1 2006-10-22 Richard Sandiford <richard@codesourcery.com>
2 Kaz Kojima <kkojima@gcc.gnu.org>
5 * config/sh/sh.c (expand_block_move): Use a BLKmode rather than
6 SImode memory reference for the source of a movua.
7 * config/sh/sh.md (UNSPEC_MOVUA): New macro.
8 (movua): Use an unspec instead of sign_extract. Expect the source
10 (extv, insv): Use a BLKmode rather than SImode memory reference
11 for the source of a movua.
13 2006-10-22 Jeff Law <law@redhat.com>
14 Richard Guenther <rguenther@suse.de>
16 PR tree-optimization/15911
17 * tree-vrp.c (extract_code_and_val_from_cond): New function.
18 (register_edge_assert_for_1): Likewise.
19 (register_edge_assert_for): Handle &&/&/||/| in conditionals.
20 (find_conditional_asserts): Adjust for new function signature.
21 (find_assert_locations): Likewise.
23 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
25 * config/i386/tmmintrin.h: Remove the duplicated content.
27 2006-10-22 H.J. Lu <hongjiu.lu@intel.com>
29 * config.gcc (i[34567]86-*-*): Add tmmintrin.h to extra_headers.
30 (x86_64-*-*): Likewise.
32 * config/i386/i386.c (pta_flags): Add PTA_SSSE3.
33 (override_options): Check SSSE3.
34 (ix86_builtins): Add IX86_BUILTIN_PHADDW, IX86_BUILTIN_PHADDD,
35 IX86_BUILTIN_PHADDSW, IX86_BUILTIN_PHSUBW, IX86_BUILTIN_PHSUBD,
36 IX86_BUILTIN_PHSUBSW, IX86_BUILTIN_PMADDUBSW,
37 IX86_BUILTIN_PMULHRSW, IX86_BUILTIN_PSHUFB,
38 IX86_BUILTIN_PSIGNB, IX86_BUILTIN_PSIGNW, IX86_BUILTIN_PSIGND,
39 IX86_BUILTIN_PALIGNR, IX86_BUILTIN_PABSB, IX86_BUILTIN_PABSW,
40 IX86_BUILTIN_PABSD, IX86_BUILTIN_PHADDW128,
41 IX86_BUILTIN_PHADDD128, IX86_BUILTIN_PHADDSW128,
42 IX86_BUILTIN_PHSUBW128, IX86_BUILTIN_PHSUBD128,
43 IX86_BUILTIN_PHSUBSW128, IX86_BUILTIN_PMADDUBSW128,
44 IX86_BUILTIN_PMULHRSW128, IX86_BUILTIN_PSHUFB128,
45 IX86_BUILTIN_PSIGNB128, IX86_BUILTIN_PSIGNW128,
46 IX86_BUILTIN_PSIGND128, IX86_BUILTIN_PALIGNR128,
47 IX86_BUILTIN_PABSB128, IX86_BUILTIN_PABSW128 and
48 IX86_BUILTIN_PABSD128.
49 (bdesc_2arg): Add SSSE3.
50 (bdesc_1arg): Likewise.
51 (ix86_init_mmx_sse_builtins): Support SSSE3.
52 (ix86_expand_builtin): Likewise.
53 * config/i386/i386.h (TARGET_CPU_CPP_BUILTINS): Likewise.
55 * config/i386/i386.md (UNSPEC_PSHUFB): New.
56 (UNSPEC_PSIGN): Likewise.
57 (UNSPEC_PALIGNR): Likewise.
58 Include mmx.md before sse.md.
60 * config/i386/i386.opt: Add -mssse3.
62 * config/i386/sse.md (ssse3_phaddwv8hi3): New pattern for SSSE3.
63 (ssse3_phaddwv4hi3): Likewise.
64 (ssse3_phadddv4si3): Likewise.
65 (ssse3_phadddv2si3): Likewise.
66 (ssse3_phaddswv8hi3): Likewise.
67 (ssse3_phaddswv4hi3): Likewise.
68 (ssse3_phsubwv8hi3): Likewise.
69 (ssse3_phsubwv4hi3): Likewise.
70 (ssse3_phsubdv4si3): Likewise.
71 (ssse3_phsubdv2si3): Likewise.
72 (ssse3_phsubswv8hi3): Likewise.
73 (ssse3_phsubswv4hi3): Likewise.
74 (ssse3_pmaddubswv8hi3): Likewise.
75 (ssse3_pmaddubswv4hi3): Likewise.
76 (ssse3_pmulhrswv8hi3): Likewise.
77 (ssse3_pmulhrswv4hi3): Likewise.
78 (ssse3_pshufbv16qi3): Likewise.
79 (ssse3_pshufbv8qi3): Likewise.
80 (ssse3_psign<mode>3): Likewise.
81 (ssse3_psign<mode>3): Likewise.
82 (ssse3_palignrti): Likewise.
83 (ssse3_palignrdi): Likewise.
84 (abs<mode>2): Likewise.
85 (abs<mode>2): Likewise.
87 * config/i386/tmmintrin.h: New file.
89 * doc/extend.texi: Document SSSE3 built-in functions.
91 * doc/invoke.texi: Document -mssse3/-mno-ssse3 switches.
93 2006-10-22 Ira Rosen <irar@il.ibm.com>
95 * tree-vect-transform.c (vectorizable_load): Use the type of the
96 return value of the mask_for_load builtin to create realign_load
99 2006-10-22 Richard Sandiford <richard@codesourcery.com>
101 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
104 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
106 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
107 (UNSPEC_LDDQU): This.
108 * config/i386/sse.md (sse3_lddqu): Updated.
110 2006-10-21 Richard Guenther <rguenther@suse.de>
112 * builtins.c (expand_builtin_int_roundingfn_2): New function.
113 (expand_builtin): Use it to expand lrint instead of
114 expand_builtin_mathfn.
116 2006-10-21 Uros Bizjak <uros@kss-loka.si>
119 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
120 flag_unsafe_math_optimizations is set.
122 2006-10-21 Uros Bizjak <uros@kss-loka.si>
125 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
126 patterns to use memory input operand in x87->mem->XMM
127 reload sequences. Skip transformation for TARGET_K8.
129 2006-10-21 Uros Bizjak <uros@kss-loka.si>
131 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
132 force operand1 to register if both operands are memory operands.
133 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
134 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
135 if both operands are memory operands.
136 (truncdfsf2): Do not force operand1 to register if both operands
139 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
141 * Makefile.in (LIBS): Add $(GMPLIBS).
142 * doc/install.texi: Update GMP and MPFR requirements.
143 * doc/sourcebuild.texi (need_gmp): Delete.
145 2006-10-21 Richard Guenther <rguenther@suse.de>
147 PR tree-optimization/3511
148 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
149 got new invariant arguments during PHI translation.
151 2006-10-21 Richard Guenther <rguenther@suse.de>
154 * fold-const.c (fold_comparison): Fold signed comparisons
155 of the form X +- C1 CMP Y +- C2.
157 2006-10-21 Richard Guenther <rguenther@suse.de>
160 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
161 if flag_unsafe_math_optimizations is specified. We have
162 flag_finite_math_only for that.
163 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
164 or flag_unsafe_math_optimizations.
166 2006-10-21 Richard Guenther <rguenther@suse.de>
168 * builtins.c (fold_builtin_classify): Fix typo.
170 2006-10-21 Richard Guenther <rguenther@suse.de>
173 * simplify-rtx.c (simplify_const_relational_operation):
174 Do not constant-fold ORDERED and UNORDERED for
175 flag_unsafe_math_optimizations but only we do not need to
176 honor NaNs for the given mode.
178 2006-10-21 Richard Guenther <rguenther@suse.de>
181 * config/i386/i386.c (classify_argument): Remove redundant
182 walking of the BINFOs.
183 (contains_128bit_aligned_vector_p): Likewise.
185 2006-10-20 Mark Mitchell <mark@codesourcery.com>
187 * BASE-VER: Set to 4.3.0.
189 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
191 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
192 (tree_decl_with_vis): Remove artificial_pta_var flag.
193 * tree-flow.h (referenced_var_check_and_insert): Expose.
194 (nonlocal_all): New prototype.
195 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
196 (nonlocal_all): Make global.
197 (nonlocal_lookup): Remove.
198 (nonlocal_insert): Ditto.
199 (create_nonlocal_var): Do not call nonlocal_insert.
200 (get_nonlocal_id_for_type): Remove.
201 (find_global_initializers): Mark new vars we find for renaming.
202 (intra_create_variable_infos): Only create one nonlocal.
203 (expand_nonlocal_solutions): Remove.
204 (compute_points_to_sets): Don't call it.
205 (ipa_pta_execute): Ditto.
206 (init_alias_heapvars): Don't create nonlocal_for_type.
207 (delete_alias_heapvars): Don't remove it.
208 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
211 2006-10-19 Brooks Moses <bmoses@stanford.edu>
213 * doc/install.texi (Downloading GCC): Clarify mention of
214 Fortran in the "full distribution" description.
216 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
218 Fix PR tree-optimization/28778
219 Fix PR tree-optimization/29156
220 Fix PR tree-optimization/29415
221 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
222 (tree_decl_with_vis): Add artificial_pta_var flag.
223 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
225 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
226 (nonlocal_all): Ditto.
227 (struct variable_info): Add directly_dereferenced member.
228 (var_escaped_vars): New variable.
229 (escaped_vars_tree): Ditto.
230 (escaped_vars_id): Ditto.
231 (nonlocal_vars_id): Ditto.
232 (new_var_info): Set directly_dereferenced.
233 (graph_size): New variable
234 (build_constraint_graph): Use graph_size.
235 (solve_graph): Don't process constraints that cannot change the
236 solution, don't try to propagate an empty solution to our
238 (process_constraint): Set directly_dereferenced.
239 (could_have_pointers): New function.
240 (get_constraint_for_component_ref): Don't process STRING_CST.
241 (nonlocal_lookup): New function.
242 (nonlocal_insert): Ditto.
243 (create_nonlocal_var): Ditto.
244 (get_nonlocal_id_for_type): Ditto.
245 (get_constraint_for): Allow results vector to be empty in the case
247 Handle results of calls properly.
248 (update_alias_info): Update alias info stats on number and type of
250 (find_func_aliases): Use could_have_pointers.
251 (make_constraint_from_escaped): Renamed from
252 make_constraint_to_anything, and changed to make constraints from
254 (make_constraint_to_escaped): New function.
255 (find_global_initializers): Ditto.
256 (create_variable_info_for): Make constraint from escaped to any
257 global variable, and from any global variable to the set of
259 (intra_create_variable_infos): Deal with escaped instead of
260 pointing to anything.
261 (set_uids_in_ptset): Do type pruning on directly dereferenced
263 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
264 (init_base_vars): Fix comment, and initialize escaped_vars.
265 (need_to_solve): Removed.
266 (find_escape_constraints): New function.
267 (expand_nonlocal_solutions): Ditto.
268 (compute_points_to_sets): Call find_escape_constraints and
269 expand_nonlocal_solutions.
270 (delete_points_to_sets): Don't fall off the end of the graph.
271 (init_alias_heapvars): Initialize nonlocal_for_type and
273 (delete_alias_heapvars): Free nonlocal_for_type and null out
276 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
278 * fold-const.c (add_double): Rename to add_double_with_sign.
279 Add 'unsigned_p' parameter and take it into account for the overflow.
280 (mul_double): Rename to mul_double_with_sign.
281 Add 'unsigned_p' parameter and take it into account for the overflow.
282 (fold_div_compare): Call add_double_with_sign instead of add_double
283 and mul_double_with_sign instead of mul_double, passing them the
284 unsignedness of the type.
285 * tree.h (add_double): Macroize.
286 (add_double_with_sign): New prototype.
287 (mul_double): Macroize.
288 (mul_double_with_sign): New prototype.
290 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
292 * config/score/crti.asm: New file.
293 * config/score/crtn.asm: New file.
294 * config/score/elf.h: New file.
295 * config/score/mac.md: New file.
296 * config/score/misc.md: New file.
297 * config/score/mul-div.S: New file.
298 * config/score/predicates.md: New file.
299 * config/score/score7.md: New file.
300 * config/score/score.c: New file.
301 * config/score/score-conv.h: New file.
302 * config/score/score.h: New file.
303 * config/score/score.md: New file.
304 * config/score/score-mdaux.c: New file.
305 * config/score/score-mdaux.h: New file.
306 * config/score/score-modes.def: New file.
307 * config/score/score.opt: New file.
308 * config/score/score-protos.h: New file.
309 * config/score/score-version.h: New file.
310 * config/score/t-score-elf: New file.
311 * config.gcc: Add score*-*-* configurations(Update before).
312 * doc/invoke.texi (Score Options): New section.
313 * doc/md.texi (Score family): New section to document constraints.
315 2006-10-19 Nick Clifton <nickc@redhat.com>
317 * config/arm/arm.c: Fix spelling typo.
319 2006-10-18 Tom Tromey <tromey@redhat.com>
321 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
323 2006-10-18 Jan Hubicka <jh@suse.cz>
326 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
329 2006-10-18 Marcin Dalecki <martin@dalecki.de>
331 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
332 TSI_SAME_STMT, since that's the desired entity.
334 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
336 * config/s390/contraints.md: New file.
337 * config/s390/s390-protos.h (s390_mem_constraint,
338 s390_O_constraint_str, s390_N_constraint_str,
339 s390_float_const_zero_p): Function prototypes added.
340 * config/s390/s390.c (s390_extra_constraint_str,
341 s390_const_double_ok_for_constraint_p,
342 s390_const_ok_for_constraint_p): Functions removed.
343 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
344 s390_float_const_zero_p): New functions.
345 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
346 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
347 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
348 Macro definitions removed.
349 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
350 s390_extra_constraint_str): Functions removed.
352 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
353 Richard Sandiford <richard@codesourcery.com>
356 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
357 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
359 2006-10-16 Geoffrey Keating <geoffk@apple.com>
361 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
362 (DWARF2_FRAME_REG_OUT): Likewise.
363 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
364 (DWARF2_FRAME_REG_OUT): Likewise.
366 2006-10-17 Paul Brook <paul@codesourcery.com>
368 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
370 2006-10-16 Brooks Moses <bmoses@stanford.edu>
372 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
373 Standardize on "GNU Fortran" as the official name of the Fortran
376 2006-10-16 Mike Stump <mrs@apple.com>
378 * doc/invoke.texi (Darwin Options): Document -mkernel.
379 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
381 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
382 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
383 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
384 (OS_MISSING_ALTIVEC): Add.
385 * config/i386/i386.c (override_options): Add
386 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
387 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
388 -mkernel, -static or -mdynamic-no-pic is given.
389 (C_COMMON_OVERRIDE_OPTIONS): Add.
390 * config/darwin.opt (fapple-kext): Add.
392 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
393 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
395 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
396 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
397 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
398 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
399 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
401 (flag_apple_kext): Add.
402 (TARGET_KEXTABI): Add.
403 * config/darwin.c (darwin_handle_kext_attribute): Add.
404 (DARWIN_VTABLE_P): Add.
405 (darwin_binds_local_p): Add partial support for rebinding vtables
407 (darwin_kextabi_p): Add.
408 (darwin_override_options): Add.
409 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
410 (darwin_kextabi_p): Add.
411 (darwin_override_options): Add.
412 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
413 __DYNAMIC__ and __STATIC__ here.
415 2006-10-16 Brooks Moses <bmoses@stanford.edu>
417 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
418 Added mention of "make pdf" target, and Texinfo requirements for
421 2006-10-16 DJ Delorie <dj@redhat.com>
423 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
424 into the GOT in case we need a subreg of the address.
426 2006-10-16 Richard Guenther <rguenther@suse.de>
429 * doc/extend.texi (X86 Built-in Functions): Fix typos in
430 SSE builtin documentation. Document SSE2 builtins.
432 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
434 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
435 symbol in the output file for non-shared links when -nostdlib or
436 -nodefaultlibs isn't specified.
438 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
439 posix thread support.
441 2006-10-15 Jan Hubicka <jh@suse.cz>
444 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
445 declared always_inline even when not inlining.
447 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
448 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
449 Andrew Pinski <pinskia@gmail.com>
452 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
454 2006-10-15 Jan Hubicka <jh@suse.cz>
455 Richard Guenther <rguenther@suse.de>
458 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
459 process_function_and_variable_attributes on all variables, including
460 those discovered during cgraph construction phase.
462 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
464 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
466 2006-10-14 Uros Bizjak <uros@kss-loka.si>
468 * config/i386/athlon.md (athlon_fist): Add fisttp.
470 2006-10-13 David Edelsohn <edelsohn@gnu.org>
471 Ian Lance Taylor <ian@airs.com>
474 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
475 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
478 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
480 * config/score/score.c, config/score/score.h: Fix comment
483 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
486 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
489 2006-10-13 Eric Christopher <echristo@apple.com>
491 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
493 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
496 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
497 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
498 alignment supported by 32-bit ELF.
500 2006-10-13 Eric Christopher <echristo@apple.com>
502 * config/darwin.c (darwin_emit_unwind_label): Strip
503 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
505 2006-10-13 Richard Guenther <rguenther@suse.de>
507 PR tree-optimization/29446
508 * tree-vrp.c (fix_equivalence_set): Remove.
509 (extract_range_from_assert): Do not call fix_equivalence_set.
510 (debug_value_range): Print a newline.
511 (compare_name_with_value): For equivalence sets with
512 inconsistent value ranges conservatively bail out.
513 (compare_names): Likewise.
515 2006-10-13 David Edelsohn <edelsohn@gnu.org>
517 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
518 and MPFR for gfortran.
520 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
522 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
523 alignment supported by 32-bit ELF.
525 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
529 * c-typeck.c (digest_init): Always allow initializing vectors
530 that have static storage duration with compound literals.
531 * tree.c (build_type_attribute_qual_variant): New, based on
532 build_type_attribute_variant.
533 (build_type_attribute_variant): Rewrite using the former.
534 (make_vector_type): Use build_type_attribute_qual_variant to build
535 type variants. Use type_hash_canon on the others.
537 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
538 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
540 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
542 2006-10-12 Jan Hubicka <jh@suse.cz>
545 * c-decl.c (c_make_fname_decl): Do not segfault in case where
546 current_function_decl is set but current_function_scope is not.
548 2006-10-12 Jie Zhang <jie.zhang@analog.com>
550 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
551 emit_insn to emit eh_return_internal instruction.
552 (eh_return_internal): Explicitly set pc.
554 2006-10-11 Richard Guenther <rguenther@suse.de>
556 PR tree-optimization/28230
557 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
558 to the correct place.
560 2006-10-11 Richard Guenther <rguenther@suse.de>
563 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
566 2006-10-10 Brooks Moses <bmoses@stanford.edu>
568 * configure.ac: Added pdf to "Make-hooks"
569 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
570 targets and *.pdf file patterns in cleanup targets.
571 * configure: Regenerated.
573 2006-10-10 Anatoly Sokolov <aesok@post.ru>
575 * config/avr/predicates.md: New file.
576 * config/avr/avr.md: Include it.
577 (REG_SP): New constant.
578 (peepholes): Use predicates.
579 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
580 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
581 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
583 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
585 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
588 2006-10-10 Jakub Jelinek <jakub@redhat.com>
591 * builtins.c (var_decl_component_p): New function.
592 (fold_builtin_memset, fold_builtin_memory_op): Restrict
593 single entry optimization to variables and components thereof.
595 2006-10-10 Richard Guenther <rguenther@suse.de>
597 PR rtl-optimization/29323
598 * except.c (set_nothrow_function_flags): For functions
599 that do not bind local bail out early.
601 2006-10-10 Ben Elliston <bje@au.ibm.com>
603 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
606 2006-10-09 Richard Henderson <rth@redhat.com>
610 2006-10-09 Richard Guenther <rguenther@suse.de>
613 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
616 2006-10-09 Steve Ellcey <sje@cup.hp.com>
619 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
620 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
621 * configure: Regenerate.
622 * config.in: Regenerate.
624 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
626 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
628 2006-10-08 Richard Sandiford <richard@codesourcery.com>
630 * config/mips/mips.c (mips_legitimize_tls_address): Implement
631 all TLS models in the same way as local exec if !TARGET_ABICALLS.
632 Remove stray newline.
634 2006-10-08 Richard Sandiford <richard@codesourcery.com>
636 * config/mips/mips.c (mips_classify_symbol): Do not return
637 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
638 (mips_in_small_data_p): Tweak comments.
640 2006-10-08 Richard Sandiford <richard@codesourcery.com>
642 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
644 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
646 * gimplify.c, sched-int.h: Fix comment typos.
648 * sched-int.h: Fix comment typos.
650 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
652 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
654 * sched-ebb.c (begin_schedule_ready): Use them.
655 * haifa-sched.c (schedule_insn, move_insn, try_ready,
656 add_to_speculative_block, create_check_block_twin, speculate_insn,
657 fix_jump_move, move_block_after_check): Ditto.
658 * sched-rgn.c (new_ready): Ditto.
660 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
662 PR rtl-optimization/29128
663 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
664 * sched-ebb.c (advance_target_bb): Use it to fix condition to
665 allow interblock movement of speculation checks.
667 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
670 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
671 casted to integer type.
672 (get_address_cost): Decrease cost of [symbol + index] addressing modes
673 if they are significantly more expensive than [reg + index] ones.
675 2006-10-06 Jakub Jelinek <jakub@redhat.com>
677 PR tree-optimization/29330
678 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
679 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
680 on newly allocated ddrs.
681 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
682 to VEC (loop_p, heap) pointer.
683 (compute_data_dependences_for_loop): Adjust caller.
684 (free_dependence_relations): Free DDR_LOOP_NEST.
686 * tree-loop-linear.c (linear_transform_loops): Don't forget to
687 free DEPENDENCE_RELATIONS and DATAREFS.
690 * builtins.c (expand_builtin_sync_operation,
691 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
692 Use convert_to_mode to handle promoted arguments.
694 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
696 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
698 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
700 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
702 2006-10-05 Uros Bizjak <uros@kss-loka.si>
704 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
705 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
706 Use <modeconstraint> instead of "r" as operand 1 constraint.
708 2006-10-06 Olivier Hainque <hainque@adacore.com>
710 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
711 Don't recurse on the pointed-to type.
712 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
713 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
714 types with components of variable size.
716 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
718 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
720 2006-10-06 Jakub Jelinek <jakub@redhat.com>
722 PR tree-optimization/29290
723 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
727 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
728 * config/i386/predicates.md (local_symbolic_operand): Likewise.
731 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
732 the number of vector elements fill the rest with zeros.
734 2006-10-05 Richard Sandiford <richard@codesourcery.com>
736 * config/mips/mips.c (mips_pass_by_reference): Do not return false
737 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
740 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
742 * config/bfin/bfin.md (subsi3): Lose expander, change previously
743 unnamed pattern into subsi3. Use correct constraints/predicates.
744 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
745 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
747 2006-10-05 Ira Rosen <irar@il.ibm.com>
749 * doc/loop.texi: Add data references analysis description.
751 2006-10-04 Brooks Moses <bmoses@stanford.edu>
753 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
755 2006-10-04 Richard Henderson <rth@redhat.com>
756 Jakub Jelinek <jakub@redhat.com>
758 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
759 * builtin-types.def (BT_WORD): Make unsigned.
760 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
761 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
762 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
763 * c-decl.c (grokdeclarator): Don't error if !have_tls.
764 * c-parser.c (c_parser_omp_threadprivate): Likewise.
765 * cgraph.c (decide_is_variable_needed): Look at force_output.
766 Recurse for emulated tls.
767 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
768 checks redundant with decide_is_variable_needed.
769 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
770 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
772 * expr.c (emutls_var_address): New.
773 (expand_expr_real_1): Expand emulated tls.
774 (expand_expr_addr_expr_1): Likewise.
775 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
776 * output.h (emutls_finish): Declare.
777 * toplev.c (compile_file): Call it.
778 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
779 address before wrapping in CONST.
780 * varasm.c (emutls_htab, emutls_object_type): New.
781 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
782 (get_emutls_object_name, get_emutls_object_type): New.
783 (get_emutls_init_templ_addr, emutls_decl): New.
784 (emutls_common_1, emutls_finish): New.
785 (assemble_variable): When emulating tls, swap decls; generate
786 constructor for the emutls objects.
787 (do_assemble_alias): When emulating tls, swap decl and target name.
788 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
790 * emutls.c: New file.
791 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
792 tls_object for real tls.
794 2006-10-04 Zack Weinberg <zackw@panix.com>
796 Fix bug in constraint-check generator, reported by Rask Ingemann
798 * genpreds.c (add_constraint): Don't remove anything from the
800 (write_tm_constrs_h): Detect whether "op" argument is used, and
801 mark it ARG_UNUSED if it isn't.
802 (write_insn_const_int_ok_for_constraint): Skip the part of the
803 expression that would test whether "op" (which is not available
804 here) is a CONST_INT.
806 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
809 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
811 2006-10-03 Geoffrey Keating <geoffk@apple.com>
813 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
814 current Leopard versions.
815 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
817 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
819 * doc/install.texi: Fix typos.
821 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
823 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
824 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
825 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
827 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
829 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
830 arg to be struct mach_header_64* instead.
832 2006-10-02 Jakub Jelinek <jakub@redhat.com>
835 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
836 side effects after the outer expression's post side effects.
838 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
840 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
841 comments to reflect actual behavior and relationship between
842 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
844 * doc/c-tree.texi (Working with declarations): Fix documentation
845 of FIELD_DECL likewise.
847 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
850 * doc/extend.texi: Add used variable attribute description.
852 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
855 * c.opt (Woverride-init): New.
856 * c-opts.c (c_common_post_options): Default warn_override_init to
858 * c-typeck.c (add_pending_init, output_init_element): Warn for
859 overriding initializers without side effects.
860 * doc/invoke.texi (-Woverride-init): Document.
863 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
865 PR rtl-optimization/28096
866 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
867 assignment has already been used as a destination earlier in the block.
869 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
871 * builtins.c (expand_builtin_setjmp): Delete.
872 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
873 <BUILT_IN_SETJMP_SETUP>: New case.
874 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
875 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
876 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
877 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
878 (BUILT_IN_SETJMP_RECEIVER): Likewise.
879 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
880 (lower_function_body): Initialize it to false. If it is set to true
881 at the end of the processing, emit the setjmp dispatcher.
882 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
883 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
884 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
885 on the rhs of the assignment.
886 (lower_builtin_setjmp): New function.
887 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
888 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
889 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
890 to detect calls that can go to non-local labels. Use specific
891 helper to create the abnormal edges associated with them.
892 <MODIFY_EXPR>: Likewise.
893 (make_abnormal_goto_edges): New function extracted from...
894 (make_goto_expr_edges): ...here. Call it for computed gotos.
895 (simple_goto_p): Minor tweak.
896 (tree_can_make_abnormal_goto): New predicate.
897 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
898 (tree_purge_dead_abnormal_call_edges): New function.
899 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
900 (tree_purge_dead_abnormal_call_edges): Likewise.
901 (make_abnormal_goto_edges): Likewise.
902 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
903 Purge all dead abnormal edges if the call was in the last statement.
904 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
905 (execute_fixup_cfg): If there are non-local labels in the function,
906 scan the basic blocks and split them at calls that can go to non-local
907 labels or add missing abnormal call edges. Write down the CFG in the
909 (pass_fixup_cfg): Remove TODO_dump_func flag.
910 * unwind-sjlj.c: Poison setjmp.
911 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
912 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
913 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
914 (DONT_USE_BUILTIN_SETJMP): Document it.
916 2006-09-28 Geoffrey Keating <geoffk@apple.com>
919 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
920 to 1 when __ppc64__ is defined.
921 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
923 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
925 2006-09-28 Steve Ellcey <sje@cup.hp.com>
927 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
928 * config/ia64/unwind-hpux.c: Delete.
930 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
932 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
933 on the element before gimplifying it, instead of punting if it is of
936 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
938 * doc/loop.texi: New file.
939 * doc/gccint.texi: Reference loop.texi.
940 * Makefile.in (loop.texi): Add.
942 2006-09-27 Geoffrey Keating <geoffk@apple.com>
944 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
946 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
947 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
949 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
951 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
953 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
955 * doc/install.texi: Document required versions of GMP and MPFR.
957 2006-09-27 Paul Brook <paul@codesourcery.com>
960 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
962 2006-09-27 Richard Sandiford <richard@codesourcery.com>
964 * reload1.c (alter_reg): Require the alignment of the stack slot to
965 be at least reg_max_ref_width bytes.
966 (scan_paradoxical_subregs): Record the largest width in
969 2006-09-26 Jakub Jelinek <jakub@redhat.com>
973 * tree-nested.c (struct nesting_info): Added static_chain_added.
974 (convert_call_expr): Set static_chain_added when adding static
975 chain. Handle OMP_PARALLEL and OMP_SECTION.
977 2006-09-25 Matthias Klose <doko@debian.org>
979 * doc/invoke.texi: Add missing full stop.
981 2006-09-25 Richard Henderson <rth@redhat.com>
983 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
984 before cgraph_function_flags_ready.
986 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
987 Adam Nemet <anemet@caviumnetworks.com>
989 * tree-ssa-loop-ivopts.c (aff_combination_convert,
990 determine_common_wider_type): New functions.
991 (get_computation_aff): Use them to simplify arithmetic between
992 UBASE and CBASE if they are shortened from the same type.
994 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
997 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
998 -2147483647 - 1 instead of 0x80000000.
1000 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
1002 * flags.h (HONOR_NANS): Fix typo in comment.
1004 2006-09-23 Uros Bizjak <uros@kss-loka.si>
1006 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
1008 2006-09-23 Jakub Jelinek <jakub@redhat.com>
1012 * tree.c (merge_attributes, attribute_list_contained): If both
1013 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
1015 * c-typeck.c (comptypes_internal): Don't consider aggregates
1016 in different TUs as compatible if there one set of attributes is
1017 not a subset of the other type's attributes.
1018 (composite_type): Try harder not to create a new aggregate type.
1020 2006-09-22 Geoffrey Keating <geoffk@apple.com>
1022 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
1023 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
1024 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
1025 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
1026 than replicating condition above.
1027 * config.host (i[34567]86-*-*): Always use driver-i386.o.
1029 * config/darwin.h (LINK_SYSROOT_SPEC): New.
1030 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
1031 the linker by default.
1033 2006-09-22 Mike Stump <mrs@apple.com>
1035 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
1038 2006-09-22 Richard Guenther <rguenther@suse.de>
1041 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
1042 sort of stack variables stable.
1044 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
1047 * explow.c (force_reg): Set REG_POINTER flag according to
1050 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
1052 PR tree-optimization/28888
1053 * tree-if-conv.c (combine_blocks): Rewritten.
1054 * tree-cfg.c (tree_verify_flow_info): Check that edges with
1055 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
1057 2006-09-22 Jakub Jelinek <jakub@redhat.com>
1059 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
1062 2006-09-21 Richard Sandiford <richard@codesourcery.com>
1064 * varasm.c (copy_constant): Fix reversed gcc_assert check.
1066 2006-09-21 Janis Johnson <janis187@us.ibm.com>
1068 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
1070 2006-09-21 Roger Sayle <roger@eyesopen.com>
1073 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
1074 dw_fde_current_label, to be the start of the function, i.e. the same
1075 value as dw_fde_begin.
1077 2006-09-20 Richard Sandiford <richard@codesourcery.com>
1079 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
1080 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
1081 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
1082 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
1083 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
1084 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
1085 (abs<mode>2, neg<mode>2): Likewise.
1086 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
1087 (*mips_abs_ps): New define_insn.
1089 2006-09-20 Josh Conner <jconner@apple.com>
1092 * calls.c (expand_call): Allow reuse of structure return stack
1095 2006-09-20 Paul Brook <paul@codesourcery.com>
1097 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1100 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1102 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1103 clean up terminology.
1105 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1108 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1109 with tablejumps in them.
1111 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1114 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1115 wrap it into TARGET_EXPR.
1117 2006-09-20 Eric Christopher <echristo@apple.com>
1119 * config/i386/i386.c (x86_fisttp): Remove.
1120 * config/i386/i386.h (x86_fisttp): Ditto.
1121 (TARGET_FISTTP): Ditto.
1123 2006-09-19 Eric Christopher <echristo@apple.com>
1125 * doc/tm.texi (OBJC_JBLEN): Describe.
1126 * config/i386/darwin.h (OBJC_JBLEN): Define.
1127 * config/rs6000/darwin.h: Ditto.
1129 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1131 PR rtl-optimization/21299
1132 * reload1.c (reload): Purge invalid ASMs in the final pass.
1134 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1137 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1138 pointers as legitimate constants.
1140 2006-09-19 Paul Brook <paul@codesourcery.com>
1143 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1145 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1147 PR tree-optimization/28887
1148 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1149 component parts from the reference.
1150 (gather_memory_references_ref): Record the reference without the
1151 nonaddressable component parts.
1153 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1156 * c-opts.c (c_common_handle_option): Ignore the -std options
1157 if the input language is assembly.
1159 2006-09-17 Ira Rosen <irar@il.ibm.com>
1162 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1164 (ptr_ptr_may_alias_p): Likewise.
1165 (record_record_differ_p): New function.
1166 (base_object_differ_p): Call record_record_differ_p.
1168 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1171 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1172 away for the expr argument.
1174 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1177 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1178 before using it for dumping after vectorizing loops.
1180 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1181 Jack Howarth <howarth@bromo.med.uc.edu>
1184 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1185 skip on error_mark_node.
1186 (rs6000_darwin64_record_arg_recurse): Likewise.
1188 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1190 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1191 * doc/rtl.texi: Remove related documentation.
1193 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1195 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1198 2006-09-15 Jim Wilson <wilson@specifix.com>
1200 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1201 Handle symbol offsets same as they are handled in ia64_expand_move
1204 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1206 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1207 Add forgotten parameter to the fprintf call.
1209 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1211 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1213 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1215 * doc/contrib.texi: Add my entry.
1217 2006-09-15 Nick Clifton <nickc@redhat.com>
1219 * doc/md.texi (Processor pipeline description): Fix typo in
1220 example of how to use the absence_set directive and reword the
1221 description to make it slightly easier to read.
1223 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1225 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1226 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1227 expanding the number of iterations.
1228 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1230 * cfgrtl.c (emit_insn_at_entry): New function.
1231 * rtl.h (emit_insn_at_entry): Declare it.
1232 * integrate.c (emit_initial_value_sets): Use it.
1234 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1236 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1238 (struct loop_work and related VEC declarations): Delete.
1239 (bfin_dump_loops): Print out new member bad.
1240 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1241 (bfin_scan_loop): Don't recurse.
1242 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1243 loops. No longer need to update outer loops if the current one is
1244 found bad. Move some validitiy checks to bfin_discover_loop.
1245 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1246 but changed not to check for nesting. Also changed to use the new bad
1248 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1249 time. Use bitmap based test to discover loop nesting.
1251 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1253 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1256 2006-09-14 Richard Guenther <rguenther@suse.de>
1257 Kazu Hirata <kazu@codesourcery.com>
1259 PR middle-end/28884.
1260 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1261 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1262 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1263 with TARGET_FUNCTION_VALUE.
1265 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1268 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1270 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1272 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1275 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1278 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1281 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1283 * basic_block.h (bb_has_eh_pred): Fix comment.
1285 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1287 * flow.c (calculate_global_regs_live): Invalidate eh registers
1288 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1289 (propagate_block): Handle eh registers as if they were set at basic
1291 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1293 * global.c (global_conflicts): Make eh registers to conflict with
1294 pseudos live at basic block begin.
1295 * basic_block.h (bb_has_eh_pred): New function.
1297 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1299 PR rtl-optimization/28982
1300 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1301 index of a PRE_MODIFY or POST_MODIFY address.
1302 * reload1.c (inc_for_reload): Use find_replacement on the original
1303 base and index registers.
1305 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1307 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1308 for -Os. Update __m128 alignment requirement.
1310 2006-09-13 Jan Hubicka <jh@suse.cz>
1312 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1314 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1316 PR rtl-optimization/28243
1317 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1318 the insn to which the note was originally attached.
1320 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1321 Roger Sayle <roger@eyesopen.com>
1323 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1324 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1325 on platforms that don't use dwarf for debug info.
1327 2006-09-12 Jason Merrill <jason@redhat.com>
1330 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1331 hard_frame_pointer_rtx after using it to update the frame pointer.
1333 2006-09-12 Roger Sayle <roger@eyesopen.com>
1335 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1336 (TARGET_ASM_CLOSE_PAREN): Likewise.
1337 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1338 (TARGET_ASM_CLOSE_PAREN): Likewise.
1340 2006-09-12 Roger Sayle <roger@eyesopen.com>
1343 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1344 frame information for frames larger than 512 Kbytes on Tru64 when
1345 using the native assembler.
1347 2006-09-12 Roger Sayle <roger@eyesopen.com>
1351 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1352 and symbols. Instead use the implementation from cse.c's hash_rtx.
1354 2006-09-12 Jan Hubicka <jh@suse.cz>
1356 PR rtl-optimization/28071
1357 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1358 (vect_transform_loop): Likewise.
1359 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1360 (new_loop_vec_info): Likewise.
1361 (destroy_loop_vec_info): Likewise.
1362 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1363 (create_stmt_ann): Likewise.
1364 (create_tree_ann): Rename to ...
1365 (create_tree_common_ann): ... this one; allocate only the common part
1367 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1368 (get_value_handle): Likewise.
1369 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1370 get_tree_common_ann.
1371 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1372 (vinfo_for_stmt): Use stmt annotations.
1373 * tree-flow.h (tree_ann_common_t): New type.
1374 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1375 (tree_ann, get_tree_ann, create_tree_ann): New.
1376 * tree-flow-inline.h (get_function_ann): Do more type checking.
1377 (stmt_ann): Likewise.
1378 (tree_ann): Rename to ...
1379 (tree_common_ann): ... this one; return ony common_ann
1380 (get_tree_ann): Rename to ...
1381 (tree_common_ann): This one; return only common_ann.
1382 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1385 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1387 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1388 with_cpu by default.
1390 * dwarf2out.c (dwarf_file_data): New.
1391 (enum dw_val_class): Add dw_val_class_file.
1392 (struct dw_val_struct): Add val_file.
1393 (file_table): Change to a hash table.
1394 (file_table_emitted): Delete.
1395 (file_table_last_lookup_index): Delete.
1396 (emitcount): Delete.
1397 (last_emitted_file): New.
1398 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1399 (init_file_table): Delete.
1400 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1401 (AT_addr): Add comment.
1405 (print_die): Handle dw_val_class_file.
1406 (print_dwarf_line_table): Update for new file table structure.
1407 (attr_checksum): Do checksum a filename.
1408 (same_dw_val_p, same_attr_p): Do compare a filename.
1409 (size_of_die): Handle dw_val_class_file.
1410 (value_format): Likewise.
1411 (output_die): Likewise. Also, call maybe_emit_file here.
1412 (struct file_info): Constify filenames. Make file_idx a pointer
1413 to a struct dwarf_file_data.
1414 (struct dir_info): Constify directory names. Remove 'used' field.
1415 (struct file_name_acquire_data): New.
1416 (file_name_acquire): New.
1417 (output_file_names): Modify to handle new file data structures.
1418 (add_src_coords_attributes): Use add_AT_file.
1419 (add_call_src_coords_attributes): Likewise.
1420 (dwarf2out_imported_module_or_decl): Likewise.
1421 (gen_subprogram_die): Modify for new file data structures.
1422 (gen_variable_die): Likewise.
1423 (file_table_eq): New.
1424 (file_table_hash): New.
1425 (file_table_last_lookup): New.
1426 (lookup_filename): Rewrite to handle new file data structures.
1427 (maybe_emit_file): Rewrite to handle new file data structures.
1428 (dwarf2out_source_line): Always call lookup_filename and
1430 (dwarf2out_init): Create file_table here.
1431 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1432 (file_table_relative_p): New.
1433 (dwarf2out_finish): Change detection of relative filenames
1434 to work with new file data structures. Move output_line_info call
1435 after debug_info output.
1437 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1442 * config/i386/i386.c (override_options): Always default to 16
1443 byte stack boundary.
1445 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1448 * var-tracking.c (dump_dataflow_set): Start dumping at
1450 (clobber_variable_part): Kill only the variable part in
1451 registers holding it, leaving other variables alone.
1453 2006-09-11 Josh Triplett <josh@freedesktop.org>
1455 * doc/extend.texi (Other Builtins): Actually use the macro
1456 argument in the documentation example for
1457 __builtin_types_compatible_p.
1459 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1461 PR rtl-optimization/28726
1462 * sched-deps.c (sched_analyze_reg): New function extracted from...
1463 (sched_analyze_1): ...here. Call it to analyze references to
1464 registers. Treat again writes to a stack register as writing to the
1466 (sched_analyze_2): ...and here. Call it to analyze references to
1467 registers. Treat again reads of a stack register as reading the
1470 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1471 David Edelsohn <edelsohn@gnu.org>
1474 * config/rs6000/spe.md (frob_df_di): Remove %H.
1475 (frob_di_df): Remove %H. Change evmergelo to mr.
1476 (frob_di_df_2): Remove %H. Change evldd to two loads.
1478 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1480 * doc/cpp.texi: Fix names of charset options.
1482 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1485 * config/i386/i386.c (override_options): Use 128-bit
1486 stack boundary always for 64bits.
1488 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1490 PR rtl-optimization/28636
1491 * combine.c (force_to_mode): Test for side-effects before
1492 substituting by zero.
1493 (simplify_shift_const): Likewise for zero or other constants.
1495 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1498 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1501 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1504 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1505 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1506 returned by mode_for_size, rather than the mode of src itself,
1507 to choose between 32-bit and 64-bit patterns.
1508 (mips_mem_fits_mode_p): New function.
1509 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1510 that the size of the source matches the size of the destination.
1511 (mov_<store>l, mov_<store>r): Likewise.
1513 2006-09-10 Eric Christopher <echristo@apple.com>
1515 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1518 2006-09-09 Eric Christopher <echristo@apple.com>
1521 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1524 2006-09-09 Roger Sayle <roger@eyesopen.com>
1525 Nicolas Setton <setton@adacore.com>
1527 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1529 2006-09-10 Andreas Schwab <schwab@suse.de>
1531 * config/m68k/m68k.md (bungt_rev): New pattern.
1533 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1534 Dale Johannesen <dalej@apple.com>
1537 * regclass.c (struct reg_pref): Update documentation.
1538 (regclass): Set prefclass to NO_REGS if memory is the best option.
1539 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1541 2006-09-08 Eric Christopher <echristo@apple.com>
1543 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1544 * config/t-slibgcc-darwin: Support x86_64 multilib.
1545 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1546 Return 1 for x86_64-darwin.
1547 * config/i386/t-darwin: Add m64 multilib.
1548 (LIB2_SIDITI_CONV_FUNCS): Use.
1549 (LIB2FUNCS_EXTRA): Ditto.
1550 * config/i386/darwin.h: Support x86_64.
1551 * config/i386/i386.c (override_options): Turn on flag_pic
1552 for x86_64-darwin. Disable flag_omit_pointer.
1553 (get_pc_thunk_name): Assert !TARGET_64BIT.
1554 (legitimate_address_p): Disable machopic addressing for
1556 (legitimize_pic_address): Ditto.
1557 (ix86_expand_move): Ditto.
1558 (ix86_expand_call): Ditto.
1559 (machopic_output_stub): Ditto.
1560 * config/darwin.c (machopic_select_section): Support literal16.
1561 (machopic_select_rtx_section): Ditto.
1562 * config/darwin-sections.def: Ditto.
1563 * config/darwin-64.c: New.
1565 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1568 * c-tree.h (struct c_arg_info): Add pending_sizes.
1569 * c-parser.c (c_parser_parms_declarator,
1570 c_parser_parms_list_declarator): Initialize pending_sizes.
1571 * c-decl.c (get_parm_info): Initialize pending_sizes.
1572 (get_parm_info): Set pending_sizes.
1573 (grokdeclarator): Call put_pending_sizes for parameters for
1574 function definition only.
1576 2006-09-07 Jason Merrill <jason@redhat.com>
1579 * varasm.c (output_constant): Only strip actual no-op conversions.
1582 * config/i386/i386.c (override_options): Use 128-bit
1583 stack boundary if -msse.
1585 2006-09-07 Eric Christopher <echristo@apple.com>
1587 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1589 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1592 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1594 * dwarf2out.c: Remove strange characters from comment above
1595 dwarf2out_frame_debug_expr.
1597 2006-09-07 Eric Christopher <echristo@apple.com>
1599 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1600 * config/darwin.h: ... to here.
1602 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1604 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1606 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1607 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1609 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1610 TARGET_PARTIAL_FLAG_REG_STALL.
1611 (*ashldi3_cconly_rex64): Likewise.
1612 (*ashlsi3_cmp): Likewise.
1613 (*ashlsi3_cconly): Likewise.
1614 (*ashlsi3_cmp_zext): Likewise.
1615 (*ashlhi3_cmp): Likewise.
1616 (*ashlhi3_cconly): Likewise.
1617 (*ashlqi3_cmp): Likewise.
1618 (*ashlqi3_cconly): Likewise.
1619 (*ashrdi3_cmp_rex64): Likewise.
1620 (*ashrdi3_cconly_rex64): Likewise.
1621 (*ashrsi3_cmp): Likewise.
1622 (*ashrsi3_cconly): Likewise.
1623 (*ashrsi3_cmp_zext): Likewise.
1624 (*ashrhi3_cmp): Likewise.
1625 (*ashrhi3_cconly): Likewise.
1626 (*ashrqi3_cmp): Likewise.
1627 (*ashrqi3_cconly): Likewise.
1628 (*lshrdi3_cmp_rex64): Likewise.
1629 (*lshrdi3_cconly_rex64): Likewise.
1630 (*lshrsi3_cmp): Likewise.
1631 (*lshrsi3_cconly): Likewise.
1632 (*lshrsi3_cmp_zext): Likewise.
1633 (*lshrhi3_cmp): Likewise.
1634 (*lshrhi3_cconly): Likewise.
1635 (*lshrqi2_cmp): Likewise.
1636 (*lshrqi2_cconly): Likewise.
1638 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1641 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1642 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1643 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1644 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1645 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1646 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1647 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1648 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1649 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1650 implement only CC setting effects of shift instructions.
1652 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1654 * doc/contrib.texi: Add myself.
1656 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1659 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1660 was set by the user.
1662 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1665 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1666 (divsi_inv_m1): Use them.
1667 (UNSPEC_DIV_INV_TABLE): New constant.
1669 2006-09-06 James E Wilson <wilson@specifix.com>
1672 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1673 then call count_or_remove_death_notes.
1675 2006-09-06 Jason Merrill <jason@redhat.com>
1678 * tree-inline.c (copy_result_decl_to_var): New fn.
1679 (declare_return_variable): Use it. Call declare_inline_vars here.
1680 (expand_call_inline): Not here.
1682 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1684 * doc/contrib.texi: Update my entry.
1686 2006-09-06 Nick Clifton <nickc@redhat.com>
1688 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1690 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1693 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1694 (canonicalize_induction_variables): Likewise.
1695 (tree_unroll_loops_completely): Likewise.
1696 (tree_ssa_prefetch_arrays): Likewise.
1697 (remove_empty_loops): Likewise.
1698 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1699 TODO_cleanup_cfg instead of directly calling
1700 cleanup_tree_cfg_loop.
1701 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1703 (tree_unroll_loops_completely): Likewise.
1704 (remove_empty_loops): Likewise.
1705 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1706 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1707 of tree_ssa_unswitch_loops.
1708 (tree_ssa_loop_ivcanon): Use the return value of
1709 canonicalize_induction_variables.
1710 (tree_ssa_empty_loop): Use the return value of
1712 (tree_complete_unroll): Use the return value of
1713 tree_unroll_loops_completely.
1714 (tree_ssa_loop_prefetch): Use the return value of
1715 tree_ssa_prefetch_arrays.
1716 * passes.c (execute_todo): Before Cleanup CFG, set
1717 updating_used_alone and after cleanup CFG, call
1718 recalculate_used_alone.
1720 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1723 * tree-vect-transform.c (vectorizable_condition): Move the check
1724 for the type after the check for simple condition.
1726 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1727 Kaz Kojima <kkojima@gcc.gnu.org>
1730 * mode-switching.c (optimize_mode_switching): Make the destination
1731 block of an abnormal edge have no anticipatable mode. Don't
1732 insert mode switching code at the end of the source block of
1735 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1737 PR rtl-optimization/26847
1738 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1739 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1740 (simplify_plus_minus): Count n_constants while filling ops. Replace
1741 qsort with insertion sort. Before going through the array to simplify
1742 pairs, sort it. Delay early exit until after the first sort, exiting
1743 only if no swaps occurred. Simplify pairs in reversed order, without
1744 special-casing the first iteration. Pack ops after simplifying pairs.
1746 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1748 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1749 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1750 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1751 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1753 2006-09-05 Richard Guenther <rguenther@suse.de>
1755 PR tree-optimization/28900
1756 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1757 compound conditional before creating COND_EXPR condition.
1759 2006-09-05 Richard Guenther <rguenther@suse.de>
1761 PR tree-optimization/28905
1762 * tree-vrp.c (fix_equivalence_set): Manually implement
1763 !value_ranges_intersect_p to also handle symbolic ranges.
1765 2006-09-05 Richard Guenther <rguenther@suse.de>
1768 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1771 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1773 PR rtl-optimization/27616
1774 * cse.c (table_size): New static variable.
1775 (new_basic_block): Initialize it to 0.
1776 (remove_from_table): Decrement it.
1777 (insert): Increment it.
1778 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1779 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1780 fold_rtx_mem_1 if under the cap.
1781 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1782 the lookup of the equivalent expression and test for equality of the
1783 first operand of the equivalent expression before in turn looking up
1784 an equivalent constant for the second operand.
1786 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1789 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1790 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1791 pointer, instead of assuming it is possible to derive the
1792 correct args size from a call insn.
1794 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1797 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1798 (fold_builtin_mempcpy): Rename to...
1799 (fold_builtin_memory_op): ... this. Optimize one element copy
1801 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1803 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1804 (expand_builtin_memcpy, expand_builtin_mempcpy,
1805 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1806 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1807 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1808 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1810 2006-09-01 DJ Delorie <dj@redhat.com>
1812 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1813 (stzx_16): Likewise.
1814 ("stzx_24_<mode>"): Likewise.
1815 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1816 ("cmp<mode>_op"): New.
1817 (cmp<mode>): Change to expander; just save operands.
1819 (b<code>): Change to expander, emit compare here.
1820 (s<code>_op): Change to use split and expander.
1821 (s<code>_24_op): Likewise.
1822 (s<code>_<mode>): New.
1823 (s<code>_<mode>_24): New.
1824 (movqicc_<code>_<mode): New.
1825 (movhicc_<code>_<mode>): New.
1828 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1829 (m32c_pend_compare): New.
1830 (m32c_unpend_compare): New.
1831 (m32c_expand_scc): New.
1832 (m32c_expand_movcc): Emit the compare also.
1833 * config/m32c/predicates.md (mra_nopp_operand): New.
1835 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1836 Richard Guenther <rguenther@suse.de>
1837 Adam Nemet <anemet@caviumnetworks.com>
1840 * builtins.c (get_pointer_alignment): Handle more forms
1841 of base addresses that can be used to derive more precise
1842 information about alignment.
1844 2006-09-01 Jason Merrill <jason@redhat.com>
1847 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1850 * gimplify.c (voidify_wrapper_expr): Handle null type.
1852 2006-09-01 Josh Conner <jconner@apple.com>
1855 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1856 (execute_return_slot_opt): Use it.
1858 2006-08-31 Josh Conner <jconner@apple.com>
1861 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1862 returning aggregates.
1864 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1866 PR tree-optimization/28839
1867 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1868 blocks in that phi arguments appear.
1870 2006-08-31 Roger Sayle <roger@eyesopen.com>
1873 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1874 NULL, otherwise use an advance_loc4 to adjust relative to the
1876 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1877 (dwarf2out_switch_text_section): Reset the current label to avoid
1878 using advance_loc4 over section boundaries.
1880 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1883 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1884 r12 + SYMBOLIC_CONST.
1886 2006-08-30 Richard Guenther <rguenther@suse.de>
1888 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1890 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1892 PR rtl-optimization/27735
1893 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1894 Add new argument to keep track of whether an irreducible region
1895 was affected. All callers changed.
1896 (fix_irreducible_loops): Removed.
1897 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1898 flags were invalidated.
1900 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1902 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1903 instead of SF operands.
1904 (*fop_df_comm_sse): Likewise.
1905 (*fop_df_comm_i387): Likewise.
1906 (*fop_df_1_mixed): Likewise.
1907 (*fop_df_1_sse): Likewise.
1909 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1910 J"orn Rennecke <joern.rennecke@st.com>
1912 PR tree-optimization/17506
1913 * tree-ssa.c (warn_uninit): If warning about a location outside of
1914 the current function, note where the variable was declared.
1916 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1918 PR tree-optimization/28411
1919 * double-int.c (double_int_div): Use double_int_divmod.
1920 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1921 double_int_mod, double_int_smod, double_int_umod): New functions.
1922 * double-int.h (double_int_divmod, double_int_sdivmod,
1923 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1925 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1927 (get_computation_aff, get_computation_cost_at): Handle double_int
1928 return type of constant_multiple_of.
1930 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1933 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1934 an implicit conversion.
1936 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1938 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1940 2006-08-27 Roger Sayle <roger@eyesopen.com>
1942 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1945 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1947 * config/i386/crtfastmath.c: Fix a comment typo.
1949 2006-08-26 Roger Sayle <roger@eyesopen.com>
1951 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1952 temporary visit flags on CASE_LABEL_EXPRs.
1953 * c-common.c (match_case_to_enum): Add function comment. Avoid
1954 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1955 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1956 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1957 a constant, only warn if that constant value isn't handled.
1959 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1962 * input.h (restore_input_file_stack): Declare.
1963 (INPUT_FILE_STACK_BITS): Define.
1964 * toplev.c (fs_p, input_file_stack_history,
1965 input_file_stack_restored, restore_input_file_stack): New.
1966 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1967 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1968 (pop_srcloc): Don't free old state of stack.
1970 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1973 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1974 (PowerPC Type Attributes): New.
1976 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1978 * config/xtensa/xtensa.c (function_arg_boundary): New.
1979 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1981 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1982 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1984 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1987 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1990 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1992 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1993 (verify_local_live_at_start): Likewise.
1995 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1998 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1999 omp_add_variable): Treat sizes as variable whenever not
2002 2006-08-26 Richard Guenther <rguenther@suse.de>
2005 * fold-const.c (fold_binary): Fold temporary to correct
2006 type before constructing new comparison.
2008 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
2011 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
2012 variable again if DECL_SEEN_IN_BIND_EXPR_P.
2014 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
2017 * c-decl.c (start_function): Don't try to process prototype
2018 information from old declaration that isn't a function.
