1 2006-10-21 Richard Guenther <rguenther@suse.de>
3 PR tree-optimization/3511
4 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
5 got new invariant arguments during PHI translation.
7 2006-10-21 Richard Guenther <rguenther@suse.de>
10 * fold-const.c (fold_comparison): Fold signed comparisons
11 of the form X +- C1 CMP Y +- C2.
13 2006-10-21 Richard Guenther <rguenther@suse.de>
16 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
17 if flag_unsafe_math_optimizations is specified. We have
18 flag_finite_math_only for that.
19 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
20 or flag_unsafe_math_optimizations.
22 2006-10-21 Richard Guenther <rguenther@suse.de>
24 * builtins.c (fold_builtin_classify): Fix typo.
26 2006-10-21 Richard Guenther <rguenther@suse.de>
29 * simplify-rtx.c (simplify_const_relational_operation):
30 Do not constant-fold ORDERED and UNORDERED for
31 flag_unsafe_math_optimizations but only we do not need to
32 honor NaNs for the given mode.
34 2006-10-21 Richard Guenther <rguenther@suse.de>
37 * config/i386/i386.c (classify_argument): Remove redundant
38 walking of the BINFOs.
39 (contains_128bit_aligned_vector_p): Likewise.
41 2006-10-20 Mark Mitchell <mark@codesourcery.com>
43 * BASE-VER: Set to 4.3.0.
45 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
47 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
48 (tree_decl_with_vis): Remove artificial_pta_var flag.
49 * tree-flow.h (referenced_var_check_and_insert): Expose.
50 (nonlocal_all): New prototype.
51 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
52 (nonlocal_all): Make global.
53 (nonlocal_lookup): Remove.
54 (nonlocal_insert): Ditto.
55 (create_nonlocal_var): Do not call nonlocal_insert.
56 (get_nonlocal_id_for_type): Remove.
57 (find_global_initializers): Mark new vars we find for renaming.
58 (intra_create_variable_infos): Only create one nonlocal.
59 (expand_nonlocal_solutions): Remove.
60 (compute_points_to_sets): Don't call it.
61 (ipa_pta_execute): Ditto.
62 (init_alias_heapvars): Don't create nonlocal_for_type.
63 (delete_alias_heapvars): Don't remove it.
64 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
67 2006-10-19 Brooks Moses <bmoses@stanford.edu>
69 * doc/install.texi (Downloading GCC): Clarify mention of
70 Fortran in the "full distribution" description.
72 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
74 Fix PR tree-optimization/28778
75 Fix PR tree-optimization/29156
76 Fix PR tree-optimization/29415
77 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
78 (tree_decl_with_vis): Add artificial_pta_var flag.
79 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
81 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
82 (nonlocal_all): Ditto.
83 (struct variable_info): Add directly_dereferenced member.
84 (var_escaped_vars): New variable.
85 (escaped_vars_tree): Ditto.
86 (escaped_vars_id): Ditto.
87 (nonlocal_vars_id): Ditto.
88 (new_var_info): Set directly_dereferenced.
89 (graph_size): New variable
90 (build_constraint_graph): Use graph_size.
91 (solve_graph): Don't process constraints that cannot change the
92 solution, don't try to propagate an empty solution to our
94 (process_constraint): Set directly_dereferenced.
95 (could_have_pointers): New function.
96 (get_constraint_for_component_ref): Don't process STRING_CST.
97 (nonlocal_lookup): New function.
98 (nonlocal_insert): Ditto.
99 (create_nonlocal_var): Ditto.
100 (get_nonlocal_id_for_type): Ditto.
101 (get_constraint_for): Allow results vector to be empty in the case
103 Handle results of calls properly.
104 (update_alias_info): Update alias info stats on number and type of
106 (find_func_aliases): Use could_have_pointers.
107 (make_constraint_from_escaped): Renamed from
108 make_constraint_to_anything, and changed to make constraints from
110 (make_constraint_to_escaped): New function.
111 (find_global_initializers): Ditto.
112 (create_variable_info_for): Make constraint from escaped to any
113 global variable, and from any global variable to the set of
115 (intra_create_variable_infos): Deal with escaped instead of
116 pointing to anything.
117 (set_uids_in_ptset): Do type pruning on directly dereferenced
119 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
120 (init_base_vars): Fix comment, and initialize escaped_vars.
121 (need_to_solve): Removed.
122 (find_escape_constraints): New function.
123 (expand_nonlocal_solutions): Ditto.
124 (compute_points_to_sets): Call find_escape_constraints and
125 expand_nonlocal_solutions.
126 (delete_points_to_sets): Don't fall off the end of the graph.
127 (init_alias_heapvars): Initialize nonlocal_for_type and
129 (delete_alias_heapvars): Free nonlocal_for_type and null out
132 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
134 * fold-const.c (add_double): Rename to add_double_with_sign.
135 Add 'unsigned_p' parameter and take it into account for the overflow.
136 (mul_double): Rename to mul_double_with_sign.
137 Add 'unsigned_p' parameter and take it into account for the overflow.
138 (fold_div_compare): Call add_double_with_sign instead of add_double
139 and mul_double_with_sign instead of mul_double, passing them the
140 unsignedness of the type.
141 * tree.h (add_double): Macroize.
142 (add_double_with_sign): New prototype.
143 (mul_double): Macroize.
144 (mul_double_with_sign): New prototype.
146 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
148 * config/score/crti.asm: New file.
149 * config/score/crtn.asm: New file.
150 * config/score/elf.h: New file.
151 * config/score/mac.md: New file.
152 * config/score/misc.md: New file.
153 * config/score/mul-div.S: New file.
154 * config/score/predicates.md: New file.
155 * config/score/score7.md: New file.
156 * config/score/score.c: New file.
157 * config/score/score-conv.h: New file.
158 * config/score/score.h: New file.
159 * config/score/score.md: New file.
160 * config/score/score-mdaux.c: New file.
161 * config/score/score-mdaux.h: New file.
162 * config/score/score-modes.def: New file.
163 * config/score/score.opt: New file.
164 * config/score/score-protos.h: New file.
165 * config/score/score-version.h: New file.
166 * config/score/t-score-elf: New file.
167 * config.gcc: Add score*-*-* configurations(Update before).
168 * doc/invoke.texi (Score Options): New section.
169 * doc/md.texi (Score family): New section to document constraints.
171 2006-10-19 Nick Clifton <nickc@redhat.com>
173 * config/arm/arm.c: Fix spelling typo.
175 2006-10-18 Tom Tromey <tromey@redhat.com>
177 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
179 2006-10-18 Jan Hubicka <jh@suse.cz>
182 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
185 2006-10-18 Marcin Dalecki <martin@dalecki.de>
187 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
188 TSI_SAME_STMT, since that's the desired entity.
190 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
192 * config/s390/contraints.md: New file.
193 * config/s390/s390-protos.h (s390_mem_constraint,
194 s390_O_constraint_str, s390_N_constraint_str,
195 s390_float_const_zero_p): Function prototypes added.
196 * config/s390/s390.c (s390_extra_constraint_str,
197 s390_const_double_ok_for_constraint_p,
198 s390_const_ok_for_constraint_p): Functions removed.
199 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
200 s390_float_const_zero_p): New functions.
201 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
202 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
203 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
204 Macro definitions removed.
205 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
206 s390_extra_constraint_str): Functions removed.
208 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
209 Richard Sandiford <richard@codesourcery.com>
212 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
213 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
215 2006-10-16 Geoffrey Keating <geoffk@apple.com>
217 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
218 (DWARF2_FRAME_REG_OUT): Likewise.
219 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
220 (DWARF2_FRAME_REG_OUT): Likewise.
222 2006-10-17 Paul Brook <paul@codesourcery.com>
224 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
226 2006-10-16 Brooks Moses <bmoses@stanford.edu>
228 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
229 Standardize on "GNU Fortran" as the official name of the Fortran
232 2006-10-16 Mike Stump <mrs@apple.com>
234 * doc/invoke.texi (Darwin Options): Document -mkernel.
235 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
237 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
238 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
239 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
240 (OS_MISSING_ALTIVEC): Add.
241 * config/i386/i386.c (override_options): Add
242 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
243 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
244 -mkernel, -static or -mdynamic-no-pic is given.
245 (C_COMMON_OVERRIDE_OPTIONS): Add.
246 * config/darwin.opt (fapple-kext): Add.
248 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
249 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
251 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
252 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
253 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
254 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
255 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
257 (flag_apple_kext): Add.
258 (TARGET_KEXTABI): Add.
259 * config/darwin.c (darwin_handle_kext_attribute): Add.
260 (DARWIN_VTABLE_P): Add.
261 (darwin_binds_local_p): Add partial support for rebinding vtables
263 (darwin_kextabi_p): Add.
264 (darwin_override_options): Add.
265 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
266 (darwin_kextabi_p): Add.
267 (darwin_override_options): Add.
268 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
269 __DYNAMIC__ and __STATIC__ here.
271 2006-10-16 Brooks Moses <bmoses@stanford.edu>
273 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
274 Added mention of "make pdf" target, and Texinfo requirements for
277 2006-10-16 DJ Delorie <dj@redhat.com>
279 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
280 into the GOT in case we need a subreg of the address.
282 2006-10-16 Richard Guenther <rguenther@suse.de>
285 * doc/extend.texi (X86 Built-in Functions): Fix typos in
286 SSE builtin documentation. Document SSE2 builtins.
288 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
290 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
291 symbol in the output file for non-shared links when -nostdlib or
292 -nodefaultlibs isn't specified.
294 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
295 posix thread support.
297 2006-10-15 Jan Hubicka <jh@suse.cz>
300 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
301 declared always_inline even when not inlining.
303 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
304 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
305 Andrew Pinski <pinskia@gmail.com>
308 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
310 2006-10-15 Jan Hubicka <jh@suse.cz>
311 Richard Guenther <rguenther@suse.de>
314 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
315 process_function_and_variable_attributes on all variables, including
316 those discovered during cgraph construction phase.
318 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
320 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
322 2006-10-14 Uros Bizjak <uros@kss-loka.si>
324 * config/i386/athlon.md (athlon_fist): Add fisttp.
326 2006-10-13 David Edelsohn <edelsohn@gnu.org>
327 Ian Lance Taylor <ian@airs.com>
330 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
331 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
334 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
336 * config/score/score.c, config/score/score.h: Fix comment
339 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
342 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
345 2006-10-13 Eric Christopher <echristo@apple.com>
347 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
349 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
352 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
353 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
354 alignment supported by 32-bit ELF.
356 2006-10-13 Eric Christopher <echristo@apple.com>
358 * config/darwin.c (darwin_emit_unwind_label): Strip
359 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
361 2006-10-13 Richard Guenther <rguenther@suse.de>
363 PR tree-optimization/29446
364 * tree-vrp.c (fix_equivalence_set): Remove.
365 (extract_range_from_assert): Do not call fix_equivalence_set.
366 (debug_value_range): Print a newline.
367 (compare_name_with_value): For equivalence sets with
368 inconsistent value ranges conservatively bail out.
369 (compare_names): Likewise.
371 2006-10-13 David Edelsohn <edelsohn@gnu.org>
373 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
374 and MPFR for gfortran.
376 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
378 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
379 alignment supported by 32-bit ELF.
381 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
385 * c-typeck.c (digest_init): Always allow initializing vectors
386 that have static storage duration with compound literals.
387 * tree.c (build_type_attribute_qual_variant): New, based on
388 build_type_attribute_variant.
389 (build_type_attribute_variant): Rewrite using the former.
390 (make_vector_type): Use build_type_attribute_qual_variant to build
391 type variants. Use type_hash_canon on the others.
393 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
394 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
396 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
398 2006-10-12 Jan Hubicka <jh@suse.cz>
401 * c-decl.c (c_make_fname_decl): Do not segfault in case where
402 current_function_decl is set but current_function_scope is not.
404 2006-10-12 Jie Zhang <jie.zhang@analog.com>
406 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
407 emit_insn to emit eh_return_internal instruction.
408 (eh_return_internal): Explicitly set pc.
410 2006-10-11 Richard Guenther <rguenther@suse.de>
412 PR tree-optimization/28230
413 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
414 to the correct place.
416 2006-10-11 Richard Guenther <rguenther@suse.de>
419 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
422 2006-10-10 Brooks Moses <bmoses@stanford.edu>
424 * configure.ac: Added pdf to "Make-hooks"
425 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
426 targets and *.pdf file patterns in cleanup targets.
427 * configure: Regenerated.
429 2006-10-10 Anatoly Sokolov <aesok@post.ru>
431 * config/avr/predicates.md: New file.
432 * config/avr/avr.md: Include it.
433 (REG_SP): New constant.
434 (peepholes): Use predicates.
435 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
436 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
437 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
439 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
441 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
444 2006-10-10 Jakub Jelinek <jakub@redhat.com>
447 * builtins.c (var_decl_component_p): New function.
448 (fold_builtin_memset, fold_builtin_memory_op): Restrict
449 single entry optimization to variables and components thereof.
451 2006-10-10 Richard Guenther <rguenther@suse.de>
453 PR rtl-optimization/29323
454 * except.c (set_nothrow_function_flags): For functions
455 that do not bind local bail out early.
457 2006-10-10 Ben Elliston <bje@au.ibm.com>
459 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
462 2006-10-09 Richard Henderson <rth@redhat.com>
466 2006-10-09 Richard Guenther <rguenther@suse.de>
469 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
472 2006-10-09 Steve Ellcey <sje@cup.hp.com>
475 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
476 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
477 * configure: Regenerate.
478 * config.in: Regenerate.
480 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
482 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
484 2006-10-08 Richard Sandiford <richard@codesourcery.com>
486 * config/mips/mips.c (mips_legitimize_tls_address): Implement
487 all TLS models in the same way as local exec if !TARGET_ABICALLS.
488 Remove stray newline.
490 2006-10-08 Richard Sandiford <richard@codesourcery.com>
492 * config/mips/mips.c (mips_classify_symbol): Do not return
493 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
494 (mips_in_small_data_p): Tweak comments.
496 2006-10-08 Richard Sandiford <richard@codesourcery.com>
498 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
500 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
502 * gimplify.c, sched-int.h: Fix comment typos.
504 * sched-int.h: Fix comment typos.
506 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
508 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
510 * sched-ebb.c (begin_schedule_ready): Use them.
511 * haifa-sched.c (schedule_insn, move_insn, try_ready,
512 add_to_speculative_block, create_check_block_twin, speculate_insn,
513 fix_jump_move, move_block_after_check): Ditto.
514 * sched-rgn.c (new_ready): Ditto.
516 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
518 PR rtl-optimization/29128
519 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
520 * sched-ebb.c (advance_target_bb): Use it to fix condition to
521 allow interblock movement of speculation checks.
523 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
526 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
527 casted to integer type.
528 (get_address_cost): Decrease cost of [symbol + index] addressing modes
529 if they are significantly more expensive than [reg + index] ones.
531 2006-10-06 Jakub Jelinek <jakub@redhat.com>
533 PR tree-optimization/29330
534 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
535 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
536 on newly allocated ddrs.
537 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
538 to VEC (loop_p, heap) pointer.
539 (compute_data_dependences_for_loop): Adjust caller.
540 (free_dependence_relations): Free DDR_LOOP_NEST.
542 * tree-loop-linear.c (linear_transform_loops): Don't forget to
543 free DEPENDENCE_RELATIONS and DATAREFS.
546 * builtins.c (expand_builtin_sync_operation,
547 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
548 Use convert_to_mode to handle promoted arguments.
550 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
552 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
554 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
556 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
558 2006-10-05 Uros Bizjak <uros@kss-loka.si>
560 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
561 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
562 Use <modeconstraint> instead of "r" as operand 1 constraint.
564 2006-10-06 Olivier Hainque <hainque@adacore.com>
566 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
567 Don't recurse on the pointed-to type.
568 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
569 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
570 types with components of variable size.
572 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
574 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
576 2006-10-06 Jakub Jelinek <jakub@redhat.com>
578 PR tree-optimization/29290
579 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
583 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
584 * config/i386/predicates.md (local_symbolic_operand): Likewise.
587 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
588 the number of vector elements fill the rest with zeros.
590 2006-10-05 Richard Sandiford <richard@codesourcery.com>
592 * config/mips/mips.c (mips_pass_by_reference): Do not return false
593 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
596 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
598 * config/bfin/bfin.md (subsi3): Lose expander, change previously
599 unnamed pattern into subsi3. Use correct constraints/predicates.
600 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
601 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
603 2006-10-05 Ira Rosen <irar@il.ibm.com>
605 * doc/loop.texi: Add data references analysis description.
607 2006-10-04 Brooks Moses <bmoses@stanford.edu>
609 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
611 2006-10-04 Richard Henderson <rth@redhat.com>
612 Jakub Jelinek <jakub@redhat.com>
614 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
615 * builtin-types.def (BT_WORD): Make unsigned.
616 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
617 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
618 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
619 * c-decl.c (grokdeclarator): Don't error if !have_tls.
620 * c-parser.c (c_parser_omp_threadprivate): Likewise.
621 * cgraph.c (decide_is_variable_needed): Look at force_output.
622 Recurse for emulated tls.
623 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
624 checks redundant with decide_is_variable_needed.
625 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
626 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
628 * expr.c (emutls_var_address): New.
629 (expand_expr_real_1): Expand emulated tls.
630 (expand_expr_addr_expr_1): Likewise.
631 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
632 * output.h (emutls_finish): Declare.
633 * toplev.c (compile_file): Call it.
634 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
635 address before wrapping in CONST.
636 * varasm.c (emutls_htab, emutls_object_type): New.
637 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
638 (get_emutls_object_name, get_emutls_object_type): New.
639 (get_emutls_init_templ_addr, emutls_decl): New.
640 (emutls_common_1, emutls_finish): New.
641 (assemble_variable): When emulating tls, swap decls; generate
642 constructor for the emutls objects.
643 (do_assemble_alias): When emulating tls, swap decl and target name.
644 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
646 * emutls.c: New file.
647 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
648 tls_object for real tls.
650 2006-10-04 Zack Weinberg <zackw@panix.com>
652 Fix bug in constraint-check generator, reported by Rask Ingemann
654 * genpreds.c (add_constraint): Don't remove anything from the
656 (write_tm_constrs_h): Detect whether "op" argument is used, and
657 mark it ARG_UNUSED if it isn't.
658 (write_insn_const_int_ok_for_constraint): Skip the part of the
659 expression that would test whether "op" (which is not available
660 here) is a CONST_INT.
662 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
665 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
667 2006-10-03 Geoffrey Keating <geoffk@apple.com>
669 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
670 current Leopard versions.
671 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
673 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
675 * doc/install.texi: Fix typos.
677 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
679 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
680 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
681 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
683 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
685 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
686 arg to be struct mach_header_64* instead.
688 2006-10-02 Jakub Jelinek <jakub@redhat.com>
691 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
692 side effects after the outer expression's post side effects.
694 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
696 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
697 comments to reflect actual behavior and relationship between
698 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
700 * doc/c-tree.texi (Working with declarations): Fix documentation
701 of FIELD_DECL likewise.
703 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
706 * doc/extend.texi: Add used variable attribute description.
708 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
711 * c.opt (Woverride-init): New.
712 * c-opts.c (c_common_post_options): Default warn_override_init to
714 * c-typeck.c (add_pending_init, output_init_element): Warn for
715 overriding initializers without side effects.
716 * doc/invoke.texi (-Woverride-init): Document.
719 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
721 PR rtl-optimization/28096
722 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
723 assignment has already been used as a destination earlier in the block.
725 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
727 * builtins.c (expand_builtin_setjmp): Delete.
728 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
729 <BUILT_IN_SETJMP_SETUP>: New case.
730 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
731 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
732 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
733 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
734 (BUILT_IN_SETJMP_RECEIVER): Likewise.
735 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
736 (lower_function_body): Initialize it to false. If it is set to true
737 at the end of the processing, emit the setjmp dispatcher.
738 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
739 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
740 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
741 on the rhs of the assignment.
742 (lower_builtin_setjmp): New function.
743 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
744 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
745 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
746 to detect calls that can go to non-local labels. Use specific
747 helper to create the abnormal edges associated with them.
748 <MODIFY_EXPR>: Likewise.
749 (make_abnormal_goto_edges): New function extracted from...
750 (make_goto_expr_edges): ...here. Call it for computed gotos.
751 (simple_goto_p): Minor tweak.
752 (tree_can_make_abnormal_goto): New predicate.
753 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
754 (tree_purge_dead_abnormal_call_edges): New function.
755 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
756 (tree_purge_dead_abnormal_call_edges): Likewise.
757 (make_abnormal_goto_edges): Likewise.
758 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
759 Purge all dead abnormal edges if the call was in the last statement.
760 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
761 (execute_fixup_cfg): If there are non-local labels in the function,
762 scan the basic blocks and split them at calls that can go to non-local
763 labels or add missing abnormal call edges. Write down the CFG in the
765 (pass_fixup_cfg): Remove TODO_dump_func flag.
766 * unwind-sjlj.c: Poison setjmp.
767 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
768 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
769 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
770 (DONT_USE_BUILTIN_SETJMP): Document it.
772 2006-09-28 Geoffrey Keating <geoffk@apple.com>
775 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
776 to 1 when __ppc64__ is defined.
777 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
779 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
781 2006-09-28 Steve Ellcey <sje@cup.hp.com>
783 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
784 * config/ia64/unwind-hpux.c: Delete.
786 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
788 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
789 on the element before gimplifying it, instead of punting if it is of
792 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
794 * doc/loop.texi: New file.
795 * doc/gccint.texi: Reference loop.texi.
796 * Makefile.in (loop.texi): Add.
798 2006-09-27 Geoffrey Keating <geoffk@apple.com>
800 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
802 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
803 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
805 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
807 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
809 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
811 * doc/install.texi: Document required versions of GMP and MPFR.
813 2006-09-27 Paul Brook <paul@codesourcery.com>
816 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
818 2006-09-27 Richard Sandiford <richard@codesourcery.com>
820 * reload1.c (alter_reg): Require the alignment of the stack slot to
821 be at least reg_max_ref_width bytes.
822 (scan_paradoxical_subregs): Record the largest width in
825 2006-09-26 Jakub Jelinek <jakub@redhat.com>
829 * tree-nested.c (struct nesting_info): Added static_chain_added.
830 (convert_call_expr): Set static_chain_added when adding static
831 chain. Handle OMP_PARALLEL and OMP_SECTION.
833 2006-09-25 Matthias Klose <doko@debian.org>
835 * doc/invoke.texi: Add missing full stop.
837 2006-09-25 Richard Henderson <rth@redhat.com>
839 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
840 before cgraph_function_flags_ready.
842 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
843 Adam Nemet <anemet@caviumnetworks.com>
845 * tree-ssa-loop-ivopts.c (aff_combination_convert,
846 determine_common_wider_type): New functions.
847 (get_computation_aff): Use them to simplify arithmetic between
848 UBASE and CBASE if they are shortened from the same type.
850 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
853 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
854 -2147483647 - 1 instead of 0x80000000.
856 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
858 * flags.h (HONOR_NANS): Fix typo in comment.
860 2006-09-23 Uros Bizjak <uros@kss-loka.si>
862 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
864 2006-09-23 Jakub Jelinek <jakub@redhat.com>
868 * tree.c (merge_attributes, attribute_list_contained): If both
869 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
871 * c-typeck.c (comptypes_internal): Don't consider aggregates
872 in different TUs as compatible if there one set of attributes is
873 not a subset of the other type's attributes.
874 (composite_type): Try harder not to create a new aggregate type.
876 2006-09-22 Geoffrey Keating <geoffk@apple.com>
878 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
879 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
880 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
881 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
882 than replicating condition above.
883 * config.host (i[34567]86-*-*): Always use driver-i386.o.
885 * config/darwin.h (LINK_SYSROOT_SPEC): New.
886 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
887 the linker by default.
889 2006-09-22 Mike Stump <mrs@apple.com>
891 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
894 2006-09-22 Richard Guenther <rguenther@suse.de>
897 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
898 sort of stack variables stable.
900 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
903 * explow.c (force_reg): Set REG_POINTER flag according to
906 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
908 PR tree-optimization/28888
909 * tree-if-conv.c (combine_blocks): Rewritten.
910 * tree-cfg.c (tree_verify_flow_info): Check that edges with
911 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
913 2006-09-22 Jakub Jelinek <jakub@redhat.com>
915 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
918 2006-09-21 Richard Sandiford <richard@codesourcery.com>
920 * varasm.c (copy_constant): Fix reversed gcc_assert check.
922 2006-09-21 Janis Johnson <janis187@us.ibm.com>
924 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
926 2006-09-21 Roger Sayle <roger@eyesopen.com>
929 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
930 dw_fde_current_label, to be the start of the function, i.e. the same
931 value as dw_fde_begin.
933 2006-09-20 Richard Sandiford <richard@codesourcery.com>
935 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
936 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
937 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
938 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
939 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
940 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
941 (abs<mode>2, neg<mode>2): Likewise.
942 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
943 (*mips_abs_ps): New define_insn.
945 2006-09-20 Josh Conner <jconner@apple.com>
948 * calls.c (expand_call): Allow reuse of structure return stack
951 2006-09-20 Paul Brook <paul@codesourcery.com>
953 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
956 2006-09-20 Janis Johnson <janis187@us.ibm.com>
958 * doc/extend.texi (Decimal Float): Update for latest draft TR,
959 clean up terminology.
961 2006-09-20 Steve Ellcey <sje@cup.hp.com>
964 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
965 with tablejumps in them.
967 2006-09-20 Jakub Jelinek <jakub@redhat.com>
970 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
971 wrap it into TARGET_EXPR.
973 2006-09-20 Eric Christopher <echristo@apple.com>
975 * config/i386/i386.c (x86_fisttp): Remove.
976 * config/i386/i386.h (x86_fisttp): Ditto.
977 (TARGET_FISTTP): Ditto.
979 2006-09-19 Eric Christopher <echristo@apple.com>
981 * doc/tm.texi (OBJC_JBLEN): Describe.
982 * config/i386/darwin.h (OBJC_JBLEN): Define.
983 * config/rs6000/darwin.h: Ditto.
985 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
987 PR rtl-optimization/21299
988 * reload1.c (reload): Purge invalid ASMs in the final pass.
990 2006-09-19 Steve Ellcey <sje@cup.hp.com>
993 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
994 pointers as legitimate constants.
996 2006-09-19 Paul Brook <paul@codesourcery.com>
999 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1001 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1003 PR tree-optimization/28887
1004 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1005 component parts from the reference.
1006 (gather_memory_references_ref): Record the reference without the
1007 nonaddressable component parts.
1009 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1012 * c-opts.c (c_common_handle_option): Ignore the -std options
1013 if the input language is assembly.
1015 2006-09-17 Ira Rosen <irar@il.ibm.com>
1018 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1020 (ptr_ptr_may_alias_p): Likewise.
1021 (record_record_differ_p): New function.
1022 (base_object_differ_p): Call record_record_differ_p.
1024 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1027 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1028 away for the expr argument.
1030 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1033 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1034 before using it for dumping after vectorizing loops.
1036 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1037 Jack Howarth <howarth@bromo.med.uc.edu>
1040 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1041 skip on error_mark_node.
1042 (rs6000_darwin64_record_arg_recurse): Likewise.
1044 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1046 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1047 * doc/rtl.texi: Remove related documentation.
1049 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1051 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1054 2006-09-15 Jim Wilson <wilson@specifix.com>
1056 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1057 Handle symbol offsets same as they are handled in ia64_expand_move
1060 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1062 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1063 Add forgotten parameter to the fprintf call.
1065 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1067 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1069 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1071 * doc/contrib.texi: Add my entry.
1073 2006-09-15 Nick Clifton <nickc@redhat.com>
1075 * doc/md.texi (Processor pipeline description): Fix typo in
1076 example of how to use the absence_set directive and reword the
1077 description to make it slightly easier to read.
1079 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1081 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1082 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1083 expanding the number of iterations.
1084 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1086 * cfgrtl.c (emit_insn_at_entry): New function.
1087 * rtl.h (emit_insn_at_entry): Declare it.
1088 * integrate.c (emit_initial_value_sets): Use it.
1090 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1092 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1094 (struct loop_work and related VEC declarations): Delete.
1095 (bfin_dump_loops): Print out new member bad.
1096 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1097 (bfin_scan_loop): Don't recurse.
1098 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1099 loops. No longer need to update outer loops if the current one is
1100 found bad. Move some validitiy checks to bfin_discover_loop.
1101 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1102 but changed not to check for nesting. Also changed to use the new bad
1104 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1105 time. Use bitmap based test to discover loop nesting.
1107 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1109 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1112 2006-09-14 Richard Guenther <rguenther@suse.de>
1113 Kazu Hirata <kazu@codesourcery.com>
1115 PR middle-end/28884.
1116 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1117 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1118 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1119 with TARGET_FUNCTION_VALUE.
1121 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1124 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1126 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1128 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1131 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1134 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1137 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1139 * basic_block.h (bb_has_eh_pred): Fix comment.
1141 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1143 * flow.c (calculate_global_regs_live): Invalidate eh registers
1144 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1145 (propagate_block): Handle eh registers as if they were set at basic
1147 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1149 * global.c (global_conflicts): Make eh registers to conflict with
1150 pseudos live at basic block begin.
1151 * basic_block.h (bb_has_eh_pred): New function.
1153 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1155 PR rtl-optimization/28982
1156 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1157 index of a PRE_MODIFY or POST_MODIFY address.
1158 * reload1.c (inc_for_reload): Use find_replacement on the original
1159 base and index registers.
1161 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1163 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1164 for -Os. Update __m128 alignment requirement.
1166 2006-09-13 Jan Hubicka <jh@suse.cz>
1168 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1170 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1172 PR rtl-optimization/28243
1173 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1174 the insn to which the note was originally attached.
1176 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1177 Roger Sayle <roger@eyesopen.com>
1179 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1180 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1181 on platforms that don't use dwarf for debug info.
1183 2006-09-12 Jason Merrill <jason@redhat.com>
1186 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1187 hard_frame_pointer_rtx after using it to update the frame pointer.
1189 2006-09-12 Roger Sayle <roger@eyesopen.com>
1191 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1192 (TARGET_ASM_CLOSE_PAREN): Likewise.
1193 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1194 (TARGET_ASM_CLOSE_PAREN): Likewise.
1196 2006-09-12 Roger Sayle <roger@eyesopen.com>
1199 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1200 frame information for frames larger than 512 Kbytes on Tru64 when
1201 using the native assembler.
1203 2006-09-12 Roger Sayle <roger@eyesopen.com>
1207 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1208 and symbols. Instead use the implementation from cse.c's hash_rtx.
1210 2006-09-12 Jan Hubicka <jh@suse.cz>
1212 PR rtl-optimization/28071
1213 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1214 (vect_transform_loop): Likewise.
1215 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1216 (new_loop_vec_info): Likewise.
1217 (destroy_loop_vec_info): Likewise.
1218 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1219 (create_stmt_ann): Likewise.
1220 (create_tree_ann): Rename to ...
1221 (create_tree_common_ann): ... this one; allocate only the common part
1223 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1224 (get_value_handle): Likewise.
1225 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1226 get_tree_common_ann.
1227 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1228 (vinfo_for_stmt): Use stmt annotations.
1229 * tree-flow.h (tree_ann_common_t): New type.
1230 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1231 (tree_ann, get_tree_ann, create_tree_ann): New.
1232 * tree-flow-inline.h (get_function_ann): Do more type checking.
1233 (stmt_ann): Likewise.
1234 (tree_ann): Rename to ...
1235 (tree_common_ann): ... this one; return ony common_ann
1236 (get_tree_ann): Rename to ...
1237 (tree_common_ann): This one; return only common_ann.
1238 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1241 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1243 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1244 with_cpu by default.
1246 * dwarf2out.c (dwarf_file_data): New.
1247 (enum dw_val_class): Add dw_val_class_file.
1248 (struct dw_val_struct): Add val_file.
1249 (file_table): Change to a hash table.
1250 (file_table_emitted): Delete.
1251 (file_table_last_lookup_index): Delete.
1252 (emitcount): Delete.
1253 (last_emitted_file): New.
1254 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1255 (init_file_table): Delete.
1256 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1257 (AT_addr): Add comment.
1261 (print_die): Handle dw_val_class_file.
1262 (print_dwarf_line_table): Update for new file table structure.
1263 (attr_checksum): Do checksum a filename.
1264 (same_dw_val_p, same_attr_p): Do compare a filename.
1265 (size_of_die): Handle dw_val_class_file.
1266 (value_format): Likewise.
1267 (output_die): Likewise. Also, call maybe_emit_file here.
1268 (struct file_info): Constify filenames. Make file_idx a pointer
1269 to a struct dwarf_file_data.
1270 (struct dir_info): Constify directory names. Remove 'used' field.
1271 (struct file_name_acquire_data): New.
1272 (file_name_acquire): New.
1273 (output_file_names): Modify to handle new file data structures.
1274 (add_src_coords_attributes): Use add_AT_file.
1275 (add_call_src_coords_attributes): Likewise.
1276 (dwarf2out_imported_module_or_decl): Likewise.
1277 (gen_subprogram_die): Modify for new file data structures.
1278 (gen_variable_die): Likewise.
1279 (file_table_eq): New.
1280 (file_table_hash): New.
1281 (file_table_last_lookup): New.
1282 (lookup_filename): Rewrite to handle new file data structures.
1283 (maybe_emit_file): Rewrite to handle new file data structures.
1284 (dwarf2out_source_line): Always call lookup_filename and
1286 (dwarf2out_init): Create file_table here.
1287 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1288 (file_table_relative_p): New.
1289 (dwarf2out_finish): Change detection of relative filenames
1290 to work with new file data structures. Move output_line_info call
1291 after debug_info output.
1293 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1298 * config/i386/i386.c (override_options): Always default to 16
1299 byte stack boundary.
1301 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1304 * var-tracking.c (dump_dataflow_set): Start dumping at
1306 (clobber_variable_part): Kill only the variable part in
1307 registers holding it, leaving other variables alone.
1309 2006-09-11 Josh Triplett <josh@freedesktop.org>
1311 * doc/extend.texi (Other Builtins): Actually use the macro
1312 argument in the documentation example for
1313 __builtin_types_compatible_p.
1315 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1317 PR rtl-optimization/28726
1318 * sched-deps.c (sched_analyze_reg): New function extracted from...
1319 (sched_analyze_1): ...here. Call it to analyze references to
1320 registers. Treat again writes to a stack register as writing to the
1322 (sched_analyze_2): ...and here. Call it to analyze references to
1323 registers. Treat again reads of a stack register as reading the
1326 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1327 David Edelsohn <edelsohn@gnu.org>
1330 * config/rs6000/spe.md (frob_df_di): Remove %H.
1331 (frob_di_df): Remove %H. Change evmergelo to mr.
1332 (frob_di_df_2): Remove %H. Change evldd to two loads.
1334 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1336 * doc/cpp.texi: Fix names of charset options.
1338 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1341 * config/i386/i386.c (override_options): Use 128-bit
1342 stack boundary always for 64bits.
1344 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1346 PR rtl-optimization/28636
1347 * combine.c (force_to_mode): Test for side-effects before
1348 substituting by zero.
1349 (simplify_shift_const): Likewise for zero or other constants.
1351 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1354 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1357 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1360 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1361 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1362 returned by mode_for_size, rather than the mode of src itself,
1363 to choose between 32-bit and 64-bit patterns.
1364 (mips_mem_fits_mode_p): New function.
1365 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1366 that the size of the source matches the size of the destination.
1367 (mov_<store>l, mov_<store>r): Likewise.
1369 2006-09-10 Eric Christopher <echristo@apple.com>
1371 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1374 2006-09-09 Eric Christopher <echristo@apple.com>
1377 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1380 2006-09-09 Roger Sayle <roger@eyesopen.com>
1381 Nicolas Setton <setton@adacore.com>
1383 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1385 2006-09-10 Andreas Schwab <schwab@suse.de>
1387 * config/m68k/m68k.md (bungt_rev): New pattern.
1389 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1390 Dale Johannesen <dalej@apple.com>
1393 * regclass.c (struct reg_pref): Update documentation.
1394 (regclass): Set prefclass to NO_REGS if memory is the best option.
1395 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1397 2006-09-08 Eric Christopher <echristo@apple.com>
1399 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1400 * config/t-slibgcc-darwin: Support x86_64 multilib.
1401 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1402 Return 1 for x86_64-darwin.
1403 * config/i386/t-darwin: Add m64 multilib.
1404 (LIB2_SIDITI_CONV_FUNCS): Use.
1405 (LIB2FUNCS_EXTRA): Ditto.
1406 * config/i386/darwin.h: Support x86_64.
1407 * config/i386/i386.c (override_options): Turn on flag_pic
1408 for x86_64-darwin. Disable flag_omit_pointer.
1409 (get_pc_thunk_name): Assert !TARGET_64BIT.
1410 (legitimate_address_p): Disable machopic addressing for
1412 (legitimize_pic_address): Ditto.
1413 (ix86_expand_move): Ditto.
1414 (ix86_expand_call): Ditto.
1415 (machopic_output_stub): Ditto.
1416 * config/darwin.c (machopic_select_section): Support literal16.
1417 (machopic_select_rtx_section): Ditto.
1418 * config/darwin-sections.def: Ditto.
1419 * config/darwin-64.c: New.
1421 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1424 * c-tree.h (struct c_arg_info): Add pending_sizes.
1425 * c-parser.c (c_parser_parms_declarator,
1426 c_parser_parms_list_declarator): Initialize pending_sizes.
1427 * c-decl.c (get_parm_info): Initialize pending_sizes.
1428 (get_parm_info): Set pending_sizes.
1429 (grokdeclarator): Call put_pending_sizes for parameters for
1430 function definition only.
1432 2006-09-07 Jason Merrill <jason@redhat.com>
1435 * varasm.c (output_constant): Only strip actual no-op conversions.
1438 * config/i386/i386.c (override_options): Use 128-bit
1439 stack boundary if -msse.
1441 2006-09-07 Eric Christopher <echristo@apple.com>
1443 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1445 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1448 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1450 * dwarf2out.c: Remove strange characters from comment above
1451 dwarf2out_frame_debug_expr.
1453 2006-09-07 Eric Christopher <echristo@apple.com>
1455 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1456 * config/darwin.h: ... to here.
1458 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1460 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1462 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1463 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1465 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1466 TARGET_PARTIAL_FLAG_REG_STALL.
1467 (*ashldi3_cconly_rex64): Likewise.
1468 (*ashlsi3_cmp): Likewise.
1469 (*ashlsi3_cconly): Likewise.
1470 (*ashlsi3_cmp_zext): Likewise.
1471 (*ashlhi3_cmp): Likewise.
1472 (*ashlhi3_cconly): Likewise.
1473 (*ashlqi3_cmp): Likewise.
1474 (*ashlqi3_cconly): Likewise.
1475 (*ashrdi3_cmp_rex64): Likewise.
1476 (*ashrdi3_cconly_rex64): Likewise.
1477 (*ashrsi3_cmp): Likewise.
1478 (*ashrsi3_cconly): Likewise.
1479 (*ashrsi3_cmp_zext): Likewise.
1480 (*ashrhi3_cmp): Likewise.
1481 (*ashrhi3_cconly): Likewise.
1482 (*ashrqi3_cmp): Likewise.
1483 (*ashrqi3_cconly): Likewise.
1484 (*lshrdi3_cmp_rex64): Likewise.
1485 (*lshrdi3_cconly_rex64): Likewise.
1486 (*lshrsi3_cmp): Likewise.
1487 (*lshrsi3_cconly): Likewise.
1488 (*lshrsi3_cmp_zext): Likewise.
1489 (*lshrhi3_cmp): Likewise.
1490 (*lshrhi3_cconly): Likewise.
1491 (*lshrqi2_cmp): Likewise.
1492 (*lshrqi2_cconly): Likewise.
1494 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1497 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1498 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1499 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1500 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1501 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1502 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1503 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1504 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1505 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1506 implement only CC setting effects of shift instructions.
1508 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1510 * doc/contrib.texi: Add myself.
1512 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1515 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1516 was set by the user.
1518 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1521 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1522 (divsi_inv_m1): Use them.
1523 (UNSPEC_DIV_INV_TABLE): New constant.
1525 2006-09-06 James E Wilson <wilson@specifix.com>
1528 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1529 then call count_or_remove_death_notes.
1531 2006-09-06 Jason Merrill <jason@redhat.com>
1534 * tree-inline.c (copy_result_decl_to_var): New fn.
1535 (declare_return_variable): Use it. Call declare_inline_vars here.
1536 (expand_call_inline): Not here.
1538 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1540 * doc/contrib.texi: Update my entry.
1542 2006-09-06 Nick Clifton <nickc@redhat.com>
1544 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1546 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1549 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1550 (canonicalize_induction_variables): Likewise.
1551 (tree_unroll_loops_completely): Likewise.
1552 (tree_ssa_prefetch_arrays): Likewise.
1553 (remove_empty_loops): Likewise.
1554 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1555 TODO_cleanup_cfg instead of directly calling
1556 cleanup_tree_cfg_loop.
1557 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1559 (tree_unroll_loops_completely): Likewise.
1560 (remove_empty_loops): Likewise.
1561 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1562 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1563 of tree_ssa_unswitch_loops.
1564 (tree_ssa_loop_ivcanon): Use the return value of
1565 canonicalize_induction_variables.
1566 (tree_ssa_empty_loop): Use the return value of
1568 (tree_complete_unroll): Use the return value of
1569 tree_unroll_loops_completely.
1570 (tree_ssa_loop_prefetch): Use the return value of
1571 tree_ssa_prefetch_arrays.
1572 * passes.c (execute_todo): Before Cleanup CFG, set
1573 updating_used_alone and after cleanup CFG, call
1574 recalculate_used_alone.
1576 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1579 * tree-vect-transform.c (vectorizable_condition): Move the check
1580 for the type after the check for simple condition.
1582 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1583 Kaz Kojima <kkojima@gcc.gnu.org>
1586 * mode-switching.c (optimize_mode_switching): Make the destination
1587 block of an abnormal edge have no anticipatable mode. Don't
1588 insert mode switching code at the end of the source block of
1591 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1593 PR rtl-optimization/26847
1594 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1595 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1596 (simplify_plus_minus): Count n_constants while filling ops. Replace
1597 qsort with insertion sort. Before going through the array to simplify
1598 pairs, sort it. Delay early exit until after the first sort, exiting
1599 only if no swaps occurred. Simplify pairs in reversed order, without
1600 special-casing the first iteration. Pack ops after simplifying pairs.
1602 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1604 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1605 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1606 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1607 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1609 2006-09-05 Richard Guenther <rguenther@suse.de>
1611 PR tree-optimization/28900
1612 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1613 compound conditional before creating COND_EXPR condition.
1615 2006-09-05 Richard Guenther <rguenther@suse.de>
1617 PR tree-optimization/28905
1618 * tree-vrp.c (fix_equivalence_set): Manually implement
1619 !value_ranges_intersect_p to also handle symbolic ranges.
1621 2006-09-05 Richard Guenther <rguenther@suse.de>
1624 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1627 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1629 PR rtl-optimization/27616
1630 * cse.c (table_size): New static variable.
1631 (new_basic_block): Initialize it to 0.
1632 (remove_from_table): Decrement it.
1633 (insert): Increment it.
1634 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1635 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1636 fold_rtx_mem_1 if under the cap.
1637 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1638 the lookup of the equivalent expression and test for equality of the
1639 first operand of the equivalent expression before in turn looking up
1640 an equivalent constant for the second operand.
1642 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1645 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1646 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1647 pointer, instead of assuming it is possible to derive the
1648 correct args size from a call insn.
1650 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1653 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1654 (fold_builtin_mempcpy): Rename to...
1655 (fold_builtin_memory_op): ... this. Optimize one element copy
1657 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1659 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1660 (expand_builtin_memcpy, expand_builtin_mempcpy,
1661 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1662 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1663 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1664 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1666 2006-09-01 DJ Delorie <dj@redhat.com>
1668 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1669 (stzx_16): Likewise.
1670 ("stzx_24_<mode>"): Likewise.
1671 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1672 ("cmp<mode>_op"): New.
1673 (cmp<mode>): Change to expander; just save operands.
1675 (b<code>): Change to expander, emit compare here.
1676 (s<code>_op): Change to use split and expander.
1677 (s<code>_24_op): Likewise.
1678 (s<code>_<mode>): New.
1679 (s<code>_<mode>_24): New.
1680 (movqicc_<code>_<mode): New.
1681 (movhicc_<code>_<mode>): New.
1684 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1685 (m32c_pend_compare): New.
1686 (m32c_unpend_compare): New.
1687 (m32c_expand_scc): New.
1688 (m32c_expand_movcc): Emit the compare also.
1689 * config/m32c/predicates.md (mra_nopp_operand): New.
1691 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1692 Richard Guenther <rguenther@suse.de>
1693 Adam Nemet <anemet@caviumnetworks.com>
1696 * builtins.c (get_pointer_alignment): Handle more forms
1697 of base addresses that can be used to derive more precise
1698 information about alignment.
1700 2006-09-01 Jason Merrill <jason@redhat.com>
1703 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1706 * gimplify.c (voidify_wrapper_expr): Handle null type.
1708 2006-09-01 Josh Conner <jconner@apple.com>
1711 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1712 (execute_return_slot_opt): Use it.
1714 2006-08-31 Josh Conner <jconner@apple.com>
1717 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1718 returning aggregates.
1720 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1722 PR tree-optimization/28839
1723 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1724 blocks in that phi arguments appear.
1726 2006-08-31 Roger Sayle <roger@eyesopen.com>
1729 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1730 NULL, otherwise use an advance_loc4 to adjust relative to the
1732 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1733 (dwarf2out_switch_text_section): Reset the current label to avoid
1734 using advance_loc4 over section boundaries.
1736 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1739 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1740 r12 + SYMBOLIC_CONST.
1742 2006-08-30 Richard Guenther <rguenther@suse.de>
1744 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1746 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1748 PR rtl-optimization/27735
1749 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1750 Add new argument to keep track of whether an irreducible region
1751 was affected. All callers changed.
1752 (fix_irreducible_loops): Removed.
1753 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1754 flags were invalidated.
1756 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1758 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1759 instead of SF operands.
1760 (*fop_df_comm_sse): Likewise.
1761 (*fop_df_comm_i387): Likewise.
1762 (*fop_df_1_mixed): Likewise.
1763 (*fop_df_1_sse): Likewise.
1765 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1766 J"orn Rennecke <joern.rennecke@st.com>
1768 PR tree-optimization/17506
1769 * tree-ssa.c (warn_uninit): If warning about a location outside of
1770 the current function, note where the variable was declared.
1772 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1774 PR tree-optimization/28411
1775 * double-int.c (double_int_div): Use double_int_divmod.
1776 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1777 double_int_mod, double_int_smod, double_int_umod): New functions.
1778 * double-int.h (double_int_divmod, double_int_sdivmod,
1779 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1781 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1783 (get_computation_aff, get_computation_cost_at): Handle double_int
1784 return type of constant_multiple_of.
1786 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1789 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1790 an implicit conversion.
1792 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1794 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1796 2006-08-27 Roger Sayle <roger@eyesopen.com>
1798 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1801 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1803 * config/i386/crtfastmath.c: Fix a comment typo.
1805 2006-08-26 Roger Sayle <roger@eyesopen.com>
1807 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1808 temporary visit flags on CASE_LABEL_EXPRs.
1809 * c-common.c (match_case_to_enum): Add function comment. Avoid
1810 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1811 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1812 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1813 a constant, only warn if that constant value isn't handled.
1815 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1818 * input.h (restore_input_file_stack): Declare.
1819 (INPUT_FILE_STACK_BITS): Define.
1820 * toplev.c (fs_p, input_file_stack_history,
1821 input_file_stack_restored, restore_input_file_stack): New.
1822 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1823 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1824 (pop_srcloc): Don't free old state of stack.
1826 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1829 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1830 (PowerPC Type Attributes): New.
1832 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1834 * config/xtensa/xtensa.c (function_arg_boundary): New.
1835 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1837 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1838 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1840 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1843 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1846 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1848 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1849 (verify_local_live_at_start): Likewise.
1851 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1854 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1855 omp_add_variable): Treat sizes as variable whenever not
1858 2006-08-26 Richard Guenther <rguenther@suse.de>
1861 * fold-const.c (fold_binary): Fold temporary to correct
1862 type before constructing new comparison.
1864 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1867 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1868 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1870 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1873 * c-decl.c (start_function): Don't try to process prototype
1874 information from old declaration that isn't a function.
1876 2006-08-25 Jan Hubicka <jh@suse.cz>
1879 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1881 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1884 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1887 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1889 PR tree-optimization/16876
1890 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1891 exit if PARM doesn't match VALUE.
1893 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1895 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1896 literal_prefix directive.
1897 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1898 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1899 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1901 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1904 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1905 predicate to general_operand. Add 0->y and I->r alternatives.
1907 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1909 * doc/tm.texi: Fix a typo.
1910 * predict.c: Fix comment typos.
1912 2006-08-25 Nick Clifton <nickc@redhat.com>
1914 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1915 assertions of "cpu" and "machine".
1917 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1920 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1921 the access through a base which has an alias set of 0 cannot
1924 2006-08-24 Bill Wendling <wendling@apple.com>
1926 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1928 2006-08-24 Jan Hubicka <jh@suse.cz>
1930 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1932 2006-08-24 Jan Hubicka <jh@suse.cz>
1935 * cgraph.c: Fix comments.
1936 (cgraph_varpool_mark_needed_node): Mark only variables not already
1938 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1939 (cgraph_varpool_assembled_nodes_queue): New static variable.
1940 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1941 (cgraph_varpool_output_debug_info): New function.
1942 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1943 * Makefile.in: Add gt-cgraphunit.h
1945 2006-08-24 Jan Hubicka <jh@suse.cz>
1947 * predict.c (probability_reliable_p): New predicate.
1948 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1949 (predict_loops): Do not predict loop exit with less than 2%
1951 * basic-block.h (edge_probability_reliable_p,
1952 br_prob_note_reliable_p): Declare.
1953 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1954 prediction when static predictor is not reliable.
1955 * rs6000.c (output_cbranch): Likewise.
1957 2006-08-23 Stuart Hastings <stuart@apple.com>
1960 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1961 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1963 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1966 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1967 complex values, nor for generic vector values.
1969 2006-08-22 Richard Guenther <rguenther@suse.de>
1972 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1973 parameter. Convert arguments to arithmetic expression to the
1975 (analyze_scalar_evolution_1): Adjust caller.
1977 2006-08-22 Jan Hubicka <jh@suse.cz>
1979 Patch by Paolo Bonzini
1980 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1983 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1985 PR tree-optimization/28003
1986 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1987 before grouping aliases.
1989 2006-08-22 Roger Sayle <roger@eyesopen.com>
1991 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1992 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1994 2006-08-21 Jason Merrill <jason@redhat.com>
1997 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1998 wrapper. Loop to handle nested wrappers.
1999 (gimplify_bind_expr): Remove temp parameter.
2000 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2001 and STATEMENT_LIST on the rhs.
2002 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2003 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2004 (gimplify_target_expr): Remove special BIND_EXPR handling.
2006 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2008 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2011 2006-08-21 Olivier Hainque <hainque@adacore.com>
2013 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2014 Arrange for the temporary captures of components overlapping the lhs
2015 to happen before the lhs is possibly cleared.
2017 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2019 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2020 necessary places to pass the correct "number of registers" values
2023 2006-08-20 Jan Hubicka <jh@suse.cz>
2025 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2026 (create_name_tags): Instead of quadratic checking use hashtable.
2027 * bitmap.h: Include hashtab.h.
2028 (bitmap_hash): Declare.
2029 * bitmap.c (bitmap_hash): New function.
2031 2006-08-20 Jan Hubicka <jh@suse.cz>
2033 PR rtl-optimization/28071
2034 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2036 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2037 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2038 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2039 cgraph_decide_inlining_incrementally): Update use of
2040 cgraph_check_inline_limits.
2041 * cgraph.c (edge_hash, edge_eq): New function.
2042 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2043 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2044 cgraph_remove_node): Maintain call site hash.
2045 * cgraph.h (struct cgraph_node): Add call_site_hash.
2046 (cgraph_set_call_stmt): New function.
2048 2006-08-20 Jan Hubicka <jh@suse.cz>
2050 PR rtl-optimization/28071
2051 * reload1.c (reg_has_output_reload): Turn into regset.
2052 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2053 choose_reload_regs, emit_reload_insns): Update to new
2054 reg_has_output_reload.
2056 2006-08-20 Jan Hubicka <jh@suse.cz>
2059 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2060 function body sizes.
2061 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2063 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2066 * tree.c (handle_dll_attribute): Return early if not a
2067 var or function decl.
2069 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2072 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2073 alignment of SPE vector types.
2075 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2077 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2079 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2082 * cgraph.h (struct cgraph_node): Remove externally_visible
2084 * cgraphunit.c (process_function_and_variable_attributes): Set
2085 local.externally_visible rather than externally_visible.
2088 * c-common.c (handle_externally_visible_attribute): First look
2089 at TREE_CODE and only if it is function or var decl, check for
2090 non-public objects. Don't warn for DECL_EXTERNAL.
2091 * cgraphunit.c (process_function_and_variable_attributes): Warn
2092 if externally_visible attribute is used on non-public object.
2094 2006-08-17 Jan Hubicka <jh@suse.cz>
2096 PR tree-optimization/27865
2097 * reload1.c (forget_marked_reloads): New function.
