1 2006-10-21 Richard Guenther <rguenther@suse.de>
4 * fold-const.c (fold_comparison): Fold signed comparisons
5 of the form X +- C1 CMP Y +- C2.
7 2006-10-21 Richard Guenther <rguenther@suse.de>
10 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
11 if flag_unsafe_math_optimizations is specified. We have
12 flag_finite_math_only for that.
13 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
14 or flag_unsafe_math_optimizations.
16 2006-10-21 Richard Guenther <rguenther@suse.de>
18 * builtins.c (fold_builtin_classify): Fix typo.
20 2006-10-21 Richard Guenther <rguenther@suse.de>
23 * simplify-rtx.c (simplify_const_relational_operation):
24 Do not constant-fold ORDERED and UNORDERED for
25 flag_unsafe_math_optimizations but only we do not need to
26 honor NaNs for the given mode.
28 2006-10-21 Richard Guenther <rguenther@suse.de>
31 * config/i386/i386.c (classify_argument): Remove redundant
32 walking of the BINFOs.
33 (contains_128bit_aligned_vector_p): Likewise.
35 2006-10-20 Mark Mitchell <mark@codesourcery.com>
37 * BASE-VER: Set to 4.3.0.
39 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
41 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
42 (tree_decl_with_vis): Remove artificial_pta_var flag.
43 * tree-flow.h (referenced_var_check_and_insert): Expose.
44 (nonlocal_all): New prototype.
45 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
46 (nonlocal_all): Make global.
47 (nonlocal_lookup): Remove.
48 (nonlocal_insert): Ditto.
49 (create_nonlocal_var): Do not call nonlocal_insert.
50 (get_nonlocal_id_for_type): Remove.
51 (find_global_initializers): Mark new vars we find for renaming.
52 (intra_create_variable_infos): Only create one nonlocal.
53 (expand_nonlocal_solutions): Remove.
54 (compute_points_to_sets): Don't call it.
55 (ipa_pta_execute): Ditto.
56 (init_alias_heapvars): Don't create nonlocal_for_type.
57 (delete_alias_heapvars): Don't remove it.
58 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
61 2006-10-19 Brooks Moses <bmoses@stanford.edu>
63 * doc/install.texi (Downloading GCC): Clarify mention of
64 Fortran in the "full distribution" description.
66 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
68 Fix PR tree-optimization/28778
69 Fix PR tree-optimization/29156
70 Fix PR tree-optimization/29415
71 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
72 (tree_decl_with_vis): Add artificial_pta_var flag.
73 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
75 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
76 (nonlocal_all): Ditto.
77 (struct variable_info): Add directly_dereferenced member.
78 (var_escaped_vars): New variable.
79 (escaped_vars_tree): Ditto.
80 (escaped_vars_id): Ditto.
81 (nonlocal_vars_id): Ditto.
82 (new_var_info): Set directly_dereferenced.
83 (graph_size): New variable
84 (build_constraint_graph): Use graph_size.
85 (solve_graph): Don't process constraints that cannot change the
86 solution, don't try to propagate an empty solution to our
88 (process_constraint): Set directly_dereferenced.
89 (could_have_pointers): New function.
90 (get_constraint_for_component_ref): Don't process STRING_CST.
91 (nonlocal_lookup): New function.
92 (nonlocal_insert): Ditto.
93 (create_nonlocal_var): Ditto.
94 (get_nonlocal_id_for_type): Ditto.
95 (get_constraint_for): Allow results vector to be empty in the case
97 Handle results of calls properly.
98 (update_alias_info): Update alias info stats on number and type of
100 (find_func_aliases): Use could_have_pointers.
101 (make_constraint_from_escaped): Renamed from
102 make_constraint_to_anything, and changed to make constraints from
104 (make_constraint_to_escaped): New function.
105 (find_global_initializers): Ditto.
106 (create_variable_info_for): Make constraint from escaped to any
107 global variable, and from any global variable to the set of
109 (intra_create_variable_infos): Deal with escaped instead of
110 pointing to anything.
111 (set_uids_in_ptset): Do type pruning on directly dereferenced
113 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
114 (init_base_vars): Fix comment, and initialize escaped_vars.
115 (need_to_solve): Removed.
116 (find_escape_constraints): New function.
117 (expand_nonlocal_solutions): Ditto.
118 (compute_points_to_sets): Call find_escape_constraints and
119 expand_nonlocal_solutions.
120 (delete_points_to_sets): Don't fall off the end of the graph.
121 (init_alias_heapvars): Initialize nonlocal_for_type and
123 (delete_alias_heapvars): Free nonlocal_for_type and null out
126 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
128 * fold-const.c (add_double): Rename to add_double_with_sign.
129 Add 'unsigned_p' parameter and take it into account for the overflow.
130 (mul_double): Rename to mul_double_with_sign.
131 Add 'unsigned_p' parameter and take it into account for the overflow.
132 (fold_div_compare): Call add_double_with_sign instead of add_double
133 and mul_double_with_sign instead of mul_double, passing them the
134 unsignedness of the type.
135 * tree.h (add_double): Macroize.
136 (add_double_with_sign): New prototype.
137 (mul_double): Macroize.
138 (mul_double_with_sign): New prototype.
140 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
142 * config/score/crti.asm: New file.
143 * config/score/crtn.asm: New file.
144 * config/score/elf.h: New file.
145 * config/score/mac.md: New file.
146 * config/score/misc.md: New file.
147 * config/score/mul-div.S: New file.
148 * config/score/predicates.md: New file.
149 * config/score/score7.md: New file.
150 * config/score/score.c: New file.
151 * config/score/score-conv.h: New file.
152 * config/score/score.h: New file.
153 * config/score/score.md: New file.
154 * config/score/score-mdaux.c: New file.
155 * config/score/score-mdaux.h: New file.
156 * config/score/score-modes.def: New file.
157 * config/score/score.opt: New file.
158 * config/score/score-protos.h: New file.
159 * config/score/score-version.h: New file.
160 * config/score/t-score-elf: New file.
161 * config.gcc: Add score*-*-* configurations(Update before).
162 * doc/invoke.texi (Score Options): New section.
163 * doc/md.texi (Score family): New section to document constraints.
165 2006-10-19 Nick Clifton <nickc@redhat.com>
167 * config/arm/arm.c: Fix spelling typo.
169 2006-10-18 Tom Tromey <tromey@redhat.com>
171 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
173 2006-10-18 Jan Hubicka <jh@suse.cz>
176 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
179 2006-10-18 Marcin Dalecki <martin@dalecki.de>
181 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
182 TSI_SAME_STMT, since that's the desired entity.
184 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
186 * config/s390/contraints.md: New file.
187 * config/s390/s390-protos.h (s390_mem_constraint,
188 s390_O_constraint_str, s390_N_constraint_str,
189 s390_float_const_zero_p): Function prototypes added.
190 * config/s390/s390.c (s390_extra_constraint_str,
191 s390_const_double_ok_for_constraint_p,
192 s390_const_ok_for_constraint_p): Functions removed.
193 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
194 s390_float_const_zero_p): New functions.
195 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
196 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
197 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
198 Macro definitions removed.
199 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
200 s390_extra_constraint_str): Functions removed.
202 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
203 Richard Sandiford <richard@codesourcery.com>
206 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
207 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
209 2006-10-16 Geoffrey Keating <geoffk@apple.com>
211 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
212 (DWARF2_FRAME_REG_OUT): Likewise.
213 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
214 (DWARF2_FRAME_REG_OUT): Likewise.
216 2006-10-17 Paul Brook <paul@codesourcery.com>
218 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
220 2006-10-16 Brooks Moses <bmoses@stanford.edu>
222 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
223 Standardize on "GNU Fortran" as the official name of the Fortran
226 2006-10-16 Mike Stump <mrs@apple.com>
228 * doc/invoke.texi (Darwin Options): Document -mkernel.
229 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
231 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
232 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
233 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
234 (OS_MISSING_ALTIVEC): Add.
235 * config/i386/i386.c (override_options): Add
236 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
237 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
238 -mkernel, -static or -mdynamic-no-pic is given.
239 (C_COMMON_OVERRIDE_OPTIONS): Add.
240 * config/darwin.opt (fapple-kext): Add.
242 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
243 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
245 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
246 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
247 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
248 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
249 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
251 (flag_apple_kext): Add.
252 (TARGET_KEXTABI): Add.
253 * config/darwin.c (darwin_handle_kext_attribute): Add.
254 (DARWIN_VTABLE_P): Add.
255 (darwin_binds_local_p): Add partial support for rebinding vtables
257 (darwin_kextabi_p): Add.
258 (darwin_override_options): Add.
259 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
260 (darwin_kextabi_p): Add.
261 (darwin_override_options): Add.
262 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
263 __DYNAMIC__ and __STATIC__ here.
265 2006-10-16 Brooks Moses <bmoses@stanford.edu>
267 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
268 Added mention of "make pdf" target, and Texinfo requirements for
271 2006-10-16 DJ Delorie <dj@redhat.com>
273 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
274 into the GOT in case we need a subreg of the address.
276 2006-10-16 Richard Guenther <rguenther@suse.de>
279 * doc/extend.texi (X86 Built-in Functions): Fix typos in
280 SSE builtin documentation. Document SSE2 builtins.
282 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
284 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
285 symbol in the output file for non-shared links when -nostdlib or
286 -nodefaultlibs isn't specified.
288 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
289 posix thread support.
291 2006-10-15 Jan Hubicka <jh@suse.cz>
294 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
295 declared always_inline even when not inlining.
297 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
298 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
299 Andrew Pinski <pinskia@gmail.com>
302 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
304 2006-10-15 Jan Hubicka <jh@suse.cz>
305 Richard Guenther <rguenther@suse.de>
308 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
309 process_function_and_variable_attributes on all variables, including
310 those discovered during cgraph construction phase.
312 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
314 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
316 2006-10-14 Uros Bizjak <uros@kss-loka.si>
318 * config/i386/athlon.md (athlon_fist): Add fisttp.
320 2006-10-13 David Edelsohn <edelsohn@gnu.org>
321 Ian Lance Taylor <ian@airs.com>
324 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
325 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
328 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
330 * config/score/score.c, config/score/score.h: Fix comment
333 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
336 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
339 2006-10-13 Eric Christopher <echristo@apple.com>
341 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
343 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
346 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
347 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
348 alignment supported by 32-bit ELF.
350 2006-10-13 Eric Christopher <echristo@apple.com>
352 * config/darwin.c (darwin_emit_unwind_label): Strip
353 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
355 2006-10-13 Richard Guenther <rguenther@suse.de>
357 PR tree-optimization/29446
358 * tree-vrp.c (fix_equivalence_set): Remove.
359 (extract_range_from_assert): Do not call fix_equivalence_set.
360 (debug_value_range): Print a newline.
361 (compare_name_with_value): For equivalence sets with
362 inconsistent value ranges conservatively bail out.
363 (compare_names): Likewise.
365 2006-10-13 David Edelsohn <edelsohn@gnu.org>
367 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
368 and MPFR for gfortran.
370 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
372 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
373 alignment supported by 32-bit ELF.
375 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
379 * c-typeck.c (digest_init): Always allow initializing vectors
380 that have static storage duration with compound literals.
381 * tree.c (build_type_attribute_qual_variant): New, based on
382 build_type_attribute_variant.
383 (build_type_attribute_variant): Rewrite using the former.
384 (make_vector_type): Use build_type_attribute_qual_variant to build
385 type variants. Use type_hash_canon on the others.
387 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
388 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
390 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
392 2006-10-12 Jan Hubicka <jh@suse.cz>
395 * c-decl.c (c_make_fname_decl): Do not segfault in case where
396 current_function_decl is set but current_function_scope is not.
398 2006-10-12 Jie Zhang <jie.zhang@analog.com>
400 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
401 emit_insn to emit eh_return_internal instruction.
402 (eh_return_internal): Explicitly set pc.
404 2006-10-11 Richard Guenther <rguenther@suse.de>
406 PR tree-optimization/28230
407 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
408 to the correct place.
410 2006-10-11 Richard Guenther <rguenther@suse.de>
413 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
416 2006-10-10 Brooks Moses <bmoses@stanford.edu>
418 * configure.ac: Added pdf to "Make-hooks"
419 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
420 targets and *.pdf file patterns in cleanup targets.
421 * configure: Regenerated.
423 2006-10-10 Anatoly Sokolov <aesok@post.ru>
425 * config/avr/predicates.md: New file.
426 * config/avr/avr.md: Include it.
427 (REG_SP): New constant.
428 (peepholes): Use predicates.
429 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
430 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
431 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
433 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
435 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
438 2006-10-10 Jakub Jelinek <jakub@redhat.com>
441 * builtins.c (var_decl_component_p): New function.
442 (fold_builtin_memset, fold_builtin_memory_op): Restrict
443 single entry optimization to variables and components thereof.
445 2006-10-10 Richard Guenther <rguenther@suse.de>
447 PR rtl-optimization/29323
448 * except.c (set_nothrow_function_flags): For functions
449 that do not bind local bail out early.
451 2006-10-10 Ben Elliston <bje@au.ibm.com>
453 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
456 2006-10-09 Richard Henderson <rth@redhat.com>
460 2006-10-09 Richard Guenther <rguenther@suse.de>
463 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
466 2006-10-09 Steve Ellcey <sje@cup.hp.com>
469 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
470 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
471 * configure: Regenerate.
472 * config.in: Regenerate.
474 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
476 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
478 2006-10-08 Richard Sandiford <richard@codesourcery.com>
480 * config/mips/mips.c (mips_legitimize_tls_address): Implement
481 all TLS models in the same way as local exec if !TARGET_ABICALLS.
482 Remove stray newline.
484 2006-10-08 Richard Sandiford <richard@codesourcery.com>
486 * config/mips/mips.c (mips_classify_symbol): Do not return
487 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
488 (mips_in_small_data_p): Tweak comments.
490 2006-10-08 Richard Sandiford <richard@codesourcery.com>
492 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
494 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
496 * gimplify.c, sched-int.h: Fix comment typos.
498 * sched-int.h: Fix comment typos.
500 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
502 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
504 * sched-ebb.c (begin_schedule_ready): Use them.
505 * haifa-sched.c (schedule_insn, move_insn, try_ready,
506 add_to_speculative_block, create_check_block_twin, speculate_insn,
507 fix_jump_move, move_block_after_check): Ditto.
508 * sched-rgn.c (new_ready): Ditto.
510 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
512 PR rtl-optimization/29128
513 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
514 * sched-ebb.c (advance_target_bb): Use it to fix condition to
515 allow interblock movement of speculation checks.
517 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
520 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
521 casted to integer type.
522 (get_address_cost): Decrease cost of [symbol + index] addressing modes
523 if they are significantly more expensive than [reg + index] ones.
525 2006-10-06 Jakub Jelinek <jakub@redhat.com>
527 PR tree-optimization/29330
528 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
529 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
530 on newly allocated ddrs.
531 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
532 to VEC (loop_p, heap) pointer.
533 (compute_data_dependences_for_loop): Adjust caller.
534 (free_dependence_relations): Free DDR_LOOP_NEST.
536 * tree-loop-linear.c (linear_transform_loops): Don't forget to
537 free DEPENDENCE_RELATIONS and DATAREFS.
540 * builtins.c (expand_builtin_sync_operation,
541 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
542 Use convert_to_mode to handle promoted arguments.
544 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
546 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
548 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
550 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
552 2006-10-05 Uros Bizjak <uros@kss-loka.si>
554 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
555 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
556 Use <modeconstraint> instead of "r" as operand 1 constraint.
558 2006-10-06 Olivier Hainque <hainque@adacore.com>
560 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
561 Don't recurse on the pointed-to type.
562 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
563 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
564 types with components of variable size.
566 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
568 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
570 2006-10-06 Jakub Jelinek <jakub@redhat.com>
572 PR tree-optimization/29290
573 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
577 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
578 * config/i386/predicates.md (local_symbolic_operand): Likewise.
581 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
582 the number of vector elements fill the rest with zeros.
584 2006-10-05 Richard Sandiford <richard@codesourcery.com>
586 * config/mips/mips.c (mips_pass_by_reference): Do not return false
587 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
590 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
592 * config/bfin/bfin.md (subsi3): Lose expander, change previously
593 unnamed pattern into subsi3. Use correct constraints/predicates.
594 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
595 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
597 2006-10-05 Ira Rosen <irar@il.ibm.com>
599 * doc/loop.texi: Add data references analysis description.
601 2006-10-04 Brooks Moses <bmoses@stanford.edu>
603 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
605 2006-10-04 Richard Henderson <rth@redhat.com>
606 Jakub Jelinek <jakub@redhat.com>
608 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
609 * builtin-types.def (BT_WORD): Make unsigned.
610 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
611 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
612 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
613 * c-decl.c (grokdeclarator): Don't error if !have_tls.
614 * c-parser.c (c_parser_omp_threadprivate): Likewise.
615 * cgraph.c (decide_is_variable_needed): Look at force_output.
616 Recurse for emulated tls.
617 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
618 checks redundant with decide_is_variable_needed.
619 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
620 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
622 * expr.c (emutls_var_address): New.
623 (expand_expr_real_1): Expand emulated tls.
624 (expand_expr_addr_expr_1): Likewise.
625 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
626 * output.h (emutls_finish): Declare.
627 * toplev.c (compile_file): Call it.
628 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
629 address before wrapping in CONST.
630 * varasm.c (emutls_htab, emutls_object_type): New.
631 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
632 (get_emutls_object_name, get_emutls_object_type): New.
633 (get_emutls_init_templ_addr, emutls_decl): New.
634 (emutls_common_1, emutls_finish): New.
635 (assemble_variable): When emulating tls, swap decls; generate
636 constructor for the emutls objects.
637 (do_assemble_alias): When emulating tls, swap decl and target name.
638 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
640 * emutls.c: New file.
641 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
642 tls_object for real tls.
644 2006-10-04 Zack Weinberg <zackw@panix.com>
646 Fix bug in constraint-check generator, reported by Rask Ingemann
648 * genpreds.c (add_constraint): Don't remove anything from the
650 (write_tm_constrs_h): Detect whether "op" argument is used, and
651 mark it ARG_UNUSED if it isn't.
652 (write_insn_const_int_ok_for_constraint): Skip the part of the
653 expression that would test whether "op" (which is not available
654 here) is a CONST_INT.
656 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
659 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
661 2006-10-03 Geoffrey Keating <geoffk@apple.com>
663 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
664 current Leopard versions.
665 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
667 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
669 * doc/install.texi: Fix typos.
671 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
673 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
674 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
675 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
677 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
679 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
680 arg to be struct mach_header_64* instead.
682 2006-10-02 Jakub Jelinek <jakub@redhat.com>
685 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
686 side effects after the outer expression's post side effects.
688 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
690 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
691 comments to reflect actual behavior and relationship between
692 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
694 * doc/c-tree.texi (Working with declarations): Fix documentation
695 of FIELD_DECL likewise.
697 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
700 * doc/extend.texi: Add used variable attribute description.
702 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
705 * c.opt (Woverride-init): New.
706 * c-opts.c (c_common_post_options): Default warn_override_init to
708 * c-typeck.c (add_pending_init, output_init_element): Warn for
709 overriding initializers without side effects.
710 * doc/invoke.texi (-Woverride-init): Document.
713 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
715 PR rtl-optimization/28096
716 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
717 assignment has already been used as a destination earlier in the block.
719 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
721 * builtins.c (expand_builtin_setjmp): Delete.
722 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
723 <BUILT_IN_SETJMP_SETUP>: New case.
724 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
725 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
726 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
727 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
728 (BUILT_IN_SETJMP_RECEIVER): Likewise.
729 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
730 (lower_function_body): Initialize it to false. If it is set to true
731 at the end of the processing, emit the setjmp dispatcher.
732 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
733 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
734 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
735 on the rhs of the assignment.
736 (lower_builtin_setjmp): New function.
737 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
738 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
739 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
740 to detect calls that can go to non-local labels. Use specific
741 helper to create the abnormal edges associated with them.
742 <MODIFY_EXPR>: Likewise.
743 (make_abnormal_goto_edges): New function extracted from...
744 (make_goto_expr_edges): ...here. Call it for computed gotos.
745 (simple_goto_p): Minor tweak.
746 (tree_can_make_abnormal_goto): New predicate.
747 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
748 (tree_purge_dead_abnormal_call_edges): New function.
749 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
750 (tree_purge_dead_abnormal_call_edges): Likewise.
751 (make_abnormal_goto_edges): Likewise.
752 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
753 Purge all dead abnormal edges if the call was in the last statement.
754 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
755 (execute_fixup_cfg): If there are non-local labels in the function,
756 scan the basic blocks and split them at calls that can go to non-local
757 labels or add missing abnormal call edges. Write down the CFG in the
759 (pass_fixup_cfg): Remove TODO_dump_func flag.
760 * unwind-sjlj.c: Poison setjmp.
761 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
762 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
763 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
764 (DONT_USE_BUILTIN_SETJMP): Document it.
766 2006-09-28 Geoffrey Keating <geoffk@apple.com>
769 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
770 to 1 when __ppc64__ is defined.
771 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
773 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
775 2006-09-28 Steve Ellcey <sje@cup.hp.com>
777 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
778 * config/ia64/unwind-hpux.c: Delete.
780 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
782 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
783 on the element before gimplifying it, instead of punting if it is of
786 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
788 * doc/loop.texi: New file.
789 * doc/gccint.texi: Reference loop.texi.
790 * Makefile.in (loop.texi): Add.
792 2006-09-27 Geoffrey Keating <geoffk@apple.com>
794 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
796 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
797 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
799 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
801 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
803 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
805 * doc/install.texi: Document required versions of GMP and MPFR.
807 2006-09-27 Paul Brook <paul@codesourcery.com>
810 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
812 2006-09-27 Richard Sandiford <richard@codesourcery.com>
814 * reload1.c (alter_reg): Require the alignment of the stack slot to
815 be at least reg_max_ref_width bytes.
816 (scan_paradoxical_subregs): Record the largest width in
819 2006-09-26 Jakub Jelinek <jakub@redhat.com>
823 * tree-nested.c (struct nesting_info): Added static_chain_added.
824 (convert_call_expr): Set static_chain_added when adding static
825 chain. Handle OMP_PARALLEL and OMP_SECTION.
827 2006-09-25 Matthias Klose <doko@debian.org>
829 * doc/invoke.texi: Add missing full stop.
831 2006-09-25 Richard Henderson <rth@redhat.com>
833 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
834 before cgraph_function_flags_ready.
836 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
837 Adam Nemet <anemet@caviumnetworks.com>
839 * tree-ssa-loop-ivopts.c (aff_combination_convert,
840 determine_common_wider_type): New functions.
841 (get_computation_aff): Use them to simplify arithmetic between
842 UBASE and CBASE if they are shortened from the same type.
844 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
847 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
848 -2147483647 - 1 instead of 0x80000000.
850 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
852 * flags.h (HONOR_NANS): Fix typo in comment.
854 2006-09-23 Uros Bizjak <uros@kss-loka.si>
856 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
858 2006-09-23 Jakub Jelinek <jakub@redhat.com>
862 * tree.c (merge_attributes, attribute_list_contained): If both
863 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
865 * c-typeck.c (comptypes_internal): Don't consider aggregates
866 in different TUs as compatible if there one set of attributes is
867 not a subset of the other type's attributes.
868 (composite_type): Try harder not to create a new aggregate type.
870 2006-09-22 Geoffrey Keating <geoffk@apple.com>
872 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
873 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
874 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
875 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
876 than replicating condition above.
877 * config.host (i[34567]86-*-*): Always use driver-i386.o.
879 * config/darwin.h (LINK_SYSROOT_SPEC): New.
880 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
881 the linker by default.
883 2006-09-22 Mike Stump <mrs@apple.com>
885 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
888 2006-09-22 Richard Guenther <rguenther@suse.de>
891 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
892 sort of stack variables stable.
894 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
897 * explow.c (force_reg): Set REG_POINTER flag according to
900 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
902 PR tree-optimization/28888
903 * tree-if-conv.c (combine_blocks): Rewritten.
904 * tree-cfg.c (tree_verify_flow_info): Check that edges with
905 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
907 2006-09-22 Jakub Jelinek <jakub@redhat.com>
909 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
912 2006-09-21 Richard Sandiford <richard@codesourcery.com>
914 * varasm.c (copy_constant): Fix reversed gcc_assert check.
916 2006-09-21 Janis Johnson <janis187@us.ibm.com>
918 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
920 2006-09-21 Roger Sayle <roger@eyesopen.com>
923 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
924 dw_fde_current_label, to be the start of the function, i.e. the same
925 value as dw_fde_begin.
927 2006-09-20 Richard Sandiford <richard@codesourcery.com>
929 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
930 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
931 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
932 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
933 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
934 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
935 (abs<mode>2, neg<mode>2): Likewise.
936 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
937 (*mips_abs_ps): New define_insn.
939 2006-09-20 Josh Conner <jconner@apple.com>
942 * calls.c (expand_call): Allow reuse of structure return stack
945 2006-09-20 Paul Brook <paul@codesourcery.com>
947 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
950 2006-09-20 Janis Johnson <janis187@us.ibm.com>
952 * doc/extend.texi (Decimal Float): Update for latest draft TR,
953 clean up terminology.
955 2006-09-20 Steve Ellcey <sje@cup.hp.com>
958 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
959 with tablejumps in them.
961 2006-09-20 Jakub Jelinek <jakub@redhat.com>
964 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
965 wrap it into TARGET_EXPR.
967 2006-09-20 Eric Christopher <echristo@apple.com>
969 * config/i386/i386.c (x86_fisttp): Remove.
970 * config/i386/i386.h (x86_fisttp): Ditto.
971 (TARGET_FISTTP): Ditto.
973 2006-09-19 Eric Christopher <echristo@apple.com>
975 * doc/tm.texi (OBJC_JBLEN): Describe.
976 * config/i386/darwin.h (OBJC_JBLEN): Define.
977 * config/rs6000/darwin.h: Ditto.
979 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
981 PR rtl-optimization/21299
982 * reload1.c (reload): Purge invalid ASMs in the final pass.
984 2006-09-19 Steve Ellcey <sje@cup.hp.com>
987 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
988 pointers as legitimate constants.
990 2006-09-19 Paul Brook <paul@codesourcery.com>
993 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
995 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
997 PR tree-optimization/28887
998 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
999 component parts from the reference.
1000 (gather_memory_references_ref): Record the reference without the
1001 nonaddressable component parts.
1003 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1006 * c-opts.c (c_common_handle_option): Ignore the -std options
1007 if the input language is assembly.
1009 2006-09-17 Ira Rosen <irar@il.ibm.com>
1012 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1014 (ptr_ptr_may_alias_p): Likewise.
1015 (record_record_differ_p): New function.
1016 (base_object_differ_p): Call record_record_differ_p.
1018 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1021 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1022 away for the expr argument.
1024 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1027 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1028 before using it for dumping after vectorizing loops.
1030 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1031 Jack Howarth <howarth@bromo.med.uc.edu>
1034 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1035 skip on error_mark_node.
1036 (rs6000_darwin64_record_arg_recurse): Likewise.
1038 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1040 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1041 * doc/rtl.texi: Remove related documentation.
1043 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1045 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1048 2006-09-15 Jim Wilson <wilson@specifix.com>
1050 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1051 Handle symbol offsets same as they are handled in ia64_expand_move
1054 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1056 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1057 Add forgotten parameter to the fprintf call.
1059 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1061 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1063 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1065 * doc/contrib.texi: Add my entry.
1067 2006-09-15 Nick Clifton <nickc@redhat.com>
1069 * doc/md.texi (Processor pipeline description): Fix typo in
1070 example of how to use the absence_set directive and reword the
1071 description to make it slightly easier to read.
1073 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1075 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1076 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1077 expanding the number of iterations.
1078 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1080 * cfgrtl.c (emit_insn_at_entry): New function.
1081 * rtl.h (emit_insn_at_entry): Declare it.
1082 * integrate.c (emit_initial_value_sets): Use it.
1084 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1086 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1088 (struct loop_work and related VEC declarations): Delete.
1089 (bfin_dump_loops): Print out new member bad.
1090 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1091 (bfin_scan_loop): Don't recurse.
1092 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1093 loops. No longer need to update outer loops if the current one is
1094 found bad. Move some validitiy checks to bfin_discover_loop.
1095 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1096 but changed not to check for nesting. Also changed to use the new bad
1098 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1099 time. Use bitmap based test to discover loop nesting.
1101 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1103 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1106 2006-09-14 Richard Guenther <rguenther@suse.de>
1107 Kazu Hirata <kazu@codesourcery.com>
1109 PR middle-end/28884.
1110 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1111 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1112 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1113 with TARGET_FUNCTION_VALUE.
1115 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1118 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1120 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1122 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1125 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1128 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1131 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1133 * basic_block.h (bb_has_eh_pred): Fix comment.
1135 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1137 * flow.c (calculate_global_regs_live): Invalidate eh registers
1138 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1139 (propagate_block): Handle eh registers as if they were set at basic
1141 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1143 * global.c (global_conflicts): Make eh registers to conflict with
1144 pseudos live at basic block begin.
1145 * basic_block.h (bb_has_eh_pred): New function.
1147 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1149 PR rtl-optimization/28982
1150 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1151 index of a PRE_MODIFY or POST_MODIFY address.
1152 * reload1.c (inc_for_reload): Use find_replacement on the original
1153 base and index registers.
1155 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1157 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1158 for -Os. Update __m128 alignment requirement.
1160 2006-09-13 Jan Hubicka <jh@suse.cz>
1162 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1164 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1166 PR rtl-optimization/28243
1167 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1168 the insn to which the note was originally attached.
1170 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1171 Roger Sayle <roger@eyesopen.com>
1173 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1174 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1175 on platforms that don't use dwarf for debug info.
1177 2006-09-12 Jason Merrill <jason@redhat.com>
1180 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1181 hard_frame_pointer_rtx after using it to update the frame pointer.
1183 2006-09-12 Roger Sayle <roger@eyesopen.com>
1185 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1186 (TARGET_ASM_CLOSE_PAREN): Likewise.
1187 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1188 (TARGET_ASM_CLOSE_PAREN): Likewise.
1190 2006-09-12 Roger Sayle <roger@eyesopen.com>
1193 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1194 frame information for frames larger than 512 Kbytes on Tru64 when
1195 using the native assembler.
1197 2006-09-12 Roger Sayle <roger@eyesopen.com>
1201 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1202 and symbols. Instead use the implementation from cse.c's hash_rtx.
1204 2006-09-12 Jan Hubicka <jh@suse.cz>
1206 PR rtl-optimization/28071
1207 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1208 (vect_transform_loop): Likewise.
1209 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1210 (new_loop_vec_info): Likewise.
1211 (destroy_loop_vec_info): Likewise.
1212 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1213 (create_stmt_ann): Likewise.
1214 (create_tree_ann): Rename to ...
1215 (create_tree_common_ann): ... this one; allocate only the common part
1217 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1218 (get_value_handle): Likewise.
1219 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1220 get_tree_common_ann.
1221 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1222 (vinfo_for_stmt): Use stmt annotations.
1223 * tree-flow.h (tree_ann_common_t): New type.
1224 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1225 (tree_ann, get_tree_ann, create_tree_ann): New.
1226 * tree-flow-inline.h (get_function_ann): Do more type checking.
1227 (stmt_ann): Likewise.
1228 (tree_ann): Rename to ...
1229 (tree_common_ann): ... this one; return ony common_ann
1230 (get_tree_ann): Rename to ...
1231 (tree_common_ann): This one; return only common_ann.
1232 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1235 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1237 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1238 with_cpu by default.
1240 * dwarf2out.c (dwarf_file_data): New.
1241 (enum dw_val_class): Add dw_val_class_file.
1242 (struct dw_val_struct): Add val_file.
1243 (file_table): Change to a hash table.
1244 (file_table_emitted): Delete.
1245 (file_table_last_lookup_index): Delete.
1246 (emitcount): Delete.
1247 (last_emitted_file): New.
1248 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1249 (init_file_table): Delete.
1250 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1251 (AT_addr): Add comment.
1255 (print_die): Handle dw_val_class_file.
1256 (print_dwarf_line_table): Update for new file table structure.
1257 (attr_checksum): Do checksum a filename.
1258 (same_dw_val_p, same_attr_p): Do compare a filename.
1259 (size_of_die): Handle dw_val_class_file.
1260 (value_format): Likewise.
1261 (output_die): Likewise. Also, call maybe_emit_file here.
1262 (struct file_info): Constify filenames. Make file_idx a pointer
1263 to a struct dwarf_file_data.
1264 (struct dir_info): Constify directory names. Remove 'used' field.
1265 (struct file_name_acquire_data): New.
1266 (file_name_acquire): New.
1267 (output_file_names): Modify to handle new file data structures.
1268 (add_src_coords_attributes): Use add_AT_file.
1269 (add_call_src_coords_attributes): Likewise.
1270 (dwarf2out_imported_module_or_decl): Likewise.
1271 (gen_subprogram_die): Modify for new file data structures.
1272 (gen_variable_die): Likewise.
1273 (file_table_eq): New.
1274 (file_table_hash): New.
1275 (file_table_last_lookup): New.
1276 (lookup_filename): Rewrite to handle new file data structures.
1277 (maybe_emit_file): Rewrite to handle new file data structures.
1278 (dwarf2out_source_line): Always call lookup_filename and
1280 (dwarf2out_init): Create file_table here.
1281 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1282 (file_table_relative_p): New.
1283 (dwarf2out_finish): Change detection of relative filenames
1284 to work with new file data structures. Move output_line_info call
1285 after debug_info output.
1287 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1292 * config/i386/i386.c (override_options): Always default to 16
1293 byte stack boundary.
1295 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1298 * var-tracking.c (dump_dataflow_set): Start dumping at
1300 (clobber_variable_part): Kill only the variable part in
1301 registers holding it, leaving other variables alone.
1303 2006-09-11 Josh Triplett <josh@freedesktop.org>
1305 * doc/extend.texi (Other Builtins): Actually use the macro
1306 argument in the documentation example for
1307 __builtin_types_compatible_p.
1309 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1311 PR rtl-optimization/28726
1312 * sched-deps.c (sched_analyze_reg): New function extracted from...
1313 (sched_analyze_1): ...here. Call it to analyze references to
1314 registers. Treat again writes to a stack register as writing to the
1316 (sched_analyze_2): ...and here. Call it to analyze references to
1317 registers. Treat again reads of a stack register as reading the
1320 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1321 David Edelsohn <edelsohn@gnu.org>
1324 * config/rs6000/spe.md (frob_df_di): Remove %H.
1325 (frob_di_df): Remove %H. Change evmergelo to mr.
1326 (frob_di_df_2): Remove %H. Change evldd to two loads.
1328 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1330 * doc/cpp.texi: Fix names of charset options.
1332 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1335 * config/i386/i386.c (override_options): Use 128-bit
1336 stack boundary always for 64bits.
1338 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1340 PR rtl-optimization/28636
1341 * combine.c (force_to_mode): Test for side-effects before
1342 substituting by zero.
1343 (simplify_shift_const): Likewise for zero or other constants.
1345 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1348 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1351 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1354 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1355 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1356 returned by mode_for_size, rather than the mode of src itself,
1357 to choose between 32-bit and 64-bit patterns.
1358 (mips_mem_fits_mode_p): New function.
1359 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1360 that the size of the source matches the size of the destination.
1361 (mov_<store>l, mov_<store>r): Likewise.
1363 2006-09-10 Eric Christopher <echristo@apple.com>
1365 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1368 2006-09-09 Eric Christopher <echristo@apple.com>
1371 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1374 2006-09-09 Roger Sayle <roger@eyesopen.com>
1375 Nicolas Setton <setton@adacore.com>
1377 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1379 2006-09-10 Andreas Schwab <schwab@suse.de>
1381 * config/m68k/m68k.md (bungt_rev): New pattern.
1383 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1384 Dale Johannesen <dalej@apple.com>
1387 * regclass.c (struct reg_pref): Update documentation.
1388 (regclass): Set prefclass to NO_REGS if memory is the best option.
1389 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1391 2006-09-08 Eric Christopher <echristo@apple.com>
1393 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1394 * config/t-slibgcc-darwin: Support x86_64 multilib.
1395 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1396 Return 1 for x86_64-darwin.
1397 * config/i386/t-darwin: Add m64 multilib.
1398 (LIB2_SIDITI_CONV_FUNCS): Use.
1399 (LIB2FUNCS_EXTRA): Ditto.
1400 * config/i386/darwin.h: Support x86_64.
1401 * config/i386/i386.c (override_options): Turn on flag_pic
1402 for x86_64-darwin. Disable flag_omit_pointer.
1403 (get_pc_thunk_name): Assert !TARGET_64BIT.
1404 (legitimate_address_p): Disable machopic addressing for
1406 (legitimize_pic_address): Ditto.
1407 (ix86_expand_move): Ditto.
1408 (ix86_expand_call): Ditto.
1409 (machopic_output_stub): Ditto.
1410 * config/darwin.c (machopic_select_section): Support literal16.
1411 (machopic_select_rtx_section): Ditto.
1412 * config/darwin-sections.def: Ditto.
1413 * config/darwin-64.c: New.
1415 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1418 * c-tree.h (struct c_arg_info): Add pending_sizes.
1419 * c-parser.c (c_parser_parms_declarator,
1420 c_parser_parms_list_declarator): Initialize pending_sizes.
1421 * c-decl.c (get_parm_info): Initialize pending_sizes.
1422 (get_parm_info): Set pending_sizes.
1423 (grokdeclarator): Call put_pending_sizes for parameters for
1424 function definition only.
1426 2006-09-07 Jason Merrill <jason@redhat.com>
1429 * varasm.c (output_constant): Only strip actual no-op conversions.
1432 * config/i386/i386.c (override_options): Use 128-bit
1433 stack boundary if -msse.
1435 2006-09-07 Eric Christopher <echristo@apple.com>
1437 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1439 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1442 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1444 * dwarf2out.c: Remove strange characters from comment above
1445 dwarf2out_frame_debug_expr.
1447 2006-09-07 Eric Christopher <echristo@apple.com>
1449 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1450 * config/darwin.h: ... to here.
1452 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1454 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1456 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1457 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1459 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1460 TARGET_PARTIAL_FLAG_REG_STALL.
1461 (*ashldi3_cconly_rex64): Likewise.
1462 (*ashlsi3_cmp): Likewise.
1463 (*ashlsi3_cconly): Likewise.
1464 (*ashlsi3_cmp_zext): Likewise.
1465 (*ashlhi3_cmp): Likewise.
1466 (*ashlhi3_cconly): Likewise.
1467 (*ashlqi3_cmp): Likewise.
1468 (*ashlqi3_cconly): Likewise.
1469 (*ashrdi3_cmp_rex64): Likewise.
1470 (*ashrdi3_cconly_rex64): Likewise.
1471 (*ashrsi3_cmp): Likewise.
1472 (*ashrsi3_cconly): Likewise.
1473 (*ashrsi3_cmp_zext): Likewise.
1474 (*ashrhi3_cmp): Likewise.
1475 (*ashrhi3_cconly): Likewise.
1476 (*ashrqi3_cmp): Likewise.
1477 (*ashrqi3_cconly): Likewise.
1478 (*lshrdi3_cmp_rex64): Likewise.
1479 (*lshrdi3_cconly_rex64): Likewise.
1480 (*lshrsi3_cmp): Likewise.
1481 (*lshrsi3_cconly): Likewise.
1482 (*lshrsi3_cmp_zext): Likewise.
1483 (*lshrhi3_cmp): Likewise.
1484 (*lshrhi3_cconly): Likewise.
1485 (*lshrqi2_cmp): Likewise.
1486 (*lshrqi2_cconly): Likewise.
1488 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1491 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1492 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1493 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1494 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1495 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1496 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1497 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1498 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1499 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1500 implement only CC setting effects of shift instructions.
1502 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1504 * doc/contrib.texi: Add myself.
1506 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1509 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1510 was set by the user.
1512 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1515 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1516 (divsi_inv_m1): Use them.
1517 (UNSPEC_DIV_INV_TABLE): New constant.
1519 2006-09-06 James E Wilson <wilson@specifix.com>
1522 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1523 then call count_or_remove_death_notes.
1525 2006-09-06 Jason Merrill <jason@redhat.com>
1528 * tree-inline.c (copy_result_decl_to_var): New fn.
1529 (declare_return_variable): Use it. Call declare_inline_vars here.
1530 (expand_call_inline): Not here.
1532 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1534 * doc/contrib.texi: Update my entry.
1536 2006-09-06 Nick Clifton <nickc@redhat.com>
1538 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1540 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1543 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1544 (canonicalize_induction_variables): Likewise.
1545 (tree_unroll_loops_completely): Likewise.
1546 (tree_ssa_prefetch_arrays): Likewise.
1547 (remove_empty_loops): Likewise.
1548 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1549 TODO_cleanup_cfg instead of directly calling
1550 cleanup_tree_cfg_loop.
1551 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1553 (tree_unroll_loops_completely): Likewise.
1554 (remove_empty_loops): Likewise.
1555 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1556 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1557 of tree_ssa_unswitch_loops.
1558 (tree_ssa_loop_ivcanon): Use the return value of
1559 canonicalize_induction_variables.
1560 (tree_ssa_empty_loop): Use the return value of
1562 (tree_complete_unroll): Use the return value of
1563 tree_unroll_loops_completely.
1564 (tree_ssa_loop_prefetch): Use the return value of
1565 tree_ssa_prefetch_arrays.
1566 * passes.c (execute_todo): Before Cleanup CFG, set
1567 updating_used_alone and after cleanup CFG, call
1568 recalculate_used_alone.
1570 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1573 * tree-vect-transform.c (vectorizable_condition): Move the check
1574 for the type after the check for simple condition.
1576 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1577 Kaz Kojima <kkojima@gcc.gnu.org>
1580 * mode-switching.c (optimize_mode_switching): Make the destination
1581 block of an abnormal edge have no anticipatable mode. Don't
1582 insert mode switching code at the end of the source block of
1585 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1587 PR rtl-optimization/26847
1588 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1589 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1590 (simplify_plus_minus): Count n_constants while filling ops. Replace
1591 qsort with insertion sort. Before going through the array to simplify
1592 pairs, sort it. Delay early exit until after the first sort, exiting
1593 only if no swaps occurred. Simplify pairs in reversed order, without
1594 special-casing the first iteration. Pack ops after simplifying pairs.
1596 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1598 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1599 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1600 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1601 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1603 2006-09-05 Richard Guenther <rguenther@suse.de>
1605 PR tree-optimization/28900
1606 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1607 compound conditional before creating COND_EXPR condition.
1609 2006-09-05 Richard Guenther <rguenther@suse.de>
1611 PR tree-optimization/28905
1612 * tree-vrp.c (fix_equivalence_set): Manually implement
1613 !value_ranges_intersect_p to also handle symbolic ranges.
1615 2006-09-05 Richard Guenther <rguenther@suse.de>
1618 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1621 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1623 PR rtl-optimization/27616
1624 * cse.c (table_size): New static variable.
1625 (new_basic_block): Initialize it to 0.
1626 (remove_from_table): Decrement it.
1627 (insert): Increment it.
1628 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1629 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1630 fold_rtx_mem_1 if under the cap.
1631 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1632 the lookup of the equivalent expression and test for equality of the
1633 first operand of the equivalent expression before in turn looking up
1634 an equivalent constant for the second operand.
1636 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1639 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1640 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1641 pointer, instead of assuming it is possible to derive the
1642 correct args size from a call insn.
1644 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1647 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1648 (fold_builtin_mempcpy): Rename to...
1649 (fold_builtin_memory_op): ... this. Optimize one element copy
1651 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1653 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1654 (expand_builtin_memcpy, expand_builtin_mempcpy,
1655 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1656 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1657 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1658 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1660 2006-09-01 DJ Delorie <dj@redhat.com>
1662 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1663 (stzx_16): Likewise.
1664 ("stzx_24_<mode>"): Likewise.
1665 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1666 ("cmp<mode>_op"): New.
1667 (cmp<mode>): Change to expander; just save operands.
1669 (b<code>): Change to expander, emit compare here.
1670 (s<code>_op): Change to use split and expander.
1671 (s<code>_24_op): Likewise.
1672 (s<code>_<mode>): New.
1673 (s<code>_<mode>_24): New.
1674 (movqicc_<code>_<mode): New.
1675 (movhicc_<code>_<mode>): New.
1678 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1679 (m32c_pend_compare): New.
1680 (m32c_unpend_compare): New.
1681 (m32c_expand_scc): New.
1682 (m32c_expand_movcc): Emit the compare also.
1683 * config/m32c/predicates.md (mra_nopp_operand): New.
1685 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1686 Richard Guenther <rguenther@suse.de>
1687 Adam Nemet <anemet@caviumnetworks.com>
1690 * builtins.c (get_pointer_alignment): Handle more forms
1691 of base addresses that can be used to derive more precise
1692 information about alignment.
1694 2006-09-01 Jason Merrill <jason@redhat.com>
1697 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1700 * gimplify.c (voidify_wrapper_expr): Handle null type.
1702 2006-09-01 Josh Conner <jconner@apple.com>
1705 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1706 (execute_return_slot_opt): Use it.
1708 2006-08-31 Josh Conner <jconner@apple.com>
1711 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1712 returning aggregates.
1714 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1716 PR tree-optimization/28839
1717 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1718 blocks in that phi arguments appear.
1720 2006-08-31 Roger Sayle <roger@eyesopen.com>
1723 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1724 NULL, otherwise use an advance_loc4 to adjust relative to the
1726 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1727 (dwarf2out_switch_text_section): Reset the current label to avoid
1728 using advance_loc4 over section boundaries.
1730 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1733 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1734 r12 + SYMBOLIC_CONST.
1736 2006-08-30 Richard Guenther <rguenther@suse.de>
1738 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1740 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1742 PR rtl-optimization/27735
1743 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1744 Add new argument to keep track of whether an irreducible region
1745 was affected. All callers changed.
1746 (fix_irreducible_loops): Removed.
1747 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1748 flags were invalidated.
1750 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1752 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1753 instead of SF operands.
1754 (*fop_df_comm_sse): Likewise.
1755 (*fop_df_comm_i387): Likewise.
1756 (*fop_df_1_mixed): Likewise.
1757 (*fop_df_1_sse): Likewise.
1759 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1760 J"orn Rennecke <joern.rennecke@st.com>
1762 PR tree-optimization/17506
1763 * tree-ssa.c (warn_uninit): If warning about a location outside of
1764 the current function, note where the variable was declared.
1766 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1768 PR tree-optimization/28411
1769 * double-int.c (double_int_div): Use double_int_divmod.
1770 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1771 double_int_mod, double_int_smod, double_int_umod): New functions.
1772 * double-int.h (double_int_divmod, double_int_sdivmod,
1773 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1775 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1777 (get_computation_aff, get_computation_cost_at): Handle double_int
1778 return type of constant_multiple_of.
1780 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1783 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1784 an implicit conversion.
1786 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1788 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1790 2006-08-27 Roger Sayle <roger@eyesopen.com>
1792 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1795 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1797 * config/i386/crtfastmath.c: Fix a comment typo.
1799 2006-08-26 Roger Sayle <roger@eyesopen.com>
1801 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1802 temporary visit flags on CASE_LABEL_EXPRs.
1803 * c-common.c (match_case_to_enum): Add function comment. Avoid
1804 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1805 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1806 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1807 a constant, only warn if that constant value isn't handled.
1809 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1812 * input.h (restore_input_file_stack): Declare.
1813 (INPUT_FILE_STACK_BITS): Define.
1814 * toplev.c (fs_p, input_file_stack_history,
1815 input_file_stack_restored, restore_input_file_stack): New.
1816 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1817 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1818 (pop_srcloc): Don't free old state of stack.
1820 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1823 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1824 (PowerPC Type Attributes): New.
1826 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1828 * config/xtensa/xtensa.c (function_arg_boundary): New.
1829 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1831 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1832 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1834 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1837 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1840 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1842 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1843 (verify_local_live_at_start): Likewise.
1845 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1848 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1849 omp_add_variable): Treat sizes as variable whenever not
1852 2006-08-26 Richard Guenther <rguenther@suse.de>
1855 * fold-const.c (fold_binary): Fold temporary to correct
1856 type before constructing new comparison.
1858 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1861 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1862 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1864 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1867 * c-decl.c (start_function): Don't try to process prototype
1868 information from old declaration that isn't a function.
1870 2006-08-25 Jan Hubicka <jh@suse.cz>
1873 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1875 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1878 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1881 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1883 PR tree-optimization/16876
1884 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1885 exit if PARM doesn't match VALUE.
1887 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1889 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1890 literal_prefix directive.
1891 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1892 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1893 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1895 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1898 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1899 predicate to general_operand. Add 0->y and I->r alternatives.
1901 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1903 * doc/tm.texi: Fix a typo.
1904 * predict.c: Fix comment typos.
1906 2006-08-25 Nick Clifton <nickc@redhat.com>
1908 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1909 assertions of "cpu" and "machine".
1911 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1914 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1915 the access through a base which has an alias set of 0 cannot
1918 2006-08-24 Bill Wendling <wendling@apple.com>
1920 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1922 2006-08-24 Jan Hubicka <jh@suse.cz>
1924 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1926 2006-08-24 Jan Hubicka <jh@suse.cz>
1929 * cgraph.c: Fix comments.
1930 (cgraph_varpool_mark_needed_node): Mark only variables not already
1932 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1933 (cgraph_varpool_assembled_nodes_queue): New static variable.
1934 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1935 (cgraph_varpool_output_debug_info): New function.
1936 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1937 * Makefile.in: Add gt-cgraphunit.h
1939 2006-08-24 Jan Hubicka <jh@suse.cz>
1941 * predict.c (probability_reliable_p): New predicate.
1942 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1943 (predict_loops): Do not predict loop exit with less than 2%
1945 * basic-block.h (edge_probability_reliable_p,
1946 br_prob_note_reliable_p): Declare.
1947 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1948 prediction when static predictor is not reliable.
1949 * rs6000.c (output_cbranch): Likewise.
1951 2006-08-23 Stuart Hastings <stuart@apple.com>
1954 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1955 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1957 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1960 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1961 complex values, nor for generic vector values.
1963 2006-08-22 Richard Guenther <rguenther@suse.de>
1966 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1967 parameter. Convert arguments to arithmetic expression to the
1969 (analyze_scalar_evolution_1): Adjust caller.
1971 2006-08-22 Jan Hubicka <jh@suse.cz>
1973 Patch by Paolo Bonzini
1974 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1977 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1979 PR tree-optimization/28003
1980 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1981 before grouping aliases.
1983 2006-08-22 Roger Sayle <roger@eyesopen.com>
1985 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1986 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1988 2006-08-21 Jason Merrill <jason@redhat.com>
1991 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1992 wrapper. Loop to handle nested wrappers.
1993 (gimplify_bind_expr): Remove temp parameter.
1994 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1995 and STATEMENT_LIST on the rhs.
1996 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1997 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1998 (gimplify_target_expr): Remove special BIND_EXPR handling.
2000 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2002 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2005 2006-08-21 Olivier Hainque <hainque@adacore.com>
2007 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2008 Arrange for the temporary captures of components overlapping the lhs
2009 to happen before the lhs is possibly cleared.
2011 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2013 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2014 necessary places to pass the correct "number of registers" values
2017 2006-08-20 Jan Hubicka <jh@suse.cz>
2019 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2020 (create_name_tags): Instead of quadratic checking use hashtable.
2021 * bitmap.h: Include hashtab.h.
2022 (bitmap_hash): Declare.
2023 * bitmap.c (bitmap_hash): New function.
2025 2006-08-20 Jan Hubicka <jh@suse.cz>
2027 PR rtl-optimization/28071
2028 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2030 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2031 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2032 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2033 cgraph_decide_inlining_incrementally): Update use of
2034 cgraph_check_inline_limits.
2035 * cgraph.c (edge_hash, edge_eq): New function.
2036 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2037 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2038 cgraph_remove_node): Maintain call site hash.
2039 * cgraph.h (struct cgraph_node): Add call_site_hash.
2040 (cgraph_set_call_stmt): New function.
2042 2006-08-20 Jan Hubicka <jh@suse.cz>
2044 PR rtl-optimization/28071
2045 * reload1.c (reg_has_output_reload): Turn into regset.
2046 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2047 choose_reload_regs, emit_reload_insns): Update to new
2048 reg_has_output_reload.
2050 2006-08-20 Jan Hubicka <jh@suse.cz>
2053 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2054 function body sizes.
2055 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2057 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2060 * tree.c (handle_dll_attribute): Return early if not a
2061 var or function decl.
2063 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2066 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2067 alignment of SPE vector types.
2069 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2071 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2073 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2076 * cgraph.h (struct cgraph_node): Remove externally_visible
2078 * cgraphunit.c (process_function_and_variable_attributes): Set
2079 local.externally_visible rather than externally_visible.
2082 * c-common.c (handle_externally_visible_attribute): First look
2083 at TREE_CODE and only if it is function or var decl, check for
2084 non-public objects. Don't warn for DECL_EXTERNAL.
2085 * cgraphunit.c (process_function_and_variable_attributes): Warn
2086 if externally_visible attribute is used on non-public object.
2088 2006-08-17 Jan Hubicka <jh@suse.cz>
2090 PR tree-optimization/27865
2091 * reload1.c (forget_marked_reloads): New function.
2092 (forget_old_reloads_1): When data are passed, just mark the registers
2094 (reload_as_needed): Use the new mechanizm.
2096 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2099 * reload.h (reg_equiv_alt_mem_list): New declaration.
