1 2006-10-21 Richard Guenther <rguenther@suse.de>
4 * config/i386/i386.c (classify_argument): Remove redundant
6 (contains_128bit_aligned_vector_p): Likewise.
8 2006-10-20 Mark Mitchell <mark@codesourcery.com>
10 * BASE-VER: Set to 4.3.0.
12 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
14 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
15 (tree_decl_with_vis): Remove artificial_pta_var flag.
16 * tree-flow.h (referenced_var_check_and_insert): Expose.
17 (nonlocal_all): New prototype.
18 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
19 (nonlocal_all): Make global.
20 (nonlocal_lookup): Remove.
21 (nonlocal_insert): Ditto.
22 (create_nonlocal_var): Do not call nonlocal_insert.
23 (get_nonlocal_id_for_type): Remove.
24 (find_global_initializers): Mark new vars we find for renaming.
25 (intra_create_variable_infos): Only create one nonlocal.
26 (expand_nonlocal_solutions): Remove.
27 (compute_points_to_sets): Don't call it.
28 (ipa_pta_execute): Ditto.
29 (init_alias_heapvars): Don't create nonlocal_for_type.
30 (delete_alias_heapvars): Don't remove it.
31 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
34 2006-10-19 Brooks Moses <bmoses@stanford.edu>
36 * doc/install.texi (Downloading GCC): Clarify mention of
37 Fortran in the "full distribution" description.
39 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
41 Fix PR tree-optimization/28778
42 Fix PR tree-optimization/29156
43 Fix PR tree-optimization/29415
44 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
45 (tree_decl_with_vis): Add artificial_pta_var flag.
46 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
48 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
49 (nonlocal_all): Ditto.
50 (struct variable_info): Add directly_dereferenced member.
51 (var_escaped_vars): New variable.
52 (escaped_vars_tree): Ditto.
53 (escaped_vars_id): Ditto.
54 (nonlocal_vars_id): Ditto.
55 (new_var_info): Set directly_dereferenced.
56 (graph_size): New variable
57 (build_constraint_graph): Use graph_size.
58 (solve_graph): Don't process constraints that cannot change the
59 solution, don't try to propagate an empty solution to our
61 (process_constraint): Set directly_dereferenced.
62 (could_have_pointers): New function.
63 (get_constraint_for_component_ref): Don't process STRING_CST.
64 (nonlocal_lookup): New function.
65 (nonlocal_insert): Ditto.
66 (create_nonlocal_var): Ditto.
67 (get_nonlocal_id_for_type): Ditto.
68 (get_constraint_for): Allow results vector to be empty in the case
70 Handle results of calls properly.
71 (update_alias_info): Update alias info stats on number and type of
73 (find_func_aliases): Use could_have_pointers.
74 (make_constraint_from_escaped): Renamed from
75 make_constraint_to_anything, and changed to make constraints from
77 (make_constraint_to_escaped): New function.
78 (find_global_initializers): Ditto.
79 (create_variable_info_for): Make constraint from escaped to any
80 global variable, and from any global variable to the set of
82 (intra_create_variable_infos): Deal with escaped instead of
84 (set_uids_in_ptset): Do type pruning on directly dereferenced
86 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
87 (init_base_vars): Fix comment, and initialize escaped_vars.
88 (need_to_solve): Removed.
89 (find_escape_constraints): New function.
90 (expand_nonlocal_solutions): Ditto.
91 (compute_points_to_sets): Call find_escape_constraints and
92 expand_nonlocal_solutions.
93 (delete_points_to_sets): Don't fall off the end of the graph.
94 (init_alias_heapvars): Initialize nonlocal_for_type and
96 (delete_alias_heapvars): Free nonlocal_for_type and null out
99 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
101 * fold-const.c (add_double): Rename to add_double_with_sign.
102 Add 'unsigned_p' parameter and take it into account for the overflow.
103 (mul_double): Rename to mul_double_with_sign.
104 Add 'unsigned_p' parameter and take it into account for the overflow.
105 (fold_div_compare): Call add_double_with_sign instead of add_double
106 and mul_double_with_sign instead of mul_double, passing them the
107 unsignedness of the type.
108 * tree.h (add_double): Macroize.
109 (add_double_with_sign): New prototype.
110 (mul_double): Macroize.
111 (mul_double_with_sign): New prototype.
113 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
115 * config/score/crti.asm: New file.
116 * config/score/crtn.asm: New file.
117 * config/score/elf.h: New file.
118 * config/score/mac.md: New file.
119 * config/score/misc.md: New file.
120 * config/score/mul-div.S: New file.
121 * config/score/predicates.md: New file.
122 * config/score/score7.md: New file.
123 * config/score/score.c: New file.
124 * config/score/score-conv.h: New file.
125 * config/score/score.h: New file.
126 * config/score/score.md: New file.
127 * config/score/score-mdaux.c: New file.
128 * config/score/score-mdaux.h: New file.
129 * config/score/score-modes.def: New file.
130 * config/score/score.opt: New file.
131 * config/score/score-protos.h: New file.
132 * config/score/score-version.h: New file.
133 * config/score/t-score-elf: New file.
134 * config.gcc: Add score*-*-* configurations(Update before).
135 * doc/invoke.texi (Score Options): New section.
136 * doc/md.texi (Score family): New section to document constraints.
138 2006-10-19 Nick Clifton <nickc@redhat.com>
140 * config/arm/arm.c: Fix spelling typo.
142 2006-10-18 Tom Tromey <tromey@redhat.com>
144 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
146 2006-10-18 Jan Hubicka <jh@suse.cz>
149 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
152 2006-10-18 Marcin Dalecki <martin@dalecki.de>
154 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
155 TSI_SAME_STMT, since that's the desired entity.
157 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
159 * config/s390/contraints.md: New file.
160 * config/s390/s390-protos.h (s390_mem_constraint,
161 s390_O_constraint_str, s390_N_constraint_str,
162 s390_float_const_zero_p): Function prototypes added.
163 * config/s390/s390.c (s390_extra_constraint_str,
164 s390_const_double_ok_for_constraint_p,
165 s390_const_ok_for_constraint_p): Functions removed.
166 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
167 s390_float_const_zero_p): New functions.
168 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
169 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
170 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
171 Macro definitions removed.
172 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
173 s390_extra_constraint_str): Functions removed.
175 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
176 Richard Sandiford <richard@codesourcery.com>
179 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
180 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
182 2006-10-16 Geoffrey Keating <geoffk@apple.com>
184 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
185 (DWARF2_FRAME_REG_OUT): Likewise.
186 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
187 (DWARF2_FRAME_REG_OUT): Likewise.
189 2006-10-17 Paul Brook <paul@codesourcery.com>
191 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
193 2006-10-16 Brooks Moses <bmoses@stanford.edu>
195 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
196 Standardize on "GNU Fortran" as the official name of the Fortran
199 2006-10-16 Mike Stump <mrs@apple.com>
201 * doc/invoke.texi (Darwin Options): Document -mkernel.
202 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
204 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
205 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
206 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
207 (OS_MISSING_ALTIVEC): Add.
208 * config/i386/i386.c (override_options): Add
209 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
210 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
211 -mkernel, -static or -mdynamic-no-pic is given.
212 (C_COMMON_OVERRIDE_OPTIONS): Add.
213 * config/darwin.opt (fapple-kext): Add.
215 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
216 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
218 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
219 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
220 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
221 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
222 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
224 (flag_apple_kext): Add.
225 (TARGET_KEXTABI): Add.
226 * config/darwin.c (darwin_handle_kext_attribute): Add.
227 (DARWIN_VTABLE_P): Add.
228 (darwin_binds_local_p): Add partial support for rebinding vtables
230 (darwin_kextabi_p): Add.
231 (darwin_override_options): Add.
232 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
233 (darwin_kextabi_p): Add.
234 (darwin_override_options): Add.
235 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
236 __DYNAMIC__ and __STATIC__ here.
238 2006-10-16 Brooks Moses <bmoses@stanford.edu>
240 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
241 Added mention of "make pdf" target, and Texinfo requirements for
244 2006-10-16 DJ Delorie <dj@redhat.com>
246 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
247 into the GOT in case we need a subreg of the address.
249 2006-10-16 Richard Guenther <rguenther@suse.de>
252 * doc/extend.texi (X86 Built-in Functions): Fix typos in
253 SSE builtin documentation. Document SSE2 builtins.
255 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
257 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
258 symbol in the output file for non-shared links when -nostdlib or
259 -nodefaultlibs isn't specified.
261 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
262 posix thread support.
264 2006-10-15 Jan Hubicka <jh@suse.cz>
267 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
268 declared always_inline even when not inlining.
270 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
271 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
272 Andrew Pinski <pinskia@gmail.com>
275 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
277 2006-10-15 Jan Hubicka <jh@suse.cz>
278 Richard Guenther <rguenther@suse.de>
281 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
282 process_function_and_variable_attributes on all variables, including
283 those discovered during cgraph construction phase.
285 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
287 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
289 2006-10-14 Uros Bizjak <uros@kss-loka.si>
291 * config/i386/athlon.md (athlon_fist): Add fisttp.
293 2006-10-13 David Edelsohn <edelsohn@gnu.org>
294 Ian Lance Taylor <ian@airs.com>
297 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
298 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
301 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
303 * config/score/score.c, config/score/score.h: Fix comment
306 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
309 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
312 2006-10-13 Eric Christopher <echristo@apple.com>
314 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
316 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
319 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
320 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
321 alignment supported by 32-bit ELF.
323 2006-10-13 Eric Christopher <echristo@apple.com>
325 * config/darwin.c (darwin_emit_unwind_label): Strip
326 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
328 2006-10-13 Richard Guenther <rguenther@suse.de>
330 PR tree-optimization/29446
331 * tree-vrp.c (fix_equivalence_set): Remove.
332 (extract_range_from_assert): Do not call fix_equivalence_set.
333 (debug_value_range): Print a newline.
334 (compare_name_with_value): For equivalence sets with
335 inconsistent value ranges conservatively bail out.
336 (compare_names): Likewise.
338 2006-10-13 David Edelsohn <edelsohn@gnu.org>
340 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
341 and MPFR for gfortran.
343 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
345 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
346 alignment supported by 32-bit ELF.
348 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
352 * c-typeck.c (digest_init): Always allow initializing vectors
353 that have static storage duration with compound literals.
354 * tree.c (build_type_attribute_qual_variant): New, based on
355 build_type_attribute_variant.
356 (build_type_attribute_variant): Rewrite using the former.
357 (make_vector_type): Use build_type_attribute_qual_variant to build
358 type variants. Use type_hash_canon on the others.
360 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
361 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
363 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
365 2006-10-12 Jan Hubicka <jh@suse.cz>
368 * c-decl.c (c_make_fname_decl): Do not segfault in case where
369 current_function_decl is set but current_function_scope is not.
371 2006-10-12 Jie Zhang <jie.zhang@analog.com>
373 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
374 emit_insn to emit eh_return_internal instruction.
375 (eh_return_internal): Explicitly set pc.
377 2006-10-11 Richard Guenther <rguenther@suse.de>
379 PR tree-optimization/28230
380 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
381 to the correct place.
383 2006-10-11 Richard Guenther <rguenther@suse.de>
386 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
389 2006-10-10 Brooks Moses <bmoses@stanford.edu>
391 * configure.ac: Added pdf to "Make-hooks"
392 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
393 targets and *.pdf file patterns in cleanup targets.
394 * configure: Regenerated.
396 2006-10-10 Anatoly Sokolov <aesok@post.ru>
398 * config/avr/predicates.md: New file.
399 * config/avr/avr.md: Include it.
400 (REG_SP): New constant.
401 (peepholes): Use predicates.
402 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
403 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
404 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
406 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
408 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
411 2006-10-10 Jakub Jelinek <jakub@redhat.com>
414 * builtins.c (var_decl_component_p): New function.
415 (fold_builtin_memset, fold_builtin_memory_op): Restrict
416 single entry optimization to variables and components thereof.
418 2006-10-10 Richard Guenther <rguenther@suse.de>
420 PR rtl-optimization/29323
421 * except.c (set_nothrow_function_flags): For functions
422 that do not bind local bail out early.
424 2006-10-10 Ben Elliston <bje@au.ibm.com>
426 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
429 2006-10-09 Richard Henderson <rth@redhat.com>
433 2006-10-09 Richard Guenther <rguenther@suse.de>
436 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
439 2006-10-09 Steve Ellcey <sje@cup.hp.com>
442 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
443 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
444 * configure: Regenerate.
445 * config.in: Regenerate.
447 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
449 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
451 2006-10-08 Richard Sandiford <richard@codesourcery.com>
453 * config/mips/mips.c (mips_legitimize_tls_address): Implement
454 all TLS models in the same way as local exec if !TARGET_ABICALLS.
455 Remove stray newline.
457 2006-10-08 Richard Sandiford <richard@codesourcery.com>
459 * config/mips/mips.c (mips_classify_symbol): Do not return
460 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
461 (mips_in_small_data_p): Tweak comments.
463 2006-10-08 Richard Sandiford <richard@codesourcery.com>
465 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
467 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
469 * gimplify.c, sched-int.h: Fix comment typos.
471 * sched-int.h: Fix comment typos.
473 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
475 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
477 * sched-ebb.c (begin_schedule_ready): Use them.
478 * haifa-sched.c (schedule_insn, move_insn, try_ready,
479 add_to_speculative_block, create_check_block_twin, speculate_insn,
480 fix_jump_move, move_block_after_check): Ditto.
481 * sched-rgn.c (new_ready): Ditto.
483 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
485 PR rtl-optimization/29128
486 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
487 * sched-ebb.c (advance_target_bb): Use it to fix condition to
488 allow interblock movement of speculation checks.
490 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
493 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
494 casted to integer type.
495 (get_address_cost): Decrease cost of [symbol + index] addressing modes
496 if they are significantly more expensive than [reg + index] ones.
498 2006-10-06 Jakub Jelinek <jakub@redhat.com>
500 PR tree-optimization/29330
501 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
502 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
503 on newly allocated ddrs.
504 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
505 to VEC (loop_p, heap) pointer.
506 (compute_data_dependences_for_loop): Adjust caller.
507 (free_dependence_relations): Free DDR_LOOP_NEST.
509 * tree-loop-linear.c (linear_transform_loops): Don't forget to
510 free DEPENDENCE_RELATIONS and DATAREFS.
513 * builtins.c (expand_builtin_sync_operation,
514 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
515 Use convert_to_mode to handle promoted arguments.
517 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
519 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
521 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
523 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
525 2006-10-05 Uros Bizjak <uros@kss-loka.si>
527 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
528 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
529 Use <modeconstraint> instead of "r" as operand 1 constraint.
531 2006-10-06 Olivier Hainque <hainque@adacore.com>
533 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
534 Don't recurse on the pointed-to type.
535 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
536 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
537 types with components of variable size.
539 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
541 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
543 2006-10-06 Jakub Jelinek <jakub@redhat.com>
545 PR tree-optimization/29290
546 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
550 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
551 * config/i386/predicates.md (local_symbolic_operand): Likewise.
554 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
555 the number of vector elements fill the rest with zeros.
557 2006-10-05 Richard Sandiford <richard@codesourcery.com>
559 * config/mips/mips.c (mips_pass_by_reference): Do not return false
560 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
563 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
565 * config/bfin/bfin.md (subsi3): Lose expander, change previously
566 unnamed pattern into subsi3. Use correct constraints/predicates.
567 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
568 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
570 2006-10-05 Ira Rosen <irar@il.ibm.com>
572 * doc/loop.texi: Add data references analysis description.
574 2006-10-04 Brooks Moses <bmoses@stanford.edu>
576 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
578 2006-10-04 Richard Henderson <rth@redhat.com>
579 Jakub Jelinek <jakub@redhat.com>
581 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
582 * builtin-types.def (BT_WORD): Make unsigned.
583 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
584 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
585 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
586 * c-decl.c (grokdeclarator): Don't error if !have_tls.
587 * c-parser.c (c_parser_omp_threadprivate): Likewise.
588 * cgraph.c (decide_is_variable_needed): Look at force_output.
589 Recurse for emulated tls.
590 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
591 checks redundant with decide_is_variable_needed.
592 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
593 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
595 * expr.c (emutls_var_address): New.
596 (expand_expr_real_1): Expand emulated tls.
597 (expand_expr_addr_expr_1): Likewise.
598 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
599 * output.h (emutls_finish): Declare.
600 * toplev.c (compile_file): Call it.
601 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
602 address before wrapping in CONST.
603 * varasm.c (emutls_htab, emutls_object_type): New.
604 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
605 (get_emutls_object_name, get_emutls_object_type): New.
606 (get_emutls_init_templ_addr, emutls_decl): New.
607 (emutls_common_1, emutls_finish): New.
608 (assemble_variable): When emulating tls, swap decls; generate
609 constructor for the emutls objects.
610 (do_assemble_alias): When emulating tls, swap decl and target name.
611 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
613 * emutls.c: New file.
614 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
615 tls_object for real tls.
617 2006-10-04 Zack Weinberg <zackw@panix.com>
619 Fix bug in constraint-check generator, reported by Rask Ingemann
621 * genpreds.c (add_constraint): Don't remove anything from the
623 (write_tm_constrs_h): Detect whether "op" argument is used, and
624 mark it ARG_UNUSED if it isn't.
625 (write_insn_const_int_ok_for_constraint): Skip the part of the
626 expression that would test whether "op" (which is not available
627 here) is a CONST_INT.
629 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
632 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
634 2006-10-03 Geoffrey Keating <geoffk@apple.com>
636 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
637 current Leopard versions.
638 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
640 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
642 * doc/install.texi: Fix typos.
644 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
646 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
647 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
648 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
650 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
652 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
653 arg to be struct mach_header_64* instead.
655 2006-10-02 Jakub Jelinek <jakub@redhat.com>
658 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
659 side effects after the outer expression's post side effects.
661 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
663 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
664 comments to reflect actual behavior and relationship between
665 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
667 * doc/c-tree.texi (Working with declarations): Fix documentation
668 of FIELD_DECL likewise.
670 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
673 * doc/extend.texi: Add used variable attribute description.
675 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
678 * c.opt (Woverride-init): New.
679 * c-opts.c (c_common_post_options): Default warn_override_init to
681 * c-typeck.c (add_pending_init, output_init_element): Warn for
682 overriding initializers without side effects.
683 * doc/invoke.texi (-Woverride-init): Document.
686 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
688 PR rtl-optimization/28096
689 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
690 assignment has already been used as a destination earlier in the block.
692 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
694 * builtins.c (expand_builtin_setjmp): Delete.
695 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
696 <BUILT_IN_SETJMP_SETUP>: New case.
697 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
698 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
699 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
700 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
701 (BUILT_IN_SETJMP_RECEIVER): Likewise.
702 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
703 (lower_function_body): Initialize it to false. If it is set to true
704 at the end of the processing, emit the setjmp dispatcher.
705 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
706 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
707 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
708 on the rhs of the assignment.
709 (lower_builtin_setjmp): New function.
710 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
711 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
712 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
713 to detect calls that can go to non-local labels. Use specific
714 helper to create the abnormal edges associated with them.
715 <MODIFY_EXPR>: Likewise.
716 (make_abnormal_goto_edges): New function extracted from...
717 (make_goto_expr_edges): ...here. Call it for computed gotos.
718 (simple_goto_p): Minor tweak.
719 (tree_can_make_abnormal_goto): New predicate.
720 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
721 (tree_purge_dead_abnormal_call_edges): New function.
722 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
723 (tree_purge_dead_abnormal_call_edges): Likewise.
724 (make_abnormal_goto_edges): Likewise.
725 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
726 Purge all dead abnormal edges if the call was in the last statement.
727 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
728 (execute_fixup_cfg): If there are non-local labels in the function,
729 scan the basic blocks and split them at calls that can go to non-local
730 labels or add missing abnormal call edges. Write down the CFG in the
732 (pass_fixup_cfg): Remove TODO_dump_func flag.
733 * unwind-sjlj.c: Poison setjmp.
734 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
735 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
736 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
737 (DONT_USE_BUILTIN_SETJMP): Document it.
739 2006-09-28 Geoffrey Keating <geoffk@apple.com>
742 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
743 to 1 when __ppc64__ is defined.
744 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
746 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
748 2006-09-28 Steve Ellcey <sje@cup.hp.com>
750 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
751 * config/ia64/unwind-hpux.c: Delete.
753 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
755 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
756 on the element before gimplifying it, instead of punting if it is of
759 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
761 * doc/loop.texi: New file.
762 * doc/gccint.texi: Reference loop.texi.
763 * Makefile.in (loop.texi): Add.
765 2006-09-27 Geoffrey Keating <geoffk@apple.com>
767 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
769 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
770 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
772 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
774 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
776 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
778 * doc/install.texi: Document required versions of GMP and MPFR.
780 2006-09-27 Paul Brook <paul@codesourcery.com>
783 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
785 2006-09-27 Richard Sandiford <richard@codesourcery.com>
787 * reload1.c (alter_reg): Require the alignment of the stack slot to
788 be at least reg_max_ref_width bytes.
789 (scan_paradoxical_subregs): Record the largest width in
792 2006-09-26 Jakub Jelinek <jakub@redhat.com>
796 * tree-nested.c (struct nesting_info): Added static_chain_added.
797 (convert_call_expr): Set static_chain_added when adding static
798 chain. Handle OMP_PARALLEL and OMP_SECTION.
800 2006-09-25 Matthias Klose <doko@debian.org>
802 * doc/invoke.texi: Add missing full stop.
804 2006-09-25 Richard Henderson <rth@redhat.com>
806 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
807 before cgraph_function_flags_ready.
809 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
810 Adam Nemet <anemet@caviumnetworks.com>
812 * tree-ssa-loop-ivopts.c (aff_combination_convert,
813 determine_common_wider_type): New functions.
814 (get_computation_aff): Use them to simplify arithmetic between
815 UBASE and CBASE if they are shortened from the same type.
817 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
820 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
821 -2147483647 - 1 instead of 0x80000000.
823 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
825 * flags.h (HONOR_NANS): Fix typo in comment.
827 2006-09-23 Uros Bizjak <uros@kss-loka.si>
829 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
831 2006-09-23 Jakub Jelinek <jakub@redhat.com>
835 * tree.c (merge_attributes, attribute_list_contained): If both
836 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
838 * c-typeck.c (comptypes_internal): Don't consider aggregates
839 in different TUs as compatible if there one set of attributes is
840 not a subset of the other type's attributes.
841 (composite_type): Try harder not to create a new aggregate type.
843 2006-09-22 Geoffrey Keating <geoffk@apple.com>
845 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
846 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
847 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
848 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
849 than replicating condition above.
850 * config.host (i[34567]86-*-*): Always use driver-i386.o.
852 * config/darwin.h (LINK_SYSROOT_SPEC): New.
853 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
854 the linker by default.
856 2006-09-22 Mike Stump <mrs@apple.com>
858 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
861 2006-09-22 Richard Guenther <rguenther@suse.de>
864 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
865 sort of stack variables stable.
867 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
870 * explow.c (force_reg): Set REG_POINTER flag according to
873 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
875 PR tree-optimization/28888
876 * tree-if-conv.c (combine_blocks): Rewritten.
877 * tree-cfg.c (tree_verify_flow_info): Check that edges with
878 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
880 2006-09-22 Jakub Jelinek <jakub@redhat.com>
882 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
885 2006-09-21 Richard Sandiford <richard@codesourcery.com>
887 * varasm.c (copy_constant): Fix reversed gcc_assert check.
889 2006-09-21 Janis Johnson <janis187@us.ibm.com>
891 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
893 2006-09-21 Roger Sayle <roger@eyesopen.com>
896 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
897 dw_fde_current_label, to be the start of the function, i.e. the same
898 value as dw_fde_begin.
900 2006-09-20 Richard Sandiford <richard@codesourcery.com>
902 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
903 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
904 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
905 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
906 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
907 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
908 (abs<mode>2, neg<mode>2): Likewise.
909 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
910 (*mips_abs_ps): New define_insn.
912 2006-09-20 Josh Conner <jconner@apple.com>
915 * calls.c (expand_call): Allow reuse of structure return stack
918 2006-09-20 Paul Brook <paul@codesourcery.com>
920 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
923 2006-09-20 Janis Johnson <janis187@us.ibm.com>
925 * doc/extend.texi (Decimal Float): Update for latest draft TR,
926 clean up terminology.
928 2006-09-20 Steve Ellcey <sje@cup.hp.com>
931 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
932 with tablejumps in them.
934 2006-09-20 Jakub Jelinek <jakub@redhat.com>
937 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
938 wrap it into TARGET_EXPR.
940 2006-09-20 Eric Christopher <echristo@apple.com>
942 * config/i386/i386.c (x86_fisttp): Remove.
943 * config/i386/i386.h (x86_fisttp): Ditto.
944 (TARGET_FISTTP): Ditto.
946 2006-09-19 Eric Christopher <echristo@apple.com>
948 * doc/tm.texi (OBJC_JBLEN): Describe.
949 * config/i386/darwin.h (OBJC_JBLEN): Define.
950 * config/rs6000/darwin.h: Ditto.
952 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
954 PR rtl-optimization/21299
955 * reload1.c (reload): Purge invalid ASMs in the final pass.
957 2006-09-19 Steve Ellcey <sje@cup.hp.com>
960 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
961 pointers as legitimate constants.
963 2006-09-19 Paul Brook <paul@codesourcery.com>
966 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
968 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
970 PR tree-optimization/28887
971 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
972 component parts from the reference.
973 (gather_memory_references_ref): Record the reference without the
974 nonaddressable component parts.
976 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
979 * c-opts.c (c_common_handle_option): Ignore the -std options
980 if the input language is assembly.
982 2006-09-17 Ira Rosen <irar@il.ibm.com>
985 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
987 (ptr_ptr_may_alias_p): Likewise.
988 (record_record_differ_p): New function.
989 (base_object_differ_p): Call record_record_differ_p.
991 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
994 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
995 away for the expr argument.
997 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1000 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1001 before using it for dumping after vectorizing loops.
1003 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1004 Jack Howarth <howarth@bromo.med.uc.edu>
1007 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1008 skip on error_mark_node.
1009 (rs6000_darwin64_record_arg_recurse): Likewise.
1011 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1013 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1014 * doc/rtl.texi: Remove related documentation.
1016 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1018 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1021 2006-09-15 Jim Wilson <wilson@specifix.com>
1023 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1024 Handle symbol offsets same as they are handled in ia64_expand_move
1027 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1029 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1030 Add forgotten parameter to the fprintf call.
1032 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1034 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1036 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1038 * doc/contrib.texi: Add my entry.
1040 2006-09-15 Nick Clifton <nickc@redhat.com>
1042 * doc/md.texi (Processor pipeline description): Fix typo in
1043 example of how to use the absence_set directive and reword the
1044 description to make it slightly easier to read.
1046 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1048 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1049 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1050 expanding the number of iterations.
1051 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1053 * cfgrtl.c (emit_insn_at_entry): New function.
1054 * rtl.h (emit_insn_at_entry): Declare it.
1055 * integrate.c (emit_initial_value_sets): Use it.
1057 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1059 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1061 (struct loop_work and related VEC declarations): Delete.
1062 (bfin_dump_loops): Print out new member bad.
1063 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1064 (bfin_scan_loop): Don't recurse.
1065 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1066 loops. No longer need to update outer loops if the current one is
1067 found bad. Move some validitiy checks to bfin_discover_loop.
1068 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1069 but changed not to check for nesting. Also changed to use the new bad
1071 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1072 time. Use bitmap based test to discover loop nesting.
1074 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1076 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1079 2006-09-14 Richard Guenther <rguenther@suse.de>
1080 Kazu Hirata <kazu@codesourcery.com>
1082 PR middle-end/28884.
1083 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1084 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1085 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1086 with TARGET_FUNCTION_VALUE.
1088 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1091 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1093 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1095 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1098 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1101 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1104 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1106 * basic_block.h (bb_has_eh_pred): Fix comment.
1108 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1110 * flow.c (calculate_global_regs_live): Invalidate eh registers
1111 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1112 (propagate_block): Handle eh registers as if they were set at basic
1114 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1116 * global.c (global_conflicts): Make eh registers to conflict with
1117 pseudos live at basic block begin.
1118 * basic_block.h (bb_has_eh_pred): New function.
1120 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1122 PR rtl-optimization/28982
1123 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1124 index of a PRE_MODIFY or POST_MODIFY address.
1125 * reload1.c (inc_for_reload): Use find_replacement on the original
1126 base and index registers.
1128 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1130 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1131 for -Os. Update __m128 alignment requirement.
1133 2006-09-13 Jan Hubicka <jh@suse.cz>
1135 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1137 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1139 PR rtl-optimization/28243
1140 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1141 the insn to which the note was originally attached.
1143 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1144 Roger Sayle <roger@eyesopen.com>
1146 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1147 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1148 on platforms that don't use dwarf for debug info.
1150 2006-09-12 Jason Merrill <jason@redhat.com>
1153 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1154 hard_frame_pointer_rtx after using it to update the frame pointer.
1156 2006-09-12 Roger Sayle <roger@eyesopen.com>
1158 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1159 (TARGET_ASM_CLOSE_PAREN): Likewise.
1160 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1161 (TARGET_ASM_CLOSE_PAREN): Likewise.
1163 2006-09-12 Roger Sayle <roger@eyesopen.com>
1166 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1167 frame information for frames larger than 512 Kbytes on Tru64 when
1168 using the native assembler.
1170 2006-09-12 Roger Sayle <roger@eyesopen.com>
1174 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1175 and symbols. Instead use the implementation from cse.c's hash_rtx.
1177 2006-09-12 Jan Hubicka <jh@suse.cz>
1179 PR rtl-optimization/28071
1180 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1181 (vect_transform_loop): Likewise.
1182 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1183 (new_loop_vec_info): Likewise.
1184 (destroy_loop_vec_info): Likewise.
1185 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1186 (create_stmt_ann): Likewise.
1187 (create_tree_ann): Rename to ...
1188 (create_tree_common_ann): ... this one; allocate only the common part
1190 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1191 (get_value_handle): Likewise.
1192 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1193 get_tree_common_ann.
1194 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1195 (vinfo_for_stmt): Use stmt annotations.
1196 * tree-flow.h (tree_ann_common_t): New type.
1197 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1198 (tree_ann, get_tree_ann, create_tree_ann): New.
1199 * tree-flow-inline.h (get_function_ann): Do more type checking.
1200 (stmt_ann): Likewise.
1201 (tree_ann): Rename to ...
1202 (tree_common_ann): ... this one; return ony common_ann
1203 (get_tree_ann): Rename to ...
1204 (tree_common_ann): This one; return only common_ann.
1205 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1208 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1210 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1211 with_cpu by default.
1213 * dwarf2out.c (dwarf_file_data): New.
1214 (enum dw_val_class): Add dw_val_class_file.
1215 (struct dw_val_struct): Add val_file.
1216 (file_table): Change to a hash table.
1217 (file_table_emitted): Delete.
1218 (file_table_last_lookup_index): Delete.
1219 (emitcount): Delete.
1220 (last_emitted_file): New.
1221 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1222 (init_file_table): Delete.
1223 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1224 (AT_addr): Add comment.
1228 (print_die): Handle dw_val_class_file.
1229 (print_dwarf_line_table): Update for new file table structure.
1230 (attr_checksum): Do checksum a filename.
1231 (same_dw_val_p, same_attr_p): Do compare a filename.
1232 (size_of_die): Handle dw_val_class_file.
1233 (value_format): Likewise.
1234 (output_die): Likewise. Also, call maybe_emit_file here.
1235 (struct file_info): Constify filenames. Make file_idx a pointer
1236 to a struct dwarf_file_data.
1237 (struct dir_info): Constify directory names. Remove 'used' field.
1238 (struct file_name_acquire_data): New.
1239 (file_name_acquire): New.
1240 (output_file_names): Modify to handle new file data structures.
1241 (add_src_coords_attributes): Use add_AT_file.
1242 (add_call_src_coords_attributes): Likewise.
1243 (dwarf2out_imported_module_or_decl): Likewise.
1244 (gen_subprogram_die): Modify for new file data structures.
1245 (gen_variable_die): Likewise.
1246 (file_table_eq): New.
1247 (file_table_hash): New.
1248 (file_table_last_lookup): New.
1249 (lookup_filename): Rewrite to handle new file data structures.
1250 (maybe_emit_file): Rewrite to handle new file data structures.
1251 (dwarf2out_source_line): Always call lookup_filename and
1253 (dwarf2out_init): Create file_table here.
1254 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1255 (file_table_relative_p): New.
1256 (dwarf2out_finish): Change detection of relative filenames
1257 to work with new file data structures. Move output_line_info call
1258 after debug_info output.
1260 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1265 * config/i386/i386.c (override_options): Always default to 16
1266 byte stack boundary.
1268 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1271 * var-tracking.c (dump_dataflow_set): Start dumping at
1273 (clobber_variable_part): Kill only the variable part in
1274 registers holding it, leaving other variables alone.
1276 2006-09-11 Josh Triplett <josh@freedesktop.org>
1278 * doc/extend.texi (Other Builtins): Actually use the macro
1279 argument in the documentation example for
1280 __builtin_types_compatible_p.
1282 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1284 PR rtl-optimization/28726
1285 * sched-deps.c (sched_analyze_reg): New function extracted from...
1286 (sched_analyze_1): ...here. Call it to analyze references to
1287 registers. Treat again writes to a stack register as writing to the
1289 (sched_analyze_2): ...and here. Call it to analyze references to
1290 registers. Treat again reads of a stack register as reading the
1293 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1294 David Edelsohn <edelsohn@gnu.org>
1297 * config/rs6000/spe.md (frob_df_di): Remove %H.
1298 (frob_di_df): Remove %H. Change evmergelo to mr.
1299 (frob_di_df_2): Remove %H. Change evldd to two loads.
1301 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1303 * doc/cpp.texi: Fix names of charset options.
1305 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1308 * config/i386/i386.c (override_options): Use 128-bit
1309 stack boundary always for 64bits.
1311 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1313 PR rtl-optimization/28636
1314 * combine.c (force_to_mode): Test for side-effects before
1315 substituting by zero.
1316 (simplify_shift_const): Likewise for zero or other constants.
1318 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1321 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1324 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1327 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1328 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1329 returned by mode_for_size, rather than the mode of src itself,
1330 to choose between 32-bit and 64-bit patterns.
1331 (mips_mem_fits_mode_p): New function.
1332 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1333 that the size of the source matches the size of the destination.
1334 (mov_<store>l, mov_<store>r): Likewise.
1336 2006-09-10 Eric Christopher <echristo@apple.com>
1338 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1341 2006-09-09 Eric Christopher <echristo@apple.com>
1344 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1347 2006-09-09 Roger Sayle <roger@eyesopen.com>
1348 Nicolas Setton <setton@adacore.com>
1350 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1352 2006-09-10 Andreas Schwab <schwab@suse.de>
1354 * config/m68k/m68k.md (bungt_rev): New pattern.
1356 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1357 Dale Johannesen <dalej@apple.com>
1360 * regclass.c (struct reg_pref): Update documentation.
1361 (regclass): Set prefclass to NO_REGS if memory is the best option.
1362 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1364 2006-09-08 Eric Christopher <echristo@apple.com>
1366 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1367 * config/t-slibgcc-darwin: Support x86_64 multilib.
1368 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1369 Return 1 for x86_64-darwin.
1370 * config/i386/t-darwin: Add m64 multilib.
1371 (LIB2_SIDITI_CONV_FUNCS): Use.
1372 (LIB2FUNCS_EXTRA): Ditto.
1373 * config/i386/darwin.h: Support x86_64.
1374 * config/i386/i386.c (override_options): Turn on flag_pic
1375 for x86_64-darwin. Disable flag_omit_pointer.
1376 (get_pc_thunk_name): Assert !TARGET_64BIT.
1377 (legitimate_address_p): Disable machopic addressing for
1379 (legitimize_pic_address): Ditto.
1380 (ix86_expand_move): Ditto.
1381 (ix86_expand_call): Ditto.
1382 (machopic_output_stub): Ditto.
1383 * config/darwin.c (machopic_select_section): Support literal16.
1384 (machopic_select_rtx_section): Ditto.
1385 * config/darwin-sections.def: Ditto.
1386 * config/darwin-64.c: New.
1388 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1391 * c-tree.h (struct c_arg_info): Add pending_sizes.
1392 * c-parser.c (c_parser_parms_declarator,
1393 c_parser_parms_list_declarator): Initialize pending_sizes.
1394 * c-decl.c (get_parm_info): Initialize pending_sizes.
1395 (get_parm_info): Set pending_sizes.
1396 (grokdeclarator): Call put_pending_sizes for parameters for
1397 function definition only.
1399 2006-09-07 Jason Merrill <jason@redhat.com>
1402 * varasm.c (output_constant): Only strip actual no-op conversions.
1405 * config/i386/i386.c (override_options): Use 128-bit
1406 stack boundary if -msse.
1408 2006-09-07 Eric Christopher <echristo@apple.com>
1410 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1412 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1415 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1417 * dwarf2out.c: Remove strange characters from comment above
1418 dwarf2out_frame_debug_expr.
1420 2006-09-07 Eric Christopher <echristo@apple.com>
1422 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1423 * config/darwin.h: ... to here.
1425 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1427 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1429 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1430 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1432 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1433 TARGET_PARTIAL_FLAG_REG_STALL.
1434 (*ashldi3_cconly_rex64): Likewise.
1435 (*ashlsi3_cmp): Likewise.
1436 (*ashlsi3_cconly): Likewise.
1437 (*ashlsi3_cmp_zext): Likewise.
1438 (*ashlhi3_cmp): Likewise.
1439 (*ashlhi3_cconly): Likewise.
1440 (*ashlqi3_cmp): Likewise.
1441 (*ashlqi3_cconly): Likewise.
1442 (*ashrdi3_cmp_rex64): Likewise.
1443 (*ashrdi3_cconly_rex64): Likewise.
1444 (*ashrsi3_cmp): Likewise.
1445 (*ashrsi3_cconly): Likewise.
1446 (*ashrsi3_cmp_zext): Likewise.
1447 (*ashrhi3_cmp): Likewise.
1448 (*ashrhi3_cconly): Likewise.
1449 (*ashrqi3_cmp): Likewise.
1450 (*ashrqi3_cconly): Likewise.
1451 (*lshrdi3_cmp_rex64): Likewise.
1452 (*lshrdi3_cconly_rex64): Likewise.
1453 (*lshrsi3_cmp): Likewise.
1454 (*lshrsi3_cconly): Likewise.
1455 (*lshrsi3_cmp_zext): Likewise.
1456 (*lshrhi3_cmp): Likewise.
1457 (*lshrhi3_cconly): Likewise.
1458 (*lshrqi2_cmp): Likewise.
1459 (*lshrqi2_cconly): Likewise.
1461 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1464 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1465 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1466 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1467 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1468 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1469 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1470 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1471 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1472 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1473 implement only CC setting effects of shift instructions.
1475 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1477 * doc/contrib.texi: Add myself.
1479 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1482 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1483 was set by the user.
1485 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1488 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1489 (divsi_inv_m1): Use them.
1490 (UNSPEC_DIV_INV_TABLE): New constant.
1492 2006-09-06 James E Wilson <wilson@specifix.com>
1495 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1496 then call count_or_remove_death_notes.
1498 2006-09-06 Jason Merrill <jason@redhat.com>
1501 * tree-inline.c (copy_result_decl_to_var): New fn.
1502 (declare_return_variable): Use it. Call declare_inline_vars here.
1503 (expand_call_inline): Not here.
1505 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1507 * doc/contrib.texi: Update my entry.
1509 2006-09-06 Nick Clifton <nickc@redhat.com>
1511 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1513 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1516 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1517 (canonicalize_induction_variables): Likewise.
1518 (tree_unroll_loops_completely): Likewise.
1519 (tree_ssa_prefetch_arrays): Likewise.
1520 (remove_empty_loops): Likewise.
1521 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1522 TODO_cleanup_cfg instead of directly calling
1523 cleanup_tree_cfg_loop.
1524 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1526 (tree_unroll_loops_completely): Likewise.
1527 (remove_empty_loops): Likewise.
1528 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1529 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1530 of tree_ssa_unswitch_loops.
1531 (tree_ssa_loop_ivcanon): Use the return value of
1532 canonicalize_induction_variables.
1533 (tree_ssa_empty_loop): Use the return value of
1535 (tree_complete_unroll): Use the return value of
1536 tree_unroll_loops_completely.
1537 (tree_ssa_loop_prefetch): Use the return value of
1538 tree_ssa_prefetch_arrays.
1539 * passes.c (execute_todo): Before Cleanup CFG, set
1540 updating_used_alone and after cleanup CFG, call
1541 recalculate_used_alone.
1543 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1546 * tree-vect-transform.c (vectorizable_condition): Move the check
1547 for the type after the check for simple condition.
1549 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1550 Kaz Kojima <kkojima@gcc.gnu.org>
1553 * mode-switching.c (optimize_mode_switching): Make the destination
1554 block of an abnormal edge have no anticipatable mode. Don't
1555 insert mode switching code at the end of the source block of
1558 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1560 PR rtl-optimization/26847
1561 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1562 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1563 (simplify_plus_minus): Count n_constants while filling ops. Replace
1564 qsort with insertion sort. Before going through the array to simplify
1565 pairs, sort it. Delay early exit until after the first sort, exiting
1566 only if no swaps occurred. Simplify pairs in reversed order, without
1567 special-casing the first iteration. Pack ops after simplifying pairs.
1569 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1571 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1572 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1573 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1574 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1576 2006-09-05 Richard Guenther <rguenther@suse.de>
1578 PR tree-optimization/28900
1579 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1580 compound conditional before creating COND_EXPR condition.
1582 2006-09-05 Richard Guenther <rguenther@suse.de>
1584 PR tree-optimization/28905
1585 * tree-vrp.c (fix_equivalence_set): Manually implement
1586 !value_ranges_intersect_p to also handle symbolic ranges.
1588 2006-09-05 Richard Guenther <rguenther@suse.de>
1591 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1594 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1596 PR rtl-optimization/27616
1597 * cse.c (table_size): New static variable.
1598 (new_basic_block): Initialize it to 0.
1599 (remove_from_table): Decrement it.
1600 (insert): Increment it.
1601 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1602 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1603 fold_rtx_mem_1 if under the cap.
1604 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1605 the lookup of the equivalent expression and test for equality of the
1606 first operand of the equivalent expression before in turn looking up
1607 an equivalent constant for the second operand.
1609 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1612 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1613 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1614 pointer, instead of assuming it is possible to derive the
1615 correct args size from a call insn.
1617 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1620 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1621 (fold_builtin_mempcpy): Rename to...
1622 (fold_builtin_memory_op): ... this. Optimize one element copy
1624 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1626 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1627 (expand_builtin_memcpy, expand_builtin_mempcpy,
1628 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1629 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1630 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1631 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1633 2006-09-01 DJ Delorie <dj@redhat.com>
1635 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1636 (stzx_16): Likewise.
1637 ("stzx_24_<mode>"): Likewise.
1638 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1639 ("cmp<mode>_op"): New.
1640 (cmp<mode>): Change to expander; just save operands.
1642 (b<code>): Change to expander, emit compare here.
1643 (s<code>_op): Change to use split and expander.
1644 (s<code>_24_op): Likewise.
1645 (s<code>_<mode>): New.
1646 (s<code>_<mode>_24): New.
1647 (movqicc_<code>_<mode): New.
1648 (movhicc_<code>_<mode>): New.
1651 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1652 (m32c_pend_compare): New.
1653 (m32c_unpend_compare): New.
1654 (m32c_expand_scc): New.
1655 (m32c_expand_movcc): Emit the compare also.
1656 * config/m32c/predicates.md (mra_nopp_operand): New.
1658 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1659 Richard Guenther <rguenther@suse.de>
1660 Adam Nemet <anemet@caviumnetworks.com>
1663 * builtins.c (get_pointer_alignment): Handle more forms
1664 of base addresses that can be used to derive more precise
1665 information about alignment.
1667 2006-09-01 Jason Merrill <jason@redhat.com>
1670 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1673 * gimplify.c (voidify_wrapper_expr): Handle null type.
1675 2006-09-01 Josh Conner <jconner@apple.com>
1678 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1679 (execute_return_slot_opt): Use it.
1681 2006-08-31 Josh Conner <jconner@apple.com>
1684 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1685 returning aggregates.
1687 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1689 PR tree-optimization/28839
1690 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1691 blocks in that phi arguments appear.
1693 2006-08-31 Roger Sayle <roger@eyesopen.com>
1696 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1697 NULL, otherwise use an advance_loc4 to adjust relative to the
1699 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1700 (dwarf2out_switch_text_section): Reset the current label to avoid
1701 using advance_loc4 over section boundaries.
1703 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1706 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1707 r12 + SYMBOLIC_CONST.
1709 2006-08-30 Richard Guenther <rguenther@suse.de>
1711 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1713 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1715 PR rtl-optimization/27735
1716 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1717 Add new argument to keep track of whether an irreducible region
1718 was affected. All callers changed.
1719 (fix_irreducible_loops): Removed.
1720 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1721 flags were invalidated.
1723 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1725 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1726 instead of SF operands.
1727 (*fop_df_comm_sse): Likewise.
1728 (*fop_df_comm_i387): Likewise.
1729 (*fop_df_1_mixed): Likewise.
1730 (*fop_df_1_sse): Likewise.
1732 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1733 J"orn Rennecke <joern.rennecke@st.com>
1735 PR tree-optimization/17506
1736 * tree-ssa.c (warn_uninit): If warning about a location outside of
1737 the current function, note where the variable was declared.
1739 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1741 PR tree-optimization/28411
1742 * double-int.c (double_int_div): Use double_int_divmod.
1743 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1744 double_int_mod, double_int_smod, double_int_umod): New functions.
1745 * double-int.h (double_int_divmod, double_int_sdivmod,
1746 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1748 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1750 (get_computation_aff, get_computation_cost_at): Handle double_int
1751 return type of constant_multiple_of.
1753 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1756 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1757 an implicit conversion.
1759 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1761 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1763 2006-08-27 Roger Sayle <roger@eyesopen.com>
1765 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1768 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1770 * config/i386/crtfastmath.c: Fix a comment typo.
1772 2006-08-26 Roger Sayle <roger@eyesopen.com>
1774 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1775 temporary visit flags on CASE_LABEL_EXPRs.
1776 * c-common.c (match_case_to_enum): Add function comment. Avoid
1777 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1778 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1779 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1780 a constant, only warn if that constant value isn't handled.
1782 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1785 * input.h (restore_input_file_stack): Declare.
1786 (INPUT_FILE_STACK_BITS): Define.
1787 * toplev.c (fs_p, input_file_stack_history,
1788 input_file_stack_restored, restore_input_file_stack): New.
1789 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1790 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1791 (pop_srcloc): Don't free old state of stack.
1793 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1796 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1797 (PowerPC Type Attributes): New.
1799 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1801 * config/xtensa/xtensa.c (function_arg_boundary): New.
1802 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1804 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1805 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1807 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1810 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1813 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1815 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1816 (verify_local_live_at_start): Likewise.
1818 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1821 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1822 omp_add_variable): Treat sizes as variable whenever not
1825 2006-08-26 Richard Guenther <rguenther@suse.de>
1828 * fold-const.c (fold_binary): Fold temporary to correct
1829 type before constructing new comparison.
1831 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1834 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1835 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1837 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1840 * c-decl.c (start_function): Don't try to process prototype
1841 information from old declaration that isn't a function.
1843 2006-08-25 Jan Hubicka <jh@suse.cz>
1846 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1848 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1851 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1854 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1856 PR tree-optimization/16876
1857 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1858 exit if PARM doesn't match VALUE.
1860 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1862 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1863 literal_prefix directive.
1864 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1865 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1866 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1868 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1871 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1872 predicate to general_operand. Add 0->y and I->r alternatives.
1874 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1876 * doc/tm.texi: Fix a typo.
1877 * predict.c: Fix comment typos.
1879 2006-08-25 Nick Clifton <nickc@redhat.com>
1881 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1882 assertions of "cpu" and "machine".
1884 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1887 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1888 the access through a base which has an alias set of 0 cannot
1891 2006-08-24 Bill Wendling <wendling@apple.com>
1893 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1895 2006-08-24 Jan Hubicka <jh@suse.cz>
1897 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1899 2006-08-24 Jan Hubicka <jh@suse.cz>
1902 * cgraph.c: Fix comments.
1903 (cgraph_varpool_mark_needed_node): Mark only variables not already
1905 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1906 (cgraph_varpool_assembled_nodes_queue): New static variable.
1907 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1908 (cgraph_varpool_output_debug_info): New function.
1909 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1910 * Makefile.in: Add gt-cgraphunit.h
1912 2006-08-24 Jan Hubicka <jh@suse.cz>
1914 * predict.c (probability_reliable_p): New predicate.
1915 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1916 (predict_loops): Do not predict loop exit with less than 2%
1918 * basic-block.h (edge_probability_reliable_p,
1919 br_prob_note_reliable_p): Declare.
1920 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1921 prediction when static predictor is not reliable.
1922 * rs6000.c (output_cbranch): Likewise.
1924 2006-08-23 Stuart Hastings <stuart@apple.com>
1927 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1928 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1930 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1933 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1934 complex values, nor for generic vector values.
1936 2006-08-22 Richard Guenther <rguenther@suse.de>
1939 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1940 parameter. Convert arguments to arithmetic expression to the
1942 (analyze_scalar_evolution_1): Adjust caller.
1944 2006-08-22 Jan Hubicka <jh@suse.cz>
1946 Patch by Paolo Bonzini
1947 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1950 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1952 PR tree-optimization/28003
1953 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1954 before grouping aliases.
1956 2006-08-22 Roger Sayle <roger@eyesopen.com>
1958 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1959 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1961 2006-08-21 Jason Merrill <jason@redhat.com>
1964 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1965 wrapper. Loop to handle nested wrappers.
1966 (gimplify_bind_expr): Remove temp parameter.
1967 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1968 and STATEMENT_LIST on the rhs.
1969 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1970 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1971 (gimplify_target_expr): Remove special BIND_EXPR handling.
1973 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1975 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1978 2006-08-21 Olivier Hainque <hainque@adacore.com>
1980 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1981 Arrange for the temporary captures of components overlapping the lhs
1982 to happen before the lhs is possibly cleared.
1984 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1986 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1987 necessary places to pass the correct "number of registers" values
1990 2006-08-20 Jan Hubicka <jh@suse.cz>
1992 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1993 (create_name_tags): Instead of quadratic checking use hashtable.
1994 * bitmap.h: Include hashtab.h.
1995 (bitmap_hash): Declare.
1996 * bitmap.c (bitmap_hash): New function.
1998 2006-08-20 Jan Hubicka <jh@suse.cz>
2000 PR rtl-optimization/28071
2001 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2003 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2004 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2005 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2006 cgraph_decide_inlining_incrementally): Update use of
2007 cgraph_check_inline_limits.
2008 * cgraph.c (edge_hash, edge_eq): New function.
2009 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2010 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2011 cgraph_remove_node): Maintain call site hash.
2012 * cgraph.h (struct cgraph_node): Add call_site_hash.
2013 (cgraph_set_call_stmt): New function.
2015 2006-08-20 Jan Hubicka <jh@suse.cz>
2017 PR rtl-optimization/28071
2018 * reload1.c (reg_has_output_reload): Turn into regset.
2019 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2020 choose_reload_regs, emit_reload_insns): Update to new
2021 reg_has_output_reload.
2023 2006-08-20 Jan Hubicka <jh@suse.cz>
2026 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2027 function body sizes.
2028 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2030 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2033 * tree.c (handle_dll_attribute): Return early if not a
2034 var or function decl.
2036 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2039 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2040 alignment of SPE vector types.
2042 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2044 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2046 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2049 * cgraph.h (struct cgraph_node): Remove externally_visible
2051 * cgraphunit.c (process_function_and_variable_attributes): Set
2052 local.externally_visible rather than externally_visible.
2055 * c-common.c (handle_externally_visible_attribute): First look
2056 at TREE_CODE and only if it is function or var decl, check for
2057 non-public objects. Don't warn for DECL_EXTERNAL.
2058 * cgraphunit.c (process_function_and_variable_attributes): Warn
2059 if externally_visible attribute is used on non-public object.
2061 2006-08-17 Jan Hubicka <jh@suse.cz>
2063 PR tree-optimization/27865
2064 * reload1.c (forget_marked_reloads): New function.
2065 (forget_old_reloads_1): When data are passed, just mark the registers
2067 (reload_as_needed): Use the new mechanizm.
2069 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2072 * reload.h (reg_equiv_alt_mem_list): New declaration.
2073 * reload1.c (reg_equiv_alt_mem_list): New definition.
2074 (reload): Initialize it and release it.
2075 (delete_output_reload): Use it.
2076 * reload.c (push_reg_equiv_alt_mem): New function.
2077 (find_reloads_toplev): Call it.
2078 (find_reloads_address, find_reloads_address_1): Likewise.
2079 (find_reloads_subreg_address): Likewise.
2081 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2083 PR rtl-optimization/28489
2084 * sched-ebb.c (begin_schedule_ready): Create basic block
2086 (advance_target_bb): Skip empty blocks.
2087 * haifa-sched.c (bb_note): Make global.
2088 * sched-int.h (bb_note): Add prototype.
2090 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2092 PR tree-optimization/27865
2093 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2095 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2096 fold_used_pointer, pointer_used_p): New functions.