2098 (forget_old_reloads_1): When data are passed, just mark the registers
2100 (reload_as_needed): Use the new mechanizm.
2102 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2105 * reload.h (reg_equiv_alt_mem_list): New declaration.
2106 * reload1.c (reg_equiv_alt_mem_list): New definition.
2107 (reload): Initialize it and release it.
2108 (delete_output_reload): Use it.
2109 * reload.c (push_reg_equiv_alt_mem): New function.
2110 (find_reloads_toplev): Call it.
2111 (find_reloads_address, find_reloads_address_1): Likewise.
2112 (find_reloads_subreg_address): Likewise.
2114 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2116 PR rtl-optimization/28489
2117 * sched-ebb.c (begin_schedule_ready): Create basic block
2119 (advance_target_bb): Skip empty blocks.
2120 * haifa-sched.c (bb_note): Make global.
2121 * sched-int.h (bb_note): Add prototype.
2123 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2125 PR tree-optimization/27865
2126 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2128 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2129 fold_used_pointer, pointer_used_p): New functions.
2130 (analyze_scalar_evolution_1): Use fold_used_pointer.
2131 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2132 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2135 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2138 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2139 or the INTEGER_CST. Fail on a CALL_EXPR.
2140 (fold_offsetof): Pass new argument to fold_offsetof_1.
2141 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2142 operand into an INDIRECT_REF.
2143 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2145 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2147 PR gcov/profile/26570
2148 * value-prof.c (static_values): Removed.
2149 (tree_find_values_to_profile): Do not set static_values.
2150 (find_values_to_profile): Do not free static_values.
2151 * profile.c (instrument_values): Do not free the values.
2152 (branch_prob): Free the values.
2154 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2156 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2158 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2161 * c-typeck.c (build_component_ref): Combine qualifiers of
2162 structure or union and field.
2164 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2166 PR rtl-optimization/28071
2167 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2168 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2169 * tree-into-ssa.c (struct dom_dfsnum): New.
2170 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2172 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2173 compute_global_livein.
2174 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2175 in phi nodes in the correct blocks.
2177 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2179 PR tree-optimization/28364
2180 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2182 (fold_affine_expr): New function.
2183 (may_eliminate_iv): Use fold_affine_expr.
2185 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2188 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2191 2006-08-16 Mike Stump <mrs@apple.com>
2193 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2194 * doc/cppopts.texi (-MD): Likewise.
2196 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2199 * c-common.c (handle_weak_attribute): Ignore and warn if
2200 not a FUNCTION_ or VAR_DECL.
2202 2006-07-15 Mike Stump <mrs@apple.com>
2205 * c-parser.c (c_parser_typeof_specifier): Don't use
2206 c_finish_expr_stmt, open code desired semantics instead.
2208 2006-08-15 Nick Clifton <nickc@redhat.com>
2210 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2211 fragment to tmake_file only if threads are enabled.
2212 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2213 * config/i386/t-gthr-win32: New file. ... here.
2215 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2218 * c-parser.c (c_parser_compound_statement_nostart): Reset
2219 parser->error after each statement.
2221 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2224 * omp-low.c (lower_omp_parallel): Convert t to
2225 receiver_decl's type.
2226 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2227 source before comparison.
2230 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2231 to itype in assignment to oldival2.
2233 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2237 * c-typeck.c (build_compound_expr): If the second expression
2238 is an error mark, then just return an error mark instead of
2239 creating a COMPOUND_EXPR.
2241 2006-07-14 Mike Stump <mrs@apple.com>
2243 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2245 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2247 * c-decl.c, var-tracking.c: Fix comment typos.
2249 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2251 PR rtl-optimization/28634
2252 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2253 for floating-point modes unless flag_unsafe_math_optimizations.
2255 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2256 Andrew Pinski <pinskia@physics.uc.edu>
2259 * tree.c (build_array_type): Unify array types with
2260 unspecified index_type.
2261 * c-decl.c (grokdeclarator): Make sure we do not modify a
2262 unified incomplete array type.
2263 * c-typeck.c (store_init_value): Create distinct type before
2264 filling in the index type in an initializer from a compound
2267 * c-decl.c (grokdeclarator): Remove code where we copy the
2270 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2272 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2273 into account for TODO_dump_cgraph.
2274 (TODO_update_ssa_no_phi): Likewise.
2275 (TODO_update_ssa_full_phi): Likewise.
2276 (TODO_update_ssa_only_virtuals): Likewise.
2277 (TODO_remove_unused_locals): Likewise.
2278 (TODO_set_props): Likewise.
2279 (TODO_update_stmt_usage): Likewise.
2281 2006-08-13 Dirk Mueller <dmueller@suse.de>
2283 * c-common.c (strict_aliasing_warning): Fix formatting.
2285 2006-08-13 Matthias Klose <doko@debian.org>
2287 * doc/invoke.texi: Fix spelling errors.
2289 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2291 PR rtl-optimization/23454
2292 * reorg.c (relax_delay_slots): Update comment.
2294 2006-08-11 Richard Guenther <rguenther@suse.de>
2297 * simplify-rtx.c (simplify_const_relational_operation):
2298 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2301 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2303 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2304 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2306 2006-08-10 Paul Brook <paul@codesourcery.com>
2308 * final.c (final_scan_insn): Clear current_insn_predicate before
2309 outputting inline asm.
2311 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2313 PR tree-optimization/26197
2314 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2315 get_ref_base_and_extent and overlap_subvar to add only relevant
2316 subvars as may-aliases.
2317 (add_may_alias_for_new_tag): New function, factored out of
2319 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2320 with additional argument.
2321 * tree-flow.h (new_type_alias): Takes additional argument.
2323 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2325 * gcov.c (no_data_file): New flag.
2326 (read_count_file): Set it if data file not present. Assume counts
2328 (output_lines): Don't name the data file, if there wasn't one.
2330 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2332 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2333 (rs6000_generate_compare): Tweak comments.
2334 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2336 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2338 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2339 (var_debug_decl): New function.
2340 (var_reg_set): Follow debug decl link. Add location even if
2341 reg is already known to hold some other variable.
2342 (var_mem_set): Follow debug decl link.
2343 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2344 decl link. Delete other known locations of the variable part
2346 (var_reg_delete, var_mem_delete): Delete other known locations
2347 of the variable part if requested.
2348 (same_variable_part_p): New function.
2349 (add_stores): Select MO_COPY when appropriate.
2350 (vt_initialize): Handle it.
2351 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2352 known locations for MO_SET and MO_CLOBBER.
2353 (find_variable_location_part): New function.
2354 (set_variable_part, delete_variable_part): Use it.
2355 (clobber_variable_part): New function.
2356 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2359 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2361 PR tree-optimization/26969
2362 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2363 with an empty list of PHIs.
2365 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2369 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2372 2006-08-06 Andreas Schwab <schwab@suse.de>
2374 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2375 string. Whitespace and comment fixup.
2377 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2380 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2384 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2387 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2389 2006-08-04 Jan Hubicka <jh@suse.cz>
2393 * reload.c (push_reload): Patch out the mismatching instruction;
2395 (find_reload): Bail out if the instruction was patched out.
2397 2006-08-04 Jan Hubicka <jh@suse.cz>
2399 PR tree-optimization/24888
2400 * tree-inline.c (expand_call_inline): Do not re-record variables.
2401 (declare_inline_vars): Add variable to unexpanded_var_list.
2403 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2404 Roger Sayle <roger@eyesopen.com>
2406 PR rtl-optimization/26244
2407 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2408 inner_const are negative or greater than or equal to the bitsize of
2409 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2410 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2411 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2412 CONST0_RTX (mode) when the new shift count is greater than or equal to
2413 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2416 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2418 * tree-cfg.c: Fix a comment typo.
2420 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2423 * varasm.c (output_constant): Give the front end another chance to
2424 expand constants, after stripping NOPs.
2426 2006-08-03 Jan Hubicka <jh@suse.cz>
2428 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2431 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2433 PR tree-optimization/27770
2434 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2435 declaration removed (moved to tree-flow.h).
2436 (vect_can_force_dr_alignment_p): Likewise.
2437 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2438 (moved from tree-vectorizer.h).
2439 (vect_can_force_dr_alignment_p): Likewise.
2440 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2441 from outside the vectorizer - in particular from cgraph stage.
2442 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2443 the alignment of global arrays when -fsection-anchors is enabled.
2444 * cgraphunit.c (cgraph_increase_alignment): New function.
2445 (cgraph_optimize): Call cgraph_increase_alignment.
2447 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2450 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2451 not reload a SPE symbol_ref into a lo_sum address.
2453 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2456 * dwarf2out.c (prune_unused_types_prune): Move call to
2457 prune_unused_types_update_strings to cover the parent DIE also.
2459 2006-08-02 Jan Hubicka <jh@suse.cz>
2461 PR gcov/profile/28480
2462 * tree-cfg.c (change_bb_for_stmt): New function.
2463 (tree_merge_blocks, tree_split_blocks): Use it.
2465 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2471 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2472 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2473 (cgraph_optimize): Likewise.
2475 2006-08-01 Stuart Hastings <stuart@apple.com>
2477 * rtl.h (UINTVAL) New.
2478 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2479 * testsuite/gcc.dg/20060801-1.c: New.
2481 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2484 * c-typeck.c (build_external_type): Mark used enum types.
2485 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2487 (gen_subprogram_die): Whitespace fix.
2489 2006-08-01 Jan Hubicka <jh@suse.cz>
2491 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2492 bitmap when not needed.
2493 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2496 2006-08-01 Dirk Mueller <dmueller@suse.de>
2498 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2500 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2502 * Makefile.in: Revert part of previous patch:
2503 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2506 2006-07-30 Eric Christopher <echristo@apple.com>
2509 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2510 (PowerPC Variable Attributes): New section.
2512 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2514 PR target/28126 (partial fix)
2515 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2517 2006-07-28 Jan Hubicka <jh@suse.cz>
2519 PR rtl-optimization/28071
2520 * cfgrtl.c (rtl_delete_block): Free regsets.
2521 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2523 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2525 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2526 and variables used in dependencies.
2528 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2530 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2531 %fs for -mcmodel=kernel.
2532 (stack_tls_protect_test_di): Likewise.
2534 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2536 * Makefile.in: Use mkinstalldirs.
2538 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2541 * opts-common.c (prune_options): Skip joined switches.
2543 2006-07-27 Jan Hubicka <jh@suse.cz>
2545 PR rtl-optimization/28071
2546 * cselib.c (cselib_process_insn): Don't remove useless values too
2547 often for very large hashtables.
2549 2006-07-27 Jan Hubicka <jh@suse.cz>
2551 PR rtl-optimization/28071
2552 * global.c (greg_obstack): New obstack.
2553 (allocate_bb_info): Use it.
2554 (free_bb_info): Likewise.
2555 (modify_reg_pav): Likewise.
2557 2006-07-27 Roger Sayle <roger@eyesopen.com>
2559 * builtins.c (fold_fixed_mathfn): When long and long long are the
2560 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2561 functions to their lceil*, lfloor*, lround* and lrint* forms.
2563 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2566 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2568 (rev_branch_insn): Likewise.
2570 2006-07-27 Jan Hubicka <jh@suse.cz>
2572 PR rtl-optimization/28071
2573 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2574 (reg_set_in_bb, max_reg_computed): New static variables.
2575 (regmove_optimize): Free the new array.
2576 (fixup_match_1): Update call of reg_is_remote_constant_p.
2578 2006-07-26 Jan Hubicka <jh@suse.cz>
2580 PR tree-optimization/27882
2581 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2583 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2585 (cgraph_analyze_compilation_unit): Likewise.
2586 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2587 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2588 (cgraph_early_inlinine): Make order garbage collected.
2589 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2591 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2593 * dbxout.c (output_types_sort): Add a comment.
2594 (output_used_types): Free the VEC.
2596 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2598 * function.c (reorder_fix_fragments): Delete.
2599 (reorder_blocks): Don't call it.
2600 (reorder_blocks_1): Put all subblocks under the origin block.
2602 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2604 PR rtl-optimization/27907
2605 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2608 2006-07-25 Roger Sayle <roger@eyesopen.com>
2611 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2612 bar(x) check that bar's result type can represent all the values of T.
2614 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2616 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2618 2006-07-25 Nick Clifton <nickc@redhat.com>
2620 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2621 size_lookup[] array.
2622 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2623 (ggc_pch_count_object): Likewise.
2624 (ggc_pch_alloc_object): Likewise.
2625 (ggc_pch_write_object): Likewise.
2626 (init_ggc): Do not attempt to initialize entries in the
2627 size_lookup[] array for objects whose size is greater than than
2628 the length of the array.
2630 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2632 * dbxout.c (output_used_types_helper): Push queued types
2634 (output_types_sort): New.
2635 (output_used_types): Collect used types on a VEC and sort them
2638 2006-07-24 Richard Guenther <rguenther@suse.de>
2641 * cgraph.c (cgraph_remove_node): Do not check if dumps
2643 * cgraphunit.c (cgraph_optimize): Likewise.
2645 2006-07-24 Jan Hubicka <jh@suse.cz>
2647 PR rtl-optimization/28071
2648 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2649 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2650 splitting before first stmt.
2652 2006-07-24 Jan Hubicka <jh@suse.cz>
2654 PR rtl-optimization/28071
2655 * ipa-inline.c (update_caller_keys): Remove edges that
2656 are no longer inline candidates.
2658 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2661 * dbxout.c (output_used_types_helper, output_used_types): New.
2662 (dbxout_symbol): Call output_used_types.
2664 2006-07-23 Jan Hubicka <jh@suse.cz>
2668 * cgraph.c (cgraph_varpool_nodes): Export.
2669 (decide_is_variable_needed): Ignored "used" attribute in
2670 unit-at-a-time mode.
2671 * cgraph.h (cgraph_varpool_nodes): Declare.
2672 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2673 unit-at-a-time mode.
2675 2006-07-23 Roger Sayle <roger@eyesopen.com>
2678 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2679 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2680 the __gthrw form of thr_keycreate.
2681 (__gthread_key_delete): Silence the unused argument warning.
2683 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2686 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2687 Cache the last found '\0' marker to avoid quadratic behavior.
2689 2006-07-23 Jan Hubicka <jh@suse.cz>
2691 * i386.md (subsi_3_zext): Fix output template.
2693 2006-07-21 Mike Stump <mrs@apple.com>
2695 * doc/invoke.texi (C++ Dialect Options): Note that
2696 -fvisibility-inlines-hidden doesn't affect explicitly
2697 instantiationed inline methods.
2699 2006-07-20 Roger Sayle <roger@eyesopen.com>
2701 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2702 if the target assembler is GNU binutils' gas.
2703 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2704 whether to pass GNU gas or native as command line options.
2706 2006-07-20 Jason Merrill <jason@redhat.com>
2708 * tree.c (remove_attribute): New fn.
2709 * tree.h: Declare it.
2711 2006-07-20 Paul Brook <paul@codesourcery.com>
2714 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2715 they are invalidated by this instruction.
2717 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2720 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2722 2006-07-20 Eric Christopher <echristo@apple.com>
2725 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2727 2006-07-19 Eric Christopher <echristo@apple.com>
2729 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2730 Rewrite dependencies for libgcc_s.1.dylib.
2732 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2734 * except.c (duplicate_eh_regions_1): Clear next_peer.
2736 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2738 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2739 -mlongcall does not guarantee all calls will be long.
2740 * doc/extend.texi (long_call/short_call): Document that longcall
2741 does not guarantee a long call will be used.
2742 (longcall/shortcall): Likewise.
2744 2006-07-18 Roger Sayle <roger@eyesopen.com>
2747 * expmed.c (expand_shift): Additionally check that the shift_cost
2748 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2749 before implementing a LSHIFT_EXPR as a sequence of additions.
2750 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2751 middle-end that DImode shifts need to be synthesized by expand.
2753 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2756 * tree-ssa-operands.c (access_can_touch_variable): Update
2758 Return true if ALIAS is .GLOBAL_VAR.
2760 2006-07-18 David Daney <ddaney@avtrex.com>
2762 * gcc.c (display_help): Fix typo in help text.
2764 2006-07-18 Olivier Hainque <hainque@adacore.com>
2766 * tree.h (categorize_ctor_elements): Adjust prototype and add
2767 descriptive comment, both in accordance with the interface change
2769 * varasm.c (constructor_static_from_elts_p): New function.
2770 Whether a constructor node is a valid static constant initializer
2771 if all its elements are.
2772 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2773 * output.h: Declare it.
2774 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2775 is a valid constant initializer instead of computing the number of
2776 non-constant elements. Use constructor_static_from_elts_p for this
2777 purpose. Replace the head comment with an indication that this is a
2778 helper for categorize_ctor_elements.
2779 (categorize_ctor_elements): Same interface change as for the _1
2780 helper. Former head comment from this helper moved here, adjusted to
2781 account for the interface changes.
2782 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2783 (all_zeros_p): Likewise.
2784 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2785 static versions of the constructor from the categorize_ctor_elements
2786 return value instead of the formerly computed number of non-constant
2789 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2791 * configure: Regenerate.
2792 * Makefile.in (build_libsubdir): New configure substitution
2793 (build_libobjdir): New variable.
2794 (BUILD_LIBIBERTY): Use it.
2796 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2799 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2801 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2804 * c-common.c (handle_weakref_attribute): Ignore attribute in
2805 the same conditions the alias attribute is ignored.
2807 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2809 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2810 (dbxout_begin_prologue): Increment scope_labelno.
2812 2006-07-17 Richard Henderson <rth@redhat.com>
2815 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2818 2006-07-17 Roger Sayle <roger@eyesopen.com>
2819 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2821 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2822 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2823 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2824 functions such as sbrk, write, etc.. Add function prototypes.
2825 Convert function declarations from K&R to ISO C. Cast pointers
2826 to "long" and "unsigned long" instead of "int" and "unsigned int".
2827 Convert tokens following #endif into comments.
2829 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2831 * invoke.texi: Remove mention of f77; Reformat table for
2832 inline parameter options correctly; mention that -malign-double
2833 is default on x86-64 targets.
2835 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2837 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2838 (convert_affine_scev, chrec_convert_aggressive): Use
2839 avoid_arithmetics_in_type_p. Do not check for the subtypes
2842 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2845 * optabs.c (expand_doubleword_shift): Wrap the call to
2846 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2848 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2851 * optabs.c (expand_binop): Pass next_methods rather than methods
2852 to expand_doubleword_shift.
2854 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2857 * tree.h (dump_addr): Declare.
2858 * print-tree.c (dump_addr): New function.
2859 (print_node_brief, print_node): Use it.
2860 * print-rtl.c (print_rtx): Likewise.
2861 * common.opt (-fdump-noaddr): New option.
2862 * doc/invoke.texi (-fdump-noaddr): Document.
2863 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2864 (ve_info_hash): Likewise.
2866 2006-07-13 Andrew Haley <aph@redhat.com>
2868 PR tree-optimization/19505
2869 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2870 edge leaving this block, make sure that the destination of this
2871 block has only one predecessor.
2873 2006-07-17 Richard Guenther <rguenther@suse.de>
2875 PR tree-optimization/28238
2876 * tree-inline.c (copy_bb): Check if we produced valid
2877 gimple copying and substituting a stmt. If not, gimplify
2880 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2882 * optabs.c (maybe_encapsulate_block): New function extracted from...
2883 (emit_libcall_block): ...here. Invoke it on the block of insns to
2884 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2885 (emit_no_conflict_block): Likewise.
2887 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2889 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2891 2006-07-15 Roger Sayle <roger@eyesopen.com>
2893 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2894 a new NOP_EXPR case of the switch statement.
2896 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2899 * stor-layout.c (place_field): Take the bit field with
2900 an excessive size into account in the ms-bitfiled case.
2903 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2904 the previous bit field.
2906 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2909 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2911 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2913 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2914 signal frames correctly even when the signal was installed with
2917 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2919 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2920 (dbxout_function_end): Use local label LFBB. Remove hook
2922 (dbxout_source_line): Use local label LFBB.
2923 (dbxout_block): Likewise.
2924 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2925 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2926 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2927 and DBX_OUTPUT_NFUN.
2929 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2931 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2933 2006-07-13 Jan Hubicka <jh@suse.cz>
2935 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2937 * output.h (align_variable): Declare.
2938 * varasm.c (align_variable): Export.
2939 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2940 when basic block changed.
2942 2006-07-13 Nick Clifton <nickc@redhat.com>
2944 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2945 walking the LOG_LINKS chain.
2947 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2949 * doc/invoke.texi (C++ Dialect Options): Explain difference
2950 between -fvisibility-inlines-hidden and setting hidden
2951 visibility explicitly.
2953 2006-07-12 Eric Christopher <echristo@apple.com>
2955 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2956 (stmp-lipo): Depend on libgcc.a.
2958 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2960 * tree.c: Fix a comment typo.
2962 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2964 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2966 (umulhisi3_r): Likewise.
2968 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2971 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2972 x < 19, vs wchar_t support.
2974 2006-07-12 Nick Clifton <nickc@redhat.com>
2976 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2977 instead of -isa=sh4.
2979 2006-07-12 Mike Stump <mrs@apple.com>
2981 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2983 2006-07-10 Eric Christopher <echristo@apple.com>
2985 * config/t-slibgcc-darwin: Rewrite.
2987 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2990 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2993 2006-07-08 Matthias Klose <doko@debian.org>
2995 * doc/sourcebuild.texi: Fix typo.
2997 2006-07-07 Mike Stump <mrs@apple.com>
2999 * toplev.c (process_options): Don't give -ffunction-sections may
3000 affect debugging warning for Mach-O.
3002 2006-07-07 James E Wilson <wilson@specifix.com>
3004 * config/mips/mips.md (cpu): Add sb1a.
3005 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3006 addition to sb1. Adjust comments to clarify SB-1A differences from
3008 (ir_sb1a_load): New. Modify bypasses to use it.
3009 (ir_sb1a_simple_alu): Likewise.
3010 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3011 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3012 (mips_issue_rate): Add PROCESSOR_SB1A.
3013 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3014 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3015 (TARGET_SB1): Add PROCESSOR_SB1A check.
3016 (TUNE_SB1): Likewise.
3018 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3019 * config/mips/mips.c (mips_store_data_bypass_p): New.
3020 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3021 store_data_bypass_p.
3023 2006-07-08 Paul Brook <paul@codesourcery.com>
3026 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3028 2006-07-07 Richard Guenther <rguenther@suse.de>
3031 * tree.h (build_one_cst): Declare.
3032 * tree.c (build_one_cst): New function.
3033 * tree-ssa-math-opts.c (get_constant_one): Remove.
3034 (insert_reciprocals): Use build_one_cst.
3035 * fold-const.c (fold_plusminus_mult): Likewise.
3037 2006-07-07 Roger Sayle <roger@eyesopen.com>
3039 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3040 * cfgloopanal.c (dump_graph): Likewise.
3041 * dojump.c (discard_pending_stack_adjust): Likewise.
3042 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3044 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3045 * function.c (finalize_block_changes): Likewise.
3046 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3047 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3048 * rtl.c (dump_rtx_statistics): Likewise.
3049 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3051 * varray.c (dump_varray_statistics): Likewise.
3052 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3053 decode_decimal64, encode_decimal128, decode_decimal128,
3054 decimal_real_to_decimal): Likewise.
3056 2006-07-07 Richard Guenther <rguenther@suse.de>
3058 PR tree-optimization/28187
3059 * tree-vrp.c (vrp_operand_equal_p): New function.
3060 (vrp_bitmap_equal_p): Likewise.
3061 (update_value_range): Use them to compare old and new
3064 2006-07-06 Roger Sayle <roger@eyesopen.com>
3066 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3067 a default case to switch statement to silence compiler warnings.
3069 2006-07-06 Roger Sayle <roger@eyesopen.com>
3072 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3073 the configured assembler supports the x87's ffreep mnemonic.
3074 * configure: Regenerate.
3075 * config.in: Regenerate.
3077 * config/i386/i386.c (output_387_ffreep): New function.
3078 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3079 (output_387_reg_move): Likewise.
3081 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3083 Port to hosts whose 'sort' and 'tail' implementations
3084 treat operands with leading '+' as file names, as POSIX
3085 has required since 2001. However, make sure the code still
3086 works on pre-POSIX hosts.
3087 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3088 which says you should use "tail -c +N" rather than "tail +Nc".
3089 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3091 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3093 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3096 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3099 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3100 PRE_{INC,DEC} of TFmode.
3102 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3103 Alan Modra <amodra@bigpond.net.au>
3106 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3109 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3112 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3113 Remove duplicate gtu.
3115 2006-07-05 Jason Merrill <jason@redhat.com>
3119 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3120 * c-common.c (handle_packed_attribute): So don't copy it here.
3121 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3123 2006-07-05 Mike Stump <mrs@apple.com>
3125 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3127 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3130 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3132 2006-07-05 Richard Guenther <rguenther@suse.de>
3135 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3136 TARGET_SSE2 targets if using SSE math.
3137 (*absdf2_1): Likewise.
3139 2006-07-05 Richard Guenther <rguenther@suse.de>
3141 PR tree-optimization/28162
3142 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3143 make sure to convert the operands to the correct type.
3145 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3147 PR tree-optimization/28218
3149 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3150 to calculate and free the dominator information.
3152 2006-07-04 Peter O'Gorman <peter@pogma.com>
3154 * mklibgcc.in: chmod 644 before ranlib during install.
3156 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3157 J"orn Rennecke <joern.rennecke@st.com>
3159 * configure.ac (.eh_frame data check): Use diff -b.
3161 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3164 * Makefile.in (BUILD_RTL): Add build/vec.o.
3165 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3166 (build/genextract): Delete.
3167 (build/genautomata): Likewise.
3169 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3172 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3173 128-bit IBM long doubles for ABI_V4.
3175 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3177 * tree.c (range_in_array_bounds_p): New predicate.
3178 * tree.h (range_in_array_bounds_p): Declare it.
3179 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3180 return a less conservative answer.
3181 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3182 and flag 'is_group'.
3183 (IS_ELEMENT_FOR_GROUP): New macro.
3184 (FOR_EACH_ACTUAL_CHILD): Likewise.
3185 (next_child_for_group): New helper function.
3186 (can_completely_scalarize_p): Take into account groups.
3187 (sra_hash_tree): Handle RANGE_EXPR.
3188 (sra_elt_eq): Likewise.
3189 (lookup_element): Be prepared for handling groups.
3190 (is_valid_const_index): Delete.
3191 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3192 instead of is_valid_const_index.
3193 <ARRAY_RANGE_REF>: New case.
3194 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3195 is_valid_const_index.
3196 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3197 (scan_dump): Dump info for groups too.
3198 (decide_instantiation_1): Likewise.
3199 (decide_block_copy): Assert that the element is not a group.
3200 Propagate decision to groups.
3201 (generate_one_element_ref): Handle RANGE_EXPR.
3202 (mark_no_warning): Iterate over actual childs.
3203 (generate_copy_inout): Likewise.
3204 (generate_element_copy): Likewise.
3205 (generate_element_zero): Likewise.
3206 (generate_element_init_1): Likewise.
3207 (dump_sra_elt_name): Handle RANGE_EXPR.
3209 2006-07-03 Roger Sayle <roger@eyesopen.com>
3211 PR tree-optimization/26251
3212 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3213 (thread_block): When optimizing for size refuse to thread jumps
3214 that would require duplication of blocks other than redirection
3217 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3219 * configure.ac: Fix thinko in previous check-in.
3220 * configure: Regenerate.
3222 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3225 * configure.ac (for lang...): Simplify nesting of conditionals.
3226 Test subdir_requires for non-enabled languages. Move processing
3227 of lang_opt_files and lang_tree_fiels below that test.
3228 * configure: Regenerate.
3229 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3231 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3233 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3235 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3237 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3240 2006-06-29 Jason Merrill <jason@redhat.com>
3247 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3248 * c-common.c (c_determine_visibility): Handle it here.
3249 * c-decl.c (finish_decl): Call c_determine_visibility for
3251 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3253 * varasm.c (default_assemble_visibility): Likewise.
3254 * c-common.c (handle_visibility_attribute): Complain about trying
3255 to give visibility to an already defined class, or trying to change
3256 declared visibility. Always attach the attribute.
3261 * attribs.c (decl_attributes): Ignore type-in-place attributes
3262 once the type has been defined.
3264 2006-06-29 Roger Sayle <roger@eyesopen.com>
3267 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3268 to indicate the cpplib has issued an error message for us.
3270 2006-06-29 Asher Langton <langton2@llnl.gov>
3273 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3274 insert a label at the end of an function under Mach-O.
3276 2006-06-29 Eric Christopher <echristo@apple.com>
3277 Evan Cheng <evan.cheng@apple.com>
3279 * predicates.md (vector_all_ones_operand): New.
3280 (nonimmediate_or_sse_const_operand): Ditto.
3281 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3282 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3283 (standard_sse_mode_p): Ditto.
3284 (standard_sse_constant_p): Add case for -1 vector.
3285 (ix86_expand_vector_move): Try to use.
3286 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3287 Call standard_sse_constant_opcode.
3288 (*movv4sf_internal): Ditto.
3289 (*movv2df_internal): Ditto.
3291 2006-06-29 Roger Sayle <roger@eyesopen.com>
3293 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3294 of XEXP to extract the operands of a MATCH_CODE rtx.
3296 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3298 * tree.c (tree_size): Do not waste tail padding in
3299 struct tree_string and make the size be the same as
3300 build_string will generate.
3302 2006-06-28 Jason Merrill <jason@redhat.com>
3305 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3306 may_aliases already in the tag's annotations to the bitmap.
3308 2006-06-28 Roger Sayle <roger@eyesopen.com>
3310 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3312 2006-06-28 Roger Sayle <roger@eyesopen.com>
3314 * genpreds.c (generate_switch_p): New function.
3315 (add_mode_tests): Push the new mode test down inside an AND expr
3316 if this allows the switch-suitable MATCH_CODE to be near the root.
3317 (write_match_code_switch): New function to write a MATCH_CODE as
3319 (write_predicate_stmts): New function to write a predicate RTX
3320 expression as a sequence of statements.
3321 (write_one_predicate_function): Use write_predicate_stmts.
3322 (write_tm_constrs_h): Likewise.
3324 2006-06-26 Fred Fish <fnf@specifix.com>
3326 * config/mips/t-sb1: New file.
3327 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3330 2006-06-26 DJ Delorie <dj@redhat.com>
3332 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3334 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3335 Jayant Sonar <jayants@kpitcummins.com>
3336 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3338 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3339 (subsi3, subsi3_1, subsi3_2): New.
3340 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3341 * config/m32c/mov.md (SI mov peephole): New.
3342 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3343 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3345 2006-06-26 Olivier Hainque <hainque@adacore.com>
3347 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3348 a CALL_EXPR target function declaration.
3350 2006-06-26 Richard Guenther <rguenther@suse.de>
3352 * tree.c (build_string): Do not waste tail padding in
3355 2006-06-26 Richard Guenther <rguenther@suse.de>
3357 * ggc-page.c (init_ggc): Add missing element to size_lookup
3361 2006-06-23 Richard Guenther <rguenther@suse.de>
3363 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3364 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3365 alignment requests instead. Add verification code.
3366 Add struct tree_function_decl and struct tree_binfo size to
3367 extra_order_size_table. Add missing element to size_lookup
3370 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3373 * fold-const.c (const_binop): Be prepared for self returning zero.
3374 Simplify code handling complex values.
3376 2006-06-24 Olivier Hainque <hainque@adacore.com>
3378 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3379 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3382 2006-06-24 Olivier Hainque <hainque@adacore.com>
3384 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3385 ARRAY_REF, so have the callback called for the low bound expression.
3387 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3389 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3390 * c-typeck.c (c_common_type): Disallow operations on decimal float
3391 types and other float types.
3392 * convert.c (convert_to_real): Don't ignore conversions involving
3393 decimal float types.
3395 2006-06-23 Olivier Hainque <hainque@adacore.com>
3397 * tree.c (max_int_size_in_bytes): New function, inspired from
3398 code in function.c:assign_temp.
3399 * tree.h (max_int_size_in_bytes): Declare.
3400 * function.c (assign_temp): Use it.
3401 * gimplify.c (create_tmp_var): Relax the assertions on the type
3402 properties, not mandating constant size any more.
3403 (force_constant_size): New static function.
3404 (gimple_add_tmp_var): Use it, forcing variable size to a
3405 constant upper bound if it is not constant on entry.
3407 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3410 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3411 for initialization and setting of one_only flag to ...
3412 (i386_pe_encode_section_info): ...here.
3413 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3414 Recheck that the symbol has not been defined.
3416 2006-06-23 Richard Guenther <rguenther@suse.de>
3418 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3419 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3420 alignment requests instead. Add verification code.
3421 Add struct tree_function_decl and struct tree_binfo size to
3422 extra_order_size_table. Add missing element to size_lookup
3425 2006-06-22 Roger Sayle <roger@eyesopen.com>
3426 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3429 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3430 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3432 2006-06-23 Ben Elliston <bje@au.ibm.com>
3434 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3435 negate dn -- manipulate it directly.
3437 2006-06-22 Roger Sayle <roger@eyesopen.com>
3438 Steven Bosscher <stevenb.gcc@gmail.com>
3441 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3442 generated by gen_move_insn to add REG_LABEL notes if necessary.
3444 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3446 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3447 (leaf_entry): Remove use of MIN_ESA.
3449 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3451 PR rtl-optimization/28121
3452 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3455 2006-06-21 DJ Delorie <dj@redhat.com>
3457 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3459 (mulhisi3_r): Likewise.
3461 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3464 * coverage.c (coverage_counter_alloc): Leave the index type
3466 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3469 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3471 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3472 section from the "Options for Code Generation Conventions".
3474 2006-06-21 Richard Henderson <rth@redhat.com>
3478 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3480 (global_symbolic_operand): Allow weak symbols, even if local_p.
3482 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3484 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3485 (find_interesting_uses_address): Punt if above function returns true.
3487 2006-06-21 Richard Guenther <rguenther@suse.de>
3489 * configure: Regenerated.
3491 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3493 * config/mips/mips.c (function_arg): Where one part of a
3494 complex argument is in registers and the other part in the stack,
3495 return a REG not a PARALLEL.
3497 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3499 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3500 when cross-compiling. Do not substitute libstdcxx_incdir.
3501 * configure: Regenerated.
3503 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3505 * varasm.c (mergeable_string_section): Check for embedded NULs and
3506 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3507 rather than TREE_STRING_LENGTH bytes.
3509 2006-06-21 Richard Guenther <rguenther@suse.de>
3511 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3512 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3515 2006-06-21 Richrad Guenther <rguenther@suse.de>
3517 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3518 Limit iteration over the dominators.
3520 2006-06-20 Roger Sayle <roger@eyesopen.com>
3522 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3523 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3525 2006-06-20 Richard Guenther <rguenther@suse.de>
3526 Michael Matz <matz@suse.de>
3528 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3530 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3531 * et-forest.h (et_free_pools): Prototype new function.
3532 * et-forest.c (et_free_tree_force): Free parent occurrence.
3533 (et_free_pools): New function.
3534 * dominance.c (free_dominance_info): Free et-forest alloc
3537 2006-06-20 Roger Sayle <roger@eyesopen.com>
3539 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3540 integer modes, attempt to directly construct an integer constant.
3542 * fold-const.c (native_encode_vector): Determine the size of each
3543 element from the vector type instead of the first vector element.
3545 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3546 if all of its elements/components are constant.
3547 (build_constructor_from_list): Likewise.
3549 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3551 PR tree-optimization/27331
3552 * tree-data-ref.c (free_data_ref): New function.
3553 (create_data_ref): Fail if the data reference has unknown access
3555 (free_data_refs): Use free_data_ref.
3557 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3560 * tree-inline.c (setup_one_parameter): Strip useless
3561 type conversion before adding it to the IR.
3562 (declare_return_variable): Likewise.
3564 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3567 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3569 2006-06-19 Mike Stump <mrs@apple.com>
3571 * tree.c (variably_modified_type_p): VM arguments don't make the
3574 2006-06-19 Richard Guenther <rguenther@suse.de>
3576 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3577 type conversions after folding.
3579 2006-06-19 Richard Guenther <rguenther@suse.de>
3581 * ggc-page.c (extra_order_size_tab): Add entries with
3582 size of struct function and basic_block.
3583 (size_lookup): Extend to cover sizes up to 511.
3584 (ggc_alloc_stat): Adjust user.
3585 (ggc_pch_count_object): Likewise.
3586 (ggc_pch_alloc_object): Likewise.
3587 (ggc_pch_write_object): Likewise.
3589 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3591 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3592 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3595 2006-06-19 Denis Chertykov <denisc@overta.ru>
3597 * config/avr/libgcc.S : Correct my wrong previous commit.
3599 2006-06-19 Roger Sayle <roger@eyesopen.com>
3602 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3603 have stripped a SUBREG from the shift count, so we may need to
3604 convert_to_mode back to the type's mode before calling make_tree.
3605 Use new_amount instead of amount to avoid expanding a tree twice.
3607 2006-06-19 Richard Guenther <rguenther@suse.de>
3610 * fold-const.c (operand_equal_p): Check if the argument types
3611 have the same precision before stripping NOPs.
3613 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3615 Fix PR tree-optimization/27341
3616 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3618 * tree-complex.c (pass_lower_complex): Update SMT usage.
3620 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3622 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3623 Add a new alternative to the constraint strings. Add move of
3624 operand 1 to 3 to the splitter definition.
3625 ("doloop_si_long"): Second contraint alternative removed.
3627 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3629 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3630 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3632 (AVR_HAVE_MOVW) Define.
3633 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3634 (ASM_SPEC): Add avr25.
3635 (LINK_SPEC): Add avr25.
3636 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3637 (base_arch_s): Add new member 'have_movw_lpmx'.
3638 (avr_arch_types): Init 'have_movw_lpmx'.
3639 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3640 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3641 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3642 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3643 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3645 (avr_file_start): Do not output '.arh' derective.
3646 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3647 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3648 * config/avr/avr.md (mcu_enhanced): Delete.
3649 (mcu_have_movw): Define.
3650 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3651 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3652 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3653 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3654 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3655 attiny861 and at86rf401 devices.
3657 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3659 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3662 2006-06-17 Karl Berry <karl@gnu.org>
3664 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3665 doc/gccint.texi, doc/install.texi (@dircategory): Use
3666 "Software development" instead of "Programming", following
3667 the Free Software Directory.
3669 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3671 * config/i386/i386.c (legitimate_tls_address)
3672 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3673 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3674 (*tls_dynamic_gnu2_combine_64): Likewise.
3676 2006-06-16 Richard Guenther <rguenther@suse.de>
3679 * fold-const.c (negate_expr_p): Do not introduce undefined
3680 overflow in negating INTEGER_CSTs.
3681 (fold_negate_expr): Rename from negate_expr. Revert last
3682 change for folding BIT_NOT_EXPR. Change semantics to
3683 return NULL_TREE for non-simplified negations. Do not
3684 strip type conversions and unify type handling.
3685 (negate_expr): New function, wrap around fold_negate_expr
3686 but ensure building a tree always. Strip type conversions
3687 here, fold to result type.
3688 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3690 2006-06-16 Roger Sayle <roger@eyesopen.com>
3693 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3694 that (would) return their results in stack registers.
3696 2006-06-16 Michael Matz <matz@suse.de>
3697 Richard Guenther <rguenther@suse.de>
3699 * fold-const.c (fold_truthop): Only return new tree node if
3700 we canonicalized something.
3702 2006-06-16 Richard Guenther <rguenther@suse.de>
3704 * function.h (enum function_frequency): Move declaration
3705 out of struct function.
3706 (struct function): Move bool fields and the enum to the bitfield
3707 section. Reorder elements to avoid padding. Remove unused
3708 fields left over from the RTL inliner removal.
3709 * function.c (free_after_compilation): Do not zero removed fields.
3710 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3711 (ipa-type-escape.o): Likewise.
3713 2006-06-16 Richard Guenther <rguenther@suse.de>
3715 * cgraph.h (struct cgraph_local_info): Turn bool elements
3717 (struct cgraph_node): Likewise.
3718 (struct cgraph_varpool_node): Likewise.
3720 2006-06-15 Richard Guenther <rguenther@suse.de>
3722 * fold-const.c (fold_truth_not_expr): Rename from
3723 invert_truthvalue. Give it fold_* semantics to avoid
3725 (invert_truthvalue): New function. Wrapper around
3726 fold_truth_not_expr.
3727 (optimize_minmax_comparison): Avoid creating garbage.
3728 (fold_unary): Use fold_truth_not_expr for folding
3730 (fold_ternary): Replace uses of invert_truthvalue with
3731 fold_truth_not_expr where applicable.
3732 * tree.h (fold_truth_not_expr): Prototype.
3734 2006-06-16 Richard Guenther <rguenther@suse.de>
3736 PR tree-optimization/27781
3737 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3738 * ipa-pure-const.c (target.h): Include.
3739 (analyze_function): Do not analyze functions that do not
3742 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3745 * tree-dfa.c (referenced_vars_dup_list): Remove.
3746 (find_referenced_vars): Remove assert.
3747 (referenced_var_check_and_insert): Replace dup list with assert.
3748 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3749 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3751 2006-06-15 Richard Guenther <rguenther@suse.de>
3753 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3754 extra unused identifiers if not dumping.
3755 (create_variable_info_for): Likewise.
3757 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3759 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3760 (derive_constant_upper_bound): Derive more precise upper bound in
3761 common cases. Return type changed to double_int.
3762 (record_estimate): Reflect the changed return type of
3763 derive_constant_upper_bound.
3764 * double-int.c (double_int_zext, double_int_sext): Fix.
3766 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3768 * configure.ac (CFLAGS): Get them from the toplevel or from the
3769 configure invocation.
3770 * configure: Regenerate.
3771 * Makefile.in (CFLAGS): Substitute value provided by configure.
3773 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3776 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3777 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3778 rather than calling add_stmt on it.
3779 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3781 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3784 * reload1.c (reload): Remove registers returned by update_eliminables
3785 from used_spill_regs.
3787 2006-06-13 DJ Delorie <dj@redhat.com>
3789 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3791 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3793 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3794 html__strip_dir, html__mkdir_p. Enhance install-html target.
3795 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3796 * configure: Regenerate.
3798 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3800 * fold-const.c (fold_cond_expr_with_comparison): Check for
3801 Objective-C++ as language in deciding COND_EXPR transformation.
3803 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3806 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3807 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3808 * config/sh/lib1funcs.h (SL, SL1): Define.
3809 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3810 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3811 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3812 (OBJS_Os_4_200): New variable.
3813 ($(T)libgcc-Os-4-200.a): Use it.
3814 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3815 when dividing 1 and/or by 0.
3817 2006-06-13 Roger Sayle <roger@eyesopen.com>
3819 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3820 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3821 * configure: Regenerate.
3823 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3825 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3826 for real instruction.
3828 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3831 * haifa-sched.c (check_cfg): Handle special case.
3833 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3836 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3837 Add debug_info parameter. Chain the vars to the BLOCK instead
3838 of the BIND_EXPR if debug info are requested for them.
3839 (pop_gimplify_context): Adjust for above change.
3840 (gimple_add_tmp_var): Likewise.
3841 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3843 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3844 (convert_local_reference): Likewise.
3845 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3846 (finalize_nesting_tree_1): Request that debug info be emitted
3847 for debug_var_chain.
3849 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3851 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3852 for PR target/27863.
3854 2006-06-13 Richard Guenther <rguenther@suse.de>
3857 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3859 2006-06-13 Richard Guenther <rguenther@suse.de>
3861 PR tree-optimization/27830
3862 * tree-inline.c (copy_body_r): For copying the operand
3863 of an ADDR_EXPR make sure to fold &* afterwards.
3865 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3867 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3868 lvalues in the fb_none case with side-effects.
3870 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3872 * tree-flow.h: Remove the prototype for
3873 compute_phi_arg_on_exit.
3874 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3875 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3878 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3880 * builtins.c (expand_builtin_return_addr): Only use
3881 frame_pointer_rtx when count == 0 and we are expanding
3882 __builtin_return_address.
3884 2006-06-12 Fred Fish <fnf@specifix.com>
3886 * config/mips/mips.c (mips_file_start): Create special section
3887 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3889 2006-06-11 Eric Christopher <echristo@apple.com>
3892 * stor-layout.c (place_field): Remove check for
3893 remaining_in_alignment when aligning at the end of a run.
3895 2006-06-11 Eric Christopher <echristo@apple.com>
3898 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3901 2006-06-11 Roger Sayle <roger@eyesopen.com>
3904 Revert incorrect fix for PR target/27158
3905 2006-05-08 Roger Sayle <roger@eyesopen.com>
3906 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3907 of a reg_equiv_constant if the result is a legitimate constant.
3909 2006-06-11 Roger Sayle <roger@eyesopen.com>
3912 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3913 extract a CONST_VECTOR element and interpret it as an integer.
3914 (vspltis_constant): Use const_vector_elt_as_int instead of the
3915 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3916 * config/rs6000/predicates.md (easy_vector_const): Consider
3917 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3919 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3922 * stor-layout.c (update_alignment_for_field): Don't add extra
3923 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3926 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3928 * config/mips/t-rtems: Add EL/EB multilib variants.
3930 2006-06-09 Mike Stump <mrs@apple.com>
3932 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3934 2006-06-09 David Daney <ddaney@avtrex.com>
3936 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3938 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3940 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3942 2006-06-09 Richard Guenther <rguenther@suse.de>
3944 PR tree-optimization/26998
3945 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3946 of signed types, only TYPE_MIN_VALUE is special, but for both,
3947 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3948 in this case, as is -fwrapv.
3950 2006-06-08 Mike Stump <mrs@apple.com>
3953 * config/darwin.c (darwin_asm_output_anchor): Disable
3954 -fsection-anchors on darwin for now.
3955 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3956 * rs6000/rs6000.c (optimization_options): Likewise.
3958 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3961 * config/i386/i386.c (classify_argument): Skip fields with invalid
3964 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3966 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3967 (cse_insn): Likewise for the stack_pointer_rtx.
3969 2006-06-08 Roger Sayle <roger@eyesopen.com>
3971 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3972 conditions from floating point comparisons.
3974 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3977 * expmed.c (struct alg_hash_entry): Fix type of field T
3978 to match synth_mult argument.
3979 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3981 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3984 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3987 2006-06-08 Richard Guenther <rguenther@suse.de>
3990 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3991 only, if overflow is defined and not trapping.
3992 (negate_expr): Likewise.
3994 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3996 PR tree-optimization/27872
3997 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3998 flag on the new exit edge of the unrolled loop.
4000 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4002 PR rtl-optimization/26449
4003 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4005 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4008 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4009 referenced_variables with matching DECL_UID's.
4010 (find_referenced_vars): Make sure duplicate list is empty to start.
4011 (referenced_var_p): Remove.
4012 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4013 Check if var is in the list, and add if needed. Update the duplicate
4014 list if a different var is in the list with the same DECL_UID.
4015 (add_referenced_var): Call routine to check and insert.
4016 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4017 * tree-flow.h (referenced_vars_dup_list): External declaration.
4019 2006-06-07 Fred Fish <fnf@specifix.com>
4021 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4024 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4027 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4028 the imaginary and real parts of a clobbered register.
4029 Emit insn to set the imaginary part.
4031 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4033 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4034 in lieu of unwind-dw2-fde.c.
4036 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4038 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4040 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4043 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4044 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4045 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4046 V4SImode temporaries and operations instead.
4048 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4050 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4053 2006-06-06 Mike Stump <mrs@apple.com>
4055 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4056 installing during build.
4058 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4060 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4062 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4063 * config/ia64/ia64.c (params.h): New header.
4064 (ia64_optimization_options): New function to adjust parameters.
4065 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4066 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4067 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4069 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4071 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4073 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4076 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4078 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4079 Victor Kaplansky <victork@il.ibm.com>
4081 PR tree-optimization/26360
4082 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4085 2006-06-04 Roger Sayle <roger@eyesopen.com>
4086 Andrew Pinski <pinskia@physics.uc.edu>
4089 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4090 for LABEL_DECL before calling DECL_WEAK.
4093 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4094 LABEL_DECL and PARM_DECL.
4096 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4100 * c-decl.c (grokdeclarator): Disallow variably modified types at
4101 file scope. Avoid marking shared array type of constant size as
4104 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4107 * c-common.c (fold_offsetof_1): Handle static members.
4109 2006-06-04 Eric Christopher <echristo@apple.com>
4111 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4112 (debug_rli): Output value for remaining_in_alignment.
4113 (update_alignment_for_field): Unconditionalize
4114 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4115 extra alignment code.
4116 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4117 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4118 * tree.h (record_layout_info_s): Remove prev_packed.
4119 * doc/extend.texi (ms_struct): Add documentation of format.
4121 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4123 * tree.h: Declare folding_initializer.
4124 * builtins.c (fold_builtin_constant_p): Give definite answer
4125 if folding inside an initializer.
4126 * fold-const.c: Define folding_initializer.
4127 (START_FOLD_INIT): Save and then set folding_initializer.
4128 (END_FOLD_INIT): Restore folding_initializer.
4130 2006-06-04 Richard Guenther <rguenther@suse.de>
4132 PR tree-optimization/27039
4133 * fold-const.c (fold_comparison): Handle pointer comparison
4134 again for all comparison codes. Compare offsets in signed
4136 (fold_binary): Move code from here.
4138 2006-06-03 Roger Sayle <roger@eyesopen.com>
4141 * config/i386/i386.c (construct_container): Split static issued_error
4142 flag into issued_sse_arg_error, issued_sse_ret_error and
4143 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4144 requires the use of x87 registers and the user explicitly
4145 specified the -mno-80387 command line option.
4147 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4149 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4150 HAVE_DECL_SIGALTSTACK.
4152 (segv_handler): Use MC_FLD.
4153 * configure.ac: Check for a sigaltstack declaration.
4154 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4155 * configure: Regenerate.
4156 * config.in: Regenerate.
4158 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4161 * Makefile.in (stmp-fixinc): Fix typo.
4163 2006-06-02 Roger Sayle <roger@eyesopen.com>
4165 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4166 are type correct. Clean-up.
4167 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4168 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4170 2006-06-01 DJ Delorie <dj@redhat.com>
4172 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4173 shift, as we've disabled the "switch" insn that needs it.
4175 2006-06-01 Per Bothner <bothner@bothner.com>
4177 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4178 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4179 * c-ppoutput.c (cb_define): Don't increment line 0.
4181 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4183 * doc/invoke.texi: Add cpu_type power6.
4184 * config.gcc: Add cpu_type power6.
4185 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4186 to power5+ with Altivec.
4187 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4188 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4190 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4192 * config/avr/avr.h (SET_ASM_OP): Define.
4194 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4196 * config/bfin/bfin.c: Fix comment typos.
4198 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4201 * doc/install.texi: Document --enable-bootstrap and
4202 --disable-bootstrap.
4204 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4206 * doc/install.texi: Document that InfoZIP can replace jar.
4208 2006-05-31 Roger Sayle <roger@eyesopen.com>
4210 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4211 isn't available, directly generate the simpler x87 patterns without
4212 the (use (const_int 0)).
4213 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4214 implementation isn't available.
4215 (*negdf2_1): Likewise.
4216 (*negxf2_1): XF mode negation is always done using the x87.
4217 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4219 2006-05-31 Roger Sayle <roger@eyesopen.com>
4221 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4222 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4224 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4226 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4228 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4229 * config/bfin/bfin.c (basic-block.h): Include.
4230 (struct machine_function): New.
4231 (bfin_init_machine_status): New.
4232 (override_options): Initialize init_machine_status.
4233 (bfin_hardware_loop): New.
4234 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4235 (DEF_VEC_P (loop_info)): New.
4236 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4237 (struct loop_info): New.
4238 (loop_info): New typedef.
4239 (struct loop_work): New.
4240 (loop_work): New typedef.
4241 (DEF_VEC_O (loop_work)): New.
4242 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4243 (bfin_dump_loops): New.
4244 (bfin_bb_in_loop): New.
4245 (bfin_scan_loop): New.
4246 (bfin_optimize_loop): New.
4247 (bfin_reorg_loops): New.
4248 (bfin_reorg): Use bfin_reorg_loops.
4249 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4251 (I_REGNO_P): Simplify.
4252 (DP_REGNO_P, DPREG_P): New macros.
4253 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4254 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4255 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4256 Add LT_REGS, LC_REGS, LB_REGS.
4257 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4259 (REGNO_REG_CLASS): Deal with loop registers.
4260 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4262 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4263 New constants for loop registers.
4264 (UNSPEC_LSETUP_END): New.
4265 (seq_insns): New define_attr. Set it for appropriate insns.
4266 (movsi_insn): Add alternatives for move from/to
4267 loop count registers.
4268 (doloop_end): New define_expand.
4269 (loop_end): New define_insn.
4270 (define_split for bad doloop_end): New.
4271 (lsetup_with_autoinit): New define_insn.
4272 (lsetup_without_autoinit): New define_insn.
4273 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4274 * config/bfin/predicates.md (lc_register_operand): New.
4275 (lt_register_operand): New.
4276 (lb_register_operand): New.
4277 (nondp_register_operand): New.
4278 (nondp_reg_or_memory_operand): New.
4279 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4281 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4283 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4284 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4286 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4288 * Makefile.in (CATALOGS): Add po/ prefix.
4289 * configure: Regenerated.
4291 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4294 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4295 a shift operand before calling shift_op. Avoid redundant call of
4298 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4299 DJ Delorie <dj@redhat.com>
4301 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4302 we're inserting is a singlt-bit constant.
