.c (def_builtin): Replace calls to
339 lang_hooks.builtin_function with add_builtin_function.
340 * langhooks-def.h (lhd_builtin_function): New function.
341 (LANG_HOOKS_BUILTIN_FUNCTION): Define as lhd_builtin_function.
343 2006-10-23 Jakub Jelinek <jakub@redhat.com>
345 * builtins.c (expand_builtin, maybe_emit_chk_warning): Handle
346 BUILT_IN_STRNCAT_CHK.
348 2006-10-23 Jan Hubicka <jh@suse.cz>
350 * builtins.c (expand_builtin_memmove): Remove ORIG_EXP argument;
351 don't do conversion from memmove to memcpy here.
352 (expand_builtin_bcopy, expand_builtin): Update call of
353 expand_builtin_memmove.
354 (fold_builtin_memory_op): Do folding of memmove to memcpy here.
356 2006-10-23 Paul Brook <paul@codesourcery.com>
358 * stor-layout.c (start_record_layout): maximum_field_alignment
359 overrides STRUCTURE_SIZE_BOUNDARY.
361 2006-10-23 Ulrich Weigand <uweigand@de.ibm.com>
363 * config/s390/predicates.md ("bras_sym_operand"): Do not accept
364 nonlocal function symbols if flag_pic.
366 2006-10-23 Richard Guenther <rguenther@suse.de>
370 * builtins.c (fold_binary): Remove checks for flag_wrapv
371 and flag_trapv where negate_expr_p covers these cases.
373 2006-10-23 Richard Guenther <rguenther@suse.de>
376 * fold-const.c (fold_plusminus_mult_expr): Check exact power
377 of two on the absolute value.
378 (fold_binary): Fold x * -C to -x * C if x is easily negatable
379 and negating -C does not overflow.
381 2006-10-23 Richard Guenther <rguenther@suse.de>
384 * convert.c (convert_to_real): Fold (float)-x to -(float)x
385 only if not flag_rounding_math.
387 2006-10-22 Richard Sandiford <richard@codesourcery.com>
388 Kaz Kojima <kkojima@gcc.gnu.org>
391 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
392 SImode memory reference for the source of a movua.
393 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
394 (movua): Use an unspec instead of sign_extract. Expect the source
395 to have mode BLKmode.
396 (extv, insv): Use a BLKmode rather than SImode memory reference
397 for the source of a movua.
399 2006-10-22 Jeff Law <law@redhat.com>
400 Richard Guenther <rguenther@suse.de>
402 PR tree-optimization/15911
403 * tree-vrp.c (extract_code_and_val_from_cond): New function.
404 (register_edge_assert_for_1): Likewise.
405 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
406 (find_conditional_asserts): Adjust for new function signature.
407 (find_assert_locations): Likewise.
409 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
411 * config/i386/tmmintrin.h: Remove the duplicated content.
413 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
415 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
416 (x86_64-*-*): Likewise.
418 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
419 (override_options): Check SSSE3.
420 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
421 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
422 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
423 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
424 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
425 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
426 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
427 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
428 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
429 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
430 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
431 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
432 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
433 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
434 IX86_BUILTIN_PABSD128.
435 (bdesc_2arg): Add SSSE3.
436 (bdesc_1arg): Likewise.
437 (ix86_init_mmx_sse_builtins): Support SSSE3.
438 (ix86_expand_builtin): Likewise.
439 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
441 * config/i386/i386.md (UNSPEC_PSHUFB): New.
442 (UNSPEC_PSIGN): Likewise.
443 (UNSPEC_PALIGNR): Likewise.
444 Include mmx.md before sse.md.
446 * config/i386/i386.opt: Add -mssse3.
448 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
449 (ssse3_phaddwv4hi3): Likewise.
450 (ssse3_phadddv4si3): Likewise.
451 (ssse3_phadddv2si3): Likewise.
452 (ssse3_phaddswv8hi3): Likewise.
453 (ssse3_phaddswv4hi3): Likewise.
454 (ssse3_phsubwv8hi3): Likewise.
455 (ssse3_phsubwv4hi3): Likewise.
456 (ssse3_phsubdv4si3): Likewise.
457 (ssse3_phsubdv2si3): Likewise.
458 (ssse3_phsubswv8hi3): Likewise.
459 (ssse3_phsubswv4hi3): Likewise.
460 (ssse3_pmaddubswv8hi3): Likewise.
461 (ssse3_pmaddubswv4hi3): Likewise.
462 (ssse3_pmulhrswv8hi3): Likewise.
463 (ssse3_pmulhrswv4hi3): Likewise.
464 (ssse3_pshufbv16qi3): Likewise.
465 (ssse3_pshufbv8qi3): Likewise.
466 (ssse3_psign<mode>3): Likewise.
467 (ssse3_psign<mode>3): Likewise.
468 (ssse3_palignrti): Likewise.
469 (ssse3_palignrdi): Likewise.
470 (abs<mode>2): Likewise.
471 (abs<mode>2): Likewise.
473 * config/i386/tmmintrin.h: New file.
475 * doc/extend.texi: Document SSSE3 built-in functions.
477 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
479 2006-10-22 Ira Rosen <irar@il.ibm.com>
481 * tree-vect-transform.c (vectorizable_load): Use the type of the
482 return value of the mask_for_load builtin to create realign_load
485 2006-10-22 Richard Sandiford <richard@codesourcery.com>
487 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
490 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
492 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
493 (UNSPEC_LDDQU): This.
494 * config/i386/sse.md (sse3_lddqu): Updated.
496 2006-10-21 Richard Guenther <rguenther@suse.de>
498 * builtins.c (expand_builtin_int_roundingfn_2): New function.
499 (expand_builtin): Use it to expand lrint instead of
500 expand_builtin_mathfn.
502 2006-10-21 Uros Bizjak <uros@kss-loka.si>
505 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
506 flag_unsafe_math_optimizations is set.
508 2006-10-21 Uros Bizjak <uros@kss-loka.si>
511 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
512 patterns to use memory input operand in x87->mem->XMM
513 reload sequences. Skip transformation for TARGET_K8.
515 2006-10-21 Uros Bizjak <uros@kss-loka.si>
517 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
518 force operand1 to register if both operands are memory operands.
519 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
520 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
521 if both operands are memory operands.
522 (truncdfsf2): Do not force operand1 to register if both operands
525 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
527 * Makefile.in (LIBS): Add $(GMPLIBS).
528 * doc/install.texi: Update GMP and MPFR requirements.
529 * doc/sourcebuild.texi (need_gmp): Delete.
531 2006-10-21 Richard Guenther <rguenther@suse.de>
533 PR tree-optimization/3511
534 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
535 got new invariant arguments during PHI translation.
537 2006-10-21 Richard Guenther <rguenther@suse.de>
540 * fold-const.c (fold_comparison): Fold signed comparisons
541 of the form X +- C1 CMP Y +- C2.
543 2006-10-21 Richard Guenther <rguenther@suse.de>
546 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
547 if flag_unsafe_math_optimizations is specified. We have
548 flag_finite_math_only for that.
549 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
550 or flag_unsafe_math_optimizations.
552 2006-10-21 Richard Guenther <rguenther@suse.de>
554 * builtins.c (fold_builtin_classify): Fix typo.
556 2006-10-21 Richard Guenther <rguenther@suse.de>
559 * simplify-rtx.c (simplify_const_relational_operation):
560 Do not constant-fold ORDERED and UNORDERED for
561 flag_unsafe_math_optimizations but only we do not need to
562 honor NaNs for the given mode.
564 2006-10-21 Richard Guenther <rguenther@suse.de>
567 * config/i386/i386.c (classify_argument): Remove redundant
568 walking of the BINFOs.
569 (contains_128bit_aligned_vector_p): Likewise.
571 2006-10-20 Mark Mitchell <mark@codesourcery.com>
573 * BASE-VER: Set to 4.3.0.
575 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
577 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
578 (tree_decl_with_vis): Remove artificial_pta_var flag.
579 * tree-flow.h (referenced_var_check_and_insert): Expose.
580 (nonlocal_all): New prototype.
581 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
582 (nonlocal_all): Make global.
583 (nonlocal_lookup): Remove.
584 (nonlocal_insert): Ditto.
585 (create_nonlocal_var): Do not call nonlocal_insert.
586 (get_nonlocal_id_for_type): Remove.
587 (find_global_initializers): Mark new vars we find for renaming.
588 (intra_create_variable_infos): Only create one nonlocal.
589 (expand_nonlocal_solutions): Remove.
590 (compute_points_to_sets): Don't call it.
591 (ipa_pta_execute): Ditto.
592 (init_alias_heapvars): Don't create nonlocal_for_type.
593 (delete_alias_heapvars): Don't remove it.
594 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
597 2006-10-19 Brooks Moses <bmoses@stanford.edu>
599 * doc/install.texi (Downloading GCC): Clarify mention of
600 Fortran in the "full distribution" description.
602 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
604 Fix PR tree-optimization/28778
605 Fix PR tree-optimization/29156
606 Fix PR tree-optimization/29415
607 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
608 (tree_decl_with_vis): Add artificial_pta_var flag.
609 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
611 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
612 (nonlocal_all): Ditto.
613 (struct variable_info): Add directly_dereferenced member.
614 (var_escaped_vars): New variable.
615 (escaped_vars_tree): Ditto.
616 (escaped_vars_id): Ditto.
617 (nonlocal_vars_id): Ditto.
618 (new_var_info): Set directly_dereferenced.
619 (graph_size): New variable
620 (build_constraint_graph): Use graph_size.
621 (solve_graph): Don't process constraints that cannot change the
622 solution, don't try to propagate an empty solution to our
624 (process_constraint): Set directly_dereferenced.
625 (could_have_pointers): New function.
626 (get_constraint_for_component_ref): Don't process STRING_CST.
627 (nonlocal_lookup): New function.
628 (nonlocal_insert): Ditto.
629 (create_nonlocal_var): Ditto.
630 (get_nonlocal_id_for_type): Ditto.
631 (get_constraint_for): Allow results vector to be empty in the case
633 Handle results of calls properly.
634 (update_alias_info): Update alias info stats on number and type of
636 (find_func_aliases): Use could_have_pointers.
637 (make_constraint_from_escaped): Renamed from
638 make_constraint_to_anything, and changed to make constraints from
640 (make_constraint_to_escaped): New function.
641 (find_global_initializers): Ditto.
642 (create_variable_info_for): Make constraint from escaped to any
643 global variable, and from any global variable to the set of
645 (intra_create_variable_infos): Deal with escaped instead of
646 pointing to anything.
647 (set_uids_in_ptset): Do type pruning on directly dereferenced
649 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
650 (init_base_vars): Fix comment, and initialize escaped_vars.
651 (need_to_solve): Removed.
652 (find_escape_constraints): New function.
653 (expand_nonlocal_solutions): Ditto.
654 (compute_points_to_sets): Call find_escape_constraints and
655 expand_nonlocal_solutions.
656 (delete_points_to_sets): Don't fall off the end of the graph.
657 (init_alias_heapvars): Initialize nonlocal_for_type and
659 (delete_alias_heapvars): Free nonlocal_for_type and null out
662 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
664 * fold-const.c (add_double): Rename to add_double_with_sign.
665 Add 'unsigned_p' parameter and take it into account for the overflow.
666 (mul_double): Rename to mul_double_with_sign.
667 Add 'unsigned_p' parameter and take it into account for the overflow.
668 (fold_div_compare): Call add_double_with_sign instead of add_double
669 and mul_double_with_sign instead of mul_double, passing them the
670 unsignedness of the type.
671 * tree.h (add_double): Macroize.
672 (add_double_with_sign): New prototype.
673 (mul_double): Macroize.
674 (mul_double_with_sign): New prototype.
676 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
678 * config/score/crti.asm: New file.
679 * config/score/crtn.asm: New file.
680 * config/score/elf.h: New file.
681 * config/score/mac.md: New file.
682 * config/score/misc.md: New file.
683 * config/score/mul-div.S: New file.
684 * config/score/predicates.md: New file.
685 * config/score/score7.md: New file.
686 * config/score/score.c: New file.
687 * config/score/score-conv.h: New file.
688 * config/score/score.h: New file.
689 * config/score/score.md: New file.
690 * config/score/score-mdaux.c: New file.
691 * config/score/score-mdaux.h: New file.
692 * config/score/score-modes.def: New file.
693 * config/score/score.opt: New file.
694 * config/score/score-protos.h: New file.
695 * config/score/score-version.h: New file.
696 * config/score/t-score-elf: New file.
697 * config.gcc: Add score*-*-* configurations(Update before).
698 * doc/invoke.texi (Score Options): New section.
699 * doc/md.texi (Score family): New section to document constraints.
701 2006-10-19 Nick Clifton <nickc@redhat.com>
703 * config/arm/arm.c: Fix spelling typo.
705 2006-10-18 Tom Tromey <tromey@redhat.com>
707 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
709 2006-10-18 Jan Hubicka <jh@suse.cz>
712 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
715 2006-10-18 Marcin Dalecki <martin@dalecki.de>
717 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
718 TSI_SAME_STMT, since that's the desired entity.
720 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
722 * config/s390/contraints.md: New file.
723 * config/s390/s390-protos.h (s390_mem_constraint,
724 s390_O_constraint_str, s390_N_constraint_str,
725 s390_float_const_zero_p): Function prototypes added.
726 * config/s390/s390.c (s390_extra_constraint_str,
727 s390_const_double_ok_for_constraint_p,
728 s390_const_ok_for_constraint_p): Functions removed.
729 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
730 s390_float_const_zero_p): New functions.
731 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
732 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
733 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
734 Macro definitions removed.
735 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
736 s390_extra_constraint_str): Functions removed.
738 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
739 Richard Sandiford <richard@codesourcery.com>
742 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
743 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
745 2006-10-16 Geoffrey Keating <geoffk@apple.com>
747 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
748 (DWARF2_FRAME_REG_OUT): Likewise.
749 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
750 (DWARF2_FRAME_REG_OUT): Likewise.
752 2006-10-17 Paul Brook <paul@codesourcery.com>
754 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
756 2006-10-16 Brooks Moses <bmoses@stanford.edu>
758 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
759 Standardize on "GNU Fortran" as the official name of the Fortran
762 2006-10-16 Mike Stump <mrs@apple.com>
764 * doc/invoke.texi (Darwin Options): Document -mkernel.
765 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
767 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
768 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
769 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
770 (OS_MISSING_ALTIVEC): Add.
771 * config/i386/i386.c (override_options): Add
772 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
773 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
774 -mkernel, -static or -mdynamic-no-pic is given.
775 (C_COMMON_OVERRIDE_OPTIONS): Add.
776 * config/darwin.opt (fapple-kext): Add.
778 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
779 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
781 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
782 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
783 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
784 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
785 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
787 (flag_apple_kext): Add.
788 (TARGET_KEXTABI): Add.
789 * config/darwin.c (darwin_handle_kext_attribute): Add.
790 (DARWIN_VTABLE_P): Add.
791 (darwin_binds_local_p): Add partial support for rebinding vtables
793 (darwin_kextabi_p): Add.
794 (darwin_override_options): Add.
795 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
796 (darwin_kextabi_p): Add.
797 (darwin_override_options): Add.
798 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
799 __DYNAMIC__ and __STATIC__ here.
801 2006-10-16 Brooks Moses <bmoses@stanford.edu>
803 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
804 Added mention of "make pdf" target, and Texinfo requirements for
807 2006-10-16 DJ Delorie <dj@redhat.com>
809 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
810 into the GOT in case we need a subreg of the address.
812 2006-10-16 Richard Guenther <rguenther@suse.de>
815 * doc/extend.texi (X86 Built-in Functions): Fix typos in
816 SSE builtin documentation. Document SSE2 builtins.
818 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
820 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
821 symbol in the output file for non-shared links when -nostdlib or
822 -nodefaultlibs isn't specified.
824 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
825 posix thread support.
827 2006-10-15 Jan Hubicka <jh@suse.cz>
830 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
831 declared always_inline even when not inlining.
833 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
834 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
835 Andrew Pinski <pinskia@gmail.com>
838 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
840 2006-10-15 Jan Hubicka <jh@suse.cz>
841 Richard Guenther <rguenther@suse.de>
844 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
845 process_function_and_variable_attributes on all variables, including
846 those discovered during cgraph construction phase.
848 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
850 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
852 2006-10-14 Uros Bizjak <uros@kss-loka.si>
854 * config/i386/athlon.md (athlon_fist): Add fisttp.
856 2006-10-13 David Edelsohn <edelsohn@gnu.org>
857 Ian Lance Taylor <ian@airs.com>
860 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
861 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
864 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
866 * config/score/score.c, config/score/score.h: Fix comment
869 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
872 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
875 2006-10-13 Eric Christopher <echristo@apple.com>
877 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
879 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
882 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
883 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
884 alignment supported by 32-bit ELF.
886 2006-10-13 Eric Christopher <echristo@apple.com>
888 * config/darwin.c (darwin_emit_unwind_label): Strip
889 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
891 2006-10-13 Richard Guenther <rguenther@suse.de>
893 PR tree-optimization/29446
894 * tree-vrp.c (fix_equivalence_set): Remove.
895 (extract_range_from_assert): Do not call fix_equivalence_set.
896 (debug_value_range): Print a newline.
897 (compare_name_with_value): For equivalence sets with
898 inconsistent value ranges conservatively bail out.
899 (compare_names): Likewise.
901 2006-10-13 David Edelsohn <edelsohn@gnu.org>
903 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
904 and MPFR for gfortran.
906 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
908 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
909 alignment supported by 32-bit ELF.
911 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
915 * c-typeck.c (digest_init): Always allow initializing vectors
916 that have static storage duration with compound literals.
917 * tree.c (build_type_attribute_qual_variant): New, based on
918 build_type_attribute_variant.
919 (build_type_attribute_variant): Rewrite using the former.
920 (make_vector_type): Use build_type_attribute_qual_variant to build
921 type variants. Use type_hash_canon on the others.
923 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
924 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
926 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
928 2006-10-12 Jan Hubicka <jh@suse.cz>
931 * c-decl.c (c_make_fname_decl): Do not segfault in case where
932 current_function_decl is set but current_function_scope is not.
934 2006-10-12 Jie Zhang <jie.zhang@analog.com>
936 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
937 emit_insn to emit eh_return_internal instruction.
938 (eh_return_internal): Explicitly set pc.
940 2006-10-11 Richard Guenther <rguenther@suse.de>
942 PR tree-optimization/28230
943 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
944 to the correct place.
946 2006-10-11 Richard Guenther <rguenther@suse.de>
949 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
952 2006-10-10 Brooks Moses <bmoses@stanford.edu>
954 * configure.ac: Added pdf to "Make-hooks"
955 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
956 targets and *.pdf file patterns in cleanup targets.
957 * configure: Regenerated.
959 2006-10-10 Anatoly Sokolov <aesok@post.ru>
961 * config/avr/predicates.md: New file.
962 * config/avr/avr.md: Include it.
963 (REG_SP): New constant.
964 (peepholes): Use predicates.
965 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
966 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
967 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
969 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
971 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
974 2006-10-10 Jakub Jelinek <jakub@redhat.com>
977 * builtins.c (var_decl_component_p): New function.
978 (fold_builtin_memset, fold_builtin_memory_op): Restrict
979 single entry optimization to variables and components thereof.
981 2006-10-10 Richard Guenther <rguenther@suse.de>
983 PR rtl-optimization/29323
984 * except.c (set_nothrow_function_flags): For functions
985 that do not bind local bail out early.
987 2006-10-10 Ben Elliston <bje@au.ibm.com>
989 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
992 2006-10-09 Richard Henderson <rth@redhat.com>
996 2006-10-09 Richard Guenther <rguenther@suse.de>
999 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
1002 2006-10-09 Steve Ellcey <sje@cup.hp.com>
1005 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
1006 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
1007 * configure: Regenerate.
1008 * config.in: Regenerate.
1010 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
1012 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
1014 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1016 * config/mips/mips.c (mips_legitimize_tls_address): Implement
1017 all TLS models in the same way as local exec if !TARGET_ABICALLS.
1018 Remove stray newline.
1020 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1022 * config/mips/mips.c (mips_classify_symbol): Do not return
1023 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
1024 (mips_in_small_data_p): Tweak comments.
1026 2006-10-08 Richard Sandiford <richard@codesourcery.com>
1028 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
1030 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
1032 * gimplify.c, sched-int.h: Fix comment typos.
1034 * sched-int.h: Fix comment typos.
1036 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1038 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
1040 * sched-ebb.c (begin_schedule_ready): Use them.
1041 * haifa-sched.c (schedule_insn, move_insn, try_ready,
1042 add_to_speculative_block, create_check_block_twin, speculate_insn,
1043 fix_jump_move, move_block_after_check): Ditto.
1044 * sched-rgn.c (new_ready): Ditto.
1046 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1048 PR rtl-optimization/29128
1049 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
1050 * sched-ebb.c (advance_target_bb): Use it to fix condition to
1051 allow interblock movement of speculation checks.
1053 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
1056 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
1057 casted to integer type.
1058 (get_address_cost): Decrease cost of [symbol + index] addressing modes
1059 if they are significantly more expensive than [reg + index] ones.
1061 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1063 PR tree-optimization/29330
1064 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
1065 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
1066 on newly allocated ddrs.
1067 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
1068 to VEC (loop_p, heap) pointer.
1069 (compute_data_dependences_for_loop): Adjust caller.
1070 (free_dependence_relations): Free DDR_LOOP_NEST.
1072 * tree-loop-linear.c (linear_transform_loops): Don't forget to
1073 free DEPENDENCE_RELATIONS and DATAREFS.
1076 * builtins.c (expand_builtin_sync_operation,
1077 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
1078 Use convert_to_mode to handle promoted arguments.
1080 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1082 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
1084 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
1086 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
1088 2006-10-05 Uros Bizjak <uros@kss-loka.si>
1090 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
1091 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
1092 Use <modeconstraint> instead of "r" as operand 1 constraint.
1094 2006-10-06 Olivier Hainque <hainque@adacore.com>
1096 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
1097 Don't recurse on the pointed-to type.
1098 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
1099 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
1100 types with components of variable size.
1102 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
1104 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
1106 2006-10-06 Jakub Jelinek <jakub@redhat.com>
1108 PR tree-optimization/29290
1109 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
1113 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
1114 * config/i386/predicates.md (local_symbolic_operand): Likewise.
1117 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
1118 the number of vector elements fill the rest with zeros.
1120 2006-10-05 Richard Sandiford <richard@codesourcery.com>
1122 * config/mips/mips.c (mips_pass_by_reference): Do not return false
1123 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
1126 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
1128 * config/bfin/bfin.md (subsi3): Lose expander, change previously
1129 unnamed pattern into subsi3. Use correct constraints/predicates.
1130 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
1131 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
1133 2006-10-05 Ira Rosen <irar@il.ibm.com>
1135 * doc/loop.texi: Add data references analysis description.
1137 2006-10-04 Brooks Moses <bmoses@stanford.edu>
1139 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
1141 2006-10-04 Richard Henderson <rth@redhat.com>
1142 Jakub Jelinek <jakub@redhat.com>
1144 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
1145 * builtin-types.def (BT_WORD): Make unsigned.
1146 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
1147 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
1148 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
1149 * c-decl.c (grokdeclarator): Don't error if !have_tls.
1150 * c-parser.c (c_parser_omp_threadprivate): Likewise.
1151 * cgraph.c (decide_is_variable_needed): Look at force_output.
1152 Recurse for emulated tls.
1153 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
1154 checks redundant with decide_is_variable_needed.
1155 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
1156 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
1158 * expr.c (emutls_var_address): New.
1159 (expand_expr_real_1): Expand emulated tls.
1160 (expand_expr_addr_expr_1): Likewise.
1161 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
1162 * output.h (emutls_finish): Declare.
1163 * toplev.c (compile_file): Call it.
1164 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
1165 address before wrapping in CONST.
1166 * varasm.c (emutls_htab, emutls_object_type): New.
1167 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
1168 (get_emutls_object_name, get_emutls_object_type): New.
1169 (get_emutls_init_templ_addr, emutls_decl): New.
1170 (emutls_common_1, emutls_finish): New.
1171 (assemble_variable): When emulating tls, swap decls; generate
1172 constructor for the emutls objects.
1173 (do_assemble_alias): When emulating tls, swap decl and target name.
1174 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
1176 * emutls.c: New file.
1177 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
1178 tls_object for real tls.
1180 2006-10-04 Zack Weinberg <zackw@panix.com>
1182 Fix bug in constraint-check generator, reported by Rask Ingemann
1184 * genpreds.c (add_constraint): Don't remove anything from the
1186 (write_tm_constrs_h): Detect whether "op" argument is used, and
1187 mark it ARG_UNUSED if it isn't.
1188 (write_insn_const_int_ok_for_constraint): Skip the part of the
1189 expression that would test whether "op" (which is not available
1190 here) is a CONST_INT.
1192 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
1195 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
1197 2006-10-03 Geoffrey Keating <geoffk@apple.com>
1199 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
1200 current Leopard versions.
1201 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
1203 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
1205 * doc/install.texi: Fix typos.
1207 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
1209 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
1210 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
1211 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
1213 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
1215 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
1216 arg to be struct mach_header_64* instead.
1218 2006-10-02 Jakub Jelinek <jakub@redhat.com>
1221 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
1222 side effects after the outer expression's post side effects.
1224 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
1226 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
1227 comments to reflect actual behavior and relationship between
1228 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
1230 * doc/c-tree.texi (Working with declarations): Fix documentation
1231 of FIELD_DECL likewise.
1233 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
1236 * doc/extend.texi: Add used variable attribute description.
1238 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
1241 * c.opt (Woverride-init): New.
1242 * c-opts.c (c_common_post_options): Default warn_override_init to
1244 * c-typeck.c (add_pending_init, output_init_element): Warn for
1245 overriding initializers without side effects.
1246 * doc/invoke.texi (-Woverride-init): Document.
1249 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
1251 PR rtl-optimization/28096
1252 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
1253 assignment has already been used as a destination earlier in the block.
1255 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
1257 * builtins.c (expand_builtin_setjmp): Delete.
1258 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
1259 <BUILT_IN_SETJMP_SETUP>: New case.
1260 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
1261 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
1262 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
1263 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
1264 (BUILT_IN_SETJMP_RECEIVER): Likewise.
1265 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
1266 (lower_function_body): Initialize it to false. If it is set to true
1267 at the end of the processing, emit the setjmp dispatcher.
1268 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
1269 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
1270 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
1271 on the rhs of the assignment.
1272 (lower_builtin_setjmp): New function.
1273 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
1274 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
1275 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
1276 to detect calls that can go to non-local labels. Use specific
1277 helper to create the abnormal edges associated with them.
1278 <MODIFY_EXPR>: Likewise.
1279 (make_abnormal_goto_edges): New function extracted from...
1280 (make_goto_expr_edges): ...here. Call it for computed gotos.
1281 (simple_goto_p): Minor tweak.
1282 (tree_can_make_abnormal_goto): New predicate.
1283 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
1284 (tree_purge_dead_abnormal_call_edges): New function.
1285 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
1286 (tree_purge_dead_abnormal_call_edges): Likewise.
1287 (make_abnormal_goto_edges): Likewise.
1288 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
1289 Purge all dead abnormal edges if the call was in the last statement.
1290 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
1291 (execute_fixup_cfg): If there are non-local labels in the function,
1292 scan the basic blocks and split them at calls that can go to non-local
1293 labels or add missing abnormal call edges. Write down the CFG in the
1295 (pass_fixup_cfg): Remove TODO_dump_func flag.
1296 * unwind-sjlj.c: Poison setjmp.
1297 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
1298 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
1299 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
1300 (DONT_USE_BUILTIN_SETJMP): Document it.
1302 2006-09-28 Geoffrey Keating <geoffk@apple.com>
1305 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
1306 to 1 when __ppc64__ is defined.
1307 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
1309 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
1311 2006-09-28 Steve Ellcey <sje@cup.hp.com>
1313 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
1314 * config/ia64/unwind-hpux.c: Delete.
1316 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
1318 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
1319 on the element before gimplifying it, instead of punting if it is of
1322 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
1324 * doc/loop.texi: New file.
1325 * doc/gccint.texi: Reference loop.texi.
1326 * Makefile.in (loop.texi): Add.
1328 2006-09-27 Geoffrey Keating <geoffk@apple.com>
1330 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
1332 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1333 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
1335 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
1337 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
1339 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
1341 * doc/install.texi: Document required versions of GMP and MPFR.
1343 2006-09-27 Paul Brook <paul@codesourcery.com>
1346 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
1348 2006-09-27 Richard Sandiford <richard@codesourcery.com>
1350 * reload1.c (alter_reg): Require the alignment of the stack slot to
1351 be at least reg_max_ref_width bytes.
1352 (scan_paradoxical_subregs): Record the largest width in
1355 2006-09-26 Jakub Jelinek <jakub@redhat.com>
1359 * tree-nested.c (struct nesting_info): Added static_chain_added.
1360 (convert_call_expr): Set static_chain_added when adding static
1361 chain. Handle OMP_PARALLEL and OMP_SECTION.
1363 2006-09-25 Matthias Klose <doko@debian.org>
1365 * doc/invoke.texi: Add missing full stop.
1367 2006-09-25 Richard Henderson <rth@redhat.com>
1369 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
1370 before cgraph_function_flags_ready.
1372 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
1373 Adam Nemet <anemet@caviumnetworks.com>
1375 * tree-ssa-loop-ivopts.c (aff_combination_convert,
1376 determine_common_wider_type): New functions.
1377 (get_computation_aff): Use them to simplify arithmetic between
1378 UBASE and CBASE if they are shortened from the same type.
1380 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
1383 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
1384 -2147483647 - 1 instead of 0x80000000.
1386 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1388 * flags.h (HONOR_NANS): Fix typo in comment.
1390 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1392 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1394 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1398 * tree.c (merge_attributes, attribute_list_contained): If both
1399 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1401 * c-typeck.c (comptypes_internal): Don't consider aggregates
1402 in different TUs as compatible if there one set of attributes is
1403 not a subset of the other type's attributes.
1404 (composite_type): Try harder not to create a new aggregate type.
1406 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1408 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1409 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1410 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1411 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1412 than replicating condition above.
1413 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1415 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1416 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1417 the linker by default.
1419 2006-09-22 Mike Stump <mrs@apple.com>
1421 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1424 2006-09-22 Richard Guenther <rguenther@suse.de>
1427 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1428 sort of stack variables stable.
1430 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1433 * explow.c (force_reg): Set REG_POINTER flag according to
1436 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1438 PR tree-optimization/28888
1439 * tree-if-conv.c (combine_blocks): Rewritten.
1440 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1441 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1443 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1445 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1448 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1450 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1452 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1454 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1456 2006-09-21 Roger Sayle <roger@eyesopen.com>
1459 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1460 dw_fde_current_label, to be the start of the function, i.e. the same
1461 value as dw_fde_begin.
1463 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1465 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1466 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1467 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1468 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1469 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1470 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1471 (abs<mode>2, neg<mode>2): Likewise.
1472 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1473 (*mips_abs_ps): New define_insn.
1475 2006-09-20 Josh Conner <jconner@apple.com>
1478 * calls.c (expand_call): Allow reuse of structure return stack
1481 2006-09-20 Paul Brook <paul@codesourcery.com>
1483 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1486 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1488 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1489 clean up terminology.
1491 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1494 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1495 with tablejumps in them.
1497 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1500 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1501 wrap it into TARGET_EXPR.
1503 2006-09-20 Eric Christopher <echristo@apple.com>
1505 * config/i386/i386.c (x86_fisttp): Remove.
1506 * config/i386/i386.h (x86_fisttp): Ditto.
1507 (TARGET_FISTTP): Ditto.
1509 2006-09-19 Eric Christopher <echristo@apple.com>
1511 * doc/tm.texi (OBJC_JBLEN): Describe.
1512 * config/i386/darwin.h (OBJC_JBLEN): Define.
1513 * config/rs6000/darwin.h: Ditto.
1515 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1517 PR rtl-optimization/21299
1518 * reload1.c (reload): Purge invalid ASMs in the final pass.
1520 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1523 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1524 pointers as legitimate constants.
1526 2006-09-19 Paul Brook <paul@codesourcery.com>
1529 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1531 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1533 PR tree-optimization/28887
1534 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1535 component parts from the reference.
1536 (gather_memory_references_ref): Record the reference without the
1537 nonaddressable component parts.
1539 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1542 * c-opts.c (c_common_handle_option): Ignore the -std options
1543 if the input language is assembly.
1545 2006-09-17 Ira Rosen <irar@il.ibm.com>
1548 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1550 (ptr_ptr_may_alias_p): Likewise.
1551 (record_record_differ_p): New function.
1552 (base_object_differ_p): Call record_record_differ_p.
1554 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1557 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1558 away for the expr argument.
1560 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1563 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1564 before using it for dumping after vectorizing loops.
1566 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1567 Jack Howarth <howarth@bromo.med.uc.edu>
1570 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1571 skip on error_mark_node.
1572 (rs6000_darwin64_record_arg_recurse): Likewise.
1574 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1576 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1577 * doc/rtl.texi: Remove related documentation.
1579 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1581 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1584 2006-09-15 Jim Wilson <wilson@specifix.com>
1586 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1587 Handle symbol offsets same as they are handled in ia64_expand_move
1590 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1592 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1593 Add forgotten parameter to the fprintf call.
1595 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1597 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1599 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1601 * doc/contrib.texi: Add my entry.
1603 2006-09-15 Nick Clifton <nickc@redhat.com>
1605 * doc/md.texi (Processor pipeline description): Fix typo in
1606 example of how to use the absence_set directive and reword the
1607 description to make it slightly easier to read.
1609 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1611 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1612 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1613 expanding the number of iterations.
1614 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1616 * cfgrtl.c (emit_insn_at_entry): New function.
1617 * rtl.h (emit_insn_at_entry): Declare it.
1618 * integrate.c (emit_initial_value_sets): Use it.
1620 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1622 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1624 (struct loop_work and related VEC declarations): Delete.
1625 (bfin_dump_loops): Print out new member bad.
1626 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1627 (bfin_scan_loop): Don't recurse.
1628 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1629 loops. No longer need to update outer loops if the current one is
1630 found bad. Move some validitiy checks to bfin_discover_loop.
1631 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1632 but changed not to check for nesting. Also changed to use the new bad
1634 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1635 time. Use bitmap based test to discover loop nesting.
1637 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1639 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1642 2006-09-14 Richard Guenther <rguenther@suse.de>
1643 Kazu Hirata <kazu@codesourcery.com>
1645 PR middle-end/28884.
1646 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1647 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1648 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1649 with TARGET_FUNCTION_VALUE.
1651 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1654 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1656 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1658 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1661 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1664 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1667 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1669 * basic_block.h (bb_has_eh_pred): Fix comment.
1671 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1673 * flow.c (calculate_global_regs_live): Invalidate eh registers
1674 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1675 (propagate_block): Handle eh registers as if they were set at basic
1677 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1679 * global.c (global_conflicts): Make eh registers to conflict with
1680 pseudos live at basic block begin.
1681 * basic_block.h (bb_has_eh_pred): New function.
1683 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1685 PR rtl-optimization/28982
1686 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1687 index of a PRE_MODIFY or POST_MODIFY address.
1688 * reload1.c (inc_for_reload): Use find_replacement on the original
1689 base and index registers.
1691 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1693 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1694 for -Os. Update __m128 alignment requirement.
1696 2006-09-13 Jan Hubicka <jh@suse.cz>
1698 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1700 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1702 PR rtl-optimization/28243
1703 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1704 the insn to which the note was originally attached.
1706 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1707 Roger Sayle <roger@eyesopen.com>
1709 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1710 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1711 on platforms that don't use dwarf for debug info.
1713 2006-09-12 Jason Merrill <jason@redhat.com>
1716 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1717 hard_frame_pointer_rtx after using it to update the frame pointer.
1719 2006-09-12 Roger Sayle <roger@eyesopen.com>
1721 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1722 (TARGET_ASM_CLOSE_PAREN): Likewise.
1723 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1724 (TARGET_ASM_CLOSE_PAREN): Likewise.
1726 2006-09-12 Roger Sayle <roger@eyesopen.com>
1729 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1730 frame information for frames larger than 512 Kbytes on Tru64 when
1731 using the native assembler.
1733 2006-09-12 Roger Sayle <roger@eyesopen.com>
1737 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1738 and symbols. Instead use the implementation from cse.c's hash_rtx.
1740 2006-09-12 Jan Hubicka <jh@suse.cz>
1742 PR rtl-optimization/28071
1743 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1744 (vect_transform_loop): Likewise.
1745 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1746 (new_loop_vec_info): Likewise.
1747 (destroy_loop_vec_info): Likewise.
1748 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1749 (create_stmt_ann): Likewise.
1750 (create_tree_ann): Rename to ...
1751 (create_tree_common_ann): ... this one; allocate only the common part
1753 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1754 (get_value_handle): Likewise.
1755 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1756 get_tree_common_ann.
1757 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1758 (vinfo_for_stmt): Use stmt annotations.
1759 * tree-flow.h (tree_ann_common_t): New type.
1760 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1761 (tree_ann, get_tree_ann, create_tree_ann): New.
1762 * tree-flow-inline.h (get_function_ann): Do more type checking.
1763 (stmt_ann): Likewise.
1764 (tree_ann): Rename to ...
1765 (tree_common_ann): ... this one; return ony common_ann
1766 (get_tree_ann): Rename to ...
1767 (tree_common_ann): This one; return only common_ann.
1768 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1771 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1773 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1774 with_cpu by default.
1776 * dwarf2out.c (dwarf_file_data): New.
1777 (enum dw_val_class): Add dw_val_class_file.
1778 (struct dw_val_struct): Add val_file.
1779 (file_table): Change to a hash table.
1780 (file_table_emitted): Delete.
1781 (file_table_last_lookup_index): Delete.
1782 (emitcount): Delete.
1783 (last_emitted_file): New.
1784 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1785 (init_file_table): Delete.
1786 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1787 (AT_addr): Add comment.
1791 (print_die): Handle dw_val_class_file.
1792 (print_dwarf_line_table): Update for new file table structure.
1793 (attr_checksum): Do checksum a filename.
1794 (same_dw_val_p, same_attr_p): Do compare a filename.
1795 (size_of_die): Handle dw_val_class_file.
1796 (value_format): Likewise.
1797 (output_die): Likewise. Also, call maybe_emit_file here.
1798 (struct file_info): Constify filenames. Make file_idx a pointer
1799 to a struct dwarf_file_data.
1800 (struct dir_info): Constify directory names. Remove 'used' field.
1801 (struct file_name_acquire_data): New.
1802 (file_name_acquire): New.
1803 (output_file_names): Modify to handle new file data structures.
1804 (add_src_coords_attributes): Use add_AT_file.
1805 (add_call_src_coords_attributes): Likewise.
1806 (dwarf2out_imported_module_or_decl): Likewise.
1807 (gen_subprogram_die): Modify for new file data structures.
1808 (gen_variable_die): Likewise.
1809 (file_table_eq): New.
1810 (file_table_hash): New.
1811 (file_table_last_lookup): New.
1812 (lookup_filename): Rewrite to handle new file data structures.
1813 (maybe_emit_file): Rewrite to handle new file data structures.
1814 (dwarf2out_source_line): Always call lookup_filename and
1816 (dwarf2out_init): Create file_table here.
1817 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1818 (file_table_relative_p): New.
1819 (dwarf2out_finish): Change detection of relative filenames
1820 to work with new file data structures. Move output_line_info call
1821 after debug_info output.
1823 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1828 * config/i386/i386.c (override_options): Always default to 16
1829 byte stack boundary.
1831 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1834 * var-tracking.c (dump_dataflow_set): Start dumping at
1836 (clobber_variable_part): Kill only the variable part in
1837 registers holding it, leaving other variables alone.
1839 2006-09-11 Josh Triplett <josh@freedesktop.org>
1841 * doc/extend.texi (Other Builtins): Actually use the macro
1842 argument in the documentation example for
1843 __builtin_types_compatible_p.
1845 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1847 PR rtl-optimization/28726
1848 * sched-deps.c (sched_analyze_reg): New function extracted from...
1849 (sched_analyze_1): ...here. Call it to analyze references to
1850 registers. Treat again writes to a stack register as writing to the
1852 (sched_analyze_2): ...and here. Call it to analyze references to
1853 registers. Treat again reads of a stack register as reading the
1856 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1857 David Edelsohn <edelsohn@gnu.org>
1860 * config/rs6000/spe.md (frob_df_di): Remove %H.
1861 (frob_di_df): Remove %H. Change evmergelo to mr.
1862 (frob_di_df_2): Remove %H. Change evldd to two loads.
1864 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1866 * doc/cpp.texi: Fix names of charset options.
1868 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1871 * config/i386/i386.c (override_options): Use 128-bit
1872 stack boundary always for 64bits.
1874 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1876 PR rtl-optimization/28636
1877 * combine.c (force_to_mode): Test for side-effects before
1878 substituting by zero.
1879 (simplify_shift_const): Likewise for zero or other constants.
1881 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1884 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1887 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1890 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1891 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1892 returned by mode_for_size, rather than the mode of src itself,
1893 to choose between 32-bit and 64-bit patterns.
1894 (mips_mem_fits_mode_p): New function.
1895 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1896 that the size of the source matches the size of the destination.
1897 (mov_<store>l, mov_<store>r): Likewise.
1899 2006-09-10 Eric Christopher <echristo@apple.com>
1901 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1904 2006-09-09 Eric Christopher <echristo@apple.com>
1907 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1910 2006-09-09 Roger Sayle <roger@eyesopen.com>
1911 Nicolas Setton <setton@adacore.com>
1913 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1915 2006-09-10 Andreas Schwab <schwab@suse.de>
1917 * config/m68k/m68k.md (bungt_rev): New pattern.
1919 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1920 Dale Johannesen <dalej@apple.com>
1923 * regclass.c (struct reg_pref): Update documentation.
1924 (regclass): Set prefclass to NO_REGS if memory is the best option.
1925 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1927 2006-09-08 Eric Christopher <echristo@apple.com>
1929 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1930 * config/t-slibgcc-darwin: Support x86_64 multilib.
1931 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1932 Return 1 for x86_64-darwin.
1933 * config/i386/t-darwin: Add m64 multilib.
1934 (LIB2_SIDITI_CONV_FUNCS): Use.
1935 (LIB2FUNCS_EXTRA): Ditto.
1936 * config/i386/darwin.h: Support x86_64.
1937 * config/i386/i386.c (override_options): Turn on flag_pic
1938 for x86_64-darwin. Disable flag_omit_pointer.
1939 (get_pc_thunk_name): Assert !TARGET_64BIT.
1940 (legitimate_address_p): Disable machopic addressing for
1942 (legitimize_pic_address): Ditto.
1943 (ix86_expand_move): Ditto.
1944 (ix86_expand_call): Ditto.
1945 (machopic_output_stub): Ditto.
1946 * config/darwin.c (machopic_select_section): Support literal16.
1947 (machopic_select_rtx_section): Ditto.
1948 * config/darwin-sections.def: Ditto.
1949 * config/darwin-64.c: New.
1951 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1954 * c-tree.h (struct c_arg_info): Add pending_sizes.
1955 * c-parser.c (c_parser_parms_declarator,
1956 c_parser_parms_list_declarator): Initialize pending_sizes.
1957 * c-decl.c (get_parm_info): Initialize pending_sizes.
1958 (get_parm_info): Set pending_sizes.
1959 (grokdeclarator): Call put_pending_sizes for parameters for
1960 function definition only.
1962 2006-09-07 Jason Merrill <jason@redhat.com>
1965 * varasm.c (output_constant): Only strip actual no-op conversions.
1968 * config/i386/i386.c (override_options): Use 128-bit
1969 stack boundary if -msse.
1971 2006-09-07 Eric Christopher <echristo@apple.com>
1973 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1975 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1978 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1980 * dwarf2out.c: Remove strange characters from comment above
1981 dwarf2out_frame_debug_expr.
1983 2006-09-07 Eric Christopher <echristo@apple.com>
1985 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1986 * config/darwin.h: ... to here.
1988 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1990 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1992 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1993 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1995 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1996 TARGET_PARTIAL_FLAG_REG_STALL.
1997 (*ashldi3_cconly_rex64): Likewise.
1998 (*ashlsi3_cmp): Likewise.
1999 (*ashlsi3_cconly): Likewise.
2000 (*ashlsi3_cmp_zext): Likewise.
2001 (*ashlhi3_cmp): Likewise.
2002 (*ashlhi3_cconly): Likewise.
2003 (*ashlqi3_cmp): Likewise.
2004 (*ashlqi3_cconly): Likewise.
2005 (*ashrdi3_cmp_rex64): Likewise.
2006 (*ashrdi3_cconly_rex64): Likewise.
2007 (*ashrsi3_cmp): Likewise.
2008 (*ashrsi3_cconly): Likewise.
2009 (*ashrsi3_cmp_zext): Likewise.
2010 (*ashrhi3_cmp): Likewise.
2011 (*ashrhi3_cconly): Likewise.
2012 (*ashrqi3_cmp): Likewise.
2013 (*ashrqi3_cconly): Likewise.
2014 (*lshrdi3_cmp_rex64): Likewise.
2015 (*lshrdi3_cconly_rex64): Likewise.
2016 (*lshrsi3_cmp): Likewise.
2017 (*lshrsi3_cconly): Likewise.
2018 (*lshrsi3_cmp_zext): Likewise.
2019 (*lshrhi3_cmp): Likewise.
2020 (*lshrhi3_cconly): Likewise.
2021 (*lshrqi2_cmp): Likewise.
2022 (*lshrqi2_cconly): Likewise.
2024 2006-09-07 Uros Bizjak <uros@kss-loka.si>
2027 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
2028 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
2029 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
2030 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
2031 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
2032 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
2033 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
2034 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
2035 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
2036 implement only CC setting effects of shift instructions.
2038 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
2040 * doc/contrib.texi: Add myself.
2042 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
2045 * stor-layout.c (relayout_decl): Don't zero the alignment if it
2046 was set by the user.
2048 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
2051 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
2052 (divsi_inv_m1): Use them.
2053 (UNSPEC_DIV_INV_TABLE): New constant.
2055 2006-09-06 James E Wilson <wilson@specifix.com>
2058 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
2059 then call count_or_remove_death_notes.
2061 2006-09-06 Jason Merrill <jason@redhat.com>
2064 * tree-inline.c (copy_result_decl_to_var): New fn.
2065 (declare_return_variable): Use it. Call declare_inline_vars here.
2066 (expand_call_inline): Not here.
2068 2006-09-06 Diego Novillo <dnovillo@redhat.com>
2070 * doc/contrib.texi: Update my entry.
2072 2006-09-06 Nick Clifton <nickc@redhat.com>
2074 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
2076 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2079 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
2080 (canonicalize_induction_variables): Likewise.
2081 (tree_unroll_loops_completely): Likewise.
2082 (tree_ssa_prefetch_arrays): Likewise.
2083 (remove_empty_loops): Likewise.
2084 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
2085 TODO_cleanup_cfg instead of directly calling
2086 cleanup_tree_cfg_loop.
2087 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
2089 (tree_unroll_loops_completely): Likewise.
2090 (remove_empty_loops): Likewise.
2091 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
2092 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
2093 of tree_ssa_unswitch_loops.
2094 (tree_ssa_loop_ivcanon): Use the return value of
2095 canonicalize_induction_variables.
2096 (tree_ssa_empty_loop): Use the return value of
2098 (tree_complete_unroll): Use the return value of
2099 tree_unroll_loops_completely.
2100 (tree_ssa_loop_prefetch): Use the return value of
2101 tree_ssa_prefetch_arrays.
2102 * passes.c (execute_todo): Before Cleanup CFG, set
2103 updating_used_alone and after cleanup CFG, call
2104 recalculate_used_alone.
2106 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
2109 * tree-vect-transform.c (vectorizable_condition): Move the check
2110 for the type after the check for simple condition.
2112 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
2113 Kaz Kojima <kkojima@gcc.gnu.org>
2116 * mode-switching.c (optimize_mode_switching): Make the destination
2117 block of an abnormal edge have no anticipatable mode. Don't
2118 insert mode switching code at the end of the source block of
2121 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
2123 PR rtl-optimization/26847
2124 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
2125 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
2126 (simplify_plus_minus): Count n_constants while filling ops. Replace
2127 qsort with insertion sort. Before going through the array to simplify
2128 pairs, sort it. Delay early exit until after the first sort, exiting
2129 only if no swaps occurred. Simplify pairs in reversed order, without
2130 special-casing the first iteration. Pack ops after simplifying pairs.
2132 2006-09-05 Anatoly Sokolov <aesok@post.ru>
2134 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
2135 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
2136 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
2137 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
2139 2006-09-05 Richard Guenther <rguenther@suse.de>
2141 PR tree-optimization/28900
2142 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
2143 compound conditional before creating COND_EXPR condition.
2145 2006-09-05 Richard Guenther <rguenther@suse.de>
2147 PR tree-optimization/28905
2148 * tree-vrp.c (fix_equivalence_set): Manually implement
2149 !value_ranges_intersect_p to also handle symbolic ranges.
2151 2006-09-05 Richard Guenther <rguenther@suse.de>
2154 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
2157 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2159 PR rtl-optimization/27616
2160 * cse.c (table_size): New static variable.
2161 (new_basic_block): Initialize it to 0.
2162 (remove_from_table): Decrement it.
2163 (insert): Increment it.
2164 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
2165 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
2166 fold_rtx_mem_1 if under the cap.
2167 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
2168 the lookup of the equivalent expression and test for equality of the
2169 first operand of the equivalent expression before in turn looking up
2170 an equivalent constant for the second operand.
2172 2006-09-02 Geoffrey Keating <geoffk@apple.com>
2175 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
2176 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
2177 pointer, instead of assuming it is possible to derive the
2178 correct args size from a call insn.
2180 2006-09-02 Jakub Jelinek <jakub@redhat.com>
2183 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
2184 (fold_builtin_mempcpy): Rename to...
2185 (fold_builtin_memory_op): ... this. Optimize one element copy
2187 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
2189 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
2190 (expand_builtin_memcpy, expand_builtin_mempcpy,
2191 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
2192 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
2193 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
2194 BUILT_IN_MEM{CPY,PCPY,MOVE}.
2196 2006-09-01 DJ Delorie <dj@redhat.com>
2198 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
2199 (stzx_16): Likewise.
2200 ("stzx_24_<mode>"): Likewise.
2201 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
2202 ("cmp<mode>_op"): New.
2203 (cmp<mode>): Change to expander; just save operands.
2205 (b<code>): Change to expander, emit compare here.
2206 (s<code>_op): Change to use split and expander.
2207 (s<code>_24_op): Likewise.
2208 (s<code>_<mode>): New.
2209 (s<code>_<mode>_24): New.
2210 (movqicc_<code>_<mode): New.
2211 (movhicc_<code>_<mode>): New.
2214 * config/m32c/m32c.c (compare_op0, compare_op1): New.
2215 (m32c_pend_compare): New.
2216 (m32c_unpend_compare): New.
2217 (m32c_expand_scc): New.
2218 (m32c_expand_movcc): Emit the compare also.
2219 * config/m32c/predicates.md (mra_nopp_operand): New.
2221 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
2222 Richard Guenther <rguenther@suse.de>
2223 Adam Nemet <anemet@caviumnetworks.com>
2226 * builtins.c (get_pointer_alignment): Handle more forms
2227 of base addresses that can be used to derive more precise
2228 information about alignment.
2230 2006-09-01 Jason Merrill <jason@redhat.com>
2233 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
2236 * gimplify.c (voidify_wrapper_expr): Handle null type.
2238 2006-09-01 Josh Conner <jconner@apple.com>
2241 * tree-nrv.c (dest_safe_for_nrv_p): New function.
2242 (execute_return_slot_opt): Use it.
2244 2006-08-31 Josh Conner <jconner@apple.com>
2247 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
2248 returning aggregates.
2250 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
2252 PR tree-optimization/28839
2253 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
2254 blocks in that phi arguments appear.
2256 2006-08-31 Roger Sayle <roger@eyesopen.com>
2259 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
2260 NULL, otherwise use an advance_loc4 to adjust relative to the
2262 (output_cfi) <DW_CFA_set_loc>: Update the current label.
2263 (dwarf2out_switch_text_section): Reset the current label to avoid
2264 using advance_loc4 over section boundaries.
2266 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
2269 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
2270 r12 + SYMBOLIC_CONST.
2272 2006-08-30 Richard Guenther <rguenther@suse.de>
2274 * Makefile.in (see.o): Add $(EXPR_H) dependency.
2276 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
2278 PR rtl-optimization/27735
2279 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
2280 Add new argument to keep track of whether an irreducible region
2281 was affected. All callers changed.
2282 (fix_irreducible_loops): Removed.
2283 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
2284 flags were invalidated.
2286 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
2288 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
2289 instead of SF operands.
2290 (*fop_df_comm_sse): Likewise.
2291 (*fop_df_comm_i387): Likewise.
2292 (*fop_df_1_mixed): Likewise.
2293 (*fop_df_1_sse): Likewise.
2295 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
2296 J"orn Rennecke <joern.rennecke@st.com>
2298 PR tree-optimization/17506
2299 * tree-ssa.c (warn_uninit): If warning about a location outside of
2300 the current function, note where the variable was declared.
2302 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
2304 PR tree-optimization/28411
2305 * double-int.c (double_int_div): Use double_int_divmod.
2306 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
2307 double_int_mod, double_int_smod, double_int_umod): New functions.
2308 * double-int.h (double_int_divmod, double_int_sdivmod,
2309 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
2311 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
2313 (get_computation_aff, get_computation_cost_at): Handle double_int
2314 return type of constant_multiple_of.
2316 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
2319 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
2320 an implicit conversion.
2322 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
2324 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
2326 2006-08-27 Roger Sayle <roger@eyesopen.com>
2328 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
2331 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
2333 * config/i386/crtfastmath.c: Fix a comment typo.
2335 2006-08-26 Roger Sayle <roger@eyesopen.com>
2337 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
2338 temporary visit flags on CASE_LABEL_EXPRs.
2339 * c-common.c (match_case_to_enum): Add function comment. Avoid
2340 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
2341 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
2342 CASE_HIGH_SEEN for enumerated types. If the switch expression is
2343 a constant, only warn if that constant value isn't handled.
2345 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
2348 * input.h (restore_input_file_stack): Declare.
2349 (INPUT_FILE_STACK_BITS): Define.
2350 * toplev.c (fs_p, input_file_stack_history,
2351 input_file_stack_restored, restore_input_file_stack): New.
2352 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
2353 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
2354 (pop_srcloc): Don't free old state of stack.
2356 2006-08-26 David Edelsohn <edelsohn@gnu.org>
2359 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
2360 (PowerPC Type Attributes): New.
2362 2006-08-26 Bob Wilson <bob.wilson@acm.org>
2364 * config/xtensa/xtensa.c (function_arg_boundary): New.
2365 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
2367 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
2368 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
2370 2006-08-26 Jakub Jelinek <jakub@redhat.com>
2373 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
2376 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2378 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
2379 (verify_local_live_at_start): Likewise.
2381 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2384 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
2385 omp_add_variable): Treat sizes as variable whenever not
2388 2006-08-26 Richard Guenther <rguenther@suse.de>
2391 * fold-const.c (fold_binary): Fold temporary to correct
2392 type before constructing new comparison.
2394 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2397 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2398 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2400 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2403 * c-decl.c (start_function): Don't try to process prototype
2404 information from old declaration that isn't a function.
2406 2006-08-25 Jan Hubicka <jh@suse.cz>
2409 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2411 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2414 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2417 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2419 PR tree-optimization/16876
2420 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2421 exit if PARM doesn't match VALUE.
2423 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2425 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2426 literal_prefix directive.
2427 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2428 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2429 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2431 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2434 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2435 predicate to general_operand. Add 0->y and I->r alternatives.
2437 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2439 * doc/tm.texi: Fix a typo.
2440 * predict.c: Fix comment typos.
2442 2006-08-25 Nick Clifton <nickc@redhat.com>
2444 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2445 assertions of "cpu" and "machine".
2447 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2450 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2451 the access through a base which has an alias set of 0 cannot
2454 2006-08-24 Bill Wendling <wendling@apple.com>
2456 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2458 2006-08-24 Jan Hubicka <jh@suse.cz>
2460 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2462 2006-08-24 Jan Hubicka <jh@suse.cz>
2465 * cgraph.c: Fix comments.
2466 (cgraph_varpool_mark_needed_node): Mark only variables not already
2468 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2469 (cgraph_varpool_assembled_nodes_queue): New static variable.