2100 * reload1.c (reg_equiv_alt_mem_list): New definition.
2101 (reload): Initialize it and release it.
2102 (delete_output_reload): Use it.
2103 * reload.c (push_reg_equiv_alt_mem): New function.
2104 (find_reloads_toplev): Call it.
2105 (find_reloads_address, find_reloads_address_1): Likewise.
2106 (find_reloads_subreg_address): Likewise.
2108 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2110 PR rtl-optimization/28489
2111 * sched-ebb.c (begin_schedule_ready): Create basic block
2113 (advance_target_bb): Skip empty blocks.
2114 * haifa-sched.c (bb_note): Make global.
2115 * sched-int.h (bb_note): Add prototype.
2117 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2119 PR tree-optimization/27865
2120 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2122 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2123 fold_used_pointer, pointer_used_p): New functions.
2124 (analyze_scalar_evolution_1): Use fold_used_pointer.
2125 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2126 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2129 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2132 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2133 or the INTEGER_CST. Fail on a CALL_EXPR.
2134 (fold_offsetof): Pass new argument to fold_offsetof_1.
2135 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2136 operand into an INDIRECT_REF.
2137 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2139 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2141 PR gcov/profile/26570
2142 * value-prof.c (static_values): Removed.
2143 (tree_find_values_to_profile): Do not set static_values.
2144 (find_values_to_profile): Do not free static_values.
2145 * profile.c (instrument_values): Do not free the values.
2146 (branch_prob): Free the values.
2148 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2150 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2152 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2155 * c-typeck.c (build_component_ref): Combine qualifiers of
2156 structure or union and field.
2158 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2160 PR rtl-optimization/28071
2161 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2162 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2163 * tree-into-ssa.c (struct dom_dfsnum): New.
2164 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2166 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2167 compute_global_livein.
2168 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2169 in phi nodes in the correct blocks.
2171 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2173 PR tree-optimization/28364
2174 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2176 (fold_affine_expr): New function.
2177 (may_eliminate_iv): Use fold_affine_expr.
2179 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2182 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2185 2006-08-16 Mike Stump <mrs@apple.com>
2187 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2188 * doc/cppopts.texi (-MD): Likewise.
2190 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2193 * c-common.c (handle_weak_attribute): Ignore and warn if
2194 not a FUNCTION_ or VAR_DECL.
2196 2006-07-15 Mike Stump <mrs@apple.com>
2199 * c-parser.c (c_parser_typeof_specifier): Don't use
2200 c_finish_expr_stmt, open code desired semantics instead.
2202 2006-08-15 Nick Clifton <nickc@redhat.com>
2204 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2205 fragment to tmake_file only if threads are enabled.
2206 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2207 * config/i386/t-gthr-win32: New file. ... here.
2209 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2212 * c-parser.c (c_parser_compound_statement_nostart): Reset
2213 parser->error after each statement.
2215 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2218 * omp-low.c (lower_omp_parallel): Convert t to
2219 receiver_decl's type.
2220 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2221 source before comparison.
2224 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2225 to itype in assignment to oldival2.
2227 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2231 * c-typeck.c (build_compound_expr): If the second expression
2232 is an error mark, then just return an error mark instead of
2233 creating a COMPOUND_EXPR.
2235 2006-07-14 Mike Stump <mrs@apple.com>
2237 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2239 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2241 * c-decl.c, var-tracking.c: Fix comment typos.
2243 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2245 PR rtl-optimization/28634
2246 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2247 for floating-point modes unless flag_unsafe_math_optimizations.
2249 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2250 Andrew Pinski <pinskia@physics.uc.edu>
2253 * tree.c (build_array_type): Unify array types with
2254 unspecified index_type.
2255 * c-decl.c (grokdeclarator): Make sure we do not modify a
2256 unified incomplete array type.
2257 * c-typeck.c (store_init_value): Create distinct type before
2258 filling in the index type in an initializer from a compound
2261 * c-decl.c (grokdeclarator): Remove code where we copy the
2264 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2266 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2267 into account for TODO_dump_cgraph.
2268 (TODO_update_ssa_no_phi): Likewise.
2269 (TODO_update_ssa_full_phi): Likewise.
2270 (TODO_update_ssa_only_virtuals): Likewise.
2271 (TODO_remove_unused_locals): Likewise.
2272 (TODO_set_props): Likewise.
2273 (TODO_update_stmt_usage): Likewise.
2275 2006-08-13 Dirk Mueller <dmueller@suse.de>
2277 * c-common.c (strict_aliasing_warning): Fix formatting.
2279 2006-08-13 Matthias Klose <doko@debian.org>
2281 * doc/invoke.texi: Fix spelling errors.
2283 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2285 PR rtl-optimization/23454
2286 * reorg.c (relax_delay_slots): Update comment.
2288 2006-08-11 Richard Guenther <rguenther@suse.de>
2291 * simplify-rtx.c (simplify_const_relational_operation):
2292 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2295 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2297 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2298 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2300 2006-08-10 Paul Brook <paul@codesourcery.com>
2302 * final.c (final_scan_insn): Clear current_insn_predicate before
2303 outputting inline asm.
2305 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2307 PR tree-optimization/26197
2308 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2309 get_ref_base_and_extent and overlap_subvar to add only relevant
2310 subvars as may-aliases.
2311 (add_may_alias_for_new_tag): New function, factored out of
2313 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2314 with additional argument.
2315 * tree-flow.h (new_type_alias): Takes additional argument.
2317 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2319 * gcov.c (no_data_file): New flag.
2320 (read_count_file): Set it if data file not present. Assume counts
2322 (output_lines): Don't name the data file, if there wasn't one.
2324 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2326 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2327 (rs6000_generate_compare): Tweak comments.
2328 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2330 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2332 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2333 (var_debug_decl): New function.
2334 (var_reg_set): Follow debug decl link. Add location even if
2335 reg is already known to hold some other variable.
2336 (var_mem_set): Follow debug decl link.
2337 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2338 decl link. Delete other known locations of the variable part
2340 (var_reg_delete, var_mem_delete): Delete other known locations
2341 of the variable part if requested.
2342 (same_variable_part_p): New function.
2343 (add_stores): Select MO_COPY when appropriate.
2344 (vt_initialize): Handle it.
2345 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2346 known locations for MO_SET and MO_CLOBBER.
2347 (find_variable_location_part): New function.
2348 (set_variable_part, delete_variable_part): Use it.
2349 (clobber_variable_part): New function.
2350 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2353 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2355 PR tree-optimization/26969
2356 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2357 with an empty list of PHIs.
2359 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2363 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2366 2006-08-06 Andreas Schwab <schwab@suse.de>
2368 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2369 string. Whitespace and comment fixup.
2371 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2374 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2378 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2381 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2383 2006-08-04 Jan Hubicka <jh@suse.cz>
2387 * reload.c (push_reload): Patch out the mismatching instruction;
2389 (find_reload): Bail out if the instruction was patched out.
2391 2006-08-04 Jan Hubicka <jh@suse.cz>
2393 PR tree-optimization/24888
2394 * tree-inline.c (expand_call_inline): Do not re-record variables.
2395 (declare_inline_vars): Add variable to unexpanded_var_list.
2397 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2398 Roger Sayle <roger@eyesopen.com>
2400 PR rtl-optimization/26244
2401 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2402 inner_const are negative or greater than or equal to the bitsize of
2403 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2404 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2405 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2406 CONST0_RTX (mode) when the new shift count is greater than or equal to
2407 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2410 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2412 * tree-cfg.c: Fix a comment typo.
2414 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2417 * varasm.c (output_constant): Give the front end another chance to
2418 expand constants, after stripping NOPs.
2420 2006-08-03 Jan Hubicka <jh@suse.cz>
2422 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2425 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2427 PR tree-optimization/27770
2428 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2429 declaration removed (moved to tree-flow.h).
2430 (vect_can_force_dr_alignment_p): Likewise.
2431 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2432 (moved from tree-vectorizer.h).
2433 (vect_can_force_dr_alignment_p): Likewise.
2434 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2435 from outside the vectorizer - in particular from cgraph stage.
2436 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2437 the alignment of global arrays when -fsection-anchors is enabled.
2438 * cgraphunit.c (cgraph_increase_alignment): New function.
2439 (cgraph_optimize): Call cgraph_increase_alignment.
2441 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2444 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2445 not reload a SPE symbol_ref into a lo_sum address.
2447 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2450 * dwarf2out.c (prune_unused_types_prune): Move call to
2451 prune_unused_types_update_strings to cover the parent DIE also.
2453 2006-08-02 Jan Hubicka <jh@suse.cz>
2455 PR gcov/profile/28480
2456 * tree-cfg.c (change_bb_for_stmt): New function.
2457 (tree_merge_blocks, tree_split_blocks): Use it.
2459 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2465 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2466 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2467 (cgraph_optimize): Likewise.
2469 2006-08-01 Stuart Hastings <stuart@apple.com>
2471 * rtl.h (UINTVAL) New.
2472 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2473 * testsuite/gcc.dg/20060801-1.c: New.
2475 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2478 * c-typeck.c (build_external_type): Mark used enum types.
2479 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2481 (gen_subprogram_die): Whitespace fix.
2483 2006-08-01 Jan Hubicka <jh@suse.cz>
2485 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2486 bitmap when not needed.
2487 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2490 2006-08-01 Dirk Mueller <dmueller@suse.de>
2492 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2494 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2496 * Makefile.in: Revert part of previous patch:
2497 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2500 2006-07-30 Eric Christopher <echristo@apple.com>
2503 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2504 (PowerPC Variable Attributes): New section.
2506 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2508 PR target/28126 (partial fix)
2509 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2511 2006-07-28 Jan Hubicka <jh@suse.cz>
2513 PR rtl-optimization/28071
2514 * cfgrtl.c (rtl_delete_block): Free regsets.
2515 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2517 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2519 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2520 and variables used in dependencies.
2522 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2524 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2525 %fs for -mcmodel=kernel.
2526 (stack_tls_protect_test_di): Likewise.
2528 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2530 * Makefile.in: Use mkinstalldirs.
2532 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2535 * opts-common.c (prune_options): Skip joined switches.
2537 2006-07-27 Jan Hubicka <jh@suse.cz>
2539 PR rtl-optimization/28071
2540 * cselib.c (cselib_process_insn): Don't remove useless values too
2541 often for very large hashtables.
2543 2006-07-27 Jan Hubicka <jh@suse.cz>
2545 PR rtl-optimization/28071
2546 * global.c (greg_obstack): New obstack.
2547 (allocate_bb_info): Use it.
2548 (free_bb_info): Likewise.
2549 (modify_reg_pav): Likewise.
2551 2006-07-27 Roger Sayle <roger@eyesopen.com>
2553 * builtins.c (fold_fixed_mathfn): When long and long long are the
2554 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2555 functions to their lceil*, lfloor*, lround* and lrint* forms.
2557 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2560 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2562 (rev_branch_insn): Likewise.
2564 2006-07-27 Jan Hubicka <jh@suse.cz>
2566 PR rtl-optimization/28071
2567 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2568 (reg_set_in_bb, max_reg_computed): New static variables.
2569 (regmove_optimize): Free the new array.
2570 (fixup_match_1): Update call of reg_is_remote_constant_p.
2572 2006-07-26 Jan Hubicka <jh@suse.cz>
2574 PR tree-optimization/27882
2575 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2577 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2579 (cgraph_analyze_compilation_unit): Likewise.
2580 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2581 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2582 (cgraph_early_inlinine): Make order garbage collected.
2583 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2585 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2587 * dbxout.c (output_types_sort): Add a comment.
2588 (output_used_types): Free the VEC.
2590 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2592 * function.c (reorder_fix_fragments): Delete.
2593 (reorder_blocks): Don't call it.
2594 (reorder_blocks_1): Put all subblocks under the origin block.
2596 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2598 PR rtl-optimization/27907
2599 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2602 2006-07-25 Roger Sayle <roger@eyesopen.com>
2605 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2606 bar(x) check that bar's result type can represent all the values of T.
2608 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2610 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2612 2006-07-25 Nick Clifton <nickc@redhat.com>
2614 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2615 size_lookup[] array.
2616 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2617 (ggc_pch_count_object): Likewise.
2618 (ggc_pch_alloc_object): Likewise.
2619 (ggc_pch_write_object): Likewise.
2620 (init_ggc): Do not attempt to initialize entries in the
2621 size_lookup[] array for objects whose size is greater than than
2622 the length of the array.
2624 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2626 * dbxout.c (output_used_types_helper): Push queued types
2628 (output_types_sort): New.
2629 (output_used_types): Collect used types on a VEC and sort them
2632 2006-07-24 Richard Guenther <rguenther@suse.de>
2635 * cgraph.c (cgraph_remove_node): Do not check if dumps
2637 * cgraphunit.c (cgraph_optimize): Likewise.
2639 2006-07-24 Jan Hubicka <jh@suse.cz>
2641 PR rtl-optimization/28071
2642 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2643 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2644 splitting before first stmt.
2646 2006-07-24 Jan Hubicka <jh@suse.cz>
2648 PR rtl-optimization/28071
2649 * ipa-inline.c (update_caller_keys): Remove edges that
2650 are no longer inline candidates.
2652 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2655 * dbxout.c (output_used_types_helper, output_used_types): New.
2656 (dbxout_symbol): Call output_used_types.
2658 2006-07-23 Jan Hubicka <jh@suse.cz>
2662 * cgraph.c (cgraph_varpool_nodes): Export.
2663 (decide_is_variable_needed): Ignored "used" attribute in
2664 unit-at-a-time mode.
2665 * cgraph.h (cgraph_varpool_nodes): Declare.
2666 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2667 unit-at-a-time mode.
2669 2006-07-23 Roger Sayle <roger@eyesopen.com>
2672 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2673 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2674 the __gthrw form of thr_keycreate.
2675 (__gthread_key_delete): Silence the unused argument warning.
2677 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2680 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2681 Cache the last found '\0' marker to avoid quadratic behavior.
2683 2006-07-23 Jan Hubicka <jh@suse.cz>
2685 * i386.md (subsi_3_zext): Fix output template.
2687 2006-07-21 Mike Stump <mrs@apple.com>
2689 * doc/invoke.texi (C++ Dialect Options): Note that
2690 -fvisibility-inlines-hidden doesn't affect explicitly
2691 instantiationed inline methods.
2693 2006-07-20 Roger Sayle <roger@eyesopen.com>
2695 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2696 if the target assembler is GNU binutils' gas.
2697 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2698 whether to pass GNU gas or native as command line options.
2700 2006-07-20 Jason Merrill <jason@redhat.com>
2702 * tree.c (remove_attribute): New fn.
2703 * tree.h: Declare it.
2705 2006-07-20 Paul Brook <paul@codesourcery.com>
2708 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2709 they are invalidated by this instruction.
2711 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2714 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2716 2006-07-20 Eric Christopher <echristo@apple.com>
2719 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2721 2006-07-19 Eric Christopher <echristo@apple.com>
2723 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2724 Rewrite dependencies for libgcc_s.1.dylib.
2726 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2728 * except.c (duplicate_eh_regions_1): Clear next_peer.
2730 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2732 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2733 -mlongcall does not guarantee all calls will be long.
2734 * doc/extend.texi (long_call/short_call): Document that longcall
2735 does not guarantee a long call will be used.
2736 (longcall/shortcall): Likewise.
2738 2006-07-18 Roger Sayle <roger@eyesopen.com>
2741 * expmed.c (expand_shift): Additionally check that the shift_cost
2742 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2743 before implementing a LSHIFT_EXPR as a sequence of additions.
2744 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2745 middle-end that DImode shifts need to be synthesized by expand.
2747 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2750 * tree-ssa-operands.c (access_can_touch_variable): Update
2752 Return true if ALIAS is .GLOBAL_VAR.
2754 2006-07-18 David Daney <ddaney@avtrex.com>
2756 * gcc.c (display_help): Fix typo in help text.
2758 2006-07-18 Olivier Hainque <hainque@adacore.com>
2760 * tree.h (categorize_ctor_elements): Adjust prototype and add
2761 descriptive comment, both in accordance with the interface change
2763 * varasm.c (constructor_static_from_elts_p): New function.
2764 Whether a constructor node is a valid static constant initializer
2765 if all its elements are.
2766 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2767 * output.h: Declare it.
2768 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2769 is a valid constant initializer instead of computing the number of
2770 non-constant elements. Use constructor_static_from_elts_p for this
2771 purpose. Replace the head comment with an indication that this is a
2772 helper for categorize_ctor_elements.
2773 (categorize_ctor_elements): Same interface change as for the _1
2774 helper. Former head comment from this helper moved here, adjusted to
2775 account for the interface changes.
2776 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2777 (all_zeros_p): Likewise.
2778 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2779 static versions of the constructor from the categorize_ctor_elements
2780 return value instead of the formerly computed number of non-constant
2783 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2785 * configure: Regenerate.
2786 * Makefile.in (build_libsubdir): New configure substitution
2787 (build_libobjdir): New variable.
2788 (BUILD_LIBIBERTY): Use it.
2790 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2793 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2795 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2798 * c-common.c (handle_weakref_attribute): Ignore attribute in
2799 the same conditions the alias attribute is ignored.
2801 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2803 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2804 (dbxout_begin_prologue): Increment scope_labelno.
2806 2006-07-17 Richard Henderson <rth@redhat.com>
2809 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2812 2006-07-17 Roger Sayle <roger@eyesopen.com>
2813 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2815 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2816 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2817 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2818 functions such as sbrk, write, etc.. Add function prototypes.
2819 Convert function declarations from K&R to ISO C. Cast pointers
2820 to "long" and "unsigned long" instead of "int" and "unsigned int".
2821 Convert tokens following #endif into comments.
2823 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2825 * invoke.texi: Remove mention of f77; Reformat table for
2826 inline parameter options correctly; mention that -malign-double
2827 is default on x86-64 targets.
2829 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2831 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2832 (convert_affine_scev, chrec_convert_aggressive): Use
2833 avoid_arithmetics_in_type_p. Do not check for the subtypes
2836 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2839 * optabs.c (expand_doubleword_shift): Wrap the call to
2840 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2842 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2845 * optabs.c (expand_binop): Pass next_methods rather than methods
2846 to expand_doubleword_shift.
2848 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2851 * tree.h (dump_addr): Declare.
2852 * print-tree.c (dump_addr): New function.
2853 (print_node_brief, print_node): Use it.
2854 * print-rtl.c (print_rtx): Likewise.
2855 * common.opt (-fdump-noaddr): New option.
2856 * doc/invoke.texi (-fdump-noaddr): Document.
2857 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2858 (ve_info_hash): Likewise.
2860 2006-07-13 Andrew Haley <aph@redhat.com>
2862 PR tree-optimization/19505
2863 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2864 edge leaving this block, make sure that the destination of this
2865 block has only one predecessor.
2867 2006-07-17 Richard Guenther <rguenther@suse.de>
2869 PR tree-optimization/28238
2870 * tree-inline.c (copy_bb): Check if we produced valid
2871 gimple copying and substituting a stmt. If not, gimplify
2874 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2876 * optabs.c (maybe_encapsulate_block): New function extracted from...
2877 (emit_libcall_block): ...here. Invoke it on the block of insns to
2878 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2879 (emit_no_conflict_block): Likewise.
2881 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2883 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2885 2006-07-15 Roger Sayle <roger@eyesopen.com>
2887 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2888 a new NOP_EXPR case of the switch statement.
2890 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2893 * stor-layout.c (place_field): Take the bit field with
2894 an excessive size into account in the ms-bitfiled case.
2897 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2898 the previous bit field.
2900 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2903 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2905 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2907 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2908 signal frames correctly even when the signal was installed with
2911 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2913 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2914 (dbxout_function_end): Use local label LFBB. Remove hook
2916 (dbxout_source_line): Use local label LFBB.
2917 (dbxout_block): Likewise.
2918 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2919 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2920 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2921 and DBX_OUTPUT_NFUN.
2923 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2925 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2927 2006-07-13 Jan Hubicka <jh@suse.cz>
2929 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2931 * output.h (align_variable): Declare.
2932 * varasm.c (align_variable): Export.
2933 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2934 when basic block changed.
2936 2006-07-13 Nick Clifton <nickc@redhat.com>
2938 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2939 walking the LOG_LINKS chain.
2941 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2943 * doc/invoke.texi (C++ Dialect Options): Explain difference
2944 between -fvisibility-inlines-hidden and setting hidden
2945 visibility explicitly.
2947 2006-07-12 Eric Christopher <echristo@apple.com>
2949 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2950 (stmp-lipo): Depend on libgcc.a.
2952 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2954 * tree.c: Fix a comment typo.
2956 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2958 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2960 (umulhisi3_r): Likewise.
2962 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2965 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2966 x < 19, vs wchar_t support.
2968 2006-07-12 Nick Clifton <nickc@redhat.com>
2970 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2971 instead of -isa=sh4.
2973 2006-07-12 Mike Stump <mrs@apple.com>
2975 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2977 2006-07-10 Eric Christopher <echristo@apple.com>
2979 * config/t-slibgcc-darwin: Rewrite.
2981 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2984 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2987 2006-07-08 Matthias Klose <doko@debian.org>
2989 * doc/sourcebuild.texi: Fix typo.
2991 2006-07-07 Mike Stump <mrs@apple.com>
2993 * toplev.c (process_options): Don't give -ffunction-sections may
2994 affect debugging warning for Mach-O.
2996 2006-07-07 James E Wilson <wilson@specifix.com>
2998 * config/mips/mips.md (cpu): Add sb1a.
2999 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3000 addition to sb1. Adjust comments to clarify SB-1A differences from
3002 (ir_sb1a_load): New. Modify bypasses to use it.
3003 (ir_sb1a_simple_alu): Likewise.
3004 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3005 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3006 (mips_issue_rate): Add PROCESSOR_SB1A.
3007 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3008 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3009 (TARGET_SB1): Add PROCESSOR_SB1A check.
3010 (TUNE_SB1): Likewise.
3012 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3013 * config/mips/mips.c (mips_store_data_bypass_p): New.
3014 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3015 store_data_bypass_p.
3017 2006-07-08 Paul Brook <paul@codesourcery.com>
3020 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3022 2006-07-07 Richard Guenther <rguenther@suse.de>
3025 * tree.h (build_one_cst): Declare.
3026 * tree.c (build_one_cst): New function.
3027 * tree-ssa-math-opts.c (get_constant_one): Remove.
3028 (insert_reciprocals): Use build_one_cst.
3029 * fold-const.c (fold_plusminus_mult): Likewise.
3031 2006-07-07 Roger Sayle <roger@eyesopen.com>
3033 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3034 * cfgloopanal.c (dump_graph): Likewise.
3035 * dojump.c (discard_pending_stack_adjust): Likewise.
3036 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3038 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3039 * function.c (finalize_block_changes): Likewise.
3040 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3041 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3042 * rtl.c (dump_rtx_statistics): Likewise.
3043 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3045 * varray.c (dump_varray_statistics): Likewise.
3046 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3047 decode_decimal64, encode_decimal128, decode_decimal128,
3048 decimal_real_to_decimal): Likewise.
3050 2006-07-07 Richard Guenther <rguenther@suse.de>
3052 PR tree-optimization/28187
3053 * tree-vrp.c (vrp_operand_equal_p): New function.
3054 (vrp_bitmap_equal_p): Likewise.
3055 (update_value_range): Use them to compare old and new
3058 2006-07-06 Roger Sayle <roger@eyesopen.com>
3060 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3061 a default case to switch statement to silence compiler warnings.
3063 2006-07-06 Roger Sayle <roger@eyesopen.com>
3066 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3067 the configured assembler supports the x87's ffreep mnemonic.
3068 * configure: Regenerate.
3069 * config.in: Regenerate.
3071 * config/i386/i386.c (output_387_ffreep): New function.
3072 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3073 (output_387_reg_move): Likewise.
3075 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3077 Port to hosts whose 'sort' and 'tail' implementations
3078 treat operands with leading '+' as file names, as POSIX
3079 has required since 2001. However, make sure the code still
3080 works on pre-POSIX hosts.
3081 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3082 which says you should use "tail -c +N" rather than "tail +Nc".
3083 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3085 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3087 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3090 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3093 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3094 PRE_{INC,DEC} of TFmode.
3096 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3097 Alan Modra <amodra@bigpond.net.au>
3100 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3103 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3106 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3107 Remove duplicate gtu.
3109 2006-07-05 Jason Merrill <jason@redhat.com>
3113 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3114 * c-common.c (handle_packed_attribute): So don't copy it here.
3115 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3117 2006-07-05 Mike Stump <mrs@apple.com>
3119 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3121 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3124 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3126 2006-07-05 Richard Guenther <rguenther@suse.de>
3129 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3130 TARGET_SSE2 targets if using SSE math.
3131 (*absdf2_1): Likewise.
3133 2006-07-05 Richard Guenther <rguenther@suse.de>
3135 PR tree-optimization/28162
3136 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3137 make sure to convert the operands to the correct type.
3139 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3141 PR tree-optimization/28218
3143 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3144 to calculate and free the dominator information.
3146 2006-07-04 Peter O'Gorman <peter@pogma.com>
3148 * mklibgcc.in: chmod 644 before ranlib during install.
3150 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3151 J"orn Rennecke <joern.rennecke@st.com>
3153 * configure.ac (.eh_frame data check): Use diff -b.
3155 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3158 * Makefile.in (BUILD_RTL): Add build/vec.o.
3159 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3160 (build/genextract): Delete.
3161 (build/genautomata): Likewise.
3163 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3166 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3167 128-bit IBM long doubles for ABI_V4.
3169 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3171 * tree.c (range_in_array_bounds_p): New predicate.
3172 * tree.h (range_in_array_bounds_p): Declare it.
3173 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3174 return a less conservative answer.
3175 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3176 and flag 'is_group'.
3177 (IS_ELEMENT_FOR_GROUP): New macro.
3178 (FOR_EACH_ACTUAL_CHILD): Likewise.
3179 (next_child_for_group): New helper function.
3180 (can_completely_scalarize_p): Take into account groups.
3181 (sra_hash_tree): Handle RANGE_EXPR.
3182 (sra_elt_eq): Likewise.
3183 (lookup_element): Be prepared for handling groups.
3184 (is_valid_const_index): Delete.
3185 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3186 instead of is_valid_const_index.
3187 <ARRAY_RANGE_REF>: New case.
3188 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3189 is_valid_const_index.
3190 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3191 (scan_dump): Dump info for groups too.
3192 (decide_instantiation_1): Likewise.
3193 (decide_block_copy): Assert that the element is not a group.
3194 Propagate decision to groups.
3195 (generate_one_element_ref): Handle RANGE_EXPR.
3196 (mark_no_warning): Iterate over actual childs.
3197 (generate_copy_inout): Likewise.
3198 (generate_element_copy): Likewise.
3199 (generate_element_zero): Likewise.
3200 (generate_element_init_1): Likewise.
3201 (dump_sra_elt_name): Handle RANGE_EXPR.
3203 2006-07-03 Roger Sayle <roger@eyesopen.com>
3205 PR tree-optimization/26251
3206 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3207 (thread_block): When optimizing for size refuse to thread jumps
3208 that would require duplication of blocks other than redirection
3211 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3213 * configure.ac: Fix thinko in previous check-in.
3214 * configure: Regenerate.
3216 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3219 * configure.ac (for lang...): Simplify nesting of conditionals.
3220 Test subdir_requires for non-enabled languages. Move processing
3221 of lang_opt_files and lang_tree_fiels below that test.
3222 * configure: Regenerate.
3223 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3225 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3227 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3229 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3231 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3234 2006-06-29 Jason Merrill <jason@redhat.com>
3241 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3242 * c-common.c (c_determine_visibility): Handle it here.
3243 * c-decl.c (finish_decl): Call c_determine_visibility for
3245 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3247 * varasm.c (default_assemble_visibility): Likewise.
3248 * c-common.c (handle_visibility_attribute): Complain about trying
3249 to give visibility to an already defined class, or trying to change
3250 declared visibility. Always attach the attribute.
3255 * attribs.c (decl_attributes): Ignore type-in-place attributes
3256 once the type has been defined.
3258 2006-06-29 Roger Sayle <roger@eyesopen.com>
3261 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3262 to indicate the cpplib has issued an error message for us.
3264 2006-06-29 Asher Langton <langton2@llnl.gov>
3267 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3268 insert a label at the end of an function under Mach-O.
3270 2006-06-29 Eric Christopher <echristo@apple.com>
3271 Evan Cheng <evan.cheng@apple.com>
3273 * predicates.md (vector_all_ones_operand): New.
3274 (nonimmediate_or_sse_const_operand): Ditto.
3275 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3276 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3277 (standard_sse_mode_p): Ditto.
3278 (standard_sse_constant_p): Add case for -1 vector.
3279 (ix86_expand_vector_move): Try to use.
3280 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3281 Call standard_sse_constant_opcode.
3282 (*movv4sf_internal): Ditto.
3283 (*movv2df_internal): Ditto.
3285 2006-06-29 Roger Sayle <roger@eyesopen.com>
3287 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3288 of XEXP to extract the operands of a MATCH_CODE rtx.
3290 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3292 * tree.c (tree_size): Do not waste tail padding in
3293 struct tree_string and make the size be the same as
3294 build_string will generate.
3296 2006-06-28 Jason Merrill <jason@redhat.com>
3299 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3300 may_aliases already in the tag's annotations to the bitmap.
3302 2006-06-28 Roger Sayle <roger@eyesopen.com>
3304 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3306 2006-06-28 Roger Sayle <roger@eyesopen.com>
3308 * genpreds.c (generate_switch_p): New function.
3309 (add_mode_tests): Push the new mode test down inside an AND expr
3310 if this allows the switch-suitable MATCH_CODE to be near the root.
3311 (write_match_code_switch): New function to write a MATCH_CODE as
3313 (write_predicate_stmts): New function to write a predicate RTX
3314 expression as a sequence of statements.
3315 (write_one_predicate_function): Use write_predicate_stmts.
3316 (write_tm_constrs_h): Likewise.
3318 2006-06-26 Fred Fish <fnf@specifix.com>
3320 * config/mips/t-sb1: New file.
3321 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3324 2006-06-26 DJ Delorie <dj@redhat.com>
3326 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3328 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3329 Jayant Sonar <jayants@kpitcummins.com>
3330 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3332 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3333 (subsi3, subsi3_1, subsi3_2): New.
3334 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3335 * config/m32c/mov.md (SI mov peephole): New.
3336 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3337 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3339 2006-06-26 Olivier Hainque <hainque@adacore.com>
3341 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3342 a CALL_EXPR target function declaration.
3344 2006-06-26 Richard Guenther <rguenther@suse.de>
3346 * tree.c (build_string): Do not waste tail padding in
3349 2006-06-26 Richard Guenther <rguenther@suse.de>
3351 * ggc-page.c (init_ggc): Add missing element to size_lookup
3355 2006-06-23 Richard Guenther <rguenther@suse.de>
3357 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3358 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3359 alignment requests instead. Add verification code.
3360 Add struct tree_function_decl and struct tree_binfo size to
3361 extra_order_size_table. Add missing element to size_lookup
3364 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3367 * fold-const.c (const_binop): Be prepared for self returning zero.
3368 Simplify code handling complex values.
3370 2006-06-24 Olivier Hainque <hainque@adacore.com>
3372 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3373 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3376 2006-06-24 Olivier Hainque <hainque@adacore.com>
3378 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3379 ARRAY_REF, so have the callback called for the low bound expression.
3381 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3383 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3384 * c-typeck.c (c_common_type): Disallow operations on decimal float
3385 types and other float types.
3386 * convert.c (convert_to_real): Don't ignore conversions involving
3387 decimal float types.
3389 2006-06-23 Olivier Hainque <hainque@adacore.com>
3391 * tree.c (max_int_size_in_bytes): New function, inspired from
3392 code in function.c:assign_temp.
3393 * tree.h (max_int_size_in_bytes): Declare.
3394 * function.c (assign_temp): Use it.
3395 * gimplify.c (create_tmp_var): Relax the assertions on the type
3396 properties, not mandating constant size any more.
3397 (force_constant_size): New static function.
3398 (gimple_add_tmp_var): Use it, forcing variable size to a
3399 constant upper bound if it is not constant on entry.
3401 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3404 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3405 for initialization and setting of one_only flag to ...
3406 (i386_pe_encode_section_info): ...here.
3407 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3408 Recheck that the symbol has not been defined.
3410 2006-06-23 Richard Guenther <rguenther@suse.de>
3412 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3413 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3414 alignment requests instead. Add verification code.
3415 Add struct tree_function_decl and struct tree_binfo size to
3416 extra_order_size_table. Add missing element to size_lookup
3419 2006-06-22 Roger Sayle <roger@eyesopen.com>
3420 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3423 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3424 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3426 2006-06-23 Ben Elliston <bje@au.ibm.com>
3428 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3429 negate dn -- manipulate it directly.
3431 2006-06-22 Roger Sayle <roger@eyesopen.com>
3432 Steven Bosscher <stevenb.gcc@gmail.com>
3435 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3436 generated by gen_move_insn to add REG_LABEL notes if necessary.
3438 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3440 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3441 (leaf_entry): Remove use of MIN_ESA.
3443 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3445 PR rtl-optimization/28121
3446 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3449 2006-06-21 DJ Delorie <dj@redhat.com>
3451 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3453 (mulhisi3_r): Likewise.
3455 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3458 * coverage.c (coverage_counter_alloc): Leave the index type
3460 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3463 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3465 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3466 section from the "Options for Code Generation Conventions".
3468 2006-06-21 Richard Henderson <rth@redhat.com>
3472 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3474 (global_symbolic_operand): Allow weak symbols, even if local_p.
3476 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3478 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3479 (find_interesting_uses_address): Punt if above function returns true.
3481 2006-06-21 Richard Guenther <rguenther@suse.de>
3483 * configure: Regenerated.
3485 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3487 * config/mips/mips.c (function_arg): Where one part of a
3488 complex argument is in registers and the other part in the stack,
3489 return a REG not a PARALLEL.
3491 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3493 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3494 when cross-compiling. Do not substitute libstdcxx_incdir.
3495 * configure: Regenerated.
3497 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3499 * varasm.c (mergeable_string_section): Check for embedded NULs and
3500 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3501 rather than TREE_STRING_LENGTH bytes.
3503 2006-06-21 Richard Guenther <rguenther@suse.de>
3505 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3506 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3509 2006-06-21 Richrad Guenther <rguenther@suse.de>
3511 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3512 Limit iteration over the dominators.
3514 2006-06-20 Roger Sayle <roger@eyesopen.com>
3516 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3517 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3519 2006-06-20 Richard Guenther <rguenther@suse.de>
3520 Michael Matz <matz@suse.de>
3522 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3524 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3525 * et-forest.h (et_free_pools): Prototype new function.
3526 * et-forest.c (et_free_tree_force): Free parent occurrence.
3527 (et_free_pools): New function.
3528 * dominance.c (free_dominance_info): Free et-forest alloc
3531 2006-06-20 Roger Sayle <roger@eyesopen.com>
3533 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3534 integer modes, attempt to directly construct an integer constant.
3536 * fold-const.c (native_encode_vector): Determine the size of each
3537 element from the vector type instead of the first vector element.
3539 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3540 if all of its elements/components are constant.
3541 (build_constructor_from_list): Likewise.
3543 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3545 PR tree-optimization/27331
3546 * tree-data-ref.c (free_data_ref): New function.
3547 (create_data_ref): Fail if the data reference has unknown access
3549 (free_data_refs): Use free_data_ref.
3551 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3554 * tree-inline.c (setup_one_parameter): Strip useless
3555 type conversion before adding it to the IR.
3556 (declare_return_variable): Likewise.
3558 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3561 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3563 2006-06-19 Mike Stump <mrs@apple.com>
3565 * tree.c (variably_modified_type_p): VM arguments don't make the
3568 2006-06-19 Richard Guenther <rguenther@suse.de>
3570 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3571 type conversions after folding.
3573 2006-06-19 Richard Guenther <rguenther@suse.de>
3575 * ggc-page.c (extra_order_size_tab): Add entries with
3576 size of struct function and basic_block.
3577 (size_lookup): Extend to cover sizes up to 511.
3578 (ggc_alloc_stat): Adjust user.
3579 (ggc_pch_count_object): Likewise.
3580 (ggc_pch_alloc_object): Likewise.
3581 (ggc_pch_write_object): Likewise.
3583 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3585 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3586 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3589 2006-06-19 Denis Chertykov <denisc@overta.ru>
3591 * config/avr/libgcc.S : Correct my wrong previous commit.
3593 2006-06-19 Roger Sayle <roger@eyesopen.com>
3596 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3597 have stripped a SUBREG from the shift count, so we may need to
3598 convert_to_mode back to the type's mode before calling make_tree.
3599 Use new_amount instead of amount to avoid expanding a tree twice.
3601 2006-06-19 Richard Guenther <rguenther@suse.de>
3604 * fold-const.c (operand_equal_p): Check if the argument types
3605 have the same precision before stripping NOPs.
3607 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3609 Fix PR tree-optimization/27341
3610 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3612 * tree-complex.c (pass_lower_complex): Update SMT usage.
3614 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3616 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3617 Add a new alternative to the constraint strings. Add move of
3618 operand 1 to 3 to the splitter definition.
3619 ("doloop_si_long"): Second contraint alternative removed.
3621 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3623 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3624 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3626 (AVR_HAVE_MOVW) Define.
3627 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3628 (ASM_SPEC): Add avr25.
3629 (LINK_SPEC): Add avr25.
3630 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3631 (base_arch_s): Add new member 'have_movw_lpmx'.
3632 (avr_arch_types): Init 'have_movw_lpmx'.
3633 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3634 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3635 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3636 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3637 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3639 (avr_file_start): Do not output '.arh' derective.
3640 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3641 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3642 * config/avr/avr.md (mcu_enhanced): Delete.
3643 (mcu_have_movw): Define.
3644 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3645 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3646 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3647 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3648 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3649 attiny861 and at86rf401 devices.
3651 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3653 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3656 2006-06-17 Karl Berry <karl@gnu.org>
3658 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3659 doc/gccint.texi, doc/install.texi (@dircategory): Use
3660 "Software development" instead of "Programming", following
3661 the Free Software Directory.
3663 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3665 * config/i386/i386.c (legitimate_tls_address)
3666 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3667 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3668 (*tls_dynamic_gnu2_combine_64): Likewise.
3670 2006-06-16 Richard Guenther <rguenther@suse.de>
3673 * fold-const.c (negate_expr_p): Do not introduce undefined
3674 overflow in negating INTEGER_CSTs.
3675 (fold_negate_expr): Rename from negate_expr. Revert last
3676 change for folding BIT_NOT_EXPR. Change semantics to
3677 return NULL_TREE for non-simplified negations. Do not
3678 strip type conversions and unify type handling.
3679 (negate_expr): New function, wrap around fold_negate_expr
3680 but ensure building a tree always. Strip type conversions
3681 here, fold to result type.
3682 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3684 2006-06-16 Roger Sayle <roger@eyesopen.com>
3687 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3688 that (would) return their results in stack registers.
3690 2006-06-16 Michael Matz <matz@suse.de>
3691 Richard Guenther <rguenther@suse.de>
3693 * fold-const.c (fold_truthop): Only return new tree node if
3694 we canonicalized something.
3696 2006-06-16 Richard Guenther <rguenther@suse.de>
3698 * function.h (enum function_frequency): Move declaration
3699 out of struct function.
3700 (struct function): Move bool fields and the enum to the bitfield
3701 section. Reorder elements to avoid padding. Remove unused
3702 fields left over from the RTL inliner removal.
3703 * function.c (free_after_compilation): Do not zero removed fields.
3704 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3705 (ipa-type-escape.o): Likewise.
3707 2006-06-16 Richard Guenther <rguenther@suse.de>
3709 * cgraph.h (struct cgraph_local_info): Turn bool elements
3711 (struct cgraph_node): Likewise.
3712 (struct cgraph_varpool_node): Likewise.
3714 2006-06-15 Richard Guenther <rguenther@suse.de>
3716 * fold-const.c (fold_truth_not_expr): Rename from
3717 invert_truthvalue. Give it fold_* semantics to avoid
3719 (invert_truthvalue): New function. Wrapper around
3720 fold_truth_not_expr.
3721 (optimize_minmax_comparison): Avoid creating garbage.
3722 (fold_unary): Use fold_truth_not_expr for folding
3724 (fold_ternary): Replace uses of invert_truthvalue with
3725 fold_truth_not_expr where applicable.
3726 * tree.h (fold_truth_not_expr): Prototype.
3728 2006-06-16 Richard Guenther <rguenther@suse.de>
3730 PR tree-optimization/27781
3731 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3732 * ipa-pure-const.c (target.h): Include.
3733 (analyze_function): Do not analyze functions that do not
3736 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3739 * tree-dfa.c (referenced_vars_dup_list): Remove.
3740 (find_referenced_vars): Remove assert.
3741 (referenced_var_check_and_insert): Replace dup list with assert.
3742 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3743 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3745 2006-06-15 Richard Guenther <rguenther@suse.de>
3747 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3748 extra unused identifiers if not dumping.
3749 (create_variable_info_for): Likewise.
3751 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3753 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3754 (derive_constant_upper_bound): Derive more precise upper bound in
3755 common cases. Return type changed to double_int.
3756 (record_estimate): Reflect the changed return type of
3757 derive_constant_upper_bound.
3758 * double-int.c (double_int_zext, double_int_sext): Fix.
3760 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3762 * configure.ac (CFLAGS): Get them from the toplevel or from the
3763 configure invocation.
3764 * configure: Regenerate.
3765 * Makefile.in (CFLAGS): Substitute value provided by configure.
3767 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3770 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3771 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3772 rather than calling add_stmt on it.
3773 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3775 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3778 * reload1.c (reload): Remove registers returned by update_eliminables
3779 from used_spill_regs.
3781 2006-06-13 DJ Delorie <dj@redhat.com>
3783 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3785 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3787 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3788 html__strip_dir, html__mkdir_p. Enhance install-html target.
3789 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3790 * configure: Regenerate.
3792 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3794 * fold-const.c (fold_cond_expr_with_comparison): Check for
3795 Objective-C++ as language in deciding COND_EXPR transformation.
3797 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3800 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3801 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3802 * config/sh/lib1funcs.h (SL, SL1): Define.
3803 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3804 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3805 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3806 (OBJS_Os_4_200): New variable.
3807 ($(T)libgcc-Os-4-200.a): Use it.
3808 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3809 when dividing 1 and/or by 0.
3811 2006-06-13 Roger Sayle <roger@eyesopen.com>
3813 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3814 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3815 * configure: Regenerate.
3817 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3819 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3820 for real instruction.
3822 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3825 * haifa-sched.c (check_cfg): Handle special case.
3827 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3830 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3831 Add debug_info parameter. Chain the vars to the BLOCK instead
3832 of the BIND_EXPR if debug info are requested for them.
3833 (pop_gimplify_context): Adjust for above change.
3834 (gimple_add_tmp_var): Likewise.
3835 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3837 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3838 (convert_local_reference): Likewise.
3839 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3840 (finalize_nesting_tree_1): Request that debug info be emitted
3841 for debug_var_chain.
3843 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3845 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3846 for PR target/27863.
3848 2006-06-13 Richard Guenther <rguenther@suse.de>
3851 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3853 2006-06-13 Richard Guenther <rguenther@suse.de>
3855 PR tree-optimization/27830
3856 * tree-inline.c (copy_body_r): For copying the operand
3857 of an ADDR_EXPR make sure to fold &* afterwards.
3859 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3861 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3862 lvalues in the fb_none case with side-effects.
3864 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3866 * tree-flow.h: Remove the prototype for
3867 compute_phi_arg_on_exit.
3868 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3869 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3872 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3874 * builtins.c (expand_builtin_return_addr): Only use
3875 frame_pointer_rtx when count == 0 and we are expanding
3876 __builtin_return_address.
3878 2006-06-12 Fred Fish <fnf@specifix.com>
3880 * config/mips/mips.c (mips_file_start): Create special section
3881 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3883 2006-06-11 Eric Christopher <echristo@apple.com>
3886 * stor-layout.c (place_field): Remove check for
3887 remaining_in_alignment when aligning at the end of a run.
3889 2006-06-11 Eric Christopher <echristo@apple.com>
3892 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3895 2006-06-11 Roger Sayle <roger@eyesopen.com>
3898 Revert incorrect fix for PR target/27158
3899 2006-05-08 Roger Sayle <roger@eyesopen.com>
3900 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3901 of a reg_equiv_constant if the result is a legitimate constant.
3903 2006-06-11 Roger Sayle <roger@eyesopen.com>
3906 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3907 extract a CONST_VECTOR element and interpret it as an integer.
3908 (vspltis_constant): Use const_vector_elt_as_int instead of the
3909 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3910 * config/rs6000/predicates.md (easy_vector_const): Consider
3911 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3913 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3916 * stor-layout.c (update_alignment_for_field): Don't add extra
3917 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3920 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3922 * config/mips/t-rtems: Add EL/EB multilib variants.
3924 2006-06-09 Mike Stump <mrs@apple.com>
3926 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3928 2006-06-09 David Daney <ddaney@avtrex.com>
3930 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3932 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3934 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3936 2006-06-09 Richard Guenther <rguenther@suse.de>
3938 PR tree-optimization/26998
3939 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3940 of signed types, only TYPE_MIN_VALUE is special, but for both,
3941 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3942 in this case, as is -fwrapv.
3944 2006-06-08 Mike Stump <mrs@apple.com>
3947 * config/darwin.c (darwin_asm_output_anchor): Disable
3948 -fsection-anchors on darwin for now.
3949 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3950 * rs6000/rs6000.c (optimization_options): Likewise.
3952 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3955 * config/i386/i386.c (classify_argument): Skip fields with invalid
3958 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3960 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3961 (cse_insn): Likewise for the stack_pointer_rtx.
3963 2006-06-08 Roger Sayle <roger@eyesopen.com>
3965 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3966 conditions from floating point comparisons.
3968 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3971 * expmed.c (struct alg_hash_entry): Fix type of field T
3972 to match synth_mult argument.
3973 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3975 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3978 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3981 2006-06-08 Richard Guenther <rguenther@suse.de>
3984 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3985 only, if overflow is defined and not trapping.
3986 (negate_expr): Likewise.
3988 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3990 PR tree-optimization/27872
3991 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3992 flag on the new exit edge of the unrolled loop.
3994 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3996 PR rtl-optimization/26449
3997 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3999 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4002 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4003 referenced_variables with matching DECL_UID's.
4004 (find_referenced_vars): Make sure duplicate list is empty to start.
4005 (referenced_var_p): Remove.
4006 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4007 Check if var is in the list, and add if needed. Update the duplicate
4008 list if a different var is in the list with the same DECL_UID.
4009 (add_referenced_var): Call routine to check and insert.
4010 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4011 * tree-flow.h (referenced_vars_dup_list): External declaration.
4013 2006-06-07 Fred Fish <fnf@specifix.com>
4015 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4018 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4021 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4022 the imaginary and real parts of a clobbered register.
4023 Emit insn to set the imaginary part.
4025 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4027 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4028 in lieu of unwind-dw2-fde.c.
4030 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4032 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4034 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4037 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4038 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4039 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4040 V4SImode temporaries and operations instead.
4042 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4044 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4047 2006-06-06 Mike Stump <mrs@apple.com>
4049 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4050 installing during build.
4052 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4054 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4056 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4057 * config/ia64/ia64.c (params.h): New header.
4058 (ia64_optimization_options): New function to adjust parameters.
4059 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4060 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4061 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4063 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4065 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4067 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4070 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4072 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4073 Victor Kaplansky <victork@il.ibm.com>
4075 PR tree-optimization/26360
4076 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4079 2006-06-04 Roger Sayle <roger@eyesopen.com>
4080 Andrew Pinski <pinskia@physics.uc.edu>
4083 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4084 for LABEL_DECL before calling DECL_WEAK.
4087 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4088 LABEL_DECL and PARM_DECL.
4090 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4094 * c-decl.c (grokdeclarator): Disallow variably modified types at
4095 file scope. Avoid marking shared array type of constant size as
4098 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4101 * c-common.c (fold_offsetof_1): Handle static members.
4103 2006-06-04 Eric Christopher <echristo@apple.com>
4105 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4106 (debug_rli): Output value for remaining_in_alignment.
4107 (update_alignment_for_field): Unconditionalize
4108 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4109 extra alignment code.
4110 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4111 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4112 * tree.h (record_layout_info_s): Remove prev_packed.
4113 * doc/extend.texi (ms_struct): Add documentation of format.
4115 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4117 * tree.h: Declare folding_initializer.
4118 * builtins.c (fold_builtin_constant_p): Give definite answer
4119 if folding inside an initializer.
4120 * fold-const.c: Define folding_initializer.
4121 (START_FOLD_INIT): Save and then set folding_initializer.
4122 (END_FOLD_INIT): Restore folding_initializer.
4124 2006-06-04 Richard Guenther <rguenther@suse.de>
4126 PR tree-optimization/27039
4127 * fold-const.c (fold_comparison): Handle pointer comparison
4128 again for all comparison codes. Compare offsets in signed
4130 (fold_binary): Move code from here.
4132 2006-06-03 Roger Sayle <roger@eyesopen.com>
4135 * config/i386/i386.c (construct_container): Split static issued_error
4136 flag into issued_sse_arg_error, issued_sse_ret_error and
4137 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4138 requires the use of x87 registers and the user explicitly
4139 specified the -mno-80387 command line option.
4141 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4143 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4144 HAVE_DECL_SIGALTSTACK.
4146 (segv_handler): Use MC_FLD.
4147 * configure.ac: Check for a sigaltstack declaration.
4148 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4149 * configure: Regenerate.
4150 * config.in: Regenerate.
4152 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4155 * Makefile.in (stmp-fixinc): Fix typo.
4157 2006-06-02 Roger Sayle <roger@eyesopen.com>
4159 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4160 are type correct. Clean-up.
4161 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4162 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4164 2006-06-01 DJ Delorie <dj@redhat.com>
4166 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4167 shift, as we've disabled the "switch" insn that needs it.
4169 2006-06-01 Per Bothner <bothner@bothner.com>
4171 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4172 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4173 * c-ppoutput.c (cb_define): Don't increment line 0.
4175 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4177 * doc/invoke.texi: Add cpu_type power6.
4178 * config.gcc: Add cpu_type power6.
4179 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4180 to power5+ with Altivec.
4181 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4182 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4184 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4186 * config/avr/avr.h (SET_ASM_OP): Define.
4188 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4190 * config/bfin/bfin.c: Fix comment typos.
4192 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4195 * doc/install.texi: Document --enable-bootstrap and
4196 --disable-bootstrap.
4198 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4200 * doc/install.texi: Document that InfoZIP can replace jar.
4202 2006-05-31 Roger Sayle <roger@eyesopen.com>
4204 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4205 isn't available, directly generate the simpler x87 patterns without
4206 the (use (const_int 0)).
4207 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4208 implementation isn't available.
4209 (*negdf2_1): Likewise.
4210 (*negxf2_1): XF mode negation is always done using the x87.
4211 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4213 2006-05-31 Roger Sayle <roger@eyesopen.com>
4215 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4216 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4218 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4220 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4222 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4223 * config/bfin/bfin.c (basic-block.h): Include.
4224 (struct machine_function): New.
4225 (bfin_init_machine_status): New.
4226 (override_options): Initialize init_machine_status.
4227 (bfin_hardware_loop): New.
4228 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4229 (DEF_VEC_P (loop_info)): New.
4230 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4231 (struct loop_info): New.
4232 (loop_info): New typedef.
4233 (struct loop_work): New.
4234 (loop_work): New typedef.
4235 (DEF_VEC_O (loop_work)): New.
4236 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4237 (bfin_dump_loops): New.
4238 (bfin_bb_in_loop): New.
4239 (bfin_scan_loop): New.
4240 (bfin_optimize_loop): New.
4241 (bfin_reorg_loops): New.
4242 (bfin_reorg): Use bfin_reorg_loops.
4243 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4245 (I_REGNO_P): Simplify.
4246 (DP_REGNO_P, DPREG_P): New macros.
4247 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4248 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4249 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4250 Add LT_REGS, LC_REGS, LB_REGS.
4251 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4253 (REGNO_REG_CLASS): Deal with loop registers.
4254 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4256 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4257 New constants for loop registers.
4258 (UNSPEC_LSETUP_END): New.
4259 (seq_insns): New define_attr. Set it for appropriate insns.
4260 (movsi_insn): Add alternatives for move from/to
4261 loop count registers.
4262 (doloop_end): New define_expand.
4263 (loop_end): New define_insn.
4264 (define_split for bad doloop_end): New.
4265 (lsetup_with_autoinit): New define_insn.
4266 (lsetup_without_autoinit): New define_insn.
4267 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4268 * config/bfin/predicates.md (lc_register_operand): New.
4269 (lt_register_operand): New.
4270 (lb_register_operand): New.
4271 (nondp_register_operand): New.
4272 (nondp_reg_or_memory_operand): New.
4273 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4275 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4277 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4278 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4280 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4282 * Makefile.in (CATALOGS): Add po/ prefix.
4283 * configure: Regenerated.
4285 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4288 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4289 a shift operand before calling shift_op. Avoid redundant call of
4292 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4293 DJ Delorie <dj@redhat.com>
4295 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4296 we're inserting is a singlt-bit constant.
4298 2006-05-30 Roger Sayle <roger@eyesopen.com>
4300 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4301 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4303 2006-05-30 Roger Sayle <roger@eyesopen.com>
4305 PR tree-optimization/23452
4306 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4307 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4308 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4309 complex values and with -ffast-math for FP complex values.
