1 2006-10-22 Richard Sandiford <richard@codesourcery.com>
3 * config/mips/mips.c (mips_split_const): Don't accept bare PLUS
6 2006-10-21 H.J. Lu <hongjiu.lu@intel.com>
8 * config/i386/i386.md (UNSPEC_LDQQU): Renamed to ...
10 * config/i386/sse.md (sse3_lddqu): Updated.
12 2006-10-21 Richard Guenther <rguenther@suse.de>
14 * builtins.c (expand_builtin_int_roundingfn_2): New function.
15 (expand_builtin): Use it to expand lrint instead of
16 expand_builtin_mathfn.
18 2006-10-21 Uros Bizjak <uros@kss-loka.si>
21 * builtins.c (fold_builtin): Fold pow(x,1.0/3.0) as cbrt(x) if
22 flag_unsafe_math_optimizations is set.
24 2006-10-21 Uros Bizjak <uros@kss-loka.si>
27 * config/i386/i386.md (fix_trunc?f?i_sse): Add peephole2
28 patterns to use memory input operand in x87->mem->XMM
29 reload sequences. Skip transformation for TARGET_K8.
31 2006-10-21 Uros Bizjak <uros@kss-loka.si>
33 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Do not
34 force operand1 to register if both operands are memory operands.
35 (*extendsfdf2_mixed, *extendsfdf2_sse, *extendsfdf2_i387)
36 (*extendsfxf2_i387, *extenddfxf2_i387): Do not disable pattern
37 if both operands are memory operands.
38 (truncdfsf2): Do not force operand1 to register if both operands
41 2006-10-21 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
43 * Makefile.in (LIBS): Add $(GMPLIBS).
44 * doc/install.texi: Update GMP and MPFR requirements.
45 * doc/sourcebuild.texi (need_gmp): Delete.
47 2006-10-21 Richard Guenther <rguenther@suse.de>
49 PR tree-optimization/3511
50 * tree-ssa-pre.c (phi_translate): Fold CALL_EXPRs that
51 got new invariant arguments during PHI translation.
53 2006-10-21 Richard Guenther <rguenther@suse.de>
56 * fold-const.c (fold_comparison): Fold signed comparisons
57 of the form X +- C1 CMP Y +- C2.
59 2006-10-21 Richard Guenther <rguenther@suse.de>
62 * config/i386/i386.c (override_options): Do not set MASK_IEEE_FP
63 if flag_unsafe_math_optimizations is specified. We have
64 flag_finite_math_only for that.
65 * config/i386/i386.md (sqrtxf2): Do not require TARGET_IEEE_FP
66 or flag_unsafe_math_optimizations.
68 2006-10-21 Richard Guenther <rguenther@suse.de>
70 * builtins.c (fold_builtin_classify): Fix typo.
72 2006-10-21 Richard Guenther <rguenther@suse.de>
75 * simplify-rtx.c (simplify_const_relational_operation):
76 Do not constant-fold ORDERED and UNORDERED for
77 flag_unsafe_math_optimizations but only we do not need to
78 honor NaNs for the given mode.
80 2006-10-21 Richard Guenther <rguenther@suse.de>
83 * config/i386/i386.c (classify_argument): Remove redundant
84 walking of the BINFOs.
85 (contains_128bit_aligned_vector_p): Likewise.
87 2006-10-20 Mark Mitchell <mark@codesourcery.com>
89 * BASE-VER: Set to 4.3.0.
91 2006-10-20 Daniel Berlin <dberlin@dberlin.org>
93 * tree.h (DECL_PTA_ARTIFICIAL): Remove.
94 (tree_decl_with_vis): Remove artificial_pta_var flag.
95 * tree-flow.h (referenced_var_check_and_insert): Expose.
96 (nonlocal_all): New prototype.
97 * tree-ssa-structalias.c (nonlocal_for_type): Remove.
98 (nonlocal_all): Make global.
99 (nonlocal_lookup): Remove.
100 (nonlocal_insert): Ditto.
101 (create_nonlocal_var): Do not call nonlocal_insert.
102 (get_nonlocal_id_for_type): Remove.
103 (find_global_initializers): Mark new vars we find for renaming.
104 (intra_create_variable_infos): Only create one nonlocal.
105 (expand_nonlocal_solutions): Remove.
106 (compute_points_to_sets): Don't call it.
107 (ipa_pta_execute): Ditto.
108 (init_alias_heapvars): Don't create nonlocal_for_type.
109 (delete_alias_heapvars): Don't remove it.
110 * tree-ssa-operands.c (access_can_touch_variable): Don't prune
113 2006-10-19 Brooks Moses <bmoses@stanford.edu>
115 * doc/install.texi (Downloading GCC): Clarify mention of
116 Fortran in the "full distribution" description.
118 2006-10-19 Daniel Berlin <dberlin@dberlin.org>
120 Fix PR tree-optimization/28778
121 Fix PR tree-optimization/29156
122 Fix PR tree-optimization/29415
123 * tree.h (DECL_PTA_ARTIFICIAL): New macro.
124 (tree_decl_with_vis): Add artificial_pta_var flag.
125 * tree-ssa-alias.c (is_escape_site): Remove alias info argument,
127 * tree-ssa-structalias.c (nonlocal_for_type): New variable.
128 (nonlocal_all): Ditto.
129 (struct variable_info): Add directly_dereferenced member.
130 (var_escaped_vars): New variable.
131 (escaped_vars_tree): Ditto.
132 (escaped_vars_id): Ditto.
133 (nonlocal_vars_id): Ditto.
134 (new_var_info): Set directly_dereferenced.
135 (graph_size): New variable
136 (build_constraint_graph): Use graph_size.
137 (solve_graph): Don't process constraints that cannot change the
138 solution, don't try to propagate an empty solution to our
140 (process_constraint): Set directly_dereferenced.
141 (could_have_pointers): New function.
142 (get_constraint_for_component_ref): Don't process STRING_CST.
143 (nonlocal_lookup): New function.
144 (nonlocal_insert): Ditto.
145 (create_nonlocal_var): Ditto.
146 (get_nonlocal_id_for_type): Ditto.
147 (get_constraint_for): Allow results vector to be empty in the case
149 Handle results of calls properly.
150 (update_alias_info): Update alias info stats on number and type of
152 (find_func_aliases): Use could_have_pointers.
153 (make_constraint_from_escaped): Renamed from
154 make_constraint_to_anything, and changed to make constraints from
156 (make_constraint_to_escaped): New function.
157 (find_global_initializers): Ditto.
158 (create_variable_info_for): Make constraint from escaped to any
159 global variable, and from any global variable to the set of
161 (intra_create_variable_infos): Deal with escaped instead of
162 pointing to anything.
163 (set_uids_in_ptset): Do type pruning on directly dereferenced
165 (find_what_p_points_to): Adjust call to set_uids_with_ptset.
166 (init_base_vars): Fix comment, and initialize escaped_vars.
167 (need_to_solve): Removed.
168 (find_escape_constraints): New function.
169 (expand_nonlocal_solutions): Ditto.
170 (compute_points_to_sets): Call find_escape_constraints and
171 expand_nonlocal_solutions.
172 (delete_points_to_sets): Don't fall off the end of the graph.
173 (init_alias_heapvars): Initialize nonlocal_for_type and
175 (delete_alias_heapvars): Free nonlocal_for_type and null out
178 2006-10-19 Eric Botcazou <ebotcazou@adacore.com>
180 * fold-const.c (add_double): Rename to add_double_with_sign.
181 Add 'unsigned_p' parameter and take it into account for the overflow.
182 (mul_double): Rename to mul_double_with_sign.
183 Add 'unsigned_p' parameter and take it into account for the overflow.
184 (fold_div_compare): Call add_double_with_sign instead of add_double
185 and mul_double_with_sign instead of mul_double, passing them the
186 unsignedness of the type.
187 * tree.h (add_double): Macroize.
188 (add_double_with_sign): New prototype.
189 (mul_double): Macroize.
190 (mul_double_with_sign): New prototype.
192 2006-10-19 Chen Liqin <liqin@sunnorth.com.cn>
194 * config/score/crti.asm: New file.
195 * config/score/crtn.asm: New file.
196 * config/score/elf.h: New file.
197 * config/score/mac.md: New file.
198 * config/score/misc.md: New file.
199 * config/score/mul-div.S: New file.
200 * config/score/predicates.md: New file.
201 * config/score/score7.md: New file.
202 * config/score/score.c: New file.
203 * config/score/score-conv.h: New file.
204 * config/score/score.h: New file.
205 * config/score/score.md: New file.
206 * config/score/score-mdaux.c: New file.
207 * config/score/score-mdaux.h: New file.
208 * config/score/score-modes.def: New file.
209 * config/score/score.opt: New file.
210 * config/score/score-protos.h: New file.
211 * config/score/score-version.h: New file.
212 * config/score/t-score-elf: New file.
213 * config.gcc: Add score*-*-* configurations(Update before).
214 * doc/invoke.texi (Score Options): New section.
215 * doc/md.texi (Score family): New section to document constraints.
217 2006-10-19 Nick Clifton <nickc@redhat.com>
219 * config/arm/arm.c: Fix spelling typo.
221 2006-10-18 Tom Tromey <tromey@redhat.com>
223 * doc/install.texi (Prerequisites): Mention automake 1.9.6.
225 2006-10-18 Jan Hubicka <jh@suse.cz>
228 * cfgexpand.c (expand_used_vars_for_block): Vars marked used by user
231 2006-10-18 Marcin Dalecki <martin@dalecki.de>
233 * omp-low.c (expand_parallel_call): Use BSI_SAME_STMT instead of
234 TSI_SAME_STMT, since that's the desired entity.
236 2006-10-17 Wolfgang Gellerich <gellerich@de.ibm.com>
238 * config/s390/contraints.md: New file.
239 * config/s390/s390-protos.h (s390_mem_constraint,
240 s390_O_constraint_str, s390_N_constraint_str,
241 s390_float_const_zero_p): Function prototypes added.
242 * config/s390/s390.c (s390_extra_constraint_str,
243 s390_const_double_ok_for_constraint_p,
244 s390_const_ok_for_constraint_p): Functions removed.
245 (s390_mem_constraint, s390_O_constraint_str, s390_N_constraint_str,
246 s390_float_const_zero_p): New functions.
247 * config/s390/s390.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_CONSTRAINT_P,
248 CONST_DOUBLE_OK_FOR_CONSTRAINT_P, EXTRA_CONSTRAINT_STR,
249 EXTRA_MEMORY_CONSTRAINT, EXTRA_ADDRESS_CONSTRAINT, CONSTRAINT_LEN):
250 Macro definitions removed.
251 (s390_const_ok_for_constraint_p, s390_const_double_ok_for_constraint_p,
252 s390_extra_constraint_str): Functions removed.
254 2006-10-17 Andrew Pinsiki <pinskia@gmail.com>
255 Richard Sandiford <richard@codesourcery.com>
258 * config/mips/linux.h (SUBTARGET_CC1_SPEC): Override.
259 * config/mips/mips.h (CC1_SPEC): Override any earlier definition.
261 2006-10-16 Geoffrey Keating <geoffk@apple.com>
263 * config/rs6000/sysv4.h (DBX_REGISTER_NUMBER): Move to rs6000.h.
264 (DWARF2_FRAME_REG_OUT): Likewise.
265 * config/rs6000/rs6000.h (DBX_REGISTER_NUMBER): Move from sysv4.h.
266 (DWARF2_FRAME_REG_OUT): Likewise.
268 2006-10-17 Paul Brook <paul@codesourcery.com>
270 * config/arm/arm.c (arm_rtx_costs_1): Handle multiply-accumulate.
272 2006-10-16 Brooks Moses <bmoses@stanford.edu>
274 * doc/contrib.texi, doc/install.texi, doc/standards.texi:
275 Standardize on "GNU Fortran" as the official name of the Fortran
278 2006-10-16 Mike Stump <mrs@apple.com>
280 * doc/invoke.texi (Darwin Options): Document -mkernel.
281 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Add
283 (C_COMMON_OVERRIDE_OPTIONS): Add -mkernel support. Add
284 SUBTARGET_C_COMMON_OVERRIDE_OPTIONS callout.
285 (CC1_SPEC): Don't turn on -fPIC when -mkernel is given.
286 (OS_MISSING_ALTIVEC): Add.
287 * config/i386/i386.c (override_options): Add
288 SUBSUBTARGET_OVERRIDE_OPTIONS callout.
289 * config/i386/darwin.h (CC1_SPEC): Don't turn on -fPIC when
290 -mkernel, -static or -mdynamic-no-pic is given.
291 (C_COMMON_OVERRIDE_OPTIONS): Add.
292 * config/darwin.opt (fapple-kext): Add.
294 * config/darwin.h (TARGET_OPTION_TRANSLATE_TABLE): Add
295 -fapple-kext, -findirect-virtual-calls, -fterminated-vtables and
297 (SUBSUBTARGET_OVERRIDE_OPTIONS): Add.
298 (SUBTARGET_C_COMMON_OVERRIDE_OPTIONS): Add.
299 (CPP_SPEC): Move defines for __DYNAMIC__ and __STATIC__ from here...
300 (SUBTARGET_ATTRIBUTE_TABLE): Add apple_kext_compatibility.
301 (TARGET_CXX_CDTOR_RETURNS_THIS): Add.
303 (flag_apple_kext): Add.
304 (TARGET_KEXTABI): Add.
305 * config/darwin.c (darwin_handle_kext_attribute): Add.
306 (DARWIN_VTABLE_P): Add.
307 (darwin_binds_local_p): Add partial support for rebinding vtables
309 (darwin_kextabi_p): Add.
310 (darwin_override_options): Add.
311 * config/darwin-protos.h (darwin_handle_kext_attribute): Add.
312 (darwin_kextabi_p): Add.
313 (darwin_override_options): Add.
314 * config/darwin-c.c (darwin_cpp_builtins): ... move defines for
315 __DYNAMIC__ and __STATIC__ here.
317 2006-10-16 Brooks Moses <bmoses@stanford.edu>
319 * doc/sourcebuild.texi, doc/makefile.texi, doc/install.texi:
320 Added mention of "make pdf" target, and Texinfo requirements for
323 2006-10-16 DJ Delorie <dj@redhat.com>
325 * config/s390/s390.c (s390_decompose_address): Allow symbol+offset
326 into the GOT in case we need a subreg of the address.
328 2006-10-16 Richard Guenther <rguenther@suse.de>
331 * doc/extend.texi (X86 Built-in Functions): Fix typos in
332 SSE builtin documentation. Document SSE2 builtins.
334 2006-10-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
336 * pa64-hpux.h (LINK_SPEC): Force __cxa_finalize to be an undefined
337 symbol in the output file for non-shared links when -nostdlib or
338 -nodefaultlibs isn't specified.
340 * config.gcc (hppa*64*-*-hpux11*, hppa[12]*-*-hpux11*): Default to
341 posix thread support.
343 2006-10-15 Jan Hubicka <jh@suse.cz>
346 * cgraphunit.c (cgraph_preserve_function_body_p): Preserve functions
347 declared always_inline even when not inlining.
349 2006-10-15 Eric Botcazou <ebotcazou@libertysurf.fr>
350 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
351 Andrew Pinski <pinskia@gmail.com>
354 * builtins.c (get_pointer_alignment): Return 0 if TER is not run.
356 2006-10-15 Jan Hubicka <jh@suse.cz>
357 Richard Guenther <rguenther@suse.de>
360 * cgraphunit.c (cgraph_finalize_compilation_unit): Call
361 process_function_and_variable_attributes on all variables, including
362 those discovered during cgraph construction phase.
364 2006-10-15 Bernhard Fischer <aldot@gcc.gnu.org>
366 * final.c: Update Copyright year. Commentary typo fix. Fix whitespace
368 2006-10-14 Uros Bizjak <uros@kss-loka.si>
370 * config/i386/athlon.md (athlon_fist): Add fisttp.
372 2006-10-13 David Edelsohn <edelsohn@gnu.org>
373 Ian Lance Taylor <ian@airs.com>
376 * expr.c (expand_expr_real_1) <NON_LVALUE_EXPR, NOP_EXPR,
377 CONVERT_EXPR>: Change EXPAND_SUM modifier to EXPAND_NORMAL when
380 2006-10-14 Kazu Hirata <kazu@codesourcery.com>
382 * config/score/score.c, config/score/score.h: Fix comment
385 2006-10-13 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
388 * Makefile.in (ALL_GTFILES_H): Use $(sort ...) instead of
391 2006-10-13 Eric Christopher <echristo@apple.com>
393 * config/darwin.h (HANDLE_PRAGMA_PACK_PUSH_POP): Define.
395 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
398 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
399 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
400 alignment supported by 32-bit ELF.
402 2006-10-13 Eric Christopher <echristo@apple.com>
404 * config/darwin.c (darwin_emit_unwind_label): Strip
405 name encoding. Use DECL_ASSEMBLER_NAME_SET_P.
407 2006-10-13 Richard Guenther <rguenther@suse.de>
409 PR tree-optimization/29446
410 * tree-vrp.c (fix_equivalence_set): Remove.
411 (extract_range_from_assert): Do not call fix_equivalence_set.
412 (debug_value_range): Print a newline.
413 (compare_name_with_value): For equivalence sets with
414 inconsistent value ranges conservatively bail out.
415 (compare_names): Likewise.
417 2006-10-13 David Edelsohn <edelsohn@gnu.org>
419 * doc/install.texi (*-ibm-aix*): Add comment about 32-bit GMP
420 and MPFR for gfortran.
422 2006-10-13 Carlos O'Donell <carlos@codesourcery.com>
424 * config/elfos.h (MAX_OFILE_ALIGNMENT): Default to largest
425 alignment supported by 32-bit ELF.
427 2006-10-13 Paolo Bonzini <bonzini@gnu.org>
431 * c-typeck.c (digest_init): Always allow initializing vectors
432 that have static storage duration with compound literals.
433 * tree.c (build_type_attribute_qual_variant): New, based on
434 build_type_attribute_variant.
435 (build_type_attribute_variant): Rewrite using the former.
436 (make_vector_type): Use build_type_attribute_qual_variant to build
437 type variants. Use type_hash_canon on the others.
439 2006-10-13 Daniel Berlin <dberlin@dberlin.org>
440 Ramana Radhakrishnan <ramana.radhakrishnan@celunite.com>
442 * tree-flow-inline.h (zero_ssa_operands): Fix comment.
444 2006-10-12 Jan Hubicka <jh@suse.cz>
447 * c-decl.c (c_make_fname_decl): Do not segfault in case where
448 current_function_decl is set but current_function_scope is not.
450 2006-10-12 Jie Zhang <jie.zhang@analog.com>
452 * config/bfin/bfin.md (eh_return): Call emit_jump_insn instead of
453 emit_insn to emit eh_return_internal instruction.
454 (eh_return_internal): Explicitly set pc.
456 2006-10-11 Richard Guenther <rguenther@suse.de>
458 PR tree-optimization/28230
459 * tree-vrp.c (vrp_int_const_binop): Move flag_wrapv handling
460 to the correct place.
462 2006-10-11 Richard Guenther <rguenther@suse.de>
465 * gimplify.c (gimplify_asm_expr): Mark the gimplified lvalue
468 2006-10-10 Brooks Moses <bmoses@stanford.edu>
470 * configure.ac: Added pdf to "Make-hooks"
471 * Makefile.in: Added TEXI2PDF definition, and various pdf-file
472 targets and *.pdf file patterns in cleanup targets.
473 * configure: Regenerated.
475 2006-10-10 Anatoly Sokolov <aesok@post.ru>
477 * config/avr/predicates.md: New file.
478 * config/avr/avr.md: Include it.
479 (REG_SP): New constant.
480 (peepholes): Use predicates.
481 (sbrx_branch, sbrx_and_branchhi, sbrx_and_branchsi, branch, rvbranch,
482 difficult_branch, difficult_rvbranch, cbi, sbi, sbix_branch,
483 sbix_branch_bit7, sbix_branch_tmp, sbix_branch_tmp_bit7): Ditto.
485 2006-10-10 Adam Nemet <anemet@caviumnetworks.com>
487 * config/mips/mips.c (mips_save_restore_reg): Use gen_frame_mem to
490 2006-10-10 Jakub Jelinek <jakub@redhat.com>
493 * builtins.c (var_decl_component_p): New function.
494 (fold_builtin_memset, fold_builtin_memory_op): Restrict
495 single entry optimization to variables and components thereof.
497 2006-10-10 Richard Guenther <rguenther@suse.de>
499 PR rtl-optimization/29323
500 * except.c (set_nothrow_function_flags): For functions
501 that do not bind local bail out early.
503 2006-10-10 Ben Elliston <bje@au.ibm.com>
505 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
508 2006-10-09 Richard Henderson <rth@redhat.com>
512 2006-10-09 Richard Guenther <rguenther@suse.de>
515 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
518 2006-10-09 Steve Ellcey <sje@cup.hp.com>
521 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
522 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
523 * configure: Regenerate.
524 * config.in: Regenerate.
526 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
528 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
530 2006-10-08 Richard Sandiford <richard@codesourcery.com>
532 * config/mips/mips.c (mips_legitimize_tls_address): Implement
533 all TLS models in the same way as local exec if !TARGET_ABICALLS.
534 Remove stray newline.
536 2006-10-08 Richard Sandiford <richard@codesourcery.com>
538 * config/mips/mips.c (mips_classify_symbol): Do not return
539 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
540 (mips_in_small_data_p): Tweak comments.
542 2006-10-08 Richard Sandiford <richard@codesourcery.com>
544 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
546 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
548 * gimplify.c, sched-int.h: Fix comment typos.
550 * sched-int.h: Fix comment typos.
552 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
554 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
556 * sched-ebb.c (begin_schedule_ready): Use them.
557 * haifa-sched.c (schedule_insn, move_insn, try_ready,
558 add_to_speculative_block, create_check_block_twin, speculate_insn,
559 fix_jump_move, move_block_after_check): Ditto.
560 * sched-rgn.c (new_ready): Ditto.
562 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
564 PR rtl-optimization/29128
565 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
566 * sched-ebb.c (advance_target_bb): Use it to fix condition to
567 allow interblock movement of speculation checks.
569 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
572 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
573 casted to integer type.
574 (get_address_cost): Decrease cost of [symbol + index] addressing modes
575 if they are significantly more expensive than [reg + index] ones.
577 2006-10-06 Jakub Jelinek <jakub@redhat.com>
579 PR tree-optimization/29330
580 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
581 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
582 on newly allocated ddrs.
583 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
584 to VEC (loop_p, heap) pointer.
585 (compute_data_dependences_for_loop): Adjust caller.
586 (free_dependence_relations): Free DDR_LOOP_NEST.
588 * tree-loop-linear.c (linear_transform_loops): Don't forget to
589 free DEPENDENCE_RELATIONS and DATAREFS.
592 * builtins.c (expand_builtin_sync_operation,
593 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
594 Use convert_to_mode to handle promoted arguments.
596 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
598 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
600 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
602 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
604 2006-10-05 Uros Bizjak <uros@kss-loka.si>
606 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
607 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
608 Use <modeconstraint> instead of "r" as operand 1 constraint.
610 2006-10-06 Olivier Hainque <hainque@adacore.com>
612 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
613 Don't recurse on the pointed-to type.
614 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
615 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
616 types with components of variable size.
618 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
620 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
622 2006-10-06 Jakub Jelinek <jakub@redhat.com>
624 PR tree-optimization/29290
625 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
629 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
630 * config/i386/predicates.md (local_symbolic_operand): Likewise.
633 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
634 the number of vector elements fill the rest with zeros.
636 2006-10-05 Richard Sandiford <richard@codesourcery.com>
638 * config/mips/mips.c (mips_pass_by_reference): Do not return false
639 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
642 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
644 * config/bfin/bfin.md (subsi3): Lose expander, change previously
645 unnamed pattern into subsi3. Use correct constraints/predicates.
646 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
647 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
649 2006-10-05 Ira Rosen <irar@il.ibm.com>
651 * doc/loop.texi: Add data references analysis description.
653 2006-10-04 Brooks Moses <bmoses@stanford.edu>
655 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
657 2006-10-04 Richard Henderson <rth@redhat.com>
658 Jakub Jelinek <jakub@redhat.com>
660 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
661 * builtin-types.def (BT_WORD): Make unsigned.
662 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
663 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
664 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
665 * c-decl.c (grokdeclarator): Don't error if !have_tls.
666 * c-parser.c (c_parser_omp_threadprivate): Likewise.
667 * cgraph.c (decide_is_variable_needed): Look at force_output.
668 Recurse for emulated tls.
669 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
670 checks redundant with decide_is_variable_needed.
671 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
672 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
674 * expr.c (emutls_var_address): New.
675 (expand_expr_real_1): Expand emulated tls.
676 (expand_expr_addr_expr_1): Likewise.
677 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
678 * output.h (emutls_finish): Declare.
679 * toplev.c (compile_file): Call it.
680 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
681 address before wrapping in CONST.
682 * varasm.c (emutls_htab, emutls_object_type): New.
683 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
684 (get_emutls_object_name, get_emutls_object_type): New.
685 (get_emutls_init_templ_addr, emutls_decl): New.
686 (emutls_common_1, emutls_finish): New.
687 (assemble_variable): When emulating tls, swap decls; generate
688 constructor for the emutls objects.
689 (do_assemble_alias): When emulating tls, swap decl and target name.
690 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
692 * emutls.c: New file.
693 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
694 tls_object for real tls.
696 2006-10-04 Zack Weinberg <zackw@panix.com>
698 Fix bug in constraint-check generator, reported by Rask Ingemann
700 * genpreds.c (add_constraint): Don't remove anything from the
702 (write_tm_constrs_h): Detect whether "op" argument is used, and
703 mark it ARG_UNUSED if it isn't.
704 (write_insn_const_int_ok_for_constraint): Skip the part of the
705 expression that would test whether "op" (which is not available
706 here) is a CONST_INT.
708 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
711 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
713 2006-10-03 Geoffrey Keating <geoffk@apple.com>
715 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
716 current Leopard versions.
717 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
719 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
721 * doc/install.texi: Fix typos.
723 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
725 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
726 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
727 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
729 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
731 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
732 arg to be struct mach_header_64* instead.
734 2006-10-02 Jakub Jelinek <jakub@redhat.com>
737 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
738 side effects after the outer expression's post side effects.
740 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
742 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
743 comments to reflect actual behavior and relationship between
744 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
746 * doc/c-tree.texi (Working with declarations): Fix documentation
747 of FIELD_DECL likewise.
749 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
752 * doc/extend.texi: Add used variable attribute description.
754 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
757 * c.opt (Woverride-init): New.
758 * c-opts.c (c_common_post_options): Default warn_override_init to
760 * c-typeck.c (add_pending_init, output_init_element): Warn for
761 overriding initializers without side effects.
762 * doc/invoke.texi (-Woverride-init): Document.
765 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
767 PR rtl-optimization/28096
768 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
769 assignment has already been used as a destination earlier in the block.
771 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
773 * builtins.c (expand_builtin_setjmp): Delete.
774 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
775 <BUILT_IN_SETJMP_SETUP>: New case.
776 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
777 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
778 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
779 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
780 (BUILT_IN_SETJMP_RECEIVER): Likewise.
781 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
782 (lower_function_body): Initialize it to false. If it is set to true
783 at the end of the processing, emit the setjmp dispatcher.
784 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
785 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
786 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
787 on the rhs of the assignment.
788 (lower_builtin_setjmp): New function.
789 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
790 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
791 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
792 to detect calls that can go to non-local labels. Use specific
793 helper to create the abnormal edges associated with them.
794 <MODIFY_EXPR>: Likewise.
795 (make_abnormal_goto_edges): New function extracted from...
796 (make_goto_expr_edges): ...here. Call it for computed gotos.
797 (simple_goto_p): Minor tweak.
798 (tree_can_make_abnormal_goto): New predicate.
799 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
800 (tree_purge_dead_abnormal_call_edges): New function.
801 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
802 (tree_purge_dead_abnormal_call_edges): Likewise.
803 (make_abnormal_goto_edges): Likewise.
804 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
805 Purge all dead abnormal edges if the call was in the last statement.
806 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
807 (execute_fixup_cfg): If there are non-local labels in the function,
808 scan the basic blocks and split them at calls that can go to non-local
809 labels or add missing abnormal call edges. Write down the CFG in the
811 (pass_fixup_cfg): Remove TODO_dump_func flag.
812 * unwind-sjlj.c: Poison setjmp.
813 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
814 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
815 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
816 (DONT_USE_BUILTIN_SETJMP): Document it.
818 2006-09-28 Geoffrey Keating <geoffk@apple.com>
821 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
822 to 1 when __ppc64__ is defined.
823 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
825 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
827 2006-09-28 Steve Ellcey <sje@cup.hp.com>
829 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
830 * config/ia64/unwind-hpux.c: Delete.
832 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
834 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
835 on the element before gimplifying it, instead of punting if it is of
838 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
840 * doc/loop.texi: New file.
841 * doc/gccint.texi: Reference loop.texi.
842 * Makefile.in (loop.texi): Add.
844 2006-09-27 Geoffrey Keating <geoffk@apple.com>
846 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
848 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
849 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
851 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
853 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
855 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
857 * doc/install.texi: Document required versions of GMP and MPFR.
859 2006-09-27 Paul Brook <paul@codesourcery.com>
862 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
864 2006-09-27 Richard Sandiford <richard@codesourcery.com>
866 * reload1.c (alter_reg): Require the alignment of the stack slot to
867 be at least reg_max_ref_width bytes.
868 (scan_paradoxical_subregs): Record the largest width in
871 2006-09-26 Jakub Jelinek <jakub@redhat.com>
875 * tree-nested.c (struct nesting_info): Added static_chain_added.
876 (convert_call_expr): Set static_chain_added when adding static
877 chain. Handle OMP_PARALLEL and OMP_SECTION.
879 2006-09-25 Matthias Klose <doko@debian.org>
881 * doc/invoke.texi: Add missing full stop.
883 2006-09-25 Richard Henderson <rth@redhat.com>
885 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
886 before cgraph_function_flags_ready.
888 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
889 Adam Nemet <anemet@caviumnetworks.com>
891 * tree-ssa-loop-ivopts.c (aff_combination_convert,
892 determine_common_wider_type): New functions.
893 (get_computation_aff): Use them to simplify arithmetic between
894 UBASE and CBASE if they are shortened from the same type.
896 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
899 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
900 -2147483647 - 1 instead of 0x80000000.
902 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
904 * flags.h (HONOR_NANS): Fix typo in comment.
906 2006-09-23 Uros Bizjak <uros@kss-loka.si>
908 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
910 2006-09-23 Jakub Jelinek <jakub@redhat.com>
914 * tree.c (merge_attributes, attribute_list_contained): If both
915 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
917 * c-typeck.c (comptypes_internal): Don't consider aggregates
918 in different TUs as compatible if there one set of attributes is
919 not a subset of the other type's attributes.
920 (composite_type): Try harder not to create a new aggregate type.
922 2006-09-22 Geoffrey Keating <geoffk@apple.com>
924 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
925 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
926 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
927 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
928 than replicating condition above.
929 * config.host (i[34567]86-*-*): Always use driver-i386.o.
931 * config/darwin.h (LINK_SYSROOT_SPEC): New.
932 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
933 the linker by default.
935 2006-09-22 Mike Stump <mrs@apple.com>
937 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
940 2006-09-22 Richard Guenther <rguenther@suse.de>
943 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
944 sort of stack variables stable.
946 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
949 * explow.c (force_reg): Set REG_POINTER flag according to
952 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
954 PR tree-optimization/28888
955 * tree-if-conv.c (combine_blocks): Rewritten.
956 * tree-cfg.c (tree_verify_flow_info): Check that edges with
957 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
959 2006-09-22 Jakub Jelinek <jakub@redhat.com>
961 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
964 2006-09-21 Richard Sandiford <richard@codesourcery.com>
966 * varasm.c (copy_constant): Fix reversed gcc_assert check.
968 2006-09-21 Janis Johnson <janis187@us.ibm.com>
970 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
972 2006-09-21 Roger Sayle <roger@eyesopen.com>
975 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
976 dw_fde_current_label, to be the start of the function, i.e. the same
977 value as dw_fde_begin.
979 2006-09-20 Richard Sandiford <richard@codesourcery.com>
981 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
982 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
983 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
984 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
985 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
986 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
987 (abs<mode>2, neg<mode>2): Likewise.
988 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
989 (*mips_abs_ps): New define_insn.
991 2006-09-20 Josh Conner <jconner@apple.com>
994 * calls.c (expand_call): Allow reuse of structure return stack
997 2006-09-20 Paul Brook <paul@codesourcery.com>
999 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
1002 2006-09-20 Janis Johnson <janis187@us.ibm.com>
1004 * doc/extend.texi (Decimal Float): Update for latest draft TR,
1005 clean up terminology.
1007 2006-09-20 Steve Ellcey <sje@cup.hp.com>
1010 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
1011 with tablejumps in them.
1013 2006-09-20 Jakub Jelinek <jakub@redhat.com>
1016 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
1017 wrap it into TARGET_EXPR.
1019 2006-09-20 Eric Christopher <echristo@apple.com>
1021 * config/i386/i386.c (x86_fisttp): Remove.
1022 * config/i386/i386.h (x86_fisttp): Ditto.
1023 (TARGET_FISTTP): Ditto.
1025 2006-09-19 Eric Christopher <echristo@apple.com>
1027 * doc/tm.texi (OBJC_JBLEN): Describe.
1028 * config/i386/darwin.h (OBJC_JBLEN): Define.
1029 * config/rs6000/darwin.h: Ditto.
1031 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
1033 PR rtl-optimization/21299
1034 * reload1.c (reload): Purge invalid ASMs in the final pass.
1036 2006-09-19 Steve Ellcey <sje@cup.hp.com>
1039 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
1040 pointers as legitimate constants.
1042 2006-09-19 Paul Brook <paul@codesourcery.com>
1045 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
1047 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
1049 PR tree-optimization/28887
1050 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
1051 component parts from the reference.
1052 (gather_memory_references_ref): Record the reference without the
1053 nonaddressable component parts.
1055 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
1058 * c-opts.c (c_common_handle_option): Ignore the -std options
1059 if the input language is assembly.
1061 2006-09-17 Ira Rosen <irar@il.ibm.com>
1064 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
1066 (ptr_ptr_may_alias_p): Likewise.
1067 (record_record_differ_p): New function.
1068 (base_object_differ_p): Call record_record_differ_p.
1070 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1073 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
1074 away for the expr argument.
1076 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1079 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
1080 before using it for dumping after vectorizing loops.
1082 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
1083 Jack Howarth <howarth@bromo.med.uc.edu>
1086 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
1087 skip on error_mark_node.
1088 (rs6000_darwin64_record_arg_recurse): Likewise.
1090 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
1092 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
1093 * doc/rtl.texi: Remove related documentation.
1095 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
1097 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
1100 2006-09-15 Jim Wilson <wilson@specifix.com>
1102 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
1103 Handle symbol offsets same as they are handled in ia64_expand_move
1106 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
1108 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
1109 Add forgotten parameter to the fprintf call.
1111 2006-09-15 Steve Ellcey <sje@cup.hp.com>
1113 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
1115 2006-09-15 Uros Bizjak <uros@kss-loka.si>
1117 * doc/contrib.texi: Add my entry.
1119 2006-09-15 Nick Clifton <nickc@redhat.com>
1121 * doc/md.texi (Processor pipeline description): Fix typo in
1122 example of how to use the absence_set directive and reword the
1123 description to make it slightly easier to read.
1125 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
1127 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
1128 * loop-doloop.c (doloop_optimize): Use it to limit costs of
1129 expanding the number of iterations.
1130 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
1132 * cfgrtl.c (emit_insn_at_entry): New function.
1133 * rtl.h (emit_insn_at_entry): Declare it.
1134 * integrate.c (emit_initial_value_sets): Use it.
1136 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
1138 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
1140 (struct loop_work and related VEC declarations): Delete.
1141 (bfin_dump_loops): Print out new member bad.
1142 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
1143 (bfin_scan_loop): Don't recurse.
1144 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
1145 loops. No longer need to update outer loops if the current one is
1146 found bad. Move some validitiy checks to bfin_discover_loop.
1147 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
1148 but changed not to check for nesting. Also changed to use the new bad
1150 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
1151 time. Use bitmap based test to discover loop nesting.
1153 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
1155 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
1158 2006-09-14 Richard Guenther <rguenther@suse.de>
1159 Kazu Hirata <kazu@codesourcery.com>
1161 PR middle-end/28884.
1162 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
1163 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
1164 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
1165 with TARGET_FUNCTION_VALUE.
1167 2006-09-14 Anatoly Sokolov <aesok@post.ru>
1170 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
1172 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
1174 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
1177 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
1180 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
1183 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1185 * basic_block.h (bb_has_eh_pred): Fix comment.
1187 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
1189 * flow.c (calculate_global_regs_live): Invalidate eh registers
1190 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
1191 (propagate_block): Handle eh registers as if they were set at basic
1193 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
1195 * global.c (global_conflicts): Make eh registers to conflict with
1196 pseudos live at basic block begin.
1197 * basic_block.h (bb_has_eh_pred): New function.
1199 2006-09-13 Richard Sandiford <richard@codesourcery.com>
1201 PR rtl-optimization/28982
1202 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
1203 index of a PRE_MODIFY or POST_MODIFY address.
1204 * reload1.c (inc_for_reload): Use find_replacement on the original
1205 base and index registers.
1207 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
1209 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
1210 for -Os. Update __m128 alignment requirement.
1212 2006-09-13 Jan Hubicka <jh@suse.cz>
1214 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
1216 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
1218 PR rtl-optimization/28243
1219 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
1220 the insn to which the note was originally attached.
1222 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
1223 Roger Sayle <roger@eyesopen.com>
1225 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
1226 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
1227 on platforms that don't use dwarf for debug info.
1229 2006-09-12 Jason Merrill <jason@redhat.com>
1232 * builtins.c (expand_builtin_setjmp_receiver): Clobber
1233 hard_frame_pointer_rtx after using it to update the frame pointer.
1235 2006-09-12 Roger Sayle <roger@eyesopen.com>
1237 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
1238 (TARGET_ASM_CLOSE_PAREN): Likewise.
1239 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
1240 (TARGET_ASM_CLOSE_PAREN): Likewise.
1242 2006-09-12 Roger Sayle <roger@eyesopen.com>
1245 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
1246 frame information for frames larger than 512 Kbytes on Tru64 when
1247 using the native assembler.
1249 2006-09-12 Roger Sayle <roger@eyesopen.com>
1253 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
1254 and symbols. Instead use the implementation from cse.c's hash_rtx.
1256 2006-09-12 Jan Hubicka <jh@suse.cz>
1258 PR rtl-optimization/28071
1259 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
1260 (vect_transform_loop): Likewise.
1261 * tree-vectorizer.c (new_loop_vec_info): Likewise.
1262 (new_loop_vec_info): Likewise.
1263 (destroy_loop_vec_info): Likewise.
1264 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
1265 (create_stmt_ann): Likewise.
1266 (create_tree_ann): Rename to ...
1267 (create_tree_common_ann): ... this one; allocate only the common part
1269 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
1270 (get_value_handle): Likewise.
1271 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
1272 get_tree_common_ann.
1273 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
1274 (vinfo_for_stmt): Use stmt annotations.
1275 * tree-flow.h (tree_ann_common_t): New type.
1276 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
1277 (tree_ann, get_tree_ann, create_tree_ann): New.
1278 * tree-flow-inline.h (get_function_ann): Do more type checking.
1279 (stmt_ann): Likewise.
1280 (tree_ann): Rename to ...
1281 (tree_common_ann): ... this one; return ony common_ann
1282 (get_tree_ann): Rename to ...
1283 (tree_common_ann): This one; return only common_ann.
1284 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
1287 2006-09-11 Geoffrey Keating <geoffk@apple.com>
1289 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
1290 with_cpu by default.
1292 * dwarf2out.c (dwarf_file_data): New.
1293 (enum dw_val_class): Add dw_val_class_file.
1294 (struct dw_val_struct): Add val_file.
1295 (file_table): Change to a hash table.
1296 (file_table_emitted): Delete.
1297 (file_table_last_lookup_index): Delete.
1298 (emitcount): Delete.
1299 (last_emitted_file): New.
1300 (lookup_filename): Change prototype to return a struct dwarf_file_data.
1301 (init_file_table): Delete.
1302 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
1303 (AT_addr): Add comment.
1307 (print_die): Handle dw_val_class_file.
1308 (print_dwarf_line_table): Update for new file table structure.
1309 (attr_checksum): Do checksum a filename.
1310 (same_dw_val_p, same_attr_p): Do compare a filename.
1311 (size_of_die): Handle dw_val_class_file.
1312 (value_format): Likewise.
1313 (output_die): Likewise. Also, call maybe_emit_file here.
1314 (struct file_info): Constify filenames. Make file_idx a pointer
1315 to a struct dwarf_file_data.
1316 (struct dir_info): Constify directory names. Remove 'used' field.
1317 (struct file_name_acquire_data): New.
1318 (file_name_acquire): New.
1319 (output_file_names): Modify to handle new file data structures.
1320 (add_src_coords_attributes): Use add_AT_file.
1321 (add_call_src_coords_attributes): Likewise.
1322 (dwarf2out_imported_module_or_decl): Likewise.
1323 (gen_subprogram_die): Modify for new file data structures.
1324 (gen_variable_die): Likewise.
1325 (file_table_eq): New.
1326 (file_table_hash): New.
1327 (file_table_last_lookup): New.
1328 (lookup_filename): Rewrite to handle new file data structures.
1329 (maybe_emit_file): Rewrite to handle new file data structures.
1330 (dwarf2out_source_line): Always call lookup_filename and
1332 (dwarf2out_init): Create file_table here.
1333 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
1334 (file_table_relative_p): New.
1335 (dwarf2out_finish): Change detection of relative filenames
1336 to work with new file data structures. Move output_line_info call
1337 after debug_info output.
1339 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
1344 * config/i386/i386.c (override_options): Always default to 16
1345 byte stack boundary.
1347 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
1350 * var-tracking.c (dump_dataflow_set): Start dumping at
1352 (clobber_variable_part): Kill only the variable part in
1353 registers holding it, leaving other variables alone.
1355 2006-09-11 Josh Triplett <josh@freedesktop.org>
1357 * doc/extend.texi (Other Builtins): Actually use the macro
1358 argument in the documentation example for
1359 __builtin_types_compatible_p.
1361 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1363 PR rtl-optimization/28726
1364 * sched-deps.c (sched_analyze_reg): New function extracted from...
1365 (sched_analyze_1): ...here. Call it to analyze references to
1366 registers. Treat again writes to a stack register as writing to the
1368 (sched_analyze_2): ...and here. Call it to analyze references to
1369 registers. Treat again reads of a stack register as reading the
1372 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
1373 David Edelsohn <edelsohn@gnu.org>
1376 * config/rs6000/spe.md (frob_df_di): Remove %H.
1377 (frob_di_df): Remove %H. Change evmergelo to mr.
1378 (frob_di_df_2): Remove %H. Change evldd to two loads.
1380 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
1382 * doc/cpp.texi: Fix names of charset options.
1384 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
1387 * config/i386/i386.c (override_options): Use 128-bit
1388 stack boundary always for 64bits.
1390 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
1392 PR rtl-optimization/28636
1393 * combine.c (force_to_mode): Test for side-effects before
1394 substituting by zero.
1395 (simplify_shift_const): Likewise for zero or other constants.
1397 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
1400 * builtins.c (expand_builtin_setjmp): Force next_lab to be
1403 2006-09-10 Richard Sandiford <richard@codesourcery.com>
1406 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
1407 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
1408 returned by mode_for_size, rather than the mode of src itself,
1409 to choose between 32-bit and 64-bit patterns.
1410 (mips_mem_fits_mode_p): New function.
1411 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
1412 that the size of the source matches the size of the destination.
1413 (mov_<store>l, mov_<store>r): Likewise.
1415 2006-09-10 Eric Christopher <echristo@apple.com>
1417 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
1420 2006-09-09 Eric Christopher <echristo@apple.com>
1423 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
1426 2006-09-09 Roger Sayle <roger@eyesopen.com>
1427 Nicolas Setton <setton@adacore.com>
1429 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
1431 2006-09-10 Andreas Schwab <schwab@suse.de>
1433 * config/m68k/m68k.md (bungt_rev): New pattern.
1435 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
1436 Dale Johannesen <dalej@apple.com>
1439 * regclass.c (struct reg_pref): Update documentation.
1440 (regclass): Set prefclass to NO_REGS if memory is the best option.
1441 (record_reg_classes): Cope with a prefclass set to NO_REGS.
1443 2006-09-08 Eric Christopher <echristo@apple.com>
1445 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
1446 * config/t-slibgcc-darwin: Support x86_64 multilib.
1447 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
1448 Return 1 for x86_64-darwin.
1449 * config/i386/t-darwin: Add m64 multilib.
1450 (LIB2_SIDITI_CONV_FUNCS): Use.
1451 (LIB2FUNCS_EXTRA): Ditto.
1452 * config/i386/darwin.h: Support x86_64.
1453 * config/i386/i386.c (override_options): Turn on flag_pic
1454 for x86_64-darwin. Disable flag_omit_pointer.
1455 (get_pc_thunk_name): Assert !TARGET_64BIT.
1456 (legitimate_address_p): Disable machopic addressing for
1458 (legitimize_pic_address): Ditto.
1459 (ix86_expand_move): Ditto.
1460 (ix86_expand_call): Ditto.
1461 (machopic_output_stub): Ditto.
1462 * config/darwin.c (machopic_select_section): Support literal16.
1463 (machopic_select_rtx_section): Ditto.
1464 * config/darwin-sections.def: Ditto.
1465 * config/darwin-64.c: New.
1467 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
1470 * c-tree.h (struct c_arg_info): Add pending_sizes.
1471 * c-parser.c (c_parser_parms_declarator,
1472 c_parser_parms_list_declarator): Initialize pending_sizes.
1473 * c-decl.c (get_parm_info): Initialize pending_sizes.
1474 (get_parm_info): Set pending_sizes.
1475 (grokdeclarator): Call put_pending_sizes for parameters for
1476 function definition only.
1478 2006-09-07 Jason Merrill <jason@redhat.com>
1481 * varasm.c (output_constant): Only strip actual no-op conversions.
1484 * config/i386/i386.c (override_options): Use 128-bit
1485 stack boundary if -msse.
1487 2006-09-07 Eric Christopher <echristo@apple.com>
1489 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
1491 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
1494 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1496 * dwarf2out.c: Remove strange characters from comment above
1497 dwarf2out_frame_debug_expr.
1499 2006-09-07 Eric Christopher <echristo@apple.com>
1501 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1502 * config/darwin.h: ... to here.
1504 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1506 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1508 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1509 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1511 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1512 TARGET_PARTIAL_FLAG_REG_STALL.
1513 (*ashldi3_cconly_rex64): Likewise.
1514 (*ashlsi3_cmp): Likewise.
1515 (*ashlsi3_cconly): Likewise.
1516 (*ashlsi3_cmp_zext): Likewise.
1517 (*ashlhi3_cmp): Likewise.
1518 (*ashlhi3_cconly): Likewise.
1519 (*ashlqi3_cmp): Likewise.
1520 (*ashlqi3_cconly): Likewise.
1521 (*ashrdi3_cmp_rex64): Likewise.
1522 (*ashrdi3_cconly_rex64): Likewise.
1523 (*ashrsi3_cmp): Likewise.
1524 (*ashrsi3_cconly): Likewise.
1525 (*ashrsi3_cmp_zext): Likewise.
1526 (*ashrhi3_cmp): Likewise.
1527 (*ashrhi3_cconly): Likewise.
1528 (*ashrqi3_cmp): Likewise.
1529 (*ashrqi3_cconly): Likewise.
1530 (*lshrdi3_cmp_rex64): Likewise.
1531 (*lshrdi3_cconly_rex64): Likewise.
1532 (*lshrsi3_cmp): Likewise.
1533 (*lshrsi3_cconly): Likewise.
1534 (*lshrsi3_cmp_zext): Likewise.
1535 (*lshrhi3_cmp): Likewise.
1536 (*lshrhi3_cconly): Likewise.
1537 (*lshrqi2_cmp): Likewise.
1538 (*lshrqi2_cconly): Likewise.
1540 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1543 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1544 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1545 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1546 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1547 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1548 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1549 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1550 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1551 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1552 implement only CC setting effects of shift instructions.
1554 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1556 * doc/contrib.texi: Add myself.
1558 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1561 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1562 was set by the user.
1564 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1567 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1568 (divsi_inv_m1): Use them.
1569 (UNSPEC_DIV_INV_TABLE): New constant.
1571 2006-09-06 James E Wilson <wilson@specifix.com>
1574 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1575 then call count_or_remove_death_notes.
1577 2006-09-06 Jason Merrill <jason@redhat.com>
1580 * tree-inline.c (copy_result_decl_to_var): New fn.
1581 (declare_return_variable): Use it. Call declare_inline_vars here.
1582 (expand_call_inline): Not here.
1584 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1586 * doc/contrib.texi: Update my entry.
1588 2006-09-06 Nick Clifton <nickc@redhat.com>
1590 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1592 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1595 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1596 (canonicalize_induction_variables): Likewise.
1597 (tree_unroll_loops_completely): Likewise.
1598 (tree_ssa_prefetch_arrays): Likewise.
1599 (remove_empty_loops): Likewise.
1600 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1601 TODO_cleanup_cfg instead of directly calling
1602 cleanup_tree_cfg_loop.
1603 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1605 (tree_unroll_loops_completely): Likewise.
1606 (remove_empty_loops): Likewise.
1607 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1608 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1609 of tree_ssa_unswitch_loops.
1610 (tree_ssa_loop_ivcanon): Use the return value of
1611 canonicalize_induction_variables.
1612 (tree_ssa_empty_loop): Use the return value of
1614 (tree_complete_unroll): Use the return value of
1615 tree_unroll_loops_completely.
1616 (tree_ssa_loop_prefetch): Use the return value of
1617 tree_ssa_prefetch_arrays.
1618 * passes.c (execute_todo): Before Cleanup CFG, set
1619 updating_used_alone and after cleanup CFG, call
1620 recalculate_used_alone.
1622 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1625 * tree-vect-transform.c (vectorizable_condition): Move the check
1626 for the type after the check for simple condition.
1628 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1629 Kaz Kojima <kkojima@gcc.gnu.org>
1632 * mode-switching.c (optimize_mode_switching): Make the destination
1633 block of an abnormal edge have no anticipatable mode. Don't
1634 insert mode switching code at the end of the source block of
1637 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1639 PR rtl-optimization/26847
1640 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1641 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1642 (simplify_plus_minus): Count n_constants while filling ops. Replace
1643 qsort with insertion sort. Before going through the array to simplify
1644 pairs, sort it. Delay early exit until after the first sort, exiting
1645 only if no swaps occurred. Simplify pairs in reversed order, without
1646 special-casing the first iteration. Pack ops after simplifying pairs.