2020 2006-08-25 Jan Hubicka <jh@suse.cz>
2023 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
2025 2006-08-25 Alan Modra <amodra@bigpond.net.au>
2028 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
2031 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
2033 PR tree-optimization/16876
2034 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
2035 exit if PARM doesn't match VALUE.
2037 2006-08-25 Bob Wilson <bob.wilson@acm.org>
2039 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
2040 literal_prefix directive.
2041 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
2042 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2043 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
2045 2006-08-25 David Edelsohn <edelsohn@gnu.org>
2048 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
2049 predicate to general_operand. Add 0->y and I->r alternatives.
2051 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
2053 * doc/tm.texi: Fix a typo.
2054 * predict.c: Fix comment typos.
2056 2006-08-25 Nick Clifton <nickc@redhat.com>
2058 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
2059 assertions of "cpu" and "machine".
2061 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
2064 * tree-ssa-operands.c (access_can_touch_variable): Don't say
2065 the access through a base which has an alias set of 0 cannot
2068 2006-08-24 Bill Wendling <wendling@apple.com>
2070 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
2072 2006-08-24 Jan Hubicka <jh@suse.cz>
2074 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
2076 2006-08-24 Jan Hubicka <jh@suse.cz>
2079 * cgraph.c: Fix comments.
2080 (cgraph_varpool_mark_needed_node): Mark only variables not already
2082 * cgraphunit.c: Update comments; include gt-cgraphunit.h
2083 (cgraph_varpool_assembled_nodes_queue): New static variable.
2084 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
2085 (cgraph_varpool_output_debug_info): New function.
2086 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
2087 * Makefile.in: Add gt-cgraphunit.h
2089 2006-08-24 Jan Hubicka <jh@suse.cz>
2091 * predict.c (probability_reliable_p): New predicate.
2092 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
2093 (predict_loops): Do not predict loop exit with less than 2%
2095 * basic-block.h (edge_probability_reliable_p,
2096 br_prob_note_reliable_p): Declare.
2097 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2098 prediction when static predictor is not reliable.
2099 * rs6000.c (output_cbranch): Likewise.
2101 2006-08-23 Stuart Hastings <stuart@apple.com>
2104 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2105 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2107 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2110 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2111 complex values, nor for generic vector values.
2113 2006-08-22 Richard Guenther <rguenther@suse.de>
2116 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2117 parameter. Convert arguments to arithmetic expression to the
2119 (analyze_scalar_evolution_1): Adjust caller.
2121 2006-08-22 Jan Hubicka <jh@suse.cz>
2123 Patch by Paolo Bonzini
2124 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2127 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2129 PR tree-optimization/28003
2130 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2131 before grouping aliases.
2133 2006-08-22 Roger Sayle <roger@eyesopen.com>
2135 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2136 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2138 2006-08-21 Jason Merrill <jason@redhat.com>
2141 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2142 wrapper. Loop to handle nested wrappers.
2143 (gimplify_bind_expr): Remove temp parameter.
2144 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2145 and STATEMENT_LIST on the rhs.
2146 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2147 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2148 (gimplify_target_expr): Remove special BIND_EXPR handling.
2150 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2152 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2155 2006-08-21 Olivier Hainque <hainque@adacore.com>
2157 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2158 Arrange for the temporary captures of components overlapping the lhs
2159 to happen before the lhs is possibly cleared.
2161 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2163 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2164 necessary places to pass the correct "number of registers" values
2167 2006-08-20 Jan Hubicka <jh@suse.cz>
2169 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2170 (create_name_tags): Instead of quadratic checking use hashtable.
2171 * bitmap.h: Include hashtab.h.
2172 (bitmap_hash): Declare.
2173 * bitmap.c (bitmap_hash): New function.
2175 2006-08-20 Jan Hubicka <jh@suse.cz>
2177 PR rtl-optimization/28071
2178 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2180 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2181 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2182 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2183 cgraph_decide_inlining_incrementally): Update use of
2184 cgraph_check_inline_limits.
2185 * cgraph.c (edge_hash, edge_eq): New function.
2186 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2187 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2188 cgraph_remove_node): Maintain call site hash.
2189 * cgraph.h (struct cgraph_node): Add call_site_hash.
2190 (cgraph_set_call_stmt): New function.
2192 2006-08-20 Jan Hubicka <jh@suse.cz>
2194 PR rtl-optimization/28071
2195 * reload1.c (reg_has_output_reload): Turn into regset.
2196 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2197 choose_reload_regs, emit_reload_insns): Update to new
2198 reg_has_output_reload.
2200 2006-08-20 Jan Hubicka <jh@suse.cz>
2203 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2204 function body sizes.
2205 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2207 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2210 * tree.c (handle_dll_attribute): Return early if not a
2211 var or function decl.
2213 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2216 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2217 alignment of SPE vector types.
2219 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2221 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2223 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2226 * cgraph.h (struct cgraph_node): Remove externally_visible
2228 * cgraphunit.c (process_function_and_variable_attributes): Set
2229 local.externally_visible rather than externally_visible.
2232 * c-common.c (handle_externally_visible_attribute): First look
2233 at TREE_CODE and only if it is function or var decl, check for
2234 non-public objects. Don't warn for DECL_EXTERNAL.
2235 * cgraphunit.c (process_function_and_variable_attributes): Warn
2236 if externally_visible attribute is used on non-public object.
2238 2006-08-17 Jan Hubicka <jh@suse.cz>
2240 PR tree-optimization/27865
2241 * reload1.c (forget_marked_reloads): New function.
2242 (forget_old_reloads_1): When data are passed, just mark the registers
2244 (reload_as_needed): Use the new mechanizm.
2246 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2249 * reload.h (reg_equiv_alt_mem_list): New declaration.
2250 * reload1.c (reg_equiv_alt_mem_list): New definition.
2251 (reload): Initialize it and release it.
2252 (delete_output_reload): Use it.
2253 * reload.c (push_reg_equiv_alt_mem): New function.
2254 (find_reloads_toplev): Call it.
2255 (find_reloads_address, find_reloads_address_1): Likewise.
2256 (find_reloads_subreg_address): Likewise.
2258 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2260 PR rtl-optimization/28489
2261 * sched-ebb.c (begin_schedule_ready): Create basic block
2263 (advance_target_bb): Skip empty blocks.
2264 * haifa-sched.c (bb_note): Make global.
2265 * sched-int.h (bb_note): Add prototype.
2267 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2269 PR tree-optimization/27865
2270 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2272 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2273 fold_used_pointer, pointer_used_p): New functions.
2274 (analyze_scalar_evolution_1): Use fold_used_pointer.
2275 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2276 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2279 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2282 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2283 or the INTEGER_CST. Fail on a CALL_EXPR.
2284 (fold_offsetof): Pass new argument to fold_offsetof_1.
2285 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2286 operand into an INDIRECT_REF.
2287 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2289 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2291 PR gcov/profile/26570
2292 * value-prof.c (static_values): Removed.
2293 (tree_find_values_to_profile): Do not set static_values.
2294 (find_values_to_profile): Do not free static_values.
2295 * profile.c (instrument_values): Do not free the values.
2296 (branch_prob): Free the values.
2298 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2300 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2302 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2305 * c-typeck.c (build_component_ref): Combine qualifiers of
2306 structure or union and field.
2308 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2310 PR rtl-optimization/28071
2311 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2312 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2313 * tree-into-ssa.c (struct dom_dfsnum): New.
2314 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2316 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2317 compute_global_livein.
2318 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2319 in phi nodes in the correct blocks.
2321 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2323 PR tree-optimization/28364
2324 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2326 (fold_affine_expr): New function.
2327 (may_eliminate_iv): Use fold_affine_expr.
2329 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2332 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2335 2006-08-16 Mike Stump <mrs@apple.com>
2337 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2338 * doc/cppopts.texi (-MD): Likewise.
2340 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2343 * c-common.c (handle_weak_attribute): Ignore and warn if
2344 not a FUNCTION_ or VAR_DECL.
2346 2006-07-15 Mike Stump <mrs@apple.com>
2349 * c-parser.c (c_parser_typeof_specifier): Don't use
2350 c_finish_expr_stmt, open code desired semantics instead.
2352 2006-08-15 Nick Clifton <nickc@redhat.com>
2354 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2355 fragment to tmake_file only if threads are enabled.
2356 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2357 * config/i386/t-gthr-win32: New file. ... here.
2359 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2362 * c-parser.c (c_parser_compound_statement_nostart): Reset
2363 parser->error after each statement.
2365 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2368 * omp-low.c (lower_omp_parallel): Convert t to
2369 receiver_decl's type.
2370 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2371 source before comparison.
2374 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2375 to itype in assignment to oldival2.
2377 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2381 * c-typeck.c (build_compound_expr): If the second expression
2382 is an error mark, then just return an error mark instead of
2383 creating a COMPOUND_EXPR.
2385 2006-07-14 Mike Stump <mrs@apple.com>
2387 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2389 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2391 * c-decl.c, var-tracking.c: Fix comment typos.
2393 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2395 PR rtl-optimization/28634
2396 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2397 for floating-point modes unless flag_unsafe_math_optimizations.
2399 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2400 Andrew Pinski <pinskia@physics.uc.edu>
2403 * tree.c (build_array_type): Unify array types with
2404 unspecified index_type.
2405 * c-decl.c (grokdeclarator): Make sure we do not modify a
2406 unified incomplete array type.
2407 * c-typeck.c (store_init_value): Create distinct type before
2408 filling in the index type in an initializer from a compound
2411 * c-decl.c (grokdeclarator): Remove code where we copy the
2414 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2416 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2417 into account for TODO_dump_cgraph.
2418 (TODO_update_ssa_no_phi): Likewise.
2419 (TODO_update_ssa_full_phi): Likewise.
2420 (TODO_update_ssa_only_virtuals): Likewise.
2421 (TODO_remove_unused_locals): Likewise.
2422 (TODO_set_props): Likewise.
2423 (TODO_update_stmt_usage): Likewise.
2425 2006-08-13 Dirk Mueller <dmueller@suse.de>
2427 * c-common.c (strict_aliasing_warning): Fix formatting.
2429 2006-08-13 Matthias Klose <doko@debian.org>
2431 * doc/invoke.texi: Fix spelling errors.
2433 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2435 PR rtl-optimization/23454
2436 * reorg.c (relax_delay_slots): Update comment.
2438 2006-08-11 Richard Guenther <rguenther@suse.de>
2441 * simplify-rtx.c (simplify_const_relational_operation):
2442 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2445 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2447 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2448 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2450 2006-08-10 Paul Brook <paul@codesourcery.com>
2452 * final.c (final_scan_insn): Clear current_insn_predicate before
2453 outputting inline asm.
2455 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2457 PR tree-optimization/26197
2458 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2459 get_ref_base_and_extent and overlap_subvar to add only relevant
2460 subvars as may-aliases.
2461 (add_may_alias_for_new_tag): New function, factored out of
2463 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2464 with additional argument.
2465 * tree-flow.h (new_type_alias): Takes additional argument.
2467 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2469 * gcov.c (no_data_file): New flag.
2470 (read_count_file): Set it if data file not present. Assume counts
2472 (output_lines): Don't name the data file, if there wasn't one.
2474 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2476 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2477 (rs6000_generate_compare): Tweak comments.
2478 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2480 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2482 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2483 (var_debug_decl): New function.
2484 (var_reg_set): Follow debug decl link. Add location even if
2485 reg is already known to hold some other variable.
2486 (var_mem_set): Follow debug decl link.
2487 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2488 decl link. Delete other known locations of the variable part
2490 (var_reg_delete, var_mem_delete): Delete other known locations
2491 of the variable part if requested.
2492 (same_variable_part_p): New function.
2493 (add_stores): Select MO_COPY when appropriate.
2494 (vt_initialize): Handle it.
2495 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2496 known locations for MO_SET and MO_CLOBBER.
2497 (find_variable_location_part): New function.
2498 (set_variable_part, delete_variable_part): Use it.
2499 (clobber_variable_part): New function.
2500 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2503 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2505 PR tree-optimization/26969
2506 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2507 with an empty list of PHIs.
2509 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2513 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2516 2006-08-06 Andreas Schwab <schwab@suse.de>
2518 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2519 string. Whitespace and comment fixup.
2521 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2524 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2528 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2531 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2533 2006-08-04 Jan Hubicka <jh@suse.cz>
2537 * reload.c (push_reload): Patch out the mismatching instruction;
2539 (find_reload): Bail out if the instruction was patched out.
2541 2006-08-04 Jan Hubicka <jh@suse.cz>
2543 PR tree-optimization/24888
2544 * tree-inline.c (expand_call_inline): Do not re-record variables.
2545 (declare_inline_vars): Add variable to unexpanded_var_list.
2547 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2548 Roger Sayle <roger@eyesopen.com>
2550 PR rtl-optimization/26244
2551 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2552 inner_const are negative or greater than or equal to the bitsize of
2553 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2554 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2555 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2556 CONST0_RTX (mode) when the new shift count is greater than or equal to
2557 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2560 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2562 * tree-cfg.c: Fix a comment typo.
2564 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2567 * varasm.c (output_constant): Give the front end another chance to
2568 expand constants, after stripping NOPs.
2570 2006-08-03 Jan Hubicka <jh@suse.cz>
2572 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2575 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2577 PR tree-optimization/27770
2578 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2579 declaration removed (moved to tree-flow.h).
2580 (vect_can_force_dr_alignment_p): Likewise.
2581 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2582 (moved from tree-vectorizer.h).
2583 (vect_can_force_dr_alignment_p): Likewise.
2584 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2585 from outside the vectorizer - in particular from cgraph stage.
2586 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2587 the alignment of global arrays when -fsection-anchors is enabled.
2588 * cgraphunit.c (cgraph_increase_alignment): New function.
2589 (cgraph_optimize): Call cgraph_increase_alignment.
2591 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2594 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2595 not reload a SPE symbol_ref into a lo_sum address.
2597 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2600 * dwarf2out.c (prune_unused_types_prune): Move call to
2601 prune_unused_types_update_strings to cover the parent DIE also.
2603 2006-08-02 Jan Hubicka <jh@suse.cz>
2605 PR gcov/profile/28480
2606 * tree-cfg.c (change_bb_for_stmt): New function.
2607 (tree_merge_blocks, tree_split_blocks): Use it.
2609 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2615 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2616 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2617 (cgraph_optimize): Likewise.
2619 2006-08-01 Stuart Hastings <stuart@apple.com>
2621 * rtl.h (UINTVAL) New.
2622 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2623 * testsuite/gcc.dg/20060801-1.c: New.
2625 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2628 * c-typeck.c (build_external_type): Mark used enum types.
2629 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2631 (gen_subprogram_die): Whitespace fix.
2633 2006-08-01 Jan Hubicka <jh@suse.cz>
2635 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2636 bitmap when not needed.
2637 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2640 2006-08-01 Dirk Mueller <dmueller@suse.de>
2642 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2644 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2646 * Makefile.in: Revert part of previous patch:
2647 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2650 2006-07-30 Eric Christopher <echristo@apple.com>
2653 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2654 (PowerPC Variable Attributes): New section.
2656 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2658 PR target/28126 (partial fix)
2659 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2661 2006-07-28 Jan Hubicka <jh@suse.cz>
2663 PR rtl-optimization/28071
2664 * cfgrtl.c (rtl_delete_block): Free regsets.
2665 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2667 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2669 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2670 and variables used in dependencies.
2672 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2674 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2675 %fs for -mcmodel=kernel.
2676 (stack_tls_protect_test_di): Likewise.
2678 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2680 * Makefile.in: Use mkinstalldirs.
2682 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2685 * opts-common.c (prune_options): Skip joined switches.
2687 2006-07-27 Jan Hubicka <jh@suse.cz>
2689 PR rtl-optimization/28071
2690 * cselib.c (cselib_process_insn): Don't remove useless values too
2691 often for very large hashtables.
2693 2006-07-27 Jan Hubicka <jh@suse.cz>
2695 PR rtl-optimization/28071
2696 * global.c (greg_obstack): New obstack.
2697 (allocate_bb_info): Use it.
2698 (free_bb_info): Likewise.
2699 (modify_reg_pav): Likewise.
2701 2006-07-27 Roger Sayle <roger@eyesopen.com>
2703 * builtins.c (fold_fixed_mathfn): When long and long long are the
2704 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2705 functions to their lceil*, lfloor*, lround* and lrint* forms.
2707 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2710 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2712 (rev_branch_insn): Likewise.
2714 2006-07-27 Jan Hubicka <jh@suse.cz>
2716 PR rtl-optimization/28071
2717 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2718 (reg_set_in_bb, max_reg_computed): New static variables.
2719 (regmove_optimize): Free the new array.
2720 (fixup_match_1): Update call of reg_is_remote_constant_p.
2722 2006-07-26 Jan Hubicka <jh@suse.cz>
2724 PR tree-optimization/27882
2725 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2727 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2729 (cgraph_analyze_compilation_unit): Likewise.
2730 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2731 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2732 (cgraph_early_inlinine): Make order garbage collected.
2733 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2735 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2737 * dbxout.c (output_types_sort): Add a comment.
2738 (output_used_types): Free the VEC.
2740 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2742 * function.c (reorder_fix_fragments): Delete.
2743 (reorder_blocks): Don't call it.
2744 (reorder_blocks_1): Put all subblocks under the origin block.
2746 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2748 PR rtl-optimization/27907
2749 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2752 2006-07-25 Roger Sayle <roger@eyesopen.com>
2755 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2756 bar(x) check that bar's result type can represent all the values of T.
2758 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2760 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2762 2006-07-25 Nick Clifton <nickc@redhat.com>
2764 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2765 size_lookup[] array.
2766 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2767 (ggc_pch_count_object): Likewise.
2768 (ggc_pch_alloc_object): Likewise.
2769 (ggc_pch_write_object): Likewise.
2770 (init_ggc): Do not attempt to initialize entries in the
2771 size_lookup[] array for objects whose size is greater than than
2772 the length of the array.
2774 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2776 * dbxout.c (output_used_types_helper): Push queued types
2778 (output_types_sort): New.
2779 (output_used_types): Collect used types on a VEC and sort them
2782 2006-07-24 Richard Guenther <rguenther@suse.de>
2785 * cgraph.c (cgraph_remove_node): Do not check if dumps
2787 * cgraphunit.c (cgraph_optimize): Likewise.
2789 2006-07-24 Jan Hubicka <jh@suse.cz>
2791 PR rtl-optimization/28071
2792 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2793 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2794 splitting before first stmt.
2796 2006-07-24 Jan Hubicka <jh@suse.cz>
2798 PR rtl-optimization/28071
2799 * ipa-inline.c (update_caller_keys): Remove edges that
2800 are no longer inline candidates.
2802 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2805 * dbxout.c (output_used_types_helper, output_used_types): New.
2806 (dbxout_symbol): Call output_used_types.
2808 2006-07-23 Jan Hubicka <jh@suse.cz>
2812 * cgraph.c (cgraph_varpool_nodes): Export.
2813 (decide_is_variable_needed): Ignored "used" attribute in
2814 unit-at-a-time mode.
2815 * cgraph.h (cgraph_varpool_nodes): Declare.
2816 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2817 unit-at-a-time mode.
2819 2006-07-23 Roger Sayle <roger@eyesopen.com>
2822 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2823 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2824 the __gthrw form of thr_keycreate.
2825 (__gthread_key_delete): Silence the unused argument warning.
2827 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2830 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2831 Cache the last found '\0' marker to avoid quadratic behavior.
2833 2006-07-23 Jan Hubicka <jh@suse.cz>
2835 * i386.md (subsi_3_zext): Fix output template.
2837 2006-07-21 Mike Stump <mrs@apple.com>
2839 * doc/invoke.texi (C++ Dialect Options): Note that
2840 -fvisibility-inlines-hidden doesn't affect explicitly
2841 instantiationed inline methods.
2843 2006-07-20 Roger Sayle <roger@eyesopen.com>
2845 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2846 if the target assembler is GNU binutils' gas.
2847 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2848 whether to pass GNU gas or native as command line options.
2850 2006-07-20 Jason Merrill <jason@redhat.com>
2852 * tree.c (remove_attribute): New fn.
2853 * tree.h: Declare it.
2855 2006-07-20 Paul Brook <paul@codesourcery.com>
2858 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2859 they are invalidated by this instruction.
2861 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2864 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2866 2006-07-20 Eric Christopher <echristo@apple.com>
2869 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2871 2006-07-19 Eric Christopher <echristo@apple.com>
2873 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2874 Rewrite dependencies for libgcc_s.1.dylib.
2876 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2878 * except.c (duplicate_eh_regions_1): Clear next_peer.
2880 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2882 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2883 -mlongcall does not guarantee all calls will be long.
2884 * doc/extend.texi (long_call/short_call): Document that longcall
2885 does not guarantee a long call will be used.
2886 (longcall/shortcall): Likewise.
2888 2006-07-18 Roger Sayle <roger@eyesopen.com>
2891 * expmed.c (expand_shift): Additionally check that the shift_cost
2892 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2893 before implementing a LSHIFT_EXPR as a sequence of additions.
2894 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2895 middle-end that DImode shifts need to be synthesized by expand.
2897 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2900 * tree-ssa-operands.c (access_can_touch_variable): Update
2902 Return true if ALIAS is .GLOBAL_VAR.
2904 2006-07-18 David Daney <ddaney@avtrex.com>
2906 * gcc.c (display_help): Fix typo in help text.
2908 2006-07-18 Olivier Hainque <hainque@adacore.com>
2910 * tree.h (categorize_ctor_elements): Adjust prototype and add
2911 descriptive comment, both in accordance with the interface change
2913 * varasm.c (constructor_static_from_elts_p): New function.
2914 Whether a constructor node is a valid static constant initializer
2915 if all its elements are.
2916 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2917 * output.h: Declare it.
2918 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2919 is a valid constant initializer instead of computing the number of
2920 non-constant elements. Use constructor_static_from_elts_p for this
2921 purpose. Replace the head comment with an indication that this is a
2922 helper for categorize_ctor_elements.
2923 (categorize_ctor_elements): Same interface change as for the _1
2924 helper. Former head comment from this helper moved here, adjusted to
2925 account for the interface changes.
2926 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2927 (all_zeros_p): Likewise.
2928 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2929 static versions of the constructor from the categorize_ctor_elements
2930 return value instead of the formerly computed number of non-constant
2933 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2935 * configure: Regenerate.
2936 * Makefile.in (build_libsubdir): New configure substitution
2937 (build_libobjdir): New variable.
2938 (BUILD_LIBIBERTY): Use it.
2940 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2943 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2945 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2948 * c-common.c (handle_weakref_attribute): Ignore attribute in
2949 the same conditions the alias attribute is ignored.
2951 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2953 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2954 (dbxout_begin_prologue): Increment scope_labelno.
2956 2006-07-17 Richard Henderson <rth@redhat.com>
2959 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2962 2006-07-17 Roger Sayle <roger@eyesopen.com>
2963 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2965 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2966 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2967 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2968 functions such as sbrk, write, etc.. Add function prototypes.
2969 Convert function declarations from K&R to ISO C. Cast pointers
2970 to "long" and "unsigned long" instead of "int" and "unsigned int".
2971 Convert tokens following #endif into comments.
2973 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2975 * invoke.texi: Remove mention of f77; Reformat table for
2976 inline parameter options correctly; mention that -malign-double
2977 is default on x86-64 targets.
2979 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2981 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2982 (convert_affine_scev, chrec_convert_aggressive): Use
2983 avoid_arithmetics_in_type_p. Do not check for the subtypes
2986 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2989 * optabs.c (expand_doubleword_shift): Wrap the call to
2990 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2992 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2995 * optabs.c (expand_binop): Pass next_methods rather than methods
2996 to expand_doubleword_shift.
2998 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
3001 * tree.h (dump_addr): Declare.
3002 * print-tree.c (dump_addr): New function.
3003 (print_node_brief, print_node): Use it.
3004 * print-rtl.c (print_rtx): Likewise.
3005 * common.opt (-fdump-noaddr): New option.
3006 * doc/invoke.texi (-fdump-noaddr): Document.
3007 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
3008 (ve_info_hash): Likewise.
3010 2006-07-13 Andrew Haley <aph@redhat.com>
3012 PR tree-optimization/19505
3013 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
3014 edge leaving this block, make sure that the destination of this
3015 block has only one predecessor.
3017 2006-07-17 Richard Guenther <rguenther@suse.de>
3019 PR tree-optimization/28238
3020 * tree-inline.c (copy_bb): Check if we produced valid
3021 gimple copying and substituting a stmt. If not, gimplify
3024 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
3026 * optabs.c (maybe_encapsulate_block): New function extracted from...
3027 (emit_libcall_block): ...here. Invoke it on the block of insns to
3028 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
3029 (emit_no_conflict_block): Likewise.
3031 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
3033 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
3035 2006-07-15 Roger Sayle <roger@eyesopen.com>
3037 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
3038 a new NOP_EXPR case of the switch statement.
3040 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
3043 * stor-layout.c (place_field): Take the bit field with
3044 an excessive size into account in the ms-bitfiled case.
3047 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
3048 the previous bit field.
3050 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
3053 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
3055 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
3057 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
3058 signal frames correctly even when the signal was installed with
3061 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
3063 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
3064 (dbxout_function_end): Use local label LFBB. Remove hook
3066 (dbxout_source_line): Use local label LFBB.
3067 (dbxout_block): Likewise.
3068 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
3069 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
3070 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
3071 and DBX_OUTPUT_NFUN.
3073 2006-07-13 Janis Johnson <janis187@us.ibm.com>
3075 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
3077 2006-07-13 Jan Hubicka <jh@suse.cz>
3079 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
3081 * output.h (align_variable): Declare.
3082 * varasm.c (align_variable): Export.
3083 * value-prof.c (tree_value_profile_transformations): Recompute iterator
3084 when basic block changed.
3086 2006-07-13 Nick Clifton <nickc@redhat.com>
3088 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
3089 walking the LOG_LINKS chain.
3091 2006-07-12 Geoffrey Keating <geoffk@apple.com>
3093 * doc/invoke.texi (C++ Dialect Options): Explain difference
3094 between -fvisibility-inlines-hidden and setting hidden
3095 visibility explicitly.
3097 2006-07-12 Eric Christopher <echristo@apple.com>
3099 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3100 (stmp-lipo): Depend on libgcc.a.
3102 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3104 * tree.c: Fix a comment typo.
3106 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3108 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3110 (umulhisi3_r): Likewise.
3112 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3115 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3116 x < 19, vs wchar_t support.
3118 2006-07-12 Nick Clifton <nickc@redhat.com>
3120 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3121 instead of -isa=sh4.
3123 2006-07-12 Mike Stump <mrs@apple.com>
3125 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3127 2006-07-10 Eric Christopher <echristo@apple.com>
3129 * config/t-slibgcc-darwin: Rewrite.
3131 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3134 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3137 2006-07-08 Matthias Klose <doko@debian.org>
3139 * doc/sourcebuild.texi: Fix typo.
3141 2006-07-07 Mike Stump <mrs@apple.com>
3143 * toplev.c (process_options): Don't give -ffunction-sections may
3144 affect debugging warning for Mach-O.
3146 2006-07-07 James E Wilson <wilson@specifix.com>
3148 * config/mips/mips.md (cpu): Add sb1a.
3149 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3150 addition to sb1. Adjust comments to clarify SB-1A differences from
3152 (ir_sb1a_load): New. Modify bypasses to use it.
3153 (ir_sb1a_simple_alu): Likewise.
3154 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3155 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3156 (mips_issue_rate): Add PROCESSOR_SB1A.
3157 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3158 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3159 (TARGET_SB1): Add PROCESSOR_SB1A check.
3160 (TUNE_SB1): Likewise.
3162 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3163 * config/mips/mips.c (mips_store_data_bypass_p): New.
3164 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3165 store_data_bypass_p.
3167 2006-07-08 Paul Brook <paul@codesourcery.com>
3170 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3172 2006-07-07 Richard Guenther <rguenther@suse.de>
3175 * tree.h (build_one_cst): Declare.
3176 * tree.c (build_one_cst): New function.
3177 * tree-ssa-math-opts.c (get_constant_one): Remove.
3178 (insert_reciprocals): Use build_one_cst.
3179 * fold-const.c (fold_plusminus_mult): Likewise.
3181 2006-07-07 Roger Sayle <roger@eyesopen.com>
3183 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3184 * cfgloopanal.c (dump_graph): Likewise.
3185 * dojump.c (discard_pending_stack_adjust): Likewise.
3186 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3188 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3189 * function.c (finalize_block_changes): Likewise.
3190 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3191 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3192 * rtl.c (dump_rtx_statistics): Likewise.
3193 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3195 * varray.c (dump_varray_statistics): Likewise.
3196 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3197 decode_decimal64, encode_decimal128, decode_decimal128,
3198 decimal_real_to_decimal): Likewise.
3200 2006-07-07 Richard Guenther <rguenther@suse.de>
3202 PR tree-optimization/28187
3203 * tree-vrp.c (vrp_operand_equal_p): New function.
3204 (vrp_bitmap_equal_p): Likewise.
3205 (update_value_range): Use them to compare old and new
3208 2006-07-06 Roger Sayle <roger@eyesopen.com>
3210 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3211 a default case to switch statement to silence compiler warnings.
3213 2006-07-06 Roger Sayle <roger@eyesopen.com>
3216 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3217 the configured assembler supports the x87's ffreep mnemonic.
3218 * configure: Regenerate.
3219 * config.in: Regenerate.
3221 * config/i386/i386.c (output_387_ffreep): New function.
3222 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3223 (output_387_reg_move): Likewise.
3225 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3227 Port to hosts whose 'sort' and 'tail' implementations
3228 treat operands with leading '+' as file names, as POSIX
3229 has required since 2001. However, make sure the code still
3230 works on pre-POSIX hosts.
3231 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3232 which says you should use "tail -c +N" rather than "tail +Nc".
3233 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3235 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3237 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3240 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3243 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3244 PRE_{INC,DEC} of TFmode.
3246 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3247 Alan Modra <amodra@bigpond.net.au>
3250 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3253 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3256 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3257 Remove duplicate gtu.
3259 2006-07-05 Jason Merrill <jason@redhat.com>
3263 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3264 * c-common.c (handle_packed_attribute): So don't copy it here.
3265 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3267 2006-07-05 Mike Stump <mrs@apple.com>
3269 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3271 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3274 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3276 2006-07-05 Richard Guenther <rguenther@suse.de>
3279 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3280 TARGET_SSE2 targets if using SSE math.
3281 (*absdf2_1): Likewise.
3283 2006-07-05 Richard Guenther <rguenther@suse.de>
3285 PR tree-optimization/28162
3286 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3287 make sure to convert the operands to the correct type.
3289 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3291 PR tree-optimization/28218
3293 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3294 to calculate and free the dominator information.
3296 2006-07-04 Peter O'Gorman <peter@pogma.com>
3298 * mklibgcc.in: chmod 644 before ranlib during install.
3300 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3301 J"orn Rennecke <joern.rennecke@st.com>
3303 * configure.ac (.eh_frame data check): Use diff -b.
3305 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3308 * Makefile.in (BUILD_RTL): Add build/vec.o.
3309 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3310 (build/genextract): Delete.
3311 (build/genautomata): Likewise.
3313 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3316 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3317 128-bit IBM long doubles for ABI_V4.
3319 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3321 * tree.c (range_in_array_bounds_p): New predicate.
3322 * tree.h (range_in_array_bounds_p): Declare it.
3323 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3324 return a less conservative answer.
3325 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3326 and flag 'is_group'.
3327 (IS_ELEMENT_FOR_GROUP): New macro.
3328 (FOR_EACH_ACTUAL_CHILD): Likewise.
3329 (next_child_for_group): New helper function.
3330 (can_completely_scalarize_p): Take into account groups.
3331 (sra_hash_tree): Handle RANGE_EXPR.
3332 (sra_elt_eq): Likewise.
3333 (lookup_element): Be prepared for handling groups.
3334 (is_valid_const_index): Delete.
3335 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3336 instead of is_valid_const_index.
3337 <ARRAY_RANGE_REF>: New case.
3338 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3339 is_valid_const_index.
3340 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3341 (scan_dump): Dump info for groups too.
3342 (decide_instantiation_1): Likewise.
3343 (decide_block_copy): Assert that the element is not a group.
3344 Propagate decision to groups.
3345 (generate_one_element_ref): Handle RANGE_EXPR.
3346 (mark_no_warning): Iterate over actual childs.
3347 (generate_copy_inout): Likewise.
3348 (generate_element_copy): Likewise.
3349 (generate_element_zero): Likewise.
3350 (generate_element_init_1): Likewise.
3351 (dump_sra_elt_name): Handle RANGE_EXPR.
3353 2006-07-03 Roger Sayle <roger@eyesopen.com>
3355 PR tree-optimization/26251
3356 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3357 (thread_block): When optimizing for size refuse to thread jumps
3358 that would require duplication of blocks other than redirection
3361 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3363 * configure.ac: Fix thinko in previous check-in.
3364 * configure: Regenerate.
3366 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3369 * configure.ac (for lang...): Simplify nesting of conditionals.
3370 Test subdir_requires for non-enabled languages. Move processing
3371 of lang_opt_files and lang_tree_fiels below that test.
3372 * configure: Regenerate.
3373 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3375 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3377 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3379 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3381 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3384 2006-06-29 Jason Merrill <jason@redhat.com>
3391 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3392 * c-common.c (c_determine_visibility): Handle it here.
3393 * c-decl.c (finish_decl): Call c_determine_visibility for
3395 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3397 * varasm.c (default_assemble_visibility): Likewise.
3398 * c-common.c (handle_visibility_attribute): Complain about trying
3399 to give visibility to an already defined class, or trying to change
3400 declared visibility. Always attach the attribute.
3405 * attribs.c (decl_attributes): Ignore type-in-place attributes
3406 once the type has been defined.
3408 2006-06-29 Roger Sayle <roger@eyesopen.com>
3411 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3412 to indicate the cpplib has issued an error message for us.
3414 2006-06-29 Asher Langton <langton2@llnl.gov>
3417 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3418 insert a label at the end of an function under Mach-O.
3420 2006-06-29 Eric Christopher <echristo@apple.com>
3421 Evan Cheng <evan.cheng@apple.com>
3423 * predicates.md (vector_all_ones_operand): New.
3424 (nonimmediate_or_sse_const_operand): Ditto.
3425 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3426 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3427 (standard_sse_mode_p): Ditto.
3428 (standard_sse_constant_p): Add case for -1 vector.
3429 (ix86_expand_vector_move): Try to use.
3430 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3431 Call standard_sse_constant_opcode.
3432 (*movv4sf_internal): Ditto.
3433 (*movv2df_internal): Ditto.
3435 2006-06-29 Roger Sayle <roger@eyesopen.com>
3437 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3438 of XEXP to extract the operands of a MATCH_CODE rtx.
3440 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3442 * tree.c (tree_size): Do not waste tail padding in
3443 struct tree_string and make the size be the same as
3444 build_string will generate.
3446 2006-06-28 Jason Merrill <jason@redhat.com>
3449 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3450 may_aliases already in the tag's annotations to the bitmap.
3452 2006-06-28 Roger Sayle <roger@eyesopen.com>
3454 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3456 2006-06-28 Roger Sayle <roger@eyesopen.com>
3458 * genpreds.c (generate_switch_p): New function.
3459 (add_mode_tests): Push the new mode test down inside an AND expr
3460 if this allows the switch-suitable MATCH_CODE to be near the root.
3461 (write_match_code_switch): New function to write a MATCH_CODE as
3463 (write_predicate_stmts): New function to write a predicate RTX
3464 expression as a sequence of statements.
3465 (write_one_predicate_function): Use write_predicate_stmts.
3466 (write_tm_constrs_h): Likewise.
3468 2006-06-26 Fred Fish <fnf@specifix.com>
3470 * config/mips/t-sb1: New file.
3471 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3474 2006-06-26 DJ Delorie <dj@redhat.com>
3476 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3478 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3479 Jayant Sonar <jayants@kpitcummins.com>
3480 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3482 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3483 (subsi3, subsi3_1, subsi3_2): New.
3484 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3485 * config/m32c/mov.md (SI mov peephole): New.
3486 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3487 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3489 2006-06-26 Olivier Hainque <hainque@adacore.com>
3491 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3492 a CALL_EXPR target function declaration.
3494 2006-06-26 Richard Guenther <rguenther@suse.de>
3496 * tree.c (build_string): Do not waste tail padding in
3499 2006-06-26 Richard Guenther <rguenther@suse.de>
3501 * ggc-page.c (init_ggc): Add missing element to size_lookup
3505 2006-06-23 Richard Guenther <rguenther@suse.de>
3507 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3508 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3509 alignment requests instead. Add verification code.
3510 Add struct tree_function_decl and struct tree_binfo size to
3511 extra_order_size_table. Add missing element to size_lookup
3514 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3517 * fold-const.c (const_binop): Be prepared for self returning zero.
3518 Simplify code handling complex values.
3520 2006-06-24 Olivier Hainque <hainque@adacore.com>
3522 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3523 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3526 2006-06-24 Olivier Hainque <hainque@adacore.com>
3528 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3529 ARRAY_REF, so have the callback called for the low bound expression.
3531 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3533 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3534 * c-typeck.c (c_common_type): Disallow operations on decimal float
3535 types and other float types.
3536 * convert.c (convert_to_real): Don't ignore conversions involving
3537 decimal float types.
3539 2006-06-23 Olivier Hainque <hainque@adacore.com>
3541 * tree.c (max_int_size_in_bytes): New function, inspired from
3542 code in function.c:assign_temp.
3543 * tree.h (max_int_size_in_bytes): Declare.
3544 * function.c (assign_temp): Use it.
3545 * gimplify.c (create_tmp_var): Relax the assertions on the type
3546 properties, not mandating constant size any more.
3547 (force_constant_size): New static function.
3548 (gimple_add_tmp_var): Use it, forcing variable size to a
3549 constant upper bound if it is not constant on entry.
3551 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3554 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3555 for initialization and setting of one_only flag to ...
3556 (i386_pe_encode_section_info): ...here.
3557 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3558 Recheck that the symbol has not been defined.
3560 2006-06-23 Richard Guenther <rguenther@suse.de>
3562 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3563 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3564 alignment requests instead. Add verification code.
3565 Add struct tree_function_decl and struct tree_binfo size to
3566 extra_order_size_table. Add missing element to size_lookup
3569 2006-06-22 Roger Sayle <roger@eyesopen.com>
3570 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3573 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3574 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3576 2006-06-23 Ben Elliston <bje@au.ibm.com>
3578 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3579 negate dn -- manipulate it directly.
3581 2006-06-22 Roger Sayle <roger@eyesopen.com>
3582 Steven Bosscher <stevenb.gcc@gmail.com>
3585 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3586 generated by gen_move_insn to add REG_LABEL notes if necessary.
3588 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3590 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3591 (leaf_entry): Remove use of MIN_ESA.
3593 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3595 PR rtl-optimization/28121
3596 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3599 2006-06-21 DJ Delorie <dj@redhat.com>
3601 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3603 (mulhisi3_r): Likewise.
3605 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3608 * coverage.c (coverage_counter_alloc): Leave the index type
3610 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3613 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3615 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3616 section from the "Options for Code Generation Conventions".
3618 2006-06-21 Richard Henderson <rth@redhat.com>
3622 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3624 (global_symbolic_operand): Allow weak symbols, even if local_p.
3626 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3628 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3629 (find_interesting_uses_address): Punt if above function returns true.
3631 2006-06-21 Richard Guenther <rguenther@suse.de>
3633 * configure: Regenerated.
3635 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3637 * config/mips/mips.c (function_arg): Where one part of a
3638 complex argument is in registers and the other part in the stack,
3639 return a REG not a PARALLEL.
3641 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3643 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3644 when cross-compiling. Do not substitute libstdcxx_incdir.
3645 * configure: Regenerated.
3647 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3649 * varasm.c (mergeable_string_section): Check for embedded NULs and
3650 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3651 rather than TREE_STRING_LENGTH bytes.
3653 2006-06-21 Richard Guenther <rguenther@suse.de>
3655 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3656 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3659 2006-06-21 Richrad Guenther <rguenther@suse.de>
3661 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3662 Limit iteration over the dominators.
3664 2006-06-20 Roger Sayle <roger@eyesopen.com>
3666 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3667 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3669 2006-06-20 Richard Guenther <rguenther@suse.de>
3670 Michael Matz <matz@suse.de>
3672 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3674 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3675 * et-forest.h (et_free_pools): Prototype new function.
3676 * et-forest.c (et_free_tree_force): Free parent occurrence.
3677 (et_free_pools): New function.
3678 * dominance.c (free_dominance_info): Free et-forest alloc
3681 2006-06-20 Roger Sayle <roger@eyesopen.com>
3683 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3684 integer modes, attempt to directly construct an integer constant.
3686 * fold-const.c (native_encode_vector): Determine the size of each
3687 element from the vector type instead of the first vector element.
3689 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3690 if all of its elements/components are constant.
3691 (build_constructor_from_list): Likewise.
3693 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3695 PR tree-optimization/27331
3696 * tree-data-ref.c (free_data_ref): New function.
3697 (create_data_ref): Fail if the data reference has unknown access
3699 (free_data_refs): Use free_data_ref.
3701 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3704 * tree-inline.c (setup_one_parameter): Strip useless
3705 type conversion before adding it to the IR.
3706 (declare_return_variable): Likewise.
3708 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3711 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3713 2006-06-19 Mike Stump <mrs@apple.com>
3715 * tree.c (variably_modified_type_p): VM arguments don't make the
3718 2006-06-19 Richard Guenther <rguenther@suse.de>
3720 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3721 type conversions after folding.
3723 2006-06-19 Richard Guenther <rguenther@suse.de>
3725 * ggc-page.c (extra_order_size_tab): Add entries with
3726 size of struct function and basic_block.
3727 (size_lookup): Extend to cover sizes up to 511.
3728 (ggc_alloc_stat): Adjust user.
3729 (ggc_pch_count_object): Likewise.
3730 (ggc_pch_alloc_object): Likewise.
3731 (ggc_pch_write_object): Likewise.
3733 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3735 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3736 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3739 2006-06-19 Denis Chertykov <denisc@overta.ru>
3741 * config/avr/libgcc.S : Correct my wrong previous commit.
3743 2006-06-19 Roger Sayle <roger@eyesopen.com>
3746 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3747 have stripped a SUBREG from the shift count, so we may need to
3748 convert_to_mode back to the type's mode before calling make_tree.
3749 Use new_amount instead of amount to avoid expanding a tree twice.
3751 2006-06-19 Richard Guenther <rguenther@suse.de>
3754 * fold-const.c (operand_equal_p): Check if the argument types
3755 have the same precision before stripping NOPs.
3757 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3759 Fix PR tree-optimization/27341
3760 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3762 * tree-complex.c (pass_lower_complex): Update SMT usage.
3764 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3766 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3767 Add a new alternative to the constraint strings. Add move of
3768 operand 1 to 3 to the splitter definition.
3769 ("doloop_si_long"): Second contraint alternative removed.
3771 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3773 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3774 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3776 (AVR_HAVE_MOVW) Define.
3777 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3778 (ASM_SPEC): Add avr25.
3779 (LINK_SPEC): Add avr25.
3780 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3781 (base_arch_s): Add new member 'have_movw_lpmx'.
3782 (avr_arch_types): Init 'have_movw_lpmx'.
3783 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3784 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3785 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3786 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3787 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3789 (avr_file_start): Do not output '.arh' derective.
3790 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3791 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3792 * config/avr/avr.md (mcu_enhanced): Delete.
3793 (mcu_have_movw): Define.
3794 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3795 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3796 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3797 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3798 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3799 attiny861 and at86rf401 devices.
3801 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3803 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3806 2006-06-17 Karl Berry <karl@gnu.org>
3808 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3809 doc/gccint.texi, doc/install.texi (@dircategory): Use
3810 "Software development" instead of "Programming", following
3811 the Free Software Directory.
3813 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3815 * config/i386/i386.c (legitimate_tls_address)
3816 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3817 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3818 (*tls_dynamic_gnu2_combine_64): Likewise.
3820 2006-06-16 Richard Guenther <rguenther@suse.de>
3823 * fold-const.c (negate_expr_p): Do not introduce undefined
3824 overflow in negating INTEGER_CSTs.
3825 (fold_negate_expr): Rename from negate_expr. Revert last
3826 change for folding BIT_NOT_EXPR. Change semantics to
3827 return NULL_TREE for non-simplified negations. Do not
3828 strip type conversions and unify type handling.
3829 (negate_expr): New function, wrap around fold_negate_expr
3830 but ensure building a tree always. Strip type conversions
3831 here, fold to result type.
3832 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3834 2006-06-16 Roger Sayle <roger@eyesopen.com>
3837 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3838 that (would) return their results in stack registers.
3840 2006-06-16 Michael Matz <matz@suse.de>
3841 Richard Guenther <rguenther@suse.de>
3843 * fold-const.c (fold_truthop): Only return new tree node if
3844 we canonicalized something.
3846 2006-06-16 Richard Guenther <rguenther@suse.de>
3848 * function.h (enum function_frequency): Move declaration
3849 out of struct function.
3850 (struct function): Move bool fields and the enum to the bitfield
3851 section. Reorder elements to avoid padding. Remove unused
3852 fields left over from the RTL inliner removal.
3853 * function.c (free_after_compilation): Do not zero removed fields.
3854 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3855 (ipa-type-escape.o): Likewise.
3857 2006-06-16 Richard Guenther <rguenther@suse.de>
3859 * cgraph.h (struct cgraph_local_info): Turn bool elements
3861 (struct cgraph_node): Likewise.
3862 (struct cgraph_varpool_node): Likewise.
3864 2006-06-15 Richard Guenther <rguenther@suse.de>
3866 * fold-const.c (fold_truth_not_expr): Rename from
3867 invert_truthvalue. Give it fold_* semantics to avoid
3869 (invert_truthvalue): New function. Wrapper around
3870 fold_truth_not_expr.
3871 (optimize_minmax_comparison): Avoid creating garbage.
3872 (fold_unary): Use fold_truth_not_expr for folding
3874 (fold_ternary): Replace uses of invert_truthvalue with
3875 fold_truth_not_expr where applicable.
3876 * tree.h (fold_truth_not_expr): Prototype.
3878 2006-06-16 Richard Guenther <rguenther@suse.de>
3880 PR tree-optimization/27781
3881 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3882 * ipa-pure-const.c (target.h): Include.
3883 (analyze_function): Do not analyze functions that do not
3886 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3889 * tree-dfa.c (referenced_vars_dup_list): Remove.
3890 (find_referenced_vars): Remove assert.
3891 (referenced_var_check_and_insert): Replace dup list with assert.
3892 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3893 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3895 2006-06-15 Richard Guenther <rguenther@suse.de>
3897 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3898 extra unused identifiers if not dumping.
3899 (create_variable_info_for): Likewise.
3901 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3903 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3904 (derive_constant_upper_bound): Derive more precise upper bound in
3905 common cases. Return type changed to double_int.
3906 (record_estimate): Reflect the changed return type of
3907 derive_constant_upper_bound.
3908 * double-int.c (double_int_zext, double_int_sext): Fix.
3910 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3912 * configure.ac (CFLAGS): Get them from the toplevel or from the
3913 configure invocation.
3914 * configure: Regenerate.
3915 * Makefile.in (CFLAGS): Substitute value provided by configure.
3917 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3920 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3921 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3922 rather than calling add_stmt on it.
3923 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3925 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3928 * reload1.c (reload): Remove registers returned by update_eliminables
3929 from used_spill_regs.
3931 2006-06-13 DJ Delorie <dj@redhat.com>
3933 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3935 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3937 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3938 html__strip_dir, html__mkdir_p. Enhance install-html target.
3939 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3940 * configure: Regenerate.
3942 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3944 * fold-const.c (fold_cond_expr_with_comparison): Check for
3945 Objective-C++ as language in deciding COND_EXPR transformation.
3947 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3950 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3951 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3952 * config/sh/lib1funcs.h (SL, SL1): Define.
3953 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3954 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3955 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3956 (OBJS_Os_4_200): New variable.
3957 ($(T)libgcc-Os-4-200.a): Use it.
3958 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3959 when dividing 1 and/or by 0.
3961 2006-06-13 Roger Sayle <roger@eyesopen.com>
3963 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3964 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3965 * configure: Regenerate.
3967 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3969 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3970 for real instruction.
3972 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3975 * haifa-sched.c (check_cfg): Handle special case.
3977 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3980 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3981 Add debug_info parameter. Chain the vars to the BLOCK instead
3982 of the BIND_EXPR if debug info are requested for them.
3983 (pop_gimplify_context): Adjust for above change.
3984 (gimple_add_tmp_var): Likewise.
3985 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3987 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3988 (convert_local_reference): Likewise.
3989 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3990 (finalize_nesting_tree_1): Request that debug info be emitted
3991 for debug_var_chain.
3993 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3995 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3996 for PR target/27863.
3998 2006-06-13 Richard Guenther <rguenther@suse.de>
4001 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
4003 2006-06-13 Richard Guenther <rguenther@suse.de>
4005 PR tree-optimization/27830
4006 * tree-inline.c (copy_body_r): For copying the operand
4007 of an ADDR_EXPR make sure to fold &* afterwards.
4009 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
4011 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
4012 lvalues in the fb_none case with side-effects.
4014 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
4016 * tree-flow.h: Remove the prototype for
4017 compute_phi_arg_on_exit.
4018 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
4019 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
4022 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
4024 * builtins.c (expand_builtin_return_addr): Only use
4025 frame_pointer_rtx when count == 0 and we are expanding
4026 __builtin_return_address.
4028 2006-06-12 Fred Fish <fnf@specifix.com>
4030 * config/mips/mips.c (mips_file_start): Create special section
4031 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
4033 2006-06-11 Eric Christopher <echristo@apple.com>
4036 * stor-layout.c (place_field): Remove check for
4037 remaining_in_alignment when aligning at the end of a run.
4039 2006-06-11 Eric Christopher <echristo@apple.com>
4042 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
4045 2006-06-11 Roger Sayle <roger@eyesopen.com>
4048 Revert incorrect fix for PR target/27158
4049 2006-05-08 Roger Sayle <roger@eyesopen.com>
4050 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4051 of a reg_equiv_constant if the result is a legitimate constant.
4053 2006-06-11 Roger Sayle <roger@eyesopen.com>
4056 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
4057 extract a CONST_VECTOR element and interpret it as an integer.
4058 (vspltis_constant): Use const_vector_elt_as_int instead of the
4059 macro CONST_VECTOR_ELT in order to handle FP vector modes.
4060 * config/rs6000/predicates.md (easy_vector_const): Consider
4061 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
4063 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
4066 * stor-layout.c (update_alignment_for_field): Don't add extra
4067 alignment for packed non-bitfield fields in ms_bitfield_layout_p
4070 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
4072 * config/mips/t-rtems: Add EL/EB multilib variants.
4074 2006-06-09 Mike Stump <mrs@apple.com>
4076 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
4078 2006-06-09 David Daney <ddaney@avtrex.com>
4080 * doc/install.texi: Add binutils version recommendation for mips-*-*.
4082 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
4084 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
4086 2006-06-09 Richard Guenther <rguenther@suse.de>
4088 PR tree-optimization/26998
4089 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
4090 of signed types, only TYPE_MIN_VALUE is special, but for both,
4091 minimum and maximum value. Likewise VR_ANTI_RANGE is special
4092 in this case, as is -fwrapv.
4094 2006-06-08 Mike Stump <mrs@apple.com>
4097 * config/darwin.c (darwin_asm_output_anchor): Disable
4098 -fsection-anchors on darwin for now.
4099 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4100 * rs6000/rs6000.c (optimization_options): Likewise.
4102 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4105 * config/i386/i386.c (classify_argument): Skip fields with invalid
4108 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4110 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4111 (cse_insn): Likewise for the stack_pointer_rtx.
4113 2006-06-08 Roger Sayle <roger@eyesopen.com>
4115 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4116 conditions from floating point comparisons.
4118 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4121 * expmed.c (struct alg_hash_entry): Fix type of field T
4122 to match synth_mult argument.
4123 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4125 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4128 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4131 2006-06-08 Richard Guenther <rguenther@suse.de>
4134 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4135 only, if overflow is defined and not trapping.
4136 (negate_expr): Likewise.
4138 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4140 PR tree-optimization/27872
4141 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4142 flag on the new exit edge of the unrolled loop.
4144 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4146 PR rtl-optimization/26449
4147 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4149 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4152 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4153 referenced_variables with matching DECL_UID's.
4154 (find_referenced_vars): Make sure duplicate list is empty to start.
4155 (referenced_var_p): Remove.
4156 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4157 Check if var is in the list, and add if needed. Update the duplicate
4158 list if a different var is in the list with the same DECL_UID.
4159 (add_referenced_var): Call routine to check and insert.
4160 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4161 * tree-flow.h (referenced_vars_dup_list): External declaration.
4163 2006-06-07 Fred Fish <fnf@specifix.com>
4165 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4168 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4171 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4172 the imaginary and real parts of a clobbered register.
4173 Emit insn to set the imaginary part.
4175 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4177 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4178 in lieu of unwind-dw2-fde.c.
4180 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4182 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4184 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4187 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4188 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4189 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4190 V4SImode temporaries and operations instead.
4192 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4194 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4197 2006-06-06 Mike Stump <mrs@apple.com>
4199 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4200 installing during build.
4202 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4204 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4206 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4207 * config/ia64/ia64.c (params.h): New header.
4208 (ia64_optimization_options): New function to adjust parameters.
4209 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4210 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4211 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4213 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4215 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4217 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4220 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4222 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4223 Victor Kaplansky <victork@il.ibm.com>
4225 PR tree-optimization/26360
4226 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4229 2006-06-04 Roger Sayle <roger@eyesopen.com>
4230 Andrew Pinski <pinskia@physics.uc.edu>
4233 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4234 for LABEL_DECL before calling DECL_WEAK.
4237 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4238 LABEL_DECL and PARM_DECL.
4240 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4244 * c-decl.c (grokdeclarator): Disallow variably modified types at
4245 file scope. Avoid marking shared array type of constant size as
4248 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4251 * c-common.c (fold_offsetof_1): Handle static members.
4253 2006-06-04 Eric Christopher <echristo@apple.com>
4255 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4256 (debug_rli): Output value for remaining_in_alignment.
4257 (update_alignment_for_field): Unconditionalize
4258 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4259 extra alignment code.
4260 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4261 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4262 * tree.h (record_layout_info_s): Remove prev_packed.
4263 * doc/extend.texi (ms_struct): Add documentation of format.
4265 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4267 * tree.h: Declare folding_initializer.
4268 * builtins.c (fold_builtin_constant_p): Give definite answer
4269 if folding inside an initializer.
4270 * fold-const.c: Define folding_initializer.
4271 (START_FOLD_INIT): Save and then set folding_initializer.
4272 (END_FOLD_INIT): Restore folding_initializer.
4274 2006-06-04 Richard Guenther <rguenther@suse.de>
4276 PR tree-optimization/27039
4277 * fold-const.c (fold_comparison): Handle pointer comparison
4278 again for all comparison codes. Compare offsets in signed
4280 (fold_binary): Move code from here.