4304 2006-05-30 Roger Sayle <roger@eyesopen.com>
4306 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4307 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4309 2006-05-30 Roger Sayle <roger@eyesopen.com>
4311 PR tree-optimization/23452
4312 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4313 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4314 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4315 complex values and with -ffast-math for FP complex values.
4317 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4319 * c-common.h: Remove the prototype for yyparse.
4320 * rtl.h: Remove the prototype for init_loop.
4322 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4324 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4327 2006-05-30 Roger Sayle <roger@eyesopen.com>
4329 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4331 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4332 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4334 2006-05-30 Dirk Mueller <dmueller@suse.de>
4337 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4338 for CONSTANT_CLASS_P expresisons.
4340 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4343 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4345 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4347 PR tree-optimization/27779
4348 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4349 initial_condition instead of CHREC_LEFT.
4351 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4353 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4354 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4355 Make prototypes ISO C90.
4357 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4358 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4360 * see.c (see_analyze_one_def): Correct check.
4361 (see_get_extension_data): Check if extension is parallel.
4362 (see_get_extension_reg): Likewise.
4364 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4367 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4368 into register for (code == GTU).
4370 2006-05-29 Roger Sayle <roger@eyesopen.com>
4372 PR tree-optimization/24964
4373 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4374 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4375 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4376 abs(x)*abs(x) as x*x for scalar floating point modes.
4378 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4381 * lambda-code.c (perfect_nestify): Don't copy statements
4382 in the inner loop: move them to the inner loop header.
4384 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4387 * c-tree.texi: Document OpenMP directives and clauses.
4389 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4391 * varasm.c (globalize_decl): Fix indentation.
4393 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4396 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4397 pass_fre, pass_store_ccp, pass_copy_prop,
4398 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4399 pass_return_slot, pass_object_size, pass_lim,
4400 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4401 pass_loop_prefetch and pass_stdarg.
4403 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4405 * config/bfin/bfin.opt (mfdpic): New option.
4406 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4407 (EXTRA_MULTILIB_PARTS): Likewise.
4408 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4409 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4411 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4412 (CRT_CALL_STATIC_FUNCTION): New.
4413 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4415 (CRT_CALL_STATIC_FUNCTION): New.
4416 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4418 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4419 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4420 (initialize_trampoline): Changed to handle FD-PIC code generation.
4421 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4422 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4423 (override_options): Disallow -mid-shared-library -mfdpic combination.
4424 Can't do unaligned ops if FD-PIC.
4425 Turn off flag_pic if trying to generate non-id-shared-library
4426 non-fdpic code, since it's not supported.
4427 (bfin_assemble_integer): New function.
4428 (TARGET_ASM_INTEGER): Define.
4429 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4431 * config/bfin/crtn.s: Restore them.
4432 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4434 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4435 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4436 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4437 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4438 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4440 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4441 FDPIC_REGS and FDPIC_FPTR_REGS.
4442 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4443 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4444 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4445 (load_funcdescsi): New pattern.
4446 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4447 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4448 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4450 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4452 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4455 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4457 * tree-flow.h: Remove the prototype for add_type_alias.
4458 * tree-ssa-alias.c (add_type_alias): Remove.
4460 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4462 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4463 config/fr30/fr30.md, config/i386/i386-interix.h,
4464 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4465 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4466 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4467 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4468 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4469 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4470 Follow spelling conventions.
4471 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4472 Follow spelling conventions.
4474 2006-05-27 Richard Guenther <rguenther@suse.de>
4477 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4478 to produce a constant of value 1 of generic type.
4480 2006-05-27 Dirk Mueller <dmueller@suse.de>
4482 * cgraphunit.c (decide_is_function_needed): Fix wrong
4485 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4487 PR rtl-optimization/27661
4488 * reload.c (find_reloads): When reloading a VOIDmode constant
4489 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4490 use Pmode as mode of the reload register.
4492 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4494 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4495 is enabled at -O and above.
4497 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4500 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4503 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4506 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4507 for anonymous variables explicitly declared by front ends.
4509 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4511 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4512 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4513 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4514 ref-all pointers, run a finalization pass for them.
4515 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4516 (finalize_ref_all_pointers): New function.
4517 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4518 regular pointer type to a ref-all pointer type.
4519 (get_tmt_for): Return the special memory tag for ref-all pointers.
4521 2006-05-25 Richard Guenther <rguenther@suse.de>
4524 * fold-const.c (fold_binary): Do not look at the stripped
4525 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4527 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4529 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4530 for LT and GT if the computed range is effectively empty.
4532 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4535 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4536 mips_quad_format formats instead of ieee_single_format,
4537 ieee_double_format and ieee_quad_format formats, respectively.
4539 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4541 PR tree-optimization/27639
4542 PR tree-optimization/26719
4543 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4544 call to scev_probably_wraps_p.
4545 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4546 used_in_pointer_arithmetic_p, convert_step): Removed.
4547 (nowrap_type_p): New function.
4548 (scev_probably_wraps_p): Rewritten.
4549 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4550 chrec_convert if chrec_convert_aggressive might have been used.
4551 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4552 scev_direction): New functions.
4553 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4554 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4555 instead of convert_step.
4556 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4557 (convert_step): Declaration removed.
4558 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4560 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4562 * df-core.c: Added to header comments.
4563 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4564 df_ur_bb_info, df_urec_bb_info): Added comments.
4565 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4566 urec, ri problems): Fixed header comments.
4567 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4568 code from df_rd_transfer_function.
4570 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4572 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4573 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4574 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4576 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4578 * expr.c (undefined_operand_subword_p): New.
4579 (emit_move_multi_word): Do not generate move from undefined bits
4580 of a paradoxical subreg.
4582 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4584 PR rtl-optimization/27736
4585 * combine.c (replaced_rhs_value): New variable.
4586 (combine_instructions): Set it.
4587 (distribute_notes): When distributing a note in replaced_rhs_insn,
4588 check whether the value was used in replaced_rhs_value.
4590 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4593 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4594 add_referenced_var instead of add_referenced_tmp_var.
4595 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4596 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4598 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4599 tree_optimize_tail_calls_1): Use add_referenced_var.
4600 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4601 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4602 Use add_referenced_var.
4603 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4604 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4605 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4606 Use add_referenced_var.
4607 * tree-dfa.c (struct walk_state): Remove.
4608 (find_referenced_vars): Remove walk state and vars_found hash table.
4609 (make_rename_temp): Use add_referenced_var.
4610 (find_vars_r): Pass less parameters to add_referenced_var.
4611 (referenced_var_p): New. Is var in referenced_var hash table.
4612 (referenced_var_insert): Assert var isn't already in hash table.
4613 (add_referenced_var): Don't need walk_state parameter. Add var if it
4614 isn't already in the hash table.
4615 (add_referenced_tmp_var): Remove.
4616 (find_new_referenced_vars_1): Use add_referenced_var.
4617 * tree-ssa-pre.c (create_expression_by_pieces,
4618 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4619 Use add_referenced_var.
4620 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4621 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4622 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4624 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4625 vect_create_data_ref_ptr, vect_create_destination_var,
4626 vect_init_vector, vect_build_loop_niters,
4627 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4628 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4629 Use add_referenced_var.
4630 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4631 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4632 (add_referenced_var): Add prototype.
4633 * tree-ssa-structalias.c (get_constraint_for,
4634 intra_create_variable_infos): Use add_referenced_var.
4636 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4638 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4639 big-endian paradoxical subregs.
4640 * var-tracking.c (struct micro_operation_def): Document that,
4641 for modify micro operations, insn is the subsequent instruction.
4642 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4643 (var_reg_set, var_mem_set): ... new functions.
4644 (add_stores): Record subsequent insn.
4645 (compute_bb_dataflow): Use new functions for MO_USE.
4646 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4647 notes after the insn, and modify notes before the insn known
4648 to be the subsequent one.
4649 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4651 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4654 * config/i386/i386.c (ix86_expand_builtin): Use
4655 gen_sse3_monitor64 for TARGET_64BIT.
4657 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4659 PR rtl-optimization/26375
4660 PR rtl-optimization/26855
4661 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4663 (df_ru_bb_local_compute): Reversed statements and removed bogus
4664 comment explaining why they should be in wrong order.
4665 (df_ru_dump, df_rd_dump): Enhanced debug info.
4666 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4668 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4669 reaching uses and fixed space problem.
4671 2006-05-23 Jan Hubicka <jh@suse.cz>
4673 * cgraphunit.c (decide_is_function_needed): Also nested functions
4674 and functions declared inline can be optimized out at -O0.
4676 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4678 * doc/install.texi (Configuration): Remove reference to CrossGCC
4682 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4685 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4686 ix86_compare_emitted is non-NULL.
4688 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4691 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4694 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4696 PR rtl-optimization/25514
4697 * combine.c (replaced_rhs_insn): New variable.
4698 (combine_instructions): Set replaced_rhs_insn when trying to replace
4699 a SET_SRC with a REG_EQUAL note.
4700 (distribute_notes): Use replaced_rhs_insn when determining the live
4701 range of a REG_DEAD register.
4703 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4704 Anatoly Sokolov <aesok@post.ru>
4706 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4707 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4708 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4709 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4710 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4711 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4712 at90usb647, at90usb1286 and at90usb1287 devices.
4713 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4714 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4716 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4718 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4720 2006-05-22 Richard Guenther <rguenther@suse.de>
4723 2006-01-31 Richard Guenther <rguenther@suse.de>
4724 Paolo Bonzini <bonzini@gnu.org>
4726 * doc/install.texi (--disable-libgcc-math): Document.
4728 2006-05-22 Richard Guenther <rguenther@suse.de>
4731 2006-01-31 Richard Guenther <rguenther@suse.de>
4733 * doc/invoke.texi (-msselibm): Document.
4734 * target.h (expand_library_builtin): New target hook.
4735 * builtins.c (expand_builtin): Use expand_library_builtin.
4736 (default_expand_library_builtin): New function.
4737 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4738 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4739 (link_gcc_math_spec): Declare.
4740 (static_specs): Add link_gcc_math_spec.
4741 * expr.h (default_expand_library_builtin): Declare.
4742 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4743 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4744 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4745 * config/i386/i386.opt (msselibm): New target option.
4746 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4747 (ix86_init_sse_abi_builtins): New function.
4748 (ix86_expand_library_builtin): Likewise.
4749 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4750 (override_options): Handle error conditions wrt -msselibm.
4751 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4752 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4753 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4756 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4759 * c-common.c (self_promoting_args_p): Skip erroneous args.
4762 * c-decl.c (finish_struct): Skip erroneous fields.
4764 2006-05-22 Nick Clifton <nickc@redhat.com>
4766 * config/cris/cris.opt (march): Remove VarExists attribute.
4767 (max-stackframe=): Likewise.
4769 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4771 * doc/rtl.texi: Fix a typo.
4772 * see.c: Fix comment typos.
4774 * tree-ssa-structalias.h (alias_info): Remove num_references.
4776 2006-05-21 Mike Stump <mrs@apple.com>
4778 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4780 (darwin_pragma_options): Use BAD instead.
4781 (darwin_pragma_unused): Likewise.
4782 (darwin_pragma_ms_struct): Likewise.
4784 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4786 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4788 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4790 PR rtl-optimization/27671
4791 * simplify-rtx.c (simplify_relational_operation_1): Fix
4792 simplifications of (eq/ne (xor x y) y) and
4793 (eq/ne (xor x y) x).
4795 PR tree-optimization/26622.
4796 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4799 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4801 * tree-cfg.c: Prune whitespace.
4802 (debug_tree_cfg): Point to correct header containing the
4805 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4808 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4810 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4813 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4814 or sorry count is non zero.
4816 2006-05-20 Andreas Schwab <schwab@suse.de>
4818 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4820 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4821 Kenneth Zadeck <zadeck@naturalbridge.com>
4823 PR rtl-optimization/26855
4825 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4827 (df_scan_alloc): Added code to properly handle multiword hard
4828 registers and add all_blocks parameter.
4829 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4830 code to properly handle multiword hard registers.
4831 (df_rescan_blocks): Added code to remove deleted blocks from
4833 (df_ref_create_structure, df_ref_record): Added code to properly
4835 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4836 and set DF_REF_PARTIAL.
4837 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4838 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4839 (df_scan_add_problem): Added flags parameter.
4840 (df_ref_create_structure): Changed switching structure.
4841 (df_bb_refs_record): Fixed case where duplicate artificial refs
4842 were created. Changed location of flags.
4843 (df_record_entry_block_defs): Added code to make stack pointer
4844 live in entry block. Refined cases where frame pointer is needed.
4845 Changed location of flags.
4846 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4847 (df_set_state): Removed function.
4848 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4849 df_insn_create_insn_record, df_insn_refs_delete,
4850 df_ref_create_structure): Formatting changes.
4851 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4852 df_delete_basic_block): New function.
4853 (df_init): Changed location of flags.
4854 (df_add_problem): Added flags parameter and the way flags are
4856 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4857 debug_df_chain): Improved debugging output.
4858 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4859 (df_refs_chain_dump): Removed df parameter.
4860 (df_iterative_dataflow): Added consistency check.
4861 (df_prune_to_subcfg): Made public.
4862 (df_analyze_problem): Added blocks_to_init parameter and made
4864 (df_ref_record, df_bb_refs_record, df_mark_reg,
4865 df_record_exit_block_uses): Whitespace changes.
4866 (df_dump): Whitespace changes.
4867 * df.h: Some reordering to remove forward references.
4868 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4869 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4870 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4871 (dataflow.flags): New field.
4872 (df.flag): Deleted field.
4873 (df_alloc_function): Added additional bitmap parameter.
4874 (df_dependent_problem_function): New type.
4875 (df_problem.changeable_flags): New field.
4876 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4877 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4878 (df_mw_hardreg): New struct.
4879 (DF_INSN_UID_MWS): New macro.
4880 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4882 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4883 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4884 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4885 (df_set_state): Removed function.
4886 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4887 * df-problems.c (df_chain_dump): Removed df parameter.
4888 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4889 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4891 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4892 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4893 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4894 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4895 DF_REF_MUST_CLOBBER cases.
4896 (df_ru_bb_local_compute_process_def,
4897 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4898 df_lr_bb_local_compute, df_ur_bb_local_compute,
4899 df_chain_create_bb): Made subreg aware.
4900 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4901 df_lr_bb_local_compute, df_lr_bb_local_compute,
4902 df_chain_create_bb): Cleanup to use proper macros.
4903 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4904 code to fixup bitvectors.
4905 (df_ri_alloc): Cleared lifetime.
4906 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4907 df_create_unused_note): New function.
4908 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4909 REG_DEAD and REG_UNUSED notes as well as register information.
4910 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4911 df_chains_dump): Fixed crash if problem was never run.
4912 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4913 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4914 df_ri_add_problem): Processes flags in uniform manner.
4915 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4916 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4917 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4918 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4919 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4920 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4921 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4922 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4923 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4924 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4925 * see.c (see_initialize_data): Ditto.
4926 * final.c (rest_of_clean_state) Added regstack_completed.
4927 * rtl.h (regstack_completed): Ditto.
4928 * reg-stack.c (regstack_completed): Ditto.
4930 2006-05-19 Mike Stump <mrs@apple.com>
4932 * c-tree.h (default_conversion): Remove.
4933 * c-common.h (default_conversion): Add.
4935 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4937 * tree-vrp.c (valid_value_p): New function.
4938 (adjust_range_with_scev): Fail if the value of bound is not
4941 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4943 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4944 (mips_fallback_frame_state): Use syscall numbers to determine
4945 the appropriate li instruction for the current ABI. Only use
4946 __NR_sigreturn for o32.
4948 2006-05-19 Nicolas Setton <setton@adacore.com>
4950 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4951 * langhooks.c (lhd_dwarf_name): New function.
4952 * langhooks-def.h (lhd_dwarf_name): Declare.
4953 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4954 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4955 * ada/misc.c (gnat_dwarf_name): New function.
4956 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4958 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4960 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4962 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4963 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4964 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4965 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4966 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4967 determine the size of Wtype, etc.
4968 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4969 (swfloatfuncs): New variable.
4970 (dwfloatfuncs): Likewise.
4971 (lib2funcs): Remove floating-point conversion functions from
4972 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4973 the set of conversion routines needed. Allow entries to specify
4974 an object name, filename and word size. Update users accordingly.
4975 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4976 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4980 2006-02-08 Roger Sayle <roger@eyesopen.com>
4983 * config/fixtfdi.c: New libgcc source file.
4984 * config/fixunstfdi.c: New source file.
4985 * config/floatditf.c: New source file.
4986 * config/floatunditf.c: New souce file.
4987 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4988 files above instead of config/mips/_tilib.c.
4989 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4991 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4993 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4994 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4996 2006-05-18 Mike Stump <mrs@apple.com>
4998 Fix up vla, vm and [*] sematics.
5004 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5005 (c_vla_unspec_p): Add.
5006 (c_vla_type_p): Add.
5007 * c-decl.c (struct c_scope): Add had_vla_unspec.
5008 (build_array_declarator): Add support for [*].
5009 (grokdeclarator): Likewise.
5010 (grokparms): Likewise.
5011 (get_parm_info): Likewise.
5012 * c-objc-common.c (c_vla_unspec_p): Likewise.
5013 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5014 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5015 typeof when argument is a variably modified type not inside sizeof or alignof.
5016 (c_parser_direct_declarator_inner): Propagate errors.
5017 (c_parser_sizeof_expression): Add support for [*].
5018 (c_parser_parms_declarator): Initialize had_vla_unspec.
5019 (c_parser_parms_list_declarator): Likewise.
5020 * c-typeck.c (c_vla_type_p): Add.
5021 (composite_type): Add support for vla compositing.
5022 (comptypes_internal): Add support for vla compatibility.
5023 (c_expr_sizeof_expr): Evaluate vla arguments.
5024 * tree.c (variably_modified_type_p): Update comment for [*].
5026 2006-05-18 Michael Matz <matz@suse.de>
5029 * config.host: Make assignments to host_xmake_file cumulative.
5030 * config.host (*-darwin*): Test $host, not $target.
5032 2006-05-12 Stuart Hastings <stuart@apple.com>
5034 * config/i386/i386.opt (-mstackrealign): New flag.
5035 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5036 (ix86_handle_cconv_attribute): Emit error when
5037 force_align_arg_pointer attribute collides with too many regparms.
5038 (ix86_function_regparm): Limit regparms when used with
5039 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5040 Support stack-realigning prologue in non-main functions. Emit
5041 warning for nested functions under -mstackrealign, emit error for
5042 nested functions with force_align_arg_pointer attribute.
5043 * doc/extend.texi (force_align_arg_pointer): Document it.
5044 * doc/invoke.texi (-mstackrealign): Document it.
5046 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5048 PR rtl-optimization/27477
5049 * combine.c (try_combine): Don't split a parallel consisting
5050 of two sets into two individual sets if both sets reference
5053 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5055 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5056 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5058 * doc/options.texi (VarExists): Updated.
5060 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5062 * unwind-dw2.c: Add declarations for uw_update_context and
5064 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5065 detected, advance frame state and context once to skip over stub.
5067 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5071 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5072 Call rewrite_into_loop_closed_ssa only when something changed.
5073 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5074 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5075 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5076 Test for perfect_nest_p here. Fix formating.
5077 (replace_uses_equiv_to_x_with_y): Fix formating.
5078 (stmt_uses_op): Removed.
5079 (can_convert_to_perfect_nest): Removed loopivs parameter.
5080 Complete the test by checking the scalar dependences.
5081 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5084 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5087 From Dan Kegel <dank@kegel.com>:
5088 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5090 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5092 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5093 if the element type is variably modified without recursing.
5095 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5098 * tree-loop-linear.c (try_interchange_loops): Test for
5099 no data dependences.
5101 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5103 PR tree-optimization/27548
5104 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5105 range of ssa names that appear on abnormal edges.
5106 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5107 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5109 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5112 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5114 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5117 * tree.h (OMP_PARALLEL_COMBINED): Define.
5118 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5119 (new_omp_context): Add is_combined_parallel argument.
5120 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5121 new_omp_context caller.
5122 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5123 Adjust gimplify_scan_omp_clauses callers.
5124 (omp_is_private): Issue errors if iteration variable is firstprivate
5125 or reduction in the current context.
5126 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5127 on combined parallel workshare constructs.
5129 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5131 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5132 (gcc-options.o): New rule.
5134 * optc-gen.awk: Protect variables for gcc-options.o with
5135 #ifdef GCC_DRIVER/#endif.
5137 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5139 Fix PR tree-optimization/27373
5140 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5141 (forward_propagate_addr_expr): Update call.
5143 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5145 * doc/options.texi: Move the Negative option.
5147 2006-05-16 Richard Guenther <rguenther@suse.de>
5149 PR tree-optimization/22303
5150 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5152 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5153 ccp_fold did not simplify the statement.
5155 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5158 * Makefile.in (GCC_OBJS): New.
5159 (OBJS-common): Add opts-common.o.
5160 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5161 (cpp$(exeext)): Likewise.
5162 (gcc.o): Also depend on opts.h.
5163 (opts-common.o): New.
5165 * common.opt (gcoff): Add Negative(gdwarf-2).
5166 (gdwarf-2): Add Negative(gstabs).
5167 (gstabs): Add Negative(gstabs+).
5168 (gstabs+): Add Negative(gvms).
5169 (gvms): Add Negative(gxcoff).
5170 (gxcoff): Add Negative(gxcoff+).
5171 (gxcoff+): Add Negative(gcoff).
5172 * config/i386/i386.opt (m32): Add Negative(m64).
5173 (m64): Add Negative(m32).
5175 * doc/options.texi: Document the Negative option.
5177 * gcc.c: Include "opts.h".
5178 (main): Call prune_options after expandargv.
5180 * optc-gen.awk: Generate common declarations for all flag
5181 variables in options.c. Output the neg_index field.
5183 * opts.c (find_opt): Moved to ...
5184 * opts-common.c: Here. New file.
5186 * opts.h (cl_option): Add a neg_index field.
5188 (prune_options): Likewise.
5190 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5193 * omp-low.c (expand_omp_parallel): Don't assert
5194 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5195 instead search for it.
5198 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5201 2006-05-16 Andreas Schwab <schwab@suse.de>
5203 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5206 2006-05-15 Roger Sayle <roger@eyesopen.com>
5209 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5210 integer constants other than zero are only legitimate on TARGET_64BIT.
5211 <CONST_VECTOR> Only zero vectors are legitimate.
5212 (ix86_cannot_force_const_mem): Integral and vector constants can
5213 always be put in the constant pool.
5215 2006-05-16 DJ Delorie <dj@redhat.com>
5217 * crtstuff.c (__dso_handle): Set section from
5218 TARGET_LBIGCC_SDATA_SECTION if defined.
5219 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5220 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5222 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5225 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5228 2006-05-16 Ben Elliston <bje@au.ibm.com>
5230 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5232 2006-05-15 Per Bothner <per@bothner.com>
5234 * tree.c: (last_annotated_node): Use source_locus typedef.
5235 This permits bootstrapping with --enable-mapped-location.
5237 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5239 PR tree-optimization/26830
5240 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5241 (info_for_ssa_name, current_info_for_ssa_name_age,
5242 blocks_to_update): New variables.
5243 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5244 (clear_ssa_name_info, initialize_flags_in_bb,
5245 mark_block_for_update): New functions.
5246 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5247 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5248 prepare_def_site_for): Use mark_block_for_update.
5249 (mark_def_interesting): Assert that the processed block is marked in
5250 blocks_to_update. Do not take blocks argument.
5251 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5253 (rewrite_update_init_block, rewrite_update_stmt): Only process
5254 blocks with statements to rewrite.
5255 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5256 (update_ssa): Initialize and free blocks_to_update. Do not
5257 clear flags on statements. Do not use blocks bitmap.
5258 * tree.h (SSA_NAME_AUX): Removed.
5259 (struct tree_ssa_name): Removed aux field.
5260 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5262 2006-05-15 Richard Guenther <rguenther@suse.de>
5264 PR tree-optimization/27603
5265 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5266 Do computations in original type.
5268 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5270 * see.c: Code style changes such as redundant paranthesis,
5271 redundant intialization of local variables etc.
5272 (see_main): Declared now as static.
5273 * doc/invoke.texi: Update that -fsee is not enabled by
5276 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5278 * omp-low.c (check_omp_nesting_restrictions): New function.
5279 (scan_omp_1): Call it.
5282 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5283 construct, return *VAR.
5285 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5287 PR rtl-optimization/27406
5288 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5291 2006-05-14 Roger Sayle <roger@eyesopen.com>
5293 PR rtl-optimization/27538
5294 * combine.c (expand_compound_operation): Call gen_lowpart
5295 before calling simplify_shift_const.
5297 2006-05-14 Roger Sayle <roger@eyesopen.com>
5299 PR rtl-optimization/22563
5300 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5301 a fixed width bitfield, always force the intermediates into psuedos.
5303 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5306 * mkconfig.sh: Use operator = instead of == for test.
5308 2006-05-13 Nick Clifton <nickc@redhat.com>
5310 * dwarf2out.c (dbx_reg_number): Check return value from
5311 LEAF_REG_REMAP and only use it if it is valid.
5312 (multiple_reg_loc_descriptor): Likewise.
5314 2006-05-13 Richard Guenther <rguenther@suse.de>
5316 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5319 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5321 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5322 information attached to non-INSNs such as NOTEs.
5323 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5325 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5327 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5329 * config/s390/s390.md: Adjust comment describing On constraint.
5331 2006-05-11 Jan Hubicka <jh@suse.cz>
5333 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5334 to be output at -O0.
5336 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5339 * fold-const.c (size_binop): Move sanity check for arguments to
5340 the beginning of the function.
5343 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5346 2006-05-11 Richard Guenther <rguenther@suse.de>
5349 * fold-const.c (fold_unary): Handle intermediate conversion
5350 to a pointer type like intermediate conversion to an integer
5351 type in folding of (T1)(T2)var to var.
5352 Match the code to the comment in the final conversion for
5353 (T1)(T2)var to (T1)var regarding to type precision. Rather
5354 than disallow T1 being of pointer type, assert that both T1
5355 and var are of pointer type or not. Make sure not to fall
5356 over the frontends lazyness wrt array to pointer decay though.
5358 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5360 * arm.c (arm_struct_value_rtx): Delete.
5361 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5362 (arm_init_cumulative_args): Always initialize nregs to zero.
5364 2006-05-10 Richard Guenther <rguenther@suse.de>
5366 PR tree-optimization/27532
5367 * tree-object-size.c (plus_expr_object_size): Fix typo.
5369 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5372 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5373 ashrdi_const, ashrdi3): Use a scratch register.
5375 2006-05-10 Richard Guenther <rguenther@suse.de>
5377 PR tree-optimization/27302
5378 * fold-const.c (operand_equal_p): For two comparisons,
5379 try comparison of one comparison code swapped if that yields
5382 2006-05-10 Ben Elliston <bje@au.ibm.com>
5384 * tree-pretty-print.c (pretty_print_string): No need to handle
5385 '\0' as a special character.
5387 * tree.h: Include "hashtab.h".
5388 (iterative_hash_expr): Use hashval_t in its prototype.
5389 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5391 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5394 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5395 (hppa*64*-*-hpux11*): Ditto.
5396 (hppa[12]*-*-hpux11*): Ditto.
5398 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5401 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5403 2006-05-09 Michael Matz <matz@suse.de>
5405 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5406 host_extra_gcc_objs and host_xmake_file.
5407 (<*-*-linux*>): Don't overwrite host_xmake_file.
5408 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5409 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5410 (host_detect_local_cpu): Declare.
5411 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5412 * config/i386/i386.c (override_options): Handle -mtune=native
5414 * config/i386/x-i386: New file.
5415 * config/i386/driver-i386.c: New file.
5416 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5419 2006-05-09 Dirk Mueller <dmueller@suse.de>
5420 Richard Guenther <rguenther@suse.de>
5423 * fold-const.c (fold_read_from_constant_string): Relax check
5424 for matching types to matching modes.
5426 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5428 PR rtl-optimization/27335
5429 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5432 2006-05-08 Chao-ying Fu <fu@mips.com>
5433 Richard Sandiford <richard@codesourcery.com>
5435 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5436 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5437 * config/mips/mips.md (UNSPEC_SCC): New constant.
5438 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5439 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5440 (mips_emit_compare): Use it.
5441 (mips_expand_vcondv2sf): New function.
5443 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5445 Fix PR tree-optimization/27093
5446 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5447 renaming when they become not-used_alone.
5449 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5451 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5452 relocation and relocation stubs.
5454 2006-05-08 Eric Christopher <echristo@apple.com>
5456 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5459 2006-05-08 Jan Hubicka <jh@suse.cz>
5462 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5463 unused static functions are needed.
5465 2006-05-08 Roger Sayle <roger@eyesopen.com>
5468 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5469 of a reg_equiv_constant if the result is a legitimate constant.
5471 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5474 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5475 standard 80387 constants, raise the cost to prevent
5476 compress_float_constant() to generate load from memory.
5478 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5480 * config/arm/constraints.md (c): Fix a typo.
5482 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5485 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5488 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5490 (_mm_mwait): Likewise.
5492 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5494 (sse3_monitor): Make it 32bit only.
5495 (sse3_monitor64): New. 64bit monitor.
5497 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5500 * config/i386/i386.c (classify_argument): Skip fields with invalid
5503 2006-05-07 Richard Guenther <rguenther@suse.de>
5505 PR tree-optimization/27409
5506 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5507 Do not try to find zero-sized subvars.
5509 2006-05-07 Richard Guenther <rguenther@suse.de>
5511 PR tree-optimization/27136
5512 * tree-ssa-loop-niter.c (get_val_for): Correct function
5513 comment, assert requirements.
5514 (loop_niter_by_eval): Stop processing if the iterated
5515 value did not simplify.
5517 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5519 * opts.c (flag_see): remove its setting at -O3.
5521 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5523 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5524 * arm/constraints.md: New file.
5525 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5526 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5527 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5528 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5529 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5530 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5531 * arm.md: Include constraints.md.
5532 (thumb_movsi_insn): Use satisfies_constraint_J.
5533 (movhi, movqi): Use satisfies_constraint_I.
5535 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5537 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5538 for atmeg a645 device.
5540 2006-05-06 Richard Guenther <rguenther@suse.de>
5542 PR tree-optimization/27151
5543 * tree-vect-transform.c (vectorizable_condition): Punt on
5544 values that have a different type than the condition.
5546 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5549 * c-parser.c (c_parser_cast_expression): Only insert casts into
5550 hash table if pointer.
5551 * function.c (used_types_insert_helper): Rename from
5553 (used_types_insert): Call used_types_insert_helper.
5554 * function.h (used_types_insert): Accept only one argument.
5556 2006-05-05 David Edelsohn <edesohn@gnu.org>
5558 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5559 scratch with output modifier.
5561 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5564 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5565 with output modifier.
5567 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5570 * config/mips/mips.c (mips_symbolic_address_p): Return true
5571 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5572 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5574 2006-05-04 Richard Guenther <rguenther@suse.de>
5576 PR tree-optimization/14287
5577 PR tree-optimization/14844
5578 PR tree-optimization/19792
5579 PR tree-optimization/21608
5580 PR tree-optimization/27090
5581 * tree-ssa-pre.c (try_combine_conversion): New function.
5582 (compute_avail): After constructing the value-handle
5583 expression, use try_combine_conversion to combine NOP_EXPRs
5584 with previous value-handle expressions and use the result if it
5587 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5589 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5591 2006-05-04 Jan Hubicka <jh@suse.cz>
5594 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5596 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5598 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5599 that this only matches CONST_INTs. All users changed to VOIDmode
5602 * config/bfin/bfin.c: Include "optabs.h".
5603 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5605 (enum bfin_builtins): Add a number of fractional and vector builtins.
5606 (bfin_init_builtins): Likewise.
5607 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5608 (safe_vector_operand, bfin_expand_binop_builtin,
5609 bfin_expand_unop_builtin): New functions.
5610 (bfin_expand_builtin): Handle the new builtins.
5611 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5614 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5617 * Makefile.in (OBJS-common): Add see.o.
5618 (see.o): Add dependencies.
5619 * common.opt (fsee): New flag for the see optimization was added.
5620 * opts.c (flag_see): Initialized.
5621 * passes.c (init_optimization_passes, pass_see): New pass.
5622 * rtl.h (see_main): Declaration as extern.
5623 * timevar.def (TV_SEE): New.
5624 * tree-pass.h (pass_see): Declaration as extern.
5625 * invoke.texi (-fsee): Document.
5626 * recog.c (validate_simplify_insn): New function.
5627 * recog.h (validate_simplify_insn): Declaration as extern.
5628 * df-problems.c (df_chain_dump): Check for NULL.
5630 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5631 Daniel Berlin <dberlin@dberlin.org>
5633 * cfgrtl.c (insert_insn_bb_end_new): New function.
5634 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5636 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5638 * df.h (struct web_entry): Moved from web.c.
5639 (union_defs): Declaration as extern.
5640 (unionfind_root): Likewise.
5641 (unionfind_union): Likewise.
5642 * web.c (struct web_entry): Moved to df.h.
5643 (unionfind_root): Remove static declaration.
5644 (unionfind_union): Likewise.
5645 (union_defs): Likewise and generalize to use callback function.
5646 (web_main): Update arguments for union_defs function call.
5648 2006-05-04 Richard Guenther <rguenther@suse.de>
5650 PR tree-optimization/26447
5651 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5652 produce SSA_NAME copies before the store stmt to avoid
5653 breaking exception handling.
5655 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5658 * gimplify.c (omp_is_private): If var is shared in some outer context,
5659 return false instead of true. Stop searching on parallel context
5662 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5665 * coverage.c: Use get_gcov_unsigned_t() instead of
5666 unsigned_type_node all over.
5668 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5670 PR tree-optimization/27381
5671 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5672 maintain the same immediate_use links.
5673 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5674 node rather than segfaulting.
5676 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5679 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5680 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5681 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5683 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5685 Fix PR tree-optimization/26626
5686 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5688 * tree-ssa-operands.c (access_can_touch_variable): Allow
5689 typecasting through union pointers.
5691 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5694 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5695 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5696 to find if var will be a global variable even in the nested context.
5697 (omp_copy_decl): Only check for global variable at the end, it might
5698 be overridden in outer contexts.
5699 (scan_sharing_clauses): For global variables don't create a field.
5700 (lower_rec_input_clauses): Do nothing for global shared variables.
5701 Emit a barrier at the end of ILIST if there were any decls in both
5702 firstprivate and lastprivate clauses.
5703 (lower_send_clauses): Do nothing for global variables except for
5706 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5708 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5709 of the correct signedness is returned.
5711 2006-05-02 Jeff Law <law@redhat.com>
5713 PR tree-optimization/27364
5714 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5715 multiply expressions.
5717 2006-05-02 Tom Tromey <tromey@redhat.com>
5719 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5721 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5724 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5725 -mthumb -fPIC are used.
5727 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5728 Joshua Kinard <kumba@gentoo.org>
5731 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5732 with 64-bit pointers.
5734 2006-05-02 Paul Brook <paul@codesourcery.com>
5736 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5738 (create_fix_barrier): Check that a suitable barrier location is
5740 (arm_reorg): Include ftmp->address in allowable range of addresses.
5742 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5745 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5748 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5751 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5752 around RESULT_DECL for result passed by reference.
5753 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5754 * omp-low.c (use_pointer_for_field): Don't look at
5755 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5756 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5757 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5758 time or var for passing by reference for
5759 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5760 TREE_ADDRESSABLE variables when passing by reference.
5762 * omp-low.c (dump_omp_region): Fix output formatting.
5765 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5766 (expand_omp_parallel): Likewise.
5767 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5770 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5771 on statement list containing also constructors and destructors.
5772 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5775 * except.c (duplicate_eh_regions): Fix clearing of
5776 cfun->eh->region_array entries.
5778 2006-05-01 DJ Delorie <dj@redhat.com>
5780 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5782 (gcc_cv_objdump): Likewise.
5783 * configure: Regenerated.
5785 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5788 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5789 templates for case 3 and 4.
5791 2006-05-01 DJ Delorie <dj@redhat.com>
5793 * vec.c: Include bconfig.h when appropriate.
5794 * Makefile.in (build/vec.o): Adjust dependencies.
5795 * mkconfig.sh: Make sure config.h isn't used for build machine
5798 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5800 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5802 (mark_phi_for_rewrite): New function.
5803 (insert_phi_nodes_for, mark_use_interesting): Call
5804 mark_phi_for_rewrite.
5805 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5806 (update_ssa): Initialize and free phis_to_rewrite.
5808 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5810 PR rtl-optimization/27291
5811 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5812 folded to a constant.
5814 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5816 PR tree-optimization/27283
5817 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5818 not whole # of iteration descriptions.
5819 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5820 uses abnormal ssa name.
5821 (niter_for_single_dom_exit): Ditto.
5822 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5823 return just the number of iterations.
5825 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5827 PR tree-optimization/27144
5828 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5829 (record_estimate): Only record constant upper bound.
5830 (infer_loop_bounds_from_undefined): Call
5831 compute_estimated_nb_iterations just once.
5832 (proved_non_wrapping_p): Renamed to ...
5833 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5834 (convert_step_widening, scev_probably_wraps_p): Call
5835 n_of_executions_at_most instead of proved_non_wrapping_p.
5836 (substitute_in_loop_info): Do not replace values in bounds.
5837 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5840 2006-05-01 Richard Henderson <rth@redhat.com>
5843 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5844 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5847 2006-05-01 Roger Sayle <roger@eyesopen.com>
5849 * c-typeck.c (parser_build_binary_op): Don't call the function
5850 unsigned_conversion_warning to spot operand/result type overflow.
5851 (build_binary_op): Instead, call convert_and_check instead of
5852 convert to report the problem when the operands are promoted.
5853 * c-common.c (unsigned_conversion_warning): Make static.
5854 * c-common.h (unsigned_conversion_warning): Delete prototype.
5856 2006-05-01 Richard Guenther <rguenther@suse.de>
5858 PR tree-optimization/26726
5859 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5861 (find_interesting_uses_address): ... we work around here
5862 by folding INDIRECT_REFs in the substituted base.
5864 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5866 * omp-low.c (dump_omp_region): Add newlines.
5868 2006-04-30 Roger Sayle <roger@eyesopen.com>
5870 * common.opt (Woverflow): New command line option.
5871 * c-common.c (constant_expression_warning): Check warn_overflow.
5872 (overflow_waring): Pass OPT_Woverflow to warning.
5873 (unsigned_conversion_warning): Likewise.
5874 (convert_and_check): Likewise.
5875 * doc/invoke.texi: Document new command line option.
5877 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5879 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5880 TARGET_NO_FP_IN_TOC for section anchors.
5881 (optimization_options): Enable section anchors for all
5882 non-"Objective" languages.
5884 2006-04-28 Eric Christopher <echristo@apple.com>
5886 * config/darwin-c.c (darwin_ms_struct): Move this
5887 (darwin_set_default_type_attributes): and this...
5888 * config/darwin.c: ... here.
5889 * config/darwin.h (darwin_ms_struct): Declare.
5891 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5893 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5895 2006-04-28 Roger Sayle <roger@eyesopen.com>
5898 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5899 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5900 an unsigned HOST_WIDE_INT.
5901 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5903 (really_start_incremental_init): No need to call convert because
5904 bitsize_zero_node is already of type bitsizetype.
5905 (push_init_level): Extract the value of constructor_index as an
5906 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5907 (process_init_element): Likewise.
5909 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5911 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5912 value before passing to make_relative_prefix.
5914 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5917 * builtins.c (expand_builtin_memset): Expand val in original mode.
5919 2006-04-27 Eric Christopher <echristo@apple.com>
5921 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5922 with #ifndef/#endif.
5923 * config/darwin-c.c (darwin_ms_struct): New.
5924 (darwin_pragma_ms_struct): Ditto.
5925 (darwin_set_default_type_attributes): Ditto.
5926 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5927 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5928 Register ms_struct pragma.
5929 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5930 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5931 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5932 darwin_set_default_type_attributes if TARGET_MACHO.
5934 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5936 PR tree-optimization/26854
5937 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5938 * doc/tree-ssa.texi: Update immuse iterator documentation.
5939 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5940 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5941 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5942 first_safe_imm_use, next_safe_imm_use): Remove.
5943 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5944 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5945 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5946 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5947 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5948 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5949 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5950 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5951 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5952 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5953 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5954 (perfect_nestify): Use new iterator.
5955 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5957 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5958 (next_imm_name): New field in struct immediate_use_iterator_d.
5959 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5960 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5961 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5962 * tree-cfg.c (replace_uses_by): Use new iterator.
5963 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5964 * tree-ssa-operands.c (correct_use_link): Remove.
5965 (finalize_ssa_use_ops): No longer call correct_use_link.
5967 2006-04-27 Stuart Hastings <stuart@apple.com>
5969 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5970 * config/t-darwin (crt3.o): Use it.
5971 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5972 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5973 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5974 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5975 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5978 2006-04-27 Roger Sayle <roger@eyesopen.com>
5980 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5981 size, force the intermediate into a new pseudo rather instead of
5982 performing both a bitwise AND and a bitwise IOR in memory.
5984 2006-04-27 Richard Guenther <rguenther@suse.de>
5986 PR rtl-optimization/26685
5987 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5988 this one "max-flow-memory-locations".
5990 2006-04-27 Richard Guenther <rguenther@suse.de>
5992 PR tree-optimization/25148
5993 * tree-vrp.c (compare_values): Remove code dealing with
5994 comparisons against type min/max value. Honour overflow
5995 and negative constants in code dealing with comparisons
5996 of plus and minus expressions.
5997 (value_inside_range): Use fold_binary with LE_EXPR and
5998 GE_EXPR rather than compare_values.
6000 2006-04-27 Dirk Mueller <dmueller@suse.de>
6002 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6005 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6007 * basic-block.h (safe_insert_insn_on_edge): Removed.
6008 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6010 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6011 Paolo Bonzini <bonzini@gnu.org>
6014 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6015 (simplify_and_const_int): Same.
6017 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6019 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6021 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6024 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6025 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6026 cgraph_global_info_ready.
6029 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6032 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6033 either decl or init is error_mark_node.
6036 * tree-flow.h (struct omp_region): Add sched_kind.
6037 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6038 instead of extracting omp for data.
6039 (expand_omp_for): Save extracted sched_kind.
6041 2006-04-25 Roger Sayle <roger@eyesopen.com>
6043 * expmed.c (store_bit_field): Also check whether the bitsize is
6044 valid for the machine's "insv" instruction before moving the
6045 target into a pseudo for use with the insv.
6046 * config/i386/predicates.md (const8_operand): New predicate.
6047 * config/i386/i386.md (extv, extzv, insv): Use the new
6048 const8_operand predicate where appropriate.
6050 2006-04-25 DJ Delorie <dj@redhat.com>
6052 * doc/install.texi (Specific): Clarify that this is not a list of
6053 supported hosts or targets.
6055 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6057 PR rtl-optimization/26725
6058 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6059 block's BB_DIRTY flag.
6061 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6063 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6066 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6067 to print an integer.
6069 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6071 * varasm.c (align_variable): New function.
6072 (get_block_for_decl): Apply align_variable to DECL before
6073 calculating section information.
6074 (assemble_variable): Split out alignment computation.
6076 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6078 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6081 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6083 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6084 MODE_PARTIAL_INT mode.
6085 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6086 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6088 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6089 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6091 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6093 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6095 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6096 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6097 MACFLAG_IH): Likewise.
6098 (movstricthi_1): Renamed from "*movstricthi".
6099 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6100 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6101 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6102 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6103 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6104 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6105 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6106 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6107 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6108 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6109 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6110 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6111 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6112 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6113 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6115 * doc/rtl.texi (ss_ashift): Improve wording.
6117 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6119 * dwarf2out.c (verify_marks_clear): New.
6120 (prune_unused_types): Call verify_marks_clear initially, not
6123 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6125 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6126 * doc/rtl.texi: Document them.
6127 * simplify-rtx.c (simplify_unary_operation,
6128 simplify_binary_operation_1): Don't abort when we see them.
6130 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6133 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6134 * configure.ac: Completely disregard languages that are not
6136 * configure: Regenerated.
6138 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6139 Richard Guenther <rguenther@suse.de>
6141 PR tree-optimization/27236
6142 * tree-inline.c (copy_body_r): Make sure to copy
6143 TREE_THIS_VOLATILE flag.
6145 2006-04-24 Richard Guenther <rguenther@suse.de>
6148 * tree-complex.c (update_parameter_components): Don't handle
6149 unused parameters which have no default def.
6151 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6152 Richard Guenther <rguenther@suse.de>
6154 PR tree-optimization/27218
6155 * tree-inline.c (expand_call_inline): Strip useless type
6156 conversions for the return slot address.
6158 2006-04-24 Richard Guenther <rguenther@suse.de>
6160 * cfgloop.h (struct loops): Remove unused field array. Reorder
6162 (LOOP_PREFETCH): Remove.
6164 2006-04-24 Richard Guenther <rguenther@suse.de>
6166 PR tree-optimization/22525
6167 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6168 variable, adjust types of generated expressions.
6170 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6172 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6173 (tree-vect-patterns.o): Likewise.
6175 (cselib.o): Likewise.
6176 (loop-doloop.o): Likewise.
6177 (regclass.o): Likewise.
6178 (reload1.o): Likewise.
6179 (explow.o): Replace target.h with $(TARGET_H).
6180 (ipa-prop.o): Likewise.
6181 (ipa-cp.o): Likewise.
6182 (ipa-inline.o): Likewise.
6183 (reorg.o): Likewise.
6184 (reg-stack.o): Likewise.
6186 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6188 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6190 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6192 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6194 * configure.ac: Completely disregard languages that are not
6196 * configure: Regenerated.
6199 * c-common.h (c_build_bitfield_integer_type): Declare.
6200 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6201 * c-common.c (c_build_bitfield_integer_type): ... here.
6203 2006-04-23 Roger Sayle <roger@eyesopen.com>
6206 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6207 a SImode SUBREG of a floating point register after no_new_pseudos.
6209 2006-04-23 Roger Sayle <roger@eyesopen.com>
6211 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6212 identify potentially eliminable registers to additionally catch
6213 VIRTUAL_INCOMING_ARGS_REGNUM.
6214 (addsi3): Update the conditions on when to use addsi_small_int.
6216 2006-04-23 Roger Sayle <roger@eyesopen.com>
6219 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6220 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6221 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6223 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6225 * fold-const.c (range_predecessor): Use operand_equal_p
6226 as the predicate for equality.
6227 (range_successor): Likewise.
6229 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6232 * config/soft-fp/op-common.h: Fix a typo.
6234 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6237 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6238 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6240 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6242 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6244 * doc/tm.texi: Fix a typo.
6246 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6248 * dwarf2out.c (struct die_struct): Document that die_sib makes
6249 a circular linked list.
6250 (FOR_EACH_CHILD): New.
6251 (reverse_die_lists): Delete.
6252 (reverse_all_dies): Delete.
6253 (add_dwarf_attr): Correct documentation.
6254 (remove_child_with_prev): New.
6255 (remove_child_TAG): Update for change to die_struct, use
6256 remove_child_with_prev.
6257 (add_child_die): Update for change to die_struct.
6258 (splice_child_die): Use remove_child_with_prev and add_child_die.
6259 (print_die): Use FOR_EACH_CHILD.
6260 (die_checksum): Likewise.
6261 (assign_symbol_names): Likewise.
6262 (output_location_lists): Likewise.
6263 (build_abbrev_table): Likewise.
6264 (calc_die_sizes): Likewise.
6265 (mark_dies): Likewise.
6266 (unmark_dies): Likewise.
6267 (unmark_all_dies): Likewise.
6268 (output_die): Likewise.
6269 (prune_unused_types_mark): Likewise.
6270 (prune_unused_types_walk): Likewise.
6271 (same_die_p): Update for change to die_struct.
6272 (break_out_includes): Likewise.
6273 (prune_unused_types_prune): Likewise.
6274 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6275 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6277 (dwarf2out_finish): Don't call reverse_all_dies.
6279 2006-04-21 Eric Christopher <echristo@apple.com>
6281 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6282 in comments and function names.
6284 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6287 * c-typeck.c (digest_init): Robustify.
6289 * c-typeck.c (pop_init_level): Simplify.
6291 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6293 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6295 2006-04-21 Paul Brook <paul@codesourcery.com>
6297 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6298 hardware floating point.
6300 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6302 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6305 2006-04-21 Nick Clifton <nickc@redhat.com>
6307 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6310 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6313 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6314 C++ lang type in traceback table for Objective-C++.
6316 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6318 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6320 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6322 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6325 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6326 were errors. Remove check for erroneous objects.
6328 2006-04-20 Jeff Law <law@redhat.com>
6330 PR tree-optimization/26854
6331 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6332 checking for zero or one use.
6333 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6334 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6335 * tree-ssa-reassoc.c (negate_value): Similarly.
6336 (reassociate_bb): Similarly.
6338 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6340 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6341 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6342 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6344 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6346 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6347 fp regs if the last fp arg doesn't fit in regs.
6349 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6352 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6353 that the last insn has the REG_INC note.
6355 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6356 Nathan Sidwell <nathan@codesourcery.com>
6359 * stor-layout.c (update_alignment_for_field): Do not align
6361 (place_union_field): Place union field at the start of the union.
6362 (place_field): Move ERROR_MARK check later, and use the current
6363 allocation position to maintain monotonicity.
6365 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6367 * dominance.c: Include timevar.h.
6368 (calculate_dominance_info): Use TV_DOMINANCE.
6369 * timevar.def (TV_DOMINANCE): New timevar.
6370 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6372 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6374 PR rtl-optimization/14261
6375 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6376 move would be an INSV insn.
6377 (noce_process_if_block): Don't optimize if the destination is a
6378 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6380 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6382 * config/s390/s390.md: Add comments with the instructions emitted
6383 by an insn pattern if macros are used.
6385 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6387 PR rtl-optimization/26026
6388 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6389 is a known power of two shifted left a variable amount.
6391 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6393 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6394 to hash table twice when the debug_str section has SECTION_MERGE.
6396 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6398 * config/soft-fp: New directory. From glibc.
6399 * config/soft-fp/t-softfp: New.
6400 * config/soft-fp/README: New.
6401 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6402 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6403 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6404 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6405 * config.gcc: Use rs6000/t-fprules-fpbit or
6406 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6408 * config/rs6000/sfp-machine.h: New. Based on glibc.
6409 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6411 * config/rs6000/t-fprules: Remove fp-bit rules.
6412 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6413 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6414 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6415 (softfp_wrap_start, softfp_wrap_end): New.
6417 2006-04-18 DJ Delorie <dj@redhat.com>
6419 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6421 2006-04-18 Devang Patel <dpatel@apple.com>
6423 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6425 2006-04-18 Nick Clifton <nickc@redhat.com>
6427 * config/sh/t-symbian: Add rule to build sh-c.o
6428 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6429 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6430 (sh_symbian_encode_section_info): Likewise.
6432 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6434 * builtins.c (expand_builtin_strcmp): Cover label definition of
6435 do_libcall with HAVE_cmpstrnsi.
6437 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6439 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6441 * function.h (temp_slot_p): New.
6442 (function): Change the type of x_used_temp_slots to
6443 VEC(temp_slot_p,gc) *.
6445 2006-04-18 Nick Clifton <nickc@redhat.com>
6447 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6448 flag_strength_reduce.
6450 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6452 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6456 Partial revert of revision 112637
6457 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6458 Dale Johannesen <dalej@apple.com>
6461 * regclass.c (struct reg_pref): Update documentation.
6462 (regclass): Set prefclass to NO_REGS if memory is the best option.
6463 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6465 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6467 PR tree-optimization/26821
6468 * tree-ssa-math-opts.c (get_constant_one): New.
6469 (insert_reciprocals): Use it.
6471 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6473 * dwarf2out.c (free_AT): Delete.
6474 (remove_AT): Update string ref counts.
6475 (remove_child_TAG): Don't call free_die.
6477 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6478 or DW_TAG_GNU_EINCL.
6479 (prune_unused_types_walk_attribs): Reset string refcounts.
6480 (prune_unused_types_update_strings): New.
6481 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6482 call free_die. Do call prune_unused_types_update_strings.
6483 (prune_unused_types): Empty debug_str_hash.
6485 2006-04-17 Roger Sayle <roger@eyesopen.com>
6487 * expr.c (expand_assignment): Optimize away no-op moves where the
6488 source and destination are equal and have no side-effects.
6490 2006-04-17 Richard Guenther <rguenther@suse.de>
6493 * reload.c (push_reload): Guard calls to get_secondary_mem
6496 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6498 * alias.c (reg_base_value, old_reg_base_value): Change the
6499 type to VEC(rtx,gc) *.
6500 (REG_BASE_VALUE, find_base_value, record_set,
6501 init_alias_analysis): Use VEC instead of VARRAY.
6503 * alias.c (alias_sets): Change the type to
6504 VEC(alias_set_entry,gc) *.
6505 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6506 VEC instead of VARRAY.
6507 (last_alias_set): Remove.
6509 * cgraph.h (cgraph_edge_p): New.
6510 Update the prototype of cgraph_function_versioning.
6511 * cgraphunit.c (cgraph_copy_node_for_versioning,
6512 cgraph_function_versioning): Use VEC instead of VARRAY.
6513 * ipa-cp.c (ipcp_insert_stage): Likewise.
6515 2006-04-16 Roger Sayle <roger@eyesopen.com>
6518 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6519 "A op B" or "A op C", we may need to convert A to the type of B and C.
6521 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6523 * target.h (struct gcc_target): Add mode_rep_extended.