1648 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1650 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1651 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1652 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1653 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1655 2006-09-05 Richard Guenther <rguenther@suse.de>
1657 PR tree-optimization/28900
1658 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1659 compound conditional before creating COND_EXPR condition.
1661 2006-09-05 Richard Guenther <rguenther@suse.de>
1663 PR tree-optimization/28905
1664 * tree-vrp.c (fix_equivalence_set): Manually implement
1665 !value_ranges_intersect_p to also handle symbolic ranges.
1667 2006-09-05 Richard Guenther <rguenther@suse.de>
1670 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1673 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1675 PR rtl-optimization/27616
1676 * cse.c (table_size): New static variable.
1677 (new_basic_block): Initialize it to 0.
1678 (remove_from_table): Decrement it.
1679 (insert): Increment it.
1680 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1681 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1682 fold_rtx_mem_1 if under the cap.
1683 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1684 the lookup of the equivalent expression and test for equality of the
1685 first operand of the equivalent expression before in turn looking up
1686 an equivalent constant for the second operand.
1688 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1691 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1692 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1693 pointer, instead of assuming it is possible to derive the
1694 correct args size from a call insn.
1696 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1699 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1700 (fold_builtin_mempcpy): Rename to...
1701 (fold_builtin_memory_op): ... this. Optimize one element copy
1703 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1705 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1706 (expand_builtin_memcpy, expand_builtin_mempcpy,
1707 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1708 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1709 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1710 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1712 2006-09-01 DJ Delorie <dj@redhat.com>
1714 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1715 (stzx_16): Likewise.
1716 ("stzx_24_<mode>"): Likewise.
1717 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1718 ("cmp<mode>_op"): New.
1719 (cmp<mode>): Change to expander; just save operands.
1721 (b<code>): Change to expander, emit compare here.
1722 (s<code>_op): Change to use split and expander.
1723 (s<code>_24_op): Likewise.
1724 (s<code>_<mode>): New.
1725 (s<code>_<mode>_24): New.
1726 (movqicc_<code>_<mode): New.
1727 (movhicc_<code>_<mode>): New.
1730 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1731 (m32c_pend_compare): New.
1732 (m32c_unpend_compare): New.
1733 (m32c_expand_scc): New.
1734 (m32c_expand_movcc): Emit the compare also.
1735 * config/m32c/predicates.md (mra_nopp_operand): New.
1737 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1738 Richard Guenther <rguenther@suse.de>
1739 Adam Nemet <anemet@caviumnetworks.com>
1742 * builtins.c (get_pointer_alignment): Handle more forms
1743 of base addresses that can be used to derive more precise
1744 information about alignment.
1746 2006-09-01 Jason Merrill <jason@redhat.com>
1749 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1752 * gimplify.c (voidify_wrapper_expr): Handle null type.
1754 2006-09-01 Josh Conner <jconner@apple.com>
1757 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1758 (execute_return_slot_opt): Use it.
1760 2006-08-31 Josh Conner <jconner@apple.com>
1763 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1764 returning aggregates.
1766 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1768 PR tree-optimization/28839
1769 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1770 blocks in that phi arguments appear.
1772 2006-08-31 Roger Sayle <roger@eyesopen.com>
1775 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1776 NULL, otherwise use an advance_loc4 to adjust relative to the
1778 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1779 (dwarf2out_switch_text_section): Reset the current label to avoid
1780 using advance_loc4 over section boundaries.
1782 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1785 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1786 r12 + SYMBOLIC_CONST.
1788 2006-08-30 Richard Guenther <rguenther@suse.de>
1790 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1792 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1794 PR rtl-optimization/27735
1795 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1796 Add new argument to keep track of whether an irreducible region
1797 was affected. All callers changed.
1798 (fix_irreducible_loops): Removed.
1799 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1800 flags were invalidated.
1802 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1804 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1805 instead of SF operands.
1806 (*fop_df_comm_sse): Likewise.
1807 (*fop_df_comm_i387): Likewise.
1808 (*fop_df_1_mixed): Likewise.
1809 (*fop_df_1_sse): Likewise.
1811 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1812 J"orn Rennecke <joern.rennecke@st.com>
1814 PR tree-optimization/17506
1815 * tree-ssa.c (warn_uninit): If warning about a location outside of
1816 the current function, note where the variable was declared.
1818 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1820 PR tree-optimization/28411
1821 * double-int.c (double_int_div): Use double_int_divmod.
1822 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1823 double_int_mod, double_int_smod, double_int_umod): New functions.
1824 * double-int.h (double_int_divmod, double_int_sdivmod,
1825 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1827 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1829 (get_computation_aff, get_computation_cost_at): Handle double_int
1830 return type of constant_multiple_of.
1832 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1835 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1836 an implicit conversion.
1838 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1840 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1842 2006-08-27 Roger Sayle <roger@eyesopen.com>
1844 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1847 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1849 * config/i386/crtfastmath.c: Fix a comment typo.
1851 2006-08-26 Roger Sayle <roger@eyesopen.com>
1853 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1854 temporary visit flags on CASE_LABEL_EXPRs.
1855 * c-common.c (match_case_to_enum): Add function comment. Avoid
1856 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1857 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1858 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1859 a constant, only warn if that constant value isn't handled.
1861 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1864 * input.h (restore_input_file_stack): Declare.
1865 (INPUT_FILE_STACK_BITS): Define.
1866 * toplev.c (fs_p, input_file_stack_history,
1867 input_file_stack_restored, restore_input_file_stack): New.
1868 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1869 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1870 (pop_srcloc): Don't free old state of stack.
1872 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1875 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1876 (PowerPC Type Attributes): New.
1878 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1880 * config/xtensa/xtensa.c (function_arg_boundary): New.
1881 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1883 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1884 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1886 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1889 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1892 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1894 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1895 (verify_local_live_at_start): Likewise.
1897 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1900 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1901 omp_add_variable): Treat sizes as variable whenever not
1904 2006-08-26 Richard Guenther <rguenther@suse.de>
1907 * fold-const.c (fold_binary): Fold temporary to correct
1908 type before constructing new comparison.
1910 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1913 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1914 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1916 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1919 * c-decl.c (start_function): Don't try to process prototype
1920 information from old declaration that isn't a function.
1922 2006-08-25 Jan Hubicka <jh@suse.cz>
1925 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1927 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1930 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1933 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1935 PR tree-optimization/16876
1936 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1937 exit if PARM doesn't match VALUE.
1939 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1941 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1942 literal_prefix directive.
1943 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1944 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1945 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1947 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1950 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1951 predicate to general_operand. Add 0->y and I->r alternatives.
1953 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1955 * doc/tm.texi: Fix a typo.
1956 * predict.c: Fix comment typos.
1958 2006-08-25 Nick Clifton <nickc@redhat.com>
1960 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1961 assertions of "cpu" and "machine".
1963 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1966 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1967 the access through a base which has an alias set of 0 cannot
1970 2006-08-24 Bill Wendling <wendling@apple.com>
1972 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1974 2006-08-24 Jan Hubicka <jh@suse.cz>
1976 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1978 2006-08-24 Jan Hubicka <jh@suse.cz>
1981 * cgraph.c: Fix comments.
1982 (cgraph_varpool_mark_needed_node): Mark only variables not already
1984 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1985 (cgraph_varpool_assembled_nodes_queue): New static variable.
1986 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1987 (cgraph_varpool_output_debug_info): New function.
1988 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1989 * Makefile.in: Add gt-cgraphunit.h
1991 2006-08-24 Jan Hubicka <jh@suse.cz>
1993 * predict.c (probability_reliable_p): New predicate.
1994 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1995 (predict_loops): Do not predict loop exit with less than 2%
1997 * basic-block.h (edge_probability_reliable_p,
1998 br_prob_note_reliable_p): Declare.
1999 * ia64.h (ia64_print_operand): Do not disable on-chip branch
2000 prediction when static predictor is not reliable.
2001 * rs6000.c (output_cbranch): Likewise.
2003 2006-08-23 Stuart Hastings <stuart@apple.com>
2006 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
2007 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
2009 2006-08-21 Geoffrey Keating <geoffk@apple.com>
2012 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
2013 complex values, nor for generic vector values.
2015 2006-08-22 Richard Guenther <rguenther@suse.de>
2018 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
2019 parameter. Convert arguments to arithmetic expression to the
2021 (analyze_scalar_evolution_1): Adjust caller.
2023 2006-08-22 Jan Hubicka <jh@suse.cz>
2025 Patch by Paolo Bonzini
2026 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
2029 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
2031 PR tree-optimization/28003
2032 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
2033 before grouping aliases.
2035 2006-08-22 Roger Sayle <roger@eyesopen.com>
2037 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
2038 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
2040 2006-08-21 Jason Merrill <jason@redhat.com>
2043 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
2044 wrapper. Loop to handle nested wrappers.
2045 (gimplify_bind_expr): Remove temp parameter.
2046 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
2047 and STATEMENT_LIST on the rhs.
2048 (gimplify_statement_list): Voidify the STATEMENT_LIST.
2049 (gimplify_expr): Pass pre_p to gimplify_statement_list.
2050 (gimplify_target_expr): Remove special BIND_EXPR handling.
2052 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
2054 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
2057 2006-08-21 Olivier Hainque <hainque@adacore.com>
2059 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
2060 Arrange for the temporary captures of components overlapping the lhs
2061 to happen before the lhs is possibly cleared.
2063 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
2065 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
2066 necessary places to pass the correct "number of registers" values
2069 2006-08-20 Jan Hubicka <jh@suse.cz>
2071 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
2072 (create_name_tags): Instead of quadratic checking use hashtable.
2073 * bitmap.h: Include hashtab.h.
2074 (bitmap_hash): Declare.
2075 * bitmap.c (bitmap_hash): New function.
2077 2006-08-20 Jan Hubicka <jh@suse.cz>
2079 PR rtl-optimization/28071
2080 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
2082 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
2083 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
2084 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
2085 cgraph_decide_inlining_incrementally): Update use of
2086 cgraph_check_inline_limits.
2087 * cgraph.c (edge_hash, edge_eq): New function.
2088 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
2089 cgraph_edge_remove_caller, cgraph_node_remove_callees,
2090 cgraph_remove_node): Maintain call site hash.
2091 * cgraph.h (struct cgraph_node): Add call_site_hash.
2092 (cgraph_set_call_stmt): New function.
2094 2006-08-20 Jan Hubicka <jh@suse.cz>
2096 PR rtl-optimization/28071
2097 * reload1.c (reg_has_output_reload): Turn into regset.
2098 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
2099 choose_reload_regs, emit_reload_insns): Update to new
2100 reg_has_output_reload.
2102 2006-08-20 Jan Hubicka <jh@suse.cz>
2105 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
2106 function body sizes.
2107 * cgraphunit.c (cgraph_analyze_function): Don't do so.
2109 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
2112 * tree.c (handle_dll_attribute): Return early if not a
2113 var or function decl.
2115 2006-08-18 Joseph Myers <joseph@codesourcery.com>
2118 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
2119 alignment of SPE vector types.
2121 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
2123 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
2125 2006-08-17 Jakub Jelinek <jakub@redhat.com>
2128 * cgraph.h (struct cgraph_node): Remove externally_visible
2130 * cgraphunit.c (process_function_and_variable_attributes): Set
2131 local.externally_visible rather than externally_visible.
2134 * c-common.c (handle_externally_visible_attribute): First look
2135 at TREE_CODE and only if it is function or var decl, check for
2136 non-public objects. Don't warn for DECL_EXTERNAL.
2137 * cgraphunit.c (process_function_and_variable_attributes): Warn
2138 if externally_visible attribute is used on non-public object.
2140 2006-08-17 Jan Hubicka <jh@suse.cz>
2142 PR tree-optimization/27865
2143 * reload1.c (forget_marked_reloads): New function.
2144 (forget_old_reloads_1): When data are passed, just mark the registers
2146 (reload_as_needed): Use the new mechanizm.
2148 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
2151 * reload.h (reg_equiv_alt_mem_list): New declaration.
2152 * reload1.c (reg_equiv_alt_mem_list): New definition.
2153 (reload): Initialize it and release it.
2154 (delete_output_reload): Use it.
2155 * reload.c (push_reg_equiv_alt_mem): New function.
2156 (find_reloads_toplev): Call it.
2157 (find_reloads_address, find_reloads_address_1): Likewise.
2158 (find_reloads_subreg_address): Likewise.
2160 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
2162 PR rtl-optimization/28489
2163 * sched-ebb.c (begin_schedule_ready): Create basic block
2165 (advance_target_bb): Skip empty blocks.
2166 * haifa-sched.c (bb_note): Make global.
2167 * sched-int.h (bb_note): Add prototype.
2169 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2171 PR tree-optimization/27865
2172 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
2174 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
2175 fold_used_pointer, pointer_used_p): New functions.
2176 (analyze_scalar_evolution_1): Use fold_used_pointer.
2177 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
2178 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
2181 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
2184 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
2185 or the INTEGER_CST. Fail on a CALL_EXPR.
2186 (fold_offsetof): Pass new argument to fold_offsetof_1.
2187 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
2188 operand into an INDIRECT_REF.
2189 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
2191 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2193 PR gcov/profile/26570
2194 * value-prof.c (static_values): Removed.
2195 (tree_find_values_to_profile): Do not set static_values.
2196 (find_values_to_profile): Do not free static_values.
2197 * profile.c (instrument_values): Do not free the values.
2198 (branch_prob): Free the values.
2200 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
2202 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
2204 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
2207 * c-typeck.c (build_component_ref): Combine qualifiers of
2208 structure or union and field.
2210 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2212 PR rtl-optimization/28071
2213 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
2214 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
2215 * tree-into-ssa.c (struct dom_dfsnum): New.
2216 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
2218 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
2219 compute_global_livein.
2220 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
2221 in phi nodes in the correct blocks.
2223 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
2225 PR tree-optimization/28364
2226 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
2228 (fold_affine_expr): New function.
2229 (may_eliminate_iv): Use fold_affine_expr.
2231 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2234 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
2237 2006-08-16 Mike Stump <mrs@apple.com>
2239 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
2240 * doc/cppopts.texi (-MD): Likewise.
2242 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
2245 * c-common.c (handle_weak_attribute): Ignore and warn if
2246 not a FUNCTION_ or VAR_DECL.
2248 2006-07-15 Mike Stump <mrs@apple.com>
2251 * c-parser.c (c_parser_typeof_specifier): Don't use
2252 c_finish_expr_stmt, open code desired semantics instead.
2254 2006-08-15 Nick Clifton <nickc@redhat.com>
2256 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
2257 fragment to tmake_file only if threads are enabled.
2258 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
2259 * config/i386/t-gthr-win32: New file. ... here.
2261 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2264 * c-parser.c (c_parser_compound_statement_nostart): Reset
2265 parser->error after each statement.
2267 2006-08-15 Jakub Jelinek <jakub@redhat.com>
2270 * omp-low.c (lower_omp_parallel): Convert t to
2271 receiver_decl's type.
2272 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
2273 source before comparison.
2276 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
2277 to itype in assignment to oldival2.
2279 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
2283 * c-typeck.c (build_compound_expr): If the second expression
2284 is an error mark, then just return an error mark instead of
2285 creating a COMPOUND_EXPR.
2287 2006-07-14 Mike Stump <mrs@apple.com>
2289 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
2291 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
2293 * c-decl.c, var-tracking.c: Fix comment typos.
2295 2006-08-14 Richard Sandiford <richard@codesourcery.com>
2297 PR rtl-optimization/28634
2298 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
2299 for floating-point modes unless flag_unsafe_math_optimizations.
2301 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
2302 Andrew Pinski <pinskia@physics.uc.edu>
2305 * tree.c (build_array_type): Unify array types with
2306 unspecified index_type.
2307 * c-decl.c (grokdeclarator): Make sure we do not modify a
2308 unified incomplete array type.
2309 * c-typeck.c (store_init_value): Create distinct type before
2310 filling in the index type in an initializer from a compound
2313 * c-decl.c (grokdeclarator): Remove code where we copy the
2316 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
2318 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
2319 into account for TODO_dump_cgraph.
2320 (TODO_update_ssa_no_phi): Likewise.
2321 (TODO_update_ssa_full_phi): Likewise.
2322 (TODO_update_ssa_only_virtuals): Likewise.
2323 (TODO_remove_unused_locals): Likewise.
2324 (TODO_set_props): Likewise.
2325 (TODO_update_stmt_usage): Likewise.
2327 2006-08-13 Dirk Mueller <dmueller@suse.de>
2329 * c-common.c (strict_aliasing_warning): Fix formatting.
2331 2006-08-13 Matthias Klose <doko@debian.org>
2333 * doc/invoke.texi: Fix spelling errors.
2335 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
2337 PR rtl-optimization/23454
2338 * reorg.c (relax_delay_slots): Update comment.
2340 2006-08-11 Richard Guenther <rguenther@suse.de>
2343 * simplify-rtx.c (simplify_const_relational_operation):
2344 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
2347 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
2349 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
2350 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
2352 2006-08-10 Paul Brook <paul@codesourcery.com>
2354 * final.c (final_scan_insn): Clear current_insn_predicate before
2355 outputting inline asm.
2357 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
2359 PR tree-optimization/26197
2360 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
2361 get_ref_base_and_extent and overlap_subvar to add only relevant
2362 subvars as may-aliases.
2363 (add_may_alias_for_new_tag): New function, factored out of
2365 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
2366 with additional argument.
2367 * tree-flow.h (new_type_alias): Takes additional argument.
2369 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
2371 * gcov.c (no_data_file): New flag.
2372 (read_count_file): Set it if data file not present. Assume counts
2374 (output_lines): Don't name the data file, if there wasn't one.
2376 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
2378 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
2379 (rs6000_generate_compare): Tweak comments.
2380 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
2382 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
2384 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
2385 (var_debug_decl): New function.
2386 (var_reg_set): Follow debug decl link. Add location even if
2387 reg is already known to hold some other variable.
2388 (var_mem_set): Follow debug decl link.
2389 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
2390 decl link. Delete other known locations of the variable part
2392 (var_reg_delete, var_mem_delete): Delete other known locations
2393 of the variable part if requested.
2394 (same_variable_part_p): New function.
2395 (add_stores): Select MO_COPY when appropriate.
2396 (vt_initialize): Handle it.
2397 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
2398 known locations for MO_SET and MO_CLOBBER.
2399 (find_variable_location_part): New function.
2400 (set_variable_part, delete_variable_part): Use it.
2401 (clobber_variable_part): New function.
2402 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
2405 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
2407 PR tree-optimization/26969
2408 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
2409 with an empty list of PHIs.
2411 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
2415 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
2418 2006-08-06 Andreas Schwab <schwab@suse.de>
2420 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
2421 string. Whitespace and comment fixup.
2423 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2426 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
2430 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
2433 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
2435 2006-08-04 Jan Hubicka <jh@suse.cz>
2439 * reload.c (push_reload): Patch out the mismatching instruction;
2441 (find_reload): Bail out if the instruction was patched out.
2443 2006-08-04 Jan Hubicka <jh@suse.cz>
2445 PR tree-optimization/24888
2446 * tree-inline.c (expand_call_inline): Do not re-record variables.
2447 (declare_inline_vars): Add variable to unexpanded_var_list.
2449 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2450 Roger Sayle <roger@eyesopen.com>
2452 PR rtl-optimization/26244
2453 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
2454 inner_const are negative or greater than or equal to the bitsize of
2455 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
2456 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
2457 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
2458 CONST0_RTX (mode) when the new shift count is greater than or equal to
2459 to the bitsize of the object being shifted and XEXP (y, 0) has no side
2462 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
2464 * tree-cfg.c: Fix a comment typo.
2466 2006-08-03 Mark Mitchell <mark@codesourcery.com>
2469 * varasm.c (output_constant): Give the front end another chance to
2470 expand constants, after stripping NOPs.
2472 2006-08-03 Jan Hubicka <jh@suse.cz>
2474 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
2477 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
2479 PR tree-optimization/27770
2480 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
2481 declaration removed (moved to tree-flow.h).
2482 (vect_can_force_dr_alignment_p): Likewise.
2483 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
2484 (moved from tree-vectorizer.h).
2485 (vect_can_force_dr_alignment_p): Likewise.
2486 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
2487 from outside the vectorizer - in particular from cgraph stage.
2488 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
2489 the alignment of global arrays when -fsection-anchors is enabled.
2490 * cgraphunit.c (cgraph_increase_alignment): New function.
2491 (cgraph_optimize): Call cgraph_increase_alignment.
2493 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2496 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2497 not reload a SPE symbol_ref into a lo_sum address.
2499 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2502 * dwarf2out.c (prune_unused_types_prune): Move call to
2503 prune_unused_types_update_strings to cover the parent DIE also.
2505 2006-08-02 Jan Hubicka <jh@suse.cz>
2507 PR gcov/profile/28480
2508 * tree-cfg.c (change_bb_for_stmt): New function.
2509 (tree_merge_blocks, tree_split_blocks): Use it.
2511 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2517 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2518 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2519 (cgraph_optimize): Likewise.
2521 2006-08-01 Stuart Hastings <stuart@apple.com>
2523 * rtl.h (UINTVAL) New.
2524 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2525 * testsuite/gcc.dg/20060801-1.c: New.
2527 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2530 * c-typeck.c (build_external_type): Mark used enum types.
2531 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2533 (gen_subprogram_die): Whitespace fix.
2535 2006-08-01 Jan Hubicka <jh@suse.cz>
2537 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2538 bitmap when not needed.
2539 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2542 2006-08-01 Dirk Mueller <dmueller@suse.de>
2544 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2546 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2548 * Makefile.in: Revert part of previous patch:
2549 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2552 2006-07-30 Eric Christopher <echristo@apple.com>
2555 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2556 (PowerPC Variable Attributes): New section.
2558 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2560 PR target/28126 (partial fix)
2561 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2563 2006-07-28 Jan Hubicka <jh@suse.cz>
2565 PR rtl-optimization/28071
2566 * cfgrtl.c (rtl_delete_block): Free regsets.
2567 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2569 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2571 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2572 and variables used in dependencies.
2574 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2576 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2577 %fs for -mcmodel=kernel.
2578 (stack_tls_protect_test_di): Likewise.
2580 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2582 * Makefile.in: Use mkinstalldirs.
2584 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2587 * opts-common.c (prune_options): Skip joined switches.
2589 2006-07-27 Jan Hubicka <jh@suse.cz>
2591 PR rtl-optimization/28071
2592 * cselib.c (cselib_process_insn): Don't remove useless values too
2593 often for very large hashtables.
2595 2006-07-27 Jan Hubicka <jh@suse.cz>
2597 PR rtl-optimization/28071
2598 * global.c (greg_obstack): New obstack.
2599 (allocate_bb_info): Use it.
2600 (free_bb_info): Likewise.
2601 (modify_reg_pav): Likewise.
2603 2006-07-27 Roger Sayle <roger@eyesopen.com>
2605 * builtins.c (fold_fixed_mathfn): When long and long long are the
2606 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2607 functions to their lceil*, lfloor*, lround* and lrint* forms.
2609 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2612 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2614 (rev_branch_insn): Likewise.
2616 2006-07-27 Jan Hubicka <jh@suse.cz>
2618 PR rtl-optimization/28071
2619 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2620 (reg_set_in_bb, max_reg_computed): New static variables.
2621 (regmove_optimize): Free the new array.
2622 (fixup_match_1): Update call of reg_is_remote_constant_p.
2624 2006-07-26 Jan Hubicka <jh@suse.cz>
2626 PR tree-optimization/27882
2627 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2629 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2631 (cgraph_analyze_compilation_unit): Likewise.
2632 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2633 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2634 (cgraph_early_inlinine): Make order garbage collected.
2635 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2637 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2639 * dbxout.c (output_types_sort): Add a comment.
2640 (output_used_types): Free the VEC.
2642 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2644 * function.c (reorder_fix_fragments): Delete.
2645 (reorder_blocks): Don't call it.
2646 (reorder_blocks_1): Put all subblocks under the origin block.
2648 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2650 PR rtl-optimization/27907
2651 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2654 2006-07-25 Roger Sayle <roger@eyesopen.com>
2657 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2658 bar(x) check that bar's result type can represent all the values of T.
2660 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2662 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2664 2006-07-25 Nick Clifton <nickc@redhat.com>
2666 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2667 size_lookup[] array.
2668 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2669 (ggc_pch_count_object): Likewise.
2670 (ggc_pch_alloc_object): Likewise.
2671 (ggc_pch_write_object): Likewise.
2672 (init_ggc): Do not attempt to initialize entries in the
2673 size_lookup[] array for objects whose size is greater than than
2674 the length of the array.
2676 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2678 * dbxout.c (output_used_types_helper): Push queued types
2680 (output_types_sort): New.
2681 (output_used_types): Collect used types on a VEC and sort them
2684 2006-07-24 Richard Guenther <rguenther@suse.de>
2687 * cgraph.c (cgraph_remove_node): Do not check if dumps
2689 * cgraphunit.c (cgraph_optimize): Likewise.
2691 2006-07-24 Jan Hubicka <jh@suse.cz>
2693 PR rtl-optimization/28071
2694 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2695 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2696 splitting before first stmt.
2698 2006-07-24 Jan Hubicka <jh@suse.cz>
2700 PR rtl-optimization/28071
2701 * ipa-inline.c (update_caller_keys): Remove edges that
2702 are no longer inline candidates.
2704 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2707 * dbxout.c (output_used_types_helper, output_used_types): New.
2708 (dbxout_symbol): Call output_used_types.
2710 2006-07-23 Jan Hubicka <jh@suse.cz>
2714 * cgraph.c (cgraph_varpool_nodes): Export.
2715 (decide_is_variable_needed): Ignored "used" attribute in
2716 unit-at-a-time mode.
2717 * cgraph.h (cgraph_varpool_nodes): Declare.
2718 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2719 unit-at-a-time mode.
2721 2006-07-23 Roger Sayle <roger@eyesopen.com>
2724 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2725 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2726 the __gthrw form of thr_keycreate.
2727 (__gthread_key_delete): Silence the unused argument warning.
2729 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2732 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2733 Cache the last found '\0' marker to avoid quadratic behavior.
2735 2006-07-23 Jan Hubicka <jh@suse.cz>
2737 * i386.md (subsi_3_zext): Fix output template.
2739 2006-07-21 Mike Stump <mrs@apple.com>
2741 * doc/invoke.texi (C++ Dialect Options): Note that
2742 -fvisibility-inlines-hidden doesn't affect explicitly
2743 instantiationed inline methods.
2745 2006-07-20 Roger Sayle <roger@eyesopen.com>
2747 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2748 if the target assembler is GNU binutils' gas.
2749 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2750 whether to pass GNU gas or native as command line options.
2752 2006-07-20 Jason Merrill <jason@redhat.com>
2754 * tree.c (remove_attribute): New fn.
2755 * tree.h: Declare it.
2757 2006-07-20 Paul Brook <paul@codesourcery.com>
2760 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2761 they are invalidated by this instruction.
2763 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2766 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2768 2006-07-20 Eric Christopher <echristo@apple.com>
2771 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2773 2006-07-19 Eric Christopher <echristo@apple.com>
2775 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2776 Rewrite dependencies for libgcc_s.1.dylib.
2778 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2780 * except.c (duplicate_eh_regions_1): Clear next_peer.
2782 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2784 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2785 -mlongcall does not guarantee all calls will be long.
2786 * doc/extend.texi (long_call/short_call): Document that longcall
2787 does not guarantee a long call will be used.
2788 (longcall/shortcall): Likewise.
2790 2006-07-18 Roger Sayle <roger@eyesopen.com>
2793 * expmed.c (expand_shift): Additionally check that the shift_cost
2794 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2795 before implementing a LSHIFT_EXPR as a sequence of additions.
2796 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2797 middle-end that DImode shifts need to be synthesized by expand.
2799 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2802 * tree-ssa-operands.c (access_can_touch_variable): Update
2804 Return true if ALIAS is .GLOBAL_VAR.
2806 2006-07-18 David Daney <ddaney@avtrex.com>
2808 * gcc.c (display_help): Fix typo in help text.
2810 2006-07-18 Olivier Hainque <hainque@adacore.com>
2812 * tree.h (categorize_ctor_elements): Adjust prototype and add
2813 descriptive comment, both in accordance with the interface change
2815 * varasm.c (constructor_static_from_elts_p): New function.
2816 Whether a constructor node is a valid static constant initializer
2817 if all its elements are.
2818 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2819 * output.h: Declare it.
2820 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2821 is a valid constant initializer instead of computing the number of
2822 non-constant elements. Use constructor_static_from_elts_p for this
2823 purpose. Replace the head comment with an indication that this is a
2824 helper for categorize_ctor_elements.
2825 (categorize_ctor_elements): Same interface change as for the _1
2826 helper. Former head comment from this helper moved here, adjusted to
2827 account for the interface changes.
2828 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2829 (all_zeros_p): Likewise.
2830 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2831 static versions of the constructor from the categorize_ctor_elements
2832 return value instead of the formerly computed number of non-constant
2835 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2837 * configure: Regenerate.
2838 * Makefile.in (build_libsubdir): New configure substitution
2839 (build_libobjdir): New variable.
2840 (BUILD_LIBIBERTY): Use it.
2842 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2845 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2847 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2850 * c-common.c (handle_weakref_attribute): Ignore attribute in
2851 the same conditions the alias attribute is ignored.
2853 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2855 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2856 (dbxout_begin_prologue): Increment scope_labelno.
2858 2006-07-17 Richard Henderson <rth@redhat.com>
2861 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2864 2006-07-17 Roger Sayle <roger@eyesopen.com>
2865 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2867 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2868 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2869 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2870 functions such as sbrk, write, etc.. Add function prototypes.
2871 Convert function declarations from K&R to ISO C. Cast pointers
2872 to "long" and "unsigned long" instead of "int" and "unsigned int".
2873 Convert tokens following #endif into comments.
2875 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2877 * invoke.texi: Remove mention of f77; Reformat table for
2878 inline parameter options correctly; mention that -malign-double
2879 is default on x86-64 targets.
2881 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2883 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2884 (convert_affine_scev, chrec_convert_aggressive): Use
2885 avoid_arithmetics_in_type_p. Do not check for the subtypes
2888 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2891 * optabs.c (expand_doubleword_shift): Wrap the call to
2892 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2894 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2897 * optabs.c (expand_binop): Pass next_methods rather than methods
2898 to expand_doubleword_shift.
2900 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2903 * tree.h (dump_addr): Declare.
2904 * print-tree.c (dump_addr): New function.
2905 (print_node_brief, print_node): Use it.
2906 * print-rtl.c (print_rtx): Likewise.
2907 * common.opt (-fdump-noaddr): New option.
2908 * doc/invoke.texi (-fdump-noaddr): Document.
2909 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2910 (ve_info_hash): Likewise.
2912 2006-07-13 Andrew Haley <aph@redhat.com>
2914 PR tree-optimization/19505
2915 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2916 edge leaving this block, make sure that the destination of this
2917 block has only one predecessor.
2919 2006-07-17 Richard Guenther <rguenther@suse.de>
2921 PR tree-optimization/28238
2922 * tree-inline.c (copy_bb): Check if we produced valid
2923 gimple copying and substituting a stmt. If not, gimplify
2926 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2928 * optabs.c (maybe_encapsulate_block): New function extracted from...
2929 (emit_libcall_block): ...here. Invoke it on the block of insns to
2930 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2931 (emit_no_conflict_block): Likewise.
2933 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2935 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2937 2006-07-15 Roger Sayle <roger@eyesopen.com>
2939 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2940 a new NOP_EXPR case of the switch statement.
2942 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2945 * stor-layout.c (place_field): Take the bit field with
2946 an excessive size into account in the ms-bitfiled case.
2949 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2950 the previous bit field.
2952 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2955 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2957 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2959 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2960 signal frames correctly even when the signal was installed with
2963 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2965 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2966 (dbxout_function_end): Use local label LFBB. Remove hook
2968 (dbxout_source_line): Use local label LFBB.
2969 (dbxout_block): Likewise.
2970 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2971 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2972 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2973 and DBX_OUTPUT_NFUN.
2975 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2977 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2979 2006-07-13 Jan Hubicka <jh@suse.cz>
2981 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2983 * output.h (align_variable): Declare.
2984 * varasm.c (align_variable): Export.
2985 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2986 when basic block changed.
2988 2006-07-13 Nick Clifton <nickc@redhat.com>
2990 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2991 walking the LOG_LINKS chain.
2993 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2995 * doc/invoke.texi (C++ Dialect Options): Explain difference
2996 between -fvisibility-inlines-hidden and setting hidden
2997 visibility explicitly.
2999 2006-07-12 Eric Christopher <echristo@apple.com>
3001 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
3002 (stmp-lipo): Depend on libgcc.a.
3004 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
3006 * tree.c: Fix a comment typo.
3008 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
3010 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
3012 (umulhisi3_r): Likewise.
3014 2006-07-12 Paolo Carlini <pcarlini@suse.de>
3017 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
3018 x < 19, vs wchar_t support.
3020 2006-07-12 Nick Clifton <nickc@redhat.com>
3022 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
3023 instead of -isa=sh4.
3025 2006-07-12 Mike Stump <mrs@apple.com>
3027 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
3029 2006-07-10 Eric Christopher <echristo@apple.com>
3031 * config/t-slibgcc-darwin: Rewrite.
3033 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
3036 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
3039 2006-07-08 Matthias Klose <doko@debian.org>
3041 * doc/sourcebuild.texi: Fix typo.
3043 2006-07-07 Mike Stump <mrs@apple.com>
3045 * toplev.c (process_options): Don't give -ffunction-sections may
3046 affect debugging warning for Mach-O.
3048 2006-07-07 James E Wilson <wilson@specifix.com>
3050 * config/mips/mips.md (cpu): Add sb1a.
3051 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
3052 addition to sb1. Adjust comments to clarify SB-1A differences from
3054 (ir_sb1a_load): New. Modify bypasses to use it.
3055 (ir_sb1a_simple_alu): Likewise.
3056 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
3057 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
3058 (mips_issue_rate): Add PROCESSOR_SB1A.
3059 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
3060 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
3061 (TARGET_SB1): Add PROCESSOR_SB1A check.
3062 (TUNE_SB1): Likewise.
3064 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
3065 * config/mips/mips.c (mips_store_data_bypass_p): New.
3066 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
3067 store_data_bypass_p.
3069 2006-07-08 Paul Brook <paul@codesourcery.com>
3072 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
3074 2006-07-07 Richard Guenther <rguenther@suse.de>
3077 * tree.h (build_one_cst): Declare.
3078 * tree.c (build_one_cst): New function.
3079 * tree-ssa-math-opts.c (get_constant_one): Remove.
3080 (insert_reciprocals): Use build_one_cst.
3081 * fold-const.c (fold_plusminus_mult): Likewise.
3083 2006-07-07 Roger Sayle <roger@eyesopen.com>
3085 * pointer-set.c (pointer_set_destroy): Correct whitespace.
3086 * cfgloopanal.c (dump_graph): Likewise.
3087 * dojump.c (discard_pending_stack_adjust): Likewise.
3088 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
3090 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
3091 * function.c (finalize_block_changes): Likewise.
3092 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
3093 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
3094 * rtl.c (dump_rtx_statistics): Likewise.
3095 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
3097 * varray.c (dump_varray_statistics): Likewise.
3098 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
3099 decode_decimal64, encode_decimal128, decode_decimal128,
3100 decimal_real_to_decimal): Likewise.
3102 2006-07-07 Richard Guenther <rguenther@suse.de>
3104 PR tree-optimization/28187
3105 * tree-vrp.c (vrp_operand_equal_p): New function.
3106 (vrp_bitmap_equal_p): Likewise.
3107 (update_value_range): Use them to compare old and new
3110 2006-07-06 Roger Sayle <roger@eyesopen.com>
3112 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
3113 a default case to switch statement to silence compiler warnings.
3115 2006-07-06 Roger Sayle <roger@eyesopen.com>
3118 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
3119 the configured assembler supports the x87's ffreep mnemonic.
3120 * configure: Regenerate.
3121 * config.in: Regenerate.
3123 * config/i386/i386.c (output_387_ffreep): New function.
3124 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
3125 (output_387_reg_move): Likewise.
3127 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
3129 Port to hosts whose 'sort' and 'tail' implementations
3130 treat operands with leading '+' as file names, as POSIX
3131 has required since 2001. However, make sure the code still
3132 works on pre-POSIX hosts.
3133 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
3134 which says you should use "tail -c +N" rather than "tail +Nc".
3135 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
3137 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
3139 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
3142 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3145 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
3146 PRE_{INC,DEC} of TFmode.
3148 2006-07-06 David Edelsohn <edelsohn@gnu.org>
3149 Alan Modra <amodra@bigpond.net.au>
3152 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
3155 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
3158 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
3159 Remove duplicate gtu.
3161 2006-07-05 Jason Merrill <jason@redhat.com>
3165 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
3166 * c-common.c (handle_packed_attribute): So don't copy it here.
3167 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
3169 2006-07-05 Mike Stump <mrs@apple.com>
3171 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
3173 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
3176 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
3178 2006-07-05 Richard Guenther <rguenther@suse.de>
3181 * config/i386/i386.md (*negdf2_1): Restrict pattern to
3182 TARGET_SSE2 targets if using SSE math.
3183 (*absdf2_1): Likewise.
3185 2006-07-05 Richard Guenther <rguenther@suse.de>
3187 PR tree-optimization/28162
3188 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
3189 make sure to convert the operands to the correct type.
3191 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
3193 PR tree-optimization/28218
3195 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
3196 to calculate and free the dominator information.
3198 2006-07-04 Peter O'Gorman <peter@pogma.com>
3200 * mklibgcc.in: chmod 644 before ranlib during install.
3202 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
3203 J"orn Rennecke <joern.rennecke@st.com>
3205 * configure.ac (.eh_frame data check): Use diff -b.
3207 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
3210 * Makefile.in (BUILD_RTL): Add build/vec.o.
3211 (build/gencondmd.o): Filter out -fkeep-inline-functions.
3212 (build/genextract): Delete.
3213 (build/genautomata): Likewise.
3215 2006-07-04 Alan Modra <amodra@bigpond.net.au>
3218 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
3219 128-bit IBM long doubles for ABI_V4.
3221 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
3223 * tree.c (range_in_array_bounds_p): New predicate.
3224 * tree.h (range_in_array_bounds_p): Declare it.
3225 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
3226 return a less conservative answer.
3227 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
3228 and flag 'is_group'.
3229 (IS_ELEMENT_FOR_GROUP): New macro.
3230 (FOR_EACH_ACTUAL_CHILD): Likewise.
3231 (next_child_for_group): New helper function.
3232 (can_completely_scalarize_p): Take into account groups.
3233 (sra_hash_tree): Handle RANGE_EXPR.
3234 (sra_elt_eq): Likewise.
3235 (lookup_element): Be prepared for handling groups.
3236 (is_valid_const_index): Delete.
3237 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
3238 instead of is_valid_const_index.
3239 <ARRAY_RANGE_REF>: New case.
3240 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
3241 is_valid_const_index.
3242 <ARRAY_RANGE_REF>: Do not unconditionally punt.
3243 (scan_dump): Dump info for groups too.
3244 (decide_instantiation_1): Likewise.
3245 (decide_block_copy): Assert that the element is not a group.
3246 Propagate decision to groups.
3247 (generate_one_element_ref): Handle RANGE_EXPR.
3248 (mark_no_warning): Iterate over actual childs.
3249 (generate_copy_inout): Likewise.
3250 (generate_element_copy): Likewise.
3251 (generate_element_zero): Likewise.
3252 (generate_element_init_1): Likewise.
3253 (dump_sra_elt_name): Handle RANGE_EXPR.
3255 2006-07-03 Roger Sayle <roger@eyesopen.com>
3257 PR tree-optimization/26251
3258 * tree-ssa-threadupdate.c (redirection_block_p): New function.
3259 (thread_block): When optimizing for size refuse to thread jumps
3260 that would require duplication of blocks other than redirection
3263 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3265 * configure.ac: Fix thinko in previous check-in.
3266 * configure: Regenerate.
3268 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
3271 * configure.ac (for lang...): Simplify nesting of conditionals.
3272 Test subdir_requires for non-enabled languages. Move processing
3273 of lang_opt_files and lang_tree_fiels below that test.
3274 * configure: Regenerate.
3275 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
3277 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
3279 * doc/gcov.texi (Invoking Gcov): Add a missing word.
3281 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
3283 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
3286 2006-06-29 Jason Merrill <jason@redhat.com>
3293 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
3294 * c-common.c (c_determine_visibility): Handle it here.
3295 * c-decl.c (finish_decl): Call c_determine_visibility for
3297 * flags.h (enum symbol_visibility): Sort from most to least visibility.
3299 * varasm.c (default_assemble_visibility): Likewise.
3300 * c-common.c (handle_visibility_attribute): Complain about trying
3301 to give visibility to an already defined class, or trying to change
3302 declared visibility. Always attach the attribute.
3307 * attribs.c (decl_attributes): Ignore type-in-place attributes
3308 once the type has been defined.
3310 2006-06-29 Roger Sayle <roger@eyesopen.com>
3313 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
3314 to indicate the cpplib has issued an error message for us.
3316 2006-06-29 Asher Langton <langton2@llnl.gov>
3319 * config/i386/i386.c (ix86_output_function_epilogue): Don't
3320 insert a label at the end of an function under Mach-O.
3322 2006-06-29 Eric Christopher <echristo@apple.com>
3323 Evan Cheng <evan.cheng@apple.com>
3325 * predicates.md (vector_all_ones_operand): New.
3326 (nonimmediate_or_sse_const_operand): Ditto.
3327 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
3328 * config/i386/i386.c (standard_sse_constant_opcode): Define.
3329 (standard_sse_mode_p): Ditto.
3330 (standard_sse_constant_p): Add case for -1 vector.
3331 (ix86_expand_vector_move): Try to use.
3332 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
3333 Call standard_sse_constant_opcode.
3334 (*movv4sf_internal): Ditto.
3335 (*movv2df_internal): Ditto.
3337 2006-06-29 Roger Sayle <roger@eyesopen.com>
3339 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
3340 of XEXP to extract the operands of a MATCH_CODE rtx.
3342 2006-06-28 Andrew Pinski <pinskia@gmail.com>
3344 * tree.c (tree_size): Do not waste tail padding in
3345 struct tree_string and make the size be the same as
3346 build_string will generate.
3348 2006-06-28 Jason Merrill <jason@redhat.com>
3351 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
3352 may_aliases already in the tag's annotations to the bitmap.
3354 2006-06-28 Roger Sayle <roger@eyesopen.com>
3356 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
3358 2006-06-28 Roger Sayle <roger@eyesopen.com>
3360 * genpreds.c (generate_switch_p): New function.
3361 (add_mode_tests): Push the new mode test down inside an AND expr
3362 if this allows the switch-suitable MATCH_CODE to be near the root.
3363 (write_match_code_switch): New function to write a MATCH_CODE as
3365 (write_predicate_stmts): New function to write a predicate RTX
3366 expression as a sequence of statements.
3367 (write_one_predicate_function): Use write_predicate_stmts.
3368 (write_tm_constrs_h): Likewise.
3370 2006-06-26 Fred Fish <fnf@specifix.com>
3372 * config/mips/t-sb1: New file.
3373 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
3376 2006-06-26 DJ Delorie <dj@redhat.com>
3378 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
3380 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
3381 Jayant Sonar <jayants@kpitcummins.com>
3382 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
3384 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
3385 (subsi3, subsi3_1, subsi3_2): New.
3386 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
3387 * config/m32c/mov.md (SI mov peephole): New.
3388 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
3389 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
3391 2006-06-26 Olivier Hainque <hainque@adacore.com>
3393 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
3394 a CALL_EXPR target function declaration.
3396 2006-06-26 Richard Guenther <rguenther@suse.de>
3398 * tree.c (build_string): Do not waste tail padding in
3401 2006-06-26 Richard Guenther <rguenther@suse.de>
3403 * ggc-page.c (init_ggc): Add missing element to size_lookup
3407 2006-06-23 Richard Guenther <rguenther@suse.de>
3409 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3410 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3411 alignment requests instead. Add verification code.
3412 Add struct tree_function_decl and struct tree_binfo size to
3413 extra_order_size_table. Add missing element to size_lookup
3416 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
3419 * fold-const.c (const_binop): Be prepared for self returning zero.
3420 Simplify code handling complex values.
3422 2006-06-24 Olivier Hainque <hainque@adacore.com>
3424 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
3425 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
3428 2006-06-24 Olivier Hainque <hainque@adacore.com>
3430 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
3431 ARRAY_REF, so have the callback called for the low bound expression.
3433 2006-06-23 Janis Johnson <janis187@us.ibm.com>
3435 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
3436 * c-typeck.c (c_common_type): Disallow operations on decimal float
3437 types and other float types.
3438 * convert.c (convert_to_real): Don't ignore conversions involving
3439 decimal float types.
3441 2006-06-23 Olivier Hainque <hainque@adacore.com>
3443 * tree.c (max_int_size_in_bytes): New function, inspired from
3444 code in function.c:assign_temp.
3445 * tree.h (max_int_size_in_bytes): Declare.
3446 * function.c (assign_temp): Use it.
3447 * gimplify.c (create_tmp_var): Relax the assertions on the type
3448 properties, not mandating constant size any more.
3449 (force_constant_size): New static function.
3450 (gimple_add_tmp_var): Use it, forcing variable size to a
3451 constant upper bound if it is not constant on entry.
3453 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
3456 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
3457 for initialization and setting of one_only flag to ...
3458 (i386_pe_encode_section_info): ...here.
3459 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
3460 Recheck that the symbol has not been defined.
3462 2006-06-23 Richard Guenther <rguenther@suse.de>
3464 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
3465 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
3466 alignment requests instead. Add verification code.
3467 Add struct tree_function_decl and struct tree_binfo size to
3468 extra_order_size_table. Add missing element to size_lookup
3471 2006-06-22 Roger Sayle <roger@eyesopen.com>
3472 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3475 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
3476 call to lang_hooks.types.type_for_mode returned NULL_TREE.
3478 2006-06-23 Ben Elliston <bje@au.ibm.com>
3480 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
3481 negate dn -- manipulate it directly.
3483 2006-06-22 Roger Sayle <roger@eyesopen.com>
3484 Steven Bosscher <stevenb.gcc@gmail.com>
3487 * reload1.c (gen_reload): Call mark_jump_label on the new insns
3488 generated by gen_move_insn to add REG_LABEL notes if necessary.
3490 2006-06-22 Bob Wilson <bob.wilson@acm.org>
3492 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
3493 (leaf_entry): Remove use of MIN_ESA.
3495 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3497 PR rtl-optimization/28121
3498 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3501 2006-06-21 DJ Delorie <dj@redhat.com>
3503 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3505 (mulhisi3_r): Likewise.
3507 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3510 * coverage.c (coverage_counter_alloc): Leave the index type
3512 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3515 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3517 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3518 section from the "Options for Code Generation Conventions".
3520 2006-06-21 Richard Henderson <rth@redhat.com>
3524 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3526 (global_symbolic_operand): Allow weak symbols, even if local_p.
3528 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3530 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3531 (find_interesting_uses_address): Punt if above function returns true.
3533 2006-06-21 Richard Guenther <rguenther@suse.de>
3535 * configure: Regenerated.
3537 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3539 * config/mips/mips.c (function_arg): Where one part of a
3540 complex argument is in registers and the other part in the stack,
3541 return a REG not a PARALLEL.
3543 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3545 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3546 when cross-compiling. Do not substitute libstdcxx_incdir.
3547 * configure: Regenerated.
3549 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3551 * varasm.c (mergeable_string_section): Check for embedded NULs and
3552 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3553 rather than TREE_STRING_LENGTH bytes.
3555 2006-06-21 Richard Guenther <rguenther@suse.de>
3557 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3558 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3561 2006-06-21 Richrad Guenther <rguenther@suse.de>
3563 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3564 Limit iteration over the dominators.
3566 2006-06-20 Roger Sayle <roger@eyesopen.com>
3568 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3569 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3571 2006-06-20 Richard Guenther <rguenther@suse.de>
3572 Michael Matz <matz@suse.de>
3574 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3576 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3577 * et-forest.h (et_free_pools): Prototype new function.
3578 * et-forest.c (et_free_tree_force): Free parent occurrence.
3579 (et_free_pools): New function.
3580 * dominance.c (free_dominance_info): Free et-forest alloc
3583 2006-06-20 Roger Sayle <roger@eyesopen.com>
3585 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3586 integer modes, attempt to directly construct an integer constant.
3588 * fold-const.c (native_encode_vector): Determine the size of each
3589 element from the vector type instead of the first vector element.
3591 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3592 if all of its elements/components are constant.
3593 (build_constructor_from_list): Likewise.
3595 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3597 PR tree-optimization/27331
3598 * tree-data-ref.c (free_data_ref): New function.
3599 (create_data_ref): Fail if the data reference has unknown access
3601 (free_data_refs): Use free_data_ref.
3603 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3606 * tree-inline.c (setup_one_parameter): Strip useless
3607 type conversion before adding it to the IR.
3608 (declare_return_variable): Likewise.
3610 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3613 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3615 2006-06-19 Mike Stump <mrs@apple.com>
3617 * tree.c (variably_modified_type_p): VM arguments don't make the
3620 2006-06-19 Richard Guenther <rguenther@suse.de>
3622 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3623 type conversions after folding.
3625 2006-06-19 Richard Guenther <rguenther@suse.de>
3627 * ggc-page.c (extra_order_size_tab): Add entries with
3628 size of struct function and basic_block.
3629 (size_lookup): Extend to cover sizes up to 511.
3630 (ggc_alloc_stat): Adjust user.
3631 (ggc_pch_count_object): Likewise.
3632 (ggc_pch_alloc_object): Likewise.
3633 (ggc_pch_write_object): Likewise.
3635 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3637 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3638 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3641 2006-06-19 Denis Chertykov <denisc@overta.ru>
3643 * config/avr/libgcc.S : Correct my wrong previous commit.
3645 2006-06-19 Roger Sayle <roger@eyesopen.com>
3648 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3649 have stripped a SUBREG from the shift count, so we may need to
3650 convert_to_mode back to the type's mode before calling make_tree.
3651 Use new_amount instead of amount to avoid expanding a tree twice.
3653 2006-06-19 Richard Guenther <rguenther@suse.de>
3656 * fold-const.c (operand_equal_p): Check if the argument types
3657 have the same precision before stripping NOPs.