4282 2006-06-03 Roger Sayle <roger@eyesopen.com>
4285 * config/i386/i386.c (construct_container): Split static issued_error
4286 flag into issued_sse_arg_error, issued_sse_ret_error and
4287 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4288 requires the use of x87 registers and the user explicitly
4289 specified the -mno-80387 command line option.
4291 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4293 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4294 HAVE_DECL_SIGALTSTACK.
4296 (segv_handler): Use MC_FLD.
4297 * configure.ac: Check for a sigaltstack declaration.
4298 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4299 * configure: Regenerate.
4300 * config.in: Regenerate.
4302 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4305 * Makefile.in (stmp-fixinc): Fix typo.
4307 2006-06-02 Roger Sayle <roger@eyesopen.com>
4309 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4310 are type correct. Clean-up.
4311 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4312 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4314 2006-06-01 DJ Delorie <dj@redhat.com>
4316 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4317 shift, as we've disabled the "switch" insn that needs it.
4319 2006-06-01 Per Bothner <bothner@bothner.com>
4321 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4322 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4323 * c-ppoutput.c (cb_define): Don't increment line 0.
4325 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4327 * doc/invoke.texi: Add cpu_type power6.
4328 * config.gcc: Add cpu_type power6.
4329 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4330 to power5+ with Altivec.
4331 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4332 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4334 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4336 * config/avr/avr.h (SET_ASM_OP): Define.
4338 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4340 * config/bfin/bfin.c: Fix comment typos.
4342 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4345 * doc/install.texi: Document --enable-bootstrap and
4346 --disable-bootstrap.
4348 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4350 * doc/install.texi: Document that InfoZIP can replace jar.
4352 2006-05-31 Roger Sayle <roger@eyesopen.com>
4354 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4355 isn't available, directly generate the simpler x87 patterns without
4356 the (use (const_int 0)).
4357 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4358 implementation isn't available.
4359 (*negdf2_1): Likewise.
4360 (*negxf2_1): XF mode negation is always done using the x87.
4361 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4363 2006-05-31 Roger Sayle <roger@eyesopen.com>
4365 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4366 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4368 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4370 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4372 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4373 * config/bfin/bfin.c (basic-block.h): Include.
4374 (struct machine_function): New.
4375 (bfin_init_machine_status): New.
4376 (override_options): Initialize init_machine_status.
4377 (bfin_hardware_loop): New.
4378 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4379 (DEF_VEC_P (loop_info)): New.
4380 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4381 (struct loop_info): New.
4382 (loop_info): New typedef.
4383 (struct loop_work): New.
4384 (loop_work): New typedef.
4385 (DEF_VEC_O (loop_work)): New.
4386 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4387 (bfin_dump_loops): New.
4388 (bfin_bb_in_loop): New.
4389 (bfin_scan_loop): New.
4390 (bfin_optimize_loop): New.
4391 (bfin_reorg_loops): New.
4392 (bfin_reorg): Use bfin_reorg_loops.
4393 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4395 (I_REGNO_P): Simplify.
4396 (DP_REGNO_P, DPREG_P): New macros.
4397 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4398 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4399 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4400 Add LT_REGS, LC_REGS, LB_REGS.
4401 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4403 (REGNO_REG_CLASS): Deal with loop registers.
4404 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4406 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4407 New constants for loop registers.
4408 (UNSPEC_LSETUP_END): New.
4409 (seq_insns): New define_attr. Set it for appropriate insns.
4410 (movsi_insn): Add alternatives for move from/to
4411 loop count registers.
4412 (doloop_end): New define_expand.
4413 (loop_end): New define_insn.
4414 (define_split for bad doloop_end): New.
4415 (lsetup_with_autoinit): New define_insn.
4416 (lsetup_without_autoinit): New define_insn.
4417 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4418 * config/bfin/predicates.md (lc_register_operand): New.
4419 (lt_register_operand): New.
4420 (lb_register_operand): New.
4421 (nondp_register_operand): New.
4422 (nondp_reg_or_memory_operand): New.
4423 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4425 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4427 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4428 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4430 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4432 * Makefile.in (CATALOGS): Add po/ prefix.
4433 * configure: Regenerated.
4435 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4438 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4439 a shift operand before calling shift_op. Avoid redundant call of
4442 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4443 DJ Delorie <dj@redhat.com>
4445 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4446 we're inserting is a singlt-bit constant.
4448 2006-05-30 Roger Sayle <roger@eyesopen.com>
4450 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4451 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4453 2006-05-30 Roger Sayle <roger@eyesopen.com>
4455 PR tree-optimization/23452
4456 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4457 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4458 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4459 complex values and with -ffast-math for FP complex values.
4461 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4463 * c-common.h: Remove the prototype for yyparse.
4464 * rtl.h: Remove the prototype for init_loop.
4466 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4468 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4471 2006-05-30 Roger Sayle <roger@eyesopen.com>
4473 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4475 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4476 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4478 2006-05-30 Dirk Mueller <dmueller@suse.de>
4481 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4482 for CONSTANT_CLASS_P expresisons.
4484 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4487 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4489 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4491 PR tree-optimization/27779
4492 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4493 initial_condition instead of CHREC_LEFT.
4495 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4497 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4498 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4499 Make prototypes ISO C90.
4501 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4502 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4504 * see.c (see_analyze_one_def): Correct check.
4505 (see_get_extension_data): Check if extension is parallel.
4506 (see_get_extension_reg): Likewise.
4508 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4511 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4512 into register for (code == GTU).
4514 2006-05-29 Roger Sayle <roger@eyesopen.com>
4516 PR tree-optimization/24964
4517 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4518 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4519 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4520 abs(x)*abs(x) as x*x for scalar floating point modes.
4522 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4525 * lambda-code.c (perfect_nestify): Don't copy statements
4526 in the inner loop: move them to the inner loop header.
4528 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4531 * c-tree.texi: Document OpenMP directives and clauses.
4533 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4535 * varasm.c (globalize_decl): Fix indentation.
4537 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4540 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4541 pass_fre, pass_store_ccp, pass_copy_prop,
4542 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4543 pass_return_slot, pass_object_size, pass_lim,
4544 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4545 pass_loop_prefetch and pass_stdarg.
4547 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4549 * config/bfin/bfin.opt (mfdpic): New option.
4550 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4551 (EXTRA_MULTILIB_PARTS): Likewise.
4552 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4553 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4555 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4556 (CRT_CALL_STATIC_FUNCTION): New.
4557 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4559 (CRT_CALL_STATIC_FUNCTION): New.
4560 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4562 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4563 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4564 (initialize_trampoline): Changed to handle FD-PIC code generation.
4565 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4566 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4567 (override_options): Disallow -mid-shared-library -mfdpic combination.
4568 Can't do unaligned ops if FD-PIC.
4569 Turn off flag_pic if trying to generate non-id-shared-library
4570 non-fdpic code, since it's not supported.
4571 (bfin_assemble_integer): New function.
4572 (TARGET_ASM_INTEGER): Define.
4573 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4575 * config/bfin/crtn.s: Restore them.
4576 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4578 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4579 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4580 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4581 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4582 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4584 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4585 FDPIC_REGS and FDPIC_FPTR_REGS.
4586 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4587 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4588 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4589 (load_funcdescsi): New pattern.
4590 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4591 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4592 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4594 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4596 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4599 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4601 * tree-flow.h: Remove the prototype for add_type_alias.
4602 * tree-ssa-alias.c (add_type_alias): Remove.
4604 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4606 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4607 config/fr30/fr30.md, config/i386/i386-interix.h,
4608 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4609 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4610 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4611 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4612 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4613 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4614 Follow spelling conventions.
4615 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4616 Follow spelling conventions.
4618 2006-05-27 Richard Guenther <rguenther@suse.de>
4621 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4622 to produce a constant of value 1 of generic type.
4624 2006-05-27 Dirk Mueller <dmueller@suse.de>
4626 * cgraphunit.c (decide_is_function_needed): Fix wrong
4629 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4631 PR rtl-optimization/27661
4632 * reload.c (find_reloads): When reloading a VOIDmode constant
4633 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4634 use Pmode as mode of the reload register.
4636 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4638 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4639 is enabled at -O and above.
4641 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4644 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4647 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4650 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4651 for anonymous variables explicitly declared by front ends.
4653 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4655 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4656 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4657 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4658 ref-all pointers, run a finalization pass for them.
4659 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4660 (finalize_ref_all_pointers): New function.
4661 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4662 regular pointer type to a ref-all pointer type.
4663 (get_tmt_for): Return the special memory tag for ref-all pointers.
4665 2006-05-25 Richard Guenther <rguenther@suse.de>
4668 * fold-const.c (fold_binary): Do not look at the stripped
4669 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4671 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4673 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4674 for LT and GT if the computed range is effectively empty.
4676 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4679 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4680 mips_quad_format formats instead of ieee_single_format,
4681 ieee_double_format and ieee_quad_format formats, respectively.
4683 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4685 PR tree-optimization/27639
4686 PR tree-optimization/26719
4687 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4688 call to scev_probably_wraps_p.
4689 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4690 used_in_pointer_arithmetic_p, convert_step): Removed.
4691 (nowrap_type_p): New function.
4692 (scev_probably_wraps_p): Rewritten.
4693 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4694 chrec_convert if chrec_convert_aggressive might have been used.
4695 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4696 scev_direction): New functions.
4697 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4698 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4699 instead of convert_step.
4700 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4701 (convert_step): Declaration removed.
4702 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4704 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4706 * df-core.c: Added to header comments.
4707 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4708 df_ur_bb_info, df_urec_bb_info): Added comments.
4709 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4710 urec, ri problems): Fixed header comments.
4711 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4712 code from df_rd_transfer_function.
4714 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4716 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4717 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4718 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4720 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4722 * expr.c (undefined_operand_subword_p): New.
4723 (emit_move_multi_word): Do not generate move from undefined bits
4724 of a paradoxical subreg.
4726 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4728 PR rtl-optimization/27736
4729 * combine.c (replaced_rhs_value): New variable.
4730 (combine_instructions): Set it.
4731 (distribute_notes): When distributing a note in replaced_rhs_insn,
4732 check whether the value was used in replaced_rhs_value.
4734 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4737 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4738 add_referenced_var instead of add_referenced_tmp_var.
4739 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4740 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4742 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4743 tree_optimize_tail_calls_1): Use add_referenced_var.
4744 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4745 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4746 Use add_referenced_var.
4747 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4748 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4749 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4750 Use add_referenced_var.
4751 * tree-dfa.c (struct walk_state): Remove.
4752 (find_referenced_vars): Remove walk state and vars_found hash table.
4753 (make_rename_temp): Use add_referenced_var.
4754 (find_vars_r): Pass less parameters to add_referenced_var.
4755 (referenced_var_p): New. Is var in referenced_var hash table.
4756 (referenced_var_insert): Assert var isn't already in hash table.
4757 (add_referenced_var): Don't need walk_state parameter. Add var if it
4758 isn't already in the hash table.
4759 (add_referenced_tmp_var): Remove.
4760 (find_new_referenced_vars_1): Use add_referenced_var.
4761 * tree-ssa-pre.c (create_expression_by_pieces,
4762 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4763 Use add_referenced_var.
4764 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4765 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4766 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4768 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4769 vect_create_data_ref_ptr, vect_create_destination_var,
4770 vect_init_vector, vect_build_loop_niters,
4771 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4772 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4773 Use add_referenced_var.
4774 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4775 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4776 (add_referenced_var): Add prototype.
4777 * tree-ssa-structalias.c (get_constraint_for,
4778 intra_create_variable_infos): Use add_referenced_var.
4780 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4782 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4783 big-endian paradoxical subregs.
4784 * var-tracking.c (struct micro_operation_def): Document that,
4785 for modify micro operations, insn is the subsequent instruction.
4786 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4787 (var_reg_set, var_mem_set): ... new functions.
4788 (add_stores): Record subsequent insn.
4789 (compute_bb_dataflow): Use new functions for MO_USE.
4790 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4791 notes after the insn, and modify notes before the insn known
4792 to be the subsequent one.
4793 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4795 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4798 * config/i386/i386.c (ix86_expand_builtin): Use
4799 gen_sse3_monitor64 for TARGET_64BIT.
4801 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4803 PR rtl-optimization/26375
4804 PR rtl-optimization/26855
4805 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4807 (df_ru_bb_local_compute): Reversed statements and removed bogus
4808 comment explaining why they should be in wrong order.
4809 (df_ru_dump, df_rd_dump): Enhanced debug info.
4810 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4812 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4813 reaching uses and fixed space problem.
4815 2006-05-23 Jan Hubicka <jh@suse.cz>
4817 * cgraphunit.c (decide_is_function_needed): Also nested functions
4818 and functions declared inline can be optimized out at -O0.
4820 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4822 * doc/install.texi (Configuration): Remove reference to CrossGCC
4826 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4829 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4830 ix86_compare_emitted is non-NULL.
4832 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4835 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4838 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4840 PR rtl-optimization/25514
4841 * combine.c (replaced_rhs_insn): New variable.
4842 (combine_instructions): Set replaced_rhs_insn when trying to replace
4843 a SET_SRC with a REG_EQUAL note.
4844 (distribute_notes): Use replaced_rhs_insn when determining the live
4845 range of a REG_DEAD register.
4847 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4848 Anatoly Sokolov <aesok@post.ru>
4850 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4851 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4852 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4853 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4854 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4855 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4856 at90usb647, at90usb1286 and at90usb1287 devices.
4857 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4858 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4860 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4862 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4864 2006-05-22 Richard Guenther <rguenther@suse.de>
4867 2006-01-31 Richard Guenther <rguenther@suse.de>
4868 Paolo Bonzini <bonzini@gnu.org>
4870 * doc/install.texi (--disable-libgcc-math): Document.
4872 2006-05-22 Richard Guenther <rguenther@suse.de>
4875 2006-01-31 Richard Guenther <rguenther@suse.de>
4877 * doc/invoke.texi (-msselibm): Document.
4878 * target.h (expand_library_builtin): New target hook.
4879 * builtins.c (expand_builtin): Use expand_library_builtin.
4880 (default_expand_library_builtin): New function.
4881 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4882 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4883 (link_gcc_math_spec): Declare.
4884 (static_specs): Add link_gcc_math_spec.
4885 * expr.h (default_expand_library_builtin): Declare.
4886 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4887 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4888 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4889 * config/i386/i386.opt (msselibm): New target option.
4890 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4891 (ix86_init_sse_abi_builtins): New function.
4892 (ix86_expand_library_builtin): Likewise.
4893 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4894 (override_options): Handle error conditions wrt -msselibm.
4895 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4896 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4897 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4900 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4903 * c-common.c (self_promoting_args_p): Skip erroneous args.
4906 * c-decl.c (finish_struct): Skip erroneous fields.
4908 2006-05-22 Nick Clifton <nickc@redhat.com>
4910 * config/cris/cris.opt (march): Remove VarExists attribute.
4911 (max-stackframe=): Likewise.
4913 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4915 * doc/rtl.texi: Fix a typo.
4916 * see.c: Fix comment typos.
4918 * tree-ssa-structalias.h (alias_info): Remove num_references.
4920 2006-05-21 Mike Stump <mrs@apple.com>
4922 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4924 (darwin_pragma_options): Use BAD instead.
4925 (darwin_pragma_unused): Likewise.
4926 (darwin_pragma_ms_struct): Likewise.
4928 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4930 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4932 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4934 PR rtl-optimization/27671
4935 * simplify-rtx.c (simplify_relational_operation_1): Fix
4936 simplifications of (eq/ne (xor x y) y) and
4937 (eq/ne (xor x y) x).
4939 PR tree-optimization/26622.
4940 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4943 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4945 * tree-cfg.c: Prune whitespace.
4946 (debug_tree_cfg): Point to correct header containing the
4949 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4952 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4954 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4957 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4958 or sorry count is non zero.
4960 2006-05-20 Andreas Schwab <schwab@suse.de>
4962 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4964 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4965 Kenneth Zadeck <zadeck@naturalbridge.com>
4967 PR rtl-optimization/26855
4969 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4971 (df_scan_alloc): Added code to properly handle multiword hard
4972 registers and add all_blocks parameter.
4973 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4974 code to properly handle multiword hard registers.
4975 (df_rescan_blocks): Added code to remove deleted blocks from
4977 (df_ref_create_structure, df_ref_record): Added code to properly
4979 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4980 and set DF_REF_PARTIAL.
4981 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4982 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4983 (df_scan_add_problem): Added flags parameter.
4984 (df_ref_create_structure): Changed switching structure.
4985 (df_bb_refs_record): Fixed case where duplicate artificial refs
4986 were created. Changed location of flags.
4987 (df_record_entry_block_defs): Added code to make stack pointer
4988 live in entry block. Refined cases where frame pointer is needed.
4989 Changed location of flags.
4990 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4991 (df_set_state): Removed function.
4992 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4993 df_insn_create_insn_record, df_insn_refs_delete,
4994 df_ref_create_structure): Formatting changes.
4995 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4996 df_delete_basic_block): New function.
4997 (df_init): Changed location of flags.
4998 (df_add_problem): Added flags parameter and the way flags are
5000 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
5001 debug_df_chain): Improved debugging output.
5002 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
5003 (df_refs_chain_dump): Removed df parameter.
5004 (df_iterative_dataflow): Added consistency check.
5005 (df_prune_to_subcfg): Made public.
5006 (df_analyze_problem): Added blocks_to_init parameter and made
5008 (df_ref_record, df_bb_refs_record, df_mark_reg,
5009 df_record_exit_block_uses): Whitespace changes.
5010 (df_dump): Whitespace changes.
5011 * df.h: Some reordering to remove forward references.
5012 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
5013 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
5014 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
5015 (dataflow.flags): New field.
5016 (df.flag): Deleted field.
5017 (df_alloc_function): Added additional bitmap parameter.
5018 (df_dependent_problem_function): New type.
5019 (df_problem.changeable_flags): New field.
5020 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
5021 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
5022 (df_mw_hardreg): New struct.
5023 (DF_INSN_UID_MWS): New macro.
5024 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
5026 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
5027 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
5028 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
5029 (df_set_state): Removed function.
5030 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
5031 * df-problems.c (df_chain_dump): Removed df parameter.
5032 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
5033 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
5035 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
5036 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
5037 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
5038 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
5039 DF_REF_MUST_CLOBBER cases.
5040 (df_ru_bb_local_compute_process_def,
5041 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
5042 df_lr_bb_local_compute, df_ur_bb_local_compute,
5043 df_chain_create_bb): Made subreg aware.
5044 (df_ru_bb_local_compute, df_rd_bb_local_compute,
5045 df_lr_bb_local_compute, df_lr_bb_local_compute,
5046 df_chain_create_bb): Cleanup to use proper macros.
5047 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
5048 code to fixup bitvectors.
5049 (df_ri_alloc): Cleared lifetime.
5050 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
5051 df_create_unused_note): New function.
5052 (df_ri_bb_compute, df_ri_compute): Added code to create/update
5053 REG_DEAD and REG_UNUSED notes as well as register information.
5054 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
5055 df_chains_dump): Fixed crash if problem was never run.
5056 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
5057 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
5058 df_ri_add_problem): Processes flags in uniform manner.
5059 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
5060 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
5061 df_rd_dump, df_urec_free_bb_info): Formatting changes.
5062 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
5063 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
5064 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
5065 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
5066 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
5067 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
5068 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
5069 * see.c (see_initialize_data): Ditto.
5070 * final.c (rest_of_clean_state) Added regstack_completed.
5071 * rtl.h (regstack_completed): Ditto.
5072 * reg-stack.c (regstack_completed): Ditto.
5074 2006-05-19 Mike Stump <mrs@apple.com>
5076 * c-tree.h (default_conversion): Remove.
5077 * c-common.h (default_conversion): Add.
5079 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
5081 * tree-vrp.c (valid_value_p): New function.
5082 (adjust_range_with_scev): Fail if the value of bound is not
5085 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5087 * config/mips/linux-unwind.h: Include <asm/unistd.h>
5088 (mips_fallback_frame_state): Use syscall numbers to determine
5089 the appropriate li instruction for the current ABI. Only use
5090 __NR_sigreturn for o32.
5092 2006-05-19 Nicolas Setton <setton@adacore.com>
5094 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
5095 * langhooks.c (lhd_dwarf_name): New function.
5096 * langhooks-def.h (lhd_dwarf_name): Declare.
5097 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5098 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5099 * ada/misc.c (gnat_dwarf_name): New function.
5100 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5102 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5104 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5106 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5107 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5108 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5109 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5110 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5111 determine the size of Wtype, etc.
5112 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5113 (swfloatfuncs): New variable.
5114 (dwfloatfuncs): Likewise.
5115 (lib2funcs): Remove floating-point conversion functions from
5116 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5117 the set of conversion routines needed. Allow entries to specify
5118 an object name, filename and word size. Update users accordingly.
5119 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5120 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5124 2006-02-08 Roger Sayle <roger@eyesopen.com>
5127 * config/fixtfdi.c: New libgcc source file.
5128 * config/fixunstfdi.c: New source file.
5129 * config/floatditf.c: New source file.
5130 * config/floatunditf.c: New souce file.
5131 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5132 files above instead of config/mips/_tilib.c.
5133 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5135 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5137 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5138 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5140 2006-05-18 Mike Stump <mrs@apple.com>
5142 Fix up vla, vm and [*] sematics.
5148 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5149 (c_vla_unspec_p): Add.
5150 (c_vla_type_p): Add.
5151 * c-decl.c (struct c_scope): Add had_vla_unspec.
5152 (build_array_declarator): Add support for [*].
5153 (grokdeclarator): Likewise.
5154 (grokparms): Likewise.
5155 (get_parm_info): Likewise.
5156 * c-objc-common.c (c_vla_unspec_p): Likewise.
5157 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5158 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5159 typeof when argument is a variably modified type not inside sizeof or alignof.
5160 (c_parser_direct_declarator_inner): Propagate errors.
5161 (c_parser_sizeof_expression): Add support for [*].
5162 (c_parser_parms_declarator): Initialize had_vla_unspec.
5163 (c_parser_parms_list_declarator): Likewise.
5164 * c-typeck.c (c_vla_type_p): Add.
5165 (composite_type): Add support for vla compositing.
5166 (comptypes_internal): Add support for vla compatibility.
5167 (c_expr_sizeof_expr): Evaluate vla arguments.
5168 * tree.c (variably_modified_type_p): Update comment for [*].
5170 2006-05-18 Michael Matz <matz@suse.de>
5173 * config.host: Make assignments to host_xmake_file cumulative.
5174 * config.host (*-darwin*): Test $host, not $target.
5176 2006-05-12 Stuart Hastings <stuart@apple.com>
5178 * config/i386/i386.opt (-mstackrealign): New flag.
5179 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5180 (ix86_handle_cconv_attribute): Emit error when
5181 force_align_arg_pointer attribute collides with too many regparms.
5182 (ix86_function_regparm): Limit regparms when used with
5183 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5184 Support stack-realigning prologue in non-main functions. Emit
5185 warning for nested functions under -mstackrealign, emit error for
5186 nested functions with force_align_arg_pointer attribute.
5187 * doc/extend.texi (force_align_arg_pointer): Document it.
5188 * doc/invoke.texi (-mstackrealign): Document it.
5190 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5192 PR rtl-optimization/27477
5193 * combine.c (try_combine): Don't split a parallel consisting
5194 of two sets into two individual sets if both sets reference
5197 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5199 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5200 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5202 * doc/options.texi (VarExists): Updated.
5204 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5206 * unwind-dw2.c: Add declarations for uw_update_context and
5208 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5209 detected, advance frame state and context once to skip over stub.
5211 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5215 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5216 Call rewrite_into_loop_closed_ssa only when something changed.
5217 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5218 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5219 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5220 Test for perfect_nest_p here. Fix formating.
5221 (replace_uses_equiv_to_x_with_y): Fix formating.
5222 (stmt_uses_op): Removed.
5223 (can_convert_to_perfect_nest): Removed loopivs parameter.
5224 Complete the test by checking the scalar dependences.
5225 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5228 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5231 From Dan Kegel <dank@kegel.com>:
5232 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5234 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5236 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5237 if the element type is variably modified without recursing.
5239 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5242 * tree-loop-linear.c (try_interchange_loops): Test for
5243 no data dependences.
5245 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5247 PR tree-optimization/27548
5248 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5249 range of ssa names that appear on abnormal edges.
5250 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5251 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5253 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5256 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5258 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5261 * tree.h (OMP_PARALLEL_COMBINED): Define.
5262 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5263 (new_omp_context): Add is_combined_parallel argument.
5264 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5265 new_omp_context caller.
5266 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5267 Adjust gimplify_scan_omp_clauses callers.
5268 (omp_is_private): Issue errors if iteration variable is firstprivate
5269 or reduction in the current context.
5270 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5271 on combined parallel workshare constructs.
5273 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5275 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5276 (gcc-options.o): New rule.
5278 * optc-gen.awk: Protect variables for gcc-options.o with
5279 #ifdef GCC_DRIVER/#endif.
5281 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5283 Fix PR tree-optimization/27373
5284 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5285 (forward_propagate_addr_expr): Update call.
5287 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5289 * doc/options.texi: Move the Negative option.
5291 2006-05-16 Richard Guenther <rguenther@suse.de>
5293 PR tree-optimization/22303
5294 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5296 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5297 ccp_fold did not simplify the statement.
5299 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5302 * Makefile.in (GCC_OBJS): New.
5303 (OBJS-common): Add opts-common.o.
5304 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5305 (cpp$(exeext)): Likewise.
5306 (gcc.o): Also depend on opts.h.
5307 (opts-common.o): New.
5309 * common.opt (gcoff): Add Negative(gdwarf-2).
5310 (gdwarf-2): Add Negative(gstabs).
5311 (gstabs): Add Negative(gstabs+).
5312 (gstabs+): Add Negative(gvms).
5313 (gvms): Add Negative(gxcoff).
5314 (gxcoff): Add Negative(gxcoff+).
5315 (gxcoff+): Add Negative(gcoff).
5316 * config/i386/i386.opt (m32): Add Negative(m64).
5317 (m64): Add Negative(m32).
5319 * doc/options.texi: Document the Negative option.
5321 * gcc.c: Include "opts.h".
5322 (main): Call prune_options after expandargv.
5324 * optc-gen.awk: Generate common declarations for all flag
5325 variables in options.c. Output the neg_index field.
5327 * opts.c (find_opt): Moved to ...
5328 * opts-common.c: Here. New file.
5330 * opts.h (cl_option): Add a neg_index field.
5332 (prune_options): Likewise.
5334 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5337 * omp-low.c (expand_omp_parallel): Don't assert
5338 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5339 instead search for it.
5342 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5345 2006-05-16 Andreas Schwab <schwab@suse.de>
5347 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5350 2006-05-15 Roger Sayle <roger@eyesopen.com>
5353 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5354 integer constants other than zero are only legitimate on TARGET_64BIT.
5355 <CONST_VECTOR> Only zero vectors are legitimate.
5356 (ix86_cannot_force_const_mem): Integral and vector constants can
5357 always be put in the constant pool.
5359 2006-05-16 DJ Delorie <dj@redhat.com>
5361 * crtstuff.c (__dso_handle): Set section from
5362 TARGET_LBIGCC_SDATA_SECTION if defined.
5363 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5364 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5366 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5369 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5372 2006-05-16 Ben Elliston <bje@au.ibm.com>
5374 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5376 2006-05-15 Per Bothner <per@bothner.com>
5378 * tree.c: (last_annotated_node): Use source_locus typedef.
5379 This permits bootstrapping with --enable-mapped-location.
5381 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5383 PR tree-optimization/26830
5384 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5385 (info_for_ssa_name, current_info_for_ssa_name_age,
5386 blocks_to_update): New variables.
5387 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5388 (clear_ssa_name_info, initialize_flags_in_bb,
5389 mark_block_for_update): New functions.
5390 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5391 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5392 prepare_def_site_for): Use mark_block_for_update.
5393 (mark_def_interesting): Assert that the processed block is marked in
5394 blocks_to_update. Do not take blocks argument.
5395 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5397 (rewrite_update_init_block, rewrite_update_stmt): Only process
5398 blocks with statements to rewrite.
5399 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5400 (update_ssa): Initialize and free blocks_to_update. Do not
5401 clear flags on statements. Do not use blocks bitmap.
5402 * tree.h (SSA_NAME_AUX): Removed.
5403 (struct tree_ssa_name): Removed aux field.
5404 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5406 2006-05-15 Richard Guenther <rguenther@suse.de>
5408 PR tree-optimization/27603
5409 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5410 Do computations in original type.
5412 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5414 * see.c: Code style changes such as redundant paranthesis,
5415 redundant intialization of local variables etc.
5416 (see_main): Declared now as static.
5417 * doc/invoke.texi: Update that -fsee is not enabled by
5420 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5422 * omp-low.c (check_omp_nesting_restrictions): New function.
5423 (scan_omp_1): Call it.
5426 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5427 construct, return *VAR.
5429 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5431 PR rtl-optimization/27406
5432 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5435 2006-05-14 Roger Sayle <roger@eyesopen.com>
5437 PR rtl-optimization/27538
5438 * combine.c (expand_compound_operation): Call gen_lowpart
5439 before calling simplify_shift_const.
5441 2006-05-14 Roger Sayle <roger@eyesopen.com>
5443 PR rtl-optimization/22563
5444 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5445 a fixed width bitfield, always force the intermediates into psuedos.
5447 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5450 * mkconfig.sh: Use operator = instead of == for test.
5452 2006-05-13 Nick Clifton <nickc@redhat.com>
5454 * dwarf2out.c (dbx_reg_number): Check return value from
5455 LEAF_REG_REMAP and only use it if it is valid.
5456 (multiple_reg_loc_descriptor): Likewise.
5458 2006-05-13 Richard Guenther <rguenther@suse.de>
5460 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5463 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5465 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5466 information attached to non-INSNs such as NOTEs.
5467 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5469 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5471 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5473 * config/s390/s390.md: Adjust comment describing On constraint.
5475 2006-05-11 Jan Hubicka <jh@suse.cz>
5477 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5478 to be output at -O0.
5480 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5483 * fold-const.c (size_binop): Move sanity check for arguments to
5484 the beginning of the function.
5487 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5490 2006-05-11 Richard Guenther <rguenther@suse.de>
5493 * fold-const.c (fold_unary): Handle intermediate conversion
5494 to a pointer type like intermediate conversion to an integer
5495 type in folding of (T1)(T2)var to var.
5496 Match the code to the comment in the final conversion for
5497 (T1)(T2)var to (T1)var regarding to type precision. Rather
5498 than disallow T1 being of pointer type, assert that both T1
5499 and var are of pointer type or not. Make sure not to fall
5500 over the frontends lazyness wrt array to pointer decay though.
5502 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5504 * arm.c (arm_struct_value_rtx): Delete.
5505 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5506 (arm_init_cumulative_args): Always initialize nregs to zero.
5508 2006-05-10 Richard Guenther <rguenther@suse.de>
5510 PR tree-optimization/27532
5511 * tree-object-size.c (plus_expr_object_size): Fix typo.
5513 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5516 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5517 ashrdi_const, ashrdi3): Use a scratch register.
5519 2006-05-10 Richard Guenther <rguenther@suse.de>
5521 PR tree-optimization/27302
5522 * fold-const.c (operand_equal_p): For two comparisons,
5523 try comparison of one comparison code swapped if that yields
5526 2006-05-10 Ben Elliston <bje@au.ibm.com>
5528 * tree-pretty-print.c (pretty_print_string): No need to handle
5529 '\0' as a special character.
5531 * tree.h: Include "hashtab.h".
5532 (iterative_hash_expr): Use hashval_t in its prototype.
5533 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5535 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5538 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5539 (hppa*64*-*-hpux11*): Ditto.
5540 (hppa[12]*-*-hpux11*): Ditto.
5542 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5545 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5547 2006-05-09 Michael Matz <matz@suse.de>
5549 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5550 host_extra_gcc_objs and host_xmake_file.
5551 (<*-*-linux*>): Don't overwrite host_xmake_file.
5552 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5553 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5554 (host_detect_local_cpu): Declare.
5555 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5556 * config/i386/i386.c (override_options): Handle -mtune=native
5558 * config/i386/x-i386: New file.
5559 * config/i386/driver-i386.c: New file.
5560 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5563 2006-05-09 Dirk Mueller <dmueller@suse.de>
5564 Richard Guenther <rguenther@suse.de>
5567 * fold-const.c (fold_read_from_constant_string): Relax check
5568 for matching types to matching modes.
5570 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5572 PR rtl-optimization/27335
5573 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5576 2006-05-08 Chao-ying Fu <fu@mips.com>
5577 Richard Sandiford <richard@codesourcery.com>
5579 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5580 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5581 * config/mips/mips.md (UNSPEC_SCC): New constant.
5582 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5583 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5584 (mips_emit_compare): Use it.
5585 (mips_expand_vcondv2sf): New function.
5587 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5589 Fix PR tree-optimization/27093
5590 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5591 renaming when they become not-used_alone.
5593 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5595 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5596 relocation and relocation stubs.
5598 2006-05-08 Eric Christopher <echristo@apple.com>
5600 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5603 2006-05-08 Jan Hubicka <jh@suse.cz>
5606 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5607 unused static functions are needed.
5609 2006-05-08 Roger Sayle <roger@eyesopen.com>
5612 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5613 of a reg_equiv_constant if the result is a legitimate constant.
5615 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5618 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5619 standard 80387 constants, raise the cost to prevent
5620 compress_float_constant() to generate load from memory.
5622 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5624 * config/arm/constraints.md (c): Fix a typo.
5626 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5629 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5632 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5634 (_mm_mwait): Likewise.
5636 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5638 (sse3_monitor): Make it 32bit only.
5639 (sse3_monitor64): New. 64bit monitor.
5641 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5644 * config/i386/i386.c (classify_argument): Skip fields with invalid
5647 2006-05-07 Richard Guenther <rguenther@suse.de>
5649 PR tree-optimization/27409
5650 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5651 Do not try to find zero-sized subvars.
5653 2006-05-07 Richard Guenther <rguenther@suse.de>
5655 PR tree-optimization/27136
5656 * tree-ssa-loop-niter.c (get_val_for): Correct function
5657 comment, assert requirements.
5658 (loop_niter_by_eval): Stop processing if the iterated
5659 value did not simplify.
5661 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5663 * opts.c (flag_see): remove its setting at -O3.
5665 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5667 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5668 * arm/constraints.md: New file.
5669 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5670 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5671 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5672 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5673 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5674 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5675 * arm.md: Include constraints.md.
5676 (thumb_movsi_insn): Use satisfies_constraint_J.
5677 (movhi, movqi): Use satisfies_constraint_I.
5679 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5681 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5682 for atmeg a645 device.
5684 2006-05-06 Richard Guenther <rguenther@suse.de>
5686 PR tree-optimization/27151
5687 * tree-vect-transform.c (vectorizable_condition): Punt on
5688 values that have a different type than the condition.
5690 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5693 * c-parser.c (c_parser_cast_expression): Only insert casts into
5694 hash table if pointer.
5695 * function.c (used_types_insert_helper): Rename from
5697 (used_types_insert): Call used_types_insert_helper.
5698 * function.h (used_types_insert): Accept only one argument.
5700 2006-05-05 David Edelsohn <edesohn@gnu.org>
5702 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5703 scratch with output modifier.
5705 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5708 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5709 with output modifier.
5711 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5714 * config/mips/mips.c (mips_symbolic_address_p): Return true
5715 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5716 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5718 2006-05-04 Richard Guenther <rguenther@suse.de>
5720 PR tree-optimization/14287
5721 PR tree-optimization/14844
5722 PR tree-optimization/19792
5723 PR tree-optimization/21608
5724 PR tree-optimization/27090
5725 * tree-ssa-pre.c (try_combine_conversion): New function.
5726 (compute_avail): After constructing the value-handle
5727 expression, use try_combine_conversion to combine NOP_EXPRs
5728 with previous value-handle expressions and use the result if it
5731 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5733 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5735 2006-05-04 Jan Hubicka <jh@suse.cz>
5738 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5740 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5742 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5743 that this only matches CONST_INTs. All users changed to VOIDmode
5746 * config/bfin/bfin.c: Include "optabs.h".
5747 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5749 (enum bfin_builtins): Add a number of fractional and vector builtins.
5750 (bfin_init_builtins): Likewise.
5751 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5752 (safe_vector_operand, bfin_expand_binop_builtin,
5753 bfin_expand_unop_builtin): New functions.
5754 (bfin_expand_builtin): Handle the new builtins.
5755 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5758 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5761 * Makefile.in (OBJS-common): Add see.o.
5762 (see.o): Add dependencies.
5763 * common.opt (fsee): New flag for the see optimization was added.
5764 * opts.c (flag_see): Initialized.
5765 * passes.c (init_optimization_passes, pass_see): New pass.
5766 * rtl.h (see_main): Declaration as extern.
5767 * timevar.def (TV_SEE): New.
5768 * tree-pass.h (pass_see): Declaration as extern.
5769 * invoke.texi (-fsee): Document.
5770 * recog.c (validate_simplify_insn): New function.
5771 * recog.h (validate_simplify_insn): Declaration as extern.
5772 * df-problems.c (df_chain_dump): Check for NULL.
5774 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5775 Daniel Berlin <dberlin@dberlin.org>
5777 * cfgrtl.c (insert_insn_bb_end_new): New function.
5778 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5780 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5782 * df.h (struct web_entry): Moved from web.c.
5783 (union_defs): Declaration as extern.
5784 (unionfind_root): Likewise.
5785 (unionfind_union): Likewise.
5786 * web.c (struct web_entry): Moved to df.h.
5787 (unionfind_root): Remove static declaration.
5788 (unionfind_union): Likewise.
5789 (union_defs): Likewise and generalize to use callback function.
5790 (web_main): Update arguments for union_defs function call.
5792 2006-05-04 Richard Guenther <rguenther@suse.de>
5794 PR tree-optimization/26447
5795 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5796 produce SSA_NAME copies before the store stmt to avoid
5797 breaking exception handling.
5799 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5802 * gimplify.c (omp_is_private): If var is shared in some outer context,
5803 return false instead of true. Stop searching on parallel context
5806 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5809 * coverage.c: Use get_gcov_unsigned_t() instead of
5810 unsigned_type_node all over.
5812 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5814 PR tree-optimization/27381
5815 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5816 maintain the same immediate_use links.
5817 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5818 node rather than segfaulting.
5820 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5823 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5824 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5825 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5827 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5829 Fix PR tree-optimization/26626
5830 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5832 * tree-ssa-operands.c (access_can_touch_variable): Allow
5833 typecasting through union pointers.
5835 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5838 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5839 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5840 to find if var will be a global variable even in the nested context.
5841 (omp_copy_decl): Only check for global variable at the end, it might
5842 be overridden in outer contexts.
5843 (scan_sharing_clauses): For global variables don't create a field.
5844 (lower_rec_input_clauses): Do nothing for global shared variables.
5845 Emit a barrier at the end of ILIST if there were any decls in both
5846 firstprivate and lastprivate clauses.
5847 (lower_send_clauses): Do nothing for global variables except for
5850 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5852 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5853 of the correct signedness is returned.
5855 2006-05-02 Jeff Law <law@redhat.com>
5857 PR tree-optimization/27364
5858 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5859 multiply expressions.
5861 2006-05-02 Tom Tromey <tromey@redhat.com>
5863 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5865 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5868 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5869 -mthumb -fPIC are used.
5871 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5872 Joshua Kinard <kumba@gentoo.org>
5875 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5876 with 64-bit pointers.
5878 2006-05-02 Paul Brook <paul@codesourcery.com>
5880 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5882 (create_fix_barrier): Check that a suitable barrier location is
5884 (arm_reorg): Include ftmp->address in allowable range of addresses.
5886 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5889 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5892 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5895 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5896 around RESULT_DECL for result passed by reference.
5897 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5898 * omp-low.c (use_pointer_for_field): Don't look at
5899 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5900 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5901 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5902 time or var for passing by reference for
5903 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5904 TREE_ADDRESSABLE variables when passing by reference.
5906 * omp-low.c (dump_omp_region): Fix output formatting.
5909 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5910 (expand_omp_parallel): Likewise.
5911 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5914 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5915 on statement list containing also constructors and destructors.
5916 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5919 * except.c (duplicate_eh_regions): Fix clearing of
5920 cfun->eh->region_array entries.
5922 2006-05-01 DJ Delorie <dj@redhat.com>
5924 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5926 (gcc_cv_objdump): Likewise.
5927 * configure: Regenerated.
5929 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5932 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5933 templates for case 3 and 4.
5935 2006-05-01 DJ Delorie <dj@redhat.com>
5937 * vec.c: Include bconfig.h when appropriate.
5938 * Makefile.in (build/vec.o): Adjust dependencies.
5939 * mkconfig.sh: Make sure config.h isn't used for build machine
5942 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5944 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5946 (mark_phi_for_rewrite): New function.
5947 (insert_phi_nodes_for, mark_use_interesting): Call
5948 mark_phi_for_rewrite.
5949 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5950 (update_ssa): Initialize and free phis_to_rewrite.
5952 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5954 PR rtl-optimization/27291
5955 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5956 folded to a constant.
5958 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5960 PR tree-optimization/27283
5961 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5962 not whole # of iteration descriptions.
5963 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5964 uses abnormal ssa name.
5965 (niter_for_single_dom_exit): Ditto.
5966 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5967 return just the number of iterations.
5969 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5971 PR tree-optimization/27144
5972 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5973 (record_estimate): Only record constant upper bound.
5974 (infer_loop_bounds_from_undefined): Call
5975 compute_estimated_nb_iterations just once.
5976 (proved_non_wrapping_p): Renamed to ...
5977 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5978 (convert_step_widening, scev_probably_wraps_p): Call
5979 n_of_executions_at_most instead of proved_non_wrapping_p.
5980 (substitute_in_loop_info): Do not replace values in bounds.
5981 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5984 2006-05-01 Richard Henderson <rth@redhat.com>
5987 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5988 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5991 2006-05-01 Roger Sayle <roger@eyesopen.com>
5993 * c-typeck.c (parser_build_binary_op): Don't call the function
5994 unsigned_conversion_warning to spot operand/result type overflow.
5995 (build_binary_op): Instead, call convert_and_check instead of
5996 convert to report the problem when the operands are promoted.
5997 * c-common.c (unsigned_conversion_warning): Make static.
5998 * c-common.h (unsigned_conversion_warning): Delete prototype.
6000 2006-05-01 Richard Guenther <rguenther@suse.de>
6002 PR tree-optimization/26726
6003 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
6005 (find_interesting_uses_address): ... we work around here
6006 by folding INDIRECT_REFs in the substituted base.
6008 2006-05-01 Diego Novillo <dnovillo@redhat.com>
6010 * omp-low.c (dump_omp_region): Add newlines.
6012 2006-04-30 Roger Sayle <roger@eyesopen.com>
6014 * common.opt (Woverflow): New command line option.
6015 * c-common.c (constant_expression_warning): Check warn_overflow.
6016 (overflow_waring): Pass OPT_Woverflow to warning.
6017 (unsigned_conversion_warning): Likewise.
6018 (convert_and_check): Likewise.
6019 * doc/invoke.texi: Document new command line option.
6021 2006-04-30 David Edelsohn <edelsohn@gnu.org>
6023 * config/rs6000/rs6000.c (rs6000_override_options): Enable
6024 TARGET_NO_FP_IN_TOC for section anchors.
6025 (optimization_options): Enable section anchors for all
6026 non-"Objective" languages.
6028 2006-04-28 Eric Christopher <echristo@apple.com>
6030 * config/darwin-c.c (darwin_ms_struct): Move this
6031 (darwin_set_default_type_attributes): and this...
6032 * config/darwin.c: ... here.
6033 * config/darwin.h (darwin_ms_struct): Declare.
6035 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
6037 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
6039 2006-04-28 Roger Sayle <roger@eyesopen.com>
6042 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
6043 (push_array_bounds): Delete prototype. Change BOUNDS argument to
6044 an unsigned HOST_WIDE_INT.
6045 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
6047 (really_start_incremental_init): No need to call convert because
6048 bitsize_zero_node is already of type bitsizetype.
6049 (push_init_level): Extract the value of constructor_index as an
6050 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
6051 (process_init_element): Likewise.
6053 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
6055 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
6056 value before passing to make_relative_prefix.
6058 2006-04-28 Alan Modra <amodra@bigpond.net.au>
6061 * builtins.c (expand_builtin_memset): Expand val in original mode.
6063 2006-04-27 Eric Christopher <echristo@apple.com>
6065 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
6066 with #ifndef/#endif.
6067 * config/darwin-c.c (darwin_ms_struct): New.
6068 (darwin_pragma_ms_struct): Ditto.
6069 (darwin_set_default_type_attributes): Ditto.
6070 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
6071 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
6072 Register ms_struct pragma.
6073 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
6074 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
6075 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
6076 darwin_set_default_type_attributes if TARGET_MACHO.
6078 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
6080 PR tree-optimization/26854
6081 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
6082 * doc/tree-ssa.texi: Update immuse iterator documentation.
6083 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
6084 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
6085 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
6086 first_safe_imm_use, next_safe_imm_use): Remove.
6087 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
6088 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
6089 (move_use_after_head): New. Helper function to sort immuses in a stmt.
6090 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
6091 (first_imm_use_stmt): New. Get first stmt in an immuse list.
6092 (next_imm_use_stmt): New. Get next stmt in an immuse list.
6093 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
6094 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
6095 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
6096 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
6097 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6098 (perfect_nestify): Use new iterator.
6099 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6101 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6102 (next_imm_name): New field in struct immediate_use_iterator_d.
6103 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6104 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6105 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6106 * tree-cfg.c (replace_uses_by): Use new iterator.
6107 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6108 * tree-ssa-operands.c (correct_use_link): Remove.
6109 (finalize_ssa_use_ops): No longer call correct_use_link.
6111 2006-04-27 Stuart Hastings <stuart@apple.com>
6113 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6114 * config/t-darwin (crt3.o): Use it.
6115 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6116 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6117 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6118 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6119 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6122 2006-04-27 Roger Sayle <roger@eyesopen.com>
6124 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6125 size, force the intermediate into a new pseudo rather instead of
6126 performing both a bitwise AND and a bitwise IOR in memory.
6128 2006-04-27 Richard Guenther <rguenther@suse.de>
6130 PR rtl-optimization/26685
6131 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6132 this one "max-flow-memory-locations".
6134 2006-04-27 Richard Guenther <rguenther@suse.de>
6136 PR tree-optimization/25148
6137 * tree-vrp.c (compare_values): Remove code dealing with
6138 comparisons against type min/max value. Honour overflow
6139 and negative constants in code dealing with comparisons
6140 of plus and minus expressions.
6141 (value_inside_range): Use fold_binary with LE_EXPR and
6142 GE_EXPR rather than compare_values.
6144 2006-04-27 Dirk Mueller <dmueller@suse.de>
6146 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6149 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6151 * basic-block.h (safe_insert_insn_on_edge): Removed.
6152 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6154 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6155 Paolo Bonzini <bonzini@gnu.org>
6158 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6159 (simplify_and_const_int): Same.
6161 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6163 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6165 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6168 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6169 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6170 cgraph_global_info_ready.
6173 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6176 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6177 either decl or init is error_mark_node.
6180 * tree-flow.h (struct omp_region): Add sched_kind.
6181 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6182 instead of extracting omp for data.
6183 (expand_omp_for): Save extracted sched_kind.
6185 2006-04-25 Roger Sayle <roger@eyesopen.com>
6187 * expmed.c (store_bit_field): Also check whether the bitsize is
6188 valid for the machine's "insv" instruction before moving the
6189 target into a pseudo for use with the insv.
6190 * config/i386/predicates.md (const8_operand): New predicate.
6191 * config/i386/i386.md (extv, extzv, insv): Use the new
6192 const8_operand predicate where appropriate.
6194 2006-04-25 DJ Delorie <dj@redhat.com>
6196 * doc/install.texi (Specific): Clarify that this is not a list of
6197 supported hosts or targets.
6199 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6201 PR rtl-optimization/26725
6202 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6203 block's BB_DIRTY flag.
6205 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6207 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6210 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6211 to print an integer.
6213 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6215 * varasm.c (align_variable): New function.
6216 (get_block_for_decl): Apply align_variable to DECL before
6217 calculating section information.
6218 (assemble_variable): Split out alignment computation.
6220 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6222 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6225 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6227 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6228 MODE_PARTIAL_INT mode.
6229 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6230 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6232 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6233 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6235 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6237 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6239 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6240 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6241 MACFLAG_IH): Likewise.
6242 (movstricthi_1): Renamed from "*movstricthi".
6243 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6244 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6245 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6246 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6247 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6248 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6249 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6250 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6251 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6252 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6253 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6254 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6255 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6256 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6257 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6259 * doc/rtl.texi (ss_ashift): Improve wording.
6261 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6263 * dwarf2out.c (verify_marks_clear): New.
6264 (prune_unused_types): Call verify_marks_clear initially, not
6267 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6269 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6270 * doc/rtl.texi: Document them.
6271 * simplify-rtx.c (simplify_unary_operation,
6272 simplify_binary_operation_1): Don't abort when we see them.
6274 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6277 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6278 * configure.ac: Completely disregard languages that are not
6280 * configure: Regenerated.
6282 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6283 Richard Guenther <rguenther@suse.de>
6285 PR tree-optimization/27236
6286 * tree-inline.c (copy_body_r): Make sure to copy
6287 TREE_THIS_VOLATILE flag.
6289 2006-04-24 Richard Guenther <rguenther@suse.de>
6292 * tree-complex.c (update_parameter_components): Don't handle
6293 unused parameters which have no default def.
6295 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6296 Richard Guenther <rguenther@suse.de>
6298 PR tree-optimization/27218
6299 * tree-inline.c (expand_call_inline): Strip useless type
6300 conversions for the return slot address.
6302 2006-04-24 Richard Guenther <rguenther@suse.de>
6304 * cfgloop.h (struct loops): Remove unused field array. Reorder
6306 (LOOP_PREFETCH): Remove.
6308 2006-04-24 Richard Guenther <rguenther@suse.de>
6310 PR tree-optimization/22525
6311 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6312 variable, adjust types of generated expressions.
6314 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6316 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6317 (tree-vect-patterns.o): Likewise.
6319 (cselib.o): Likewise.
6320 (loop-doloop.o): Likewise.
6321 (regclass.o): Likewise.
6322 (reload1.o): Likewise.
6323 (explow.o): Replace target.h with $(TARGET_H).
6324 (ipa-prop.o): Likewise.
6325 (ipa-cp.o): Likewise.
6326 (ipa-inline.o): Likewise.
6327 (reorg.o): Likewise.
6328 (reg-stack.o): Likewise.
6330 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6332 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6334 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6336 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6338 * configure.ac: Completely disregard languages that are not
6340 * configure: Regenerated.
6343 * c-common.h (c_build_bitfield_integer_type): Declare.
6344 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6345 * c-common.c (c_build_bitfield_integer_type): ... here.
6347 2006-04-23 Roger Sayle <roger@eyesopen.com>
6350 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6351 a SImode SUBREG of a floating point register after no_new_pseudos.
6353 2006-04-23 Roger Sayle <roger@eyesopen.com>
6355 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6356 identify potentially eliminable registers to additionally catch
6357 VIRTUAL_INCOMING_ARGS_REGNUM.
6358 (addsi3): Update the conditions on when to use addsi_small_int.
6360 2006-04-23 Roger Sayle <roger@eyesopen.com>
6363 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6364 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6365 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6367 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6369 * fold-const.c (range_predecessor): Use operand_equal_p
6370 as the predicate for equality.
6371 (range_successor): Likewise.
6373 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6376 * config/soft-fp/op-common.h: Fix a typo.
6378 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6381 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6382 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6384 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6386 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6388 * doc/tm.texi: Fix a typo.
6390 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6392 * dwarf2out.c (struct die_struct): Document that die_sib makes
6393 a circular linked list.
6394 (FOR_EACH_CHILD): New.
6395 (reverse_die_lists): Delete.
6396 (reverse_all_dies): Delete.
6397 (add_dwarf_attr): Correct documentation.
6398 (remove_child_with_prev): New.
6399 (remove_child_TAG): Update for change to die_struct, use
6400 remove_child_with_prev.
6401 (add_child_die): Update for change to die_struct.
6402 (splice_child_die): Use remove_child_with_prev and add_child_die.
6403 (print_die): Use FOR_EACH_CHILD.
6404 (die_checksum): Likewise.
6405 (assign_symbol_names): Likewise.
6406 (output_location_lists): Likewise.
6407 (build_abbrev_table): Likewise.
6408 (calc_die_sizes): Likewise.
6409 (mark_dies): Likewise.
6410 (unmark_dies): Likewise.
6411 (unmark_all_dies): Likewise.
6412 (output_die): Likewise.
6413 (prune_unused_types_mark): Likewise.
6414 (prune_unused_types_walk): Likewise.
6415 (same_die_p): Update for change to die_struct.
6416 (break_out_includes): Likewise.
6417 (prune_unused_types_prune): Likewise.
6418 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6419 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6421 (dwarf2out_finish): Don't call reverse_all_dies.
6423 2006-04-21 Eric Christopher <echristo@apple.com>
6425 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6426 in comments and function names.
6428 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6431 * c-typeck.c (digest_init): Robustify.
6433 * c-typeck.c (pop_init_level): Simplify.
6435 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6437 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6439 2006-04-21 Paul Brook <paul@codesourcery.com>
6441 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6442 hardware floating point.
6444 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6446 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6449 2006-04-21 Nick Clifton <nickc@redhat.com>
6451 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6454 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6457 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6458 C++ lang type in traceback table for Objective-C++.
6460 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6462 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6464 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6466 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6469 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6470 were errors. Remove check for erroneous objects.
6472 2006-04-20 Jeff Law <law@redhat.com>
6474 PR tree-optimization/26854
6475 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6476 checking for zero or one use.
6477 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6478 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6479 * tree-ssa-reassoc.c (negate_value): Similarly.
6480 (reassociate_bb): Similarly.
6482 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6484 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6485 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6486 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6488 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6490 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6491 fp regs if the last fp arg doesn't fit in regs.
6493 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6496 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6497 that the last insn has the REG_INC note.
6499 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6500 Nathan Sidwell <nathan@codesourcery.com>
6503 * stor-layout.c (update_alignment_for_field): Do not align
6505 (place_union_field): Place union field at the start of the union.
6506 (place_field): Move ERROR_MARK check later, and use the current
6507 allocation position to maintain monotonicity.
6509 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6511 * dominance.c: Include timevar.h.
6512 (calculate_dominance_info): Use TV_DOMINANCE.
6513 * timevar.def (TV_DOMINANCE): New timevar.
6514 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6516 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6518 PR rtl-optimization/14261
6519 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6520 move would be an INSV insn.