2470 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2471 (cgraph_varpool_output_debug_info): New function.
2472 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2473 * Makefile.in: Add gt-cgraphunit.h
2475 2006-08-24 Jan Hubicka <jh@suse.cz>
2477 * predict.c (probability_reliable_p): New predicate.
2478 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2479 (predict_loops): Do not predict loop exit with less than 2%
2481 * basic-block.h (edge_probability_reliable_p,
2482 br_prob_note_reliable_p): Declare.
2483 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2484 prediction when static predictor is not reliable.
2485 * rs6000.c (output_cbranch): Likewise.
2487 2006-08-23 Stuart Hastings <stuart@apple.com>
2490 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2491 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2493 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2496 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2497 complex values, nor for generic vector values.
2499 2006-08-22 Richard Guenther <rguenther@suse.de>
2502 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2503 parameter. Convert arguments to arithmetic expression to the
2505 (analyze_scalar_evolution_1): Adjust caller.
2507 2006-08-22 Jan Hubicka <jh@suse.cz>
2509 Patch by Paolo Bonzini
2510 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2513 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2515 PR tree-optimization/28003
2516 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2517 before grouping aliases.
2519 2006-08-22 Roger Sayle <roger@eyesopen.com>
2521 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2522 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2524 2006-08-21 Jason Merrill <jason@redhat.com>
2527 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2528 wrapper. Loop to handle nested wrappers.
2529 (gimplify_bind_expr): Remove temp parameter.
2530 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2531 and STATEMENT_LIST on the rhs.
2532 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2533 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2534 (gimplify_target_expr): Remove special BIND_EXPR handling.
2536 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2538 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2541 2006-08-21 Olivier Hainque <hainque@adacore.com>
2543 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2544 Arrange for the temporary captures of components overlapping the lhs
2545 to happen before the lhs is possibly cleared.
2547 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2549 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2550 necessary places to pass the correct "number of registers" values
2553 2006-08-20 Jan Hubicka <jh@suse.cz>
2555 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2556 (create_name_tags): Instead of quadratic checking use hashtable.
2557 * bitmap.h: Include hashtab.h.
2558 (bitmap_hash): Declare.
2559 * bitmap.c (bitmap_hash): New function.
2561 2006-08-20 Jan Hubicka <jh@suse.cz>
2563 PR rtl-optimization/28071
2564 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2566 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2567 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2568 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2569 cgraph_decide_inlining_incrementally): Update use of
2570 cgraph_check_inline_limits.
2571 * cgraph.c (edge_hash, edge_eq): New function.
2572 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2573 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2574 cgraph_remove_node): Maintain call site hash.
2575 * cgraph.h (struct cgraph_node): Add call_site_hash.
2576 (cgraph_set_call_stmt): New function.
2578 2006-08-20 Jan Hubicka <jh@suse.cz>
2580 PR rtl-optimization/28071
2581 * reload1.c (reg_has_output_reload): Turn into regset.
2582 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2583 choose_reload_regs, emit_reload_insns): Update to new
2584 reg_has_output_reload.
2586 2006-08-20 Jan Hubicka <jh@suse.cz>
2589 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2590 function body sizes.
2591 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2593 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2596 * tree.c (handle_dll_attribute): Return early if not a
2597 var or function decl.
2599 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2602 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2603 alignment of SPE vector types.
2605 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2607 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2609 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2612 * cgraph.h (struct cgraph_node): Remove externally_visible
2614 * cgraphunit.c (process_function_and_variable_attributes): Set
2615 local.externally_visible rather than externally_visible.
2618 * c-common.c (handle_externally_visible_attribute): First look
2619 at TREE_CODE and only if it is function or var decl, check for
2620 non-public objects. Don't warn for DECL_EXTERNAL.
2621 * cgraphunit.c (process_function_and_variable_attributes): Warn
2622 if externally_visible attribute is used on non-public object.
2624 2006-08-17 Jan Hubicka <jh@suse.cz>
2626 PR tree-optimization/27865
2627 * reload1.c (forget_marked_reloads): New function.
2628 (forget_old_reloads_1): When data are passed, just mark the registers
2630 (reload_as_needed): Use the new mechanizm.
2632 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2635 * reload.h (reg_equiv_alt_mem_list): New declaration.
2636 * reload1.c (reg_equiv_alt_mem_list): New definition.
2637 (reload): Initialize it and release it.
2638 (delete_output_reload): Use it.
2639 * reload.c (push_reg_equiv_alt_mem): New function.
2640 (find_reloads_toplev): Call it.
2641 (find_reloads_address, find_reloads_address_1): Likewise.
2642 (find_reloads_subreg_address): Likewise.
2644 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2646 PR rtl-optimization/28489
2647 * sched-ebb.c (begin_schedule_ready): Create basic block
2649 (advance_target_bb): Skip empty blocks.
2650 * haifa-sched.c (bb_note): Make global.
2651 * sched-int.h (bb_note): Add prototype.
2653 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2655 PR tree-optimization/27865
2656 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2658 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2659 fold_used_pointer, pointer_used_p): New functions.
2660 (analyze_scalar_evolution_1): Use fold_used_pointer.
2661 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2662 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2665 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2668 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2669 or the INTEGER_CST. Fail on a CALL_EXPR.
2670 (fold_offsetof): Pass new argument to fold_offsetof_1.
2671 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2672 operand into an INDIRECT_REF.
2673 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2675 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2677 PR gcov/profile/26570
2678 * value-prof.c (static_values): Removed.
2679 (tree_find_values_to_profile): Do not set static_values.
2680 (find_values_to_profile): Do not free static_values.
2681 * profile.c (instrument_values): Do not free the values.
2682 (branch_prob): Free the values.
2684 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2686 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2688 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2691 * c-typeck.c (build_component_ref): Combine qualifiers of
2692 structure or union and field.
2694 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2696 PR rtl-optimization/28071
2697 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2698 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2699 * tree-into-ssa.c (struct dom_dfsnum): New.
2700 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2702 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2703 compute_global_livein.
2704 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2705 in phi nodes in the correct blocks.
2707 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2709 PR tree-optimization/28364
2710 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2712 (fold_affine_expr): New function.
2713 (may_eliminate_iv): Use fold_affine_expr.
2715 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2718 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2721 2006-08-16 Mike Stump <mrs@apple.com>
2723 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2724 * doc/cppopts.texi (-MD): Likewise.
2726 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2729 * c-common.c (handle_weak_attribute): Ignore and warn if
2730 not a FUNCTION_ or VAR_DECL.
2732 2006-07-15 Mike Stump <mrs@apple.com>
2735 * c-parser.c (c_parser_typeof_specifier): Don't use
2736 c_finish_expr_stmt, open code desired semantics instead.
2738 2006-08-15 Nick Clifton <nickc@redhat.com>
2740 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2741 fragment to tmake_file only if threads are enabled.
2742 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2743 * config/i386/t-gthr-win32: New file. ... here.
2745 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2748 * c-parser.c (c_parser_compound_statement_nostart): Reset
2749 parser->error after each statement.
2751 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2754 * omp-low.c (lower_omp_parallel): Convert t to
2755 receiver_decl's type.
2756 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2757 source before comparison.
2760 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2761 to itype in assignment to oldival2.
2763 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2767 * c-typeck.c (build_compound_expr): If the second expression
2768 is an error mark, then just return an error mark instead of
2769 creating a COMPOUND_EXPR.
2771 2006-07-14 Mike Stump <mrs@apple.com>
2773 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2775 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2777 * c-decl.c, var-tracking.c: Fix comment typos.
2779 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2781 PR rtl-optimization/28634
2782 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2783 for floating-point modes unless flag_unsafe_math_optimizations.
2785 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2786 Andrew Pinski <pinskia@physics.uc.edu>
2789 * tree.c (build_array_type): Unify array types with
2790 unspecified index_type.
2791 * c-decl.c (grokdeclarator): Make sure we do not modify a
2792 unified incomplete array type.
2793 * c-typeck.c (store_init_value): Create distinct type before
2794 filling in the index type in an initializer from a compound
2797 * c-decl.c (grokdeclarator): Remove code where we copy the
2800 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2802 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2803 into account for TODO_dump_cgraph.
2804 (TODO_update_ssa_no_phi): Likewise.
2805 (TODO_update_ssa_full_phi): Likewise.
2806 (TODO_update_ssa_only_virtuals): Likewise.
2807 (TODO_remove_unused_locals): Likewise.
2808 (TODO_set_props): Likewise.
2809 (TODO_update_stmt_usage): Likewise.
2811 2006-08-13 Dirk Mueller <dmueller@suse.de>
2813 * c-common.c (strict_aliasing_warning): Fix formatting.
2815 2006-08-13 Matthias Klose <doko@debian.org>
2817 * doc/invoke.texi: Fix spelling errors.
2819 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2821 PR rtl-optimization/23454
2822 * reorg.c (relax_delay_slots): Update comment.
2824 2006-08-11 Richard Guenther <rguenther@suse.de>
2827 * simplify-rtx.c (simplify_const_relational_operation):
2828 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2831 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2833 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2834 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2836 2006-08-10 Paul Brook <paul@codesourcery.com>
2838 * final.c (final_scan_insn): Clear current_insn_predicate before
2839 outputting inline asm.
2841 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2843 PR tree-optimization/26197
2844 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2845 get_ref_base_and_extent and overlap_subvar to add only relevant
2846 subvars as may-aliases.
2847 (add_may_alias_for_new_tag): New function, factored out of
2849 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2850 with additional argument.
2851 * tree-flow.h (new_type_alias): Takes additional argument.
2853 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2855 * gcov.c (no_data_file): New flag.
2856 (read_count_file): Set it if data file not present. Assume counts
2858 (output_lines): Don't name the data file, if there wasn't one.
2860 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2862 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2863 (rs6000_generate_compare): Tweak comments.
2864 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2866 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2868 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2869 (var_debug_decl): New function.
2870 (var_reg_set): Follow debug decl link. Add location even if
2871 reg is already known to hold some other variable.
2872 (var_mem_set): Follow debug decl link.
2873 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2874 decl link. Delete other known locations of the variable part
2876 (var_reg_delete, var_mem_delete): Delete other known locations
2877 of the variable part if requested.
2878 (same_variable_part_p): New function.
2879 (add_stores): Select MO_COPY when appropriate.
2880 (vt_initialize): Handle it.
2881 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2882 known locations for MO_SET and MO_CLOBBER.
2883 (find_variable_location_part): New function.
2884 (set_variable_part, delete_variable_part): Use it.
2885 (clobber_variable_part): New function.
2886 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2889 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2891 PR tree-optimization/26969
2892 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2893 with an empty list of PHIs.
2895 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2899 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2902 2006-08-06 Andreas Schwab <schwab@suse.de>
2904 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2905 string. Whitespace and comment fixup.
2907 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2910 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2914 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2917 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2919 2006-08-04 Jan Hubicka <jh@suse.cz>
2923 * reload.c (push_reload): Patch out the mismatching instruction;
2925 (find_reload): Bail out if the instruction was patched out.
2927 2006-08-04 Jan Hubicka <jh@suse.cz>
2929 PR tree-optimization/24888
2930 * tree-inline.c (expand_call_inline): Do not re-record variables.
2931 (declare_inline_vars): Add variable to unexpanded_var_list.
2933 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2934 Roger Sayle <roger@eyesopen.com>
2936 PR rtl-optimization/26244
2937 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2938 inner_const are negative or greater than or equal to the bitsize of
2939 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2940 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2941 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2942 CONST0_RTX (mode) when the new shift count is greater than or equal to
2943 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2946 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2948 * tree-cfg.c: Fix a comment typo.
2950 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2953 * varasm.c (output_constant): Give the front end another chance to
2954 expand constants, after stripping NOPs.
2956 2006-08-03 Jan Hubicka <jh@suse.cz>
2958 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2961 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2963 PR tree-optimization/27770
2964 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2965 declaration removed (moved to tree-flow.h).
2966 (vect_can_force_dr_alignment_p): Likewise.
2967 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2968 (moved from tree-vectorizer.h).
2969 (vect_can_force_dr_alignment_p): Likewise.
2970 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2971 from outside the vectorizer - in particular from cgraph stage.
2972 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2973 the alignment of global arrays when -fsection-anchors is enabled.
2974 * cgraphunit.c (cgraph_increase_alignment): New function.
2975 (cgraph_optimize): Call cgraph_increase_alignment.
2977 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2980 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2981 not reload a SPE symbol_ref into a lo_sum address.
2983 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2986 * dwarf2out.c (prune_unused_types_prune): Move call to
2987 prune_unused_types_update_strings to cover the parent DIE also.
2989 2006-08-02 Jan Hubicka <jh@suse.cz>
2991 PR gcov/profile/28480
2992 * tree-cfg.c (change_bb_for_stmt): New function.
2993 (tree_merge_blocks, tree_split_blocks): Use it.
2995 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3001 * toplev.c (compile_file): Return early on errorcount or sorrycount.
3002 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
3003 (cgraph_optimize): Likewise.
3005 2006-08-01 Stuart Hastings <stuart@apple.com>
3007 * rtl.h (UINTVAL) New.
3008 * config/rs6000/rs6000.c (SMALL_INT) Use it.
3009 * testsuite/gcc.dg/20060801-1.c: New.
3011 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
3014 * c-typeck.c (build_external_type): Mark used enum types.
3015 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
3017 (gen_subprogram_die): Whitespace fix.
3019 2006-08-01 Jan Hubicka <jh@suse.cz>
3021 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
3022 bitmap when not needed.
3023 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
3026 2006-08-01 Dirk Mueller <dmueller@suse.de>
3028 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
3030 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3032 * Makefile.in: Revert part of previous patch:
3033 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
3036 2006-07-30 Eric Christopher <echristo@apple.com>
3039 * doc/extend.texi (i386 Variable Attributes): Add anchor.
3040 (PowerPC Variable Attributes): New section.
3042 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
3044 PR target/28126 (partial fix)
3045 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
3047 2006-07-28 Jan Hubicka <jh@suse.cz>
3049 PR rtl-optimization/28071
3050 * cfgrtl.c (rtl_delete_block): Free regsets.
3051 * flow.c (allocate_bb_life_data): Re-use regsets if available.
3053 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3055 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
3056 and variables used in dependencies.
3058 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
3060 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
3061 %fs for -mcmodel=kernel.
3062 (stack_tls_protect_test_di): Likewise.
3064 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
3066 * Makefile.in: Use mkinstalldirs.
3068 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
3071 * opts-common.c (prune_options): Skip joined switches.
3073 2006-07-27 Jan Hubicka <jh@suse.cz>
3075 PR rtl-optimization/28071
3076 * cselib.c (cselib_process_insn): Don't remove useless values too
3077 often for very large hashtables.
3079 2006-07-27 Jan Hubicka <jh@suse.cz>
3081 PR rtl-optimization/28071
3082 * global.c (greg_obstack): New obstack.
3083 (allocate_bb_info): Use it.
3084 (free_bb_info): Likewise.
3085 (modify_reg_pav): Likewise.
3087 2006-07-27 Roger Sayle <roger@eyesopen.com>
3089 * builtins.c (fold_fixed_mathfn): When long and long long are the
3090 same size, canonicalize llceil*, llfloor*, llround* and llrint*
3091 functions to their lceil*, lfloor*, lround* and lrint* forms.
3093 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
3096 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
3098 (rev_branch_insn): Likewise.
3100 2006-07-27 Jan Hubicka <jh@suse.cz>
3102 PR rtl-optimization/28071
3103 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
3104 (reg_set_in_bb, max_reg_computed): New static variables.
3105 (regmove_optimize): Free the new array.
3106 (fixup_match_1): Update call of reg_is_remote_constant_p.
3108 2006-07-26 Jan Hubicka <jh@suse.cz>
3110 PR tree-optimization/27882
3111 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
3113 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
3115 (cgraph_analyze_compilation_unit): Likewise.
3116 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
3117 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
3118 (cgraph_early_inlinine): Make order garbage collected.
3119 * Makefile.in (gt-ipa-inline): New garbagecollected file.
3121 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3123 * dbxout.c (output_types_sort): Add a comment.
3124 (output_used_types): Free the VEC.
3126 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
3128 * function.c (reorder_fix_fragments): Delete.
3129 (reorder_blocks): Don't call it.
3130 (reorder_blocks_1): Put all subblocks under the origin block.
3132 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
3134 PR rtl-optimization/27907
3135 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
3138 2006-07-25 Roger Sayle <roger@eyesopen.com>
3141 * convert.c (convert_to_integer): When transforming (T)foo(x) into
3142 bar(x) check that bar's result type can represent all the values of T.
3144 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
3146 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
3148 2006-07-25 Nick Clifton <nickc@redhat.com>
3150 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
3151 size_lookup[] array.
3152 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
3153 (ggc_pch_count_object): Likewise.
3154 (ggc_pch_alloc_object): Likewise.
3155 (ggc_pch_write_object): Likewise.
3156 (init_ggc): Do not attempt to initialize entries in the
3157 size_lookup[] array for objects whose size is greater than than
3158 the length of the array.
3160 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
3162 * dbxout.c (output_used_types_helper): Push queued types
3164 (output_types_sort): New.
3165 (output_used_types): Collect used types on a VEC and sort them
3168 2006-07-24 Richard Guenther <rguenther@suse.de>
3171 * cgraph.c (cgraph_remove_node): Do not check if dumps
3173 * cgraphunit.c (cgraph_optimize): Likewise.
3175 2006-07-24 Jan Hubicka <jh@suse.cz>
3177 PR rtl-optimization/28071
3178 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
3179 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
3180 splitting before first stmt.
3182 2006-07-24 Jan Hubicka <jh@suse.cz>
3184 PR rtl-optimization/28071
3185 * ipa-inline.c (update_caller_keys): Remove edges that
3186 are no longer inline candidates.
3188 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
3191 * dbxout.c (output_used_types_helper, output_used_types): New.
3192 (dbxout_symbol): Call output_used_types.
3194 2006-07-23 Jan Hubicka <jh@suse.cz>
3198 * cgraph.c (cgraph_varpool_nodes): Export.
3199 (decide_is_variable_needed): Ignored "used" attribute in
3200 unit-at-a-time mode.
3201 * cgraph.h (cgraph_varpool_nodes): Declare.
3202 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
3203 unit-at-a-time mode.
3205 2006-07-23 Roger Sayle <roger@eyesopen.com>
3208 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
3209 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
3210 the __gthrw form of thr_keycreate.
3211 (__gthread_key_delete): Silence the unused argument warning.
3213 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
3216 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
3217 Cache the last found '\0' marker to avoid quadratic behavior.
3219 2006-07-23 Jan Hubicka <jh@suse.cz>
3221 * i386.md (subsi_3_zext): Fix output template.
3223 2006-07-21 Mike Stump <mrs@apple.com>
3225 * doc/invoke.texi (C++ Dialect Options): Note that
3226 -fvisibility-inlines-hidden doesn't affect explicitly
3227 instantiationed inline methods.
3229 2006-07-20 Roger Sayle <roger@eyesopen.com>
3231 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
3232 if the target assembler is GNU binutils' gas.
3233 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
3234 whether to pass GNU gas or native as command line options.
3236 2006-07-20 Jason Merrill <jason@redhat.com>
3238 * tree.c (remove_attribute): New fn.
3239 * tree.h: Declare it.
3241 2006-07-20 Paul Brook <paul@codesourcery.com>
3244 * cse.c (cse_insn): Add destination addresses to hash table. Check if
3245 they are invalidated by this instruction.
3247 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
3250 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
3252 2006-07-20 Eric Christopher <echristo@apple.com>
3255 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
3257 2006-07-19 Eric Christopher <echristo@apple.com>
3259 * config/t-slibgcc-darwin (stmp-lipo): Remove.
3260 Rewrite dependencies for libgcc_s.1.dylib.
3262 2006-07-19 Jakub Jelinek <jakub@redhat.com>
3264 * except.c (duplicate_eh_regions_1): Clear next_peer.
3266 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
3268 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
3269 -mlongcall does not guarantee all calls will be long.
3270 * doc/extend.texi (long_call/short_call): Document that longcall
3271 does not guarantee a long call will be used.
3272 (longcall/shortcall): Likewise.
3274 2006-07-18 Roger Sayle <roger@eyesopen.com>
3277 * expmed.c (expand_shift): Additionally check that the shift_cost
3278 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
3279 before implementing a LSHIFT_EXPR as a sequence of additions.
3280 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
3281 middle-end that DImode shifts need to be synthesized by expand.
3283 2006-07-18 Diego Novillo <dnovillo@redhat.com>
3286 * tree-ssa-operands.c (access_can_touch_variable): Update
3288 Return true if ALIAS is .GLOBAL_VAR.
3290 2006-07-18 David Daney <ddaney@avtrex.com>
3292 * gcc.c (display_help): Fix typo in help text.
3294 2006-07-18 Olivier Hainque <hainque@adacore.com>
3296 * tree.h (categorize_ctor_elements): Adjust prototype and add
3297 descriptive comment, both in accordance with the interface change
3299 * varasm.c (constructor_static_from_elts_p): New function.
3300 Whether a constructor node is a valid static constant initializer
3301 if all its elements are.
3302 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
3303 * output.h: Declare it.
3304 * expr.c (categorize_ctor_elements_1): Return whether the constructor
3305 is a valid constant initializer instead of computing the number of
3306 non-constant elements. Use constructor_static_from_elts_p for this
3307 purpose. Replace the head comment with an indication that this is a
3308 helper for categorize_ctor_elements.
3309 (categorize_ctor_elements): Same interface change as for the _1
3310 helper. Former head comment from this helper moved here, adjusted to
3311 account for the interface changes.
3312 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
3313 (all_zeros_p): Likewise.
3314 * gimplify.c (gimplify_init_constructor): Decide whether we can make
3315 static versions of the constructor from the categorize_ctor_elements
3316 return value instead of the formerly computed number of non-constant
3319 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
3321 * configure: Regenerate.
3322 * Makefile.in (build_libsubdir): New configure substitution
3323 (build_libobjdir): New variable.
3324 (BUILD_LIBIBERTY): Use it.
3326 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3329 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
3331 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
3334 * c-common.c (handle_weakref_attribute): Ignore attribute in
3335 the same conditions the alias attribute is ignored.
3337 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
3339 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
3340 (dbxout_begin_prologue): Increment scope_labelno.
3342 2006-07-17 Richard Henderson <rth@redhat.com>
3345 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
3348 2006-07-17 Roger Sayle <roger@eyesopen.com>
3349 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3351 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
3352 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
3353 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
3354 functions such as sbrk, write, etc.. Add function prototypes.
3355 Convert function declarations from K&R to ISO C. Cast pointers
3356 to "long" and "unsigned long" instead of "int" and "unsigned int".
3357 Convert tokens following #endif into comments.
3359 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
3361 * invoke.texi: Remove mention of f77; Reformat table for
3362 inline parameter options correctly; mention that -malign-double
3363 is default on x86-64 targets.
3365 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
3367 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
3368 (convert_affine_scev, chrec_convert_aggressive): Use
3369 avoid_arithmetics_in_type_p. Do not check for the subtypes
3372 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3375 * optabs.c (expand_doubleword_shift): Wrap the call to
3376 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
3378 2006-07-17 Richard Sandiford <richard@codesourcery.com>
3381 * optabs.c (expand_binop): Pass next_methods rather than methods
3382 to expand_doubleword_shift.
3384 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3387 * tree.h (dump_addr): Declare.
3388 * print-tree.c (dump_addr): New function.
3389 (print_node_brief, print_node): Use it.
3390 * print-rtl.c (print_rtx): Likewise.
3391 * common.opt (-fdump-noaddr): New option.
3392 * doc/invoke.texi (-fdump-noaddr): Document.
3393 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3394 (ve_info_hash): Likewise.
3396 2006-07-13 Andrew Haley <aph@redhat.com>
3398 PR tree-optimization/19505
3399 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3400 edge leaving this block, make sure that the destination of this
3401 block has only one predecessor.
3403 2006-07-17 Richard Guenther <rguenther@suse.de>
3405 PR tree-optimization/28238
3406 * tree-inline.c (copy_bb): Check if we produced valid
3407 gimple copying and substituting a stmt. If not, gimplify
3410 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3412 * optabs.c (maybe_encapsulate_block): New function extracted from...
3413 (emit_libcall_block): ...here. Invoke it on the block of insns to
3414 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3415 (emit_no_conflict_block): Likewise.
3417 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3419 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3421 2006-07-15 Roger Sayle <roger@eyesopen.com>
3423 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3424 a new NOP_EXPR case of the switch statement.
3426 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3429 * stor-layout.c (place_field): Take the bit field with
3430 an excessive size into account in the ms-bitfiled case.
3433 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3434 the previous bit field.
3436 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3439 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3441 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3443 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3444 signal frames correctly even when the signal was installed with
3447 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3449 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3450 (dbxout_function_end): Use local label LFBB. Remove hook
3452 (dbxout_source_line): Use local label LFBB.
3453 (dbxout_block): Likewise.
3454 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3455 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3456 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3457 and DBX_OUTPUT_NFUN.
3459 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3461 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3463 2006-07-13 Jan Hubicka <jh@suse.cz>
3465 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3467 * output.h (align_variable): Declare.
3468 * varasm.c (align_variable): Export.
3469 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3470 when basic block changed.
3472 2006-07-13 Nick Clifton <nickc@redhat.com>
3474 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3475 walking the LOG_LINKS chain.
3477 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3479 * doc/invoke.texi (C++ Dialect Options): Explain difference
3480 between -fvisibility-inlines-hidden and setting hidden
3481 visibility explicitly.
3483 2006-07-12 Eric Christopher <echristo@apple.com>
3485 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3486 (stmp-lipo): Depend on libgcc.a.
3488 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3490 * tree.c: Fix a comment typo.
3492 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3494 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3496 (umulhisi3_r): Likewise.
3498 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3501 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3502 x < 19, vs wchar_t support.
3504 2006-07-12 Nick Clifton <nickc@redhat.com>
3506 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3507 instead of -isa=sh4.
3509 2006-07-12 Mike Stump <mrs@apple.com>
3511 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3513 2006-07-10 Eric Christopher <echristo@apple.com>
3515 * config/t-slibgcc-darwin: Rewrite.
3517 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3520 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3523 2006-07-08 Matthias Klose <doko@debian.org>
3525 * doc/sourcebuild.texi: Fix typo.
3527 2006-07-07 Mike Stump <mrs@apple.com>
3529 * toplev.c (process_options): Don't give -ffunction-sections may
3530 affect debugging warning for Mach-O.
3532 2006-07-07 James E Wilson <wilson@specifix.com>
3534 * config/mips/mips.md (cpu): Add sb1a.
3535 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3536 addition to sb1. Adjust comments to clarify SB-1A differences from
3538 (ir_sb1a_load): New. Modify bypasses to use it.
3539 (ir_sb1a_simple_alu): Likewise.
3540 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3541 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3542 (mips_issue_rate): Add PROCESSOR_SB1A.
3543 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3544 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3545 (TARGET_SB1): Add PROCESSOR_SB1A check.
3546 (TUNE_SB1): Likewise.
3548 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3549 * config/mips/mips.c (mips_store_data_bypass_p): New.
3550 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3551 store_data_bypass_p.
3553 2006-07-08 Paul Brook <paul@codesourcery.com>
3556 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3558 2006-07-07 Richard Guenther <rguenther@suse.de>
3561 * tree.h (build_one_cst): Declare.
3562 * tree.c (build_one_cst): New function.
3563 * tree-ssa-math-opts.c (get_constant_one): Remove.
3564 (insert_reciprocals): Use build_one_cst.
3565 * fold-const.c (fold_plusminus_mult): Likewise.
3567 2006-07-07 Roger Sayle <roger@eyesopen.com>
3569 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3570 * cfgloopanal.c (dump_graph): Likewise.
3571 * dojump.c (discard_pending_stack_adjust): Likewise.
3572 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3574 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3575 * function.c (finalize_block_changes): Likewise.
3576 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3577 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3578 * rtl.c (dump_rtx_statistics): Likewise.
3579 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3581 * varray.c (dump_varray_statistics): Likewise.
3582 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3583 decode_decimal64, encode_decimal128, decode_decimal128,
3584 decimal_real_to_decimal): Likewise.
3586 2006-07-07 Richard Guenther <rguenther@suse.de>
3588 PR tree-optimization/28187
3589 * tree-vrp.c (vrp_operand_equal_p): New function.
3590 (vrp_bitmap_equal_p): Likewise.
3591 (update_value_range): Use them to compare old and new
3594 2006-07-06 Roger Sayle <roger@eyesopen.com>
3596 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3597 a default case to switch statement to silence compiler warnings.
3599 2006-07-06 Roger Sayle <roger@eyesopen.com>
3602 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3603 the configured assembler supports the x87's ffreep mnemonic.
3604 * configure: Regenerate.
3605 * config.in: Regenerate.
3607 * config/i386/i386.c (output_387_ffreep): New function.
3608 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3609 (output_387_reg_move): Likewise.
3611 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3613 Port to hosts whose 'sort' and 'tail' implementations
3614 treat operands with leading '+' as file names, as POSIX
3615 has required since 2001. However, make sure the code still
3616 works on pre-POSIX hosts.
3617 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3618 which says you should use "tail -c +N" rather than "tail +Nc".
3619 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3621 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3623 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3626 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3629 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3630 PRE_{INC,DEC} of TFmode.
3632 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3633 Alan Modra <amodra@bigpond.net.au>
3636 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3639 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3642 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3643 Remove duplicate gtu.
3645 2006-07-05 Jason Merrill <jason@redhat.com>
3649 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3650 * c-common.c (handle_packed_attribute): So don't copy it here.
3651 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3653 2006-07-05 Mike Stump <mrs@apple.com>
3655 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3657 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3660 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3662 2006-07-05 Richard Guenther <rguenther@suse.de>
3665 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3666 TARGET_SSE2 targets if using SSE math.
3667 (*absdf2_1): Likewise.
3669 2006-07-05 Richard Guenther <rguenther@suse.de>
3671 PR tree-optimization/28162
3672 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3673 make sure to convert the operands to the correct type.
3675 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3677 PR tree-optimization/28218
3679 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3680 to calculate and free the dominator information.
3682 2006-07-04 Peter O'Gorman <peter@pogma.com>
3684 * mklibgcc.in: chmod 644 before ranlib during install.
3686 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3687 J"orn Rennecke <joern.rennecke@st.com>
3689 * configure.ac (.eh_frame data check): Use diff -b.
3691 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3694 * Makefile.in (BUILD_RTL): Add build/vec.o.
3695 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3696 (build/genextract): Delete.
3697 (build/genautomata): Likewise.
3699 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3702 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3703 128-bit IBM long doubles for ABI_V4.
3705 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3707 * tree.c (range_in_array_bounds_p): New predicate.
3708 * tree.h (range_in_array_bounds_p): Declare it.
3709 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3710 return a less conservative answer.
3711 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3712 and flag 'is_group'.
3713 (IS_ELEMENT_FOR_GROUP): New macro.
3714 (FOR_EACH_ACTUAL_CHILD): Likewise.
3715 (next_child_for_group): New helper function.
3716 (can_completely_scalarize_p): Take into account groups.
3717 (sra_hash_tree): Handle RANGE_EXPR.
3718 (sra_elt_eq): Likewise.
3719 (lookup_element): Be prepared for handling groups.
3720 (is_valid_const_index): Delete.
3721 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3722 instead of is_valid_const_index.
3723 <ARRAY_RANGE_REF>: New case.
3724 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3725 is_valid_const_index.
3726 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3727 (scan_dump): Dump info for groups too.
3728 (decide_instantiation_1): Likewise.
3729 (decide_block_copy): Assert that the element is not a group.
3730 Propagate decision to groups.
3731 (generate_one_element_ref): Handle RANGE_EXPR.
3732 (mark_no_warning): Iterate over actual childs.
3733 (generate_copy_inout): Likewise.
3734 (generate_element_copy): Likewise.
3735 (generate_element_zero): Likewise.
3736 (generate_element_init_1): Likewise.
3737 (dump_sra_elt_name): Handle RANGE_EXPR.
3739 2006-07-03 Roger Sayle <roger@eyesopen.com>
3741 PR tree-optimization/26251
3742 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3743 (thread_block): When optimizing for size refuse to thread jumps
3744 that would require duplication of blocks other than redirection
3747 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3749 * configure.ac: Fix thinko in previous check-in.
3750 * configure: Regenerate.
3752 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3755 * configure.ac (for lang...): Simplify nesting of conditionals.
3756 Test subdir_requires for non-enabled languages. Move processing
3757 of lang_opt_files and lang_tree_fiels below that test.
3758 * configure: Regenerate.
3759 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3761 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3763 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3765 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3767 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3770 2006-06-29 Jason Merrill <jason@redhat.com>
3777 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3778 * c-common.c (c_determine_visibility): Handle it here.
3779 * c-decl.c (finish_decl): Call c_determine_visibility for
3781 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3783 * varasm.c (default_assemble_visibility): Likewise.
3784 * c-common.c (handle_visibility_attribute): Complain about trying
3785 to give visibility to an already defined class, or trying to change
3786 declared visibility. Always attach the attribute.
3791 * attribs.c (decl_attributes): Ignore type-in-place attributes
3792 once the type has been defined.
3794 2006-06-29 Roger Sayle <roger@eyesopen.com>
3797 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3798 to indicate the cpplib has issued an error message for us.
3800 2006-06-29 Asher Langton <langton2@llnl.gov>
3803 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3804 insert a label at the end of an function under Mach-O.
3806 2006-06-29 Eric Christopher <echristo@apple.com>
3807 Evan Cheng <evan.cheng@apple.com>
3809 * predicates.md (vector_all_ones_operand): New.
3810 (nonimmediate_or_sse_const_operand): Ditto.
3811 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3812 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3813 (standard_sse_mode_p): Ditto.
3814 (standard_sse_constant_p): Add case for -1 vector.
3815 (ix86_expand_vector_move): Try to use.
3816 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3817 Call standard_sse_constant_opcode.
3818 (*movv4sf_internal): Ditto.
3819 (*movv2df_internal): Ditto.
3821 2006-06-29 Roger Sayle <roger@eyesopen.com>
3823 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3824 of XEXP to extract the operands of a MATCH_CODE rtx.
3826 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3828 * tree.c (tree_size): Do not waste tail padding in
3829 struct tree_string and make the size be the same as
3830 build_string will generate.
3832 2006-06-28 Jason Merrill <jason@redhat.com>
3835 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3836 may_aliases already in the tag's annotations to the bitmap.
3838 2006-06-28 Roger Sayle <roger@eyesopen.com>
3840 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3842 2006-06-28 Roger Sayle <roger@eyesopen.com>
3844 * genpreds.c (generate_switch_p): New function.
3845 (add_mode_tests): Push the new mode test down inside an AND expr
3846 if this allows the switch-suitable MATCH_CODE to be near the root.
3847 (write_match_code_switch): New function to write a MATCH_CODE as
3849 (write_predicate_stmts): New function to write a predicate RTX
3850 expression as a sequence of statements.
3851 (write_one_predicate_function): Use write_predicate_stmts.
3852 (write_tm_constrs_h): Likewise.
3854 2006-06-26 Fred Fish <fnf@specifix.com>
3856 * config/mips/t-sb1: New file.
3857 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3860 2006-06-26 DJ Delorie <dj@redhat.com>
3862 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3864 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3865 Jayant Sonar <jayants@kpitcummins.com>
3866 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3868 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3869 (subsi3, subsi3_1, subsi3_2): New.
3870 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3871 * config/m32c/mov.md (SI mov peephole): New.
3872 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3873 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3875 2006-06-26 Olivier Hainque <hainque@adacore.com>
3877 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3878 a CALL_EXPR target function declaration.
3880 2006-06-26 Richard Guenther <rguenther@suse.de>
3882 * tree.c (build_string): Do not waste tail padding in
3885 2006-06-26 Richard Guenther <rguenther@suse.de>
3887 * ggc-page.c (init_ggc): Add missing element to size_lookup
3891 2006-06-23 Richard Guenther <rguenther@suse.de>
3893 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3894 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3895 alignment requests instead. Add verification code.
3896 Add struct tree_function_decl and struct tree_binfo size to
3897 extra_order_size_table. Add missing element to size_lookup
3900 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3903 * fold-const.c (const_binop): Be prepared for self returning zero.
3904 Simplify code handling complex values.
3906 2006-06-24 Olivier Hainque <hainque@adacore.com>
3908 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3909 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3912 2006-06-24 Olivier Hainque <hainque@adacore.com>
3914 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3915 ARRAY_REF, so have the callback called for the low bound expression.
3917 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3919 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3920 * c-typeck.c (c_common_type): Disallow operations on decimal float
3921 types and other float types.
3922 * convert.c (convert_to_real): Don't ignore conversions involving
3923 decimal float types.
3925 2006-06-23 Olivier Hainque <hainque@adacore.com>
3927 * tree.c (max_int_size_in_bytes): New function, inspired from
3928 code in function.c:assign_temp.
3929 * tree.h (max_int_size_in_bytes): Declare.
3930 * function.c (assign_temp): Use it.
3931 * gimplify.c (create_tmp_var): Relax the assertions on the type
3932 properties, not mandating constant size any more.
3933 (force_constant_size): New static function.
3934 (gimple_add_tmp_var): Use it, forcing variable size to a
3935 constant upper bound if it is not constant on entry.
3937 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3940 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3941 for initialization and setting of one_only flag to ...
3942 (i386_pe_encode_section_info): ...here.
3943 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3944 Recheck that the symbol has not been defined.
3946 2006-06-23 Richard Guenther <rguenther@suse.de>
3948 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3949 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3950 alignment requests instead. Add verification code.
3951 Add struct tree_function_decl and struct tree_binfo size to
3952 extra_order_size_table. Add missing element to size_lookup
3955 2006-06-22 Roger Sayle <roger@eyesopen.com>
3956 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3959 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3960 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3962 2006-06-23 Ben Elliston <bje@au.ibm.com>
3964 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3965 negate dn -- manipulate it directly.
3967 2006-06-22 Roger Sayle <roger@eyesopen.com>
3968 Steven Bosscher <stevenb.gcc@gmail.com>
3971 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3972 generated by gen_move_insn to add REG_LABEL notes if necessary.
3974 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3976 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3977 (leaf_entry): Remove use of MIN_ESA.
3979 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3981 PR rtl-optimization/28121
3982 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3985 2006-06-21 DJ Delorie <dj@redhat.com>
3987 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3989 (mulhisi3_r): Likewise.
3991 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3994 * coverage.c (coverage_counter_alloc): Leave the index type
3996 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3999 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
4001 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
4002 section from the "Options for Code Generation Conventions".
4004 2006-06-21 Richard Henderson <rth@redhat.com>
4008 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
4010 (global_symbolic_operand): Allow weak symbols, even if local_p.
4012 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
4014 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
4015 (find_interesting_uses_address): Punt if above function returns true.
4017 2006-06-21 Richard Guenther <rguenther@suse.de>
4019 * configure: Regenerated.
4021 2006-06-21 Joseph Myers <joseph@codesourcery.com>
4023 * config/mips/mips.c (function_arg): Where one part of a
4024 complex argument is in registers and the other part in the stack,
4025 return a REG not a PARALLEL.
4027 2006-06-21 Mark Mitchell <mark@codesourcery.com>
4029 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
4030 when cross-compiling. Do not substitute libstdcxx_incdir.
4031 * configure: Regenerated.
4033 2006-06-21 Jakub Jelinek <jakub@redhat.com>
4035 * varasm.c (mergeable_string_section): Check for embedded NULs and
4036 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
4037 rather than TREE_STRING_LENGTH bytes.
4039 2006-06-21 Richard Guenther <rguenther@suse.de>
4041 * ggc-page.c (extra_order_size_table): Add var_ann_d,
4042 tree_ssa_name, bitmap_element and phi_node with 4 arguments
4045 2006-06-21 Richrad Guenther <rguenther@suse.de>
4047 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
4048 Limit iteration over the dominators.
4050 2006-06-20 Roger Sayle <roger@eyesopen.com>
4052 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
4053 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
4055 2006-06-20 Richard Guenther <rguenther@suse.de>
4056 Michael Matz <matz@suse.de>
4058 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
4060 * alloc-pool.c (free_alloc_pool_if_empty): New function.
4061 * et-forest.h (et_free_pools): Prototype new function.
4062 * et-forest.c (et_free_tree_force): Free parent occurrence.
4063 (et_free_pools): New function.
4064 * dominance.c (free_dominance_info): Free et-forest alloc
4067 2006-06-20 Roger Sayle <roger@eyesopen.com>
4069 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
4070 integer modes, attempt to directly construct an integer constant.
4072 * fold-const.c (native_encode_vector): Determine the size of each
4073 element from the vector type instead of the first vector element.
4075 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
4076 if all of its elements/components are constant.
4077 (build_constructor_from_list): Likewise.
4079 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
4081 PR tree-optimization/27331
4082 * tree-data-ref.c (free_data_ref): New function.
4083 (create_data_ref): Fail if the data reference has unknown access
4085 (free_data_refs): Use free_data_ref.
4087 2006-06-19 Andrew Pinski <pinskia@gmail.com>
4090 * tree-inline.c (setup_one_parameter): Strip useless
4091 type conversion before adding it to the IR.
4092 (declare_return_variable): Likewise.
4094 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
4097 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
4099 2006-06-19 Mike Stump <mrs@apple.com>
4101 * tree.c (variably_modified_type_p): VM arguments don't make the
4104 2006-06-19 Richard Guenther <rguenther@suse.de>
4106 * tree-ssa-pre.c (try_combine_conversion): Strip useless
4107 type conversions after folding.
4109 2006-06-19 Richard Guenther <rguenther@suse.de>
4111 * ggc-page.c (extra_order_size_tab): Add entries with
4112 size of struct function and basic_block.
4113 (size_lookup): Extend to cover sizes up to 511.
4114 (ggc_alloc_stat): Adjust user.
4115 (ggc_pch_count_object): Likewise.
4116 (ggc_pch_alloc_object): Likewise.
4117 (ggc_pch_write_object): Likewise.
4119 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
4121 * tree-ssa-loop-niter.c (implies_ge_p): New function.
4122 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
4125 2006-06-19 Denis Chertykov <denisc@overta.ru>
4127 * config/avr/libgcc.S : Correct my wrong previous commit.
4129 2006-06-19 Roger Sayle <roger@eyesopen.com>
4132 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
4133 have stripped a SUBREG from the shift count, so we may need to
4134 convert_to_mode back to the type's mode before calling make_tree.
4135 Use new_amount instead of amount to avoid expanding a tree twice.
4137 2006-06-19 Richard Guenther <rguenther@suse.de>
4140 * fold-const.c (operand_equal_p): Check if the argument types
4141 have the same precision before stripping NOPs.
4143 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
4145 Fix PR tree-optimization/27341
4146 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
4148 * tree-complex.c (pass_lower_complex): Update SMT usage.
4150 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
4152 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
4153 Add a new alternative to the constraint strings. Add move of
4154 operand 1 to 3 to the splitter definition.
4155 ("doloop_si_long"): Second contraint alternative removed.
4157 2006-06-08 Anatoly Sokolov <aesok@post.ru>
4159 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
4160 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
4162 (AVR_HAVE_MOVW) Define.
4163 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
4164 (ASM_SPEC): Add avr25.
4165 (LINK_SPEC): Add avr25.
4166 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
4167 (base_arch_s): Add new member 'have_movw_lpmx'.
4168 (avr_arch_types): Init 'have_movw_lpmx'.
4169 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
4170 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
4171 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
4172 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
4173 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
4175 (avr_file_start): Do not output '.arh' derective.
4176 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
4177 (__do_copy_data): Use __AVR_HAVE_LPMX__.
4178 * config/avr/avr.md (mcu_enhanced): Delete.
4179 (mcu_have_movw): Define.
4180 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
4181 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
4182 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
4183 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
4184 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
4185 attiny861 and at86rf401 devices.
4187 2006-06-18 Jie Zhang <jie.zhang@analog.com>
4189 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
4192 2006-06-17 Karl Berry <karl@gnu.org>
4194 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
4195 doc/gccint.texi, doc/install.texi (@dircategory): Use
4196 "Software development" instead of "Programming", following
4197 the Free Software Directory.
4199 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
4201 * config/i386/i386.c (legitimate_tls_address)
4202 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
4203 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
4204 (*tls_dynamic_gnu2_combine_64): Likewise.
4206 2006-06-16 Richard Guenther <rguenther@suse.de>
4209 * fold-const.c (negate_expr_p): Do not introduce undefined
4210 overflow in negating INTEGER_CSTs.
4211 (fold_negate_expr): Rename from negate_expr. Revert last
4212 change for folding BIT_NOT_EXPR. Change semantics to
4213 return NULL_TREE for non-simplified negations. Do not
4214 strip type conversions and unify type handling.
4215 (negate_expr): New function, wrap around fold_negate_expr
4216 but ensure building a tree always. Strip type conversions
4217 here, fold to result type.
4218 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
4220 2006-06-16 Roger Sayle <roger@eyesopen.com>
4223 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
4224 that (would) return their results in stack registers.
4226 2006-06-16 Michael Matz <matz@suse.de>
4227 Richard Guenther <rguenther@suse.de>
4229 * fold-const.c (fold_truthop): Only return new tree node if
4230 we canonicalized something.
4232 2006-06-16 Richard Guenther <rguenther@suse.de>
4234 * function.h (enum function_frequency): Move declaration
4235 out of struct function.
4236 (struct function): Move bool fields and the enum to the bitfield
4237 section. Reorder elements to avoid padding. Remove unused
4238 fields left over from the RTL inliner removal.
4239 * function.c (free_after_compilation): Do not zero removed fields.
4240 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
4241 (ipa-type-escape.o): Likewise.
4243 2006-06-16 Richard Guenther <rguenther@suse.de>
4245 * cgraph.h (struct cgraph_local_info): Turn bool elements
4247 (struct cgraph_node): Likewise.
4248 (struct cgraph_varpool_node): Likewise.
4250 2006-06-15 Richard Guenther <rguenther@suse.de>
4252 * fold-const.c (fold_truth_not_expr): Rename from
4253 invert_truthvalue. Give it fold_* semantics to avoid
4255 (invert_truthvalue): New function. Wrapper around
4256 fold_truth_not_expr.
4257 (optimize_minmax_comparison): Avoid creating garbage.
4258 (fold_unary): Use fold_truth_not_expr for folding
4260 (fold_ternary): Replace uses of invert_truthvalue with
4261 fold_truth_not_expr where applicable.
4262 * tree.h (fold_truth_not_expr): Prototype.
4264 2006-06-16 Richard Guenther <rguenther@suse.de>
4266 PR tree-optimization/27781
4267 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
4268 * ipa-pure-const.c (target.h): Include.
4269 (analyze_function): Do not analyze functions that do not
4272 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
4275 * tree-dfa.c (referenced_vars_dup_list): Remove.
4276 (find_referenced_vars): Remove assert.
4277 (referenced_var_check_and_insert): Replace dup list with assert.
4278 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
4279 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
4281 2006-06-15 Richard Guenther <rguenther@suse.de>
4283 * tree-ssa-structalias.c (alias_get_name): Avoid creating
4284 extra unused identifiers if not dumping.
4285 (create_variable_info_for): Likewise.
4287 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
4289 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
4290 (derive_constant_upper_bound): Derive more precise upper bound in
4291 common cases. Return type changed to double_int.
4292 (record_estimate): Reflect the changed return type of
4293 derive_constant_upper_bound.
4294 * double-int.c (double_int_zext, double_int_sext): Fix.
4296 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
4298 * configure.ac (CFLAGS): Get them from the toplevel or from the
4299 configure invocation.
4300 * configure: Regenerate.
4301 * Makefile.in (CFLAGS): Substitute value provided by configure.
4303 2006-06-14 Mark Mitchell <mark@codesourcery.com>
4306 * c-common.h (c_finish_omp_atomic): Adjust declaration.
4307 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
4308 rather than calling add_stmt on it.
4309 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
4311 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
4314 * reload1.c (reload): Remove registers returned by update_eliminables
4315 from used_spill_regs.
4317 2006-06-13 DJ Delorie <dj@redhat.com>
4319 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
4321 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
4323 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
4324 html__strip_dir, html__mkdir_p. Enhance install-html target.
4325 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
4326 * configure: Regenerate.
4328 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
4330 * fold-const.c (fold_cond_expr_with_comparison): Check for
4331 Objective-C++ as language in deciding COND_EXPR transformation.
4333 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
4336 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
4337 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
4338 * config/sh/lib1funcs.h (SL, SL1): Define.
4339 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
4340 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
4341 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
4342 (OBJS_Os_4_200): New variable.
4343 ($(T)libgcc-Os-4-200.a): Use it.
4344 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
4345 when dividing 1 and/or by 0.
4347 2006-06-13 Roger Sayle <roger@eyesopen.com>
4349 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
4350 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
4351 * configure: Regenerate.
4353 2006-06-13 Jie Zhang <jie.zhang@analog.com>
4355 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
4356 for real instruction.
4358 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4361 * haifa-sched.c (check_cfg): Handle special case.
4363 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
4366 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
4367 Add debug_info parameter. Chain the vars to the BLOCK instead
4368 of the BIND_EXPR if debug info are requested for them.
4369 (pop_gimplify_context): Adjust for above change.
4370 (gimple_add_tmp_var): Likewise.
4371 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
4373 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
4374 (convert_local_reference): Likewise.
4375 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
4376 (finalize_nesting_tree_1): Request that debug info be emitted
4377 for debug_var_chain.
4379 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4381 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
4382 for PR target/27863.
4384 2006-06-13 Richard Guenther <rguenther@suse.de>
4387 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4389 2006-06-13 Richard Guenther <rguenther@suse.de>
4391 PR tree-optimization/27830
4392 * tree-inline.c (copy_body_r): For copying the operand
4393 of an ADDR_EXPR make sure to fold &* afterwards.
4395 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4397 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4398 lvalues in the fb_none case with side-effects.
4400 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4402 * tree-flow.h: Remove the prototype for
4403 compute_phi_arg_on_exit.
4404 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4405 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4408 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4410 * builtins.c (expand_builtin_return_addr): Only use
4411 frame_pointer_rtx when count == 0 and we are expanding
4412 __builtin_return_address.
4414 2006-06-12 Fred Fish <fnf@specifix.com>
4416 * config/mips/mips.c (mips_file_start): Create special section
4417 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4419 2006-06-11 Eric Christopher <echristo@apple.com>
4422 * stor-layout.c (place_field): Remove check for
4423 remaining_in_alignment when aligning at the end of a run.
4425 2006-06-11 Eric Christopher <echristo@apple.com>
4428 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4431 2006-06-11 Roger Sayle <roger@eyesopen.com>
4434 Revert incorrect fix for PR target/27158
4435 2006-05-08 Roger Sayle <roger@eyesopen.com>
4436 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4437 of a reg_equiv_constant if the result is a legitimate constant.
4439 2006-06-11 Roger Sayle <roger@eyesopen.com>
4442 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4443 extract a CONST_VECTOR element and interpret it as an integer.
4444 (vspltis_constant): Use const_vector_elt_as_int instead of the
4445 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4446 * config/rs6000/predicates.md (easy_vector_const): Consider
4447 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4449 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4452 * stor-layout.c (update_alignment_for_field): Don't add extra
4453 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4456 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4458 * config/mips/t-rtems: Add EL/EB multilib variants.
4460 2006-06-09 Mike Stump <mrs@apple.com>
4462 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4464 2006-06-09 David Daney <ddaney@avtrex.com>
4466 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4468 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4470 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4472 2006-06-09 Richard Guenther <rguenther@suse.de>
4474 PR tree-optimization/26998
4475 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4476 of signed types, only TYPE_MIN_VALUE is special, but for both,
4477 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4478 in this case, as is -fwrapv.
4480 2006-06-08 Mike Stump <mrs@apple.com>
4483 * config/darwin.c (darwin_asm_output_anchor): Disable
4484 -fsection-anchors on darwin for now.
4485 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4486 * rs6000/rs6000.c (optimization_options): Likewise.
4488 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4491 * config/i386/i386.c (classify_argument): Skip fields with invalid
4494 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4496 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4497 (cse_insn): Likewise for the stack_pointer_rtx.
4499 2006-06-08 Roger Sayle <roger@eyesopen.com>
4501 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4502 conditions from floating point comparisons.
4504 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4507 * expmed.c (struct alg_hash_entry): Fix type of field T
4508 to match synth_mult argument.
4509 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4511 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4514 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4517 2006-06-08 Richard Guenther <rguenther@suse.de>
4520 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4521 only, if overflow is defined and not trapping.
4522 (negate_expr): Likewise.
4524 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4526 PR tree-optimization/27872
4527 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4528 flag on the new exit edge of the unrolled loop.
4530 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4532 PR rtl-optimization/26449
4533 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4535 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4538 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4539 referenced_variables with matching DECL_UID's.
4540 (find_referenced_vars): Make sure duplicate list is empty to start.
4541 (referenced_var_p): Remove.
4542 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4543 Check if var is in the list, and add if needed. Update the duplicate
4544 list if a different var is in the list with the same DECL_UID.
4545 (add_referenced_var): Call routine to check and insert.
4546 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4547 * tree-flow.h (referenced_vars_dup_list): External declaration.
4549 2006-06-07 Fred Fish <fnf@specifix.com>
4551 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4554 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4557 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4558 the imaginary and real parts of a clobbered register.
4559 Emit insn to set the imaginary part.
4561 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4563 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4564 in lieu of unwind-dw2-fde.c.
4566 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4568 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4570 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4573 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4574 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4575 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4576 V4SImode temporaries and operations instead.
4578 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4580 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4583 2006-06-06 Mike Stump <mrs@apple.com>
4585 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4586 installing during build.
4588 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4590 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4592 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4593 * config/ia64/ia64.c (params.h): New header.
4594 (ia64_optimization_options): New function to adjust parameters.
4595 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4596 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4597 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4599 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4601 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4603 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4606 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4608 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4609 Victor Kaplansky <victork@il.ibm.com>
4611 PR tree-optimization/26360
4612 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4615 2006-06-04 Roger Sayle <roger@eyesopen.com>
4616 Andrew Pinski <pinskia@physics.uc.edu>
4619 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4620 for LABEL_DECL before calling DECL_WEAK.
4623 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4624 LABEL_DECL and PARM_DECL.
4626 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4630 * c-decl.c (grokdeclarator): Disallow variably modified types at
4631 file scope. Avoid marking shared array type of constant size as
4634 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4637 * c-common.c (fold_offsetof_1): Handle static members.
4639 2006-06-04 Eric Christopher <echristo@apple.com>
4641 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4642 (debug_rli): Output value for remaining_in_alignment.
4643 (update_alignment_for_field): Unconditionalize
4644 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4645 extra alignment code.
4646 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4647 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4648 * tree.h (record_layout_info_s): Remove prev_packed.
4649 * doc/extend.texi (ms_struct): Add documentation of format.
4651 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4653 * tree.h: Declare folding_initializer.
4654 * builtins.c (fold_builtin_constant_p): Give definite answer
4655 if folding inside an initializer.
4656 * fold-const.c: Define folding_initializer.
4657 (START_FOLD_INIT): Save and then set folding_initializer.
4658 (END_FOLD_INIT): Restore folding_initializer.
4660 2006-06-04 Richard Guenther <rguenther@suse.de>
4662 PR tree-optimization/27039
4663 * fold-const.c (fold_comparison): Handle pointer comparison
4664 again for all comparison codes. Compare offsets in signed
4666 (fold_binary): Move code from here.
4668 2006-06-03 Roger Sayle <roger@eyesopen.com>
4671 * config/i386/i386.c (construct_container): Split static issued_error
4672 flag into issued_sse_arg_error, issued_sse_ret_error and
4673 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4674 requires the use of x87 registers and the user explicitly
4675 specified the -mno-80387 command line option.
4677 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4679 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4680 HAVE_DECL_SIGALTSTACK.
4682 (segv_handler): Use MC_FLD.
4683 * configure.ac: Check for a sigaltstack declaration.
4684 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4685 * configure: Regenerate.
4686 * config.in: Regenerate.
4688 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4691 * Makefile.in (stmp-fixinc): Fix typo.
4693 2006-06-02 Roger Sayle <roger@eyesopen.com>
4695 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4696 are type correct. Clean-up.
4697 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4698 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4700 2006-06-01 DJ Delorie <dj@redhat.com>
4702 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4703 shift, as we've disabled the "switch" insn that needs it.
4705 2006-06-01 Per Bothner <bothner@bothner.com>
4707 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4708 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4709 * c-ppoutput.c (cb_define): Don't increment line 0.
4711 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4713 * doc/invoke.texi: Add cpu_type power6.
4714 * config.gcc: Add cpu_type power6.