6524 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6525 (init_num_sign_bit_copies_in_rep): Initialize it using
6527 (truncate_to_mode): Use it.
6528 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6529 * targhooks.h (default_mode_rep_extended): Declare it.
6530 * targhooks.c (default_mode_rep_extended): Define it.
6531 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6532 default_mode_rep_extended.
6533 (TARGET_INITIALIZER): Include it.
6534 * doc/tm.texi (Misc): Document it.
6535 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6536 (mips_truncated_to_mode): New function.
6538 2006-04-16 Roger Sayle <roger@eyesopen.com>
6541 * expr.c (compress_float_constant): Copy the narrow constant into
6542 a new pseudo before extending it to its final width.
6544 2006-04-16 Roger Sayle <roger@eyesopen.com>
6545 Andrew Pinski <pinskia@gcc.gnu.org>
6546 Dale Johannesen <dalej@apple.com>
6549 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6550 special case code to implement V8HImode and V16QImode with SSE2.
6552 2006-04-15 Roger Sayle <roger@eyesopen.com>
6554 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6555 trees are constructed with a suitable tree type.
6557 2006-04-15 Roger Sayle <roger@eyesopen.com>
6559 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6560 (integer_onep): Likewise.
6561 (integer_all_onesp): Likewise.
6562 (integer_pow2p): Likewise.
6563 (integer_nonzerop): Likewise.
6564 (real_zerop): Likewise.
6565 (real_onep): Likewise.
6566 (real_twop): Likewise.
6567 (real_minus_onep): Likewise.
6568 (int_size_in_bytes): Likewise.
6569 (host_integerp): Likewise.
6571 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6573 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6574 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6575 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6577 * tree-ssa-structalias.h (alias_info): Remove num_references.
6579 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6581 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6582 (output_bvb patterns): Likewise.
6583 * pa.c (output_bb): Use 'bb' insn for long branch case.
6584 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6585 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6586 1. Correct length operand for alternatives 1 and 2.
6587 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6588 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6590 2006-04-14 Roger Sayle <roger@eyesopen.com>
6592 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6593 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6594 were accidentally reverted by r112959.
6596 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6599 * except.h (eh_region_outermost): New prototype.
6600 * except.c (eh_region_outermost): New function.
6601 * tree-cfg.c (find_outermost_region_in_block): Use it.
6603 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6605 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6607 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6608 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6609 (init_reload, reload): Use VEC instead of VARRAY.
6610 * reload.h: Update the prototype for
6611 reg_equiv_memory_loc_varray.
6613 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6614 Eric Botcazou <ebotcazou@libertysurf.fr>
6616 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6619 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6622 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6623 to expand fallback builtin function call.
6625 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6628 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6629 and emit libcall here in case the builtin fails.
6630 (expand_builtin_strcmp): Always emit the libcall here on failure.
6632 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6634 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6635 * flow.c (reg_n_info): Change the type to
6636 VEC(reg_info_p,heap) *.
6637 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6639 * regs.h (reg_info_p): New.
6640 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6641 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6642 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6645 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6647 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6649 * params.h (MAX_SCHED_READY_INSNS): New macro.
6650 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6651 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6652 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6653 the ready list for 1 cycle during the first scheduling pass.
6654 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6656 2006-04-13 Richard Henderson <rth@redhat.com>
6659 * gimple-low.c (lower_omp_directive): Remove dead code.
6660 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6661 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6662 * omp-low.c (struct omp_region): Move to tree-flow.h.
6663 (root_omp_region): Export.
6664 (omp_regions, lookup_omp_region): Remove.
6665 (determine_parallel_type): Update for struct omp_region changes.
6666 (dump_omp_region): Dump regions with block numbers.
6667 (new_omp_region): Take type and block instead of stmt; malloc
6669 (free_omp_region_1, free_omp_regions): New.
6670 (expand_parallel_call): Take entry_stmt as argument; update for
6671 changes to omp_region.
6672 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6673 (remove_exit_barriers): New.
6674 (expand_omp_parallel): Update for struct omp_region changes.
6675 (expand_omp_synch): Likewise.
6676 (expand_omp): Likewise.
6677 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6678 (expand_omp_for_static_chunk): Likewise.
6679 (expand_omp_for): Likewise.
6680 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6681 (expand_omp_sections): Similarly, with GOMP_sections_end.
6682 (expand_omp_single): New.
6683 (build_omp_regions_1): Update for OMP_CONTINUE.
6684 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6685 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6686 OMP_SECTIONS_SECTIONS.
6687 (lower_omp_single_simple): Don't emit barrier here.
6688 (lower_omp_single_copy): Likewise.
6689 (lower_omp_single): Fix bindings, and lower to straightline now.
6690 (lower_omp_master, lower_omp_ordered): Likewise.
6691 (lower_omp_critical): Likewise.
6692 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6693 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6694 omp edges, free it afterward.
6695 (make_omp_sections_edges): Remove.
6696 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6697 (move_stmt_r): Handle OMP_CONTINUE.
6698 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6699 statement pointers to basic blocks. Add type member.
6700 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6701 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6702 * tree-inline.c (estimate_num_insns_1): Likewise.
6703 * tree-pretty-print.c (dump_generic_node): Likewise.
6704 * tree-ssa-operands.c (get_expr_operands): Likewise.
6705 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6706 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6707 (OMP_CONTINUE): New.
6708 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6709 (OMP_SECTIONS_SECTIONS): Remove.
6710 (OMP_SECTION_LAST): New.
6711 (OMP_RETURN_NOWAIT): New.
6713 2006-04-13 Roger Sayle <roger@eyesopen.com>
6715 * fold-const.c (native_encode_vector, native_interpret_real):
6716 Correct obvious mistakes in the previous check-in.
6718 2006-04-13 Roger Sayle <roger@eyesopen.com>
6720 * fold-const.c (native_encode_expr): New function to encode
6721 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6722 or VECTOR_CST into a specified buffer.
6723 (native_encode_int): New function.
6724 (native_encode_real): New function.
6725 (native_encode_complex): New function.
6726 (native_encode_vector): New function.
6727 (native_interpret_expr): Inverse of native_encode_expr to convert
6728 a target representation into an INTEGER_CST, REAL_CST etc...
6729 (native_interpret_int): New function.
6730 (native_interpret_real): New function.
6731 (native_interpret_complex): New function.
6732 (native_interpret_vector): New function.
6733 (fold_view_convert_expr): New function to constant fold/evaluate
6734 a VIEW_CONVERT_EXPR of a suitable constant expression.
6735 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6736 Change call of build1 to fold_build1 when constructing a
6739 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6740 Ulrich Weigand <uweigand@de.ibm.com>
6743 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6746 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6749 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6750 optimize to lo_sum for DFmode if !TARGET_FPRS.
6752 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6754 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6755 delete_alias_info, compute_flow_sensitive_aliasing,
6756 group_aliases): Use VEC instead of VARRAY.
6757 * tree-ssa-structalias.c (update_alias_info): Likewise.
6758 * tree-ssa-structalias.h (alias_info): Change the type of
6759 processed_ptrs to VEC(tree,heap) *.
6761 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6764 * config/sh/lib1funcs.h: New file, broken out of:
6765 * config/sh/lib1funcs.asm.
6766 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6768 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6769 * config/sh/lib1funcs-Os-4-200.asm: New file.
6770 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6771 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6772 (EXTRA_MULTILIB_PARTS): Include it.
6773 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6774 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6775 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6776 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6779 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6781 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6782 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6783 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6785 * tree-ssa-live.h: Include vecprim.h.
6786 (tree_partition_associator_d): Change the type of
6787 first_partition to VEC(int,heap) *.
6788 (tpa_first_partition): Use VEC instead of VARRAY.
6790 * Makefile.in (GTFILES): Move functions.h after tree.h.
6791 * function.c (reset_block_changes, record_block_change,
6792 check_block_change, free_block_changes): Use VEC instead of
6794 * function.h (function): Change the type of
6795 ib_boundaries_block to VEC(tree,gc) *.
6796 * tree-inline.c (copy_cfg_body): Initialize
6797 ib_boundaries_block to NULL instead of (varray_type) 0.
6799 2006-04-12 Roger Sayle <roger@eyesopen.com>
6801 * expr.c (emit_group_store): Correct operand order in call to
6802 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6803 a SUBREG_BYTE of zero.
6805 2006-04-12 Richard Guenther <rguenther@suse.de>
6807 * profile.c (compute_branch_probabilities): Remove code
6808 encapsulated in !ir_type (), which are remanents of the
6809 removed RTL profiling code.
6810 * rtl-profile.c: Remove.
6812 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6814 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6815 magic NULL_RTX comment.
6816 (function_arg): Store entire fp arg to mem if any part should go
6818 (rs6000_arg_partial_bytes): Adjust for above change.
6820 2006-04-11 Roger Sayle <roger@eyesopen.com>
6822 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6823 if it hasn't been initialized by dwarf2out_init.
6825 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6827 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6828 symbolic constants in branch patterns.
6830 2006-04-11 Roger Sayle <roger@eyesopen.com>
6832 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6834 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6836 PR rtl-optimization/27073
6837 * gcse.c (try_replace_reg): Revert last change. Continue to search
6838 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6841 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6843 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6844 aggregate types other than record and union types.
6845 (function_arg): Likewise.
6846 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6848 (function_value): In 64-bit mode, return objects that require it
6851 2006-04-11 Roger Sayle <roger@eyesopen.com>
6853 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6855 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6857 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6859 2006-04-03 Jeff Law <law@redhat.com>
6862 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6863 alias information too.
6865 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6867 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6869 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6872 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6873 (premark_used_types_helper): New.
6874 (premark_used_types): New.
6875 (gen_subprogram_die): Call premark_used_types.
6876 (prune_unused_types_walk): Do not prune perennial dies.
6877 * function.c (used_types_insert): New.
6878 * function.h (struct function): Add used_types_hash field.
6879 (used_types_insert): Add prototype.
6880 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6881 * c-parser.c (c_parser_cast_expression): Save casted types in used
6884 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6887 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6888 rs6000_explicit_options.float_gprs.
6890 2006-04-10 Roger Sayle <roger@eyesopen.com>
6892 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6893 from ix86_expand_vector_init_low_nonzero. Take an additional
6894 one_var argument indicating which element is non-zero. Support
6895 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6896 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6897 with one_var instead of ix86_expand_vector_init_low_nonzero.
6899 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6901 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6902 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6903 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6904 build/genextract.o): Depend on vecprim.h.
6905 * cfglayout.c, df-problems.c, function.c, genextract.c,
6906 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6907 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6911 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6913 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6914 Declare VECs of this type.
6915 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6916 (remove_children): Delete.
6917 (add_dwarf_attr): Use VEC routines.
6918 (add_AT_flag): Update for changes to add_dwarf_attr.
6919 (add_AT_int): Likewise.
6920 (add_AT_unsigned): Likewise.
6921 (add_AT_long_long): Likewise.
6922 (add_AT_vec): Likewise.
6923 (add_AT_string): Likewise.
6924 (add_AT_die_ref): Likewise.
6925 (add_AT_fde_ref): Likewise.
6926 (add_AT_loc): Likewise.
6927 (add_AT_loc_list): Likewise.
6928 (add_AT_addr): Likewise.
6929 (add_AT_lbl_id): Likewise.
6930 (add_AT_lineptr): Likewise.
6931 (add_AT_macptr): Likewise.
6932 (add_AT_offset): Likewise.
6933 (add_AT_range_list): Likewise.
6934 (get_AT): Use VEC_iterate.
6935 (remove_AT): Use VEC_ordered_remove.
6936 (free_die): Fold remove_children into here; have it use VEC_iterate.
6937 (print_die): Use VEC_iterate on attrs.
6938 (reverse_die_lists): Don't reverse attr lists.
6939 (die_checksum): Use VEC_iterate on attrs.
6940 (same_die_p): Likewise.
6941 (output_location_lists): Likewise.
6942 (build_abbrev_table): Likewise.
6943 (size_of_die): Likewise.
6944 (unmark_all_dies): Likewise.
6945 (output_abbrev_section): Likewise.
6946 (output_die): Likewise.
6947 (prune_unused_types_walk_attribs): Likewise.
6949 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6951 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6953 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6956 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6958 2006-04-09 Roger Sayle <roger@eyesopen.com>
6960 * expr.c (store_constructor): Don't bother clearing target if
6961 we're about to assign a vector to it using vec_init_optab.
6963 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6965 * tree-ssa-alias.c (lhs_may_store_to): New function.
6966 (recalculate_used_alone): Handle LHS of calls.
6968 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6972 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6973 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6974 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6975 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6976 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6977 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6978 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6979 stubs. Add ".align 8" directives before all ".dword" directives.
6980 (GTHREAD_USE_WEAK): Revise comment.
6981 (TARGET_ATTRIBUTE_WEAK): Define.
6982 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6983 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6984 * stublib.c: New file.
6989 * pa.md (cbranch patterns): Revise arguments used in calls to
6990 output_cbranch, output_bb and output_bvd. Add long branch length
6992 (fbranch patterns): Handle long branches.
6993 (jump): Revise length check. Revise arguments for output_lbranch call.
6994 Add long branch length attributes.
6995 (decrement_and_branch_until_zero): Add long branch length attributes.
6996 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6997 Likewise. Revise arguments for output_parallel_addb and
6998 output_parallel_movb calls.
6999 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7000 output_parallel_movb and output_parallel_addb): Update prototypes.
7001 * pa.c (output_cbranch): Revise arguments. Correct handling of
7002 nullification in long branches.
7003 (output_lbranch): Add new argument to control extraction of delay
7005 (output_bb): Handle long branches.
7006 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7007 output_parallel_addb): Likewise.
7009 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7011 PR rtl-optimization/27073
7012 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7015 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7017 * tree.h (tree_memory_tag): Add old_used_alone.
7018 (SMT_OLD_USED_ALONE): New macro.
7019 * tree-ssa-alias.c (recalculate_used_alone): Stop
7020 marking things for renaming unnecessarily.
7022 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7024 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7025 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7026 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7027 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7028 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7029 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7030 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7031 spelling convensions.
7032 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7033 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7034 typos. Follow spelling conventions.
7036 2006-04-07 DJ Delorie <dj@redhat.com>
7038 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7039 passed on the stack.
7040 (m32c_init_cumulative_args): When a function returns a structure,
7041 always pass the pointer to that return area on the stack.
7042 (m32c_function_arg_advance): Don't increment the parameter number
7043 if we're processing the returned structure pointer.
7044 (pushm_info): Reverse order of registers.
7046 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7048 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7049 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7050 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7051 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7053 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7054 chrec_fold_multiply): Same.
7055 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7056 force_expr_to_var_cost): Same.
7057 * tree-mudflap.c (mf_xform_derefs_1): Same.
7058 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7060 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7062 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7063 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7066 2006-04-07 Jan Hubicka <jh@suse.cz>
7068 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7070 2006-04-07 Richard Guenther <rguenther@suse.de>
7072 PR tree-optimization/26135
7073 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7074 loads for store copy-prop.
7075 (copy_prop_visit_stmt): Likewise.
7077 2006-04-05 Robert Millan <robertmh@gnu.org>
7079 * config/i386/linux.h: Add a comment to mark macros that are
7080 being overriden in config/k*bsd-gnu.h.
7081 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7083 * config/knetbsd-gnu.h: Ditto.
7085 2006-04-06 Jan Hubicka <jh@suse.cz>
7089 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7092 2006-04-06 Mike Stump <mrs@apple.com>
7094 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7095 for HAVE_nonlocal_goto to be consistent.
7096 (expand_builtin_nonlocal_goto): Likewise.
7097 (expand_builtin_strcmp): Use #ifdef instead of #if
7098 for HAVE_cmpstrnsi to be consistent.
7100 2006-04-05 DJ Delorie <dj@redhat.com>
7102 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7105 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7107 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7108 got-relative addressing for anything but SImode.
7110 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7111 even if the calling function doesn't modify them.
7113 2006-04-05 Richard Guenther <rguenther@suse.de>
7115 PR tree-optimization/26919
7116 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7117 to cgraph_estimate_size_after_inlining.
7119 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7121 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7123 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7125 PR tree-optimization/26996
7126 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7127 VECTOR_TYPE variables.
7129 2006-04-05 Richard Guenther <rguenther@suse.de>
7131 PR tree-optimization/26763
7132 * fold-const.c (fold_comparison): Move folding of
7133 PTR + CST CMP PTR + CST ...
7134 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7136 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7138 * doc/install.texi (Prerequisites): Refine some wording on
7139 bootstrapping and ksh.
7140 Move the version numbers of DejaGnu here from the testing section
7141 and fix casing of names.
7142 Fix markup and clarify wording for autogen requirements.
7143 Refer to GCJ instead of just java.
7144 Refer to SVN instead of CVS.
7145 Describe diffutils as useful instead of necessary.
7146 (Downloading the source): Refer to SVN instead of CVS.
7147 Adjust a link to our web site accordingly.
7148 (Configuration): Fix casing of Bison.
7149 (Building): Refer to SVN instead of CVS.
7150 Fix a sentence on the use of Bison and remove duplicate (and
7151 incorrect) version number of Bison requirement.
7152 Remove one redundant list of packages needed for building.
7153 (Specific): Avoid reference to CVS.
7155 2006-04-04 Eric Christopher <echristo@apple.com>
7157 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7158 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7159 (rs6000_handle_struct_attribute): New.
7160 (rs6000_ms_bitfield_layout_p): Ditto.
7162 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7164 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7165 NULL for dso parameter to atexit_common.
7167 2006-04-04 Eric Christopher <echristo@apple.com>
7169 * config/i386/i386.c (machopic_output_stub): Output \t
7170 between instructions and operands.
7172 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7174 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7175 satisfies_constraint_[IL] to explicit tests on value.
7177 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7179 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7180 set_nb_iterations_in_loop): Use build_int_cst instead of
7182 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7183 build_int_cst instead of convert.
7185 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7187 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7188 new value 2 for incoming.
7189 * function.c (expand_function_start): Call struct_value_rtx
7191 * config/sparc/sparc.md: Comment updated_return.
7192 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7193 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7194 struct return if sparc_std_struct_return and incoming is 2.
7195 (print_operand): Do not adjust return if
7196 sparc_std_struct_return.
7198 2006-04-04 Roger Sayle <roger@eyesopen.com>
7200 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7201 convert in the middle-end.
7202 * expr.c (store_expr, store_constructor, get_inner_reference,
7203 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7205 * tree.c (build_range_type): Likewise.
7207 2006-04-04 Tom Tromey <tromey@redhat.com>
7209 * doc/install.texi (Prerequisites): Mention jar.
7211 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7213 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7216 2006-04-04 Matthias Klose <doko@debian.org>
7218 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7222 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7225 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7227 * doc/extend.texi (Function Attributes): Rewrite visibility
7228 attribute documentation.
7229 * doc/invoke.texi (C++ Dialect Options): Rewrite
7230 -fvisibility-inlines-hidden documentation to describe something
7231 entirely different, although in practise compatible.
7232 (Code Gen Options): Warn about system headers in -fvisibility=
7235 * doc/extend.texi (Other Builtins): Document that
7236 __builtin_nan is a compile-time constant only when its argument
7239 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7241 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7242 trying to remove TRUNCATE check if all bits outside the new mode
7243 are identical to the sign bit.
7245 2006-04-03 Jeff Law <law@redhat.com>
7247 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7248 and operand scanning in some common cases.
7250 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7251 Dale Johannesen <dalej@apple.com>
7254 * regclass.c (struct reg_pref): Update documentation.
7255 (regclass): Set prefclass to NO_REGS if memory is the best option.
7256 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7257 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7258 into account. For non-registers, equate an empty preferred
7259 reload class to a `!' in the constraint; move the if clause to
7260 do so after those that reject the insn.
7261 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7263 (find_dummy_reload): Likewise.
7264 * doc/tm.texi (Register Classes): Document what it means
7265 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7266 * config/i386/i386.c (ix86_preferred_reload_class): Force
7267 using SSE registers (and return NO_REGS for floating-point
7268 constants) if math is done with SSE.
7269 (ix86_preferred_output_reload_class): New.
7270 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7271 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7272 * config/i386/i386.md: Remove # register preferences.
7274 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7277 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7278 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7279 the type of nb_iter.
7280 (instantiate_parameters_1): Convert the operands before calling
7281 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7282 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7284 2006-04-02 Roger Sayle <roger@eyesopen.com>
7286 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7287 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7289 * dojump.c (do_jump): Likewise.
7290 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7291 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7292 gimplify_boolean_expr): Likewise.
7293 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7294 * varasm.c (array_size_for_constructor): Likewise.
7295 * tree-object-size.c (compute_object_offset): Likewise.
7297 2006-04-02 Roger Sayle <roger@eyesopen.com>
7300 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7301 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7303 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7305 PR tree-optimization/26939
7306 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7308 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7310 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7311 at_stmt. Convert the type of operands before calling
7312 build_polynomial_chrec.
7313 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7315 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7316 (instantiate_parameters_1): Convert the type of operands before calling
7317 build_polynomial_chrec.
7318 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7319 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7320 reset_evolution_in_loop): Insert asserts to check the types of the
7322 (chrec_type): Moved...
7323 (eq_evolutions_p): Use operand_equal_p.
7324 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7325 the types of the operands.
7326 (chrec_type): ...here.
7327 * tree-data-ref.c (create_data_ref): Convert the operands before
7328 calling chrec_replace_initial_condition.
7329 (same_access_functions, analyze_subscript_affine_affine,
7330 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7331 (compute_subscript_distance, analyze_ziv_subscript,
7332 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7333 analyze_miv_subscript): Convert the operands before calling
7334 chrec_fold_minus or chrec_fold_plus.
7336 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7338 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7339 the dependence_relations vector.
7340 (compute_data_dependences_for_loop): Adjust call to
7341 compute_all_dependences.
7343 2006-04-01 Roger Sayle <roger@eyesopen.com>
7344 Richard Henderson <rth@redhat.com>
7346 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7347 gimple_boolify on the condition before calling gimplify_expr.
7349 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7351 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7352 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7353 the frame size. Update to use the new macros.
7354 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7355 * config/xtensa/ieee754-df.S: Likewise.
7357 2006-03-31 Richard Henderson <rth@redhat.com>
7359 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7360 (make_edges): ... here. Control fallthru creation with a local
7361 variable. Do not play with fake edges.
7362 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7363 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7366 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7368 * dwarf2.h (DW64_CIE_ID): Define.
7369 * dwarf2out.c (DWARF_CIE_ID): Define.
7370 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7371 length header. Use DWARF_CIE_ID.
7372 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7373 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7375 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7377 * config/sh/linux-atomic.asm: New file.
7378 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7380 2006-03-31 DJ Delorie <dj@redhat.com>
7382 * config/m32c/cond.md: Set condition flags properly throughout.
7383 * config/m32c/minmax.md: Likewise.
7384 * config/m32c/prologue.md: Likewise.
7385 * config/m32c/bitops.md: Likewise.
7386 * config/m32c/muldiv.md: Likewise.
7387 * config/m32c/mov.md: Likewise.
7388 * config/m32c/addsub.md: Likewise.
7389 * config/m32c/m32c.md: Likewise.
7390 * config/m32c/jump.md: Likewise.
7391 * config/m32c/shift.md: Likewise.
7393 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7394 conditionally output the pattern for this.
7395 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7396 (m32c_compare_redundant): New.
7397 (m32c_output_compare): New.
7398 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7400 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7401 dest, not src. Allow other 4-byte modes.
7403 2006-03-30 Denis Chertykov <denisc@overta.ru>
7405 * doc/md.texi: Refer to avr/constraints.md instead of
7408 2006-03-30 Roger Sayle <roger@eyesopen.com>
7410 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7411 signed vs. unsigned comparison failures on some hosts.
7413 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7416 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7417 change to FLOAT_REGS.
7419 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7420 (rs6000_override_options): Use it.
7421 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7422 only for -mabi=spe/no-spe and -mabi=altivec.
7424 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7426 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7429 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7431 * Makefile.in: Rename docdir to gcc_docdir.
7433 2006-03-30 Roger Sayle <roger@eyesopen.com>
7436 * expr.c (emit_group_store): Optimize group stores into a pseudo
7437 register by using a paradoxical subreg to initialize the destination
7438 if the first or last member of the group specifies a "low part".
7440 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7443 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7444 * target.h (struct gcc_target.speculate_insn): Change type of the
7445 second parameter to 'int'.
7446 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7447 the second operand of the DEPS_LIST.
7448 (copy_DEPS_LIST_list): Update reference to the second operand of the
7450 * rtl.h (alloc_DEPS_LIST): Update signature.
7451 * sched-int.h (ds_t): Change typedef to 'int'.
7452 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7454 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7456 * haifa-sched.c (try_ready): Change condition to restore
7457 non-speculative pattern of the instruction.
7458 (process_insn_depend_be_in_spec): Code to keep probability of the
7459 speculative dependence non-decreasing.
7461 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7463 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7464 (single_move_for_movmem): ... this. Also change all uses.
7465 (bfin_expand_strmov): Renamed to...
7466 (bfin_expand_movmem): ... this. Also change all uses.
7467 * config/bfin/bfin.md (movstrsi): Renamed to...
7468 (movstrsi): ...this.
7470 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7472 PR tree-optimization/26830
7474 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7475 (copy_prop_visit_stmt): Remove write-only variable ann.
7476 (init_copy_prop): Check variable loop depth here. Do not simulate
7477 memory-tag and virtual operand PHIs except for store copy prop.
7479 2006-03-30 Richard Guenther <rguenther@suse.de>
7481 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7482 variants with double arguments.
7484 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7486 * genpreds.c (write_tm_constrs_h): Delete variable p.
7487 * genconditions.c (write_header): Add tm-constrs.h to included
7489 * genpeep.c (main): Add toplev.h to included headers.
7490 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7491 (build/genpeep.o): Add toplev.h dependency.
7492 * config/rs6000/constraints.md: Add "W" constraint.
7494 2006-03-29 Roger Sayle <roger@eyesopen.com>
7496 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7497 sizes by correctly testing whether the size fits a host integer.
7498 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7499 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7500 SImode range for the default sizetype and bitsizetype.
7502 2006-03-29 Roger Sayle <roger@eyesopen.com>
7504 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7505 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7506 quickly if the argument is already of the correct type.
7507 Call fold_build1 instead of build1. Tidy up blank lines.
7509 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7511 * genemit.c (main): Add tm-constrs.h to included headers.
7512 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7513 * genpeep.c (main): Add tm-constrs.h to included headers.
7514 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7515 (write_tm_constrs_h): this and write complete file.
7516 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7517 (write_insn_preds_c): Add tm-constrs.h to included headers.
7518 (gen_constrs): New variable.
7519 (parse_option): Parse "-c".
7520 (main): Invoke write_tm_constrs_h.
7521 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7522 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7523 (object_out_file): Add tm-constrs.h dependency.
7524 (insn-emit.o): Same.
7525 (insn-output.o): Same.
7526 (insn-peep.o): Same.
7527 (insn-preds.o): Same.
7528 (insn-recog.o): Same.
7529 (tm-constsr.h): New target.
7530 (s-constrs-h): New target.
7532 * config/rs6000/constraints.md: New file.
7533 * config/rs6000/rs6000.c: Include tm-constrs.h.
7534 (num_insn_constant_wide): Convert to satisfies_constraint.
7535 (rs6000_rtx_costs): Convert to satisfies_constraint.
7536 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7537 (CONST_OK_FOR_LETTER_P): Delete.
7538 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7539 (EXTRA_CONSTRAINT): Delete.
7540 (EXTRA_MEMORY_CONSTRAINT): Delete.
7541 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7542 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7543 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7544 satisfies_constraint.
7546 * config/i386/i386.c: Include tm-constrs.h.
7548 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7550 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7551 * tree-data-ref.c (find_data_references_in_loop,
7552 compute_data_dependences_for_loop): Use pointers to VEC.
7553 (analyze_all_data_dependences): Adjust calls.
7554 * tree-data-ref.h (find_data_references_in_loop,
7555 compute_data_dependences_for_loop): Adjust declarations.
7556 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7557 compute_data_dependences_for_loop.
7559 2006-03-29 Paul Brook <paul@codesourcery.com>
7561 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7564 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7566 PR tree-optimization/26859
7567 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7569 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7570 for the step after fold_convert.
7572 2006-03-29 Paul Brook <paul@codesourcery.com>
7574 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7575 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7577 2006-03-29 Paul Brook <paul@codesourcery.com>
7580 * targhooks.c (default_narrow_bitfield): New fuction.
7581 * targhooks.h (default_narrow_bitfield): add prototype.
7582 * target.h (gcc_target): Add narrow_volatile_bitfield.
7583 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7584 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7585 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7586 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7588 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7590 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7592 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7593 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7594 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7595 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7596 (s390_function_arg_float): Allow SDmode and DDmode values to be
7597 passed in floating point registers.
7598 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7599 check with SCALAR_FLOAT_MODE_P.
7600 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7602 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7604 PR tree-optimization/25985
7605 * tree-ssa-loop-niter.c (number_of_iterations_le,
7606 number_of_iterations_ne): Make comments more precise.
7607 (number_of_iterations_cond): Add only_exit argument. Use the
7608 fact that signed variables do not overflow only when only_exit
7610 (loop_only_exit_p): New.
7611 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7612 number_of_iterations_cond.
7614 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7616 PR tree-optimization/26643
7617 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7620 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7622 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7623 (divsi3_i4_int): Likewise.
7625 2006-03-28 Roger Sayle <roger@eyesopen.com>
7627 * expr.c (emit_group_store): Only create a new pseudo reg if the
7628 quantity it needs to hold isn't already a suitable pseudo.
7630 2006-03-28 Jeff Law <law@redhat.com>
7632 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7633 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7635 2006-03-28 Roger Sayle <roger@eyesopen.com>
7637 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7638 the equivalent ~X & Y, and the symmetry related transformations.
7639 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7640 ~X & Y, and symmetry related transforms.
7642 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7644 Revert my 2006-03-27 patches.
7646 2006-03-28 Roger Sayle <roger@eyesopen.com>
7648 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7649 ~(T1)X, when T1 and T2 are integer types of the same precision
7650 and (T2)X isn't an extension.
7652 2006-03-28 Jeff Law <law@redhat.com>
7654 PR tree-optimization/26796
7655 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7656 need EH edge cleanups rather than purging them immediately.
7657 (eliminate_degenerate_phis): Handle queued EH cleanups.
7659 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7661 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7664 2006-03-27 Roger Sayle <roger@eyesopen.com>
7667 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7668 cast BIT_NOT_EXPR operand to the correct type.
7670 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7672 * tree-loop-linear.c: Don't include varray.h.
7673 (gather_interchange_stats, try_interchange_loops,
7674 linear_transform_loops): Use VEC instead of VARRAY.
7675 * lambda-mat.c: Don't include varray.h.
7676 * tree-chrec.c: Same.
7677 * lambda-trans.c: Same.
7678 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7679 VEC instead of VARRAY.
7680 * tree-vectorizer.h: Idem.
7681 * tree-data-ref.c (dump_data_references,
7682 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7683 initialize_data_dependence_relation, finalize_ddr_dependent,
7684 compute_all_dependences, find_data_references_in_loop,
7685 compute_data_dependences_for_loop, analyze_all_data_dependences,
7686 free_dependence_relation, free_dependence_relations,
7687 free_data_refs): Idem.
7688 * tree-data-ref.h (data_reference_p, subscript_p): New.
7689 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7690 VEC instead of VARRAY.
7691 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7692 (find_data_references_in_loop, compute_data_dependences_for_loop,
7693 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7694 dump_data_dependence_relations, free_dependence_relations,
7695 free_data_refs): Adjust declaration.
7696 (lambda_transform_legal_p): Move declaration here...
7697 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7698 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7699 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7700 vect_analyze_data_refs): Use VEC instead of VARRAY.
7701 * lambda.h (lambda_transform_legal_p): ...from here.
7702 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7703 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7704 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7705 tree-chrec.o): Don't depend on VARRAY_H.
7707 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7709 * rtl.def (Copyright): Update date.
7710 (DEPS_LIST): Change type of the second operand to 'int'.
7711 * target.h (Copyright): Update date.
7712 (struct gcc_target.speculate_insn): Change type of the second parameter
7714 * lists.c (Copyright): Update date.
7715 (alloc_DEPS_LIST): Change signature. Update reference to the second
7716 operand of the DEPS_LIST.
7717 (copy_DEPS_LIST_list): Update reference to the second operand of the
7719 * rtl.h (Copyright): Update date.
7720 (alloc_DEPS_LIST): Update signature.
7721 * sched-int.h (Copyright): Update date.
7722 (ds_t): Change typedef to 'int'.
7723 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7725 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7727 * haifa-sched.c (Copyright): Update date.
7728 (try_ready): Change condition to restore non-speculative pattern
7730 (process_insn_depend_be_in_spec): Code to keep probability of the
7731 speculative dependence non-decreasing.
7733 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7735 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7736 shut up the compiler.
7738 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7740 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7741 to use lib prefix for target.
7742 ($(T)libic_invalidate_array_4-200.a): Likewise.
7743 ($(T)libic_invalidate_array_4a.a): Likewise.
7745 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7746 J"orn Rennecke <joern.rennecke@st.com>
7748 * superh.opt: New file.
7749 * sh.c (boardtype, osruntime): Remove.
7750 * superh.h (SUBTARGET_OPTIONS): Remove.
7751 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7753 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7754 arguments with ^ and/or [].
7756 * config.gcc (sh-*-*): Add quoting to account for quirk of
7758 Replace == with = in enable_incomplete_targets test.
7760 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7761 with MASK_LITTLE_ENDIAN.
7763 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7764 * config/sh/sh.opt: Added to some comments.
7765 * config/sh/superh.h: Removed some chaff.
7767 * config/sh/sh.opt: Add m4-[1234]00* options.
7768 * config/sh/sh.c (sh_handle_option): Likewise.
7769 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7770 (ic_invalidate_array_4-100.o): New rule.
7771 ($(T)libic_invalidate_array_4-100.a): Likewise.
7772 (ic_invalidate_array_4-200.o): Likewise.
7773 ($(T)libic_invalidate_array_4-200.a): Likewise.
7774 (ic_invalidate_array_4a.o): Likewise.
7775 ($(T)libic_invalidate_array_4a.a): Likewise.
7776 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7777 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7779 * config/sh/crt1.asm: Merged in profiling code.
7780 * config/sh/superh.h (STARTFILE_SPEC): Override.
7781 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7782 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7783 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7785 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7786 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7787 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7789 * sh.opt (mpretend-cmove): New option.
7790 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7791 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7792 (movsicc): Add TARGET_PRETEND_CMOVE code.
7794 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7796 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7797 s390_class_max_nregs): New function prototypes.
7798 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7799 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7800 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7801 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7803 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7805 * dwarf2out.c (add_location_or_const_value_attribute): Call
7806 tree_add_const_value_attribute if nothing else works.
7807 (reference_to_unused): New.
7808 (rtl_for_decl_init): Use reference_to_unused to decide whether
7809 to output an initializer.
7811 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7814 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7815 peephole removing spe frob_di_df_2.
7817 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7819 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7820 (subscript_dependence_tester_1): Declared.
7821 (print_dir_vectors, print_dist_vectors): New.
7822 (debug_data_dependence_relation): New.
7823 (dump_data_dependence_relation): Print more details.
7824 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7825 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7826 (save_dist_v, save_dir_v, add_outer_distances,
7827 build_classic_dist_vector_1): New.
7828 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7829 Don't test for lambda_vector_lexico_pos.
7830 (same_access_functions, add_multivariate_self_dist,
7831 add_other_self_distances, dir_from_dist): New.
7832 (build_classic_dir_vector): Replace implementation almost identical to
7833 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7835 (subscript_dependence_tester_1): New.
7836 (subscript_dependence_tester): Handle the lexicographically negative
7837 distance vectors by recomputing the dependence relation.
7838 (compute_affine_dependence): Remove parameter loop_nest_depth.
7839 (compute_self_dependence): Don't call compute_subscript_distance.
7840 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7841 Add a parameter for the loop_nest.
7842 (find_loop_nest_1, find_loop_nest): New.
7843 (compute_data_dependences_for_loop): Compute the loop nest, and give
7844 up if the nest is not well formed.
7845 * tree-data-ref.h (loop_p): New.
7846 (struct data_dependence_relation): Replace size_vect field with
7847 loop_nest, a vec of loops.
7848 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7849 (DDR_LOOP_NEST): New.
7850 (print_dir_vectors, print_dist_vectors,
7851 debug_data_dependence_relation): Declared.
7852 (index_in_loop_nest): New.
7853 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7854 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7857 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7859 * simplify-rtx.c (simplify_relational_operation): Call
7860 simplify_relational_operation_1 even if mode is VOIDmode.
7862 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7864 PR tree-optimization/26804
7865 * tree.h (DECL_CALL_CLOBBERED): New macro.
7866 (tree_decl_common): Add call_clobbered_flag.
7867 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7868 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7869 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7870 (mark_non_addressable): Ditto.
7871 * tree-ssa.c (verify_call_clobbered): New function.
7872 (verify_alias_info): Use it.
7873 * tree-pass.h (pass_reset_cc_flags): New prototype.
7874 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7875 (reset_cc_flags): New function.
7876 * passes.c (init_optimization_passes): Call reset_cc_flags after
7877 initializing referenced_vars.
7879 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7880 Roger Sayle <roger@eyesopen.com>
7883 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7884 to 1.0 for non-real operands. Implement A / A optimization for
7887 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7889 * config/i386/i386.c (size_cost): Correct the comment for
7890 cost of storing fp registers.
7891 (i386_cost): Likewise.
7892 (i486_cost): Likewise.
7893 (pentium_cost): Likewise.
7894 (pentiumpro_cost): Likewise.
7895 (k6_cost): Likewise.
7896 (athlon_cost): Likewise.
7897 (k8_cost): Likewise.
7898 (pentium4_cost): Likewise.
7899 (nocona_cost): Likewise.
7900 (generic64_cost): Likewise.
7901 (generic32_cost): Likewise.
7903 2006-03-24 Denis Chertykov <denisc@overta.ru>
7905 * config/avr/avr-protos.h (extra_constraint): Delete.
7906 (extra_constraint_Q): New declaration.
7907 * config/avr/constraints.md: New file.
7908 * config/avr/avr.md: Include it.
7909 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7910 (TMP_REGNO, ZERO_REGNO): Likewise.
7911 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7912 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7913 (extra_constraint): Delete.
7914 (extra_constraint_Q): Test for memory constraint 'Q'.
7915 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7916 (REG_CLASS_FROM_LETTER): Delete.
7917 (CONST_OK_FOR_LETTER_P): Delete.
7918 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7919 (EXTRA_CONSTRAINT): Delete.
7920 (TMP_REGNO): Delete.
7921 (ZERO_REGNO): Delete.
7923 2006-03-24 Jeff Law <law@redhat.com>
7925 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7926 directly. Call mark_new_vars_to_rename slightly earlier.
7928 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7930 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7932 (gen_compile_unit_die): Use new language types for Objective-C and
7934 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7935 DW_LANG_C_plus_plus.
7938 * config/t-darwin (crt3.o): Work around bug 26840.
7939 * config/darwin-crt3.c: Rewrite.
7940 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7942 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7944 * doc/invoke.texi: Document -femit-class-debug-always
7945 * common.opt: Add -femit-class-debug-always.
7947 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7949 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7950 index and base register.
7951 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7952 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7953 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7954 REGNO_OK_FOR_INDEX_P.
7955 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7957 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7958 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7959 REG_OK_FOR_BASE_P): Definitions removed.
7961 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7964 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7965 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7966 set yet or weren't marked as local yet.
7968 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7970 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7973 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7975 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7976 (rs6000_legitimate_small_data_p): Delete.
7977 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7978 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7979 and make static. Add forward declaration. Update uses.
7980 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7981 of offsettable_memref_p.
7982 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7983 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7985 2006-03-24 Jeff Law <law@redhat.com>
7987 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7988 around bug in immediate-use iterator.
7990 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7993 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7994 or __LITTLE_ENDIAN__.
7996 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7998 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7999 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8000 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8001 * config/sh/sh.opt (mdiv=): Amend description.
8002 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8003 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8004 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8005 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8006 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8007 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8008 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8009 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8010 TARGET_DIVIDE_CALL_FP.
8012 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8014 * haifa-sched.c (choose_ready): Fix type of the local variable.
8015 Move local variables. Add comment.
8016 (check_reg_live): Change signature. Make callable from debugger.
8017 * sched-int.h (check_reg_live): Update signature.
8018 * sched-ebb.c (check_reg_live): Update parameters.
8019 * sched-rgn.c (check_reg_live): Ditto.
8020 (region_head_or_leaf_p): Check pointer before dereferencing.
8021 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8022 before reload on optimization levels below 1.
8024 2006-03-23 Richard Henderson <rth@redhat.com>
8026 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8030 * config/alpha/predicates.md (local_symbolic_operand): Reject
8033 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8036 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8037 expressions which have overflowed constants.
8039 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8041 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8043 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8045 * cfgloopmanip.c (create_loop_notes): Removed.
8046 * final.c (final_scan_insn): Do not handle loop notes.
8047 * jump.c (squeeze_notes): Ditto.
8048 * cfglayout.c (skip_insns_after_block,
8049 duplicate_insn_chain): Ditto.
8050 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8052 * cfgloop.h (create_loop_notes): Declaration removed.
8054 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8056 * varasm.c (output_constant_pool): Restore fnname and fndecl
8058 (assemble_start_function): Adjust call accordingly.
8059 (assemble_end_function): Likewise.
8061 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8064 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8067 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8069 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8072 * system.h (ICE_EXIT_CODE): New macro.
8073 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8074 (diagnostic_action_after_output): Likewise.
8075 * gcc.c (fatal_ice): New function.
8076 (execute): Use it instead of fatal.
8077 (fancy_abort): Likewise.
8078 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8080 2006-03-22 Jeff Law <law@redhat.com>
8082 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8083 iv_analyze_result returning false.
8085 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8087 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8089 2006-03-22 Richard Henderson <rth@redhat.com>
8092 * except.c (duplicate_eh_regions_0): New.
8093 (duplicate_eh_region_1): Duplicate the children of the node as
8094 well as the node itself. Link them up properly.
8095 (duplicate_eh_region_2): Merge into ...
8096 (duplicate_eh_regions): ... here. Take copy_region argument, and
8097 copy only a sub-tree if asked. Simplify copying and fixup.
8098 (eh_region_outer_p): New.
8099 * except.h (duplicate_eh_regions): Update decl.
8100 (eh_region_outer_p): Declare.
8101 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8102 (lower_omp_master): Likewise.
8103 (lower_omp_ordered): Likewise.
8104 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8105 (move_stmt_r): Use it to remap labels. Handle recursion vs
8106 remap_decls_p properly.
8107 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8108 (find_outermost_region_in_block): New.
8109 (new_label_mapper): New.
8110 (move_sese_region_to_fn): Copy eh information to the new function
8112 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8114 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8117 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8119 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8120 into shared libraries.
8122 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8124 * doc/md.texi: Refer to i386/constraints.md instead of
8126 * config/i386/constraints.md: New file, extracted from...
8127 * config/i386/predicates.md: ...here.
8128 * config/i386/i386.md: Include constraints.md.
8130 2006-03-21 Jason Merrill <jason@redhat.com>
8132 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8135 * expr.c (init_block_move_fn): Force default visibility.
8136 (init_block_clear_fn): Likewise.
8137 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8138 * targhooks.c (default_external_stack_protect_fail): Likewise.
8140 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8142 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8143 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8144 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8145 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8146 (loadgp): Use mips_current_loadgp_style.
8147 (loadgp_noshared): New pattern.
8148 (sibcall_internal): Use MIPS_CALL.
8149 (sibcall_value_internal): Likewise.
8150 (sibcall_value_multiple_internal): Likewise.
8151 (call_internal): Likewise.
8152 (call_value_internal): Likewise.
8153 (call_value_multiple_internal): Likewise.
8154 (call_split): Use MIPS_CALL and add an 'S' constraint.
8155 (call_value_split): Likewise.
8156 (call_value_multiple_split): Likewise.
8157 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8158 (-mshared): New option.
8159 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8160 (mips_current_loadgp_style): Declare.
8161 * config/mips/mips.c (mips_classify_symbol): Avoid using
8162 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8163 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8164 TARGET_ABSOLUTE_ABICALLS.
8165 (override_options): Adjust comments. Improve the warning that is
8166 issued when -mabicalls and -G are used together.
8167 (mips_file_start): Remove comment.
8168 (mips_current_loadgp_style): New function.
8169 (mips_gnu_local_gp): New variable.
8170 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8172 (mips_output_function_prologue): Use mips_current_laodgp_style.
8173 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8174 the cprestore instruction.
8175 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8176 live for TARGET_ABSOLUTE_ABICALLS.
8177 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8178 (ASM_SPEC): Pass down -mshared and -mno-shared.
8179 (MIPS_CALL): New macro.
8180 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8182 * doc/invoke.texi (-mabicalls): Update documentation.
8183 (-mshared): Document.
8185 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8187 * config/ia64/unwind-hpux.c: New file.
8188 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8190 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8193 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8195 2006-03-21 Jeff Law <law@redhat.com>
8197 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8198 type conversions of a VR_VARYING source to a wider type.
8200 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8202 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8203 tm_file on Solaris 10 and later.
8204 (sparc64-*-solaris2*): Likewise.
8205 (sparc-*-solaris2*): Likewise.
8206 * config/sol26.h: Rename to config/sol2-6.h.
8207 * config/sol2-10.h: New file.
8209 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8212 * tree-ssa-pre.c (create_component_ref_by_pieces):
8215 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8218 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8219 return it immediately.
8221 2006-03-21 Michael Matz <matz@suse.de>
8223 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8225 (remove_arc, add_arc): Update num_out_arcs member.
8226 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8228 (cache_presence): New function.
8229 (compare_states_for_equiv): New function.
8230 (state_is_differed): Don't take number of outargs, adjust callers.
8231 Use new invariant for speeding up.
8232 (init_equiv_class): Create initial classes based on sorted
8234 (partition_equiv_class): Don't track out_arcs_num.
8235 (evaluate_equiv_classes): Call cache_presence on all states and
8238 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8240 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8241 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8242 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8243 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8245 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8246 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8247 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8248 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8249 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8251 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8252 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8253 (REGNO_REG_CLASS): ARGP is in PREGS.
8254 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8256 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8257 to deal with those addresses.
8258 * addresses.h: New file.
8259 * caller-save.c: Include "addresses.h".
8260 (init_caller_save): Use new base_reg_class function.
8261 * rtl-factoring.c: Include "addresses.h".
8262 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8263 * recog.c: Include "addresses.h".
8264 (preprocess_constraints): Use new base_reg_class function.
8265 * regrename.c: Include "addresses.h".
8266 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8267 functions. Keep track of a new var INDEX_CODE to compute valid
8269 (replace_oldest_value_addr): Likewise.
8270 (replace_oldest_value_mem): Use base_reg_class.
8271 * reload.c: Include "addresses.h".
8272 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8273 (find_reloads): Use new base_reg_class function.
8274 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8275 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8276 all callers and prototype changed.
8277 * reload1.c: Include "addresses.h".
8278 (maybe_fix_stack_asms): Use base_reg_class.
8279 * regclass.c: Include "addresses.h".
8280 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8281 (init_reg_autoinc): Use new base_reg_class function.
8282 (record_reg_classes): Likewise.
8283 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8284 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8285 Use new args to compute necessary class.
8287 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8288 regrename.o, rtl-factoring.o): Update dependencies.
8289 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8290 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8291 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8292 REG_OK_FOR_INDEX_P): Delete documentation.
8294 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8296 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8297 from V7 to V9 for Solaris 7 and above.
8299 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8301 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8302 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8303 argument pointers may not alias any other storage.
8304 * common.opt: Define option -fargument-noalias-anything.
8305 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8306 alias semantics is specified by flag_argument_noalias > 2.
8308 2006-03-20 Jeff Law <law@redhat.com>
8310 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8311 (pass_phi_only_cprop): Declare.
8312 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8314 * tree-ssa-dom.c (degenerate_phi_result): New function.
8315 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8316 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8317 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8318 (eliminate_degenerate_phis): Likewise.
8319 (pass_phi_only_cprop): New pass descriptor.
8320 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8321 support code. Callers updated.
8322 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8323 (store_copy_prop): Likewise.
8324 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8326 2006-03-20 Jason Merrill <jason@redhat.com>
8329 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8330 (push_visibility, pop_visibility): Likewise.
8331 * c-pragma.h: Declare them.
8333 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8335 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8337 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8338 parameter and use get_ebb_head_tail.
8339 (sh_md_init_global): Adjust uses of find_regmode_weight.
8341 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8343 * function.h (struct function) <x_tail_recursion_reentry>:
8344 Rename to x_stack_check_probe_note.
8345 (tail_recursion_reentry): Rename to stack_check_probe_note.
8346 * function.c: Replace tail_recursion_reentry with
8347 stack_check_probe_note everywhere.
8348 (expand_function_start): Only emit a note for
8349 stack_check_probe_note with -fstack-protect.
8350 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8352 * emit-rtl.c (remove_unnecessary_notes): Remove.
8353 (pass_remove_unnecessary_notes): Remove.
8354 * rtl.h (remove_unnecessary_notes): Remove prototype.
8355 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8356 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8357 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8359 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8362 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8363 (valid_in_set): Handle ARRAY_REF.
8364 Change "if min_variant or VH" to asserts.
8365 (create_component_ref_by_pieces): Handle ARRAY_REF.
8366 (create_expression_by_pieces): Likewise.
8367 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8369 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8371 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8372 is operand of switch, not str[0].
8374 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8376 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8377 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8379 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8381 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8382 end of insn_extra_address_constraint declaration.
8384 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8386 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8387 (no-sum-in-toc): Same.
8388 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8390 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8391 NO_FP_IN_TOC for -fPIC instead of mask.
8393 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8394 (BOOT_LDFLAGS): Delete.
8396 * config/rs6000/t-aix52: Same.
8398 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8399 (stmsi[345678]_power): New.
8401 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8403 * config/ia64/ia64.opt: Add empty line to end of file.
8405 2006-03-17 Richard Guenther <rguenther@suse.de>
8408 * builtins.c (get_pointer_alignment): For component style references
8409 adjust alignment to the component type alignment. Make sure
8410 to adjust alignment for component access of constants.
8412 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8414 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8417 2006-03-17 Paul Brook <paul@codesourcery.com>
8419 * doc/install.texi: Docuemnt --with-mode.
8420 * config.gcc: Add --with-mode for arm*-*-*.
8421 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8423 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8425 * sh.c (max_labelno_before_reorg): New variable.
8426 (sh_reorg): Initialize it.
8427 (find_barrier): Check max_labelno_before_reorg before using
8428 label_to_alignment. Take length of explicit alignment insns
8429 into account. When seeing a UNSPECV_CONST_END, return it.
8431 * sh.c (fixup_mova): Set mode of affected label to QImode.
8432 (untangle_mova): New function.
8433 (find_barrier): Use it. Check mode of label before decrementing
8435 (sh_reorg): Likewise.
8436 Set mode of all insns back to VOIDmode.
8438 * sh.c (MOVA_LABELREF): New macro.
8439 (mova_p, fixup_mova, sh_reorg): Use it.
8440 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8441 ADDR_DIFF_VEC matches mova.
8443 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8445 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8446 with ATTRIBUTE_UNUSED.
8448 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8450 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8451 pointer, instead of assuming it is possible to derive the
8452 correct args size from a call insn.
8454 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8456 * rtl.h (CONST_INT_P): Define.
8457 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8458 instead of GET_CODE(x) == CONST_INT.
8459 (vax_rtx_costs): Likewise.
8460 (vax_output_int_move): Likewise.
8461 (vax_output_int_add): Likewise.
8462 (legitimate_constant_address_p): Likewise.
8463 (index_term_p): Likewise.
8464 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8465 * config/vax/vax.md (and<mode>3): Likewise.
8466 (ashrsi3): Likewise.
8468 (movstricthi): Likewise.
8469 (movstrictqi): Likewise.
8470 (rotrsi3): Likewise.
8471 (five unnamed insns): Likewise.
8473 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8475 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8476 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8477 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8478 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8479 Pass to ASM_OUTPUT_DWARF_OFFSET.
8480 * dwarf2out.c (debug_frame_section): New.
8481 (output_call_frame_info): Use debug_frame_section. Pass it to
8482 dw2_asm_output_offset.
8483 (output_die): Pass appropriate section to dw2_asm_output_offset.
8484 (output_compilation_unit_header): Likewise.
8485 (output_pubnames): Likewise.
8486 (output_aranges): Likewise.
8487 (enum dw_val_class): Break dw_val_class_lbl_offset into
8488 dw_val_class_lineptr and dw_val_class_macptr.
8489 (add_AT_lbl_offset): Delete.
8490 (add_AT_lineptr): New.
8491 (add_AT_macptr): New.
8492 (AT_lbl): Expect a lineptr or macptr.
8493 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8494 (attr_checksum): Likewise.
8495 (same_dw_val_p): Likewise.
8496 (size_of_die): Likewise.
8497 (value_format): Likewise.
8498 (output_die): Likewise.
8499 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8501 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8502 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8503 * config/darwin-protos.h (darwin_file_start): New.
8504 (darwin_asm_output_dwarf_offset): New.
8505 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8506 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8508 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8509 if not EH section; simplify.
8510 (darwin_file_start): New.
8511 (darwin_asm_output_dwarf_offset): New.
8512 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8514 (DEBUG_INFO_SECTION): Likewise.
8515 (DEBUG_ABBREV_SECTION): Likewise.