6521 (noce_process_if_block): Don't optimize if the destination is a
6522 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6524 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6526 * config/s390/s390.md: Add comments with the instructions emitted
6527 by an insn pattern if macros are used.
6529 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6531 PR rtl-optimization/26026
6532 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6533 is a known power of two shifted left a variable amount.
6535 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6537 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6538 to hash table twice when the debug_str section has SECTION_MERGE.
6540 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6542 * config/soft-fp: New directory. From glibc.
6543 * config/soft-fp/t-softfp: New.
6544 * config/soft-fp/README: New.
6545 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6546 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6547 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6548 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6549 * config.gcc: Use rs6000/t-fprules-fpbit or
6550 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6552 * config/rs6000/sfp-machine.h: New. Based on glibc.
6553 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6555 * config/rs6000/t-fprules: Remove fp-bit rules.
6556 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6557 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6558 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6559 (softfp_wrap_start, softfp_wrap_end): New.
6561 2006-04-18 DJ Delorie <dj@redhat.com>
6563 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6565 2006-04-18 Devang Patel <dpatel@apple.com>
6567 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6569 2006-04-18 Nick Clifton <nickc@redhat.com>
6571 * config/sh/t-symbian: Add rule to build sh-c.o
6572 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6573 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6574 (sh_symbian_encode_section_info): Likewise.
6576 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6578 * builtins.c (expand_builtin_strcmp): Cover label definition of
6579 do_libcall with HAVE_cmpstrnsi.
6581 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6583 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6585 * function.h (temp_slot_p): New.
6586 (function): Change the type of x_used_temp_slots to
6587 VEC(temp_slot_p,gc) *.
6589 2006-04-18 Nick Clifton <nickc@redhat.com>
6591 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6592 flag_strength_reduce.
6594 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6596 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6600 Partial revert of revision 112637
6601 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6602 Dale Johannesen <dalej@apple.com>
6605 * regclass.c (struct reg_pref): Update documentation.
6606 (regclass): Set prefclass to NO_REGS if memory is the best option.
6607 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6609 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6611 PR tree-optimization/26821
6612 * tree-ssa-math-opts.c (get_constant_one): New.
6613 (insert_reciprocals): Use it.
6615 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6617 * dwarf2out.c (free_AT): Delete.
6618 (remove_AT): Update string ref counts.
6619 (remove_child_TAG): Don't call free_die.
6621 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6622 or DW_TAG_GNU_EINCL.
6623 (prune_unused_types_walk_attribs): Reset string refcounts.
6624 (prune_unused_types_update_strings): New.
6625 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6626 call free_die. Do call prune_unused_types_update_strings.
6627 (prune_unused_types): Empty debug_str_hash.
6629 2006-04-17 Roger Sayle <roger@eyesopen.com>
6631 * expr.c (expand_assignment): Optimize away no-op moves where the
6632 source and destination are equal and have no side-effects.
6634 2006-04-17 Richard Guenther <rguenther@suse.de>
6637 * reload.c (push_reload): Guard calls to get_secondary_mem
6640 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6642 * alias.c (reg_base_value, old_reg_base_value): Change the
6643 type to VEC(rtx,gc) *.
6644 (REG_BASE_VALUE, find_base_value, record_set,
6645 init_alias_analysis): Use VEC instead of VARRAY.
6647 * alias.c (alias_sets): Change the type to
6648 VEC(alias_set_entry,gc) *.
6649 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6650 VEC instead of VARRAY.
6651 (last_alias_set): Remove.
6653 * cgraph.h (cgraph_edge_p): New.
6654 Update the prototype of cgraph_function_versioning.
6655 * cgraphunit.c (cgraph_copy_node_for_versioning,
6656 cgraph_function_versioning): Use VEC instead of VARRAY.
6657 * ipa-cp.c (ipcp_insert_stage): Likewise.
6659 2006-04-16 Roger Sayle <roger@eyesopen.com>
6662 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6663 "A op B" or "A op C", we may need to convert A to the type of B and C.
6665 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6667 * target.h (struct gcc_target): Add mode_rep_extended.
6668 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6669 (init_num_sign_bit_copies_in_rep): Initialize it using
6671 (truncate_to_mode): Use it.
6672 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6673 * targhooks.h (default_mode_rep_extended): Declare it.
6674 * targhooks.c (default_mode_rep_extended): Define it.
6675 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6676 default_mode_rep_extended.
6677 (TARGET_INITIALIZER): Include it.
6678 * doc/tm.texi (Misc): Document it.
6679 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6680 (mips_truncated_to_mode): New function.
6682 2006-04-16 Roger Sayle <roger@eyesopen.com>
6685 * expr.c (compress_float_constant): Copy the narrow constant into
6686 a new pseudo before extending it to its final width.
6688 2006-04-16 Roger Sayle <roger@eyesopen.com>
6689 Andrew Pinski <pinskia@gcc.gnu.org>
6690 Dale Johannesen <dalej@apple.com>
6693 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6694 special case code to implement V8HImode and V16QImode with SSE2.
6696 2006-04-15 Roger Sayle <roger@eyesopen.com>
6698 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6699 trees are constructed with a suitable tree type.
6701 2006-04-15 Roger Sayle <roger@eyesopen.com>
6703 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6704 (integer_onep): Likewise.
6705 (integer_all_onesp): Likewise.
6706 (integer_pow2p): Likewise.
6707 (integer_nonzerop): Likewise.
6708 (real_zerop): Likewise.
6709 (real_onep): Likewise.
6710 (real_twop): Likewise.
6711 (real_minus_onep): Likewise.
6712 (int_size_in_bytes): Likewise.
6713 (host_integerp): Likewise.
6715 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6717 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6718 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6719 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6721 * tree-ssa-structalias.h (alias_info): Remove num_references.
6723 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6725 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6726 (output_bvb patterns): Likewise.
6727 * pa.c (output_bb): Use 'bb' insn for long branch case.
6728 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6729 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6730 1. Correct length operand for alternatives 1 and 2.
6731 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6732 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6734 2006-04-14 Roger Sayle <roger@eyesopen.com>
6736 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6737 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6738 were accidentally reverted by r112959.
6740 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6743 * except.h (eh_region_outermost): New prototype.
6744 * except.c (eh_region_outermost): New function.
6745 * tree-cfg.c (find_outermost_region_in_block): Use it.
6747 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6749 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6751 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6752 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6753 (init_reload, reload): Use VEC instead of VARRAY.
6754 * reload.h: Update the prototype for
6755 reg_equiv_memory_loc_varray.
6757 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6758 Eric Botcazou <ebotcazou@libertysurf.fr>
6760 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6763 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6766 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6767 to expand fallback builtin function call.
6769 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6772 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6773 and emit libcall here in case the builtin fails.
6774 (expand_builtin_strcmp): Always emit the libcall here on failure.
6776 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6778 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6779 * flow.c (reg_n_info): Change the type to
6780 VEC(reg_info_p,heap) *.
6781 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6783 * regs.h (reg_info_p): New.
6784 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6785 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6786 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6789 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6791 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6793 * params.h (MAX_SCHED_READY_INSNS): New macro.
6794 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6795 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6796 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6797 the ready list for 1 cycle during the first scheduling pass.
6798 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6800 2006-04-13 Richard Henderson <rth@redhat.com>
6803 * gimple-low.c (lower_omp_directive): Remove dead code.
6804 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6805 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6806 * omp-low.c (struct omp_region): Move to tree-flow.h.
6807 (root_omp_region): Export.
6808 (omp_regions, lookup_omp_region): Remove.
6809 (determine_parallel_type): Update for struct omp_region changes.
6810 (dump_omp_region): Dump regions with block numbers.
6811 (new_omp_region): Take type and block instead of stmt; malloc
6813 (free_omp_region_1, free_omp_regions): New.
6814 (expand_parallel_call): Take entry_stmt as argument; update for
6815 changes to omp_region.
6816 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6817 (remove_exit_barriers): New.
6818 (expand_omp_parallel): Update for struct omp_region changes.
6819 (expand_omp_synch): Likewise.
6820 (expand_omp): Likewise.
6821 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6822 (expand_omp_for_static_chunk): Likewise.
6823 (expand_omp_for): Likewise.
6824 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6825 (expand_omp_sections): Similarly, with GOMP_sections_end.
6826 (expand_omp_single): New.
6827 (build_omp_regions_1): Update for OMP_CONTINUE.
6828 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6829 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6830 OMP_SECTIONS_SECTIONS.
6831 (lower_omp_single_simple): Don't emit barrier here.
6832 (lower_omp_single_copy): Likewise.
6833 (lower_omp_single): Fix bindings, and lower to straightline now.
6834 (lower_omp_master, lower_omp_ordered): Likewise.
6835 (lower_omp_critical): Likewise.
6836 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6837 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6838 omp edges, free it afterward.
6839 (make_omp_sections_edges): Remove.
6840 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6841 (move_stmt_r): Handle OMP_CONTINUE.
6842 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6843 statement pointers to basic blocks. Add type member.
6844 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6845 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6846 * tree-inline.c (estimate_num_insns_1): Likewise.
6847 * tree-pretty-print.c (dump_generic_node): Likewise.
6848 * tree-ssa-operands.c (get_expr_operands): Likewise.
6849 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6850 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6851 (OMP_CONTINUE): New.
6852 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6853 (OMP_SECTIONS_SECTIONS): Remove.
6854 (OMP_SECTION_LAST): New.
6855 (OMP_RETURN_NOWAIT): New.
6857 2006-04-13 Roger Sayle <roger@eyesopen.com>
6859 * fold-const.c (native_encode_vector, native_interpret_real):
6860 Correct obvious mistakes in the previous check-in.
6862 2006-04-13 Roger Sayle <roger@eyesopen.com>
6864 * fold-const.c (native_encode_expr): New function to encode
6865 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6866 or VECTOR_CST into a specified buffer.
6867 (native_encode_int): New function.
6868 (native_encode_real): New function.
6869 (native_encode_complex): New function.
6870 (native_encode_vector): New function.
6871 (native_interpret_expr): Inverse of native_encode_expr to convert
6872 a target representation into an INTEGER_CST, REAL_CST etc...
6873 (native_interpret_int): New function.
6874 (native_interpret_real): New function.
6875 (native_interpret_complex): New function.
6876 (native_interpret_vector): New function.
6877 (fold_view_convert_expr): New function to constant fold/evaluate
6878 a VIEW_CONVERT_EXPR of a suitable constant expression.
6879 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6880 Change call of build1 to fold_build1 when constructing a
6883 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6884 Ulrich Weigand <uweigand@de.ibm.com>
6887 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6890 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6893 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6894 optimize to lo_sum for DFmode if !TARGET_FPRS.
6896 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6898 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6899 delete_alias_info, compute_flow_sensitive_aliasing,
6900 group_aliases): Use VEC instead of VARRAY.
6901 * tree-ssa-structalias.c (update_alias_info): Likewise.
6902 * tree-ssa-structalias.h (alias_info): Change the type of
6903 processed_ptrs to VEC(tree,heap) *.
6905 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6908 * config/sh/lib1funcs.h: New file, broken out of:
6909 * config/sh/lib1funcs.asm.
6910 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6912 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6913 * config/sh/lib1funcs-Os-4-200.asm: New file.
6914 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6915 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6916 (EXTRA_MULTILIB_PARTS): Include it.
6917 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6918 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6919 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6920 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6923 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6925 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6926 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6927 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6929 * tree-ssa-live.h: Include vecprim.h.
6930 (tree_partition_associator_d): Change the type of
6931 first_partition to VEC(int,heap) *.
6932 (tpa_first_partition): Use VEC instead of VARRAY.
6934 * Makefile.in (GTFILES): Move functions.h after tree.h.
6935 * function.c (reset_block_changes, record_block_change,
6936 check_block_change, free_block_changes): Use VEC instead of
6938 * function.h (function): Change the type of
6939 ib_boundaries_block to VEC(tree,gc) *.
6940 * tree-inline.c (copy_cfg_body): Initialize
6941 ib_boundaries_block to NULL instead of (varray_type) 0.
6943 2006-04-12 Roger Sayle <roger@eyesopen.com>
6945 * expr.c (emit_group_store): Correct operand order in call to
6946 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6947 a SUBREG_BYTE of zero.
6949 2006-04-12 Richard Guenther <rguenther@suse.de>
6951 * profile.c (compute_branch_probabilities): Remove code
6952 encapsulated in !ir_type (), which are remanents of the
6953 removed RTL profiling code.
6954 * rtl-profile.c: Remove.
6956 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6958 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6959 magic NULL_RTX comment.
6960 (function_arg): Store entire fp arg to mem if any part should go
6962 (rs6000_arg_partial_bytes): Adjust for above change.
6964 2006-04-11 Roger Sayle <roger@eyesopen.com>
6966 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6967 if it hasn't been initialized by dwarf2out_init.
6969 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6971 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6972 symbolic constants in branch patterns.
6974 2006-04-11 Roger Sayle <roger@eyesopen.com>
6976 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6978 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6980 PR rtl-optimization/27073
6981 * gcse.c (try_replace_reg): Revert last change. Continue to search
6982 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6985 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6987 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6988 aggregate types other than record and union types.
6989 (function_arg): Likewise.
6990 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6992 (function_value): In 64-bit mode, return objects that require it
6995 2006-04-11 Roger Sayle <roger@eyesopen.com>
6997 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6999 2006-04-11 Jakub Jelinek <jakub@redhat.com>
7001 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
7003 2006-04-03 Jeff Law <law@redhat.com>
7006 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
7007 alias information too.
7009 2006-04-10 Mike Frysinger <vapier@gentoo.org>
7011 * Makefile.in (gcc-cross): Add $(exeext) to target name.
7013 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
7016 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
7017 (premark_used_types_helper): New.
7018 (premark_used_types): New.
7019 (gen_subprogram_die): Call premark_used_types.
7020 (prune_unused_types_walk): Do not prune perennial dies.
7021 * function.c (used_types_insert): New.
7022 * function.h (struct function): Add used_types_hash field.
7023 (used_types_insert): Add prototype.
7024 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
7025 * c-parser.c (c_parser_cast_expression): Save casted types in used
7028 2006-04-11 Mark Mitchell <mark@codesourcery.com>
7031 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
7032 rs6000_explicit_options.float_gprs.
7034 2006-04-10 Roger Sayle <roger@eyesopen.com>
7036 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
7037 from ix86_expand_vector_init_low_nonzero. Take an additional
7038 one_var argument indicating which element is non-zero. Support
7039 one_var != 0 for V4SFmode and V4SImode by permuting the result.
7040 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
7041 with one_var instead of ix86_expand_vector_init_low_nonzero.
7043 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
7045 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
7046 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
7047 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
7048 build/genextract.o): Depend on vecprim.h.
7049 * cfglayout.c, df-problems.c, function.c, genextract.c,
7050 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
7051 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
7055 2006-04-10 Geoffrey Keating <geoffk@apple.com>
7057 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
7058 Declare VECs of this type.
7059 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
7060 (remove_children): Delete.
7061 (add_dwarf_attr): Use VEC routines.
7062 (add_AT_flag): Update for changes to add_dwarf_attr.
7063 (add_AT_int): Likewise.
7064 (add_AT_unsigned): Likewise.
7065 (add_AT_long_long): Likewise.
7066 (add_AT_vec): Likewise.
7067 (add_AT_string): Likewise.
7068 (add_AT_die_ref): Likewise.
7069 (add_AT_fde_ref): Likewise.
7070 (add_AT_loc): Likewise.
7071 (add_AT_loc_list): Likewise.
7072 (add_AT_addr): Likewise.
7073 (add_AT_lbl_id): Likewise.
7074 (add_AT_lineptr): Likewise.
7075 (add_AT_macptr): Likewise.
7076 (add_AT_offset): Likewise.
7077 (add_AT_range_list): Likewise.
7078 (get_AT): Use VEC_iterate.
7079 (remove_AT): Use VEC_ordered_remove.
7080 (free_die): Fold remove_children into here; have it use VEC_iterate.
7081 (print_die): Use VEC_iterate on attrs.
7082 (reverse_die_lists): Don't reverse attr lists.
7083 (die_checksum): Use VEC_iterate on attrs.
7084 (same_die_p): Likewise.
7085 (output_location_lists): Likewise.
7086 (build_abbrev_table): Likewise.
7087 (size_of_die): Likewise.
7088 (unmark_all_dies): Likewise.
7089 (output_abbrev_section): Likewise.
7090 (output_die): Likewise.
7091 (prune_unused_types_walk_attribs): Likewise.
7093 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
7095 * doc/install.texi (*-*-solaris2*): Point to the configure page.
7097 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7100 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7102 2006-04-09 Roger Sayle <roger@eyesopen.com>
7104 * expr.c (store_constructor): Don't bother clearing target if
7105 we're about to assign a vector to it using vec_init_optab.
7107 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7109 * tree-ssa-alias.c (lhs_may_store_to): New function.
7110 (recalculate_used_alone): Handle LHS of calls.
7112 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7116 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7117 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7118 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7119 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7120 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7121 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7122 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7123 stubs. Add ".align 8" directives before all ".dword" directives.
7124 (GTHREAD_USE_WEAK): Revise comment.
7125 (TARGET_ATTRIBUTE_WEAK): Define.
7126 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7127 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7128 * stublib.c: New file.
7133 * pa.md (cbranch patterns): Revise arguments used in calls to
7134 output_cbranch, output_bb and output_bvd. Add long branch length
7136 (fbranch patterns): Handle long branches.
7137 (jump): Revise length check. Revise arguments for output_lbranch call.
7138 Add long branch length attributes.
7139 (decrement_and_branch_until_zero): Add long branch length attributes.
7140 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7141 Likewise. Revise arguments for output_parallel_addb and
7142 output_parallel_movb calls.
7143 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7144 output_parallel_movb and output_parallel_addb): Update prototypes.
7145 * pa.c (output_cbranch): Revise arguments. Correct handling of
7146 nullification in long branches.
7147 (output_lbranch): Add new argument to control extraction of delay
7149 (output_bb): Handle long branches.
7150 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7151 output_parallel_addb): Likewise.
7153 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7155 PR rtl-optimization/27073
7156 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7159 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7161 * tree.h (tree_memory_tag): Add old_used_alone.
7162 (SMT_OLD_USED_ALONE): New macro.
7163 * tree-ssa-alias.c (recalculate_used_alone): Stop
7164 marking things for renaming unnecessarily.
7166 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7168 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7169 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7170 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7171 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7172 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7173 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7174 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7175 spelling convensions.
7176 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7177 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7178 typos. Follow spelling conventions.
7180 2006-04-07 DJ Delorie <dj@redhat.com>
7182 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7183 passed on the stack.
7184 (m32c_init_cumulative_args): When a function returns a structure,
7185 always pass the pointer to that return area on the stack.
7186 (m32c_function_arg_advance): Don't increment the parameter number
7187 if we're processing the returned structure pointer.
7188 (pushm_info): Reverse order of registers.
7190 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7192 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7193 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7194 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7195 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7197 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7198 chrec_fold_multiply): Same.
7199 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7200 force_expr_to_var_cost): Same.
7201 * tree-mudflap.c (mf_xform_derefs_1): Same.
7202 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7204 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7206 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7207 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7210 2006-04-07 Jan Hubicka <jh@suse.cz>
7212 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7214 2006-04-07 Richard Guenther <rguenther@suse.de>
7216 PR tree-optimization/26135
7217 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7218 loads for store copy-prop.
7219 (copy_prop_visit_stmt): Likewise.
7221 2006-04-05 Robert Millan <robertmh@gnu.org>
7223 * config/i386/linux.h: Add a comment to mark macros that are
7224 being overriden in config/k*bsd-gnu.h.
7225 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7227 * config/knetbsd-gnu.h: Ditto.
7229 2006-04-06 Jan Hubicka <jh@suse.cz>
7233 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7236 2006-04-06 Mike Stump <mrs@apple.com>
7238 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7239 for HAVE_nonlocal_goto to be consistent.
7240 (expand_builtin_nonlocal_goto): Likewise.
7241 (expand_builtin_strcmp): Use #ifdef instead of #if
7242 for HAVE_cmpstrnsi to be consistent.
7244 2006-04-05 DJ Delorie <dj@redhat.com>
7246 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7249 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7251 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7252 got-relative addressing for anything but SImode.
7254 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7255 even if the calling function doesn't modify them.
7257 2006-04-05 Richard Guenther <rguenther@suse.de>
7259 PR tree-optimization/26919
7260 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7261 to cgraph_estimate_size_after_inlining.
7263 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7265 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7267 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7269 PR tree-optimization/26996
7270 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7271 VECTOR_TYPE variables.
7273 2006-04-05 Richard Guenther <rguenther@suse.de>
7275 PR tree-optimization/26763
7276 * fold-const.c (fold_comparison): Move folding of
7277 PTR + CST CMP PTR + CST ...
7278 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7280 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7282 * doc/install.texi (Prerequisites): Refine some wording on
7283 bootstrapping and ksh.
7284 Move the version numbers of DejaGnu here from the testing section
7285 and fix casing of names.
7286 Fix markup and clarify wording for autogen requirements.
7287 Refer to GCJ instead of just java.
7288 Refer to SVN instead of CVS.
7289 Describe diffutils as useful instead of necessary.
7290 (Downloading the source): Refer to SVN instead of CVS.
7291 Adjust a link to our web site accordingly.
7292 (Configuration): Fix casing of Bison.
7293 (Building): Refer to SVN instead of CVS.
7294 Fix a sentence on the use of Bison and remove duplicate (and
7295 incorrect) version number of Bison requirement.
7296 Remove one redundant list of packages needed for building.
7297 (Specific): Avoid reference to CVS.
7299 2006-04-04 Eric Christopher <echristo@apple.com>
7301 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7302 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7303 (rs6000_handle_struct_attribute): New.
7304 (rs6000_ms_bitfield_layout_p): Ditto.
7306 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7308 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7309 NULL for dso parameter to atexit_common.
7311 2006-04-04 Eric Christopher <echristo@apple.com>
7313 * config/i386/i386.c (machopic_output_stub): Output \t
7314 between instructions and operands.
7316 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7318 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7319 satisfies_constraint_[IL] to explicit tests on value.
7321 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7323 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7324 set_nb_iterations_in_loop): Use build_int_cst instead of
7326 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7327 build_int_cst instead of convert.
7329 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7331 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7332 new value 2 for incoming.
7333 * function.c (expand_function_start): Call struct_value_rtx
7335 * config/sparc/sparc.md: Comment updated_return.
7336 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7337 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7338 struct return if sparc_std_struct_return and incoming is 2.
7339 (print_operand): Do not adjust return if
7340 sparc_std_struct_return.
7342 2006-04-04 Roger Sayle <roger@eyesopen.com>
7344 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7345 convert in the middle-end.
7346 * expr.c (store_expr, store_constructor, get_inner_reference,
7347 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7349 * tree.c (build_range_type): Likewise.
7351 2006-04-04 Tom Tromey <tromey@redhat.com>
7353 * doc/install.texi (Prerequisites): Mention jar.
7355 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7357 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7360 2006-04-04 Matthias Klose <doko@debian.org>
7362 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7366 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7369 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7371 * doc/extend.texi (Function Attributes): Rewrite visibility
7372 attribute documentation.
7373 * doc/invoke.texi (C++ Dialect Options): Rewrite
7374 -fvisibility-inlines-hidden documentation to describe something
7375 entirely different, although in practise compatible.
7376 (Code Gen Options): Warn about system headers in -fvisibility=
7379 * doc/extend.texi (Other Builtins): Document that
7380 __builtin_nan is a compile-time constant only when its argument
7383 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7385 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7386 trying to remove TRUNCATE check if all bits outside the new mode
7387 are identical to the sign bit.
7389 2006-04-03 Jeff Law <law@redhat.com>
7391 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7392 and operand scanning in some common cases.
7394 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7395 Dale Johannesen <dalej@apple.com>
7398 * regclass.c (struct reg_pref): Update documentation.
7399 (regclass): Set prefclass to NO_REGS if memory is the best option.
7400 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7401 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7402 into account. For non-registers, equate an empty preferred
7403 reload class to a `!' in the constraint; move the if clause to
7404 do so after those that reject the insn.
7405 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7407 (find_dummy_reload): Likewise.
7408 * doc/tm.texi (Register Classes): Document what it means
7409 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7410 * config/i386/i386.c (ix86_preferred_reload_class): Force
7411 using SSE registers (and return NO_REGS for floating-point
7412 constants) if math is done with SSE.
7413 (ix86_preferred_output_reload_class): New.
7414 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7415 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7416 * config/i386/i386.md: Remove # register preferences.
7418 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7421 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7422 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7423 the type of nb_iter.
7424 (instantiate_parameters_1): Convert the operands before calling
7425 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7426 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7428 2006-04-02 Roger Sayle <roger@eyesopen.com>
7430 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7431 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7433 * dojump.c (do_jump): Likewise.
7434 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7435 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7436 gimplify_boolean_expr): Likewise.
7437 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7438 * varasm.c (array_size_for_constructor): Likewise.
7439 * tree-object-size.c (compute_object_offset): Likewise.
7441 2006-04-02 Roger Sayle <roger@eyesopen.com>
7444 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7445 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7447 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7449 PR tree-optimization/26939
7450 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7452 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7454 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7455 at_stmt. Convert the type of operands before calling
7456 build_polynomial_chrec.
7457 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7459 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7460 (instantiate_parameters_1): Convert the type of operands before calling
7461 build_polynomial_chrec.
7462 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7463 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7464 reset_evolution_in_loop): Insert asserts to check the types of the
7466 (chrec_type): Moved...
7467 (eq_evolutions_p): Use operand_equal_p.
7468 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7469 the types of the operands.
7470 (chrec_type): ...here.
7471 * tree-data-ref.c (create_data_ref): Convert the operands before
7472 calling chrec_replace_initial_condition.
7473 (same_access_functions, analyze_subscript_affine_affine,
7474 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7475 (compute_subscript_distance, analyze_ziv_subscript,
7476 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7477 analyze_miv_subscript): Convert the operands before calling
7478 chrec_fold_minus or chrec_fold_plus.
7480 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7482 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7483 the dependence_relations vector.
7484 (compute_data_dependences_for_loop): Adjust call to
7485 compute_all_dependences.
7487 2006-04-01 Roger Sayle <roger@eyesopen.com>
7488 Richard Henderson <rth@redhat.com>
7490 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7491 gimple_boolify on the condition before calling gimplify_expr.
7493 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7495 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7496 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7497 the frame size. Update to use the new macros.
7498 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7499 * config/xtensa/ieee754-df.S: Likewise.
7501 2006-03-31 Richard Henderson <rth@redhat.com>
7503 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7504 (make_edges): ... here. Control fallthru creation with a local
7505 variable. Do not play with fake edges.
7506 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7507 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7510 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7512 * dwarf2.h (DW64_CIE_ID): Define.
7513 * dwarf2out.c (DWARF_CIE_ID): Define.
7514 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7515 length header. Use DWARF_CIE_ID.
7516 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7517 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7519 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7521 * config/sh/linux-atomic.asm: New file.
7522 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7524 2006-03-31 DJ Delorie <dj@redhat.com>
7526 * config/m32c/cond.md: Set condition flags properly throughout.
7527 * config/m32c/minmax.md: Likewise.
7528 * config/m32c/prologue.md: Likewise.
7529 * config/m32c/bitops.md: Likewise.
7530 * config/m32c/muldiv.md: Likewise.
7531 * config/m32c/mov.md: Likewise.
7532 * config/m32c/addsub.md: Likewise.
7533 * config/m32c/m32c.md: Likewise.
7534 * config/m32c/jump.md: Likewise.
7535 * config/m32c/shift.md: Likewise.
7537 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7538 conditionally output the pattern for this.
7539 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7540 (m32c_compare_redundant): New.
7541 (m32c_output_compare): New.
7542 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7544 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7545 dest, not src. Allow other 4-byte modes.
7547 2006-03-30 Denis Chertykov <denisc@overta.ru>
7549 * doc/md.texi: Refer to avr/constraints.md instead of
7552 2006-03-30 Roger Sayle <roger@eyesopen.com>
7554 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7555 signed vs. unsigned comparison failures on some hosts.
7557 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7560 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7561 change to FLOAT_REGS.
7563 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7564 (rs6000_override_options): Use it.
7565 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7566 only for -mabi=spe/no-spe and -mabi=altivec.
7568 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7570 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7573 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7575 * Makefile.in: Rename docdir to gcc_docdir.
7577 2006-03-30 Roger Sayle <roger@eyesopen.com>
7580 * expr.c (emit_group_store): Optimize group stores into a pseudo
7581 register by using a paradoxical subreg to initialize the destination
7582 if the first or last member of the group specifies a "low part".
7584 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7587 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7588 * target.h (struct gcc_target.speculate_insn): Change type of the
7589 second parameter to 'int'.
7590 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7591 the second operand of the DEPS_LIST.
7592 (copy_DEPS_LIST_list): Update reference to the second operand of the
7594 * rtl.h (alloc_DEPS_LIST): Update signature.
7595 * sched-int.h (ds_t): Change typedef to 'int'.
7596 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7598 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7600 * haifa-sched.c (try_ready): Change condition to restore
7601 non-speculative pattern of the instruction.
7602 (process_insn_depend_be_in_spec): Code to keep probability of the
7603 speculative dependence non-decreasing.
7605 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7607 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7608 (single_move_for_movmem): ... this. Also change all uses.
7609 (bfin_expand_strmov): Renamed to...
7610 (bfin_expand_movmem): ... this. Also change all uses.
7611 * config/bfin/bfin.md (movstrsi): Renamed to...
7612 (movstrsi): ...this.
7614 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7616 PR tree-optimization/26830
7618 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7619 (copy_prop_visit_stmt): Remove write-only variable ann.
7620 (init_copy_prop): Check variable loop depth here. Do not simulate
7621 memory-tag and virtual operand PHIs except for store copy prop.
7623 2006-03-30 Richard Guenther <rguenther@suse.de>
7625 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7626 variants with double arguments.
7628 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7630 * genpreds.c (write_tm_constrs_h): Delete variable p.
7631 * genconditions.c (write_header): Add tm-constrs.h to included
7633 * genpeep.c (main): Add toplev.h to included headers.
7634 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7635 (build/genpeep.o): Add toplev.h dependency.
7636 * config/rs6000/constraints.md: Add "W" constraint.
7638 2006-03-29 Roger Sayle <roger@eyesopen.com>
7640 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7641 sizes by correctly testing whether the size fits a host integer.
7642 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7643 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7644 SImode range for the default sizetype and bitsizetype.
7646 2006-03-29 Roger Sayle <roger@eyesopen.com>
7648 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7649 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7650 quickly if the argument is already of the correct type.
7651 Call fold_build1 instead of build1. Tidy up blank lines.
7653 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7655 * genemit.c (main): Add tm-constrs.h to included headers.
7656 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7657 * genpeep.c (main): Add tm-constrs.h to included headers.
7658 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7659 (write_tm_constrs_h): this and write complete file.
7660 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7661 (write_insn_preds_c): Add tm-constrs.h to included headers.
7662 (gen_constrs): New variable.
7663 (parse_option): Parse "-c".
7664 (main): Invoke write_tm_constrs_h.
7665 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7666 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7667 (object_out_file): Add tm-constrs.h dependency.
7668 (insn-emit.o): Same.
7669 (insn-output.o): Same.
7670 (insn-peep.o): Same.
7671 (insn-preds.o): Same.
7672 (insn-recog.o): Same.
7673 (tm-constsr.h): New target.
7674 (s-constrs-h): New target.
7676 * config/rs6000/constraints.md: New file.
7677 * config/rs6000/rs6000.c: Include tm-constrs.h.
7678 (num_insn_constant_wide): Convert to satisfies_constraint.
7679 (rs6000_rtx_costs): Convert to satisfies_constraint.
7680 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7681 (CONST_OK_FOR_LETTER_P): Delete.
7682 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7683 (EXTRA_CONSTRAINT): Delete.
7684 (EXTRA_MEMORY_CONSTRAINT): Delete.
7685 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7686 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7687 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7688 satisfies_constraint.
7690 * config/i386/i386.c: Include tm-constrs.h.
7692 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7694 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7695 * tree-data-ref.c (find_data_references_in_loop,
7696 compute_data_dependences_for_loop): Use pointers to VEC.
7697 (analyze_all_data_dependences): Adjust calls.
7698 * tree-data-ref.h (find_data_references_in_loop,
7699 compute_data_dependences_for_loop): Adjust declarations.
7700 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7701 compute_data_dependences_for_loop.
7703 2006-03-29 Paul Brook <paul@codesourcery.com>
7705 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7708 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7710 PR tree-optimization/26859
7711 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7713 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7714 for the step after fold_convert.
7716 2006-03-29 Paul Brook <paul@codesourcery.com>
7718 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7719 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7721 2006-03-29 Paul Brook <paul@codesourcery.com>
7724 * targhooks.c (default_narrow_bitfield): New fuction.
7725 * targhooks.h (default_narrow_bitfield): add prototype.
7726 * target.h (gcc_target): Add narrow_volatile_bitfield.
7727 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7728 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7729 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7730 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7732 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7734 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7736 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7737 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7738 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7739 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7740 (s390_function_arg_float): Allow SDmode and DDmode values to be
7741 passed in floating point registers.
7742 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7743 check with SCALAR_FLOAT_MODE_P.
7744 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7746 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7748 PR tree-optimization/25985
7749 * tree-ssa-loop-niter.c (number_of_iterations_le,
7750 number_of_iterations_ne): Make comments more precise.
7751 (number_of_iterations_cond): Add only_exit argument. Use the
7752 fact that signed variables do not overflow only when only_exit
7754 (loop_only_exit_p): New.
7755 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7756 number_of_iterations_cond.
7758 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7760 PR tree-optimization/26643
7761 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7764 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7766 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7767 (divsi3_i4_int): Likewise.
7769 2006-03-28 Roger Sayle <roger@eyesopen.com>
7771 * expr.c (emit_group_store): Only create a new pseudo reg if the
7772 quantity it needs to hold isn't already a suitable pseudo.
7774 2006-03-28 Jeff Law <law@redhat.com>
7776 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7777 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7779 2006-03-28 Roger Sayle <roger@eyesopen.com>
7781 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7782 the equivalent ~X & Y, and the symmetry related transformations.
7783 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7784 ~X & Y, and symmetry related transforms.
7786 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7788 Revert my 2006-03-27 patches.
7790 2006-03-28 Roger Sayle <roger@eyesopen.com>
7792 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7793 ~(T1)X, when T1 and T2 are integer types of the same precision
7794 and (T2)X isn't an extension.
7796 2006-03-28 Jeff Law <law@redhat.com>
7798 PR tree-optimization/26796
7799 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7800 need EH edge cleanups rather than purging them immediately.
7801 (eliminate_degenerate_phis): Handle queued EH cleanups.
7803 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7805 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7808 2006-03-27 Roger Sayle <roger@eyesopen.com>
7811 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7812 cast BIT_NOT_EXPR operand to the correct type.
7814 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7816 * tree-loop-linear.c: Don't include varray.h.
7817 (gather_interchange_stats, try_interchange_loops,
7818 linear_transform_loops): Use VEC instead of VARRAY.
7819 * lambda-mat.c: Don't include varray.h.
7820 * tree-chrec.c: Same.
7821 * lambda-trans.c: Same.
7822 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7823 VEC instead of VARRAY.
7824 * tree-vectorizer.h: Idem.
7825 * tree-data-ref.c (dump_data_references,
7826 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7827 initialize_data_dependence_relation, finalize_ddr_dependent,
7828 compute_all_dependences, find_data_references_in_loop,
7829 compute_data_dependences_for_loop, analyze_all_data_dependences,
7830 free_dependence_relation, free_dependence_relations,
7831 free_data_refs): Idem.
7832 * tree-data-ref.h (data_reference_p, subscript_p): New.
7833 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7834 VEC instead of VARRAY.
7835 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7836 (find_data_references_in_loop, compute_data_dependences_for_loop,
7837 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7838 dump_data_dependence_relations, free_dependence_relations,
7839 free_data_refs): Adjust declaration.
7840 (lambda_transform_legal_p): Move declaration here...
7841 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7842 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7843 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7844 vect_analyze_data_refs): Use VEC instead of VARRAY.
7845 * lambda.h (lambda_transform_legal_p): ...from here.
7846 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7847 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7848 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7849 tree-chrec.o): Don't depend on VARRAY_H.
7851 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7853 * rtl.def (Copyright): Update date.
7854 (DEPS_LIST): Change type of the second operand to 'int'.
7855 * target.h (Copyright): Update date.
7856 (struct gcc_target.speculate_insn): Change type of the second parameter
7858 * lists.c (Copyright): Update date.
7859 (alloc_DEPS_LIST): Change signature. Update reference to the second
7860 operand of the DEPS_LIST.
7861 (copy_DEPS_LIST_list): Update reference to the second operand of the
7863 * rtl.h (Copyright): Update date.
7864 (alloc_DEPS_LIST): Update signature.
7865 * sched-int.h (Copyright): Update date.
7866 (ds_t): Change typedef to 'int'.
7867 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7869 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7871 * haifa-sched.c (Copyright): Update date.
7872 (try_ready): Change condition to restore non-speculative pattern
7874 (process_insn_depend_be_in_spec): Code to keep probability of the
7875 speculative dependence non-decreasing.
7877 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7879 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7880 shut up the compiler.
7882 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7884 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7885 to use lib prefix for target.
7886 ($(T)libic_invalidate_array_4-200.a): Likewise.
7887 ($(T)libic_invalidate_array_4a.a): Likewise.
7889 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7890 J"orn Rennecke <joern.rennecke@st.com>
7892 * superh.opt: New file.
7893 * sh.c (boardtype, osruntime): Remove.
7894 * superh.h (SUBTARGET_OPTIONS): Remove.
7895 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7897 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7898 arguments with ^ and/or [].
7900 * config.gcc (sh-*-*): Add quoting to account for quirk of
7902 Replace == with = in enable_incomplete_targets test.
7904 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7905 with MASK_LITTLE_ENDIAN.
7907 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7908 * config/sh/sh.opt: Added to some comments.
7909 * config/sh/superh.h: Removed some chaff.
7911 * config/sh/sh.opt: Add m4-[1234]00* options.
7912 * config/sh/sh.c (sh_handle_option): Likewise.
7913 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7914 (ic_invalidate_array_4-100.o): New rule.
7915 ($(T)libic_invalidate_array_4-100.a): Likewise.
7916 (ic_invalidate_array_4-200.o): Likewise.
7917 ($(T)libic_invalidate_array_4-200.a): Likewise.
7918 (ic_invalidate_array_4a.o): Likewise.
7919 ($(T)libic_invalidate_array_4a.a): Likewise.
7920 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7921 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7923 * config/sh/crt1.asm: Merged in profiling code.
7924 * config/sh/superh.h (STARTFILE_SPEC): Override.
7925 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7926 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7927 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7929 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7930 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7931 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7933 * sh.opt (mpretend-cmove): New option.
7934 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7935 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7936 (movsicc): Add TARGET_PRETEND_CMOVE code.
7938 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7940 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7941 s390_class_max_nregs): New function prototypes.
7942 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7943 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7944 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7945 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7947 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7949 * dwarf2out.c (add_location_or_const_value_attribute): Call
7950 tree_add_const_value_attribute if nothing else works.
7951 (reference_to_unused): New.
7952 (rtl_for_decl_init): Use reference_to_unused to decide whether
7953 to output an initializer.
7955 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7958 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7959 peephole removing spe frob_di_df_2.
7961 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7963 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7964 (subscript_dependence_tester_1): Declared.
7965 (print_dir_vectors, print_dist_vectors): New.
7966 (debug_data_dependence_relation): New.
7967 (dump_data_dependence_relation): Print more details.
7968 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7969 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7970 (save_dist_v, save_dir_v, add_outer_distances,
7971 build_classic_dist_vector_1): New.
7972 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7973 Don't test for lambda_vector_lexico_pos.
7974 (same_access_functions, add_multivariate_self_dist,
7975 add_other_self_distances, dir_from_dist): New.
7976 (build_classic_dir_vector): Replace implementation almost identical to
7977 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7979 (subscript_dependence_tester_1): New.
7980 (subscript_dependence_tester): Handle the lexicographically negative
7981 distance vectors by recomputing the dependence relation.
7982 (compute_affine_dependence): Remove parameter loop_nest_depth.
7983 (compute_self_dependence): Don't call compute_subscript_distance.
7984 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7985 Add a parameter for the loop_nest.
7986 (find_loop_nest_1, find_loop_nest): New.
7987 (compute_data_dependences_for_loop): Compute the loop nest, and give
7988 up if the nest is not well formed.
7989 * tree-data-ref.h (loop_p): New.
7990 (struct data_dependence_relation): Replace size_vect field with
7991 loop_nest, a vec of loops.
7992 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7993 (DDR_LOOP_NEST): New.
7994 (print_dir_vectors, print_dist_vectors,
7995 debug_data_dependence_relation): Declared.
7996 (index_in_loop_nest): New.
7997 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7998 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
8001 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
8003 * simplify-rtx.c (simplify_relational_operation): Call
8004 simplify_relational_operation_1 even if mode is VOIDmode.
8006 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
8008 PR tree-optimization/26804
8009 * tree.h (DECL_CALL_CLOBBERED): New macro.
8010 (tree_decl_common): Add call_clobbered_flag.
8011 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
8012 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
8013 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
8014 (mark_non_addressable): Ditto.
8015 * tree-ssa.c (verify_call_clobbered): New function.
8016 (verify_alias_info): Use it.
8017 * tree-pass.h (pass_reset_cc_flags): New prototype.
8018 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
8019 (reset_cc_flags): New function.
8020 * passes.c (init_optimization_passes): Call reset_cc_flags after
8021 initializing referenced_vars.
8023 2006-03-25 Uros Bizjak <uros@kss-loka.si>
8024 Roger Sayle <roger@eyesopen.com>
8027 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
8028 to 1.0 for non-real operands. Implement A / A optimization for
8031 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
8033 * config/i386/i386.c (size_cost): Correct the comment for
8034 cost of storing fp registers.
8035 (i386_cost): Likewise.
8036 (i486_cost): Likewise.
8037 (pentium_cost): Likewise.
8038 (pentiumpro_cost): Likewise.
8039 (k6_cost): Likewise.
8040 (athlon_cost): Likewise.
8041 (k8_cost): Likewise.
8042 (pentium4_cost): Likewise.
8043 (nocona_cost): Likewise.
8044 (generic64_cost): Likewise.
8045 (generic32_cost): Likewise.
8047 2006-03-24 Denis Chertykov <denisc@overta.ru>
8049 * config/avr/avr-protos.h (extra_constraint): Delete.
8050 (extra_constraint_Q): New declaration.
8051 * config/avr/constraints.md: New file.
8052 * config/avr/avr.md: Include it.
8053 (REG_X, REG_Y, REG_Z, REG_W): New constants.
8054 (TMP_REGNO, ZERO_REGNO): Likewise.
8055 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
8056 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
8057 (extra_constraint): Delete.
8058 (extra_constraint_Q): Test for memory constraint 'Q'.
8059 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
8060 (REG_CLASS_FROM_LETTER): Delete.
8061 (CONST_OK_FOR_LETTER_P): Delete.
8062 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8063 (EXTRA_CONSTRAINT): Delete.
8064 (TMP_REGNO): Delete.
8065 (ZERO_REGNO): Delete.
8067 2006-03-24 Jeff Law <law@redhat.com>
8069 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
8070 directly. Call mark_new_vars_to_rename slightly earlier.
8072 2006-03-24 Geoffrey Keating <geoffk@apple.com>
8074 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
8076 (gen_compile_unit_die): Use new language types for Objective-C and
8078 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
8079 DW_LANG_C_plus_plus.
8082 * config/t-darwin (crt3.o): Work around bug 26840.
8083 * config/darwin-crt3.c: Rewrite.
8084 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
8086 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
8088 * doc/invoke.texi: Document -femit-class-debug-always
8089 * common.opt: Add -femit-class-debug-always.
8091 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
8093 * config/s390/s390.c (s390_decompose_address): Allow SImode for
8094 index and base register.
8095 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
8096 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
8097 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8098 REGNO_OK_FOR_INDEX_P.
8099 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8101 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8102 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8103 REG_OK_FOR_BASE_P): Definitions removed.
8105 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8108 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8109 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8110 set yet or weren't marked as local yet.
8112 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8114 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8117 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8119 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8120 (rs6000_legitimate_small_data_p): Delete.
8121 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8122 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8123 and make static. Add forward declaration. Update uses.
8124 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8125 of offsettable_memref_p.
8126 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8127 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8129 2006-03-24 Jeff Law <law@redhat.com>
8131 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8132 around bug in immediate-use iterator.
8134 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8137 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8138 or __LITTLE_ENDIAN__.
8140 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8142 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8143 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8144 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8145 * config/sh/sh.opt (mdiv=): Amend description.
8146 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8147 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8148 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8149 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8150 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8151 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8152 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8153 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8154 TARGET_DIVIDE_CALL_FP.
8156 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8158 * haifa-sched.c (choose_ready): Fix type of the local variable.
8159 Move local variables. Add comment.
8160 (check_reg_live): Change signature. Make callable from debugger.
8161 * sched-int.h (check_reg_live): Update signature.
8162 * sched-ebb.c (check_reg_live): Update parameters.
8163 * sched-rgn.c (check_reg_live): Ditto.
8164 (region_head_or_leaf_p): Check pointer before dereferencing.
8165 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8166 before reload on optimization levels below 1.
8168 2006-03-23 Richard Henderson <rth@redhat.com>
8170 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8174 * config/alpha/predicates.md (local_symbolic_operand): Reject
8177 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8180 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8181 expressions which have overflowed constants.
8183 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8185 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8187 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8189 * cfgloopmanip.c (create_loop_notes): Removed.
8190 * final.c (final_scan_insn): Do not handle loop notes.
8191 * jump.c (squeeze_notes): Ditto.
8192 * cfglayout.c (skip_insns_after_block,
8193 duplicate_insn_chain): Ditto.
8194 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8196 * cfgloop.h (create_loop_notes): Declaration removed.
8198 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8200 * varasm.c (output_constant_pool): Restore fnname and fndecl
8202 (assemble_start_function): Adjust call accordingly.
8203 (assemble_end_function): Likewise.
8205 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8208 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8211 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8213 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8216 * system.h (ICE_EXIT_CODE): New macro.
8217 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8218 (diagnostic_action_after_output): Likewise.
8219 * gcc.c (fatal_ice): New function.
8220 (execute): Use it instead of fatal.
8221 (fancy_abort): Likewise.
8222 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8224 2006-03-22 Jeff Law <law@redhat.com>
8226 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8227 iv_analyze_result returning false.
8229 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8231 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8233 2006-03-22 Richard Henderson <rth@redhat.com>
8236 * except.c (duplicate_eh_regions_0): New.
8237 (duplicate_eh_region_1): Duplicate the children of the node as
8238 well as the node itself. Link them up properly.
8239 (duplicate_eh_region_2): Merge into ...
8240 (duplicate_eh_regions): ... here. Take copy_region argument, and
8241 copy only a sub-tree if asked. Simplify copying and fixup.
8242 (eh_region_outer_p): New.
8243 * except.h (duplicate_eh_regions): Update decl.
8244 (eh_region_outer_p): Declare.
8245 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8246 (lower_omp_master): Likewise.
8247 (lower_omp_ordered): Likewise.
8248 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8249 (move_stmt_r): Use it to remap labels. Handle recursion vs
8250 remap_decls_p properly.
8251 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8252 (find_outermost_region_in_block): New.
8253 (new_label_mapper): New.
8254 (move_sese_region_to_fn): Copy eh information to the new function
8256 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8258 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8261 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8263 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8264 into shared libraries.
8266 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8268 * doc/md.texi: Refer to i386/constraints.md instead of
8270 * config/i386/constraints.md: New file, extracted from...
8271 * config/i386/predicates.md: ...here.
8272 * config/i386/i386.md: Include constraints.md.
8274 2006-03-21 Jason Merrill <jason@redhat.com>
8276 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8279 * expr.c (init_block_move_fn): Force default visibility.
8280 (init_block_clear_fn): Likewise.
8281 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8282 * targhooks.c (default_external_stack_protect_fail): Likewise.
8284 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8286 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8287 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8288 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8289 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8290 (loadgp): Use mips_current_loadgp_style.
8291 (loadgp_noshared): New pattern.
8292 (sibcall_internal): Use MIPS_CALL.
8293 (sibcall_value_internal): Likewise.
8294 (sibcall_value_multiple_internal): Likewise.
8295 (call_internal): Likewise.
8296 (call_value_internal): Likewise.
8297 (call_value_multiple_internal): Likewise.
8298 (call_split): Use MIPS_CALL and add an 'S' constraint.
8299 (call_value_split): Likewise.
8300 (call_value_multiple_split): Likewise.
8301 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8302 (-mshared): New option.
8303 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8304 (mips_current_loadgp_style): Declare.
8305 * config/mips/mips.c (mips_classify_symbol): Avoid using
8306 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8307 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8308 TARGET_ABSOLUTE_ABICALLS.
8309 (override_options): Adjust comments. Improve the warning that is
8310 issued when -mabicalls and -G are used together.
8311 (mips_file_start): Remove comment.
8312 (mips_current_loadgp_style): New function.
8313 (mips_gnu_local_gp): New variable.
8314 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8316 (mips_output_function_prologue): Use mips_current_laodgp_style.
8317 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8318 the cprestore instruction.
8319 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8320 live for TARGET_ABSOLUTE_ABICALLS.
8321 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8322 (ASM_SPEC): Pass down -mshared and -mno-shared.
8323 (MIPS_CALL): New macro.
8324 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8326 * doc/invoke.texi (-mabicalls): Update documentation.
8327 (-mshared): Document.
8329 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8331 * config/ia64/unwind-hpux.c: New file.
8332 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8334 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8337 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8339 2006-03-21 Jeff Law <law@redhat.com>
8341 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8342 type conversions of a VR_VARYING source to a wider type.
8344 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8346 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8347 tm_file on Solaris 10 and later.
8348 (sparc64-*-solaris2*): Likewise.
8349 (sparc-*-solaris2*): Likewise.
8350 * config/sol26.h: Rename to config/sol2-6.h.
8351 * config/sol2-10.h: New file.
8353 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8356 * tree-ssa-pre.c (create_component_ref_by_pieces):
8359 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8362 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8363 return it immediately.
8365 2006-03-21 Michael Matz <matz@suse.de>
8367 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8369 (remove_arc, add_arc): Update num_out_arcs member.
8370 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8372 (cache_presence): New function.
8373 (compare_states_for_equiv): New function.
8374 (state_is_differed): Don't take number of outargs, adjust callers.
8375 Use new invariant for speeding up.
8376 (init_equiv_class): Create initial classes based on sorted
8378 (partition_equiv_class): Don't track out_arcs_num.
8379 (evaluate_equiv_classes): Call cache_presence on all states and
8382 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8384 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8385 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8386 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8387 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8389 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8390 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8391 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8392 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8393 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8395 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8396 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8397 (REGNO_REG_CLASS): ARGP is in PREGS.
8398 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8400 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8401 to deal with those addresses.
8402 * addresses.h: New file.
8403 * caller-save.c: Include "addresses.h".
8404 (init_caller_save): Use new base_reg_class function.
8405 * rtl-factoring.c: Include "addresses.h".
8406 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8407 * recog.c: Include "addresses.h".
8408 (preprocess_constraints): Use new base_reg_class function.
8409 * regrename.c: Include "addresses.h".
8410 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8411 functions. Keep track of a new var INDEX_CODE to compute valid
8413 (replace_oldest_value_addr): Likewise.
8414 (replace_oldest_value_mem): Use base_reg_class.
8415 * reload.c: Include "addresses.h".
8416 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8417 (find_reloads): Use new base_reg_class function.
8418 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8419 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8420 all callers and prototype changed.
8421 * reload1.c: Include "addresses.h".
8422 (maybe_fix_stack_asms): Use base_reg_class.
8423 * regclass.c: Include "addresses.h".
8424 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8425 (init_reg_autoinc): Use new base_reg_class function.
8426 (record_reg_classes): Likewise.
8427 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8428 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8429 Use new args to compute necessary class.
8431 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8432 regrename.o, rtl-factoring.o): Update dependencies.
8433 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8434 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8435 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8436 REG_OK_FOR_INDEX_P): Delete documentation.
8438 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8440 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8441 from V7 to V9 for Solaris 7 and above.
8443 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8445 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8446 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8447 argument pointers may not alias any other storage.
8448 * common.opt: Define option -fargument-noalias-anything.
8449 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8450 alias semantics is specified by flag_argument_noalias > 2.
8452 2006-03-20 Jeff Law <law@redhat.com>
8454 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8455 (pass_phi_only_cprop): Declare.
8456 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8458 * tree-ssa-dom.c (degenerate_phi_result): New function.
8459 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8460 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8461 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8462 (eliminate_degenerate_phis): Likewise.
8463 (pass_phi_only_cprop): New pass descriptor.
8464 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8465 support code. Callers updated.
8466 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8467 (store_copy_prop): Likewise.
8468 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8470 2006-03-20 Jason Merrill <jason@redhat.com>
8473 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8474 (push_visibility, pop_visibility): Likewise.
8475 * c-pragma.h: Declare them.
8477 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8479 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8481 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8482 parameter and use get_ebb_head_tail.
8483 (sh_md_init_global): Adjust uses of find_regmode_weight.
8485 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8487 * function.h (struct function) <x_tail_recursion_reentry>:
8488 Rename to x_stack_check_probe_note.
8489 (tail_recursion_reentry): Rename to stack_check_probe_note.
8490 * function.c: Replace tail_recursion_reentry with
8491 stack_check_probe_note everywhere.
8492 (expand_function_start): Only emit a note for
8493 stack_check_probe_note with -fstack-protect.
8494 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8496 * emit-rtl.c (remove_unnecessary_notes): Remove.
8497 (pass_remove_unnecessary_notes): Remove.
8498 * rtl.h (remove_unnecessary_notes): Remove prototype.
8499 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8500 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8501 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8503 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8506 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8507 (valid_in_set): Handle ARRAY_REF.
8508 Change "if min_variant or VH" to asserts.
8509 (create_component_ref_by_pieces): Handle ARRAY_REF.
8510 (create_expression_by_pieces): Likewise.
8511 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8513 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8515 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8516 is operand of switch, not str[0].
8518 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8520 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8521 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8523 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8525 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8526 end of insn_extra_address_constraint declaration.
8528 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8530 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8531 (no-sum-in-toc): Same.
8532 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8534 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8535 NO_FP_IN_TOC for -fPIC instead of mask.
8537 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8538 (BOOT_LDFLAGS): Delete.
8540 * config/rs6000/t-aix52: Same.
8542 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8543 (stmsi[345678]_power): New.
8545 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8547 * config/ia64/ia64.opt: Add empty line to end of file.
8549 2006-03-17 Richard Guenther <rguenther@suse.de>
8552 * builtins.c (get_pointer_alignment): For component style references
8553 adjust alignment to the component type alignment. Make sure
8554 to adjust alignment for component access of constants.