4311 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4313 * c-common.h: Remove the prototype for yyparse.
4314 * rtl.h: Remove the prototype for init_loop.
4316 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4318 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4321 2006-05-30 Roger Sayle <roger@eyesopen.com>
4323 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4325 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4326 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4328 2006-05-30 Dirk Mueller <dmueller@suse.de>
4331 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4332 for CONSTANT_CLASS_P expresisons.
4334 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4337 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4339 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4341 PR tree-optimization/27779
4342 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4343 initial_condition instead of CHREC_LEFT.
4345 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4347 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4348 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4349 Make prototypes ISO C90.
4351 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4352 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4354 * see.c (see_analyze_one_def): Correct check.
4355 (see_get_extension_data): Check if extension is parallel.
4356 (see_get_extension_reg): Likewise.
4358 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4361 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4362 into register for (code == GTU).
4364 2006-05-29 Roger Sayle <roger@eyesopen.com>
4366 PR tree-optimization/24964
4367 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4368 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4369 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4370 abs(x)*abs(x) as x*x for scalar floating point modes.
4372 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4375 * lambda-code.c (perfect_nestify): Don't copy statements
4376 in the inner loop: move them to the inner loop header.
4378 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4381 * c-tree.texi: Document OpenMP directives and clauses.
4383 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4385 * varasm.c (globalize_decl): Fix indentation.
4387 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4390 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4391 pass_fre, pass_store_ccp, pass_copy_prop,
4392 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4393 pass_return_slot, pass_object_size, pass_lim,
4394 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4395 pass_loop_prefetch and pass_stdarg.
4397 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4399 * config/bfin/bfin.opt (mfdpic): New option.
4400 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4401 (EXTRA_MULTILIB_PARTS): Likewise.
4402 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4403 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4405 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4406 (CRT_CALL_STATIC_FUNCTION): New.
4407 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4409 (CRT_CALL_STATIC_FUNCTION): New.
4410 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4412 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4413 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4414 (initialize_trampoline): Changed to handle FD-PIC code generation.
4415 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4416 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4417 (override_options): Disallow -mid-shared-library -mfdpic combination.
4418 Can't do unaligned ops if FD-PIC.
4419 Turn off flag_pic if trying to generate non-id-shared-library
4420 non-fdpic code, since it's not supported.
4421 (bfin_assemble_integer): New function.
4422 (TARGET_ASM_INTEGER): Define.
4423 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4425 * config/bfin/crtn.s: Restore them.
4426 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4428 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4429 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4430 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4431 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4432 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4434 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4435 FDPIC_REGS and FDPIC_FPTR_REGS.
4436 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4437 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4438 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4439 (load_funcdescsi): New pattern.
4440 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4441 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4442 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4444 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4446 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4449 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4451 * tree-flow.h: Remove the prototype for add_type_alias.
4452 * tree-ssa-alias.c (add_type_alias): Remove.
4454 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4456 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4457 config/fr30/fr30.md, config/i386/i386-interix.h,
4458 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4459 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4460 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4461 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4462 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4463 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4464 Follow spelling conventions.
4465 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4466 Follow spelling conventions.
4468 2006-05-27 Richard Guenther <rguenther@suse.de>
4471 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4472 to produce a constant of value 1 of generic type.
4474 2006-05-27 Dirk Mueller <dmueller@suse.de>
4476 * cgraphunit.c (decide_is_function_needed): Fix wrong
4479 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4481 PR rtl-optimization/27661
4482 * reload.c (find_reloads): When reloading a VOIDmode constant
4483 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4484 use Pmode as mode of the reload register.
4486 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4488 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4489 is enabled at -O and above.
4491 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4494 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4497 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4500 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4501 for anonymous variables explicitly declared by front ends.
4503 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4505 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4506 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4507 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4508 ref-all pointers, run a finalization pass for them.
4509 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4510 (finalize_ref_all_pointers): New function.
4511 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4512 regular pointer type to a ref-all pointer type.
4513 (get_tmt_for): Return the special memory tag for ref-all pointers.
4515 2006-05-25 Richard Guenther <rguenther@suse.de>
4518 * fold-const.c (fold_binary): Do not look at the stripped
4519 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4521 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4523 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4524 for LT and GT if the computed range is effectively empty.
4526 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4529 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4530 mips_quad_format formats instead of ieee_single_format,
4531 ieee_double_format and ieee_quad_format formats, respectively.
4533 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4535 PR tree-optimization/27639
4536 PR tree-optimization/26719
4537 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4538 call to scev_probably_wraps_p.
4539 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4540 used_in_pointer_arithmetic_p, convert_step): Removed.
4541 (nowrap_type_p): New function.
4542 (scev_probably_wraps_p): Rewritten.
4543 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4544 chrec_convert if chrec_convert_aggressive might have been used.
4545 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4546 scev_direction): New functions.
4547 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4548 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4549 instead of convert_step.
4550 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4551 (convert_step): Declaration removed.
4552 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4554 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4556 * df-core.c: Added to header comments.
4557 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4558 df_ur_bb_info, df_urec_bb_info): Added comments.
4559 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4560 urec, ri problems): Fixed header comments.
4561 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4562 code from df_rd_transfer_function.
4564 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4566 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4567 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4568 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4570 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4572 * expr.c (undefined_operand_subword_p): New.
4573 (emit_move_multi_word): Do not generate move from undefined bits
4574 of a paradoxical subreg.
4576 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4578 PR rtl-optimization/27736
4579 * combine.c (replaced_rhs_value): New variable.
4580 (combine_instructions): Set it.
4581 (distribute_notes): When distributing a note in replaced_rhs_insn,
4582 check whether the value was used in replaced_rhs_value.
4584 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4587 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4588 add_referenced_var instead of add_referenced_tmp_var.
4589 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4590 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4592 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4593 tree_optimize_tail_calls_1): Use add_referenced_var.
4594 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4595 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4596 Use add_referenced_var.
4597 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4598 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4599 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4600 Use add_referenced_var.
4601 * tree-dfa.c (struct walk_state): Remove.
4602 (find_referenced_vars): Remove walk state and vars_found hash table.
4603 (make_rename_temp): Use add_referenced_var.
4604 (find_vars_r): Pass less parameters to add_referenced_var.
4605 (referenced_var_p): New. Is var in referenced_var hash table.
4606 (referenced_var_insert): Assert var isn't already in hash table.
4607 (add_referenced_var): Don't need walk_state parameter. Add var if it
4608 isn't already in the hash table.
4609 (add_referenced_tmp_var): Remove.
4610 (find_new_referenced_vars_1): Use add_referenced_var.
4611 * tree-ssa-pre.c (create_expression_by_pieces,
4612 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4613 Use add_referenced_var.
4614 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4615 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4616 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4618 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4619 vect_create_data_ref_ptr, vect_create_destination_var,
4620 vect_init_vector, vect_build_loop_niters,
4621 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4622 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4623 Use add_referenced_var.
4624 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4625 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4626 (add_referenced_var): Add prototype.
4627 * tree-ssa-structalias.c (get_constraint_for,
4628 intra_create_variable_infos): Use add_referenced_var.
4630 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4632 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4633 big-endian paradoxical subregs.
4634 * var-tracking.c (struct micro_operation_def): Document that,
4635 for modify micro operations, insn is the subsequent instruction.
4636 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4637 (var_reg_set, var_mem_set): ... new functions.
4638 (add_stores): Record subsequent insn.
4639 (compute_bb_dataflow): Use new functions for MO_USE.
4640 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4641 notes after the insn, and modify notes before the insn known
4642 to be the subsequent one.
4643 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4645 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4648 * config/i386/i386.c (ix86_expand_builtin): Use
4649 gen_sse3_monitor64 for TARGET_64BIT.
4651 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4653 PR rtl-optimization/26375
4654 PR rtl-optimization/26855
4655 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4657 (df_ru_bb_local_compute): Reversed statements and removed bogus
4658 comment explaining why they should be in wrong order.
4659 (df_ru_dump, df_rd_dump): Enhanced debug info.
4660 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4662 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4663 reaching uses and fixed space problem.
4665 2006-05-23 Jan Hubicka <jh@suse.cz>
4667 * cgraphunit.c (decide_is_function_needed): Also nested functions
4668 and functions declared inline can be optimized out at -O0.
4670 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4672 * doc/install.texi (Configuration): Remove reference to CrossGCC
4676 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4679 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4680 ix86_compare_emitted is non-NULL.
4682 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4685 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4688 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4690 PR rtl-optimization/25514
4691 * combine.c (replaced_rhs_insn): New variable.
4692 (combine_instructions): Set replaced_rhs_insn when trying to replace
4693 a SET_SRC with a REG_EQUAL note.
4694 (distribute_notes): Use replaced_rhs_insn when determining the live
4695 range of a REG_DEAD register.
4697 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4698 Anatoly Sokolov <aesok@post.ru>
4700 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4701 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4702 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4703 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4704 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4705 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4706 at90usb647, at90usb1286 and at90usb1287 devices.
4707 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4708 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4710 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4712 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4714 2006-05-22 Richard Guenther <rguenther@suse.de>
4717 2006-01-31 Richard Guenther <rguenther@suse.de>
4718 Paolo Bonzini <bonzini@gnu.org>
4720 * doc/install.texi (--disable-libgcc-math): Document.
4722 2006-05-22 Richard Guenther <rguenther@suse.de>
4725 2006-01-31 Richard Guenther <rguenther@suse.de>
4727 * doc/invoke.texi (-msselibm): Document.
4728 * target.h (expand_library_builtin): New target hook.
4729 * builtins.c (expand_builtin): Use expand_library_builtin.
4730 (default_expand_library_builtin): New function.
4731 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4732 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4733 (link_gcc_math_spec): Declare.
4734 (static_specs): Add link_gcc_math_spec.
4735 * expr.h (default_expand_library_builtin): Declare.
4736 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4737 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4738 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4739 * config/i386/i386.opt (msselibm): New target option.
4740 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4741 (ix86_init_sse_abi_builtins): New function.
4742 (ix86_expand_library_builtin): Likewise.
4743 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4744 (override_options): Handle error conditions wrt -msselibm.
4745 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4746 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4747 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4750 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4753 * c-common.c (self_promoting_args_p): Skip erroneous args.
4756 * c-decl.c (finish_struct): Skip erroneous fields.
4758 2006-05-22 Nick Clifton <nickc@redhat.com>
4760 * config/cris/cris.opt (march): Remove VarExists attribute.
4761 (max-stackframe=): Likewise.
4763 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4765 * doc/rtl.texi: Fix a typo.
4766 * see.c: Fix comment typos.
4768 * tree-ssa-structalias.h (alias_info): Remove num_references.
4770 2006-05-21 Mike Stump <mrs@apple.com>
4772 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4774 (darwin_pragma_options): Use BAD instead.
4775 (darwin_pragma_unused): Likewise.
4776 (darwin_pragma_ms_struct): Likewise.
4778 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4780 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4782 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4784 PR rtl-optimization/27671
4785 * simplify-rtx.c (simplify_relational_operation_1): Fix
4786 simplifications of (eq/ne (xor x y) y) and
4787 (eq/ne (xor x y) x).
4789 PR tree-optimization/26622.
4790 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4793 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4795 * tree-cfg.c: Prune whitespace.
4796 (debug_tree_cfg): Point to correct header containing the
4799 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4802 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4804 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4807 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4808 or sorry count is non zero.
4810 2006-05-20 Andreas Schwab <schwab@suse.de>
4812 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4814 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4815 Kenneth Zadeck <zadeck@naturalbridge.com>
4817 PR rtl-optimization/26855
4819 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4821 (df_scan_alloc): Added code to properly handle multiword hard
4822 registers and add all_blocks parameter.
4823 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4824 code to properly handle multiword hard registers.
4825 (df_rescan_blocks): Added code to remove deleted blocks from
4827 (df_ref_create_structure, df_ref_record): Added code to properly
4829 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4830 and set DF_REF_PARTIAL.
4831 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4832 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4833 (df_scan_add_problem): Added flags parameter.
4834 (df_ref_create_structure): Changed switching structure.
4835 (df_bb_refs_record): Fixed case where duplicate artificial refs
4836 were created. Changed location of flags.
4837 (df_record_entry_block_defs): Added code to make stack pointer
4838 live in entry block. Refined cases where frame pointer is needed.
4839 Changed location of flags.
4840 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4841 (df_set_state): Removed function.
4842 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4843 df_insn_create_insn_record, df_insn_refs_delete,
4844 df_ref_create_structure): Formatting changes.
4845 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4846 df_delete_basic_block): New function.
4847 (df_init): Changed location of flags.
4848 (df_add_problem): Added flags parameter and the way flags are
4850 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4851 debug_df_chain): Improved debugging output.
4852 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4853 (df_refs_chain_dump): Removed df parameter.
4854 (df_iterative_dataflow): Added consistency check.
4855 (df_prune_to_subcfg): Made public.
4856 (df_analyze_problem): Added blocks_to_init parameter and made
4858 (df_ref_record, df_bb_refs_record, df_mark_reg,
4859 df_record_exit_block_uses): Whitespace changes.
4860 (df_dump): Whitespace changes.
4861 * df.h: Some reordering to remove forward references.
4862 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4863 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4864 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4865 (dataflow.flags): New field.
4866 (df.flag): Deleted field.
4867 (df_alloc_function): Added additional bitmap parameter.
4868 (df_dependent_problem_function): New type.
4869 (df_problem.changeable_flags): New field.
4870 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4871 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4872 (df_mw_hardreg): New struct.
4873 (DF_INSN_UID_MWS): New macro.
4874 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4876 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4877 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4878 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4879 (df_set_state): Removed function.
4880 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4881 * df-problems.c (df_chain_dump): Removed df parameter.
4882 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4883 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4885 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4886 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4887 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4888 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4889 DF_REF_MUST_CLOBBER cases.
4890 (df_ru_bb_local_compute_process_def,
4891 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4892 df_lr_bb_local_compute, df_ur_bb_local_compute,
4893 df_chain_create_bb): Made subreg aware.
4894 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4895 df_lr_bb_local_compute, df_lr_bb_local_compute,
4896 df_chain_create_bb): Cleanup to use proper macros.
4897 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4898 code to fixup bitvectors.
4899 (df_ri_alloc): Cleared lifetime.
4900 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4901 df_create_unused_note): New function.
4902 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4903 REG_DEAD and REG_UNUSED notes as well as register information.
4904 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4905 df_chains_dump): Fixed crash if problem was never run.
4906 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4907 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4908 df_ri_add_problem): Processes flags in uniform manner.
4909 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4910 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4911 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4912 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4913 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4914 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4915 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4916 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4917 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4918 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4919 * see.c (see_initialize_data): Ditto.
4920 * final.c (rest_of_clean_state) Added regstack_completed.
4921 * rtl.h (regstack_completed): Ditto.
4922 * reg-stack.c (regstack_completed): Ditto.
4924 2006-05-19 Mike Stump <mrs@apple.com>
4926 * c-tree.h (default_conversion): Remove.
4927 * c-common.h (default_conversion): Add.
4929 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4931 * tree-vrp.c (valid_value_p): New function.
4932 (adjust_range_with_scev): Fail if the value of bound is not
4935 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4937 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4938 (mips_fallback_frame_state): Use syscall numbers to determine
4939 the appropriate li instruction for the current ABI. Only use
4940 __NR_sigreturn for o32.
4942 2006-05-19 Nicolas Setton <setton@adacore.com>
4944 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4945 * langhooks.c (lhd_dwarf_name): New function.
4946 * langhooks-def.h (lhd_dwarf_name): Declare.
4947 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4948 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4949 * ada/misc.c (gnat_dwarf_name): New function.
4950 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4952 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4954 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4956 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4957 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4958 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4959 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4960 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4961 determine the size of Wtype, etc.
4962 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4963 (swfloatfuncs): New variable.
4964 (dwfloatfuncs): Likewise.
4965 (lib2funcs): Remove floating-point conversion functions from
4966 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4967 the set of conversion routines needed. Allow entries to specify
4968 an object name, filename and word size. Update users accordingly.
4969 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4970 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4974 2006-02-08 Roger Sayle <roger@eyesopen.com>
4977 * config/fixtfdi.c: New libgcc source file.
4978 * config/fixunstfdi.c: New source file.
4979 * config/floatditf.c: New source file.
4980 * config/floatunditf.c: New souce file.
4981 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4982 files above instead of config/mips/_tilib.c.
4983 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4985 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4987 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4988 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4990 2006-05-18 Mike Stump <mrs@apple.com>
4992 Fix up vla, vm and [*] sematics.
4998 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4999 (c_vla_unspec_p): Add.
5000 (c_vla_type_p): Add.
5001 * c-decl.c (struct c_scope): Add had_vla_unspec.
5002 (build_array_declarator): Add support for [*].
5003 (grokdeclarator): Likewise.
5004 (grokparms): Likewise.
5005 (get_parm_info): Likewise.
5006 * c-objc-common.c (c_vla_unspec_p): Likewise.
5007 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5008 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5009 typeof when argument is a variably modified type not inside sizeof or alignof.
5010 (c_parser_direct_declarator_inner): Propagate errors.
5011 (c_parser_sizeof_expression): Add support for [*].
5012 (c_parser_parms_declarator): Initialize had_vla_unspec.
5013 (c_parser_parms_list_declarator): Likewise.
5014 * c-typeck.c (c_vla_type_p): Add.
5015 (composite_type): Add support for vla compositing.
5016 (comptypes_internal): Add support for vla compatibility.
5017 (c_expr_sizeof_expr): Evaluate vla arguments.
5018 * tree.c (variably_modified_type_p): Update comment for [*].
5020 2006-05-18 Michael Matz <matz@suse.de>
5023 * config.host: Make assignments to host_xmake_file cumulative.
5024 * config.host (*-darwin*): Test $host, not $target.
5026 2006-05-12 Stuart Hastings <stuart@apple.com>
5028 * config/i386/i386.opt (-mstackrealign): New flag.
5029 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5030 (ix86_handle_cconv_attribute): Emit error when
5031 force_align_arg_pointer attribute collides with too many regparms.
5032 (ix86_function_regparm): Limit regparms when used with
5033 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5034 Support stack-realigning prologue in non-main functions. Emit
5035 warning for nested functions under -mstackrealign, emit error for
5036 nested functions with force_align_arg_pointer attribute.
5037 * doc/extend.texi (force_align_arg_pointer): Document it.
5038 * doc/invoke.texi (-mstackrealign): Document it.
5040 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5042 PR rtl-optimization/27477
5043 * combine.c (try_combine): Don't split a parallel consisting
5044 of two sets into two individual sets if both sets reference
5047 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5049 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5050 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5052 * doc/options.texi (VarExists): Updated.
5054 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5056 * unwind-dw2.c: Add declarations for uw_update_context and
5058 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5059 detected, advance frame state and context once to skip over stub.
5061 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5065 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5066 Call rewrite_into_loop_closed_ssa only when something changed.
5067 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5068 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5069 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5070 Test for perfect_nest_p here. Fix formating.
5071 (replace_uses_equiv_to_x_with_y): Fix formating.
5072 (stmt_uses_op): Removed.
5073 (can_convert_to_perfect_nest): Removed loopivs parameter.
5074 Complete the test by checking the scalar dependences.
5075 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5078 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5081 From Dan Kegel <dank@kegel.com>:
5082 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5084 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5086 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5087 if the element type is variably modified without recursing.
5089 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5092 * tree-loop-linear.c (try_interchange_loops): Test for
5093 no data dependences.
5095 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5097 PR tree-optimization/27548
5098 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5099 range of ssa names that appear on abnormal edges.
5100 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5101 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5103 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5106 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5108 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5111 * tree.h (OMP_PARALLEL_COMBINED): Define.
5112 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5113 (new_omp_context): Add is_combined_parallel argument.
5114 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5115 new_omp_context caller.
5116 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5117 Adjust gimplify_scan_omp_clauses callers.
5118 (omp_is_private): Issue errors if iteration variable is firstprivate
5119 or reduction in the current context.
5120 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5121 on combined parallel workshare constructs.
5123 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5125 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5126 (gcc-options.o): New rule.
5128 * optc-gen.awk: Protect variables for gcc-options.o with
5129 #ifdef GCC_DRIVER/#endif.
5131 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5133 Fix PR tree-optimization/27373
5134 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5135 (forward_propagate_addr_expr): Update call.
5137 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5139 * doc/options.texi: Move the Negative option.
5141 2006-05-16 Richard Guenther <rguenther@suse.de>
5143 PR tree-optimization/22303
5144 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5146 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5147 ccp_fold did not simplify the statement.
5149 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5152 * Makefile.in (GCC_OBJS): New.
5153 (OBJS-common): Add opts-common.o.
5154 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5155 (cpp$(exeext)): Likewise.
5156 (gcc.o): Also depend on opts.h.
5157 (opts-common.o): New.
5159 * common.opt (gcoff): Add Negative(gdwarf-2).
5160 (gdwarf-2): Add Negative(gstabs).
5161 (gstabs): Add Negative(gstabs+).
5162 (gstabs+): Add Negative(gvms).
5163 (gvms): Add Negative(gxcoff).
5164 (gxcoff): Add Negative(gxcoff+).
5165 (gxcoff+): Add Negative(gcoff).
5166 * config/i386/i386.opt (m32): Add Negative(m64).
5167 (m64): Add Negative(m32).
5169 * doc/options.texi: Document the Negative option.
5171 * gcc.c: Include "opts.h".
5172 (main): Call prune_options after expandargv.
5174 * optc-gen.awk: Generate common declarations for all flag
5175 variables in options.c. Output the neg_index field.
5177 * opts.c (find_opt): Moved to ...
5178 * opts-common.c: Here. New file.
5180 * opts.h (cl_option): Add a neg_index field.
5182 (prune_options): Likewise.
5184 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5187 * omp-low.c (expand_omp_parallel): Don't assert
5188 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5189 instead search for it.
5192 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5195 2006-05-16 Andreas Schwab <schwab@suse.de>
5197 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5200 2006-05-15 Roger Sayle <roger@eyesopen.com>
5203 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5204 integer constants other than zero are only legitimate on TARGET_64BIT.
5205 <CONST_VECTOR> Only zero vectors are legitimate.
5206 (ix86_cannot_force_const_mem): Integral and vector constants can
5207 always be put in the constant pool.
5209 2006-05-16 DJ Delorie <dj@redhat.com>
5211 * crtstuff.c (__dso_handle): Set section from
5212 TARGET_LBIGCC_SDATA_SECTION if defined.
5213 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5214 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5216 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5219 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5222 2006-05-16 Ben Elliston <bje@au.ibm.com>
5224 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5226 2006-05-15 Per Bothner <per@bothner.com>
5228 * tree.c: (last_annotated_node): Use source_locus typedef.
5229 This permits bootstrapping with --enable-mapped-location.
5231 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5233 PR tree-optimization/26830
5234 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5235 (info_for_ssa_name, current_info_for_ssa_name_age,
5236 blocks_to_update): New variables.
5237 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5238 (clear_ssa_name_info, initialize_flags_in_bb,
5239 mark_block_for_update): New functions.
5240 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5241 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5242 prepare_def_site_for): Use mark_block_for_update.
5243 (mark_def_interesting): Assert that the processed block is marked in
5244 blocks_to_update. Do not take blocks argument.
5245 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5247 (rewrite_update_init_block, rewrite_update_stmt): Only process
5248 blocks with statements to rewrite.
5249 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5250 (update_ssa): Initialize and free blocks_to_update. Do not
5251 clear flags on statements. Do not use blocks bitmap.
5252 * tree.h (SSA_NAME_AUX): Removed.
5253 (struct tree_ssa_name): Removed aux field.
5254 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5256 2006-05-15 Richard Guenther <rguenther@suse.de>
5258 PR tree-optimization/27603
5259 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5260 Do computations in original type.
5262 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5264 * see.c: Code style changes such as redundant paranthesis,
5265 redundant intialization of local variables etc.
5266 (see_main): Declared now as static.
5267 * doc/invoke.texi: Update that -fsee is not enabled by
5270 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5272 * omp-low.c (check_omp_nesting_restrictions): New function.
5273 (scan_omp_1): Call it.
5276 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5277 construct, return *VAR.
5279 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5281 PR rtl-optimization/27406
5282 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5285 2006-05-14 Roger Sayle <roger@eyesopen.com>
5287 PR rtl-optimization/27538
5288 * combine.c (expand_compound_operation): Call gen_lowpart
5289 before calling simplify_shift_const.
5291 2006-05-14 Roger Sayle <roger@eyesopen.com>
5293 PR rtl-optimization/22563
5294 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5295 a fixed width bitfield, always force the intermediates into psuedos.
5297 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5300 * mkconfig.sh: Use operator = instead of == for test.
5302 2006-05-13 Nick Clifton <nickc@redhat.com>
5304 * dwarf2out.c (dbx_reg_number): Check return value from
5305 LEAF_REG_REMAP and only use it if it is valid.
5306 (multiple_reg_loc_descriptor): Likewise.
5308 2006-05-13 Richard Guenther <rguenther@suse.de>
5310 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5313 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5315 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5316 information attached to non-INSNs such as NOTEs.
5317 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5319 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5321 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5323 * config/s390/s390.md: Adjust comment describing On constraint.
5325 2006-05-11 Jan Hubicka <jh@suse.cz>
5327 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5328 to be output at -O0.
5330 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5333 * fold-const.c (size_binop): Move sanity check for arguments to
5334 the beginning of the function.
5337 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5340 2006-05-11 Richard Guenther <rguenther@suse.de>
5343 * fold-const.c (fold_unary): Handle intermediate conversion
5344 to a pointer type like intermediate conversion to an integer
5345 type in folding of (T1)(T2)var to var.
5346 Match the code to the comment in the final conversion for
5347 (T1)(T2)var to (T1)var regarding to type precision. Rather
5348 than disallow T1 being of pointer type, assert that both T1
5349 and var are of pointer type or not. Make sure not to fall
5350 over the frontends lazyness wrt array to pointer decay though.
5352 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5354 * arm.c (arm_struct_value_rtx): Delete.
5355 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5356 (arm_init_cumulative_args): Always initialize nregs to zero.
5358 2006-05-10 Richard Guenther <rguenther@suse.de>
5360 PR tree-optimization/27532
5361 * tree-object-size.c (plus_expr_object_size): Fix typo.
5363 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5366 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5367 ashrdi_const, ashrdi3): Use a scratch register.
5369 2006-05-10 Richard Guenther <rguenther@suse.de>
5371 PR tree-optimization/27302
5372 * fold-const.c (operand_equal_p): For two comparisons,
5373 try comparison of one comparison code swapped if that yields
5376 2006-05-10 Ben Elliston <bje@au.ibm.com>
5378 * tree-pretty-print.c (pretty_print_string): No need to handle
5379 '\0' as a special character.
5381 * tree.h: Include "hashtab.h".
5382 (iterative_hash_expr): Use hashval_t in its prototype.
5383 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5385 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5388 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5389 (hppa*64*-*-hpux11*): Ditto.
5390 (hppa[12]*-*-hpux11*): Ditto.
5392 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5395 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5397 2006-05-09 Michael Matz <matz@suse.de>
5399 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5400 host_extra_gcc_objs and host_xmake_file.
5401 (<*-*-linux*>): Don't overwrite host_xmake_file.
5402 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5403 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5404 (host_detect_local_cpu): Declare.
5405 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5406 * config/i386/i386.c (override_options): Handle -mtune=native
5408 * config/i386/x-i386: New file.
5409 * config/i386/driver-i386.c: New file.
5410 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5413 2006-05-09 Dirk Mueller <dmueller@suse.de>
5414 Richard Guenther <rguenther@suse.de>
5417 * fold-const.c (fold_read_from_constant_string): Relax check
5418 for matching types to matching modes.
5420 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5422 PR rtl-optimization/27335
5423 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5426 2006-05-08 Chao-ying Fu <fu@mips.com>
5427 Richard Sandiford <richard@codesourcery.com>
5429 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5430 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5431 * config/mips/mips.md (UNSPEC_SCC): New constant.
5432 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5433 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5434 (mips_emit_compare): Use it.
5435 (mips_expand_vcondv2sf): New function.
5437 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5439 Fix PR tree-optimization/27093
5440 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5441 renaming when they become not-used_alone.
5443 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5445 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5446 relocation and relocation stubs.
5448 2006-05-08 Eric Christopher <echristo@apple.com>
5450 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5453 2006-05-08 Jan Hubicka <jh@suse.cz>
5456 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5457 unused static functions are needed.
5459 2006-05-08 Roger Sayle <roger@eyesopen.com>
5462 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5463 of a reg_equiv_constant if the result is a legitimate constant.
5465 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5468 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5469 standard 80387 constants, raise the cost to prevent
5470 compress_float_constant() to generate load from memory.
5472 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5474 * config/arm/constraints.md (c): Fix a typo.
5476 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5479 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5482 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5484 (_mm_mwait): Likewise.
5486 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5488 (sse3_monitor): Make it 32bit only.
5489 (sse3_monitor64): New. 64bit monitor.
5491 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5494 * config/i386/i386.c (classify_argument): Skip fields with invalid
5497 2006-05-07 Richard Guenther <rguenther@suse.de>
5499 PR tree-optimization/27409
5500 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5501 Do not try to find zero-sized subvars.
5503 2006-05-07 Richard Guenther <rguenther@suse.de>
5505 PR tree-optimization/27136
5506 * tree-ssa-loop-niter.c (get_val_for): Correct function
5507 comment, assert requirements.
5508 (loop_niter_by_eval): Stop processing if the iterated
5509 value did not simplify.
5511 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5513 * opts.c (flag_see): remove its setting at -O3.
5515 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5517 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5518 * arm/constraints.md: New file.
5519 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5520 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5521 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5522 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5523 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5524 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5525 * arm.md: Include constraints.md.
5526 (thumb_movsi_insn): Use satisfies_constraint_J.
5527 (movhi, movqi): Use satisfies_constraint_I.
5529 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5531 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5532 for atmeg a645 device.
5534 2006-05-06 Richard Guenther <rguenther@suse.de>
5536 PR tree-optimization/27151
5537 * tree-vect-transform.c (vectorizable_condition): Punt on
5538 values that have a different type than the condition.
5540 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5543 * c-parser.c (c_parser_cast_expression): Only insert casts into
5544 hash table if pointer.
5545 * function.c (used_types_insert_helper): Rename from
5547 (used_types_insert): Call used_types_insert_helper.
5548 * function.h (used_types_insert): Accept only one argument.
5550 2006-05-05 David Edelsohn <edesohn@gnu.org>
5552 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5553 scratch with output modifier.
5555 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5558 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5559 with output modifier.
5561 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5564 * config/mips/mips.c (mips_symbolic_address_p): Return true
5565 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5566 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5568 2006-05-04 Richard Guenther <rguenther@suse.de>
5570 PR tree-optimization/14287
5571 PR tree-optimization/14844
5572 PR tree-optimization/19792
5573 PR tree-optimization/21608
5574 PR tree-optimization/27090
5575 * tree-ssa-pre.c (try_combine_conversion): New function.
5576 (compute_avail): After constructing the value-handle
5577 expression, use try_combine_conversion to combine NOP_EXPRs
5578 with previous value-handle expressions and use the result if it
5581 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5583 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5585 2006-05-04 Jan Hubicka <jh@suse.cz>
5588 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5590 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5592 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5593 that this only matches CONST_INTs. All users changed to VOIDmode
5596 * config/bfin/bfin.c: Include "optabs.h".
5597 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5599 (enum bfin_builtins): Add a number of fractional and vector builtins.
5600 (bfin_init_builtins): Likewise.
5601 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5602 (safe_vector_operand, bfin_expand_binop_builtin,
5603 bfin_expand_unop_builtin): New functions.
5604 (bfin_expand_builtin): Handle the new builtins.
5605 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5608 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5611 * Makefile.in (OBJS-common): Add see.o.
5612 (see.o): Add dependencies.
5613 * common.opt (fsee): New flag for the see optimization was added.
5614 * opts.c (flag_see): Initialized.
5615 * passes.c (init_optimization_passes, pass_see): New pass.
5616 * rtl.h (see_main): Declaration as extern.
5617 * timevar.def (TV_SEE): New.
5618 * tree-pass.h (pass_see): Declaration as extern.
5619 * invoke.texi (-fsee): Document.
5620 * recog.c (validate_simplify_insn): New function.
5621 * recog.h (validate_simplify_insn): Declaration as extern.
5622 * df-problems.c (df_chain_dump): Check for NULL.
5624 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5625 Daniel Berlin <dberlin@dberlin.org>
5627 * cfgrtl.c (insert_insn_bb_end_new): New function.
5628 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5630 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5632 * df.h (struct web_entry): Moved from web.c.
5633 (union_defs): Declaration as extern.
5634 (unionfind_root): Likewise.
5635 (unionfind_union): Likewise.
5636 * web.c (struct web_entry): Moved to df.h.
5637 (unionfind_root): Remove static declaration.
5638 (unionfind_union): Likewise.
5639 (union_defs): Likewise and generalize to use callback function.
5640 (web_main): Update arguments for union_defs function call.
5642 2006-05-04 Richard Guenther <rguenther@suse.de>
5644 PR tree-optimization/26447
5645 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5646 produce SSA_NAME copies before the store stmt to avoid
5647 breaking exception handling.
5649 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5652 * gimplify.c (omp_is_private): If var is shared in some outer context,
5653 return false instead of true. Stop searching on parallel context
5656 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5659 * coverage.c: Use get_gcov_unsigned_t() instead of
5660 unsigned_type_node all over.
5662 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5664 PR tree-optimization/27381
5665 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5666 maintain the same immediate_use links.
5667 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5668 node rather than segfaulting.
5670 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5673 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5674 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5675 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5677 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5679 Fix PR tree-optimization/26626
5680 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5682 * tree-ssa-operands.c (access_can_touch_variable): Allow
5683 typecasting through union pointers.
5685 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5688 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5689 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5690 to find if var will be a global variable even in the nested context.
5691 (omp_copy_decl): Only check for global variable at the end, it might
5692 be overridden in outer contexts.
5693 (scan_sharing_clauses): For global variables don't create a field.
5694 (lower_rec_input_clauses): Do nothing for global shared variables.
5695 Emit a barrier at the end of ILIST if there were any decls in both
5696 firstprivate and lastprivate clauses.
5697 (lower_send_clauses): Do nothing for global variables except for
5700 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5702 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5703 of the correct signedness is returned.
5705 2006-05-02 Jeff Law <law@redhat.com>
5707 PR tree-optimization/27364
5708 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5709 multiply expressions.
5711 2006-05-02 Tom Tromey <tromey@redhat.com>
5713 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5715 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5718 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5719 -mthumb -fPIC are used.
5721 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5722 Joshua Kinard <kumba@gentoo.org>
5725 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5726 with 64-bit pointers.
5728 2006-05-02 Paul Brook <paul@codesourcery.com>
5730 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5732 (create_fix_barrier): Check that a suitable barrier location is
5734 (arm_reorg): Include ftmp->address in allowable range of addresses.
5736 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5739 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5742 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5745 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5746 around RESULT_DECL for result passed by reference.
5747 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5748 * omp-low.c (use_pointer_for_field): Don't look at
5749 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5750 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5751 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5752 time or var for passing by reference for
5753 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5754 TREE_ADDRESSABLE variables when passing by reference.
5756 * omp-low.c (dump_omp_region): Fix output formatting.
5759 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5760 (expand_omp_parallel): Likewise.
5761 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5764 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5765 on statement list containing also constructors and destructors.
5766 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5769 * except.c (duplicate_eh_regions): Fix clearing of
5770 cfun->eh->region_array entries.
5772 2006-05-01 DJ Delorie <dj@redhat.com>
5774 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5776 (gcc_cv_objdump): Likewise.
5777 * configure: Regenerated.
5779 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5782 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5783 templates for case 3 and 4.
5785 2006-05-01 DJ Delorie <dj@redhat.com>
5787 * vec.c: Include bconfig.h when appropriate.
5788 * Makefile.in (build/vec.o): Adjust dependencies.
5789 * mkconfig.sh: Make sure config.h isn't used for build machine
5792 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5794 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5796 (mark_phi_for_rewrite): New function.
5797 (insert_phi_nodes_for, mark_use_interesting): Call
5798 mark_phi_for_rewrite.
5799 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5800 (update_ssa): Initialize and free phis_to_rewrite.
5802 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5804 PR rtl-optimization/27291
5805 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5806 folded to a constant.
5808 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5810 PR tree-optimization/27283
5811 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5812 not whole # of iteration descriptions.
5813 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5814 uses abnormal ssa name.
5815 (niter_for_single_dom_exit): Ditto.
5816 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5817 return just the number of iterations.
5819 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5821 PR tree-optimization/27144
5822 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5823 (record_estimate): Only record constant upper bound.
5824 (infer_loop_bounds_from_undefined): Call
5825 compute_estimated_nb_iterations just once.
5826 (proved_non_wrapping_p): Renamed to ...
5827 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5828 (convert_step_widening, scev_probably_wraps_p): Call
5829 n_of_executions_at_most instead of proved_non_wrapping_p.
5830 (substitute_in_loop_info): Do not replace values in bounds.
5831 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5834 2006-05-01 Richard Henderson <rth@redhat.com>
5837 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5838 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5841 2006-05-01 Roger Sayle <roger@eyesopen.com>
5843 * c-typeck.c (parser_build_binary_op): Don't call the function
5844 unsigned_conversion_warning to spot operand/result type overflow.
5845 (build_binary_op): Instead, call convert_and_check instead of
5846 convert to report the problem when the operands are promoted.
5847 * c-common.c (unsigned_conversion_warning): Make static.
5848 * c-common.h (unsigned_conversion_warning): Delete prototype.
5850 2006-05-01 Richard Guenther <rguenther@suse.de>
5852 PR tree-optimization/26726
5853 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5855 (find_interesting_uses_address): ... we work around here
5856 by folding INDIRECT_REFs in the substituted base.
5858 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5860 * omp-low.c (dump_omp_region): Add newlines.
5862 2006-04-30 Roger Sayle <roger@eyesopen.com>
5864 * common.opt (Woverflow): New command line option.
5865 * c-common.c (constant_expression_warning): Check warn_overflow.
5866 (overflow_waring): Pass OPT_Woverflow to warning.
5867 (unsigned_conversion_warning): Likewise.
5868 (convert_and_check): Likewise.
5869 * doc/invoke.texi: Document new command line option.
5871 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5873 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5874 TARGET_NO_FP_IN_TOC for section anchors.
5875 (optimization_options): Enable section anchors for all
5876 non-"Objective" languages.
5878 2006-04-28 Eric Christopher <echristo@apple.com>
5880 * config/darwin-c.c (darwin_ms_struct): Move this
5881 (darwin_set_default_type_attributes): and this...
5882 * config/darwin.c: ... here.
5883 * config/darwin.h (darwin_ms_struct): Declare.
5885 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5887 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5889 2006-04-28 Roger Sayle <roger@eyesopen.com>
5892 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5893 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5894 an unsigned HOST_WIDE_INT.
5895 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5897 (really_start_incremental_init): No need to call convert because
5898 bitsize_zero_node is already of type bitsizetype.
5899 (push_init_level): Extract the value of constructor_index as an
5900 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5901 (process_init_element): Likewise.
5903 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5905 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5906 value before passing to make_relative_prefix.
5908 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5911 * builtins.c (expand_builtin_memset): Expand val in original mode.
5913 2006-04-27 Eric Christopher <echristo@apple.com>
5915 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5916 with #ifndef/#endif.
5917 * config/darwin-c.c (darwin_ms_struct): New.
5918 (darwin_pragma_ms_struct): Ditto.
5919 (darwin_set_default_type_attributes): Ditto.
5920 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5921 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5922 Register ms_struct pragma.
5923 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5924 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5925 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5926 darwin_set_default_type_attributes if TARGET_MACHO.
5928 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5930 PR tree-optimization/26854
5931 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5932 * doc/tree-ssa.texi: Update immuse iterator documentation.
5933 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5934 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5935 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5936 first_safe_imm_use, next_safe_imm_use): Remove.
5937 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5938 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5939 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5940 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5941 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5942 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5943 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5944 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5945 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5946 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5947 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5948 (perfect_nestify): Use new iterator.
5949 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5951 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5952 (next_imm_name): New field in struct immediate_use_iterator_d.
5953 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5954 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5955 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5956 * tree-cfg.c (replace_uses_by): Use new iterator.
5957 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5958 * tree-ssa-operands.c (correct_use_link): Remove.
5959 (finalize_ssa_use_ops): No longer call correct_use_link.
5961 2006-04-27 Stuart Hastings <stuart@apple.com>
5963 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5964 * config/t-darwin (crt3.o): Use it.
5965 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5966 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5967 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5968 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5969 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5972 2006-04-27 Roger Sayle <roger@eyesopen.com>
5974 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5975 size, force the intermediate into a new pseudo rather instead of
5976 performing both a bitwise AND and a bitwise IOR in memory.
5978 2006-04-27 Richard Guenther <rguenther@suse.de>
5980 PR rtl-optimization/26685
5981 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5982 this one "max-flow-memory-locations".
5984 2006-04-27 Richard Guenther <rguenther@suse.de>
5986 PR tree-optimization/25148
5987 * tree-vrp.c (compare_values): Remove code dealing with
5988 comparisons against type min/max value. Honour overflow
5989 and negative constants in code dealing with comparisons
5990 of plus and minus expressions.
5991 (value_inside_range): Use fold_binary with LE_EXPR and
5992 GE_EXPR rather than compare_values.
5994 2006-04-27 Dirk Mueller <dmueller@suse.de>
5996 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5999 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6001 * basic-block.h (safe_insert_insn_on_edge): Removed.
6002 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6004 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6005 Paolo Bonzini <bonzini@gnu.org>
6008 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6009 (simplify_and_const_int): Same.
6011 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6013 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6015 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6018 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6019 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6020 cgraph_global_info_ready.
6023 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6026 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6027 either decl or init is error_mark_node.
6030 * tree-flow.h (struct omp_region): Add sched_kind.
6031 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6032 instead of extracting omp for data.
6033 (expand_omp_for): Save extracted sched_kind.
6035 2006-04-25 Roger Sayle <roger@eyesopen.com>
6037 * expmed.c (store_bit_field): Also check whether the bitsize is
6038 valid for the machine's "insv" instruction before moving the
6039 target into a pseudo for use with the insv.
6040 * config/i386/predicates.md (const8_operand): New predicate.
6041 * config/i386/i386.md (extv, extzv, insv): Use the new
6042 const8_operand predicate where appropriate.
6044 2006-04-25 DJ Delorie <dj@redhat.com>
6046 * doc/install.texi (Specific): Clarify that this is not a list of
6047 supported hosts or targets.
6049 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6051 PR rtl-optimization/26725
6052 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6053 block's BB_DIRTY flag.
6055 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6057 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6060 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6061 to print an integer.
6063 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6065 * varasm.c (align_variable): New function.
6066 (get_block_for_decl): Apply align_variable to DECL before
6067 calculating section information.
6068 (assemble_variable): Split out alignment computation.
6070 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6072 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6075 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6077 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6078 MODE_PARTIAL_INT mode.
6079 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6080 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6082 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6083 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6085 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6087 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6089 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6090 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6091 MACFLAG_IH): Likewise.
6092 (movstricthi_1): Renamed from "*movstricthi".
6093 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6094 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6095 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6096 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6097 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6098 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6099 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6100 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6101 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6102 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6103 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6104 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6105 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6106 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6107 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6109 * doc/rtl.texi (ss_ashift): Improve wording.
6111 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6113 * dwarf2out.c (verify_marks_clear): New.
6114 (prune_unused_types): Call verify_marks_clear initially, not
6117 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6119 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6120 * doc/rtl.texi: Document them.
6121 * simplify-rtx.c (simplify_unary_operation,
6122 simplify_binary_operation_1): Don't abort when we see them.
6124 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6127 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6128 * configure.ac: Completely disregard languages that are not
6130 * configure: Regenerated.
6132 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6133 Richard Guenther <rguenther@suse.de>
6135 PR tree-optimization/27236
6136 * tree-inline.c (copy_body_r): Make sure to copy
6137 TREE_THIS_VOLATILE flag.
6139 2006-04-24 Richard Guenther <rguenther@suse.de>
6142 * tree-complex.c (update_parameter_components): Don't handle
6143 unused parameters which have no default def.
6145 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6146 Richard Guenther <rguenther@suse.de>
6148 PR tree-optimization/27218
6149 * tree-inline.c (expand_call_inline): Strip useless type
6150 conversions for the return slot address.
6152 2006-04-24 Richard Guenther <rguenther@suse.de>
6154 * cfgloop.h (struct loops): Remove unused field array. Reorder
6156 (LOOP_PREFETCH): Remove.
6158 2006-04-24 Richard Guenther <rguenther@suse.de>
6160 PR tree-optimization/22525
6161 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6162 variable, adjust types of generated expressions.
6164 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6166 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6167 (tree-vect-patterns.o): Likewise.
6169 (cselib.o): Likewise.
6170 (loop-doloop.o): Likewise.
6171 (regclass.o): Likewise.
6172 (reload1.o): Likewise.
6173 (explow.o): Replace target.h with $(TARGET_H).
6174 (ipa-prop.o): Likewise.
6175 (ipa-cp.o): Likewise.
6176 (ipa-inline.o): Likewise.
6177 (reorg.o): Likewise.
6178 (reg-stack.o): Likewise.
6180 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6182 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6184 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6186 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6188 * configure.ac: Completely disregard languages that are not
6190 * configure: Regenerated.
6193 * c-common.h (c_build_bitfield_integer_type): Declare.
6194 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6195 * c-common.c (c_build_bitfield_integer_type): ... here.
6197 2006-04-23 Roger Sayle <roger@eyesopen.com>
6200 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6201 a SImode SUBREG of a floating point register after no_new_pseudos.
6203 2006-04-23 Roger Sayle <roger@eyesopen.com>
6205 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6206 identify potentially eliminable registers to additionally catch
6207 VIRTUAL_INCOMING_ARGS_REGNUM.
6208 (addsi3): Update the conditions on when to use addsi_small_int.
6210 2006-04-23 Roger Sayle <roger@eyesopen.com>
6213 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6214 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6215 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6217 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6219 * fold-const.c (range_predecessor): Use operand_equal_p
6220 as the predicate for equality.
6221 (range_successor): Likewise.
6223 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6226 * config/soft-fp/op-common.h: Fix a typo.
6228 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6231 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6232 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6234 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6236 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6238 * doc/tm.texi: Fix a typo.
6240 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6242 * dwarf2out.c (struct die_struct): Document that die_sib makes
6243 a circular linked list.
6244 (FOR_EACH_CHILD): New.
6245 (reverse_die_lists): Delete.
6246 (reverse_all_dies): Delete.
6247 (add_dwarf_attr): Correct documentation.
6248 (remove_child_with_prev): New.
6249 (remove_child_TAG): Update for change to die_struct, use
6250 remove_child_with_prev.
6251 (add_child_die): Update for change to die_struct.
6252 (splice_child_die): Use remove_child_with_prev and add_child_die.
6253 (print_die): Use FOR_EACH_CHILD.
6254 (die_checksum): Likewise.
6255 (assign_symbol_names): Likewise.
6256 (output_location_lists): Likewise.
6257 (build_abbrev_table): Likewise.
6258 (calc_die_sizes): Likewise.
6259 (mark_dies): Likewise.
6260 (unmark_dies): Likewise.
6261 (unmark_all_dies): Likewise.
6262 (output_die): Likewise.
6263 (prune_unused_types_mark): Likewise.
6264 (prune_unused_types_walk): Likewise.
6265 (same_die_p): Update for change to die_struct.
6266 (break_out_includes): Likewise.
6267 (prune_unused_types_prune): Likewise.
6268 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6269 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6271 (dwarf2out_finish): Don't call reverse_all_dies.
6273 2006-04-21 Eric Christopher <echristo@apple.com>
6275 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6276 in comments and function names.
6278 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6281 * c-typeck.c (digest_init): Robustify.
6283 * c-typeck.c (pop_init_level): Simplify.
6285 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6287 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6289 2006-04-21 Paul Brook <paul@codesourcery.com>
6291 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6292 hardware floating point.
6294 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6296 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6299 2006-04-21 Nick Clifton <nickc@redhat.com>
6301 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6304 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6307 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6308 C++ lang type in traceback table for Objective-C++.
6310 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6312 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6314 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6316 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6319 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6320 were errors. Remove check for erroneous objects.
6322 2006-04-20 Jeff Law <law@redhat.com>
6324 PR tree-optimization/26854
6325 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6326 checking for zero or one use.
6327 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6328 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6329 * tree-ssa-reassoc.c (negate_value): Similarly.
6330 (reassociate_bb): Similarly.
6332 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6334 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6335 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6336 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6338 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6340 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6341 fp regs if the last fp arg doesn't fit in regs.
6343 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6346 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6347 that the last insn has the REG_INC note.
6349 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6350 Nathan Sidwell <nathan@codesourcery.com>
6353 * stor-layout.c (update_alignment_for_field): Do not align
6355 (place_union_field): Place union field at the start of the union.
6356 (place_field): Move ERROR_MARK check later, and use the current
6357 allocation position to maintain monotonicity.
6359 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6361 * dominance.c: Include timevar.h.
6362 (calculate_dominance_info): Use TV_DOMINANCE.
6363 * timevar.def (TV_DOMINANCE): New timevar.
6364 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6366 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6368 PR rtl-optimization/14261
6369 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6370 move would be an INSV insn.
6371 (noce_process_if_block): Don't optimize if the destination is a
6372 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6374 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6376 * config/s390/s390.md: Add comments with the instructions emitted
6377 by an insn pattern if macros are used.
6379 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6381 PR rtl-optimization/26026
6382 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6383 is a known power of two shifted left a variable amount.
6385 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6387 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6388 to hash table twice when the debug_str section has SECTION_MERGE.
6390 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6392 * config/soft-fp: New directory. From glibc.
6393 * config/soft-fp/t-softfp: New.
6394 * config/soft-fp/README: New.
6395 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6396 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6397 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6398 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6399 * config.gcc: Use rs6000/t-fprules-fpbit or
6400 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6402 * config/rs6000/sfp-machine.h: New. Based on glibc.
6403 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6405 * config/rs6000/t-fprules: Remove fp-bit rules.
6406 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6407 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6408 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6409 (softfp_wrap_start, softfp_wrap_end): New.
6411 2006-04-18 DJ Delorie <dj@redhat.com>
6413 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6415 2006-04-18 Devang Patel <dpatel@apple.com>
6417 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6419 2006-04-18 Nick Clifton <nickc@redhat.com>
6421 * config/sh/t-symbian: Add rule to build sh-c.o
6422 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6423 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6424 (sh_symbian_encode_section_info): Likewise.
6426 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6428 * builtins.c (expand_builtin_strcmp): Cover label definition of
6429 do_libcall with HAVE_cmpstrnsi.
6431 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6433 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6435 * function.h (temp_slot_p): New.
6436 (function): Change the type of x_used_temp_slots to
6437 VEC(temp_slot_p,gc) *.
6439 2006-04-18 Nick Clifton <nickc@redhat.com>
6441 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6442 flag_strength_reduce.
6444 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6446 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6450 Partial revert of revision 112637
6451 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6452 Dale Johannesen <dalej@apple.com>
6455 * regclass.c (struct reg_pref): Update documentation.
6456 (regclass): Set prefclass to NO_REGS if memory is the best option.
6457 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6459 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6461 PR tree-optimization/26821
6462 * tree-ssa-math-opts.c (get_constant_one): New.
6463 (insert_reciprocals): Use it.
6465 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6467 * dwarf2out.c (free_AT): Delete.
6468 (remove_AT): Update string ref counts.
6469 (remove_child_TAG): Don't call free_die.
6471 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6472 or DW_TAG_GNU_EINCL.
6473 (prune_unused_types_walk_attribs): Reset string refcounts.
6474 (prune_unused_types_update_strings): New.
6475 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6476 call free_die. Do call prune_unused_types_update_strings.
6477 (prune_unused_types): Empty debug_str_hash.
6479 2006-04-17 Roger Sayle <roger@eyesopen.com>
6481 * expr.c (expand_assignment): Optimize away no-op moves where the
6482 source and destination are equal and have no side-effects.
6484 2006-04-17 Richard Guenther <rguenther@suse.de>
6487 * reload.c (push_reload): Guard calls to get_secondary_mem
6490 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6492 * alias.c (reg_base_value, old_reg_base_value): Change the
6493 type to VEC(rtx,gc) *.
6494 (REG_BASE_VALUE, find_base_value, record_set,
6495 init_alias_analysis): Use VEC instead of VARRAY.
6497 * alias.c (alias_sets): Change the type to
6498 VEC(alias_set_entry,gc) *.
6499 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6500 VEC instead of VARRAY.
6501 (last_alias_set): Remove.
6503 * cgraph.h (cgraph_edge_p): New.
6504 Update the prototype of cgraph_function_versioning.
6505 * cgraphunit.c (cgraph_copy_node_for_versioning,
6506 cgraph_function_versioning): Use VEC instead of VARRAY.
6507 * ipa-cp.c (ipcp_insert_stage): Likewise.
6509 2006-04-16 Roger Sayle <roger@eyesopen.com>
6512 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6513 "A op B" or "A op C", we may need to convert A to the type of B and C.
6515 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6517 * target.h (struct gcc_target): Add mode_rep_extended.
6518 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6519 (init_num_sign_bit_copies_in_rep): Initialize it using
6521 (truncate_to_mode): Use it.