8516 (DEBUG_ARANGES_SECTION): Likewise.
8517 (DEBUG_MACINFO_SECTION): Likewise.
8518 (DEBUG_LINE_SECTION): Likewise.
8519 (DEBUG_LOC_SECTION): Likewise.
8520 (DEBUG_PUBNAMES_SECTION): Likewise.
8521 (DEBUG_STR_SECTION): Likewise.
8522 (DEBUG_RANGES_SECTION): Likewise.
8523 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8524 (ASM_OUTPUT_DWARF_OFFSET): New.
8526 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8528 * config.gcc (tm_defines): Always add to previous value rather
8531 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8533 * config/mips/predicates.md (splittable_const_int_operand): New,
8534 split from move_operand.
8535 (splittable_symbolic_operand): New.
8536 (move_operand): Add commentary. Use splittable_const_int_operand.
8537 Inline mips_atomic_symbolic_constant_p.
8538 * config/mips/mips.md: Add combine splitters for handling moves
8539 of splittable_const_int_operands and splittable_symbolic_operands.
8540 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8541 (mips_split_symbol): Declare.
8542 (mips_move_integer): Declare.
8543 * config/mips/mips.c (mips_split_p): Make global.
8544 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8545 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8546 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8547 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8548 (mips_offset_within_object_p): Handle block symbols.
8549 (mips_atomic_symbolic_constant_p): Delete.
8550 (mips_cannot_force_const_mem): Return false for constants that
8551 mips_legitimize_move can handle.
8552 (mips_use_blocks_for_constant_p): New function.
8553 (mips_split_symbol): Make global.
8554 (mips_move_integer): Likewise. Add a temporary register argument.
8555 (mips_legitimize_const_move): Use splittable_const_int_operand and
8556 splittable_symbolic_operand.
8557 (mips_use_anchors_for_symbol_p): New function.
8558 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8559 (mips_split_p): Declare.
8561 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8563 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8564 (mips*-*-linux*): Likewise.
8566 2006-03-16 Roger Sayle <roger@eyesopen.com>
8567 Daniel Speyer <dspeyer@wam.umd.edu>
8570 * tree-dump.c (dump_real): New function.
8571 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8572 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8573 (tree-dump.o): Add $(REAL_H) to the dependencies.
8575 2006-03-16 Roger Sayle <roger@eyesopen.com>
8578 * real.c (real_from_string): If the mantissa is zero, don't bother
8579 parsing the exponent as the result should always be zero.
8581 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8583 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8585 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8587 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8588 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8589 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8590 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8591 ia64_sched_finish_global): New static functions to implement
8592 hooks from gcc_target.sched.
8593 (spec_check_no, max_uid, pending_data_specs): New static variables.
8594 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8595 ia64_spec_check_src_p): New static functions.
8596 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8597 (TARGET_SCHED_ADJUST_COST): Removed.
8598 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8599 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8600 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8601 TARGET_SCHED_GEN_CHECK,
8602 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8603 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8604 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8605 Fixed to handle speculation checks.
8606 (rtx_needs_barrier): Fixed to handle speculative loads and
8608 (ia64_variable_issue): Added code to count speculative loads and their
8610 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8612 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8614 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8616 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8617 (ia64_reorg): Reset stops_p to NULL after it is freed.
8618 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8619 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8620 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8622 (data_speculative, control_speculative, check_load): New attributes.
8623 (mov<mode>_advanced, mov<mode>_speculative,
8624 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8625 zero_extend<mode>di2_speculative,
8626 zero_extend<mode>di2_speculative_advanced): New patterns for
8627 data and control speculative loads.
8628 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8630 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8631 New pattern for data and control speculation checks.
8632 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8633 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8634 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8635 Auxiliary definitions for the patterns.
8636 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8637 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8639 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8641 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8642 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8643 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8644 New resource constraints.
8645 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8647 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8648 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8649 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8650 msched-in-control-spec, msched-ldc, msched-control-ldc,
8651 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8652 msched-prefer-non-control-spec-insns,
8653 msched-count-spec-in-critical-path): New flags to tune speculative
8655 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8656 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8657 msched-in-control-spec, msched-ldc, msched-control-ldc,
8658 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8659 msched-prefer-non-control-spec-insns,
8660 msched-count-spec-in-critical-path): Document new flags.
8662 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8664 * target.h (struct spec_info_def): New opaque declaration.
8665 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8666 speculate_insn, needs_block_p, gen_check,
8667 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8668 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8669 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8670 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8671 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8672 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8674 (TARGET_SCHED): Use new macros.
8675 * rtl.h (copy_DEPS_LIST_list): New prototype.
8676 * sched-int.h (struct sched_info): Change signature of new_ready field,
8677 adjust all initializations. New fields: add_remove_insn,
8678 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8679 region_head_or_leaf_p.
8680 (struct spec_info_def): New structure declaration.
8681 (spec_info_t): New typedef.
8682 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8683 recovery_block, orig_pat.
8684 (glat_start, glat_end): New variables declaraions.
8685 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8687 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8688 DETACH_LIFE_INFO, USE_GLAT.
8689 (enum SPEC_SCHED_FLAGS): New enumeration.
8690 (NOTE_NOTE_BB_P): New macro.
8691 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8692 attach_life_info, debug_spec_status, check_reg_live): New functions.
8693 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8694 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8696 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8697 * ddg.c (get_block_head_tail): Adjust all uses.
8698 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8699 (sms_sched_info): Initialize new fields.
8700 (contributes_to_priority): Removed.
8701 * haifa-sched.c (params.h): New include.
8702 (get_block_head_tail): Adjust all uses.
8703 (ISSUE_POINTS): New macro.
8704 (glat_start, glat_end): New global variables.
8705 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8706 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8707 old_last_basic_block, before_recovery, current_sched_info_var,
8708 rgn_n_insns, luid): New static variables.
8709 (insn_cost1): New function. Move logic from insn_cost to here.
8710 (find_insn_reg_weight1): New function. Move logic from
8711 find_insn_reg_weight to here.
8712 (reemit_notes, move_insn, max_issue): Change signature.
8713 (move_insn1): Removed.
8714 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8715 extend_bb): New static functions to support extension of scheduler's
8717 (generate_recovery_code, process_insn_depend_be_in_spec,
8718 begin_speculative_block, add_to_speculative_block,
8719 init_before_recovery, create_recovery_block, create_check_block_twin,
8720 fix_recovery_deps): New static functions to support
8721 generation of recovery code.
8722 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8723 restore_bb_notes, move_block_after_check, move_succs): New static
8724 functions to support ebb scheduling.
8725 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8726 functions to support handling of register live information.
8727 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8728 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8729 add_jump_dependencies): New static functions.
8730 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8731 consistancy checking.
8732 (debug_spec_status): New function to call from debugger.
8733 (priority): Added code to handle speculation checks.
8734 (rank_for_schedule): Added code to distinguish speculative instructions.
8735 (schedule_insn): Added code to handle speculation checks.
8736 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8737 Fixed to handle ebbs.
8738 (move_insn): Added code to handle ebb scheduling.
8739 (max_issue): Added code to use ISSUE_POINTS of instructions.
8740 (choose_ready): Added code to choose between speculative and
8741 non-speculative instructions.
8742 (schedule_block): Added code to handle ebb scheduling and scheduling of
8743 speculative instructions.
8744 (sched_init): Initialize new variables.
8745 (sched_finish): Free new variables. Print statistics.
8746 (try_ready): Added code to handle speculative instructions.
8747 * lists.c (copy_DEPS_LIST_list): New function.
8748 * sched-deps.c (extend_dependency_caches): New function. Move logic
8749 from create_dependency_caches to here.
8750 (get_dep_weak, ds_merge): Make global.
8751 * genattr.c (main): Code to output prototype for
8752 dfa_clear_single_insn_cache.
8753 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8754 (output_dfa_clean_insn_cache_func): Code to output
8755 dfa_clear_single_insn_cache function.
8756 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8758 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8760 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8761 New static variables.
8762 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8763 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8765 (ebb_sched_info): Initialize new fields.
8766 (get_block_head_tail): Adjust all uses.
8767 (compute_jump_reg_dependencies): Fixed to use glat_start.
8768 (schedule_ebb): Code to remove unreachable last block.
8769 (schedule_ebbs): Added code to update register live information.
8770 * sched-rgn.c (region_sched_info): Initialize new fields.
8771 (get_block_head_tail): Adjust all uses.
8772 (last_was_jump): Removed. Adjust users.
8773 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8774 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8775 Implement new hooks.
8776 (check_dead_notes1): New static function.
8777 (struct region): New fields: dont_calc_deps, has_real_ebb.
8778 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8779 (BB_TO_BLOCK): Fixed to handle EBBs.
8780 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8781 (ebb_head): New static variable.
8782 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8783 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8785 (compute_dom_prob_ps): New assertion.
8786 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8787 global_live_at_start.
8788 (init_ready_list): New assertions.
8789 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8790 (new_ready): Add support for BEGIN_CONTROL speculation.
8791 (schedule_insns): Fixed code that updates register live information
8793 (schedule_region): Fixed to handle EBBs.
8794 (init_regions): Use extend_regions and check_dead_notes1.
8795 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8796 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8797 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8798 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8799 TARGET_SCHED_GEN_CHECK,
8800 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8801 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8802 * doc/invoke.texi (max-sched-insn-conflict-delay,
8803 sched-spec-prob-cutoff): Document.
8805 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8807 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8808 inter_tick, queue_index.
8809 (struct sched_info): Change signature of init_ready_list field.
8810 Adjust all initializations.
8811 (RESOLVED_DEPS): New access macro.
8812 (ready_add): Remove prototype.
8813 (try_ready): Add prototype.
8814 * sched-rgn.c (init_ready_list): Use try_ready.
8815 (schedule_region): Initialize
8816 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8817 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8818 (init_ready_list): Use try_ready.
8819 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8820 * lists.c (remove_list_elem): Remove `static'.
8821 (remove_free_INSN_LIST_elem): New function.
8822 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8823 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8824 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8826 (readyp): New variable.
8827 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8828 change_queue_index, resolve_dep): New static functions.
8829 (try_ready): New function. Adjust callers in sched-rgn.c and
8830 sched-ebb.c to use it instead of ready_add.
8831 (clock_var): Move at the begining of file.
8832 (rank_for_schedule): Fix typo.
8833 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8834 (ready_lastpos): Enforce assertion.
8835 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8837 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8838 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8839 (queue_to_ready): Use free_INSN_LIST_list.
8840 (early_queue_to_ready): Fix typo.
8841 (schedule_block): Init readyp. Move init_ready_list call after the
8842 initialization of clock_var. Fix error in rejecting insn by
8843 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8844 that previously corrected INSN_TICKs. Add code for handling
8846 (set_priorities): Fix typo.
8847 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8848 Clarify comment and code that keeps current_sched_info->next_tail
8851 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8853 * sched-rgn.c (extend_rgns): New static function.
8854 (find_rgns): Use it.
8855 (gather_region_statistics, print_region_statistics): New static
8857 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8858 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8860 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8861 Andrey Belevantsev <abel@ispras.ru>
8863 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8864 * lists.c (unused_deps_list): New variable.
8865 (free_list): Add assertions to verify the proper distinguishing
8866 between INSN_LISTs and DEPS_LISTs.
8867 (find_list_elem, remove_list_elem, remove_list_node): New static
8869 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8870 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8871 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8872 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8874 (free_INSN_LIST_node): Likewise.
8875 * modulo-sched.c (current_sched_info): Initialize flags field.
8876 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8877 * rtl.def (DEPS_LIST): Define.
8878 * rtl.h: Declare new functions from lists.c.
8879 * sched-deps.c (spec_dependency_cache): New static variable.
8880 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8881 (add_dependence): Change return type to void. Move the logic to ...
8882 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8883 (delete_all_dependences): Add comment about forward_dependency_cache.
8884 Handle spec_dependency_cache. Handle DEPS_LISTs.
8885 (fixup_sched_groups): Clarify the change of priority of output
8886 and anti dependencies.
8887 (sched_analyze_2): Adjust add_dependence calls to create data
8888 speculative dependence.
8889 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8890 Adjust all callers. Handle DEPS_LISTS.
8891 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8892 presence of speculation.
8893 (init_dependency_caches, free_dependency_caches):
8894 Handle spec_dependency_cache.
8895 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8896 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8897 New static functions.
8898 (add_or_update_back_dep, add_or_update_back_forw_dep,
8899 add_back_forw_dep, delete_back_forw_dep): New functions.
8900 * sched-int.h (ds_t, dw_t): New typedefs.
8901 (struct sched_info): Add new field flags.
8902 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8903 Prototype new sched-deps.c functions.
8904 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8905 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8906 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8907 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8908 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8909 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8911 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8913 * sched-rgn.c (current_sched_info): Initialize flags field.
8914 (schedule_insns): Initialize current_sched_info before the sched_init
8916 * sched-ebb.c (current_sched_info): Initialize flags field.
8917 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8918 Call add_or_update_back_dep instead of add_dependence.
8919 Create control speculative dependencies.
8920 (schedule_insns): Initialize current_sched_info before the sched_init
8923 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8925 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8927 (sh_fallback_frame_state): Likewise.
8929 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8931 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8932 Do switch on default_use_cxa_atexit.
8933 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8934 * config/darwin-crt3.o: New.
8935 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8936 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8937 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8939 * config/rs6000/t-darwin: Move crt2.o building to here.
8940 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8941 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8944 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8946 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8947 from '! xxx' to '!xxx' for coding-style conformance.
8948 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8949 (EXTRA_CONSTRAINT): Likewise.
8950 * config/vax/vax.md (four unnamed insns): Likewise.
8952 2006-03-15 Paul Brook <paul@codesourcery.com>
8954 * config/arm/arm.c (minipool_pad): New.
8955 (add_minipool_forward_ref): Include pool alignment padding in address
8957 (push_minipool_fix): Set minipool_pad.
8958 (minipool_pad): Ditto.
8960 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8962 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8963 instead of GET_CODE() == MEM and REG_P() instead of
8965 (print_operand_address): Likewise.
8966 (vax_address_cost): Likewise.
8967 (vax_rtx_costs): Likewise.
8968 (vax_notice_update_cc): Likewise.
8969 (vax_output_int_add): Likewise.
8970 (INDEX_REGISTER_P): Likewise.
8971 (BASE_REGISTER_P): Likewise.
8972 (nonindexed_address_p): Likewise.
8973 (vax_mode_dependent_address_p): Likewise.
8974 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8975 (PRINT_OPERAND): Likewise.
8976 * config/vax/vax.md (ashlsi3): Likewise.
8977 (ashlsi3): Likewise.
8978 (some more unnamed insns): Likewise.
8980 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8982 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8983 iterator-style macro.
8984 (mark_control_dependent_edges_necessary): Update the use of
8985 EXECUTE_IF_CONTROL_DEPENDENT.
8987 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8989 * config/sh/predicates.md (cache_address_operand): Special.
8990 (ua_address_operand): Likewise.
8992 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8994 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8996 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8998 2006-03-15 Andreas Schwab <schwab@suse.de>
9000 * gensupport.c (identify_predicable_attribute): Don't free p_false
9001 when it is still in use.
9003 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9005 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9006 the default setting here.
9008 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9010 * tree-pass.h (pass_cfg): Remove.
9011 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9012 * passes.c (pass_cfg): Don't run it.
9014 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9016 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9017 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9019 (stack_regs_mentioned): Update the uses of
9020 stack_regs_mentioned_data. Don't access the array beyond its
9022 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9023 Don't include gt-reg-stack.h.
9025 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9026 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9028 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9031 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9034 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9036 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9038 2006-03-14 Richard Guenther <rguenther@suse.de>
9040 PR tree-optimization/26672
9041 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9044 2006-03-14 Richard Guenther <rguenther@suse.de>
9046 PR tree-optimization/26667
9047 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9048 node for the callees. Always allow inlining if it will shrink
9051 2006-03-14 Richard Guenther <rguenther@suse.de>
9054 * builtins.c (get_pointer_alignment): Prefer alignment
9055 information from decls over that from types.
9057 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9060 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9062 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9064 * config/rs6000/rs6000.opt (mdlmzb): New option.
9065 (msched-prolog, msched-epilog): Use Var not Mask.
9066 * doc/invoke.texi (-mdlmzb): Document.
9067 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9069 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9070 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9072 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9074 PR rtl-optimization/25739
9075 * bt-load.c (augment_live_range): Free tos pointer.
9077 * gensupport.c (identify_predicable_attribute): Free
9079 * gcov.c (create_file_names): Free name pointer.
9081 2006-03-13 Roger Sayle <roger@eyesopen.com>
9084 * stmt.c (emit_case_nodes): Handle the case where the index is a
9085 CONST_INT, where the comparison mode is specified by the index type.
9087 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9089 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9092 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9094 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9095 (*branch_fp_inverted): Likewise.
9097 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9100 * omp-low.c (expand_omp_for_generic): Mark istart0
9101 and iend0 as addressable.
9103 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9105 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9107 2006-03-13 Jeff Law <law@redhat.com>
9109 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9110 virtual operands are interesting.
9111 (vrp_visit_stmt): Corresponding changes.
9113 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9115 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9117 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9118 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9119 * config/bfin/crti.S: Use it instead of __PIC__.
9120 * config/bfin/crtn.S: Likewise.
9122 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9123 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9125 Lose 'G' modifier for call operand.
9126 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9127 recognize 'G' modifier.
9129 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9132 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9133 * stmt.c (expand_case): Likewise.
9135 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9137 PR rtl-optimization/26254
9138 * loop-invariant.c (seq_insns_valid_p): New function.
9139 (move_invariant_reg): Only emit new code if it is valid.
9141 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9143 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9145 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9146 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9147 (commit_one_edge_insertion): Do not look for loop notes.
9149 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9151 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9152 flag_test_coverage out of loop.
9154 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9156 * final.c (shorten_branches): Remove outdated comment, and turn
9157 the if branch that guards it to continue.
9159 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9161 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9162 * cfgloop.h (struct loop): Remove unused fields.
9164 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9166 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9167 (-dL, -fdump-rtl-loop2): Update the dump file names
9169 * doc/invoke.texi: Update dump file names.
9171 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9173 * predict.c (estimate_probability): Remove.
9174 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9175 * basic-block.h (estimate_probability): Remove prototype.
9176 * passes.c (finish_optimization_passes): Dump branch prediction or
9177 profiling heuristics to the .profile tree dump.
9178 (init_optimization_passes): Unqueue pass_branch_prob.
9180 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9182 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9184 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9185 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9187 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9189 * function.h (frame_offset_overflow): Declare.
9190 * function.c (frame_offset_overflow): New function.
9191 (assign_stack_local_1): Call it to detect that the offset overflows.
9192 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9194 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9196 * config/sh/sh.c: Include alloc-pool.h.
9197 (label_ref_list_pool): New alloc pool.
9198 (label_ref_list_t): New type for lists of labels.
9199 (struct pool_node): Make wend a label_ref_list_t.
9200 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9202 (dump_table): Likewise.
9203 (sh_reorg): Set up the alloc pool before using add_constant and
9204 dump_table, and destroy it when finishing.
9206 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9208 * config/mips/mips.c: Remove redundant comment.
9210 2006-03-10 Jason Merrill <jason@redhat.com>
9213 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9214 the target was declared 'register'.
9216 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9218 * genpreds.c (write_insn_constraint_len): Change definition of
9219 insn_constraint_len to return size_t to match the declaration.
9221 2006-03-10 DJ Delorie <dj@redhat.com>
9223 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9225 (m32c_expand_insv): Fix test for an AND mask.
9227 2006-03-10 Richard Guenther <rguenther@suse.de>
9230 * builtins.c (get_pointer_alignment): Handle component
9231 references for field alignment.
9233 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9235 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9236 when building with libgloss.
9237 (sh*elf): Implement --without-fp option.
9238 (sh64-superh-linux*): Don't multilib.
9240 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9242 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9244 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9246 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9247 Set it when one of the replacement functions returned true.
9248 Return TODO_cleanup_cfg if cfgchanged is true.
9249 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9251 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9253 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9254 instead of gen_lowpart.
9256 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9258 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9260 (mips_output_order_conditional_branch): Declare.
9261 * config/mips/mips.h (MIPS_BRANCH): New macro.
9262 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9263 for the comparison. Use gen_condjump.
9264 (mips_output_conditional_branch): Rework interface to take the
9265 asm templates for a direct branch and the inverse of a direct branch.
9266 (mips_output_order_conditional_branch): New function.
9267 (mips_builtin_branch_and_move): New function.
9268 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9269 branch condition. Use gen_single_cc as the condition for
9270 __builtin_mips_upper_* or __builtin_mips_lower_*.
9271 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9272 Use VOIDmode for the branch condition.
9273 * config/mips/predicates.md (order_operator): New predicate.
9274 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9275 (branch_fp): Rename to...
9276 (*branch_fp): ...this. Remove mode from comparison operator.
9277 Use new mips_output_conditional_branch interface.
9278 (branch_fp_inverted): Rename to...
9279 (*branch_fp_inverted): ...this and update as for *branch_fp.
9280 (*branch_zero<mode>): Rename to...
9281 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9282 Use mips_output_order_conditional_branch. Only accept ordered
9284 (*branch_zero<mode>_inverted): Rename to...
9285 (*branch_order<mode>_inverted): ...this and update as for
9286 *branch_order<mode>.
9287 (*branch_equality<mode>): Accept zero as the second operand to
9288 the equality operator. Use the new mips_output_conditional_branch
9290 (*branch_equality<mode>_inverted): Likewise.
9291 (condjump): New expander.
9292 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9294 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9295 (bc1any2t, bc1any2f): Likewise.
9296 (single_cc): New expander.
9297 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9299 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9301 * doc/md.texi: Update documentation of MIPS constraints.
9302 * config/mips/constraints.md: New file.
9303 * config/mips/mips.md: Include it.
9304 * config/mips/mips.c (mips_char_to_class): Delete.
9305 (override_options): Don't initialize mips_char_to_class.
9306 * config/mips/mips.h (mips_char_to_class): Delete.
9307 (REG_CLASS_FROM_LETTER): Delete.
9308 (CONST_OK_FOR_LETTER_P): Delete.
9309 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9310 (EXTRA_CONSTRAINT_Y): Delete.
9311 (EXTRA_CONSTRAINT_STR): Delete.
9312 (CONSTRAINT_LEN): Delete.
9313 (EXTRA_MEMORY_CONSTRAINT): Delete.
9315 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9317 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9318 original fn's eh regions.
9320 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9322 * fold-const.c (build_range_check): Make sure to use a valid type to
9323 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9326 (range_predecessor): New static function.
9327 (range_successor): Likewise.
9328 (merge_ranges): Use them to compute predecessors and successors of
9331 2006-03-09 Roger Sayle <roger@eyesopen.com>
9334 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9335 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9337 2006-03-08 DJ Delorie <dj@redhat.com>
9339 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9340 (addpsi3): Expand to include memory operands. Remove
9341 reload-specific splits.
9342 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9343 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9344 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9345 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9346 (shift1_qi, shift1_hi, insv): New.
9347 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9348 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9349 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9351 * config/m32c/m32c-protos.h: Update as needed.
9352 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9353 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9354 Fail for unrecognized R* constraints.
9355 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9356 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9357 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9359 (m32c_init_libfuncs): New.
9360 (m32c_legitimate_address_p): Add debug wrapper.
9361 (m32c_rtx_costs): New.
9362 (m32c_address_cost): New.
9363 (conversions): Add 'B' prefix.
9364 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9365 operands, or word regnames for QI operands. 'B' prints bit
9367 (m32c_expand_setmemhi): New.
9368 (m32c_expand_movmemhi): New.
9369 (m32c_expand_movstr): New.
9370 (m32c_expand_cmpstr): New.
9371 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9372 (m32c_expand_neg_mulpsi3): Handle non-ints.
9373 (m32c_cmp_flg_0): New.
9374 (m32c_expand_movcc): New.
9375 (m32c_expand_insv): New.
9376 (m32c_scc_pattern): New.
9377 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9378 a0/a1 out of SIregs.
9379 (STORE_FLAG_VALUE): New.
9380 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9383 * config/m32c/mov.md: Make constraints more liberal.
9384 (zero_extendqihi2): Optimize r0/r1 case.
9385 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9386 * config/m32c/predicates.md (m32c_any_operand): New.
9387 (m32c_nonimmediate_operand): New.
9388 (m32c_hl_operand): New.
9389 (m32c_r3_operand): New.
9392 (memsym_operand): New.
9393 (memimmed_operand): New.
9394 (a_qi_operand): New.
9395 (m32c_eqne_operator): New.
9396 (m32c_1bit8_operand): New.
9397 (m32c_1bit16_operand): New.
9398 (m32c_1mask8_operand): New.
9399 (m32c_1mask16_operand): New.
9400 * config/m32c/blkmov.md: New file.
9401 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9403 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9405 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9406 unsigned to fix signed/unsigned comparison issue in
9407 DWARF2_FRAME_REG_OUT.
9408 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9409 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9411 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9412 of ptr into the ENABLE_CHECKING section.
9414 2006-03-08 Jeff Law <law@redhat.com>
9416 * tree-vrp.c (infer_value_range): Only count pointer uses
9417 and dereferences if -fdelete-null-pointer-checks is enabled.
9419 * tree-vrp.c (find_assert_locations): Infer value ranges for
9420 single use pointers, but do not create ASSERT_EXPRs for them.
9421 When a non-null range is inferred for a pointer, backwards
9422 propagate that range to other equivalent pointers through the
9425 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9428 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9429 language hook targets.
9430 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9431 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9432 if language hook targets were missing.
9434 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9436 * tree-ssa-opfinalize.h: Removed.
9437 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9439 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9440 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9441 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9442 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9443 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9444 finalize_ssa_v_must_def_ops): New.
9446 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9448 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9451 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9453 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9455 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9456 addresses with offsets; reorganize.
9458 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9459 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9460 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9462 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9465 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9467 2006-03-08 Ben Elliston <bje@au.ibm.com>
9469 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9471 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9474 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9477 2006-03-07 Richard Guenther <rguenther@suse.de>
9479 PR tree-optimization/26587
9480 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9482 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9484 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9486 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9488 * hooks.c (hook_bool_mode_rtx_true): New function.
9489 * hooks.h (hook_bool_mode_rtx_true): Declare.
9490 * toplev.c (compile_file): Call output_shared_constant_pool.
9491 * varasm.c (shared_constant_pool): New variable.
9492 (assemble_start_function, assemble_end_function): Remove arguments
9493 from call to output_constant_pool.
9494 (create_constant_pool): New function, split out from...
9495 (init_varasm_status): ...here.
9496 (force_const_mem): Choose between the shared and per-function constant
9497 pools. Set current_function_uses_const_pool when reusing old entries
9498 as well as when creating new ones.
9499 (mark_constant): Ignore data argument.
9500 (mark_constants): Remove pool argument.
9501 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9502 to decide whether the function uses a constant pool.
9503 (output_constant_pool_contents): New function, split out from...
9504 (output_constant_pool): ...here.
9505 (output_shared_constant_pool): New function.
9506 (init_varasm_once): Initialize shared_constant_pool.
9507 * output.h (output_constant_pool): Delete.
9508 (output_shared_constant_pool): Declare.
9509 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9510 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9512 2006-03-06 Nick Clifton <nickc@redhat.com>
9514 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9515 flag_strength_reduce.
9517 2006-03-06 Ben Elliston <bje@au.ibm.com>
9519 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9520 x86_64-*-linux* configurations.
9522 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9523 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9525 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9527 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9529 * basic-block.h: Remove the extern for
9530 rediscover_loops_after_threading.
9532 * cfgloop.c (cancel_loop): Make it static.
9533 * cfgloop.h: Remove the prototype for cancel_loop.
9535 * flow.c (recompute_reg_usage): Make it static.
9536 * rtl.h: Remove the prototype for recompute_reg_usage.
9538 * function.c (use_return_register): Make it static.
9539 * function.h: Remove the prototype.
9541 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9543 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9545 * recog.h: Remove the prototype for
9546 validate_change_maybe_volatile.
9548 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9550 * rtlanal.c (replace_reg): Remove.
9551 * rtl.h: Remove the prototype for replace_reg.
9553 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9555 * regclass.c (reg_scan_update): Remove.
9556 (reg_scan_mark_refs): Remove the last argument.
9557 * rtl.h: Remove the prototype for reg_scan_update.
9559 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9561 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9562 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9563 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9564 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9565 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9566 loop-invariant.c, omp-low.c, opts.c, passes.c,
9567 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9568 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9569 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9570 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9571 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9572 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9574 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9576 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9577 * dwarf2out.h: Remove the prototype for
9578 dwarf2out_add_library_unit_info.
9580 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9582 * tree.c (add_var_to_bind_expr): Remove.
9583 * tree.h: Remove the prototype for add_var_to_bind_expr.
9585 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9587 * regclass.c (n_non_fixed_regs): Remove.
9588 (init_reg_sets_1, globalize_reg): Remove all uses of
9590 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9592 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9594 * rtlanal.c (insns_safe_to_move_p): Remove.
9595 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9597 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9599 * expmed.c (expand_mult_add): Remove.
9600 * expr.h: Remove the prototype for expand_mult_add.
9602 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9604 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9605 and REG_SAVED_VAL_EXP constants.
9606 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9607 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9608 Handle regs stored by value.
9609 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9610 (execute_cfa_program): Handle DW_CFA_val_offset,
9611 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9612 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9613 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9614 (uw_install_context_1): Handle target regs stored by value.
9616 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9618 * tree-sra.c (tree_sra): Return todoflags;
9619 (generate_one_element): Set TODO_update_smt_usage if needed.
9620 (pass_sra): Remove TODO_update_smt_usage.
9621 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9623 (tree_ssa_forward_propagate_single_use_vars): Return
9624 TODO_update_smt_usage if we need to update SMT usage.
9625 (pass_forwprop): Remove TODO_update_smt_usage.
9627 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9629 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9630 (correct_use_link): Remove reference to get_stmt_operands.
9631 (update_stmt_operands): Likewise.
9632 (get_modify_expr_operands): New function factored out of
9633 parse_ssa_operands and get_expr_operands.
9634 Try to create V_MUST_DEFs for LHS by default.
9635 (get_expr_operands) <case MODIFY_EXPR>: Call
9636 get_modify_expr_operands.
9637 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9638 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9639 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9640 get_modify_expr_operands.
9642 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9644 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9645 * tree-flow.h: Remove the prototype for
9646 referenced_var_lookup_if_exists.
9648 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9650 PR rtl-optimization/26345
9652 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9654 2006-03-03 Roger Sayle <roger@eyesopen.com>
9656 PR tree-optimization/26524
9657 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9658 fold_convert to create a constant of the appropriate type.
9660 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9662 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9663 SYMBOL_REF_IN_BLOCK_P.
9664 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9665 of SYMBOL_FLAG_IN_BLOCK.
9666 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9667 instead of SYMBOL_REF_IN_BLOCK_P.
9668 * explow.c (use_anchored_address): Likewise.
9669 * rtl.c (rtx_size): Likewise.
9670 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9671 instead of SYMBOL_FLAG_IN_BLOCK.
9672 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9673 SYMBOL_REF_IN_BLOCK_P.
9674 (assemble_variable): Likewise.
9675 (output_constant_def_contents): Likewise.
9676 (output_constant_pool): Likewise.
9677 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9678 instead of SYMBOL_FLAG_IN_BLOCK.
9679 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9680 SYMBOL_REF_IN_BLOCK_P.
9681 (SYMBOL_REF_BLOCK): Likewise.
9682 (SYMBOL_REF_OFFSET): Likewise.
9683 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9684 SYMBOL_REF_IN_BLOCK_P.
9685 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9686 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9687 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9688 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9690 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9692 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9694 2006-03-02 Roger Sayle <roger@eyesopen.com>
9696 * simplify-rtx.c (simplify_unary_operation): When simplifying
9697 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9698 that we perform the right shift in the appropriate mode, and
9699 then extend or truncate the result to requested mode.
9701 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9703 * gengtype.c (main): Handle double_int type.
9704 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9705 * double-int.c: New file.
9706 * double-int.h: New file.
9707 * system.h: Include doubleint.h.
9708 * Makefile.in (SYSTEM_H): Include double-int.h.
9709 (double-int.o): Add.
9711 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9714 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9717 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9719 * tree-vrp.c (remove_range_assertions): Do not update statements
9722 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9724 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9726 * gcse.c (rest_of_handle_gcse): Ditto.
9727 * except.c (gate_handle_eh): Ditto.
9728 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9729 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9731 2006-03-02 Eric Christopher <echristo@apple.com>
9733 * config/i386/i386.c (machopic_output_stub): Add indirection to
9736 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9740 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9742 Sun Niagara specific optimizations.
9743 * config.gcc: Recognize niagara as target.
9744 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9745 (TARGET_CPU_niagara): Define.
9746 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9747 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9748 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9749 (ASM_CPU_SPEC): Likewise.
9750 (PROCESSOR_NIAGARA): New enum entry.
9751 (REGISTER_MOVE_COST): Handle Niagara.
9752 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9753 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9754 (sparc_override_options): Recognize "niagara", set appropriate
9755 default MASK_* values for it, and align functions to 32-bytes
9756 by default just like ULTRASPARC/ULTRASPARC3.
9757 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9758 (sparc64_initialize_trampoline): Likewise.
9759 (sparc_use_sched_lookahead): Use zero for niagara.
9760 (sparc_issue_rate): Use one for niagara.
9761 * config/sparc/niagara.md: New file.
9762 * config/sparc/sparc.md: Include it.
9763 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9764 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9765 when default cpu is niagara.
9766 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9767 (ASM_CPU_SPEC): Likewise.
9768 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9769 when default cpu is niagara.
9770 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9771 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9772 just like v9/ultrasparc/ultrasparc3.
9773 * doc/invoke.texi: Add documentation for "niagara" and improve
9774 existing documentation for ultrasparc variants.
9776 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9778 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9780 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9782 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9783 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9784 and say that only one is needed.
9785 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9786 * target.h (have_switchable_bss_sections): New hook.
9787 * explow.c (use_anchored_address): Check that the symbol is in a block.
9788 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9789 (bss_noswitch_section): New variables.
9790 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9791 (get_noswitch_section): New function.
9792 (get_block_for_section): Allow SECT to be null.
9793 (unlikely_text_section_p): Use SECTION_STYLE.
9794 (bss_initializer_p): New function.
9795 (get_variable_section): Move earlier in file. Take a new argument,
9796 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9797 Return one of the new *_sections in such cases.
9798 (get_block_for_decl): New function, extracting some logic from
9799 use_blocks_for_decl_p.
9800 (change_symbol_section): Remove in favor of...
9801 (change_symbol_block): ...this new function.
9802 (use_blocks_for_decl_p): Remove checks now performed by
9804 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9805 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9806 (emit_local, emit_bss, emit_common): ...these new functions.
9807 Return true if the alignment was honored.
9808 (emit_tls_common): New function.
9809 (asm_emit_uninitialised): Delete.
9810 (assemble_variable_noswitch): New function, split out from...
9811 (assemble_variable): ...here. Don't make decisions about common
9812 variables here. Globalize all public decls that go into non-common
9813 sections. Check whether SYMBOL_REF_BLOCK is null.
9814 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9815 (output_constant_pool): Likewise.
9816 (init_varasm_once): Initialize the new section variables.
9817 (have_global_bss_p): New function.
9818 (categorize_decl_for_section): Use bss_initializer_p.
9819 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9820 (place_block_symbol): Assert that the symbol must be in a block.
9821 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9822 (TARGET_INITIALIZER): Include it.
9823 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9824 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9825 (SECTION_MACH_DEP): Bump by two.
9826 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9827 (unnamed_section): Mention SECTION_UNNAMED in comment.
9828 (named_section): Likewise SECTION_NAMED.
9829 (noswitch_section_callback): New type.
9830 (noswitch_section): New structure.
9831 (section): Add a noswitch_section alternative.
9832 (SECTION_STYLE): New macro.
9833 (tls_comm_section, comm_section, lcomm_section): Declare.
9834 (bss_noswitch_section, have_global_bss_p): Declare.
9835 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9836 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9838 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9839 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9842 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9844 * tree-vrp.c (execute_vrp): Return value.
9845 * regrename.c (rest_of_handle_regrename): Ditto.
9846 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9847 * tree-complex.c (tree_lower_complex): Ditto.
9848 (tree_lower_complex_O0): Ditto.
9849 * tracer.c (rest_of_handle_tracer): Ditto.
9850 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9851 * postreload.c (rest_of_handle_postreload): Ditto.
9852 * tree-tailcall.c (execute_tail_recursion): Ditto.
9853 (execute_tail_calls): Ditto.
9854 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9855 * tree.h (init_function_for_compilation): Ditto.
9856 * ipa-cp.c (ipcp_driver): Ditto.
9857 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9858 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9859 * final.c (compute_alignments): Ditto.
9860 (rest_of_handle_final): Ditto.
9861 (rest_of_handle_shorten_branches): Ditto.
9862 (rest_of_clean_state): Ditto.
9863 * omp-low.c (execute_expand_omp): Ditto.
9864 (execute_lower_omp): Ditto.
9865 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9866 * ipa-reference.c (static_execute): Ditto.
9867 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9868 * reorg.c (rest_of_handle_delay_slots): Ditto.
9869 (rest_of_handle_machine_reorg): Ditto.
9870 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9871 * flow.c (recompute_reg_usage): Ditto.
9872 (rest_of_handle_remove_death_notes): Ditto.
9873 (rest_of_handle_life): Ditto.
9874 (rest_of_handle_flow2): Ditto.
9875 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9876 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9877 (do_ssa_store_ccp): Ditto.
9878 (execute_fold_all_builtins): Ditto.
9879 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9880 * modulo-sched.c (rest_of_handle_sms): Ditto.
9881 * ipa-pure-const.c (static_execute): Ditto.
9882 * cse.c (rest_of_handle_cse): Ditto.
9883 (rest_of_handle_cse2): Ditto.
9884 * web.c (rest_of_handle_web): Ditto.
9885 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9886 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9887 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9888 * tree-nrv.c (tree_nrv): Ditto.
9889 (execute_return_slot_opt): Ditto.
9890 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9891 (create_structure_vars): Ditto.
9892 * loop-init.c (rtl_loop_init): Ditto.
9893 (rtl_loop_done): Ditto.
9894 (rtl_move_loop_invariants): Ditto.
9895 (rtl_unswitch): Ditto.
9896 (rtl_unroll_and_peel_loops): Ditto.
9897 (rtl_doloop): Ditto.
9898 * gimple-low.c (lower_function_body): Ditto.
9899 (mark_used_blocks): Ditto.
9900 * tree-ssa-sink.c (execute_sink_code): Ditto.
9901 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9902 (cgraph_early_inlining): Ditto.
9903 * global.c (rest_of_handle_global_alloc): Ditto.
9904 * jump.c (cleanup_barriers): Ditto.
9905 (purge_line_number_notes): Ditto.
9906 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9907 (rest_of_handle_if_after_reload): Ditto.
9908 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9909 (tree_ssa_loop_im): Ditto.
9910 (tree_ssa_loop_unswitch): Ditto.
9911 (tree_vectorize): Ditto.
9912 (tree_linear_transform): Ditto.
9913 (tree_ssa_loop_ivcanon): Ditto.
9914 (tree_ssa_empty_loop): Ditto.
9915 (tree_ssa_loop_bounds): Ditto.
9916 (tree_complete_unroll): Ditto.
9917 (tree_ssa_loop_prefetch): Ditto.
9918 (tree_ssa_loop_ivopts): Ditto.
9919 (tree_ssa_loop_done): Ditto.
9920 * predict.c (tree_estimate_probability): Ditto.
9921 * recog.c (split_all_insns_noflow): Ditto.
9922 (rest_of_handle_peephole2): Ditto.
9923 (rest_of_handle_split_all_insns): Ditto.
9924 * tree-eh.c (lower_eh_constructs): Ditto.
9925 * regmove.c (rest_of_handle_regmove): Ditto.
9926 (rest_of_handle_stack_adjustments): Ditto.
9927 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9928 * function.c (instantiate_virtual_regs): Ditto.
9929 (init_function_for_compilation): Ditto.
9930 (rest_of_handle_check_leaf_regs): Ditto.
9931 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9932 (rest_of_handle_gcse): Ditto.
9933 * ipa-type-escape.c (type_escape_execute): Ditto.
9934 * alias.c (rest_of_handle_cfg): Ditto.
9935 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9936 * profile.c (rest_of_handle_branch_prob): Ditto.
9937 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9938 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9939 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9940 * tree-dfa.c (find_referenced_vars): Ditto.
9941 * except.c (set_nothrow_function_flags): Ditto.
9942 (convert_to_eh_region_ranges): Ditto.
9943 (rest_of_handle_eh): Ditto.
9944 * emit-rtl.c (unshare_all_rtl): Ditto.
9945 (remove_unnecessary_notes): Ditto.
9946 * except.h (set_nothrow_function_flags): Ditto.
9947 (convert_to_eh_region_ranges): Ditto.
9948 * cfgexpand.c (tree_expand_cfg): Ditto.
9949 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9950 * tree-ssa-pre.c (do_pre): Ditto.
9951 (execute_fre): Ditto.
9952 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9953 (rest_of_handle_jump2): Ditto.
9954 * tree-sra.c (tree_sra): Ditto.
9955 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9956 (execute_mudflap_function_decls): Ditto.
9957 * tree-ssa-copy.c (do_copy_prop): Ditto.
9958 (do_store_copy_prop): Ditto.
9959 * ipa-prop.h (ipcp_driver): Ditto.
9960 * cfglayout.c (insn_locators_initialize): Ditto.
9961 * tree-ssa-forwprop.c
9962 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9963 * cfglayout.h (insn_locators_initialize): Ditto.
9964 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9965 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9966 (execute_late_warn_uninitialized): Ditto.
9967 * rtl.h (cleanup_barriers): Ditto.
9968 (split_all_insns_noflow): Ditto.
9969 (purge_line_number_notes): Ditto.
9970 (unshare_all_rtl): Ditto.
9971 (remove_unnecessary_notes): Ditto.
9972 (recompute_reg_usage): Ditto.
9973 (variable_tracking_main): Ditto.
9974 * integrate.c (emit_initial_value_sets): Ditto.
9975 * integrate.h (emit_initial_value_sets): Ditto.
9976 * tree-optimize.c (execute_free_datastructures): Ditto
9977 (execute_free_cfg_annotations): Ditto.
9978 (execute_fixup_cfg): Ditto.
9979 (execute_cleanup_cfg_pre_ipa): Ditto.
9980 (execute_cleanup_cfg_post_optimizing): Ditto.
9981 (execute_init_datastructures): Ditto.
9982 * tree-object-size.c (compute_object_sizes): Ditto.
9983 * combine.c (rest_of_handle_combine): Ditto.
9984 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9985 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9986 (rest_of_handle_reorder_blocks): Ditto.
9987 (rest_of_handle_partition_blocks): Ditto.
9988 * var-tracking.c (variable_tracking_main): Ditto.
9989 * tree-profile.c (tree_profiling): Ditto.
9990 * tree-vect-generic.c (expand_vector_operations): Ditto.
9991 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9992 * sched-rgn.c (rest_of_handle_sched): Ditto.
9993 (rest_of_handle_sched2): Ditto.
9994 * basic-block.h (free_bb_insn): Ditto.
9995 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9996 * tree-cfg.c (execute_build_cfg): Ditto.
9997 (remove_useless_stmts): Ditto.
9998 (split_critical_edges): Ditto.
9999 (execute_warn_function_return): Ditto.
10000 (execute_warn_function_noreturn): Ditto.
10001 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10002 * cfgrtl.c (free_bb_for_insn): Ditto.
10003 * passes.c (execute_one_pass): Run additional
10004 todos returned by execute function.
10005 * tree-pass.h (struct tree_opt_pass): Make execute
10008 2006-03-02 Richard Guenther <rguenther@suse.de>
10010 * tree-ssa-alias.c (find_used_portions): Consider taking
10011 the address as making the variable not write-only.
10013 2006-03-02 Nick Clifton <nickc@redhat.com>
10015 * config.gcc (default_use_cxa_atexit): Extend the description of
10016 this configure variable. Set its default value to "yes" for
10017 Linux, NetBSD and ELF targets on the assumption that they will
10018 use C libraries with the __cxa_atexit function.
10020 2006-03-02 Ben Elliston <bje@au.ibm.com>
10022 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10023 parameter as unused to suppress a build warning.
10025 2006-03-02 Ben Elliston <bje@au.ibm.com>
10027 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10030 2006-03-01 Roger Sayle <roger@eyesopen.com>
10033 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10034 declared name, the weak reference name, and the typeof name.
10035 (__gthrw): Avoid expanding the declared name suffix.
10036 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10038 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10040 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10042 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10043 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10044 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10045 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10046 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10047 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10048 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10049 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10050 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10051 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10052 (DW_END_default, DW_END_big, DW_END_little): New.
10053 (DW_END_lo_user, DW_END_hi_user): Define.
10054 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10055 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10056 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10059 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10061 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10063 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10065 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10067 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10069 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10070 to 'symbol_mem_tag'.
10072 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10075 2006-03-01 Roger Sayle <roger@eyesopen.com>
10077 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10079 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10082 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10083 MACHO_DYNAMIC_NO_PIC_P.
10084 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10086 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10089 * config/darwin-protos.h (darwin_asm_output_anchor):
10091 * config/darwin-sections.def (cstring_section):
10092 Add SECTION_MERGE to the flags.
10093 (literal4_section): Likewise.
10094 (literal8_section): Likewise.
10095 (objc_selector_refs_section): Likewise.
10096 (objc_cls_refs_section): Likewise.
10097 * config/darwin.c (darwin_asm_output_anchor): New
10099 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10101 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10103 Fix PR tree-optimization/26443
10104 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10105 to todo and PROP_tmt_usage to properties_destroyed.
10106 * tree-ssa-ccp.c (pass_ccp): Ditto.
10107 (pass_store_ccp): Ditto.
10108 * tree-ssa-dom.c (pass_dominator): Ditto.
10110 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10112 * tree-ssa-operands.c: Cleanup whitespace.
10113 (get_asm_expr_operands): Move before first invocation.
10114 (get_indirect_ref_operands): Likewise.
10115 (get_tmr_operands): Likewise.
10116 (get_call_expr_operands): Likewise.
10117 (append_def): Likewise.
10118 (append_use): Likewise.
10119 (append_v_may_def): Likewise.
10120 (append_v_must_def): Likewise.
10121 (add_call_clobber_ops): Likewise.
10122 (add_call_read_ops): Likewise.
10123 (add_stmt_operand): Likewise.
10124 (add_virtual_operand): Likewise.
10125 (build_ssa_operands): Likewise.
10127 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10129 PR middle-end/26022
10131 PR middle-end/24437
10132 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10133 with a call expr to ...
10134 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10136 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10138 * tree-vrp.c (extract_range_from_assert): Remove special
10139 handling for types with super-types.
10141 2006-03-01 Ben Elliston <bje@au.ibm.com>
10143 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10144 and powerpc64-*-linux* configurations.
10145 * config/t-dfprules: New file.
10147 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10148 Compile dfp-bit.c from the source directory using -DWIDTH and
10149 $DFP_CFLAGS to control the compilation of that file, rather than
10150 generating width-specific versions in the build directory.
10151 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10152 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10154 2006-02-28 Zack Weinberg <zackw@panix.com>
10156 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10159 2006-02-28 Eric Christopher <echristo@apple.com>
10161 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10162 Set up IN_LIBGCC definition of TARGET_64BIT.
10163 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10165 2006-02-28 Roger Sayle <roger@eyesopen.com>
10167 PR middle-end/14752
10168 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10169 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10170 cases via the construction of "expr != 0".
10172 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10174 * alias.c (alias_invariant, alias_invariant_size): Remove.
10175 (record_base_value): Remove.
10176 (memrefs_conflict_p): Don't look at alias_invariant.
10177 (end_alias_analysis): Don't free it.
10178 * alias.h (record_base_value): Remove prototype.
10180 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10181 Adam Nemet <anemet@caviumnetworks.com>
10183 * rtl.h (truncated_to_mode): Declare it.
10184 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10185 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10186 (RTL_HOOKS_INITIALIZER): Include it.
10187 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10188 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10189 reg_truncated_to_mode.
10190 * rtlanal.c (truncated_to_mode): Define it.
10191 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10193 2006-02-28 Jeff Law <law@redhat.com>
10195 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10196 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10197 the range allowed by TYPE_PRECISION.
10199 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10201 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10203 PR tree-optimization/26419
10204 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10207 2006-02-27 Zack Weinberg <zackw@panix.com>
10209 * doc/md.texi: Fix typo in previous change.
10211 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10215 2006-02-27 Zack Weinberg <zackw@panix.com>
10217 * rtl.def (define_constraint, define_register_constraint)
10218 (define_memory_constraint, define_address_constraint): New MD forms.
10219 * gensupport.c (process_rtx): Put define_constraint etc on the
10221 * genpreds.c (process_define_predicate): Adjust comment. Validate
10222 the name, and call validate_exp to validate the expression.
10223 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10224 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10225 all callers changed.
10226 (validate_exp, needs_variable, struct constraint_data)
10227 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10228 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10229 (const_dbl_constraints, constraint_max_namelen)
10230 (have_register_constraints, have_memory_constraints)
10231 (have_address_constraints, have_address_constraints)
10232 (have_extra_constraints, have_const_int_constraints)
10233 (have_const_dbl_constraints, mangle, add_constraint)
10234 (process_define_constraint, process_define_register_constraint)
10235 (write_enum_constraint_num, write_lookup_constraint)
10236 (write_insn_constraint_len, write_regclass_for_constraint)
10237 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10238 (write_insn_extra_memory_constraint)
10239 (write_insn_extra_address_constraint)
10240 (write_satisfies_constraint_fns): New.
10241 (write_tm_preds_h): If we have new-style constraint definitions,
10242 prototype the functions generated from them, and define the
10243 old constraint interface (still used by generic code) in terms of
10245 (write_insn_preds_c): If we have new-style constraint definitions,
10246 generate all relevant functions from those definitions.
10247 (main): Handle define_constraint etc.
10248 * genoutput.c (struct constraint_data, indep_constraints)
10249 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10250 (mdep_constraint_len): New data structures and functions, defined
10251 #ifdef USE_MD_CONSTRAINTS.
10252 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10253 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10254 use new logic to validate operand constraints against constraint
10256 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10258 * defaults.h: If none of the old-style constraint macros are
10259 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10260 old-style macros; and poison REG_CLASS_FROM_LETTER,
10261 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10263 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10264 * doc/md.texi: Document new constraint-definition mechanism and the
10265 C interface it provides. Remove references to old mechanism
10266 elsewhere in the document.
10267 (Machine Constraints): Use pathnames relative to gcc directory,
10268 i.e. config/ARCH/FILE. Change i386 section to refer to
10269 config/i386/predicates.md; update that section to match docstrings.
10270 * doc/tm.texi: Move all documentation of the old constraint-
10271 definition macros to their own section, clearly mark as obsolete.
10273 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10274 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10276 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10277 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10278 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10279 constraint strings.
10280 (splits and peepholes): Use satisfies_constraint_*.
10281 * config/i386/i386.c (memory_address_length)
10282 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10284 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10286 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10287 scalar operation to be put back into the loop.
10289 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10292 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10293 (extract_cie_info): Handle S flag in augmentation string.
10294 (execute_cfa_program): If context->signal_frame, execute also
10295 fs->pc == context->ra instructions.
10296 (uw_frame_state_for): If context->signal_frame, don't subtract one
10297 from context->ra to find FDE.
10298 (uw_update_context_1): Set context->signal_frame to
10300 (_Unwind_GetIPInfo): New function.
10301 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10302 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10304 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10305 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10306 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10307 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10308 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10309 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10310 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10311 x86_64_fallback_frame_state): Set fs->signal_frame.
10312 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10313 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10314 (frob_update_context): Likewise. Workaround missing S flag in
10315 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10316 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10317 Remove the psw_addr + 1 hack.
10319 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10321 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10322 with aggregates here.
10323 (find_func_aliases): Remove code for &<aggregate> from here.
10325 2006-02-26 Roger Sayle <roger@eyesopen.com>
10327 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10328 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10329 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10330 as (X & C) ne/eq 0.
10332 2006-02-26 Roger Sayle <roger@eyesopen.com>
10334 PR middle-end/19983
10335 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10337 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10339 * opts.c (decode_options): Do not handle flag_strength_reduce.
10340 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10341 and OPT_fstrength_reduce.
10342 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10343 flag_prefetch_loop_arrays for being nonzero.
10344 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10346 (fprefetch-loop-arrays-rtl): Removed.
10347 (flag_prefetch_loop_arrays): Do not specify the value.
10349 * doc/passes.texi: Update documentation of loop optimizer
10351 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10352 -frerun-loop-opt): Remove.
10354 2006-02-26 Richard Guenther <rguenther@suse.de>
10356 PR tree-optimization/26421
10357 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10358 in function calls that are ADDR_EXPRs as using the whole structure.
10360 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10362 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10363 * tree-pass.h (pass_loop_optimize): Remove.
10364 * passes.c (pass_loop_optimize): Never run it.
10365 * toplev.c (backend_init): Don't call init_loop.
10366 * opts.c (flag_loop_optimize_set): Remove.
10367 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10368 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10369 the old RTL loop optimizer when profiling enabled.
10370 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10371 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10372 pre-headers for the sake of the old RTL loop optimizer.
10373 * Makefile.in: Remove all references to loop.o.
