1 2006-10-21 Uros Bizjak <uros@kss-loka.si>
3 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
4 force operand1 to register if both operands are memory operands.
5 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
6 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
7 if both operands are memory operands.
8 (truncdfsf2): Do not force operand1 to register if both operands
11 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
13 * Makefile.in (LIBS): Add $(GMPLIBS).
14 * doc/install.texi: Update GMP and MPFR requirements.
15 * doc/sourcebuild.texi (need_gmp): Delete.
17 2006-10-21 Richard Guenther <rguenther@suse.de>
19 PR tree-optimization/3511
20 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
21 got new invariant arguments during PHI translation.
23 2006-10-21 Richard Guenther <rguenther@suse.de>
26 * fold-const.c (fold_comparison): Fold signed comparisons
27 of the form X +- C1 CMP Y +- C2.
29 2006-10-21 Richard Guenther <rguenther@suse.de>
32 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
33 if flag_unsafe_math_optimizations is specified. We have
34 flag_finite_math_only for that.
35 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
36 or flag_unsafe_math_optimizations.
38 2006-10-21 Richard Guenther <rguenther@suse.de>
40 * builtins.c (fold_builtin_classify): Fix typo.
42 2006-10-21 Richard Guenther <rguenther@suse.de>
45 * simplify-rtx.c (simplify_const_relational_operation):
46 Do not constant-fold ORDERED and UNORDERED for
47 flag_unsafe_math_optimizations but only we do not need to
48 honor NaNs for the given mode.
50 2006-10-21 Richard Guenther <rguenther@suse.de>
53 * config/i386/i386.c (classify_argument): Remove redundant
54 walking of the BINFOs.
55 (contains_128bit_aligned_vector_p): Likewise.
57 2006-10-20 Mark Mitchell <mark@codesourcery.com>
59 * BASE-VER: Set to 4.3.0.
61 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
63 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
64 (tree_decl_with_vis): Remove artificial_pta_var flag.
65 * tree-flow.h (referenced_var_check_and_insert): Expose.
66 (nonlocal_all): New prototype.
67 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
68 (nonlocal_all): Make global.
69 (nonlocal_lookup): Remove.
70 (nonlocal_insert): Ditto.
71 (create_nonlocal_var): Do not call nonlocal_insert.
72 (get_nonlocal_id_for_type): Remove.
73 (find_global_initializers): Mark new vars we find for renaming.
74 (intra_create_variable_infos): Only create one nonlocal.
75 (expand_nonlocal_solutions): Remove.
76 (compute_points_to_sets): Don't call it.
77 (ipa_pta_execute): Ditto.
78 (init_alias_heapvars): Don't create nonlocal_for_type.
79 (delete_alias_heapvars): Don't remove it.
80 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
83 2006-10-19 Brooks Moses <bmoses@stanford.edu>
85 * doc/install.texi (Downloading GCC): Clarify mention of
86 Fortran in the "full distribution" description.
88 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
90 Fix PR tree-optimization/28778
91 Fix PR tree-optimization/29156
92 Fix PR tree-optimization/29415
93 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
94 (tree_decl_with_vis): Add artificial_pta_var flag.
95 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
97 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
98 (nonlocal_all): Ditto.
99 (struct variable_info): Add directly_dereferenced member.
100 (var_escaped_vars): New variable.
101 (escaped_vars_tree): Ditto.
102 (escaped_vars_id): Ditto.
103 (nonlocal_vars_id): Ditto.
104 (new_var_info): Set directly_dereferenced.
105 (graph_size): New variable
106 (build_constraint_graph): Use graph_size.
107 (solve_graph): Don't process constraints that cannot change the
108 solution, don't try to propagate an empty solution to our
110 (process_constraint): Set directly_dereferenced.
111 (could_have_pointers): New function.
112 (get_constraint_for_component_ref): Don't process STRING_CST.
113 (nonlocal_lookup): New function.
114 (nonlocal_insert): Ditto.
115 (create_nonlocal_var): Ditto.
116 (get_nonlocal_id_for_type): Ditto.
117 (get_constraint_for): Allow results vector to be empty in the case
119 Handle results of calls properly.
120 (update_alias_info): Update alias info stats on number and type of
122 (find_func_aliases): Use could_have_pointers.
123 (make_constraint_from_escaped): Renamed from
124 make_constraint_to_anything, and changed to make constraints from
126 (make_constraint_to_escaped): New function.
127 (find_global_initializers): Ditto.
128 (create_variable_info_for): Make constraint from escaped to any
129 global variable, and from any global variable to the set of
131 (intra_create_variable_infos): Deal with escaped instead of
132 pointing to anything.
133 (set_uids_in_ptset): Do type pruning on directly dereferenced
135 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
136 (init_base_vars): Fix comment, and initialize escaped_vars.
137 (need_to_solve): Removed.
138 (find_escape_constraints): New function.
139 (expand_nonlocal_solutions): Ditto.
140 (compute_points_to_sets): Call find_escape_constraints and
141 expand_nonlocal_solutions.
142 (delete_points_to_sets): Don't fall off the end of the graph.
143 (init_alias_heapvars): Initialize nonlocal_for_type and
145 (delete_alias_heapvars): Free nonlocal_for_type and null out
148 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
150 * fold-const.c (add_double): Rename to add_double_with_sign.
151 Add 'unsigned_p' parameter and take it into account for the overflow.
152 (mul_double): Rename to mul_double_with_sign.
153 Add 'unsigned_p' parameter and take it into account for the overflow.
154 (fold_div_compare): Call add_double_with_sign instead of add_double
155 and mul_double_with_sign instead of mul_double, passing them the
156 unsignedness of the type.
157 * tree.h (add_double): Macroize.
158 (add_double_with_sign): New prototype.
159 (mul_double): Macroize.
160 (mul_double_with_sign): New prototype.
162 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
164 * config/score/crti.asm: New file.
165 * config/score/crtn.asm: New file.
166 * config/score/elf.h: New file.
167 * config/score/mac.md: New file.
168 * config/score/misc.md: New file.
169 * config/score/mul-div.S: New file.
170 * config/score/predicates.md: New file.
171 * config/score/score7.md: New file.
172 * config/score/score.c: New file.
173 * config/score/score-conv.h: New file.
174 * config/score/score.h: New file.
175 * config/score/score.md: New file.
176 * config/score/score-mdaux.c: New file.
177 * config/score/score-mdaux.h: New file.
178 * config/score/score-modes.def: New file.
179 * config/score/score.opt: New file.
180 * config/score/score-protos.h: New file.
181 * config/score/score-version.h: New file.
182 * config/score/t-score-elf: New file.
183 * config.gcc: Add score*-*-* configurations(Update before).
184 * doc/invoke.texi (Score Options): New section.
185 * doc/md.texi (Score family): New section to document constraints.
187 2006-10-19 Nick Clifton <nickc@redhat.com>
189 * config/arm/arm.c: Fix spelling typo.
191 2006-10-18 Tom Tromey <tromey@redhat.com>
193 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
195 2006-10-18 Jan Hubicka <jh@suse.cz>
198 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
201 2006-10-18 Marcin Dalecki <martin@dalecki.de>
203 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
204 TSI_SAME_STMT, since that's the desired entity.
206 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
208 * config/s390/contraints.md: New file.
209 * config/s390/s390-protos.h (s390_mem_constraint,
210 s390_O_constraint_str, s390_N_constraint_str,
211 s390_float_const_zero_p): Function prototypes added.
212 * config/s390/s390.c (s390_extra_constraint_str,
213 s390_const_double_ok_for_constraint_p,
214 s390_const_ok_for_constraint_p): Functions removed.
215 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
216 s390_float_const_zero_p): New functions.
217 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
218 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
219 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
220 Macro definitions removed.
221 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
222 s390_extra_constraint_str): Functions removed.
224 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
225 Richard Sandiford <richard@codesourcery.com>
228 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
229 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
231 2006-10-16 Geoffrey Keating <geoffk@apple.com>
233 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
234 (DWARF2_FRAME_REG_OUT): Likewise.
235 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
236 (DWARF2_FRAME_REG_OUT): Likewise.
238 2006-10-17 Paul Brook <paul@codesourcery.com>
240 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
242 2006-10-16 Brooks Moses <bmoses@stanford.edu>
244 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
245 Standardize on "GNU Fortran" as the official name of the Fortran
248 2006-10-16 Mike Stump <mrs@apple.com>
250 * doc/invoke.texi (Darwin Options): Document -mkernel.
251 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
253 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
254 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
255 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
256 (OS_MISSING_ALTIVEC): Add.
257 * config/i386/i386.c (override_options): Add
258 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
259 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
260 -mkernel, -static or -mdynamic-no-pic is given.
261 (C_COMMON_OVERRIDE_OPTIONS): Add.
262 * config/darwin.opt (fapple-kext): Add.
264 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
265 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
267 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
268 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
269 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
270 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
271 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
273 (flag_apple_kext): Add.
274 (TARGET_KEXTABI): Add.
275 * config/darwin.c (darwin_handle_kext_attribute): Add.
276 (DARWIN_VTABLE_P): Add.
277 (darwin_binds_local_p): Add partial support for rebinding vtables
279 (darwin_kextabi_p): Add.
280 (darwin_override_options): Add.
281 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
282 (darwin_kextabi_p): Add.
283 (darwin_override_options): Add.
284 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
285 __DYNAMIC__ and __STATIC__ here.
287 2006-10-16 Brooks Moses <bmoses@stanford.edu>
289 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
290 Added mention of "make pdf" target, and Texinfo requirements for
293 2006-10-16 DJ Delorie <dj@redhat.com>
295 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
296 into the GOT in case we need a subreg of the address.
298 2006-10-16 Richard Guenther <rguenther@suse.de>
301 * doc/extend.texi (X86 Built-in Functions): Fix typos in
302 SSE builtin documentation. Document SSE2 builtins.
304 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
306 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
307 symbol in the output file for non-shared links when -nostdlib or
308 -nodefaultlibs isn't specified.
310 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
311 posix thread support.
313 2006-10-15 Jan Hubicka <jh@suse.cz>
316 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
317 declared always_inline even when not inlining.
319 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
320 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
321 Andrew Pinski <pinskia@gmail.com>
324 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
326 2006-10-15 Jan Hubicka <jh@suse.cz>
327 Richard Guenther <rguenther@suse.de>
330 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
331 process_function_and_variable_attributes on all variables, including
332 those discovered during cgraph construction phase.
334 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
336 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
338 2006-10-14 Uros Bizjak <uros@kss-loka.si>
340 * config/i386/athlon.md (athlon_fist): Add fisttp.
342 2006-10-13 David Edelsohn <edelsohn@gnu.org>
343 Ian Lance Taylor <ian@airs.com>
346 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
347 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
350 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
352 * config/score/score.c, config/score/score.h: Fix comment
355 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
358 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
361 2006-10-13 Eric Christopher <echristo@apple.com>
363 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
365 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
368 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
369 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
370 alignment supported by 32-bit ELF.
372 2006-10-13 Eric Christopher <echristo@apple.com>
374 * config/darwin.c (darwin_emit_unwind_label): Strip
375 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
377 2006-10-13 Richard Guenther <rguenther@suse.de>
379 PR tree-optimization/29446
380 * tree-vrp.c (fix_equivalence_set): Remove.
381 (extract_range_from_assert): Do not call fix_equivalence_set.
382 (debug_value_range): Print a newline.
383 (compare_name_with_value): For equivalence sets with
384 inconsistent value ranges conservatively bail out.
385 (compare_names): Likewise.
387 2006-10-13 David Edelsohn <edelsohn@gnu.org>
389 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
390 and MPFR for gfortran.
392 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
394 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
395 alignment supported by 32-bit ELF.
397 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
401 * c-typeck.c (digest_init): Always allow initializing vectors
402 that have static storage duration with compound literals.
403 * tree.c (build_type_attribute_qual_variant): New, based on
404 build_type_attribute_variant.
405 (build_type_attribute_variant): Rewrite using the former.
406 (make_vector_type): Use build_type_attribute_qual_variant to build
407 type variants. Use type_hash_canon on the others.
409 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
410 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
412 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
414 2006-10-12 Jan Hubicka <jh@suse.cz>
417 * c-decl.c (c_make_fname_decl): Do not segfault in case where
418 current_function_decl is set but current_function_scope is not.
420 2006-10-12 Jie Zhang <jie.zhang@analog.com>
422 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
423 emit_insn to emit eh_return_internal instruction.
424 (eh_return_internal): Explicitly set pc.
426 2006-10-11 Richard Guenther <rguenther@suse.de>
428 PR tree-optimization/28230
429 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
430 to the correct place.
432 2006-10-11 Richard Guenther <rguenther@suse.de>
435 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
438 2006-10-10 Brooks Moses <bmoses@stanford.edu>
440 * configure.ac: Added pdf to "Make-hooks"
441 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
442 targets and *.pdf file patterns in cleanup targets.
443 * configure: Regenerated.
445 2006-10-10 Anatoly Sokolov <aesok@post.ru>
447 * config/avr/predicates.md: New file.
448 * config/avr/avr.md: Include it.
449 (REG_SP): New constant.
450 (peepholes): Use predicates.
451 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
452 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
453 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
455 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
457 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
460 2006-10-10 Jakub Jelinek <jakub@redhat.com>
463 * builtins.c (var_decl_component_p): New function.
464 (fold_builtin_memset, fold_builtin_memory_op): Restrict
465 single entry optimization to variables and components thereof.
467 2006-10-10 Richard Guenther <rguenther@suse.de>
469 PR rtl-optimization/29323
470 * except.c (set_nothrow_function_flags): For functions
471 that do not bind local bail out early.
473 2006-10-10 Ben Elliston <bje@au.ibm.com>
475 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
478 2006-10-09 Richard Henderson <rth@redhat.com>
482 2006-10-09 Richard Guenther <rguenther@suse.de>
485 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
488 2006-10-09 Steve Ellcey <sje@cup.hp.com>
491 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
492 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
493 * configure: Regenerate.
494 * config.in: Regenerate.
496 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
498 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
500 2006-10-08 Richard Sandiford <richard@codesourcery.com>
502 * config/mips/mips.c (mips_legitimize_tls_address): Implement
503 all TLS models in the same way as local exec if !TARGET_ABICALLS.
504 Remove stray newline.
506 2006-10-08 Richard Sandiford <richard@codesourcery.com>
508 * config/mips/mips.c (mips_classify_symbol): Do not return
509 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
510 (mips_in_small_data_p): Tweak comments.
512 2006-10-08 Richard Sandiford <richard@codesourcery.com>
514 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
516 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
518 * gimplify.c, sched-int.h: Fix comment typos.
520 * sched-int.h: Fix comment typos.
522 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
524 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
526 * sched-ebb.c (begin_schedule_ready): Use them.
527 * haifa-sched.c (schedule_insn, move_insn, try_ready,
528 add_to_speculative_block, create_check_block_twin, speculate_insn,
529 fix_jump_move, move_block_after_check): Ditto.
530 * sched-rgn.c (new_ready): Ditto.
532 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
534 PR rtl-optimization/29128
535 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
536 * sched-ebb.c (advance_target_bb): Use it to fix condition to
537 allow interblock movement of speculation checks.
539 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
542 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
543 casted to integer type.
544 (get_address_cost): Decrease cost of [symbol + index] addressing modes
545 if they are significantly more expensive than [reg + index] ones.
547 2006-10-06 Jakub Jelinek <jakub@redhat.com>
549 PR tree-optimization/29330
550 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
551 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
552 on newly allocated ddrs.
553 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
554 to VEC (loop_p, heap) pointer.
555 (compute_data_dependences_for_loop): Adjust caller.
556 (free_dependence_relations): Free DDR_LOOP_NEST.
558 * tree-loop-linear.c (linear_transform_loops): Don't forget to
559 free DEPENDENCE_RELATIONS and DATAREFS.
562 * builtins.c (expand_builtin_sync_operation,
563 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
564 Use convert_to_mode to handle promoted arguments.
566 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
568 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
570 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
572 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
574 2006-10-05 Uros Bizjak <uros@kss-loka.si>
576 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
577 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
578 Use <modeconstraint> instead of "r" as operand 1 constraint.
580 2006-10-06 Olivier Hainque <hainque@adacore.com>
582 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
583 Don't recurse on the pointed-to type.
584 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
585 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
586 types with components of variable size.
588 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
590 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
592 2006-10-06 Jakub Jelinek <jakub@redhat.com>
594 PR tree-optimization/29290
595 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
599 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
600 * config/i386/predicates.md (local_symbolic_operand): Likewise.
603 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
604 the number of vector elements fill the rest with zeros.
606 2006-10-05 Richard Sandiford <richard@codesourcery.com>
608 * config/mips/mips.c (mips_pass_by_reference): Do not return false
609 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
612 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
614 * config/bfin/bfin.md (subsi3): Lose expander, change previously
615 unnamed pattern into subsi3. Use correct constraints/predicates.
616 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
617 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
619 2006-10-05 Ira Rosen <irar@il.ibm.com>
621 * doc/loop.texi: Add data references analysis description.
623 2006-10-04 Brooks Moses <bmoses@stanford.edu>
625 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
627 2006-10-04 Richard Henderson <rth@redhat.com>
628 Jakub Jelinek <jakub@redhat.com>
630 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
631 * builtin-types.def (BT_WORD): Make unsigned.
632 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
633 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
634 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
635 * c-decl.c (grokdeclarator): Don't error if !have_tls.
636 * c-parser.c (c_parser_omp_threadprivate): Likewise.
637 * cgraph.c (decide_is_variable_needed): Look at force_output.
638 Recurse for emulated tls.
639 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
640 checks redundant with decide_is_variable_needed.
641 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
642 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
644 * expr.c (emutls_var_address): New.
645 (expand_expr_real_1): Expand emulated tls.
646 (expand_expr_addr_expr_1): Likewise.
647 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
648 * output.h (emutls_finish): Declare.
649 * toplev.c (compile_file): Call it.
650 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
651 address before wrapping in CONST.
652 * varasm.c (emutls_htab, emutls_object_type): New.
653 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
654 (get_emutls_object_name, get_emutls_object_type): New.
655 (get_emutls_init_templ_addr, emutls_decl): New.
656 (emutls_common_1, emutls_finish): New.
657 (assemble_variable): When emulating tls, swap decls; generate
658 constructor for the emutls objects.
659 (do_assemble_alias): When emulating tls, swap decl and target name.
660 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
662 * emutls.c: New file.
663 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
664 tls_object for real tls.
666 2006-10-04 Zack Weinberg <zackw@panix.com>
668 Fix bug in constraint-check generator, reported by Rask Ingemann
670 * genpreds.c (add_constraint): Don't remove anything from the
672 (write_tm_constrs_h): Detect whether "op" argument is used, and
673 mark it ARG_UNUSED if it isn't.
674 (write_insn_const_int_ok_for_constraint): Skip the part of the
675 expression that would test whether "op" (which is not available
676 here) is a CONST_INT.
678 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
681 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
683 2006-10-03 Geoffrey Keating <geoffk@apple.com>
685 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
686 current Leopard versions.
687 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
689 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
691 * doc/install.texi: Fix typos.
693 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
695 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
696 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
697 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
699 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
701 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
702 arg to be struct mach_header_64* instead.
704 2006-10-02 Jakub Jelinek <jakub@redhat.com>
707 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
708 side effects after the outer expression's post side effects.
710 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
712 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
713 comments to reflect actual behavior and relationship between
714 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
716 * doc/c-tree.texi (Working with declarations): Fix documentation
717 of FIELD_DECL likewise.
719 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
722 * doc/extend.texi: Add used variable attribute description.
724 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
727 * c.opt (Woverride-init): New.
728 * c-opts.c (c_common_post_options): Default warn_override_init to
730 * c-typeck.c (add_pending_init, output_init_element): Warn for
731 overriding initializers without side effects.
732 * doc/invoke.texi (-Woverride-init): Document.
735 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
737 PR rtl-optimization/28096
738 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
739 assignment has already been used as a destination earlier in the block.
741 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
743 * builtins.c (expand_builtin_setjmp): Delete.
744 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
745 <BUILT_IN_SETJMP_SETUP>: New case.
746 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
747 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
748 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
749 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
750 (BUILT_IN_SETJMP_RECEIVER): Likewise.
751 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
752 (lower_function_body): Initialize it to false. If it is set to true
753 at the end of the processing, emit the setjmp dispatcher.
754 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
755 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
756 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
757 on the rhs of the assignment.
758 (lower_builtin_setjmp): New function.
759 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
760 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
761 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
762 to detect calls that can go to non-local labels. Use specific
763 helper to create the abnormal edges associated with them.
764 <MODIFY_EXPR>: Likewise.
765 (make_abnormal_goto_edges): New function extracted from...
766 (make_goto_expr_edges): ...here. Call it for computed gotos.
767 (simple_goto_p): Minor tweak.
768 (tree_can_make_abnormal_goto): New predicate.
769 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
770 (tree_purge_dead_abnormal_call_edges): New function.
771 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
772 (tree_purge_dead_abnormal_call_edges): Likewise.
773 (make_abnormal_goto_edges): Likewise.
774 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
775 Purge all dead abnormal edges if the call was in the last statement.
776 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
777 (execute_fixup_cfg): If there are non-local labels in the function,
778 scan the basic blocks and split them at calls that can go to non-local
779 labels or add missing abnormal call edges. Write down the CFG in the
781 (pass_fixup_cfg): Remove TODO_dump_func flag.
782 * unwind-sjlj.c: Poison setjmp.
783 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
784 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
785 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
786 (DONT_USE_BUILTIN_SETJMP): Document it.
788 2006-09-28 Geoffrey Keating <geoffk@apple.com>
791 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
792 to 1 when __ppc64__ is defined.
793 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
795 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
797 2006-09-28 Steve Ellcey <sje@cup.hp.com>
799 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
800 * config/ia64/unwind-hpux.c: Delete.
802 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
804 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
805 on the element before gimplifying it, instead of punting if it is of
808 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
810 * doc/loop.texi: New file.
811 * doc/gccint.texi: Reference loop.texi.
812 * Makefile.in (loop.texi): Add.
814 2006-09-27 Geoffrey Keating <geoffk@apple.com>
816 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
818 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
819 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
821 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
823 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
825 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
827 * doc/install.texi: Document required versions of GMP and MPFR.
829 2006-09-27 Paul Brook <paul@codesourcery.com>
832 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
834 2006-09-27 Richard Sandiford <richard@codesourcery.com>
836 * reload1.c (alter_reg): Require the alignment of the stack slot to
837 be at least reg_max_ref_width bytes.
838 (scan_paradoxical_subregs): Record the largest width in
841 2006-09-26 Jakub Jelinek <jakub@redhat.com>
845 * tree-nested.c (struct nesting_info): Added static_chain_added.
846 (convert_call_expr): Set static_chain_added when adding static
847 chain. Handle OMP_PARALLEL and OMP_SECTION.
849 2006-09-25 Matthias Klose <doko@debian.org>
851 * doc/invoke.texi: Add missing full stop.
853 2006-09-25 Richard Henderson <rth@redhat.com>
855 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
856 before cgraph_function_flags_ready.
858 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
859 Adam Nemet <anemet@caviumnetworks.com>
861 * tree-ssa-loop-ivopts.c (aff_combination_convert,
862 determine_common_wider_type): New functions.
863 (get_computation_aff): Use them to simplify arithmetic between
864 UBASE and CBASE if they are shortened from the same type.
866 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
869 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
870 -2147483647 - 1 instead of 0x80000000.
872 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
874 * flags.h (HONOR_NANS): Fix typo in comment.
876 2006-09-23 Uros Bizjak <uros@kss-loka.si>
878 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
880 2006-09-23 Jakub Jelinek <jakub@redhat.com>
884 * tree.c (merge_attributes, attribute_list_contained): If both
885 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
887 * c-typeck.c (comptypes_internal): Don't consider aggregates
888 in different TUs as compatible if there one set of attributes is
889 not a subset of the other type's attributes.
890 (composite_type): Try harder not to create a new aggregate type.
892 2006-09-22 Geoffrey Keating <geoffk@apple.com>
894 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
895 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
896 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
897 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
898 than replicating condition above.
899 * config.host (i[34567]86-*-*): Always use driver-i386.o.
901 * config/darwin.h (LINK_SYSROOT_SPEC): New.
902 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
903 the linker by default.
905 2006-09-22 Mike Stump <mrs@apple.com>
907 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
910 2006-09-22 Richard Guenther <rguenther@suse.de>
913 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
914 sort of stack variables stable.
916 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
919 * explow.c (force_reg): Set REG_POINTER flag according to
922 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
924 PR tree-optimization/28888
925 * tree-if-conv.c (combine_blocks): Rewritten.
926 * tree-cfg.c (tree_verify_flow_info): Check that edges with
927 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
929 2006-09-22 Jakub Jelinek <jakub@redhat.com>
931 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
934 2006-09-21 Richard Sandiford <richard@codesourcery.com>
936 * varasm.c (copy_constant): Fix reversed gcc_assert check.
938 2006-09-21 Janis Johnson <janis187@us.ibm.com>
940 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
942 2006-09-21 Roger Sayle <roger@eyesopen.com>
945 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
946 dw_fde_current_label, to be the start of the function, i.e. the same
947 value as dw_fde_begin.
949 2006-09-20 Richard Sandiford <richard@codesourcery.com>
951 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
952 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
953 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
954 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
955 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
956 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
957 (abs<mode>2, neg<mode>2): Likewise.
958 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
959 (*mips_abs_ps): New define_insn.
961 2006-09-20 Josh Conner <jconner@apple.com>
964 * calls.c (expand_call): Allow reuse of structure return stack
967 2006-09-20 Paul Brook <paul@codesourcery.com>
969 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
972 2006-09-20 Janis Johnson <janis187@us.ibm.com>
974 * doc/extend.texi (Decimal Float): Update for latest draft TR,
975 clean up terminology.
977 2006-09-20 Steve Ellcey <sje@cup.hp.com>
980 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
981 with tablejumps in them.
983 2006-09-20 Jakub Jelinek <jakub@redhat.com>
986 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
987 wrap it into TARGET_EXPR.
989 2006-09-20 Eric Christopher <echristo@apple.com>
991 * config/i386/i386.c (x86_fisttp): Remove.
992 * config/i386/i386.h (x86_fisttp): Ditto.
993 (TARGET_FISTTP): Ditto.
995 2006-09-19 Eric Christopher <echristo@apple.com>
997 * doc/tm.texi (OBJC_JBLEN): Describe.
998 * config/i386/darwin.h (OBJC_JBLEN): Define.
999 * config/rs6000/darwin.h: Ditto.
1001 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1003 PR rtl-optimization/21299
1004 * reload1.c (reload): Purge invalid ASMs in the final pass.
1006 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1009 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1010 pointers as legitimate constants.
1012 2006-09-19 Paul Brook <paul@codesourcery.com>
1015 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1017 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1019 PR tree-optimization/28887
1020 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1021 component parts from the reference.
1022 (gather_memory_references_ref): Record the reference without the
1023 nonaddressable component parts.
1025 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1028 * c-opts.c (c_common_handle_option): Ignore the -std options
1029 if the input language is assembly.
1031 2006-09-17 Ira Rosen <irar@il.ibm.com>
1034 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1036 (ptr_ptr_may_alias_p): Likewise.
1037 (record_record_differ_p): New function.
1038 (base_object_differ_p): Call record_record_differ_p.
1040 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1043 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1044 away for the expr argument.
1046 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1049 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1050 before using it for dumping after vectorizing loops.
1052 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1053 Jack Howarth <howarth@bromo.med.uc.edu>
1056 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1057 skip on error_mark_node.
1058 (rs6000_darwin64_record_arg_recurse): Likewise.
1060 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1062 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1063 * doc/rtl.texi: Remove related documentation.
1065 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1067 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1070 2006-09-15 Jim Wilson <wilson@specifix.com>
1072 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1073 Handle symbol offsets same as they are handled in ia64_expand_move
1076 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1078 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1079 Add forgotten parameter to the fprintf call.
1081 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1083 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1085 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1087 * doc/contrib.texi: Add my entry.
1089 2006-09-15 Nick Clifton <nickc@redhat.com>
1091 * doc/md.texi (Processor pipeline description): Fix typo in
1092 example of how to use the absence_set directive and reword the
1093 description to make it slightly easier to read.
1095 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1097 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1098 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1099 expanding the number of iterations.
1100 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1102 * cfgrtl.c (emit_insn_at_entry): New function.
1103 * rtl.h (emit_insn_at_entry): Declare it.
1104 * integrate.c (emit_initial_value_sets): Use it.
1106 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1108 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1110 (struct loop_work and related VEC declarations): Delete.
1111 (bfin_dump_loops): Print out new member bad.
1112 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1113 (bfin_scan_loop): Don't recurse.
1114 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1115 loops. No longer need to update outer loops if the current one is
1116 found bad. Move some validitiy checks to bfin_discover_loop.
1117 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1118 but changed not to check for nesting. Also changed to use the new bad
1120 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1121 time. Use bitmap based test to discover loop nesting.
1123 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1125 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1128 2006-09-14 Richard Guenther <rguenther@suse.de>
1129 Kazu Hirata <kazu@codesourcery.com>
1131 PR middle-end/28884.
1132 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1133 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1134 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1135 with TARGET_FUNCTION_VALUE.
1137 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1140 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1142 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1144 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1147 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1150 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1153 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1155 * basic_block.h (bb_has_eh_pred): Fix comment.
1157 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1159 * flow.c (calculate_global_regs_live): Invalidate eh registers
1160 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1161 (propagate_block): Handle eh registers as if they were set at basic
1163 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1165 * global.c (global_conflicts): Make eh registers to conflict with
1166 pseudos live at basic block begin.
1167 * basic_block.h (bb_has_eh_pred): New function.
1169 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1171 PR rtl-optimization/28982
1172 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1173 index of a PRE_MODIFY or POST_MODIFY address.
1174 * reload1.c (inc_for_reload): Use find_replacement on the original
1175 base and index registers.
1177 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1179 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1180 for -Os. Update __m128 alignment requirement.
1182 2006-09-13 Jan Hubicka <jh@suse.cz>
1184 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1186 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1188 PR rtl-optimization/28243
1189 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1190 the insn to which the note was originally attached.
1192 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1193 Roger Sayle <roger@eyesopen.com>
1195 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1196 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1197 on platforms that don't use dwarf for debug info.
1199 2006-09-12 Jason Merrill <jason@redhat.com>
1202 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1203 hard_frame_pointer_rtx after using it to update the frame pointer.
1205 2006-09-12 Roger Sayle <roger@eyesopen.com>
1207 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1208 (TARGET_ASM_CLOSE_PAREN): Likewise.
1209 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1210 (TARGET_ASM_CLOSE_PAREN): Likewise.
1212 2006-09-12 Roger Sayle <roger@eyesopen.com>
1215 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1216 frame information for frames larger than 512 Kbytes on Tru64 when
1217 using the native assembler.
1219 2006-09-12 Roger Sayle <roger@eyesopen.com>
1223 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1224 and symbols. Instead use the implementation from cse.c's hash_rtx.
1226 2006-09-12 Jan Hubicka <jh@suse.cz>
1228 PR rtl-optimization/28071
1229 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1230 (vect_transform_loop): Likewise.
1231 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1232 (new_loop_vec_info): Likewise.
1233 (destroy_loop_vec_info): Likewise.
1234 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1235 (create_stmt_ann): Likewise.
1236 (create_tree_ann): Rename to ...
1237 (create_tree_common_ann): ... this one; allocate only the common part
1239 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1240 (get_value_handle): Likewise.
1241 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1242 get_tree_common_ann.
1243 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1244 (vinfo_for_stmt): Use stmt annotations.
1245 * tree-flow.h (tree_ann_common_t): New type.
1246 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1247 (tree_ann, get_tree_ann, create_tree_ann): New.
1248 * tree-flow-inline.h (get_function_ann): Do more type checking.
1249 (stmt_ann): Likewise.
1250 (tree_ann): Rename to ...
1251 (tree_common_ann): ... this one; return ony common_ann
1252 (get_tree_ann): Rename to ...
1253 (tree_common_ann): This one; return only common_ann.
1254 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1257 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1259 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1260 with_cpu by default.
1262 * dwarf2out.c (dwarf_file_data): New.
1263 (enum dw_val_class): Add dw_val_class_file.
1264 (struct dw_val_struct): Add val_file.
1265 (file_table): Change to a hash table.
1266 (file_table_emitted): Delete.
1267 (file_table_last_lookup_index): Delete.
1268 (emitcount): Delete.
1269 (last_emitted_file): New.
1270 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1271 (init_file_table): Delete.
1272 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1273 (AT_addr): Add comment.
1277 (print_die): Handle dw_val_class_file.
1278 (print_dwarf_line_table): Update for new file table structure.
1279 (attr_checksum): Do checksum a filename.
1280 (same_dw_val_p, same_attr_p): Do compare a filename.
1281 (size_of_die): Handle dw_val_class_file.
1282 (value_format): Likewise.
1283 (output_die): Likewise. Also, call maybe_emit_file here.
1284 (struct file_info): Constify filenames. Make file_idx a pointer
1285 to a struct dwarf_file_data.
1286 (struct dir_info): Constify directory names. Remove 'used' field.
1287 (struct file_name_acquire_data): New.
1288 (file_name_acquire): New.
1289 (output_file_names): Modify to handle new file data structures.
1290 (add_src_coords_attributes): Use add_AT_file.
1291 (add_call_src_coords_attributes): Likewise.
1292 (dwarf2out_imported_module_or_decl): Likewise.
1293 (gen_subprogram_die): Modify for new file data structures.
1294 (gen_variable_die): Likewise.
1295 (file_table_eq): New.
1296 (file_table_hash): New.
1297 (file_table_last_lookup): New.
1298 (lookup_filename): Rewrite to handle new file data structures.
1299 (maybe_emit_file): Rewrite to handle new file data structures.
1300 (dwarf2out_source_line): Always call lookup_filename and
1302 (dwarf2out_init): Create file_table here.
1303 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1304 (file_table_relative_p): New.
1305 (dwarf2out_finish): Change detection of relative filenames
1306 to work with new file data structures. Move output_line_info call
1307 after debug_info output.
1309 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1314 * config/i386/i386.c (override_options): Always default to 16
1315 byte stack boundary.
1317 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1320 * var-tracking.c (dump_dataflow_set): Start dumping at
1322 (clobber_variable_part): Kill only the variable part in
1323 registers holding it, leaving other variables alone.
1325 2006-09-11 Josh Triplett <josh@freedesktop.org>
1327 * doc/extend.texi (Other Builtins): Actually use the macro
1328 argument in the documentation example for
1329 __builtin_types_compatible_p.
1331 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1333 PR rtl-optimization/28726
1334 * sched-deps.c (sched_analyze_reg): New function extracted from...
1335 (sched_analyze_1): ...here. Call it to analyze references to
1336 registers. Treat again writes to a stack register as writing to the
1338 (sched_analyze_2): ...and here. Call it to analyze references to
1339 registers. Treat again reads of a stack register as reading the
1342 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1343 David Edelsohn <edelsohn@gnu.org>
1346 * config/rs6000/spe.md (frob_df_di): Remove %H.
1347 (frob_di_df): Remove %H. Change evmergelo to mr.
1348 (frob_di_df_2): Remove %H. Change evldd to two loads.
1350 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1352 * doc/cpp.texi: Fix names of charset options.
1354 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1357 * config/i386/i386.c (override_options): Use 128-bit
1358 stack boundary always for 64bits.
1360 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1362 PR rtl-optimization/28636
1363 * combine.c (force_to_mode): Test for side-effects before
1364 substituting by zero.
1365 (simplify_shift_const): Likewise for zero or other constants.
1367 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1370 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1373 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1376 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1377 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1378 returned by mode_for_size, rather than the mode of src itself,
1379 to choose between 32-bit and 64-bit patterns.
1380 (mips_mem_fits_mode_p): New function.
1381 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1382 that the size of the source matches the size of the destination.
1383 (mov_<store>l, mov_<store>r): Likewise.
1385 2006-09-10 Eric Christopher <echristo@apple.com>
1387 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1390 2006-09-09 Eric Christopher <echristo@apple.com>
1393 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1396 2006-09-09 Roger Sayle <roger@eyesopen.com>
1397 Nicolas Setton <setton@adacore.com>
1399 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1401 2006-09-10 Andreas Schwab <schwab@suse.de>
1403 * config/m68k/m68k.md (bungt_rev): New pattern.
1405 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1406 Dale Johannesen <dalej@apple.com>
1409 * regclass.c (struct reg_pref): Update documentation.
1410 (regclass): Set prefclass to NO_REGS if memory is the best option.
1411 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1413 2006-09-08 Eric Christopher <echristo@apple.com>
1415 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1416 * config/t-slibgcc-darwin: Support x86_64 multilib.
1417 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1418 Return 1 for x86_64-darwin.
1419 * config/i386/t-darwin: Add m64 multilib.
1420 (LIB2_SIDITI_CONV_FUNCS): Use.
1421 (LIB2FUNCS_EXTRA): Ditto.
1422 * config/i386/darwin.h: Support x86_64.
1423 * config/i386/i386.c (override_options): Turn on flag_pic
1424 for x86_64-darwin. Disable flag_omit_pointer.
1425 (get_pc_thunk_name): Assert !TARGET_64BIT.
1426 (legitimate_address_p): Disable machopic addressing for
1428 (legitimize_pic_address): Ditto.
1429 (ix86_expand_move): Ditto.
1430 (ix86_expand_call): Ditto.
1431 (machopic_output_stub): Ditto.
1432 * config/darwin.c (machopic_select_section): Support literal16.
1433 (machopic_select_rtx_section): Ditto.
1434 * config/darwin-sections.def: Ditto.
1435 * config/darwin-64.c: New.
1437 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1440 * c-tree.h (struct c_arg_info): Add pending_sizes.
1441 * c-parser.c (c_parser_parms_declarator,
1442 c_parser_parms_list_declarator): Initialize pending_sizes.
1443 * c-decl.c (get_parm_info): Initialize pending_sizes.
1444 (get_parm_info): Set pending_sizes.
1445 (grokdeclarator): Call put_pending_sizes for parameters for
1446 function definition only.
1448 2006-09-07 Jason Merrill <jason@redhat.com>
1451 * varasm.c (output_constant): Only strip actual no-op conversions.
1454 * config/i386/i386.c (override_options): Use 128-bit
1455 stack boundary if -msse.
1457 2006-09-07 Eric Christopher <echristo@apple.com>
1459 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1461 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1464 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1466 * dwarf2out.c: Remove strange characters from comment above
1467 dwarf2out_frame_debug_expr.
1469 2006-09-07 Eric Christopher <echristo@apple.com>
1471 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1472 * config/darwin.h: ... to here.
1474 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1476 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1478 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1479 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1481 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1482 TARGET_PARTIAL_FLAG_REG_STALL.
1483 (*ashldi3_cconly_rex64): Likewise.
1484 (*ashlsi3_cmp): Likewise.
1485 (*ashlsi3_cconly): Likewise.
1486 (*ashlsi3_cmp_zext): Likewise.
1487 (*ashlhi3_cmp): Likewise.
1488 (*ashlhi3_cconly): Likewise.
1489 (*ashlqi3_cmp): Likewise.
1490 (*ashlqi3_cconly): Likewise.
1491 (*ashrdi3_cmp_rex64): Likewise.
1492 (*ashrdi3_cconly_rex64): Likewise.
1493 (*ashrsi3_cmp): Likewise.
1494 (*ashrsi3_cconly): Likewise.
1495 (*ashrsi3_cmp_zext): Likewise.
1496 (*ashrhi3_cmp): Likewise.
1497 (*ashrhi3_cconly): Likewise.
1498 (*ashrqi3_cmp): Likewise.
1499 (*ashrqi3_cconly): Likewise.
1500 (*lshrdi3_cmp_rex64): Likewise.
1501 (*lshrdi3_cconly_rex64): Likewise.
1502 (*lshrsi3_cmp): Likewise.
1503 (*lshrsi3_cconly): Likewise.
1504 (*lshrsi3_cmp_zext): Likewise.
1505 (*lshrhi3_cmp): Likewise.
1506 (*lshrhi3_cconly): Likewise.
1507 (*lshrqi2_cmp): Likewise.
1508 (*lshrqi2_cconly): Likewise.
1510 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1513 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1514 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1515 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1516 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1517 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1518 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1519 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1520 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1521 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1522 implement only CC setting effects of shift instructions.
1524 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1526 * doc/contrib.texi: Add myself.
1528 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1531 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1532 was set by the user.
1534 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1537 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1538 (divsi_inv_m1): Use them.
1539 (UNSPEC_DIV_INV_TABLE): New constant.
1541 2006-09-06 James E Wilson <wilson@specifix.com>
1544 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1545 then call count_or_remove_death_notes.
1547 2006-09-06 Jason Merrill <jason@redhat.com>
1550 * tree-inline.c (copy_result_decl_to_var): New fn.
1551 (declare_return_variable): Use it. Call declare_inline_vars here.
1552 (expand_call_inline): Not here.
1554 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1556 * doc/contrib.texi: Update my entry.
1558 2006-09-06 Nick Clifton <nickc@redhat.com>
1560 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1562 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1565 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1566 (canonicalize_induction_variables): Likewise.
1567 (tree_unroll_loops_completely): Likewise.
1568 (tree_ssa_prefetch_arrays): Likewise.
1569 (remove_empty_loops): Likewise.
1570 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1571 TODO_cleanup_cfg instead of directly calling
1572 cleanup_tree_cfg_loop.
1573 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1575 (tree_unroll_loops_completely): Likewise.
1576 (remove_empty_loops): Likewise.
1577 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1578 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1579 of tree_ssa_unswitch_loops.
1580 (tree_ssa_loop_ivcanon): Use the return value of
1581 canonicalize_induction_variables.
1582 (tree_ssa_empty_loop): Use the return value of
1584 (tree_complete_unroll): Use the return value of
1585 tree_unroll_loops_completely.
1586 (tree_ssa_loop_prefetch): Use the return value of
1587 tree_ssa_prefetch_arrays.
1588 * passes.c (execute_todo): Before Cleanup CFG, set
1589 updating_used_alone and after cleanup CFG, call
1590 recalculate_used_alone.
1592 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1595 * tree-vect-transform.c (vectorizable_condition): Move the check
1596 for the type after the check for simple condition.
1598 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1599 Kaz Kojima <kkojima@gcc.gnu.org>
1602 * mode-switching.c (optimize_mode_switching): Make the destination
1603 block of an abnormal edge have no anticipatable mode. Don't
1604 insert mode switching code at the end of the source block of
1607 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1609 PR rtl-optimization/26847
1610 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1611 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1612 (simplify_plus_minus): Count n_constants while filling ops. Replace
1613 qsort with insertion sort. Before going through the array to simplify
1614 pairs, sort it. Delay early exit until after the first sort, exiting
1615 only if no swaps occurred. Simplify pairs in reversed order, without
1616 special-casing the first iteration. Pack ops after simplifying pairs.
1618 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1620 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1621 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1622 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1623 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1625 2006-09-05 Richard Guenther <rguenther@suse.de>
1627 PR tree-optimization/28900
1628 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1629 compound conditional before creating COND_EXPR condition.
1631 2006-09-05 Richard Guenther <rguenther@suse.de>
1633 PR tree-optimization/28905
1634 * tree-vrp.c (fix_equivalence_set): Manually implement
1635 !value_ranges_intersect_p to also handle symbolic ranges.
1637 2006-09-05 Richard Guenther <rguenther@suse.de>
1640 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1643 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1645 PR rtl-optimization/27616
1646 * cse.c (table_size): New static variable.
1647 (new_basic_block): Initialize it to 0.
1648 (remove_from_table): Decrement it.
1649 (insert): Increment it.
1650 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1651 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1652 fold_rtx_mem_1 if under the cap.
1653 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1654 the lookup of the equivalent expression and test for equality of the
1655 first operand of the equivalent expression before in turn looking up
1656 an equivalent constant for the second operand.
1658 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1661 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1662 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1663 pointer, instead of assuming it is possible to derive the
1664 correct args size from a call insn.
1666 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1669 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1670 (fold_builtin_mempcpy): Rename to...
1671 (fold_builtin_memory_op): ... this. Optimize one element copy
1673 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1675 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1676 (expand_builtin_memcpy, expand_builtin_mempcpy,
1677 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1678 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1679 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1680 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1682 2006-09-01 DJ Delorie <dj@redhat.com>
1684 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1685 (stzx_16): Likewise.
1686 ("stzx_24_<mode>"): Likewise.
1687 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1688 ("cmp<mode>_op"): New.
1689 (cmp<mode>): Change to expander; just save operands.
1691 (b<code>): Change to expander, emit compare here.
1692 (s<code>_op): Change to use split and expander.
1693 (s<code>_24_op): Likewise.
1694 (s<code>_<mode>): New.
1695 (s<code>_<mode>_24): New.
1696 (movqicc_<code>_<mode): New.
1697 (movhicc_<code>_<mode>): New.
1700 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1701 (m32c_pend_compare): New.
1702 (m32c_unpend_compare): New.
1703 (m32c_expand_scc): New.
1704 (m32c_expand_movcc): Emit the compare also.
1705 * config/m32c/predicates.md (mra_nopp_operand): New.
1707 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1708 Richard Guenther <rguenther@suse.de>
1709 Adam Nemet <anemet@caviumnetworks.com>
1712 * builtins.c (get_pointer_alignment): Handle more forms
1713 of base addresses that can be used to derive more precise
1714 information about alignment.
1716 2006-09-01 Jason Merrill <jason@redhat.com>
1719 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1722 * gimplify.c (voidify_wrapper_expr): Handle null type.
1724 2006-09-01 Josh Conner <jconner@apple.com>
1727 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1728 (execute_return_slot_opt): Use it.
1730 2006-08-31 Josh Conner <jconner@apple.com>
1733 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1734 returning aggregates.
1736 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1738 PR tree-optimization/28839
1739 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1740 blocks in that phi arguments appear.
1742 2006-08-31 Roger Sayle <roger@eyesopen.com>
1745 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1746 NULL, otherwise use an advance_loc4 to adjust relative to the
1748 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1749 (dwarf2out_switch_text_section): Reset the current label to avoid
1750 using advance_loc4 over section boundaries.
1752 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1755 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1756 r12 + SYMBOLIC_CONST.
1758 2006-08-30 Richard Guenther <rguenther@suse.de>
1760 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1762 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1764 PR rtl-optimization/27735
1765 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1766 Add new argument to keep track of whether an irreducible region
1767 was affected. All callers changed.
1768 (fix_irreducible_loops): Removed.
1769 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1770 flags were invalidated.
1772 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1774 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1775 instead of SF operands.
1776 (*fop_df_comm_sse): Likewise.
1777 (*fop_df_comm_i387): Likewise.
1778 (*fop_df_1_mixed): Likewise.
1779 (*fop_df_1_sse): Likewise.
1781 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1782 J"orn Rennecke <joern.rennecke@st.com>
1784 PR tree-optimization/17506
1785 * tree-ssa.c (warn_uninit): If warning about a location outside of
1786 the current function, note where the variable was declared.
1788 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1790 PR tree-optimization/28411
1791 * double-int.c (double_int_div): Use double_int_divmod.
1792 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1793 double_int_mod, double_int_smod, double_int_umod): New functions.
1794 * double-int.h (double_int_divmod, double_int_sdivmod,
1795 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1797 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1799 (get_computation_aff, get_computation_cost_at): Handle double_int
1800 return type of constant_multiple_of.
1802 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1805 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1806 an implicit conversion.
1808 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1810 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1812 2006-08-27 Roger Sayle <roger@eyesopen.com>
1814 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1817 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1819 * config/i386/crtfastmath.c: Fix a comment typo.
1821 2006-08-26 Roger Sayle <roger@eyesopen.com>
1823 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1824 temporary visit flags on CASE_LABEL_EXPRs.
1825 * c-common.c (match_case_to_enum): Add function comment. Avoid
1826 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1827 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1828 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1829 a constant, only warn if that constant value isn't handled.
1831 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1834 * input.h (restore_input_file_stack): Declare.
1835 (INPUT_FILE_STACK_BITS): Define.
1836 * toplev.c (fs_p, input_file_stack_history,
1837 input_file_stack_restored, restore_input_file_stack): New.
1838 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1839 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1840 (pop_srcloc): Don't free old state of stack.
1842 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1845 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1846 (PowerPC Type Attributes): New.
1848 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1850 * config/xtensa/xtensa.c (function_arg_boundary): New.
1851 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1853 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1854 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1856 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1859 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1862 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1864 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1865 (verify_local_live_at_start): Likewise.
1867 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1870 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1871 omp_add_variable): Treat sizes as variable whenever not
1874 2006-08-26 Richard Guenther <rguenther@suse.de>
1877 * fold-const.c (fold_binary): Fold temporary to correct
1878 type before constructing new comparison.
1880 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1883 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1884 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1886 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1889 * c-decl.c (start_function): Don't try to process prototype
1890 information from old declaration that isn't a function.
1892 2006-08-25 Jan Hubicka <jh@suse.cz>
1895 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1897 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1900 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1903 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1905 PR tree-optimization/16876
1906 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1907 exit if PARM doesn't match VALUE.
1909 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1911 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1912 literal_prefix directive.
1913 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1914 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1915 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1917 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1920 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1921 predicate to general_operand. Add 0->y and I->r alternatives.
1923 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1925 * doc/tm.texi: Fix a typo.
1926 * predict.c: Fix comment typos.
1928 2006-08-25 Nick Clifton <nickc@redhat.com>
1930 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1931 assertions of "cpu" and "machine".
1933 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1936 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1937 the access through a base which has an alias set of 0 cannot
1940 2006-08-24 Bill Wendling <wendling@apple.com>
1942 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1944 2006-08-24 Jan Hubicka <jh@suse.cz>
1946 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1948 2006-08-24 Jan Hubicka <jh@suse.cz>
1951 * cgraph.c: Fix comments.
1952 (cgraph_varpool_mark_needed_node): Mark only variables not already
1954 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1955 (cgraph_varpool_assembled_nodes_queue): New static variable.
1956 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1957 (cgraph_varpool_output_debug_info): New function.
1958 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1959 * Makefile.in: Add gt-cgraphunit.h
1961 2006-08-24 Jan Hubicka <jh@suse.cz>
1963 * predict.c (probability_reliable_p): New predicate.
1964 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1965 (predict_loops): Do not predict loop exit with less than 2%
1967 * basic-block.h (edge_probability_reliable_p,
1968 br_prob_note_reliable_p): Declare.
1969 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1970 prediction when static predictor is not reliable.
1971 * rs6000.c (output_cbranch): Likewise.
1973 2006-08-23 Stuart Hastings <stuart@apple.com>
1976 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1977 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1979 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1982 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1983 complex values, nor for generic vector values.
1985 2006-08-22 Richard Guenther <rguenther@suse.de>
1988 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1989 parameter. Convert arguments to arithmetic expression to the
1991 (analyze_scalar_evolution_1): Adjust caller.
1993 2006-08-22 Jan Hubicka <jh@suse.cz>
1995 Patch by Paolo Bonzini
1996 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1999 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2001 PR tree-optimization/28003
2002 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2003 before grouping aliases.
2005 2006-08-22 Roger Sayle <roger@eyesopen.com>
2007 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2008 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2010 2006-08-21 Jason Merrill <jason@redhat.com>
2013 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2014 wrapper. Loop to handle nested wrappers.
2015 (gimplify_bind_expr): Remove temp parameter.
2016 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2017 and STATEMENT_LIST on the rhs.
2018 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2019 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2020 (gimplify_target_expr): Remove special BIND_EXPR handling.
2022 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2024 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2027 2006-08-21 Olivier Hainque <hainque@adacore.com>
2029 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2030 Arrange for the temporary captures of components overlapping the lhs
2031 to happen before the lhs is possibly cleared.
2033 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2035 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2036 necessary places to pass the correct "number of registers" values
2039 2006-08-20 Jan Hubicka <jh@suse.cz>
2041 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2042 (create_name_tags): Instead of quadratic checking use hashtable.
2043 * bitmap.h: Include hashtab.h.
2044 (bitmap_hash): Declare.
2045 * bitmap.c (bitmap_hash): New function.
2047 2006-08-20 Jan Hubicka <jh@suse.cz>
2049 PR rtl-optimization/28071
2050 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2052 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2053 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2054 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2055 cgraph_decide_inlining_incrementally): Update use of
2056 cgraph_check_inline_limits.
2057 * cgraph.c (edge_hash, edge_eq): New function.
2058 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2059 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2060 cgraph_remove_node): Maintain call site hash.
2061 * cgraph.h (struct cgraph_node): Add call_site_hash.
2062 (cgraph_set_call_stmt): New function.
2064 2006-08-20 Jan Hubicka <jh@suse.cz>
2066 PR rtl-optimization/28071
2067 * reload1.c (reg_has_output_reload): Turn into regset.
2068 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2069 choose_reload_regs, emit_reload_insns): Update to new
2070 reg_has_output_reload.
2072 2006-08-20 Jan Hubicka <jh@suse.cz>
2075 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2076 function body sizes.
2077 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2079 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2082 * tree.c (handle_dll_attribute): Return early if not a
2083 var or function decl.
2085 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2088 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2089 alignment of SPE vector types.
2091 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2093 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2095 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2098 * cgraph.h (struct cgraph_node): Remove externally_visible
2100 * cgraphunit.c (process_function_and_variable_attributes): Set
2101 local.externally_visible rather than externally_visible.
2104 * c-common.c (handle_externally_visible_attribute): First look
2105 at TREE_CODE and only if it is function or var decl, check for
2106 non-public objects. Don't warn for DECL_EXTERNAL.