2097 (analyze_scalar_evolution_1): Use fold_used_pointer.
2098 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2099 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2102 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2105 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2106 or the INTEGER_CST. Fail on a CALL_EXPR.
2107 (fold_offsetof): Pass new argument to fold_offsetof_1.
2108 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2109 operand into an INDIRECT_REF.
2110 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2112 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2114 PR gcov/profile/26570
2115 * value-prof.c (static_values): Removed.
2116 (tree_find_values_to_profile): Do not set static_values.
2117 (find_values_to_profile): Do not free static_values.
2118 * profile.c (instrument_values): Do not free the values.
2119 (branch_prob): Free the values.
2121 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2123 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2125 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2128 * c-typeck.c (build_component_ref): Combine qualifiers of
2129 structure or union and field.
2131 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2133 PR rtl-optimization/28071
2134 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2135 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2136 * tree-into-ssa.c (struct dom_dfsnum): New.
2137 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2139 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2140 compute_global_livein.
2141 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2142 in phi nodes in the correct blocks.
2144 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2146 PR tree-optimization/28364
2147 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2149 (fold_affine_expr): New function.
2150 (may_eliminate_iv): Use fold_affine_expr.
2152 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2155 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2158 2006-08-16 Mike Stump <mrs@apple.com>
2160 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2161 * doc/cppopts.texi (-MD): Likewise.
2163 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2166 * c-common.c (handle_weak_attribute): Ignore and warn if
2167 not a FUNCTION_ or VAR_DECL.
2169 2006-07-15 Mike Stump <mrs@apple.com>
2172 * c-parser.c (c_parser_typeof_specifier): Don't use
2173 c_finish_expr_stmt, open code desired semantics instead.
2175 2006-08-15 Nick Clifton <nickc@redhat.com>
2177 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2178 fragment to tmake_file only if threads are enabled.
2179 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2180 * config/i386/t-gthr-win32: New file. ... here.
2182 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2185 * c-parser.c (c_parser_compound_statement_nostart): Reset
2186 parser->error after each statement.
2188 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2191 * omp-low.c (lower_omp_parallel): Convert t to
2192 receiver_decl's type.
2193 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2194 source before comparison.
2197 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2198 to itype in assignment to oldival2.
2200 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2204 * c-typeck.c (build_compound_expr): If the second expression
2205 is an error mark, then just return an error mark instead of
2206 creating a COMPOUND_EXPR.
2208 2006-07-14 Mike Stump <mrs@apple.com>
2210 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2212 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2214 * c-decl.c, var-tracking.c: Fix comment typos.
2216 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2218 PR rtl-optimization/28634
2219 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2220 for floating-point modes unless flag_unsafe_math_optimizations.
2222 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2223 Andrew Pinski <pinskia@physics.uc.edu>
2226 * tree.c (build_array_type): Unify array types with
2227 unspecified index_type.
2228 * c-decl.c (grokdeclarator): Make sure we do not modify a
2229 unified incomplete array type.
2230 * c-typeck.c (store_init_value): Create distinct type before
2231 filling in the index type in an initializer from a compound
2234 * c-decl.c (grokdeclarator): Remove code where we copy the
2237 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2239 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2240 into account for TODO_dump_cgraph.
2241 (TODO_update_ssa_no_phi): Likewise.
2242 (TODO_update_ssa_full_phi): Likewise.
2243 (TODO_update_ssa_only_virtuals): Likewise.
2244 (TODO_remove_unused_locals): Likewise.
2245 (TODO_set_props): Likewise.
2246 (TODO_update_stmt_usage): Likewise.
2248 2006-08-13 Dirk Mueller <dmueller@suse.de>
2250 * c-common.c (strict_aliasing_warning): Fix formatting.
2252 2006-08-13 Matthias Klose <doko@debian.org>
2254 * doc/invoke.texi: Fix spelling errors.
2256 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2258 PR rtl-optimization/23454
2259 * reorg.c (relax_delay_slots): Update comment.
2261 2006-08-11 Richard Guenther <rguenther@suse.de>
2264 * simplify-rtx.c (simplify_const_relational_operation):
2265 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2268 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2270 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2271 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2273 2006-08-10 Paul Brook <paul@codesourcery.com>
2275 * final.c (final_scan_insn): Clear current_insn_predicate before
2276 outputting inline asm.
2278 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2280 PR tree-optimization/26197
2281 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2282 get_ref_base_and_extent and overlap_subvar to add only relevant
2283 subvars as may-aliases.
2284 (add_may_alias_for_new_tag): New function, factored out of
2286 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2287 with additional argument.
2288 * tree-flow.h (new_type_alias): Takes additional argument.
2290 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2292 * gcov.c (no_data_file): New flag.
2293 (read_count_file): Set it if data file not present. Assume counts
2295 (output_lines): Don't name the data file, if there wasn't one.
2297 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2299 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2300 (rs6000_generate_compare): Tweak comments.
2301 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2303 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2305 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2306 (var_debug_decl): New function.
2307 (var_reg_set): Follow debug decl link. Add location even if
2308 reg is already known to hold some other variable.
2309 (var_mem_set): Follow debug decl link.
2310 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2311 decl link. Delete other known locations of the variable part
2313 (var_reg_delete, var_mem_delete): Delete other known locations
2314 of the variable part if requested.
2315 (same_variable_part_p): New function.
2316 (add_stores): Select MO_COPY when appropriate.
2317 (vt_initialize): Handle it.
2318 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2319 known locations for MO_SET and MO_CLOBBER.
2320 (find_variable_location_part): New function.
2321 (set_variable_part, delete_variable_part): Use it.
2322 (clobber_variable_part): New function.
2323 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2326 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2328 PR tree-optimization/26969
2329 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2330 with an empty list of PHIs.
2332 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2336 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2339 2006-08-06 Andreas Schwab <schwab@suse.de>
2341 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2342 string. Whitespace and comment fixup.
2344 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2347 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2351 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2354 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2356 2006-08-04 Jan Hubicka <jh@suse.cz>
2360 * reload.c (push_reload): Patch out the mismatching instruction;
2362 (find_reload): Bail out if the instruction was patched out.
2364 2006-08-04 Jan Hubicka <jh@suse.cz>
2366 PR tree-optimization/24888
2367 * tree-inline.c (expand_call_inline): Do not re-record variables.
2368 (declare_inline_vars): Add variable to unexpanded_var_list.
2370 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2371 Roger Sayle <roger@eyesopen.com>
2373 PR rtl-optimization/26244
2374 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2375 inner_const are negative or greater than or equal to the bitsize of
2376 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2377 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2378 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2379 CONST0_RTX (mode) when the new shift count is greater than or equal to
2380 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2383 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2385 * tree-cfg.c: Fix a comment typo.
2387 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2390 * varasm.c (output_constant): Give the front end another chance to
2391 expand constants, after stripping NOPs.
2393 2006-08-03 Jan Hubicka <jh@suse.cz>
2395 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2398 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2400 PR tree-optimization/27770
2401 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2402 declaration removed (moved to tree-flow.h).
2403 (vect_can_force_dr_alignment_p): Likewise.
2404 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2405 (moved from tree-vectorizer.h).
2406 (vect_can_force_dr_alignment_p): Likewise.
2407 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2408 from outside the vectorizer - in particular from cgraph stage.
2409 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2410 the alignment of global arrays when -fsection-anchors is enabled.
2411 * cgraphunit.c (cgraph_increase_alignment): New function.
2412 (cgraph_optimize): Call cgraph_increase_alignment.
2414 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2417 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2418 not reload a SPE symbol_ref into a lo_sum address.
2420 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2423 * dwarf2out.c (prune_unused_types_prune): Move call to
2424 prune_unused_types_update_strings to cover the parent DIE also.
2426 2006-08-02 Jan Hubicka <jh@suse.cz>
2428 PR gcov/profile/28480
2429 * tree-cfg.c (change_bb_for_stmt): New function.
2430 (tree_merge_blocks, tree_split_blocks): Use it.
2432 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2438 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2439 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2440 (cgraph_optimize): Likewise.
2442 2006-08-01 Stuart Hastings <stuart@apple.com>
2444 * rtl.h (UINTVAL) New.
2445 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2446 * testsuite/gcc.dg/20060801-1.c: New.
2448 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2451 * c-typeck.c (build_external_type): Mark used enum types.
2452 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2454 (gen_subprogram_die): Whitespace fix.
2456 2006-08-01 Jan Hubicka <jh@suse.cz>
2458 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2459 bitmap when not needed.
2460 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2463 2006-08-01 Dirk Mueller <dmueller@suse.de>
2465 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2467 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2469 * Makefile.in: Revert part of previous patch:
2470 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2473 2006-07-30 Eric Christopher <echristo@apple.com>
2476 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2477 (PowerPC Variable Attributes): New section.
2479 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2481 PR target/28126 (partial fix)
2482 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2484 2006-07-28 Jan Hubicka <jh@suse.cz>
2486 PR rtl-optimization/28071
2487 * cfgrtl.c (rtl_delete_block): Free regsets.
2488 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2490 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2492 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2493 and variables used in dependencies.
2495 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2497 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2498 %fs for -mcmodel=kernel.
2499 (stack_tls_protect_test_di): Likewise.
2501 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2503 * Makefile.in: Use mkinstalldirs.
2505 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2508 * opts-common.c (prune_options): Skip joined switches.
2510 2006-07-27 Jan Hubicka <jh@suse.cz>
2512 PR rtl-optimization/28071
2513 * cselib.c (cselib_process_insn): Don't remove useless values too
2514 often for very large hashtables.
2516 2006-07-27 Jan Hubicka <jh@suse.cz>
2518 PR rtl-optimization/28071
2519 * global.c (greg_obstack): New obstack.
2520 (allocate_bb_info): Use it.
2521 (free_bb_info): Likewise.
2522 (modify_reg_pav): Likewise.
2524 2006-07-27 Roger Sayle <roger@eyesopen.com>
2526 * builtins.c (fold_fixed_mathfn): When long and long long are the
2527 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2528 functions to their lceil*, lfloor*, lround* and lrint* forms.
2530 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2533 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2535 (rev_branch_insn): Likewise.
2537 2006-07-27 Jan Hubicka <jh@suse.cz>
2539 PR rtl-optimization/28071
2540 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2541 (reg_set_in_bb, max_reg_computed): New static variables.
2542 (regmove_optimize): Free the new array.
2543 (fixup_match_1): Update call of reg_is_remote_constant_p.
2545 2006-07-26 Jan Hubicka <jh@suse.cz>
2547 PR tree-optimization/27882
2548 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2550 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2552 (cgraph_analyze_compilation_unit): Likewise.
2553 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2554 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2555 (cgraph_early_inlinine): Make order garbage collected.
2556 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2558 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2560 * dbxout.c (output_types_sort): Add a comment.
2561 (output_used_types): Free the VEC.
2563 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2565 * function.c (reorder_fix_fragments): Delete.
2566 (reorder_blocks): Don't call it.
2567 (reorder_blocks_1): Put all subblocks under the origin block.
2569 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2571 PR rtl-optimization/27907
2572 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2575 2006-07-25 Roger Sayle <roger@eyesopen.com>
2578 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2579 bar(x) check that bar's result type can represent all the values of T.
2581 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2583 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2585 2006-07-25 Nick Clifton <nickc@redhat.com>
2587 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2588 size_lookup[] array.
2589 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2590 (ggc_pch_count_object): Likewise.
2591 (ggc_pch_alloc_object): Likewise.
2592 (ggc_pch_write_object): Likewise.
2593 (init_ggc): Do not attempt to initialize entries in the
2594 size_lookup[] array for objects whose size is greater than than
2595 the length of the array.
2597 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2599 * dbxout.c (output_used_types_helper): Push queued types
2601 (output_types_sort): New.
2602 (output_used_types): Collect used types on a VEC and sort them
2605 2006-07-24 Richard Guenther <rguenther@suse.de>
2608 * cgraph.c (cgraph_remove_node): Do not check if dumps
2610 * cgraphunit.c (cgraph_optimize): Likewise.
2612 2006-07-24 Jan Hubicka <jh@suse.cz>
2614 PR rtl-optimization/28071
2615 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2616 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2617 splitting before first stmt.
2619 2006-07-24 Jan Hubicka <jh@suse.cz>
2621 PR rtl-optimization/28071
2622 * ipa-inline.c (update_caller_keys): Remove edges that
2623 are no longer inline candidates.
2625 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2628 * dbxout.c (output_used_types_helper, output_used_types): New.
2629 (dbxout_symbol): Call output_used_types.
2631 2006-07-23 Jan Hubicka <jh@suse.cz>
2635 * cgraph.c (cgraph_varpool_nodes): Export.
2636 (decide_is_variable_needed): Ignored "used" attribute in
2637 unit-at-a-time mode.
2638 * cgraph.h (cgraph_varpool_nodes): Declare.
2639 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2640 unit-at-a-time mode.
2642 2006-07-23 Roger Sayle <roger@eyesopen.com>
2645 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2646 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2647 the __gthrw form of thr_keycreate.
2648 (__gthread_key_delete): Silence the unused argument warning.
2650 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2653 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2654 Cache the last found '\0' marker to avoid quadratic behavior.
2656 2006-07-23 Jan Hubicka <jh@suse.cz>
2658 * i386.md (subsi_3_zext): Fix output template.
2660 2006-07-21 Mike Stump <mrs@apple.com>
2662 * doc/invoke.texi (C++ Dialect Options): Note that
2663 -fvisibility-inlines-hidden doesn't affect explicitly
2664 instantiationed inline methods.
2666 2006-07-20 Roger Sayle <roger@eyesopen.com>
2668 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2669 if the target assembler is GNU binutils' gas.
2670 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2671 whether to pass GNU gas or native as command line options.
2673 2006-07-20 Jason Merrill <jason@redhat.com>
2675 * tree.c (remove_attribute): New fn.
2676 * tree.h: Declare it.
2678 2006-07-20 Paul Brook <paul@codesourcery.com>
2681 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2682 they are invalidated by this instruction.
2684 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2687 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2689 2006-07-20 Eric Christopher <echristo@apple.com>
2692 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2694 2006-07-19 Eric Christopher <echristo@apple.com>
2696 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2697 Rewrite dependencies for libgcc_s.1.dylib.
2699 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2701 * except.c (duplicate_eh_regions_1): Clear next_peer.
2703 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2705 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2706 -mlongcall does not guarantee all calls will be long.
2707 * doc/extend.texi (long_call/short_call): Document that longcall
2708 does not guarantee a long call will be used.
2709 (longcall/shortcall): Likewise.
2711 2006-07-18 Roger Sayle <roger@eyesopen.com>
2714 * expmed.c (expand_shift): Additionally check that the shift_cost
2715 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2716 before implementing a LSHIFT_EXPR as a sequence of additions.
2717 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2718 middle-end that DImode shifts need to be synthesized by expand.
2720 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2723 * tree-ssa-operands.c (access_can_touch_variable): Update
2725 Return true if ALIAS is .GLOBAL_VAR.
2727 2006-07-18 David Daney <ddaney@avtrex.com>
2729 * gcc.c (display_help): Fix typo in help text.
2731 2006-07-18 Olivier Hainque <hainque@adacore.com>
2733 * tree.h (categorize_ctor_elements): Adjust prototype and add
2734 descriptive comment, both in accordance with the interface change
2736 * varasm.c (constructor_static_from_elts_p): New function.
2737 Whether a constructor node is a valid static constant initializer
2738 if all its elements are.
2739 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2740 * output.h: Declare it.
2741 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2742 is a valid constant initializer instead of computing the number of
2743 non-constant elements. Use constructor_static_from_elts_p for this
2744 purpose. Replace the head comment with an indication that this is a
2745 helper for categorize_ctor_elements.
2746 (categorize_ctor_elements): Same interface change as for the _1
2747 helper. Former head comment from this helper moved here, adjusted to
2748 account for the interface changes.
2749 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2750 (all_zeros_p): Likewise.
2751 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2752 static versions of the constructor from the categorize_ctor_elements
2753 return value instead of the formerly computed number of non-constant
2756 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2758 * configure: Regenerate.
2759 * Makefile.in (build_libsubdir): New configure substitution
2760 (build_libobjdir): New variable.
2761 (BUILD_LIBIBERTY): Use it.
2763 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2766 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2768 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2771 * c-common.c (handle_weakref_attribute): Ignore attribute in
2772 the same conditions the alias attribute is ignored.
2774 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2776 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2777 (dbxout_begin_prologue): Increment scope_labelno.
2779 2006-07-17 Richard Henderson <rth@redhat.com>
2782 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2785 2006-07-17 Roger Sayle <roger@eyesopen.com>
2786 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2788 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2789 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2790 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2791 functions such as sbrk, write, etc.. Add function prototypes.
2792 Convert function declarations from K&R to ISO C. Cast pointers
2793 to "long" and "unsigned long" instead of "int" and "unsigned int".
2794 Convert tokens following #endif into comments.
2796 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2798 * invoke.texi: Remove mention of f77; Reformat table for
2799 inline parameter options correctly; mention that -malign-double
2800 is default on x86-64 targets.
2802 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2804 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2805 (convert_affine_scev, chrec_convert_aggressive): Use
2806 avoid_arithmetics_in_type_p. Do not check for the subtypes
2809 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2812 * optabs.c (expand_doubleword_shift): Wrap the call to
2813 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2815 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2818 * optabs.c (expand_binop): Pass next_methods rather than methods
2819 to expand_doubleword_shift.
2821 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2824 * tree.h (dump_addr): Declare.
2825 * print-tree.c (dump_addr): New function.
2826 (print_node_brief, print_node): Use it.
2827 * print-rtl.c (print_rtx): Likewise.
2828 * common.opt (-fdump-noaddr): New option.
2829 * doc/invoke.texi (-fdump-noaddr): Document.
2830 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2831 (ve_info_hash): Likewise.
2833 2006-07-13 Andrew Haley <aph@redhat.com>
2835 PR tree-optimization/19505
2836 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2837 edge leaving this block, make sure that the destination of this
2838 block has only one predecessor.
2840 2006-07-17 Richard Guenther <rguenther@suse.de>
2842 PR tree-optimization/28238
2843 * tree-inline.c (copy_bb): Check if we produced valid
2844 gimple copying and substituting a stmt. If not, gimplify
2847 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2849 * optabs.c (maybe_encapsulate_block): New function extracted from...
2850 (emit_libcall_block): ...here. Invoke it on the block of insns to
2851 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2852 (emit_no_conflict_block): Likewise.
2854 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2856 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2858 2006-07-15 Roger Sayle <roger@eyesopen.com>
2860 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2861 a new NOP_EXPR case of the switch statement.
2863 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2866 * stor-layout.c (place_field): Take the bit field with
2867 an excessive size into account in the ms-bitfiled case.
2870 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2871 the previous bit field.
2873 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2876 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2878 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2880 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2881 signal frames correctly even when the signal was installed with
2884 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2886 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2887 (dbxout_function_end): Use local label LFBB. Remove hook
2889 (dbxout_source_line): Use local label LFBB.
2890 (dbxout_block): Likewise.
2891 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2892 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2893 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2894 and DBX_OUTPUT_NFUN.
2896 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2898 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2900 2006-07-13 Jan Hubicka <jh@suse.cz>
2902 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2904 * output.h (align_variable): Declare.
2905 * varasm.c (align_variable): Export.
2906 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2907 when basic block changed.
2909 2006-07-13 Nick Clifton <nickc@redhat.com>
2911 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2912 walking the LOG_LINKS chain.
2914 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2916 * doc/invoke.texi (C++ Dialect Options): Explain difference
2917 between -fvisibility-inlines-hidden and setting hidden
2918 visibility explicitly.
2920 2006-07-12 Eric Christopher <echristo@apple.com>
2922 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2923 (stmp-lipo): Depend on libgcc.a.
2925 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2927 * tree.c: Fix a comment typo.
2929 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2931 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2933 (umulhisi3_r): Likewise.
2935 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2938 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2939 x < 19, vs wchar_t support.
2941 2006-07-12 Nick Clifton <nickc@redhat.com>
2943 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2944 instead of -isa=sh4.
2946 2006-07-12 Mike Stump <mrs@apple.com>
2948 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2950 2006-07-10 Eric Christopher <echristo@apple.com>
2952 * config/t-slibgcc-darwin: Rewrite.
2954 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2957 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2960 2006-07-08 Matthias Klose <doko@debian.org>
2962 * doc/sourcebuild.texi: Fix typo.
2964 2006-07-07 Mike Stump <mrs@apple.com>
2966 * toplev.c (process_options): Don't give -ffunction-sections may
2967 affect debugging warning for Mach-O.
2969 2006-07-07 James E Wilson <wilson@specifix.com>
2971 * config/mips/mips.md (cpu): Add sb1a.
2972 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2973 addition to sb1. Adjust comments to clarify SB-1A differences from
2975 (ir_sb1a_load): New. Modify bypasses to use it.
2976 (ir_sb1a_simple_alu): Likewise.
2977 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2978 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2979 (mips_issue_rate): Add PROCESSOR_SB1A.
2980 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2981 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2982 (TARGET_SB1): Add PROCESSOR_SB1A check.
2983 (TUNE_SB1): Likewise.
2985 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2986 * config/mips/mips.c (mips_store_data_bypass_p): New.
2987 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2988 store_data_bypass_p.
2990 2006-07-08 Paul Brook <paul@codesourcery.com>
2993 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2995 2006-07-07 Richard Guenther <rguenther@suse.de>
2998 * tree.h (build_one_cst): Declare.
2999 * tree.c (build_one_cst): New function.
3000 * tree-ssa-math-opts.c (get_constant_one): Remove.
3001 (insert_reciprocals): Use build_one_cst.
3002 * fold-const.c (fold_plusminus_mult): Likewise.
3004 2006-07-07 Roger Sayle <roger@eyesopen.com>
3006 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3007 * cfgloopanal.c (dump_graph): Likewise.
3008 * dojump.c (discard_pending_stack_adjust): Likewise.
3009 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3011 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3012 * function.c (finalize_block_changes): Likewise.
3013 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3014 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3015 * rtl.c (dump_rtx_statistics): Likewise.
3016 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3018 * varray.c (dump_varray_statistics): Likewise.
3019 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3020 decode_decimal64, encode_decimal128, decode_decimal128,
3021 decimal_real_to_decimal): Likewise.
3023 2006-07-07 Richard Guenther <rguenther@suse.de>
3025 PR tree-optimization/28187
3026 * tree-vrp.c (vrp_operand_equal_p): New function.
3027 (vrp_bitmap_equal_p): Likewise.
3028 (update_value_range): Use them to compare old and new
3031 2006-07-06 Roger Sayle <roger@eyesopen.com>
3033 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3034 a default case to switch statement to silence compiler warnings.
3036 2006-07-06 Roger Sayle <roger@eyesopen.com>
3039 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3040 the configured assembler supports the x87's ffreep mnemonic.
3041 * configure: Regenerate.
3042 * config.in: Regenerate.
3044 * config/i386/i386.c (output_387_ffreep): New function.
3045 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3046 (output_387_reg_move): Likewise.
3048 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3050 Port to hosts whose 'sort' and 'tail' implementations
3051 treat operands with leading '+' as file names, as POSIX
3052 has required since 2001. However, make sure the code still
3053 works on pre-POSIX hosts.
3054 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3055 which says you should use "tail -c +N" rather than "tail +Nc".
3056 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3058 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3060 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3063 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3066 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3067 PRE_{INC,DEC} of TFmode.
3069 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3070 Alan Modra <amodra@bigpond.net.au>
3073 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3076 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3079 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3080 Remove duplicate gtu.
3082 2006-07-05 Jason Merrill <jason@redhat.com>
3086 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3087 * c-common.c (handle_packed_attribute): So don't copy it here.
3088 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3090 2006-07-05 Mike Stump <mrs@apple.com>
3092 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3094 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3097 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3099 2006-07-05 Richard Guenther <rguenther@suse.de>
3102 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3103 TARGET_SSE2 targets if using SSE math.
3104 (*absdf2_1): Likewise.
3106 2006-07-05 Richard Guenther <rguenther@suse.de>
3108 PR tree-optimization/28162
3109 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3110 make sure to convert the operands to the correct type.
3112 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3114 PR tree-optimization/28218
3116 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3117 to calculate and free the dominator information.
3119 2006-07-04 Peter O'Gorman <peter@pogma.com>
3121 * mklibgcc.in: chmod 644 before ranlib during install.
3123 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3124 J"orn Rennecke <joern.rennecke@st.com>
3126 * configure.ac (.eh_frame data check): Use diff -b.
3128 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3131 * Makefile.in (BUILD_RTL): Add build/vec.o.
3132 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3133 (build/genextract): Delete.
3134 (build/genautomata): Likewise.
3136 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3139 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3140 128-bit IBM long doubles for ABI_V4.
3142 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3144 * tree.c (range_in_array_bounds_p): New predicate.
3145 * tree.h (range_in_array_bounds_p): Declare it.
3146 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3147 return a less conservative answer.
3148 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3149 and flag 'is_group'.
3150 (IS_ELEMENT_FOR_GROUP): New macro.
3151 (FOR_EACH_ACTUAL_CHILD): Likewise.
3152 (next_child_for_group): New helper function.
3153 (can_completely_scalarize_p): Take into account groups.
3154 (sra_hash_tree): Handle RANGE_EXPR.
3155 (sra_elt_eq): Likewise.
3156 (lookup_element): Be prepared for handling groups.
3157 (is_valid_const_index): Delete.
3158 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3159 instead of is_valid_const_index.
3160 <ARRAY_RANGE_REF>: New case.
3161 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3162 is_valid_const_index.
3163 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3164 (scan_dump): Dump info for groups too.
3165 (decide_instantiation_1): Likewise.
3166 (decide_block_copy): Assert that the element is not a group.
3167 Propagate decision to groups.
3168 (generate_one_element_ref): Handle RANGE_EXPR.
3169 (mark_no_warning): Iterate over actual childs.
3170 (generate_copy_inout): Likewise.
3171 (generate_element_copy): Likewise.
3172 (generate_element_zero): Likewise.
3173 (generate_element_init_1): Likewise.
3174 (dump_sra_elt_name): Handle RANGE_EXPR.
3176 2006-07-03 Roger Sayle <roger@eyesopen.com>
3178 PR tree-optimization/26251
3179 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3180 (thread_block): When optimizing for size refuse to thread jumps
3181 that would require duplication of blocks other than redirection
3184 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3186 * configure.ac: Fix thinko in previous check-in.
3187 * configure: Regenerate.
3189 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3192 * configure.ac (for lang...): Simplify nesting of conditionals.
3193 Test subdir_requires for non-enabled languages. Move processing
3194 of lang_opt_files and lang_tree_fiels below that test.
3195 * configure: Regenerate.
3196 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3198 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3200 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3202 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3204 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3207 2006-06-29 Jason Merrill <jason@redhat.com>
3214 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3215 * c-common.c (c_determine_visibility): Handle it here.
3216 * c-decl.c (finish_decl): Call c_determine_visibility for
3218 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3220 * varasm.c (default_assemble_visibility): Likewise.
3221 * c-common.c (handle_visibility_attribute): Complain about trying
3222 to give visibility to an already defined class, or trying to change
3223 declared visibility. Always attach the attribute.
3228 * attribs.c (decl_attributes): Ignore type-in-place attributes
3229 once the type has been defined.
3231 2006-06-29 Roger Sayle <roger@eyesopen.com>
3234 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3235 to indicate the cpplib has issued an error message for us.
3237 2006-06-29 Asher Langton <langton2@llnl.gov>
3240 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3241 insert a label at the end of an function under Mach-O.
3243 2006-06-29 Eric Christopher <echristo@apple.com>
3244 Evan Cheng <evan.cheng@apple.com>
3246 * predicates.md (vector_all_ones_operand): New.
3247 (nonimmediate_or_sse_const_operand): Ditto.
3248 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3249 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3250 (standard_sse_mode_p): Ditto.
3251 (standard_sse_constant_p): Add case for -1 vector.
3252 (ix86_expand_vector_move): Try to use.
3253 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3254 Call standard_sse_constant_opcode.
3255 (*movv4sf_internal): Ditto.
3256 (*movv2df_internal): Ditto.
3258 2006-06-29 Roger Sayle <roger@eyesopen.com>
3260 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3261 of XEXP to extract the operands of a MATCH_CODE rtx.
3263 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3265 * tree.c (tree_size): Do not waste tail padding in
3266 struct tree_string and make the size be the same as
3267 build_string will generate.
3269 2006-06-28 Jason Merrill <jason@redhat.com>
3272 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3273 may_aliases already in the tag's annotations to the bitmap.
3275 2006-06-28 Roger Sayle <roger@eyesopen.com>
3277 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3279 2006-06-28 Roger Sayle <roger@eyesopen.com>
3281 * genpreds.c (generate_switch_p): New function.
3282 (add_mode_tests): Push the new mode test down inside an AND expr
3283 if this allows the switch-suitable MATCH_CODE to be near the root.
3284 (write_match_code_switch): New function to write a MATCH_CODE as
3286 (write_predicate_stmts): New function to write a predicate RTX
3287 expression as a sequence of statements.
3288 (write_one_predicate_function): Use write_predicate_stmts.
3289 (write_tm_constrs_h): Likewise.
3291 2006-06-26 Fred Fish <fnf@specifix.com>
3293 * config/mips/t-sb1: New file.
3294 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3297 2006-06-26 DJ Delorie <dj@redhat.com>
3299 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3301 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3302 Jayant Sonar <jayants@kpitcummins.com>
3303 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3305 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3306 (subsi3, subsi3_1, subsi3_2): New.
3307 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3308 * config/m32c/mov.md (SI mov peephole): New.
3309 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3310 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3312 2006-06-26 Olivier Hainque <hainque@adacore.com>
3314 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3315 a CALL_EXPR target function declaration.
3317 2006-06-26 Richard Guenther <rguenther@suse.de>
3319 * tree.c (build_string): Do not waste tail padding in
3322 2006-06-26 Richard Guenther <rguenther@suse.de>
3324 * ggc-page.c (init_ggc): Add missing element to size_lookup
3328 2006-06-23 Richard Guenther <rguenther@suse.de>
3330 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3331 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3332 alignment requests instead. Add verification code.
3333 Add struct tree_function_decl and struct tree_binfo size to
3334 extra_order_size_table. Add missing element to size_lookup
3337 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3340 * fold-const.c (const_binop): Be prepared for self returning zero.
3341 Simplify code handling complex values.
3343 2006-06-24 Olivier Hainque <hainque@adacore.com>
3345 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3346 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3349 2006-06-24 Olivier Hainque <hainque@adacore.com>
3351 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3352 ARRAY_REF, so have the callback called for the low bound expression.
3354 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3356 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3357 * c-typeck.c (c_common_type): Disallow operations on decimal float
3358 types and other float types.
3359 * convert.c (convert_to_real): Don't ignore conversions involving
3360 decimal float types.
3362 2006-06-23 Olivier Hainque <hainque@adacore.com>
3364 * tree.c (max_int_size_in_bytes): New function, inspired from
3365 code in function.c:assign_temp.
3366 * tree.h (max_int_size_in_bytes): Declare.
3367 * function.c (assign_temp): Use it.
3368 * gimplify.c (create_tmp_var): Relax the assertions on the type
3369 properties, not mandating constant size any more.
3370 (force_constant_size): New static function.
3371 (gimple_add_tmp_var): Use it, forcing variable size to a
3372 constant upper bound if it is not constant on entry.
3374 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3377 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3378 for initialization and setting of one_only flag to ...
3379 (i386_pe_encode_section_info): ...here.
3380 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3381 Recheck that the symbol has not been defined.
3383 2006-06-23 Richard Guenther <rguenther@suse.de>
3385 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3386 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3387 alignment requests instead. Add verification code.
3388 Add struct tree_function_decl and struct tree_binfo size to
3389 extra_order_size_table. Add missing element to size_lookup
3392 2006-06-22 Roger Sayle <roger@eyesopen.com>
3393 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3396 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3397 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3399 2006-06-23 Ben Elliston <bje@au.ibm.com>
3401 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3402 negate dn -- manipulate it directly.
3404 2006-06-22 Roger Sayle <roger@eyesopen.com>
3405 Steven Bosscher <stevenb.gcc@gmail.com>
3408 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3409 generated by gen_move_insn to add REG_LABEL notes if necessary.
3411 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3413 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3414 (leaf_entry): Remove use of MIN_ESA.
3416 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3418 PR rtl-optimization/28121
3419 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3422 2006-06-21 DJ Delorie <dj@redhat.com>
3424 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3426 (mulhisi3_r): Likewise.
3428 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3431 * coverage.c (coverage_counter_alloc): Leave the index type
3433 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3436 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3438 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3439 section from the "Options for Code Generation Conventions".
3441 2006-06-21 Richard Henderson <rth@redhat.com>
3445 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3447 (global_symbolic_operand): Allow weak symbols, even if local_p.
3449 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3451 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3452 (find_interesting_uses_address): Punt if above function returns true.
3454 2006-06-21 Richard Guenther <rguenther@suse.de>
3456 * configure: Regenerated.
3458 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3460 * config/mips/mips.c (function_arg): Where one part of a
3461 complex argument is in registers and the other part in the stack,
3462 return a REG not a PARALLEL.
3464 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3466 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3467 when cross-compiling. Do not substitute libstdcxx_incdir.
3468 * configure: Regenerated.
3470 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3472 * varasm.c (mergeable_string_section): Check for embedded NULs and
3473 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3474 rather than TREE_STRING_LENGTH bytes.
3476 2006-06-21 Richard Guenther <rguenther@suse.de>
3478 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3479 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3482 2006-06-21 Richrad Guenther <rguenther@suse.de>
3484 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3485 Limit iteration over the dominators.
3487 2006-06-20 Roger Sayle <roger@eyesopen.com>
3489 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3490 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3492 2006-06-20 Richard Guenther <rguenther@suse.de>
3493 Michael Matz <matz@suse.de>
3495 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3497 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3498 * et-forest.h (et_free_pools): Prototype new function.
3499 * et-forest.c (et_free_tree_force): Free parent occurrence.
3500 (et_free_pools): New function.
3501 * dominance.c (free_dominance_info): Free et-forest alloc
3504 2006-06-20 Roger Sayle <roger@eyesopen.com>
3506 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3507 integer modes, attempt to directly construct an integer constant.
3509 * fold-const.c (native_encode_vector): Determine the size of each
3510 element from the vector type instead of the first vector element.
3512 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3513 if all of its elements/components are constant.
3514 (build_constructor_from_list): Likewise.
3516 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3518 PR tree-optimization/27331
3519 * tree-data-ref.c (free_data_ref): New function.
3520 (create_data_ref): Fail if the data reference has unknown access
3522 (free_data_refs): Use free_data_ref.
3524 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3527 * tree-inline.c (setup_one_parameter): Strip useless
3528 type conversion before adding it to the IR.
3529 (declare_return_variable): Likewise.
3531 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3534 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3536 2006-06-19 Mike Stump <mrs@apple.com>
3538 * tree.c (variably_modified_type_p): VM arguments don't make the
3541 2006-06-19 Richard Guenther <rguenther@suse.de>
3543 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3544 type conversions after folding.
3546 2006-06-19 Richard Guenther <rguenther@suse.de>
3548 * ggc-page.c (extra_order_size_tab): Add entries with
3549 size of struct function and basic_block.
3550 (size_lookup): Extend to cover sizes up to 511.
3551 (ggc_alloc_stat): Adjust user.
3552 (ggc_pch_count_object): Likewise.
3553 (ggc_pch_alloc_object): Likewise.
3554 (ggc_pch_write_object): Likewise.
3556 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3558 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3559 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3562 2006-06-19 Denis Chertykov <denisc@overta.ru>
3564 * config/avr/libgcc.S : Correct my wrong previous commit.
3566 2006-06-19 Roger Sayle <roger@eyesopen.com>
3569 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3570 have stripped a SUBREG from the shift count, so we may need to
3571 convert_to_mode back to the type's mode before calling make_tree.
3572 Use new_amount instead of amount to avoid expanding a tree twice.
3574 2006-06-19 Richard Guenther <rguenther@suse.de>
3577 * fold-const.c (operand_equal_p): Check if the argument types
3578 have the same precision before stripping NOPs.
3580 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3582 Fix PR tree-optimization/27341
3583 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3585 * tree-complex.c (pass_lower_complex): Update SMT usage.
3587 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3589 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3590 Add a new alternative to the constraint strings. Add move of
3591 operand 1 to 3 to the splitter definition.
3592 ("doloop_si_long"): Second contraint alternative removed.
3594 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3596 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3597 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3599 (AVR_HAVE_MOVW) Define.
3600 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3601 (ASM_SPEC): Add avr25.
3602 (LINK_SPEC): Add avr25.
3603 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3604 (base_arch_s): Add new member 'have_movw_lpmx'.
3605 (avr_arch_types): Init 'have_movw_lpmx'.
3606 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3607 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3608 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3609 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3610 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3612 (avr_file_start): Do not output '.arh' derective.
3613 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3614 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3615 * config/avr/avr.md (mcu_enhanced): Delete.
3616 (mcu_have_movw): Define.
3617 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3618 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3619 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3620 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3621 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3622 attiny861 and at86rf401 devices.
3624 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3626 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3629 2006-06-17 Karl Berry <karl@gnu.org>
3631 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3632 doc/gccint.texi, doc/install.texi (@dircategory): Use
3633 "Software development" instead of "Programming", following
3634 the Free Software Directory.
3636 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3638 * config/i386/i386.c (legitimate_tls_address)
3639 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3640 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3641 (*tls_dynamic_gnu2_combine_64): Likewise.
3643 2006-06-16 Richard Guenther <rguenther@suse.de>
3646 * fold-const.c (negate_expr_p): Do not introduce undefined
3647 overflow in negating INTEGER_CSTs.
3648 (fold_negate_expr): Rename from negate_expr. Revert last
3649 change for folding BIT_NOT_EXPR. Change semantics to
3650 return NULL_TREE for non-simplified negations. Do not
3651 strip type conversions and unify type handling.
3652 (negate_expr): New function, wrap around fold_negate_expr
3653 but ensure building a tree always. Strip type conversions
3654 here, fold to result type.
3655 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3657 2006-06-16 Roger Sayle <roger@eyesopen.com>
3660 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3661 that (would) return their results in stack registers.
3663 2006-06-16 Michael Matz <matz@suse.de>
3664 Richard Guenther <rguenther@suse.de>
3666 * fold-const.c (fold_truthop): Only return new tree node if
3667 we canonicalized something.
3669 2006-06-16 Richard Guenther <rguenther@suse.de>
3671 * function.h (enum function_frequency): Move declaration
3672 out of struct function.
3673 (struct function): Move bool fields and the enum to the bitfield
3674 section. Reorder elements to avoid padding. Remove unused
3675 fields left over from the RTL inliner removal.
3676 * function.c (free_after_compilation): Do not zero removed fields.
3677 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3678 (ipa-type-escape.o): Likewise.
3680 2006-06-16 Richard Guenther <rguenther@suse.de>
3682 * cgraph.h (struct cgraph_local_info): Turn bool elements
3684 (struct cgraph_node): Likewise.
3685 (struct cgraph_varpool_node): Likewise.
3687 2006-06-15 Richard Guenther <rguenther@suse.de>
3689 * fold-const.c (fold_truth_not_expr): Rename from
3690 invert_truthvalue. Give it fold_* semantics to avoid
3692 (invert_truthvalue): New function. Wrapper around
3693 fold_truth_not_expr.
3694 (optimize_minmax_comparison): Avoid creating garbage.
3695 (fold_unary): Use fold_truth_not_expr for folding
3697 (fold_ternary): Replace uses of invert_truthvalue with
3698 fold_truth_not_expr where applicable.
3699 * tree.h (fold_truth_not_expr): Prototype.
3701 2006-06-16 Richard Guenther <rguenther@suse.de>
3703 PR tree-optimization/27781
3704 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3705 * ipa-pure-const.c (target.h): Include.
3706 (analyze_function): Do not analyze functions that do not
3709 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3712 * tree-dfa.c (referenced_vars_dup_list): Remove.
3713 (find_referenced_vars): Remove assert.
3714 (referenced_var_check_and_insert): Replace dup list with assert.
3715 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3716 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3718 2006-06-15 Richard Guenther <rguenther@suse.de>
3720 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3721 extra unused identifiers if not dumping.
3722 (create_variable_info_for): Likewise.
3724 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3726 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3727 (derive_constant_upper_bound): Derive more precise upper bound in
3728 common cases. Return type changed to double_int.
3729 (record_estimate): Reflect the changed return type of
3730 derive_constant_upper_bound.
3731 * double-int.c (double_int_zext, double_int_sext): Fix.
3733 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3735 * configure.ac (CFLAGS): Get them from the toplevel or from the
3736 configure invocation.
3737 * configure: Regenerate.
3738 * Makefile.in (CFLAGS): Substitute value provided by configure.
3740 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3743 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3744 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3745 rather than calling add_stmt on it.
3746 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3748 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3751 * reload1.c (reload): Remove registers returned by update_eliminables
3752 from used_spill_regs.
3754 2006-06-13 DJ Delorie <dj@redhat.com>
3756 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3758 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3760 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3761 html__strip_dir, html__mkdir_p. Enhance install-html target.
3762 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3763 * configure: Regenerate.
3765 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3767 * fold-const.c (fold_cond_expr_with_comparison): Check for
3768 Objective-C++ as language in deciding COND_EXPR transformation.
3770 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3773 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3774 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3775 * config/sh/lib1funcs.h (SL, SL1): Define.
3776 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3777 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3778 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3779 (OBJS_Os_4_200): New variable.
3780 ($(T)libgcc-Os-4-200.a): Use it.
3781 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3782 when dividing 1 and/or by 0.
3784 2006-06-13 Roger Sayle <roger@eyesopen.com>
3786 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3787 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3788 * configure: Regenerate.
3790 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3792 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3793 for real instruction.
3795 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3798 * haifa-sched.c (check_cfg): Handle special case.
3800 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3803 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3804 Add debug_info parameter. Chain the vars to the BLOCK instead
3805 of the BIND_EXPR if debug info are requested for them.
3806 (pop_gimplify_context): Adjust for above change.
3807 (gimple_add_tmp_var): Likewise.
3808 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3810 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3811 (convert_local_reference): Likewise.
3812 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3813 (finalize_nesting_tree_1): Request that debug info be emitted
3814 for debug_var_chain.
3816 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3818 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3819 for PR target/27863.
3821 2006-06-13 Richard Guenther <rguenther@suse.de>
3824 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3826 2006-06-13 Richard Guenther <rguenther@suse.de>
3828 PR tree-optimization/27830
3829 * tree-inline.c (copy_body_r): For copying the operand
3830 of an ADDR_EXPR make sure to fold &* afterwards.
3832 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3834 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3835 lvalues in the fb_none case with side-effects.
3837 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3839 * tree-flow.h: Remove the prototype for
3840 compute_phi_arg_on_exit.
3841 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3842 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3845 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3847 * builtins.c (expand_builtin_return_addr): Only use
3848 frame_pointer_rtx when count == 0 and we are expanding
3849 __builtin_return_address.
3851 2006-06-12 Fred Fish <fnf@specifix.com>
3853 * config/mips/mips.c (mips_file_start): Create special section
3854 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3856 2006-06-11 Eric Christopher <echristo@apple.com>
3859 * stor-layout.c (place_field): Remove check for
3860 remaining_in_alignment when aligning at the end of a run.
3862 2006-06-11 Eric Christopher <echristo@apple.com>
3865 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3868 2006-06-11 Roger Sayle <roger@eyesopen.com>
3871 Revert incorrect fix for PR target/27158
3872 2006-05-08 Roger Sayle <roger@eyesopen.com>
3873 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3874 of a reg_equiv_constant if the result is a legitimate constant.
3876 2006-06-11 Roger Sayle <roger@eyesopen.com>
3879 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3880 extract a CONST_VECTOR element and interpret it as an integer.
3881 (vspltis_constant): Use const_vector_elt_as_int instead of the
3882 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3883 * config/rs6000/predicates.md (easy_vector_const): Consider
3884 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3886 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3889 * stor-layout.c (update_alignment_for_field): Don't add extra
3890 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3893 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3895 * config/mips/t-rtems: Add EL/EB multilib variants.
3897 2006-06-09 Mike Stump <mrs@apple.com>
3899 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3901 2006-06-09 David Daney <ddaney@avtrex.com>
3903 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3905 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3907 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3909 2006-06-09 Richard Guenther <rguenther@suse.de>
3911 PR tree-optimization/26998
3912 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3913 of signed types, only TYPE_MIN_VALUE is special, but for both,
3914 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3915 in this case, as is -fwrapv.
3917 2006-06-08 Mike Stump <mrs@apple.com>
3920 * config/darwin.c (darwin_asm_output_anchor): Disable
3921 -fsection-anchors on darwin for now.
3922 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3923 * rs6000/rs6000.c (optimization_options): Likewise.
3925 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3928 * config/i386/i386.c (classify_argument): Skip fields with invalid
3931 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3933 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3934 (cse_insn): Likewise for the stack_pointer_rtx.
3936 2006-06-08 Roger Sayle <roger@eyesopen.com>
3938 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3939 conditions from floating point comparisons.
3941 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3944 * expmed.c (struct alg_hash_entry): Fix type of field T
3945 to match synth_mult argument.
3946 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3948 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3951 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3954 2006-06-08 Richard Guenther <rguenther@suse.de>
3957 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3958 only, if overflow is defined and not trapping.
3959 (negate_expr): Likewise.
3961 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3963 PR tree-optimization/27872
3964 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3965 flag on the new exit edge of the unrolled loop.
3967 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3969 PR rtl-optimization/26449
3970 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3972 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3975 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3976 referenced_variables with matching DECL_UID's.
3977 (find_referenced_vars): Make sure duplicate list is empty to start.
3978 (referenced_var_p): Remove.
3979 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3980 Check if var is in the list, and add if needed. Update the duplicate
3981 list if a different var is in the list with the same DECL_UID.
3982 (add_referenced_var): Call routine to check and insert.
3983 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3984 * tree-flow.h (referenced_vars_dup_list): External declaration.
3986 2006-06-07 Fred Fish <fnf@specifix.com>
3988 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3991 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3994 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3995 the imaginary and real parts of a clobbered register.
3996 Emit insn to set the imaginary part.
3998 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4000 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4001 in lieu of unwind-dw2-fde.c.
4003 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4005 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4007 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4010 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4011 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4012 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4013 V4SImode temporaries and operations instead.
4015 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4017 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4020 2006-06-06 Mike Stump <mrs@apple.com>
4022 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4023 installing during build.
4025 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4027 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4029 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4030 * config/ia64/ia64.c (params.h): New header.
4031 (ia64_optimization_options): New function to adjust parameters.
4032 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4033 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4034 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4036 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4038 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4040 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4043 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4045 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4046 Victor Kaplansky <victork@il.ibm.com>
4048 PR tree-optimization/26360
4049 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4052 2006-06-04 Roger Sayle <roger@eyesopen.com>
4053 Andrew Pinski <pinskia@physics.uc.edu>
4056 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4057 for LABEL_DECL before calling DECL_WEAK.
4060 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4061 LABEL_DECL and PARM_DECL.
4063 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4067 * c-decl.c (grokdeclarator): Disallow variably modified types at
4068 file scope. Avoid marking shared array type of constant size as
4071 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4074 * c-common.c (fold_offsetof_1): Handle static members.
4076 2006-06-04 Eric Christopher <echristo@apple.com>
4078 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4079 (debug_rli): Output value for remaining_in_alignment.
4080 (update_alignment_for_field): Unconditionalize
4081 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4082 extra alignment code.
4083 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4084 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4085 * tree.h (record_layout_info_s): Remove prev_packed.
4086 * doc/extend.texi (ms_struct): Add documentation of format.
4088 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4090 * tree.h: Declare folding_initializer.
4091 * builtins.c (fold_builtin_constant_p): Give definite answer
4092 if folding inside an initializer.
4093 * fold-const.c: Define folding_initializer.
4094 (START_FOLD_INIT): Save and then set folding_initializer.
4095 (END_FOLD_INIT): Restore folding_initializer.
4097 2006-06-04 Richard Guenther <rguenther@suse.de>
4099 PR tree-optimization/27039
4100 * fold-const.c (fold_comparison): Handle pointer comparison
4101 again for all comparison codes. Compare offsets in signed
4103 (fold_binary): Move code from here.
4105 2006-06-03 Roger Sayle <roger@eyesopen.com>
4108 * config/i386/i386.c (construct_container): Split static issued_error
4109 flag into issued_sse_arg_error, issued_sse_ret_error and
4110 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4111 requires the use of x87 registers and the user explicitly
4112 specified the -mno-80387 command line option.
4114 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4116 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4117 HAVE_DECL_SIGALTSTACK.
4119 (segv_handler): Use MC_FLD.
4120 * configure.ac: Check for a sigaltstack declaration.
4121 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4122 * configure: Regenerate.
4123 * config.in: Regenerate.
4125 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4128 * Makefile.in (stmp-fixinc): Fix typo.
4130 2006-06-02 Roger Sayle <roger@eyesopen.com>
4132 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4133 are type correct. Clean-up.
4134 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4135 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4137 2006-06-01 DJ Delorie <dj@redhat.com>
4139 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4140 shift, as we've disabled the "switch" insn that needs it.
4142 2006-06-01 Per Bothner <bothner@bothner.com>
4144 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4145 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4146 * c-ppoutput.c (cb_define): Don't increment line 0.
4148 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4150 * doc/invoke.texi: Add cpu_type power6.
4151 * config.gcc: Add cpu_type power6.
4152 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4153 to power5+ with Altivec.
4154 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4155 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4157 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4159 * config/avr/avr.h (SET_ASM_OP): Define.
4161 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4163 * config/bfin/bfin.c: Fix comment typos.
4165 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4168 * doc/install.texi: Document --enable-bootstrap and
4169 --disable-bootstrap.
4171 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4173 * doc/install.texi: Document that InfoZIP can replace jar.
4175 2006-05-31 Roger Sayle <roger@eyesopen.com>
4177 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4178 isn't available, directly generate the simpler x87 patterns without
4179 the (use (const_int 0)).
4180 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4181 implementation isn't available.
4182 (*negdf2_1): Likewise.
4183 (*negxf2_1): XF mode negation is always done using the x87.
4184 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4186 2006-05-31 Roger Sayle <roger@eyesopen.com>
4188 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4189 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4191 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4193 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4195 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4196 * config/bfin/bfin.c (basic-block.h): Include.
4197 (struct machine_function): New.
4198 (bfin_init_machine_status): New.
4199 (override_options): Initialize init_machine_status.
4200 (bfin_hardware_loop): New.
4201 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4202 (DEF_VEC_P (loop_info)): New.
4203 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4204 (struct loop_info): New.
4205 (loop_info): New typedef.
4206 (struct loop_work): New.
4207 (loop_work): New typedef.
4208 (DEF_VEC_O (loop_work)): New.
4209 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4210 (bfin_dump_loops): New.
4211 (bfin_bb_in_loop): New.
4212 (bfin_scan_loop): New.
4213 (bfin_optimize_loop): New.
4214 (bfin_reorg_loops): New.
4215 (bfin_reorg): Use bfin_reorg_loops.
4216 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4218 (I_REGNO_P): Simplify.
4219 (DP_REGNO_P, DPREG_P): New macros.
4220 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4221 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4222 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4223 Add LT_REGS, LC_REGS, LB_REGS.
4224 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4226 (REGNO_REG_CLASS): Deal with loop registers.
4227 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4229 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4230 New constants for loop registers.
4231 (UNSPEC_LSETUP_END): New.
4232 (seq_insns): New define_attr. Set it for appropriate insns.
4233 (movsi_insn): Add alternatives for move from/to
4234 loop count registers.
4235 (doloop_end): New define_expand.
4236 (loop_end): New define_insn.
4237 (define_split for bad doloop_end): New.
4238 (lsetup_with_autoinit): New define_insn.
4239 (lsetup_without_autoinit): New define_insn.
4240 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4241 * config/bfin/predicates.md (lc_register_operand): New.
4242 (lt_register_operand): New.
4243 (lb_register_operand): New.
4244 (nondp_register_operand): New.
4245 (nondp_reg_or_memory_operand): New.
4246 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4248 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4250 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4251 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4253 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4255 * Makefile.in (CATALOGS): Add po/ prefix.
4256 * configure: Regenerated.
4258 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4261 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4262 a shift operand before calling shift_op. Avoid redundant call of
4265 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4266 DJ Delorie <dj@redhat.com>
4268 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4269 we're inserting is a singlt-bit constant.
4271 2006-05-30 Roger Sayle <roger@eyesopen.com>
4273 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4274 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4276 2006-05-30 Roger Sayle <roger@eyesopen.com>
4278 PR tree-optimization/23452
4279 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4280 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4281 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4282 complex values and with -ffast-math for FP complex values.
4284 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4286 * c-common.h: Remove the prototype for yyparse.
4287 * rtl.h: Remove the prototype for init_loop.
4289 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4291 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4294 2006-05-30 Roger Sayle <roger@eyesopen.com>
4296 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4298 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4299 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4301 2006-05-30 Dirk Mueller <dmueller@suse.de>
4304 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4305 for CONSTANT_CLASS_P expresisons.
4307 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4310 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4312 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4314 PR tree-optimization/27779
4315 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4316 initial_condition instead of CHREC_LEFT.
4318 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4320 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4321 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4322 Make prototypes ISO C90.