6522 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6523 * targhooks.h (default_mode_rep_extended): Declare it.
6524 * targhooks.c (default_mode_rep_extended): Define it.
6525 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6526 default_mode_rep_extended.
6527 (TARGET_INITIALIZER): Include it.
6528 * doc/tm.texi (Misc): Document it.
6529 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6530 (mips_truncated_to_mode): New function.
6532 2006-04-16 Roger Sayle <roger@eyesopen.com>
6535 * expr.c (compress_float_constant): Copy the narrow constant into
6536 a new pseudo before extending it to its final width.
6538 2006-04-16 Roger Sayle <roger@eyesopen.com>
6539 Andrew Pinski <pinskia@gcc.gnu.org>
6540 Dale Johannesen <dalej@apple.com>
6543 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6544 special case code to implement V8HImode and V16QImode with SSE2.
6546 2006-04-15 Roger Sayle <roger@eyesopen.com>
6548 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6549 trees are constructed with a suitable tree type.
6551 2006-04-15 Roger Sayle <roger@eyesopen.com>
6553 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6554 (integer_onep): Likewise.
6555 (integer_all_onesp): Likewise.
6556 (integer_pow2p): Likewise.
6557 (integer_nonzerop): Likewise.
6558 (real_zerop): Likewise.
6559 (real_onep): Likewise.
6560 (real_twop): Likewise.
6561 (real_minus_onep): Likewise.
6562 (int_size_in_bytes): Likewise.
6563 (host_integerp): Likewise.
6565 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6567 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6568 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6569 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6571 * tree-ssa-structalias.h (alias_info): Remove num_references.
6573 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6575 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6576 (output_bvb patterns): Likewise.
6577 * pa.c (output_bb): Use 'bb' insn for long branch case.
6578 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6579 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6580 1. Correct length operand for alternatives 1 and 2.
6581 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6582 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6584 2006-04-14 Roger Sayle <roger@eyesopen.com>
6586 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6587 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6588 were accidentally reverted by r112959.
6590 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6593 * except.h (eh_region_outermost): New prototype.
6594 * except.c (eh_region_outermost): New function.
6595 * tree-cfg.c (find_outermost_region_in_block): Use it.
6597 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6599 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6601 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6602 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6603 (init_reload, reload): Use VEC instead of VARRAY.
6604 * reload.h: Update the prototype for
6605 reg_equiv_memory_loc_varray.
6607 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6608 Eric Botcazou <ebotcazou@libertysurf.fr>
6610 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6613 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6616 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6617 to expand fallback builtin function call.
6619 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6622 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6623 and emit libcall here in case the builtin fails.
6624 (expand_builtin_strcmp): Always emit the libcall here on failure.
6626 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6628 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6629 * flow.c (reg_n_info): Change the type to
6630 VEC(reg_info_p,heap) *.
6631 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6633 * regs.h (reg_info_p): New.
6634 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6635 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6636 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6639 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6641 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6643 * params.h (MAX_SCHED_READY_INSNS): New macro.
6644 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6645 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6646 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6647 the ready list for 1 cycle during the first scheduling pass.
6648 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6650 2006-04-13 Richard Henderson <rth@redhat.com>
6653 * gimple-low.c (lower_omp_directive): Remove dead code.
6654 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6655 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6656 * omp-low.c (struct omp_region): Move to tree-flow.h.
6657 (root_omp_region): Export.
6658 (omp_regions, lookup_omp_region): Remove.
6659 (determine_parallel_type): Update for struct omp_region changes.
6660 (dump_omp_region): Dump regions with block numbers.
6661 (new_omp_region): Take type and block instead of stmt; malloc
6663 (free_omp_region_1, free_omp_regions): New.
6664 (expand_parallel_call): Take entry_stmt as argument; update for
6665 changes to omp_region.
6666 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6667 (remove_exit_barriers): New.
6668 (expand_omp_parallel): Update for struct omp_region changes.
6669 (expand_omp_synch): Likewise.
6670 (expand_omp): Likewise.
6671 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6672 (expand_omp_for_static_chunk): Likewise.
6673 (expand_omp_for): Likewise.
6674 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6675 (expand_omp_sections): Similarly, with GOMP_sections_end.
6676 (expand_omp_single): New.
6677 (build_omp_regions_1): Update for OMP_CONTINUE.
6678 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6679 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6680 OMP_SECTIONS_SECTIONS.
6681 (lower_omp_single_simple): Don't emit barrier here.
6682 (lower_omp_single_copy): Likewise.
6683 (lower_omp_single): Fix bindings, and lower to straightline now.
6684 (lower_omp_master, lower_omp_ordered): Likewise.
6685 (lower_omp_critical): Likewise.
6686 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6687 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6688 omp edges, free it afterward.
6689 (make_omp_sections_edges): Remove.
6690 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6691 (move_stmt_r): Handle OMP_CONTINUE.
6692 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6693 statement pointers to basic blocks. Add type member.
6694 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6695 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6696 * tree-inline.c (estimate_num_insns_1): Likewise.
6697 * tree-pretty-print.c (dump_generic_node): Likewise.
6698 * tree-ssa-operands.c (get_expr_operands): Likewise.
6699 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6700 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6701 (OMP_CONTINUE): New.
6702 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6703 (OMP_SECTIONS_SECTIONS): Remove.
6704 (OMP_SECTION_LAST): New.
6705 (OMP_RETURN_NOWAIT): New.
6707 2006-04-13 Roger Sayle <roger@eyesopen.com>
6709 * fold-const.c (native_encode_vector, native_interpret_real):
6710 Correct obvious mistakes in the previous check-in.
6712 2006-04-13 Roger Sayle <roger@eyesopen.com>
6714 * fold-const.c (native_encode_expr): New function to encode
6715 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6716 or VECTOR_CST into a specified buffer.
6717 (native_encode_int): New function.
6718 (native_encode_real): New function.
6719 (native_encode_complex): New function.
6720 (native_encode_vector): New function.
6721 (native_interpret_expr): Inverse of native_encode_expr to convert
6722 a target representation into an INTEGER_CST, REAL_CST etc...
6723 (native_interpret_int): New function.
6724 (native_interpret_real): New function.
6725 (native_interpret_complex): New function.
6726 (native_interpret_vector): New function.
6727 (fold_view_convert_expr): New function to constant fold/evaluate
6728 a VIEW_CONVERT_EXPR of a suitable constant expression.
6729 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6730 Change call of build1 to fold_build1 when constructing a
6733 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6734 Ulrich Weigand <uweigand@de.ibm.com>
6737 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6740 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6743 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6744 optimize to lo_sum for DFmode if !TARGET_FPRS.
6746 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6748 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6749 delete_alias_info, compute_flow_sensitive_aliasing,
6750 group_aliases): Use VEC instead of VARRAY.
6751 * tree-ssa-structalias.c (update_alias_info): Likewise.
6752 * tree-ssa-structalias.h (alias_info): Change the type of
6753 processed_ptrs to VEC(tree,heap) *.
6755 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6758 * config/sh/lib1funcs.h: New file, broken out of:
6759 * config/sh/lib1funcs.asm.
6760 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6762 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6763 * config/sh/lib1funcs-Os-4-200.asm: New file.
6764 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6765 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6766 (EXTRA_MULTILIB_PARTS): Include it.
6767 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6768 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6769 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6770 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6773 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6775 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6776 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6777 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6779 * tree-ssa-live.h: Include vecprim.h.
6780 (tree_partition_associator_d): Change the type of
6781 first_partition to VEC(int,heap) *.
6782 (tpa_first_partition): Use VEC instead of VARRAY.
6784 * Makefile.in (GTFILES): Move functions.h after tree.h.
6785 * function.c (reset_block_changes, record_block_change,
6786 check_block_change, free_block_changes): Use VEC instead of
6788 * function.h (function): Change the type of
6789 ib_boundaries_block to VEC(tree,gc) *.
6790 * tree-inline.c (copy_cfg_body): Initialize
6791 ib_boundaries_block to NULL instead of (varray_type) 0.
6793 2006-04-12 Roger Sayle <roger@eyesopen.com>
6795 * expr.c (emit_group_store): Correct operand order in call to
6796 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6797 a SUBREG_BYTE of zero.
6799 2006-04-12 Richard Guenther <rguenther@suse.de>
6801 * profile.c (compute_branch_probabilities): Remove code
6802 encapsulated in !ir_type (), which are remanents of the
6803 removed RTL profiling code.
6804 * rtl-profile.c: Remove.
6806 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6808 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6809 magic NULL_RTX comment.
6810 (function_arg): Store entire fp arg to mem if any part should go
6812 (rs6000_arg_partial_bytes): Adjust for above change.
6814 2006-04-11 Roger Sayle <roger@eyesopen.com>
6816 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6817 if it hasn't been initialized by dwarf2out_init.
6819 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6821 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6822 symbolic constants in branch patterns.
6824 2006-04-11 Roger Sayle <roger@eyesopen.com>
6826 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6828 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6830 PR rtl-optimization/27073
6831 * gcse.c (try_replace_reg): Revert last change. Continue to search
6832 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6835 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6837 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6838 aggregate types other than record and union types.
6839 (function_arg): Likewise.
6840 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6842 (function_value): In 64-bit mode, return objects that require it
6845 2006-04-11 Roger Sayle <roger@eyesopen.com>
6847 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6849 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6851 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6853 2006-04-03 Jeff Law <law@redhat.com>
6856 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6857 alias information too.
6859 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6861 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6863 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6866 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6867 (premark_used_types_helper): New.
6868 (premark_used_types): New.
6869 (gen_subprogram_die): Call premark_used_types.
6870 (prune_unused_types_walk): Do not prune perennial dies.
6871 * function.c (used_types_insert): New.
6872 * function.h (struct function): Add used_types_hash field.
6873 (used_types_insert): Add prototype.
6874 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6875 * c-parser.c (c_parser_cast_expression): Save casted types in used
6878 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6881 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6882 rs6000_explicit_options.float_gprs.
6884 2006-04-10 Roger Sayle <roger@eyesopen.com>
6886 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6887 from ix86_expand_vector_init_low_nonzero. Take an additional
6888 one_var argument indicating which element is non-zero. Support
6889 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6890 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6891 with one_var instead of ix86_expand_vector_init_low_nonzero.
6893 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6895 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6896 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6897 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6898 build/genextract.o): Depend on vecprim.h.
6899 * cfglayout.c, df-problems.c, function.c, genextract.c,
6900 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6901 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6905 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6907 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6908 Declare VECs of this type.
6909 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6910 (remove_children): Delete.
6911 (add_dwarf_attr): Use VEC routines.
6912 (add_AT_flag): Update for changes to add_dwarf_attr.
6913 (add_AT_int): Likewise.
6914 (add_AT_unsigned): Likewise.
6915 (add_AT_long_long): Likewise.
6916 (add_AT_vec): Likewise.
6917 (add_AT_string): Likewise.
6918 (add_AT_die_ref): Likewise.
6919 (add_AT_fde_ref): Likewise.
6920 (add_AT_loc): Likewise.
6921 (add_AT_loc_list): Likewise.
6922 (add_AT_addr): Likewise.
6923 (add_AT_lbl_id): Likewise.
6924 (add_AT_lineptr): Likewise.
6925 (add_AT_macptr): Likewise.
6926 (add_AT_offset): Likewise.
6927 (add_AT_range_list): Likewise.
6928 (get_AT): Use VEC_iterate.
6929 (remove_AT): Use VEC_ordered_remove.
6930 (free_die): Fold remove_children into here; have it use VEC_iterate.
6931 (print_die): Use VEC_iterate on attrs.
6932 (reverse_die_lists): Don't reverse attr lists.
6933 (die_checksum): Use VEC_iterate on attrs.
6934 (same_die_p): Likewise.
6935 (output_location_lists): Likewise.
6936 (build_abbrev_table): Likewise.
6937 (size_of_die): Likewise.
6938 (unmark_all_dies): Likewise.
6939 (output_abbrev_section): Likewise.
6940 (output_die): Likewise.
6941 (prune_unused_types_walk_attribs): Likewise.
6943 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6945 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6947 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6950 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6952 2006-04-09 Roger Sayle <roger@eyesopen.com>
6954 * expr.c (store_constructor): Don't bother clearing target if
6955 we're about to assign a vector to it using vec_init_optab.
6957 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6959 * tree-ssa-alias.c (lhs_may_store_to): New function.
6960 (recalculate_used_alone): Handle LHS of calls.
6962 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6966 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6967 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6968 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6969 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6970 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6971 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6972 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6973 stubs. Add ".align 8" directives before all ".dword" directives.
6974 (GTHREAD_USE_WEAK): Revise comment.
6975 (TARGET_ATTRIBUTE_WEAK): Define.
6976 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6977 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6978 * stublib.c: New file.
6983 * pa.md (cbranch patterns): Revise arguments used in calls to
6984 output_cbranch, output_bb and output_bvd. Add long branch length
6986 (fbranch patterns): Handle long branches.
6987 (jump): Revise length check. Revise arguments for output_lbranch call.
6988 Add long branch length attributes.
6989 (decrement_and_branch_until_zero): Add long branch length attributes.
6990 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6991 Likewise. Revise arguments for output_parallel_addb and
6992 output_parallel_movb calls.
6993 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6994 output_parallel_movb and output_parallel_addb): Update prototypes.
6995 * pa.c (output_cbranch): Revise arguments. Correct handling of
6996 nullification in long branches.
6997 (output_lbranch): Add new argument to control extraction of delay
6999 (output_bb): Handle long branches.
7000 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7001 output_parallel_addb): Likewise.
7003 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7005 PR rtl-optimization/27073
7006 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7009 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7011 * tree.h (tree_memory_tag): Add old_used_alone.
7012 (SMT_OLD_USED_ALONE): New macro.
7013 * tree-ssa-alias.c (recalculate_used_alone): Stop
7014 marking things for renaming unnecessarily.
7016 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7018 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7019 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7020 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7021 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7022 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7023 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7024 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7025 spelling convensions.
7026 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7027 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7028 typos. Follow spelling conventions.
7030 2006-04-07 DJ Delorie <dj@redhat.com>
7032 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7033 passed on the stack.
7034 (m32c_init_cumulative_args): When a function returns a structure,
7035 always pass the pointer to that return area on the stack.
7036 (m32c_function_arg_advance): Don't increment the parameter number
7037 if we're processing the returned structure pointer.
7038 (pushm_info): Reverse order of registers.
7040 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7042 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7043 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7044 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7045 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7047 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7048 chrec_fold_multiply): Same.
7049 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7050 force_expr_to_var_cost): Same.
7051 * tree-mudflap.c (mf_xform_derefs_1): Same.
7052 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7054 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7056 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7057 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7060 2006-04-07 Jan Hubicka <jh@suse.cz>
7062 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7064 2006-04-07 Richard Guenther <rguenther@suse.de>
7066 PR tree-optimization/26135
7067 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7068 loads for store copy-prop.
7069 (copy_prop_visit_stmt): Likewise.
7071 2006-04-05 Robert Millan <robertmh@gnu.org>
7073 * config/i386/linux.h: Add a comment to mark macros that are
7074 being overriden in config/k*bsd-gnu.h.
7075 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7077 * config/knetbsd-gnu.h: Ditto.
7079 2006-04-06 Jan Hubicka <jh@suse.cz>
7083 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7086 2006-04-06 Mike Stump <mrs@apple.com>
7088 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7089 for HAVE_nonlocal_goto to be consistent.
7090 (expand_builtin_nonlocal_goto): Likewise.
7091 (expand_builtin_strcmp): Use #ifdef instead of #if
7092 for HAVE_cmpstrnsi to be consistent.
7094 2006-04-05 DJ Delorie <dj@redhat.com>
7096 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7099 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7101 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7102 got-relative addressing for anything but SImode.
7104 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7105 even if the calling function doesn't modify them.
7107 2006-04-05 Richard Guenther <rguenther@suse.de>
7109 PR tree-optimization/26919
7110 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7111 to cgraph_estimate_size_after_inlining.
7113 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7115 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7117 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7119 PR tree-optimization/26996
7120 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7121 VECTOR_TYPE variables.
7123 2006-04-05 Richard Guenther <rguenther@suse.de>
7125 PR tree-optimization/26763
7126 * fold-const.c (fold_comparison): Move folding of
7127 PTR + CST CMP PTR + CST ...
7128 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7130 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7132 * doc/install.texi (Prerequisites): Refine some wording on
7133 bootstrapping and ksh.
7134 Move the version numbers of DejaGnu here from the testing section
7135 and fix casing of names.
7136 Fix markup and clarify wording for autogen requirements.
7137 Refer to GCJ instead of just java.
7138 Refer to SVN instead of CVS.
7139 Describe diffutils as useful instead of necessary.
7140 (Downloading the source): Refer to SVN instead of CVS.
7141 Adjust a link to our web site accordingly.
7142 (Configuration): Fix casing of Bison.
7143 (Building): Refer to SVN instead of CVS.
7144 Fix a sentence on the use of Bison and remove duplicate (and
7145 incorrect) version number of Bison requirement.
7146 Remove one redundant list of packages needed for building.
7147 (Specific): Avoid reference to CVS.
7149 2006-04-04 Eric Christopher <echristo@apple.com>
7151 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7152 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7153 (rs6000_handle_struct_attribute): New.
7154 (rs6000_ms_bitfield_layout_p): Ditto.
7156 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7158 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7159 NULL for dso parameter to atexit_common.
7161 2006-04-04 Eric Christopher <echristo@apple.com>
7163 * config/i386/i386.c (machopic_output_stub): Output \t
7164 between instructions and operands.
7166 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7168 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7169 satisfies_constraint_[IL] to explicit tests on value.
7171 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7173 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7174 set_nb_iterations_in_loop): Use build_int_cst instead of
7176 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7177 build_int_cst instead of convert.
7179 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7181 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7182 new value 2 for incoming.
7183 * function.c (expand_function_start): Call struct_value_rtx
7185 * config/sparc/sparc.md: Comment updated_return.
7186 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7187 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7188 struct return if sparc_std_struct_return and incoming is 2.
7189 (print_operand): Do not adjust return if
7190 sparc_std_struct_return.
7192 2006-04-04 Roger Sayle <roger@eyesopen.com>
7194 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7195 convert in the middle-end.
7196 * expr.c (store_expr, store_constructor, get_inner_reference,
7197 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7199 * tree.c (build_range_type): Likewise.
7201 2006-04-04 Tom Tromey <tromey@redhat.com>
7203 * doc/install.texi (Prerequisites): Mention jar.
7205 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7207 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7210 2006-04-04 Matthias Klose <doko@debian.org>
7212 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7216 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7219 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7221 * doc/extend.texi (Function Attributes): Rewrite visibility
7222 attribute documentation.
7223 * doc/invoke.texi (C++ Dialect Options): Rewrite
7224 -fvisibility-inlines-hidden documentation to describe something
7225 entirely different, although in practise compatible.
7226 (Code Gen Options): Warn about system headers in -fvisibility=
7229 * doc/extend.texi (Other Builtins): Document that
7230 __builtin_nan is a compile-time constant only when its argument
7233 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7235 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7236 trying to remove TRUNCATE check if all bits outside the new mode
7237 are identical to the sign bit.
7239 2006-04-03 Jeff Law <law@redhat.com>
7241 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7242 and operand scanning in some common cases.
7244 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7245 Dale Johannesen <dalej@apple.com>
7248 * regclass.c (struct reg_pref): Update documentation.
7249 (regclass): Set prefclass to NO_REGS if memory is the best option.
7250 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7251 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7252 into account. For non-registers, equate an empty preferred
7253 reload class to a `!' in the constraint; move the if clause to
7254 do so after those that reject the insn.
7255 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7257 (find_dummy_reload): Likewise.
7258 * doc/tm.texi (Register Classes): Document what it means
7259 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7260 * config/i386/i386.c (ix86_preferred_reload_class): Force
7261 using SSE registers (and return NO_REGS for floating-point
7262 constants) if math is done with SSE.
7263 (ix86_preferred_output_reload_class): New.
7264 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7265 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7266 * config/i386/i386.md: Remove # register preferences.
7268 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7271 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7272 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7273 the type of nb_iter.
7274 (instantiate_parameters_1): Convert the operands before calling
7275 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7276 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7278 2006-04-02 Roger Sayle <roger@eyesopen.com>
7280 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7281 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7283 * dojump.c (do_jump): Likewise.
7284 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7285 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7286 gimplify_boolean_expr): Likewise.
7287 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7288 * varasm.c (array_size_for_constructor): Likewise.
7289 * tree-object-size.c (compute_object_offset): Likewise.
7291 2006-04-02 Roger Sayle <roger@eyesopen.com>
7294 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7295 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7297 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7299 PR tree-optimization/26939
7300 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7302 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7304 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7305 at_stmt. Convert the type of operands before calling
7306 build_polynomial_chrec.
7307 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7309 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7310 (instantiate_parameters_1): Convert the type of operands before calling
7311 build_polynomial_chrec.
7312 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7313 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7314 reset_evolution_in_loop): Insert asserts to check the types of the
7316 (chrec_type): Moved...
7317 (eq_evolutions_p): Use operand_equal_p.
7318 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7319 the types of the operands.
7320 (chrec_type): ...here.
7321 * tree-data-ref.c (create_data_ref): Convert the operands before
7322 calling chrec_replace_initial_condition.
7323 (same_access_functions, analyze_subscript_affine_affine,
7324 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7325 (compute_subscript_distance, analyze_ziv_subscript,
7326 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7327 analyze_miv_subscript): Convert the operands before calling
7328 chrec_fold_minus or chrec_fold_plus.
7330 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7332 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7333 the dependence_relations vector.
7334 (compute_data_dependences_for_loop): Adjust call to
7335 compute_all_dependences.
7337 2006-04-01 Roger Sayle <roger@eyesopen.com>
7338 Richard Henderson <rth@redhat.com>
7340 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7341 gimple_boolify on the condition before calling gimplify_expr.
7343 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7345 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7346 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7347 the frame size. Update to use the new macros.
7348 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7349 * config/xtensa/ieee754-df.S: Likewise.
7351 2006-03-31 Richard Henderson <rth@redhat.com>
7353 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7354 (make_edges): ... here. Control fallthru creation with a local
7355 variable. Do not play with fake edges.
7356 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7357 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7360 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7362 * dwarf2.h (DW64_CIE_ID): Define.
7363 * dwarf2out.c (DWARF_CIE_ID): Define.
7364 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7365 length header. Use DWARF_CIE_ID.
7366 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7367 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7369 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7371 * config/sh/linux-atomic.asm: New file.
7372 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7374 2006-03-31 DJ Delorie <dj@redhat.com>
7376 * config/m32c/cond.md: Set condition flags properly throughout.
7377 * config/m32c/minmax.md: Likewise.
7378 * config/m32c/prologue.md: Likewise.
7379 * config/m32c/bitops.md: Likewise.
7380 * config/m32c/muldiv.md: Likewise.
7381 * config/m32c/mov.md: Likewise.
7382 * config/m32c/addsub.md: Likewise.
7383 * config/m32c/m32c.md: Likewise.
7384 * config/m32c/jump.md: Likewise.
7385 * config/m32c/shift.md: Likewise.
7387 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7388 conditionally output the pattern for this.
7389 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7390 (m32c_compare_redundant): New.
7391 (m32c_output_compare): New.
7392 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7394 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7395 dest, not src. Allow other 4-byte modes.
7397 2006-03-30 Denis Chertykov <denisc@overta.ru>
7399 * doc/md.texi: Refer to avr/constraints.md instead of
7402 2006-03-30 Roger Sayle <roger@eyesopen.com>
7404 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7405 signed vs. unsigned comparison failures on some hosts.
7407 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7410 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7411 change to FLOAT_REGS.
7413 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7414 (rs6000_override_options): Use it.
7415 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7416 only for -mabi=spe/no-spe and -mabi=altivec.
7418 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7420 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7423 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7425 * Makefile.in: Rename docdir to gcc_docdir.
7427 2006-03-30 Roger Sayle <roger@eyesopen.com>
7430 * expr.c (emit_group_store): Optimize group stores into a pseudo
7431 register by using a paradoxical subreg to initialize the destination
7432 if the first or last member of the group specifies a "low part".
7434 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7437 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7438 * target.h (struct gcc_target.speculate_insn): Change type of the
7439 second parameter to 'int'.
7440 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7441 the second operand of the DEPS_LIST.
7442 (copy_DEPS_LIST_list): Update reference to the second operand of the
7444 * rtl.h (alloc_DEPS_LIST): Update signature.
7445 * sched-int.h (ds_t): Change typedef to 'int'.
7446 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7448 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7450 * haifa-sched.c (try_ready): Change condition to restore
7451 non-speculative pattern of the instruction.
7452 (process_insn_depend_be_in_spec): Code to keep probability of the
7453 speculative dependence non-decreasing.
7455 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7457 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7458 (single_move_for_movmem): ... this. Also change all uses.
7459 (bfin_expand_strmov): Renamed to...
7460 (bfin_expand_movmem): ... this. Also change all uses.
7461 * config/bfin/bfin.md (movstrsi): Renamed to...
7462 (movstrsi): ...this.
7464 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7466 PR tree-optimization/26830
7468 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7469 (copy_prop_visit_stmt): Remove write-only variable ann.
7470 (init_copy_prop): Check variable loop depth here. Do not simulate
7471 memory-tag and virtual operand PHIs except for store copy prop.
7473 2006-03-30 Richard Guenther <rguenther@suse.de>
7475 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7476 variants with double arguments.
7478 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7480 * genpreds.c (write_tm_constrs_h): Delete variable p.
7481 * genconditions.c (write_header): Add tm-constrs.h to included
7483 * genpeep.c (main): Add toplev.h to included headers.
7484 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7485 (build/genpeep.o): Add toplev.h dependency.
7486 * config/rs6000/constraints.md: Add "W" constraint.
7488 2006-03-29 Roger Sayle <roger@eyesopen.com>
7490 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7491 sizes by correctly testing whether the size fits a host integer.
7492 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7493 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7494 SImode range for the default sizetype and bitsizetype.
7496 2006-03-29 Roger Sayle <roger@eyesopen.com>
7498 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7499 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7500 quickly if the argument is already of the correct type.
7501 Call fold_build1 instead of build1. Tidy up blank lines.
7503 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7505 * genemit.c (main): Add tm-constrs.h to included headers.
7506 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7507 * genpeep.c (main): Add tm-constrs.h to included headers.
7508 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7509 (write_tm_constrs_h): this and write complete file.
7510 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7511 (write_insn_preds_c): Add tm-constrs.h to included headers.
7512 (gen_constrs): New variable.
7513 (parse_option): Parse "-c".
7514 (main): Invoke write_tm_constrs_h.
7515 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7516 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7517 (object_out_file): Add tm-constrs.h dependency.
7518 (insn-emit.o): Same.
7519 (insn-output.o): Same.
7520 (insn-peep.o): Same.
7521 (insn-preds.o): Same.
7522 (insn-recog.o): Same.
7523 (tm-constsr.h): New target.
7524 (s-constrs-h): New target.
7526 * config/rs6000/constraints.md: New file.
7527 * config/rs6000/rs6000.c: Include tm-constrs.h.
7528 (num_insn_constant_wide): Convert to satisfies_constraint.
7529 (rs6000_rtx_costs): Convert to satisfies_constraint.
7530 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7531 (CONST_OK_FOR_LETTER_P): Delete.
7532 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7533 (EXTRA_CONSTRAINT): Delete.
7534 (EXTRA_MEMORY_CONSTRAINT): Delete.
7535 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7536 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7537 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7538 satisfies_constraint.
7540 * config/i386/i386.c: Include tm-constrs.h.
7542 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7544 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7545 * tree-data-ref.c (find_data_references_in_loop,
7546 compute_data_dependences_for_loop): Use pointers to VEC.
7547 (analyze_all_data_dependences): Adjust calls.
7548 * tree-data-ref.h (find_data_references_in_loop,
7549 compute_data_dependences_for_loop): Adjust declarations.
7550 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7551 compute_data_dependences_for_loop.
7553 2006-03-29 Paul Brook <paul@codesourcery.com>
7555 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7558 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7560 PR tree-optimization/26859
7561 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7563 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7564 for the step after fold_convert.
7566 2006-03-29 Paul Brook <paul@codesourcery.com>
7568 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7569 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7571 2006-03-29 Paul Brook <paul@codesourcery.com>
7574 * targhooks.c (default_narrow_bitfield): New fuction.
7575 * targhooks.h (default_narrow_bitfield): add prototype.
7576 * target.h (gcc_target): Add narrow_volatile_bitfield.
7577 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7578 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7579 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7580 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7582 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7584 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7586 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7587 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7588 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7589 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7590 (s390_function_arg_float): Allow SDmode and DDmode values to be
7591 passed in floating point registers.
7592 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7593 check with SCALAR_FLOAT_MODE_P.
7594 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7596 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7598 PR tree-optimization/25985
7599 * tree-ssa-loop-niter.c (number_of_iterations_le,
7600 number_of_iterations_ne): Make comments more precise.
7601 (number_of_iterations_cond): Add only_exit argument. Use the
7602 fact that signed variables do not overflow only when only_exit
7604 (loop_only_exit_p): New.
7605 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7606 number_of_iterations_cond.
7608 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7610 PR tree-optimization/26643
7611 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7614 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7616 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7617 (divsi3_i4_int): Likewise.
7619 2006-03-28 Roger Sayle <roger@eyesopen.com>
7621 * expr.c (emit_group_store): Only create a new pseudo reg if the
7622 quantity it needs to hold isn't already a suitable pseudo.
7624 2006-03-28 Jeff Law <law@redhat.com>
7626 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7627 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7629 2006-03-28 Roger Sayle <roger@eyesopen.com>
7631 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7632 the equivalent ~X & Y, and the symmetry related transformations.
7633 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7634 ~X & Y, and symmetry related transforms.
7636 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7638 Revert my 2006-03-27 patches.
7640 2006-03-28 Roger Sayle <roger@eyesopen.com>
7642 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7643 ~(T1)X, when T1 and T2 are integer types of the same precision
7644 and (T2)X isn't an extension.
7646 2006-03-28 Jeff Law <law@redhat.com>
7648 PR tree-optimization/26796
7649 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7650 need EH edge cleanups rather than purging them immediately.
7651 (eliminate_degenerate_phis): Handle queued EH cleanups.
7653 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7655 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7658 2006-03-27 Roger Sayle <roger@eyesopen.com>
7661 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7662 cast BIT_NOT_EXPR operand to the correct type.
7664 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7666 * tree-loop-linear.c: Don't include varray.h.
7667 (gather_interchange_stats, try_interchange_loops,
7668 linear_transform_loops): Use VEC instead of VARRAY.
7669 * lambda-mat.c: Don't include varray.h.
7670 * tree-chrec.c: Same.
7671 * lambda-trans.c: Same.
7672 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7673 VEC instead of VARRAY.
7674 * tree-vectorizer.h: Idem.
7675 * tree-data-ref.c (dump_data_references,
7676 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7677 initialize_data_dependence_relation, finalize_ddr_dependent,
7678 compute_all_dependences, find_data_references_in_loop,
7679 compute_data_dependences_for_loop, analyze_all_data_dependences,
7680 free_dependence_relation, free_dependence_relations,
7681 free_data_refs): Idem.
7682 * tree-data-ref.h (data_reference_p, subscript_p): New.
7683 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7684 VEC instead of VARRAY.
7685 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7686 (find_data_references_in_loop, compute_data_dependences_for_loop,
7687 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7688 dump_data_dependence_relations, free_dependence_relations,
7689 free_data_refs): Adjust declaration.
7690 (lambda_transform_legal_p): Move declaration here...
7691 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7692 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7693 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7694 vect_analyze_data_refs): Use VEC instead of VARRAY.
7695 * lambda.h (lambda_transform_legal_p): ...from here.
7696 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7697 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7698 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7699 tree-chrec.o): Don't depend on VARRAY_H.
7701 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7703 * rtl.def (Copyright): Update date.
7704 (DEPS_LIST): Change type of the second operand to 'int'.
7705 * target.h (Copyright): Update date.
7706 (struct gcc_target.speculate_insn): Change type of the second parameter
7708 * lists.c (Copyright): Update date.
7709 (alloc_DEPS_LIST): Change signature. Update reference to the second
7710 operand of the DEPS_LIST.
7711 (copy_DEPS_LIST_list): Update reference to the second operand of the
7713 * rtl.h (Copyright): Update date.
7714 (alloc_DEPS_LIST): Update signature.
7715 * sched-int.h (Copyright): Update date.
7716 (ds_t): Change typedef to 'int'.
7717 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7719 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7721 * haifa-sched.c (Copyright): Update date.
7722 (try_ready): Change condition to restore non-speculative pattern
7724 (process_insn_depend_be_in_spec): Code to keep probability of the
7725 speculative dependence non-decreasing.
7727 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7729 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7730 shut up the compiler.
7732 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7734 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7735 to use lib prefix for target.
7736 ($(T)libic_invalidate_array_4-200.a): Likewise.
7737 ($(T)libic_invalidate_array_4a.a): Likewise.
7739 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7740 J"orn Rennecke <joern.rennecke@st.com>
7742 * superh.opt: New file.
7743 * sh.c (boardtype, osruntime): Remove.
7744 * superh.h (SUBTARGET_OPTIONS): Remove.
7745 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7747 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7748 arguments with ^ and/or [].
7750 * config.gcc (sh-*-*): Add quoting to account for quirk of
7752 Replace == with = in enable_incomplete_targets test.
7754 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7755 with MASK_LITTLE_ENDIAN.
7757 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7758 * config/sh/sh.opt: Added to some comments.
7759 * config/sh/superh.h: Removed some chaff.
7761 * config/sh/sh.opt: Add m4-[1234]00* options.
7762 * config/sh/sh.c (sh_handle_option): Likewise.
7763 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7764 (ic_invalidate_array_4-100.o): New rule.
7765 ($(T)libic_invalidate_array_4-100.a): Likewise.
7766 (ic_invalidate_array_4-200.o): Likewise.
7767 ($(T)libic_invalidate_array_4-200.a): Likewise.
7768 (ic_invalidate_array_4a.o): Likewise.
7769 ($(T)libic_invalidate_array_4a.a): Likewise.
7770 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7771 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7773 * config/sh/crt1.asm: Merged in profiling code.
7774 * config/sh/superh.h (STARTFILE_SPEC): Override.
7775 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7776 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7777 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7779 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7780 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7781 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7783 * sh.opt (mpretend-cmove): New option.
7784 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7785 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7786 (movsicc): Add TARGET_PRETEND_CMOVE code.
7788 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7790 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7791 s390_class_max_nregs): New function prototypes.
7792 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7793 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7794 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7795 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7797 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7799 * dwarf2out.c (add_location_or_const_value_attribute): Call
7800 tree_add_const_value_attribute if nothing else works.
7801 (reference_to_unused): New.
7802 (rtl_for_decl_init): Use reference_to_unused to decide whether
7803 to output an initializer.
7805 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7808 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7809 peephole removing spe frob_di_df_2.
7811 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7813 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7814 (subscript_dependence_tester_1): Declared.
7815 (print_dir_vectors, print_dist_vectors): New.
7816 (debug_data_dependence_relation): New.
7817 (dump_data_dependence_relation): Print more details.
7818 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7819 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7820 (save_dist_v, save_dir_v, add_outer_distances,
7821 build_classic_dist_vector_1): New.
7822 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7823 Don't test for lambda_vector_lexico_pos.
7824 (same_access_functions, add_multivariate_self_dist,
7825 add_other_self_distances, dir_from_dist): New.
7826 (build_classic_dir_vector): Replace implementation almost identical to
7827 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7829 (subscript_dependence_tester_1): New.
7830 (subscript_dependence_tester): Handle the lexicographically negative
7831 distance vectors by recomputing the dependence relation.
7832 (compute_affine_dependence): Remove parameter loop_nest_depth.
7833 (compute_self_dependence): Don't call compute_subscript_distance.
7834 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7835 Add a parameter for the loop_nest.
7836 (find_loop_nest_1, find_loop_nest): New.
7837 (compute_data_dependences_for_loop): Compute the loop nest, and give
7838 up if the nest is not well formed.
7839 * tree-data-ref.h (loop_p): New.
7840 (struct data_dependence_relation): Replace size_vect field with
7841 loop_nest, a vec of loops.
7842 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7843 (DDR_LOOP_NEST): New.
7844 (print_dir_vectors, print_dist_vectors,
7845 debug_data_dependence_relation): Declared.
7846 (index_in_loop_nest): New.
7847 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7848 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7851 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7853 * simplify-rtx.c (simplify_relational_operation): Call
7854 simplify_relational_operation_1 even if mode is VOIDmode.
7856 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7858 PR tree-optimization/26804
7859 * tree.h (DECL_CALL_CLOBBERED): New macro.
7860 (tree_decl_common): Add call_clobbered_flag.
7861 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7862 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7863 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7864 (mark_non_addressable): Ditto.
7865 * tree-ssa.c (verify_call_clobbered): New function.
7866 (verify_alias_info): Use it.
7867 * tree-pass.h (pass_reset_cc_flags): New prototype.
7868 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7869 (reset_cc_flags): New function.
7870 * passes.c (init_optimization_passes): Call reset_cc_flags after
7871 initializing referenced_vars.
7873 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7874 Roger Sayle <roger@eyesopen.com>
7877 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7878 to 1.0 for non-real operands. Implement A / A optimization for
7881 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7883 * config/i386/i386.c (size_cost): Correct the comment for
7884 cost of storing fp registers.
7885 (i386_cost): Likewise.
7886 (i486_cost): Likewise.
7887 (pentium_cost): Likewise.
7888 (pentiumpro_cost): Likewise.
7889 (k6_cost): Likewise.
7890 (athlon_cost): Likewise.
7891 (k8_cost): Likewise.
7892 (pentium4_cost): Likewise.
7893 (nocona_cost): Likewise.
7894 (generic64_cost): Likewise.
7895 (generic32_cost): Likewise.
7897 2006-03-24 Denis Chertykov <denisc@overta.ru>
7899 * config/avr/avr-protos.h (extra_constraint): Delete.
7900 (extra_constraint_Q): New declaration.
7901 * config/avr/constraints.md: New file.
7902 * config/avr/avr.md: Include it.
7903 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7904 (TMP_REGNO, ZERO_REGNO): Likewise.
7905 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7906 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7907 (extra_constraint): Delete.
7908 (extra_constraint_Q): Test for memory constraint 'Q'.
7909 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7910 (REG_CLASS_FROM_LETTER): Delete.
7911 (CONST_OK_FOR_LETTER_P): Delete.
7912 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7913 (EXTRA_CONSTRAINT): Delete.
7914 (TMP_REGNO): Delete.
7915 (ZERO_REGNO): Delete.
7917 2006-03-24 Jeff Law <law@redhat.com>
7919 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7920 directly. Call mark_new_vars_to_rename slightly earlier.
7922 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7924 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7926 (gen_compile_unit_die): Use new language types for Objective-C and
7928 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7929 DW_LANG_C_plus_plus.
7932 * config/t-darwin (crt3.o): Work around bug 26840.
7933 * config/darwin-crt3.c: Rewrite.
7934 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7936 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7938 * doc/invoke.texi: Document -femit-class-debug-always
7939 * common.opt: Add -femit-class-debug-always.
7941 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7943 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7944 index and base register.
7945 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7946 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7947 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7948 REGNO_OK_FOR_INDEX_P.
7949 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7951 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7952 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7953 REG_OK_FOR_BASE_P): Definitions removed.
7955 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7958 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7959 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7960 set yet or weren't marked as local yet.
7962 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7964 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7967 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7969 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7970 (rs6000_legitimate_small_data_p): Delete.
7971 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7972 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7973 and make static. Add forward declaration. Update uses.
7974 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7975 of offsettable_memref_p.
7976 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7977 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7979 2006-03-24 Jeff Law <law@redhat.com>
7981 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7982 around bug in immediate-use iterator.
7984 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7987 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7988 or __LITTLE_ENDIAN__.
7990 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7992 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7993 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7994 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7995 * config/sh/sh.opt (mdiv=): Amend description.
7996 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7997 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7998 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7999 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8000 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8001 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8002 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8003 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8004 TARGET_DIVIDE_CALL_FP.
8006 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8008 * haifa-sched.c (choose_ready): Fix type of the local variable.
8009 Move local variables. Add comment.
8010 (check_reg_live): Change signature. Make callable from debugger.
8011 * sched-int.h (check_reg_live): Update signature.
8012 * sched-ebb.c (check_reg_live): Update parameters.
8013 * sched-rgn.c (check_reg_live): Ditto.
8014 (region_head_or_leaf_p): Check pointer before dereferencing.
8015 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8016 before reload on optimization levels below 1.
8018 2006-03-23 Richard Henderson <rth@redhat.com>
8020 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8024 * config/alpha/predicates.md (local_symbolic_operand): Reject
8027 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8030 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8031 expressions which have overflowed constants.
8033 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8035 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8037 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8039 * cfgloopmanip.c (create_loop_notes): Removed.
8040 * final.c (final_scan_insn): Do not handle loop notes.
8041 * jump.c (squeeze_notes): Ditto.
8042 * cfglayout.c (skip_insns_after_block,
8043 duplicate_insn_chain): Ditto.
8044 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8046 * cfgloop.h (create_loop_notes): Declaration removed.
8048 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8050 * varasm.c (output_constant_pool): Restore fnname and fndecl
8052 (assemble_start_function): Adjust call accordingly.
8053 (assemble_end_function): Likewise.
8055 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8058 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8061 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8063 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8066 * system.h (ICE_EXIT_CODE): New macro.
8067 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8068 (diagnostic_action_after_output): Likewise.
8069 * gcc.c (fatal_ice): New function.
8070 (execute): Use it instead of fatal.
8071 (fancy_abort): Likewise.
8072 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8074 2006-03-22 Jeff Law <law@redhat.com>
8076 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8077 iv_analyze_result returning false.
8079 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8081 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8083 2006-03-22 Richard Henderson <rth@redhat.com>
8086 * except.c (duplicate_eh_regions_0): New.
8087 (duplicate_eh_region_1): Duplicate the children of the node as
8088 well as the node itself. Link them up properly.
8089 (duplicate_eh_region_2): Merge into ...
8090 (duplicate_eh_regions): ... here. Take copy_region argument, and
8091 copy only a sub-tree if asked. Simplify copying and fixup.
8092 (eh_region_outer_p): New.
8093 * except.h (duplicate_eh_regions): Update decl.
8094 (eh_region_outer_p): Declare.
8095 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8096 (lower_omp_master): Likewise.
8097 (lower_omp_ordered): Likewise.
8098 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8099 (move_stmt_r): Use it to remap labels. Handle recursion vs
8100 remap_decls_p properly.
8101 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8102 (find_outermost_region_in_block): New.
8103 (new_label_mapper): New.
8104 (move_sese_region_to_fn): Copy eh information to the new function
8106 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8108 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8111 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8113 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8114 into shared libraries.
8116 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8118 * doc/md.texi: Refer to i386/constraints.md instead of
8120 * config/i386/constraints.md: New file, extracted from...
8121 * config/i386/predicates.md: ...here.
8122 * config/i386/i386.md: Include constraints.md.
8124 2006-03-21 Jason Merrill <jason@redhat.com>
8126 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8129 * expr.c (init_block_move_fn): Force default visibility.
8130 (init_block_clear_fn): Likewise.
8131 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8132 * targhooks.c (default_external_stack_protect_fail): Likewise.
8134 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8136 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8137 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8138 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8139 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8140 (loadgp): Use mips_current_loadgp_style.
8141 (loadgp_noshared): New pattern.
8142 (sibcall_internal): Use MIPS_CALL.
8143 (sibcall_value_internal): Likewise.
8144 (sibcall_value_multiple_internal): Likewise.
8145 (call_internal): Likewise.
8146 (call_value_internal): Likewise.
8147 (call_value_multiple_internal): Likewise.
8148 (call_split): Use MIPS_CALL and add an 'S' constraint.
8149 (call_value_split): Likewise.
8150 (call_value_multiple_split): Likewise.
8151 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8152 (-mshared): New option.
8153 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8154 (mips_current_loadgp_style): Declare.
8155 * config/mips/mips.c (mips_classify_symbol): Avoid using
8156 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8157 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8158 TARGET_ABSOLUTE_ABICALLS.
8159 (override_options): Adjust comments. Improve the warning that is
8160 issued when -mabicalls and -G are used together.
8161 (mips_file_start): Remove comment.
8162 (mips_current_loadgp_style): New function.
8163 (mips_gnu_local_gp): New variable.
8164 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8166 (mips_output_function_prologue): Use mips_current_laodgp_style.
8167 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8168 the cprestore instruction.
8169 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8170 live for TARGET_ABSOLUTE_ABICALLS.
8171 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8172 (ASM_SPEC): Pass down -mshared and -mno-shared.
8173 (MIPS_CALL): New macro.
8174 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8176 * doc/invoke.texi (-mabicalls): Update documentation.
8177 (-mshared): Document.
8179 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8181 * config/ia64/unwind-hpux.c: New file.
8182 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8184 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8187 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8189 2006-03-21 Jeff Law <law@redhat.com>
8191 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8192 type conversions of a VR_VARYING source to a wider type.
8194 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8196 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8197 tm_file on Solaris 10 and later.
8198 (sparc64-*-solaris2*): Likewise.
8199 (sparc-*-solaris2*): Likewise.
8200 * config/sol26.h: Rename to config/sol2-6.h.
8201 * config/sol2-10.h: New file.
8203 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8206 * tree-ssa-pre.c (create_component_ref_by_pieces):
8209 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8212 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8213 return it immediately.
8215 2006-03-21 Michael Matz <matz@suse.de>
8217 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8219 (remove_arc, add_arc): Update num_out_arcs member.
8220 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8222 (cache_presence): New function.
8223 (compare_states_for_equiv): New function.
8224 (state_is_differed): Don't take number of outargs, adjust callers.
8225 Use new invariant for speeding up.
8226 (init_equiv_class): Create initial classes based on sorted
8228 (partition_equiv_class): Don't track out_arcs_num.
8229 (evaluate_equiv_classes): Call cache_presence on all states and
8232 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8234 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8235 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8236 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8237 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8239 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8240 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8241 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8242 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8243 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8245 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8246 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8247 (REGNO_REG_CLASS): ARGP is in PREGS.
8248 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8250 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8251 to deal with those addresses.
8252 * addresses.h: New file.
8253 * caller-save.c: Include "addresses.h".
8254 (init_caller_save): Use new base_reg_class function.
8255 * rtl-factoring.c: Include "addresses.h".
8256 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8257 * recog.c: Include "addresses.h".
8258 (preprocess_constraints): Use new base_reg_class function.
8259 * regrename.c: Include "addresses.h".
8260 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8261 functions. Keep track of a new var INDEX_CODE to compute valid
8263 (replace_oldest_value_addr): Likewise.
8264 (replace_oldest_value_mem): Use base_reg_class.
8265 * reload.c: Include "addresses.h".
8266 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8267 (find_reloads): Use new base_reg_class function.
8268 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8269 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8270 all callers and prototype changed.
8271 * reload1.c: Include "addresses.h".
8272 (maybe_fix_stack_asms): Use base_reg_class.
8273 * regclass.c: Include "addresses.h".
8274 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8275 (init_reg_autoinc): Use new base_reg_class function.
8276 (record_reg_classes): Likewise.
8277 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8278 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8279 Use new args to compute necessary class.
8281 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8282 regrename.o, rtl-factoring.o): Update dependencies.
8283 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8284 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8285 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8286 REG_OK_FOR_INDEX_P): Delete documentation.
8288 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8290 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8291 from V7 to V9 for Solaris 7 and above.
8293 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8295 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8296 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8297 argument pointers may not alias any other storage.
8298 * common.opt: Define option -fargument-noalias-anything.
8299 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8300 alias semantics is specified by flag_argument_noalias > 2.
8302 2006-03-20 Jeff Law <law@redhat.com>
8304 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8305 (pass_phi_only_cprop): Declare.
8306 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8308 * tree-ssa-dom.c (degenerate_phi_result): New function.
8309 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8310 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8311 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8312 (eliminate_degenerate_phis): Likewise.
8313 (pass_phi_only_cprop): New pass descriptor.
8314 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8315 support code. Callers updated.
8316 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8317 (store_copy_prop): Likewise.
8318 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8320 2006-03-20 Jason Merrill <jason@redhat.com>
8323 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8324 (push_visibility, pop_visibility): Likewise.
8325 * c-pragma.h: Declare them.
8327 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8329 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8331 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8332 parameter and use get_ebb_head_tail.
8333 (sh_md_init_global): Adjust uses of find_regmode_weight.
8335 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8337 * function.h (struct function) <x_tail_recursion_reentry>:
8338 Rename to x_stack_check_probe_note.
8339 (tail_recursion_reentry): Rename to stack_check_probe_note.
8340 * function.c: Replace tail_recursion_reentry with
8341 stack_check_probe_note everywhere.
8342 (expand_function_start): Only emit a note for
8343 stack_check_probe_note with -fstack-protect.
8344 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8346 * emit-rtl.c (remove_unnecessary_notes): Remove.
8347 (pass_remove_unnecessary_notes): Remove.
8348 * rtl.h (remove_unnecessary_notes): Remove prototype.
8349 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8350 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8351 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8353 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8356 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8357 (valid_in_set): Handle ARRAY_REF.
8358 Change "if min_variant or VH" to asserts.
8359 (create_component_ref_by_pieces): Handle ARRAY_REF.
8360 (create_expression_by_pieces): Likewise.
8361 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8363 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8365 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8366 is operand of switch, not str[0].
8368 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8370 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8371 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8373 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8375 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8376 end of insn_extra_address_constraint declaration.
8378 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8380 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8381 (no-sum-in-toc): Same.
8382 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8384 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8385 NO_FP_IN_TOC for -fPIC instead of mask.
8387 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8388 (BOOT_LDFLAGS): Delete.
8390 * config/rs6000/t-aix52: Same.
8392 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8393 (stmsi[345678]_power): New.
8395 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8397 * config/ia64/ia64.opt: Add empty line to end of file.
8399 2006-03-17 Richard Guenther <rguenther@suse.de>
8402 * builtins.c (get_pointer_alignment): For component style references
8403 adjust alignment to the component type alignment. Make sure
8404 to adjust alignment for component access of constants.
8406 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8408 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8411 2006-03-17 Paul Brook <paul@codesourcery.com>
8413 * doc/install.texi: Docuemnt --with-mode.
8414 * config.gcc: Add --with-mode for arm*-*-*.
8415 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8417 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8419 * sh.c (max_labelno_before_reorg): New variable.
8420 (sh_reorg): Initialize it.
8421 (find_barrier): Check max_labelno_before_reorg before using
8422 label_to_alignment. Take length of explicit alignment insns
8423 into account. When seeing a UNSPECV_CONST_END, return it.
8425 * sh.c (fixup_mova): Set mode of affected label to QImode.
8426 (untangle_mova): New function.
8427 (find_barrier): Use it. Check mode of label before decrementing
8429 (sh_reorg): Likewise.
8430 Set mode of all insns back to VOIDmode.
8432 * sh.c (MOVA_LABELREF): New macro.
8433 (mova_p, fixup_mova, sh_reorg): Use it.
8434 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8435 ADDR_DIFF_VEC matches mova.
8437 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8439 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8440 with ATTRIBUTE_UNUSED.
8442 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8444 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8445 pointer, instead of assuming it is possible to derive the
8446 correct args size from a call insn.
8448 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8450 * rtl.h (CONST_INT_P): Define.
8451 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8452 instead of GET_CODE(x) == CONST_INT.
8453 (vax_rtx_costs): Likewise.
8454 (vax_output_int_move): Likewise.
8455 (vax_output_int_add): Likewise.
8456 (legitimate_constant_address_p): Likewise.
8457 (index_term_p): Likewise.
8458 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8459 * config/vax/vax.md (and<mode>3): Likewise.
8460 (ashrsi3): Likewise.
8462 (movstricthi): Likewise.
8463 (movstrictqi): Likewise.
8464 (rotrsi3): Likewise.
8465 (five unnamed insns): Likewise.
8467 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8469 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8470 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8471 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8472 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8473 Pass to ASM_OUTPUT_DWARF_OFFSET.
8474 * dwarf2out.c (debug_frame_section): New.
8475 (output_call_frame_info): Use debug_frame_section. Pass it to
8476 dw2_asm_output_offset.
8477 (output_die): Pass appropriate section to dw2_asm_output_offset.
8478 (output_compilation_unit_header): Likewise.
8479 (output_pubnames): Likewise.
8480 (output_aranges): Likewise.
8481 (enum dw_val_class): Break dw_val_class_lbl_offset into
8482 dw_val_class_lineptr and dw_val_class_macptr.
8483 (add_AT_lbl_offset): Delete.
8484 (add_AT_lineptr): New.
8485 (add_AT_macptr): New.
8486 (AT_lbl): Expect a lineptr or macptr.
8487 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8488 (attr_checksum): Likewise.
8489 (same_dw_val_p): Likewise.
8490 (size_of_die): Likewise.
8491 (value_format): Likewise.
8492 (output_die): Likewise.
8493 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8495 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8496 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8497 * config/darwin-protos.h (darwin_file_start): New.
8498 (darwin_asm_output_dwarf_offset): New.
8499 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8500 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8502 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8503 if not EH section; simplify.
8504 (darwin_file_start): New.
8505 (darwin_asm_output_dwarf_offset): New.
8506 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8508 (DEBUG_INFO_SECTION): Likewise.
8509 (DEBUG_ABBREV_SECTION): Likewise.
8510 (DEBUG_ARANGES_SECTION): Likewise.