8556 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8558 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8561 2006-03-17 Paul Brook <paul@codesourcery.com>
8563 * doc/install.texi: Docuemnt --with-mode.
8564 * config.gcc: Add --with-mode for arm*-*-*.
8565 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8567 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8569 * sh.c (max_labelno_before_reorg): New variable.
8570 (sh_reorg): Initialize it.
8571 (find_barrier): Check max_labelno_before_reorg before using
8572 label_to_alignment. Take length of explicit alignment insns
8573 into account. When seeing a UNSPECV_CONST_END, return it.
8575 * sh.c (fixup_mova): Set mode of affected label to QImode.
8576 (untangle_mova): New function.
8577 (find_barrier): Use it. Check mode of label before decrementing
8579 (sh_reorg): Likewise.
8580 Set mode of all insns back to VOIDmode.
8582 * sh.c (MOVA_LABELREF): New macro.
8583 (mova_p, fixup_mova, sh_reorg): Use it.
8584 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8585 ADDR_DIFF_VEC matches mova.
8587 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8589 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8590 with ATTRIBUTE_UNUSED.
8592 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8594 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8595 pointer, instead of assuming it is possible to derive the
8596 correct args size from a call insn.
8598 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8600 * rtl.h (CONST_INT_P): Define.
8601 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8602 instead of GET_CODE(x) == CONST_INT.
8603 (vax_rtx_costs): Likewise.
8604 (vax_output_int_move): Likewise.
8605 (vax_output_int_add): Likewise.
8606 (legitimate_constant_address_p): Likewise.
8607 (index_term_p): Likewise.
8608 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8609 * config/vax/vax.md (and<mode>3): Likewise.
8610 (ashrsi3): Likewise.
8612 (movstricthi): Likewise.
8613 (movstrictqi): Likewise.
8614 (rotrsi3): Likewise.
8615 (five unnamed insns): Likewise.
8617 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8619 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8620 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8621 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8622 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8623 Pass to ASM_OUTPUT_DWARF_OFFSET.
8624 * dwarf2out.c (debug_frame_section): New.
8625 (output_call_frame_info): Use debug_frame_section. Pass it to
8626 dw2_asm_output_offset.
8627 (output_die): Pass appropriate section to dw2_asm_output_offset.
8628 (output_compilation_unit_header): Likewise.
8629 (output_pubnames): Likewise.
8630 (output_aranges): Likewise.
8631 (enum dw_val_class): Break dw_val_class_lbl_offset into
8632 dw_val_class_lineptr and dw_val_class_macptr.
8633 (add_AT_lbl_offset): Delete.
8634 (add_AT_lineptr): New.
8635 (add_AT_macptr): New.
8636 (AT_lbl): Expect a lineptr or macptr.
8637 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8638 (attr_checksum): Likewise.
8639 (same_dw_val_p): Likewise.
8640 (size_of_die): Likewise.
8641 (value_format): Likewise.
8642 (output_die): Likewise.
8643 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8645 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8646 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8647 * config/darwin-protos.h (darwin_file_start): New.
8648 (darwin_asm_output_dwarf_offset): New.
8649 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8650 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8652 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8653 if not EH section; simplify.
8654 (darwin_file_start): New.
8655 (darwin_asm_output_dwarf_offset): New.
8656 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8658 (DEBUG_INFO_SECTION): Likewise.
8659 (DEBUG_ABBREV_SECTION): Likewise.
8660 (DEBUG_ARANGES_SECTION): Likewise.
8661 (DEBUG_MACINFO_SECTION): Likewise.
8662 (DEBUG_LINE_SECTION): Likewise.
8663 (DEBUG_LOC_SECTION): Likewise.
8664 (DEBUG_PUBNAMES_SECTION): Likewise.
8665 (DEBUG_STR_SECTION): Likewise.
8666 (DEBUG_RANGES_SECTION): Likewise.
8667 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8668 (ASM_OUTPUT_DWARF_OFFSET): New.
8670 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8672 * config.gcc (tm_defines): Always add to previous value rather
8675 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8677 * config/mips/predicates.md (splittable_const_int_operand): New,
8678 split from move_operand.
8679 (splittable_symbolic_operand): New.
8680 (move_operand): Add commentary. Use splittable_const_int_operand.
8681 Inline mips_atomic_symbolic_constant_p.
8682 * config/mips/mips.md: Add combine splitters for handling moves
8683 of splittable_const_int_operands and splittable_symbolic_operands.
8684 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8685 (mips_split_symbol): Declare.
8686 (mips_move_integer): Declare.
8687 * config/mips/mips.c (mips_split_p): Make global.
8688 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8689 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8690 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8691 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8692 (mips_offset_within_object_p): Handle block symbols.
8693 (mips_atomic_symbolic_constant_p): Delete.
8694 (mips_cannot_force_const_mem): Return false for constants that
8695 mips_legitimize_move can handle.
8696 (mips_use_blocks_for_constant_p): New function.
8697 (mips_split_symbol): Make global.
8698 (mips_move_integer): Likewise. Add a temporary register argument.
8699 (mips_legitimize_const_move): Use splittable_const_int_operand and
8700 splittable_symbolic_operand.
8701 (mips_use_anchors_for_symbol_p): New function.
8702 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8703 (mips_split_p): Declare.
8705 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8707 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8708 (mips*-*-linux*): Likewise.
8710 2006-03-16 Roger Sayle <roger@eyesopen.com>
8711 Daniel Speyer <dspeyer@wam.umd.edu>
8714 * tree-dump.c (dump_real): New function.
8715 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8716 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8717 (tree-dump.o): Add $(REAL_H) to the dependencies.
8719 2006-03-16 Roger Sayle <roger@eyesopen.com>
8722 * real.c (real_from_string): If the mantissa is zero, don't bother
8723 parsing the exponent as the result should always be zero.
8725 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8727 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8729 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8731 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8732 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8733 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8734 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8735 ia64_sched_finish_global): New static functions to implement
8736 hooks from gcc_target.sched.
8737 (spec_check_no, max_uid, pending_data_specs): New static variables.
8738 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8739 ia64_spec_check_src_p): New static functions.
8740 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8741 (TARGET_SCHED_ADJUST_COST): Removed.
8742 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8743 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8744 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8745 TARGET_SCHED_GEN_CHECK,
8746 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8747 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8748 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8749 Fixed to handle speculation checks.
8750 (rtx_needs_barrier): Fixed to handle speculative loads and
8752 (ia64_variable_issue): Added code to count speculative loads and their
8754 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8756 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8758 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8760 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8761 (ia64_reorg): Reset stops_p to NULL after it is freed.
8762 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8763 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8764 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8766 (data_speculative, control_speculative, check_load): New attributes.
8767 (mov<mode>_advanced, mov<mode>_speculative,
8768 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8769 zero_extend<mode>di2_speculative,
8770 zero_extend<mode>di2_speculative_advanced): New patterns for
8771 data and control speculative loads.
8772 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8774 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8775 New pattern for data and control speculation checks.
8776 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8777 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8778 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8779 Auxiliary definitions for the patterns.
8780 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8781 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8783 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8785 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8786 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8787 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8788 New resource constraints.
8789 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8791 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8792 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8793 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8794 msched-in-control-spec, msched-ldc, msched-control-ldc,
8795 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8796 msched-prefer-non-control-spec-insns,
8797 msched-count-spec-in-critical-path): New flags to tune speculative
8799 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8800 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8801 msched-in-control-spec, msched-ldc, msched-control-ldc,
8802 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8803 msched-prefer-non-control-spec-insns,
8804 msched-count-spec-in-critical-path): Document new flags.
8806 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8808 * target.h (struct spec_info_def): New opaque declaration.
8809 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8810 speculate_insn, needs_block_p, gen_check,
8811 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8812 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8813 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8814 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8815 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8816 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8818 (TARGET_SCHED): Use new macros.
8819 * rtl.h (copy_DEPS_LIST_list): New prototype.
8820 * sched-int.h (struct sched_info): Change signature of new_ready field,
8821 adjust all initializations. New fields: add_remove_insn,
8822 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8823 region_head_or_leaf_p.
8824 (struct spec_info_def): New structure declaration.
8825 (spec_info_t): New typedef.
8826 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8827 recovery_block, orig_pat.
8828 (glat_start, glat_end): New variables declaraions.
8829 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8831 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8832 DETACH_LIFE_INFO, USE_GLAT.
8833 (enum SPEC_SCHED_FLAGS): New enumeration.
8834 (NOTE_NOTE_BB_P): New macro.
8835 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8836 attach_life_info, debug_spec_status, check_reg_live): New functions.
8837 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8838 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8840 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8841 * ddg.c (get_block_head_tail): Adjust all uses.
8842 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8843 (sms_sched_info): Initialize new fields.
8844 (contributes_to_priority): Removed.
8845 * haifa-sched.c (params.h): New include.
8846 (get_block_head_tail): Adjust all uses.
8847 (ISSUE_POINTS): New macro.
8848 (glat_start, glat_end): New global variables.
8849 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8850 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8851 old_last_basic_block, before_recovery, current_sched_info_var,
8852 rgn_n_insns, luid): New static variables.
8853 (insn_cost1): New function. Move logic from insn_cost to here.
8854 (find_insn_reg_weight1): New function. Move logic from
8855 find_insn_reg_weight to here.
8856 (reemit_notes, move_insn, max_issue): Change signature.
8857 (move_insn1): Removed.
8858 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8859 extend_bb): New static functions to support extension of scheduler's
8861 (generate_recovery_code, process_insn_depend_be_in_spec,
8862 begin_speculative_block, add_to_speculative_block,
8863 init_before_recovery, create_recovery_block, create_check_block_twin,
8864 fix_recovery_deps): New static functions to support
8865 generation of recovery code.
8866 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8867 restore_bb_notes, move_block_after_check, move_succs): New static
8868 functions to support ebb scheduling.
8869 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8870 functions to support handling of register live information.
8871 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8872 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8873 add_jump_dependencies): New static functions.
8874 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8875 consistancy checking.
8876 (debug_spec_status): New function to call from debugger.
8877 (priority): Added code to handle speculation checks.
8878 (rank_for_schedule): Added code to distinguish speculative instructions.
8879 (schedule_insn): Added code to handle speculation checks.
8880 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8881 Fixed to handle ebbs.
8882 (move_insn): Added code to handle ebb scheduling.
8883 (max_issue): Added code to use ISSUE_POINTS of instructions.
8884 (choose_ready): Added code to choose between speculative and
8885 non-speculative instructions.
8886 (schedule_block): Added code to handle ebb scheduling and scheduling of
8887 speculative instructions.
8888 (sched_init): Initialize new variables.
8889 (sched_finish): Free new variables. Print statistics.
8890 (try_ready): Added code to handle speculative instructions.
8891 * lists.c (copy_DEPS_LIST_list): New function.
8892 * sched-deps.c (extend_dependency_caches): New function. Move logic
8893 from create_dependency_caches to here.
8894 (get_dep_weak, ds_merge): Make global.
8895 * genattr.c (main): Code to output prototype for
8896 dfa_clear_single_insn_cache.
8897 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8898 (output_dfa_clean_insn_cache_func): Code to output
8899 dfa_clear_single_insn_cache function.
8900 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8902 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8904 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8905 New static variables.
8906 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8907 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8909 (ebb_sched_info): Initialize new fields.
8910 (get_block_head_tail): Adjust all uses.
8911 (compute_jump_reg_dependencies): Fixed to use glat_start.
8912 (schedule_ebb): Code to remove unreachable last block.
8913 (schedule_ebbs): Added code to update register live information.
8914 * sched-rgn.c (region_sched_info): Initialize new fields.
8915 (get_block_head_tail): Adjust all uses.
8916 (last_was_jump): Removed. Adjust users.
8917 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8918 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8919 Implement new hooks.
8920 (check_dead_notes1): New static function.
8921 (struct region): New fields: dont_calc_deps, has_real_ebb.
8922 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8923 (BB_TO_BLOCK): Fixed to handle EBBs.
8924 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8925 (ebb_head): New static variable.
8926 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8927 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8929 (compute_dom_prob_ps): New assertion.
8930 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8931 global_live_at_start.
8932 (init_ready_list): New assertions.
8933 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8934 (new_ready): Add support for BEGIN_CONTROL speculation.
8935 (schedule_insns): Fixed code that updates register live information
8937 (schedule_region): Fixed to handle EBBs.
8938 (init_regions): Use extend_regions and check_dead_notes1.
8939 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8940 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8941 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8942 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8943 TARGET_SCHED_GEN_CHECK,
8944 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8945 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8946 * doc/invoke.texi (max-sched-insn-conflict-delay,
8947 sched-spec-prob-cutoff): Document.
8949 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8951 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8952 inter_tick, queue_index.
8953 (struct sched_info): Change signature of init_ready_list field.
8954 Adjust all initializations.
8955 (RESOLVED_DEPS): New access macro.
8956 (ready_add): Remove prototype.
8957 (try_ready): Add prototype.
8958 * sched-rgn.c (init_ready_list): Use try_ready.
8959 (schedule_region): Initialize
8960 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8961 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8962 (init_ready_list): Use try_ready.
8963 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8964 * lists.c (remove_list_elem): Remove `static'.
8965 (remove_free_INSN_LIST_elem): New function.
8966 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8967 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8968 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8970 (readyp): New variable.
8971 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8972 change_queue_index, resolve_dep): New static functions.
8973 (try_ready): New function. Adjust callers in sched-rgn.c and
8974 sched-ebb.c to use it instead of ready_add.
8975 (clock_var): Move at the begining of file.
8976 (rank_for_schedule): Fix typo.
8977 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8978 (ready_lastpos): Enforce assertion.
8979 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8981 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8982 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8983 (queue_to_ready): Use free_INSN_LIST_list.
8984 (early_queue_to_ready): Fix typo.
8985 (schedule_block): Init readyp. Move init_ready_list call after the
8986 initialization of clock_var. Fix error in rejecting insn by
8987 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8988 that previously corrected INSN_TICKs. Add code for handling
8990 (set_priorities): Fix typo.
8991 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8992 Clarify comment and code that keeps current_sched_info->next_tail
8995 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8997 * sched-rgn.c (extend_rgns): New static function.
8998 (find_rgns): Use it.
8999 (gather_region_statistics, print_region_statistics): New static
9001 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
9002 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
9004 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
9005 Andrey Belevantsev <abel@ispras.ru>
9007 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
9008 * lists.c (unused_deps_list): New variable.
9009 (free_list): Add assertions to verify the proper distinguishing
9010 between INSN_LISTs and DEPS_LISTs.
9011 (find_list_elem, remove_list_elem, remove_list_node): New static
9013 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
9014 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
9015 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
9016 (alloc_INSN_LIST): Assert that the list we're working on is indeed
9018 (free_INSN_LIST_node): Likewise.
9019 * modulo-sched.c (current_sched_info): Initialize flags field.
9020 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
9021 * rtl.def (DEPS_LIST): Define.
9022 * rtl.h: Declare new functions from lists.c.
9023 * sched-deps.c (spec_dependency_cache): New static variable.
9024 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
9025 (add_dependence): Change return type to void. Move the logic to ...
9026 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
9027 (delete_all_dependences): Add comment about forward_dependency_cache.
9028 Handle spec_dependency_cache. Handle DEPS_LISTs.
9029 (fixup_sched_groups): Clarify the change of priority of output
9030 and anti dependencies.
9031 (sched_analyze_2): Adjust add_dependence calls to create data
9032 speculative dependence.
9033 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
9034 Adjust all callers. Handle DEPS_LISTS.
9035 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
9036 presence of speculation.
9037 (init_dependency_caches, free_dependency_caches):
9038 Handle spec_dependency_cache.
9039 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
9040 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
9041 New static functions.
9042 (add_or_update_back_dep, add_or_update_back_forw_dep,
9043 add_back_forw_dep, delete_back_forw_dep): New functions.
9044 * sched-int.h (ds_t, dw_t): New typedefs.
9045 (struct sched_info): Add new field flags.
9046 (struct haifa_insn_data): Add new bitfield has_internal_dep.
9047 Prototype new sched-deps.c functions.
9048 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
9049 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
9050 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
9051 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
9052 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
9053 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
9055 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
9057 * sched-rgn.c (current_sched_info): Initialize flags field.
9058 (schedule_insns): Initialize current_sched_info before the sched_init
9060 * sched-ebb.c (current_sched_info): Initialize flags field.
9061 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
9062 Call add_or_update_back_dep instead of add_dependence.
9063 Create control speculative dependencies.
9064 (schedule_insns): Initialize current_sched_info before the sched_init
9067 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
9069 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
9071 (sh_fallback_frame_state): Likewise.
9073 2006-03-15 Geoffrey Keating <geoffk@apple.com>
9075 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
9076 Do switch on default_use_cxa_atexit.
9077 (powerpc*-*-darwin*): Build crt2.o on powerpc.
9078 * config/darwin-crt3.o: New.
9079 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
9080 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
9081 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
9083 * config/rs6000/t-darwin: Move crt2.o building to here.
9084 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
9085 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
9088 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9090 * config/vax/vax.c (nonindexed_address_p): Change logical negation
9091 from '! xxx' to '!xxx' for coding-style conformance.
9092 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
9093 (EXTRA_CONSTRAINT): Likewise.
9094 * config/vax/vax.md (four unnamed insns): Likewise.
9096 2006-03-15 Paul Brook <paul@codesourcery.com>
9098 * config/arm/arm.c (minipool_pad): New.
9099 (add_minipool_forward_ref): Include pool alignment padding in address
9101 (push_minipool_fix): Set minipool_pad.
9102 (minipool_pad): Ditto.
9104 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9106 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9107 instead of GET_CODE() == MEM and REG_P() instead of
9109 (print_operand_address): Likewise.
9110 (vax_address_cost): Likewise.
9111 (vax_rtx_costs): Likewise.
9112 (vax_notice_update_cc): Likewise.
9113 (vax_output_int_add): Likewise.
9114 (INDEX_REGISTER_P): Likewise.
9115 (BASE_REGISTER_P): Likewise.
9116 (nonindexed_address_p): Likewise.
9117 (vax_mode_dependent_address_p): Likewise.
9118 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9119 (PRINT_OPERAND): Likewise.
9120 * config/vax/vax.md (ashlsi3): Likewise.
9121 (ashlsi3): Likewise.
9122 (some more unnamed insns): Likewise.
9124 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9126 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9127 iterator-style macro.
9128 (mark_control_dependent_edges_necessary): Update the use of
9129 EXECUTE_IF_CONTROL_DEPENDENT.
9131 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9133 * config/sh/predicates.md (cache_address_operand): Special.
9134 (ua_address_operand): Likewise.
9136 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9138 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9140 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9142 2006-03-15 Andreas Schwab <schwab@suse.de>
9144 * gensupport.c (identify_predicable_attribute): Don't free p_false
9145 when it is still in use.
9147 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9149 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9150 the default setting here.
9152 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9154 * tree-pass.h (pass_cfg): Remove.
9155 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9156 * passes.c (pass_cfg): Don't run it.
9158 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9160 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9161 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9163 (stack_regs_mentioned): Update the uses of
9164 stack_regs_mentioned_data. Don't access the array beyond its
9166 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9167 Don't include gt-reg-stack.h.
9169 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9170 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9172 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9175 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9178 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9180 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9182 2006-03-14 Richard Guenther <rguenther@suse.de>
9184 PR tree-optimization/26672
9185 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9188 2006-03-14 Richard Guenther <rguenther@suse.de>
9190 PR tree-optimization/26667
9191 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9192 node for the callees. Always allow inlining if it will shrink
9195 2006-03-14 Richard Guenther <rguenther@suse.de>
9198 * builtins.c (get_pointer_alignment): Prefer alignment
9199 information from decls over that from types.
9201 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9204 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9206 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9208 * config/rs6000/rs6000.opt (mdlmzb): New option.
9209 (msched-prolog, msched-epilog): Use Var not Mask.
9210 * doc/invoke.texi (-mdlmzb): Document.
9211 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9213 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9214 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9216 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9218 PR rtl-optimization/25739
9219 * bt-load.c (augment_live_range): Free tos pointer.
9221 * gensupport.c (identify_predicable_attribute): Free
9223 * gcov.c (create_file_names): Free name pointer.
9225 2006-03-13 Roger Sayle <roger@eyesopen.com>
9228 * stmt.c (emit_case_nodes): Handle the case where the index is a
9229 CONST_INT, where the comparison mode is specified by the index type.
9231 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9233 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9236 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9238 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9239 (*branch_fp_inverted): Likewise.
9241 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9244 * omp-low.c (expand_omp_for_generic): Mark istart0
9245 and iend0 as addressable.
9247 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9249 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9251 2006-03-13 Jeff Law <law@redhat.com>
9253 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9254 virtual operands are interesting.
9255 (vrp_visit_stmt): Corresponding changes.
9257 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9259 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9261 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9262 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9263 * config/bfin/crti.S: Use it instead of __PIC__.
9264 * config/bfin/crtn.S: Likewise.
9266 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9267 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9269 Lose 'G' modifier for call operand.
9270 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9271 recognize 'G' modifier.
9273 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9276 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9277 * stmt.c (expand_case): Likewise.
9279 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9281 PR rtl-optimization/26254
9282 * loop-invariant.c (seq_insns_valid_p): New function.
9283 (move_invariant_reg): Only emit new code if it is valid.
9285 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9287 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9289 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9290 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9291 (commit_one_edge_insertion): Do not look for loop notes.
9293 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9295 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9296 flag_test_coverage out of loop.
9298 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9300 * final.c (shorten_branches): Remove outdated comment, and turn
9301 the if branch that guards it to continue.
9303 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9305 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9306 * cfgloop.h (struct loop): Remove unused fields.
9308 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9310 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9311 (-dL, -fdump-rtl-loop2): Update the dump file names
9313 * doc/invoke.texi: Update dump file names.
9315 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9317 * predict.c (estimate_probability): Remove.
9318 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9319 * basic-block.h (estimate_probability): Remove prototype.
9320 * passes.c (finish_optimization_passes): Dump branch prediction or
9321 profiling heuristics to the .profile tree dump.
9322 (init_optimization_passes): Unqueue pass_branch_prob.
9324 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9326 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9328 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9329 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9331 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9333 * function.h (frame_offset_overflow): Declare.
9334 * function.c (frame_offset_overflow): New function.
9335 (assign_stack_local_1): Call it to detect that the offset overflows.
9336 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9338 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9340 * config/sh/sh.c: Include alloc-pool.h.
9341 (label_ref_list_pool): New alloc pool.
9342 (label_ref_list_t): New type for lists of labels.
9343 (struct pool_node): Make wend a label_ref_list_t.
9344 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9346 (dump_table): Likewise.
9347 (sh_reorg): Set up the alloc pool before using add_constant and
9348 dump_table, and destroy it when finishing.
9350 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9352 * config/mips/mips.c: Remove redundant comment.
9354 2006-03-10 Jason Merrill <jason@redhat.com>
9357 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9358 the target was declared 'register'.
9360 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9362 * genpreds.c (write_insn_constraint_len): Change definition of
9363 insn_constraint_len to return size_t to match the declaration.
9365 2006-03-10 DJ Delorie <dj@redhat.com>
9367 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9369 (m32c_expand_insv): Fix test for an AND mask.
9371 2006-03-10 Richard Guenther <rguenther@suse.de>
9374 * builtins.c (get_pointer_alignment): Handle component
9375 references for field alignment.
9377 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9379 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9380 when building with libgloss.
9381 (sh*elf): Implement --without-fp option.
9382 (sh64-superh-linux*): Don't multilib.
9384 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9386 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9388 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9390 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9391 Set it when one of the replacement functions returned true.
9392 Return TODO_cleanup_cfg if cfgchanged is true.
9393 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9395 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9397 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9398 instead of gen_lowpart.
9400 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9402 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9404 (mips_output_order_conditional_branch): Declare.
9405 * config/mips/mips.h (MIPS_BRANCH): New macro.
9406 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9407 for the comparison. Use gen_condjump.
9408 (mips_output_conditional_branch): Rework interface to take the
9409 asm templates for a direct branch and the inverse of a direct branch.
9410 (mips_output_order_conditional_branch): New function.
9411 (mips_builtin_branch_and_move): New function.
9412 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9413 branch condition. Use gen_single_cc as the condition for
9414 __builtin_mips_upper_* or __builtin_mips_lower_*.
9415 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9416 Use VOIDmode for the branch condition.
9417 * config/mips/predicates.md (order_operator): New predicate.
9418 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9419 (branch_fp): Rename to...
9420 (*branch_fp): ...this. Remove mode from comparison operator.
9421 Use new mips_output_conditional_branch interface.
9422 (branch_fp_inverted): Rename to...
9423 (*branch_fp_inverted): ...this and update as for *branch_fp.
9424 (*branch_zero<mode>): Rename to...
9425 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9426 Use mips_output_order_conditional_branch. Only accept ordered
9428 (*branch_zero<mode>_inverted): Rename to...
9429 (*branch_order<mode>_inverted): ...this and update as for
9430 *branch_order<mode>.
9431 (*branch_equality<mode>): Accept zero as the second operand to
9432 the equality operator. Use the new mips_output_conditional_branch
9434 (*branch_equality<mode>_inverted): Likewise.
9435 (condjump): New expander.
9436 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9438 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9439 (bc1any2t, bc1any2f): Likewise.
9440 (single_cc): New expander.
9441 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9443 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9445 * doc/md.texi: Update documentation of MIPS constraints.
9446 * config/mips/constraints.md: New file.
9447 * config/mips/mips.md: Include it.
9448 * config/mips/mips.c (mips_char_to_class): Delete.
9449 (override_options): Don't initialize mips_char_to_class.
9450 * config/mips/mips.h (mips_char_to_class): Delete.
9451 (REG_CLASS_FROM_LETTER): Delete.
9452 (CONST_OK_FOR_LETTER_P): Delete.
9453 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9454 (EXTRA_CONSTRAINT_Y): Delete.
9455 (EXTRA_CONSTRAINT_STR): Delete.
9456 (CONSTRAINT_LEN): Delete.
9457 (EXTRA_MEMORY_CONSTRAINT): Delete.
9459 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9461 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9462 original fn's eh regions.
9464 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9466 * fold-const.c (build_range_check): Make sure to use a valid type to
9467 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9470 (range_predecessor): New static function.
9471 (range_successor): Likewise.
9472 (merge_ranges): Use them to compute predecessors and successors of
9475 2006-03-09 Roger Sayle <roger@eyesopen.com>
9478 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9479 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9481 2006-03-08 DJ Delorie <dj@redhat.com>
9483 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9484 (addpsi3): Expand to include memory operands. Remove
9485 reload-specific splits.
9486 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9487 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9488 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9489 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9490 (shift1_qi, shift1_hi, insv): New.
9491 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9492 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9493 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9495 * config/m32c/m32c-protos.h: Update as needed.
9496 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9497 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9498 Fail for unrecognized R* constraints.
9499 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9500 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9501 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9503 (m32c_init_libfuncs): New.
9504 (m32c_legitimate_address_p): Add debug wrapper.
9505 (m32c_rtx_costs): New.
9506 (m32c_address_cost): New.
9507 (conversions): Add 'B' prefix.
9508 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9509 operands, or word regnames for QI operands. 'B' prints bit
9511 (m32c_expand_setmemhi): New.
9512 (m32c_expand_movmemhi): New.
9513 (m32c_expand_movstr): New.
9514 (m32c_expand_cmpstr): New.
9515 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9516 (m32c_expand_neg_mulpsi3): Handle non-ints.
9517 (m32c_cmp_flg_0): New.
9518 (m32c_expand_movcc): New.
9519 (m32c_expand_insv): New.
9520 (m32c_scc_pattern): New.
9521 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9522 a0/a1 out of SIregs.
9523 (STORE_FLAG_VALUE): New.
9524 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9527 * config/m32c/mov.md: Make constraints more liberal.
9528 (zero_extendqihi2): Optimize r0/r1 case.
9529 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9530 * config/m32c/predicates.md (m32c_any_operand): New.
9531 (m32c_nonimmediate_operand): New.
9532 (m32c_hl_operand): New.
9533 (m32c_r3_operand): New.
9536 (memsym_operand): New.
9537 (memimmed_operand): New.
9538 (a_qi_operand): New.
9539 (m32c_eqne_operator): New.
9540 (m32c_1bit8_operand): New.
9541 (m32c_1bit16_operand): New.
9542 (m32c_1mask8_operand): New.
9543 (m32c_1mask16_operand): New.
9544 * config/m32c/blkmov.md: New file.
9545 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9547 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9549 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9550 unsigned to fix signed/unsigned comparison issue in
9551 DWARF2_FRAME_REG_OUT.
9552 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9553 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9555 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9556 of ptr into the ENABLE_CHECKING section.
9558 2006-03-08 Jeff Law <law@redhat.com>
9560 * tree-vrp.c (infer_value_range): Only count pointer uses
9561 and dereferences if -fdelete-null-pointer-checks is enabled.
9563 * tree-vrp.c (find_assert_locations): Infer value ranges for
9564 single use pointers, but do not create ASSERT_EXPRs for them.
9565 When a non-null range is inferred for a pointer, backwards
9566 propagate that range to other equivalent pointers through the
9569 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9572 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9573 language hook targets.
9574 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9575 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9576 if language hook targets were missing.
9578 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9580 * tree-ssa-opfinalize.h: Removed.
9581 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9583 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9584 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9585 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9586 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9587 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9588 finalize_ssa_v_must_def_ops): New.
9590 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9592 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9595 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9597 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9599 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9600 addresses with offsets; reorganize.
9602 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9603 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9604 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9606 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9609 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9611 2006-03-08 Ben Elliston <bje@au.ibm.com>
9613 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9615 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9618 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9621 2006-03-07 Richard Guenther <rguenther@suse.de>
9623 PR tree-optimization/26587
9624 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9626 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9628 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9630 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9632 * hooks.c (hook_bool_mode_rtx_true): New function.
9633 * hooks.h (hook_bool_mode_rtx_true): Declare.
9634 * toplev.c (compile_file): Call output_shared_constant_pool.
9635 * varasm.c (shared_constant_pool): New variable.
9636 (assemble_start_function, assemble_end_function): Remove arguments
9637 from call to output_constant_pool.
9638 (create_constant_pool): New function, split out from...
9639 (init_varasm_status): ...here.
9640 (force_const_mem): Choose between the shared and per-function constant
9641 pools. Set current_function_uses_const_pool when reusing old entries
9642 as well as when creating new ones.
9643 (mark_constant): Ignore data argument.
9644 (mark_constants): Remove pool argument.
9645 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9646 to decide whether the function uses a constant pool.
9647 (output_constant_pool_contents): New function, split out from...
9648 (output_constant_pool): ...here.
9649 (output_shared_constant_pool): New function.
9650 (init_varasm_once): Initialize shared_constant_pool.
9651 * output.h (output_constant_pool): Delete.
9652 (output_shared_constant_pool): Declare.
9653 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9654 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9656 2006-03-06 Nick Clifton <nickc@redhat.com>
9658 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9659 flag_strength_reduce.
9661 2006-03-06 Ben Elliston <bje@au.ibm.com>
9663 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9664 x86_64-*-linux* configurations.
9666 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9667 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9669 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9671 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9673 * basic-block.h: Remove the extern for
9674 rediscover_loops_after_threading.
9676 * cfgloop.c (cancel_loop): Make it static.
9677 * cfgloop.h: Remove the prototype for cancel_loop.
9679 * flow.c (recompute_reg_usage): Make it static.
9680 * rtl.h: Remove the prototype for recompute_reg_usage.
9682 * function.c (use_return_register): Make it static.
9683 * function.h: Remove the prototype.
9685 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9687 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9689 * recog.h: Remove the prototype for
9690 validate_change_maybe_volatile.
9692 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9694 * rtlanal.c (replace_reg): Remove.
9695 * rtl.h: Remove the prototype for replace_reg.
9697 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9699 * regclass.c (reg_scan_update): Remove.
9700 (reg_scan_mark_refs): Remove the last argument.
9701 * rtl.h: Remove the prototype for reg_scan_update.
9703 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9705 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9706 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9707 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9708 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9709 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9710 loop-invariant.c, omp-low.c, opts.c, passes.c,
9711 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9712 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9713 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9714 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9715 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9716 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9718 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9720 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9721 * dwarf2out.h: Remove the prototype for
9722 dwarf2out_add_library_unit_info.
9724 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9726 * tree.c (add_var_to_bind_expr): Remove.
9727 * tree.h: Remove the prototype for add_var_to_bind_expr.
9729 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9731 * regclass.c (n_non_fixed_regs): Remove.
9732 (init_reg_sets_1, globalize_reg): Remove all uses of
9734 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9736 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9738 * rtlanal.c (insns_safe_to_move_p): Remove.
9739 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9741 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9743 * expmed.c (expand_mult_add): Remove.
9744 * expr.h: Remove the prototype for expand_mult_add.
9746 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9748 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9749 and REG_SAVED_VAL_EXP constants.
9750 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9751 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9752 Handle regs stored by value.
9753 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9754 (execute_cfa_program): Handle DW_CFA_val_offset,
9755 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9756 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9757 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9758 (uw_install_context_1): Handle target regs stored by value.
9760 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9762 * tree-sra.c (tree_sra): Return todoflags;
9763 (generate_one_element): Set TODO_update_smt_usage if needed.
9764 (pass_sra): Remove TODO_update_smt_usage.
9765 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9767 (tree_ssa_forward_propagate_single_use_vars): Return
9768 TODO_update_smt_usage if we need to update SMT usage.
9769 (pass_forwprop): Remove TODO_update_smt_usage.
9771 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9773 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9774 (correct_use_link): Remove reference to get_stmt_operands.
9775 (update_stmt_operands): Likewise.
9776 (get_modify_expr_operands): New function factored out of
9777 parse_ssa_operands and get_expr_operands.
9778 Try to create V_MUST_DEFs for LHS by default.
9779 (get_expr_operands) <case MODIFY_EXPR>: Call
9780 get_modify_expr_operands.
9781 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9782 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9783 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9784 get_modify_expr_operands.
9786 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9788 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9789 * tree-flow.h: Remove the prototype for
9790 referenced_var_lookup_if_exists.
9792 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9794 PR rtl-optimization/26345
9796 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9798 2006-03-03 Roger Sayle <roger@eyesopen.com>
9800 PR tree-optimization/26524
9801 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9802 fold_convert to create a constant of the appropriate type.
9804 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9806 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9807 SYMBOL_REF_IN_BLOCK_P.
9808 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9809 of SYMBOL_FLAG_IN_BLOCK.
9810 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9811 instead of SYMBOL_REF_IN_BLOCK_P.
9812 * explow.c (use_anchored_address): Likewise.
9813 * rtl.c (rtx_size): Likewise.
9814 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9815 instead of SYMBOL_FLAG_IN_BLOCK.
9816 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9817 SYMBOL_REF_IN_BLOCK_P.
9818 (assemble_variable): Likewise.
9819 (output_constant_def_contents): Likewise.
9820 (output_constant_pool): Likewise.
9821 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9822 instead of SYMBOL_FLAG_IN_BLOCK.
9823 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9824 SYMBOL_REF_IN_BLOCK_P.
9825 (SYMBOL_REF_BLOCK): Likewise.
9826 (SYMBOL_REF_OFFSET): Likewise.
9827 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9828 SYMBOL_REF_IN_BLOCK_P.
9829 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9830 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9831 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9832 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9834 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9836 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9838 2006-03-02 Roger Sayle <roger@eyesopen.com>
9840 * simplify-rtx.c (simplify_unary_operation): When simplifying
9841 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9842 that we perform the right shift in the appropriate mode, and
9843 then extend or truncate the result to requested mode.
9845 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9847 * gengtype.c (main): Handle double_int type.
9848 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9849 * double-int.c: New file.
9850 * double-int.h: New file.
9851 * system.h: Include doubleint.h.
9852 * Makefile.in (SYSTEM_H): Include double-int.h.
9853 (double-int.o): Add.
9855 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9858 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9861 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9863 * tree-vrp.c (remove_range_assertions): Do not update statements
9866 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9868 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9870 * gcse.c (rest_of_handle_gcse): Ditto.
9871 * except.c (gate_handle_eh): Ditto.
9872 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9873 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9875 2006-03-02 Eric Christopher <echristo@apple.com>
9877 * config/i386/i386.c (machopic_output_stub): Add indirection to
9880 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9884 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9886 Sun Niagara specific optimizations.
9887 * config.gcc: Recognize niagara as target.
9888 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9889 (TARGET_CPU_niagara): Define.
9890 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9891 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9892 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9893 (ASM_CPU_SPEC): Likewise.
9894 (PROCESSOR_NIAGARA): New enum entry.
9895 (REGISTER_MOVE_COST): Handle Niagara.
9896 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9897 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9898 (sparc_override_options): Recognize "niagara", set appropriate
9899 default MASK_* values for it, and align functions to 32-bytes
9900 by default just like ULTRASPARC/ULTRASPARC3.
9901 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9902 (sparc64_initialize_trampoline): Likewise.
9903 (sparc_use_sched_lookahead): Use zero for niagara.
9904 (sparc_issue_rate): Use one for niagara.
9905 * config/sparc/niagara.md: New file.
9906 * config/sparc/sparc.md: Include it.
9907 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9908 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9909 when default cpu is niagara.
9910 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9911 (ASM_CPU_SPEC): Likewise.
9912 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9913 when default cpu is niagara.
9914 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9915 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9916 just like v9/ultrasparc/ultrasparc3.
9917 * doc/invoke.texi: Add documentation for "niagara" and improve
9918 existing documentation for ultrasparc variants.
9920 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9922 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9924 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9926 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9927 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9928 and say that only one is needed.
9929 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9930 * target.h (have_switchable_bss_sections): New hook.
9931 * explow.c (use_anchored_address): Check that the symbol is in a block.
9932 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9933 (bss_noswitch_section): New variables.
9934 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9935 (get_noswitch_section): New function.
9936 (get_block_for_section): Allow SECT to be null.
9937 (unlikely_text_section_p): Use SECTION_STYLE.
9938 (bss_initializer_p): New function.
9939 (get_variable_section): Move earlier in file. Take a new argument,
9940 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9941 Return one of the new *_sections in such cases.
9942 (get_block_for_decl): New function, extracting some logic from
9943 use_blocks_for_decl_p.
9944 (change_symbol_section): Remove in favor of...
9945 (change_symbol_block): ...this new function.
9946 (use_blocks_for_decl_p): Remove checks now performed by
9948 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9949 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9950 (emit_local, emit_bss, emit_common): ...these new functions.
9951 Return true if the alignment was honored.
9952 (emit_tls_common): New function.
9953 (asm_emit_uninitialised): Delete.
9954 (assemble_variable_noswitch): New function, split out from...
9955 (assemble_variable): ...here. Don't make decisions about common
9956 variables here. Globalize all public decls that go into non-common
9957 sections. Check whether SYMBOL_REF_BLOCK is null.
9958 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9959 (output_constant_pool): Likewise.
9960 (init_varasm_once): Initialize the new section variables.
9961 (have_global_bss_p): New function.
9962 (categorize_decl_for_section): Use bss_initializer_p.
9963 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9964 (place_block_symbol): Assert that the symbol must be in a block.
9965 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9966 (TARGET_INITIALIZER): Include it.
9967 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9968 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9969 (SECTION_MACH_DEP): Bump by two.
9970 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9971 (unnamed_section): Mention SECTION_UNNAMED in comment.
9972 (named_section): Likewise SECTION_NAMED.
9973 (noswitch_section_callback): New type.
9974 (noswitch_section): New structure.
9975 (section): Add a noswitch_section alternative.
9976 (SECTION_STYLE): New macro.
9977 (tls_comm_section, comm_section, lcomm_section): Declare.
9978 (bss_noswitch_section, have_global_bss_p): Declare.
9979 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9980 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9982 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9983 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9986 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9988 * tree-vrp.c (execute_vrp): Return value.
9989 * regrename.c (rest_of_handle_regrename): Ditto.
9990 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9991 * tree-complex.c (tree_lower_complex): Ditto.
9992 (tree_lower_complex_O0): Ditto.
9993 * tracer.c (rest_of_handle_tracer): Ditto.
9994 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9995 * postreload.c (rest_of_handle_postreload): Ditto.
9996 * tree-tailcall.c (execute_tail_recursion): Ditto.
9997 (execute_tail_calls): Ditto.
9998 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9999 * tree.h (init_function_for_compilation): Ditto.
10000 * ipa-cp.c (ipcp_driver): Ditto.
10001 * tree-scalar-evolution.c (scev_const_prop): Ditto.
10002 * tree-scalar-evolution.h (scev_const_prop): Ditto.
10003 * final.c (compute_alignments): Ditto.
10004 (rest_of_handle_final): Ditto.
10005 (rest_of_handle_shorten_branches): Ditto.
10006 (rest_of_clean_state): Ditto.
10007 * omp-low.c (execute_expand_omp): Ditto.
10008 (execute_lower_omp): Ditto.
10009 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
10010 * ipa-reference.c (static_execute): Ditto.
10011 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
10012 * reorg.c (rest_of_handle_delay_slots): Ditto.
10013 (rest_of_handle_machine_reorg): Ditto.
10014 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
10015 * flow.c (recompute_reg_usage): Ditto.
10016 (rest_of_handle_remove_death_notes): Ditto.
10017 (rest_of_handle_life): Ditto.
10018 (rest_of_handle_flow2): Ditto.
10019 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
10020 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
10021 (do_ssa_store_ccp): Ditto.
10022 (execute_fold_all_builtins): Ditto.
10023 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
10024 * modulo-sched.c (rest_of_handle_sms): Ditto.
10025 * ipa-pure-const.c (static_execute): Ditto.
10026 * cse.c (rest_of_handle_cse): Ditto.
10027 (rest_of_handle_cse2): Ditto.
10028 * web.c (rest_of_handle_web): Ditto.
10029 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
10030 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
10031 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
10032 * tree-nrv.c (tree_nrv): Ditto.
10033 (execute_return_slot_opt): Ditto.
10034 * tree-ssa-alias.c (compute_may_aliases): Ditto.
10035 (create_structure_vars): Ditto.
10036 * loop-init.c (rtl_loop_init): Ditto.
10037 (rtl_loop_done): Ditto.
10038 (rtl_move_loop_invariants): Ditto.
10039 (rtl_unswitch): Ditto.
10040 (rtl_unroll_and_peel_loops): Ditto.
10041 (rtl_doloop): Ditto.
10042 * gimple-low.c (lower_function_body): Ditto.
10043 (mark_used_blocks): Ditto.
10044 * tree-ssa-sink.c (execute_sink_code): Ditto.
10045 * ipa-inline.c (cgraph_decide_inlining): Ditto.
10046 (cgraph_early_inlining): Ditto.
10047 * global.c (rest_of_handle_global_alloc): Ditto.
10048 * jump.c (cleanup_barriers): Ditto.
10049 (purge_line_number_notes): Ditto.
10050 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
10051 (rest_of_handle_if_after_reload): Ditto.
10052 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
10053 (tree_ssa_loop_im): Ditto.
10054 (tree_ssa_loop_unswitch): Ditto.
10055 (tree_vectorize): Ditto.
10056 (tree_linear_transform): Ditto.
10057 (tree_ssa_loop_ivcanon): Ditto.
10058 (tree_ssa_empty_loop): Ditto.
10059 (tree_ssa_loop_bounds): Ditto.
10060 (tree_complete_unroll): Ditto.
10061 (tree_ssa_loop_prefetch): Ditto.
10062 (tree_ssa_loop_ivopts): Ditto.
10063 (tree_ssa_loop_done): Ditto.
10064 * predict.c (tree_estimate_probability): Ditto.
10065 * recog.c (split_all_insns_noflow): Ditto.
10066 (rest_of_handle_peephole2): Ditto.
10067 (rest_of_handle_split_all_insns): Ditto.
10068 * tree-eh.c (lower_eh_constructs): Ditto.
10069 * regmove.c (rest_of_handle_regmove): Ditto.
10070 (rest_of_handle_stack_adjustments): Ditto.
10071 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
10072 * function.c (instantiate_virtual_regs): Ditto.
10073 (init_function_for_compilation): Ditto.
10074 (rest_of_handle_check_leaf_regs): Ditto.
10075 * gcse.c (rest_of_handle_jump_bypass): Ditto.
10076 (rest_of_handle_gcse): Ditto.
10077 * ipa-type-escape.c (type_escape_execute): Ditto.
10078 * alias.c (rest_of_handle_cfg): Ditto.
10079 * tree-if-conv.c (main_tree_if_conversion): Ditto.
10080 * profile.c (rest_of_handle_branch_prob): Ditto.
10081 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
10082 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
10083 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
10084 * tree-dfa.c (find_referenced_vars): Ditto.
10085 * except.c (set_nothrow_function_flags): Ditto.
10086 (convert_to_eh_region_ranges): Ditto.
10087 (rest_of_handle_eh): Ditto.
10088 * emit-rtl.c (unshare_all_rtl): Ditto.
10089 (remove_unnecessary_notes): Ditto.
10090 * except.h (set_nothrow_function_flags): Ditto.
10091 (convert_to_eh_region_ranges): Ditto.
10092 * cfgexpand.c (tree_expand_cfg): Ditto.
10093 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
10094 * tree-ssa-pre.c (do_pre): Ditto.
10095 (execute_fre): Ditto.
10096 * cfgcleanup.c (rest_of_handle_jump): Ditto.
10097 (rest_of_handle_jump2): Ditto.
10098 * tree-sra.c (tree_sra): Ditto.
10099 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10100 (execute_mudflap_function_decls): Ditto.
10101 * tree-ssa-copy.c (do_copy_prop): Ditto.
10102 (do_store_copy_prop): Ditto.
10103 * ipa-prop.h (ipcp_driver): Ditto.
10104 * cfglayout.c (insn_locators_initialize): Ditto.
10105 * tree-ssa-forwprop.c
10106 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10107 * cfglayout.h (insn_locators_initialize): Ditto.
10108 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10109 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10110 (execute_late_warn_uninitialized): Ditto.
10111 * rtl.h (cleanup_barriers): Ditto.
10112 (split_all_insns_noflow): Ditto.
10113 (purge_line_number_notes): Ditto.
10114 (unshare_all_rtl): Ditto.
10115 (remove_unnecessary_notes): Ditto.
10116 (recompute_reg_usage): Ditto.
10117 (variable_tracking_main): Ditto.
10118 * integrate.c (emit_initial_value_sets): Ditto.
10119 * integrate.h (emit_initial_value_sets): Ditto.
10120 * tree-optimize.c (execute_free_datastructures): Ditto
10121 (execute_free_cfg_annotations): Ditto.
10122 (execute_fixup_cfg): Ditto.
10123 (execute_cleanup_cfg_pre_ipa): Ditto.
10124 (execute_cleanup_cfg_post_optimizing): Ditto.
10125 (execute_init_datastructures): Ditto.
10126 * tree-object-size.c (compute_object_sizes): Ditto.
10127 * combine.c (rest_of_handle_combine): Ditto.
10128 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10129 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10130 (rest_of_handle_reorder_blocks): Ditto.
10131 (rest_of_handle_partition_blocks): Ditto.
10132 * var-tracking.c (variable_tracking_main): Ditto.
10133 * tree-profile.c (tree_profiling): Ditto.
10134 * tree-vect-generic.c (expand_vector_operations): Ditto.
10135 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10136 * sched-rgn.c (rest_of_handle_sched): Ditto.
10137 (rest_of_handle_sched2): Ditto.
10138 * basic-block.h (free_bb_insn): Ditto.
10139 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10140 * tree-cfg.c (execute_build_cfg): Ditto.
10141 (remove_useless_stmts): Ditto.
10142 (split_critical_edges): Ditto.
10143 (execute_warn_function_return): Ditto.
10144 (execute_warn_function_noreturn): Ditto.
10145 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10146 * cfgrtl.c (free_bb_for_insn): Ditto.
10147 * passes.c (execute_one_pass): Run additional
10148 todos returned by execute function.
10149 * tree-pass.h (struct tree_opt_pass): Make execute
10152 2006-03-02 Richard Guenther <rguenther@suse.de>
10154 * tree-ssa-alias.c (find_used_portions): Consider taking
10155 the address as making the variable not write-only.
10157 2006-03-02 Nick Clifton <nickc@redhat.com>
10159 * config.gcc (default_use_cxa_atexit): Extend the description of
10160 this configure variable. Set its default value to "yes" for
10161 Linux, NetBSD and ELF targets on the assumption that they will
10162 use C libraries with the __cxa_atexit function.
10164 2006-03-02 Ben Elliston <bje@au.ibm.com>
10166 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10167 parameter as unused to suppress a build warning.
10169 2006-03-02 Ben Elliston <bje@au.ibm.com>
10171 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10174 2006-03-01 Roger Sayle <roger@eyesopen.com>
10177 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10178 declared name, the weak reference name, and the typeof name.
10179 (__gthrw): Avoid expanding the declared name suffix.
10180 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10182 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10184 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10186 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10187 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10188 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10189 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10190 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10191 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10192 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10193 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10194 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10195 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10196 (DW_END_default, DW_END_big, DW_END_little): New.
10197 (DW_END_lo_user, DW_END_hi_user): Define.
10198 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10199 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10200 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10203 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10205 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10207 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10209 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10211 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10213 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10214 to 'symbol_mem_tag'.
10216 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10219 2006-03-01 Roger Sayle <roger@eyesopen.com>
10221 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10223 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10226 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10227 MACHO_DYNAMIC_NO_PIC_P.
10228 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10230 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10233 * config/darwin-protos.h (darwin_asm_output_anchor):
10235 * config/darwin-sections.def (cstring_section):
10236 Add SECTION_MERGE to the flags.
10237 (literal4_section): Likewise.
10238 (literal8_section): Likewise.
10239 (objc_selector_refs_section): Likewise.
10240 (objc_cls_refs_section): Likewise.
10241 * config/darwin.c (darwin_asm_output_anchor): New
10243 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10245 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10247 Fix PR tree-optimization/26443
10248 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10249 to todo and PROP_tmt_usage to properties_destroyed.
10250 * tree-ssa-ccp.c (pass_ccp): Ditto.
10251 (pass_store_ccp): Ditto.
10252 * tree-ssa-dom.c (pass_dominator): Ditto.
10254 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10256 * tree-ssa-operands.c: Cleanup whitespace.
10257 (get_asm_expr_operands): Move before first invocation.
10258 (get_indirect_ref_operands): Likewise.
10259 (get_tmr_operands): Likewise.
10260 (get_call_expr_operands): Likewise.
10261 (append_def): Likewise.
10262 (append_use): Likewise.
10263 (append_v_may_def): Likewise.
10264 (append_v_must_def): Likewise.
10265 (add_call_clobber_ops): Likewise.
10266 (add_call_read_ops): Likewise.
10267 (add_stmt_operand): Likewise.
10268 (add_virtual_operand): Likewise.
10269 (build_ssa_operands): Likewise.
10271 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10273 PR middle-end/26022
10275 PR middle-end/24437
10276 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10277 with a call expr to ...
10278 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10280 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10282 * tree-vrp.c (extract_range_from_assert): Remove special
10283 handling for types with super-types.
10285 2006-03-01 Ben Elliston <bje@au.ibm.com>
10287 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10288 and powerpc64-*-linux* configurations.
10289 * config/t-dfprules: New file.
10291 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10292 Compile dfp-bit.c from the source directory using -DWIDTH and
10293 $DFP_CFLAGS to control the compilation of that file, rather than
10294 generating width-specific versions in the build directory.
10295 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10296 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10298 2006-02-28 Zack Weinberg <zackw@panix.com>
10300 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10303 2006-02-28 Eric Christopher <echristo@apple.com>
10305 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10306 Set up IN_LIBGCC definition of TARGET_64BIT.
10307 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10309 2006-02-28 Roger Sayle <roger@eyesopen.com>
10311 PR middle-end/14752
10312 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10313 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10314 cases via the construction of "expr != 0".
10316 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10318 * alias.c (alias_invariant, alias_invariant_size): Remove.
10319 (record_base_value): Remove.
10320 (memrefs_conflict_p): Don't look at alias_invariant.
10321 (end_alias_analysis): Don't free it.
10322 * alias.h (record_base_value): Remove prototype.
10324 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10325 Adam Nemet <anemet@caviumnetworks.com>
10327 * rtl.h (truncated_to_mode): Declare it.
10328 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10329 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10330 (RTL_HOOKS_INITIALIZER): Include it.
10331 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10332 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10333 reg_truncated_to_mode.
10334 * rtlanal.c (truncated_to_mode): Define it.
10335 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10337 2006-02-28 Jeff Law <law@redhat.com>
10339 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10340 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10341 the range allowed by TYPE_PRECISION.
10343 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10345 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10347 PR tree-optimization/26419
10348 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10351 2006-02-27 Zack Weinberg <zackw@panix.com>
10353 * doc/md.texi: Fix typo in previous change.
10355 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10359 2006-02-27 Zack Weinberg <zackw@panix.com>
10361 * rtl.def (define_constraint, define_register_constraint)
10362 (define_memory_constraint, define_address_constraint): New MD forms.
10363 * gensupport.c (process_rtx): Put define_constraint etc on the
10365 * genpreds.c (process_define_predicate): Adjust comment. Validate
10366 the name, and call validate_exp to validate the expression.
10367 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10368 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10369 all callers changed.
10370 (validate_exp, needs_variable, struct constraint_data)
10371 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10372 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10373 (const_dbl_constraints, constraint_max_namelen)
10374 (have_register_constraints, have_memory_constraints)
10375 (have_address_constraints, have_address_constraints)
10376 (have_extra_constraints, have_const_int_constraints)
10377 (have_const_dbl_constraints, mangle, add_constraint)
10378 (process_define_constraint, process_define_register_constraint)
10379 (write_enum_constraint_num, write_lookup_constraint)
10380 (write_insn_constraint_len, write_regclass_for_constraint)
10381 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10382 (write_insn_extra_memory_constraint)
10383 (write_insn_extra_address_constraint)
10384 (write_satisfies_constraint_fns): New.
10385 (write_tm_preds_h): If we have new-style constraint definitions,
10386 prototype the functions generated from them, and define the
10387 old constraint interface (still used by generic code) in terms of
10389 (write_insn_preds_c): If we have new-style constraint definitions,
10390 generate all relevant functions from those definitions.
10391 (main): Handle define_constraint etc.
10392 * genoutput.c (struct constraint_data, indep_constraints)
10393 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10394 (mdep_constraint_len): New data structures and functions, defined
10395 #ifdef USE_MD_CONSTRAINTS.
10396 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10397 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10398 use new logic to validate operand constraints against constraint
10400 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10402 * defaults.h: If none of the old-style constraint macros are
10403 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10404 old-style macros; and poison REG_CLASS_FROM_LETTER,
10405 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10407 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10408 * doc/md.texi: Document new constraint-definition mechanism and the
10409 C interface it provides. Remove references to old mechanism
10410 elsewhere in the document.
10411 (Machine Constraints): Use pathnames relative to gcc directory,
10412 i.e. config/ARCH/FILE. Change i386 section to refer to
10413 config/i386/predicates.md; update that section to match docstrings.