2107 * cgraphunit.c (process_function_and_variable_attributes): Warn
2108 if externally_visible attribute is used on non-public object.
2110 2006-08-17 Jan Hubicka <jh@suse.cz>
2112 PR tree-optimization/27865
2113 * reload1.c (forget_marked_reloads): New function.
2114 (forget_old_reloads_1): When data are passed, just mark the registers
2116 (reload_as_needed): Use the new mechanizm.
2118 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2121 * reload.h (reg_equiv_alt_mem_list): New declaration.
2122 * reload1.c (reg_equiv_alt_mem_list): New definition.
2123 (reload): Initialize it and release it.
2124 (delete_output_reload): Use it.
2125 * reload.c (push_reg_equiv_alt_mem): New function.
2126 (find_reloads_toplev): Call it.
2127 (find_reloads_address, find_reloads_address_1): Likewise.
2128 (find_reloads_subreg_address): Likewise.
2130 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2132 PR rtl-optimization/28489
2133 * sched-ebb.c (begin_schedule_ready): Create basic block
2135 (advance_target_bb): Skip empty blocks.
2136 * haifa-sched.c (bb_note): Make global.
2137 * sched-int.h (bb_note): Add prototype.
2139 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2141 PR tree-optimization/27865
2142 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2144 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2145 fold_used_pointer, pointer_used_p): New functions.
2146 (analyze_scalar_evolution_1): Use fold_used_pointer.
2147 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2148 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2151 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2154 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2155 or the INTEGER_CST. Fail on a CALL_EXPR.
2156 (fold_offsetof): Pass new argument to fold_offsetof_1.
2157 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2158 operand into an INDIRECT_REF.
2159 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2161 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2163 PR gcov/profile/26570
2164 * value-prof.c (static_values): Removed.
2165 (tree_find_values_to_profile): Do not set static_values.
2166 (find_values_to_profile): Do not free static_values.
2167 * profile.c (instrument_values): Do not free the values.
2168 (branch_prob): Free the values.
2170 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2172 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2174 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2177 * c-typeck.c (build_component_ref): Combine qualifiers of
2178 structure or union and field.
2180 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2182 PR rtl-optimization/28071
2183 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2184 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2185 * tree-into-ssa.c (struct dom_dfsnum): New.
2186 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2188 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2189 compute_global_livein.
2190 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2191 in phi nodes in the correct blocks.
2193 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2195 PR tree-optimization/28364
2196 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2198 (fold_affine_expr): New function.
2199 (may_eliminate_iv): Use fold_affine_expr.
2201 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2204 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2207 2006-08-16 Mike Stump <mrs@apple.com>
2209 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2210 * doc/cppopts.texi (-MD): Likewise.
2212 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2215 * c-common.c (handle_weak_attribute): Ignore and warn if
2216 not a FUNCTION_ or VAR_DECL.
2218 2006-07-15 Mike Stump <mrs@apple.com>
2221 * c-parser.c (c_parser_typeof_specifier): Don't use
2222 c_finish_expr_stmt, open code desired semantics instead.
2224 2006-08-15 Nick Clifton <nickc@redhat.com>
2226 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2227 fragment to tmake_file only if threads are enabled.
2228 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2229 * config/i386/t-gthr-win32: New file. ... here.
2231 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2234 * c-parser.c (c_parser_compound_statement_nostart): Reset
2235 parser->error after each statement.
2237 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2240 * omp-low.c (lower_omp_parallel): Convert t to
2241 receiver_decl's type.
2242 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2243 source before comparison.
2246 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2247 to itype in assignment to oldival2.
2249 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2253 * c-typeck.c (build_compound_expr): If the second expression
2254 is an error mark, then just return an error mark instead of
2255 creating a COMPOUND_EXPR.
2257 2006-07-14 Mike Stump <mrs@apple.com>
2259 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2261 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2263 * c-decl.c, var-tracking.c: Fix comment typos.
2265 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2267 PR rtl-optimization/28634
2268 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2269 for floating-point modes unless flag_unsafe_math_optimizations.
2271 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2272 Andrew Pinski <pinskia@physics.uc.edu>
2275 * tree.c (build_array_type): Unify array types with
2276 unspecified index_type.
2277 * c-decl.c (grokdeclarator): Make sure we do not modify a
2278 unified incomplete array type.
2279 * c-typeck.c (store_init_value): Create distinct type before
2280 filling in the index type in an initializer from a compound
2283 * c-decl.c (grokdeclarator): Remove code where we copy the
2286 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2288 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2289 into account for TODO_dump_cgraph.
2290 (TODO_update_ssa_no_phi): Likewise.
2291 (TODO_update_ssa_full_phi): Likewise.
2292 (TODO_update_ssa_only_virtuals): Likewise.
2293 (TODO_remove_unused_locals): Likewise.
2294 (TODO_set_props): Likewise.
2295 (TODO_update_stmt_usage): Likewise.
2297 2006-08-13 Dirk Mueller <dmueller@suse.de>
2299 * c-common.c (strict_aliasing_warning): Fix formatting.
2301 2006-08-13 Matthias Klose <doko@debian.org>
2303 * doc/invoke.texi: Fix spelling errors.
2305 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2307 PR rtl-optimization/23454
2308 * reorg.c (relax_delay_slots): Update comment.
2310 2006-08-11 Richard Guenther <rguenther@suse.de>
2313 * simplify-rtx.c (simplify_const_relational_operation):
2314 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2317 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2319 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2320 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2322 2006-08-10 Paul Brook <paul@codesourcery.com>
2324 * final.c (final_scan_insn): Clear current_insn_predicate before
2325 outputting inline asm.
2327 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2329 PR tree-optimization/26197
2330 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2331 get_ref_base_and_extent and overlap_subvar to add only relevant
2332 subvars as may-aliases.
2333 (add_may_alias_for_new_tag): New function, factored out of
2335 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2336 with additional argument.
2337 * tree-flow.h (new_type_alias): Takes additional argument.
2339 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2341 * gcov.c (no_data_file): New flag.
2342 (read_count_file): Set it if data file not present. Assume counts
2344 (output_lines): Don't name the data file, if there wasn't one.
2346 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2348 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2349 (rs6000_generate_compare): Tweak comments.
2350 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2352 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2354 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2355 (var_debug_decl): New function.
2356 (var_reg_set): Follow debug decl link. Add location even if
2357 reg is already known to hold some other variable.
2358 (var_mem_set): Follow debug decl link.
2359 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2360 decl link. Delete other known locations of the variable part
2362 (var_reg_delete, var_mem_delete): Delete other known locations
2363 of the variable part if requested.
2364 (same_variable_part_p): New function.
2365 (add_stores): Select MO_COPY when appropriate.
2366 (vt_initialize): Handle it.
2367 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2368 known locations for MO_SET and MO_CLOBBER.
2369 (find_variable_location_part): New function.
2370 (set_variable_part, delete_variable_part): Use it.
2371 (clobber_variable_part): New function.
2372 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2375 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2377 PR tree-optimization/26969
2378 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2379 with an empty list of PHIs.
2381 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2385 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2388 2006-08-06 Andreas Schwab <schwab@suse.de>
2390 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2391 string. Whitespace and comment fixup.
2393 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2396 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2400 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2403 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2405 2006-08-04 Jan Hubicka <jh@suse.cz>
2409 * reload.c (push_reload): Patch out the mismatching instruction;
2411 (find_reload): Bail out if the instruction was patched out.
2413 2006-08-04 Jan Hubicka <jh@suse.cz>
2415 PR tree-optimization/24888
2416 * tree-inline.c (expand_call_inline): Do not re-record variables.
2417 (declare_inline_vars): Add variable to unexpanded_var_list.
2419 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2420 Roger Sayle <roger@eyesopen.com>
2422 PR rtl-optimization/26244
2423 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2424 inner_const are negative or greater than or equal to the bitsize of
2425 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2426 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2427 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2428 CONST0_RTX (mode) when the new shift count is greater than or equal to
2429 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2432 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2434 * tree-cfg.c: Fix a comment typo.
2436 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2439 * varasm.c (output_constant): Give the front end another chance to
2440 expand constants, after stripping NOPs.
2442 2006-08-03 Jan Hubicka <jh@suse.cz>
2444 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2447 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2449 PR tree-optimization/27770
2450 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2451 declaration removed (moved to tree-flow.h).
2452 (vect_can_force_dr_alignment_p): Likewise.
2453 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2454 (moved from tree-vectorizer.h).
2455 (vect_can_force_dr_alignment_p): Likewise.
2456 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2457 from outside the vectorizer - in particular from cgraph stage.
2458 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2459 the alignment of global arrays when -fsection-anchors is enabled.
2460 * cgraphunit.c (cgraph_increase_alignment): New function.
2461 (cgraph_optimize): Call cgraph_increase_alignment.
2463 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2466 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2467 not reload a SPE symbol_ref into a lo_sum address.
2469 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2472 * dwarf2out.c (prune_unused_types_prune): Move call to
2473 prune_unused_types_update_strings to cover the parent DIE also.
2475 2006-08-02 Jan Hubicka <jh@suse.cz>
2477 PR gcov/profile/28480
2478 * tree-cfg.c (change_bb_for_stmt): New function.
2479 (tree_merge_blocks, tree_split_blocks): Use it.
2481 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2487 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2488 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2489 (cgraph_optimize): Likewise.
2491 2006-08-01 Stuart Hastings <stuart@apple.com>
2493 * rtl.h (UINTVAL) New.
2494 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2495 * testsuite/gcc.dg/20060801-1.c: New.
2497 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2500 * c-typeck.c (build_external_type): Mark used enum types.
2501 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2503 (gen_subprogram_die): Whitespace fix.
2505 2006-08-01 Jan Hubicka <jh@suse.cz>
2507 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2508 bitmap when not needed.
2509 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2512 2006-08-01 Dirk Mueller <dmueller@suse.de>
2514 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2516 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2518 * Makefile.in: Revert part of previous patch:
2519 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2522 2006-07-30 Eric Christopher <echristo@apple.com>
2525 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2526 (PowerPC Variable Attributes): New section.
2528 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2530 PR target/28126 (partial fix)
2531 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2533 2006-07-28 Jan Hubicka <jh@suse.cz>
2535 PR rtl-optimization/28071
2536 * cfgrtl.c (rtl_delete_block): Free regsets.
2537 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2539 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2541 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2542 and variables used in dependencies.
2544 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2546 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2547 %fs for -mcmodel=kernel.
2548 (stack_tls_protect_test_di): Likewise.
2550 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2552 * Makefile.in: Use mkinstalldirs.
2554 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2557 * opts-common.c (prune_options): Skip joined switches.
2559 2006-07-27 Jan Hubicka <jh@suse.cz>
2561 PR rtl-optimization/28071
2562 * cselib.c (cselib_process_insn): Don't remove useless values too
2563 often for very large hashtables.
2565 2006-07-27 Jan Hubicka <jh@suse.cz>
2567 PR rtl-optimization/28071
2568 * global.c (greg_obstack): New obstack.
2569 (allocate_bb_info): Use it.
2570 (free_bb_info): Likewise.
2571 (modify_reg_pav): Likewise.
2573 2006-07-27 Roger Sayle <roger@eyesopen.com>
2575 * builtins.c (fold_fixed_mathfn): When long and long long are the
2576 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2577 functions to their lceil*, lfloor*, lround* and lrint* forms.
2579 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2582 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2584 (rev_branch_insn): Likewise.
2586 2006-07-27 Jan Hubicka <jh@suse.cz>
2588 PR rtl-optimization/28071
2589 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2590 (reg_set_in_bb, max_reg_computed): New static variables.
2591 (regmove_optimize): Free the new array.
2592 (fixup_match_1): Update call of reg_is_remote_constant_p.
2594 2006-07-26 Jan Hubicka <jh@suse.cz>
2596 PR tree-optimization/27882
2597 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2599 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2601 (cgraph_analyze_compilation_unit): Likewise.
2602 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2603 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2604 (cgraph_early_inlinine): Make order garbage collected.
2605 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2607 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2609 * dbxout.c (output_types_sort): Add a comment.
2610 (output_used_types): Free the VEC.
2612 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2614 * function.c (reorder_fix_fragments): Delete.
2615 (reorder_blocks): Don't call it.
2616 (reorder_blocks_1): Put all subblocks under the origin block.
2618 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2620 PR rtl-optimization/27907
2621 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2624 2006-07-25 Roger Sayle <roger@eyesopen.com>
2627 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2628 bar(x) check that bar's result type can represent all the values of T.
2630 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2632 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2634 2006-07-25 Nick Clifton <nickc@redhat.com>
2636 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2637 size_lookup[] array.
2638 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2639 (ggc_pch_count_object): Likewise.
2640 (ggc_pch_alloc_object): Likewise.
2641 (ggc_pch_write_object): Likewise.
2642 (init_ggc): Do not attempt to initialize entries in the
2643 size_lookup[] array for objects whose size is greater than than
2644 the length of the array.
2646 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2648 * dbxout.c (output_used_types_helper): Push queued types
2650 (output_types_sort): New.
2651 (output_used_types): Collect used types on a VEC and sort them
2654 2006-07-24 Richard Guenther <rguenther@suse.de>
2657 * cgraph.c (cgraph_remove_node): Do not check if dumps
2659 * cgraphunit.c (cgraph_optimize): Likewise.
2661 2006-07-24 Jan Hubicka <jh@suse.cz>
2663 PR rtl-optimization/28071
2664 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2665 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2666 splitting before first stmt.
2668 2006-07-24 Jan Hubicka <jh@suse.cz>
2670 PR rtl-optimization/28071
2671 * ipa-inline.c (update_caller_keys): Remove edges that
2672 are no longer inline candidates.
2674 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2677 * dbxout.c (output_used_types_helper, output_used_types): New.
2678 (dbxout_symbol): Call output_used_types.
2680 2006-07-23 Jan Hubicka <jh@suse.cz>
2684 * cgraph.c (cgraph_varpool_nodes): Export.
2685 (decide_is_variable_needed): Ignored "used" attribute in
2686 unit-at-a-time mode.
2687 * cgraph.h (cgraph_varpool_nodes): Declare.
2688 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2689 unit-at-a-time mode.
2691 2006-07-23 Roger Sayle <roger@eyesopen.com>
2694 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2695 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2696 the __gthrw form of thr_keycreate.
2697 (__gthread_key_delete): Silence the unused argument warning.
2699 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2702 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2703 Cache the last found '\0' marker to avoid quadratic behavior.
2705 2006-07-23 Jan Hubicka <jh@suse.cz>
2707 * i386.md (subsi_3_zext): Fix output template.
2709 2006-07-21 Mike Stump <mrs@apple.com>
2711 * doc/invoke.texi (C++ Dialect Options): Note that
2712 -fvisibility-inlines-hidden doesn't affect explicitly
2713 instantiationed inline methods.
2715 2006-07-20 Roger Sayle <roger@eyesopen.com>
2717 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2718 if the target assembler is GNU binutils' gas.
2719 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2720 whether to pass GNU gas or native as command line options.
2722 2006-07-20 Jason Merrill <jason@redhat.com>
2724 * tree.c (remove_attribute): New fn.
2725 * tree.h: Declare it.
2727 2006-07-20 Paul Brook <paul@codesourcery.com>
2730 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2731 they are invalidated by this instruction.
2733 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2736 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2738 2006-07-20 Eric Christopher <echristo@apple.com>
2741 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2743 2006-07-19 Eric Christopher <echristo@apple.com>
2745 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2746 Rewrite dependencies for libgcc_s.1.dylib.
2748 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2750 * except.c (duplicate_eh_regions_1): Clear next_peer.
2752 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2754 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2755 -mlongcall does not guarantee all calls will be long.
2756 * doc/extend.texi (long_call/short_call): Document that longcall
2757 does not guarantee a long call will be used.
2758 (longcall/shortcall): Likewise.
2760 2006-07-18 Roger Sayle <roger@eyesopen.com>
2763 * expmed.c (expand_shift): Additionally check that the shift_cost
2764 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2765 before implementing a LSHIFT_EXPR as a sequence of additions.
2766 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2767 middle-end that DImode shifts need to be synthesized by expand.
2769 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2772 * tree-ssa-operands.c (access_can_touch_variable): Update
2774 Return true if ALIAS is .GLOBAL_VAR.
2776 2006-07-18 David Daney <ddaney@avtrex.com>
2778 * gcc.c (display_help): Fix typo in help text.
2780 2006-07-18 Olivier Hainque <hainque@adacore.com>
2782 * tree.h (categorize_ctor_elements): Adjust prototype and add
2783 descriptive comment, both in accordance with the interface change
2785 * varasm.c (constructor_static_from_elts_p): New function.
2786 Whether a constructor node is a valid static constant initializer
2787 if all its elements are.
2788 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2789 * output.h: Declare it.
2790 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2791 is a valid constant initializer instead of computing the number of
2792 non-constant elements. Use constructor_static_from_elts_p for this
2793 purpose. Replace the head comment with an indication that this is a
2794 helper for categorize_ctor_elements.
2795 (categorize_ctor_elements): Same interface change as for the _1
2796 helper. Former head comment from this helper moved here, adjusted to
2797 account for the interface changes.
2798 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2799 (all_zeros_p): Likewise.
2800 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2801 static versions of the constructor from the categorize_ctor_elements
2802 return value instead of the formerly computed number of non-constant
2805 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2807 * configure: Regenerate.
2808 * Makefile.in (build_libsubdir): New configure substitution
2809 (build_libobjdir): New variable.
2810 (BUILD_LIBIBERTY): Use it.
2812 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2815 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2817 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2820 * c-common.c (handle_weakref_attribute): Ignore attribute in
2821 the same conditions the alias attribute is ignored.
2823 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2825 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2826 (dbxout_begin_prologue): Increment scope_labelno.
2828 2006-07-17 Richard Henderson <rth@redhat.com>
2831 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2834 2006-07-17 Roger Sayle <roger@eyesopen.com>
2835 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2837 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2838 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2839 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2840 functions such as sbrk, write, etc.. Add function prototypes.
2841 Convert function declarations from K&R to ISO C. Cast pointers
2842 to "long" and "unsigned long" instead of "int" and "unsigned int".
2843 Convert tokens following #endif into comments.
2845 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2847 * invoke.texi: Remove mention of f77; Reformat table for
2848 inline parameter options correctly; mention that -malign-double
2849 is default on x86-64 targets.
2851 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2853 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2854 (convert_affine_scev, chrec_convert_aggressive): Use
2855 avoid_arithmetics_in_type_p. Do not check for the subtypes
2858 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2861 * optabs.c (expand_doubleword_shift): Wrap the call to
2862 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2864 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2867 * optabs.c (expand_binop): Pass next_methods rather than methods
2868 to expand_doubleword_shift.
2870 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2873 * tree.h (dump_addr): Declare.
2874 * print-tree.c (dump_addr): New function.
2875 (print_node_brief, print_node): Use it.
2876 * print-rtl.c (print_rtx): Likewise.
2877 * common.opt (-fdump-noaddr): New option.
2878 * doc/invoke.texi (-fdump-noaddr): Document.
2879 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2880 (ve_info_hash): Likewise.
2882 2006-07-13 Andrew Haley <aph@redhat.com>
2884 PR tree-optimization/19505
2885 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2886 edge leaving this block, make sure that the destination of this
2887 block has only one predecessor.
2889 2006-07-17 Richard Guenther <rguenther@suse.de>
2891 PR tree-optimization/28238
2892 * tree-inline.c (copy_bb): Check if we produced valid
2893 gimple copying and substituting a stmt. If not, gimplify
2896 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2898 * optabs.c (maybe_encapsulate_block): New function extracted from...
2899 (emit_libcall_block): ...here. Invoke it on the block of insns to
2900 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2901 (emit_no_conflict_block): Likewise.
2903 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2905 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2907 2006-07-15 Roger Sayle <roger@eyesopen.com>
2909 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2910 a new NOP_EXPR case of the switch statement.
2912 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2915 * stor-layout.c (place_field): Take the bit field with
2916 an excessive size into account in the ms-bitfiled case.
2919 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2920 the previous bit field.
2922 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2925 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2927 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2929 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2930 signal frames correctly even when the signal was installed with
2933 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2935 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2936 (dbxout_function_end): Use local label LFBB. Remove hook
2938 (dbxout_source_line): Use local label LFBB.
2939 (dbxout_block): Likewise.
2940 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2941 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2942 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2943 and DBX_OUTPUT_NFUN.
2945 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2947 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2949 2006-07-13 Jan Hubicka <jh@suse.cz>
2951 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2953 * output.h (align_variable): Declare.
2954 * varasm.c (align_variable): Export.
2955 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2956 when basic block changed.
2958 2006-07-13 Nick Clifton <nickc@redhat.com>
2960 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2961 walking the LOG_LINKS chain.
2963 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2965 * doc/invoke.texi (C++ Dialect Options): Explain difference
2966 between -fvisibility-inlines-hidden and setting hidden
2967 visibility explicitly.
2969 2006-07-12 Eric Christopher <echristo@apple.com>
2971 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2972 (stmp-lipo): Depend on libgcc.a.
2974 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2976 * tree.c: Fix a comment typo.
2978 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2980 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2982 (umulhisi3_r): Likewise.
2984 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2987 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2988 x < 19, vs wchar_t support.
2990 2006-07-12 Nick Clifton <nickc@redhat.com>
2992 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2993 instead of -isa=sh4.
2995 2006-07-12 Mike Stump <mrs@apple.com>
2997 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2999 2006-07-10 Eric Christopher <echristo@apple.com>
3001 * config/t-slibgcc-darwin: Rewrite.
3003 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3006 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3009 2006-07-08 Matthias Klose <doko@debian.org>
3011 * doc/sourcebuild.texi: Fix typo.
3013 2006-07-07 Mike Stump <mrs@apple.com>
3015 * toplev.c (process_options): Don't give -ffunction-sections may
3016 affect debugging warning for Mach-O.
3018 2006-07-07 James E Wilson <wilson@specifix.com>
3020 * config/mips/mips.md (cpu): Add sb1a.
3021 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3022 addition to sb1. Adjust comments to clarify SB-1A differences from
3024 (ir_sb1a_load): New. Modify bypasses to use it.
3025 (ir_sb1a_simple_alu): Likewise.
3026 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3027 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3028 (mips_issue_rate): Add PROCESSOR_SB1A.
3029 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3030 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3031 (TARGET_SB1): Add PROCESSOR_SB1A check.
3032 (TUNE_SB1): Likewise.
3034 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3035 * config/mips/mips.c (mips_store_data_bypass_p): New.
3036 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3037 store_data_bypass_p.
3039 2006-07-08 Paul Brook <paul@codesourcery.com>
3042 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3044 2006-07-07 Richard Guenther <rguenther@suse.de>
3047 * tree.h (build_one_cst): Declare.
3048 * tree.c (build_one_cst): New function.
3049 * tree-ssa-math-opts.c (get_constant_one): Remove.
3050 (insert_reciprocals): Use build_one_cst.
3051 * fold-const.c (fold_plusminus_mult): Likewise.
3053 2006-07-07 Roger Sayle <roger@eyesopen.com>
3055 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3056 * cfgloopanal.c (dump_graph): Likewise.
3057 * dojump.c (discard_pending_stack_adjust): Likewise.
3058 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3060 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3061 * function.c (finalize_block_changes): Likewise.
3062 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3063 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3064 * rtl.c (dump_rtx_statistics): Likewise.
3065 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3067 * varray.c (dump_varray_statistics): Likewise.
3068 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3069 decode_decimal64, encode_decimal128, decode_decimal128,
3070 decimal_real_to_decimal): Likewise.
3072 2006-07-07 Richard Guenther <rguenther@suse.de>
3074 PR tree-optimization/28187
3075 * tree-vrp.c (vrp_operand_equal_p): New function.
3076 (vrp_bitmap_equal_p): Likewise.
3077 (update_value_range): Use them to compare old and new
3080 2006-07-06 Roger Sayle <roger@eyesopen.com>
3082 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3083 a default case to switch statement to silence compiler warnings.
3085 2006-07-06 Roger Sayle <roger@eyesopen.com>
3088 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3089 the configured assembler supports the x87's ffreep mnemonic.
3090 * configure: Regenerate.
3091 * config.in: Regenerate.
3093 * config/i386/i386.c (output_387_ffreep): New function.
3094 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3095 (output_387_reg_move): Likewise.
3097 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3099 Port to hosts whose 'sort' and 'tail' implementations
3100 treat operands with leading '+' as file names, as POSIX
3101 has required since 2001. However, make sure the code still
3102 works on pre-POSIX hosts.
3103 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3104 which says you should use "tail -c +N" rather than "tail +Nc".
3105 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3107 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3109 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3112 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3115 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3116 PRE_{INC,DEC} of TFmode.
3118 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3119 Alan Modra <amodra@bigpond.net.au>
3122 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3125 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3128 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3129 Remove duplicate gtu.
3131 2006-07-05 Jason Merrill <jason@redhat.com>
3135 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3136 * c-common.c (handle_packed_attribute): So don't copy it here.
3137 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3139 2006-07-05 Mike Stump <mrs@apple.com>
3141 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3143 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3146 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3148 2006-07-05 Richard Guenther <rguenther@suse.de>
3151 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3152 TARGET_SSE2 targets if using SSE math.
3153 (*absdf2_1): Likewise.
3155 2006-07-05 Richard Guenther <rguenther@suse.de>
3157 PR tree-optimization/28162
3158 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3159 make sure to convert the operands to the correct type.
3161 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3163 PR tree-optimization/28218
3165 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3166 to calculate and free the dominator information.
3168 2006-07-04 Peter O'Gorman <peter@pogma.com>
3170 * mklibgcc.in: chmod 644 before ranlib during install.
3172 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3173 J"orn Rennecke <joern.rennecke@st.com>
3175 * configure.ac (.eh_frame data check): Use diff -b.
3177 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3180 * Makefile.in (BUILD_RTL): Add build/vec.o.
3181 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3182 (build/genextract): Delete.
3183 (build/genautomata): Likewise.
3185 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3188 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3189 128-bit IBM long doubles for ABI_V4.
3191 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3193 * tree.c (range_in_array_bounds_p): New predicate.
3194 * tree.h (range_in_array_bounds_p): Declare it.
3195 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3196 return a less conservative answer.
3197 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3198 and flag 'is_group'.
3199 (IS_ELEMENT_FOR_GROUP): New macro.
3200 (FOR_EACH_ACTUAL_CHILD): Likewise.
3201 (next_child_for_group): New helper function.
3202 (can_completely_scalarize_p): Take into account groups.
3203 (sra_hash_tree): Handle RANGE_EXPR.
3204 (sra_elt_eq): Likewise.
3205 (lookup_element): Be prepared for handling groups.
3206 (is_valid_const_index): Delete.
3207 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3208 instead of is_valid_const_index.
3209 <ARRAY_RANGE_REF>: New case.
3210 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3211 is_valid_const_index.
3212 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3213 (scan_dump): Dump info for groups too.
3214 (decide_instantiation_1): Likewise.
3215 (decide_block_copy): Assert that the element is not a group.
3216 Propagate decision to groups.
3217 (generate_one_element_ref): Handle RANGE_EXPR.
3218 (mark_no_warning): Iterate over actual childs.
3219 (generate_copy_inout): Likewise.
3220 (generate_element_copy): Likewise.
3221 (generate_element_zero): Likewise.
3222 (generate_element_init_1): Likewise.
3223 (dump_sra_elt_name): Handle RANGE_EXPR.
3225 2006-07-03 Roger Sayle <roger@eyesopen.com>
3227 PR tree-optimization/26251
3228 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3229 (thread_block): When optimizing for size refuse to thread jumps
3230 that would require duplication of blocks other than redirection
3233 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3235 * configure.ac: Fix thinko in previous check-in.
3236 * configure: Regenerate.
3238 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3241 * configure.ac (for lang...): Simplify nesting of conditionals.
3242 Test subdir_requires for non-enabled languages. Move processing
3243 of lang_opt_files and lang_tree_fiels below that test.
3244 * configure: Regenerate.
3245 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3247 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3249 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3251 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3253 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3256 2006-06-29 Jason Merrill <jason@redhat.com>
3263 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3264 * c-common.c (c_determine_visibility): Handle it here.
3265 * c-decl.c (finish_decl): Call c_determine_visibility for
3267 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3269 * varasm.c (default_assemble_visibility): Likewise.
3270 * c-common.c (handle_visibility_attribute): Complain about trying
3271 to give visibility to an already defined class, or trying to change
3272 declared visibility. Always attach the attribute.
3277 * attribs.c (decl_attributes): Ignore type-in-place attributes
3278 once the type has been defined.
3280 2006-06-29 Roger Sayle <roger@eyesopen.com>
3283 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3284 to indicate the cpplib has issued an error message for us.
3286 2006-06-29 Asher Langton <langton2@llnl.gov>
3289 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3290 insert a label at the end of an function under Mach-O.
3292 2006-06-29 Eric Christopher <echristo@apple.com>
3293 Evan Cheng <evan.cheng@apple.com>
3295 * predicates.md (vector_all_ones_operand): New.
3296 (nonimmediate_or_sse_const_operand): Ditto.
3297 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3298 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3299 (standard_sse_mode_p): Ditto.
3300 (standard_sse_constant_p): Add case for -1 vector.
3301 (ix86_expand_vector_move): Try to use.
3302 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3303 Call standard_sse_constant_opcode.
3304 (*movv4sf_internal): Ditto.
3305 (*movv2df_internal): Ditto.
3307 2006-06-29 Roger Sayle <roger@eyesopen.com>
3309 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3310 of XEXP to extract the operands of a MATCH_CODE rtx.
3312 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3314 * tree.c (tree_size): Do not waste tail padding in
3315 struct tree_string and make the size be the same as
3316 build_string will generate.
3318 2006-06-28 Jason Merrill <jason@redhat.com>
3321 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3322 may_aliases already in the tag's annotations to the bitmap.
3324 2006-06-28 Roger Sayle <roger@eyesopen.com>
3326 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3328 2006-06-28 Roger Sayle <roger@eyesopen.com>
3330 * genpreds.c (generate_switch_p): New function.
3331 (add_mode_tests): Push the new mode test down inside an AND expr
3332 if this allows the switch-suitable MATCH_CODE to be near the root.
3333 (write_match_code_switch): New function to write a MATCH_CODE as
3335 (write_predicate_stmts): New function to write a predicate RTX
3336 expression as a sequence of statements.
3337 (write_one_predicate_function): Use write_predicate_stmts.
3338 (write_tm_constrs_h): Likewise.
3340 2006-06-26 Fred Fish <fnf@specifix.com>
3342 * config/mips/t-sb1: New file.
3343 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3346 2006-06-26 DJ Delorie <dj@redhat.com>
3348 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3350 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3351 Jayant Sonar <jayants@kpitcummins.com>
3352 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3354 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3355 (subsi3, subsi3_1, subsi3_2): New.
3356 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3357 * config/m32c/mov.md (SI mov peephole): New.
3358 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3359 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3361 2006-06-26 Olivier Hainque <hainque@adacore.com>
3363 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3364 a CALL_EXPR target function declaration.
3366 2006-06-26 Richard Guenther <rguenther@suse.de>
3368 * tree.c (build_string): Do not waste tail padding in
3371 2006-06-26 Richard Guenther <rguenther@suse.de>
3373 * ggc-page.c (init_ggc): Add missing element to size_lookup
3377 2006-06-23 Richard Guenther <rguenther@suse.de>
3379 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3380 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3381 alignment requests instead. Add verification code.
3382 Add struct tree_function_decl and struct tree_binfo size to
3383 extra_order_size_table. Add missing element to size_lookup
3386 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3389 * fold-const.c (const_binop): Be prepared for self returning zero.
3390 Simplify code handling complex values.
3392 2006-06-24 Olivier Hainque <hainque@adacore.com>
3394 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3395 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3398 2006-06-24 Olivier Hainque <hainque@adacore.com>
3400 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3401 ARRAY_REF, so have the callback called for the low bound expression.
3403 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3405 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3406 * c-typeck.c (c_common_type): Disallow operations on decimal float
3407 types and other float types.
3408 * convert.c (convert_to_real): Don't ignore conversions involving
3409 decimal float types.
3411 2006-06-23 Olivier Hainque <hainque@adacore.com>
3413 * tree.c (max_int_size_in_bytes): New function, inspired from
3414 code in function.c:assign_temp.
3415 * tree.h (max_int_size_in_bytes): Declare.
3416 * function.c (assign_temp): Use it.
3417 * gimplify.c (create_tmp_var): Relax the assertions on the type
3418 properties, not mandating constant size any more.
3419 (force_constant_size): New static function.
3420 (gimple_add_tmp_var): Use it, forcing variable size to a
3421 constant upper bound if it is not constant on entry.
3423 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3426 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3427 for initialization and setting of one_only flag to ...
3428 (i386_pe_encode_section_info): ...here.
3429 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3430 Recheck that the symbol has not been defined.
3432 2006-06-23 Richard Guenther <rguenther@suse.de>
3434 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3435 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3436 alignment requests instead. Add verification code.
3437 Add struct tree_function_decl and struct tree_binfo size to
3438 extra_order_size_table. Add missing element to size_lookup
3441 2006-06-22 Roger Sayle <roger@eyesopen.com>
3442 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3445 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3446 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3448 2006-06-23 Ben Elliston <bje@au.ibm.com>
3450 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3451 negate dn -- manipulate it directly.
3453 2006-06-22 Roger Sayle <roger@eyesopen.com>
3454 Steven Bosscher <stevenb.gcc@gmail.com>
3457 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3458 generated by gen_move_insn to add REG_LABEL notes if necessary.
3460 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3462 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3463 (leaf_entry): Remove use of MIN_ESA.
3465 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3467 PR rtl-optimization/28121
3468 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3471 2006-06-21 DJ Delorie <dj@redhat.com>
3473 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3475 (mulhisi3_r): Likewise.
3477 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3480 * coverage.c (coverage_counter_alloc): Leave the index type
3482 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3485 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3487 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3488 section from the "Options for Code Generation Conventions".
3490 2006-06-21 Richard Henderson <rth@redhat.com>
3494 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3496 (global_symbolic_operand): Allow weak symbols, even if local_p.
3498 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3500 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3501 (find_interesting_uses_address): Punt if above function returns true.
3503 2006-06-21 Richard Guenther <rguenther@suse.de>
3505 * configure: Regenerated.
3507 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3509 * config/mips/mips.c (function_arg): Where one part of a
3510 complex argument is in registers and the other part in the stack,
3511 return a REG not a PARALLEL.
3513 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3515 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3516 when cross-compiling. Do not substitute libstdcxx_incdir.
3517 * configure: Regenerated.
3519 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3521 * varasm.c (mergeable_string_section): Check for embedded NULs and
3522 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3523 rather than TREE_STRING_LENGTH bytes.
3525 2006-06-21 Richard Guenther <rguenther@suse.de>
3527 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3528 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3531 2006-06-21 Richrad Guenther <rguenther@suse.de>
3533 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3534 Limit iteration over the dominators.
3536 2006-06-20 Roger Sayle <roger@eyesopen.com>
3538 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3539 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3541 2006-06-20 Richard Guenther <rguenther@suse.de>
3542 Michael Matz <matz@suse.de>
3544 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3546 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3547 * et-forest.h (et_free_pools): Prototype new function.
3548 * et-forest.c (et_free_tree_force): Free parent occurrence.
3549 (et_free_pools): New function.
3550 * dominance.c (free_dominance_info): Free et-forest alloc
3553 2006-06-20 Roger Sayle <roger@eyesopen.com>
3555 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3556 integer modes, attempt to directly construct an integer constant.
3558 * fold-const.c (native_encode_vector): Determine the size of each
3559 element from the vector type instead of the first vector element.
3561 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3562 if all of its elements/components are constant.
3563 (build_constructor_from_list): Likewise.
3565 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3567 PR tree-optimization/27331
3568 * tree-data-ref.c (free_data_ref): New function.
3569 (create_data_ref): Fail if the data reference has unknown access
3571 (free_data_refs): Use free_data_ref.
3573 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3576 * tree-inline.c (setup_one_parameter): Strip useless
3577 type conversion before adding it to the IR.
3578 (declare_return_variable): Likewise.
3580 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3583 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3585 2006-06-19 Mike Stump <mrs@apple.com>
3587 * tree.c (variably_modified_type_p): VM arguments don't make the
3590 2006-06-19 Richard Guenther <rguenther@suse.de>
3592 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3593 type conversions after folding.
3595 2006-06-19 Richard Guenther <rguenther@suse.de>
3597 * ggc-page.c (extra_order_size_tab): Add entries with
3598 size of struct function and basic_block.
3599 (size_lookup): Extend to cover sizes up to 511.
3600 (ggc_alloc_stat): Adjust user.
3601 (ggc_pch_count_object): Likewise.
3602 (ggc_pch_alloc_object): Likewise.
3603 (ggc_pch_write_object): Likewise.
3605 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3607 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3608 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3611 2006-06-19 Denis Chertykov <denisc@overta.ru>
3613 * config/avr/libgcc.S : Correct my wrong previous commit.
3615 2006-06-19 Roger Sayle <roger@eyesopen.com>
3618 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3619 have stripped a SUBREG from the shift count, so we may need to
3620 convert_to_mode back to the type's mode before calling make_tree.
3621 Use new_amount instead of amount to avoid expanding a tree twice.
3623 2006-06-19 Richard Guenther <rguenther@suse.de>
3626 * fold-const.c (operand_equal_p): Check if the argument types
3627 have the same precision before stripping NOPs.
3629 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3631 Fix PR tree-optimization/27341
3632 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3634 * tree-complex.c (pass_lower_complex): Update SMT usage.
3636 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3638 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3639 Add a new alternative to the constraint strings. Add move of
3640 operand 1 to 3 to the splitter definition.
3641 ("doloop_si_long"): Second contraint alternative removed.
3643 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3645 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3646 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3648 (AVR_HAVE_MOVW) Define.
3649 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3650 (ASM_SPEC): Add avr25.
3651 (LINK_SPEC): Add avr25.
3652 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3653 (base_arch_s): Add new member 'have_movw_lpmx'.
3654 (avr_arch_types): Init 'have_movw_lpmx'.
3655 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3656 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3657 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3658 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3659 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3661 (avr_file_start): Do not output '.arh' derective.
3662 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3663 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3664 * config/avr/avr.md (mcu_enhanced): Delete.
3665 (mcu_have_movw): Define.
3666 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3667 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3668 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3669 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3670 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3671 attiny861 and at86rf401 devices.
3673 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3675 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3678 2006-06-17 Karl Berry <karl@gnu.org>
3680 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3681 doc/gccint.texi, doc/install.texi (@dircategory): Use
3682 "Software development" instead of "Programming", following
3683 the Free Software Directory.
3685 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3687 * config/i386/i386.c (legitimate_tls_address)
3688 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3689 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3690 (*tls_dynamic_gnu2_combine_64): Likewise.
3692 2006-06-16 Richard Guenther <rguenther@suse.de>
3695 * fold-const.c (negate_expr_p): Do not introduce undefined
3696 overflow in negating INTEGER_CSTs.
3697 (fold_negate_expr): Rename from negate_expr. Revert last
3698 change for folding BIT_NOT_EXPR. Change semantics to
3699 return NULL_TREE for non-simplified negations. Do not
3700 strip type conversions and unify type handling.
3701 (negate_expr): New function, wrap around fold_negate_expr
3702 but ensure building a tree always. Strip type conversions
3703 here, fold to result type.
3704 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3706 2006-06-16 Roger Sayle <roger@eyesopen.com>
3709 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3710 that (would) return their results in stack registers.
3712 2006-06-16 Michael Matz <matz@suse.de>
3713 Richard Guenther <rguenther@suse.de>
3715 * fold-const.c (fold_truthop): Only return new tree node if
3716 we canonicalized something.
3718 2006-06-16 Richard Guenther <rguenther@suse.de>
3720 * function.h (enum function_frequency): Move declaration
3721 out of struct function.
3722 (struct function): Move bool fields and the enum to the bitfield
3723 section. Reorder elements to avoid padding. Remove unused
3724 fields left over from the RTL inliner removal.
3725 * function.c (free_after_compilation): Do not zero removed fields.
3726 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3727 (ipa-type-escape.o): Likewise.
3729 2006-06-16 Richard Guenther <rguenther@suse.de>
3731 * cgraph.h (struct cgraph_local_info): Turn bool elements
3733 (struct cgraph_node): Likewise.
3734 (struct cgraph_varpool_node): Likewise.
3736 2006-06-15 Richard Guenther <rguenther@suse.de>
3738 * fold-const.c (fold_truth_not_expr): Rename from
3739 invert_truthvalue. Give it fold_* semantics to avoid
3741 (invert_truthvalue): New function. Wrapper around
3742 fold_truth_not_expr.
3743 (optimize_minmax_comparison): Avoid creating garbage.
3744 (fold_unary): Use fold_truth_not_expr for folding
3746 (fold_ternary): Replace uses of invert_truthvalue with
3747 fold_truth_not_expr where applicable.
3748 * tree.h (fold_truth_not_expr): Prototype.
3750 2006-06-16 Richard Guenther <rguenther@suse.de>
3752 PR tree-optimization/27781
3753 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3754 * ipa-pure-const.c (target.h): Include.
3755 (analyze_function): Do not analyze functions that do not
3758 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3761 * tree-dfa.c (referenced_vars_dup_list): Remove.
3762 (find_referenced_vars): Remove assert.
3763 (referenced_var_check_and_insert): Replace dup list with assert.
3764 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3765 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3767 2006-06-15 Richard Guenther <rguenther@suse.de>
3769 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3770 extra unused identifiers if not dumping.
3771 (create_variable_info_for): Likewise.
3773 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3775 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3776 (derive_constant_upper_bound): Derive more precise upper bound in
3777 common cases. Return type changed to double_int.
3778 (record_estimate): Reflect the changed return type of
3779 derive_constant_upper_bound.
3780 * double-int.c (double_int_zext, double_int_sext): Fix.
3782 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3784 * configure.ac (CFLAGS): Get them from the toplevel or from the
3785 configure invocation.
3786 * configure: Regenerate.
3787 * Makefile.in (CFLAGS): Substitute value provided by configure.
3789 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3792 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3793 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3794 rather than calling add_stmt on it.
3795 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3797 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3800 * reload1.c (reload): Remove registers returned by update_eliminables
3801 from used_spill_regs.
3803 2006-06-13 DJ Delorie <dj@redhat.com>
3805 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3807 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3809 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3810 html__strip_dir, html__mkdir_p. Enhance install-html target.
3811 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3812 * configure: Regenerate.
3814 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3816 * fold-const.c (fold_cond_expr_with_comparison): Check for
3817 Objective-C++ as language in deciding COND_EXPR transformation.
3819 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3822 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3823 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3824 * config/sh/lib1funcs.h (SL, SL1): Define.
3825 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3826 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3827 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3828 (OBJS_Os_4_200): New variable.
3829 ($(T)libgcc-Os-4-200.a): Use it.
3830 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3831 when dividing 1 and/or by 0.
3833 2006-06-13 Roger Sayle <roger@eyesopen.com>
3835 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3836 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3837 * configure: Regenerate.
3839 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3841 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3842 for real instruction.
3844 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3847 * haifa-sched.c (check_cfg): Handle special case.
3849 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3852 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3853 Add debug_info parameter. Chain the vars to the BLOCK instead
3854 of the BIND_EXPR if debug info are requested for them.
3855 (pop_gimplify_context): Adjust for above change.
3856 (gimple_add_tmp_var): Likewise.
3857 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3859 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3860 (convert_local_reference): Likewise.
3861 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3862 (finalize_nesting_tree_1): Request that debug info be emitted
3863 for debug_var_chain.
3865 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3867 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3868 for PR target/27863.
3870 2006-06-13 Richard Guenther <rguenther@suse.de>
3873 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3875 2006-06-13 Richard Guenther <rguenther@suse.de>
3877 PR tree-optimization/27830
3878 * tree-inline.c (copy_body_r): For copying the operand
3879 of an ADDR_EXPR make sure to fold &* afterwards.
3881 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3883 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3884 lvalues in the fb_none case with side-effects.
3886 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3888 * tree-flow.h: Remove the prototype for
3889 compute_phi_arg_on_exit.
3890 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3891 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3894 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3896 * builtins.c (expand_builtin_return_addr): Only use
3897 frame_pointer_rtx when count == 0 and we are expanding
3898 __builtin_return_address.
3900 2006-06-12 Fred Fish <fnf@specifix.com>
3902 * config/mips/mips.c (mips_file_start): Create special section
3903 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3905 2006-06-11 Eric Christopher <echristo@apple.com>
3908 * stor-layout.c (place_field): Remove check for
3909 remaining_in_alignment when aligning at the end of a run.
3911 2006-06-11 Eric Christopher <echristo@apple.com>
3914 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3917 2006-06-11 Roger Sayle <roger@eyesopen.com>
3920 Revert incorrect fix for PR target/27158
3921 2006-05-08 Roger Sayle <roger@eyesopen.com>
3922 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3923 of a reg_equiv_constant if the result is a legitimate constant.
3925 2006-06-11 Roger Sayle <roger@eyesopen.com>
3928 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3929 extract a CONST_VECTOR element and interpret it as an integer.
3930 (vspltis_constant): Use const_vector_elt_as_int instead of the
3931 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3932 * config/rs6000/predicates.md (easy_vector_const): Consider
3933 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3935 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3938 * stor-layout.c (update_alignment_for_field): Don't add extra
3939 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3942 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3944 * config/mips/t-rtems: Add EL/EB multilib variants.
3946 2006-06-09 Mike Stump <mrs@apple.com>
3948 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3950 2006-06-09 David Daney <ddaney@avtrex.com>
3952 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3954 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3956 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3958 2006-06-09 Richard Guenther <rguenther@suse.de>
3960 PR tree-optimization/26998
3961 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3962 of signed types, only TYPE_MIN_VALUE is special, but for both,
3963 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3964 in this case, as is -fwrapv.
3966 2006-06-08 Mike Stump <mrs@apple.com>
3969 * config/darwin.c (darwin_asm_output_anchor): Disable
3970 -fsection-anchors on darwin for now.
3971 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3972 * rs6000/rs6000.c (optimization_options): Likewise.
3974 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3977 * config/i386/i386.c (classify_argument): Skip fields with invalid
3980 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3982 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3983 (cse_insn): Likewise for the stack_pointer_rtx.
3985 2006-06-08 Roger Sayle <roger@eyesopen.com>
3987 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3988 conditions from floating point comparisons.
3990 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3993 * expmed.c (struct alg_hash_entry): Fix type of field T
3994 to match synth_mult argument.
3995 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3997 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4000 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4003 2006-06-08 Richard Guenther <rguenther@suse.de>
4006 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4007 only, if overflow is defined and not trapping.
4008 (negate_expr): Likewise.
4010 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4012 PR tree-optimization/27872
4013 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4014 flag on the new exit edge of the unrolled loop.
4016 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4018 PR rtl-optimization/26449
4019 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4021 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4024 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4025 referenced_variables with matching DECL_UID's.
4026 (find_referenced_vars): Make sure duplicate list is empty to start.
4027 (referenced_var_p): Remove.
4028 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4029 Check if var is in the list, and add if needed. Update the duplicate
4030 list if a different var is in the list with the same DECL_UID.
4031 (add_referenced_var): Call routine to check and insert.
4032 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4033 * tree-flow.h (referenced_vars_dup_list): External declaration.
4035 2006-06-07 Fred Fish <fnf@specifix.com>
4037 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4040 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4043 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4044 the imaginary and real parts of a clobbered register.
4045 Emit insn to set the imaginary part.
4047 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4049 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4050 in lieu of unwind-dw2-fde.c.
4052 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4054 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4056 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4059 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4060 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4061 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4062 V4SImode temporaries and operations instead.
4064 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4066 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4069 2006-06-06 Mike Stump <mrs@apple.com>
4071 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4072 installing during build.
4074 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4076 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4078 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4079 * config/ia64/ia64.c (params.h): New header.
4080 (ia64_optimization_options): New function to adjust parameters.
4081 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4082 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4083 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4085 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4087 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4089 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4092 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4094 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4095 Victor Kaplansky <victork@il.ibm.com>
4097 PR tree-optimization/26360
4098 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4101 2006-06-04 Roger Sayle <roger@eyesopen.com>
4102 Andrew Pinski <pinskia@physics.uc.edu>
4105 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4106 for LABEL_DECL before calling DECL_WEAK.
4109 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4110 LABEL_DECL and PARM_DECL.
4112 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4116 * c-decl.c (grokdeclarator): Disallow variably modified types at
4117 file scope. Avoid marking shared array type of constant size as
4120 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4123 * c-common.c (fold_offsetof_1): Handle static members.
4125 2006-06-04 Eric Christopher <echristo@apple.com>
4127 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4128 (debug_rli): Output value for remaining_in_alignment.
4129 (update_alignment_for_field): Unconditionalize
4130 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4131 extra alignment code.
4132 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4133 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4134 * tree.h (record_layout_info_s): Remove prev_packed.
4135 * doc/extend.texi (ms_struct): Add documentation of format.
4137 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4139 * tree.h: Declare folding_initializer.
4140 * builtins.c (fold_builtin_constant_p): Give definite answer
4141 if folding inside an initializer.
4142 * fold-const.c: Define folding_initializer.
4143 (START_FOLD_INIT): Save and then set folding_initializer.
4144 (END_FOLD_INIT): Restore folding_initializer.
4146 2006-06-04 Richard Guenther <rguenther@suse.de>
4148 PR tree-optimization/27039
4149 * fold-const.c (fold_comparison): Handle pointer comparison
4150 again for all comparison codes. Compare offsets in signed
4152 (fold_binary): Move code from here.
4154 2006-06-03 Roger Sayle <roger@eyesopen.com>
4157 * config/i386/i386.c (construct_container): Split static issued_error
4158 flag into issued_sse_arg_error, issued_sse_ret_error and
4159 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4160 requires the use of x87 registers and the user explicitly
4161 specified the -mno-80387 command line option.
4163 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4165 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4166 HAVE_DECL_SIGALTSTACK.
4168 (segv_handler): Use MC_FLD.
4169 * configure.ac: Check for a sigaltstack declaration.
4170 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4171 * configure: Regenerate.
4172 * config.in: Regenerate.
4174 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4177 * Makefile.in (stmp-fixinc): Fix typo.
4179 2006-06-02 Roger Sayle <roger@eyesopen.com>
4181 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4182 are type correct. Clean-up.
4183 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4184 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4186 2006-06-01 DJ Delorie <dj@redhat.com>
4188 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4189 shift, as we've disabled the "switch" insn that needs it.
4191 2006-06-01 Per Bothner <bothner@bothner.com>
4193 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4194 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4195 * c-ppoutput.c (cb_define): Don't increment line 0.
4197 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4199 * doc/invoke.texi: Add cpu_type power6.
4200 * config.gcc: Add cpu_type power6.
4201 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4202 to power5+ with Altivec.
4203 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4204 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4206 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4208 * config/avr/avr.h (SET_ASM_OP): Define.
4210 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4212 * config/bfin/bfin.c: Fix comment typos.
4214 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4217 * doc/install.texi: Document --enable-bootstrap and
4218 --disable-bootstrap.
4220 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4222 * doc/install.texi: Document that InfoZIP can replace jar.
4224 2006-05-31 Roger Sayle <roger@eyesopen.com>
4226 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4227 isn't available, directly generate the simpler x87 patterns without
4228 the (use (const_int 0)).
4229 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4230 implementation isn't available.
4231 (*negdf2_1): Likewise.
4232 (*negxf2_1): XF mode negation is always done using the x87.
4233 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4235 2006-05-31 Roger Sayle <roger@eyesopen.com>
4237 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4238 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4240 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4242 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4244 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4245 * config/bfin/bfin.c (basic-block.h): Include.
4246 (struct machine_function): New.
4247 (bfin_init_machine_status): New.
4248 (override_options): Initialize init_machine_status.
4249 (bfin_hardware_loop): New.
4250 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4251 (DEF_VEC_P (loop_info)): New.
4252 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4253 (struct loop_info): New.
4254 (loop_info): New typedef.
4255 (struct loop_work): New.
4256 (loop_work): New typedef.
4257 (DEF_VEC_O (loop_work)): New.
4258 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4259 (bfin_dump_loops): New.
4260 (bfin_bb_in_loop): New.
4261 (bfin_scan_loop): New.
4262 (bfin_optimize_loop): New.
4263 (bfin_reorg_loops): New.
4264 (bfin_reorg): Use bfin_reorg_loops.
4265 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4267 (I_REGNO_P): Simplify.
4268 (DP_REGNO_P, DPREG_P): New macros.
4269 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4270 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4271 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4272 Add LT_REGS, LC_REGS, LB_REGS.
4273 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4275 (REGNO_REG_CLASS): Deal with loop registers.
4276 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4278 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4279 New constants for loop registers.
4280 (UNSPEC_LSETUP_END): New.
4281 (seq_insns): New define_attr. Set it for appropriate insns.
4282 (movsi_insn): Add alternatives for move from/to
4283 loop count registers.
4284 (doloop_end): New define_expand.
4285 (loop_end): New define_insn.
4286 (define_split for bad doloop_end): New.
4287 (lsetup_with_autoinit): New define_insn.
4288 (lsetup_without_autoinit): New define_insn.
4289 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4290 * config/bfin/predicates.md (lc_register_operand): New.
4291 (lt_register_operand): New.
4292 (lb_register_operand): New.
4293 (nondp_register_operand): New.
4294 (nondp_reg_or_memory_operand): New.
4295 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4297 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4299 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4300 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4302 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4304 * Makefile.in (CATALOGS): Add po/ prefix.
4305 * configure: Regenerated.