4715 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4716 to power5+ with Altivec.
4717 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4718 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4720 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4722 * config/avr/avr.h (SET_ASM_OP): Define.
4724 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4726 * config/bfin/bfin.c: Fix comment typos.
4728 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4731 * doc/install.texi: Document --enable-bootstrap and
4732 --disable-bootstrap.
4734 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4736 * doc/install.texi: Document that InfoZIP can replace jar.
4738 2006-05-31 Roger Sayle <roger@eyesopen.com>
4740 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4741 isn't available, directly generate the simpler x87 patterns without
4742 the (use (const_int 0)).
4743 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4744 implementation isn't available.
4745 (*negdf2_1): Likewise.
4746 (*negxf2_1): XF mode negation is always done using the x87.
4747 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4749 2006-05-31 Roger Sayle <roger@eyesopen.com>
4751 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4752 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4754 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4756 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4758 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4759 * config/bfin/bfin.c (basic-block.h): Include.
4760 (struct machine_function): New.
4761 (bfin_init_machine_status): New.
4762 (override_options): Initialize init_machine_status.
4763 (bfin_hardware_loop): New.
4764 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4765 (DEF_VEC_P (loop_info)): New.
4766 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4767 (struct loop_info): New.
4768 (loop_info): New typedef.
4769 (struct loop_work): New.
4770 (loop_work): New typedef.
4771 (DEF_VEC_O (loop_work)): New.
4772 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4773 (bfin_dump_loops): New.
4774 (bfin_bb_in_loop): New.
4775 (bfin_scan_loop): New.
4776 (bfin_optimize_loop): New.
4777 (bfin_reorg_loops): New.
4778 (bfin_reorg): Use bfin_reorg_loops.
4779 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4781 (I_REGNO_P): Simplify.
4782 (DP_REGNO_P, DPREG_P): New macros.
4783 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4784 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4785 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4786 Add LT_REGS, LC_REGS, LB_REGS.
4787 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4789 (REGNO_REG_CLASS): Deal with loop registers.
4790 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4792 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4793 New constants for loop registers.
4794 (UNSPEC_LSETUP_END): New.
4795 (seq_insns): New define_attr. Set it for appropriate insns.
4796 (movsi_insn): Add alternatives for move from/to
4797 loop count registers.
4798 (doloop_end): New define_expand.
4799 (loop_end): New define_insn.
4800 (define_split for bad doloop_end): New.
4801 (lsetup_with_autoinit): New define_insn.
4802 (lsetup_without_autoinit): New define_insn.
4803 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4804 * config/bfin/predicates.md (lc_register_operand): New.
4805 (lt_register_operand): New.
4806 (lb_register_operand): New.
4807 (nondp_register_operand): New.
4808 (nondp_reg_or_memory_operand): New.
4809 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4811 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4813 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4814 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4816 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4818 * Makefile.in (CATALOGS): Add po/ prefix.
4819 * configure: Regenerated.
4821 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4824 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4825 a shift operand before calling shift_op. Avoid redundant call of
4828 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4829 DJ Delorie <dj@redhat.com>
4831 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4832 we're inserting is a singlt-bit constant.
4834 2006-05-30 Roger Sayle <roger@eyesopen.com>
4836 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4837 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4839 2006-05-30 Roger Sayle <roger@eyesopen.com>
4841 PR tree-optimization/23452
4842 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4843 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4844 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4845 complex values and with -ffast-math for FP complex values.
4847 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4849 * c-common.h: Remove the prototype for yyparse.
4850 * rtl.h: Remove the prototype for init_loop.
4852 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4854 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4857 2006-05-30 Roger Sayle <roger@eyesopen.com>
4859 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4861 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4862 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4864 2006-05-30 Dirk Mueller <dmueller@suse.de>
4867 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4868 for CONSTANT_CLASS_P expresisons.
4870 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4873 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4875 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4877 PR tree-optimization/27779
4878 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4879 initial_condition instead of CHREC_LEFT.
4881 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4883 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4884 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4885 Make prototypes ISO C90.
4887 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4888 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4890 * see.c (see_analyze_one_def): Correct check.
4891 (see_get_extension_data): Check if extension is parallel.
4892 (see_get_extension_reg): Likewise.
4894 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4897 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4898 into register for (code == GTU).
4900 2006-05-29 Roger Sayle <roger@eyesopen.com>
4902 PR tree-optimization/24964
4903 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4904 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4905 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4906 abs(x)*abs(x) as x*x for scalar floating point modes.
4908 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4911 * lambda-code.c (perfect_nestify): Don't copy statements
4912 in the inner loop: move them to the inner loop header.
4914 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4917 * c-tree.texi: Document OpenMP directives and clauses.
4919 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4921 * varasm.c (globalize_decl): Fix indentation.
4923 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4926 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4927 pass_fre, pass_store_ccp, pass_copy_prop,
4928 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4929 pass_return_slot, pass_object_size, pass_lim,
4930 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4931 pass_loop_prefetch and pass_stdarg.
4933 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4935 * config/bfin/bfin.opt (mfdpic): New option.
4936 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4937 (EXTRA_MULTILIB_PARTS): Likewise.
4938 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4939 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4941 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4942 (CRT_CALL_STATIC_FUNCTION): New.
4943 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4945 (CRT_CALL_STATIC_FUNCTION): New.
4946 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4948 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4949 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4950 (initialize_trampoline): Changed to handle FD-PIC code generation.
4951 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4952 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4953 (override_options): Disallow -mid-shared-library -mfdpic combination.
4954 Can't do unaligned ops if FD-PIC.
4955 Turn off flag_pic if trying to generate non-id-shared-library
4956 non-fdpic code, since it's not supported.
4957 (bfin_assemble_integer): New function.
4958 (TARGET_ASM_INTEGER): Define.
4959 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4961 * config/bfin/crtn.s: Restore them.
4962 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4964 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4965 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4966 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4967 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4968 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4970 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4971 FDPIC_REGS and FDPIC_FPTR_REGS.
4972 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4973 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4974 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4975 (load_funcdescsi): New pattern.
4976 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4977 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4978 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4980 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4982 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4985 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4987 * tree-flow.h: Remove the prototype for add_type_alias.
4988 * tree-ssa-alias.c (add_type_alias): Remove.
4990 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4992 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4993 config/fr30/fr30.md, config/i386/i386-interix.h,
4994 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4995 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4996 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4997 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4998 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4999 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
5000 Follow spelling conventions.
5001 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
5002 Follow spelling conventions.
5004 2006-05-27 Richard Guenther <rguenther@suse.de>
5007 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
5008 to produce a constant of value 1 of generic type.
5010 2006-05-27 Dirk Mueller <dmueller@suse.de>
5012 * cgraphunit.c (decide_is_function_needed): Fix wrong
5015 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
5017 PR rtl-optimization/27661
5018 * reload.c (find_reloads): When reloading a VOIDmode constant
5019 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
5020 use Pmode as mode of the reload register.
5022 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
5024 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
5025 is enabled at -O and above.
5027 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
5030 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
5033 2006-05-25 Mark Mitchell <mark@codesourcery.com>
5036 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
5037 for anonymous variables explicitly declared by front ends.
5039 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5041 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
5042 (struct alias_info): Add new field ref_all_symbol_mem_tag.
5043 * tree-ssa-alias.c (compute_may_aliases): If the program contains
5044 ref-all pointers, run a finalization pass for them.
5045 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
5046 (finalize_ref_all_pointers): New function.
5047 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
5048 regular pointer type to a ref-all pointer type.
5049 (get_tmt_for): Return the special memory tag for ref-all pointers.
5051 2006-05-25 Richard Guenther <rguenther@suse.de>
5054 * fold-const.c (fold_binary): Do not look at the stripped
5055 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
5057 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
5059 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
5060 for LT and GT if the computed range is effectively empty.
5062 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5065 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
5066 mips_quad_format formats instead of ieee_single_format,
5067 ieee_double_format and ieee_quad_format formats, respectively.
5069 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
5071 PR tree-optimization/27639
5072 PR tree-optimization/26719
5073 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
5074 call to scev_probably_wraps_p.
5075 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
5076 used_in_pointer_arithmetic_p, convert_step): Removed.
5077 (nowrap_type_p): New function.
5078 (scev_probably_wraps_p): Rewritten.
5079 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
5080 chrec_convert if chrec_convert_aggressive might have been used.
5081 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
5082 scev_direction): New functions.
5083 (chrec_convert): Changed to a wrapper over chrec_convert_1.
5084 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
5085 instead of convert_step.
5086 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
5087 (convert_step): Declaration removed.
5088 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
5090 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
5092 * df-core.c: Added to header comments.
5093 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
5094 df_ur_bb_info, df_urec_bb_info): Added comments.
5095 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
5096 urec, ri problems): Fixed header comments.
5097 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
5098 code from df_rd_transfer_function.
5100 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5102 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
5103 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
5104 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
5106 2006-05-23 Joseph Myers <joseph@codesourcery.com>
5108 * expr.c (undefined_operand_subword_p): New.
5109 (emit_move_multi_word): Do not generate move from undefined bits
5110 of a paradoxical subreg.
5112 2006-05-23 Richard Sandiford <richard@codesourcery.com>
5114 PR rtl-optimization/27736
5115 * combine.c (replaced_rhs_value): New variable.
5116 (combine_instructions): Set it.
5117 (distribute_notes): When distributing a note in replaced_rhs_insn,
5118 check whether the value was used in replaced_rhs_value.
5120 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
5123 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
5124 add_referenced_var instead of add_referenced_tmp_var.
5125 * tree-complex.c (create_one_component_var): Use add_referenced_var.
5126 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
5128 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
5129 tree_optimize_tail_calls_1): Use add_referenced_var.
5130 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
5131 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
5132 Use add_referenced_var.
5133 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
5134 * gimplify.c (force_gimple_operand): Use add_referenced_var.
5135 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
5136 Use add_referenced_var.
5137 * tree-dfa.c (struct walk_state): Remove.
5138 (find_referenced_vars): Remove walk state and vars_found hash table.
5139 (make_rename_temp): Use add_referenced_var.
5140 (find_vars_r): Pass less parameters to add_referenced_var.
5141 (referenced_var_p): New. Is var in referenced_var hash table.
5142 (referenced_var_insert): Assert var isn't already in hash table.
5143 (add_referenced_var): Don't need walk_state parameter. Add var if it
5144 isn't already in the hash table.
5145 (add_referenced_tmp_var): Remove.
5146 (find_new_referenced_vars_1): Use add_referenced_var.
5147 * tree-ssa-pre.c (create_expression_by_pieces,
5148 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
5149 Use add_referenced_var.
5150 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
5151 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
5152 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
5154 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
5155 vect_create_data_ref_ptr, vect_create_destination_var,
5156 vect_init_vector, vect_build_loop_niters,
5157 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
5158 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
5159 Use add_referenced_var.
5160 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
5161 * tree-flow.h (add_referenced_tmp_var): Remove prototype
5162 (add_referenced_var): Add prototype.
5163 * tree-ssa-structalias.c (get_constraint_for,
5164 intra_create_variable_infos): Use add_referenced_var.
5166 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
5168 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
5169 big-endian paradoxical subregs.
5170 * var-tracking.c (struct micro_operation_def): Document that,
5171 for modify micro operations, insn is the subsequent instruction.
5172 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
5173 (var_reg_set, var_mem_set): ... new functions.
5174 (add_stores): Record subsequent insn.
5175 (compute_bb_dataflow): Use new functions for MO_USE.
5176 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
5177 notes after the insn, and modify notes before the insn known
5178 to be the subsequent one.
5179 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
5181 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
5184 * config/i386/i386.c (ix86_expand_builtin): Use
5185 gen_sse3_monitor64 for TARGET_64BIT.
5187 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
5189 PR rtl-optimization/26375
5190 PR rtl-optimization/26855
5191 * df-problems (df_ru_bb_local_compute_process_def): Removed update
5193 (df_ru_bb_local_compute): Reversed statements and removed bogus
5194 comment explaining why they should be in wrong order.
5195 (df_ru_dump, df_rd_dump): Enhanced debug info.
5196 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
5198 * ddg.c (add_deps_for_def): Converted use of reaching defs to
5199 reaching uses and fixed space problem.
5201 2006-05-23 Jan Hubicka <jh@suse.cz>
5203 * cgraphunit.c (decide_is_function_needed): Also nested functions
5204 and functions declared inline can be optimized out at -O0.
5206 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
5208 * doc/install.texi (Configuration): Remove reference to CrossGCC
5212 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5215 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
5216 ix86_compare_emitted is non-NULL.
5218 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5221 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
5224 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5226 PR rtl-optimization/25514
5227 * combine.c (replaced_rhs_insn): New variable.
5228 (combine_instructions): Set replaced_rhs_insn when trying to replace
5229 a SET_SRC with a REG_EQUAL note.
5230 (distribute_notes): Use replaced_rhs_insn when determining the live
5231 range of a REG_DEAD register.
5233 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
5234 Anatoly Sokolov <aesok@post.ru>
5236 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
5237 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
5238 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
5239 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
5240 atmega3290, atmega649, atmega6490, atmega406, atmega640,
5241 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
5242 at90usb647, at90usb1286 and at90usb1287 devices.
5243 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
5244 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
5246 2006-05-22 Richard Sandiford <richard@codesourcery.com>
5248 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
5250 2006-05-22 Richard Guenther <rguenther@suse.de>
5253 2006-01-31 Richard Guenther <rguenther@suse.de>
5254 Paolo Bonzini <bonzini@gnu.org>
5256 * doc/install.texi (--disable-libgcc-math): Document.
5258 2006-05-22 Richard Guenther <rguenther@suse.de>
5261 2006-01-31 Richard Guenther <rguenther@suse.de>
5263 * doc/invoke.texi (-msselibm): Document.
5264 * target.h (expand_library_builtin): New target hook.
5265 * builtins.c (expand_builtin): Use expand_library_builtin.
5266 (default_expand_library_builtin): New function.
5267 * gcc.c (LINK_GCC_MATH_SPEC): Define.
5268 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
5269 (link_gcc_math_spec): Declare.
5270 (static_specs): Add link_gcc_math_spec.
5271 * expr.h (default_expand_library_builtin): Declare.
5272 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5273 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
5274 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
5275 * config/i386/i386.opt (msselibm): New target option.
5276 * config/i386/i386.c (ix86_builtin_function_variants): New array.
5277 (ix86_init_sse_abi_builtins): New function.
5278 (ix86_expand_library_builtin): Likewise.
5279 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
5280 (override_options): Handle error conditions wrt -msselibm.
5281 (ix86_builtins): Add function codes for SSE2 ABI builtins.
5282 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
5283 * doc/extend.texi (__builtin_sse2_*): Document new target specific
5286 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5289 * c-common.c (self_promoting_args_p): Skip erroneous args.
5292 * c-decl.c (finish_struct): Skip erroneous fields.
5294 2006-05-22 Nick Clifton <nickc@redhat.com>
5296 * config/cris/cris.opt (march): Remove VarExists attribute.
5297 (max-stackframe=): Likewise.
5299 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
5301 * doc/rtl.texi: Fix a typo.
5302 * see.c: Fix comment typos.
5304 * tree-ssa-structalias.h (alias_info): Remove num_references.
5306 2006-05-21 Mike Stump <mrs@apple.com>
5308 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
5310 (darwin_pragma_options): Use BAD instead.
5311 (darwin_pragma_unused): Likewise.
5312 (darwin_pragma_ms_struct): Likewise.
5314 2006-05-21 David Edelsohn <edelsohn@gnu.org>
5316 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
5318 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
5320 PR rtl-optimization/27671
5321 * simplify-rtx.c (simplify_relational_operation_1): Fix
5322 simplifications of (eq/ne (xor x y) y) and
5323 (eq/ne (xor x y) x).
5325 PR tree-optimization/26622.
5326 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
5329 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5331 * tree-cfg.c: Prune whitespace.
5332 (debug_tree_cfg): Point to correct header containing the
5335 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
5338 * cgraphunit.c (verify_cgraph_node): Typo in error message.
5340 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
5343 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
5344 or sorry count is non zero.
5346 2006-05-20 Andreas Schwab <schwab@suse.de>
5348 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
5350 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
5351 Kenneth Zadeck <zadeck@naturalbridge.com>
5353 PR rtl-optimization/26855
5355 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
5357 (df_scan_alloc): Added code to properly handle multiword hard
5358 registers and add all_blocks parameter.
5359 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
5360 code to properly handle multiword hard registers.
5361 (df_rescan_blocks): Added code to remove deleted blocks from
5363 (df_ref_create_structure, df_ref_record): Added code to properly
5365 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
5366 and set DF_REF_PARTIAL.
5367 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
5368 (df_uses_record): Added DF_REF_PARTIAL for subreg.
5369 (df_scan_add_problem): Added flags parameter.
5370 (df_ref_create_structure): Changed switching structure.
5371 (df_bb_refs_record): Fixed case where duplicate artificial refs
5372 were created. Changed location of flags.
5373 (df_record_entry_block_defs): Added code to make stack pointer
5374 live in entry block. Refined cases where frame pointer is needed.
5375 Changed location of flags.
5376 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
5377 (df_set_state): Removed function.
5378 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
5379 df_insn_create_insn_record, df_insn_refs_delete,
5380 df_ref_create_structure): Formatting changes.
5381 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
5382 df_delete_basic_block): New function.
5383 (df_init): Changed location of flags.
5384 (df_add_problem): Added flags parameter and the way flags are
5386 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5387 debug_df_chain): Improved debugging output.
5388 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5389 (df_refs_chain_dump): Removed df parameter.
5390 (df_iterative_dataflow): Added consistency check.
5391 (df_prune_to_subcfg): Made public.
5392 (df_analyze_problem): Added blocks_to_init parameter and made
5394 (df_ref_record, df_bb_refs_record, df_mark_reg,
5395 df_record_exit_block_uses): Whitespace changes.
5396 (df_dump): Whitespace changes.
5397 * df.h: Some reordering to remove forward references.
5398 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5399 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5400 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5401 (dataflow.flags): New field.
5402 (df.flag): Deleted field.
5403 (df_alloc_function): Added additional bitmap parameter.
5404 (df_dependent_problem_function): New type.
5405 (df_problem.changeable_flags): New field.
5406 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5407 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5408 (df_mw_hardreg): New struct.
5409 (DF_INSN_UID_MWS): New macro.
5410 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5412 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5413 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5414 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5415 (df_set_state): Removed function.
5416 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5417 * df-problems.c (df_chain_dump): Removed df parameter.
5418 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5419 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5421 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5422 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5423 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5424 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5425 DF_REF_MUST_CLOBBER cases.
5426 (df_ru_bb_local_compute_process_def,
5427 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5428 df_lr_bb_local_compute, df_ur_bb_local_compute,
5429 df_chain_create_bb): Made subreg aware.
5430 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5431 df_lr_bb_local_compute, df_lr_bb_local_compute,
5432 df_chain_create_bb): Cleanup to use proper macros.
5433 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5434 code to fixup bitvectors.
5435 (df_ri_alloc): Cleared lifetime.
5436 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5437 df_create_unused_note): New function.
5438 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5439 REG_DEAD and REG_UNUSED notes as well as register information.
5440 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5441 df_chains_dump): Fixed crash if problem was never run.
5442 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5443 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5444 df_ri_add_problem): Processes flags in uniform manner.
5445 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5446 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5447 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5448 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5449 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5450 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5451 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5452 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5453 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5454 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5455 * see.c (see_initialize_data): Ditto.
5456 * final.c (rest_of_clean_state) Added regstack_completed.
5457 * rtl.h (regstack_completed): Ditto.
5458 * reg-stack.c (regstack_completed): Ditto.
5460 2006-05-19 Mike Stump <mrs@apple.com>
5462 * c-tree.h (default_conversion): Remove.
5463 * c-common.h (default_conversion): Add.
5465 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5467 * tree-vrp.c (valid_value_p): New function.
5468 (adjust_range_with_scev): Fail if the value of bound is not
5471 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5473 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5474 (mips_fallback_frame_state): Use syscall numbers to determine
5475 the appropriate li instruction for the current ABI. Only use
5476 __NR_sigreturn for o32.
5478 2006-05-19 Nicolas Setton <setton@adacore.com>
5480 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5481 * langhooks.c (lhd_dwarf_name): New function.
5482 * langhooks-def.h (lhd_dwarf_name): Declare.
5483 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5484 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5485 * ada/misc.c (gnat_dwarf_name): New function.
5486 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5488 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5490 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5492 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5493 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5494 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5495 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5496 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5497 determine the size of Wtype, etc.
5498 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5499 (swfloatfuncs): New variable.
5500 (dwfloatfuncs): Likewise.
5501 (lib2funcs): Remove floating-point conversion functions from
5502 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5503 the set of conversion routines needed. Allow entries to specify
5504 an object name, filename and word size. Update users accordingly.
5505 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5506 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5510 2006-02-08 Roger Sayle <roger@eyesopen.com>
5513 * config/fixtfdi.c: New libgcc source file.
5514 * config/fixunstfdi.c: New source file.
5515 * config/floatditf.c: New source file.
5516 * config/floatunditf.c: New souce file.
5517 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5518 files above instead of config/mips/_tilib.c.
5519 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5521 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5523 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5524 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5526 2006-05-18 Mike Stump <mrs@apple.com>
5528 Fix up vla, vm and [*] sematics.
5534 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5535 (c_vla_unspec_p): Add.
5536 (c_vla_type_p): Add.
5537 * c-decl.c (struct c_scope): Add had_vla_unspec.
5538 (build_array_declarator): Add support for [*].
5539 (grokdeclarator): Likewise.
5540 (grokparms): Likewise.
5541 (get_parm_info): Likewise.
5542 * c-objc-common.c (c_vla_unspec_p): Likewise.
5543 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5544 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5545 typeof when argument is a variably modified type not inside sizeof or alignof.
5546 (c_parser_direct_declarator_inner): Propagate errors.
5547 (c_parser_sizeof_expression): Add support for [*].
5548 (c_parser_parms_declarator): Initialize had_vla_unspec.
5549 (c_parser_parms_list_declarator): Likewise.
5550 * c-typeck.c (c_vla_type_p): Add.
5551 (composite_type): Add support for vla compositing.
5552 (comptypes_internal): Add support for vla compatibility.
5553 (c_expr_sizeof_expr): Evaluate vla arguments.
5554 * tree.c (variably_modified_type_p): Update comment for [*].
5556 2006-05-18 Michael Matz <matz@suse.de>
5559 * config.host: Make assignments to host_xmake_file cumulative.
5560 * config.host (*-darwin*): Test $host, not $target.
5562 2006-05-12 Stuart Hastings <stuart@apple.com>
5564 * config/i386/i386.opt (-mstackrealign): New flag.
5565 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5566 (ix86_handle_cconv_attribute): Emit error when
5567 force_align_arg_pointer attribute collides with too many regparms.
5568 (ix86_function_regparm): Limit regparms when used with
5569 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5570 Support stack-realigning prologue in non-main functions. Emit
5571 warning for nested functions under -mstackrealign, emit error for
5572 nested functions with force_align_arg_pointer attribute.
5573 * doc/extend.texi (force_align_arg_pointer): Document it.
5574 * doc/invoke.texi (-mstackrealign): Document it.
5576 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5578 PR rtl-optimization/27477
5579 * combine.c (try_combine): Don't split a parallel consisting
5580 of two sets into two individual sets if both sets reference
5583 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5585 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5586 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5588 * doc/options.texi (VarExists): Updated.
5590 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5592 * unwind-dw2.c: Add declarations for uw_update_context and
5594 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5595 detected, advance frame state and context once to skip over stub.
5597 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5601 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5602 Call rewrite_into_loop_closed_ssa only when something changed.
5603 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5604 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5605 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5606 Test for perfect_nest_p here. Fix formating.
5607 (replace_uses_equiv_to_x_with_y): Fix formating.
5608 (stmt_uses_op): Removed.
5609 (can_convert_to_perfect_nest): Removed loopivs parameter.
5610 Complete the test by checking the scalar dependences.
5611 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5614 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5617 From Dan Kegel <dank@kegel.com>:
5618 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5620 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5622 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5623 if the element type is variably modified without recursing.
5625 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5628 * tree-loop-linear.c (try_interchange_loops): Test for
5629 no data dependences.
5631 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5633 PR tree-optimization/27548
5634 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5635 range of ssa names that appear on abnormal edges.
5636 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5637 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5639 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5642 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5644 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5647 * tree.h (OMP_PARALLEL_COMBINED): Define.
5648 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5649 (new_omp_context): Add is_combined_parallel argument.
5650 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5651 new_omp_context caller.
5652 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5653 Adjust gimplify_scan_omp_clauses callers.
5654 (omp_is_private): Issue errors if iteration variable is firstprivate
5655 or reduction in the current context.
5656 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5657 on combined parallel workshare constructs.
5659 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5661 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5662 (gcc-options.o): New rule.
5664 * optc-gen.awk: Protect variables for gcc-options.o with
5665 #ifdef GCC_DRIVER/#endif.
5667 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5669 Fix PR tree-optimization/27373
5670 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5671 (forward_propagate_addr_expr): Update call.
5673 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5675 * doc/options.texi: Move the Negative option.
5677 2006-05-16 Richard Guenther <rguenther@suse.de>
5679 PR tree-optimization/22303
5680 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5682 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5683 ccp_fold did not simplify the statement.
5685 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5688 * Makefile.in (GCC_OBJS): New.
5689 (OBJS-common): Add opts-common.o.
5690 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5691 (cpp$(exeext)): Likewise.
5692 (gcc.o): Also depend on opts.h.
5693 (opts-common.o): New.
5695 * common.opt (gcoff): Add Negative(gdwarf-2).
5696 (gdwarf-2): Add Negative(gstabs).
5697 (gstabs): Add Negative(gstabs+).
5698 (gstabs+): Add Negative(gvms).
5699 (gvms): Add Negative(gxcoff).
5700 (gxcoff): Add Negative(gxcoff+).
5701 (gxcoff+): Add Negative(gcoff).
5702 * config/i386/i386.opt (m32): Add Negative(m64).
5703 (m64): Add Negative(m32).
5705 * doc/options.texi: Document the Negative option.
5707 * gcc.c: Include "opts.h".
5708 (main): Call prune_options after expandargv.
5710 * optc-gen.awk: Generate common declarations for all flag
5711 variables in options.c. Output the neg_index field.
5713 * opts.c (find_opt): Moved to ...
5714 * opts-common.c: Here. New file.
5716 * opts.h (cl_option): Add a neg_index field.
5718 (prune_options): Likewise.
5720 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5723 * omp-low.c (expand_omp_parallel): Don't assert
5724 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5725 instead search for it.
5728 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5731 2006-05-16 Andreas Schwab <schwab@suse.de>
5733 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5736 2006-05-15 Roger Sayle <roger@eyesopen.com>
5739 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5740 integer constants other than zero are only legitimate on TARGET_64BIT.
5741 <CONST_VECTOR> Only zero vectors are legitimate.
5742 (ix86_cannot_force_const_mem): Integral and vector constants can
5743 always be put in the constant pool.
5745 2006-05-16 DJ Delorie <dj@redhat.com>
5747 * crtstuff.c (__dso_handle): Set section from
5748 TARGET_LBIGCC_SDATA_SECTION if defined.
5749 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5750 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5752 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5755 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5758 2006-05-16 Ben Elliston <bje@au.ibm.com>
5760 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5762 2006-05-15 Per Bothner <per@bothner.com>
5764 * tree.c: (last_annotated_node): Use source_locus typedef.
5765 This permits bootstrapping with --enable-mapped-location.
5767 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5769 PR tree-optimization/26830
5770 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5771 (info_for_ssa_name, current_info_for_ssa_name_age,
5772 blocks_to_update): New variables.
5773 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5774 (clear_ssa_name_info, initialize_flags_in_bb,
5775 mark_block_for_update): New functions.
5776 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5777 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5778 prepare_def_site_for): Use mark_block_for_update.
5779 (mark_def_interesting): Assert that the processed block is marked in
5780 blocks_to_update. Do not take blocks argument.
5781 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5783 (rewrite_update_init_block, rewrite_update_stmt): Only process
5784 blocks with statements to rewrite.
5785 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5786 (update_ssa): Initialize and free blocks_to_update. Do not
5787 clear flags on statements. Do not use blocks bitmap.
5788 * tree.h (SSA_NAME_AUX): Removed.
5789 (struct tree_ssa_name): Removed aux field.
5790 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5792 2006-05-15 Richard Guenther <rguenther@suse.de>
5794 PR tree-optimization/27603
5795 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5796 Do computations in original type.
5798 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5800 * see.c: Code style changes such as redundant paranthesis,
5801 redundant intialization of local variables etc.
5802 (see_main): Declared now as static.
5803 * doc/invoke.texi: Update that -fsee is not enabled by
5806 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5808 * omp-low.c (check_omp_nesting_restrictions): New function.
5809 (scan_omp_1): Call it.
5812 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5813 construct, return *VAR.
5815 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5817 PR rtl-optimization/27406
5818 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5821 2006-05-14 Roger Sayle <roger@eyesopen.com>
5823 PR rtl-optimization/27538
5824 * combine.c (expand_compound_operation): Call gen_lowpart
5825 before calling simplify_shift_const.
5827 2006-05-14 Roger Sayle <roger@eyesopen.com>
5829 PR rtl-optimization/22563
5830 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5831 a fixed width bitfield, always force the intermediates into psuedos.
5833 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5836 * mkconfig.sh: Use operator = instead of == for test.
5838 2006-05-13 Nick Clifton <nickc@redhat.com>
5840 * dwarf2out.c (dbx_reg_number): Check return value from
5841 LEAF_REG_REMAP and only use it if it is valid.
5842 (multiple_reg_loc_descriptor): Likewise.
5844 2006-05-13 Richard Guenther <rguenther@suse.de>
5846 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5849 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5851 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5852 information attached to non-INSNs such as NOTEs.
5853 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5855 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5857 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5859 * config/s390/s390.md: Adjust comment describing On constraint.
5861 2006-05-11 Jan Hubicka <jh@suse.cz>
5863 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5864 to be output at -O0.
5866 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5869 * fold-const.c (size_binop): Move sanity check for arguments to
5870 the beginning of the function.
5873 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5876 2006-05-11 Richard Guenther <rguenther@suse.de>
5879 * fold-const.c (fold_unary): Handle intermediate conversion
5880 to a pointer type like intermediate conversion to an integer
5881 type in folding of (T1)(T2)var to var.
5882 Match the code to the comment in the final conversion for
5883 (T1)(T2)var to (T1)var regarding to type precision. Rather
5884 than disallow T1 being of pointer type, assert that both T1
5885 and var are of pointer type or not. Make sure not to fall
5886 over the frontends lazyness wrt array to pointer decay though.
5888 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5890 * arm.c (arm_struct_value_rtx): Delete.
5891 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5892 (arm_init_cumulative_args): Always initialize nregs to zero.
5894 2006-05-10 Richard Guenther <rguenther@suse.de>
5896 PR tree-optimization/27532
5897 * tree-object-size.c (plus_expr_object_size): Fix typo.
5899 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5902 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5903 ashrdi_const, ashrdi3): Use a scratch register.
5905 2006-05-10 Richard Guenther <rguenther@suse.de>
5907 PR tree-optimization/27302
5908 * fold-const.c (operand_equal_p): For two comparisons,
5909 try comparison of one comparison code swapped if that yields
5912 2006-05-10 Ben Elliston <bje@au.ibm.com>
5914 * tree-pretty-print.c (pretty_print_string): No need to handle
5915 '\0' as a special character.
5917 * tree.h: Include "hashtab.h".
5918 (iterative_hash_expr): Use hashval_t in its prototype.
5919 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5921 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5924 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5925 (hppa*64*-*-hpux11*): Ditto.
5926 (hppa[12]*-*-hpux11*): Ditto.
5928 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5931 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5933 2006-05-09 Michael Matz <matz@suse.de>
5935 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5936 host_extra_gcc_objs and host_xmake_file.
5937 (<*-*-linux*>): Don't overwrite host_xmake_file.
5938 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5939 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5940 (host_detect_local_cpu): Declare.
5941 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5942 * config/i386/i386.c (override_options): Handle -mtune=native
5944 * config/i386/x-i386: New file.
5945 * config/i386/driver-i386.c: New file.
5946 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5949 2006-05-09 Dirk Mueller <dmueller@suse.de>
5950 Richard Guenther <rguenther@suse.de>
5953 * fold-const.c (fold_read_from_constant_string): Relax check
5954 for matching types to matching modes.
5956 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5958 PR rtl-optimization/27335
5959 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5962 2006-05-08 Chao-ying Fu <fu@mips.com>
5963 Richard Sandiford <richard@codesourcery.com>
5965 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5966 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5967 * config/mips/mips.md (UNSPEC_SCC): New constant.
5968 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5969 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5970 (mips_emit_compare): Use it.
5971 (mips_expand_vcondv2sf): New function.
5973 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5975 Fix PR tree-optimization/27093
5976 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5977 renaming when they become not-used_alone.
5979 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5981 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5982 relocation and relocation stubs.
5984 2006-05-08 Eric Christopher <echristo@apple.com>
5986 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5989 2006-05-08 Jan Hubicka <jh@suse.cz>
5992 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5993 unused static functions are needed.
5995 2006-05-08 Roger Sayle <roger@eyesopen.com>
5998 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5999 of a reg_equiv_constant if the result is a legitimate constant.
6001 2006-05-08 Uros Bizjak <uros@kss-loka.si>
6004 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
6005 standard 80387 constants, raise the cost to prevent
6006 compress_float_constant() to generate load from memory.
6008 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
6010 * config/arm/constraints.md (c): Fix a typo.
6012 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
6015 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
6018 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
6020 (_mm_mwait): Likewise.
6022 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
6024 (sse3_monitor): Make it 32bit only.
6025 (sse3_monitor64): New. 64bit monitor.
6027 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6030 * config/i386/i386.c (classify_argument): Skip fields with invalid
6033 2006-05-07 Richard Guenther <rguenther@suse.de>
6035 PR tree-optimization/27409
6036 * tree-ssa-structalias.c (get_constraint_for_component_ref):
6037 Do not try to find zero-sized subvars.
6039 2006-05-07 Richard Guenther <rguenther@suse.de>
6041 PR tree-optimization/27136
6042 * tree-ssa-loop-niter.c (get_val_for): Correct function
6043 comment, assert requirements.
6044 (loop_niter_by_eval): Stop processing if the iterated
6045 value did not simplify.
6047 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
6049 * opts.c (flag_see): remove its setting at -O3.
6051 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
6053 * genpeep.c (main): Make insn-peep.c depend on flags.h.
6054 * arm/constraints.md: New file.
6055 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
6056 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
6057 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
6058 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
6059 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
6060 (EXTRA_MEMORY_CONSTRAINT): Likewise.
6061 * arm.md: Include constraints.md.
6062 (thumb_movsi_insn): Use satisfies_constraint_J.
6063 (movhi, movqi): Use satisfies_constraint_I.
6065 2006-04-29 Anatoly Sokolov <aesok@post.ru>
6067 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
6068 for atmeg a645 device.
6070 2006-05-06 Richard Guenther <rguenther@suse.de>
6072 PR tree-optimization/27151
6073 * tree-vect-transform.c (vectorizable_condition): Punt on
6074 values that have a different type than the condition.
6076 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
6079 * c-parser.c (c_parser_cast_expression): Only insert casts into
6080 hash table if pointer.
6081 * function.c (used_types_insert_helper): Rename from
6083 (used_types_insert): Call used_types_insert_helper.
6084 * function.h (used_types_insert): Accept only one argument.
6086 2006-05-05 David Edelsohn <edesohn@gnu.org>
6088 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
6089 scratch with output modifier.
6091 2006-05-04 David Edelsohn <edelsohn@gnu.org>
6094 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
6095 with output modifier.
6097 2006-05-04 Richard Sandiford <richard@codesourcery.com>
6100 * config/mips/mips.c (mips_symbolic_address_p): Return true
6101 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
6102 SYMBOL_GOTTPREL, and SYMBOL_TLS.
6104 2006-05-04 Richard Guenther <rguenther@suse.de>
6106 PR tree-optimization/14287
6107 PR tree-optimization/14844
6108 PR tree-optimization/19792
6109 PR tree-optimization/21608
6110 PR tree-optimization/27090
6111 * tree-ssa-pre.c (try_combine_conversion): New function.
6112 (compute_avail): After constructing the value-handle
6113 expression, use try_combine_conversion to combine NOP_EXPRs
6114 with previous value-handle expressions and use the result if it
6117 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
6119 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
6121 2006-05-04 Jan Hubicka <jh@suse.cz>
6124 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
6126 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
6128 * config/bfin/predicates.md (const01_rtx): Tell generator programs
6129 that this only matches CONST_INTs. All users changed to VOIDmode
6132 * config/bfin/bfin.c: Include "optabs.h".
6133 (bfin_rtx_costs): Some costs for vector operations, to allow combine
6135 (enum bfin_builtins): Add a number of fractional and vector builtins.
6136 (bfin_init_builtins): Likewise.
6137 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
6138 (safe_vector_operand, bfin_expand_binop_builtin,
6139 bfin_expand_unop_builtin): New functions.
6140 (bfin_expand_builtin): Handle the new builtins.
6141 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
6144 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
6147 * Makefile.in (OBJS-common): Add see.o.
6148 (see.o): Add dependencies.
6149 * common.opt (fsee): New flag for the see optimization was added.
6150 * opts.c (flag_see): Initialized.
6151 * passes.c (init_optimization_passes, pass_see): New pass.
6152 * rtl.h (see_main): Declaration as extern.
6153 * timevar.def (TV_SEE): New.
6154 * tree-pass.h (pass_see): Declaration as extern.
6155 * invoke.texi (-fsee): Document.
6156 * recog.c (validate_simplify_insn): New function.
6157 * recog.h (validate_simplify_insn): Declaration as extern.
6158 * df-problems.c (df_chain_dump): Check for NULL.
6160 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
6161 Daniel Berlin <dberlin@dberlin.org>
6163 * cfgrtl.c (insert_insn_bb_end_new): New function.
6164 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
6166 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
6168 * df.h (struct web_entry): Moved from web.c.
6169 (union_defs): Declaration as extern.
6170 (unionfind_root): Likewise.
6171 (unionfind_union): Likewise.
6172 * web.c (struct web_entry): Moved to df.h.
6173 (unionfind_root): Remove static declaration.
6174 (unionfind_union): Likewise.
6175 (union_defs): Likewise and generalize to use callback function.
6176 (web_main): Update arguments for union_defs function call.
6178 2006-05-04 Richard Guenther <rguenther@suse.de>
6180 PR tree-optimization/26447
6181 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
6182 produce SSA_NAME copies before the store stmt to avoid
6183 breaking exception handling.
6185 2006-05-04 Jakub Jelinek <jakub@redhat.com>
6188 * gimplify.c (omp_is_private): If var is shared in some outer context,
6189 return false instead of true. Stop searching on parallel context
6192 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
6195 * coverage.c: Use get_gcov_unsigned_t() instead of
6196 unsigned_type_node all over.
6198 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
6200 PR tree-optimization/27381
6201 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
6202 maintain the same immediate_use links.
6203 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
6204 node rather than segfaulting.
6206 2006-05-03 Jakub Jelinek <jakub@redhat.com>
6209 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
6210 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
6211 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
6213 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
6215 Fix PR tree-optimization/26626
6216 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
6218 * tree-ssa-operands.c (access_can_touch_variable): Allow
6219 typecasting through union pointers.
6221 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6224 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
6225 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
6226 to find if var will be a global variable even in the nested context.
6227 (omp_copy_decl): Only check for global variable at the end, it might
6228 be overridden in outer contexts.
6229 (scan_sharing_clauses): For global variables don't create a field.
6230 (lower_rec_input_clauses): Do nothing for global shared variables.
6231 Emit a barrier at the end of ILIST if there were any decls in both
6232 firstprivate and lastprivate clauses.
6233 (lower_send_clauses): Do nothing for global variables except for
6236 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
6238 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
6239 of the correct signedness is returned.
6241 2006-05-02 Jeff Law <law@redhat.com>
6243 PR tree-optimization/27364
6244 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
6245 multiply expressions.
6247 2006-05-02 Tom Tromey <tromey@redhat.com>
6249 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
6251 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
6254 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
6255 -mthumb -fPIC are used.
6257 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
6258 Joshua Kinard <kumba@gentoo.org>
6261 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
6262 with 64-bit pointers.
6264 2006-05-02 Paul Brook <paul@codesourcery.com>
6266 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
6268 (create_fix_barrier): Check that a suitable barrier location is
6270 (arm_reorg): Include ftmp->address in allowable range of addresses.
6272 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
6275 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
6278 2006-05-02 Jakub Jelinek <jakub@redhat.com>
6281 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
6282 around RESULT_DECL for result passed by reference.
6283 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
6284 * omp-low.c (use_pointer_for_field): Don't look at
6285 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
6286 (scan_omp_1): Call remap_decl on RESULT_DECLs.
6287 (lower_rec_input_clauses): Don't allocate VLA memory for the second
6288 time or var for passing by reference for
6289 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
6290 TREE_ADDRESSABLE variables when passing by reference.
6292 * omp-low.c (dump_omp_region): Fix output formatting.
6295 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
6296 (expand_omp_parallel): Likewise.
6297 * tree-cfg.c (move_sese_region_to_fn): Likewise.
6300 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
6301 on statement list containing also constructors and destructors.
6302 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
6305 * except.c (duplicate_eh_regions): Fix clearing of
6306 cfun->eh->region_array entries.
6308 2006-05-01 DJ Delorie <dj@redhat.com>
6310 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
6312 (gcc_cv_objdump): Likewise.
6313 * configure: Regenerated.
6315 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
6318 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
6319 templates for case 3 and 4.
6321 2006-05-01 DJ Delorie <dj@redhat.com>
6323 * vec.c: Include bconfig.h when appropriate.
6324 * Makefile.in (build/vec.o): Adjust dependencies.
6325 * mkconfig.sh: Make sure config.h isn't used for build machine
6328 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6330 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
6332 (mark_phi_for_rewrite): New function.
6333 (insert_phi_nodes_for, mark_use_interesting): Call
6334 mark_phi_for_rewrite.
6335 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
6336 (update_ssa): Initialize and free phis_to_rewrite.
6338 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6340 PR rtl-optimization/27291
6341 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
6342 folded to a constant.
6344 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6346 PR tree-optimization/27283
6347 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
6348 not whole # of iteration descriptions.
6349 (niter_for_exit): Return just # of iterations. Fail if # of iterations
6350 uses abnormal ssa name.
6351 (niter_for_single_dom_exit): Ditto.
6352 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
6353 return just the number of iterations.
6355 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
6357 PR tree-optimization/27144
6358 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
6359 (record_estimate): Only record constant upper bound.
6360 (infer_loop_bounds_from_undefined): Call
6361 compute_estimated_nb_iterations just once.
6362 (proved_non_wrapping_p): Renamed to ...
6363 (n_of_executions_at_most): ... this. Expect bound to be a constant.
6364 (convert_step_widening, scev_probably_wraps_p): Call
6365 n_of_executions_at_most instead of proved_non_wrapping_p.
6366 (substitute_in_loop_info): Do not replace values in bounds.
6367 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
6370 2006-05-01 Richard Henderson <rth@redhat.com>
6373 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
6374 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
6377 2006-05-01 Roger Sayle <roger@eyesopen.com>
6379 * c-typeck.c (parser_build_binary_op): Don't call the function
6380 unsigned_conversion_warning to spot operand/result type overflow.
6381 (build_binary_op): Instead, call convert_and_check instead of
6382 convert to report the problem when the operands are promoted.
6383 * c-common.c (unsigned_conversion_warning): Make static.
6384 * c-common.h (unsigned_conversion_warning): Delete prototype.
6386 2006-05-01 Richard Guenther <rguenther@suse.de>
6388 PR tree-optimization/26726
6389 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6391 (find_interesting_uses_address): ... we work around here
6392 by folding INDIRECT_REFs in the substituted base.
6394 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6396 * omp-low.c (dump_omp_region): Add newlines.
6398 2006-04-30 Roger Sayle <roger@eyesopen.com>
6400 * common.opt (Woverflow): New command line option.
6401 * c-common.c (constant_expression_warning): Check warn_overflow.
6402 (overflow_waring): Pass OPT_Woverflow to warning.
6403 (unsigned_conversion_warning): Likewise.
6404 (convert_and_check): Likewise.
6405 * doc/invoke.texi: Document new command line option.
6407 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6409 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6410 TARGET_NO_FP_IN_TOC for section anchors.
6411 (optimization_options): Enable section anchors for all
6412 non-"Objective" languages.
6414 2006-04-28 Eric Christopher <echristo@apple.com>
6416 * config/darwin-c.c (darwin_ms_struct): Move this
6417 (darwin_set_default_type_attributes): and this...
6418 * config/darwin.c: ... here.
6419 * config/darwin.h (darwin_ms_struct): Declare.
6421 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6423 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6425 2006-04-28 Roger Sayle <roger@eyesopen.com>
6428 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6429 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6430 an unsigned HOST_WIDE_INT.
6431 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6433 (really_start_incremental_init): No need to call convert because
6434 bitsize_zero_node is already of type bitsizetype.
6435 (push_init_level): Extract the value of constructor_index as an
6436 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6437 (process_init_element): Likewise.
6439 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6441 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6442 value before passing to make_relative_prefix.
6444 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6447 * builtins.c (expand_builtin_memset): Expand val in original mode.
6449 2006-04-27 Eric Christopher <echristo@apple.com>
6451 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6452 with #ifndef/#endif.
6453 * config/darwin-c.c (darwin_ms_struct): New.
6454 (darwin_pragma_ms_struct): Ditto.
6455 (darwin_set_default_type_attributes): Ditto.
6456 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6457 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6458 Register ms_struct pragma.
6459 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6460 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6461 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6462 darwin_set_default_type_attributes if TARGET_MACHO.
6464 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6466 PR tree-optimization/26854
6467 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6468 * doc/tree-ssa.texi: Update immuse iterator documentation.
6469 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6470 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6471 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6472 first_safe_imm_use, next_safe_imm_use): Remove.
6473 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6474 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6475 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6476 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6477 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6478 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6479 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6480 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6481 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6482 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6483 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6484 (perfect_nestify): Use new iterator.
6485 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6487 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6488 (next_imm_name): New field in struct immediate_use_iterator_d.
6489 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6490 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6491 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6492 * tree-cfg.c (replace_uses_by): Use new iterator.
6493 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6494 * tree-ssa-operands.c (correct_use_link): Remove.
6495 (finalize_ssa_use_ops): No longer call correct_use_link.
6497 2006-04-27 Stuart Hastings <stuart@apple.com>
6499 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6500 * config/t-darwin (crt3.o): Use it.
6501 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6502 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6503 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6504 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6505 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6508 2006-04-27 Roger Sayle <roger@eyesopen.com>
6510 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6511 size, force the intermediate into a new pseudo rather instead of
6512 performing both a bitwise AND and a bitwise IOR in memory.
6514 2006-04-27 Richard Guenther <rguenther@suse.de>
6516 PR rtl-optimization/26685
6517 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6518 this one "max-flow-memory-locations".
6520 2006-04-27 Richard Guenther <rguenther@suse.de>
6522 PR tree-optimization/25148
6523 * tree-vrp.c (compare_values): Remove code dealing with
6524 comparisons against type min/max value. Honour overflow
6525 and negative constants in code dealing with comparisons
6526 of plus and minus expressions.
6527 (value_inside_range): Use fold_binary with LE_EXPR and
6528 GE_EXPR rather than compare_values.
6530 2006-04-27 Dirk Mueller <dmueller@suse.de>
6532 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6535 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6537 * basic-block.h (safe_insert_insn_on_edge): Removed.
6538 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6540 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6541 Paolo Bonzini <bonzini@gnu.org>
6544 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6545 (simplify_and_const_int): Same.
6547 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6549 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6551 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6554 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6555 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6556 cgraph_global_info_ready.
6559 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6562 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6563 either decl or init is error_mark_node.
6566 * tree-flow.h (struct omp_region): Add sched_kind.
6567 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6568 instead of extracting omp for data.
6569 (expand_omp_for): Save extracted sched_kind.
6571 2006-04-25 Roger Sayle <roger@eyesopen.com>
6573 * expmed.c (store_bit_field): Also check whether the bitsize is
6574 valid for the machine's "insv" instruction before moving the
6575 target into a pseudo for use with the insv.
6576 * config/i386/predicates.md (const8_operand): New predicate.
6577 * config/i386/i386.md (extv, extzv, insv): Use the new
6578 const8_operand predicate where appropriate.
6580 2006-04-25 DJ Delorie <dj@redhat.com>
6582 * doc/install.texi (Specific): Clarify that this is not a list of
6583 supported hosts or targets.
6585 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6587 PR rtl-optimization/26725
6588 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6589 block's BB_DIRTY flag.
6591 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6593 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6596 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6597 to print an integer.
6599 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6601 * varasm.c (align_variable): New function.
6602 (get_block_for_decl): Apply align_variable to DECL before
6603 calculating section information.
6604 (assemble_variable): Split out alignment computation.
6606 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6608 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6611 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6613 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6614 MODE_PARTIAL_INT mode.
6615 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6616 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6618 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6619 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6621 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6623 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6625 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6626 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6627 MACFLAG_IH): Likewise.
6628 (movstricthi_1): Renamed from "*movstricthi".
6629 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6630 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6631 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6632 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6633 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6634 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6635 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6636 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6637 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6638 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6639 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6640 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6641 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6642 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6643 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6645 * doc/rtl.texi (ss_ashift): Improve wording.
6647 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6649 * dwarf2out.c (verify_marks_clear): New.
6650 (prune_unused_types): Call verify_marks_clear initially, not
6653 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6655 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6656 * doc/rtl.texi: Document them.
6657 * simplify-rtx.c (simplify_unary_operation,
6658 simplify_binary_operation_1): Don't abort when we see them.
6660 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6663 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6664 * configure.ac: Completely disregard languages that are not
6666 * configure: Regenerated.
6668 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6669 Richard Guenther <rguenther@suse.de>
6671 PR tree-optimization/27236
6672 * tree-inline.c (copy_body_r): Make sure to copy
6673 TREE_THIS_VOLATILE flag.
6675 2006-04-24 Richard Guenther <rguenther@suse.de>
6678 * tree-complex.c (update_parameter_components): Don't handle
6679 unused parameters which have no default def.
6681 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6682 Richard Guenther <rguenther@suse.de>
6684 PR tree-optimization/27218
6685 * tree-inline.c (expand_call_inline): Strip useless type
6686 conversions for the return slot address.
6688 2006-04-24 Richard Guenther <rguenther@suse.de>
6690 * cfgloop.h (struct loops): Remove unused field array. Reorder
6692 (LOOP_PREFETCH): Remove.
6694 2006-04-24 Richard Guenther <rguenther@suse.de>
6696 PR tree-optimization/22525
6697 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6698 variable, adjust types of generated expressions.
6700 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6702 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6703 (tree-vect-patterns.o): Likewise.
6705 (cselib.o): Likewise.
6706 (loop-doloop.o): Likewise.
6707 (regclass.o): Likewise.
6708 (reload1.o): Likewise.
6709 (explow.o): Replace target.h with $(TARGET_H).
6710 (ipa-prop.o): Likewise.
6711 (ipa-cp.o): Likewise.
6712 (ipa-inline.o): Likewise.
6713 (reorg.o): Likewise.
6714 (reg-stack.o): Likewise.
6716 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6718 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6720 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6722 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6724 * configure.ac: Completely disregard languages that are not
6726 * configure: Regenerated.
6729 * c-common.h (c_build_bitfield_integer_type): Declare.
6730 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6731 * c-common.c (c_build_bitfield_integer_type): ... here.
6733 2006-04-23 Roger Sayle <roger@eyesopen.com>
6736 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6737 a SImode SUBREG of a floating point register after no_new_pseudos.
6739 2006-04-23 Roger Sayle <roger@eyesopen.com>
6741 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6742 identify potentially eliminable registers to additionally catch
6743 VIRTUAL_INCOMING_ARGS_REGNUM.
6744 (addsi3): Update the conditions on when to use addsi_small_int.
6746 2006-04-23 Roger Sayle <roger@eyesopen.com>
6749 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6750 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6751 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6753 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6755 * fold-const.c (range_predecessor): Use operand_equal_p
6756 as the predicate for equality.
6757 (range_successor): Likewise.
6759 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6762 * config/soft-fp/op-common.h: Fix a typo.
6764 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6767 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6768 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6770 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6772 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6774 * doc/tm.texi: Fix a typo.
6776 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6778 * dwarf2out.c (struct die_struct): Document that die_sib makes
6779 a circular linked list.
6780 (FOR_EACH_CHILD): New.
6781 (reverse_die_lists): Delete.
6782 (reverse_all_dies): Delete.
6783 (add_dwarf_attr): Correct documentation.
6784 (remove_child_with_prev): New.
6785 (remove_child_TAG): Update for change to die_struct, use
6786 remove_child_with_prev.
6787 (add_child_die): Update for change to die_struct.
6788 (splice_child_die): Use remove_child_with_prev and add_child_die.
6789 (print_die): Use FOR_EACH_CHILD.
6790 (die_checksum): Likewise.
6791 (assign_symbol_names): Likewise.
6792 (output_location_lists): Likewise.
6793 (build_abbrev_table): Likewise.
6794 (calc_die_sizes): Likewise.
6795 (mark_dies): Likewise.
6796 (unmark_dies): Likewise.
6797 (unmark_all_dies): Likewise.
6798 (output_die): Likewise.
6799 (prune_unused_types_mark): Likewise.
6800 (prune_unused_types_walk): Likewise.
6801 (same_die_p): Update for change to die_struct.
6802 (break_out_includes): Likewise.
6803 (prune_unused_types_prune): Likewise.
6804 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6805 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6807 (dwarf2out_finish): Don't call reverse_all_dies.
6809 2006-04-21 Eric Christopher <echristo@apple.com>
6811 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6812 in comments and function names.
6814 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6817 * c-typeck.c (digest_init): Robustify.
6819 * c-typeck.c (pop_init_level): Simplify.
6821 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6823 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6825 2006-04-21 Paul Brook <paul@codesourcery.com>
6827 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6828 hardware floating point.
6830 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6832 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6835 2006-04-21 Nick Clifton <nickc@redhat.com>
6837 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6840 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6843 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6844 C++ lang type in traceback table for Objective-C++.
6846 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6848 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6850 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6852 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6855 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6856 were errors. Remove check for erroneous objects.
6858 2006-04-20 Jeff Law <law@redhat.com>
6860 PR tree-optimization/26854
6861 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6862 checking for zero or one use.
6863 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6864 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6865 * tree-ssa-reassoc.c (negate_value): Similarly.
6866 (reassociate_bb): Similarly.
6868 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6870 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6871 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6872 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6874 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6876 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6877 fp regs if the last fp arg doesn't fit in regs.
6879 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6882 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6883 that the last insn has the REG_INC note.
6885 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6886 Nathan Sidwell <nathan@codesourcery.com>
6889 * stor-layout.c (update_alignment_for_field): Do not align
6891 (place_union_field): Place union field at the start of the union.
6892 (place_field): Move ERROR_MARK check later, and use the current
6893 allocation position to maintain monotonicity.
6895 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6897 * dominance.c: Include timevar.h.
6898 (calculate_dominance_info): Use TV_DOMINANCE.
6899 * timevar.def (TV_DOMINANCE): New timevar.
6900 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6902 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6904 PR rtl-optimization/14261
6905 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6906 move would be an INSV insn.
6907 (noce_process_if_block): Don't optimize if the destination is a
6908 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6910 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6912 * config/s390/s390.md: Add comments with the instructions emitted
6913 by an insn pattern if macros are used.
6915 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6917 PR rtl-optimization/26026
6918 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6919 is a known power of two shifted left a variable amount.
6921 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6923 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6924 to hash table twice when the debug_str section has SECTION_MERGE.
6926 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6928 * config/soft-fp: New directory. From glibc.
6929 * config/soft-fp/t-softfp: New.
6930 * config/soft-fp/README: New.
6931 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6932 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6933 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6934 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6935 * config.gcc: Use rs6000/t-fprules-fpbit or
6936 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6938 * config/rs6000/sfp-machine.h: New. Based on glibc.
6939 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6941 * config/rs6000/t-fprules: Remove fp-bit rules.
6942 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6943 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6944 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6945 (softfp_wrap_start, softfp_wrap_end): New.