10375 * doc/invoke.texi: Remove all references to -floop-optimize
10376 and -frerun-loop-opt.
10378 2006-02-26 Zack Weinberg <zackw@panix.com>
10380 * doc/md.texi (Machine Constraints): Refer to all files with paths
10381 relative to gcc directory (i.e. config/CPU/file). Add missing
10382 @table @code ... @end table to M32C subsection.
10384 2006-02-26 Roger Sayle <roger@eyesopen.com>
10386 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10388 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10390 2006-02-26 Roger Sayle <roger@eyesopen.com>
10391 James A. Morrison <phython@gcc.gnu.org>
10393 PR middle-end/21137
10394 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10395 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10396 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10397 signedness of the shift operation.
10399 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10401 PR tree-optimization/26359
10402 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10404 2006-02-25 Roger Sayle <roger@eyesopen.com>
10406 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10407 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10408 as X == 0, and some symmetry related transformations.
10409 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10411 2006-02-25 Roger Sayle <roger@eyesopen.com>
10413 PR middle-end/23673
10414 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10415 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10416 symmetry related transformations. Fold (X^C1) == C2 as
10419 2006-02-25 Juergen Weigert <jw@suse.de>
10420 Richard Guenther <rguenther@suse.de>
10422 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10424 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10426 * combine.c (gen_lowpart_or_truncate): Call
10427 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10429 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10431 * doc/invoke.texi: Move -fopenmp description to "Options for
10433 Remove reference to -lgomp.
10435 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10437 * doc/install.texi: Require GNU tar version 1.14.
10439 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10441 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10442 * doc/invoke.texi (C++ Dialect Options): Document
10443 -fno-use-cxa-get-exception-ptr.
10444 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10445 * configure: Regenerate.
10446 * c.opt (fuse-cxa-get-exception-ptr): New.
10447 * c-opts.c (c_common_handle_option): Handle
10448 OPT_fuse_cxa_get_exception_ptr.
10449 * c-common.c (flag_use_cxa_atexit): Update documentation.
10450 (flag_use_cxa_get_exception_ptr): New.
10451 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10452 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10454 (C_COMMON_OVERRIDE_OPTIONS): New.
10456 2006-02-24 Roger Sayle <roger@eyesopen.com>
10458 PR middle-end/24952
10459 * combine.c (try_combine): Explicitly check whether GET_CODE is
10460 a SET or a CLOBBER, instead on checking that it isn't a USE.
10462 2006-02-24 Roger Sayle <roger@eyesopen.com>
10464 * fold-const.c (fold_comparison): New subroutine of fold_binary
10465 containing transformations common to both the equality and
10466 ordering relational operators, factored out of fold_binary.
10467 (fold_binary): Separate out the equality operators (EQ_EXPR
10468 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10469 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10470 transformations common to both.
10471 (fold_div_compare): Fix latent bugs in the previously unreachable
10472 LT_EXPR and GE_EXPR cases.
10474 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10476 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10477 decl libname for clog to __clog on AIX.
10479 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10481 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10484 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10485 output traceback table for thunks. Localise rs6000_stack_info call.
10487 2006-02-23 Roger Sayle <roger@eyesopen.com>
10488 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10490 * gthr-posix.h (__gthrw): Fix typo in comment.
10492 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10494 * doc/cpp.texi (Character sets): Document that we do support
10495 input files to be in any character set.
10497 2006-02-23 Jeff Law <law@redhat.com>
10499 * tree.h (PHI_ARG_NONZERO): Remove.
10500 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10501 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10502 node to the new node.
10504 PR tree-optimization/26425
10505 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10506 min/max, then assume its varying.
10508 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10510 PR rtl-optimization/26316
10511 * rtlanal.c (enum may_trap_p_flags): New.
10512 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10513 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10514 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10515 (may_trap_after_code_motion_p): New function.
10516 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10517 (find_invariant_insn): Use may_trap_after_code_motion_p.
10518 * rtl.h (may_trap_after_code_motion_p): Declare.
10520 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10522 * emit-rtl.c (immed_double_const): Cleanup.
10524 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10526 Fix PR tree-optimization/26376
10527 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10530 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10532 PR middle-end/26412
10533 * gimplify.c (omp_add_variable): Guard variable size decl test with
10534 DECL_SIZE (decl) check.
10536 2006-02-23 Richard Guenther <rguenther@suse.de>
10538 PR middle-end/26439
10539 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10540 like aggregate types.
10542 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10544 * configure.ac: Add --with{,out}-long-double-128 configure option.
10545 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10546 * configure: Rebuilt.
10547 * config.in: Rebuilt.
10548 * doc/install.texi (Options specification): Document
10549 --with-long-double-128.
10551 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10552 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10553 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10554 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10556 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10558 * config/s390/s390.c (override_options): Handle
10559 TARGET_DEFAULT_LONG_DOUBLE_128.
10561 * config/alpha/alpha.c (override_options): Handle
10562 TARGET_DEFAULT_LONG_DOUBLE_128.
10564 * config/sparc/sparc.c (sparc_override_options): Handle
10565 TARGET_DEFAULT_LONG_DOUBLE_128.
10567 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10569 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10570 (real-install-headers-tar, real-install-headers-cpio)
10571 (real-install-headers-cp): New targets.
10573 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10575 * tree.h (variable_section): Delete.
10576 * varasm.c (variable_section): Delete.
10578 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10580 * install.texi: Add notes on install.texi2html.
10581 (Building in parallel): Do not use footnotes.
10583 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10586 * doc/install.texi (Configuration): Document --disable-libgomp.
10588 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10590 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10592 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10594 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10595 (vec_extractv2df_0_sse): New.
10597 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10599 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10600 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10601 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10602 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10603 to the result of the expression.
10604 (def_cfa_1): Adjust.
10605 (frame_pointer_cfa_offset): Rename to...
10606 (frame_pointer_fb_offset): ... this. Adjust all uses.
10607 (convert_cfa_to_loc_list): Rename to...
10608 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10609 Pass it on to build_cfa_loc.
10610 (compute_frame_pointer_to_cfa_displacement): Rename to...
10611 (compute_frame_pointer_to_fb_displacement): ... this. New
10612 offset parameter. Use it in computation.
10613 (gen_subprogram_die): Compute cfa_fb_offset with the new
10614 macro, and use it to compute the fb loc list and the
10617 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10619 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10620 replaced with register_operand.
10621 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10622 non-DREG is expensive.
10623 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10624 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10627 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10629 * doc/install.texi2html: Use set -e.
10631 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10633 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10634 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10635 * doc/invoke.texi (-fshared-data): Delete.
10636 * common.opt (fshared-data): Delete.
10637 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10638 (assemble_static_space): Remove #if 0 code.
10639 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10640 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10641 * config/cris/cris.h: Remove FIXME.
10643 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10645 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10648 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10650 PR middle-end/26379
10651 * combine.c (simplify_shift_const_1): Disable nested shifts
10652 optimization for vector shifts.
10654 2006-02-20 Roger Sayle <roger@eyesopen.com>
10656 PR tree-optimization/26361
10657 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10658 of unsigned integer types.
10660 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10662 * tree-chrec.c (eq_evolutions_p): New.
10663 * tree-chrec.h (eq_evolutions_p): Declared.
10664 * tree-data-ref.c: Fix formatting.
10665 (datadep_stats, dependence_stats): New.
10667 (print_direction_vector): New.
10668 (dump_data_dependence_relation): Use print_direction_vector.
10669 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10670 (compute_subscript_distance): Static.
10671 (initialize_data_dependence_relation): Static. Get the number
10672 of loops surrounding the references from the callers, and initialize
10673 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10674 base_object_differ_p analyzers.
10675 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10676 compute_overlap_steps_for_affine_1_2,
10677 analyze_subscript_affine_affine): Count the classified dependences.
10678 Print a message when a test failed.
10679 (can_use_analyze_subscript_affine_affine): New.
10680 (analyze_siv_subscript): Compute the data dependences on symbolic
10681 scevs that verify can_use_analyze_subscript_affine_affine.
10682 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10683 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10684 Handle symbolic scevs.
10685 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10687 (subscript_dependence_tester): Moved...
10688 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10689 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10690 DDR_SIZE_VECT instead of getting it in parameter.
10691 (subscript_dependence_tester): ... here. Take as a parameter
10692 loop_nest_depth. Call build_classic_dist_vector and
10693 build_classic_dir_vector.
10694 (compute_affine_dependence): Update subscript_dependence_tester
10695 parameters. Update datadep_stats counters. Call
10696 compute_subscript_distance.
10697 (compute_self_dependence): Save the dist and dir vectors. Call
10698 compute_subscript_distance.
10699 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10700 (compute_all_dependences): Reorder parameters as they were before
10701 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10702 compute_subscript_distance. Update the use of
10703 compute_affine_dependence and initialize_data_dependence_relation.
10704 (find_data_references_in_loop): Handle COMPONENT_REF.
10705 (compute_data_dependences_for_loop): Initialize dependence_stats.
10706 Don't call build_classic_dist_vector and build_classic_dir_vector.
10707 Update the parameters of initialize_data_dependence_relation and
10708 compute_all_dependences. Print the statistics from datadep_stats.
10709 (analyze_all_data_dependences): Static. Not used until the pass for
10710 checking the data dependences is contributed.
10711 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10712 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10713 (initialize_data_dependence_relation, compute_affine_dependence,
10714 analyze_all_data_dependences, compute_subscript_distance): Removed.
10715 (print_direction_vector): New.
10716 * lambda.h (gcd): ... here.
10717 (lambda_vector_gcd): Moved here from gcd_vector.
10718 * lambda-code.c (gcd, gcd_vector): Removed.
10719 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10720 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10722 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10724 * ipa-type-escape.c: Tidy some comments and white space.
10725 * tree-ssa-operands.c: Likewise.
10727 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10730 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10731 (dump_decl_name): Do not walk the decl tree chains.
10732 * tree-pass.h (TDF_CHAIN): Remove.
10734 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10736 * Makefile.in (C): Remove
10738 (.PHONY): Remove C and PROTO
10740 2006-02-20 Roger Sayle <roger@eyesopen.com>
10742 PR middle-end/26236
10743 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10744 deprecated CHAR_TYPE tree code.
10746 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10748 * configure.ac (target_list): Add install-info, dvi, html.
10749 * configure: Regenerate.
10751 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10752 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10753 treelang/Make-lang.in: Do not use double-colon rules.
10755 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10757 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10758 (TMT_USED_ALONE): New macro.
10759 * tree-pass.h (PROP_tmt_usage): New property.
10760 (TODO_update_tmt_usage): New todo.
10761 * tree-ssa-alias.c (updating_used_alone): New variable.
10762 (recalculate_used_alone): New function.
10763 (compute_may_aliases): Set updating_used_alone, call
10764 recalculate_used_alone.
10765 * tree-sra.c (pass_sra): Note that this pass destroys
10766 PROP_tmt_usage, and add TODO_update_tmt_usage.
10767 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10768 * tree-flow.h (updating_used_alone): Prototype.
10769 (recalculate_used_alone): Ditto.
10770 * passes.c (execute_todo): Add code to set updating_used_alone,
10771 and call recalculate.
10772 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10773 for clobber if used alone, and add assert to verify used_alone
10776 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10778 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10779 for non tls symbols added.
10780 (legitimize_address): Do nothing for PLUS expressions if one of the
10781 addends is a tls symbol reference.
10783 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10787 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10789 * Makefile.in (BOOTSTRAPPING): New.
10790 (quickstrap): New definition if BOOTSTRAPPING=yes.
10792 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10793 * configure.ac: Substitute all_selected_languages with the languages
10794 that were configured. For all the other variables except
10795 lang_specs_files, include all the languages in the tree.
10796 * configure: Regenerate.
10798 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10799 if there is one. Run the commands to run fixincludes in the same
10802 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10803 * doc/install.texi: Document exact conventions for searching target tools.
10804 Document --with-build-time-tools. Document toplevel bootstrap. Document
10805 something more about building an Ada cross-compiler. Don't list GNU Make
10806 requirements which affect all platforms.
10808 2006-02-19 Roger Sayle <roger@eyesopen.com>
10810 PR middle-end/19543
10811 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10812 only equivalent if the have both the same mode and precision.
10814 2006-02-20 Ben Elliston <bje@au.ibm.com>
10816 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10818 2006-02-19 Roger Sayle <roger@eyesopen.com>
10819 Steven Bosscher <stevenb.gcc@gmail.com>
10821 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10822 constant pool references to identify stack mode constants.
10823 * rtlanal.c (constant_pool_constant_p): New predicate to check
10824 whether operand is a floating point constant in the pool.
10825 * rtl.h (constant_pool_constant_p): Prototype here.
10826 * loop.c (scan_loop): Avoid hoisting constants from the constant
10827 pool on STACK_REGS targets.
10828 (load_mems): Likewise.
10829 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10830 loads into x87 registers expensive in terms of register pressure.
10832 2006-02-19 Roger Sayle <roger@eyesopen.com>
10834 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10835 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10837 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10839 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10840 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10842 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10844 * doc/invoke.texi: Document -fipa-pta.
10845 * common.opt: Add ipa-pta option.
10846 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10847 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10848 (do_ds_constraint): Ditto.
10849 (get_constraint_for): Only add to referenced_vars if
10850 referenced_vars exists.
10851 (insert_into_field_list): Rewrite to do this unsorted.
10852 (insert_into_field_list_sorted): Rename old insert_into_field_list
10854 (create_function_info_for): Use insert_into_field_list_sorted.
10855 (create_variable_info_for): Rewrite so it uses unsorted version,
10856 since the field list is sorted.
10857 (intra_create_variable_infos): Only add to referenced_vars if
10858 referenced_vars exists.
10859 (ipa_pta_execute): Init heapvars, and delete when done.
10860 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10862 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10864 * doc/install.texi: Add missing `@samp'.
10866 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10868 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10871 2006-02-18 Mark Wielaard <mark@klomp.org>
10873 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10874 who added new 4.1 features, bug fixes and integration support.
10876 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10879 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10880 MEM for ABI_V4 pic.
10882 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10884 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10885 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10886 (copy_insn_1): Likewise. Don't copy each field individually.
10888 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10890 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10891 * rtl.c (rtx_size): Rename variable to...
10892 (rtx_code_size): ...this.
10893 (rtx_size): New function.
10894 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10895 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10897 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10898 * rtl.h (rtx_code_size): New variable.
10899 (rtx_size): Change from a variable to a function.
10900 (RTX_SIZE): Rename to...
10901 (RTX_CODE_SIZE): ...this.
10904 PR tree-optimization/17106
10905 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10906 (Anchored Addresses): New section.
10907 * doc/invoke.texi (-fsection-anchors): Document.
10908 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10909 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10910 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10911 * hooks.c (hook_bool_mode_rtx_false): New function.
10912 * hooks.h (hook_bool_mode_rtx_false): Declare.
10913 * gengtype.c (create_optional_field): New function.
10914 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10915 SYMBOL_REF_IN_BLOCK_P is true.
10916 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10917 (min_anchor_offset, max_anchor_offset): Likewise.
10918 (use_anchors_for_symbol_p): New hook.
10919 * toplev.c (compile_file): Call output_object_blocks.
10920 (target_supports_section_anchors_p): New function.
10921 (process_options): Check that -fsection-anchors is only used on
10922 targets that support it and when -funit-at-a-time is in effect.
10923 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10924 if the decl doesn't have one.
10925 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10926 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10927 of force_const_mem through use_anchored_address.
10928 (expand_expr_constant): New function.
10929 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10930 calling expand_expr for INDIRECT_REF.
10931 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10932 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10933 * expr.h (use_anchored_address): Declare.
10934 * loop-unroll.c: Don't declare rtx vectors here.
10935 * explow.c: Include output.h.
10936 (validize_mem): Call use_anchored_address.
10937 (use_anchored_address): New function.
10938 * common.opt (-fsection-anchors): New switch.
10939 * varasm.c (object_block_htab, anchor_labelno): New variables.
10940 (hash_section, object_block_entry_eq, object_block_entry_hash)
10941 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10942 (use_blocks_for_decl_p, change_symbol_section): New functions.
10943 (get_variable_section): New function, split out from assemble_variable.
10944 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10945 use_blocks_for_decl_p say so. Use change_symbol_section if the
10946 symbol has already been created.
10947 (assemble_variable_contents): New function, split out from...
10948 (assemble_variable): ...here. Don't output any code for
10949 block symbols; just pass them to place_block_symbol.
10950 Use get_variable_section and assemble_variable_contents.
10951 (get_constant_alignment, get_constant_section, get_constant_size): New
10952 functions, split from output_constant_def_contents.
10953 (build_constant_desc): Create a block symbol if use_object_blocks_p
10954 says so. Or into SYMBOL_REF_FLAGS.
10955 (assemble_constant_contents): New function, split from...
10956 (output_constant_def_contents): ...here. Don't output any code
10957 for block symbols; just pass them to place_section_symbol.
10958 Use get_constant_section and get_constant_alignment.
10959 (force_const_mem): Create a block symbol if use_object_blocks_p and
10960 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10961 (output_constant_pool_1): Add an explicit alignment argument.
10962 Don't switch sections here.
10963 (output_constant_pool): Adjust call to output_constant_pool_1.
10964 Switch sections here instead. Don't output anything for block symbols;
10965 just pass them to place_block_symbol.
10966 (init_varasm_once): Initialize object_block_htab.
10967 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10968 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10969 (place_block_symbol, get_section_anchor, output_object_block)
10970 (output_object_block_htab, output_object_blocks): New functions.
10971 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10972 (TARGET_ASM_OUT): Include it.
10973 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10974 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10975 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10976 (TARGET_INITIALIZER): Include them.
10977 * rtl.c (rtl_check_failed_block_symbol): New function.
10978 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10979 (block_symbol, object_block): New structures.
10980 (rtx_def): Add a block_symbol field to the union.
10981 (BLOCK_SYMBOL_CHECK): New macro.
10982 (rtl_check_failed_block_symbol): Declare.
10983 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10984 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10985 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10986 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10987 * output.h (output_section_symbols): Declare.
10988 (object_block): Name structure.
10989 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10990 (default_use_anchors_for_symbol_p): Declare.
10991 * Makefile.in (RTL_BASE_H): Add vec.h.
10992 (explow.o): Depend on output.h.
10993 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10994 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10995 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10996 (rs6000_use_blocks_for_constant_p): New function.
10998 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11000 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11002 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11005 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11008 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11010 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11014 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11016 PR middle-end/26334
11017 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11018 instead of DECL_REGISTER.
11020 2006-02-18 Olivier Hainque <hainque@adacore.com>
11023 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11025 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11028 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11029 * opth-gen.awk: Handle Var and InverseMask together.
11030 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11031 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11032 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11033 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11035 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11036 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11037 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11038 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11039 LINUX_DYNAMIC_LINKER): Define.
11040 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11041 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11043 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11044 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11045 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11046 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11047 (TARGET_C99_FUNCTIONS): Don't define.
11048 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11049 GLIBC_DYNAMIC_LINKER.
11050 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11051 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11052 GLIBC_DYNAMIC_LINKER64): Define.
11053 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11054 LINUX_DYNAMIC_LINKER64.
11055 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11056 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11057 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11058 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11059 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11060 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11061 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11062 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11063 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11064 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11065 and LINUX_DYNAMIC_LINKER32.
11066 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11067 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11068 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11069 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11070 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11072 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11073 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11074 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11075 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11076 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11077 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11078 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11079 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11080 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11081 LINUX_DYNAMIC_LINKER): Define.
11082 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11083 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11084 GLIBC_DYNAMIC_LINKER64): Define.
11085 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11086 LINUX_DYNAMIC_LINKER64.
11087 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11088 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11089 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11090 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11091 LINUX_DYNAMIC_LINKER): Define.
11092 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11093 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11094 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11095 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11096 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11097 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11098 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11099 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11100 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11101 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11102 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11103 * doc/invoke.texi (-muclibc): Remove caveat about supported
11106 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11108 * doc/cpp.texi (__TIMESTAMP__): Document.
11110 2006-02-17 Roger Sayle <roger@eyesopen.com>
11112 PR middle-end/25600
11113 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11114 C is one less than the width of X (and related transformations).
11115 * simplify-rtx.c (simplify_unary_operation_1): Transform
11116 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11117 depending on STORE_FLAG_VALUE, were C is one less then the
11120 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11122 Fix PR tree-optimization/26341
11123 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11124 about NAME_MEMORY_TAG's.
11126 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11129 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11130 with hardware float support, and software float support. Add fcpy
11131 alternative to hardware patterns. Add alternatives to copy between
11132 general and floating-point registers to the 32-bit pattern.
11133 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11134 secondary reload to load a QI or HI mode constant into a floating
11136 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11137 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11139 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11142 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11144 (load_macho_picbase_di): Likewise.
11146 2006-02-16 Jeff Law <law@redhat.com>
11148 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11149 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11150 (ssa_name_nonzero_p): Likewise.
11151 (get_value_range): Return NULL if VRP is not running.
11152 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11153 VRP routines do not discover a range.
11154 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11155 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11156 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11157 (tree_expr_nonnegative_p): Similarly.
11158 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11159 (restore_nonzero_vars_to_original_value): Remove.
11160 (unsafe_associative_fp_binop): Remove.
11161 (tree_ssa_dominator_optimize): Remove initialization and
11162 finalization of nonzero_vars and nonzero_vars_stack.
11163 (dom_opt_initialize_block): No longer push marker on
11164 nonzero_vars_stack.
11165 (dom_opt_finalize_block): No longer call
11166 restore_nonzero_vars_to_original_value.
11167 (record_equivalences_from_phis): No longer look for
11168 nonzero PHI arguments.
11169 (cprop_into_successor_phis): No longer propagate nonzero
11170 property into PHI arguments. Lose unused argument. Caller
11172 (record_equivalences_from_stmt): No longer record nonzero
11173 values for SSA_NAMEs.
11174 (lookup_avail_expr): No longer use nonzero_vars.
11176 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11177 for sizetype when sizetype is unsigned.
11179 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11181 PR rtl-optimization/25603
11182 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11183 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11184 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11185 with new meaning of SETS.
11187 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11192 * config/linux.opt: New file.
11193 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11194 LINUX_DYNAMIC_LINKER): Define.
11195 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11196 * config.gcc (*-*-linux*): Define extra_options.
11197 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11198 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11199 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11200 GLIBC_DYNAMIC_LINKER.
11201 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11202 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11203 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11204 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11205 * doc/invoke.texi (GNU/Linux Options): New section.
11207 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11209 * config/sparc/sparc.md (setjmp): Rewrite.
11210 (setjmp_32): Delete.
11211 (setjmp_64): Likewise.
11213 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11215 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11218 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11220 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11223 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11225 PR rtl-optimization/26296
11226 * Makefile.in (loop-invariant.c): Add except.h dependency.
11227 * loop-invariant.c: Include except.h.
11228 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11230 2005-02-16 Paul Brook <paul@codesourcery.com>
11232 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11235 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11237 PR rtl-optimization/25636
11238 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11239 when deciding whether an insn is an initializing insn.
11241 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11243 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11244 (tree_code_size): Ditto.
11245 * tree.h (struct tree_memory_tag): Remove parent_var.
11246 (struct tree_struct_field_tag): New.
11249 (union tree_node): Add sft member.
11250 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11252 (create_sft): Add size and offset argument, set SFT_OFFSET and
11254 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11255 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11256 * tree-flow-inline.h (get_subvar_at): Update for
11257 SFT_OFFSET/SFT_SIZE.
11258 (var_can_have_subvars): Ditto.
11259 (overlap_subvar): Ditto.
11260 * print-tree.c (print_node): Print out interesting things for
11262 * tree-flow.h (struct subvar): Remove offset and size members.
11263 * tree-ssa-operands.c (get_expr_operands): Update for
11264 get_indirect_ref_operands changes.
11265 (get_indirect_ref_operands): Call add_virtual_operand instead of
11266 add_stmt_operand. Only recurse on base var if requested.
11267 (access_can_touch_variable): New function.
11268 (add_stmt_operand): Split virtual operand handling into ...
11269 (add_virtual_operand): Here. Add offset, size, and for_clobber
11270 arguments. Prune alias sets.
11271 (add_call_clobber_ops): Call add_virtual_operand.
11273 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11275 PR middle-end/26300
11276 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11278 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11279 than TREE_CODE as index into omp_clause_num_ops array.
11281 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11283 PR rtl-optimization/26184
11284 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11286 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11287 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11288 must_precede, must_follow and tobe_scheduled.
11291 * opts.c (common_handle_option): Free new_option pointer.
11292 * df-core.c (df_analyze): Free postorder pointer.
11294 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11296 * Makefile.in: Fix the examples about the use of stamps
11298 2006-02-15 Michael Matz <matz@suse.de>
11300 PR middle-end/22275
11302 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11303 influenced by maximum_field_alignment or DECL_PACKED.
11304 (update_alignment_for_field): Ditto.
11305 (place_field): Ditto.
11306 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11309 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11311 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11312 (debug_flow_info): Pass it.
11313 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11314 * bb-reorder.c (reorder_basic_blocks): Likewise.
11315 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11316 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11317 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11318 * gcse.c (gcse_main, bypass_jumps): Likewise.
11319 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11320 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11321 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11322 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11323 * rtl.h (dump_flow_info): Adjust prototype.
11324 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11325 * var-tracking.c (variable_tracking_main): Likewise.
11326 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11327 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11330 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11332 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11335 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11337 PR tree-optimization/26209
11338 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11339 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11341 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11343 2006-02-14 Roger Sayle <roger@eyesopen.com>
11345 PR middle-end/23670
11346 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11347 (X,Y) and the corresponding symmetry related transformations.
11348 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11349 (X,Y) and its symmetry related transformations.
11351 2006-02-14 Roger Sayle <roger@eyesopen.com>
11353 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11356 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11358 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11360 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11363 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11364 support COMDAT group.
11365 * configure: Regenerate.
11367 2006-02-14 Roger Sayle <roger@eyesopen.com>
11369 PR middle-end/26279
11370 PR middle-end/26280
11371 PR middle-end/26283
11372 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11374 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11376 Fix PR tree-optimization/26260
11378 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11380 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11381 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11382 * tree-ssa-structalias.c (create_variable_info_for): Use
11383 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11385 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11387 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11389 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11390 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11391 of the ending condition.
11392 * tree-ssa-loop-manip.c: Include params.h.
11393 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11394 tree_unroll_loop): New functions.
11395 * tree-pass.h (pass_loop_prefetch): Declare.
11396 * loop.c (rest_of_handle_loop_optimize): Test for
11397 -fprefetch-loop-arrays-rtl.
11398 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11399 * timevar.def (TV_TREE_PREFETCH): New timevar.
11400 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11401 pass_loop_prefetch): New.
11402 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11403 (cleanup_tree_cfg_loop): Call scev_reset.
11404 * common.opt (fprefetch-loop-arrays-rtl): Add.
11405 * tree-ssa-loop-prefetch.c: New file.
11406 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11407 (new_temp_expr_table): Initialize expr_vars.
11408 (free_temp_expr_table): Cleanup expr_vars.
11409 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11410 expressions from being merged into one.
11411 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11412 (struct tree_niter_desc): Add control, bound and cmp fields.
11413 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11415 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11416 (tree-cfgcleanup.o): Add SCEV_H dependency.
11417 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11418 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11420 2006-02-14 Richard Guenther <rguenther@suse.de>
11422 PR tree-optimization/26258
11423 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11424 in PHI argument processing.
11426 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11428 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11429 new expression in the requested machine mode.
11431 2006-02-13 Roger Sayle <roger@eyesopen.com>
11433 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11434 directly, instead let do_compare_rtx_and_jump handle this for us.
11435 * expr.c (expand_expr_real_1): Likewise.
11436 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11437 before do_jump_by_parts_greater.
11438 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11439 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11441 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11443 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11445 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11447 PR rtl-optimization/26235
11448 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11449 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11452 2006-02-13 Jeff Law <law@redhat.com>
11454 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11457 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11459 PR middle-end/26092
11460 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11461 twice if decl is a builtin. When trying again, call get_callee_fndecl
11462 first to verify it is still a builtin.
11464 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11466 * dwarf2out.c (base_type_die): Don't add AT_name here.
11467 (subrange_type_die): Don't add AT_name here.
11468 (modified_type_die): Rearrange code flow. Do add AT_name here.
11470 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11472 PR rtl-optimization/26247
11473 PR rtl-optimization/26248
11474 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11476 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11478 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11479 * config/fixtfdi.c: Likewise.
11480 * config/fixunstfdi.c: Likewise.
11481 * config/floatditf.c: Likewise.
11483 2006-02-13 Roger Sayle <roger@eyesopen.com>
11485 PR middle-end/24427
11486 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11487 into (X,C2) if C1 is a subset of the bits of C2. Transform
11488 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11490 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11492 2006-02-13 Josh Conner <jconner@apple.com>
11495 * varasm.c (function_section): Check for section name before
11496 calling select_section on targets that define
11497 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11498 unlikely_text_section instead of hot_function_section if
11499 first_function_block_is_cold.
11501 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11503 PR middle-end/25335
11504 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11506 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11508 PR rtl-optimization/26222
11509 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11510 after tree->rtl expansion.
11511 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11512 before passing it to emit_move_insn.
11514 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11516 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11518 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11519 Clarify documentation.
11520 * c-common.h (warn_write_strings): Remove.
11521 * c-common.c (warn_write_strings): Likewise.
11522 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11525 2006-02-12 Roger Sayle <roger@eyesopen.com>
11527 PR middle-end/25724
11528 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11529 (do_jump_parts_zero_rtx): New function renamed from
11530 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11531 (do_jump_parts_equality_rtx): New function split out from
11532 do_jump_parts_equality. Old implementation renamed as above.
11533 Call do_jump_parts_zero_rtx if either operand is zero.
11534 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11535 do all of the heavy lifting.
11536 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11537 calling either do_jump_by_parts_greater_rtx or
11538 do_jump_by_parts_equality_rtx.
11539 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11540 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11541 moved to do_compare_rtx_and_jump, call it directly.
11542 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11543 mode argument. Call do_compare_rtx_and_jump.
11544 (emit_case_nodes): Update calls to do_jump_if_equal.
11546 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11548 PR rtl-optimization/26225
11549 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11551 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11553 PR rtl-optimization/26232
11554 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11556 2006-02-11 Jason Merrill <jason@redhat.com>
11559 * tree-inline.c (declare_return_variable): Just don't use the
11560 modify target if it's a gimple complex reg and the return slot
11563 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11565 * doc/contrib.texi: Update my entry.
11567 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11569 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11571 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11573 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11576 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11578 * doc/invoke.texi (-floop-optimize2): Removed.
11579 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11580 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11581 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11582 * common.opt (floop-optimize2): Removed.
11583 (fmove-loop-invariants): Enabled by default.
11585 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11587 * tree-if-conv.c (combine_blocks): Free the result of
11588 get_loop_exit_edges.
11590 2006-02-10 Jeff Law <law@redhat.com>
11592 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11594 PR tree-optimization/26213
11595 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11596 loop trying to follow SSA_NAME_VALUE chains.
11598 2006-02-10 Richard Guenther <rguenther@suse.de>
11600 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11601 deal with structures that end in implicitly variable sized arrays.
11603 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11605 PR rtl-optimization/24762
11606 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11609 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11611 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11612 (struct ivopts_data): Add regs_used field.
11613 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11614 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11615 instead of loop_data->regs_used;
11616 (free_loop_data): Do not free aux fields for loops.
11617 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11618 and tree_ssa_iv_optimize_finalize.
11620 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11622 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11624 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11627 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11628 computing the effective result type.
11630 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11632 PR inline-asm/16194
11633 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11634 (tree_overlaps_hard_reg_set): Declare.
11635 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11636 type and signature to match function type expected by walk_tree.
11637 (tree_overlaps_hard_reg_set): New function.
11638 (decl_conflicts_with_clobbers_p): Rename to:
11639 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11640 Use tree_overlaps_hard_reg_set. Changed caller.
11641 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11642 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11643 * cris.c (cris_md_asm_clobbers): Likewise.
11645 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11647 * reload1.c (emit_input_reload_insns): Delete code that tries to
11648 inherit using find_equiv_reg.
11650 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11652 * c-common.h (flag_const_strings): Don't declare.
11653 * c-common.c (flag_const_strings): Remove.
11654 * c.opt (fconst_strings): Remove.
11655 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11656 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11657 (c_common_init_options): Don't set flag_const_strings.
11658 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11660 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11662 * arm.md (tlobits_cbranch): New pattern.
11663 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11664 testing a single bit.
11666 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11669 * tree-ssa-pre.c (create_component_ref_by_pieces):
11670 Handle RETURN_DECL like VAR_DECL.
11672 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11674 PR middle-end/26134
11675 * fold-const.c (fold_indirect_ref_1): Fold
11676 "*(foo *)&complexfoo" to "__real__ complexfoo"
11677 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11679 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11681 * tree-flow-inline.h (var_can_have_subvars):
11682 Volatile variables should not have subvariables.
11684 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11687 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11688 multiplying unsigned values.
11691 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11693 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11695 2006-02-08 Jason Merrill <jason@redhat.com>
11698 * tree.def: Elaborate on difference from MODIFY_EXPR.
11699 * doc/c-tree.texi (INIT_EXPR): Likewise.
11700 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11701 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11702 (gimplify_target_expr): Likewise.
11703 (gimplify_cond_expr): Remove target handling.
11704 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11705 (gimplify_expr): Clobber it here.
11706 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11707 Do return slot optimization if we have an INIT_EXPR.
11710 * tree-inline.c (declare_return_variable): Also clear
11711 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11714 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11716 PR middle-end/22439
11717 * gimplify.c (gimplify_one_sizepos): Fix typo.
11719 2006-02-08 Jeff Law <law@redhat.com>
11721 PR tree-optimization/21417
11722 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11723 across a backedge if the control statement at the end of the
11724 block is data dependent on other statements in the same block.
11725 (record_temporary_equivalences_from_stmts): Remove over-conservative
11726 test for threading across backedges.
11728 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11729 control statement, handle all three special cases in the same
11730 manner as they all have the same desired solution. No longer
11731 special case edge flag updating when the post dominator is
11734 2006-02-08 Roger Sayle <roger@eyesopen.com>
11736 * tree.def (CHAR_TYPE): Remove.
11737 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11738 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11739 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11740 (gen_string_type_die): Delete unreachable function.
11742 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11743 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11744 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11745 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11746 * builtins.c (type_to_class): Likewise.
11747 * fold-const.c (fold_convert, build_range_check,
11748 merge_ranges): Likewise.
11749 * expr.c (count_type_elements): Likewise.
11750 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11751 * stor-layout.c (layout_type): Likewise.
11752 * ipa-type-escape.c (type_to_consider): Likewise.
11753 * gimplify.c (omp_firstprivatize_type_sizes,
11754 gimplify_type_sizes): Likewise.
11755 * explow.c (promote_mode): Likewise.
11756 * tree-sra.c (is_sra_scalar_type): Likewise.
11757 * varasm.c (output_constant): Likewise.
11758 * tree-inline.c (remap_type_1): Likewise.
11759 * convert.c (convert_to_pointer, convert_to_real,
11760 convert_to_integer, convert_to_complex): Likewise.
11762 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11764 * df-scan.c (df_def_record_1): A set destination may
11765 be a parallel regardless of mode.
11767 2006-02-08 Roger Sayle <roger@eyesopen.com>
11770 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11771 * config/mips/_tilib.c: Remove.
11772 * config/fixtfdi.c: New libgcc source file.
11773 * config/fixunstfdi.c: New source file.
11774 * config/floatditf.c: New source file.
11775 * config/floatunditf.c: New souce file.
11776 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11777 files above instead of config/mips/_tilib.c.
11778 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11780 2006-02-08 Jeff Law <law@redhat.com>
11782 PR tree-optimization/26169
11783 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11786 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11788 * df.h (DF_REG_SIZE): Return the length of the initialized
11791 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11793 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11794 __muldf3): Return a correctly signed zero.
11796 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11798 * passes.c (register_one_dump_file): Accept the current properties
11799 instead of pass number. Adjust call to dump_register. Remove
11801 (register_dump_files): Now a wrapper around...
11802 (register_dump_files_1): ... this one. Do not modify the pass
11804 (next_pass_1): Cosmetic fix.
11805 (execute_todo): Keep second parameter only. Use curr_properties
11806 instead of fetching it from the pass structure. Check and set
11808 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11809 instead of fetching it from the pass structure. Fix calls to
11810 execute_todo. Update curr_properties and initialize .vcg RTL dump
11811 after running the pass. Reset last_verified.
11812 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11814 (FIRST_AUTO_NUMBERED_DUMP): New.
11815 (dump_register): Remove "num" parameter, assign it within the
11817 (get_dump_file_name): Modify template for dumps.
11818 * tree-dump.h (dump_register): Adjust prototype.
11819 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11820 (PROP_trees): Add PROP_gimple_lomp.
11821 (TODO_set_props): New.
11822 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11823 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11824 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11826 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11828 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11829 (sparc64-*-linux*): Likewise.
11830 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11831 * config/sparc/t-linux: New file.
11832 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11833 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11834 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11835 -m32 -mlong-double-128.
11837 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11838 * config/alpha/t-linux: New file.
11839 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11841 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11842 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11843 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11844 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11845 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11846 (CPP_ARCH32_SPEC): Remove.
11848 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11850 PR tree-optimization/26145
11851 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11854 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11857 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11858 >= 240000 when generating code for SOM runtime.
11859 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11860 to $$dyncall when generating code for SOM runtime..
11862 2006-02-07 Dirk Mueller <dmueller@suse.com>
11865 * doc/invoke.texi (-Wsequence-point): Update documentation
11866 that -Wsequence-point is implemented for C++ as well.
11868 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11870 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11871 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11872 (LIB_SPEC): Likewise.
11873 * doc/invoke.texi (SPARC options): Document -pthread.
11875 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11877 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11880 2006-02-07 Roger Sayle <roger@eyesopen.com>
11882 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11883 Correct comment describing BOOLEAN_TYPE.
11885 2006-02-07 Dirk Mueller <dmueller@suse.com>
11887 * c.opt: C++ frontend supports -Wdiv-by-zero.
11888 * c-opts.c (c_common_handle_option): Remove dead case.
11890 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11892 * configure.ac (TLS assembler check): Do not enable TLS by
11893 default on SPARC/Solaris before version 10.
11894 * configure: Regenerate.
11896 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11898 * doc/invoke.texi (xl-compat): Document conversion and support
11901 2006-02-07 Jeff Law <law@redhat.com>
11903 * tree-vrp.c (find_conditional_asserts): Update comments.
11904 (simplify_stmt_for_jump_threading): New.
11905 (identify_jump_threads, finalize_jump_threads): New.
11906 (vrp_finalize): Call identify_jump_threads.
11907 (execute_vrp): Call finalize_jump_threads.
11908 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11909 (vrp_element, vrp_data, vrp_element_p): Remove.
11910 (vrp_hash_elt, vrp_variables_stack): Remove.
11911 (vrp_hash, vrp_eq, record_range): Remove.
11912 (simplify_cond_and_lookup_avail_expr): Remove.
11913 (extract_range_from_cond): Remove.
11914 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11915 (simplify_stmt_for_jump_threading): New.
11916 (dom_thread_across_edge): New wrapper.
11917 (tree_ssa_dominator_optimize): No longer initialize or
11918 finalize any of the VRP datastructures. Remove iteration
11919 step and simplify as a result of removal of iteration step.
11920 (pass_dominator): Perform a cfg cleanup after DOM.
11921 (dom_opt_finalize_block): Use the new common routines
11922 for threading jumps. Simplify stack management slightly.
11923 No longer need to unwind VRP state.
11924 (record_equivalences_from_incoming_edge): No longer record
11926 (eliminate_redundant_computations): No longer call
11927 simplify_cond_and_lookup_avail_expr.
11928 * tree-flow.h (potentially_threadable_block): Prototype.
11929 (thread_across_edge): Likewise.
11930 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11931 (tree-ssa-threadedge.o): Add dependencies.
11932 * tree-ssa-threadedge.c: New file.
11933 * passes.c (init_optimization_passes): Merge PHIs before
11934 calling VRP. Run VRP again late in the SSA optimization pipeline.
11936 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11938 * df-core.c (df_set_blocks): Do not dereference function pointers.
11939 (df_finish1): Likewise.
11940 (df_hybrid_search_forward): Likewise.
11941 (df_hybrid_search_backward): Likewise.
11942 (df_iterative_dataflow): Likewise.
11943 (df_analyze_problem): Likewise.
11944 (df_compact_blocks): Likewise.
11945 (df_dump): Likewise.
11946 * df-scan.c (df_rescan_blocks): Likewise.
11947 (df_record_entry_block_defs): Likewise.
11949 * genconditions.c (write_conditions): Guard the definition of
11950 'insn_conditions' with the check on GCC version.
11951 (write_writer): Guard the traversal 'insn_conditions' with
11952 the check on GCC version.
11954 2006-02-07 Richard Guenther <rguenther@suse.de>
11958 2006-01-30 Richard Guenther <rguenther@suse.de>
11960 * gimplify.c (gimplify_target_expr): Handle easy cases
11961 without creating a temporary.
11963 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11965 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11966 use of float in probability computations. Use edge probabilities
11967 in place of statically computed probabilities.
11968 (min_spec_prob): New static variable.
11969 (schedule_insns): Initialize it.
11970 (GET_SRC_PROB): Removed.
11971 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11973 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11976 * config/ia64/unwind-ia64.c: Revert last change.
11977 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11978 (INCOMING_FRAME_SP_OFFSET): Define.
11980 2006-02-06 Roger Sayle <roger@eyesopen.com>
11982 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11984 2006-02-07 Ben Elliston <bje@au.ibm.com>
11986 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11987 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11988 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11989 (ix86_return_in_memory): Handle TDmode.
11990 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11991 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11993 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11995 * reorg.c (dbr_schedule): Use dump_file instead of file.
11997 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12000 * config/ia64/predicates.md (extr_len_operand): New predicate.
12001 * config/ia64/ia64.md (extv): Tighten constraints.
12003 (*tbit_and_2): Ditto.
12004 (*tbit_and_3): Ditto.
12005 (*tbit_or_2): Ditto.
12006 (*tbit_or_3): Ditto.
12007 (*bit_zero): Ditto.
12010 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12013 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12015 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12017 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12018 loop_optimizer_init and loop_optimizer_finalize
12019 * tree-ssa-sink.c (execute_sink_code): Ditto.
12020 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12021 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12022 tree_ssa_loop_done): Ditto.
12023 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12024 * sched-ebb.c: Include output.h.
12025 (schedule_ebbs): Do not use dump argument.
12026 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12027 * loop.c (loop_dump_stream): Removed.
12028 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12030 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12031 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12032 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12033 loop_iterations, strength_reduce, record_biv, record_giv,
12034 final_giv_value, check_final_value, check_ext_dependent_givs,
12035 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12036 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12037 dump_file instead of loop_dump_stream.
12038 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12039 argument dump_file.
12040 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12042 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12043 * haifa-sched.c: Include output.h
12044 (schedule_insns, sched_init): Do not use dump argument.
12045 * mode-switching.c (optimize_mode_switching): Ditto.
12046 * modulo-sched.c (stats_file): Removed.
12047 (print_node_sched_params): Do not call argument dump_file.
12048 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12049 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12051 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12053 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12054 rtl_loop_init, rtl_loop_done): Ditto.
12055 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12056 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12058 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12059 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12060 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12061 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12062 * emit-rtl.c (renumber_insns): Ditto.
12063 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12064 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12065 * regclass.c (regclass): Ditto.
12066 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12067 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12068 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12069 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12071 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12072 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12074 * gcse.c (gcse_file, debug_stderr): Removed.
12075 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12076 rest_of_handle_gcse): Do not use dump argument.
12077 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12078 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12079 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12080 compute_code_hoist_vbeinout, compute_code_hoist_data,
12081 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12082 compute_store_table, build_store_vectors, insert_insn_start_bb,
12083 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12084 store_motion): Use dump_file instead of gcse_file.
12085 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12086 * profile.c (profile_dump_file): Removed.
12087 (branch_prob): Use dump_file instead of profile_dump_file.
12088 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12090 * tree-ssa-copy.c (dump_copy_of): Ditto.
12091 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12092 dump file to life_analysis.
12093 * bt-load.c (branch_target_load_optimize): Ditto.
12094 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12096 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12097 regclass, dbr_schedule): Declaration changed.
12098 * sched-int.h (sched_init): Declaration changed.
12099 * tree-profile.c (tree_profile_dump_file): Removed.
12100 (tree_profile_hooks): Removed profile_dump_file hook.
12101 * rtl-profile (rtl_profile_dump_file): Removed.
12102 (rtl_profile_hooks): emoved profile_dump_file hook.
12103 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12105 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12106 * tree-cfg.c (build_tree_cfg): Ditto.
12107 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12108 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12109 Declaration changed.
12110 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12111 life_analysis and schedule_insns.
12112 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12114 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12116 * config/mips/mips.c (mips_reorg): Ditto.
12117 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12120 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12122 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12123 (s390_mangle_fundamental_type): New.
12124 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12127 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12128 (alpha_mangle_fundamental_type): New.
12129 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12132 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12134 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12136 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12137 (sparc_mangle_fundamental_type): New.
12139 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12141 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12142 (s390x-*-linux*): Likewise.
12143 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12144 * config/s390/t-linux: New file.
12146 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12148 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12149 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12151 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12153 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12154 (ANTIC_SAFE_LOADS): New macro.
12155 (find_or_generate_expression): Add prototype.
12156 (set_contains_value): Allow null set for sake of not always having
12157 to allocate ANTIC_SAFE_LOADS.
12158 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12159 Allow COMPONENT_REF too.
12160 (valid_in_set): Allow COMPONENT_REF.
12161 Check ANTIC_SAFE_LOADS too.
12162 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12163 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12165 (can_PRE_operation): Add COMPONENT_REF.
12166 (create_component_ref_by_pieces): New function.
12167 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12168 (insert_aux): Move AGGREGATE_TYPE_P check here.
12169 (compute_avail): Set bb local stmt uids.
12170 (pass_pre): Use TODO_update_ssa_only_virtuals.
12172 2006-02-06 Ben Elliston <bje@au.ibm.com>
12174 * configure.ac: Unconditionally disable decimal float by default.
12175 * configure: Regenerate.
12177 2006-02-06 Ben Elliston <bje@au.ibm.com>
12179 * read-rtl.c (read_name): Terminate reading on EOF.
12181 2006-02-06 Ben Elliston <bje@au.ibm.com>
12183 * dfp.c (decimal_real_arithmetic): Change second argument type
12184 from int to enum tree_code. Do not always return true, but now
12185 return result of any call to decimal_do helper functions.
12186 * dfp.h (decimal_real_arithmetic): Update prototype.
12188 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12190 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12192 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12195 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12198 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12200 * tree-vrp.c (cfg_loops): Removed.
12201 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12202 Use current_loops instead of cfg_loops. Pass flags to
12203 loop_optimizer_init.
12204 * cfgloopmanip.c (fix_loop_structure): Update only available
12206 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12207 loop_optimizer_init.
12208 * modulo-sched.c (build_loops_structure): Removed.
12209 (sms_schedule): Use loop_optimizer_init.
12210 * loop-init.c (loop_optimizer_init): Use flags to determine
12211 which properties of loops to prepare.
12212 (rtl_loop_init): Pass flags to loop_optimizer_init.
12213 * tree-ssa-sink.c (execute_sink_code): Ditto.
12214 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12215 * tree-ssa-pre.c (init_pre): Ditto.
12216 * cfgloop.h (LOOPS_NORMAL): New.
12217 (loop_optimizer_init): Declaration changed.
12219 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12221 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12222 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12224 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12226 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12228 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12229 * pa/t-pa64: Delete quadlib.c rule.
12230 * pa/x-ada: Revert last change.
12231 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12233 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12235 PR rtl-optimization/26087
12236 * rtlanal.c (canonicalize_condition): Do not cross basic block
12239 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12242 * config/ia64/ia64.c: Include debug.h.
12243 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12244 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12245 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12246 (process_epilogue, process_set, process_for_unwind_directive):
12247 Output unwind info only if requested. Add CFA info if requested.
12248 Add new arguments as needed. Adjust callers.
12249 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12251 (DWARF2_FRAME_INFO): Define to zero.
12252 * config/ia64/unwind-ia64.c: Remove code that compensated for
12253 the CFA offset error fixed above.
12254 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12255 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12256 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12257 -funwind-tables and -fexceptions to enable frame info.
12258 (dwarf2out_frame_init): Define initial CFA even if
12259 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12260 DWARF2_UNWIND_INFO is nonzero, not just defined.
12261 (dwarf2out_frame_finish): Output non-EH call frame info only
12262 if DWARF2_FRAME_INFO is nonzero.
12263 (convert_cfa_to_loc_list,
12264 compute_frame_pointer_to_cfa_displacement): Define even if
12265 unwind info is not supported.
12266 (gen_subprogram_die): Use the above unconditionally. Remove
12267 legacy alternate code.
12268 * toplev.c (compile_file): Compile in call to
12269 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12270 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12272 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12273 Jakub Jelinek <jakub@redhat.com>
12275 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12276 IBM extended float format long double as "g" on powerpc*-linux.
12278 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12281 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12282 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12284 2006-02-03 Jason Merrill <jason@redhat.com>
12287 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12289 PR middle-end/25977
12290 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12291 on the return slot if it's an NRV.
12293 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12295 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12296 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12297 rewrite_use): Do not handle USE_OUTER.
12298 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12299 add_iv_outer_candidates, may_replace_final_value,
12300 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12301 (find_interesting_uses_op): Functionality of
12302 find_interesting_uses_outer_or_nonlin moved here.
12303 (find_interesting_uses_outside): Use find_interesting_uses_op.
12305 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12308 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12310 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12311 Ulrich Weigand <uweigand@de.ibm.com>
12314 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12315 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12316 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12317 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12319 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12320 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12321 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12322 Define secondary reloads for TFmode moves.
12323 (constant_modes): Add TFmode.
12324 (NR_C_MODES): Set to 8.
12325 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12327 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12328 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12329 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12330 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12331 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12332 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12333 (FPR mode macro): Add TFmode.
12334 (DSF mode macro): New.
12335 (<de>, <dee> mode attributes): Removed.
12336 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12337 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12338 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12339 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12340 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12341 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12342 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12343 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12344 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12345 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12346 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12347 "*negabs<mode>2", "sqrt<mode>2"):
12348 Changed <de> to <xde>. R constraint replaced by <Rf>.
12349 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12351 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12352 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12353 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12355 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12356 "extenddftf2", "extendsftf2"): New expanders.
12357 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12358 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12359 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12360 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12362 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12363 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12364 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12365 __floatditf): Add a GCC_4.1.0 symbol version tag.
12366 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12369 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12372 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12373 Use targetm.binds_local_p instead of TREE_PUBLIC.
12375 2006-02-02 Roger Sayle <roger@eyesopen.com>
12377 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12378 on INTEGER_TYPEs to indicate that it denotes a character type.
12379 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12380 signed_char_type_node, unsigned_char_type_node and char_type_node.
12381 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12382 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12383 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12385 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12386 Daniel Berlin <dberlin@dberlin.org>
12388 * tree-tailcall.c (arg_needs_copy_p): New function.
12389 (eliminate_tail_call): Use arg_needs_copy_p.
12390 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12391 (add_virtual_phis): New function.
12393 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12395 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12396 #ignore instead of #scratch for %g7 .register directive.
12398 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12400 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12403 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12405 * flow.c (calculate_global_regs_live): Assert that there aren't any
12408 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12410 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12411 what its name says.
12412 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12413 bsi_after_labels iterator.
12414 * tree-if-conv.c (find_phi_replacement_condition,
12415 replace_phi_with_cond_modify_expr): Likewise.
12416 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12417 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12419 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12421 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12423 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12426 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12427 array after growing it.
12429 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12431 PR middle-end/24901
12432 * fold-const.c (fold_checksum_tree): Change type of buf.
12434 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12436 * reload.c (push_secondary_reload): Initialize t_icode.
12438 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12440 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12441 -msoft-float -mlong-double-128 only issue a warning, but don't
12442 swich to DFmode long double.
12444 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12446 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12447 has a constant equivalent, iterate over equivalents for arg0,
12448 calling simplify_relational_operation and if there's a result
12449 cheaper than X, apply fold_rtx and return the result.
12451 2006-02-01 Jan Hubicka <jh@suse.cz>
12453 * opts.c (no_unit_at_a_time_default): New global variable.
12454 (decode_options): Use it.
12455 * opts.h (no_unit_at_a_time_default): Declare.
12457 2006-02-01 Paul Brook <paul@codesourcery.com>
12459 * function.c (assign_parm_setup_reg): Use function argument promotion
12461 * expr.c (expand_expr_real_1): Use function argument promotion rules
12464 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12466 * gcc.c (process_command): Change j to 'unsigned int'.
12468 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12470 PR middle-end/26001
12471 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12472 Use the corrected index for the character
12473 out of the string constant.
12475 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12477 * mode-switching.c (optimize_mode_switching): Fix size
12478 allocated for bb_info[n_entities].
12480 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12482 * gcc.c (main): Correct type that is allocated for
12483 explicit_link_files.
12485 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12487 * config/s390/s390.c (init_alignment_context): Set
12488 ALIAS_SET_MEMORY_BARRIER on the MEM.
12489 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12491 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12493 PR middle-end/25933
12494 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12496 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12499 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12501 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12502 * regrename.c: Ditto.
12503 * tree-ssa-loop-im.c: Ditto.
12504 * tree-dump.c: Ditto.
12505 * tree-complex.c: Ditto.