4307 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4310 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4311 a shift operand before calling shift_op. Avoid redundant call of
4314 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4315 DJ Delorie <dj@redhat.com>
4317 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4318 we're inserting is a singlt-bit constant.
4320 2006-05-30 Roger Sayle <roger@eyesopen.com>
4322 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4323 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4325 2006-05-30 Roger Sayle <roger@eyesopen.com>
4327 PR tree-optimization/23452
4328 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4329 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4330 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4331 complex values and with -ffast-math for FP complex values.
4333 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4335 * c-common.h: Remove the prototype for yyparse.
4336 * rtl.h: Remove the prototype for init_loop.
4338 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4340 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4343 2006-05-30 Roger Sayle <roger@eyesopen.com>
4345 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4347 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4348 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4350 2006-05-30 Dirk Mueller <dmueller@suse.de>
4353 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4354 for CONSTANT_CLASS_P expresisons.
4356 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4359 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4361 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4363 PR tree-optimization/27779
4364 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4365 initial_condition instead of CHREC_LEFT.
4367 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4369 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4370 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4371 Make prototypes ISO C90.
4373 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4374 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4376 * see.c (see_analyze_one_def): Correct check.
4377 (see_get_extension_data): Check if extension is parallel.
4378 (see_get_extension_reg): Likewise.
4380 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4383 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4384 into register for (code == GTU).
4386 2006-05-29 Roger Sayle <roger@eyesopen.com>
4388 PR tree-optimization/24964
4389 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4390 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4391 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4392 abs(x)*abs(x) as x*x for scalar floating point modes.
4394 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4397 * lambda-code.c (perfect_nestify): Don't copy statements
4398 in the inner loop: move them to the inner loop header.
4400 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4403 * c-tree.texi: Document OpenMP directives and clauses.
4405 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4407 * varasm.c (globalize_decl): Fix indentation.
4409 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4412 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4413 pass_fre, pass_store_ccp, pass_copy_prop,
4414 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4415 pass_return_slot, pass_object_size, pass_lim,
4416 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4417 pass_loop_prefetch and pass_stdarg.
4419 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4421 * config/bfin/bfin.opt (mfdpic): New option.
4422 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4423 (EXTRA_MULTILIB_PARTS): Likewise.
4424 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4425 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4427 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4428 (CRT_CALL_STATIC_FUNCTION): New.
4429 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4431 (CRT_CALL_STATIC_FUNCTION): New.
4432 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4434 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4435 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4436 (initialize_trampoline): Changed to handle FD-PIC code generation.
4437 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4438 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4439 (override_options): Disallow -mid-shared-library -mfdpic combination.
4440 Can't do unaligned ops if FD-PIC.
4441 Turn off flag_pic if trying to generate non-id-shared-library
4442 non-fdpic code, since it's not supported.
4443 (bfin_assemble_integer): New function.
4444 (TARGET_ASM_INTEGER): Define.
4445 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4447 * config/bfin/crtn.s: Restore them.
4448 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4450 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4451 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4452 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4453 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4454 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4456 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4457 FDPIC_REGS and FDPIC_FPTR_REGS.
4458 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4459 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4460 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4461 (load_funcdescsi): New pattern.
4462 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4463 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4464 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4466 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4468 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4471 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4473 * tree-flow.h: Remove the prototype for add_type_alias.
4474 * tree-ssa-alias.c (add_type_alias): Remove.
4476 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4478 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4479 config/fr30/fr30.md, config/i386/i386-interix.h,
4480 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4481 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4482 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4483 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4484 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4485 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4486 Follow spelling conventions.
4487 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4488 Follow spelling conventions.
4490 2006-05-27 Richard Guenther <rguenther@suse.de>
4493 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4494 to produce a constant of value 1 of generic type.
4496 2006-05-27 Dirk Mueller <dmueller@suse.de>
4498 * cgraphunit.c (decide_is_function_needed): Fix wrong
4501 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4503 PR rtl-optimization/27661
4504 * reload.c (find_reloads): When reloading a VOIDmode constant
4505 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4506 use Pmode as mode of the reload register.
4508 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4510 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4511 is enabled at -O and above.
4513 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4516 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4519 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4522 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4523 for anonymous variables explicitly declared by front ends.
4525 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4527 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4528 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4529 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4530 ref-all pointers, run a finalization pass for them.
4531 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4532 (finalize_ref_all_pointers): New function.
4533 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4534 regular pointer type to a ref-all pointer type.
4535 (get_tmt_for): Return the special memory tag for ref-all pointers.
4537 2006-05-25 Richard Guenther <rguenther@suse.de>
4540 * fold-const.c (fold_binary): Do not look at the stripped
4541 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4543 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4545 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4546 for LT and GT if the computed range is effectively empty.
4548 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4551 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4552 mips_quad_format formats instead of ieee_single_format,
4553 ieee_double_format and ieee_quad_format formats, respectively.
4555 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4557 PR tree-optimization/27639
4558 PR tree-optimization/26719
4559 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4560 call to scev_probably_wraps_p.
4561 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4562 used_in_pointer_arithmetic_p, convert_step): Removed.
4563 (nowrap_type_p): New function.
4564 (scev_probably_wraps_p): Rewritten.
4565 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4566 chrec_convert if chrec_convert_aggressive might have been used.
4567 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4568 scev_direction): New functions.
4569 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4570 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4571 instead of convert_step.
4572 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4573 (convert_step): Declaration removed.
4574 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4576 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4578 * df-core.c: Added to header comments.
4579 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4580 df_ur_bb_info, df_urec_bb_info): Added comments.
4581 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4582 urec, ri problems): Fixed header comments.
4583 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4584 code from df_rd_transfer_function.
4586 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4588 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4589 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4590 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4592 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4594 * expr.c (undefined_operand_subword_p): New.
4595 (emit_move_multi_word): Do not generate move from undefined bits
4596 of a paradoxical subreg.
4598 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4600 PR rtl-optimization/27736
4601 * combine.c (replaced_rhs_value): New variable.
4602 (combine_instructions): Set it.
4603 (distribute_notes): When distributing a note in replaced_rhs_insn,
4604 check whether the value was used in replaced_rhs_value.
4606 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4609 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4610 add_referenced_var instead of add_referenced_tmp_var.
4611 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4612 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4614 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4615 tree_optimize_tail_calls_1): Use add_referenced_var.
4616 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4617 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4618 Use add_referenced_var.
4619 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4620 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4621 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4622 Use add_referenced_var.
4623 * tree-dfa.c (struct walk_state): Remove.
4624 (find_referenced_vars): Remove walk state and vars_found hash table.
4625 (make_rename_temp): Use add_referenced_var.
4626 (find_vars_r): Pass less parameters to add_referenced_var.
4627 (referenced_var_p): New. Is var in referenced_var hash table.
4628 (referenced_var_insert): Assert var isn't already in hash table.
4629 (add_referenced_var): Don't need walk_state parameter. Add var if it
4630 isn't already in the hash table.
4631 (add_referenced_tmp_var): Remove.
4632 (find_new_referenced_vars_1): Use add_referenced_var.
4633 * tree-ssa-pre.c (create_expression_by_pieces,
4634 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4635 Use add_referenced_var.
4636 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4637 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4638 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4640 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4641 vect_create_data_ref_ptr, vect_create_destination_var,
4642 vect_init_vector, vect_build_loop_niters,
4643 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4644 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4645 Use add_referenced_var.
4646 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4647 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4648 (add_referenced_var): Add prototype.
4649 * tree-ssa-structalias.c (get_constraint_for,
4650 intra_create_variable_infos): Use add_referenced_var.
4652 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4654 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4655 big-endian paradoxical subregs.
4656 * var-tracking.c (struct micro_operation_def): Document that,
4657 for modify micro operations, insn is the subsequent instruction.
4658 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4659 (var_reg_set, var_mem_set): ... new functions.
4660 (add_stores): Record subsequent insn.
4661 (compute_bb_dataflow): Use new functions for MO_USE.
4662 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4663 notes after the insn, and modify notes before the insn known
4664 to be the subsequent one.
4665 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4667 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4670 * config/i386/i386.c (ix86_expand_builtin): Use
4671 gen_sse3_monitor64 for TARGET_64BIT.
4673 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4675 PR rtl-optimization/26375
4676 PR rtl-optimization/26855
4677 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4679 (df_ru_bb_local_compute): Reversed statements and removed bogus
4680 comment explaining why they should be in wrong order.
4681 (df_ru_dump, df_rd_dump): Enhanced debug info.
4682 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4684 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4685 reaching uses and fixed space problem.
4687 2006-05-23 Jan Hubicka <jh@suse.cz>
4689 * cgraphunit.c (decide_is_function_needed): Also nested functions
4690 and functions declared inline can be optimized out at -O0.
4692 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4694 * doc/install.texi (Configuration): Remove reference to CrossGCC
4698 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4701 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4702 ix86_compare_emitted is non-NULL.
4704 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4707 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4710 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4712 PR rtl-optimization/25514
4713 * combine.c (replaced_rhs_insn): New variable.
4714 (combine_instructions): Set replaced_rhs_insn when trying to replace
4715 a SET_SRC with a REG_EQUAL note.
4716 (distribute_notes): Use replaced_rhs_insn when determining the live
4717 range of a REG_DEAD register.
4719 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4720 Anatoly Sokolov <aesok@post.ru>
4722 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4723 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4724 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4725 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4726 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4727 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4728 at90usb647, at90usb1286 and at90usb1287 devices.
4729 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4730 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4732 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4734 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4736 2006-05-22 Richard Guenther <rguenther@suse.de>
4739 2006-01-31 Richard Guenther <rguenther@suse.de>
4740 Paolo Bonzini <bonzini@gnu.org>
4742 * doc/install.texi (--disable-libgcc-math): Document.
4744 2006-05-22 Richard Guenther <rguenther@suse.de>
4747 2006-01-31 Richard Guenther <rguenther@suse.de>
4749 * doc/invoke.texi (-msselibm): Document.
4750 * target.h (expand_library_builtin): New target hook.
4751 * builtins.c (expand_builtin): Use expand_library_builtin.
4752 (default_expand_library_builtin): New function.
4753 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4754 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4755 (link_gcc_math_spec): Declare.
4756 (static_specs): Add link_gcc_math_spec.
4757 * expr.h (default_expand_library_builtin): Declare.
4758 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4759 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4760 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4761 * config/i386/i386.opt (msselibm): New target option.
4762 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4763 (ix86_init_sse_abi_builtins): New function.
4764 (ix86_expand_library_builtin): Likewise.
4765 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4766 (override_options): Handle error conditions wrt -msselibm.
4767 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4768 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4769 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4772 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4775 * c-common.c (self_promoting_args_p): Skip erroneous args.
4778 * c-decl.c (finish_struct): Skip erroneous fields.
4780 2006-05-22 Nick Clifton <nickc@redhat.com>
4782 * config/cris/cris.opt (march): Remove VarExists attribute.
4783 (max-stackframe=): Likewise.
4785 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4787 * doc/rtl.texi: Fix a typo.
4788 * see.c: Fix comment typos.
4790 * tree-ssa-structalias.h (alias_info): Remove num_references.
4792 2006-05-21 Mike Stump <mrs@apple.com>
4794 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4796 (darwin_pragma_options): Use BAD instead.
4797 (darwin_pragma_unused): Likewise.
4798 (darwin_pragma_ms_struct): Likewise.
4800 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4802 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4804 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4806 PR rtl-optimization/27671
4807 * simplify-rtx.c (simplify_relational_operation_1): Fix
4808 simplifications of (eq/ne (xor x y) y) and
4809 (eq/ne (xor x y) x).
4811 PR tree-optimization/26622.
4812 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4815 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4817 * tree-cfg.c: Prune whitespace.
4818 (debug_tree_cfg): Point to correct header containing the
4821 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4824 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4826 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4829 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4830 or sorry count is non zero.
4832 2006-05-20 Andreas Schwab <schwab@suse.de>
4834 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4836 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4837 Kenneth Zadeck <zadeck@naturalbridge.com>
4839 PR rtl-optimization/26855
4841 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4843 (df_scan_alloc): Added code to properly handle multiword hard
4844 registers and add all_blocks parameter.
4845 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4846 code to properly handle multiword hard registers.
4847 (df_rescan_blocks): Added code to remove deleted blocks from
4849 (df_ref_create_structure, df_ref_record): Added code to properly
4851 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4852 and set DF_REF_PARTIAL.
4853 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4854 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4855 (df_scan_add_problem): Added flags parameter.
4856 (df_ref_create_structure): Changed switching structure.
4857 (df_bb_refs_record): Fixed case where duplicate artificial refs
4858 were created. Changed location of flags.
4859 (df_record_entry_block_defs): Added code to make stack pointer
4860 live in entry block. Refined cases where frame pointer is needed.
4861 Changed location of flags.
4862 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4863 (df_set_state): Removed function.
4864 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4865 df_insn_create_insn_record, df_insn_refs_delete,
4866 df_ref_create_structure): Formatting changes.
4867 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4868 df_delete_basic_block): New function.
4869 (df_init): Changed location of flags.
4870 (df_add_problem): Added flags parameter and the way flags are
4872 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4873 debug_df_chain): Improved debugging output.
4874 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4875 (df_refs_chain_dump): Removed df parameter.
4876 (df_iterative_dataflow): Added consistency check.
4877 (df_prune_to_subcfg): Made public.
4878 (df_analyze_problem): Added blocks_to_init parameter and made
4880 (df_ref_record, df_bb_refs_record, df_mark_reg,
4881 df_record_exit_block_uses): Whitespace changes.
4882 (df_dump): Whitespace changes.
4883 * df.h: Some reordering to remove forward references.
4884 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4885 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4886 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4887 (dataflow.flags): New field.
4888 (df.flag): Deleted field.
4889 (df_alloc_function): Added additional bitmap parameter.
4890 (df_dependent_problem_function): New type.
4891 (df_problem.changeable_flags): New field.
4892 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4893 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4894 (df_mw_hardreg): New struct.
4895 (DF_INSN_UID_MWS): New macro.
4896 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4898 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4899 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4900 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4901 (df_set_state): Removed function.
4902 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4903 * df-problems.c (df_chain_dump): Removed df parameter.
4904 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4905 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4907 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4908 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4909 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4910 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4911 DF_REF_MUST_CLOBBER cases.
4912 (df_ru_bb_local_compute_process_def,
4913 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4914 df_lr_bb_local_compute, df_ur_bb_local_compute,
4915 df_chain_create_bb): Made subreg aware.
4916 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4917 df_lr_bb_local_compute, df_lr_bb_local_compute,
4918 df_chain_create_bb): Cleanup to use proper macros.
4919 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4920 code to fixup bitvectors.
4921 (df_ri_alloc): Cleared lifetime.
4922 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4923 df_create_unused_note): New function.
4924 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4925 REG_DEAD and REG_UNUSED notes as well as register information.
4926 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4927 df_chains_dump): Fixed crash if problem was never run.
4928 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4929 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4930 df_ri_add_problem): Processes flags in uniform manner.
4931 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4932 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4933 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4934 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4935 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4936 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4937 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4938 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4939 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4940 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4941 * see.c (see_initialize_data): Ditto.
4942 * final.c (rest_of_clean_state) Added regstack_completed.
4943 * rtl.h (regstack_completed): Ditto.
4944 * reg-stack.c (regstack_completed): Ditto.
4946 2006-05-19 Mike Stump <mrs@apple.com>
4948 * c-tree.h (default_conversion): Remove.
4949 * c-common.h (default_conversion): Add.
4951 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4953 * tree-vrp.c (valid_value_p): New function.
4954 (adjust_range_with_scev): Fail if the value of bound is not
4957 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4959 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4960 (mips_fallback_frame_state): Use syscall numbers to determine
4961 the appropriate li instruction for the current ABI. Only use
4962 __NR_sigreturn for o32.
4964 2006-05-19 Nicolas Setton <setton@adacore.com>
4966 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4967 * langhooks.c (lhd_dwarf_name): New function.
4968 * langhooks-def.h (lhd_dwarf_name): Declare.
4969 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4970 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4971 * ada/misc.c (gnat_dwarf_name): New function.
4972 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4974 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4976 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4978 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4979 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4980 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4981 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4982 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4983 determine the size of Wtype, etc.
4984 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4985 (swfloatfuncs): New variable.
4986 (dwfloatfuncs): Likewise.
4987 (lib2funcs): Remove floating-point conversion functions from
4988 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4989 the set of conversion routines needed. Allow entries to specify
4990 an object name, filename and word size. Update users accordingly.
4991 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4992 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4996 2006-02-08 Roger Sayle <roger@eyesopen.com>
4999 * config/fixtfdi.c: New libgcc source file.
5000 * config/fixunstfdi.c: New source file.
5001 * config/floatditf.c: New source file.
5002 * config/floatunditf.c: New souce file.
5003 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5004 files above instead of config/mips/_tilib.c.
5005 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5007 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5009 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5010 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5012 2006-05-18 Mike Stump <mrs@apple.com>
5014 Fix up vla, vm and [*] sematics.
5020 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5021 (c_vla_unspec_p): Add.
5022 (c_vla_type_p): Add.
5023 * c-decl.c (struct c_scope): Add had_vla_unspec.
5024 (build_array_declarator): Add support for [*].
5025 (grokdeclarator): Likewise.
5026 (grokparms): Likewise.
5027 (get_parm_info): Likewise.
5028 * c-objc-common.c (c_vla_unspec_p): Likewise.
5029 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5030 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5031 typeof when argument is a variably modified type not inside sizeof or alignof.
5032 (c_parser_direct_declarator_inner): Propagate errors.
5033 (c_parser_sizeof_expression): Add support for [*].
5034 (c_parser_parms_declarator): Initialize had_vla_unspec.
5035 (c_parser_parms_list_declarator): Likewise.
5036 * c-typeck.c (c_vla_type_p): Add.
5037 (composite_type): Add support for vla compositing.
5038 (comptypes_internal): Add support for vla compatibility.
5039 (c_expr_sizeof_expr): Evaluate vla arguments.
5040 * tree.c (variably_modified_type_p): Update comment for [*].
5042 2006-05-18 Michael Matz <matz@suse.de>
5045 * config.host: Make assignments to host_xmake_file cumulative.
5046 * config.host (*-darwin*): Test $host, not $target.
5048 2006-05-12 Stuart Hastings <stuart@apple.com>
5050 * config/i386/i386.opt (-mstackrealign): New flag.
5051 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5052 (ix86_handle_cconv_attribute): Emit error when
5053 force_align_arg_pointer attribute collides with too many regparms.
5054 (ix86_function_regparm): Limit regparms when used with
5055 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5056 Support stack-realigning prologue in non-main functions. Emit
5057 warning for nested functions under -mstackrealign, emit error for
5058 nested functions with force_align_arg_pointer attribute.
5059 * doc/extend.texi (force_align_arg_pointer): Document it.
5060 * doc/invoke.texi (-mstackrealign): Document it.
5062 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5064 PR rtl-optimization/27477
5065 * combine.c (try_combine): Don't split a parallel consisting
5066 of two sets into two individual sets if both sets reference
5069 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5071 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5072 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5074 * doc/options.texi (VarExists): Updated.
5076 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5078 * unwind-dw2.c: Add declarations for uw_update_context and
5080 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5081 detected, advance frame state and context once to skip over stub.
5083 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5087 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5088 Call rewrite_into_loop_closed_ssa only when something changed.
5089 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5090 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5091 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5092 Test for perfect_nest_p here. Fix formating.
5093 (replace_uses_equiv_to_x_with_y): Fix formating.
5094 (stmt_uses_op): Removed.
5095 (can_convert_to_perfect_nest): Removed loopivs parameter.
5096 Complete the test by checking the scalar dependences.
5097 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5100 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5103 From Dan Kegel <dank@kegel.com>:
5104 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5106 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5108 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5109 if the element type is variably modified without recursing.
5111 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5114 * tree-loop-linear.c (try_interchange_loops): Test for
5115 no data dependences.
5117 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5119 PR tree-optimization/27548
5120 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5121 range of ssa names that appear on abnormal edges.
5122 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5123 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5125 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5128 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5130 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5133 * tree.h (OMP_PARALLEL_COMBINED): Define.
5134 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5135 (new_omp_context): Add is_combined_parallel argument.
5136 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5137 new_omp_context caller.
5138 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5139 Adjust gimplify_scan_omp_clauses callers.
5140 (omp_is_private): Issue errors if iteration variable is firstprivate
5141 or reduction in the current context.
5142 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5143 on combined parallel workshare constructs.
5145 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5147 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5148 (gcc-options.o): New rule.
5150 * optc-gen.awk: Protect variables for gcc-options.o with
5151 #ifdef GCC_DRIVER/#endif.
5153 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5155 Fix PR tree-optimization/27373
5156 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5157 (forward_propagate_addr_expr): Update call.
5159 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5161 * doc/options.texi: Move the Negative option.
5163 2006-05-16 Richard Guenther <rguenther@suse.de>
5165 PR tree-optimization/22303
5166 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5168 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5169 ccp_fold did not simplify the statement.
5171 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5174 * Makefile.in (GCC_OBJS): New.
5175 (OBJS-common): Add opts-common.o.
5176 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5177 (cpp$(exeext)): Likewise.
5178 (gcc.o): Also depend on opts.h.
5179 (opts-common.o): New.
5181 * common.opt (gcoff): Add Negative(gdwarf-2).
5182 (gdwarf-2): Add Negative(gstabs).
5183 (gstabs): Add Negative(gstabs+).
5184 (gstabs+): Add Negative(gvms).
5185 (gvms): Add Negative(gxcoff).
5186 (gxcoff): Add Negative(gxcoff+).
5187 (gxcoff+): Add Negative(gcoff).
5188 * config/i386/i386.opt (m32): Add Negative(m64).
5189 (m64): Add Negative(m32).
5191 * doc/options.texi: Document the Negative option.
5193 * gcc.c: Include "opts.h".
5194 (main): Call prune_options after expandargv.
5196 * optc-gen.awk: Generate common declarations for all flag
5197 variables in options.c. Output the neg_index field.
5199 * opts.c (find_opt): Moved to ...
5200 * opts-common.c: Here. New file.
5202 * opts.h (cl_option): Add a neg_index field.
5204 (prune_options): Likewise.
5206 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5209 * omp-low.c (expand_omp_parallel): Don't assert
5210 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5211 instead search for it.
5214 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5217 2006-05-16 Andreas Schwab <schwab@suse.de>
5219 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5222 2006-05-15 Roger Sayle <roger@eyesopen.com>
5225 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5226 integer constants other than zero are only legitimate on TARGET_64BIT.
5227 <CONST_VECTOR> Only zero vectors are legitimate.
5228 (ix86_cannot_force_const_mem): Integral and vector constants can
5229 always be put in the constant pool.
5231 2006-05-16 DJ Delorie <dj@redhat.com>
5233 * crtstuff.c (__dso_handle): Set section from
5234 TARGET_LBIGCC_SDATA_SECTION if defined.
5235 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5236 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5238 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5241 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5244 2006-05-16 Ben Elliston <bje@au.ibm.com>
5246 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5248 2006-05-15 Per Bothner <per@bothner.com>
5250 * tree.c: (last_annotated_node): Use source_locus typedef.
5251 This permits bootstrapping with --enable-mapped-location.
5253 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5255 PR tree-optimization/26830
5256 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5257 (info_for_ssa_name, current_info_for_ssa_name_age,
5258 blocks_to_update): New variables.
5259 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5260 (clear_ssa_name_info, initialize_flags_in_bb,
5261 mark_block_for_update): New functions.
5262 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5263 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5264 prepare_def_site_for): Use mark_block_for_update.
5265 (mark_def_interesting): Assert that the processed block is marked in
5266 blocks_to_update. Do not take blocks argument.
5267 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5269 (rewrite_update_init_block, rewrite_update_stmt): Only process
5270 blocks with statements to rewrite.
5271 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5272 (update_ssa): Initialize and free blocks_to_update. Do not
5273 clear flags on statements. Do not use blocks bitmap.
5274 * tree.h (SSA_NAME_AUX): Removed.
5275 (struct tree_ssa_name): Removed aux field.
5276 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5278 2006-05-15 Richard Guenther <rguenther@suse.de>
5280 PR tree-optimization/27603
5281 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5282 Do computations in original type.
5284 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5286 * see.c: Code style changes such as redundant paranthesis,
5287 redundant intialization of local variables etc.
5288 (see_main): Declared now as static.
5289 * doc/invoke.texi: Update that -fsee is not enabled by
5292 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5294 * omp-low.c (check_omp_nesting_restrictions): New function.
5295 (scan_omp_1): Call it.
5298 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5299 construct, return *VAR.
5301 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5303 PR rtl-optimization/27406
5304 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5307 2006-05-14 Roger Sayle <roger@eyesopen.com>
5309 PR rtl-optimization/27538
5310 * combine.c (expand_compound_operation): Call gen_lowpart
5311 before calling simplify_shift_const.
5313 2006-05-14 Roger Sayle <roger@eyesopen.com>
5315 PR rtl-optimization/22563
5316 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5317 a fixed width bitfield, always force the intermediates into psuedos.
5319 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5322 * mkconfig.sh: Use operator = instead of == for test.
5324 2006-05-13 Nick Clifton <nickc@redhat.com>
5326 * dwarf2out.c (dbx_reg_number): Check return value from
5327 LEAF_REG_REMAP and only use it if it is valid.
5328 (multiple_reg_loc_descriptor): Likewise.
5330 2006-05-13 Richard Guenther <rguenther@suse.de>
5332 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5335 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5337 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5338 information attached to non-INSNs such as NOTEs.
5339 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5341 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5343 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5345 * config/s390/s390.md: Adjust comment describing On constraint.
5347 2006-05-11 Jan Hubicka <jh@suse.cz>
5349 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5350 to be output at -O0.
5352 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5355 * fold-const.c (size_binop): Move sanity check for arguments to
5356 the beginning of the function.
5359 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5362 2006-05-11 Richard Guenther <rguenther@suse.de>
5365 * fold-const.c (fold_unary): Handle intermediate conversion
5366 to a pointer type like intermediate conversion to an integer
5367 type in folding of (T1)(T2)var to var.
5368 Match the code to the comment in the final conversion for
5369 (T1)(T2)var to (T1)var regarding to type precision. Rather
5370 than disallow T1 being of pointer type, assert that both T1
5371 and var are of pointer type or not. Make sure not to fall
5372 over the frontends lazyness wrt array to pointer decay though.
5374 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5376 * arm.c (arm_struct_value_rtx): Delete.
5377 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5378 (arm_init_cumulative_args): Always initialize nregs to zero.
5380 2006-05-10 Richard Guenther <rguenther@suse.de>
5382 PR tree-optimization/27532
5383 * tree-object-size.c (plus_expr_object_size): Fix typo.
5385 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5388 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5389 ashrdi_const, ashrdi3): Use a scratch register.
5391 2006-05-10 Richard Guenther <rguenther@suse.de>
5393 PR tree-optimization/27302
5394 * fold-const.c (operand_equal_p): For two comparisons,
5395 try comparison of one comparison code swapped if that yields
5398 2006-05-10 Ben Elliston <bje@au.ibm.com>
5400 * tree-pretty-print.c (pretty_print_string): No need to handle
5401 '\0' as a special character.
5403 * tree.h: Include "hashtab.h".
5404 (iterative_hash_expr): Use hashval_t in its prototype.
5405 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5407 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5410 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5411 (hppa*64*-*-hpux11*): Ditto.
5412 (hppa[12]*-*-hpux11*): Ditto.
5414 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5417 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5419 2006-05-09 Michael Matz <matz@suse.de>
5421 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5422 host_extra_gcc_objs and host_xmake_file.
5423 (<*-*-linux*>): Don't overwrite host_xmake_file.
5424 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5425 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5426 (host_detect_local_cpu): Declare.
5427 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5428 * config/i386/i386.c (override_options): Handle -mtune=native
5430 * config/i386/x-i386: New file.
5431 * config/i386/driver-i386.c: New file.
5432 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5435 2006-05-09 Dirk Mueller <dmueller@suse.de>
5436 Richard Guenther <rguenther@suse.de>
5439 * fold-const.c (fold_read_from_constant_string): Relax check
5440 for matching types to matching modes.
5442 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5444 PR rtl-optimization/27335
5445 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5448 2006-05-08 Chao-ying Fu <fu@mips.com>
5449 Richard Sandiford <richard@codesourcery.com>
5451 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5452 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5453 * config/mips/mips.md (UNSPEC_SCC): New constant.
5454 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5455 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5456 (mips_emit_compare): Use it.
5457 (mips_expand_vcondv2sf): New function.
5459 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5461 Fix PR tree-optimization/27093
5462 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5463 renaming when they become not-used_alone.
5465 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5467 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5468 relocation and relocation stubs.
5470 2006-05-08 Eric Christopher <echristo@apple.com>
5472 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5475 2006-05-08 Jan Hubicka <jh@suse.cz>
5478 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5479 unused static functions are needed.
5481 2006-05-08 Roger Sayle <roger@eyesopen.com>
5484 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5485 of a reg_equiv_constant if the result is a legitimate constant.
5487 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5490 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5491 standard 80387 constants, raise the cost to prevent
5492 compress_float_constant() to generate load from memory.
5494 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5496 * config/arm/constraints.md (c): Fix a typo.
5498 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5501 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5504 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5506 (_mm_mwait): Likewise.
5508 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5510 (sse3_monitor): Make it 32bit only.
5511 (sse3_monitor64): New. 64bit monitor.
5513 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5516 * config/i386/i386.c (classify_argument): Skip fields with invalid
5519 2006-05-07 Richard Guenther <rguenther@suse.de>
5521 PR tree-optimization/27409
5522 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5523 Do not try to find zero-sized subvars.
5525 2006-05-07 Richard Guenther <rguenther@suse.de>
5527 PR tree-optimization/27136
5528 * tree-ssa-loop-niter.c (get_val_for): Correct function
5529 comment, assert requirements.
5530 (loop_niter_by_eval): Stop processing if the iterated
5531 value did not simplify.
5533 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5535 * opts.c (flag_see): remove its setting at -O3.
5537 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5539 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5540 * arm/constraints.md: New file.
5541 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5542 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5543 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5544 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5545 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5546 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5547 * arm.md: Include constraints.md.
5548 (thumb_movsi_insn): Use satisfies_constraint_J.
5549 (movhi, movqi): Use satisfies_constraint_I.
5551 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5553 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5554 for atmeg a645 device.
5556 2006-05-06 Richard Guenther <rguenther@suse.de>
5558 PR tree-optimization/27151
5559 * tree-vect-transform.c (vectorizable_condition): Punt on
5560 values that have a different type than the condition.
5562 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5565 * c-parser.c (c_parser_cast_expression): Only insert casts into
5566 hash table if pointer.
5567 * function.c (used_types_insert_helper): Rename from
5569 (used_types_insert): Call used_types_insert_helper.
5570 * function.h (used_types_insert): Accept only one argument.
5572 2006-05-05 David Edelsohn <edesohn@gnu.org>
5574 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5575 scratch with output modifier.
5577 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5580 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5581 with output modifier.
5583 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5586 * config/mips/mips.c (mips_symbolic_address_p): Return true
5587 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5588 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5590 2006-05-04 Richard Guenther <rguenther@suse.de>
5592 PR tree-optimization/14287
5593 PR tree-optimization/14844
5594 PR tree-optimization/19792
5595 PR tree-optimization/21608
5596 PR tree-optimization/27090
5597 * tree-ssa-pre.c (try_combine_conversion): New function.
5598 (compute_avail): After constructing the value-handle
5599 expression, use try_combine_conversion to combine NOP_EXPRs
5600 with previous value-handle expressions and use the result if it
5603 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5605 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5607 2006-05-04 Jan Hubicka <jh@suse.cz>
5610 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5612 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5614 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5615 that this only matches CONST_INTs. All users changed to VOIDmode
5618 * config/bfin/bfin.c: Include "optabs.h".
5619 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5621 (enum bfin_builtins): Add a number of fractional and vector builtins.
5622 (bfin_init_builtins): Likewise.
5623 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5624 (safe_vector_operand, bfin_expand_binop_builtin,
5625 bfin_expand_unop_builtin): New functions.
5626 (bfin_expand_builtin): Handle the new builtins.
5627 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5630 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5633 * Makefile.in (OBJS-common): Add see.o.
5634 (see.o): Add dependencies.
5635 * common.opt (fsee): New flag for the see optimization was added.
5636 * opts.c (flag_see): Initialized.
5637 * passes.c (init_optimization_passes, pass_see): New pass.
5638 * rtl.h (see_main): Declaration as extern.
5639 * timevar.def (TV_SEE): New.
5640 * tree-pass.h (pass_see): Declaration as extern.
5641 * invoke.texi (-fsee): Document.
5642 * recog.c (validate_simplify_insn): New function.
5643 * recog.h (validate_simplify_insn): Declaration as extern.
5644 * df-problems.c (df_chain_dump): Check for NULL.
5646 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5647 Daniel Berlin <dberlin@dberlin.org>
5649 * cfgrtl.c (insert_insn_bb_end_new): New function.
5650 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5652 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5654 * df.h (struct web_entry): Moved from web.c.
5655 (union_defs): Declaration as extern.
5656 (unionfind_root): Likewise.
5657 (unionfind_union): Likewise.
5658 * web.c (struct web_entry): Moved to df.h.
5659 (unionfind_root): Remove static declaration.
5660 (unionfind_union): Likewise.
5661 (union_defs): Likewise and generalize to use callback function.
5662 (web_main): Update arguments for union_defs function call.
5664 2006-05-04 Richard Guenther <rguenther@suse.de>
5666 PR tree-optimization/26447
5667 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5668 produce SSA_NAME copies before the store stmt to avoid
5669 breaking exception handling.
5671 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5674 * gimplify.c (omp_is_private): If var is shared in some outer context,
5675 return false instead of true. Stop searching on parallel context
5678 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5681 * coverage.c: Use get_gcov_unsigned_t() instead of
5682 unsigned_type_node all over.
5684 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5686 PR tree-optimization/27381
5687 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5688 maintain the same immediate_use links.
5689 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5690 node rather than segfaulting.
5692 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5695 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5696 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5697 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5699 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5701 Fix PR tree-optimization/26626
5702 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5704 * tree-ssa-operands.c (access_can_touch_variable): Allow
5705 typecasting through union pointers.
5707 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5710 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5711 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5712 to find if var will be a global variable even in the nested context.
5713 (omp_copy_decl): Only check for global variable at the end, it might
5714 be overridden in outer contexts.
5715 (scan_sharing_clauses): For global variables don't create a field.
5716 (lower_rec_input_clauses): Do nothing for global shared variables.
5717 Emit a barrier at the end of ILIST if there were any decls in both
5718 firstprivate and lastprivate clauses.
5719 (lower_send_clauses): Do nothing for global variables except for
5722 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5724 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5725 of the correct signedness is returned.
5727 2006-05-02 Jeff Law <law@redhat.com>
5729 PR tree-optimization/27364
5730 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5731 multiply expressions.
5733 2006-05-02 Tom Tromey <tromey@redhat.com>
5735 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5737 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5740 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5741 -mthumb -fPIC are used.
5743 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5744 Joshua Kinard <kumba@gentoo.org>
5747 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5748 with 64-bit pointers.
5750 2006-05-02 Paul Brook <paul@codesourcery.com>
5752 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5754 (create_fix_barrier): Check that a suitable barrier location is
5756 (arm_reorg): Include ftmp->address in allowable range of addresses.
5758 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5761 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5764 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5767 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5768 around RESULT_DECL for result passed by reference.
5769 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5770 * omp-low.c (use_pointer_for_field): Don't look at
5771 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5772 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5773 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5774 time or var for passing by reference for
5775 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5776 TREE_ADDRESSABLE variables when passing by reference.
5778 * omp-low.c (dump_omp_region): Fix output formatting.
5781 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5782 (expand_omp_parallel): Likewise.
5783 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5786 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5787 on statement list containing also constructors and destructors.
5788 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5791 * except.c (duplicate_eh_regions): Fix clearing of
5792 cfun->eh->region_array entries.
5794 2006-05-01 DJ Delorie <dj@redhat.com>
5796 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5798 (gcc_cv_objdump): Likewise.
5799 * configure: Regenerated.
5801 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5804 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5805 templates for case 3 and 4.
5807 2006-05-01 DJ Delorie <dj@redhat.com>
5809 * vec.c: Include bconfig.h when appropriate.
5810 * Makefile.in (build/vec.o): Adjust dependencies.
5811 * mkconfig.sh: Make sure config.h isn't used for build machine
5814 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5816 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5818 (mark_phi_for_rewrite): New function.
5819 (insert_phi_nodes_for, mark_use_interesting): Call
5820 mark_phi_for_rewrite.
5821 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5822 (update_ssa): Initialize and free phis_to_rewrite.
5824 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5826 PR rtl-optimization/27291
5827 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5828 folded to a constant.
5830 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5832 PR tree-optimization/27283
5833 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5834 not whole # of iteration descriptions.
5835 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5836 uses abnormal ssa name.
5837 (niter_for_single_dom_exit): Ditto.
5838 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5839 return just the number of iterations.
5841 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5843 PR tree-optimization/27144
5844 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5845 (record_estimate): Only record constant upper bound.
5846 (infer_loop_bounds_from_undefined): Call
5847 compute_estimated_nb_iterations just once.
5848 (proved_non_wrapping_p): Renamed to ...
5849 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5850 (convert_step_widening, scev_probably_wraps_p): Call
5851 n_of_executions_at_most instead of proved_non_wrapping_p.
5852 (substitute_in_loop_info): Do not replace values in bounds.
5853 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5856 2006-05-01 Richard Henderson <rth@redhat.com>
5859 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5860 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5863 2006-05-01 Roger Sayle <roger@eyesopen.com>
5865 * c-typeck.c (parser_build_binary_op): Don't call the function
5866 unsigned_conversion_warning to spot operand/result type overflow.
5867 (build_binary_op): Instead, call convert_and_check instead of
5868 convert to report the problem when the operands are promoted.
5869 * c-common.c (unsigned_conversion_warning): Make static.
5870 * c-common.h (unsigned_conversion_warning): Delete prototype.
5872 2006-05-01 Richard Guenther <rguenther@suse.de>
5874 PR tree-optimization/26726
5875 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5877 (find_interesting_uses_address): ... we work around here
5878 by folding INDIRECT_REFs in the substituted base.
5880 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5882 * omp-low.c (dump_omp_region): Add newlines.
5884 2006-04-30 Roger Sayle <roger@eyesopen.com>
5886 * common.opt (Woverflow): New command line option.
5887 * c-common.c (constant_expression_warning): Check warn_overflow.
5888 (overflow_waring): Pass OPT_Woverflow to warning.
5889 (unsigned_conversion_warning): Likewise.
5890 (convert_and_check): Likewise.
5891 * doc/invoke.texi: Document new command line option.
5893 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5895 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5896 TARGET_NO_FP_IN_TOC for section anchors.
5897 (optimization_options): Enable section anchors for all
5898 non-"Objective" languages.
5900 2006-04-28 Eric Christopher <echristo@apple.com>
5902 * config/darwin-c.c (darwin_ms_struct): Move this
5903 (darwin_set_default_type_attributes): and this...
5904 * config/darwin.c: ... here.
5905 * config/darwin.h (darwin_ms_struct): Declare.
5907 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5909 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5911 2006-04-28 Roger Sayle <roger@eyesopen.com>
5914 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5915 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5916 an unsigned HOST_WIDE_INT.
5917 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5919 (really_start_incremental_init): No need to call convert because
5920 bitsize_zero_node is already of type bitsizetype.
5921 (push_init_level): Extract the value of constructor_index as an
5922 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5923 (process_init_element): Likewise.
5925 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5927 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5928 value before passing to make_relative_prefix.
5930 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5933 * builtins.c (expand_builtin_memset): Expand val in original mode.
5935 2006-04-27 Eric Christopher <echristo@apple.com>
5937 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5938 with #ifndef/#endif.
5939 * config/darwin-c.c (darwin_ms_struct): New.
5940 (darwin_pragma_ms_struct): Ditto.
5941 (darwin_set_default_type_attributes): Ditto.
5942 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5943 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5944 Register ms_struct pragma.
5945 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5946 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5947 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5948 darwin_set_default_type_attributes if TARGET_MACHO.
5950 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5952 PR tree-optimization/26854
5953 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5954 * doc/tree-ssa.texi: Update immuse iterator documentation.
5955 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5956 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5957 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5958 first_safe_imm_use, next_safe_imm_use): Remove.
5959 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5960 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5961 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5962 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5963 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5964 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5965 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5966 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5967 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5968 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5969 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5970 (perfect_nestify): Use new iterator.
5971 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5973 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5974 (next_imm_name): New field in struct immediate_use_iterator_d.
5975 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5976 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5977 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5978 * tree-cfg.c (replace_uses_by): Use new iterator.
5979 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5980 * tree-ssa-operands.c (correct_use_link): Remove.
5981 (finalize_ssa_use_ops): No longer call correct_use_link.
5983 2006-04-27 Stuart Hastings <stuart@apple.com>
5985 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5986 * config/t-darwin (crt3.o): Use it.
5987 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5988 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5989 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5990 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5991 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5994 2006-04-27 Roger Sayle <roger@eyesopen.com>
5996 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5997 size, force the intermediate into a new pseudo rather instead of
5998 performing both a bitwise AND and a bitwise IOR in memory.
6000 2006-04-27 Richard Guenther <rguenther@suse.de>
6002 PR rtl-optimization/26685
6003 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6004 this one "max-flow-memory-locations".
6006 2006-04-27 Richard Guenther <rguenther@suse.de>
6008 PR tree-optimization/25148
6009 * tree-vrp.c (compare_values): Remove code dealing with
6010 comparisons against type min/max value. Honour overflow
6011 and negative constants in code dealing with comparisons
6012 of plus and minus expressions.
6013 (value_inside_range): Use fold_binary with LE_EXPR and
6014 GE_EXPR rather than compare_values.
6016 2006-04-27 Dirk Mueller <dmueller@suse.de>
6018 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6021 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6023 * basic-block.h (safe_insert_insn_on_edge): Removed.
6024 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6026 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6027 Paolo Bonzini <bonzini@gnu.org>
6030 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6031 (simplify_and_const_int): Same.
6033 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6035 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6037 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6040 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6041 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6042 cgraph_global_info_ready.
6045 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6048 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6049 either decl or init is error_mark_node.
6052 * tree-flow.h (struct omp_region): Add sched_kind.
6053 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6054 instead of extracting omp for data.
6055 (expand_omp_for): Save extracted sched_kind.
6057 2006-04-25 Roger Sayle <roger@eyesopen.com>
6059 * expmed.c (store_bit_field): Also check whether the bitsize is
6060 valid for the machine's "insv" instruction before moving the
6061 target into a pseudo for use with the insv.
6062 * config/i386/predicates.md (const8_operand): New predicate.
6063 * config/i386/i386.md (extv, extzv, insv): Use the new
6064 const8_operand predicate where appropriate.
6066 2006-04-25 DJ Delorie <dj@redhat.com>
6068 * doc/install.texi (Specific): Clarify that this is not a list of
6069 supported hosts or targets.
6071 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6073 PR rtl-optimization/26725
6074 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6075 block's BB_DIRTY flag.
6077 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6079 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6082 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6083 to print an integer.
6085 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6087 * varasm.c (align_variable): New function.
6088 (get_block_for_decl): Apply align_variable to DECL before
6089 calculating section information.
6090 (assemble_variable): Split out alignment computation.
6092 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6094 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6097 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6099 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6100 MODE_PARTIAL_INT mode.
6101 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6102 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6104 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6105 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6107 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6109 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6111 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6112 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6113 MACFLAG_IH): Likewise.
6114 (movstricthi_1): Renamed from "*movstricthi".
6115 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6116 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6117 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6118 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6119 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6120 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6121 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6122 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6123 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6124 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6125 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6126 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6127 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6128 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6129 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6131 * doc/rtl.texi (ss_ashift): Improve wording.
6133 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6135 * dwarf2out.c (verify_marks_clear): New.
6136 (prune_unused_types): Call verify_marks_clear initially, not
6139 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6141 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6142 * doc/rtl.texi: Document them.
6143 * simplify-rtx.c (simplify_unary_operation,
6144 simplify_binary_operation_1): Don't abort when we see them.
6146 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6149 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6150 * configure.ac: Completely disregard languages that are not
6152 * configure: Regenerated.
6154 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6155 Richard Guenther <rguenther@suse.de>
6157 PR tree-optimization/27236
6158 * tree-inline.c (copy_body_r): Make sure to copy
6159 TREE_THIS_VOLATILE flag.
6161 2006-04-24 Richard Guenther <rguenther@suse.de>
6164 * tree-complex.c (update_parameter_components): Don't handle
6165 unused parameters which have no default def.
6167 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6168 Richard Guenther <rguenther@suse.de>
6170 PR tree-optimization/27218
6171 * tree-inline.c (expand_call_inline): Strip useless type
6172 conversions for the return slot address.
6174 2006-04-24 Richard Guenther <rguenther@suse.de>
6176 * cfgloop.h (struct loops): Remove unused field array. Reorder
6178 (LOOP_PREFETCH): Remove.
6180 2006-04-24 Richard Guenther <rguenther@suse.de>
6182 PR tree-optimization/22525
6183 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6184 variable, adjust types of generated expressions.
6186 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6188 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6189 (tree-vect-patterns.o): Likewise.
6191 (cselib.o): Likewise.
6192 (loop-doloop.o): Likewise.
6193 (regclass.o): Likewise.
6194 (reload1.o): Likewise.
6195 (explow.o): Replace target.h with $(TARGET_H).
6196 (ipa-prop.o): Likewise.
6197 (ipa-cp.o): Likewise.
6198 (ipa-inline.o): Likewise.
6199 (reorg.o): Likewise.
6200 (reg-stack.o): Likewise.
6202 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6204 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6206 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6208 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6210 * configure.ac: Completely disregard languages that are not
6212 * configure: Regenerated.
6215 * c-common.h (c_build_bitfield_integer_type): Declare.
6216 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6217 * c-common.c (c_build_bitfield_integer_type): ... here.
6219 2006-04-23 Roger Sayle <roger@eyesopen.com>
6222 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6223 a SImode SUBREG of a floating point register after no_new_pseudos.
6225 2006-04-23 Roger Sayle <roger@eyesopen.com>
6227 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6228 identify potentially eliminable registers to additionally catch
6229 VIRTUAL_INCOMING_ARGS_REGNUM.
6230 (addsi3): Update the conditions on when to use addsi_small_int.
6232 2006-04-23 Roger Sayle <roger@eyesopen.com>
6235 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6236 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6237 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6239 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6241 * fold-const.c (range_predecessor): Use operand_equal_p
6242 as the predicate for equality.
6243 (range_successor): Likewise.
6245 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6248 * config/soft-fp/op-common.h: Fix a typo.
6250 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6253 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6254 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6256 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6258 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6260 * doc/tm.texi: Fix a typo.
6262 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6264 * dwarf2out.c (struct die_struct): Document that die_sib makes
6265 a circular linked list.
6266 (FOR_EACH_CHILD): New.
6267 (reverse_die_lists): Delete.
6268 (reverse_all_dies): Delete.
6269 (add_dwarf_attr): Correct documentation.
6270 (remove_child_with_prev): New.
6271 (remove_child_TAG): Update for change to die_struct, use
6272 remove_child_with_prev.
6273 (add_child_die): Update for change to die_struct.
6274 (splice_child_die): Use remove_child_with_prev and add_child_die.
6275 (print_die): Use FOR_EACH_CHILD.
6276 (die_checksum): Likewise.
6277 (assign_symbol_names): Likewise.
6278 (output_location_lists): Likewise.
6279 (build_abbrev_table): Likewise.
6280 (calc_die_sizes): Likewise.
6281 (mark_dies): Likewise.
6282 (unmark_dies): Likewise.
6283 (unmark_all_dies): Likewise.
6284 (output_die): Likewise.
6285 (prune_unused_types_mark): Likewise.
6286 (prune_unused_types_walk): Likewise.
6287 (same_die_p): Update for change to die_struct.
6288 (break_out_includes): Likewise.
6289 (prune_unused_types_prune): Likewise.
6290 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6291 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6293 (dwarf2out_finish): Don't call reverse_all_dies.
6295 2006-04-21 Eric Christopher <echristo@apple.com>
6297 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6298 in comments and function names.
6300 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6303 * c-typeck.c (digest_init): Robustify.
6305 * c-typeck.c (pop_init_level): Simplify.
6307 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6309 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6311 2006-04-21 Paul Brook <paul@codesourcery.com>
6313 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6314 hardware floating point.
6316 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6318 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6321 2006-04-21 Nick Clifton <nickc@redhat.com>
6323 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6326 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6329 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6330 C++ lang type in traceback table for Objective-C++.
6332 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6334 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6336 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6338 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6341 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6342 were errors. Remove check for erroneous objects.
6344 2006-04-20 Jeff Law <law@redhat.com>
6346 PR tree-optimization/26854
6347 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6348 checking for zero or one use.
6349 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6350 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6351 * tree-ssa-reassoc.c (negate_value): Similarly.
6352 (reassociate_bb): Similarly.
6354 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6356 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6357 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6358 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6360 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6362 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6363 fp regs if the last fp arg doesn't fit in regs.
6365 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6368 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6369 that the last insn has the REG_INC note.
6371 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6372 Nathan Sidwell <nathan@codesourcery.com>
6375 * stor-layout.c (update_alignment_for_field): Do not align
6377 (place_union_field): Place union field at the start of the union.
6378 (place_field): Move ERROR_MARK check later, and use the current
6379 allocation position to maintain monotonicity.
6381 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6383 * dominance.c: Include timevar.h.
6384 (calculate_dominance_info): Use TV_DOMINANCE.
6385 * timevar.def (TV_DOMINANCE): New timevar.
6386 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6388 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6390 PR rtl-optimization/14261
6391 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6392 move would be an INSV insn.
6393 (noce_process_if_block): Don't optimize if the destination is a
6394 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6396 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6398 * config/s390/s390.md: Add comments with the instructions emitted
6399 by an insn pattern if macros are used.
6401 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6403 PR rtl-optimization/26026
6404 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6405 is a known power of two shifted left a variable amount.
6407 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6409 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6410 to hash table twice when the debug_str section has SECTION_MERGE.
6412 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6414 * config/soft-fp: New directory. From glibc.
6415 * config/soft-fp/t-softfp: New.
6416 * config/soft-fp/README: New.
6417 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6418 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6419 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6420 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6421 * config.gcc: Use rs6000/t-fprules-fpbit or
6422 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6424 * config/rs6000/sfp-machine.h: New. Based on glibc.
6425 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6427 * config/rs6000/t-fprules: Remove fp-bit rules.
6428 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6429 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6430 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6431 (softfp_wrap_start, softfp_wrap_end): New.
6433 2006-04-18 DJ Delorie <dj@redhat.com>
6435 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6437 2006-04-18 Devang Patel <dpatel@apple.com>
6439 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6441 2006-04-18 Nick Clifton <nickc@redhat.com>
6443 * config/sh/t-symbian: Add rule to build sh-c.o
6444 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6445 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6446 (sh_symbian_encode_section_info): Likewise.
6448 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6450 * builtins.c (expand_builtin_strcmp): Cover label definition of
6451 do_libcall with HAVE_cmpstrnsi.
6453 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6455 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6457 * function.h (temp_slot_p): New.
6458 (function): Change the type of x_used_temp_slots to
6459 VEC(temp_slot_p,gc) *.
6461 2006-04-18 Nick Clifton <nickc@redhat.com>
6463 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6464 flag_strength_reduce.
6466 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6468 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6472 Partial revert of revision 112637
6473 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6474 Dale Johannesen <dalej@apple.com>
6477 * regclass.c (struct reg_pref): Update documentation.
6478 (regclass): Set prefclass to NO_REGS if memory is the best option.
6479 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6481 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6483 PR tree-optimization/26821
6484 * tree-ssa-math-opts.c (get_constant_one): New.
6485 (insert_reciprocals): Use it.
6487 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6489 * dwarf2out.c (free_AT): Delete.
6490 (remove_AT): Update string ref counts.
6491 (remove_child_TAG): Don't call free_die.
6493 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6494 or DW_TAG_GNU_EINCL.
6495 (prune_unused_types_walk_attribs): Reset string refcounts.
6496 (prune_unused_types_update_strings): New.
6497 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6498 call free_die. Do call prune_unused_types_update_strings.
6499 (prune_unused_types): Empty debug_str_hash.
6501 2006-04-17 Roger Sayle <roger@eyesopen.com>
6503 * expr.c (expand_assignment): Optimize away no-op moves where the
6504 source and destination are equal and have no side-effects.
6506 2006-04-17 Richard Guenther <rguenther@suse.de>
6509 * reload.c (push_reload): Guard calls to get_secondary_mem
6512 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6514 * alias.c (reg_base_value, old_reg_base_value): Change the
6515 type to VEC(rtx,gc) *.
6516 (REG_BASE_VALUE, find_base_value, record_set,
6517 init_alias_analysis): Use VEC instead of VARRAY.
6519 * alias.c (alias_sets): Change the type to
6520 VEC(alias_set_entry,gc) *.
6521 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6522 VEC instead of VARRAY.
6523 (last_alias_set): Remove.
6525 * cgraph.h (cgraph_edge_p): New.
6526 Update the prototype of cgraph_function_versioning.
6527 * cgraphunit.c (cgraph_copy_node_for_versioning,
6528 cgraph_function_versioning): Use VEC instead of VARRAY.
6529 * ipa-cp.c (ipcp_insert_stage): Likewise.