8511 (DEBUG_MACINFO_SECTION): Likewise.
8512 (DEBUG_LINE_SECTION): Likewise.
8513 (DEBUG_LOC_SECTION): Likewise.
8514 (DEBUG_PUBNAMES_SECTION): Likewise.
8515 (DEBUG_STR_SECTION): Likewise.
8516 (DEBUG_RANGES_SECTION): Likewise.
8517 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8518 (ASM_OUTPUT_DWARF_OFFSET): New.
8520 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8522 * config.gcc (tm_defines): Always add to previous value rather
8525 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8527 * config/mips/predicates.md (splittable_const_int_operand): New,
8528 split from move_operand.
8529 (splittable_symbolic_operand): New.
8530 (move_operand): Add commentary. Use splittable_const_int_operand.
8531 Inline mips_atomic_symbolic_constant_p.
8532 * config/mips/mips.md: Add combine splitters for handling moves
8533 of splittable_const_int_operands and splittable_symbolic_operands.
8534 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8535 (mips_split_symbol): Declare.
8536 (mips_move_integer): Declare.
8537 * config/mips/mips.c (mips_split_p): Make global.
8538 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8539 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8540 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8541 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8542 (mips_offset_within_object_p): Handle block symbols.
8543 (mips_atomic_symbolic_constant_p): Delete.
8544 (mips_cannot_force_const_mem): Return false for constants that
8545 mips_legitimize_move can handle.
8546 (mips_use_blocks_for_constant_p): New function.
8547 (mips_split_symbol): Make global.
8548 (mips_move_integer): Likewise. Add a temporary register argument.
8549 (mips_legitimize_const_move): Use splittable_const_int_operand and
8550 splittable_symbolic_operand.
8551 (mips_use_anchors_for_symbol_p): New function.
8552 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8553 (mips_split_p): Declare.
8555 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8557 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8558 (mips*-*-linux*): Likewise.
8560 2006-03-16 Roger Sayle <roger@eyesopen.com>
8561 Daniel Speyer <dspeyer@wam.umd.edu>
8564 * tree-dump.c (dump_real): New function.
8565 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8566 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8567 (tree-dump.o): Add $(REAL_H) to the dependencies.
8569 2006-03-16 Roger Sayle <roger@eyesopen.com>
8572 * real.c (real_from_string): If the mantissa is zero, don't bother
8573 parsing the exponent as the result should always be zero.
8575 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8577 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8579 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8581 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8582 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8583 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8584 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8585 ia64_sched_finish_global): New static functions to implement
8586 hooks from gcc_target.sched.
8587 (spec_check_no, max_uid, pending_data_specs): New static variables.
8588 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8589 ia64_spec_check_src_p): New static functions.
8590 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8591 (TARGET_SCHED_ADJUST_COST): Removed.
8592 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8593 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8594 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8595 TARGET_SCHED_GEN_CHECK,
8596 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8597 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8598 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8599 Fixed to handle speculation checks.
8600 (rtx_needs_barrier): Fixed to handle speculative loads and
8602 (ia64_variable_issue): Added code to count speculative loads and their
8604 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8606 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8608 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8610 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8611 (ia64_reorg): Reset stops_p to NULL after it is freed.
8612 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8613 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8614 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8616 (data_speculative, control_speculative, check_load): New attributes.
8617 (mov<mode>_advanced, mov<mode>_speculative,
8618 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8619 zero_extend<mode>di2_speculative,
8620 zero_extend<mode>di2_speculative_advanced): New patterns for
8621 data and control speculative loads.
8622 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8624 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8625 New pattern for data and control speculation checks.
8626 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8627 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8628 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8629 Auxiliary definitions for the patterns.
8630 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8631 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8633 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8635 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8636 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8637 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8638 New resource constraints.
8639 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8641 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8642 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8643 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8644 msched-in-control-spec, msched-ldc, msched-control-ldc,
8645 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8646 msched-prefer-non-control-spec-insns,
8647 msched-count-spec-in-critical-path): New flags to tune speculative
8649 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8650 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8651 msched-in-control-spec, msched-ldc, msched-control-ldc,
8652 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8653 msched-prefer-non-control-spec-insns,
8654 msched-count-spec-in-critical-path): Document new flags.
8656 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8658 * target.h (struct spec_info_def): New opaque declaration.
8659 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8660 speculate_insn, needs_block_p, gen_check,
8661 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8662 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8663 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8664 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8665 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8666 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8668 (TARGET_SCHED): Use new macros.
8669 * rtl.h (copy_DEPS_LIST_list): New prototype.
8670 * sched-int.h (struct sched_info): Change signature of new_ready field,
8671 adjust all initializations. New fields: add_remove_insn,
8672 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8673 region_head_or_leaf_p.
8674 (struct spec_info_def): New structure declaration.
8675 (spec_info_t): New typedef.
8676 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8677 recovery_block, orig_pat.
8678 (glat_start, glat_end): New variables declaraions.
8679 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8681 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8682 DETACH_LIFE_INFO, USE_GLAT.
8683 (enum SPEC_SCHED_FLAGS): New enumeration.
8684 (NOTE_NOTE_BB_P): New macro.
8685 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8686 attach_life_info, debug_spec_status, check_reg_live): New functions.
8687 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8688 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8690 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8691 * ddg.c (get_block_head_tail): Adjust all uses.
8692 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8693 (sms_sched_info): Initialize new fields.
8694 (contributes_to_priority): Removed.
8695 * haifa-sched.c (params.h): New include.
8696 (get_block_head_tail): Adjust all uses.
8697 (ISSUE_POINTS): New macro.
8698 (glat_start, glat_end): New global variables.
8699 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8700 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8701 old_last_basic_block, before_recovery, current_sched_info_var,
8702 rgn_n_insns, luid): New static variables.
8703 (insn_cost1): New function. Move logic from insn_cost to here.
8704 (find_insn_reg_weight1): New function. Move logic from
8705 find_insn_reg_weight to here.
8706 (reemit_notes, move_insn, max_issue): Change signature.
8707 (move_insn1): Removed.
8708 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8709 extend_bb): New static functions to support extension of scheduler's
8711 (generate_recovery_code, process_insn_depend_be_in_spec,
8712 begin_speculative_block, add_to_speculative_block,
8713 init_before_recovery, create_recovery_block, create_check_block_twin,
8714 fix_recovery_deps): New static functions to support
8715 generation of recovery code.
8716 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8717 restore_bb_notes, move_block_after_check, move_succs): New static
8718 functions to support ebb scheduling.
8719 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8720 functions to support handling of register live information.
8721 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8722 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8723 add_jump_dependencies): New static functions.
8724 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8725 consistancy checking.
8726 (debug_spec_status): New function to call from debugger.
8727 (priority): Added code to handle speculation checks.
8728 (rank_for_schedule): Added code to distinguish speculative instructions.
8729 (schedule_insn): Added code to handle speculation checks.
8730 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8731 Fixed to handle ebbs.
8732 (move_insn): Added code to handle ebb scheduling.
8733 (max_issue): Added code to use ISSUE_POINTS of instructions.
8734 (choose_ready): Added code to choose between speculative and
8735 non-speculative instructions.
8736 (schedule_block): Added code to handle ebb scheduling and scheduling of
8737 speculative instructions.
8738 (sched_init): Initialize new variables.
8739 (sched_finish): Free new variables. Print statistics.
8740 (try_ready): Added code to handle speculative instructions.
8741 * lists.c (copy_DEPS_LIST_list): New function.
8742 * sched-deps.c (extend_dependency_caches): New function. Move logic
8743 from create_dependency_caches to here.
8744 (get_dep_weak, ds_merge): Make global.
8745 * genattr.c (main): Code to output prototype for
8746 dfa_clear_single_insn_cache.
8747 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8748 (output_dfa_clean_insn_cache_func): Code to output
8749 dfa_clear_single_insn_cache function.
8750 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8752 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8754 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8755 New static variables.
8756 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8757 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8759 (ebb_sched_info): Initialize new fields.
8760 (get_block_head_tail): Adjust all uses.
8761 (compute_jump_reg_dependencies): Fixed to use glat_start.
8762 (schedule_ebb): Code to remove unreachable last block.
8763 (schedule_ebbs): Added code to update register live information.
8764 * sched-rgn.c (region_sched_info): Initialize new fields.
8765 (get_block_head_tail): Adjust all uses.
8766 (last_was_jump): Removed. Adjust users.
8767 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8768 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8769 Implement new hooks.
8770 (check_dead_notes1): New static function.
8771 (struct region): New fields: dont_calc_deps, has_real_ebb.
8772 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8773 (BB_TO_BLOCK): Fixed to handle EBBs.
8774 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8775 (ebb_head): New static variable.
8776 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8777 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8779 (compute_dom_prob_ps): New assertion.
8780 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8781 global_live_at_start.
8782 (init_ready_list): New assertions.
8783 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8784 (new_ready): Add support for BEGIN_CONTROL speculation.
8785 (schedule_insns): Fixed code that updates register live information
8787 (schedule_region): Fixed to handle EBBs.
8788 (init_regions): Use extend_regions and check_dead_notes1.
8789 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8790 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8791 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8792 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8793 TARGET_SCHED_GEN_CHECK,
8794 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8795 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8796 * doc/invoke.texi (max-sched-insn-conflict-delay,
8797 sched-spec-prob-cutoff): Document.
8799 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8801 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8802 inter_tick, queue_index.
8803 (struct sched_info): Change signature of init_ready_list field.
8804 Adjust all initializations.
8805 (RESOLVED_DEPS): New access macro.
8806 (ready_add): Remove prototype.
8807 (try_ready): Add prototype.
8808 * sched-rgn.c (init_ready_list): Use try_ready.
8809 (schedule_region): Initialize
8810 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8811 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8812 (init_ready_list): Use try_ready.
8813 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8814 * lists.c (remove_list_elem): Remove `static'.
8815 (remove_free_INSN_LIST_elem): New function.
8816 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8817 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8818 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8820 (readyp): New variable.
8821 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8822 change_queue_index, resolve_dep): New static functions.
8823 (try_ready): New function. Adjust callers in sched-rgn.c and
8824 sched-ebb.c to use it instead of ready_add.
8825 (clock_var): Move at the begining of file.
8826 (rank_for_schedule): Fix typo.
8827 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8828 (ready_lastpos): Enforce assertion.
8829 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8831 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8832 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8833 (queue_to_ready): Use free_INSN_LIST_list.
8834 (early_queue_to_ready): Fix typo.
8835 (schedule_block): Init readyp. Move init_ready_list call after the
8836 initialization of clock_var. Fix error in rejecting insn by
8837 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8838 that previously corrected INSN_TICKs. Add code for handling
8840 (set_priorities): Fix typo.
8841 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8842 Clarify comment and code that keeps current_sched_info->next_tail
8845 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8847 * sched-rgn.c (extend_rgns): New static function.
8848 (find_rgns): Use it.
8849 (gather_region_statistics, print_region_statistics): New static
8851 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8852 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8854 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8855 Andrey Belevantsev <abel@ispras.ru>
8857 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8858 * lists.c (unused_deps_list): New variable.
8859 (free_list): Add assertions to verify the proper distinguishing
8860 between INSN_LISTs and DEPS_LISTs.
8861 (find_list_elem, remove_list_elem, remove_list_node): New static
8863 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8864 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8865 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8866 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8868 (free_INSN_LIST_node): Likewise.
8869 * modulo-sched.c (current_sched_info): Initialize flags field.
8870 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8871 * rtl.def (DEPS_LIST): Define.
8872 * rtl.h: Declare new functions from lists.c.
8873 * sched-deps.c (spec_dependency_cache): New static variable.
8874 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8875 (add_dependence): Change return type to void. Move the logic to ...
8876 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8877 (delete_all_dependences): Add comment about forward_dependency_cache.
8878 Handle spec_dependency_cache. Handle DEPS_LISTs.
8879 (fixup_sched_groups): Clarify the change of priority of output
8880 and anti dependencies.
8881 (sched_analyze_2): Adjust add_dependence calls to create data
8882 speculative dependence.
8883 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8884 Adjust all callers. Handle DEPS_LISTS.
8885 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8886 presence of speculation.
8887 (init_dependency_caches, free_dependency_caches):
8888 Handle spec_dependency_cache.
8889 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8890 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8891 New static functions.
8892 (add_or_update_back_dep, add_or_update_back_forw_dep,
8893 add_back_forw_dep, delete_back_forw_dep): New functions.
8894 * sched-int.h (ds_t, dw_t): New typedefs.
8895 (struct sched_info): Add new field flags.
8896 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8897 Prototype new sched-deps.c functions.
8898 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8899 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8900 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8901 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8902 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8903 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8905 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8907 * sched-rgn.c (current_sched_info): Initialize flags field.
8908 (schedule_insns): Initialize current_sched_info before the sched_init
8910 * sched-ebb.c (current_sched_info): Initialize flags field.
8911 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8912 Call add_or_update_back_dep instead of add_dependence.
8913 Create control speculative dependencies.
8914 (schedule_insns): Initialize current_sched_info before the sched_init
8917 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8919 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8921 (sh_fallback_frame_state): Likewise.
8923 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8925 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8926 Do switch on default_use_cxa_atexit.
8927 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8928 * config/darwin-crt3.o: New.
8929 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8930 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8931 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8933 * config/rs6000/t-darwin: Move crt2.o building to here.
8934 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8935 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8938 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8940 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8941 from '! xxx' to '!xxx' for coding-style conformance.
8942 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8943 (EXTRA_CONSTRAINT): Likewise.
8944 * config/vax/vax.md (four unnamed insns): Likewise.
8946 2006-03-15 Paul Brook <paul@codesourcery.com>
8948 * config/arm/arm.c (minipool_pad): New.
8949 (add_minipool_forward_ref): Include pool alignment padding in address
8951 (push_minipool_fix): Set minipool_pad.
8952 (minipool_pad): Ditto.
8954 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8956 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8957 instead of GET_CODE() == MEM and REG_P() instead of
8959 (print_operand_address): Likewise.
8960 (vax_address_cost): Likewise.
8961 (vax_rtx_costs): Likewise.
8962 (vax_notice_update_cc): Likewise.
8963 (vax_output_int_add): Likewise.
8964 (INDEX_REGISTER_P): Likewise.
8965 (BASE_REGISTER_P): Likewise.
8966 (nonindexed_address_p): Likewise.
8967 (vax_mode_dependent_address_p): Likewise.
8968 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8969 (PRINT_OPERAND): Likewise.
8970 * config/vax/vax.md (ashlsi3): Likewise.
8971 (ashlsi3): Likewise.
8972 (some more unnamed insns): Likewise.
8974 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8976 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8977 iterator-style macro.
8978 (mark_control_dependent_edges_necessary): Update the use of
8979 EXECUTE_IF_CONTROL_DEPENDENT.
8981 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8983 * config/sh/predicates.md (cache_address_operand): Special.
8984 (ua_address_operand): Likewise.
8986 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8988 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8990 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8992 2006-03-15 Andreas Schwab <schwab@suse.de>
8994 * gensupport.c (identify_predicable_attribute): Don't free p_false
8995 when it is still in use.
8997 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8999 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9000 the default setting here.
9002 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9004 * tree-pass.h (pass_cfg): Remove.
9005 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9006 * passes.c (pass_cfg): Don't run it.
9008 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9010 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9011 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9013 (stack_regs_mentioned): Update the uses of
9014 stack_regs_mentioned_data. Don't access the array beyond its
9016 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9017 Don't include gt-reg-stack.h.
9019 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9020 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9022 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9025 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9028 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9030 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9032 2006-03-14 Richard Guenther <rguenther@suse.de>
9034 PR tree-optimization/26672
9035 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9038 2006-03-14 Richard Guenther <rguenther@suse.de>
9040 PR tree-optimization/26667
9041 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9042 node for the callees. Always allow inlining if it will shrink
9045 2006-03-14 Richard Guenther <rguenther@suse.de>
9048 * builtins.c (get_pointer_alignment): Prefer alignment
9049 information from decls over that from types.
9051 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9054 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9056 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9058 * config/rs6000/rs6000.opt (mdlmzb): New option.
9059 (msched-prolog, msched-epilog): Use Var not Mask.
9060 * doc/invoke.texi (-mdlmzb): Document.
9061 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9063 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9064 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9066 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9068 PR rtl-optimization/25739
9069 * bt-load.c (augment_live_range): Free tos pointer.
9071 * gensupport.c (identify_predicable_attribute): Free
9073 * gcov.c (create_file_names): Free name pointer.
9075 2006-03-13 Roger Sayle <roger@eyesopen.com>
9078 * stmt.c (emit_case_nodes): Handle the case where the index is a
9079 CONST_INT, where the comparison mode is specified by the index type.
9081 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9083 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9086 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9088 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9089 (*branch_fp_inverted): Likewise.
9091 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9094 * omp-low.c (expand_omp_for_generic): Mark istart0
9095 and iend0 as addressable.
9097 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9099 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9101 2006-03-13 Jeff Law <law@redhat.com>
9103 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9104 virtual operands are interesting.
9105 (vrp_visit_stmt): Corresponding changes.
9107 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9109 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9111 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9112 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9113 * config/bfin/crti.S: Use it instead of __PIC__.
9114 * config/bfin/crtn.S: Likewise.
9116 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9117 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9119 Lose 'G' modifier for call operand.
9120 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9121 recognize 'G' modifier.
9123 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9126 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9127 * stmt.c (expand_case): Likewise.
9129 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9131 PR rtl-optimization/26254
9132 * loop-invariant.c (seq_insns_valid_p): New function.
9133 (move_invariant_reg): Only emit new code if it is valid.
9135 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9137 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9139 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9140 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9141 (commit_one_edge_insertion): Do not look for loop notes.
9143 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9145 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9146 flag_test_coverage out of loop.
9148 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9150 * final.c (shorten_branches): Remove outdated comment, and turn
9151 the if branch that guards it to continue.
9153 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9155 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9156 * cfgloop.h (struct loop): Remove unused fields.
9158 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9160 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9161 (-dL, -fdump-rtl-loop2): Update the dump file names
9163 * doc/invoke.texi: Update dump file names.
9165 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9167 * predict.c (estimate_probability): Remove.
9168 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9169 * basic-block.h (estimate_probability): Remove prototype.
9170 * passes.c (finish_optimization_passes): Dump branch prediction or
9171 profiling heuristics to the .profile tree dump.
9172 (init_optimization_passes): Unqueue pass_branch_prob.
9174 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9176 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9178 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9179 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9181 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9183 * function.h (frame_offset_overflow): Declare.
9184 * function.c (frame_offset_overflow): New function.
9185 (assign_stack_local_1): Call it to detect that the offset overflows.
9186 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9188 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9190 * config/sh/sh.c: Include alloc-pool.h.
9191 (label_ref_list_pool): New alloc pool.
9192 (label_ref_list_t): New type for lists of labels.
9193 (struct pool_node): Make wend a label_ref_list_t.
9194 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9196 (dump_table): Likewise.
9197 (sh_reorg): Set up the alloc pool before using add_constant and
9198 dump_table, and destroy it when finishing.
9200 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9202 * config/mips/mips.c: Remove redundant comment.
9204 2006-03-10 Jason Merrill <jason@redhat.com>
9207 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9208 the target was declared 'register'.
9210 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9212 * genpreds.c (write_insn_constraint_len): Change definition of
9213 insn_constraint_len to return size_t to match the declaration.
9215 2006-03-10 DJ Delorie <dj@redhat.com>
9217 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9219 (m32c_expand_insv): Fix test for an AND mask.
9221 2006-03-10 Richard Guenther <rguenther@suse.de>
9224 * builtins.c (get_pointer_alignment): Handle component
9225 references for field alignment.
9227 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9229 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9230 when building with libgloss.
9231 (sh*elf): Implement --without-fp option.
9232 (sh64-superh-linux*): Don't multilib.
9234 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9236 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9238 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9240 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9241 Set it when one of the replacement functions returned true.
9242 Return TODO_cleanup_cfg if cfgchanged is true.
9243 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9245 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9247 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9248 instead of gen_lowpart.
9250 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9252 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9254 (mips_output_order_conditional_branch): Declare.
9255 * config/mips/mips.h (MIPS_BRANCH): New macro.
9256 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9257 for the comparison. Use gen_condjump.
9258 (mips_output_conditional_branch): Rework interface to take the
9259 asm templates for a direct branch and the inverse of a direct branch.
9260 (mips_output_order_conditional_branch): New function.
9261 (mips_builtin_branch_and_move): New function.
9262 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9263 branch condition. Use gen_single_cc as the condition for
9264 __builtin_mips_upper_* or __builtin_mips_lower_*.
9265 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9266 Use VOIDmode for the branch condition.
9267 * config/mips/predicates.md (order_operator): New predicate.
9268 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9269 (branch_fp): Rename to...
9270 (*branch_fp): ...this. Remove mode from comparison operator.
9271 Use new mips_output_conditional_branch interface.
9272 (branch_fp_inverted): Rename to...
9273 (*branch_fp_inverted): ...this and update as for *branch_fp.
9274 (*branch_zero<mode>): Rename to...
9275 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9276 Use mips_output_order_conditional_branch. Only accept ordered
9278 (*branch_zero<mode>_inverted): Rename to...
9279 (*branch_order<mode>_inverted): ...this and update as for
9280 *branch_order<mode>.
9281 (*branch_equality<mode>): Accept zero as the second operand to
9282 the equality operator. Use the new mips_output_conditional_branch
9284 (*branch_equality<mode>_inverted): Likewise.
9285 (condjump): New expander.
9286 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9288 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9289 (bc1any2t, bc1any2f): Likewise.
9290 (single_cc): New expander.
9291 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9293 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9295 * doc/md.texi: Update documentation of MIPS constraints.
9296 * config/mips/constraints.md: New file.
9297 * config/mips/mips.md: Include it.
9298 * config/mips/mips.c (mips_char_to_class): Delete.
9299 (override_options): Don't initialize mips_char_to_class.
9300 * config/mips/mips.h (mips_char_to_class): Delete.
9301 (REG_CLASS_FROM_LETTER): Delete.
9302 (CONST_OK_FOR_LETTER_P): Delete.
9303 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9304 (EXTRA_CONSTRAINT_Y): Delete.
9305 (EXTRA_CONSTRAINT_STR): Delete.
9306 (CONSTRAINT_LEN): Delete.
9307 (EXTRA_MEMORY_CONSTRAINT): Delete.
9309 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9311 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9312 original fn's eh regions.
9314 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9316 * fold-const.c (build_range_check): Make sure to use a valid type to
9317 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9320 (range_predecessor): New static function.
9321 (range_successor): Likewise.
9322 (merge_ranges): Use them to compute predecessors and successors of
9325 2006-03-09 Roger Sayle <roger@eyesopen.com>
9328 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9329 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9331 2006-03-08 DJ Delorie <dj@redhat.com>
9333 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9334 (addpsi3): Expand to include memory operands. Remove
9335 reload-specific splits.
9336 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9337 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9338 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9339 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9340 (shift1_qi, shift1_hi, insv): New.
9341 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9342 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9343 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9345 * config/m32c/m32c-protos.h: Update as needed.
9346 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9347 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9348 Fail for unrecognized R* constraints.
9349 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9350 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9351 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9353 (m32c_init_libfuncs): New.
9354 (m32c_legitimate_address_p): Add debug wrapper.
9355 (m32c_rtx_costs): New.
9356 (m32c_address_cost): New.
9357 (conversions): Add 'B' prefix.
9358 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9359 operands, or word regnames for QI operands. 'B' prints bit
9361 (m32c_expand_setmemhi): New.
9362 (m32c_expand_movmemhi): New.
9363 (m32c_expand_movstr): New.
9364 (m32c_expand_cmpstr): New.
9365 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9366 (m32c_expand_neg_mulpsi3): Handle non-ints.
9367 (m32c_cmp_flg_0): New.
9368 (m32c_expand_movcc): New.
9369 (m32c_expand_insv): New.
9370 (m32c_scc_pattern): New.
9371 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9372 a0/a1 out of SIregs.
9373 (STORE_FLAG_VALUE): New.
9374 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9377 * config/m32c/mov.md: Make constraints more liberal.
9378 (zero_extendqihi2): Optimize r0/r1 case.
9379 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9380 * config/m32c/predicates.md (m32c_any_operand): New.
9381 (m32c_nonimmediate_operand): New.
9382 (m32c_hl_operand): New.
9383 (m32c_r3_operand): New.
9386 (memsym_operand): New.
9387 (memimmed_operand): New.
9388 (a_qi_operand): New.
9389 (m32c_eqne_operator): New.
9390 (m32c_1bit8_operand): New.
9391 (m32c_1bit16_operand): New.
9392 (m32c_1mask8_operand): New.
9393 (m32c_1mask16_operand): New.
9394 * config/m32c/blkmov.md: New file.
9395 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9397 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9399 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9400 unsigned to fix signed/unsigned comparison issue in
9401 DWARF2_FRAME_REG_OUT.
9402 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9403 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9405 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9406 of ptr into the ENABLE_CHECKING section.
9408 2006-03-08 Jeff Law <law@redhat.com>
9410 * tree-vrp.c (infer_value_range): Only count pointer uses
9411 and dereferences if -fdelete-null-pointer-checks is enabled.
9413 * tree-vrp.c (find_assert_locations): Infer value ranges for
9414 single use pointers, but do not create ASSERT_EXPRs for them.
9415 When a non-null range is inferred for a pointer, backwards
9416 propagate that range to other equivalent pointers through the
9419 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9422 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9423 language hook targets.
9424 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9425 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9426 if language hook targets were missing.
9428 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9430 * tree-ssa-opfinalize.h: Removed.
9431 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9433 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9434 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9435 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9436 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9437 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9438 finalize_ssa_v_must_def_ops): New.
9440 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9442 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9445 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9447 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9449 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9450 addresses with offsets; reorganize.
9452 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9453 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9454 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9456 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9459 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9461 2006-03-08 Ben Elliston <bje@au.ibm.com>
9463 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9465 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9468 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9471 2006-03-07 Richard Guenther <rguenther@suse.de>
9473 PR tree-optimization/26587
9474 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9476 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9478 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9480 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9482 * hooks.c (hook_bool_mode_rtx_true): New function.
9483 * hooks.h (hook_bool_mode_rtx_true): Declare.
9484 * toplev.c (compile_file): Call output_shared_constant_pool.
9485 * varasm.c (shared_constant_pool): New variable.
9486 (assemble_start_function, assemble_end_function): Remove arguments
9487 from call to output_constant_pool.
9488 (create_constant_pool): New function, split out from...
9489 (init_varasm_status): ...here.
9490 (force_const_mem): Choose between the shared and per-function constant
9491 pools. Set current_function_uses_const_pool when reusing old entries
9492 as well as when creating new ones.
9493 (mark_constant): Ignore data argument.
9494 (mark_constants): Remove pool argument.
9495 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9496 to decide whether the function uses a constant pool.
9497 (output_constant_pool_contents): New function, split out from...
9498 (output_constant_pool): ...here.
9499 (output_shared_constant_pool): New function.
9500 (init_varasm_once): Initialize shared_constant_pool.
9501 * output.h (output_constant_pool): Delete.
9502 (output_shared_constant_pool): Declare.
9503 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9504 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9506 2006-03-06 Nick Clifton <nickc@redhat.com>
9508 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9509 flag_strength_reduce.
9511 2006-03-06 Ben Elliston <bje@au.ibm.com>
9513 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9514 x86_64-*-linux* configurations.
9516 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9517 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9519 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9521 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9523 * basic-block.h: Remove the extern for
9524 rediscover_loops_after_threading.
9526 * cfgloop.c (cancel_loop): Make it static.
9527 * cfgloop.h: Remove the prototype for cancel_loop.
9529 * flow.c (recompute_reg_usage): Make it static.
9530 * rtl.h: Remove the prototype for recompute_reg_usage.
9532 * function.c (use_return_register): Make it static.
9533 * function.h: Remove the prototype.
9535 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9537 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9539 * recog.h: Remove the prototype for
9540 validate_change_maybe_volatile.
9542 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9544 * rtlanal.c (replace_reg): Remove.
9545 * rtl.h: Remove the prototype for replace_reg.
9547 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9549 * regclass.c (reg_scan_update): Remove.
9550 (reg_scan_mark_refs): Remove the last argument.
9551 * rtl.h: Remove the prototype for reg_scan_update.
9553 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9555 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9556 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9557 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9558 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9559 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9560 loop-invariant.c, omp-low.c, opts.c, passes.c,
9561 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9562 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9563 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9564 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9565 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9566 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9568 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9570 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9571 * dwarf2out.h: Remove the prototype for
9572 dwarf2out_add_library_unit_info.
9574 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9576 * tree.c (add_var_to_bind_expr): Remove.
9577 * tree.h: Remove the prototype for add_var_to_bind_expr.
9579 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9581 * regclass.c (n_non_fixed_regs): Remove.
9582 (init_reg_sets_1, globalize_reg): Remove all uses of
9584 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9586 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9588 * rtlanal.c (insns_safe_to_move_p): Remove.
9589 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9591 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9593 * expmed.c (expand_mult_add): Remove.
9594 * expr.h: Remove the prototype for expand_mult_add.
9596 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9598 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9599 and REG_SAVED_VAL_EXP constants.
9600 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9601 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9602 Handle regs stored by value.
9603 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9604 (execute_cfa_program): Handle DW_CFA_val_offset,
9605 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9606 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9607 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9608 (uw_install_context_1): Handle target regs stored by value.
9610 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9612 * tree-sra.c (tree_sra): Return todoflags;
9613 (generate_one_element): Set TODO_update_smt_usage if needed.
9614 (pass_sra): Remove TODO_update_smt_usage.
9615 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9617 (tree_ssa_forward_propagate_single_use_vars): Return
9618 TODO_update_smt_usage if we need to update SMT usage.
9619 (pass_forwprop): Remove TODO_update_smt_usage.
9621 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9623 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9624 (correct_use_link): Remove reference to get_stmt_operands.
9625 (update_stmt_operands): Likewise.
9626 (get_modify_expr_operands): New function factored out of
9627 parse_ssa_operands and get_expr_operands.
9628 Try to create V_MUST_DEFs for LHS by default.
9629 (get_expr_operands) <case MODIFY_EXPR>: Call
9630 get_modify_expr_operands.
9631 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9632 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9633 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9634 get_modify_expr_operands.
9636 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9638 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9639 * tree-flow.h: Remove the prototype for
9640 referenced_var_lookup_if_exists.
9642 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9644 PR rtl-optimization/26345
9646 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9648 2006-03-03 Roger Sayle <roger@eyesopen.com>
9650 PR tree-optimization/26524
9651 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9652 fold_convert to create a constant of the appropriate type.
9654 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9656 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9657 SYMBOL_REF_IN_BLOCK_P.
9658 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9659 of SYMBOL_FLAG_IN_BLOCK.
9660 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9661 instead of SYMBOL_REF_IN_BLOCK_P.
9662 * explow.c (use_anchored_address): Likewise.
9663 * rtl.c (rtx_size): Likewise.
9664 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9665 instead of SYMBOL_FLAG_IN_BLOCK.
9666 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9667 SYMBOL_REF_IN_BLOCK_P.
9668 (assemble_variable): Likewise.
9669 (output_constant_def_contents): Likewise.
9670 (output_constant_pool): Likewise.
9671 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9672 instead of SYMBOL_FLAG_IN_BLOCK.
9673 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9674 SYMBOL_REF_IN_BLOCK_P.
9675 (SYMBOL_REF_BLOCK): Likewise.
9676 (SYMBOL_REF_OFFSET): Likewise.
9677 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9678 SYMBOL_REF_IN_BLOCK_P.
9679 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9680 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9681 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9682 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9684 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9686 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9688 2006-03-02 Roger Sayle <roger@eyesopen.com>
9690 * simplify-rtx.c (simplify_unary_operation): When simplifying
9691 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9692 that we perform the right shift in the appropriate mode, and
9693 then extend or truncate the result to requested mode.
9695 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9697 * gengtype.c (main): Handle double_int type.
9698 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9699 * double-int.c: New file.
9700 * double-int.h: New file.
9701 * system.h: Include doubleint.h.
9702 * Makefile.in (SYSTEM_H): Include double-int.h.
9703 (double-int.o): Add.
9705 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9708 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9711 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9713 * tree-vrp.c (remove_range_assertions): Do not update statements
9716 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9718 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9720 * gcse.c (rest_of_handle_gcse): Ditto.
9721 * except.c (gate_handle_eh): Ditto.
9722 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9723 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9725 2006-03-02 Eric Christopher <echristo@apple.com>
9727 * config/i386/i386.c (machopic_output_stub): Add indirection to
9730 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9734 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9736 Sun Niagara specific optimizations.
9737 * config.gcc: Recognize niagara as target.
9738 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9739 (TARGET_CPU_niagara): Define.
9740 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9741 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9742 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9743 (ASM_CPU_SPEC): Likewise.
9744 (PROCESSOR_NIAGARA): New enum entry.
9745 (REGISTER_MOVE_COST): Handle Niagara.
9746 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9747 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9748 (sparc_override_options): Recognize "niagara", set appropriate
9749 default MASK_* values for it, and align functions to 32-bytes
9750 by default just like ULTRASPARC/ULTRASPARC3.
9751 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9752 (sparc64_initialize_trampoline): Likewise.
9753 (sparc_use_sched_lookahead): Use zero for niagara.
9754 (sparc_issue_rate): Use one for niagara.
9755 * config/sparc/niagara.md: New file.
9756 * config/sparc/sparc.md: Include it.
9757 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9758 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9759 when default cpu is niagara.
9760 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9761 (ASM_CPU_SPEC): Likewise.
9762 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9763 when default cpu is niagara.
9764 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9765 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9766 just like v9/ultrasparc/ultrasparc3.
9767 * doc/invoke.texi: Add documentation for "niagara" and improve
9768 existing documentation for ultrasparc variants.
9770 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9772 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9774 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9776 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9777 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9778 and say that only one is needed.
9779 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9780 * target.h (have_switchable_bss_sections): New hook.
9781 * explow.c (use_anchored_address): Check that the symbol is in a block.
9782 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9783 (bss_noswitch_section): New variables.
9784 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9785 (get_noswitch_section): New function.
9786 (get_block_for_section): Allow SECT to be null.
9787 (unlikely_text_section_p): Use SECTION_STYLE.
9788 (bss_initializer_p): New function.
9789 (get_variable_section): Move earlier in file. Take a new argument,
9790 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9791 Return one of the new *_sections in such cases.
9792 (get_block_for_decl): New function, extracting some logic from
9793 use_blocks_for_decl_p.
9794 (change_symbol_section): Remove in favor of...
9795 (change_symbol_block): ...this new function.
9796 (use_blocks_for_decl_p): Remove checks now performed by
9798 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9799 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9800 (emit_local, emit_bss, emit_common): ...these new functions.
9801 Return true if the alignment was honored.
9802 (emit_tls_common): New function.
9803 (asm_emit_uninitialised): Delete.
9804 (assemble_variable_noswitch): New function, split out from...
9805 (assemble_variable): ...here. Don't make decisions about common
9806 variables here. Globalize all public decls that go into non-common
9807 sections. Check whether SYMBOL_REF_BLOCK is null.
9808 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9809 (output_constant_pool): Likewise.
9810 (init_varasm_once): Initialize the new section variables.
9811 (have_global_bss_p): New function.
9812 (categorize_decl_for_section): Use bss_initializer_p.
9813 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9814 (place_block_symbol): Assert that the symbol must be in a block.
9815 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9816 (TARGET_INITIALIZER): Include it.
9817 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9818 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9819 (SECTION_MACH_DEP): Bump by two.
9820 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9821 (unnamed_section): Mention SECTION_UNNAMED in comment.
9822 (named_section): Likewise SECTION_NAMED.
9823 (noswitch_section_callback): New type.
9824 (noswitch_section): New structure.
9825 (section): Add a noswitch_section alternative.
9826 (SECTION_STYLE): New macro.
9827 (tls_comm_section, comm_section, lcomm_section): Declare.
9828 (bss_noswitch_section, have_global_bss_p): Declare.
9829 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9830 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9832 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9833 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9836 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9838 * tree-vrp.c (execute_vrp): Return value.
9839 * regrename.c (rest_of_handle_regrename): Ditto.
9840 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9841 * tree-complex.c (tree_lower_complex): Ditto.
9842 (tree_lower_complex_O0): Ditto.
9843 * tracer.c (rest_of_handle_tracer): Ditto.
9844 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9845 * postreload.c (rest_of_handle_postreload): Ditto.
9846 * tree-tailcall.c (execute_tail_recursion): Ditto.
9847 (execute_tail_calls): Ditto.
9848 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9849 * tree.h (init_function_for_compilation): Ditto.
9850 * ipa-cp.c (ipcp_driver): Ditto.
9851 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9852 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9853 * final.c (compute_alignments): Ditto.
9854 (rest_of_handle_final): Ditto.
9855 (rest_of_handle_shorten_branches): Ditto.
9856 (rest_of_clean_state): Ditto.
9857 * omp-low.c (execute_expand_omp): Ditto.
9858 (execute_lower_omp): Ditto.
9859 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9860 * ipa-reference.c (static_execute): Ditto.
9861 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9862 * reorg.c (rest_of_handle_delay_slots): Ditto.
9863 (rest_of_handle_machine_reorg): Ditto.
9864 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9865 * flow.c (recompute_reg_usage): Ditto.
9866 (rest_of_handle_remove_death_notes): Ditto.
9867 (rest_of_handle_life): Ditto.
9868 (rest_of_handle_flow2): Ditto.
9869 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9870 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9871 (do_ssa_store_ccp): Ditto.
9872 (execute_fold_all_builtins): Ditto.
9873 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9874 * modulo-sched.c (rest_of_handle_sms): Ditto.
9875 * ipa-pure-const.c (static_execute): Ditto.
9876 * cse.c (rest_of_handle_cse): Ditto.
9877 (rest_of_handle_cse2): Ditto.
9878 * web.c (rest_of_handle_web): Ditto.
9879 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9880 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9881 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9882 * tree-nrv.c (tree_nrv): Ditto.
9883 (execute_return_slot_opt): Ditto.
9884 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9885 (create_structure_vars): Ditto.
9886 * loop-init.c (rtl_loop_init): Ditto.
9887 (rtl_loop_done): Ditto.
9888 (rtl_move_loop_invariants): Ditto.
9889 (rtl_unswitch): Ditto.
9890 (rtl_unroll_and_peel_loops): Ditto.
9891 (rtl_doloop): Ditto.
9892 * gimple-low.c (lower_function_body): Ditto.
9893 (mark_used_blocks): Ditto.
9894 * tree-ssa-sink.c (execute_sink_code): Ditto.
9895 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9896 (cgraph_early_inlining): Ditto.
9897 * global.c (rest_of_handle_global_alloc): Ditto.
9898 * jump.c (cleanup_barriers): Ditto.
9899 (purge_line_number_notes): Ditto.
9900 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9901 (rest_of_handle_if_after_reload): Ditto.
9902 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9903 (tree_ssa_loop_im): Ditto.
9904 (tree_ssa_loop_unswitch): Ditto.
9905 (tree_vectorize): Ditto.
9906 (tree_linear_transform): Ditto.
9907 (tree_ssa_loop_ivcanon): Ditto.
9908 (tree_ssa_empty_loop): Ditto.
9909 (tree_ssa_loop_bounds): Ditto.
9910 (tree_complete_unroll): Ditto.
9911 (tree_ssa_loop_prefetch): Ditto.
9912 (tree_ssa_loop_ivopts): Ditto.
9913 (tree_ssa_loop_done): Ditto.
9914 * predict.c (tree_estimate_probability): Ditto.
9915 * recog.c (split_all_insns_noflow): Ditto.
9916 (rest_of_handle_peephole2): Ditto.
9917 (rest_of_handle_split_all_insns): Ditto.
9918 * tree-eh.c (lower_eh_constructs): Ditto.
9919 * regmove.c (rest_of_handle_regmove): Ditto.
9920 (rest_of_handle_stack_adjustments): Ditto.
9921 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9922 * function.c (instantiate_virtual_regs): Ditto.
9923 (init_function_for_compilation): Ditto.
9924 (rest_of_handle_check_leaf_regs): Ditto.
9925 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9926 (rest_of_handle_gcse): Ditto.
9927 * ipa-type-escape.c (type_escape_execute): Ditto.
9928 * alias.c (rest_of_handle_cfg): Ditto.
9929 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9930 * profile.c (rest_of_handle_branch_prob): Ditto.
9931 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9932 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9933 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9934 * tree-dfa.c (find_referenced_vars): Ditto.
9935 * except.c (set_nothrow_function_flags): Ditto.
9936 (convert_to_eh_region_ranges): Ditto.
9937 (rest_of_handle_eh): Ditto.
9938 * emit-rtl.c (unshare_all_rtl): Ditto.
9939 (remove_unnecessary_notes): Ditto.
9940 * except.h (set_nothrow_function_flags): Ditto.
9941 (convert_to_eh_region_ranges): Ditto.
9942 * cfgexpand.c (tree_expand_cfg): Ditto.
9943 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9944 * tree-ssa-pre.c (do_pre): Ditto.
9945 (execute_fre): Ditto.
9946 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9947 (rest_of_handle_jump2): Ditto.
9948 * tree-sra.c (tree_sra): Ditto.
9949 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9950 (execute_mudflap_function_decls): Ditto.
9951 * tree-ssa-copy.c (do_copy_prop): Ditto.
9952 (do_store_copy_prop): Ditto.
9953 * ipa-prop.h (ipcp_driver): Ditto.
9954 * cfglayout.c (insn_locators_initialize): Ditto.
9955 * tree-ssa-forwprop.c
9956 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9957 * cfglayout.h (insn_locators_initialize): Ditto.
9958 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9959 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9960 (execute_late_warn_uninitialized): Ditto.
9961 * rtl.h (cleanup_barriers): Ditto.
9962 (split_all_insns_noflow): Ditto.
9963 (purge_line_number_notes): Ditto.
9964 (unshare_all_rtl): Ditto.
9965 (remove_unnecessary_notes): Ditto.
9966 (recompute_reg_usage): Ditto.
9967 (variable_tracking_main): Ditto.
9968 * integrate.c (emit_initial_value_sets): Ditto.
9969 * integrate.h (emit_initial_value_sets): Ditto.
9970 * tree-optimize.c (execute_free_datastructures): Ditto
9971 (execute_free_cfg_annotations): Ditto.
9972 (execute_fixup_cfg): Ditto.
9973 (execute_cleanup_cfg_pre_ipa): Ditto.
9974 (execute_cleanup_cfg_post_optimizing): Ditto.
9975 (execute_init_datastructures): Ditto.
9976 * tree-object-size.c (compute_object_sizes): Ditto.
9977 * combine.c (rest_of_handle_combine): Ditto.
9978 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9979 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9980 (rest_of_handle_reorder_blocks): Ditto.
9981 (rest_of_handle_partition_blocks): Ditto.
9982 * var-tracking.c (variable_tracking_main): Ditto.
9983 * tree-profile.c (tree_profiling): Ditto.
9984 * tree-vect-generic.c (expand_vector_operations): Ditto.
9985 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9986 * sched-rgn.c (rest_of_handle_sched): Ditto.
9987 (rest_of_handle_sched2): Ditto.
9988 * basic-block.h (free_bb_insn): Ditto.
9989 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9990 * tree-cfg.c (execute_build_cfg): Ditto.
9991 (remove_useless_stmts): Ditto.
9992 (split_critical_edges): Ditto.
9993 (execute_warn_function_return): Ditto.
9994 (execute_warn_function_noreturn): Ditto.
9995 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9996 * cfgrtl.c (free_bb_for_insn): Ditto.
9997 * passes.c (execute_one_pass): Run additional
9998 todos returned by execute function.
9999 * tree-pass.h (struct tree_opt_pass): Make execute
10002 2006-03-02 Richard Guenther <rguenther@suse.de>
10004 * tree-ssa-alias.c (find_used_portions): Consider taking
10005 the address as making the variable not write-only.
10007 2006-03-02 Nick Clifton <nickc@redhat.com>
10009 * config.gcc (default_use_cxa_atexit): Extend the description of
10010 this configure variable. Set its default value to "yes" for
10011 Linux, NetBSD and ELF targets on the assumption that they will
10012 use C libraries with the __cxa_atexit function.
10014 2006-03-02 Ben Elliston <bje@au.ibm.com>
10016 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10017 parameter as unused to suppress a build warning.
10019 2006-03-02 Ben Elliston <bje@au.ibm.com>
10021 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10024 2006-03-01 Roger Sayle <roger@eyesopen.com>
10027 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10028 declared name, the weak reference name, and the typeof name.
10029 (__gthrw): Avoid expanding the declared name suffix.
10030 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10032 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10034 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10036 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10037 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10038 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10039 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10040 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10041 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10042 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10043 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10044 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10045 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10046 (DW_END_default, DW_END_big, DW_END_little): New.
10047 (DW_END_lo_user, DW_END_hi_user): Define.
10048 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10049 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10050 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10053 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10055 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10057 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10059 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10061 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10063 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10064 to 'symbol_mem_tag'.
10066 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10069 2006-03-01 Roger Sayle <roger@eyesopen.com>
10071 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10073 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10076 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10077 MACHO_DYNAMIC_NO_PIC_P.
10078 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10080 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10083 * config/darwin-protos.h (darwin_asm_output_anchor):
10085 * config/darwin-sections.def (cstring_section):
10086 Add SECTION_MERGE to the flags.
10087 (literal4_section): Likewise.
10088 (literal8_section): Likewise.
10089 (objc_selector_refs_section): Likewise.
10090 (objc_cls_refs_section): Likewise.
10091 * config/darwin.c (darwin_asm_output_anchor): New
10093 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10095 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10097 Fix PR tree-optimization/26443
10098 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10099 to todo and PROP_tmt_usage to properties_destroyed.
10100 * tree-ssa-ccp.c (pass_ccp): Ditto.
10101 (pass_store_ccp): Ditto.
10102 * tree-ssa-dom.c (pass_dominator): Ditto.
10104 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10106 * tree-ssa-operands.c: Cleanup whitespace.
10107 (get_asm_expr_operands): Move before first invocation.
10108 (get_indirect_ref_operands): Likewise.
10109 (get_tmr_operands): Likewise.
10110 (get_call_expr_operands): Likewise.
10111 (append_def): Likewise.
10112 (append_use): Likewise.
10113 (append_v_may_def): Likewise.
10114 (append_v_must_def): Likewise.
10115 (add_call_clobber_ops): Likewise.
10116 (add_call_read_ops): Likewise.
10117 (add_stmt_operand): Likewise.
10118 (add_virtual_operand): Likewise.
10119 (build_ssa_operands): Likewise.
10121 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10123 PR middle-end/26022
10125 PR middle-end/24437
10126 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10127 with a call expr to ...
10128 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10130 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10132 * tree-vrp.c (extract_range_from_assert): Remove special
10133 handling for types with super-types.
10135 2006-03-01 Ben Elliston <bje@au.ibm.com>
10137 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10138 and powerpc64-*-linux* configurations.
10139 * config/t-dfprules: New file.
10141 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10142 Compile dfp-bit.c from the source directory using -DWIDTH and
10143 $DFP_CFLAGS to control the compilation of that file, rather than
10144 generating width-specific versions in the build directory.
10145 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10146 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10148 2006-02-28 Zack Weinberg <zackw@panix.com>
10150 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10153 2006-02-28 Eric Christopher <echristo@apple.com>
10155 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10156 Set up IN_LIBGCC definition of TARGET_64BIT.
10157 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10159 2006-02-28 Roger Sayle <roger@eyesopen.com>
10161 PR middle-end/14752
10162 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10163 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10164 cases via the construction of "expr != 0".
10166 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10168 * alias.c (alias_invariant, alias_invariant_size): Remove.
10169 (record_base_value): Remove.
10170 (memrefs_conflict_p): Don't look at alias_invariant.
10171 (end_alias_analysis): Don't free it.
10172 * alias.h (record_base_value): Remove prototype.
10174 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10175 Adam Nemet <anemet@caviumnetworks.com>
10177 * rtl.h (truncated_to_mode): Declare it.
10178 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10179 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10180 (RTL_HOOKS_INITIALIZER): Include it.
10181 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10182 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10183 reg_truncated_to_mode.
10184 * rtlanal.c (truncated_to_mode): Define it.
10185 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10187 2006-02-28 Jeff Law <law@redhat.com>
10189 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10190 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10191 the range allowed by TYPE_PRECISION.
10193 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10195 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10197 PR tree-optimization/26419
10198 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10201 2006-02-27 Zack Weinberg <zackw@panix.com>
10203 * doc/md.texi: Fix typo in previous change.
10205 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10209 2006-02-27 Zack Weinberg <zackw@panix.com>
10211 * rtl.def (define_constraint, define_register_constraint)
10212 (define_memory_constraint, define_address_constraint): New MD forms.
10213 * gensupport.c (process_rtx): Put define_constraint etc on the
10215 * genpreds.c (process_define_predicate): Adjust comment. Validate
10216 the name, and call validate_exp to validate the expression.
10217 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10218 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10219 all callers changed.
10220 (validate_exp, needs_variable, struct constraint_data)
10221 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10222 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10223 (const_dbl_constraints, constraint_max_namelen)
10224 (have_register_constraints, have_memory_constraints)
10225 (have_address_constraints, have_address_constraints)
10226 (have_extra_constraints, have_const_int_constraints)
10227 (have_const_dbl_constraints, mangle, add_constraint)
10228 (process_define_constraint, process_define_register_constraint)
10229 (write_enum_constraint_num, write_lookup_constraint)
10230 (write_insn_constraint_len, write_regclass_for_constraint)
10231 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10232 (write_insn_extra_memory_constraint)
10233 (write_insn_extra_address_constraint)
10234 (write_satisfies_constraint_fns): New.
10235 (write_tm_preds_h): If we have new-style constraint definitions,
10236 prototype the functions generated from them, and define the
10237 old constraint interface (still used by generic code) in terms of
10239 (write_insn_preds_c): If we have new-style constraint definitions,
10240 generate all relevant functions from those definitions.
10241 (main): Handle define_constraint etc.
10242 * genoutput.c (struct constraint_data, indep_constraints)
10243 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10244 (mdep_constraint_len): New data structures and functions, defined
10245 #ifdef USE_MD_CONSTRAINTS.
10246 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10247 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10248 use new logic to validate operand constraints against constraint
10250 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10252 * defaults.h: If none of the old-style constraint macros are
10253 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10254 old-style macros; and poison REG_CLASS_FROM_LETTER,
10255 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10257 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10258 * doc/md.texi: Document new constraint-definition mechanism and the
10259 C interface it provides. Remove references to old mechanism
10260 elsewhere in the document.
10261 (Machine Constraints): Use pathnames relative to gcc directory,
10262 i.e. config/ARCH/FILE. Change i386 section to refer to
10263 config/i386/predicates.md; update that section to match docstrings.
10264 * doc/tm.texi: Move all documentation of the old constraint-
10265 definition macros to their own section, clearly mark as obsolete.
10267 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10268 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10270 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10271 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10272 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10273 constraint strings.
10274 (splits and peepholes): Use satisfies_constraint_*.
10275 * config/i386/i386.c (memory_address_length)
10276 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10278 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10280 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10281 scalar operation to be put back into the loop.
10283 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10286 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10287 (extract_cie_info): Handle S flag in augmentation string.
10288 (execute_cfa_program): If context->signal_frame, execute also
10289 fs->pc == context->ra instructions.
10290 (uw_frame_state_for): If context->signal_frame, don't subtract one
10291 from context->ra to find FDE.
10292 (uw_update_context_1): Set context->signal_frame to
10294 (_Unwind_GetIPInfo): New function.
10295 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10296 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10298 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10299 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10300 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10301 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10302 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10303 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10304 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10305 x86_64_fallback_frame_state): Set fs->signal_frame.
10306 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10307 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10308 (frob_update_context): Likewise. Workaround missing S flag in
10309 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10310 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10311 Remove the psw_addr + 1 hack.
10313 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10315 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10316 with aggregates here.
10317 (find_func_aliases): Remove code for &<aggregate> from here.
10319 2006-02-26 Roger Sayle <roger@eyesopen.com>
10321 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10322 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10323 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10324 as (X & C) ne/eq 0.
10326 2006-02-26 Roger Sayle <roger@eyesopen.com>
10328 PR middle-end/19983
10329 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10331 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10333 * opts.c (decode_options): Do not handle flag_strength_reduce.
10334 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10335 and OPT_fstrength_reduce.
10336 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10337 flag_prefetch_loop_arrays for being nonzero.
10338 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10340 (fprefetch-loop-arrays-rtl): Removed.
10341 (flag_prefetch_loop_arrays): Do not specify the value.
10343 * doc/passes.texi: Update documentation of loop optimizer
10345 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10346 -frerun-loop-opt): Remove.
10348 2006-02-26 Richard Guenther <rguenther@suse.de>
10350 PR tree-optimization/26421
10351 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10352 in function calls that are ADDR_EXPRs as using the whole structure.
10354 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10356 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10357 * tree-pass.h (pass_loop_optimize): Remove.
10358 * passes.c (pass_loop_optimize): Never run it.
10359 * toplev.c (backend_init): Don't call init_loop.
10360 * opts.c (flag_loop_optimize_set): Remove.
10361 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10362 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10363 the old RTL loop optimizer when profiling enabled.
10364 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10365 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10366 pre-headers for the sake of the old RTL loop optimizer.
10367 * Makefile.in: Remove all references to loop.o.
10369 * doc/invoke.texi: Remove all references to -floop-optimize
10370 and -frerun-loop-opt.