3659 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3661 Fix PR tree-optimization/27341
3662 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3664 * tree-complex.c (pass_lower_complex): Update SMT usage.
3666 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3668 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3669 Add a new alternative to the constraint strings. Add move of
3670 operand 1 to 3 to the splitter definition.
3671 ("doloop_si_long"): Second contraint alternative removed.
3673 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3675 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3676 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3678 (AVR_HAVE_MOVW) Define.
3679 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3680 (ASM_SPEC): Add avr25.
3681 (LINK_SPEC): Add avr25.
3682 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3683 (base_arch_s): Add new member 'have_movw_lpmx'.
3684 (avr_arch_types): Init 'have_movw_lpmx'.
3685 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3686 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3687 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3688 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3689 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3691 (avr_file_start): Do not output '.arh' derective.
3692 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3693 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3694 * config/avr/avr.md (mcu_enhanced): Delete.
3695 (mcu_have_movw): Define.
3696 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3697 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3698 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3699 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3700 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3701 attiny861 and at86rf401 devices.
3703 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3705 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3708 2006-06-17 Karl Berry <karl@gnu.org>
3710 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3711 doc/gccint.texi, doc/install.texi (@dircategory): Use
3712 "Software development" instead of "Programming", following
3713 the Free Software Directory.
3715 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3717 * config/i386/i386.c (legitimate_tls_address)
3718 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3719 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3720 (*tls_dynamic_gnu2_combine_64): Likewise.
3722 2006-06-16 Richard Guenther <rguenther@suse.de>
3725 * fold-const.c (negate_expr_p): Do not introduce undefined
3726 overflow in negating INTEGER_CSTs.
3727 (fold_negate_expr): Rename from negate_expr. Revert last
3728 change for folding BIT_NOT_EXPR. Change semantics to
3729 return NULL_TREE for non-simplified negations. Do not
3730 strip type conversions and unify type handling.
3731 (negate_expr): New function, wrap around fold_negate_expr
3732 but ensure building a tree always. Strip type conversions
3733 here, fold to result type.
3734 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3736 2006-06-16 Roger Sayle <roger@eyesopen.com>
3739 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3740 that (would) return their results in stack registers.
3742 2006-06-16 Michael Matz <matz@suse.de>
3743 Richard Guenther <rguenther@suse.de>
3745 * fold-const.c (fold_truthop): Only return new tree node if
3746 we canonicalized something.
3748 2006-06-16 Richard Guenther <rguenther@suse.de>
3750 * function.h (enum function_frequency): Move declaration
3751 out of struct function.
3752 (struct function): Move bool fields and the enum to the bitfield
3753 section. Reorder elements to avoid padding. Remove unused
3754 fields left over from the RTL inliner removal.
3755 * function.c (free_after_compilation): Do not zero removed fields.
3756 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3757 (ipa-type-escape.o): Likewise.
3759 2006-06-16 Richard Guenther <rguenther@suse.de>
3761 * cgraph.h (struct cgraph_local_info): Turn bool elements
3763 (struct cgraph_node): Likewise.
3764 (struct cgraph_varpool_node): Likewise.
3766 2006-06-15 Richard Guenther <rguenther@suse.de>
3768 * fold-const.c (fold_truth_not_expr): Rename from
3769 invert_truthvalue. Give it fold_* semantics to avoid
3771 (invert_truthvalue): New function. Wrapper around
3772 fold_truth_not_expr.
3773 (optimize_minmax_comparison): Avoid creating garbage.
3774 (fold_unary): Use fold_truth_not_expr for folding
3776 (fold_ternary): Replace uses of invert_truthvalue with
3777 fold_truth_not_expr where applicable.
3778 * tree.h (fold_truth_not_expr): Prototype.
3780 2006-06-16 Richard Guenther <rguenther@suse.de>
3782 PR tree-optimization/27781
3783 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3784 * ipa-pure-const.c (target.h): Include.
3785 (analyze_function): Do not analyze functions that do not
3788 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3791 * tree-dfa.c (referenced_vars_dup_list): Remove.
3792 (find_referenced_vars): Remove assert.
3793 (referenced_var_check_and_insert): Replace dup list with assert.
3794 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3795 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3797 2006-06-15 Richard Guenther <rguenther@suse.de>
3799 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3800 extra unused identifiers if not dumping.
3801 (create_variable_info_for): Likewise.
3803 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3805 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3806 (derive_constant_upper_bound): Derive more precise upper bound in
3807 common cases. Return type changed to double_int.
3808 (record_estimate): Reflect the changed return type of
3809 derive_constant_upper_bound.
3810 * double-int.c (double_int_zext, double_int_sext): Fix.
3812 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3814 * configure.ac (CFLAGS): Get them from the toplevel or from the
3815 configure invocation.
3816 * configure: Regenerate.
3817 * Makefile.in (CFLAGS): Substitute value provided by configure.
3819 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3822 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3823 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3824 rather than calling add_stmt on it.
3825 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3827 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3830 * reload1.c (reload): Remove registers returned by update_eliminables
3831 from used_spill_regs.
3833 2006-06-13 DJ Delorie <dj@redhat.com>
3835 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3837 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3839 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3840 html__strip_dir, html__mkdir_p. Enhance install-html target.
3841 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3842 * configure: Regenerate.
3844 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3846 * fold-const.c (fold_cond_expr_with_comparison): Check for
3847 Objective-C++ as language in deciding COND_EXPR transformation.
3849 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3852 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3853 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3854 * config/sh/lib1funcs.h (SL, SL1): Define.
3855 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3856 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3857 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3858 (OBJS_Os_4_200): New variable.
3859 ($(T)libgcc-Os-4-200.a): Use it.
3860 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3861 when dividing 1 and/or by 0.
3863 2006-06-13 Roger Sayle <roger@eyesopen.com>
3865 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3866 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3867 * configure: Regenerate.
3869 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3871 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3872 for real instruction.
3874 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3877 * haifa-sched.c (check_cfg): Handle special case.
3879 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3882 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3883 Add debug_info parameter. Chain the vars to the BLOCK instead
3884 of the BIND_EXPR if debug info are requested for them.
3885 (pop_gimplify_context): Adjust for above change.
3886 (gimple_add_tmp_var): Likewise.
3887 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3889 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3890 (convert_local_reference): Likewise.
3891 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3892 (finalize_nesting_tree_1): Request that debug info be emitted
3893 for debug_var_chain.
3895 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3897 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3898 for PR target/27863.
3900 2006-06-13 Richard Guenther <rguenther@suse.de>
3903 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3905 2006-06-13 Richard Guenther <rguenther@suse.de>
3907 PR tree-optimization/27830
3908 * tree-inline.c (copy_body_r): For copying the operand
3909 of an ADDR_EXPR make sure to fold &* afterwards.
3911 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3913 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3914 lvalues in the fb_none case with side-effects.
3916 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3918 * tree-flow.h: Remove the prototype for
3919 compute_phi_arg_on_exit.
3920 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3921 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3924 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3926 * builtins.c (expand_builtin_return_addr): Only use
3927 frame_pointer_rtx when count == 0 and we are expanding
3928 __builtin_return_address.
3930 2006-06-12 Fred Fish <fnf@specifix.com>
3932 * config/mips/mips.c (mips_file_start): Create special section
3933 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3935 2006-06-11 Eric Christopher <echristo@apple.com>
3938 * stor-layout.c (place_field): Remove check for
3939 remaining_in_alignment when aligning at the end of a run.
3941 2006-06-11 Eric Christopher <echristo@apple.com>
3944 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3947 2006-06-11 Roger Sayle <roger@eyesopen.com>
3950 Revert incorrect fix for PR target/27158
3951 2006-05-08 Roger Sayle <roger@eyesopen.com>
3952 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3953 of a reg_equiv_constant if the result is a legitimate constant.
3955 2006-06-11 Roger Sayle <roger@eyesopen.com>
3958 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3959 extract a CONST_VECTOR element and interpret it as an integer.
3960 (vspltis_constant): Use const_vector_elt_as_int instead of the
3961 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3962 * config/rs6000/predicates.md (easy_vector_const): Consider
3963 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3965 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3968 * stor-layout.c (update_alignment_for_field): Don't add extra
3969 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3972 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3974 * config/mips/t-rtems: Add EL/EB multilib variants.
3976 2006-06-09 Mike Stump <mrs@apple.com>
3978 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3980 2006-06-09 David Daney <ddaney@avtrex.com>
3982 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3984 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3986 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3988 2006-06-09 Richard Guenther <rguenther@suse.de>
3990 PR tree-optimization/26998
3991 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3992 of signed types, only TYPE_MIN_VALUE is special, but for both,
3993 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3994 in this case, as is -fwrapv.
3996 2006-06-08 Mike Stump <mrs@apple.com>
3999 * config/darwin.c (darwin_asm_output_anchor): Disable
4000 -fsection-anchors on darwin for now.
4001 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
4002 * rs6000/rs6000.c (optimization_options): Likewise.
4004 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4007 * config/i386/i386.c (classify_argument): Skip fields with invalid
4010 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
4012 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
4013 (cse_insn): Likewise for the stack_pointer_rtx.
4015 2006-06-08 Roger Sayle <roger@eyesopen.com>
4017 * tree-ssa-dom.c (record_conditions): Only record "unordered"
4018 conditions from floating point comparisons.
4020 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
4023 * expmed.c (struct alg_hash_entry): Fix type of field T
4024 to match synth_mult argument.
4025 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
4027 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4030 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
4033 2006-06-08 Richard Guenther <rguenther@suse.de>
4036 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
4037 only, if overflow is defined and not trapping.
4038 (negate_expr): Likewise.
4040 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4042 PR tree-optimization/27872
4043 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
4044 flag on the new exit edge of the unrolled loop.
4046 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
4048 PR rtl-optimization/26449
4049 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
4051 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
4054 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
4055 referenced_variables with matching DECL_UID's.
4056 (find_referenced_vars): Make sure duplicate list is empty to start.
4057 (referenced_var_p): Remove.
4058 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
4059 Check if var is in the list, and add if needed. Update the duplicate
4060 list if a different var is in the list with the same DECL_UID.
4061 (add_referenced_var): Call routine to check and insert.
4062 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
4063 * tree-flow.h (referenced_vars_dup_list): External declaration.
4065 2006-06-07 Fred Fish <fnf@specifix.com>
4067 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
4070 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
4073 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
4074 the imaginary and real parts of a clobbered register.
4075 Emit insn to set the imaginary part.
4077 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
4079 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
4080 in lieu of unwind-dw2-fde.c.
4082 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
4084 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
4086 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
4089 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
4090 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
4091 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
4092 V4SImode temporaries and operations instead.
4094 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
4096 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
4099 2006-06-06 Mike Stump <mrs@apple.com>
4101 * Makefile.in: Rename to htmldir to build_htmldir to avoid
4102 installing during build.
4104 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
4106 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
4108 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
4109 * config/ia64/ia64.c (params.h): New header.
4110 (ia64_optimization_options): New function to adjust parameters.
4111 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
4112 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
4113 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
4115 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
4117 * stor-layout.c (debug_rli): Fix a typo in a debug message.
4119 2006-06-05 Steve Ellcey <sje@cup.hp.com>
4122 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
4124 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
4125 Victor Kaplansky <victork@il.ibm.com>
4127 PR tree-optimization/26360
4128 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
4131 2006-06-04 Roger Sayle <roger@eyesopen.com>
4132 Andrew Pinski <pinskia@physics.uc.edu>
4135 * c-common.c (c_common_truthvalue_conversion): Explicitly check
4136 for LABEL_DECL before calling DECL_WEAK.
4139 * c-typeck.c (build_binary_op): Likewise, explicitly check for
4140 LABEL_DECL and PARM_DECL.
4142 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
4146 * c-decl.c (grokdeclarator): Disallow variably modified types at
4147 file scope. Avoid marking shared array type of constant size as
4150 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4153 * c-common.c (fold_offsetof_1): Handle static members.
4155 2006-06-04 Eric Christopher <echristo@apple.com>
4157 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
4158 (debug_rli): Output value for remaining_in_alignment.
4159 (update_alignment_for_field): Unconditionalize
4160 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
4161 extra alignment code.
4162 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
4163 ms_bitfield_layout_p code. Rewrite handling of structure fields.
4164 * tree.h (record_layout_info_s): Remove prev_packed.
4165 * doc/extend.texi (ms_struct): Add documentation of format.
4167 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
4169 * tree.h: Declare folding_initializer.
4170 * builtins.c (fold_builtin_constant_p): Give definite answer
4171 if folding inside an initializer.
4172 * fold-const.c: Define folding_initializer.
4173 (START_FOLD_INIT): Save and then set folding_initializer.
4174 (END_FOLD_INIT): Restore folding_initializer.
4176 2006-06-04 Richard Guenther <rguenther@suse.de>
4178 PR tree-optimization/27039
4179 * fold-const.c (fold_comparison): Handle pointer comparison
4180 again for all comparison codes. Compare offsets in signed
4182 (fold_binary): Move code from here.
4184 2006-06-03 Roger Sayle <roger@eyesopen.com>
4187 * config/i386/i386.c (construct_container): Split static issued_error
4188 flag into issued_sse_arg_error, issued_sse_ret_error and
4189 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
4190 requires the use of x87 registers and the user explicitly
4191 specified the -mno-80387 command line option.
4193 2006-06-02 Geoffrey Keating <geoffk@apple.com>
4195 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
4196 HAVE_DECL_SIGALTSTACK.
4198 (segv_handler): Use MC_FLD.
4199 * configure.ac: Check for a sigaltstack declaration.
4200 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
4201 * configure: Regenerate.
4202 * config.in: Regenerate.
4204 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
4207 * Makefile.in (stmp-fixinc): Fix typo.
4209 2006-06-02 Roger Sayle <roger@eyesopen.com>
4211 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
4212 are type correct. Clean-up.
4213 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
4214 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
4216 2006-06-01 DJ Delorie <dj@redhat.com>
4218 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
4219 shift, as we've disabled the "switch" insn that needs it.
4221 2006-06-01 Per Bothner <bothner@bothner.com>
4223 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
4224 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
4225 * c-ppoutput.c (cb_define): Don't increment line 0.
4227 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
4229 * doc/invoke.texi: Add cpu_type power6.
4230 * config.gcc: Add cpu_type power6.
4231 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
4232 to power5+ with Altivec.
4233 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
4234 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
4236 2006-05-30 Anatoly Sokolov <aesok@post.ru>
4238 * config/avr/avr.h (SET_ASM_OP): Define.
4240 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
4242 * config/bfin/bfin.c: Fix comment typos.
4244 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4247 * doc/install.texi: Document --enable-bootstrap and
4248 --disable-bootstrap.
4250 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
4252 * doc/install.texi: Document that InfoZIP can replace jar.
4254 2006-05-31 Roger Sayle <roger@eyesopen.com>
4256 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
4257 isn't available, directly generate the simpler x87 patterns without
4258 the (use (const_int 0)).
4259 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
4260 implementation isn't available.
4261 (*negdf2_1): Likewise.
4262 (*negxf2_1): XF mode negation is always done using the x87.
4263 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
4265 2006-05-31 Roger Sayle <roger@eyesopen.com>
4267 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
4268 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
4270 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
4272 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4274 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
4275 * config/bfin/bfin.c (basic-block.h): Include.
4276 (struct machine_function): New.
4277 (bfin_init_machine_status): New.
4278 (override_options): Initialize init_machine_status.
4279 (bfin_hardware_loop): New.
4280 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
4281 (DEF_VEC_P (loop_info)): New.
4282 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
4283 (struct loop_info): New.
4284 (loop_info): New typedef.
4285 (struct loop_work): New.
4286 (loop_work): New typedef.
4287 (DEF_VEC_O (loop_work)): New.
4288 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
4289 (bfin_dump_loops): New.
4290 (bfin_bb_in_loop): New.
4291 (bfin_scan_loop): New.
4292 (bfin_optimize_loop): New.
4293 (bfin_reorg_loops): New.
4294 (bfin_reorg): Use bfin_reorg_loops.
4295 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
4297 (I_REGNO_P): Simplify.
4298 (DP_REGNO_P, DPREG_P): New macros.
4299 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
4300 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
4301 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
4302 Add LT_REGS, LC_REGS, LB_REGS.
4303 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
4305 (REGNO_REG_CLASS): Deal with loop registers.
4306 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
4308 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
4309 New constants for loop registers.
4310 (UNSPEC_LSETUP_END): New.
4311 (seq_insns): New define_attr. Set it for appropriate insns.
4312 (movsi_insn): Add alternatives for move from/to
4313 loop count registers.
4314 (doloop_end): New define_expand.
4315 (loop_end): New define_insn.
4316 (define_split for bad doloop_end): New.
4317 (lsetup_with_autoinit): New define_insn.
4318 (lsetup_without_autoinit): New define_insn.
4319 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
4320 * config/bfin/predicates.md (lc_register_operand): New.
4321 (lt_register_operand): New.
4322 (lb_register_operand): New.
4323 (nondp_register_operand): New.
4324 (nondp_reg_or_memory_operand): New.
4325 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
4327 2006-05-31 Jie Zhang <jie.zhang@analog.com>
4329 * config/bfin/bfin.c (bfin_delegitimize_address): New.
4330 (TARGET_DELEGITIMIZE_ADDRESS): Define.
4332 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
4334 * Makefile.in (CATALOGS): Add po/ prefix.
4335 * configure: Regenerated.
4337 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
4340 * arm.c (arm_print_operand case 'S'): Validate that the operand is
4341 a shift operand before calling shift_op. Avoid redundant call of
4344 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
4345 DJ Delorie <dj@redhat.com>
4347 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
4348 we're inserting is a singlt-bit constant.
4350 2006-05-30 Roger Sayle <roger@eyesopen.com>
4352 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
4353 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
4355 2006-05-30 Roger Sayle <roger@eyesopen.com>
4357 PR tree-optimization/23452
4358 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
4359 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
4360 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
4361 complex values and with -ffast-math for FP complex values.
4363 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
4365 * c-common.h: Remove the prototype for yyparse.
4366 * rtl.h: Remove the prototype for init_loop.
4368 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
4370 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
4373 2006-05-30 Roger Sayle <roger@eyesopen.com>
4375 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
4377 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
4378 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
4380 2006-05-30 Dirk Mueller <dmueller@suse.de>
4383 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
4384 for CONSTANT_CLASS_P expresisons.
4386 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4389 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
4391 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
4393 PR tree-optimization/27779
4394 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
4395 initial_condition instead of CHREC_LEFT.
4397 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
4399 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
4400 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
4401 Make prototypes ISO C90.
4403 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
4404 Leehod Baruch <leehod.baruch@weizmann.ac.il>
4406 * see.c (see_analyze_one_def): Correct check.
4407 (see_get_extension_data): Check if extension is parallel.
4408 (see_get_extension_reg): Likewise.
4410 2006-05-30 Uros Bizjak <uros@kss-loka.si>
4413 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
4414 into register for (code == GTU).
4416 2006-05-29 Roger Sayle <roger@eyesopen.com>
4418 PR tree-optimization/24964
4419 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
4420 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
4421 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
4422 abs(x)*abs(x) as x*x for scalar floating point modes.
4424 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
4427 * lambda-code.c (perfect_nestify): Don't copy statements
4428 in the inner loop: move them to the inner loop header.
4430 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4433 * c-tree.texi: Document OpenMP directives and clauses.
4435 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4437 * varasm.c (globalize_decl): Fix indentation.
4439 2006-05-29 Diego Novillo <dnovillo@redhat.com>
4442 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
4443 pass_fre, pass_store_ccp, pass_copy_prop,
4444 pass_store_copy_prop, pass_merge_phi, pass_nrv,
4445 pass_return_slot, pass_object_size, pass_lim,
4446 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
4447 pass_loop_prefetch and pass_stdarg.
4449 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
4451 * config/bfin/bfin.opt (mfdpic): New option.
4452 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
4453 (EXTRA_MULTILIB_PARTS): Likewise.
4454 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
4455 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
4457 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
4458 (CRT_CALL_STATIC_FUNCTION): New.
4459 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
4461 (CRT_CALL_STATIC_FUNCTION): New.
4462 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
4464 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
4465 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
4466 (initialize_trampoline): Changed to handle FD-PIC code generation.
4467 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
4468 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
4469 (override_options): Disallow -mid-shared-library -mfdpic combination.
4470 Can't do unaligned ops if FD-PIC.
4471 Turn off flag_pic if trying to generate non-id-shared-library
4472 non-fdpic code, since it's not supported.
4473 (bfin_assemble_integer): New function.
4474 (TARGET_ASM_INTEGER): Define.
4475 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
4477 * config/bfin/crtn.s: Restore them.
4478 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
4480 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
4481 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
4482 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
4483 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
4484 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
4486 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
4487 FDPIC_REGS and FDPIC_FPTR_REGS.
4488 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
4489 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
4490 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
4491 (load_funcdescsi): New pattern.
4492 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
4493 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
4494 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4496 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4498 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4501 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4503 * tree-flow.h: Remove the prototype for add_type_alias.
4504 * tree-ssa-alias.c (add_type_alias): Remove.
4506 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4508 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4509 config/fr30/fr30.md, config/i386/i386-interix.h,
4510 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4511 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4512 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4513 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4514 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4515 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4516 Follow spelling conventions.
4517 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4518 Follow spelling conventions.
4520 2006-05-27 Richard Guenther <rguenther@suse.de>
4523 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4524 to produce a constant of value 1 of generic type.
4526 2006-05-27 Dirk Mueller <dmueller@suse.de>
4528 * cgraphunit.c (decide_is_function_needed): Fix wrong
4531 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4533 PR rtl-optimization/27661
4534 * reload.c (find_reloads): When reloading a VOIDmode constant
4535 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4536 use Pmode as mode of the reload register.
4538 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4540 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4541 is enabled at -O and above.
4543 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4546 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4549 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4552 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4553 for anonymous variables explicitly declared by front ends.
4555 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4557 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4558 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4559 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4560 ref-all pointers, run a finalization pass for them.
4561 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4562 (finalize_ref_all_pointers): New function.
4563 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4564 regular pointer type to a ref-all pointer type.
4565 (get_tmt_for): Return the special memory tag for ref-all pointers.
4567 2006-05-25 Richard Guenther <rguenther@suse.de>
4570 * fold-const.c (fold_binary): Do not look at the stripped
4571 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4573 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4575 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4576 for LT and GT if the computed range is effectively empty.
4578 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4581 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4582 mips_quad_format formats instead of ieee_single_format,
4583 ieee_double_format and ieee_quad_format formats, respectively.
4585 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4587 PR tree-optimization/27639
4588 PR tree-optimization/26719
4589 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4590 call to scev_probably_wraps_p.
4591 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4592 used_in_pointer_arithmetic_p, convert_step): Removed.
4593 (nowrap_type_p): New function.
4594 (scev_probably_wraps_p): Rewritten.
4595 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4596 chrec_convert if chrec_convert_aggressive might have been used.
4597 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4598 scev_direction): New functions.
4599 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4600 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4601 instead of convert_step.
4602 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4603 (convert_step): Declaration removed.
4604 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4606 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4608 * df-core.c: Added to header comments.
4609 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4610 df_ur_bb_info, df_urec_bb_info): Added comments.
4611 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4612 urec, ri problems): Fixed header comments.
4613 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4614 code from df_rd_transfer_function.
4616 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4618 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4619 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4620 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4622 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4624 * expr.c (undefined_operand_subword_p): New.
4625 (emit_move_multi_word): Do not generate move from undefined bits
4626 of a paradoxical subreg.
4628 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4630 PR rtl-optimization/27736
4631 * combine.c (replaced_rhs_value): New variable.
4632 (combine_instructions): Set it.
4633 (distribute_notes): When distributing a note in replaced_rhs_insn,
4634 check whether the value was used in replaced_rhs_value.
4636 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4639 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4640 add_referenced_var instead of add_referenced_tmp_var.
4641 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4642 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4644 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4645 tree_optimize_tail_calls_1): Use add_referenced_var.
4646 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4647 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4648 Use add_referenced_var.
4649 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4650 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4651 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4652 Use add_referenced_var.
4653 * tree-dfa.c (struct walk_state): Remove.
4654 (find_referenced_vars): Remove walk state and vars_found hash table.
4655 (make_rename_temp): Use add_referenced_var.
4656 (find_vars_r): Pass less parameters to add_referenced_var.
4657 (referenced_var_p): New. Is var in referenced_var hash table.
4658 (referenced_var_insert): Assert var isn't already in hash table.
4659 (add_referenced_var): Don't need walk_state parameter. Add var if it
4660 isn't already in the hash table.
4661 (add_referenced_tmp_var): Remove.
4662 (find_new_referenced_vars_1): Use add_referenced_var.
4663 * tree-ssa-pre.c (create_expression_by_pieces,
4664 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4665 Use add_referenced_var.
4666 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4667 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4668 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4670 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4671 vect_create_data_ref_ptr, vect_create_destination_var,
4672 vect_init_vector, vect_build_loop_niters,
4673 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4674 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4675 Use add_referenced_var.
4676 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4677 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4678 (add_referenced_var): Add prototype.
4679 * tree-ssa-structalias.c (get_constraint_for,
4680 intra_create_variable_infos): Use add_referenced_var.
4682 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4684 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4685 big-endian paradoxical subregs.
4686 * var-tracking.c (struct micro_operation_def): Document that,
4687 for modify micro operations, insn is the subsequent instruction.
4688 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4689 (var_reg_set, var_mem_set): ... new functions.
4690 (add_stores): Record subsequent insn.
4691 (compute_bb_dataflow): Use new functions for MO_USE.
4692 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4693 notes after the insn, and modify notes before the insn known
4694 to be the subsequent one.
4695 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4697 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4700 * config/i386/i386.c (ix86_expand_builtin): Use
4701 gen_sse3_monitor64 for TARGET_64BIT.
4703 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4705 PR rtl-optimization/26375
4706 PR rtl-optimization/26855
4707 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4709 (df_ru_bb_local_compute): Reversed statements and removed bogus
4710 comment explaining why they should be in wrong order.
4711 (df_ru_dump, df_rd_dump): Enhanced debug info.
4712 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4714 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4715 reaching uses and fixed space problem.
4717 2006-05-23 Jan Hubicka <jh@suse.cz>
4719 * cgraphunit.c (decide_is_function_needed): Also nested functions
4720 and functions declared inline can be optimized out at -O0.
4722 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4724 * doc/install.texi (Configuration): Remove reference to CrossGCC
4728 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4731 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4732 ix86_compare_emitted is non-NULL.
4734 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4737 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4740 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4742 PR rtl-optimization/25514
4743 * combine.c (replaced_rhs_insn): New variable.
4744 (combine_instructions): Set replaced_rhs_insn when trying to replace
4745 a SET_SRC with a REG_EQUAL note.
4746 (distribute_notes): Use replaced_rhs_insn when determining the live
4747 range of a REG_DEAD register.
4749 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4750 Anatoly Sokolov <aesok@post.ru>
4752 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4753 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4754 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4755 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4756 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4757 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4758 at90usb647, at90usb1286 and at90usb1287 devices.
4759 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4760 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4762 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4764 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4766 2006-05-22 Richard Guenther <rguenther@suse.de>
4769 2006-01-31 Richard Guenther <rguenther@suse.de>
4770 Paolo Bonzini <bonzini@gnu.org>
4772 * doc/install.texi (--disable-libgcc-math): Document.
4774 2006-05-22 Richard Guenther <rguenther@suse.de>
4777 2006-01-31 Richard Guenther <rguenther@suse.de>
4779 * doc/invoke.texi (-msselibm): Document.
4780 * target.h (expand_library_builtin): New target hook.
4781 * builtins.c (expand_builtin): Use expand_library_builtin.
4782 (default_expand_library_builtin): New function.
4783 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4784 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4785 (link_gcc_math_spec): Declare.
4786 (static_specs): Add link_gcc_math_spec.
4787 * expr.h (default_expand_library_builtin): Declare.
4788 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4789 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4790 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4791 * config/i386/i386.opt (msselibm): New target option.
4792 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4793 (ix86_init_sse_abi_builtins): New function.
4794 (ix86_expand_library_builtin): Likewise.
4795 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4796 (override_options): Handle error conditions wrt -msselibm.
4797 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4798 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4799 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4802 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4805 * c-common.c (self_promoting_args_p): Skip erroneous args.
4808 * c-decl.c (finish_struct): Skip erroneous fields.
4810 2006-05-22 Nick Clifton <nickc@redhat.com>
4812 * config/cris/cris.opt (march): Remove VarExists attribute.
4813 (max-stackframe=): Likewise.
4815 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4817 * doc/rtl.texi: Fix a typo.
4818 * see.c: Fix comment typos.
4820 * tree-ssa-structalias.h (alias_info): Remove num_references.
4822 2006-05-21 Mike Stump <mrs@apple.com>
4824 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4826 (darwin_pragma_options): Use BAD instead.
4827 (darwin_pragma_unused): Likewise.
4828 (darwin_pragma_ms_struct): Likewise.
4830 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4832 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4834 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4836 PR rtl-optimization/27671
4837 * simplify-rtx.c (simplify_relational_operation_1): Fix
4838 simplifications of (eq/ne (xor x y) y) and
4839 (eq/ne (xor x y) x).
4841 PR tree-optimization/26622.
4842 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4845 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4847 * tree-cfg.c: Prune whitespace.
4848 (debug_tree_cfg): Point to correct header containing the
4851 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4854 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4856 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4859 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4860 or sorry count is non zero.
4862 2006-05-20 Andreas Schwab <schwab@suse.de>
4864 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4866 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4867 Kenneth Zadeck <zadeck@naturalbridge.com>
4869 PR rtl-optimization/26855
4871 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4873 (df_scan_alloc): Added code to properly handle multiword hard
4874 registers and add all_blocks parameter.
4875 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4876 code to properly handle multiword hard registers.
4877 (df_rescan_blocks): Added code to remove deleted blocks from
4879 (df_ref_create_structure, df_ref_record): Added code to properly
4881 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4882 and set DF_REF_PARTIAL.
4883 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4884 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4885 (df_scan_add_problem): Added flags parameter.
4886 (df_ref_create_structure): Changed switching structure.
4887 (df_bb_refs_record): Fixed case where duplicate artificial refs
4888 were created. Changed location of flags.
4889 (df_record_entry_block_defs): Added code to make stack pointer
4890 live in entry block. Refined cases where frame pointer is needed.
4891 Changed location of flags.
4892 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4893 (df_set_state): Removed function.
4894 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4895 df_insn_create_insn_record, df_insn_refs_delete,
4896 df_ref_create_structure): Formatting changes.
4897 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4898 df_delete_basic_block): New function.
4899 (df_init): Changed location of flags.
4900 (df_add_problem): Added flags parameter and the way flags are
4902 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4903 debug_df_chain): Improved debugging output.
4904 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4905 (df_refs_chain_dump): Removed df parameter.
4906 (df_iterative_dataflow): Added consistency check.
4907 (df_prune_to_subcfg): Made public.
4908 (df_analyze_problem): Added blocks_to_init parameter and made
4910 (df_ref_record, df_bb_refs_record, df_mark_reg,
4911 df_record_exit_block_uses): Whitespace changes.
4912 (df_dump): Whitespace changes.
4913 * df.h: Some reordering to remove forward references.
4914 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4915 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4916 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4917 (dataflow.flags): New field.
4918 (df.flag): Deleted field.
4919 (df_alloc_function): Added additional bitmap parameter.
4920 (df_dependent_problem_function): New type.
4921 (df_problem.changeable_flags): New field.
4922 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4923 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4924 (df_mw_hardreg): New struct.
4925 (DF_INSN_UID_MWS): New macro.
4926 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4928 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4929 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4930 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4931 (df_set_state): Removed function.
4932 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4933 * df-problems.c (df_chain_dump): Removed df parameter.
4934 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4935 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4937 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4938 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4939 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4940 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4941 DF_REF_MUST_CLOBBER cases.
4942 (df_ru_bb_local_compute_process_def,
4943 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4944 df_lr_bb_local_compute, df_ur_bb_local_compute,
4945 df_chain_create_bb): Made subreg aware.
4946 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4947 df_lr_bb_local_compute, df_lr_bb_local_compute,
4948 df_chain_create_bb): Cleanup to use proper macros.
4949 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4950 code to fixup bitvectors.
4951 (df_ri_alloc): Cleared lifetime.
4952 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4953 df_create_unused_note): New function.
4954 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4955 REG_DEAD and REG_UNUSED notes as well as register information.
4956 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4957 df_chains_dump): Fixed crash if problem was never run.
4958 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4959 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4960 df_ri_add_problem): Processes flags in uniform manner.
4961 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4962 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4963 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4964 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4965 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4966 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4967 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4968 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4969 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4970 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4971 * see.c (see_initialize_data): Ditto.
4972 * final.c (rest_of_clean_state) Added regstack_completed.
4973 * rtl.h (regstack_completed): Ditto.
4974 * reg-stack.c (regstack_completed): Ditto.
4976 2006-05-19 Mike Stump <mrs@apple.com>
4978 * c-tree.h (default_conversion): Remove.
4979 * c-common.h (default_conversion): Add.
4981 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4983 * tree-vrp.c (valid_value_p): New function.
4984 (adjust_range_with_scev): Fail if the value of bound is not
4987 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4989 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4990 (mips_fallback_frame_state): Use syscall numbers to determine
4991 the appropriate li instruction for the current ABI. Only use
4992 __NR_sigreturn for o32.
4994 2006-05-19 Nicolas Setton <setton@adacore.com>
4996 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4997 * langhooks.c (lhd_dwarf_name): New function.
4998 * langhooks-def.h (lhd_dwarf_name): Declare.
4999 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
5000 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
5001 * ada/misc.c (gnat_dwarf_name): New function.
5002 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
5004 2006-05-19 Richard Sandiford <richard@codesourcery.com>
5006 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
5008 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
5009 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
5010 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
5011 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
5012 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
5013 determine the size of Wtype, etc.
5014 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
5015 (swfloatfuncs): New variable.
5016 (dwfloatfuncs): Likewise.
5017 (lib2funcs): Remove floating-point conversion functions from
5018 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
5019 the set of conversion routines needed. Allow entries to specify
5020 an object name, filename and word size. Update users accordingly.
5021 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
5022 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
5026 2006-02-08 Roger Sayle <roger@eyesopen.com>
5029 * config/fixtfdi.c: New libgcc source file.
5030 * config/fixunstfdi.c: New source file.
5031 * config/floatditf.c: New source file.
5032 * config/floatunditf.c: New souce file.
5033 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
5034 files above instead of config/mips/_tilib.c.
5035 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
5037 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5039 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
5040 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
5042 2006-05-18 Mike Stump <mrs@apple.com>
5044 Fix up vla, vm and [*] sematics.
5050 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
5051 (c_vla_unspec_p): Add.
5052 (c_vla_type_p): Add.
5053 * c-decl.c (struct c_scope): Add had_vla_unspec.
5054 (build_array_declarator): Add support for [*].
5055 (grokdeclarator): Likewise.
5056 (grokparms): Likewise.
5057 (get_parm_info): Likewise.
5058 * c-objc-common.c (c_vla_unspec_p): Likewise.
5059 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
5060 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
5061 typeof when argument is a variably modified type not inside sizeof or alignof.
5062 (c_parser_direct_declarator_inner): Propagate errors.
5063 (c_parser_sizeof_expression): Add support for [*].
5064 (c_parser_parms_declarator): Initialize had_vla_unspec.
5065 (c_parser_parms_list_declarator): Likewise.
5066 * c-typeck.c (c_vla_type_p): Add.
5067 (composite_type): Add support for vla compositing.
5068 (comptypes_internal): Add support for vla compatibility.
5069 (c_expr_sizeof_expr): Evaluate vla arguments.
5070 * tree.c (variably_modified_type_p): Update comment for [*].
5072 2006-05-18 Michael Matz <matz@suse.de>
5075 * config.host: Make assignments to host_xmake_file cumulative.
5076 * config.host (*-darwin*): Test $host, not $target.
5078 2006-05-12 Stuart Hastings <stuart@apple.com>
5080 * config/i386/i386.opt (-mstackrealign): New flag.
5081 * config/i386/i386.c (force_align_arg_pointer): New attribute.
5082 (ix86_handle_cconv_attribute): Emit error when
5083 force_align_arg_pointer attribute collides with too many regparms.
5084 (ix86_function_regparm): Limit regparms when used with
5085 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
5086 Support stack-realigning prologue in non-main functions. Emit
5087 warning for nested functions under -mstackrealign, emit error for
5088 nested functions with force_align_arg_pointer attribute.
5089 * doc/extend.texi (force_align_arg_pointer): Document it.
5090 * doc/invoke.texi (-mstackrealign): Document it.
5092 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
5094 PR rtl-optimization/27477
5095 * combine.c (try_combine): Don't split a parallel consisting
5096 of two sets into two individual sets if both sets reference
5099 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
5101 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
5102 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
5104 * doc/options.texi (VarExists): Updated.
5106 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5108 * unwind-dw2.c: Add declarations for uw_update_context and
5110 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
5111 detected, advance frame state and context once to skip over stub.
5113 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5117 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
5118 Call rewrite_into_loop_closed_ssa only when something changed.
5119 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
5120 * lambda-code.c (can_convert_to_perfect_nest): Declared.
5121 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
5122 Test for perfect_nest_p here. Fix formating.
5123 (replace_uses_equiv_to_x_with_y): Fix formating.
5124 (stmt_uses_op): Removed.
5125 (can_convert_to_perfect_nest): Removed loopivs parameter.
5126 Complete the test by checking the scalar dependences.
5127 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
5130 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5133 From Dan Kegel <dank@kegel.com>:
5134 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
5136 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
5138 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
5139 if the element type is variably modified without recursing.
5141 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
5144 * tree-loop-linear.c (try_interchange_loops): Test for
5145 no data dependences.
5147 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
5149 PR tree-optimization/27548
5150 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
5151 range of ssa names that appear on abnormal edges.
5152 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
5153 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
5155 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
5158 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
5160 2006-05-17 Jakub Jelinek <jakub@redhat.com>
5163 * tree.h (OMP_PARALLEL_COMBINED): Define.
5164 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
5165 (new_omp_context): Add is_combined_parallel argument.
5166 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
5167 new_omp_context caller.
5168 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
5169 Adjust gimplify_scan_omp_clauses callers.
5170 (omp_is_private): Issue errors if iteration variable is firstprivate
5171 or reduction in the current context.
5172 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
5173 on combined parallel workshare constructs.
5175 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5177 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
5178 (gcc-options.o): New rule.
5180 * optc-gen.awk: Protect variables for gcc-options.o with
5181 #ifdef GCC_DRIVER/#endif.
5183 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
5185 Fix PR tree-optimization/27373
5186 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
5187 (forward_propagate_addr_expr): Update call.
5189 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5191 * doc/options.texi: Move the Negative option.
5193 2006-05-16 Richard Guenther <rguenther@suse.de>
5195 PR tree-optimization/22303
5196 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
5198 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
5199 ccp_fold did not simplify the statement.
5201 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
5204 * Makefile.in (GCC_OBJS): New.
5205 (OBJS-common): Add opts-common.o.
5206 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
5207 (cpp$(exeext)): Likewise.
5208 (gcc.o): Also depend on opts.h.
5209 (opts-common.o): New.
5211 * common.opt (gcoff): Add Negative(gdwarf-2).
5212 (gdwarf-2): Add Negative(gstabs).
5213 (gstabs): Add Negative(gstabs+).
5214 (gstabs+): Add Negative(gvms).
5215 (gvms): Add Negative(gxcoff).
5216 (gxcoff): Add Negative(gxcoff+).
5217 (gxcoff+): Add Negative(gcoff).
5218 * config/i386/i386.opt (m32): Add Negative(m64).
5219 (m64): Add Negative(m32).
5221 * doc/options.texi: Document the Negative option.
5223 * gcc.c: Include "opts.h".
5224 (main): Call prune_options after expandargv.
5226 * optc-gen.awk: Generate common declarations for all flag
5227 variables in options.c. Output the neg_index field.
5229 * opts.c (find_opt): Moved to ...
5230 * opts-common.c: Here. New file.
5232 * opts.h (cl_option): Add a neg_index field.
5234 (prune_options): Likewise.
5236 2006-05-16 Jakub Jelinek <jakub@redhat.com>
5239 * omp-low.c (expand_omp_parallel): Don't assert
5240 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
5241 instead search for it.
5244 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
5247 2006-05-16 Andreas Schwab <schwab@suse.de>
5249 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
5252 2006-05-15 Roger Sayle <roger@eyesopen.com>
5255 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
5256 integer constants other than zero are only legitimate on TARGET_64BIT.
5257 <CONST_VECTOR> Only zero vectors are legitimate.
5258 (ix86_cannot_force_const_mem): Integral and vector constants can
5259 always be put in the constant pool.
5261 2006-05-16 DJ Delorie <dj@redhat.com>
5263 * crtstuff.c (__dso_handle): Set section from
5264 TARGET_LBIGCC_SDATA_SECTION if defined.
5265 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
5266 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
5268 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
5271 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
5274 2006-05-16 Ben Elliston <bje@au.ibm.com>
5276 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
5278 2006-05-15 Per Bothner <per@bothner.com>
5280 * tree.c: (last_annotated_node): Use source_locus typedef.
5281 This permits bootstrapping with --enable-mapped-location.
5283 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
5285 PR tree-optimization/26830
5286 * tree-into-ssa.c (struct ssa_name_info): Add age field.
5287 (info_for_ssa_name, current_info_for_ssa_name_age,
5288 blocks_to_update): New variables.
5289 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
5290 (clear_ssa_name_info, initialize_flags_in_bb,
5291 mark_block_for_update): New functions.
5292 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
5293 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
5294 prepare_def_site_for): Use mark_block_for_update.
5295 (mark_def_interesting): Assert that the processed block is marked in
5296 blocks_to_update. Do not take blocks argument.
5297 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
5299 (rewrite_update_init_block, rewrite_update_stmt): Only process
5300 blocks with statements to rewrite.
5301 (delete_update_ssa): Do not clear SSA_NAME_AUX.
5302 (update_ssa): Initialize and free blocks_to_update. Do not
5303 clear flags on statements. Do not use blocks bitmap.
5304 * tree.h (SSA_NAME_AUX): Removed.
5305 (struct tree_ssa_name): Removed aux field.
5306 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
5308 2006-05-15 Richard Guenther <rguenther@suse.de>
5310 PR tree-optimization/27603
5311 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
5312 Do computations in original type.
5314 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
5316 * see.c: Code style changes such as redundant paranthesis,
5317 redundant intialization of local variables etc.
5318 (see_main): Declared now as static.
5319 * doc/invoke.texi: Update that -fsee is not enabled by
5322 2006-05-15 Jakub Jelinek <jakub@redhat.com>
5324 * omp-low.c (check_omp_nesting_restrictions): New function.
5325 (scan_omp_1): Call it.
5328 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
5329 construct, return *VAR.
5331 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
5333 PR rtl-optimization/27406
5334 * bt-load.c (migrate_btr_def): Skip the block having abnormal
5337 2006-05-14 Roger Sayle <roger@eyesopen.com>
5339 PR rtl-optimization/27538
5340 * combine.c (expand_compound_operation): Call gen_lowpart
5341 before calling simplify_shift_const.
5343 2006-05-14 Roger Sayle <roger@eyesopen.com>
5345 PR rtl-optimization/22563
5346 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
5347 a fixed width bitfield, always force the intermediates into psuedos.
5349 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
5352 * mkconfig.sh: Use operator = instead of == for test.
5354 2006-05-13 Nick Clifton <nickc@redhat.com>
5356 * dwarf2out.c (dbx_reg_number): Check return value from
5357 LEAF_REG_REMAP and only use it if it is valid.
5358 (multiple_reg_loc_descriptor): Likewise.
5360 2006-05-13 Richard Guenther <rguenther@suse.de>
5362 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
5365 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
5367 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
5368 information attached to non-INSNs such as NOTEs.
5369 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
5371 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
5373 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
5375 * config/s390/s390.md: Adjust comment describing On constraint.
5377 2006-05-11 Jan Hubicka <jh@suse.cz>
5379 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
5380 to be output at -O0.
5382 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5385 * fold-const.c (size_binop): Move sanity check for arguments to
5386 the beginning of the function.
5389 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
5392 2006-05-11 Richard Guenther <rguenther@suse.de>
5395 * fold-const.c (fold_unary): Handle intermediate conversion
5396 to a pointer type like intermediate conversion to an integer
5397 type in folding of (T1)(T2)var to var.
5398 Match the code to the comment in the final conversion for
5399 (T1)(T2)var to (T1)var regarding to type precision. Rather
5400 than disallow T1 being of pointer type, assert that both T1
5401 and var are of pointer type or not. Make sure not to fall
5402 over the frontends lazyness wrt array to pointer decay though.
5404 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
5406 * arm.c (arm_struct_value_rtx): Delete.
5407 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
5408 (arm_init_cumulative_args): Always initialize nregs to zero.
5410 2006-05-10 Richard Guenther <rguenther@suse.de>
5412 PR tree-optimization/27532
5413 * tree-object-size.c (plus_expr_object_size): Fix typo.
5415 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
5418 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
5419 ashrdi_const, ashrdi3): Use a scratch register.
5421 2006-05-10 Richard Guenther <rguenther@suse.de>
5423 PR tree-optimization/27302
5424 * fold-const.c (operand_equal_p): For two comparisons,
5425 try comparison of one comparison code swapped if that yields
5428 2006-05-10 Ben Elliston <bje@au.ibm.com>
5430 * tree-pretty-print.c (pretty_print_string): No need to handle
5431 '\0' as a special character.
5433 * tree.h: Include "hashtab.h".
5434 (iterative_hash_expr): Use hashval_t in its prototype.
5435 * Makefile.in (TREE_H): Add $(HASHTAB_H).
5437 2006-05-09 Steve Ellcey <sje@cup.hp.com>
5440 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
5441 (hppa*64*-*-hpux11*): Ditto.
5442 (hppa[12]*-*-hpux11*): Ditto.
5444 2006-05-09 David Edelsohn <edelsohn@gnu.org>
5447 * config/rs6000/aix41.h (TARGET_64BIT): Define.
5449 2006-05-09 Michael Matz <matz@suse.de>
5451 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
5452 host_extra_gcc_objs and host_xmake_file.
5453 (<*-*-linux*>): Don't overwrite host_xmake_file.
5454 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
5455 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
5456 (host_detect_local_cpu): Declare.
5457 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
5458 * config/i386/i386.c (override_options): Handle -mtune=native
5460 * config/i386/x-i386: New file.
5461 * config/i386/driver-i386.c: New file.
5462 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
5465 2006-05-09 Dirk Mueller <dmueller@suse.de>
5466 Richard Guenther <rguenther@suse.de>
5469 * fold-const.c (fold_read_from_constant_string): Relax check
5470 for matching types to matching modes.
5472 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
5474 PR rtl-optimization/27335
5475 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
5478 2006-05-08 Chao-ying Fu <fu@mips.com>
5479 Richard Sandiford <richard@codesourcery.com>
5481 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
5482 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
5483 * config/mips/mips.md (UNSPEC_SCC): New constant.
5484 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
5485 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
5486 (mips_emit_compare): Use it.
5487 (mips_expand_vcondv2sf): New function.
5489 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
5491 Fix PR tree-optimization/27093
5492 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
5493 renaming when they become not-used_alone.
5495 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5497 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5498 relocation and relocation stubs.
5500 2006-05-08 Eric Christopher <echristo@apple.com>
5502 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5505 2006-05-08 Jan Hubicka <jh@suse.cz>
5508 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5509 unused static functions are needed.
5511 2006-05-08 Roger Sayle <roger@eyesopen.com>
5514 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5515 of a reg_equiv_constant if the result is a legitimate constant.
5517 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5520 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5521 standard 80387 constants, raise the cost to prevent
5522 compress_float_constant() to generate load from memory.
5524 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5526 * config/arm/constraints.md (c): Fix a typo.
5528 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5531 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5534 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5536 (_mm_mwait): Likewise.
5538 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5540 (sse3_monitor): Make it 32bit only.
5541 (sse3_monitor64): New. 64bit monitor.
5543 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5546 * config/i386/i386.c (classify_argument): Skip fields with invalid
5549 2006-05-07 Richard Guenther <rguenther@suse.de>
5551 PR tree-optimization/27409
5552 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5553 Do not try to find zero-sized subvars.
5555 2006-05-07 Richard Guenther <rguenther@suse.de>
5557 PR tree-optimization/27136
5558 * tree-ssa-loop-niter.c (get_val_for): Correct function
5559 comment, assert requirements.
5560 (loop_niter_by_eval): Stop processing if the iterated
5561 value did not simplify.
5563 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5565 * opts.c (flag_see): remove its setting at -O3.
5567 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5569 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5570 * arm/constraints.md: New file.
5571 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5572 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5573 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5574 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5575 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5576 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5577 * arm.md: Include constraints.md.
5578 (thumb_movsi_insn): Use satisfies_constraint_J.
5579 (movhi, movqi): Use satisfies_constraint_I.
5581 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5583 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5584 for atmeg a645 device.
5586 2006-05-06 Richard Guenther <rguenther@suse.de>
5588 PR tree-optimization/27151
5589 * tree-vect-transform.c (vectorizable_condition): Punt on
5590 values that have a different type than the condition.
5592 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5595 * c-parser.c (c_parser_cast_expression): Only insert casts into
5596 hash table if pointer.
5597 * function.c (used_types_insert_helper): Rename from
5599 (used_types_insert): Call used_types_insert_helper.
5600 * function.h (used_types_insert): Accept only one argument.
5602 2006-05-05 David Edelsohn <edesohn@gnu.org>
5604 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5605 scratch with output modifier.
5607 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5610 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5611 with output modifier.
5613 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5616 * config/mips/mips.c (mips_symbolic_address_p): Return true
5617 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5618 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5620 2006-05-04 Richard Guenther <rguenther@suse.de>
5622 PR tree-optimization/14287
5623 PR tree-optimization/14844
5624 PR tree-optimization/19792
5625 PR tree-optimization/21608
5626 PR tree-optimization/27090
5627 * tree-ssa-pre.c (try_combine_conversion): New function.
5628 (compute_avail): After constructing the value-handle
5629 expression, use try_combine_conversion to combine NOP_EXPRs
5630 with previous value-handle expressions and use the result if it
5633 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5635 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5637 2006-05-04 Jan Hubicka <jh@suse.cz>
5640 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5642 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5644 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5645 that this only matches CONST_INTs. All users changed to VOIDmode
5648 * config/bfin/bfin.c: Include "optabs.h".
5649 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5651 (enum bfin_builtins): Add a number of fractional and vector builtins.