6947 2006-04-18 DJ Delorie <dj@redhat.com>
6949 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6951 2006-04-18 Devang Patel <dpatel@apple.com>
6953 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6955 2006-04-18 Nick Clifton <nickc@redhat.com>
6957 * config/sh/t-symbian: Add rule to build sh-c.o
6958 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6959 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6960 (sh_symbian_encode_section_info): Likewise.
6962 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6964 * builtins.c (expand_builtin_strcmp): Cover label definition of
6965 do_libcall with HAVE_cmpstrnsi.
6967 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6969 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6971 * function.h (temp_slot_p): New.
6972 (function): Change the type of x_used_temp_slots to
6973 VEC(temp_slot_p,gc) *.
6975 2006-04-18 Nick Clifton <nickc@redhat.com>
6977 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6978 flag_strength_reduce.
6980 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6982 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6986 Partial revert of revision 112637
6987 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6988 Dale Johannesen <dalej@apple.com>
6991 * regclass.c (struct reg_pref): Update documentation.
6992 (regclass): Set prefclass to NO_REGS if memory is the best option.
6993 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6995 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6997 PR tree-optimization/26821
6998 * tree-ssa-math-opts.c (get_constant_one): New.
6999 (insert_reciprocals): Use it.
7001 2006-04-17 Geoffrey Keating <geoffk@apple.com>
7003 * dwarf2out.c (free_AT): Delete.
7004 (remove_AT): Update string ref counts.
7005 (remove_child_TAG): Don't call free_die.
7007 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
7008 or DW_TAG_GNU_EINCL.
7009 (prune_unused_types_walk_attribs): Reset string refcounts.
7010 (prune_unused_types_update_strings): New.
7011 (prune_unused_types_prune): Don't make unnecessary stores. Don't
7012 call free_die. Do call prune_unused_types_update_strings.
7013 (prune_unused_types): Empty debug_str_hash.
7015 2006-04-17 Roger Sayle <roger@eyesopen.com>
7017 * expr.c (expand_assignment): Optimize away no-op moves where the
7018 source and destination are equal and have no side-effects.
7020 2006-04-17 Richard Guenther <rguenther@suse.de>
7023 * reload.c (push_reload): Guard calls to get_secondary_mem
7026 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
7028 * alias.c (reg_base_value, old_reg_base_value): Change the
7029 type to VEC(rtx,gc) *.
7030 (REG_BASE_VALUE, find_base_value, record_set,
7031 init_alias_analysis): Use VEC instead of VARRAY.
7033 * alias.c (alias_sets): Change the type to
7034 VEC(alias_set_entry,gc) *.
7035 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
7036 VEC instead of VARRAY.
7037 (last_alias_set): Remove.
7039 * cgraph.h (cgraph_edge_p): New.
7040 Update the prototype of cgraph_function_versioning.
7041 * cgraphunit.c (cgraph_copy_node_for_versioning,
7042 cgraph_function_versioning): Use VEC instead of VARRAY.
7043 * ipa-cp.c (ipcp_insert_stage): Likewise.
7045 2006-04-16 Roger Sayle <roger@eyesopen.com>
7048 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
7049 "A op B" or "A op C", we may need to convert A to the type of B and C.
7051 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
7053 * target.h (struct gcc_target): Add mode_rep_extended.
7054 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
7055 (init_num_sign_bit_copies_in_rep): Initialize it using
7057 (truncate_to_mode): Use it.
7058 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
7059 * targhooks.h (default_mode_rep_extended): Declare it.
7060 * targhooks.c (default_mode_rep_extended): Define it.
7061 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
7062 default_mode_rep_extended.
7063 (TARGET_INITIALIZER): Include it.
7064 * doc/tm.texi (Misc): Document it.
7065 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
7066 (mips_truncated_to_mode): New function.
7068 2006-04-16 Roger Sayle <roger@eyesopen.com>
7071 * expr.c (compress_float_constant): Copy the narrow constant into
7072 a new pseudo before extending it to its final width.
7074 2006-04-16 Roger Sayle <roger@eyesopen.com>
7075 Andrew Pinski <pinskia@gcc.gnu.org>
7076 Dale Johannesen <dalej@apple.com>
7079 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
7080 special case code to implement V8HImode and V16QImode with SSE2.
7082 2006-04-15 Roger Sayle <roger@eyesopen.com>
7084 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
7085 trees are constructed with a suitable tree type.
7087 2006-04-15 Roger Sayle <roger@eyesopen.com>
7089 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
7090 (integer_onep): Likewise.
7091 (integer_all_onesp): Likewise.
7092 (integer_pow2p): Likewise.
7093 (integer_nonzerop): Likewise.
7094 (real_zerop): Likewise.
7095 (real_onep): Likewise.
7096 (real_twop): Likewise.
7097 (real_minus_onep): Likewise.
7098 (int_size_in_bytes): Likewise.
7099 (host_integerp): Likewise.
7101 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
7103 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
7104 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
7105 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
7107 * tree-ssa-structalias.h (alias_info): Remove num_references.
7109 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7111 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
7112 (output_bvb patterns): Likewise.
7113 * pa.c (output_bb): Use 'bb' insn for long branch case.
7114 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
7115 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
7116 1. Correct length operand for alternatives 1 and 2.
7117 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
7118 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
7120 2006-04-14 Roger Sayle <roger@eyesopen.com>
7122 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
7123 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
7124 were accidentally reverted by r112959.
7126 2006-04-15 Jakub Jelinek <jakub@redhat.com>
7129 * except.h (eh_region_outermost): New prototype.
7130 * except.c (eh_region_outermost): New function.
7131 * tree-cfg.c (find_outermost_region_in_block): Use it.
7133 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7135 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
7137 * reload1.c (reg_equiv_memory_loc_varray): Rename to
7138 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
7139 (init_reload, reload): Use VEC instead of VARRAY.
7140 * reload.h: Update the prototype for
7141 reg_equiv_memory_loc_varray.
7143 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
7144 Eric Botcazou <ebotcazou@libertysurf.fr>
7146 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
7149 2005-04-13 Uros Bizjak <uros@kss-loka.si>
7152 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
7153 to expand fallback builtin function call.
7155 2006-04-14 Alan Modra <amodra@bigpond.net.au>
7158 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
7159 and emit libcall here in case the builtin fails.
7160 (expand_builtin_strcmp): Always emit the libcall here on failure.
7162 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
7164 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
7165 * flow.c (reg_n_info): Change the type to
7166 VEC(reg_info_p,heap) *.
7167 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
7169 * regs.h (reg_info_p): New.
7170 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
7171 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
7172 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
7175 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
7177 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
7179 * params.h (MAX_SCHED_READY_INSNS): New macro.
7180 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
7181 past MAX_SCHED_READY_INSNS during the first scheduling pass.
7182 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
7183 the ready list for 1 cycle during the first scheduling pass.
7184 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
7186 2006-04-13 Richard Henderson <rth@redhat.com>
7189 * gimple-low.c (lower_omp_directive): Remove dead code.
7190 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
7191 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
7192 * omp-low.c (struct omp_region): Move to tree-flow.h.
7193 (root_omp_region): Export.
7194 (omp_regions, lookup_omp_region): Remove.
7195 (determine_parallel_type): Update for struct omp_region changes.
7196 (dump_omp_region): Dump regions with block numbers.
7197 (new_omp_region): Take type and block instead of stmt; malloc
7199 (free_omp_region_1, free_omp_regions): New.
7200 (expand_parallel_call): Take entry_stmt as argument; update for
7201 changes to omp_region.
7202 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
7203 (remove_exit_barriers): New.
7204 (expand_omp_parallel): Update for struct omp_region changes.
7205 (expand_omp_synch): Likewise.
7206 (expand_omp): Likewise.
7207 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
7208 (expand_omp_for_static_chunk): Likewise.
7209 (expand_omp_for): Likewise.
7210 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
7211 (expand_omp_sections): Similarly, with GOMP_sections_end.
7212 (expand_omp_single): New.
7213 (build_omp_regions_1): Update for OMP_CONTINUE.
7214 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
7215 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
7216 OMP_SECTIONS_SECTIONS.
7217 (lower_omp_single_simple): Don't emit barrier here.
7218 (lower_omp_single_copy): Likewise.
7219 (lower_omp_single): Fix bindings, and lower to straightline now.
7220 (lower_omp_master, lower_omp_ordered): Likewise.
7221 (lower_omp_critical): Likewise.
7222 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
7223 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
7224 omp edges, free it afterward.
7225 (make_omp_sections_edges): Remove.
7226 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
7227 (move_stmt_r): Handle OMP_CONTINUE.
7228 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
7229 statement pointers to basic blocks. Add type member.
7230 (root_omp_region, new_omp_region, free_omp_regions): Declare.
7231 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
7232 * tree-inline.c (estimate_num_insns_1): Likewise.
7233 * tree-pretty-print.c (dump_generic_node): Likewise.
7234 * tree-ssa-operands.c (get_expr_operands): Likewise.
7235 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
7236 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
7237 (OMP_CONTINUE): New.
7238 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
7239 (OMP_SECTIONS_SECTIONS): Remove.
7240 (OMP_SECTION_LAST): New.
7241 (OMP_RETURN_NOWAIT): New.
7243 2006-04-13 Roger Sayle <roger@eyesopen.com>
7245 * fold-const.c (native_encode_vector, native_interpret_real):
7246 Correct obvious mistakes in the previous check-in.
7248 2006-04-13 Roger Sayle <roger@eyesopen.com>
7250 * fold-const.c (native_encode_expr): New function to encode
7251 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
7252 or VECTOR_CST into a specified buffer.
7253 (native_encode_int): New function.
7254 (native_encode_real): New function.
7255 (native_encode_complex): New function.
7256 (native_encode_vector): New function.
7257 (native_interpret_expr): Inverse of native_encode_expr to convert
7258 a target representation into an INTEGER_CST, REAL_CST etc...
7259 (native_interpret_int): New function.
7260 (native_interpret_real): New function.
7261 (native_interpret_complex): New function.
7262 (native_interpret_vector): New function.
7263 (fold_view_convert_expr): New function to constant fold/evaluate
7264 a VIEW_CONVERT_EXPR of a suitable constant expression.
7265 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
7266 Change call of build1 to fold_build1 when constructing a
7269 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
7270 Ulrich Weigand <uweigand@de.ibm.com>
7273 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
7276 2006-04-13 Alan Modra <amodra@bigpond.net.au>
7279 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
7280 optimize to lo_sum for DFmode if !TARGET_FPRS.
7282 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7284 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
7285 delete_alias_info, compute_flow_sensitive_aliasing,
7286 group_aliases): Use VEC instead of VARRAY.
7287 * tree-ssa-structalias.c (update_alias_info): Likewise.
7288 * tree-ssa-structalias.h (alias_info): Change the type of
7289 processed_ptrs to VEC(tree,heap) *.
7291 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
7294 * config/sh/lib1funcs.h: New file, broken out of:
7295 * config/sh/lib1funcs.asm.
7296 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
7298 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
7299 * config/sh/lib1funcs-Os-4-200.asm: New file.
7300 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
7301 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
7302 (EXTRA_MULTILIB_PARTS): Include it.
7303 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
7304 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
7305 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
7306 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
7309 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
7311 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
7312 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
7313 tpa_compact, root_var_init, type_var_init): Use VEC instead of
7315 * tree-ssa-live.h: Include vecprim.h.
7316 (tree_partition_associator_d): Change the type of
7317 first_partition to VEC(int,heap) *.
7318 (tpa_first_partition): Use VEC instead of VARRAY.
7320 * Makefile.in (GTFILES): Move functions.h after tree.h.
7321 * function.c (reset_block_changes, record_block_change,
7322 check_block_change, free_block_changes): Use VEC instead of
7324 * function.h (function): Change the type of
7325 ib_boundaries_block to VEC(tree,gc) *.
7326 * tree-inline.c (copy_cfg_body): Initialize
7327 ib_boundaries_block to NULL instead of (varray_type) 0.
7329 2006-04-12 Roger Sayle <roger@eyesopen.com>
7331 * expr.c (emit_group_store): Correct operand order in call to
7332 subreg_lowpart_offset. Always create paradoxical SUBREGs with
7333 a SUBREG_BYTE of zero.
7335 2006-04-12 Richard Guenther <rguenther@suse.de>
7337 * profile.c (compute_branch_probabilities): Remove code
7338 encapsulated in !ir_type (), which are remanents of the
7339 removed RTL profiling code.
7340 * rtl-profile.c: Remove.
7342 2006-04-12 Alan Modra <amodra@bigpond.net.au>
7344 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
7345 magic NULL_RTX comment.
7346 (function_arg): Store entire fp arg to mem if any part should go
7348 (rs6000_arg_partial_bytes): Adjust for above change.
7350 2006-04-11 Roger Sayle <roger@eyesopen.com>
7352 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
7353 if it hasn't been initialized by dwarf2out_init.
7355 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
7357 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
7358 symbolic constants in branch patterns.
7360 2006-04-11 Roger Sayle <roger@eyesopen.com>
7362 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
7364 2006-04-11 Richard Sandiford <richard@codesourcery.com>
7366 PR rtl-optimization/27073
7367 * gcse.c (try_replace_reg): Revert last change. Continue to search
7368 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
7371 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
7373 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
7374 aggregate types other than record and union types.
7375 (function_arg): Likewise.
7376 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
7378 (function_value): In 64-bit mode, return objects that require it
7381 2006-04-11 Roger Sayle <roger@eyesopen.com>
7383 * dwarf2out.c (premark_used_types): Remove problematic prototype.
7385 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7387 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7389 2006-04-03 Jeff Law <law@redhat.com>
7392 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7393 alias information too.
7395 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7397 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7399 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7402 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7403 (premark_used_types_helper): New.
7404 (premark_used_types): New.
7405 (gen_subprogram_die): Call premark_used_types.
7406 (prune_unused_types_walk): Do not prune perennial dies.
7407 * function.c (used_types_insert): New.
7408 * function.h (struct function): Add used_types_hash field.
7409 (used_types_insert): Add prototype.
7410 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7411 * c-parser.c (c_parser_cast_expression): Save casted types in used
7414 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7417 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7418 rs6000_explicit_options.float_gprs.
7420 2006-04-10 Roger Sayle <roger@eyesopen.com>
7422 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7423 from ix86_expand_vector_init_low_nonzero. Take an additional
7424 one_var argument indicating which element is non-zero. Support
7425 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7426 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7427 with one_var instead of ix86_expand_vector_init_low_nonzero.
7429 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7431 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7432 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7433 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7434 build/genextract.o): Depend on vecprim.h.
7435 * cfglayout.c, df-problems.c, function.c, genextract.c,
7436 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7437 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7441 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7443 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7444 Declare VECs of this type.
7445 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7446 (remove_children): Delete.
7447 (add_dwarf_attr): Use VEC routines.
7448 (add_AT_flag): Update for changes to add_dwarf_attr.
7449 (add_AT_int): Likewise.
7450 (add_AT_unsigned): Likewise.
7451 (add_AT_long_long): Likewise.
7452 (add_AT_vec): Likewise.
7453 (add_AT_string): Likewise.
7454 (add_AT_die_ref): Likewise.
7455 (add_AT_fde_ref): Likewise.
7456 (add_AT_loc): Likewise.
7457 (add_AT_loc_list): Likewise.
7458 (add_AT_addr): Likewise.
7459 (add_AT_lbl_id): Likewise.
7460 (add_AT_lineptr): Likewise.
7461 (add_AT_macptr): Likewise.
7462 (add_AT_offset): Likewise.
7463 (add_AT_range_list): Likewise.
7464 (get_AT): Use VEC_iterate.
7465 (remove_AT): Use VEC_ordered_remove.
7466 (free_die): Fold remove_children into here; have it use VEC_iterate.
7467 (print_die): Use VEC_iterate on attrs.
7468 (reverse_die_lists): Don't reverse attr lists.
7469 (die_checksum): Use VEC_iterate on attrs.
7470 (same_die_p): Likewise.
7471 (output_location_lists): Likewise.
7472 (build_abbrev_table): Likewise.
7473 (size_of_die): Likewise.
7474 (unmark_all_dies): Likewise.
7475 (output_abbrev_section): Likewise.
7476 (output_die): Likewise.
7477 (prune_unused_types_walk_attribs): Likewise.
7479 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7481 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7483 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7486 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7488 2006-04-09 Roger Sayle <roger@eyesopen.com>
7490 * expr.c (store_constructor): Don't bother clearing target if
7491 we're about to assign a vector to it using vec_init_optab.
7493 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7495 * tree-ssa-alias.c (lhs_may_store_to): New function.
7496 (recalculate_used_alone): Handle LHS of calls.
7498 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7502 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7503 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7504 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7505 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7506 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7507 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7508 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7509 stubs. Add ".align 8" directives before all ".dword" directives.
7510 (GTHREAD_USE_WEAK): Revise comment.
7511 (TARGET_ATTRIBUTE_WEAK): Define.
7512 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7513 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7514 * stublib.c: New file.
7519 * pa.md (cbranch patterns): Revise arguments used in calls to
7520 output_cbranch, output_bb and output_bvd. Add long branch length
7522 (fbranch patterns): Handle long branches.
7523 (jump): Revise length check. Revise arguments for output_lbranch call.
7524 Add long branch length attributes.
7525 (decrement_and_branch_until_zero): Add long branch length attributes.
7526 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7527 Likewise. Revise arguments for output_parallel_addb and
7528 output_parallel_movb calls.
7529 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7530 output_parallel_movb and output_parallel_addb): Update prototypes.
7531 * pa.c (output_cbranch): Revise arguments. Correct handling of
7532 nullification in long branches.
7533 (output_lbranch): Add new argument to control extraction of delay
7535 (output_bb): Handle long branches.
7536 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7537 output_parallel_addb): Likewise.
7539 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7541 PR rtl-optimization/27073
7542 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7545 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7547 * tree.h (tree_memory_tag): Add old_used_alone.
7548 (SMT_OLD_USED_ALONE): New macro.
7549 * tree-ssa-alias.c (recalculate_used_alone): Stop
7550 marking things for renaming unnecessarily.
7552 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7554 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7555 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7556 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7557 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7558 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7559 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7560 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7561 spelling convensions.
7562 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7563 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7564 typos. Follow spelling conventions.
7566 2006-04-07 DJ Delorie <dj@redhat.com>
7568 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7569 passed on the stack.
7570 (m32c_init_cumulative_args): When a function returns a structure,
7571 always pass the pointer to that return area on the stack.
7572 (m32c_function_arg_advance): Don't increment the parameter number
7573 if we're processing the returned structure pointer.
7574 (pushm_info): Reverse order of registers.
7576 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7578 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7579 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7580 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7581 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7583 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7584 chrec_fold_multiply): Same.
7585 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7586 force_expr_to_var_cost): Same.
7587 * tree-mudflap.c (mf_xform_derefs_1): Same.
7588 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7590 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7592 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7593 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7596 2006-04-07 Jan Hubicka <jh@suse.cz>
7598 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7600 2006-04-07 Richard Guenther <rguenther@suse.de>
7602 PR tree-optimization/26135
7603 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7604 loads for store copy-prop.
7605 (copy_prop_visit_stmt): Likewise.
7607 2006-04-05 Robert Millan <robertmh@gnu.org>
7609 * config/i386/linux.h: Add a comment to mark macros that are
7610 being overriden in config/k*bsd-gnu.h.
7611 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7613 * config/knetbsd-gnu.h: Ditto.
7615 2006-04-06 Jan Hubicka <jh@suse.cz>
7619 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7622 2006-04-06 Mike Stump <mrs@apple.com>
7624 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7625 for HAVE_nonlocal_goto to be consistent.
7626 (expand_builtin_nonlocal_goto): Likewise.
7627 (expand_builtin_strcmp): Use #ifdef instead of #if
7628 for HAVE_cmpstrnsi to be consistent.
7630 2006-04-05 DJ Delorie <dj@redhat.com>
7632 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7635 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7637 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7638 got-relative addressing for anything but SImode.
7640 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7641 even if the calling function doesn't modify them.
7643 2006-04-05 Richard Guenther <rguenther@suse.de>
7645 PR tree-optimization/26919
7646 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7647 to cgraph_estimate_size_after_inlining.
7649 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7651 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7653 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7655 PR tree-optimization/26996
7656 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7657 VECTOR_TYPE variables.
7659 2006-04-05 Richard Guenther <rguenther@suse.de>
7661 PR tree-optimization/26763
7662 * fold-const.c (fold_comparison): Move folding of
7663 PTR + CST CMP PTR + CST ...
7664 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7666 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7668 * doc/install.texi (Prerequisites): Refine some wording on
7669 bootstrapping and ksh.
7670 Move the version numbers of DejaGnu here from the testing section
7671 and fix casing of names.
7672 Fix markup and clarify wording for autogen requirements.
7673 Refer to GCJ instead of just java.
7674 Refer to SVN instead of CVS.
7675 Describe diffutils as useful instead of necessary.
7676 (Downloading the source): Refer to SVN instead of CVS.
7677 Adjust a link to our web site accordingly.
7678 (Configuration): Fix casing of Bison.
7679 (Building): Refer to SVN instead of CVS.
7680 Fix a sentence on the use of Bison and remove duplicate (and
7681 incorrect) version number of Bison requirement.
7682 Remove one redundant list of packages needed for building.
7683 (Specific): Avoid reference to CVS.
7685 2006-04-04 Eric Christopher <echristo@apple.com>
7687 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7688 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7689 (rs6000_handle_struct_attribute): New.
7690 (rs6000_ms_bitfield_layout_p): Ditto.
7692 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7694 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7695 NULL for dso parameter to atexit_common.
7697 2006-04-04 Eric Christopher <echristo@apple.com>
7699 * config/i386/i386.c (machopic_output_stub): Output \t
7700 between instructions and operands.
7702 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7704 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7705 satisfies_constraint_[IL] to explicit tests on value.
7707 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7709 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7710 set_nb_iterations_in_loop): Use build_int_cst instead of
7712 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7713 build_int_cst instead of convert.
7715 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7717 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7718 new value 2 for incoming.
7719 * function.c (expand_function_start): Call struct_value_rtx
7721 * config/sparc/sparc.md: Comment updated_return.
7722 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7723 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7724 struct return if sparc_std_struct_return and incoming is 2.
7725 (print_operand): Do not adjust return if
7726 sparc_std_struct_return.
7728 2006-04-04 Roger Sayle <roger@eyesopen.com>
7730 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7731 convert in the middle-end.
7732 * expr.c (store_expr, store_constructor, get_inner_reference,
7733 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7735 * tree.c (build_range_type): Likewise.
7737 2006-04-04 Tom Tromey <tromey@redhat.com>
7739 * doc/install.texi (Prerequisites): Mention jar.
7741 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7743 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7746 2006-04-04 Matthias Klose <doko@debian.org>
7748 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7752 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7755 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7757 * doc/extend.texi (Function Attributes): Rewrite visibility
7758 attribute documentation.
7759 * doc/invoke.texi (C++ Dialect Options): Rewrite
7760 -fvisibility-inlines-hidden documentation to describe something
7761 entirely different, although in practise compatible.
7762 (Code Gen Options): Warn about system headers in -fvisibility=
7765 * doc/extend.texi (Other Builtins): Document that
7766 __builtin_nan is a compile-time constant only when its argument
7769 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7771 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7772 trying to remove TRUNCATE check if all bits outside the new mode
7773 are identical to the sign bit.
7775 2006-04-03 Jeff Law <law@redhat.com>
7777 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7778 and operand scanning in some common cases.
7780 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7781 Dale Johannesen <dalej@apple.com>
7784 * regclass.c (struct reg_pref): Update documentation.
7785 (regclass): Set prefclass to NO_REGS if memory is the best option.
7786 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7787 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7788 into account. For non-registers, equate an empty preferred
7789 reload class to a `!' in the constraint; move the if clause to
7790 do so after those that reject the insn.
7791 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7793 (find_dummy_reload): Likewise.
7794 * doc/tm.texi (Register Classes): Document what it means
7795 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7796 * config/i386/i386.c (ix86_preferred_reload_class): Force
7797 using SSE registers (and return NO_REGS for floating-point
7798 constants) if math is done with SSE.
7799 (ix86_preferred_output_reload_class): New.
7800 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7801 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7802 * config/i386/i386.md: Remove # register preferences.
7804 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7807 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7808 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7809 the type of nb_iter.
7810 (instantiate_parameters_1): Convert the operands before calling
7811 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7812 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7814 2006-04-02 Roger Sayle <roger@eyesopen.com>
7816 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7817 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7819 * dojump.c (do_jump): Likewise.
7820 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7821 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7822 gimplify_boolean_expr): Likewise.
7823 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7824 * varasm.c (array_size_for_constructor): Likewise.
7825 * tree-object-size.c (compute_object_offset): Likewise.
7827 2006-04-02 Roger Sayle <roger@eyesopen.com>
7830 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7831 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7833 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7835 PR tree-optimization/26939
7836 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7838 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7840 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7841 at_stmt. Convert the type of operands before calling
7842 build_polynomial_chrec.
7843 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7845 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7846 (instantiate_parameters_1): Convert the type of operands before calling
7847 build_polynomial_chrec.
7848 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7849 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7850 reset_evolution_in_loop): Insert asserts to check the types of the
7852 (chrec_type): Moved...
7853 (eq_evolutions_p): Use operand_equal_p.
7854 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7855 the types of the operands.
7856 (chrec_type): ...here.
7857 * tree-data-ref.c (create_data_ref): Convert the operands before
7858 calling chrec_replace_initial_condition.
7859 (same_access_functions, analyze_subscript_affine_affine,
7860 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7861 (compute_subscript_distance, analyze_ziv_subscript,
7862 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7863 analyze_miv_subscript): Convert the operands before calling
7864 chrec_fold_minus or chrec_fold_plus.
7866 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7868 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7869 the dependence_relations vector.
7870 (compute_data_dependences_for_loop): Adjust call to
7871 compute_all_dependences.
7873 2006-04-01 Roger Sayle <roger@eyesopen.com>
7874 Richard Henderson <rth@redhat.com>
7876 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7877 gimple_boolify on the condition before calling gimplify_expr.
7879 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7881 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7882 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7883 the frame size. Update to use the new macros.
7884 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7885 * config/xtensa/ieee754-df.S: Likewise.
7887 2006-03-31 Richard Henderson <rth@redhat.com>
7889 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7890 (make_edges): ... here. Control fallthru creation with a local
7891 variable. Do not play with fake edges.
7892 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7893 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7896 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7898 * dwarf2.h (DW64_CIE_ID): Define.
7899 * dwarf2out.c (DWARF_CIE_ID): Define.
7900 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7901 length header. Use DWARF_CIE_ID.
7902 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7903 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7905 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7907 * config/sh/linux-atomic.asm: New file.
7908 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7910 2006-03-31 DJ Delorie <dj@redhat.com>
7912 * config/m32c/cond.md: Set condition flags properly throughout.
7913 * config/m32c/minmax.md: Likewise.
7914 * config/m32c/prologue.md: Likewise.
7915 * config/m32c/bitops.md: Likewise.
7916 * config/m32c/muldiv.md: Likewise.
7917 * config/m32c/mov.md: Likewise.
7918 * config/m32c/addsub.md: Likewise.
7919 * config/m32c/m32c.md: Likewise.
7920 * config/m32c/jump.md: Likewise.
7921 * config/m32c/shift.md: Likewise.
7923 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7924 conditionally output the pattern for this.
7925 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7926 (m32c_compare_redundant): New.
7927 (m32c_output_compare): New.
7928 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7930 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7931 dest, not src. Allow other 4-byte modes.
7933 2006-03-30 Denis Chertykov <denisc@overta.ru>
7935 * doc/md.texi: Refer to avr/constraints.md instead of
7938 2006-03-30 Roger Sayle <roger@eyesopen.com>
7940 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7941 signed vs. unsigned comparison failures on some hosts.
7943 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7946 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7947 change to FLOAT_REGS.
7949 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7950 (rs6000_override_options): Use it.
7951 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7952 only for -mabi=spe/no-spe and -mabi=altivec.
7954 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7956 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7959 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7961 * Makefile.in: Rename docdir to gcc_docdir.
7963 2006-03-30 Roger Sayle <roger@eyesopen.com>
7966 * expr.c (emit_group_store): Optimize group stores into a pseudo
7967 register by using a paradoxical subreg to initialize the destination
7968 if the first or last member of the group specifies a "low part".
7970 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7973 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7974 * target.h (struct gcc_target.speculate_insn): Change type of the
7975 second parameter to 'int'.
7976 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7977 the second operand of the DEPS_LIST.
7978 (copy_DEPS_LIST_list): Update reference to the second operand of the
7980 * rtl.h (alloc_DEPS_LIST): Update signature.
7981 * sched-int.h (ds_t): Change typedef to 'int'.
7982 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7984 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7986 * haifa-sched.c (try_ready): Change condition to restore
7987 non-speculative pattern of the instruction.
7988 (process_insn_depend_be_in_spec): Code to keep probability of the
7989 speculative dependence non-decreasing.
7991 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7993 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7994 (single_move_for_movmem): ... this. Also change all uses.
7995 (bfin_expand_strmov): Renamed to...
7996 (bfin_expand_movmem): ... this. Also change all uses.
7997 * config/bfin/bfin.md (movstrsi): Renamed to...
7998 (movstrsi): ...this.
8000 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
8002 PR tree-optimization/26830
8004 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
8005 (copy_prop_visit_stmt): Remove write-only variable ann.
8006 (init_copy_prop): Check variable loop depth here. Do not simulate
8007 memory-tag and virtual operand PHIs except for store copy prop.
8009 2006-03-30 Richard Guenther <rguenther@suse.de>
8011 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
8012 variants with double arguments.
8014 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8016 * genpreds.c (write_tm_constrs_h): Delete variable p.
8017 * genconditions.c (write_header): Add tm-constrs.h to included
8019 * genpeep.c (main): Add toplev.h to included headers.
8020 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
8021 (build/genpeep.o): Add toplev.h dependency.
8022 * config/rs6000/constraints.md: Add "W" constraint.
8024 2006-03-29 Roger Sayle <roger@eyesopen.com>
8026 * stor-layout.c (mode_for_size_tree): Remove restiction on type
8027 sizes by correctly testing whether the size fits a host integer.
8028 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
8029 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
8030 SImode range for the default sizetype and bitsizetype.
8032 2006-03-29 Roger Sayle <roger@eyesopen.com>
8034 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
8035 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
8036 quickly if the argument is already of the correct type.
8037 Call fold_build1 instead of build1. Tidy up blank lines.
8039 2006-03-29 David Edelsohn <edelsohn@gnu.org>
8041 * genemit.c (main): Add tm-constrs.h to included headers.
8042 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
8043 * genpeep.c (main): Add tm-constrs.h to included headers.
8044 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
8045 (write_tm_constrs_h): this and write complete file.
8046 (write_tm_preds_h): Do not emit satisfies_constraint fns.
8047 (write_insn_preds_c): Add tm-constrs.h to included headers.
8048 (gen_constrs): New variable.
8049 (parse_option): Parse "-c".
8050 (main): Invoke write_tm_constrs_h.
8051 * genrecog.c (write_header): Add tm-constrs.h to included headers.
8052 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
8053 (object_out_file): Add tm-constrs.h dependency.
8054 (insn-emit.o): Same.
8055 (insn-output.o): Same.
8056 (insn-peep.o): Same.
8057 (insn-preds.o): Same.
8058 (insn-recog.o): Same.
8059 (tm-constsr.h): New target.
8060 (s-constrs-h): New target.
8062 * config/rs6000/constraints.md: New file.
8063 * config/rs6000/rs6000.c: Include tm-constrs.h.
8064 (num_insn_constant_wide): Convert to satisfies_constraint.
8065 (rs6000_rtx_costs): Convert to satisfies_constraint.
8066 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
8067 (CONST_OK_FOR_LETTER_P): Delete.
8068 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8069 (EXTRA_CONSTRAINT): Delete.
8070 (EXTRA_MEMORY_CONSTRAINT): Delete.
8071 (EXTRA_ADDRESS_CONSTRAINT): Delete.
8072 * config/rs6000/predicates.md: Convert to satisfies_constraint.
8073 * config/rs6000/rs6000.md: Include constraints.md. Convert to
8074 satisfies_constraint.
8076 * config/i386/i386.c: Include tm-constrs.h.
8078 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8080 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
8081 * tree-data-ref.c (find_data_references_in_loop,
8082 compute_data_dependences_for_loop): Use pointers to VEC.
8083 (analyze_all_data_dependences): Adjust calls.
8084 * tree-data-ref.h (find_data_references_in_loop,
8085 compute_data_dependences_for_loop): Adjust declarations.
8086 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
8087 compute_data_dependences_for_loop.
8089 2006-03-29 Paul Brook <paul@codesourcery.com>
8091 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
8094 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
8096 PR tree-optimization/26859
8097 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
8099 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
8100 for the step after fold_convert.
8102 2006-03-29 Paul Brook <paul@codesourcery.com>
8104 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
8105 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
8107 2006-03-29 Paul Brook <paul@codesourcery.com>
8110 * targhooks.c (default_narrow_bitfield): New fuction.
8111 * targhooks.h (default_narrow_bitfield): add prototype.
8112 * target.h (gcc_target): Add narrow_volatile_bitfield.
8113 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8114 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
8115 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
8116 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
8118 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
8120 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
8122 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
8123 (NR_C_MODES): Add TDmode, DDmode and SDmode.
8124 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
8125 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
8126 (s390_function_arg_float): Allow SDmode and DDmode values to be
8127 passed in floating point registers.
8128 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
8129 check with SCALAR_FLOAT_MODE_P.
8130 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
8132 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8134 PR tree-optimization/25985
8135 * tree-ssa-loop-niter.c (number_of_iterations_le,
8136 number_of_iterations_ne): Make comments more precise.
8137 (number_of_iterations_cond): Add only_exit argument. Use the
8138 fact that signed variables do not overflow only when only_exit
8140 (loop_only_exit_p): New.
8141 (number_of_iterations_exit): Pass result of loop_only_exit_p to
8142 number_of_iterations_cond.
8144 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
8146 PR tree-optimization/26643
8147 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
8150 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
8152 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
8153 (divsi3_i4_int): Likewise.
8155 2006-03-28 Roger Sayle <roger@eyesopen.com>
8157 * expr.c (emit_group_store): Only create a new pseudo reg if the
8158 quantity it needs to hold isn't already a suitable pseudo.
8160 2006-03-28 Jeff Law <law@redhat.com>
8162 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
8163 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
8165 2006-03-28 Roger Sayle <roger@eyesopen.com>
8167 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
8168 the equivalent ~X & Y, and the symmetry related transformations.
8169 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
8170 ~X & Y, and symmetry related transforms.
8172 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8174 Revert my 2006-03-27 patches.
8176 2006-03-28 Roger Sayle <roger@eyesopen.com>
8178 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
8179 ~(T1)X, when T1 and T2 are integer types of the same precision
8180 and (T2)X isn't an extension.
8182 2006-03-28 Jeff Law <law@redhat.com>
8184 PR tree-optimization/26796
8185 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
8186 need EH edge cleanups rather than purging them immediately.
8187 (eliminate_degenerate_phis): Handle queued EH cleanups.
8189 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
8191 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
8194 2006-03-27 Roger Sayle <roger@eyesopen.com>
8197 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
8198 cast BIT_NOT_EXPR operand to the correct type.
8200 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
8202 * tree-loop-linear.c: Don't include varray.h.
8203 (gather_interchange_stats, try_interchange_loops,
8204 linear_transform_loops): Use VEC instead of VARRAY.
8205 * lambda-mat.c: Don't include varray.h.
8206 * tree-chrec.c: Same.
8207 * lambda-trans.c: Same.
8208 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
8209 VEC instead of VARRAY.
8210 * tree-vectorizer.h: Idem.
8211 * tree-data-ref.c (dump_data_references,
8212 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
8213 initialize_data_dependence_relation, finalize_ddr_dependent,
8214 compute_all_dependences, find_data_references_in_loop,
8215 compute_data_dependences_for_loop, analyze_all_data_dependences,
8216 free_dependence_relation, free_dependence_relations,
8217 free_data_refs): Idem.
8218 * tree-data-ref.h (data_reference_p, subscript_p): New.
8219 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
8220 VEC instead of VARRAY.
8221 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
8222 (find_data_references_in_loop, compute_data_dependences_for_loop,
8223 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
8224 dump_data_dependence_relations, free_dependence_relations,
8225 free_data_refs): Adjust declaration.
8226 (lambda_transform_legal_p): Move declaration here...
8227 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
8228 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
8229 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
8230 vect_analyze_data_refs): Use VEC instead of VARRAY.
8231 * lambda.h (lambda_transform_legal_p): ...from here.
8232 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
8233 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
8234 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
8235 tree-chrec.o): Don't depend on VARRAY_H.
8237 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8239 * rtl.def (Copyright): Update date.
8240 (DEPS_LIST): Change type of the second operand to 'int'.
8241 * target.h (Copyright): Update date.
8242 (struct gcc_target.speculate_insn): Change type of the second parameter
8244 * lists.c (Copyright): Update date.
8245 (alloc_DEPS_LIST): Change signature. Update reference to the second
8246 operand of the DEPS_LIST.
8247 (copy_DEPS_LIST_list): Update reference to the second operand of the
8249 * rtl.h (Copyright): Update date.
8250 (alloc_DEPS_LIST): Update signature.
8251 * sched-int.h (Copyright): Update date.
8252 (ds_t): Change typedef to 'int'.
8253 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
8255 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8257 * haifa-sched.c (Copyright): Update date.
8258 (try_ready): Change condition to restore non-speculative pattern
8260 (process_insn_depend_be_in_spec): Code to keep probability of the
8261 speculative dependence non-decreasing.
8263 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
8265 * regrename.c (replace_oldest_value_addr): Initialize a variable to
8266 shut up the compiler.
8268 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
8270 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
8271 to use lib prefix for target.
8272 ($(T)libic_invalidate_array_4-200.a): Likewise.
8273 ($(T)libic_invalidate_array_4a.a): Likewise.
8275 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
8276 J"orn Rennecke <joern.rennecke@st.com>
8278 * superh.opt: New file.
8279 * sh.c (boardtype, osruntime): Remove.
8280 * superh.h (SUBTARGET_OPTIONS): Remove.
8281 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
8283 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
8284 arguments with ^ and/or [].
8286 * config.gcc (sh-*-*): Add quoting to account for quirk of
8288 Replace == with = in enable_incomplete_targets test.
8290 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
8291 with MASK_LITTLE_ENDIAN.
8293 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
8294 * config/sh/sh.opt: Added to some comments.
8295 * config/sh/superh.h: Removed some chaff.
8297 * config/sh/sh.opt: Add m4-[1234]00* options.
8298 * config/sh/sh.c (sh_handle_option): Likewise.
8299 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
8300 (ic_invalidate_array_4-100.o): New rule.
8301 ($(T)libic_invalidate_array_4-100.a): Likewise.
8302 (ic_invalidate_array_4-200.o): Likewise.
8303 ($(T)libic_invalidate_array_4-200.a): Likewise.
8304 (ic_invalidate_array_4a.o): Likewise.
8305 ($(T)libic_invalidate_array_4a.a): Likewise.
8306 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
8307 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
8309 * config/sh/crt1.asm: Merged in profiling code.
8310 * config/sh/superh.h (STARTFILE_SPEC): Override.
8311 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
8312 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
8313 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
8315 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
8316 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
8317 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
8319 * sh.opt (mpretend-cmove): New option.
8320 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
8321 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
8322 (movsicc): Add TARGET_PRETEND_CMOVE code.
8324 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
8326 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
8327 s390_class_max_nregs): New function prototypes.
8328 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
8329 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
8330 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
8331 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
8333 2006-03-26 Geoffrey Keating <geoffk@apple.com>
8335 * dwarf2out.c (add_location_or_const_value_attribute): Call
8336 tree_add_const_value_attribute if nothing else works.
8337 (reference_to_unused): New.
8338 (rtl_for_decl_init): Use reference_to_unused to decide whether
8339 to output an initializer.
8341 2006-03-27 Alan Modra <amodra@bigpond.net.au>
8344 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
8345 peephole removing spe frob_di_df_2.
8347 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
8349 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
8350 (subscript_dependence_tester_1): Declared.
8351 (print_dir_vectors, print_dist_vectors): New.
8352 (debug_data_dependence_relation): New.
8353 (dump_data_dependence_relation): Print more details.
8354 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
8355 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
8356 (save_dist_v, save_dir_v, add_outer_distances,
8357 build_classic_dist_vector_1): New.
8358 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
8359 Don't test for lambda_vector_lexico_pos.
8360 (same_access_functions, add_multivariate_self_dist,
8361 add_other_self_distances, dir_from_dist): New.
8362 (build_classic_dir_vector): Replace implementation almost identical to
8363 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
8365 (subscript_dependence_tester_1): New.
8366 (subscript_dependence_tester): Handle the lexicographically negative
8367 distance vectors by recomputing the dependence relation.
8368 (compute_affine_dependence): Remove parameter loop_nest_depth.
8369 (compute_self_dependence): Don't call compute_subscript_distance.
8370 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
8371 Add a parameter for the loop_nest.
8372 (find_loop_nest_1, find_loop_nest): New.
8373 (compute_data_dependences_for_loop): Compute the loop nest, and give
8374 up if the nest is not well formed.
8375 * tree-data-ref.h (loop_p): New.
8376 (struct data_dependence_relation): Replace size_vect field with
8377 loop_nest, a vec of loops.
8378 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
8379 (DDR_LOOP_NEST): New.
8380 (print_dir_vectors, print_dist_vectors,
8381 debug_data_dependence_relation): Declared.
8382 (index_in_loop_nest): New.
8383 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
8384 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8387 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8389 * simplify-rtx.c (simplify_relational_operation): Call
8390 simplify_relational_operation_1 even if mode is VOIDmode.
8392 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8394 PR tree-optimization/26804
8395 * tree.h (DECL_CALL_CLOBBERED): New macro.
8396 (tree_decl_common): Add call_clobbered_flag.
8397 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8398 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8399 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8400 (mark_non_addressable): Ditto.
8401 * tree-ssa.c (verify_call_clobbered): New function.
8402 (verify_alias_info): Use it.
8403 * tree-pass.h (pass_reset_cc_flags): New prototype.
8404 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8405 (reset_cc_flags): New function.
8406 * passes.c (init_optimization_passes): Call reset_cc_flags after
8407 initializing referenced_vars.
8409 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8410 Roger Sayle <roger@eyesopen.com>
8413 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8414 to 1.0 for non-real operands. Implement A / A optimization for
8417 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8419 * config/i386/i386.c (size_cost): Correct the comment for
8420 cost of storing fp registers.
8421 (i386_cost): Likewise.
8422 (i486_cost): Likewise.
8423 (pentium_cost): Likewise.
8424 (pentiumpro_cost): Likewise.
8425 (k6_cost): Likewise.
8426 (athlon_cost): Likewise.
8427 (k8_cost): Likewise.
8428 (pentium4_cost): Likewise.
8429 (nocona_cost): Likewise.
8430 (generic64_cost): Likewise.
8431 (generic32_cost): Likewise.
8433 2006-03-24 Denis Chertykov <denisc@overta.ru>
8435 * config/avr/avr-protos.h (extra_constraint): Delete.
8436 (extra_constraint_Q): New declaration.
8437 * config/avr/constraints.md: New file.
8438 * config/avr/avr.md: Include it.
8439 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8440 (TMP_REGNO, ZERO_REGNO): Likewise.
8441 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8442 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8443 (extra_constraint): Delete.
8444 (extra_constraint_Q): Test for memory constraint 'Q'.
8445 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8446 (REG_CLASS_FROM_LETTER): Delete.
8447 (CONST_OK_FOR_LETTER_P): Delete.
8448 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8449 (EXTRA_CONSTRAINT): Delete.
8450 (TMP_REGNO): Delete.
8451 (ZERO_REGNO): Delete.
8453 2006-03-24 Jeff Law <law@redhat.com>
8455 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8456 directly. Call mark_new_vars_to_rename slightly earlier.
8458 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8460 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8462 (gen_compile_unit_die): Use new language types for Objective-C and
8464 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8465 DW_LANG_C_plus_plus.
8468 * config/t-darwin (crt3.o): Work around bug 26840.
8469 * config/darwin-crt3.c: Rewrite.
8470 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8472 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8474 * doc/invoke.texi: Document -femit-class-debug-always
8475 * common.opt: Add -femit-class-debug-always.
8477 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8479 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8480 index and base register.
8481 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8482 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8483 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8484 REGNO_OK_FOR_INDEX_P.
8485 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8487 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8488 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8489 REG_OK_FOR_BASE_P): Definitions removed.
8491 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8494 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8495 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8496 set yet or weren't marked as local yet.
8498 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8500 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8503 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8505 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8506 (rs6000_legitimate_small_data_p): Delete.
8507 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8508 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8509 and make static. Add forward declaration. Update uses.
8510 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8511 of offsettable_memref_p.
8512 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8513 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8515 2006-03-24 Jeff Law <law@redhat.com>
8517 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8518 around bug in immediate-use iterator.
8520 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8523 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8524 or __LITTLE_ENDIAN__.
8526 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8528 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8529 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8530 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8531 * config/sh/sh.opt (mdiv=): Amend description.
8532 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8533 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8534 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8535 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8536 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8537 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8538 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8539 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8540 TARGET_DIVIDE_CALL_FP.
8542 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8544 * haifa-sched.c (choose_ready): Fix type of the local variable.
8545 Move local variables. Add comment.
8546 (check_reg_live): Change signature. Make callable from debugger.
8547 * sched-int.h (check_reg_live): Update signature.
8548 * sched-ebb.c (check_reg_live): Update parameters.
8549 * sched-rgn.c (check_reg_live): Ditto.
8550 (region_head_or_leaf_p): Check pointer before dereferencing.
8551 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8552 before reload on optimization levels below 1.
8554 2006-03-23 Richard Henderson <rth@redhat.com>
8556 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8560 * config/alpha/predicates.md (local_symbolic_operand): Reject
8563 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8566 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8567 expressions which have overflowed constants.
8569 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8571 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8573 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8575 * cfgloopmanip.c (create_loop_notes): Removed.
8576 * final.c (final_scan_insn): Do not handle loop notes.
8577 * jump.c (squeeze_notes): Ditto.
8578 * cfglayout.c (skip_insns_after_block,
8579 duplicate_insn_chain): Ditto.
8580 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8582 * cfgloop.h (create_loop_notes): Declaration removed.
8584 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8586 * varasm.c (output_constant_pool): Restore fnname and fndecl
8588 (assemble_start_function): Adjust call accordingly.
8589 (assemble_end_function): Likewise.
8591 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8594 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8597 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8599 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8602 * system.h (ICE_EXIT_CODE): New macro.
8603 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8604 (diagnostic_action_after_output): Likewise.
8605 * gcc.c (fatal_ice): New function.
8606 (execute): Use it instead of fatal.
8607 (fancy_abort): Likewise.
8608 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8610 2006-03-22 Jeff Law <law@redhat.com>
8612 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8613 iv_analyze_result returning false.
8615 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8617 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8619 2006-03-22 Richard Henderson <rth@redhat.com>
8622 * except.c (duplicate_eh_regions_0): New.
8623 (duplicate_eh_region_1): Duplicate the children of the node as
8624 well as the node itself. Link them up properly.
8625 (duplicate_eh_region_2): Merge into ...
8626 (duplicate_eh_regions): ... here. Take copy_region argument, and
8627 copy only a sub-tree if asked. Simplify copying and fixup.
8628 (eh_region_outer_p): New.
8629 * except.h (duplicate_eh_regions): Update decl.
8630 (eh_region_outer_p): Declare.
8631 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8632 (lower_omp_master): Likewise.
8633 (lower_omp_ordered): Likewise.
8634 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8635 (move_stmt_r): Use it to remap labels. Handle recursion vs
8636 remap_decls_p properly.
8637 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8638 (find_outermost_region_in_block): New.
8639 (new_label_mapper): New.
8640 (move_sese_region_to_fn): Copy eh information to the new function
8642 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8644 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8647 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8649 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8650 into shared libraries.
8652 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8654 * doc/md.texi: Refer to i386/constraints.md instead of
8656 * config/i386/constraints.md: New file, extracted from...
8657 * config/i386/predicates.md: ...here.
8658 * config/i386/i386.md: Include constraints.md.
8660 2006-03-21 Jason Merrill <jason@redhat.com>
8662 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8665 * expr.c (init_block_move_fn): Force default visibility.
8666 (init_block_clear_fn): Likewise.
8667 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8668 * targhooks.c (default_external_stack_protect_fail): Likewise.
8670 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8672 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8673 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8674 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8675 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8676 (loadgp): Use mips_current_loadgp_style.
8677 (loadgp_noshared): New pattern.
8678 (sibcall_internal): Use MIPS_CALL.
8679 (sibcall_value_internal): Likewise.
8680 (sibcall_value_multiple_internal): Likewise.
8681 (call_internal): Likewise.
8682 (call_value_internal): Likewise.
8683 (call_value_multiple_internal): Likewise.
8684 (call_split): Use MIPS_CALL and add an 'S' constraint.
8685 (call_value_split): Likewise.
8686 (call_value_multiple_split): Likewise.
8687 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8688 (-mshared): New option.
8689 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8690 (mips_current_loadgp_style): Declare.
8691 * config/mips/mips.c (mips_classify_symbol): Avoid using
8692 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8693 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8694 TARGET_ABSOLUTE_ABICALLS.
8695 (override_options): Adjust comments. Improve the warning that is
8696 issued when -mabicalls and -G are used together.
8697 (mips_file_start): Remove comment.
8698 (mips_current_loadgp_style): New function.
8699 (mips_gnu_local_gp): New variable.
8700 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8702 (mips_output_function_prologue): Use mips_current_laodgp_style.
8703 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8704 the cprestore instruction.
8705 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8706 live for TARGET_ABSOLUTE_ABICALLS.
8707 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8708 (ASM_SPEC): Pass down -mshared and -mno-shared.
8709 (MIPS_CALL): New macro.
8710 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8712 * doc/invoke.texi (-mabicalls): Update documentation.
8713 (-mshared): Document.
8715 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8717 * config/ia64/unwind-hpux.c: New file.
8718 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8720 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8723 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8725 2006-03-21 Jeff Law <law@redhat.com>
8727 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8728 type conversions of a VR_VARYING source to a wider type.
8730 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8732 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8733 tm_file on Solaris 10 and later.
8734 (sparc64-*-solaris2*): Likewise.
8735 (sparc-*-solaris2*): Likewise.
8736 * config/sol26.h: Rename to config/sol2-6.h.
8737 * config/sol2-10.h: New file.
8739 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8742 * tree-ssa-pre.c (create_component_ref_by_pieces):
8745 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8748 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8749 return it immediately.
8751 2006-03-21 Michael Matz <matz@suse.de>
8753 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8755 (remove_arc, add_arc): Update num_out_arcs member.
8756 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8758 (cache_presence): New function.
8759 (compare_states_for_equiv): New function.
8760 (state_is_differed): Don't take number of outargs, adjust callers.
8761 Use new invariant for speeding up.
8762 (init_equiv_class): Create initial classes based on sorted
8764 (partition_equiv_class): Don't track out_arcs_num.
8765 (evaluate_equiv_classes): Call cache_presence on all states and
8768 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8770 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8771 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8772 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8773 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8775 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8776 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8777 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8778 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8779 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8781 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8782 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8783 (REGNO_REG_CLASS): ARGP is in PREGS.
8784 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8786 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8787 to deal with those addresses.
8788 * addresses.h: New file.
8789 * caller-save.c: Include "addresses.h".
8790 (init_caller_save): Use new base_reg_class function.
8791 * rtl-factoring.c: Include "addresses.h".
8792 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8793 * recog.c: Include "addresses.h".
8794 (preprocess_constraints): Use new base_reg_class function.
8795 * regrename.c: Include "addresses.h".
8796 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8797 functions. Keep track of a new var INDEX_CODE to compute valid
8799 (replace_oldest_value_addr): Likewise.
8800 (replace_oldest_value_mem): Use base_reg_class.
8801 * reload.c: Include "addresses.h".
8802 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8803 (find_reloads): Use new base_reg_class function.
8804 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8805 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8806 all callers and prototype changed.
8807 * reload1.c: Include "addresses.h".
8808 (maybe_fix_stack_asms): Use base_reg_class.
8809 * regclass.c: Include "addresses.h".
8810 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8811 (init_reg_autoinc): Use new base_reg_class function.
8812 (record_reg_classes): Likewise.
8813 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8814 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8815 Use new args to compute necessary class.
8817 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8818 regrename.o, rtl-factoring.o): Update dependencies.
8819 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8820 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8821 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8822 REG_OK_FOR_INDEX_P): Delete documentation.
8824 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8826 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8827 from V7 to V9 for Solaris 7 and above.
8829 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8831 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8832 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8833 argument pointers may not alias any other storage.
8834 * common.opt: Define option -fargument-noalias-anything.
8835 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8836 alias semantics is specified by flag_argument_noalias > 2.
8838 2006-03-20 Jeff Law <law@redhat.com>
8840 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8841 (pass_phi_only_cprop): Declare.
8842 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8844 * tree-ssa-dom.c (degenerate_phi_result): New function.
8845 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8846 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8847 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8848 (eliminate_degenerate_phis): Likewise.
8849 (pass_phi_only_cprop): New pass descriptor.
8850 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8851 support code. Callers updated.
8852 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8853 (store_copy_prop): Likewise.
8854 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8856 2006-03-20 Jason Merrill <jason@redhat.com>
8859 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8860 (push_visibility, pop_visibility): Likewise.
8861 * c-pragma.h: Declare them.
8863 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8865 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8867 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8868 parameter and use get_ebb_head_tail.
8869 (sh_md_init_global): Adjust uses of find_regmode_weight.
8871 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8873 * function.h (struct function) <x_tail_recursion_reentry>:
8874 Rename to x_stack_check_probe_note.
8875 (tail_recursion_reentry): Rename to stack_check_probe_note.
8876 * function.c: Replace tail_recursion_reentry with
8877 stack_check_probe_note everywhere.
8878 (expand_function_start): Only emit a note for
8879 stack_check_probe_note with -fstack-protect.
8880 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8882 * emit-rtl.c (remove_unnecessary_notes): Remove.
8883 (pass_remove_unnecessary_notes): Remove.
8884 * rtl.h (remove_unnecessary_notes): Remove prototype.
8885 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8886 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8887 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8889 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8892 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8893 (valid_in_set): Handle ARRAY_REF.
8894 Change "if min_variant or VH" to asserts.
8895 (create_component_ref_by_pieces): Handle ARRAY_REF.
8896 (create_expression_by_pieces): Likewise.
8897 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8899 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8901 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8902 is operand of switch, not str[0].
8904 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8906 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8907 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8909 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8911 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8912 end of insn_extra_address_constraint declaration.
8914 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8916 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8917 (no-sum-in-toc): Same.
8918 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8920 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8921 NO_FP_IN_TOC for -fPIC instead of mask.
8923 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8924 (BOOT_LDFLAGS): Delete.
8926 * config/rs6000/t-aix52: Same.
8928 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8929 (stmsi[345678]_power): New.
8931 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8933 * config/ia64/ia64.opt: Add empty line to end of file.
8935 2006-03-17 Richard Guenther <rguenther@suse.de>
8938 * builtins.c (get_pointer_alignment): For component style references
8939 adjust alignment to the component type alignment. Make sure
8940 to adjust alignment for component access of constants.
8942 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8944 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8947 2006-03-17 Paul Brook <paul@codesourcery.com>
8949 * doc/install.texi: Docuemnt --with-mode.
8950 * config.gcc: Add --with-mode for arm*-*-*.
8951 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8953 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8955 * sh.c (max_labelno_before_reorg): New variable.
8956 (sh_reorg): Initialize it.
8957 (find_barrier): Check max_labelno_before_reorg before using
8958 label_to_alignment. Take length of explicit alignment insns
8959 into account. When seeing a UNSPECV_CONST_END, return it.
8961 * sh.c (fixup_mova): Set mode of affected label to QImode.
8962 (untangle_mova): New function.
8963 (find_barrier): Use it. Check mode of label before decrementing
8965 (sh_reorg): Likewise.
8966 Set mode of all insns back to VOIDmode.
8968 * sh.c (MOVA_LABELREF): New macro.
8969 (mova_p, fixup_mova, sh_reorg): Use it.
8970 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8971 ADDR_DIFF_VEC matches mova.
8973 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8975 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8976 with ATTRIBUTE_UNUSED.
8978 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8980 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8981 pointer, instead of assuming it is possible to derive the
8982 correct args size from a call insn.
8984 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8986 * rtl.h (CONST_INT_P): Define.
8987 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8988 instead of GET_CODE(x) == CONST_INT.
8989 (vax_rtx_costs): Likewise.