10372 2006-02-26 Zack Weinberg <zackw@panix.com>
10374 * doc/md.texi (Machine Constraints): Refer to all files with paths
10375 relative to gcc directory (i.e. config/CPU/file). Add missing
10376 @table @code ... @end table to M32C subsection.
10378 2006-02-26 Roger Sayle <roger@eyesopen.com>
10380 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10382 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10384 2006-02-26 Roger Sayle <roger@eyesopen.com>
10385 James A. Morrison <phython@gcc.gnu.org>
10387 PR middle-end/21137
10388 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10389 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10390 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10391 signedness of the shift operation.
10393 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10395 PR tree-optimization/26359
10396 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10398 2006-02-25 Roger Sayle <roger@eyesopen.com>
10400 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10401 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10402 as X == 0, and some symmetry related transformations.
10403 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10405 2006-02-25 Roger Sayle <roger@eyesopen.com>
10407 PR middle-end/23673
10408 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10409 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10410 symmetry related transformations. Fold (X^C1) == C2 as
10413 2006-02-25 Juergen Weigert <jw@suse.de>
10414 Richard Guenther <rguenther@suse.de>
10416 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10418 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10420 * combine.c (gen_lowpart_or_truncate): Call
10421 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10423 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10425 * doc/invoke.texi: Move -fopenmp description to "Options for
10427 Remove reference to -lgomp.
10429 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10431 * doc/install.texi: Require GNU tar version 1.14.
10433 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10435 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10436 * doc/invoke.texi (C++ Dialect Options): Document
10437 -fno-use-cxa-get-exception-ptr.
10438 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10439 * configure: Regenerate.
10440 * c.opt (fuse-cxa-get-exception-ptr): New.
10441 * c-opts.c (c_common_handle_option): Handle
10442 OPT_fuse_cxa_get_exception_ptr.
10443 * c-common.c (flag_use_cxa_atexit): Update documentation.
10444 (flag_use_cxa_get_exception_ptr): New.
10445 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10446 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10448 (C_COMMON_OVERRIDE_OPTIONS): New.
10450 2006-02-24 Roger Sayle <roger@eyesopen.com>
10452 PR middle-end/24952
10453 * combine.c (try_combine): Explicitly check whether GET_CODE is
10454 a SET or a CLOBBER, instead on checking that it isn't a USE.
10456 2006-02-24 Roger Sayle <roger@eyesopen.com>
10458 * fold-const.c (fold_comparison): New subroutine of fold_binary
10459 containing transformations common to both the equality and
10460 ordering relational operators, factored out of fold_binary.
10461 (fold_binary): Separate out the equality operators (EQ_EXPR
10462 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10463 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10464 transformations common to both.
10465 (fold_div_compare): Fix latent bugs in the previously unreachable
10466 LT_EXPR and GE_EXPR cases.
10468 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10470 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10471 decl libname for clog to __clog on AIX.
10473 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10475 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10478 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10479 output traceback table for thunks. Localise rs6000_stack_info call.
10481 2006-02-23 Roger Sayle <roger@eyesopen.com>
10482 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10484 * gthr-posix.h (__gthrw): Fix typo in comment.
10486 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10488 * doc/cpp.texi (Character sets): Document that we do support
10489 input files to be in any character set.
10491 2006-02-23 Jeff Law <law@redhat.com>
10493 * tree.h (PHI_ARG_NONZERO): Remove.
10494 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10495 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10496 node to the new node.
10498 PR tree-optimization/26425
10499 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10500 min/max, then assume its varying.
10502 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10504 PR rtl-optimization/26316
10505 * rtlanal.c (enum may_trap_p_flags): New.
10506 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10507 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10508 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10509 (may_trap_after_code_motion_p): New function.
10510 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10511 (find_invariant_insn): Use may_trap_after_code_motion_p.
10512 * rtl.h (may_trap_after_code_motion_p): Declare.
10514 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10516 * emit-rtl.c (immed_double_const): Cleanup.
10518 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10520 Fix PR tree-optimization/26376
10521 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10524 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10526 PR middle-end/26412
10527 * gimplify.c (omp_add_variable): Guard variable size decl test with
10528 DECL_SIZE (decl) check.
10530 2006-02-23 Richard Guenther <rguenther@suse.de>
10532 PR middle-end/26439
10533 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10534 like aggregate types.
10536 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10538 * configure.ac: Add --with{,out}-long-double-128 configure option.
10539 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10540 * configure: Rebuilt.
10541 * config.in: Rebuilt.
10542 * doc/install.texi (Options specification): Document
10543 --with-long-double-128.
10545 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10546 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10547 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10548 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10550 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10552 * config/s390/s390.c (override_options): Handle
10553 TARGET_DEFAULT_LONG_DOUBLE_128.
10555 * config/alpha/alpha.c (override_options): Handle
10556 TARGET_DEFAULT_LONG_DOUBLE_128.
10558 * config/sparc/sparc.c (sparc_override_options): Handle
10559 TARGET_DEFAULT_LONG_DOUBLE_128.
10561 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10563 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10564 (real-install-headers-tar, real-install-headers-cpio)
10565 (real-install-headers-cp): New targets.
10567 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10569 * tree.h (variable_section): Delete.
10570 * varasm.c (variable_section): Delete.
10572 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10574 * install.texi: Add notes on install.texi2html.
10575 (Building in parallel): Do not use footnotes.
10577 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10580 * doc/install.texi (Configuration): Document --disable-libgomp.
10582 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10584 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10586 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10588 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10589 (vec_extractv2df_0_sse): New.
10591 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10593 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10594 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10595 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10596 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10597 to the result of the expression.
10598 (def_cfa_1): Adjust.
10599 (frame_pointer_cfa_offset): Rename to...
10600 (frame_pointer_fb_offset): ... this. Adjust all uses.
10601 (convert_cfa_to_loc_list): Rename to...
10602 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10603 Pass it on to build_cfa_loc.
10604 (compute_frame_pointer_to_cfa_displacement): Rename to...
10605 (compute_frame_pointer_to_fb_displacement): ... this. New
10606 offset parameter. Use it in computation.
10607 (gen_subprogram_die): Compute cfa_fb_offset with the new
10608 macro, and use it to compute the fb loc list and the
10611 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10613 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10614 replaced with register_operand.
10615 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10616 non-DREG is expensive.
10617 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10618 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10621 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10623 * doc/install.texi2html: Use set -e.
10625 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10627 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10628 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10629 * doc/invoke.texi (-fshared-data): Delete.
10630 * common.opt (fshared-data): Delete.
10631 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10632 (assemble_static_space): Remove #if 0 code.
10633 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10634 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10635 * config/cris/cris.h: Remove FIXME.
10637 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10639 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10642 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10644 PR middle-end/26379
10645 * combine.c (simplify_shift_const_1): Disable nested shifts
10646 optimization for vector shifts.
10648 2006-02-20 Roger Sayle <roger@eyesopen.com>
10650 PR tree-optimization/26361
10651 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10652 of unsigned integer types.
10654 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10656 * tree-chrec.c (eq_evolutions_p): New.
10657 * tree-chrec.h (eq_evolutions_p): Declared.
10658 * tree-data-ref.c: Fix formatting.
10659 (datadep_stats, dependence_stats): New.
10661 (print_direction_vector): New.
10662 (dump_data_dependence_relation): Use print_direction_vector.
10663 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10664 (compute_subscript_distance): Static.
10665 (initialize_data_dependence_relation): Static. Get the number
10666 of loops surrounding the references from the callers, and initialize
10667 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10668 base_object_differ_p analyzers.
10669 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10670 compute_overlap_steps_for_affine_1_2,
10671 analyze_subscript_affine_affine): Count the classified dependences.
10672 Print a message when a test failed.
10673 (can_use_analyze_subscript_affine_affine): New.
10674 (analyze_siv_subscript): Compute the data dependences on symbolic
10675 scevs that verify can_use_analyze_subscript_affine_affine.
10676 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10677 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10678 Handle symbolic scevs.
10679 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10681 (subscript_dependence_tester): Moved...
10682 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10683 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10684 DDR_SIZE_VECT instead of getting it in parameter.
10685 (subscript_dependence_tester): ... here. Take as a parameter
10686 loop_nest_depth. Call build_classic_dist_vector and
10687 build_classic_dir_vector.
10688 (compute_affine_dependence): Update subscript_dependence_tester
10689 parameters. Update datadep_stats counters. Call
10690 compute_subscript_distance.
10691 (compute_self_dependence): Save the dist and dir vectors. Call
10692 compute_subscript_distance.
10693 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10694 (compute_all_dependences): Reorder parameters as they were before
10695 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10696 compute_subscript_distance. Update the use of
10697 compute_affine_dependence and initialize_data_dependence_relation.
10698 (find_data_references_in_loop): Handle COMPONENT_REF.
10699 (compute_data_dependences_for_loop): Initialize dependence_stats.
10700 Don't call build_classic_dist_vector and build_classic_dir_vector.
10701 Update the parameters of initialize_data_dependence_relation and
10702 compute_all_dependences. Print the statistics from datadep_stats.
10703 (analyze_all_data_dependences): Static. Not used until the pass for
10704 checking the data dependences is contributed.
10705 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10706 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10707 (initialize_data_dependence_relation, compute_affine_dependence,
10708 analyze_all_data_dependences, compute_subscript_distance): Removed.
10709 (print_direction_vector): New.
10710 * lambda.h (gcd): ... here.
10711 (lambda_vector_gcd): Moved here from gcd_vector.
10712 * lambda-code.c (gcd, gcd_vector): Removed.
10713 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10714 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10716 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10718 * ipa-type-escape.c: Tidy some comments and white space.
10719 * tree-ssa-operands.c: Likewise.
10721 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10724 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10725 (dump_decl_name): Do not walk the decl tree chains.
10726 * tree-pass.h (TDF_CHAIN): Remove.
10728 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10730 * Makefile.in (C): Remove
10732 (.PHONY): Remove C and PROTO
10734 2006-02-20 Roger Sayle <roger@eyesopen.com>
10736 PR middle-end/26236
10737 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10738 deprecated CHAR_TYPE tree code.
10740 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10742 * configure.ac (target_list): Add install-info, dvi, html.
10743 * configure: Regenerate.
10745 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10746 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10747 treelang/Make-lang.in: Do not use double-colon rules.
10749 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10751 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10752 (TMT_USED_ALONE): New macro.
10753 * tree-pass.h (PROP_tmt_usage): New property.
10754 (TODO_update_tmt_usage): New todo.
10755 * tree-ssa-alias.c (updating_used_alone): New variable.
10756 (recalculate_used_alone): New function.
10757 (compute_may_aliases): Set updating_used_alone, call
10758 recalculate_used_alone.
10759 * tree-sra.c (pass_sra): Note that this pass destroys
10760 PROP_tmt_usage, and add TODO_update_tmt_usage.
10761 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10762 * tree-flow.h (updating_used_alone): Prototype.
10763 (recalculate_used_alone): Ditto.
10764 * passes.c (execute_todo): Add code to set updating_used_alone,
10765 and call recalculate.
10766 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10767 for clobber if used alone, and add assert to verify used_alone
10770 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10772 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10773 for non tls symbols added.
10774 (legitimize_address): Do nothing for PLUS expressions if one of the
10775 addends is a tls symbol reference.
10777 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10781 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10783 * Makefile.in (BOOTSTRAPPING): New.
10784 (quickstrap): New definition if BOOTSTRAPPING=yes.
10786 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10787 * configure.ac: Substitute all_selected_languages with the languages
10788 that were configured. For all the other variables except
10789 lang_specs_files, include all the languages in the tree.
10790 * configure: Regenerate.
10792 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10793 if there is one. Run the commands to run fixincludes in the same
10796 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10797 * doc/install.texi: Document exact conventions for searching target tools.
10798 Document --with-build-time-tools. Document toplevel bootstrap. Document
10799 something more about building an Ada cross-compiler. Don't list GNU Make
10800 requirements which affect all platforms.
10802 2006-02-19 Roger Sayle <roger@eyesopen.com>
10804 PR middle-end/19543
10805 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10806 only equivalent if the have both the same mode and precision.
10808 2006-02-20 Ben Elliston <bje@au.ibm.com>
10810 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10812 2006-02-19 Roger Sayle <roger@eyesopen.com>
10813 Steven Bosscher <stevenb.gcc@gmail.com>
10815 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10816 constant pool references to identify stack mode constants.
10817 * rtlanal.c (constant_pool_constant_p): New predicate to check
10818 whether operand is a floating point constant in the pool.
10819 * rtl.h (constant_pool_constant_p): Prototype here.
10820 * loop.c (scan_loop): Avoid hoisting constants from the constant
10821 pool on STACK_REGS targets.
10822 (load_mems): Likewise.
10823 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10824 loads into x87 registers expensive in terms of register pressure.
10826 2006-02-19 Roger Sayle <roger@eyesopen.com>
10828 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10829 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10831 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10833 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10834 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10836 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10838 * doc/invoke.texi: Document -fipa-pta.
10839 * common.opt: Add ipa-pta option.
10840 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10841 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10842 (do_ds_constraint): Ditto.
10843 (get_constraint_for): Only add to referenced_vars if
10844 referenced_vars exists.
10845 (insert_into_field_list): Rewrite to do this unsorted.
10846 (insert_into_field_list_sorted): Rename old insert_into_field_list
10848 (create_function_info_for): Use insert_into_field_list_sorted.
10849 (create_variable_info_for): Rewrite so it uses unsorted version,
10850 since the field list is sorted.
10851 (intra_create_variable_infos): Only add to referenced_vars if
10852 referenced_vars exists.
10853 (ipa_pta_execute): Init heapvars, and delete when done.
10854 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10856 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10858 * doc/install.texi: Add missing `@samp'.
10860 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10862 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10865 2006-02-18 Mark Wielaard <mark@klomp.org>
10867 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10868 who added new 4.1 features, bug fixes and integration support.
10870 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10873 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10874 MEM for ABI_V4 pic.
10876 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10878 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10879 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10880 (copy_insn_1): Likewise. Don't copy each field individually.
10882 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10884 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10885 * rtl.c (rtx_size): Rename variable to...
10886 (rtx_code_size): ...this.
10887 (rtx_size): New function.
10888 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10889 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10891 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10892 * rtl.h (rtx_code_size): New variable.
10893 (rtx_size): Change from a variable to a function.
10894 (RTX_SIZE): Rename to...
10895 (RTX_CODE_SIZE): ...this.
10898 PR tree-optimization/17106
10899 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10900 (Anchored Addresses): New section.
10901 * doc/invoke.texi (-fsection-anchors): Document.
10902 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10903 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10904 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10905 * hooks.c (hook_bool_mode_rtx_false): New function.
10906 * hooks.h (hook_bool_mode_rtx_false): Declare.
10907 * gengtype.c (create_optional_field): New function.
10908 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10909 SYMBOL_REF_IN_BLOCK_P is true.
10910 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10911 (min_anchor_offset, max_anchor_offset): Likewise.
10912 (use_anchors_for_symbol_p): New hook.
10913 * toplev.c (compile_file): Call output_object_blocks.
10914 (target_supports_section_anchors_p): New function.
10915 (process_options): Check that -fsection-anchors is only used on
10916 targets that support it and when -funit-at-a-time is in effect.
10917 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10918 if the decl doesn't have one.
10919 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10920 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10921 of force_const_mem through use_anchored_address.
10922 (expand_expr_constant): New function.
10923 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10924 calling expand_expr for INDIRECT_REF.
10925 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10926 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10927 * expr.h (use_anchored_address): Declare.
10928 * loop-unroll.c: Don't declare rtx vectors here.
10929 * explow.c: Include output.h.
10930 (validize_mem): Call use_anchored_address.
10931 (use_anchored_address): New function.
10932 * common.opt (-fsection-anchors): New switch.
10933 * varasm.c (object_block_htab, anchor_labelno): New variables.
10934 (hash_section, object_block_entry_eq, object_block_entry_hash)
10935 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10936 (use_blocks_for_decl_p, change_symbol_section): New functions.
10937 (get_variable_section): New function, split out from assemble_variable.
10938 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10939 use_blocks_for_decl_p say so. Use change_symbol_section if the
10940 symbol has already been created.
10941 (assemble_variable_contents): New function, split out from...
10942 (assemble_variable): ...here. Don't output any code for
10943 block symbols; just pass them to place_block_symbol.
10944 Use get_variable_section and assemble_variable_contents.
10945 (get_constant_alignment, get_constant_section, get_constant_size): New
10946 functions, split from output_constant_def_contents.
10947 (build_constant_desc): Create a block symbol if use_object_blocks_p
10948 says so. Or into SYMBOL_REF_FLAGS.
10949 (assemble_constant_contents): New function, split from...
10950 (output_constant_def_contents): ...here. Don't output any code
10951 for block symbols; just pass them to place_section_symbol.
10952 Use get_constant_section and get_constant_alignment.
10953 (force_const_mem): Create a block symbol if use_object_blocks_p and
10954 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10955 (output_constant_pool_1): Add an explicit alignment argument.
10956 Don't switch sections here.
10957 (output_constant_pool): Adjust call to output_constant_pool_1.
10958 Switch sections here instead. Don't output anything for block symbols;
10959 just pass them to place_block_symbol.
10960 (init_varasm_once): Initialize object_block_htab.
10961 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10962 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10963 (place_block_symbol, get_section_anchor, output_object_block)
10964 (output_object_block_htab, output_object_blocks): New functions.
10965 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10966 (TARGET_ASM_OUT): Include it.
10967 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10968 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10969 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10970 (TARGET_INITIALIZER): Include them.
10971 * rtl.c (rtl_check_failed_block_symbol): New function.
10972 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10973 (block_symbol, object_block): New structures.
10974 (rtx_def): Add a block_symbol field to the union.
10975 (BLOCK_SYMBOL_CHECK): New macro.
10976 (rtl_check_failed_block_symbol): Declare.
10977 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10978 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10979 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10980 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10981 * output.h (output_section_symbols): Declare.
10982 (object_block): Name structure.
10983 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10984 (default_use_anchors_for_symbol_p): Declare.
10985 * Makefile.in (RTL_BASE_H): Add vec.h.
10986 (explow.o): Depend on output.h.
10987 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10988 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10989 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10990 (rs6000_use_blocks_for_constant_p): New function.
10992 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10994 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10996 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10999 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11002 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11004 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11008 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11010 PR middle-end/26334
11011 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11012 instead of DECL_REGISTER.
11014 2006-02-18 Olivier Hainque <hainque@adacore.com>
11017 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11019 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11022 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11023 * opth-gen.awk: Handle Var and InverseMask together.
11024 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11025 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11026 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11027 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11029 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11030 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11031 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11032 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11033 LINUX_DYNAMIC_LINKER): Define.
11034 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11035 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11037 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11038 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11039 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11040 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11041 (TARGET_C99_FUNCTIONS): Don't define.
11042 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11043 GLIBC_DYNAMIC_LINKER.
11044 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11045 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11046 GLIBC_DYNAMIC_LINKER64): Define.
11047 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11048 LINUX_DYNAMIC_LINKER64.
11049 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11050 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11051 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11052 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11053 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11054 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11055 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11056 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11057 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11058 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11059 and LINUX_DYNAMIC_LINKER32.
11060 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11061 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11062 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11063 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11064 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11066 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11067 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11068 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11069 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11070 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11071 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11072 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11073 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11074 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11075 LINUX_DYNAMIC_LINKER): Define.
11076 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11077 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11078 GLIBC_DYNAMIC_LINKER64): Define.
11079 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11080 LINUX_DYNAMIC_LINKER64.
11081 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11082 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11083 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11084 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11085 LINUX_DYNAMIC_LINKER): Define.
11086 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11087 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11088 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11089 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11090 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11091 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11092 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11093 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11094 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11095 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11096 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11097 * doc/invoke.texi (-muclibc): Remove caveat about supported
11100 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11102 * doc/cpp.texi (__TIMESTAMP__): Document.
11104 2006-02-17 Roger Sayle <roger@eyesopen.com>
11106 PR middle-end/25600
11107 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11108 C is one less than the width of X (and related transformations).
11109 * simplify-rtx.c (simplify_unary_operation_1): Transform
11110 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11111 depending on STORE_FLAG_VALUE, were C is one less then the
11114 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11116 Fix PR tree-optimization/26341
11117 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11118 about NAME_MEMORY_TAG's.
11120 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11123 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11124 with hardware float support, and software float support. Add fcpy
11125 alternative to hardware patterns. Add alternatives to copy between
11126 general and floating-point registers to the 32-bit pattern.
11127 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11128 secondary reload to load a QI or HI mode constant into a floating
11130 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11131 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11133 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11136 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11138 (load_macho_picbase_di): Likewise.
11140 2006-02-16 Jeff Law <law@redhat.com>
11142 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11143 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11144 (ssa_name_nonzero_p): Likewise.
11145 (get_value_range): Return NULL if VRP is not running.
11146 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11147 VRP routines do not discover a range.
11148 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11149 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11150 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11151 (tree_expr_nonnegative_p): Similarly.
11152 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11153 (restore_nonzero_vars_to_original_value): Remove.
11154 (unsafe_associative_fp_binop): Remove.
11155 (tree_ssa_dominator_optimize): Remove initialization and
11156 finalization of nonzero_vars and nonzero_vars_stack.
11157 (dom_opt_initialize_block): No longer push marker on
11158 nonzero_vars_stack.
11159 (dom_opt_finalize_block): No longer call
11160 restore_nonzero_vars_to_original_value.
11161 (record_equivalences_from_phis): No longer look for
11162 nonzero PHI arguments.
11163 (cprop_into_successor_phis): No longer propagate nonzero
11164 property into PHI arguments. Lose unused argument. Caller
11166 (record_equivalences_from_stmt): No longer record nonzero
11167 values for SSA_NAMEs.
11168 (lookup_avail_expr): No longer use nonzero_vars.
11170 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11171 for sizetype when sizetype is unsigned.
11173 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11175 PR rtl-optimization/25603
11176 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11177 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11178 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11179 with new meaning of SETS.
11181 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11186 * config/linux.opt: New file.
11187 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11188 LINUX_DYNAMIC_LINKER): Define.
11189 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11190 * config.gcc (*-*-linux*): Define extra_options.
11191 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11192 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11193 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11194 GLIBC_DYNAMIC_LINKER.
11195 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11196 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11197 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11198 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11199 * doc/invoke.texi (GNU/Linux Options): New section.
11201 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11203 * config/sparc/sparc.md (setjmp): Rewrite.
11204 (setjmp_32): Delete.
11205 (setjmp_64): Likewise.
11207 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11209 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11212 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11214 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11217 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11219 PR rtl-optimization/26296
11220 * Makefile.in (loop-invariant.c): Add except.h dependency.
11221 * loop-invariant.c: Include except.h.
11222 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11224 2005-02-16 Paul Brook <paul@codesourcery.com>
11226 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11229 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11231 PR rtl-optimization/25636
11232 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11233 when deciding whether an insn is an initializing insn.
11235 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11237 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11238 (tree_code_size): Ditto.
11239 * tree.h (struct tree_memory_tag): Remove parent_var.
11240 (struct tree_struct_field_tag): New.
11243 (union tree_node): Add sft member.
11244 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11246 (create_sft): Add size and offset argument, set SFT_OFFSET and
11248 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11249 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11250 * tree-flow-inline.h (get_subvar_at): Update for
11251 SFT_OFFSET/SFT_SIZE.
11252 (var_can_have_subvars): Ditto.
11253 (overlap_subvar): Ditto.
11254 * print-tree.c (print_node): Print out interesting things for
11256 * tree-flow.h (struct subvar): Remove offset and size members.
11257 * tree-ssa-operands.c (get_expr_operands): Update for
11258 get_indirect_ref_operands changes.
11259 (get_indirect_ref_operands): Call add_virtual_operand instead of
11260 add_stmt_operand. Only recurse on base var if requested.
11261 (access_can_touch_variable): New function.
11262 (add_stmt_operand): Split virtual operand handling into ...
11263 (add_virtual_operand): Here. Add offset, size, and for_clobber
11264 arguments. Prune alias sets.
11265 (add_call_clobber_ops): Call add_virtual_operand.
11267 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11269 PR middle-end/26300
11270 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11272 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11273 than TREE_CODE as index into omp_clause_num_ops array.
11275 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11277 PR rtl-optimization/26184
11278 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11280 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11281 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11282 must_precede, must_follow and tobe_scheduled.
11285 * opts.c (common_handle_option): Free new_option pointer.
11286 * df-core.c (df_analyze): Free postorder pointer.
11288 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11290 * Makefile.in: Fix the examples about the use of stamps
11292 2006-02-15 Michael Matz <matz@suse.de>
11294 PR middle-end/22275
11296 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11297 influenced by maximum_field_alignment or DECL_PACKED.
11298 (update_alignment_for_field): Ditto.
11299 (place_field): Ditto.
11300 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11303 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11305 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11306 (debug_flow_info): Pass it.
11307 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11308 * bb-reorder.c (reorder_basic_blocks): Likewise.
11309 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11310 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11311 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11312 * gcse.c (gcse_main, bypass_jumps): Likewise.
11313 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11314 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11315 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11316 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11317 * rtl.h (dump_flow_info): Adjust prototype.
11318 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11319 * var-tracking.c (variable_tracking_main): Likewise.
11320 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11321 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11324 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11326 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11329 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11331 PR tree-optimization/26209
11332 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11333 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11335 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11337 2006-02-14 Roger Sayle <roger@eyesopen.com>
11339 PR middle-end/23670
11340 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11341 (X,Y) and the corresponding symmetry related transformations.
11342 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11343 (X,Y) and its symmetry related transformations.
11345 2006-02-14 Roger Sayle <roger@eyesopen.com>
11347 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11350 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11352 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11354 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11357 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11358 support COMDAT group.
11359 * configure: Regenerate.
11361 2006-02-14 Roger Sayle <roger@eyesopen.com>
11363 PR middle-end/26279
11364 PR middle-end/26280
11365 PR middle-end/26283
11366 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11368 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11370 Fix PR tree-optimization/26260
11372 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11374 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11375 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11376 * tree-ssa-structalias.c (create_variable_info_for): Use
11377 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11379 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11381 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11383 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11384 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11385 of the ending condition.
11386 * tree-ssa-loop-manip.c: Include params.h.
11387 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11388 tree_unroll_loop): New functions.
11389 * tree-pass.h (pass_loop_prefetch): Declare.
11390 * loop.c (rest_of_handle_loop_optimize): Test for
11391 -fprefetch-loop-arrays-rtl.
11392 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11393 * timevar.def (TV_TREE_PREFETCH): New timevar.
11394 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11395 pass_loop_prefetch): New.
11396 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11397 (cleanup_tree_cfg_loop): Call scev_reset.
11398 * common.opt (fprefetch-loop-arrays-rtl): Add.
11399 * tree-ssa-loop-prefetch.c: New file.
11400 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11401 (new_temp_expr_table): Initialize expr_vars.
11402 (free_temp_expr_table): Cleanup expr_vars.
11403 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11404 expressions from being merged into one.
11405 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11406 (struct tree_niter_desc): Add control, bound and cmp fields.
11407 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11409 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11410 (tree-cfgcleanup.o): Add SCEV_H dependency.
11411 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11412 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11414 2006-02-14 Richard Guenther <rguenther@suse.de>
11416 PR tree-optimization/26258
11417 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11418 in PHI argument processing.
11420 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11422 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11423 new expression in the requested machine mode.
11425 2006-02-13 Roger Sayle <roger@eyesopen.com>
11427 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11428 directly, instead let do_compare_rtx_and_jump handle this for us.
11429 * expr.c (expand_expr_real_1): Likewise.
11430 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11431 before do_jump_by_parts_greater.
11432 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11433 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11435 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11437 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11439 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11441 PR rtl-optimization/26235
11442 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11443 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11446 2006-02-13 Jeff Law <law@redhat.com>
11448 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11451 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11453 PR middle-end/26092
11454 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11455 twice if decl is a builtin. When trying again, call get_callee_fndecl
11456 first to verify it is still a builtin.
11458 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11460 * dwarf2out.c (base_type_die): Don't add AT_name here.
11461 (subrange_type_die): Don't add AT_name here.
11462 (modified_type_die): Rearrange code flow. Do add AT_name here.
11464 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11466 PR rtl-optimization/26247
11467 PR rtl-optimization/26248
11468 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11470 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11472 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11473 * config/fixtfdi.c: Likewise.
11474 * config/fixunstfdi.c: Likewise.
11475 * config/floatditf.c: Likewise.
11477 2006-02-13 Roger Sayle <roger@eyesopen.com>
11479 PR middle-end/24427
11480 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11481 into (X,C2) if C1 is a subset of the bits of C2. Transform
11482 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11484 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11486 2006-02-13 Josh Conner <jconner@apple.com>
11489 * varasm.c (function_section): Check for section name before
11490 calling select_section on targets that define
11491 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11492 unlikely_text_section instead of hot_function_section if
11493 first_function_block_is_cold.
11495 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11497 PR middle-end/25335
11498 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11500 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11502 PR rtl-optimization/26222
11503 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11504 after tree->rtl expansion.
11505 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11506 before passing it to emit_move_insn.
11508 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11510 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11512 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11513 Clarify documentation.
11514 * c-common.h (warn_write_strings): Remove.
11515 * c-common.c (warn_write_strings): Likewise.
11516 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11519 2006-02-12 Roger Sayle <roger@eyesopen.com>
11521 PR middle-end/25724
11522 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11523 (do_jump_parts_zero_rtx): New function renamed from
11524 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11525 (do_jump_parts_equality_rtx): New function split out from
11526 do_jump_parts_equality. Old implementation renamed as above.
11527 Call do_jump_parts_zero_rtx if either operand is zero.
11528 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11529 do all of the heavy lifting.
11530 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11531 calling either do_jump_by_parts_greater_rtx or
11532 do_jump_by_parts_equality_rtx.
11533 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11534 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11535 moved to do_compare_rtx_and_jump, call it directly.
11536 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11537 mode argument. Call do_compare_rtx_and_jump.
11538 (emit_case_nodes): Update calls to do_jump_if_equal.
11540 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11542 PR rtl-optimization/26225
11543 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11545 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11547 PR rtl-optimization/26232
11548 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11550 2006-02-11 Jason Merrill <jason@redhat.com>
11553 * tree-inline.c (declare_return_variable): Just don't use the
11554 modify target if it's a gimple complex reg and the return slot
11557 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11559 * doc/contrib.texi: Update my entry.
11561 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11563 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11565 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11567 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11570 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11572 * doc/invoke.texi (-floop-optimize2): Removed.
11573 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11574 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11575 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11576 * common.opt (floop-optimize2): Removed.
11577 (fmove-loop-invariants): Enabled by default.
11579 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11581 * tree-if-conv.c (combine_blocks): Free the result of
11582 get_loop_exit_edges.
11584 2006-02-10 Jeff Law <law@redhat.com>
11586 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11588 PR tree-optimization/26213
11589 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11590 loop trying to follow SSA_NAME_VALUE chains.
11592 2006-02-10 Richard Guenther <rguenther@suse.de>
11594 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11595 deal with structures that end in implicitly variable sized arrays.
11597 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11599 PR rtl-optimization/24762
11600 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11603 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11605 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11606 (struct ivopts_data): Add regs_used field.
11607 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11608 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11609 instead of loop_data->regs_used;
11610 (free_loop_data): Do not free aux fields for loops.
11611 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11612 and tree_ssa_iv_optimize_finalize.
11614 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11616 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11618 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11621 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11622 computing the effective result type.
11624 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11626 PR inline-asm/16194
11627 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11628 (tree_overlaps_hard_reg_set): Declare.
11629 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11630 type and signature to match function type expected by walk_tree.
11631 (tree_overlaps_hard_reg_set): New function.
11632 (decl_conflicts_with_clobbers_p): Rename to:
11633 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11634 Use tree_overlaps_hard_reg_set. Changed caller.
11635 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11636 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11637 * cris.c (cris_md_asm_clobbers): Likewise.
11639 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11641 * reload1.c (emit_input_reload_insns): Delete code that tries to
11642 inherit using find_equiv_reg.
11644 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11646 * c-common.h (flag_const_strings): Don't declare.
11647 * c-common.c (flag_const_strings): Remove.
11648 * c.opt (fconst_strings): Remove.
11649 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11650 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11651 (c_common_init_options): Don't set flag_const_strings.
11652 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11654 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11656 * arm.md (tlobits_cbranch): New pattern.
11657 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11658 testing a single bit.
11660 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11663 * tree-ssa-pre.c (create_component_ref_by_pieces):
11664 Handle RETURN_DECL like VAR_DECL.
11666 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11668 PR middle-end/26134
11669 * fold-const.c (fold_indirect_ref_1): Fold
11670 "*(foo *)&complexfoo" to "__real__ complexfoo"
11671 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11673 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11675 * tree-flow-inline.h (var_can_have_subvars):
11676 Volatile variables should not have subvariables.
11678 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11681 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11682 multiplying unsigned values.
11685 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11687 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11689 2006-02-08 Jason Merrill <jason@redhat.com>
11692 * tree.def: Elaborate on difference from MODIFY_EXPR.
11693 * doc/c-tree.texi (INIT_EXPR): Likewise.
11694 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11695 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11696 (gimplify_target_expr): Likewise.
11697 (gimplify_cond_expr): Remove target handling.
11698 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11699 (gimplify_expr): Clobber it here.
11700 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11701 Do return slot optimization if we have an INIT_EXPR.
11704 * tree-inline.c (declare_return_variable): Also clear
11705 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11708 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11710 PR middle-end/22439
11711 * gimplify.c (gimplify_one_sizepos): Fix typo.
11713 2006-02-08 Jeff Law <law@redhat.com>
11715 PR tree-optimization/21417
11716 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11717 across a backedge if the control statement at the end of the
11718 block is data dependent on other statements in the same block.
11719 (record_temporary_equivalences_from_stmts): Remove over-conservative
11720 test for threading across backedges.
11722 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11723 control statement, handle all three special cases in the same
11724 manner as they all have the same desired solution. No longer
11725 special case edge flag updating when the post dominator is
11728 2006-02-08 Roger Sayle <roger@eyesopen.com>
11730 * tree.def (CHAR_TYPE): Remove.
11731 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11732 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11733 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11734 (gen_string_type_die): Delete unreachable function.
11736 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11737 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11738 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11739 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11740 * builtins.c (type_to_class): Likewise.
11741 * fold-const.c (fold_convert, build_range_check,
11742 merge_ranges): Likewise.
11743 * expr.c (count_type_elements): Likewise.
11744 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11745 * stor-layout.c (layout_type): Likewise.
11746 * ipa-type-escape.c (type_to_consider): Likewise.
11747 * gimplify.c (omp_firstprivatize_type_sizes,
11748 gimplify_type_sizes): Likewise.
11749 * explow.c (promote_mode): Likewise.
11750 * tree-sra.c (is_sra_scalar_type): Likewise.
11751 * varasm.c (output_constant): Likewise.
11752 * tree-inline.c (remap_type_1): Likewise.
11753 * convert.c (convert_to_pointer, convert_to_real,
11754 convert_to_integer, convert_to_complex): Likewise.
11756 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11758 * df-scan.c (df_def_record_1): A set destination may
11759 be a parallel regardless of mode.
11761 2006-02-08 Roger Sayle <roger@eyesopen.com>
11764 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11765 * config/mips/_tilib.c: Remove.
11766 * config/fixtfdi.c: New libgcc source file.
11767 * config/fixunstfdi.c: New source file.
11768 * config/floatditf.c: New source file.
11769 * config/floatunditf.c: New souce file.
11770 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11771 files above instead of config/mips/_tilib.c.
11772 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11774 2006-02-08 Jeff Law <law@redhat.com>
11776 PR tree-optimization/26169
11777 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11780 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11782 * df.h (DF_REG_SIZE): Return the length of the initialized
11785 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11787 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11788 __muldf3): Return a correctly signed zero.
11790 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11792 * passes.c (register_one_dump_file): Accept the current properties
11793 instead of pass number. Adjust call to dump_register. Remove
11795 (register_dump_files): Now a wrapper around...
11796 (register_dump_files_1): ... this one. Do not modify the pass
11798 (next_pass_1): Cosmetic fix.
11799 (execute_todo): Keep second parameter only. Use curr_properties
11800 instead of fetching it from the pass structure. Check and set
11802 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11803 instead of fetching it from the pass structure. Fix calls to
11804 execute_todo. Update curr_properties and initialize .vcg RTL dump
11805 after running the pass. Reset last_verified.
11806 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11808 (FIRST_AUTO_NUMBERED_DUMP): New.
11809 (dump_register): Remove "num" parameter, assign it within the
11811 (get_dump_file_name): Modify template for dumps.
11812 * tree-dump.h (dump_register): Adjust prototype.
11813 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11814 (PROP_trees): Add PROP_gimple_lomp.
11815 (TODO_set_props): New.
11816 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11817 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11818 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11820 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11822 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11823 (sparc64-*-linux*): Likewise.
11824 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11825 * config/sparc/t-linux: New file.
11826 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11827 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11828 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11829 -m32 -mlong-double-128.
11831 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11832 * config/alpha/t-linux: New file.
11833 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11835 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11836 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11837 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11838 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11839 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11840 (CPP_ARCH32_SPEC): Remove.
11842 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11844 PR tree-optimization/26145
11845 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11848 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11851 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11852 >= 240000 when generating code for SOM runtime.
11853 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11854 to $$dyncall when generating code for SOM runtime..
11856 2006-02-07 Dirk Mueller <dmueller@suse.com>
11859 * doc/invoke.texi (-Wsequence-point): Update documentation
11860 that -Wsequence-point is implemented for C++ as well.
11862 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11864 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11865 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11866 (LIB_SPEC): Likewise.
11867 * doc/invoke.texi (SPARC options): Document -pthread.
11869 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11871 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11874 2006-02-07 Roger Sayle <roger@eyesopen.com>
11876 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11877 Correct comment describing BOOLEAN_TYPE.
11879 2006-02-07 Dirk Mueller <dmueller@suse.com>
11881 * c.opt: C++ frontend supports -Wdiv-by-zero.
11882 * c-opts.c (c_common_handle_option): Remove dead case.
11884 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11886 * configure.ac (TLS assembler check): Do not enable TLS by
11887 default on SPARC/Solaris before version 10.
11888 * configure: Regenerate.
11890 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11892 * doc/invoke.texi (xl-compat): Document conversion and support
11895 2006-02-07 Jeff Law <law@redhat.com>
11897 * tree-vrp.c (find_conditional_asserts): Update comments.
11898 (simplify_stmt_for_jump_threading): New.
11899 (identify_jump_threads, finalize_jump_threads): New.
11900 (vrp_finalize): Call identify_jump_threads.
11901 (execute_vrp): Call finalize_jump_threads.
11902 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11903 (vrp_element, vrp_data, vrp_element_p): Remove.
11904 (vrp_hash_elt, vrp_variables_stack): Remove.
11905 (vrp_hash, vrp_eq, record_range): Remove.
11906 (simplify_cond_and_lookup_avail_expr): Remove.
11907 (extract_range_from_cond): Remove.
11908 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11909 (simplify_stmt_for_jump_threading): New.
11910 (dom_thread_across_edge): New wrapper.
11911 (tree_ssa_dominator_optimize): No longer initialize or
11912 finalize any of the VRP datastructures. Remove iteration
11913 step and simplify as a result of removal of iteration step.
11914 (pass_dominator): Perform a cfg cleanup after DOM.
11915 (dom_opt_finalize_block): Use the new common routines
11916 for threading jumps. Simplify stack management slightly.
11917 No longer need to unwind VRP state.
11918 (record_equivalences_from_incoming_edge): No longer record
11920 (eliminate_redundant_computations): No longer call
11921 simplify_cond_and_lookup_avail_expr.
11922 * tree-flow.h (potentially_threadable_block): Prototype.
11923 (thread_across_edge): Likewise.
11924 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11925 (tree-ssa-threadedge.o): Add dependencies.
11926 * tree-ssa-threadedge.c: New file.
11927 * passes.c (init_optimization_passes): Merge PHIs before
11928 calling VRP. Run VRP again late in the SSA optimization pipeline.
11930 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11932 * df-core.c (df_set_blocks): Do not dereference function pointers.
11933 (df_finish1): Likewise.
11934 (df_hybrid_search_forward): Likewise.
11935 (df_hybrid_search_backward): Likewise.
11936 (df_iterative_dataflow): Likewise.
11937 (df_analyze_problem): Likewise.
11938 (df_compact_blocks): Likewise.
11939 (df_dump): Likewise.
11940 * df-scan.c (df_rescan_blocks): Likewise.
11941 (df_record_entry_block_defs): Likewise.
11943 * genconditions.c (write_conditions): Guard the definition of
11944 'insn_conditions' with the check on GCC version.
11945 (write_writer): Guard the traversal 'insn_conditions' with
11946 the check on GCC version.
11948 2006-02-07 Richard Guenther <rguenther@suse.de>
11952 2006-01-30 Richard Guenther <rguenther@suse.de>
11954 * gimplify.c (gimplify_target_expr): Handle easy cases
11955 without creating a temporary.
11957 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11959 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11960 use of float in probability computations. Use edge probabilities
11961 in place of statically computed probabilities.
11962 (min_spec_prob): New static variable.
11963 (schedule_insns): Initialize it.
11964 (GET_SRC_PROB): Removed.
11965 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11967 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11970 * config/ia64/unwind-ia64.c: Revert last change.
11971 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11972 (INCOMING_FRAME_SP_OFFSET): Define.
11974 2006-02-06 Roger Sayle <roger@eyesopen.com>
11976 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11978 2006-02-07 Ben Elliston <bje@au.ibm.com>
11980 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11981 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11982 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11983 (ix86_return_in_memory): Handle TDmode.
11984 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11985 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11987 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11989 * reorg.c (dbr_schedule): Use dump_file instead of file.
11991 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11994 * config/ia64/predicates.md (extr_len_operand): New predicate.
11995 * config/ia64/ia64.md (extv): Tighten constraints.
11997 (*tbit_and_2): Ditto.
11998 (*tbit_and_3): Ditto.
11999 (*tbit_or_2): Ditto.
12000 (*tbit_or_3): Ditto.
12001 (*bit_zero): Ditto.
12004 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12007 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12009 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12011 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12012 loop_optimizer_init and loop_optimizer_finalize
12013 * tree-ssa-sink.c (execute_sink_code): Ditto.
12014 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12015 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12016 tree_ssa_loop_done): Ditto.
12017 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12018 * sched-ebb.c: Include output.h.
12019 (schedule_ebbs): Do not use dump argument.
12020 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12021 * loop.c (loop_dump_stream): Removed.
12022 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12024 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12025 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12026 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12027 loop_iterations, strength_reduce, record_biv, record_giv,
12028 final_giv_value, check_final_value, check_ext_dependent_givs,
12029 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12030 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12031 dump_file instead of loop_dump_stream.
12032 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12033 argument dump_file.
12034 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12036 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12037 * haifa-sched.c: Include output.h
12038 (schedule_insns, sched_init): Do not use dump argument.
12039 * mode-switching.c (optimize_mode_switching): Ditto.
12040 * modulo-sched.c (stats_file): Removed.
12041 (print_node_sched_params): Do not call argument dump_file.
12042 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12043 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12045 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12047 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12048 rtl_loop_init, rtl_loop_done): Ditto.
12049 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12050 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12052 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12053 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12054 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12055 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12056 * emit-rtl.c (renumber_insns): Ditto.
12057 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12058 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12059 * regclass.c (regclass): Ditto.
12060 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12061 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12062 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12063 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12065 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12066 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12068 * gcse.c (gcse_file, debug_stderr): Removed.
12069 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12070 rest_of_handle_gcse): Do not use dump argument.
12071 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12072 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12073 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12074 compute_code_hoist_vbeinout, compute_code_hoist_data,
12075 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12076 compute_store_table, build_store_vectors, insert_insn_start_bb,
12077 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12078 store_motion): Use dump_file instead of gcse_file.
12079 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12080 * profile.c (profile_dump_file): Removed.
12081 (branch_prob): Use dump_file instead of profile_dump_file.
12082 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12084 * tree-ssa-copy.c (dump_copy_of): Ditto.
12085 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12086 dump file to life_analysis.
12087 * bt-load.c (branch_target_load_optimize): Ditto.
12088 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12090 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12091 regclass, dbr_schedule): Declaration changed.
12092 * sched-int.h (sched_init): Declaration changed.
12093 * tree-profile.c (tree_profile_dump_file): Removed.
12094 (tree_profile_hooks): Removed profile_dump_file hook.
12095 * rtl-profile (rtl_profile_dump_file): Removed.
12096 (rtl_profile_hooks): emoved profile_dump_file hook.
12097 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12099 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12100 * tree-cfg.c (build_tree_cfg): Ditto.
12101 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12102 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12103 Declaration changed.
12104 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12105 life_analysis and schedule_insns.
12106 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12108 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12110 * config/mips/mips.c (mips_reorg): Ditto.
12111 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12114 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12116 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12117 (s390_mangle_fundamental_type): New.
12118 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12121 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12122 (alpha_mangle_fundamental_type): New.
12123 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12126 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12128 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12130 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12131 (sparc_mangle_fundamental_type): New.
12133 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12135 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12136 (s390x-*-linux*): Likewise.
12137 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12138 * config/s390/t-linux: New file.
12140 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12142 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12143 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12145 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12147 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12148 (ANTIC_SAFE_LOADS): New macro.
12149 (find_or_generate_expression): Add prototype.
12150 (set_contains_value): Allow null set for sake of not always having
12151 to allocate ANTIC_SAFE_LOADS.
12152 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12153 Allow COMPONENT_REF too.
12154 (valid_in_set): Allow COMPONENT_REF.
12155 Check ANTIC_SAFE_LOADS too.
12156 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12157 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12159 (can_PRE_operation): Add COMPONENT_REF.
12160 (create_component_ref_by_pieces): New function.
12161 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12162 (insert_aux): Move AGGREGATE_TYPE_P check here.
12163 (compute_avail): Set bb local stmt uids.
12164 (pass_pre): Use TODO_update_ssa_only_virtuals.
12166 2006-02-06 Ben Elliston <bje@au.ibm.com>
12168 * configure.ac: Unconditionally disable decimal float by default.
12169 * configure: Regenerate.
12171 2006-02-06 Ben Elliston <bje@au.ibm.com>
12173 * read-rtl.c (read_name): Terminate reading on EOF.
12175 2006-02-06 Ben Elliston <bje@au.ibm.com>
12177 * dfp.c (decimal_real_arithmetic): Change second argument type
12178 from int to enum tree_code. Do not always return true, but now
12179 return result of any call to decimal_do helper functions.
12180 * dfp.h (decimal_real_arithmetic): Update prototype.
12182 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12184 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12186 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12189 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12192 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12194 * tree-vrp.c (cfg_loops): Removed.
12195 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12196 Use current_loops instead of cfg_loops. Pass flags to
12197 loop_optimizer_init.
12198 * cfgloopmanip.c (fix_loop_structure): Update only available
12200 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12201 loop_optimizer_init.
12202 * modulo-sched.c (build_loops_structure): Removed.
12203 (sms_schedule): Use loop_optimizer_init.
12204 * loop-init.c (loop_optimizer_init): Use flags to determine
12205 which properties of loops to prepare.
12206 (rtl_loop_init): Pass flags to loop_optimizer_init.
12207 * tree-ssa-sink.c (execute_sink_code): Ditto.
12208 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12209 * tree-ssa-pre.c (init_pre): Ditto.
12210 * cfgloop.h (LOOPS_NORMAL): New.
12211 (loop_optimizer_init): Declaration changed.
12213 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12215 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12216 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12218 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12220 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12222 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12223 * pa/t-pa64: Delete quadlib.c rule.
12224 * pa/x-ada: Revert last change.
12225 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12227 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12229 PR rtl-optimization/26087
12230 * rtlanal.c (canonicalize_condition): Do not cross basic block
12233 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12236 * config/ia64/ia64.c: Include debug.h.
12237 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12238 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12239 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12240 (process_epilogue, process_set, process_for_unwind_directive):
12241 Output unwind info only if requested. Add CFA info if requested.
12242 Add new arguments as needed. Adjust callers.
12243 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12245 (DWARF2_FRAME_INFO): Define to zero.
12246 * config/ia64/unwind-ia64.c: Remove code that compensated for
12247 the CFA offset error fixed above.
12248 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12249 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12250 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12251 -funwind-tables and -fexceptions to enable frame info.
12252 (dwarf2out_frame_init): Define initial CFA even if
12253 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12254 DWARF2_UNWIND_INFO is nonzero, not just defined.
12255 (dwarf2out_frame_finish): Output non-EH call frame info only
12256 if DWARF2_FRAME_INFO is nonzero.
12257 (convert_cfa_to_loc_list,
12258 compute_frame_pointer_to_cfa_displacement): Define even if
12259 unwind info is not supported.
12260 (gen_subprogram_die): Use the above unconditionally. Remove
12261 legacy alternate code.
12262 * toplev.c (compile_file): Compile in call to
12263 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12264 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12266 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12267 Jakub Jelinek <jakub@redhat.com>
12269 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12270 IBM extended float format long double as "g" on powerpc*-linux.
12272 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12275 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12276 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12278 2006-02-03 Jason Merrill <jason@redhat.com>
12281 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12283 PR middle-end/25977
12284 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12285 on the return slot if it's an NRV.
12287 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12289 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12290 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12291 rewrite_use): Do not handle USE_OUTER.
12292 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12293 add_iv_outer_candidates, may_replace_final_value,
12294 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12295 (find_interesting_uses_op): Functionality of
12296 find_interesting_uses_outer_or_nonlin moved here.
12297 (find_interesting_uses_outside): Use find_interesting_uses_op.
12299 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12302 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12304 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12305 Ulrich Weigand <uweigand@de.ibm.com>
12308 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12309 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12310 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12311 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12313 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12314 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12315 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12316 Define secondary reloads for TFmode moves.
12317 (constant_modes): Add TFmode.
12318 (NR_C_MODES): Set to 8.
12319 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12321 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12322 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12323 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12324 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12325 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12326 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12327 (FPR mode macro): Add TFmode.
12328 (DSF mode macro): New.
12329 (<de>, <dee> mode attributes): Removed.
12330 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12331 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12332 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12333 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12334 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12335 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12336 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12337 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12338 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12339 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12340 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12341 "*negabs<mode>2", "sqrt<mode>2"):
12342 Changed <de> to <xde>. R constraint replaced by <Rf>.
12343 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12345 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12346 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12347 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12349 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12350 "extenddftf2", "extendsftf2"): New expanders.
12351 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12352 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12353 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12354 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12356 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12357 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12358 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12359 __floatditf): Add a GCC_4.1.0 symbol version tag.
12360 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12363 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12366 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12367 Use targetm.binds_local_p instead of TREE_PUBLIC.
12369 2006-02-02 Roger Sayle <roger@eyesopen.com>
12371 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12372 on INTEGER_TYPEs to indicate that it denotes a character type.
12373 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12374 signed_char_type_node, unsigned_char_type_node and char_type_node.
12375 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12376 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12377 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12379 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12380 Daniel Berlin <dberlin@dberlin.org>
12382 * tree-tailcall.c (arg_needs_copy_p): New function.
12383 (eliminate_tail_call): Use arg_needs_copy_p.
12384 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12385 (add_virtual_phis): New function.
12387 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12389 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12390 #ignore instead of #scratch for %g7 .register directive.
12392 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12394 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12397 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12399 * flow.c (calculate_global_regs_live): Assert that there aren't any
12402 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12404 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12405 what its name says.
12406 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12407 bsi_after_labels iterator.
12408 * tree-if-conv.c (find_phi_replacement_condition,
12409 replace_phi_with_cond_modify_expr): Likewise.
12410 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12411 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12413 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12415 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12417 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12420 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12421 array after growing it.
12423 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12425 PR middle-end/24901
12426 * fold-const.c (fold_checksum_tree): Change type of buf.
12428 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12430 * reload.c (push_secondary_reload): Initialize t_icode.
12432 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12434 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12435 -msoft-float -mlong-double-128 only issue a warning, but don't
12436 swich to DFmode long double.
12438 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12440 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12441 has a constant equivalent, iterate over equivalents for arg0,
12442 calling simplify_relational_operation and if there's a result
12443 cheaper than X, apply fold_rtx and return the result.
12445 2006-02-01 Jan Hubicka <jh@suse.cz>
12447 * opts.c (no_unit_at_a_time_default): New global variable.
12448 (decode_options): Use it.
12449 * opts.h (no_unit_at_a_time_default): Declare.
12451 2006-02-01 Paul Brook <paul@codesourcery.com>
12453 * function.c (assign_parm_setup_reg): Use function argument promotion
12455 * expr.c (expand_expr_real_1): Use function argument promotion rules
12458 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12460 * gcc.c (process_command): Change j to 'unsigned int'.
12462 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12464 PR middle-end/26001
12465 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12466 Use the corrected index for the character
12467 out of the string constant.
12469 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12471 * mode-switching.c (optimize_mode_switching): Fix size
12472 allocated for bb_info[n_entities].
12474 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12476 * gcc.c (main): Correct type that is allocated for
12477 explicit_link_files.
12479 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12481 * config/s390/s390.c (init_alignment_context): Set
12482 ALIAS_SET_MEMORY_BARRIER on the MEM.
12483 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12485 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12487 PR middle-end/25933
12488 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12490 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12493 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12495 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12496 * regrename.c: Ditto.
12497 * tree-ssa-loop-im.c: Ditto.
12498 * tree-dump.c: Ditto.
12499 * tree-complex.c: Ditto.
12500 * genrecog.c: Ditto.