4324 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4325 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4327 * see.c (see_analyze_one_def): Correct check.
4328 (see_get_extension_data): Check if extension is parallel.
4329 (see_get_extension_reg): Likewise.
4331 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4334 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4335 into register for (code == GTU).
4337 2006-05-29 Roger Sayle <roger@eyesopen.com>
4339 PR tree-optimization/24964
4340 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4341 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4342 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4343 abs(x)*abs(x) as x*x for scalar floating point modes.
4345 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4348 * lambda-code.c (perfect_nestify): Don't copy statements
4349 in the inner loop: move them to the inner loop header.
4351 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4354 * c-tree.texi: Document OpenMP directives and clauses.
4356 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4358 * varasm.c (globalize_decl): Fix indentation.
4360 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4363 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4364 pass_fre, pass_store_ccp, pass_copy_prop,
4365 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4366 pass_return_slot, pass_object_size, pass_lim,
4367 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4368 pass_loop_prefetch and pass_stdarg.
4370 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4372 * config/bfin/bfin.opt (mfdpic): New option.
4373 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4374 (EXTRA_MULTILIB_PARTS): Likewise.
4375 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4376 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4378 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4379 (CRT_CALL_STATIC_FUNCTION): New.
4380 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4382 (CRT_CALL_STATIC_FUNCTION): New.
4383 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4385 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4386 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4387 (initialize_trampoline): Changed to handle FD-PIC code generation.
4388 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4389 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4390 (override_options): Disallow -mid-shared-library -mfdpic combination.
4391 Can't do unaligned ops if FD-PIC.
4392 Turn off flag_pic if trying to generate non-id-shared-library
4393 non-fdpic code, since it's not supported.
4394 (bfin_assemble_integer): New function.
4395 (TARGET_ASM_INTEGER): Define.
4396 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4398 * config/bfin/crtn.s: Restore them.
4399 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4401 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4402 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4403 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4404 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4405 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4407 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4408 FDPIC_REGS and FDPIC_FPTR_REGS.
4409 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4410 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4411 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4412 (load_funcdescsi): New pattern.
4413 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4414 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4415 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4417 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4419 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4422 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4424 * tree-flow.h: Remove the prototype for add_type_alias.
4425 * tree-ssa-alias.c (add_type_alias): Remove.
4427 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4429 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4430 config/fr30/fr30.md, config/i386/i386-interix.h,
4431 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4432 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4433 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4434 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4435 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4436 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4437 Follow spelling conventions.
4438 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4439 Follow spelling conventions.
4441 2006-05-27 Richard Guenther <rguenther@suse.de>
4444 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4445 to produce a constant of value 1 of generic type.
4447 2006-05-27 Dirk Mueller <dmueller@suse.de>
4449 * cgraphunit.c (decide_is_function_needed): Fix wrong
4452 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4454 PR rtl-optimization/27661
4455 * reload.c (find_reloads): When reloading a VOIDmode constant
4456 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4457 use Pmode as mode of the reload register.
4459 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4461 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4462 is enabled at -O and above.
4464 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4467 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4470 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4473 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4474 for anonymous variables explicitly declared by front ends.
4476 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4478 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4479 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4480 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4481 ref-all pointers, run a finalization pass for them.
4482 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4483 (finalize_ref_all_pointers): New function.
4484 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4485 regular pointer type to a ref-all pointer type.
4486 (get_tmt_for): Return the special memory tag for ref-all pointers.
4488 2006-05-25 Richard Guenther <rguenther@suse.de>
4491 * fold-const.c (fold_binary): Do not look at the stripped
4492 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4494 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4496 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4497 for LT and GT if the computed range is effectively empty.
4499 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4502 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4503 mips_quad_format formats instead of ieee_single_format,
4504 ieee_double_format and ieee_quad_format formats, respectively.
4506 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4508 PR tree-optimization/27639
4509 PR tree-optimization/26719
4510 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4511 call to scev_probably_wraps_p.
4512 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4513 used_in_pointer_arithmetic_p, convert_step): Removed.
4514 (nowrap_type_p): New function.
4515 (scev_probably_wraps_p): Rewritten.
4516 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4517 chrec_convert if chrec_convert_aggressive might have been used.
4518 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4519 scev_direction): New functions.
4520 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4521 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4522 instead of convert_step.
4523 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4524 (convert_step): Declaration removed.
4525 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4527 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4529 * df-core.c: Added to header comments.
4530 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4531 df_ur_bb_info, df_urec_bb_info): Added comments.
4532 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4533 urec, ri problems): Fixed header comments.
4534 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4535 code from df_rd_transfer_function.
4537 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4539 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4540 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4541 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4543 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4545 * expr.c (undefined_operand_subword_p): New.
4546 (emit_move_multi_word): Do not generate move from undefined bits
4547 of a paradoxical subreg.
4549 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4551 PR rtl-optimization/27736
4552 * combine.c (replaced_rhs_value): New variable.
4553 (combine_instructions): Set it.
4554 (distribute_notes): When distributing a note in replaced_rhs_insn,
4555 check whether the value was used in replaced_rhs_value.
4557 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4560 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4561 add_referenced_var instead of add_referenced_tmp_var.
4562 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4563 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4565 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4566 tree_optimize_tail_calls_1): Use add_referenced_var.
4567 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4568 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4569 Use add_referenced_var.
4570 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4571 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4572 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4573 Use add_referenced_var.
4574 * tree-dfa.c (struct walk_state): Remove.
4575 (find_referenced_vars): Remove walk state and vars_found hash table.
4576 (make_rename_temp): Use add_referenced_var.
4577 (find_vars_r): Pass less parameters to add_referenced_var.
4578 (referenced_var_p): New. Is var in referenced_var hash table.
4579 (referenced_var_insert): Assert var isn't already in hash table.
4580 (add_referenced_var): Don't need walk_state parameter. Add var if it
4581 isn't already in the hash table.
4582 (add_referenced_tmp_var): Remove.
4583 (find_new_referenced_vars_1): Use add_referenced_var.
4584 * tree-ssa-pre.c (create_expression_by_pieces,
4585 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4586 Use add_referenced_var.
4587 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4588 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4589 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4591 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4592 vect_create_data_ref_ptr, vect_create_destination_var,
4593 vect_init_vector, vect_build_loop_niters,
4594 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4595 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4596 Use add_referenced_var.
4597 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4598 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4599 (add_referenced_var): Add prototype.
4600 * tree-ssa-structalias.c (get_constraint_for,
4601 intra_create_variable_infos): Use add_referenced_var.
4603 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4605 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4606 big-endian paradoxical subregs.
4607 * var-tracking.c (struct micro_operation_def): Document that,
4608 for modify micro operations, insn is the subsequent instruction.
4609 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4610 (var_reg_set, var_mem_set): ... new functions.
4611 (add_stores): Record subsequent insn.
4612 (compute_bb_dataflow): Use new functions for MO_USE.
4613 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4614 notes after the insn, and modify notes before the insn known
4615 to be the subsequent one.
4616 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4618 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4621 * config/i386/i386.c (ix86_expand_builtin): Use
4622 gen_sse3_monitor64 for TARGET_64BIT.
4624 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4626 PR rtl-optimization/26375
4627 PR rtl-optimization/26855
4628 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4630 (df_ru_bb_local_compute): Reversed statements and removed bogus
4631 comment explaining why they should be in wrong order.
4632 (df_ru_dump, df_rd_dump): Enhanced debug info.
4633 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4635 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4636 reaching uses and fixed space problem.
4638 2006-05-23 Jan Hubicka <jh@suse.cz>
4640 * cgraphunit.c (decide_is_function_needed): Also nested functions
4641 and functions declared inline can be optimized out at -O0.
4643 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4645 * doc/install.texi (Configuration): Remove reference to CrossGCC
4649 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4652 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4653 ix86_compare_emitted is non-NULL.
4655 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4658 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4661 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4663 PR rtl-optimization/25514
4664 * combine.c (replaced_rhs_insn): New variable.
4665 (combine_instructions): Set replaced_rhs_insn when trying to replace
4666 a SET_SRC with a REG_EQUAL note.
4667 (distribute_notes): Use replaced_rhs_insn when determining the live
4668 range of a REG_DEAD register.
4670 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4671 Anatoly Sokolov <aesok@post.ru>
4673 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4674 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4675 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4676 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4677 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4678 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4679 at90usb647, at90usb1286 and at90usb1287 devices.
4680 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4681 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4683 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4685 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4687 2006-05-22 Richard Guenther <rguenther@suse.de>
4690 2006-01-31 Richard Guenther <rguenther@suse.de>
4691 Paolo Bonzini <bonzini@gnu.org>
4693 * doc/install.texi (--disable-libgcc-math): Document.
4695 2006-05-22 Richard Guenther <rguenther@suse.de>
4698 2006-01-31 Richard Guenther <rguenther@suse.de>
4700 * doc/invoke.texi (-msselibm): Document.
4701 * target.h (expand_library_builtin): New target hook.
4702 * builtins.c (expand_builtin): Use expand_library_builtin.
4703 (default_expand_library_builtin): New function.
4704 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4705 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4706 (link_gcc_math_spec): Declare.
4707 (static_specs): Add link_gcc_math_spec.
4708 * expr.h (default_expand_library_builtin): Declare.
4709 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4710 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4711 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4712 * config/i386/i386.opt (msselibm): New target option.
4713 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4714 (ix86_init_sse_abi_builtins): New function.
4715 (ix86_expand_library_builtin): Likewise.
4716 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4717 (override_options): Handle error conditions wrt -msselibm.
4718 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4719 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4720 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4723 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4726 * c-common.c (self_promoting_args_p): Skip erroneous args.
4729 * c-decl.c (finish_struct): Skip erroneous fields.
4731 2006-05-22 Nick Clifton <nickc@redhat.com>
4733 * config/cris/cris.opt (march): Remove VarExists attribute.
4734 (max-stackframe=): Likewise.
4736 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4738 * doc/rtl.texi: Fix a typo.
4739 * see.c: Fix comment typos.
4741 * tree-ssa-structalias.h (alias_info): Remove num_references.
4743 2006-05-21 Mike Stump <mrs@apple.com>
4745 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4747 (darwin_pragma_options): Use BAD instead.
4748 (darwin_pragma_unused): Likewise.
4749 (darwin_pragma_ms_struct): Likewise.
4751 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4753 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4755 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4757 PR rtl-optimization/27671
4758 * simplify-rtx.c (simplify_relational_operation_1): Fix
4759 simplifications of (eq/ne (xor x y) y) and
4760 (eq/ne (xor x y) x).
4762 PR tree-optimization/26622.
4763 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4766 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4768 * tree-cfg.c: Prune whitespace.
4769 (debug_tree_cfg): Point to correct header containing the
4772 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4775 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4777 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4780 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4781 or sorry count is non zero.
4783 2006-05-20 Andreas Schwab <schwab@suse.de>
4785 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4787 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4788 Kenneth Zadeck <zadeck@naturalbridge.com>
4790 PR rtl-optimization/26855
4792 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4794 (df_scan_alloc): Added code to properly handle multiword hard
4795 registers and add all_blocks parameter.
4796 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4797 code to properly handle multiword hard registers.
4798 (df_rescan_blocks): Added code to remove deleted blocks from
4800 (df_ref_create_structure, df_ref_record): Added code to properly
4802 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4803 and set DF_REF_PARTIAL.
4804 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4805 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4806 (df_scan_add_problem): Added flags parameter.
4807 (df_ref_create_structure): Changed switching structure.
4808 (df_bb_refs_record): Fixed case where duplicate artificial refs
4809 were created. Changed location of flags.
4810 (df_record_entry_block_defs): Added code to make stack pointer
4811 live in entry block. Refined cases where frame pointer is needed.
4812 Changed location of flags.
4813 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4814 (df_set_state): Removed function.
4815 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4816 df_insn_create_insn_record, df_insn_refs_delete,
4817 df_ref_create_structure): Formatting changes.
4818 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4819 df_delete_basic_block): New function.
4820 (df_init): Changed location of flags.
4821 (df_add_problem): Added flags parameter and the way flags are
4823 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4824 debug_df_chain): Improved debugging output.
4825 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4826 (df_refs_chain_dump): Removed df parameter.
4827 (df_iterative_dataflow): Added consistency check.
4828 (df_prune_to_subcfg): Made public.
4829 (df_analyze_problem): Added blocks_to_init parameter and made
4831 (df_ref_record, df_bb_refs_record, df_mark_reg,
4832 df_record_exit_block_uses): Whitespace changes.
4833 (df_dump): Whitespace changes.
4834 * df.h: Some reordering to remove forward references.
4835 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4836 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4837 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4838 (dataflow.flags): New field.
4839 (df.flag): Deleted field.
4840 (df_alloc_function): Added additional bitmap parameter.
4841 (df_dependent_problem_function): New type.
4842 (df_problem.changeable_flags): New field.
4843 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4844 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4845 (df_mw_hardreg): New struct.
4846 (DF_INSN_UID_MWS): New macro.
4847 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4849 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4850 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4851 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4852 (df_set_state): Removed function.
4853 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4854 * df-problems.c (df_chain_dump): Removed df parameter.
4855 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4856 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4858 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4859 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4860 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4861 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4862 DF_REF_MUST_CLOBBER cases.
4863 (df_ru_bb_local_compute_process_def,
4864 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4865 df_lr_bb_local_compute, df_ur_bb_local_compute,
4866 df_chain_create_bb): Made subreg aware.
4867 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4868 df_lr_bb_local_compute, df_lr_bb_local_compute,
4869 df_chain_create_bb): Cleanup to use proper macros.
4870 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4871 code to fixup bitvectors.
4872 (df_ri_alloc): Cleared lifetime.
4873 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4874 df_create_unused_note): New function.
4875 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4876 REG_DEAD and REG_UNUSED notes as well as register information.
4877 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4878 df_chains_dump): Fixed crash if problem was never run.
4879 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4880 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4881 df_ri_add_problem): Processes flags in uniform manner.
4882 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4883 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4884 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4885 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4886 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4887 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4888 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4889 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4890 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4891 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4892 * see.c (see_initialize_data): Ditto.
4893 * final.c (rest_of_clean_state) Added regstack_completed.
4894 * rtl.h (regstack_completed): Ditto.
4895 * reg-stack.c (regstack_completed): Ditto.
4897 2006-05-19 Mike Stump <mrs@apple.com>
4899 * c-tree.h (default_conversion): Remove.
4900 * c-common.h (default_conversion): Add.
4902 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4904 * tree-vrp.c (valid_value_p): New function.
4905 (adjust_range_with_scev): Fail if the value of bound is not
4908 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4910 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4911 (mips_fallback_frame_state): Use syscall numbers to determine
4912 the appropriate li instruction for the current ABI. Only use
4913 __NR_sigreturn for o32.
4915 2006-05-19 Nicolas Setton <setton@adacore.com>
4917 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4918 * langhooks.c (lhd_dwarf_name): New function.
4919 * langhooks-def.h (lhd_dwarf_name): Declare.
4920 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4921 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4922 * ada/misc.c (gnat_dwarf_name): New function.
4923 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4925 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4927 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4929 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4930 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4931 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4932 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4933 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4934 determine the size of Wtype, etc.
4935 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4936 (swfloatfuncs): New variable.
4937 (dwfloatfuncs): Likewise.
4938 (lib2funcs): Remove floating-point conversion functions from
4939 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4940 the set of conversion routines needed. Allow entries to specify
4941 an object name, filename and word size. Update users accordingly.
4942 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4943 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4947 2006-02-08 Roger Sayle <roger@eyesopen.com>
4950 * config/fixtfdi.c: New libgcc source file.
4951 * config/fixunstfdi.c: New source file.
4952 * config/floatditf.c: New source file.
4953 * config/floatunditf.c: New souce file.
4954 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4955 files above instead of config/mips/_tilib.c.
4956 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4958 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4960 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4961 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4963 2006-05-18 Mike Stump <mrs@apple.com>
4965 Fix up vla, vm and [*] sematics.
4971 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4972 (c_vla_unspec_p): Add.
4973 (c_vla_type_p): Add.
4974 * c-decl.c (struct c_scope): Add had_vla_unspec.
4975 (build_array_declarator): Add support for [*].
4976 (grokdeclarator): Likewise.
4977 (grokparms): Likewise.
4978 (get_parm_info): Likewise.
4979 * c-objc-common.c (c_vla_unspec_p): Likewise.
4980 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4981 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4982 typeof when argument is a variably modified type not inside sizeof or alignof.
4983 (c_parser_direct_declarator_inner): Propagate errors.
4984 (c_parser_sizeof_expression): Add support for [*].
4985 (c_parser_parms_declarator): Initialize had_vla_unspec.
4986 (c_parser_parms_list_declarator): Likewise.
4987 * c-typeck.c (c_vla_type_p): Add.
4988 (composite_type): Add support for vla compositing.
4989 (comptypes_internal): Add support for vla compatibility.
4990 (c_expr_sizeof_expr): Evaluate vla arguments.
4991 * tree.c (variably_modified_type_p): Update comment for [*].
4993 2006-05-18 Michael Matz <matz@suse.de>
4996 * config.host: Make assignments to host_xmake_file cumulative.
4997 * config.host (*-darwin*): Test $host, not $target.
4999 2006-05-12 Stuart Hastings <stuart@apple.com>
5001 * config/i386/i386.opt (-mstackrealign): New flag.
5002 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5003 (ix86_handle_cconv_attribute): Emit error when
5004 force_align_arg_pointer attribute collides with too many regparms.
5005 (ix86_function_regparm): Limit regparms when used with
5006 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5007 Support stack-realigning prologue in non-main functions. Emit
5008 warning for nested functions under -mstackrealign, emit error for
5009 nested functions with force_align_arg_pointer attribute.
5010 * doc/extend.texi (force_align_arg_pointer): Document it.
5011 * doc/invoke.texi (-mstackrealign): Document it.
5013 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5015 PR rtl-optimization/27477
5016 * combine.c (try_combine): Don't split a parallel consisting
5017 of two sets into two individual sets if both sets reference
5020 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5022 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5023 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5025 * doc/options.texi (VarExists): Updated.
5027 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5029 * unwind-dw2.c: Add declarations for uw_update_context and
5031 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5032 detected, advance frame state and context once to skip over stub.
5034 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5038 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5039 Call rewrite_into_loop_closed_ssa only when something changed.
5040 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5041 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5042 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5043 Test for perfect_nest_p here. Fix formating.
5044 (replace_uses_equiv_to_x_with_y): Fix formating.
5045 (stmt_uses_op): Removed.
5046 (can_convert_to_perfect_nest): Removed loopivs parameter.
5047 Complete the test by checking the scalar dependences.
5048 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5051 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5054 From Dan Kegel <dank@kegel.com>:
5055 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5057 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5059 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5060 if the element type is variably modified without recursing.
5062 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5065 * tree-loop-linear.c (try_interchange_loops): Test for
5066 no data dependences.
5068 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5070 PR tree-optimization/27548
5071 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5072 range of ssa names that appear on abnormal edges.
5073 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5074 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5076 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5079 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5081 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5084 * tree.h (OMP_PARALLEL_COMBINED): Define.
5085 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5086 (new_omp_context): Add is_combined_parallel argument.
5087 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5088 new_omp_context caller.
5089 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5090 Adjust gimplify_scan_omp_clauses callers.
5091 (omp_is_private): Issue errors if iteration variable is firstprivate
5092 or reduction in the current context.
5093 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5094 on combined parallel workshare constructs.
5096 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5098 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5099 (gcc-options.o): New rule.
5101 * optc-gen.awk: Protect variables for gcc-options.o with
5102 #ifdef GCC_DRIVER/#endif.
5104 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5106 Fix PR tree-optimization/27373
5107 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5108 (forward_propagate_addr_expr): Update call.
5110 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5112 * doc/options.texi: Move the Negative option.
5114 2006-05-16 Richard Guenther <rguenther@suse.de>
5116 PR tree-optimization/22303
5117 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5119 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5120 ccp_fold did not simplify the statement.
5122 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5125 * Makefile.in (GCC_OBJS): New.
5126 (OBJS-common): Add opts-common.o.
5127 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5128 (cpp$(exeext)): Likewise.
5129 (gcc.o): Also depend on opts.h.
5130 (opts-common.o): New.
5132 * common.opt (gcoff): Add Negative(gdwarf-2).
5133 (gdwarf-2): Add Negative(gstabs).
5134 (gstabs): Add Negative(gstabs+).
5135 (gstabs+): Add Negative(gvms).
5136 (gvms): Add Negative(gxcoff).
5137 (gxcoff): Add Negative(gxcoff+).
5138 (gxcoff+): Add Negative(gcoff).
5139 * config/i386/i386.opt (m32): Add Negative(m64).
5140 (m64): Add Negative(m32).
5142 * doc/options.texi: Document the Negative option.
5144 * gcc.c: Include "opts.h".
5145 (main): Call prune_options after expandargv.
5147 * optc-gen.awk: Generate common declarations for all flag
5148 variables in options.c. Output the neg_index field.
5150 * opts.c (find_opt): Moved to ...
5151 * opts-common.c: Here. New file.
5153 * opts.h (cl_option): Add a neg_index field.
5155 (prune_options): Likewise.
5157 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5160 * omp-low.c (expand_omp_parallel): Don't assert
5161 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5162 instead search for it.
5165 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5168 2006-05-16 Andreas Schwab <schwab@suse.de>
5170 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5173 2006-05-15 Roger Sayle <roger@eyesopen.com>
5176 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5177 integer constants other than zero are only legitimate on TARGET_64BIT.
5178 <CONST_VECTOR> Only zero vectors are legitimate.
5179 (ix86_cannot_force_const_mem): Integral and vector constants can
5180 always be put in the constant pool.
5182 2006-05-16 DJ Delorie <dj@redhat.com>
5184 * crtstuff.c (__dso_handle): Set section from
5185 TARGET_LBIGCC_SDATA_SECTION if defined.
5186 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5187 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5189 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5192 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5195 2006-05-16 Ben Elliston <bje@au.ibm.com>
5197 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5199 2006-05-15 Per Bothner <per@bothner.com>
5201 * tree.c: (last_annotated_node): Use source_locus typedef.
5202 This permits bootstrapping with --enable-mapped-location.
5204 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5206 PR tree-optimization/26830
5207 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5208 (info_for_ssa_name, current_info_for_ssa_name_age,
5209 blocks_to_update): New variables.
5210 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5211 (clear_ssa_name_info, initialize_flags_in_bb,
5212 mark_block_for_update): New functions.
5213 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5214 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5215 prepare_def_site_for): Use mark_block_for_update.
5216 (mark_def_interesting): Assert that the processed block is marked in
5217 blocks_to_update. Do not take blocks argument.
5218 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5220 (rewrite_update_init_block, rewrite_update_stmt): Only process
5221 blocks with statements to rewrite.
5222 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5223 (update_ssa): Initialize and free blocks_to_update. Do not
5224 clear flags on statements. Do not use blocks bitmap.
5225 * tree.h (SSA_NAME_AUX): Removed.
5226 (struct tree_ssa_name): Removed aux field.
5227 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5229 2006-05-15 Richard Guenther <rguenther@suse.de>
5231 PR tree-optimization/27603
5232 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5233 Do computations in original type.
5235 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5237 * see.c: Code style changes such as redundant paranthesis,
5238 redundant intialization of local variables etc.
5239 (see_main): Declared now as static.
5240 * doc/invoke.texi: Update that -fsee is not enabled by
5243 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5245 * omp-low.c (check_omp_nesting_restrictions): New function.
5246 (scan_omp_1): Call it.
5249 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5250 construct, return *VAR.
5252 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5254 PR rtl-optimization/27406
5255 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5258 2006-05-14 Roger Sayle <roger@eyesopen.com>
5260 PR rtl-optimization/27538
5261 * combine.c (expand_compound_operation): Call gen_lowpart
5262 before calling simplify_shift_const.
5264 2006-05-14 Roger Sayle <roger@eyesopen.com>
5266 PR rtl-optimization/22563
5267 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5268 a fixed width bitfield, always force the intermediates into psuedos.
5270 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5273 * mkconfig.sh: Use operator = instead of == for test.
5275 2006-05-13 Nick Clifton <nickc@redhat.com>
5277 * dwarf2out.c (dbx_reg_number): Check return value from
5278 LEAF_REG_REMAP and only use it if it is valid.
5279 (multiple_reg_loc_descriptor): Likewise.
5281 2006-05-13 Richard Guenther <rguenther@suse.de>
5283 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5286 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5288 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5289 information attached to non-INSNs such as NOTEs.
5290 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5292 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5294 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5296 * config/s390/s390.md: Adjust comment describing On constraint.
5298 2006-05-11 Jan Hubicka <jh@suse.cz>
5300 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5301 to be output at -O0.
5303 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5306 * fold-const.c (size_binop): Move sanity check for arguments to
5307 the beginning of the function.
5310 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5313 2006-05-11 Richard Guenther <rguenther@suse.de>
5316 * fold-const.c (fold_unary): Handle intermediate conversion
5317 to a pointer type like intermediate conversion to an integer
5318 type in folding of (T1)(T2)var to var.
5319 Match the code to the comment in the final conversion for
5320 (T1)(T2)var to (T1)var regarding to type precision. Rather
5321 than disallow T1 being of pointer type, assert that both T1
5322 and var are of pointer type or not. Make sure not to fall
5323 over the frontends lazyness wrt array to pointer decay though.
5325 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5327 * arm.c (arm_struct_value_rtx): Delete.
5328 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5329 (arm_init_cumulative_args): Always initialize nregs to zero.
5331 2006-05-10 Richard Guenther <rguenther@suse.de>
5333 PR tree-optimization/27532
5334 * tree-object-size.c (plus_expr_object_size): Fix typo.
5336 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5339 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5340 ashrdi_const, ashrdi3): Use a scratch register.
5342 2006-05-10 Richard Guenther <rguenther@suse.de>
5344 PR tree-optimization/27302
5345 * fold-const.c (operand_equal_p): For two comparisons,
5346 try comparison of one comparison code swapped if that yields
5349 2006-05-10 Ben Elliston <bje@au.ibm.com>
5351 * tree-pretty-print.c (pretty_print_string): No need to handle
5352 '\0' as a special character.
5354 * tree.h: Include "hashtab.h".
5355 (iterative_hash_expr): Use hashval_t in its prototype.
5356 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5358 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5361 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5362 (hppa*64*-*-hpux11*): Ditto.
5363 (hppa[12]*-*-hpux11*): Ditto.
5365 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5368 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5370 2006-05-09 Michael Matz <matz@suse.de>
5372 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5373 host_extra_gcc_objs and host_xmake_file.
5374 (<*-*-linux*>): Don't overwrite host_xmake_file.
5375 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5376 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5377 (host_detect_local_cpu): Declare.
5378 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5379 * config/i386/i386.c (override_options): Handle -mtune=native
5381 * config/i386/x-i386: New file.
5382 * config/i386/driver-i386.c: New file.
5383 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5386 2006-05-09 Dirk Mueller <dmueller@suse.de>
5387 Richard Guenther <rguenther@suse.de>
5390 * fold-const.c (fold_read_from_constant_string): Relax check
5391 for matching types to matching modes.
5393 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5395 PR rtl-optimization/27335
5396 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5399 2006-05-08 Chao-ying Fu <fu@mips.com>
5400 Richard Sandiford <richard@codesourcery.com>
5402 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5403 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5404 * config/mips/mips.md (UNSPEC_SCC): New constant.
5405 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5406 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5407 (mips_emit_compare): Use it.
5408 (mips_expand_vcondv2sf): New function.
5410 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5412 Fix PR tree-optimization/27093
5413 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5414 renaming when they become not-used_alone.
5416 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5418 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5419 relocation and relocation stubs.
5421 2006-05-08 Eric Christopher <echristo@apple.com>
5423 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5426 2006-05-08 Jan Hubicka <jh@suse.cz>
5429 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5430 unused static functions are needed.
5432 2006-05-08 Roger Sayle <roger@eyesopen.com>
5435 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5436 of a reg_equiv_constant if the result is a legitimate constant.
5438 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5441 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5442 standard 80387 constants, raise the cost to prevent
5443 compress_float_constant() to generate load from memory.
5445 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5447 * config/arm/constraints.md (c): Fix a typo.
5449 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5452 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5455 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5457 (_mm_mwait): Likewise.
5459 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5461 (sse3_monitor): Make it 32bit only.
5462 (sse3_monitor64): New. 64bit monitor.
5464 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5467 * config/i386/i386.c (classify_argument): Skip fields with invalid
5470 2006-05-07 Richard Guenther <rguenther@suse.de>
5472 PR tree-optimization/27409
5473 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5474 Do not try to find zero-sized subvars.
5476 2006-05-07 Richard Guenther <rguenther@suse.de>
5478 PR tree-optimization/27136
5479 * tree-ssa-loop-niter.c (get_val_for): Correct function
5480 comment, assert requirements.
5481 (loop_niter_by_eval): Stop processing if the iterated
5482 value did not simplify.
5484 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5486 * opts.c (flag_see): remove its setting at -O3.
5488 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5490 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5491 * arm/constraints.md: New file.
5492 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5493 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5494 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5495 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5496 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5497 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5498 * arm.md: Include constraints.md.
5499 (thumb_movsi_insn): Use satisfies_constraint_J.
5500 (movhi, movqi): Use satisfies_constraint_I.
5502 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5504 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5505 for atmeg a645 device.
5507 2006-05-06 Richard Guenther <rguenther@suse.de>
5509 PR tree-optimization/27151
5510 * tree-vect-transform.c (vectorizable_condition): Punt on
5511 values that have a different type than the condition.
5513 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5516 * c-parser.c (c_parser_cast_expression): Only insert casts into
5517 hash table if pointer.
5518 * function.c (used_types_insert_helper): Rename from
5520 (used_types_insert): Call used_types_insert_helper.
5521 * function.h (used_types_insert): Accept only one argument.
5523 2006-05-05 David Edelsohn <edesohn@gnu.org>
5525 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5526 scratch with output modifier.
5528 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5531 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5532 with output modifier.
5534 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5537 * config/mips/mips.c (mips_symbolic_address_p): Return true
5538 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5539 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5541 2006-05-04 Richard Guenther <rguenther@suse.de>
5543 PR tree-optimization/14287
5544 PR tree-optimization/14844
5545 PR tree-optimization/19792
5546 PR tree-optimization/21608
5547 PR tree-optimization/27090
5548 * tree-ssa-pre.c (try_combine_conversion): New function.
5549 (compute_avail): After constructing the value-handle
5550 expression, use try_combine_conversion to combine NOP_EXPRs
5551 with previous value-handle expressions and use the result if it
5554 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5556 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5558 2006-05-04 Jan Hubicka <jh@suse.cz>
5561 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5563 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5565 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5566 that this only matches CONST_INTs. All users changed to VOIDmode
5569 * config/bfin/bfin.c: Include "optabs.h".
5570 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5572 (enum bfin_builtins): Add a number of fractional and vector builtins.
5573 (bfin_init_builtins): Likewise.
5574 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5575 (safe_vector_operand, bfin_expand_binop_builtin,
5576 bfin_expand_unop_builtin): New functions.
5577 (bfin_expand_builtin): Handle the new builtins.
5578 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5581 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5584 * Makefile.in (OBJS-common): Add see.o.
5585 (see.o): Add dependencies.
5586 * common.opt (fsee): New flag for the see optimization was added.
5587 * opts.c (flag_see): Initialized.
5588 * passes.c (init_optimization_passes, pass_see): New pass.
5589 * rtl.h (see_main): Declaration as extern.
5590 * timevar.def (TV_SEE): New.
5591 * tree-pass.h (pass_see): Declaration as extern.
5592 * invoke.texi (-fsee): Document.
5593 * recog.c (validate_simplify_insn): New function.
5594 * recog.h (validate_simplify_insn): Declaration as extern.
5595 * df-problems.c (df_chain_dump): Check for NULL.
5597 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5598 Daniel Berlin <dberlin@dberlin.org>
5600 * cfgrtl.c (insert_insn_bb_end_new): New function.
5601 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5603 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5605 * df.h (struct web_entry): Moved from web.c.
5606 (union_defs): Declaration as extern.
5607 (unionfind_root): Likewise.
5608 (unionfind_union): Likewise.
5609 * web.c (struct web_entry): Moved to df.h.
5610 (unionfind_root): Remove static declaration.
5611 (unionfind_union): Likewise.
5612 (union_defs): Likewise and generalize to use callback function.
5613 (web_main): Update arguments for union_defs function call.
5615 2006-05-04 Richard Guenther <rguenther@suse.de>
5617 PR tree-optimization/26447
5618 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5619 produce SSA_NAME copies before the store stmt to avoid
5620 breaking exception handling.
5622 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5625 * gimplify.c (omp_is_private): If var is shared in some outer context,
5626 return false instead of true. Stop searching on parallel context
5629 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5632 * coverage.c: Use get_gcov_unsigned_t() instead of
5633 unsigned_type_node all over.
5635 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5637 PR tree-optimization/27381
5638 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5639 maintain the same immediate_use links.
5640 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5641 node rather than segfaulting.
5643 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5646 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5647 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5648 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5650 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5652 Fix PR tree-optimization/26626
5653 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5655 * tree-ssa-operands.c (access_can_touch_variable): Allow
5656 typecasting through union pointers.
5658 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5661 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5662 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5663 to find if var will be a global variable even in the nested context.
5664 (omp_copy_decl): Only check for global variable at the end, it might
5665 be overridden in outer contexts.
5666 (scan_sharing_clauses): For global variables don't create a field.
5667 (lower_rec_input_clauses): Do nothing for global shared variables.
5668 Emit a barrier at the end of ILIST if there were any decls in both
5669 firstprivate and lastprivate clauses.
5670 (lower_send_clauses): Do nothing for global variables except for
5673 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5675 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5676 of the correct signedness is returned.
5678 2006-05-02 Jeff Law <law@redhat.com>
5680 PR tree-optimization/27364
5681 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5682 multiply expressions.
5684 2006-05-02 Tom Tromey <tromey@redhat.com>
5686 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5688 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5691 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5692 -mthumb -fPIC are used.
5694 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5695 Joshua Kinard <kumba@gentoo.org>
5698 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5699 with 64-bit pointers.
5701 2006-05-02 Paul Brook <paul@codesourcery.com>
5703 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5705 (create_fix_barrier): Check that a suitable barrier location is
5707 (arm_reorg): Include ftmp->address in allowable range of addresses.
5709 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5712 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5715 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5718 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5719 around RESULT_DECL for result passed by reference.
5720 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5721 * omp-low.c (use_pointer_for_field): Don't look at
5722 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5723 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5724 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5725 time or var for passing by reference for
5726 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5727 TREE_ADDRESSABLE variables when passing by reference.
5729 * omp-low.c (dump_omp_region): Fix output formatting.
5732 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5733 (expand_omp_parallel): Likewise.
5734 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5737 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5738 on statement list containing also constructors and destructors.
5739 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5742 * except.c (duplicate_eh_regions): Fix clearing of
5743 cfun->eh->region_array entries.
5745 2006-05-01 DJ Delorie <dj@redhat.com>
5747 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5749 (gcc_cv_objdump): Likewise.
5750 * configure: Regenerated.
5752 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5755 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5756 templates for case 3 and 4.
5758 2006-05-01 DJ Delorie <dj@redhat.com>
5760 * vec.c: Include bconfig.h when appropriate.
5761 * Makefile.in (build/vec.o): Adjust dependencies.
5762 * mkconfig.sh: Make sure config.h isn't used for build machine
5765 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5767 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5769 (mark_phi_for_rewrite): New function.
5770 (insert_phi_nodes_for, mark_use_interesting): Call
5771 mark_phi_for_rewrite.
5772 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5773 (update_ssa): Initialize and free phis_to_rewrite.
5775 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5777 PR rtl-optimization/27291
5778 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5779 folded to a constant.
5781 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5783 PR tree-optimization/27283
5784 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5785 not whole # of iteration descriptions.
5786 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5787 uses abnormal ssa name.
5788 (niter_for_single_dom_exit): Ditto.
5789 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5790 return just the number of iterations.
5792 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5794 PR tree-optimization/27144
5795 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5796 (record_estimate): Only record constant upper bound.
5797 (infer_loop_bounds_from_undefined): Call
5798 compute_estimated_nb_iterations just once.
5799 (proved_non_wrapping_p): Renamed to ...
5800 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5801 (convert_step_widening, scev_probably_wraps_p): Call
5802 n_of_executions_at_most instead of proved_non_wrapping_p.
5803 (substitute_in_loop_info): Do not replace values in bounds.
5804 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5807 2006-05-01 Richard Henderson <rth@redhat.com>
5810 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5811 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5814 2006-05-01 Roger Sayle <roger@eyesopen.com>
5816 * c-typeck.c (parser_build_binary_op): Don't call the function
5817 unsigned_conversion_warning to spot operand/result type overflow.
5818 (build_binary_op): Instead, call convert_and_check instead of
5819 convert to report the problem when the operands are promoted.
5820 * c-common.c (unsigned_conversion_warning): Make static.
5821 * c-common.h (unsigned_conversion_warning): Delete prototype.
5823 2006-05-01 Richard Guenther <rguenther@suse.de>
5825 PR tree-optimization/26726
5826 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5828 (find_interesting_uses_address): ... we work around here
5829 by folding INDIRECT_REFs in the substituted base.
5831 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5833 * omp-low.c (dump_omp_region): Add newlines.
5835 2006-04-30 Roger Sayle <roger@eyesopen.com>
5837 * common.opt (Woverflow): New command line option.
5838 * c-common.c (constant_expression_warning): Check warn_overflow.
5839 (overflow_waring): Pass OPT_Woverflow to warning.
5840 (unsigned_conversion_warning): Likewise.
5841 (convert_and_check): Likewise.
5842 * doc/invoke.texi: Document new command line option.
5844 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5846 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5847 TARGET_NO_FP_IN_TOC for section anchors.
5848 (optimization_options): Enable section anchors for all
5849 non-"Objective" languages.
5851 2006-04-28 Eric Christopher <echristo@apple.com>
5853 * config/darwin-c.c (darwin_ms_struct): Move this
5854 (darwin_set_default_type_attributes): and this...
5855 * config/darwin.c: ... here.
5856 * config/darwin.h (darwin_ms_struct): Declare.
5858 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5860 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5862 2006-04-28 Roger Sayle <roger@eyesopen.com>
5865 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5866 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5867 an unsigned HOST_WIDE_INT.
5868 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5870 (really_start_incremental_init): No need to call convert because
5871 bitsize_zero_node is already of type bitsizetype.
5872 (push_init_level): Extract the value of constructor_index as an
5873 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5874 (process_init_element): Likewise.
5876 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5878 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5879 value before passing to make_relative_prefix.
5881 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5884 * builtins.c (expand_builtin_memset): Expand val in original mode.
5886 2006-04-27 Eric Christopher <echristo@apple.com>
5888 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5889 with #ifndef/#endif.
5890 * config/darwin-c.c (darwin_ms_struct): New.
5891 (darwin_pragma_ms_struct): Ditto.
5892 (darwin_set_default_type_attributes): Ditto.
5893 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5894 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5895 Register ms_struct pragma.
5896 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5897 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5898 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5899 darwin_set_default_type_attributes if TARGET_MACHO.
5901 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5903 PR tree-optimization/26854
5904 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5905 * doc/tree-ssa.texi: Update immuse iterator documentation.
5906 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5907 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5908 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5909 first_safe_imm_use, next_safe_imm_use): Remove.
5910 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5911 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5912 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5913 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5914 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5915 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5916 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5917 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5918 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5919 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5920 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5921 (perfect_nestify): Use new iterator.
5922 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5924 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5925 (next_imm_name): New field in struct immediate_use_iterator_d.
5926 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5927 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5928 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5929 * tree-cfg.c (replace_uses_by): Use new iterator.
5930 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5931 * tree-ssa-operands.c (correct_use_link): Remove.
5932 (finalize_ssa_use_ops): No longer call correct_use_link.
5934 2006-04-27 Stuart Hastings <stuart@apple.com>
5936 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5937 * config/t-darwin (crt3.o): Use it.
5938 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5939 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5940 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5941 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5942 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5945 2006-04-27 Roger Sayle <roger@eyesopen.com>
5947 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5948 size, force the intermediate into a new pseudo rather instead of
5949 performing both a bitwise AND and a bitwise IOR in memory.
5951 2006-04-27 Richard Guenther <rguenther@suse.de>
5953 PR rtl-optimization/26685
5954 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5955 this one "max-flow-memory-locations".
5957 2006-04-27 Richard Guenther <rguenther@suse.de>
5959 PR tree-optimization/25148
5960 * tree-vrp.c (compare_values): Remove code dealing with
5961 comparisons against type min/max value. Honour overflow
5962 and negative constants in code dealing with comparisons
5963 of plus and minus expressions.
5964 (value_inside_range): Use fold_binary with LE_EXPR and
5965 GE_EXPR rather than compare_values.
5967 2006-04-27 Dirk Mueller <dmueller@suse.de>
5969 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5972 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5974 * basic-block.h (safe_insert_insn_on_edge): Removed.
5975 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5977 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5978 Paolo Bonzini <bonzini@gnu.org>
5981 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5982 (simplify_and_const_int): Same.
5984 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5986 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5988 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5991 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5992 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5993 cgraph_global_info_ready.
5996 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5999 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6000 either decl or init is error_mark_node.
6003 * tree-flow.h (struct omp_region): Add sched_kind.
6004 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6005 instead of extracting omp for data.
6006 (expand_omp_for): Save extracted sched_kind.
6008 2006-04-25 Roger Sayle <roger@eyesopen.com>
6010 * expmed.c (store_bit_field): Also check whether the bitsize is
6011 valid for the machine's "insv" instruction before moving the
6012 target into a pseudo for use with the insv.
6013 * config/i386/predicates.md (const8_operand): New predicate.
6014 * config/i386/i386.md (extv, extzv, insv): Use the new
6015 const8_operand predicate where appropriate.
6017 2006-04-25 DJ Delorie <dj@redhat.com>
6019 * doc/install.texi (Specific): Clarify that this is not a list of
6020 supported hosts or targets.
6022 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6024 PR rtl-optimization/26725
6025 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6026 block's BB_DIRTY flag.
6028 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6030 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6033 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6034 to print an integer.
6036 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6038 * varasm.c (align_variable): New function.
6039 (get_block_for_decl): Apply align_variable to DECL before
6040 calculating section information.
6041 (assemble_variable): Split out alignment computation.
6043 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6045 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6048 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6050 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6051 MODE_PARTIAL_INT mode.
6052 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6053 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6055 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6056 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6058 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6060 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6062 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6063 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6064 MACFLAG_IH): Likewise.
6065 (movstricthi_1): Renamed from "*movstricthi".
6066 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6067 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6068 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6069 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6070 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6071 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6072 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6073 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6074 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6075 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6076 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6077 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6078 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6079 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6080 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6082 * doc/rtl.texi (ss_ashift): Improve wording.
6084 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6086 * dwarf2out.c (verify_marks_clear): New.
6087 (prune_unused_types): Call verify_marks_clear initially, not
6090 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6092 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6093 * doc/rtl.texi: Document them.
6094 * simplify-rtx.c (simplify_unary_operation,
6095 simplify_binary_operation_1): Don't abort when we see them.
6097 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6100 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6101 * configure.ac: Completely disregard languages that are not
6103 * configure: Regenerated.
6105 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6106 Richard Guenther <rguenther@suse.de>
6108 PR tree-optimization/27236
6109 * tree-inline.c (copy_body_r): Make sure to copy
6110 TREE_THIS_VOLATILE flag.
6112 2006-04-24 Richard Guenther <rguenther@suse.de>
6115 * tree-complex.c (update_parameter_components): Don't handle
6116 unused parameters which have no default def.
6118 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6119 Richard Guenther <rguenther@suse.de>
6121 PR tree-optimization/27218
6122 * tree-inline.c (expand_call_inline): Strip useless type
6123 conversions for the return slot address.
6125 2006-04-24 Richard Guenther <rguenther@suse.de>
6127 * cfgloop.h (struct loops): Remove unused field array. Reorder
6129 (LOOP_PREFETCH): Remove.
6131 2006-04-24 Richard Guenther <rguenther@suse.de>
6133 PR tree-optimization/22525
6134 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6135 variable, adjust types of generated expressions.
6137 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6139 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6140 (tree-vect-patterns.o): Likewise.
6142 (cselib.o): Likewise.
6143 (loop-doloop.o): Likewise.
6144 (regclass.o): Likewise.
6145 (reload1.o): Likewise.
6146 (explow.o): Replace target.h with $(TARGET_H).
6147 (ipa-prop.o): Likewise.
6148 (ipa-cp.o): Likewise.
6149 (ipa-inline.o): Likewise.
6150 (reorg.o): Likewise.
6151 (reg-stack.o): Likewise.
6153 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6155 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6157 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6159 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6161 * configure.ac: Completely disregard languages that are not
6163 * configure: Regenerated.
6166 * c-common.h (c_build_bitfield_integer_type): Declare.
6167 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6168 * c-common.c (c_build_bitfield_integer_type): ... here.
6170 2006-04-23 Roger Sayle <roger@eyesopen.com>
6173 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6174 a SImode SUBREG of a floating point register after no_new_pseudos.
6176 2006-04-23 Roger Sayle <roger@eyesopen.com>
6178 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6179 identify potentially eliminable registers to additionally catch
6180 VIRTUAL_INCOMING_ARGS_REGNUM.
6181 (addsi3): Update the conditions on when to use addsi_small_int.
6183 2006-04-23 Roger Sayle <roger@eyesopen.com>
6186 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6187 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6188 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6190 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6192 * fold-const.c (range_predecessor): Use operand_equal_p
6193 as the predicate for equality.
6194 (range_successor): Likewise.
6196 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6199 * config/soft-fp/op-common.h: Fix a typo.
6201 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6204 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6205 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6207 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6209 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6211 * doc/tm.texi: Fix a typo.
6213 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6215 * dwarf2out.c (struct die_struct): Document that die_sib makes
6216 a circular linked list.
6217 (FOR_EACH_CHILD): New.
6218 (reverse_die_lists): Delete.
6219 (reverse_all_dies): Delete.
6220 (add_dwarf_attr): Correct documentation.
6221 (remove_child_with_prev): New.
6222 (remove_child_TAG): Update for change to die_struct, use
6223 remove_child_with_prev.
6224 (add_child_die): Update for change to die_struct.
6225 (splice_child_die): Use remove_child_with_prev and add_child_die.
6226 (print_die): Use FOR_EACH_CHILD.
6227 (die_checksum): Likewise.
6228 (assign_symbol_names): Likewise.
6229 (output_location_lists): Likewise.
6230 (build_abbrev_table): Likewise.
6231 (calc_die_sizes): Likewise.
6232 (mark_dies): Likewise.
6233 (unmark_dies): Likewise.
6234 (unmark_all_dies): Likewise.
6235 (output_die): Likewise.
6236 (prune_unused_types_mark): Likewise.
6237 (prune_unused_types_walk): Likewise.
6238 (same_die_p): Update for change to die_struct.
6239 (break_out_includes): Likewise.
6240 (prune_unused_types_prune): Likewise.
6241 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6242 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6244 (dwarf2out_finish): Don't call reverse_all_dies.
6246 2006-04-21 Eric Christopher <echristo@apple.com>
6248 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6249 in comments and function names.
6251 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6254 * c-typeck.c (digest_init): Robustify.
6256 * c-typeck.c (pop_init_level): Simplify.
6258 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6260 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6262 2006-04-21 Paul Brook <paul@codesourcery.com>
6264 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6265 hardware floating point.
6267 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6269 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6272 2006-04-21 Nick Clifton <nickc@redhat.com>
6274 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6277 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6280 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6281 C++ lang type in traceback table for Objective-C++.
6283 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6285 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6287 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6289 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6292 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6293 were errors. Remove check for erroneous objects.
6295 2006-04-20 Jeff Law <law@redhat.com>
6297 PR tree-optimization/26854
6298 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6299 checking for zero or one use.
6300 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6301 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6302 * tree-ssa-reassoc.c (negate_value): Similarly.
6303 (reassociate_bb): Similarly.
6305 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6307 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6308 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6309 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6311 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6313 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6314 fp regs if the last fp arg doesn't fit in regs.
6316 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6319 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6320 that the last insn has the REG_INC note.
6322 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6323 Nathan Sidwell <nathan@codesourcery.com>
6326 * stor-layout.c (update_alignment_for_field): Do not align
6328 (place_union_field): Place union field at the start of the union.
6329 (place_field): Move ERROR_MARK check later, and use the current
6330 allocation position to maintain monotonicity.
6332 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6334 * dominance.c: Include timevar.h.
6335 (calculate_dominance_info): Use TV_DOMINANCE.
6336 * timevar.def (TV_DOMINANCE): New timevar.
6337 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6339 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6341 PR rtl-optimization/14261
6342 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6343 move would be an INSV insn.
6344 (noce_process_if_block): Don't optimize if the destination is a
6345 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6347 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6349 * config/s390/s390.md: Add comments with the instructions emitted
6350 by an insn pattern if macros are used.
6352 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6354 PR rtl-optimization/26026
6355 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6356 is a known power of two shifted left a variable amount.
6358 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6360 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6361 to hash table twice when the debug_str section has SECTION_MERGE.
6363 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6365 * config/soft-fp: New directory. From glibc.
6366 * config/soft-fp/t-softfp: New.
6367 * config/soft-fp/README: New.
6368 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6369 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6370 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6371 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6372 * config.gcc: Use rs6000/t-fprules-fpbit or
6373 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6375 * config/rs6000/sfp-machine.h: New. Based on glibc.
6376 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6378 * config/rs6000/t-fprules: Remove fp-bit rules.
6379 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6380 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6381 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6382 (softfp_wrap_start, softfp_wrap_end): New.
6384 2006-04-18 DJ Delorie <dj@redhat.com>
6386 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6388 2006-04-18 Devang Patel <dpatel@apple.com>
6390 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6392 2006-04-18 Nick Clifton <nickc@redhat.com>
6394 * config/sh/t-symbian: Add rule to build sh-c.o
6395 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6396 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6397 (sh_symbian_encode_section_info): Likewise.
6399 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6401 * builtins.c (expand_builtin_strcmp): Cover label definition of
6402 do_libcall with HAVE_cmpstrnsi.
6404 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6406 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6408 * function.h (temp_slot_p): New.
6409 (function): Change the type of x_used_temp_slots to
6410 VEC(temp_slot_p,gc) *.
6412 2006-04-18 Nick Clifton <nickc@redhat.com>
6414 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6415 flag_strength_reduce.
6417 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6419 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6423 Partial revert of revision 112637
6424 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6425 Dale Johannesen <dalej@apple.com>
6428 * regclass.c (struct reg_pref): Update documentation.
6429 (regclass): Set prefclass to NO_REGS if memory is the best option.
6430 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6432 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6434 PR tree-optimization/26821
6435 * tree-ssa-math-opts.c (get_constant_one): New.
6436 (insert_reciprocals): Use it.
6438 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6440 * dwarf2out.c (free_AT): Delete.
6441 (remove_AT): Update string ref counts.
6442 (remove_child_TAG): Don't call free_die.
6444 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6445 or DW_TAG_GNU_EINCL.
6446 (prune_unused_types_walk_attribs): Reset string refcounts.
6447 (prune_unused_types_update_strings): New.
6448 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6449 call free_die. Do call prune_unused_types_update_strings.
6450 (prune_unused_types): Empty debug_str_hash.
6452 2006-04-17 Roger Sayle <roger@eyesopen.com>
6454 * expr.c (expand_assignment): Optimize away no-op moves where the
6455 source and destination are equal and have no side-effects.
6457 2006-04-17 Richard Guenther <rguenther@suse.de>
6460 * reload.c (push_reload): Guard calls to get_secondary_mem
6463 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6465 * alias.c (reg_base_value, old_reg_base_value): Change the
6466 type to VEC(rtx,gc) *.
6467 (REG_BASE_VALUE, find_base_value, record_set,
6468 init_alias_analysis): Use VEC instead of VARRAY.
6470 * alias.c (alias_sets): Change the type to
6471 VEC(alias_set_entry,gc) *.
6472 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6473 VEC instead of VARRAY.
6474 (last_alias_set): Remove.
6476 * cgraph.h (cgraph_edge_p): New.
6477 Update the prototype of cgraph_function_versioning.
6478 * cgraphunit.c (cgraph_copy_node_for_versioning,
6479 cgraph_function_versioning): Use VEC instead of VARRAY.
6480 * ipa-cp.c (ipcp_insert_stage): Likewise.
6482 2006-04-16 Roger Sayle <roger@eyesopen.com>
6485 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6486 "A op B" or "A op C", we may need to convert A to the type of B and C.
6488 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6490 * target.h (struct gcc_target): Add mode_rep_extended.
6491 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6492 (init_num_sign_bit_copies_in_rep): Initialize it using
6494 (truncate_to_mode): Use it.
6495 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6496 * targhooks.h (default_mode_rep_extended): Declare it.
6497 * targhooks.c (default_mode_rep_extended): Define it.
6498 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6499 default_mode_rep_extended.
6500 (TARGET_INITIALIZER): Include it.
6501 * doc/tm.texi (Misc): Document it.
6502 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6503 (mips_truncated_to_mode): New function.
6505 2006-04-16 Roger Sayle <roger@eyesopen.com>
6508 * expr.c (compress_float_constant): Copy the narrow constant into
6509 a new pseudo before extending it to its final width.