8990 (vax_output_int_move): Likewise.
8991 (vax_output_int_add): Likewise.
8992 (legitimate_constant_address_p): Likewise.
8993 (index_term_p): Likewise.
8994 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8995 * config/vax/vax.md (and<mode>3): Likewise.
8996 (ashrsi3): Likewise.
8998 (movstricthi): Likewise.
8999 (movstrictqi): Likewise.
9000 (rotrsi3): Likewise.
9001 (five unnamed insns): Likewise.
9003 2006-03-16 Geoffrey Keating <geoffk@apple.com>
9005 * doc/tm.texi (SDB and DWARF): Add extra parameter to
9006 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
9007 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
9008 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
9009 Pass to ASM_OUTPUT_DWARF_OFFSET.
9010 * dwarf2out.c (debug_frame_section): New.
9011 (output_call_frame_info): Use debug_frame_section. Pass it to
9012 dw2_asm_output_offset.
9013 (output_die): Pass appropriate section to dw2_asm_output_offset.
9014 (output_compilation_unit_header): Likewise.
9015 (output_pubnames): Likewise.
9016 (output_aranges): Likewise.
9017 (enum dw_val_class): Break dw_val_class_lbl_offset into
9018 dw_val_class_lineptr and dw_val_class_macptr.
9019 (add_AT_lbl_offset): Delete.
9020 (add_AT_lineptr): New.
9021 (add_AT_macptr): New.
9022 (AT_lbl): Expect a lineptr or macptr.
9023 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
9024 (attr_checksum): Likewise.
9025 (same_dw_val_p): Likewise.
9026 (size_of_die): Likewise.
9027 (value_format): Likewise.
9028 (output_die): Likewise.
9029 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
9031 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9032 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
9033 * config/darwin-protos.h (darwin_file_start): New.
9034 (darwin_asm_output_dwarf_offset): New.
9035 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
9036 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
9038 * config/darwin.c (darwin_emit_unwind_label): Don't output label
9039 if not EH section; simplify.
9040 (darwin_file_start): New.
9041 (darwin_asm_output_dwarf_offset): New.
9042 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
9044 (DEBUG_INFO_SECTION): Likewise.
9045 (DEBUG_ABBREV_SECTION): Likewise.
9046 (DEBUG_ARANGES_SECTION): Likewise.
9047 (DEBUG_MACINFO_SECTION): Likewise.
9048 (DEBUG_LINE_SECTION): Likewise.
9049 (DEBUG_LOC_SECTION): Likewise.
9050 (DEBUG_PUBNAMES_SECTION): Likewise.
9051 (DEBUG_STR_SECTION): Likewise.
9052 (DEBUG_RANGES_SECTION): Likewise.
9053 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
9054 (ASM_OUTPUT_DWARF_OFFSET): New.
9056 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
9058 * config.gcc (tm_defines): Always add to previous value rather
9061 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9063 * config/mips/predicates.md (splittable_const_int_operand): New,
9064 split from move_operand.
9065 (splittable_symbolic_operand): New.
9066 (move_operand): Add commentary. Use splittable_const_int_operand.
9067 Inline mips_atomic_symbolic_constant_p.
9068 * config/mips/mips.md: Add combine splitters for handling moves
9069 of splittable_const_int_operands and splittable_symbolic_operands.
9070 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
9071 (mips_split_symbol): Declare.
9072 (mips_move_integer): Declare.
9073 * config/mips/mips.c (mips_split_p): Make global.
9074 (TARGET_MIN_ANCHOR_OFFSET): Override default.
9075 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
9076 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
9077 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
9078 (mips_offset_within_object_p): Handle block symbols.
9079 (mips_atomic_symbolic_constant_p): Delete.
9080 (mips_cannot_force_const_mem): Return false for constants that
9081 mips_legitimize_move can handle.
9082 (mips_use_blocks_for_constant_p): New function.
9083 (mips_split_symbol): Make global.
9084 (mips_move_integer): Likewise. Add a temporary register argument.
9085 (mips_legitimize_const_move): Use splittable_const_int_operand and
9086 splittable_symbolic_operand.
9087 (mips_use_anchors_for_symbol_p): New function.
9088 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
9089 (mips_split_p): Declare.
9091 2006-03-16 Richard Sandiford <richard@codesourcery.com>
9093 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
9094 (mips*-*-linux*): Likewise.
9096 2006-03-16 Roger Sayle <roger@eyesopen.com>
9097 Daniel Speyer <dspeyer@wam.umd.edu>
9100 * tree-dump.c (dump_real): New function.
9101 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
9102 * Makefile.in (REAL_H): New macro for dependencies on real.h.
9103 (tree-dump.o): Add $(REAL_H) to the dependencies.
9105 2006-03-16 Roger Sayle <roger@eyesopen.com>
9108 * real.c (real_from_string): If the mantissa is zero, don't bother
9109 parsing the exponent as the result should always be zero.
9111 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
9113 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
9115 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9117 * config/ia64/ia64.c (stops_p): Added explicit initialization.
9118 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
9119 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
9120 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
9121 ia64_sched_finish_global): New static functions to implement
9122 hooks from gcc_target.sched.
9123 (spec_check_no, max_uid, pending_data_specs): New static variables.
9124 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
9125 ia64_spec_check_src_p): New static functions.
9126 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
9127 (TARGET_SCHED_ADJUST_COST): Removed.
9128 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
9129 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
9130 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9131 TARGET_SCHED_GEN_CHECK,
9132 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9133 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
9134 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
9135 Fixed to handle speculation checks.
9136 (rtx_needs_barrier): Fixed to handle speculative loads and
9138 (ia64_variable_issue): Added code to count speculative loads and their
9140 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
9142 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
9144 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
9146 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
9147 (ia64_reorg): Reset stops_p to NULL after it is freed.
9148 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
9149 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
9150 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
9152 (data_speculative, control_speculative, check_load): New attributes.
9153 (mov<mode>_advanced, mov<mode>_speculative,
9154 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
9155 zero_extend<mode>di2_speculative,
9156 zero_extend<mode>di2_speculative_advanced): New patterns for
9157 data and control speculative loads.
9158 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
9160 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
9161 New pattern for data and control speculation checks.
9162 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
9163 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
9164 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
9165 Auxiliary definitions for the patterns.
9166 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
9167 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
9169 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
9171 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
9172 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
9173 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
9174 New resource constraints.
9175 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
9177 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
9178 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
9179 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9180 msched-in-control-spec, msched-ldc, msched-control-ldc,
9181 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9182 msched-prefer-non-control-spec-insns,
9183 msched-count-spec-in-critical-path): New flags to tune speculative
9185 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
9186 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
9187 msched-in-control-spec, msched-ldc, msched-control-ldc,
9188 msched-spec-verbose, msched-prefer-non-data-spec-insns,
9189 msched-prefer-non-control-spec-insns,
9190 msched-count-spec-in-critical-path): Document new flags.
9192 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9194 * target.h (struct spec_info_def): New opaque declaration.
9195 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
9196 speculate_insn, needs_block_p, gen_check,
9197 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
9198 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
9199 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
9200 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
9201 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9202 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
9204 (TARGET_SCHED): Use new macros.
9205 * rtl.h (copy_DEPS_LIST_list): New prototype.
9206 * sched-int.h (struct sched_info): Change signature of new_ready field,
9207 adjust all initializations. New fields: add_remove_insn,
9208 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
9209 region_head_or_leaf_p.
9210 (struct spec_info_def): New structure declaration.
9211 (spec_info_t): New typedef.
9212 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
9213 recovery_block, orig_pat.
9214 (glat_start, glat_end): New variables declaraions.
9215 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
9217 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
9218 DETACH_LIFE_INFO, USE_GLAT.
9219 (enum SPEC_SCHED_FLAGS): New enumeration.
9220 (NOTE_NOTE_BB_P): New macro.
9221 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
9222 attach_life_info, debug_spec_status, check_reg_live): New functions.
9223 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
9224 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
9226 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
9227 * ddg.c (get_block_head_tail): Adjust all uses.
9228 * modulo-sched.c (get_block_head_tail): Adjust all uses.
9229 (sms_sched_info): Initialize new fields.
9230 (contributes_to_priority): Removed.
9231 * haifa-sched.c (params.h): New include.
9232 (get_block_head_tail): Adjust all uses.
9233 (ISSUE_POINTS): New macro.
9234 (glat_start, glat_end): New global variables.
9235 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
9236 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
9237 old_last_basic_block, before_recovery, current_sched_info_var,
9238 rgn_n_insns, luid): New static variables.
9239 (insn_cost1): New function. Move logic from insn_cost to here.
9240 (find_insn_reg_weight1): New function. Move logic from
9241 find_insn_reg_weight to here.
9242 (reemit_notes, move_insn, max_issue): Change signature.
9243 (move_insn1): Removed.
9244 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
9245 extend_bb): New static functions to support extension of scheduler's
9247 (generate_recovery_code, process_insn_depend_be_in_spec,
9248 begin_speculative_block, add_to_speculative_block,
9249 init_before_recovery, create_recovery_block, create_check_block_twin,
9250 fix_recovery_deps): New static functions to support
9251 generation of recovery code.
9252 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
9253 restore_bb_notes, move_block_after_check, move_succs): New static
9254 functions to support ebb scheduling.
9255 (init_glat, init_glat1, attach_life_info1, free_glat): New static
9256 functions to support handling of register live information.
9257 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
9258 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
9259 add_jump_dependencies): New static functions.
9260 (check_cfg, has_edge_p, check_sched_flags): New static functions for
9261 consistancy checking.
9262 (debug_spec_status): New function to call from debugger.
9263 (priority): Added code to handle speculation checks.
9264 (rank_for_schedule): Added code to distinguish speculative instructions.
9265 (schedule_insn): Added code to handle speculation checks.
9266 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
9267 Fixed to handle ebbs.
9268 (move_insn): Added code to handle ebb scheduling.
9269 (max_issue): Added code to use ISSUE_POINTS of instructions.
9270 (choose_ready): Added code to choose between speculative and
9271 non-speculative instructions.
9272 (schedule_block): Added code to handle ebb scheduling and scheduling of
9273 speculative instructions.
9274 (sched_init): Initialize new variables.
9275 (sched_finish): Free new variables. Print statistics.
9276 (try_ready): Added code to handle speculative instructions.
9277 * lists.c (copy_DEPS_LIST_list): New function.
9278 * sched-deps.c (extend_dependency_caches): New function. Move logic
9279 from create_dependency_caches to here.
9280 (get_dep_weak, ds_merge): Make global.
9281 * genattr.c (main): Code to output prototype for
9282 dfa_clear_single_insn_cache.
9283 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
9284 (output_dfa_clean_insn_cache_func): Code to output
9285 dfa_clear_single_insn_cache function.
9286 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
9288 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
9290 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
9291 New static variables.
9292 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
9293 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
9295 (ebb_sched_info): Initialize new fields.
9296 (get_block_head_tail): Adjust all uses.
9297 (compute_jump_reg_dependencies): Fixed to use glat_start.
9298 (schedule_ebb): Code to remove unreachable last block.
9299 (schedule_ebbs): Added code to update register live information.
9300 * sched-rgn.c (region_sched_info): Initialize new fields.
9301 (get_block_head_tail): Adjust all uses.
9302 (last_was_jump): Removed. Adjust users.
9303 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
9304 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
9305 Implement new hooks.
9306 (check_dead_notes1): New static function.
9307 (struct region): New fields: dont_calc_deps, has_real_ebb.
9308 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
9309 (BB_TO_BLOCK): Fixed to handle EBBs.
9310 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
9311 (ebb_head): New static variable.
9312 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
9313 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
9315 (compute_dom_prob_ps): New assertion.
9316 (check_live_1, update_live_1): Fixed to work with glat_start instead of
9317 global_live_at_start.
9318 (init_ready_list): New assertions.
9319 (can_schedule_ready_p): Split update code to begin_schedule_ready.
9320 (new_ready): Add support for BEGIN_CONTROL speculation.
9321 (schedule_insns): Fixed code that updates register live information
9323 (schedule_region): Fixed to handle EBBs.
9324 (init_regions): Use extend_regions and check_dead_notes1.
9325 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
9326 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
9327 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
9328 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
9329 TARGET_SCHED_GEN_CHECK,
9330 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
9331 TARGET_SCHED_SET_SCHED_FLAGS): Document.
9332 * doc/invoke.texi (max-sched-insn-conflict-delay,
9333 sched-spec-prob-cutoff): Document.
9335 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9337 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
9338 inter_tick, queue_index.
9339 (struct sched_info): Change signature of init_ready_list field.
9340 Adjust all initializations.
9341 (RESOLVED_DEPS): New access macro.
9342 (ready_add): Remove prototype.
9343 (try_ready): Add prototype.
9344 * sched-rgn.c (init_ready_list): Use try_ready.
9345 (schedule_region): Initialize
9346 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
9347 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
9348 (init_ready_list): Use try_ready.
9349 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
9350 * lists.c (remove_list_elem): Remove `static'.
9351 (remove_free_INSN_LIST_elem): New function.
9352 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
9353 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
9354 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
9356 (readyp): New variable.
9357 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
9358 change_queue_index, resolve_dep): New static functions.
9359 (try_ready): New function. Adjust callers in sched-rgn.c and
9360 sched-ebb.c to use it instead of ready_add.
9361 (clock_var): Move at the begining of file.
9362 (rank_for_schedule): Fix typo.
9363 (queue_insn): Add assertion. Handle QUEUE_INDEX.
9364 (ready_lastpos): Enforce assertion.
9365 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
9367 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
9368 (schedule_insn): Rewrite to use try_ready and resolve_dep.
9369 (queue_to_ready): Use free_INSN_LIST_list.
9370 (early_queue_to_ready): Fix typo.
9371 (schedule_block): Init readyp. Move init_ready_list call after the
9372 initialization of clock_var. Fix error in rejecting insn by
9373 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
9374 that previously corrected INSN_TICKs. Add code for handling
9376 (set_priorities): Fix typo.
9377 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
9378 Clarify comment and code that keeps current_sched_info->next_tail
9381 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9383 * sched-rgn.c (extend_rgns): New static function.
9384 (find_rgns): Use it.
9385 (gather_region_statistics, print_region_statistics): New static
9387 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9388 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9390 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9391 Andrey Belevantsev <abel@ispras.ru>
9393 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9394 * lists.c (unused_deps_list): New variable.
9395 (free_list): Add assertions to verify the proper distinguishing
9396 between INSN_LISTs and DEPS_LISTs.
9397 (find_list_elem, remove_list_elem, remove_list_node): New static
9399 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9400 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9401 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9402 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9404 (free_INSN_LIST_node): Likewise.
9405 * modulo-sched.c (current_sched_info): Initialize flags field.
9406 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9407 * rtl.def (DEPS_LIST): Define.
9408 * rtl.h: Declare new functions from lists.c.
9409 * sched-deps.c (spec_dependency_cache): New static variable.
9410 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9411 (add_dependence): Change return type to void. Move the logic to ...
9412 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9413 (delete_all_dependences): Add comment about forward_dependency_cache.
9414 Handle spec_dependency_cache. Handle DEPS_LISTs.
9415 (fixup_sched_groups): Clarify the change of priority of output
9416 and anti dependencies.
9417 (sched_analyze_2): Adjust add_dependence calls to create data
9418 speculative dependence.
9419 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9420 Adjust all callers. Handle DEPS_LISTS.
9421 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9422 presence of speculation.
9423 (init_dependency_caches, free_dependency_caches):
9424 Handle spec_dependency_cache.
9425 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9426 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9427 New static functions.
9428 (add_or_update_back_dep, add_or_update_back_forw_dep,
9429 add_back_forw_dep, delete_back_forw_dep): New functions.
9430 * sched-int.h (ds_t, dw_t): New typedefs.
9431 (struct sched_info): Add new field flags.
9432 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9433 Prototype new sched-deps.c functions.
9434 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9435 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9436 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9437 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9438 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9439 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9441 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9443 * sched-rgn.c (current_sched_info): Initialize flags field.
9444 (schedule_insns): Initialize current_sched_info before the sched_init
9446 * sched-ebb.c (current_sched_info): Initialize flags field.
9447 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9448 Call add_or_update_back_dep instead of add_dependence.
9449 Create control speculative dependencies.
9450 (schedule_insns): Initialize current_sched_info before the sched_init
9453 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9455 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9457 (sh_fallback_frame_state): Likewise.
9459 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9461 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9462 Do switch on default_use_cxa_atexit.
9463 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9464 * config/darwin-crt3.o: New.
9465 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9466 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9467 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9469 * config/rs6000/t-darwin: Move crt2.o building to here.
9470 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9471 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9474 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9476 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9477 from '! xxx' to '!xxx' for coding-style conformance.
9478 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9479 (EXTRA_CONSTRAINT): Likewise.
9480 * config/vax/vax.md (four unnamed insns): Likewise.
9482 2006-03-15 Paul Brook <paul@codesourcery.com>
9484 * config/arm/arm.c (minipool_pad): New.
9485 (add_minipool_forward_ref): Include pool alignment padding in address
9487 (push_minipool_fix): Set minipool_pad.
9488 (minipool_pad): Ditto.
9490 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9492 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9493 instead of GET_CODE() == MEM and REG_P() instead of
9495 (print_operand_address): Likewise.
9496 (vax_address_cost): Likewise.
9497 (vax_rtx_costs): Likewise.
9498 (vax_notice_update_cc): Likewise.
9499 (vax_output_int_add): Likewise.
9500 (INDEX_REGISTER_P): Likewise.
9501 (BASE_REGISTER_P): Likewise.
9502 (nonindexed_address_p): Likewise.
9503 (vax_mode_dependent_address_p): Likewise.
9504 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9505 (PRINT_OPERAND): Likewise.
9506 * config/vax/vax.md (ashlsi3): Likewise.
9507 (ashlsi3): Likewise.
9508 (some more unnamed insns): Likewise.
9510 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9512 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9513 iterator-style macro.
9514 (mark_control_dependent_edges_necessary): Update the use of
9515 EXECUTE_IF_CONTROL_DEPENDENT.
9517 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9519 * config/sh/predicates.md (cache_address_operand): Special.
9520 (ua_address_operand): Likewise.
9522 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9524 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9526 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9528 2006-03-15 Andreas Schwab <schwab@suse.de>
9530 * gensupport.c (identify_predicable_attribute): Don't free p_false
9531 when it is still in use.
9533 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9535 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9536 the default setting here.
9538 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9540 * tree-pass.h (pass_cfg): Remove.
9541 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9542 * passes.c (pass_cfg): Don't run it.
9544 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9546 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9547 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9549 (stack_regs_mentioned): Update the uses of
9550 stack_regs_mentioned_data. Don't access the array beyond its
9552 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9553 Don't include gt-reg-stack.h.
9555 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9556 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9558 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9561 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9564 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9566 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9568 2006-03-14 Richard Guenther <rguenther@suse.de>
9570 PR tree-optimization/26672
9571 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9574 2006-03-14 Richard Guenther <rguenther@suse.de>
9576 PR tree-optimization/26667
9577 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9578 node for the callees. Always allow inlining if it will shrink
9581 2006-03-14 Richard Guenther <rguenther@suse.de>
9584 * builtins.c (get_pointer_alignment): Prefer alignment
9585 information from decls over that from types.
9587 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9590 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9592 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9594 * config/rs6000/rs6000.opt (mdlmzb): New option.
9595 (msched-prolog, msched-epilog): Use Var not Mask.
9596 * doc/invoke.texi (-mdlmzb): Document.
9597 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9599 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9600 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9602 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9604 PR rtl-optimization/25739
9605 * bt-load.c (augment_live_range): Free tos pointer.
9607 * gensupport.c (identify_predicable_attribute): Free
9609 * gcov.c (create_file_names): Free name pointer.
9611 2006-03-13 Roger Sayle <roger@eyesopen.com>
9614 * stmt.c (emit_case_nodes): Handle the case where the index is a
9615 CONST_INT, where the comparison mode is specified by the index type.
9617 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9619 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9622 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9624 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9625 (*branch_fp_inverted): Likewise.
9627 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9630 * omp-low.c (expand_omp_for_generic): Mark istart0
9631 and iend0 as addressable.
9633 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9635 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9637 2006-03-13 Jeff Law <law@redhat.com>
9639 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9640 virtual operands are interesting.
9641 (vrp_visit_stmt): Corresponding changes.
9643 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9645 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9647 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9648 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9649 * config/bfin/crti.S: Use it instead of __PIC__.
9650 * config/bfin/crtn.S: Likewise.
9652 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9653 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9655 Lose 'G' modifier for call operand.
9656 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9657 recognize 'G' modifier.
9659 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9662 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9663 * stmt.c (expand_case): Likewise.
9665 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9667 PR rtl-optimization/26254
9668 * loop-invariant.c (seq_insns_valid_p): New function.
9669 (move_invariant_reg): Only emit new code if it is valid.
9671 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9673 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9675 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9676 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9677 (commit_one_edge_insertion): Do not look for loop notes.
9679 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9681 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9682 flag_test_coverage out of loop.
9684 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9686 * final.c (shorten_branches): Remove outdated comment, and turn
9687 the if branch that guards it to continue.
9689 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9691 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9692 * cfgloop.h (struct loop): Remove unused fields.
9694 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9696 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9697 (-dL, -fdump-rtl-loop2): Update the dump file names
9699 * doc/invoke.texi: Update dump file names.
9701 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9703 * predict.c (estimate_probability): Remove.
9704 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9705 * basic-block.h (estimate_probability): Remove prototype.
9706 * passes.c (finish_optimization_passes): Dump branch prediction or
9707 profiling heuristics to the .profile tree dump.
9708 (init_optimization_passes): Unqueue pass_branch_prob.
9710 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9712 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9714 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9715 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9717 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9719 * function.h (frame_offset_overflow): Declare.
9720 * function.c (frame_offset_overflow): New function.
9721 (assign_stack_local_1): Call it to detect that the offset overflows.
9722 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9724 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9726 * config/sh/sh.c: Include alloc-pool.h.
9727 (label_ref_list_pool): New alloc pool.
9728 (label_ref_list_t): New type for lists of labels.
9729 (struct pool_node): Make wend a label_ref_list_t.
9730 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9732 (dump_table): Likewise.
9733 (sh_reorg): Set up the alloc pool before using add_constant and
9734 dump_table, and destroy it when finishing.
9736 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9738 * config/mips/mips.c: Remove redundant comment.
9740 2006-03-10 Jason Merrill <jason@redhat.com>
9743 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9744 the target was declared 'register'.
9746 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9748 * genpreds.c (write_insn_constraint_len): Change definition of
9749 insn_constraint_len to return size_t to match the declaration.
9751 2006-03-10 DJ Delorie <dj@redhat.com>
9753 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9755 (m32c_expand_insv): Fix test for an AND mask.
9757 2006-03-10 Richard Guenther <rguenther@suse.de>
9760 * builtins.c (get_pointer_alignment): Handle component
9761 references for field alignment.
9763 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9765 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9766 when building with libgloss.
9767 (sh*elf): Implement --without-fp option.
9768 (sh64-superh-linux*): Don't multilib.
9770 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9772 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9774 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9776 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9777 Set it when one of the replacement functions returned true.
9778 Return TODO_cleanup_cfg if cfgchanged is true.
9779 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9781 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9783 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9784 instead of gen_lowpart.
9786 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9788 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9790 (mips_output_order_conditional_branch): Declare.
9791 * config/mips/mips.h (MIPS_BRANCH): New macro.
9792 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9793 for the comparison. Use gen_condjump.
9794 (mips_output_conditional_branch): Rework interface to take the
9795 asm templates for a direct branch and the inverse of a direct branch.
9796 (mips_output_order_conditional_branch): New function.
9797 (mips_builtin_branch_and_move): New function.
9798 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9799 branch condition. Use gen_single_cc as the condition for
9800 __builtin_mips_upper_* or __builtin_mips_lower_*.
9801 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9802 Use VOIDmode for the branch condition.
9803 * config/mips/predicates.md (order_operator): New predicate.
9804 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9805 (branch_fp): Rename to...
9806 (*branch_fp): ...this. Remove mode from comparison operator.
9807 Use new mips_output_conditional_branch interface.
9808 (branch_fp_inverted): Rename to...
9809 (*branch_fp_inverted): ...this and update as for *branch_fp.
9810 (*branch_zero<mode>): Rename to...
9811 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9812 Use mips_output_order_conditional_branch. Only accept ordered
9814 (*branch_zero<mode>_inverted): Rename to...
9815 (*branch_order<mode>_inverted): ...this and update as for
9816 *branch_order<mode>.
9817 (*branch_equality<mode>): Accept zero as the second operand to
9818 the equality operator. Use the new mips_output_conditional_branch
9820 (*branch_equality<mode>_inverted): Likewise.
9821 (condjump): New expander.
9822 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9824 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9825 (bc1any2t, bc1any2f): Likewise.
9826 (single_cc): New expander.
9827 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9829 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9831 * doc/md.texi: Update documentation of MIPS constraints.
9832 * config/mips/constraints.md: New file.
9833 * config/mips/mips.md: Include it.
9834 * config/mips/mips.c (mips_char_to_class): Delete.
9835 (override_options): Don't initialize mips_char_to_class.
9836 * config/mips/mips.h (mips_char_to_class): Delete.
9837 (REG_CLASS_FROM_LETTER): Delete.
9838 (CONST_OK_FOR_LETTER_P): Delete.
9839 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9840 (EXTRA_CONSTRAINT_Y): Delete.
9841 (EXTRA_CONSTRAINT_STR): Delete.
9842 (CONSTRAINT_LEN): Delete.
9843 (EXTRA_MEMORY_CONSTRAINT): Delete.
9845 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9847 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9848 original fn's eh regions.
9850 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9852 * fold-const.c (build_range_check): Make sure to use a valid type to
9853 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9856 (range_predecessor): New static function.
9857 (range_successor): Likewise.
9858 (merge_ranges): Use them to compute predecessors and successors of
9861 2006-03-09 Roger Sayle <roger@eyesopen.com>
9864 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9865 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9867 2006-03-08 DJ Delorie <dj@redhat.com>
9869 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9870 (addpsi3): Expand to include memory operands. Remove
9871 reload-specific splits.
9872 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9873 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9874 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9875 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9876 (shift1_qi, shift1_hi, insv): New.
9877 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9878 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9879 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9881 * config/m32c/m32c-protos.h: Update as needed.
9882 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9883 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9884 Fail for unrecognized R* constraints.
9885 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9886 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9887 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9889 (m32c_init_libfuncs): New.
9890 (m32c_legitimate_address_p): Add debug wrapper.
9891 (m32c_rtx_costs): New.
9892 (m32c_address_cost): New.
9893 (conversions): Add 'B' prefix.
9894 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9895 operands, or word regnames for QI operands. 'B' prints bit
9897 (m32c_expand_setmemhi): New.
9898 (m32c_expand_movmemhi): New.
9899 (m32c_expand_movstr): New.
9900 (m32c_expand_cmpstr): New.
9901 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9902 (m32c_expand_neg_mulpsi3): Handle non-ints.
9903 (m32c_cmp_flg_0): New.
9904 (m32c_expand_movcc): New.
9905 (m32c_expand_insv): New.
9906 (m32c_scc_pattern): New.
9907 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9908 a0/a1 out of SIregs.
9909 (STORE_FLAG_VALUE): New.
9910 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9913 * config/m32c/mov.md: Make constraints more liberal.
9914 (zero_extendqihi2): Optimize r0/r1 case.
9915 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9916 * config/m32c/predicates.md (m32c_any_operand): New.
9917 (m32c_nonimmediate_operand): New.
9918 (m32c_hl_operand): New.
9919 (m32c_r3_operand): New.
9922 (memsym_operand): New.
9923 (memimmed_operand): New.
9924 (a_qi_operand): New.
9925 (m32c_eqne_operator): New.
9926 (m32c_1bit8_operand): New.
9927 (m32c_1bit16_operand): New.
9928 (m32c_1mask8_operand): New.
9929 (m32c_1mask16_operand): New.
9930 * config/m32c/blkmov.md: New file.
9931 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9933 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9935 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9936 unsigned to fix signed/unsigned comparison issue in
9937 DWARF2_FRAME_REG_OUT.
9938 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9939 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9941 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9942 of ptr into the ENABLE_CHECKING section.
9944 2006-03-08 Jeff Law <law@redhat.com>
9946 * tree-vrp.c (infer_value_range): Only count pointer uses
9947 and dereferences if -fdelete-null-pointer-checks is enabled.
9949 * tree-vrp.c (find_assert_locations): Infer value ranges for
9950 single use pointers, but do not create ASSERT_EXPRs for them.
9951 When a non-null range is inferred for a pointer, backwards
9952 propagate that range to other equivalent pointers through the
9955 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9958 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9959 language hook targets.
9960 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9961 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9962 if language hook targets were missing.
9964 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9966 * tree-ssa-opfinalize.h: Removed.
9967 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9969 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9970 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9971 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9972 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9973 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9974 finalize_ssa_v_must_def_ops): New.
9976 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9978 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9981 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9983 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9985 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9986 addresses with offsets; reorganize.
9988 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9989 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9990 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9992 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9995 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9997 2006-03-08 Ben Elliston <bje@au.ibm.com>
9999 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
10001 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
10004 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
10007 2006-03-07 Richard Guenther <rguenther@suse.de>
10009 PR tree-optimization/26587
10010 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
10012 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10014 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
10016 2006-03-07 Richard Sandiford <richard@codesourcery.com>
10018 * hooks.c (hook_bool_mode_rtx_true): New function.
10019 * hooks.h (hook_bool_mode_rtx_true): Declare.
10020 * toplev.c (compile_file): Call output_shared_constant_pool.
10021 * varasm.c (shared_constant_pool): New variable.
10022 (assemble_start_function, assemble_end_function): Remove arguments
10023 from call to output_constant_pool.
10024 (create_constant_pool): New function, split out from...
10025 (init_varasm_status): ...here.
10026 (force_const_mem): Choose between the shared and per-function constant
10027 pools. Set current_function_uses_const_pool when reusing old entries
10028 as well as when creating new ones.
10029 (mark_constant): Ignore data argument.
10030 (mark_constants): Remove pool argument.
10031 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
10032 to decide whether the function uses a constant pool.
10033 (output_constant_pool_contents): New function, split out from...
10034 (output_constant_pool): ...here.
10035 (output_shared_constant_pool): New function.
10036 (init_varasm_once): Initialize shared_constant_pool.
10037 * output.h (output_constant_pool): Delete.
10038 (output_shared_constant_pool): Declare.
10039 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
10040 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
10042 2006-03-06 Nick Clifton <nickc@redhat.com>
10044 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
10045 flag_strength_reduce.
10047 2006-03-06 Ben Elliston <bje@au.ibm.com>
10049 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
10050 x86_64-*-linux* configurations.
10052 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
10053 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
10055 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10057 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
10059 * basic-block.h: Remove the extern for
10060 rediscover_loops_after_threading.
10062 * cfgloop.c (cancel_loop): Make it static.
10063 * cfgloop.h: Remove the prototype for cancel_loop.
10065 * flow.c (recompute_reg_usage): Make it static.
10066 * rtl.h: Remove the prototype for recompute_reg_usage.
10068 * function.c (use_return_register): Make it static.
10069 * function.h: Remove the prototype.
10071 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10073 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
10075 * recog.h: Remove the prototype for
10076 validate_change_maybe_volatile.
10078 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10080 * rtlanal.c (replace_reg): Remove.
10081 * rtl.h: Remove the prototype for replace_reg.
10083 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
10085 * regclass.c (reg_scan_update): Remove.
10086 (reg_scan_mark_refs): Remove the last argument.
10087 * rtl.h: Remove the prototype for reg_scan_update.
10089 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10091 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
10092 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
10093 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
10094 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
10095 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
10096 loop-invariant.c, omp-low.c, opts.c, passes.c,
10097 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
10098 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
10099 tree-ssa-structalias.c, tree-ssa-threadedge.c,
10100 tree-ssa-threadupdate.c, tree-vect-patterns.c,
10101 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
10102 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
10104 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10106 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
10107 * dwarf2out.h: Remove the prototype for
10108 dwarf2out_add_library_unit_info.
10110 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10112 * tree.c (add_var_to_bind_expr): Remove.
10113 * tree.h: Remove the prototype for add_var_to_bind_expr.
10115 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10117 * regclass.c (n_non_fixed_regs): Remove.
10118 (init_reg_sets_1, globalize_reg): Remove all uses of
10120 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
10122 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10124 * rtlanal.c (insns_safe_to_move_p): Remove.
10125 * rtl.h: Remove the prototype for insns_safe_to_move_p.
10127 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
10129 * expmed.c (expand_mult_add): Remove.
10130 * expr.h: Remove the prototype for expand_mult_add.
10132 2006-03-04 Jakub Jelinek <jakub@redhat.com>
10134 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
10135 and REG_SAVED_VAL_EXP constants.
10136 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
10137 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
10138 Handle regs stored by value.
10139 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
10140 (execute_cfa_program): Handle DW_CFA_val_offset,
10141 DW_CFA_val_offset_sf and DW_CFA_val_expression.
10142 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
10143 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
10144 (uw_install_context_1): Handle target regs stored by value.
10146 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
10148 * tree-sra.c (tree_sra): Return todoflags;
10149 (generate_one_element): Set TODO_update_smt_usage if needed.
10150 (pass_sra): Remove TODO_update_smt_usage.
10151 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
10153 (tree_ssa_forward_propagate_single_use_vars): Return
10154 TODO_update_smt_usage if we need to update SMT usage.
10155 (pass_forwprop): Remove TODO_update_smt_usage.
10157 2006-03-03 Diego Novillo <dnovillo@redhat.com>
10159 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
10160 (correct_use_link): Remove reference to get_stmt_operands.
10161 (update_stmt_operands): Likewise.
10162 (get_modify_expr_operands): New function factored out of
10163 parse_ssa_operands and get_expr_operands.
10164 Try to create V_MUST_DEFs for LHS by default.
10165 (get_expr_operands) <case MODIFY_EXPR>: Call
10166 get_modify_expr_operands.
10167 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
10168 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
10169 (parse_ssa_operands) <case MODIFY_EXPR>: Call
10170 get_modify_expr_operands.
10172 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
10174 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
10175 * tree-flow.h: Remove the prototype for
10176 referenced_var_lookup_if_exists.
10178 2006-03-03 Steve Ellcey <sje@cup.hp.com>
10180 PR rtl-optimization/26345
10182 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
10184 2006-03-03 Roger Sayle <roger@eyesopen.com>
10186 PR tree-optimization/26524
10187 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
10188 fold_convert to create a constant of the appropriate type.
10190 2006-03-03 Richard Sandiford <richard@codesourcery.com>
10192 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10193 SYMBOL_REF_IN_BLOCK_P.
10194 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
10195 of SYMBOL_FLAG_IN_BLOCK.
10196 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
10197 instead of SYMBOL_REF_IN_BLOCK_P.
10198 * explow.c (use_anchored_address): Likewise.
10199 * rtl.c (rtx_size): Likewise.
10200 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
10201 instead of SYMBOL_FLAG_IN_BLOCK.
10202 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10203 SYMBOL_REF_IN_BLOCK_P.
10204 (assemble_variable): Likewise.
10205 (output_constant_def_contents): Likewise.
10206 (output_constant_pool): Likewise.
10207 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
10208 instead of SYMBOL_FLAG_IN_BLOCK.
10209 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10210 SYMBOL_REF_IN_BLOCK_P.
10211 (SYMBOL_REF_BLOCK): Likewise.
10212 (SYMBOL_REF_OFFSET): Likewise.
10213 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
10214 SYMBOL_REF_IN_BLOCK_P.
10215 (SYMBOL_FLAG_IN_BLOCK): Replace with...
10216 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
10217 (SYMBOL_REF_IN_BLOCK_P): Replace with...
10218 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
10220 2006-03-03 Jakub Jelinek <jakub@redhat.com>
10222 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
10224 2006-03-02 Roger Sayle <roger@eyesopen.com>
10226 * simplify-rtx.c (simplify_unary_operation): When simplifying
10227 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
10228 that we perform the right shift in the appropriate mode, and
10229 then extend or truncate the result to requested mode.
10231 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
10233 * gengtype.c (main): Handle double_int type.
10234 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
10235 * double-int.c: New file.
10236 * double-int.h: New file.
10237 * system.h: Include doubleint.h.
10238 * Makefile.in (SYSTEM_H): Include double-int.h.
10239 (double-int.o): Add.
10241 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
10244 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
10247 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10249 * tree-vrp.c (remove_range_assertions): Do not update statements
10252 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10254 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
10256 * gcse.c (rest_of_handle_gcse): Ditto.
10257 * except.c (gate_handle_eh): Ditto.
10258 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
10259 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
10261 2006-03-02 Eric Christopher <echristo@apple.com>
10263 * config/i386/i386.c (machopic_output_stub): Add indirection to
10266 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
10270 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
10272 Sun Niagara specific optimizations.
10273 * config.gcc: Recognize niagara as target.
10274 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
10275 (TARGET_CPU_niagara): Define.
10276 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
10277 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
10278 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10279 (ASM_CPU_SPEC): Likewise.
10280 (PROCESSOR_NIAGARA): New enum entry.
10281 (REGISTER_MOVE_COST): Handle Niagara.
10282 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
10283 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
10284 (sparc_override_options): Recognize "niagara", set appropriate
10285 default MASK_* values for it, and align functions to 32-bytes
10286 by default just like ULTRASPARC/ULTRASPARC3.
10287 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
10288 (sparc64_initialize_trampoline): Likewise.
10289 (sparc_use_sched_lookahead): Use zero for niagara.
10290 (sparc_issue_rate): Use one for niagara.
10291 * config/sparc/niagara.md: New file.
10292 * config/sparc/sparc.md: Include it.
10293 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
10294 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
10295 when default cpu is niagara.
10296 (CPP_CPU_SPEC): Handle -mcpu=niagara.
10297 (ASM_CPU_SPEC): Likewise.
10298 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
10299 when default cpu is niagara.
10300 (ASM_CPU_SPEC): Handle -mcpu=niagara.
10301 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
10302 just like v9/ultrasparc/ultrasparc3.
10303 * doc/invoke.texi: Add documentation for "niagara" and improve
10304 existing documentation for ultrasparc variants.
10306 2006-03-02 Diego Novillo <dnovillo@redhat.com>
10308 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
10310 2006-03-02 Richard Sandiford <richard@codesourcery.com>
10312 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
10313 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
10314 and say that only one is needed.
10315 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
10316 * target.h (have_switchable_bss_sections): New hook.
10317 * explow.c (use_anchored_address): Check that the symbol is in a block.
10318 * varasm.c (tls_comm_section, comm_section, lcomm_section)
10319 (bss_noswitch_section): New variables.
10320 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
10321 (get_noswitch_section): New function.
10322 (get_block_for_section): Allow SECT to be null.
10323 (unlikely_text_section_p): Use SECTION_STYLE.
10324 (bss_initializer_p): New function.
10325 (get_variable_section): Move earlier in file. Take a new argument,
10326 prefer_noswitch_p. Move bss checks from assemble_variable to here.
10327 Return one of the new *_sections in such cases.
10328 (get_block_for_decl): New function, extracting some logic from
10329 use_blocks_for_decl_p.
10330 (change_symbol_section): Remove in favor of...
10331 (change_symbol_block): ...this new function.
10332 (use_blocks_for_decl_p): Remove checks now performed by
10333 get_block_for_decl.
10334 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
10335 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
10336 (emit_local, emit_bss, emit_common): ...these new functions.
10337 Return true if the alignment was honored.
10338 (emit_tls_common): New function.
10339 (asm_emit_uninitialised): Delete.
10340 (assemble_variable_noswitch): New function, split out from...
10341 (assemble_variable): ...here. Don't make decisions about common
10342 variables here. Globalize all public decls that go into non-common
10343 sections. Check whether SYMBOL_REF_BLOCK is null.
10344 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
10345 (output_constant_pool): Likewise.
10346 (init_varasm_once): Initialize the new section variables.
10347 (have_global_bss_p): New function.
10348 (categorize_decl_for_section): Use bss_initializer_p.
10349 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
10350 (place_block_symbol): Assert that the symbol must be in a block.
10351 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
10352 (TARGET_INITIALIZER): Include it.
10353 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
10354 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
10355 (SECTION_MACH_DEP): Bump by two.
10356 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
10357 (unnamed_section): Mention SECTION_UNNAMED in comment.
10358 (named_section): Likewise SECTION_NAMED.
10359 (noswitch_section_callback): New type.
10360 (noswitch_section): New structure.
10361 (section): Add a noswitch_section alternative.
10362 (SECTION_STYLE): New macro.
10363 (tls_comm_section, comm_section, lcomm_section): Declare.
10364 (bss_noswitch_section, have_global_bss_p): Declare.
10365 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10366 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10368 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
10369 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
10372 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
10374 * tree-vrp.c (execute_vrp): Return value.
10375 * regrename.c (rest_of_handle_regrename): Ditto.
10376 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
10377 * tree-complex.c (tree_lower_complex): Ditto.
10378 (tree_lower_complex_O0): Ditto.
10379 * tracer.c (rest_of_handle_tracer): Ditto.
10380 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
10381 * postreload.c (rest_of_handle_postreload): Ditto.
10382 * tree-tailcall.c (execute_tail_recursion): Ditto.
10383 (execute_tail_calls): Ditto.
10384 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
10385 * tree.h (init_function_for_compilation): Ditto.
10386 * ipa-cp.c (ipcp_driver): Ditto.
10387 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10388 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10389 * final.c (compute_alignments): Ditto.
10390 (rest_of_handle_final): Ditto.
10391 (rest_of_handle_shorten_branches): Ditto.
10392 (rest_of_clean_state): Ditto.
10393 * omp-low.c (execute_expand_omp): Ditto.
10394 (execute_lower_omp): Ditto.
10395 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10396 * ipa-reference.c (static_execute): Ditto.
10397 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10398 * reorg.c (rest_of_handle_delay_slots): Ditto.
10399 (rest_of_handle_machine_reorg): Ditto.
10400 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10401 * flow.c (recompute_reg_usage): Ditto.
10402 (rest_of_handle_remove_death_notes): Ditto.
10403 (rest_of_handle_life): Ditto.
10404 (rest_of_handle_flow2): Ditto.
10405 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10406 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10407 (do_ssa_store_ccp): Ditto.
10408 (execute_fold_all_builtins): Ditto.
10409 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10410 * modulo-sched.c (rest_of_handle_sms): Ditto.
10411 * ipa-pure-const.c (static_execute): Ditto.
10412 * cse.c (rest_of_handle_cse): Ditto.
10413 (rest_of_handle_cse2): Ditto.
10414 * web.c (rest_of_handle_web): Ditto.
10415 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10416 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10417 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10418 * tree-nrv.c (tree_nrv): Ditto.
10419 (execute_return_slot_opt): Ditto.
10420 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10421 (create_structure_vars): Ditto.
10422 * loop-init.c (rtl_loop_init): Ditto.
10423 (rtl_loop_done): Ditto.
10424 (rtl_move_loop_invariants): Ditto.
10425 (rtl_unswitch): Ditto.
10426 (rtl_unroll_and_peel_loops): Ditto.
10427 (rtl_doloop): Ditto.
10428 * gimple-low.c (lower_function_body): Ditto.
10429 (mark_used_blocks): Ditto.
10430 * tree-ssa-sink.c (execute_sink_code): Ditto.
10431 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10432 (cgraph_early_inlining): Ditto.
10433 * global.c (rest_of_handle_global_alloc): Ditto.
10434 * jump.c (cleanup_barriers): Ditto.
10435 (purge_line_number_notes): Ditto.
10436 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10437 (rest_of_handle_if_after_reload): Ditto.
10438 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10439 (tree_ssa_loop_im): Ditto.
10440 (tree_ssa_loop_unswitch): Ditto.
10441 (tree_vectorize): Ditto.
10442 (tree_linear_transform): Ditto.
10443 (tree_ssa_loop_ivcanon): Ditto.
10444 (tree_ssa_empty_loop): Ditto.
10445 (tree_ssa_loop_bounds): Ditto.
10446 (tree_complete_unroll): Ditto.
10447 (tree_ssa_loop_prefetch): Ditto.
10448 (tree_ssa_loop_ivopts): Ditto.
10449 (tree_ssa_loop_done): Ditto.
10450 * predict.c (tree_estimate_probability): Ditto.
10451 * recog.c (split_all_insns_noflow): Ditto.
10452 (rest_of_handle_peephole2): Ditto.
10453 (rest_of_handle_split_all_insns): Ditto.
10454 * tree-eh.c (lower_eh_constructs): Ditto.
10455 * regmove.c (rest_of_handle_regmove): Ditto.
10456 (rest_of_handle_stack_adjustments): Ditto.
10457 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10458 * function.c (instantiate_virtual_regs): Ditto.
10459 (init_function_for_compilation): Ditto.
10460 (rest_of_handle_check_leaf_regs): Ditto.
10461 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10462 (rest_of_handle_gcse): Ditto.
10463 * ipa-type-escape.c (type_escape_execute): Ditto.
10464 * alias.c (rest_of_handle_cfg): Ditto.
10465 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10466 * profile.c (rest_of_handle_branch_prob): Ditto.
10467 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10468 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10469 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10470 * tree-dfa.c (find_referenced_vars): Ditto.
10471 * except.c (set_nothrow_function_flags): Ditto.
10472 (convert_to_eh_region_ranges): Ditto.
10473 (rest_of_handle_eh): Ditto.
10474 * emit-rtl.c (unshare_all_rtl): Ditto.
10475 (remove_unnecessary_notes): Ditto.
10476 * except.h (set_nothrow_function_flags): Ditto.
10477 (convert_to_eh_region_ranges): Ditto.
10478 * cfgexpand.c (tree_expand_cfg): Ditto.
10479 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10480 * tree-ssa-pre.c (do_pre): Ditto.
10481 (execute_fre): Ditto.
10482 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10483 (rest_of_handle_jump2): Ditto.
10484 * tree-sra.c (tree_sra): Ditto.
10485 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10486 (execute_mudflap_function_decls): Ditto.
10487 * tree-ssa-copy.c (do_copy_prop): Ditto.
10488 (do_store_copy_prop): Ditto.
10489 * ipa-prop.h (ipcp_driver): Ditto.
10490 * cfglayout.c (insn_locators_initialize): Ditto.
10491 * tree-ssa-forwprop.c
10492 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10493 * cfglayout.h (insn_locators_initialize): Ditto.
10494 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10495 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10496 (execute_late_warn_uninitialized): Ditto.
10497 * rtl.h (cleanup_barriers): Ditto.
10498 (split_all_insns_noflow): Ditto.
10499 (purge_line_number_notes): Ditto.
10500 (unshare_all_rtl): Ditto.
10501 (remove_unnecessary_notes): Ditto.
10502 (recompute_reg_usage): Ditto.
10503 (variable_tracking_main): Ditto.
10504 * integrate.c (emit_initial_value_sets): Ditto.
10505 * integrate.h (emit_initial_value_sets): Ditto.
10506 * tree-optimize.c (execute_free_datastructures): Ditto
10507 (execute_free_cfg_annotations): Ditto.
10508 (execute_fixup_cfg): Ditto.
10509 (execute_cleanup_cfg_pre_ipa): Ditto.
10510 (execute_cleanup_cfg_post_optimizing): Ditto.
10511 (execute_init_datastructures): Ditto.
10512 * tree-object-size.c (compute_object_sizes): Ditto.
10513 * combine.c (rest_of_handle_combine): Ditto.
10514 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10515 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10516 (rest_of_handle_reorder_blocks): Ditto.
10517 (rest_of_handle_partition_blocks): Ditto.
10518 * var-tracking.c (variable_tracking_main): Ditto.
10519 * tree-profile.c (tree_profiling): Ditto.
10520 * tree-vect-generic.c (expand_vector_operations): Ditto.
10521 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10522 * sched-rgn.c (rest_of_handle_sched): Ditto.
10523 (rest_of_handle_sched2): Ditto.
10524 * basic-block.h (free_bb_insn): Ditto.
10525 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10526 * tree-cfg.c (execute_build_cfg): Ditto.
10527 (remove_useless_stmts): Ditto.
10528 (split_critical_edges): Ditto.
10529 (execute_warn_function_return): Ditto.
10530 (execute_warn_function_noreturn): Ditto.
10531 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10532 * cfgrtl.c (free_bb_for_insn): Ditto.
10533 * passes.c (execute_one_pass): Run additional
10534 todos returned by execute function.
10535 * tree-pass.h (struct tree_opt_pass): Make execute
10538 2006-03-02 Richard Guenther <rguenther@suse.de>
10540 * tree-ssa-alias.c (find_used_portions): Consider taking
10541 the address as making the variable not write-only.
10543 2006-03-02 Nick Clifton <nickc@redhat.com>
10545 * config.gcc (default_use_cxa_atexit): Extend the description of
10546 this configure variable. Set its default value to "yes" for
10547 Linux, NetBSD and ELF targets on the assumption that they will
10548 use C libraries with the __cxa_atexit function.
10550 2006-03-02 Ben Elliston <bje@au.ibm.com>
10552 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10553 parameter as unused to suppress a build warning.
10555 2006-03-02 Ben Elliston <bje@au.ibm.com>
10557 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10560 2006-03-01 Roger Sayle <roger@eyesopen.com>
10563 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10564 declared name, the weak reference name, and the typeof name.
10565 (__gthrw): Avoid expanding the declared name suffix.
10566 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10568 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10570 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10572 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10573 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10574 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10575 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10576 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10577 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10578 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10579 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10580 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10581 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10582 (DW_END_default, DW_END_big, DW_END_little): New.
10583 (DW_END_lo_user, DW_END_hi_user): Define.
10584 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10585 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10586 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10589 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10591 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10593 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10595 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10597 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10599 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10600 to 'symbol_mem_tag'.
10602 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10605 2006-03-01 Roger Sayle <roger@eyesopen.com>
10607 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10609 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10612 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10613 MACHO_DYNAMIC_NO_PIC_P.
10614 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10616 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10619 * config/darwin-protos.h (darwin_asm_output_anchor):
10621 * config/darwin-sections.def (cstring_section):
10622 Add SECTION_MERGE to the flags.
10623 (literal4_section): Likewise.
10624 (literal8_section): Likewise.
10625 (objc_selector_refs_section): Likewise.
10626 (objc_cls_refs_section): Likewise.
10627 * config/darwin.c (darwin_asm_output_anchor): New
10629 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10631 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10633 Fix PR tree-optimization/26443
10634 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10635 to todo and PROP_tmt_usage to properties_destroyed.
10636 * tree-ssa-ccp.c (pass_ccp): Ditto.
10637 (pass_store_ccp): Ditto.
10638 * tree-ssa-dom.c (pass_dominator): Ditto.
10640 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10642 * tree-ssa-operands.c: Cleanup whitespace.
10643 (get_asm_expr_operands): Move before first invocation.
10644 (get_indirect_ref_operands): Likewise.
10645 (get_tmr_operands): Likewise.
10646 (get_call_expr_operands): Likewise.
10647 (append_def): Likewise.
10648 (append_use): Likewise.
10649 (append_v_may_def): Likewise.
10650 (append_v_must_def): Likewise.
10651 (add_call_clobber_ops): Likewise.
10652 (add_call_read_ops): Likewise.
10653 (add_stmt_operand): Likewise.
10654 (add_virtual_operand): Likewise.
10655 (build_ssa_operands): Likewise.
10657 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10659 PR middle-end/26022
10661 PR middle-end/24437
10662 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10663 with a call expr to ...
10664 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10666 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10668 * tree-vrp.c (extract_range_from_assert): Remove special
10669 handling for types with super-types.
10671 2006-03-01 Ben Elliston <bje@au.ibm.com>
10673 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10674 and powerpc64-*-linux* configurations.
10675 * config/t-dfprules: New file.
10677 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10678 Compile dfp-bit.c from the source directory using -DWIDTH and
10679 $DFP_CFLAGS to control the compilation of that file, rather than
10680 generating width-specific versions in the build directory.
10681 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10682 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10684 2006-02-28 Zack Weinberg <zackw@panix.com>
10686 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10689 2006-02-28 Eric Christopher <echristo@apple.com>
10691 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10692 Set up IN_LIBGCC definition of TARGET_64BIT.
10693 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10695 2006-02-28 Roger Sayle <roger@eyesopen.com>
10697 PR middle-end/14752
10698 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10699 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10700 cases via the construction of "expr != 0".
10702 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10704 * alias.c (alias_invariant, alias_invariant_size): Remove.
10705 (record_base_value): Remove.
10706 (memrefs_conflict_p): Don't look at alias_invariant.
10707 (end_alias_analysis): Don't free it.
10708 * alias.h (record_base_value): Remove prototype.
10710 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10711 Adam Nemet <anemet@caviumnetworks.com>
10713 * rtl.h (truncated_to_mode): Declare it.
10714 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10715 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10716 (RTL_HOOKS_INITIALIZER): Include it.
10717 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10718 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10719 reg_truncated_to_mode.
10720 * rtlanal.c (truncated_to_mode): Define it.
10721 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10723 2006-02-28 Jeff Law <law@redhat.com>
10725 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10726 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10727 the range allowed by TYPE_PRECISION.
10729 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10731 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10733 PR tree-optimization/26419
10734 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10737 2006-02-27 Zack Weinberg <zackw@panix.com>
10739 * doc/md.texi: Fix typo in previous change.
10741 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10745 2006-02-27 Zack Weinberg <zackw@panix.com>
10747 * rtl.def (define_constraint, define_register_constraint)
10748 (define_memory_constraint, define_address_constraint): New MD forms.
10749 * gensupport.c (process_rtx): Put define_constraint etc on the
10751 * genpreds.c (process_define_predicate): Adjust comment. Validate
10752 the name, and call validate_exp to validate the expression.
10753 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10754 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10755 all callers changed.
10756 (validate_exp, needs_variable, struct constraint_data)
10757 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10758 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10759 (const_dbl_constraints, constraint_max_namelen)
10760 (have_register_constraints, have_memory_constraints)
10761 (have_address_constraints, have_address_constraints)
10762 (have_extra_constraints, have_const_int_constraints)
10763 (have_const_dbl_constraints, mangle, add_constraint)
10764 (process_define_constraint, process_define_register_constraint)
10765 (write_enum_constraint_num, write_lookup_constraint)
10766 (write_insn_constraint_len, write_regclass_for_constraint)
10767 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10768 (write_insn_extra_memory_constraint)
10769 (write_insn_extra_address_constraint)
10770 (write_satisfies_constraint_fns): New.
10771 (write_tm_preds_h): If we have new-style constraint definitions,
10772 prototype the functions generated from them, and define the
10773 old constraint interface (still used by generic code) in terms of
10775 (write_insn_preds_c): If we have new-style constraint definitions,
10776 generate all relevant functions from those definitions.
10777 (main): Handle define_constraint etc.
10778 * genoutput.c (struct constraint_data, indep_constraints)
10779 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10780 (mdep_constraint_len): New data structures and functions, defined
10781 #ifdef USE_MD_CONSTRAINTS.
10782 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10783 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10784 use new logic to validate operand constraints against constraint
10786 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10788 * defaults.h: If none of the old-style constraint macros are
10789 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10790 old-style macros; and poison REG_CLASS_FROM_LETTER,
10791 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10793 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10794 * doc/md.texi: Document new constraint-definition mechanism and the
10795 C interface it provides. Remove references to old mechanism
10796 elsewhere in the document.
10797 (Machine Constraints): Use pathnames relative to gcc directory,
10798 i.e. config/ARCH/FILE. Change i386 section to refer to
10799 config/i386/predicates.md; update that section to match docstrings.
10800 * doc/tm.texi: Move all documentation of the old constraint-
10801 definition macros to their own section, clearly mark as obsolete.
10803 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10804 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10806 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10807 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10808 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10809 constraint strings.
10810 (splits and peepholes): Use satisfies_constraint_*.
10811 * config/i386/i386.c (memory_address_length)
10812 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10814 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10816 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10817 scalar operation to be put back into the loop.
10819 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10822 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10823 (extract_cie_info): Handle S flag in augmentation string.
10824 (execute_cfa_program): If context->signal_frame, execute also
10825 fs->pc == context->ra instructions.
10826 (uw_frame_state_for): If context->signal_frame, don't subtract one
10827 from context->ra to find FDE.
10828 (uw_update_context_1): Set context->signal_frame to
10830 (_Unwind_GetIPInfo): New function.
10831 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10832 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10834 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10835 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10836 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10837 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10838 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10839 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10840 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10841 x86_64_fallback_frame_state): Set fs->signal_frame.
10842 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10843 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10844 (frob_update_context): Likewise. Workaround missing S flag in
10845 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10846 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10847 Remove the psw_addr + 1 hack.