10414 * doc/tm.texi: Move all documentation of the old constraint-
10415 definition macros to their own section, clearly mark as obsolete.
10417 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10418 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10420 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10421 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10422 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10423 constraint strings.
10424 (splits and peepholes): Use satisfies_constraint_*.
10425 * config/i386/i386.c (memory_address_length)
10426 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10428 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10430 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10431 scalar operation to be put back into the loop.
10433 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10436 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10437 (extract_cie_info): Handle S flag in augmentation string.
10438 (execute_cfa_program): If context->signal_frame, execute also
10439 fs->pc == context->ra instructions.
10440 (uw_frame_state_for): If context->signal_frame, don't subtract one
10441 from context->ra to find FDE.
10442 (uw_update_context_1): Set context->signal_frame to
10444 (_Unwind_GetIPInfo): New function.
10445 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10446 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10448 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10449 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10450 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10451 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10452 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10453 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10454 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10455 x86_64_fallback_frame_state): Set fs->signal_frame.
10456 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10457 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10458 (frob_update_context): Likewise. Workaround missing S flag in
10459 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10460 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10461 Remove the psw_addr + 1 hack.
10463 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10465 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10466 with aggregates here.
10467 (find_func_aliases): Remove code for &<aggregate> from here.
10469 2006-02-26 Roger Sayle <roger@eyesopen.com>
10471 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10472 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10473 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10474 as (X & C) ne/eq 0.
10476 2006-02-26 Roger Sayle <roger@eyesopen.com>
10478 PR middle-end/19983
10479 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10481 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10483 * opts.c (decode_options): Do not handle flag_strength_reduce.
10484 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10485 and OPT_fstrength_reduce.
10486 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10487 flag_prefetch_loop_arrays for being nonzero.
10488 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10490 (fprefetch-loop-arrays-rtl): Removed.
10491 (flag_prefetch_loop_arrays): Do not specify the value.
10493 * doc/passes.texi: Update documentation of loop optimizer
10495 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10496 -frerun-loop-opt): Remove.
10498 2006-02-26 Richard Guenther <rguenther@suse.de>
10500 PR tree-optimization/26421
10501 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10502 in function calls that are ADDR_EXPRs as using the whole structure.
10504 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10506 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10507 * tree-pass.h (pass_loop_optimize): Remove.
10508 * passes.c (pass_loop_optimize): Never run it.
10509 * toplev.c (backend_init): Don't call init_loop.
10510 * opts.c (flag_loop_optimize_set): Remove.
10511 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10512 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10513 the old RTL loop optimizer when profiling enabled.
10514 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10515 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10516 pre-headers for the sake of the old RTL loop optimizer.
10517 * Makefile.in: Remove all references to loop.o.
10519 * doc/invoke.texi: Remove all references to -floop-optimize
10520 and -frerun-loop-opt.
10522 2006-02-26 Zack Weinberg <zackw@panix.com>
10524 * doc/md.texi (Machine Constraints): Refer to all files with paths
10525 relative to gcc directory (i.e. config/CPU/file). Add missing
10526 @table @code ... @end table to M32C subsection.
10528 2006-02-26 Roger Sayle <roger@eyesopen.com>
10530 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10532 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10534 2006-02-26 Roger Sayle <roger@eyesopen.com>
10535 James A. Morrison <phython@gcc.gnu.org>
10537 PR middle-end/21137
10538 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10539 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10540 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10541 signedness of the shift operation.
10543 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10545 PR tree-optimization/26359
10546 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10548 2006-02-25 Roger Sayle <roger@eyesopen.com>
10550 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10551 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10552 as X == 0, and some symmetry related transformations.
10553 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10555 2006-02-25 Roger Sayle <roger@eyesopen.com>
10557 PR middle-end/23673
10558 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10559 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10560 symmetry related transformations. Fold (X^C1) == C2 as
10563 2006-02-25 Juergen Weigert <jw@suse.de>
10564 Richard Guenther <rguenther@suse.de>
10566 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10568 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10570 * combine.c (gen_lowpart_or_truncate): Call
10571 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10573 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10575 * doc/invoke.texi: Move -fopenmp description to "Options for
10577 Remove reference to -lgomp.
10579 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10581 * doc/install.texi: Require GNU tar version 1.14.
10583 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10585 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10586 * doc/invoke.texi (C++ Dialect Options): Document
10587 -fno-use-cxa-get-exception-ptr.
10588 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10589 * configure: Regenerate.
10590 * c.opt (fuse-cxa-get-exception-ptr): New.
10591 * c-opts.c (c_common_handle_option): Handle
10592 OPT_fuse_cxa_get_exception_ptr.
10593 * c-common.c (flag_use_cxa_atexit): Update documentation.
10594 (flag_use_cxa_get_exception_ptr): New.
10595 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10596 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10598 (C_COMMON_OVERRIDE_OPTIONS): New.
10600 2006-02-24 Roger Sayle <roger@eyesopen.com>
10602 PR middle-end/24952
10603 * combine.c (try_combine): Explicitly check whether GET_CODE is
10604 a SET or a CLOBBER, instead on checking that it isn't a USE.
10606 2006-02-24 Roger Sayle <roger@eyesopen.com>
10608 * fold-const.c (fold_comparison): New subroutine of fold_binary
10609 containing transformations common to both the equality and
10610 ordering relational operators, factored out of fold_binary.
10611 (fold_binary): Separate out the equality operators (EQ_EXPR
10612 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10613 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10614 transformations common to both.
10615 (fold_div_compare): Fix latent bugs in the previously unreachable
10616 LT_EXPR and GE_EXPR cases.
10618 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10620 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10621 decl libname for clog to __clog on AIX.
10623 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10625 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10628 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10629 output traceback table for thunks. Localise rs6000_stack_info call.
10631 2006-02-23 Roger Sayle <roger@eyesopen.com>
10632 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10634 * gthr-posix.h (__gthrw): Fix typo in comment.
10636 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10638 * doc/cpp.texi (Character sets): Document that we do support
10639 input files to be in any character set.
10641 2006-02-23 Jeff Law <law@redhat.com>
10643 * tree.h (PHI_ARG_NONZERO): Remove.
10644 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10645 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10646 node to the new node.
10648 PR tree-optimization/26425
10649 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10650 min/max, then assume its varying.
10652 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10654 PR rtl-optimization/26316
10655 * rtlanal.c (enum may_trap_p_flags): New.
10656 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10657 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10658 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10659 (may_trap_after_code_motion_p): New function.
10660 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10661 (find_invariant_insn): Use may_trap_after_code_motion_p.
10662 * rtl.h (may_trap_after_code_motion_p): Declare.
10664 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10666 * emit-rtl.c (immed_double_const): Cleanup.
10668 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10670 Fix PR tree-optimization/26376
10671 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10674 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10676 PR middle-end/26412
10677 * gimplify.c (omp_add_variable): Guard variable size decl test with
10678 DECL_SIZE (decl) check.
10680 2006-02-23 Richard Guenther <rguenther@suse.de>
10682 PR middle-end/26439
10683 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10684 like aggregate types.
10686 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10688 * configure.ac: Add --with{,out}-long-double-128 configure option.
10689 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10690 * configure: Rebuilt.
10691 * config.in: Rebuilt.
10692 * doc/install.texi (Options specification): Document
10693 --with-long-double-128.
10695 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10696 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10697 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10698 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10700 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10702 * config/s390/s390.c (override_options): Handle
10703 TARGET_DEFAULT_LONG_DOUBLE_128.
10705 * config/alpha/alpha.c (override_options): Handle
10706 TARGET_DEFAULT_LONG_DOUBLE_128.
10708 * config/sparc/sparc.c (sparc_override_options): Handle
10709 TARGET_DEFAULT_LONG_DOUBLE_128.
10711 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10713 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10714 (real-install-headers-tar, real-install-headers-cpio)
10715 (real-install-headers-cp): New targets.
10717 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10719 * tree.h (variable_section): Delete.
10720 * varasm.c (variable_section): Delete.
10722 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10724 * install.texi: Add notes on install.texi2html.
10725 (Building in parallel): Do not use footnotes.
10727 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10730 * doc/install.texi (Configuration): Document --disable-libgomp.
10732 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10734 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10736 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10738 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10739 (vec_extractv2df_0_sse): New.
10741 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10743 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10744 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10745 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10746 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10747 to the result of the expression.
10748 (def_cfa_1): Adjust.
10749 (frame_pointer_cfa_offset): Rename to...
10750 (frame_pointer_fb_offset): ... this. Adjust all uses.
10751 (convert_cfa_to_loc_list): Rename to...
10752 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10753 Pass it on to build_cfa_loc.
10754 (compute_frame_pointer_to_cfa_displacement): Rename to...
10755 (compute_frame_pointer_to_fb_displacement): ... this. New
10756 offset parameter. Use it in computation.
10757 (gen_subprogram_die): Compute cfa_fb_offset with the new
10758 macro, and use it to compute the fb loc list and the
10761 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10763 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10764 replaced with register_operand.
10765 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10766 non-DREG is expensive.
10767 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10768 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10771 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10773 * doc/install.texi2html: Use set -e.
10775 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10777 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10778 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10779 * doc/invoke.texi (-fshared-data): Delete.
10780 * common.opt (fshared-data): Delete.
10781 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10782 (assemble_static_space): Remove #if 0 code.
10783 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10784 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10785 * config/cris/cris.h: Remove FIXME.
10787 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10789 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10792 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10794 PR middle-end/26379
10795 * combine.c (simplify_shift_const_1): Disable nested shifts
10796 optimization for vector shifts.
10798 2006-02-20 Roger Sayle <roger@eyesopen.com>
10800 PR tree-optimization/26361
10801 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10802 of unsigned integer types.
10804 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10806 * tree-chrec.c (eq_evolutions_p): New.
10807 * tree-chrec.h (eq_evolutions_p): Declared.
10808 * tree-data-ref.c: Fix formatting.
10809 (datadep_stats, dependence_stats): New.
10811 (print_direction_vector): New.
10812 (dump_data_dependence_relation): Use print_direction_vector.
10813 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10814 (compute_subscript_distance): Static.
10815 (initialize_data_dependence_relation): Static. Get the number
10816 of loops surrounding the references from the callers, and initialize
10817 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10818 base_object_differ_p analyzers.
10819 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10820 compute_overlap_steps_for_affine_1_2,
10821 analyze_subscript_affine_affine): Count the classified dependences.
10822 Print a message when a test failed.
10823 (can_use_analyze_subscript_affine_affine): New.
10824 (analyze_siv_subscript): Compute the data dependences on symbolic
10825 scevs that verify can_use_analyze_subscript_affine_affine.
10826 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10827 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10828 Handle symbolic scevs.
10829 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10831 (subscript_dependence_tester): Moved...
10832 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10833 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10834 DDR_SIZE_VECT instead of getting it in parameter.
10835 (subscript_dependence_tester): ... here. Take as a parameter
10836 loop_nest_depth. Call build_classic_dist_vector and
10837 build_classic_dir_vector.
10838 (compute_affine_dependence): Update subscript_dependence_tester
10839 parameters. Update datadep_stats counters. Call
10840 compute_subscript_distance.
10841 (compute_self_dependence): Save the dist and dir vectors. Call
10842 compute_subscript_distance.
10843 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10844 (compute_all_dependences): Reorder parameters as they were before
10845 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10846 compute_subscript_distance. Update the use of
10847 compute_affine_dependence and initialize_data_dependence_relation.
10848 (find_data_references_in_loop): Handle COMPONENT_REF.
10849 (compute_data_dependences_for_loop): Initialize dependence_stats.
10850 Don't call build_classic_dist_vector and build_classic_dir_vector.
10851 Update the parameters of initialize_data_dependence_relation and
10852 compute_all_dependences. Print the statistics from datadep_stats.
10853 (analyze_all_data_dependences): Static. Not used until the pass for
10854 checking the data dependences is contributed.
10855 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10856 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10857 (initialize_data_dependence_relation, compute_affine_dependence,
10858 analyze_all_data_dependences, compute_subscript_distance): Removed.
10859 (print_direction_vector): New.
10860 * lambda.h (gcd): ... here.
10861 (lambda_vector_gcd): Moved here from gcd_vector.
10862 * lambda-code.c (gcd, gcd_vector): Removed.
10863 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10864 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10866 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10868 * ipa-type-escape.c: Tidy some comments and white space.
10869 * tree-ssa-operands.c: Likewise.
10871 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10874 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10875 (dump_decl_name): Do not walk the decl tree chains.
10876 * tree-pass.h (TDF_CHAIN): Remove.
10878 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10880 * Makefile.in (C): Remove
10882 (.PHONY): Remove C and PROTO
10884 2006-02-20 Roger Sayle <roger@eyesopen.com>
10886 PR middle-end/26236
10887 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10888 deprecated CHAR_TYPE tree code.
10890 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10892 * configure.ac (target_list): Add install-info, dvi, html.
10893 * configure: Regenerate.
10895 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10896 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10897 treelang/Make-lang.in: Do not use double-colon rules.
10899 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10901 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10902 (TMT_USED_ALONE): New macro.
10903 * tree-pass.h (PROP_tmt_usage): New property.
10904 (TODO_update_tmt_usage): New todo.
10905 * tree-ssa-alias.c (updating_used_alone): New variable.
10906 (recalculate_used_alone): New function.
10907 (compute_may_aliases): Set updating_used_alone, call
10908 recalculate_used_alone.
10909 * tree-sra.c (pass_sra): Note that this pass destroys
10910 PROP_tmt_usage, and add TODO_update_tmt_usage.
10911 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10912 * tree-flow.h (updating_used_alone): Prototype.
10913 (recalculate_used_alone): Ditto.
10914 * passes.c (execute_todo): Add code to set updating_used_alone,
10915 and call recalculate.
10916 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10917 for clobber if used alone, and add assert to verify used_alone
10920 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10922 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10923 for non tls symbols added.
10924 (legitimize_address): Do nothing for PLUS expressions if one of the
10925 addends is a tls symbol reference.
10927 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10931 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10933 * Makefile.in (BOOTSTRAPPING): New.
10934 (quickstrap): New definition if BOOTSTRAPPING=yes.
10936 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10937 * configure.ac: Substitute all_selected_languages with the languages
10938 that were configured. For all the other variables except
10939 lang_specs_files, include all the languages in the tree.
10940 * configure: Regenerate.
10942 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10943 if there is one. Run the commands to run fixincludes in the same
10946 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10947 * doc/install.texi: Document exact conventions for searching target tools.
10948 Document --with-build-time-tools. Document toplevel bootstrap. Document
10949 something more about building an Ada cross-compiler. Don't list GNU Make
10950 requirements which affect all platforms.
10952 2006-02-19 Roger Sayle <roger@eyesopen.com>
10954 PR middle-end/19543
10955 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10956 only equivalent if the have both the same mode and precision.
10958 2006-02-20 Ben Elliston <bje@au.ibm.com>
10960 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10962 2006-02-19 Roger Sayle <roger@eyesopen.com>
10963 Steven Bosscher <stevenb.gcc@gmail.com>
10965 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10966 constant pool references to identify stack mode constants.
10967 * rtlanal.c (constant_pool_constant_p): New predicate to check
10968 whether operand is a floating point constant in the pool.
10969 * rtl.h (constant_pool_constant_p): Prototype here.
10970 * loop.c (scan_loop): Avoid hoisting constants from the constant
10971 pool on STACK_REGS targets.
10972 (load_mems): Likewise.
10973 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10974 loads into x87 registers expensive in terms of register pressure.
10976 2006-02-19 Roger Sayle <roger@eyesopen.com>
10978 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10979 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10981 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10983 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10984 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10986 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10988 * doc/invoke.texi: Document -fipa-pta.
10989 * common.opt: Add ipa-pta option.
10990 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10991 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10992 (do_ds_constraint): Ditto.
10993 (get_constraint_for): Only add to referenced_vars if
10994 referenced_vars exists.
10995 (insert_into_field_list): Rewrite to do this unsorted.
10996 (insert_into_field_list_sorted): Rename old insert_into_field_list
10998 (create_function_info_for): Use insert_into_field_list_sorted.
10999 (create_variable_info_for): Rewrite so it uses unsorted version,
11000 since the field list is sorted.
11001 (intra_create_variable_infos): Only add to referenced_vars if
11002 referenced_vars exists.
11003 (ipa_pta_execute): Init heapvars, and delete when done.
11004 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
11006 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11008 * doc/install.texi: Add missing `@samp'.
11010 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11012 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
11015 2006-02-18 Mark Wielaard <mark@klomp.org>
11017 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
11018 who added new 4.1 features, bug fixes and integration support.
11020 2006-02-18 David Edelsohn <edelsohn@gnu.org>
11023 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
11024 MEM for ABI_V4 pic.
11026 2006-02-18 Richard Sandiford <richard@codesourcery.com>
11028 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
11029 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
11030 (copy_insn_1): Likewise. Don't copy each field individually.
11032 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
11034 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
11035 * rtl.c (rtx_size): Rename variable to...
11036 (rtx_code_size): ...this.
11037 (rtx_size): New function.
11038 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
11039 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
11041 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
11042 * rtl.h (rtx_code_size): New variable.
11043 (rtx_size): Change from a variable to a function.
11044 (RTX_SIZE): Rename to...
11045 (RTX_CODE_SIZE): ...this.
11048 PR tree-optimization/17106
11049 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
11050 (Anchored Addresses): New section.
11051 * doc/invoke.texi (-fsection-anchors): Document.
11052 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
11053 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
11054 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
11055 * hooks.c (hook_bool_mode_rtx_false): New function.
11056 * hooks.h (hook_bool_mode_rtx_false): Declare.
11057 * gengtype.c (create_optional_field): New function.
11058 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
11059 SYMBOL_REF_IN_BLOCK_P is true.
11060 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
11061 (min_anchor_offset, max_anchor_offset): Likewise.
11062 (use_anchors_for_symbol_p): New hook.
11063 * toplev.c (compile_file): Call output_object_blocks.
11064 (target_supports_section_anchors_p): New function.
11065 (process_options): Check that -fsection-anchors is only used on
11066 targets that support it and when -funit-at-a-time is in effect.
11067 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
11068 if the decl doesn't have one.
11069 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
11070 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
11071 of force_const_mem through use_anchored_address.
11072 (expand_expr_constant): New function.
11073 (expand_expr_addr_expr_1): Call it. Use the same modifier when
11074 calling expand_expr for INDIRECT_REF.
11075 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
11076 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
11077 * expr.h (use_anchored_address): Declare.
11078 * loop-unroll.c: Don't declare rtx vectors here.
11079 * explow.c: Include output.h.
11080 (validize_mem): Call use_anchored_address.
11081 (use_anchored_address): New function.
11082 * common.opt (-fsection-anchors): New switch.
11083 * varasm.c (object_block_htab, anchor_labelno): New variables.
11084 (hash_section, object_block_entry_eq, object_block_entry_hash)
11085 (use_object_blocks_p, get_block_for_section, create_block_symbol)
11086 (use_blocks_for_decl_p, change_symbol_section): New functions.
11087 (get_variable_section): New function, split out from assemble_variable.
11088 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
11089 use_blocks_for_decl_p say so. Use change_symbol_section if the
11090 symbol has already been created.
11091 (assemble_variable_contents): New function, split out from...
11092 (assemble_variable): ...here. Don't output any code for
11093 block symbols; just pass them to place_block_symbol.
11094 Use get_variable_section and assemble_variable_contents.
11095 (get_constant_alignment, get_constant_section, get_constant_size): New
11096 functions, split from output_constant_def_contents.
11097 (build_constant_desc): Create a block symbol if use_object_blocks_p
11098 says so. Or into SYMBOL_REF_FLAGS.
11099 (assemble_constant_contents): New function, split from...
11100 (output_constant_def_contents): ...here. Don't output any code
11101 for block symbols; just pass them to place_section_symbol.
11102 Use get_constant_section and get_constant_alignment.
11103 (force_const_mem): Create a block symbol if use_object_blocks_p and
11104 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11105 (output_constant_pool_1): Add an explicit alignment argument.
11106 Don't switch sections here.
11107 (output_constant_pool): Adjust call to output_constant_pool_1.
11108 Switch sections here instead. Don't output anything for block symbols;
11109 just pass them to place_block_symbol.
11110 (init_varasm_once): Initialize object_block_htab.
11111 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11112 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11113 (place_block_symbol, get_section_anchor, output_object_block)
11114 (output_object_block_htab, output_object_blocks): New functions.
11115 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11116 (TARGET_ASM_OUT): Include it.
11117 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11118 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11119 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11120 (TARGET_INITIALIZER): Include them.
11121 * rtl.c (rtl_check_failed_block_symbol): New function.
11122 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11123 (block_symbol, object_block): New structures.
11124 (rtx_def): Add a block_symbol field to the union.
11125 (BLOCK_SYMBOL_CHECK): New macro.
11126 (rtl_check_failed_block_symbol): Declare.
11127 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11128 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11129 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11130 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11131 * output.h (output_section_symbols): Declare.
11132 (object_block): Name structure.
11133 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11134 (default_use_anchors_for_symbol_p): Declare.
11135 * Makefile.in (RTL_BASE_H): Add vec.h.
11136 (explow.o): Depend on output.h.
11137 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11138 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11139 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11140 (rs6000_use_blocks_for_constant_p): New function.
11142 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11144 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11146 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11149 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11152 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11154 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11158 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11160 PR middle-end/26334
11161 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11162 instead of DECL_REGISTER.
11164 2006-02-18 Olivier Hainque <hainque@adacore.com>
11167 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11169 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11172 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11173 * opth-gen.awk: Handle Var and InverseMask together.
11174 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11175 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11176 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11177 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11179 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11180 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11181 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11182 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11183 LINUX_DYNAMIC_LINKER): Define.
11184 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11185 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11187 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11188 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11189 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11190 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11191 (TARGET_C99_FUNCTIONS): Don't define.
11192 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11193 GLIBC_DYNAMIC_LINKER.
11194 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11195 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11196 GLIBC_DYNAMIC_LINKER64): Define.
11197 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11198 LINUX_DYNAMIC_LINKER64.
11199 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11200 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11201 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11202 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11203 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11204 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11205 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11206 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11207 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11208 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11209 and LINUX_DYNAMIC_LINKER32.
11210 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11211 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11212 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11213 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11214 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11216 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11217 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11218 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11219 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11220 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11221 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11222 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11223 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11224 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11225 LINUX_DYNAMIC_LINKER): Define.
11226 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11227 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11228 GLIBC_DYNAMIC_LINKER64): Define.
11229 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11230 LINUX_DYNAMIC_LINKER64.
11231 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11232 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11233 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11234 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11235 LINUX_DYNAMIC_LINKER): Define.
11236 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11237 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11238 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11239 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11240 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11241 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11242 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11243 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11244 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11245 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11246 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11247 * doc/invoke.texi (-muclibc): Remove caveat about supported
11250 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11252 * doc/cpp.texi (__TIMESTAMP__): Document.
11254 2006-02-17 Roger Sayle <roger@eyesopen.com>
11256 PR middle-end/25600
11257 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11258 C is one less than the width of X (and related transformations).
11259 * simplify-rtx.c (simplify_unary_operation_1): Transform
11260 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11261 depending on STORE_FLAG_VALUE, were C is one less then the
11264 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11266 Fix PR tree-optimization/26341
11267 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11268 about NAME_MEMORY_TAG's.
11270 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11273 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11274 with hardware float support, and software float support. Add fcpy
11275 alternative to hardware patterns. Add alternatives to copy between
11276 general and floating-point registers to the 32-bit pattern.
11277 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11278 secondary reload to load a QI or HI mode constant into a floating
11280 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11281 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11283 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11286 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11288 (load_macho_picbase_di): Likewise.
11290 2006-02-16 Jeff Law <law@redhat.com>
11292 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11293 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11294 (ssa_name_nonzero_p): Likewise.
11295 (get_value_range): Return NULL if VRP is not running.
11296 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11297 VRP routines do not discover a range.
11298 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11299 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11300 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11301 (tree_expr_nonnegative_p): Similarly.
11302 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11303 (restore_nonzero_vars_to_original_value): Remove.
11304 (unsafe_associative_fp_binop): Remove.
11305 (tree_ssa_dominator_optimize): Remove initialization and
11306 finalization of nonzero_vars and nonzero_vars_stack.
11307 (dom_opt_initialize_block): No longer push marker on
11308 nonzero_vars_stack.
11309 (dom_opt_finalize_block): No longer call
11310 restore_nonzero_vars_to_original_value.
11311 (record_equivalences_from_phis): No longer look for
11312 nonzero PHI arguments.
11313 (cprop_into_successor_phis): No longer propagate nonzero
11314 property into PHI arguments. Lose unused argument. Caller
11316 (record_equivalences_from_stmt): No longer record nonzero
11317 values for SSA_NAMEs.
11318 (lookup_avail_expr): No longer use nonzero_vars.
11320 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11321 for sizetype when sizetype is unsigned.
11323 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11325 PR rtl-optimization/25603
11326 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11327 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11328 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11329 with new meaning of SETS.
11331 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11336 * config/linux.opt: New file.
11337 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11338 LINUX_DYNAMIC_LINKER): Define.
11339 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11340 * config.gcc (*-*-linux*): Define extra_options.
11341 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11342 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11343 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11344 GLIBC_DYNAMIC_LINKER.
11345 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11346 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11347 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11348 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11349 * doc/invoke.texi (GNU/Linux Options): New section.
11351 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11353 * config/sparc/sparc.md (setjmp): Rewrite.
11354 (setjmp_32): Delete.
11355 (setjmp_64): Likewise.
11357 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11359 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11362 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11364 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11367 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11369 PR rtl-optimization/26296
11370 * Makefile.in (loop-invariant.c): Add except.h dependency.
11371 * loop-invariant.c: Include except.h.
11372 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11374 2005-02-16 Paul Brook <paul@codesourcery.com>
11376 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11379 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11381 PR rtl-optimization/25636
11382 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11383 when deciding whether an insn is an initializing insn.
11385 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11387 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11388 (tree_code_size): Ditto.
11389 * tree.h (struct tree_memory_tag): Remove parent_var.
11390 (struct tree_struct_field_tag): New.
11393 (union tree_node): Add sft member.
11394 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11396 (create_sft): Add size and offset argument, set SFT_OFFSET and
11398 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11399 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11400 * tree-flow-inline.h (get_subvar_at): Update for
11401 SFT_OFFSET/SFT_SIZE.
11402 (var_can_have_subvars): Ditto.
11403 (overlap_subvar): Ditto.
11404 * print-tree.c (print_node): Print out interesting things for
11406 * tree-flow.h (struct subvar): Remove offset and size members.
11407 * tree-ssa-operands.c (get_expr_operands): Update for
11408 get_indirect_ref_operands changes.
11409 (get_indirect_ref_operands): Call add_virtual_operand instead of
11410 add_stmt_operand. Only recurse on base var if requested.
11411 (access_can_touch_variable): New function.
11412 (add_stmt_operand): Split virtual operand handling into ...
11413 (add_virtual_operand): Here. Add offset, size, and for_clobber
11414 arguments. Prune alias sets.
11415 (add_call_clobber_ops): Call add_virtual_operand.
11417 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11419 PR middle-end/26300
11420 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11422 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11423 than TREE_CODE as index into omp_clause_num_ops array.
11425 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11427 PR rtl-optimization/26184
11428 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11430 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11431 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11432 must_precede, must_follow and tobe_scheduled.
11435 * opts.c (common_handle_option): Free new_option pointer.
11436 * df-core.c (df_analyze): Free postorder pointer.
11438 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11440 * Makefile.in: Fix the examples about the use of stamps
11442 2006-02-15 Michael Matz <matz@suse.de>
11444 PR middle-end/22275
11446 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11447 influenced by maximum_field_alignment or DECL_PACKED.
11448 (update_alignment_for_field): Ditto.
11449 (place_field): Ditto.
11450 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11453 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11455 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11456 (debug_flow_info): Pass it.
11457 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11458 * bb-reorder.c (reorder_basic_blocks): Likewise.
11459 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11460 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11461 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11462 * gcse.c (gcse_main, bypass_jumps): Likewise.
11463 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11464 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11465 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11466 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11467 * rtl.h (dump_flow_info): Adjust prototype.
11468 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11469 * var-tracking.c (variable_tracking_main): Likewise.
11470 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11471 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11474 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11476 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11479 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11481 PR tree-optimization/26209
11482 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11483 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11485 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11487 2006-02-14 Roger Sayle <roger@eyesopen.com>
11489 PR middle-end/23670
11490 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11491 (X,Y) and the corresponding symmetry related transformations.
11492 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11493 (X,Y) and its symmetry related transformations.
11495 2006-02-14 Roger Sayle <roger@eyesopen.com>
11497 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11500 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11502 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11504 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11507 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11508 support COMDAT group.
11509 * configure: Regenerate.
11511 2006-02-14 Roger Sayle <roger@eyesopen.com>
11513 PR middle-end/26279
11514 PR middle-end/26280
11515 PR middle-end/26283
11516 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11518 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11520 Fix PR tree-optimization/26260
11522 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11524 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11525 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11526 * tree-ssa-structalias.c (create_variable_info_for): Use
11527 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11529 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11531 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11533 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11534 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11535 of the ending condition.
11536 * tree-ssa-loop-manip.c: Include params.h.
11537 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11538 tree_unroll_loop): New functions.
11539 * tree-pass.h (pass_loop_prefetch): Declare.
11540 * loop.c (rest_of_handle_loop_optimize): Test for
11541 -fprefetch-loop-arrays-rtl.
11542 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11543 * timevar.def (TV_TREE_PREFETCH): New timevar.
11544 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11545 pass_loop_prefetch): New.
11546 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11547 (cleanup_tree_cfg_loop): Call scev_reset.
11548 * common.opt (fprefetch-loop-arrays-rtl): Add.
11549 * tree-ssa-loop-prefetch.c: New file.
11550 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11551 (new_temp_expr_table): Initialize expr_vars.
11552 (free_temp_expr_table): Cleanup expr_vars.
11553 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11554 expressions from being merged into one.
11555 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11556 (struct tree_niter_desc): Add control, bound and cmp fields.
11557 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11559 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11560 (tree-cfgcleanup.o): Add SCEV_H dependency.
11561 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11562 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11564 2006-02-14 Richard Guenther <rguenther@suse.de>
11566 PR tree-optimization/26258
11567 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11568 in PHI argument processing.
11570 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11572 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11573 new expression in the requested machine mode.
11575 2006-02-13 Roger Sayle <roger@eyesopen.com>
11577 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11578 directly, instead let do_compare_rtx_and_jump handle this for us.
11579 * expr.c (expand_expr_real_1): Likewise.
11580 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11581 before do_jump_by_parts_greater.
11582 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11583 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11585 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11587 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11589 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11591 PR rtl-optimization/26235
11592 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11593 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11596 2006-02-13 Jeff Law <law@redhat.com>
11598 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11601 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11603 PR middle-end/26092
11604 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11605 twice if decl is a builtin. When trying again, call get_callee_fndecl
11606 first to verify it is still a builtin.
11608 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11610 * dwarf2out.c (base_type_die): Don't add AT_name here.
11611 (subrange_type_die): Don't add AT_name here.
11612 (modified_type_die): Rearrange code flow. Do add AT_name here.
11614 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11616 PR rtl-optimization/26247
11617 PR rtl-optimization/26248
11618 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11620 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11622 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11623 * config/fixtfdi.c: Likewise.
11624 * config/fixunstfdi.c: Likewise.
11625 * config/floatditf.c: Likewise.
11627 2006-02-13 Roger Sayle <roger@eyesopen.com>
11629 PR middle-end/24427
11630 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11631 into (X,C2) if C1 is a subset of the bits of C2. Transform
11632 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11634 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11636 2006-02-13 Josh Conner <jconner@apple.com>
11639 * varasm.c (function_section): Check for section name before
11640 calling select_section on targets that define
11641 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11642 unlikely_text_section instead of hot_function_section if
11643 first_function_block_is_cold.
11645 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11647 PR middle-end/25335
11648 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11650 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11652 PR rtl-optimization/26222
11653 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11654 after tree->rtl expansion.
11655 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11656 before passing it to emit_move_insn.
11658 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11660 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11662 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11663 Clarify documentation.
11664 * c-common.h (warn_write_strings): Remove.
11665 * c-common.c (warn_write_strings): Likewise.
11666 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11669 2006-02-12 Roger Sayle <roger@eyesopen.com>
11671 PR middle-end/25724
11672 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11673 (do_jump_parts_zero_rtx): New function renamed from
11674 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11675 (do_jump_parts_equality_rtx): New function split out from
11676 do_jump_parts_equality. Old implementation renamed as above.
11677 Call do_jump_parts_zero_rtx if either operand is zero.
11678 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11679 do all of the heavy lifting.
11680 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11681 calling either do_jump_by_parts_greater_rtx or
11682 do_jump_by_parts_equality_rtx.
11683 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11684 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11685 moved to do_compare_rtx_and_jump, call it directly.
11686 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11687 mode argument. Call do_compare_rtx_and_jump.
11688 (emit_case_nodes): Update calls to do_jump_if_equal.
11690 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11692 PR rtl-optimization/26225
11693 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11695 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11697 PR rtl-optimization/26232
11698 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11700 2006-02-11 Jason Merrill <jason@redhat.com>
11703 * tree-inline.c (declare_return_variable): Just don't use the
11704 modify target if it's a gimple complex reg and the return slot
11707 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11709 * doc/contrib.texi: Update my entry.
11711 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11713 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11715 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11717 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11720 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11722 * doc/invoke.texi (-floop-optimize2): Removed.
11723 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11724 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11725 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11726 * common.opt (floop-optimize2): Removed.
11727 (fmove-loop-invariants): Enabled by default.
11729 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11731 * tree-if-conv.c (combine_blocks): Free the result of
11732 get_loop_exit_edges.
11734 2006-02-10 Jeff Law <law@redhat.com>
11736 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11738 PR tree-optimization/26213
11739 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11740 loop trying to follow SSA_NAME_VALUE chains.
11742 2006-02-10 Richard Guenther <rguenther@suse.de>
11744 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11745 deal with structures that end in implicitly variable sized arrays.
11747 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11749 PR rtl-optimization/24762
11750 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11753 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11755 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11756 (struct ivopts_data): Add regs_used field.
11757 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11758 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11759 instead of loop_data->regs_used;
11760 (free_loop_data): Do not free aux fields for loops.
11761 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11762 and tree_ssa_iv_optimize_finalize.
11764 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11766 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11768 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11771 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11772 computing the effective result type.
11774 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11776 PR inline-asm/16194
11777 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11778 (tree_overlaps_hard_reg_set): Declare.
11779 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11780 type and signature to match function type expected by walk_tree.
11781 (tree_overlaps_hard_reg_set): New function.
11782 (decl_conflicts_with_clobbers_p): Rename to:
11783 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11784 Use tree_overlaps_hard_reg_set. Changed caller.
11785 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11786 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11787 * cris.c (cris_md_asm_clobbers): Likewise.
11789 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11791 * reload1.c (emit_input_reload_insns): Delete code that tries to
11792 inherit using find_equiv_reg.
11794 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11796 * c-common.h (flag_const_strings): Don't declare.
11797 * c-common.c (flag_const_strings): Remove.
11798 * c.opt (fconst_strings): Remove.
11799 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11800 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11801 (c_common_init_options): Don't set flag_const_strings.
11802 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11804 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11806 * arm.md (tlobits_cbranch): New pattern.
11807 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11808 testing a single bit.
11810 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11813 * tree-ssa-pre.c (create_component_ref_by_pieces):
11814 Handle RETURN_DECL like VAR_DECL.
11816 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11818 PR middle-end/26134
11819 * fold-const.c (fold_indirect_ref_1): Fold
11820 "*(foo *)&complexfoo" to "__real__ complexfoo"
11821 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11823 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11825 * tree-flow-inline.h (var_can_have_subvars):
11826 Volatile variables should not have subvariables.
11828 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11831 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11832 multiplying unsigned values.
11835 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11837 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11839 2006-02-08 Jason Merrill <jason@redhat.com>
11842 * tree.def: Elaborate on difference from MODIFY_EXPR.
11843 * doc/c-tree.texi (INIT_EXPR): Likewise.
11844 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11845 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11846 (gimplify_target_expr): Likewise.
11847 (gimplify_cond_expr): Remove target handling.
11848 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11849 (gimplify_expr): Clobber it here.
11850 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11851 Do return slot optimization if we have an INIT_EXPR.
11854 * tree-inline.c (declare_return_variable): Also clear
11855 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11858 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11860 PR middle-end/22439
11861 * gimplify.c (gimplify_one_sizepos): Fix typo.
11863 2006-02-08 Jeff Law <law@redhat.com>
11865 PR tree-optimization/21417
11866 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11867 across a backedge if the control statement at the end of the
11868 block is data dependent on other statements in the same block.
11869 (record_temporary_equivalences_from_stmts): Remove over-conservative
11870 test for threading across backedges.
11872 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11873 control statement, handle all three special cases in the same
11874 manner as they all have the same desired solution. No longer
11875 special case edge flag updating when the post dominator is
11878 2006-02-08 Roger Sayle <roger@eyesopen.com>
11880 * tree.def (CHAR_TYPE): Remove.
11881 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11882 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11883 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11884 (gen_string_type_die): Delete unreachable function.
11886 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11887 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11888 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11889 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11890 * builtins.c (type_to_class): Likewise.
11891 * fold-const.c (fold_convert, build_range_check,
11892 merge_ranges): Likewise.
11893 * expr.c (count_type_elements): Likewise.
11894 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11895 * stor-layout.c (layout_type): Likewise.
11896 * ipa-type-escape.c (type_to_consider): Likewise.
11897 * gimplify.c (omp_firstprivatize_type_sizes,
11898 gimplify_type_sizes): Likewise.
11899 * explow.c (promote_mode): Likewise.
11900 * tree-sra.c (is_sra_scalar_type): Likewise.
11901 * varasm.c (output_constant): Likewise.
11902 * tree-inline.c (remap_type_1): Likewise.
11903 * convert.c (convert_to_pointer, convert_to_real,
11904 convert_to_integer, convert_to_complex): Likewise.
11906 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11908 * df-scan.c (df_def_record_1): A set destination may
11909 be a parallel regardless of mode.
11911 2006-02-08 Roger Sayle <roger@eyesopen.com>
11914 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11915 * config/mips/_tilib.c: Remove.
11916 * config/fixtfdi.c: New libgcc source file.
11917 * config/fixunstfdi.c: New source file.
11918 * config/floatditf.c: New source file.
11919 * config/floatunditf.c: New souce file.
11920 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11921 files above instead of config/mips/_tilib.c.
11922 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11924 2006-02-08 Jeff Law <law@redhat.com>
11926 PR tree-optimization/26169
11927 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11930 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11932 * df.h (DF_REG_SIZE): Return the length of the initialized
11935 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11937 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11938 __muldf3): Return a correctly signed zero.
11940 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11942 * passes.c (register_one_dump_file): Accept the current properties
11943 instead of pass number. Adjust call to dump_register. Remove
11945 (register_dump_files): Now a wrapper around...
11946 (register_dump_files_1): ... this one. Do not modify the pass
11948 (next_pass_1): Cosmetic fix.
11949 (execute_todo): Keep second parameter only. Use curr_properties
11950 instead of fetching it from the pass structure. Check and set
11952 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11953 instead of fetching it from the pass structure. Fix calls to
11954 execute_todo. Update curr_properties and initialize .vcg RTL dump
11955 after running the pass. Reset last_verified.
11956 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11958 (FIRST_AUTO_NUMBERED_DUMP): New.
11959 (dump_register): Remove "num" parameter, assign it within the
11961 (get_dump_file_name): Modify template for dumps.
11962 * tree-dump.h (dump_register): Adjust prototype.
11963 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11964 (PROP_trees): Add PROP_gimple_lomp.
11965 (TODO_set_props): New.
11966 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11967 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11968 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11970 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11972 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11973 (sparc64-*-linux*): Likewise.
11974 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11975 * config/sparc/t-linux: New file.
11976 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11977 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11978 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11979 -m32 -mlong-double-128.
11981 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11982 * config/alpha/t-linux: New file.
11983 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11985 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11986 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11987 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11988 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11989 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11990 (CPP_ARCH32_SPEC): Remove.
11992 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11994 PR tree-optimization/26145
11995 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11998 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12001 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
12002 >= 240000 when generating code for SOM runtime.
12003 (output_indirect_call): Don't use "b,l" instruction for indirect calls
12004 to $$dyncall when generating code for SOM runtime..
12006 2006-02-07 Dirk Mueller <dmueller@suse.com>
12009 * doc/invoke.texi (-Wsequence-point): Update documentation
12010 that -Wsequence-point is implemented for C++ as well.
12012 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12014 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
12015 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
12016 (LIB_SPEC): Likewise.
12017 * doc/invoke.texi (SPARC options): Document -pthread.
12019 2006-02-07 Geoffrey Keating <geoffk@apple.com>
12021 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
12024 2006-02-07 Roger Sayle <roger@eyesopen.com>
12026 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
12027 Correct comment describing BOOLEAN_TYPE.
12029 2006-02-07 Dirk Mueller <dmueller@suse.com>
12031 * c.opt: C++ frontend supports -Wdiv-by-zero.
12032 * c-opts.c (c_common_handle_option): Remove dead case.
12034 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12036 * configure.ac (TLS assembler check): Do not enable TLS by
12037 default on SPARC/Solaris before version 10.
12038 * configure: Regenerate.
12040 2006-02-07 David Edelsohn <edelsohn@gnu.org>
12042 * doc/invoke.texi (xl-compat): Document conversion and support
12045 2006-02-07 Jeff Law <law@redhat.com>
12047 * tree-vrp.c (find_conditional_asserts): Update comments.
12048 (simplify_stmt_for_jump_threading): New.
12049 (identify_jump_threads, finalize_jump_threads): New.
12050 (vrp_finalize): Call identify_jump_threads.
12051 (execute_vrp): Call finalize_jump_threads.
12052 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
12053 (vrp_element, vrp_data, vrp_element_p): Remove.
12054 (vrp_hash_elt, vrp_variables_stack): Remove.
12055 (vrp_hash, vrp_eq, record_range): Remove.
12056 (simplify_cond_and_lookup_avail_expr): Remove.
12057 (extract_range_from_cond): Remove.
12058 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
12059 (simplify_stmt_for_jump_threading): New.
12060 (dom_thread_across_edge): New wrapper.
12061 (tree_ssa_dominator_optimize): No longer initialize or
12062 finalize any of the VRP datastructures. Remove iteration
12063 step and simplify as a result of removal of iteration step.
12064 (pass_dominator): Perform a cfg cleanup after DOM.
12065 (dom_opt_finalize_block): Use the new common routines
12066 for threading jumps. Simplify stack management slightly.
12067 No longer need to unwind VRP state.
12068 (record_equivalences_from_incoming_edge): No longer record
12070 (eliminate_redundant_computations): No longer call
12071 simplify_cond_and_lookup_avail_expr.
12072 * tree-flow.h (potentially_threadable_block): Prototype.
12073 (thread_across_edge): Likewise.
12074 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
12075 (tree-ssa-threadedge.o): Add dependencies.
12076 * tree-ssa-threadedge.c: New file.
12077 * passes.c (init_optimization_passes): Merge PHIs before
12078 calling VRP. Run VRP again late in the SSA optimization pipeline.
12080 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
12082 * df-core.c (df_set_blocks): Do not dereference function pointers.
12083 (df_finish1): Likewise.
12084 (df_hybrid_search_forward): Likewise.
12085 (df_hybrid_search_backward): Likewise.
12086 (df_iterative_dataflow): Likewise.
12087 (df_analyze_problem): Likewise.
12088 (df_compact_blocks): Likewise.
12089 (df_dump): Likewise.
12090 * df-scan.c (df_rescan_blocks): Likewise.
12091 (df_record_entry_block_defs): Likewise.
12093 * genconditions.c (write_conditions): Guard the definition of
12094 'insn_conditions' with the check on GCC version.
12095 (write_writer): Guard the traversal 'insn_conditions' with
12096 the check on GCC version.
12098 2006-02-07 Richard Guenther <rguenther@suse.de>
12102 2006-01-30 Richard Guenther <rguenther@suse.de>
12104 * gimplify.c (gimplify_target_expr): Handle easy cases
12105 without creating a temporary.
12107 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12109 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12110 use of float in probability computations. Use edge probabilities
12111 in place of statically computed probabilities.
12112 (min_spec_prob): New static variable.
12113 (schedule_insns): Initialize it.
12114 (GET_SRC_PROB): Removed.
12115 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12117 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12120 * config/ia64/unwind-ia64.c: Revert last change.
12121 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12122 (INCOMING_FRAME_SP_OFFSET): Define.
12124 2006-02-06 Roger Sayle <roger@eyesopen.com>
12126 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12128 2006-02-07 Ben Elliston <bje@au.ibm.com>
12130 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12131 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12132 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12133 (ix86_return_in_memory): Handle TDmode.
12134 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12135 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12137 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12139 * reorg.c (dbr_schedule): Use dump_file instead of file.
12141 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12144 * config/ia64/predicates.md (extr_len_operand): New predicate.
12145 * config/ia64/ia64.md (extv): Tighten constraints.
12147 (*tbit_and_2): Ditto.
12148 (*tbit_and_3): Ditto.
12149 (*tbit_or_2): Ditto.
12150 (*tbit_or_3): Ditto.
12151 (*bit_zero): Ditto.
12154 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12157 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12159 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12161 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12162 loop_optimizer_init and loop_optimizer_finalize
12163 * tree-ssa-sink.c (execute_sink_code): Ditto.
12164 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12165 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12166 tree_ssa_loop_done): Ditto.
12167 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12168 * sched-ebb.c: Include output.h.
12169 (schedule_ebbs): Do not use dump argument.
12170 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12171 * loop.c (loop_dump_stream): Removed.
12172 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12174 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12175 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12176 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12177 loop_iterations, strength_reduce, record_biv, record_giv,
12178 final_giv_value, check_final_value, check_ext_dependent_givs,
12179 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12180 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12181 dump_file instead of loop_dump_stream.
12182 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12183 argument dump_file.
12184 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12186 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12187 * haifa-sched.c: Include output.h
12188 (schedule_insns, sched_init): Do not use dump argument.
12189 * mode-switching.c (optimize_mode_switching): Ditto.
12190 * modulo-sched.c (stats_file): Removed.
12191 (print_node_sched_params): Do not call argument dump_file.
12192 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12193 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12195 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12197 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12198 rtl_loop_init, rtl_loop_done): Ditto.
12199 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12200 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12202 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12203 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12204 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12205 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12206 * emit-rtl.c (renumber_insns): Ditto.
12207 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12208 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12209 * regclass.c (regclass): Ditto.
12210 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12211 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12212 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12213 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12215 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12216 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12218 * gcse.c (gcse_file, debug_stderr): Removed.
12219 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12220 rest_of_handle_gcse): Do not use dump argument.
12221 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12222 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12223 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12224 compute_code_hoist_vbeinout, compute_code_hoist_data,
12225 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12226 compute_store_table, build_store_vectors, insert_insn_start_bb,
12227 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12228 store_motion): Use dump_file instead of gcse_file.
12229 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12230 * profile.c (profile_dump_file): Removed.
12231 (branch_prob): Use dump_file instead of profile_dump_file.
12232 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12234 * tree-ssa-copy.c (dump_copy_of): Ditto.
12235 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12236 dump file to life_analysis.
12237 * bt-load.c (branch_target_load_optimize): Ditto.
12238 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12240 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12241 regclass, dbr_schedule): Declaration changed.
12242 * sched-int.h (sched_init): Declaration changed.
12243 * tree-profile.c (tree_profile_dump_file): Removed.
12244 (tree_profile_hooks): Removed profile_dump_file hook.
12245 * rtl-profile (rtl_profile_dump_file): Removed.
12246 (rtl_profile_hooks): emoved profile_dump_file hook.
12247 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12249 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12250 * tree-cfg.c (build_tree_cfg): Ditto.
12251 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12252 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12253 Declaration changed.
12254 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12255 life_analysis and schedule_insns.
12256 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12258 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12260 * config/mips/mips.c (mips_reorg): Ditto.
12261 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12264 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12266 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12267 (s390_mangle_fundamental_type): New.
12268 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12271 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12272 (alpha_mangle_fundamental_type): New.
12273 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12276 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12278 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12280 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12281 (sparc_mangle_fundamental_type): New.
12283 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12285 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12286 (s390x-*-linux*): Likewise.
12287 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12288 * config/s390/t-linux: New file.
12290 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12292 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12293 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12295 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12297 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12298 (ANTIC_SAFE_LOADS): New macro.
12299 (find_or_generate_expression): Add prototype.
12300 (set_contains_value): Allow null set for sake of not always having
12301 to allocate ANTIC_SAFE_LOADS.
12302 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12303 Allow COMPONENT_REF too.
12304 (valid_in_set): Allow COMPONENT_REF.
12305 Check ANTIC_SAFE_LOADS too.
12306 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12307 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12309 (can_PRE_operation): Add COMPONENT_REF.
12310 (create_component_ref_by_pieces): New function.
12311 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12312 (insert_aux): Move AGGREGATE_TYPE_P check here.
12313 (compute_avail): Set bb local stmt uids.
12314 (pass_pre): Use TODO_update_ssa_only_virtuals.
12316 2006-02-06 Ben Elliston <bje@au.ibm.com>
12318 * configure.ac: Unconditionally disable decimal float by default.
12319 * configure: Regenerate.
12321 2006-02-06 Ben Elliston <bje@au.ibm.com>
12323 * read-rtl.c (read_name): Terminate reading on EOF.
12325 2006-02-06 Ben Elliston <bje@au.ibm.com>
12327 * dfp.c (decimal_real_arithmetic): Change second argument type
12328 from int to enum tree_code. Do not always return true, but now
12329 return result of any call to decimal_do helper functions.
12330 * dfp.h (decimal_real_arithmetic): Update prototype.
12332 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12334 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12336 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12339 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12342 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12344 * tree-vrp.c (cfg_loops): Removed.
12345 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12346 Use current_loops instead of cfg_loops. Pass flags to
12347 loop_optimizer_init.
12348 * cfgloopmanip.c (fix_loop_structure): Update only available
12350 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12351 loop_optimizer_init.
12352 * modulo-sched.c (build_loops_structure): Removed.
12353 (sms_schedule): Use loop_optimizer_init.
12354 * loop-init.c (loop_optimizer_init): Use flags to determine
12355 which properties of loops to prepare.
12356 (rtl_loop_init): Pass flags to loop_optimizer_init.
12357 * tree-ssa-sink.c (execute_sink_code): Ditto.
12358 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12359 * tree-ssa-pre.c (init_pre): Ditto.
12360 * cfgloop.h (LOOPS_NORMAL): New.
12361 (loop_optimizer_init): Declaration changed.
12363 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12365 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12366 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12368 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12370 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12372 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12373 * pa/t-pa64: Delete quadlib.c rule.
12374 * pa/x-ada: Revert last change.
12375 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12377 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12379 PR rtl-optimization/26087
12380 * rtlanal.c (canonicalize_condition): Do not cross basic block
12383 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12386 * config/ia64/ia64.c: Include debug.h.
12387 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12388 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12389 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12390 (process_epilogue, process_set, process_for_unwind_directive):
12391 Output unwind info only if requested. Add CFA info if requested.
12392 Add new arguments as needed. Adjust callers.
12393 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12395 (DWARF2_FRAME_INFO): Define to zero.
12396 * config/ia64/unwind-ia64.c: Remove code that compensated for
12397 the CFA offset error fixed above.
12398 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12399 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12400 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12401 -funwind-tables and -fexceptions to enable frame info.
12402 (dwarf2out_frame_init): Define initial CFA even if
12403 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12404 DWARF2_UNWIND_INFO is nonzero, not just defined.
12405 (dwarf2out_frame_finish): Output non-EH call frame info only
12406 if DWARF2_FRAME_INFO is nonzero.
12407 (convert_cfa_to_loc_list,
12408 compute_frame_pointer_to_cfa_displacement): Define even if
12409 unwind info is not supported.
12410 (gen_subprogram_die): Use the above unconditionally. Remove
12411 legacy alternate code.
12412 * toplev.c (compile_file): Compile in call to
12413 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12414 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12416 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12417 Jakub Jelinek <jakub@redhat.com>
12419 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12420 IBM extended float format long double as "g" on powerpc*-linux.
12422 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12425 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12426 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12428 2006-02-03 Jason Merrill <jason@redhat.com>
12431 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12433 PR middle-end/25977
12434 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12435 on the return slot if it's an NRV.
12437 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12439 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12440 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12441 rewrite_use): Do not handle USE_OUTER.
12442 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12443 add_iv_outer_candidates, may_replace_final_value,
12444 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12445 (find_interesting_uses_op): Functionality of
12446 find_interesting_uses_outer_or_nonlin moved here.
12447 (find_interesting_uses_outside): Use find_interesting_uses_op.
12449 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12452 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12454 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12455 Ulrich Weigand <uweigand@de.ibm.com>
12458 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12459 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12460 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12461 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12463 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12464 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12465 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12466 Define secondary reloads for TFmode moves.
12467 (constant_modes): Add TFmode.
12468 (NR_C_MODES): Set to 8.
12469 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12471 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12472 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12473 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12474 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12475 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12476 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12477 (FPR mode macro): Add TFmode.
12478 (DSF mode macro): New.
12479 (<de>, <dee> mode attributes): Removed.
12480 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12481 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12482 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12483 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12484 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12485 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12486 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12487 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12488 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12489 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12490 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12491 "*negabs<mode>2", "sqrt<mode>2"):
12492 Changed <de> to <xde>. R constraint replaced by <Rf>.
12493 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12495 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12496 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12497 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12499 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12500 "extenddftf2", "extendsftf2"): New expanders.
12501 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12502 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12503 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12504 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12506 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12507 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12508 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12509 __floatditf): Add a GCC_4.1.0 symbol version tag.
12510 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12513 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12516 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12517 Use targetm.binds_local_p instead of TREE_PUBLIC.
12519 2006-02-02 Roger Sayle <roger@eyesopen.com>
12521 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12522 on INTEGER_TYPEs to indicate that it denotes a character type.
12523 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12524 signed_char_type_node, unsigned_char_type_node and char_type_node.
12525 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12526 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12527 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12529 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12530 Daniel Berlin <dberlin@dberlin.org>
12532 * tree-tailcall.c (arg_needs_copy_p): New function.
12533 (eliminate_tail_call): Use arg_needs_copy_p.
12534 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12535 (add_virtual_phis): New function.
12537 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12539 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12540 #ignore instead of #scratch for %g7 .register directive.
12542 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12544 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12547 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12549 * flow.c (calculate_global_regs_live): Assert that there aren't any
12552 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12554 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12555 what its name says.
12556 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12557 bsi_after_labels iterator.
12558 * tree-if-conv.c (find_phi_replacement_condition,
12559 replace_phi_with_cond_modify_expr): Likewise.