6531 2006-04-16 Roger Sayle <roger@eyesopen.com>
6534 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6535 "A op B" or "A op C", we may need to convert A to the type of B and C.
6537 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6539 * target.h (struct gcc_target): Add mode_rep_extended.
6540 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6541 (init_num_sign_bit_copies_in_rep): Initialize it using
6543 (truncate_to_mode): Use it.
6544 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6545 * targhooks.h (default_mode_rep_extended): Declare it.
6546 * targhooks.c (default_mode_rep_extended): Define it.
6547 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6548 default_mode_rep_extended.
6549 (TARGET_INITIALIZER): Include it.
6550 * doc/tm.texi (Misc): Document it.
6551 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6552 (mips_truncated_to_mode): New function.
6554 2006-04-16 Roger Sayle <roger@eyesopen.com>
6557 * expr.c (compress_float_constant): Copy the narrow constant into
6558 a new pseudo before extending it to its final width.
6560 2006-04-16 Roger Sayle <roger@eyesopen.com>
6561 Andrew Pinski <pinskia@gcc.gnu.org>
6562 Dale Johannesen <dalej@apple.com>
6565 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6566 special case code to implement V8HImode and V16QImode with SSE2.
6568 2006-04-15 Roger Sayle <roger@eyesopen.com>
6570 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6571 trees are constructed with a suitable tree type.
6573 2006-04-15 Roger Sayle <roger@eyesopen.com>
6575 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6576 (integer_onep): Likewise.
6577 (integer_all_onesp): Likewise.
6578 (integer_pow2p): Likewise.
6579 (integer_nonzerop): Likewise.
6580 (real_zerop): Likewise.
6581 (real_onep): Likewise.
6582 (real_twop): Likewise.
6583 (real_minus_onep): Likewise.
6584 (int_size_in_bytes): Likewise.
6585 (host_integerp): Likewise.
6587 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6589 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6590 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6591 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6593 * tree-ssa-structalias.h (alias_info): Remove num_references.
6595 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6597 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6598 (output_bvb patterns): Likewise.
6599 * pa.c (output_bb): Use 'bb' insn for long branch case.
6600 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6601 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6602 1. Correct length operand for alternatives 1 and 2.
6603 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6604 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6606 2006-04-14 Roger Sayle <roger@eyesopen.com>
6608 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6609 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6610 were accidentally reverted by r112959.
6612 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6615 * except.h (eh_region_outermost): New prototype.
6616 * except.c (eh_region_outermost): New function.
6617 * tree-cfg.c (find_outermost_region_in_block): Use it.
6619 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6621 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6623 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6624 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6625 (init_reload, reload): Use VEC instead of VARRAY.
6626 * reload.h: Update the prototype for
6627 reg_equiv_memory_loc_varray.
6629 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6630 Eric Botcazou <ebotcazou@libertysurf.fr>
6632 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6635 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6638 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6639 to expand fallback builtin function call.
6641 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6644 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6645 and emit libcall here in case the builtin fails.
6646 (expand_builtin_strcmp): Always emit the libcall here on failure.
6648 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6650 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6651 * flow.c (reg_n_info): Change the type to
6652 VEC(reg_info_p,heap) *.
6653 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6655 * regs.h (reg_info_p): New.
6656 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6657 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6658 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6661 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6663 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6665 * params.h (MAX_SCHED_READY_INSNS): New macro.
6666 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6667 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6668 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6669 the ready list for 1 cycle during the first scheduling pass.
6670 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6672 2006-04-13 Richard Henderson <rth@redhat.com>
6675 * gimple-low.c (lower_omp_directive): Remove dead code.
6676 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6677 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6678 * omp-low.c (struct omp_region): Move to tree-flow.h.
6679 (root_omp_region): Export.
6680 (omp_regions, lookup_omp_region): Remove.
6681 (determine_parallel_type): Update for struct omp_region changes.
6682 (dump_omp_region): Dump regions with block numbers.
6683 (new_omp_region): Take type and block instead of stmt; malloc
6685 (free_omp_region_1, free_omp_regions): New.
6686 (expand_parallel_call): Take entry_stmt as argument; update for
6687 changes to omp_region.
6688 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6689 (remove_exit_barriers): New.
6690 (expand_omp_parallel): Update for struct omp_region changes.
6691 (expand_omp_synch): Likewise.
6692 (expand_omp): Likewise.
6693 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6694 (expand_omp_for_static_chunk): Likewise.
6695 (expand_omp_for): Likewise.
6696 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6697 (expand_omp_sections): Similarly, with GOMP_sections_end.
6698 (expand_omp_single): New.
6699 (build_omp_regions_1): Update for OMP_CONTINUE.
6700 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6701 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6702 OMP_SECTIONS_SECTIONS.
6703 (lower_omp_single_simple): Don't emit barrier here.
6704 (lower_omp_single_copy): Likewise.
6705 (lower_omp_single): Fix bindings, and lower to straightline now.
6706 (lower_omp_master, lower_omp_ordered): Likewise.
6707 (lower_omp_critical): Likewise.
6708 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6709 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6710 omp edges, free it afterward.
6711 (make_omp_sections_edges): Remove.
6712 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6713 (move_stmt_r): Handle OMP_CONTINUE.
6714 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6715 statement pointers to basic blocks. Add type member.
6716 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6717 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6718 * tree-inline.c (estimate_num_insns_1): Likewise.
6719 * tree-pretty-print.c (dump_generic_node): Likewise.
6720 * tree-ssa-operands.c (get_expr_operands): Likewise.
6721 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6722 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6723 (OMP_CONTINUE): New.
6724 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6725 (OMP_SECTIONS_SECTIONS): Remove.
6726 (OMP_SECTION_LAST): New.
6727 (OMP_RETURN_NOWAIT): New.
6729 2006-04-13 Roger Sayle <roger@eyesopen.com>
6731 * fold-const.c (native_encode_vector, native_interpret_real):
6732 Correct obvious mistakes in the previous check-in.
6734 2006-04-13 Roger Sayle <roger@eyesopen.com>
6736 * fold-const.c (native_encode_expr): New function to encode
6737 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6738 or VECTOR_CST into a specified buffer.
6739 (native_encode_int): New function.
6740 (native_encode_real): New function.
6741 (native_encode_complex): New function.
6742 (native_encode_vector): New function.
6743 (native_interpret_expr): Inverse of native_encode_expr to convert
6744 a target representation into an INTEGER_CST, REAL_CST etc...
6745 (native_interpret_int): New function.
6746 (native_interpret_real): New function.
6747 (native_interpret_complex): New function.
6748 (native_interpret_vector): New function.
6749 (fold_view_convert_expr): New function to constant fold/evaluate
6750 a VIEW_CONVERT_EXPR of a suitable constant expression.
6751 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6752 Change call of build1 to fold_build1 when constructing a
6755 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6756 Ulrich Weigand <uweigand@de.ibm.com>
6759 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6762 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6765 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6766 optimize to lo_sum for DFmode if !TARGET_FPRS.
6768 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6770 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6771 delete_alias_info, compute_flow_sensitive_aliasing,
6772 group_aliases): Use VEC instead of VARRAY.
6773 * tree-ssa-structalias.c (update_alias_info): Likewise.
6774 * tree-ssa-structalias.h (alias_info): Change the type of
6775 processed_ptrs to VEC(tree,heap) *.
6777 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6780 * config/sh/lib1funcs.h: New file, broken out of:
6781 * config/sh/lib1funcs.asm.
6782 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6784 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6785 * config/sh/lib1funcs-Os-4-200.asm: New file.
6786 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6787 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6788 (EXTRA_MULTILIB_PARTS): Include it.
6789 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6790 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6791 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6792 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6795 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6797 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6798 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6799 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6801 * tree-ssa-live.h: Include vecprim.h.
6802 (tree_partition_associator_d): Change the type of
6803 first_partition to VEC(int,heap) *.
6804 (tpa_first_partition): Use VEC instead of VARRAY.
6806 * Makefile.in (GTFILES): Move functions.h after tree.h.
6807 * function.c (reset_block_changes, record_block_change,
6808 check_block_change, free_block_changes): Use VEC instead of
6810 * function.h (function): Change the type of
6811 ib_boundaries_block to VEC(tree,gc) *.
6812 * tree-inline.c (copy_cfg_body): Initialize
6813 ib_boundaries_block to NULL instead of (varray_type) 0.
6815 2006-04-12 Roger Sayle <roger@eyesopen.com>
6817 * expr.c (emit_group_store): Correct operand order in call to
6818 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6819 a SUBREG_BYTE of zero.
6821 2006-04-12 Richard Guenther <rguenther@suse.de>
6823 * profile.c (compute_branch_probabilities): Remove code
6824 encapsulated in !ir_type (), which are remanents of the
6825 removed RTL profiling code.
6826 * rtl-profile.c: Remove.
6828 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6830 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6831 magic NULL_RTX comment.
6832 (function_arg): Store entire fp arg to mem if any part should go
6834 (rs6000_arg_partial_bytes): Adjust for above change.
6836 2006-04-11 Roger Sayle <roger@eyesopen.com>
6838 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6839 if it hasn't been initialized by dwarf2out_init.
6841 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6843 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6844 symbolic constants in branch patterns.
6846 2006-04-11 Roger Sayle <roger@eyesopen.com>
6848 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6850 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6852 PR rtl-optimization/27073
6853 * gcse.c (try_replace_reg): Revert last change. Continue to search
6854 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6857 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6859 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6860 aggregate types other than record and union types.
6861 (function_arg): Likewise.
6862 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6864 (function_value): In 64-bit mode, return objects that require it
6867 2006-04-11 Roger Sayle <roger@eyesopen.com>
6869 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6871 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6873 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6875 2006-04-03 Jeff Law <law@redhat.com>
6878 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6879 alias information too.
6881 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6883 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6885 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6888 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6889 (premark_used_types_helper): New.
6890 (premark_used_types): New.
6891 (gen_subprogram_die): Call premark_used_types.
6892 (prune_unused_types_walk): Do not prune perennial dies.
6893 * function.c (used_types_insert): New.
6894 * function.h (struct function): Add used_types_hash field.
6895 (used_types_insert): Add prototype.
6896 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6897 * c-parser.c (c_parser_cast_expression): Save casted types in used
6900 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6903 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6904 rs6000_explicit_options.float_gprs.
6906 2006-04-10 Roger Sayle <roger@eyesopen.com>
6908 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6909 from ix86_expand_vector_init_low_nonzero. Take an additional
6910 one_var argument indicating which element is non-zero. Support
6911 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6912 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6913 with one_var instead of ix86_expand_vector_init_low_nonzero.
6915 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6917 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6918 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6919 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6920 build/genextract.o): Depend on vecprim.h.
6921 * cfglayout.c, df-problems.c, function.c, genextract.c,
6922 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6923 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6927 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6929 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6930 Declare VECs of this type.
6931 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6932 (remove_children): Delete.
6933 (add_dwarf_attr): Use VEC routines.
6934 (add_AT_flag): Update for changes to add_dwarf_attr.
6935 (add_AT_int): Likewise.
6936 (add_AT_unsigned): Likewise.
6937 (add_AT_long_long): Likewise.
6938 (add_AT_vec): Likewise.
6939 (add_AT_string): Likewise.
6940 (add_AT_die_ref): Likewise.
6941 (add_AT_fde_ref): Likewise.
6942 (add_AT_loc): Likewise.
6943 (add_AT_loc_list): Likewise.
6944 (add_AT_addr): Likewise.
6945 (add_AT_lbl_id): Likewise.
6946 (add_AT_lineptr): Likewise.
6947 (add_AT_macptr): Likewise.
6948 (add_AT_offset): Likewise.
6949 (add_AT_range_list): Likewise.
6950 (get_AT): Use VEC_iterate.
6951 (remove_AT): Use VEC_ordered_remove.
6952 (free_die): Fold remove_children into here; have it use VEC_iterate.
6953 (print_die): Use VEC_iterate on attrs.
6954 (reverse_die_lists): Don't reverse attr lists.
6955 (die_checksum): Use VEC_iterate on attrs.
6956 (same_die_p): Likewise.
6957 (output_location_lists): Likewise.
6958 (build_abbrev_table): Likewise.
6959 (size_of_die): Likewise.
6960 (unmark_all_dies): Likewise.
6961 (output_abbrev_section): Likewise.
6962 (output_die): Likewise.
6963 (prune_unused_types_walk_attribs): Likewise.
6965 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6967 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6969 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6972 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6974 2006-04-09 Roger Sayle <roger@eyesopen.com>
6976 * expr.c (store_constructor): Don't bother clearing target if
6977 we're about to assign a vector to it using vec_init_optab.
6979 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6981 * tree-ssa-alias.c (lhs_may_store_to): New function.
6982 (recalculate_used_alone): Handle LHS of calls.
6984 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6988 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6989 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6990 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6991 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6992 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6993 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6994 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6995 stubs. Add ".align 8" directives before all ".dword" directives.
6996 (GTHREAD_USE_WEAK): Revise comment.
6997 (TARGET_ATTRIBUTE_WEAK): Define.
6998 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6999 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7000 * stublib.c: New file.
7005 * pa.md (cbranch patterns): Revise arguments used in calls to
7006 output_cbranch, output_bb and output_bvd. Add long branch length
7008 (fbranch patterns): Handle long branches.
7009 (jump): Revise length check. Revise arguments for output_lbranch call.
7010 Add long branch length attributes.
7011 (decrement_and_branch_until_zero): Add long branch length attributes.
7012 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7013 Likewise. Revise arguments for output_parallel_addb and
7014 output_parallel_movb calls.
7015 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7016 output_parallel_movb and output_parallel_addb): Update prototypes.
7017 * pa.c (output_cbranch): Revise arguments. Correct handling of
7018 nullification in long branches.
7019 (output_lbranch): Add new argument to control extraction of delay
7021 (output_bb): Handle long branches.
7022 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7023 output_parallel_addb): Likewise.
7025 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7027 PR rtl-optimization/27073
7028 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7031 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7033 * tree.h (tree_memory_tag): Add old_used_alone.
7034 (SMT_OLD_USED_ALONE): New macro.
7035 * tree-ssa-alias.c (recalculate_used_alone): Stop
7036 marking things for renaming unnecessarily.
7038 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7040 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7041 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7042 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7043 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7044 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7045 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7046 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7047 spelling convensions.
7048 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7049 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7050 typos. Follow spelling conventions.
7052 2006-04-07 DJ Delorie <dj@redhat.com>
7054 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7055 passed on the stack.
7056 (m32c_init_cumulative_args): When a function returns a structure,
7057 always pass the pointer to that return area on the stack.
7058 (m32c_function_arg_advance): Don't increment the parameter number
7059 if we're processing the returned structure pointer.
7060 (pushm_info): Reverse order of registers.
7062 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7064 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7065 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7066 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7067 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7069 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7070 chrec_fold_multiply): Same.
7071 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7072 force_expr_to_var_cost): Same.
7073 * tree-mudflap.c (mf_xform_derefs_1): Same.
7074 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7076 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7078 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7079 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7082 2006-04-07 Jan Hubicka <jh@suse.cz>
7084 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7086 2006-04-07 Richard Guenther <rguenther@suse.de>
7088 PR tree-optimization/26135
7089 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7090 loads for store copy-prop.
7091 (copy_prop_visit_stmt): Likewise.
7093 2006-04-05 Robert Millan <robertmh@gnu.org>
7095 * config/i386/linux.h: Add a comment to mark macros that are
7096 being overriden in config/k*bsd-gnu.h.
7097 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7099 * config/knetbsd-gnu.h: Ditto.
7101 2006-04-06 Jan Hubicka <jh@suse.cz>
7105 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7108 2006-04-06 Mike Stump <mrs@apple.com>
7110 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7111 for HAVE_nonlocal_goto to be consistent.
7112 (expand_builtin_nonlocal_goto): Likewise.
7113 (expand_builtin_strcmp): Use #ifdef instead of #if
7114 for HAVE_cmpstrnsi to be consistent.
7116 2006-04-05 DJ Delorie <dj@redhat.com>
7118 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7121 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7123 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7124 got-relative addressing for anything but SImode.
7126 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7127 even if the calling function doesn't modify them.
7129 2006-04-05 Richard Guenther <rguenther@suse.de>
7131 PR tree-optimization/26919
7132 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7133 to cgraph_estimate_size_after_inlining.
7135 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7137 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7139 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7141 PR tree-optimization/26996
7142 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7143 VECTOR_TYPE variables.
7145 2006-04-05 Richard Guenther <rguenther@suse.de>
7147 PR tree-optimization/26763
7148 * fold-const.c (fold_comparison): Move folding of
7149 PTR + CST CMP PTR + CST ...
7150 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7152 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7154 * doc/install.texi (Prerequisites): Refine some wording on
7155 bootstrapping and ksh.
7156 Move the version numbers of DejaGnu here from the testing section
7157 and fix casing of names.
7158 Fix markup and clarify wording for autogen requirements.
7159 Refer to GCJ instead of just java.
7160 Refer to SVN instead of CVS.
7161 Describe diffutils as useful instead of necessary.
7162 (Downloading the source): Refer to SVN instead of CVS.
7163 Adjust a link to our web site accordingly.
7164 (Configuration): Fix casing of Bison.
7165 (Building): Refer to SVN instead of CVS.
7166 Fix a sentence on the use of Bison and remove duplicate (and
7167 incorrect) version number of Bison requirement.
7168 Remove one redundant list of packages needed for building.
7169 (Specific): Avoid reference to CVS.
7171 2006-04-04 Eric Christopher <echristo@apple.com>
7173 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7174 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7175 (rs6000_handle_struct_attribute): New.
7176 (rs6000_ms_bitfield_layout_p): Ditto.
7178 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7180 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7181 NULL for dso parameter to atexit_common.
7183 2006-04-04 Eric Christopher <echristo@apple.com>
7185 * config/i386/i386.c (machopic_output_stub): Output \t
7186 between instructions and operands.
7188 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7190 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7191 satisfies_constraint_[IL] to explicit tests on value.
7193 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7195 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7196 set_nb_iterations_in_loop): Use build_int_cst instead of
7198 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7199 build_int_cst instead of convert.
7201 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7203 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7204 new value 2 for incoming.
7205 * function.c (expand_function_start): Call struct_value_rtx
7207 * config/sparc/sparc.md: Comment updated_return.
7208 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7209 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7210 struct return if sparc_std_struct_return and incoming is 2.
7211 (print_operand): Do not adjust return if
7212 sparc_std_struct_return.
7214 2006-04-04 Roger Sayle <roger@eyesopen.com>
7216 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7217 convert in the middle-end.
7218 * expr.c (store_expr, store_constructor, get_inner_reference,
7219 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7221 * tree.c (build_range_type): Likewise.
7223 2006-04-04 Tom Tromey <tromey@redhat.com>
7225 * doc/install.texi (Prerequisites): Mention jar.
7227 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7229 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7232 2006-04-04 Matthias Klose <doko@debian.org>
7234 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7238 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7241 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7243 * doc/extend.texi (Function Attributes): Rewrite visibility
7244 attribute documentation.
7245 * doc/invoke.texi (C++ Dialect Options): Rewrite
7246 -fvisibility-inlines-hidden documentation to describe something
7247 entirely different, although in practise compatible.
7248 (Code Gen Options): Warn about system headers in -fvisibility=
7251 * doc/extend.texi (Other Builtins): Document that
7252 __builtin_nan is a compile-time constant only when its argument
7255 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7257 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7258 trying to remove TRUNCATE check if all bits outside the new mode
7259 are identical to the sign bit.
7261 2006-04-03 Jeff Law <law@redhat.com>
7263 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7264 and operand scanning in some common cases.
7266 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7267 Dale Johannesen <dalej@apple.com>
7270 * regclass.c (struct reg_pref): Update documentation.
7271 (regclass): Set prefclass to NO_REGS if memory is the best option.
7272 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7273 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7274 into account. For non-registers, equate an empty preferred
7275 reload class to a `!' in the constraint; move the if clause to
7276 do so after those that reject the insn.
7277 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7279 (find_dummy_reload): Likewise.
7280 * doc/tm.texi (Register Classes): Document what it means
7281 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7282 * config/i386/i386.c (ix86_preferred_reload_class): Force
7283 using SSE registers (and return NO_REGS for floating-point
7284 constants) if math is done with SSE.
7285 (ix86_preferred_output_reload_class): New.
7286 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7287 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7288 * config/i386/i386.md: Remove # register preferences.
7290 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7293 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7294 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7295 the type of nb_iter.
7296 (instantiate_parameters_1): Convert the operands before calling
7297 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7298 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7300 2006-04-02 Roger Sayle <roger@eyesopen.com>
7302 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7303 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7305 * dojump.c (do_jump): Likewise.
7306 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7307 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7308 gimplify_boolean_expr): Likewise.
7309 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7310 * varasm.c (array_size_for_constructor): Likewise.
7311 * tree-object-size.c (compute_object_offset): Likewise.
7313 2006-04-02 Roger Sayle <roger@eyesopen.com>
7316 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7317 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7319 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7321 PR tree-optimization/26939
7322 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7324 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7326 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7327 at_stmt. Convert the type of operands before calling
7328 build_polynomial_chrec.
7329 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7331 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7332 (instantiate_parameters_1): Convert the type of operands before calling
7333 build_polynomial_chrec.
7334 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7335 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7336 reset_evolution_in_loop): Insert asserts to check the types of the
7338 (chrec_type): Moved...
7339 (eq_evolutions_p): Use operand_equal_p.
7340 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7341 the types of the operands.
7342 (chrec_type): ...here.
7343 * tree-data-ref.c (create_data_ref): Convert the operands before
7344 calling chrec_replace_initial_condition.
7345 (same_access_functions, analyze_subscript_affine_affine,
7346 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7347 (compute_subscript_distance, analyze_ziv_subscript,
7348 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7349 analyze_miv_subscript): Convert the operands before calling
7350 chrec_fold_minus or chrec_fold_plus.
7352 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7354 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7355 the dependence_relations vector.
7356 (compute_data_dependences_for_loop): Adjust call to
7357 compute_all_dependences.
7359 2006-04-01 Roger Sayle <roger@eyesopen.com>
7360 Richard Henderson <rth@redhat.com>
7362 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7363 gimple_boolify on the condition before calling gimplify_expr.
7365 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7367 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7368 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7369 the frame size. Update to use the new macros.
7370 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7371 * config/xtensa/ieee754-df.S: Likewise.
7373 2006-03-31 Richard Henderson <rth@redhat.com>
7375 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7376 (make_edges): ... here. Control fallthru creation with a local
7377 variable. Do not play with fake edges.
7378 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7379 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7382 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7384 * dwarf2.h (DW64_CIE_ID): Define.
7385 * dwarf2out.c (DWARF_CIE_ID): Define.
7386 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7387 length header. Use DWARF_CIE_ID.
7388 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7389 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7391 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7393 * config/sh/linux-atomic.asm: New file.
7394 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7396 2006-03-31 DJ Delorie <dj@redhat.com>
7398 * config/m32c/cond.md: Set condition flags properly throughout.
7399 * config/m32c/minmax.md: Likewise.
7400 * config/m32c/prologue.md: Likewise.
7401 * config/m32c/bitops.md: Likewise.
7402 * config/m32c/muldiv.md: Likewise.
7403 * config/m32c/mov.md: Likewise.
7404 * config/m32c/addsub.md: Likewise.
7405 * config/m32c/m32c.md: Likewise.
7406 * config/m32c/jump.md: Likewise.
7407 * config/m32c/shift.md: Likewise.
7409 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7410 conditionally output the pattern for this.
7411 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7412 (m32c_compare_redundant): New.
7413 (m32c_output_compare): New.
7414 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7416 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7417 dest, not src. Allow other 4-byte modes.
7419 2006-03-30 Denis Chertykov <denisc@overta.ru>
7421 * doc/md.texi: Refer to avr/constraints.md instead of
7424 2006-03-30 Roger Sayle <roger@eyesopen.com>
7426 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7427 signed vs. unsigned comparison failures on some hosts.
7429 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7432 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7433 change to FLOAT_REGS.
7435 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7436 (rs6000_override_options): Use it.
7437 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7438 only for -mabi=spe/no-spe and -mabi=altivec.
7440 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7442 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7445 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7447 * Makefile.in: Rename docdir to gcc_docdir.
7449 2006-03-30 Roger Sayle <roger@eyesopen.com>
7452 * expr.c (emit_group_store): Optimize group stores into a pseudo
7453 register by using a paradoxical subreg to initialize the destination
7454 if the first or last member of the group specifies a "low part".
7456 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7459 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7460 * target.h (struct gcc_target.speculate_insn): Change type of the
7461 second parameter to 'int'.
7462 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7463 the second operand of the DEPS_LIST.
7464 (copy_DEPS_LIST_list): Update reference to the second operand of the
7466 * rtl.h (alloc_DEPS_LIST): Update signature.
7467 * sched-int.h (ds_t): Change typedef to 'int'.
7468 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7470 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7472 * haifa-sched.c (try_ready): Change condition to restore
7473 non-speculative pattern of the instruction.
7474 (process_insn_depend_be_in_spec): Code to keep probability of the
7475 speculative dependence non-decreasing.
7477 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7479 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7480 (single_move_for_movmem): ... this. Also change all uses.
7481 (bfin_expand_strmov): Renamed to...
7482 (bfin_expand_movmem): ... this. Also change all uses.
7483 * config/bfin/bfin.md (movstrsi): Renamed to...
7484 (movstrsi): ...this.
7486 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7488 PR tree-optimization/26830
7490 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7491 (copy_prop_visit_stmt): Remove write-only variable ann.
7492 (init_copy_prop): Check variable loop depth here. Do not simulate
7493 memory-tag and virtual operand PHIs except for store copy prop.
7495 2006-03-30 Richard Guenther <rguenther@suse.de>
7497 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7498 variants with double arguments.
7500 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7502 * genpreds.c (write_tm_constrs_h): Delete variable p.
7503 * genconditions.c (write_header): Add tm-constrs.h to included
7505 * genpeep.c (main): Add toplev.h to included headers.
7506 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7507 (build/genpeep.o): Add toplev.h dependency.
7508 * config/rs6000/constraints.md: Add "W" constraint.
7510 2006-03-29 Roger Sayle <roger@eyesopen.com>
7512 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7513 sizes by correctly testing whether the size fits a host integer.
7514 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7515 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7516 SImode range for the default sizetype and bitsizetype.
7518 2006-03-29 Roger Sayle <roger@eyesopen.com>
7520 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7521 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7522 quickly if the argument is already of the correct type.
7523 Call fold_build1 instead of build1. Tidy up blank lines.
7525 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7527 * genemit.c (main): Add tm-constrs.h to included headers.
7528 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7529 * genpeep.c (main): Add tm-constrs.h to included headers.
7530 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7531 (write_tm_constrs_h): this and write complete file.
7532 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7533 (write_insn_preds_c): Add tm-constrs.h to included headers.
7534 (gen_constrs): New variable.
7535 (parse_option): Parse "-c".
7536 (main): Invoke write_tm_constrs_h.
7537 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7538 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7539 (object_out_file): Add tm-constrs.h dependency.
7540 (insn-emit.o): Same.
7541 (insn-output.o): Same.
7542 (insn-peep.o): Same.
7543 (insn-preds.o): Same.
7544 (insn-recog.o): Same.
7545 (tm-constsr.h): New target.
7546 (s-constrs-h): New target.
7548 * config/rs6000/constraints.md: New file.
7549 * config/rs6000/rs6000.c: Include tm-constrs.h.
7550 (num_insn_constant_wide): Convert to satisfies_constraint.
7551 (rs6000_rtx_costs): Convert to satisfies_constraint.
7552 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7553 (CONST_OK_FOR_LETTER_P): Delete.
7554 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7555 (EXTRA_CONSTRAINT): Delete.
7556 (EXTRA_MEMORY_CONSTRAINT): Delete.
7557 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7558 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7559 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7560 satisfies_constraint.
7562 * config/i386/i386.c: Include tm-constrs.h.
7564 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7566 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7567 * tree-data-ref.c (find_data_references_in_loop,
7568 compute_data_dependences_for_loop): Use pointers to VEC.
7569 (analyze_all_data_dependences): Adjust calls.
7570 * tree-data-ref.h (find_data_references_in_loop,
7571 compute_data_dependences_for_loop): Adjust declarations.
7572 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7573 compute_data_dependences_for_loop.
7575 2006-03-29 Paul Brook <paul@codesourcery.com>
7577 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7580 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7582 PR tree-optimization/26859
7583 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7585 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7586 for the step after fold_convert.
7588 2006-03-29 Paul Brook <paul@codesourcery.com>
7590 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7591 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7593 2006-03-29 Paul Brook <paul@codesourcery.com>
7596 * targhooks.c (default_narrow_bitfield): New fuction.
7597 * targhooks.h (default_narrow_bitfield): add prototype.
7598 * target.h (gcc_target): Add narrow_volatile_bitfield.
7599 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7600 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7601 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7602 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7604 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7606 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7608 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7609 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7610 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7611 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7612 (s390_function_arg_float): Allow SDmode and DDmode values to be
7613 passed in floating point registers.
7614 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7615 check with SCALAR_FLOAT_MODE_P.
7616 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7618 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7620 PR tree-optimization/25985
7621 * tree-ssa-loop-niter.c (number_of_iterations_le,
7622 number_of_iterations_ne): Make comments more precise.
7623 (number_of_iterations_cond): Add only_exit argument. Use the
7624 fact that signed variables do not overflow only when only_exit
7626 (loop_only_exit_p): New.
7627 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7628 number_of_iterations_cond.
7630 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7632 PR tree-optimization/26643
7633 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7636 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7638 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7639 (divsi3_i4_int): Likewise.
7641 2006-03-28 Roger Sayle <roger@eyesopen.com>
7643 * expr.c (emit_group_store): Only create a new pseudo reg if the
7644 quantity it needs to hold isn't already a suitable pseudo.
7646 2006-03-28 Jeff Law <law@redhat.com>
7648 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7649 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7651 2006-03-28 Roger Sayle <roger@eyesopen.com>
7653 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7654 the equivalent ~X & Y, and the symmetry related transformations.
7655 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7656 ~X & Y, and symmetry related transforms.
7658 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7660 Revert my 2006-03-27 patches.
7662 2006-03-28 Roger Sayle <roger@eyesopen.com>
7664 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7665 ~(T1)X, when T1 and T2 are integer types of the same precision
7666 and (T2)X isn't an extension.
7668 2006-03-28 Jeff Law <law@redhat.com>
7670 PR tree-optimization/26796
7671 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7672 need EH edge cleanups rather than purging them immediately.
7673 (eliminate_degenerate_phis): Handle queued EH cleanups.
7675 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7677 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7680 2006-03-27 Roger Sayle <roger@eyesopen.com>
7683 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7684 cast BIT_NOT_EXPR operand to the correct type.
7686 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7688 * tree-loop-linear.c: Don't include varray.h.
7689 (gather_interchange_stats, try_interchange_loops,
7690 linear_transform_loops): Use VEC instead of VARRAY.
7691 * lambda-mat.c: Don't include varray.h.
7692 * tree-chrec.c: Same.
7693 * lambda-trans.c: Same.
7694 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7695 VEC instead of VARRAY.
7696 * tree-vectorizer.h: Idem.
7697 * tree-data-ref.c (dump_data_references,
7698 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7699 initialize_data_dependence_relation, finalize_ddr_dependent,
7700 compute_all_dependences, find_data_references_in_loop,
7701 compute_data_dependences_for_loop, analyze_all_data_dependences,
7702 free_dependence_relation, free_dependence_relations,
7703 free_data_refs): Idem.
7704 * tree-data-ref.h (data_reference_p, subscript_p): New.
7705 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7706 VEC instead of VARRAY.
7707 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7708 (find_data_references_in_loop, compute_data_dependences_for_loop,
7709 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7710 dump_data_dependence_relations, free_dependence_relations,
7711 free_data_refs): Adjust declaration.
7712 (lambda_transform_legal_p): Move declaration here...
7713 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7714 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7715 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7716 vect_analyze_data_refs): Use VEC instead of VARRAY.
7717 * lambda.h (lambda_transform_legal_p): ...from here.
7718 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7719 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7720 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7721 tree-chrec.o): Don't depend on VARRAY_H.
7723 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7725 * rtl.def (Copyright): Update date.
7726 (DEPS_LIST): Change type of the second operand to 'int'.
7727 * target.h (Copyright): Update date.
7728 (struct gcc_target.speculate_insn): Change type of the second parameter
7730 * lists.c (Copyright): Update date.
7731 (alloc_DEPS_LIST): Change signature. Update reference to the second
7732 operand of the DEPS_LIST.
7733 (copy_DEPS_LIST_list): Update reference to the second operand of the
7735 * rtl.h (Copyright): Update date.
7736 (alloc_DEPS_LIST): Update signature.
7737 * sched-int.h (Copyright): Update date.
7738 (ds_t): Change typedef to 'int'.
7739 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7741 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7743 * haifa-sched.c (Copyright): Update date.
7744 (try_ready): Change condition to restore non-speculative pattern
7746 (process_insn_depend_be_in_spec): Code to keep probability of the
7747 speculative dependence non-decreasing.
7749 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7751 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7752 shut up the compiler.
7754 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7756 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7757 to use lib prefix for target.
7758 ($(T)libic_invalidate_array_4-200.a): Likewise.
7759 ($(T)libic_invalidate_array_4a.a): Likewise.
7761 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7762 J"orn Rennecke <joern.rennecke@st.com>
7764 * superh.opt: New file.
7765 * sh.c (boardtype, osruntime): Remove.
7766 * superh.h (SUBTARGET_OPTIONS): Remove.
7767 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7769 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7770 arguments with ^ and/or [].
7772 * config.gcc (sh-*-*): Add quoting to account for quirk of
7774 Replace == with = in enable_incomplete_targets test.
7776 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7777 with MASK_LITTLE_ENDIAN.
7779 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7780 * config/sh/sh.opt: Added to some comments.
7781 * config/sh/superh.h: Removed some chaff.
7783 * config/sh/sh.opt: Add m4-[1234]00* options.
7784 * config/sh/sh.c (sh_handle_option): Likewise.
7785 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7786 (ic_invalidate_array_4-100.o): New rule.
7787 ($(T)libic_invalidate_array_4-100.a): Likewise.
7788 (ic_invalidate_array_4-200.o): Likewise.
7789 ($(T)libic_invalidate_array_4-200.a): Likewise.
7790 (ic_invalidate_array_4a.o): Likewise.
7791 ($(T)libic_invalidate_array_4a.a): Likewise.
7792 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7793 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7795 * config/sh/crt1.asm: Merged in profiling code.
7796 * config/sh/superh.h (STARTFILE_SPEC): Override.
7797 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7798 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7799 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7801 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7802 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7803 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7805 * sh.opt (mpretend-cmove): New option.
7806 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7807 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7808 (movsicc): Add TARGET_PRETEND_CMOVE code.
7810 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7812 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7813 s390_class_max_nregs): New function prototypes.
7814 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7815 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7816 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7817 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7819 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7821 * dwarf2out.c (add_location_or_const_value_attribute): Call
7822 tree_add_const_value_attribute if nothing else works.
7823 (reference_to_unused): New.
7824 (rtl_for_decl_init): Use reference_to_unused to decide whether
7825 to output an initializer.
7827 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7830 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7831 peephole removing spe frob_di_df_2.
7833 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7835 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7836 (subscript_dependence_tester_1): Declared.
7837 (print_dir_vectors, print_dist_vectors): New.
7838 (debug_data_dependence_relation): New.
7839 (dump_data_dependence_relation): Print more details.
7840 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7841 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7842 (save_dist_v, save_dir_v, add_outer_distances,
7843 build_classic_dist_vector_1): New.
7844 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7845 Don't test for lambda_vector_lexico_pos.
7846 (same_access_functions, add_multivariate_self_dist,
7847 add_other_self_distances, dir_from_dist): New.
7848 (build_classic_dir_vector): Replace implementation almost identical to
7849 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7851 (subscript_dependence_tester_1): New.
7852 (subscript_dependence_tester): Handle the lexicographically negative
7853 distance vectors by recomputing the dependence relation.
7854 (compute_affine_dependence): Remove parameter loop_nest_depth.
7855 (compute_self_dependence): Don't call compute_subscript_distance.
7856 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7857 Add a parameter for the loop_nest.
7858 (find_loop_nest_1, find_loop_nest): New.
7859 (compute_data_dependences_for_loop): Compute the loop nest, and give
7860 up if the nest is not well formed.
7861 * tree-data-ref.h (loop_p): New.
7862 (struct data_dependence_relation): Replace size_vect field with
7863 loop_nest, a vec of loops.
7864 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7865 (DDR_LOOP_NEST): New.
7866 (print_dir_vectors, print_dist_vectors,
7867 debug_data_dependence_relation): Declared.
7868 (index_in_loop_nest): New.
7869 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7870 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7873 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7875 * simplify-rtx.c (simplify_relational_operation): Call
7876 simplify_relational_operation_1 even if mode is VOIDmode.
7878 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7880 PR tree-optimization/26804
7881 * tree.h (DECL_CALL_CLOBBERED): New macro.
7882 (tree_decl_common): Add call_clobbered_flag.
7883 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7884 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7885 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7886 (mark_non_addressable): Ditto.
7887 * tree-ssa.c (verify_call_clobbered): New function.
7888 (verify_alias_info): Use it.
7889 * tree-pass.h (pass_reset_cc_flags): New prototype.
7890 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7891 (reset_cc_flags): New function.
7892 * passes.c (init_optimization_passes): Call reset_cc_flags after
7893 initializing referenced_vars.
7895 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7896 Roger Sayle <roger@eyesopen.com>
7899 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7900 to 1.0 for non-real operands. Implement A / A optimization for
7903 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7905 * config/i386/i386.c (size_cost): Correct the comment for
7906 cost of storing fp registers.
7907 (i386_cost): Likewise.
7908 (i486_cost): Likewise.
7909 (pentium_cost): Likewise.
7910 (pentiumpro_cost): Likewise.
7911 (k6_cost): Likewise.
7912 (athlon_cost): Likewise.
7913 (k8_cost): Likewise.
7914 (pentium4_cost): Likewise.
7915 (nocona_cost): Likewise.
7916 (generic64_cost): Likewise.
7917 (generic32_cost): Likewise.
7919 2006-03-24 Denis Chertykov <denisc@overta.ru>
7921 * config/avr/avr-protos.h (extra_constraint): Delete.
7922 (extra_constraint_Q): New declaration.
7923 * config/avr/constraints.md: New file.
7924 * config/avr/avr.md: Include it.
7925 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7926 (TMP_REGNO, ZERO_REGNO): Likewise.
7927 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7928 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7929 (extra_constraint): Delete.
7930 (extra_constraint_Q): Test for memory constraint 'Q'.
7931 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7932 (REG_CLASS_FROM_LETTER): Delete.
7933 (CONST_OK_FOR_LETTER_P): Delete.
7934 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7935 (EXTRA_CONSTRAINT): Delete.
7936 (TMP_REGNO): Delete.
7937 (ZERO_REGNO): Delete.
7939 2006-03-24 Jeff Law <law@redhat.com>
7941 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7942 directly. Call mark_new_vars_to_rename slightly earlier.
7944 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7946 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7948 (gen_compile_unit_die): Use new language types for Objective-C and
7950 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7951 DW_LANG_C_plus_plus.
7954 * config/t-darwin (crt3.o): Work around bug 26840.
7955 * config/darwin-crt3.c: Rewrite.
7956 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7958 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7960 * doc/invoke.texi: Document -femit-class-debug-always
7961 * common.opt: Add -femit-class-debug-always.
7963 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7965 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7966 index and base register.
7967 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7968 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7969 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7970 REGNO_OK_FOR_INDEX_P.
7971 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7973 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7974 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7975 REG_OK_FOR_BASE_P): Definitions removed.
7977 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7980 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7981 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7982 set yet or weren't marked as local yet.
7984 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7986 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7989 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7991 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7992 (rs6000_legitimate_small_data_p): Delete.
7993 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7994 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7995 and make static. Add forward declaration. Update uses.
7996 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7997 of offsettable_memref_p.
7998 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7999 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8001 2006-03-24 Jeff Law <law@redhat.com>
8003 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8004 around bug in immediate-use iterator.
8006 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8009 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8010 or __LITTLE_ENDIAN__.
8012 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8014 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8015 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8016 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8017 * config/sh/sh.opt (mdiv=): Amend description.
8018 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8019 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8020 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8021 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8022 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8023 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8024 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8025 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8026 TARGET_DIVIDE_CALL_FP.
8028 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8030 * haifa-sched.c (choose_ready): Fix type of the local variable.
8031 Move local variables. Add comment.
8032 (check_reg_live): Change signature. Make callable from debugger.
8033 * sched-int.h (check_reg_live): Update signature.
8034 * sched-ebb.c (check_reg_live): Update parameters.
8035 * sched-rgn.c (check_reg_live): Ditto.
8036 (region_head_or_leaf_p): Check pointer before dereferencing.
8037 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8038 before reload on optimization levels below 1.
8040 2006-03-23 Richard Henderson <rth@redhat.com>
8042 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8046 * config/alpha/predicates.md (local_symbolic_operand): Reject
8049 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8052 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8053 expressions which have overflowed constants.
8055 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8057 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8059 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8061 * cfgloopmanip.c (create_loop_notes): Removed.
8062 * final.c (final_scan_insn): Do not handle loop notes.
8063 * jump.c (squeeze_notes): Ditto.
8064 * cfglayout.c (skip_insns_after_block,
8065 duplicate_insn_chain): Ditto.
8066 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8068 * cfgloop.h (create_loop_notes): Declaration removed.
8070 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8072 * varasm.c (output_constant_pool): Restore fnname and fndecl
8074 (assemble_start_function): Adjust call accordingly.
8075 (assemble_end_function): Likewise.
8077 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8080 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8083 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8085 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8088 * system.h (ICE_EXIT_CODE): New macro.
8089 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8090 (diagnostic_action_after_output): Likewise.
8091 * gcc.c (fatal_ice): New function.
8092 (execute): Use it instead of fatal.
8093 (fancy_abort): Likewise.
8094 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8096 2006-03-22 Jeff Law <law@redhat.com>
8098 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8099 iv_analyze_result returning false.
8101 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8103 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8105 2006-03-22 Richard Henderson <rth@redhat.com>
8108 * except.c (duplicate_eh_regions_0): New.
8109 (duplicate_eh_region_1): Duplicate the children of the node as
8110 well as the node itself. Link them up properly.
8111 (duplicate_eh_region_2): Merge into ...
8112 (duplicate_eh_regions): ... here. Take copy_region argument, and
8113 copy only a sub-tree if asked. Simplify copying and fixup.
8114 (eh_region_outer_p): New.
8115 * except.h (duplicate_eh_regions): Update decl.
8116 (eh_region_outer_p): Declare.
8117 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8118 (lower_omp_master): Likewise.
8119 (lower_omp_ordered): Likewise.
8120 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8121 (move_stmt_r): Use it to remap labels. Handle recursion vs
8122 remap_decls_p properly.
8123 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8124 (find_outermost_region_in_block): New.
8125 (new_label_mapper): New.
8126 (move_sese_region_to_fn): Copy eh information to the new function
8128 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8130 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8133 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8135 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8136 into shared libraries.
8138 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8140 * doc/md.texi: Refer to i386/constraints.md instead of
8142 * config/i386/constraints.md: New file, extracted from...
8143 * config/i386/predicates.md: ...here.
8144 * config/i386/i386.md: Include constraints.md.
8146 2006-03-21 Jason Merrill <jason@redhat.com>
8148 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8151 * expr.c (init_block_move_fn): Force default visibility.
8152 (init_block_clear_fn): Likewise.
8153 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8154 * targhooks.c (default_external_stack_protect_fail): Likewise.
8156 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8158 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8159 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8160 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8161 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8162 (loadgp): Use mips_current_loadgp_style.
8163 (loadgp_noshared): New pattern.
8164 (sibcall_internal): Use MIPS_CALL.
8165 (sibcall_value_internal): Likewise.
8166 (sibcall_value_multiple_internal): Likewise.
8167 (call_internal): Likewise.
8168 (call_value_internal): Likewise.
8169 (call_value_multiple_internal): Likewise.
8170 (call_split): Use MIPS_CALL and add an 'S' constraint.
8171 (call_value_split): Likewise.
8172 (call_value_multiple_split): Likewise.
8173 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8174 (-mshared): New option.
8175 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8176 (mips_current_loadgp_style): Declare.
8177 * config/mips/mips.c (mips_classify_symbol): Avoid using
8178 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8179 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8180 TARGET_ABSOLUTE_ABICALLS.
8181 (override_options): Adjust comments. Improve the warning that is
8182 issued when -mabicalls and -G are used together.
8183 (mips_file_start): Remove comment.
8184 (mips_current_loadgp_style): New function.
8185 (mips_gnu_local_gp): New variable.
8186 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8188 (mips_output_function_prologue): Use mips_current_laodgp_style.
8189 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8190 the cprestore instruction.
8191 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8192 live for TARGET_ABSOLUTE_ABICALLS.
8193 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8194 (ASM_SPEC): Pass down -mshared and -mno-shared.
8195 (MIPS_CALL): New macro.
8196 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8198 * doc/invoke.texi (-mabicalls): Update documentation.
8199 (-mshared): Document.
8201 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8203 * config/ia64/unwind-hpux.c: New file.
8204 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8206 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8209 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8211 2006-03-21 Jeff Law <law@redhat.com>
8213 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8214 type conversions of a VR_VARYING source to a wider type.
8216 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8218 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8219 tm_file on Solaris 10 and later.
8220 (sparc64-*-solaris2*): Likewise.
8221 (sparc-*-solaris2*): Likewise.
8222 * config/sol26.h: Rename to config/sol2-6.h.
8223 * config/sol2-10.h: New file.
8225 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8228 * tree-ssa-pre.c (create_component_ref_by_pieces):
8231 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8234 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8235 return it immediately.
8237 2006-03-21 Michael Matz <matz@suse.de>
8239 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8241 (remove_arc, add_arc): Update num_out_arcs member.
8242 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8244 (cache_presence): New function.
8245 (compare_states_for_equiv): New function.
8246 (state_is_differed): Don't take number of outargs, adjust callers.
8247 Use new invariant for speeding up.
8248 (init_equiv_class): Create initial classes based on sorted
8250 (partition_equiv_class): Don't track out_arcs_num.
8251 (evaluate_equiv_classes): Call cache_presence on all states and
8254 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8256 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8257 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8258 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8259 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8261 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8262 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8263 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8264 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8265 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8267 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8268 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8269 (REGNO_REG_CLASS): ARGP is in PREGS.
8270 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8272 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8273 to deal with those addresses.
8274 * addresses.h: New file.
8275 * caller-save.c: Include "addresses.h".
8276 (init_caller_save): Use new base_reg_class function.
8277 * rtl-factoring.c: Include "addresses.h".
8278 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8279 * recog.c: Include "addresses.h".
8280 (preprocess_constraints): Use new base_reg_class function.
8281 * regrename.c: Include "addresses.h".
8282 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8283 functions. Keep track of a new var INDEX_CODE to compute valid
8285 (replace_oldest_value_addr): Likewise.
8286 (replace_oldest_value_mem): Use base_reg_class.
8287 * reload.c: Include "addresses.h".
8288 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8289 (find_reloads): Use new base_reg_class function.
8290 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8291 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8292 all callers and prototype changed.
8293 * reload1.c: Include "addresses.h".
8294 (maybe_fix_stack_asms): Use base_reg_class.
8295 * regclass.c: Include "addresses.h".
8296 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8297 (init_reg_autoinc): Use new base_reg_class function.
8298 (record_reg_classes): Likewise.
8299 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8300 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8301 Use new args to compute necessary class.
8303 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8304 regrename.o, rtl-factoring.o): Update dependencies.
8305 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8306 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8307 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8308 REG_OK_FOR_INDEX_P): Delete documentation.
8310 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8312 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8313 from V7 to V9 for Solaris 7 and above.
8315 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8317 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8318 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8319 argument pointers may not alias any other storage.
8320 * common.opt: Define option -fargument-noalias-anything.
8321 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8322 alias semantics is specified by flag_argument_noalias > 2.
8324 2006-03-20 Jeff Law <law@redhat.com>
8326 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8327 (pass_phi_only_cprop): Declare.
8328 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8330 * tree-ssa-dom.c (degenerate_phi_result): New function.
8331 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8332 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8333 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8334 (eliminate_degenerate_phis): Likewise.
8335 (pass_phi_only_cprop): New pass descriptor.
8336 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8337 support code. Callers updated.
8338 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8339 (store_copy_prop): Likewise.
8340 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8342 2006-03-20 Jason Merrill <jason@redhat.com>
8345 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8346 (push_visibility, pop_visibility): Likewise.
8347 * c-pragma.h: Declare them.
8349 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8351 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8353 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8354 parameter and use get_ebb_head_tail.
8355 (sh_md_init_global): Adjust uses of find_regmode_weight.
8357 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8359 * function.h (struct function) <x_tail_recursion_reentry>:
8360 Rename to x_stack_check_probe_note.
8361 (tail_recursion_reentry): Rename to stack_check_probe_note.
8362 * function.c: Replace tail_recursion_reentry with
8363 stack_check_probe_note everywhere.
8364 (expand_function_start): Only emit a note for
8365 stack_check_probe_note with -fstack-protect.
8366 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8368 * emit-rtl.c (remove_unnecessary_notes): Remove.
8369 (pass_remove_unnecessary_notes): Remove.
8370 * rtl.h (remove_unnecessary_notes): Remove prototype.
8371 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8372 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8373 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8375 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8378 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8379 (valid_in_set): Handle ARRAY_REF.
8380 Change "if min_variant or VH" to asserts.
8381 (create_component_ref_by_pieces): Handle ARRAY_REF.
8382 (create_expression_by_pieces): Likewise.
8383 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8385 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8387 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8388 is operand of switch, not str[0].
8390 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8392 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8393 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8395 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8397 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8398 end of insn_extra_address_constraint declaration.
8400 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8402 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8403 (no-sum-in-toc): Same.
8404 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8406 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8407 NO_FP_IN_TOC for -fPIC instead of mask.
8409 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8410 (BOOT_LDFLAGS): Delete.
8412 * config/rs6000/t-aix52: Same.
8414 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8415 (stmsi[345678]_power): New.
8417 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8419 * config/ia64/ia64.opt: Add empty line to end of file.
8421 2006-03-17 Richard Guenther <rguenther@suse.de>
8424 * builtins.c (get_pointer_alignment): For component style references
8425 adjust alignment to the component type alignment. Make sure
8426 to adjust alignment for component access of constants.
8428 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8430 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8433 2006-03-17 Paul Brook <paul@codesourcery.com>
8435 * doc/install.texi: Docuemnt --with-mode.
8436 * config.gcc: Add --with-mode for arm*-*-*.
8437 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8439 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8441 * sh.c (max_labelno_before_reorg): New variable.
8442 (sh_reorg): Initialize it.
8443 (find_barrier): Check max_labelno_before_reorg before using
8444 label_to_alignment. Take length of explicit alignment insns
8445 into account. When seeing a UNSPECV_CONST_END, return it.
8447 * sh.c (fixup_mova): Set mode of affected label to QImode.
8448 (untangle_mova): New function.
8449 (find_barrier): Use it. Check mode of label before decrementing
8451 (sh_reorg): Likewise.
8452 Set mode of all insns back to VOIDmode.
8454 * sh.c (MOVA_LABELREF): New macro.
8455 (mova_p, fixup_mova, sh_reorg): Use it.
8456 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8457 ADDR_DIFF_VEC matches mova.
8459 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8461 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8462 with ATTRIBUTE_UNUSED.
8464 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8466 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8467 pointer, instead of assuming it is possible to derive the
8468 correct args size from a call insn.
8470 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8472 * rtl.h (CONST_INT_P): Define.
8473 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8474 instead of GET_CODE(x) == CONST_INT.
8475 (vax_rtx_costs): Likewise.
8476 (vax_output_int_move): Likewise.
8477 (vax_output_int_add): Likewise.
8478 (legitimate_constant_address_p): Likewise.
8479 (index_term_p): Likewise.
8480 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8481 * config/vax/vax.md (and<mode>3): Likewise.
8482 (ashrsi3): Likewise.
8484 (movstricthi): Likewise.
8485 (movstrictqi): Likewise.
8486 (rotrsi3): Likewise.
8487 (five unnamed insns): Likewise.
8489 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8491 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8492 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8493 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8494 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8495 Pass to ASM_OUTPUT_DWARF_OFFSET.
8496 * dwarf2out.c (debug_frame_section): New.
8497 (output_call_frame_info): Use debug_frame_section. Pass it to
8498 dw2_asm_output_offset.
8499 (output_die): Pass appropriate section to dw2_asm_output_offset.
8500 (output_compilation_unit_header): Likewise.
8501 (output_pubnames): Likewise.
8502 (output_aranges): Likewise.
8503 (enum dw_val_class): Break dw_val_class_lbl_offset into
8504 dw_val_class_lineptr and dw_val_class_macptr.
8505 (add_AT_lbl_offset): Delete.
8506 (add_AT_lineptr): New.
8507 (add_AT_macptr): New.
8508 (AT_lbl): Expect a lineptr or macptr.
8509 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8510 (attr_checksum): Likewise.
8511 (same_dw_val_p): Likewise.
8512 (size_of_die): Likewise.
8513 (value_format): Likewise.
8514 (output_die): Likewise.
8515 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8517 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8518 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8519 * config/darwin-protos.h (darwin_file_start): New.
8520 (darwin_asm_output_dwarf_offset): New.
8521 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8522 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8524 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8525 if not EH section; simplify.
8526 (darwin_file_start): New.