12501 * tree-ssa-threadupdate.c: Ditto.
12503 * java/class.c: Ditto.
12504 * java/jcf-parse.c: Ditto.
12505 * java/resource.c: Ditto.
12506 * java/except.c: Ditto.
12507 * java/jvspec.c: Ditto.
12508 * java/jcf-write.c: Ditto.
12509 * java/jcf-path.c: Ditto.
12510 * java/gjavah.c: Ditto.
12511 * java/zextract.c: Ditto.
12512 * java/jcf-io.c: Ditto.
12513 * java/jcf.h: Ditto.
12514 * java/buffer.c: Ditto.
12515 * java/lang.c: Ditto.
12516 * java/parse-scan.y: Ditto.
12517 * java/lex.c: Ditto.
12518 * java/lex.h: Ditto.
12519 * cfgloopmanip.c: Ditto.
12520 * postreload-gcse.c: Ditto.
12521 * tree-ssa-loop-manip.c: Ditto.
12522 * postreload.c: Ditto.
12523 * tree-ssa-loop-ch.c: Ditto.
12526 * cppspec.c: Ditto.
12527 * diagnostic.c: Ditto.
12529 * genoutput.c: Ditto.
12531 * cfghooks.c: Ditto.
12532 * cfgloopanal.c: Ditto.
12533 * objc/objc-act.c: Ditto.
12535 * genextract.c: Ditto.
12536 * genautomata.c: Ditto.
12537 * pretty-print.c: Ditto.
12538 * genemit.c: Ditto.
12539 * cgraphunit.c: Ditto.
12541 * df-scan.c: Ditto.
12542 * haifa-sched.c: Ditto.
12543 * dominance.c: Ditto.
12545 * tree-ssa-loop-ivopts.c: Ditto.
12546 * df-core.c: Ditto.
12547 * mode-switching.c: Ditto.
12548 * modulo-sched.c: Ditto.
12550 * ipa-pure-const.c: Ditto.
12552 * fix-header.c: Ditto.
12554 * tree-stdarg.c: Ditto.
12555 * ipa-utils.c: Ditto.
12556 * loop-init.c: Ditto.
12557 * ipa-inline.c: Ditto.
12558 * cfganal.c: Ditto.
12560 * alloc-pool.c: Ditto.
12561 * dwarf2out.c: Ditto.
12563 * genattrtab.c: Ditto.
12564 * tree-ssa-loop-ivcanon.c: Ditto.
12565 * predict.c: Ditto.
12566 * timevar.c: Ditto.
12568 * fortran/gfortranspec.c: Ditto.
12569 * regmove.c: Ditto.
12570 * local-alloc.c: Ditto.
12571 * langhooks.c: Ditto.
12572 * function.c: Ditto.
12573 * tree-vectorizer.c: Ditto.
12575 * ipa-type-escape.c: Ditto.
12577 * tree-if-conv.c: Ditto.
12578 * profile.c: Ditto.
12580 * tree-data-ref.c: Ditto.
12581 * loop-unroll.c: Ditto.
12582 * treelang/treetree.c: Ditto.
12584 * bt-load.c: Ditto.
12585 * ggc-common.c: Ditto.
12587 * coverage.c: Ditto.
12589 * tree-cfgcleanup.c: Ditto.
12590 * tree-ssa-pre.c: Ditto.
12591 * cfgcleanup.c: Ditto.
12592 * loop-invariant.c: Ditto.
12593 * loop-iv.c: Ditto.
12594 * ipa-prop.c: Ditto.
12595 * print-tree.c: Ditto.
12596 * conflict.c: Ditto.
12597 * ggc-page.c: Ditto.
12598 * sched-deps.c: Ditto.
12599 * regclass.c: Ditto.
12600 * tree-object-size.c: Ditto.
12601 * combine.c: Ditto.
12602 * bb-reorder.c: Ditto.
12603 * resource.c: Ditto.
12604 * var-tracking.c: Ditto.
12605 * cfgloop.c: Ditto.
12606 * df-problems.c: Ditto.
12607 * reg-stack.c: Ditto.
12609 * gccspec.c: Ditto.
12610 * sched-rgn.c: Ditto.
12611 * tree-ssa-structalias.c: Ditto.
12612 * tree-ssa-reassoc.c: Ditto.
12613 * config/darwin-c.c: Ditto.
12614 * config/darwin.c: Ditto.
12615 * config/arm/arm.c: Ditto.
12617 * collect2.c: Ditto.
12618 * reload1.c: Ditto.
12620 2006-01-31 Nicolas Pitre <nico@cam.org>
12622 * arm.md (smaxsi3): Make aware of smax_m1.
12625 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12627 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12629 2006-01-31 Richard Guenther <rguenther@suse.de>
12631 * doc/invoke.texi (-msselibm): Document.
12632 * target.h (expand_library_builtin): New target hook.
12633 * builtins.c (expand_builtin): Use expand_library_builtin.
12634 (default_expand_library_builtin): New function.
12635 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12636 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12637 (link_gcc_math_spec): Declare.
12638 (static_specs): Add link_gcc_math_spec.
12639 * expr.h (default_expand_library_builtin): Declare.
12640 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12641 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12642 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12643 * config/i386/i386.opt (msselibm): New target option.
12644 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12645 (ix86_init_sse_abi_builtins): New function.
12646 (ix86_expand_library_builtin): Likewise.
12647 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12648 (override_options): Handle error conditions wrt -msselibm.
12649 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12650 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12651 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12654 2006-01-31 Richard Guenther <rguenther@suse.de>
12655 Paolo Bonzini <bonzini@gnu.org>
12657 * doc/install.texi (--disable-libgcc-math): Document.
12659 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12661 * expr.h (expand_normal): new inline function.
12662 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12663 * dojump.c: use it.
12664 * dwarf2out.c: use it.
12667 * expmed.c: use it.
12668 * except.c: use it.
12669 * config/sparc/sparc.c: use it.
12670 * config/i386/i386.c: use it.
12671 * config/rs6000/rs6000.c: use it.
12672 * config/arm/arm.c: use it.
12673 * config/mips/mips.c: use it.
12674 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12676 2006-01-30 Roger Sayle <roger@eyesopen.com>
12678 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12679 argv to the appropriate type.
12681 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12683 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12686 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12689 * config/s390/s390.c (struct machine_function): New flag
12690 decomposed_literal_pool_addresses_ok_p.
12691 (s390_reorg): Set it before final stage of literal pool transforms.
12692 (s390_decompose_address): Only accept displacements of the form
12693 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12695 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12697 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12698 the comparison routine return.
12700 2006-01-30 Michael Matz <matz@suse.de>
12702 * global.c (find_reg): Only evict for global regs.
12703 Take n_refs into account and dump more info.
12705 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12708 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12709 (pragma_trap, pragma_nosave_low_regs): Likewise.
12710 (current_function_anonymous_args): Likewise.
12711 (sh_deferred_function_attributes): New variable.
12712 (sh_deferred_function_attributes_tail): Likewise.
12713 (print_operand): For '@', look up trap_exit attribute.
12714 (calc_live_regs): Look up trapa_handler attribute. For trapa
12715 handlers, save/restore fpscr, but don't do any other
12716 interrupt-specific saves.
12717 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12718 Fix check for partially saved registers to check for SHmedia.
12719 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12720 (sh_output_function_epilogue): Don't clear any of the removed
12722 (sh_insert_attributes): Don't check pragma_interrupt.
12723 Insert deferred attributes. Check that interrupt attribute is
12724 present for other attributes that require its presence.
12725 (sh_attribute_table): Add new attributes trapa_handler and
12727 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12728 Don't check for pragma_interrupt. Don't store argument.
12729 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12730 (sh_deferred_function_attributes): Declare.
12731 (sh_deferred_function_attributes_tail): Likewise.
12732 * sh.md (sp_switch_1): Add operand. Change generator caller.
12733 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12734 (*return_i): Don't use when trap_exit attribute is in effect.
12735 (*return_trapa): New insn pattern.
12736 * sh-c.c: New file.
12737 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12738 setting c_target_objs and cxx_target_objs.
12739 * t-sh: Add rule for sh-c.o.
12741 2006-01-30 Richard Guenther <rguenther@suse.de>
12744 * gimplify.c (gimplify_target_expr): Handle easy cases
12745 without creating a temporary.
12747 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12749 * vec.h (safe_grow): Remove duplicated line.
12751 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12754 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12755 (expand_omp): ... here.
12756 (expand_omp_parallel): Only remove barriers for combined
12757 parallel+workshare constructs.
12759 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12763 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12764 * tree.c (build_qualified_type): Chain the new type to the original
12765 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12766 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12767 (build_pointer_type_for_mode): Only return unqualified types.
12768 (build_reference_type_for_mode): Likewise.
12770 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12772 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12773 * Makefile.in (CXX_COMPAT_WARN): Define.
12774 * configure: Regenerate.
12776 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12779 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12782 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12784 * toplev.c: Fix thinko.
12786 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12787 Marcin Dalecki <martin@dalecki.de>
12789 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12790 (push_srcloc): Use XNEW.
12791 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12793 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12795 * df-core.c (df_set_blocks): Deleted all variable.
12797 2006-01-28 Ian Lance Taylor <ian@airs.com>
12799 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12800 cgraph_output_pending_asms.
12802 2006-01-28 Zack Weinberg <zackw@panix.com>
12804 * c.opt: Add -W(no-)overlength-strings.
12805 * doc/invoke.texi: Document it.
12806 * c-opts.c (c_common_handle_option): -pedantic implies
12807 -Woverlength-strings, if not explicitly disabled already.
12808 (c_common_post_options): -Woverlength-strings defaults to off, and
12809 is always off for C++.
12810 * c-common.c (fix_string_type): Issue warning about strings longer
12811 than is portable only if warn_overlength_strings. Rearrange code
12812 a little for clarity.
12813 * configure.in: Check for -Wno-overlength-strings as well before
12814 enabling -pedantic in stage 1.
12815 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12816 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12818 * genconditions.c (write_header, write_one_condition)
12819 (write_conditions, write_writer): Consolidate very long strings
12820 that were broken up to fit in C89 portable limit. Don't use
12821 printf when fputs will do.
12823 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12825 * combine.c (simplify_comparison <AND>): Check
12826 TRULY_NOOP_TRUNCATION before start using a subreg.
12828 * config/mips/mips.md (*branch_zero<mode>,
12829 *branch_zero<mode>_inverted, *branch_equality<mode>,
12830 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12831 Remove mode check from comparisons.
12833 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12835 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12837 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12839 * expmed.c (const_mult_add_overflow_p): Remove.
12840 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12842 * recog.c (validate_replace_rtx_subexp): Remove.
12843 * recog.h: Remove the prototype for
12844 validate_replace_rtx_subexp.
12846 * integrate.h: Remove the prototype for
12847 copy_decl_for_inlining.
12848 * rtl.h: Remove the prototype for mark_constant_function.
12849 * tree-vectorizer.h: Remove the prototype for
12850 vect_strip_conversion.
12852 * modulo-sched.c (create_partial_schedule,
12853 free_partial_schedule, reset_partial_schedule): Make them
12856 * hooks.c (hook_bool_rtx_int_false): Remove.
12857 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12859 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12861 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12862 and -mlong-double-128 are incompatible.
12863 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12864 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12865 (TARGET_LIBGCC2_CFLAGS): Define.
12866 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12867 (TARGET_LIBGCC2_CFLAGS): Same.
12868 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12870 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12873 * c-typeck.c (build_binary_op): Perform implicit casts of
12874 operands before shortening them.
12876 * cfgloopmanip.c (split_loop_bb): Remove.
12877 * cfgloop.h: Remove the prototype for split_loop_bb.
12879 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12880 * cfgloop.h: Remove the prototype for
12881 flow_loop_outside_edge_p.
12883 * emit-rtl.c (init_virtual_regs): Make it static.
12884 * function.h: Remove the prototype for init_virtual_regs.
12886 * recog.c (peephole2_optimize): Make it static.
12887 * recog.h: Remove the prototype for peephole2_optimize.
12889 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12891 * df-scan.c (df_record_entry_block_defs): Check if
12892 INCOMING_RETURN_ADDR_RTX is defined.
12894 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12895 Kenneth Zadeck <zadeck@naturalbridge.com>
12897 PR rtl-optimization/24762
12898 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12899 * targhooks.c (hook_void_bitmap): New hook prototype.
12900 * targhoohs.h (hook_void_bitmap): Ditto.
12901 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12902 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12903 * target.h (live_on_entry): New function pointer.
12904 * df-scan.c (df_all_hard_regs): Removed.
12905 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12906 (df_scan_free_internal): Added df->entry_block_defs.
12907 (df_scan_alloc): Ditto.
12908 (df_scan_dump): Ditto.
12909 (df_uses_record): Plumbed flag field properly thru calls.
12910 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12911 This part fixes PR24762.
12912 (df_bb_refs_record): Added code to make the frame and arg
12913 pointers live in EH blocks.
12914 (df_refs_record): Added call to df_record_entry_block_defs.
12915 (df_record_entry_block_defs): New function.
12916 * df-core.c: Added comments to describe new artifical defs.
12917 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12918 (entry_block_defs): New field in struct df.
12919 (df_all_hard_regs): Deleted.
12920 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12921 * df-problems.c (df_ru_bb_local_compute_process_def):
12922 Added code to handle artifical defs in the entry to a function.
12923 (df_ru_bb_local_compute): Ditto.
12924 (df_rd_bb_local_compute_process_def): Ditto.
12925 (df_rd_bb_local_compute): Ditto.
12926 (df_lr_bb_local_compute): Ditto.
12927 (df_ur_bb_local_compute): Ditto.
12928 (df_urec_bb_local_compute): Ditto.
12929 (df_chain_create_bb): Ditto.
12930 (df_ur_local_finalize): Removed entry.
12931 (df_urec_init): Ditto.
12932 (df_urec_local_finalize): Ditto.
12933 (df_ri_bb_compute): Added detection of last use of pseudos.
12934 * Makefile.in (df-scan.o): Updated dependencies.
12935 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12936 * config/mips/mips.c (mips_set_live_on_entry): Added.
12937 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12939 * dce.c (marked_insn_p): Added code to handle artifical defs.
12941 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12943 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12945 (_mm_cvtsi128_si64): Likewise.
12946 (_mm_cvtsd_si64): Likewise.
12947 (_mm_cvttsd_si64): Likewise.
12948 (_mm_cvtsi64_sd): Likewise.
12949 (_mm_cvtsi64_si128): Likewise.
12950 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12951 (_mm_cvtsi64_m64): Likewise.
12952 (_m_to_int64): Likewise.
12953 (_mm_cvtm64_si64): Likewise.
12954 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12955 (_mm_cvttss_si64): Likewise.
12956 (_mm_cvtsi64_ss): Likewise.
12957 (_mm_cvtss_f32): Likewise.
12959 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12961 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12962 for pragma redefine_extname.
12964 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12967 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12968 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12969 -mno-minimal-toc to previous content.
12970 (bispecs): Remove goal.
12971 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12972 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12973 compatibility aliases on powerpc-*-*gnu*.
12974 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12975 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12976 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12977 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12978 (ldblspecs): New goal.
12979 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12980 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12982 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12983 L_sf_to_tf or L_df_to_tf is defined.
12985 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12986 Alan Modra <amodra@bigpond.net.au>
12989 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12990 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12991 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12992 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12993 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12994 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12995 (rs6000_override_options): Initialize rs6000_ieeequad.
12996 Initialize TFmode format to ibm_extended_format if not
12998 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13000 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13001 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13002 (function_arg_advance): IBM long double passed in two FPRs, not
13004 (function_arg): IBM long double passed in FPRs.
13005 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13006 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13007 Only multireg GPR aligned.
13008 (rs6000_init_libfuncs): Enable IBM long double functions if not
13010 (rs6000_generate_compare): Use IBM long double compare if not
13012 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13013 (TARGET_IEEEQUAD): Define.
13014 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13015 not TARGET_IEEEQUAD.
13016 * config/rs6000/rs6000.md: Enable TFmode patterns if
13018 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13019 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13020 and -mlong-double-128 are incompatible.
13021 * doc/invoke.texi (-mabi): Collect options together. Add
13022 ibmlongdouble and ieeelongdouble.
13024 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13026 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13028 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13029 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13030 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13031 * rtl.h (rtunion_def): Remove rt_ptr.
13033 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13034 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13035 * config/i386/winnt.c (i386_pe_mark_dllexport)
13036 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13038 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13040 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13042 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13046 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13047 pthread_key_delete. From John David Anglin. gthrw-ify
13048 pthread_getunique_np only if it it's not a macro. Delete
13050 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13051 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13052 __gthread_objc_condition_signal, __gthread_key_delete): Add
13053 "__attribute__ ((__unused__))" to unused arguments.
13054 (__gthread_recursive_mutex_init_function): Add missing return.
13055 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13056 gthr-posix95.h: Use macro-based approach for name redirection
13057 on targets missing weakref.
13059 2006-01-26 Zack Weinberg <zackw@panix.com>
13061 * genconditions.c (write_header): In generated code, #ifdef out
13062 all includes and fake declarations, except includes of bconfig.h
13063 and system.h, unless GCC_VERSION >= 3001. Do not include
13064 gensupport.h in any case.
13065 (write_conditions): Generate a definition of struct c_test. Add
13066 a comment to the generated #endif.
13067 (write_one_condition): Escape backslashes in string too.
13068 (write_writer): Generated code must escape backslashes and quote
13069 marks (but not newlines) in the strings it writes.
13070 * Makefile.in (build/gencondmd.o): Update dependencies.
13072 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13075 * Makefile.in (insn-automata.o): Add header file dependencies.
13076 * genautomata.c: Add includes.
13078 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13081 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13083 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13085 * configure.ac: Expect target tools paths to be passed from the toplevel
13086 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13088 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13090 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13093 * c.opt (Wpointer-sign): Init to -1.
13094 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13095 OPT_pedantic, to 0 otherwise.
13096 * doc/invoke.texi: Update.
13098 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13100 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13101 constants provided by 80387 instructions in the destination mode.
13103 2006-01-26 Richard Guenther <rguenther@suse.de>
13104 Andrew Pinski <pinskia@physics.uc.edu>
13107 partial PR tree-opt/17064
13108 * tree-ssa-structalias.c (intra_create_variable_infos):
13109 Create heap variables for incoming parameters if
13110 flag_argument_noalias > 1.
13111 (find_what_p_points_to): Look through default defs of
13114 2006-01-26 Jeff Law <law@redhat.com>
13117 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13118 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13119 within the VR_RANGE, use the VR_RANGE as the result, not the
13121 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13122 bounds for the type.
13124 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13126 * tree-ssa-alias.c (maybe_create_global_var): Change
13127 subvar walking to an assertion that we don't have subvar'd variables.
13129 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13132 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13133 Use a new variable, inner. PARM_DECLs are always non-weak.
13135 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13137 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13138 --disable-checking.
13140 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13142 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13144 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13146 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13147 (smax_insn, smin_insn, smax_0, smin_0): New.
13149 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13152 * config/cris/cris.c (cris_order_for_addsi3): New function.
13153 * config/cris/cris-protos.h: Prototype it.
13154 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13155 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13156 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13157 (split for "op.S1 [rx=rx+i],ry (swapped)")
13158 (split for "op(s|u).S1 [rx=rx+i],ry")
13159 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13160 Apply cris_order_for_addsi3 when generating addsi3 insns.
13162 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13164 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13165 (TREE_BLOCK): Add call to EXPR_CHECK.
13167 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13170 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13171 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13172 (dump_omp_clauses): ... here.
13173 (dump_generic_node): Handle OMP_CLAUSE.
13174 * tree.c (omp_clause_num_ops): New.
13175 (omp_clause_code_name): New.
13176 (tree_code_size): Handle OMP_CLAUSE.
13177 (tree_size): Likewise.
13178 (make_node): Document handling of OMP_CLAUSE.
13179 (tree_node_structure): Handle OMP_CLAUSE.
13180 (omp_clause_check_failed): New.
13181 (omp_clause_range_check_failed): New.
13182 (omp_clause_operand_check_failed): New.
13183 (build_omp_clause): New.
13184 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13185 * tree.h (enum omp_clause_code): Declare.
13186 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13187 (OMP_CLAUSE_RANGE_CHECK): Define.
13188 (OMP_CLAUSE_ELT_CHECK): Define.
13189 (omp_clause_check_failed): Declare.
13190 (omp_clause_operand_check_failed): Declare.
13191 (omp_clause_range_check_failed): Declare.
13192 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13193 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13194 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13195 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13196 (OMP_CLAUSE_IF_EXPR): Likewise.
13197 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13198 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13199 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13200 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13201 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13202 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13203 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13204 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13205 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13206 (OMP_CLAUSE_CODE): Define.
13207 (OMP_CLAUSE_SET_CODE): Define.
13208 (OMP_CLAUSE_CODE): Define.
13209 (OMP_CLAUSE_OPERAND): Define.
13210 (struct tree_omp_clause): Declare.
13211 (union tree_node): Add field 'omp_clause'.
13212 * treestruct.def (TS_OMP_CLAUSE): Define.
13213 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13214 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13215 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13216 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13217 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13218 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13219 (OMP_CLAUSE): Define.
13220 * print-tree.c (print_node): Handle OMP_CLAUSE.
13221 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13222 * c-typeck.c: Likewise.
13223 * gimplify.c: Likewise.
13224 * c-omp.c: Likewise.
13225 * tree-nested.c: Likewise.
13226 * tree-inline.c: Likewise.
13227 * c-parser.c: Likewise.
13228 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13231 2006-01-25 Roger Sayle <roger@eyesopen.com>
13233 PR rtl-optimization/25703
13234 * combine.c (try_combine): Handle zero_extract and strict_low_part
13235 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13237 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13239 * global.c: Fix comment typos.
13241 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13244 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13245 Use output_addr_const instead of assemble_name.
13247 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13249 * Makefile.in (sched-vis.o): Update dependencies.
13250 * haifa-sched.c (sched_finish): Clear current_sched_info.
13251 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13252 (dump_flow_info): Call it.
13253 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13255 * basic-block.h (dump_bb_info): Declare.
13256 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13257 option, and apply options only for dump files whose TDF_RTL,
13258 TDF_TREE, or TDF_IPA bits match.
13259 * rtl.h: Declare new functions exported from sched-vis.c.
13260 * sched-vis.c: Enable also if scheduling is not used.
13261 (print_value): Print the mode of registers if not inside scheduling.
13262 (print_insn): Make it work outside the scheduler. Beautify the output
13264 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13266 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13268 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13269 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13270 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13271 depending on the value of CONSTANT_POOL_ADDRESS_P.
13272 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13274 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13275 rather than SYMBOL_REF_DECL.
13276 (rtx_constant_pool): Remove const_rtx_sym_htab.
13277 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13278 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13279 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13280 Remove handling of const_rtx_sym_htab.
13281 (find_pool_constant): Delete.
13282 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13283 rather than find_pool_constant.
13284 (get_pool_constant_for_function): Delete.
13285 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13286 find_pool_constant.
13287 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13288 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13289 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13290 (SYMBOL_REF_CONSTANT): New macro.
13291 (get_pool_constant_for_function): Delete.
13292 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13293 rather than SYMBOL_REF_DECL.
13294 (i386_pe_mark_dllimport): Likewise.
13295 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13296 rather than SYMBOL_REF_DECL.
13297 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13298 (machopic_indirect_call_target): Likewise.
13300 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13302 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13304 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13306 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13308 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13310 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13312 2006-01-24 David Daney <ddaney@avtrex.com>
13315 * configure.ac (enable_tls): New enable option.
13316 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13317 * configure: Regenerate.
13318 * doc/install.texi (--enable-tls): Document new option.
13319 (--disable-tls): Ditto.
13321 2006-01-24 Richard Henderson <rth@redehat.com>
13323 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13324 * alias.c (true_dependence): Respect it.
13325 (canon_true_dependence, write_dependence_p): Likewise.
13326 * builtins.c (get_builtin_sync_mem): Set it.
13328 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13330 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13333 2006-01-24 DJ Delorie <dj@redhat.com>
13335 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13336 for storing constants in single-bit bitfields.
13338 2006-01-25 Ben Elliston <bje@au.ibm.com>
13340 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13342 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13345 * tree-ssa-pre.c (phi_translate): Return NULL
13346 for AGGREGATE_TYPE's.
13348 2006-01-24 Zack Weinberg <zackw@panix.com>
13350 * genautomata.c (process_state_for_insn_equiv_partition):
13351 Use xcalloc for insn_arcs_array.
13352 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13353 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13355 2006-01-24 Richard Henderson <rth@redhat.com>
13357 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13358 update all callers.
13360 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13362 PR rtl-optimization/25890
13363 PR rtl-optimization/25905
13364 * combine.c (expand_compound_operation, expand_field_assignment):
13365 Fail if the bitfield's final position is out of bounds.
13367 2006-01-24 Ian Lance Taylor <ian@airs.com>
13369 PR middle-end/25930
13370 * cgraphunit.c (cgraph_output_in_order): Don't clear
13371 cgraph_asm_nodes until after asm strings have been output.
13373 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13375 * fix-header.c (read_scan_file): Add new parameter imultilib when
13376 calling register_include_chains.
13378 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13380 * omp-low.c: Update documentation.
13382 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13383 Daniel Berlin <dberlin@dberlin.org>
13387 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13388 return from the function.
13390 2006-01-22 Zack Weinberg <zackw@panix.com>
13392 * rtl.def (match_code): Add second argument.
13393 * genpreds.c (write_extract_subexp): New function.
13394 (write_match_code): Add path argument. Use write_extract_subexp.
13395 (write_predicate_expr): Pass path to write_match_code.
13396 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13397 not perform a mode test.
13398 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13399 a subexpression does not constrain the top-level code set.
13400 * read-rtl.c (read_rtx_variadic): New function.
13401 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13402 * doc/md.texi: Document new notation.
13403 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13404 (cmpsi_operand): ... here, using new notation.
13406 2006-01-22 Zack Weinberg <zackw@panix.com>
13408 * varray.c: Remove GENERATOR_FILE #ifdefs.
13410 2006-01-22 Zack Weinberg <zackw@panix.com>
13412 * genautomata.c (output_reserved_units_table): Emit nothing if
13413 description->query_units_num is zero. Remove extra blank line.
13414 (output_cpu_unit_reservation_p): Short circuit
13415 if description->query_units_num is zero.
13417 2006-01-22 Zack Weinberg <zackw@panix.com>
13419 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13420 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13421 nor any of the random handful of variables that used to be necessary
13422 when this program was linked with rtlanal.o. Prune set of forward
13423 function declarations.
13424 (struct attr_desc): Remove static_p field.
13425 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13426 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13427 (attr_string): Do not read the character one past the length of
13429 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13430 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13431 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13432 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13433 (make_automaton_attrs): New.
13434 (main): Do not call into genautomata. Call local gen_bypass
13435 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13436 Remove special case for insn_alts.
13437 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13438 varray.h (leftover from previous change). Prune set of forward
13439 function declarations. Remove state_alts fields from all
13440 structures. Remove state_alts_table from struct automaton.
13441 Make everything except main static. Do not maintain num_dfa_decls.
13442 Do not maintain state_alts fields of various structures.
13443 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13444 (add_arc): Remove state_alts argument. All callers updated.
13445 (output_reserved_units_table): Emit #ifdef here...
13446 (output_tables): ...not here. Don't generate state_alts tables.
13447 (expand_automata): Don't generate attributes.
13448 (write_automata): Don't generate state_alts functions.
13449 (main): New function.
13450 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13451 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13452 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13453 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13454 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13455 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13456 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13457 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13459 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13460 * genattrtab.h: Delete file.
13461 * Makefile.in (OBJS-common): Add insn-automata.o.
13462 (insn-automata.o): New rule.
13463 (simple_generated_c): Add insn-automata.c.
13464 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13465 (genprogmd): Add automata.
13466 (build/genattrtab): Needs no extra objects nor libraries.
13467 (build/genautomata): Needs build/vec.o and -lm.
13469 2006-01-22 Zack Weinberg <zackw@panix.com>
13471 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13472 (output_dfa_max_issue_rate, locked_states_num): Delete.
13473 (struct automaton): Add locked_states field.
13474 (output_dead_lock_vect): Save number of locked states in
13475 automaton->locked_states. If it is zero, don't print anything.
13476 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13477 (output_internal_dead_lock_func): Only test the dead_lock_vect
13478 for automata that have locked states.
13479 (output_statistics): Always print the number of locked states for
13480 each automaton. Calculate total number of locked states here.
13481 (write_automata): Don't call output_dfa_max_issue_rate.
13482 * genattrtab.c: Define length_unit_log as a const variable.
13483 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13484 max_insn_queue_index const.
13485 * final.c (length_unit_log): Declare const.
13486 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13488 2006-01-22 Zack Weinberg <zackw@panix.com>
13490 * genautomata.c: Include vec.h, not varray.h.
13491 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13492 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13493 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13494 VEC_* macros operating on appropriately typed vectors, or to
13495 malloced arrays when the size is known in advance. Const-ify
13496 many char* variables and function arguments. No functional changes.
13497 * Makefile.in (build/varray.o): Delete rule.
13498 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13499 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13501 2006-01-22 Zack Weinberg <zackw@panix.com>
13503 * gensupport.c: Define get_insn_name and record_insn_name here.
13504 (read_md_rtx): Call record_insn_name as appropriate.
13505 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13506 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13507 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13509 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13510 (BUILD_VARRAY): Delete.
13511 (genprognormal): Rename genprogmd. Fold in all programs from
13512 genprognoprint; also attrtab.
13513 (build/genattrtab): Just mention genautomata.o and varray.o.
13514 Reorganize a bit, add comments to make the categories clearer.
13516 2006-01-22 Zack Weinberg <zackw@panix.com>
13518 * genconditions.c (condition_table, add_condition): Delete.
13519 (write_conditions): Don't emit n_insn_conditions nor
13520 insn_elision_unavailable. Issue the gcc version #ifdef here,
13521 inside the table, with no #else clause ...
13522 (write_header): ...not here.
13523 (write_writer): New function.
13524 (main): Don't initialize condition_table. Use add_c_test.
13526 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13527 files on the command line.
13528 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13529 Return -1 if there is no entry in the table, don't abort.
13530 (add_c_test, traverse_c_tests): New functions.
13531 * gensupport.h (insn_elision_unavailable, insn_conditions)
13532 (n_insn_conditions): Delete declarations.
13533 (add_c_test, traverse_c_tests): Declare.
13534 * read-rtl.c: Include gensupport.h.
13535 (read_conditions): New function.
13536 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13537 (read_rtx_1): If we get EOF when we were looking for an initial
13538 open paren, return 0. Call read_conditions when appropriate.
13539 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13540 dummy-conditions.o. Eliminate references to insn-conditions.o,
13541 or change them to build/gencondmd.o, as appropriate. Remove
13542 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13543 from $(simple_generated_c). For all files remaining in those
13544 two lists, add insn-conditions.md to the generator command line.
13545 Give insn-constants.h/s-constants their own rules. Add rules
13546 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13547 (build/read-rtl.o): Depend on gensupport.h.
13548 (genprognormal): Include preds.
13549 (genprogearly): Rename genprognoprint; only difference is now that
13550 they don't link with $(BUILD_PRINT).
13551 * dummy-conditions.c: Delete.
13553 2006-01-22 Zack Weinberg <zackw@panix.com>
13555 * genextract.c: Don't include insn-config.h. Do include vec.h.
13556 Declare vectors of int, char, and locstr.
13557 (locstr): New typedef.
13558 (struct extraction): Make all array fields into bare pointers.
13559 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13560 (insn_code_number): Delete.
13561 (accum_extract): New struct.
13562 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13563 (gen_insn): Take insn_code_number as an argument. Use an
13564 accum_extract structure instead of loading data directly into
13565 a struct extraction, and having to know how big it might get.
13566 (walk_rtx): Operate entirely on an accum_extract structure.
13567 (print_path): Avoid unnecessary use of printf.
13568 (print_header): New function, split out of main. Distinguish
13569 more carefully between an unrecognizable insn and an insn that
13570 has the code number of a define_expand.
13571 (main): Pass insn_code_number to gen_insn. Call print_header
13572 only after parsing. Avoid unnecessary use of printf.
13573 * Makefile.in (build/vec.o): New rule.
13574 (build/genextract): Depend on build/vec.o.
13575 (build/genextract.o): Don't depend on insn-config.h.
13577 2006-01-22 Zack Weinberg <zackw@panix.com>
13579 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13580 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13581 practical. Eliminate per-generator-program link rules.
13583 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13585 PR middle-end/24437
13586 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13587 with a call expr to ...
13588 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13590 2006-01-23 Richard Guenther <rguenther@suse.de>
13592 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13593 before make_edge with conditional EDGE_TRUE_VALUE.
13595 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13596 Jan Hubicka <jh@suse.cz>
13597 Richard Guenther <rguenther@suse.de>
13599 PR rtl-optimization/25654
13600 * cfgexpand.c (aggregate_contains_union_type): New function.
13601 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13602 for structure variables that contain a union type.
13604 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13606 * gengtype.c (new_structure): Return the structure.
13607 (create_option): Add an extra "next" argument.
13608 (create_field): New function.
13609 (adjust_field_rtx_def): Use create_option and create_field.
13610 Remove a now-unnecessary call to find_structure.
13611 (adjust_field_tree_def): Likewise.
13612 (note_yacc_type): Remove an unnecessary call to find_structure.
13613 * gengtype.h (new_structure): Return the structure.
13614 (create_option): Add an extra argument.
13615 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13616 (option): Adjust calls to create_option.
13618 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13620 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13622 2006-01-22 Paul Brook <paul@codesourcery.com>
13623 Peter Barada <peter@the-baradas.com>
13625 * config/m68k/m68k.md: Add Coldfire FPU support.
13626 Define FP mode macro and associated attributes.
13627 Use it for float mode patterns.
13628 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13629 (LIBCALL_VALUE): Use m68k_libcall_value.
13630 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13631 (m68k_function_value): Ditto.
13632 (emit_move_sequence): Ditto.
13633 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13634 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13635 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13636 (MULTILIB_EXCEPTIONS): Ditto.
13637 * config/m68k/m68k.opt: Add mcfv4e.
13638 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13639 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13640 (m68k_output_function_prologue): Save ColdFire FPU registers.
13641 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13642 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13643 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13644 ColdFire FPU registers.
13645 (m68k_libcall_value, m68k_function_value): New functions.
13646 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13647 (LIBCALL_VALUE): Use m68k_libcall_value.
13648 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13649 (MASK_COLDFIRE): Add MASK_CFV4E.
13650 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13651 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13652 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13653 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13654 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13655 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13656 * doc/invoke.tex: Document -mcfv4e on m68k.
13658 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13660 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13663 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13666 * c-opts.c (c_common_handle_option): Don't include
13667 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13668 * doc/invoke.texi (C++ Dialect Options): Document that
13669 -Wnon-virtual-dtor is no longer included in -Wall.
13671 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13673 * gcov.c (print_version), gcov-dump.c (print_version),
13674 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13677 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13679 * df-scan.c (problem_SCAN): Added NULL reset function.
13680 (df_scan_reset_blocks): Added code to call reset block function
13681 (df_bb_refs_delete) Fixed comment.
13682 (df_insn_refs_delete): Made tolerant of deleting non existent info
13683 for dataflow problems that need to be reset.
13684 * df-core.c (df_set_blocks): Ditto.
13685 * df.h (struct df_problem): Added reset_fun.
13686 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13687 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13688 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13689 functions to clear out all references to def-use or use-def chains.
13691 2006-01-21 Ben Elliston <bje@au.ibm.com>
13693 * varasm.c (assemble_real): Initialise data array.
13695 2006-01-20 Paul Brook <paul@codesourcery.com>
13697 Merge from csl-arm-branch.
13698 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13699 * config/arm/arm.md (movdi): Force operands[1] to a register
13700 if we have a non-register source.
13701 (*arm_movdi, *movdf_soft_insn): Require that one of the
13702 operands be a register.
13703 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13704 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13706 2006-01-20 DJ Delorie <dj@redhat.com>
13708 * varasm.c (initializer_constant_valid_p): Allow pointers
13709 initialized from integer constants of lesser precision.
13710 (output_constant): Allow non-int-sized pointer modes to be
13711 initialized from integer constants.
13713 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13716 * cppdefault.h (struct default_include): Add multilib flag.
13717 * cppdefault.c (cpp_include_defaults): Set it.
13718 * c.opt (-imultilib): New option.
13719 * c-opts.c (imultilib): New.
13720 (c_common_handle_option): Handle -imultilib.
13721 (c_common_post_options): Likewise.
13722 * c-incpath.c (add_standard_paths, register_include_chains):
13724 * c-incpath.h (register_include_chains): Add extra parameter.
13725 * gcc.c (do_spec_1): Generate -imultilib option.
13726 (The Specs Language): Update %I description.
13727 (process_command): Update copyright notice.
13728 * doc/cppopts.texi (-imultilib): Document.
13729 * doc/invoke.texi (-imultilib): Include in option summary.
13730 (%I): Update specs documentation.
13732 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13734 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13736 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13738 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13741 2006-01-20 Richard Guenther <rguenther@suse.de>
13742 Steven Bosscher <stevenb.gcc@gmail.com>
13744 PR rtl-optimization/24626
13745 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13746 EDGE_TRUE_VALUE if in RTL mode.
13749 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13750 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13752 2006-01-20 Dirk Mueller <dmueller@suse.com>
13755 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13756 instead of a special NOP marker.
13757 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13758 NOP marker handling.
13759 * c-common.h (empty_body_warning): Add forward declaration.
13760 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13761 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13763 2006-01-20 Paul Brook <paul@codesourcery.com>
13765 * Makefile.in (lang_checks): Keep going if mkdir fails.
13767 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13769 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13770 be able to clean out basic block when not necessary.
13771 (df_scan_free): Fixed to properly delete information if df is
13772 unused before calling df_finish.
13773 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13774 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13776 (df_bb_refs_delete): New function.
13777 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13778 * df-core.c (df_set_blocks): Added code to properly clean out
13779 unused blocks if they are not part of the blocks to consider.
13780 Added additional null check.
13781 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13782 be able to clean out basic block when not necessary
13783 * df.h (df_free_bb_function): Ditto.
13784 (df_bb_refs_delete): New function.
13785 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13786 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13787 basic block parameter to be able to clean out basic block when not
13789 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13790 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13791 Fixed to properly delete information if df is unused before
13794 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13796 PR rtl-optimization/25799
13797 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13798 Corrected confluence operator to remove bits from op2 before oring
13799 with op1 rather than removing bits from op1.
13800 (df_ru_transfer_function): Corrected test on wrong bitmap which
13801 caused infinite loop. Both of these problems were introduced in
13802 the dataflow rewrite.
13804 2006-01-19 DJ Delorie <dj@redhat.com>
13806 * reload1.c (find_reload_regs): Note the details of reload
13807 failures in the dump file.
13808 (spill_failure): Likewise.
13810 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13812 * loop-iv.c: Include df.h and hashtab.h.
13813 (enum iv_grd_result): New enum.
13814 (DF_REF_IV, DF_REF_IV_SET): New macros.
13815 (struct biv_entry): New.
13816 (df, bivs): New global variables.
13817 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13818 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13820 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13821 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13822 analyzed_for_bivness_p, record_biv): New functions.
13823 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13824 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13825 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13827 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13829 (iv_number_of_iterations): Use new interface to iv analysis.
13830 * loop-unroll.c: Do not include varray.h.
13831 (analyze_iv_to_split_insn): Use new interface to iv
13833 * loop-unswitch.c (may_unswitch_on): Ditto.
13834 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13836 (df_bb_modify): Realloc tables to the new index.
13837 (df_find_use): New function.
13838 * df.h (df_find_use): Declare.
13839 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13841 * cfgloop.h (struct rtx_iv): Remove analysed field.
13842 (iv_get_reaching_def): Removed.
13843 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13844 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13845 (loop-iv.o): Add df.h and hashtab.h dependency.
13846 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13848 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13851 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13853 (__floatundisf, __floatundidf): Likewise.
13854 * libgcc2.h (IS_IBM_EXTENDED): Define.
13856 2006-01-19 DJ Delorie <dj@redhat.com>
13858 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13860 2006-01-19 Paul Brook <paul@codesourcery.com>
13862 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13863 as nothrow when unwinding tables are disabled.
13865 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13868 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13869 of bit-field" when in system header.
13871 2006-01-19 DJ Delorie <dj@redhat.com>
13873 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13874 the 16 bit shift limit of the m16c.
13876 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13879 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13880 * config/i386/i386.c (output_set_got): Output the label if we have one
13881 for the TARGET_DEEP_BRANCH_PREDICTION case.
13883 2006-01-19 Jan Hubicka <jh@suse.cz>
13884 H.J. Lu <hongjiu.lu@intel.com>
13885 Evandro Menezes <evandro.menezes@amd.com>
13887 * invoke.texi (generic): Document
13889 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13890 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13891 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13892 (x86_use_incdec, x86_pad_returns): New variables
13893 (TARGET_CPU_DEFAULT_generic): New constant
13894 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13895 (enum processor_type): Add generic32 and generic64.
13896 * i386.md (cpu attribute): Add generic32/generic64
13897 (movhi splitter): Behave sanely when both partial_reg_dependency and
13898 partial_reg_stall are set.
13899 (K8 splitters): Enable for generic as well.
13900 * predicates.md (incdec_operand): Use TARGET_INCDEC
13901 (aligned_operand): Avoid memory mismatch stalls.
13902 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13903 * ppro.md: Enable for generic32
13904 * i386.c (generic64_cost, generic32_cost): New.
13905 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13906 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13907 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13908 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13909 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13910 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13911 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13912 x86_accumulate_outgoing_args, x86_prologue_using_move,
13913 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13914 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13915 Enable for generic.
13916 (x86_use_incdec, x86_pad_returns): New.
13917 (override_options): Add generic32 and generic64, translate "generic"
13918 to generic32/generic64 and "i686" to "generic32", refuse
13919 "generic32"/"generic64" as arch target.
13920 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13921 (ix86_reorg): Honor PAD_RETURNS.
13923 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13925 * tree-pretty-print.c (dump_generic_node): Handle
13926 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13927 * cgraph.c (cgraph_expand_queue): Rename from
13928 cgraph_analyze_queue. Update all users.
13929 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13930 cgraph_expand_queue.
13931 (cgraph_expand_all_functions): Likewise.
13932 (cgraph_finalize_pending_functions): Remove. Update callers.
13934 * tree.h (OMP_DIRECTIVE_P): Define.
13935 (OMP_PARALLEL_FN): Define.
13936 (OMP_PARALLEL_DATA_ARG): Define.
13937 (OMP_SECTIONS_SECTIONS): Define.
13938 * tree-pass.h (pass_expand_omp): Declare.
13939 * omp-low.c (struct omp_region): Declare.
13940 (struct omp_context): Remove fields 'parallel_type',
13941 'parallel_start_ix' and 'parallel_start_additional_args'.
13943 (struct omp_for_data): Rename from struct expand_omp_for_data.
13944 (omp_regions): New static variable.
13945 (root_omp_region): New static variable.
13946 (find_omp_clause): Make static.
13947 (is_in_combined_parallel_ctx): Remove.
13948 (is_combined_parallel): New.
13949 (extract_omp_for_data): Move earlier in the file.
13950 (workshare_safe_to_combine_p): New.
13951 (get_ws_args_for): New.
13952 (determine_parallel_type): Move earlier in the file.
13953 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13955 (omp_copy_decl): Likewise.
13956 (create_omp_child_function): Likewise.
13957 (lookup_omp_region): New.
13958 (dump_omp_region): New.
13959 (debug_omp_region): New.
13960 (debug_all_omp_regions): New.
13961 (new_omp_region): New.
13962 (scan_omp_parallel): If parallel_nesting_level > 1, the
13963 directive is nested within another parallel directive.
13964 Set OMP_PARALLEL_FN.
13965 (scan_omp_for): Do not try to handle combined parallel+for
13967 Remove FIXME comment.
13968 (scan_omp_nested): Remove.
13969 (scan_omp_1): Do not call scan_omp_nested when
13970 parallel_nesting_level is > 1.
13971 Do not change the DECL_CONTEXT of local variables found.
13972 (lookup_decl_in_outer_ctx): New.
13973 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13974 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13975 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13976 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13977 If CTX is nested, lookup VAR in the outer context when
13978 building copy assignment.
13979 (lower_send_clauses): Rename from expand_send_clauses.
13980 If CTX is nested, lookup VAR in the outer context when
13981 building copy assignments.
13982 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13983 If CTX is nested, lookup VAR in the outer context when
13984 building copy assignments.
13985 (expand_parallel_call): Rename from build_parallel_call.
13986 Handle combined parallel+workshare cases.
13987 Re-implement to emit code into the CFG.
13989 (expand_omp_parallel): Re-implement to emit code into the CFG.
13990 Call move_sese_region_to_fn to outline the sub-graph
13991 containing the parallel region.
13992 (expand_omp_for_1): Remove.
13993 (expand_omp_for_generic): Re-implement to emit code into the
13995 (expand_omp_for_static_nochunk): Likewise.
13996 (expand_omp_for_static_chunk): Likewise.
13997 (expand_omp_for): Likewise.
13998 (expand_omp_sections): Likewise.
13999 (remove_exit_barriers): New.
14000 (expand_omp_synch): New.
14002 (build_omp_regions_1): New.
14003 (build_omp_regions): New.
14004 (execute_expand_omp): New.
14005 (gate_expand_omp): New.
14006 (pass_expand_omp): Define.
14007 (lower_omp_sections): Rename from expand_omp_sections.
14008 Set OMP_SECTIONS_SECTIONS.
14009 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14010 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14011 (lower_omp_single): Rename from expand_omp_simple.
14012 (lower_omp_master): Rename from expand_omp_master.
14013 (lower_omp_ordered): Rename from expand_omp_ordered.
14014 (lower_omp_critical): Rename from expand_omp_critical.
14015 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14016 (lower_omp_for): Re-implement.
14017 (lower_omp_parallel): Re-implement.
14018 (lower_regimplify): Rename from expand_regimplify.
14019 (lower_omp_1): Rename from expand_omp_1.
14020 If there are syntax errors in the program, replace every
14021 OpenMP directive with NOP.
14022 Call lower_omp_* instead of expand_omp_*.
14023 (lower_omp): Rename from expand_omp.
14025 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14026 * tree-gimple.h (enum omp_parallel_type): Remove.
14027 (gimple_boolify): Declare extern.
14028 (find_omp_clause, determine_parallel_type): Remove.
14030 * gimple-low.c (lower_omp_directive): New.
14031 (lower_stmt): Call it.
14032 (record_vars_into): Move from ...
14033 (record_vars): ... here.
14034 Call record_vars_into with current_function_decl.
14036 * gimplify.c (struct gimplify_ctx): Remove fields
14037 combined_pre_p and combined_ctxp. Update users.
14038 (get_formal_tmp_var): Add documentation.
14039 (gimple_boolify): Make extern.
14040 (gimplify_expr_in_ctx): Remove. Update callers.
14041 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14042 will always be a BIND_EXPR.
14043 (gimplify_expr): Handle OMP_RETURN_EXPR.
14044 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14045 (OMP_PARALLEL): Add 3 operands.
14046 (OMP_SECTIONS): Add 1 operand.
14047 (OMP_RETURN_EXPR): Define.
14049 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14050 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14051 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14052 creating a circular free list.
14053 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14055 * tree-flow.h (move_sese_region_to_fn): Declare.
14056 (record_vars_into): Declare.
14057 * tree-cfg.c (make_omp_sections_edges): New.
14058 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14059 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14060 OMP_SECTIONS and OMP_SECTION.
14061 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14062 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14063 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14064 (gather_blocks_in_sese_region): New.
14065 (struct move_stmt_d): Declare.
14066 (move_stmt_r): New.
14067 (move_block_to_fn): New.
14068 (move_sese_region_to_fn): New.
14070 * passes.c (init_optimization_passes): Schedule
14071 pass_expand_omp after pass_init_datastructures.
14073 * tree-ssa-operands.c (get_expr_operands): Handle
14074 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14075 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14077 2006-01-19 Jeff Law <law@redhat.com>
14079 * tree-vrp.c (extract_range_from_assert): Refine the result range
14080 if the variable referenced by the ASSERT_EXPR has a range and
14081 either the tentative result range or the previous range is a
14084 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14086 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14088 2006-01-19 Jan Hubicka <jh@suse.cz>
14090 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14092 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14094 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14095 (expand_compound_operation, expand_field_assignment): Fail if the
14096 bit lengths of an extract operation are out of range.
14097 (make_extraction): Compute wanted_inner_mode based on the position
14098 and length of the extraction. Make it extraction_mode for non-constant
14099 positions, and do not modify offset in that case. When generating a
14100 new MEM, use a mode that can hold the extraction while keeping correct
14101 alignment. Remove code that supported MEMs wrapped by USEs.
14102 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14104 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14106 * config/s390/s390.md ("Y", "y"): New mode attribute.
14107 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14108 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14109 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14110 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14111 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14112 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14113 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14114 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14115 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14116 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14117 "addsi3", "subsi3"): Insn patterns removed.
14118 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14119 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14120 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14121 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14122 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14123 "*sub<mode>3_cconly2"): New insn patterns.
14124 ("addsi3", "subsi3"): New expanders.
14126 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14128 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14129 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14130 existing STMT_VINFO_VECTYPE if available.
14131 (vect_mark_relevant): Add special handling for stmts that are
14132 marked as STMT_VINFO_IN_PATTERN_P.
14133 (vect_analyze_loop): Call vect_pattern_recog.
14134 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14135 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14137 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14138 (vect_recog_func_ptr): New function-pointer type.
14139 * tree-vect-patterns.c: New file.
14140 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14141 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14142 (vect_pattern_recog_1): New functions.
14143 (vect_pattern_recog_funcs): New array of function pointers.
14145 * tree-vectorizer.h (ternary_op): New enum value.
14146 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14147 declaration. Revised documentation. Removed redundant dump prints.
14148 Removed redundant argument. Added support for reduction patterns.
14149 (vectorizable_reduction): Added support for reduction patterns.
14150 (vect_transform_stmt): Added support for patterns.
14152 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14153 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14154 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14155 (expand_widen_pattern_expr): New function.
14156 (init_optabs): Initialize new optabs udot_prod_optab,
14158 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14159 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14160 (expand_widen_pattern_expr): New function declaration.
14161 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14163 * tree-inline.c (estimate_num_insns_1): Added cases for new
14164 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14165 * tree-pretty-print.c (dump_generic_node): Likewise.
14166 (op_prio): Likewise.
14167 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14168 * tree-ssa-operands.c (get_expr_operands): Added case for
14170 * tree-vect-patterns.c (widened_name_p): New function.
14171 (vect_recog_dot_prod_pattern): Added function implementation.
14172 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14173 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14174 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14175 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14177 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14178 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14179 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14180 (init_optabs): Initialize new optabs widen_ssum_optab,
14182 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14183 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14184 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14185 use instead of type of def.
14186 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14187 function implementation.
14188 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14189 widen_ssumv8hi): New.
14191 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14194 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14197 * c-decl.c (add_flexible_array_elts_to_size): New function.
14198 (finish_decl): Use it.
14200 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14202 * diagnostic.h: Include options.h.
14203 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14204 dependancies for diagnostic.h.
14205 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14207 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14209 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14210 (ssa_ro_call_cache_valid): Ditto.
14211 * tree-ssa-alias.c (sort_tags_by_id): New function.
14212 (init_transitive_clobber_worklist): Ditto.
14213 (add_to_worklist): Ditto.
14214 (mark_aliases_call_clobbered): Ditto.
14215 (compute_tag_properties): Ditto.
14216 (set_initial_properties): Ditto.
14217 (compute_call_clobbered): Ditto.
14218 (compute_may_aliases): Call compute_call_clobbered and grouping.
14219 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14220 (compute_flow_insensitive_aliasing): Grouping now happens in our
14222 (setup_pointers_and_addressables): Remove clobbering related code.
14223 (add_may_alias): Ditto.
14224 (replace_may_alias): Ditto.
14225 (get_nmt_for): Ditto.
14226 (create_global_var):
14227 (is_escape_site): Return an escape_type enumeration.
14228 * tree-flow-inline.h (is_call_clobbered): Global var does not
14229 imply call clobbered.
14230 (mark_call_clobbered): Take a reason for marking this. Remove
14231 marking of globalness, and cache invalidation.
14232 (clear_call_clobbered): Remove cache invalidation code.
14233 * tree-dfa.c (dump_variable): If details is on, dump the reason
14235 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14237 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14238 (struct var_ann_d): Ditto.
14239 (enum escape_type): New.
14240 (mark_call_clobbered): Adjust prototype.
14241 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14242 are never call clobbered.
14243 Record reasons for escaping.
14244 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14245 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14246 (ssa_ro_call_cache_valid): Ditto.
14247 (clobbered_v_may_defs): Ditto.
14248 (clobbered_vuses): Ditto.
14249 (ro_call_vuses): Ditto.
14250 (clobber_stats): New.
14251 (init_ssa_operands): Zero out clobber stats.
14252 (fini_ssa_operands): Print out clobber stats.
14253 (get_call_expr_operands): Pass callee fndecl to
14254 add_call_read_ops).
14255 (add_call_clobber_ops): Remove use of cache.
14256 Add use of PURE_CONST information.
14257 (add_call_read_ops): Remove use of cache.
14258 Add use of static not_read information.
14260 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14262 Introduce TLS descriptors for i386 and x86_64.