12506 * genrecog.c: Ditto.
12507 * tree-ssa-threadupdate.c: Ditto.
12509 * java/class.c: Ditto.
12510 * java/jcf-parse.c: Ditto.
12511 * java/resource.c: Ditto.
12512 * java/except.c: Ditto.
12513 * java/jvspec.c: Ditto.
12514 * java/jcf-write.c: Ditto.
12515 * java/jcf-path.c: Ditto.
12516 * java/gjavah.c: Ditto.
12517 * java/zextract.c: Ditto.
12518 * java/jcf-io.c: Ditto.
12519 * java/jcf.h: Ditto.
12520 * java/buffer.c: Ditto.
12521 * java/lang.c: Ditto.
12522 * java/parse-scan.y: Ditto.
12523 * java/lex.c: Ditto.
12524 * java/lex.h: Ditto.
12525 * cfgloopmanip.c: Ditto.
12526 * postreload-gcse.c: Ditto.
12527 * tree-ssa-loop-manip.c: Ditto.
12528 * postreload.c: Ditto.
12529 * tree-ssa-loop-ch.c: Ditto.
12532 * cppspec.c: Ditto.
12533 * diagnostic.c: Ditto.
12535 * genoutput.c: Ditto.
12537 * cfghooks.c: Ditto.
12538 * cfgloopanal.c: Ditto.
12539 * objc/objc-act.c: Ditto.
12541 * genextract.c: Ditto.
12542 * genautomata.c: Ditto.
12543 * pretty-print.c: Ditto.
12544 * genemit.c: Ditto.
12545 * cgraphunit.c: Ditto.
12547 * df-scan.c: Ditto.
12548 * haifa-sched.c: Ditto.
12549 * dominance.c: Ditto.
12551 * tree-ssa-loop-ivopts.c: Ditto.
12552 * df-core.c: Ditto.
12553 * mode-switching.c: Ditto.
12554 * modulo-sched.c: Ditto.
12556 * ipa-pure-const.c: Ditto.
12558 * fix-header.c: Ditto.
12560 * tree-stdarg.c: Ditto.
12561 * ipa-utils.c: Ditto.
12562 * loop-init.c: Ditto.
12563 * ipa-inline.c: Ditto.
12564 * cfganal.c: Ditto.
12566 * alloc-pool.c: Ditto.
12567 * dwarf2out.c: Ditto.
12569 * genattrtab.c: Ditto.
12570 * tree-ssa-loop-ivcanon.c: Ditto.
12571 * predict.c: Ditto.
12572 * timevar.c: Ditto.
12574 * fortran/gfortranspec.c: Ditto.
12575 * regmove.c: Ditto.
12576 * local-alloc.c: Ditto.
12577 * langhooks.c: Ditto.
12578 * function.c: Ditto.
12579 * tree-vectorizer.c: Ditto.
12581 * ipa-type-escape.c: Ditto.
12583 * tree-if-conv.c: Ditto.
12584 * profile.c: Ditto.
12586 * tree-data-ref.c: Ditto.
12587 * loop-unroll.c: Ditto.
12588 * treelang/treetree.c: Ditto.
12590 * bt-load.c: Ditto.
12591 * ggc-common.c: Ditto.
12593 * coverage.c: Ditto.
12595 * tree-cfgcleanup.c: Ditto.
12596 * tree-ssa-pre.c: Ditto.
12597 * cfgcleanup.c: Ditto.
12598 * loop-invariant.c: Ditto.
12599 * loop-iv.c: Ditto.
12600 * ipa-prop.c: Ditto.
12601 * print-tree.c: Ditto.
12602 * conflict.c: Ditto.
12603 * ggc-page.c: Ditto.
12604 * sched-deps.c: Ditto.
12605 * regclass.c: Ditto.
12606 * tree-object-size.c: Ditto.
12607 * combine.c: Ditto.
12608 * bb-reorder.c: Ditto.
12609 * resource.c: Ditto.
12610 * var-tracking.c: Ditto.
12611 * cfgloop.c: Ditto.
12612 * df-problems.c: Ditto.
12613 * reg-stack.c: Ditto.
12615 * gccspec.c: Ditto.
12616 * sched-rgn.c: Ditto.
12617 * tree-ssa-structalias.c: Ditto.
12618 * tree-ssa-reassoc.c: Ditto.
12619 * config/darwin-c.c: Ditto.
12620 * config/darwin.c: Ditto.
12621 * config/arm/arm.c: Ditto.
12623 * collect2.c: Ditto.
12624 * reload1.c: Ditto.
12626 2006-01-31 Nicolas Pitre <nico@cam.org>
12628 * arm.md (smaxsi3): Make aware of smax_m1.
12631 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12633 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12635 2006-01-31 Richard Guenther <rguenther@suse.de>
12637 * doc/invoke.texi (-msselibm): Document.
12638 * target.h (expand_library_builtin): New target hook.
12639 * builtins.c (expand_builtin): Use expand_library_builtin.
12640 (default_expand_library_builtin): New function.
12641 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12642 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12643 (link_gcc_math_spec): Declare.
12644 (static_specs): Add link_gcc_math_spec.
12645 * expr.h (default_expand_library_builtin): Declare.
12646 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12647 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12648 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12649 * config/i386/i386.opt (msselibm): New target option.
12650 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12651 (ix86_init_sse_abi_builtins): New function.
12652 (ix86_expand_library_builtin): Likewise.
12653 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12654 (override_options): Handle error conditions wrt -msselibm.
12655 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12656 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12657 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12660 2006-01-31 Richard Guenther <rguenther@suse.de>
12661 Paolo Bonzini <bonzini@gnu.org>
12663 * doc/install.texi (--disable-libgcc-math): Document.
12665 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12667 * expr.h (expand_normal): new inline function.
12668 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12669 * dojump.c: use it.
12670 * dwarf2out.c: use it.
12673 * expmed.c: use it.
12674 * except.c: use it.
12675 * config/sparc/sparc.c: use it.
12676 * config/i386/i386.c: use it.
12677 * config/rs6000/rs6000.c: use it.
12678 * config/arm/arm.c: use it.
12679 * config/mips/mips.c: use it.
12680 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12682 2006-01-30 Roger Sayle <roger@eyesopen.com>
12684 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12685 argv to the appropriate type.
12687 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12689 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12692 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12695 * config/s390/s390.c (struct machine_function): New flag
12696 decomposed_literal_pool_addresses_ok_p.
12697 (s390_reorg): Set it before final stage of literal pool transforms.
12698 (s390_decompose_address): Only accept displacements of the form
12699 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12701 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12703 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12704 the comparison routine return.
12706 2006-01-30 Michael Matz <matz@suse.de>
12708 * global.c (find_reg): Only evict for global regs.
12709 Take n_refs into account and dump more info.
12711 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12714 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12715 (pragma_trap, pragma_nosave_low_regs): Likewise.
12716 (current_function_anonymous_args): Likewise.
12717 (sh_deferred_function_attributes): New variable.
12718 (sh_deferred_function_attributes_tail): Likewise.
12719 (print_operand): For '@', look up trap_exit attribute.
12720 (calc_live_regs): Look up trapa_handler attribute. For trapa
12721 handlers, save/restore fpscr, but don't do any other
12722 interrupt-specific saves.
12723 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12724 Fix check for partially saved registers to check for SHmedia.
12725 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12726 (sh_output_function_epilogue): Don't clear any of the removed
12728 (sh_insert_attributes): Don't check pragma_interrupt.
12729 Insert deferred attributes. Check that interrupt attribute is
12730 present for other attributes that require its presence.
12731 (sh_attribute_table): Add new attributes trapa_handler and
12733 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12734 Don't check for pragma_interrupt. Don't store argument.
12735 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12736 (sh_deferred_function_attributes): Declare.
12737 (sh_deferred_function_attributes_tail): Likewise.
12738 * sh.md (sp_switch_1): Add operand. Change generator caller.
12739 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12740 (*return_i): Don't use when trap_exit attribute is in effect.
12741 (*return_trapa): New insn pattern.
12742 * sh-c.c: New file.
12743 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12744 setting c_target_objs and cxx_target_objs.
12745 * t-sh: Add rule for sh-c.o.
12747 2006-01-30 Richard Guenther <rguenther@suse.de>
12750 * gimplify.c (gimplify_target_expr): Handle easy cases
12751 without creating a temporary.
12753 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12755 * vec.h (safe_grow): Remove duplicated line.
12757 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12760 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12761 (expand_omp): ... here.
12762 (expand_omp_parallel): Only remove barriers for combined
12763 parallel+workshare constructs.
12765 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12769 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12770 * tree.c (build_qualified_type): Chain the new type to the original
12771 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12772 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12773 (build_pointer_type_for_mode): Only return unqualified types.
12774 (build_reference_type_for_mode): Likewise.
12776 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12778 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12779 * Makefile.in (CXX_COMPAT_WARN): Define.
12780 * configure: Regenerate.
12782 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12785 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12788 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12790 * toplev.c: Fix thinko.
12792 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12793 Marcin Dalecki <martin@dalecki.de>
12795 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12796 (push_srcloc): Use XNEW.
12797 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12799 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12801 * df-core.c (df_set_blocks): Deleted all variable.
12803 2006-01-28 Ian Lance Taylor <ian@airs.com>
12805 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12806 cgraph_output_pending_asms.
12808 2006-01-28 Zack Weinberg <zackw@panix.com>
12810 * c.opt: Add -W(no-)overlength-strings.
12811 * doc/invoke.texi: Document it.
12812 * c-opts.c (c_common_handle_option): -pedantic implies
12813 -Woverlength-strings, if not explicitly disabled already.
12814 (c_common_post_options): -Woverlength-strings defaults to off, and
12815 is always off for C++.
12816 * c-common.c (fix_string_type): Issue warning about strings longer
12817 than is portable only if warn_overlength_strings. Rearrange code
12818 a little for clarity.
12819 * configure.in: Check for -Wno-overlength-strings as well before
12820 enabling -pedantic in stage 1.
12821 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12822 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12824 * genconditions.c (write_header, write_one_condition)
12825 (write_conditions, write_writer): Consolidate very long strings
12826 that were broken up to fit in C89 portable limit. Don't use
12827 printf when fputs will do.
12829 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12831 * combine.c (simplify_comparison <AND>): Check
12832 TRULY_NOOP_TRUNCATION before start using a subreg.
12834 * config/mips/mips.md (*branch_zero<mode>,
12835 *branch_zero<mode>_inverted, *branch_equality<mode>,
12836 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12837 Remove mode check from comparisons.
12839 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12841 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12843 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12845 * expmed.c (const_mult_add_overflow_p): Remove.
12846 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12848 * recog.c (validate_replace_rtx_subexp): Remove.
12849 * recog.h: Remove the prototype for
12850 validate_replace_rtx_subexp.
12852 * integrate.h: Remove the prototype for
12853 copy_decl_for_inlining.
12854 * rtl.h: Remove the prototype for mark_constant_function.
12855 * tree-vectorizer.h: Remove the prototype for
12856 vect_strip_conversion.
12858 * modulo-sched.c (create_partial_schedule,
12859 free_partial_schedule, reset_partial_schedule): Make them
12862 * hooks.c (hook_bool_rtx_int_false): Remove.
12863 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12865 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12867 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12868 and -mlong-double-128 are incompatible.
12869 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12870 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12871 (TARGET_LIBGCC2_CFLAGS): Define.
12872 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12873 (TARGET_LIBGCC2_CFLAGS): Same.
12874 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12876 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12879 * c-typeck.c (build_binary_op): Perform implicit casts of
12880 operands before shortening them.
12882 * cfgloopmanip.c (split_loop_bb): Remove.
12883 * cfgloop.h: Remove the prototype for split_loop_bb.
12885 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12886 * cfgloop.h: Remove the prototype for
12887 flow_loop_outside_edge_p.
12889 * emit-rtl.c (init_virtual_regs): Make it static.
12890 * function.h: Remove the prototype for init_virtual_regs.
12892 * recog.c (peephole2_optimize): Make it static.
12893 * recog.h: Remove the prototype for peephole2_optimize.
12895 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12897 * df-scan.c (df_record_entry_block_defs): Check if
12898 INCOMING_RETURN_ADDR_RTX is defined.
12900 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12901 Kenneth Zadeck <zadeck@naturalbridge.com>
12903 PR rtl-optimization/24762
12904 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12905 * targhooks.c (hook_void_bitmap): New hook prototype.
12906 * targhoohs.h (hook_void_bitmap): Ditto.
12907 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12908 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12909 * target.h (live_on_entry): New function pointer.
12910 * df-scan.c (df_all_hard_regs): Removed.
12911 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12912 (df_scan_free_internal): Added df->entry_block_defs.
12913 (df_scan_alloc): Ditto.
12914 (df_scan_dump): Ditto.
12915 (df_uses_record): Plumbed flag field properly thru calls.
12916 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12917 This part fixes PR24762.
12918 (df_bb_refs_record): Added code to make the frame and arg
12919 pointers live in EH blocks.
12920 (df_refs_record): Added call to df_record_entry_block_defs.
12921 (df_record_entry_block_defs): New function.
12922 * df-core.c: Added comments to describe new artifical defs.
12923 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12924 (entry_block_defs): New field in struct df.
12925 (df_all_hard_regs): Deleted.
12926 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12927 * df-problems.c (df_ru_bb_local_compute_process_def):
12928 Added code to handle artifical defs in the entry to a function.
12929 (df_ru_bb_local_compute): Ditto.
12930 (df_rd_bb_local_compute_process_def): Ditto.
12931 (df_rd_bb_local_compute): Ditto.
12932 (df_lr_bb_local_compute): Ditto.
12933 (df_ur_bb_local_compute): Ditto.
12934 (df_urec_bb_local_compute): Ditto.
12935 (df_chain_create_bb): Ditto.
12936 (df_ur_local_finalize): Removed entry.
12937 (df_urec_init): Ditto.
12938 (df_urec_local_finalize): Ditto.
12939 (df_ri_bb_compute): Added detection of last use of pseudos.
12940 * Makefile.in (df-scan.o): Updated dependencies.
12941 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12942 * config/mips/mips.c (mips_set_live_on_entry): Added.
12943 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12945 * dce.c (marked_insn_p): Added code to handle artifical defs.
12947 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12949 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12951 (_mm_cvtsi128_si64): Likewise.
12952 (_mm_cvtsd_si64): Likewise.
12953 (_mm_cvttsd_si64): Likewise.
12954 (_mm_cvtsi64_sd): Likewise.
12955 (_mm_cvtsi64_si128): Likewise.
12956 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12957 (_mm_cvtsi64_m64): Likewise.
12958 (_m_to_int64): Likewise.
12959 (_mm_cvtm64_si64): Likewise.
12960 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12961 (_mm_cvttss_si64): Likewise.
12962 (_mm_cvtsi64_ss): Likewise.
12963 (_mm_cvtss_f32): Likewise.
12965 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12967 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12968 for pragma redefine_extname.
12970 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12973 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12974 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12975 -mno-minimal-toc to previous content.
12976 (bispecs): Remove goal.
12977 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12978 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12979 compatibility aliases on powerpc-*-*gnu*.
12980 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12981 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12982 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12983 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12984 (ldblspecs): New goal.
12985 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12986 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12988 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12989 L_sf_to_tf or L_df_to_tf is defined.
12991 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12992 Alan Modra <amodra@bigpond.net.au>
12995 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12996 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12997 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12998 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12999 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13000 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13001 (rs6000_override_options): Initialize rs6000_ieeequad.
13002 Initialize TFmode format to ibm_extended_format if not
13004 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13006 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13007 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13008 (function_arg_advance): IBM long double passed in two FPRs, not
13010 (function_arg): IBM long double passed in FPRs.
13011 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13012 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13013 Only multireg GPR aligned.
13014 (rs6000_init_libfuncs): Enable IBM long double functions if not
13016 (rs6000_generate_compare): Use IBM long double compare if not
13018 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13019 (TARGET_IEEEQUAD): Define.
13020 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13021 not TARGET_IEEEQUAD.
13022 * config/rs6000/rs6000.md: Enable TFmode patterns if
13024 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13025 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13026 and -mlong-double-128 are incompatible.
13027 * doc/invoke.texi (-mabi): Collect options together. Add
13028 ibmlongdouble and ieeelongdouble.
13030 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13032 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13034 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13035 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13036 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13037 * rtl.h (rtunion_def): Remove rt_ptr.
13039 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13040 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13041 * config/i386/winnt.c (i386_pe_mark_dllexport)
13042 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13044 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13046 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13048 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13052 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13053 pthread_key_delete. From John David Anglin. gthrw-ify
13054 pthread_getunique_np only if it it's not a macro. Delete
13056 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13057 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13058 __gthread_objc_condition_signal, __gthread_key_delete): Add
13059 "__attribute__ ((__unused__))" to unused arguments.
13060 (__gthread_recursive_mutex_init_function): Add missing return.
13061 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13062 gthr-posix95.h: Use macro-based approach for name redirection
13063 on targets missing weakref.
13065 2006-01-26 Zack Weinberg <zackw@panix.com>
13067 * genconditions.c (write_header): In generated code, #ifdef out
13068 all includes and fake declarations, except includes of bconfig.h
13069 and system.h, unless GCC_VERSION >= 3001. Do not include
13070 gensupport.h in any case.
13071 (write_conditions): Generate a definition of struct c_test. Add
13072 a comment to the generated #endif.
13073 (write_one_condition): Escape backslashes in string too.
13074 (write_writer): Generated code must escape backslashes and quote
13075 marks (but not newlines) in the strings it writes.
13076 * Makefile.in (build/gencondmd.o): Update dependencies.
13078 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13081 * Makefile.in (insn-automata.o): Add header file dependencies.
13082 * genautomata.c: Add includes.
13084 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13087 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13089 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13091 * configure.ac: Expect target tools paths to be passed from the toplevel
13092 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13094 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13096 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13099 * c.opt (Wpointer-sign): Init to -1.
13100 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13101 OPT_pedantic, to 0 otherwise.
13102 * doc/invoke.texi: Update.
13104 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13106 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13107 constants provided by 80387 instructions in the destination mode.
13109 2006-01-26 Richard Guenther <rguenther@suse.de>
13110 Andrew Pinski <pinskia@physics.uc.edu>
13113 partial PR tree-opt/17064
13114 * tree-ssa-structalias.c (intra_create_variable_infos):
13115 Create heap variables for incoming parameters if
13116 flag_argument_noalias > 1.
13117 (find_what_p_points_to): Look through default defs of
13120 2006-01-26 Jeff Law <law@redhat.com>
13123 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13124 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13125 within the VR_RANGE, use the VR_RANGE as the result, not the
13127 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13128 bounds for the type.
13130 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13132 * tree-ssa-alias.c (maybe_create_global_var): Change
13133 subvar walking to an assertion that we don't have subvar'd variables.
13135 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13138 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13139 Use a new variable, inner. PARM_DECLs are always non-weak.
13141 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13143 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13144 --disable-checking.
13146 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13148 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13150 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13152 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13153 (smax_insn, smin_insn, smax_0, smin_0): New.
13155 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13158 * config/cris/cris.c (cris_order_for_addsi3): New function.
13159 * config/cris/cris-protos.h: Prototype it.
13160 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13161 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13162 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13163 (split for "op.S1 [rx=rx+i],ry (swapped)")
13164 (split for "op(s|u).S1 [rx=rx+i],ry")
13165 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13166 Apply cris_order_for_addsi3 when generating addsi3 insns.
13168 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13170 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13171 (TREE_BLOCK): Add call to EXPR_CHECK.
13173 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13176 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13177 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13178 (dump_omp_clauses): ... here.
13179 (dump_generic_node): Handle OMP_CLAUSE.
13180 * tree.c (omp_clause_num_ops): New.
13181 (omp_clause_code_name): New.
13182 (tree_code_size): Handle OMP_CLAUSE.
13183 (tree_size): Likewise.
13184 (make_node): Document handling of OMP_CLAUSE.
13185 (tree_node_structure): Handle OMP_CLAUSE.
13186 (omp_clause_check_failed): New.
13187 (omp_clause_range_check_failed): New.
13188 (omp_clause_operand_check_failed): New.
13189 (build_omp_clause): New.
13190 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13191 * tree.h (enum omp_clause_code): Declare.
13192 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13193 (OMP_CLAUSE_RANGE_CHECK): Define.
13194 (OMP_CLAUSE_ELT_CHECK): Define.
13195 (omp_clause_check_failed): Declare.
13196 (omp_clause_operand_check_failed): Declare.
13197 (omp_clause_range_check_failed): Declare.
13198 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13199 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13200 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13201 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13202 (OMP_CLAUSE_IF_EXPR): Likewise.
13203 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13204 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13205 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13206 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13207 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13208 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13209 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13210 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13211 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13212 (OMP_CLAUSE_CODE): Define.
13213 (OMP_CLAUSE_SET_CODE): Define.
13214 (OMP_CLAUSE_CODE): Define.
13215 (OMP_CLAUSE_OPERAND): Define.
13216 (struct tree_omp_clause): Declare.
13217 (union tree_node): Add field 'omp_clause'.
13218 * treestruct.def (TS_OMP_CLAUSE): Define.
13219 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13220 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13221 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13222 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13223 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13224 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13225 (OMP_CLAUSE): Define.
13226 * print-tree.c (print_node): Handle OMP_CLAUSE.
13227 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13228 * c-typeck.c: Likewise.
13229 * gimplify.c: Likewise.
13230 * c-omp.c: Likewise.
13231 * tree-nested.c: Likewise.
13232 * tree-inline.c: Likewise.
13233 * c-parser.c: Likewise.
13234 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13237 2006-01-25 Roger Sayle <roger@eyesopen.com>
13239 PR rtl-optimization/25703
13240 * combine.c (try_combine): Handle zero_extract and strict_low_part
13241 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13243 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13245 * global.c: Fix comment typos.
13247 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13250 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13251 Use output_addr_const instead of assemble_name.
13253 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13255 * Makefile.in (sched-vis.o): Update dependencies.
13256 * haifa-sched.c (sched_finish): Clear current_sched_info.
13257 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13258 (dump_flow_info): Call it.
13259 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13261 * basic-block.h (dump_bb_info): Declare.
13262 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13263 option, and apply options only for dump files whose TDF_RTL,
13264 TDF_TREE, or TDF_IPA bits match.
13265 * rtl.h: Declare new functions exported from sched-vis.c.
13266 * sched-vis.c: Enable also if scheduling is not used.
13267 (print_value): Print the mode of registers if not inside scheduling.
13268 (print_insn): Make it work outside the scheduler. Beautify the output
13270 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13272 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13274 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13275 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13276 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13277 depending on the value of CONSTANT_POOL_ADDRESS_P.
13278 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13280 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13281 rather than SYMBOL_REF_DECL.
13282 (rtx_constant_pool): Remove const_rtx_sym_htab.
13283 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13284 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13285 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13286 Remove handling of const_rtx_sym_htab.
13287 (find_pool_constant): Delete.
13288 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13289 rather than find_pool_constant.
13290 (get_pool_constant_for_function): Delete.
13291 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13292 find_pool_constant.
13293 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13294 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13295 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13296 (SYMBOL_REF_CONSTANT): New macro.
13297 (get_pool_constant_for_function): Delete.
13298 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13299 rather than SYMBOL_REF_DECL.
13300 (i386_pe_mark_dllimport): Likewise.
13301 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13302 rather than SYMBOL_REF_DECL.
13303 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13304 (machopic_indirect_call_target): Likewise.
13306 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13308 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13310 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13312 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13314 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13316 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13318 2006-01-24 David Daney <ddaney@avtrex.com>
13321 * configure.ac (enable_tls): New enable option.
13322 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13323 * configure: Regenerate.
13324 * doc/install.texi (--enable-tls): Document new option.
13325 (--disable-tls): Ditto.
13327 2006-01-24 Richard Henderson <rth@redehat.com>
13329 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13330 * alias.c (true_dependence): Respect it.
13331 (canon_true_dependence, write_dependence_p): Likewise.
13332 * builtins.c (get_builtin_sync_mem): Set it.
13334 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13336 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13339 2006-01-24 DJ Delorie <dj@redhat.com>
13341 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13342 for storing constants in single-bit bitfields.
13344 2006-01-25 Ben Elliston <bje@au.ibm.com>
13346 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13348 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13351 * tree-ssa-pre.c (phi_translate): Return NULL
13352 for AGGREGATE_TYPE's.
13354 2006-01-24 Zack Weinberg <zackw@panix.com>
13356 * genautomata.c (process_state_for_insn_equiv_partition):
13357 Use xcalloc for insn_arcs_array.
13358 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13359 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13361 2006-01-24 Richard Henderson <rth@redhat.com>
13363 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13364 update all callers.
13366 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13368 PR rtl-optimization/25890
13369 PR rtl-optimization/25905
13370 * combine.c (expand_compound_operation, expand_field_assignment):
13371 Fail if the bitfield's final position is out of bounds.
13373 2006-01-24 Ian Lance Taylor <ian@airs.com>
13375 PR middle-end/25930
13376 * cgraphunit.c (cgraph_output_in_order): Don't clear
13377 cgraph_asm_nodes until after asm strings have been output.
13379 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13381 * fix-header.c (read_scan_file): Add new parameter imultilib when
13382 calling register_include_chains.
13384 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13386 * omp-low.c: Update documentation.
13388 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13389 Daniel Berlin <dberlin@dberlin.org>
13393 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13394 return from the function.
13396 2006-01-22 Zack Weinberg <zackw@panix.com>
13398 * rtl.def (match_code): Add second argument.
13399 * genpreds.c (write_extract_subexp): New function.
13400 (write_match_code): Add path argument. Use write_extract_subexp.
13401 (write_predicate_expr): Pass path to write_match_code.
13402 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13403 not perform a mode test.
13404 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13405 a subexpression does not constrain the top-level code set.
13406 * read-rtl.c (read_rtx_variadic): New function.
13407 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13408 * doc/md.texi: Document new notation.
13409 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13410 (cmpsi_operand): ... here, using new notation.
13412 2006-01-22 Zack Weinberg <zackw@panix.com>
13414 * varray.c: Remove GENERATOR_FILE #ifdefs.
13416 2006-01-22 Zack Weinberg <zackw@panix.com>
13418 * genautomata.c (output_reserved_units_table): Emit nothing if
13419 description->query_units_num is zero. Remove extra blank line.
13420 (output_cpu_unit_reservation_p): Short circuit
13421 if description->query_units_num is zero.
13423 2006-01-22 Zack Weinberg <zackw@panix.com>
13425 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13426 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13427 nor any of the random handful of variables that used to be necessary
13428 when this program was linked with rtlanal.o. Prune set of forward
13429 function declarations.
13430 (struct attr_desc): Remove static_p field.
13431 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13432 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13433 (attr_string): Do not read the character one past the length of
13435 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13436 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13437 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13438 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13439 (make_automaton_attrs): New.
13440 (main): Do not call into genautomata. Call local gen_bypass
13441 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13442 Remove special case for insn_alts.
13443 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13444 varray.h (leftover from previous change). Prune set of forward
13445 function declarations. Remove state_alts fields from all
13446 structures. Remove state_alts_table from struct automaton.
13447 Make everything except main static. Do not maintain num_dfa_decls.
13448 Do not maintain state_alts fields of various structures.
13449 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13450 (add_arc): Remove state_alts argument. All callers updated.
13451 (output_reserved_units_table): Emit #ifdef here...
13452 (output_tables): ...not here. Don't generate state_alts tables.
13453 (expand_automata): Don't generate attributes.
13454 (write_automata): Don't generate state_alts functions.
13455 (main): New function.
13456 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13457 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13458 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13459 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13460 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13461 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13462 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13463 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13465 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13466 * genattrtab.h: Delete file.
13467 * Makefile.in (OBJS-common): Add insn-automata.o.
13468 (insn-automata.o): New rule.
13469 (simple_generated_c): Add insn-automata.c.
13470 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13471 (genprogmd): Add automata.
13472 (build/genattrtab): Needs no extra objects nor libraries.
13473 (build/genautomata): Needs build/vec.o and -lm.
13475 2006-01-22 Zack Weinberg <zackw@panix.com>
13477 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13478 (output_dfa_max_issue_rate, locked_states_num): Delete.
13479 (struct automaton): Add locked_states field.
13480 (output_dead_lock_vect): Save number of locked states in
13481 automaton->locked_states. If it is zero, don't print anything.
13482 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13483 (output_internal_dead_lock_func): Only test the dead_lock_vect
13484 for automata that have locked states.
13485 (output_statistics): Always print the number of locked states for
13486 each automaton. Calculate total number of locked states here.
13487 (write_automata): Don't call output_dfa_max_issue_rate.
13488 * genattrtab.c: Define length_unit_log as a const variable.
13489 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13490 max_insn_queue_index const.
13491 * final.c (length_unit_log): Declare const.
13492 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13494 2006-01-22 Zack Weinberg <zackw@panix.com>
13496 * genautomata.c: Include vec.h, not varray.h.
13497 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13498 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13499 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13500 VEC_* macros operating on appropriately typed vectors, or to
13501 malloced arrays when the size is known in advance. Const-ify
13502 many char* variables and function arguments. No functional changes.
13503 * Makefile.in (build/varray.o): Delete rule.
13504 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13505 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13507 2006-01-22 Zack Weinberg <zackw@panix.com>
13509 * gensupport.c: Define get_insn_name and record_insn_name here.
13510 (read_md_rtx): Call record_insn_name as appropriate.
13511 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13512 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13513 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13515 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13516 (BUILD_VARRAY): Delete.
13517 (genprognormal): Rename genprogmd. Fold in all programs from
13518 genprognoprint; also attrtab.
13519 (build/genattrtab): Just mention genautomata.o and varray.o.
13520 Reorganize a bit, add comments to make the categories clearer.
13522 2006-01-22 Zack Weinberg <zackw@panix.com>
13524 * genconditions.c (condition_table, add_condition): Delete.
13525 (write_conditions): Don't emit n_insn_conditions nor
13526 insn_elision_unavailable. Issue the gcc version #ifdef here,
13527 inside the table, with no #else clause ...
13528 (write_header): ...not here.
13529 (write_writer): New function.
13530 (main): Don't initialize condition_table. Use add_c_test.
13532 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13533 files on the command line.
13534 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13535 Return -1 if there is no entry in the table, don't abort.
13536 (add_c_test, traverse_c_tests): New functions.
13537 * gensupport.h (insn_elision_unavailable, insn_conditions)
13538 (n_insn_conditions): Delete declarations.
13539 (add_c_test, traverse_c_tests): Declare.
13540 * read-rtl.c: Include gensupport.h.
13541 (read_conditions): New function.
13542 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13543 (read_rtx_1): If we get EOF when we were looking for an initial
13544 open paren, return 0. Call read_conditions when appropriate.
13545 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13546 dummy-conditions.o. Eliminate references to insn-conditions.o,
13547 or change them to build/gencondmd.o, as appropriate. Remove
13548 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13549 from $(simple_generated_c). For all files remaining in those
13550 two lists, add insn-conditions.md to the generator command line.
13551 Give insn-constants.h/s-constants their own rules. Add rules
13552 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13553 (build/read-rtl.o): Depend on gensupport.h.
13554 (genprognormal): Include preds.
13555 (genprogearly): Rename genprognoprint; only difference is now that
13556 they don't link with $(BUILD_PRINT).
13557 * dummy-conditions.c: Delete.
13559 2006-01-22 Zack Weinberg <zackw@panix.com>
13561 * genextract.c: Don't include insn-config.h. Do include vec.h.
13562 Declare vectors of int, char, and locstr.
13563 (locstr): New typedef.
13564 (struct extraction): Make all array fields into bare pointers.
13565 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13566 (insn_code_number): Delete.
13567 (accum_extract): New struct.
13568 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13569 (gen_insn): Take insn_code_number as an argument. Use an
13570 accum_extract structure instead of loading data directly into
13571 a struct extraction, and having to know how big it might get.
13572 (walk_rtx): Operate entirely on an accum_extract structure.
13573 (print_path): Avoid unnecessary use of printf.
13574 (print_header): New function, split out of main. Distinguish
13575 more carefully between an unrecognizable insn and an insn that
13576 has the code number of a define_expand.
13577 (main): Pass insn_code_number to gen_insn. Call print_header
13578 only after parsing. Avoid unnecessary use of printf.
13579 * Makefile.in (build/vec.o): New rule.
13580 (build/genextract): Depend on build/vec.o.
13581 (build/genextract.o): Don't depend on insn-config.h.
13583 2006-01-22 Zack Weinberg <zackw@panix.com>
13585 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13586 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13587 practical. Eliminate per-generator-program link rules.
13589 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13591 PR middle-end/24437
13592 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13593 with a call expr to ...
13594 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13596 2006-01-23 Richard Guenther <rguenther@suse.de>
13598 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13599 before make_edge with conditional EDGE_TRUE_VALUE.
13601 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13602 Jan Hubicka <jh@suse.cz>
13603 Richard Guenther <rguenther@suse.de>
13605 PR rtl-optimization/25654
13606 * cfgexpand.c (aggregate_contains_union_type): New function.
13607 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13608 for structure variables that contain a union type.
13610 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13612 * gengtype.c (new_structure): Return the structure.
13613 (create_option): Add an extra "next" argument.
13614 (create_field): New function.
13615 (adjust_field_rtx_def): Use create_option and create_field.
13616 Remove a now-unnecessary call to find_structure.
13617 (adjust_field_tree_def): Likewise.
13618 (note_yacc_type): Remove an unnecessary call to find_structure.
13619 * gengtype.h (new_structure): Return the structure.
13620 (create_option): Add an extra argument.
13621 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13622 (option): Adjust calls to create_option.
13624 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13626 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13628 2006-01-22 Paul Brook <paul@codesourcery.com>
13629 Peter Barada <peter@the-baradas.com>
13631 * config/m68k/m68k.md: Add Coldfire FPU support.
13632 Define FP mode macro and associated attributes.
13633 Use it for float mode patterns.
13634 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13635 (LIBCALL_VALUE): Use m68k_libcall_value.
13636 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13637 (m68k_function_value): Ditto.
13638 (emit_move_sequence): Ditto.
13639 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13640 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13641 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13642 (MULTILIB_EXCEPTIONS): Ditto.
13643 * config/m68k/m68k.opt: Add mcfv4e.
13644 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13645 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13646 (m68k_output_function_prologue): Save ColdFire FPU registers.
13647 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13648 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13649 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13650 ColdFire FPU registers.
13651 (m68k_libcall_value, m68k_function_value): New functions.
13652 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13653 (LIBCALL_VALUE): Use m68k_libcall_value.
13654 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13655 (MASK_COLDFIRE): Add MASK_CFV4E.
13656 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13657 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13658 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13659 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13660 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13661 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13662 * doc/invoke.tex: Document -mcfv4e on m68k.
13664 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13666 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13669 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13672 * c-opts.c (c_common_handle_option): Don't include
13673 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13674 * doc/invoke.texi (C++ Dialect Options): Document that
13675 -Wnon-virtual-dtor is no longer included in -Wall.
13677 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13679 * gcov.c (print_version), gcov-dump.c (print_version),
13680 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13683 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13685 * df-scan.c (problem_SCAN): Added NULL reset function.
13686 (df_scan_reset_blocks): Added code to call reset block function
13687 (df_bb_refs_delete) Fixed comment.
13688 (df_insn_refs_delete): Made tolerant of deleting non existent info
13689 for dataflow problems that need to be reset.
13690 * df-core.c (df_set_blocks): Ditto.
13691 * df.h (struct df_problem): Added reset_fun.
13692 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13693 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13694 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13695 functions to clear out all references to def-use or use-def chains.
13697 2006-01-21 Ben Elliston <bje@au.ibm.com>
13699 * varasm.c (assemble_real): Initialise data array.
13701 2006-01-20 Paul Brook <paul@codesourcery.com>
13703 Merge from csl-arm-branch.
13704 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13705 * config/arm/arm.md (movdi): Force operands[1] to a register
13706 if we have a non-register source.
13707 (*arm_movdi, *movdf_soft_insn): Require that one of the
13708 operands be a register.
13709 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13710 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13712 2006-01-20 DJ Delorie <dj@redhat.com>
13714 * varasm.c (initializer_constant_valid_p): Allow pointers
13715 initialized from integer constants of lesser precision.
13716 (output_constant): Allow non-int-sized pointer modes to be
13717 initialized from integer constants.
13719 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13722 * cppdefault.h (struct default_include): Add multilib flag.
13723 * cppdefault.c (cpp_include_defaults): Set it.
13724 * c.opt (-imultilib): New option.
13725 * c-opts.c (imultilib): New.
13726 (c_common_handle_option): Handle -imultilib.
13727 (c_common_post_options): Likewise.
13728 * c-incpath.c (add_standard_paths, register_include_chains):
13730 * c-incpath.h (register_include_chains): Add extra parameter.
13731 * gcc.c (do_spec_1): Generate -imultilib option.
13732 (The Specs Language): Update %I description.
13733 (process_command): Update copyright notice.
13734 * doc/cppopts.texi (-imultilib): Document.
13735 * doc/invoke.texi (-imultilib): Include in option summary.
13736 (%I): Update specs documentation.
13738 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13740 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13742 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13744 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13747 2006-01-20 Richard Guenther <rguenther@suse.de>
13748 Steven Bosscher <stevenb.gcc@gmail.com>
13750 PR rtl-optimization/24626
13751 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13752 EDGE_TRUE_VALUE if in RTL mode.
13755 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13756 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13758 2006-01-20 Dirk Mueller <dmueller@suse.com>
13761 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13762 instead of a special NOP marker.
13763 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13764 NOP marker handling.
13765 * c-common.h (empty_body_warning): Add forward declaration.
13766 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13767 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13769 2006-01-20 Paul Brook <paul@codesourcery.com>
13771 * Makefile.in (lang_checks): Keep going if mkdir fails.
13773 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13775 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13776 be able to clean out basic block when not necessary.
13777 (df_scan_free): Fixed to properly delete information if df is
13778 unused before calling df_finish.
13779 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13780 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13782 (df_bb_refs_delete): New function.
13783 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13784 * df-core.c (df_set_blocks): Added code to properly clean out
13785 unused blocks if they are not part of the blocks to consider.
13786 Added additional null check.
13787 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13788 be able to clean out basic block when not necessary
13789 * df.h (df_free_bb_function): Ditto.
13790 (df_bb_refs_delete): New function.
13791 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13792 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13793 basic block parameter to be able to clean out basic block when not
13795 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13796 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13797 Fixed to properly delete information if df is unused before
13800 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13802 PR rtl-optimization/25799
13803 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13804 Corrected confluence operator to remove bits from op2 before oring
13805 with op1 rather than removing bits from op1.
13806 (df_ru_transfer_function): Corrected test on wrong bitmap which
13807 caused infinite loop. Both of these problems were introduced in
13808 the dataflow rewrite.
13810 2006-01-19 DJ Delorie <dj@redhat.com>
13812 * reload1.c (find_reload_regs): Note the details of reload
13813 failures in the dump file.
13814 (spill_failure): Likewise.
13816 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13818 * loop-iv.c: Include df.h and hashtab.h.
13819 (enum iv_grd_result): New enum.
13820 (DF_REF_IV, DF_REF_IV_SET): New macros.
13821 (struct biv_entry): New.
13822 (df, bivs): New global variables.
13823 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13824 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13826 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13827 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13828 analyzed_for_bivness_p, record_biv): New functions.
13829 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13830 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13831 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13833 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13835 (iv_number_of_iterations): Use new interface to iv analysis.
13836 * loop-unroll.c: Do not include varray.h.
13837 (analyze_iv_to_split_insn): Use new interface to iv
13839 * loop-unswitch.c (may_unswitch_on): Ditto.
13840 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13842 (df_bb_modify): Realloc tables to the new index.
13843 (df_find_use): New function.
13844 * df.h (df_find_use): Declare.
13845 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13847 * cfgloop.h (struct rtx_iv): Remove analysed field.
13848 (iv_get_reaching_def): Removed.
13849 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13850 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13851 (loop-iv.o): Add df.h and hashtab.h dependency.
13852 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13854 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13857 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13859 (__floatundisf, __floatundidf): Likewise.
13860 * libgcc2.h (IS_IBM_EXTENDED): Define.
13862 2006-01-19 DJ Delorie <dj@redhat.com>
13864 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13866 2006-01-19 Paul Brook <paul@codesourcery.com>
13868 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13869 as nothrow when unwinding tables are disabled.
13871 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13874 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13875 of bit-field" when in system header.
13877 2006-01-19 DJ Delorie <dj@redhat.com>
13879 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13880 the 16 bit shift limit of the m16c.
13882 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13885 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13886 * config/i386/i386.c (output_set_got): Output the label if we have one
13887 for the TARGET_DEEP_BRANCH_PREDICTION case.
13889 2006-01-19 Jan Hubicka <jh@suse.cz>
13890 H.J. Lu <hongjiu.lu@intel.com>
13891 Evandro Menezes <evandro.menezes@amd.com>
13893 * invoke.texi (generic): Document
13895 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13896 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13897 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13898 (x86_use_incdec, x86_pad_returns): New variables
13899 (TARGET_CPU_DEFAULT_generic): New constant
13900 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13901 (enum processor_type): Add generic32 and generic64.
13902 * i386.md (cpu attribute): Add generic32/generic64
13903 (movhi splitter): Behave sanely when both partial_reg_dependency and
13904 partial_reg_stall are set.
13905 (K8 splitters): Enable for generic as well.
13906 * predicates.md (incdec_operand): Use TARGET_INCDEC
13907 (aligned_operand): Avoid memory mismatch stalls.
13908 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13909 * ppro.md: Enable for generic32
13910 * i386.c (generic64_cost, generic32_cost): New.
13911 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13912 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13913 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13914 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13915 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13916 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13917 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13918 x86_accumulate_outgoing_args, x86_prologue_using_move,
13919 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13920 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13921 Enable for generic.
13922 (x86_use_incdec, x86_pad_returns): New.
13923 (override_options): Add generic32 and generic64, translate "generic"
13924 to generic32/generic64 and "i686" to "generic32", refuse
13925 "generic32"/"generic64" as arch target.
13926 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13927 (ix86_reorg): Honor PAD_RETURNS.
13929 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13931 * tree-pretty-print.c (dump_generic_node): Handle
13932 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13933 * cgraph.c (cgraph_expand_queue): Rename from
13934 cgraph_analyze_queue. Update all users.
13935 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13936 cgraph_expand_queue.
13937 (cgraph_expand_all_functions): Likewise.
13938 (cgraph_finalize_pending_functions): Remove. Update callers.
13940 * tree.h (OMP_DIRECTIVE_P): Define.
13941 (OMP_PARALLEL_FN): Define.
13942 (OMP_PARALLEL_DATA_ARG): Define.
13943 (OMP_SECTIONS_SECTIONS): Define.
13944 * tree-pass.h (pass_expand_omp): Declare.
13945 * omp-low.c (struct omp_region): Declare.
13946 (struct omp_context): Remove fields 'parallel_type',
13947 'parallel_start_ix' and 'parallel_start_additional_args'.
13949 (struct omp_for_data): Rename from struct expand_omp_for_data.
13950 (omp_regions): New static variable.
13951 (root_omp_region): New static variable.
13952 (find_omp_clause): Make static.
13953 (is_in_combined_parallel_ctx): Remove.
13954 (is_combined_parallel): New.
13955 (extract_omp_for_data): Move earlier in the file.
13956 (workshare_safe_to_combine_p): New.
13957 (get_ws_args_for): New.
13958 (determine_parallel_type): Move earlier in the file.
13959 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13961 (omp_copy_decl): Likewise.
13962 (create_omp_child_function): Likewise.
13963 (lookup_omp_region): New.
13964 (dump_omp_region): New.
13965 (debug_omp_region): New.
13966 (debug_all_omp_regions): New.
13967 (new_omp_region): New.
13968 (scan_omp_parallel): If parallel_nesting_level > 1, the
13969 directive is nested within another parallel directive.
13970 Set OMP_PARALLEL_FN.
13971 (scan_omp_for): Do not try to handle combined parallel+for
13973 Remove FIXME comment.
13974 (scan_omp_nested): Remove.
13975 (scan_omp_1): Do not call scan_omp_nested when
13976 parallel_nesting_level is > 1.
13977 Do not change the DECL_CONTEXT of local variables found.
13978 (lookup_decl_in_outer_ctx): New.
13979 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13980 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13981 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13982 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13983 If CTX is nested, lookup VAR in the outer context when
13984 building copy assignment.
13985 (lower_send_clauses): Rename from expand_send_clauses.
13986 If CTX is nested, lookup VAR in the outer context when
13987 building copy assignments.
13988 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13989 If CTX is nested, lookup VAR in the outer context when
13990 building copy assignments.
13991 (expand_parallel_call): Rename from build_parallel_call.
13992 Handle combined parallel+workshare cases.
13993 Re-implement to emit code into the CFG.
13995 (expand_omp_parallel): Re-implement to emit code into the CFG.
13996 Call move_sese_region_to_fn to outline the sub-graph
13997 containing the parallel region.
13998 (expand_omp_for_1): Remove.
13999 (expand_omp_for_generic): Re-implement to emit code into the
14001 (expand_omp_for_static_nochunk): Likewise.
14002 (expand_omp_for_static_chunk): Likewise.
14003 (expand_omp_for): Likewise.
14004 (expand_omp_sections): Likewise.
14005 (remove_exit_barriers): New.
14006 (expand_omp_synch): New.
14008 (build_omp_regions_1): New.
14009 (build_omp_regions): New.
14010 (execute_expand_omp): New.
14011 (gate_expand_omp): New.
14012 (pass_expand_omp): Define.
14013 (lower_omp_sections): Rename from expand_omp_sections.
14014 Set OMP_SECTIONS_SECTIONS.
14015 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14016 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14017 (lower_omp_single): Rename from expand_omp_simple.
14018 (lower_omp_master): Rename from expand_omp_master.
14019 (lower_omp_ordered): Rename from expand_omp_ordered.
14020 (lower_omp_critical): Rename from expand_omp_critical.
14021 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14022 (lower_omp_for): Re-implement.
14023 (lower_omp_parallel): Re-implement.
14024 (lower_regimplify): Rename from expand_regimplify.
14025 (lower_omp_1): Rename from expand_omp_1.
14026 If there are syntax errors in the program, replace every
14027 OpenMP directive with NOP.
14028 Call lower_omp_* instead of expand_omp_*.
14029 (lower_omp): Rename from expand_omp.
14031 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14032 * tree-gimple.h (enum omp_parallel_type): Remove.
14033 (gimple_boolify): Declare extern.
14034 (find_omp_clause, determine_parallel_type): Remove.
14036 * gimple-low.c (lower_omp_directive): New.
14037 (lower_stmt): Call it.
14038 (record_vars_into): Move from ...
14039 (record_vars): ... here.
14040 Call record_vars_into with current_function_decl.
14042 * gimplify.c (struct gimplify_ctx): Remove fields
14043 combined_pre_p and combined_ctxp. Update users.
14044 (get_formal_tmp_var): Add documentation.
14045 (gimple_boolify): Make extern.
14046 (gimplify_expr_in_ctx): Remove. Update callers.
14047 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14048 will always be a BIND_EXPR.
14049 (gimplify_expr): Handle OMP_RETURN_EXPR.
14050 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14051 (OMP_PARALLEL): Add 3 operands.
14052 (OMP_SECTIONS): Add 1 operand.
14053 (OMP_RETURN_EXPR): Define.
14055 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14056 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14057 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14058 creating a circular free list.
14059 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14061 * tree-flow.h (move_sese_region_to_fn): Declare.
14062 (record_vars_into): Declare.
14063 * tree-cfg.c (make_omp_sections_edges): New.
14064 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14065 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14066 OMP_SECTIONS and OMP_SECTION.
14067 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14068 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14069 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14070 (gather_blocks_in_sese_region): New.
14071 (struct move_stmt_d): Declare.
14072 (move_stmt_r): New.
14073 (move_block_to_fn): New.
14074 (move_sese_region_to_fn): New.
14076 * passes.c (init_optimization_passes): Schedule
14077 pass_expand_omp after pass_init_datastructures.
14079 * tree-ssa-operands.c (get_expr_operands): Handle
14080 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14081 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14083 2006-01-19 Jeff Law <law@redhat.com>
14085 * tree-vrp.c (extract_range_from_assert): Refine the result range
14086 if the variable referenced by the ASSERT_EXPR has a range and
14087 either the tentative result range or the previous range is a
14090 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14092 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14094 2006-01-19 Jan Hubicka <jh@suse.cz>
14096 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14098 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14100 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14101 (expand_compound_operation, expand_field_assignment): Fail if the
14102 bit lengths of an extract operation are out of range.
14103 (make_extraction): Compute wanted_inner_mode based on the position
14104 and length of the extraction. Make it extraction_mode for non-constant
14105 positions, and do not modify offset in that case. When generating a
14106 new MEM, use a mode that can hold the extraction while keeping correct
14107 alignment. Remove code that supported MEMs wrapped by USEs.
14108 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14110 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14112 * config/s390/s390.md ("Y", "y"): New mode attribute.
14113 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14114 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14115 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14116 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14117 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14118 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14119 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14120 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14121 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14122 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14123 "addsi3", "subsi3"): Insn patterns removed.
14124 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14125 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14126 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14127 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14128 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14129 "*sub<mode>3_cconly2"): New insn patterns.
14130 ("addsi3", "subsi3"): New expanders.
14132 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14134 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14135 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14136 existing STMT_VINFO_VECTYPE if available.
14137 (vect_mark_relevant): Add special handling for stmts that are
14138 marked as STMT_VINFO_IN_PATTERN_P.
14139 (vect_analyze_loop): Call vect_pattern_recog.
14140 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14141 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14143 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14144 (vect_recog_func_ptr): New function-pointer type.
14145 * tree-vect-patterns.c: New file.
14146 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14147 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14148 (vect_pattern_recog_1): New functions.
14149 (vect_pattern_recog_funcs): New array of function pointers.
14151 * tree-vectorizer.h (ternary_op): New enum value.
14152 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14153 declaration. Revised documentation. Removed redundant dump prints.
14154 Removed redundant argument. Added support for reduction patterns.
14155 (vectorizable_reduction): Added support for reduction patterns.
14156 (vect_transform_stmt): Added support for patterns.
14158 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14159 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14160 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14161 (expand_widen_pattern_expr): New function.
14162 (init_optabs): Initialize new optabs udot_prod_optab,
14164 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14165 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14166 (expand_widen_pattern_expr): New function declaration.
14167 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14169 * tree-inline.c (estimate_num_insns_1): Added cases for new
14170 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14171 * tree-pretty-print.c (dump_generic_node): Likewise.
14172 (op_prio): Likewise.
14173 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14174 * tree-ssa-operands.c (get_expr_operands): Added case for
14176 * tree-vect-patterns.c (widened_name_p): New function.
14177 (vect_recog_dot_prod_pattern): Added function implementation.
14178 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14179 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14180 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14181 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14183 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14184 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14185 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14186 (init_optabs): Initialize new optabs widen_ssum_optab,
14188 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14189 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14190 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14191 use instead of type of def.
14192 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14193 function implementation.
14194 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14195 widen_ssumv8hi): New.
14197 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14200 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14203 * c-decl.c (add_flexible_array_elts_to_size): New function.
14204 (finish_decl): Use it.
14206 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14208 * diagnostic.h: Include options.h.
14209 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14210 dependancies for diagnostic.h.
14211 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14213 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14215 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14216 (ssa_ro_call_cache_valid): Ditto.
14217 * tree-ssa-alias.c (sort_tags_by_id): New function.
14218 (init_transitive_clobber_worklist): Ditto.
14219 (add_to_worklist): Ditto.
14220 (mark_aliases_call_clobbered): Ditto.
14221 (compute_tag_properties): Ditto.
14222 (set_initial_properties): Ditto.
14223 (compute_call_clobbered): Ditto.
14224 (compute_may_aliases): Call compute_call_clobbered and grouping.
14225 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14226 (compute_flow_insensitive_aliasing): Grouping now happens in our
14228 (setup_pointers_and_addressables): Remove clobbering related code.
14229 (add_may_alias): Ditto.
14230 (replace_may_alias): Ditto.
14231 (get_nmt_for): Ditto.
14232 (create_global_var):
14233 (is_escape_site): Return an escape_type enumeration.
14234 * tree-flow-inline.h (is_call_clobbered): Global var does not
14235 imply call clobbered.
14236 (mark_call_clobbered): Take a reason for marking this. Remove
14237 marking of globalness, and cache invalidation.
14238 (clear_call_clobbered): Remove cache invalidation code.
14239 * tree-dfa.c (dump_variable): If details is on, dump the reason
14241 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14243 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14244 (struct var_ann_d): Ditto.
14245 (enum escape_type): New.
14246 (mark_call_clobbered): Adjust prototype.
14247 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14248 are never call clobbered.
14249 Record reasons for escaping.
14250 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14251 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14252 (ssa_ro_call_cache_valid): Ditto.
14253 (clobbered_v_may_defs): Ditto.
14254 (clobbered_vuses): Ditto.
14255 (ro_call_vuses): Ditto.
14256 (clobber_stats): New.
14257 (init_ssa_operands): Zero out clobber stats.
14258 (fini_ssa_operands): Print out clobber stats.
14259 (get_call_expr_operands): Pass callee fndecl to
14260 add_call_read_ops).
14261 (add_call_clobber_ops): Remove use of cache.
14262 Add use of PURE_CONST information.
14263 (add_call_read_ops): Remove use of cache.
14264 Add use of static not_read information.
14266 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14268 Introduce TLS descriptors for i386 and x86_64.