8527 (darwin_asm_output_dwarf_offset): New.
8528 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8530 (DEBUG_INFO_SECTION): Likewise.
8531 (DEBUG_ABBREV_SECTION): Likewise.
8532 (DEBUG_ARANGES_SECTION): Likewise.
8533 (DEBUG_MACINFO_SECTION): Likewise.
8534 (DEBUG_LINE_SECTION): Likewise.
8535 (DEBUG_LOC_SECTION): Likewise.
8536 (DEBUG_PUBNAMES_SECTION): Likewise.
8537 (DEBUG_STR_SECTION): Likewise.
8538 (DEBUG_RANGES_SECTION): Likewise.
8539 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8540 (ASM_OUTPUT_DWARF_OFFSET): New.
8542 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8544 * config.gcc (tm_defines): Always add to previous value rather
8547 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8549 * config/mips/predicates.md (splittable_const_int_operand): New,
8550 split from move_operand.
8551 (splittable_symbolic_operand): New.
8552 (move_operand): Add commentary. Use splittable_const_int_operand.
8553 Inline mips_atomic_symbolic_constant_p.
8554 * config/mips/mips.md: Add combine splitters for handling moves
8555 of splittable_const_int_operands and splittable_symbolic_operands.
8556 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8557 (mips_split_symbol): Declare.
8558 (mips_move_integer): Declare.
8559 * config/mips/mips.c (mips_split_p): Make global.
8560 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8561 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8562 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8563 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8564 (mips_offset_within_object_p): Handle block symbols.
8565 (mips_atomic_symbolic_constant_p): Delete.
8566 (mips_cannot_force_const_mem): Return false for constants that
8567 mips_legitimize_move can handle.
8568 (mips_use_blocks_for_constant_p): New function.
8569 (mips_split_symbol): Make global.
8570 (mips_move_integer): Likewise. Add a temporary register argument.
8571 (mips_legitimize_const_move): Use splittable_const_int_operand and
8572 splittable_symbolic_operand.
8573 (mips_use_anchors_for_symbol_p): New function.
8574 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8575 (mips_split_p): Declare.
8577 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8579 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8580 (mips*-*-linux*): Likewise.
8582 2006-03-16 Roger Sayle <roger@eyesopen.com>
8583 Daniel Speyer <dspeyer@wam.umd.edu>
8586 * tree-dump.c (dump_real): New function.
8587 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8588 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8589 (tree-dump.o): Add $(REAL_H) to the dependencies.
8591 2006-03-16 Roger Sayle <roger@eyesopen.com>
8594 * real.c (real_from_string): If the mantissa is zero, don't bother
8595 parsing the exponent as the result should always be zero.
8597 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8599 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8601 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8603 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8604 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8605 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8606 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8607 ia64_sched_finish_global): New static functions to implement
8608 hooks from gcc_target.sched.
8609 (spec_check_no, max_uid, pending_data_specs): New static variables.
8610 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8611 ia64_spec_check_src_p): New static functions.
8612 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8613 (TARGET_SCHED_ADJUST_COST): Removed.
8614 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8615 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8616 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8617 TARGET_SCHED_GEN_CHECK,
8618 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8619 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8620 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8621 Fixed to handle speculation checks.
8622 (rtx_needs_barrier): Fixed to handle speculative loads and
8624 (ia64_variable_issue): Added code to count speculative loads and their
8626 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8628 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8630 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8632 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8633 (ia64_reorg): Reset stops_p to NULL after it is freed.
8634 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8635 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8636 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8638 (data_speculative, control_speculative, check_load): New attributes.
8639 (mov<mode>_advanced, mov<mode>_speculative,
8640 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8641 zero_extend<mode>di2_speculative,
8642 zero_extend<mode>di2_speculative_advanced): New patterns for
8643 data and control speculative loads.
8644 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8646 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8647 New pattern for data and control speculation checks.
8648 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8649 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8650 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8651 Auxiliary definitions for the patterns.
8652 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8653 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8655 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8657 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8658 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8659 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8660 New resource constraints.
8661 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8663 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8664 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8665 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8666 msched-in-control-spec, msched-ldc, msched-control-ldc,
8667 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8668 msched-prefer-non-control-spec-insns,
8669 msched-count-spec-in-critical-path): New flags to tune speculative
8671 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8672 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8673 msched-in-control-spec, msched-ldc, msched-control-ldc,
8674 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8675 msched-prefer-non-control-spec-insns,
8676 msched-count-spec-in-critical-path): Document new flags.
8678 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8680 * target.h (struct spec_info_def): New opaque declaration.
8681 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8682 speculate_insn, needs_block_p, gen_check,
8683 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8684 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8685 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8686 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8687 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8688 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8690 (TARGET_SCHED): Use new macros.
8691 * rtl.h (copy_DEPS_LIST_list): New prototype.
8692 * sched-int.h (struct sched_info): Change signature of new_ready field,
8693 adjust all initializations. New fields: add_remove_insn,
8694 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8695 region_head_or_leaf_p.
8696 (struct spec_info_def): New structure declaration.
8697 (spec_info_t): New typedef.
8698 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8699 recovery_block, orig_pat.
8700 (glat_start, glat_end): New variables declaraions.
8701 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8703 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8704 DETACH_LIFE_INFO, USE_GLAT.
8705 (enum SPEC_SCHED_FLAGS): New enumeration.
8706 (NOTE_NOTE_BB_P): New macro.
8707 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8708 attach_life_info, debug_spec_status, check_reg_live): New functions.
8709 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8710 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8712 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8713 * ddg.c (get_block_head_tail): Adjust all uses.
8714 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8715 (sms_sched_info): Initialize new fields.
8716 (contributes_to_priority): Removed.
8717 * haifa-sched.c (params.h): New include.
8718 (get_block_head_tail): Adjust all uses.
8719 (ISSUE_POINTS): New macro.
8720 (glat_start, glat_end): New global variables.
8721 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8722 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8723 old_last_basic_block, before_recovery, current_sched_info_var,
8724 rgn_n_insns, luid): New static variables.
8725 (insn_cost1): New function. Move logic from insn_cost to here.
8726 (find_insn_reg_weight1): New function. Move logic from
8727 find_insn_reg_weight to here.
8728 (reemit_notes, move_insn, max_issue): Change signature.
8729 (move_insn1): Removed.
8730 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8731 extend_bb): New static functions to support extension of scheduler's
8733 (generate_recovery_code, process_insn_depend_be_in_spec,
8734 begin_speculative_block, add_to_speculative_block,
8735 init_before_recovery, create_recovery_block, create_check_block_twin,
8736 fix_recovery_deps): New static functions to support
8737 generation of recovery code.
8738 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8739 restore_bb_notes, move_block_after_check, move_succs): New static
8740 functions to support ebb scheduling.
8741 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8742 functions to support handling of register live information.
8743 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8744 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8745 add_jump_dependencies): New static functions.
8746 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8747 consistancy checking.
8748 (debug_spec_status): New function to call from debugger.
8749 (priority): Added code to handle speculation checks.
8750 (rank_for_schedule): Added code to distinguish speculative instructions.
8751 (schedule_insn): Added code to handle speculation checks.
8752 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8753 Fixed to handle ebbs.
8754 (move_insn): Added code to handle ebb scheduling.
8755 (max_issue): Added code to use ISSUE_POINTS of instructions.
8756 (choose_ready): Added code to choose between speculative and
8757 non-speculative instructions.
8758 (schedule_block): Added code to handle ebb scheduling and scheduling of
8759 speculative instructions.
8760 (sched_init): Initialize new variables.
8761 (sched_finish): Free new variables. Print statistics.
8762 (try_ready): Added code to handle speculative instructions.
8763 * lists.c (copy_DEPS_LIST_list): New function.
8764 * sched-deps.c (extend_dependency_caches): New function. Move logic
8765 from create_dependency_caches to here.
8766 (get_dep_weak, ds_merge): Make global.
8767 * genattr.c (main): Code to output prototype for
8768 dfa_clear_single_insn_cache.
8769 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8770 (output_dfa_clean_insn_cache_func): Code to output
8771 dfa_clear_single_insn_cache function.
8772 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8774 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8776 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8777 New static variables.
8778 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8779 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8781 (ebb_sched_info): Initialize new fields.
8782 (get_block_head_tail): Adjust all uses.
8783 (compute_jump_reg_dependencies): Fixed to use glat_start.
8784 (schedule_ebb): Code to remove unreachable last block.
8785 (schedule_ebbs): Added code to update register live information.
8786 * sched-rgn.c (region_sched_info): Initialize new fields.
8787 (get_block_head_tail): Adjust all uses.
8788 (last_was_jump): Removed. Adjust users.
8789 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8790 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8791 Implement new hooks.
8792 (check_dead_notes1): New static function.
8793 (struct region): New fields: dont_calc_deps, has_real_ebb.
8794 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8795 (BB_TO_BLOCK): Fixed to handle EBBs.
8796 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8797 (ebb_head): New static variable.
8798 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8799 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8801 (compute_dom_prob_ps): New assertion.
8802 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8803 global_live_at_start.
8804 (init_ready_list): New assertions.
8805 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8806 (new_ready): Add support for BEGIN_CONTROL speculation.
8807 (schedule_insns): Fixed code that updates register live information
8809 (schedule_region): Fixed to handle EBBs.
8810 (init_regions): Use extend_regions and check_dead_notes1.
8811 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8812 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8813 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8814 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8815 TARGET_SCHED_GEN_CHECK,
8816 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8817 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8818 * doc/invoke.texi (max-sched-insn-conflict-delay,
8819 sched-spec-prob-cutoff): Document.
8821 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8823 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8824 inter_tick, queue_index.
8825 (struct sched_info): Change signature of init_ready_list field.
8826 Adjust all initializations.
8827 (RESOLVED_DEPS): New access macro.
8828 (ready_add): Remove prototype.
8829 (try_ready): Add prototype.
8830 * sched-rgn.c (init_ready_list): Use try_ready.
8831 (schedule_region): Initialize
8832 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8833 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8834 (init_ready_list): Use try_ready.
8835 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8836 * lists.c (remove_list_elem): Remove `static'.
8837 (remove_free_INSN_LIST_elem): New function.
8838 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8839 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8840 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8842 (readyp): New variable.
8843 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8844 change_queue_index, resolve_dep): New static functions.
8845 (try_ready): New function. Adjust callers in sched-rgn.c and
8846 sched-ebb.c to use it instead of ready_add.
8847 (clock_var): Move at the begining of file.
8848 (rank_for_schedule): Fix typo.
8849 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8850 (ready_lastpos): Enforce assertion.
8851 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8853 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8854 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8855 (queue_to_ready): Use free_INSN_LIST_list.
8856 (early_queue_to_ready): Fix typo.
8857 (schedule_block): Init readyp. Move init_ready_list call after the
8858 initialization of clock_var. Fix error in rejecting insn by
8859 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8860 that previously corrected INSN_TICKs. Add code for handling
8862 (set_priorities): Fix typo.
8863 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8864 Clarify comment and code that keeps current_sched_info->next_tail
8867 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8869 * sched-rgn.c (extend_rgns): New static function.
8870 (find_rgns): Use it.
8871 (gather_region_statistics, print_region_statistics): New static
8873 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8874 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8876 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8877 Andrey Belevantsev <abel@ispras.ru>
8879 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8880 * lists.c (unused_deps_list): New variable.
8881 (free_list): Add assertions to verify the proper distinguishing
8882 between INSN_LISTs and DEPS_LISTs.
8883 (find_list_elem, remove_list_elem, remove_list_node): New static
8885 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8886 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8887 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8888 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8890 (free_INSN_LIST_node): Likewise.
8891 * modulo-sched.c (current_sched_info): Initialize flags field.
8892 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8893 * rtl.def (DEPS_LIST): Define.
8894 * rtl.h: Declare new functions from lists.c.
8895 * sched-deps.c (spec_dependency_cache): New static variable.
8896 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8897 (add_dependence): Change return type to void. Move the logic to ...
8898 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8899 (delete_all_dependences): Add comment about forward_dependency_cache.
8900 Handle spec_dependency_cache. Handle DEPS_LISTs.
8901 (fixup_sched_groups): Clarify the change of priority of output
8902 and anti dependencies.
8903 (sched_analyze_2): Adjust add_dependence calls to create data
8904 speculative dependence.
8905 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8906 Adjust all callers. Handle DEPS_LISTS.
8907 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8908 presence of speculation.
8909 (init_dependency_caches, free_dependency_caches):
8910 Handle spec_dependency_cache.
8911 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8912 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8913 New static functions.
8914 (add_or_update_back_dep, add_or_update_back_forw_dep,
8915 add_back_forw_dep, delete_back_forw_dep): New functions.
8916 * sched-int.h (ds_t, dw_t): New typedefs.
8917 (struct sched_info): Add new field flags.
8918 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8919 Prototype new sched-deps.c functions.
8920 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8921 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8922 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8923 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8924 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8925 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8927 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8929 * sched-rgn.c (current_sched_info): Initialize flags field.
8930 (schedule_insns): Initialize current_sched_info before the sched_init
8932 * sched-ebb.c (current_sched_info): Initialize flags field.
8933 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8934 Call add_or_update_back_dep instead of add_dependence.
8935 Create control speculative dependencies.
8936 (schedule_insns): Initialize current_sched_info before the sched_init
8939 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8941 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8943 (sh_fallback_frame_state): Likewise.
8945 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8947 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8948 Do switch on default_use_cxa_atexit.
8949 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8950 * config/darwin-crt3.o: New.
8951 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8952 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8953 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8955 * config/rs6000/t-darwin: Move crt2.o building to here.
8956 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8957 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8960 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8962 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8963 from '! xxx' to '!xxx' for coding-style conformance.
8964 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8965 (EXTRA_CONSTRAINT): Likewise.
8966 * config/vax/vax.md (four unnamed insns): Likewise.
8968 2006-03-15 Paul Brook <paul@codesourcery.com>
8970 * config/arm/arm.c (minipool_pad): New.
8971 (add_minipool_forward_ref): Include pool alignment padding in address
8973 (push_minipool_fix): Set minipool_pad.
8974 (minipool_pad): Ditto.
8976 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8978 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8979 instead of GET_CODE() == MEM and REG_P() instead of
8981 (print_operand_address): Likewise.
8982 (vax_address_cost): Likewise.
8983 (vax_rtx_costs): Likewise.
8984 (vax_notice_update_cc): Likewise.
8985 (vax_output_int_add): Likewise.
8986 (INDEX_REGISTER_P): Likewise.
8987 (BASE_REGISTER_P): Likewise.
8988 (nonindexed_address_p): Likewise.
8989 (vax_mode_dependent_address_p): Likewise.
8990 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8991 (PRINT_OPERAND): Likewise.
8992 * config/vax/vax.md (ashlsi3): Likewise.
8993 (ashlsi3): Likewise.
8994 (some more unnamed insns): Likewise.
8996 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8998 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8999 iterator-style macro.
9000 (mark_control_dependent_edges_necessary): Update the use of
9001 EXECUTE_IF_CONTROL_DEPENDENT.
9003 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9005 * config/sh/predicates.md (cache_address_operand): Special.
9006 (ua_address_operand): Likewise.
9008 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9010 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9012 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9014 2006-03-15 Andreas Schwab <schwab@suse.de>
9016 * gensupport.c (identify_predicable_attribute): Don't free p_false
9017 when it is still in use.
9019 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9021 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9022 the default setting here.
9024 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9026 * tree-pass.h (pass_cfg): Remove.
9027 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9028 * passes.c (pass_cfg): Don't run it.
9030 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9032 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9033 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9035 (stack_regs_mentioned): Update the uses of
9036 stack_regs_mentioned_data. Don't access the array beyond its
9038 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9039 Don't include gt-reg-stack.h.
9041 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9042 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9044 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9047 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9050 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9052 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9054 2006-03-14 Richard Guenther <rguenther@suse.de>
9056 PR tree-optimization/26672
9057 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9060 2006-03-14 Richard Guenther <rguenther@suse.de>
9062 PR tree-optimization/26667
9063 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9064 node for the callees. Always allow inlining if it will shrink
9067 2006-03-14 Richard Guenther <rguenther@suse.de>
9070 * builtins.c (get_pointer_alignment): Prefer alignment
9071 information from decls over that from types.
9073 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9076 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9078 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9080 * config/rs6000/rs6000.opt (mdlmzb): New option.
9081 (msched-prolog, msched-epilog): Use Var not Mask.
9082 * doc/invoke.texi (-mdlmzb): Document.
9083 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9085 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9086 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9088 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9090 PR rtl-optimization/25739
9091 * bt-load.c (augment_live_range): Free tos pointer.
9093 * gensupport.c (identify_predicable_attribute): Free
9095 * gcov.c (create_file_names): Free name pointer.
9097 2006-03-13 Roger Sayle <roger@eyesopen.com>
9100 * stmt.c (emit_case_nodes): Handle the case where the index is a
9101 CONST_INT, where the comparison mode is specified by the index type.
9103 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9105 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9108 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9110 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9111 (*branch_fp_inverted): Likewise.
9113 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9116 * omp-low.c (expand_omp_for_generic): Mark istart0
9117 and iend0 as addressable.
9119 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9121 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9123 2006-03-13 Jeff Law <law@redhat.com>
9125 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9126 virtual operands are interesting.
9127 (vrp_visit_stmt): Corresponding changes.
9129 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9131 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9133 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9134 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9135 * config/bfin/crti.S: Use it instead of __PIC__.
9136 * config/bfin/crtn.S: Likewise.
9138 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9139 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9141 Lose 'G' modifier for call operand.
9142 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9143 recognize 'G' modifier.
9145 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9148 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9149 * stmt.c (expand_case): Likewise.
9151 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9153 PR rtl-optimization/26254
9154 * loop-invariant.c (seq_insns_valid_p): New function.
9155 (move_invariant_reg): Only emit new code if it is valid.
9157 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9159 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9161 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9162 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9163 (commit_one_edge_insertion): Do not look for loop notes.
9165 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9167 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9168 flag_test_coverage out of loop.
9170 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9172 * final.c (shorten_branches): Remove outdated comment, and turn
9173 the if branch that guards it to continue.
9175 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9177 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9178 * cfgloop.h (struct loop): Remove unused fields.
9180 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9182 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9183 (-dL, -fdump-rtl-loop2): Update the dump file names
9185 * doc/invoke.texi: Update dump file names.
9187 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9189 * predict.c (estimate_probability): Remove.
9190 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9191 * basic-block.h (estimate_probability): Remove prototype.
9192 * passes.c (finish_optimization_passes): Dump branch prediction or
9193 profiling heuristics to the .profile tree dump.
9194 (init_optimization_passes): Unqueue pass_branch_prob.
9196 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9198 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9200 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9201 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9203 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9205 * function.h (frame_offset_overflow): Declare.
9206 * function.c (frame_offset_overflow): New function.
9207 (assign_stack_local_1): Call it to detect that the offset overflows.
9208 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9210 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9212 * config/sh/sh.c: Include alloc-pool.h.
9213 (label_ref_list_pool): New alloc pool.
9214 (label_ref_list_t): New type for lists of labels.
9215 (struct pool_node): Make wend a label_ref_list_t.
9216 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9218 (dump_table): Likewise.
9219 (sh_reorg): Set up the alloc pool before using add_constant and
9220 dump_table, and destroy it when finishing.
9222 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9224 * config/mips/mips.c: Remove redundant comment.
9226 2006-03-10 Jason Merrill <jason@redhat.com>
9229 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9230 the target was declared 'register'.
9232 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9234 * genpreds.c (write_insn_constraint_len): Change definition of
9235 insn_constraint_len to return size_t to match the declaration.
9237 2006-03-10 DJ Delorie <dj@redhat.com>
9239 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9241 (m32c_expand_insv): Fix test for an AND mask.
9243 2006-03-10 Richard Guenther <rguenther@suse.de>
9246 * builtins.c (get_pointer_alignment): Handle component
9247 references for field alignment.
9249 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9251 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9252 when building with libgloss.
9253 (sh*elf): Implement --without-fp option.
9254 (sh64-superh-linux*): Don't multilib.
9256 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9258 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9260 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9262 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9263 Set it when one of the replacement functions returned true.
9264 Return TODO_cleanup_cfg if cfgchanged is true.
9265 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9267 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9269 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9270 instead of gen_lowpart.
9272 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9274 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9276 (mips_output_order_conditional_branch): Declare.
9277 * config/mips/mips.h (MIPS_BRANCH): New macro.
9278 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9279 for the comparison. Use gen_condjump.
9280 (mips_output_conditional_branch): Rework interface to take the
9281 asm templates for a direct branch and the inverse of a direct branch.
9282 (mips_output_order_conditional_branch): New function.
9283 (mips_builtin_branch_and_move): New function.
9284 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9285 branch condition. Use gen_single_cc as the condition for
9286 __builtin_mips_upper_* or __builtin_mips_lower_*.
9287 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9288 Use VOIDmode for the branch condition.
9289 * config/mips/predicates.md (order_operator): New predicate.
9290 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9291 (branch_fp): Rename to...
9292 (*branch_fp): ...this. Remove mode from comparison operator.
9293 Use new mips_output_conditional_branch interface.
9294 (branch_fp_inverted): Rename to...
9295 (*branch_fp_inverted): ...this and update as for *branch_fp.
9296 (*branch_zero<mode>): Rename to...
9297 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9298 Use mips_output_order_conditional_branch. Only accept ordered
9300 (*branch_zero<mode>_inverted): Rename to...
9301 (*branch_order<mode>_inverted): ...this and update as for
9302 *branch_order<mode>.
9303 (*branch_equality<mode>): Accept zero as the second operand to
9304 the equality operator. Use the new mips_output_conditional_branch
9306 (*branch_equality<mode>_inverted): Likewise.
9307 (condjump): New expander.
9308 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9310 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9311 (bc1any2t, bc1any2f): Likewise.
9312 (single_cc): New expander.
9313 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9315 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9317 * doc/md.texi: Update documentation of MIPS constraints.
9318 * config/mips/constraints.md: New file.
9319 * config/mips/mips.md: Include it.
9320 * config/mips/mips.c (mips_char_to_class): Delete.
9321 (override_options): Don't initialize mips_char_to_class.
9322 * config/mips/mips.h (mips_char_to_class): Delete.
9323 (REG_CLASS_FROM_LETTER): Delete.
9324 (CONST_OK_FOR_LETTER_P): Delete.
9325 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9326 (EXTRA_CONSTRAINT_Y): Delete.
9327 (EXTRA_CONSTRAINT_STR): Delete.
9328 (CONSTRAINT_LEN): Delete.
9329 (EXTRA_MEMORY_CONSTRAINT): Delete.
9331 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9333 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9334 original fn's eh regions.
9336 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9338 * fold-const.c (build_range_check): Make sure to use a valid type to
9339 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9342 (range_predecessor): New static function.
9343 (range_successor): Likewise.
9344 (merge_ranges): Use them to compute predecessors and successors of
9347 2006-03-09 Roger Sayle <roger@eyesopen.com>
9350 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9351 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9353 2006-03-08 DJ Delorie <dj@redhat.com>
9355 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9356 (addpsi3): Expand to include memory operands. Remove
9357 reload-specific splits.
9358 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9359 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9360 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9361 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9362 (shift1_qi, shift1_hi, insv): New.
9363 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9364 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9365 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9367 * config/m32c/m32c-protos.h: Update as needed.
9368 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9369 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9370 Fail for unrecognized R* constraints.
9371 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9372 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9373 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9375 (m32c_init_libfuncs): New.
9376 (m32c_legitimate_address_p): Add debug wrapper.
9377 (m32c_rtx_costs): New.
9378 (m32c_address_cost): New.
9379 (conversions): Add 'B' prefix.
9380 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9381 operands, or word regnames for QI operands. 'B' prints bit
9383 (m32c_expand_setmemhi): New.
9384 (m32c_expand_movmemhi): New.
9385 (m32c_expand_movstr): New.
9386 (m32c_expand_cmpstr): New.
9387 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9388 (m32c_expand_neg_mulpsi3): Handle non-ints.
9389 (m32c_cmp_flg_0): New.
9390 (m32c_expand_movcc): New.
9391 (m32c_expand_insv): New.
9392 (m32c_scc_pattern): New.
9393 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9394 a0/a1 out of SIregs.
9395 (STORE_FLAG_VALUE): New.
9396 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9399 * config/m32c/mov.md: Make constraints more liberal.
9400 (zero_extendqihi2): Optimize r0/r1 case.
9401 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9402 * config/m32c/predicates.md (m32c_any_operand): New.
9403 (m32c_nonimmediate_operand): New.
9404 (m32c_hl_operand): New.
9405 (m32c_r3_operand): New.
9408 (memsym_operand): New.
9409 (memimmed_operand): New.
9410 (a_qi_operand): New.
9411 (m32c_eqne_operator): New.
9412 (m32c_1bit8_operand): New.
9413 (m32c_1bit16_operand): New.
9414 (m32c_1mask8_operand): New.
9415 (m32c_1mask16_operand): New.
9416 * config/m32c/blkmov.md: New file.
9417 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9419 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9421 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9422 unsigned to fix signed/unsigned comparison issue in
9423 DWARF2_FRAME_REG_OUT.
9424 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9425 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9427 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9428 of ptr into the ENABLE_CHECKING section.
9430 2006-03-08 Jeff Law <law@redhat.com>
9432 * tree-vrp.c (infer_value_range): Only count pointer uses
9433 and dereferences if -fdelete-null-pointer-checks is enabled.
9435 * tree-vrp.c (find_assert_locations): Infer value ranges for
9436 single use pointers, but do not create ASSERT_EXPRs for them.
9437 When a non-null range is inferred for a pointer, backwards
9438 propagate that range to other equivalent pointers through the
9441 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9444 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9445 language hook targets.
9446 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9447 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9448 if language hook targets were missing.
9450 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9452 * tree-ssa-opfinalize.h: Removed.
9453 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9455 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9456 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9457 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9458 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9459 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9460 finalize_ssa_v_must_def_ops): New.
9462 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9464 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9467 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9469 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9471 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9472 addresses with offsets; reorganize.
9474 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9475 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9476 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9478 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9481 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9483 2006-03-08 Ben Elliston <bje@au.ibm.com>
9485 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9487 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9490 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9493 2006-03-07 Richard Guenther <rguenther@suse.de>
9495 PR tree-optimization/26587
9496 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9498 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9500 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9502 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9504 * hooks.c (hook_bool_mode_rtx_true): New function.
9505 * hooks.h (hook_bool_mode_rtx_true): Declare.
9506 * toplev.c (compile_file): Call output_shared_constant_pool.
9507 * varasm.c (shared_constant_pool): New variable.
9508 (assemble_start_function, assemble_end_function): Remove arguments
9509 from call to output_constant_pool.
9510 (create_constant_pool): New function, split out from...
9511 (init_varasm_status): ...here.
9512 (force_const_mem): Choose between the shared and per-function constant
9513 pools. Set current_function_uses_const_pool when reusing old entries
9514 as well as when creating new ones.
9515 (mark_constant): Ignore data argument.
9516 (mark_constants): Remove pool argument.
9517 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9518 to decide whether the function uses a constant pool.
9519 (output_constant_pool_contents): New function, split out from...
9520 (output_constant_pool): ...here.
9521 (output_shared_constant_pool): New function.
9522 (init_varasm_once): Initialize shared_constant_pool.
9523 * output.h (output_constant_pool): Delete.
9524 (output_shared_constant_pool): Declare.
9525 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9526 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9528 2006-03-06 Nick Clifton <nickc@redhat.com>
9530 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9531 flag_strength_reduce.
9533 2006-03-06 Ben Elliston <bje@au.ibm.com>
9535 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9536 x86_64-*-linux* configurations.
9538 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9539 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9541 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9543 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9545 * basic-block.h: Remove the extern for
9546 rediscover_loops_after_threading.
9548 * cfgloop.c (cancel_loop): Make it static.
9549 * cfgloop.h: Remove the prototype for cancel_loop.
9551 * flow.c (recompute_reg_usage): Make it static.
9552 * rtl.h: Remove the prototype for recompute_reg_usage.
9554 * function.c (use_return_register): Make it static.
9555 * function.h: Remove the prototype.
9557 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9559 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9561 * recog.h: Remove the prototype for
9562 validate_change_maybe_volatile.
9564 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9566 * rtlanal.c (replace_reg): Remove.
9567 * rtl.h: Remove the prototype for replace_reg.
9569 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9571 * regclass.c (reg_scan_update): Remove.
9572 (reg_scan_mark_refs): Remove the last argument.
9573 * rtl.h: Remove the prototype for reg_scan_update.
9575 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9577 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9578 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9579 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9580 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9581 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9582 loop-invariant.c, omp-low.c, opts.c, passes.c,
9583 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9584 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9585 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9586 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9587 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9588 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9590 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9592 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9593 * dwarf2out.h: Remove the prototype for
9594 dwarf2out_add_library_unit_info.
9596 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9598 * tree.c (add_var_to_bind_expr): Remove.
9599 * tree.h: Remove the prototype for add_var_to_bind_expr.
9601 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9603 * regclass.c (n_non_fixed_regs): Remove.
9604 (init_reg_sets_1, globalize_reg): Remove all uses of
9606 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9608 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9610 * rtlanal.c (insns_safe_to_move_p): Remove.
9611 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9613 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9615 * expmed.c (expand_mult_add): Remove.
9616 * expr.h: Remove the prototype for expand_mult_add.
9618 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9620 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9621 and REG_SAVED_VAL_EXP constants.
9622 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9623 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9624 Handle regs stored by value.
9625 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9626 (execute_cfa_program): Handle DW_CFA_val_offset,
9627 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9628 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9629 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9630 (uw_install_context_1): Handle target regs stored by value.
9632 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9634 * tree-sra.c (tree_sra): Return todoflags;
9635 (generate_one_element): Set TODO_update_smt_usage if needed.
9636 (pass_sra): Remove TODO_update_smt_usage.
9637 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9639 (tree_ssa_forward_propagate_single_use_vars): Return
9640 TODO_update_smt_usage if we need to update SMT usage.
9641 (pass_forwprop): Remove TODO_update_smt_usage.
9643 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9645 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9646 (correct_use_link): Remove reference to get_stmt_operands.
9647 (update_stmt_operands): Likewise.
9648 (get_modify_expr_operands): New function factored out of
9649 parse_ssa_operands and get_expr_operands.
9650 Try to create V_MUST_DEFs for LHS by default.
9651 (get_expr_operands) <case MODIFY_EXPR>: Call
9652 get_modify_expr_operands.
9653 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9654 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9655 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9656 get_modify_expr_operands.
9658 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9660 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9661 * tree-flow.h: Remove the prototype for
9662 referenced_var_lookup_if_exists.
9664 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9666 PR rtl-optimization/26345
9668 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9670 2006-03-03 Roger Sayle <roger@eyesopen.com>
9672 PR tree-optimization/26524
9673 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9674 fold_convert to create a constant of the appropriate type.
9676 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9678 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9679 SYMBOL_REF_IN_BLOCK_P.
9680 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9681 of SYMBOL_FLAG_IN_BLOCK.
9682 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9683 instead of SYMBOL_REF_IN_BLOCK_P.
9684 * explow.c (use_anchored_address): Likewise.
9685 * rtl.c (rtx_size): Likewise.
9686 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9687 instead of SYMBOL_FLAG_IN_BLOCK.
9688 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9689 SYMBOL_REF_IN_BLOCK_P.
9690 (assemble_variable): Likewise.
9691 (output_constant_def_contents): Likewise.
9692 (output_constant_pool): Likewise.
9693 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9694 instead of SYMBOL_FLAG_IN_BLOCK.
9695 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9696 SYMBOL_REF_IN_BLOCK_P.
9697 (SYMBOL_REF_BLOCK): Likewise.
9698 (SYMBOL_REF_OFFSET): Likewise.
9699 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9700 SYMBOL_REF_IN_BLOCK_P.
9701 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9702 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9703 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9704 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9706 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9708 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9710 2006-03-02 Roger Sayle <roger@eyesopen.com>
9712 * simplify-rtx.c (simplify_unary_operation): When simplifying
9713 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9714 that we perform the right shift in the appropriate mode, and
9715 then extend or truncate the result to requested mode.
9717 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9719 * gengtype.c (main): Handle double_int type.
9720 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9721 * double-int.c: New file.
9722 * double-int.h: New file.
9723 * system.h: Include doubleint.h.
9724 * Makefile.in (SYSTEM_H): Include double-int.h.
9725 (double-int.o): Add.
9727 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9730 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9733 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9735 * tree-vrp.c (remove_range_assertions): Do not update statements
9738 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9740 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9742 * gcse.c (rest_of_handle_gcse): Ditto.
9743 * except.c (gate_handle_eh): Ditto.
9744 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9745 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9747 2006-03-02 Eric Christopher <echristo@apple.com>
9749 * config/i386/i386.c (machopic_output_stub): Add indirection to
9752 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9756 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9758 Sun Niagara specific optimizations.
9759 * config.gcc: Recognize niagara as target.
9760 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9761 (TARGET_CPU_niagara): Define.
9762 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9763 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9764 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9765 (ASM_CPU_SPEC): Likewise.
9766 (PROCESSOR_NIAGARA): New enum entry.
9767 (REGISTER_MOVE_COST): Handle Niagara.
9768 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9769 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9770 (sparc_override_options): Recognize "niagara", set appropriate
9771 default MASK_* values for it, and align functions to 32-bytes
9772 by default just like ULTRASPARC/ULTRASPARC3.
9773 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9774 (sparc64_initialize_trampoline): Likewise.
9775 (sparc_use_sched_lookahead): Use zero for niagara.
9776 (sparc_issue_rate): Use one for niagara.
9777 * config/sparc/niagara.md: New file.
9778 * config/sparc/sparc.md: Include it.
9779 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9780 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9781 when default cpu is niagara.
9782 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9783 (ASM_CPU_SPEC): Likewise.
9784 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9785 when default cpu is niagara.
9786 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9787 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9788 just like v9/ultrasparc/ultrasparc3.
9789 * doc/invoke.texi: Add documentation for "niagara" and improve
9790 existing documentation for ultrasparc variants.
9792 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9794 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9796 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9798 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9799 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9800 and say that only one is needed.
9801 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9802 * target.h (have_switchable_bss_sections): New hook.
9803 * explow.c (use_anchored_address): Check that the symbol is in a block.
9804 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9805 (bss_noswitch_section): New variables.
9806 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9807 (get_noswitch_section): New function.
9808 (get_block_for_section): Allow SECT to be null.
9809 (unlikely_text_section_p): Use SECTION_STYLE.
9810 (bss_initializer_p): New function.
9811 (get_variable_section): Move earlier in file. Take a new argument,
9812 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9813 Return one of the new *_sections in such cases.
9814 (get_block_for_decl): New function, extracting some logic from
9815 use_blocks_for_decl_p.
9816 (change_symbol_section): Remove in favor of...
9817 (change_symbol_block): ...this new function.
9818 (use_blocks_for_decl_p): Remove checks now performed by
9820 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9821 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9822 (emit_local, emit_bss, emit_common): ...these new functions.
9823 Return true if the alignment was honored.
9824 (emit_tls_common): New function.
9825 (asm_emit_uninitialised): Delete.
9826 (assemble_variable_noswitch): New function, split out from...
9827 (assemble_variable): ...here. Don't make decisions about common
9828 variables here. Globalize all public decls that go into non-common
9829 sections. Check whether SYMBOL_REF_BLOCK is null.
9830 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9831 (output_constant_pool): Likewise.
9832 (init_varasm_once): Initialize the new section variables.
9833 (have_global_bss_p): New function.
9834 (categorize_decl_for_section): Use bss_initializer_p.
9835 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9836 (place_block_symbol): Assert that the symbol must be in a block.
9837 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9838 (TARGET_INITIALIZER): Include it.
9839 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9840 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9841 (SECTION_MACH_DEP): Bump by two.
9842 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9843 (unnamed_section): Mention SECTION_UNNAMED in comment.
9844 (named_section): Likewise SECTION_NAMED.
9845 (noswitch_section_callback): New type.
9846 (noswitch_section): New structure.
9847 (section): Add a noswitch_section alternative.
9848 (SECTION_STYLE): New macro.
9849 (tls_comm_section, comm_section, lcomm_section): Declare.
9850 (bss_noswitch_section, have_global_bss_p): Declare.
9851 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9852 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9854 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9855 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9858 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9860 * tree-vrp.c (execute_vrp): Return value.
9861 * regrename.c (rest_of_handle_regrename): Ditto.
9862 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9863 * tree-complex.c (tree_lower_complex): Ditto.
9864 (tree_lower_complex_O0): Ditto.
9865 * tracer.c (rest_of_handle_tracer): Ditto.
9866 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9867 * postreload.c (rest_of_handle_postreload): Ditto.
9868 * tree-tailcall.c (execute_tail_recursion): Ditto.
9869 (execute_tail_calls): Ditto.
9870 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9871 * tree.h (init_function_for_compilation): Ditto.
9872 * ipa-cp.c (ipcp_driver): Ditto.
9873 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9874 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9875 * final.c (compute_alignments): Ditto.
9876 (rest_of_handle_final): Ditto.
9877 (rest_of_handle_shorten_branches): Ditto.
9878 (rest_of_clean_state): Ditto.
9879 * omp-low.c (execute_expand_omp): Ditto.
9880 (execute_lower_omp): Ditto.
9881 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9882 * ipa-reference.c (static_execute): Ditto.
9883 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9884 * reorg.c (rest_of_handle_delay_slots): Ditto.
9885 (rest_of_handle_machine_reorg): Ditto.
9886 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9887 * flow.c (recompute_reg_usage): Ditto.
9888 (rest_of_handle_remove_death_notes): Ditto.
9889 (rest_of_handle_life): Ditto.
9890 (rest_of_handle_flow2): Ditto.
9891 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9892 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9893 (do_ssa_store_ccp): Ditto.
9894 (execute_fold_all_builtins): Ditto.
9895 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9896 * modulo-sched.c (rest_of_handle_sms): Ditto.
9897 * ipa-pure-const.c (static_execute): Ditto.
9898 * cse.c (rest_of_handle_cse): Ditto.
9899 (rest_of_handle_cse2): Ditto.
9900 * web.c (rest_of_handle_web): Ditto.
9901 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9902 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9903 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9904 * tree-nrv.c (tree_nrv): Ditto.
9905 (execute_return_slot_opt): Ditto.
9906 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9907 (create_structure_vars): Ditto.
9908 * loop-init.c (rtl_loop_init): Ditto.
9909 (rtl_loop_done): Ditto.
9910 (rtl_move_loop_invariants): Ditto.
9911 (rtl_unswitch): Ditto.
9912 (rtl_unroll_and_peel_loops): Ditto.
9913 (rtl_doloop): Ditto.
9914 * gimple-low.c (lower_function_body): Ditto.
9915 (mark_used_blocks): Ditto.
9916 * tree-ssa-sink.c (execute_sink_code): Ditto.
9917 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9918 (cgraph_early_inlining): Ditto.
9919 * global.c (rest_of_handle_global_alloc): Ditto.
9920 * jump.c (cleanup_barriers): Ditto.
9921 (purge_line_number_notes): Ditto.
9922 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9923 (rest_of_handle_if_after_reload): Ditto.
9924 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9925 (tree_ssa_loop_im): Ditto.
9926 (tree_ssa_loop_unswitch): Ditto.
9927 (tree_vectorize): Ditto.
9928 (tree_linear_transform): Ditto.
9929 (tree_ssa_loop_ivcanon): Ditto.
9930 (tree_ssa_empty_loop): Ditto.
9931 (tree_ssa_loop_bounds): Ditto.
9932 (tree_complete_unroll): Ditto.
9933 (tree_ssa_loop_prefetch): Ditto.
9934 (tree_ssa_loop_ivopts): Ditto.
9935 (tree_ssa_loop_done): Ditto.
9936 * predict.c (tree_estimate_probability): Ditto.
9937 * recog.c (split_all_insns_noflow): Ditto.
9938 (rest_of_handle_peephole2): Ditto.
9939 (rest_of_handle_split_all_insns): Ditto.
9940 * tree-eh.c (lower_eh_constructs): Ditto.
9941 * regmove.c (rest_of_handle_regmove): Ditto.
9942 (rest_of_handle_stack_adjustments): Ditto.
9943 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9944 * function.c (instantiate_virtual_regs): Ditto.
9945 (init_function_for_compilation): Ditto.
9946 (rest_of_handle_check_leaf_regs): Ditto.
9947 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9948 (rest_of_handle_gcse): Ditto.
9949 * ipa-type-escape.c (type_escape_execute): Ditto.
9950 * alias.c (rest_of_handle_cfg): Ditto.
9951 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9952 * profile.c (rest_of_handle_branch_prob): Ditto.
9953 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9954 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9955 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9956 * tree-dfa.c (find_referenced_vars): Ditto.
9957 * except.c (set_nothrow_function_flags): Ditto.
9958 (convert_to_eh_region_ranges): Ditto.
9959 (rest_of_handle_eh): Ditto.
9960 * emit-rtl.c (unshare_all_rtl): Ditto.
9961 (remove_unnecessary_notes): Ditto.
9962 * except.h (set_nothrow_function_flags): Ditto.
9963 (convert_to_eh_region_ranges): Ditto.
9964 * cfgexpand.c (tree_expand_cfg): Ditto.
9965 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9966 * tree-ssa-pre.c (do_pre): Ditto.
9967 (execute_fre): Ditto.
9968 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9969 (rest_of_handle_jump2): Ditto.
9970 * tree-sra.c (tree_sra): Ditto.
9971 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9972 (execute_mudflap_function_decls): Ditto.
9973 * tree-ssa-copy.c (do_copy_prop): Ditto.
9974 (do_store_copy_prop): Ditto.
9975 * ipa-prop.h (ipcp_driver): Ditto.
9976 * cfglayout.c (insn_locators_initialize): Ditto.
9977 * tree-ssa-forwprop.c
9978 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9979 * cfglayout.h (insn_locators_initialize): Ditto.
9980 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9981 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9982 (execute_late_warn_uninitialized): Ditto.
9983 * rtl.h (cleanup_barriers): Ditto.
9984 (split_all_insns_noflow): Ditto.
9985 (purge_line_number_notes): Ditto.
9986 (unshare_all_rtl): Ditto.
9987 (remove_unnecessary_notes): Ditto.
9988 (recompute_reg_usage): Ditto.
9989 (variable_tracking_main): Ditto.
9990 * integrate.c (emit_initial_value_sets): Ditto.
9991 * integrate.h (emit_initial_value_sets): Ditto.
9992 * tree-optimize.c (execute_free_datastructures): Ditto
9993 (execute_free_cfg_annotations): Ditto.
9994 (execute_fixup_cfg): Ditto.
9995 (execute_cleanup_cfg_pre_ipa): Ditto.
9996 (execute_cleanup_cfg_post_optimizing): Ditto.
9997 (execute_init_datastructures): Ditto.
9998 * tree-object-size.c (compute_object_sizes): Ditto.
9999 * combine.c (rest_of_handle_combine): Ditto.
10000 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10001 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10002 (rest_of_handle_reorder_blocks): Ditto.
10003 (rest_of_handle_partition_blocks): Ditto.
10004 * var-tracking.c (variable_tracking_main): Ditto.
10005 * tree-profile.c (tree_profiling): Ditto.
10006 * tree-vect-generic.c (expand_vector_operations): Ditto.
10007 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10008 * sched-rgn.c (rest_of_handle_sched): Ditto.
10009 (rest_of_handle_sched2): Ditto.
10010 * basic-block.h (free_bb_insn): Ditto.
10011 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10012 * tree-cfg.c (execute_build_cfg): Ditto.
10013 (remove_useless_stmts): Ditto.
10014 (split_critical_edges): Ditto.
10015 (execute_warn_function_return): Ditto.
10016 (execute_warn_function_noreturn): Ditto.
10017 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10018 * cfgrtl.c (free_bb_for_insn): Ditto.
10019 * passes.c (execute_one_pass): Run additional
10020 todos returned by execute function.
10021 * tree-pass.h (struct tree_opt_pass): Make execute
10024 2006-03-02 Richard Guenther <rguenther@suse.de>
10026 * tree-ssa-alias.c (find_used_portions): Consider taking
10027 the address as making the variable not write-only.
10029 2006-03-02 Nick Clifton <nickc@redhat.com>
10031 * config.gcc (default_use_cxa_atexit): Extend the description of
10032 this configure variable. Set its default value to "yes" for
10033 Linux, NetBSD and ELF targets on the assumption that they will
10034 use C libraries with the __cxa_atexit function.
10036 2006-03-02 Ben Elliston <bje@au.ibm.com>
10038 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10039 parameter as unused to suppress a build warning.
10041 2006-03-02 Ben Elliston <bje@au.ibm.com>
10043 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10046 2006-03-01 Roger Sayle <roger@eyesopen.com>
10049 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10050 declared name, the weak reference name, and the typeof name.
10051 (__gthrw): Avoid expanding the declared name suffix.
10052 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10054 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10056 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10058 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10059 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10060 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10061 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10062 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10063 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10064 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10065 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10066 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10067 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10068 (DW_END_default, DW_END_big, DW_END_little): New.
10069 (DW_END_lo_user, DW_END_hi_user): Define.
10070 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10071 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10072 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10075 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10077 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10079 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10081 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10083 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10085 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10086 to 'symbol_mem_tag'.
10088 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10091 2006-03-01 Roger Sayle <roger@eyesopen.com>
10093 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10095 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10098 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10099 MACHO_DYNAMIC_NO_PIC_P.
10100 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10102 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10105 * config/darwin-protos.h (darwin_asm_output_anchor):
10107 * config/darwin-sections.def (cstring_section):
10108 Add SECTION_MERGE to the flags.
10109 (literal4_section): Likewise.
10110 (literal8_section): Likewise.
10111 (objc_selector_refs_section): Likewise.
10112 (objc_cls_refs_section): Likewise.
10113 * config/darwin.c (darwin_asm_output_anchor): New
10115 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10117 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10119 Fix PR tree-optimization/26443
10120 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10121 to todo and PROP_tmt_usage to properties_destroyed.
10122 * tree-ssa-ccp.c (pass_ccp): Ditto.
10123 (pass_store_ccp): Ditto.
10124 * tree-ssa-dom.c (pass_dominator): Ditto.
10126 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10128 * tree-ssa-operands.c: Cleanup whitespace.
10129 (get_asm_expr_operands): Move before first invocation.
10130 (get_indirect_ref_operands): Likewise.
10131 (get_tmr_operands): Likewise.
10132 (get_call_expr_operands): Likewise.
10133 (append_def): Likewise.
10134 (append_use): Likewise.
10135 (append_v_may_def): Likewise.
10136 (append_v_must_def): Likewise.
10137 (add_call_clobber_ops): Likewise.
10138 (add_call_read_ops): Likewise.
10139 (add_stmt_operand): Likewise.
10140 (add_virtual_operand): Likewise.
10141 (build_ssa_operands): Likewise.
10143 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10145 PR middle-end/26022
10147 PR middle-end/24437
10148 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10149 with a call expr to ...
10150 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10152 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10154 * tree-vrp.c (extract_range_from_assert): Remove special
10155 handling for types with super-types.
10157 2006-03-01 Ben Elliston <bje@au.ibm.com>
10159 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10160 and powerpc64-*-linux* configurations.
10161 * config/t-dfprules: New file.
10163 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10164 Compile dfp-bit.c from the source directory using -DWIDTH and
10165 $DFP_CFLAGS to control the compilation of that file, rather than
10166 generating width-specific versions in the build directory.
10167 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10168 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10170 2006-02-28 Zack Weinberg <zackw@panix.com>
10172 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10175 2006-02-28 Eric Christopher <echristo@apple.com>
10177 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10178 Set up IN_LIBGCC definition of TARGET_64BIT.
10179 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10181 2006-02-28 Roger Sayle <roger@eyesopen.com>
10183 PR middle-end/14752
10184 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10185 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10186 cases via the construction of "expr != 0".
10188 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10190 * alias.c (alias_invariant, alias_invariant_size): Remove.
10191 (record_base_value): Remove.
10192 (memrefs_conflict_p): Don't look at alias_invariant.
10193 (end_alias_analysis): Don't free it.
10194 * alias.h (record_base_value): Remove prototype.
10196 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10197 Adam Nemet <anemet@caviumnetworks.com>
10199 * rtl.h (truncated_to_mode): Declare it.
10200 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10201 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10202 (RTL_HOOKS_INITIALIZER): Include it.
10203 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10204 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10205 reg_truncated_to_mode.
10206 * rtlanal.c (truncated_to_mode): Define it.
10207 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10209 2006-02-28 Jeff Law <law@redhat.com>
10211 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10212 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10213 the range allowed by TYPE_PRECISION.
10215 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10217 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10219 PR tree-optimization/26419
10220 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10223 2006-02-27 Zack Weinberg <zackw@panix.com>
10225 * doc/md.texi: Fix typo in previous change.
10227 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10231 2006-02-27 Zack Weinberg <zackw@panix.com>
10233 * rtl.def (define_constraint, define_register_constraint)
10234 (define_memory_constraint, define_address_constraint): New MD forms.
10235 * gensupport.c (process_rtx): Put define_constraint etc on the
10237 * genpreds.c (process_define_predicate): Adjust comment. Validate
10238 the name, and call validate_exp to validate the expression.
10239 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10240 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10241 all callers changed.
10242 (validate_exp, needs_variable, struct constraint_data)
10243 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10244 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10245 (const_dbl_constraints, constraint_max_namelen)
10246 (have_register_constraints, have_memory_constraints)
10247 (have_address_constraints, have_address_constraints)
10248 (have_extra_constraints, have_const_int_constraints)
10249 (have_const_dbl_constraints, mangle, add_constraint)
10250 (process_define_constraint, process_define_register_constraint)
10251 (write_enum_constraint_num, write_lookup_constraint)
10252 (write_insn_constraint_len, write_regclass_for_constraint)
10253 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10254 (write_insn_extra_memory_constraint)
10255 (write_insn_extra_address_constraint)
10256 (write_satisfies_constraint_fns): New.
10257 (write_tm_preds_h): If we have new-style constraint definitions,
10258 prototype the functions generated from them, and define the
10259 old constraint interface (still used by generic code) in terms of
10261 (write_insn_preds_c): If we have new-style constraint definitions,
10262 generate all relevant functions from those definitions.
10263 (main): Handle define_constraint etc.
10264 * genoutput.c (struct constraint_data, indep_constraints)
10265 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10266 (mdep_constraint_len): New data structures and functions, defined
10267 #ifdef USE_MD_CONSTRAINTS.
10268 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10269 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10270 use new logic to validate operand constraints against constraint
10272 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10274 * defaults.h: If none of the old-style constraint macros are
10275 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10276 old-style macros; and poison REG_CLASS_FROM_LETTER,
10277 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10279 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10280 * doc/md.texi: Document new constraint-definition mechanism and the
10281 C interface it provides. Remove references to old mechanism
10282 elsewhere in the document.
10283 (Machine Constraints): Use pathnames relative to gcc directory,
10284 i.e. config/ARCH/FILE. Change i386 section to refer to
10285 config/i386/predicates.md; update that section to match docstrings.
10286 * doc/tm.texi: Move all documentation of the old constraint-
10287 definition macros to their own section, clearly mark as obsolete.
10289 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10290 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10292 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10293 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10294 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10295 constraint strings.
10296 (splits and peepholes): Use satisfies_constraint_*.
10297 * config/i386/i386.c (memory_address_length)
10298 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10300 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10302 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10303 scalar operation to be put back into the loop.
10305 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10308 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10309 (extract_cie_info): Handle S flag in augmentation string.
10310 (execute_cfa_program): If context->signal_frame, execute also
10311 fs->pc == context->ra instructions.
10312 (uw_frame_state_for): If context->signal_frame, don't subtract one
10313 from context->ra to find FDE.
10314 (uw_update_context_1): Set context->signal_frame to
10316 (_Unwind_GetIPInfo): New function.
10317 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10318 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10320 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10321 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10322 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10323 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10324 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10325 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10326 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10327 x86_64_fallback_frame_state): Set fs->signal_frame.
10328 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10329 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10330 (frob_update_context): Likewise. Workaround missing S flag in
10331 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10332 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10333 Remove the psw_addr + 1 hack.
10335 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10337 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10338 with aggregates here.
10339 (find_func_aliases): Remove code for &<aggregate> from here.
10341 2006-02-26 Roger Sayle <roger@eyesopen.com>
10343 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10344 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10345 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10346 as (X & C) ne/eq 0.
10348 2006-02-26 Roger Sayle <roger@eyesopen.com>
10350 PR middle-end/19983
10351 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10353 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10355 * opts.c (decode_options): Do not handle flag_strength_reduce.
10356 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10357 and OPT_fstrength_reduce.
10358 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10359 flag_prefetch_loop_arrays for being nonzero.
10360 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10362 (fprefetch-loop-arrays-rtl): Removed.
10363 (flag_prefetch_loop_arrays): Do not specify the value.
10365 * doc/passes.texi: Update documentation of loop optimizer
10367 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10368 -frerun-loop-opt): Remove.
10370 2006-02-26 Richard Guenther <rguenther@suse.de>
10372 PR tree-optimization/26421
10373 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10374 in function calls that are ADDR_EXPRs as using the whole structure.
10376 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10378 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10379 * tree-pass.h (pass_loop_optimize): Remove.
10380 * passes.c (pass_loop_optimize): Never run it.
10381 * toplev.c (backend_init): Don't call init_loop.
10382 * opts.c (flag_loop_optimize_set): Remove.
10383 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10384 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10385 the old RTL loop optimizer when profiling enabled.