6511 2006-04-16 Roger Sayle <roger@eyesopen.com>
6512 Andrew Pinski <pinskia@gcc.gnu.org>
6513 Dale Johannesen <dalej@apple.com>
6516 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6517 special case code to implement V8HImode and V16QImode with SSE2.
6519 2006-04-15 Roger Sayle <roger@eyesopen.com>
6521 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6522 trees are constructed with a suitable tree type.
6524 2006-04-15 Roger Sayle <roger@eyesopen.com>
6526 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6527 (integer_onep): Likewise.
6528 (integer_all_onesp): Likewise.
6529 (integer_pow2p): Likewise.
6530 (integer_nonzerop): Likewise.
6531 (real_zerop): Likewise.
6532 (real_onep): Likewise.
6533 (real_twop): Likewise.
6534 (real_minus_onep): Likewise.
6535 (int_size_in_bytes): Likewise.
6536 (host_integerp): Likewise.
6538 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6540 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6541 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6542 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6544 * tree-ssa-structalias.h (alias_info): Remove num_references.
6546 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6548 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6549 (output_bvb patterns): Likewise.
6550 * pa.c (output_bb): Use 'bb' insn for long branch case.
6551 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6552 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6553 1. Correct length operand for alternatives 1 and 2.
6554 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6555 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6557 2006-04-14 Roger Sayle <roger@eyesopen.com>
6559 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6560 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6561 were accidentally reverted by r112959.
6563 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6566 * except.h (eh_region_outermost): New prototype.
6567 * except.c (eh_region_outermost): New function.
6568 * tree-cfg.c (find_outermost_region_in_block): Use it.
6570 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6572 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6574 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6575 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6576 (init_reload, reload): Use VEC instead of VARRAY.
6577 * reload.h: Update the prototype for
6578 reg_equiv_memory_loc_varray.
6580 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6581 Eric Botcazou <ebotcazou@libertysurf.fr>
6583 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6586 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6589 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6590 to expand fallback builtin function call.
6592 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6595 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6596 and emit libcall here in case the builtin fails.
6597 (expand_builtin_strcmp): Always emit the libcall here on failure.
6599 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6601 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6602 * flow.c (reg_n_info): Change the type to
6603 VEC(reg_info_p,heap) *.
6604 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6606 * regs.h (reg_info_p): New.
6607 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6608 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6609 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6612 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6614 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6616 * params.h (MAX_SCHED_READY_INSNS): New macro.
6617 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6618 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6619 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6620 the ready list for 1 cycle during the first scheduling pass.
6621 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6623 2006-04-13 Richard Henderson <rth@redhat.com>
6626 * gimple-low.c (lower_omp_directive): Remove dead code.
6627 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6628 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6629 * omp-low.c (struct omp_region): Move to tree-flow.h.
6630 (root_omp_region): Export.
6631 (omp_regions, lookup_omp_region): Remove.
6632 (determine_parallel_type): Update for struct omp_region changes.
6633 (dump_omp_region): Dump regions with block numbers.
6634 (new_omp_region): Take type and block instead of stmt; malloc
6636 (free_omp_region_1, free_omp_regions): New.
6637 (expand_parallel_call): Take entry_stmt as argument; update for
6638 changes to omp_region.
6639 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6640 (remove_exit_barriers): New.
6641 (expand_omp_parallel): Update for struct omp_region changes.
6642 (expand_omp_synch): Likewise.
6643 (expand_omp): Likewise.
6644 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6645 (expand_omp_for_static_chunk): Likewise.
6646 (expand_omp_for): Likewise.
6647 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6648 (expand_omp_sections): Similarly, with GOMP_sections_end.
6649 (expand_omp_single): New.
6650 (build_omp_regions_1): Update for OMP_CONTINUE.
6651 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6652 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6653 OMP_SECTIONS_SECTIONS.
6654 (lower_omp_single_simple): Don't emit barrier here.
6655 (lower_omp_single_copy): Likewise.
6656 (lower_omp_single): Fix bindings, and lower to straightline now.
6657 (lower_omp_master, lower_omp_ordered): Likewise.
6658 (lower_omp_critical): Likewise.
6659 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6660 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6661 omp edges, free it afterward.
6662 (make_omp_sections_edges): Remove.
6663 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6664 (move_stmt_r): Handle OMP_CONTINUE.
6665 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6666 statement pointers to basic blocks. Add type member.
6667 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6668 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6669 * tree-inline.c (estimate_num_insns_1): Likewise.
6670 * tree-pretty-print.c (dump_generic_node): Likewise.
6671 * tree-ssa-operands.c (get_expr_operands): Likewise.
6672 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6673 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6674 (OMP_CONTINUE): New.
6675 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6676 (OMP_SECTIONS_SECTIONS): Remove.
6677 (OMP_SECTION_LAST): New.
6678 (OMP_RETURN_NOWAIT): New.
6680 2006-04-13 Roger Sayle <roger@eyesopen.com>
6682 * fold-const.c (native_encode_vector, native_interpret_real):
6683 Correct obvious mistakes in the previous check-in.
6685 2006-04-13 Roger Sayle <roger@eyesopen.com>
6687 * fold-const.c (native_encode_expr): New function to encode
6688 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6689 or VECTOR_CST into a specified buffer.
6690 (native_encode_int): New function.
6691 (native_encode_real): New function.
6692 (native_encode_complex): New function.
6693 (native_encode_vector): New function.
6694 (native_interpret_expr): Inverse of native_encode_expr to convert
6695 a target representation into an INTEGER_CST, REAL_CST etc...
6696 (native_interpret_int): New function.
6697 (native_interpret_real): New function.
6698 (native_interpret_complex): New function.
6699 (native_interpret_vector): New function.
6700 (fold_view_convert_expr): New function to constant fold/evaluate
6701 a VIEW_CONVERT_EXPR of a suitable constant expression.
6702 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6703 Change call of build1 to fold_build1 when constructing a
6706 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6707 Ulrich Weigand <uweigand@de.ibm.com>
6710 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6713 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6716 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6717 optimize to lo_sum for DFmode if !TARGET_FPRS.
6719 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6721 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6722 delete_alias_info, compute_flow_sensitive_aliasing,
6723 group_aliases): Use VEC instead of VARRAY.
6724 * tree-ssa-structalias.c (update_alias_info): Likewise.
6725 * tree-ssa-structalias.h (alias_info): Change the type of
6726 processed_ptrs to VEC(tree,heap) *.
6728 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6731 * config/sh/lib1funcs.h: New file, broken out of:
6732 * config/sh/lib1funcs.asm.
6733 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6735 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6736 * config/sh/lib1funcs-Os-4-200.asm: New file.
6737 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6738 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6739 (EXTRA_MULTILIB_PARTS): Include it.
6740 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6741 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6742 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6743 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6746 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6748 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6749 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6750 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6752 * tree-ssa-live.h: Include vecprim.h.
6753 (tree_partition_associator_d): Change the type of
6754 first_partition to VEC(int,heap) *.
6755 (tpa_first_partition): Use VEC instead of VARRAY.
6757 * Makefile.in (GTFILES): Move functions.h after tree.h.
6758 * function.c (reset_block_changes, record_block_change,
6759 check_block_change, free_block_changes): Use VEC instead of
6761 * function.h (function): Change the type of
6762 ib_boundaries_block to VEC(tree,gc) *.
6763 * tree-inline.c (copy_cfg_body): Initialize
6764 ib_boundaries_block to NULL instead of (varray_type) 0.
6766 2006-04-12 Roger Sayle <roger@eyesopen.com>
6768 * expr.c (emit_group_store): Correct operand order in call to
6769 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6770 a SUBREG_BYTE of zero.
6772 2006-04-12 Richard Guenther <rguenther@suse.de>
6774 * profile.c (compute_branch_probabilities): Remove code
6775 encapsulated in !ir_type (), which are remanents of the
6776 removed RTL profiling code.
6777 * rtl-profile.c: Remove.
6779 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6781 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6782 magic NULL_RTX comment.
6783 (function_arg): Store entire fp arg to mem if any part should go
6785 (rs6000_arg_partial_bytes): Adjust for above change.
6787 2006-04-11 Roger Sayle <roger@eyesopen.com>
6789 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6790 if it hasn't been initialized by dwarf2out_init.
6792 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6794 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6795 symbolic constants in branch patterns.
6797 2006-04-11 Roger Sayle <roger@eyesopen.com>
6799 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6801 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6803 PR rtl-optimization/27073
6804 * gcse.c (try_replace_reg): Revert last change. Continue to search
6805 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6808 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6810 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6811 aggregate types other than record and union types.
6812 (function_arg): Likewise.
6813 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6815 (function_value): In 64-bit mode, return objects that require it
6818 2006-04-11 Roger Sayle <roger@eyesopen.com>
6820 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6822 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6824 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6826 2006-04-03 Jeff Law <law@redhat.com>
6829 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6830 alias information too.
6832 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6834 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6836 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6839 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6840 (premark_used_types_helper): New.
6841 (premark_used_types): New.
6842 (gen_subprogram_die): Call premark_used_types.
6843 (prune_unused_types_walk): Do not prune perennial dies.
6844 * function.c (used_types_insert): New.
6845 * function.h (struct function): Add used_types_hash field.
6846 (used_types_insert): Add prototype.
6847 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6848 * c-parser.c (c_parser_cast_expression): Save casted types in used
6851 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6854 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6855 rs6000_explicit_options.float_gprs.
6857 2006-04-10 Roger Sayle <roger@eyesopen.com>
6859 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6860 from ix86_expand_vector_init_low_nonzero. Take an additional
6861 one_var argument indicating which element is non-zero. Support
6862 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6863 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6864 with one_var instead of ix86_expand_vector_init_low_nonzero.
6866 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6868 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6869 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6870 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6871 build/genextract.o): Depend on vecprim.h.
6872 * cfglayout.c, df-problems.c, function.c, genextract.c,
6873 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6874 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6878 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6880 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6881 Declare VECs of this type.
6882 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6883 (remove_children): Delete.
6884 (add_dwarf_attr): Use VEC routines.
6885 (add_AT_flag): Update for changes to add_dwarf_attr.
6886 (add_AT_int): Likewise.
6887 (add_AT_unsigned): Likewise.
6888 (add_AT_long_long): Likewise.
6889 (add_AT_vec): Likewise.
6890 (add_AT_string): Likewise.
6891 (add_AT_die_ref): Likewise.
6892 (add_AT_fde_ref): Likewise.
6893 (add_AT_loc): Likewise.
6894 (add_AT_loc_list): Likewise.
6895 (add_AT_addr): Likewise.
6896 (add_AT_lbl_id): Likewise.
6897 (add_AT_lineptr): Likewise.
6898 (add_AT_macptr): Likewise.
6899 (add_AT_offset): Likewise.
6900 (add_AT_range_list): Likewise.
6901 (get_AT): Use VEC_iterate.
6902 (remove_AT): Use VEC_ordered_remove.
6903 (free_die): Fold remove_children into here; have it use VEC_iterate.
6904 (print_die): Use VEC_iterate on attrs.
6905 (reverse_die_lists): Don't reverse attr lists.
6906 (die_checksum): Use VEC_iterate on attrs.
6907 (same_die_p): Likewise.
6908 (output_location_lists): Likewise.
6909 (build_abbrev_table): Likewise.
6910 (size_of_die): Likewise.
6911 (unmark_all_dies): Likewise.
6912 (output_abbrev_section): Likewise.
6913 (output_die): Likewise.
6914 (prune_unused_types_walk_attribs): Likewise.
6916 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6918 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6920 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6923 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6925 2006-04-09 Roger Sayle <roger@eyesopen.com>
6927 * expr.c (store_constructor): Don't bother clearing target if
6928 we're about to assign a vector to it using vec_init_optab.
6930 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6932 * tree-ssa-alias.c (lhs_may_store_to): New function.
6933 (recalculate_used_alone): Handle LHS of calls.
6935 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6939 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6940 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6941 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6942 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6943 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6944 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6945 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6946 stubs. Add ".align 8" directives before all ".dword" directives.
6947 (GTHREAD_USE_WEAK): Revise comment.
6948 (TARGET_ATTRIBUTE_WEAK): Define.
6949 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6950 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6951 * stublib.c: New file.
6956 * pa.md (cbranch patterns): Revise arguments used in calls to
6957 output_cbranch, output_bb and output_bvd. Add long branch length
6959 (fbranch patterns): Handle long branches.
6960 (jump): Revise length check. Revise arguments for output_lbranch call.
6961 Add long branch length attributes.
6962 (decrement_and_branch_until_zero): Add long branch length attributes.
6963 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6964 Likewise. Revise arguments for output_parallel_addb and
6965 output_parallel_movb calls.
6966 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6967 output_parallel_movb and output_parallel_addb): Update prototypes.
6968 * pa.c (output_cbranch): Revise arguments. Correct handling of
6969 nullification in long branches.
6970 (output_lbranch): Add new argument to control extraction of delay
6972 (output_bb): Handle long branches.
6973 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6974 output_parallel_addb): Likewise.
6976 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6978 PR rtl-optimization/27073
6979 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6982 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6984 * tree.h (tree_memory_tag): Add old_used_alone.
6985 (SMT_OLD_USED_ALONE): New macro.
6986 * tree-ssa-alias.c (recalculate_used_alone): Stop
6987 marking things for renaming unnecessarily.
6989 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6991 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6992 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6993 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6994 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6995 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6996 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6997 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6998 spelling convensions.
6999 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7000 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7001 typos. Follow spelling conventions.
7003 2006-04-07 DJ Delorie <dj@redhat.com>
7005 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7006 passed on the stack.
7007 (m32c_init_cumulative_args): When a function returns a structure,
7008 always pass the pointer to that return area on the stack.
7009 (m32c_function_arg_advance): Don't increment the parameter number
7010 if we're processing the returned structure pointer.
7011 (pushm_info): Reverse order of registers.
7013 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7015 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7016 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7017 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7018 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7020 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7021 chrec_fold_multiply): Same.
7022 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7023 force_expr_to_var_cost): Same.
7024 * tree-mudflap.c (mf_xform_derefs_1): Same.
7025 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7027 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7029 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7030 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7033 2006-04-07 Jan Hubicka <jh@suse.cz>
7035 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7037 2006-04-07 Richard Guenther <rguenther@suse.de>
7039 PR tree-optimization/26135
7040 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7041 loads for store copy-prop.
7042 (copy_prop_visit_stmt): Likewise.
7044 2006-04-05 Robert Millan <robertmh@gnu.org>
7046 * config/i386/linux.h: Add a comment to mark macros that are
7047 being overriden in config/k*bsd-gnu.h.
7048 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7050 * config/knetbsd-gnu.h: Ditto.
7052 2006-04-06 Jan Hubicka <jh@suse.cz>
7056 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7059 2006-04-06 Mike Stump <mrs@apple.com>
7061 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7062 for HAVE_nonlocal_goto to be consistent.
7063 (expand_builtin_nonlocal_goto): Likewise.
7064 (expand_builtin_strcmp): Use #ifdef instead of #if
7065 for HAVE_cmpstrnsi to be consistent.
7067 2006-04-05 DJ Delorie <dj@redhat.com>
7069 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7072 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7074 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7075 got-relative addressing for anything but SImode.
7077 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7078 even if the calling function doesn't modify them.
7080 2006-04-05 Richard Guenther <rguenther@suse.de>
7082 PR tree-optimization/26919
7083 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7084 to cgraph_estimate_size_after_inlining.
7086 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7088 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7090 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7092 PR tree-optimization/26996
7093 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7094 VECTOR_TYPE variables.
7096 2006-04-05 Richard Guenther <rguenther@suse.de>
7098 PR tree-optimization/26763
7099 * fold-const.c (fold_comparison): Move folding of
7100 PTR + CST CMP PTR + CST ...
7101 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7103 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7105 * doc/install.texi (Prerequisites): Refine some wording on
7106 bootstrapping and ksh.
7107 Move the version numbers of DejaGnu here from the testing section
7108 and fix casing of names.
7109 Fix markup and clarify wording for autogen requirements.
7110 Refer to GCJ instead of just java.
7111 Refer to SVN instead of CVS.
7112 Describe diffutils as useful instead of necessary.
7113 (Downloading the source): Refer to SVN instead of CVS.
7114 Adjust a link to our web site accordingly.
7115 (Configuration): Fix casing of Bison.
7116 (Building): Refer to SVN instead of CVS.
7117 Fix a sentence on the use of Bison and remove duplicate (and
7118 incorrect) version number of Bison requirement.
7119 Remove one redundant list of packages needed for building.
7120 (Specific): Avoid reference to CVS.
7122 2006-04-04 Eric Christopher <echristo@apple.com>
7124 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7125 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7126 (rs6000_handle_struct_attribute): New.
7127 (rs6000_ms_bitfield_layout_p): Ditto.
7129 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7131 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7132 NULL for dso parameter to atexit_common.
7134 2006-04-04 Eric Christopher <echristo@apple.com>
7136 * config/i386/i386.c (machopic_output_stub): Output \t
7137 between instructions and operands.
7139 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7141 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7142 satisfies_constraint_[IL] to explicit tests on value.
7144 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7146 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7147 set_nb_iterations_in_loop): Use build_int_cst instead of
7149 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7150 build_int_cst instead of convert.
7152 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7154 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7155 new value 2 for incoming.
7156 * function.c (expand_function_start): Call struct_value_rtx
7158 * config/sparc/sparc.md: Comment updated_return.
7159 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7160 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7161 struct return if sparc_std_struct_return and incoming is 2.
7162 (print_operand): Do not adjust return if
7163 sparc_std_struct_return.
7165 2006-04-04 Roger Sayle <roger@eyesopen.com>
7167 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7168 convert in the middle-end.
7169 * expr.c (store_expr, store_constructor, get_inner_reference,
7170 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7172 * tree.c (build_range_type): Likewise.
7174 2006-04-04 Tom Tromey <tromey@redhat.com>
7176 * doc/install.texi (Prerequisites): Mention jar.
7178 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7180 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7183 2006-04-04 Matthias Klose <doko@debian.org>
7185 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7189 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7192 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7194 * doc/extend.texi (Function Attributes): Rewrite visibility
7195 attribute documentation.
7196 * doc/invoke.texi (C++ Dialect Options): Rewrite
7197 -fvisibility-inlines-hidden documentation to describe something
7198 entirely different, although in practise compatible.
7199 (Code Gen Options): Warn about system headers in -fvisibility=
7202 * doc/extend.texi (Other Builtins): Document that
7203 __builtin_nan is a compile-time constant only when its argument
7206 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7208 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7209 trying to remove TRUNCATE check if all bits outside the new mode
7210 are identical to the sign bit.
7212 2006-04-03 Jeff Law <law@redhat.com>
7214 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7215 and operand scanning in some common cases.
7217 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7218 Dale Johannesen <dalej@apple.com>
7221 * regclass.c (struct reg_pref): Update documentation.
7222 (regclass): Set prefclass to NO_REGS if memory is the best option.
7223 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7224 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7225 into account. For non-registers, equate an empty preferred
7226 reload class to a `!' in the constraint; move the if clause to
7227 do so after those that reject the insn.
7228 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7230 (find_dummy_reload): Likewise.
7231 * doc/tm.texi (Register Classes): Document what it means
7232 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7233 * config/i386/i386.c (ix86_preferred_reload_class): Force
7234 using SSE registers (and return NO_REGS for floating-point
7235 constants) if math is done with SSE.
7236 (ix86_preferred_output_reload_class): New.
7237 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7238 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7239 * config/i386/i386.md: Remove # register preferences.
7241 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7244 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7245 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7246 the type of nb_iter.
7247 (instantiate_parameters_1): Convert the operands before calling
7248 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7249 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7251 2006-04-02 Roger Sayle <roger@eyesopen.com>
7253 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7254 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7256 * dojump.c (do_jump): Likewise.
7257 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7258 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7259 gimplify_boolean_expr): Likewise.
7260 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7261 * varasm.c (array_size_for_constructor): Likewise.
7262 * tree-object-size.c (compute_object_offset): Likewise.
7264 2006-04-02 Roger Sayle <roger@eyesopen.com>
7267 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7268 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7270 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7272 PR tree-optimization/26939
7273 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7275 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7277 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7278 at_stmt. Convert the type of operands before calling
7279 build_polynomial_chrec.
7280 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7282 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7283 (instantiate_parameters_1): Convert the type of operands before calling
7284 build_polynomial_chrec.
7285 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7286 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7287 reset_evolution_in_loop): Insert asserts to check the types of the
7289 (chrec_type): Moved...
7290 (eq_evolutions_p): Use operand_equal_p.
7291 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7292 the types of the operands.
7293 (chrec_type): ...here.
7294 * tree-data-ref.c (create_data_ref): Convert the operands before
7295 calling chrec_replace_initial_condition.
7296 (same_access_functions, analyze_subscript_affine_affine,
7297 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7298 (compute_subscript_distance, analyze_ziv_subscript,
7299 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7300 analyze_miv_subscript): Convert the operands before calling
7301 chrec_fold_minus or chrec_fold_plus.
7303 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7305 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7306 the dependence_relations vector.
7307 (compute_data_dependences_for_loop): Adjust call to
7308 compute_all_dependences.
7310 2006-04-01 Roger Sayle <roger@eyesopen.com>
7311 Richard Henderson <rth@redhat.com>
7313 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7314 gimple_boolify on the condition before calling gimplify_expr.
7316 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7318 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7319 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7320 the frame size. Update to use the new macros.
7321 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7322 * config/xtensa/ieee754-df.S: Likewise.
7324 2006-03-31 Richard Henderson <rth@redhat.com>
7326 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7327 (make_edges): ... here. Control fallthru creation with a local
7328 variable. Do not play with fake edges.
7329 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7330 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7333 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7335 * dwarf2.h (DW64_CIE_ID): Define.
7336 * dwarf2out.c (DWARF_CIE_ID): Define.
7337 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7338 length header. Use DWARF_CIE_ID.
7339 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7340 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7342 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7344 * config/sh/linux-atomic.asm: New file.
7345 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7347 2006-03-31 DJ Delorie <dj@redhat.com>
7349 * config/m32c/cond.md: Set condition flags properly throughout.
7350 * config/m32c/minmax.md: Likewise.
7351 * config/m32c/prologue.md: Likewise.
7352 * config/m32c/bitops.md: Likewise.
7353 * config/m32c/muldiv.md: Likewise.
7354 * config/m32c/mov.md: Likewise.
7355 * config/m32c/addsub.md: Likewise.
7356 * config/m32c/m32c.md: Likewise.
7357 * config/m32c/jump.md: Likewise.
7358 * config/m32c/shift.md: Likewise.
7360 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7361 conditionally output the pattern for this.
7362 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7363 (m32c_compare_redundant): New.
7364 (m32c_output_compare): New.
7365 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7367 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7368 dest, not src. Allow other 4-byte modes.
7370 2006-03-30 Denis Chertykov <denisc@overta.ru>
7372 * doc/md.texi: Refer to avr/constraints.md instead of
7375 2006-03-30 Roger Sayle <roger@eyesopen.com>
7377 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7378 signed vs. unsigned comparison failures on some hosts.
7380 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7383 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7384 change to FLOAT_REGS.
7386 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7387 (rs6000_override_options): Use it.
7388 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7389 only for -mabi=spe/no-spe and -mabi=altivec.
7391 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7393 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7396 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7398 * Makefile.in: Rename docdir to gcc_docdir.
7400 2006-03-30 Roger Sayle <roger@eyesopen.com>
7403 * expr.c (emit_group_store): Optimize group stores into a pseudo
7404 register by using a paradoxical subreg to initialize the destination
7405 if the first or last member of the group specifies a "low part".
7407 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7410 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7411 * target.h (struct gcc_target.speculate_insn): Change type of the
7412 second parameter to 'int'.
7413 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7414 the second operand of the DEPS_LIST.
7415 (copy_DEPS_LIST_list): Update reference to the second operand of the
7417 * rtl.h (alloc_DEPS_LIST): Update signature.
7418 * sched-int.h (ds_t): Change typedef to 'int'.
7419 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7421 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7423 * haifa-sched.c (try_ready): Change condition to restore
7424 non-speculative pattern of the instruction.
7425 (process_insn_depend_be_in_spec): Code to keep probability of the
7426 speculative dependence non-decreasing.
7428 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7430 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7431 (single_move_for_movmem): ... this. Also change all uses.
7432 (bfin_expand_strmov): Renamed to...
7433 (bfin_expand_movmem): ... this. Also change all uses.
7434 * config/bfin/bfin.md (movstrsi): Renamed to...
7435 (movstrsi): ...this.
7437 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7439 PR tree-optimization/26830
7441 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7442 (copy_prop_visit_stmt): Remove write-only variable ann.
7443 (init_copy_prop): Check variable loop depth here. Do not simulate
7444 memory-tag and virtual operand PHIs except for store copy prop.
7446 2006-03-30 Richard Guenther <rguenther@suse.de>
7448 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7449 variants with double arguments.
7451 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7453 * genpreds.c (write_tm_constrs_h): Delete variable p.
7454 * genconditions.c (write_header): Add tm-constrs.h to included
7456 * genpeep.c (main): Add toplev.h to included headers.
7457 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7458 (build/genpeep.o): Add toplev.h dependency.
7459 * config/rs6000/constraints.md: Add "W" constraint.
7461 2006-03-29 Roger Sayle <roger@eyesopen.com>
7463 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7464 sizes by correctly testing whether the size fits a host integer.
7465 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7466 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7467 SImode range for the default sizetype and bitsizetype.
7469 2006-03-29 Roger Sayle <roger@eyesopen.com>
7471 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7472 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7473 quickly if the argument is already of the correct type.
7474 Call fold_build1 instead of build1. Tidy up blank lines.
7476 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7478 * genemit.c (main): Add tm-constrs.h to included headers.
7479 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7480 * genpeep.c (main): Add tm-constrs.h to included headers.
7481 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7482 (write_tm_constrs_h): this and write complete file.
7483 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7484 (write_insn_preds_c): Add tm-constrs.h to included headers.
7485 (gen_constrs): New variable.
7486 (parse_option): Parse "-c".
7487 (main): Invoke write_tm_constrs_h.
7488 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7489 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7490 (object_out_file): Add tm-constrs.h dependency.
7491 (insn-emit.o): Same.
7492 (insn-output.o): Same.
7493 (insn-peep.o): Same.
7494 (insn-preds.o): Same.
7495 (insn-recog.o): Same.
7496 (tm-constsr.h): New target.
7497 (s-constrs-h): New target.
7499 * config/rs6000/constraints.md: New file.
7500 * config/rs6000/rs6000.c: Include tm-constrs.h.
7501 (num_insn_constant_wide): Convert to satisfies_constraint.
7502 (rs6000_rtx_costs): Convert to satisfies_constraint.
7503 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7504 (CONST_OK_FOR_LETTER_P): Delete.
7505 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7506 (EXTRA_CONSTRAINT): Delete.
7507 (EXTRA_MEMORY_CONSTRAINT): Delete.
7508 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7509 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7510 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7511 satisfies_constraint.
7513 * config/i386/i386.c: Include tm-constrs.h.
7515 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7517 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7518 * tree-data-ref.c (find_data_references_in_loop,
7519 compute_data_dependences_for_loop): Use pointers to VEC.
7520 (analyze_all_data_dependences): Adjust calls.
7521 * tree-data-ref.h (find_data_references_in_loop,
7522 compute_data_dependences_for_loop): Adjust declarations.
7523 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7524 compute_data_dependences_for_loop.
7526 2006-03-29 Paul Brook <paul@codesourcery.com>
7528 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7531 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7533 PR tree-optimization/26859
7534 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7536 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7537 for the step after fold_convert.
7539 2006-03-29 Paul Brook <paul@codesourcery.com>
7541 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7542 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7544 2006-03-29 Paul Brook <paul@codesourcery.com>
7547 * targhooks.c (default_narrow_bitfield): New fuction.
7548 * targhooks.h (default_narrow_bitfield): add prototype.
7549 * target.h (gcc_target): Add narrow_volatile_bitfield.
7550 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7551 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7552 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7553 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7555 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7557 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7559 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7560 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7561 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7562 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7563 (s390_function_arg_float): Allow SDmode and DDmode values to be
7564 passed in floating point registers.
7565 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7566 check with SCALAR_FLOAT_MODE_P.
7567 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7569 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7571 PR tree-optimization/25985
7572 * tree-ssa-loop-niter.c (number_of_iterations_le,
7573 number_of_iterations_ne): Make comments more precise.
7574 (number_of_iterations_cond): Add only_exit argument. Use the
7575 fact that signed variables do not overflow only when only_exit
7577 (loop_only_exit_p): New.
7578 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7579 number_of_iterations_cond.
7581 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7583 PR tree-optimization/26643
7584 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7587 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7589 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7590 (divsi3_i4_int): Likewise.
7592 2006-03-28 Roger Sayle <roger@eyesopen.com>
7594 * expr.c (emit_group_store): Only create a new pseudo reg if the
7595 quantity it needs to hold isn't already a suitable pseudo.
7597 2006-03-28 Jeff Law <law@redhat.com>
7599 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7600 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7602 2006-03-28 Roger Sayle <roger@eyesopen.com>
7604 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7605 the equivalent ~X & Y, and the symmetry related transformations.
7606 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7607 ~X & Y, and symmetry related transforms.
7609 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7611 Revert my 2006-03-27 patches.
7613 2006-03-28 Roger Sayle <roger@eyesopen.com>
7615 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7616 ~(T1)X, when T1 and T2 are integer types of the same precision
7617 and (T2)X isn't an extension.
7619 2006-03-28 Jeff Law <law@redhat.com>
7621 PR tree-optimization/26796
7622 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7623 need EH edge cleanups rather than purging them immediately.
7624 (eliminate_degenerate_phis): Handle queued EH cleanups.
7626 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7628 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7631 2006-03-27 Roger Sayle <roger@eyesopen.com>
7634 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7635 cast BIT_NOT_EXPR operand to the correct type.
7637 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7639 * tree-loop-linear.c: Don't include varray.h.
7640 (gather_interchange_stats, try_interchange_loops,
7641 linear_transform_loops): Use VEC instead of VARRAY.
7642 * lambda-mat.c: Don't include varray.h.
7643 * tree-chrec.c: Same.
7644 * lambda-trans.c: Same.
7645 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7646 VEC instead of VARRAY.
7647 * tree-vectorizer.h: Idem.
7648 * tree-data-ref.c (dump_data_references,
7649 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7650 initialize_data_dependence_relation, finalize_ddr_dependent,
7651 compute_all_dependences, find_data_references_in_loop,
7652 compute_data_dependences_for_loop, analyze_all_data_dependences,
7653 free_dependence_relation, free_dependence_relations,
7654 free_data_refs): Idem.
7655 * tree-data-ref.h (data_reference_p, subscript_p): New.
7656 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7657 VEC instead of VARRAY.
7658 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7659 (find_data_references_in_loop, compute_data_dependences_for_loop,
7660 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7661 dump_data_dependence_relations, free_dependence_relations,
7662 free_data_refs): Adjust declaration.
7663 (lambda_transform_legal_p): Move declaration here...
7664 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7665 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7666 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7667 vect_analyze_data_refs): Use VEC instead of VARRAY.
7668 * lambda.h (lambda_transform_legal_p): ...from here.
7669 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7670 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7671 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7672 tree-chrec.o): Don't depend on VARRAY_H.
7674 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7676 * rtl.def (Copyright): Update date.
7677 (DEPS_LIST): Change type of the second operand to 'int'.
7678 * target.h (Copyright): Update date.
7679 (struct gcc_target.speculate_insn): Change type of the second parameter
7681 * lists.c (Copyright): Update date.
7682 (alloc_DEPS_LIST): Change signature. Update reference to the second
7683 operand of the DEPS_LIST.
7684 (copy_DEPS_LIST_list): Update reference to the second operand of the
7686 * rtl.h (Copyright): Update date.
7687 (alloc_DEPS_LIST): Update signature.
7688 * sched-int.h (Copyright): Update date.
7689 (ds_t): Change typedef to 'int'.
7690 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7692 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7694 * haifa-sched.c (Copyright): Update date.
7695 (try_ready): Change condition to restore non-speculative pattern
7697 (process_insn_depend_be_in_spec): Code to keep probability of the
7698 speculative dependence non-decreasing.
7700 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7702 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7703 shut up the compiler.
7705 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7707 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7708 to use lib prefix for target.
7709 ($(T)libic_invalidate_array_4-200.a): Likewise.
7710 ($(T)libic_invalidate_array_4a.a): Likewise.
7712 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7713 J"orn Rennecke <joern.rennecke@st.com>
7715 * superh.opt: New file.
7716 * sh.c (boardtype, osruntime): Remove.
7717 * superh.h (SUBTARGET_OPTIONS): Remove.
7718 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7720 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7721 arguments with ^ and/or [].
7723 * config.gcc (sh-*-*): Add quoting to account for quirk of
7725 Replace == with = in enable_incomplete_targets test.
7727 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7728 with MASK_LITTLE_ENDIAN.
7730 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7731 * config/sh/sh.opt: Added to some comments.
7732 * config/sh/superh.h: Removed some chaff.
7734 * config/sh/sh.opt: Add m4-[1234]00* options.
7735 * config/sh/sh.c (sh_handle_option): Likewise.
7736 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7737 (ic_invalidate_array_4-100.o): New rule.
7738 ($(T)libic_invalidate_array_4-100.a): Likewise.
7739 (ic_invalidate_array_4-200.o): Likewise.
7740 ($(T)libic_invalidate_array_4-200.a): Likewise.
7741 (ic_invalidate_array_4a.o): Likewise.
7742 ($(T)libic_invalidate_array_4a.a): Likewise.
7743 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7744 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7746 * config/sh/crt1.asm: Merged in profiling code.
7747 * config/sh/superh.h (STARTFILE_SPEC): Override.
7748 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7749 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7750 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7752 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7753 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7754 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7756 * sh.opt (mpretend-cmove): New option.
7757 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7758 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7759 (movsicc): Add TARGET_PRETEND_CMOVE code.
7761 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7763 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7764 s390_class_max_nregs): New function prototypes.
7765 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7766 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7767 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7768 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7770 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7772 * dwarf2out.c (add_location_or_const_value_attribute): Call
7773 tree_add_const_value_attribute if nothing else works.
7774 (reference_to_unused): New.
7775 (rtl_for_decl_init): Use reference_to_unused to decide whether
7776 to output an initializer.
7778 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7781 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7782 peephole removing spe frob_di_df_2.
7784 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7786 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7787 (subscript_dependence_tester_1): Declared.
7788 (print_dir_vectors, print_dist_vectors): New.
7789 (debug_data_dependence_relation): New.
7790 (dump_data_dependence_relation): Print more details.
7791 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7792 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7793 (save_dist_v, save_dir_v, add_outer_distances,
7794 build_classic_dist_vector_1): New.
7795 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7796 Don't test for lambda_vector_lexico_pos.
7797 (same_access_functions, add_multivariate_self_dist,
7798 add_other_self_distances, dir_from_dist): New.
7799 (build_classic_dir_vector): Replace implementation almost identical to
7800 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7802 (subscript_dependence_tester_1): New.
7803 (subscript_dependence_tester): Handle the lexicographically negative
7804 distance vectors by recomputing the dependence relation.
7805 (compute_affine_dependence): Remove parameter loop_nest_depth.
7806 (compute_self_dependence): Don't call compute_subscript_distance.
7807 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7808 Add a parameter for the loop_nest.
7809 (find_loop_nest_1, find_loop_nest): New.
7810 (compute_data_dependences_for_loop): Compute the loop nest, and give
7811 up if the nest is not well formed.
7812 * tree-data-ref.h (loop_p): New.
7813 (struct data_dependence_relation): Replace size_vect field with
7814 loop_nest, a vec of loops.
7815 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7816 (DDR_LOOP_NEST): New.
7817 (print_dir_vectors, print_dist_vectors,
7818 debug_data_dependence_relation): Declared.
7819 (index_in_loop_nest): New.
7820 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7821 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7824 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7826 * simplify-rtx.c (simplify_relational_operation): Call
7827 simplify_relational_operation_1 even if mode is VOIDmode.
7829 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7831 PR tree-optimization/26804
7832 * tree.h (DECL_CALL_CLOBBERED): New macro.
7833 (tree_decl_common): Add call_clobbered_flag.
7834 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7835 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7836 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7837 (mark_non_addressable): Ditto.
7838 * tree-ssa.c (verify_call_clobbered): New function.
7839 (verify_alias_info): Use it.
7840 * tree-pass.h (pass_reset_cc_flags): New prototype.
7841 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7842 (reset_cc_flags): New function.
7843 * passes.c (init_optimization_passes): Call reset_cc_flags after
7844 initializing referenced_vars.
7846 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7847 Roger Sayle <roger@eyesopen.com>
7850 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7851 to 1.0 for non-real operands. Implement A / A optimization for
7854 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7856 * config/i386/i386.c (size_cost): Correct the comment for
7857 cost of storing fp registers.
7858 (i386_cost): Likewise.
7859 (i486_cost): Likewise.
7860 (pentium_cost): Likewise.
7861 (pentiumpro_cost): Likewise.
7862 (k6_cost): Likewise.
7863 (athlon_cost): Likewise.
7864 (k8_cost): Likewise.
7865 (pentium4_cost): Likewise.
7866 (nocona_cost): Likewise.
7867 (generic64_cost): Likewise.
7868 (generic32_cost): Likewise.
7870 2006-03-24 Denis Chertykov <denisc@overta.ru>
7872 * config/avr/avr-protos.h (extra_constraint): Delete.
7873 (extra_constraint_Q): New declaration.
7874 * config/avr/constraints.md: New file.
7875 * config/avr/avr.md: Include it.
7876 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7877 (TMP_REGNO, ZERO_REGNO): Likewise.
7878 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7879 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7880 (extra_constraint): Delete.
7881 (extra_constraint_Q): Test for memory constraint 'Q'.
7882 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7883 (REG_CLASS_FROM_LETTER): Delete.
7884 (CONST_OK_FOR_LETTER_P): Delete.
7885 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7886 (EXTRA_CONSTRAINT): Delete.
7887 (TMP_REGNO): Delete.
7888 (ZERO_REGNO): Delete.
7890 2006-03-24 Jeff Law <law@redhat.com>
7892 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7893 directly. Call mark_new_vars_to_rename slightly earlier.
7895 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7897 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7899 (gen_compile_unit_die): Use new language types for Objective-C and
7901 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7902 DW_LANG_C_plus_plus.
7905 * config/t-darwin (crt3.o): Work around bug 26840.
7906 * config/darwin-crt3.c: Rewrite.
7907 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7909 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7911 * doc/invoke.texi: Document -femit-class-debug-always
7912 * common.opt: Add -femit-class-debug-always.
7914 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7916 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7917 index and base register.
7918 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7919 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7920 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7921 REGNO_OK_FOR_INDEX_P.
7922 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7924 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7925 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7926 REG_OK_FOR_BASE_P): Definitions removed.
7928 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7931 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7932 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7933 set yet or weren't marked as local yet.
7935 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7937 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7940 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7942 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7943 (rs6000_legitimate_small_data_p): Delete.
7944 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7945 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7946 and make static. Add forward declaration. Update uses.
7947 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7948 of offsettable_memref_p.
7949 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7950 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7952 2006-03-24 Jeff Law <law@redhat.com>
7954 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7955 around bug in immediate-use iterator.
7957 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7960 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7961 or __LITTLE_ENDIAN__.
7963 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7965 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7966 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7967 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7968 * config/sh/sh.opt (mdiv=): Amend description.
7969 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7970 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7971 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7972 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7973 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7974 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7975 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7976 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7977 TARGET_DIVIDE_CALL_FP.
7979 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7981 * haifa-sched.c (choose_ready): Fix type of the local variable.
7982 Move local variables. Add comment.
7983 (check_reg_live): Change signature. Make callable from debugger.
7984 * sched-int.h (check_reg_live): Update signature.
7985 * sched-ebb.c (check_reg_live): Update parameters.
7986 * sched-rgn.c (check_reg_live): Ditto.
7987 (region_head_or_leaf_p): Check pointer before dereferencing.
7988 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7989 before reload on optimization levels below 1.
7991 2006-03-23 Richard Henderson <rth@redhat.com>
7993 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7997 * config/alpha/predicates.md (local_symbolic_operand): Reject
8000 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8003 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8004 expressions which have overflowed constants.
8006 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8008 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8010 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8012 * cfgloopmanip.c (create_loop_notes): Removed.
8013 * final.c (final_scan_insn): Do not handle loop notes.
8014 * jump.c (squeeze_notes): Ditto.
8015 * cfglayout.c (skip_insns_after_block,
8016 duplicate_insn_chain): Ditto.
8017 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8019 * cfgloop.h (create_loop_notes): Declaration removed.
8021 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8023 * varasm.c (output_constant_pool): Restore fnname and fndecl
8025 (assemble_start_function): Adjust call accordingly.
8026 (assemble_end_function): Likewise.
8028 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8031 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8034 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8036 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8039 * system.h (ICE_EXIT_CODE): New macro.
8040 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8041 (diagnostic_action_after_output): Likewise.
8042 * gcc.c (fatal_ice): New function.
8043 (execute): Use it instead of fatal.
8044 (fancy_abort): Likewise.
8045 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8047 2006-03-22 Jeff Law <law@redhat.com>
8049 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8050 iv_analyze_result returning false.
8052 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8054 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8056 2006-03-22 Richard Henderson <rth@redhat.com>
8059 * except.c (duplicate_eh_regions_0): New.
8060 (duplicate_eh_region_1): Duplicate the children of the node as
8061 well as the node itself. Link them up properly.
8062 (duplicate_eh_region_2): Merge into ...
8063 (duplicate_eh_regions): ... here. Take copy_region argument, and
8064 copy only a sub-tree if asked. Simplify copying and fixup.
8065 (eh_region_outer_p): New.
8066 * except.h (duplicate_eh_regions): Update decl.
8067 (eh_region_outer_p): Declare.
8068 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8069 (lower_omp_master): Likewise.
8070 (lower_omp_ordered): Likewise.
8071 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8072 (move_stmt_r): Use it to remap labels. Handle recursion vs
8073 remap_decls_p properly.
8074 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8075 (find_outermost_region_in_block): New.
8076 (new_label_mapper): New.
8077 (move_sese_region_to_fn): Copy eh information to the new function
8079 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8081 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8084 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8086 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8087 into shared libraries.
8089 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8091 * doc/md.texi: Refer to i386/constraints.md instead of
8093 * config/i386/constraints.md: New file, extracted from...
8094 * config/i386/predicates.md: ...here.
8095 * config/i386/i386.md: Include constraints.md.
8097 2006-03-21 Jason Merrill <jason@redhat.com>
8099 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8102 * expr.c (init_block_move_fn): Force default visibility.
8103 (init_block_clear_fn): Likewise.
8104 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8105 * targhooks.c (default_external_stack_protect_fail): Likewise.
8107 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8109 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8110 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8111 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8112 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8113 (loadgp): Use mips_current_loadgp_style.
8114 (loadgp_noshared): New pattern.
8115 (sibcall_internal): Use MIPS_CALL.
8116 (sibcall_value_internal): Likewise.
8117 (sibcall_value_multiple_internal): Likewise.
8118 (call_internal): Likewise.
8119 (call_value_internal): Likewise.
8120 (call_value_multiple_internal): Likewise.
8121 (call_split): Use MIPS_CALL and add an 'S' constraint.
8122 (call_value_split): Likewise.
8123 (call_value_multiple_split): Likewise.
8124 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8125 (-mshared): New option.
8126 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8127 (mips_current_loadgp_style): Declare.
8128 * config/mips/mips.c (mips_classify_symbol): Avoid using
8129 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8130 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8131 TARGET_ABSOLUTE_ABICALLS.
8132 (override_options): Adjust comments. Improve the warning that is
8133 issued when -mabicalls and -G are used together.
8134 (mips_file_start): Remove comment.
8135 (mips_current_loadgp_style): New function.
8136 (mips_gnu_local_gp): New variable.
8137 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8139 (mips_output_function_prologue): Use mips_current_laodgp_style.
8140 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8141 the cprestore instruction.
8142 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8143 live for TARGET_ABSOLUTE_ABICALLS.
8144 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8145 (ASM_SPEC): Pass down -mshared and -mno-shared.
8146 (MIPS_CALL): New macro.
8147 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8149 * doc/invoke.texi (-mabicalls): Update documentation.
8150 (-mshared): Document.
8152 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8154 * config/ia64/unwind-hpux.c: New file.
8155 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8157 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8160 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8162 2006-03-21 Jeff Law <law@redhat.com>
8164 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8165 type conversions of a VR_VARYING source to a wider type.
8167 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8169 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8170 tm_file on Solaris 10 and later.
8171 (sparc64-*-solaris2*): Likewise.
8172 (sparc-*-solaris2*): Likewise.
8173 * config/sol26.h: Rename to config/sol2-6.h.
8174 * config/sol2-10.h: New file.
8176 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8179 * tree-ssa-pre.c (create_component_ref_by_pieces):
8182 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8185 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8186 return it immediately.
8188 2006-03-21 Michael Matz <matz@suse.de>
8190 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8192 (remove_arc, add_arc): Update num_out_arcs member.
8193 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8195 (cache_presence): New function.
8196 (compare_states_for_equiv): New function.
8197 (state_is_differed): Don't take number of outargs, adjust callers.
8198 Use new invariant for speeding up.
8199 (init_equiv_class): Create initial classes based on sorted
8201 (partition_equiv_class): Don't track out_arcs_num.
8202 (evaluate_equiv_classes): Call cache_presence on all states and
8205 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8207 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8208 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8209 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8210 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8212 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8213 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8214 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8215 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8216 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8218 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8219 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8220 (REGNO_REG_CLASS): ARGP is in PREGS.
8221 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8223 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8224 to deal with those addresses.
8225 * addresses.h: New file.
8226 * caller-save.c: Include "addresses.h".
8227 (init_caller_save): Use new base_reg_class function.
8228 * rtl-factoring.c: Include "addresses.h".
8229 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8230 * recog.c: Include "addresses.h".
8231 (preprocess_constraints): Use new base_reg_class function.
8232 * regrename.c: Include "addresses.h".
8233 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8234 functions. Keep track of a new var INDEX_CODE to compute valid
8236 (replace_oldest_value_addr): Likewise.
8237 (replace_oldest_value_mem): Use base_reg_class.
8238 * reload.c: Include "addresses.h".
8239 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8240 (find_reloads): Use new base_reg_class function.
8241 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8242 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8243 all callers and prototype changed.
8244 * reload1.c: Include "addresses.h".
8245 (maybe_fix_stack_asms): Use base_reg_class.
8246 * regclass.c: Include "addresses.h".
8247 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8248 (init_reg_autoinc): Use new base_reg_class function.
8249 (record_reg_classes): Likewise.
8250 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8251 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8252 Use new args to compute necessary class.
8254 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8255 regrename.o, rtl-factoring.o): Update dependencies.
8256 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8257 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8258 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8259 REG_OK_FOR_INDEX_P): Delete documentation.
8261 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8263 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8264 from V7 to V9 for Solaris 7 and above.
8266 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8268 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8269 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8270 argument pointers may not alias any other storage.
8271 * common.opt: Define option -fargument-noalias-anything.
8272 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8273 alias semantics is specified by flag_argument_noalias > 2.
8275 2006-03-20 Jeff Law <law@redhat.com>
8277 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8278 (pass_phi_only_cprop): Declare.
8279 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8281 * tree-ssa-dom.c (degenerate_phi_result): New function.
8282 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8283 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8284 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8285 (eliminate_degenerate_phis): Likewise.
8286 (pass_phi_only_cprop): New pass descriptor.
8287 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8288 support code. Callers updated.
8289 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8290 (store_copy_prop): Likewise.
8291 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8293 2006-03-20 Jason Merrill <jason@redhat.com>
8296 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8297 (push_visibility, pop_visibility): Likewise.
8298 * c-pragma.h: Declare them.
8300 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8302 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8304 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8305 parameter and use get_ebb_head_tail.
8306 (sh_md_init_global): Adjust uses of find_regmode_weight.
8308 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8310 * function.h (struct function) <x_tail_recursion_reentry>:
8311 Rename to x_stack_check_probe_note.
8312 (tail_recursion_reentry): Rename to stack_check_probe_note.
8313 * function.c: Replace tail_recursion_reentry with
8314 stack_check_probe_note everywhere.
8315 (expand_function_start): Only emit a note for
8316 stack_check_probe_note with -fstack-protect.
8317 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8319 * emit-rtl.c (remove_unnecessary_notes): Remove.
8320 (pass_remove_unnecessary_notes): Remove.
8321 * rtl.h (remove_unnecessary_notes): Remove prototype.
8322 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8323 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8324 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8326 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8329 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8330 (valid_in_set): Handle ARRAY_REF.
8331 Change "if min_variant or VH" to asserts.
8332 (create_component_ref_by_pieces): Handle ARRAY_REF.
8333 (create_expression_by_pieces): Likewise.
8334 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8336 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8338 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8339 is operand of switch, not str[0].
8341 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8343 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8344 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8346 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8348 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8349 end of insn_extra_address_constraint declaration.
8351 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8353 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8354 (no-sum-in-toc): Same.
8355 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8357 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8358 NO_FP_IN_TOC for -fPIC instead of mask.
8360 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8361 (BOOT_LDFLAGS): Delete.
8363 * config/rs6000/t-aix52: Same.
8365 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8366 (stmsi[345678]_power): New.
8368 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8370 * config/ia64/ia64.opt: Add empty line to end of file.
8372 2006-03-17 Richard Guenther <rguenther@suse.de>
8375 * builtins.c (get_pointer_alignment): For component style references
8376 adjust alignment to the component type alignment. Make sure
8377 to adjust alignment for component access of constants.
8379 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8381 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8384 2006-03-17 Paul Brook <paul@codesourcery.com>
8386 * doc/install.texi: Docuemnt --with-mode.
8387 * config.gcc: Add --with-mode for arm*-*-*.
8388 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8390 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8392 * sh.c (max_labelno_before_reorg): New variable.
8393 (sh_reorg): Initialize it.
8394 (find_barrier): Check max_labelno_before_reorg before using
8395 label_to_alignment. Take length of explicit alignment insns
8396 into account. When seeing a UNSPECV_CONST_END, return it.
8398 * sh.c (fixup_mova): Set mode of affected label to QImode.
8399 (untangle_mova): New function.
8400 (find_barrier): Use it. Check mode of label before decrementing
8402 (sh_reorg): Likewise.
8403 Set mode of all insns back to VOIDmode.
8405 * sh.c (MOVA_LABELREF): New macro.
8406 (mova_p, fixup_mova, sh_reorg): Use it.
8407 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8408 ADDR_DIFF_VEC matches mova.
8410 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8412 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8413 with ATTRIBUTE_UNUSED.
8415 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8417 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8418 pointer, instead of assuming it is possible to derive the
8419 correct args size from a call insn.
8421 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8423 * rtl.h (CONST_INT_P): Define.
8424 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8425 instead of GET_CODE(x) == CONST_INT.
8426 (vax_rtx_costs): Likewise.
8427 (vax_output_int_move): Likewise.
8428 (vax_output_int_add): Likewise.
8429 (legitimate_constant_address_p): Likewise.
8430 (index_term_p): Likewise.
8431 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8432 * config/vax/vax.md (and<mode>3): Likewise.
8433 (ashrsi3): Likewise.
8435 (movstricthi): Likewise.
8436 (movstrictqi): Likewise.
8437 (rotrsi3): Likewise.
8438 (five unnamed insns): Likewise.
8440 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8442 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8443 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8444 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8445 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8446 Pass to ASM_OUTPUT_DWARF_OFFSET.
8447 * dwarf2out.c (debug_frame_section): New.
8448 (output_call_frame_info): Use debug_frame_section. Pass it to
8449 dw2_asm_output_offset.
8450 (output_die): Pass appropriate section to dw2_asm_output_offset.
8451 (output_compilation_unit_header): Likewise.
8452 (output_pubnames): Likewise.
8453 (output_aranges): Likewise.
8454 (enum dw_val_class): Break dw_val_class_lbl_offset into
8455 dw_val_class_lineptr and dw_val_class_macptr.
8456 (add_AT_lbl_offset): Delete.
8457 (add_AT_lineptr): New.
8458 (add_AT_macptr): New.
8459 (AT_lbl): Expect a lineptr or macptr.
8460 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8461 (attr_checksum): Likewise.
8462 (same_dw_val_p): Likewise.
8463 (size_of_die): Likewise.
8464 (value_format): Likewise.
8465 (output_die): Likewise.
8466 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8468 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8469 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8470 * config/darwin-protos.h (darwin_file_start): New.
8471 (darwin_asm_output_dwarf_offset): New.
8472 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8473 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8475 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8476 if not EH section; simplify.
8477 (darwin_file_start): New.
8478 (darwin_asm_output_dwarf_offset): New.
8479 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8481 (DEBUG_INFO_SECTION): Likewise.
8482 (DEBUG_ABBREV_SECTION): Likewise.
8483 (DEBUG_ARANGES_SECTION): Likewise.
8484 (DEBUG_MACINFO_SECTION): Likewise.
8485 (DEBUG_LINE_SECTION): Likewise.
8486 (DEBUG_LOC_SECTION): Likewise.
8487 (DEBUG_PUBNAMES_SECTION): Likewise.
8488 (DEBUG_STR_SECTION): Likewise.
8489 (DEBUG_RANGES_SECTION): Likewise.
8490 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8491 (ASM_OUTPUT_DWARF_OFFSET): New.