10849 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10851 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10852 with aggregates here.
10853 (find_func_aliases): Remove code for &<aggregate> from here.
10855 2006-02-26 Roger Sayle <roger@eyesopen.com>
10857 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10858 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10859 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10860 as (X & C) ne/eq 0.
10862 2006-02-26 Roger Sayle <roger@eyesopen.com>
10864 PR middle-end/19983
10865 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10867 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10869 * opts.c (decode_options): Do not handle flag_strength_reduce.
10870 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10871 and OPT_fstrength_reduce.
10872 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10873 flag_prefetch_loop_arrays for being nonzero.
10874 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10876 (fprefetch-loop-arrays-rtl): Removed.
10877 (flag_prefetch_loop_arrays): Do not specify the value.
10879 * doc/passes.texi: Update documentation of loop optimizer
10881 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10882 -frerun-loop-opt): Remove.
10884 2006-02-26 Richard Guenther <rguenther@suse.de>
10886 PR tree-optimization/26421
10887 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10888 in function calls that are ADDR_EXPRs as using the whole structure.
10890 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10892 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10893 * tree-pass.h (pass_loop_optimize): Remove.
10894 * passes.c (pass_loop_optimize): Never run it.
10895 * toplev.c (backend_init): Don't call init_loop.
10896 * opts.c (flag_loop_optimize_set): Remove.
10897 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10898 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10899 the old RTL loop optimizer when profiling enabled.
10900 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10901 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10902 pre-headers for the sake of the old RTL loop optimizer.
10903 * Makefile.in: Remove all references to loop.o.
10905 * doc/invoke.texi: Remove all references to -floop-optimize
10906 and -frerun-loop-opt.
10908 2006-02-26 Zack Weinberg <zackw@panix.com>
10910 * doc/md.texi (Machine Constraints): Refer to all files with paths
10911 relative to gcc directory (i.e. config/CPU/file). Add missing
10912 @table @code ... @end table to M32C subsection.
10914 2006-02-26 Roger Sayle <roger@eyesopen.com>
10916 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10918 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10920 2006-02-26 Roger Sayle <roger@eyesopen.com>
10921 James A. Morrison <phython@gcc.gnu.org>
10923 PR middle-end/21137
10924 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10925 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10926 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10927 signedness of the shift operation.
10929 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10931 PR tree-optimization/26359
10932 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10934 2006-02-25 Roger Sayle <roger@eyesopen.com>
10936 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10937 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10938 as X == 0, and some symmetry related transformations.
10939 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10941 2006-02-25 Roger Sayle <roger@eyesopen.com>
10943 PR middle-end/23673
10944 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10945 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10946 symmetry related transformations. Fold (X^C1) == C2 as
10949 2006-02-25 Juergen Weigert <jw@suse.de>
10950 Richard Guenther <rguenther@suse.de>
10952 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10954 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10956 * combine.c (gen_lowpart_or_truncate): Call
10957 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10959 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10961 * doc/invoke.texi: Move -fopenmp description to "Options for
10963 Remove reference to -lgomp.
10965 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10967 * doc/install.texi: Require GNU tar version 1.14.
10969 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10971 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10972 * doc/invoke.texi (C++ Dialect Options): Document
10973 -fno-use-cxa-get-exception-ptr.
10974 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10975 * configure: Regenerate.
10976 * c.opt (fuse-cxa-get-exception-ptr): New.
10977 * c-opts.c (c_common_handle_option): Handle
10978 OPT_fuse_cxa_get_exception_ptr.
10979 * c-common.c (flag_use_cxa_atexit): Update documentation.
10980 (flag_use_cxa_get_exception_ptr): New.
10981 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10982 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10984 (C_COMMON_OVERRIDE_OPTIONS): New.
10986 2006-02-24 Roger Sayle <roger@eyesopen.com>
10988 PR middle-end/24952
10989 * combine.c (try_combine): Explicitly check whether GET_CODE is
10990 a SET or a CLOBBER, instead on checking that it isn't a USE.
10992 2006-02-24 Roger Sayle <roger@eyesopen.com>
10994 * fold-const.c (fold_comparison): New subroutine of fold_binary
10995 containing transformations common to both the equality and
10996 ordering relational operators, factored out of fold_binary.
10997 (fold_binary): Separate out the equality operators (EQ_EXPR
10998 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10999 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
11000 transformations common to both.
11001 (fold_div_compare): Fix latent bugs in the previously unreachable
11002 LT_EXPR and GE_EXPR cases.
11004 2006-02-24 David Edelsohn <edelsohn@gnu.org>
11006 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
11007 decl libname for clog to __clog on AIX.
11009 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
11011 2006-02-24 Alan Modra <amodra@bigpond.net.au>
11014 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
11015 output traceback table for thunks. Localise rs6000_stack_info call.
11017 2006-02-23 Roger Sayle <roger@eyesopen.com>
11018 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11020 * gthr-posix.h (__gthrw): Fix typo in comment.
11022 2006-02-23 Geoffrey Keating <geoffk@apple.com>
11024 * doc/cpp.texi (Character sets): Document that we do support
11025 input files to be in any character set.
11027 2006-02-23 Jeff Law <law@redhat.com>
11029 * tree.h (PHI_ARG_NONZERO): Remove.
11030 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
11031 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
11032 node to the new node.
11034 PR tree-optimization/26425
11035 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
11036 min/max, then assume its varying.
11038 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11040 PR rtl-optimization/26316
11041 * rtlanal.c (enum may_trap_p_flags): New.
11042 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
11043 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
11044 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
11045 (may_trap_after_code_motion_p): New function.
11046 * loop-invariant.c (find_identical_invariants): Fix dump formating.
11047 (find_invariant_insn): Use may_trap_after_code_motion_p.
11048 * rtl.h (may_trap_after_code_motion_p): Declare.
11050 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
11052 * emit-rtl.c (immed_double_const): Cleanup.
11054 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
11056 Fix PR tree-optimization/26376
11057 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
11060 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11062 PR middle-end/26412
11063 * gimplify.c (omp_add_variable): Guard variable size decl test with
11064 DECL_SIZE (decl) check.
11066 2006-02-23 Richard Guenther <rguenther@suse.de>
11068 PR middle-end/26439
11069 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
11070 like aggregate types.
11072 2006-02-23 Jakub Jelinek <jakub@redhat.com>
11074 * configure.ac: Add --with{,out}-long-double-128 configure option.
11075 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
11076 * configure: Rebuilt.
11077 * config.in: Rebuilt.
11078 * doc/install.texi (Options specification): Document
11079 --with-long-double-128.
11081 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11082 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11083 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
11084 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
11086 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
11088 * config/s390/s390.c (override_options): Handle
11089 TARGET_DEFAULT_LONG_DOUBLE_128.
11091 * config/alpha/alpha.c (override_options): Handle
11092 TARGET_DEFAULT_LONG_DOUBLE_128.
11094 * config/sparc/sparc.c (sparc_override_options): Handle
11095 TARGET_DEFAULT_LONG_DOUBLE_128.
11097 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
11099 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
11100 (real-install-headers-tar, real-install-headers-cpio)
11101 (real-install-headers-cp): New targets.
11103 2006-02-22 Richard Sandiford <richard@codesourcery.com>
11105 * tree.h (variable_section): Delete.
11106 * varasm.c (variable_section): Delete.
11108 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
11110 * install.texi: Add notes on install.texi2html.
11111 (Building in parallel): Do not use footnotes.
11113 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
11116 * doc/install.texi (Configuration): Document --disable-libgomp.
11118 2006-02-21 Geoffrey Keating <geoffk@apple.com>
11120 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
11122 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11124 * config/i386/sse.md (vec_extractv2df_1_sse): New.
11125 (vec_extractv2df_0_sse): New.
11127 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
11129 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
11130 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
11131 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
11132 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
11133 to the result of the expression.
11134 (def_cfa_1): Adjust.
11135 (frame_pointer_cfa_offset): Rename to...
11136 (frame_pointer_fb_offset): ... this. Adjust all uses.
11137 (convert_cfa_to_loc_list): Rename to...
11138 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
11139 Pass it on to build_cfa_loc.
11140 (compute_frame_pointer_to_cfa_displacement): Rename to...
11141 (compute_frame_pointer_to_fb_displacement): ... this. New
11142 offset parameter. Use it in computation.
11143 (gen_subprogram_die): Compute cfa_fb_offset with the new
11144 macro, and use it to compute the fb loc list and the
11147 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
11149 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
11150 replaced with register_operand.
11151 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
11152 non-DREG is expensive.
11153 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
11154 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
11157 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
11159 * doc/install.texi2html: Use set -e.
11161 2006-02-21 Richard Sandiford <richard@codesourcery.com>
11163 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11164 (ASM_OUTPUT_SHARED_LOCAL): Delete.
11165 * doc/invoke.texi (-fshared-data): Delete.
11166 * common.opt (fshared-data): Delete.
11167 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
11168 (assemble_static_space): Remove #if 0 code.
11169 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
11170 (ASM_OUTPUT_SHARED_LOCAL): Poison.
11171 * config/cris/cris.h: Remove FIXME.
11173 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
11175 * doc/sourcebuild.texi (Front End Directory): No more double-colon
11178 2006-02-21 Jakub Jelinek <jakub@redhat.com>
11180 PR middle-end/26379
11181 * combine.c (simplify_shift_const_1): Disable nested shifts
11182 optimization for vector shifts.
11184 2006-02-20 Roger Sayle <roger@eyesopen.com>
11186 PR tree-optimization/26361
11187 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
11188 of unsigned integer types.
11190 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
11192 * tree-chrec.c (eq_evolutions_p): New.
11193 * tree-chrec.h (eq_evolutions_p): Declared.
11194 * tree-data-ref.c: Fix formatting.
11195 (datadep_stats, dependence_stats): New.
11197 (print_direction_vector): New.
11198 (dump_data_dependence_relation): Use print_direction_vector.
11199 (object_analysis, create_data_ref): Handle COMPONENT_REF.
11200 (compute_subscript_distance): Static.
11201 (initialize_data_dependence_relation): Static. Get the number
11202 of loops surrounding the references from the callers, and initialize
11203 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
11204 base_object_differ_p analyzers.
11205 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
11206 compute_overlap_steps_for_affine_1_2,
11207 analyze_subscript_affine_affine): Count the classified dependences.
11208 Print a message when a test failed.
11209 (can_use_analyze_subscript_affine_affine): New.
11210 (analyze_siv_subscript): Compute the data dependences on symbolic
11211 scevs that verify can_use_analyze_subscript_affine_affine.
11212 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
11213 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
11214 Handle symbolic scevs.
11215 (analyze_overlapping_iterations): Let symbolic affine scevs to be
11217 (subscript_dependence_tester): Moved...
11218 (build_classic_dist_vector, build_classic_dir_vector): Don't use
11219 lambda_vector_clear on newly allocated vectors. Get nb_loops from
11220 DDR_SIZE_VECT instead of getting it in parameter.
11221 (subscript_dependence_tester): ... here. Take as a parameter
11222 loop_nest_depth. Call build_classic_dist_vector and
11223 build_classic_dir_vector.
11224 (compute_affine_dependence): Update subscript_dependence_tester
11225 parameters. Update datadep_stats counters. Call
11226 compute_subscript_distance.
11227 (compute_self_dependence): Save the dist and dir vectors. Call
11228 compute_subscript_distance.
11229 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
11230 (compute_all_dependences): Reorder parameters as they were before
11231 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
11232 compute_subscript_distance. Update the use of
11233 compute_affine_dependence and initialize_data_dependence_relation.
11234 (find_data_references_in_loop): Handle COMPONENT_REF.
11235 (compute_data_dependences_for_loop): Initialize dependence_stats.
11236 Don't call build_classic_dist_vector and build_classic_dir_vector.
11237 Update the parameters of initialize_data_dependence_relation and
11238 compute_all_dependences. Print the statistics from datadep_stats.
11239 (analyze_all_data_dependences): Static. Not used until the pass for
11240 checking the data dependences is contributed.
11241 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
11242 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
11243 (initialize_data_dependence_relation, compute_affine_dependence,
11244 analyze_all_data_dependences, compute_subscript_distance): Removed.
11245 (print_direction_vector): New.
11246 * lambda.h (gcd): ... here.
11247 (lambda_vector_gcd): Moved here from gcd_vector.
11248 * lambda-code.c (gcd, gcd_vector): Removed.
11249 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
11250 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
11252 2006-02-20 Diego Novillo <dnovillo@redhat.com>
11254 * ipa-type-escape.c: Tidy some comments and white space.
11255 * tree-ssa-operands.c: Likewise.
11257 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
11260 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
11261 (dump_decl_name): Do not walk the decl tree chains.
11262 * tree-pass.h (TDF_CHAIN): Remove.
11264 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11266 * Makefile.in (C): Remove
11268 (.PHONY): Remove C and PROTO
11270 2006-02-20 Roger Sayle <roger@eyesopen.com>
11272 PR middle-end/26236
11273 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
11274 deprecated CHAR_TYPE tree code.
11276 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11278 * configure.ac (target_list): Add install-info, dvi, html.
11279 * configure: Regenerate.
11281 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
11282 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
11283 treelang/Make-lang.in: Do not use double-colon rules.
11285 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
11287 * tree.h (struct tree_memory_tag): Add is_used_alone member.
11288 (TMT_USED_ALONE): New macro.
11289 * tree-pass.h (PROP_tmt_usage): New property.
11290 (TODO_update_tmt_usage): New todo.
11291 * tree-ssa-alias.c (updating_used_alone): New variable.
11292 (recalculate_used_alone): New function.
11293 (compute_may_aliases): Set updating_used_alone, call
11294 recalculate_used_alone.
11295 * tree-sra.c (pass_sra): Note that this pass destroys
11296 PROP_tmt_usage, and add TODO_update_tmt_usage.
11297 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
11298 * tree-flow.h (updating_used_alone): Prototype.
11299 (recalculate_used_alone): Ditto.
11300 * passes.c (execute_todo): Add code to set updating_used_alone,
11301 and call recalculate.
11302 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
11303 for clobber if used alone, and add assert to verify used_alone
11306 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
11308 * config/s390/s390.c (legitimize_pic_address): Assertions checking
11309 for non tls symbols added.
11310 (legitimize_address): Do nothing for PLUS expressions if one of the
11311 addends is a tls symbol reference.
11313 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
11317 * Makefile.in (LDFLAGS): Define from autoconf substitution.
11319 * Makefile.in (BOOTSTRAPPING): New.
11320 (quickstrap): New definition if BOOTSTRAPPING=yes.
11322 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
11323 * configure.ac: Substitute all_selected_languages with the languages
11324 that were configured. For all the other variables except
11325 lang_specs_files, include all the languages in the tree.
11326 * configure: Regenerate.
11328 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
11329 if there is one. Run the commands to run fixincludes in the same
11332 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
11333 * doc/install.texi: Document exact conventions for searching target tools.
11334 Document --with-build-time-tools. Document toplevel bootstrap. Document
11335 something more about building an Ada cross-compiler. Don't list GNU Make
11336 requirements which affect all platforms.
11338 2006-02-19 Roger Sayle <roger@eyesopen.com>
11340 PR middle-end/19543
11341 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
11342 only equivalent if the have both the same mode and precision.
11344 2006-02-20 Ben Elliston <bje@au.ibm.com>
11346 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
11348 2006-02-19 Roger Sayle <roger@eyesopen.com>
11349 Steven Bosscher <stevenb.gcc@gmail.com>
11351 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
11352 constant pool references to identify stack mode constants.
11353 * rtlanal.c (constant_pool_constant_p): New predicate to check
11354 whether operand is a floating point constant in the pool.
11355 * rtl.h (constant_pool_constant_p): Prototype here.
11356 * loop.c (scan_loop): Avoid hoisting constants from the constant
11357 pool on STACK_REGS targets.
11358 (load_mems): Likewise.
11359 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
11360 loads into x87 registers expensive in terms of register pressure.
11362 2006-02-19 Roger Sayle <roger@eyesopen.com>
11364 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
11365 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
11367 2006-02-19 David Edelsohn <edelsohn@gnu.org>
11369 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
11370 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
11372 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
11374 * doc/invoke.texi: Document -fipa-pta.
11375 * common.opt: Add ipa-pta option.
11376 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
11377 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
11378 (do_ds_constraint): Ditto.
11379 (get_constraint_for): Only add to referenced_vars if
11380 referenced_vars exists.
11381 (insert_into_field_list): Rewrite to do this unsorted.
11382 (insert_into_field_list_sorted): Rename old insert_into_field_list
11384 (create_function_info_for): Use insert_into_field_list_sorted.
11385 (create_variable_info_for): Rewrite so it uses unsorted version,
11386 since the field list is sorted.
11387 (intra_create_variable_infos): Only add to referenced_vars if
11388 referenced_vars exists.
11389 (ipa_pta_execute): Init heapvars, and delete when done.
11390 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11392 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11394 * doc/install.texi: Add missing `@samp'.
11396 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11398 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11401 2006-02-18 Mark Wielaard <mark@klomp.org>
11403 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11404 who added new 4.1 features, bug fixes and integration support.
11406 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11409 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11410 MEM for ABI_V4 pic.
11412 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11414 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11415 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11416 (copy_insn_1): Likewise. Don't copy each field individually.
11418 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11420 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11421 * rtl.c (rtx_size): Rename variable to...
11422 (rtx_code_size): ...this.
11423 (rtx_size): New function.
11424 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11425 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11427 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11428 * rtl.h (rtx_code_size): New variable.
11429 (rtx_size): Change from a variable to a function.
11430 (RTX_SIZE): Rename to...
11431 (RTX_CODE_SIZE): ...this.
11434 PR tree-optimization/17106
11435 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11436 (Anchored Addresses): New section.
11437 * doc/invoke.texi (-fsection-anchors): Document.
11438 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11439 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11440 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11441 * hooks.c (hook_bool_mode_rtx_false): New function.
11442 * hooks.h (hook_bool_mode_rtx_false): Declare.
11443 * gengtype.c (create_optional_field): New function.
11444 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11445 SYMBOL_REF_IN_BLOCK_P is true.
11446 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11447 (min_anchor_offset, max_anchor_offset): Likewise.
11448 (use_anchors_for_symbol_p): New hook.
11449 * toplev.c (compile_file): Call output_object_blocks.
11450 (target_supports_section_anchors_p): New function.
11451 (process_options): Check that -fsection-anchors is only used on
11452 targets that support it and when -funit-at-a-time is in effect.
11453 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11454 if the decl doesn't have one.
11455 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11456 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11457 of force_const_mem through use_anchored_address.
11458 (expand_expr_constant): New function.
11459 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11460 calling expand_expr for INDIRECT_REF.
11461 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11462 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11463 * expr.h (use_anchored_address): Declare.
11464 * loop-unroll.c: Don't declare rtx vectors here.
11465 * explow.c: Include output.h.
11466 (validize_mem): Call use_anchored_address.
11467 (use_anchored_address): New function.
11468 * common.opt (-fsection-anchors): New switch.
11469 * varasm.c (object_block_htab, anchor_labelno): New variables.
11470 (hash_section, object_block_entry_eq, object_block_entry_hash)
11471 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11472 (use_blocks_for_decl_p, change_symbol_section): New functions.
11473 (get_variable_section): New function, split out from assemble_variable.
11474 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11475 use_blocks_for_decl_p say so. Use change_symbol_section if the
11476 symbol has already been created.
11477 (assemble_variable_contents): New function, split out from...
11478 (assemble_variable): ...here. Don't output any code for
11479 block symbols; just pass them to place_block_symbol.
11480 Use get_variable_section and assemble_variable_contents.
11481 (get_constant_alignment, get_constant_section, get_constant_size): New
11482 functions, split from output_constant_def_contents.
11483 (build_constant_desc): Create a block symbol if use_object_blocks_p
11484 says so. Or into SYMBOL_REF_FLAGS.
11485 (assemble_constant_contents): New function, split from...
11486 (output_constant_def_contents): ...here. Don't output any code
11487 for block symbols; just pass them to place_section_symbol.
11488 Use get_constant_section and get_constant_alignment.
11489 (force_const_mem): Create a block symbol if use_object_blocks_p and
11490 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11491 (output_constant_pool_1): Add an explicit alignment argument.
11492 Don't switch sections here.
11493 (output_constant_pool): Adjust call to output_constant_pool_1.
11494 Switch sections here instead. Don't output anything for block symbols;
11495 just pass them to place_block_symbol.
11496 (init_varasm_once): Initialize object_block_htab.
11497 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11498 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11499 (place_block_symbol, get_section_anchor, output_object_block)
11500 (output_object_block_htab, output_object_blocks): New functions.
11501 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11502 (TARGET_ASM_OUT): Include it.
11503 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11504 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11505 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11506 (TARGET_INITIALIZER): Include them.
11507 * rtl.c (rtl_check_failed_block_symbol): New function.
11508 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11509 (block_symbol, object_block): New structures.
11510 (rtx_def): Add a block_symbol field to the union.
11511 (BLOCK_SYMBOL_CHECK): New macro.
11512 (rtl_check_failed_block_symbol): Declare.
11513 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11514 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11515 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11516 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11517 * output.h (output_section_symbols): Declare.
11518 (object_block): Name structure.
11519 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11520 (default_use_anchors_for_symbol_p): Declare.
11521 * Makefile.in (RTL_BASE_H): Add vec.h.
11522 (explow.o): Depend on output.h.
11523 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11524 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11525 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11526 (rs6000_use_blocks_for_constant_p): New function.
11528 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11530 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11532 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11535 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11538 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11540 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11544 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11546 PR middle-end/26334
11547 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11548 instead of DECL_REGISTER.
11550 2006-02-18 Olivier Hainque <hainque@adacore.com>
11553 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11555 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11558 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11559 * opth-gen.awk: Handle Var and InverseMask together.
11560 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11561 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11562 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11563 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11565 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11566 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11567 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11568 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11569 LINUX_DYNAMIC_LINKER): Define.
11570 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11571 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11573 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11574 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11575 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11576 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11577 (TARGET_C99_FUNCTIONS): Don't define.
11578 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11579 GLIBC_DYNAMIC_LINKER.
11580 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11581 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11582 GLIBC_DYNAMIC_LINKER64): Define.
11583 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11584 LINUX_DYNAMIC_LINKER64.
11585 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11586 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11587 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11588 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11589 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11590 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11591 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11592 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11593 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11594 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11595 and LINUX_DYNAMIC_LINKER32.
11596 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11598 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11599 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11600 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11602 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11603 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11604 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11605 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11606 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11607 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11608 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11609 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11610 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11611 LINUX_DYNAMIC_LINKER): Define.
11612 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11613 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11614 GLIBC_DYNAMIC_LINKER64): Define.
11615 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11616 LINUX_DYNAMIC_LINKER64.
11617 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11618 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11619 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11620 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11621 LINUX_DYNAMIC_LINKER): Define.
11622 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11623 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11624 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11625 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11626 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11627 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11628 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11629 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11630 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11631 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11632 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11633 * doc/invoke.texi (-muclibc): Remove caveat about supported
11636 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11638 * doc/cpp.texi (__TIMESTAMP__): Document.
11640 2006-02-17 Roger Sayle <roger@eyesopen.com>
11642 PR middle-end/25600
11643 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11644 C is one less than the width of X (and related transformations).
11645 * simplify-rtx.c (simplify_unary_operation_1): Transform
11646 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11647 depending on STORE_FLAG_VALUE, were C is one less then the
11650 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11652 Fix PR tree-optimization/26341
11653 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11654 about NAME_MEMORY_TAG's.
11656 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11659 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11660 with hardware float support, and software float support. Add fcpy
11661 alternative to hardware patterns. Add alternatives to copy between
11662 general and floating-point registers to the 32-bit pattern.
11663 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11664 secondary reload to load a QI or HI mode constant into a floating
11666 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11667 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11669 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11672 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11674 (load_macho_picbase_di): Likewise.
11676 2006-02-16 Jeff Law <law@redhat.com>
11678 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11679 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11680 (ssa_name_nonzero_p): Likewise.
11681 (get_value_range): Return NULL if VRP is not running.
11682 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11683 VRP routines do not discover a range.
11684 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11685 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11686 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11687 (tree_expr_nonnegative_p): Similarly.
11688 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11689 (restore_nonzero_vars_to_original_value): Remove.
11690 (unsafe_associative_fp_binop): Remove.
11691 (tree_ssa_dominator_optimize): Remove initialization and
11692 finalization of nonzero_vars and nonzero_vars_stack.
11693 (dom_opt_initialize_block): No longer push marker on
11694 nonzero_vars_stack.
11695 (dom_opt_finalize_block): No longer call
11696 restore_nonzero_vars_to_original_value.
11697 (record_equivalences_from_phis): No longer look for
11698 nonzero PHI arguments.
11699 (cprop_into_successor_phis): No longer propagate nonzero
11700 property into PHI arguments. Lose unused argument. Caller
11702 (record_equivalences_from_stmt): No longer record nonzero
11703 values for SSA_NAMEs.
11704 (lookup_avail_expr): No longer use nonzero_vars.
11706 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11707 for sizetype when sizetype is unsigned.
11709 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11711 PR rtl-optimization/25603
11712 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11713 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11714 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11715 with new meaning of SETS.
11717 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11722 * config/linux.opt: New file.
11723 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11724 LINUX_DYNAMIC_LINKER): Define.
11725 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11726 * config.gcc (*-*-linux*): Define extra_options.
11727 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11728 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11729 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11730 GLIBC_DYNAMIC_LINKER.
11731 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11732 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11733 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11734 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11735 * doc/invoke.texi (GNU/Linux Options): New section.
11737 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11739 * config/sparc/sparc.md (setjmp): Rewrite.
11740 (setjmp_32): Delete.
11741 (setjmp_64): Likewise.
11743 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11745 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11748 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11750 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11753 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11755 PR rtl-optimization/26296
11756 * Makefile.in (loop-invariant.c): Add except.h dependency.
11757 * loop-invariant.c: Include except.h.
11758 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11760 2005-02-16 Paul Brook <paul@codesourcery.com>
11762 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11765 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11767 PR rtl-optimization/25636
11768 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11769 when deciding whether an insn is an initializing insn.
11771 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11773 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11774 (tree_code_size): Ditto.
11775 * tree.h (struct tree_memory_tag): Remove parent_var.
11776 (struct tree_struct_field_tag): New.
11779 (union tree_node): Add sft member.
11780 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11782 (create_sft): Add size and offset argument, set SFT_OFFSET and
11784 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11785 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11786 * tree-flow-inline.h (get_subvar_at): Update for
11787 SFT_OFFSET/SFT_SIZE.
11788 (var_can_have_subvars): Ditto.
11789 (overlap_subvar): Ditto.
11790 * print-tree.c (print_node): Print out interesting things for
11792 * tree-flow.h (struct subvar): Remove offset and size members.
11793 * tree-ssa-operands.c (get_expr_operands): Update for
11794 get_indirect_ref_operands changes.
11795 (get_indirect_ref_operands): Call add_virtual_operand instead of
11796 add_stmt_operand. Only recurse on base var if requested.
11797 (access_can_touch_variable): New function.
11798 (add_stmt_operand): Split virtual operand handling into ...
11799 (add_virtual_operand): Here. Add offset, size, and for_clobber
11800 arguments. Prune alias sets.
11801 (add_call_clobber_ops): Call add_virtual_operand.
11803 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11805 PR middle-end/26300
11806 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11808 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11809 than TREE_CODE as index into omp_clause_num_ops array.
11811 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11813 PR rtl-optimization/26184
11814 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11816 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11817 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11818 must_precede, must_follow and tobe_scheduled.
11821 * opts.c (common_handle_option): Free new_option pointer.
11822 * df-core.c (df_analyze): Free postorder pointer.
11824 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11826 * Makefile.in: Fix the examples about the use of stamps
11828 2006-02-15 Michael Matz <matz@suse.de>
11830 PR middle-end/22275
11832 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11833 influenced by maximum_field_alignment or DECL_PACKED.
11834 (update_alignment_for_field): Ditto.
11835 (place_field): Ditto.
11836 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11839 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11841 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11842 (debug_flow_info): Pass it.
11843 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11844 * bb-reorder.c (reorder_basic_blocks): Likewise.
11845 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11846 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11847 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11848 * gcse.c (gcse_main, bypass_jumps): Likewise.
11849 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11850 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11851 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11852 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11853 * rtl.h (dump_flow_info): Adjust prototype.
11854 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11855 * var-tracking.c (variable_tracking_main): Likewise.
11856 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11857 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11860 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11862 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11865 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11867 PR tree-optimization/26209
11868 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11869 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11871 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11873 2006-02-14 Roger Sayle <roger@eyesopen.com>
11875 PR middle-end/23670
11876 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11877 (X,Y) and the corresponding symmetry related transformations.
11878 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11879 (X,Y) and its symmetry related transformations.
11881 2006-02-14 Roger Sayle <roger@eyesopen.com>
11883 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11886 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11888 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11890 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11893 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11894 support COMDAT group.
11895 * configure: Regenerate.
11897 2006-02-14 Roger Sayle <roger@eyesopen.com>
11899 PR middle-end/26279
11900 PR middle-end/26280
11901 PR middle-end/26283
11902 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11904 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11906 Fix PR tree-optimization/26260
11908 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11910 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11911 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11912 * tree-ssa-structalias.c (create_variable_info_for): Use
11913 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11915 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11917 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11919 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11920 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11921 of the ending condition.
11922 * tree-ssa-loop-manip.c: Include params.h.
11923 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11924 tree_unroll_loop): New functions.
11925 * tree-pass.h (pass_loop_prefetch): Declare.
11926 * loop.c (rest_of_handle_loop_optimize): Test for
11927 -fprefetch-loop-arrays-rtl.
11928 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11929 * timevar.def (TV_TREE_PREFETCH): New timevar.
11930 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11931 pass_loop_prefetch): New.
11932 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11933 (cleanup_tree_cfg_loop): Call scev_reset.
11934 * common.opt (fprefetch-loop-arrays-rtl): Add.
11935 * tree-ssa-loop-prefetch.c: New file.
11936 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11937 (new_temp_expr_table): Initialize expr_vars.
11938 (free_temp_expr_table): Cleanup expr_vars.
11939 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11940 expressions from being merged into one.
11941 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11942 (struct tree_niter_desc): Add control, bound and cmp fields.
11943 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11945 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11946 (tree-cfgcleanup.o): Add SCEV_H dependency.
11947 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11948 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11950 2006-02-14 Richard Guenther <rguenther@suse.de>
11952 PR tree-optimization/26258
11953 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11954 in PHI argument processing.
11956 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11958 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11959 new expression in the requested machine mode.
11961 2006-02-13 Roger Sayle <roger@eyesopen.com>
11963 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11964 directly, instead let do_compare_rtx_and_jump handle this for us.
11965 * expr.c (expand_expr_real_1): Likewise.
11966 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11967 before do_jump_by_parts_greater.
11968 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11969 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11971 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11973 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11975 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11977 PR rtl-optimization/26235
11978 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11979 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11982 2006-02-13 Jeff Law <law@redhat.com>
11984 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11987 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11989 PR middle-end/26092
11990 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11991 twice if decl is a builtin. When trying again, call get_callee_fndecl
11992 first to verify it is still a builtin.
11994 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11996 * dwarf2out.c (base_type_die): Don't add AT_name here.
11997 (subrange_type_die): Don't add AT_name here.
11998 (modified_type_die): Rearrange code flow. Do add AT_name here.
12000 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
12002 PR rtl-optimization/26247
12003 PR rtl-optimization/26248
12004 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
12006 2006-02-13 Richard Sandiford <richard@codesourcery.com>
12008 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
12009 * config/fixtfdi.c: Likewise.
12010 * config/fixunstfdi.c: Likewise.
12011 * config/floatditf.c: Likewise.
12013 2006-02-13 Roger Sayle <roger@eyesopen.com>
12015 PR middle-end/24427
12016 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
12017 into (X,C2) if C1 is a subset of the bits of C2. Transform
12018 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
12020 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
12022 2006-02-13 Josh Conner <jconner@apple.com>
12025 * varasm.c (function_section): Check for section name before
12026 calling select_section on targets that define
12027 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
12028 unlikely_text_section instead of hot_function_section if
12029 first_function_block_is_cold.
12031 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
12033 PR middle-end/25335
12034 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
12036 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12038 PR rtl-optimization/26222
12039 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
12040 after tree->rtl expansion.
12041 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
12042 before passing it to emit_move_insn.
12044 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
12046 * doc/invoke.texi (-Write-strings): Document that it is enabled by
12048 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
12049 Clarify documentation.
12050 * c-common.h (warn_write_strings): Remove.
12051 * c-common.c (warn_write_strings): Likewise.
12052 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
12055 2006-02-12 Roger Sayle <roger@eyesopen.com>
12057 PR middle-end/25724
12058 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
12059 (do_jump_parts_zero_rtx): New function renamed from
12060 do_jump_parts_equality_rtx. Made static. Add a mode argument.
12061 (do_jump_parts_equality_rtx): New function split out from
12062 do_jump_parts_equality. Old implementation renamed as above.
12063 Call do_jump_parts_zero_rtx if either operand is zero.
12064 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
12065 do all of the heavy lifting.
12066 (do_compare_rtx_and_jump): Handle multi-word comparisons by
12067 calling either do_jump_by_parts_greater_rtx or
12068 do_jump_by_parts_equality_rtx.
12069 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
12070 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
12071 moved to do_compare_rtx_and_jump, call it directly.
12072 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
12073 mode argument. Call do_compare_rtx_and_jump.
12074 (emit_case_nodes): Update calls to do_jump_if_equal.
12076 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12078 PR rtl-optimization/26225
12079 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
12081 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
12083 PR rtl-optimization/26232
12084 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
12086 2006-02-11 Jason Merrill <jason@redhat.com>
12089 * tree-inline.c (declare_return_variable): Just don't use the
12090 modify target if it's a gimple complex reg and the return slot
12093 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
12095 * doc/contrib.texi: Update my entry.
12097 2006-02-10 Geoffrey Keating <geoffk@apple.com>
12099 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
12101 2006-02-10 Diego Novillo <dnovillo@redhat.com>
12103 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
12106 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
12108 * doc/invoke.texi (-floop-optimize2): Removed.
12109 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
12110 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
12111 Test flag_branch_on_count_reg only if HAVE_doloop_end.
12112 * common.opt (floop-optimize2): Removed.
12113 (fmove-loop-invariants): Enabled by default.
12115 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
12117 * tree-if-conv.c (combine_blocks): Free the result of
12118 get_loop_exit_edges.
12120 2006-02-10 Jeff Law <law@redhat.com>
12122 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
12124 PR tree-optimization/26213
12125 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
12126 loop trying to follow SSA_NAME_VALUE chains.
12128 2006-02-10 Richard Guenther <rguenther@suse.de>
12130 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
12131 deal with structures that end in implicitly variable sized arrays.
12133 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12135 PR rtl-optimization/24762
12136 * df-scan.c (df_bb_refs_record): Record correct registers defined on
12139 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
12141 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
12142 (struct ivopts_data): Add regs_used field.
12143 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
12144 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
12145 instead of loop_data->regs_used;
12146 (free_loop_data): Do not free aux fields for loops.
12147 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
12148 and tree_ssa_iv_optimize_finalize.
12150 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
12152 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
12154 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12157 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
12158 computing the effective result type.
12160 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
12162 PR inline-asm/16194
12163 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
12164 (tree_overlaps_hard_reg_set): Declare.
12165 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
12166 type and signature to match function type expected by walk_tree.
12167 (tree_overlaps_hard_reg_set): New function.
12168 (decl_conflicts_with_clobbers_p): Rename to:
12169 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
12170 Use tree_overlaps_hard_reg_set. Changed caller.
12171 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
12172 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
12173 * cris.c (cris_md_asm_clobbers): Likewise.
12175 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
12177 * reload1.c (emit_input_reload_insns): Delete code that tries to
12178 inherit using find_equiv_reg.
12180 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
12182 * c-common.h (flag_const_strings): Don't declare.
12183 * c-common.c (flag_const_strings): Remove.
12184 * c.opt (fconst_strings): Remove.
12185 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
12186 <OPT_Wwrite_strings>: Don't set flag_const_strings.
12187 (c_common_init_options): Don't set flag_const_strings.
12188 * doc/invoke.texi (-fno-const-strings): Remove documentation.
12190 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
12192 * arm.md (tlobits_cbranch): New pattern.
12193 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
12194 testing a single bit.
12196 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12199 * tree-ssa-pre.c (create_component_ref_by_pieces):
12200 Handle RETURN_DECL like VAR_DECL.
12202 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12204 PR middle-end/26134
12205 * fold-const.c (fold_indirect_ref_1): Fold
12206 "*(foo *)&complexfoo" to "__real__ complexfoo"
12207 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
12209 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
12211 * tree-flow-inline.h (var_can_have_subvars):
12212 Volatile variables should not have subvariables.
12214 2006-02-09 Diego Novillo <dnovillo@redhat.com>
12217 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
12218 multiplying unsigned values.
12221 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
12223 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
12225 2006-02-08 Jason Merrill <jason@redhat.com>
12228 * tree.def: Elaborate on difference from MODIFY_EXPR.
12229 * doc/c-tree.texi (INIT_EXPR): Likewise.
12230 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
12231 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
12232 (gimplify_target_expr): Likewise.
12233 (gimplify_cond_expr): Remove target handling.
12234 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
12235 (gimplify_expr): Clobber it here.
12236 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
12237 Do return slot optimization if we have an INIT_EXPR.
12240 * tree-inline.c (declare_return_variable): Also clear
12241 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
12244 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
12246 PR middle-end/22439
12247 * gimplify.c (gimplify_one_sizepos): Fix typo.
12249 2006-02-08 Jeff Law <law@redhat.com>
12251 PR tree-optimization/21417
12252 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
12253 across a backedge if the control statement at the end of the
12254 block is data dependent on other statements in the same block.
12255 (record_temporary_equivalences_from_stmts): Remove over-conservative
12256 test for threading across backedges.
12258 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
12259 control statement, handle all three special cases in the same
12260 manner as they all have the same desired solution. No longer
12261 special case edge flag updating when the post dominator is
12264 2006-02-08 Roger Sayle <roger@eyesopen.com>
12266 * tree.def (CHAR_TYPE): Remove.
12267 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
12268 * dwarf2out.c (base_type_die, is_base_type): Likewise.
12269 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
12270 (gen_string_type_die): Delete unreachable function.
12272 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
12273 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
12274 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
12275 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
12276 * builtins.c (type_to_class): Likewise.
12277 * fold-const.c (fold_convert, build_range_check,
12278 merge_ranges): Likewise.
12279 * expr.c (count_type_elements): Likewise.
12280 * c-pretty-print.c (pp_c_type_specifier): Likewise.
12281 * stor-layout.c (layout_type): Likewise.
12282 * ipa-type-escape.c (type_to_consider): Likewise.
12283 * gimplify.c (omp_firstprivatize_type_sizes,
12284 gimplify_type_sizes): Likewise.
12285 * explow.c (promote_mode): Likewise.
12286 * tree-sra.c (is_sra_scalar_type): Likewise.
12287 * varasm.c (output_constant): Likewise.
12288 * tree-inline.c (remap_type_1): Likewise.
12289 * convert.c (convert_to_pointer, convert_to_real,
12290 convert_to_integer, convert_to_complex): Likewise.
12292 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
12294 * df-scan.c (df_def_record_1): A set destination may
12295 be a parallel regardless of mode.
12297 2006-02-08 Roger Sayle <roger@eyesopen.com>
12300 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
12301 * config/mips/_tilib.c: Remove.
12302 * config/fixtfdi.c: New libgcc source file.
12303 * config/fixunstfdi.c: New source file.
12304 * config/floatditf.c: New source file.
12305 * config/floatunditf.c: New souce file.
12306 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
12307 files above instead of config/mips/_tilib.c.
12308 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
12310 2006-02-08 Jeff Law <law@redhat.com>
12312 PR tree-optimization/26169
12313 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
12316 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
12318 * df.h (DF_REG_SIZE): Return the length of the initialized
12321 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
12323 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
12324 __muldf3): Return a correctly signed zero.
12326 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
12328 * passes.c (register_one_dump_file): Accept the current properties
12329 instead of pass number. Adjust call to dump_register. Remove
12331 (register_dump_files): Now a wrapper around...
12332 (register_dump_files_1): ... this one. Do not modify the pass
12334 (next_pass_1): Cosmetic fix.
12335 (execute_todo): Keep second parameter only. Use curr_properties
12336 instead of fetching it from the pass structure. Check and set
12338 (execute_one_pass): Handle TODO_set_props. Use curr_properties
12339 instead of fetching it from the pass structure. Fix calls to
12340 execute_todo. Update curr_properties and initialize .vcg RTL dump
12341 after running the pass. Reset last_verified.
12342 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
12344 (FIRST_AUTO_NUMBERED_DUMP): New.
12345 (dump_register): Remove "num" parameter, assign it within the
12347 (get_dump_file_name): Modify template for dumps.
12348 * tree-dump.h (dump_register): Adjust prototype.
12349 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
12350 (PROP_trees): Add PROP_gimple_lomp.
12351 (TODO_set_props): New.
12352 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
12353 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
12354 * cfgexpand.c (pass_expand): Destroy PROP_trees.
12356 2006-02-08 Jakub Jelinek <jakub@redhat.com>
12358 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
12359 (sparc64-*-linux*): Likewise.
12360 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
12361 * config/sparc/t-linux: New file.
12362 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
12363 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
12364 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
12365 -m32 -mlong-double-128.
12367 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
12368 * config/alpha/t-linux: New file.
12369 * config/alpha/libgcc-alpha-ldbl.ver: New file.
12371 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
12372 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
12373 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
12374 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
12375 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
12376 (CPP_ARCH32_SPEC): Remove.
12378 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
12380 PR tree-optimization/26145
12381 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
12384 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12387 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12388 >= 240000 when generating code for SOM runtime.
12389 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12390 to $$dyncall when generating code for SOM runtime..
12392 2006-02-07 Dirk Mueller <dmueller@suse.com>
12395 * doc/invoke.texi (-Wsequence-point): Update documentation
12396 that -Wsequence-point is implemented for C++ as well.
12398 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12400 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12401 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12402 (LIB_SPEC): Likewise.
12403 * doc/invoke.texi (SPARC options): Document -pthread.
12405 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12407 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12410 2006-02-07 Roger Sayle <roger@eyesopen.com>
12412 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12413 Correct comment describing BOOLEAN_TYPE.
12415 2006-02-07 Dirk Mueller <dmueller@suse.com>
12417 * c.opt: C++ frontend supports -Wdiv-by-zero.
12418 * c-opts.c (c_common_handle_option): Remove dead case.
12420 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12422 * configure.ac (TLS assembler check): Do not enable TLS by
12423 default on SPARC/Solaris before version 10.
12424 * configure: Regenerate.
12426 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12428 * doc/invoke.texi (xl-compat): Document conversion and support
12431 2006-02-07 Jeff Law <law@redhat.com>
12433 * tree-vrp.c (find_conditional_asserts): Update comments.
12434 (simplify_stmt_for_jump_threading): New.
12435 (identify_jump_threads, finalize_jump_threads): New.
12436 (vrp_finalize): Call identify_jump_threads.
12437 (execute_vrp): Call finalize_jump_threads.
12438 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12439 (vrp_element, vrp_data, vrp_element_p): Remove.
12440 (vrp_hash_elt, vrp_variables_stack): Remove.
12441 (vrp_hash, vrp_eq, record_range): Remove.
12442 (simplify_cond_and_lookup_avail_expr): Remove.
12443 (extract_range_from_cond): Remove.
12444 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12445 (simplify_stmt_for_jump_threading): New.
12446 (dom_thread_across_edge): New wrapper.
12447 (tree_ssa_dominator_optimize): No longer initialize or
12448 finalize any of the VRP datastructures. Remove iteration
12449 step and simplify as a result of removal of iteration step.
12450 (pass_dominator): Perform a cfg cleanup after DOM.
12451 (dom_opt_finalize_block): Use the new common routines
12452 for threading jumps. Simplify stack management slightly.
12453 No longer need to unwind VRP state.
12454 (record_equivalences_from_incoming_edge): No longer record
12456 (eliminate_redundant_computations): No longer call
12457 simplify_cond_and_lookup_avail_expr.
12458 * tree-flow.h (potentially_threadable_block): Prototype.
12459 (thread_across_edge): Likewise.
12460 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12461 (tree-ssa-threadedge.o): Add dependencies.
12462 * tree-ssa-threadedge.c: New file.
12463 * passes.c (init_optimization_passes): Merge PHIs before
12464 calling VRP. Run VRP again late in the SSA optimization pipeline.
12466 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12468 * df-core.c (df_set_blocks): Do not dereference function pointers.
12469 (df_finish1): Likewise.
12470 (df_hybrid_search_forward): Likewise.
12471 (df_hybrid_search_backward): Likewise.
12472 (df_iterative_dataflow): Likewise.
12473 (df_analyze_problem): Likewise.
12474 (df_compact_blocks): Likewise.
12475 (df_dump): Likewise.
12476 * df-scan.c (df_rescan_blocks): Likewise.
12477 (df_record_entry_block_defs): Likewise.
12479 * genconditions.c (write_conditions): Guard the definition of
12480 'insn_conditions' with the check on GCC version.
12481 (write_writer): Guard the traversal 'insn_conditions' with
12482 the check on GCC version.
12484 2006-02-07 Richard Guenther <rguenther@suse.de>
12488 2006-01-30 Richard Guenther <rguenther@suse.de>
12490 * gimplify.c (gimplify_target_expr): Handle easy cases
12491 without creating a temporary.
12493 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12495 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12496 use of float in probability computations. Use edge probabilities
12497 in place of statically computed probabilities.
12498 (min_spec_prob): New static variable.
12499 (schedule_insns): Initialize it.
12500 (GET_SRC_PROB): Removed.
12501 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12503 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12506 * config/ia64/unwind-ia64.c: Revert last change.
12507 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12508 (INCOMING_FRAME_SP_OFFSET): Define.
12510 2006-02-06 Roger Sayle <roger@eyesopen.com>
12512 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12514 2006-02-07 Ben Elliston <bje@au.ibm.com>
12516 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12517 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12518 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12519 (ix86_return_in_memory): Handle TDmode.
12520 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12521 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12523 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12525 * reorg.c (dbr_schedule): Use dump_file instead of file.
12527 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12530 * config/ia64/predicates.md (extr_len_operand): New predicate.
12531 * config/ia64/ia64.md (extv): Tighten constraints.
12533 (*tbit_and_2): Ditto.
12534 (*tbit_and_3): Ditto.
12535 (*tbit_or_2): Ditto.
12536 (*tbit_or_3): Ditto.
12537 (*bit_zero): Ditto.
12540 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12543 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12545 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12547 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12548 loop_optimizer_init and loop_optimizer_finalize
12549 * tree-ssa-sink.c (execute_sink_code): Ditto.
12550 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12551 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12552 tree_ssa_loop_done): Ditto.
12553 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12554 * sched-ebb.c: Include output.h.
12555 (schedule_ebbs): Do not use dump argument.
12556 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12557 * loop.c (loop_dump_stream): Removed.
12558 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12560 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12561 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12562 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12563 loop_iterations, strength_reduce, record_biv, record_giv,
12564 final_giv_value, check_final_value, check_ext_dependent_givs,
12565 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12566 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12567 dump_file instead of loop_dump_stream.
12568 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12569 argument dump_file.
12570 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12572 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12573 * haifa-sched.c: Include output.h
12574 (schedule_insns, sched_init): Do not use dump argument.
12575 * mode-switching.c (optimize_mode_switching): Ditto.
12576 * modulo-sched.c (stats_file): Removed.
12577 (print_node_sched_params): Do not call argument dump_file.
12578 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12579 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12581 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12583 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12584 rtl_loop_init, rtl_loop_done): Ditto.
12585 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12586 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12588 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12589 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12590 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12591 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12592 * emit-rtl.c (renumber_insns): Ditto.
12593 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12594 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12595 * regclass.c (regclass): Ditto.
12596 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12597 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12598 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12599 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12601 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12602 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12604 * gcse.c (gcse_file, debug_stderr): Removed.
12605 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12606 rest_of_handle_gcse): Do not use dump argument.
12607 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12608 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12609 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12610 compute_code_hoist_vbeinout, compute_code_hoist_data,
12611 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12612 compute_store_table, build_store_vectors, insert_insn_start_bb,
12613 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12614 store_motion): Use dump_file instead of gcse_file.
12615 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12616 * profile.c (profile_dump_file): Removed.
12617 (branch_prob): Use dump_file instead of profile_dump_file.
12618 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12620 * tree-ssa-copy.c (dump_copy_of): Ditto.
12621 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12622 dump file to life_analysis.
12623 * bt-load.c (branch_target_load_optimize): Ditto.
12624 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12626 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12627 regclass, dbr_schedule): Declaration changed.
12628 * sched-int.h (sched_init): Declaration changed.
12629 * tree-profile.c (tree_profile_dump_file): Removed.
12630 (tree_profile_hooks): Removed profile_dump_file hook.
12631 * rtl-profile (rtl_profile_dump_file): Removed.
12632 (rtl_profile_hooks): emoved profile_dump_file hook.
12633 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12635 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12636 * tree-cfg.c (build_tree_cfg): Ditto.
12637 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12638 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12639 Declaration changed.
12640 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12641 life_analysis and schedule_insns.
12642 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12644 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12646 * config/mips/mips.c (mips_reorg): Ditto.
12647 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12650 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12652 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12653 (s390_mangle_fundamental_type): New.
12654 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12657 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12658 (alpha_mangle_fundamental_type): New.
12659 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12662 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12664 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12666 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12667 (sparc_mangle_fundamental_type): New.
12669 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12671 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12672 (s390x-*-linux*): Likewise.
12673 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12674 * config/s390/t-linux: New file.
12676 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12678 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12679 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12681 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12683 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12684 (ANTIC_SAFE_LOADS): New macro.
12685 (find_or_generate_expression): Add prototype.
12686 (set_contains_value): Allow null set for sake of not always having
12687 to allocate ANTIC_SAFE_LOADS.
12688 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12689 Allow COMPONENT_REF too.
12690 (valid_in_set): Allow COMPONENT_REF.
12691 Check ANTIC_SAFE_LOADS too.
12692 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12693 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12695 (can_PRE_operation): Add COMPONENT_REF.
12696 (create_component_ref_by_pieces): New function.
12697 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12698 (insert_aux): Move AGGREGATE_TYPE_P check here.
12699 (compute_avail): Set bb local stmt uids.
12700 (pass_pre): Use TODO_update_ssa_only_virtuals.
12702 2006-02-06 Ben Elliston <bje@au.ibm.com>
12704 * configure.ac: Unconditionally disable decimal float by default.
12705 * configure: Regenerate.
12707 2006-02-06 Ben Elliston <bje@au.ibm.com>
12709 * read-rtl.c (read_name): Terminate reading on EOF.
12711 2006-02-06 Ben Elliston <bje@au.ibm.com>
12713 * dfp.c (decimal_real_arithmetic): Change second argument type
12714 from int to enum tree_code. Do not always return true, but now
12715 return result of any call to decimal_do helper functions.
12716 * dfp.h (decimal_real_arithmetic): Update prototype.
12718 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12720 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12722 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12725 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12728 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12730 * tree-vrp.c (cfg_loops): Removed.
12731 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12732 Use current_loops instead of cfg_loops. Pass flags to
12733 loop_optimizer_init.
12734 * cfgloopmanip.c (fix_loop_structure): Update only available
12736 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12737 loop_optimizer_init.
12738 * modulo-sched.c (build_loops_structure): Removed.
12739 (sms_schedule): Use loop_optimizer_init.
12740 * loop-init.c (loop_optimizer_init): Use flags to determine
12741 which properties of loops to prepare.
12742 (rtl_loop_init): Pass flags to loop_optimizer_init.
12743 * tree-ssa-sink.c (execute_sink_code): Ditto.
12744 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12745 * tree-ssa-pre.c (init_pre): Ditto.
12746 * cfgloop.h (LOOPS_NORMAL): New.
12747 (loop_optimizer_init): Declaration changed.
12749 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12751 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12752 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12754 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12756 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12758 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12759 * pa/t-pa64: Delete quadlib.c rule.
12760 * pa/x-ada: Revert last change.
12761 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12763 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12765 PR rtl-optimization/26087
12766 * rtlanal.c (canonicalize_condition): Do not cross basic block
12769 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12772 * config/ia64/ia64.c: Include debug.h.
12773 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12774 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12775 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12776 (process_epilogue, process_set, process_for_unwind_directive):
12777 Output unwind info only if requested. Add CFA info if requested.
12778 Add new arguments as needed. Adjust callers.
12779 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12781 (DWARF2_FRAME_INFO): Define to zero.
12782 * config/ia64/unwind-ia64.c: Remove code that compensated for
12783 the CFA offset error fixed above.
12784 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12785 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12786 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12787 -funwind-tables and -fexceptions to enable frame info.
12788 (dwarf2out_frame_init): Define initial CFA even if
12789 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12790 DWARF2_UNWIND_INFO is nonzero, not just defined.
12791 (dwarf2out_frame_finish): Output non-EH call frame info only
12792 if DWARF2_FRAME_INFO is nonzero.
12793 (convert_cfa_to_loc_list,
12794 compute_frame_pointer_to_cfa_displacement): Define even if
12795 unwind info is not supported.
12796 (gen_subprogram_die): Use the above unconditionally. Remove
12797 legacy alternate code.
12798 * toplev.c (compile_file): Compile in call to
12799 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12800 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12802 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12803 Jakub Jelinek <jakub@redhat.com>
12805 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12806 IBM extended float format long double as "g" on powerpc*-linux.
12808 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12811 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12812 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12814 2006-02-03 Jason Merrill <jason@redhat.com>
12817 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12819 PR middle-end/25977
12820 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12821 on the return slot if it's an NRV.
12823 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12825 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12826 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12827 rewrite_use): Do not handle USE_OUTER.
12828 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12829 add_iv_outer_candidates, may_replace_final_value,
12830 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12831 (find_interesting_uses_op): Functionality of
12832 find_interesting_uses_outer_or_nonlin moved here.
12833 (find_interesting_uses_outside): Use find_interesting_uses_op.
12835 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12838 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12840 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12841 Ulrich Weigand <uweigand@de.ibm.com>
12844 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12845 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12846 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12847 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12849 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12850 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12851 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12852 Define secondary reloads for TFmode moves.
12853 (constant_modes): Add TFmode.
12854 (NR_C_MODES): Set to 8.
12855 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12857 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12858 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12859 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12860 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12861 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12862 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12863 (FPR mode macro): Add TFmode.
12864 (DSF mode macro): New.
12865 (<de>, <dee> mode attributes): Removed.
12866 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12867 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12868 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12869 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12870 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12871 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12872 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12873 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12874 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12875 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12876 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12877 "*negabs<mode>2", "sqrt<mode>2"):
12878 Changed <de> to <xde>. R constraint replaced by <Rf>.
12879 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12881 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12882 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12883 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12885 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12886 "extenddftf2", "extendsftf2"): New expanders.
12887 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12888 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12889 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12890 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12892 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12893 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12894 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12895 __floatditf): Add a GCC_4.1.0 symbol version tag.
12896 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12899 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12902 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12903 Use targetm.binds_local_p instead of TREE_PUBLIC.
12905 2006-02-02 Roger Sayle <roger@eyesopen.com>
12907 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12908 on INTEGER_TYPEs to indicate that it denotes a character type.
12909 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12910 signed_char_type_node, unsigned_char_type_node and char_type_node.
12911 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12912 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12913 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12915 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12916 Daniel Berlin <dberlin@dberlin.org>
12918 * tree-tailcall.c (arg_needs_copy_p): New function.
12919 (eliminate_tail_call): Use arg_needs_copy_p.
12920 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12921 (add_virtual_phis): New function.
12923 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12925 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12926 #ignore instead of #scratch for %g7 .register directive.
12928 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12930 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12933 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12935 * flow.c (calculate_global_regs_live): Assert that there aren't any
12938 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12940 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12941 what its name says.
12942 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12943 bsi_after_labels iterator.
12944 * tree-if-conv.c (find_phi_replacement_condition,
12945 replace_phi_with_cond_modify_expr): Likewise.
12946 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12947 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12949 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12951 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12953 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12956 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12957 array after growing it.
12959 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12961 PR middle-end/24901
12962 * fold-const.c (fold_checksum_tree): Change type of buf.
12964 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12966 * reload.c (push_secondary_reload): Initialize t_icode.
12968 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12970 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12971 -msoft-float -mlong-double-128 only issue a warning, but don't
12972 swich to DFmode long double.