10386 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10387 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10388 pre-headers for the sake of the old RTL loop optimizer.
10389 * Makefile.in: Remove all references to loop.o.
10391 * doc/invoke.texi: Remove all references to -floop-optimize
10392 and -frerun-loop-opt.
10394 2006-02-26 Zack Weinberg <zackw@panix.com>
10396 * doc/md.texi (Machine Constraints): Refer to all files with paths
10397 relative to gcc directory (i.e. config/CPU/file). Add missing
10398 @table @code ... @end table to M32C subsection.
10400 2006-02-26 Roger Sayle <roger@eyesopen.com>
10402 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10404 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10406 2006-02-26 Roger Sayle <roger@eyesopen.com>
10407 James A. Morrison <phython@gcc.gnu.org>
10409 PR middle-end/21137
10410 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10411 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10412 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10413 signedness of the shift operation.
10415 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10417 PR tree-optimization/26359
10418 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10420 2006-02-25 Roger Sayle <roger@eyesopen.com>
10422 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10423 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10424 as X == 0, and some symmetry related transformations.
10425 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10427 2006-02-25 Roger Sayle <roger@eyesopen.com>
10429 PR middle-end/23673
10430 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10431 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10432 symmetry related transformations. Fold (X^C1) == C2 as
10435 2006-02-25 Juergen Weigert <jw@suse.de>
10436 Richard Guenther <rguenther@suse.de>
10438 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10440 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10442 * combine.c (gen_lowpart_or_truncate): Call
10443 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10445 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10447 * doc/invoke.texi: Move -fopenmp description to "Options for
10449 Remove reference to -lgomp.
10451 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10453 * doc/install.texi: Require GNU tar version 1.14.
10455 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10457 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10458 * doc/invoke.texi (C++ Dialect Options): Document
10459 -fno-use-cxa-get-exception-ptr.
10460 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10461 * configure: Regenerate.
10462 * c.opt (fuse-cxa-get-exception-ptr): New.
10463 * c-opts.c (c_common_handle_option): Handle
10464 OPT_fuse_cxa_get_exception_ptr.
10465 * c-common.c (flag_use_cxa_atexit): Update documentation.
10466 (flag_use_cxa_get_exception_ptr): New.
10467 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10468 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10470 (C_COMMON_OVERRIDE_OPTIONS): New.
10472 2006-02-24 Roger Sayle <roger@eyesopen.com>
10474 PR middle-end/24952
10475 * combine.c (try_combine): Explicitly check whether GET_CODE is
10476 a SET or a CLOBBER, instead on checking that it isn't a USE.
10478 2006-02-24 Roger Sayle <roger@eyesopen.com>
10480 * fold-const.c (fold_comparison): New subroutine of fold_binary
10481 containing transformations common to both the equality and
10482 ordering relational operators, factored out of fold_binary.
10483 (fold_binary): Separate out the equality operators (EQ_EXPR
10484 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10485 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10486 transformations common to both.
10487 (fold_div_compare): Fix latent bugs in the previously unreachable
10488 LT_EXPR and GE_EXPR cases.
10490 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10492 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10493 decl libname for clog to __clog on AIX.
10495 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10497 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10500 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10501 output traceback table for thunks. Localise rs6000_stack_info call.
10503 2006-02-23 Roger Sayle <roger@eyesopen.com>
10504 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10506 * gthr-posix.h (__gthrw): Fix typo in comment.
10508 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10510 * doc/cpp.texi (Character sets): Document that we do support
10511 input files to be in any character set.
10513 2006-02-23 Jeff Law <law@redhat.com>
10515 * tree.h (PHI_ARG_NONZERO): Remove.
10516 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10517 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10518 node to the new node.
10520 PR tree-optimization/26425
10521 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10522 min/max, then assume its varying.
10524 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10526 PR rtl-optimization/26316
10527 * rtlanal.c (enum may_trap_p_flags): New.
10528 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10529 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10530 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10531 (may_trap_after_code_motion_p): New function.
10532 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10533 (find_invariant_insn): Use may_trap_after_code_motion_p.
10534 * rtl.h (may_trap_after_code_motion_p): Declare.
10536 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10538 * emit-rtl.c (immed_double_const): Cleanup.
10540 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10542 Fix PR tree-optimization/26376
10543 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10546 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10548 PR middle-end/26412
10549 * gimplify.c (omp_add_variable): Guard variable size decl test with
10550 DECL_SIZE (decl) check.
10552 2006-02-23 Richard Guenther <rguenther@suse.de>
10554 PR middle-end/26439
10555 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10556 like aggregate types.
10558 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10560 * configure.ac: Add --with{,out}-long-double-128 configure option.
10561 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10562 * configure: Rebuilt.
10563 * config.in: Rebuilt.
10564 * doc/install.texi (Options specification): Document
10565 --with-long-double-128.
10567 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10568 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10569 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10570 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10572 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10574 * config/s390/s390.c (override_options): Handle
10575 TARGET_DEFAULT_LONG_DOUBLE_128.
10577 * config/alpha/alpha.c (override_options): Handle
10578 TARGET_DEFAULT_LONG_DOUBLE_128.
10580 * config/sparc/sparc.c (sparc_override_options): Handle
10581 TARGET_DEFAULT_LONG_DOUBLE_128.
10583 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10585 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10586 (real-install-headers-tar, real-install-headers-cpio)
10587 (real-install-headers-cp): New targets.
10589 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10591 * tree.h (variable_section): Delete.
10592 * varasm.c (variable_section): Delete.
10594 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10596 * install.texi: Add notes on install.texi2html.
10597 (Building in parallel): Do not use footnotes.
10599 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10602 * doc/install.texi (Configuration): Document --disable-libgomp.
10604 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10606 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10608 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10610 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10611 (vec_extractv2df_0_sse): New.
10613 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10615 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10616 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10617 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10618 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10619 to the result of the expression.
10620 (def_cfa_1): Adjust.
10621 (frame_pointer_cfa_offset): Rename to...
10622 (frame_pointer_fb_offset): ... this. Adjust all uses.
10623 (convert_cfa_to_loc_list): Rename to...
10624 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10625 Pass it on to build_cfa_loc.
10626 (compute_frame_pointer_to_cfa_displacement): Rename to...
10627 (compute_frame_pointer_to_fb_displacement): ... this. New
10628 offset parameter. Use it in computation.
10629 (gen_subprogram_die): Compute cfa_fb_offset with the new
10630 macro, and use it to compute the fb loc list and the
10633 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10635 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10636 replaced with register_operand.
10637 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10638 non-DREG is expensive.
10639 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10640 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10643 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10645 * doc/install.texi2html: Use set -e.
10647 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10649 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10650 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10651 * doc/invoke.texi (-fshared-data): Delete.
10652 * common.opt (fshared-data): Delete.
10653 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10654 (assemble_static_space): Remove #if 0 code.
10655 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10656 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10657 * config/cris/cris.h: Remove FIXME.
10659 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10661 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10664 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10666 PR middle-end/26379
10667 * combine.c (simplify_shift_const_1): Disable nested shifts
10668 optimization for vector shifts.
10670 2006-02-20 Roger Sayle <roger@eyesopen.com>
10672 PR tree-optimization/26361
10673 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10674 of unsigned integer types.
10676 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10678 * tree-chrec.c (eq_evolutions_p): New.
10679 * tree-chrec.h (eq_evolutions_p): Declared.
10680 * tree-data-ref.c: Fix formatting.
10681 (datadep_stats, dependence_stats): New.
10683 (print_direction_vector): New.
10684 (dump_data_dependence_relation): Use print_direction_vector.
10685 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10686 (compute_subscript_distance): Static.
10687 (initialize_data_dependence_relation): Static. Get the number
10688 of loops surrounding the references from the callers, and initialize
10689 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10690 base_object_differ_p analyzers.
10691 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10692 compute_overlap_steps_for_affine_1_2,
10693 analyze_subscript_affine_affine): Count the classified dependences.
10694 Print a message when a test failed.
10695 (can_use_analyze_subscript_affine_affine): New.
10696 (analyze_siv_subscript): Compute the data dependences on symbolic
10697 scevs that verify can_use_analyze_subscript_affine_affine.
10698 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10699 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10700 Handle symbolic scevs.
10701 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10703 (subscript_dependence_tester): Moved...
10704 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10705 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10706 DDR_SIZE_VECT instead of getting it in parameter.
10707 (subscript_dependence_tester): ... here. Take as a parameter
10708 loop_nest_depth. Call build_classic_dist_vector and
10709 build_classic_dir_vector.
10710 (compute_affine_dependence): Update subscript_dependence_tester
10711 parameters. Update datadep_stats counters. Call
10712 compute_subscript_distance.
10713 (compute_self_dependence): Save the dist and dir vectors. Call
10714 compute_subscript_distance.
10715 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10716 (compute_all_dependences): Reorder parameters as they were before
10717 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10718 compute_subscript_distance. Update the use of
10719 compute_affine_dependence and initialize_data_dependence_relation.
10720 (find_data_references_in_loop): Handle COMPONENT_REF.
10721 (compute_data_dependences_for_loop): Initialize dependence_stats.
10722 Don't call build_classic_dist_vector and build_classic_dir_vector.
10723 Update the parameters of initialize_data_dependence_relation and
10724 compute_all_dependences. Print the statistics from datadep_stats.
10725 (analyze_all_data_dependences): Static. Not used until the pass for
10726 checking the data dependences is contributed.
10727 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10728 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10729 (initialize_data_dependence_relation, compute_affine_dependence,
10730 analyze_all_data_dependences, compute_subscript_distance): Removed.
10731 (print_direction_vector): New.
10732 * lambda.h (gcd): ... here.
10733 (lambda_vector_gcd): Moved here from gcd_vector.
10734 * lambda-code.c (gcd, gcd_vector): Removed.
10735 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10736 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10738 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10740 * ipa-type-escape.c: Tidy some comments and white space.
10741 * tree-ssa-operands.c: Likewise.
10743 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10746 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10747 (dump_decl_name): Do not walk the decl tree chains.
10748 * tree-pass.h (TDF_CHAIN): Remove.
10750 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10752 * Makefile.in (C): Remove
10754 (.PHONY): Remove C and PROTO
10756 2006-02-20 Roger Sayle <roger@eyesopen.com>
10758 PR middle-end/26236
10759 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10760 deprecated CHAR_TYPE tree code.
10762 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10764 * configure.ac (target_list): Add install-info, dvi, html.
10765 * configure: Regenerate.
10767 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10768 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10769 treelang/Make-lang.in: Do not use double-colon rules.
10771 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10773 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10774 (TMT_USED_ALONE): New macro.
10775 * tree-pass.h (PROP_tmt_usage): New property.
10776 (TODO_update_tmt_usage): New todo.
10777 * tree-ssa-alias.c (updating_used_alone): New variable.
10778 (recalculate_used_alone): New function.
10779 (compute_may_aliases): Set updating_used_alone, call
10780 recalculate_used_alone.
10781 * tree-sra.c (pass_sra): Note that this pass destroys
10782 PROP_tmt_usage, and add TODO_update_tmt_usage.
10783 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10784 * tree-flow.h (updating_used_alone): Prototype.
10785 (recalculate_used_alone): Ditto.
10786 * passes.c (execute_todo): Add code to set updating_used_alone,
10787 and call recalculate.
10788 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10789 for clobber if used alone, and add assert to verify used_alone
10792 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10794 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10795 for non tls symbols added.
10796 (legitimize_address): Do nothing for PLUS expressions if one of the
10797 addends is a tls symbol reference.
10799 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10803 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10805 * Makefile.in (BOOTSTRAPPING): New.
10806 (quickstrap): New definition if BOOTSTRAPPING=yes.
10808 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10809 * configure.ac: Substitute all_selected_languages with the languages
10810 that were configured. For all the other variables except
10811 lang_specs_files, include all the languages in the tree.
10812 * configure: Regenerate.
10814 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10815 if there is one. Run the commands to run fixincludes in the same
10818 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10819 * doc/install.texi: Document exact conventions for searching target tools.
10820 Document --with-build-time-tools. Document toplevel bootstrap. Document
10821 something more about building an Ada cross-compiler. Don't list GNU Make
10822 requirements which affect all platforms.
10824 2006-02-19 Roger Sayle <roger@eyesopen.com>
10826 PR middle-end/19543
10827 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10828 only equivalent if the have both the same mode and precision.
10830 2006-02-20 Ben Elliston <bje@au.ibm.com>
10832 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10834 2006-02-19 Roger Sayle <roger@eyesopen.com>
10835 Steven Bosscher <stevenb.gcc@gmail.com>
10837 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10838 constant pool references to identify stack mode constants.
10839 * rtlanal.c (constant_pool_constant_p): New predicate to check
10840 whether operand is a floating point constant in the pool.
10841 * rtl.h (constant_pool_constant_p): Prototype here.
10842 * loop.c (scan_loop): Avoid hoisting constants from the constant
10843 pool on STACK_REGS targets.
10844 (load_mems): Likewise.
10845 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10846 loads into x87 registers expensive in terms of register pressure.
10848 2006-02-19 Roger Sayle <roger@eyesopen.com>
10850 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10851 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10853 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10855 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10856 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10858 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10860 * doc/invoke.texi: Document -fipa-pta.
10861 * common.opt: Add ipa-pta option.
10862 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10863 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10864 (do_ds_constraint): Ditto.
10865 (get_constraint_for): Only add to referenced_vars if
10866 referenced_vars exists.
10867 (insert_into_field_list): Rewrite to do this unsorted.
10868 (insert_into_field_list_sorted): Rename old insert_into_field_list
10870 (create_function_info_for): Use insert_into_field_list_sorted.
10871 (create_variable_info_for): Rewrite so it uses unsorted version,
10872 since the field list is sorted.
10873 (intra_create_variable_infos): Only add to referenced_vars if
10874 referenced_vars exists.
10875 (ipa_pta_execute): Init heapvars, and delete when done.
10876 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10878 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10880 * doc/install.texi: Add missing `@samp'.
10882 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10884 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10887 2006-02-18 Mark Wielaard <mark@klomp.org>
10889 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10890 who added new 4.1 features, bug fixes and integration support.
10892 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10895 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10896 MEM for ABI_V4 pic.
10898 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10900 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10901 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10902 (copy_insn_1): Likewise. Don't copy each field individually.
10904 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10906 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10907 * rtl.c (rtx_size): Rename variable to...
10908 (rtx_code_size): ...this.
10909 (rtx_size): New function.
10910 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10911 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10913 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10914 * rtl.h (rtx_code_size): New variable.
10915 (rtx_size): Change from a variable to a function.
10916 (RTX_SIZE): Rename to...
10917 (RTX_CODE_SIZE): ...this.
10920 PR tree-optimization/17106
10921 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10922 (Anchored Addresses): New section.
10923 * doc/invoke.texi (-fsection-anchors): Document.
10924 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10925 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10926 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10927 * hooks.c (hook_bool_mode_rtx_false): New function.
10928 * hooks.h (hook_bool_mode_rtx_false): Declare.
10929 * gengtype.c (create_optional_field): New function.
10930 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10931 SYMBOL_REF_IN_BLOCK_P is true.
10932 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10933 (min_anchor_offset, max_anchor_offset): Likewise.
10934 (use_anchors_for_symbol_p): New hook.
10935 * toplev.c (compile_file): Call output_object_blocks.
10936 (target_supports_section_anchors_p): New function.
10937 (process_options): Check that -fsection-anchors is only used on
10938 targets that support it and when -funit-at-a-time is in effect.
10939 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10940 if the decl doesn't have one.
10941 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10942 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10943 of force_const_mem through use_anchored_address.
10944 (expand_expr_constant): New function.
10945 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10946 calling expand_expr for INDIRECT_REF.
10947 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10948 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10949 * expr.h (use_anchored_address): Declare.
10950 * loop-unroll.c: Don't declare rtx vectors here.
10951 * explow.c: Include output.h.
10952 (validize_mem): Call use_anchored_address.
10953 (use_anchored_address): New function.
10954 * common.opt (-fsection-anchors): New switch.
10955 * varasm.c (object_block_htab, anchor_labelno): New variables.
10956 (hash_section, object_block_entry_eq, object_block_entry_hash)
10957 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10958 (use_blocks_for_decl_p, change_symbol_section): New functions.
10959 (get_variable_section): New function, split out from assemble_variable.
10960 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10961 use_blocks_for_decl_p say so. Use change_symbol_section if the
10962 symbol has already been created.
10963 (assemble_variable_contents): New function, split out from...
10964 (assemble_variable): ...here. Don't output any code for
10965 block symbols; just pass them to place_block_symbol.
10966 Use get_variable_section and assemble_variable_contents.
10967 (get_constant_alignment, get_constant_section, get_constant_size): New
10968 functions, split from output_constant_def_contents.
10969 (build_constant_desc): Create a block symbol if use_object_blocks_p
10970 says so. Or into SYMBOL_REF_FLAGS.
10971 (assemble_constant_contents): New function, split from...
10972 (output_constant_def_contents): ...here. Don't output any code
10973 for block symbols; just pass them to place_section_symbol.
10974 Use get_constant_section and get_constant_alignment.
10975 (force_const_mem): Create a block symbol if use_object_blocks_p and
10976 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10977 (output_constant_pool_1): Add an explicit alignment argument.
10978 Don't switch sections here.
10979 (output_constant_pool): Adjust call to output_constant_pool_1.
10980 Switch sections here instead. Don't output anything for block symbols;
10981 just pass them to place_block_symbol.
10982 (init_varasm_once): Initialize object_block_htab.
10983 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10984 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10985 (place_block_symbol, get_section_anchor, output_object_block)
10986 (output_object_block_htab, output_object_blocks): New functions.
10987 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10988 (TARGET_ASM_OUT): Include it.
10989 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10990 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10991 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10992 (TARGET_INITIALIZER): Include them.
10993 * rtl.c (rtl_check_failed_block_symbol): New function.
10994 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10995 (block_symbol, object_block): New structures.
10996 (rtx_def): Add a block_symbol field to the union.
10997 (BLOCK_SYMBOL_CHECK): New macro.
10998 (rtl_check_failed_block_symbol): Declare.
10999 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11000 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11001 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11002 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11003 * output.h (output_section_symbols): Declare.
11004 (object_block): Name structure.
11005 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11006 (default_use_anchors_for_symbol_p): Declare.
11007 * Makefile.in (RTL_BASE_H): Add vec.h.
11008 (explow.o): Depend on output.h.
11009 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11010 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11011 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11012 (rs6000_use_blocks_for_constant_p): New function.
11014 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11016 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11018 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11021 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11024 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11026 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11030 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11032 PR middle-end/26334
11033 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11034 instead of DECL_REGISTER.
11036 2006-02-18 Olivier Hainque <hainque@adacore.com>
11039 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11041 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11044 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11045 * opth-gen.awk: Handle Var and InverseMask together.
11046 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11047 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11048 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11049 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11051 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11052 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11053 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11054 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11055 LINUX_DYNAMIC_LINKER): Define.
11056 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11057 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11059 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11060 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11061 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11062 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11063 (TARGET_C99_FUNCTIONS): Don't define.
11064 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11065 GLIBC_DYNAMIC_LINKER.
11066 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11067 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11068 GLIBC_DYNAMIC_LINKER64): Define.
11069 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11070 LINUX_DYNAMIC_LINKER64.
11071 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11072 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11073 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11074 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11075 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11076 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11077 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11078 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11079 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11080 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11081 and LINUX_DYNAMIC_LINKER32.
11082 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11083 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11084 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11085 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11086 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11088 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11089 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11090 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11091 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11092 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11093 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11094 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11095 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11096 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11097 LINUX_DYNAMIC_LINKER): Define.
11098 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11099 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11100 GLIBC_DYNAMIC_LINKER64): Define.
11101 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11102 LINUX_DYNAMIC_LINKER64.
11103 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11104 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11105 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11106 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11107 LINUX_DYNAMIC_LINKER): Define.
11108 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11109 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11110 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11111 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11112 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11113 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11114 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11115 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11116 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11117 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11118 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11119 * doc/invoke.texi (-muclibc): Remove caveat about supported
11122 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11124 * doc/cpp.texi (__TIMESTAMP__): Document.
11126 2006-02-17 Roger Sayle <roger@eyesopen.com>
11128 PR middle-end/25600
11129 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11130 C is one less than the width of X (and related transformations).
11131 * simplify-rtx.c (simplify_unary_operation_1): Transform
11132 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11133 depending on STORE_FLAG_VALUE, were C is one less then the
11136 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11138 Fix PR tree-optimization/26341
11139 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11140 about NAME_MEMORY_TAG's.
11142 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11145 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11146 with hardware float support, and software float support. Add fcpy
11147 alternative to hardware patterns. Add alternatives to copy between
11148 general and floating-point registers to the 32-bit pattern.
11149 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11150 secondary reload to load a QI or HI mode constant into a floating
11152 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11153 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11155 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11158 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11160 (load_macho_picbase_di): Likewise.
11162 2006-02-16 Jeff Law <law@redhat.com>
11164 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11165 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11166 (ssa_name_nonzero_p): Likewise.
11167 (get_value_range): Return NULL if VRP is not running.
11168 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11169 VRP routines do not discover a range.
11170 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11171 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11172 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11173 (tree_expr_nonnegative_p): Similarly.
11174 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11175 (restore_nonzero_vars_to_original_value): Remove.
11176 (unsafe_associative_fp_binop): Remove.
11177 (tree_ssa_dominator_optimize): Remove initialization and
11178 finalization of nonzero_vars and nonzero_vars_stack.
11179 (dom_opt_initialize_block): No longer push marker on
11180 nonzero_vars_stack.
11181 (dom_opt_finalize_block): No longer call
11182 restore_nonzero_vars_to_original_value.
11183 (record_equivalences_from_phis): No longer look for
11184 nonzero PHI arguments.
11185 (cprop_into_successor_phis): No longer propagate nonzero
11186 property into PHI arguments. Lose unused argument. Caller
11188 (record_equivalences_from_stmt): No longer record nonzero
11189 values for SSA_NAMEs.
11190 (lookup_avail_expr): No longer use nonzero_vars.
11192 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11193 for sizetype when sizetype is unsigned.
11195 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11197 PR rtl-optimization/25603
11198 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11199 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11200 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11201 with new meaning of SETS.
11203 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11208 * config/linux.opt: New file.
11209 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11210 LINUX_DYNAMIC_LINKER): Define.
11211 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11212 * config.gcc (*-*-linux*): Define extra_options.
11213 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11214 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11215 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11216 GLIBC_DYNAMIC_LINKER.
11217 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11218 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11219 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11220 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11221 * doc/invoke.texi (GNU/Linux Options): New section.
11223 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11225 * config/sparc/sparc.md (setjmp): Rewrite.
11226 (setjmp_32): Delete.
11227 (setjmp_64): Likewise.
11229 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11231 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11234 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11236 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11239 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11241 PR rtl-optimization/26296
11242 * Makefile.in (loop-invariant.c): Add except.h dependency.
11243 * loop-invariant.c: Include except.h.
11244 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11246 2005-02-16 Paul Brook <paul@codesourcery.com>
11248 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11251 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11253 PR rtl-optimization/25636
11254 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11255 when deciding whether an insn is an initializing insn.
11257 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11259 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11260 (tree_code_size): Ditto.
11261 * tree.h (struct tree_memory_tag): Remove parent_var.
11262 (struct tree_struct_field_tag): New.
11265 (union tree_node): Add sft member.
11266 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11268 (create_sft): Add size and offset argument, set SFT_OFFSET and
11270 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11271 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11272 * tree-flow-inline.h (get_subvar_at): Update for
11273 SFT_OFFSET/SFT_SIZE.
11274 (var_can_have_subvars): Ditto.
11275 (overlap_subvar): Ditto.
11276 * print-tree.c (print_node): Print out interesting things for
11278 * tree-flow.h (struct subvar): Remove offset and size members.
11279 * tree-ssa-operands.c (get_expr_operands): Update for
11280 get_indirect_ref_operands changes.
11281 (get_indirect_ref_operands): Call add_virtual_operand instead of
11282 add_stmt_operand. Only recurse on base var if requested.
11283 (access_can_touch_variable): New function.
11284 (add_stmt_operand): Split virtual operand handling into ...
11285 (add_virtual_operand): Here. Add offset, size, and for_clobber
11286 arguments. Prune alias sets.
11287 (add_call_clobber_ops): Call add_virtual_operand.
11289 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11291 PR middle-end/26300
11292 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11294 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11295 than TREE_CODE as index into omp_clause_num_ops array.
11297 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11299 PR rtl-optimization/26184
11300 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11302 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11303 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11304 must_precede, must_follow and tobe_scheduled.
11307 * opts.c (common_handle_option): Free new_option pointer.
11308 * df-core.c (df_analyze): Free postorder pointer.
11310 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11312 * Makefile.in: Fix the examples about the use of stamps
11314 2006-02-15 Michael Matz <matz@suse.de>
11316 PR middle-end/22275
11318 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11319 influenced by maximum_field_alignment or DECL_PACKED.
11320 (update_alignment_for_field): Ditto.
11321 (place_field): Ditto.
11322 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11325 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11327 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11328 (debug_flow_info): Pass it.
11329 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11330 * bb-reorder.c (reorder_basic_blocks): Likewise.
11331 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11332 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11333 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11334 * gcse.c (gcse_main, bypass_jumps): Likewise.
11335 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11336 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11337 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11338 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11339 * rtl.h (dump_flow_info): Adjust prototype.
11340 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11341 * var-tracking.c (variable_tracking_main): Likewise.
11342 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11343 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11346 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11348 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11351 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11353 PR tree-optimization/26209
11354 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11355 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11357 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11359 2006-02-14 Roger Sayle <roger@eyesopen.com>
11361 PR middle-end/23670
11362 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11363 (X,Y) and the corresponding symmetry related transformations.
11364 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11365 (X,Y) and its symmetry related transformations.
11367 2006-02-14 Roger Sayle <roger@eyesopen.com>
11369 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11372 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11374 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11376 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11379 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11380 support COMDAT group.
11381 * configure: Regenerate.
11383 2006-02-14 Roger Sayle <roger@eyesopen.com>
11385 PR middle-end/26279
11386 PR middle-end/26280
11387 PR middle-end/26283
11388 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11390 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11392 Fix PR tree-optimization/26260
11394 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11396 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11397 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11398 * tree-ssa-structalias.c (create_variable_info_for): Use
11399 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11401 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11403 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11405 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11406 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11407 of the ending condition.
11408 * tree-ssa-loop-manip.c: Include params.h.
11409 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11410 tree_unroll_loop): New functions.
11411 * tree-pass.h (pass_loop_prefetch): Declare.
11412 * loop.c (rest_of_handle_loop_optimize): Test for
11413 -fprefetch-loop-arrays-rtl.
11414 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11415 * timevar.def (TV_TREE_PREFETCH): New timevar.
11416 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11417 pass_loop_prefetch): New.
11418 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11419 (cleanup_tree_cfg_loop): Call scev_reset.
11420 * common.opt (fprefetch-loop-arrays-rtl): Add.
11421 * tree-ssa-loop-prefetch.c: New file.
11422 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11423 (new_temp_expr_table): Initialize expr_vars.
11424 (free_temp_expr_table): Cleanup expr_vars.
11425 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11426 expressions from being merged into one.
11427 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11428 (struct tree_niter_desc): Add control, bound and cmp fields.
11429 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11431 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11432 (tree-cfgcleanup.o): Add SCEV_H dependency.
11433 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11434 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11436 2006-02-14 Richard Guenther <rguenther@suse.de>
11438 PR tree-optimization/26258
11439 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11440 in PHI argument processing.
11442 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11444 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11445 new expression in the requested machine mode.
11447 2006-02-13 Roger Sayle <roger@eyesopen.com>
11449 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11450 directly, instead let do_compare_rtx_and_jump handle this for us.
11451 * expr.c (expand_expr_real_1): Likewise.
11452 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11453 before do_jump_by_parts_greater.
11454 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11455 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11457 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11459 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11461 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11463 PR rtl-optimization/26235
11464 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11465 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11468 2006-02-13 Jeff Law <law@redhat.com>
11470 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11473 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11475 PR middle-end/26092
11476 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11477 twice if decl is a builtin. When trying again, call get_callee_fndecl
11478 first to verify it is still a builtin.
11480 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11482 * dwarf2out.c (base_type_die): Don't add AT_name here.
11483 (subrange_type_die): Don't add AT_name here.
11484 (modified_type_die): Rearrange code flow. Do add AT_name here.
11486 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11488 PR rtl-optimization/26247
11489 PR rtl-optimization/26248
11490 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11492 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11494 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11495 * config/fixtfdi.c: Likewise.
11496 * config/fixunstfdi.c: Likewise.
11497 * config/floatditf.c: Likewise.
11499 2006-02-13 Roger Sayle <roger@eyesopen.com>
11501 PR middle-end/24427
11502 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11503 into (X,C2) if C1 is a subset of the bits of C2. Transform
11504 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11506 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11508 2006-02-13 Josh Conner <jconner@apple.com>
11511 * varasm.c (function_section): Check for section name before
11512 calling select_section on targets that define
11513 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11514 unlikely_text_section instead of hot_function_section if
11515 first_function_block_is_cold.
11517 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11519 PR middle-end/25335
11520 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11522 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11524 PR rtl-optimization/26222
11525 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11526 after tree->rtl expansion.
11527 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11528 before passing it to emit_move_insn.
11530 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11532 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11534 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11535 Clarify documentation.
11536 * c-common.h (warn_write_strings): Remove.
11537 * c-common.c (warn_write_strings): Likewise.
11538 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11541 2006-02-12 Roger Sayle <roger@eyesopen.com>
11543 PR middle-end/25724
11544 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11545 (do_jump_parts_zero_rtx): New function renamed from
11546 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11547 (do_jump_parts_equality_rtx): New function split out from
11548 do_jump_parts_equality. Old implementation renamed as above.
11549 Call do_jump_parts_zero_rtx if either operand is zero.
11550 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11551 do all of the heavy lifting.
11552 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11553 calling either do_jump_by_parts_greater_rtx or
11554 do_jump_by_parts_equality_rtx.
11555 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11556 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11557 moved to do_compare_rtx_and_jump, call it directly.
11558 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11559 mode argument. Call do_compare_rtx_and_jump.
11560 (emit_case_nodes): Update calls to do_jump_if_equal.
11562 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11564 PR rtl-optimization/26225
11565 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11567 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11569 PR rtl-optimization/26232
11570 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11572 2006-02-11 Jason Merrill <jason@redhat.com>
11575 * tree-inline.c (declare_return_variable): Just don't use the
11576 modify target if it's a gimple complex reg and the return slot
11579 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11581 * doc/contrib.texi: Update my entry.
11583 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11585 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11587 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11589 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11592 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11594 * doc/invoke.texi (-floop-optimize2): Removed.
11595 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11596 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11597 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11598 * common.opt (floop-optimize2): Removed.
11599 (fmove-loop-invariants): Enabled by default.
11601 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11603 * tree-if-conv.c (combine_blocks): Free the result of
11604 get_loop_exit_edges.
11606 2006-02-10 Jeff Law <law@redhat.com>
11608 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11610 PR tree-optimization/26213
11611 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11612 loop trying to follow SSA_NAME_VALUE chains.
11614 2006-02-10 Richard Guenther <rguenther@suse.de>
11616 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11617 deal with structures that end in implicitly variable sized arrays.
11619 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11621 PR rtl-optimization/24762
11622 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11625 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11627 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11628 (struct ivopts_data): Add regs_used field.
11629 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11630 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11631 instead of loop_data->regs_used;
11632 (free_loop_data): Do not free aux fields for loops.
11633 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11634 and tree_ssa_iv_optimize_finalize.
11636 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11638 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11640 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11643 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11644 computing the effective result type.
11646 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11648 PR inline-asm/16194
11649 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11650 (tree_overlaps_hard_reg_set): Declare.
11651 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11652 type and signature to match function type expected by walk_tree.
11653 (tree_overlaps_hard_reg_set): New function.
11654 (decl_conflicts_with_clobbers_p): Rename to:
11655 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11656 Use tree_overlaps_hard_reg_set. Changed caller.
11657 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11658 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11659 * cris.c (cris_md_asm_clobbers): Likewise.
11661 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11663 * reload1.c (emit_input_reload_insns): Delete code that tries to
11664 inherit using find_equiv_reg.
11666 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11668 * c-common.h (flag_const_strings): Don't declare.
11669 * c-common.c (flag_const_strings): Remove.
11670 * c.opt (fconst_strings): Remove.
11671 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11672 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11673 (c_common_init_options): Don't set flag_const_strings.
11674 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11676 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11678 * arm.md (tlobits_cbranch): New pattern.
11679 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11680 testing a single bit.
11682 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11685 * tree-ssa-pre.c (create_component_ref_by_pieces):
11686 Handle RETURN_DECL like VAR_DECL.
11688 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11690 PR middle-end/26134
11691 * fold-const.c (fold_indirect_ref_1): Fold
11692 "*(foo *)&complexfoo" to "__real__ complexfoo"
11693 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11695 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11697 * tree-flow-inline.h (var_can_have_subvars):
11698 Volatile variables should not have subvariables.
11700 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11703 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11704 multiplying unsigned values.
11707 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11709 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11711 2006-02-08 Jason Merrill <jason@redhat.com>
11714 * tree.def: Elaborate on difference from MODIFY_EXPR.
11715 * doc/c-tree.texi (INIT_EXPR): Likewise.
11716 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11717 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11718 (gimplify_target_expr): Likewise.
11719 (gimplify_cond_expr): Remove target handling.
11720 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11721 (gimplify_expr): Clobber it here.
11722 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11723 Do return slot optimization if we have an INIT_EXPR.
11726 * tree-inline.c (declare_return_variable): Also clear
11727 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11730 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11732 PR middle-end/22439
11733 * gimplify.c (gimplify_one_sizepos): Fix typo.
11735 2006-02-08 Jeff Law <law@redhat.com>
11737 PR tree-optimization/21417
11738 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11739 across a backedge if the control statement at the end of the
11740 block is data dependent on other statements in the same block.
11741 (record_temporary_equivalences_from_stmts): Remove over-conservative
11742 test for threading across backedges.
11744 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11745 control statement, handle all three special cases in the same
11746 manner as they all have the same desired solution. No longer
11747 special case edge flag updating when the post dominator is
11750 2006-02-08 Roger Sayle <roger@eyesopen.com>
11752 * tree.def (CHAR_TYPE): Remove.
11753 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11754 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11755 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11756 (gen_string_type_die): Delete unreachable function.
11758 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11759 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11760 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11761 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11762 * builtins.c (type_to_class): Likewise.
11763 * fold-const.c (fold_convert, build_range_check,
11764 merge_ranges): Likewise.
11765 * expr.c (count_type_elements): Likewise.
11766 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11767 * stor-layout.c (layout_type): Likewise.
11768 * ipa-type-escape.c (type_to_consider): Likewise.
11769 * gimplify.c (omp_firstprivatize_type_sizes,
11770 gimplify_type_sizes): Likewise.
11771 * explow.c (promote_mode): Likewise.
11772 * tree-sra.c (is_sra_scalar_type): Likewise.
11773 * varasm.c (output_constant): Likewise.
11774 * tree-inline.c (remap_type_1): Likewise.
11775 * convert.c (convert_to_pointer, convert_to_real,
11776 convert_to_integer, convert_to_complex): Likewise.
11778 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11780 * df-scan.c (df_def_record_1): A set destination may
11781 be a parallel regardless of mode.
11783 2006-02-08 Roger Sayle <roger@eyesopen.com>
11786 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11787 * config/mips/_tilib.c: Remove.
11788 * config/fixtfdi.c: New libgcc source file.
11789 * config/fixunstfdi.c: New source file.
11790 * config/floatditf.c: New source file.
11791 * config/floatunditf.c: New souce file.
11792 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11793 files above instead of config/mips/_tilib.c.
11794 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11796 2006-02-08 Jeff Law <law@redhat.com>
11798 PR tree-optimization/26169
11799 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11802 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11804 * df.h (DF_REG_SIZE): Return the length of the initialized
11807 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11809 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11810 __muldf3): Return a correctly signed zero.
11812 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11814 * passes.c (register_one_dump_file): Accept the current properties
11815 instead of pass number. Adjust call to dump_register. Remove
11817 (register_dump_files): Now a wrapper around...
11818 (register_dump_files_1): ... this one. Do not modify the pass
11820 (next_pass_1): Cosmetic fix.
11821 (execute_todo): Keep second parameter only. Use curr_properties
11822 instead of fetching it from the pass structure. Check and set
11824 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11825 instead of fetching it from the pass structure. Fix calls to
11826 execute_todo. Update curr_properties and initialize .vcg RTL dump
11827 after running the pass. Reset last_verified.
11828 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11830 (FIRST_AUTO_NUMBERED_DUMP): New.
11831 (dump_register): Remove "num" parameter, assign it within the
11833 (get_dump_file_name): Modify template for dumps.
11834 * tree-dump.h (dump_register): Adjust prototype.
11835 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11836 (PROP_trees): Add PROP_gimple_lomp.
11837 (TODO_set_props): New.
11838 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11839 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11840 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11842 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11844 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11845 (sparc64-*-linux*): Likewise.
11846 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11847 * config/sparc/t-linux: New file.
11848 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11849 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11850 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11851 -m32 -mlong-double-128.
11853 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11854 * config/alpha/t-linux: New file.
11855 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11857 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11858 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11859 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11860 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11861 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11862 (CPP_ARCH32_SPEC): Remove.
11864 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11866 PR tree-optimization/26145
11867 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11870 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11873 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11874 >= 240000 when generating code for SOM runtime.
11875 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11876 to $$dyncall when generating code for SOM runtime..
11878 2006-02-07 Dirk Mueller <dmueller@suse.com>
11881 * doc/invoke.texi (-Wsequence-point): Update documentation
11882 that -Wsequence-point is implemented for C++ as well.
11884 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11886 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11887 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11888 (LIB_SPEC): Likewise.
11889 * doc/invoke.texi (SPARC options): Document -pthread.
11891 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11893 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11896 2006-02-07 Roger Sayle <roger@eyesopen.com>
11898 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11899 Correct comment describing BOOLEAN_TYPE.
11901 2006-02-07 Dirk Mueller <dmueller@suse.com>
11903 * c.opt: C++ frontend supports -Wdiv-by-zero.
11904 * c-opts.c (c_common_handle_option): Remove dead case.
11906 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11908 * configure.ac (TLS assembler check): Do not enable TLS by
11909 default on SPARC/Solaris before version 10.
11910 * configure: Regenerate.
11912 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11914 * doc/invoke.texi (xl-compat): Document conversion and support
11917 2006-02-07 Jeff Law <law@redhat.com>
11919 * tree-vrp.c (find_conditional_asserts): Update comments.
11920 (simplify_stmt_for_jump_threading): New.
11921 (identify_jump_threads, finalize_jump_threads): New.
11922 (vrp_finalize): Call identify_jump_threads.
11923 (execute_vrp): Call finalize_jump_threads.
11924 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11925 (vrp_element, vrp_data, vrp_element_p): Remove.
11926 (vrp_hash_elt, vrp_variables_stack): Remove.
11927 (vrp_hash, vrp_eq, record_range): Remove.
11928 (simplify_cond_and_lookup_avail_expr): Remove.
11929 (extract_range_from_cond): Remove.
11930 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11931 (simplify_stmt_for_jump_threading): New.
11932 (dom_thread_across_edge): New wrapper.
11933 (tree_ssa_dominator_optimize): No longer initialize or
11934 finalize any of the VRP datastructures. Remove iteration
11935 step and simplify as a result of removal of iteration step.
11936 (pass_dominator): Perform a cfg cleanup after DOM.
11937 (dom_opt_finalize_block): Use the new common routines
11938 for threading jumps. Simplify stack management slightly.
11939 No longer need to unwind VRP state.
11940 (record_equivalences_from_incoming_edge): No longer record
11942 (eliminate_redundant_computations): No longer call
11943 simplify_cond_and_lookup_avail_expr.
11944 * tree-flow.h (potentially_threadable_block): Prototype.
11945 (thread_across_edge): Likewise.
11946 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11947 (tree-ssa-threadedge.o): Add dependencies.
11948 * tree-ssa-threadedge.c: New file.
11949 * passes.c (init_optimization_passes): Merge PHIs before
11950 calling VRP. Run VRP again late in the SSA optimization pipeline.
11952 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11954 * df-core.c (df_set_blocks): Do not dereference function pointers.
11955 (df_finish1): Likewise.
11956 (df_hybrid_search_forward): Likewise.
11957 (df_hybrid_search_backward): Likewise.
11958 (df_iterative_dataflow): Likewise.
11959 (df_analyze_problem): Likewise.
11960 (df_compact_blocks): Likewise.
11961 (df_dump): Likewise.
11962 * df-scan.c (df_rescan_blocks): Likewise.
11963 (df_record_entry_block_defs): Likewise.
11965 * genconditions.c (write_conditions): Guard the definition of
11966 'insn_conditions' with the check on GCC version.
11967 (write_writer): Guard the traversal 'insn_conditions' with
11968 the check on GCC version.
11970 2006-02-07 Richard Guenther <rguenther@suse.de>
11974 2006-01-30 Richard Guenther <rguenther@suse.de>
11976 * gimplify.c (gimplify_target_expr): Handle easy cases
11977 without creating a temporary.
11979 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11981 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11982 use of float in probability computations. Use edge probabilities
11983 in place of statically computed probabilities.
11984 (min_spec_prob): New static variable.
11985 (schedule_insns): Initialize it.
11986 (GET_SRC_PROB): Removed.
11987 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11989 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11992 * config/ia64/unwind-ia64.c: Revert last change.
11993 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11994 (INCOMING_FRAME_SP_OFFSET): Define.
11996 2006-02-06 Roger Sayle <roger@eyesopen.com>
11998 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12000 2006-02-07 Ben Elliston <bje@au.ibm.com>
12002 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12003 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12004 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12005 (ix86_return_in_memory): Handle TDmode.
12006 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12007 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12009 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12011 * reorg.c (dbr_schedule): Use dump_file instead of file.
12013 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12016 * config/ia64/predicates.md (extr_len_operand): New predicate.
12017 * config/ia64/ia64.md (extv): Tighten constraints.
12019 (*tbit_and_2): Ditto.
12020 (*tbit_and_3): Ditto.
12021 (*tbit_or_2): Ditto.
12022 (*tbit_or_3): Ditto.
12023 (*bit_zero): Ditto.
12026 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12029 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12031 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12033 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12034 loop_optimizer_init and loop_optimizer_finalize
12035 * tree-ssa-sink.c (execute_sink_code): Ditto.
12036 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12037 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12038 tree_ssa_loop_done): Ditto.
12039 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12040 * sched-ebb.c: Include output.h.
12041 (schedule_ebbs): Do not use dump argument.
12042 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12043 * loop.c (loop_dump_stream): Removed.
12044 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12046 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12047 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12048 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12049 loop_iterations, strength_reduce, record_biv, record_giv,
12050 final_giv_value, check_final_value, check_ext_dependent_givs,
12051 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12052 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12053 dump_file instead of loop_dump_stream.
12054 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12055 argument dump_file.
12056 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12058 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12059 * haifa-sched.c: Include output.h
12060 (schedule_insns, sched_init): Do not use dump argument.
12061 * mode-switching.c (optimize_mode_switching): Ditto.
12062 * modulo-sched.c (stats_file): Removed.
12063 (print_node_sched_params): Do not call argument dump_file.
12064 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12065 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12067 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12069 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12070 rtl_loop_init, rtl_loop_done): Ditto.
12071 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12072 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12074 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12075 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12076 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12077 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12078 * emit-rtl.c (renumber_insns): Ditto.
12079 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12080 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12081 * regclass.c (regclass): Ditto.
12082 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12083 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12084 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12085 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12087 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12088 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12090 * gcse.c (gcse_file, debug_stderr): Removed.
12091 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12092 rest_of_handle_gcse): Do not use dump argument.
12093 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12094 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12095 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12096 compute_code_hoist_vbeinout, compute_code_hoist_data,
12097 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12098 compute_store_table, build_store_vectors, insert_insn_start_bb,
12099 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12100 store_motion): Use dump_file instead of gcse_file.
12101 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12102 * profile.c (profile_dump_file): Removed.
12103 (branch_prob): Use dump_file instead of profile_dump_file.
12104 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12106 * tree-ssa-copy.c (dump_copy_of): Ditto.
12107 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12108 dump file to life_analysis.
12109 * bt-load.c (branch_target_load_optimize): Ditto.
12110 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12112 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12113 regclass, dbr_schedule): Declaration changed.
12114 * sched-int.h (sched_init): Declaration changed.
12115 * tree-profile.c (tree_profile_dump_file): Removed.
12116 (tree_profile_hooks): Removed profile_dump_file hook.
12117 * rtl-profile (rtl_profile_dump_file): Removed.
12118 (rtl_profile_hooks): emoved profile_dump_file hook.
12119 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12121 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12122 * tree-cfg.c (build_tree_cfg): Ditto.
12123 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12124 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12125 Declaration changed.
12126 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12127 life_analysis and schedule_insns.
12128 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12130 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12132 * config/mips/mips.c (mips_reorg): Ditto.
12133 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12136 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12138 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12139 (s390_mangle_fundamental_type): New.
12140 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12143 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12144 (alpha_mangle_fundamental_type): New.
12145 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12148 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12150 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12152 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12153 (sparc_mangle_fundamental_type): New.
12155 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12157 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12158 (s390x-*-linux*): Likewise.
12159 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12160 * config/s390/t-linux: New file.
12162 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12164 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12165 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12167 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12169 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12170 (ANTIC_SAFE_LOADS): New macro.
12171 (find_or_generate_expression): Add prototype.
12172 (set_contains_value): Allow null set for sake of not always having
12173 to allocate ANTIC_SAFE_LOADS.
12174 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12175 Allow COMPONENT_REF too.
12176 (valid_in_set): Allow COMPONENT_REF.
12177 Check ANTIC_SAFE_LOADS too.
12178 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12179 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12181 (can_PRE_operation): Add COMPONENT_REF.
12182 (create_component_ref_by_pieces): New function.
12183 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12184 (insert_aux): Move AGGREGATE_TYPE_P check here.
12185 (compute_avail): Set bb local stmt uids.
12186 (pass_pre): Use TODO_update_ssa_only_virtuals.
12188 2006-02-06 Ben Elliston <bje@au.ibm.com>
12190 * configure.ac: Unconditionally disable decimal float by default.
12191 * configure: Regenerate.
12193 2006-02-06 Ben Elliston <bje@au.ibm.com>
12195 * read-rtl.c (read_name): Terminate reading on EOF.
12197 2006-02-06 Ben Elliston <bje@au.ibm.com>
12199 * dfp.c (decimal_real_arithmetic): Change second argument type
12200 from int to enum tree_code. Do not always return true, but now
12201 return result of any call to decimal_do helper functions.
12202 * dfp.h (decimal_real_arithmetic): Update prototype.
12204 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12206 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12208 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12211 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12214 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12216 * tree-vrp.c (cfg_loops): Removed.
12217 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12218 Use current_loops instead of cfg_loops. Pass flags to
12219 loop_optimizer_init.
12220 * cfgloopmanip.c (fix_loop_structure): Update only available
12222 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12223 loop_optimizer_init.
12224 * modulo-sched.c (build_loops_structure): Removed.
12225 (sms_schedule): Use loop_optimizer_init.
12226 * loop-init.c (loop_optimizer_init): Use flags to determine
12227 which properties of loops to prepare.
12228 (rtl_loop_init): Pass flags to loop_optimizer_init.
12229 * tree-ssa-sink.c (execute_sink_code): Ditto.
12230 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12231 * tree-ssa-pre.c (init_pre): Ditto.
12232 * cfgloop.h (LOOPS_NORMAL): New.
12233 (loop_optimizer_init): Declaration changed.
12235 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12237 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12238 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12240 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12242 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12244 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12245 * pa/t-pa64: Delete quadlib.c rule.
12246 * pa/x-ada: Revert last change.
12247 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12249 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12251 PR rtl-optimization/26087
12252 * rtlanal.c (canonicalize_condition): Do not cross basic block
12255 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12258 * config/ia64/ia64.c: Include debug.h.
12259 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12260 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12261 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12262 (process_epilogue, process_set, process_for_unwind_directive):
12263 Output unwind info only if requested. Add CFA info if requested.
12264 Add new arguments as needed. Adjust callers.
12265 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12267 (DWARF2_FRAME_INFO): Define to zero.
12268 * config/ia64/unwind-ia64.c: Remove code that compensated for
12269 the CFA offset error fixed above.
12270 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12271 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12272 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12273 -funwind-tables and -fexceptions to enable frame info.
12274 (dwarf2out_frame_init): Define initial CFA even if
12275 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12276 DWARF2_UNWIND_INFO is nonzero, not just defined.
12277 (dwarf2out_frame_finish): Output non-EH call frame info only
12278 if DWARF2_FRAME_INFO is nonzero.
12279 (convert_cfa_to_loc_list,
12280 compute_frame_pointer_to_cfa_displacement): Define even if
12281 unwind info is not supported.
12282 (gen_subprogram_die): Use the above unconditionally. Remove
12283 legacy alternate code.
12284 * toplev.c (compile_file): Compile in call to
12285 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12286 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12288 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12289 Jakub Jelinek <jakub@redhat.com>
12291 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12292 IBM extended float format long double as "g" on powerpc*-linux.
12294 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12297 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12298 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12300 2006-02-03 Jason Merrill <jason@redhat.com>
12303 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12305 PR middle-end/25977
12306 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12307 on the return slot if it's an NRV.
12309 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12311 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12312 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12313 rewrite_use): Do not handle USE_OUTER.
12314 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12315 add_iv_outer_candidates, may_replace_final_value,
12316 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12317 (find_interesting_uses_op): Functionality of
12318 find_interesting_uses_outer_or_nonlin moved here.
12319 (find_interesting_uses_outside): Use find_interesting_uses_op.
12321 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12324 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12326 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12327 Ulrich Weigand <uweigand@de.ibm.com>
12330 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12331 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12332 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12333 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12335 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12336 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12337 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12338 Define secondary reloads for TFmode moves.
12339 (constant_modes): Add TFmode.
12340 (NR_C_MODES): Set to 8.
12341 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12343 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12344 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12345 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12346 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12347 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12348 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12349 (FPR mode macro): Add TFmode.
12350 (DSF mode macro): New.
12351 (<de>, <dee> mode attributes): Removed.
12352 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12353 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12354 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12355 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12356 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12357 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12358 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12359 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12360 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12361 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12362 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12363 "*negabs<mode>2", "sqrt<mode>2"):
12364 Changed <de> to <xde>. R constraint replaced by <Rf>.
12365 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12367 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12368 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12369 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12371 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12372 "extenddftf2", "extendsftf2"): New expanders.
12373 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12374 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12375 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12376 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12378 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12379 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12380 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12381 __floatditf): Add a GCC_4.1.0 symbol version tag.
12382 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12385 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12388 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12389 Use targetm.binds_local_p instead of TREE_PUBLIC.
12391 2006-02-02 Roger Sayle <roger@eyesopen.com>
12393 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12394 on INTEGER_TYPEs to indicate that it denotes a character type.
12395 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12396 signed_char_type_node, unsigned_char_type_node and char_type_node.
12397 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12398 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12399 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12401 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12402 Daniel Berlin <dberlin@dberlin.org>
12404 * tree-tailcall.c (arg_needs_copy_p): New function.
12405 (eliminate_tail_call): Use arg_needs_copy_p.
12406 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12407 (add_virtual_phis): New function.
12409 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12411 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12412 #ignore instead of #scratch for %g7 .register directive.
12414 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12416 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12419 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12421 * flow.c (calculate_global_regs_live): Assert that there aren't any
12424 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12426 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12427 what its name says.
12428 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12429 bsi_after_labels iterator.
12430 * tree-if-conv.c (find_phi_replacement_condition,
12431 replace_phi_with_cond_modify_expr): Likewise.
12432 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12433 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12435 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12437 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12439 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12442 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12443 array after growing it.
12445 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12447 PR middle-end/24901
12448 * fold-const.c (fold_checksum_tree): Change type of buf.
12450 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12452 * reload.c (push_secondary_reload): Initialize t_icode.
12454 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12456 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12457 -msoft-float -mlong-double-128 only issue a warning, but don't
12458 swich to DFmode long double.
12460 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12462 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12463 has a constant equivalent, iterate over equivalents for arg0,
12464 calling simplify_relational_operation and if there's a result
12465 cheaper than X, apply fold_rtx and return the result.
12467 2006-02-01 Jan Hubicka <jh@suse.cz>
12469 * opts.c (no_unit_at_a_time_default): New global variable.
12470 (decode_options): Use it.
12471 * opts.h (no_unit_at_a_time_default): Declare.
12473 2006-02-01 Paul Brook <paul@codesourcery.com>
12475 * function.c (assign_parm_setup_reg): Use function argument promotion
12477 * expr.c (expand_expr_real_1): Use function argument promotion rules
12480 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12482 * gcc.c (process_command): Change j to 'unsigned int'.
12484 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12486 PR middle-end/26001
12487 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12488 Use the corrected index for the character
12489 out of the string constant.
12491 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12493 * mode-switching.c (optimize_mode_switching): Fix size
12494 allocated for bb_info[n_entities].
12496 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12498 * gcc.c (main): Correct type that is allocated for
12499 explicit_link_files.
12501 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12503 * config/s390/s390.c (init_alignment_context): Set
12504 ALIAS_SET_MEMORY_BARRIER on the MEM.
12505 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12507 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12509 PR middle-end/25933
12510 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12512 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12515 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12517 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12518 * regrename.c: Ditto.