14269 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14270 (TARGET_ANY_GNU_TLS): New macro.
14271 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14272 (struct machine_function): Add tls_descriptor_call_expanded_p.
14273 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14274 (ix86_current_function_calls_tls_descriptor): Likewise.
14275 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14276 (override_options): Introduce gnu2 tls dialect.
14277 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14279 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14281 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14282 (ix86_init_machine_status): Initialize new field.
14283 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14284 (ix86_tls_module_base): New.
14285 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14286 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14287 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14288 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14289 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14290 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14291 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14292 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14293 * config/i386/predicates.md (tls_modbase_operand): New.
14294 (tp_or_register_operand): New.
14296 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14298 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14299 (look_for_address_of): Ditto.
14300 (ipa_init): Walk the function decls.
14301 (static_execute): Don't set readonly on FUNCTION_DECL's.
14303 2006-01-18 Roger Sayle <roger@eyesopen.com>
14305 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14306 for shifts where the source and destination registers are different.
14308 2006-01-18 Paul Brook <paul@codesourcery.com>
14310 Merge from csl-arm-branch.
14311 2005-03-14 Julian Brown <julian@codesourcery.com>
14312 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14313 (aeabi_llsl): Likewise.
14314 (ashrdi3): Likewise.
14315 (aeabi_lasr): Likewise.
14316 (lshrdi3): Likewise.
14317 (aeabi_llsr): Likewise.
14318 2005-03-10 Julian Brown <julian@codesourcery.com>
14319 * config.gcc: Disable shared libgcc for SymbianOS.
14320 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14322 2006-01-18 DJ Delorie <dj@redhat.com>
14324 * c-pragma.c (handle_pragma_diagnostic): New.
14325 (init_pragma): Register it.
14326 * doc/extend.texi: Document it.
14328 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14329 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14330 (diagnostic_context): Add classify_diagnostic[].
14331 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14332 as errors if they're overridden to DK_WARNING.
14333 (diagnostic_initialize): Initialize classify_diagnostic[].
14334 (diagnostic_set_kind_override): New.
14335 (diagnostic_report_diagnostic): Check for kind changes.
14336 * opts.c (common_handle_option): Take lang_mask. Update callers.
14337 Handle OPT_Werror_.
14338 * common.opt (Werror=): New.
14339 * doc/invoke.texi: Document -Werror=*
14341 2006-01-18 Jeff Law <law@redhat.com>
14343 * tree-vrp.c (test_for_singularity): Correct test for new
14344 min limit. Use operand_equal_p rather than pointer equality
14345 for testing if new min/max values are equal.
14347 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14348 using range information until after propagation and folding.
14350 2006-01-18 Richard Henderson <rth@redhat.com>
14351 Aldy Hernandez <aldyh@redhat.com>
14352 Jakub Jelinek <jakub@redhat.com>
14353 Diego Novillo <dnovillo@redhat.com>
14355 * omp-low.c: New file.
14356 * c-omp.c: New file.
14358 2006-01-18 Richard Henderson <rth@redhat.com>
14359 Jakub Jelinek <jakub@redhat.com>
14360 Diego Novillo <dnovillo@redhat.com>
14362 * doc/invoke.texi: Document -fopenmp.
14363 * tree-dump.h (debug_function): Declare.
14364 * hooks.c (hook_bool_tree_bool_false): New function.
14365 (hook_tree_tree_null): Remove.
14366 (hook_tree_tree_tree_null): New.
14367 * hooks.h: Update to match.
14368 * tree-pretty-print.c (debug_tree_chain): New.
14369 (print_generic_expr): Handle TDF_CHAIN.
14370 (dump_generic_node): Handle BLOCK.
14371 Do not abort with incomplete SWITCH_EXPRs.
14372 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14373 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14374 print space after directive name.
14375 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14376 Handle OMP_MASTER and OMP_ORDERED.
14377 Handle printing of OMP_BODY just in one place, goto
14378 dump_omp_body in the rest of OMP_* nodes that have
14380 Don't handle clause nodes here. Update omp statements to
14381 use dump_omp_clauses.
14382 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14383 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14384 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14385 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14386 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14387 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14388 Adjust output for GOMP_PARALLEL.
14389 (dump_omp_clauses): New.
14390 (print_declaration): Dump DECL_VALUE_EXPR.
14391 (op_symbol_1): Split out of op_symbol.
14392 (dumping_stmts): Remove. Update all users.
14393 * cgraph.c (cgraph_analyze_queue): New.
14394 (cgraph_add_new_function): New.
14395 * cgraph.h (cgraph_analyze_queue): Declare.
14396 (cgraph_add_new_function): Declare.
14397 (cgraph_lower_function): Remove.
14398 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14399 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14400 and TYPE_P nodes in its default clause.
14401 (empty_body_p): New.
14402 (tree_range_check_failed): New.
14403 (build5_stat): New.
14404 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14405 OMP_CLAUSE_REDUCTION_MERGE,
14406 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14407 OMP_CLAUSE_PRIVATE_DEBUG,
14408 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14409 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14410 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14411 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14412 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14413 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14414 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14415 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14416 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14417 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14418 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14419 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14420 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14421 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14422 (TREE_RANGE_CHECK): New.
14423 (empty_body_p): Declare.
14424 (enum omp_clause_default_kind): New.
14425 (build_string_literal): Declare.
14426 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14427 (build5_stat, build5): Declare.
14428 * tree-pass.h (TDF_CHAIN): Define.
14429 * tree-pass.h (PROP_gimple_lomp): Define.
14430 (pass_lower_omp): Declare.
14431 * diagnostic.h (debug_tree_chain): Declare.
14432 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14434 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14435 * builtins.c (build_string_literal): Make extern.
14436 * gcc.c (include_spec_function): New.
14437 (static_spec_functions): Add it.
14438 (main): Move load of libgomp.spec ...
14439 (LINK_COMMAND_SPEC): ... here.
14440 (link_gomp_spec): New.
14441 (static_specs): Include it.
14442 (LINK_COMMAND_SPEC): Add link_gomp.
14443 (GOMP_SELF_SPECS): New.
14444 (driver_self_specs): Include it.
14445 (switch_matches): Don't mark inline.
14446 (main): Load libgomp.spec.
14447 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14448 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14449 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14450 * tree-gimple.h (enum omp_parallel): Declare.
14451 (determine_parallel_type): Declare.
14452 (omp_firstprivatize_variable): Declare.
14453 (omp_reduction_init): Declare.
14454 (diagnose_omp_structured_block_errors): Declare.
14455 (struct walk_stmt_info): Add want_return_expr.
14456 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14457 (find_omp_clause): Declare.
14458 (insert_field_into_struct): Declare.
14459 (struct walk_stmt_info): Move from tree-nested.c
14460 (walk_stmts): Declare.
14461 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14463 * cgraphunit.c (cgraph_lower_function): Make static.
14464 (cgraph_finalize_pending_functions): New.
14465 (cgraph_finalize_function): Call it.
14466 (cgraph_finalize_compilation_unit): Likewise.
14467 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14468 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14469 (BT_FN_UINT_UINT): New.
14470 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14471 DEF_FUNCTION_TYPE_VAR_4): Document.
14472 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14473 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14474 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14475 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14476 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14477 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14478 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14479 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14480 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14481 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14482 into separate files.
14483 (DEF_GOMP_BUILTIN): New.
14484 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14485 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14486 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14487 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14488 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14489 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14490 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14491 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14492 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14493 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14494 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14495 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14496 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14497 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14498 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14499 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14500 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14501 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14502 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14503 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14504 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14505 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14506 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14507 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14508 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14509 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14510 * sync-builtins.def: New file, moved from builtins.def.
14511 * omp-builtins.def: New file, moved from builtins.def.
14512 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14513 * gimple-low.c (lower_function_body): Clear data.
14514 (lower_stmt): Do not handle COMPOUND_EXPR.
14515 Remove call to print_node_brief.
14516 * c-tree.h (c_finish_omp_clauses): New prototype.
14517 (C_DECL_THREADPRIVATE_P): Define.
14518 (lookup_name_no_remap, c_omp_remap_private): Remove
14519 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14520 (check_for_loop_decls): Update decl.
14521 (lookup_name_no_remap, c_omp_remap_private): Declare.
14522 (build_indirect_ref, build_modify_expr, pushdecl,
14523 pushdecl_top_level): Move to c-common.h.
14524 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14525 before the switch, but just in the 2 places that need it.
14526 * c-decl.c (diagnose_mismatched_decls): Do not check for
14527 mismatched thread-local attributes when OLDDECL is marked
14528 threadprivate and NEWDECL has no thread-local attributes.
14529 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14530 (c_gimple_diagnostics_recursively): Rename from
14531 c_warn_unused_result_recursively. Invoke
14532 diagnose_omp_structured_block_errors.
14533 (check_for_loop_decls): Return a singular decl found.
14534 * langhooks.c (lhd_omp_predetermined_sharing): Return
14535 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14536 (lhd_omp_firstprivatize_type_sizes): New.
14537 (lhd_omp_assignment): New.
14538 (lhd_omp_predetermined_sharing): New.
14539 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14540 (struct lang_hooks_for_types): Add
14541 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14542 omp_predetermined_sharing, omp_disregard_value_expr,
14543 omp_private_debug_clause, omp_clause_default_ctor,
14544 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14545 (c_finish_omp_clauses): New.
14546 (c_finish_bc_stmt): Diagnose break within omp for.
14547 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14548 (build_unary_op): Return error_mark after reporting
14550 (build_modify_expr): Likewise.
14551 * gimplify.c: Include optabs.h and pointer-set.h.
14552 (enum gimplify_omp_var_data): Declare.
14553 (struct gimplify_omp_ctx): Declare.
14554 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14556 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14557 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14558 (splay_tree_compare_decl_uid): New.
14559 (new_omp_context): New.
14560 (delete_omp_context): New.
14561 (gimple_add_tmp_var): Call omp_add_variable.
14562 (gimplify_bind_expr): Likewise.
14563 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14564 true, disregard DECL_VALUE_EXPR on the decl if any.
14565 (gimplify_expr_in_ctx): New.
14566 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14567 omp_add_variable, omp_notice_variable, omp_is_private
14568 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14569 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14570 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14571 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14572 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14573 gimplify_omp_atomic): New.
14574 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14575 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14576 OMP_CRITICAL and OMP_ATOMIC.
14577 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14578 * c-pragma.h (enum pragma_kind): Add
14579 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14580 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14581 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14582 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14583 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14584 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14585 PRAGMA_OMP_THREADPRIVATE.
14586 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14587 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14588 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14589 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14590 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14591 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14592 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14593 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14594 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14595 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14596 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14597 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14598 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14600 (struct nesting_info): Add field_map,
14601 suppress_expansion, debug_var_chain.
14602 (create_nesting_tree): Initialize them.
14603 (lookup_field_for_decl): Use field_map.
14604 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14605 (convert_local_omp_clauses): New.
14606 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14607 (walk_body): Split out of walk_function.
14608 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14609 (convert_nonlocal_reference): Handle omp statements.
14610 (convert_local_reference): Likewise.
14611 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14612 (unnest_nesting_tree): New.
14613 (lower_nested_functions): Call it.
14614 (insert_field_into_struct): Make extern.
14615 (struct walk_stmt_info): Move to tree-gimple.h.
14616 (walk_stmts): Make extern.
14617 * omp-builtins.def: New file.
14618 * tree-iterator.c (expr_only): Clarify comment.
14619 * c-common.h (pushdecl_top_level, pushdecl,
14620 build_modify_expr, build_indirect_ref,
14621 c_finish_omp_master, c_finish_omp_critical,
14622 c_finish_omp_ordered, c_finish_omp_barrier,
14623 c_finish_omp_atomic, c_finish_omp_flush,
14624 c_finish_omp_for, c_split_parallel_clauses,
14625 omp_clause_default_kind, c_omp_sharing_predetermined,
14626 c_omp_remap_decl): Declare.
14627 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14628 (OBJS-common): Add omp-low.o.
14629 (c-omp.o, omp-low.o): Add.
14630 (gimplify.o): Add dependency on $(OPTABS_H).
14631 (GTFILES): Add omp-low.c.
14632 (gt-stringpool.h): Add.
14633 * tree-cfg.c (set_bb_for_stmt): Do not update the
14634 block-to-labels map if we are currently expanding to RTL.
14635 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14637 Handle IDENTIFIER_NODE.
14638 (tree_verify_flow_info): Do not ICE when emitting error
14639 messages about invalid labels.
14640 (dump_function_to_file): Reset CFUN before emitting the body
14642 (debug_function): New.
14643 * passes.c (init_optimization_passes): Schedule
14645 * langhooks-def.h (lhd_omp_predetermined_sharing,
14646 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14648 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14649 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14650 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14651 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14652 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14653 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14654 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14655 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14656 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14657 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14658 (LANG_HOOK_DECLS): Use them.
14660 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14661 Richard Henderson <rth@redhat.com>
14662 Jakub Jelinek <jakub@redhat.com>
14663 Diego Novillo <dnovillo@redhat.com>
14665 * c-parser.c (pragma_omp_clause): Define.
14666 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14667 (c_parser_compound_statement): Likewise.
14668 (c_parser_statement): Likewise.
14669 (c_parser_pragma): Handle omp pragmas.
14670 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14671 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14672 (c_parser_omp_clause_name, check_no_duplicate_clause,
14673 c_parser_omp_variable_list,
14674 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14675 c_parser_omp_clause_copyprivate,
14676 c_parser_omp_clause_default,
14677 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14678 c_parser_omp_clause_lastprivate,
14679 c_parser_omp_clause_nowait,
14680 c_parser_omp_clause_num_threads,
14681 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14682 c_parser_omp_clause_reduction,
14683 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14684 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14685 c_parser_omp_atomic, c_parser_omp_barrier,
14686 c_parser_omp_critical, c_parser_omp_flush,
14687 c_parser_omp_for_loop, c_parser_omp_for,
14688 c_parser_omp_master, c_parser_omp_ordered,
14689 c_parser_omp_sections_scope, c_parser_omp_sections,
14690 c_parser_omp_parallel, c_parser_omp_single,
14691 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14692 * c-pragma.c (init_pragma): Do omp pragma registration here.
14693 * c.opt (fopenmp): New flag.
14695 2006-01-18 Eric Christopher <echristo@apple.com>
14697 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14698 * config/darwin.h (GOMP_SELF_SPECS): Define.
14700 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14702 * rtl.h: Remove the prototype for reg_alloc.
14704 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14707 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14708 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14709 sjlj and dwarf2 exception handling.
14710 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14711 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14712 * pa/pa.c (function_value): Treat complex and vector types as
14714 (function_arg): Likewise. Only pass scalar floats in the floating
14715 point argument registers.
14716 * pa/t-slibgcc-dwarf-ver: New file.
14717 * pa/t-slibgcc-sjlj-ver: New file.
14718 * pa/t-slibgcc-elf-ver: Delete file.
14720 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14722 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14723 unlikely_test_section_p test.
14725 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14727 * mode-switching.c (optimize_mode_switching): Make it static.
14728 * basic-block.h: Remove the prototype for
14729 optimize_mode_switching.
14731 * modulo-sched.c (sms_schedule): Make it static.
14732 * rtl.h: Remove the prototype for sms_schedule.
14734 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14735 * rtl.h: Remove the prototype for gcse_after_reload_main.
14737 * reg-stack.c (reg_to_stack): Make it static.
14738 * rtl.h: Remove the prototype for reg_to_stack.
14740 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14742 * rtl.h: Remove the prototypes for regrename_optimize and
14743 copyprop_hardreg_forward.
14745 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14747 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14748 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14749 Test against the appropriate null constant for the mode.
14750 If 'fixup_overlap' is true, swap the operands if they overlap.
14751 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14752 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14753 alpha_split_tmode_pair and adjust for above change.
14754 * config/alpha/alpha.md (movtf_internal): Adjust call to
14755 alpha_split_tfmode_pair and rely on it to swap the operands.
14756 (movti_internal): New insn and post-reload splitter.
14757 (movti): New expander.
14759 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14761 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14764 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14766 * rtlanal.c (global_reg_mentioned_p_1,
14767 global_reg_mentioned_p): Remove.
14768 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14770 * flow.c (initialize_uninitialized_subregs): Make it static.
14771 * rtl.h: Remove the prototype for
14772 initialize_uninitialized_subregs.
14774 * function.c (instantiate_virtual_regs): Make it static.
14775 * function.h: Remove the prototype for
14776 instantiate_virtual_regs.
14778 * regmove.c (regmove_optimize, combine_stack_adjustments):
14780 * rtl.h: Remove the prototypes for regmove_optimize and
14781 combine_stack_adjustments.
14783 2006-01-17 Roger Sayle <roger@eyesopen.com>
14785 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14786 (size_cost): Encode costs in bytes so that a reg-reg addition is
14787 equivalent to COSTS_N_INSNS(1).
14788 (override_options): Use the size_cost.branch_cost as the default
14789 ix86_branch_cost when optimizing for size.
14791 2006-01-18 Ben Elliston <bje@au.ibm.com>
14793 * Makefile.in (D32PBIT_FUNCS): New.
14794 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14795 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14796 D64PBIT_FUNCS and D128PBIT_FUNCS.
14797 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14798 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14800 (decnumber_dep): Define.
14801 * doc/libgcc.texi (Decimal float library routines): New node.
14802 * config/dfp-bit.h, config/dfp-bit.c: New files.
14804 2006-01-18 Ben Elliston <bje@au.ibm.com>
14806 * expr.c (emit_move_change_mode): Always adjust addresses, not
14807 just during reload. Copy replacements only during reload.
14808 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14809 emit_move_via_integer.
14811 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14813 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14814 instead of $(srcdir) and ${srcdir}.
14816 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14819 PR middle-end/11135
14820 * arm.h (struct machine_function): Add pic_reg.
14821 * arm.c (arm_pic_register): Make unsigned.
14822 (arm_override_options): Only set arm_pic_register if
14823 TARGET_SINGLE_PIC_BASE.
14824 (use_return_insn): Only test for a pic register if it is fixed.
14825 (arm_compute_save_reg0_reg12_mask): Likewise.
14826 (thumb_compute_save_reg_mask): Likewise.
14827 (legitimate_pic_operand): Factor out some known invariants.
14828 (legitimize_pic_address): If we don't have a fixed pic register,
14829 then set up a pseudo in the function entry sequence. Handle the
14830 pic base being in a pseudo.
14831 (arm_load_pic_register): Handle the pic register being in a pseudo.
14832 (arm_expand_prologue): Only set up the pic register if it is fixed.
14833 (thumb_expand_prologue): Likewise.
14834 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14835 (pic_load_addr_based_insn): Likewise.
14836 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14839 2006-01-18 Ben Elliston <bje@au.ibm.com>
14841 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14842 decimal float modes for all floating point registers.
14844 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14845 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14847 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14850 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14851 even when the pointer is not NULL.
14853 2006-01-16 Ian Lance Taylor <ian@airs.com>
14855 * common.opt (ftoplevel-reorder): New option.
14856 * cgraph.c (cgraph_asm_nodes): New global variable.
14857 (cgraph_asm_last_node): New static variable.
14858 (cgraph_order): New global variable.
14859 (cgraph_create_node): Set new order field.
14860 (cgraph_varpool_node): Likewise.
14861 (decide_is_variable_needed): Return true if not
14862 flag_toplevel_reorder.
14863 (cgraph_add_asm_node): New function.
14864 * cgraph.h (struct cgraph_node): Add order field.
14865 (struct cgraph_varpool_node): Add order field.
14866 (struct cgraph_asm_node): Define.
14867 (cgraph_asm_nodes, cgraph_order): Declare.
14868 (cgraph_add_asm_node): Declare.
14869 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14871 (cgraph_varpool_assemble_pending_decls): Call it.
14872 (cgraph_output_pending_asms): New static function.
14873 (cgraph_finalize_compilation_unit): Call it.
14874 (struct cgraph_order_sort): Define.
14875 (cgraph_output_in_order): New static function.
14876 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14877 !flag_toplevel_reorder case.
14878 * c-parser.c: Include "cgraph.h".
14879 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14881 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14882 than -fno-unit-at-a-time.
14883 * doc/invoke.texi (Option Summary): Mention
14884 -fno-toplevel-reorder.
14885 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14886 -funit-at-a-time documentation.
14888 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14889 Kazu Hirata <kazu@codesourcery.com>
14891 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14893 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14895 * Makefile.in (FUNCTION_H): New. Use it instead of
14896 function.h throughout the file.
14897 * function.h: Include tree.h.
14899 2006-01-17 Ben Elliston <bje@au.ibm.com>
14901 * recog.c: Separate some functions with whitespace.
14903 2006-01-16 Richard Henderson <rth@redhat.com>
14905 Merge from gomp branch:
14906 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14907 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14908 and rename from struct inline_data. Rename callee* to dst*;
14909 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14910 transform_new_cfg, transform_return_to_modify, and
14911 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14913 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14914 (copy_decl_for_dup): Remove.
14915 * tree-inline.c (struct inline_data): Move to header.
14916 (insert_decl_map): Export.
14917 (remap_decl): Update for member name changes. Use copy_decl hook.
14918 Allow for replacement to be a non-decl. Remove dead code.
14919 (remap_type_1): Check for existing mapping.
14920 (remap_type): Export.
14921 (remap_decls): Update for member name changes.
14922 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14923 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14924 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14925 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14926 (tree_function_versioning, build_duplicate_type): Likewise.
14927 (copy_body_r): Likewise. Export.
14928 (copy_decl_for_dup): Split into ...
14929 (copy_decl_for_dup_finish, copy_decl_to_var,
14930 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14931 (replace_ref_tree, inlining_p): Remove.
14933 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14935 * ifcvt.c (if_convert): Make it static.
14936 * rtl.h: Remove the prototype for if_convert.
14938 * local-alloc.c (local_alloc): Make it static.
14939 * rtl.h: Remove the prototype for local_alloc.
14941 * loop.c (loop_optimize): Make it static.
14942 * cfgloop.h: Remove the prototype for loop_optimize.
14945 2006-01-16 DJ Delorie <dj@redhat.com>
14947 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14950 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14952 * pa.md: Disparage copies between general and floating-point registers
14953 in 32-bit move patterns.
14955 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14958 * Makefile.in (check-%): Depend on site.exp instead of
14959 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14962 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14964 * global.c (global_alloc): Make it static.
14965 * rtl.h: Remove the prototype for global_alloc.
14967 2006-01-16 Richard Guenther <rguenther@suse.de>
14969 * tree-ssa-alias.c (struct used_part): Add write_only field.
14970 (get_or_create_used_part_for): Initialize it to true.
14971 (create_overlap_variables_for): Don't create structure variables
14972 for structures that only are written to.
14973 (find_used_portions): Handle MODIFY_EXPR to track whether a
14974 structure is only written to.
14976 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14978 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14980 * basic-block.h: Remove the prototype for
14981 partition_hot_cold_basic_blocks.
14983 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14985 * cppspec.c (lang_specific_spec_functions): Remove.
14986 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14987 * gcc.h (lang_specific_spec_functions): Remove.
14988 * gccspec.c (lang_specific_spec_functions): Remove.
14990 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14992 * combine.c (record_value_for_reg): Invalidate registers
14994 (record_dead_and_set_regs_1): Likewise, by passing them to
14995 record_value_for_reg.
14996 (record_dead_and_set_regs): Invalidate stores made by a
14997 call. We do not combine across a call, but we still
14998 relied on equivalences.
15000 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15002 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15003 vrp_int_const_binop returning non-constant nodes.
15005 2006-01-16 Paul Brook <paul@codesourcery.com>
15007 * config/m68k/m68k.c (output_move_const_into_data_reg):
15008 Output correct mnemonic for mvz and mvs.
15010 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15012 * rtl-factoring.c: Add sequence abstraction algorithm.
15013 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15014 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15016 (block_has_preserve_label): New function.
15017 * common.opt: Register new pass.
15018 * Makefile.in: Ditto.
15020 * timevar.def: Ditto.
15021 * tree-pass.h: Ditto.
15022 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15023 * rtl.h (make_jump_insn_raw): Add forward decl.
15024 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15026 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15027 Roger Sayle <roger@eyesopen.com>
15029 * fold-const.c (fold_minmax): New static function.
15030 (fold_binary) <MIN_EXPR>: Call it.
15031 <MAX_EXPR>: Likewise.
15032 * stor-layout.c (place_field): Use DECL_SIZE consistently
15033 in the computation of the new record size.
15035 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15037 * cse.c (cse_condition_code_reg): Make it static.
15038 * rtl.h: Remove the prototype for cse_condition_code_reg.
15040 * combine.c (combine_instructions): Make it static.
15041 * rtl.h: Remove the prototype for combine_instructions.
15043 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15046 * tree.c (get_file_function_name_long): Concatenate the first global
15047 object name with a string derived from the input filename of the object
15050 2006-01-16 Ben Elliston <bje@au.ibm.com>
15052 * config/i386/winnt-stubs.c: Update FSF address.
15053 * config/xtensa/ieee754-df.S: Ditto.
15054 * config/xtensa/ieee754-sf.S: Ditto.
15056 2006-01-14 Ian Lance Taylor <ian@airs.com>
15058 * ifcvt.c (noce_init_if_info): New static function, broken out of
15059 noce_process_if_block.
15060 (noce_process_if_block): Call noce_init_if_info.
15061 (check_cond_move_block): New static function.
15062 (cond_move_process_if_block): New static function.
15063 (process_if_block): Call cond_move_process_if_block.
15065 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15067 * cselib.c (hash_table): Rename to cselib_hash_table.
15068 (cselib_clear_table, discard_useless_values,
15069 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15070 cselib_init, cselib_finish): Adjust uses of hash_table.
15072 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15074 PR tree-optimization/25485
15075 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15076 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15077 is known to be false and true, respectively.
15079 2006-01-14 Richard Guenther <rguenther@suse.de>
15081 PR tree-optimization/22548
15082 PR tree-optimization/22555
15083 PR tree-optimization/22501
15084 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15085 * params.def (salias-max-array-elements): New parameter.
15086 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15087 * doc/invoke.texi (salias-max-array-elements): Document.
15088 * tree-flow-inline.h (var_can_have_subvars): We also handle
15090 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15092 * tree-ssa-structalias.c (params.h): Include.
15093 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15094 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15095 (get_constraint_for): For ADDR_EXPR operating on something
15096 containing an ARRAY_REF, add all subvars to the solution.
15097 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15098 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15099 for creating MUST_DEFs.
15100 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15102 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15104 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15106 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15107 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15108 number_of_iterations_le): New functions.
15109 (number_of_iterations_special): Removed.
15110 (number_of_iterations_exit): Do not use number_of_iterations_special.
15111 * tree.c (unsigned_type_for): Always return integer type.
15113 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15114 Richard Guenther <rguenther@suse.de>
15116 PR rtl-optimization/24257
15117 * gcse.c (find_moveable_store): Only consider a store movable
15118 when the SET_SRC of the insn can be assigned to a register.
15120 2006-01-14 Ian Lance Taylor <ian@airs.com>
15122 * tree.c (tree_not_class_check_failed): New function.
15123 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15124 (tree_not_class_check_failed): Declare.
15126 2006-01-13 Ian Lance Taylor <ian@airs.com>
15128 * reload1.c (do_output_reload): Add assertion rejecting a
15131 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15133 * combine.c (struct reg_stat): Add new fields truncation_label and
15135 (record_value_for_reg): Reset truncated_to_mode.
15136 (record_truncated_value): New function.
15137 (check_promoted_subreg): Call it. Rename to check_conversions.
15138 (combine_instructions): Rename check_promoted_subreg to
15140 (reg_truncated_to_mode): New function.
15141 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15142 (gen_lowpart_or_truncate): New function.
15143 (force_to_mode): Use it instead of gen_lowpart.
15145 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15147 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15148 VAR is a tag, not its type tag.
15150 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15152 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15153 alternatives to match style of other entries.
15154 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15156 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15158 PR tree-optimization/25771
15159 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15162 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15165 * tree-inline.c (declare_return_variable): If the return variable
15166 was marked as a non gimple complex, set the return slot variable
15167 to be a non gimple comple variable.
15169 2006-01-13 Richard Guenther <rguenther@suse.de>
15171 * builtins.c (expand_builtin_sincos): New function.
15172 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15174 (expand_builtin): Expand sincos using expand_builtin_sincos.
15176 2006-01-12 DJ Delorie <dj@redhat.com>
15178 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15179 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15180 so that constant shifts can be split.
15181 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15182 (m32c_valid_pointer_mode): Make static.
15183 (shift_gen_func_for): New.
15184 (m32c_prepare_shift): Use it. Split large const shifts into
15186 * config/m32c/predicates.md (shiftcount_operand): Allow more
15188 (longshiftcount_operand): New.
15189 * doc/md.texi (Machine Constraints): Document In6.
15191 2006-01-13 Ben Elliston <bje@au.ibm.com>
15193 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15194 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15197 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15199 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15200 to try to avoid clobbering pieces of structures when we know
15201 something about the whole structure.
15202 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15204 2006-01-13 Ben Elliston <bje@au.ibm.com>
15206 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15207 return in memory, as this is no limitation is no longer present.
15209 2006-01-12 DJ Delorie <dj@redhat.com>
15211 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15212 mova with fb, and for fb+0 -> An.
15214 * config/m32c/mov.md (peephole2): Fix enabling logic.
15216 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15217 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15218 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15219 FINI_ARRAY_SECTION_ASM_OP): Define.
15221 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15223 (m32c_legitimize_reload_address): New logic to reload FB to An.
15224 (m32c_output_reg_push): Add newline.
15225 (m32c_output_reg_pop): Likewise.
15227 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15229 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15231 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15233 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15235 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15237 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15240 2006-01-11 Ben Elliston <bje@au.ibm.com>
15242 * rtlanal.c (find_reg_note): Assert insn is not null.
15244 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15246 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15249 2006-01-11 Jeff Law <law@redhat.com>
15251 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15253 (mark_threaded_blocks, register_jump_thread): New functions.
15254 (thread_through_all_blocks): Remove unwanted argument. No
15255 longer rely on e->aux to communicate thread target info.
15256 Call mark_threaded_blocks. Release the threaded_blocks
15257 bitmap and threaded_edges vector when complete.
15258 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15259 (threaded_blocks): Remove.
15260 (tree_ssa_dominator_optimize): Remove initialization and
15261 finalization of threaded_blocks. Simplify call to
15262 thread_through_all_blocks.
15263 (thread_across_edge): Call register_jump_thread rather than
15264 storing thread information into e->aux.
15265 (free_all_edge_infos): Simplify now that e->aux is no longer
15266 used to communicate with thread_through_all_blocks.
15267 * tree-flow.h (thread_through_all_blocks): Update prototype.
15268 (register_jump_thread): Prototype.
15270 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15272 * df-core.c (df_compact_blocks, df_bb_replace): Use
15273 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15275 2006-01-11 Richard Guenther <rguenther@suse.de>
15277 PR tree-optimization/25734
15278 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15279 stop propagation after successful propagation to the LHS.
15281 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15283 * basic-block.h (control_flow_graph): Change the type of
15284 x_basic_block_info to VEC(basic_block,gc) *.
15285 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15287 (SET_BASIC_BLOCK): New.
15288 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15289 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15290 * cfgbuild.c (find_basic_blocks): Likewise.
15291 * cfglayout.c (fixup_reorder_chain): Likewise.
15292 * cfgrtl.c (create_basic_block_structure,
15293 rtl_create_basic_block): Likewise.
15294 * ifcvt.c (find_if_case_1): Likewise.
15295 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15298 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15300 * Makefile.in: Removed rotted odf.c entry.
15302 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15305 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15306 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15307 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15308 output pattern modifier, not %e.
15309 * config/cris/cris.c (cris_op_str): Update comment about pattern
15311 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15312 before falling through into...
15313 <case 'E'>: Redefined from old 'e' case.
15315 2006-01-11 Jan Hubicka <jh@suse.cz>
15318 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15320 2006-01-11 Jan Hubicka <jh@suse.cz>
15322 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15323 * i386.c (x86_decompose_lea): Kill.
15324 (ix86_rtx_costs): Kill.
15326 2006-01-11 Jan Hubicka <jh@suse.cz>
15328 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15329 * cgraph.h (cgraph_node): Add inline_decl.
15330 (cgraph_insert_node_to_hashtable): Declare.
15331 (save_inline_function_body): Declare.
15332 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15334 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15335 (cgraph_function_versioning): Update call of tree_function_versioning.
15336 (save_inline_function_body): New function.
15337 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15338 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15339 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15340 (cgraph_default_inline_p): Likewise.
15341 (cgraph_decide_inlining_incrementally): Likewise.
15342 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15343 (copy_bb): Kill saving; do updating of clones.
15344 (copy_cfg_body): Kill saving.
15345 (initialize_inlined-parameters): Likewise.
15346 (expand_call_inline): Likewise.
15348 (tree_function_versioning): New parameter "update_clones".
15349 (inlining_p): Kill saving.
15350 * tree-inline.h (tree_function_versioning): Update prototype.
15351 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15354 2006-01-11 Ian Lance Taylor <ian@airs.com>
15356 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15357 Allow undoing set of machine mode.
15358 (do_SUBST): Use enums instead of is_int.
15359 (do_SUBST_MODE): New function.
15360 (SUBST_MODE): New macro.
15361 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15362 reg and trying to replace reg_regno_rtx with a new register.
15363 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15364 (simplify_set): Use SUBST_MODE.
15365 (distribute_notes): Remove code that tried to update reg notes
15366 for regno_reg_rtx changes.
15368 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15370 PR tree-optimization/23109
15371 PR tree-optimization/23948
15372 PR tree-optimization/24123
15374 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15375 * tree-cfg.c (single_noncomplex_succ): New.
15376 * tree-flow.h (single_noncomplex_succ): Declare it.
15377 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15378 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15379 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15380 insert_bb, register_division_in, insert_reciprocals,
15381 replace_reciprocal, free_bb): New.
15382 (execute_cse_reciprocals_1): Rewritten.
15383 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15384 Do not commit any edge insertion. Always compute dominators and
15385 create the allocation pool.
15386 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15387 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15388 * targhooks.c (default_min_divistions_for_recip_mul): New.
15389 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15390 * passes.c (init_optimization_passes): Run recip after tree loop
15392 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15394 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15395 Kenneth Zadeck <zadeck@naturalbridge.com>
15397 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15398 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15399 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15400 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15401 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15402 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15403 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15404 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15405 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15406 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15407 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15408 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15409 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15410 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15411 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15412 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15413 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15414 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15415 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15416 DF_SCAN_POST_ALLOC): New macros.
15417 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15418 df_free_bb_function, df_local_compute_function, df_init_function,
15419 df_dataflow_function, df_confluence_function_0,
15420 df_confluence_function_n, df_transfer_function,
15421 df_finalizer_function, df_free_function, df_dump_problem_function,
15422 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15423 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15424 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15425 df_urec_bb_info, ) New types.
15426 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15428 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15429 df_analyze_simple_change_some_blocks,
15430 df_analyze_simple_change_one_block, df_compact_blocks,
15431 df_bb_replace, df_bb_regno_last_use_find,
15432 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15433 df_insn_regno_def_p, df_find_def, df_find_use,
15434 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15435 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15436 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15437 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15438 debug_df_chain, df_get_dependent_problem, df_chain_create,
15439 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15440 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15441 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15442 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15443 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15444 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15445 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15446 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15447 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15448 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15449 df_reorganize_refs, df_set_state, df_hard_reg_init,
15450 df_read_modify_subreg_p) New public functions.
15451 * df-core.c: The core dataflow solver and glue routines for rtl
15453 (df_init, df_add_problem, df_set_blocks, df_finish,
15454 df_hybrid_search_forward, df_hybrid_search_backward,
15455 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15456 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15457 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15458 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15459 df_reg_defined, df_find_use, df_reg_used, df_dump,
15460 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15461 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15462 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15463 debug_df_useno, reset_df_after_reload): New functions.
15464 * df-scan.c: The scanning fuctions, once in df.c, completely
15465 rewritten so that they now fully model the functionality of
15466 register usage at the backend.
15467 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15468 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15469 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15470 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15471 df_get_artificial_defs, df_get_artificial_uses,
15472 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15473 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15474 df_refs_delete, df_reorganize_refs, df_set_state,
15475 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15476 df_def_record_1, df_defs_record, df_uses_record,
15477 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15478 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15479 df_record_exit_block_uses, df_hard_reg_init): New functions.
15481 * df-problems.c: Seven concrete dataflow problems that use the
15482 scanning in df-scan.c and are solved by the engine in df-core.c.
15483 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15484 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15485 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15486 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15487 df_ru_free_bb_info, df_ru_alloc,
15488 df_ru_bb_local_compute_process_def,
15489 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15490 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15491 df_ru_transfer_function, df_ru_free, df_ru_dump,
15492 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15493 df_rd_free_bb_info, df_rd_alloc,
15494 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15495 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15496 df_rd_transfer_function, df_rd_free, df_rd_dump,
15497 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15498 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15499 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15500 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15501 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15502 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15503 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15504 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15505 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15506 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15507 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15508 df_urec_mark_reg_use_for_earlyclobber,
15509 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15510 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15511 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15512 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15513 df_chain_create_bb_process_use, df_chain_create_bb,
15514 df_chain_finalize, df_chain_free, df_chains_dump,
15515 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15516 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15517 df_reg_lifetime): New functions.
15518 * df.c: Deleted file.
15519 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15520 consistent with new df api.
15521 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15522 rest_of_handle_sms): Ditto.
15523 * web.c (unionfind_union, union_defs, entry_register, web_main):
15525 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15526 invariant_expr_equal_p, find_defs, check_dependencies,
15527 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15528 free_inv_motion_data, move_loop_invariants): Ditto.
15529 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15530 Update dependencies.
15531 (odf.c): Added defective entry that was deleted later in day.
15532 * sched-deps.c (sched_analyze_1): Ditto.
15534 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15536 * tree-ssa-operands.c (get_expr_operands): Record addressable
15537 variables directly. Do not call add_stmt_operands for CONST_DECLs
15539 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15540 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15542 2006-01-11 Ben Elliston <bje@au.ibm.com>
15544 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15545 function returns true in the positive case.
15547 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15550 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15551 for SI, DI, SF and DF modes. Add alternatives to copy between
15552 general and floating point registers to the 32-bit patterns.
15553 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15554 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15555 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15556 generating 64-bit code.
15557 * config/pa/pa.c (output_move_double): Handle copies between general
15558 and floating registers.
15560 2006-01-10 Stuart Hastings <stuart@apple.com>
15562 * config/i386/i386.md (set_got): Update.
15563 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15564 (builtin_setjmp_receiver): Mach-O support.
15565 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15566 (GOT_SYMBOL_NAME): Define.
15567 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15568 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15569 * config/i386/i386.c (override_options): Revise for Darwin.
15570 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15571 support. (darwin_x86_file_end): New. (output_set_got): Add label
15572 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15573 * config/i386/i386-protos.h (output_set_got): Likewise.
15574 * config/darwin.c (machopic_legitimize_pic_address): Update
15577 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15579 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15580 when MODE isn't BLKmode.
15582 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15584 PR rtl-optimization/25367
15585 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15587 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15590 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15591 for a negative bound.
15593 2006-01-10 Richard Guenther <rguenther@suse.de>
15595 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15596 Never override with anything constraint.
15598 2006-01-10 Jan Beulich <jbeulich@novell.com>
15600 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15601 256 bits when optimize_size.
15603 2006-01-10 Jan Beulich <jbeulich@novell.com>
15605 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15607 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15608 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15611 2006-01-10 Ben Elliston <bje@au.ibm.com>
15613 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15615 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15616 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15617 (USE_FP_FOR_ARG): Reject decimal float modes.
15618 (function_arg_advance): Likewise.
15619 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15620 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15621 point types in AltiVec vectors.
15622 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15623 (rs6000_libcall_value): Likewise.
15625 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15627 * config/xtensa/ieee754-df.S: New file.
15628 * config/xtensa/ieee754-sf.S: New file.
15629 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15630 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15631 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15633 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15635 * config/sh/predicates.md (binary_float_operator,
15636 binary_logical_operator, commutative_float_operator,
15637 equality_comparison_operator, greater_comparison_operator,
15638 less_comparison_operator, logical_operator,
15639 noncommutative_float_operator, shift_operator,
15640 symbol_ref_operand, unary_float_operator): Remove redundant
15643 2006-01-09 Jeff Law <law@redhat.com>
15645 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15646 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15647 now unused arguments. Callers updated.
15648 (eliminate_redundant_computations): Remove now unused arguments,
15650 (local_fold): Remove, no longer used.
15651 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15653 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15654 (simplify_cond): New function.
15655 (forward_propagate_into_cond): Call simplify_cond.
15657 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15659 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15660 (*vec_extractv2di_1_sse): New.
15662 2006-01-09 Ben Elliston <bje@au.ibm.com>
15664 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15666 2006-01-08 Richard Guenther <rguenther@suse.de>
15668 * tree-ssa-structalias.c (get_constraint_for): Remove
15669 anyoffset argument.
15670 (get_constraint_for_component_ref): Likewise.
15671 (do_deref): Likewise.
15672 (get_constraint_for): Likewise.
15673 (do_structure_copy): Likewise.
15674 (handle_ptr_arith): Likewise.
15675 (find_func_aliases): Likewise. Remove unused need_anyoffset
15678 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15679 Kaz Kojima <kkojima@gcc.gnu.org>
15681 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15682 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15683 (EXTRA_CONSTRAINT_C16): Remove.
15684 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15685 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15686 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15687 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15688 constants of SHmedia. Handle nested constant expressions of
15690 (andcosts): Fix the costs for SHmedia constants.
15691 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15692 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15693 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15694 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15695 (movv4hi_i, movv2si_i): Likewise.
15696 (movsi_const): Adjust the second operand of ior so to match with
15697 the Csu constraint.
15698 (movdi_const, movdi_const_32bit): Likewise.
15699 (movdi_const_16bit+1): Don't sign-extend LOW.
15700 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15702 (*double_shori): Fix the split condition. Use GEN_INT instead
15703 of get_int_mode calls. Mask lower 16-bit of the argument of
15705 (sym2GOTPLT): Remove.
15706 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15708 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15709 instead of EXTRA_CONSTRAINT_C16.
15711 2006-01-07 Ian Lance Taylor <ian@airs.com>
15712 David Edelsohn <edelsohn@gnu.org>
15714 PR rtl-optimization/25662
15715 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15716 for constant operands instead of simplify_gen_binary.
15717 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15718 after trying simplify_binary_operation
15720 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15722 * tree.c (iterative_hash_expr): Hash decls based on UID.
15724 2006-01-06 Eric Christopher <echristo@apple.com>
15726 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15727 (TARGET_UNWIND_EMIT): Fix spelling.
15728 * target.h (gcc_target): Add except_table_label.
15729 * except.c (output_function_exception_table): Use.
15730 * varasm.c (default_emit_except_table_label): New.
15731 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15733 (asm_out): Add here.
15734 * output.h (default_emit_except_table_label): Prototype.
15735 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15736 * config/darwin.c (darwin_emit_except_table_label): Define.
15737 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15739 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15741 PR tree-optimization/18527
15742 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15743 number_of_iterations_special, number_of_iterations_exit):
15744 Move base and step of an iv to a single structure. Add
15745 no_overflow flag, and use it in # of iterations analysis.
15746 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15747 folded_casts argument.
15748 (simple_iv): Pass base and step in a structure. Set no_overflow
15750 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15751 Evaluate expensiveness of computing # of iterations instead of
15752 the final expression.
15753 * tree-scalar-evolution.h (affine_iv): New structure.
15754 (simple_iv): Declaration changed.
15755 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15756 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15757 find_givs_in_stmt): Changed due to simple_iv change.
15759 2006-01-06 Jeff Law <law@redhat.com>
15762 * tree-cfg.c (bsi_replace): Rename final argument from
15763 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15764 change (stmt -> orig_stmt).
15765 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15766 (bsi_remove): Add new argument. Remove EH information
15768 (verify_eh_throw_table_statements): New function.
15769 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15771 * tree-optimize.c (execute_free_cfg_annotations): Verify
15772 the EH throw statement table after removing annotations.
15773 * except.h (verify_eh_throw_table_statements): Prototype.
15774 * tree-flow.h (bsi_remove): Update prototype.
15775 * tree-vrp.c (remove_range_assertions): Add new argument to
15777 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15778 * tree-complex.c (expand_complex_div_wide): Likewise.
15779 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15780 * tree-tailcall.c (eliminate_tailcall): Likewise.
15781 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15782 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15783 * tree-nrv.c (tree_nrv): Likewise.
15784 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15785 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15786 (combine_blocks): Likewise.
15787 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15788 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15789 (cleanup_control_flow): Likewise.
15790 (remove_forwarder_block): Likewise.
15791 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15792 * tree-sra.c (sra_replace): Likewise.
15793 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15794 (forward_propagate_single_use_vars): Likewise.
15795 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15796 * tree-inline.c (expand_call_inline): Likewise.
15797 * tree-vect-transform.c (vect_transform_loop): Likewise.
15798 * tree-outof-ssa.c (rewrite_trees): Likewise.
15799 * tree-cfg.c (make_goto_expr_edges): Likewise.
15800 (cleanup_dead_labels): Likewise.
15801 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15802 (bsi_move_before, bsi_move_after): Likewise.
15803 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15804 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15806 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15809 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15811 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15812 on non gimple variables. Also add checks at the top for decls and
15814 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15816 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15817 and IMAGPART_EXPR for creating MUST_DEFs.
15818 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15819 and NAME_MEMORY_TAG separately from the DECLs.
15821 2006-01-06 Richard Guenther <rguenther@suse.de>
15823 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15824 annotation, if necessary.
15825 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15826 redundant calls to update_stmt.
15827 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15830 2006-01-05 Richard Henderson <rth@redhat.com>
15832 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15834 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15836 * c-typeck.c: Update copyright date.
15838 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15840 * c-typeck.c (build_c_cast): Always warn when casting
15841 from a pointer to an integer of different size, even if
15842 the node was constant.
15844 2006-01-05 Richard Guenther <rguenther@suse.de>
15846 PR tree-optimization/22555
15847 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15848 if one structure field is an array.
15849 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15850 operands even if we found a subvar, but ignore VOPs in this
15852 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15854 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15856 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15858 PR middle-end/24998
15859 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15861 2006-01-05 Richard Guenther <rguenther@suse.de>
15862 Diego Novillo <dnovillo@redhat.com>
15864 * tree-pass.h (TODO_remove_unused_locals): Define.
15865 * gimple-low.c (expand_var_p, remove_useless_vars,
15866 pass_remove_useless_vars): Remove. Update all users.
15867 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15868 (remove_unused_locals): New function.
15869 * tree-flow.h (remove_unused_locals): Declare.
15870 * passes.c (execute_todo): Call remove_unused_locals if
15871 TODO_remove_unused_locals is set.
15872 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15873 * tree-ssa-dce.c (pass_dce): Likewise.
15874 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15876 2006-01-05 Richard Guenther <rguenther@suse.de>
15878 * tree-flow.h (struct fieldoff): Decompose field to
15879 type, size and decl.
15880 * tree-ssa-alias.c (create_sft): Take type as parameter.
15881 (create_overlap_variables_for): Store type, size and decl
15882 in the fieldoff structure.
15883 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15884 of struct fieldoff.
15885 (push_fields_onto_fieldstack): Likewise.
15886 (create_variable_info_for): Likewise. Use offset for the
15887 SFT name if the decl is not available.
15889 2006-01-04 Paul Brook <paul@codesourcery.com>
15891 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15893 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15895 * lambda-code.c (can_put_in_inner_loop): Relax
15897 (can_put_after_inner_loop): New function.
15898 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15899 (perfect_nestify): Change to make copies and modify uses.
15901 2006-01-04 Richard Henderson <rth@redhat.com>
15903 Merge from gomp branch:
15904 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15905 via integer constant.
15906 (pragma_lex): Remove.
15907 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15908 rather than parsing it.
15909 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15910 handle_pragma_extern_prefix): Add %< %> quotes.
15911 (registered_pragmas): New.
15912 (c_register_pragma_1): New.
15913 (c_register_pragma): Use it.
15914 (c_register_pragma_with_expansion): Likewise.
15915 (c_invoke_pragma_handler): New.
15916 (init_pragma): Use cpp_register_deferred_pragma directly for
15918 * c-pragma.h (enum pragma_kind): New.
15919 (pragma_handler): New.
15920 (c_invoke_pragma_handler): Declare.
15921 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15923 * c-common.h (c_common_pch_pragma): Update decl.
15924 * Makefile.in (c-parser.o): Update dependencies.
15925 (GTFILES): Add c-pragma.h.
15926 * c-parser.c (struct c_token): Add pragma_kind.
15927 (struct c_parser): Add in_pragma.
15928 (c_lex_one_token): Always initialize keyword and pragma_kind.
15929 Extract data for CPP_PRAGMA.
15930 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15931 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15932 Don't allow CPP_PRAGMA_EOL if in_pragma.
15933 (c_parser_consume_pragma): New.
15934 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15935 (c_parser_skip_to_end_of_parameter): Likewise.
15936 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15937 (c_parser_skip_to_pragma_eol): New.
15938 (c_parser_external_declaration): Handle CPP_PRAGMA.
15939 (c_parser_compound_statement_nostart): Likewise.
15940 (c_parser_statement_after_labels): Likewise.
15941 (c_parser_pragma): New.
15942 (pragma_lex): Likewise.
15943 (c_parser_pragma_pch_preprocess): New.
15944 (c_parser_new): Merge into ...
15945 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15947 2006-01-04 Jeff Law <law@redhat.com>
15950 * tree-cfg.c (bsi_replace): Remove the original statement
15951 from the EH throw statement table.
15953 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15955 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15956 make the prototype extern "C" and add throw ().
15959 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15960 and pos non-negative and pos + len <= 32.
15961 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15962 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15963 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15966 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15967 as well as sizes not multiple of component size.
15970 * function.c (instantiate_expr): New function.
15971 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15972 walk its DECL_VALUE_EXPR with instantiate_expr.
15974 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15975 DW_OP_deref{,_size} if address isn't going to be added.
15977 2006-01-04 Ben Elliston <bje@au.ibm.com>
15979 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15980 * config/fp-bit.c: Likewise.
15982 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15984 * dominance.c: Add comment about why we use DFS numbering
15987 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15988 Richard Henderson <rth@redhat.com>
15990 Merge from gomp-branch:
15991 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15992 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15994 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15996 PR rtl-optimization/25578
15997 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15998 pass a parameter to simplify_shift_const if changing ASHIFTRT
16001 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16003 * builtins.c (get_builtin_sync_mem): New function.
16004 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16005 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16006 Call get_builtin_sync_mem to generate mem rtx.
16008 2006-01-03 Richard Guenther <rguenther@suse.de>
16011 * stmt.c (add_case_node): Make sure to clear overflow flags
16014 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16016 Merge from gomp-branch.
16017 * config/sparc/sync.md: New file.
16018 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16019 UNSPECV_LDSTUB): New constants.
16020 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16021 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16022 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16025 2006-01-03 Roger Sayle <roger@eyesopen.com>
16027 * combine.c (reg_subword_p): New predicate to test whether the
16028 destination of a set refers to a subword/piece of a register.
16029 (try_combine): Generalize the code to merge the setting of a
16030 pseudo to a constant followed by a set of a subword of that
16031 register to a constant.
16033 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16035 * basic-block.h (control_flow_graph): Change the type of
16036 x_label_to_block_map to VEC(basic_block,gc) *.
16037 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16038 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16040 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16041 VEC(basic_block,heap) *.
16042 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16043 ssa_prop_fini): Adjust the uses of cfg_blocks.
16045 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16047 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16049 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16050 hashing trees instead of a pointer hash.
16051 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16052 compare for MEM_EXPR.
16054 PR rtl-optimization/25130
16055 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16056 when comparing MEMs for GCSE
16058 2006-01-03 Ben Elliston <bje@au.ibm.com>
16060 * targhooks.h (default_decimal_float_supported_p): Declare.
16061 * targhooks.c (default_decimal_float_supported_p): Define.
16062 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16063 `default_decimal_float_supported_p'.
16064 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16066 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16068 * combine.c (apply_distributive_law <SUBREG>): Check
16069 TRULY_NOOP_TRUNCATION.
16071 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16073 * dwarf2out.c (have_switched_text_section): Delete.
16074 (have_multiple_function_sections): New.
16075 (have_location_lists): Make 'bool'.
16076 (add_AT_loc_list): Use 'true' not '1'.
16077 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16078 (output_loc_list): Use have_multiple_function_sections.
16079 (output_ranges): Likewise.
16080 (dwarf2out_begin_function): Set have_multiple_function_sections if
16082 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16083 Check function_section rather than DECL_SECTION_NAME.
16084 (dwarf2out_finish): Use have_multiple_function_sections.
16085 Don't clear have_location_lists.
16087 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16088 Jan Hubicka <jh@suse.cz>
16090 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16091 case of conditional jump jumping to the next instruction.
16092 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16093 cases of conditional jump jumping to the next instruction.
16095 2006-01-02 Jan Hubicka <jh@suse.cz>
16097 * i386.c (*_cost): Add COSTS_N_INSNS.
16098 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16100 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16103 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16105 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16107 * config/arm/arm.c (all_fpus): Fix comment typo.
16108 * config/darwin.c: Likewise.
16109 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16110 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16111 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16113 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16115 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16116 (rs6000_split_compare_and_swapqhi): New.
16117 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16118 (sync_compare_and_swapqhi_internal): New.
16119 * config/rs6000/rs6000-protos.h: Declare.