5652 (bfin_init_builtins): Likewise.
5653 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5654 (safe_vector_operand, bfin_expand_binop_builtin,
5655 bfin_expand_unop_builtin): New functions.
5656 (bfin_expand_builtin): Handle the new builtins.
5657 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5660 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5663 * Makefile.in (OBJS-common): Add see.o.
5664 (see.o): Add dependencies.
5665 * common.opt (fsee): New flag for the see optimization was added.
5666 * opts.c (flag_see): Initialized.
5667 * passes.c (init_optimization_passes, pass_see): New pass.
5668 * rtl.h (see_main): Declaration as extern.
5669 * timevar.def (TV_SEE): New.
5670 * tree-pass.h (pass_see): Declaration as extern.
5671 * invoke.texi (-fsee): Document.
5672 * recog.c (validate_simplify_insn): New function.
5673 * recog.h (validate_simplify_insn): Declaration as extern.
5674 * df-problems.c (df_chain_dump): Check for NULL.
5676 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5677 Daniel Berlin <dberlin@dberlin.org>
5679 * cfgrtl.c (insert_insn_bb_end_new): New function.
5680 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5682 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5684 * df.h (struct web_entry): Moved from web.c.
5685 (union_defs): Declaration as extern.
5686 (unionfind_root): Likewise.
5687 (unionfind_union): Likewise.
5688 * web.c (struct web_entry): Moved to df.h.
5689 (unionfind_root): Remove static declaration.
5690 (unionfind_union): Likewise.
5691 (union_defs): Likewise and generalize to use callback function.
5692 (web_main): Update arguments for union_defs function call.
5694 2006-05-04 Richard Guenther <rguenther@suse.de>
5696 PR tree-optimization/26447
5697 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5698 produce SSA_NAME copies before the store stmt to avoid
5699 breaking exception handling.
5701 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5704 * gimplify.c (omp_is_private): If var is shared in some outer context,
5705 return false instead of true. Stop searching on parallel context
5708 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5711 * coverage.c: Use get_gcov_unsigned_t() instead of
5712 unsigned_type_node all over.
5714 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5716 PR tree-optimization/27381
5717 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5718 maintain the same immediate_use links.
5719 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5720 node rather than segfaulting.
5722 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5725 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5726 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5727 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5729 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5731 Fix PR tree-optimization/26626
5732 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5734 * tree-ssa-operands.c (access_can_touch_variable): Allow
5735 typecasting through union pointers.
5737 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5740 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5741 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5742 to find if var will be a global variable even in the nested context.
5743 (omp_copy_decl): Only check for global variable at the end, it might
5744 be overridden in outer contexts.
5745 (scan_sharing_clauses): For global variables don't create a field.
5746 (lower_rec_input_clauses): Do nothing for global shared variables.
5747 Emit a barrier at the end of ILIST if there were any decls in both
5748 firstprivate and lastprivate clauses.
5749 (lower_send_clauses): Do nothing for global variables except for
5752 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5754 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5755 of the correct signedness is returned.
5757 2006-05-02 Jeff Law <law@redhat.com>
5759 PR tree-optimization/27364
5760 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5761 multiply expressions.
5763 2006-05-02 Tom Tromey <tromey@redhat.com>
5765 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5767 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5770 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5771 -mthumb -fPIC are used.
5773 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5774 Joshua Kinard <kumba@gentoo.org>
5777 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5778 with 64-bit pointers.
5780 2006-05-02 Paul Brook <paul@codesourcery.com>
5782 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5784 (create_fix_barrier): Check that a suitable barrier location is
5786 (arm_reorg): Include ftmp->address in allowable range of addresses.
5788 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5791 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5794 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5797 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5798 around RESULT_DECL for result passed by reference.
5799 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5800 * omp-low.c (use_pointer_for_field): Don't look at
5801 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5802 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5803 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5804 time or var for passing by reference for
5805 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5806 TREE_ADDRESSABLE variables when passing by reference.
5808 * omp-low.c (dump_omp_region): Fix output formatting.
5811 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5812 (expand_omp_parallel): Likewise.
5813 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5816 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5817 on statement list containing also constructors and destructors.
5818 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5821 * except.c (duplicate_eh_regions): Fix clearing of
5822 cfun->eh->region_array entries.
5824 2006-05-01 DJ Delorie <dj@redhat.com>
5826 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5828 (gcc_cv_objdump): Likewise.
5829 * configure: Regenerated.
5831 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5834 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5835 templates for case 3 and 4.
5837 2006-05-01 DJ Delorie <dj@redhat.com>
5839 * vec.c: Include bconfig.h when appropriate.
5840 * Makefile.in (build/vec.o): Adjust dependencies.
5841 * mkconfig.sh: Make sure config.h isn't used for build machine
5844 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5846 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5848 (mark_phi_for_rewrite): New function.
5849 (insert_phi_nodes_for, mark_use_interesting): Call
5850 mark_phi_for_rewrite.
5851 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5852 (update_ssa): Initialize and free phis_to_rewrite.
5854 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5856 PR rtl-optimization/27291
5857 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5858 folded to a constant.
5860 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5862 PR tree-optimization/27283
5863 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5864 not whole # of iteration descriptions.
5865 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5866 uses abnormal ssa name.
5867 (niter_for_single_dom_exit): Ditto.
5868 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5869 return just the number of iterations.
5871 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5873 PR tree-optimization/27144
5874 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5875 (record_estimate): Only record constant upper bound.
5876 (infer_loop_bounds_from_undefined): Call
5877 compute_estimated_nb_iterations just once.
5878 (proved_non_wrapping_p): Renamed to ...
5879 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5880 (convert_step_widening, scev_probably_wraps_p): Call
5881 n_of_executions_at_most instead of proved_non_wrapping_p.
5882 (substitute_in_loop_info): Do not replace values in bounds.
5883 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5886 2006-05-01 Richard Henderson <rth@redhat.com>
5889 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5890 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5893 2006-05-01 Roger Sayle <roger@eyesopen.com>
5895 * c-typeck.c (parser_build_binary_op): Don't call the function
5896 unsigned_conversion_warning to spot operand/result type overflow.
5897 (build_binary_op): Instead, call convert_and_check instead of
5898 convert to report the problem when the operands are promoted.
5899 * c-common.c (unsigned_conversion_warning): Make static.
5900 * c-common.h (unsigned_conversion_warning): Delete prototype.
5902 2006-05-01 Richard Guenther <rguenther@suse.de>
5904 PR tree-optimization/26726
5905 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5907 (find_interesting_uses_address): ... we work around here
5908 by folding INDIRECT_REFs in the substituted base.
5910 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5912 * omp-low.c (dump_omp_region): Add newlines.
5914 2006-04-30 Roger Sayle <roger@eyesopen.com>
5916 * common.opt (Woverflow): New command line option.
5917 * c-common.c (constant_expression_warning): Check warn_overflow.
5918 (overflow_waring): Pass OPT_Woverflow to warning.
5919 (unsigned_conversion_warning): Likewise.
5920 (convert_and_check): Likewise.
5921 * doc/invoke.texi: Document new command line option.
5923 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5925 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5926 TARGET_NO_FP_IN_TOC for section anchors.
5927 (optimization_options): Enable section anchors for all
5928 non-"Objective" languages.
5930 2006-04-28 Eric Christopher <echristo@apple.com>
5932 * config/darwin-c.c (darwin_ms_struct): Move this
5933 (darwin_set_default_type_attributes): and this...
5934 * config/darwin.c: ... here.
5935 * config/darwin.h (darwin_ms_struct): Declare.
5937 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5939 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5941 2006-04-28 Roger Sayle <roger@eyesopen.com>
5944 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5945 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5946 an unsigned HOST_WIDE_INT.
5947 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5949 (really_start_incremental_init): No need to call convert because
5950 bitsize_zero_node is already of type bitsizetype.
5951 (push_init_level): Extract the value of constructor_index as an
5952 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5953 (process_init_element): Likewise.
5955 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5957 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5958 value before passing to make_relative_prefix.
5960 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5963 * builtins.c (expand_builtin_memset): Expand val in original mode.
5965 2006-04-27 Eric Christopher <echristo@apple.com>
5967 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5968 with #ifndef/#endif.
5969 * config/darwin-c.c (darwin_ms_struct): New.
5970 (darwin_pragma_ms_struct): Ditto.
5971 (darwin_set_default_type_attributes): Ditto.
5972 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5973 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5974 Register ms_struct pragma.
5975 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5976 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5977 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5978 darwin_set_default_type_attributes if TARGET_MACHO.
5980 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5982 PR tree-optimization/26854
5983 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5984 * doc/tree-ssa.texi: Update immuse iterator documentation.
5985 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5986 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5987 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5988 first_safe_imm_use, next_safe_imm_use): Remove.
5989 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5990 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5991 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5992 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5993 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5994 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5995 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5996 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5997 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5998 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5999 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
6000 (perfect_nestify): Use new iterator.
6001 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
6003 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
6004 (next_imm_name): New field in struct immediate_use_iterator_d.
6005 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
6006 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
6007 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
6008 * tree-cfg.c (replace_uses_by): Use new iterator.
6009 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
6010 * tree-ssa-operands.c (correct_use_link): Remove.
6011 (finalize_ssa_use_ops): No longer call correct_use_link.
6013 2006-04-27 Stuart Hastings <stuart@apple.com>
6015 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
6016 * config/t-darwin (crt3.o): Use it.
6017 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
6018 'pmode', use Pmode instead of SImode for SYMBOL_REF.
6019 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
6020 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
6021 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
6024 2006-04-27 Roger Sayle <roger@eyesopen.com>
6026 * expmed.c (store_fixed_bit_field): If we're not optimizing for
6027 size, force the intermediate into a new pseudo rather instead of
6028 performing both a bitwise AND and a bitwise IOR in memory.
6030 2006-04-27 Richard Guenther <rguenther@suse.de>
6032 PR rtl-optimization/26685
6033 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
6034 this one "max-flow-memory-locations".
6036 2006-04-27 Richard Guenther <rguenther@suse.de>
6038 PR tree-optimization/25148
6039 * tree-vrp.c (compare_values): Remove code dealing with
6040 comparisons against type min/max value. Honour overflow
6041 and negative constants in code dealing with comparisons
6042 of plus and minus expressions.
6043 (value_inside_range): Use fold_binary with LE_EXPR and
6044 GE_EXPR rather than compare_values.
6046 2006-04-27 Dirk Mueller <dmueller@suse.de>
6048 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
6051 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
6053 * basic-block.h (safe_insert_insn_on_edge): Removed.
6054 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
6056 2006-04-26 David Edelsohn <edelsohn@gnu.org>
6057 Paolo Bonzini <bonzini@gnu.org>
6060 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
6061 (simplify_and_const_int): Same.
6063 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
6065 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
6067 2006-04-26 Jakub Jelinek <jakub@redhat.com>
6070 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
6071 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
6072 cgraph_global_info_ready.
6075 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
6078 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
6079 either decl or init is error_mark_node.
6082 * tree-flow.h (struct omp_region): Add sched_kind.
6083 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
6084 instead of extracting omp for data.
6085 (expand_omp_for): Save extracted sched_kind.
6087 2006-04-25 Roger Sayle <roger@eyesopen.com>
6089 * expmed.c (store_bit_field): Also check whether the bitsize is
6090 valid for the machine's "insv" instruction before moving the
6091 target into a pseudo for use with the insv.
6092 * config/i386/predicates.md (const8_operand): New predicate.
6093 * config/i386/i386.md (extv, extzv, insv): Use the new
6094 const8_operand predicate where appropriate.
6096 2006-04-25 DJ Delorie <dj@redhat.com>
6098 * doc/install.texi (Specific): Clarify that this is not a list of
6099 supported hosts or targets.
6101 2006-04-25 Richard Sandiford <richard@codesourcery.com>
6103 PR rtl-optimization/26725
6104 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
6105 block's BB_DIRTY flag.
6107 2006-04-25 Geoffrey Keating <geoffk@apple.com>
6109 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
6112 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
6113 to print an integer.
6115 2006-04-25 David Edelsohn <edelsohn@gnu.org>
6117 * varasm.c (align_variable): New function.
6118 (get_block_for_decl): Apply align_variable to DECL before
6119 calculating section information.
6120 (assemble_variable): Split out alignment computation.
6122 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
6124 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
6127 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
6129 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
6130 MODE_PARTIAL_INT mode.
6131 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
6132 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
6134 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
6135 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
6137 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
6139 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
6141 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
6142 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
6143 MACFLAG_IH): Likewise.
6144 (movstricthi_1): Renamed from "*movstricthi".
6145 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
6146 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
6147 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
6148 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
6149 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
6150 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
6151 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
6152 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
6153 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
6154 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
6155 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
6156 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
6157 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
6158 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
6159 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
6161 * doc/rtl.texi (ss_ashift): Improve wording.
6163 2006-04-24 Geoffrey Keating <geoffk@apple.com>
6165 * dwarf2out.c (verify_marks_clear): New.
6166 (prune_unused_types): Call verify_marks_clear initially, not
6169 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
6171 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
6172 * doc/rtl.texi: Document them.
6173 * simplify-rtx.c (simplify_unary_operation,
6174 simplify_binary_operation_1): Don't abort when we see them.
6176 2006-04-24 Mark Mitchell <mark@codesourcery.com>
6179 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6180 * configure.ac: Completely disregard languages that are not
6182 * configure: Regenerated.
6184 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6185 Richard Guenther <rguenther@suse.de>
6187 PR tree-optimization/27236
6188 * tree-inline.c (copy_body_r): Make sure to copy
6189 TREE_THIS_VOLATILE flag.
6191 2006-04-24 Richard Guenther <rguenther@suse.de>
6194 * tree-complex.c (update_parameter_components): Don't handle
6195 unused parameters which have no default def.
6197 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
6198 Richard Guenther <rguenther@suse.de>
6200 PR tree-optimization/27218
6201 * tree-inline.c (expand_call_inline): Strip useless type
6202 conversions for the return slot address.
6204 2006-04-24 Richard Guenther <rguenther@suse.de>
6206 * cfgloop.h (struct loops): Remove unused field array. Reorder
6208 (LOOP_PREFETCH): Remove.
6210 2006-04-24 Richard Guenther <rguenther@suse.de>
6212 PR tree-optimization/22525
6213 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
6214 variable, adjust types of generated expressions.
6216 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
6218 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
6219 (tree-vect-patterns.o): Likewise.
6221 (cselib.o): Likewise.
6222 (loop-doloop.o): Likewise.
6223 (regclass.o): Likewise.
6224 (reload1.o): Likewise.
6225 (explow.o): Replace target.h with $(TARGET_H).
6226 (ipa-prop.o): Likewise.
6227 (ipa-cp.o): Likewise.
6228 (ipa-inline.o): Likewise.
6229 (reorg.o): Likewise.
6230 (reg-stack.o): Likewise.
6232 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6234 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
6236 2006-04-23 Mark Mitchell <mark@codesourcery.com>
6238 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
6240 * configure.ac: Completely disregard languages that are not
6242 * configure: Regenerated.
6245 * c-common.h (c_build_bitfield_integer_type): Declare.
6246 * c-decl.c (c_build_bitfield_integer_type): Move to ...
6247 * c-common.c (c_build_bitfield_integer_type): ... here.
6249 2006-04-23 Roger Sayle <roger@eyesopen.com>
6252 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
6253 a SImode SUBREG of a floating point register after no_new_pseudos.
6255 2006-04-23 Roger Sayle <roger@eyesopen.com>
6257 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
6258 identify potentially eliminable registers to additionally catch
6259 VIRTUAL_INCOMING_ARGS_REGNUM.
6260 (addsi3): Update the conditions on when to use addsi_small_int.
6262 2006-04-23 Roger Sayle <roger@eyesopen.com>
6265 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
6266 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
6267 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
6269 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
6271 * fold-const.c (range_predecessor): Use operand_equal_p
6272 as the predicate for equality.
6273 (range_successor): Likewise.
6275 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6278 * config/soft-fp/op-common.h: Fix a typo.
6280 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
6283 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
6284 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
6286 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
6288 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
6290 * doc/tm.texi: Fix a typo.
6292 2006-04-21 Geoffrey Keating <geoffk@apple.com>
6294 * dwarf2out.c (struct die_struct): Document that die_sib makes
6295 a circular linked list.
6296 (FOR_EACH_CHILD): New.
6297 (reverse_die_lists): Delete.
6298 (reverse_all_dies): Delete.
6299 (add_dwarf_attr): Correct documentation.
6300 (remove_child_with_prev): New.
6301 (remove_child_TAG): Update for change to die_struct, use
6302 remove_child_with_prev.
6303 (add_child_die): Update for change to die_struct.
6304 (splice_child_die): Use remove_child_with_prev and add_child_die.
6305 (print_die): Use FOR_EACH_CHILD.
6306 (die_checksum): Likewise.
6307 (assign_symbol_names): Likewise.
6308 (output_location_lists): Likewise.
6309 (build_abbrev_table): Likewise.
6310 (calc_die_sizes): Likewise.
6311 (mark_dies): Likewise.
6312 (unmark_dies): Likewise.
6313 (unmark_all_dies): Likewise.
6314 (output_die): Likewise.
6315 (prune_unused_types_mark): Likewise.
6316 (prune_unused_types_walk): Likewise.
6317 (same_die_p): Update for change to die_struct.
6318 (break_out_includes): Likewise.
6319 (prune_unused_types_prune): Likewise.
6320 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
6321 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
6323 (dwarf2out_finish): Don't call reverse_all_dies.
6325 2006-04-21 Eric Christopher <echristo@apple.com>
6327 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
6328 in comments and function names.
6330 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6333 * c-typeck.c (digest_init): Robustify.
6335 * c-typeck.c (pop_init_level): Simplify.
6337 2006-04-21 Steve Ellcey <sje@cup.hp.com>
6339 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
6341 2006-04-21 Paul Brook <paul@codesourcery.com>
6343 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
6344 hardware floating point.
6346 2006-04-21 David Edelsohn <edelsohn@gnu.org>
6348 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
6351 2006-04-21 Nick Clifton <nickc@redhat.com>
6353 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
6356 2006-04-21 Alan Modra <amodra@bigpond.net.au>
6359 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
6360 C++ lang type in traceback table for Objective-C++.
6362 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
6364 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
6366 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
6368 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
6371 * tree-mudflap.c (mudflap_finish_file): Skip function when there
6372 were errors. Remove check for erroneous objects.
6374 2006-04-20 Jeff Law <law@redhat.com>
6376 PR tree-optimization/26854
6377 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
6378 checking for zero or one use.
6379 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
6380 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
6381 * tree-ssa-reassoc.c (negate_value): Similarly.
6382 (reassociate_bb): Similarly.
6384 2006-04-20 Jakub Jelinek <jakub@redhat.com>
6386 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
6387 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
6388 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
6390 2006-04-20 Alan Modra <amodra@bigpond.net.au>
6392 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
6393 fp regs if the last fp arg doesn't fit in regs.
6395 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
6398 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
6399 that the last insn has the REG_INC note.
6401 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
6402 Nathan Sidwell <nathan@codesourcery.com>
6405 * stor-layout.c (update_alignment_for_field): Do not align
6407 (place_union_field): Place union field at the start of the union.
6408 (place_field): Move ERROR_MARK check later, and use the current
6409 allocation position to maintain monotonicity.
6411 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
6413 * dominance.c: Include timevar.h.
6414 (calculate_dominance_info): Use TV_DOMINANCE.
6415 * timevar.def (TV_DOMINANCE): New timevar.
6416 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
6418 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6420 PR rtl-optimization/14261
6421 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
6422 move would be an INSV insn.
6423 (noce_process_if_block): Don't optimize if the destination is a
6424 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
6426 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
6428 * config/s390/s390.md: Add comments with the instructions emitted
6429 by an insn pattern if macros are used.
6431 2006-04-19 Alan Modra <amodra@bigpond.net.au>
6433 PR rtl-optimization/26026
6434 * fold-const.c (fold_binary): Optimize div and mod where the divisor
6435 is a known power of two shifted left a variable amount.
6437 2006-04-18 Geoffrey Keating <geoffk@apple.com>
6439 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
6440 to hash table twice when the debug_str section has SECTION_MERGE.
6442 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
6444 * config/soft-fp: New directory. From glibc.
6445 * config/soft-fp/t-softfp: New.
6446 * config/soft-fp/README: New.
6447 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
6448 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
6449 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
6450 (LIBGCC_DEPS): Add $(SFP_MACHINE).
6451 * config.gcc: Use rs6000/t-fprules-fpbit or
6452 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
6454 * config/rs6000/sfp-machine.h: New. Based on glibc.
6455 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
6457 * config/rs6000/t-fprules: Remove fp-bit rules.
6458 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
6459 * config/rs6000/t-linux64: Likewise. Remove duplicates from
6460 LIB2FUNCS_EXTRA. Remove fp-bit rules.
6461 (softfp_wrap_start, softfp_wrap_end): New.
6463 2006-04-18 DJ Delorie <dj@redhat.com>
6465 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
6467 2006-04-18 Devang Patel <dpatel@apple.com>
6469 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
6471 2006-04-18 Nick Clifton <nickc@redhat.com>
6473 * config/sh/t-symbian: Add rule to build sh-c.o
6474 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
6475 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
6476 (sh_symbian_encode_section_info): Likewise.
6478 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
6480 * builtins.c (expand_builtin_strcmp): Cover label definition of
6481 do_libcall with HAVE_cmpstrnsi.
6483 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
6485 * function.c (temp_slots_at_level, max_slot_level): Use VEC
6487 * function.h (temp_slot_p): New.
6488 (function): Change the type of x_used_temp_slots to
6489 VEC(temp_slot_p,gc) *.
6491 2006-04-18 Nick Clifton <nickc@redhat.com>
6493 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
6494 flag_strength_reduce.
6496 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6498 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6502 Partial revert of revision 112637
6503 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6504 Dale Johannesen <dalej@apple.com>
6507 * regclass.c (struct reg_pref): Update documentation.
6508 (regclass): Set prefclass to NO_REGS if memory is the best option.
6509 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6511 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6513 PR tree-optimization/26821
6514 * tree-ssa-math-opts.c (get_constant_one): New.
6515 (insert_reciprocals): Use it.
6517 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6519 * dwarf2out.c (free_AT): Delete.
6520 (remove_AT): Update string ref counts.
6521 (remove_child_TAG): Don't call free_die.
6523 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6524 or DW_TAG_GNU_EINCL.
6525 (prune_unused_types_walk_attribs): Reset string refcounts.
6526 (prune_unused_types_update_strings): New.
6527 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6528 call free_die. Do call prune_unused_types_update_strings.
6529 (prune_unused_types): Empty debug_str_hash.
6531 2006-04-17 Roger Sayle <roger@eyesopen.com>
6533 * expr.c (expand_assignment): Optimize away no-op moves where the
6534 source and destination are equal and have no side-effects.
6536 2006-04-17 Richard Guenther <rguenther@suse.de>
6539 * reload.c (push_reload): Guard calls to get_secondary_mem
6542 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6544 * alias.c (reg_base_value, old_reg_base_value): Change the
6545 type to VEC(rtx,gc) *.
6546 (REG_BASE_VALUE, find_base_value, record_set,
6547 init_alias_analysis): Use VEC instead of VARRAY.
6549 * alias.c (alias_sets): Change the type to
6550 VEC(alias_set_entry,gc) *.
6551 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6552 VEC instead of VARRAY.
6553 (last_alias_set): Remove.
6555 * cgraph.h (cgraph_edge_p): New.
6556 Update the prototype of cgraph_function_versioning.
6557 * cgraphunit.c (cgraph_copy_node_for_versioning,
6558 cgraph_function_versioning): Use VEC instead of VARRAY.
6559 * ipa-cp.c (ipcp_insert_stage): Likewise.
6561 2006-04-16 Roger Sayle <roger@eyesopen.com>
6564 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6565 "A op B" or "A op C", we may need to convert A to the type of B and C.
6567 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6569 * target.h (struct gcc_target): Add mode_rep_extended.
6570 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6571 (init_num_sign_bit_copies_in_rep): Initialize it using
6573 (truncate_to_mode): Use it.
6574 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6575 * targhooks.h (default_mode_rep_extended): Declare it.
6576 * targhooks.c (default_mode_rep_extended): Define it.
6577 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6578 default_mode_rep_extended.
6579 (TARGET_INITIALIZER): Include it.
6580 * doc/tm.texi (Misc): Document it.
6581 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6582 (mips_truncated_to_mode): New function.
6584 2006-04-16 Roger Sayle <roger@eyesopen.com>
6587 * expr.c (compress_float_constant): Copy the narrow constant into
6588 a new pseudo before extending it to its final width.
6590 2006-04-16 Roger Sayle <roger@eyesopen.com>
6591 Andrew Pinski <pinskia@gcc.gnu.org>
6592 Dale Johannesen <dalej@apple.com>
6595 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6596 special case code to implement V8HImode and V16QImode with SSE2.
6598 2006-04-15 Roger Sayle <roger@eyesopen.com>
6600 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6601 trees are constructed with a suitable tree type.
6603 2006-04-15 Roger Sayle <roger@eyesopen.com>
6605 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6606 (integer_onep): Likewise.
6607 (integer_all_onesp): Likewise.
6608 (integer_pow2p): Likewise.
6609 (integer_nonzerop): Likewise.
6610 (real_zerop): Likewise.
6611 (real_onep): Likewise.
6612 (real_twop): Likewise.
6613 (real_minus_onep): Likewise.
6614 (int_size_in_bytes): Likewise.
6615 (host_integerp): Likewise.
6617 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6619 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6620 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6621 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6623 * tree-ssa-structalias.h (alias_info): Remove num_references.
6625 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6627 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6628 (output_bvb patterns): Likewise.
6629 * pa.c (output_bb): Use 'bb' insn for long branch case.
6630 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6631 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6632 1. Correct length operand for alternatives 1 and 2.
6633 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6634 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6636 2006-04-14 Roger Sayle <roger@eyesopen.com>
6638 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6639 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6640 were accidentally reverted by r112959.
6642 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6645 * except.h (eh_region_outermost): New prototype.
6646 * except.c (eh_region_outermost): New function.
6647 * tree-cfg.c (find_outermost_region_in_block): Use it.
6649 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6651 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6653 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6654 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6655 (init_reload, reload): Use VEC instead of VARRAY.
6656 * reload.h: Update the prototype for
6657 reg_equiv_memory_loc_varray.
6659 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6660 Eric Botcazou <ebotcazou@libertysurf.fr>
6662 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6665 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6668 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6669 to expand fallback builtin function call.
6671 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6674 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6675 and emit libcall here in case the builtin fails.
6676 (expand_builtin_strcmp): Always emit the libcall here on failure.
6678 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6680 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6681 * flow.c (reg_n_info): Change the type to
6682 VEC(reg_info_p,heap) *.
6683 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6685 * regs.h (reg_info_p): New.
6686 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6687 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6688 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6691 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6693 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6695 * params.h (MAX_SCHED_READY_INSNS): New macro.
6696 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6697 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6698 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6699 the ready list for 1 cycle during the first scheduling pass.
6700 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6702 2006-04-13 Richard Henderson <rth@redhat.com>
6705 * gimple-low.c (lower_omp_directive): Remove dead code.
6706 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6707 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6708 * omp-low.c (struct omp_region): Move to tree-flow.h.
6709 (root_omp_region): Export.
6710 (omp_regions, lookup_omp_region): Remove.
6711 (determine_parallel_type): Update for struct omp_region changes.
6712 (dump_omp_region): Dump regions with block numbers.
6713 (new_omp_region): Take type and block instead of stmt; malloc
6715 (free_omp_region_1, free_omp_regions): New.
6716 (expand_parallel_call): Take entry_stmt as argument; update for
6717 changes to omp_region.
6718 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6719 (remove_exit_barriers): New.
6720 (expand_omp_parallel): Update for struct omp_region changes.
6721 (expand_omp_synch): Likewise.
6722 (expand_omp): Likewise.
6723 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6724 (expand_omp_for_static_chunk): Likewise.
6725 (expand_omp_for): Likewise.
6726 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6727 (expand_omp_sections): Similarly, with GOMP_sections_end.
6728 (expand_omp_single): New.
6729 (build_omp_regions_1): Update for OMP_CONTINUE.
6730 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6731 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6732 OMP_SECTIONS_SECTIONS.
6733 (lower_omp_single_simple): Don't emit barrier here.
6734 (lower_omp_single_copy): Likewise.
6735 (lower_omp_single): Fix bindings, and lower to straightline now.
6736 (lower_omp_master, lower_omp_ordered): Likewise.
6737 (lower_omp_critical): Likewise.
6738 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6739 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6740 omp edges, free it afterward.
6741 (make_omp_sections_edges): Remove.
6742 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6743 (move_stmt_r): Handle OMP_CONTINUE.
6744 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6745 statement pointers to basic blocks. Add type member.
6746 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6747 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6748 * tree-inline.c (estimate_num_insns_1): Likewise.
6749 * tree-pretty-print.c (dump_generic_node): Likewise.
6750 * tree-ssa-operands.c (get_expr_operands): Likewise.
6751 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6752 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6753 (OMP_CONTINUE): New.
6754 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6755 (OMP_SECTIONS_SECTIONS): Remove.
6756 (OMP_SECTION_LAST): New.
6757 (OMP_RETURN_NOWAIT): New.
6759 2006-04-13 Roger Sayle <roger@eyesopen.com>
6761 * fold-const.c (native_encode_vector, native_interpret_real):
6762 Correct obvious mistakes in the previous check-in.
6764 2006-04-13 Roger Sayle <roger@eyesopen.com>
6766 * fold-const.c (native_encode_expr): New function to encode
6767 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6768 or VECTOR_CST into a specified buffer.
6769 (native_encode_int): New function.
6770 (native_encode_real): New function.
6771 (native_encode_complex): New function.
6772 (native_encode_vector): New function.
6773 (native_interpret_expr): Inverse of native_encode_expr to convert
6774 a target representation into an INTEGER_CST, REAL_CST etc...
6775 (native_interpret_int): New function.
6776 (native_interpret_real): New function.
6777 (native_interpret_complex): New function.
6778 (native_interpret_vector): New function.
6779 (fold_view_convert_expr): New function to constant fold/evaluate
6780 a VIEW_CONVERT_EXPR of a suitable constant expression.
6781 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6782 Change call of build1 to fold_build1 when constructing a
6785 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6786 Ulrich Weigand <uweigand@de.ibm.com>
6789 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6792 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6795 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6796 optimize to lo_sum for DFmode if !TARGET_FPRS.
6798 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6800 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6801 delete_alias_info, compute_flow_sensitive_aliasing,
6802 group_aliases): Use VEC instead of VARRAY.
6803 * tree-ssa-structalias.c (update_alias_info): Likewise.
6804 * tree-ssa-structalias.h (alias_info): Change the type of
6805 processed_ptrs to VEC(tree,heap) *.
6807 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6810 * config/sh/lib1funcs.h: New file, broken out of:
6811 * config/sh/lib1funcs.asm.
6812 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6814 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6815 * config/sh/lib1funcs-Os-4-200.asm: New file.
6816 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6817 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6818 (EXTRA_MULTILIB_PARTS): Include it.
6819 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6820 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6821 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6822 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6825 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6827 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6828 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6829 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6831 * tree-ssa-live.h: Include vecprim.h.
6832 (tree_partition_associator_d): Change the type of
6833 first_partition to VEC(int,heap) *.
6834 (tpa_first_partition): Use VEC instead of VARRAY.
6836 * Makefile.in (GTFILES): Move functions.h after tree.h.
6837 * function.c (reset_block_changes, record_block_change,
6838 check_block_change, free_block_changes): Use VEC instead of
6840 * function.h (function): Change the type of
6841 ib_boundaries_block to VEC(tree,gc) *.
6842 * tree-inline.c (copy_cfg_body): Initialize
6843 ib_boundaries_block to NULL instead of (varray_type) 0.
6845 2006-04-12 Roger Sayle <roger@eyesopen.com>
6847 * expr.c (emit_group_store): Correct operand order in call to
6848 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6849 a SUBREG_BYTE of zero.
6851 2006-04-12 Richard Guenther <rguenther@suse.de>
6853 * profile.c (compute_branch_probabilities): Remove code
6854 encapsulated in !ir_type (), which are remanents of the
6855 removed RTL profiling code.
6856 * rtl-profile.c: Remove.
6858 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6860 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6861 magic NULL_RTX comment.
6862 (function_arg): Store entire fp arg to mem if any part should go
6864 (rs6000_arg_partial_bytes): Adjust for above change.
6866 2006-04-11 Roger Sayle <roger@eyesopen.com>
6868 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6869 if it hasn't been initialized by dwarf2out_init.
6871 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6873 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6874 symbolic constants in branch patterns.
6876 2006-04-11 Roger Sayle <roger@eyesopen.com>
6878 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6880 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6882 PR rtl-optimization/27073
6883 * gcse.c (try_replace_reg): Revert last change. Continue to search
6884 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6887 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6889 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6890 aggregate types other than record and union types.
6891 (function_arg): Likewise.
6892 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6894 (function_value): In 64-bit mode, return objects that require it
6897 2006-04-11 Roger Sayle <roger@eyesopen.com>
6899 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6901 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6903 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6905 2006-04-03 Jeff Law <law@redhat.com>
6908 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6909 alias information too.
6911 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6913 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6915 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6918 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6919 (premark_used_types_helper): New.
6920 (premark_used_types): New.
6921 (gen_subprogram_die): Call premark_used_types.
6922 (prune_unused_types_walk): Do not prune perennial dies.
6923 * function.c (used_types_insert): New.
6924 * function.h (struct function): Add used_types_hash field.
6925 (used_types_insert): Add prototype.
6926 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6927 * c-parser.c (c_parser_cast_expression): Save casted types in used
6930 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6933 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6934 rs6000_explicit_options.float_gprs.
6936 2006-04-10 Roger Sayle <roger@eyesopen.com>
6938 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6939 from ix86_expand_vector_init_low_nonzero. Take an additional
6940 one_var argument indicating which element is non-zero. Support
6941 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6942 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6943 with one_var instead of ix86_expand_vector_init_low_nonzero.
6945 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6947 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6948 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6949 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6950 build/genextract.o): Depend on vecprim.h.
6951 * cfglayout.c, df-problems.c, function.c, genextract.c,
6952 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6953 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6957 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6959 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6960 Declare VECs of this type.
6961 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6962 (remove_children): Delete.
6963 (add_dwarf_attr): Use VEC routines.
6964 (add_AT_flag): Update for changes to add_dwarf_attr.
6965 (add_AT_int): Likewise.
6966 (add_AT_unsigned): Likewise.
6967 (add_AT_long_long): Likewise.
6968 (add_AT_vec): Likewise.
6969 (add_AT_string): Likewise.
6970 (add_AT_die_ref): Likewise.
6971 (add_AT_fde_ref): Likewise.
6972 (add_AT_loc): Likewise.
6973 (add_AT_loc_list): Likewise.
6974 (add_AT_addr): Likewise.
6975 (add_AT_lbl_id): Likewise.
6976 (add_AT_lineptr): Likewise.
6977 (add_AT_macptr): Likewise.
6978 (add_AT_offset): Likewise.
6979 (add_AT_range_list): Likewise.
6980 (get_AT): Use VEC_iterate.
6981 (remove_AT): Use VEC_ordered_remove.
6982 (free_die): Fold remove_children into here; have it use VEC_iterate.
6983 (print_die): Use VEC_iterate on attrs.
6984 (reverse_die_lists): Don't reverse attr lists.
6985 (die_checksum): Use VEC_iterate on attrs.
6986 (same_die_p): Likewise.
6987 (output_location_lists): Likewise.
6988 (build_abbrev_table): Likewise.
6989 (size_of_die): Likewise.
6990 (unmark_all_dies): Likewise.
6991 (output_abbrev_section): Likewise.
6992 (output_die): Likewise.
6993 (prune_unused_types_walk_attribs): Likewise.
6995 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6997 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6999 2006-04-10 Jakub Jelinek <jakub@redhat.com>
7002 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
7004 2006-04-09 Roger Sayle <roger@eyesopen.com>
7006 * expr.c (store_constructor): Don't bother clearing target if
7007 we're about to assign a vector to it using vec_init_optab.
7009 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
7011 * tree-ssa-alias.c (lhs_may_store_to): New function.
7012 (recalculate_used_alone): Handle LHS of calls.
7014 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
7018 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
7019 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
7020 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
7021 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
7022 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
7023 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
7024 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
7025 stubs. Add ".align 8" directives before all ".dword" directives.
7026 (GTHREAD_USE_WEAK): Revise comment.
7027 (TARGET_ATTRIBUTE_WEAK): Define.
7028 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
7029 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
7030 * stublib.c: New file.
7035 * pa.md (cbranch patterns): Revise arguments used in calls to
7036 output_cbranch, output_bb and output_bvd. Add long branch length
7038 (fbranch patterns): Handle long branches.
7039 (jump): Revise length check. Revise arguments for output_lbranch call.
7040 Add long branch length attributes.
7041 (decrement_and_branch_until_zero): Add long branch length attributes.
7042 (output_movb, output_parallel_addb and output_parallel_movb patterns):
7043 Likewise. Revise arguments for output_parallel_addb and
7044 output_parallel_movb calls.
7045 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
7046 output_parallel_movb and output_parallel_addb): Update prototypes.
7047 * pa.c (output_cbranch): Revise arguments. Correct handling of
7048 nullification in long branches.
7049 (output_lbranch): Add new argument to control extraction of delay
7051 (output_bb): Handle long branches.
7052 (output_bvb, output_dbra, output_movb, output_parallel_movb,
7053 output_parallel_addb): Likewise.
7055 2006-04-09 Richard Sandiford <richard@codesourcery.com>
7057 PR rtl-optimization/27073
7058 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
7061 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
7063 * tree.h (tree_memory_tag): Add old_used_alone.
7064 (SMT_OLD_USED_ALONE): New macro.
7065 * tree-ssa-alias.c (recalculate_used_alone): Stop
7066 marking things for renaming unnecessarily.
7068 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
7070 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
7071 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
7072 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
7073 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
7074 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
7075 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
7076 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
7077 spelling convensions.
7078 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
7079 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
7080 typos. Follow spelling conventions.
7082 2006-04-07 DJ Delorie <dj@redhat.com>
7084 * config/m32c/m32c.c (m32c_function_arg): Structures are always
7085 passed on the stack.
7086 (m32c_init_cumulative_args): When a function returns a structure,
7087 always pass the pointer to that return area on the stack.
7088 (m32c_function_arg_advance): Don't increment the parameter number
7089 if we're processing the returned structure pointer.
7090 (pushm_info): Reverse order of registers.
7092 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
7094 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
7095 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
7096 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
7097 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
7099 * tree-chrec.c (chrec_fold_multiply_poly_poly,
7100 chrec_fold_multiply): Same.
7101 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
7102 force_expr_to_var_cost): Same.
7103 * tree-mudflap.c (mf_xform_derefs_1): Same.
7104 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
7106 2006-04-07 David Edelsohn <edelsohn@gnu.org>
7108 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
7109 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
7112 2006-04-07 Jan Hubicka <jh@suse.cz>
7114 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
7116 2006-04-07 Richard Guenther <rguenther@suse.de>
7118 PR tree-optimization/26135
7119 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
7120 loads for store copy-prop.
7121 (copy_prop_visit_stmt): Likewise.
7123 2006-04-05 Robert Millan <robertmh@gnu.org>
7125 * config/i386/linux.h: Add a comment to mark macros that are
7126 being overriden in config/k*bsd-gnu.h.
7127 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
7129 * config/knetbsd-gnu.h: Ditto.
7131 2006-04-06 Jan Hubicka <jh@suse.cz>
7135 * coverage.c (coverage_checksum_string): Reorganize loop to not read
7138 2006-04-06 Mike Stump <mrs@apple.com>
7140 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
7141 for HAVE_nonlocal_goto to be consistent.
7142 (expand_builtin_nonlocal_goto): Likewise.
7143 (expand_builtin_strcmp): Use #ifdef instead of #if
7144 for HAVE_cmpstrnsi to be consistent.
7146 2006-04-05 DJ Delorie <dj@redhat.com>
7148 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
7151 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
7153 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
7154 got-relative addressing for anything but SImode.
7156 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
7157 even if the calling function doesn't modify them.
7159 2006-04-05 Richard Guenther <rguenther@suse.de>
7161 PR tree-optimization/26919
7162 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
7163 to cgraph_estimate_size_after_inlining.
7165 2006-04-05 Alan Modra <amodra@bigpond.net.au>
7167 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
7169 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
7171 PR tree-optimization/26996
7172 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
7173 VECTOR_TYPE variables.
7175 2006-04-05 Richard Guenther <rguenther@suse.de>
7177 PR tree-optimization/26763
7178 * fold-const.c (fold_comparison): Move folding of
7179 PTR + CST CMP PTR + CST ...
7180 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
7182 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
7184 * doc/install.texi (Prerequisites): Refine some wording on
7185 bootstrapping and ksh.
7186 Move the version numbers of DejaGnu here from the testing section
7187 and fix casing of names.
7188 Fix markup and clarify wording for autogen requirements.
7189 Refer to GCJ instead of just java.
7190 Refer to SVN instead of CVS.
7191 Describe diffutils as useful instead of necessary.
7192 (Downloading the source): Refer to SVN instead of CVS.
7193 Adjust a link to our web site accordingly.
7194 (Configuration): Fix casing of Bison.
7195 (Building): Refer to SVN instead of CVS.
7196 Fix a sentence on the use of Bison and remove duplicate (and
7197 incorrect) version number of Bison requirement.
7198 Remove one redundant list of packages needed for building.
7199 (Specific): Avoid reference to CVS.
7201 2006-04-04 Eric Christopher <echristo@apple.com>
7203 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
7204 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
7205 (rs6000_handle_struct_attribute): New.
7206 (rs6000_ms_bitfield_layout_p): Ditto.
7208 2006-04-04 Geoffrey Keating <geoffk@apple.com>
7210 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
7211 NULL for dso parameter to atexit_common.
7213 2006-04-04 Eric Christopher <echristo@apple.com>
7215 * config/i386/i386.c (machopic_output_stub): Output \t
7216 between instructions and operands.
7218 2006-04-04 David Edelsohn <edelsohn@gnu.org>
7220 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
7221 satisfies_constraint_[IL] to explicit tests on value.
7223 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
7225 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7226 set_nb_iterations_in_loop): Use build_int_cst instead of
7228 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
7229 build_int_cst instead of convert.
7231 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
7233 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
7234 new value 2 for incoming.
7235 * function.c (expand_function_start): Call struct_value_rtx
7237 * config/sparc/sparc.md: Comment updated_return.
7238 * config/sparc/sparc.opt: Add -mstd-struct-return option.
7239 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
7240 struct return if sparc_std_struct_return and incoming is 2.
7241 (print_operand): Do not adjust return if
7242 sparc_std_struct_return.
7244 2006-04-04 Roger Sayle <roger@eyesopen.com>
7246 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
7247 convert in the middle-end.
7248 * expr.c (store_expr, store_constructor, get_inner_reference,
7249 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
7251 * tree.c (build_range_type): Likewise.
7253 2006-04-04 Tom Tromey <tromey@redhat.com>
7255 * doc/install.texi (Prerequisites): Mention jar.
7257 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
7259 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
7262 2006-04-04 Matthias Klose <doko@debian.org>
7264 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
7268 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
7271 2006-04-03 Geoffrey Keating <geoffk@apple.com>
7273 * doc/extend.texi (Function Attributes): Rewrite visibility
7274 attribute documentation.
7275 * doc/invoke.texi (C++ Dialect Options): Rewrite
7276 -fvisibility-inlines-hidden documentation to describe something
7277 entirely different, although in practise compatible.
7278 (Code Gen Options): Warn about system headers in -fvisibility=
7281 * doc/extend.texi (Other Builtins): Document that
7282 __builtin_nan is a compile-time constant only when its argument
7285 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
7287 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
7288 trying to remove TRUNCATE check if all bits outside the new mode
7289 are identical to the sign bit.
7291 2006-04-03 Jeff Law <law@redhat.com>
7293 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
7294 and operand scanning in some common cases.
7296 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
7297 Dale Johannesen <dalej@apple.com>
7300 * regclass.c (struct reg_pref): Update documentation.
7301 (regclass): Set prefclass to NO_REGS if memory is the best option.
7302 (record_reg_classes): Cope with a prefclass set to NO_REGS.
7303 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
7304 into account. For non-registers, equate an empty preferred
7305 reload class to a `!' in the constraint; move the if clause to
7306 do so after those that reject the insn.
7307 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
7309 (find_dummy_reload): Likewise.
7310 * doc/tm.texi (Register Classes): Document what it means
7311 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
7312 * config/i386/i386.c (ix86_preferred_reload_class): Force
7313 using SSE registers (and return NO_REGS for floating-point
7314 constants) if math is done with SSE.
7315 (ix86_preferred_output_reload_class): New.
7316 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
7317 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
7318 * config/i386/i386.md: Remove # register preferences.
7320 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7323 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
7324 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
7325 the type of nb_iter.
7326 (instantiate_parameters_1): Convert the operands before calling
7327 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
7328 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
7330 2006-04-02 Roger Sayle <roger@eyesopen.com>
7332 * builtins.c (dummy_object): Use build_int_cst instead of convert.
7333 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
7335 * dojump.c (do_jump): Likewise.
7336 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
7337 * gimplify.c (gimple_boolify, gimplify_init_constructor,
7338 gimplify_boolean_expr): Likewise.
7339 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
7340 * varasm.c (array_size_for_constructor): Likewise.
7341 * tree-object-size.c (compute_object_offset): Likewise.
7343 2006-04-02 Roger Sayle <roger@eyesopen.com>
7346 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
7347 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
7349 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7351 PR tree-optimization/26939
7352 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
7354 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7356 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
7357 at_stmt. Convert the type of operands before calling
7358 build_polynomial_chrec.
7359 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
7361 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
7362 (instantiate_parameters_1): Convert the type of operands before calling
7363 build_polynomial_chrec.
7364 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
7365 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
7366 reset_evolution_in_loop): Insert asserts to check the types of the
7368 (chrec_type): Moved...
7369 (eq_evolutions_p): Use operand_equal_p.
7370 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
7371 the types of the operands.
7372 (chrec_type): ...here.
7373 * tree-data-ref.c (create_data_ref): Convert the operands before
7374 calling chrec_replace_initial_condition.
7375 (same_access_functions, analyze_subscript_affine_affine,
7376 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
7377 (compute_subscript_distance, analyze_ziv_subscript,
7378 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
7379 analyze_miv_subscript): Convert the operands before calling
7380 chrec_fold_minus or chrec_fold_plus.
7382 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
7384 * tree-data-ref.c (compute_all_dependences): Use a pointer to
7385 the dependence_relations vector.
7386 (compute_data_dependences_for_loop): Adjust call to
7387 compute_all_dependences.
7389 2006-04-01 Roger Sayle <roger@eyesopen.com>
7390 Richard Henderson <rth@redhat.com>
7392 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
7393 gimple_boolify on the condition before calling gimplify_expr.
7395 2006-03-31 Bob Wilson <bob.wilson@acm.org>
7397 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
7398 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
7399 the frame size. Update to use the new macros.
7400 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
7401 * config/xtensa/ieee754-df.S: Likewise.
7403 2006-03-31 Richard Henderson <rth@redhat.com>
7405 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
7406 (make_edges): ... here. Control fallthru creation with a local
7407 variable. Do not play with fake edges.
7408 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
7409 (make_goto_expr_edges): Don't play with fake edges. Make for_call
7412 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
7414 * dwarf2.h (DW64_CIE_ID): Define.
7415 * dwarf2out.c (DWARF_CIE_ID): Define.
7416 (output_call_frame_info): Output 0xffffffff before standard 8-byte
7417 length header. Use DWARF_CIE_ID.
7418 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
7419 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
7421 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
7423 * config/sh/linux-atomic.asm: New file.
7424 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
7426 2006-03-31 DJ Delorie <dj@redhat.com>
7428 * config/m32c/cond.md: Set condition flags properly throughout.
7429 * config/m32c/minmax.md: Likewise.
7430 * config/m32c/prologue.md: Likewise.
7431 * config/m32c/bitops.md: Likewise.
7432 * config/m32c/muldiv.md: Likewise.
7433 * config/m32c/mov.md: Likewise.
7434 * config/m32c/addsub.md: Likewise.
7435 * config/m32c/m32c.md: Likewise.
7436 * config/m32c/jump.md: Likewise.
7437 * config/m32c/shift.md: Likewise.
7439 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
7440 conditionally output the pattern for this.
7441 * config/m32c/m32c.c (flags_needed_for_conditional): New.
7442 (m32c_compare_redundant): New.
7443 (m32c_output_compare): New.
7444 * config/m32c/m32c-protos.h (m32c_output_compare): New.
7446 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
7447 dest, not src. Allow other 4-byte modes.
7449 2006-03-30 Denis Chertykov <denisc@overta.ru>
7451 * doc/md.texi: Refer to avr/constraints.md instead of
7454 2006-03-30 Roger Sayle <roger@eyesopen.com>
7456 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
7457 signed vs. unsigned comparison failures on some hosts.
7459 2006-03-31 Alan Modra <amodra@bigpond.net.au>
7462 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
7463 change to FLOAT_REGS.
7465 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
7466 (rs6000_override_options): Use it.
7467 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
7468 only for -mabi=spe/no-spe and -mabi=altivec.
7470 2006-03-30 Geoffrey Keating <geoffk@apple.com>
7472 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
7475 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
7477 * Makefile.in: Rename docdir to gcc_docdir.
7479 2006-03-30 Roger Sayle <roger@eyesopen.com>
7482 * expr.c (emit_group_store): Optimize group stores into a pseudo
7483 register by using a paradoxical subreg to initialize the destination
7484 if the first or last member of the group specifies a "low part".
7486 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7489 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
7490 * target.h (struct gcc_target.speculate_insn): Change type of the
7491 second parameter to 'int'.
7492 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
7493 the second operand of the DEPS_LIST.
7494 (copy_DEPS_LIST_list): Update reference to the second operand of the
7496 * rtl.h (alloc_DEPS_LIST): Update signature.
7497 * sched-int.h (ds_t): Change typedef to 'int'.
7498 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7500 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7502 * haifa-sched.c (try_ready): Change condition to restore
7503 non-speculative pattern of the instruction.
7504 (process_insn_depend_be_in_spec): Code to keep probability of the
7505 speculative dependence non-decreasing.
7507 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7509 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7510 (single_move_for_movmem): ... this. Also change all uses.
7511 (bfin_expand_strmov): Renamed to...
7512 (bfin_expand_movmem): ... this. Also change all uses.
7513 * config/bfin/bfin.md (movstrsi): Renamed to...