12519 * tree-ssa-loop-im.c: Ditto.
12520 * tree-dump.c: Ditto.
12521 * tree-complex.c: Ditto.
12522 * genrecog.c: Ditto.
12523 * tree-ssa-threadupdate.c: Ditto.
12525 * java/class.c: Ditto.
12526 * java/jcf-parse.c: Ditto.
12527 * java/resource.c: Ditto.
12528 * java/except.c: Ditto.
12529 * java/jvspec.c: Ditto.
12530 * java/jcf-write.c: Ditto.
12531 * java/jcf-path.c: Ditto.
12532 * java/gjavah.c: Ditto.
12533 * java/zextract.c: Ditto.
12534 * java/jcf-io.c: Ditto.
12535 * java/jcf.h: Ditto.
12536 * java/buffer.c: Ditto.
12537 * java/lang.c: Ditto.
12538 * java/parse-scan.y: Ditto.
12539 * java/lex.c: Ditto.
12540 * java/lex.h: Ditto.
12541 * cfgloopmanip.c: Ditto.
12542 * postreload-gcse.c: Ditto.
12543 * tree-ssa-loop-manip.c: Ditto.
12544 * postreload.c: Ditto.
12545 * tree-ssa-loop-ch.c: Ditto.
12548 * cppspec.c: Ditto.
12549 * diagnostic.c: Ditto.
12551 * genoutput.c: Ditto.
12553 * cfghooks.c: Ditto.
12554 * cfgloopanal.c: Ditto.
12555 * objc/objc-act.c: Ditto.
12557 * genextract.c: Ditto.
12558 * genautomata.c: Ditto.
12559 * pretty-print.c: Ditto.
12560 * genemit.c: Ditto.
12561 * cgraphunit.c: Ditto.
12563 * df-scan.c: Ditto.
12564 * haifa-sched.c: Ditto.
12565 * dominance.c: Ditto.
12567 * tree-ssa-loop-ivopts.c: Ditto.
12568 * df-core.c: Ditto.
12569 * mode-switching.c: Ditto.
12570 * modulo-sched.c: Ditto.
12572 * ipa-pure-const.c: Ditto.
12574 * fix-header.c: Ditto.
12576 * tree-stdarg.c: Ditto.
12577 * ipa-utils.c: Ditto.
12578 * loop-init.c: Ditto.
12579 * ipa-inline.c: Ditto.
12580 * cfganal.c: Ditto.
12582 * alloc-pool.c: Ditto.
12583 * dwarf2out.c: Ditto.
12585 * genattrtab.c: Ditto.
12586 * tree-ssa-loop-ivcanon.c: Ditto.
12587 * predict.c: Ditto.
12588 * timevar.c: Ditto.
12590 * fortran/gfortranspec.c: Ditto.
12591 * regmove.c: Ditto.
12592 * local-alloc.c: Ditto.
12593 * langhooks.c: Ditto.
12594 * function.c: Ditto.
12595 * tree-vectorizer.c: Ditto.
12597 * ipa-type-escape.c: Ditto.
12599 * tree-if-conv.c: Ditto.
12600 * profile.c: Ditto.
12602 * tree-data-ref.c: Ditto.
12603 * loop-unroll.c: Ditto.
12604 * treelang/treetree.c: Ditto.
12606 * bt-load.c: Ditto.
12607 * ggc-common.c: Ditto.
12609 * coverage.c: Ditto.
12611 * tree-cfgcleanup.c: Ditto.
12612 * tree-ssa-pre.c: Ditto.
12613 * cfgcleanup.c: Ditto.
12614 * loop-invariant.c: Ditto.
12615 * loop-iv.c: Ditto.
12616 * ipa-prop.c: Ditto.
12617 * print-tree.c: Ditto.
12618 * conflict.c: Ditto.
12619 * ggc-page.c: Ditto.
12620 * sched-deps.c: Ditto.
12621 * regclass.c: Ditto.
12622 * tree-object-size.c: Ditto.
12623 * combine.c: Ditto.
12624 * bb-reorder.c: Ditto.
12625 * resource.c: Ditto.
12626 * var-tracking.c: Ditto.
12627 * cfgloop.c: Ditto.
12628 * df-problems.c: Ditto.
12629 * reg-stack.c: Ditto.
12631 * gccspec.c: Ditto.
12632 * sched-rgn.c: Ditto.
12633 * tree-ssa-structalias.c: Ditto.
12634 * tree-ssa-reassoc.c: Ditto.
12635 * config/darwin-c.c: Ditto.
12636 * config/darwin.c: Ditto.
12637 * config/arm/arm.c: Ditto.
12639 * collect2.c: Ditto.
12640 * reload1.c: Ditto.
12642 2006-01-31 Nicolas Pitre <nico@cam.org>
12644 * arm.md (smaxsi3): Make aware of smax_m1.
12647 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12649 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12651 2006-01-31 Richard Guenther <rguenther@suse.de>
12653 * doc/invoke.texi (-msselibm): Document.
12654 * target.h (expand_library_builtin): New target hook.
12655 * builtins.c (expand_builtin): Use expand_library_builtin.
12656 (default_expand_library_builtin): New function.
12657 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12658 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12659 (link_gcc_math_spec): Declare.
12660 (static_specs): Add link_gcc_math_spec.
12661 * expr.h (default_expand_library_builtin): Declare.
12662 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12663 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12664 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12665 * config/i386/i386.opt (msselibm): New target option.
12666 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12667 (ix86_init_sse_abi_builtins): New function.
12668 (ix86_expand_library_builtin): Likewise.
12669 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12670 (override_options): Handle error conditions wrt -msselibm.
12671 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12672 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12673 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12676 2006-01-31 Richard Guenther <rguenther@suse.de>
12677 Paolo Bonzini <bonzini@gnu.org>
12679 * doc/install.texi (--disable-libgcc-math): Document.
12681 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12683 * expr.h (expand_normal): new inline function.
12684 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12685 * dojump.c: use it.
12686 * dwarf2out.c: use it.
12689 * expmed.c: use it.
12690 * except.c: use it.
12691 * config/sparc/sparc.c: use it.
12692 * config/i386/i386.c: use it.
12693 * config/rs6000/rs6000.c: use it.
12694 * config/arm/arm.c: use it.
12695 * config/mips/mips.c: use it.
12696 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12698 2006-01-30 Roger Sayle <roger@eyesopen.com>
12700 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12701 argv to the appropriate type.
12703 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12705 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12708 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12711 * config/s390/s390.c (struct machine_function): New flag
12712 decomposed_literal_pool_addresses_ok_p.
12713 (s390_reorg): Set it before final stage of literal pool transforms.
12714 (s390_decompose_address): Only accept displacements of the form
12715 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12717 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12719 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12720 the comparison routine return.
12722 2006-01-30 Michael Matz <matz@suse.de>
12724 * global.c (find_reg): Only evict for global regs.
12725 Take n_refs into account and dump more info.
12727 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12730 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12731 (pragma_trap, pragma_nosave_low_regs): Likewise.
12732 (current_function_anonymous_args): Likewise.
12733 (sh_deferred_function_attributes): New variable.
12734 (sh_deferred_function_attributes_tail): Likewise.
12735 (print_operand): For '@', look up trap_exit attribute.
12736 (calc_live_regs): Look up trapa_handler attribute. For trapa
12737 handlers, save/restore fpscr, but don't do any other
12738 interrupt-specific saves.
12739 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12740 Fix check for partially saved registers to check for SHmedia.
12741 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12742 (sh_output_function_epilogue): Don't clear any of the removed
12744 (sh_insert_attributes): Don't check pragma_interrupt.
12745 Insert deferred attributes. Check that interrupt attribute is
12746 present for other attributes that require its presence.
12747 (sh_attribute_table): Add new attributes trapa_handler and
12749 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12750 Don't check for pragma_interrupt. Don't store argument.
12751 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12752 (sh_deferred_function_attributes): Declare.
12753 (sh_deferred_function_attributes_tail): Likewise.
12754 * sh.md (sp_switch_1): Add operand. Change generator caller.
12755 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12756 (*return_i): Don't use when trap_exit attribute is in effect.
12757 (*return_trapa): New insn pattern.
12758 * sh-c.c: New file.
12759 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12760 setting c_target_objs and cxx_target_objs.
12761 * t-sh: Add rule for sh-c.o.
12763 2006-01-30 Richard Guenther <rguenther@suse.de>
12766 * gimplify.c (gimplify_target_expr): Handle easy cases
12767 without creating a temporary.
12769 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12771 * vec.h (safe_grow): Remove duplicated line.
12773 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12776 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12777 (expand_omp): ... here.
12778 (expand_omp_parallel): Only remove barriers for combined
12779 parallel+workshare constructs.
12781 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12785 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12786 * tree.c (build_qualified_type): Chain the new type to the original
12787 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12788 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12789 (build_pointer_type_for_mode): Only return unqualified types.
12790 (build_reference_type_for_mode): Likewise.
12792 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12794 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12795 * Makefile.in (CXX_COMPAT_WARN): Define.
12796 * configure: Regenerate.
12798 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12801 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12804 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12806 * toplev.c: Fix thinko.
12808 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12809 Marcin Dalecki <martin@dalecki.de>
12811 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12812 (push_srcloc): Use XNEW.
12813 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12815 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12817 * df-core.c (df_set_blocks): Deleted all variable.
12819 2006-01-28 Ian Lance Taylor <ian@airs.com>
12821 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12822 cgraph_output_pending_asms.
12824 2006-01-28 Zack Weinberg <zackw@panix.com>
12826 * c.opt: Add -W(no-)overlength-strings.
12827 * doc/invoke.texi: Document it.
12828 * c-opts.c (c_common_handle_option): -pedantic implies
12829 -Woverlength-strings, if not explicitly disabled already.
12830 (c_common_post_options): -Woverlength-strings defaults to off, and
12831 is always off for C++.
12832 * c-common.c (fix_string_type): Issue warning about strings longer
12833 than is portable only if warn_overlength_strings. Rearrange code
12834 a little for clarity.
12835 * configure.in: Check for -Wno-overlength-strings as well before
12836 enabling -pedantic in stage 1.
12837 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12838 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12840 * genconditions.c (write_header, write_one_condition)
12841 (write_conditions, write_writer): Consolidate very long strings
12842 that were broken up to fit in C89 portable limit. Don't use
12843 printf when fputs will do.
12845 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12847 * combine.c (simplify_comparison <AND>): Check
12848 TRULY_NOOP_TRUNCATION before start using a subreg.
12850 * config/mips/mips.md (*branch_zero<mode>,
12851 *branch_zero<mode>_inverted, *branch_equality<mode>,
12852 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12853 Remove mode check from comparisons.
12855 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12857 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12859 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12861 * expmed.c (const_mult_add_overflow_p): Remove.
12862 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12864 * recog.c (validate_replace_rtx_subexp): Remove.
12865 * recog.h: Remove the prototype for
12866 validate_replace_rtx_subexp.
12868 * integrate.h: Remove the prototype for
12869 copy_decl_for_inlining.
12870 * rtl.h: Remove the prototype for mark_constant_function.
12871 * tree-vectorizer.h: Remove the prototype for
12872 vect_strip_conversion.
12874 * modulo-sched.c (create_partial_schedule,
12875 free_partial_schedule, reset_partial_schedule): Make them
12878 * hooks.c (hook_bool_rtx_int_false): Remove.
12879 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12881 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12883 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12884 and -mlong-double-128 are incompatible.
12885 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12886 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12887 (TARGET_LIBGCC2_CFLAGS): Define.
12888 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12889 (TARGET_LIBGCC2_CFLAGS): Same.
12890 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12892 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12895 * c-typeck.c (build_binary_op): Perform implicit casts of
12896 operands before shortening them.
12898 * cfgloopmanip.c (split_loop_bb): Remove.
12899 * cfgloop.h: Remove the prototype for split_loop_bb.
12901 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12902 * cfgloop.h: Remove the prototype for
12903 flow_loop_outside_edge_p.
12905 * emit-rtl.c (init_virtual_regs): Make it static.
12906 * function.h: Remove the prototype for init_virtual_regs.
12908 * recog.c (peephole2_optimize): Make it static.
12909 * recog.h: Remove the prototype for peephole2_optimize.
12911 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12913 * df-scan.c (df_record_entry_block_defs): Check if
12914 INCOMING_RETURN_ADDR_RTX is defined.
12916 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12917 Kenneth Zadeck <zadeck@naturalbridge.com>
12919 PR rtl-optimization/24762
12920 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12921 * targhooks.c (hook_void_bitmap): New hook prototype.
12922 * targhoohs.h (hook_void_bitmap): Ditto.
12923 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12924 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12925 * target.h (live_on_entry): New function pointer.
12926 * df-scan.c (df_all_hard_regs): Removed.
12927 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12928 (df_scan_free_internal): Added df->entry_block_defs.
12929 (df_scan_alloc): Ditto.
12930 (df_scan_dump): Ditto.
12931 (df_uses_record): Plumbed flag field properly thru calls.
12932 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12933 This part fixes PR24762.
12934 (df_bb_refs_record): Added code to make the frame and arg
12935 pointers live in EH blocks.
12936 (df_refs_record): Added call to df_record_entry_block_defs.
12937 (df_record_entry_block_defs): New function.
12938 * df-core.c: Added comments to describe new artifical defs.
12939 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12940 (entry_block_defs): New field in struct df.
12941 (df_all_hard_regs): Deleted.
12942 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12943 * df-problems.c (df_ru_bb_local_compute_process_def):
12944 Added code to handle artifical defs in the entry to a function.
12945 (df_ru_bb_local_compute): Ditto.
12946 (df_rd_bb_local_compute_process_def): Ditto.
12947 (df_rd_bb_local_compute): Ditto.
12948 (df_lr_bb_local_compute): Ditto.
12949 (df_ur_bb_local_compute): Ditto.
12950 (df_urec_bb_local_compute): Ditto.
12951 (df_chain_create_bb): Ditto.
12952 (df_ur_local_finalize): Removed entry.
12953 (df_urec_init): Ditto.
12954 (df_urec_local_finalize): Ditto.
12955 (df_ri_bb_compute): Added detection of last use of pseudos.
12956 * Makefile.in (df-scan.o): Updated dependencies.
12957 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12958 * config/mips/mips.c (mips_set_live_on_entry): Added.
12959 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12961 * dce.c (marked_insn_p): Added code to handle artifical defs.
12963 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12965 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12967 (_mm_cvtsi128_si64): Likewise.
12968 (_mm_cvtsd_si64): Likewise.
12969 (_mm_cvttsd_si64): Likewise.
12970 (_mm_cvtsi64_sd): Likewise.
12971 (_mm_cvtsi64_si128): Likewise.
12972 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12973 (_mm_cvtsi64_m64): Likewise.
12974 (_m_to_int64): Likewise.
12975 (_mm_cvtm64_si64): Likewise.
12976 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12977 (_mm_cvttss_si64): Likewise.
12978 (_mm_cvtsi64_ss): Likewise.
12979 (_mm_cvtss_f32): Likewise.
12981 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12983 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12984 for pragma redefine_extname.
12986 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12989 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12990 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12991 -mno-minimal-toc to previous content.
12992 (bispecs): Remove goal.
12993 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12994 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12995 compatibility aliases on powerpc-*-*gnu*.
12996 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12997 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12998 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12999 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13000 (ldblspecs): New goal.
13001 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13002 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13004 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13005 L_sf_to_tf or L_df_to_tf is defined.
13007 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13008 Alan Modra <amodra@bigpond.net.au>
13011 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13012 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13013 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13014 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13015 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13016 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13017 (rs6000_override_options): Initialize rs6000_ieeequad.
13018 Initialize TFmode format to ibm_extended_format if not
13020 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13022 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13023 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13024 (function_arg_advance): IBM long double passed in two FPRs, not
13026 (function_arg): IBM long double passed in FPRs.
13027 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13028 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13029 Only multireg GPR aligned.
13030 (rs6000_init_libfuncs): Enable IBM long double functions if not
13032 (rs6000_generate_compare): Use IBM long double compare if not
13034 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13035 (TARGET_IEEEQUAD): Define.
13036 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13037 not TARGET_IEEEQUAD.
13038 * config/rs6000/rs6000.md: Enable TFmode patterns if
13040 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13041 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13042 and -mlong-double-128 are incompatible.
13043 * doc/invoke.texi (-mabi): Collect options together. Add
13044 ibmlongdouble and ieeelongdouble.
13046 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13048 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13050 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13051 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13052 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13053 * rtl.h (rtunion_def): Remove rt_ptr.
13055 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13056 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13057 * config/i386/winnt.c (i386_pe_mark_dllexport)
13058 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13060 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13062 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13064 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13068 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13069 pthread_key_delete. From John David Anglin. gthrw-ify
13070 pthread_getunique_np only if it it's not a macro. Delete
13072 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13073 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13074 __gthread_objc_condition_signal, __gthread_key_delete): Add
13075 "__attribute__ ((__unused__))" to unused arguments.
13076 (__gthread_recursive_mutex_init_function): Add missing return.
13077 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13078 gthr-posix95.h: Use macro-based approach for name redirection
13079 on targets missing weakref.
13081 2006-01-26 Zack Weinberg <zackw@panix.com>
13083 * genconditions.c (write_header): In generated code, #ifdef out
13084 all includes and fake declarations, except includes of bconfig.h
13085 and system.h, unless GCC_VERSION >= 3001. Do not include
13086 gensupport.h in any case.
13087 (write_conditions): Generate a definition of struct c_test. Add
13088 a comment to the generated #endif.
13089 (write_one_condition): Escape backslashes in string too.
13090 (write_writer): Generated code must escape backslashes and quote
13091 marks (but not newlines) in the strings it writes.
13092 * Makefile.in (build/gencondmd.o): Update dependencies.
13094 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13097 * Makefile.in (insn-automata.o): Add header file dependencies.
13098 * genautomata.c: Add includes.
13100 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13103 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13105 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13107 * configure.ac: Expect target tools paths to be passed from the toplevel
13108 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13110 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13112 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13115 * c.opt (Wpointer-sign): Init to -1.
13116 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13117 OPT_pedantic, to 0 otherwise.
13118 * doc/invoke.texi: Update.
13120 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13122 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13123 constants provided by 80387 instructions in the destination mode.
13125 2006-01-26 Richard Guenther <rguenther@suse.de>
13126 Andrew Pinski <pinskia@physics.uc.edu>
13129 partial PR tree-opt/17064
13130 * tree-ssa-structalias.c (intra_create_variable_infos):
13131 Create heap variables for incoming parameters if
13132 flag_argument_noalias > 1.
13133 (find_what_p_points_to): Look through default defs of
13136 2006-01-26 Jeff Law <law@redhat.com>
13139 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13140 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13141 within the VR_RANGE, use the VR_RANGE as the result, not the
13143 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13144 bounds for the type.
13146 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13148 * tree-ssa-alias.c (maybe_create_global_var): Change
13149 subvar walking to an assertion that we don't have subvar'd variables.
13151 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13154 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13155 Use a new variable, inner. PARM_DECLs are always non-weak.
13157 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13159 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13160 --disable-checking.
13162 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13164 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13166 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13168 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13169 (smax_insn, smin_insn, smax_0, smin_0): New.
13171 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13174 * config/cris/cris.c (cris_order_for_addsi3): New function.
13175 * config/cris/cris-protos.h: Prototype it.
13176 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13177 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13178 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13179 (split for "op.S1 [rx=rx+i],ry (swapped)")
13180 (split for "op(s|u).S1 [rx=rx+i],ry")
13181 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13182 Apply cris_order_for_addsi3 when generating addsi3 insns.
13184 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13186 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13187 (TREE_BLOCK): Add call to EXPR_CHECK.
13189 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13192 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13193 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13194 (dump_omp_clauses): ... here.
13195 (dump_generic_node): Handle OMP_CLAUSE.
13196 * tree.c (omp_clause_num_ops): New.
13197 (omp_clause_code_name): New.
13198 (tree_code_size): Handle OMP_CLAUSE.
13199 (tree_size): Likewise.
13200 (make_node): Document handling of OMP_CLAUSE.
13201 (tree_node_structure): Handle OMP_CLAUSE.
13202 (omp_clause_check_failed): New.
13203 (omp_clause_range_check_failed): New.
13204 (omp_clause_operand_check_failed): New.
13205 (build_omp_clause): New.
13206 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13207 * tree.h (enum omp_clause_code): Declare.
13208 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13209 (OMP_CLAUSE_RANGE_CHECK): Define.
13210 (OMP_CLAUSE_ELT_CHECK): Define.
13211 (omp_clause_check_failed): Declare.
13212 (omp_clause_operand_check_failed): Declare.
13213 (omp_clause_range_check_failed): Declare.
13214 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13215 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13216 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13217 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13218 (OMP_CLAUSE_IF_EXPR): Likewise.
13219 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13220 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13221 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13222 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13223 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13224 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13225 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13226 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13227 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13228 (OMP_CLAUSE_CODE): Define.
13229 (OMP_CLAUSE_SET_CODE): Define.
13230 (OMP_CLAUSE_CODE): Define.
13231 (OMP_CLAUSE_OPERAND): Define.
13232 (struct tree_omp_clause): Declare.
13233 (union tree_node): Add field 'omp_clause'.
13234 * treestruct.def (TS_OMP_CLAUSE): Define.
13235 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13236 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13237 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13238 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13239 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13240 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13241 (OMP_CLAUSE): Define.
13242 * print-tree.c (print_node): Handle OMP_CLAUSE.
13243 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13244 * c-typeck.c: Likewise.
13245 * gimplify.c: Likewise.
13246 * c-omp.c: Likewise.
13247 * tree-nested.c: Likewise.
13248 * tree-inline.c: Likewise.
13249 * c-parser.c: Likewise.
13250 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13253 2006-01-25 Roger Sayle <roger@eyesopen.com>
13255 PR rtl-optimization/25703
13256 * combine.c (try_combine): Handle zero_extract and strict_low_part
13257 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13259 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13261 * global.c: Fix comment typos.
13263 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13266 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13267 Use output_addr_const instead of assemble_name.
13269 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13271 * Makefile.in (sched-vis.o): Update dependencies.
13272 * haifa-sched.c (sched_finish): Clear current_sched_info.
13273 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13274 (dump_flow_info): Call it.
13275 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13277 * basic-block.h (dump_bb_info): Declare.
13278 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13279 option, and apply options only for dump files whose TDF_RTL,
13280 TDF_TREE, or TDF_IPA bits match.
13281 * rtl.h: Declare new functions exported from sched-vis.c.
13282 * sched-vis.c: Enable also if scheduling is not used.
13283 (print_value): Print the mode of registers if not inside scheduling.
13284 (print_insn): Make it work outside the scheduler. Beautify the output
13286 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13288 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13290 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13291 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13292 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13293 depending on the value of CONSTANT_POOL_ADDRESS_P.
13294 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13296 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13297 rather than SYMBOL_REF_DECL.
13298 (rtx_constant_pool): Remove const_rtx_sym_htab.
13299 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13300 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13301 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13302 Remove handling of const_rtx_sym_htab.
13303 (find_pool_constant): Delete.
13304 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13305 rather than find_pool_constant.
13306 (get_pool_constant_for_function): Delete.
13307 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13308 find_pool_constant.
13309 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13310 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13311 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13312 (SYMBOL_REF_CONSTANT): New macro.
13313 (get_pool_constant_for_function): Delete.
13314 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13315 rather than SYMBOL_REF_DECL.
13316 (i386_pe_mark_dllimport): Likewise.
13317 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13318 rather than SYMBOL_REF_DECL.
13319 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13320 (machopic_indirect_call_target): Likewise.
13322 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13324 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13326 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13328 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13330 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13332 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13334 2006-01-24 David Daney <ddaney@avtrex.com>
13337 * configure.ac (enable_tls): New enable option.
13338 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13339 * configure: Regenerate.
13340 * doc/install.texi (--enable-tls): Document new option.
13341 (--disable-tls): Ditto.
13343 2006-01-24 Richard Henderson <rth@redehat.com>
13345 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13346 * alias.c (true_dependence): Respect it.
13347 (canon_true_dependence, write_dependence_p): Likewise.
13348 * builtins.c (get_builtin_sync_mem): Set it.
13350 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13352 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13355 2006-01-24 DJ Delorie <dj@redhat.com>
13357 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13358 for storing constants in single-bit bitfields.
13360 2006-01-25 Ben Elliston <bje@au.ibm.com>
13362 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13364 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13367 * tree-ssa-pre.c (phi_translate): Return NULL
13368 for AGGREGATE_TYPE's.
13370 2006-01-24 Zack Weinberg <zackw@panix.com>
13372 * genautomata.c (process_state_for_insn_equiv_partition):
13373 Use xcalloc for insn_arcs_array.
13374 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13375 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13377 2006-01-24 Richard Henderson <rth@redhat.com>
13379 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13380 update all callers.
13382 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13384 PR rtl-optimization/25890
13385 PR rtl-optimization/25905
13386 * combine.c (expand_compound_operation, expand_field_assignment):
13387 Fail if the bitfield's final position is out of bounds.
13389 2006-01-24 Ian Lance Taylor <ian@airs.com>
13391 PR middle-end/25930
13392 * cgraphunit.c (cgraph_output_in_order): Don't clear
13393 cgraph_asm_nodes until after asm strings have been output.
13395 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13397 * fix-header.c (read_scan_file): Add new parameter imultilib when
13398 calling register_include_chains.
13400 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13402 * omp-low.c: Update documentation.
13404 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13405 Daniel Berlin <dberlin@dberlin.org>
13409 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13410 return from the function.
13412 2006-01-22 Zack Weinberg <zackw@panix.com>
13414 * rtl.def (match_code): Add second argument.
13415 * genpreds.c (write_extract_subexp): New function.
13416 (write_match_code): Add path argument. Use write_extract_subexp.
13417 (write_predicate_expr): Pass path to write_match_code.
13418 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13419 not perform a mode test.
13420 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13421 a subexpression does not constrain the top-level code set.
13422 * read-rtl.c (read_rtx_variadic): New function.
13423 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13424 * doc/md.texi: Document new notation.
13425 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13426 (cmpsi_operand): ... here, using new notation.
13428 2006-01-22 Zack Weinberg <zackw@panix.com>
13430 * varray.c: Remove GENERATOR_FILE #ifdefs.
13432 2006-01-22 Zack Weinberg <zackw@panix.com>
13434 * genautomata.c (output_reserved_units_table): Emit nothing if
13435 description->query_units_num is zero. Remove extra blank line.
13436 (output_cpu_unit_reservation_p): Short circuit
13437 if description->query_units_num is zero.
13439 2006-01-22 Zack Weinberg <zackw@panix.com>
13441 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13442 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13443 nor any of the random handful of variables that used to be necessary
13444 when this program was linked with rtlanal.o. Prune set of forward
13445 function declarations.
13446 (struct attr_desc): Remove static_p field.
13447 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13448 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13449 (attr_string): Do not read the character one past the length of
13451 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13452 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13453 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13454 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13455 (make_automaton_attrs): New.
13456 (main): Do not call into genautomata. Call local gen_bypass
13457 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13458 Remove special case for insn_alts.
13459 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13460 varray.h (leftover from previous change). Prune set of forward
13461 function declarations. Remove state_alts fields from all
13462 structures. Remove state_alts_table from struct automaton.
13463 Make everything except main static. Do not maintain num_dfa_decls.
13464 Do not maintain state_alts fields of various structures.
13465 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13466 (add_arc): Remove state_alts argument. All callers updated.
13467 (output_reserved_units_table): Emit #ifdef here...
13468 (output_tables): ...not here. Don't generate state_alts tables.
13469 (expand_automata): Don't generate attributes.
13470 (write_automata): Don't generate state_alts functions.
13471 (main): New function.
13472 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13473 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13474 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13475 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13476 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13477 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13478 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13479 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13481 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13482 * genattrtab.h: Delete file.
13483 * Makefile.in (OBJS-common): Add insn-automata.o.
13484 (insn-automata.o): New rule.
13485 (simple_generated_c): Add insn-automata.c.
13486 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13487 (genprogmd): Add automata.
13488 (build/genattrtab): Needs no extra objects nor libraries.
13489 (build/genautomata): Needs build/vec.o and -lm.
13491 2006-01-22 Zack Weinberg <zackw@panix.com>
13493 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13494 (output_dfa_max_issue_rate, locked_states_num): Delete.
13495 (struct automaton): Add locked_states field.
13496 (output_dead_lock_vect): Save number of locked states in
13497 automaton->locked_states. If it is zero, don't print anything.
13498 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13499 (output_internal_dead_lock_func): Only test the dead_lock_vect
13500 for automata that have locked states.
13501 (output_statistics): Always print the number of locked states for
13502 each automaton. Calculate total number of locked states here.
13503 (write_automata): Don't call output_dfa_max_issue_rate.
13504 * genattrtab.c: Define length_unit_log as a const variable.
13505 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13506 max_insn_queue_index const.
13507 * final.c (length_unit_log): Declare const.
13508 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13510 2006-01-22 Zack Weinberg <zackw@panix.com>
13512 * genautomata.c: Include vec.h, not varray.h.
13513 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13514 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13515 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13516 VEC_* macros operating on appropriately typed vectors, or to
13517 malloced arrays when the size is known in advance. Const-ify
13518 many char* variables and function arguments. No functional changes.
13519 * Makefile.in (build/varray.o): Delete rule.
13520 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13521 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13523 2006-01-22 Zack Weinberg <zackw@panix.com>
13525 * gensupport.c: Define get_insn_name and record_insn_name here.
13526 (read_md_rtx): Call record_insn_name as appropriate.
13527 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13528 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13529 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13531 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13532 (BUILD_VARRAY): Delete.
13533 (genprognormal): Rename genprogmd. Fold in all programs from
13534 genprognoprint; also attrtab.
13535 (build/genattrtab): Just mention genautomata.o and varray.o.
13536 Reorganize a bit, add comments to make the categories clearer.
13538 2006-01-22 Zack Weinberg <zackw@panix.com>
13540 * genconditions.c (condition_table, add_condition): Delete.
13541 (write_conditions): Don't emit n_insn_conditions nor
13542 insn_elision_unavailable. Issue the gcc version #ifdef here,
13543 inside the table, with no #else clause ...
13544 (write_header): ...not here.
13545 (write_writer): New function.
13546 (main): Don't initialize condition_table. Use add_c_test.
13548 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13549 files on the command line.
13550 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13551 Return -1 if there is no entry in the table, don't abort.
13552 (add_c_test, traverse_c_tests): New functions.
13553 * gensupport.h (insn_elision_unavailable, insn_conditions)
13554 (n_insn_conditions): Delete declarations.
13555 (add_c_test, traverse_c_tests): Declare.
13556 * read-rtl.c: Include gensupport.h.
13557 (read_conditions): New function.
13558 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13559 (read_rtx_1): If we get EOF when we were looking for an initial
13560 open paren, return 0. Call read_conditions when appropriate.
13561 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13562 dummy-conditions.o. Eliminate references to insn-conditions.o,
13563 or change them to build/gencondmd.o, as appropriate. Remove
13564 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13565 from $(simple_generated_c). For all files remaining in those
13566 two lists, add insn-conditions.md to the generator command line.
13567 Give insn-constants.h/s-constants their own rules. Add rules
13568 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13569 (build/read-rtl.o): Depend on gensupport.h.
13570 (genprognormal): Include preds.
13571 (genprogearly): Rename genprognoprint; only difference is now that
13572 they don't link with $(BUILD_PRINT).
13573 * dummy-conditions.c: Delete.
13575 2006-01-22 Zack Weinberg <zackw@panix.com>
13577 * genextract.c: Don't include insn-config.h. Do include vec.h.
13578 Declare vectors of int, char, and locstr.
13579 (locstr): New typedef.
13580 (struct extraction): Make all array fields into bare pointers.
13581 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13582 (insn_code_number): Delete.
13583 (accum_extract): New struct.
13584 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13585 (gen_insn): Take insn_code_number as an argument. Use an
13586 accum_extract structure instead of loading data directly into
13587 a struct extraction, and having to know how big it might get.
13588 (walk_rtx): Operate entirely on an accum_extract structure.
13589 (print_path): Avoid unnecessary use of printf.
13590 (print_header): New function, split out of main. Distinguish
13591 more carefully between an unrecognizable insn and an insn that
13592 has the code number of a define_expand.
13593 (main): Pass insn_code_number to gen_insn. Call print_header
13594 only after parsing. Avoid unnecessary use of printf.
13595 * Makefile.in (build/vec.o): New rule.
13596 (build/genextract): Depend on build/vec.o.
13597 (build/genextract.o): Don't depend on insn-config.h.
13599 2006-01-22 Zack Weinberg <zackw@panix.com>
13601 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13602 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13603 practical. Eliminate per-generator-program link rules.
13605 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13607 PR middle-end/24437
13608 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13609 with a call expr to ...
13610 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13612 2006-01-23 Richard Guenther <rguenther@suse.de>
13614 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13615 before make_edge with conditional EDGE_TRUE_VALUE.
13617 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13618 Jan Hubicka <jh@suse.cz>
13619 Richard Guenther <rguenther@suse.de>
13621 PR rtl-optimization/25654
13622 * cfgexpand.c (aggregate_contains_union_type): New function.
13623 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13624 for structure variables that contain a union type.
13626 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13628 * gengtype.c (new_structure): Return the structure.
13629 (create_option): Add an extra "next" argument.
13630 (create_field): New function.
13631 (adjust_field_rtx_def): Use create_option and create_field.
13632 Remove a now-unnecessary call to find_structure.
13633 (adjust_field_tree_def): Likewise.
13634 (note_yacc_type): Remove an unnecessary call to find_structure.
13635 * gengtype.h (new_structure): Return the structure.
13636 (create_option): Add an extra argument.
13637 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13638 (option): Adjust calls to create_option.
13640 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13642 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13644 2006-01-22 Paul Brook <paul@codesourcery.com>
13645 Peter Barada <peter@the-baradas.com>
13647 * config/m68k/m68k.md: Add Coldfire FPU support.
13648 Define FP mode macro and associated attributes.
13649 Use it for float mode patterns.
13650 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13651 (LIBCALL_VALUE): Use m68k_libcall_value.
13652 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13653 (m68k_function_value): Ditto.
13654 (emit_move_sequence): Ditto.
13655 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13656 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13657 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13658 (MULTILIB_EXCEPTIONS): Ditto.
13659 * config/m68k/m68k.opt: Add mcfv4e.
13660 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13661 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13662 (m68k_output_function_prologue): Save ColdFire FPU registers.
13663 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13664 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13665 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13666 ColdFire FPU registers.
13667 (m68k_libcall_value, m68k_function_value): New functions.
13668 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13669 (LIBCALL_VALUE): Use m68k_libcall_value.
13670 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13671 (MASK_COLDFIRE): Add MASK_CFV4E.
13672 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13673 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13674 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13675 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13676 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13677 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13678 * doc/invoke.tex: Document -mcfv4e on m68k.
13680 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13682 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13685 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13688 * c-opts.c (c_common_handle_option): Don't include
13689 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13690 * doc/invoke.texi (C++ Dialect Options): Document that
13691 -Wnon-virtual-dtor is no longer included in -Wall.
13693 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13695 * gcov.c (print_version), gcov-dump.c (print_version),
13696 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13699 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13701 * df-scan.c (problem_SCAN): Added NULL reset function.
13702 (df_scan_reset_blocks): Added code to call reset block function
13703 (df_bb_refs_delete) Fixed comment.
13704 (df_insn_refs_delete): Made tolerant of deleting non existent info
13705 for dataflow problems that need to be reset.
13706 * df-core.c (df_set_blocks): Ditto.
13707 * df.h (struct df_problem): Added reset_fun.
13708 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13709 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13710 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13711 functions to clear out all references to def-use or use-def chains.
13713 2006-01-21 Ben Elliston <bje@au.ibm.com>
13715 * varasm.c (assemble_real): Initialise data array.
13717 2006-01-20 Paul Brook <paul@codesourcery.com>
13719 Merge from csl-arm-branch.
13720 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13721 * config/arm/arm.md (movdi): Force operands[1] to a register
13722 if we have a non-register source.
13723 (*arm_movdi, *movdf_soft_insn): Require that one of the
13724 operands be a register.
13725 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13726 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13728 2006-01-20 DJ Delorie <dj@redhat.com>
13730 * varasm.c (initializer_constant_valid_p): Allow pointers
13731 initialized from integer constants of lesser precision.
13732 (output_constant): Allow non-int-sized pointer modes to be
13733 initialized from integer constants.
13735 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13738 * cppdefault.h (struct default_include): Add multilib flag.
13739 * cppdefault.c (cpp_include_defaults): Set it.
13740 * c.opt (-imultilib): New option.
13741 * c-opts.c (imultilib): New.
13742 (c_common_handle_option): Handle -imultilib.
13743 (c_common_post_options): Likewise.
13744 * c-incpath.c (add_standard_paths, register_include_chains):
13746 * c-incpath.h (register_include_chains): Add extra parameter.
13747 * gcc.c (do_spec_1): Generate -imultilib option.
13748 (The Specs Language): Update %I description.
13749 (process_command): Update copyright notice.
13750 * doc/cppopts.texi (-imultilib): Document.
13751 * doc/invoke.texi (-imultilib): Include in option summary.
13752 (%I): Update specs documentation.
13754 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13756 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13758 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13760 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13763 2006-01-20 Richard Guenther <rguenther@suse.de>
13764 Steven Bosscher <stevenb.gcc@gmail.com>
13766 PR rtl-optimization/24626
13767 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13768 EDGE_TRUE_VALUE if in RTL mode.
13771 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13772 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13774 2006-01-20 Dirk Mueller <dmueller@suse.com>
13777 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13778 instead of a special NOP marker.
13779 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13780 NOP marker handling.
13781 * c-common.h (empty_body_warning): Add forward declaration.
13782 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13783 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13785 2006-01-20 Paul Brook <paul@codesourcery.com>
13787 * Makefile.in (lang_checks): Keep going if mkdir fails.
13789 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13791 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13792 be able to clean out basic block when not necessary.
13793 (df_scan_free): Fixed to properly delete information if df is
13794 unused before calling df_finish.
13795 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13796 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13798 (df_bb_refs_delete): New function.
13799 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13800 * df-core.c (df_set_blocks): Added code to properly clean out
13801 unused blocks if they are not part of the blocks to consider.
13802 Added additional null check.
13803 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13804 be able to clean out basic block when not necessary
13805 * df.h (df_free_bb_function): Ditto.
13806 (df_bb_refs_delete): New function.
13807 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13808 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13809 basic block parameter to be able to clean out basic block when not
13811 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13812 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13813 Fixed to properly delete information if df is unused before
13816 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13818 PR rtl-optimization/25799
13819 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13820 Corrected confluence operator to remove bits from op2 before oring
13821 with op1 rather than removing bits from op1.
13822 (df_ru_transfer_function): Corrected test on wrong bitmap which
13823 caused infinite loop. Both of these problems were introduced in
13824 the dataflow rewrite.
13826 2006-01-19 DJ Delorie <dj@redhat.com>
13828 * reload1.c (find_reload_regs): Note the details of reload
13829 failures in the dump file.
13830 (spill_failure): Likewise.
13832 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13834 * loop-iv.c: Include df.h and hashtab.h.
13835 (enum iv_grd_result): New enum.
13836 (DF_REF_IV, DF_REF_IV_SET): New macros.
13837 (struct biv_entry): New.
13838 (df, bivs): New global variables.
13839 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13840 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13842 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13843 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13844 analyzed_for_bivness_p, record_biv): New functions.
13845 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13846 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13847 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13849 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13851 (iv_number_of_iterations): Use new interface to iv analysis.
13852 * loop-unroll.c: Do not include varray.h.
13853 (analyze_iv_to_split_insn): Use new interface to iv
13855 * loop-unswitch.c (may_unswitch_on): Ditto.
13856 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13858 (df_bb_modify): Realloc tables to the new index.
13859 (df_find_use): New function.
13860 * df.h (df_find_use): Declare.
13861 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13863 * cfgloop.h (struct rtx_iv): Remove analysed field.
13864 (iv_get_reaching_def): Removed.
13865 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13866 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13867 (loop-iv.o): Add df.h and hashtab.h dependency.
13868 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13870 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13873 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13875 (__floatundisf, __floatundidf): Likewise.
13876 * libgcc2.h (IS_IBM_EXTENDED): Define.
13878 2006-01-19 DJ Delorie <dj@redhat.com>
13880 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13882 2006-01-19 Paul Brook <paul@codesourcery.com>
13884 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13885 as nothrow when unwinding tables are disabled.
13887 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13890 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13891 of bit-field" when in system header.
13893 2006-01-19 DJ Delorie <dj@redhat.com>
13895 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13896 the 16 bit shift limit of the m16c.
13898 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13901 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13902 * config/i386/i386.c (output_set_got): Output the label if we have one
13903 for the TARGET_DEEP_BRANCH_PREDICTION case.
13905 2006-01-19 Jan Hubicka <jh@suse.cz>
13906 H.J. Lu <hongjiu.lu@intel.com>
13907 Evandro Menezes <evandro.menezes@amd.com>
13909 * invoke.texi (generic): Document
13911 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13912 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13913 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13914 (x86_use_incdec, x86_pad_returns): New variables
13915 (TARGET_CPU_DEFAULT_generic): New constant
13916 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13917 (enum processor_type): Add generic32 and generic64.
13918 * i386.md (cpu attribute): Add generic32/generic64
13919 (movhi splitter): Behave sanely when both partial_reg_dependency and
13920 partial_reg_stall are set.
13921 (K8 splitters): Enable for generic as well.
13922 * predicates.md (incdec_operand): Use TARGET_INCDEC
13923 (aligned_operand): Avoid memory mismatch stalls.
13924 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13925 * ppro.md: Enable for generic32
13926 * i386.c (generic64_cost, generic32_cost): New.
13927 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13928 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13929 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13930 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13931 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13932 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13933 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13934 x86_accumulate_outgoing_args, x86_prologue_using_move,
13935 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13936 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13937 Enable for generic.
13938 (x86_use_incdec, x86_pad_returns): New.
13939 (override_options): Add generic32 and generic64, translate "generic"
13940 to generic32/generic64 and "i686" to "generic32", refuse
13941 "generic32"/"generic64" as arch target.
13942 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13943 (ix86_reorg): Honor PAD_RETURNS.
13945 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13947 * tree-pretty-print.c (dump_generic_node): Handle
13948 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13949 * cgraph.c (cgraph_expand_queue): Rename from
13950 cgraph_analyze_queue. Update all users.
13951 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13952 cgraph_expand_queue.
13953 (cgraph_expand_all_functions): Likewise.
13954 (cgraph_finalize_pending_functions): Remove. Update callers.
13956 * tree.h (OMP_DIRECTIVE_P): Define.
13957 (OMP_PARALLEL_FN): Define.
13958 (OMP_PARALLEL_DATA_ARG): Define.
13959 (OMP_SECTIONS_SECTIONS): Define.
13960 * tree-pass.h (pass_expand_omp): Declare.
13961 * omp-low.c (struct omp_region): Declare.
13962 (struct omp_context): Remove fields 'parallel_type',
13963 'parallel_start_ix' and 'parallel_start_additional_args'.
13965 (struct omp_for_data): Rename from struct expand_omp_for_data.
13966 (omp_regions): New static variable.
13967 (root_omp_region): New static variable.
13968 (find_omp_clause): Make static.
13969 (is_in_combined_parallel_ctx): Remove.
13970 (is_combined_parallel): New.
13971 (extract_omp_for_data): Move earlier in the file.
13972 (workshare_safe_to_combine_p): New.
13973 (get_ws_args_for): New.
13974 (determine_parallel_type): Move earlier in the file.
13975 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13977 (omp_copy_decl): Likewise.
13978 (create_omp_child_function): Likewise.
13979 (lookup_omp_region): New.
13980 (dump_omp_region): New.
13981 (debug_omp_region): New.
13982 (debug_all_omp_regions): New.
13983 (new_omp_region): New.
13984 (scan_omp_parallel): If parallel_nesting_level > 1, the
13985 directive is nested within another parallel directive.
13986 Set OMP_PARALLEL_FN.
13987 (scan_omp_for): Do not try to handle combined parallel+for
13989 Remove FIXME comment.
13990 (scan_omp_nested): Remove.
13991 (scan_omp_1): Do not call scan_omp_nested when
13992 parallel_nesting_level is > 1.
13993 Do not change the DECL_CONTEXT of local variables found.
13994 (lookup_decl_in_outer_ctx): New.
13995 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13996 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13997 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13998 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13999 If CTX is nested, lookup VAR in the outer context when
14000 building copy assignment.
14001 (lower_send_clauses): Rename from expand_send_clauses.
14002 If CTX is nested, lookup VAR in the outer context when
14003 building copy assignments.
14004 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14005 If CTX is nested, lookup VAR in the outer context when
14006 building copy assignments.
14007 (expand_parallel_call): Rename from build_parallel_call.
14008 Handle combined parallel+workshare cases.
14009 Re-implement to emit code into the CFG.
14011 (expand_omp_parallel): Re-implement to emit code into the CFG.
14012 Call move_sese_region_to_fn to outline the sub-graph
14013 containing the parallel region.
14014 (expand_omp_for_1): Remove.
14015 (expand_omp_for_generic): Re-implement to emit code into the
14017 (expand_omp_for_static_nochunk): Likewise.
14018 (expand_omp_for_static_chunk): Likewise.
14019 (expand_omp_for): Likewise.
14020 (expand_omp_sections): Likewise.
14021 (remove_exit_barriers): New.
14022 (expand_omp_synch): New.
14024 (build_omp_regions_1): New.
14025 (build_omp_regions): New.
14026 (execute_expand_omp): New.
14027 (gate_expand_omp): New.
14028 (pass_expand_omp): Define.
14029 (lower_omp_sections): Rename from expand_omp_sections.
14030 Set OMP_SECTIONS_SECTIONS.
14031 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14032 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14033 (lower_omp_single): Rename from expand_omp_simple.
14034 (lower_omp_master): Rename from expand_omp_master.
14035 (lower_omp_ordered): Rename from expand_omp_ordered.
14036 (lower_omp_critical): Rename from expand_omp_critical.
14037 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14038 (lower_omp_for): Re-implement.
14039 (lower_omp_parallel): Re-implement.
14040 (lower_regimplify): Rename from expand_regimplify.
14041 (lower_omp_1): Rename from expand_omp_1.
14042 If there are syntax errors in the program, replace every
14043 OpenMP directive with NOP.
14044 Call lower_omp_* instead of expand_omp_*.
14045 (lower_omp): Rename from expand_omp.
14047 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14048 * tree-gimple.h (enum omp_parallel_type): Remove.
14049 (gimple_boolify): Declare extern.
14050 (find_omp_clause, determine_parallel_type): Remove.
14052 * gimple-low.c (lower_omp_directive): New.
14053 (lower_stmt): Call it.
14054 (record_vars_into): Move from ...
14055 (record_vars): ... here.
14056 Call record_vars_into with current_function_decl.
14058 * gimplify.c (struct gimplify_ctx): Remove fields
14059 combined_pre_p and combined_ctxp. Update users.
14060 (get_formal_tmp_var): Add documentation.
14061 (gimple_boolify): Make extern.
14062 (gimplify_expr_in_ctx): Remove. Update callers.
14063 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14064 will always be a BIND_EXPR.
14065 (gimplify_expr): Handle OMP_RETURN_EXPR.
14066 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14067 (OMP_PARALLEL): Add 3 operands.
14068 (OMP_SECTIONS): Add 1 operand.
14069 (OMP_RETURN_EXPR): Define.
14071 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14072 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14073 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14074 creating a circular free list.
14075 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14077 * tree-flow.h (move_sese_region_to_fn): Declare.
14078 (record_vars_into): Declare.
14079 * tree-cfg.c (make_omp_sections_edges): New.
14080 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14081 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14082 OMP_SECTIONS and OMP_SECTION.
14083 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14084 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14085 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14086 (gather_blocks_in_sese_region): New.
14087 (struct move_stmt_d): Declare.
14088 (move_stmt_r): New.
14089 (move_block_to_fn): New.
14090 (move_sese_region_to_fn): New.
14092 * passes.c (init_optimization_passes): Schedule
14093 pass_expand_omp after pass_init_datastructures.
14095 * tree-ssa-operands.c (get_expr_operands): Handle
14096 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14097 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14099 2006-01-19 Jeff Law <law@redhat.com>
14101 * tree-vrp.c (extract_range_from_assert): Refine the result range
14102 if the variable referenced by the ASSERT_EXPR has a range and
14103 either the tentative result range or the previous range is a
14106 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14108 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14110 2006-01-19 Jan Hubicka <jh@suse.cz>
14112 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14114 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14116 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14117 (expand_compound_operation, expand_field_assignment): Fail if the
14118 bit lengths of an extract operation are out of range.
14119 (make_extraction): Compute wanted_inner_mode based on the position
14120 and length of the extraction. Make it extraction_mode for non-constant
14121 positions, and do not modify offset in that case. When generating a
14122 new MEM, use a mode that can hold the extraction while keeping correct
14123 alignment. Remove code that supported MEMs wrapped by USEs.
14124 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14126 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14128 * config/s390/s390.md ("Y", "y"): New mode attribute.
14129 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14130 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14131 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14132 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14133 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14134 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14135 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14136 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14137 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14138 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14139 "addsi3", "subsi3"): Insn patterns removed.
14140 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14141 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14142 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14143 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14144 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14145 "*sub<mode>3_cconly2"): New insn patterns.
14146 ("addsi3", "subsi3"): New expanders.
14148 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14150 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14151 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14152 existing STMT_VINFO_VECTYPE if available.
14153 (vect_mark_relevant): Add special handling for stmts that are
14154 marked as STMT_VINFO_IN_PATTERN_P.
14155 (vect_analyze_loop): Call vect_pattern_recog.
14156 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14157 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14159 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14160 (vect_recog_func_ptr): New function-pointer type.
14161 * tree-vect-patterns.c: New file.
14162 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14163 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14164 (vect_pattern_recog_1): New functions.
14165 (vect_pattern_recog_funcs): New array of function pointers.
14167 * tree-vectorizer.h (ternary_op): New enum value.
14168 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14169 declaration. Revised documentation. Removed redundant dump prints.
14170 Removed redundant argument. Added support for reduction patterns.
14171 (vectorizable_reduction): Added support for reduction patterns.
14172 (vect_transform_stmt): Added support for patterns.
14174 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14175 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14176 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14177 (expand_widen_pattern_expr): New function.
14178 (init_optabs): Initialize new optabs udot_prod_optab,
14180 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14181 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14182 (expand_widen_pattern_expr): New function declaration.
14183 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14185 * tree-inline.c (estimate_num_insns_1): Added cases for new
14186 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14187 * tree-pretty-print.c (dump_generic_node): Likewise.
14188 (op_prio): Likewise.
14189 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14190 * tree-ssa-operands.c (get_expr_operands): Added case for
14192 * tree-vect-patterns.c (widened_name_p): New function.
14193 (vect_recog_dot_prod_pattern): Added function implementation.
14194 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14195 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14196 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14197 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14199 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14200 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14201 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14202 (init_optabs): Initialize new optabs widen_ssum_optab,
14204 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14205 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14206 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14207 use instead of type of def.
14208 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14209 function implementation.
14210 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14211 widen_ssumv8hi): New.
14213 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14216 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14219 * c-decl.c (add_flexible_array_elts_to_size): New function.
14220 (finish_decl): Use it.
14222 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14224 * diagnostic.h: Include options.h.
14225 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14226 dependancies for diagnostic.h.
14227 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14229 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14231 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14232 (ssa_ro_call_cache_valid): Ditto.
14233 * tree-ssa-alias.c (sort_tags_by_id): New function.
14234 (init_transitive_clobber_worklist): Ditto.
14235 (add_to_worklist): Ditto.
14236 (mark_aliases_call_clobbered): Ditto.
14237 (compute_tag_properties): Ditto.
14238 (set_initial_properties): Ditto.
14239 (compute_call_clobbered): Ditto.
14240 (compute_may_aliases): Call compute_call_clobbered and grouping.
14241 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14242 (compute_flow_insensitive_aliasing): Grouping now happens in our
14244 (setup_pointers_and_addressables): Remove clobbering related code.
14245 (add_may_alias): Ditto.
14246 (replace_may_alias): Ditto.
14247 (get_nmt_for): Ditto.
14248 (create_global_var):
14249 (is_escape_site): Return an escape_type enumeration.
14250 * tree-flow-inline.h (is_call_clobbered): Global var does not
14251 imply call clobbered.
14252 (mark_call_clobbered): Take a reason for marking this. Remove
14253 marking of globalness, and cache invalidation.
14254 (clear_call_clobbered): Remove cache invalidation code.
14255 * tree-dfa.c (dump_variable): If details is on, dump the reason
14257 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14259 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14260 (struct var_ann_d): Ditto.
14261 (enum escape_type): New.
14262 (mark_call_clobbered): Adjust prototype.
14263 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14264 are never call clobbered.
14265 Record reasons for escaping.
14266 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14267 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14268 (ssa_ro_call_cache_valid): Ditto.
14269 (clobbered_v_may_defs): Ditto.
14270 (clobbered_vuses): Ditto.
14271 (ro_call_vuses): Ditto.
14272 (clobber_stats): New.
14273 (init_ssa_operands): Zero out clobber stats.
14274 (fini_ssa_operands): Print out clobber stats.
14275 (get_call_expr_operands): Pass callee fndecl to
14276 add_call_read_ops).
14277 (add_call_clobber_ops): Remove use of cache.
14278 Add use of PURE_CONST information.
14279 (add_call_read_ops): Remove use of cache.
14280 Add use of static not_read information.
14282 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14284 Introduce TLS descriptors for i386 and x86_64.