8493 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8495 * config.gcc (tm_defines): Always add to previous value rather
8498 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8500 * config/mips/predicates.md (splittable_const_int_operand): New,
8501 split from move_operand.
8502 (splittable_symbolic_operand): New.
8503 (move_operand): Add commentary. Use splittable_const_int_operand.
8504 Inline mips_atomic_symbolic_constant_p.
8505 * config/mips/mips.md: Add combine splitters for handling moves
8506 of splittable_const_int_operands and splittable_symbolic_operands.
8507 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8508 (mips_split_symbol): Declare.
8509 (mips_move_integer): Declare.
8510 * config/mips/mips.c (mips_split_p): Make global.
8511 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8512 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8513 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8514 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8515 (mips_offset_within_object_p): Handle block symbols.
8516 (mips_atomic_symbolic_constant_p): Delete.
8517 (mips_cannot_force_const_mem): Return false for constants that
8518 mips_legitimize_move can handle.
8519 (mips_use_blocks_for_constant_p): New function.
8520 (mips_split_symbol): Make global.
8521 (mips_move_integer): Likewise. Add a temporary register argument.
8522 (mips_legitimize_const_move): Use splittable_const_int_operand and
8523 splittable_symbolic_operand.
8524 (mips_use_anchors_for_symbol_p): New function.
8525 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8526 (mips_split_p): Declare.
8528 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8530 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8531 (mips*-*-linux*): Likewise.
8533 2006-03-16 Roger Sayle <roger@eyesopen.com>
8534 Daniel Speyer <dspeyer@wam.umd.edu>
8537 * tree-dump.c (dump_real): New function.
8538 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8539 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8540 (tree-dump.o): Add $(REAL_H) to the dependencies.
8542 2006-03-16 Roger Sayle <roger@eyesopen.com>
8545 * real.c (real_from_string): If the mantissa is zero, don't bother
8546 parsing the exponent as the result should always be zero.
8548 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8550 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8552 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8554 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8555 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8556 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8557 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8558 ia64_sched_finish_global): New static functions to implement
8559 hooks from gcc_target.sched.
8560 (spec_check_no, max_uid, pending_data_specs): New static variables.
8561 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8562 ia64_spec_check_src_p): New static functions.
8563 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8564 (TARGET_SCHED_ADJUST_COST): Removed.
8565 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8566 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8567 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8568 TARGET_SCHED_GEN_CHECK,
8569 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8570 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8571 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8572 Fixed to handle speculation checks.
8573 (rtx_needs_barrier): Fixed to handle speculative loads and
8575 (ia64_variable_issue): Added code to count speculative loads and their
8577 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8579 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8581 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8583 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8584 (ia64_reorg): Reset stops_p to NULL after it is freed.
8585 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8586 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8587 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8589 (data_speculative, control_speculative, check_load): New attributes.
8590 (mov<mode>_advanced, mov<mode>_speculative,
8591 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8592 zero_extend<mode>di2_speculative,
8593 zero_extend<mode>di2_speculative_advanced): New patterns for
8594 data and control speculative loads.
8595 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8597 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8598 New pattern for data and control speculation checks.
8599 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8600 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8601 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8602 Auxiliary definitions for the patterns.
8603 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8604 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8606 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8608 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8609 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8610 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8611 New resource constraints.
8612 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8614 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8615 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8616 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8617 msched-in-control-spec, msched-ldc, msched-control-ldc,
8618 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8619 msched-prefer-non-control-spec-insns,
8620 msched-count-spec-in-critical-path): New flags to tune speculative
8622 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8623 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8624 msched-in-control-spec, msched-ldc, msched-control-ldc,
8625 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8626 msched-prefer-non-control-spec-insns,
8627 msched-count-spec-in-critical-path): Document new flags.
8629 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8631 * target.h (struct spec_info_def): New opaque declaration.
8632 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8633 speculate_insn, needs_block_p, gen_check,
8634 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8635 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8636 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8637 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8638 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8639 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8641 (TARGET_SCHED): Use new macros.
8642 * rtl.h (copy_DEPS_LIST_list): New prototype.
8643 * sched-int.h (struct sched_info): Change signature of new_ready field,
8644 adjust all initializations. New fields: add_remove_insn,
8645 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8646 region_head_or_leaf_p.
8647 (struct spec_info_def): New structure declaration.
8648 (spec_info_t): New typedef.
8649 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8650 recovery_block, orig_pat.
8651 (glat_start, glat_end): New variables declaraions.
8652 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8654 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8655 DETACH_LIFE_INFO, USE_GLAT.
8656 (enum SPEC_SCHED_FLAGS): New enumeration.
8657 (NOTE_NOTE_BB_P): New macro.
8658 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8659 attach_life_info, debug_spec_status, check_reg_live): New functions.
8660 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8661 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8663 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8664 * ddg.c (get_block_head_tail): Adjust all uses.
8665 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8666 (sms_sched_info): Initialize new fields.
8667 (contributes_to_priority): Removed.
8668 * haifa-sched.c (params.h): New include.
8669 (get_block_head_tail): Adjust all uses.
8670 (ISSUE_POINTS): New macro.
8671 (glat_start, glat_end): New global variables.
8672 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8673 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8674 old_last_basic_block, before_recovery, current_sched_info_var,
8675 rgn_n_insns, luid): New static variables.
8676 (insn_cost1): New function. Move logic from insn_cost to here.
8677 (find_insn_reg_weight1): New function. Move logic from
8678 find_insn_reg_weight to here.
8679 (reemit_notes, move_insn, max_issue): Change signature.
8680 (move_insn1): Removed.
8681 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8682 extend_bb): New static functions to support extension of scheduler's
8684 (generate_recovery_code, process_insn_depend_be_in_spec,
8685 begin_speculative_block, add_to_speculative_block,
8686 init_before_recovery, create_recovery_block, create_check_block_twin,
8687 fix_recovery_deps): New static functions to support
8688 generation of recovery code.
8689 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8690 restore_bb_notes, move_block_after_check, move_succs): New static
8691 functions to support ebb scheduling.
8692 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8693 functions to support handling of register live information.
8694 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8695 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8696 add_jump_dependencies): New static functions.
8697 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8698 consistancy checking.
8699 (debug_spec_status): New function to call from debugger.
8700 (priority): Added code to handle speculation checks.
8701 (rank_for_schedule): Added code to distinguish speculative instructions.
8702 (schedule_insn): Added code to handle speculation checks.
8703 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8704 Fixed to handle ebbs.
8705 (move_insn): Added code to handle ebb scheduling.
8706 (max_issue): Added code to use ISSUE_POINTS of instructions.
8707 (choose_ready): Added code to choose between speculative and
8708 non-speculative instructions.
8709 (schedule_block): Added code to handle ebb scheduling and scheduling of
8710 speculative instructions.
8711 (sched_init): Initialize new variables.
8712 (sched_finish): Free new variables. Print statistics.
8713 (try_ready): Added code to handle speculative instructions.
8714 * lists.c (copy_DEPS_LIST_list): New function.
8715 * sched-deps.c (extend_dependency_caches): New function. Move logic
8716 from create_dependency_caches to here.
8717 (get_dep_weak, ds_merge): Make global.
8718 * genattr.c (main): Code to output prototype for
8719 dfa_clear_single_insn_cache.
8720 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8721 (output_dfa_clean_insn_cache_func): Code to output
8722 dfa_clear_single_insn_cache function.
8723 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8725 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8727 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8728 New static variables.
8729 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8730 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8732 (ebb_sched_info): Initialize new fields.
8733 (get_block_head_tail): Adjust all uses.
8734 (compute_jump_reg_dependencies): Fixed to use glat_start.
8735 (schedule_ebb): Code to remove unreachable last block.
8736 (schedule_ebbs): Added code to update register live information.
8737 * sched-rgn.c (region_sched_info): Initialize new fields.
8738 (get_block_head_tail): Adjust all uses.
8739 (last_was_jump): Removed. Adjust users.
8740 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8741 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8742 Implement new hooks.
8743 (check_dead_notes1): New static function.
8744 (struct region): New fields: dont_calc_deps, has_real_ebb.
8745 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8746 (BB_TO_BLOCK): Fixed to handle EBBs.
8747 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8748 (ebb_head): New static variable.
8749 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8750 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8752 (compute_dom_prob_ps): New assertion.
8753 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8754 global_live_at_start.
8755 (init_ready_list): New assertions.
8756 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8757 (new_ready): Add support for BEGIN_CONTROL speculation.
8758 (schedule_insns): Fixed code that updates register live information
8760 (schedule_region): Fixed to handle EBBs.
8761 (init_regions): Use extend_regions and check_dead_notes1.
8762 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8763 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8764 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8765 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8766 TARGET_SCHED_GEN_CHECK,
8767 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8768 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8769 * doc/invoke.texi (max-sched-insn-conflict-delay,
8770 sched-spec-prob-cutoff): Document.
8772 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8774 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8775 inter_tick, queue_index.
8776 (struct sched_info): Change signature of init_ready_list field.
8777 Adjust all initializations.
8778 (RESOLVED_DEPS): New access macro.
8779 (ready_add): Remove prototype.
8780 (try_ready): Add prototype.
8781 * sched-rgn.c (init_ready_list): Use try_ready.
8782 (schedule_region): Initialize
8783 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8784 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8785 (init_ready_list): Use try_ready.
8786 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8787 * lists.c (remove_list_elem): Remove `static'.
8788 (remove_free_INSN_LIST_elem): New function.
8789 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8790 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8791 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8793 (readyp): New variable.
8794 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8795 change_queue_index, resolve_dep): New static functions.
8796 (try_ready): New function. Adjust callers in sched-rgn.c and
8797 sched-ebb.c to use it instead of ready_add.
8798 (clock_var): Move at the begining of file.
8799 (rank_for_schedule): Fix typo.
8800 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8801 (ready_lastpos): Enforce assertion.
8802 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8804 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8805 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8806 (queue_to_ready): Use free_INSN_LIST_list.
8807 (early_queue_to_ready): Fix typo.
8808 (schedule_block): Init readyp. Move init_ready_list call after the
8809 initialization of clock_var. Fix error in rejecting insn by
8810 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8811 that previously corrected INSN_TICKs. Add code for handling
8813 (set_priorities): Fix typo.
8814 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8815 Clarify comment and code that keeps current_sched_info->next_tail
8818 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8820 * sched-rgn.c (extend_rgns): New static function.
8821 (find_rgns): Use it.
8822 (gather_region_statistics, print_region_statistics): New static
8824 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8825 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8827 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8828 Andrey Belevantsev <abel@ispras.ru>
8830 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8831 * lists.c (unused_deps_list): New variable.
8832 (free_list): Add assertions to verify the proper distinguishing
8833 between INSN_LISTs and DEPS_LISTs.
8834 (find_list_elem, remove_list_elem, remove_list_node): New static
8836 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8837 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8838 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8839 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8841 (free_INSN_LIST_node): Likewise.
8842 * modulo-sched.c (current_sched_info): Initialize flags field.
8843 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8844 * rtl.def (DEPS_LIST): Define.
8845 * rtl.h: Declare new functions from lists.c.
8846 * sched-deps.c (spec_dependency_cache): New static variable.
8847 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8848 (add_dependence): Change return type to void. Move the logic to ...
8849 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8850 (delete_all_dependences): Add comment about forward_dependency_cache.
8851 Handle spec_dependency_cache. Handle DEPS_LISTs.
8852 (fixup_sched_groups): Clarify the change of priority of output
8853 and anti dependencies.
8854 (sched_analyze_2): Adjust add_dependence calls to create data
8855 speculative dependence.
8856 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8857 Adjust all callers. Handle DEPS_LISTS.
8858 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8859 presence of speculation.
8860 (init_dependency_caches, free_dependency_caches):
8861 Handle spec_dependency_cache.
8862 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8863 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8864 New static functions.
8865 (add_or_update_back_dep, add_or_update_back_forw_dep,
8866 add_back_forw_dep, delete_back_forw_dep): New functions.
8867 * sched-int.h (ds_t, dw_t): New typedefs.
8868 (struct sched_info): Add new field flags.
8869 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8870 Prototype new sched-deps.c functions.
8871 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8872 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8873 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8874 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8875 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8876 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8878 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8880 * sched-rgn.c (current_sched_info): Initialize flags field.
8881 (schedule_insns): Initialize current_sched_info before the sched_init
8883 * sched-ebb.c (current_sched_info): Initialize flags field.
8884 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8885 Call add_or_update_back_dep instead of add_dependence.
8886 Create control speculative dependencies.
8887 (schedule_insns): Initialize current_sched_info before the sched_init
8890 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8892 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8894 (sh_fallback_frame_state): Likewise.
8896 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8898 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8899 Do switch on default_use_cxa_atexit.
8900 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8901 * config/darwin-crt3.o: New.
8902 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8903 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8904 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8906 * config/rs6000/t-darwin: Move crt2.o building to here.
8907 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8908 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8911 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8913 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8914 from '! xxx' to '!xxx' for coding-style conformance.
8915 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8916 (EXTRA_CONSTRAINT): Likewise.
8917 * config/vax/vax.md (four unnamed insns): Likewise.
8919 2006-03-15 Paul Brook <paul@codesourcery.com>
8921 * config/arm/arm.c (minipool_pad): New.
8922 (add_minipool_forward_ref): Include pool alignment padding in address
8924 (push_minipool_fix): Set minipool_pad.
8925 (minipool_pad): Ditto.
8927 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8929 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8930 instead of GET_CODE() == MEM and REG_P() instead of
8932 (print_operand_address): Likewise.
8933 (vax_address_cost): Likewise.
8934 (vax_rtx_costs): Likewise.
8935 (vax_notice_update_cc): Likewise.
8936 (vax_output_int_add): Likewise.
8937 (INDEX_REGISTER_P): Likewise.
8938 (BASE_REGISTER_P): Likewise.
8939 (nonindexed_address_p): Likewise.
8940 (vax_mode_dependent_address_p): Likewise.
8941 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8942 (PRINT_OPERAND): Likewise.
8943 * config/vax/vax.md (ashlsi3): Likewise.
8944 (ashlsi3): Likewise.
8945 (some more unnamed insns): Likewise.
8947 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8949 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8950 iterator-style macro.
8951 (mark_control_dependent_edges_necessary): Update the use of
8952 EXECUTE_IF_CONTROL_DEPENDENT.
8954 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8956 * config/sh/predicates.md (cache_address_operand): Special.
8957 (ua_address_operand): Likewise.
8959 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8961 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8963 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8965 2006-03-15 Andreas Schwab <schwab@suse.de>
8967 * gensupport.c (identify_predicable_attribute): Don't free p_false
8968 when it is still in use.
8970 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8972 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8973 the default setting here.
8975 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8977 * tree-pass.h (pass_cfg): Remove.
8978 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8979 * passes.c (pass_cfg): Don't run it.
8981 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8983 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8984 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8986 (stack_regs_mentioned): Update the uses of
8987 stack_regs_mentioned_data. Don't access the array beyond its
8989 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8990 Don't include gt-reg-stack.h.
8992 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8993 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8995 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8998 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9001 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9003 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9005 2006-03-14 Richard Guenther <rguenther@suse.de>
9007 PR tree-optimization/26672
9008 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9011 2006-03-14 Richard Guenther <rguenther@suse.de>
9013 PR tree-optimization/26667
9014 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9015 node for the callees. Always allow inlining if it will shrink
9018 2006-03-14 Richard Guenther <rguenther@suse.de>
9021 * builtins.c (get_pointer_alignment): Prefer alignment
9022 information from decls over that from types.
9024 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9027 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9029 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9031 * config/rs6000/rs6000.opt (mdlmzb): New option.
9032 (msched-prolog, msched-epilog): Use Var not Mask.
9033 * doc/invoke.texi (-mdlmzb): Document.
9034 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9036 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9037 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9039 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9041 PR rtl-optimization/25739
9042 * bt-load.c (augment_live_range): Free tos pointer.
9044 * gensupport.c (identify_predicable_attribute): Free
9046 * gcov.c (create_file_names): Free name pointer.
9048 2006-03-13 Roger Sayle <roger@eyesopen.com>
9051 * stmt.c (emit_case_nodes): Handle the case where the index is a
9052 CONST_INT, where the comparison mode is specified by the index type.
9054 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9056 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9059 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9061 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9062 (*branch_fp_inverted): Likewise.
9064 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9067 * omp-low.c (expand_omp_for_generic): Mark istart0
9068 and iend0 as addressable.
9070 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9072 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9074 2006-03-13 Jeff Law <law@redhat.com>
9076 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9077 virtual operands are interesting.
9078 (vrp_visit_stmt): Corresponding changes.
9080 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9082 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9084 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9085 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9086 * config/bfin/crti.S: Use it instead of __PIC__.
9087 * config/bfin/crtn.S: Likewise.
9089 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9090 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9092 Lose 'G' modifier for call operand.
9093 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9094 recognize 'G' modifier.
9096 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9099 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9100 * stmt.c (expand_case): Likewise.
9102 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9104 PR rtl-optimization/26254
9105 * loop-invariant.c (seq_insns_valid_p): New function.
9106 (move_invariant_reg): Only emit new code if it is valid.
9108 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9110 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9112 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9113 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9114 (commit_one_edge_insertion): Do not look for loop notes.
9116 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9118 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9119 flag_test_coverage out of loop.
9121 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9123 * final.c (shorten_branches): Remove outdated comment, and turn
9124 the if branch that guards it to continue.
9126 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9128 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9129 * cfgloop.h (struct loop): Remove unused fields.
9131 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9133 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9134 (-dL, -fdump-rtl-loop2): Update the dump file names
9136 * doc/invoke.texi: Update dump file names.
9138 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9140 * predict.c (estimate_probability): Remove.
9141 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9142 * basic-block.h (estimate_probability): Remove prototype.
9143 * passes.c (finish_optimization_passes): Dump branch prediction or
9144 profiling heuristics to the .profile tree dump.
9145 (init_optimization_passes): Unqueue pass_branch_prob.
9147 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9149 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9151 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9152 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9154 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9156 * function.h (frame_offset_overflow): Declare.
9157 * function.c (frame_offset_overflow): New function.
9158 (assign_stack_local_1): Call it to detect that the offset overflows.
9159 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9161 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9163 * config/sh/sh.c: Include alloc-pool.h.
9164 (label_ref_list_pool): New alloc pool.
9165 (label_ref_list_t): New type for lists of labels.
9166 (struct pool_node): Make wend a label_ref_list_t.
9167 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9169 (dump_table): Likewise.
9170 (sh_reorg): Set up the alloc pool before using add_constant and
9171 dump_table, and destroy it when finishing.
9173 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9175 * config/mips/mips.c: Remove redundant comment.
9177 2006-03-10 Jason Merrill <jason@redhat.com>
9180 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9181 the target was declared 'register'.
9183 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9185 * genpreds.c (write_insn_constraint_len): Change definition of
9186 insn_constraint_len to return size_t to match the declaration.
9188 2006-03-10 DJ Delorie <dj@redhat.com>
9190 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9192 (m32c_expand_insv): Fix test for an AND mask.
9194 2006-03-10 Richard Guenther <rguenther@suse.de>
9197 * builtins.c (get_pointer_alignment): Handle component
9198 references for field alignment.
9200 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9202 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9203 when building with libgloss.
9204 (sh*elf): Implement --without-fp option.
9205 (sh64-superh-linux*): Don't multilib.
9207 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9209 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9211 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9213 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9214 Set it when one of the replacement functions returned true.
9215 Return TODO_cleanup_cfg if cfgchanged is true.
9216 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9218 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9220 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9221 instead of gen_lowpart.
9223 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9225 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9227 (mips_output_order_conditional_branch): Declare.
9228 * config/mips/mips.h (MIPS_BRANCH): New macro.
9229 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9230 for the comparison. Use gen_condjump.
9231 (mips_output_conditional_branch): Rework interface to take the
9232 asm templates for a direct branch and the inverse of a direct branch.
9233 (mips_output_order_conditional_branch): New function.
9234 (mips_builtin_branch_and_move): New function.
9235 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9236 branch condition. Use gen_single_cc as the condition for
9237 __builtin_mips_upper_* or __builtin_mips_lower_*.
9238 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9239 Use VOIDmode for the branch condition.
9240 * config/mips/predicates.md (order_operator): New predicate.
9241 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9242 (branch_fp): Rename to...
9243 (*branch_fp): ...this. Remove mode from comparison operator.
9244 Use new mips_output_conditional_branch interface.
9245 (branch_fp_inverted): Rename to...
9246 (*branch_fp_inverted): ...this and update as for *branch_fp.
9247 (*branch_zero<mode>): Rename to...
9248 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9249 Use mips_output_order_conditional_branch. Only accept ordered
9251 (*branch_zero<mode>_inverted): Rename to...
9252 (*branch_order<mode>_inverted): ...this and update as for
9253 *branch_order<mode>.
9254 (*branch_equality<mode>): Accept zero as the second operand to
9255 the equality operator. Use the new mips_output_conditional_branch
9257 (*branch_equality<mode>_inverted): Likewise.
9258 (condjump): New expander.
9259 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9261 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9262 (bc1any2t, bc1any2f): Likewise.
9263 (single_cc): New expander.
9264 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9266 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9268 * doc/md.texi: Update documentation of MIPS constraints.
9269 * config/mips/constraints.md: New file.
9270 * config/mips/mips.md: Include it.
9271 * config/mips/mips.c (mips_char_to_class): Delete.
9272 (override_options): Don't initialize mips_char_to_class.
9273 * config/mips/mips.h (mips_char_to_class): Delete.
9274 (REG_CLASS_FROM_LETTER): Delete.
9275 (CONST_OK_FOR_LETTER_P): Delete.
9276 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9277 (EXTRA_CONSTRAINT_Y): Delete.
9278 (EXTRA_CONSTRAINT_STR): Delete.
9279 (CONSTRAINT_LEN): Delete.
9280 (EXTRA_MEMORY_CONSTRAINT): Delete.
9282 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9284 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9285 original fn's eh regions.
9287 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9289 * fold-const.c (build_range_check): Make sure to use a valid type to
9290 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9293 (range_predecessor): New static function.
9294 (range_successor): Likewise.
9295 (merge_ranges): Use them to compute predecessors and successors of
9298 2006-03-09 Roger Sayle <roger@eyesopen.com>
9301 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9302 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9304 2006-03-08 DJ Delorie <dj@redhat.com>
9306 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9307 (addpsi3): Expand to include memory operands. Remove
9308 reload-specific splits.
9309 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9310 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9311 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9312 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9313 (shift1_qi, shift1_hi, insv): New.
9314 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9315 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9316 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9318 * config/m32c/m32c-protos.h: Update as needed.
9319 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9320 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9321 Fail for unrecognized R* constraints.
9322 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9323 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9324 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9326 (m32c_init_libfuncs): New.
9327 (m32c_legitimate_address_p): Add debug wrapper.
9328 (m32c_rtx_costs): New.
9329 (m32c_address_cost): New.
9330 (conversions): Add 'B' prefix.
9331 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9332 operands, or word regnames for QI operands. 'B' prints bit
9334 (m32c_expand_setmemhi): New.
9335 (m32c_expand_movmemhi): New.
9336 (m32c_expand_movstr): New.
9337 (m32c_expand_cmpstr): New.
9338 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9339 (m32c_expand_neg_mulpsi3): Handle non-ints.
9340 (m32c_cmp_flg_0): New.
9341 (m32c_expand_movcc): New.
9342 (m32c_expand_insv): New.
9343 (m32c_scc_pattern): New.
9344 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9345 a0/a1 out of SIregs.
9346 (STORE_FLAG_VALUE): New.
9347 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9350 * config/m32c/mov.md: Make constraints more liberal.
9351 (zero_extendqihi2): Optimize r0/r1 case.
9352 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9353 * config/m32c/predicates.md (m32c_any_operand): New.
9354 (m32c_nonimmediate_operand): New.
9355 (m32c_hl_operand): New.
9356 (m32c_r3_operand): New.
9359 (memsym_operand): New.
9360 (memimmed_operand): New.
9361 (a_qi_operand): New.
9362 (m32c_eqne_operator): New.
9363 (m32c_1bit8_operand): New.
9364 (m32c_1bit16_operand): New.
9365 (m32c_1mask8_operand): New.
9366 (m32c_1mask16_operand): New.
9367 * config/m32c/blkmov.md: New file.
9368 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9370 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9372 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9373 unsigned to fix signed/unsigned comparison issue in
9374 DWARF2_FRAME_REG_OUT.
9375 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9376 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9378 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9379 of ptr into the ENABLE_CHECKING section.
9381 2006-03-08 Jeff Law <law@redhat.com>
9383 * tree-vrp.c (infer_value_range): Only count pointer uses
9384 and dereferences if -fdelete-null-pointer-checks is enabled.
9386 * tree-vrp.c (find_assert_locations): Infer value ranges for
9387 single use pointers, but do not create ASSERT_EXPRs for them.
9388 When a non-null range is inferred for a pointer, backwards
9389 propagate that range to other equivalent pointers through the
9392 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9395 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9396 language hook targets.
9397 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9398 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9399 if language hook targets were missing.
9401 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9403 * tree-ssa-opfinalize.h: Removed.
9404 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9406 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9407 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9408 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9409 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9410 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9411 finalize_ssa_v_must_def_ops): New.
9413 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9415 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9418 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9420 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9422 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9423 addresses with offsets; reorganize.
9425 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9426 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9427 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9429 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9432 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9434 2006-03-08 Ben Elliston <bje@au.ibm.com>
9436 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9438 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9441 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9444 2006-03-07 Richard Guenther <rguenther@suse.de>
9446 PR tree-optimization/26587
9447 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9449 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9451 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9453 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9455 * hooks.c (hook_bool_mode_rtx_true): New function.
9456 * hooks.h (hook_bool_mode_rtx_true): Declare.
9457 * toplev.c (compile_file): Call output_shared_constant_pool.
9458 * varasm.c (shared_constant_pool): New variable.
9459 (assemble_start_function, assemble_end_function): Remove arguments
9460 from call to output_constant_pool.
9461 (create_constant_pool): New function, split out from...
9462 (init_varasm_status): ...here.
9463 (force_const_mem): Choose between the shared and per-function constant
9464 pools. Set current_function_uses_const_pool when reusing old entries
9465 as well as when creating new ones.
9466 (mark_constant): Ignore data argument.
9467 (mark_constants): Remove pool argument.
9468 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9469 to decide whether the function uses a constant pool.
9470 (output_constant_pool_contents): New function, split out from...
9471 (output_constant_pool): ...here.
9472 (output_shared_constant_pool): New function.
9473 (init_varasm_once): Initialize shared_constant_pool.
9474 * output.h (output_constant_pool): Delete.
9475 (output_shared_constant_pool): Declare.
9476 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9477 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9479 2006-03-06 Nick Clifton <nickc@redhat.com>
9481 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9482 flag_strength_reduce.
9484 2006-03-06 Ben Elliston <bje@au.ibm.com>
9486 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9487 x86_64-*-linux* configurations.
9489 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9490 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9492 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9494 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9496 * basic-block.h: Remove the extern for
9497 rediscover_loops_after_threading.
9499 * cfgloop.c (cancel_loop): Make it static.
9500 * cfgloop.h: Remove the prototype for cancel_loop.
9502 * flow.c (recompute_reg_usage): Make it static.
9503 * rtl.h: Remove the prototype for recompute_reg_usage.
9505 * function.c (use_return_register): Make it static.
9506 * function.h: Remove the prototype.
9508 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9510 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9512 * recog.h: Remove the prototype for
9513 validate_change_maybe_volatile.
9515 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9517 * rtlanal.c (replace_reg): Remove.
9518 * rtl.h: Remove the prototype for replace_reg.
9520 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9522 * regclass.c (reg_scan_update): Remove.
9523 (reg_scan_mark_refs): Remove the last argument.
9524 * rtl.h: Remove the prototype for reg_scan_update.
9526 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9528 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9529 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9530 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9531 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9532 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9533 loop-invariant.c, omp-low.c, opts.c, passes.c,
9534 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9535 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9536 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9537 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9538 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9539 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9541 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9543 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9544 * dwarf2out.h: Remove the prototype for
9545 dwarf2out_add_library_unit_info.
9547 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9549 * tree.c (add_var_to_bind_expr): Remove.
9550 * tree.h: Remove the prototype for add_var_to_bind_expr.
9552 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9554 * regclass.c (n_non_fixed_regs): Remove.
9555 (init_reg_sets_1, globalize_reg): Remove all uses of
9557 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9559 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9561 * rtlanal.c (insns_safe_to_move_p): Remove.
9562 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9564 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9566 * expmed.c (expand_mult_add): Remove.
9567 * expr.h: Remove the prototype for expand_mult_add.
9569 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9571 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9572 and REG_SAVED_VAL_EXP constants.
9573 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9574 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9575 Handle regs stored by value.
9576 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9577 (execute_cfa_program): Handle DW_CFA_val_offset,
9578 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9579 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9580 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9581 (uw_install_context_1): Handle target regs stored by value.
9583 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9585 * tree-sra.c (tree_sra): Return todoflags;
9586 (generate_one_element): Set TODO_update_smt_usage if needed.
9587 (pass_sra): Remove TODO_update_smt_usage.
9588 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9590 (tree_ssa_forward_propagate_single_use_vars): Return
9591 TODO_update_smt_usage if we need to update SMT usage.
9592 (pass_forwprop): Remove TODO_update_smt_usage.
9594 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9596 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9597 (correct_use_link): Remove reference to get_stmt_operands.
9598 (update_stmt_operands): Likewise.
9599 (get_modify_expr_operands): New function factored out of
9600 parse_ssa_operands and get_expr_operands.
9601 Try to create V_MUST_DEFs for LHS by default.
9602 (get_expr_operands) <case MODIFY_EXPR>: Call
9603 get_modify_expr_operands.
9604 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9605 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9606 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9607 get_modify_expr_operands.
9609 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9611 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9612 * tree-flow.h: Remove the prototype for
9613 referenced_var_lookup_if_exists.
9615 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9617 PR rtl-optimization/26345
9619 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9621 2006-03-03 Roger Sayle <roger@eyesopen.com>
9623 PR tree-optimization/26524
9624 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9625 fold_convert to create a constant of the appropriate type.
9627 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9629 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9630 SYMBOL_REF_IN_BLOCK_P.
9631 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9632 of SYMBOL_FLAG_IN_BLOCK.
9633 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9634 instead of SYMBOL_REF_IN_BLOCK_P.
9635 * explow.c (use_anchored_address): Likewise.
9636 * rtl.c (rtx_size): Likewise.
9637 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9638 instead of SYMBOL_FLAG_IN_BLOCK.
9639 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9640 SYMBOL_REF_IN_BLOCK_P.
9641 (assemble_variable): Likewise.
9642 (output_constant_def_contents): Likewise.
9643 (output_constant_pool): Likewise.
9644 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9645 instead of SYMBOL_FLAG_IN_BLOCK.
9646 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9647 SYMBOL_REF_IN_BLOCK_P.
9648 (SYMBOL_REF_BLOCK): Likewise.
9649 (SYMBOL_REF_OFFSET): Likewise.
9650 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9651 SYMBOL_REF_IN_BLOCK_P.
9652 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9653 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9654 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9655 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9657 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9659 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9661 2006-03-02 Roger Sayle <roger@eyesopen.com>
9663 * simplify-rtx.c (simplify_unary_operation): When simplifying
9664 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9665 that we perform the right shift in the appropriate mode, and
9666 then extend or truncate the result to requested mode.
9668 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9670 * gengtype.c (main): Handle double_int type.
9671 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9672 * double-int.c: New file.
9673 * double-int.h: New file.
9674 * system.h: Include doubleint.h.
9675 * Makefile.in (SYSTEM_H): Include double-int.h.
9676 (double-int.o): Add.
9678 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9681 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9684 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9686 * tree-vrp.c (remove_range_assertions): Do not update statements
9689 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9691 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9693 * gcse.c (rest_of_handle_gcse): Ditto.
9694 * except.c (gate_handle_eh): Ditto.
9695 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9696 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9698 2006-03-02 Eric Christopher <echristo@apple.com>
9700 * config/i386/i386.c (machopic_output_stub): Add indirection to
9703 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9707 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9709 Sun Niagara specific optimizations.
9710 * config.gcc: Recognize niagara as target.
9711 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9712 (TARGET_CPU_niagara): Define.
9713 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9714 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9715 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9716 (ASM_CPU_SPEC): Likewise.
9717 (PROCESSOR_NIAGARA): New enum entry.
9718 (REGISTER_MOVE_COST): Handle Niagara.
9719 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9720 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9721 (sparc_override_options): Recognize "niagara", set appropriate
9722 default MASK_* values for it, and align functions to 32-bytes
9723 by default just like ULTRASPARC/ULTRASPARC3.
9724 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9725 (sparc64_initialize_trampoline): Likewise.
9726 (sparc_use_sched_lookahead): Use zero for niagara.
9727 (sparc_issue_rate): Use one for niagara.
9728 * config/sparc/niagara.md: New file.
9729 * config/sparc/sparc.md: Include it.
9730 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9731 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9732 when default cpu is niagara.
9733 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9734 (ASM_CPU_SPEC): Likewise.
9735 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9736 when default cpu is niagara.
9737 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9738 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9739 just like v9/ultrasparc/ultrasparc3.
9740 * doc/invoke.texi: Add documentation for "niagara" and improve
9741 existing documentation for ultrasparc variants.
9743 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9745 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9747 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9749 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9750 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9751 and say that only one is needed.
9752 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9753 * target.h (have_switchable_bss_sections): New hook.
9754 * explow.c (use_anchored_address): Check that the symbol is in a block.
9755 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9756 (bss_noswitch_section): New variables.
9757 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9758 (get_noswitch_section): New function.
9759 (get_block_for_section): Allow SECT to be null.
9760 (unlikely_text_section_p): Use SECTION_STYLE.
9761 (bss_initializer_p): New function.
9762 (get_variable_section): Move earlier in file. Take a new argument,
9763 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9764 Return one of the new *_sections in such cases.
9765 (get_block_for_decl): New function, extracting some logic from
9766 use_blocks_for_decl_p.
9767 (change_symbol_section): Remove in favor of...
9768 (change_symbol_block): ...this new function.
9769 (use_blocks_for_decl_p): Remove checks now performed by
9771 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9772 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9773 (emit_local, emit_bss, emit_common): ...these new functions.
9774 Return true if the alignment was honored.
9775 (emit_tls_common): New function.
9776 (asm_emit_uninitialised): Delete.
9777 (assemble_variable_noswitch): New function, split out from...
9778 (assemble_variable): ...here. Don't make decisions about common
9779 variables here. Globalize all public decls that go into non-common
9780 sections. Check whether SYMBOL_REF_BLOCK is null.
9781 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9782 (output_constant_pool): Likewise.
9783 (init_varasm_once): Initialize the new section variables.
9784 (have_global_bss_p): New function.
9785 (categorize_decl_for_section): Use bss_initializer_p.
9786 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9787 (place_block_symbol): Assert that the symbol must be in a block.
9788 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9789 (TARGET_INITIALIZER): Include it.
9790 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9791 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9792 (SECTION_MACH_DEP): Bump by two.
9793 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9794 (unnamed_section): Mention SECTION_UNNAMED in comment.
9795 (named_section): Likewise SECTION_NAMED.
9796 (noswitch_section_callback): New type.
9797 (noswitch_section): New structure.
9798 (section): Add a noswitch_section alternative.
9799 (SECTION_STYLE): New macro.
9800 (tls_comm_section, comm_section, lcomm_section): Declare.
9801 (bss_noswitch_section, have_global_bss_p): Declare.
9802 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9803 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9805 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9806 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9809 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9811 * tree-vrp.c (execute_vrp): Return value.
9812 * regrename.c (rest_of_handle_regrename): Ditto.
9813 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9814 * tree-complex.c (tree_lower_complex): Ditto.
9815 (tree_lower_complex_O0): Ditto.
9816 * tracer.c (rest_of_handle_tracer): Ditto.
9817 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9818 * postreload.c (rest_of_handle_postreload): Ditto.
9819 * tree-tailcall.c (execute_tail_recursion): Ditto.
9820 (execute_tail_calls): Ditto.
9821 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9822 * tree.h (init_function_for_compilation): Ditto.
9823 * ipa-cp.c (ipcp_driver): Ditto.
9824 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9825 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9826 * final.c (compute_alignments): Ditto.
9827 (rest_of_handle_final): Ditto.
9828 (rest_of_handle_shorten_branches): Ditto.
9829 (rest_of_clean_state): Ditto.
9830 * omp-low.c (execute_expand_omp): Ditto.
9831 (execute_lower_omp): Ditto.
9832 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9833 * ipa-reference.c (static_execute): Ditto.
9834 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9835 * reorg.c (rest_of_handle_delay_slots): Ditto.
9836 (rest_of_handle_machine_reorg): Ditto.
9837 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9838 * flow.c (recompute_reg_usage): Ditto.
9839 (rest_of_handle_remove_death_notes): Ditto.
9840 (rest_of_handle_life): Ditto.
9841 (rest_of_handle_flow2): Ditto.
9842 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9843 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9844 (do_ssa_store_ccp): Ditto.
9845 (execute_fold_all_builtins): Ditto.
9846 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9847 * modulo-sched.c (rest_of_handle_sms): Ditto.
9848 * ipa-pure-const.c (static_execute): Ditto.
9849 * cse.c (rest_of_handle_cse): Ditto.
9850 (rest_of_handle_cse2): Ditto.
9851 * web.c (rest_of_handle_web): Ditto.
9852 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9853 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9854 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9855 * tree-nrv.c (tree_nrv): Ditto.
9856 (execute_return_slot_opt): Ditto.
9857 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9858 (create_structure_vars): Ditto.
9859 * loop-init.c (rtl_loop_init): Ditto.
9860 (rtl_loop_done): Ditto.
9861 (rtl_move_loop_invariants): Ditto.
9862 (rtl_unswitch): Ditto.
9863 (rtl_unroll_and_peel_loops): Ditto.
9864 (rtl_doloop): Ditto.
9865 * gimple-low.c (lower_function_body): Ditto.
9866 (mark_used_blocks): Ditto.
9867 * tree-ssa-sink.c (execute_sink_code): Ditto.
9868 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9869 (cgraph_early_inlining): Ditto.
9870 * global.c (rest_of_handle_global_alloc): Ditto.
9871 * jump.c (cleanup_barriers): Ditto.
9872 (purge_line_number_notes): Ditto.
9873 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9874 (rest_of_handle_if_after_reload): Ditto.
9875 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9876 (tree_ssa_loop_im): Ditto.
9877 (tree_ssa_loop_unswitch): Ditto.
9878 (tree_vectorize): Ditto.
9879 (tree_linear_transform): Ditto.
9880 (tree_ssa_loop_ivcanon): Ditto.
9881 (tree_ssa_empty_loop): Ditto.
9882 (tree_ssa_loop_bounds): Ditto.
9883 (tree_complete_unroll): Ditto.
9884 (tree_ssa_loop_prefetch): Ditto.
9885 (tree_ssa_loop_ivopts): Ditto.
9886 (tree_ssa_loop_done): Ditto.
9887 * predict.c (tree_estimate_probability): Ditto.
9888 * recog.c (split_all_insns_noflow): Ditto.
9889 (rest_of_handle_peephole2): Ditto.
9890 (rest_of_handle_split_all_insns): Ditto.
9891 * tree-eh.c (lower_eh_constructs): Ditto.
9892 * regmove.c (rest_of_handle_regmove): Ditto.
9893 (rest_of_handle_stack_adjustments): Ditto.
9894 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9895 * function.c (instantiate_virtual_regs): Ditto.
9896 (init_function_for_compilation): Ditto.
9897 (rest_of_handle_check_leaf_regs): Ditto.
9898 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9899 (rest_of_handle_gcse): Ditto.
9900 * ipa-type-escape.c (type_escape_execute): Ditto.
9901 * alias.c (rest_of_handle_cfg): Ditto.
9902 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9903 * profile.c (rest_of_handle_branch_prob): Ditto.
9904 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9905 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9906 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9907 * tree-dfa.c (find_referenced_vars): Ditto.
9908 * except.c (set_nothrow_function_flags): Ditto.
9909 (convert_to_eh_region_ranges): Ditto.
9910 (rest_of_handle_eh): Ditto.
9911 * emit-rtl.c (unshare_all_rtl): Ditto.
9912 (remove_unnecessary_notes): Ditto.
9913 * except.h (set_nothrow_function_flags): Ditto.
9914 (convert_to_eh_region_ranges): Ditto.
9915 * cfgexpand.c (tree_expand_cfg): Ditto.
9916 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9917 * tree-ssa-pre.c (do_pre): Ditto.
9918 (execute_fre): Ditto.
9919 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9920 (rest_of_handle_jump2): Ditto.
9921 * tree-sra.c (tree_sra): Ditto.
9922 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9923 (execute_mudflap_function_decls): Ditto.
9924 * tree-ssa-copy.c (do_copy_prop): Ditto.
9925 (do_store_copy_prop): Ditto.
9926 * ipa-prop.h (ipcp_driver): Ditto.
9927 * cfglayout.c (insn_locators_initialize): Ditto.
9928 * tree-ssa-forwprop.c
9929 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9930 * cfglayout.h (insn_locators_initialize): Ditto.
9931 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9932 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9933 (execute_late_warn_uninitialized): Ditto.
9934 * rtl.h (cleanup_barriers): Ditto.
9935 (split_all_insns_noflow): Ditto.
9936 (purge_line_number_notes): Ditto.
9937 (unshare_all_rtl): Ditto.
9938 (remove_unnecessary_notes): Ditto.
9939 (recompute_reg_usage): Ditto.
9940 (variable_tracking_main): Ditto.
9941 * integrate.c (emit_initial_value_sets): Ditto.
9942 * integrate.h (emit_initial_value_sets): Ditto.
9943 * tree-optimize.c (execute_free_datastructures): Ditto
9944 (execute_free_cfg_annotations): Ditto.
9945 (execute_fixup_cfg): Ditto.
9946 (execute_cleanup_cfg_pre_ipa): Ditto.
9947 (execute_cleanup_cfg_post_optimizing): Ditto.
9948 (execute_init_datastructures): Ditto.
9949 * tree-object-size.c (compute_object_sizes): Ditto.
9950 * combine.c (rest_of_handle_combine): Ditto.
9951 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9952 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9953 (rest_of_handle_reorder_blocks): Ditto.
9954 (rest_of_handle_partition_blocks): Ditto.
9955 * var-tracking.c (variable_tracking_main): Ditto.
9956 * tree-profile.c (tree_profiling): Ditto.
9957 * tree-vect-generic.c (expand_vector_operations): Ditto.
9958 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9959 * sched-rgn.c (rest_of_handle_sched): Ditto.
9960 (rest_of_handle_sched2): Ditto.
9961 * basic-block.h (free_bb_insn): Ditto.
9962 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9963 * tree-cfg.c (execute_build_cfg): Ditto.
9964 (remove_useless_stmts): Ditto.
9965 (split_critical_edges): Ditto.
9966 (execute_warn_function_return): Ditto.
9967 (execute_warn_function_noreturn): Ditto.
9968 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9969 * cfgrtl.c (free_bb_for_insn): Ditto.
9970 * passes.c (execute_one_pass): Run additional
9971 todos returned by execute function.
9972 * tree-pass.h (struct tree_opt_pass): Make execute
9975 2006-03-02 Richard Guenther <rguenther@suse.de>
9977 * tree-ssa-alias.c (find_used_portions): Consider taking
9978 the address as making the variable not write-only.
9980 2006-03-02 Nick Clifton <nickc@redhat.com>
9982 * config.gcc (default_use_cxa_atexit): Extend the description of
9983 this configure variable. Set its default value to "yes" for
9984 Linux, NetBSD and ELF targets on the assumption that they will
9985 use C libraries with the __cxa_atexit function.
9987 2006-03-02 Ben Elliston <bje@au.ibm.com>
9989 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9990 parameter as unused to suppress a build warning.
9992 2006-03-02 Ben Elliston <bje@au.ibm.com>
9994 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9997 2006-03-01 Roger Sayle <roger@eyesopen.com>
10000 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10001 declared name, the weak reference name, and the typeof name.
10002 (__gthrw): Avoid expanding the declared name suffix.
10003 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10005 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10007 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10009 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10010 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10011 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10012 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10013 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10014 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10015 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10016 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10017 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10018 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10019 (DW_END_default, DW_END_big, DW_END_little): New.
10020 (DW_END_lo_user, DW_END_hi_user): Define.
10021 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10022 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10023 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10026 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10028 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10030 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10032 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10034 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10036 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10037 to 'symbol_mem_tag'.
10039 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10042 2006-03-01 Roger Sayle <roger@eyesopen.com>
10044 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10046 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10049 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10050 MACHO_DYNAMIC_NO_PIC_P.
10051 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10053 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10056 * config/darwin-protos.h (darwin_asm_output_anchor):
10058 * config/darwin-sections.def (cstring_section):
10059 Add SECTION_MERGE to the flags.
10060 (literal4_section): Likewise.
10061 (literal8_section): Likewise.
10062 (objc_selector_refs_section): Likewise.
10063 (objc_cls_refs_section): Likewise.
10064 * config/darwin.c (darwin_asm_output_anchor): New
10066 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10068 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10070 Fix PR tree-optimization/26443
10071 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10072 to todo and PROP_tmt_usage to properties_destroyed.
10073 * tree-ssa-ccp.c (pass_ccp): Ditto.
10074 (pass_store_ccp): Ditto.
10075 * tree-ssa-dom.c (pass_dominator): Ditto.
10077 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10079 * tree-ssa-operands.c: Cleanup whitespace.
10080 (get_asm_expr_operands): Move before first invocation.
10081 (get_indirect_ref_operands): Likewise.
10082 (get_tmr_operands): Likewise.
10083 (get_call_expr_operands): Likewise.
10084 (append_def): Likewise.
10085 (append_use): Likewise.
10086 (append_v_may_def): Likewise.
10087 (append_v_must_def): Likewise.
10088 (add_call_clobber_ops): Likewise.
10089 (add_call_read_ops): Likewise.
10090 (add_stmt_operand): Likewise.
10091 (add_virtual_operand): Likewise.
10092 (build_ssa_operands): Likewise.
10094 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10096 PR middle-end/26022
10098 PR middle-end/24437
10099 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10100 with a call expr to ...
10101 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10103 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10105 * tree-vrp.c (extract_range_from_assert): Remove special
10106 handling for types with super-types.
10108 2006-03-01 Ben Elliston <bje@au.ibm.com>
10110 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10111 and powerpc64-*-linux* configurations.
10112 * config/t-dfprules: New file.
10114 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10115 Compile dfp-bit.c from the source directory using -DWIDTH and
10116 $DFP_CFLAGS to control the compilation of that file, rather than
10117 generating width-specific versions in the build directory.
10118 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10119 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10121 2006-02-28 Zack Weinberg <zackw@panix.com>
10123 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10126 2006-02-28 Eric Christopher <echristo@apple.com>
10128 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10129 Set up IN_LIBGCC definition of TARGET_64BIT.
10130 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10132 2006-02-28 Roger Sayle <roger@eyesopen.com>
10134 PR middle-end/14752
10135 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10136 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10137 cases via the construction of "expr != 0".
10139 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10141 * alias.c (alias_invariant, alias_invariant_size): Remove.
10142 (record_base_value): Remove.
10143 (memrefs_conflict_p): Don't look at alias_invariant.
10144 (end_alias_analysis): Don't free it.
10145 * alias.h (record_base_value): Remove prototype.
10147 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10148 Adam Nemet <anemet@caviumnetworks.com>
10150 * rtl.h (truncated_to_mode): Declare it.
10151 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10152 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10153 (RTL_HOOKS_INITIALIZER): Include it.
10154 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10155 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10156 reg_truncated_to_mode.
10157 * rtlanal.c (truncated_to_mode): Define it.
10158 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10160 2006-02-28 Jeff Law <law@redhat.com>
10162 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10163 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10164 the range allowed by TYPE_PRECISION.
10166 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10168 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10170 PR tree-optimization/26419
10171 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10174 2006-02-27 Zack Weinberg <zackw@panix.com>
10176 * doc/md.texi: Fix typo in previous change.
10178 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10182 2006-02-27 Zack Weinberg <zackw@panix.com>
10184 * rtl.def (define_constraint, define_register_constraint)
10185 (define_memory_constraint, define_address_constraint): New MD forms.
10186 * gensupport.c (process_rtx): Put define_constraint etc on the
10188 * genpreds.c (process_define_predicate): Adjust comment. Validate
10189 the name, and call validate_exp to validate the expression.
10190 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10191 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10192 all callers changed.
10193 (validate_exp, needs_variable, struct constraint_data)
10194 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10195 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10196 (const_dbl_constraints, constraint_max_namelen)
10197 (have_register_constraints, have_memory_constraints)
10198 (have_address_constraints, have_address_constraints)
10199 (have_extra_constraints, have_const_int_constraints)
10200 (have_const_dbl_constraints, mangle, add_constraint)
10201 (process_define_constraint, process_define_register_constraint)
10202 (write_enum_constraint_num, write_lookup_constraint)
10203 (write_insn_constraint_len, write_regclass_for_constraint)
10204 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10205 (write_insn_extra_memory_constraint)
10206 (write_insn_extra_address_constraint)
10207 (write_satisfies_constraint_fns): New.
10208 (write_tm_preds_h): If we have new-style constraint definitions,
10209 prototype the functions generated from them, and define the
10210 old constraint interface (still used by generic code) in terms of
10212 (write_insn_preds_c): If we have new-style constraint definitions,
10213 generate all relevant functions from those definitions.
10214 (main): Handle define_constraint etc.
10215 * genoutput.c (struct constraint_data, indep_constraints)
10216 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10217 (mdep_constraint_len): New data structures and functions, defined
10218 #ifdef USE_MD_CONSTRAINTS.
10219 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10220 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10221 use new logic to validate operand constraints against constraint
10223 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10225 * defaults.h: If none of the old-style constraint macros are
10226 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10227 old-style macros; and poison REG_CLASS_FROM_LETTER,
10228 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10230 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10231 * doc/md.texi: Document new constraint-definition mechanism and the
10232 C interface it provides. Remove references to old mechanism
10233 elsewhere in the document.
10234 (Machine Constraints): Use pathnames relative to gcc directory,
10235 i.e. config/ARCH/FILE. Change i386 section to refer to
10236 config/i386/predicates.md; update that section to match docstrings.
10237 * doc/tm.texi: Move all documentation of the old constraint-
10238 definition macros to their own section, clearly mark as obsolete.
10240 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10241 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10243 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10244 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10245 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10246 constraint strings.
10247 (splits and peepholes): Use satisfies_constraint_*.
10248 * config/i386/i386.c (memory_address_length)
10249 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10251 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10253 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10254 scalar operation to be put back into the loop.
10256 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10259 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10260 (extract_cie_info): Handle S flag in augmentation string.
10261 (execute_cfa_program): If context->signal_frame, execute also
10262 fs->pc == context->ra instructions.
10263 (uw_frame_state_for): If context->signal_frame, don't subtract one
10264 from context->ra to find FDE.
10265 (uw_update_context_1): Set context->signal_frame to
10267 (_Unwind_GetIPInfo): New function.
10268 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10269 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10271 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10272 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10273 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10274 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10275 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10276 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10277 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10278 x86_64_fallback_frame_state): Set fs->signal_frame.
10279 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10280 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10281 (frob_update_context): Likewise. Workaround missing S flag in
10282 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10283 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10284 Remove the psw_addr + 1 hack.
10286 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10288 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10289 with aggregates here.
10290 (find_func_aliases): Remove code for &<aggregate> from here.
10292 2006-02-26 Roger Sayle <roger@eyesopen.com>
10294 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10295 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10296 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10297 as (X & C) ne/eq 0.
10299 2006-02-26 Roger Sayle <roger@eyesopen.com>
10301 PR middle-end/19983
10302 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10304 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10306 * opts.c (decode_options): Do not handle flag_strength_reduce.
10307 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10308 and OPT_fstrength_reduce.
10309 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10310 flag_prefetch_loop_arrays for being nonzero.
10311 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10313 (fprefetch-loop-arrays-rtl): Removed.
10314 (flag_prefetch_loop_arrays): Do not specify the value.
10316 * doc/passes.texi: Update documentation of loop optimizer
10318 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10319 -frerun-loop-opt): Remove.
10321 2006-02-26 Richard Guenther <rguenther@suse.de>
10323 PR tree-optimization/26421
10324 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10325 in function calls that are ADDR_EXPRs as using the whole structure.
10327 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10329 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10330 * tree-pass.h (pass_loop_optimize): Remove.
10331 * passes.c (pass_loop_optimize): Never run it.
10332 * toplev.c (backend_init): Don't call init_loop.
10333 * opts.c (flag_loop_optimize_set): Remove.
10334 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10335 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10336 the old RTL loop optimizer when profiling enabled.
10337 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10338 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10339 pre-headers for the sake of the old RTL loop optimizer.
10340 * Makefile.in: Remove all references to loop.o.
10342 * doc/invoke.texi: Remove all references to -floop-optimize
10343 and -frerun-loop-opt.
10345 2006-02-26 Zack Weinberg <zackw@panix.com>
10347 * doc/md.texi (Machine Constraints): Refer to all files with paths
10348 relative to gcc directory (i.e. config/CPU/file). Add missing
10349 @table @code ... @end table to M32C subsection.