7514 (movstrsi): ...this.
7516 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7518 PR tree-optimization/26830
7520 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7521 (copy_prop_visit_stmt): Remove write-only variable ann.
7522 (init_copy_prop): Check variable loop depth here. Do not simulate
7523 memory-tag and virtual operand PHIs except for store copy prop.
7525 2006-03-30 Richard Guenther <rguenther@suse.de>
7527 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7528 variants with double arguments.
7530 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7532 * genpreds.c (write_tm_constrs_h): Delete variable p.
7533 * genconditions.c (write_header): Add tm-constrs.h to included
7535 * genpeep.c (main): Add toplev.h to included headers.
7536 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7537 (build/genpeep.o): Add toplev.h dependency.
7538 * config/rs6000/constraints.md: Add "W" constraint.
7540 2006-03-29 Roger Sayle <roger@eyesopen.com>
7542 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7543 sizes by correctly testing whether the size fits a host integer.
7544 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7545 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7546 SImode range for the default sizetype and bitsizetype.
7548 2006-03-29 Roger Sayle <roger@eyesopen.com>
7550 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7551 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7552 quickly if the argument is already of the correct type.
7553 Call fold_build1 instead of build1. Tidy up blank lines.
7555 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7557 * genemit.c (main): Add tm-constrs.h to included headers.
7558 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7559 * genpeep.c (main): Add tm-constrs.h to included headers.
7560 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7561 (write_tm_constrs_h): this and write complete file.
7562 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7563 (write_insn_preds_c): Add tm-constrs.h to included headers.
7564 (gen_constrs): New variable.
7565 (parse_option): Parse "-c".
7566 (main): Invoke write_tm_constrs_h.
7567 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7568 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7569 (object_out_file): Add tm-constrs.h dependency.
7570 (insn-emit.o): Same.
7571 (insn-output.o): Same.
7572 (insn-peep.o): Same.
7573 (insn-preds.o): Same.
7574 (insn-recog.o): Same.
7575 (tm-constsr.h): New target.
7576 (s-constrs-h): New target.
7578 * config/rs6000/constraints.md: New file.
7579 * config/rs6000/rs6000.c: Include tm-constrs.h.
7580 (num_insn_constant_wide): Convert to satisfies_constraint.
7581 (rs6000_rtx_costs): Convert to satisfies_constraint.
7582 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7583 (CONST_OK_FOR_LETTER_P): Delete.
7584 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7585 (EXTRA_CONSTRAINT): Delete.
7586 (EXTRA_MEMORY_CONSTRAINT): Delete.
7587 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7588 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7589 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7590 satisfies_constraint.
7592 * config/i386/i386.c: Include tm-constrs.h.
7594 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7596 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7597 * tree-data-ref.c (find_data_references_in_loop,
7598 compute_data_dependences_for_loop): Use pointers to VEC.
7599 (analyze_all_data_dependences): Adjust calls.
7600 * tree-data-ref.h (find_data_references_in_loop,
7601 compute_data_dependences_for_loop): Adjust declarations.
7602 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7603 compute_data_dependences_for_loop.
7605 2006-03-29 Paul Brook <paul@codesourcery.com>
7607 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7610 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7612 PR tree-optimization/26859
7613 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7615 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7616 for the step after fold_convert.
7618 2006-03-29 Paul Brook <paul@codesourcery.com>
7620 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7621 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7623 2006-03-29 Paul Brook <paul@codesourcery.com>
7626 * targhooks.c (default_narrow_bitfield): New fuction.
7627 * targhooks.h (default_narrow_bitfield): add prototype.
7628 * target.h (gcc_target): Add narrow_volatile_bitfield.
7629 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7630 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7631 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7632 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7634 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7636 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7638 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7639 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7640 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7641 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7642 (s390_function_arg_float): Allow SDmode and DDmode values to be
7643 passed in floating point registers.
7644 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7645 check with SCALAR_FLOAT_MODE_P.
7646 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7648 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7650 PR tree-optimization/25985
7651 * tree-ssa-loop-niter.c (number_of_iterations_le,
7652 number_of_iterations_ne): Make comments more precise.
7653 (number_of_iterations_cond): Add only_exit argument. Use the
7654 fact that signed variables do not overflow only when only_exit
7656 (loop_only_exit_p): New.
7657 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7658 number_of_iterations_cond.
7660 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7662 PR tree-optimization/26643
7663 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7666 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7668 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7669 (divsi3_i4_int): Likewise.
7671 2006-03-28 Roger Sayle <roger@eyesopen.com>
7673 * expr.c (emit_group_store): Only create a new pseudo reg if the
7674 quantity it needs to hold isn't already a suitable pseudo.
7676 2006-03-28 Jeff Law <law@redhat.com>
7678 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7679 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7681 2006-03-28 Roger Sayle <roger@eyesopen.com>
7683 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7684 the equivalent ~X & Y, and the symmetry related transformations.
7685 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7686 ~X & Y, and symmetry related transforms.
7688 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7690 Revert my 2006-03-27 patches.
7692 2006-03-28 Roger Sayle <roger@eyesopen.com>
7694 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7695 ~(T1)X, when T1 and T2 are integer types of the same precision
7696 and (T2)X isn't an extension.
7698 2006-03-28 Jeff Law <law@redhat.com>
7700 PR tree-optimization/26796
7701 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7702 need EH edge cleanups rather than purging them immediately.
7703 (eliminate_degenerate_phis): Handle queued EH cleanups.
7705 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7707 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7710 2006-03-27 Roger Sayle <roger@eyesopen.com>
7713 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7714 cast BIT_NOT_EXPR operand to the correct type.
7716 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7718 * tree-loop-linear.c: Don't include varray.h.
7719 (gather_interchange_stats, try_interchange_loops,
7720 linear_transform_loops): Use VEC instead of VARRAY.
7721 * lambda-mat.c: Don't include varray.h.
7722 * tree-chrec.c: Same.
7723 * lambda-trans.c: Same.
7724 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7725 VEC instead of VARRAY.
7726 * tree-vectorizer.h: Idem.
7727 * tree-data-ref.c (dump_data_references,
7728 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7729 initialize_data_dependence_relation, finalize_ddr_dependent,
7730 compute_all_dependences, find_data_references_in_loop,
7731 compute_data_dependences_for_loop, analyze_all_data_dependences,
7732 free_dependence_relation, free_dependence_relations,
7733 free_data_refs): Idem.
7734 * tree-data-ref.h (data_reference_p, subscript_p): New.
7735 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7736 VEC instead of VARRAY.
7737 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7738 (find_data_references_in_loop, compute_data_dependences_for_loop,
7739 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7740 dump_data_dependence_relations, free_dependence_relations,
7741 free_data_refs): Adjust declaration.
7742 (lambda_transform_legal_p): Move declaration here...
7743 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7744 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7745 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7746 vect_analyze_data_refs): Use VEC instead of VARRAY.
7747 * lambda.h (lambda_transform_legal_p): ...from here.
7748 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7749 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7750 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7751 tree-chrec.o): Don't depend on VARRAY_H.
7753 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7755 * rtl.def (Copyright): Update date.
7756 (DEPS_LIST): Change type of the second operand to 'int'.
7757 * target.h (Copyright): Update date.
7758 (struct gcc_target.speculate_insn): Change type of the second parameter
7760 * lists.c (Copyright): Update date.
7761 (alloc_DEPS_LIST): Change signature. Update reference to the second
7762 operand of the DEPS_LIST.
7763 (copy_DEPS_LIST_list): Update reference to the second operand of the
7765 * rtl.h (Copyright): Update date.
7766 (alloc_DEPS_LIST): Update signature.
7767 * sched-int.h (Copyright): Update date.
7768 (ds_t): Change typedef to 'int'.
7769 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7771 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7773 * haifa-sched.c (Copyright): Update date.
7774 (try_ready): Change condition to restore non-speculative pattern
7776 (process_insn_depend_be_in_spec): Code to keep probability of the
7777 speculative dependence non-decreasing.
7779 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7781 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7782 shut up the compiler.
7784 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7786 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7787 to use lib prefix for target.
7788 ($(T)libic_invalidate_array_4-200.a): Likewise.
7789 ($(T)libic_invalidate_array_4a.a): Likewise.
7791 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7792 J"orn Rennecke <joern.rennecke@st.com>
7794 * superh.opt: New file.
7795 * sh.c (boardtype, osruntime): Remove.
7796 * superh.h (SUBTARGET_OPTIONS): Remove.
7797 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7799 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7800 arguments with ^ and/or [].
7802 * config.gcc (sh-*-*): Add quoting to account for quirk of
7804 Replace == with = in enable_incomplete_targets test.
7806 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7807 with MASK_LITTLE_ENDIAN.
7809 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7810 * config/sh/sh.opt: Added to some comments.
7811 * config/sh/superh.h: Removed some chaff.
7813 * config/sh/sh.opt: Add m4-[1234]00* options.
7814 * config/sh/sh.c (sh_handle_option): Likewise.
7815 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7816 (ic_invalidate_array_4-100.o): New rule.
7817 ($(T)libic_invalidate_array_4-100.a): Likewise.
7818 (ic_invalidate_array_4-200.o): Likewise.
7819 ($(T)libic_invalidate_array_4-200.a): Likewise.
7820 (ic_invalidate_array_4a.o): Likewise.
7821 ($(T)libic_invalidate_array_4a.a): Likewise.
7822 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7823 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7825 * config/sh/crt1.asm: Merged in profiling code.
7826 * config/sh/superh.h (STARTFILE_SPEC): Override.
7827 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7828 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7829 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7831 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7832 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7833 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7835 * sh.opt (mpretend-cmove): New option.
7836 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7837 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7838 (movsicc): Add TARGET_PRETEND_CMOVE code.
7840 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7842 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7843 s390_class_max_nregs): New function prototypes.
7844 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7845 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7846 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7847 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7849 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7851 * dwarf2out.c (add_location_or_const_value_attribute): Call
7852 tree_add_const_value_attribute if nothing else works.
7853 (reference_to_unused): New.
7854 (rtl_for_decl_init): Use reference_to_unused to decide whether
7855 to output an initializer.
7857 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7860 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7861 peephole removing spe frob_di_df_2.
7863 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7865 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7866 (subscript_dependence_tester_1): Declared.
7867 (print_dir_vectors, print_dist_vectors): New.
7868 (debug_data_dependence_relation): New.
7869 (dump_data_dependence_relation): Print more details.
7870 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7871 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7872 (save_dist_v, save_dir_v, add_outer_distances,
7873 build_classic_dist_vector_1): New.
7874 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7875 Don't test for lambda_vector_lexico_pos.
7876 (same_access_functions, add_multivariate_self_dist,
7877 add_other_self_distances, dir_from_dist): New.
7878 (build_classic_dir_vector): Replace implementation almost identical to
7879 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7881 (subscript_dependence_tester_1): New.
7882 (subscript_dependence_tester): Handle the lexicographically negative
7883 distance vectors by recomputing the dependence relation.
7884 (compute_affine_dependence): Remove parameter loop_nest_depth.
7885 (compute_self_dependence): Don't call compute_subscript_distance.
7886 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7887 Add a parameter for the loop_nest.
7888 (find_loop_nest_1, find_loop_nest): New.
7889 (compute_data_dependences_for_loop): Compute the loop nest, and give
7890 up if the nest is not well formed.
7891 * tree-data-ref.h (loop_p): New.
7892 (struct data_dependence_relation): Replace size_vect field with
7893 loop_nest, a vec of loops.
7894 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7895 (DDR_LOOP_NEST): New.
7896 (print_dir_vectors, print_dist_vectors,
7897 debug_data_dependence_relation): Declared.
7898 (index_in_loop_nest): New.
7899 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7900 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7903 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7905 * simplify-rtx.c (simplify_relational_operation): Call
7906 simplify_relational_operation_1 even if mode is VOIDmode.
7908 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7910 PR tree-optimization/26804
7911 * tree.h (DECL_CALL_CLOBBERED): New macro.
7912 (tree_decl_common): Add call_clobbered_flag.
7913 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7914 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7915 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7916 (mark_non_addressable): Ditto.
7917 * tree-ssa.c (verify_call_clobbered): New function.
7918 (verify_alias_info): Use it.
7919 * tree-pass.h (pass_reset_cc_flags): New prototype.
7920 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7921 (reset_cc_flags): New function.
7922 * passes.c (init_optimization_passes): Call reset_cc_flags after
7923 initializing referenced_vars.
7925 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7926 Roger Sayle <roger@eyesopen.com>
7929 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7930 to 1.0 for non-real operands. Implement A / A optimization for
7933 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7935 * config/i386/i386.c (size_cost): Correct the comment for
7936 cost of storing fp registers.
7937 (i386_cost): Likewise.
7938 (i486_cost): Likewise.
7939 (pentium_cost): Likewise.
7940 (pentiumpro_cost): Likewise.
7941 (k6_cost): Likewise.
7942 (athlon_cost): Likewise.
7943 (k8_cost): Likewise.
7944 (pentium4_cost): Likewise.
7945 (nocona_cost): Likewise.
7946 (generic64_cost): Likewise.
7947 (generic32_cost): Likewise.
7949 2006-03-24 Denis Chertykov <denisc@overta.ru>
7951 * config/avr/avr-protos.h (extra_constraint): Delete.
7952 (extra_constraint_Q): New declaration.
7953 * config/avr/constraints.md: New file.
7954 * config/avr/avr.md: Include it.
7955 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7956 (TMP_REGNO, ZERO_REGNO): Likewise.
7957 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7958 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7959 (extra_constraint): Delete.
7960 (extra_constraint_Q): Test for memory constraint 'Q'.
7961 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7962 (REG_CLASS_FROM_LETTER): Delete.
7963 (CONST_OK_FOR_LETTER_P): Delete.
7964 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7965 (EXTRA_CONSTRAINT): Delete.
7966 (TMP_REGNO): Delete.
7967 (ZERO_REGNO): Delete.
7969 2006-03-24 Jeff Law <law@redhat.com>
7971 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7972 directly. Call mark_new_vars_to_rename slightly earlier.
7974 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7976 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7978 (gen_compile_unit_die): Use new language types for Objective-C and
7980 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7981 DW_LANG_C_plus_plus.
7984 * config/t-darwin (crt3.o): Work around bug 26840.
7985 * config/darwin-crt3.c: Rewrite.
7986 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7988 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7990 * doc/invoke.texi: Document -femit-class-debug-always
7991 * common.opt: Add -femit-class-debug-always.
7993 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7995 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7996 index and base register.
7997 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7998 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7999 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
8000 REGNO_OK_FOR_INDEX_P.
8001 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
8003 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
8004 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
8005 REG_OK_FOR_BASE_P): Definitions removed.
8007 2006-03-24 Jakub Jelinek <jakub@redhat.com>
8010 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
8011 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
8012 set yet or weren't marked as local yet.
8014 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
8016 * regrename.c (scan_rtx_address): Initialize a variable to shut up
8019 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
8021 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
8022 (rs6000_legitimate_small_data_p): Delete.
8023 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
8024 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
8025 and make static. Add forward declaration. Update uses.
8026 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
8027 of offsettable_memref_p.
8028 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
8029 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
8031 2006-03-24 Jeff Law <law@redhat.com>
8033 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
8034 around bug in immediate-use iterator.
8036 2006-03-24 Alan Modra <amodra@bigpond.net.au>
8039 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
8040 or __LITTLE_ENDIAN__.
8042 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
8044 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
8045 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
8046 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
8047 * config/sh/sh.opt (mdiv=): Amend description.
8048 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
8049 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
8050 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
8051 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
8052 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
8053 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
8054 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
8055 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
8056 TARGET_DIVIDE_CALL_FP.
8058 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8060 * haifa-sched.c (choose_ready): Fix type of the local variable.
8061 Move local variables. Add comment.
8062 (check_reg_live): Change signature. Make callable from debugger.
8063 * sched-int.h (check_reg_live): Update signature.
8064 * sched-ebb.c (check_reg_live): Update parameters.
8065 * sched-rgn.c (check_reg_live): Ditto.
8066 (region_head_or_leaf_p): Check pointer before dereferencing.
8067 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
8068 before reload on optimization levels below 1.
8070 2006-03-23 Richard Henderson <rth@redhat.com>
8072 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
8076 * config/alpha/predicates.md (local_symbolic_operand): Reject
8079 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
8082 * tree-ssa-pre.c (create_value_expr_from): Don't reject
8083 expressions which have overflowed constants.
8085 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8087 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
8089 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
8091 * cfgloopmanip.c (create_loop_notes): Removed.
8092 * final.c (final_scan_insn): Do not handle loop notes.
8093 * jump.c (squeeze_notes): Ditto.
8094 * cfglayout.c (skip_insns_after_block,
8095 duplicate_insn_chain): Ditto.
8096 * cfgcleanup.c (rest_of_handle_jump2): Do not call
8098 * cfgloop.h (create_loop_notes): Declaration removed.
8100 2006-03-23 Richard Sandiford <richard@codesourcery.com>
8102 * varasm.c (output_constant_pool): Restore fnname and fndecl
8104 (assemble_start_function): Adjust call accordingly.
8105 (assemble_end_function): Likewise.
8107 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8110 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
8113 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
8115 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
8118 * system.h (ICE_EXIT_CODE): New macro.
8119 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
8120 (diagnostic_action_after_output): Likewise.
8121 * gcc.c (fatal_ice): New function.
8122 (execute): Use it instead of fatal.
8123 (fancy_abort): Likewise.
8124 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
8126 2006-03-22 Jeff Law <law@redhat.com>
8128 * loop-unroll.c (analyze_iv_to_split_insn): Handle
8129 iv_analyze_result returning false.
8131 2006-03-22 Jie Zhang <jie.zhang@analog.com>
8133 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
8135 2006-03-22 Richard Henderson <rth@redhat.com>
8138 * except.c (duplicate_eh_regions_0): New.
8139 (duplicate_eh_region_1): Duplicate the children of the node as
8140 well as the node itself. Link them up properly.
8141 (duplicate_eh_region_2): Merge into ...
8142 (duplicate_eh_regions): ... here. Take copy_region argument, and
8143 copy only a sub-tree if asked. Simplify copying and fixup.
8144 (eh_region_outer_p): New.
8145 * except.h (duplicate_eh_regions): Update decl.
8146 (eh_region_outer_p): Declare.
8147 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
8148 (lower_omp_master): Likewise.
8149 (lower_omp_ordered): Likewise.
8150 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
8151 (move_stmt_r): Use it to remap labels. Handle recursion vs
8152 remap_decls_p properly.
8153 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
8154 (find_outermost_region_in_block): New.
8155 (new_label_mapper): New.
8156 (move_sese_region_to_fn): Copy eh information to the new function
8158 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
8160 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
8163 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8165 * doc/md.texi (-mshared): Mention that -mshared code can be linked
8166 into shared libraries.
8168 2006-03-22 Richard Sandiford <richard@codesourcery.com>
8170 * doc/md.texi: Refer to i386/constraints.md instead of
8172 * config/i386/constraints.md: New file, extracted from...
8173 * config/i386/predicates.md: ...here.
8174 * config/i386/i386.md: Include constraints.md.
8176 2006-03-21 Jason Merrill <jason@redhat.com>
8178 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
8181 * expr.c (init_block_move_fn): Force default visibility.
8182 (init_block_clear_fn): Likewise.
8183 * builtins.c (expand_builtin_fork_or_exec): Likewise.
8184 * targhooks.c (default_external_stack_protect_fail): Likewise.
8186 2006-03-21 Richard Sandiford <richard@codesourcery.com>
8188 * config/mips/predicates.md (const_call_insn_operand): Allow direct
8189 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
8190 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
8191 Use TARGET_OLDABI instead of !TARGET_NEWABI.
8192 (loadgp): Use mips_current_loadgp_style.
8193 (loadgp_noshared): New pattern.
8194 (sibcall_internal): Use MIPS_CALL.
8195 (sibcall_value_internal): Likewise.
8196 (sibcall_value_multiple_internal): Likewise.
8197 (call_internal): Likewise.
8198 (call_value_internal): Likewise.
8199 (call_value_multiple_internal): Likewise.
8200 (call_split): Use MIPS_CALL and add an 'S' constraint.
8201 (call_value_split): Likewise.
8202 (call_value_multiple_split): Likewise.
8203 * config/mips/mips.opt (-mabicalls): Tweak docstring.
8204 (-mshared): New option.
8205 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
8206 (mips_current_loadgp_style): Declare.
8207 * config/mips/mips.c (mips_classify_symbol): Avoid using
8208 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
8209 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
8210 TARGET_ABSOLUTE_ABICALLS.
8211 (override_options): Adjust comments. Improve the warning that is
8212 issued when -mabicalls and -G are used together.
8213 (mips_file_start): Remove comment.
8214 (mips_current_loadgp_style): New function.
8215 (mips_gnu_local_gp): New variable.
8216 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
8218 (mips_output_function_prologue): Use mips_current_laodgp_style.
8219 (mips_expand_prologue): Call mips_emit_loadgp before emitting
8220 the cprestore instruction.
8221 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
8222 live for TARGET_ABSOLUTE_ABICALLS.
8223 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
8224 (ASM_SPEC): Pass down -mshared and -mno-shared.
8225 (MIPS_CALL): New macro.
8226 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
8228 * doc/invoke.texi (-mabicalls): Update documentation.
8229 (-mshared): Document.
8231 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8233 * config/ia64/unwind-hpux.c: New file.
8234 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
8236 2006-03-21 Steve Ellcey <sje@cup.hp.com>
8239 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
8241 2006-03-21 Jeff Law <law@redhat.com>
8243 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
8244 type conversions of a VR_VARYING source to a wider type.
8246 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
8248 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
8249 tm_file on Solaris 10 and later.
8250 (sparc64-*-solaris2*): Likewise.
8251 (sparc-*-solaris2*): Likewise.
8252 * config/sol26.h: Rename to config/sol2-6.h.
8253 * config/sol2-10.h: New file.
8255 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
8258 * tree-ssa-pre.c (create_component_ref_by_pieces):
8261 2006-03-21 Jakub Jelinek <jakub@redhat.com>
8264 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
8265 return it immediately.
8267 2006-03-21 Michael Matz <matz@suse.de>
8269 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
8271 (remove_arc, add_arc): Update num_out_arcs member.
8272 (set_out_arc_insns_equiv_num): Returns nothing instead of number
8274 (cache_presence): New function.
8275 (compare_states_for_equiv): New function.
8276 (state_is_differed): Don't take number of outargs, adjust callers.
8277 Use new invariant for speeding up.
8278 (init_equiv_class): Create initial classes based on sorted
8280 (partition_equiv_class): Don't track out_arcs_num.
8281 (evaluate_equiv_classes): Call cache_presence on all states and
8284 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
8286 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
8287 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
8288 (bfin_valid_reg_p): Test for pseudos explicitly and use only
8289 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
8291 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
8292 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
8293 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
8294 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
8295 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
8297 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
8298 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
8299 (REGNO_REG_CLASS): ARGP is in PREGS.
8300 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
8302 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
8303 to deal with those addresses.
8304 * addresses.h: New file.
8305 * caller-save.c: Include "addresses.h".
8306 (init_caller_save): Use new base_reg_class function.
8307 * rtl-factoring.c: Include "addresses.h".
8308 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
8309 * recog.c: Include "addresses.h".
8310 (preprocess_constraints): Use new base_reg_class function.
8311 * regrename.c: Include "addresses.h".
8312 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
8313 functions. Keep track of a new var INDEX_CODE to compute valid
8315 (replace_oldest_value_addr): Likewise.
8316 (replace_oldest_value_mem): Use base_reg_class.
8317 * reload.c: Include "addresses.h".
8318 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
8319 (find_reloads): Use new base_reg_class function.
8320 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
8321 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
8322 all callers and prototype changed.
8323 * reload1.c: Include "addresses.h".
8324 (maybe_fix_stack_asms): Use base_reg_class.
8325 * regclass.c: Include "addresses.h".
8326 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
8327 (init_reg_autoinc): Use new base_reg_class function.
8328 (record_reg_classes): Likewise.
8329 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
8330 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
8331 Use new args to compute necessary class.
8333 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
8334 regrename.o, rtl-factoring.o): Update dependencies.
8335 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
8336 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
8337 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
8338 REG_OK_FOR_INDEX_P): Delete documentation.
8340 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
8342 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
8343 from V7 to V9 for Solaris 7 and above.
8345 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
8347 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
8348 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
8349 argument pointers may not alias any other storage.
8350 * common.opt: Define option -fargument-noalias-anything.
8351 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
8352 alias semantics is specified by flag_argument_noalias > 2.
8354 2006-03-20 Jeff Law <law@redhat.com>
8356 * tree-pass.h (pass_phi_only_copy_prop): Delete.
8357 (pass_phi_only_cprop): Declare.
8358 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
8360 * tree-ssa-dom.c (degenerate_phi_result): New function.
8361 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
8362 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
8363 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
8364 (eliminate_degenerate_phis): Likewise.
8365 (pass_phi_only_cprop): New pass descriptor.
8366 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
8367 support code. Callers updated.
8368 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
8369 (store_copy_prop): Likewise.
8370 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
8372 2006-03-20 Jason Merrill <jason@redhat.com>
8375 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
8376 (push_visibility, pop_visibility): Likewise.
8377 * c-pragma.h: Declare them.
8379 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
8381 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
8383 * config/sh/sh.c (find_regmode_weight): Change the type of the first
8384 parameter and use get_ebb_head_tail.
8385 (sh_md_init_global): Adjust uses of find_regmode_weight.
8387 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
8389 * function.h (struct function) <x_tail_recursion_reentry>:
8390 Rename to x_stack_check_probe_note.
8391 (tail_recursion_reentry): Rename to stack_check_probe_note.
8392 * function.c: Replace tail_recursion_reentry with
8393 stack_check_probe_note everywhere.
8394 (expand_function_start): Only emit a note for
8395 stack_check_probe_note with -fstack-protect.
8396 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
8398 * emit-rtl.c (remove_unnecessary_notes): Remove.
8399 (pass_remove_unnecessary_notes): Remove.
8400 * rtl.h (remove_unnecessary_notes): Remove prototype.
8401 * final.c (final_start_function): Don't call remove_unnecessary_notes.
8402 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
8403 * passes.c (pass_remove_unnecessary_notes): Don't run it.
8405 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
8408 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
8409 (valid_in_set): Handle ARRAY_REF.
8410 Change "if min_variant or VH" to asserts.
8411 (create_component_ref_by_pieces): Handle ARRAY_REF.
8412 (create_expression_by_pieces): Likewise.
8413 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
8415 2006-03-20 David Edelsohn <edelsohn@gnu.org>
8417 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
8418 is operand of switch, not str[0].
8420 2006-03-20 Alan Modra <amodra@bigpond.net.au>
8422 * config/rs6000/rs6000.c (rs6000_handle_option): Use
8423 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
8425 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8427 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
8428 end of insn_extra_address_constraint declaration.
8430 2006-03-19 David Edelsohn <edelsohn@gnu.org>
8432 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
8433 (no-sum-in-toc): Same.
8434 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
8436 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
8437 NO_FP_IN_TOC for -fPIC instead of mask.
8439 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
8440 (BOOT_LDFLAGS): Delete.
8442 * config/rs6000/t-aix52: Same.
8444 * config/rs6000/rs6000.md (store_multiple_power): Delete.
8445 (stmsi[345678]_power): New.
8447 2006-03-17 Steve Ellcey <sje@cup.hp.com>
8449 * config/ia64/ia64.opt: Add empty line to end of file.
8451 2006-03-17 Richard Guenther <rguenther@suse.de>
8454 * builtins.c (get_pointer_alignment): For component style references
8455 adjust alignment to the component type alignment. Make sure
8456 to adjust alignment for component access of constants.
8458 2006-03-17 David Edelsohn <edelsohn@gnu.org>
8460 * config/rs6000/rs6000.md (strlensi): Emit barrier after
8463 2006-03-17 Paul Brook <paul@codesourcery.com>
8465 * doc/install.texi: Docuemnt --with-mode.
8466 * config.gcc: Add --with-mode for arm*-*-*.
8467 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
8469 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
8471 * sh.c (max_labelno_before_reorg): New variable.
8472 (sh_reorg): Initialize it.
8473 (find_barrier): Check max_labelno_before_reorg before using
8474 label_to_alignment. Take length of explicit alignment insns
8475 into account. When seeing a UNSPECV_CONST_END, return it.
8477 * sh.c (fixup_mova): Set mode of affected label to QImode.
8478 (untangle_mova): New function.
8479 (find_barrier): Use it. Check mode of label before decrementing
8481 (sh_reorg): Likewise.
8482 Set mode of all insns back to VOIDmode.
8484 * sh.c (MOVA_LABELREF): New macro.
8485 (mova_p, fixup_mova, sh_reorg): Use it.
8486 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
8487 ADDR_DIFF_VEC matches mova.
8489 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
8491 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
8492 with ATTRIBUTE_UNUSED.
8494 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8496 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8497 pointer, instead of assuming it is possible to derive the
8498 correct args size from a call insn.
8500 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8502 * rtl.h (CONST_INT_P): Define.
8503 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8504 instead of GET_CODE(x) == CONST_INT.
8505 (vax_rtx_costs): Likewise.
8506 (vax_output_int_move): Likewise.
8507 (vax_output_int_add): Likewise.
8508 (legitimate_constant_address_p): Likewise.
8509 (index_term_p): Likewise.
8510 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8511 * config/vax/vax.md (and<mode>3): Likewise.
8512 (ashrsi3): Likewise.
8514 (movstricthi): Likewise.
8515 (movstrictqi): Likewise.
8516 (rotrsi3): Likewise.
8517 (five unnamed insns): Likewise.
8519 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8521 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8522 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8523 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8524 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8525 Pass to ASM_OUTPUT_DWARF_OFFSET.
8526 * dwarf2out.c (debug_frame_section): New.
8527 (output_call_frame_info): Use debug_frame_section. Pass it to
8528 dw2_asm_output_offset.
8529 (output_die): Pass appropriate section to dw2_asm_output_offset.
8530 (output_compilation_unit_header): Likewise.
8531 (output_pubnames): Likewise.
8532 (output_aranges): Likewise.
8533 (enum dw_val_class): Break dw_val_class_lbl_offset into
8534 dw_val_class_lineptr and dw_val_class_macptr.
8535 (add_AT_lbl_offset): Delete.
8536 (add_AT_lineptr): New.
8537 (add_AT_macptr): New.
8538 (AT_lbl): Expect a lineptr or macptr.
8539 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8540 (attr_checksum): Likewise.
8541 (same_dw_val_p): Likewise.
8542 (size_of_die): Likewise.
8543 (value_format): Likewise.
8544 (output_die): Likewise.
8545 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8547 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8548 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8549 * config/darwin-protos.h (darwin_file_start): New.
8550 (darwin_asm_output_dwarf_offset): New.
8551 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8552 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8554 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8555 if not EH section; simplify.
8556 (darwin_file_start): New.
8557 (darwin_asm_output_dwarf_offset): New.
8558 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8560 (DEBUG_INFO_SECTION): Likewise.
8561 (DEBUG_ABBREV_SECTION): Likewise.
8562 (DEBUG_ARANGES_SECTION): Likewise.
8563 (DEBUG_MACINFO_SECTION): Likewise.
8564 (DEBUG_LINE_SECTION): Likewise.
8565 (DEBUG_LOC_SECTION): Likewise.
8566 (DEBUG_PUBNAMES_SECTION): Likewise.
8567 (DEBUG_STR_SECTION): Likewise.
8568 (DEBUG_RANGES_SECTION): Likewise.
8569 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8570 (ASM_OUTPUT_DWARF_OFFSET): New.
8572 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8574 * config.gcc (tm_defines): Always add to previous value rather
8577 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8579 * config/mips/predicates.md (splittable_const_int_operand): New,
8580 split from move_operand.
8581 (splittable_symbolic_operand): New.
8582 (move_operand): Add commentary. Use splittable_const_int_operand.
8583 Inline mips_atomic_symbolic_constant_p.
8584 * config/mips/mips.md: Add combine splitters for handling moves
8585 of splittable_const_int_operands and splittable_symbolic_operands.
8586 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8587 (mips_split_symbol): Declare.
8588 (mips_move_integer): Declare.
8589 * config/mips/mips.c (mips_split_p): Make global.
8590 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8591 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8592 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8593 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8594 (mips_offset_within_object_p): Handle block symbols.
8595 (mips_atomic_symbolic_constant_p): Delete.
8596 (mips_cannot_force_const_mem): Return false for constants that
8597 mips_legitimize_move can handle.
8598 (mips_use_blocks_for_constant_p): New function.
8599 (mips_split_symbol): Make global.
8600 (mips_move_integer): Likewise. Add a temporary register argument.
8601 (mips_legitimize_const_move): Use splittable_const_int_operand and
8602 splittable_symbolic_operand.
8603 (mips_use_anchors_for_symbol_p): New function.
8604 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8605 (mips_split_p): Declare.
8607 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8609 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8610 (mips*-*-linux*): Likewise.
8612 2006-03-16 Roger Sayle <roger@eyesopen.com>
8613 Daniel Speyer <dspeyer@wam.umd.edu>
8616 * tree-dump.c (dump_real): New function.
8617 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8618 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8619 (tree-dump.o): Add $(REAL_H) to the dependencies.
8621 2006-03-16 Roger Sayle <roger@eyesopen.com>
8624 * real.c (real_from_string): If the mantissa is zero, don't bother
8625 parsing the exponent as the result should always be zero.
8627 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8629 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8631 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8633 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8634 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8635 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8636 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8637 ia64_sched_finish_global): New static functions to implement
8638 hooks from gcc_target.sched.
8639 (spec_check_no, max_uid, pending_data_specs): New static variables.
8640 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8641 ia64_spec_check_src_p): New static functions.
8642 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8643 (TARGET_SCHED_ADJUST_COST): Removed.
8644 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8645 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8646 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8647 TARGET_SCHED_GEN_CHECK,
8648 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8649 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8650 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8651 Fixed to handle speculation checks.
8652 (rtx_needs_barrier): Fixed to handle speculative loads and
8654 (ia64_variable_issue): Added code to count speculative loads and their
8656 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8658 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8660 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8662 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8663 (ia64_reorg): Reset stops_p to NULL after it is freed.
8664 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8665 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8666 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8668 (data_speculative, control_speculative, check_load): New attributes.
8669 (mov<mode>_advanced, mov<mode>_speculative,
8670 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8671 zero_extend<mode>di2_speculative,
8672 zero_extend<mode>di2_speculative_advanced): New patterns for
8673 data and control speculative loads.
8674 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8676 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8677 New pattern for data and control speculation checks.
8678 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8679 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8680 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8681 Auxiliary definitions for the patterns.
8682 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8683 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8685 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8687 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8688 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8689 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8690 New resource constraints.
8691 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8693 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8694 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8695 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8696 msched-in-control-spec, msched-ldc, msched-control-ldc,
8697 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8698 msched-prefer-non-control-spec-insns,
8699 msched-count-spec-in-critical-path): New flags to tune speculative
8701 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8702 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8703 msched-in-control-spec, msched-ldc, msched-control-ldc,
8704 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8705 msched-prefer-non-control-spec-insns,
8706 msched-count-spec-in-critical-path): Document new flags.
8708 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8710 * target.h (struct spec_info_def): New opaque declaration.
8711 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8712 speculate_insn, needs_block_p, gen_check,
8713 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8714 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8715 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8716 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8717 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8718 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8720 (TARGET_SCHED): Use new macros.
8721 * rtl.h (copy_DEPS_LIST_list): New prototype.
8722 * sched-int.h (struct sched_info): Change signature of new_ready field,
8723 adjust all initializations. New fields: add_remove_insn,
8724 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8725 region_head_or_leaf_p.
8726 (struct spec_info_def): New structure declaration.
8727 (spec_info_t): New typedef.
8728 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8729 recovery_block, orig_pat.
8730 (glat_start, glat_end): New variables declaraions.
8731 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8733 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8734 DETACH_LIFE_INFO, USE_GLAT.
8735 (enum SPEC_SCHED_FLAGS): New enumeration.
8736 (NOTE_NOTE_BB_P): New macro.
8737 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8738 attach_life_info, debug_spec_status, check_reg_live): New functions.
8739 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8740 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8742 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8743 * ddg.c (get_block_head_tail): Adjust all uses.
8744 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8745 (sms_sched_info): Initialize new fields.
8746 (contributes_to_priority): Removed.
8747 * haifa-sched.c (params.h): New include.
8748 (get_block_head_tail): Adjust all uses.
8749 (ISSUE_POINTS): New macro.
8750 (glat_start, glat_end): New global variables.
8751 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8752 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8753 old_last_basic_block, before_recovery, current_sched_info_var,
8754 rgn_n_insns, luid): New static variables.
8755 (insn_cost1): New function. Move logic from insn_cost to here.
8756 (find_insn_reg_weight1): New function. Move logic from
8757 find_insn_reg_weight to here.
8758 (reemit_notes, move_insn, max_issue): Change signature.
8759 (move_insn1): Removed.
8760 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8761 extend_bb): New static functions to support extension of scheduler's
8763 (generate_recovery_code, process_insn_depend_be_in_spec,
8764 begin_speculative_block, add_to_speculative_block,
8765 init_before_recovery, create_recovery_block, create_check_block_twin,
8766 fix_recovery_deps): New static functions to support
8767 generation of recovery code.
8768 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8769 restore_bb_notes, move_block_after_check, move_succs): New static
8770 functions to support ebb scheduling.
8771 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8772 functions to support handling of register live information.
8773 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8774 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8775 add_jump_dependencies): New static functions.
8776 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8777 consistancy checking.
8778 (debug_spec_status): New function to call from debugger.
8779 (priority): Added code to handle speculation checks.
8780 (rank_for_schedule): Added code to distinguish speculative instructions.
8781 (schedule_insn): Added code to handle speculation checks.
8782 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8783 Fixed to handle ebbs.
8784 (move_insn): Added code to handle ebb scheduling.
8785 (max_issue): Added code to use ISSUE_POINTS of instructions.
8786 (choose_ready): Added code to choose between speculative and
8787 non-speculative instructions.
8788 (schedule_block): Added code to handle ebb scheduling and scheduling of
8789 speculative instructions.
8790 (sched_init): Initialize new variables.
8791 (sched_finish): Free new variables. Print statistics.
8792 (try_ready): Added code to handle speculative instructions.
8793 * lists.c (copy_DEPS_LIST_list): New function.
8794 * sched-deps.c (extend_dependency_caches): New function. Move logic
8795 from create_dependency_caches to here.
8796 (get_dep_weak, ds_merge): Make global.
8797 * genattr.c (main): Code to output prototype for
8798 dfa_clear_single_insn_cache.
8799 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8800 (output_dfa_clean_insn_cache_func): Code to output
8801 dfa_clear_single_insn_cache function.
8802 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8804 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8806 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8807 New static variables.
8808 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8809 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8811 (ebb_sched_info): Initialize new fields.
8812 (get_block_head_tail): Adjust all uses.
8813 (compute_jump_reg_dependencies): Fixed to use glat_start.
8814 (schedule_ebb): Code to remove unreachable last block.
8815 (schedule_ebbs): Added code to update register live information.
8816 * sched-rgn.c (region_sched_info): Initialize new fields.
8817 (get_block_head_tail): Adjust all uses.
8818 (last_was_jump): Removed. Adjust users.
8819 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8820 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8821 Implement new hooks.
8822 (check_dead_notes1): New static function.
8823 (struct region): New fields: dont_calc_deps, has_real_ebb.
8824 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8825 (BB_TO_BLOCK): Fixed to handle EBBs.
8826 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8827 (ebb_head): New static variable.
8828 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8829 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8831 (compute_dom_prob_ps): New assertion.
8832 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8833 global_live_at_start.
8834 (init_ready_list): New assertions.
8835 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8836 (new_ready): Add support for BEGIN_CONTROL speculation.
8837 (schedule_insns): Fixed code that updates register live information
8839 (schedule_region): Fixed to handle EBBs.
8840 (init_regions): Use extend_regions and check_dead_notes1.
8841 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8842 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8843 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8844 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8845 TARGET_SCHED_GEN_CHECK,
8846 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8847 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8848 * doc/invoke.texi (max-sched-insn-conflict-delay,
8849 sched-spec-prob-cutoff): Document.
8851 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8853 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8854 inter_tick, queue_index.
8855 (struct sched_info): Change signature of init_ready_list field.
8856 Adjust all initializations.
8857 (RESOLVED_DEPS): New access macro.
8858 (ready_add): Remove prototype.
8859 (try_ready): Add prototype.
8860 * sched-rgn.c (init_ready_list): Use try_ready.
8861 (schedule_region): Initialize
8862 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8863 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8864 (init_ready_list): Use try_ready.
8865 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8866 * lists.c (remove_list_elem): Remove `static'.
8867 (remove_free_INSN_LIST_elem): New function.
8868 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8869 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8870 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8872 (readyp): New variable.
8873 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8874 change_queue_index, resolve_dep): New static functions.
8875 (try_ready): New function. Adjust callers in sched-rgn.c and
8876 sched-ebb.c to use it instead of ready_add.
8877 (clock_var): Move at the begining of file.
8878 (rank_for_schedule): Fix typo.
8879 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8880 (ready_lastpos): Enforce assertion.
8881 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8883 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8884 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8885 (queue_to_ready): Use free_INSN_LIST_list.
8886 (early_queue_to_ready): Fix typo.
8887 (schedule_block): Init readyp. Move init_ready_list call after the
8888 initialization of clock_var. Fix error in rejecting insn by
8889 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8890 that previously corrected INSN_TICKs. Add code for handling
8892 (set_priorities): Fix typo.
8893 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8894 Clarify comment and code that keeps current_sched_info->next_tail
8897 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8899 * sched-rgn.c (extend_rgns): New static function.
8900 (find_rgns): Use it.
8901 (gather_region_statistics, print_region_statistics): New static
8903 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8904 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8906 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8907 Andrey Belevantsev <abel@ispras.ru>
8909 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8910 * lists.c (unused_deps_list): New variable.
8911 (free_list): Add assertions to verify the proper distinguishing
8912 between INSN_LISTs and DEPS_LISTs.
8913 (find_list_elem, remove_list_elem, remove_list_node): New static
8915 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8916 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8917 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8918 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8920 (free_INSN_LIST_node): Likewise.
8921 * modulo-sched.c (current_sched_info): Initialize flags field.
8922 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8923 * rtl.def (DEPS_LIST): Define.
8924 * rtl.h: Declare new functions from lists.c.
8925 * sched-deps.c (spec_dependency_cache): New static variable.
8926 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8927 (add_dependence): Change return type to void. Move the logic to ...
8928 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8929 (delete_all_dependences): Add comment about forward_dependency_cache.
8930 Handle spec_dependency_cache. Handle DEPS_LISTs.
8931 (fixup_sched_groups): Clarify the change of priority of output
8932 and anti dependencies.
8933 (sched_analyze_2): Adjust add_dependence calls to create data
8934 speculative dependence.
8935 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8936 Adjust all callers. Handle DEPS_LISTS.
8937 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8938 presence of speculation.
8939 (init_dependency_caches, free_dependency_caches):
8940 Handle spec_dependency_cache.
8941 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8942 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8943 New static functions.
8944 (add_or_update_back_dep, add_or_update_back_forw_dep,
8945 add_back_forw_dep, delete_back_forw_dep): New functions.
8946 * sched-int.h (ds_t, dw_t): New typedefs.
8947 (struct sched_info): Add new field flags.
8948 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8949 Prototype new sched-deps.c functions.
8950 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8951 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8952 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8953 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8954 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8955 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8957 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8959 * sched-rgn.c (current_sched_info): Initialize flags field.
8960 (schedule_insns): Initialize current_sched_info before the sched_init
8962 * sched-ebb.c (current_sched_info): Initialize flags field.
8963 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8964 Call add_or_update_back_dep instead of add_dependence.
8965 Create control speculative dependencies.
8966 (schedule_insns): Initialize current_sched_info before the sched_init
8969 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8971 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8973 (sh_fallback_frame_state): Likewise.
8975 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8977 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8978 Do switch on default_use_cxa_atexit.
8979 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8980 * config/darwin-crt3.o: New.
8981 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8982 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8983 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8985 * config/rs6000/t-darwin: Move crt2.o building to here.
8986 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8987 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8990 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8992 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8993 from '! xxx' to '!xxx' for coding-style conformance.
8994 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8995 (EXTRA_CONSTRAINT): Likewise.
8996 * config/vax/vax.md (four unnamed insns): Likewise.
8998 2006-03-15 Paul Brook <paul@codesourcery.com>
9000 * config/arm/arm.c (minipool_pad): New.
9001 (add_minipool_forward_ref): Include pool alignment padding in address
9003 (push_minipool_fix): Set minipool_pad.
9004 (minipool_pad): Ditto.
9006 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
9008 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
9009 instead of GET_CODE() == MEM and REG_P() instead of
9011 (print_operand_address): Likewise.
9012 (vax_address_cost): Likewise.
9013 (vax_rtx_costs): Likewise.
9014 (vax_notice_update_cc): Likewise.
9015 (vax_output_int_add): Likewise.
9016 (INDEX_REGISTER_P): Likewise.
9017 (BASE_REGISTER_P): Likewise.
9018 (nonindexed_address_p): Likewise.
9019 (vax_mode_dependent_address_p): Likewise.
9020 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
9021 (PRINT_OPERAND): Likewise.
9022 * config/vax/vax.md (ashlsi3): Likewise.
9023 (ashlsi3): Likewise.
9024 (some more unnamed insns): Likewise.
9026 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
9028 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
9029 iterator-style macro.
9030 (mark_control_dependent_edges_necessary): Update the use of
9031 EXECUTE_IF_CONTROL_DEPENDENT.
9033 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
9035 * config/sh/predicates.md (cache_address_operand): Special.
9036 (ua_address_operand): Likewise.
9038 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
9040 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
9042 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
9044 2006-03-15 Andreas Schwab <schwab@suse.de>
9046 * gensupport.c (identify_predicable_attribute): Don't free p_false
9047 when it is still in use.
9049 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
9051 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
9052 the default setting here.
9054 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
9056 * tree-pass.h (pass_cfg): Remove.
9057 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
9058 * passes.c (pass_cfg): Don't run it.
9060 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
9062 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
9063 * reg-stack.c (stack_regs_mentioned_data): Change the type to
9065 (stack_regs_mentioned): Update the uses of
9066 stack_regs_mentioned_data. Don't access the array beyond its
9068 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
9069 Don't include gt-reg-stack.h.
9071 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
9072 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
9074 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
9077 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
9080 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9082 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
9084 2006-03-14 Richard Guenther <rguenther@suse.de>
9086 PR tree-optimization/26672
9087 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
9090 2006-03-14 Richard Guenther <rguenther@suse.de>
9092 PR tree-optimization/26667
9093 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
9094 node for the callees. Always allow inlining if it will shrink
9097 2006-03-14 Richard Guenther <rguenther@suse.de>
9100 * builtins.c (get_pointer_alignment): Prefer alignment
9101 information from decls over that from types.
9103 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
9106 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
9108 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
9110 * config/rs6000/rs6000.opt (mdlmzb): New option.
9111 (msched-prolog, msched-epilog): Use Var not Mask.
9112 * doc/invoke.texi (-mdlmzb): Document.
9113 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
9115 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
9116 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
9118 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
9120 PR rtl-optimization/25739
9121 * bt-load.c (augment_live_range): Free tos pointer.
9123 * gensupport.c (identify_predicable_attribute): Free
9125 * gcov.c (create_file_names): Free name pointer.
9127 2006-03-13 Roger Sayle <roger@eyesopen.com>
9130 * stmt.c (emit_case_nodes): Handle the case where the index is a
9131 CONST_INT, where the comparison mode is specified by the index type.
9133 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
9135 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
9138 2006-03-13 Richard Sandiford <richard@codesourcery.com>
9140 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
9141 (*branch_fp_inverted): Likewise.
9143 2006-03-13 Jakub Jelinek <jakub@redhat.com>
9146 * omp-low.c (expand_omp_for_generic): Mark istart0
9147 and iend0 as addressable.
9149 2006-03-13 Jie Zhang <jie.zhang@analog.com>
9151 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
9153 2006-03-13 Jeff Law <law@redhat.com>
9155 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
9156 virtual operands are interesting.
9157 (vrp_visit_stmt): Corresponding changes.
9159 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
9161 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
9163 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
9164 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
9165 * config/bfin/crti.S: Use it instead of __PIC__.
9166 * config/bfin/crtn.S: Likewise.
9168 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
9169 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
9171 Lose 'G' modifier for call operand.
9172 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
9173 recognize 'G' modifier.
9175 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
9178 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
9179 * stmt.c (expand_case): Likewise.
9181 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9183 PR rtl-optimization/26254
9184 * loop-invariant.c (seq_insns_valid_p): New function.
9185 (move_invariant_reg): Only emit new code if it is valid.
9187 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9189 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
9191 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
9192 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
9193 (commit_one_edge_insertion): Do not look for loop notes.
9195 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9197 * jump.c (follow_jumps): Do not check for loop notes. Move check for
9198 flag_test_coverage out of loop.
9200 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9202 * final.c (shorten_branches): Remove outdated comment, and turn
9203 the if branch that guards it to continue.
9205 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
9207 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
9208 * cfgloop.h (struct loop): Remove unused fields.
9210 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
9212 * doc/invoke.texi (-fdump-rtl-loop): Remove.
9213 (-dL, -fdump-rtl-loop2): Update the dump file names
9215 * doc/invoke.texi: Update dump file names.
9217 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
9219 * predict.c (estimate_probability): Remove.
9220 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
9221 * basic-block.h (estimate_probability): Remove prototype.
9222 * passes.c (finish_optimization_passes): Dump branch prediction or
9223 profiling heuristics to the .profile tree dump.
9224 (init_optimization_passes): Unqueue pass_branch_prob.
9226 * doc/invoke.texi (-fdump-rtl-bp): Remove.
9228 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9230 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
9231 * rtl.h (LABEL_NEXTREF): Remove field accessor.
9233 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
9235 * function.h (frame_offset_overflow): Declare.
9236 * function.c (frame_offset_overflow): New function.
9237 (assign_stack_local_1): Call it to detect that the offset overflows.
9238 * cfgexpand.c (alloc_stack_frame_space): Likewise.
9240 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
9242 * config/sh/sh.c: Include alloc-pool.h.
9243 (label_ref_list_pool): New alloc pool.
9244 (label_ref_list_t): New type for lists of labels.
9245 (struct pool_node): Make wend a label_ref_list_t.
9246 (add_constant): Use the new type, eradicate LABEL_NEXTREF
9248 (dump_table): Likewise.
9249 (sh_reorg): Set up the alloc pool before using add_constant and
9250 dump_table, and destroy it when finishing.