14285 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14286 (TARGET_ANY_GNU_TLS): New macro.
14287 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14288 (struct machine_function): Add tls_descriptor_call_expanded_p.
14289 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14290 (ix86_current_function_calls_tls_descriptor): Likewise.
14291 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14292 (override_options): Introduce gnu2 tls dialect.
14293 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14295 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14297 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14298 (ix86_init_machine_status): Initialize new field.
14299 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14300 (ix86_tls_module_base): New.
14301 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14302 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14303 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14304 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14305 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14306 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14307 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14308 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14309 * config/i386/predicates.md (tls_modbase_operand): New.
14310 (tp_or_register_operand): New.
14312 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14314 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14315 (look_for_address_of): Ditto.
14316 (ipa_init): Walk the function decls.
14317 (static_execute): Don't set readonly on FUNCTION_DECL's.
14319 2006-01-18 Roger Sayle <roger@eyesopen.com>
14321 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14322 for shifts where the source and destination registers are different.
14324 2006-01-18 Paul Brook <paul@codesourcery.com>
14326 Merge from csl-arm-branch.
14327 2005-03-14 Julian Brown <julian@codesourcery.com>
14328 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14329 (aeabi_llsl): Likewise.
14330 (ashrdi3): Likewise.
14331 (aeabi_lasr): Likewise.
14332 (lshrdi3): Likewise.
14333 (aeabi_llsr): Likewise.
14334 2005-03-10 Julian Brown <julian@codesourcery.com>
14335 * config.gcc: Disable shared libgcc for SymbianOS.
14336 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14338 2006-01-18 DJ Delorie <dj@redhat.com>
14340 * c-pragma.c (handle_pragma_diagnostic): New.
14341 (init_pragma): Register it.
14342 * doc/extend.texi: Document it.
14344 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14345 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14346 (diagnostic_context): Add classify_diagnostic[].
14347 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14348 as errors if they're overridden to DK_WARNING.
14349 (diagnostic_initialize): Initialize classify_diagnostic[].
14350 (diagnostic_set_kind_override): New.
14351 (diagnostic_report_diagnostic): Check for kind changes.
14352 * opts.c (common_handle_option): Take lang_mask. Update callers.
14353 Handle OPT_Werror_.
14354 * common.opt (Werror=): New.
14355 * doc/invoke.texi: Document -Werror=*
14357 2006-01-18 Jeff Law <law@redhat.com>
14359 * tree-vrp.c (test_for_singularity): Correct test for new
14360 min limit. Use operand_equal_p rather than pointer equality
14361 for testing if new min/max values are equal.
14363 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14364 using range information until after propagation and folding.
14366 2006-01-18 Richard Henderson <rth@redhat.com>
14367 Aldy Hernandez <aldyh@redhat.com>
14368 Jakub Jelinek <jakub@redhat.com>
14369 Diego Novillo <dnovillo@redhat.com>
14371 * omp-low.c: New file.
14372 * c-omp.c: New file.
14374 2006-01-18 Richard Henderson <rth@redhat.com>
14375 Jakub Jelinek <jakub@redhat.com>
14376 Diego Novillo <dnovillo@redhat.com>
14378 * doc/invoke.texi: Document -fopenmp.
14379 * tree-dump.h (debug_function): Declare.
14380 * hooks.c (hook_bool_tree_bool_false): New function.
14381 (hook_tree_tree_null): Remove.
14382 (hook_tree_tree_tree_null): New.
14383 * hooks.h: Update to match.
14384 * tree-pretty-print.c (debug_tree_chain): New.
14385 (print_generic_expr): Handle TDF_CHAIN.
14386 (dump_generic_node): Handle BLOCK.
14387 Do not abort with incomplete SWITCH_EXPRs.
14388 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14389 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14390 print space after directive name.
14391 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14392 Handle OMP_MASTER and OMP_ORDERED.
14393 Handle printing of OMP_BODY just in one place, goto
14394 dump_omp_body in the rest of OMP_* nodes that have
14396 Don't handle clause nodes here. Update omp statements to
14397 use dump_omp_clauses.
14398 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14399 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14400 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14401 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14402 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14403 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14404 Adjust output for GOMP_PARALLEL.
14405 (dump_omp_clauses): New.
14406 (print_declaration): Dump DECL_VALUE_EXPR.
14407 (op_symbol_1): Split out of op_symbol.
14408 (dumping_stmts): Remove. Update all users.
14409 * cgraph.c (cgraph_analyze_queue): New.
14410 (cgraph_add_new_function): New.
14411 * cgraph.h (cgraph_analyze_queue): Declare.
14412 (cgraph_add_new_function): Declare.
14413 (cgraph_lower_function): Remove.
14414 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14415 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14416 and TYPE_P nodes in its default clause.
14417 (empty_body_p): New.
14418 (tree_range_check_failed): New.
14419 (build5_stat): New.
14420 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14421 OMP_CLAUSE_REDUCTION_MERGE,
14422 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14423 OMP_CLAUSE_PRIVATE_DEBUG,
14424 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14425 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14426 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14427 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14428 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14429 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14430 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14431 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14432 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14433 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14434 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14435 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14436 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14437 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14438 (TREE_RANGE_CHECK): New.
14439 (empty_body_p): Declare.
14440 (enum omp_clause_default_kind): New.
14441 (build_string_literal): Declare.
14442 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14443 (build5_stat, build5): Declare.
14444 * tree-pass.h (TDF_CHAIN): Define.
14445 * tree-pass.h (PROP_gimple_lomp): Define.
14446 (pass_lower_omp): Declare.
14447 * diagnostic.h (debug_tree_chain): Declare.
14448 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14450 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14451 * builtins.c (build_string_literal): Make extern.
14452 * gcc.c (include_spec_function): New.
14453 (static_spec_functions): Add it.
14454 (main): Move load of libgomp.spec ...
14455 (LINK_COMMAND_SPEC): ... here.
14456 (link_gomp_spec): New.
14457 (static_specs): Include it.
14458 (LINK_COMMAND_SPEC): Add link_gomp.
14459 (GOMP_SELF_SPECS): New.
14460 (driver_self_specs): Include it.
14461 (switch_matches): Don't mark inline.
14462 (main): Load libgomp.spec.
14463 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14464 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14465 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14466 * tree-gimple.h (enum omp_parallel): Declare.
14467 (determine_parallel_type): Declare.
14468 (omp_firstprivatize_variable): Declare.
14469 (omp_reduction_init): Declare.
14470 (diagnose_omp_structured_block_errors): Declare.
14471 (struct walk_stmt_info): Add want_return_expr.
14472 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14473 (find_omp_clause): Declare.
14474 (insert_field_into_struct): Declare.
14475 (struct walk_stmt_info): Move from tree-nested.c
14476 (walk_stmts): Declare.
14477 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14479 * cgraphunit.c (cgraph_lower_function): Make static.
14480 (cgraph_finalize_pending_functions): New.
14481 (cgraph_finalize_function): Call it.
14482 (cgraph_finalize_compilation_unit): Likewise.
14483 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14484 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14485 (BT_FN_UINT_UINT): New.
14486 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14487 DEF_FUNCTION_TYPE_VAR_4): Document.
14488 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14489 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14490 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14491 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14492 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14493 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14494 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14495 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14496 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14497 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14498 into separate files.
14499 (DEF_GOMP_BUILTIN): New.
14500 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14501 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14502 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14503 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14504 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14505 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14506 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14507 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14508 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14509 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14510 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14511 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14512 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14513 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14514 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14515 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14516 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14517 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14518 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14519 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14520 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14521 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14522 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14523 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14524 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14525 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14526 * sync-builtins.def: New file, moved from builtins.def.
14527 * omp-builtins.def: New file, moved from builtins.def.
14528 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14529 * gimple-low.c (lower_function_body): Clear data.
14530 (lower_stmt): Do not handle COMPOUND_EXPR.
14531 Remove call to print_node_brief.
14532 * c-tree.h (c_finish_omp_clauses): New prototype.
14533 (C_DECL_THREADPRIVATE_P): Define.
14534 (lookup_name_no_remap, c_omp_remap_private): Remove
14535 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14536 (check_for_loop_decls): Update decl.
14537 (lookup_name_no_remap, c_omp_remap_private): Declare.
14538 (build_indirect_ref, build_modify_expr, pushdecl,
14539 pushdecl_top_level): Move to c-common.h.
14540 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14541 before the switch, but just in the 2 places that need it.
14542 * c-decl.c (diagnose_mismatched_decls): Do not check for
14543 mismatched thread-local attributes when OLDDECL is marked
14544 threadprivate and NEWDECL has no thread-local attributes.
14545 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14546 (c_gimple_diagnostics_recursively): Rename from
14547 c_warn_unused_result_recursively. Invoke
14548 diagnose_omp_structured_block_errors.
14549 (check_for_loop_decls): Return a singular decl found.
14550 * langhooks.c (lhd_omp_predetermined_sharing): Return
14551 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14552 (lhd_omp_firstprivatize_type_sizes): New.
14553 (lhd_omp_assignment): New.
14554 (lhd_omp_predetermined_sharing): New.
14555 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14556 (struct lang_hooks_for_types): Add
14557 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14558 omp_predetermined_sharing, omp_disregard_value_expr,
14559 omp_private_debug_clause, omp_clause_default_ctor,
14560 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14561 (c_finish_omp_clauses): New.
14562 (c_finish_bc_stmt): Diagnose break within omp for.
14563 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14564 (build_unary_op): Return error_mark after reporting
14566 (build_modify_expr): Likewise.
14567 * gimplify.c: Include optabs.h and pointer-set.h.
14568 (enum gimplify_omp_var_data): Declare.
14569 (struct gimplify_omp_ctx): Declare.
14570 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14572 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14573 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14574 (splay_tree_compare_decl_uid): New.
14575 (new_omp_context): New.
14576 (delete_omp_context): New.
14577 (gimple_add_tmp_var): Call omp_add_variable.
14578 (gimplify_bind_expr): Likewise.
14579 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14580 true, disregard DECL_VALUE_EXPR on the decl if any.
14581 (gimplify_expr_in_ctx): New.
14582 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14583 omp_add_variable, omp_notice_variable, omp_is_private
14584 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14585 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14586 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14587 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14588 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14589 gimplify_omp_atomic): New.
14590 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14591 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14592 OMP_CRITICAL and OMP_ATOMIC.
14593 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14594 * c-pragma.h (enum pragma_kind): Add
14595 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14596 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14597 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14598 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14599 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14600 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14601 PRAGMA_OMP_THREADPRIVATE.
14602 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14603 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14604 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14605 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14606 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14607 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14608 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14609 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14610 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14611 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14612 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14613 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14614 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14616 (struct nesting_info): Add field_map,
14617 suppress_expansion, debug_var_chain.
14618 (create_nesting_tree): Initialize them.
14619 (lookup_field_for_decl): Use field_map.
14620 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14621 (convert_local_omp_clauses): New.
14622 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14623 (walk_body): Split out of walk_function.
14624 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14625 (convert_nonlocal_reference): Handle omp statements.
14626 (convert_local_reference): Likewise.
14627 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14628 (unnest_nesting_tree): New.
14629 (lower_nested_functions): Call it.
14630 (insert_field_into_struct): Make extern.
14631 (struct walk_stmt_info): Move to tree-gimple.h.
14632 (walk_stmts): Make extern.
14633 * omp-builtins.def: New file.
14634 * tree-iterator.c (expr_only): Clarify comment.
14635 * c-common.h (pushdecl_top_level, pushdecl,
14636 build_modify_expr, build_indirect_ref,
14637 c_finish_omp_master, c_finish_omp_critical,
14638 c_finish_omp_ordered, c_finish_omp_barrier,
14639 c_finish_omp_atomic, c_finish_omp_flush,
14640 c_finish_omp_for, c_split_parallel_clauses,
14641 omp_clause_default_kind, c_omp_sharing_predetermined,
14642 c_omp_remap_decl): Declare.
14643 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14644 (OBJS-common): Add omp-low.o.
14645 (c-omp.o, omp-low.o): Add.
14646 (gimplify.o): Add dependency on $(OPTABS_H).
14647 (GTFILES): Add omp-low.c.
14648 (gt-stringpool.h): Add.
14649 * tree-cfg.c (set_bb_for_stmt): Do not update the
14650 block-to-labels map if we are currently expanding to RTL.
14651 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14653 Handle IDENTIFIER_NODE.
14654 (tree_verify_flow_info): Do not ICE when emitting error
14655 messages about invalid labels.
14656 (dump_function_to_file): Reset CFUN before emitting the body
14658 (debug_function): New.
14659 * passes.c (init_optimization_passes): Schedule
14661 * langhooks-def.h (lhd_omp_predetermined_sharing,
14662 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14664 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14665 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14666 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14667 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14668 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14669 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14670 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14671 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14672 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14673 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14674 (LANG_HOOK_DECLS): Use them.
14676 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14677 Richard Henderson <rth@redhat.com>
14678 Jakub Jelinek <jakub@redhat.com>
14679 Diego Novillo <dnovillo@redhat.com>
14681 * c-parser.c (pragma_omp_clause): Define.
14682 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14683 (c_parser_compound_statement): Likewise.
14684 (c_parser_statement): Likewise.
14685 (c_parser_pragma): Handle omp pragmas.
14686 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14687 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14688 (c_parser_omp_clause_name, check_no_duplicate_clause,
14689 c_parser_omp_variable_list,
14690 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14691 c_parser_omp_clause_copyprivate,
14692 c_parser_omp_clause_default,
14693 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14694 c_parser_omp_clause_lastprivate,
14695 c_parser_omp_clause_nowait,
14696 c_parser_omp_clause_num_threads,
14697 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14698 c_parser_omp_clause_reduction,
14699 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14700 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14701 c_parser_omp_atomic, c_parser_omp_barrier,
14702 c_parser_omp_critical, c_parser_omp_flush,
14703 c_parser_omp_for_loop, c_parser_omp_for,
14704 c_parser_omp_master, c_parser_omp_ordered,
14705 c_parser_omp_sections_scope, c_parser_omp_sections,
14706 c_parser_omp_parallel, c_parser_omp_single,
14707 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14708 * c-pragma.c (init_pragma): Do omp pragma registration here.
14709 * c.opt (fopenmp): New flag.
14711 2006-01-18 Eric Christopher <echristo@apple.com>
14713 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14714 * config/darwin.h (GOMP_SELF_SPECS): Define.
14716 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14718 * rtl.h: Remove the prototype for reg_alloc.
14720 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14723 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14724 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14725 sjlj and dwarf2 exception handling.
14726 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14727 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14728 * pa/pa.c (function_value): Treat complex and vector types as
14730 (function_arg): Likewise. Only pass scalar floats in the floating
14731 point argument registers.
14732 * pa/t-slibgcc-dwarf-ver: New file.
14733 * pa/t-slibgcc-sjlj-ver: New file.
14734 * pa/t-slibgcc-elf-ver: Delete file.
14736 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14738 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14739 unlikely_test_section_p test.
14741 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14743 * mode-switching.c (optimize_mode_switching): Make it static.
14744 * basic-block.h: Remove the prototype for
14745 optimize_mode_switching.
14747 * modulo-sched.c (sms_schedule): Make it static.
14748 * rtl.h: Remove the prototype for sms_schedule.
14750 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14751 * rtl.h: Remove the prototype for gcse_after_reload_main.
14753 * reg-stack.c (reg_to_stack): Make it static.
14754 * rtl.h: Remove the prototype for reg_to_stack.
14756 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14758 * rtl.h: Remove the prototypes for regrename_optimize and
14759 copyprop_hardreg_forward.
14761 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14763 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14764 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14765 Test against the appropriate null constant for the mode.
14766 If 'fixup_overlap' is true, swap the operands if they overlap.
14767 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14768 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14769 alpha_split_tmode_pair and adjust for above change.
14770 * config/alpha/alpha.md (movtf_internal): Adjust call to
14771 alpha_split_tfmode_pair and rely on it to swap the operands.
14772 (movti_internal): New insn and post-reload splitter.
14773 (movti): New expander.
14775 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14777 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14780 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14782 * rtlanal.c (global_reg_mentioned_p_1,
14783 global_reg_mentioned_p): Remove.
14784 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14786 * flow.c (initialize_uninitialized_subregs): Make it static.
14787 * rtl.h: Remove the prototype for
14788 initialize_uninitialized_subregs.
14790 * function.c (instantiate_virtual_regs): Make it static.
14791 * function.h: Remove the prototype for
14792 instantiate_virtual_regs.
14794 * regmove.c (regmove_optimize, combine_stack_adjustments):
14796 * rtl.h: Remove the prototypes for regmove_optimize and
14797 combine_stack_adjustments.
14799 2006-01-17 Roger Sayle <roger@eyesopen.com>
14801 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14802 (size_cost): Encode costs in bytes so that a reg-reg addition is
14803 equivalent to COSTS_N_INSNS(1).
14804 (override_options): Use the size_cost.branch_cost as the default
14805 ix86_branch_cost when optimizing for size.
14807 2006-01-18 Ben Elliston <bje@au.ibm.com>
14809 * Makefile.in (D32PBIT_FUNCS): New.
14810 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14811 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14812 D64PBIT_FUNCS and D128PBIT_FUNCS.
14813 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14814 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14816 (decnumber_dep): Define.
14817 * doc/libgcc.texi (Decimal float library routines): New node.
14818 * config/dfp-bit.h, config/dfp-bit.c: New files.
14820 2006-01-18 Ben Elliston <bje@au.ibm.com>
14822 * expr.c (emit_move_change_mode): Always adjust addresses, not
14823 just during reload. Copy replacements only during reload.
14824 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14825 emit_move_via_integer.
14827 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14829 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14830 instead of $(srcdir) and ${srcdir}.
14832 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14835 PR middle-end/11135
14836 * arm.h (struct machine_function): Add pic_reg.
14837 * arm.c (arm_pic_register): Make unsigned.
14838 (arm_override_options): Only set arm_pic_register if
14839 TARGET_SINGLE_PIC_BASE.
14840 (use_return_insn): Only test for a pic register if it is fixed.
14841 (arm_compute_save_reg0_reg12_mask): Likewise.
14842 (thumb_compute_save_reg_mask): Likewise.
14843 (legitimate_pic_operand): Factor out some known invariants.
14844 (legitimize_pic_address): If we don't have a fixed pic register,
14845 then set up a pseudo in the function entry sequence. Handle the
14846 pic base being in a pseudo.
14847 (arm_load_pic_register): Handle the pic register being in a pseudo.
14848 (arm_expand_prologue): Only set up the pic register if it is fixed.
14849 (thumb_expand_prologue): Likewise.
14850 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14851 (pic_load_addr_based_insn): Likewise.
14852 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14855 2006-01-18 Ben Elliston <bje@au.ibm.com>
14857 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14858 decimal float modes for all floating point registers.
14860 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14861 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14863 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14866 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14867 even when the pointer is not NULL.
14869 2006-01-16 Ian Lance Taylor <ian@airs.com>
14871 * common.opt (ftoplevel-reorder): New option.
14872 * cgraph.c (cgraph_asm_nodes): New global variable.
14873 (cgraph_asm_last_node): New static variable.
14874 (cgraph_order): New global variable.
14875 (cgraph_create_node): Set new order field.
14876 (cgraph_varpool_node): Likewise.
14877 (decide_is_variable_needed): Return true if not
14878 flag_toplevel_reorder.
14879 (cgraph_add_asm_node): New function.
14880 * cgraph.h (struct cgraph_node): Add order field.
14881 (struct cgraph_varpool_node): Add order field.
14882 (struct cgraph_asm_node): Define.
14883 (cgraph_asm_nodes, cgraph_order): Declare.
14884 (cgraph_add_asm_node): Declare.
14885 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14887 (cgraph_varpool_assemble_pending_decls): Call it.
14888 (cgraph_output_pending_asms): New static function.
14889 (cgraph_finalize_compilation_unit): Call it.
14890 (struct cgraph_order_sort): Define.
14891 (cgraph_output_in_order): New static function.
14892 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14893 !flag_toplevel_reorder case.
14894 * c-parser.c: Include "cgraph.h".
14895 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14897 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14898 than -fno-unit-at-a-time.
14899 * doc/invoke.texi (Option Summary): Mention
14900 -fno-toplevel-reorder.
14901 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14902 -funit-at-a-time documentation.
14904 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14905 Kazu Hirata <kazu@codesourcery.com>
14907 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14909 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14911 * Makefile.in (FUNCTION_H): New. Use it instead of
14912 function.h throughout the file.
14913 * function.h: Include tree.h.
14915 2006-01-17 Ben Elliston <bje@au.ibm.com>
14917 * recog.c: Separate some functions with whitespace.
14919 2006-01-16 Richard Henderson <rth@redhat.com>
14921 Merge from gomp branch:
14922 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14923 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14924 and rename from struct inline_data. Rename callee* to dst*;
14925 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14926 transform_new_cfg, transform_return_to_modify, and
14927 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14929 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14930 (copy_decl_for_dup): Remove.
14931 * tree-inline.c (struct inline_data): Move to header.
14932 (insert_decl_map): Export.
14933 (remap_decl): Update for member name changes. Use copy_decl hook.
14934 Allow for replacement to be a non-decl. Remove dead code.
14935 (remap_type_1): Check for existing mapping.
14936 (remap_type): Export.
14937 (remap_decls): Update for member name changes.
14938 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14939 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14940 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14941 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14942 (tree_function_versioning, build_duplicate_type): Likewise.
14943 (copy_body_r): Likewise. Export.
14944 (copy_decl_for_dup): Split into ...
14945 (copy_decl_for_dup_finish, copy_decl_to_var,
14946 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14947 (replace_ref_tree, inlining_p): Remove.
14949 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14951 * ifcvt.c (if_convert): Make it static.
14952 * rtl.h: Remove the prototype for if_convert.
14954 * local-alloc.c (local_alloc): Make it static.
14955 * rtl.h: Remove the prototype for local_alloc.
14957 * loop.c (loop_optimize): Make it static.
14958 * cfgloop.h: Remove the prototype for loop_optimize.
14961 2006-01-16 DJ Delorie <dj@redhat.com>
14963 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14966 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14968 * pa.md: Disparage copies between general and floating-point registers
14969 in 32-bit move patterns.
14971 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14974 * Makefile.in (check-%): Depend on site.exp instead of
14975 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14978 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14980 * global.c (global_alloc): Make it static.
14981 * rtl.h: Remove the prototype for global_alloc.
14983 2006-01-16 Richard Guenther <rguenther@suse.de>
14985 * tree-ssa-alias.c (struct used_part): Add write_only field.
14986 (get_or_create_used_part_for): Initialize it to true.
14987 (create_overlap_variables_for): Don't create structure variables
14988 for structures that only are written to.
14989 (find_used_portions): Handle MODIFY_EXPR to track whether a
14990 structure is only written to.
14992 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14994 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14996 * basic-block.h: Remove the prototype for
14997 partition_hot_cold_basic_blocks.
14999 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15001 * cppspec.c (lang_specific_spec_functions): Remove.
15002 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15003 * gcc.h (lang_specific_spec_functions): Remove.
15004 * gccspec.c (lang_specific_spec_functions): Remove.
15006 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15008 * combine.c (record_value_for_reg): Invalidate registers
15010 (record_dead_and_set_regs_1): Likewise, by passing them to
15011 record_value_for_reg.
15012 (record_dead_and_set_regs): Invalidate stores made by a
15013 call. We do not combine across a call, but we still
15014 relied on equivalences.
15016 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15018 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15019 vrp_int_const_binop returning non-constant nodes.
15021 2006-01-16 Paul Brook <paul@codesourcery.com>
15023 * config/m68k/m68k.c (output_move_const_into_data_reg):
15024 Output correct mnemonic for mvz and mvs.
15026 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15028 * rtl-factoring.c: Add sequence abstraction algorithm.
15029 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15030 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15032 (block_has_preserve_label): New function.
15033 * common.opt: Register new pass.
15034 * Makefile.in: Ditto.
15036 * timevar.def: Ditto.
15037 * tree-pass.h: Ditto.
15038 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15039 * rtl.h (make_jump_insn_raw): Add forward decl.
15040 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15042 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15043 Roger Sayle <roger@eyesopen.com>
15045 * fold-const.c (fold_minmax): New static function.
15046 (fold_binary) <MIN_EXPR>: Call it.
15047 <MAX_EXPR>: Likewise.
15048 * stor-layout.c (place_field): Use DECL_SIZE consistently
15049 in the computation of the new record size.
15051 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15053 * cse.c (cse_condition_code_reg): Make it static.
15054 * rtl.h: Remove the prototype for cse_condition_code_reg.
15056 * combine.c (combine_instructions): Make it static.
15057 * rtl.h: Remove the prototype for combine_instructions.
15059 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15062 * tree.c (get_file_function_name_long): Concatenate the first global
15063 object name with a string derived from the input filename of the object
15066 2006-01-16 Ben Elliston <bje@au.ibm.com>
15068 * config/i386/winnt-stubs.c: Update FSF address.
15069 * config/xtensa/ieee754-df.S: Ditto.
15070 * config/xtensa/ieee754-sf.S: Ditto.
15072 2006-01-14 Ian Lance Taylor <ian@airs.com>
15074 * ifcvt.c (noce_init_if_info): New static function, broken out of
15075 noce_process_if_block.
15076 (noce_process_if_block): Call noce_init_if_info.
15077 (check_cond_move_block): New static function.
15078 (cond_move_process_if_block): New static function.
15079 (process_if_block): Call cond_move_process_if_block.
15081 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15083 * cselib.c (hash_table): Rename to cselib_hash_table.
15084 (cselib_clear_table, discard_useless_values,
15085 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15086 cselib_init, cselib_finish): Adjust uses of hash_table.
15088 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15090 PR tree-optimization/25485
15091 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15092 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15093 is known to be false and true, respectively.
15095 2006-01-14 Richard Guenther <rguenther@suse.de>
15097 PR tree-optimization/22548
15098 PR tree-optimization/22555
15099 PR tree-optimization/22501
15100 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15101 * params.def (salias-max-array-elements): New parameter.
15102 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15103 * doc/invoke.texi (salias-max-array-elements): Document.
15104 * tree-flow-inline.h (var_can_have_subvars): We also handle
15106 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15108 * tree-ssa-structalias.c (params.h): Include.
15109 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15110 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15111 (get_constraint_for): For ADDR_EXPR operating on something
15112 containing an ARRAY_REF, add all subvars to the solution.
15113 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15114 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15115 for creating MUST_DEFs.
15116 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15118 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15120 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15122 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15123 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15124 number_of_iterations_le): New functions.
15125 (number_of_iterations_special): Removed.
15126 (number_of_iterations_exit): Do not use number_of_iterations_special.
15127 * tree.c (unsigned_type_for): Always return integer type.
15129 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15130 Richard Guenther <rguenther@suse.de>
15132 PR rtl-optimization/24257
15133 * gcse.c (find_moveable_store): Only consider a store movable
15134 when the SET_SRC of the insn can be assigned to a register.
15136 2006-01-14 Ian Lance Taylor <ian@airs.com>
15138 * tree.c (tree_not_class_check_failed): New function.
15139 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15140 (tree_not_class_check_failed): Declare.
15142 2006-01-13 Ian Lance Taylor <ian@airs.com>
15144 * reload1.c (do_output_reload): Add assertion rejecting a
15147 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15149 * combine.c (struct reg_stat): Add new fields truncation_label and
15151 (record_value_for_reg): Reset truncated_to_mode.
15152 (record_truncated_value): New function.
15153 (check_promoted_subreg): Call it. Rename to check_conversions.
15154 (combine_instructions): Rename check_promoted_subreg to
15156 (reg_truncated_to_mode): New function.
15157 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15158 (gen_lowpart_or_truncate): New function.
15159 (force_to_mode): Use it instead of gen_lowpart.
15161 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15163 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15164 VAR is a tag, not its type tag.
15166 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15168 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15169 alternatives to match style of other entries.
15170 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15172 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15174 PR tree-optimization/25771
15175 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15178 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15181 * tree-inline.c (declare_return_variable): If the return variable
15182 was marked as a non gimple complex, set the return slot variable
15183 to be a non gimple comple variable.
15185 2006-01-13 Richard Guenther <rguenther@suse.de>
15187 * builtins.c (expand_builtin_sincos): New function.
15188 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15190 (expand_builtin): Expand sincos using expand_builtin_sincos.
15192 2006-01-12 DJ Delorie <dj@redhat.com>
15194 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15195 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15196 so that constant shifts can be split.
15197 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15198 (m32c_valid_pointer_mode): Make static.
15199 (shift_gen_func_for): New.
15200 (m32c_prepare_shift): Use it. Split large const shifts into
15202 * config/m32c/predicates.md (shiftcount_operand): Allow more
15204 (longshiftcount_operand): New.
15205 * doc/md.texi (Machine Constraints): Document In6.
15207 2006-01-13 Ben Elliston <bje@au.ibm.com>
15209 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15210 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15213 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15215 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15216 to try to avoid clobbering pieces of structures when we know
15217 something about the whole structure.
15218 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15220 2006-01-13 Ben Elliston <bje@au.ibm.com>
15222 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15223 return in memory, as this is no limitation is no longer present.
15225 2006-01-12 DJ Delorie <dj@redhat.com>
15227 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15228 mova with fb, and for fb+0 -> An.
15230 * config/m32c/mov.md (peephole2): Fix enabling logic.
15232 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15233 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15234 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15235 FINI_ARRAY_SECTION_ASM_OP): Define.
15237 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15239 (m32c_legitimize_reload_address): New logic to reload FB to An.
15240 (m32c_output_reg_push): Add newline.
15241 (m32c_output_reg_pop): Likewise.
15243 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15245 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15247 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15249 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15251 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15253 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15256 2006-01-11 Ben Elliston <bje@au.ibm.com>
15258 * rtlanal.c (find_reg_note): Assert insn is not null.
15260 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15262 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15265 2006-01-11 Jeff Law <law@redhat.com>
15267 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15269 (mark_threaded_blocks, register_jump_thread): New functions.
15270 (thread_through_all_blocks): Remove unwanted argument. No
15271 longer rely on e->aux to communicate thread target info.
15272 Call mark_threaded_blocks. Release the threaded_blocks
15273 bitmap and threaded_edges vector when complete.
15274 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15275 (threaded_blocks): Remove.
15276 (tree_ssa_dominator_optimize): Remove initialization and
15277 finalization of threaded_blocks. Simplify call to
15278 thread_through_all_blocks.
15279 (thread_across_edge): Call register_jump_thread rather than
15280 storing thread information into e->aux.
15281 (free_all_edge_infos): Simplify now that e->aux is no longer
15282 used to communicate with thread_through_all_blocks.
15283 * tree-flow.h (thread_through_all_blocks): Update prototype.
15284 (register_jump_thread): Prototype.
15286 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15288 * df-core.c (df_compact_blocks, df_bb_replace): Use
15289 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15291 2006-01-11 Richard Guenther <rguenther@suse.de>
15293 PR tree-optimization/25734
15294 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15295 stop propagation after successful propagation to the LHS.
15297 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15299 * basic-block.h (control_flow_graph): Change the type of
15300 x_basic_block_info to VEC(basic_block,gc) *.
15301 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15303 (SET_BASIC_BLOCK): New.
15304 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15305 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15306 * cfgbuild.c (find_basic_blocks): Likewise.
15307 * cfglayout.c (fixup_reorder_chain): Likewise.
15308 * cfgrtl.c (create_basic_block_structure,
15309 rtl_create_basic_block): Likewise.
15310 * ifcvt.c (find_if_case_1): Likewise.
15311 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15314 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15316 * Makefile.in: Removed rotted odf.c entry.
15318 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15321 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15322 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15323 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15324 output pattern modifier, not %e.
15325 * config/cris/cris.c (cris_op_str): Update comment about pattern
15327 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15328 before falling through into...
15329 <case 'E'>: Redefined from old 'e' case.
15331 2006-01-11 Jan Hubicka <jh@suse.cz>
15334 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15336 2006-01-11 Jan Hubicka <jh@suse.cz>
15338 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15339 * i386.c (x86_decompose_lea): Kill.
15340 (ix86_rtx_costs): Kill.
15342 2006-01-11 Jan Hubicka <jh@suse.cz>
15344 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15345 * cgraph.h (cgraph_node): Add inline_decl.
15346 (cgraph_insert_node_to_hashtable): Declare.
15347 (save_inline_function_body): Declare.
15348 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15350 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15351 (cgraph_function_versioning): Update call of tree_function_versioning.
15352 (save_inline_function_body): New function.
15353 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15354 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15355 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15356 (cgraph_default_inline_p): Likewise.
15357 (cgraph_decide_inlining_incrementally): Likewise.
15358 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15359 (copy_bb): Kill saving; do updating of clones.
15360 (copy_cfg_body): Kill saving.
15361 (initialize_inlined-parameters): Likewise.
15362 (expand_call_inline): Likewise.
15364 (tree_function_versioning): New parameter "update_clones".
15365 (inlining_p): Kill saving.
15366 * tree-inline.h (tree_function_versioning): Update prototype.
15367 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15370 2006-01-11 Ian Lance Taylor <ian@airs.com>
15372 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15373 Allow undoing set of machine mode.
15374 (do_SUBST): Use enums instead of is_int.
15375 (do_SUBST_MODE): New function.
15376 (SUBST_MODE): New macro.
15377 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15378 reg and trying to replace reg_regno_rtx with a new register.
15379 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15380 (simplify_set): Use SUBST_MODE.
15381 (distribute_notes): Remove code that tried to update reg notes
15382 for regno_reg_rtx changes.
15384 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15386 PR tree-optimization/23109
15387 PR tree-optimization/23948
15388 PR tree-optimization/24123
15390 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15391 * tree-cfg.c (single_noncomplex_succ): New.
15392 * tree-flow.h (single_noncomplex_succ): Declare it.
15393 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15394 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15395 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15396 insert_bb, register_division_in, insert_reciprocals,
15397 replace_reciprocal, free_bb): New.
15398 (execute_cse_reciprocals_1): Rewritten.
15399 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15400 Do not commit any edge insertion. Always compute dominators and
15401 create the allocation pool.
15402 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15403 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15404 * targhooks.c (default_min_divistions_for_recip_mul): New.
15405 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15406 * passes.c (init_optimization_passes): Run recip after tree loop
15408 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15410 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15411 Kenneth Zadeck <zadeck@naturalbridge.com>
15413 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15414 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15415 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15416 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15417 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15418 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15419 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15420 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15421 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15422 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15423 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15424 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15425 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15426 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15427 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15428 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15429 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15430 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15431 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15432 DF_SCAN_POST_ALLOC): New macros.
15433 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15434 df_free_bb_function, df_local_compute_function, df_init_function,
15435 df_dataflow_function, df_confluence_function_0,
15436 df_confluence_function_n, df_transfer_function,
15437 df_finalizer_function, df_free_function, df_dump_problem_function,
15438 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15439 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15440 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15441 df_urec_bb_info, ) New types.
15442 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15444 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15445 df_analyze_simple_change_some_blocks,
15446 df_analyze_simple_change_one_block, df_compact_blocks,
15447 df_bb_replace, df_bb_regno_last_use_find,
15448 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15449 df_insn_regno_def_p, df_find_def, df_find_use,
15450 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15451 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15452 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15453 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15454 debug_df_chain, df_get_dependent_problem, df_chain_create,
15455 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15456 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15457 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15458 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15459 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15460 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15461 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15462 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15463 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15464 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15465 df_reorganize_refs, df_set_state, df_hard_reg_init,
15466 df_read_modify_subreg_p) New public functions.
15467 * df-core.c: The core dataflow solver and glue routines for rtl
15469 (df_init, df_add_problem, df_set_blocks, df_finish,
15470 df_hybrid_search_forward, df_hybrid_search_backward,
15471 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15472 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15473 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15474 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15475 df_reg_defined, df_find_use, df_reg_used, df_dump,
15476 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15477 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15478 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15479 debug_df_useno, reset_df_after_reload): New functions.
15480 * df-scan.c: The scanning fuctions, once in df.c, completely
15481 rewritten so that they now fully model the functionality of
15482 register usage at the backend.
15483 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15484 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15485 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15486 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15487 df_get_artificial_defs, df_get_artificial_uses,
15488 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15489 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15490 df_refs_delete, df_reorganize_refs, df_set_state,
15491 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15492 df_def_record_1, df_defs_record, df_uses_record,
15493 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15494 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15495 df_record_exit_block_uses, df_hard_reg_init): New functions.
15497 * df-problems.c: Seven concrete dataflow problems that use the
15498 scanning in df-scan.c and are solved by the engine in df-core.c.
15499 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15500 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15501 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15502 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15503 df_ru_free_bb_info, df_ru_alloc,
15504 df_ru_bb_local_compute_process_def,
15505 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15506 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15507 df_ru_transfer_function, df_ru_free, df_ru_dump,
15508 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15509 df_rd_free_bb_info, df_rd_alloc,
15510 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15511 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15512 df_rd_transfer_function, df_rd_free, df_rd_dump,
15513 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15514 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15515 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15516 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15517 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15518 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15519 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15520 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15521 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15522 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15523 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15524 df_urec_mark_reg_use_for_earlyclobber,
15525 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15526 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15527 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15528 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15529 df_chain_create_bb_process_use, df_chain_create_bb,
15530 df_chain_finalize, df_chain_free, df_chains_dump,
15531 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15532 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15533 df_reg_lifetime): New functions.
15534 * df.c: Deleted file.
15535 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15536 consistent with new df api.
15537 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15538 rest_of_handle_sms): Ditto.
15539 * web.c (unionfind_union, union_defs, entry_register, web_main):
15541 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15542 invariant_expr_equal_p, find_defs, check_dependencies,
15543 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15544 free_inv_motion_data, move_loop_invariants): Ditto.
15545 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15546 Update dependencies.
15547 (odf.c): Added defective entry that was deleted later in day.
15548 * sched-deps.c (sched_analyze_1): Ditto.
15550 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15552 * tree-ssa-operands.c (get_expr_operands): Record addressable
15553 variables directly. Do not call add_stmt_operands for CONST_DECLs
15555 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15556 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15558 2006-01-11 Ben Elliston <bje@au.ibm.com>
15560 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15561 function returns true in the positive case.
15563 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15566 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15567 for SI, DI, SF and DF modes. Add alternatives to copy between
15568 general and floating point registers to the 32-bit patterns.
15569 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15570 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15571 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15572 generating 64-bit code.
15573 * config/pa/pa.c (output_move_double): Handle copies between general
15574 and floating registers.
15576 2006-01-10 Stuart Hastings <stuart@apple.com>
15578 * config/i386/i386.md (set_got): Update.
15579 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15580 (builtin_setjmp_receiver): Mach-O support.
15581 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15582 (GOT_SYMBOL_NAME): Define.
15583 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15584 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15585 * config/i386/i386.c (override_options): Revise for Darwin.
15586 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15587 support. (darwin_x86_file_end): New. (output_set_got): Add label
15588 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15589 * config/i386/i386-protos.h (output_set_got): Likewise.
15590 * config/darwin.c (machopic_legitimize_pic_address): Update
15593 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15595 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15596 when MODE isn't BLKmode.
15598 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15600 PR rtl-optimization/25367
15601 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15603 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15606 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15607 for a negative bound.
15609 2006-01-10 Richard Guenther <rguenther@suse.de>
15611 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15612 Never override with anything constraint.
15614 2006-01-10 Jan Beulich <jbeulich@novell.com>
15616 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15617 256 bits when optimize_size.
15619 2006-01-10 Jan Beulich <jbeulich@novell.com>
15621 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15623 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15624 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15627 2006-01-10 Ben Elliston <bje@au.ibm.com>
15629 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15631 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15632 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15633 (USE_FP_FOR_ARG): Reject decimal float modes.
15634 (function_arg_advance): Likewise.
15635 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15636 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15637 point types in AltiVec vectors.
15638 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15639 (rs6000_libcall_value): Likewise.
15641 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15643 * config/xtensa/ieee754-df.S: New file.
15644 * config/xtensa/ieee754-sf.S: New file.
15645 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15646 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15647 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15649 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15651 * config/sh/predicates.md (binary_float_operator,
15652 binary_logical_operator, commutative_float_operator,
15653 equality_comparison_operator, greater_comparison_operator,
15654 less_comparison_operator, logical_operator,
15655 noncommutative_float_operator, shift_operator,
15656 symbol_ref_operand, unary_float_operator): Remove redundant
15659 2006-01-09 Jeff Law <law@redhat.com>
15661 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15662 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15663 now unused arguments. Callers updated.
15664 (eliminate_redundant_computations): Remove now unused arguments,
15666 (local_fold): Remove, no longer used.
15667 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15669 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15670 (simplify_cond): New function.
15671 (forward_propagate_into_cond): Call simplify_cond.
15673 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15675 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15676 (*vec_extractv2di_1_sse): New.
15678 2006-01-09 Ben Elliston <bje@au.ibm.com>
15680 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15682 2006-01-08 Richard Guenther <rguenther@suse.de>
15684 * tree-ssa-structalias.c (get_constraint_for): Remove
15685 anyoffset argument.
15686 (get_constraint_for_component_ref): Likewise.
15687 (do_deref): Likewise.
15688 (get_constraint_for): Likewise.
15689 (do_structure_copy): Likewise.
15690 (handle_ptr_arith): Likewise.
15691 (find_func_aliases): Likewise. Remove unused need_anyoffset
15694 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15695 Kaz Kojima <kkojima@gcc.gnu.org>
15697 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15698 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15699 (EXTRA_CONSTRAINT_C16): Remove.
15700 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15701 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15702 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15703 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15704 constants of SHmedia. Handle nested constant expressions of
15706 (andcosts): Fix the costs for SHmedia constants.
15707 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15708 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15709 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15710 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15711 (movv4hi_i, movv2si_i): Likewise.
15712 (movsi_const): Adjust the second operand of ior so to match with
15713 the Csu constraint.
15714 (movdi_const, movdi_const_32bit): Likewise.
15715 (movdi_const_16bit+1): Don't sign-extend LOW.
15716 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15718 (*double_shori): Fix the split condition. Use GEN_INT instead
15719 of get_int_mode calls. Mask lower 16-bit of the argument of
15721 (sym2GOTPLT): Remove.
15722 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15724 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15725 instead of EXTRA_CONSTRAINT_C16.
15727 2006-01-07 Ian Lance Taylor <ian@airs.com>
15728 David Edelsohn <edelsohn@gnu.org>
15730 PR rtl-optimization/25662
15731 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15732 for constant operands instead of simplify_gen_binary.
15733 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15734 after trying simplify_binary_operation
15736 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15738 * tree.c (iterative_hash_expr): Hash decls based on UID.
15740 2006-01-06 Eric Christopher <echristo@apple.com>
15742 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15743 (TARGET_UNWIND_EMIT): Fix spelling.
15744 * target.h (gcc_target): Add except_table_label.
15745 * except.c (output_function_exception_table): Use.
15746 * varasm.c (default_emit_except_table_label): New.
15747 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15749 (asm_out): Add here.
15750 * output.h (default_emit_except_table_label): Prototype.
15751 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15752 * config/darwin.c (darwin_emit_except_table_label): Define.
15753 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15755 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15757 PR tree-optimization/18527
15758 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15759 number_of_iterations_special, number_of_iterations_exit):
15760 Move base and step of an iv to a single structure. Add
15761 no_overflow flag, and use it in # of iterations analysis.
15762 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15763 folded_casts argument.
15764 (simple_iv): Pass base and step in a structure. Set no_overflow
15766 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15767 Evaluate expensiveness of computing # of iterations instead of
15768 the final expression.
15769 * tree-scalar-evolution.h (affine_iv): New structure.
15770 (simple_iv): Declaration changed.
15771 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15772 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15773 find_givs_in_stmt): Changed due to simple_iv change.
15775 2006-01-06 Jeff Law <law@redhat.com>
15778 * tree-cfg.c (bsi_replace): Rename final argument from
15779 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15780 change (stmt -> orig_stmt).
15781 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15782 (bsi_remove): Add new argument. Remove EH information
15784 (verify_eh_throw_table_statements): New function.
15785 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15787 * tree-optimize.c (execute_free_cfg_annotations): Verify
15788 the EH throw statement table after removing annotations.
15789 * except.h (verify_eh_throw_table_statements): Prototype.
15790 * tree-flow.h (bsi_remove): Update prototype.
15791 * tree-vrp.c (remove_range_assertions): Add new argument to
15793 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15794 * tree-complex.c (expand_complex_div_wide): Likewise.
15795 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15796 * tree-tailcall.c (eliminate_tailcall): Likewise.
15797 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15798 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15799 * tree-nrv.c (tree_nrv): Likewise.
15800 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15801 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15802 (combine_blocks): Likewise.
15803 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15804 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15805 (cleanup_control_flow): Likewise.
15806 (remove_forwarder_block): Likewise.
15807 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15808 * tree-sra.c (sra_replace): Likewise.
15809 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15810 (forward_propagate_single_use_vars): Likewise.
15811 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15812 * tree-inline.c (expand_call_inline): Likewise.
15813 * tree-vect-transform.c (vect_transform_loop): Likewise.
15814 * tree-outof-ssa.c (rewrite_trees): Likewise.
15815 * tree-cfg.c (make_goto_expr_edges): Likewise.
15816 (cleanup_dead_labels): Likewise.
15817 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15818 (bsi_move_before, bsi_move_after): Likewise.
15819 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15820 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15822 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15825 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15827 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15828 on non gimple variables. Also add checks at the top for decls and
15830 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15832 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15833 and IMAGPART_EXPR for creating MUST_DEFs.
15834 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15835 and NAME_MEMORY_TAG separately from the DECLs.
15837 2006-01-06 Richard Guenther <rguenther@suse.de>
15839 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15840 annotation, if necessary.
15841 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15842 redundant calls to update_stmt.
15843 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15846 2006-01-05 Richard Henderson <rth@redhat.com>
15848 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15850 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15852 * c-typeck.c: Update copyright date.
15854 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15856 * c-typeck.c (build_c_cast): Always warn when casting
15857 from a pointer to an integer of different size, even if
15858 the node was constant.
15860 2006-01-05 Richard Guenther <rguenther@suse.de>
15862 PR tree-optimization/22555
15863 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15864 if one structure field is an array.
15865 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15866 operands even if we found a subvar, but ignore VOPs in this
15868 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15870 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15872 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15874 PR middle-end/24998
15875 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15877 2006-01-05 Richard Guenther <rguenther@suse.de>
15878 Diego Novillo <dnovillo@redhat.com>
15880 * tree-pass.h (TODO_remove_unused_locals): Define.
15881 * gimple-low.c (expand_var_p, remove_useless_vars,
15882 pass_remove_useless_vars): Remove. Update all users.
15883 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15884 (remove_unused_locals): New function.
15885 * tree-flow.h (remove_unused_locals): Declare.
15886 * passes.c (execute_todo): Call remove_unused_locals if
15887 TODO_remove_unused_locals is set.
15888 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15889 * tree-ssa-dce.c (pass_dce): Likewise.
15890 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15892 2006-01-05 Richard Guenther <rguenther@suse.de>
15894 * tree-flow.h (struct fieldoff): Decompose field to
15895 type, size and decl.
15896 * tree-ssa-alias.c (create_sft): Take type as parameter.
15897 (create_overlap_variables_for): Store type, size and decl
15898 in the fieldoff structure.
15899 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15900 of struct fieldoff.
15901 (push_fields_onto_fieldstack): Likewise.
15902 (create_variable_info_for): Likewise. Use offset for the
15903 SFT name if the decl is not available.
15905 2006-01-04 Paul Brook <paul@codesourcery.com>
15907 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15909 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15911 * lambda-code.c (can_put_in_inner_loop): Relax
15913 (can_put_after_inner_loop): New function.
15914 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15915 (perfect_nestify): Change to make copies and modify uses.
15917 2006-01-04 Richard Henderson <rth@redhat.com>
15919 Merge from gomp branch:
15920 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15921 via integer constant.
15922 (pragma_lex): Remove.
15923 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15924 rather than parsing it.
15925 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15926 handle_pragma_extern_prefix): Add %< %> quotes.
15927 (registered_pragmas): New.
15928 (c_register_pragma_1): New.
15929 (c_register_pragma): Use it.
15930 (c_register_pragma_with_expansion): Likewise.
15931 (c_invoke_pragma_handler): New.
15932 (init_pragma): Use cpp_register_deferred_pragma directly for
15934 * c-pragma.h (enum pragma_kind): New.
15935 (pragma_handler): New.
15936 (c_invoke_pragma_handler): Declare.
15937 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15939 * c-common.h (c_common_pch_pragma): Update decl.
15940 * Makefile.in (c-parser.o): Update dependencies.
15941 (GTFILES): Add c-pragma.h.
15942 * c-parser.c (struct c_token): Add pragma_kind.
15943 (struct c_parser): Add in_pragma.
15944 (c_lex_one_token): Always initialize keyword and pragma_kind.
15945 Extract data for CPP_PRAGMA.
15946 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15947 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15948 Don't allow CPP_PRAGMA_EOL if in_pragma.
15949 (c_parser_consume_pragma): New.
15950 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15951 (c_parser_skip_to_end_of_parameter): Likewise.
15952 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15953 (c_parser_skip_to_pragma_eol): New.
15954 (c_parser_external_declaration): Handle CPP_PRAGMA.
15955 (c_parser_compound_statement_nostart): Likewise.
15956 (c_parser_statement_after_labels): Likewise.
15957 (c_parser_pragma): New.
15958 (pragma_lex): Likewise.
15959 (c_parser_pragma_pch_preprocess): New.
15960 (c_parser_new): Merge into ...
15961 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15963 2006-01-04 Jeff Law <law@redhat.com>
15966 * tree-cfg.c (bsi_replace): Remove the original statement
15967 from the EH throw statement table.
15969 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15971 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15972 make the prototype extern "C" and add throw ().
15975 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15976 and pos non-negative and pos + len <= 32.
15977 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15978 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15979 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15982 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15983 as well as sizes not multiple of component size.
15986 * function.c (instantiate_expr): New function.
15987 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15988 walk its DECL_VALUE_EXPR with instantiate_expr.
15990 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15991 DW_OP_deref{,_size} if address isn't going to be added.
15993 2006-01-04 Ben Elliston <bje@au.ibm.com>
15995 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15996 * config/fp-bit.c: Likewise.
15998 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16000 * dominance.c: Add comment about why we use DFS numbering
16003 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16004 Richard Henderson <rth@redhat.com>
16006 Merge from gomp-branch:
16007 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16008 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16010 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16012 PR rtl-optimization/25578
16013 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16014 pass a parameter to simplify_shift_const if changing ASHIFTRT
16017 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16019 * builtins.c (get_builtin_sync_mem): New function.
16020 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16021 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16022 Call get_builtin_sync_mem to generate mem rtx.
16024 2006-01-03 Richard Guenther <rguenther@suse.de>
16027 * stmt.c (add_case_node): Make sure to clear overflow flags
16030 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16032 Merge from gomp-branch.
16033 * config/sparc/sync.md: New file.
16034 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16035 UNSPECV_LDSTUB): New constants.
16036 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16037 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16038 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16041 2006-01-03 Roger Sayle <roger@eyesopen.com>
16043 * combine.c (reg_subword_p): New predicate to test whether the
16044 destination of a set refers to a subword/piece of a register.
16045 (try_combine): Generalize the code to merge the setting of a
16046 pseudo to a constant followed by a set of a subword of that
16047 register to a constant.
16049 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16051 * basic-block.h (control_flow_graph): Change the type of
16052 x_label_to_block_map to VEC(basic_block,gc) *.
16053 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16054 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16056 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16057 VEC(basic_block,heap) *.
16058 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16059 ssa_prop_fini): Adjust the uses of cfg_blocks.
16061 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16063 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16065 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16066 hashing trees instead of a pointer hash.
16067 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16068 compare for MEM_EXPR.
16070 PR rtl-optimization/25130
16071 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16072 when comparing MEMs for GCSE
16074 2006-01-03 Ben Elliston <bje@au.ibm.com>
16076 * targhooks.h (default_decimal_float_supported_p): Declare.
16077 * targhooks.c (default_decimal_float_supported_p): Define.
16078 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16079 `default_decimal_float_supported_p'.
16080 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16082 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16084 * combine.c (apply_distributive_law <SUBREG>): Check
16085 TRULY_NOOP_TRUNCATION.
16087 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16089 * dwarf2out.c (have_switched_text_section): Delete.
16090 (have_multiple_function_sections): New.
16091 (have_location_lists): Make 'bool'.
16092 (add_AT_loc_list): Use 'true' not '1'.
16093 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16094 (output_loc_list): Use have_multiple_function_sections.
16095 (output_ranges): Likewise.
16096 (dwarf2out_begin_function): Set have_multiple_function_sections if
16098 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16099 Check function_section rather than DECL_SECTION_NAME.
16100 (dwarf2out_finish): Use have_multiple_function_sections.
16101 Don't clear have_location_lists.
16103 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16104 Jan Hubicka <jh@suse.cz>
16106 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16107 case of conditional jump jumping to the next instruction.
16108 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16109 cases of conditional jump jumping to the next instruction.
16111 2006-01-02 Jan Hubicka <jh@suse.cz>
16113 * i386.c (*_cost): Add COSTS_N_INSNS.
16114 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16116 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16119 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16121 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16123 * config/arm/arm.c (all_fpus): Fix comment typo.
16124 * config/darwin.c: Likewise.
16125 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16126 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16127 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16129 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16131 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16132 (rs6000_split_compare_and_swapqhi): New.
16133 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16134 (sync_compare_and_swapqhi_internal): New.
16135 * config/rs6000/rs6000-protos.h: Declare.