10351 2006-02-26 Roger Sayle <roger@eyesopen.com>
10353 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10355 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10357 2006-02-26 Roger Sayle <roger@eyesopen.com>
10358 James A. Morrison <phython@gcc.gnu.org>
10360 PR middle-end/21137
10361 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10362 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10363 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10364 signedness of the shift operation.
10366 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10368 PR tree-optimization/26359
10369 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10371 2006-02-25 Roger Sayle <roger@eyesopen.com>
10373 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10374 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10375 as X == 0, and some symmetry related transformations.
10376 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10378 2006-02-25 Roger Sayle <roger@eyesopen.com>
10380 PR middle-end/23673
10381 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10382 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10383 symmetry related transformations. Fold (X^C1) == C2 as
10386 2006-02-25 Juergen Weigert <jw@suse.de>
10387 Richard Guenther <rguenther@suse.de>
10389 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10391 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10393 * combine.c (gen_lowpart_or_truncate): Call
10394 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10396 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10398 * doc/invoke.texi: Move -fopenmp description to "Options for
10400 Remove reference to -lgomp.
10402 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10404 * doc/install.texi: Require GNU tar version 1.14.
10406 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10408 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10409 * doc/invoke.texi (C++ Dialect Options): Document
10410 -fno-use-cxa-get-exception-ptr.
10411 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10412 * configure: Regenerate.
10413 * c.opt (fuse-cxa-get-exception-ptr): New.
10414 * c-opts.c (c_common_handle_option): Handle
10415 OPT_fuse_cxa_get_exception_ptr.
10416 * c-common.c (flag_use_cxa_atexit): Update documentation.
10417 (flag_use_cxa_get_exception_ptr): New.
10418 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10419 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10421 (C_COMMON_OVERRIDE_OPTIONS): New.
10423 2006-02-24 Roger Sayle <roger@eyesopen.com>
10425 PR middle-end/24952
10426 * combine.c (try_combine): Explicitly check whether GET_CODE is
10427 a SET or a CLOBBER, instead on checking that it isn't a USE.
10429 2006-02-24 Roger Sayle <roger@eyesopen.com>
10431 * fold-const.c (fold_comparison): New subroutine of fold_binary
10432 containing transformations common to both the equality and
10433 ordering relational operators, factored out of fold_binary.
10434 (fold_binary): Separate out the equality operators (EQ_EXPR
10435 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10436 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10437 transformations common to both.
10438 (fold_div_compare): Fix latent bugs in the previously unreachable
10439 LT_EXPR and GE_EXPR cases.
10441 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10443 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10444 decl libname for clog to __clog on AIX.
10446 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10448 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10451 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10452 output traceback table for thunks. Localise rs6000_stack_info call.
10454 2006-02-23 Roger Sayle <roger@eyesopen.com>
10455 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10457 * gthr-posix.h (__gthrw): Fix typo in comment.
10459 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10461 * doc/cpp.texi (Character sets): Document that we do support
10462 input files to be in any character set.
10464 2006-02-23 Jeff Law <law@redhat.com>
10466 * tree.h (PHI_ARG_NONZERO): Remove.
10467 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10468 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10469 node to the new node.
10471 PR tree-optimization/26425
10472 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10473 min/max, then assume its varying.
10475 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10477 PR rtl-optimization/26316
10478 * rtlanal.c (enum may_trap_p_flags): New.
10479 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10480 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10481 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10482 (may_trap_after_code_motion_p): New function.
10483 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10484 (find_invariant_insn): Use may_trap_after_code_motion_p.
10485 * rtl.h (may_trap_after_code_motion_p): Declare.
10487 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10489 * emit-rtl.c (immed_double_const): Cleanup.
10491 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10493 Fix PR tree-optimization/26376
10494 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10497 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10499 PR middle-end/26412
10500 * gimplify.c (omp_add_variable): Guard variable size decl test with
10501 DECL_SIZE (decl) check.
10503 2006-02-23 Richard Guenther <rguenther@suse.de>
10505 PR middle-end/26439
10506 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10507 like aggregate types.
10509 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10511 * configure.ac: Add --with{,out}-long-double-128 configure option.
10512 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10513 * configure: Rebuilt.
10514 * config.in: Rebuilt.
10515 * doc/install.texi (Options specification): Document
10516 --with-long-double-128.
10518 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10519 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10520 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10521 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10523 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10525 * config/s390/s390.c (override_options): Handle
10526 TARGET_DEFAULT_LONG_DOUBLE_128.
10528 * config/alpha/alpha.c (override_options): Handle
10529 TARGET_DEFAULT_LONG_DOUBLE_128.
10531 * config/sparc/sparc.c (sparc_override_options): Handle
10532 TARGET_DEFAULT_LONG_DOUBLE_128.
10534 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10536 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10537 (real-install-headers-tar, real-install-headers-cpio)
10538 (real-install-headers-cp): New targets.
10540 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10542 * tree.h (variable_section): Delete.
10543 * varasm.c (variable_section): Delete.
10545 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10547 * install.texi: Add notes on install.texi2html.
10548 (Building in parallel): Do not use footnotes.
10550 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10553 * doc/install.texi (Configuration): Document --disable-libgomp.
10555 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10557 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10559 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10561 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10562 (vec_extractv2df_0_sse): New.
10564 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10566 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10567 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10568 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10569 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10570 to the result of the expression.
10571 (def_cfa_1): Adjust.
10572 (frame_pointer_cfa_offset): Rename to...
10573 (frame_pointer_fb_offset): ... this. Adjust all uses.
10574 (convert_cfa_to_loc_list): Rename to...
10575 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10576 Pass it on to build_cfa_loc.
10577 (compute_frame_pointer_to_cfa_displacement): Rename to...
10578 (compute_frame_pointer_to_fb_displacement): ... this. New
10579 offset parameter. Use it in computation.
10580 (gen_subprogram_die): Compute cfa_fb_offset with the new
10581 macro, and use it to compute the fb loc list and the
10584 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10586 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10587 replaced with register_operand.
10588 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10589 non-DREG is expensive.
10590 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10591 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10594 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10596 * doc/install.texi2html: Use set -e.
10598 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10600 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10601 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10602 * doc/invoke.texi (-fshared-data): Delete.
10603 * common.opt (fshared-data): Delete.
10604 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10605 (assemble_static_space): Remove #if 0 code.
10606 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10607 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10608 * config/cris/cris.h: Remove FIXME.
10610 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10612 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10615 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10617 PR middle-end/26379
10618 * combine.c (simplify_shift_const_1): Disable nested shifts
10619 optimization for vector shifts.
10621 2006-02-20 Roger Sayle <roger@eyesopen.com>
10623 PR tree-optimization/26361
10624 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10625 of unsigned integer types.
10627 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10629 * tree-chrec.c (eq_evolutions_p): New.
10630 * tree-chrec.h (eq_evolutions_p): Declared.
10631 * tree-data-ref.c: Fix formatting.
10632 (datadep_stats, dependence_stats): New.
10634 (print_direction_vector): New.
10635 (dump_data_dependence_relation): Use print_direction_vector.
10636 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10637 (compute_subscript_distance): Static.
10638 (initialize_data_dependence_relation): Static. Get the number
10639 of loops surrounding the references from the callers, and initialize
10640 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10641 base_object_differ_p analyzers.
10642 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10643 compute_overlap_steps_for_affine_1_2,
10644 analyze_subscript_affine_affine): Count the classified dependences.
10645 Print a message when a test failed.
10646 (can_use_analyze_subscript_affine_affine): New.
10647 (analyze_siv_subscript): Compute the data dependences on symbolic
10648 scevs that verify can_use_analyze_subscript_affine_affine.
10649 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10650 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10651 Handle symbolic scevs.
10652 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10654 (subscript_dependence_tester): Moved...
10655 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10656 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10657 DDR_SIZE_VECT instead of getting it in parameter.
10658 (subscript_dependence_tester): ... here. Take as a parameter
10659 loop_nest_depth. Call build_classic_dist_vector and
10660 build_classic_dir_vector.
10661 (compute_affine_dependence): Update subscript_dependence_tester
10662 parameters. Update datadep_stats counters. Call
10663 compute_subscript_distance.
10664 (compute_self_dependence): Save the dist and dir vectors. Call
10665 compute_subscript_distance.
10666 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10667 (compute_all_dependences): Reorder parameters as they were before
10668 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10669 compute_subscript_distance. Update the use of
10670 compute_affine_dependence and initialize_data_dependence_relation.
10671 (find_data_references_in_loop): Handle COMPONENT_REF.
10672 (compute_data_dependences_for_loop): Initialize dependence_stats.
10673 Don't call build_classic_dist_vector and build_classic_dir_vector.
10674 Update the parameters of initialize_data_dependence_relation and
10675 compute_all_dependences. Print the statistics from datadep_stats.
10676 (analyze_all_data_dependences): Static. Not used until the pass for
10677 checking the data dependences is contributed.
10678 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10679 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10680 (initialize_data_dependence_relation, compute_affine_dependence,
10681 analyze_all_data_dependences, compute_subscript_distance): Removed.
10682 (print_direction_vector): New.
10683 * lambda.h (gcd): ... here.
10684 (lambda_vector_gcd): Moved here from gcd_vector.
10685 * lambda-code.c (gcd, gcd_vector): Removed.
10686 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10687 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10689 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10691 * ipa-type-escape.c: Tidy some comments and white space.
10692 * tree-ssa-operands.c: Likewise.
10694 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10697 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10698 (dump_decl_name): Do not walk the decl tree chains.
10699 * tree-pass.h (TDF_CHAIN): Remove.
10701 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10703 * Makefile.in (C): Remove
10705 (.PHONY): Remove C and PROTO
10707 2006-02-20 Roger Sayle <roger@eyesopen.com>
10709 PR middle-end/26236
10710 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10711 deprecated CHAR_TYPE tree code.
10713 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10715 * configure.ac (target_list): Add install-info, dvi, html.
10716 * configure: Regenerate.
10718 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10719 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10720 treelang/Make-lang.in: Do not use double-colon rules.
10722 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10724 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10725 (TMT_USED_ALONE): New macro.
10726 * tree-pass.h (PROP_tmt_usage): New property.
10727 (TODO_update_tmt_usage): New todo.
10728 * tree-ssa-alias.c (updating_used_alone): New variable.
10729 (recalculate_used_alone): New function.
10730 (compute_may_aliases): Set updating_used_alone, call
10731 recalculate_used_alone.
10732 * tree-sra.c (pass_sra): Note that this pass destroys
10733 PROP_tmt_usage, and add TODO_update_tmt_usage.
10734 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10735 * tree-flow.h (updating_used_alone): Prototype.
10736 (recalculate_used_alone): Ditto.
10737 * passes.c (execute_todo): Add code to set updating_used_alone,
10738 and call recalculate.
10739 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10740 for clobber if used alone, and add assert to verify used_alone
10743 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10745 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10746 for non tls symbols added.
10747 (legitimize_address): Do nothing for PLUS expressions if one of the
10748 addends is a tls symbol reference.
10750 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10754 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10756 * Makefile.in (BOOTSTRAPPING): New.
10757 (quickstrap): New definition if BOOTSTRAPPING=yes.
10759 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10760 * configure.ac: Substitute all_selected_languages with the languages
10761 that were configured. For all the other variables except
10762 lang_specs_files, include all the languages in the tree.
10763 * configure: Regenerate.
10765 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10766 if there is one. Run the commands to run fixincludes in the same
10769 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10770 * doc/install.texi: Document exact conventions for searching target tools.
10771 Document --with-build-time-tools. Document toplevel bootstrap. Document
10772 something more about building an Ada cross-compiler. Don't list GNU Make
10773 requirements which affect all platforms.
10775 2006-02-19 Roger Sayle <roger@eyesopen.com>
10777 PR middle-end/19543
10778 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10779 only equivalent if the have both the same mode and precision.
10781 2006-02-20 Ben Elliston <bje@au.ibm.com>
10783 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10785 2006-02-19 Roger Sayle <roger@eyesopen.com>
10786 Steven Bosscher <stevenb.gcc@gmail.com>
10788 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10789 constant pool references to identify stack mode constants.
10790 * rtlanal.c (constant_pool_constant_p): New predicate to check
10791 whether operand is a floating point constant in the pool.
10792 * rtl.h (constant_pool_constant_p): Prototype here.
10793 * loop.c (scan_loop): Avoid hoisting constants from the constant
10794 pool on STACK_REGS targets.
10795 (load_mems): Likewise.
10796 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10797 loads into x87 registers expensive in terms of register pressure.
10799 2006-02-19 Roger Sayle <roger@eyesopen.com>
10801 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10802 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10804 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10806 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10807 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10809 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10811 * doc/invoke.texi: Document -fipa-pta.
10812 * common.opt: Add ipa-pta option.
10813 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10814 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10815 (do_ds_constraint): Ditto.
10816 (get_constraint_for): Only add to referenced_vars if
10817 referenced_vars exists.
10818 (insert_into_field_list): Rewrite to do this unsorted.
10819 (insert_into_field_list_sorted): Rename old insert_into_field_list
10821 (create_function_info_for): Use insert_into_field_list_sorted.
10822 (create_variable_info_for): Rewrite so it uses unsorted version,
10823 since the field list is sorted.
10824 (intra_create_variable_infos): Only add to referenced_vars if
10825 referenced_vars exists.
10826 (ipa_pta_execute): Init heapvars, and delete when done.
10827 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10829 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10831 * doc/install.texi: Add missing `@samp'.
10833 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10835 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10838 2006-02-18 Mark Wielaard <mark@klomp.org>
10840 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10841 who added new 4.1 features, bug fixes and integration support.
10843 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10846 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10847 MEM for ABI_V4 pic.
10849 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10851 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10852 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10853 (copy_insn_1): Likewise. Don't copy each field individually.
10855 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10857 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10858 * rtl.c (rtx_size): Rename variable to...
10859 (rtx_code_size): ...this.
10860 (rtx_size): New function.
10861 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10862 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10864 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10865 * rtl.h (rtx_code_size): New variable.
10866 (rtx_size): Change from a variable to a function.
10867 (RTX_SIZE): Rename to...
10868 (RTX_CODE_SIZE): ...this.
10871 PR tree-optimization/17106
10872 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10873 (Anchored Addresses): New section.
10874 * doc/invoke.texi (-fsection-anchors): Document.
10875 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10876 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10877 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10878 * hooks.c (hook_bool_mode_rtx_false): New function.
10879 * hooks.h (hook_bool_mode_rtx_false): Declare.
10880 * gengtype.c (create_optional_field): New function.
10881 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10882 SYMBOL_REF_IN_BLOCK_P is true.
10883 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10884 (min_anchor_offset, max_anchor_offset): Likewise.
10885 (use_anchors_for_symbol_p): New hook.
10886 * toplev.c (compile_file): Call output_object_blocks.
10887 (target_supports_section_anchors_p): New function.
10888 (process_options): Check that -fsection-anchors is only used on
10889 targets that support it and when -funit-at-a-time is in effect.
10890 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10891 if the decl doesn't have one.
10892 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10893 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10894 of force_const_mem through use_anchored_address.
10895 (expand_expr_constant): New function.
10896 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10897 calling expand_expr for INDIRECT_REF.
10898 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10899 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10900 * expr.h (use_anchored_address): Declare.
10901 * loop-unroll.c: Don't declare rtx vectors here.
10902 * explow.c: Include output.h.
10903 (validize_mem): Call use_anchored_address.
10904 (use_anchored_address): New function.
10905 * common.opt (-fsection-anchors): New switch.
10906 * varasm.c (object_block_htab, anchor_labelno): New variables.
10907 (hash_section, object_block_entry_eq, object_block_entry_hash)
10908 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10909 (use_blocks_for_decl_p, change_symbol_section): New functions.
10910 (get_variable_section): New function, split out from assemble_variable.
10911 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10912 use_blocks_for_decl_p say so. Use change_symbol_section if the
10913 symbol has already been created.
10914 (assemble_variable_contents): New function, split out from...
10915 (assemble_variable): ...here. Don't output any code for
10916 block symbols; just pass them to place_block_symbol.
10917 Use get_variable_section and assemble_variable_contents.
10918 (get_constant_alignment, get_constant_section, get_constant_size): New
10919 functions, split from output_constant_def_contents.
10920 (build_constant_desc): Create a block symbol if use_object_blocks_p
10921 says so. Or into SYMBOL_REF_FLAGS.
10922 (assemble_constant_contents): New function, split from...
10923 (output_constant_def_contents): ...here. Don't output any code
10924 for block symbols; just pass them to place_section_symbol.
10925 Use get_constant_section and get_constant_alignment.
10926 (force_const_mem): Create a block symbol if use_object_blocks_p and
10927 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10928 (output_constant_pool_1): Add an explicit alignment argument.
10929 Don't switch sections here.
10930 (output_constant_pool): Adjust call to output_constant_pool_1.
10931 Switch sections here instead. Don't output anything for block symbols;
10932 just pass them to place_block_symbol.
10933 (init_varasm_once): Initialize object_block_htab.
10934 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10935 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10936 (place_block_symbol, get_section_anchor, output_object_block)
10937 (output_object_block_htab, output_object_blocks): New functions.
10938 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10939 (TARGET_ASM_OUT): Include it.
10940 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10941 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10942 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10943 (TARGET_INITIALIZER): Include them.
10944 * rtl.c (rtl_check_failed_block_symbol): New function.
10945 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10946 (block_symbol, object_block): New structures.
10947 (rtx_def): Add a block_symbol field to the union.
10948 (BLOCK_SYMBOL_CHECK): New macro.
10949 (rtl_check_failed_block_symbol): Declare.
10950 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10951 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10952 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10953 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10954 * output.h (output_section_symbols): Declare.
10955 (object_block): Name structure.
10956 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10957 (default_use_anchors_for_symbol_p): Declare.
10958 * Makefile.in (RTL_BASE_H): Add vec.h.
10959 (explow.o): Depend on output.h.
10960 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10961 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10962 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10963 (rs6000_use_blocks_for_constant_p): New function.
10965 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10967 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10969 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10972 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10975 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10977 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10981 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10983 PR middle-end/26334
10984 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10985 instead of DECL_REGISTER.
10987 2006-02-18 Olivier Hainque <hainque@adacore.com>
10990 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10992 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10995 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10996 * opth-gen.awk: Handle Var and InverseMask together.
10997 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10998 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10999 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11000 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11002 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11003 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11004 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11005 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11006 LINUX_DYNAMIC_LINKER): Define.
11007 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11008 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11010 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11011 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11012 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11013 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11014 (TARGET_C99_FUNCTIONS): Don't define.
11015 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11016 GLIBC_DYNAMIC_LINKER.
11017 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11018 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11019 GLIBC_DYNAMIC_LINKER64): Define.
11020 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11021 LINUX_DYNAMIC_LINKER64.
11022 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11023 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11024 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11025 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11026 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11027 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11028 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11029 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11030 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11031 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11032 and LINUX_DYNAMIC_LINKER32.
11033 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11034 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11035 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11036 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11037 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11039 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11040 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11041 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11042 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11043 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11044 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11045 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11046 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11047 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11048 LINUX_DYNAMIC_LINKER): Define.
11049 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11050 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11051 GLIBC_DYNAMIC_LINKER64): Define.
11052 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11053 LINUX_DYNAMIC_LINKER64.
11054 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11055 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11056 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11057 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11058 LINUX_DYNAMIC_LINKER): Define.
11059 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11060 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11061 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11062 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11063 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11064 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11065 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11066 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11067 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11068 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11069 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11070 * doc/invoke.texi (-muclibc): Remove caveat about supported
11073 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11075 * doc/cpp.texi (__TIMESTAMP__): Document.
11077 2006-02-17 Roger Sayle <roger@eyesopen.com>
11079 PR middle-end/25600
11080 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11081 C is one less than the width of X (and related transformations).
11082 * simplify-rtx.c (simplify_unary_operation_1): Transform
11083 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11084 depending on STORE_FLAG_VALUE, were C is one less then the
11087 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11089 Fix PR tree-optimization/26341
11090 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11091 about NAME_MEMORY_TAG's.
11093 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11096 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11097 with hardware float support, and software float support. Add fcpy
11098 alternative to hardware patterns. Add alternatives to copy between
11099 general and floating-point registers to the 32-bit pattern.
11100 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11101 secondary reload to load a QI or HI mode constant into a floating
11103 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11104 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11106 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11109 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11111 (load_macho_picbase_di): Likewise.
11113 2006-02-16 Jeff Law <law@redhat.com>
11115 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11116 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11117 (ssa_name_nonzero_p): Likewise.
11118 (get_value_range): Return NULL if VRP is not running.
11119 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11120 VRP routines do not discover a range.
11121 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11122 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11123 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11124 (tree_expr_nonnegative_p): Similarly.
11125 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11126 (restore_nonzero_vars_to_original_value): Remove.
11127 (unsafe_associative_fp_binop): Remove.
11128 (tree_ssa_dominator_optimize): Remove initialization and
11129 finalization of nonzero_vars and nonzero_vars_stack.
11130 (dom_opt_initialize_block): No longer push marker on
11131 nonzero_vars_stack.
11132 (dom_opt_finalize_block): No longer call
11133 restore_nonzero_vars_to_original_value.
11134 (record_equivalences_from_phis): No longer look for
11135 nonzero PHI arguments.
11136 (cprop_into_successor_phis): No longer propagate nonzero
11137 property into PHI arguments. Lose unused argument. Caller
11139 (record_equivalences_from_stmt): No longer record nonzero
11140 values for SSA_NAMEs.
11141 (lookup_avail_expr): No longer use nonzero_vars.
11143 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11144 for sizetype when sizetype is unsigned.
11146 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11148 PR rtl-optimization/25603
11149 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11150 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11151 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11152 with new meaning of SETS.
11154 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11159 * config/linux.opt: New file.
11160 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11161 LINUX_DYNAMIC_LINKER): Define.
11162 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11163 * config.gcc (*-*-linux*): Define extra_options.
11164 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11165 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11166 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11167 GLIBC_DYNAMIC_LINKER.
11168 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11169 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11170 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11171 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11172 * doc/invoke.texi (GNU/Linux Options): New section.
11174 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11176 * config/sparc/sparc.md (setjmp): Rewrite.
11177 (setjmp_32): Delete.
11178 (setjmp_64): Likewise.
11180 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11182 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11185 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11187 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11190 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11192 PR rtl-optimization/26296
11193 * Makefile.in (loop-invariant.c): Add except.h dependency.
11194 * loop-invariant.c: Include except.h.
11195 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11197 2005-02-16 Paul Brook <paul@codesourcery.com>
11199 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11202 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11204 PR rtl-optimization/25636
11205 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11206 when deciding whether an insn is an initializing insn.
11208 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11210 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11211 (tree_code_size): Ditto.
11212 * tree.h (struct tree_memory_tag): Remove parent_var.
11213 (struct tree_struct_field_tag): New.
11216 (union tree_node): Add sft member.
11217 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11219 (create_sft): Add size and offset argument, set SFT_OFFSET and
11221 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11222 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11223 * tree-flow-inline.h (get_subvar_at): Update for
11224 SFT_OFFSET/SFT_SIZE.
11225 (var_can_have_subvars): Ditto.
11226 (overlap_subvar): Ditto.
11227 * print-tree.c (print_node): Print out interesting things for
11229 * tree-flow.h (struct subvar): Remove offset and size members.
11230 * tree-ssa-operands.c (get_expr_operands): Update for
11231 get_indirect_ref_operands changes.
11232 (get_indirect_ref_operands): Call add_virtual_operand instead of
11233 add_stmt_operand. Only recurse on base var if requested.
11234 (access_can_touch_variable): New function.
11235 (add_stmt_operand): Split virtual operand handling into ...
11236 (add_virtual_operand): Here. Add offset, size, and for_clobber
11237 arguments. Prune alias sets.
11238 (add_call_clobber_ops): Call add_virtual_operand.
11240 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11242 PR middle-end/26300
11243 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11245 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11246 than TREE_CODE as index into omp_clause_num_ops array.
11248 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11250 PR rtl-optimization/26184
11251 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11253 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11254 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11255 must_precede, must_follow and tobe_scheduled.
11258 * opts.c (common_handle_option): Free new_option pointer.
11259 * df-core.c (df_analyze): Free postorder pointer.
11261 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11263 * Makefile.in: Fix the examples about the use of stamps
11265 2006-02-15 Michael Matz <matz@suse.de>
11267 PR middle-end/22275
11269 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11270 influenced by maximum_field_alignment or DECL_PACKED.
11271 (update_alignment_for_field): Ditto.
11272 (place_field): Ditto.
11273 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11276 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11278 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11279 (debug_flow_info): Pass it.
11280 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11281 * bb-reorder.c (reorder_basic_blocks): Likewise.
11282 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11283 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11284 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11285 * gcse.c (gcse_main, bypass_jumps): Likewise.
11286 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11287 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11288 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11289 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11290 * rtl.h (dump_flow_info): Adjust prototype.
11291 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11292 * var-tracking.c (variable_tracking_main): Likewise.
11293 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11294 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11297 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11299 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11302 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11304 PR tree-optimization/26209
11305 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11306 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11308 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11310 2006-02-14 Roger Sayle <roger@eyesopen.com>
11312 PR middle-end/23670
11313 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11314 (X,Y) and the corresponding symmetry related transformations.
11315 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11316 (X,Y) and its symmetry related transformations.
11318 2006-02-14 Roger Sayle <roger@eyesopen.com>
11320 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11323 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11325 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11327 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11330 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11331 support COMDAT group.
11332 * configure: Regenerate.
11334 2006-02-14 Roger Sayle <roger@eyesopen.com>
11336 PR middle-end/26279
11337 PR middle-end/26280
11338 PR middle-end/26283
11339 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11341 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11343 Fix PR tree-optimization/26260
11345 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11347 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11348 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11349 * tree-ssa-structalias.c (create_variable_info_for): Use
11350 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11352 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11354 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11356 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11357 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11358 of the ending condition.
11359 * tree-ssa-loop-manip.c: Include params.h.
11360 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11361 tree_unroll_loop): New functions.
11362 * tree-pass.h (pass_loop_prefetch): Declare.
11363 * loop.c (rest_of_handle_loop_optimize): Test for
11364 -fprefetch-loop-arrays-rtl.
11365 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11366 * timevar.def (TV_TREE_PREFETCH): New timevar.
11367 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11368 pass_loop_prefetch): New.
11369 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11370 (cleanup_tree_cfg_loop): Call scev_reset.
11371 * common.opt (fprefetch-loop-arrays-rtl): Add.
11372 * tree-ssa-loop-prefetch.c: New file.
11373 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11374 (new_temp_expr_table): Initialize expr_vars.
11375 (free_temp_expr_table): Cleanup expr_vars.
11376 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11377 expressions from being merged into one.
11378 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11379 (struct tree_niter_desc): Add control, bound and cmp fields.
11380 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11382 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11383 (tree-cfgcleanup.o): Add SCEV_H dependency.
11384 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11385 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11387 2006-02-14 Richard Guenther <rguenther@suse.de>
11389 PR tree-optimization/26258
11390 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11391 in PHI argument processing.
11393 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11395 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11396 new expression in the requested machine mode.
11398 2006-02-13 Roger Sayle <roger@eyesopen.com>
11400 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11401 directly, instead let do_compare_rtx_and_jump handle this for us.
11402 * expr.c (expand_expr_real_1): Likewise.
11403 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11404 before do_jump_by_parts_greater.
11405 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11406 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11408 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11410 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11412 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11414 PR rtl-optimization/26235
11415 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11416 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11419 2006-02-13 Jeff Law <law@redhat.com>
11421 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11424 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11426 PR middle-end/26092
11427 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11428 twice if decl is a builtin. When trying again, call get_callee_fndecl
11429 first to verify it is still a builtin.
11431 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11433 * dwarf2out.c (base_type_die): Don't add AT_name here.
11434 (subrange_type_die): Don't add AT_name here.
11435 (modified_type_die): Rearrange code flow. Do add AT_name here.
11437 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11439 PR rtl-optimization/26247
11440 PR rtl-optimization/26248
11441 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11443 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11445 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11446 * config/fixtfdi.c: Likewise.
11447 * config/fixunstfdi.c: Likewise.
11448 * config/floatditf.c: Likewise.
11450 2006-02-13 Roger Sayle <roger@eyesopen.com>
11452 PR middle-end/24427
11453 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11454 into (X,C2) if C1 is a subset of the bits of C2. Transform
11455 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11457 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11459 2006-02-13 Josh Conner <jconner@apple.com>
11462 * varasm.c (function_section): Check for section name before
11463 calling select_section on targets that define
11464 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11465 unlikely_text_section instead of hot_function_section if
11466 first_function_block_is_cold.
11468 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11470 PR middle-end/25335
11471 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11473 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11475 PR rtl-optimization/26222
11476 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11477 after tree->rtl expansion.
11478 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11479 before passing it to emit_move_insn.
11481 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11483 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11485 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11486 Clarify documentation.
11487 * c-common.h (warn_write_strings): Remove.
11488 * c-common.c (warn_write_strings): Likewise.
11489 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11492 2006-02-12 Roger Sayle <roger@eyesopen.com>
11494 PR middle-end/25724
11495 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11496 (do_jump_parts_zero_rtx): New function renamed from
11497 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11498 (do_jump_parts_equality_rtx): New function split out from
11499 do_jump_parts_equality. Old implementation renamed as above.
11500 Call do_jump_parts_zero_rtx if either operand is zero.
11501 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11502 do all of the heavy lifting.
11503 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11504 calling either do_jump_by_parts_greater_rtx or
11505 do_jump_by_parts_equality_rtx.
11506 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11507 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11508 moved to do_compare_rtx_and_jump, call it directly.
11509 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11510 mode argument. Call do_compare_rtx_and_jump.
11511 (emit_case_nodes): Update calls to do_jump_if_equal.
11513 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11515 PR rtl-optimization/26225
11516 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11518 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11520 PR rtl-optimization/26232
11521 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11523 2006-02-11 Jason Merrill <jason@redhat.com>
11526 * tree-inline.c (declare_return_variable): Just don't use the
11527 modify target if it's a gimple complex reg and the return slot
11530 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11532 * doc/contrib.texi: Update my entry.
11534 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11536 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11538 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11540 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11543 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11545 * doc/invoke.texi (-floop-optimize2): Removed.
11546 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11547 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11548 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11549 * common.opt (floop-optimize2): Removed.
11550 (fmove-loop-invariants): Enabled by default.
11552 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11554 * tree-if-conv.c (combine_blocks): Free the result of
11555 get_loop_exit_edges.
11557 2006-02-10 Jeff Law <law@redhat.com>
11559 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11561 PR tree-optimization/26213
11562 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11563 loop trying to follow SSA_NAME_VALUE chains.
11565 2006-02-10 Richard Guenther <rguenther@suse.de>
11567 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11568 deal with structures that end in implicitly variable sized arrays.
11570 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11572 PR rtl-optimization/24762
11573 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11576 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11578 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11579 (struct ivopts_data): Add regs_used field.
11580 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11581 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11582 instead of loop_data->regs_used;
11583 (free_loop_data): Do not free aux fields for loops.
11584 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11585 and tree_ssa_iv_optimize_finalize.
11587 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11589 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11591 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11594 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11595 computing the effective result type.
11597 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11599 PR inline-asm/16194
11600 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11601 (tree_overlaps_hard_reg_set): Declare.
11602 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11603 type and signature to match function type expected by walk_tree.
11604 (tree_overlaps_hard_reg_set): New function.
11605 (decl_conflicts_with_clobbers_p): Rename to:
11606 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11607 Use tree_overlaps_hard_reg_set. Changed caller.
11608 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11609 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11610 * cris.c (cris_md_asm_clobbers): Likewise.
11612 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11614 * reload1.c (emit_input_reload_insns): Delete code that tries to
11615 inherit using find_equiv_reg.
11617 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11619 * c-common.h (flag_const_strings): Don't declare.
11620 * c-common.c (flag_const_strings): Remove.
11621 * c.opt (fconst_strings): Remove.
11622 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11623 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11624 (c_common_init_options): Don't set flag_const_strings.
11625 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11627 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11629 * arm.md (tlobits_cbranch): New pattern.
11630 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11631 testing a single bit.
11633 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11636 * tree-ssa-pre.c (create_component_ref_by_pieces):
11637 Handle RETURN_DECL like VAR_DECL.
11639 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11641 PR middle-end/26134
11642 * fold-const.c (fold_indirect_ref_1): Fold
11643 "*(foo *)&complexfoo" to "__real__ complexfoo"
11644 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11646 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11648 * tree-flow-inline.h (var_can_have_subvars):
11649 Volatile variables should not have subvariables.
11651 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11654 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11655 multiplying unsigned values.
11658 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11660 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11662 2006-02-08 Jason Merrill <jason@redhat.com>
11665 * tree.def: Elaborate on difference from MODIFY_EXPR.
11666 * doc/c-tree.texi (INIT_EXPR): Likewise.
11667 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11668 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11669 (gimplify_target_expr): Likewise.
11670 (gimplify_cond_expr): Remove target handling.
11671 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11672 (gimplify_expr): Clobber it here.
11673 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11674 Do return slot optimization if we have an INIT_EXPR.
11677 * tree-inline.c (declare_return_variable): Also clear
11678 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11681 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11683 PR middle-end/22439
11684 * gimplify.c (gimplify_one_sizepos): Fix typo.
11686 2006-02-08 Jeff Law <law@redhat.com>
11688 PR tree-optimization/21417
11689 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11690 across a backedge if the control statement at the end of the
11691 block is data dependent on other statements in the same block.
11692 (record_temporary_equivalences_from_stmts): Remove over-conservative
11693 test for threading across backedges.
11695 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11696 control statement, handle all three special cases in the same
11697 manner as they all have the same desired solution. No longer
11698 special case edge flag updating when the post dominator is
11701 2006-02-08 Roger Sayle <roger@eyesopen.com>
11703 * tree.def (CHAR_TYPE): Remove.
11704 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11705 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11706 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11707 (gen_string_type_die): Delete unreachable function.
11709 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11710 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11711 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11712 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11713 * builtins.c (type_to_class): Likewise.
11714 * fold-const.c (fold_convert, build_range_check,
11715 merge_ranges): Likewise.
11716 * expr.c (count_type_elements): Likewise.
11717 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11718 * stor-layout.c (layout_type): Likewise.
11719 * ipa-type-escape.c (type_to_consider): Likewise.
11720 * gimplify.c (omp_firstprivatize_type_sizes,
11721 gimplify_type_sizes): Likewise.
11722 * explow.c (promote_mode): Likewise.
11723 * tree-sra.c (is_sra_scalar_type): Likewise.
11724 * varasm.c (output_constant): Likewise.
11725 * tree-inline.c (remap_type_1): Likewise.
11726 * convert.c (convert_to_pointer, convert_to_real,
11727 convert_to_integer, convert_to_complex): Likewise.
11729 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11731 * df-scan.c (df_def_record_1): A set destination may
11732 be a parallel regardless of mode.
11734 2006-02-08 Roger Sayle <roger@eyesopen.com>
11737 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11738 * config/mips/_tilib.c: Remove.
11739 * config/fixtfdi.c: New libgcc source file.
11740 * config/fixunstfdi.c: New source file.
11741 * config/floatditf.c: New source file.
11742 * config/floatunditf.c: New souce file.
11743 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11744 files above instead of config/mips/_tilib.c.
11745 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11747 2006-02-08 Jeff Law <law@redhat.com>
11749 PR tree-optimization/26169
11750 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11753 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11755 * df.h (DF_REG_SIZE): Return the length of the initialized
11758 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11760 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11761 __muldf3): Return a correctly signed zero.
11763 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11765 * passes.c (register_one_dump_file): Accept the current properties
11766 instead of pass number. Adjust call to dump_register. Remove
11768 (register_dump_files): Now a wrapper around...
11769 (register_dump_files_1): ... this one. Do not modify the pass
11771 (next_pass_1): Cosmetic fix.
11772 (execute_todo): Keep second parameter only. Use curr_properties
11773 instead of fetching it from the pass structure. Check and set
11775 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11776 instead of fetching it from the pass structure. Fix calls to
11777 execute_todo. Update curr_properties and initialize .vcg RTL dump
11778 after running the pass. Reset last_verified.
11779 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11781 (FIRST_AUTO_NUMBERED_DUMP): New.
11782 (dump_register): Remove "num" parameter, assign it within the
11784 (get_dump_file_name): Modify template for dumps.
11785 * tree-dump.h (dump_register): Adjust prototype.
11786 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11787 (PROP_trees): Add PROP_gimple_lomp.
11788 (TODO_set_props): New.
11789 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11790 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11791 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11793 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11795 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11796 (sparc64-*-linux*): Likewise.
11797 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11798 * config/sparc/t-linux: New file.
11799 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11800 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11801 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11802 -m32 -mlong-double-128.
11804 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11805 * config/alpha/t-linux: New file.
11806 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11808 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11809 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11810 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11811 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11812 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11813 (CPP_ARCH32_SPEC): Remove.
11815 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11817 PR tree-optimization/26145
11818 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11821 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11824 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11825 >= 240000 when generating code for SOM runtime.
11826 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11827 to $$dyncall when generating code for SOM runtime..
11829 2006-02-07 Dirk Mueller <dmueller@suse.com>
11832 * doc/invoke.texi (-Wsequence-point): Update documentation
11833 that -Wsequence-point is implemented for C++ as well.
11835 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11837 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11838 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11839 (LIB_SPEC): Likewise.
11840 * doc/invoke.texi (SPARC options): Document -pthread.
11842 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11844 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11847 2006-02-07 Roger Sayle <roger@eyesopen.com>
11849 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11850 Correct comment describing BOOLEAN_TYPE.
11852 2006-02-07 Dirk Mueller <dmueller@suse.com>
11854 * c.opt: C++ frontend supports -Wdiv-by-zero.
11855 * c-opts.c (c_common_handle_option): Remove dead case.
11857 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11859 * configure.ac (TLS assembler check): Do not enable TLS by
11860 default on SPARC/Solaris before version 10.
11861 * configure: Regenerate.
11863 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11865 * doc/invoke.texi (xl-compat): Document conversion and support
11868 2006-02-07 Jeff Law <law@redhat.com>
11870 * tree-vrp.c (find_conditional_asserts): Update comments.
11871 (simplify_stmt_for_jump_threading): New.
11872 (identify_jump_threads, finalize_jump_threads): New.
11873 (vrp_finalize): Call identify_jump_threads.
11874 (execute_vrp): Call finalize_jump_threads.
11875 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11876 (vrp_element, vrp_data, vrp_element_p): Remove.
11877 (vrp_hash_elt, vrp_variables_stack): Remove.
11878 (vrp_hash, vrp_eq, record_range): Remove.
11879 (simplify_cond_and_lookup_avail_expr): Remove.
11880 (extract_range_from_cond): Remove.
11881 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11882 (simplify_stmt_for_jump_threading): New.
11883 (dom_thread_across_edge): New wrapper.
11884 (tree_ssa_dominator_optimize): No longer initialize or
11885 finalize any of the VRP datastructures. Remove iteration
11886 step and simplify as a result of removal of iteration step.
11887 (pass_dominator): Perform a cfg cleanup after DOM.
11888 (dom_opt_finalize_block): Use the new common routines
11889 for threading jumps. Simplify stack management slightly.
11890 No longer need to unwind VRP state.
11891 (record_equivalences_from_incoming_edge): No longer record
11893 (eliminate_redundant_computations): No longer call
11894 simplify_cond_and_lookup_avail_expr.
11895 * tree-flow.h (potentially_threadable_block): Prototype.
11896 (thread_across_edge): Likewise.
11897 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11898 (tree-ssa-threadedge.o): Add dependencies.
11899 * tree-ssa-threadedge.c: New file.
11900 * passes.c (init_optimization_passes): Merge PHIs before
11901 calling VRP. Run VRP again late in the SSA optimization pipeline.
11903 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11905 * df-core.c (df_set_blocks): Do not dereference function pointers.
11906 (df_finish1): Likewise.
11907 (df_hybrid_search_forward): Likewise.
11908 (df_hybrid_search_backward): Likewise.
11909 (df_iterative_dataflow): Likewise.
11910 (df_analyze_problem): Likewise.
11911 (df_compact_blocks): Likewise.
11912 (df_dump): Likewise.
11913 * df-scan.c (df_rescan_blocks): Likewise.
11914 (df_record_entry_block_defs): Likewise.
11916 * genconditions.c (write_conditions): Guard the definition of
11917 'insn_conditions' with the check on GCC version.
11918 (write_writer): Guard the traversal 'insn_conditions' with
11919 the check on GCC version.
11921 2006-02-07 Richard Guenther <rguenther@suse.de>
11925 2006-01-30 Richard Guenther <rguenther@suse.de>
11927 * gimplify.c (gimplify_target_expr): Handle easy cases
11928 without creating a temporary.
11930 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11932 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11933 use of float in probability computations. Use edge probabilities
11934 in place of statically computed probabilities.
11935 (min_spec_prob): New static variable.
11936 (schedule_insns): Initialize it.
11937 (GET_SRC_PROB): Removed.
11938 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11940 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11943 * config/ia64/unwind-ia64.c: Revert last change.
11944 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11945 (INCOMING_FRAME_SP_OFFSET): Define.
11947 2006-02-06 Roger Sayle <roger@eyesopen.com>
11949 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11951 2006-02-07 Ben Elliston <bje@au.ibm.com>
11953 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11954 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11955 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11956 (ix86_return_in_memory): Handle TDmode.
11957 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11958 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11960 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11962 * reorg.c (dbr_schedule): Use dump_file instead of file.
11964 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11967 * config/ia64/predicates.md (extr_len_operand): New predicate.
11968 * config/ia64/ia64.md (extv): Tighten constraints.
11970 (*tbit_and_2): Ditto.
11971 (*tbit_and_3): Ditto.
11972 (*tbit_or_2): Ditto.
11973 (*tbit_or_3): Ditto.
11974 (*bit_zero): Ditto.
11977 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11980 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11982 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11984 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11985 loop_optimizer_init and loop_optimizer_finalize
11986 * tree-ssa-sink.c (execute_sink_code): Ditto.
11987 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11988 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11989 tree_ssa_loop_done): Ditto.
11990 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11991 * sched-ebb.c: Include output.h.
11992 (schedule_ebbs): Do not use dump argument.
11993 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11994 * loop.c (loop_dump_stream): Removed.
11995 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11997 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11998 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11999 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12000 loop_iterations, strength_reduce, record_biv, record_giv,
12001 final_giv_value, check_final_value, check_ext_dependent_givs,
12002 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12003 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12004 dump_file instead of loop_dump_stream.
12005 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12006 argument dump_file.
12007 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12009 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12010 * haifa-sched.c: Include output.h
12011 (schedule_insns, sched_init): Do not use dump argument.
12012 * mode-switching.c (optimize_mode_switching): Ditto.
12013 * modulo-sched.c (stats_file): Removed.
12014 (print_node_sched_params): Do not call argument dump_file.
12015 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12016 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12018 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12020 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12021 rtl_loop_init, rtl_loop_done): Ditto.
12022 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12023 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12025 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12026 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12027 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12028 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12029 * emit-rtl.c (renumber_insns): Ditto.
12030 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12031 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12032 * regclass.c (regclass): Ditto.
12033 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12034 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12035 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12036 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12038 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12039 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12041 * gcse.c (gcse_file, debug_stderr): Removed.
12042 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12043 rest_of_handle_gcse): Do not use dump argument.
12044 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12045 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12046 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12047 compute_code_hoist_vbeinout, compute_code_hoist_data,
12048 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12049 compute_store_table, build_store_vectors, insert_insn_start_bb,
12050 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12051 store_motion): Use dump_file instead of gcse_file.
12052 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12053 * profile.c (profile_dump_file): Removed.
12054 (branch_prob): Use dump_file instead of profile_dump_file.
12055 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12057 * tree-ssa-copy.c (dump_copy_of): Ditto.
12058 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12059 dump file to life_analysis.
12060 * bt-load.c (branch_target_load_optimize): Ditto.
12061 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12063 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12064 regclass, dbr_schedule): Declaration changed.
12065 * sched-int.h (sched_init): Declaration changed.
12066 * tree-profile.c (tree_profile_dump_file): Removed.
12067 (tree_profile_hooks): Removed profile_dump_file hook.
12068 * rtl-profile (rtl_profile_dump_file): Removed.
12069 (rtl_profile_hooks): emoved profile_dump_file hook.
12070 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12072 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12073 * tree-cfg.c (build_tree_cfg): Ditto.
12074 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12075 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12076 Declaration changed.
12077 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12078 life_analysis and schedule_insns.
12079 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12081 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12083 * config/mips/mips.c (mips_reorg): Ditto.
12084 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12087 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12089 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12090 (s390_mangle_fundamental_type): New.
12091 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12094 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12095 (alpha_mangle_fundamental_type): New.
12096 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12099 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12101 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12103 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12104 (sparc_mangle_fundamental_type): New.
12106 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12108 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12109 (s390x-*-linux*): Likewise.
12110 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12111 * config/s390/t-linux: New file.
12113 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12115 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12116 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12118 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12120 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12121 (ANTIC_SAFE_LOADS): New macro.
12122 (find_or_generate_expression): Add prototype.
12123 (set_contains_value): Allow null set for sake of not always having
12124 to allocate ANTIC_SAFE_LOADS.
12125 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12126 Allow COMPONENT_REF too.
12127 (valid_in_set): Allow COMPONENT_REF.
12128 Check ANTIC_SAFE_LOADS too.
12129 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12130 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12132 (can_PRE_operation): Add COMPONENT_REF.
12133 (create_component_ref_by_pieces): New function.
12134 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12135 (insert_aux): Move AGGREGATE_TYPE_P check here.
12136 (compute_avail): Set bb local stmt uids.
12137 (pass_pre): Use TODO_update_ssa_only_virtuals.
12139 2006-02-06 Ben Elliston <bje@au.ibm.com>
12141 * configure.ac: Unconditionally disable decimal float by default.
12142 * configure: Regenerate.
12144 2006-02-06 Ben Elliston <bje@au.ibm.com>
12146 * read-rtl.c (read_name): Terminate reading on EOF.
12148 2006-02-06 Ben Elliston <bje@au.ibm.com>
12150 * dfp.c (decimal_real_arithmetic): Change second argument type
12151 from int to enum tree_code. Do not always return true, but now
12152 return result of any call to decimal_do helper functions.
12153 * dfp.h (decimal_real_arithmetic): Update prototype.
12155 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12157 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12159 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12162 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12165 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12167 * tree-vrp.c (cfg_loops): Removed.
12168 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12169 Use current_loops instead of cfg_loops. Pass flags to
12170 loop_optimizer_init.
12171 * cfgloopmanip.c (fix_loop_structure): Update only available
12173 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12174 loop_optimizer_init.
12175 * modulo-sched.c (build_loops_structure): Removed.
12176 (sms_schedule): Use loop_optimizer_init.
12177 * loop-init.c (loop_optimizer_init): Use flags to determine
12178 which properties of loops to prepare.
12179 (rtl_loop_init): Pass flags to loop_optimizer_init.
12180 * tree-ssa-sink.c (execute_sink_code): Ditto.
12181 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12182 * tree-ssa-pre.c (init_pre): Ditto.
12183 * cfgloop.h (LOOPS_NORMAL): New.
12184 (loop_optimizer_init): Declaration changed.
12186 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12188 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12189 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12191 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12193 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12195 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12196 * pa/t-pa64: Delete quadlib.c rule.
12197 * pa/x-ada: Revert last change.
12198 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12200 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12202 PR rtl-optimization/26087
12203 * rtlanal.c (canonicalize_condition): Do not cross basic block
12206 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12209 * config/ia64/ia64.c: Include debug.h.
12210 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12211 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12212 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12213 (process_epilogue, process_set, process_for_unwind_directive):
12214 Output unwind info only if requested. Add CFA info if requested.
12215 Add new arguments as needed. Adjust callers.
12216 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12218 (DWARF2_FRAME_INFO): Define to zero.
12219 * config/ia64/unwind-ia64.c: Remove code that compensated for
12220 the CFA offset error fixed above.
12221 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12222 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12223 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12224 -funwind-tables and -fexceptions to enable frame info.
12225 (dwarf2out_frame_init): Define initial CFA even if
12226 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12227 DWARF2_UNWIND_INFO is nonzero, not just defined.
12228 (dwarf2out_frame_finish): Output non-EH call frame info only
12229 if DWARF2_FRAME_INFO is nonzero.
12230 (convert_cfa_to_loc_list,
12231 compute_frame_pointer_to_cfa_displacement): Define even if
12232 unwind info is not supported.
12233 (gen_subprogram_die): Use the above unconditionally. Remove
12234 legacy alternate code.
12235 * toplev.c (compile_file): Compile in call to
12236 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12237 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12239 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12240 Jakub Jelinek <jakub@redhat.com>
12242 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12243 IBM extended float format long double as "g" on powerpc*-linux.
12245 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12248 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12249 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12251 2006-02-03 Jason Merrill <jason@redhat.com>
12254 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12256 PR middle-end/25977
12257 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12258 on the return slot if it's an NRV.
12260 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12262 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12263 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12264 rewrite_use): Do not handle USE_OUTER.
12265 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12266 add_iv_outer_candidates, may_replace_final_value,
12267 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12268 (find_interesting_uses_op): Functionality of
12269 find_interesting_uses_outer_or_nonlin moved here.
12270 (find_interesting_uses_outside): Use find_interesting_uses_op.
12272 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12275 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12277 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12278 Ulrich Weigand <uweigand@de.ibm.com>
12281 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12282 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12283 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12284 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12286 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12287 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12288 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12289 Define secondary reloads for TFmode moves.
12290 (constant_modes): Add TFmode.
12291 (NR_C_MODES): Set to 8.
12292 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12294 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12295 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12296 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12297 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12298 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12299 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12300 (FPR mode macro): Add TFmode.
12301 (DSF mode macro): New.
12302 (<de>, <dee> mode attributes): Removed.
12303 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12304 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12305 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12306 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12307 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12308 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12309 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12310 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12311 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12312 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12313 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12314 "*negabs<mode>2", "sqrt<mode>2"):
12315 Changed <de> to <xde>. R constraint replaced by <Rf>.
12316 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12318 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12319 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12320 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12322 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12323 "extenddftf2", "extendsftf2"): New expanders.
12324 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12325 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12326 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12327 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12329 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12330 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12331 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12332 __floatditf): Add a GCC_4.1.0 symbol version tag.
12333 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12336 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12339 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12340 Use targetm.binds_local_p instead of TREE_PUBLIC.
12342 2006-02-02 Roger Sayle <roger@eyesopen.com>
12344 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12345 on INTEGER_TYPEs to indicate that it denotes a character type.
12346 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12347 signed_char_type_node, unsigned_char_type_node and char_type_node.
12348 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12349 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12350 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12352 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12353 Daniel Berlin <dberlin@dberlin.org>
12355 * tree-tailcall.c (arg_needs_copy_p): New function.
12356 (eliminate_tail_call): Use arg_needs_copy_p.
12357 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12358 (add_virtual_phis): New function.
12360 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12362 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12363 #ignore instead of #scratch for %g7 .register directive.
12365 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12367 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12370 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12372 * flow.c (calculate_global_regs_live): Assert that there aren't any
12375 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12377 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12378 what its name says.
12379 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12380 bsi_after_labels iterator.
12381 * tree-if-conv.c (find_phi_replacement_condition,
12382 replace_phi_with_cond_modify_expr): Likewise.
12383 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12384 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12386 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12388 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12390 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12393 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12394 array after growing it.
12396 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12398 PR middle-end/24901
12399 * fold-const.c (fold_checksum_tree): Change type of buf.
12401 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12403 * reload.c (push_secondary_reload): Initialize t_icode.
12405 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12407 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12408 -msoft-float -mlong-double-128 only issue a warning, but don't
12409 swich to DFmode long double.
12411 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12413 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12414 has a constant equivalent, iterate over equivalents for arg0,
12415 calling simplify_relational_operation and if there's a result
12416 cheaper than X, apply fold_rtx and return the result.
12418 2006-02-01 Jan Hubicka <jh@suse.cz>
12420 * opts.c (no_unit_at_a_time_default): New global variable.
12421 (decode_options): Use it.
12422 * opts.h (no_unit_at_a_time_default): Declare.
12424 2006-02-01 Paul Brook <paul@codesourcery.com>
12426 * function.c (assign_parm_setup_reg): Use function argument promotion
12428 * expr.c (expand_expr_real_1): Use function argument promotion rules
12431 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12433 * gcc.c (process_command): Change j to 'unsigned int'.
12435 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12437 PR middle-end/26001
12438 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12439 Use the corrected index for the character
12440 out of the string constant.
12442 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12444 * mode-switching.c (optimize_mode_switching): Fix size
12445 allocated for bb_info[n_entities].
12447 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12449 * gcc.c (main): Correct type that is allocated for
12450 explicit_link_files.
12452 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12454 * config/s390/s390.c (init_alignment_context): Set
12455 ALIAS_SET_MEMORY_BARRIER on the MEM.
12456 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12458 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12460 PR middle-end/25933
12461 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12463 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12466 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12468 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12469 * regrename.c: Ditto.
12470 * tree-ssa-loop-im.c: Ditto.
12471 * tree-dump.c: Ditto.
12472 * tree-complex.c: Ditto.
12473 * genrecog.c: Ditto.
12474 * tree-ssa-threadupdate.c: Ditto.
12476 * java/class.c: Ditto.
12477 * java/jcf-parse.c: Ditto.
12478 * java/resource.c: Ditto.