12974 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12976 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12977 has a constant equivalent, iterate over equivalents for arg0,
12978 calling simplify_relational_operation and if there's a result
12979 cheaper than X, apply fold_rtx and return the result.
12981 2006-02-01 Jan Hubicka <jh@suse.cz>
12983 * opts.c (no_unit_at_a_time_default): New global variable.
12984 (decode_options): Use it.
12985 * opts.h (no_unit_at_a_time_default): Declare.
12987 2006-02-01 Paul Brook <paul@codesourcery.com>
12989 * function.c (assign_parm_setup_reg): Use function argument promotion
12991 * expr.c (expand_expr_real_1): Use function argument promotion rules
12994 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12996 * gcc.c (process_command): Change j to 'unsigned int'.
12998 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13000 PR middle-end/26001
13001 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
13002 Use the corrected index for the character
13003 out of the string constant.
13005 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13007 * mode-switching.c (optimize_mode_switching): Fix size
13008 allocated for bb_info[n_entities].
13010 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
13012 * gcc.c (main): Correct type that is allocated for
13013 explicit_link_files.
13015 2006-01-31 Jakub Jelinek <jakub@redhat.com>
13017 * config/s390/s390.c (init_alignment_context): Set
13018 ALIAS_SET_MEMORY_BARRIER on the MEM.
13019 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
13021 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
13023 PR middle-end/25933
13024 * loop-unroll.c (unroll_loop_runtime_iterations): Free
13026 * tree-ssa-live.c (type_var_init): Allocate bitmap after
13029 2006-01-31 Marcin Dalecki <martin@dalecki.de>
13031 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
13032 * regrename.c: Ditto.
13033 * tree-ssa-loop-im.c: Ditto.
13034 * tree-dump.c: Ditto.
13035 * tree-complex.c: Ditto.
13036 * genrecog.c: Ditto.
13037 * tree-ssa-threadupdate.c: Ditto.
13039 * java/class.c: Ditto.
13040 * java/jcf-parse.c: Ditto.
13041 * java/resource.c: Ditto.
13042 * java/except.c: Ditto.
13043 * java/jvspec.c: Ditto.
13044 * java/jcf-write.c: Ditto.
13045 * java/jcf-path.c: Ditto.
13046 * java/gjavah.c: Ditto.
13047 * java/zextract.c: Ditto.
13048 * java/jcf-io.c: Ditto.
13049 * java/jcf.h: Ditto.
13050 * java/buffer.c: Ditto.
13051 * java/lang.c: Ditto.
13052 * java/parse-scan.y: Ditto.
13053 * java/lex.c: Ditto.
13054 * java/lex.h: Ditto.
13055 * cfgloopmanip.c: Ditto.
13056 * postreload-gcse.c: Ditto.
13057 * tree-ssa-loop-manip.c: Ditto.
13058 * postreload.c: Ditto.
13059 * tree-ssa-loop-ch.c: Ditto.
13062 * cppspec.c: Ditto.
13063 * diagnostic.c: Ditto.
13065 * genoutput.c: Ditto.
13067 * cfghooks.c: Ditto.
13068 * cfgloopanal.c: Ditto.
13069 * objc/objc-act.c: Ditto.
13071 * genextract.c: Ditto.
13072 * genautomata.c: Ditto.
13073 * pretty-print.c: Ditto.
13074 * genemit.c: Ditto.
13075 * cgraphunit.c: Ditto.
13077 * df-scan.c: Ditto.
13078 * haifa-sched.c: Ditto.
13079 * dominance.c: Ditto.
13081 * tree-ssa-loop-ivopts.c: Ditto.
13082 * df-core.c: Ditto.
13083 * mode-switching.c: Ditto.
13084 * modulo-sched.c: Ditto.
13086 * ipa-pure-const.c: Ditto.
13088 * fix-header.c: Ditto.
13090 * tree-stdarg.c: Ditto.
13091 * ipa-utils.c: Ditto.
13092 * loop-init.c: Ditto.
13093 * ipa-inline.c: Ditto.
13094 * cfganal.c: Ditto.
13096 * alloc-pool.c: Ditto.
13097 * dwarf2out.c: Ditto.
13099 * genattrtab.c: Ditto.
13100 * tree-ssa-loop-ivcanon.c: Ditto.
13101 * predict.c: Ditto.
13102 * timevar.c: Ditto.
13104 * fortran/gfortranspec.c: Ditto.
13105 * regmove.c: Ditto.
13106 * local-alloc.c: Ditto.
13107 * langhooks.c: Ditto.
13108 * function.c: Ditto.
13109 * tree-vectorizer.c: Ditto.
13111 * ipa-type-escape.c: Ditto.
13113 * tree-if-conv.c: Ditto.
13114 * profile.c: Ditto.
13116 * tree-data-ref.c: Ditto.
13117 * loop-unroll.c: Ditto.
13118 * treelang/treetree.c: Ditto.
13120 * bt-load.c: Ditto.
13121 * ggc-common.c: Ditto.
13123 * coverage.c: Ditto.
13125 * tree-cfgcleanup.c: Ditto.
13126 * tree-ssa-pre.c: Ditto.
13127 * cfgcleanup.c: Ditto.
13128 * loop-invariant.c: Ditto.
13129 * loop-iv.c: Ditto.
13130 * ipa-prop.c: Ditto.
13131 * print-tree.c: Ditto.
13132 * conflict.c: Ditto.
13133 * ggc-page.c: Ditto.
13134 * sched-deps.c: Ditto.
13135 * regclass.c: Ditto.
13136 * tree-object-size.c: Ditto.
13137 * combine.c: Ditto.
13138 * bb-reorder.c: Ditto.
13139 * resource.c: Ditto.
13140 * var-tracking.c: Ditto.
13141 * cfgloop.c: Ditto.
13142 * df-problems.c: Ditto.
13143 * reg-stack.c: Ditto.
13145 * gccspec.c: Ditto.
13146 * sched-rgn.c: Ditto.
13147 * tree-ssa-structalias.c: Ditto.
13148 * tree-ssa-reassoc.c: Ditto.
13149 * config/darwin-c.c: Ditto.
13150 * config/darwin.c: Ditto.
13151 * config/arm/arm.c: Ditto.
13153 * collect2.c: Ditto.
13154 * reload1.c: Ditto.
13156 2006-01-31 Nicolas Pitre <nico@cam.org>
13158 * arm.md (smaxsi3): Make aware of smax_m1.
13161 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
13163 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
13165 2006-01-31 Richard Guenther <rguenther@suse.de>
13167 * doc/invoke.texi (-msselibm): Document.
13168 * target.h (expand_library_builtin): New target hook.
13169 * builtins.c (expand_builtin): Use expand_library_builtin.
13170 (default_expand_library_builtin): New function.
13171 * gcc.c (LINK_GCC_MATH_SPEC): Define.
13172 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
13173 (link_gcc_math_spec): Declare.
13174 (static_specs): Add link_gcc_math_spec.
13175 * expr.h (default_expand_library_builtin): Declare.
13176 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13177 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
13178 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
13179 * config/i386/i386.opt (msselibm): New target option.
13180 * config/i386/i386.c (ix86_builtin_function_variants): New array.
13181 (ix86_init_sse_abi_builtins): New function.
13182 (ix86_expand_library_builtin): Likewise.
13183 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
13184 (override_options): Handle error conditions wrt -msselibm.
13185 (ix86_builtins): Add function codes for SSE2 ABI builtins.
13186 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
13187 * doc/extend.texi (__builtin_sse2_*): Document new target specific
13190 2006-01-31 Richard Guenther <rguenther@suse.de>
13191 Paolo Bonzini <bonzini@gnu.org>
13193 * doc/install.texi (--disable-libgcc-math): Document.
13195 2006-01-30 Marcin Dalecki <martin@dalecki.de>
13197 * expr.h (expand_normal): new inline function.
13198 * builtins.c: use it, use EXPAND_NORMAL explicitely.
13199 * dojump.c: use it.
13200 * dwarf2out.c: use it.
13203 * expmed.c: use it.
13204 * except.c: use it.
13205 * config/sparc/sparc.c: use it.
13206 * config/i386/i386.c: use it.
13207 * config/rs6000/rs6000.c: use it.
13208 * config/arm/arm.c: use it.
13209 * config/mips/mips.c: use it.
13210 * stmt.c: use it, use EXPAND_NORMAL explicitely.
13212 2006-01-30 Roger Sayle <roger@eyesopen.com>
13214 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
13215 argv to the appropriate type.
13217 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
13219 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
13222 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
13225 * config/s390/s390.c (struct machine_function): New flag
13226 decomposed_literal_pool_addresses_ok_p.
13227 (s390_reorg): Set it before final stage of literal pool transforms.
13228 (s390_decompose_address): Only accept displacements of the form
13229 (minus (label_ref ...) (label_ref ...)) if that flag is set.
13231 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
13233 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
13234 the comparison routine return.
13236 2006-01-30 Michael Matz <matz@suse.de>
13238 * global.c (find_reg): Only evict for global regs.
13239 Take n_refs into account and dump more info.
13241 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
13244 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
13245 (pragma_trap, pragma_nosave_low_regs): Likewise.
13246 (current_function_anonymous_args): Likewise.
13247 (sh_deferred_function_attributes): New variable.
13248 (sh_deferred_function_attributes_tail): Likewise.
13249 (print_operand): For '@', look up trap_exit attribute.
13250 (calc_live_regs): Look up trapa_handler attribute. For trapa
13251 handlers, save/restore fpscr, but don't do any other
13252 interrupt-specific saves.
13253 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
13254 Fix check for partially saved registers to check for SHmedia.
13255 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
13256 (sh_output_function_epilogue): Don't clear any of the removed
13258 (sh_insert_attributes): Don't check pragma_interrupt.
13259 Insert deferred attributes. Check that interrupt attribute is
13260 present for other attributes that require its presence.
13261 (sh_attribute_table): Add new attributes trapa_handler and
13263 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
13264 Don't check for pragma_interrupt. Don't store argument.
13265 * sh.h (pragma_interrupt, sp_switch): Don't declare.
13266 (sh_deferred_function_attributes): Declare.
13267 (sh_deferred_function_attributes_tail): Likewise.
13268 * sh.md (sp_switch_1): Add operand. Change generator caller.
13269 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
13270 (*return_i): Don't use when trap_exit attribute is in effect.
13271 (*return_trapa): New insn pattern.
13272 * sh-c.c: New file.
13273 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
13274 setting c_target_objs and cxx_target_objs.
13275 * t-sh: Add rule for sh-c.o.
13277 2006-01-30 Richard Guenther <rguenther@suse.de>
13280 * gimplify.c (gimplify_target_expr): Handle easy cases
13281 without creating a temporary.
13283 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
13285 * vec.h (safe_grow): Remove duplicated line.
13287 2006-01-29 Diego Novillo <dnovillo@redhat.com>
13290 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
13291 (expand_omp): ... here.
13292 (expand_omp_parallel): Only remove barriers for combined
13293 parallel+workshare constructs.
13295 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
13299 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
13300 * tree.c (build_qualified_type): Chain the new type to the original
13301 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
13302 a POINTER_TYPE or a REFERENCE_TYPE respectively.
13303 (build_pointer_type_for_mode): Only return unqualified types.
13304 (build_reference_type_for_mode): Likewise.
13306 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
13308 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
13309 * Makefile.in (CXX_COMPAT_WARN): Define.
13310 * configure: Regenerate.
13312 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
13315 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
13318 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13320 * toplev.c: Fix thinko.
13322 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
13323 Marcin Dalecki <martin@dalecki.de>
13325 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
13326 (push_srcloc): Use XNEW.
13327 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
13329 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
13331 * df-core.c (df_set_blocks): Deleted all variable.
13333 2006-01-28 Ian Lance Taylor <ian@airs.com>
13335 * cgraphunit.c (cgraph_assemble_pending_functions): Call
13336 cgraph_output_pending_asms.
13338 2006-01-28 Zack Weinberg <zackw@panix.com>
13340 * c.opt: Add -W(no-)overlength-strings.
13341 * doc/invoke.texi: Document it.
13342 * c-opts.c (c_common_handle_option): -pedantic implies
13343 -Woverlength-strings, if not explicitly disabled already.
13344 (c_common_post_options): -Woverlength-strings defaults to off, and
13345 is always off for C++.
13346 * c-common.c (fix_string_type): Issue warning about strings longer
13347 than is portable only if warn_overlength_strings. Rearrange code
13348 a little for clarity.
13349 * configure.in: Check for -Wno-overlength-strings as well before
13350 enabling -pedantic in stage 1.
13351 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
13352 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
13354 * genconditions.c (write_header, write_one_condition)
13355 (write_conditions, write_writer): Consolidate very long strings
13356 that were broken up to fit in C89 portable limit. Don't use
13357 printf when fputs will do.
13359 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
13361 * combine.c (simplify_comparison <AND>): Check
13362 TRULY_NOOP_TRUNCATION before start using a subreg.
13364 * config/mips/mips.md (*branch_zero<mode>,
13365 *branch_zero<mode>_inverted, *branch_equality<mode>,
13366 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
13367 Remove mode check from comparisons.
13369 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
13371 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
13373 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13375 * expmed.c (const_mult_add_overflow_p): Remove.
13376 * expr.h: Remove the prototype for const_mult_add_overflow_p.
13378 * recog.c (validate_replace_rtx_subexp): Remove.
13379 * recog.h: Remove the prototype for
13380 validate_replace_rtx_subexp.
13382 * integrate.h: Remove the prototype for
13383 copy_decl_for_inlining.
13384 * rtl.h: Remove the prototype for mark_constant_function.
13385 * tree-vectorizer.h: Remove the prototype for
13386 vect_strip_conversion.
13388 * modulo-sched.c (create_partial_schedule,
13389 free_partial_schedule, reset_partial_schedule): Make them
13392 * hooks.c (hook_bool_rtx_int_false): Remove.
13393 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13395 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13397 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13398 and -mlong-double-128 are incompatible.
13399 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13400 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13401 (TARGET_LIBGCC2_CFLAGS): Define.
13402 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13403 (TARGET_LIBGCC2_CFLAGS): Same.
13404 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13406 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13409 * c-typeck.c (build_binary_op): Perform implicit casts of
13410 operands before shortening them.
13412 * cfgloopmanip.c (split_loop_bb): Remove.
13413 * cfgloop.h: Remove the prototype for split_loop_bb.
13415 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13416 * cfgloop.h: Remove the prototype for
13417 flow_loop_outside_edge_p.
13419 * emit-rtl.c (init_virtual_regs): Make it static.
13420 * function.h: Remove the prototype for init_virtual_regs.
13422 * recog.c (peephole2_optimize): Make it static.
13423 * recog.h: Remove the prototype for peephole2_optimize.
13425 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13427 * df-scan.c (df_record_entry_block_defs): Check if
13428 INCOMING_RETURN_ADDR_RTX is defined.
13430 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13431 Kenneth Zadeck <zadeck@naturalbridge.com>
13433 PR rtl-optimization/24762
13434 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13435 * targhooks.c (hook_void_bitmap): New hook prototype.
13436 * targhoohs.h (hook_void_bitmap): Ditto.
13437 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13438 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13439 * target.h (live_on_entry): New function pointer.
13440 * df-scan.c (df_all_hard_regs): Removed.
13441 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13442 (df_scan_free_internal): Added df->entry_block_defs.
13443 (df_scan_alloc): Ditto.
13444 (df_scan_dump): Ditto.
13445 (df_uses_record): Plumbed flag field properly thru calls.
13446 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13447 This part fixes PR24762.
13448 (df_bb_refs_record): Added code to make the frame and arg
13449 pointers live in EH blocks.
13450 (df_refs_record): Added call to df_record_entry_block_defs.
13451 (df_record_entry_block_defs): New function.
13452 * df-core.c: Added comments to describe new artifical defs.
13453 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13454 (entry_block_defs): New field in struct df.
13455 (df_all_hard_regs): Deleted.
13456 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13457 * df-problems.c (df_ru_bb_local_compute_process_def):
13458 Added code to handle artifical defs in the entry to a function.
13459 (df_ru_bb_local_compute): Ditto.
13460 (df_rd_bb_local_compute_process_def): Ditto.
13461 (df_rd_bb_local_compute): Ditto.
13462 (df_lr_bb_local_compute): Ditto.
13463 (df_ur_bb_local_compute): Ditto.
13464 (df_urec_bb_local_compute): Ditto.
13465 (df_chain_create_bb): Ditto.
13466 (df_ur_local_finalize): Removed entry.
13467 (df_urec_init): Ditto.
13468 (df_urec_local_finalize): Ditto.
13469 (df_ri_bb_compute): Added detection of last use of pseudos.
13470 * Makefile.in (df-scan.o): Updated dependencies.
13471 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13472 * config/mips/mips.c (mips_set_live_on_entry): Added.
13473 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13475 * dce.c (marked_insn_p): Added code to handle artifical defs.
13477 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13479 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13481 (_mm_cvtsi128_si64): Likewise.
13482 (_mm_cvtsd_si64): Likewise.
13483 (_mm_cvttsd_si64): Likewise.
13484 (_mm_cvtsi64_sd): Likewise.
13485 (_mm_cvtsi64_si128): Likewise.
13486 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13487 (_mm_cvtsi64_m64): Likewise.
13488 (_m_to_int64): Likewise.
13489 (_mm_cvtm64_si64): Likewise.
13490 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13491 (_mm_cvttss_si64): Likewise.
13492 (_mm_cvtsi64_ss): Likewise.
13493 (_mm_cvtss_f32): Likewise.
13495 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13497 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13498 for pragma redefine_extname.
13500 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13503 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13504 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13505 -mno-minimal-toc to previous content.
13506 (bispecs): Remove goal.
13507 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13508 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13509 compatibility aliases on powerpc-*-*gnu*.
13510 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13511 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13512 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13513 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13514 (ldblspecs): New goal.
13515 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13516 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13518 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13519 L_sf_to_tf or L_df_to_tf is defined.
13521 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13522 Alan Modra <amodra@bigpond.net.au>
13525 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13526 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13527 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13528 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13529 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13530 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13531 (rs6000_override_options): Initialize rs6000_ieeequad.
13532 Initialize TFmode format to ibm_extended_format if not
13534 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13536 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13537 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13538 (function_arg_advance): IBM long double passed in two FPRs, not
13540 (function_arg): IBM long double passed in FPRs.
13541 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13542 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13543 Only multireg GPR aligned.
13544 (rs6000_init_libfuncs): Enable IBM long double functions if not
13546 (rs6000_generate_compare): Use IBM long double compare if not
13548 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13549 (TARGET_IEEEQUAD): Define.
13550 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13551 not TARGET_IEEEQUAD.
13552 * config/rs6000/rs6000.md: Enable TFmode patterns if
13554 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13555 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13556 and -mlong-double-128 are incompatible.
13557 * doc/invoke.texi (-mabi): Collect options together. Add
13558 ibmlongdouble and ieeelongdouble.
13560 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13562 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13564 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13565 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13566 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13567 * rtl.h (rtunion_def): Remove rt_ptr.
13569 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13570 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13571 * config/i386/winnt.c (i386_pe_mark_dllexport)
13572 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13574 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13576 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13578 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13582 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13583 pthread_key_delete. From John David Anglin. gthrw-ify
13584 pthread_getunique_np only if it it's not a macro. Delete
13586 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13587 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13588 __gthread_objc_condition_signal, __gthread_key_delete): Add
13589 "__attribute__ ((__unused__))" to unused arguments.
13590 (__gthread_recursive_mutex_init_function): Add missing return.
13591 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13592 gthr-posix95.h: Use macro-based approach for name redirection
13593 on targets missing weakref.
13595 2006-01-26 Zack Weinberg <zackw@panix.com>
13597 * genconditions.c (write_header): In generated code, #ifdef out
13598 all includes and fake declarations, except includes of bconfig.h
13599 and system.h, unless GCC_VERSION >= 3001. Do not include
13600 gensupport.h in any case.
13601 (write_conditions): Generate a definition of struct c_test. Add
13602 a comment to the generated #endif.
13603 (write_one_condition): Escape backslashes in string too.
13604 (write_writer): Generated code must escape backslashes and quote
13605 marks (but not newlines) in the strings it writes.
13606 * Makefile.in (build/gencondmd.o): Update dependencies.
13608 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13611 * Makefile.in (insn-automata.o): Add header file dependencies.
13612 * genautomata.c: Add includes.
13614 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13617 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13619 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13621 * configure.ac: Expect target tools paths to be passed from the toplevel
13622 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13624 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13626 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13629 * c.opt (Wpointer-sign): Init to -1.
13630 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13631 OPT_pedantic, to 0 otherwise.
13632 * doc/invoke.texi: Update.
13634 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13636 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13637 constants provided by 80387 instructions in the destination mode.
13639 2006-01-26 Richard Guenther <rguenther@suse.de>
13640 Andrew Pinski <pinskia@physics.uc.edu>
13643 partial PR tree-opt/17064
13644 * tree-ssa-structalias.c (intra_create_variable_infos):
13645 Create heap variables for incoming parameters if
13646 flag_argument_noalias > 1.
13647 (find_what_p_points_to): Look through default defs of
13650 2006-01-26 Jeff Law <law@redhat.com>
13653 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13654 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13655 within the VR_RANGE, use the VR_RANGE as the result, not the
13657 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13658 bounds for the type.
13660 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13662 * tree-ssa-alias.c (maybe_create_global_var): Change
13663 subvar walking to an assertion that we don't have subvar'd variables.
13665 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13668 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13669 Use a new variable, inner. PARM_DECLs are always non-weak.
13671 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13673 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13674 --disable-checking.
13676 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13678 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13680 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13682 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13683 (smax_insn, smin_insn, smax_0, smin_0): New.
13685 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13688 * config/cris/cris.c (cris_order_for_addsi3): New function.
13689 * config/cris/cris-protos.h: Prototype it.
13690 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13691 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13692 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13693 (split for "op.S1 [rx=rx+i],ry (swapped)")
13694 (split for "op(s|u).S1 [rx=rx+i],ry")
13695 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13696 Apply cris_order_for_addsi3 when generating addsi3 insns.
13698 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13700 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13701 (TREE_BLOCK): Add call to EXPR_CHECK.
13703 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13706 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13707 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13708 (dump_omp_clauses): ... here.
13709 (dump_generic_node): Handle OMP_CLAUSE.
13710 * tree.c (omp_clause_num_ops): New.
13711 (omp_clause_code_name): New.
13712 (tree_code_size): Handle OMP_CLAUSE.
13713 (tree_size): Likewise.
13714 (make_node): Document handling of OMP_CLAUSE.
13715 (tree_node_structure): Handle OMP_CLAUSE.
13716 (omp_clause_check_failed): New.
13717 (omp_clause_range_check_failed): New.
13718 (omp_clause_operand_check_failed): New.
13719 (build_omp_clause): New.
13720 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13721 * tree.h (enum omp_clause_code): Declare.
13722 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13723 (OMP_CLAUSE_RANGE_CHECK): Define.
13724 (OMP_CLAUSE_ELT_CHECK): Define.
13725 (omp_clause_check_failed): Declare.
13726 (omp_clause_operand_check_failed): Declare.
13727 (omp_clause_range_check_failed): Declare.
13728 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13729 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13730 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13731 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13732 (OMP_CLAUSE_IF_EXPR): Likewise.
13733 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13734 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13735 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13736 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13737 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13738 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13739 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13740 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13741 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13742 (OMP_CLAUSE_CODE): Define.
13743 (OMP_CLAUSE_SET_CODE): Define.
13744 (OMP_CLAUSE_CODE): Define.
13745 (OMP_CLAUSE_OPERAND): Define.
13746 (struct tree_omp_clause): Declare.
13747 (union tree_node): Add field 'omp_clause'.
13748 * treestruct.def (TS_OMP_CLAUSE): Define.
13749 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13750 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13751 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13752 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13753 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13754 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13755 (OMP_CLAUSE): Define.
13756 * print-tree.c (print_node): Handle OMP_CLAUSE.
13757 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13758 * c-typeck.c: Likewise.
13759 * gimplify.c: Likewise.
13760 * c-omp.c: Likewise.
13761 * tree-nested.c: Likewise.
13762 * tree-inline.c: Likewise.
13763 * c-parser.c: Likewise.
13764 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13767 2006-01-25 Roger Sayle <roger@eyesopen.com>
13769 PR rtl-optimization/25703
13770 * combine.c (try_combine): Handle zero_extract and strict_low_part
13771 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13773 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13775 * global.c: Fix comment typos.
13777 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13780 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13781 Use output_addr_const instead of assemble_name.
13783 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13785 * Makefile.in (sched-vis.o): Update dependencies.
13786 * haifa-sched.c (sched_finish): Clear current_sched_info.
13787 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13788 (dump_flow_info): Call it.
13789 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13791 * basic-block.h (dump_bb_info): Declare.
13792 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13793 option, and apply options only for dump files whose TDF_RTL,
13794 TDF_TREE, or TDF_IPA bits match.
13795 * rtl.h: Declare new functions exported from sched-vis.c.
13796 * sched-vis.c: Enable also if scheduling is not used.
13797 (print_value): Print the mode of registers if not inside scheduling.
13798 (print_insn): Make it work outside the scheduler. Beautify the output
13800 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13802 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13804 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13805 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13806 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13807 depending on the value of CONSTANT_POOL_ADDRESS_P.
13808 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13810 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13811 rather than SYMBOL_REF_DECL.
13812 (rtx_constant_pool): Remove const_rtx_sym_htab.
13813 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13814 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13815 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13816 Remove handling of const_rtx_sym_htab.
13817 (find_pool_constant): Delete.
13818 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13819 rather than find_pool_constant.
13820 (get_pool_constant_for_function): Delete.
13821 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13822 find_pool_constant.
13823 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13824 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13825 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13826 (SYMBOL_REF_CONSTANT): New macro.
13827 (get_pool_constant_for_function): Delete.
13828 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13829 rather than SYMBOL_REF_DECL.
13830 (i386_pe_mark_dllimport): Likewise.
13831 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13832 rather than SYMBOL_REF_DECL.
13833 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13834 (machopic_indirect_call_target): Likewise.
13836 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13838 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13840 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13842 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13844 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13846 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13848 2006-01-24 David Daney <ddaney@avtrex.com>
13851 * configure.ac (enable_tls): New enable option.
13852 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13853 * configure: Regenerate.
13854 * doc/install.texi (--enable-tls): Document new option.
13855 (--disable-tls): Ditto.
13857 2006-01-24 Richard Henderson <rth@redehat.com>
13859 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13860 * alias.c (true_dependence): Respect it.
13861 (canon_true_dependence, write_dependence_p): Likewise.
13862 * builtins.c (get_builtin_sync_mem): Set it.
13864 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13866 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13869 2006-01-24 DJ Delorie <dj@redhat.com>
13871 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13872 for storing constants in single-bit bitfields.
13874 2006-01-25 Ben Elliston <bje@au.ibm.com>
13876 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13878 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13881 * tree-ssa-pre.c (phi_translate): Return NULL
13882 for AGGREGATE_TYPE's.
13884 2006-01-24 Zack Weinberg <zackw@panix.com>
13886 * genautomata.c (process_state_for_insn_equiv_partition):
13887 Use xcalloc for insn_arcs_array.
13888 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13889 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13891 2006-01-24 Richard Henderson <rth@redhat.com>
13893 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13894 update all callers.
13896 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13898 PR rtl-optimization/25890
13899 PR rtl-optimization/25905
13900 * combine.c (expand_compound_operation, expand_field_assignment):
13901 Fail if the bitfield's final position is out of bounds.
13903 2006-01-24 Ian Lance Taylor <ian@airs.com>
13905 PR middle-end/25930
13906 * cgraphunit.c (cgraph_output_in_order): Don't clear
13907 cgraph_asm_nodes until after asm strings have been output.
13909 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13911 * fix-header.c (read_scan_file): Add new parameter imultilib when
13912 calling register_include_chains.
13914 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13916 * omp-low.c: Update documentation.
13918 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13919 Daniel Berlin <dberlin@dberlin.org>
13923 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13924 return from the function.
13926 2006-01-22 Zack Weinberg <zackw@panix.com>
13928 * rtl.def (match_code): Add second argument.
13929 * genpreds.c (write_extract_subexp): New function.
13930 (write_match_code): Add path argument. Use write_extract_subexp.
13931 (write_predicate_expr): Pass path to write_match_code.
13932 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13933 not perform a mode test.
13934 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13935 a subexpression does not constrain the top-level code set.
13936 * read-rtl.c (read_rtx_variadic): New function.
13937 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13938 * doc/md.texi: Document new notation.
13939 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13940 (cmpsi_operand): ... here, using new notation.
13942 2006-01-22 Zack Weinberg <zackw@panix.com>
13944 * varray.c: Remove GENERATOR_FILE #ifdefs.
13946 2006-01-22 Zack Weinberg <zackw@panix.com>
13948 * genautomata.c (output_reserved_units_table): Emit nothing if
13949 description->query_units_num is zero. Remove extra blank line.
13950 (output_cpu_unit_reservation_p): Short circuit
13951 if description->query_units_num is zero.
13953 2006-01-22 Zack Weinberg <zackw@panix.com>
13955 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13956 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13957 nor any of the random handful of variables that used to be necessary
13958 when this program was linked with rtlanal.o. Prune set of forward
13959 function declarations.
13960 (struct attr_desc): Remove static_p field.
13961 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13962 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13963 (attr_string): Do not read the character one past the length of
13965 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13966 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13967 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13968 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13969 (make_automaton_attrs): New.
13970 (main): Do not call into genautomata. Call local gen_bypass
13971 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13972 Remove special case for insn_alts.
13973 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13974 varray.h (leftover from previous change). Prune set of forward
13975 function declarations. Remove state_alts fields from all
13976 structures. Remove state_alts_table from struct automaton.
13977 Make everything except main static. Do not maintain num_dfa_decls.
13978 Do not maintain state_alts fields of various structures.
13979 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13980 (add_arc): Remove state_alts argument. All callers updated.
13981 (output_reserved_units_table): Emit #ifdef here...
13982 (output_tables): ...not here. Don't generate state_alts tables.
13983 (expand_automata): Don't generate attributes.
13984 (write_automata): Don't generate state_alts functions.
13985 (main): New function.
13986 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13987 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13988 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13989 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13990 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13991 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13992 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13993 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13995 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13996 * genattrtab.h: Delete file.
13997 * Makefile.in (OBJS-common): Add insn-automata.o.
13998 (insn-automata.o): New rule.
13999 (simple_generated_c): Add insn-automata.c.
14000 (build/genattrtab.o, build/genautomata.o): Update dependencies.
14001 (genprogmd): Add automata.
14002 (build/genattrtab): Needs no extra objects nor libraries.
14003 (build/genautomata): Needs build/vec.o and -lm.
14005 2006-01-22 Zack Weinberg <zackw@panix.com>
14007 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
14008 (output_dfa_max_issue_rate, locked_states_num): Delete.
14009 (struct automaton): Add locked_states field.
14010 (output_dead_lock_vect): Save number of locked states in
14011 automaton->locked_states. If it is zero, don't print anything.
14012 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
14013 (output_internal_dead_lock_func): Only test the dead_lock_vect
14014 for automata that have locked states.
14015 (output_statistics): Always print the number of locked states for
14016 each automaton. Calculate total number of locked states here.
14017 (write_automata): Don't call output_dfa_max_issue_rate.
14018 * genattrtab.c: Define length_unit_log as a const variable.
14019 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
14020 max_insn_queue_index const.
14021 * final.c (length_unit_log): Declare const.
14022 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
14024 2006-01-22 Zack Weinberg <zackw@panix.com>
14026 * genautomata.c: Include vec.h, not varray.h.
14027 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
14028 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
14029 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
14030 VEC_* macros operating on appropriately typed vectors, or to
14031 malloced arrays when the size is known in advance. Const-ify
14032 many char* variables and function arguments. No functional changes.
14033 * Makefile.in (build/varray.o): Delete rule.
14034 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
14035 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
14037 2006-01-22 Zack Weinberg <zackw@panix.com>
14039 * gensupport.c: Define get_insn_name and record_insn_name here.
14040 (read_md_rtx): Call record_insn_name as appropriate.
14041 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
14042 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
14043 * genpreds.c, genrecog.c: Don't define get_insn_name nor
14045 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
14046 (BUILD_VARRAY): Delete.
14047 (genprognormal): Rename genprogmd. Fold in all programs from
14048 genprognoprint; also attrtab.
14049 (build/genattrtab): Just mention genautomata.o and varray.o.
14050 Reorganize a bit, add comments to make the categories clearer.
14052 2006-01-22 Zack Weinberg <zackw@panix.com>
14054 * genconditions.c (condition_table, add_condition): Delete.
14055 (write_conditions): Don't emit n_insn_conditions nor
14056 insn_elision_unavailable. Issue the gcc version #ifdef here,
14057 inside the table, with no #else clause ...
14058 (write_header): ...not here.
14059 (write_writer): New function.
14060 (main): Don't initialize condition_table. Use add_c_test.
14062 * gensupport.c (init_md_reader_args_cb): Handle multiple input
14063 files on the command line.
14064 (maybe_eval_c_test): Don't check insn_elision_unavailable.
14065 Return -1 if there is no entry in the table, don't abort.
14066 (add_c_test, traverse_c_tests): New functions.
14067 * gensupport.h (insn_elision_unavailable, insn_conditions)
14068 (n_insn_conditions): Delete declarations.
14069 (add_c_test, traverse_c_tests): Declare.
14070 * read-rtl.c: Include gensupport.h.
14071 (read_conditions): New function.
14072 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
14073 (read_rtx_1): If we get EOF when we were looking for an initial
14074 open paren, return 0. Call read_conditions when appropriate.
14075 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
14076 dummy-conditions.o. Eliminate references to insn-conditions.o,
14077 or change them to build/gencondmd.o, as appropriate. Remove
14078 insn-constants.h from $(simple_generated_h) and insn-conditions.c
14079 from $(simple_generated_c). For all files remaining in those
14080 two lists, add insn-conditions.md to the generator command line.
14081 Give insn-constants.h/s-constants their own rules. Add rules
14082 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
14083 (build/read-rtl.o): Depend on gensupport.h.
14084 (genprognormal): Include preds.
14085 (genprogearly): Rename genprognoprint; only difference is now that
14086 they don't link with $(BUILD_PRINT).
14087 * dummy-conditions.c: Delete.
14089 2006-01-22 Zack Weinberg <zackw@panix.com>
14091 * genextract.c: Don't include insn-config.h. Do include vec.h.
14092 Declare vectors of int, char, and locstr.
14093 (locstr): New typedef.
14094 (struct extraction): Make all array fields into bare pointers.
14095 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
14096 (insn_code_number): Delete.
14097 (accum_extract): New struct.
14098 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
14099 (gen_insn): Take insn_code_number as an argument. Use an
14100 accum_extract structure instead of loading data directly into
14101 a struct extraction, and having to know how big it might get.
14102 (walk_rtx): Operate entirely on an accum_extract structure.
14103 (print_path): Avoid unnecessary use of printf.
14104 (print_header): New function, split out of main. Distinguish
14105 more carefully between an unrecognizable insn and an insn that
14106 has the code number of a define_expand.
14107 (main): Pass insn_code_number to gen_insn. Call print_header
14108 only after parsing. Avoid unnecessary use of printf.
14109 * Makefile.in (build/vec.o): New rule.
14110 (build/genextract): Depend on build/vec.o.
14111 (build/genextract.o): Don't depend on insn-config.h.
14113 2006-01-22 Zack Weinberg <zackw@panix.com>
14115 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
14116 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
14117 practical. Eliminate per-generator-program link rules.
14119 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
14121 PR middle-end/24437
14122 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
14123 with a call expr to ...
14124 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
14126 2006-01-23 Richard Guenther <rguenther@suse.de>
14128 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
14129 before make_edge with conditional EDGE_TRUE_VALUE.
14131 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
14132 Jan Hubicka <jh@suse.cz>
14133 Richard Guenther <rguenther@suse.de>
14135 PR rtl-optimization/25654
14136 * cfgexpand.c (aggregate_contains_union_type): New function.
14137 (add_alias_set_conflicts): Call it. Make sure to add conflicts
14138 for structure variables that contain a union type.
14140 2006-01-23 Richard Sandiford <richard@codesourcery.com>
14142 * gengtype.c (new_structure): Return the structure.
14143 (create_option): Add an extra "next" argument.
14144 (create_field): New function.
14145 (adjust_field_rtx_def): Use create_option and create_field.
14146 Remove a now-unnecessary call to find_structure.
14147 (adjust_field_tree_def): Likewise.
14148 (note_yacc_type): Remove an unnecessary call to find_structure.
14149 * gengtype.h (new_structure): Return the structure.
14150 (create_option): Add an extra argument.
14151 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
14152 (option): Adjust calls to create_option.
14154 2006-01-22 David Edelsohn <edelsohn@gnu.org>
14156 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
14158 2006-01-22 Paul Brook <paul@codesourcery.com>
14159 Peter Barada <peter@the-baradas.com>
14161 * config/m68k/m68k.md: Add Coldfire FPU support.
14162 Define FP mode macro and associated attributes.
14163 Use it for float mode patterns.
14164 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
14165 (LIBCALL_VALUE): Use m68k_libcall_value.
14166 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
14167 (m68k_function_value): Ditto.
14168 (emit_move_sequence): Ditto.
14169 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
14170 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
14171 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
14172 (MULTILIB_EXCEPTIONS): Ditto.
14173 * config/m68k/m68k.opt: Add mcfv4e.
14174 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
14175 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
14176 (m68k_output_function_prologue): Save ColdFire FPU registers.
14177 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
14178 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
14179 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
14180 ColdFire FPU registers.
14181 (m68k_libcall_value, m68k_function_value): New functions.
14182 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
14183 (LIBCALL_VALUE): Use m68k_libcall_value.
14184 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
14185 (MASK_COLDFIRE): Add MASK_CFV4E.
14186 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
14187 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
14188 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
14189 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
14190 (GO_IF_LEGITIMATE_ADDRESS): Use it.
14191 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
14192 * doc/invoke.tex: Document -mcfv4e on m68k.
14194 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
14196 * doc/contribute.texi: Change CVS to SVN and update the corresponding
14199 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
14202 * c-opts.c (c_common_handle_option): Don't include
14203 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
14204 * doc/invoke.texi (C++ Dialect Options): Document that
14205 -Wnon-virtual-dtor is no longer included in -Wall.
14207 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
14209 * gcov.c (print_version), gcov-dump.c (print_version),
14210 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
14213 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
14215 * df-scan.c (problem_SCAN): Added NULL reset function.
14216 (df_scan_reset_blocks): Added code to call reset block function
14217 (df_bb_refs_delete) Fixed comment.
14218 (df_insn_refs_delete): Made tolerant of deleting non existent info
14219 for dataflow problems that need to be reset.
14220 * df-core.c (df_set_blocks): Ditto.
14221 * df.h (struct df_problem): Added reset_fun.
14222 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
14223 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
14224 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
14225 functions to clear out all references to def-use or use-def chains.
14227 2006-01-21 Ben Elliston <bje@au.ibm.com>
14229 * varasm.c (assemble_real): Initialise data array.
14231 2006-01-20 Paul Brook <paul@codesourcery.com>
14233 Merge from csl-arm-branch.
14234 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
14235 * config/arm/arm.md (movdi): Force operands[1] to a register
14236 if we have a non-register source.
14237 (*arm_movdi, *movdf_soft_insn): Require that one of the
14238 operands be a register.
14239 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
14240 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
14242 2006-01-20 DJ Delorie <dj@redhat.com>
14244 * varasm.c (initializer_constant_valid_p): Allow pointers
14245 initialized from integer constants of lesser precision.
14246 (output_constant): Allow non-int-sized pointer modes to be
14247 initialized from integer constants.
14249 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
14252 * cppdefault.h (struct default_include): Add multilib flag.
14253 * cppdefault.c (cpp_include_defaults): Set it.
14254 * c.opt (-imultilib): New option.
14255 * c-opts.c (imultilib): New.
14256 (c_common_handle_option): Handle -imultilib.
14257 (c_common_post_options): Likewise.
14258 * c-incpath.c (add_standard_paths, register_include_chains):
14260 * c-incpath.h (register_include_chains): Add extra parameter.
14261 * gcc.c (do_spec_1): Generate -imultilib option.
14262 (The Specs Language): Update %I description.
14263 (process_command): Update copyright notice.
14264 * doc/cppopts.texi (-imultilib): Document.
14265 * doc/invoke.texi (-imultilib): Include in option summary.
14266 (%I): Update specs documentation.
14268 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14270 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
14272 2006-01-20 Richard Sandiford <richard@codesourcery.com>
14274 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
14277 2006-01-20 Richard Guenther <rguenther@suse.de>
14278 Steven Bosscher <stevenb.gcc@gmail.com>
14280 PR rtl-optimization/24626
14281 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
14282 EDGE_TRUE_VALUE if in RTL mode.
14285 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
14286 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
14288 2006-01-20 Dirk Mueller <dmueller@suse.com>
14291 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
14292 instead of a special NOP marker.
14293 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
14294 NOP marker handling.
14295 * c-common.h (empty_body_warning): Add forward declaration.
14296 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
14297 Now uses IS_EMPTY_STMT() instead of special NOP markers.
14299 2006-01-20 Paul Brook <paul@codesourcery.com>
14301 * Makefile.in (lang_checks): Keep going if mkdir fails.
14303 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14305 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
14306 be able to clean out basic block when not necessary.
14307 (df_scan_free): Fixed to properly delete information if df is
14308 unused before calling df_finish.
14309 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
14310 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
14312 (df_bb_refs_delete): New function.
14313 (df_refs_delete): Moved per block code to df_bb_refs_delete.
14314 * df-core.c (df_set_blocks): Added code to properly clean out
14315 unused blocks if they are not part of the blocks to consider.
14316 Added additional null check.
14317 (df_compact_blocks): Added basic block parameter to free_bb_fun to
14318 be able to clean out basic block when not necessary
14319 * df.h (df_free_bb_function): Ditto.
14320 (df_bb_refs_delete): New function.
14321 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
14322 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
14323 basic block parameter to be able to clean out basic block when not
14325 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
14326 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
14327 Fixed to properly delete information if df is unused before
14330 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
14332 PR rtl-optimization/25799
14333 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
14334 Corrected confluence operator to remove bits from op2 before oring
14335 with op1 rather than removing bits from op1.
14336 (df_ru_transfer_function): Corrected test on wrong bitmap which
14337 caused infinite loop. Both of these problems were introduced in
14338 the dataflow rewrite.
14340 2006-01-19 DJ Delorie <dj@redhat.com>
14342 * reload1.c (find_reload_regs): Note the details of reload
14343 failures in the dump file.
14344 (spill_failure): Likewise.
14346 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
14348 * loop-iv.c: Include df.h and hashtab.h.
14349 (enum iv_grd_result): New enum.
14350 (DF_REF_IV, DF_REF_IV_SET): New macros.
14351 (struct biv_entry): New.
14352 (df, bivs): New global variables.
14353 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
14354 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
14356 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
14357 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
14358 analyzed_for_bivness_p, record_biv): New functions.
14359 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
14360 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
14361 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
14363 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
14365 (iv_number_of_iterations): Use new interface to iv analysis.
14366 * loop-unroll.c: Do not include varray.h.
14367 (analyze_iv_to_split_insn): Use new interface to iv
14369 * loop-unswitch.c (may_unswitch_on): Ditto.
14370 * df.c (df_bitmaps_free): Only work for bbs for that structures are
14372 (df_bb_modify): Realloc tables to the new index.
14373 (df_find_use): New function.
14374 * df.h (df_find_use): Declare.
14375 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
14377 * cfgloop.h (struct rtx_iv): Remove analysed field.
14378 (iv_get_reaching_def): Removed.
14379 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
14380 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
14381 (loop-iv.o): Add df.h and hashtab.h dependency.
14382 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
14384 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14387 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14389 (__floatundisf, __floatundidf): Likewise.
14390 * libgcc2.h (IS_IBM_EXTENDED): Define.
14392 2006-01-19 DJ Delorie <dj@redhat.com>
14394 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14396 2006-01-19 Paul Brook <paul@codesourcery.com>
14398 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14399 as nothrow when unwinding tables are disabled.
14401 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14404 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14405 of bit-field" when in system header.
14407 2006-01-19 DJ Delorie <dj@redhat.com>
14409 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14410 the 16 bit shift limit of the m16c.
14412 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14415 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14416 * config/i386/i386.c (output_set_got): Output the label if we have one
14417 for the TARGET_DEEP_BRANCH_PREDICTION case.
14419 2006-01-19 Jan Hubicka <jh@suse.cz>
14420 H.J. Lu <hongjiu.lu@intel.com>
14421 Evandro Menezes <evandro.menezes@amd.com>
14423 * invoke.texi (generic): Document
14425 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14426 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14427 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14428 (x86_use_incdec, x86_pad_returns): New variables
14429 (TARGET_CPU_DEFAULT_generic): New constant
14430 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14431 (enum processor_type): Add generic32 and generic64.
14432 * i386.md (cpu attribute): Add generic32/generic64
14433 (movhi splitter): Behave sanely when both partial_reg_dependency and
14434 partial_reg_stall are set.
14435 (K8 splitters): Enable for generic as well.
14436 * predicates.md (incdec_operand): Use TARGET_INCDEC
14437 (aligned_operand): Avoid memory mismatch stalls.
14438 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14439 * ppro.md: Enable for generic32
14440 * i386.c (generic64_cost, generic32_cost): New.
14441 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14442 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14443 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14444 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14445 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14446 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14447 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14448 x86_accumulate_outgoing_args, x86_prologue_using_move,
14449 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14450 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14451 Enable for generic.
14452 (x86_use_incdec, x86_pad_returns): New.
14453 (override_options): Add generic32 and generic64, translate "generic"
14454 to generic32/generic64 and "i686" to "generic32", refuse
14455 "generic32"/"generic64" as arch target.
14456 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14457 (ix86_reorg): Honor PAD_RETURNS.
14459 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14461 * tree-pretty-print.c (dump_generic_node): Handle
14462 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14463 * cgraph.c (cgraph_expand_queue): Rename from
14464 cgraph_analyze_queue. Update all users.
14465 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14466 cgraph_expand_queue.
14467 (cgraph_expand_all_functions): Likewise.
14468 (cgraph_finalize_pending_functions): Remove. Update callers.
14470 * tree.h (OMP_DIRECTIVE_P): Define.
14471 (OMP_PARALLEL_FN): Define.
14472 (OMP_PARALLEL_DATA_ARG): Define.
14473 (OMP_SECTIONS_SECTIONS): Define.
14474 * tree-pass.h (pass_expand_omp): Declare.
14475 * omp-low.c (struct omp_region): Declare.
14476 (struct omp_context): Remove fields 'parallel_type',
14477 'parallel_start_ix' and 'parallel_start_additional_args'.
14479 (struct omp_for_data): Rename from struct expand_omp_for_data.
14480 (omp_regions): New static variable.
14481 (root_omp_region): New static variable.
14482 (find_omp_clause): Make static.
14483 (is_in_combined_parallel_ctx): Remove.
14484 (is_combined_parallel): New.
14485 (extract_omp_for_data): Move earlier in the file.
14486 (workshare_safe_to_combine_p): New.
14487 (get_ws_args_for): New.
14488 (determine_parallel_type): Move earlier in the file.
14489 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14491 (omp_copy_decl): Likewise.
14492 (create_omp_child_function): Likewise.
14493 (lookup_omp_region): New.
14494 (dump_omp_region): New.
14495 (debug_omp_region): New.
14496 (debug_all_omp_regions): New.
14497 (new_omp_region): New.
14498 (scan_omp_parallel): If parallel_nesting_level > 1, the
14499 directive is nested within another parallel directive.
14500 Set OMP_PARALLEL_FN.
14501 (scan_omp_for): Do not try to handle combined parallel+for
14503 Remove FIXME comment.
14504 (scan_omp_nested): Remove.
14505 (scan_omp_1): Do not call scan_omp_nested when
14506 parallel_nesting_level is > 1.
14507 Do not change the DECL_CONTEXT of local variables found.
14508 (lookup_decl_in_outer_ctx): New.
14509 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14510 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14511 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14512 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14513 If CTX is nested, lookup VAR in the outer context when
14514 building copy assignment.
14515 (lower_send_clauses): Rename from expand_send_clauses.
14516 If CTX is nested, lookup VAR in the outer context when
14517 building copy assignments.
14518 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14519 If CTX is nested, lookup VAR in the outer context when
14520 building copy assignments.
14521 (expand_parallel_call): Rename from build_parallel_call.
14522 Handle combined parallel+workshare cases.
14523 Re-implement to emit code into the CFG.
14525 (expand_omp_parallel): Re-implement to emit code into the CFG.
14526 Call move_sese_region_to_fn to outline the sub-graph
14527 containing the parallel region.
14528 (expand_omp_for_1): Remove.
14529 (expand_omp_for_generic): Re-implement to emit code into the
14531 (expand_omp_for_static_nochunk): Likewise.
14532 (expand_omp_for_static_chunk): Likewise.
14533 (expand_omp_for): Likewise.
14534 (expand_omp_sections): Likewise.
14535 (remove_exit_barriers): New.
14536 (expand_omp_synch): New.
14538 (build_omp_regions_1): New.
14539 (build_omp_regions): New.
14540 (execute_expand_omp): New.
14541 (gate_expand_omp): New.
14542 (pass_expand_omp): Define.
14543 (lower_omp_sections): Rename from expand_omp_sections.
14544 Set OMP_SECTIONS_SECTIONS.
14545 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14546 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14547 (lower_omp_single): Rename from expand_omp_simple.
14548 (lower_omp_master): Rename from expand_omp_master.
14549 (lower_omp_ordered): Rename from expand_omp_ordered.
14550 (lower_omp_critical): Rename from expand_omp_critical.
14551 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14552 (lower_omp_for): Re-implement.
14553 (lower_omp_parallel): Re-implement.
14554 (lower_regimplify): Rename from expand_regimplify.
14555 (lower_omp_1): Rename from expand_omp_1.
14556 If there are syntax errors in the program, replace every
14557 OpenMP directive with NOP.
14558 Call lower_omp_* instead of expand_omp_*.
14559 (lower_omp): Rename from expand_omp.
14561 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14562 * tree-gimple.h (enum omp_parallel_type): Remove.
14563 (gimple_boolify): Declare extern.
14564 (find_omp_clause, determine_parallel_type): Remove.
14566 * gimple-low.c (lower_omp_directive): New.
14567 (lower_stmt): Call it.
14568 (record_vars_into): Move from ...
14569 (record_vars): ... here.
14570 Call record_vars_into with current_function_decl.
14572 * gimplify.c (struct gimplify_ctx): Remove fields
14573 combined_pre_p and combined_ctxp. Update users.
14574 (get_formal_tmp_var): Add documentation.
14575 (gimple_boolify): Make extern.
14576 (gimplify_expr_in_ctx): Remove. Update callers.
14577 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14578 will always be a BIND_EXPR.
14579 (gimplify_expr): Handle OMP_RETURN_EXPR.
14580 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14581 (OMP_PARALLEL): Add 3 operands.
14582 (OMP_SECTIONS): Add 1 operand.
14583 (OMP_RETURN_EXPR): Define.
14585 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14586 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14587 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14588 creating a circular free list.
14589 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14591 * tree-flow.h (move_sese_region_to_fn): Declare.
14592 (record_vars_into): Declare.
14593 * tree-cfg.c (make_omp_sections_edges): New.
14594 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14595 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14596 OMP_SECTIONS and OMP_SECTION.
14597 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14598 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14599 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14600 (gather_blocks_in_sese_region): New.
14601 (struct move_stmt_d): Declare.
14602 (move_stmt_r): New.
14603 (move_block_to_fn): New.
14604 (move_sese_region_to_fn): New.
14606 * passes.c (init_optimization_passes): Schedule
14607 pass_expand_omp after pass_init_datastructures.
14609 * tree-ssa-operands.c (get_expr_operands): Handle
14610 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14611 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14613 2006-01-19 Jeff Law <law@redhat.com>
14615 * tree-vrp.c (extract_range_from_assert): Refine the result range
14616 if the variable referenced by the ASSERT_EXPR has a range and
14617 either the tentative result range or the previous range is a
14620 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14622 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14624 2006-01-19 Jan Hubicka <jh@suse.cz>
14626 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14628 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14630 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14631 (expand_compound_operation, expand_field_assignment): Fail if the
14632 bit lengths of an extract operation are out of range.
14633 (make_extraction): Compute wanted_inner_mode based on the position
14634 and length of the extraction. Make it extraction_mode for non-constant
14635 positions, and do not modify offset in that case. When generating a
14636 new MEM, use a mode that can hold the extraction while keeping correct
14637 alignment. Remove code that supported MEMs wrapped by USEs.
14638 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14640 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14642 * config/s390/s390.md ("Y", "y"): New mode attribute.
14643 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14644 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14645 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14646 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14647 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14648 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14649 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14650 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14651 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14652 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14653 "addsi3", "subsi3"): Insn patterns removed.
14654 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14655 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14656 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14657 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14658 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14659 "*sub<mode>3_cconly2"): New insn patterns.
14660 ("addsi3", "subsi3"): New expanders.
14662 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14664 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14665 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14666 existing STMT_VINFO_VECTYPE if available.
14667 (vect_mark_relevant): Add special handling for stmts that are
14668 marked as STMT_VINFO_IN_PATTERN_P.
14669 (vect_analyze_loop): Call vect_pattern_recog.
14670 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14671 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14673 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14674 (vect_recog_func_ptr): New function-pointer type.
14675 * tree-vect-patterns.c: New file.
14676 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14677 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14678 (vect_pattern_recog_1): New functions.
14679 (vect_pattern_recog_funcs): New array of function pointers.
14681 * tree-vectorizer.h (ternary_op): New enum value.
14682 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14683 declaration. Revised documentation. Removed redundant dump prints.
14684 Removed redundant argument. Added support for reduction patterns.
14685 (vectorizable_reduction): Added support for reduction patterns.
14686 (vect_transform_stmt): Added support for patterns.
14688 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14689 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14690 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14691 (expand_widen_pattern_expr): New function.
14692 (init_optabs): Initialize new optabs udot_prod_optab,
14694 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14695 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14696 (expand_widen_pattern_expr): New function declaration.
14697 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14699 * tree-inline.c (estimate_num_insns_1): Added cases for new
14700 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14701 * tree-pretty-print.c (dump_generic_node): Likewise.
14702 (op_prio): Likewise.
14703 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14704 * tree-ssa-operands.c (get_expr_operands): Added case for
14706 * tree-vect-patterns.c (widened_name_p): New function.
14707 (vect_recog_dot_prod_pattern): Added function implementation.
14708 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14709 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14710 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14711 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14713 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14714 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14715 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14716 (init_optabs): Initialize new optabs widen_ssum_optab,
14718 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14719 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14720 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14721 use instead of type of def.
14722 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14723 function implementation.
14724 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14725 widen_ssumv8hi): New.
14727 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14730 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14733 * c-decl.c (add_flexible_array_elts_to_size): New function.
14734 (finish_decl): Use it.
14736 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14738 * diagnostic.h: Include options.h.
14739 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14740 dependancies for diagnostic.h.
14741 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14743 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14745 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14746 (ssa_ro_call_cache_valid): Ditto.
14747 * tree-ssa-alias.c (sort_tags_by_id): New function.
14748 (init_transitive_clobber_worklist): Ditto.
14749 (add_to_worklist): Ditto.
14750 (mark_aliases_call_clobbered): Ditto.
14751 (compute_tag_properties): Ditto.
14752 (set_initial_properties): Ditto.
14753 (compute_call_clobbered): Ditto.
14754 (compute_may_aliases): Call compute_call_clobbered and grouping.
14755 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14756 (compute_flow_insensitive_aliasing): Grouping now happens in our
14758 (setup_pointers_and_addressables): Remove clobbering related code.
14759 (add_may_alias): Ditto.
14760 (replace_may_alias): Ditto.
14761 (get_nmt_for): Ditto.
14762 (create_global_var):
14763 (is_escape_site): Return an escape_type enumeration.
14764 * tree-flow-inline.h (is_call_clobbered): Global var does not
14765 imply call clobbered.
14766 (mark_call_clobbered): Take a reason for marking this. Remove
14767 marking of globalness, and cache invalidation.
14768 (clear_call_clobbered): Remove cache invalidation code.
14769 * tree-dfa.c (dump_variable): If details is on, dump the reason
14771 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14773 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14774 (struct var_ann_d): Ditto.
14775 (enum escape_type): New.
14776 (mark_call_clobbered): Adjust prototype.
14777 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14778 are never call clobbered.