9252 2006-03-11 Richard Sandiford <richard@codesourcery.com>
9254 * config/mips/mips.c: Remove redundant comment.
9256 2006-03-10 Jason Merrill <jason@redhat.com>
9259 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
9260 the target was declared 'register'.
9262 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
9264 * genpreds.c (write_insn_constraint_len): Change definition of
9265 insn_constraint_len to return size_t to match the declaration.
9267 2006-03-10 DJ Delorie <dj@redhat.com>
9269 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
9271 (m32c_expand_insv): Fix test for an AND mask.
9273 2006-03-10 Richard Guenther <rguenther@suse.de>
9276 * builtins.c (get_pointer_alignment): Handle component
9277 references for field alignment.
9279 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9281 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
9282 when building with libgloss.
9283 (sh*elf): Implement --without-fp option.
9284 (sh64-superh-linux*): Don't multilib.
9286 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
9288 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
9290 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
9292 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
9293 Set it when one of the replacement functions returned true.
9294 Return TODO_cleanup_cfg if cfgchanged is true.
9295 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
9297 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
9299 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
9300 instead of gen_lowpart.
9302 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9304 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
9306 (mips_output_order_conditional_branch): Declare.
9307 * config/mips/mips.h (MIPS_BRANCH): New macro.
9308 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
9309 for the comparison. Use gen_condjump.
9310 (mips_output_conditional_branch): Rework interface to take the
9311 asm templates for a direct branch and the inverse of a direct branch.
9312 (mips_output_order_conditional_branch): New function.
9313 (mips_builtin_branch_and_move): New function.
9314 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
9315 branch condition. Use gen_single_cc as the condition for
9316 __builtin_mips_upper_* or __builtin_mips_lower_*.
9317 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
9318 Use VOIDmode for the branch condition.
9319 * config/mips/predicates.md (order_operator): New predicate.
9320 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
9321 (branch_fp): Rename to...
9322 (*branch_fp): ...this. Remove mode from comparison operator.
9323 Use new mips_output_conditional_branch interface.
9324 (branch_fp_inverted): Rename to...
9325 (*branch_fp_inverted): ...this and update as for *branch_fp.
9326 (*branch_zero<mode>): Rename to...
9327 (*branch_order<mode>): ...this. Remove mode from comparison operator.
9328 Use mips_output_order_conditional_branch. Only accept ordered
9330 (*branch_zero<mode>_inverted): Rename to...
9331 (*branch_order<mode>_inverted): ...this and update as for
9332 *branch_order<mode>.
9333 (*branch_equality<mode>): Accept zero as the second operand to
9334 the equality operator. Use the new mips_output_conditional_branch
9336 (*branch_equality<mode>_inverted): Likewise.
9337 (condjump): New expander.
9338 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
9340 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
9341 (bc1any2t, bc1any2f): Likewise.
9342 (single_cc): New expander.
9343 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
9345 2006-03-09 Richard Sandiford <richard@codesourcery.com>
9347 * doc/md.texi: Update documentation of MIPS constraints.
9348 * config/mips/constraints.md: New file.
9349 * config/mips/mips.md: Include it.
9350 * config/mips/mips.c (mips_char_to_class): Delete.
9351 (override_options): Don't initialize mips_char_to_class.
9352 * config/mips/mips.h (mips_char_to_class): Delete.
9353 (REG_CLASS_FROM_LETTER): Delete.
9354 (CONST_OK_FOR_LETTER_P): Delete.
9355 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
9356 (EXTRA_CONSTRAINT_Y): Delete.
9357 (EXTRA_CONSTRAINT_STR): Delete.
9358 (CONSTRAINT_LEN): Delete.
9359 (EXTRA_MEMORY_CONSTRAINT): Delete.
9361 2006-03-09 Diego Novillo <dnovillo@redhat.com>
9363 * tree-cfg.c (move_block_to_fn): Remove the statements from the
9364 original fn's eh regions.
9366 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
9368 * fold-const.c (build_range_check): Make sure to use a valid type to
9369 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
9372 (range_predecessor): New static function.
9373 (range_successor): Likewise.
9374 (merge_ranges): Use them to compute predecessors and successors of
9377 2006-03-09 Roger Sayle <roger@eyesopen.com>
9380 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
9381 X op C3, consider whether C3 overflows towards +Inf or -Inf.
9383 2006-03-08 DJ Delorie <dj@redhat.com>
9385 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
9386 (addpsi3): Expand to include memory operands. Remove
9387 reload-specific splits.
9388 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
9389 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
9390 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
9391 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
9392 (shift1_qi, shift1_hi, insv): New.
9393 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
9394 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
9395 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
9397 * config/m32c/m32c-protos.h: Update as needed.
9398 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
9399 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
9400 Fail for unrecognized R* constraints.
9401 (m32c_cannot_change_mode_class): Be more picky about pseudos.
9402 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
9403 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
9405 (m32c_init_libfuncs): New.
9406 (m32c_legitimate_address_p): Add debug wrapper.
9407 (m32c_rtx_costs): New.
9408 (m32c_address_cost): New.
9409 (conversions): Add 'B' prefix.
9410 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
9411 operands, or word regnames for QI operands. 'B' prints bit
9413 (m32c_expand_setmemhi): New.
9414 (m32c_expand_movmemhi): New.
9415 (m32c_expand_movstr): New.
9416 (m32c_expand_cmpstr): New.
9417 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
9418 (m32c_expand_neg_mulpsi3): Handle non-ints.
9419 (m32c_cmp_flg_0): New.
9420 (m32c_expand_movcc): New.
9421 (m32c_expand_insv): New.
9422 (m32c_scc_pattern): New.
9423 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
9424 a0/a1 out of SIregs.
9425 (STORE_FLAG_VALUE): New.
9426 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
9429 * config/m32c/mov.md: Make constraints more liberal.
9430 (zero_extendqihi2): Optimize r0/r1 case.
9431 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
9432 * config/m32c/predicates.md (m32c_any_operand): New.
9433 (m32c_nonimmediate_operand): New.
9434 (m32c_hl_operand): New.
9435 (m32c_r3_operand): New.
9438 (memsym_operand): New.
9439 (memimmed_operand): New.
9440 (a_qi_operand): New.
9441 (m32c_eqne_operator): New.
9442 (m32c_1bit8_operand): New.
9443 (m32c_1bit16_operand): New.
9444 (m32c_1mask8_operand): New.
9445 (m32c_1mask16_operand): New.
9446 * config/m32c/blkmov.md: New file.
9447 * config/m32c/t-m32c (MD_FILES): Add blkmov.
9449 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
9451 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
9452 unsigned to fix signed/unsigned comparison issue in
9453 DWARF2_FRAME_REG_OUT.
9454 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
9455 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
9457 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
9458 of ptr into the ENABLE_CHECKING section.
9460 2006-03-08 Jeff Law <law@redhat.com>
9462 * tree-vrp.c (infer_value_range): Only count pointer uses
9463 and dereferences if -fdelete-null-pointer-checks is enabled.
9465 * tree-vrp.c (find_assert_locations): Infer value ranges for
9466 single use pointers, but do not create ASSERT_EXPRs for them.
9467 When a non-null range is inferred for a pointer, backwards
9468 propagate that range to other equivalent pointers through the
9471 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
9474 * Makefile.in (dvi, html, install-info): Invoke the corresponding
9475 language hook targets.
9476 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
9477 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
9478 if language hook targets were missing.
9480 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
9482 * tree-ssa-opfinalize.h: Removed.
9483 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
9485 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
9486 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
9487 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
9488 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
9489 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
9490 finalize_ssa_v_must_def_ops): New.
9492 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
9494 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9497 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9499 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9501 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9502 addresses with offsets; reorganize.
9504 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9505 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9506 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9508 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9511 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9513 2006-03-08 Ben Elliston <bje@au.ibm.com>
9515 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9517 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9520 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9523 2006-03-07 Richard Guenther <rguenther@suse.de>
9525 PR tree-optimization/26587
9526 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9528 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9530 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9532 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9534 * hooks.c (hook_bool_mode_rtx_true): New function.
9535 * hooks.h (hook_bool_mode_rtx_true): Declare.
9536 * toplev.c (compile_file): Call output_shared_constant_pool.
9537 * varasm.c (shared_constant_pool): New variable.
9538 (assemble_start_function, assemble_end_function): Remove arguments
9539 from call to output_constant_pool.
9540 (create_constant_pool): New function, split out from...
9541 (init_varasm_status): ...here.
9542 (force_const_mem): Choose between the shared and per-function constant
9543 pools. Set current_function_uses_const_pool when reusing old entries
9544 as well as when creating new ones.
9545 (mark_constant): Ignore data argument.
9546 (mark_constants): Remove pool argument.
9547 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9548 to decide whether the function uses a constant pool.
9549 (output_constant_pool_contents): New function, split out from...
9550 (output_constant_pool): ...here.
9551 (output_shared_constant_pool): New function.
9552 (init_varasm_once): Initialize shared_constant_pool.
9553 * output.h (output_constant_pool): Delete.
9554 (output_shared_constant_pool): Declare.
9555 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9556 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9558 2006-03-06 Nick Clifton <nickc@redhat.com>
9560 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9561 flag_strength_reduce.
9563 2006-03-06 Ben Elliston <bje@au.ibm.com>
9565 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9566 x86_64-*-linux* configurations.
9568 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9569 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9571 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9573 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9575 * basic-block.h: Remove the extern for
9576 rediscover_loops_after_threading.
9578 * cfgloop.c (cancel_loop): Make it static.
9579 * cfgloop.h: Remove the prototype for cancel_loop.
9581 * flow.c (recompute_reg_usage): Make it static.
9582 * rtl.h: Remove the prototype for recompute_reg_usage.
9584 * function.c (use_return_register): Make it static.
9585 * function.h: Remove the prototype.
9587 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9589 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9591 * recog.h: Remove the prototype for
9592 validate_change_maybe_volatile.
9594 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9596 * rtlanal.c (replace_reg): Remove.
9597 * rtl.h: Remove the prototype for replace_reg.
9599 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9601 * regclass.c (reg_scan_update): Remove.
9602 (reg_scan_mark_refs): Remove the last argument.
9603 * rtl.h: Remove the prototype for reg_scan_update.
9605 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9607 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9608 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9609 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9610 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9611 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9612 loop-invariant.c, omp-low.c, opts.c, passes.c,
9613 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9614 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9615 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9616 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9617 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9618 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9620 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9622 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9623 * dwarf2out.h: Remove the prototype for
9624 dwarf2out_add_library_unit_info.
9626 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9628 * tree.c (add_var_to_bind_expr): Remove.
9629 * tree.h: Remove the prototype for add_var_to_bind_expr.
9631 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9633 * regclass.c (n_non_fixed_regs): Remove.
9634 (init_reg_sets_1, globalize_reg): Remove all uses of
9636 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9638 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9640 * rtlanal.c (insns_safe_to_move_p): Remove.
9641 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9643 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9645 * expmed.c (expand_mult_add): Remove.
9646 * expr.h: Remove the prototype for expand_mult_add.
9648 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9650 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9651 and REG_SAVED_VAL_EXP constants.
9652 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9653 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9654 Handle regs stored by value.
9655 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9656 (execute_cfa_program): Handle DW_CFA_val_offset,
9657 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9658 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9659 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9660 (uw_install_context_1): Handle target regs stored by value.
9662 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9664 * tree-sra.c (tree_sra): Return todoflags;
9665 (generate_one_element): Set TODO_update_smt_usage if needed.
9666 (pass_sra): Remove TODO_update_smt_usage.
9667 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9669 (tree_ssa_forward_propagate_single_use_vars): Return
9670 TODO_update_smt_usage if we need to update SMT usage.
9671 (pass_forwprop): Remove TODO_update_smt_usage.
9673 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9675 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9676 (correct_use_link): Remove reference to get_stmt_operands.
9677 (update_stmt_operands): Likewise.
9678 (get_modify_expr_operands): New function factored out of
9679 parse_ssa_operands and get_expr_operands.
9680 Try to create V_MUST_DEFs for LHS by default.
9681 (get_expr_operands) <case MODIFY_EXPR>: Call
9682 get_modify_expr_operands.
9683 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9684 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9685 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9686 get_modify_expr_operands.
9688 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9690 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9691 * tree-flow.h: Remove the prototype for
9692 referenced_var_lookup_if_exists.
9694 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9696 PR rtl-optimization/26345
9698 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9700 2006-03-03 Roger Sayle <roger@eyesopen.com>
9702 PR tree-optimization/26524
9703 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9704 fold_convert to create a constant of the appropriate type.
9706 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9708 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9709 SYMBOL_REF_IN_BLOCK_P.
9710 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9711 of SYMBOL_FLAG_IN_BLOCK.
9712 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9713 instead of SYMBOL_REF_IN_BLOCK_P.
9714 * explow.c (use_anchored_address): Likewise.
9715 * rtl.c (rtx_size): Likewise.
9716 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9717 instead of SYMBOL_FLAG_IN_BLOCK.
9718 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9719 SYMBOL_REF_IN_BLOCK_P.
9720 (assemble_variable): Likewise.
9721 (output_constant_def_contents): Likewise.
9722 (output_constant_pool): Likewise.
9723 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9724 instead of SYMBOL_FLAG_IN_BLOCK.
9725 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9726 SYMBOL_REF_IN_BLOCK_P.
9727 (SYMBOL_REF_BLOCK): Likewise.
9728 (SYMBOL_REF_OFFSET): Likewise.
9729 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9730 SYMBOL_REF_IN_BLOCK_P.
9731 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9732 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9733 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9734 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9736 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9738 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9740 2006-03-02 Roger Sayle <roger@eyesopen.com>
9742 * simplify-rtx.c (simplify_unary_operation): When simplifying
9743 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9744 that we perform the right shift in the appropriate mode, and
9745 then extend or truncate the result to requested mode.
9747 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9749 * gengtype.c (main): Handle double_int type.
9750 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9751 * double-int.c: New file.
9752 * double-int.h: New file.
9753 * system.h: Include doubleint.h.
9754 * Makefile.in (SYSTEM_H): Include double-int.h.
9755 (double-int.o): Add.
9757 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9760 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9763 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9765 * tree-vrp.c (remove_range_assertions): Do not update statements
9768 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9770 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9772 * gcse.c (rest_of_handle_gcse): Ditto.
9773 * except.c (gate_handle_eh): Ditto.
9774 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9775 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9777 2006-03-02 Eric Christopher <echristo@apple.com>
9779 * config/i386/i386.c (machopic_output_stub): Add indirection to
9782 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9786 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9788 Sun Niagara specific optimizations.
9789 * config.gcc: Recognize niagara as target.
9790 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9791 (TARGET_CPU_niagara): Define.
9792 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9793 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9794 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9795 (ASM_CPU_SPEC): Likewise.
9796 (PROCESSOR_NIAGARA): New enum entry.
9797 (REGISTER_MOVE_COST): Handle Niagara.
9798 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9799 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9800 (sparc_override_options): Recognize "niagara", set appropriate
9801 default MASK_* values for it, and align functions to 32-bytes
9802 by default just like ULTRASPARC/ULTRASPARC3.
9803 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9804 (sparc64_initialize_trampoline): Likewise.
9805 (sparc_use_sched_lookahead): Use zero for niagara.
9806 (sparc_issue_rate): Use one for niagara.
9807 * config/sparc/niagara.md: New file.
9808 * config/sparc/sparc.md: Include it.
9809 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9810 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9811 when default cpu is niagara.
9812 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9813 (ASM_CPU_SPEC): Likewise.
9814 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9815 when default cpu is niagara.
9816 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9817 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9818 just like v9/ultrasparc/ultrasparc3.
9819 * doc/invoke.texi: Add documentation for "niagara" and improve
9820 existing documentation for ultrasparc variants.
9822 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9824 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9826 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9828 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9829 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9830 and say that only one is needed.
9831 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9832 * target.h (have_switchable_bss_sections): New hook.
9833 * explow.c (use_anchored_address): Check that the symbol is in a block.
9834 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9835 (bss_noswitch_section): New variables.
9836 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9837 (get_noswitch_section): New function.
9838 (get_block_for_section): Allow SECT to be null.
9839 (unlikely_text_section_p): Use SECTION_STYLE.
9840 (bss_initializer_p): New function.
9841 (get_variable_section): Move earlier in file. Take a new argument,
9842 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9843 Return one of the new *_sections in such cases.
9844 (get_block_for_decl): New function, extracting some logic from
9845 use_blocks_for_decl_p.
9846 (change_symbol_section): Remove in favor of...
9847 (change_symbol_block): ...this new function.
9848 (use_blocks_for_decl_p): Remove checks now performed by
9850 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9851 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9852 (emit_local, emit_bss, emit_common): ...these new functions.
9853 Return true if the alignment was honored.
9854 (emit_tls_common): New function.
9855 (asm_emit_uninitialised): Delete.
9856 (assemble_variable_noswitch): New function, split out from...
9857 (assemble_variable): ...here. Don't make decisions about common
9858 variables here. Globalize all public decls that go into non-common
9859 sections. Check whether SYMBOL_REF_BLOCK is null.
9860 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9861 (output_constant_pool): Likewise.
9862 (init_varasm_once): Initialize the new section variables.
9863 (have_global_bss_p): New function.
9864 (categorize_decl_for_section): Use bss_initializer_p.
9865 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9866 (place_block_symbol): Assert that the symbol must be in a block.
9867 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9868 (TARGET_INITIALIZER): Include it.
9869 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9870 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9871 (SECTION_MACH_DEP): Bump by two.
9872 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9873 (unnamed_section): Mention SECTION_UNNAMED in comment.
9874 (named_section): Likewise SECTION_NAMED.
9875 (noswitch_section_callback): New type.
9876 (noswitch_section): New structure.
9877 (section): Add a noswitch_section alternative.
9878 (SECTION_STYLE): New macro.
9879 (tls_comm_section, comm_section, lcomm_section): Declare.
9880 (bss_noswitch_section, have_global_bss_p): Declare.
9881 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9882 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9884 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9885 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9888 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9890 * tree-vrp.c (execute_vrp): Return value.
9891 * regrename.c (rest_of_handle_regrename): Ditto.
9892 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9893 * tree-complex.c (tree_lower_complex): Ditto.
9894 (tree_lower_complex_O0): Ditto.
9895 * tracer.c (rest_of_handle_tracer): Ditto.
9896 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9897 * postreload.c (rest_of_handle_postreload): Ditto.
9898 * tree-tailcall.c (execute_tail_recursion): Ditto.
9899 (execute_tail_calls): Ditto.
9900 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9901 * tree.h (init_function_for_compilation): Ditto.
9902 * ipa-cp.c (ipcp_driver): Ditto.
9903 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9904 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9905 * final.c (compute_alignments): Ditto.
9906 (rest_of_handle_final): Ditto.
9907 (rest_of_handle_shorten_branches): Ditto.
9908 (rest_of_clean_state): Ditto.
9909 * omp-low.c (execute_expand_omp): Ditto.
9910 (execute_lower_omp): Ditto.
9911 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9912 * ipa-reference.c (static_execute): Ditto.
9913 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9914 * reorg.c (rest_of_handle_delay_slots): Ditto.
9915 (rest_of_handle_machine_reorg): Ditto.
9916 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9917 * flow.c (recompute_reg_usage): Ditto.
9918 (rest_of_handle_remove_death_notes): Ditto.
9919 (rest_of_handle_life): Ditto.
9920 (rest_of_handle_flow2): Ditto.
9921 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9922 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9923 (do_ssa_store_ccp): Ditto.
9924 (execute_fold_all_builtins): Ditto.
9925 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9926 * modulo-sched.c (rest_of_handle_sms): Ditto.
9927 * ipa-pure-const.c (static_execute): Ditto.
9928 * cse.c (rest_of_handle_cse): Ditto.
9929 (rest_of_handle_cse2): Ditto.
9930 * web.c (rest_of_handle_web): Ditto.
9931 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9932 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9933 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9934 * tree-nrv.c (tree_nrv): Ditto.
9935 (execute_return_slot_opt): Ditto.
9936 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9937 (create_structure_vars): Ditto.
9938 * loop-init.c (rtl_loop_init): Ditto.
9939 (rtl_loop_done): Ditto.
9940 (rtl_move_loop_invariants): Ditto.
9941 (rtl_unswitch): Ditto.
9942 (rtl_unroll_and_peel_loops): Ditto.
9943 (rtl_doloop): Ditto.
9944 * gimple-low.c (lower_function_body): Ditto.
9945 (mark_used_blocks): Ditto.
9946 * tree-ssa-sink.c (execute_sink_code): Ditto.
9947 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9948 (cgraph_early_inlining): Ditto.
9949 * global.c (rest_of_handle_global_alloc): Ditto.
9950 * jump.c (cleanup_barriers): Ditto.
9951 (purge_line_number_notes): Ditto.
9952 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9953 (rest_of_handle_if_after_reload): Ditto.
9954 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9955 (tree_ssa_loop_im): Ditto.
9956 (tree_ssa_loop_unswitch): Ditto.
9957 (tree_vectorize): Ditto.
9958 (tree_linear_transform): Ditto.
9959 (tree_ssa_loop_ivcanon): Ditto.
9960 (tree_ssa_empty_loop): Ditto.
9961 (tree_ssa_loop_bounds): Ditto.
9962 (tree_complete_unroll): Ditto.
9963 (tree_ssa_loop_prefetch): Ditto.
9964 (tree_ssa_loop_ivopts): Ditto.
9965 (tree_ssa_loop_done): Ditto.
9966 * predict.c (tree_estimate_probability): Ditto.
9967 * recog.c (split_all_insns_noflow): Ditto.
9968 (rest_of_handle_peephole2): Ditto.
9969 (rest_of_handle_split_all_insns): Ditto.
9970 * tree-eh.c (lower_eh_constructs): Ditto.
9971 * regmove.c (rest_of_handle_regmove): Ditto.
9972 (rest_of_handle_stack_adjustments): Ditto.
9973 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9974 * function.c (instantiate_virtual_regs): Ditto.
9975 (init_function_for_compilation): Ditto.
9976 (rest_of_handle_check_leaf_regs): Ditto.
9977 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9978 (rest_of_handle_gcse): Ditto.
9979 * ipa-type-escape.c (type_escape_execute): Ditto.
9980 * alias.c (rest_of_handle_cfg): Ditto.
9981 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9982 * profile.c (rest_of_handle_branch_prob): Ditto.
9983 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9984 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9985 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9986 * tree-dfa.c (find_referenced_vars): Ditto.
9987 * except.c (set_nothrow_function_flags): Ditto.
9988 (convert_to_eh_region_ranges): Ditto.
9989 (rest_of_handle_eh): Ditto.
9990 * emit-rtl.c (unshare_all_rtl): Ditto.
9991 (remove_unnecessary_notes): Ditto.
9992 * except.h (set_nothrow_function_flags): Ditto.
9993 (convert_to_eh_region_ranges): Ditto.
9994 * cfgexpand.c (tree_expand_cfg): Ditto.
9995 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9996 * tree-ssa-pre.c (do_pre): Ditto.
9997 (execute_fre): Ditto.
9998 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9999 (rest_of_handle_jump2): Ditto.
10000 * tree-sra.c (tree_sra): Ditto.
10001 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
10002 (execute_mudflap_function_decls): Ditto.
10003 * tree-ssa-copy.c (do_copy_prop): Ditto.
10004 (do_store_copy_prop): Ditto.
10005 * ipa-prop.h (ipcp_driver): Ditto.
10006 * cfglayout.c (insn_locators_initialize): Ditto.
10007 * tree-ssa-forwprop.c
10008 (tree_ssa_forward_propagate_single_use_vars): Ditto.
10009 * cfglayout.h (insn_locators_initialize): Ditto.
10010 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
10011 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
10012 (execute_late_warn_uninitialized): Ditto.
10013 * rtl.h (cleanup_barriers): Ditto.
10014 (split_all_insns_noflow): Ditto.
10015 (purge_line_number_notes): Ditto.
10016 (unshare_all_rtl): Ditto.
10017 (remove_unnecessary_notes): Ditto.
10018 (recompute_reg_usage): Ditto.
10019 (variable_tracking_main): Ditto.
10020 * integrate.c (emit_initial_value_sets): Ditto.
10021 * integrate.h (emit_initial_value_sets): Ditto.
10022 * tree-optimize.c (execute_free_datastructures): Ditto
10023 (execute_free_cfg_annotations): Ditto.
10024 (execute_fixup_cfg): Ditto.
10025 (execute_cleanup_cfg_pre_ipa): Ditto.
10026 (execute_cleanup_cfg_post_optimizing): Ditto.
10027 (execute_init_datastructures): Ditto.
10028 * tree-object-size.c (compute_object_sizes): Ditto.
10029 * combine.c (rest_of_handle_combine): Ditto.
10030 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
10031 * bb-reorder.c (duplicate_computed_gotos): Ditto.
10032 (rest_of_handle_reorder_blocks): Ditto.
10033 (rest_of_handle_partition_blocks): Ditto.
10034 * var-tracking.c (variable_tracking_main): Ditto.
10035 * tree-profile.c (tree_profiling): Ditto.
10036 * tree-vect-generic.c (expand_vector_operations): Ditto.
10037 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
10038 * sched-rgn.c (rest_of_handle_sched): Ditto.
10039 (rest_of_handle_sched2): Ditto.
10040 * basic-block.h (free_bb_insn): Ditto.
10041 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
10042 * tree-cfg.c (execute_build_cfg): Ditto.
10043 (remove_useless_stmts): Ditto.
10044 (split_critical_edges): Ditto.
10045 (execute_warn_function_return): Ditto.
10046 (execute_warn_function_noreturn): Ditto.
10047 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
10048 * cfgrtl.c (free_bb_for_insn): Ditto.
10049 * passes.c (execute_one_pass): Run additional
10050 todos returned by execute function.
10051 * tree-pass.h (struct tree_opt_pass): Make execute
10054 2006-03-02 Richard Guenther <rguenther@suse.de>
10056 * tree-ssa-alias.c (find_used_portions): Consider taking
10057 the address as making the variable not write-only.
10059 2006-03-02 Nick Clifton <nickc@redhat.com>
10061 * config.gcc (default_use_cxa_atexit): Extend the description of
10062 this configure variable. Set its default value to "yes" for
10063 Linux, NetBSD and ELF targets on the assumption that they will
10064 use C libraries with the __cxa_atexit function.
10066 2006-03-02 Ben Elliston <bje@au.ibm.com>
10068 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
10069 parameter as unused to suppress a build warning.
10071 2006-03-02 Ben Elliston <bje@au.ibm.com>
10073 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
10076 2006-03-01 Roger Sayle <roger@eyesopen.com>
10079 * gthr-posix.h (__gthrw2): Define to take three parameters, the
10080 declared name, the weak reference name, and the typeof name.
10081 (__gthrw): Avoid expanding the declared name suffix.
10082 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
10084 2006-03-01 Jakub Jelinek <jakub@redhat.com>
10086 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
10088 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
10089 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
10090 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
10091 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
10092 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
10093 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
10094 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
10095 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
10096 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
10097 DW_DS_leading_separate, DW_DS_trailing_separate): New.
10098 (DW_END_default, DW_END_big, DW_END_little): New.
10099 (DW_END_lo_user, DW_END_hi_user): Define.
10100 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
10101 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
10102 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
10105 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10107 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
10109 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
10111 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
10113 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
10115 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
10116 to 'symbol_mem_tag'.
10118 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
10121 2006-03-01 Roger Sayle <roger@eyesopen.com>
10123 * builtins.c (fold_builtin_copysign): Delete unreachable code.
10125 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10128 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
10129 MACHO_DYNAMIC_NO_PIC_P.
10130 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
10132 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10135 * config/darwin-protos.h (darwin_asm_output_anchor):
10137 * config/darwin-sections.def (cstring_section):
10138 Add SECTION_MERGE to the flags.
10139 (literal4_section): Likewise.
10140 (literal8_section): Likewise.
10141 (objc_selector_refs_section): Likewise.
10142 (objc_cls_refs_section): Likewise.
10143 * config/darwin.c (darwin_asm_output_anchor): New
10145 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10147 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
10149 Fix PR tree-optimization/26443
10150 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
10151 to todo and PROP_tmt_usage to properties_destroyed.
10152 * tree-ssa-ccp.c (pass_ccp): Ditto.
10153 (pass_store_ccp): Ditto.
10154 * tree-ssa-dom.c (pass_dominator): Ditto.
10156 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10158 * tree-ssa-operands.c: Cleanup whitespace.
10159 (get_asm_expr_operands): Move before first invocation.
10160 (get_indirect_ref_operands): Likewise.
10161 (get_tmr_operands): Likewise.
10162 (get_call_expr_operands): Likewise.
10163 (append_def): Likewise.
10164 (append_use): Likewise.
10165 (append_v_may_def): Likewise.
10166 (append_v_must_def): Likewise.
10167 (add_call_clobber_ops): Likewise.
10168 (add_call_read_ops): Likewise.
10169 (add_stmt_operand): Likewise.
10170 (add_virtual_operand): Likewise.
10171 (build_ssa_operands): Likewise.
10173 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
10175 PR middle-end/26022
10177 PR middle-end/24437
10178 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
10179 with a call expr to ...
10180 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
10182 2006-03-01 Diego Novillo <dnovillo@redhat.com>
10184 * tree-vrp.c (extract_range_from_assert): Remove special
10185 handling for types with super-types.
10187 2006-03-01 Ben Elliston <bje@au.ibm.com>
10189 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
10190 and powerpc64-*-linux* configurations.
10191 * config/t-dfprules: New file.
10193 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
10194 Compile dfp-bit.c from the source directory using -DWIDTH and
10195 $DFP_CFLAGS to control the compilation of that file, rather than
10196 generating width-specific versions in the build directory.
10197 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
10198 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
10200 2006-02-28 Zack Weinberg <zackw@panix.com>
10202 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
10205 2006-02-28 Eric Christopher <echristo@apple.com>
10207 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
10208 Set up IN_LIBGCC definition of TARGET_64BIT.
10209 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
10211 2006-02-28 Roger Sayle <roger@eyesopen.com>
10213 PR middle-end/14752
10214 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
10215 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
10216 cases via the construction of "expr != 0".
10218 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
10220 * alias.c (alias_invariant, alias_invariant_size): Remove.
10221 (record_base_value): Remove.
10222 (memrefs_conflict_p): Don't look at alias_invariant.
10223 (end_alias_analysis): Don't free it.
10224 * alias.h (record_base_value): Remove prototype.
10226 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
10227 Adam Nemet <anemet@caviumnetworks.com>
10229 * rtl.h (truncated_to_mode): Declare it.
10230 (struct rtl_hooks): Add reg_truncated_to_mode hook.
10231 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
10232 (RTL_HOOKS_INITIALIZER): Include it.
10233 * rtlhooks.c (reg_truncated_to_mode_general): New function.
10234 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
10235 reg_truncated_to_mode.
10236 * rtlanal.c (truncated_to_mode): Define it.
10237 * simplify-rtx.c (simplify_unary_operation_1): Use it.
10239 2006-02-28 Jeff Law <law@redhat.com>
10241 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
10242 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
10243 the range allowed by TYPE_PRECISION.
10245 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
10247 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
10249 PR tree-optimization/26419
10250 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
10253 2006-02-27 Zack Weinberg <zackw@panix.com>
10255 * doc/md.texi: Fix typo in previous change.
10257 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
10261 2006-02-27 Zack Weinberg <zackw@panix.com>
10263 * rtl.def (define_constraint, define_register_constraint)
10264 (define_memory_constraint, define_address_constraint): New MD forms.
10265 * gensupport.c (process_rtx): Put define_constraint etc on the
10267 * genpreds.c (process_define_predicate): Adjust comment. Validate
10268 the name, and call validate_exp to validate the expression.
10269 (mark_mode_tests, write_extract_subexp): Can assume correct input.
10270 (write_predicate_expr): Likewise. NAME argument no longer necessary;
10271 all callers changed.
10272 (validate_exp, needs_variable, struct constraint_data)
10273 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
10274 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
10275 (const_dbl_constraints, constraint_max_namelen)
10276 (have_register_constraints, have_memory_constraints)
10277 (have_address_constraints, have_address_constraints)
10278 (have_extra_constraints, have_const_int_constraints)
10279 (have_const_dbl_constraints, mangle, add_constraint)
10280 (process_define_constraint, process_define_register_constraint)
10281 (write_enum_constraint_num, write_lookup_constraint)
10282 (write_insn_constraint_len, write_regclass_for_constraint)
10283 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
10284 (write_insn_extra_memory_constraint)
10285 (write_insn_extra_address_constraint)
10286 (write_satisfies_constraint_fns): New.
10287 (write_tm_preds_h): If we have new-style constraint definitions,
10288 prototype the functions generated from them, and define the
10289 old constraint interface (still used by generic code) in terms of
10291 (write_insn_preds_c): If we have new-style constraint definitions,
10292 generate all relevant functions from those definitions.
10293 (main): Handle define_constraint etc.
10294 * genoutput.c (struct constraint_data, indep_constraints)
10295 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
10296 (mdep_constraint_len): New data structures and functions, defined
10297 #ifdef USE_MD_CONSTRAINTS.
10298 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
10299 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
10300 use new logic to validate operand constraints against constraint
10302 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
10304 * defaults.h: If none of the old-style constraint macros are
10305 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
10306 old-style macros; and poison REG_CLASS_FROM_LETTER,
10307 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
10309 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
10310 * doc/md.texi: Document new constraint-definition mechanism and the
10311 C interface it provides. Remove references to old mechanism
10312 elsewhere in the document.
10313 (Machine Constraints): Use pathnames relative to gcc directory,
10314 i.e. config/ARCH/FILE. Change i386 section to refer to
10315 config/i386/predicates.md; update that section to match docstrings.
10316 * doc/tm.texi: Move all documentation of the old constraint-
10317 definition macros to their own section, clearly mark as obsolete.
10319 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
10320 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
10322 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
10323 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
10324 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
10325 constraint strings.
10326 (splits and peepholes): Use satisfies_constraint_*.
10327 * config/i386/i386.c (memory_address_length)
10328 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
10330 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10332 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
10333 scalar operation to be put back into the loop.
10335 2006-02-27 Jakub Jelinek <jakub@redhat.com>
10338 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
10339 (extract_cie_info): Handle S flag in augmentation string.
10340 (execute_cfa_program): If context->signal_frame, execute also
10341 fs->pc == context->ra instructions.
10342 (uw_frame_state_for): If context->signal_frame, don't subtract one
10343 from context->ra to find FDE.
10344 (uw_update_context_1): Set context->signal_frame to
10346 (_Unwind_GetIPInfo): New function.
10347 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
10348 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
10350 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
10351 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
10352 * unwind-compat.c (_Unwind_GetIPInfo): New function.
10353 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
10354 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
10355 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
10356 * config/i386/linux-unwind.h (x86_fallback_frame_state,
10357 x86_64_fallback_frame_state): Set fs->signal_frame.
10358 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
10359 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
10360 (frob_update_context): Likewise. Workaround missing S flag in
10361 Linux 2.6.12 - 2.6.16 kernel vDSOs.
10362 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
10363 Remove the psw_addr + 1 hack.
10365 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
10367 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
10368 with aggregates here.
10369 (find_func_aliases): Remove code for &<aggregate> from here.
10371 2006-02-26 Roger Sayle <roger@eyesopen.com>
10373 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
10374 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
10375 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
10376 as (X & C) ne/eq 0.
10378 2006-02-26 Roger Sayle <roger@eyesopen.com>
10380 PR middle-end/19983
10381 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
10383 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
10385 * opts.c (decode_options): Do not handle flag_strength_reduce.
10386 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
10387 and OPT_fstrength_reduce.
10388 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
10389 flag_prefetch_loop_arrays for being nonzero.
10390 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
10392 (fprefetch-loop-arrays-rtl): Removed.
10393 (flag_prefetch_loop_arrays): Do not specify the value.
10395 * doc/passes.texi: Update documentation of loop optimizer
10397 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
10398 -frerun-loop-opt): Remove.
10400 2006-02-26 Richard Guenther <rguenther@suse.de>
10402 PR tree-optimization/26421
10403 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
10404 in function calls that are ADDR_EXPRs as using the whole structure.
10406 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
10408 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
10409 * tree-pass.h (pass_loop_optimize): Remove.
10410 * passes.c (pass_loop_optimize): Never run it.
10411 * toplev.c (backend_init): Don't call init_loop.
10412 * opts.c (flag_loop_optimize_set): Remove.
10413 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
10414 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
10415 the old RTL loop optimizer when profiling enabled.
10416 * predict.c (tree_estimate_probability): Always strip builtin_expect.
10417 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
10418 pre-headers for the sake of the old RTL loop optimizer.
10419 * Makefile.in: Remove all references to loop.o.
10421 * doc/invoke.texi: Remove all references to -floop-optimize
10422 and -frerun-loop-opt.
10424 2006-02-26 Zack Weinberg <zackw@panix.com>
10426 * doc/md.texi (Machine Constraints): Refer to all files with paths
10427 relative to gcc directory (i.e. config/CPU/file). Add missing
10428 @table @code ... @end table to M32C subsection.
10430 2006-02-26 Roger Sayle <roger@eyesopen.com>
10432 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
10434 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
10436 2006-02-26 Roger Sayle <roger@eyesopen.com>
10437 James A. Morrison <phython@gcc.gnu.org>
10439 PR middle-end/21137
10440 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
10441 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
10442 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
10443 signedness of the shift operation.
10445 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
10447 PR tree-optimization/26359
10448 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
10450 2006-02-25 Roger Sayle <roger@eyesopen.com>
10452 * simplify-rtx.c (simplify_relational_operation_1): Simplify
10453 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
10454 as X == 0, and some symmetry related transformations.
10455 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
10457 2006-02-25 Roger Sayle <roger@eyesopen.com>
10459 PR middle-end/23673
10460 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
10461 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
10462 symmetry related transformations. Fold (X^C1) == C2 as
10465 2006-02-25 Juergen Weigert <jw@suse.de>
10466 Richard Guenther <rguenther@suse.de>
10468 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
10470 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
10472 * combine.c (gen_lowpart_or_truncate): Call
10473 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
10475 2006-02-24 Diego Novillo <dnovillo@redhat.com>
10477 * doc/invoke.texi: Move -fopenmp description to "Options for
10479 Remove reference to -lgomp.
10481 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10483 * doc/install.texi: Require GNU tar version 1.14.
10485 2006-02-24 Geoffrey Keating <geoffk@apple.com>
10487 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
10488 * doc/invoke.texi (C++ Dialect Options): Document
10489 -fno-use-cxa-get-exception-ptr.
10490 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
10491 * configure: Regenerate.
10492 * c.opt (fuse-cxa-get-exception-ptr): New.
10493 * c-opts.c (c_common_handle_option): Handle
10494 OPT_fuse_cxa_get_exception_ptr.
10495 * c-common.c (flag_use_cxa_atexit): Update documentation.
10496 (flag_use_cxa_get_exception_ptr): New.
10497 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10498 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10500 (C_COMMON_OVERRIDE_OPTIONS): New.
10502 2006-02-24 Roger Sayle <roger@eyesopen.com>
10504 PR middle-end/24952
10505 * combine.c (try_combine): Explicitly check whether GET_CODE is
10506 a SET or a CLOBBER, instead on checking that it isn't a USE.
10508 2006-02-24 Roger Sayle <roger@eyesopen.com>
10510 * fold-const.c (fold_comparison): New subroutine of fold_binary
10511 containing transformations common to both the equality and
10512 ordering relational operators, factored out of fold_binary.
10513 (fold_binary): Separate out the equality operators (EQ_EXPR
10514 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10515 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10516 transformations common to both.
10517 (fold_div_compare): Fix latent bugs in the previously unreachable
10518 LT_EXPR and GE_EXPR cases.
10520 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10522 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10523 decl libname for clog to __clog on AIX.
10525 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10527 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10530 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10531 output traceback table for thunks. Localise rs6000_stack_info call.
10533 2006-02-23 Roger Sayle <roger@eyesopen.com>
10534 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10536 * gthr-posix.h (__gthrw): Fix typo in comment.
10538 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10540 * doc/cpp.texi (Character sets): Document that we do support
10541 input files to be in any character set.
10543 2006-02-23 Jeff Law <law@redhat.com>
10545 * tree.h (PHI_ARG_NONZERO): Remove.
10546 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10547 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10548 node to the new node.
10550 PR tree-optimization/26425
10551 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10552 min/max, then assume its varying.
10554 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10556 PR rtl-optimization/26316
10557 * rtlanal.c (enum may_trap_p_flags): New.
10558 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10559 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10560 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10561 (may_trap_after_code_motion_p): New function.
10562 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10563 (find_invariant_insn): Use may_trap_after_code_motion_p.
10564 * rtl.h (may_trap_after_code_motion_p): Declare.
10566 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10568 * emit-rtl.c (immed_double_const): Cleanup.
10570 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10572 Fix PR tree-optimization/26376
10573 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10576 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10578 PR middle-end/26412
10579 * gimplify.c (omp_add_variable): Guard variable size decl test with
10580 DECL_SIZE (decl) check.
10582 2006-02-23 Richard Guenther <rguenther@suse.de>
10584 PR middle-end/26439
10585 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10586 like aggregate types.
10588 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10590 * configure.ac: Add --with{,out}-long-double-128 configure option.
10591 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10592 * configure: Rebuilt.
10593 * config.in: Rebuilt.
10594 * doc/install.texi (Options specification): Document
10595 --with-long-double-128.
10597 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10598 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10599 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10600 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10602 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10604 * config/s390/s390.c (override_options): Handle
10605 TARGET_DEFAULT_LONG_DOUBLE_128.
10607 * config/alpha/alpha.c (override_options): Handle
10608 TARGET_DEFAULT_LONG_DOUBLE_128.
10610 * config/sparc/sparc.c (sparc_override_options): Handle
10611 TARGET_DEFAULT_LONG_DOUBLE_128.
10613 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10615 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10616 (real-install-headers-tar, real-install-headers-cpio)
10617 (real-install-headers-cp): New targets.
10619 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10621 * tree.h (variable_section): Delete.
10622 * varasm.c (variable_section): Delete.
10624 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10626 * install.texi: Add notes on install.texi2html.
10627 (Building in parallel): Do not use footnotes.
10629 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10632 * doc/install.texi (Configuration): Document --disable-libgomp.
10634 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10636 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10638 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10640 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10641 (vec_extractv2df_0_sse): New.
10643 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10645 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10646 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10647 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10648 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10649 to the result of the expression.
10650 (def_cfa_1): Adjust.
10651 (frame_pointer_cfa_offset): Rename to...
10652 (frame_pointer_fb_offset): ... this. Adjust all uses.
10653 (convert_cfa_to_loc_list): Rename to...
10654 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10655 Pass it on to build_cfa_loc.
10656 (compute_frame_pointer_to_cfa_displacement): Rename to...
10657 (compute_frame_pointer_to_fb_displacement): ... this. New
10658 offset parameter. Use it in computation.
10659 (gen_subprogram_die): Compute cfa_fb_offset with the new
10660 macro, and use it to compute the fb loc list and the
10663 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10665 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10666 replaced with register_operand.
10667 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10668 non-DREG is expensive.
10669 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10670 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10673 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10675 * doc/install.texi2html: Use set -e.
10677 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10679 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10680 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10681 * doc/invoke.texi (-fshared-data): Delete.
10682 * common.opt (fshared-data): Delete.
10683 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10684 (assemble_static_space): Remove #if 0 code.
10685 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10686 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10687 * config/cris/cris.h: Remove FIXME.
10689 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10691 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10694 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10696 PR middle-end/26379
10697 * combine.c (simplify_shift_const_1): Disable nested shifts
10698 optimization for vector shifts.
10700 2006-02-20 Roger Sayle <roger@eyesopen.com>
10702 PR tree-optimization/26361
10703 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10704 of unsigned integer types.
10706 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10708 * tree-chrec.c (eq_evolutions_p): New.
10709 * tree-chrec.h (eq_evolutions_p): Declared.
10710 * tree-data-ref.c: Fix formatting.
10711 (datadep_stats, dependence_stats): New.
10713 (print_direction_vector): New.
10714 (dump_data_dependence_relation): Use print_direction_vector.
10715 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10716 (compute_subscript_distance): Static.
10717 (initialize_data_dependence_relation): Static. Get the number
10718 of loops surrounding the references from the callers, and initialize
10719 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10720 base_object_differ_p analyzers.
10721 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10722 compute_overlap_steps_for_affine_1_2,
10723 analyze_subscript_affine_affine): Count the classified dependences.
10724 Print a message when a test failed.
10725 (can_use_analyze_subscript_affine_affine): New.
10726 (analyze_siv_subscript): Compute the data dependences on symbolic
10727 scevs that verify can_use_analyze_subscript_affine_affine.
10728 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10729 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10730 Handle symbolic scevs.
10731 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10733 (subscript_dependence_tester): Moved...
10734 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10735 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10736 DDR_SIZE_VECT instead of getting it in parameter.
10737 (subscript_dependence_tester): ... here. Take as a parameter
10738 loop_nest_depth. Call build_classic_dist_vector and
10739 build_classic_dir_vector.
10740 (compute_affine_dependence): Update subscript_dependence_tester
10741 parameters. Update datadep_stats counters. Call
10742 compute_subscript_distance.
10743 (compute_self_dependence): Save the dist and dir vectors. Call
10744 compute_subscript_distance.
10745 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10746 (compute_all_dependences): Reorder parameters as they were before
10747 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10748 compute_subscript_distance. Update the use of
10749 compute_affine_dependence and initialize_data_dependence_relation.
10750 (find_data_references_in_loop): Handle COMPONENT_REF.
10751 (compute_data_dependences_for_loop): Initialize dependence_stats.
10752 Don't call build_classic_dist_vector and build_classic_dir_vector.
10753 Update the parameters of initialize_data_dependence_relation and
10754 compute_all_dependences. Print the statistics from datadep_stats.
10755 (analyze_all_data_dependences): Static. Not used until the pass for
10756 checking the data dependences is contributed.
10757 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10758 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10759 (initialize_data_dependence_relation, compute_affine_dependence,
10760 analyze_all_data_dependences, compute_subscript_distance): Removed.
10761 (print_direction_vector): New.
10762 * lambda.h (gcd): ... here.
10763 (lambda_vector_gcd): Moved here from gcd_vector.
10764 * lambda-code.c (gcd, gcd_vector): Removed.
10765 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10766 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10768 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10770 * ipa-type-escape.c: Tidy some comments and white space.
10771 * tree-ssa-operands.c: Likewise.
10773 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10776 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10777 (dump_decl_name): Do not walk the decl tree chains.
10778 * tree-pass.h (TDF_CHAIN): Remove.
10780 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10782 * Makefile.in (C): Remove
10784 (.PHONY): Remove C and PROTO
10786 2006-02-20 Roger Sayle <roger@eyesopen.com>
10788 PR middle-end/26236
10789 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10790 deprecated CHAR_TYPE tree code.
10792 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10794 * configure.ac (target_list): Add install-info, dvi, html.
10795 * configure: Regenerate.
10797 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10798 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10799 treelang/Make-lang.in: Do not use double-colon rules.
10801 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10803 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10804 (TMT_USED_ALONE): New macro.
10805 * tree-pass.h (PROP_tmt_usage): New property.
10806 (TODO_update_tmt_usage): New todo.
10807 * tree-ssa-alias.c (updating_used_alone): New variable.
10808 (recalculate_used_alone): New function.
10809 (compute_may_aliases): Set updating_used_alone, call
10810 recalculate_used_alone.
10811 * tree-sra.c (pass_sra): Note that this pass destroys
10812 PROP_tmt_usage, and add TODO_update_tmt_usage.
10813 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10814 * tree-flow.h (updating_used_alone): Prototype.
10815 (recalculate_used_alone): Ditto.
10816 * passes.c (execute_todo): Add code to set updating_used_alone,
10817 and call recalculate.
10818 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10819 for clobber if used alone, and add assert to verify used_alone
10822 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10824 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10825 for non tls symbols added.
10826 (legitimize_address): Do nothing for PLUS expressions if one of the
10827 addends is a tls symbol reference.
10829 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10833 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10835 * Makefile.in (BOOTSTRAPPING): New.
10836 (quickstrap): New definition if BOOTSTRAPPING=yes.
10838 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10839 * configure.ac: Substitute all_selected_languages with the languages
10840 that were configured. For all the other variables except
10841 lang_specs_files, include all the languages in the tree.
10842 * configure: Regenerate.
10844 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10845 if there is one. Run the commands to run fixincludes in the same
10848 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10849 * doc/install.texi: Document exact conventions for searching target tools.
10850 Document --with-build-time-tools. Document toplevel bootstrap. Document
10851 something more about building an Ada cross-compiler. Don't list GNU Make
10852 requirements which affect all platforms.
10854 2006-02-19 Roger Sayle <roger@eyesopen.com>
10856 PR middle-end/19543
10857 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10858 only equivalent if the have both the same mode and precision.
10860 2006-02-20 Ben Elliston <bje@au.ibm.com>
10862 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10864 2006-02-19 Roger Sayle <roger@eyesopen.com>
10865 Steven Bosscher <stevenb.gcc@gmail.com>
10867 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10868 constant pool references to identify stack mode constants.
10869 * rtlanal.c (constant_pool_constant_p): New predicate to check
10870 whether operand is a floating point constant in the pool.
10871 * rtl.h (constant_pool_constant_p): Prototype here.
10872 * loop.c (scan_loop): Avoid hoisting constants from the constant
10873 pool on STACK_REGS targets.
10874 (load_mems): Likewise.
10875 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10876 loads into x87 registers expensive in terms of register pressure.
10878 2006-02-19 Roger Sayle <roger@eyesopen.com>
10880 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10881 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10883 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10885 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10886 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10888 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10890 * doc/invoke.texi: Document -fipa-pta.
10891 * common.opt: Add ipa-pta option.
10892 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10893 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10894 (do_ds_constraint): Ditto.
10895 (get_constraint_for): Only add to referenced_vars if
10896 referenced_vars exists.
10897 (insert_into_field_list): Rewrite to do this unsorted.
10898 (insert_into_field_list_sorted): Rename old insert_into_field_list
10900 (create_function_info_for): Use insert_into_field_list_sorted.
10901 (create_variable_info_for): Rewrite so it uses unsorted version,
10902 since the field list is sorted.
10903 (intra_create_variable_infos): Only add to referenced_vars if
10904 referenced_vars exists.
10905 (ipa_pta_execute): Init heapvars, and delete when done.
10906 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10908 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10910 * doc/install.texi: Add missing `@samp'.
10912 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10914 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10917 2006-02-18 Mark Wielaard <mark@klomp.org>
10919 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10920 who added new 4.1 features, bug fixes and integration support.