12479 * java/except.c: Ditto.
12480 * java/jvspec.c: Ditto.
12481 * java/jcf-write.c: Ditto.
12482 * java/jcf-path.c: Ditto.
12483 * java/gjavah.c: Ditto.
12484 * java/zextract.c: Ditto.
12485 * java/jcf-io.c: Ditto.
12486 * java/jcf.h: Ditto.
12487 * java/buffer.c: Ditto.
12488 * java/lang.c: Ditto.
12489 * java/parse-scan.y: Ditto.
12490 * java/lex.c: Ditto.
12491 * java/lex.h: Ditto.
12492 * cfgloopmanip.c: Ditto.
12493 * postreload-gcse.c: Ditto.
12494 * tree-ssa-loop-manip.c: Ditto.
12495 * postreload.c: Ditto.
12496 * tree-ssa-loop-ch.c: Ditto.
12499 * cppspec.c: Ditto.
12500 * diagnostic.c: Ditto.
12502 * genoutput.c: Ditto.
12504 * cfghooks.c: Ditto.
12505 * cfgloopanal.c: Ditto.
12506 * objc/objc-act.c: Ditto.
12508 * genextract.c: Ditto.
12509 * genautomata.c: Ditto.
12510 * pretty-print.c: Ditto.
12511 * genemit.c: Ditto.
12512 * cgraphunit.c: Ditto.
12514 * df-scan.c: Ditto.
12515 * haifa-sched.c: Ditto.
12516 * dominance.c: Ditto.
12518 * tree-ssa-loop-ivopts.c: Ditto.
12519 * df-core.c: Ditto.
12520 * mode-switching.c: Ditto.
12521 * modulo-sched.c: Ditto.
12523 * ipa-pure-const.c: Ditto.
12525 * fix-header.c: Ditto.
12527 * tree-stdarg.c: Ditto.
12528 * ipa-utils.c: Ditto.
12529 * loop-init.c: Ditto.
12530 * ipa-inline.c: Ditto.
12531 * cfganal.c: Ditto.
12533 * alloc-pool.c: Ditto.
12534 * dwarf2out.c: Ditto.
12536 * genattrtab.c: Ditto.
12537 * tree-ssa-loop-ivcanon.c: Ditto.
12538 * predict.c: Ditto.
12539 * timevar.c: Ditto.
12541 * fortran/gfortranspec.c: Ditto.
12542 * regmove.c: Ditto.
12543 * local-alloc.c: Ditto.
12544 * langhooks.c: Ditto.
12545 * function.c: Ditto.
12546 * tree-vectorizer.c: Ditto.
12548 * ipa-type-escape.c: Ditto.
12550 * tree-if-conv.c: Ditto.
12551 * profile.c: Ditto.
12553 * tree-data-ref.c: Ditto.
12554 * loop-unroll.c: Ditto.
12555 * treelang/treetree.c: Ditto.
12557 * bt-load.c: Ditto.
12558 * ggc-common.c: Ditto.
12560 * coverage.c: Ditto.
12562 * tree-cfgcleanup.c: Ditto.
12563 * tree-ssa-pre.c: Ditto.
12564 * cfgcleanup.c: Ditto.
12565 * loop-invariant.c: Ditto.
12566 * loop-iv.c: Ditto.
12567 * ipa-prop.c: Ditto.
12568 * print-tree.c: Ditto.
12569 * conflict.c: Ditto.
12570 * ggc-page.c: Ditto.
12571 * sched-deps.c: Ditto.
12572 * regclass.c: Ditto.
12573 * tree-object-size.c: Ditto.
12574 * combine.c: Ditto.
12575 * bb-reorder.c: Ditto.
12576 * resource.c: Ditto.
12577 * var-tracking.c: Ditto.
12578 * cfgloop.c: Ditto.
12579 * df-problems.c: Ditto.
12580 * reg-stack.c: Ditto.
12582 * gccspec.c: Ditto.
12583 * sched-rgn.c: Ditto.
12584 * tree-ssa-structalias.c: Ditto.
12585 * tree-ssa-reassoc.c: Ditto.
12586 * config/darwin-c.c: Ditto.
12587 * config/darwin.c: Ditto.
12588 * config/arm/arm.c: Ditto.
12590 * collect2.c: Ditto.
12591 * reload1.c: Ditto.
12593 2006-01-31 Nicolas Pitre <nico@cam.org>
12595 * arm.md (smaxsi3): Make aware of smax_m1.
12598 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12600 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12602 2006-01-31 Richard Guenther <rguenther@suse.de>
12604 * doc/invoke.texi (-msselibm): Document.
12605 * target.h (expand_library_builtin): New target hook.
12606 * builtins.c (expand_builtin): Use expand_library_builtin.
12607 (default_expand_library_builtin): New function.
12608 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12609 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12610 (link_gcc_math_spec): Declare.
12611 (static_specs): Add link_gcc_math_spec.
12612 * expr.h (default_expand_library_builtin): Declare.
12613 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12614 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12615 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12616 * config/i386/i386.opt (msselibm): New target option.
12617 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12618 (ix86_init_sse_abi_builtins): New function.
12619 (ix86_expand_library_builtin): Likewise.
12620 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12621 (override_options): Handle error conditions wrt -msselibm.
12622 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12623 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12624 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12627 2006-01-31 Richard Guenther <rguenther@suse.de>
12628 Paolo Bonzini <bonzini@gnu.org>
12630 * doc/install.texi (--disable-libgcc-math): Document.
12632 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12634 * expr.h (expand_normal): new inline function.
12635 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12636 * dojump.c: use it.
12637 * dwarf2out.c: use it.
12640 * expmed.c: use it.
12641 * except.c: use it.
12642 * config/sparc/sparc.c: use it.
12643 * config/i386/i386.c: use it.
12644 * config/rs6000/rs6000.c: use it.
12645 * config/arm/arm.c: use it.
12646 * config/mips/mips.c: use it.
12647 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12649 2006-01-30 Roger Sayle <roger@eyesopen.com>
12651 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12652 argv to the appropriate type.
12654 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12656 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12659 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12662 * config/s390/s390.c (struct machine_function): New flag
12663 decomposed_literal_pool_addresses_ok_p.
12664 (s390_reorg): Set it before final stage of literal pool transforms.
12665 (s390_decompose_address): Only accept displacements of the form
12666 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12668 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12670 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12671 the comparison routine return.
12673 2006-01-30 Michael Matz <matz@suse.de>
12675 * global.c (find_reg): Only evict for global regs.
12676 Take n_refs into account and dump more info.
12678 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12681 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12682 (pragma_trap, pragma_nosave_low_regs): Likewise.
12683 (current_function_anonymous_args): Likewise.
12684 (sh_deferred_function_attributes): New variable.
12685 (sh_deferred_function_attributes_tail): Likewise.
12686 (print_operand): For '@', look up trap_exit attribute.
12687 (calc_live_regs): Look up trapa_handler attribute. For trapa
12688 handlers, save/restore fpscr, but don't do any other
12689 interrupt-specific saves.
12690 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12691 Fix check for partially saved registers to check for SHmedia.
12692 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12693 (sh_output_function_epilogue): Don't clear any of the removed
12695 (sh_insert_attributes): Don't check pragma_interrupt.
12696 Insert deferred attributes. Check that interrupt attribute is
12697 present for other attributes that require its presence.
12698 (sh_attribute_table): Add new attributes trapa_handler and
12700 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12701 Don't check for pragma_interrupt. Don't store argument.
12702 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12703 (sh_deferred_function_attributes): Declare.
12704 (sh_deferred_function_attributes_tail): Likewise.
12705 * sh.md (sp_switch_1): Add operand. Change generator caller.
12706 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12707 (*return_i): Don't use when trap_exit attribute is in effect.
12708 (*return_trapa): New insn pattern.
12709 * sh-c.c: New file.
12710 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12711 setting c_target_objs and cxx_target_objs.
12712 * t-sh: Add rule for sh-c.o.
12714 2006-01-30 Richard Guenther <rguenther@suse.de>
12717 * gimplify.c (gimplify_target_expr): Handle easy cases
12718 without creating a temporary.
12720 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12722 * vec.h (safe_grow): Remove duplicated line.
12724 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12727 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12728 (expand_omp): ... here.
12729 (expand_omp_parallel): Only remove barriers for combined
12730 parallel+workshare constructs.
12732 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12736 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12737 * tree.c (build_qualified_type): Chain the new type to the original
12738 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12739 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12740 (build_pointer_type_for_mode): Only return unqualified types.
12741 (build_reference_type_for_mode): Likewise.
12743 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12745 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12746 * Makefile.in (CXX_COMPAT_WARN): Define.
12747 * configure: Regenerate.
12749 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12752 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12755 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12757 * toplev.c: Fix thinko.
12759 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12760 Marcin Dalecki <martin@dalecki.de>
12762 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12763 (push_srcloc): Use XNEW.
12764 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12766 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12768 * df-core.c (df_set_blocks): Deleted all variable.
12770 2006-01-28 Ian Lance Taylor <ian@airs.com>
12772 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12773 cgraph_output_pending_asms.
12775 2006-01-28 Zack Weinberg <zackw@panix.com>
12777 * c.opt: Add -W(no-)overlength-strings.
12778 * doc/invoke.texi: Document it.
12779 * c-opts.c (c_common_handle_option): -pedantic implies
12780 -Woverlength-strings, if not explicitly disabled already.
12781 (c_common_post_options): -Woverlength-strings defaults to off, and
12782 is always off for C++.
12783 * c-common.c (fix_string_type): Issue warning about strings longer
12784 than is portable only if warn_overlength_strings. Rearrange code
12785 a little for clarity.
12786 * configure.in: Check for -Wno-overlength-strings as well before
12787 enabling -pedantic in stage 1.
12788 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12789 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12791 * genconditions.c (write_header, write_one_condition)
12792 (write_conditions, write_writer): Consolidate very long strings
12793 that were broken up to fit in C89 portable limit. Don't use
12794 printf when fputs will do.
12796 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12798 * combine.c (simplify_comparison <AND>): Check
12799 TRULY_NOOP_TRUNCATION before start using a subreg.
12801 * config/mips/mips.md (*branch_zero<mode>,
12802 *branch_zero<mode>_inverted, *branch_equality<mode>,
12803 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12804 Remove mode check from comparisons.
12806 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12808 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12810 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12812 * expmed.c (const_mult_add_overflow_p): Remove.
12813 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12815 * recog.c (validate_replace_rtx_subexp): Remove.
12816 * recog.h: Remove the prototype for
12817 validate_replace_rtx_subexp.
12819 * integrate.h: Remove the prototype for
12820 copy_decl_for_inlining.
12821 * rtl.h: Remove the prototype for mark_constant_function.
12822 * tree-vectorizer.h: Remove the prototype for
12823 vect_strip_conversion.
12825 * modulo-sched.c (create_partial_schedule,
12826 free_partial_schedule, reset_partial_schedule): Make them
12829 * hooks.c (hook_bool_rtx_int_false): Remove.
12830 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12832 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12834 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12835 and -mlong-double-128 are incompatible.
12836 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12837 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12838 (TARGET_LIBGCC2_CFLAGS): Define.
12839 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12840 (TARGET_LIBGCC2_CFLAGS): Same.
12841 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12843 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12846 * c-typeck.c (build_binary_op): Perform implicit casts of
12847 operands before shortening them.
12849 * cfgloopmanip.c (split_loop_bb): Remove.
12850 * cfgloop.h: Remove the prototype for split_loop_bb.
12852 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12853 * cfgloop.h: Remove the prototype for
12854 flow_loop_outside_edge_p.
12856 * emit-rtl.c (init_virtual_regs): Make it static.
12857 * function.h: Remove the prototype for init_virtual_regs.
12859 * recog.c (peephole2_optimize): Make it static.
12860 * recog.h: Remove the prototype for peephole2_optimize.
12862 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12864 * df-scan.c (df_record_entry_block_defs): Check if
12865 INCOMING_RETURN_ADDR_RTX is defined.
12867 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12868 Kenneth Zadeck <zadeck@naturalbridge.com>
12870 PR rtl-optimization/24762
12871 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12872 * targhooks.c (hook_void_bitmap): New hook prototype.
12873 * targhoohs.h (hook_void_bitmap): Ditto.
12874 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12875 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12876 * target.h (live_on_entry): New function pointer.
12877 * df-scan.c (df_all_hard_regs): Removed.
12878 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12879 (df_scan_free_internal): Added df->entry_block_defs.
12880 (df_scan_alloc): Ditto.
12881 (df_scan_dump): Ditto.
12882 (df_uses_record): Plumbed flag field properly thru calls.
12883 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12884 This part fixes PR24762.
12885 (df_bb_refs_record): Added code to make the frame and arg
12886 pointers live in EH blocks.
12887 (df_refs_record): Added call to df_record_entry_block_defs.
12888 (df_record_entry_block_defs): New function.
12889 * df-core.c: Added comments to describe new artifical defs.
12890 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12891 (entry_block_defs): New field in struct df.
12892 (df_all_hard_regs): Deleted.
12893 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12894 * df-problems.c (df_ru_bb_local_compute_process_def):
12895 Added code to handle artifical defs in the entry to a function.
12896 (df_ru_bb_local_compute): Ditto.
12897 (df_rd_bb_local_compute_process_def): Ditto.
12898 (df_rd_bb_local_compute): Ditto.
12899 (df_lr_bb_local_compute): Ditto.
12900 (df_ur_bb_local_compute): Ditto.
12901 (df_urec_bb_local_compute): Ditto.
12902 (df_chain_create_bb): Ditto.
12903 (df_ur_local_finalize): Removed entry.
12904 (df_urec_init): Ditto.
12905 (df_urec_local_finalize): Ditto.
12906 (df_ri_bb_compute): Added detection of last use of pseudos.
12907 * Makefile.in (df-scan.o): Updated dependencies.
12908 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12909 * config/mips/mips.c (mips_set_live_on_entry): Added.
12910 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12912 * dce.c (marked_insn_p): Added code to handle artifical defs.
12914 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12916 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12918 (_mm_cvtsi128_si64): Likewise.
12919 (_mm_cvtsd_si64): Likewise.
12920 (_mm_cvttsd_si64): Likewise.
12921 (_mm_cvtsi64_sd): Likewise.
12922 (_mm_cvtsi64_si128): Likewise.
12923 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12924 (_mm_cvtsi64_m64): Likewise.
12925 (_m_to_int64): Likewise.
12926 (_mm_cvtm64_si64): Likewise.
12927 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12928 (_mm_cvttss_si64): Likewise.
12929 (_mm_cvtsi64_ss): Likewise.
12930 (_mm_cvtss_f32): Likewise.
12932 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12934 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12935 for pragma redefine_extname.
12937 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12940 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12941 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12942 -mno-minimal-toc to previous content.
12943 (bispecs): Remove goal.
12944 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12945 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12946 compatibility aliases on powerpc-*-*gnu*.
12947 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12948 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12949 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12950 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12951 (ldblspecs): New goal.
12952 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12953 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12955 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12956 L_sf_to_tf or L_df_to_tf is defined.
12958 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12959 Alan Modra <amodra@bigpond.net.au>
12962 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12963 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12964 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12965 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12966 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12967 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12968 (rs6000_override_options): Initialize rs6000_ieeequad.
12969 Initialize TFmode format to ibm_extended_format if not
12971 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12973 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12974 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12975 (function_arg_advance): IBM long double passed in two FPRs, not
12977 (function_arg): IBM long double passed in FPRs.
12978 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12979 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12980 Only multireg GPR aligned.
12981 (rs6000_init_libfuncs): Enable IBM long double functions if not
12983 (rs6000_generate_compare): Use IBM long double compare if not
12985 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12986 (TARGET_IEEEQUAD): Define.
12987 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12988 not TARGET_IEEEQUAD.
12989 * config/rs6000/rs6000.md: Enable TFmode patterns if
12991 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12992 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12993 and -mlong-double-128 are incompatible.
12994 * doc/invoke.texi (-mabi): Collect options together. Add
12995 ibmlongdouble and ieeelongdouble.
12997 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12999 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13001 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13002 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13003 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13004 * rtl.h (rtunion_def): Remove rt_ptr.
13006 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13007 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13008 * config/i386/winnt.c (i386_pe_mark_dllexport)
13009 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13011 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13013 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13015 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13019 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13020 pthread_key_delete. From John David Anglin. gthrw-ify
13021 pthread_getunique_np only if it it's not a macro. Delete
13023 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13024 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13025 __gthread_objc_condition_signal, __gthread_key_delete): Add
13026 "__attribute__ ((__unused__))" to unused arguments.
13027 (__gthread_recursive_mutex_init_function): Add missing return.
13028 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13029 gthr-posix95.h: Use macro-based approach for name redirection
13030 on targets missing weakref.
13032 2006-01-26 Zack Weinberg <zackw@panix.com>
13034 * genconditions.c (write_header): In generated code, #ifdef out
13035 all includes and fake declarations, except includes of bconfig.h
13036 and system.h, unless GCC_VERSION >= 3001. Do not include
13037 gensupport.h in any case.
13038 (write_conditions): Generate a definition of struct c_test. Add
13039 a comment to the generated #endif.
13040 (write_one_condition): Escape backslashes in string too.
13041 (write_writer): Generated code must escape backslashes and quote
13042 marks (but not newlines) in the strings it writes.
13043 * Makefile.in (build/gencondmd.o): Update dependencies.
13045 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13048 * Makefile.in (insn-automata.o): Add header file dependencies.
13049 * genautomata.c: Add includes.
13051 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13054 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13056 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13058 * configure.ac: Expect target tools paths to be passed from the toplevel
13059 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13061 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13063 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13066 * c.opt (Wpointer-sign): Init to -1.
13067 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13068 OPT_pedantic, to 0 otherwise.
13069 * doc/invoke.texi: Update.
13071 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13073 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13074 constants provided by 80387 instructions in the destination mode.
13076 2006-01-26 Richard Guenther <rguenther@suse.de>
13077 Andrew Pinski <pinskia@physics.uc.edu>
13080 partial PR tree-opt/17064
13081 * tree-ssa-structalias.c (intra_create_variable_infos):
13082 Create heap variables for incoming parameters if
13083 flag_argument_noalias > 1.
13084 (find_what_p_points_to): Look through default defs of
13087 2006-01-26 Jeff Law <law@redhat.com>
13090 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13091 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13092 within the VR_RANGE, use the VR_RANGE as the result, not the
13094 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13095 bounds for the type.
13097 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13099 * tree-ssa-alias.c (maybe_create_global_var): Change
13100 subvar walking to an assertion that we don't have subvar'd variables.
13102 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13105 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13106 Use a new variable, inner. PARM_DECLs are always non-weak.
13108 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13110 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13111 --disable-checking.
13113 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13115 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13117 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13119 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13120 (smax_insn, smin_insn, smax_0, smin_0): New.
13122 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13125 * config/cris/cris.c (cris_order_for_addsi3): New function.
13126 * config/cris/cris-protos.h: Prototype it.
13127 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13128 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13129 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13130 (split for "op.S1 [rx=rx+i],ry (swapped)")
13131 (split for "op(s|u).S1 [rx=rx+i],ry")
13132 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13133 Apply cris_order_for_addsi3 when generating addsi3 insns.
13135 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13137 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13138 (TREE_BLOCK): Add call to EXPR_CHECK.
13140 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13143 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13144 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13145 (dump_omp_clauses): ... here.
13146 (dump_generic_node): Handle OMP_CLAUSE.
13147 * tree.c (omp_clause_num_ops): New.
13148 (omp_clause_code_name): New.
13149 (tree_code_size): Handle OMP_CLAUSE.
13150 (tree_size): Likewise.
13151 (make_node): Document handling of OMP_CLAUSE.
13152 (tree_node_structure): Handle OMP_CLAUSE.
13153 (omp_clause_check_failed): New.
13154 (omp_clause_range_check_failed): New.
13155 (omp_clause_operand_check_failed): New.
13156 (build_omp_clause): New.
13157 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13158 * tree.h (enum omp_clause_code): Declare.
13159 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13160 (OMP_CLAUSE_RANGE_CHECK): Define.
13161 (OMP_CLAUSE_ELT_CHECK): Define.
13162 (omp_clause_check_failed): Declare.
13163 (omp_clause_operand_check_failed): Declare.
13164 (omp_clause_range_check_failed): Declare.
13165 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13166 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13167 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13168 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13169 (OMP_CLAUSE_IF_EXPR): Likewise.
13170 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13171 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13172 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13173 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13174 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13175 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13176 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13177 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13178 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13179 (OMP_CLAUSE_CODE): Define.
13180 (OMP_CLAUSE_SET_CODE): Define.
13181 (OMP_CLAUSE_CODE): Define.
13182 (OMP_CLAUSE_OPERAND): Define.
13183 (struct tree_omp_clause): Declare.
13184 (union tree_node): Add field 'omp_clause'.
13185 * treestruct.def (TS_OMP_CLAUSE): Define.
13186 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13187 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13188 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13189 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13190 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13191 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13192 (OMP_CLAUSE): Define.
13193 * print-tree.c (print_node): Handle OMP_CLAUSE.
13194 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13195 * c-typeck.c: Likewise.
13196 * gimplify.c: Likewise.
13197 * c-omp.c: Likewise.
13198 * tree-nested.c: Likewise.
13199 * tree-inline.c: Likewise.
13200 * c-parser.c: Likewise.
13201 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13204 2006-01-25 Roger Sayle <roger@eyesopen.com>
13206 PR rtl-optimization/25703
13207 * combine.c (try_combine): Handle zero_extract and strict_low_part
13208 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13210 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13212 * global.c: Fix comment typos.
13214 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13217 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13218 Use output_addr_const instead of assemble_name.
13220 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13222 * Makefile.in (sched-vis.o): Update dependencies.
13223 * haifa-sched.c (sched_finish): Clear current_sched_info.
13224 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13225 (dump_flow_info): Call it.
13226 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13228 * basic-block.h (dump_bb_info): Declare.
13229 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13230 option, and apply options only for dump files whose TDF_RTL,
13231 TDF_TREE, or TDF_IPA bits match.
13232 * rtl.h: Declare new functions exported from sched-vis.c.
13233 * sched-vis.c: Enable also if scheduling is not used.
13234 (print_value): Print the mode of registers if not inside scheduling.
13235 (print_insn): Make it work outside the scheduler. Beautify the output
13237 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13239 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13241 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13242 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13243 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13244 depending on the value of CONSTANT_POOL_ADDRESS_P.
13245 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13247 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13248 rather than SYMBOL_REF_DECL.
13249 (rtx_constant_pool): Remove const_rtx_sym_htab.
13250 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13251 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13252 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13253 Remove handling of const_rtx_sym_htab.
13254 (find_pool_constant): Delete.
13255 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13256 rather than find_pool_constant.
13257 (get_pool_constant_for_function): Delete.
13258 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13259 find_pool_constant.
13260 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13261 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13262 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13263 (SYMBOL_REF_CONSTANT): New macro.
13264 (get_pool_constant_for_function): Delete.
13265 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13266 rather than SYMBOL_REF_DECL.
13267 (i386_pe_mark_dllimport): Likewise.
13268 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13269 rather than SYMBOL_REF_DECL.
13270 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13271 (machopic_indirect_call_target): Likewise.
13273 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13275 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13277 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13279 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13281 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13283 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13285 2006-01-24 David Daney <ddaney@avtrex.com>
13288 * configure.ac (enable_tls): New enable option.
13289 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13290 * configure: Regenerate.
13291 * doc/install.texi (--enable-tls): Document new option.
13292 (--disable-tls): Ditto.
13294 2006-01-24 Richard Henderson <rth@redehat.com>
13296 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13297 * alias.c (true_dependence): Respect it.
13298 (canon_true_dependence, write_dependence_p): Likewise.
13299 * builtins.c (get_builtin_sync_mem): Set it.
13301 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13303 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13306 2006-01-24 DJ Delorie <dj@redhat.com>
13308 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13309 for storing constants in single-bit bitfields.
13311 2006-01-25 Ben Elliston <bje@au.ibm.com>
13313 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13315 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13318 * tree-ssa-pre.c (phi_translate): Return NULL
13319 for AGGREGATE_TYPE's.
13321 2006-01-24 Zack Weinberg <zackw@panix.com>
13323 * genautomata.c (process_state_for_insn_equiv_partition):
13324 Use xcalloc for insn_arcs_array.
13325 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13326 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13328 2006-01-24 Richard Henderson <rth@redhat.com>
13330 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13331 update all callers.
13333 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13335 PR rtl-optimization/25890
13336 PR rtl-optimization/25905
13337 * combine.c (expand_compound_operation, expand_field_assignment):
13338 Fail if the bitfield's final position is out of bounds.
13340 2006-01-24 Ian Lance Taylor <ian@airs.com>
13342 PR middle-end/25930
13343 * cgraphunit.c (cgraph_output_in_order): Don't clear
13344 cgraph_asm_nodes until after asm strings have been output.
13346 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13348 * fix-header.c (read_scan_file): Add new parameter imultilib when
13349 calling register_include_chains.
13351 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13353 * omp-low.c: Update documentation.
13355 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13356 Daniel Berlin <dberlin@dberlin.org>
13360 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13361 return from the function.
13363 2006-01-22 Zack Weinberg <zackw@panix.com>
13365 * rtl.def (match_code): Add second argument.
13366 * genpreds.c (write_extract_subexp): New function.
13367 (write_match_code): Add path argument. Use write_extract_subexp.
13368 (write_predicate_expr): Pass path to write_match_code.
13369 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13370 not perform a mode test.
13371 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13372 a subexpression does not constrain the top-level code set.
13373 * read-rtl.c (read_rtx_variadic): New function.
13374 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13375 * doc/md.texi: Document new notation.
13376 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13377 (cmpsi_operand): ... here, using new notation.
13379 2006-01-22 Zack Weinberg <zackw@panix.com>
13381 * varray.c: Remove GENERATOR_FILE #ifdefs.
13383 2006-01-22 Zack Weinberg <zackw@panix.com>
13385 * genautomata.c (output_reserved_units_table): Emit nothing if
13386 description->query_units_num is zero. Remove extra blank line.
13387 (output_cpu_unit_reservation_p): Short circuit
13388 if description->query_units_num is zero.
13390 2006-01-22 Zack Weinberg <zackw@panix.com>
13392 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13393 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13394 nor any of the random handful of variables that used to be necessary
13395 when this program was linked with rtlanal.o. Prune set of forward
13396 function declarations.
13397 (struct attr_desc): Remove static_p field.
13398 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13399 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13400 (attr_string): Do not read the character one past the length of
13402 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13403 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13404 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13405 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13406 (make_automaton_attrs): New.
13407 (main): Do not call into genautomata. Call local gen_bypass
13408 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13409 Remove special case for insn_alts.
13410 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13411 varray.h (leftover from previous change). Prune set of forward
13412 function declarations. Remove state_alts fields from all
13413 structures. Remove state_alts_table from struct automaton.
13414 Make everything except main static. Do not maintain num_dfa_decls.
13415 Do not maintain state_alts fields of various structures.
13416 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13417 (add_arc): Remove state_alts argument. All callers updated.
13418 (output_reserved_units_table): Emit #ifdef here...
13419 (output_tables): ...not here. Don't generate state_alts tables.
13420 (expand_automata): Don't generate attributes.
13421 (write_automata): Don't generate state_alts functions.
13422 (main): New function.
13423 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13424 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13425 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13426 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13427 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13428 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13429 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13430 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13432 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13433 * genattrtab.h: Delete file.
13434 * Makefile.in (OBJS-common): Add insn-automata.o.
13435 (insn-automata.o): New rule.
13436 (simple_generated_c): Add insn-automata.c.
13437 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13438 (genprogmd): Add automata.
13439 (build/genattrtab): Needs no extra objects nor libraries.
13440 (build/genautomata): Needs build/vec.o and -lm.
13442 2006-01-22 Zack Weinberg <zackw@panix.com>
13444 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13445 (output_dfa_max_issue_rate, locked_states_num): Delete.
13446 (struct automaton): Add locked_states field.
13447 (output_dead_lock_vect): Save number of locked states in
13448 automaton->locked_states. If it is zero, don't print anything.
13449 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13450 (output_internal_dead_lock_func): Only test the dead_lock_vect
13451 for automata that have locked states.
13452 (output_statistics): Always print the number of locked states for
13453 each automaton. Calculate total number of locked states here.
13454 (write_automata): Don't call output_dfa_max_issue_rate.
13455 * genattrtab.c: Define length_unit_log as a const variable.
13456 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13457 max_insn_queue_index const.
13458 * final.c (length_unit_log): Declare const.
13459 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13461 2006-01-22 Zack Weinberg <zackw@panix.com>
13463 * genautomata.c: Include vec.h, not varray.h.
13464 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13465 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13466 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13467 VEC_* macros operating on appropriately typed vectors, or to
13468 malloced arrays when the size is known in advance. Const-ify
13469 many char* variables and function arguments. No functional changes.
13470 * Makefile.in (build/varray.o): Delete rule.
13471 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13472 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13474 2006-01-22 Zack Weinberg <zackw@panix.com>
13476 * gensupport.c: Define get_insn_name and record_insn_name here.
13477 (read_md_rtx): Call record_insn_name as appropriate.
13478 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13479 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13480 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13482 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13483 (BUILD_VARRAY): Delete.
13484 (genprognormal): Rename genprogmd. Fold in all programs from
13485 genprognoprint; also attrtab.
13486 (build/genattrtab): Just mention genautomata.o and varray.o.
13487 Reorganize a bit, add comments to make the categories clearer.
13489 2006-01-22 Zack Weinberg <zackw@panix.com>
13491 * genconditions.c (condition_table, add_condition): Delete.
13492 (write_conditions): Don't emit n_insn_conditions nor
13493 insn_elision_unavailable. Issue the gcc version #ifdef here,
13494 inside the table, with no #else clause ...
13495 (write_header): ...not here.
13496 (write_writer): New function.
13497 (main): Don't initialize condition_table. Use add_c_test.
13499 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13500 files on the command line.
13501 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13502 Return -1 if there is no entry in the table, don't abort.
13503 (add_c_test, traverse_c_tests): New functions.
13504 * gensupport.h (insn_elision_unavailable, insn_conditions)
13505 (n_insn_conditions): Delete declarations.
13506 (add_c_test, traverse_c_tests): Declare.
13507 * read-rtl.c: Include gensupport.h.
13508 (read_conditions): New function.
13509 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13510 (read_rtx_1): If we get EOF when we were looking for an initial
13511 open paren, return 0. Call read_conditions when appropriate.
13512 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13513 dummy-conditions.o. Eliminate references to insn-conditions.o,
13514 or change them to build/gencondmd.o, as appropriate. Remove
13515 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13516 from $(simple_generated_c). For all files remaining in those
13517 two lists, add insn-conditions.md to the generator command line.
13518 Give insn-constants.h/s-constants their own rules. Add rules
13519 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13520 (build/read-rtl.o): Depend on gensupport.h.
13521 (genprognormal): Include preds.
13522 (genprogearly): Rename genprognoprint; only difference is now that
13523 they don't link with $(BUILD_PRINT).
13524 * dummy-conditions.c: Delete.
13526 2006-01-22 Zack Weinberg <zackw@panix.com>
13528 * genextract.c: Don't include insn-config.h. Do include vec.h.
13529 Declare vectors of int, char, and locstr.
13530 (locstr): New typedef.
13531 (struct extraction): Make all array fields into bare pointers.
13532 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13533 (insn_code_number): Delete.
13534 (accum_extract): New struct.
13535 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13536 (gen_insn): Take insn_code_number as an argument. Use an
13537 accum_extract structure instead of loading data directly into
13538 a struct extraction, and having to know how big it might get.
13539 (walk_rtx): Operate entirely on an accum_extract structure.
13540 (print_path): Avoid unnecessary use of printf.
13541 (print_header): New function, split out of main. Distinguish
13542 more carefully between an unrecognizable insn and an insn that
13543 has the code number of a define_expand.
13544 (main): Pass insn_code_number to gen_insn. Call print_header
13545 only after parsing. Avoid unnecessary use of printf.
13546 * Makefile.in (build/vec.o): New rule.
13547 (build/genextract): Depend on build/vec.o.
13548 (build/genextract.o): Don't depend on insn-config.h.
13550 2006-01-22 Zack Weinberg <zackw@panix.com>
13552 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13553 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13554 practical. Eliminate per-generator-program link rules.
13556 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13558 PR middle-end/24437
13559 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13560 with a call expr to ...
13561 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13563 2006-01-23 Richard Guenther <rguenther@suse.de>
13565 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13566 before make_edge with conditional EDGE_TRUE_VALUE.
13568 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13569 Jan Hubicka <jh@suse.cz>
13570 Richard Guenther <rguenther@suse.de>
13572 PR rtl-optimization/25654
13573 * cfgexpand.c (aggregate_contains_union_type): New function.
13574 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13575 for structure variables that contain a union type.
13577 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13579 * gengtype.c (new_structure): Return the structure.
13580 (create_option): Add an extra "next" argument.
13581 (create_field): New function.
13582 (adjust_field_rtx_def): Use create_option and create_field.
13583 Remove a now-unnecessary call to find_structure.
13584 (adjust_field_tree_def): Likewise.
13585 (note_yacc_type): Remove an unnecessary call to find_structure.
13586 * gengtype.h (new_structure): Return the structure.
13587 (create_option): Add an extra argument.
13588 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13589 (option): Adjust calls to create_option.
13591 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13593 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13595 2006-01-22 Paul Brook <paul@codesourcery.com>
13596 Peter Barada <peter@the-baradas.com>
13598 * config/m68k/m68k.md: Add Coldfire FPU support.
13599 Define FP mode macro and associated attributes.
13600 Use it for float mode patterns.
13601 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13602 (LIBCALL_VALUE): Use m68k_libcall_value.
13603 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13604 (m68k_function_value): Ditto.
13605 (emit_move_sequence): Ditto.
13606 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13607 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13608 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13609 (MULTILIB_EXCEPTIONS): Ditto.
13610 * config/m68k/m68k.opt: Add mcfv4e.
13611 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13612 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13613 (m68k_output_function_prologue): Save ColdFire FPU registers.
13614 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13615 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13616 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13617 ColdFire FPU registers.
13618 (m68k_libcall_value, m68k_function_value): New functions.
13619 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13620 (LIBCALL_VALUE): Use m68k_libcall_value.
13621 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13622 (MASK_COLDFIRE): Add MASK_CFV4E.
13623 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13624 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13625 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13626 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13627 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13628 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13629 * doc/invoke.tex: Document -mcfv4e on m68k.
13631 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13633 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13636 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13639 * c-opts.c (c_common_handle_option): Don't include
13640 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13641 * doc/invoke.texi (C++ Dialect Options): Document that
13642 -Wnon-virtual-dtor is no longer included in -Wall.
13644 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13646 * gcov.c (print_version), gcov-dump.c (print_version),
13647 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13650 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13652 * df-scan.c (problem_SCAN): Added NULL reset function.
13653 (df_scan_reset_blocks): Added code to call reset block function
13654 (df_bb_refs_delete) Fixed comment.
13655 (df_insn_refs_delete): Made tolerant of deleting non existent info
13656 for dataflow problems that need to be reset.
13657 * df-core.c (df_set_blocks): Ditto.
13658 * df.h (struct df_problem): Added reset_fun.
13659 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13660 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13661 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13662 functions to clear out all references to def-use or use-def chains.
13664 2006-01-21 Ben Elliston <bje@au.ibm.com>
13666 * varasm.c (assemble_real): Initialise data array.
13668 2006-01-20 Paul Brook <paul@codesourcery.com>
13670 Merge from csl-arm-branch.
13671 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13672 * config/arm/arm.md (movdi): Force operands[1] to a register
13673 if we have a non-register source.
13674 (*arm_movdi, *movdf_soft_insn): Require that one of the
13675 operands be a register.
13676 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13677 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13679 2006-01-20 DJ Delorie <dj@redhat.com>
13681 * varasm.c (initializer_constant_valid_p): Allow pointers
13682 initialized from integer constants of lesser precision.
13683 (output_constant): Allow non-int-sized pointer modes to be
13684 initialized from integer constants.
13686 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13689 * cppdefault.h (struct default_include): Add multilib flag.
13690 * cppdefault.c (cpp_include_defaults): Set it.
13691 * c.opt (-imultilib): New option.
13692 * c-opts.c (imultilib): New.
13693 (c_common_handle_option): Handle -imultilib.
13694 (c_common_post_options): Likewise.
13695 * c-incpath.c (add_standard_paths, register_include_chains):
13697 * c-incpath.h (register_include_chains): Add extra parameter.
13698 * gcc.c (do_spec_1): Generate -imultilib option.
13699 (The Specs Language): Update %I description.
13700 (process_command): Update copyright notice.
13701 * doc/cppopts.texi (-imultilib): Document.
13702 * doc/invoke.texi (-imultilib): Include in option summary.
13703 (%I): Update specs documentation.
13705 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13707 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13709 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13711 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13714 2006-01-20 Richard Guenther <rguenther@suse.de>
13715 Steven Bosscher <stevenb.gcc@gmail.com>
13717 PR rtl-optimization/24626
13718 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13719 EDGE_TRUE_VALUE if in RTL mode.
13722 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13723 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13725 2006-01-20 Dirk Mueller <dmueller@suse.com>
13728 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13729 instead of a special NOP marker.
13730 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13731 NOP marker handling.
13732 * c-common.h (empty_body_warning): Add forward declaration.
13733 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13734 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13736 2006-01-20 Paul Brook <paul@codesourcery.com>
13738 * Makefile.in (lang_checks): Keep going if mkdir fails.
13740 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13742 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13743 be able to clean out basic block when not necessary.
13744 (df_scan_free): Fixed to properly delete information if df is
13745 unused before calling df_finish.
13746 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13747 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13749 (df_bb_refs_delete): New function.
13750 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13751 * df-core.c (df_set_blocks): Added code to properly clean out
13752 unused blocks if they are not part of the blocks to consider.
13753 Added additional null check.
13754 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13755 be able to clean out basic block when not necessary
13756 * df.h (df_free_bb_function): Ditto.
13757 (df_bb_refs_delete): New function.
13758 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13759 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13760 basic block parameter to be able to clean out basic block when not
13762 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13763 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13764 Fixed to properly delete information if df is unused before
13767 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13769 PR rtl-optimization/25799
13770 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13771 Corrected confluence operator to remove bits from op2 before oring
13772 with op1 rather than removing bits from op1.
13773 (df_ru_transfer_function): Corrected test on wrong bitmap which
13774 caused infinite loop. Both of these problems were introduced in
13775 the dataflow rewrite.
13777 2006-01-19 DJ Delorie <dj@redhat.com>
13779 * reload1.c (find_reload_regs): Note the details of reload
13780 failures in the dump file.
13781 (spill_failure): Likewise.
13783 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13785 * loop-iv.c: Include df.h and hashtab.h.
13786 (enum iv_grd_result): New enum.
13787 (DF_REF_IV, DF_REF_IV_SET): New macros.
13788 (struct biv_entry): New.
13789 (df, bivs): New global variables.
13790 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13791 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13793 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13794 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13795 analyzed_for_bivness_p, record_biv): New functions.
13796 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13797 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13798 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13800 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13802 (iv_number_of_iterations): Use new interface to iv analysis.
13803 * loop-unroll.c: Do not include varray.h.
13804 (analyze_iv_to_split_insn): Use new interface to iv
13806 * loop-unswitch.c (may_unswitch_on): Ditto.
13807 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13809 (df_bb_modify): Realloc tables to the new index.
13810 (df_find_use): New function.
13811 * df.h (df_find_use): Declare.
13812 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13814 * cfgloop.h (struct rtx_iv): Remove analysed field.
13815 (iv_get_reaching_def): Removed.
13816 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13817 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13818 (loop-iv.o): Add df.h and hashtab.h dependency.
13819 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13821 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13824 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13826 (__floatundisf, __floatundidf): Likewise.
13827 * libgcc2.h (IS_IBM_EXTENDED): Define.
13829 2006-01-19 DJ Delorie <dj@redhat.com>
13831 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13833 2006-01-19 Paul Brook <paul@codesourcery.com>
13835 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13836 as nothrow when unwinding tables are disabled.
13838 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13841 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13842 of bit-field" when in system header.
13844 2006-01-19 DJ Delorie <dj@redhat.com>
13846 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13847 the 16 bit shift limit of the m16c.
13849 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13852 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13853 * config/i386/i386.c (output_set_got): Output the label if we have one
13854 for the TARGET_DEEP_BRANCH_PREDICTION case.
13856 2006-01-19 Jan Hubicka <jh@suse.cz>
13857 H.J. Lu <hongjiu.lu@intel.com>
13858 Evandro Menezes <evandro.menezes@amd.com>
13860 * invoke.texi (generic): Document
13862 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13863 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13864 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13865 (x86_use_incdec, x86_pad_returns): New variables
13866 (TARGET_CPU_DEFAULT_generic): New constant
13867 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13868 (enum processor_type): Add generic32 and generic64.
13869 * i386.md (cpu attribute): Add generic32/generic64
13870 (movhi splitter): Behave sanely when both partial_reg_dependency and
13871 partial_reg_stall are set.
13872 (K8 splitters): Enable for generic as well.
13873 * predicates.md (incdec_operand): Use TARGET_INCDEC
13874 (aligned_operand): Avoid memory mismatch stalls.
13875 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13876 * ppro.md: Enable for generic32
13877 * i386.c (generic64_cost, generic32_cost): New.
13878 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13879 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13880 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13881 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13882 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13883 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13884 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13885 x86_accumulate_outgoing_args, x86_prologue_using_move,
13886 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13887 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13888 Enable for generic.
13889 (x86_use_incdec, x86_pad_returns): New.
13890 (override_options): Add generic32 and generic64, translate "generic"
13891 to generic32/generic64 and "i686" to "generic32", refuse
13892 "generic32"/"generic64" as arch target.
13893 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13894 (ix86_reorg): Honor PAD_RETURNS.
13896 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13898 * tree-pretty-print.c (dump_generic_node): Handle
13899 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13900 * cgraph.c (cgraph_expand_queue): Rename from
13901 cgraph_analyze_queue. Update all users.
13902 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13903 cgraph_expand_queue.
13904 (cgraph_expand_all_functions): Likewise.
13905 (cgraph_finalize_pending_functions): Remove. Update callers.
13907 * tree.h (OMP_DIRECTIVE_P): Define.
13908 (OMP_PARALLEL_FN): Define.
13909 (OMP_PARALLEL_DATA_ARG): Define.
13910 (OMP_SECTIONS_SECTIONS): Define.
13911 * tree-pass.h (pass_expand_omp): Declare.
13912 * omp-low.c (struct omp_region): Declare.
13913 (struct omp_context): Remove fields 'parallel_type',
13914 'parallel_start_ix' and 'parallel_start_additional_args'.
13916 (struct omp_for_data): Rename from struct expand_omp_for_data.
13917 (omp_regions): New static variable.
13918 (root_omp_region): New static variable.
13919 (find_omp_clause): Make static.
13920 (is_in_combined_parallel_ctx): Remove.
13921 (is_combined_parallel): New.
13922 (extract_omp_for_data): Move earlier in the file.
13923 (workshare_safe_to_combine_p): New.
13924 (get_ws_args_for): New.
13925 (determine_parallel_type): Move earlier in the file.
13926 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13928 (omp_copy_decl): Likewise.
13929 (create_omp_child_function): Likewise.
13930 (lookup_omp_region): New.
13931 (dump_omp_region): New.
13932 (debug_omp_region): New.
13933 (debug_all_omp_regions): New.
13934 (new_omp_region): New.
13935 (scan_omp_parallel): If parallel_nesting_level > 1, the
13936 directive is nested within another parallel directive.
13937 Set OMP_PARALLEL_FN.
13938 (scan_omp_for): Do not try to handle combined parallel+for
13940 Remove FIXME comment.
13941 (scan_omp_nested): Remove.
13942 (scan_omp_1): Do not call scan_omp_nested when
13943 parallel_nesting_level is > 1.
13944 Do not change the DECL_CONTEXT of local variables found.
13945 (lookup_decl_in_outer_ctx): New.
13946 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13947 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13948 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13949 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13950 If CTX is nested, lookup VAR in the outer context when
13951 building copy assignment.
13952 (lower_send_clauses): Rename from expand_send_clauses.
13953 If CTX is nested, lookup VAR in the outer context when
13954 building copy assignments.
13955 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13956 If CTX is nested, lookup VAR in the outer context when
13957 building copy assignments.
13958 (expand_parallel_call): Rename from build_parallel_call.
13959 Handle combined parallel+workshare cases.
13960 Re-implement to emit code into the CFG.
13962 (expand_omp_parallel): Re-implement to emit code into the CFG.
13963 Call move_sese_region_to_fn to outline the sub-graph
13964 containing the parallel region.
13965 (expand_omp_for_1): Remove.
13966 (expand_omp_for_generic): Re-implement to emit code into the
13968 (expand_omp_for_static_nochunk): Likewise.
13969 (expand_omp_for_static_chunk): Likewise.
13970 (expand_omp_for): Likewise.
13971 (expand_omp_sections): Likewise.
13972 (remove_exit_barriers): New.
13973 (expand_omp_synch): New.
13975 (build_omp_regions_1): New.
13976 (build_omp_regions): New.
13977 (execute_expand_omp): New.
13978 (gate_expand_omp): New.
13979 (pass_expand_omp): Define.
13980 (lower_omp_sections): Rename from expand_omp_sections.
13981 Set OMP_SECTIONS_SECTIONS.
13982 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13983 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13984 (lower_omp_single): Rename from expand_omp_simple.
13985 (lower_omp_master): Rename from expand_omp_master.
13986 (lower_omp_ordered): Rename from expand_omp_ordered.
13987 (lower_omp_critical): Rename from expand_omp_critical.
13988 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13989 (lower_omp_for): Re-implement.
13990 (lower_omp_parallel): Re-implement.
13991 (lower_regimplify): Rename from expand_regimplify.
13992 (lower_omp_1): Rename from expand_omp_1.
13993 If there are syntax errors in the program, replace every
13994 OpenMP directive with NOP.
13995 Call lower_omp_* instead of expand_omp_*.
13996 (lower_omp): Rename from expand_omp.
13998 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13999 * tree-gimple.h (enum omp_parallel_type): Remove.
14000 (gimple_boolify): Declare extern.
14001 (find_omp_clause, determine_parallel_type): Remove.
14003 * gimple-low.c (lower_omp_directive): New.
14004 (lower_stmt): Call it.
14005 (record_vars_into): Move from ...
14006 (record_vars): ... here.
14007 Call record_vars_into with current_function_decl.
14009 * gimplify.c (struct gimplify_ctx): Remove fields
14010 combined_pre_p and combined_ctxp. Update users.
14011 (get_formal_tmp_var): Add documentation.
14012 (gimple_boolify): Make extern.
14013 (gimplify_expr_in_ctx): Remove. Update callers.
14014 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14015 will always be a BIND_EXPR.
14016 (gimplify_expr): Handle OMP_RETURN_EXPR.
14017 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14018 (OMP_PARALLEL): Add 3 operands.
14019 (OMP_SECTIONS): Add 1 operand.
14020 (OMP_RETURN_EXPR): Define.
14022 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14023 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14024 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14025 creating a circular free list.
14026 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14028 * tree-flow.h (move_sese_region_to_fn): Declare.
14029 (record_vars_into): Declare.
14030 * tree-cfg.c (make_omp_sections_edges): New.
14031 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14032 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14033 OMP_SECTIONS and OMP_SECTION.
14034 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14035 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14036 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14037 (gather_blocks_in_sese_region): New.
14038 (struct move_stmt_d): Declare.
14039 (move_stmt_r): New.
14040 (move_block_to_fn): New.
14041 (move_sese_region_to_fn): New.
14043 * passes.c (init_optimization_passes): Schedule
14044 pass_expand_omp after pass_init_datastructures.
14046 * tree-ssa-operands.c (get_expr_operands): Handle
14047 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14048 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14050 2006-01-19 Jeff Law <law@redhat.com>
14052 * tree-vrp.c (extract_range_from_assert): Refine the result range
14053 if the variable referenced by the ASSERT_EXPR has a range and
14054 either the tentative result range or the previous range is a
14057 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14059 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14061 2006-01-19 Jan Hubicka <jh@suse.cz>
14063 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14065 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14067 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14068 (expand_compound_operation, expand_field_assignment): Fail if the
14069 bit lengths of an extract operation are out of range.
14070 (make_extraction): Compute wanted_inner_mode based on the position
14071 and length of the extraction. Make it extraction_mode for non-constant
14072 positions, and do not modify offset in that case. When generating a
14073 new MEM, use a mode that can hold the extraction while keeping correct
14074 alignment. Remove code that supported MEMs wrapped by USEs.
14075 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14077 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14079 * config/s390/s390.md ("Y", "y"): New mode attribute.
14080 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14081 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14082 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14083 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14084 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14085 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14086 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14087 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14088 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14089 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14090 "addsi3", "subsi3"): Insn patterns removed.
14091 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14092 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14093 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14094 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14095 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14096 "*sub<mode>3_cconly2"): New insn patterns.
14097 ("addsi3", "subsi3"): New expanders.
14099 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14101 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14102 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14103 existing STMT_VINFO_VECTYPE if available.
14104 (vect_mark_relevant): Add special handling for stmts that are
14105 marked as STMT_VINFO_IN_PATTERN_P.
14106 (vect_analyze_loop): Call vect_pattern_recog.
14107 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14108 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14110 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14111 (vect_recog_func_ptr): New function-pointer type.
14112 * tree-vect-patterns.c: New file.
14113 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14114 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14115 (vect_pattern_recog_1): New functions.
14116 (vect_pattern_recog_funcs): New array of function pointers.
14118 * tree-vectorizer.h (ternary_op): New enum value.
14119 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14120 declaration. Revised documentation. Removed redundant dump prints.
14121 Removed redundant argument. Added support for reduction patterns.
14122 (vectorizable_reduction): Added support for reduction patterns.
14123 (vect_transform_stmt): Added support for patterns.
14125 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14126 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14127 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14128 (expand_widen_pattern_expr): New function.
14129 (init_optabs): Initialize new optabs udot_prod_optab,
14131 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14132 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14133 (expand_widen_pattern_expr): New function declaration.
14134 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14136 * tree-inline.c (estimate_num_insns_1): Added cases for new
14137 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14138 * tree-pretty-print.c (dump_generic_node): Likewise.
14139 (op_prio): Likewise.
14140 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14141 * tree-ssa-operands.c (get_expr_operands): Added case for
14143 * tree-vect-patterns.c (widened_name_p): New function.
14144 (vect_recog_dot_prod_pattern): Added function implementation.
14145 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14146 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14147 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14148 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14150 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14151 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14152 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14153 (init_optabs): Initialize new optabs widen_ssum_optab,
14155 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14156 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14157 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14158 use instead of type of def.
14159 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14160 function implementation.
14161 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14162 widen_ssumv8hi): New.
14164 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14167 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14170 * c-decl.c (add_flexible_array_elts_to_size): New function.
14171 (finish_decl): Use it.
14173 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14175 * diagnostic.h: Include options.h.
14176 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14177 dependancies for diagnostic.h.
14178 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14180 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14182 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14183 (ssa_ro_call_cache_valid): Ditto.
14184 * tree-ssa-alias.c (sort_tags_by_id): New function.
14185 (init_transitive_clobber_worklist): Ditto.
14186 (add_to_worklist): Ditto.
14187 (mark_aliases_call_clobbered): Ditto.
14188 (compute_tag_properties): Ditto.
14189 (set_initial_properties): Ditto.
14190 (compute_call_clobbered): Ditto.
14191 (compute_may_aliases): Call compute_call_clobbered and grouping.
14192 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14193 (compute_flow_insensitive_aliasing): Grouping now happens in our
14195 (setup_pointers_and_addressables): Remove clobbering related code.
14196 (add_may_alias): Ditto.
14197 (replace_may_alias): Ditto.
14198 (get_nmt_for): Ditto.
14199 (create_global_var):
14200 (is_escape_site): Return an escape_type enumeration.
14201 * tree-flow-inline.h (is_call_clobbered): Global var does not
14202 imply call clobbered.
14203 (mark_call_clobbered): Take a reason for marking this. Remove
14204 marking of globalness, and cache invalidation.
14205 (clear_call_clobbered): Remove cache invalidation code.
14206 * tree-dfa.c (dump_variable): If details is on, dump the reason
14208 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14210 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14211 (struct var_ann_d): Ditto.
14212 (enum escape_type): New.
14213 (mark_call_clobbered): Adjust prototype.
14214 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14215 are never call clobbered.
14216 Record reasons for escaping.
14217 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14218 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14219 (ssa_ro_call_cache_valid): Ditto.
14220 (clobbered_v_may_defs): Ditto.
14221 (clobbered_vuses): Ditto.
14222 (ro_call_vuses): Ditto.
14223 (clobber_stats): New.
14224 (init_ssa_operands): Zero out clobber stats.
14225 (fini_ssa_operands): Print out clobber stats.
14226 (get_call_expr_operands): Pass callee fndecl to
14227 add_call_read_ops).
14228 (add_call_clobber_ops): Remove use of cache.
14229 Add use of PURE_CONST information.
14230 (add_call_read_ops): Remove use of cache.
14231 Add use of static not_read information.
14233 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14235 Introduce TLS descriptors for i386 and x86_64.
14236 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14237 (TARGET_ANY_GNU_TLS): New macro.
14238 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14239 (struct machine_function): Add tls_descriptor_call_expanded_p.