14779 Record reasons for escaping.
14780 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14781 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14782 (ssa_ro_call_cache_valid): Ditto.
14783 (clobbered_v_may_defs): Ditto.
14784 (clobbered_vuses): Ditto.
14785 (ro_call_vuses): Ditto.
14786 (clobber_stats): New.
14787 (init_ssa_operands): Zero out clobber stats.
14788 (fini_ssa_operands): Print out clobber stats.
14789 (get_call_expr_operands): Pass callee fndecl to
14790 add_call_read_ops).
14791 (add_call_clobber_ops): Remove use of cache.
14792 Add use of PURE_CONST information.
14793 (add_call_read_ops): Remove use of cache.
14794 Add use of static not_read information.
14796 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14798 Introduce TLS descriptors for i386 and x86_64.
14799 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14800 (TARGET_ANY_GNU_TLS): New macro.
14801 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14802 (struct machine_function): Add tls_descriptor_call_expanded_p.
14803 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14804 (ix86_current_function_calls_tls_descriptor): Likewise.
14805 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14806 (override_options): Introduce gnu2 tls dialect.
14807 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14809 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14811 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14812 (ix86_init_machine_status): Initialize new field.
14813 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14814 (ix86_tls_module_base): New.
14815 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14816 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14817 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14818 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14819 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14820 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14821 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14822 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14823 * config/i386/predicates.md (tls_modbase_operand): New.
14824 (tp_or_register_operand): New.
14826 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14828 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14829 (look_for_address_of): Ditto.
14830 (ipa_init): Walk the function decls.
14831 (static_execute): Don't set readonly on FUNCTION_DECL's.
14833 2006-01-18 Roger Sayle <roger@eyesopen.com>
14835 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14836 for shifts where the source and destination registers are different.
14838 2006-01-18 Paul Brook <paul@codesourcery.com>
14840 Merge from csl-arm-branch.
14841 2005-03-14 Julian Brown <julian@codesourcery.com>
14842 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14843 (aeabi_llsl): Likewise.
14844 (ashrdi3): Likewise.
14845 (aeabi_lasr): Likewise.
14846 (lshrdi3): Likewise.
14847 (aeabi_llsr): Likewise.
14848 2005-03-10 Julian Brown <julian@codesourcery.com>
14849 * config.gcc: Disable shared libgcc for SymbianOS.
14850 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14852 2006-01-18 DJ Delorie <dj@redhat.com>
14854 * c-pragma.c (handle_pragma_diagnostic): New.
14855 (init_pragma): Register it.
14856 * doc/extend.texi: Document it.
14858 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14859 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14860 (diagnostic_context): Add classify_diagnostic[].
14861 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14862 as errors if they're overridden to DK_WARNING.
14863 (diagnostic_initialize): Initialize classify_diagnostic[].
14864 (diagnostic_set_kind_override): New.
14865 (diagnostic_report_diagnostic): Check for kind changes.
14866 * opts.c (common_handle_option): Take lang_mask. Update callers.
14867 Handle OPT_Werror_.
14868 * common.opt (Werror=): New.
14869 * doc/invoke.texi: Document -Werror=*
14871 2006-01-18 Jeff Law <law@redhat.com>
14873 * tree-vrp.c (test_for_singularity): Correct test for new
14874 min limit. Use operand_equal_p rather than pointer equality
14875 for testing if new min/max values are equal.
14877 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14878 using range information until after propagation and folding.
14880 2006-01-18 Richard Henderson <rth@redhat.com>
14881 Aldy Hernandez <aldyh@redhat.com>
14882 Jakub Jelinek <jakub@redhat.com>
14883 Diego Novillo <dnovillo@redhat.com>
14885 * omp-low.c: New file.
14886 * c-omp.c: New file.
14888 2006-01-18 Richard Henderson <rth@redhat.com>
14889 Jakub Jelinek <jakub@redhat.com>
14890 Diego Novillo <dnovillo@redhat.com>
14892 * doc/invoke.texi: Document -fopenmp.
14893 * tree-dump.h (debug_function): Declare.
14894 * hooks.c (hook_bool_tree_bool_false): New function.
14895 (hook_tree_tree_null): Remove.
14896 (hook_tree_tree_tree_null): New.
14897 * hooks.h: Update to match.
14898 * tree-pretty-print.c (debug_tree_chain): New.
14899 (print_generic_expr): Handle TDF_CHAIN.
14900 (dump_generic_node): Handle BLOCK.
14901 Do not abort with incomplete SWITCH_EXPRs.
14902 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14903 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14904 print space after directive name.
14905 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14906 Handle OMP_MASTER and OMP_ORDERED.
14907 Handle printing of OMP_BODY just in one place, goto
14908 dump_omp_body in the rest of OMP_* nodes that have
14910 Don't handle clause nodes here. Update omp statements to
14911 use dump_omp_clauses.
14912 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14913 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14914 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14915 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14916 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14917 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14918 Adjust output for GOMP_PARALLEL.
14919 (dump_omp_clauses): New.
14920 (print_declaration): Dump DECL_VALUE_EXPR.
14921 (op_symbol_1): Split out of op_symbol.
14922 (dumping_stmts): Remove. Update all users.
14923 * cgraph.c (cgraph_analyze_queue): New.
14924 (cgraph_add_new_function): New.
14925 * cgraph.h (cgraph_analyze_queue): Declare.
14926 (cgraph_add_new_function): Declare.
14927 (cgraph_lower_function): Remove.
14928 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14929 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14930 and TYPE_P nodes in its default clause.
14931 (empty_body_p): New.
14932 (tree_range_check_failed): New.
14933 (build5_stat): New.
14934 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14935 OMP_CLAUSE_REDUCTION_MERGE,
14936 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14937 OMP_CLAUSE_PRIVATE_DEBUG,
14938 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14939 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14940 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14941 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14942 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14943 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14944 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14945 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14946 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14947 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14948 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14949 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14950 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14951 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14952 (TREE_RANGE_CHECK): New.
14953 (empty_body_p): Declare.
14954 (enum omp_clause_default_kind): New.
14955 (build_string_literal): Declare.
14956 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14957 (build5_stat, build5): Declare.
14958 * tree-pass.h (TDF_CHAIN): Define.
14959 * tree-pass.h (PROP_gimple_lomp): Define.
14960 (pass_lower_omp): Declare.
14961 * diagnostic.h (debug_tree_chain): Declare.
14962 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14964 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14965 * builtins.c (build_string_literal): Make extern.
14966 * gcc.c (include_spec_function): New.
14967 (static_spec_functions): Add it.
14968 (main): Move load of libgomp.spec ...
14969 (LINK_COMMAND_SPEC): ... here.
14970 (link_gomp_spec): New.
14971 (static_specs): Include it.
14972 (LINK_COMMAND_SPEC): Add link_gomp.
14973 (GOMP_SELF_SPECS): New.
14974 (driver_self_specs): Include it.
14975 (switch_matches): Don't mark inline.
14976 (main): Load libgomp.spec.
14977 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14978 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14979 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14980 * tree-gimple.h (enum omp_parallel): Declare.
14981 (determine_parallel_type): Declare.
14982 (omp_firstprivatize_variable): Declare.
14983 (omp_reduction_init): Declare.
14984 (diagnose_omp_structured_block_errors): Declare.
14985 (struct walk_stmt_info): Add want_return_expr.
14986 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14987 (find_omp_clause): Declare.
14988 (insert_field_into_struct): Declare.
14989 (struct walk_stmt_info): Move from tree-nested.c
14990 (walk_stmts): Declare.
14991 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14993 * cgraphunit.c (cgraph_lower_function): Make static.
14994 (cgraph_finalize_pending_functions): New.
14995 (cgraph_finalize_function): Call it.
14996 (cgraph_finalize_compilation_unit): Likewise.
14997 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14998 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14999 (BT_FN_UINT_UINT): New.
15000 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
15001 DEF_FUNCTION_TYPE_VAR_4): Document.
15002 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
15003 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
15004 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
15005 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
15006 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
15007 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
15008 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
15009 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
15010 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
15011 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
15012 into separate files.
15013 (DEF_GOMP_BUILTIN): New.
15014 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
15015 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
15016 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
15017 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
15018 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
15019 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
15020 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
15021 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
15022 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
15023 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
15024 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
15025 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
15026 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
15027 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
15028 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
15029 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
15030 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
15031 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
15032 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
15033 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
15034 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
15035 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
15036 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
15037 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
15038 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
15039 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
15040 * sync-builtins.def: New file, moved from builtins.def.
15041 * omp-builtins.def: New file, moved from builtins.def.
15042 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
15043 * gimple-low.c (lower_function_body): Clear data.
15044 (lower_stmt): Do not handle COMPOUND_EXPR.
15045 Remove call to print_node_brief.
15046 * c-tree.h (c_finish_omp_clauses): New prototype.
15047 (C_DECL_THREADPRIVATE_P): Define.
15048 (lookup_name_no_remap, c_omp_remap_private): Remove
15049 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
15050 (check_for_loop_decls): Update decl.
15051 (lookup_name_no_remap, c_omp_remap_private): Declare.
15052 (build_indirect_ref, build_modify_expr, pushdecl,
15053 pushdecl_top_level): Move to c-common.h.
15054 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
15055 before the switch, but just in the 2 places that need it.
15056 * c-decl.c (diagnose_mismatched_decls): Do not check for
15057 mismatched thread-local attributes when OLDDECL is marked
15058 threadprivate and NEWDECL has no thread-local attributes.
15059 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
15060 (c_gimple_diagnostics_recursively): Rename from
15061 c_warn_unused_result_recursively. Invoke
15062 diagnose_omp_structured_block_errors.
15063 (check_for_loop_decls): Return a singular decl found.
15064 * langhooks.c (lhd_omp_predetermined_sharing): Return
15065 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
15066 (lhd_omp_firstprivatize_type_sizes): New.
15067 (lhd_omp_assignment): New.
15068 (lhd_omp_predetermined_sharing): New.
15069 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
15070 (struct lang_hooks_for_types): Add
15071 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
15072 omp_predetermined_sharing, omp_disregard_value_expr,
15073 omp_private_debug_clause, omp_clause_default_ctor,
15074 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
15075 (c_finish_omp_clauses): New.
15076 (c_finish_bc_stmt): Diagnose break within omp for.
15077 (c_begin_omp_parallel, c_finish_omp_parallel): New.
15078 (build_unary_op): Return error_mark after reporting
15080 (build_modify_expr): Likewise.
15081 * gimplify.c: Include optabs.h and pointer-set.h.
15082 (enum gimplify_omp_var_data): Declare.
15083 (struct gimplify_omp_ctx): Declare.
15084 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
15086 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
15087 (push_gimplify_context, pop_gimplify_context): Allow nesting.
15088 (splay_tree_compare_decl_uid): New.
15089 (new_omp_context): New.
15090 (delete_omp_context): New.
15091 (gimple_add_tmp_var): Call omp_add_variable.
15092 (gimplify_bind_expr): Likewise.
15093 (gimplify_var_or_parm_decl): If omp_notice_variable returned
15094 true, disregard DECL_VALUE_EXPR on the decl if any.
15095 (gimplify_expr_in_ctx): New.
15096 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
15097 omp_add_variable, omp_notice_variable, omp_is_private
15098 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
15099 gimplify_adjust_omp_clauses, gimplify_omp_parallel
15100 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
15101 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
15102 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
15103 gimplify_omp_atomic): New.
15104 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15105 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15106 OMP_CRITICAL and OMP_ATOMIC.
15107 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
15108 * c-pragma.h (enum pragma_kind): Add
15109 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
15110 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
15111 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
15112 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
15113 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
15114 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
15115 PRAGMA_OMP_THREADPRIVATE.
15116 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
15117 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
15118 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
15119 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
15120 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
15121 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
15122 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
15123 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
15124 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
15125 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
15126 * tree-ssa-dce.c (find_control_dependence): Do not assume that
15127 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
15128 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
15130 (struct nesting_info): Add field_map,
15131 suppress_expansion, debug_var_chain.
15132 (create_nesting_tree): Initialize them.
15133 (lookup_field_for_decl): Use field_map.
15134 (get_nonlocal_debug_decl, get_local_debug_decl): New.
15135 (convert_local_omp_clauses): New.
15136 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
15137 (walk_body): Split out of walk_function.
15138 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
15139 (convert_nonlocal_reference): Handle omp statements.
15140 (convert_local_reference): Likewise.
15141 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
15142 (unnest_nesting_tree): New.
15143 (lower_nested_functions): Call it.
15144 (insert_field_into_struct): Make extern.
15145 (struct walk_stmt_info): Move to tree-gimple.h.
15146 (walk_stmts): Make extern.
15147 * omp-builtins.def: New file.
15148 * tree-iterator.c (expr_only): Clarify comment.
15149 * c-common.h (pushdecl_top_level, pushdecl,
15150 build_modify_expr, build_indirect_ref,
15151 c_finish_omp_master, c_finish_omp_critical,
15152 c_finish_omp_ordered, c_finish_omp_barrier,
15153 c_finish_omp_atomic, c_finish_omp_flush,
15154 c_finish_omp_for, c_split_parallel_clauses,
15155 omp_clause_default_kind, c_omp_sharing_predetermined,
15156 c_omp_remap_decl): Declare.
15157 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
15158 (OBJS-common): Add omp-low.o.
15159 (c-omp.o, omp-low.o): Add.
15160 (gimplify.o): Add dependency on $(OPTABS_H).
15161 (GTFILES): Add omp-low.c.
15162 (gt-stringpool.h): Add.
15163 * tree-cfg.c (set_bb_for_stmt): Do not update the
15164 block-to-labels map if we are currently expanding to RTL.
15165 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
15167 Handle IDENTIFIER_NODE.
15168 (tree_verify_flow_info): Do not ICE when emitting error
15169 messages about invalid labels.
15170 (dump_function_to_file): Reset CFUN before emitting the body
15172 (debug_function): New.
15173 * passes.c (init_optimization_passes): Schedule
15175 * langhooks-def.h (lhd_omp_predetermined_sharing,
15176 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
15178 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
15179 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
15180 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
15181 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
15182 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
15183 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
15184 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
15185 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
15186 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
15187 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
15188 (LANG_HOOK_DECLS): Use them.
15190 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
15191 Richard Henderson <rth@redhat.com>
15192 Jakub Jelinek <jakub@redhat.com>
15193 Diego Novillo <dnovillo@redhat.com>
15195 * c-parser.c (pragma_omp_clause): Define.
15196 (c_parser_declaration_or_fndef): Document OpenMP syntax.
15197 (c_parser_compound_statement): Likewise.
15198 (c_parser_statement): Likewise.
15199 (c_parser_pragma): Handle omp pragmas.
15200 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
15201 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
15202 (c_parser_omp_clause_name, check_no_duplicate_clause,
15203 c_parser_omp_variable_list,
15204 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
15205 c_parser_omp_clause_copyprivate,
15206 c_parser_omp_clause_default,
15207 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
15208 c_parser_omp_clause_lastprivate,
15209 c_parser_omp_clause_nowait,
15210 c_parser_omp_clause_num_threads,
15211 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
15212 c_parser_omp_clause_reduction,
15213 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
15214 c_parser_omp_all_clauses, c_parser_omp_structured_block,
15215 c_parser_omp_atomic, c_parser_omp_barrier,
15216 c_parser_omp_critical, c_parser_omp_flush,
15217 c_parser_omp_for_loop, c_parser_omp_for,
15218 c_parser_omp_master, c_parser_omp_ordered,
15219 c_parser_omp_sections_scope, c_parser_omp_sections,
15220 c_parser_omp_parallel, c_parser_omp_single,
15221 c_parser_omp_construct, c_parser_omp_threadprivate): New.
15222 * c-pragma.c (init_pragma): Do omp pragma registration here.
15223 * c.opt (fopenmp): New flag.
15225 2006-01-18 Eric Christopher <echristo@apple.com>
15227 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
15228 * config/darwin.h (GOMP_SELF_SPECS): Define.
15230 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15232 * rtl.h: Remove the prototype for reg_alloc.
15234 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15237 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
15238 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
15239 sjlj and dwarf2 exception handling.
15240 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
15241 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
15242 * pa/pa.c (function_value): Treat complex and vector types as
15244 (function_arg): Likewise. Only pass scalar floats in the floating
15245 point argument registers.
15246 * pa/t-slibgcc-dwarf-ver: New file.
15247 * pa/t-slibgcc-sjlj-ver: New file.
15248 * pa/t-slibgcc-elf-ver: Delete file.
15250 2006-01-19 Alan Modra <amodra@bigpond.net.au>
15252 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
15253 unlikely_test_section_p test.
15255 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15257 * mode-switching.c (optimize_mode_switching): Make it static.
15258 * basic-block.h: Remove the prototype for
15259 optimize_mode_switching.
15261 * modulo-sched.c (sms_schedule): Make it static.
15262 * rtl.h: Remove the prototype for sms_schedule.
15264 * postreload-gcse.c (gcse_after_reload_main): Make it static.
15265 * rtl.h: Remove the prototype for gcse_after_reload_main.
15267 * reg-stack.c (reg_to_stack): Make it static.
15268 * rtl.h: Remove the prototype for reg_to_stack.
15270 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
15272 * rtl.h: Remove the prototypes for regrename_optimize and
15273 copyprop_hardreg_forward.
15275 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
15277 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
15278 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
15279 Test against the appropriate null constant for the mode.
15280 If 'fixup_overlap' is true, swap the operands if they overlap.
15281 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
15282 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
15283 alpha_split_tmode_pair and adjust for above change.
15284 * config/alpha/alpha.md (movtf_internal): Adjust call to
15285 alpha_split_tfmode_pair and rely on it to swap the operands.
15286 (movti_internal): New insn and post-reload splitter.
15287 (movti): New expander.
15289 2006-01-18 Philippe De Muyter <phdm@macqel.be>
15291 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
15294 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
15296 * rtlanal.c (global_reg_mentioned_p_1,
15297 global_reg_mentioned_p): Remove.
15298 * rtl.h: Remove the prototype for global_reg_mentioned_p.
15300 * flow.c (initialize_uninitialized_subregs): Make it static.
15301 * rtl.h: Remove the prototype for
15302 initialize_uninitialized_subregs.
15304 * function.c (instantiate_virtual_regs): Make it static.
15305 * function.h: Remove the prototype for
15306 instantiate_virtual_regs.
15308 * regmove.c (regmove_optimize, combine_stack_adjustments):
15310 * rtl.h: Remove the prototypes for regmove_optimize and
15311 combine_stack_adjustments.
15313 2006-01-17 Roger Sayle <roger@eyesopen.com>
15315 * config/i386/i386.c (COSTS_N_BYTES): New macro.
15316 (size_cost): Encode costs in bytes so that a reg-reg addition is
15317 equivalent to COSTS_N_INSNS(1).
15318 (override_options): Use the size_cost.branch_cost as the default
15319 ix86_branch_cost when optimizing for size.
15321 2006-01-18 Ben Elliston <bje@au.ibm.com>
15323 * Makefile.in (D32PBIT_FUNCS): New.
15324 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
15325 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
15326 D64PBIT_FUNCS and D128PBIT_FUNCS.
15327 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
15328 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
15330 (decnumber_dep): Define.
15331 * doc/libgcc.texi (Decimal float library routines): New node.
15332 * config/dfp-bit.h, config/dfp-bit.c: New files.
15334 2006-01-18 Ben Elliston <bje@au.ibm.com>
15336 * expr.c (emit_move_change_mode): Always adjust addresses, not
15337 just during reload. Copy replacements only during reload.
15338 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
15339 emit_move_via_integer.
15341 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
15343 * Makefile.in (check-%, check-consistency): Use $${srcdir}
15344 instead of $(srcdir) and ${srcdir}.
15346 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
15349 PR middle-end/11135
15350 * arm.h (struct machine_function): Add pic_reg.
15351 * arm.c (arm_pic_register): Make unsigned.
15352 (arm_override_options): Only set arm_pic_register if
15353 TARGET_SINGLE_PIC_BASE.
15354 (use_return_insn): Only test for a pic register if it is fixed.
15355 (arm_compute_save_reg0_reg12_mask): Likewise.
15356 (thumb_compute_save_reg_mask): Likewise.
15357 (legitimate_pic_operand): Factor out some known invariants.
15358 (legitimize_pic_address): If we don't have a fixed pic register,
15359 then set up a pseudo in the function entry sequence. Handle the
15360 pic base being in a pseudo.
15361 (arm_load_pic_register): Handle the pic register being in a pseudo.
15362 (arm_expand_prologue): Only set up the pic register if it is fixed.
15363 (thumb_expand_prologue): Likewise.
15364 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
15365 (pic_load_addr_based_insn): Likewise.
15366 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
15369 2006-01-18 Ben Elliston <bje@au.ibm.com>
15371 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
15372 decimal float modes for all floating point registers.
15374 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
15375 match_code "mem" with match_test "macho_lo_sum_memory_operand".
15377 2006-01-17 Jakub Jelinek <jakub@redhat.com>
15380 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
15381 even when the pointer is not NULL.
15383 2006-01-16 Ian Lance Taylor <ian@airs.com>
15385 * common.opt (ftoplevel-reorder): New option.
15386 * cgraph.c (cgraph_asm_nodes): New global variable.
15387 (cgraph_asm_last_node): New static variable.
15388 (cgraph_order): New global variable.
15389 (cgraph_create_node): Set new order field.
15390 (cgraph_varpool_node): Likewise.
15391 (decide_is_variable_needed): Return true if not
15392 flag_toplevel_reorder.
15393 (cgraph_add_asm_node): New function.
15394 * cgraph.h (struct cgraph_node): Add order field.
15395 (struct cgraph_varpool_node): Add order field.
15396 (struct cgraph_asm_node): Define.
15397 (cgraph_asm_nodes, cgraph_order): Declare.
15398 (cgraph_add_asm_node): Declare.
15399 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15401 (cgraph_varpool_assemble_pending_decls): Call it.
15402 (cgraph_output_pending_asms): New static function.
15403 (cgraph_finalize_compilation_unit): Call it.
15404 (struct cgraph_order_sort): Define.
15405 (cgraph_output_in_order): New static function.
15406 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15407 !flag_toplevel_reorder case.
15408 * c-parser.c: Include "cgraph.h".
15409 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15411 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15412 than -fno-unit-at-a-time.
15413 * doc/invoke.texi (Option Summary): Mention
15414 -fno-toplevel-reorder.
15415 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15416 -funit-at-a-time documentation.
15418 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15419 Kazu Hirata <kazu@codesourcery.com>
15421 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15423 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15425 * Makefile.in (FUNCTION_H): New. Use it instead of
15426 function.h throughout the file.
15427 * function.h: Include tree.h.
15429 2006-01-17 Ben Elliston <bje@au.ibm.com>
15431 * recog.c: Separate some functions with whitespace.
15433 2006-01-16 Richard Henderson <rth@redhat.com>
15435 Merge from gomp branch:
15436 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15437 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15438 and rename from struct inline_data. Rename callee* to dst*;
15439 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15440 transform_new_cfg, transform_return_to_modify, and
15441 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15443 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15444 (copy_decl_for_dup): Remove.
15445 * tree-inline.c (struct inline_data): Move to header.
15446 (insert_decl_map): Export.
15447 (remap_decl): Update for member name changes. Use copy_decl hook.
15448 Allow for replacement to be a non-decl. Remove dead code.
15449 (remap_type_1): Check for existing mapping.
15450 (remap_type): Export.
15451 (remap_decls): Update for member name changes.
15452 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15453 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15454 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15455 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15456 (tree_function_versioning, build_duplicate_type): Likewise.
15457 (copy_body_r): Likewise. Export.
15458 (copy_decl_for_dup): Split into ...
15459 (copy_decl_for_dup_finish, copy_decl_to_var,
15460 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15461 (replace_ref_tree, inlining_p): Remove.
15463 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15465 * ifcvt.c (if_convert): Make it static.
15466 * rtl.h: Remove the prototype for if_convert.
15468 * local-alloc.c (local_alloc): Make it static.
15469 * rtl.h: Remove the prototype for local_alloc.
15471 * loop.c (loop_optimize): Make it static.
15472 * cfgloop.h: Remove the prototype for loop_optimize.
15475 2006-01-16 DJ Delorie <dj@redhat.com>
15477 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15480 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15482 * pa.md: Disparage copies between general and floating-point registers
15483 in 32-bit move patterns.
15485 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15488 * Makefile.in (check-%): Depend on site.exp instead of
15489 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15492 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15494 * global.c (global_alloc): Make it static.
15495 * rtl.h: Remove the prototype for global_alloc.
15497 2006-01-16 Richard Guenther <rguenther@suse.de>
15499 * tree-ssa-alias.c (struct used_part): Add write_only field.
15500 (get_or_create_used_part_for): Initialize it to true.
15501 (create_overlap_variables_for): Don't create structure variables
15502 for structures that only are written to.
15503 (find_used_portions): Handle MODIFY_EXPR to track whether a
15504 structure is only written to.
15506 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15508 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15510 * basic-block.h: Remove the prototype for
15511 partition_hot_cold_basic_blocks.
15513 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15515 * cppspec.c (lang_specific_spec_functions): Remove.
15516 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15517 * gcc.h (lang_specific_spec_functions): Remove.
15518 * gccspec.c (lang_specific_spec_functions): Remove.
15520 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15522 * combine.c (record_value_for_reg): Invalidate registers
15524 (record_dead_and_set_regs_1): Likewise, by passing them to
15525 record_value_for_reg.
15526 (record_dead_and_set_regs): Invalidate stores made by a
15527 call. We do not combine across a call, but we still
15528 relied on equivalences.
15530 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15532 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15533 vrp_int_const_binop returning non-constant nodes.
15535 2006-01-16 Paul Brook <paul@codesourcery.com>
15537 * config/m68k/m68k.c (output_move_const_into_data_reg):
15538 Output correct mnemonic for mvz and mvs.
15540 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15542 * rtl-factoring.c: Add sequence abstraction algorithm.
15543 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15544 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15546 (block_has_preserve_label): New function.
15547 * common.opt: Register new pass.
15548 * Makefile.in: Ditto.
15550 * timevar.def: Ditto.
15551 * tree-pass.h: Ditto.
15552 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15553 * rtl.h (make_jump_insn_raw): Add forward decl.
15554 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15556 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15557 Roger Sayle <roger@eyesopen.com>
15559 * fold-const.c (fold_minmax): New static function.
15560 (fold_binary) <MIN_EXPR>: Call it.
15561 <MAX_EXPR>: Likewise.
15562 * stor-layout.c (place_field): Use DECL_SIZE consistently
15563 in the computation of the new record size.
15565 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15567 * cse.c (cse_condition_code_reg): Make it static.
15568 * rtl.h: Remove the prototype for cse_condition_code_reg.
15570 * combine.c (combine_instructions): Make it static.
15571 * rtl.h: Remove the prototype for combine_instructions.
15573 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15576 * tree.c (get_file_function_name_long): Concatenate the first global
15577 object name with a string derived from the input filename of the object
15580 2006-01-16 Ben Elliston <bje@au.ibm.com>
15582 * config/i386/winnt-stubs.c: Update FSF address.
15583 * config/xtensa/ieee754-df.S: Ditto.
15584 * config/xtensa/ieee754-sf.S: Ditto.
15586 2006-01-14 Ian Lance Taylor <ian@airs.com>
15588 * ifcvt.c (noce_init_if_info): New static function, broken out of
15589 noce_process_if_block.
15590 (noce_process_if_block): Call noce_init_if_info.
15591 (check_cond_move_block): New static function.
15592 (cond_move_process_if_block): New static function.
15593 (process_if_block): Call cond_move_process_if_block.
15595 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15597 * cselib.c (hash_table): Rename to cselib_hash_table.
15598 (cselib_clear_table, discard_useless_values,
15599 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15600 cselib_init, cselib_finish): Adjust uses of hash_table.
15602 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15604 PR tree-optimization/25485
15605 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15606 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15607 is known to be false and true, respectively.
15609 2006-01-14 Richard Guenther <rguenther@suse.de>
15611 PR tree-optimization/22548
15612 PR tree-optimization/22555
15613 PR tree-optimization/22501
15614 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15615 * params.def (salias-max-array-elements): New parameter.
15616 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15617 * doc/invoke.texi (salias-max-array-elements): Document.
15618 * tree-flow-inline.h (var_can_have_subvars): We also handle
15620 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15622 * tree-ssa-structalias.c (params.h): Include.
15623 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15624 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15625 (get_constraint_for): For ADDR_EXPR operating on something
15626 containing an ARRAY_REF, add all subvars to the solution.
15627 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15628 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15629 for creating MUST_DEFs.
15630 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15632 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15634 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15636 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15637 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15638 number_of_iterations_le): New functions.
15639 (number_of_iterations_special): Removed.
15640 (number_of_iterations_exit): Do not use number_of_iterations_special.
15641 * tree.c (unsigned_type_for): Always return integer type.
15643 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15644 Richard Guenther <rguenther@suse.de>
15646 PR rtl-optimization/24257
15647 * gcse.c (find_moveable_store): Only consider a store movable
15648 when the SET_SRC of the insn can be assigned to a register.
15650 2006-01-14 Ian Lance Taylor <ian@airs.com>
15652 * tree.c (tree_not_class_check_failed): New function.
15653 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15654 (tree_not_class_check_failed): Declare.
15656 2006-01-13 Ian Lance Taylor <ian@airs.com>
15658 * reload1.c (do_output_reload): Add assertion rejecting a
15661 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15663 * combine.c (struct reg_stat): Add new fields truncation_label and
15665 (record_value_for_reg): Reset truncated_to_mode.
15666 (record_truncated_value): New function.
15667 (check_promoted_subreg): Call it. Rename to check_conversions.
15668 (combine_instructions): Rename check_promoted_subreg to
15670 (reg_truncated_to_mode): New function.
15671 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15672 (gen_lowpart_or_truncate): New function.
15673 (force_to_mode): Use it instead of gen_lowpart.
15675 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15677 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15678 VAR is a tag, not its type tag.
15680 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15682 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15683 alternatives to match style of other entries.
15684 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15686 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15688 PR tree-optimization/25771
15689 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15692 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15695 * tree-inline.c (declare_return_variable): If the return variable
15696 was marked as a non gimple complex, set the return slot variable
15697 to be a non gimple comple variable.
15699 2006-01-13 Richard Guenther <rguenther@suse.de>
15701 * builtins.c (expand_builtin_sincos): New function.
15702 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15704 (expand_builtin): Expand sincos using expand_builtin_sincos.
15706 2006-01-12 DJ Delorie <dj@redhat.com>
15708 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15709 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15710 so that constant shifts can be split.
15711 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15712 (m32c_valid_pointer_mode): Make static.
15713 (shift_gen_func_for): New.
15714 (m32c_prepare_shift): Use it. Split large const shifts into
15716 * config/m32c/predicates.md (shiftcount_operand): Allow more
15718 (longshiftcount_operand): New.
15719 * doc/md.texi (Machine Constraints): Document In6.
15721 2006-01-13 Ben Elliston <bje@au.ibm.com>
15723 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15724 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15727 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15729 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15730 to try to avoid clobbering pieces of structures when we know
15731 something about the whole structure.
15732 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15734 2006-01-13 Ben Elliston <bje@au.ibm.com>
15736 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15737 return in memory, as this is no limitation is no longer present.
15739 2006-01-12 DJ Delorie <dj@redhat.com>
15741 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15742 mova with fb, and for fb+0 -> An.
15744 * config/m32c/mov.md (peephole2): Fix enabling logic.
15746 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15747 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15748 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15749 FINI_ARRAY_SECTION_ASM_OP): Define.
15751 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15753 (m32c_legitimize_reload_address): New logic to reload FB to An.
15754 (m32c_output_reg_push): Add newline.
15755 (m32c_output_reg_pop): Likewise.
15757 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15759 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15761 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15763 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15765 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15767 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15770 2006-01-11 Ben Elliston <bje@au.ibm.com>
15772 * rtlanal.c (find_reg_note): Assert insn is not null.
15774 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15776 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15779 2006-01-11 Jeff Law <law@redhat.com>
15781 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15783 (mark_threaded_blocks, register_jump_thread): New functions.
15784 (thread_through_all_blocks): Remove unwanted argument. No
15785 longer rely on e->aux to communicate thread target info.
15786 Call mark_threaded_blocks. Release the threaded_blocks
15787 bitmap and threaded_edges vector when complete.
15788 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15789 (threaded_blocks): Remove.
15790 (tree_ssa_dominator_optimize): Remove initialization and
15791 finalization of threaded_blocks. Simplify call to
15792 thread_through_all_blocks.
15793 (thread_across_edge): Call register_jump_thread rather than
15794 storing thread information into e->aux.
15795 (free_all_edge_infos): Simplify now that e->aux is no longer
15796 used to communicate with thread_through_all_blocks.
15797 * tree-flow.h (thread_through_all_blocks): Update prototype.
15798 (register_jump_thread): Prototype.
15800 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15802 * df-core.c (df_compact_blocks, df_bb_replace): Use
15803 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15805 2006-01-11 Richard Guenther <rguenther@suse.de>
15807 PR tree-optimization/25734
15808 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15809 stop propagation after successful propagation to the LHS.
15811 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15813 * basic-block.h (control_flow_graph): Change the type of
15814 x_basic_block_info to VEC(basic_block,gc) *.
15815 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15817 (SET_BASIC_BLOCK): New.
15818 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15819 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15820 * cfgbuild.c (find_basic_blocks): Likewise.
15821 * cfglayout.c (fixup_reorder_chain): Likewise.
15822 * cfgrtl.c (create_basic_block_structure,
15823 rtl_create_basic_block): Likewise.
15824 * ifcvt.c (find_if_case_1): Likewise.
15825 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15828 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15830 * Makefile.in: Removed rotted odf.c entry.
15832 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15835 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15836 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15837 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15838 output pattern modifier, not %e.
15839 * config/cris/cris.c (cris_op_str): Update comment about pattern
15841 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15842 before falling through into...
15843 <case 'E'>: Redefined from old 'e' case.
15845 2006-01-11 Jan Hubicka <jh@suse.cz>
15848 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15850 2006-01-11 Jan Hubicka <jh@suse.cz>
15852 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15853 * i386.c (x86_decompose_lea): Kill.
15854 (ix86_rtx_costs): Kill.
15856 2006-01-11 Jan Hubicka <jh@suse.cz>
15858 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15859 * cgraph.h (cgraph_node): Add inline_decl.
15860 (cgraph_insert_node_to_hashtable): Declare.
15861 (save_inline_function_body): Declare.
15862 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15864 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15865 (cgraph_function_versioning): Update call of tree_function_versioning.
15866 (save_inline_function_body): New function.
15867 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15868 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15869 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15870 (cgraph_default_inline_p): Likewise.
15871 (cgraph_decide_inlining_incrementally): Likewise.
15872 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15873 (copy_bb): Kill saving; do updating of clones.
15874 (copy_cfg_body): Kill saving.
15875 (initialize_inlined-parameters): Likewise.
15876 (expand_call_inline): Likewise.
15878 (tree_function_versioning): New parameter "update_clones".
15879 (inlining_p): Kill saving.
15880 * tree-inline.h (tree_function_versioning): Update prototype.
15881 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15884 2006-01-11 Ian Lance Taylor <ian@airs.com>
15886 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15887 Allow undoing set of machine mode.
15888 (do_SUBST): Use enums instead of is_int.
15889 (do_SUBST_MODE): New function.
15890 (SUBST_MODE): New macro.
15891 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15892 reg and trying to replace reg_regno_rtx with a new register.
15893 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15894 (simplify_set): Use SUBST_MODE.
15895 (distribute_notes): Remove code that tried to update reg notes
15896 for regno_reg_rtx changes.
15898 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15900 PR tree-optimization/23109
15901 PR tree-optimization/23948
15902 PR tree-optimization/24123
15904 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15905 * tree-cfg.c (single_noncomplex_succ): New.
15906 * tree-flow.h (single_noncomplex_succ): Declare it.
15907 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15908 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15909 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15910 insert_bb, register_division_in, insert_reciprocals,
15911 replace_reciprocal, free_bb): New.
15912 (execute_cse_reciprocals_1): Rewritten.
15913 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15914 Do not commit any edge insertion. Always compute dominators and
15915 create the allocation pool.
15916 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15917 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15918 * targhooks.c (default_min_divistions_for_recip_mul): New.
15919 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15920 * passes.c (init_optimization_passes): Run recip after tree loop
15922 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15924 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15925 Kenneth Zadeck <zadeck@naturalbridge.com>
15927 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15928 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15929 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15930 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15931 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15932 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15933 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15934 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15935 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15936 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15937 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15938 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15939 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15940 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15941 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15942 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15943 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15944 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15945 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15946 DF_SCAN_POST_ALLOC): New macros.
15947 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15948 df_free_bb_function, df_local_compute_function, df_init_function,
15949 df_dataflow_function, df_confluence_function_0,
15950 df_confluence_function_n, df_transfer_function,
15951 df_finalizer_function, df_free_function, df_dump_problem_function,
15952 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15953 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15954 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15955 df_urec_bb_info, ) New types.
15956 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15958 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15959 df_analyze_simple_change_some_blocks,
15960 df_analyze_simple_change_one_block, df_compact_blocks,
15961 df_bb_replace, df_bb_regno_last_use_find,
15962 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15963 df_insn_regno_def_p, df_find_def, df_find_use,
15964 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15965 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15966 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15967 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15968 debug_df_chain, df_get_dependent_problem, df_chain_create,
15969 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15970 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15971 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15972 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15973 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15974 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15975 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15976 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15977 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15978 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15979 df_reorganize_refs, df_set_state, df_hard_reg_init,
15980 df_read_modify_subreg_p) New public functions.
15981 * df-core.c: The core dataflow solver and glue routines for rtl
15983 (df_init, df_add_problem, df_set_blocks, df_finish,
15984 df_hybrid_search_forward, df_hybrid_search_backward,
15985 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15986 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15987 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15988 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15989 df_reg_defined, df_find_use, df_reg_used, df_dump,
15990 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15991 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15992 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15993 debug_df_useno, reset_df_after_reload): New functions.
15994 * df-scan.c: The scanning fuctions, once in df.c, completely
15995 rewritten so that they now fully model the functionality of
15996 register usage at the backend.
15997 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15998 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15999 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
16000 df_grow_insn_info, df_rescan_blocks, df_ref_create,
16001 df_get_artificial_defs, df_get_artificial_uses,
16002 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
16003 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
16004 df_refs_delete, df_reorganize_refs, df_set_state,
16005 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
16006 df_def_record_1, df_defs_record, df_uses_record,
16007 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
16008 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
16009 df_record_exit_block_uses, df_hard_reg_init): New functions.
16011 * df-problems.c: Seven concrete dataflow problems that use the
16012 scanning in df-scan.c and are solved by the engine in df-core.c.
16013 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
16014 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
16015 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
16016 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
16017 df_ru_free_bb_info, df_ru_alloc,
16018 df_ru_bb_local_compute_process_def,
16019 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
16020 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
16021 df_ru_transfer_function, df_ru_free, df_ru_dump,
16022 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
16023 df_rd_free_bb_info, df_rd_alloc,
16024 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
16025 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
16026 df_rd_transfer_function, df_rd_free, df_rd_dump,
16027 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
16028 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
16029 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
16030 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
16031 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
16032 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
16033 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
16034 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
16035 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
16036 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
16037 df_urec_mark_reg_change, df_urec_check_earlyclobber,
16038 df_urec_mark_reg_use_for_earlyclobber,
16039 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
16040 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
16041 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
16042 df_urec_dump, df_urec_add_problem, df_chain_alloc,
16043 df_chain_create_bb_process_use, df_chain_create_bb,
16044 df_chain_finalize, df_chain_free, df_chains_dump,
16045 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
16046 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
16047 df_reg_lifetime): New functions.
16048 * df.c: Deleted file.
16049 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
16050 consistent with new df api.
16051 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
16052 rest_of_handle_sms): Ditto.
16053 * web.c (unionfind_union, union_defs, entry_register, web_main):
16055 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
16056 invariant_expr_equal_p, find_defs, check_dependencies,
16057 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
16058 free_inv_motion_data, move_loop_invariants): Ditto.
16059 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
16060 Update dependencies.
16061 (odf.c): Added defective entry that was deleted later in day.
16062 * sched-deps.c (sched_analyze_1): Ditto.
16064 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
16066 * tree-ssa-operands.c (get_expr_operands): Record addressable
16067 variables directly. Do not call add_stmt_operands for CONST_DECLs
16069 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
16070 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
16072 2006-01-11 Ben Elliston <bje@au.ibm.com>
16074 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
16075 function returns true in the positive case.
16077 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
16080 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
16081 for SI, DI, SF and DF modes. Add alternatives to copy between
16082 general and floating point registers to the 32-bit patterns.
16083 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
16084 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
16085 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
16086 generating 64-bit code.
16087 * config/pa/pa.c (output_move_double): Handle copies between general
16088 and floating registers.
16090 2006-01-10 Stuart Hastings <stuart@apple.com>
16092 * config/i386/i386.md (set_got): Update.
16093 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
16094 (builtin_setjmp_receiver): Mach-O support.
16095 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
16096 (GOT_SYMBOL_NAME): Define.
16097 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
16098 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
16099 * config/i386/i386.c (override_options): Revise for Darwin.
16100 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
16101 support. (darwin_x86_file_end): New. (output_set_got): Add label
16102 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
16103 * config/i386/i386-protos.h (output_set_got): Likewise.
16104 * config/darwin.c (machopic_legitimize_pic_address): Update
16107 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
16109 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
16110 when MODE isn't BLKmode.
16112 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
16114 PR rtl-optimization/25367
16115 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
16117 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
16120 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
16121 for a negative bound.
16123 2006-01-10 Richard Guenther <rguenther@suse.de>
16125 * tree-ssa-structalias.c (get_constraint_for_component_ref):
16126 Never override with anything constraint.
16128 2006-01-10 Jan Beulich <jbeulich@novell.com>
16130 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
16131 256 bits when optimize_size.
16133 2006-01-10 Jan Beulich <jbeulich@novell.com>
16135 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
16137 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
16138 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
16141 2006-01-10 Ben Elliston <bje@au.ibm.com>
16143 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
16145 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
16146 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
16147 (USE_FP_FOR_ARG): Reject decimal float modes.
16148 (function_arg_advance): Likewise.
16149 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
16150 (rs6000_handle_altivec_attribute): Do not permit decimal floating
16151 point types in AltiVec vectors.
16152 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
16153 (rs6000_libcall_value): Likewise.
16155 2006-01-09 Bob Wilson <bob.wilson@acm.org>
16157 * config/xtensa/ieee754-df.S: New file.
16158 * config/xtensa/ieee754-sf.S: New file.
16159 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
16160 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
16161 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
16163 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
16165 * config/sh/predicates.md (binary_float_operator,
16166 binary_logical_operator, commutative_float_operator,
16167 equality_comparison_operator, greater_comparison_operator,
16168 less_comparison_operator, logical_operator,
16169 noncommutative_float_operator, shift_operator,
16170 symbol_ref_operand, unary_float_operator): Remove redundant
16173 2006-01-09 Jeff Law <law@redhat.com>
16175 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
16176 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
16177 now unused arguments. Callers updated.
16178 (eliminate_redundant_computations): Remove now unused arguments,
16180 (local_fold): Remove, no longer used.
16181 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
16183 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
16184 (simplify_cond): New function.
16185 (forward_propagate_into_cond): Call simplify_cond.
16187 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
16189 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
16190 (*vec_extractv2di_1_sse): New.
16192 2006-01-09 Ben Elliston <bje@au.ibm.com>
16194 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
16196 2006-01-08 Richard Guenther <rguenther@suse.de>
16198 * tree-ssa-structalias.c (get_constraint_for): Remove
16199 anyoffset argument.
16200 (get_constraint_for_component_ref): Likewise.
16201 (do_deref): Likewise.
16202 (get_constraint_for): Likewise.
16203 (do_structure_copy): Likewise.
16204 (handle_ptr_arith): Likewise.
16205 (find_func_aliases): Likewise. Remove unused need_anyoffset
16208 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
16209 Kaz Kojima <kkojima@gcc.gnu.org>
16211 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
16212 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
16213 (EXTRA_CONSTRAINT_C16): Remove.
16214 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
16215 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
16216 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
16217 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
16218 constants of SHmedia. Handle nested constant expressions of
16220 (andcosts): Fix the costs for SHmedia constants.
16221 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
16222 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
16223 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
16224 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
16225 (movv4hi_i, movv2si_i): Likewise.
16226 (movsi_const): Adjust the second operand of ior so to match with
16227 the Csu constraint.
16228 (movdi_const, movdi_const_32bit): Likewise.
16229 (movdi_const_16bit+1): Don't sign-extend LOW.
16230 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
16232 (*double_shori): Fix the split condition. Use GEN_INT instead
16233 of get_int_mode calls. Mask lower 16-bit of the argument of
16235 (sym2GOTPLT): Remove.
16236 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
16238 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
16239 instead of EXTRA_CONSTRAINT_C16.
16241 2006-01-07 Ian Lance Taylor <ian@airs.com>
16242 David Edelsohn <edelsohn@gnu.org>
16244 PR rtl-optimization/25662
16245 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
16246 for constant operands instead of simplify_gen_binary.
16247 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
16248 after trying simplify_binary_operation
16250 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
16252 * tree.c (iterative_hash_expr): Hash decls based on UID.
16254 2006-01-06 Eric Christopher <echristo@apple.com>
16256 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
16257 (TARGET_UNWIND_EMIT): Fix spelling.
16258 * target.h (gcc_target): Add except_table_label.
16259 * except.c (output_function_exception_table): Use.
16260 * varasm.c (default_emit_except_table_label): New.
16261 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
16263 (asm_out): Add here.
16264 * output.h (default_emit_except_table_label): Prototype.
16265 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
16266 * config/darwin.c (darwin_emit_except_table_label): Define.
16267 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
16269 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
16271 PR tree-optimization/18527
16272 * tree-ssa-loop-niter.c (number_of_iterations_cond,
16273 number_of_iterations_special, number_of_iterations_exit):
16274 Move base and step of an iv to a single structure. Add
16275 no_overflow flag, and use it in # of iterations analysis.
16276 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
16277 folded_casts argument.
16278 (simple_iv): Pass base and step in a structure. Set no_overflow
16280 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
16281 Evaluate expensiveness of computing # of iterations instead of
16282 the final expression.
16283 * tree-scalar-evolution.h (affine_iv): New structure.
16284 (simple_iv): Declaration changed.
16285 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
16286 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
16287 find_givs_in_stmt): Changed due to simple_iv change.
16289 2006-01-06 Jeff Law <law@redhat.com>
16292 * tree-cfg.c (bsi_replace): Rename final argument from
16293 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
16294 change (stmt -> orig_stmt).
16295 * tree-eh.c (verify_eh_throw_stmt_node): New function.
16296 (bsi_remove): Add new argument. Remove EH information
16298 (verify_eh_throw_table_statements): New function.
16299 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
16301 * tree-optimize.c (execute_free_cfg_annotations): Verify
16302 the EH throw statement table after removing annotations.
16303 * except.h (verify_eh_throw_table_statements): Prototype.
16304 * tree-flow.h (bsi_remove): Update prototype.
16305 * tree-vrp.c (remove_range_assertions): Add new argument to
16307 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
16308 * tree-complex.c (expand_complex_div_wide): Likewise.
16309 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
16310 * tree-tailcall.c (eliminate_tailcall): Likewise.
16311 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
16312 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
16313 * tree-nrv.c (tree_nrv): Likewise.
16314 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
16315 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
16316 (combine_blocks): Likewise.
16317 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
16318 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
16319 (cleanup_control_flow): Likewise.
16320 (remove_forwarder_block): Likewise.
16321 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
16322 * tree-sra.c (sra_replace): Likewise.
16323 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
16324 (forward_propagate_single_use_vars): Likewise.
16325 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
16326 * tree-inline.c (expand_call_inline): Likewise.
16327 * tree-vect-transform.c (vect_transform_loop): Likewise.
16328 * tree-outof-ssa.c (rewrite_trees): Likewise.
16329 * tree-cfg.c (make_goto_expr_edges): Likewise.
16330 (cleanup_dead_labels): Likewise.
16331 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
16332 (bsi_move_before, bsi_move_after): Likewise.
16333 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
16334 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
16336 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
16339 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
16341 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
16342 on non gimple variables. Also add checks at the top for decls and
16344 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
16346 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
16347 and IMAGPART_EXPR for creating MUST_DEFs.
16348 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
16349 and NAME_MEMORY_TAG separately from the DECLs.
16351 2006-01-06 Richard Guenther <rguenther@suse.de>
16353 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
16354 annotation, if necessary.
16355 * tree-ssa-pre.c (create_expression_by_pieces): Remove
16356 redundant calls to update_stmt.
16357 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
16360 2006-01-05 Richard Henderson <rth@redhat.com>
16362 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
16364 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16366 * c-typeck.c: Update copyright date.
16368 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
16370 * c-typeck.c (build_c_cast): Always warn when casting
16371 from a pointer to an integer of different size, even if
16372 the node was constant.
16374 2006-01-05 Richard Guenther <rguenther@suse.de>
16376 PR tree-optimization/22555
16377 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
16378 if one structure field is an array.
16379 * tree-ssa-operands.c (get_expr_operands): Continue scanning
16380 operands even if we found a subvar, but ignore VOPs in this
16382 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
16384 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16386 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16388 PR middle-end/24998
16389 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16391 2006-01-05 Richard Guenther <rguenther@suse.de>
16392 Diego Novillo <dnovillo@redhat.com>
16394 * tree-pass.h (TODO_remove_unused_locals): Define.
16395 * gimple-low.c (expand_var_p, remove_useless_vars,
16396 pass_remove_useless_vars): Remove. Update all users.
16397 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16398 (remove_unused_locals): New function.
16399 * tree-flow.h (remove_unused_locals): Declare.
16400 * passes.c (execute_todo): Call remove_unused_locals if
16401 TODO_remove_unused_locals is set.
16402 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16403 * tree-ssa-dce.c (pass_dce): Likewise.
16404 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16406 2006-01-05 Richard Guenther <rguenther@suse.de>
16408 * tree-flow.h (struct fieldoff): Decompose field to
16409 type, size and decl.
16410 * tree-ssa-alias.c (create_sft): Take type as parameter.
16411 (create_overlap_variables_for): Store type, size and decl
16412 in the fieldoff structure.
16413 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16414 of struct fieldoff.
16415 (push_fields_onto_fieldstack): Likewise.
16416 (create_variable_info_for): Likewise. Use offset for the
16417 SFT name if the decl is not available.
16419 2006-01-04 Paul Brook <paul@codesourcery.com>
16421 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16423 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16425 * lambda-code.c (can_put_in_inner_loop): Relax
16427 (can_put_after_inner_loop): New function.
16428 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16429 (perfect_nestify): Change to make copies and modify uses.
16431 2006-01-04 Richard Henderson <rth@redhat.com>
16433 Merge from gomp branch:
16434 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16435 via integer constant.
16436 (pragma_lex): Remove.
16437 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16438 rather than parsing it.
16439 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16440 handle_pragma_extern_prefix): Add %< %> quotes.
16441 (registered_pragmas): New.
16442 (c_register_pragma_1): New.
16443 (c_register_pragma): Use it.
16444 (c_register_pragma_with_expansion): Likewise.
16445 (c_invoke_pragma_handler): New.
16446 (init_pragma): Use cpp_register_deferred_pragma directly for
16448 * c-pragma.h (enum pragma_kind): New.
16449 (pragma_handler): New.
16450 (c_invoke_pragma_handler): Declare.
16451 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16453 * c-common.h (c_common_pch_pragma): Update decl.
16454 * Makefile.in (c-parser.o): Update dependencies.
16455 (GTFILES): Add c-pragma.h.
16456 * c-parser.c (struct c_token): Add pragma_kind.
16457 (struct c_parser): Add in_pragma.
16458 (c_lex_one_token): Always initialize keyword and pragma_kind.
16459 Extract data for CPP_PRAGMA.
16460 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16461 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16462 Don't allow CPP_PRAGMA_EOL if in_pragma.
16463 (c_parser_consume_pragma): New.
16464 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16465 (c_parser_skip_to_end_of_parameter): Likewise.
16466 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16467 (c_parser_skip_to_pragma_eol): New.
16468 (c_parser_external_declaration): Handle CPP_PRAGMA.
16469 (c_parser_compound_statement_nostart): Likewise.
16470 (c_parser_statement_after_labels): Likewise.
16471 (c_parser_pragma): New.
16472 (pragma_lex): Likewise.
16473 (c_parser_pragma_pch_preprocess): New.
16474 (c_parser_new): Merge into ...
16475 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16477 2006-01-04 Jeff Law <law@redhat.com>
16480 * tree-cfg.c (bsi_replace): Remove the original statement
16481 from the EH throw statement table.
16483 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16485 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16486 make the prototype extern "C" and add throw ().
16489 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16490 and pos non-negative and pos + len <= 32.
16491 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16492 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16493 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16496 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16497 as well as sizes not multiple of component size.
16500 * function.c (instantiate_expr): New function.
16501 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16502 walk its DECL_VALUE_EXPR with instantiate_expr.
16504 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16505 DW_OP_deref{,_size} if address isn't going to be added.
16507 2006-01-04 Ben Elliston <bje@au.ibm.com>
16509 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16510 * config/fp-bit.c: Likewise.
16512 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16514 * dominance.c: Add comment about why we use DFS numbering
16517 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16518 Richard Henderson <rth@redhat.com>
16520 Merge from gomp-branch:
16521 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16522 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16524 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16526 PR rtl-optimization/25578
16527 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16528 pass a parameter to simplify_shift_const if changing ASHIFTRT
16531 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16533 * builtins.c (get_builtin_sync_mem): New function.
16534 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16535 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16536 Call get_builtin_sync_mem to generate mem rtx.
16538 2006-01-03 Richard Guenther <rguenther@suse.de>
16541 * stmt.c (add_case_node): Make sure to clear overflow flags
16544 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16546 Merge from gomp-branch.
16547 * config/sparc/sync.md: New file.
16548 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16549 UNSPECV_LDSTUB): New constants.
16550 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16551 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16552 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16555 2006-01-03 Roger Sayle <roger@eyesopen.com>
16557 * combine.c (reg_subword_p): New predicate to test whether the
16558 destination of a set refers to a subword/piece of a register.
16559 (try_combine): Generalize the code to merge the setting of a
16560 pseudo to a constant followed by a set of a subword of that
16561 register to a constant.
16563 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16565 * basic-block.h (control_flow_graph): Change the type of
16566 x_label_to_block_map to VEC(basic_block,gc) *.
16567 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16568 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16570 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16571 VEC(basic_block,heap) *.
16572 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16573 ssa_prop_fini): Adjust the uses of cfg_blocks.
16575 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16577 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16579 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16580 hashing trees instead of a pointer hash.
16581 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16582 compare for MEM_EXPR.
16584 PR rtl-optimization/25130
16585 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16586 when comparing MEMs for GCSE
16588 2006-01-03 Ben Elliston <bje@au.ibm.com>
16590 * targhooks.h (default_decimal_float_supported_p): Declare.
16591 * targhooks.c (default_decimal_float_supported_p): Define.
16592 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16593 `default_decimal_float_supported_p'.
16594 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16596 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16598 * combine.c (apply_distributive_law <SUBREG>): Check
16599 TRULY_NOOP_TRUNCATION.
16601 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16603 * dwarf2out.c (have_switched_text_section): Delete.
16604 (have_multiple_function_sections): New.
16605 (have_location_lists): Make 'bool'.
16606 (add_AT_loc_list): Use 'true' not '1'.
16607 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16608 (output_loc_list): Use have_multiple_function_sections.
16609 (output_ranges): Likewise.
16610 (dwarf2out_begin_function): Set have_multiple_function_sections if
16612 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16613 Check function_section rather than DECL_SECTION_NAME.
16614 (dwarf2out_finish): Use have_multiple_function_sections.
16615 Don't clear have_location_lists.
16617 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16618 Jan Hubicka <jh@suse.cz>
16620 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16621 case of conditional jump jumping to the next instruction.
16622 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16623 cases of conditional jump jumping to the next instruction.
16625 2006-01-02 Jan Hubicka <jh@suse.cz>
16627 * i386.c (*_cost): Add COSTS_N_INSNS.
16628 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16630 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16633 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16635 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16637 * config/arm/arm.c (all_fpus): Fix comment typo.
16638 * config/darwin.c: Likewise.
16639 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16640 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16641 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16643 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16645 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16646 (rs6000_split_compare_and_swapqhi): New.
16647 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16648 (sync_compare_and_swapqhi_internal): New.
16649 * config/rs6000/rs6000-protos.h: Declare.