10922 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10925 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10926 MEM for ABI_V4 pic.
10928 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10930 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10931 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10932 (copy_insn_1): Likewise. Don't copy each field individually.
10934 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10936 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10937 * rtl.c (rtx_size): Rename variable to...
10938 (rtx_code_size): ...this.
10939 (rtx_size): New function.
10940 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10941 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10943 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10944 * rtl.h (rtx_code_size): New variable.
10945 (rtx_size): Change from a variable to a function.
10946 (RTX_SIZE): Rename to...
10947 (RTX_CODE_SIZE): ...this.
10950 PR tree-optimization/17106
10951 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10952 (Anchored Addresses): New section.
10953 * doc/invoke.texi (-fsection-anchors): Document.
10954 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10955 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10956 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10957 * hooks.c (hook_bool_mode_rtx_false): New function.
10958 * hooks.h (hook_bool_mode_rtx_false): Declare.
10959 * gengtype.c (create_optional_field): New function.
10960 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10961 SYMBOL_REF_IN_BLOCK_P is true.
10962 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10963 (min_anchor_offset, max_anchor_offset): Likewise.
10964 (use_anchors_for_symbol_p): New hook.
10965 * toplev.c (compile_file): Call output_object_blocks.
10966 (target_supports_section_anchors_p): New function.
10967 (process_options): Check that -fsection-anchors is only used on
10968 targets that support it and when -funit-at-a-time is in effect.
10969 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10970 if the decl doesn't have one.
10971 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10972 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10973 of force_const_mem through use_anchored_address.
10974 (expand_expr_constant): New function.
10975 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10976 calling expand_expr for INDIRECT_REF.
10977 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10978 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10979 * expr.h (use_anchored_address): Declare.
10980 * loop-unroll.c: Don't declare rtx vectors here.
10981 * explow.c: Include output.h.
10982 (validize_mem): Call use_anchored_address.
10983 (use_anchored_address): New function.
10984 * common.opt (-fsection-anchors): New switch.
10985 * varasm.c (object_block_htab, anchor_labelno): New variables.
10986 (hash_section, object_block_entry_eq, object_block_entry_hash)
10987 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10988 (use_blocks_for_decl_p, change_symbol_section): New functions.
10989 (get_variable_section): New function, split out from assemble_variable.
10990 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10991 use_blocks_for_decl_p say so. Use change_symbol_section if the
10992 symbol has already been created.
10993 (assemble_variable_contents): New function, split out from...
10994 (assemble_variable): ...here. Don't output any code for
10995 block symbols; just pass them to place_block_symbol.
10996 Use get_variable_section and assemble_variable_contents.
10997 (get_constant_alignment, get_constant_section, get_constant_size): New
10998 functions, split from output_constant_def_contents.
10999 (build_constant_desc): Create a block symbol if use_object_blocks_p
11000 says so. Or into SYMBOL_REF_FLAGS.
11001 (assemble_constant_contents): New function, split from...
11002 (output_constant_def_contents): ...here. Don't output any code
11003 for block symbols; just pass them to place_section_symbol.
11004 Use get_constant_section and get_constant_alignment.
11005 (force_const_mem): Create a block symbol if use_object_blocks_p and
11006 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
11007 (output_constant_pool_1): Add an explicit alignment argument.
11008 Don't switch sections here.
11009 (output_constant_pool): Adjust call to output_constant_pool_1.
11010 Switch sections here instead. Don't output anything for block symbols;
11011 just pass them to place_block_symbol.
11012 (init_varasm_once): Initialize object_block_htab.
11013 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
11014 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
11015 (place_block_symbol, get_section_anchor, output_object_block)
11016 (output_object_block_htab, output_object_blocks): New functions.
11017 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
11018 (TARGET_ASM_OUT): Include it.
11019 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
11020 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
11021 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
11022 (TARGET_INITIALIZER): Include them.
11023 * rtl.c (rtl_check_failed_block_symbol): New function.
11024 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
11025 (block_symbol, object_block): New structures.
11026 (rtx_def): Add a block_symbol field to the union.
11027 (BLOCK_SYMBOL_CHECK): New macro.
11028 (rtl_check_failed_block_symbol): Declare.
11029 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
11030 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
11031 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
11032 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
11033 * output.h (output_section_symbols): Declare.
11034 (object_block): Name structure.
11035 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
11036 (default_use_anchors_for_symbol_p): Declare.
11037 * Makefile.in (RTL_BASE_H): Add vec.h.
11038 (explow.o): Depend on output.h.
11039 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
11040 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
11041 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
11042 (rs6000_use_blocks_for_constant_p): New function.
11044 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11046 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
11048 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
11051 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
11054 2006-02-18 Diego Novillo <dnovillo@redhat.com>
11056 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
11060 2006-02-18 Jakub Jelinek <jakub@redhat.com>
11062 PR middle-end/26334
11063 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
11064 instead of DECL_REGISTER.
11066 2006-02-18 Olivier Hainque <hainque@adacore.com>
11069 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
11071 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
11074 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
11075 * opth-gen.awk: Handle Var and InverseMask together.
11076 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
11077 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
11078 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
11079 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
11081 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11082 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11083 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
11084 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11085 LINUX_DYNAMIC_LINKER): Define.
11086 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
11087 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
11089 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11090 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
11091 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11092 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11093 (TARGET_C99_FUNCTIONS): Don't define.
11094 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
11095 GLIBC_DYNAMIC_LINKER.
11096 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
11097 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
11098 GLIBC_DYNAMIC_LINKER64): Define.
11099 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11100 LINUX_DYNAMIC_LINKER64.
11101 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11102 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11103 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
11104 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11105 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11106 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11107 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
11108 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
11109 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
11110 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
11111 and LINUX_DYNAMIC_LINKER32.
11112 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11113 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11114 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
11115 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11116 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
11118 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
11119 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
11120 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
11121 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11122 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11123 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
11124 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
11125 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
11126 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11127 LINUX_DYNAMIC_LINKER): Define.
11128 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
11129 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
11130 GLIBC_DYNAMIC_LINKER64): Define.
11131 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
11132 LINUX_DYNAMIC_LINKER64.
11133 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11134 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11135 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
11136 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
11137 LINUX_DYNAMIC_LINKER): Define.
11138 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11139 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11140 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
11141 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
11142 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
11143 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
11144 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
11145 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
11146 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
11147 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11148 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11149 * doc/invoke.texi (-muclibc): Remove caveat about supported
11152 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
11154 * doc/cpp.texi (__TIMESTAMP__): Document.
11156 2006-02-17 Roger Sayle <roger@eyesopen.com>
11158 PR middle-end/25600
11159 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
11160 C is one less than the width of X (and related transformations).
11161 * simplify-rtx.c (simplify_unary_operation_1): Transform
11162 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
11163 depending on STORE_FLAG_VALUE, were C is one less then the
11166 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
11168 Fix PR tree-optimization/26341
11169 * tree-ssa-operands.c (add_virtual_operand): Remove assert
11170 about NAME_MEMORY_TAG's.
11172 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11175 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
11176 with hardware float support, and software float support. Add fcpy
11177 alternative to hardware patterns. Add alternatives to copy between
11178 general and floating-point registers to the 32-bit pattern.
11179 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
11180 secondary reload to load a QI or HI mode constant into a floating
11182 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
11183 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
11185 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
11188 * config/rs6000/darwin.md (load_macho_picbase_si): Add
11190 (load_macho_picbase_di): Likewise.
11192 2006-02-16 Jeff Law <law@redhat.com>
11194 * tree-vrp.c (set_value_range_to_nonnegative): New function.
11195 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
11196 (ssa_name_nonzero_p): Likewise.
11197 (get_value_range): Return NULL if VRP is not running.
11198 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
11199 VRP routines do not discover a range.
11200 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
11201 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
11202 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
11203 (tree_expr_nonnegative_p): Similarly.
11204 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
11205 (restore_nonzero_vars_to_original_value): Remove.
11206 (unsafe_associative_fp_binop): Remove.
11207 (tree_ssa_dominator_optimize): Remove initialization and
11208 finalization of nonzero_vars and nonzero_vars_stack.
11209 (dom_opt_initialize_block): No longer push marker on
11210 nonzero_vars_stack.
11211 (dom_opt_finalize_block): No longer call
11212 restore_nonzero_vars_to_original_value.
11213 (record_equivalences_from_phis): No longer look for
11214 nonzero PHI arguments.
11215 (cprop_into_successor_phis): No longer propagate nonzero
11216 property into PHI arguments. Lose unused argument. Caller
11218 (record_equivalences_from_stmt): No longer record nonzero
11219 values for SSA_NAMEs.
11220 (lookup_avail_expr): No longer use nonzero_vars.
11222 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
11223 for sizetype when sizetype is unsigned.
11225 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
11227 PR rtl-optimization/25603
11228 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
11229 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
11230 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
11231 with new meaning of SETS.
11233 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
11238 * config/linux.opt: New file.
11239 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
11240 LINUX_DYNAMIC_LINKER): Define.
11241 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
11242 * config.gcc (*-*-linux*): Define extra_options.
11243 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
11244 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
11245 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
11246 GLIBC_DYNAMIC_LINKER.
11247 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
11248 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11249 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
11250 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
11251 * doc/invoke.texi (GNU/Linux Options): New section.
11253 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
11255 * config/sparc/sparc.md (setjmp): Rewrite.
11256 (setjmp_32): Delete.
11257 (setjmp_64): Likewise.
11259 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
11261 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
11264 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11266 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
11269 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
11271 PR rtl-optimization/26296
11272 * Makefile.in (loop-invariant.c): Add except.h dependency.
11273 * loop-invariant.c: Include except.h.
11274 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
11276 2005-02-16 Paul Brook <paul@codesourcery.com>
11278 * reload1.c (emit_reload_insns): Invalidate dead input registers used
11281 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
11283 PR rtl-optimization/25636
11284 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
11285 when deciding whether an insn is an initializing insn.
11287 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
11289 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
11290 (tree_code_size): Ditto.
11291 * tree.h (struct tree_memory_tag): Remove parent_var.
11292 (struct tree_struct_field_tag): New.
11295 (union tree_node): Add sft member.
11296 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
11298 (create_sft): Add size and offset argument, set SFT_OFFSET and
11300 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
11301 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
11302 * tree-flow-inline.h (get_subvar_at): Update for
11303 SFT_OFFSET/SFT_SIZE.
11304 (var_can_have_subvars): Ditto.
11305 (overlap_subvar): Ditto.
11306 * print-tree.c (print_node): Print out interesting things for
11308 * tree-flow.h (struct subvar): Remove offset and size members.
11309 * tree-ssa-operands.c (get_expr_operands): Update for
11310 get_indirect_ref_operands changes.
11311 (get_indirect_ref_operands): Call add_virtual_operand instead of
11312 add_stmt_operand. Only recurse on base var if requested.
11313 (access_can_touch_variable): New function.
11314 (add_stmt_operand): Split virtual operand handling into ...
11315 (add_virtual_operand): Here. Add offset, size, and for_clobber
11316 arguments. Prune alias sets.
11317 (add_call_clobber_ops): Call add_virtual_operand.
11319 2006-02-15 Jakub Jelinek <jakub@redhat.com>
11321 PR middle-end/26300
11322 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
11324 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
11325 than TREE_CODE as index into omp_clause_num_ops array.
11327 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
11329 PR rtl-optimization/26184
11330 * modulo-sched.c (generate_reg_moves): Free bitmap vector
11332 * modulo-sched.c (sms_schedule): Free g_arr pointer.
11333 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
11334 must_precede, must_follow and tobe_scheduled.
11337 * opts.c (common_handle_option): Free new_option pointer.
11338 * df-core.c (df_analyze): Free postorder pointer.
11340 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
11342 * Makefile.in: Fix the examples about the use of stamps
11344 2006-02-15 Michael Matz <matz@suse.de>
11346 PR middle-end/22275
11348 * stor-layout.c (layout_decl): Zero-width bitfields aren't
11349 influenced by maximum_field_alignment or DECL_PACKED.
11350 (update_alignment_for_field): Ditto.
11351 (place_field): Ditto.
11352 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
11355 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
11357 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
11358 (debug_flow_info): Pass it.
11359 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
11360 * bb-reorder.c (reorder_basic_blocks): Likewise.
11361 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
11362 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
11363 * flow.c (life_analysis, recompute_reg_usage): Likewise.
11364 * gcse.c (gcse_main, bypass_jumps): Likewise.
11365 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
11366 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
11367 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
11368 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
11369 * rtl.h (dump_flow_info): Adjust prototype.
11370 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
11371 * var-tracking.c (variable_tracking_main): Likewise.
11372 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
11373 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
11376 2006-02-15 Marcin Dalecki <martin@dalecki.de>
11378 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
11381 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11383 PR tree-optimization/26209
11384 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
11385 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
11387 * tree-cfg.c (replace_uses_by): Do not alter cfg.
11389 2006-02-14 Roger Sayle <roger@eyesopen.com>
11391 PR middle-end/23670
11392 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
11393 (X,Y) and the corresponding symmetry related transformations.
11394 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
11395 (X,Y) and its symmetry related transformations.
11397 2006-02-14 Roger Sayle <roger@eyesopen.com>
11399 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
11402 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
11404 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
11406 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
11409 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
11410 support COMDAT group.
11411 * configure: Regenerate.
11413 2006-02-14 Roger Sayle <roger@eyesopen.com>
11415 PR middle-end/26279
11416 PR middle-end/26280
11417 PR middle-end/26283
11418 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
11420 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
11422 Fix PR tree-optimization/26260
11424 * doc/invoke.texi (max-fields-for-field-sensitive): Document
11426 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
11427 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
11428 * tree-ssa-structalias.c (create_variable_info_for): Use
11429 MAX_FIELDS_FOR_FIELD_SENSITIVE.
11431 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
11433 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
11435 * tree-ssa-loop-niter.c (number_of_iterations_ne,
11436 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
11437 of the ending condition.
11438 * tree-ssa-loop-manip.c: Include params.h.
11439 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
11440 tree_unroll_loop): New functions.
11441 * tree-pass.h (pass_loop_prefetch): Declare.
11442 * loop.c (rest_of_handle_loop_optimize): Test for
11443 -fprefetch-loop-arrays-rtl.
11444 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
11445 * timevar.def (TV_TREE_PREFETCH): New timevar.
11446 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
11447 pass_loop_prefetch): New.
11448 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
11449 (cleanup_tree_cfg_loop): Call scev_reset.
11450 * common.opt (fprefetch-loop-arrays-rtl): Add.
11451 * tree-ssa-loop-prefetch.c: New file.
11452 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
11453 (new_temp_expr_table): Initialize expr_vars.
11454 (free_temp_expr_table): Cleanup expr_vars.
11455 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
11456 expressions from being merged into one.
11457 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
11458 (struct tree_niter_desc): Add control, bound and cmp fields.
11459 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
11461 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
11462 (tree-cfgcleanup.o): Add SCEV_H dependency.
11463 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
11464 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
11466 2006-02-14 Richard Guenther <rguenther@suse.de>
11468 PR tree-optimization/26258
11469 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
11470 in PHI argument processing.
11472 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
11474 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
11475 new expression in the requested machine mode.
11477 2006-02-13 Roger Sayle <roger@eyesopen.com>
11479 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
11480 directly, instead let do_compare_rtx_and_jump handle this for us.
11481 * expr.c (expand_expr_real_1): Likewise.
11482 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
11483 before do_jump_by_parts_greater.
11484 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
11485 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
11487 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11489 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
11491 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11493 PR rtl-optimization/26235
11494 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
11495 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11498 2006-02-13 Jeff Law <law@redhat.com>
11500 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11503 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11505 PR middle-end/26092
11506 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11507 twice if decl is a builtin. When trying again, call get_callee_fndecl
11508 first to verify it is still a builtin.
11510 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11512 * dwarf2out.c (base_type_die): Don't add AT_name here.
11513 (subrange_type_die): Don't add AT_name here.
11514 (modified_type_die): Rearrange code flow. Do add AT_name here.
11516 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11518 PR rtl-optimization/26247
11519 PR rtl-optimization/26248
11520 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11522 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11524 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11525 * config/fixtfdi.c: Likewise.
11526 * config/fixunstfdi.c: Likewise.
11527 * config/floatditf.c: Likewise.
11529 2006-02-13 Roger Sayle <roger@eyesopen.com>
11531 PR middle-end/24427
11532 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11533 into (X,C2) if C1 is a subset of the bits of C2. Transform
11534 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11536 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11538 2006-02-13 Josh Conner <jconner@apple.com>
11541 * varasm.c (function_section): Check for section name before
11542 calling select_section on targets that define
11543 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11544 unlikely_text_section instead of hot_function_section if
11545 first_function_block_is_cold.
11547 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11549 PR middle-end/25335
11550 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11552 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11554 PR rtl-optimization/26222
11555 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11556 after tree->rtl expansion.
11557 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11558 before passing it to emit_move_insn.
11560 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11562 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11564 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11565 Clarify documentation.
11566 * c-common.h (warn_write_strings): Remove.
11567 * c-common.c (warn_write_strings): Likewise.
11568 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11571 2006-02-12 Roger Sayle <roger@eyesopen.com>
11573 PR middle-end/25724
11574 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11575 (do_jump_parts_zero_rtx): New function renamed from
11576 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11577 (do_jump_parts_equality_rtx): New function split out from
11578 do_jump_parts_equality. Old implementation renamed as above.
11579 Call do_jump_parts_zero_rtx if either operand is zero.
11580 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11581 do all of the heavy lifting.
11582 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11583 calling either do_jump_by_parts_greater_rtx or
11584 do_jump_by_parts_equality_rtx.
11585 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11586 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11587 moved to do_compare_rtx_and_jump, call it directly.
11588 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11589 mode argument. Call do_compare_rtx_and_jump.
11590 (emit_case_nodes): Update calls to do_jump_if_equal.
11592 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11594 PR rtl-optimization/26225
11595 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11597 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11599 PR rtl-optimization/26232
11600 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11602 2006-02-11 Jason Merrill <jason@redhat.com>
11605 * tree-inline.c (declare_return_variable): Just don't use the
11606 modify target if it's a gimple complex reg and the return slot
11609 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11611 * doc/contrib.texi: Update my entry.
11613 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11615 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11617 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11619 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11622 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11624 * doc/invoke.texi (-floop-optimize2): Removed.
11625 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11626 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11627 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11628 * common.opt (floop-optimize2): Removed.
11629 (fmove-loop-invariants): Enabled by default.
11631 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11633 * tree-if-conv.c (combine_blocks): Free the result of
11634 get_loop_exit_edges.
11636 2006-02-10 Jeff Law <law@redhat.com>
11638 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11640 PR tree-optimization/26213
11641 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11642 loop trying to follow SSA_NAME_VALUE chains.
11644 2006-02-10 Richard Guenther <rguenther@suse.de>
11646 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11647 deal with structures that end in implicitly variable sized arrays.
11649 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11651 PR rtl-optimization/24762
11652 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11655 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11657 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11658 (struct ivopts_data): Add regs_used field.
11659 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11660 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11661 instead of loop_data->regs_used;
11662 (free_loop_data): Do not free aux fields for loops.
11663 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11664 and tree_ssa_iv_optimize_finalize.
11666 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11668 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11670 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11673 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11674 computing the effective result type.
11676 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11678 PR inline-asm/16194
11679 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11680 (tree_overlaps_hard_reg_set): Declare.
11681 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11682 type and signature to match function type expected by walk_tree.
11683 (tree_overlaps_hard_reg_set): New function.
11684 (decl_conflicts_with_clobbers_p): Rename to:
11685 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11686 Use tree_overlaps_hard_reg_set. Changed caller.
11687 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11688 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11689 * cris.c (cris_md_asm_clobbers): Likewise.
11691 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11693 * reload1.c (emit_input_reload_insns): Delete code that tries to
11694 inherit using find_equiv_reg.
11696 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11698 * c-common.h (flag_const_strings): Don't declare.
11699 * c-common.c (flag_const_strings): Remove.
11700 * c.opt (fconst_strings): Remove.
11701 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11702 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11703 (c_common_init_options): Don't set flag_const_strings.
11704 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11706 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11708 * arm.md (tlobits_cbranch): New pattern.
11709 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11710 testing a single bit.
11712 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11715 * tree-ssa-pre.c (create_component_ref_by_pieces):
11716 Handle RETURN_DECL like VAR_DECL.
11718 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11720 PR middle-end/26134
11721 * fold-const.c (fold_indirect_ref_1): Fold
11722 "*(foo *)&complexfoo" to "__real__ complexfoo"
11723 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11725 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11727 * tree-flow-inline.h (var_can_have_subvars):
11728 Volatile variables should not have subvariables.
11730 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11733 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11734 multiplying unsigned values.
11737 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11739 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11741 2006-02-08 Jason Merrill <jason@redhat.com>
11744 * tree.def: Elaborate on difference from MODIFY_EXPR.
11745 * doc/c-tree.texi (INIT_EXPR): Likewise.
11746 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11747 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11748 (gimplify_target_expr): Likewise.
11749 (gimplify_cond_expr): Remove target handling.
11750 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11751 (gimplify_expr): Clobber it here.
11752 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11753 Do return slot optimization if we have an INIT_EXPR.
11756 * tree-inline.c (declare_return_variable): Also clear
11757 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11760 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11762 PR middle-end/22439
11763 * gimplify.c (gimplify_one_sizepos): Fix typo.
11765 2006-02-08 Jeff Law <law@redhat.com>
11767 PR tree-optimization/21417
11768 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11769 across a backedge if the control statement at the end of the
11770 block is data dependent on other statements in the same block.
11771 (record_temporary_equivalences_from_stmts): Remove over-conservative
11772 test for threading across backedges.
11774 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11775 control statement, handle all three special cases in the same
11776 manner as they all have the same desired solution. No longer
11777 special case edge flag updating when the post dominator is
11780 2006-02-08 Roger Sayle <roger@eyesopen.com>
11782 * tree.def (CHAR_TYPE): Remove.
11783 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11784 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11785 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11786 (gen_string_type_die): Delete unreachable function.
11788 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11789 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11790 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11791 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11792 * builtins.c (type_to_class): Likewise.
11793 * fold-const.c (fold_convert, build_range_check,
11794 merge_ranges): Likewise.
11795 * expr.c (count_type_elements): Likewise.
11796 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11797 * stor-layout.c (layout_type): Likewise.
11798 * ipa-type-escape.c (type_to_consider): Likewise.
11799 * gimplify.c (omp_firstprivatize_type_sizes,
11800 gimplify_type_sizes): Likewise.
11801 * explow.c (promote_mode): Likewise.
11802 * tree-sra.c (is_sra_scalar_type): Likewise.
11803 * varasm.c (output_constant): Likewise.
11804 * tree-inline.c (remap_type_1): Likewise.
11805 * convert.c (convert_to_pointer, convert_to_real,
11806 convert_to_integer, convert_to_complex): Likewise.
11808 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11810 * df-scan.c (df_def_record_1): A set destination may
11811 be a parallel regardless of mode.
11813 2006-02-08 Roger Sayle <roger@eyesopen.com>
11816 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11817 * config/mips/_tilib.c: Remove.
11818 * config/fixtfdi.c: New libgcc source file.
11819 * config/fixunstfdi.c: New source file.
11820 * config/floatditf.c: New source file.
11821 * config/floatunditf.c: New souce file.
11822 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11823 files above instead of config/mips/_tilib.c.
11824 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11826 2006-02-08 Jeff Law <law@redhat.com>
11828 PR tree-optimization/26169
11829 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11832 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11834 * df.h (DF_REG_SIZE): Return the length of the initialized
11837 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11839 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11840 __muldf3): Return a correctly signed zero.
11842 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11844 * passes.c (register_one_dump_file): Accept the current properties
11845 instead of pass number. Adjust call to dump_register. Remove
11847 (register_dump_files): Now a wrapper around...
11848 (register_dump_files_1): ... this one. Do not modify the pass
11850 (next_pass_1): Cosmetic fix.
11851 (execute_todo): Keep second parameter only. Use curr_properties
11852 instead of fetching it from the pass structure. Check and set
11854 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11855 instead of fetching it from the pass structure. Fix calls to
11856 execute_todo. Update curr_properties and initialize .vcg RTL dump
11857 after running the pass. Reset last_verified.
11858 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11860 (FIRST_AUTO_NUMBERED_DUMP): New.
11861 (dump_register): Remove "num" parameter, assign it within the
11863 (get_dump_file_name): Modify template for dumps.
11864 * tree-dump.h (dump_register): Adjust prototype.
11865 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11866 (PROP_trees): Add PROP_gimple_lomp.
11867 (TODO_set_props): New.
11868 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11869 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11870 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11872 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11874 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11875 (sparc64-*-linux*): Likewise.
11876 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11877 * config/sparc/t-linux: New file.
11878 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11879 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11880 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11881 -m32 -mlong-double-128.
11883 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11884 * config/alpha/t-linux: New file.
11885 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11887 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11888 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11889 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11890 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11891 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11892 (CPP_ARCH32_SPEC): Remove.
11894 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11896 PR tree-optimization/26145
11897 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11900 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11903 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11904 >= 240000 when generating code for SOM runtime.
11905 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11906 to $$dyncall when generating code for SOM runtime..
11908 2006-02-07 Dirk Mueller <dmueller@suse.com>
11911 * doc/invoke.texi (-Wsequence-point): Update documentation
11912 that -Wsequence-point is implemented for C++ as well.
11914 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11916 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11917 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11918 (LIB_SPEC): Likewise.
11919 * doc/invoke.texi (SPARC options): Document -pthread.
11921 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11923 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11926 2006-02-07 Roger Sayle <roger@eyesopen.com>
11928 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11929 Correct comment describing BOOLEAN_TYPE.
11931 2006-02-07 Dirk Mueller <dmueller@suse.com>
11933 * c.opt: C++ frontend supports -Wdiv-by-zero.
11934 * c-opts.c (c_common_handle_option): Remove dead case.
11936 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11938 * configure.ac (TLS assembler check): Do not enable TLS by
11939 default on SPARC/Solaris before version 10.
11940 * configure: Regenerate.
11942 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11944 * doc/invoke.texi (xl-compat): Document conversion and support
11947 2006-02-07 Jeff Law <law@redhat.com>
11949 * tree-vrp.c (find_conditional_asserts): Update comments.
11950 (simplify_stmt_for_jump_threading): New.
11951 (identify_jump_threads, finalize_jump_threads): New.
11952 (vrp_finalize): Call identify_jump_threads.
11953 (execute_vrp): Call finalize_jump_threads.
11954 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11955 (vrp_element, vrp_data, vrp_element_p): Remove.
11956 (vrp_hash_elt, vrp_variables_stack): Remove.
11957 (vrp_hash, vrp_eq, record_range): Remove.
11958 (simplify_cond_and_lookup_avail_expr): Remove.
11959 (extract_range_from_cond): Remove.
11960 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11961 (simplify_stmt_for_jump_threading): New.
11962 (dom_thread_across_edge): New wrapper.
11963 (tree_ssa_dominator_optimize): No longer initialize or
11964 finalize any of the VRP datastructures. Remove iteration
11965 step and simplify as a result of removal of iteration step.
11966 (pass_dominator): Perform a cfg cleanup after DOM.
11967 (dom_opt_finalize_block): Use the new common routines
11968 for threading jumps. Simplify stack management slightly.
11969 No longer need to unwind VRP state.
11970 (record_equivalences_from_incoming_edge): No longer record
11972 (eliminate_redundant_computations): No longer call
11973 simplify_cond_and_lookup_avail_expr.
11974 * tree-flow.h (potentially_threadable_block): Prototype.
11975 (thread_across_edge): Likewise.
11976 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11977 (tree-ssa-threadedge.o): Add dependencies.
11978 * tree-ssa-threadedge.c: New file.
11979 * passes.c (init_optimization_passes): Merge PHIs before
11980 calling VRP. Run VRP again late in the SSA optimization pipeline.
11982 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11984 * df-core.c (df_set_blocks): Do not dereference function pointers.
11985 (df_finish1): Likewise.
11986 (df_hybrid_search_forward): Likewise.
11987 (df_hybrid_search_backward): Likewise.
11988 (df_iterative_dataflow): Likewise.
11989 (df_analyze_problem): Likewise.
11990 (df_compact_blocks): Likewise.
11991 (df_dump): Likewise.
11992 * df-scan.c (df_rescan_blocks): Likewise.
11993 (df_record_entry_block_defs): Likewise.
11995 * genconditions.c (write_conditions): Guard the definition of
11996 'insn_conditions' with the check on GCC version.
11997 (write_writer): Guard the traversal 'insn_conditions' with
11998 the check on GCC version.
12000 2006-02-07 Richard Guenther <rguenther@suse.de>
12004 2006-01-30 Richard Guenther <rguenther@suse.de>
12006 * gimplify.c (gimplify_target_expr): Handle easy cases
12007 without creating a temporary.
12009 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
12011 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
12012 use of float in probability computations. Use edge probabilities
12013 in place of statically computed probabilities.
12014 (min_spec_prob): New static variable.
12015 (schedule_insns): Initialize it.
12016 (GET_SRC_PROB): Removed.
12017 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
12019 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
12022 * config/ia64/unwind-ia64.c: Revert last change.
12023 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
12024 (INCOMING_FRAME_SP_OFFSET): Define.
12026 2006-02-06 Roger Sayle <roger@eyesopen.com>
12028 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
12030 2006-02-07 Ben Elliston <bje@au.ibm.com>
12032 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
12033 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
12034 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
12035 (ix86_return_in_memory): Handle TDmode.
12036 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
12037 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
12039 2006-02-06 Richard Sandiford <richard@codesourcery.com>
12041 * reorg.c (dbr_schedule): Use dump_file instead of file.
12043 2006-02-06 Steve Ellcey <sje@cup.hp.com>
12046 * config/ia64/predicates.md (extr_len_operand): New predicate.
12047 * config/ia64/ia64.md (extv): Tighten constraints.
12049 (*tbit_and_2): Ditto.
12050 (*tbit_and_3): Ditto.
12051 (*tbit_or_2): Ditto.
12052 (*tbit_or_3): Ditto.
12053 (*bit_zero): Ditto.
12056 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
12059 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
12061 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
12063 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
12064 loop_optimizer_init and loop_optimizer_finalize
12065 * tree-ssa-sink.c (execute_sink_code): Ditto.
12066 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
12067 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
12068 tree_ssa_loop_done): Ditto.
12069 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
12070 * sched-ebb.c: Include output.h.
12071 (schedule_ebbs): Do not use dump argument.
12072 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
12073 * loop.c (loop_dump_stream): Removed.
12074 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
12076 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
12077 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
12078 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
12079 loop_iterations, strength_reduce, record_biv, record_giv,
12080 final_giv_value, check_final_value, check_ext_dependent_givs,
12081 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
12082 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
12083 dump_file instead of loop_dump_stream.
12084 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
12085 argument dump_file.
12086 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
12088 * flow.c (life_analysis, rest_of_handle_life): Ditto.
12089 * haifa-sched.c: Include output.h
12090 (schedule_insns, sched_init): Do not use dump argument.
12091 * mode-switching.c (optimize_mode_switching): Ditto.
12092 * modulo-sched.c (stats_file): Removed.
12093 (print_node_sched_params): Do not call argument dump_file.
12094 (sms_schedule_by_order, loop_canon_p, sms_schedule,
12095 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
12097 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
12099 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
12100 rtl_loop_init, rtl_loop_done): Ditto.
12101 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
12102 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
12104 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
12105 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
12106 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
12107 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
12108 * emit-rtl.c (renumber_insns): Ditto.
12109 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
12110 expand_gimple_basic_block, tree_expand_cfg): Ditto.
12111 * regclass.c (regclass): Ditto.
12112 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
12113 remove_ssa_form, rewrite_out_of_ssa): Ditto.
12114 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
12115 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
12117 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
12118 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
12120 * gcse.c (gcse_file, debug_stderr): Removed.
12121 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
12122 rest_of_handle_gcse): Do not use dump argument.
12123 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
12124 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
12125 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
12126 compute_code_hoist_vbeinout, compute_code_hoist_data,
12127 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
12128 compute_store_table, build_store_vectors, insert_insn_start_bb,
12129 insert_store, remove_reachable_equiv_notes, replace_store_insn,
12130 store_motion): Use dump_file instead of gcse_file.
12131 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
12132 * profile.c (profile_dump_file): Removed.
12133 (branch_prob): Use dump_file instead of profile_dump_file.
12134 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
12136 * tree-ssa-copy.c (dump_copy_of): Ditto.
12137 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
12138 dump file to life_analysis.
12139 * bt-load.c (branch_target_load_optimize): Ditto.
12140 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
12142 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
12143 regclass, dbr_schedule): Declaration changed.
12144 * sched-int.h (sched_init): Declaration changed.
12145 * tree-profile.c (tree_profile_dump_file): Removed.
12146 (tree_profile_hooks): Removed profile_dump_file hook.
12147 * rtl-profile (rtl_profile_dump_file): Removed.
12148 (rtl_profile_hooks): emoved profile_dump_file hook.
12149 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
12151 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
12152 * tree-cfg.c (build_tree_cfg): Ditto.
12153 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
12154 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
12155 Declaration changed.
12156 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
12157 life_analysis and schedule_insns.
12158 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
12160 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
12162 * config/mips/mips.c (mips_reorg): Ditto.
12163 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
12166 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
12168 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12169 (s390_mangle_fundamental_type): New.
12170 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12173 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12174 (alpha_mangle_fundamental_type): New.
12175 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12178 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12180 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
12182 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
12183 (sparc_mangle_fundamental_type): New.
12185 2006-02-06 Jakub Jelinek <jakub@redhat.com>
12187 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
12188 (s390x-*-linux*): Likewise.
12189 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
12190 * config/s390/t-linux: New file.
12192 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12194 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
12195 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
12197 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
12199 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
12200 (ANTIC_SAFE_LOADS): New macro.
12201 (find_or_generate_expression): Add prototype.
12202 (set_contains_value): Allow null set for sake of not always having
12203 to allocate ANTIC_SAFE_LOADS.
12204 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
12205 Allow COMPONENT_REF too.
12206 (valid_in_set): Allow COMPONENT_REF.
12207 Check ANTIC_SAFE_LOADS too.
12208 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
12209 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
12211 (can_PRE_operation): Add COMPONENT_REF.
12212 (create_component_ref_by_pieces): New function.
12213 (create_expression_by_pieces): Use create_component_ref_by_pieces.
12214 (insert_aux): Move AGGREGATE_TYPE_P check here.
12215 (compute_avail): Set bb local stmt uids.
12216 (pass_pre): Use TODO_update_ssa_only_virtuals.
12218 2006-02-06 Ben Elliston <bje@au.ibm.com>
12220 * configure.ac: Unconditionally disable decimal float by default.
12221 * configure: Regenerate.
12223 2006-02-06 Ben Elliston <bje@au.ibm.com>
12225 * read-rtl.c (read_name): Terminate reading on EOF.
12227 2006-02-06 Ben Elliston <bje@au.ibm.com>
12229 * dfp.c (decimal_real_arithmetic): Change second argument type
12230 from int to enum tree_code. Do not always return true, but now
12231 return result of any call to decimal_do helper functions.
12232 * dfp.h (decimal_real_arithmetic): Update prototype.
12234 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
12236 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
12238 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
12241 * tree-cfg.c (cleanup_dead_labels): Also don't remove
12244 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12246 * tree-vrp.c (cfg_loops): Removed.
12247 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
12248 Use current_loops instead of cfg_loops. Pass flags to
12249 loop_optimizer_init.
12250 * cfgloopmanip.c (fix_loop_structure): Update only available
12252 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
12253 loop_optimizer_init.
12254 * modulo-sched.c (build_loops_structure): Removed.
12255 (sms_schedule): Use loop_optimizer_init.
12256 * loop-init.c (loop_optimizer_init): Use flags to determine
12257 which properties of loops to prepare.
12258 (rtl_loop_init): Pass flags to loop_optimizer_init.
12259 * tree-ssa-sink.c (execute_sink_code): Ditto.
12260 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
12261 * tree-ssa-pre.c (init_pre): Ditto.
12262 * cfgloop.h (LOOPS_NORMAL): New.
12263 (loop_optimizer_init): Declaration changed.
12265 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12267 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
12268 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
12270 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
12272 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
12274 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
12275 * pa/t-pa64: Delete quadlib.c rule.
12276 * pa/x-ada: Revert last change.
12277 * pa/t-pa: Revert last change. Delete quadlib.c rule.
12279 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
12281 PR rtl-optimization/26087
12282 * rtlanal.c (canonicalize_condition): Do not cross basic block
12285 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
12288 * config/ia64/ia64.c: Include debug.h.
12289 (MAX_ARTIFICIAL_LABEL_BYTES): New.
12290 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
12291 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
12292 (process_epilogue, process_set, process_for_unwind_directive):
12293 Output unwind info only if requested. Add CFA info if requested.
12294 Add new arguments as needed. Adjust callers.
12295 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
12297 (DWARF2_FRAME_INFO): Define to zero.
12298 * config/ia64/unwind-ia64.c: Remove code that compensated for
12299 the CFA offset error fixed above.
12300 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
12301 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
12302 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
12303 -funwind-tables and -fexceptions to enable frame info.
12304 (dwarf2out_frame_init): Define initial CFA even if
12305 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
12306 DWARF2_UNWIND_INFO is nonzero, not just defined.
12307 (dwarf2out_frame_finish): Output non-EH call frame info only
12308 if DWARF2_FRAME_INFO is nonzero.
12309 (convert_cfa_to_loc_list,
12310 compute_frame_pointer_to_cfa_displacement): Define even if
12311 unwind info is not supported.
12312 (gen_subprogram_die): Use the above unconditionally. Remove
12313 legacy alternate code.
12314 * toplev.c (compile_file): Compile in call to
12315 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
12316 (lang_dependent_init): Ditto for dwarf2out_frame_init.
12318 2006-02-04 David Edelsohn <edelsohn@gnu.org>
12319 Jakub Jelinek <jakub@redhat.com>
12321 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
12322 IBM extended float format long double as "g" on powerpc*-linux.
12324 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
12327 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
12328 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
12330 2006-02-03 Jason Merrill <jason@redhat.com>
12333 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
12335 PR middle-end/25977
12336 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
12337 on the return slot if it's an NRV.
12339 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
12341 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
12342 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
12343 rewrite_use): Do not handle USE_OUTER.
12344 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
12345 add_iv_outer_candidates, may_replace_final_value,
12346 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
12347 (find_interesting_uses_op): Functionality of
12348 find_interesting_uses_outer_or_nonlin moved here.
12349 (find_interesting_uses_outside): Use find_interesting_uses_op.
12351 2006-02-03 Alan Modra <amodra@bigpond.net.au>
12354 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
12356 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
12357 Ulrich Weigand <uweigand@de.ibm.com>
12360 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
12361 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
12362 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
12363 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
12365 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
12366 (s390_rtx_costs): Use the new fields to calculate rtx costs.
12367 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
12368 Define secondary reloads for TFmode moves.
12369 (constant_modes): Add TFmode.
12370 (NR_C_MODES): Set to 8.
12371 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
12373 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
12374 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
12375 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
12376 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
12377 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
12378 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
12379 (FPR mode macro): Add TFmode.
12380 (DSF mode macro): New.
12381 (<de>, <dee> mode attributes): Removed.
12382 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
12383 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
12384 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
12385 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
12386 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
12387 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
12388 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
12389 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
12390 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
12391 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
12392 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
12393 "*negabs<mode>2", "sqrt<mode>2"):
12394 Changed <de> to <xde>. R constraint replaced by <Rf>.
12395 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
12397 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
12398 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
12399 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
12401 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
12402 "extenddftf2", "extendsftf2"): New expanders.
12403 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
12404 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
12405 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
12406 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
12408 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
12409 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
12410 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
12411 __floatditf): Add a GCC_4.1.0 symbol version tag.
12412 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
12415 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
12418 * config/i386/i386.c (ix86_function_ok_for_sibcall):
12419 Use targetm.binds_local_p instead of TREE_PUBLIC.
12421 2006-02-02 Roger Sayle <roger@eyesopen.com>
12423 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
12424 on INTEGER_TYPEs to indicate that it denotes a character type.
12425 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
12426 signed_char_type_node, unsigned_char_type_node and char_type_node.
12427 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
12428 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
12429 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
12431 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
12432 Daniel Berlin <dberlin@dberlin.org>
12434 * tree-tailcall.c (arg_needs_copy_p): New function.
12435 (eliminate_tail_call): Use arg_needs_copy_p.
12436 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
12437 (add_virtual_phis): New function.
12439 2006-02-02 Jakub Jelinek <jakub@redhat.com>
12441 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
12442 #ignore instead of #scratch for %g7 .register directive.
12444 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
12446 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
12449 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
12451 * flow.c (calculate_global_regs_live): Assert that there aren't any
12454 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
12456 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
12457 what its name says.
12458 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
12459 bsi_after_labels iterator.
12460 * tree-if-conv.c (find_phi_replacement_condition,
12461 replace_phi_with_cond_modify_expr): Likewise.
12462 * tree-scalar-evolution.c (scev_const_prop): Likewise.
12463 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
12465 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12467 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
12469 2006-02-02 Diego Novillo <dnovillo@redhat.com>
12472 * tree-cfg.c (move_block_to_fn): Clear out the basic block
12473 array after growing it.
12475 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12477 PR middle-end/24901
12478 * fold-const.c (fold_checksum_tree): Change type of buf.
12480 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
12482 * reload.c (push_secondary_reload): Initialize t_icode.
12484 2006-02-01 Jakub Jelinek <jakub@redhat.com>
12486 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
12487 -msoft-float -mlong-double-128 only issue a warning, but don't
12488 swich to DFmode long double.
12490 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
12492 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
12493 has a constant equivalent, iterate over equivalents for arg0,
12494 calling simplify_relational_operation and if there's a result
12495 cheaper than X, apply fold_rtx and return the result.
12497 2006-02-01 Jan Hubicka <jh@suse.cz>
12499 * opts.c (no_unit_at_a_time_default): New global variable.
12500 (decode_options): Use it.
12501 * opts.h (no_unit_at_a_time_default): Declare.
12503 2006-02-01 Paul Brook <paul@codesourcery.com>
12505 * function.c (assign_parm_setup_reg): Use function argument promotion
12507 * expr.c (expand_expr_real_1): Use function argument promotion rules
12510 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12512 * gcc.c (process_command): Change j to 'unsigned int'.
12514 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12516 PR middle-end/26001
12517 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12518 Use the corrected index for the character
12519 out of the string constant.
12521 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12523 * mode-switching.c (optimize_mode_switching): Fix size
12524 allocated for bb_info[n_entities].
12526 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12528 * gcc.c (main): Correct type that is allocated for
12529 explicit_link_files.
12531 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12533 * config/s390/s390.c (init_alignment_context): Set
12534 ALIAS_SET_MEMORY_BARRIER on the MEM.
12535 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12537 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12539 PR middle-end/25933
12540 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12542 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12545 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12547 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12548 * regrename.c: Ditto.
12549 * tree-ssa-loop-im.c: Ditto.
12550 * tree-dump.c: Ditto.
12551 * tree-complex.c: Ditto.
12552 * genrecog.c: Ditto.
12553 * tree-ssa-threadupdate.c: Ditto.
12555 * java/class.c: Ditto.
12556 * java/jcf-parse.c: Ditto.
12557 * java/resource.c: Ditto.
12558 * java/except.c: Ditto.
12559 * java/jvspec.c: Ditto.
12560 * java/jcf-write.c: Ditto.
12561 * java/jcf-path.c: Ditto.
12562 * java/gjavah.c: Ditto.
12563 * java/zextract.c: Ditto.
12564 * java/jcf-io.c: Ditto.
12565 * java/jcf.h: Ditto.
12566 * java/buffer.c: Ditto.
12567 * java/lang.c: Ditto.
12568 * java/parse-scan.y: Ditto.
12569 * java/lex.c: Ditto.
12570 * java/lex.h: Ditto.
12571 * cfgloopmanip.c: Ditto.
12572 * postreload-gcse.c: Ditto.
12573 * tree-ssa-loop-manip.c: Ditto.
12574 * postreload.c: Ditto.
12575 * tree-ssa-loop-ch.c: Ditto.
12578 * cppspec.c: Ditto.
12579 * diagnostic.c: Ditto.
12581 * genoutput.c: Ditto.
12583 * cfghooks.c: Ditto.
12584 * cfgloopanal.c: Ditto.
12585 * objc/objc-act.c: Ditto.
12587 * genextract.c: Ditto.
12588 * genautomata.c: Ditto.
12589 * pretty-print.c: Ditto.
12590 * genemit.c: Ditto.
12591 * cgraphunit.c: Ditto.
12593 * df-scan.c: Ditto.
12594 * haifa-sched.c: Ditto.
12595 * dominance.c: Ditto.
12597 * tree-ssa-loop-ivopts.c: Ditto.
12598 * df-core.c: Ditto.
12599 * mode-switching.c: Ditto.
12600 * modulo-sched.c: Ditto.
12602 * ipa-pure-const.c: Ditto.
12604 * fix-header.c: Ditto.
12606 * tree-stdarg.c: Ditto.
12607 * ipa-utils.c: Ditto.
12608 * loop-init.c: Ditto.
12609 * ipa-inline.c: Ditto.
12610 * cfganal.c: Ditto.
12612 * alloc-pool.c: Ditto.
12613 * dwarf2out.c: Ditto.
12615 * genattrtab.c: Ditto.
12616 * tree-ssa-loop-ivcanon.c: Ditto.
12617 * predict.c: Ditto.
12618 * timevar.c: Ditto.
12620 * fortran/gfortranspec.c: Ditto.
12621 * regmove.c: Ditto.
12622 * local-alloc.c: Ditto.
12623 * langhooks.c: Ditto.
12624 * function.c: Ditto.
12625 * tree-vectorizer.c: Ditto.
12627 * ipa-type-escape.c: Ditto.
12629 * tree-if-conv.c: Ditto.
12630 * profile.c: Ditto.
12632 * tree-data-ref.c: Ditto.
12633 * loop-unroll.c: Ditto.
12634 * treelang/treetree.c: Ditto.
12636 * bt-load.c: Ditto.
12637 * ggc-common.c: Ditto.
12639 * coverage.c: Ditto.
12641 * tree-cfgcleanup.c: Ditto.
12642 * tree-ssa-pre.c: Ditto.
12643 * cfgcleanup.c: Ditto.
12644 * loop-invariant.c: Ditto.
12645 * loop-iv.c: Ditto.
12646 * ipa-prop.c: Ditto.
12647 * print-tree.c: Ditto.
12648 * conflict.c: Ditto.
12649 * ggc-page.c: Ditto.
12650 * sched-deps.c: Ditto.
12651 * regclass.c: Ditto.
12652 * tree-object-size.c: Ditto.
12653 * combine.c: Ditto.
12654 * bb-reorder.c: Ditto.
12655 * resource.c: Ditto.
12656 * var-tracking.c: Ditto.
12657 * cfgloop.c: Ditto.
12658 * df-problems.c: Ditto.
12659 * reg-stack.c: Ditto.
12661 * gccspec.c: Ditto.
12662 * sched-rgn.c: Ditto.
12663 * tree-ssa-structalias.c: Ditto.
12664 * tree-ssa-reassoc.c: Ditto.
12665 * config/darwin-c.c: Ditto.
12666 * config/darwin.c: Ditto.
12667 * config/arm/arm.c: Ditto.
12669 * collect2.c: Ditto.
12670 * reload1.c: Ditto.
12672 2006-01-31 Nicolas Pitre <nico@cam.org>
12674 * arm.md (smaxsi3): Make aware of smax_m1.
12677 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12679 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12681 2006-01-31 Richard Guenther <rguenther@suse.de>
12683 * doc/invoke.texi (-msselibm): Document.
12684 * target.h (expand_library_builtin): New target hook.
12685 * builtins.c (expand_builtin): Use expand_library_builtin.
12686 (default_expand_library_builtin): New function.
12687 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12688 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12689 (link_gcc_math_spec): Declare.
12690 (static_specs): Add link_gcc_math_spec.
12691 * expr.h (default_expand_library_builtin): Declare.
12692 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12693 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12694 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12695 * config/i386/i386.opt (msselibm): New target option.
12696 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12697 (ix86_init_sse_abi_builtins): New function.
12698 (ix86_expand_library_builtin): Likewise.
12699 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12700 (override_options): Handle error conditions wrt -msselibm.
12701 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12702 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12703 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12706 2006-01-31 Richard Guenther <rguenther@suse.de>
12707 Paolo Bonzini <bonzini@gnu.org>
12709 * doc/install.texi (--disable-libgcc-math): Document.
12711 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12713 * expr.h (expand_normal): new inline function.
12714 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12715 * dojump.c: use it.
12716 * dwarf2out.c: use it.
12719 * expmed.c: use it.
12720 * except.c: use it.
12721 * config/sparc/sparc.c: use it.
12722 * config/i386/i386.c: use it.
12723 * config/rs6000/rs6000.c: use it.
12724 * config/arm/arm.c: use it.
12725 * config/mips/mips.c: use it.
12726 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12728 2006-01-30 Roger Sayle <roger@eyesopen.com>
12730 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12731 argv to the appropriate type.
12733 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12735 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12738 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12741 * config/s390/s390.c (struct machine_function): New flag
12742 decomposed_literal_pool_addresses_ok_p.
12743 (s390_reorg): Set it before final stage of literal pool transforms.
12744 (s390_decompose_address): Only accept displacements of the form
12745 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12747 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12749 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12750 the comparison routine return.
12752 2006-01-30 Michael Matz <matz@suse.de>
12754 * global.c (find_reg): Only evict for global regs.
12755 Take n_refs into account and dump more info.
12757 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12760 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12761 (pragma_trap, pragma_nosave_low_regs): Likewise.
12762 (current_function_anonymous_args): Likewise.
12763 (sh_deferred_function_attributes): New variable.
12764 (sh_deferred_function_attributes_tail): Likewise.
12765 (print_operand): For '@', look up trap_exit attribute.
12766 (calc_live_regs): Look up trapa_handler attribute. For trapa
12767 handlers, save/restore fpscr, but don't do any other
12768 interrupt-specific saves.
12769 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12770 Fix check for partially saved registers to check for SHmedia.
12771 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12772 (sh_output_function_epilogue): Don't clear any of the removed
12774 (sh_insert_attributes): Don't check pragma_interrupt.
12775 Insert deferred attributes. Check that interrupt attribute is
12776 present for other attributes that require its presence.
12777 (sh_attribute_table): Add new attributes trapa_handler and
12779 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12780 Don't check for pragma_interrupt. Don't store argument.
12781 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12782 (sh_deferred_function_attributes): Declare.