12560 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12561 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12563 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12565 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12567 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12570 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12571 array after growing it.
12573 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12575 PR middle-end/24901
12576 * fold-const.c (fold_checksum_tree): Change type of buf.
12578 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12580 * reload.c (push_secondary_reload): Initialize t_icode.
12582 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12584 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12585 -msoft-float -mlong-double-128 only issue a warning, but don't
12586 swich to DFmode long double.
12588 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12590 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12591 has a constant equivalent, iterate over equivalents for arg0,
12592 calling simplify_relational_operation and if there's a result
12593 cheaper than X, apply fold_rtx and return the result.
12595 2006-02-01 Jan Hubicka <jh@suse.cz>
12597 * opts.c (no_unit_at_a_time_default): New global variable.
12598 (decode_options): Use it.
12599 * opts.h (no_unit_at_a_time_default): Declare.
12601 2006-02-01 Paul Brook <paul@codesourcery.com>
12603 * function.c (assign_parm_setup_reg): Use function argument promotion
12605 * expr.c (expand_expr_real_1): Use function argument promotion rules
12608 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12610 * gcc.c (process_command): Change j to 'unsigned int'.
12612 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12614 PR middle-end/26001
12615 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12616 Use the corrected index for the character
12617 out of the string constant.
12619 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12621 * mode-switching.c (optimize_mode_switching): Fix size
12622 allocated for bb_info[n_entities].
12624 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12626 * gcc.c (main): Correct type that is allocated for
12627 explicit_link_files.
12629 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12631 * config/s390/s390.c (init_alignment_context): Set
12632 ALIAS_SET_MEMORY_BARRIER on the MEM.
12633 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12635 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12637 PR middle-end/25933
12638 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12640 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12643 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12645 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12646 * regrename.c: Ditto.
12647 * tree-ssa-loop-im.c: Ditto.
12648 * tree-dump.c: Ditto.
12649 * tree-complex.c: Ditto.
12650 * genrecog.c: Ditto.
12651 * tree-ssa-threadupdate.c: Ditto.
12653 * java/class.c: Ditto.
12654 * java/jcf-parse.c: Ditto.
12655 * java/resource.c: Ditto.
12656 * java/except.c: Ditto.
12657 * java/jvspec.c: Ditto.
12658 * java/jcf-write.c: Ditto.
12659 * java/jcf-path.c: Ditto.
12660 * java/gjavah.c: Ditto.
12661 * java/zextract.c: Ditto.
12662 * java/jcf-io.c: Ditto.
12663 * java/jcf.h: Ditto.
12664 * java/buffer.c: Ditto.
12665 * java/lang.c: Ditto.
12666 * java/parse-scan.y: Ditto.
12667 * java/lex.c: Ditto.
12668 * java/lex.h: Ditto.
12669 * cfgloopmanip.c: Ditto.
12670 * postreload-gcse.c: Ditto.
12671 * tree-ssa-loop-manip.c: Ditto.
12672 * postreload.c: Ditto.
12673 * tree-ssa-loop-ch.c: Ditto.
12676 * cppspec.c: Ditto.
12677 * diagnostic.c: Ditto.
12679 * genoutput.c: Ditto.
12681 * cfghooks.c: Ditto.
12682 * cfgloopanal.c: Ditto.
12683 * objc/objc-act.c: Ditto.
12685 * genextract.c: Ditto.
12686 * genautomata.c: Ditto.
12687 * pretty-print.c: Ditto.
12688 * genemit.c: Ditto.
12689 * cgraphunit.c: Ditto.
12691 * df-scan.c: Ditto.
12692 * haifa-sched.c: Ditto.
12693 * dominance.c: Ditto.
12695 * tree-ssa-loop-ivopts.c: Ditto.
12696 * df-core.c: Ditto.
12697 * mode-switching.c: Ditto.
12698 * modulo-sched.c: Ditto.
12700 * ipa-pure-const.c: Ditto.
12702 * fix-header.c: Ditto.
12704 * tree-stdarg.c: Ditto.
12705 * ipa-utils.c: Ditto.
12706 * loop-init.c: Ditto.
12707 * ipa-inline.c: Ditto.
12708 * cfganal.c: Ditto.
12710 * alloc-pool.c: Ditto.
12711 * dwarf2out.c: Ditto.
12713 * genattrtab.c: Ditto.
12714 * tree-ssa-loop-ivcanon.c: Ditto.
12715 * predict.c: Ditto.
12716 * timevar.c: Ditto.
12718 * fortran/gfortranspec.c: Ditto.
12719 * regmove.c: Ditto.
12720 * local-alloc.c: Ditto.
12721 * langhooks.c: Ditto.
12722 * function.c: Ditto.
12723 * tree-vectorizer.c: Ditto.
12725 * ipa-type-escape.c: Ditto.
12727 * tree-if-conv.c: Ditto.
12728 * profile.c: Ditto.
12730 * tree-data-ref.c: Ditto.
12731 * loop-unroll.c: Ditto.
12732 * treelang/treetree.c: Ditto.
12734 * bt-load.c: Ditto.
12735 * ggc-common.c: Ditto.
12737 * coverage.c: Ditto.
12739 * tree-cfgcleanup.c: Ditto.
12740 * tree-ssa-pre.c: Ditto.
12741 * cfgcleanup.c: Ditto.
12742 * loop-invariant.c: Ditto.
12743 * loop-iv.c: Ditto.
12744 * ipa-prop.c: Ditto.
12745 * print-tree.c: Ditto.
12746 * conflict.c: Ditto.
12747 * ggc-page.c: Ditto.
12748 * sched-deps.c: Ditto.
12749 * regclass.c: Ditto.
12750 * tree-object-size.c: Ditto.
12751 * combine.c: Ditto.
12752 * bb-reorder.c: Ditto.
12753 * resource.c: Ditto.
12754 * var-tracking.c: Ditto.
12755 * cfgloop.c: Ditto.
12756 * df-problems.c: Ditto.
12757 * reg-stack.c: Ditto.
12759 * gccspec.c: Ditto.
12760 * sched-rgn.c: Ditto.
12761 * tree-ssa-structalias.c: Ditto.
12762 * tree-ssa-reassoc.c: Ditto.
12763 * config/darwin-c.c: Ditto.
12764 * config/darwin.c: Ditto.
12765 * config/arm/arm.c: Ditto.
12767 * collect2.c: Ditto.
12768 * reload1.c: Ditto.
12770 2006-01-31 Nicolas Pitre <nico@cam.org>
12772 * arm.md (smaxsi3): Make aware of smax_m1.
12775 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12777 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12779 2006-01-31 Richard Guenther <rguenther@suse.de>
12781 * doc/invoke.texi (-msselibm): Document.
12782 * target.h (expand_library_builtin): New target hook.
12783 * builtins.c (expand_builtin): Use expand_library_builtin.
12784 (default_expand_library_builtin): New function.
12785 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12786 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12787 (link_gcc_math_spec): Declare.
12788 (static_specs): Add link_gcc_math_spec.
12789 * expr.h (default_expand_library_builtin): Declare.
12790 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12791 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12792 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12793 * config/i386/i386.opt (msselibm): New target option.
12794 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12795 (ix86_init_sse_abi_builtins): New function.
12796 (ix86_expand_library_builtin): Likewise.
12797 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12798 (override_options): Handle error conditions wrt -msselibm.
12799 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12800 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12801 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12804 2006-01-31 Richard Guenther <rguenther@suse.de>
12805 Paolo Bonzini <bonzini@gnu.org>
12807 * doc/install.texi (--disable-libgcc-math): Document.
12809 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12811 * expr.h (expand_normal): new inline function.
12812 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12813 * dojump.c: use it.
12814 * dwarf2out.c: use it.
12817 * expmed.c: use it.
12818 * except.c: use it.
12819 * config/sparc/sparc.c: use it.
12820 * config/i386/i386.c: use it.
12821 * config/rs6000/rs6000.c: use it.
12822 * config/arm/arm.c: use it.
12823 * config/mips/mips.c: use it.
12824 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12826 2006-01-30 Roger Sayle <roger@eyesopen.com>
12828 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12829 argv to the appropriate type.
12831 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12833 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12836 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12839 * config/s390/s390.c (struct machine_function): New flag
12840 decomposed_literal_pool_addresses_ok_p.
12841 (s390_reorg): Set it before final stage of literal pool transforms.
12842 (s390_decompose_address): Only accept displacements of the form
12843 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12845 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12847 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12848 the comparison routine return.
12850 2006-01-30 Michael Matz <matz@suse.de>
12852 * global.c (find_reg): Only evict for global regs.
12853 Take n_refs into account and dump more info.
12855 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12858 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12859 (pragma_trap, pragma_nosave_low_regs): Likewise.
12860 (current_function_anonymous_args): Likewise.
12861 (sh_deferred_function_attributes): New variable.
12862 (sh_deferred_function_attributes_tail): Likewise.
12863 (print_operand): For '@', look up trap_exit attribute.
12864 (calc_live_regs): Look up trapa_handler attribute. For trapa
12865 handlers, save/restore fpscr, but don't do any other
12866 interrupt-specific saves.
12867 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12868 Fix check for partially saved registers to check for SHmedia.
12869 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12870 (sh_output_function_epilogue): Don't clear any of the removed
12872 (sh_insert_attributes): Don't check pragma_interrupt.
12873 Insert deferred attributes. Check that interrupt attribute is
12874 present for other attributes that require its presence.
12875 (sh_attribute_table): Add new attributes trapa_handler and
12877 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12878 Don't check for pragma_interrupt. Don't store argument.
12879 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12880 (sh_deferred_function_attributes): Declare.
12881 (sh_deferred_function_attributes_tail): Likewise.
12882 * sh.md (sp_switch_1): Add operand. Change generator caller.
12883 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12884 (*return_i): Don't use when trap_exit attribute is in effect.
12885 (*return_trapa): New insn pattern.
12886 * sh-c.c: New file.
12887 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12888 setting c_target_objs and cxx_target_objs.
12889 * t-sh: Add rule for sh-c.o.
12891 2006-01-30 Richard Guenther <rguenther@suse.de>
12894 * gimplify.c (gimplify_target_expr): Handle easy cases
12895 without creating a temporary.
12897 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12899 * vec.h (safe_grow): Remove duplicated line.
12901 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12904 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12905 (expand_omp): ... here.
12906 (expand_omp_parallel): Only remove barriers for combined
12907 parallel+workshare constructs.
12909 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12913 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12914 * tree.c (build_qualified_type): Chain the new type to the original
12915 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12916 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12917 (build_pointer_type_for_mode): Only return unqualified types.
12918 (build_reference_type_for_mode): Likewise.
12920 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12922 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12923 * Makefile.in (CXX_COMPAT_WARN): Define.
12924 * configure: Regenerate.
12926 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12929 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12932 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12934 * toplev.c: Fix thinko.
12936 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12937 Marcin Dalecki <martin@dalecki.de>
12939 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12940 (push_srcloc): Use XNEW.
12941 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12943 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12945 * df-core.c (df_set_blocks): Deleted all variable.
12947 2006-01-28 Ian Lance Taylor <ian@airs.com>
12949 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12950 cgraph_output_pending_asms.
12952 2006-01-28 Zack Weinberg <zackw@panix.com>
12954 * c.opt: Add -W(no-)overlength-strings.
12955 * doc/invoke.texi: Document it.
12956 * c-opts.c (c_common_handle_option): -pedantic implies
12957 -Woverlength-strings, if not explicitly disabled already.
12958 (c_common_post_options): -Woverlength-strings defaults to off, and
12959 is always off for C++.
12960 * c-common.c (fix_string_type): Issue warning about strings longer
12961 than is portable only if warn_overlength_strings. Rearrange code
12962 a little for clarity.
12963 * configure.in: Check for -Wno-overlength-strings as well before
12964 enabling -pedantic in stage 1.
12965 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12966 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12968 * genconditions.c (write_header, write_one_condition)
12969 (write_conditions, write_writer): Consolidate very long strings
12970 that were broken up to fit in C89 portable limit. Don't use
12971 printf when fputs will do.
12973 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12975 * combine.c (simplify_comparison <AND>): Check
12976 TRULY_NOOP_TRUNCATION before start using a subreg.
12978 * config/mips/mips.md (*branch_zero<mode>,
12979 *branch_zero<mode>_inverted, *branch_equality<mode>,
12980 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12981 Remove mode check from comparisons.
12983 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12985 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12987 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12989 * expmed.c (const_mult_add_overflow_p): Remove.
12990 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12992 * recog.c (validate_replace_rtx_subexp): Remove.
12993 * recog.h: Remove the prototype for
12994 validate_replace_rtx_subexp.
12996 * integrate.h: Remove the prototype for
12997 copy_decl_for_inlining.
12998 * rtl.h: Remove the prototype for mark_constant_function.
12999 * tree-vectorizer.h: Remove the prototype for
13000 vect_strip_conversion.
13002 * modulo-sched.c (create_partial_schedule,
13003 free_partial_schedule, reset_partial_schedule): Make them
13006 * hooks.c (hook_bool_rtx_int_false): Remove.
13007 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
13009 2006-01-28 David Edelsohn <edelsohn@gnu.org>
13011 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13012 and -mlong-double-128 are incompatible.
13013 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
13014 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
13015 (TARGET_LIBGCC2_CFLAGS): Define.
13016 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
13017 (TARGET_LIBGCC2_CFLAGS): Same.
13018 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
13020 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
13023 * c-typeck.c (build_binary_op): Perform implicit casts of
13024 operands before shortening them.
13026 * cfgloopmanip.c (split_loop_bb): Remove.
13027 * cfgloop.h: Remove the prototype for split_loop_bb.
13029 * cfgloop.c (flow_loop_outside_edge_p): Remove.
13030 * cfgloop.h: Remove the prototype for
13031 flow_loop_outside_edge_p.
13033 * emit-rtl.c (init_virtual_regs): Make it static.
13034 * function.h: Remove the prototype for init_virtual_regs.
13036 * recog.c (peephole2_optimize): Make it static.
13037 * recog.h: Remove the prototype for peephole2_optimize.
13039 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13041 * df-scan.c (df_record_entry_block_defs): Check if
13042 INCOMING_RETURN_ADDR_RTX is defined.
13044 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
13045 Kenneth Zadeck <zadeck@naturalbridge.com>
13047 PR rtl-optimization/24762
13048 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13049 * targhooks.c (hook_void_bitmap): New hook prototype.
13050 * targhoohs.h (hook_void_bitmap): Ditto.
13051 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
13052 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
13053 * target.h (live_on_entry): New function pointer.
13054 * df-scan.c (df_all_hard_regs): Removed.
13055 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
13056 (df_scan_free_internal): Added df->entry_block_defs.
13057 (df_scan_alloc): Ditto.
13058 (df_scan_dump): Ditto.
13059 (df_uses_record): Plumbed flag field properly thru calls.
13060 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
13061 This part fixes PR24762.
13062 (df_bb_refs_record): Added code to make the frame and arg
13063 pointers live in EH blocks.
13064 (df_refs_record): Added call to df_record_entry_block_defs.
13065 (df_record_entry_block_defs): New function.
13066 * df-core.c: Added comments to describe new artifical defs.
13067 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
13068 (entry_block_defs): New field in struct df.
13069 (df_all_hard_regs): Deleted.
13070 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
13071 * df-problems.c (df_ru_bb_local_compute_process_def):
13072 Added code to handle artifical defs in the entry to a function.
13073 (df_ru_bb_local_compute): Ditto.
13074 (df_rd_bb_local_compute_process_def): Ditto.
13075 (df_rd_bb_local_compute): Ditto.
13076 (df_lr_bb_local_compute): Ditto.
13077 (df_ur_bb_local_compute): Ditto.
13078 (df_urec_bb_local_compute): Ditto.
13079 (df_chain_create_bb): Ditto.
13080 (df_ur_local_finalize): Removed entry.
13081 (df_urec_init): Ditto.
13082 (df_urec_local_finalize): Ditto.
13083 (df_ri_bb_compute): Added detection of last use of pseudos.
13084 * Makefile.in (df-scan.o): Updated dependencies.
13085 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
13086 * config/mips/mips.c (mips_set_live_on_entry): Added.
13087 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
13089 * dce.c (marked_insn_p): Added code to handle artifical defs.
13091 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
13093 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
13095 (_mm_cvtsi128_si64): Likewise.
13096 (_mm_cvtsd_si64): Likewise.
13097 (_mm_cvttsd_si64): Likewise.
13098 (_mm_cvtsi64_sd): Likewise.
13099 (_mm_cvtsi64_si128): Likewise.
13100 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13101 (_mm_cvtsi64_m64): Likewise.
13102 (_m_to_int64): Likewise.
13103 (_mm_cvtm64_si64): Likewise.
13104 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13105 (_mm_cvttss_si64): Likewise.
13106 (_mm_cvtsi64_ss): Likewise.
13107 (_mm_cvtss_f32): Likewise.
13109 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13111 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13112 for pragma redefine_extname.
13114 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13117 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13118 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13119 -mno-minimal-toc to previous content.
13120 (bispecs): Remove goal.
13121 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13122 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13123 compatibility aliases on powerpc-*-*gnu*.
13124 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13125 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13126 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13127 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13128 (ldblspecs): New goal.
13129 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13130 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13132 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13133 L_sf_to_tf or L_df_to_tf is defined.
13135 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13136 Alan Modra <amodra@bigpond.net.au>
13139 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13140 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13141 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13142 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13143 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13144 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13145 (rs6000_override_options): Initialize rs6000_ieeequad.
13146 Initialize TFmode format to ibm_extended_format if not
13148 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13150 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13151 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13152 (function_arg_advance): IBM long double passed in two FPRs, not
13154 (function_arg): IBM long double passed in FPRs.
13155 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13156 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13157 Only multireg GPR aligned.
13158 (rs6000_init_libfuncs): Enable IBM long double functions if not
13160 (rs6000_generate_compare): Use IBM long double compare if not
13162 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13163 (TARGET_IEEEQUAD): Define.
13164 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13165 not TARGET_IEEEQUAD.
13166 * config/rs6000/rs6000.md: Enable TFmode patterns if
13168 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13169 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13170 and -mlong-double-128 are incompatible.
13171 * doc/invoke.texi (-mabi): Collect options together. Add
13172 ibmlongdouble and ieeelongdouble.
13174 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13176 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13178 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13179 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13180 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13181 * rtl.h (rtunion_def): Remove rt_ptr.
13183 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13184 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13185 * config/i386/winnt.c (i386_pe_mark_dllexport)
13186 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13188 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13190 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13192 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13196 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13197 pthread_key_delete. From John David Anglin. gthrw-ify
13198 pthread_getunique_np only if it it's not a macro. Delete
13200 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13201 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13202 __gthread_objc_condition_signal, __gthread_key_delete): Add
13203 "__attribute__ ((__unused__))" to unused arguments.
13204 (__gthread_recursive_mutex_init_function): Add missing return.
13205 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13206 gthr-posix95.h: Use macro-based approach for name redirection
13207 on targets missing weakref.
13209 2006-01-26 Zack Weinberg <zackw@panix.com>
13211 * genconditions.c (write_header): In generated code, #ifdef out
13212 all includes and fake declarations, except includes of bconfig.h
13213 and system.h, unless GCC_VERSION >= 3001. Do not include
13214 gensupport.h in any case.
13215 (write_conditions): Generate a definition of struct c_test. Add
13216 a comment to the generated #endif.
13217 (write_one_condition): Escape backslashes in string too.
13218 (write_writer): Generated code must escape backslashes and quote
13219 marks (but not newlines) in the strings it writes.
13220 * Makefile.in (build/gencondmd.o): Update dependencies.
13222 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13225 * Makefile.in (insn-automata.o): Add header file dependencies.
13226 * genautomata.c: Add includes.
13228 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13231 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13233 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13235 * configure.ac: Expect target tools paths to be passed from the toplevel
13236 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13238 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13240 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13243 * c.opt (Wpointer-sign): Init to -1.
13244 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13245 OPT_pedantic, to 0 otherwise.
13246 * doc/invoke.texi: Update.
13248 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13250 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13251 constants provided by 80387 instructions in the destination mode.
13253 2006-01-26 Richard Guenther <rguenther@suse.de>
13254 Andrew Pinski <pinskia@physics.uc.edu>
13257 partial PR tree-opt/17064
13258 * tree-ssa-structalias.c (intra_create_variable_infos):
13259 Create heap variables for incoming parameters if
13260 flag_argument_noalias > 1.
13261 (find_what_p_points_to): Look through default defs of
13264 2006-01-26 Jeff Law <law@redhat.com>
13267 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13268 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13269 within the VR_RANGE, use the VR_RANGE as the result, not the
13271 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13272 bounds for the type.
13274 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13276 * tree-ssa-alias.c (maybe_create_global_var): Change
13277 subvar walking to an assertion that we don't have subvar'd variables.
13279 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13282 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13283 Use a new variable, inner. PARM_DECLs are always non-weak.
13285 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13287 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13288 --disable-checking.
13290 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13292 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13294 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13296 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13297 (smax_insn, smin_insn, smax_0, smin_0): New.
13299 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13302 * config/cris/cris.c (cris_order_for_addsi3): New function.
13303 * config/cris/cris-protos.h: Prototype it.
13304 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13305 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13306 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13307 (split for "op.S1 [rx=rx+i],ry (swapped)")
13308 (split for "op(s|u).S1 [rx=rx+i],ry")
13309 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13310 Apply cris_order_for_addsi3 when generating addsi3 insns.
13312 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13314 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13315 (TREE_BLOCK): Add call to EXPR_CHECK.
13317 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13320 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13321 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13322 (dump_omp_clauses): ... here.
13323 (dump_generic_node): Handle OMP_CLAUSE.
13324 * tree.c (omp_clause_num_ops): New.
13325 (omp_clause_code_name): New.
13326 (tree_code_size): Handle OMP_CLAUSE.
13327 (tree_size): Likewise.
13328 (make_node): Document handling of OMP_CLAUSE.
13329 (tree_node_structure): Handle OMP_CLAUSE.
13330 (omp_clause_check_failed): New.
13331 (omp_clause_range_check_failed): New.
13332 (omp_clause_operand_check_failed): New.
13333 (build_omp_clause): New.
13334 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13335 * tree.h (enum omp_clause_code): Declare.
13336 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13337 (OMP_CLAUSE_RANGE_CHECK): Define.
13338 (OMP_CLAUSE_ELT_CHECK): Define.
13339 (omp_clause_check_failed): Declare.
13340 (omp_clause_operand_check_failed): Declare.
13341 (omp_clause_range_check_failed): Declare.
13342 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13343 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13344 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13345 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13346 (OMP_CLAUSE_IF_EXPR): Likewise.
13347 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13348 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13349 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13350 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13351 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13352 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13353 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13354 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13355 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13356 (OMP_CLAUSE_CODE): Define.
13357 (OMP_CLAUSE_SET_CODE): Define.
13358 (OMP_CLAUSE_CODE): Define.
13359 (OMP_CLAUSE_OPERAND): Define.
13360 (struct tree_omp_clause): Declare.
13361 (union tree_node): Add field 'omp_clause'.
13362 * treestruct.def (TS_OMP_CLAUSE): Define.
13363 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13364 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13365 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13366 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13367 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13368 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13369 (OMP_CLAUSE): Define.
13370 * print-tree.c (print_node): Handle OMP_CLAUSE.
13371 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13372 * c-typeck.c: Likewise.
13373 * gimplify.c: Likewise.
13374 * c-omp.c: Likewise.
13375 * tree-nested.c: Likewise.
13376 * tree-inline.c: Likewise.
13377 * c-parser.c: Likewise.
13378 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13381 2006-01-25 Roger Sayle <roger@eyesopen.com>
13383 PR rtl-optimization/25703
13384 * combine.c (try_combine): Handle zero_extract and strict_low_part
13385 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13387 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13389 * global.c: Fix comment typos.
13391 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13394 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13395 Use output_addr_const instead of assemble_name.
13397 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13399 * Makefile.in (sched-vis.o): Update dependencies.
13400 * haifa-sched.c (sched_finish): Clear current_sched_info.
13401 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13402 (dump_flow_info): Call it.
13403 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13405 * basic-block.h (dump_bb_info): Declare.
13406 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13407 option, and apply options only for dump files whose TDF_RTL,
13408 TDF_TREE, or TDF_IPA bits match.
13409 * rtl.h: Declare new functions exported from sched-vis.c.
13410 * sched-vis.c: Enable also if scheduling is not used.
13411 (print_value): Print the mode of registers if not inside scheduling.
13412 (print_insn): Make it work outside the scheduler. Beautify the output
13414 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13416 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13418 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13419 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13420 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13421 depending on the value of CONSTANT_POOL_ADDRESS_P.
13422 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13424 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13425 rather than SYMBOL_REF_DECL.
13426 (rtx_constant_pool): Remove const_rtx_sym_htab.
13427 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13428 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13429 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13430 Remove handling of const_rtx_sym_htab.
13431 (find_pool_constant): Delete.
13432 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13433 rather than find_pool_constant.
13434 (get_pool_constant_for_function): Delete.
13435 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13436 find_pool_constant.
13437 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13438 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13439 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13440 (SYMBOL_REF_CONSTANT): New macro.
13441 (get_pool_constant_for_function): Delete.
13442 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13443 rather than SYMBOL_REF_DECL.
13444 (i386_pe_mark_dllimport): Likewise.
13445 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13446 rather than SYMBOL_REF_DECL.
13447 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13448 (machopic_indirect_call_target): Likewise.
13450 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13452 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13454 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13456 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13458 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13460 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13462 2006-01-24 David Daney <ddaney@avtrex.com>
13465 * configure.ac (enable_tls): New enable option.
13466 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13467 * configure: Regenerate.
13468 * doc/install.texi (--enable-tls): Document new option.
13469 (--disable-tls): Ditto.
13471 2006-01-24 Richard Henderson <rth@redehat.com>
13473 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13474 * alias.c (true_dependence): Respect it.
13475 (canon_true_dependence, write_dependence_p): Likewise.
13476 * builtins.c (get_builtin_sync_mem): Set it.
13478 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13480 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13483 2006-01-24 DJ Delorie <dj@redhat.com>
13485 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13486 for storing constants in single-bit bitfields.
13488 2006-01-25 Ben Elliston <bje@au.ibm.com>
13490 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13492 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13495 * tree-ssa-pre.c (phi_translate): Return NULL
13496 for AGGREGATE_TYPE's.
13498 2006-01-24 Zack Weinberg <zackw@panix.com>
13500 * genautomata.c (process_state_for_insn_equiv_partition):
13501 Use xcalloc for insn_arcs_array.
13502 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13503 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13505 2006-01-24 Richard Henderson <rth@redhat.com>
13507 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13508 update all callers.
13510 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13512 PR rtl-optimization/25890
13513 PR rtl-optimization/25905
13514 * combine.c (expand_compound_operation, expand_field_assignment):
13515 Fail if the bitfield's final position is out of bounds.
13517 2006-01-24 Ian Lance Taylor <ian@airs.com>
13519 PR middle-end/25930
13520 * cgraphunit.c (cgraph_output_in_order): Don't clear
13521 cgraph_asm_nodes until after asm strings have been output.
13523 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13525 * fix-header.c (read_scan_file): Add new parameter imultilib when
13526 calling register_include_chains.
13528 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13530 * omp-low.c: Update documentation.
13532 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13533 Daniel Berlin <dberlin@dberlin.org>
13537 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13538 return from the function.
13540 2006-01-22 Zack Weinberg <zackw@panix.com>
13542 * rtl.def (match_code): Add second argument.
13543 * genpreds.c (write_extract_subexp): New function.
13544 (write_match_code): Add path argument. Use write_extract_subexp.
13545 (write_predicate_expr): Pass path to write_match_code.
13546 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13547 not perform a mode test.
13548 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13549 a subexpression does not constrain the top-level code set.
13550 * read-rtl.c (read_rtx_variadic): New function.
13551 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13552 * doc/md.texi: Document new notation.
13553 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13554 (cmpsi_operand): ... here, using new notation.
13556 2006-01-22 Zack Weinberg <zackw@panix.com>
13558 * varray.c: Remove GENERATOR_FILE #ifdefs.
13560 2006-01-22 Zack Weinberg <zackw@panix.com>
13562 * genautomata.c (output_reserved_units_table): Emit nothing if
13563 description->query_units_num is zero. Remove extra blank line.
13564 (output_cpu_unit_reservation_p): Short circuit
13565 if description->query_units_num is zero.
13567 2006-01-22 Zack Weinberg <zackw@panix.com>
13569 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13570 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13571 nor any of the random handful of variables that used to be necessary
13572 when this program was linked with rtlanal.o. Prune set of forward
13573 function declarations.
13574 (struct attr_desc): Remove static_p field.
13575 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13576 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13577 (attr_string): Do not read the character one past the length of
13579 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13580 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13581 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13582 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13583 (make_automaton_attrs): New.
13584 (main): Do not call into genautomata. Call local gen_bypass
13585 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13586 Remove special case for insn_alts.
13587 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13588 varray.h (leftover from previous change). Prune set of forward
13589 function declarations. Remove state_alts fields from all
13590 structures. Remove state_alts_table from struct automaton.
13591 Make everything except main static. Do not maintain num_dfa_decls.
13592 Do not maintain state_alts fields of various structures.
13593 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13594 (add_arc): Remove state_alts argument. All callers updated.
13595 (output_reserved_units_table): Emit #ifdef here...
13596 (output_tables): ...not here. Don't generate state_alts tables.
13597 (expand_automata): Don't generate attributes.
13598 (write_automata): Don't generate state_alts functions.
13599 (main): New function.
13600 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13601 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13602 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13603 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13604 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13605 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13606 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13607 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13609 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13610 * genattrtab.h: Delete file.
13611 * Makefile.in (OBJS-common): Add insn-automata.o.
13612 (insn-automata.o): New rule.
13613 (simple_generated_c): Add insn-automata.c.
13614 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13615 (genprogmd): Add automata.
13616 (build/genattrtab): Needs no extra objects nor libraries.
13617 (build/genautomata): Needs build/vec.o and -lm.
13619 2006-01-22 Zack Weinberg <zackw@panix.com>
13621 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13622 (output_dfa_max_issue_rate, locked_states_num): Delete.
13623 (struct automaton): Add locked_states field.
13624 (output_dead_lock_vect): Save number of locked states in
13625 automaton->locked_states. If it is zero, don't print anything.
13626 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13627 (output_internal_dead_lock_func): Only test the dead_lock_vect
13628 for automata that have locked states.
13629 (output_statistics): Always print the number of locked states for
13630 each automaton. Calculate total number of locked states here.
13631 (write_automata): Don't call output_dfa_max_issue_rate.
13632 * genattrtab.c: Define length_unit_log as a const variable.
13633 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13634 max_insn_queue_index const.
13635 * final.c (length_unit_log): Declare const.
13636 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13638 2006-01-22 Zack Weinberg <zackw@panix.com>
13640 * genautomata.c: Include vec.h, not varray.h.
13641 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13642 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13643 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13644 VEC_* macros operating on appropriately typed vectors, or to
13645 malloced arrays when the size is known in advance. Const-ify
13646 many char* variables and function arguments. No functional changes.
13647 * Makefile.in (build/varray.o): Delete rule.
13648 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13649 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13651 2006-01-22 Zack Weinberg <zackw@panix.com>
13653 * gensupport.c: Define get_insn_name and record_insn_name here.
13654 (read_md_rtx): Call record_insn_name as appropriate.
13655 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13656 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13657 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13659 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13660 (BUILD_VARRAY): Delete.
13661 (genprognormal): Rename genprogmd. Fold in all programs from
13662 genprognoprint; also attrtab.
13663 (build/genattrtab): Just mention genautomata.o and varray.o.
13664 Reorganize a bit, add comments to make the categories clearer.
13666 2006-01-22 Zack Weinberg <zackw@panix.com>
13668 * genconditions.c (condition_table, add_condition): Delete.
13669 (write_conditions): Don't emit n_insn_conditions nor
13670 insn_elision_unavailable. Issue the gcc version #ifdef here,
13671 inside the table, with no #else clause ...
13672 (write_header): ...not here.
13673 (write_writer): New function.
13674 (main): Don't initialize condition_table. Use add_c_test.
13676 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13677 files on the command line.
13678 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13679 Return -1 if there is no entry in the table, don't abort.
13680 (add_c_test, traverse_c_tests): New functions.
13681 * gensupport.h (insn_elision_unavailable, insn_conditions)
13682 (n_insn_conditions): Delete declarations.
13683 (add_c_test, traverse_c_tests): Declare.
13684 * read-rtl.c: Include gensupport.h.
13685 (read_conditions): New function.
13686 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13687 (read_rtx_1): If we get EOF when we were looking for an initial
13688 open paren, return 0. Call read_conditions when appropriate.
13689 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13690 dummy-conditions.o. Eliminate references to insn-conditions.o,
13691 or change them to build/gencondmd.o, as appropriate. Remove
13692 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13693 from $(simple_generated_c). For all files remaining in those
13694 two lists, add insn-conditions.md to the generator command line.
13695 Give insn-constants.h/s-constants their own rules. Add rules
13696 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13697 (build/read-rtl.o): Depend on gensupport.h.
13698 (genprognormal): Include preds.
13699 (genprogearly): Rename genprognoprint; only difference is now that
13700 they don't link with $(BUILD_PRINT).
13701 * dummy-conditions.c: Delete.
13703 2006-01-22 Zack Weinberg <zackw@panix.com>
13705 * genextract.c: Don't include insn-config.h. Do include vec.h.
13706 Declare vectors of int, char, and locstr.
13707 (locstr): New typedef.
13708 (struct extraction): Make all array fields into bare pointers.
13709 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13710 (insn_code_number): Delete.
13711 (accum_extract): New struct.
13712 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13713 (gen_insn): Take insn_code_number as an argument. Use an
13714 accum_extract structure instead of loading data directly into
13715 a struct extraction, and having to know how big it might get.
13716 (walk_rtx): Operate entirely on an accum_extract structure.
13717 (print_path): Avoid unnecessary use of printf.
13718 (print_header): New function, split out of main. Distinguish
13719 more carefully between an unrecognizable insn and an insn that
13720 has the code number of a define_expand.
13721 (main): Pass insn_code_number to gen_insn. Call print_header
13722 only after parsing. Avoid unnecessary use of printf.
13723 * Makefile.in (build/vec.o): New rule.
13724 (build/genextract): Depend on build/vec.o.
13725 (build/genextract.o): Don't depend on insn-config.h.
13727 2006-01-22 Zack Weinberg <zackw@panix.com>
13729 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13730 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13731 practical. Eliminate per-generator-program link rules.
13733 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13735 PR middle-end/24437
13736 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13737 with a call expr to ...
13738 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13740 2006-01-23 Richard Guenther <rguenther@suse.de>
13742 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13743 before make_edge with conditional EDGE_TRUE_VALUE.
13745 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13746 Jan Hubicka <jh@suse.cz>
13747 Richard Guenther <rguenther@suse.de>
13749 PR rtl-optimization/25654
13750 * cfgexpand.c (aggregate_contains_union_type): New function.
13751 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13752 for structure variables that contain a union type.
13754 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13756 * gengtype.c (new_structure): Return the structure.
13757 (create_option): Add an extra "next" argument.
13758 (create_field): New function.
13759 (adjust_field_rtx_def): Use create_option and create_field.
13760 Remove a now-unnecessary call to find_structure.
13761 (adjust_field_tree_def): Likewise.
13762 (note_yacc_type): Remove an unnecessary call to find_structure.
13763 * gengtype.h (new_structure): Return the structure.
13764 (create_option): Add an extra argument.
13765 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13766 (option): Adjust calls to create_option.
13768 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13770 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13772 2006-01-22 Paul Brook <paul@codesourcery.com>
13773 Peter Barada <peter@the-baradas.com>
13775 * config/m68k/m68k.md: Add Coldfire FPU support.
13776 Define FP mode macro and associated attributes.
13777 Use it for float mode patterns.
13778 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13779 (LIBCALL_VALUE): Use m68k_libcall_value.
13780 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13781 (m68k_function_value): Ditto.
13782 (emit_move_sequence): Ditto.
13783 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13784 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13785 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13786 (MULTILIB_EXCEPTIONS): Ditto.
13787 * config/m68k/m68k.opt: Add mcfv4e.
13788 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13789 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13790 (m68k_output_function_prologue): Save ColdFire FPU registers.
13791 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13792 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13793 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13794 ColdFire FPU registers.
13795 (m68k_libcall_value, m68k_function_value): New functions.
13796 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13797 (LIBCALL_VALUE): Use m68k_libcall_value.
13798 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13799 (MASK_COLDFIRE): Add MASK_CFV4E.
13800 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13801 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13802 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13803 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13804 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13805 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13806 * doc/invoke.tex: Document -mcfv4e on m68k.
13808 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13810 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13813 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13816 * c-opts.c (c_common_handle_option): Don't include
13817 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13818 * doc/invoke.texi (C++ Dialect Options): Document that
13819 -Wnon-virtual-dtor is no longer included in -Wall.
13821 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13823 * gcov.c (print_version), gcov-dump.c (print_version),
13824 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13827 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13829 * df-scan.c (problem_SCAN): Added NULL reset function.
13830 (df_scan_reset_blocks): Added code to call reset block function
13831 (df_bb_refs_delete) Fixed comment.
13832 (df_insn_refs_delete): Made tolerant of deleting non existent info
13833 for dataflow problems that need to be reset.
13834 * df-core.c (df_set_blocks): Ditto.
13835 * df.h (struct df_problem): Added reset_fun.
13836 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13837 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13838 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13839 functions to clear out all references to def-use or use-def chains.
13841 2006-01-21 Ben Elliston <bje@au.ibm.com>
13843 * varasm.c (assemble_real): Initialise data array.
13845 2006-01-20 Paul Brook <paul@codesourcery.com>
13847 Merge from csl-arm-branch.
13848 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13849 * config/arm/arm.md (movdi): Force operands[1] to a register
13850 if we have a non-register source.
13851 (*arm_movdi, *movdf_soft_insn): Require that one of the
13852 operands be a register.
13853 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13854 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13856 2006-01-20 DJ Delorie <dj@redhat.com>
13858 * varasm.c (initializer_constant_valid_p): Allow pointers
13859 initialized from integer constants of lesser precision.
13860 (output_constant): Allow non-int-sized pointer modes to be
13861 initialized from integer constants.
13863 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13866 * cppdefault.h (struct default_include): Add multilib flag.
13867 * cppdefault.c (cpp_include_defaults): Set it.
13868 * c.opt (-imultilib): New option.
13869 * c-opts.c (imultilib): New.
13870 (c_common_handle_option): Handle -imultilib.
13871 (c_common_post_options): Likewise.
13872 * c-incpath.c (add_standard_paths, register_include_chains):
13874 * c-incpath.h (register_include_chains): Add extra parameter.
13875 * gcc.c (do_spec_1): Generate -imultilib option.
13876 (The Specs Language): Update %I description.
13877 (process_command): Update copyright notice.
13878 * doc/cppopts.texi (-imultilib): Document.
13879 * doc/invoke.texi (-imultilib): Include in option summary.
13880 (%I): Update specs documentation.
13882 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13884 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13886 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13888 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13891 2006-01-20 Richard Guenther <rguenther@suse.de>
13892 Steven Bosscher <stevenb.gcc@gmail.com>
13894 PR rtl-optimization/24626
13895 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13896 EDGE_TRUE_VALUE if in RTL mode.
13899 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13900 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13902 2006-01-20 Dirk Mueller <dmueller@suse.com>
13905 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13906 instead of a special NOP marker.
13907 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13908 NOP marker handling.
13909 * c-common.h (empty_body_warning): Add forward declaration.
13910 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13911 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13913 2006-01-20 Paul Brook <paul@codesourcery.com>
13915 * Makefile.in (lang_checks): Keep going if mkdir fails.
13917 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13919 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13920 be able to clean out basic block when not necessary.
13921 (df_scan_free): Fixed to properly delete information if df is
13922 unused before calling df_finish.
13923 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13924 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13926 (df_bb_refs_delete): New function.
13927 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13928 * df-core.c (df_set_blocks): Added code to properly clean out
13929 unused blocks if they are not part of the blocks to consider.
13930 Added additional null check.
13931 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13932 be able to clean out basic block when not necessary
13933 * df.h (df_free_bb_function): Ditto.
13934 (df_bb_refs_delete): New function.
13935 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13936 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13937 basic block parameter to be able to clean out basic block when not
13939 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13940 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13941 Fixed to properly delete information if df is unused before
13944 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13946 PR rtl-optimization/25799
13947 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13948 Corrected confluence operator to remove bits from op2 before oring
13949 with op1 rather than removing bits from op1.
13950 (df_ru_transfer_function): Corrected test on wrong bitmap which
13951 caused infinite loop. Both of these problems were introduced in
13952 the dataflow rewrite.
13954 2006-01-19 DJ Delorie <dj@redhat.com>
13956 * reload1.c (find_reload_regs): Note the details of reload
13957 failures in the dump file.
13958 (spill_failure): Likewise.
13960 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13962 * loop-iv.c: Include df.h and hashtab.h.
13963 (enum iv_grd_result): New enum.
13964 (DF_REF_IV, DF_REF_IV_SET): New macros.
13965 (struct biv_entry): New.
13966 (df, bivs): New global variables.
13967 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13968 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13970 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13971 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13972 analyzed_for_bivness_p, record_biv): New functions.
13973 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13974 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13975 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13977 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13979 (iv_number_of_iterations): Use new interface to iv analysis.
13980 * loop-unroll.c: Do not include varray.h.
13981 (analyze_iv_to_split_insn): Use new interface to iv
13983 * loop-unswitch.c (may_unswitch_on): Ditto.
13984 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13986 (df_bb_modify): Realloc tables to the new index.
13987 (df_find_use): New function.
13988 * df.h (df_find_use): Declare.
13989 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13991 * cfgloop.h (struct rtx_iv): Remove analysed field.
13992 (iv_get_reaching_def): Removed.
13993 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13994 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13995 (loop-iv.o): Add df.h and hashtab.h dependency.
13996 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13998 2006-01-20 Alan Modra <amodra@bigpond.net.au>
14001 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
14003 (__floatundisf, __floatundidf): Likewise.
14004 * libgcc2.h (IS_IBM_EXTENDED): Define.
14006 2006-01-19 DJ Delorie <dj@redhat.com>
14008 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
14010 2006-01-19 Paul Brook <paul@codesourcery.com>
14012 * config/arm/arm.c (arm_compute_func_type): Treat all functions
14013 as nothrow when unwinding tables are disabled.
14015 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14018 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
14019 of bit-field" when in system header.
14021 2006-01-19 DJ Delorie <dj@redhat.com>
14023 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
14024 the 16 bit shift limit of the m16c.
14026 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
14029 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
14030 * config/i386/i386.c (output_set_got): Output the label if we have one
14031 for the TARGET_DEEP_BRANCH_PREDICTION case.
14033 2006-01-19 Jan Hubicka <jh@suse.cz>
14034 H.J. Lu <hongjiu.lu@intel.com>
14035 Evandro Menezes <evandro.menezes@amd.com>
14037 * invoke.texi (generic): Document
14039 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
14040 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
14041 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
14042 (x86_use_incdec, x86_pad_returns): New variables
14043 (TARGET_CPU_DEFAULT_generic): New constant
14044 (TARGET_CPU_DEFAULT_NAMES): Add generic.
14045 (enum processor_type): Add generic32 and generic64.
14046 * i386.md (cpu attribute): Add generic32/generic64
14047 (movhi splitter): Behave sanely when both partial_reg_dependency and
14048 partial_reg_stall are set.
14049 (K8 splitters): Enable for generic as well.
14050 * predicates.md (incdec_operand): Use TARGET_INCDEC
14051 (aligned_operand): Avoid memory mismatch stalls.
14052 * athlon.md: Enable for generic64, new patterns for 128bit moves.
14053 * ppro.md: Enable for generic32
14054 * i386.c (generic64_cost, generic32_cost): New.
14055 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
14056 (x86_use_leave): Enable for generic64. (x86_use_sahf,
14057 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
14058 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
14059 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
14060 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
14061 x86_partial_reg_dependency, x86_memory_mismatch_stall,
14062 x86_accumulate_outgoing_args, x86_prologue_using_move,
14063 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
14064 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
14065 Enable for generic.
14066 (x86_use_incdec, x86_pad_returns): New.
14067 (override_options): Add generic32 and generic64, translate "generic"
14068 to generic32/generic64 and "i686" to "generic32", refuse
14069 "generic32"/"generic64" as arch target.
14070 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
14071 (ix86_reorg): Honor PAD_RETURNS.
14073 2006-01-19 Diego Novillo <dnovillo@redhat.com>
14075 * tree-pretty-print.c (dump_generic_node): Handle
14076 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
14077 * cgraph.c (cgraph_expand_queue): Rename from
14078 cgraph_analyze_queue. Update all users.
14079 * cgraphunit.c (cgraph_assemble_pending_functions): Process
14080 cgraph_expand_queue.
14081 (cgraph_expand_all_functions): Likewise.
14082 (cgraph_finalize_pending_functions): Remove. Update callers.
14084 * tree.h (OMP_DIRECTIVE_P): Define.
14085 (OMP_PARALLEL_FN): Define.
14086 (OMP_PARALLEL_DATA_ARG): Define.
14087 (OMP_SECTIONS_SECTIONS): Define.
14088 * tree-pass.h (pass_expand_omp): Declare.
14089 * omp-low.c (struct omp_region): Declare.
14090 (struct omp_context): Remove fields 'parallel_type',
14091 'parallel_start_ix' and 'parallel_start_additional_args'.
14093 (struct omp_for_data): Rename from struct expand_omp_for_data.
14094 (omp_regions): New static variable.
14095 (root_omp_region): New static variable.
14096 (find_omp_clause): Make static.
14097 (is_in_combined_parallel_ctx): Remove.
14098 (is_combined_parallel): New.
14099 (extract_omp_for_data): Move earlier in the file.
14100 (workshare_safe_to_combine_p): New.
14101 (get_ws_args_for): New.
14102 (determine_parallel_type): Move earlier in the file.
14103 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14105 (omp_copy_decl): Likewise.
14106 (create_omp_child_function): Likewise.
14107 (lookup_omp_region): New.
14108 (dump_omp_region): New.
14109 (debug_omp_region): New.
14110 (debug_all_omp_regions): New.
14111 (new_omp_region): New.
14112 (scan_omp_parallel): If parallel_nesting_level > 1, the
14113 directive is nested within another parallel directive.
14114 Set OMP_PARALLEL_FN.
14115 (scan_omp_for): Do not try to handle combined parallel+for
14117 Remove FIXME comment.
14118 (scan_omp_nested): Remove.
14119 (scan_omp_1): Do not call scan_omp_nested when
14120 parallel_nesting_level is > 1.
14121 Do not change the DECL_CONTEXT of local variables found.
14122 (lookup_decl_in_outer_ctx): New.
14123 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14124 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14125 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14126 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14127 If CTX is nested, lookup VAR in the outer context when
14128 building copy assignment.
14129 (lower_send_clauses): Rename from expand_send_clauses.
14130 If CTX is nested, lookup VAR in the outer context when
14131 building copy assignments.
14132 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14133 If CTX is nested, lookup VAR in the outer context when
14134 building copy assignments.
14135 (expand_parallel_call): Rename from build_parallel_call.
14136 Handle combined parallel+workshare cases.
14137 Re-implement to emit code into the CFG.
14139 (expand_omp_parallel): Re-implement to emit code into the CFG.
14140 Call move_sese_region_to_fn to outline the sub-graph
14141 containing the parallel region.
14142 (expand_omp_for_1): Remove.
14143 (expand_omp_for_generic): Re-implement to emit code into the
14145 (expand_omp_for_static_nochunk): Likewise.
14146 (expand_omp_for_static_chunk): Likewise.
14147 (expand_omp_for): Likewise.
14148 (expand_omp_sections): Likewise.
14149 (remove_exit_barriers): New.
14150 (expand_omp_synch): New.
14152 (build_omp_regions_1): New.
14153 (build_omp_regions): New.
14154 (execute_expand_omp): New.
14155 (gate_expand_omp): New.
14156 (pass_expand_omp): Define.
14157 (lower_omp_sections): Rename from expand_omp_sections.
14158 Set OMP_SECTIONS_SECTIONS.
14159 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14160 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14161 (lower_omp_single): Rename from expand_omp_simple.
14162 (lower_omp_master): Rename from expand_omp_master.
14163 (lower_omp_ordered): Rename from expand_omp_ordered.
14164 (lower_omp_critical): Rename from expand_omp_critical.
14165 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14166 (lower_omp_for): Re-implement.
14167 (lower_omp_parallel): Re-implement.
14168 (lower_regimplify): Rename from expand_regimplify.
14169 (lower_omp_1): Rename from expand_omp_1.
14170 If there are syntax errors in the program, replace every
14171 OpenMP directive with NOP.
14172 Call lower_omp_* instead of expand_omp_*.
14173 (lower_omp): Rename from expand_omp.
14175 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14176 * tree-gimple.h (enum omp_parallel_type): Remove.
14177 (gimple_boolify): Declare extern.
14178 (find_omp_clause, determine_parallel_type): Remove.
14180 * gimple-low.c (lower_omp_directive): New.
14181 (lower_stmt): Call it.
14182 (record_vars_into): Move from ...
14183 (record_vars): ... here.
14184 Call record_vars_into with current_function_decl.
14186 * gimplify.c (struct gimplify_ctx): Remove fields
14187 combined_pre_p and combined_ctxp. Update users.
14188 (get_formal_tmp_var): Add documentation.
14189 (gimple_boolify): Make extern.
14190 (gimplify_expr_in_ctx): Remove. Update callers.
14191 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14192 will always be a BIND_EXPR.
14193 (gimplify_expr): Handle OMP_RETURN_EXPR.
14194 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14195 (OMP_PARALLEL): Add 3 operands.
14196 (OMP_SECTIONS): Add 1 operand.
14197 (OMP_RETURN_EXPR): Define.
14199 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14200 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14201 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14202 creating a circular free list.
14203 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14205 * tree-flow.h (move_sese_region_to_fn): Declare.
14206 (record_vars_into): Declare.
14207 * tree-cfg.c (make_omp_sections_edges): New.
14208 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14209 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14210 OMP_SECTIONS and OMP_SECTION.
14211 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14212 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14213 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14214 (gather_blocks_in_sese_region): New.
14215 (struct move_stmt_d): Declare.
14216 (move_stmt_r): New.
14217 (move_block_to_fn): New.
14218 (move_sese_region_to_fn): New.
14220 * passes.c (init_optimization_passes): Schedule
14221 pass_expand_omp after pass_init_datastructures.
14223 * tree-ssa-operands.c (get_expr_operands): Handle
14224 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14225 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14227 2006-01-19 Jeff Law <law@redhat.com>
14229 * tree-vrp.c (extract_range_from_assert): Refine the result range
14230 if the variable referenced by the ASSERT_EXPR has a range and
14231 either the tentative result range or the previous range is a
14234 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14236 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14238 2006-01-19 Jan Hubicka <jh@suse.cz>
14240 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14242 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14244 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14245 (expand_compound_operation, expand_field_assignment): Fail if the
14246 bit lengths of an extract operation are out of range.
14247 (make_extraction): Compute wanted_inner_mode based on the position
14248 and length of the extraction. Make it extraction_mode for non-constant
14249 positions, and do not modify offset in that case. When generating a
14250 new MEM, use a mode that can hold the extraction while keeping correct
14251 alignment. Remove code that supported MEMs wrapped by USEs.
14252 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14254 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14256 * config/s390/s390.md ("Y", "y"): New mode attribute.
14257 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14258 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14259 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14260 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14261 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14262 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14263 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14264 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14265 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14266 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14267 "addsi3", "subsi3"): Insn patterns removed.
14268 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14269 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14270 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14271 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14272 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14273 "*sub<mode>3_cconly2"): New insn patterns.
14274 ("addsi3", "subsi3"): New expanders.
14276 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14278 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14279 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14280 existing STMT_VINFO_VECTYPE if available.
14281 (vect_mark_relevant): Add special handling for stmts that are
14282 marked as STMT_VINFO_IN_PATTERN_P.
14283 (vect_analyze_loop): Call vect_pattern_recog.
14284 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14285 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14287 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14288 (vect_recog_func_ptr): New function-pointer type.
14289 * tree-vect-patterns.c: New file.
14290 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14291 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14292 (vect_pattern_recog_1): New functions.
14293 (vect_pattern_recog_funcs): New array of function pointers.
14295 * tree-vectorizer.h (ternary_op): New enum value.
14296 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14297 declaration. Revised documentation. Removed redundant dump prints.
14298 Removed redundant argument. Added support for reduction patterns.
14299 (vectorizable_reduction): Added support for reduction patterns.
14300 (vect_transform_stmt): Added support for patterns.
14302 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14303 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14304 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14305 (expand_widen_pattern_expr): New function.
14306 (init_optabs): Initialize new optabs udot_prod_optab,
14308 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14309 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14310 (expand_widen_pattern_expr): New function declaration.
14311 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14313 * tree-inline.c (estimate_num_insns_1): Added cases for new
14314 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14315 * tree-pretty-print.c (dump_generic_node): Likewise.
14316 (op_prio): Likewise.
14317 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14318 * tree-ssa-operands.c (get_expr_operands): Added case for
14320 * tree-vect-patterns.c (widened_name_p): New function.
14321 (vect_recog_dot_prod_pattern): Added function implementation.
14322 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14323 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14324 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14325 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14327 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14328 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14329 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14330 (init_optabs): Initialize new optabs widen_ssum_optab,
14332 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14333 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14334 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14335 use instead of type of def.
14336 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14337 function implementation.
14338 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14339 widen_ssumv8hi): New.
14341 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14344 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14347 * c-decl.c (add_flexible_array_elts_to_size): New function.
14348 (finish_decl): Use it.
14350 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14352 * diagnostic.h: Include options.h.
14353 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14354 dependancies for diagnostic.h.
14355 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14357 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14359 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14360 (ssa_ro_call_cache_valid): Ditto.
14361 * tree-ssa-alias.c (sort_tags_by_id): New function.
14362 (init_transitive_clobber_worklist): Ditto.
14363 (add_to_worklist): Ditto.
14364 (mark_aliases_call_clobbered): Ditto.
14365 (compute_tag_properties): Ditto.
14366 (set_initial_properties): Ditto.
14367 (compute_call_clobbered): Ditto.
14368 (compute_may_aliases): Call compute_call_clobbered and grouping.
14369 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14370 (compute_flow_insensitive_aliasing): Grouping now happens in our
14372 (setup_pointers_and_addressables): Remove clobbering related code.
14373 (add_may_alias): Ditto.
14374 (replace_may_alias): Ditto.
14375 (get_nmt_for): Ditto.
14376 (create_global_var):
14377 (is_escape_site): Return an escape_type enumeration.
14378 * tree-flow-inline.h (is_call_clobbered): Global var does not
14379 imply call clobbered.
14380 (mark_call_clobbered): Take a reason for marking this. Remove
14381 marking of globalness, and cache invalidation.