14240 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14241 (ix86_current_function_calls_tls_descriptor): Likewise.
14242 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14243 (override_options): Introduce gnu2 tls dialect.
14244 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14246 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14248 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14249 (ix86_init_machine_status): Initialize new field.
14250 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14251 (ix86_tls_module_base): New.
14252 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14253 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14254 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14255 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14256 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14257 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14258 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14259 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14260 * config/i386/predicates.md (tls_modbase_operand): New.
14261 (tp_or_register_operand): New.
14263 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14265 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14266 (look_for_address_of): Ditto.
14267 (ipa_init): Walk the function decls.
14268 (static_execute): Don't set readonly on FUNCTION_DECL's.
14270 2006-01-18 Roger Sayle <roger@eyesopen.com>
14272 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14273 for shifts where the source and destination registers are different.
14275 2006-01-18 Paul Brook <paul@codesourcery.com>
14277 Merge from csl-arm-branch.
14278 2005-03-14 Julian Brown <julian@codesourcery.com>
14279 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14280 (aeabi_llsl): Likewise.
14281 (ashrdi3): Likewise.
14282 (aeabi_lasr): Likewise.
14283 (lshrdi3): Likewise.
14284 (aeabi_llsr): Likewise.
14285 2005-03-10 Julian Brown <julian@codesourcery.com>
14286 * config.gcc: Disable shared libgcc for SymbianOS.
14287 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14289 2006-01-18 DJ Delorie <dj@redhat.com>
14291 * c-pragma.c (handle_pragma_diagnostic): New.
14292 (init_pragma): Register it.
14293 * doc/extend.texi: Document it.
14295 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14296 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14297 (diagnostic_context): Add classify_diagnostic[].
14298 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14299 as errors if they're overridden to DK_WARNING.
14300 (diagnostic_initialize): Initialize classify_diagnostic[].
14301 (diagnostic_set_kind_override): New.
14302 (diagnostic_report_diagnostic): Check for kind changes.
14303 * opts.c (common_handle_option): Take lang_mask. Update callers.
14304 Handle OPT_Werror_.
14305 * common.opt (Werror=): New.
14306 * doc/invoke.texi: Document -Werror=*
14308 2006-01-18 Jeff Law <law@redhat.com>
14310 * tree-vrp.c (test_for_singularity): Correct test for new
14311 min limit. Use operand_equal_p rather than pointer equality
14312 for testing if new min/max values are equal.
14314 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14315 using range information until after propagation and folding.
14317 2006-01-18 Richard Henderson <rth@redhat.com>
14318 Aldy Hernandez <aldyh@redhat.com>
14319 Jakub Jelinek <jakub@redhat.com>
14320 Diego Novillo <dnovillo@redhat.com>
14322 * omp-low.c: New file.
14323 * c-omp.c: New file.
14325 2006-01-18 Richard Henderson <rth@redhat.com>
14326 Jakub Jelinek <jakub@redhat.com>
14327 Diego Novillo <dnovillo@redhat.com>
14329 * doc/invoke.texi: Document -fopenmp.
14330 * tree-dump.h (debug_function): Declare.
14331 * hooks.c (hook_bool_tree_bool_false): New function.
14332 (hook_tree_tree_null): Remove.
14333 (hook_tree_tree_tree_null): New.
14334 * hooks.h: Update to match.
14335 * tree-pretty-print.c (debug_tree_chain): New.
14336 (print_generic_expr): Handle TDF_CHAIN.
14337 (dump_generic_node): Handle BLOCK.
14338 Do not abort with incomplete SWITCH_EXPRs.
14339 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14340 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14341 print space after directive name.
14342 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14343 Handle OMP_MASTER and OMP_ORDERED.
14344 Handle printing of OMP_BODY just in one place, goto
14345 dump_omp_body in the rest of OMP_* nodes that have
14347 Don't handle clause nodes here. Update omp statements to
14348 use dump_omp_clauses.
14349 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14350 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14351 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14352 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14353 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14354 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14355 Adjust output for GOMP_PARALLEL.
14356 (dump_omp_clauses): New.
14357 (print_declaration): Dump DECL_VALUE_EXPR.
14358 (op_symbol_1): Split out of op_symbol.
14359 (dumping_stmts): Remove. Update all users.
14360 * cgraph.c (cgraph_analyze_queue): New.
14361 (cgraph_add_new_function): New.
14362 * cgraph.h (cgraph_analyze_queue): Declare.
14363 (cgraph_add_new_function): Declare.
14364 (cgraph_lower_function): Remove.
14365 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14366 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14367 and TYPE_P nodes in its default clause.
14368 (empty_body_p): New.
14369 (tree_range_check_failed): New.
14370 (build5_stat): New.
14371 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14372 OMP_CLAUSE_REDUCTION_MERGE,
14373 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14374 OMP_CLAUSE_PRIVATE_DEBUG,
14375 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14376 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14377 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14378 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14379 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14380 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14381 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14382 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14383 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14384 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14385 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14386 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14387 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14388 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14389 (TREE_RANGE_CHECK): New.
14390 (empty_body_p): Declare.
14391 (enum omp_clause_default_kind): New.
14392 (build_string_literal): Declare.
14393 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14394 (build5_stat, build5): Declare.
14395 * tree-pass.h (TDF_CHAIN): Define.
14396 * tree-pass.h (PROP_gimple_lomp): Define.
14397 (pass_lower_omp): Declare.
14398 * diagnostic.h (debug_tree_chain): Declare.
14399 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14401 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14402 * builtins.c (build_string_literal): Make extern.
14403 * gcc.c (include_spec_function): New.
14404 (static_spec_functions): Add it.
14405 (main): Move load of libgomp.spec ...
14406 (LINK_COMMAND_SPEC): ... here.
14407 (link_gomp_spec): New.
14408 (static_specs): Include it.
14409 (LINK_COMMAND_SPEC): Add link_gomp.
14410 (GOMP_SELF_SPECS): New.
14411 (driver_self_specs): Include it.
14412 (switch_matches): Don't mark inline.
14413 (main): Load libgomp.spec.
14414 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14415 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14416 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14417 * tree-gimple.h (enum omp_parallel): Declare.
14418 (determine_parallel_type): Declare.
14419 (omp_firstprivatize_variable): Declare.
14420 (omp_reduction_init): Declare.
14421 (diagnose_omp_structured_block_errors): Declare.
14422 (struct walk_stmt_info): Add want_return_expr.
14423 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14424 (find_omp_clause): Declare.
14425 (insert_field_into_struct): Declare.
14426 (struct walk_stmt_info): Move from tree-nested.c
14427 (walk_stmts): Declare.
14428 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14430 * cgraphunit.c (cgraph_lower_function): Make static.
14431 (cgraph_finalize_pending_functions): New.
14432 (cgraph_finalize_function): Call it.
14433 (cgraph_finalize_compilation_unit): Likewise.
14434 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14435 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14436 (BT_FN_UINT_UINT): New.
14437 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14438 DEF_FUNCTION_TYPE_VAR_4): Document.
14439 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14440 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14441 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14442 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14443 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14444 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14445 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14446 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14447 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14448 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14449 into separate files.
14450 (DEF_GOMP_BUILTIN): New.
14451 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14452 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14453 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14454 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14455 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14456 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14457 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14458 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14459 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14460 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14461 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14462 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14463 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14464 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14465 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14466 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14467 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14468 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14469 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14470 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14471 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14472 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14473 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14474 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14475 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14476 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14477 * sync-builtins.def: New file, moved from builtins.def.
14478 * omp-builtins.def: New file, moved from builtins.def.
14479 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14480 * gimple-low.c (lower_function_body): Clear data.
14481 (lower_stmt): Do not handle COMPOUND_EXPR.
14482 Remove call to print_node_brief.
14483 * c-tree.h (c_finish_omp_clauses): New prototype.
14484 (C_DECL_THREADPRIVATE_P): Define.
14485 (lookup_name_no_remap, c_omp_remap_private): Remove
14486 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14487 (check_for_loop_decls): Update decl.
14488 (lookup_name_no_remap, c_omp_remap_private): Declare.
14489 (build_indirect_ref, build_modify_expr, pushdecl,
14490 pushdecl_top_level): Move to c-common.h.
14491 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14492 before the switch, but just in the 2 places that need it.
14493 * c-decl.c (diagnose_mismatched_decls): Do not check for
14494 mismatched thread-local attributes when OLDDECL is marked
14495 threadprivate and NEWDECL has no thread-local attributes.
14496 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14497 (c_gimple_diagnostics_recursively): Rename from
14498 c_warn_unused_result_recursively. Invoke
14499 diagnose_omp_structured_block_errors.
14500 (check_for_loop_decls): Return a singular decl found.
14501 * langhooks.c (lhd_omp_predetermined_sharing): Return
14502 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14503 (lhd_omp_firstprivatize_type_sizes): New.
14504 (lhd_omp_assignment): New.
14505 (lhd_omp_predetermined_sharing): New.
14506 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14507 (struct lang_hooks_for_types): Add
14508 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14509 omp_predetermined_sharing, omp_disregard_value_expr,
14510 omp_private_debug_clause, omp_clause_default_ctor,
14511 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14512 (c_finish_omp_clauses): New.
14513 (c_finish_bc_stmt): Diagnose break within omp for.
14514 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14515 (build_unary_op): Return error_mark after reporting
14517 (build_modify_expr): Likewise.
14518 * gimplify.c: Include optabs.h and pointer-set.h.
14519 (enum gimplify_omp_var_data): Declare.
14520 (struct gimplify_omp_ctx): Declare.
14521 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14523 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14524 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14525 (splay_tree_compare_decl_uid): New.
14526 (new_omp_context): New.
14527 (delete_omp_context): New.
14528 (gimple_add_tmp_var): Call omp_add_variable.
14529 (gimplify_bind_expr): Likewise.
14530 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14531 true, disregard DECL_VALUE_EXPR on the decl if any.
14532 (gimplify_expr_in_ctx): New.
14533 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14534 omp_add_variable, omp_notice_variable, omp_is_private
14535 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14536 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14537 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14538 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14539 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14540 gimplify_omp_atomic): New.
14541 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14542 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14543 OMP_CRITICAL and OMP_ATOMIC.
14544 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14545 * c-pragma.h (enum pragma_kind): Add
14546 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14547 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14548 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14549 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14550 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14551 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14552 PRAGMA_OMP_THREADPRIVATE.
14553 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14554 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14555 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14556 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14557 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14558 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14559 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14560 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14561 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14562 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14563 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14564 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14565 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14567 (struct nesting_info): Add field_map,
14568 suppress_expansion, debug_var_chain.
14569 (create_nesting_tree): Initialize them.
14570 (lookup_field_for_decl): Use field_map.
14571 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14572 (convert_local_omp_clauses): New.
14573 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14574 (walk_body): Split out of walk_function.
14575 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14576 (convert_nonlocal_reference): Handle omp statements.
14577 (convert_local_reference): Likewise.
14578 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14579 (unnest_nesting_tree): New.
14580 (lower_nested_functions): Call it.
14581 (insert_field_into_struct): Make extern.
14582 (struct walk_stmt_info): Move to tree-gimple.h.
14583 (walk_stmts): Make extern.
14584 * omp-builtins.def: New file.
14585 * tree-iterator.c (expr_only): Clarify comment.
14586 * c-common.h (pushdecl_top_level, pushdecl,
14587 build_modify_expr, build_indirect_ref,
14588 c_finish_omp_master, c_finish_omp_critical,
14589 c_finish_omp_ordered, c_finish_omp_barrier,
14590 c_finish_omp_atomic, c_finish_omp_flush,
14591 c_finish_omp_for, c_split_parallel_clauses,
14592 omp_clause_default_kind, c_omp_sharing_predetermined,
14593 c_omp_remap_decl): Declare.
14594 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14595 (OBJS-common): Add omp-low.o.
14596 (c-omp.o, omp-low.o): Add.
14597 (gimplify.o): Add dependency on $(OPTABS_H).
14598 (GTFILES): Add omp-low.c.
14599 (gt-stringpool.h): Add.
14600 * tree-cfg.c (set_bb_for_stmt): Do not update the
14601 block-to-labels map if we are currently expanding to RTL.
14602 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14604 Handle IDENTIFIER_NODE.
14605 (tree_verify_flow_info): Do not ICE when emitting error
14606 messages about invalid labels.
14607 (dump_function_to_file): Reset CFUN before emitting the body
14609 (debug_function): New.
14610 * passes.c (init_optimization_passes): Schedule
14612 * langhooks-def.h (lhd_omp_predetermined_sharing,
14613 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14615 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14616 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14617 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14618 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14619 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14620 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14621 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14622 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14623 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14624 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14625 (LANG_HOOK_DECLS): Use them.
14627 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14628 Richard Henderson <rth@redhat.com>
14629 Jakub Jelinek <jakub@redhat.com>
14630 Diego Novillo <dnovillo@redhat.com>
14632 * c-parser.c (pragma_omp_clause): Define.
14633 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14634 (c_parser_compound_statement): Likewise.
14635 (c_parser_statement): Likewise.
14636 (c_parser_pragma): Handle omp pragmas.
14637 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14638 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14639 (c_parser_omp_clause_name, check_no_duplicate_clause,
14640 c_parser_omp_variable_list,
14641 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14642 c_parser_omp_clause_copyprivate,
14643 c_parser_omp_clause_default,
14644 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14645 c_parser_omp_clause_lastprivate,
14646 c_parser_omp_clause_nowait,
14647 c_parser_omp_clause_num_threads,
14648 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14649 c_parser_omp_clause_reduction,
14650 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14651 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14652 c_parser_omp_atomic, c_parser_omp_barrier,
14653 c_parser_omp_critical, c_parser_omp_flush,
14654 c_parser_omp_for_loop, c_parser_omp_for,
14655 c_parser_omp_master, c_parser_omp_ordered,
14656 c_parser_omp_sections_scope, c_parser_omp_sections,
14657 c_parser_omp_parallel, c_parser_omp_single,
14658 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14659 * c-pragma.c (init_pragma): Do omp pragma registration here.
14660 * c.opt (fopenmp): New flag.
14662 2006-01-18 Eric Christopher <echristo@apple.com>
14664 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14665 * config/darwin.h (GOMP_SELF_SPECS): Define.
14667 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14669 * rtl.h: Remove the prototype for reg_alloc.
14671 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14674 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14675 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14676 sjlj and dwarf2 exception handling.
14677 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14678 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14679 * pa/pa.c (function_value): Treat complex and vector types as
14681 (function_arg): Likewise. Only pass scalar floats in the floating
14682 point argument registers.
14683 * pa/t-slibgcc-dwarf-ver: New file.
14684 * pa/t-slibgcc-sjlj-ver: New file.
14685 * pa/t-slibgcc-elf-ver: Delete file.
14687 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14689 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14690 unlikely_test_section_p test.
14692 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14694 * mode-switching.c (optimize_mode_switching): Make it static.
14695 * basic-block.h: Remove the prototype for
14696 optimize_mode_switching.
14698 * modulo-sched.c (sms_schedule): Make it static.
14699 * rtl.h: Remove the prototype for sms_schedule.
14701 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14702 * rtl.h: Remove the prototype for gcse_after_reload_main.
14704 * reg-stack.c (reg_to_stack): Make it static.
14705 * rtl.h: Remove the prototype for reg_to_stack.
14707 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14709 * rtl.h: Remove the prototypes for regrename_optimize and
14710 copyprop_hardreg_forward.
14712 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14714 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14715 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14716 Test against the appropriate null constant for the mode.
14717 If 'fixup_overlap' is true, swap the operands if they overlap.
14718 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14719 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14720 alpha_split_tmode_pair and adjust for above change.
14721 * config/alpha/alpha.md (movtf_internal): Adjust call to
14722 alpha_split_tfmode_pair and rely on it to swap the operands.
14723 (movti_internal): New insn and post-reload splitter.
14724 (movti): New expander.
14726 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14728 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14731 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14733 * rtlanal.c (global_reg_mentioned_p_1,
14734 global_reg_mentioned_p): Remove.
14735 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14737 * flow.c (initialize_uninitialized_subregs): Make it static.
14738 * rtl.h: Remove the prototype for
14739 initialize_uninitialized_subregs.
14741 * function.c (instantiate_virtual_regs): Make it static.
14742 * function.h: Remove the prototype for
14743 instantiate_virtual_regs.
14745 * regmove.c (regmove_optimize, combine_stack_adjustments):
14747 * rtl.h: Remove the prototypes for regmove_optimize and
14748 combine_stack_adjustments.
14750 2006-01-17 Roger Sayle <roger@eyesopen.com>
14752 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14753 (size_cost): Encode costs in bytes so that a reg-reg addition is
14754 equivalent to COSTS_N_INSNS(1).
14755 (override_options): Use the size_cost.branch_cost as the default
14756 ix86_branch_cost when optimizing for size.
14758 2006-01-18 Ben Elliston <bje@au.ibm.com>
14760 * Makefile.in (D32PBIT_FUNCS): New.
14761 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14762 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14763 D64PBIT_FUNCS and D128PBIT_FUNCS.
14764 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14765 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14767 (decnumber_dep): Define.
14768 * doc/libgcc.texi (Decimal float library routines): New node.
14769 * config/dfp-bit.h, config/dfp-bit.c: New files.
14771 2006-01-18 Ben Elliston <bje@au.ibm.com>
14773 * expr.c (emit_move_change_mode): Always adjust addresses, not
14774 just during reload. Copy replacements only during reload.
14775 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14776 emit_move_via_integer.
14778 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14780 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14781 instead of $(srcdir) and ${srcdir}.
14783 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14786 PR middle-end/11135
14787 * arm.h (struct machine_function): Add pic_reg.
14788 * arm.c (arm_pic_register): Make unsigned.
14789 (arm_override_options): Only set arm_pic_register if
14790 TARGET_SINGLE_PIC_BASE.
14791 (use_return_insn): Only test for a pic register if it is fixed.
14792 (arm_compute_save_reg0_reg12_mask): Likewise.
14793 (thumb_compute_save_reg_mask): Likewise.
14794 (legitimate_pic_operand): Factor out some known invariants.
14795 (legitimize_pic_address): If we don't have a fixed pic register,
14796 then set up a pseudo in the function entry sequence. Handle the
14797 pic base being in a pseudo.
14798 (arm_load_pic_register): Handle the pic register being in a pseudo.
14799 (arm_expand_prologue): Only set up the pic register if it is fixed.
14800 (thumb_expand_prologue): Likewise.
14801 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14802 (pic_load_addr_based_insn): Likewise.
14803 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14806 2006-01-18 Ben Elliston <bje@au.ibm.com>
14808 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14809 decimal float modes for all floating point registers.
14811 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14812 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14814 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14817 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14818 even when the pointer is not NULL.
14820 2006-01-16 Ian Lance Taylor <ian@airs.com>
14822 * common.opt (ftoplevel-reorder): New option.
14823 * cgraph.c (cgraph_asm_nodes): New global variable.
14824 (cgraph_asm_last_node): New static variable.
14825 (cgraph_order): New global variable.
14826 (cgraph_create_node): Set new order field.
14827 (cgraph_varpool_node): Likewise.
14828 (decide_is_variable_needed): Return true if not
14829 flag_toplevel_reorder.
14830 (cgraph_add_asm_node): New function.
14831 * cgraph.h (struct cgraph_node): Add order field.
14832 (struct cgraph_varpool_node): Add order field.
14833 (struct cgraph_asm_node): Define.
14834 (cgraph_asm_nodes, cgraph_order): Declare.
14835 (cgraph_add_asm_node): Declare.
14836 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14838 (cgraph_varpool_assemble_pending_decls): Call it.
14839 (cgraph_output_pending_asms): New static function.
14840 (cgraph_finalize_compilation_unit): Call it.
14841 (struct cgraph_order_sort): Define.
14842 (cgraph_output_in_order): New static function.
14843 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14844 !flag_toplevel_reorder case.
14845 * c-parser.c: Include "cgraph.h".
14846 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14848 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14849 than -fno-unit-at-a-time.
14850 * doc/invoke.texi (Option Summary): Mention
14851 -fno-toplevel-reorder.
14852 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14853 -funit-at-a-time documentation.
14855 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14856 Kazu Hirata <kazu@codesourcery.com>
14858 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14860 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14862 * Makefile.in (FUNCTION_H): New. Use it instead of
14863 function.h throughout the file.
14864 * function.h: Include tree.h.
14866 2006-01-17 Ben Elliston <bje@au.ibm.com>
14868 * recog.c: Separate some functions with whitespace.
14870 2006-01-16 Richard Henderson <rth@redhat.com>
14872 Merge from gomp branch:
14873 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14874 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14875 and rename from struct inline_data. Rename callee* to dst*;
14876 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14877 transform_new_cfg, transform_return_to_modify, and
14878 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14880 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14881 (copy_decl_for_dup): Remove.
14882 * tree-inline.c (struct inline_data): Move to header.
14883 (insert_decl_map): Export.
14884 (remap_decl): Update for member name changes. Use copy_decl hook.
14885 Allow for replacement to be a non-decl. Remove dead code.
14886 (remap_type_1): Check for existing mapping.
14887 (remap_type): Export.
14888 (remap_decls): Update for member name changes.
14889 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14890 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14891 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14892 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14893 (tree_function_versioning, build_duplicate_type): Likewise.
14894 (copy_body_r): Likewise. Export.
14895 (copy_decl_for_dup): Split into ...
14896 (copy_decl_for_dup_finish, copy_decl_to_var,
14897 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14898 (replace_ref_tree, inlining_p): Remove.
14900 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14902 * ifcvt.c (if_convert): Make it static.
14903 * rtl.h: Remove the prototype for if_convert.
14905 * local-alloc.c (local_alloc): Make it static.
14906 * rtl.h: Remove the prototype for local_alloc.
14908 * loop.c (loop_optimize): Make it static.
14909 * cfgloop.h: Remove the prototype for loop_optimize.
14912 2006-01-16 DJ Delorie <dj@redhat.com>
14914 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14917 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14919 * pa.md: Disparage copies between general and floating-point registers
14920 in 32-bit move patterns.
14922 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14925 * Makefile.in (check-%): Depend on site.exp instead of
14926 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14929 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14931 * global.c (global_alloc): Make it static.
14932 * rtl.h: Remove the prototype for global_alloc.
14934 2006-01-16 Richard Guenther <rguenther@suse.de>
14936 * tree-ssa-alias.c (struct used_part): Add write_only field.
14937 (get_or_create_used_part_for): Initialize it to true.
14938 (create_overlap_variables_for): Don't create structure variables
14939 for structures that only are written to.
14940 (find_used_portions): Handle MODIFY_EXPR to track whether a
14941 structure is only written to.
14943 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14945 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14947 * basic-block.h: Remove the prototype for
14948 partition_hot_cold_basic_blocks.
14950 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14952 * cppspec.c (lang_specific_spec_functions): Remove.
14953 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14954 * gcc.h (lang_specific_spec_functions): Remove.
14955 * gccspec.c (lang_specific_spec_functions): Remove.
14957 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14959 * combine.c (record_value_for_reg): Invalidate registers
14961 (record_dead_and_set_regs_1): Likewise, by passing them to
14962 record_value_for_reg.
14963 (record_dead_and_set_regs): Invalidate stores made by a
14964 call. We do not combine across a call, but we still
14965 relied on equivalences.
14967 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14969 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14970 vrp_int_const_binop returning non-constant nodes.
14972 2006-01-16 Paul Brook <paul@codesourcery.com>
14974 * config/m68k/m68k.c (output_move_const_into_data_reg):
14975 Output correct mnemonic for mvz and mvs.
14977 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14979 * rtl-factoring.c: Add sequence abstraction algorithm.
14980 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14981 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14983 (block_has_preserve_label): New function.
14984 * common.opt: Register new pass.
14985 * Makefile.in: Ditto.
14987 * timevar.def: Ditto.
14988 * tree-pass.h: Ditto.
14989 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14990 * rtl.h (make_jump_insn_raw): Add forward decl.
14991 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14993 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14994 Roger Sayle <roger@eyesopen.com>
14996 * fold-const.c (fold_minmax): New static function.
14997 (fold_binary) <MIN_EXPR>: Call it.
14998 <MAX_EXPR>: Likewise.
14999 * stor-layout.c (place_field): Use DECL_SIZE consistently
15000 in the computation of the new record size.
15002 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15004 * cse.c (cse_condition_code_reg): Make it static.
15005 * rtl.h: Remove the prototype for cse_condition_code_reg.
15007 * combine.c (combine_instructions): Make it static.
15008 * rtl.h: Remove the prototype for combine_instructions.
15010 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15013 * tree.c (get_file_function_name_long): Concatenate the first global
15014 object name with a string derived from the input filename of the object
15017 2006-01-16 Ben Elliston <bje@au.ibm.com>
15019 * config/i386/winnt-stubs.c: Update FSF address.
15020 * config/xtensa/ieee754-df.S: Ditto.
15021 * config/xtensa/ieee754-sf.S: Ditto.
15023 2006-01-14 Ian Lance Taylor <ian@airs.com>
15025 * ifcvt.c (noce_init_if_info): New static function, broken out of
15026 noce_process_if_block.
15027 (noce_process_if_block): Call noce_init_if_info.
15028 (check_cond_move_block): New static function.
15029 (cond_move_process_if_block): New static function.
15030 (process_if_block): Call cond_move_process_if_block.
15032 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15034 * cselib.c (hash_table): Rename to cselib_hash_table.
15035 (cselib_clear_table, discard_useless_values,
15036 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15037 cselib_init, cselib_finish): Adjust uses of hash_table.
15039 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15041 PR tree-optimization/25485
15042 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15043 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15044 is known to be false and true, respectively.
15046 2006-01-14 Richard Guenther <rguenther@suse.de>
15048 PR tree-optimization/22548
15049 PR tree-optimization/22555
15050 PR tree-optimization/22501
15051 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15052 * params.def (salias-max-array-elements): New parameter.
15053 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15054 * doc/invoke.texi (salias-max-array-elements): Document.
15055 * tree-flow-inline.h (var_can_have_subvars): We also handle
15057 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15059 * tree-ssa-structalias.c (params.h): Include.
15060 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15061 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15062 (get_constraint_for): For ADDR_EXPR operating on something
15063 containing an ARRAY_REF, add all subvars to the solution.
15064 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15065 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15066 for creating MUST_DEFs.
15067 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15069 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15071 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15073 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15074 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15075 number_of_iterations_le): New functions.
15076 (number_of_iterations_special): Removed.
15077 (number_of_iterations_exit): Do not use number_of_iterations_special.
15078 * tree.c (unsigned_type_for): Always return integer type.
15080 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15081 Richard Guenther <rguenther@suse.de>
15083 PR rtl-optimization/24257
15084 * gcse.c (find_moveable_store): Only consider a store movable
15085 when the SET_SRC of the insn can be assigned to a register.
15087 2006-01-14 Ian Lance Taylor <ian@airs.com>
15089 * tree.c (tree_not_class_check_failed): New function.
15090 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15091 (tree_not_class_check_failed): Declare.
15093 2006-01-13 Ian Lance Taylor <ian@airs.com>
15095 * reload1.c (do_output_reload): Add assertion rejecting a
15098 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15100 * combine.c (struct reg_stat): Add new fields truncation_label and
15102 (record_value_for_reg): Reset truncated_to_mode.
15103 (record_truncated_value): New function.
15104 (check_promoted_subreg): Call it. Rename to check_conversions.
15105 (combine_instructions): Rename check_promoted_subreg to
15107 (reg_truncated_to_mode): New function.
15108 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15109 (gen_lowpart_or_truncate): New function.
15110 (force_to_mode): Use it instead of gen_lowpart.
15112 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15114 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15115 VAR is a tag, not its type tag.
15117 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15119 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15120 alternatives to match style of other entries.
15121 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15123 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15125 PR tree-optimization/25771
15126 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15129 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15132 * tree-inline.c (declare_return_variable): If the return variable
15133 was marked as a non gimple complex, set the return slot variable
15134 to be a non gimple comple variable.
15136 2006-01-13 Richard Guenther <rguenther@suse.de>
15138 * builtins.c (expand_builtin_sincos): New function.
15139 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15141 (expand_builtin): Expand sincos using expand_builtin_sincos.
15143 2006-01-12 DJ Delorie <dj@redhat.com>
15145 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15146 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15147 so that constant shifts can be split.
15148 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15149 (m32c_valid_pointer_mode): Make static.
15150 (shift_gen_func_for): New.
15151 (m32c_prepare_shift): Use it. Split large const shifts into
15153 * config/m32c/predicates.md (shiftcount_operand): Allow more
15155 (longshiftcount_operand): New.
15156 * doc/md.texi (Machine Constraints): Document In6.
15158 2006-01-13 Ben Elliston <bje@au.ibm.com>
15160 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15161 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15164 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15166 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15167 to try to avoid clobbering pieces of structures when we know
15168 something about the whole structure.
15169 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15171 2006-01-13 Ben Elliston <bje@au.ibm.com>
15173 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15174 return in memory, as this is no limitation is no longer present.
15176 2006-01-12 DJ Delorie <dj@redhat.com>
15178 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15179 mova with fb, and for fb+0 -> An.
15181 * config/m32c/mov.md (peephole2): Fix enabling logic.
15183 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15184 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15185 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15186 FINI_ARRAY_SECTION_ASM_OP): Define.
15188 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15190 (m32c_legitimize_reload_address): New logic to reload FB to An.
15191 (m32c_output_reg_push): Add newline.
15192 (m32c_output_reg_pop): Likewise.
15194 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15196 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15198 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15200 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15202 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15204 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15207 2006-01-11 Ben Elliston <bje@au.ibm.com>
15209 * rtlanal.c (find_reg_note): Assert insn is not null.
15211 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15213 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15216 2006-01-11 Jeff Law <law@redhat.com>
15218 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15220 (mark_threaded_blocks, register_jump_thread): New functions.
15221 (thread_through_all_blocks): Remove unwanted argument. No
15222 longer rely on e->aux to communicate thread target info.
15223 Call mark_threaded_blocks. Release the threaded_blocks
15224 bitmap and threaded_edges vector when complete.
15225 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15226 (threaded_blocks): Remove.
15227 (tree_ssa_dominator_optimize): Remove initialization and
15228 finalization of threaded_blocks. Simplify call to
15229 thread_through_all_blocks.
15230 (thread_across_edge): Call register_jump_thread rather than
15231 storing thread information into e->aux.
15232 (free_all_edge_infos): Simplify now that e->aux is no longer
15233 used to communicate with thread_through_all_blocks.
15234 * tree-flow.h (thread_through_all_blocks): Update prototype.
15235 (register_jump_thread): Prototype.
15237 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15239 * df-core.c (df_compact_blocks, df_bb_replace): Use
15240 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15242 2006-01-11 Richard Guenther <rguenther@suse.de>
15244 PR tree-optimization/25734
15245 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15246 stop propagation after successful propagation to the LHS.
15248 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15250 * basic-block.h (control_flow_graph): Change the type of
15251 x_basic_block_info to VEC(basic_block,gc) *.
15252 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15254 (SET_BASIC_BLOCK): New.
15255 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15256 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15257 * cfgbuild.c (find_basic_blocks): Likewise.
15258 * cfglayout.c (fixup_reorder_chain): Likewise.
15259 * cfgrtl.c (create_basic_block_structure,
15260 rtl_create_basic_block): Likewise.
15261 * ifcvt.c (find_if_case_1): Likewise.
15262 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15265 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15267 * Makefile.in: Removed rotted odf.c entry.
15269 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15272 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15273 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15274 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15275 output pattern modifier, not %e.
15276 * config/cris/cris.c (cris_op_str): Update comment about pattern
15278 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15279 before falling through into...
15280 <case 'E'>: Redefined from old 'e' case.
15282 2006-01-11 Jan Hubicka <jh@suse.cz>
15285 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15287 2006-01-11 Jan Hubicka <jh@suse.cz>
15289 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15290 * i386.c (x86_decompose_lea): Kill.
15291 (ix86_rtx_costs): Kill.
15293 2006-01-11 Jan Hubicka <jh@suse.cz>
15295 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15296 * cgraph.h (cgraph_node): Add inline_decl.
15297 (cgraph_insert_node_to_hashtable): Declare.
15298 (save_inline_function_body): Declare.
15299 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15301 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15302 (cgraph_function_versioning): Update call of tree_function_versioning.
15303 (save_inline_function_body): New function.
15304 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15305 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15306 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15307 (cgraph_default_inline_p): Likewise.
15308 (cgraph_decide_inlining_incrementally): Likewise.
15309 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15310 (copy_bb): Kill saving; do updating of clones.
15311 (copy_cfg_body): Kill saving.
15312 (initialize_inlined-parameters): Likewise.
15313 (expand_call_inline): Likewise.
15315 (tree_function_versioning): New parameter "update_clones".
15316 (inlining_p): Kill saving.
15317 * tree-inline.h (tree_function_versioning): Update prototype.
15318 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15321 2006-01-11 Ian Lance Taylor <ian@airs.com>
15323 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15324 Allow undoing set of machine mode.
15325 (do_SUBST): Use enums instead of is_int.
15326 (do_SUBST_MODE): New function.
15327 (SUBST_MODE): New macro.
15328 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15329 reg and trying to replace reg_regno_rtx with a new register.
15330 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15331 (simplify_set): Use SUBST_MODE.
15332 (distribute_notes): Remove code that tried to update reg notes
15333 for regno_reg_rtx changes.
15335 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15337 PR tree-optimization/23109
15338 PR tree-optimization/23948
15339 PR tree-optimization/24123
15341 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15342 * tree-cfg.c (single_noncomplex_succ): New.
15343 * tree-flow.h (single_noncomplex_succ): Declare it.
15344 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15345 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15346 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15347 insert_bb, register_division_in, insert_reciprocals,
15348 replace_reciprocal, free_bb): New.
15349 (execute_cse_reciprocals_1): Rewritten.
15350 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15351 Do not commit any edge insertion. Always compute dominators and
15352 create the allocation pool.
15353 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15354 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15355 * targhooks.c (default_min_divistions_for_recip_mul): New.
15356 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15357 * passes.c (init_optimization_passes): Run recip after tree loop
15359 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15361 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15362 Kenneth Zadeck <zadeck@naturalbridge.com>
15364 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15365 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15366 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15367 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15368 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15369 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15370 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15371 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15372 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15373 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15374 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15375 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15376 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15377 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15378 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15379 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15380 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15381 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15382 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15383 DF_SCAN_POST_ALLOC): New macros.
15384 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15385 df_free_bb_function, df_local_compute_function, df_init_function,
15386 df_dataflow_function, df_confluence_function_0,
15387 df_confluence_function_n, df_transfer_function,
15388 df_finalizer_function, df_free_function, df_dump_problem_function,
15389 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15390 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15391 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15392 df_urec_bb_info, ) New types.
15393 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15395 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15396 df_analyze_simple_change_some_blocks,
15397 df_analyze_simple_change_one_block, df_compact_blocks,
15398 df_bb_replace, df_bb_regno_last_use_find,
15399 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15400 df_insn_regno_def_p, df_find_def, df_find_use,
15401 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15402 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15403 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15404 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15405 debug_df_chain, df_get_dependent_problem, df_chain_create,
15406 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15407 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15408 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15409 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15410 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15411 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15412 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15413 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15414 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15415 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15416 df_reorganize_refs, df_set_state, df_hard_reg_init,
15417 df_read_modify_subreg_p) New public functions.
15418 * df-core.c: The core dataflow solver and glue routines for rtl
15420 (df_init, df_add_problem, df_set_blocks, df_finish,
15421 df_hybrid_search_forward, df_hybrid_search_backward,
15422 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15423 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15424 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15425 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15426 df_reg_defined, df_find_use, df_reg_used, df_dump,
15427 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15428 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15429 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15430 debug_df_useno, reset_df_after_reload): New functions.
15431 * df-scan.c: The scanning fuctions, once in df.c, completely
15432 rewritten so that they now fully model the functionality of
15433 register usage at the backend.
15434 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15435 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15436 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15437 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15438 df_get_artificial_defs, df_get_artificial_uses,
15439 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15440 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15441 df_refs_delete, df_reorganize_refs, df_set_state,
15442 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15443 df_def_record_1, df_defs_record, df_uses_record,
15444 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15445 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15446 df_record_exit_block_uses, df_hard_reg_init): New functions.
15448 * df-problems.c: Seven concrete dataflow problems that use the
15449 scanning in df-scan.c and are solved by the engine in df-core.c.
15450 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15451 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15452 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15453 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15454 df_ru_free_bb_info, df_ru_alloc,
15455 df_ru_bb_local_compute_process_def,
15456 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15457 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15458 df_ru_transfer_function, df_ru_free, df_ru_dump,
15459 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15460 df_rd_free_bb_info, df_rd_alloc,
15461 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15462 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15463 df_rd_transfer_function, df_rd_free, df_rd_dump,
15464 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15465 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15466 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15467 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15468 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15469 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15470 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15471 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15472 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15473 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15474 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15475 df_urec_mark_reg_use_for_earlyclobber,
15476 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15477 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15478 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15479 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15480 df_chain_create_bb_process_use, df_chain_create_bb,
15481 df_chain_finalize, df_chain_free, df_chains_dump,
15482 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15483 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15484 df_reg_lifetime): New functions.
15485 * df.c: Deleted file.
15486 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15487 consistent with new df api.
15488 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15489 rest_of_handle_sms): Ditto.
15490 * web.c (unionfind_union, union_defs, entry_register, web_main):
15492 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15493 invariant_expr_equal_p, find_defs, check_dependencies,
15494 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15495 free_inv_motion_data, move_loop_invariants): Ditto.
15496 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15497 Update dependencies.
15498 (odf.c): Added defective entry that was deleted later in day.
15499 * sched-deps.c (sched_analyze_1): Ditto.
15501 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15503 * tree-ssa-operands.c (get_expr_operands): Record addressable
15504 variables directly. Do not call add_stmt_operands for CONST_DECLs
15506 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15507 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15509 2006-01-11 Ben Elliston <bje@au.ibm.com>
15511 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15512 function returns true in the positive case.
15514 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15517 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15518 for SI, DI, SF and DF modes. Add alternatives to copy between
15519 general and floating point registers to the 32-bit patterns.
15520 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15521 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15522 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15523 generating 64-bit code.
15524 * config/pa/pa.c (output_move_double): Handle copies between general
15525 and floating registers.
15527 2006-01-10 Stuart Hastings <stuart@apple.com>
15529 * config/i386/i386.md (set_got): Update.
15530 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15531 (builtin_setjmp_receiver): Mach-O support.
15532 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15533 (GOT_SYMBOL_NAME): Define.
15534 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15535 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15536 * config/i386/i386.c (override_options): Revise for Darwin.
15537 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15538 support. (darwin_x86_file_end): New. (output_set_got): Add label
15539 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15540 * config/i386/i386-protos.h (output_set_got): Likewise.
15541 * config/darwin.c (machopic_legitimize_pic_address): Update
15544 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15546 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15547 when MODE isn't BLKmode.
15549 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15551 PR rtl-optimization/25367
15552 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15554 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15557 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15558 for a negative bound.
15560 2006-01-10 Richard Guenther <rguenther@suse.de>
15562 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15563 Never override with anything constraint.
15565 2006-01-10 Jan Beulich <jbeulich@novell.com>
15567 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15568 256 bits when optimize_size.
15570 2006-01-10 Jan Beulich <jbeulich@novell.com>
15572 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15574 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15575 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15578 2006-01-10 Ben Elliston <bje@au.ibm.com>
15580 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15582 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15583 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15584 (USE_FP_FOR_ARG): Reject decimal float modes.
15585 (function_arg_advance): Likewise.
15586 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15587 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15588 point types in AltiVec vectors.
15589 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15590 (rs6000_libcall_value): Likewise.
15592 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15594 * config/xtensa/ieee754-df.S: New file.
15595 * config/xtensa/ieee754-sf.S: New file.
15596 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15597 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15598 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15600 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15602 * config/sh/predicates.md (binary_float_operator,
15603 binary_logical_operator, commutative_float_operator,
15604 equality_comparison_operator, greater_comparison_operator,
15605 less_comparison_operator, logical_operator,
15606 noncommutative_float_operator, shift_operator,
15607 symbol_ref_operand, unary_float_operator): Remove redundant
15610 2006-01-09 Jeff Law <law@redhat.com>
15612 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15613 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15614 now unused arguments. Callers updated.
15615 (eliminate_redundant_computations): Remove now unused arguments,
15617 (local_fold): Remove, no longer used.
15618 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15620 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15621 (simplify_cond): New function.
15622 (forward_propagate_into_cond): Call simplify_cond.
15624 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15626 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15627 (*vec_extractv2di_1_sse): New.
15629 2006-01-09 Ben Elliston <bje@au.ibm.com>
15631 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15633 2006-01-08 Richard Guenther <rguenther@suse.de>
15635 * tree-ssa-structalias.c (get_constraint_for): Remove
15636 anyoffset argument.
15637 (get_constraint_for_component_ref): Likewise.
15638 (do_deref): Likewise.
15639 (get_constraint_for): Likewise.
15640 (do_structure_copy): Likewise.
15641 (handle_ptr_arith): Likewise.
15642 (find_func_aliases): Likewise. Remove unused need_anyoffset
15645 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15646 Kaz Kojima <kkojima@gcc.gnu.org>
15648 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15649 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15650 (EXTRA_CONSTRAINT_C16): Remove.
15651 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15652 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15653 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15654 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15655 constants of SHmedia. Handle nested constant expressions of
15657 (andcosts): Fix the costs for SHmedia constants.
15658 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15659 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15660 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15661 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15662 (movv4hi_i, movv2si_i): Likewise.
15663 (movsi_const): Adjust the second operand of ior so to match with
15664 the Csu constraint.
15665 (movdi_const, movdi_const_32bit): Likewise.
15666 (movdi_const_16bit+1): Don't sign-extend LOW.
15667 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15669 (*double_shori): Fix the split condition. Use GEN_INT instead
15670 of get_int_mode calls. Mask lower 16-bit of the argument of
15672 (sym2GOTPLT): Remove.
15673 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15675 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15676 instead of EXTRA_CONSTRAINT_C16.
15678 2006-01-07 Ian Lance Taylor <ian@airs.com>
15679 David Edelsohn <edelsohn@gnu.org>
15681 PR rtl-optimization/25662
15682 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15683 for constant operands instead of simplify_gen_binary.
15684 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15685 after trying simplify_binary_operation
15687 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15689 * tree.c (iterative_hash_expr): Hash decls based on UID.
15691 2006-01-06 Eric Christopher <echristo@apple.com>
15693 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15694 (TARGET_UNWIND_EMIT): Fix spelling.
15695 * target.h (gcc_target): Add except_table_label.
15696 * except.c (output_function_exception_table): Use.
15697 * varasm.c (default_emit_except_table_label): New.
15698 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15700 (asm_out): Add here.
15701 * output.h (default_emit_except_table_label): Prototype.
15702 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15703 * config/darwin.c (darwin_emit_except_table_label): Define.
15704 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15706 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15708 PR tree-optimization/18527
15709 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15710 number_of_iterations_special, number_of_iterations_exit):
15711 Move base and step of an iv to a single structure. Add
15712 no_overflow flag, and use it in # of iterations analysis.
15713 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15714 folded_casts argument.
15715 (simple_iv): Pass base and step in a structure. Set no_overflow
15717 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15718 Evaluate expensiveness of computing # of iterations instead of
15719 the final expression.
15720 * tree-scalar-evolution.h (affine_iv): New structure.
15721 (simple_iv): Declaration changed.
15722 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15723 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15724 find_givs_in_stmt): Changed due to simple_iv change.
15726 2006-01-06 Jeff Law <law@redhat.com>
15729 * tree-cfg.c (bsi_replace): Rename final argument from
15730 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15731 change (stmt -> orig_stmt).
15732 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15733 (bsi_remove): Add new argument. Remove EH information
15735 (verify_eh_throw_table_statements): New function.
15736 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15738 * tree-optimize.c (execute_free_cfg_annotations): Verify
15739 the EH throw statement table after removing annotations.
15740 * except.h (verify_eh_throw_table_statements): Prototype.
15741 * tree-flow.h (bsi_remove): Update prototype.
15742 * tree-vrp.c (remove_range_assertions): Add new argument to
15744 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15745 * tree-complex.c (expand_complex_div_wide): Likewise.
15746 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15747 * tree-tailcall.c (eliminate_tailcall): Likewise.
15748 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15749 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15750 * tree-nrv.c (tree_nrv): Likewise.
15751 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15752 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15753 (combine_blocks): Likewise.
15754 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15755 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15756 (cleanup_control_flow): Likewise.
15757 (remove_forwarder_block): Likewise.
15758 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15759 * tree-sra.c (sra_replace): Likewise.
15760 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15761 (forward_propagate_single_use_vars): Likewise.
15762 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15763 * tree-inline.c (expand_call_inline): Likewise.
15764 * tree-vect-transform.c (vect_transform_loop): Likewise.
15765 * tree-outof-ssa.c (rewrite_trees): Likewise.
15766 * tree-cfg.c (make_goto_expr_edges): Likewise.
15767 (cleanup_dead_labels): Likewise.
15768 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15769 (bsi_move_before, bsi_move_after): Likewise.
15770 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15771 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15773 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15776 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15778 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15779 on non gimple variables. Also add checks at the top for decls and
15781 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15783 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15784 and IMAGPART_EXPR for creating MUST_DEFs.
15785 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15786 and NAME_MEMORY_TAG separately from the DECLs.
15788 2006-01-06 Richard Guenther <rguenther@suse.de>
15790 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15791 annotation, if necessary.
15792 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15793 redundant calls to update_stmt.
15794 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15797 2006-01-05 Richard Henderson <rth@redhat.com>
15799 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15801 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15803 * c-typeck.c: Update copyright date.
15805 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15807 * c-typeck.c (build_c_cast): Always warn when casting
15808 from a pointer to an integer of different size, even if
15809 the node was constant.
15811 2006-01-05 Richard Guenther <rguenther@suse.de>
15813 PR tree-optimization/22555
15814 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15815 if one structure field is an array.
15816 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15817 operands even if we found a subvar, but ignore VOPs in this
15819 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15821 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15823 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15825 PR middle-end/24998
15826 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15828 2006-01-05 Richard Guenther <rguenther@suse.de>
15829 Diego Novillo <dnovillo@redhat.com>
15831 * tree-pass.h (TODO_remove_unused_locals): Define.
15832 * gimple-low.c (expand_var_p, remove_useless_vars,
15833 pass_remove_useless_vars): Remove. Update all users.
15834 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15835 (remove_unused_locals): New function.
15836 * tree-flow.h (remove_unused_locals): Declare.
15837 * passes.c (execute_todo): Call remove_unused_locals if
15838 TODO_remove_unused_locals is set.
15839 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15840 * tree-ssa-dce.c (pass_dce): Likewise.
15841 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15843 2006-01-05 Richard Guenther <rguenther@suse.de>
15845 * tree-flow.h (struct fieldoff): Decompose field to
15846 type, size and decl.
15847 * tree-ssa-alias.c (create_sft): Take type as parameter.
15848 (create_overlap_variables_for): Store type, size and decl
15849 in the fieldoff structure.
15850 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15851 of struct fieldoff.
15852 (push_fields_onto_fieldstack): Likewise.
15853 (create_variable_info_for): Likewise. Use offset for the
15854 SFT name if the decl is not available.
15856 2006-01-04 Paul Brook <paul@codesourcery.com>
15858 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15860 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15862 * lambda-code.c (can_put_in_inner_loop): Relax
15864 (can_put_after_inner_loop): New function.
15865 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15866 (perfect_nestify): Change to make copies and modify uses.
15868 2006-01-04 Richard Henderson <rth@redhat.com>
15870 Merge from gomp branch:
15871 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15872 via integer constant.
15873 (pragma_lex): Remove.
15874 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15875 rather than parsing it.
15876 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15877 handle_pragma_extern_prefix): Add %< %> quotes.
15878 (registered_pragmas): New.
15879 (c_register_pragma_1): New.
15880 (c_register_pragma): Use it.
15881 (c_register_pragma_with_expansion): Likewise.
15882 (c_invoke_pragma_handler): New.
15883 (init_pragma): Use cpp_register_deferred_pragma directly for
15885 * c-pragma.h (enum pragma_kind): New.
15886 (pragma_handler): New.
15887 (c_invoke_pragma_handler): Declare.
15888 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15890 * c-common.h (c_common_pch_pragma): Update decl.
15891 * Makefile.in (c-parser.o): Update dependencies.
15892 (GTFILES): Add c-pragma.h.
15893 * c-parser.c (struct c_token): Add pragma_kind.
15894 (struct c_parser): Add in_pragma.
15895 (c_lex_one_token): Always initialize keyword and pragma_kind.
15896 Extract data for CPP_PRAGMA.
15897 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15898 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15899 Don't allow CPP_PRAGMA_EOL if in_pragma.
15900 (c_parser_consume_pragma): New.
15901 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15902 (c_parser_skip_to_end_of_parameter): Likewise.
15903 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15904 (c_parser_skip_to_pragma_eol): New.
15905 (c_parser_external_declaration): Handle CPP_PRAGMA.
15906 (c_parser_compound_statement_nostart): Likewise.
15907 (c_parser_statement_after_labels): Likewise.
15908 (c_parser_pragma): New.
15909 (pragma_lex): Likewise.
15910 (c_parser_pragma_pch_preprocess): New.
15911 (c_parser_new): Merge into ...
15912 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15914 2006-01-04 Jeff Law <law@redhat.com>
15917 * tree-cfg.c (bsi_replace): Remove the original statement
15918 from the EH throw statement table.
15920 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15922 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15923 make the prototype extern "C" and add throw ().
15926 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15927 and pos non-negative and pos + len <= 32.
15928 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15929 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15930 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15933 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15934 as well as sizes not multiple of component size.
15937 * function.c (instantiate_expr): New function.
15938 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15939 walk its DECL_VALUE_EXPR with instantiate_expr.
15941 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15942 DW_OP_deref{,_size} if address isn't going to be added.
15944 2006-01-04 Ben Elliston <bje@au.ibm.com>
15946 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15947 * config/fp-bit.c: Likewise.
15949 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15951 * dominance.c: Add comment about why we use DFS numbering
15954 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15955 Richard Henderson <rth@redhat.com>
15957 Merge from gomp-branch:
15958 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15959 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15961 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15963 PR rtl-optimization/25578
15964 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15965 pass a parameter to simplify_shift_const if changing ASHIFTRT
15968 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15970 * builtins.c (get_builtin_sync_mem): New function.
15971 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15972 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15973 Call get_builtin_sync_mem to generate mem rtx.
15975 2006-01-03 Richard Guenther <rguenther@suse.de>
15978 * stmt.c (add_case_node): Make sure to clear overflow flags
15981 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15983 Merge from gomp-branch.
15984 * config/sparc/sync.md: New file.
15985 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15986 UNSPECV_LDSTUB): New constants.
15987 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15988 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15989 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15992 2006-01-03 Roger Sayle <roger@eyesopen.com>
15994 * combine.c (reg_subword_p): New predicate to test whether the
15995 destination of a set refers to a subword/piece of a register.
15996 (try_combine): Generalize the code to merge the setting of a
15997 pseudo to a constant followed by a set of a subword of that
15998 register to a constant.
16000 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16002 * basic-block.h (control_flow_graph): Change the type of
16003 x_label_to_block_map to VEC(basic_block,gc) *.
16004 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16005 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16007 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16008 VEC(basic_block,heap) *.
16009 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16010 ssa_prop_fini): Adjust the uses of cfg_blocks.
16012 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16014 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16016 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16017 hashing trees instead of a pointer hash.
16018 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16019 compare for MEM_EXPR.
16021 PR rtl-optimization/25130
16022 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16023 when comparing MEMs for GCSE
16025 2006-01-03 Ben Elliston <bje@au.ibm.com>
16027 * targhooks.h (default_decimal_float_supported_p): Declare.
16028 * targhooks.c (default_decimal_float_supported_p): Define.
16029 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16030 `default_decimal_float_supported_p'.
16031 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16033 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16035 * combine.c (apply_distributive_law <SUBREG>): Check
16036 TRULY_NOOP_TRUNCATION.
16038 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16040 * dwarf2out.c (have_switched_text_section): Delete.
16041 (have_multiple_function_sections): New.
16042 (have_location_lists): Make 'bool'.
16043 (add_AT_loc_list): Use 'true' not '1'.
16044 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16045 (output_loc_list): Use have_multiple_function_sections.
16046 (output_ranges): Likewise.
16047 (dwarf2out_begin_function): Set have_multiple_function_sections if
16049 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16050 Check function_section rather than DECL_SECTION_NAME.
16051 (dwarf2out_finish): Use have_multiple_function_sections.
16052 Don't clear have_location_lists.
16054 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16055 Jan Hubicka <jh@suse.cz>
16057 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16058 case of conditional jump jumping to the next instruction.
16059 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16060 cases of conditional jump jumping to the next instruction.
16062 2006-01-02 Jan Hubicka <jh@suse.cz>
16064 * i386.c (*_cost): Add COSTS_N_INSNS.
16065 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16067 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16070 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16072 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16074 * config/arm/arm.c (all_fpus): Fix comment typo.
16075 * config/darwin.c: Likewise.
16076 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16077 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16078 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16080 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16082 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16083 (rs6000_split_compare_and_swapqhi): New.
16084 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16085 (sync_compare_and_swapqhi_internal): New.
16086 * config/rs6000/rs6000-protos.h: Declare.