14263 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14264 (TARGET_ANY_GNU_TLS): New macro.
14265 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14266 (struct machine_function): Add tls_descriptor_call_expanded_p.
14267 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14268 (ix86_current_function_calls_tls_descriptor): Likewise.
14269 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14270 (override_options): Introduce gnu2 tls dialect.
14271 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14273 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14275 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14276 (ix86_init_machine_status): Initialize new field.
14277 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14278 (ix86_tls_module_base): New.
14279 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14280 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14281 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14282 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14283 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14284 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14285 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14286 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14287 * config/i386/predicates.md (tls_modbase_operand): New.
14288 (tp_or_register_operand): New.
14290 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14292 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14293 (look_for_address_of): Ditto.
14294 (ipa_init): Walk the function decls.
14295 (static_execute): Don't set readonly on FUNCTION_DECL's.
14297 2006-01-18 Roger Sayle <roger@eyesopen.com>
14299 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14300 for shifts where the source and destination registers are different.
14302 2006-01-18 Paul Brook <paul@codesourcery.com>
14304 Merge from csl-arm-branch.
14305 2005-03-14 Julian Brown <julian@codesourcery.com>
14306 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14307 (aeabi_llsl): Likewise.
14308 (ashrdi3): Likewise.
14309 (aeabi_lasr): Likewise.
14310 (lshrdi3): Likewise.
14311 (aeabi_llsr): Likewise.
14312 2005-03-10 Julian Brown <julian@codesourcery.com>
14313 * config.gcc: Disable shared libgcc for SymbianOS.
14314 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14316 2006-01-18 DJ Delorie <dj@redhat.com>
14318 * c-pragma.c (handle_pragma_diagnostic): New.
14319 (init_pragma): Register it.
14320 * doc/extend.texi: Document it.
14322 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14323 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14324 (diagnostic_context): Add classify_diagnostic[].
14325 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14326 as errors if they're overridden to DK_WARNING.
14327 (diagnostic_initialize): Initialize classify_diagnostic[].
14328 (diagnostic_set_kind_override): New.
14329 (diagnostic_report_diagnostic): Check for kind changes.
14330 * opts.c (common_handle_option): Take lang_mask. Update callers.
14331 Handle OPT_Werror_.
14332 * common.opt (Werror=): New.
14333 * doc/invoke.texi: Document -Werror=*
14335 2006-01-18 Jeff Law <law@redhat.com>
14337 * tree-vrp.c (test_for_singularity): Correct test for new
14338 min limit. Use operand_equal_p rather than pointer equality
14339 for testing if new min/max values are equal.
14341 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14342 using range information until after propagation and folding.
14344 2006-01-18 Richard Henderson <rth@redhat.com>
14345 Aldy Hernandez <aldyh@redhat.com>
14346 Jakub Jelinek <jakub@redhat.com>
14347 Diego Novillo <dnovillo@redhat.com>
14349 * omp-low.c: New file.
14350 * c-omp.c: New file.
14352 2006-01-18 Richard Henderson <rth@redhat.com>
14353 Jakub Jelinek <jakub@redhat.com>
14354 Diego Novillo <dnovillo@redhat.com>
14356 * doc/invoke.texi: Document -fopenmp.
14357 * tree-dump.h (debug_function): Declare.
14358 * hooks.c (hook_bool_tree_bool_false): New function.
14359 (hook_tree_tree_null): Remove.
14360 (hook_tree_tree_tree_null): New.
14361 * hooks.h: Update to match.
14362 * tree-pretty-print.c (debug_tree_chain): New.
14363 (print_generic_expr): Handle TDF_CHAIN.
14364 (dump_generic_node): Handle BLOCK.
14365 Do not abort with incomplete SWITCH_EXPRs.
14366 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14367 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14368 print space after directive name.
14369 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14370 Handle OMP_MASTER and OMP_ORDERED.
14371 Handle printing of OMP_BODY just in one place, goto
14372 dump_omp_body in the rest of OMP_* nodes that have
14374 Don't handle clause nodes here. Update omp statements to
14375 use dump_omp_clauses.
14376 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14377 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14378 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14379 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14380 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14381 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14382 Adjust output for GOMP_PARALLEL.
14383 (dump_omp_clauses): New.
14384 (print_declaration): Dump DECL_VALUE_EXPR.
14385 (op_symbol_1): Split out of op_symbol.
14386 (dumping_stmts): Remove. Update all users.
14387 * cgraph.c (cgraph_analyze_queue): New.
14388 (cgraph_add_new_function): New.
14389 * cgraph.h (cgraph_analyze_queue): Declare.
14390 (cgraph_add_new_function): Declare.
14391 (cgraph_lower_function): Remove.
14392 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14393 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14394 and TYPE_P nodes in its default clause.
14395 (empty_body_p): New.
14396 (tree_range_check_failed): New.
14397 (build5_stat): New.
14398 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14399 OMP_CLAUSE_REDUCTION_MERGE,
14400 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14401 OMP_CLAUSE_PRIVATE_DEBUG,
14402 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14403 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14404 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14405 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14406 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14407 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14408 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14409 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14410 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14411 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14412 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14413 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14414 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14415 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14416 (TREE_RANGE_CHECK): New.
14417 (empty_body_p): Declare.
14418 (enum omp_clause_default_kind): New.
14419 (build_string_literal): Declare.
14420 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14421 (build5_stat, build5): Declare.
14422 * tree-pass.h (TDF_CHAIN): Define.
14423 * tree-pass.h (PROP_gimple_lomp): Define.
14424 (pass_lower_omp): Declare.
14425 * diagnostic.h (debug_tree_chain): Declare.
14426 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14428 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14429 * builtins.c (build_string_literal): Make extern.
14430 * gcc.c (include_spec_function): New.
14431 (static_spec_functions): Add it.
14432 (main): Move load of libgomp.spec ...
14433 (LINK_COMMAND_SPEC): ... here.
14434 (link_gomp_spec): New.
14435 (static_specs): Include it.
14436 (LINK_COMMAND_SPEC): Add link_gomp.
14437 (GOMP_SELF_SPECS): New.
14438 (driver_self_specs): Include it.
14439 (switch_matches): Don't mark inline.
14440 (main): Load libgomp.spec.
14441 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14442 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14443 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14444 * tree-gimple.h (enum omp_parallel): Declare.
14445 (determine_parallel_type): Declare.
14446 (omp_firstprivatize_variable): Declare.
14447 (omp_reduction_init): Declare.
14448 (diagnose_omp_structured_block_errors): Declare.
14449 (struct walk_stmt_info): Add want_return_expr.
14450 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14451 (find_omp_clause): Declare.
14452 (insert_field_into_struct): Declare.
14453 (struct walk_stmt_info): Move from tree-nested.c
14454 (walk_stmts): Declare.
14455 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14457 * cgraphunit.c (cgraph_lower_function): Make static.
14458 (cgraph_finalize_pending_functions): New.
14459 (cgraph_finalize_function): Call it.
14460 (cgraph_finalize_compilation_unit): Likewise.
14461 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14462 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14463 (BT_FN_UINT_UINT): New.
14464 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14465 DEF_FUNCTION_TYPE_VAR_4): Document.
14466 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14467 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14468 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14469 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14470 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14471 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14472 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14473 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14474 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14475 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14476 into separate files.
14477 (DEF_GOMP_BUILTIN): New.
14478 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14479 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14480 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14481 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14482 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14483 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14484 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14485 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14486 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14487 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14488 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14489 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14490 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14491 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14492 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14493 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14494 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14495 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14496 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14497 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14498 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14499 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14500 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14501 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14502 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14503 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14504 * sync-builtins.def: New file, moved from builtins.def.
14505 * omp-builtins.def: New file, moved from builtins.def.
14506 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14507 * gimple-low.c (lower_function_body): Clear data.
14508 (lower_stmt): Do not handle COMPOUND_EXPR.
14509 Remove call to print_node_brief.
14510 * c-tree.h (c_finish_omp_clauses): New prototype.
14511 (C_DECL_THREADPRIVATE_P): Define.
14512 (lookup_name_no_remap, c_omp_remap_private): Remove
14513 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14514 (check_for_loop_decls): Update decl.
14515 (lookup_name_no_remap, c_omp_remap_private): Declare.
14516 (build_indirect_ref, build_modify_expr, pushdecl,
14517 pushdecl_top_level): Move to c-common.h.
14518 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14519 before the switch, but just in the 2 places that need it.
14520 * c-decl.c (diagnose_mismatched_decls): Do not check for
14521 mismatched thread-local attributes when OLDDECL is marked
14522 threadprivate and NEWDECL has no thread-local attributes.
14523 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14524 (c_gimple_diagnostics_recursively): Rename from
14525 c_warn_unused_result_recursively. Invoke
14526 diagnose_omp_structured_block_errors.
14527 (check_for_loop_decls): Return a singular decl found.
14528 * langhooks.c (lhd_omp_predetermined_sharing): Return
14529 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14530 (lhd_omp_firstprivatize_type_sizes): New.
14531 (lhd_omp_assignment): New.
14532 (lhd_omp_predetermined_sharing): New.
14533 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14534 (struct lang_hooks_for_types): Add
14535 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14536 omp_predetermined_sharing, omp_disregard_value_expr,
14537 omp_private_debug_clause, omp_clause_default_ctor,
14538 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14539 (c_finish_omp_clauses): New.
14540 (c_finish_bc_stmt): Diagnose break within omp for.
14541 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14542 (build_unary_op): Return error_mark after reporting
14544 (build_modify_expr): Likewise.
14545 * gimplify.c: Include optabs.h and pointer-set.h.
14546 (enum gimplify_omp_var_data): Declare.
14547 (struct gimplify_omp_ctx): Declare.
14548 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14550 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14551 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14552 (splay_tree_compare_decl_uid): New.
14553 (new_omp_context): New.
14554 (delete_omp_context): New.
14555 (gimple_add_tmp_var): Call omp_add_variable.
14556 (gimplify_bind_expr): Likewise.
14557 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14558 true, disregard DECL_VALUE_EXPR on the decl if any.
14559 (gimplify_expr_in_ctx): New.
14560 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14561 omp_add_variable, omp_notice_variable, omp_is_private
14562 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14563 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14564 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14565 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14566 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14567 gimplify_omp_atomic): New.
14568 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14569 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14570 OMP_CRITICAL and OMP_ATOMIC.
14571 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14572 * c-pragma.h (enum pragma_kind): Add
14573 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14574 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14575 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14576 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14577 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14578 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14579 PRAGMA_OMP_THREADPRIVATE.
14580 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14581 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14582 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14583 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14584 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14585 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14586 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14587 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14588 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14589 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14590 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14591 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14592 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14594 (struct nesting_info): Add field_map,
14595 suppress_expansion, debug_var_chain.
14596 (create_nesting_tree): Initialize them.
14597 (lookup_field_for_decl): Use field_map.
14598 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14599 (convert_local_omp_clauses): New.
14600 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14601 (walk_body): Split out of walk_function.
14602 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14603 (convert_nonlocal_reference): Handle omp statements.
14604 (convert_local_reference): Likewise.
14605 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14606 (unnest_nesting_tree): New.
14607 (lower_nested_functions): Call it.
14608 (insert_field_into_struct): Make extern.
14609 (struct walk_stmt_info): Move to tree-gimple.h.
14610 (walk_stmts): Make extern.
14611 * omp-builtins.def: New file.
14612 * tree-iterator.c (expr_only): Clarify comment.
14613 * c-common.h (pushdecl_top_level, pushdecl,
14614 build_modify_expr, build_indirect_ref,
14615 c_finish_omp_master, c_finish_omp_critical,
14616 c_finish_omp_ordered, c_finish_omp_barrier,
14617 c_finish_omp_atomic, c_finish_omp_flush,
14618 c_finish_omp_for, c_split_parallel_clauses,
14619 omp_clause_default_kind, c_omp_sharing_predetermined,
14620 c_omp_remap_decl): Declare.
14621 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14622 (OBJS-common): Add omp-low.o.
14623 (c-omp.o, omp-low.o): Add.
14624 (gimplify.o): Add dependency on $(OPTABS_H).
14625 (GTFILES): Add omp-low.c.
14626 (gt-stringpool.h): Add.
14627 * tree-cfg.c (set_bb_for_stmt): Do not update the
14628 block-to-labels map if we are currently expanding to RTL.
14629 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14631 Handle IDENTIFIER_NODE.
14632 (tree_verify_flow_info): Do not ICE when emitting error
14633 messages about invalid labels.
14634 (dump_function_to_file): Reset CFUN before emitting the body
14636 (debug_function): New.
14637 * passes.c (init_optimization_passes): Schedule
14639 * langhooks-def.h (lhd_omp_predetermined_sharing,
14640 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14642 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14643 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14644 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14645 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14646 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14647 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14648 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14649 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14650 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14651 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14652 (LANG_HOOK_DECLS): Use them.
14654 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14655 Richard Henderson <rth@redhat.com>
14656 Jakub Jelinek <jakub@redhat.com>
14657 Diego Novillo <dnovillo@redhat.com>
14659 * c-parser.c (pragma_omp_clause): Define.
14660 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14661 (c_parser_compound_statement): Likewise.
14662 (c_parser_statement): Likewise.
14663 (c_parser_pragma): Handle omp pragmas.
14664 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14665 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14666 (c_parser_omp_clause_name, check_no_duplicate_clause,
14667 c_parser_omp_variable_list,
14668 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14669 c_parser_omp_clause_copyprivate,
14670 c_parser_omp_clause_default,
14671 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14672 c_parser_omp_clause_lastprivate,
14673 c_parser_omp_clause_nowait,
14674 c_parser_omp_clause_num_threads,
14675 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14676 c_parser_omp_clause_reduction,
14677 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14678 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14679 c_parser_omp_atomic, c_parser_omp_barrier,
14680 c_parser_omp_critical, c_parser_omp_flush,
14681 c_parser_omp_for_loop, c_parser_omp_for,
14682 c_parser_omp_master, c_parser_omp_ordered,
14683 c_parser_omp_sections_scope, c_parser_omp_sections,
14684 c_parser_omp_parallel, c_parser_omp_single,
14685 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14686 * c-pragma.c (init_pragma): Do omp pragma registration here.
14687 * c.opt (fopenmp): New flag.
14689 2006-01-18 Eric Christopher <echristo@apple.com>
14691 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14692 * config/darwin.h (GOMP_SELF_SPECS): Define.
14694 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14696 * rtl.h: Remove the prototype for reg_alloc.
14698 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14701 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14702 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14703 sjlj and dwarf2 exception handling.
14704 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14705 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14706 * pa/pa.c (function_value): Treat complex and vector types as
14708 (function_arg): Likewise. Only pass scalar floats in the floating
14709 point argument registers.
14710 * pa/t-slibgcc-dwarf-ver: New file.
14711 * pa/t-slibgcc-sjlj-ver: New file.
14712 * pa/t-slibgcc-elf-ver: Delete file.
14714 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14716 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14717 unlikely_test_section_p test.
14719 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14721 * mode-switching.c (optimize_mode_switching): Make it static.
14722 * basic-block.h: Remove the prototype for
14723 optimize_mode_switching.
14725 * modulo-sched.c (sms_schedule): Make it static.
14726 * rtl.h: Remove the prototype for sms_schedule.
14728 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14729 * rtl.h: Remove the prototype for gcse_after_reload_main.
14731 * reg-stack.c (reg_to_stack): Make it static.
14732 * rtl.h: Remove the prototype for reg_to_stack.
14734 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14736 * rtl.h: Remove the prototypes for regrename_optimize and
14737 copyprop_hardreg_forward.
14739 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14741 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14742 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14743 Test against the appropriate null constant for the mode.
14744 If 'fixup_overlap' is true, swap the operands if they overlap.
14745 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14746 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14747 alpha_split_tmode_pair and adjust for above change.
14748 * config/alpha/alpha.md (movtf_internal): Adjust call to
14749 alpha_split_tfmode_pair and rely on it to swap the operands.
14750 (movti_internal): New insn and post-reload splitter.
14751 (movti): New expander.
14753 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14755 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14758 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14760 * rtlanal.c (global_reg_mentioned_p_1,
14761 global_reg_mentioned_p): Remove.
14762 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14764 * flow.c (initialize_uninitialized_subregs): Make it static.
14765 * rtl.h: Remove the prototype for
14766 initialize_uninitialized_subregs.
14768 * function.c (instantiate_virtual_regs): Make it static.
14769 * function.h: Remove the prototype for
14770 instantiate_virtual_regs.
14772 * regmove.c (regmove_optimize, combine_stack_adjustments):
14774 * rtl.h: Remove the prototypes for regmove_optimize and
14775 combine_stack_adjustments.
14777 2006-01-17 Roger Sayle <roger@eyesopen.com>
14779 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14780 (size_cost): Encode costs in bytes so that a reg-reg addition is
14781 equivalent to COSTS_N_INSNS(1).
14782 (override_options): Use the size_cost.branch_cost as the default
14783 ix86_branch_cost when optimizing for size.
14785 2006-01-18 Ben Elliston <bje@au.ibm.com>
14787 * Makefile.in (D32PBIT_FUNCS): New.
14788 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14789 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14790 D64PBIT_FUNCS and D128PBIT_FUNCS.
14791 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14792 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14794 (decnumber_dep): Define.
14795 * doc/libgcc.texi (Decimal float library routines): New node.
14796 * config/dfp-bit.h, config/dfp-bit.c: New files.
14798 2006-01-18 Ben Elliston <bje@au.ibm.com>
14800 * expr.c (emit_move_change_mode): Always adjust addresses, not
14801 just during reload. Copy replacements only during reload.
14802 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14803 emit_move_via_integer.
14805 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14807 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14808 instead of $(srcdir) and ${srcdir}.
14810 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14813 PR middle-end/11135
14814 * arm.h (struct machine_function): Add pic_reg.
14815 * arm.c (arm_pic_register): Make unsigned.
14816 (arm_override_options): Only set arm_pic_register if
14817 TARGET_SINGLE_PIC_BASE.
14818 (use_return_insn): Only test for a pic register if it is fixed.
14819 (arm_compute_save_reg0_reg12_mask): Likewise.
14820 (thumb_compute_save_reg_mask): Likewise.
14821 (legitimate_pic_operand): Factor out some known invariants.
14822 (legitimize_pic_address): If we don't have a fixed pic register,
14823 then set up a pseudo in the function entry sequence. Handle the
14824 pic base being in a pseudo.
14825 (arm_load_pic_register): Handle the pic register being in a pseudo.
14826 (arm_expand_prologue): Only set up the pic register if it is fixed.
14827 (thumb_expand_prologue): Likewise.
14828 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14829 (pic_load_addr_based_insn): Likewise.
14830 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14833 2006-01-18 Ben Elliston <bje@au.ibm.com>
14835 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14836 decimal float modes for all floating point registers.
14838 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14839 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14841 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14844 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14845 even when the pointer is not NULL.
14847 2006-01-16 Ian Lance Taylor <ian@airs.com>
14849 * common.opt (ftoplevel-reorder): New option.
14850 * cgraph.c (cgraph_asm_nodes): New global variable.
14851 (cgraph_asm_last_node): New static variable.
14852 (cgraph_order): New global variable.
14853 (cgraph_create_node): Set new order field.
14854 (cgraph_varpool_node): Likewise.
14855 (decide_is_variable_needed): Return true if not
14856 flag_toplevel_reorder.
14857 (cgraph_add_asm_node): New function.
14858 * cgraph.h (struct cgraph_node): Add order field.
14859 (struct cgraph_varpool_node): Add order field.
14860 (struct cgraph_asm_node): Define.
14861 (cgraph_asm_nodes, cgraph_order): Declare.
14862 (cgraph_add_asm_node): Declare.
14863 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14865 (cgraph_varpool_assemble_pending_decls): Call it.
14866 (cgraph_output_pending_asms): New static function.
14867 (cgraph_finalize_compilation_unit): Call it.
14868 (struct cgraph_order_sort): Define.
14869 (cgraph_output_in_order): New static function.
14870 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14871 !flag_toplevel_reorder case.
14872 * c-parser.c: Include "cgraph.h".
14873 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14875 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14876 than -fno-unit-at-a-time.
14877 * doc/invoke.texi (Option Summary): Mention
14878 -fno-toplevel-reorder.
14879 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14880 -funit-at-a-time documentation.
14882 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14883 Kazu Hirata <kazu@codesourcery.com>
14885 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14887 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14889 * Makefile.in (FUNCTION_H): New. Use it instead of
14890 function.h throughout the file.
14891 * function.h: Include tree.h.
14893 2006-01-17 Ben Elliston <bje@au.ibm.com>
14895 * recog.c: Separate some functions with whitespace.
14897 2006-01-16 Richard Henderson <rth@redhat.com>
14899 Merge from gomp branch:
14900 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14901 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14902 and rename from struct inline_data. Rename callee* to dst*;
14903 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14904 transform_new_cfg, transform_return_to_modify, and
14905 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14907 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14908 (copy_decl_for_dup): Remove.
14909 * tree-inline.c (struct inline_data): Move to header.
14910 (insert_decl_map): Export.
14911 (remap_decl): Update for member name changes. Use copy_decl hook.
14912 Allow for replacement to be a non-decl. Remove dead code.
14913 (remap_type_1): Check for existing mapping.
14914 (remap_type): Export.
14915 (remap_decls): Update for member name changes.
14916 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14917 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14918 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14919 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14920 (tree_function_versioning, build_duplicate_type): Likewise.
14921 (copy_body_r): Likewise. Export.
14922 (copy_decl_for_dup): Split into ...
14923 (copy_decl_for_dup_finish, copy_decl_to_var,
14924 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14925 (replace_ref_tree, inlining_p): Remove.
14927 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14929 * ifcvt.c (if_convert): Make it static.
14930 * rtl.h: Remove the prototype for if_convert.
14932 * local-alloc.c (local_alloc): Make it static.
14933 * rtl.h: Remove the prototype for local_alloc.
14935 * loop.c (loop_optimize): Make it static.
14936 * cfgloop.h: Remove the prototype for loop_optimize.
14939 2006-01-16 DJ Delorie <dj@redhat.com>
14941 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14944 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14946 * pa.md: Disparage copies between general and floating-point registers
14947 in 32-bit move patterns.
14949 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14952 * Makefile.in (check-%): Depend on site.exp instead of
14953 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14956 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14958 * global.c (global_alloc): Make it static.
14959 * rtl.h: Remove the prototype for global_alloc.
14961 2006-01-16 Richard Guenther <rguenther@suse.de>
14963 * tree-ssa-alias.c (struct used_part): Add write_only field.
14964 (get_or_create_used_part_for): Initialize it to true.
14965 (create_overlap_variables_for): Don't create structure variables
14966 for structures that only are written to.
14967 (find_used_portions): Handle MODIFY_EXPR to track whether a
14968 structure is only written to.
14970 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14972 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14974 * basic-block.h: Remove the prototype for
14975 partition_hot_cold_basic_blocks.
14977 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14979 * cppspec.c (lang_specific_spec_functions): Remove.
14980 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14981 * gcc.h (lang_specific_spec_functions): Remove.
14982 * gccspec.c (lang_specific_spec_functions): Remove.
14984 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14986 * combine.c (record_value_for_reg): Invalidate registers
14988 (record_dead_and_set_regs_1): Likewise, by passing them to
14989 record_value_for_reg.
14990 (record_dead_and_set_regs): Invalidate stores made by a
14991 call. We do not combine across a call, but we still
14992 relied on equivalences.
14994 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14996 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14997 vrp_int_const_binop returning non-constant nodes.
14999 2006-01-16 Paul Brook <paul@codesourcery.com>
15001 * config/m68k/m68k.c (output_move_const_into_data_reg):
15002 Output correct mnemonic for mvz and mvs.
15004 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15006 * rtl-factoring.c: Add sequence abstraction algorithm.
15007 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15008 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15010 (block_has_preserve_label): New function.
15011 * common.opt: Register new pass.
15012 * Makefile.in: Ditto.
15014 * timevar.def: Ditto.
15015 * tree-pass.h: Ditto.
15016 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15017 * rtl.h (make_jump_insn_raw): Add forward decl.
15018 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15020 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15021 Roger Sayle <roger@eyesopen.com>
15023 * fold-const.c (fold_minmax): New static function.
15024 (fold_binary) <MIN_EXPR>: Call it.
15025 <MAX_EXPR>: Likewise.
15026 * stor-layout.c (place_field): Use DECL_SIZE consistently
15027 in the computation of the new record size.
15029 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15031 * cse.c (cse_condition_code_reg): Make it static.
15032 * rtl.h: Remove the prototype for cse_condition_code_reg.
15034 * combine.c (combine_instructions): Make it static.
15035 * rtl.h: Remove the prototype for combine_instructions.
15037 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15040 * tree.c (get_file_function_name_long): Concatenate the first global
15041 object name with a string derived from the input filename of the object
15044 2006-01-16 Ben Elliston <bje@au.ibm.com>
15046 * config/i386/winnt-stubs.c: Update FSF address.
15047 * config/xtensa/ieee754-df.S: Ditto.
15048 * config/xtensa/ieee754-sf.S: Ditto.
15050 2006-01-14 Ian Lance Taylor <ian@airs.com>
15052 * ifcvt.c (noce_init_if_info): New static function, broken out of
15053 noce_process_if_block.
15054 (noce_process_if_block): Call noce_init_if_info.
15055 (check_cond_move_block): New static function.
15056 (cond_move_process_if_block): New static function.
15057 (process_if_block): Call cond_move_process_if_block.
15059 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15061 * cselib.c (hash_table): Rename to cselib_hash_table.
15062 (cselib_clear_table, discard_useless_values,
15063 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15064 cselib_init, cselib_finish): Adjust uses of hash_table.
15066 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15068 PR tree-optimization/25485
15069 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15070 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15071 is known to be false and true, respectively.
15073 2006-01-14 Richard Guenther <rguenther@suse.de>
15075 PR tree-optimization/22548
15076 PR tree-optimization/22555
15077 PR tree-optimization/22501
15078 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15079 * params.def (salias-max-array-elements): New parameter.
15080 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15081 * doc/invoke.texi (salias-max-array-elements): Document.
15082 * tree-flow-inline.h (var_can_have_subvars): We also handle
15084 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15086 * tree-ssa-structalias.c (params.h): Include.
15087 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15088 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15089 (get_constraint_for): For ADDR_EXPR operating on something
15090 containing an ARRAY_REF, add all subvars to the solution.
15091 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15092 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15093 for creating MUST_DEFs.
15094 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15096 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15098 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15100 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15101 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15102 number_of_iterations_le): New functions.
15103 (number_of_iterations_special): Removed.
15104 (number_of_iterations_exit): Do not use number_of_iterations_special.
15105 * tree.c (unsigned_type_for): Always return integer type.
15107 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15108 Richard Guenther <rguenther@suse.de>
15110 PR rtl-optimization/24257
15111 * gcse.c (find_moveable_store): Only consider a store movable
15112 when the SET_SRC of the insn can be assigned to a register.
15114 2006-01-14 Ian Lance Taylor <ian@airs.com>
15116 * tree.c (tree_not_class_check_failed): New function.
15117 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15118 (tree_not_class_check_failed): Declare.
15120 2006-01-13 Ian Lance Taylor <ian@airs.com>
15122 * reload1.c (do_output_reload): Add assertion rejecting a
15125 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15127 * combine.c (struct reg_stat): Add new fields truncation_label and
15129 (record_value_for_reg): Reset truncated_to_mode.
15130 (record_truncated_value): New function.
15131 (check_promoted_subreg): Call it. Rename to check_conversions.
15132 (combine_instructions): Rename check_promoted_subreg to
15134 (reg_truncated_to_mode): New function.
15135 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15136 (gen_lowpart_or_truncate): New function.
15137 (force_to_mode): Use it instead of gen_lowpart.
15139 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15141 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15142 VAR is a tag, not its type tag.
15144 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15146 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15147 alternatives to match style of other entries.
15148 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15150 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15152 PR tree-optimization/25771
15153 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15156 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15159 * tree-inline.c (declare_return_variable): If the return variable
15160 was marked as a non gimple complex, set the return slot variable
15161 to be a non gimple comple variable.
15163 2006-01-13 Richard Guenther <rguenther@suse.de>
15165 * builtins.c (expand_builtin_sincos): New function.
15166 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15168 (expand_builtin): Expand sincos using expand_builtin_sincos.
15170 2006-01-12 DJ Delorie <dj@redhat.com>
15172 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15173 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15174 so that constant shifts can be split.
15175 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15176 (m32c_valid_pointer_mode): Make static.
15177 (shift_gen_func_for): New.
15178 (m32c_prepare_shift): Use it. Split large const shifts into
15180 * config/m32c/predicates.md (shiftcount_operand): Allow more
15182 (longshiftcount_operand): New.
15183 * doc/md.texi (Machine Constraints): Document In6.
15185 2006-01-13 Ben Elliston <bje@au.ibm.com>
15187 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15188 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15191 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15193 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15194 to try to avoid clobbering pieces of structures when we know
15195 something about the whole structure.
15196 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15198 2006-01-13 Ben Elliston <bje@au.ibm.com>
15200 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15201 return in memory, as this is no limitation is no longer present.
15203 2006-01-12 DJ Delorie <dj@redhat.com>
15205 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15206 mova with fb, and for fb+0 -> An.
15208 * config/m32c/mov.md (peephole2): Fix enabling logic.
15210 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15211 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15212 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15213 FINI_ARRAY_SECTION_ASM_OP): Define.
15215 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15217 (m32c_legitimize_reload_address): New logic to reload FB to An.
15218 (m32c_output_reg_push): Add newline.
15219 (m32c_output_reg_pop): Likewise.
15221 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15223 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15225 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15227 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15229 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15231 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15234 2006-01-11 Ben Elliston <bje@au.ibm.com>
15236 * rtlanal.c (find_reg_note): Assert insn is not null.
15238 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15240 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15243 2006-01-11 Jeff Law <law@redhat.com>
15245 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15247 (mark_threaded_blocks, register_jump_thread): New functions.
15248 (thread_through_all_blocks): Remove unwanted argument. No
15249 longer rely on e->aux to communicate thread target info.
15250 Call mark_threaded_blocks. Release the threaded_blocks
15251 bitmap and threaded_edges vector when complete.
15252 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15253 (threaded_blocks): Remove.
15254 (tree_ssa_dominator_optimize): Remove initialization and
15255 finalization of threaded_blocks. Simplify call to
15256 thread_through_all_blocks.
15257 (thread_across_edge): Call register_jump_thread rather than
15258 storing thread information into e->aux.
15259 (free_all_edge_infos): Simplify now that e->aux is no longer
15260 used to communicate with thread_through_all_blocks.
15261 * tree-flow.h (thread_through_all_blocks): Update prototype.
15262 (register_jump_thread): Prototype.
15264 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15266 * df-core.c (df_compact_blocks, df_bb_replace): Use
15267 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15269 2006-01-11 Richard Guenther <rguenther@suse.de>
15271 PR tree-optimization/25734
15272 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15273 stop propagation after successful propagation to the LHS.
15275 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15277 * basic-block.h (control_flow_graph): Change the type of
15278 x_basic_block_info to VEC(basic_block,gc) *.
15279 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15281 (SET_BASIC_BLOCK): New.
15282 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15283 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15284 * cfgbuild.c (find_basic_blocks): Likewise.
15285 * cfglayout.c (fixup_reorder_chain): Likewise.
15286 * cfgrtl.c (create_basic_block_structure,
15287 rtl_create_basic_block): Likewise.
15288 * ifcvt.c (find_if_case_1): Likewise.
15289 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15292 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15294 * Makefile.in: Removed rotted odf.c entry.
15296 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15299 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15300 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15301 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15302 output pattern modifier, not %e.
15303 * config/cris/cris.c (cris_op_str): Update comment about pattern
15305 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15306 before falling through into...
15307 <case 'E'>: Redefined from old 'e' case.
15309 2006-01-11 Jan Hubicka <jh@suse.cz>
15312 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15314 2006-01-11 Jan Hubicka <jh@suse.cz>
15316 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15317 * i386.c (x86_decompose_lea): Kill.
15318 (ix86_rtx_costs): Kill.
15320 2006-01-11 Jan Hubicka <jh@suse.cz>
15322 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15323 * cgraph.h (cgraph_node): Add inline_decl.
15324 (cgraph_insert_node_to_hashtable): Declare.
15325 (save_inline_function_body): Declare.
15326 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15328 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15329 (cgraph_function_versioning): Update call of tree_function_versioning.
15330 (save_inline_function_body): New function.
15331 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15332 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15333 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15334 (cgraph_default_inline_p): Likewise.
15335 (cgraph_decide_inlining_incrementally): Likewise.
15336 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15337 (copy_bb): Kill saving; do updating of clones.
15338 (copy_cfg_body): Kill saving.
15339 (initialize_inlined-parameters): Likewise.
15340 (expand_call_inline): Likewise.
15342 (tree_function_versioning): New parameter "update_clones".
15343 (inlining_p): Kill saving.
15344 * tree-inline.h (tree_function_versioning): Update prototype.
15345 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15348 2006-01-11 Ian Lance Taylor <ian@airs.com>
15350 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15351 Allow undoing set of machine mode.
15352 (do_SUBST): Use enums instead of is_int.
15353 (do_SUBST_MODE): New function.
15354 (SUBST_MODE): New macro.
15355 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15356 reg and trying to replace reg_regno_rtx with a new register.
15357 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15358 (simplify_set): Use SUBST_MODE.
15359 (distribute_notes): Remove code that tried to update reg notes
15360 for regno_reg_rtx changes.
15362 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15364 PR tree-optimization/23109
15365 PR tree-optimization/23948
15366 PR tree-optimization/24123
15368 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15369 * tree-cfg.c (single_noncomplex_succ): New.
15370 * tree-flow.h (single_noncomplex_succ): Declare it.
15371 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15372 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15373 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15374 insert_bb, register_division_in, insert_reciprocals,
15375 replace_reciprocal, free_bb): New.
15376 (execute_cse_reciprocals_1): Rewritten.
15377 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15378 Do not commit any edge insertion. Always compute dominators and
15379 create the allocation pool.
15380 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15381 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15382 * targhooks.c (default_min_divistions_for_recip_mul): New.
15383 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15384 * passes.c (init_optimization_passes): Run recip after tree loop
15386 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15388 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15389 Kenneth Zadeck <zadeck@naturalbridge.com>
15391 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15392 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15393 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15394 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15395 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15396 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15397 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15398 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15399 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15400 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15401 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15402 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15403 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15404 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15405 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15406 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15407 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15408 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15409 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15410 DF_SCAN_POST_ALLOC): New macros.
15411 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15412 df_free_bb_function, df_local_compute_function, df_init_function,
15413 df_dataflow_function, df_confluence_function_0,
15414 df_confluence_function_n, df_transfer_function,
15415 df_finalizer_function, df_free_function, df_dump_problem_function,
15416 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15417 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15418 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15419 df_urec_bb_info, ) New types.
15420 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15422 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15423 df_analyze_simple_change_some_blocks,
15424 df_analyze_simple_change_one_block, df_compact_blocks,
15425 df_bb_replace, df_bb_regno_last_use_find,
15426 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15427 df_insn_regno_def_p, df_find_def, df_find_use,
15428 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15429 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15430 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15431 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15432 debug_df_chain, df_get_dependent_problem, df_chain_create,
15433 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15434 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15435 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15436 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15437 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15438 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15439 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15440 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15441 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15442 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15443 df_reorganize_refs, df_set_state, df_hard_reg_init,
15444 df_read_modify_subreg_p) New public functions.
15445 * df-core.c: The core dataflow solver and glue routines for rtl
15447 (df_init, df_add_problem, df_set_blocks, df_finish,
15448 df_hybrid_search_forward, df_hybrid_search_backward,
15449 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15450 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15451 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15452 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15453 df_reg_defined, df_find_use, df_reg_used, df_dump,
15454 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15455 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15456 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15457 debug_df_useno, reset_df_after_reload): New functions.
15458 * df-scan.c: The scanning fuctions, once in df.c, completely
15459 rewritten so that they now fully model the functionality of
15460 register usage at the backend.
15461 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15462 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15463 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15464 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15465 df_get_artificial_defs, df_get_artificial_uses,
15466 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15467 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15468 df_refs_delete, df_reorganize_refs, df_set_state,
15469 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15470 df_def_record_1, df_defs_record, df_uses_record,
15471 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15472 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15473 df_record_exit_block_uses, df_hard_reg_init): New functions.
15475 * df-problems.c: Seven concrete dataflow problems that use the
15476 scanning in df-scan.c and are solved by the engine in df-core.c.
15477 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15478 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15479 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15480 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15481 df_ru_free_bb_info, df_ru_alloc,
15482 df_ru_bb_local_compute_process_def,
15483 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15484 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15485 df_ru_transfer_function, df_ru_free, df_ru_dump,
15486 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15487 df_rd_free_bb_info, df_rd_alloc,
15488 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15489 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15490 df_rd_transfer_function, df_rd_free, df_rd_dump,
15491 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15492 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15493 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15494 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15495 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15496 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15497 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15498 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15499 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15500 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15501 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15502 df_urec_mark_reg_use_for_earlyclobber,
15503 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15504 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15505 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15506 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15507 df_chain_create_bb_process_use, df_chain_create_bb,
15508 df_chain_finalize, df_chain_free, df_chains_dump,
15509 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15510 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15511 df_reg_lifetime): New functions.
15512 * df.c: Deleted file.
15513 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15514 consistent with new df api.
15515 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15516 rest_of_handle_sms): Ditto.
15517 * web.c (unionfind_union, union_defs, entry_register, web_main):
15519 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15520 invariant_expr_equal_p, find_defs, check_dependencies,
15521 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15522 free_inv_motion_data, move_loop_invariants): Ditto.
15523 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15524 Update dependencies.
15525 (odf.c): Added defective entry that was deleted later in day.
15526 * sched-deps.c (sched_analyze_1): Ditto.
15528 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15530 * tree-ssa-operands.c (get_expr_operands): Record addressable
15531 variables directly. Do not call add_stmt_operands for CONST_DECLs
15533 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15534 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15536 2006-01-11 Ben Elliston <bje@au.ibm.com>
15538 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15539 function returns true in the positive case.
15541 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15544 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15545 for SI, DI, SF and DF modes. Add alternatives to copy between
15546 general and floating point registers to the 32-bit patterns.
15547 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15548 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15549 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15550 generating 64-bit code.
15551 * config/pa/pa.c (output_move_double): Handle copies between general
15552 and floating registers.
15554 2006-01-10 Stuart Hastings <stuart@apple.com>
15556 * config/i386/i386.md (set_got): Update.
15557 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15558 (builtin_setjmp_receiver): Mach-O support.
15559 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15560 (GOT_SYMBOL_NAME): Define.
15561 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15562 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15563 * config/i386/i386.c (override_options): Revise for Darwin.
15564 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15565 support. (darwin_x86_file_end): New. (output_set_got): Add label
15566 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15567 * config/i386/i386-protos.h (output_set_got): Likewise.
15568 * config/darwin.c (machopic_legitimize_pic_address): Update
15571 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15573 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15574 when MODE isn't BLKmode.
15576 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15578 PR rtl-optimization/25367
15579 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15581 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15584 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15585 for a negative bound.
15587 2006-01-10 Richard Guenther <rguenther@suse.de>
15589 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15590 Never override with anything constraint.
15592 2006-01-10 Jan Beulich <jbeulich@novell.com>
15594 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15595 256 bits when optimize_size.
15597 2006-01-10 Jan Beulich <jbeulich@novell.com>
15599 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15601 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15602 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15605 2006-01-10 Ben Elliston <bje@au.ibm.com>
15607 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15609 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15610 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15611 (USE_FP_FOR_ARG): Reject decimal float modes.
15612 (function_arg_advance): Likewise.
15613 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15614 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15615 point types in AltiVec vectors.
15616 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15617 (rs6000_libcall_value): Likewise.
15619 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15621 * config/xtensa/ieee754-df.S: New file.
15622 * config/xtensa/ieee754-sf.S: New file.
15623 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15624 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15625 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15627 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15629 * config/sh/predicates.md (binary_float_operator,
15630 binary_logical_operator, commutative_float_operator,
15631 equality_comparison_operator, greater_comparison_operator,
15632 less_comparison_operator, logical_operator,
15633 noncommutative_float_operator, shift_operator,
15634 symbol_ref_operand, unary_float_operator): Remove redundant
15637 2006-01-09 Jeff Law <law@redhat.com>
15639 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15640 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15641 now unused arguments. Callers updated.
15642 (eliminate_redundant_computations): Remove now unused arguments,
15644 (local_fold): Remove, no longer used.
15645 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15647 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15648 (simplify_cond): New function.
15649 (forward_propagate_into_cond): Call simplify_cond.
15651 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15653 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15654 (*vec_extractv2di_1_sse): New.
15656 2006-01-09 Ben Elliston <bje@au.ibm.com>
15658 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15660 2006-01-08 Richard Guenther <rguenther@suse.de>
15662 * tree-ssa-structalias.c (get_constraint_for): Remove
15663 anyoffset argument.
15664 (get_constraint_for_component_ref): Likewise.
15665 (do_deref): Likewise.
15666 (get_constraint_for): Likewise.
15667 (do_structure_copy): Likewise.
15668 (handle_ptr_arith): Likewise.
15669 (find_func_aliases): Likewise. Remove unused need_anyoffset
15672 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15673 Kaz Kojima <kkojima@gcc.gnu.org>
15675 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15676 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15677 (EXTRA_CONSTRAINT_C16): Remove.
15678 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15679 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15680 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15681 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15682 constants of SHmedia. Handle nested constant expressions of
15684 (andcosts): Fix the costs for SHmedia constants.
15685 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15686 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15687 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15688 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15689 (movv4hi_i, movv2si_i): Likewise.
15690 (movsi_const): Adjust the second operand of ior so to match with
15691 the Csu constraint.
15692 (movdi_const, movdi_const_32bit): Likewise.
15693 (movdi_const_16bit+1): Don't sign-extend LOW.
15694 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15696 (*double_shori): Fix the split condition. Use GEN_INT instead
15697 of get_int_mode calls. Mask lower 16-bit of the argument of
15699 (sym2GOTPLT): Remove.
15700 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15702 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15703 instead of EXTRA_CONSTRAINT_C16.
15705 2006-01-07 Ian Lance Taylor <ian@airs.com>
15706 David Edelsohn <edelsohn@gnu.org>
15708 PR rtl-optimization/25662
15709 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15710 for constant operands instead of simplify_gen_binary.
15711 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15712 after trying simplify_binary_operation
15714 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15716 * tree.c (iterative_hash_expr): Hash decls based on UID.
15718 2006-01-06 Eric Christopher <echristo@apple.com>
15720 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15721 (TARGET_UNWIND_EMIT): Fix spelling.
15722 * target.h (gcc_target): Add except_table_label.
15723 * except.c (output_function_exception_table): Use.
15724 * varasm.c (default_emit_except_table_label): New.
15725 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15727 (asm_out): Add here.
15728 * output.h (default_emit_except_table_label): Prototype.
15729 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15730 * config/darwin.c (darwin_emit_except_table_label): Define.
15731 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15733 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15735 PR tree-optimization/18527
15736 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15737 number_of_iterations_special, number_of_iterations_exit):
15738 Move base and step of an iv to a single structure. Add
15739 no_overflow flag, and use it in # of iterations analysis.
15740 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15741 folded_casts argument.
15742 (simple_iv): Pass base and step in a structure. Set no_overflow
15744 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15745 Evaluate expensiveness of computing # of iterations instead of
15746 the final expression.
15747 * tree-scalar-evolution.h (affine_iv): New structure.
15748 (simple_iv): Declaration changed.
15749 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15750 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15751 find_givs_in_stmt): Changed due to simple_iv change.
15753 2006-01-06 Jeff Law <law@redhat.com>
15756 * tree-cfg.c (bsi_replace): Rename final argument from
15757 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15758 change (stmt -> orig_stmt).
15759 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15760 (bsi_remove): Add new argument. Remove EH information
15762 (verify_eh_throw_table_statements): New function.
15763 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15765 * tree-optimize.c (execute_free_cfg_annotations): Verify
15766 the EH throw statement table after removing annotations.
15767 * except.h (verify_eh_throw_table_statements): Prototype.
15768 * tree-flow.h (bsi_remove): Update prototype.
15769 * tree-vrp.c (remove_range_assertions): Add new argument to
15771 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15772 * tree-complex.c (expand_complex_div_wide): Likewise.
15773 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15774 * tree-tailcall.c (eliminate_tailcall): Likewise.
15775 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15776 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15777 * tree-nrv.c (tree_nrv): Likewise.
15778 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15779 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15780 (combine_blocks): Likewise.
15781 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15782 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15783 (cleanup_control_flow): Likewise.
15784 (remove_forwarder_block): Likewise.
15785 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15786 * tree-sra.c (sra_replace): Likewise.
15787 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15788 (forward_propagate_single_use_vars): Likewise.
15789 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15790 * tree-inline.c (expand_call_inline): Likewise.
15791 * tree-vect-transform.c (vect_transform_loop): Likewise.
15792 * tree-outof-ssa.c (rewrite_trees): Likewise.
15793 * tree-cfg.c (make_goto_expr_edges): Likewise.
15794 (cleanup_dead_labels): Likewise.
15795 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15796 (bsi_move_before, bsi_move_after): Likewise.
15797 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15798 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15800 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15803 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15805 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15806 on non gimple variables. Also add checks at the top for decls and
15808 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15810 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15811 and IMAGPART_EXPR for creating MUST_DEFs.
15812 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15813 and NAME_MEMORY_TAG separately from the DECLs.
15815 2006-01-06 Richard Guenther <rguenther@suse.de>
15817 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15818 annotation, if necessary.
15819 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15820 redundant calls to update_stmt.
15821 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15824 2006-01-05 Richard Henderson <rth@redhat.com>
15826 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15828 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15830 * c-typeck.c: Update copyright date.
15832 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15834 * c-typeck.c (build_c_cast): Always warn when casting
15835 from a pointer to an integer of different size, even if
15836 the node was constant.
15838 2006-01-05 Richard Guenther <rguenther@suse.de>
15840 PR tree-optimization/22555
15841 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15842 if one structure field is an array.
15843 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15844 operands even if we found a subvar, but ignore VOPs in this
15846 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15848 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15850 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15852 PR middle-end/24998
15853 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15855 2006-01-05 Richard Guenther <rguenther@suse.de>
15856 Diego Novillo <dnovillo@redhat.com>
15858 * tree-pass.h (TODO_remove_unused_locals): Define.
15859 * gimple-low.c (expand_var_p, remove_useless_vars,
15860 pass_remove_useless_vars): Remove. Update all users.
15861 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15862 (remove_unused_locals): New function.
15863 * tree-flow.h (remove_unused_locals): Declare.
15864 * passes.c (execute_todo): Call remove_unused_locals if
15865 TODO_remove_unused_locals is set.
15866 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15867 * tree-ssa-dce.c (pass_dce): Likewise.
15868 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15870 2006-01-05 Richard Guenther <rguenther@suse.de>
15872 * tree-flow.h (struct fieldoff): Decompose field to
15873 type, size and decl.
15874 * tree-ssa-alias.c (create_sft): Take type as parameter.
15875 (create_overlap_variables_for): Store type, size and decl
15876 in the fieldoff structure.
15877 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15878 of struct fieldoff.
15879 (push_fields_onto_fieldstack): Likewise.
15880 (create_variable_info_for): Likewise. Use offset for the
15881 SFT name if the decl is not available.
15883 2006-01-04 Paul Brook <paul@codesourcery.com>
15885 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15887 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15889 * lambda-code.c (can_put_in_inner_loop): Relax
15891 (can_put_after_inner_loop): New function.
15892 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15893 (perfect_nestify): Change to make copies and modify uses.
15895 2006-01-04 Richard Henderson <rth@redhat.com>
15897 Merge from gomp branch:
15898 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15899 via integer constant.
15900 (pragma_lex): Remove.
15901 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15902 rather than parsing it.
15903 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15904 handle_pragma_extern_prefix): Add %< %> quotes.
15905 (registered_pragmas): New.
15906 (c_register_pragma_1): New.
15907 (c_register_pragma): Use it.
15908 (c_register_pragma_with_expansion): Likewise.
15909 (c_invoke_pragma_handler): New.
15910 (init_pragma): Use cpp_register_deferred_pragma directly for
15912 * c-pragma.h (enum pragma_kind): New.
15913 (pragma_handler): New.
15914 (c_invoke_pragma_handler): Declare.
15915 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15917 * c-common.h (c_common_pch_pragma): Update decl.
15918 * Makefile.in (c-parser.o): Update dependencies.
15919 (GTFILES): Add c-pragma.h.
15920 * c-parser.c (struct c_token): Add pragma_kind.
15921 (struct c_parser): Add in_pragma.
15922 (c_lex_one_token): Always initialize keyword and pragma_kind.
15923 Extract data for CPP_PRAGMA.
15924 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15925 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15926 Don't allow CPP_PRAGMA_EOL if in_pragma.
15927 (c_parser_consume_pragma): New.
15928 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15929 (c_parser_skip_to_end_of_parameter): Likewise.
15930 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15931 (c_parser_skip_to_pragma_eol): New.
15932 (c_parser_external_declaration): Handle CPP_PRAGMA.
15933 (c_parser_compound_statement_nostart): Likewise.
15934 (c_parser_statement_after_labels): Likewise.
15935 (c_parser_pragma): New.
15936 (pragma_lex): Likewise.
15937 (c_parser_pragma_pch_preprocess): New.
15938 (c_parser_new): Merge into ...
15939 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15941 2006-01-04 Jeff Law <law@redhat.com>
15944 * tree-cfg.c (bsi_replace): Remove the original statement
15945 from the EH throw statement table.
15947 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15949 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15950 make the prototype extern "C" and add throw ().
15953 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15954 and pos non-negative and pos + len <= 32.
15955 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15956 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15957 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15960 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15961 as well as sizes not multiple of component size.
15964 * function.c (instantiate_expr): New function.
15965 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15966 walk its DECL_VALUE_EXPR with instantiate_expr.
15968 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15969 DW_OP_deref{,_size} if address isn't going to be added.
15971 2006-01-04 Ben Elliston <bje@au.ibm.com>
15973 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15974 * config/fp-bit.c: Likewise.
15976 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15978 * dominance.c: Add comment about why we use DFS numbering
15981 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15982 Richard Henderson <rth@redhat.com>
15984 Merge from gomp-branch:
15985 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15986 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15988 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15990 PR rtl-optimization/25578
15991 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15992 pass a parameter to simplify_shift_const if changing ASHIFTRT
15995 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15997 * builtins.c (get_builtin_sync_mem): New function.
15998 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15999 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16000 Call get_builtin_sync_mem to generate mem rtx.
16002 2006-01-03 Richard Guenther <rguenther@suse.de>
16005 * stmt.c (add_case_node): Make sure to clear overflow flags
16008 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16010 Merge from gomp-branch.
16011 * config/sparc/sync.md: New file.
16012 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16013 UNSPECV_LDSTUB): New constants.
16014 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16015 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16016 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16019 2006-01-03 Roger Sayle <roger@eyesopen.com>
16021 * combine.c (reg_subword_p): New predicate to test whether the
16022 destination of a set refers to a subword/piece of a register.
16023 (try_combine): Generalize the code to merge the setting of a
16024 pseudo to a constant followed by a set of a subword of that
16025 register to a constant.
16027 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16029 * basic-block.h (control_flow_graph): Change the type of
16030 x_label_to_block_map to VEC(basic_block,gc) *.
16031 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16032 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16034 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16035 VEC(basic_block,heap) *.
16036 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16037 ssa_prop_fini): Adjust the uses of cfg_blocks.
16039 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16041 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16043 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16044 hashing trees instead of a pointer hash.
16045 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16046 compare for MEM_EXPR.
16048 PR rtl-optimization/25130
16049 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16050 when comparing MEMs for GCSE
16052 2006-01-03 Ben Elliston <bje@au.ibm.com>
16054 * targhooks.h (default_decimal_float_supported_p): Declare.
16055 * targhooks.c (default_decimal_float_supported_p): Define.
16056 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16057 `default_decimal_float_supported_p'.
16058 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16060 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16062 * combine.c (apply_distributive_law <SUBREG>): Check
16063 TRULY_NOOP_TRUNCATION.
16065 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16067 * dwarf2out.c (have_switched_text_section): Delete.
16068 (have_multiple_function_sections): New.
16069 (have_location_lists): Make 'bool'.
16070 (add_AT_loc_list): Use 'true' not '1'.
16071 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16072 (output_loc_list): Use have_multiple_function_sections.
16073 (output_ranges): Likewise.
16074 (dwarf2out_begin_function): Set have_multiple_function_sections if
16076 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16077 Check function_section rather than DECL_SECTION_NAME.
16078 (dwarf2out_finish): Use have_multiple_function_sections.
16079 Don't clear have_location_lists.
16081 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16082 Jan Hubicka <jh@suse.cz>
16084 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16085 case of conditional jump jumping to the next instruction.
16086 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16087 cases of conditional jump jumping to the next instruction.
16089 2006-01-02 Jan Hubicka <jh@suse.cz>
16091 * i386.c (*_cost): Add COSTS_N_INSNS.
16092 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16094 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16097 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16099 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16101 * config/arm/arm.c (all_fpus): Fix comment typo.
16102 * config/darwin.c: Likewise.
16103 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16104 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16105 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16107 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16109 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16110 (rs6000_split_compare_and_swapqhi): New.
16111 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16112 (sync_compare_and_swapqhi_internal): New.
16113 * config/rs6000/rs6000-protos.h: Declare.