14382 (clear_call_clobbered): Remove cache invalidation code.
14383 * tree-dfa.c (dump_variable): If details is on, dump the reason
14385 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14387 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14388 (struct var_ann_d): Ditto.
14389 (enum escape_type): New.
14390 (mark_call_clobbered): Adjust prototype.
14391 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14392 are never call clobbered.
14393 Record reasons for escaping.
14394 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14395 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14396 (ssa_ro_call_cache_valid): Ditto.
14397 (clobbered_v_may_defs): Ditto.
14398 (clobbered_vuses): Ditto.
14399 (ro_call_vuses): Ditto.
14400 (clobber_stats): New.
14401 (init_ssa_operands): Zero out clobber stats.
14402 (fini_ssa_operands): Print out clobber stats.
14403 (get_call_expr_operands): Pass callee fndecl to
14404 add_call_read_ops).
14405 (add_call_clobber_ops): Remove use of cache.
14406 Add use of PURE_CONST information.
14407 (add_call_read_ops): Remove use of cache.
14408 Add use of static not_read information.
14410 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14412 Introduce TLS descriptors for i386 and x86_64.
14413 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14414 (TARGET_ANY_GNU_TLS): New macro.
14415 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14416 (struct machine_function): Add tls_descriptor_call_expanded_p.
14417 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14418 (ix86_current_function_calls_tls_descriptor): Likewise.
14419 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14420 (override_options): Introduce gnu2 tls dialect.
14421 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14423 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14425 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14426 (ix86_init_machine_status): Initialize new field.
14427 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14428 (ix86_tls_module_base): New.
14429 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14430 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14431 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14432 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14433 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14434 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14435 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14436 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14437 * config/i386/predicates.md (tls_modbase_operand): New.
14438 (tp_or_register_operand): New.
14440 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14442 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14443 (look_for_address_of): Ditto.
14444 (ipa_init): Walk the function decls.
14445 (static_execute): Don't set readonly on FUNCTION_DECL's.
14447 2006-01-18 Roger Sayle <roger@eyesopen.com>
14449 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14450 for shifts where the source and destination registers are different.
14452 2006-01-18 Paul Brook <paul@codesourcery.com>
14454 Merge from csl-arm-branch.
14455 2005-03-14 Julian Brown <julian@codesourcery.com>
14456 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14457 (aeabi_llsl): Likewise.
14458 (ashrdi3): Likewise.
14459 (aeabi_lasr): Likewise.
14460 (lshrdi3): Likewise.
14461 (aeabi_llsr): Likewise.
14462 2005-03-10 Julian Brown <julian@codesourcery.com>
14463 * config.gcc: Disable shared libgcc for SymbianOS.
14464 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14466 2006-01-18 DJ Delorie <dj@redhat.com>
14468 * c-pragma.c (handle_pragma_diagnostic): New.
14469 (init_pragma): Register it.
14470 * doc/extend.texi: Document it.
14472 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14473 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14474 (diagnostic_context): Add classify_diagnostic[].
14475 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14476 as errors if they're overridden to DK_WARNING.
14477 (diagnostic_initialize): Initialize classify_diagnostic[].
14478 (diagnostic_set_kind_override): New.
14479 (diagnostic_report_diagnostic): Check for kind changes.
14480 * opts.c (common_handle_option): Take lang_mask. Update callers.
14481 Handle OPT_Werror_.
14482 * common.opt (Werror=): New.
14483 * doc/invoke.texi: Document -Werror=*
14485 2006-01-18 Jeff Law <law@redhat.com>
14487 * tree-vrp.c (test_for_singularity): Correct test for new
14488 min limit. Use operand_equal_p rather than pointer equality
14489 for testing if new min/max values are equal.
14491 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14492 using range information until after propagation and folding.
14494 2006-01-18 Richard Henderson <rth@redhat.com>
14495 Aldy Hernandez <aldyh@redhat.com>
14496 Jakub Jelinek <jakub@redhat.com>
14497 Diego Novillo <dnovillo@redhat.com>
14499 * omp-low.c: New file.
14500 * c-omp.c: New file.
14502 2006-01-18 Richard Henderson <rth@redhat.com>
14503 Jakub Jelinek <jakub@redhat.com>
14504 Diego Novillo <dnovillo@redhat.com>
14506 * doc/invoke.texi: Document -fopenmp.
14507 * tree-dump.h (debug_function): Declare.
14508 * hooks.c (hook_bool_tree_bool_false): New function.
14509 (hook_tree_tree_null): Remove.
14510 (hook_tree_tree_tree_null): New.
14511 * hooks.h: Update to match.
14512 * tree-pretty-print.c (debug_tree_chain): New.
14513 (print_generic_expr): Handle TDF_CHAIN.
14514 (dump_generic_node): Handle BLOCK.
14515 Do not abort with incomplete SWITCH_EXPRs.
14516 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14517 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14518 print space after directive name.
14519 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14520 Handle OMP_MASTER and OMP_ORDERED.
14521 Handle printing of OMP_BODY just in one place, goto
14522 dump_omp_body in the rest of OMP_* nodes that have
14524 Don't handle clause nodes here. Update omp statements to
14525 use dump_omp_clauses.
14526 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14527 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14528 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14529 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14530 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14531 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14532 Adjust output for GOMP_PARALLEL.
14533 (dump_omp_clauses): New.
14534 (print_declaration): Dump DECL_VALUE_EXPR.
14535 (op_symbol_1): Split out of op_symbol.
14536 (dumping_stmts): Remove. Update all users.
14537 * cgraph.c (cgraph_analyze_queue): New.
14538 (cgraph_add_new_function): New.
14539 * cgraph.h (cgraph_analyze_queue): Declare.
14540 (cgraph_add_new_function): Declare.
14541 (cgraph_lower_function): Remove.
14542 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14543 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14544 and TYPE_P nodes in its default clause.
14545 (empty_body_p): New.
14546 (tree_range_check_failed): New.
14547 (build5_stat): New.
14548 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14549 OMP_CLAUSE_REDUCTION_MERGE,
14550 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14551 OMP_CLAUSE_PRIVATE_DEBUG,
14552 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14553 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14554 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14555 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14556 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14557 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14558 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14559 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14560 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14561 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14562 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14563 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14564 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14565 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14566 (TREE_RANGE_CHECK): New.
14567 (empty_body_p): Declare.
14568 (enum omp_clause_default_kind): New.
14569 (build_string_literal): Declare.
14570 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14571 (build5_stat, build5): Declare.
14572 * tree-pass.h (TDF_CHAIN): Define.
14573 * tree-pass.h (PROP_gimple_lomp): Define.
14574 (pass_lower_omp): Declare.
14575 * diagnostic.h (debug_tree_chain): Declare.
14576 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14578 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14579 * builtins.c (build_string_literal): Make extern.
14580 * gcc.c (include_spec_function): New.
14581 (static_spec_functions): Add it.
14582 (main): Move load of libgomp.spec ...
14583 (LINK_COMMAND_SPEC): ... here.
14584 (link_gomp_spec): New.
14585 (static_specs): Include it.
14586 (LINK_COMMAND_SPEC): Add link_gomp.
14587 (GOMP_SELF_SPECS): New.
14588 (driver_self_specs): Include it.
14589 (switch_matches): Don't mark inline.
14590 (main): Load libgomp.spec.
14591 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14592 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14593 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14594 * tree-gimple.h (enum omp_parallel): Declare.
14595 (determine_parallel_type): Declare.
14596 (omp_firstprivatize_variable): Declare.
14597 (omp_reduction_init): Declare.
14598 (diagnose_omp_structured_block_errors): Declare.
14599 (struct walk_stmt_info): Add want_return_expr.
14600 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14601 (find_omp_clause): Declare.
14602 (insert_field_into_struct): Declare.
14603 (struct walk_stmt_info): Move from tree-nested.c
14604 (walk_stmts): Declare.
14605 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14607 * cgraphunit.c (cgraph_lower_function): Make static.
14608 (cgraph_finalize_pending_functions): New.
14609 (cgraph_finalize_function): Call it.
14610 (cgraph_finalize_compilation_unit): Likewise.
14611 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14612 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14613 (BT_FN_UINT_UINT): New.
14614 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14615 DEF_FUNCTION_TYPE_VAR_4): Document.
14616 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14617 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14618 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14619 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14620 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14621 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14622 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14623 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14624 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14625 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14626 into separate files.
14627 (DEF_GOMP_BUILTIN): New.
14628 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14629 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14630 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14631 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14632 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14633 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14634 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14635 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14636 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14637 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14638 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14639 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14640 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14641 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14642 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14643 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14644 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14645 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14646 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14647 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14648 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14649 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14650 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14651 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14652 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14653 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14654 * sync-builtins.def: New file, moved from builtins.def.
14655 * omp-builtins.def: New file, moved from builtins.def.
14656 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14657 * gimple-low.c (lower_function_body): Clear data.
14658 (lower_stmt): Do not handle COMPOUND_EXPR.
14659 Remove call to print_node_brief.
14660 * c-tree.h (c_finish_omp_clauses): New prototype.
14661 (C_DECL_THREADPRIVATE_P): Define.
14662 (lookup_name_no_remap, c_omp_remap_private): Remove
14663 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14664 (check_for_loop_decls): Update decl.
14665 (lookup_name_no_remap, c_omp_remap_private): Declare.
14666 (build_indirect_ref, build_modify_expr, pushdecl,
14667 pushdecl_top_level): Move to c-common.h.
14668 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14669 before the switch, but just in the 2 places that need it.
14670 * c-decl.c (diagnose_mismatched_decls): Do not check for
14671 mismatched thread-local attributes when OLDDECL is marked
14672 threadprivate and NEWDECL has no thread-local attributes.
14673 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14674 (c_gimple_diagnostics_recursively): Rename from
14675 c_warn_unused_result_recursively. Invoke
14676 diagnose_omp_structured_block_errors.
14677 (check_for_loop_decls): Return a singular decl found.
14678 * langhooks.c (lhd_omp_predetermined_sharing): Return
14679 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14680 (lhd_omp_firstprivatize_type_sizes): New.
14681 (lhd_omp_assignment): New.
14682 (lhd_omp_predetermined_sharing): New.
14683 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14684 (struct lang_hooks_for_types): Add
14685 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14686 omp_predetermined_sharing, omp_disregard_value_expr,
14687 omp_private_debug_clause, omp_clause_default_ctor,
14688 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14689 (c_finish_omp_clauses): New.
14690 (c_finish_bc_stmt): Diagnose break within omp for.
14691 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14692 (build_unary_op): Return error_mark after reporting
14694 (build_modify_expr): Likewise.
14695 * gimplify.c: Include optabs.h and pointer-set.h.
14696 (enum gimplify_omp_var_data): Declare.
14697 (struct gimplify_omp_ctx): Declare.
14698 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14700 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14701 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14702 (splay_tree_compare_decl_uid): New.
14703 (new_omp_context): New.
14704 (delete_omp_context): New.
14705 (gimple_add_tmp_var): Call omp_add_variable.
14706 (gimplify_bind_expr): Likewise.
14707 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14708 true, disregard DECL_VALUE_EXPR on the decl if any.
14709 (gimplify_expr_in_ctx): New.
14710 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14711 omp_add_variable, omp_notice_variable, omp_is_private
14712 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14713 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14714 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14715 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14716 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14717 gimplify_omp_atomic): New.
14718 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14719 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14720 OMP_CRITICAL and OMP_ATOMIC.
14721 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14722 * c-pragma.h (enum pragma_kind): Add
14723 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14724 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14725 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14726 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14727 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14728 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14729 PRAGMA_OMP_THREADPRIVATE.
14730 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14731 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14732 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14733 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14734 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14735 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14736 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14737 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14738 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14739 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14740 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14741 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14742 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14744 (struct nesting_info): Add field_map,
14745 suppress_expansion, debug_var_chain.
14746 (create_nesting_tree): Initialize them.
14747 (lookup_field_for_decl): Use field_map.
14748 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14749 (convert_local_omp_clauses): New.
14750 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14751 (walk_body): Split out of walk_function.
14752 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14753 (convert_nonlocal_reference): Handle omp statements.
14754 (convert_local_reference): Likewise.
14755 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14756 (unnest_nesting_tree): New.
14757 (lower_nested_functions): Call it.
14758 (insert_field_into_struct): Make extern.
14759 (struct walk_stmt_info): Move to tree-gimple.h.
14760 (walk_stmts): Make extern.
14761 * omp-builtins.def: New file.
14762 * tree-iterator.c (expr_only): Clarify comment.
14763 * c-common.h (pushdecl_top_level, pushdecl,
14764 build_modify_expr, build_indirect_ref,
14765 c_finish_omp_master, c_finish_omp_critical,
14766 c_finish_omp_ordered, c_finish_omp_barrier,
14767 c_finish_omp_atomic, c_finish_omp_flush,
14768 c_finish_omp_for, c_split_parallel_clauses,
14769 omp_clause_default_kind, c_omp_sharing_predetermined,
14770 c_omp_remap_decl): Declare.
14771 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14772 (OBJS-common): Add omp-low.o.
14773 (c-omp.o, omp-low.o): Add.
14774 (gimplify.o): Add dependency on $(OPTABS_H).
14775 (GTFILES): Add omp-low.c.
14776 (gt-stringpool.h): Add.
14777 * tree-cfg.c (set_bb_for_stmt): Do not update the
14778 block-to-labels map if we are currently expanding to RTL.
14779 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14781 Handle IDENTIFIER_NODE.
14782 (tree_verify_flow_info): Do not ICE when emitting error
14783 messages about invalid labels.
14784 (dump_function_to_file): Reset CFUN before emitting the body
14786 (debug_function): New.
14787 * passes.c (init_optimization_passes): Schedule
14789 * langhooks-def.h (lhd_omp_predetermined_sharing,
14790 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14792 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14793 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14794 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14795 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14796 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14797 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14798 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14799 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14800 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14801 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14802 (LANG_HOOK_DECLS): Use them.
14804 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14805 Richard Henderson <rth@redhat.com>
14806 Jakub Jelinek <jakub@redhat.com>
14807 Diego Novillo <dnovillo@redhat.com>
14809 * c-parser.c (pragma_omp_clause): Define.
14810 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14811 (c_parser_compound_statement): Likewise.
14812 (c_parser_statement): Likewise.
14813 (c_parser_pragma): Handle omp pragmas.
14814 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14815 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14816 (c_parser_omp_clause_name, check_no_duplicate_clause,
14817 c_parser_omp_variable_list,
14818 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14819 c_parser_omp_clause_copyprivate,
14820 c_parser_omp_clause_default,
14821 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14822 c_parser_omp_clause_lastprivate,
14823 c_parser_omp_clause_nowait,
14824 c_parser_omp_clause_num_threads,
14825 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14826 c_parser_omp_clause_reduction,
14827 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14828 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14829 c_parser_omp_atomic, c_parser_omp_barrier,
14830 c_parser_omp_critical, c_parser_omp_flush,
14831 c_parser_omp_for_loop, c_parser_omp_for,
14832 c_parser_omp_master, c_parser_omp_ordered,
14833 c_parser_omp_sections_scope, c_parser_omp_sections,
14834 c_parser_omp_parallel, c_parser_omp_single,
14835 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14836 * c-pragma.c (init_pragma): Do omp pragma registration here.
14837 * c.opt (fopenmp): New flag.
14839 2006-01-18 Eric Christopher <echristo@apple.com>
14841 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14842 * config/darwin.h (GOMP_SELF_SPECS): Define.
14844 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14846 * rtl.h: Remove the prototype for reg_alloc.
14848 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14851 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14852 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14853 sjlj and dwarf2 exception handling.
14854 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14855 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14856 * pa/pa.c (function_value): Treat complex and vector types as
14858 (function_arg): Likewise. Only pass scalar floats in the floating
14859 point argument registers.
14860 * pa/t-slibgcc-dwarf-ver: New file.
14861 * pa/t-slibgcc-sjlj-ver: New file.
14862 * pa/t-slibgcc-elf-ver: Delete file.
14864 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14866 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14867 unlikely_test_section_p test.
14869 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14871 * mode-switching.c (optimize_mode_switching): Make it static.
14872 * basic-block.h: Remove the prototype for
14873 optimize_mode_switching.
14875 * modulo-sched.c (sms_schedule): Make it static.
14876 * rtl.h: Remove the prototype for sms_schedule.
14878 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14879 * rtl.h: Remove the prototype for gcse_after_reload_main.
14881 * reg-stack.c (reg_to_stack): Make it static.
14882 * rtl.h: Remove the prototype for reg_to_stack.
14884 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14886 * rtl.h: Remove the prototypes for regrename_optimize and
14887 copyprop_hardreg_forward.
14889 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14891 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14892 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14893 Test against the appropriate null constant for the mode.
14894 If 'fixup_overlap' is true, swap the operands if they overlap.
14895 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14896 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14897 alpha_split_tmode_pair and adjust for above change.
14898 * config/alpha/alpha.md (movtf_internal): Adjust call to
14899 alpha_split_tfmode_pair and rely on it to swap the operands.
14900 (movti_internal): New insn and post-reload splitter.
14901 (movti): New expander.
14903 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14905 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14908 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14910 * rtlanal.c (global_reg_mentioned_p_1,
14911 global_reg_mentioned_p): Remove.
14912 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14914 * flow.c (initialize_uninitialized_subregs): Make it static.
14915 * rtl.h: Remove the prototype for
14916 initialize_uninitialized_subregs.
14918 * function.c (instantiate_virtual_regs): Make it static.
14919 * function.h: Remove the prototype for
14920 instantiate_virtual_regs.
14922 * regmove.c (regmove_optimize, combine_stack_adjustments):
14924 * rtl.h: Remove the prototypes for regmove_optimize and
14925 combine_stack_adjustments.
14927 2006-01-17 Roger Sayle <roger@eyesopen.com>
14929 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14930 (size_cost): Encode costs in bytes so that a reg-reg addition is
14931 equivalent to COSTS_N_INSNS(1).
14932 (override_options): Use the size_cost.branch_cost as the default
14933 ix86_branch_cost when optimizing for size.
14935 2006-01-18 Ben Elliston <bje@au.ibm.com>
14937 * Makefile.in (D32PBIT_FUNCS): New.
14938 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14939 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14940 D64PBIT_FUNCS and D128PBIT_FUNCS.
14941 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14942 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14944 (decnumber_dep): Define.
14945 * doc/libgcc.texi (Decimal float library routines): New node.
14946 * config/dfp-bit.h, config/dfp-bit.c: New files.
14948 2006-01-18 Ben Elliston <bje@au.ibm.com>
14950 * expr.c (emit_move_change_mode): Always adjust addresses, not
14951 just during reload. Copy replacements only during reload.
14952 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14953 emit_move_via_integer.
14955 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14957 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14958 instead of $(srcdir) and ${srcdir}.
14960 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14963 PR middle-end/11135
14964 * arm.h (struct machine_function): Add pic_reg.
14965 * arm.c (arm_pic_register): Make unsigned.
14966 (arm_override_options): Only set arm_pic_register if
14967 TARGET_SINGLE_PIC_BASE.
14968 (use_return_insn): Only test for a pic register if it is fixed.
14969 (arm_compute_save_reg0_reg12_mask): Likewise.
14970 (thumb_compute_save_reg_mask): Likewise.
14971 (legitimate_pic_operand): Factor out some known invariants.
14972 (legitimize_pic_address): If we don't have a fixed pic register,
14973 then set up a pseudo in the function entry sequence. Handle the
14974 pic base being in a pseudo.
14975 (arm_load_pic_register): Handle the pic register being in a pseudo.
14976 (arm_expand_prologue): Only set up the pic register if it is fixed.
14977 (thumb_expand_prologue): Likewise.
14978 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14979 (pic_load_addr_based_insn): Likewise.
14980 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14983 2006-01-18 Ben Elliston <bje@au.ibm.com>
14985 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14986 decimal float modes for all floating point registers.
14988 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14989 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14991 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14994 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14995 even when the pointer is not NULL.
14997 2006-01-16 Ian Lance Taylor <ian@airs.com>
14999 * common.opt (ftoplevel-reorder): New option.
15000 * cgraph.c (cgraph_asm_nodes): New global variable.
15001 (cgraph_asm_last_node): New static variable.
15002 (cgraph_order): New global variable.
15003 (cgraph_create_node): Set new order field.
15004 (cgraph_varpool_node): Likewise.
15005 (decide_is_variable_needed): Return true if not
15006 flag_toplevel_reorder.
15007 (cgraph_add_asm_node): New function.
15008 * cgraph.h (struct cgraph_node): Add order field.
15009 (struct cgraph_varpool_node): Add order field.
15010 (struct cgraph_asm_node): Define.
15011 (cgraph_asm_nodes, cgraph_order): Declare.
15012 (cgraph_add_asm_node): Declare.
15013 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
15015 (cgraph_varpool_assemble_pending_decls): Call it.
15016 (cgraph_output_pending_asms): New static function.
15017 (cgraph_finalize_compilation_unit): Call it.
15018 (struct cgraph_order_sort): Define.
15019 (cgraph_output_in_order): New static function.
15020 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
15021 !flag_toplevel_reorder case.
15022 * c-parser.c: Include "cgraph.h".
15023 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
15025 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
15026 than -fno-unit-at-a-time.
15027 * doc/invoke.texi (Option Summary): Mention
15028 -fno-toplevel-reorder.
15029 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
15030 -funit-at-a-time documentation.
15032 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
15033 Kazu Hirata <kazu@codesourcery.com>
15035 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
15037 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
15039 * Makefile.in (FUNCTION_H): New. Use it instead of
15040 function.h throughout the file.
15041 * function.h: Include tree.h.
15043 2006-01-17 Ben Elliston <bje@au.ibm.com>
15045 * recog.c: Separate some functions with whitespace.
15047 2006-01-16 Richard Henderson <rth@redhat.com>
15049 Merge from gomp branch:
15050 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
15051 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
15052 and rename from struct inline_data. Rename callee* to dst*;
15053 caller* to src*; add copy_decl hook, transform_call_graph_edges,
15054 transform_new_cfg, transform_return_to_modify, and
15055 transform_lang_insert_block flags; remove cloning_p, versioning_p,
15057 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
15058 (copy_decl_for_dup): Remove.
15059 * tree-inline.c (struct inline_data): Move to header.
15060 (insert_decl_map): Export.
15061 (remap_decl): Update for member name changes. Use copy_decl hook.
15062 Allow for replacement to be a non-decl. Remove dead code.
15063 (remap_type_1): Check for existing mapping.
15064 (remap_type): Export.
15065 (remap_decls): Update for member name changes.
15066 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
15067 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
15068 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
15069 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
15070 (tree_function_versioning, build_duplicate_type): Likewise.
15071 (copy_body_r): Likewise. Export.
15072 (copy_decl_for_dup): Split into ...
15073 (copy_decl_for_dup_finish, copy_decl_to_var,
15074 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
15075 (replace_ref_tree, inlining_p): Remove.
15077 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15079 * ifcvt.c (if_convert): Make it static.
15080 * rtl.h: Remove the prototype for if_convert.
15082 * local-alloc.c (local_alloc): Make it static.
15083 * rtl.h: Remove the prototype for local_alloc.
15085 * loop.c (loop_optimize): Make it static.
15086 * cfgloop.h: Remove the prototype for loop_optimize.
15089 2006-01-16 DJ Delorie <dj@redhat.com>
15091 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
15094 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15096 * pa.md: Disparage copies between general and floating-point registers
15097 in 32-bit move patterns.
15099 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15102 * Makefile.in (check-%): Depend on site.exp instead of
15103 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15106 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15108 * global.c (global_alloc): Make it static.
15109 * rtl.h: Remove the prototype for global_alloc.
15111 2006-01-16 Richard Guenther <rguenther@suse.de>
15113 * tree-ssa-alias.c (struct used_part): Add write_only field.
15114 (get_or_create_used_part_for): Initialize it to true.
15115 (create_overlap_variables_for): Don't create structure variables
15116 for structures that only are written to.
15117 (find_used_portions): Handle MODIFY_EXPR to track whether a
15118 structure is only written to.
15120 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15122 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15124 * basic-block.h: Remove the prototype for
15125 partition_hot_cold_basic_blocks.
15127 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15129 * cppspec.c (lang_specific_spec_functions): Remove.
15130 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15131 * gcc.h (lang_specific_spec_functions): Remove.
15132 * gccspec.c (lang_specific_spec_functions): Remove.
15134 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15136 * combine.c (record_value_for_reg): Invalidate registers
15138 (record_dead_and_set_regs_1): Likewise, by passing them to
15139 record_value_for_reg.
15140 (record_dead_and_set_regs): Invalidate stores made by a
15141 call. We do not combine across a call, but we still
15142 relied on equivalences.
15144 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15146 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15147 vrp_int_const_binop returning non-constant nodes.
15149 2006-01-16 Paul Brook <paul@codesourcery.com>
15151 * config/m68k/m68k.c (output_move_const_into_data_reg):
15152 Output correct mnemonic for mvz and mvs.
15154 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15156 * rtl-factoring.c: Add sequence abstraction algorithm.
15157 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15158 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15160 (block_has_preserve_label): New function.
15161 * common.opt: Register new pass.
15162 * Makefile.in: Ditto.
15164 * timevar.def: Ditto.
15165 * tree-pass.h: Ditto.
15166 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15167 * rtl.h (make_jump_insn_raw): Add forward decl.
15168 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15170 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15171 Roger Sayle <roger@eyesopen.com>
15173 * fold-const.c (fold_minmax): New static function.
15174 (fold_binary) <MIN_EXPR>: Call it.
15175 <MAX_EXPR>: Likewise.
15176 * stor-layout.c (place_field): Use DECL_SIZE consistently
15177 in the computation of the new record size.
15179 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15181 * cse.c (cse_condition_code_reg): Make it static.
15182 * rtl.h: Remove the prototype for cse_condition_code_reg.
15184 * combine.c (combine_instructions): Make it static.
15185 * rtl.h: Remove the prototype for combine_instructions.
15187 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15190 * tree.c (get_file_function_name_long): Concatenate the first global
15191 object name with a string derived from the input filename of the object
15194 2006-01-16 Ben Elliston <bje@au.ibm.com>
15196 * config/i386/winnt-stubs.c: Update FSF address.
15197 * config/xtensa/ieee754-df.S: Ditto.
15198 * config/xtensa/ieee754-sf.S: Ditto.
15200 2006-01-14 Ian Lance Taylor <ian@airs.com>
15202 * ifcvt.c (noce_init_if_info): New static function, broken out of
15203 noce_process_if_block.
15204 (noce_process_if_block): Call noce_init_if_info.
15205 (check_cond_move_block): New static function.
15206 (cond_move_process_if_block): New static function.
15207 (process_if_block): Call cond_move_process_if_block.
15209 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15211 * cselib.c (hash_table): Rename to cselib_hash_table.
15212 (cselib_clear_table, discard_useless_values,
15213 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15214 cselib_init, cselib_finish): Adjust uses of hash_table.
15216 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15218 PR tree-optimization/25485
15219 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15220 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15221 is known to be false and true, respectively.
15223 2006-01-14 Richard Guenther <rguenther@suse.de>
15225 PR tree-optimization/22548
15226 PR tree-optimization/22555
15227 PR tree-optimization/22501
15228 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15229 * params.def (salias-max-array-elements): New parameter.
15230 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15231 * doc/invoke.texi (salias-max-array-elements): Document.
15232 * tree-flow-inline.h (var_can_have_subvars): We also handle
15234 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15236 * tree-ssa-structalias.c (params.h): Include.
15237 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15238 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15239 (get_constraint_for): For ADDR_EXPR operating on something
15240 containing an ARRAY_REF, add all subvars to the solution.
15241 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15242 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15243 for creating MUST_DEFs.
15244 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15246 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15248 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15250 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15251 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15252 number_of_iterations_le): New functions.
15253 (number_of_iterations_special): Removed.
15254 (number_of_iterations_exit): Do not use number_of_iterations_special.
15255 * tree.c (unsigned_type_for): Always return integer type.
15257 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15258 Richard Guenther <rguenther@suse.de>
15260 PR rtl-optimization/24257
15261 * gcse.c (find_moveable_store): Only consider a store movable
15262 when the SET_SRC of the insn can be assigned to a register.
15264 2006-01-14 Ian Lance Taylor <ian@airs.com>
15266 * tree.c (tree_not_class_check_failed): New function.
15267 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15268 (tree_not_class_check_failed): Declare.
15270 2006-01-13 Ian Lance Taylor <ian@airs.com>
15272 * reload1.c (do_output_reload): Add assertion rejecting a
15275 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15277 * combine.c (struct reg_stat): Add new fields truncation_label and
15279 (record_value_for_reg): Reset truncated_to_mode.
15280 (record_truncated_value): New function.
15281 (check_promoted_subreg): Call it. Rename to check_conversions.
15282 (combine_instructions): Rename check_promoted_subreg to
15284 (reg_truncated_to_mode): New function.
15285 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15286 (gen_lowpart_or_truncate): New function.
15287 (force_to_mode): Use it instead of gen_lowpart.
15289 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15291 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15292 VAR is a tag, not its type tag.
15294 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15296 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15297 alternatives to match style of other entries.
15298 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15300 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15302 PR tree-optimization/25771
15303 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15306 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15309 * tree-inline.c (declare_return_variable): If the return variable
15310 was marked as a non gimple complex, set the return slot variable
15311 to be a non gimple comple variable.
15313 2006-01-13 Richard Guenther <rguenther@suse.de>
15315 * builtins.c (expand_builtin_sincos): New function.
15316 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15318 (expand_builtin): Expand sincos using expand_builtin_sincos.
15320 2006-01-12 DJ Delorie <dj@redhat.com>
15322 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15323 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15324 so that constant shifts can be split.
15325 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15326 (m32c_valid_pointer_mode): Make static.
15327 (shift_gen_func_for): New.
15328 (m32c_prepare_shift): Use it. Split large const shifts into
15330 * config/m32c/predicates.md (shiftcount_operand): Allow more
15332 (longshiftcount_operand): New.
15333 * doc/md.texi (Machine Constraints): Document In6.
15335 2006-01-13 Ben Elliston <bje@au.ibm.com>
15337 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15338 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15341 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15343 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15344 to try to avoid clobbering pieces of structures when we know
15345 something about the whole structure.
15346 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15348 2006-01-13 Ben Elliston <bje@au.ibm.com>
15350 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15351 return in memory, as this is no limitation is no longer present.
15353 2006-01-12 DJ Delorie <dj@redhat.com>
15355 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15356 mova with fb, and for fb+0 -> An.
15358 * config/m32c/mov.md (peephole2): Fix enabling logic.
15360 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15361 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15362 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15363 FINI_ARRAY_SECTION_ASM_OP): Define.
15365 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15367 (m32c_legitimize_reload_address): New logic to reload FB to An.
15368 (m32c_output_reg_push): Add newline.
15369 (m32c_output_reg_pop): Likewise.
15371 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15373 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15375 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15377 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15379 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15381 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15384 2006-01-11 Ben Elliston <bje@au.ibm.com>
15386 * rtlanal.c (find_reg_note): Assert insn is not null.
15388 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15390 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15393 2006-01-11 Jeff Law <law@redhat.com>
15395 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15397 (mark_threaded_blocks, register_jump_thread): New functions.
15398 (thread_through_all_blocks): Remove unwanted argument. No
15399 longer rely on e->aux to communicate thread target info.
15400 Call mark_threaded_blocks. Release the threaded_blocks
15401 bitmap and threaded_edges vector when complete.
15402 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15403 (threaded_blocks): Remove.
15404 (tree_ssa_dominator_optimize): Remove initialization and
15405 finalization of threaded_blocks. Simplify call to
15406 thread_through_all_blocks.
15407 (thread_across_edge): Call register_jump_thread rather than
15408 storing thread information into e->aux.
15409 (free_all_edge_infos): Simplify now that e->aux is no longer
15410 used to communicate with thread_through_all_blocks.
15411 * tree-flow.h (thread_through_all_blocks): Update prototype.
15412 (register_jump_thread): Prototype.
15414 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15416 * df-core.c (df_compact_blocks, df_bb_replace): Use
15417 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15419 2006-01-11 Richard Guenther <rguenther@suse.de>
15421 PR tree-optimization/25734
15422 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15423 stop propagation after successful propagation to the LHS.
15425 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15427 * basic-block.h (control_flow_graph): Change the type of
15428 x_basic_block_info to VEC(basic_block,gc) *.
15429 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15431 (SET_BASIC_BLOCK): New.
15432 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15433 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15434 * cfgbuild.c (find_basic_blocks): Likewise.
15435 * cfglayout.c (fixup_reorder_chain): Likewise.
15436 * cfgrtl.c (create_basic_block_structure,
15437 rtl_create_basic_block): Likewise.
15438 * ifcvt.c (find_if_case_1): Likewise.
15439 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15442 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15444 * Makefile.in: Removed rotted odf.c entry.
15446 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15449 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15450 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15451 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15452 output pattern modifier, not %e.
15453 * config/cris/cris.c (cris_op_str): Update comment about pattern
15455 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15456 before falling through into...
15457 <case 'E'>: Redefined from old 'e' case.
15459 2006-01-11 Jan Hubicka <jh@suse.cz>
15462 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15464 2006-01-11 Jan Hubicka <jh@suse.cz>
15466 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15467 * i386.c (x86_decompose_lea): Kill.
15468 (ix86_rtx_costs): Kill.
15470 2006-01-11 Jan Hubicka <jh@suse.cz>
15472 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15473 * cgraph.h (cgraph_node): Add inline_decl.
15474 (cgraph_insert_node_to_hashtable): Declare.
15475 (save_inline_function_body): Declare.
15476 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15478 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15479 (cgraph_function_versioning): Update call of tree_function_versioning.
15480 (save_inline_function_body): New function.
15481 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15482 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15483 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15484 (cgraph_default_inline_p): Likewise.
15485 (cgraph_decide_inlining_incrementally): Likewise.
15486 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15487 (copy_bb): Kill saving; do updating of clones.
15488 (copy_cfg_body): Kill saving.
15489 (initialize_inlined-parameters): Likewise.
15490 (expand_call_inline): Likewise.
15492 (tree_function_versioning): New parameter "update_clones".
15493 (inlining_p): Kill saving.
15494 * tree-inline.h (tree_function_versioning): Update prototype.
15495 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15498 2006-01-11 Ian Lance Taylor <ian@airs.com>
15500 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15501 Allow undoing set of machine mode.
15502 (do_SUBST): Use enums instead of is_int.
15503 (do_SUBST_MODE): New function.
15504 (SUBST_MODE): New macro.
15505 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15506 reg and trying to replace reg_regno_rtx with a new register.
15507 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15508 (simplify_set): Use SUBST_MODE.
15509 (distribute_notes): Remove code that tried to update reg notes
15510 for regno_reg_rtx changes.
15512 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15514 PR tree-optimization/23109
15515 PR tree-optimization/23948
15516 PR tree-optimization/24123
15518 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15519 * tree-cfg.c (single_noncomplex_succ): New.
15520 * tree-flow.h (single_noncomplex_succ): Declare it.
15521 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15522 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15523 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15524 insert_bb, register_division_in, insert_reciprocals,
15525 replace_reciprocal, free_bb): New.
15526 (execute_cse_reciprocals_1): Rewritten.
15527 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15528 Do not commit any edge insertion. Always compute dominators and
15529 create the allocation pool.
15530 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15531 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15532 * targhooks.c (default_min_divistions_for_recip_mul): New.
15533 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15534 * passes.c (init_optimization_passes): Run recip after tree loop
15536 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15538 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15539 Kenneth Zadeck <zadeck@naturalbridge.com>
15541 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15542 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15543 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15544 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15545 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15546 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15547 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15548 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15549 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15550 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15551 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15552 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15553 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15554 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15555 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15556 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15557 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15558 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15559 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15560 DF_SCAN_POST_ALLOC): New macros.
15561 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15562 df_free_bb_function, df_local_compute_function, df_init_function,
15563 df_dataflow_function, df_confluence_function_0,
15564 df_confluence_function_n, df_transfer_function,
15565 df_finalizer_function, df_free_function, df_dump_problem_function,
15566 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15567 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15568 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15569 df_urec_bb_info, ) New types.
15570 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15572 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15573 df_analyze_simple_change_some_blocks,
15574 df_analyze_simple_change_one_block, df_compact_blocks,
15575 df_bb_replace, df_bb_regno_last_use_find,
15576 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15577 df_insn_regno_def_p, df_find_def, df_find_use,
15578 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15579 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15580 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15581 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15582 debug_df_chain, df_get_dependent_problem, df_chain_create,
15583 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15584 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15585 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15586 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15587 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15588 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15589 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15590 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15591 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15592 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15593 df_reorganize_refs, df_set_state, df_hard_reg_init,
15594 df_read_modify_subreg_p) New public functions.
15595 * df-core.c: The core dataflow solver and glue routines for rtl
15597 (df_init, df_add_problem, df_set_blocks, df_finish,
15598 df_hybrid_search_forward, df_hybrid_search_backward,
15599 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15600 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15601 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15602 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15603 df_reg_defined, df_find_use, df_reg_used, df_dump,
15604 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15605 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15606 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15607 debug_df_useno, reset_df_after_reload): New functions.
15608 * df-scan.c: The scanning fuctions, once in df.c, completely
15609 rewritten so that they now fully model the functionality of
15610 register usage at the backend.
15611 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15612 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15613 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15614 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15615 df_get_artificial_defs, df_get_artificial_uses,
15616 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15617 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15618 df_refs_delete, df_reorganize_refs, df_set_state,
15619 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15620 df_def_record_1, df_defs_record, df_uses_record,
15621 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15622 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15623 df_record_exit_block_uses, df_hard_reg_init): New functions.
15625 * df-problems.c: Seven concrete dataflow problems that use the
15626 scanning in df-scan.c and are solved by the engine in df-core.c.
15627 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15628 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15629 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15630 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15631 df_ru_free_bb_info, df_ru_alloc,
15632 df_ru_bb_local_compute_process_def,
15633 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15634 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15635 df_ru_transfer_function, df_ru_free, df_ru_dump,
15636 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15637 df_rd_free_bb_info, df_rd_alloc,
15638 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15639 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15640 df_rd_transfer_function, df_rd_free, df_rd_dump,
15641 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15642 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15643 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15644 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15645 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15646 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15647 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15648 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15649 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15650 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15651 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15652 df_urec_mark_reg_use_for_earlyclobber,
15653 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15654 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15655 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15656 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15657 df_chain_create_bb_process_use, df_chain_create_bb,
15658 df_chain_finalize, df_chain_free, df_chains_dump,
15659 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15660 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15661 df_reg_lifetime): New functions.
15662 * df.c: Deleted file.
15663 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15664 consistent with new df api.
15665 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15666 rest_of_handle_sms): Ditto.
15667 * web.c (unionfind_union, union_defs, entry_register, web_main):
15669 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15670 invariant_expr_equal_p, find_defs, check_dependencies,
15671 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15672 free_inv_motion_data, move_loop_invariants): Ditto.
15673 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15674 Update dependencies.
15675 (odf.c): Added defective entry that was deleted later in day.
15676 * sched-deps.c (sched_analyze_1): Ditto.
15678 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15680 * tree-ssa-operands.c (get_expr_operands): Record addressable
15681 variables directly. Do not call add_stmt_operands for CONST_DECLs
15683 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15684 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15686 2006-01-11 Ben Elliston <bje@au.ibm.com>
15688 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15689 function returns true in the positive case.
15691 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15694 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15695 for SI, DI, SF and DF modes. Add alternatives to copy between
15696 general and floating point registers to the 32-bit patterns.
15697 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15698 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15699 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15700 generating 64-bit code.
15701 * config/pa/pa.c (output_move_double): Handle copies between general
15702 and floating registers.
15704 2006-01-10 Stuart Hastings <stuart@apple.com>
15706 * config/i386/i386.md (set_got): Update.
15707 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15708 (builtin_setjmp_receiver): Mach-O support.
15709 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15710 (GOT_SYMBOL_NAME): Define.
15711 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15712 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15713 * config/i386/i386.c (override_options): Revise for Darwin.
15714 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15715 support. (darwin_x86_file_end): New. (output_set_got): Add label
15716 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15717 * config/i386/i386-protos.h (output_set_got): Likewise.
15718 * config/darwin.c (machopic_legitimize_pic_address): Update
15721 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15723 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15724 when MODE isn't BLKmode.
15726 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15728 PR rtl-optimization/25367
15729 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15731 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15734 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15735 for a negative bound.
15737 2006-01-10 Richard Guenther <rguenther@suse.de>
15739 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15740 Never override with anything constraint.
15742 2006-01-10 Jan Beulich <jbeulich@novell.com>
15744 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15745 256 bits when optimize_size.
15747 2006-01-10 Jan Beulich <jbeulich@novell.com>
15749 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15751 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15752 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15755 2006-01-10 Ben Elliston <bje@au.ibm.com>
15757 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15759 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15760 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15761 (USE_FP_FOR_ARG): Reject decimal float modes.
15762 (function_arg_advance): Likewise.
15763 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15764 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15765 point types in AltiVec vectors.
15766 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15767 (rs6000_libcall_value): Likewise.
15769 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15771 * config/xtensa/ieee754-df.S: New file.
15772 * config/xtensa/ieee754-sf.S: New file.
15773 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15774 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15775 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15777 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15779 * config/sh/predicates.md (binary_float_operator,
15780 binary_logical_operator, commutative_float_operator,
15781 equality_comparison_operator, greater_comparison_operator,
15782 less_comparison_operator, logical_operator,
15783 noncommutative_float_operator, shift_operator,
15784 symbol_ref_operand, unary_float_operator): Remove redundant
15787 2006-01-09 Jeff Law <law@redhat.com>
15789 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15790 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15791 now unused arguments. Callers updated.
15792 (eliminate_redundant_computations): Remove now unused arguments,
15794 (local_fold): Remove, no longer used.
15795 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15797 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15798 (simplify_cond): New function.
15799 (forward_propagate_into_cond): Call simplify_cond.
15801 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15803 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15804 (*vec_extractv2di_1_sse): New.
15806 2006-01-09 Ben Elliston <bje@au.ibm.com>
15808 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15810 2006-01-08 Richard Guenther <rguenther@suse.de>
15812 * tree-ssa-structalias.c (get_constraint_for): Remove
15813 anyoffset argument.
15814 (get_constraint_for_component_ref): Likewise.
15815 (do_deref): Likewise.
15816 (get_constraint_for): Likewise.
15817 (do_structure_copy): Likewise.
15818 (handle_ptr_arith): Likewise.
15819 (find_func_aliases): Likewise. Remove unused need_anyoffset
15822 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15823 Kaz Kojima <kkojima@gcc.gnu.org>
15825 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15826 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15827 (EXTRA_CONSTRAINT_C16): Remove.
15828 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15829 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15830 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15831 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15832 constants of SHmedia. Handle nested constant expressions of
15834 (andcosts): Fix the costs for SHmedia constants.
15835 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15836 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15837 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15838 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15839 (movv4hi_i, movv2si_i): Likewise.
15840 (movsi_const): Adjust the second operand of ior so to match with
15841 the Csu constraint.
15842 (movdi_const, movdi_const_32bit): Likewise.
15843 (movdi_const_16bit+1): Don't sign-extend LOW.
15844 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15846 (*double_shori): Fix the split condition. Use GEN_INT instead
15847 of get_int_mode calls. Mask lower 16-bit of the argument of
15849 (sym2GOTPLT): Remove.
15850 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15852 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15853 instead of EXTRA_CONSTRAINT_C16.
15855 2006-01-07 Ian Lance Taylor <ian@airs.com>
15856 David Edelsohn <edelsohn@gnu.org>
15858 PR rtl-optimization/25662
15859 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15860 for constant operands instead of simplify_gen_binary.
15861 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15862 after trying simplify_binary_operation
15864 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15866 * tree.c (iterative_hash_expr): Hash decls based on UID.
15868 2006-01-06 Eric Christopher <echristo@apple.com>
15870 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15871 (TARGET_UNWIND_EMIT): Fix spelling.
15872 * target.h (gcc_target): Add except_table_label.
15873 * except.c (output_function_exception_table): Use.
15874 * varasm.c (default_emit_except_table_label): New.
15875 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15877 (asm_out): Add here.
15878 * output.h (default_emit_except_table_label): Prototype.
15879 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15880 * config/darwin.c (darwin_emit_except_table_label): Define.
15881 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15883 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15885 PR tree-optimization/18527
15886 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15887 number_of_iterations_special, number_of_iterations_exit):
15888 Move base and step of an iv to a single structure. Add
15889 no_overflow flag, and use it in # of iterations analysis.
15890 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15891 folded_casts argument.
15892 (simple_iv): Pass base and step in a structure. Set no_overflow
15894 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15895 Evaluate expensiveness of computing # of iterations instead of
15896 the final expression.
15897 * tree-scalar-evolution.h (affine_iv): New structure.
15898 (simple_iv): Declaration changed.
15899 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15900 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15901 find_givs_in_stmt): Changed due to simple_iv change.
15903 2006-01-06 Jeff Law <law@redhat.com>
15906 * tree-cfg.c (bsi_replace): Rename final argument from
15907 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15908 change (stmt -> orig_stmt).
15909 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15910 (bsi_remove): Add new argument. Remove EH information
15912 (verify_eh_throw_table_statements): New function.
15913 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15915 * tree-optimize.c (execute_free_cfg_annotations): Verify
15916 the EH throw statement table after removing annotations.
15917 * except.h (verify_eh_throw_table_statements): Prototype.
15918 * tree-flow.h (bsi_remove): Update prototype.
15919 * tree-vrp.c (remove_range_assertions): Add new argument to
15921 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15922 * tree-complex.c (expand_complex_div_wide): Likewise.
15923 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15924 * tree-tailcall.c (eliminate_tailcall): Likewise.
15925 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15926 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15927 * tree-nrv.c (tree_nrv): Likewise.
15928 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15929 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15930 (combine_blocks): Likewise.
15931 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15932 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15933 (cleanup_control_flow): Likewise.
15934 (remove_forwarder_block): Likewise.
15935 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15936 * tree-sra.c (sra_replace): Likewise.
15937 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15938 (forward_propagate_single_use_vars): Likewise.
15939 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15940 * tree-inline.c (expand_call_inline): Likewise.
15941 * tree-vect-transform.c (vect_transform_loop): Likewise.
15942 * tree-outof-ssa.c (rewrite_trees): Likewise.
15943 * tree-cfg.c (make_goto_expr_edges): Likewise.
15944 (cleanup_dead_labels): Likewise.
15945 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15946 (bsi_move_before, bsi_move_after): Likewise.
15947 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15948 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15950 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15953 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15955 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15956 on non gimple variables. Also add checks at the top for decls and
15958 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15960 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15961 and IMAGPART_EXPR for creating MUST_DEFs.
15962 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15963 and NAME_MEMORY_TAG separately from the DECLs.
15965 2006-01-06 Richard Guenther <rguenther@suse.de>
15967 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15968 annotation, if necessary.
15969 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15970 redundant calls to update_stmt.
15971 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15974 2006-01-05 Richard Henderson <rth@redhat.com>
15976 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15978 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15980 * c-typeck.c: Update copyright date.
15982 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15984 * c-typeck.c (build_c_cast): Always warn when casting
15985 from a pointer to an integer of different size, even if
15986 the node was constant.
15988 2006-01-05 Richard Guenther <rguenther@suse.de>
15990 PR tree-optimization/22555
15991 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15992 if one structure field is an array.
15993 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15994 operands even if we found a subvar, but ignore VOPs in this
15996 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15998 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
16000 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
16002 PR middle-end/24998
16003 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
16005 2006-01-05 Richard Guenther <rguenther@suse.de>
16006 Diego Novillo <dnovillo@redhat.com>
16008 * tree-pass.h (TODO_remove_unused_locals): Define.
16009 * gimple-low.c (expand_var_p, remove_useless_vars,
16010 pass_remove_useless_vars): Remove. Update all users.
16011 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
16012 (remove_unused_locals): New function.
16013 * tree-flow.h (remove_unused_locals): Declare.
16014 * passes.c (execute_todo): Call remove_unused_locals if
16015 TODO_remove_unused_locals is set.
16016 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
16017 * tree-ssa-dce.c (pass_dce): Likewise.
16018 * tree-outof-ssa.c (pass_del_ssa): Likewise.
16020 2006-01-05 Richard Guenther <rguenther@suse.de>
16022 * tree-flow.h (struct fieldoff): Decompose field to
16023 type, size and decl.
16024 * tree-ssa-alias.c (create_sft): Take type as parameter.
16025 (create_overlap_variables_for): Store type, size and decl
16026 in the fieldoff structure.
16027 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
16028 of struct fieldoff.
16029 (push_fields_onto_fieldstack): Likewise.
16030 (create_variable_info_for): Likewise. Use offset for the
16031 SFT name if the decl is not available.
16033 2006-01-04 Paul Brook <paul@codesourcery.com>
16035 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
16037 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
16039 * lambda-code.c (can_put_in_inner_loop): Relax
16041 (can_put_after_inner_loop): New function.
16042 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
16043 (perfect_nestify): Change to make copies and modify uses.
16045 2006-01-04 Richard Henderson <rth@redhat.com>
16047 Merge from gomp branch:
16048 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
16049 via integer constant.
16050 (pragma_lex): Remove.
16051 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
16052 rather than parsing it.
16053 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
16054 handle_pragma_extern_prefix): Add %< %> quotes.
16055 (registered_pragmas): New.
16056 (c_register_pragma_1): New.
16057 (c_register_pragma): Use it.
16058 (c_register_pragma_with_expansion): Likewise.
16059 (c_invoke_pragma_handler): New.
16060 (init_pragma): Use cpp_register_deferred_pragma directly for
16062 * c-pragma.h (enum pragma_kind): New.
16063 (pragma_handler): New.
16064 (c_invoke_pragma_handler): Declare.
16065 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
16067 * c-common.h (c_common_pch_pragma): Update decl.
16068 * Makefile.in (c-parser.o): Update dependencies.
16069 (GTFILES): Add c-pragma.h.
16070 * c-parser.c (struct c_token): Add pragma_kind.
16071 (struct c_parser): Add in_pragma.
16072 (c_lex_one_token): Always initialize keyword and pragma_kind.
16073 Extract data for CPP_PRAGMA.
16074 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
16075 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
16076 Don't allow CPP_PRAGMA_EOL if in_pragma.
16077 (c_parser_consume_pragma): New.
16078 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
16079 (c_parser_skip_to_end_of_parameter): Likewise.
16080 (c_parser_skip_to_end_of_block_or_statement): Likewise.
16081 (c_parser_skip_to_pragma_eol): New.
16082 (c_parser_external_declaration): Handle CPP_PRAGMA.
16083 (c_parser_compound_statement_nostart): Likewise.
16084 (c_parser_statement_after_labels): Likewise.
16085 (c_parser_pragma): New.
16086 (pragma_lex): Likewise.
16087 (c_parser_pragma_pch_preprocess): New.
16088 (c_parser_new): Merge into ...
16089 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
16091 2006-01-04 Jeff Law <law@redhat.com>
16094 * tree-cfg.c (bsi_replace): Remove the original statement
16095 from the EH throw statement table.
16097 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16099 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16100 make the prototype extern "C" and add throw ().
16103 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16104 and pos non-negative and pos + len <= 32.
16105 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16106 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16107 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16110 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16111 as well as sizes not multiple of component size.
16114 * function.c (instantiate_expr): New function.
16115 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16116 walk its DECL_VALUE_EXPR with instantiate_expr.
16118 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16119 DW_OP_deref{,_size} if address isn't going to be added.
16121 2006-01-04 Ben Elliston <bje@au.ibm.com>
16123 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16124 * config/fp-bit.c: Likewise.
16126 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16128 * dominance.c: Add comment about why we use DFS numbering
16131 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16132 Richard Henderson <rth@redhat.com>
16134 Merge from gomp-branch:
16135 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16136 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16138 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16140 PR rtl-optimization/25578
16141 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16142 pass a parameter to simplify_shift_const if changing ASHIFTRT
16145 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16147 * builtins.c (get_builtin_sync_mem): New function.
16148 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16149 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16150 Call get_builtin_sync_mem to generate mem rtx.
16152 2006-01-03 Richard Guenther <rguenther@suse.de>
16155 * stmt.c (add_case_node): Make sure to clear overflow flags
16158 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16160 Merge from gomp-branch.
16161 * config/sparc/sync.md: New file.
16162 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16163 UNSPECV_LDSTUB): New constants.
16164 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16165 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16166 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16169 2006-01-03 Roger Sayle <roger@eyesopen.com>
16171 * combine.c (reg_subword_p): New predicate to test whether the
16172 destination of a set refers to a subword/piece of a register.
16173 (try_combine): Generalize the code to merge the setting of a
16174 pseudo to a constant followed by a set of a subword of that
16175 register to a constant.
16177 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16179 * basic-block.h (control_flow_graph): Change the type of
16180 x_label_to_block_map to VEC(basic_block,gc) *.
16181 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16182 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16184 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16185 VEC(basic_block,heap) *.
16186 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16187 ssa_prop_fini): Adjust the uses of cfg_blocks.
16189 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16191 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16193 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16194 hashing trees instead of a pointer hash.
16195 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16196 compare for MEM_EXPR.
16198 PR rtl-optimization/25130
16199 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16200 when comparing MEMs for GCSE
16202 2006-01-03 Ben Elliston <bje@au.ibm.com>
16204 * targhooks.h (default_decimal_float_supported_p): Declare.
16205 * targhooks.c (default_decimal_float_supported_p): Define.
16206 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16207 `default_decimal_float_supported_p'.
16208 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16210 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16212 * combine.c (apply_distributive_law <SUBREG>): Check
16213 TRULY_NOOP_TRUNCATION.
16215 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16217 * dwarf2out.c (have_switched_text_section): Delete.
16218 (have_multiple_function_sections): New.
16219 (have_location_lists): Make 'bool'.
16220 (add_AT_loc_list): Use 'true' not '1'.
16221 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16222 (output_loc_list): Use have_multiple_function_sections.
16223 (output_ranges): Likewise.
16224 (dwarf2out_begin_function): Set have_multiple_function_sections if
16226 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16227 Check function_section rather than DECL_SECTION_NAME.
16228 (dwarf2out_finish): Use have_multiple_function_sections.
16229 Don't clear have_location_lists.
16231 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16232 Jan Hubicka <jh@suse.cz>
16234 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16235 case of conditional jump jumping to the next instruction.
16236 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16237 cases of conditional jump jumping to the next instruction.
16239 2006-01-02 Jan Hubicka <jh@suse.cz>
16241 * i386.c (*_cost): Add COSTS_N_INSNS.
16242 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16244 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16247 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16249 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16251 * config/arm/arm.c (all_fpus): Fix comment typo.
16252 * config/darwin.c: Likewise.
16253 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16254 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16255 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16257 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16259 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16260 (rs6000_split_compare_and_swapqhi): New.
16261 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16262 (sync_compare_and_swapqhi_internal): New.
16263 * config/rs6000/rs6000-protos.h: Declare.