12783 (sh_deferred_function_attributes_tail): Likewise.
12784 * sh.md (sp_switch_1): Add operand. Change generator caller.
12785 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12786 (*return_i): Don't use when trap_exit attribute is in effect.
12787 (*return_trapa): New insn pattern.
12788 * sh-c.c: New file.
12789 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12790 setting c_target_objs and cxx_target_objs.
12791 * t-sh: Add rule for sh-c.o.
12793 2006-01-30 Richard Guenther <rguenther@suse.de>
12796 * gimplify.c (gimplify_target_expr): Handle easy cases
12797 without creating a temporary.
12799 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12801 * vec.h (safe_grow): Remove duplicated line.
12803 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12806 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12807 (expand_omp): ... here.
12808 (expand_omp_parallel): Only remove barriers for combined
12809 parallel+workshare constructs.
12811 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12815 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12816 * tree.c (build_qualified_type): Chain the new type to the original
12817 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12818 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12819 (build_pointer_type_for_mode): Only return unqualified types.
12820 (build_reference_type_for_mode): Likewise.
12822 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12824 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12825 * Makefile.in (CXX_COMPAT_WARN): Define.
12826 * configure: Regenerate.
12828 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12831 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12834 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12836 * toplev.c: Fix thinko.
12838 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12839 Marcin Dalecki <martin@dalecki.de>
12841 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12842 (push_srcloc): Use XNEW.
12843 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12845 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12847 * df-core.c (df_set_blocks): Deleted all variable.
12849 2006-01-28 Ian Lance Taylor <ian@airs.com>
12851 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12852 cgraph_output_pending_asms.
12854 2006-01-28 Zack Weinberg <zackw@panix.com>
12856 * c.opt: Add -W(no-)overlength-strings.
12857 * doc/invoke.texi: Document it.
12858 * c-opts.c (c_common_handle_option): -pedantic implies
12859 -Woverlength-strings, if not explicitly disabled already.
12860 (c_common_post_options): -Woverlength-strings defaults to off, and
12861 is always off for C++.
12862 * c-common.c (fix_string_type): Issue warning about strings longer
12863 than is portable only if warn_overlength_strings. Rearrange code
12864 a little for clarity.
12865 * configure.in: Check for -Wno-overlength-strings as well before
12866 enabling -pedantic in stage 1.
12867 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12868 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12870 * genconditions.c (write_header, write_one_condition)
12871 (write_conditions, write_writer): Consolidate very long strings
12872 that were broken up to fit in C89 portable limit. Don't use
12873 printf when fputs will do.
12875 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12877 * combine.c (simplify_comparison <AND>): Check
12878 TRULY_NOOP_TRUNCATION before start using a subreg.
12880 * config/mips/mips.md (*branch_zero<mode>,
12881 *branch_zero<mode>_inverted, *branch_equality<mode>,
12882 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12883 Remove mode check from comparisons.
12885 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12887 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12889 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12891 * expmed.c (const_mult_add_overflow_p): Remove.
12892 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12894 * recog.c (validate_replace_rtx_subexp): Remove.
12895 * recog.h: Remove the prototype for
12896 validate_replace_rtx_subexp.
12898 * integrate.h: Remove the prototype for
12899 copy_decl_for_inlining.
12900 * rtl.h: Remove the prototype for mark_constant_function.
12901 * tree-vectorizer.h: Remove the prototype for
12902 vect_strip_conversion.
12904 * modulo-sched.c (create_partial_schedule,
12905 free_partial_schedule, reset_partial_schedule): Make them
12908 * hooks.c (hook_bool_rtx_int_false): Remove.
12909 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12911 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12913 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12914 and -mlong-double-128 are incompatible.
12915 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12916 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12917 (TARGET_LIBGCC2_CFLAGS): Define.
12918 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12919 (TARGET_LIBGCC2_CFLAGS): Same.
12920 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12922 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12925 * c-typeck.c (build_binary_op): Perform implicit casts of
12926 operands before shortening them.
12928 * cfgloopmanip.c (split_loop_bb): Remove.
12929 * cfgloop.h: Remove the prototype for split_loop_bb.
12931 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12932 * cfgloop.h: Remove the prototype for
12933 flow_loop_outside_edge_p.
12935 * emit-rtl.c (init_virtual_regs): Make it static.
12936 * function.h: Remove the prototype for init_virtual_regs.
12938 * recog.c (peephole2_optimize): Make it static.
12939 * recog.h: Remove the prototype for peephole2_optimize.
12941 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12943 * df-scan.c (df_record_entry_block_defs): Check if
12944 INCOMING_RETURN_ADDR_RTX is defined.
12946 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12947 Kenneth Zadeck <zadeck@naturalbridge.com>
12949 PR rtl-optimization/24762
12950 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12951 * targhooks.c (hook_void_bitmap): New hook prototype.
12952 * targhoohs.h (hook_void_bitmap): Ditto.
12953 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12954 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12955 * target.h (live_on_entry): New function pointer.
12956 * df-scan.c (df_all_hard_regs): Removed.
12957 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12958 (df_scan_free_internal): Added df->entry_block_defs.
12959 (df_scan_alloc): Ditto.
12960 (df_scan_dump): Ditto.
12961 (df_uses_record): Plumbed flag field properly thru calls.
12962 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12963 This part fixes PR24762.
12964 (df_bb_refs_record): Added code to make the frame and arg
12965 pointers live in EH blocks.
12966 (df_refs_record): Added call to df_record_entry_block_defs.
12967 (df_record_entry_block_defs): New function.
12968 * df-core.c: Added comments to describe new artifical defs.
12969 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12970 (entry_block_defs): New field in struct df.
12971 (df_all_hard_regs): Deleted.
12972 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12973 * df-problems.c (df_ru_bb_local_compute_process_def):
12974 Added code to handle artifical defs in the entry to a function.
12975 (df_ru_bb_local_compute): Ditto.
12976 (df_rd_bb_local_compute_process_def): Ditto.
12977 (df_rd_bb_local_compute): Ditto.
12978 (df_lr_bb_local_compute): Ditto.
12979 (df_ur_bb_local_compute): Ditto.
12980 (df_urec_bb_local_compute): Ditto.
12981 (df_chain_create_bb): Ditto.
12982 (df_ur_local_finalize): Removed entry.
12983 (df_urec_init): Ditto.
12984 (df_urec_local_finalize): Ditto.
12985 (df_ri_bb_compute): Added detection of last use of pseudos.
12986 * Makefile.in (df-scan.o): Updated dependencies.
12987 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12988 * config/mips/mips.c (mips_set_live_on_entry): Added.
12989 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12991 * dce.c (marked_insn_p): Added code to handle artifical defs.
12993 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12995 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12997 (_mm_cvtsi128_si64): Likewise.
12998 (_mm_cvtsd_si64): Likewise.
12999 (_mm_cvttsd_si64): Likewise.
13000 (_mm_cvtsi64_sd): Likewise.
13001 (_mm_cvtsi64_si128): Likewise.
13002 * config/i386/mmintrin.h (_m_from_int64): Likewise.
13003 (_mm_cvtsi64_m64): Likewise.
13004 (_m_to_int64): Likewise.
13005 (_mm_cvtm64_si64): Likewise.
13006 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
13007 (_mm_cvttss_si64): Likewise.
13008 (_mm_cvtsi64_ss): Likewise.
13009 (_mm_cvtss_f32): Likewise.
13011 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
13013 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
13014 for pragma redefine_extname.
13016 2006-01-27 Jakub Jelinek <jakub@redhat.com>
13019 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
13020 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
13021 -mno-minimal-toc to previous content.
13022 (bispecs): Remove goal.
13023 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
13024 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
13025 compatibility aliases on powerpc-*-*gnu*.
13026 * config/rs6000/libgcc-ppc-glibc.ver: New file.
13027 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
13028 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
13029 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
13030 (ldblspecs): New goal.
13031 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
13032 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
13034 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
13035 L_sf_to_tf or L_df_to_tf is defined.
13037 2006-01-27 David Edelsohn <edelsohn@gnu.org>
13038 Alan Modra <amodra@bigpond.net.au>
13041 * config/rs6000/linux.h (POWERPC_LINUX): Define.
13042 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
13043 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
13044 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
13045 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
13046 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
13047 (rs6000_override_options): Initialize rs6000_ieeequad.
13048 Initialize TFmode format to ibm_extended_format if not
13050 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
13052 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
13053 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
13054 (function_arg_advance): IBM long double passed in two FPRs, not
13056 (function_arg): IBM long double passed in FPRs.
13057 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
13058 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
13059 Only multireg GPR aligned.
13060 (rs6000_init_libfuncs): Enable IBM long double functions if not
13062 (rs6000_generate_compare): Use IBM long double compare if not
13064 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
13065 (TARGET_IEEEQUAD): Define.
13066 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
13067 not TARGET_IEEEQUAD.
13068 * config/rs6000/rs6000.md: Enable TFmode patterns if
13070 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
13071 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
13072 and -mlong-double-128 are incompatible.
13073 * doc/invoke.texi (-mabi): Collect options together. Add
13074 ibmlongdouble and ieeelongdouble.
13076 2006-01-27 Richard Sandiford <richard@codesourcery.com>
13078 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
13080 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
13081 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
13082 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
13083 * rtl.h (rtunion_def): Remove rt_ptr.
13085 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
13086 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
13087 * config/i386/winnt.c (i386_pe_mark_dllexport)
13088 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
13090 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
13092 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
13094 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13098 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
13099 pthread_key_delete. From John David Anglin. gthrw-ify
13100 pthread_getunique_np only if it it's not a macro. Delete
13102 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
13103 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
13104 __gthread_objc_condition_signal, __gthread_key_delete): Add
13105 "__attribute__ ((__unused__))" to unused arguments.
13106 (__gthread_recursive_mutex_init_function): Add missing return.
13107 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
13108 gthr-posix95.h: Use macro-based approach for name redirection
13109 on targets missing weakref.
13111 2006-01-26 Zack Weinberg <zackw@panix.com>
13113 * genconditions.c (write_header): In generated code, #ifdef out
13114 all includes and fake declarations, except includes of bconfig.h
13115 and system.h, unless GCC_VERSION >= 3001. Do not include
13116 gensupport.h in any case.
13117 (write_conditions): Generate a definition of struct c_test. Add
13118 a comment to the generated #endif.
13119 (write_one_condition): Escape backslashes in string too.
13120 (write_writer): Generated code must escape backslashes and quote
13121 marks (but not newlines) in the strings it writes.
13122 * Makefile.in (build/gencondmd.o): Update dependencies.
13124 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13127 * Makefile.in (insn-automata.o): Add header file dependencies.
13128 * genautomata.c: Add includes.
13130 2006-01-26 Steve Ellcey <sje@cup.hp.com>
13133 * Makefile.in (insn-automata.o): Add -Wno-error flag.
13135 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13137 * configure.ac: Expect target tools paths to be passed from the toplevel
13138 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
13140 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
13142 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
13145 * c.opt (Wpointer-sign): Init to -1.
13146 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
13147 OPT_pedantic, to 0 otherwise.
13148 * doc/invoke.texi: Update.
13150 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
13152 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
13153 constants provided by 80387 instructions in the destination mode.
13155 2006-01-26 Richard Guenther <rguenther@suse.de>
13156 Andrew Pinski <pinskia@physics.uc.edu>
13159 partial PR tree-opt/17064
13160 * tree-ssa-structalias.c (intra_create_variable_infos):
13161 Create heap variables for incoming parameters if
13162 flag_argument_noalias > 1.
13163 (find_what_p_points_to): Look through default defs of
13166 2006-01-26 Jeff Law <law@redhat.com>
13169 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
13170 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
13171 within the VR_RANGE, use the VR_RANGE as the result, not the
13173 (adjust_range_with_scev): Reject ranges from SCEV which are out of
13174 bounds for the type.
13176 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
13178 * tree-ssa-alias.c (maybe_create_global_var): Change
13179 subvar walking to an assertion that we don't have subvar'd variables.
13181 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
13184 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
13185 Use a new variable, inner. PARM_DECLs are always non-weak.
13187 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
13189 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
13190 --disable-checking.
13192 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
13194 * config/mips/mips.md (*clear_upper32): New combiner pattern.
13196 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
13198 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
13199 (smax_insn, smin_insn, smax_0, smin_0): New.
13201 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
13204 * config/cris/cris.c (cris_order_for_addsi3): New function.
13205 * config/cris/cris-protos.h: Prototype it.
13206 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
13207 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
13208 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
13209 (split for "op.S1 [rx=rx+i],ry (swapped)")
13210 (split for "op(s|u).S1 [rx=rx+i],ry")
13211 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
13212 Apply cris_order_for_addsi3 when generating addsi3 insns.
13214 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13216 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
13217 (TREE_BLOCK): Add call to EXPR_CHECK.
13219 2006-01-25 Diego Novillo <dnovillo@redhat.com>
13222 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
13223 * tree-pretty-print.c (dump_omp_clause): Extract from ...
13224 (dump_omp_clauses): ... here.
13225 (dump_generic_node): Handle OMP_CLAUSE.
13226 * tree.c (omp_clause_num_ops): New.
13227 (omp_clause_code_name): New.
13228 (tree_code_size): Handle OMP_CLAUSE.
13229 (tree_size): Likewise.
13230 (make_node): Document handling of OMP_CLAUSE.
13231 (tree_node_structure): Handle OMP_CLAUSE.
13232 (omp_clause_check_failed): New.
13233 (omp_clause_range_check_failed): New.
13234 (omp_clause_operand_check_failed): New.
13235 (build_omp_clause): New.
13236 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
13237 * tree.h (enum omp_clause_code): Declare.
13238 (OMP_CLAUSE_SUBCODE_CHECK): Define.
13239 (OMP_CLAUSE_RANGE_CHECK): Define.
13240 (OMP_CLAUSE_ELT_CHECK): Define.
13241 (omp_clause_check_failed): Declare.
13242 (omp_clause_operand_check_failed): Declare.
13243 (omp_clause_range_check_failed): Declare.
13244 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
13245 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
13246 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
13247 (OMP_CLAUSE_LASTPRIVATE): Likewise.
13248 (OMP_CLAUSE_IF_EXPR): Likewise.
13249 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
13250 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
13251 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
13252 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
13253 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
13254 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
13255 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
13256 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
13257 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
13258 (OMP_CLAUSE_CODE): Define.
13259 (OMP_CLAUSE_SET_CODE): Define.
13260 (OMP_CLAUSE_CODE): Define.
13261 (OMP_CLAUSE_OPERAND): Define.
13262 (struct tree_omp_clause): Declare.
13263 (union tree_node): Add field 'omp_clause'.
13264 * treestruct.def (TS_OMP_CLAUSE): Define.
13265 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
13266 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
13267 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
13268 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
13269 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
13270 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
13271 (OMP_CLAUSE): Define.
13272 * print-tree.c (print_node): Handle OMP_CLAUSE.
13273 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
13274 * c-typeck.c: Likewise.
13275 * gimplify.c: Likewise.
13276 * c-omp.c: Likewise.
13277 * tree-nested.c: Likewise.
13278 * tree-inline.c: Likewise.
13279 * c-parser.c: Likewise.
13280 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
13283 2006-01-25 Roger Sayle <roger@eyesopen.com>
13285 PR rtl-optimization/25703
13286 * combine.c (try_combine): Handle zero_extract and strict_low_part
13287 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
13289 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
13291 * global.c: Fix comment typos.
13293 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
13296 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
13297 Use output_addr_const instead of assemble_name.
13299 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
13301 * Makefile.in (sched-vis.o): Update dependencies.
13302 * haifa-sched.c (sched_finish): Clear current_sched_info.
13303 * cfg.c (dump_bb_info): New, split from dump_flow_info.
13304 (dump_flow_info): Call it.
13305 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
13307 * basic-block.h (dump_bb_info): Declare.
13308 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
13309 option, and apply options only for dump files whose TDF_RTL,
13310 TDF_TREE, or TDF_IPA bits match.
13311 * rtl.h: Declare new functions exported from sched-vis.c.
13312 * sched-vis.c: Enable also if scheduling is not used.
13313 (print_value): Print the mode of registers if not inside scheduling.
13314 (print_insn): Make it work outside the scheduler. Beautify the output
13316 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
13318 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13320 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
13321 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
13322 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
13323 depending on the value of CONSTANT_POOL_ADDRESS_P.
13324 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
13326 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
13327 rather than SYMBOL_REF_DECL.
13328 (rtx_constant_pool): Remove const_rtx_sym_htab.
13329 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
13330 (init_varasm_status): Don't initialize const_rtx_sym_htab.
13331 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
13332 Remove handling of const_rtx_sym_htab.
13333 (find_pool_constant): Delete.
13334 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
13335 rather than find_pool_constant.
13336 (get_pool_constant_for_function): Delete.
13337 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
13338 find_pool_constant.
13339 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
13340 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
13341 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
13342 (SYMBOL_REF_CONSTANT): New macro.
13343 (get_pool_constant_for_function): Delete.
13344 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
13345 rather than SYMBOL_REF_DECL.
13346 (i386_pe_mark_dllimport): Likewise.
13347 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
13348 rather than SYMBOL_REF_DECL.
13349 * config/darwin.c (machopic_indirect_data_reference): Likewise.
13350 (machopic_indirect_call_target): Likewise.
13352 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
13354 * flow.c (delete_noop_moves): Add missing EOL to dump message.
13356 2006-01-25 Richard Sandiford <richard@codesourcery.com>
13358 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
13360 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
13362 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
13364 2006-01-24 David Daney <ddaney@avtrex.com>
13367 * configure.ac (enable_tls): New enable option.
13368 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
13369 * configure: Regenerate.
13370 * doc/install.texi (--enable-tls): Document new option.
13371 (--disable-tls): Ditto.
13373 2006-01-24 Richard Henderson <rth@redehat.com>
13375 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
13376 * alias.c (true_dependence): Respect it.
13377 (canon_true_dependence, write_dependence_p): Likewise.
13378 * builtins.c (get_builtin_sync_mem): Set it.
13380 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
13382 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
13385 2006-01-24 DJ Delorie <dj@redhat.com>
13387 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
13388 for storing constants in single-bit bitfields.
13390 2006-01-25 Ben Elliston <bje@au.ibm.com>
13392 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
13394 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
13397 * tree-ssa-pre.c (phi_translate): Return NULL
13398 for AGGREGATE_TYPE's.
13400 2006-01-24 Zack Weinberg <zackw@panix.com>
13402 * genautomata.c (process_state_for_insn_equiv_partition):
13403 Use xcalloc for insn_arcs_array.
13404 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
13405 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
13407 2006-01-24 Richard Henderson <rth@redhat.com>
13409 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
13410 update all callers.
13412 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
13414 PR rtl-optimization/25890
13415 PR rtl-optimization/25905
13416 * combine.c (expand_compound_operation, expand_field_assignment):
13417 Fail if the bitfield's final position is out of bounds.
13419 2006-01-24 Ian Lance Taylor <ian@airs.com>
13421 PR middle-end/25930
13422 * cgraphunit.c (cgraph_output_in_order): Don't clear
13423 cgraph_asm_nodes until after asm strings have been output.
13425 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
13427 * fix-header.c (read_scan_file): Add new parameter imultilib when
13428 calling register_include_chains.
13430 2006-01-23 Diego Novillo <dnovillo@redhat.com>
13432 * omp-low.c: Update documentation.
13434 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13435 Daniel Berlin <dberlin@dberlin.org>
13439 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
13440 return from the function.
13442 2006-01-22 Zack Weinberg <zackw@panix.com>
13444 * rtl.def (match_code): Add second argument.
13445 * genpreds.c (write_extract_subexp): New function.
13446 (write_match_code): Add path argument. Use write_extract_subexp.
13447 (write_predicate_expr): Pass path to write_match_code.
13448 (mark_mode_tests): MATCH_CODE applied to a subexpression does
13449 not perform a mode test.
13450 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
13451 a subexpression does not constrain the top-level code set.
13452 * read-rtl.c (read_rtx_variadic): New function.
13453 (read_rtx_1): Use it; allow AND and IOR to be variadic.
13454 * doc/md.texi: Document new notation.
13455 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
13456 (cmpsi_operand): ... here, using new notation.
13458 2006-01-22 Zack Weinberg <zackw@panix.com>
13460 * varray.c: Remove GENERATOR_FILE #ifdefs.
13462 2006-01-22 Zack Weinberg <zackw@panix.com>
13464 * genautomata.c (output_reserved_units_table): Emit nothing if
13465 description->query_units_num is zero. Remove extra blank line.
13466 (output_cpu_unit_reservation_p): Short circuit
13467 if description->query_units_num is zero.
13469 2006-01-22 Zack Weinberg <zackw@panix.com>
13471 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
13472 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
13473 nor any of the random handful of variables that used to be necessary
13474 when this program was linked with rtlanal.o. Prune set of forward
13475 function declarations.
13476 (struct attr_desc): Remove static_p field.
13477 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
13478 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
13479 (attr_string): Do not read the character one past the length of
13481 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
13482 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
13483 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
13484 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
13485 (make_automaton_attrs): New.
13486 (main): Do not call into genautomata. Call local gen_bypass
13487 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
13488 Remove special case for insn_alts.
13489 * genautomata.c: Include gensupport.h; not genattrtab.h nor
13490 varray.h (leftover from previous change). Prune set of forward
13491 function declarations. Remove state_alts fields from all
13492 structures. Remove state_alts_table from struct automaton.
13493 Make everything except main static. Do not maintain num_dfa_decls.
13494 Do not maintain state_alts fields of various structures.
13495 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13496 (add_arc): Remove state_alts argument. All callers updated.
13497 (output_reserved_units_table): Emit #ifdef here...
13498 (output_tables): ...not here. Don't generate state_alts tables.
13499 (expand_automata): Don't generate attributes.
13500 (write_automata): Don't generate state_alts functions.
13501 (main): New function.
13502 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13503 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13504 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13505 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13506 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13507 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13508 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13509 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13511 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13512 * genattrtab.h: Delete file.
13513 * Makefile.in (OBJS-common): Add insn-automata.o.
13514 (insn-automata.o): New rule.
13515 (simple_generated_c): Add insn-automata.c.
13516 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13517 (genprogmd): Add automata.
13518 (build/genattrtab): Needs no extra objects nor libraries.
13519 (build/genautomata): Needs build/vec.o and -lm.
13521 2006-01-22 Zack Weinberg <zackw@panix.com>
13523 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13524 (output_dfa_max_issue_rate, locked_states_num): Delete.
13525 (struct automaton): Add locked_states field.
13526 (output_dead_lock_vect): Save number of locked states in
13527 automaton->locked_states. If it is zero, don't print anything.
13528 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13529 (output_internal_dead_lock_func): Only test the dead_lock_vect
13530 for automata that have locked states.
13531 (output_statistics): Always print the number of locked states for
13532 each automaton. Calculate total number of locked states here.
13533 (write_automata): Don't call output_dfa_max_issue_rate.
13534 * genattrtab.c: Define length_unit_log as a const variable.
13535 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13536 max_insn_queue_index const.
13537 * final.c (length_unit_log): Declare const.
13538 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13540 2006-01-22 Zack Weinberg <zackw@panix.com>
13542 * genautomata.c: Include vec.h, not varray.h.
13543 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13544 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13545 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13546 VEC_* macros operating on appropriately typed vectors, or to
13547 malloced arrays when the size is known in advance. Const-ify
13548 many char* variables and function arguments. No functional changes.
13549 * Makefile.in (build/varray.o): Delete rule.
13550 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13551 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13553 2006-01-22 Zack Weinberg <zackw@panix.com>
13555 * gensupport.c: Define get_insn_name and record_insn_name here.
13556 (read_md_rtx): Call record_insn_name as appropriate.
13557 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13558 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13559 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13561 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13562 (BUILD_VARRAY): Delete.
13563 (genprognormal): Rename genprogmd. Fold in all programs from
13564 genprognoprint; also attrtab.
13565 (build/genattrtab): Just mention genautomata.o and varray.o.
13566 Reorganize a bit, add comments to make the categories clearer.
13568 2006-01-22 Zack Weinberg <zackw@panix.com>
13570 * genconditions.c (condition_table, add_condition): Delete.
13571 (write_conditions): Don't emit n_insn_conditions nor
13572 insn_elision_unavailable. Issue the gcc version #ifdef here,
13573 inside the table, with no #else clause ...
13574 (write_header): ...not here.
13575 (write_writer): New function.
13576 (main): Don't initialize condition_table. Use add_c_test.
13578 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13579 files on the command line.
13580 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13581 Return -1 if there is no entry in the table, don't abort.
13582 (add_c_test, traverse_c_tests): New functions.
13583 * gensupport.h (insn_elision_unavailable, insn_conditions)
13584 (n_insn_conditions): Delete declarations.
13585 (add_c_test, traverse_c_tests): Declare.
13586 * read-rtl.c: Include gensupport.h.
13587 (read_conditions): New function.
13588 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13589 (read_rtx_1): If we get EOF when we were looking for an initial
13590 open paren, return 0. Call read_conditions when appropriate.
13591 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13592 dummy-conditions.o. Eliminate references to insn-conditions.o,
13593 or change them to build/gencondmd.o, as appropriate. Remove
13594 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13595 from $(simple_generated_c). For all files remaining in those
13596 two lists, add insn-conditions.md to the generator command line.
13597 Give insn-constants.h/s-constants their own rules. Add rules
13598 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13599 (build/read-rtl.o): Depend on gensupport.h.
13600 (genprognormal): Include preds.
13601 (genprogearly): Rename genprognoprint; only difference is now that
13602 they don't link with $(BUILD_PRINT).
13603 * dummy-conditions.c: Delete.
13605 2006-01-22 Zack Weinberg <zackw@panix.com>
13607 * genextract.c: Don't include insn-config.h. Do include vec.h.
13608 Declare vectors of int, char, and locstr.
13609 (locstr): New typedef.
13610 (struct extraction): Make all array fields into bare pointers.
13611 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13612 (insn_code_number): Delete.
13613 (accum_extract): New struct.
13614 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13615 (gen_insn): Take insn_code_number as an argument. Use an
13616 accum_extract structure instead of loading data directly into
13617 a struct extraction, and having to know how big it might get.
13618 (walk_rtx): Operate entirely on an accum_extract structure.
13619 (print_path): Avoid unnecessary use of printf.
13620 (print_header): New function, split out of main. Distinguish
13621 more carefully between an unrecognizable insn and an insn that
13622 has the code number of a define_expand.
13623 (main): Pass insn_code_number to gen_insn. Call print_header
13624 only after parsing. Avoid unnecessary use of printf.
13625 * Makefile.in (build/vec.o): New rule.
13626 (build/genextract): Depend on build/vec.o.
13627 (build/genextract.o): Don't depend on insn-config.h.
13629 2006-01-22 Zack Weinberg <zackw@panix.com>
13631 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13632 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13633 practical. Eliminate per-generator-program link rules.
13635 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13637 PR middle-end/24437
13638 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13639 with a call expr to ...
13640 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13642 2006-01-23 Richard Guenther <rguenther@suse.de>
13644 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13645 before make_edge with conditional EDGE_TRUE_VALUE.
13647 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13648 Jan Hubicka <jh@suse.cz>
13649 Richard Guenther <rguenther@suse.de>
13651 PR rtl-optimization/25654
13652 * cfgexpand.c (aggregate_contains_union_type): New function.
13653 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13654 for structure variables that contain a union type.
13656 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13658 * gengtype.c (new_structure): Return the structure.
13659 (create_option): Add an extra "next" argument.
13660 (create_field): New function.
13661 (adjust_field_rtx_def): Use create_option and create_field.
13662 Remove a now-unnecessary call to find_structure.
13663 (adjust_field_tree_def): Likewise.
13664 (note_yacc_type): Remove an unnecessary call to find_structure.
13665 * gengtype.h (new_structure): Return the structure.
13666 (create_option): Add an extra argument.
13667 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13668 (option): Adjust calls to create_option.
13670 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13672 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13674 2006-01-22 Paul Brook <paul@codesourcery.com>
13675 Peter Barada <peter@the-baradas.com>
13677 * config/m68k/m68k.md: Add Coldfire FPU support.
13678 Define FP mode macro and associated attributes.
13679 Use it for float mode patterns.
13680 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13681 (LIBCALL_VALUE): Use m68k_libcall_value.
13682 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13683 (m68k_function_value): Ditto.
13684 (emit_move_sequence): Ditto.
13685 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13686 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13687 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13688 (MULTILIB_EXCEPTIONS): Ditto.
13689 * config/m68k/m68k.opt: Add mcfv4e.
13690 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13691 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13692 (m68k_output_function_prologue): Save ColdFire FPU registers.
13693 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13694 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13695 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13696 ColdFire FPU registers.
13697 (m68k_libcall_value, m68k_function_value): New functions.
13698 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13699 (LIBCALL_VALUE): Use m68k_libcall_value.
13700 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13701 (MASK_COLDFIRE): Add MASK_CFV4E.
13702 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13703 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13704 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13705 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13706 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13707 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13708 * doc/invoke.tex: Document -mcfv4e on m68k.
13710 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13712 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13715 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13718 * c-opts.c (c_common_handle_option): Don't include
13719 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13720 * doc/invoke.texi (C++ Dialect Options): Document that
13721 -Wnon-virtual-dtor is no longer included in -Wall.
13723 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13725 * gcov.c (print_version), gcov-dump.c (print_version),
13726 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13729 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13731 * df-scan.c (problem_SCAN): Added NULL reset function.
13732 (df_scan_reset_blocks): Added code to call reset block function
13733 (df_bb_refs_delete) Fixed comment.
13734 (df_insn_refs_delete): Made tolerant of deleting non existent info
13735 for dataflow problems that need to be reset.
13736 * df-core.c (df_set_blocks): Ditto.
13737 * df.h (struct df_problem): Added reset_fun.
13738 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13739 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13740 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13741 functions to clear out all references to def-use or use-def chains.
13743 2006-01-21 Ben Elliston <bje@au.ibm.com>
13745 * varasm.c (assemble_real): Initialise data array.
13747 2006-01-20 Paul Brook <paul@codesourcery.com>
13749 Merge from csl-arm-branch.
13750 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13751 * config/arm/arm.md (movdi): Force operands[1] to a register
13752 if we have a non-register source.
13753 (*arm_movdi, *movdf_soft_insn): Require that one of the
13754 operands be a register.
13755 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13756 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13758 2006-01-20 DJ Delorie <dj@redhat.com>
13760 * varasm.c (initializer_constant_valid_p): Allow pointers
13761 initialized from integer constants of lesser precision.
13762 (output_constant): Allow non-int-sized pointer modes to be
13763 initialized from integer constants.
13765 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13768 * cppdefault.h (struct default_include): Add multilib flag.
13769 * cppdefault.c (cpp_include_defaults): Set it.
13770 * c.opt (-imultilib): New option.
13771 * c-opts.c (imultilib): New.
13772 (c_common_handle_option): Handle -imultilib.
13773 (c_common_post_options): Likewise.
13774 * c-incpath.c (add_standard_paths, register_include_chains):
13776 * c-incpath.h (register_include_chains): Add extra parameter.
13777 * gcc.c (do_spec_1): Generate -imultilib option.
13778 (The Specs Language): Update %I description.
13779 (process_command): Update copyright notice.
13780 * doc/cppopts.texi (-imultilib): Document.
13781 * doc/invoke.texi (-imultilib): Include in option summary.
13782 (%I): Update specs documentation.
13784 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13786 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13788 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13790 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13793 2006-01-20 Richard Guenther <rguenther@suse.de>
13794 Steven Bosscher <stevenb.gcc@gmail.com>
13796 PR rtl-optimization/24626
13797 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13798 EDGE_TRUE_VALUE if in RTL mode.
13801 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13802 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13804 2006-01-20 Dirk Mueller <dmueller@suse.com>
13807 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13808 instead of a special NOP marker.
13809 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13810 NOP marker handling.
13811 * c-common.h (empty_body_warning): Add forward declaration.
13812 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13813 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13815 2006-01-20 Paul Brook <paul@codesourcery.com>
13817 * Makefile.in (lang_checks): Keep going if mkdir fails.
13819 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13821 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13822 be able to clean out basic block when not necessary.
13823 (df_scan_free): Fixed to properly delete information if df is
13824 unused before calling df_finish.
13825 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13826 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13828 (df_bb_refs_delete): New function.
13829 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13830 * df-core.c (df_set_blocks): Added code to properly clean out
13831 unused blocks if they are not part of the blocks to consider.
13832 Added additional null check.
13833 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13834 be able to clean out basic block when not necessary
13835 * df.h (df_free_bb_function): Ditto.
13836 (df_bb_refs_delete): New function.
13837 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13838 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13839 basic block parameter to be able to clean out basic block when not
13841 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13842 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13843 Fixed to properly delete information if df is unused before
13846 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13848 PR rtl-optimization/25799
13849 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13850 Corrected confluence operator to remove bits from op2 before oring
13851 with op1 rather than removing bits from op1.
13852 (df_ru_transfer_function): Corrected test on wrong bitmap which
13853 caused infinite loop. Both of these problems were introduced in
13854 the dataflow rewrite.
13856 2006-01-19 DJ Delorie <dj@redhat.com>
13858 * reload1.c (find_reload_regs): Note the details of reload
13859 failures in the dump file.
13860 (spill_failure): Likewise.
13862 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13864 * loop-iv.c: Include df.h and hashtab.h.
13865 (enum iv_grd_result): New enum.
13866 (DF_REF_IV, DF_REF_IV_SET): New macros.
13867 (struct biv_entry): New.
13868 (df, bivs): New global variables.
13869 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13870 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13872 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13873 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13874 analyzed_for_bivness_p, record_biv): New functions.
13875 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13876 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13877 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13879 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13881 (iv_number_of_iterations): Use new interface to iv analysis.
13882 * loop-unroll.c: Do not include varray.h.
13883 (analyze_iv_to_split_insn): Use new interface to iv
13885 * loop-unswitch.c (may_unswitch_on): Ditto.
13886 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13888 (df_bb_modify): Realloc tables to the new index.
13889 (df_find_use): New function.
13890 * df.h (df_find_use): Declare.
13891 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13893 * cfgloop.h (struct rtx_iv): Remove analysed field.
13894 (iv_get_reaching_def): Removed.
13895 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13896 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13897 (loop-iv.o): Add df.h and hashtab.h dependency.
13898 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13900 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13903 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13905 (__floatundisf, __floatundidf): Likewise.
13906 * libgcc2.h (IS_IBM_EXTENDED): Define.
13908 2006-01-19 DJ Delorie <dj@redhat.com>
13910 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13912 2006-01-19 Paul Brook <paul@codesourcery.com>
13914 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13915 as nothrow when unwinding tables are disabled.
13917 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13920 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13921 of bit-field" when in system header.
13923 2006-01-19 DJ Delorie <dj@redhat.com>
13925 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13926 the 16 bit shift limit of the m16c.
13928 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13931 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13932 * config/i386/i386.c (output_set_got): Output the label if we have one
13933 for the TARGET_DEEP_BRANCH_PREDICTION case.
13935 2006-01-19 Jan Hubicka <jh@suse.cz>
13936 H.J. Lu <hongjiu.lu@intel.com>
13937 Evandro Menezes <evandro.menezes@amd.com>
13939 * invoke.texi (generic): Document
13941 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13942 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13943 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13944 (x86_use_incdec, x86_pad_returns): New variables
13945 (TARGET_CPU_DEFAULT_generic): New constant
13946 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13947 (enum processor_type): Add generic32 and generic64.
13948 * i386.md (cpu attribute): Add generic32/generic64
13949 (movhi splitter): Behave sanely when both partial_reg_dependency and
13950 partial_reg_stall are set.
13951 (K8 splitters): Enable for generic as well.
13952 * predicates.md (incdec_operand): Use TARGET_INCDEC
13953 (aligned_operand): Avoid memory mismatch stalls.
13954 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13955 * ppro.md: Enable for generic32
13956 * i386.c (generic64_cost, generic32_cost): New.
13957 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13958 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13959 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13960 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13961 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13962 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13963 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13964 x86_accumulate_outgoing_args, x86_prologue_using_move,
13965 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13966 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13967 Enable for generic.
13968 (x86_use_incdec, x86_pad_returns): New.
13969 (override_options): Add generic32 and generic64, translate "generic"
13970 to generic32/generic64 and "i686" to "generic32", refuse
13971 "generic32"/"generic64" as arch target.
13972 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13973 (ix86_reorg): Honor PAD_RETURNS.
13975 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13977 * tree-pretty-print.c (dump_generic_node): Handle
13978 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13979 * cgraph.c (cgraph_expand_queue): Rename from
13980 cgraph_analyze_queue. Update all users.
13981 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13982 cgraph_expand_queue.
13983 (cgraph_expand_all_functions): Likewise.
13984 (cgraph_finalize_pending_functions): Remove. Update callers.
13986 * tree.h (OMP_DIRECTIVE_P): Define.
13987 (OMP_PARALLEL_FN): Define.
13988 (OMP_PARALLEL_DATA_ARG): Define.
13989 (OMP_SECTIONS_SECTIONS): Define.
13990 * tree-pass.h (pass_expand_omp): Declare.
13991 * omp-low.c (struct omp_region): Declare.
13992 (struct omp_context): Remove fields 'parallel_type',
13993 'parallel_start_ix' and 'parallel_start_additional_args'.
13995 (struct omp_for_data): Rename from struct expand_omp_for_data.
13996 (omp_regions): New static variable.
13997 (root_omp_region): New static variable.
13998 (find_omp_clause): Make static.
13999 (is_in_combined_parallel_ctx): Remove.
14000 (is_combined_parallel): New.
14001 (extract_omp_for_data): Move earlier in the file.
14002 (workshare_safe_to_combine_p): New.
14003 (get_ws_args_for): New.
14004 (determine_parallel_type): Move earlier in the file.
14005 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
14007 (omp_copy_decl): Likewise.
14008 (create_omp_child_function): Likewise.
14009 (lookup_omp_region): New.
14010 (dump_omp_region): New.
14011 (debug_omp_region): New.
14012 (debug_all_omp_regions): New.
14013 (new_omp_region): New.
14014 (scan_omp_parallel): If parallel_nesting_level > 1, the
14015 directive is nested within another parallel directive.
14016 Set OMP_PARALLEL_FN.
14017 (scan_omp_for): Do not try to handle combined parallel+for
14019 Remove FIXME comment.
14020 (scan_omp_nested): Remove.
14021 (scan_omp_1): Do not call scan_omp_nested when
14022 parallel_nesting_level is > 1.
14023 Do not change the DECL_CONTEXT of local variables found.
14024 (lookup_decl_in_outer_ctx): New.
14025 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
14026 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
14027 (lower_reduction_clauses): Rename from expand_reduction_clauses.
14028 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
14029 If CTX is nested, lookup VAR in the outer context when
14030 building copy assignment.
14031 (lower_send_clauses): Rename from expand_send_clauses.
14032 If CTX is nested, lookup VAR in the outer context when
14033 building copy assignments.
14034 (lower_send_shared_vars): Rename from expand_send_shared_vars.
14035 If CTX is nested, lookup VAR in the outer context when
14036 building copy assignments.
14037 (expand_parallel_call): Rename from build_parallel_call.
14038 Handle combined parallel+workshare cases.
14039 Re-implement to emit code into the CFG.
14041 (expand_omp_parallel): Re-implement to emit code into the CFG.
14042 Call move_sese_region_to_fn to outline the sub-graph
14043 containing the parallel region.
14044 (expand_omp_for_1): Remove.
14045 (expand_omp_for_generic): Re-implement to emit code into the
14047 (expand_omp_for_static_nochunk): Likewise.
14048 (expand_omp_for_static_chunk): Likewise.
14049 (expand_omp_for): Likewise.
14050 (expand_omp_sections): Likewise.
14051 (remove_exit_barriers): New.
14052 (expand_omp_synch): New.
14054 (build_omp_regions_1): New.
14055 (build_omp_regions): New.
14056 (execute_expand_omp): New.
14057 (gate_expand_omp): New.
14058 (pass_expand_omp): Define.
14059 (lower_omp_sections): Rename from expand_omp_sections.
14060 Set OMP_SECTIONS_SECTIONS.
14061 (lower_omp_single_simple): Rename from expand_omp_single_simple.
14062 (lower_omp_single_copy): Rename from expand_omp_single_copy.
14063 (lower_omp_single): Rename from expand_omp_simple.
14064 (lower_omp_master): Rename from expand_omp_master.
14065 (lower_omp_ordered): Rename from expand_omp_ordered.
14066 (lower_omp_critical): Rename from expand_omp_critical.
14067 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
14068 (lower_omp_for): Re-implement.
14069 (lower_omp_parallel): Re-implement.
14070 (lower_regimplify): Rename from expand_regimplify.
14071 (lower_omp_1): Rename from expand_omp_1.
14072 If there are syntax errors in the program, replace every
14073 OpenMP directive with NOP.
14074 Call lower_omp_* instead of expand_omp_*.
14075 (lower_omp): Rename from expand_omp.
14077 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
14078 * tree-gimple.h (enum omp_parallel_type): Remove.
14079 (gimple_boolify): Declare extern.
14080 (find_omp_clause, determine_parallel_type): Remove.
14082 * gimple-low.c (lower_omp_directive): New.
14083 (lower_stmt): Call it.
14084 (record_vars_into): Move from ...
14085 (record_vars): ... here.
14086 Call record_vars_into with current_function_decl.
14088 * gimplify.c (struct gimplify_ctx): Remove fields
14089 combined_pre_p and combined_ctxp. Update users.
14090 (get_formal_tmp_var): Add documentation.
14091 (gimple_boolify): Make extern.
14092 (gimplify_expr_in_ctx): Remove. Update callers.
14093 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
14094 will always be a BIND_EXPR.
14095 (gimplify_expr): Handle OMP_RETURN_EXPR.
14096 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
14097 (OMP_PARALLEL): Add 3 operands.
14098 (OMP_SECTIONS): Add 1 operand.
14099 (OMP_RETURN_EXPR): Define.
14101 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
14102 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
14103 * tree-iterator.c (alloc_stmt_list): Assert that we are not
14104 creating a circular free list.
14105 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
14107 * tree-flow.h (move_sese_region_to_fn): Declare.
14108 (record_vars_into): Declare.
14109 * tree-cfg.c (make_omp_sections_edges): New.
14110 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
14111 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
14112 OMP_SECTIONS and OMP_SECTION.
14113 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
14114 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
14115 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
14116 (gather_blocks_in_sese_region): New.
14117 (struct move_stmt_d): Declare.
14118 (move_stmt_r): New.
14119 (move_block_to_fn): New.
14120 (move_sese_region_to_fn): New.
14122 * passes.c (init_optimization_passes): Schedule
14123 pass_expand_omp after pass_init_datastructures.
14125 * tree-ssa-operands.c (get_expr_operands): Handle
14126 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
14127 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
14129 2006-01-19 Jeff Law <law@redhat.com>
14131 * tree-vrp.c (extract_range_from_assert): Refine the result range
14132 if the variable referenced by the ASSERT_EXPR has a range and
14133 either the tentative result range or the previous range is a
14136 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14138 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
14140 2006-01-19 Jan Hubicka <jh@suse.cz>
14142 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
14144 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
14146 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
14147 (expand_compound_operation, expand_field_assignment): Fail if the
14148 bit lengths of an extract operation are out of range.
14149 (make_extraction): Compute wanted_inner_mode based on the position
14150 and length of the extraction. Make it extraction_mode for non-constant
14151 positions, and do not modify offset in that case. When generating a
14152 new MEM, use a mode that can hold the extraction while keeping correct
14153 alignment. Remove code that supported MEMs wrapped by USEs.
14154 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
14156 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
14158 * config/s390/s390.md ("Y", "y"): New mode attribute.
14159 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
14160 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
14161 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
14162 "*addsi3_imm_cc", "*addsi3_carry1_cc",
14163 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
14164 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
14165 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
14166 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
14167 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
14168 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
14169 "addsi3", "subsi3"): Insn patterns removed.
14170 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
14171 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
14172 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
14173 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
14174 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
14175 "*sub<mode>3_cconly2"): New insn patterns.
14176 ("addsi3", "subsi3"): New expanders.
14178 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
14180 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
14181 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
14182 existing STMT_VINFO_VECTYPE if available.
14183 (vect_mark_relevant): Add special handling for stmts that are
14184 marked as STMT_VINFO_IN_PATTERN_P.
14185 (vect_analyze_loop): Call vect_pattern_recog.
14186 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
14187 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
14189 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
14190 (vect_recog_func_ptr): New function-pointer type.
14191 * tree-vect-patterns.c: New file.
14192 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
14193 (vect_recog_dot_prod_pattern, vect_pattern_recog):
14194 (vect_pattern_recog_1): New functions.
14195 (vect_pattern_recog_funcs): New array of function pointers.
14197 * tree-vectorizer.h (ternary_op): New enum value.
14198 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
14199 declaration. Revised documentation. Removed redundant dump prints.
14200 Removed redundant argument. Added support for reduction patterns.
14201 (vectorizable_reduction): Added support for reduction patterns.
14202 (vect_transform_stmt): Added support for patterns.
14204 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
14205 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
14206 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
14207 (expand_widen_pattern_expr): New function.
14208 (init_optabs): Initialize new optabs udot_prod_optab,
14210 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
14211 (sdot_prod_optab, udot_prod_optab): Define new optabs.
14212 (expand_widen_pattern_expr): New function declaration.
14213 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
14215 * tree-inline.c (estimate_num_insns_1): Added cases for new
14216 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14217 * tree-pretty-print.c (dump_generic_node): Likewise.
14218 (op_prio): Likewise.
14219 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
14220 * tree-ssa-operands.c (get_expr_operands): Added case for
14222 * tree-vect-patterns.c (widened_name_p): New function.
14223 (vect_recog_dot_prod_pattern): Added function implementation.
14224 * tree-vect-transform.c (get_initial_def_for_reduction): Added
14225 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
14226 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
14227 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
14229 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
14230 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
14231 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
14232 (init_optabs): Initialize new optabs widen_ssum_optab,
14234 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
14235 (widen_ssum_optab, widen_usum_optab): Define new optabs.
14236 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
14237 use instead of type of def.
14238 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
14239 function implementation.
14240 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
14241 widen_ssumv8hi): New.
14243 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
14246 2006-01-19 Richard Sandiford <richard@codesourcery.com>
14249 * c-decl.c (add_flexible_array_elts_to_size): New function.
14250 (finish_decl): Use it.
14252 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
14254 * diagnostic.h: Include options.h.
14255 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
14256 dependancies for diagnostic.h.
14257 * Makefile.in (DIAGNOSTIC_H): Add options.h.
14259 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
14261 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
14262 (ssa_ro_call_cache_valid): Ditto.
14263 * tree-ssa-alias.c (sort_tags_by_id): New function.
14264 (init_transitive_clobber_worklist): Ditto.
14265 (add_to_worklist): Ditto.
14266 (mark_aliases_call_clobbered): Ditto.
14267 (compute_tag_properties): Ditto.
14268 (set_initial_properties): Ditto.
14269 (compute_call_clobbered): Ditto.
14270 (compute_may_aliases): Call compute_call_clobbered and grouping.
14271 (compute_flow_sensitive_aliasing): Remove clobbering related code.
14272 (compute_flow_insensitive_aliasing): Grouping now happens in our
14274 (setup_pointers_and_addressables): Remove clobbering related code.
14275 (add_may_alias): Ditto.
14276 (replace_may_alias): Ditto.
14277 (get_nmt_for): Ditto.
14278 (create_global_var):
14279 (is_escape_site): Return an escape_type enumeration.
14280 * tree-flow-inline.h (is_call_clobbered): Global var does not
14281 imply call clobbered.
14282 (mark_call_clobbered): Take a reason for marking this. Remove
14283 marking of globalness, and cache invalidation.
14284 (clear_call_clobbered): Remove cache invalidation code.
14285 * tree-dfa.c (dump_variable): If details is on, dump the reason
14287 * tree-outof-ssa.c (create_temp): Copy escape mask from original
14289 * tree-flow.h (struct ptr_info_def): Add escape mask member.
14290 (struct var_ann_d): Ditto.
14291 (enum escape_type): New.
14292 (mark_call_clobbered): Adjust prototype.
14293 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
14294 are never call clobbered.
14295 Record reasons for escaping.
14296 * tree-ssa-structalias.h (is_escape_site): Update prototype.
14297 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
14298 (ssa_ro_call_cache_valid): Ditto.
14299 (clobbered_v_may_defs): Ditto.
14300 (clobbered_vuses): Ditto.
14301 (ro_call_vuses): Ditto.
14302 (clobber_stats): New.
14303 (init_ssa_operands): Zero out clobber stats.
14304 (fini_ssa_operands): Print out clobber stats.
14305 (get_call_expr_operands): Pass callee fndecl to
14306 add_call_read_ops).
14307 (add_call_clobber_ops): Remove use of cache.
14308 Add use of PURE_CONST information.
14309 (add_call_read_ops): Remove use of cache.
14310 Add use of static not_read information.
14312 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
14314 Introduce TLS descriptors for i386 and x86_64.
14315 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
14316 (TARGET_ANY_GNU_TLS): New macro.
14317 (enum tls_dialect): Added TLS_DIALECT_GNU2.
14318 (struct machine_function): Add tls_descriptor_call_expanded_p.
14319 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
14320 (ix86_current_function_calls_tls_descriptor): Likewise.
14321 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
14322 (override_options): Introduce gnu2 tls dialect.
14323 (ix86_frame_pointer_required): Functions containing TLSCALLs are
14325 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
14327 (legitimize_tls_address): Adjust logic for GNU2 TLS.
14328 (ix86_init_machine_status): Initialize new field.
14329 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
14330 (ix86_tls_module_base): New.
14331 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
14332 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
14333 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
14334 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
14335 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
14336 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
14337 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
14338 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
14339 * config/i386/predicates.md (tls_modbase_operand): New.
14340 (tp_or_register_operand): New.
14342 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
14344 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
14345 (look_for_address_of): Ditto.
14346 (ipa_init): Walk the function decls.
14347 (static_execute): Don't set readonly on FUNCTION_DECL's.
14349 2006-01-18 Roger Sayle <roger@eyesopen.com>
14351 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
14352 for shifts where the source and destination registers are different.
14354 2006-01-18 Paul Brook <paul@codesourcery.com>
14356 Merge from csl-arm-branch.
14357 2005-03-14 Julian Brown <julian@codesourcery.com>
14358 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
14359 (aeabi_llsl): Likewise.
14360 (ashrdi3): Likewise.
14361 (aeabi_lasr): Likewise.
14362 (lshrdi3): Likewise.
14363 (aeabi_llsr): Likewise.
14364 2005-03-10 Julian Brown <julian@codesourcery.com>
14365 * config.gcc: Disable shared libgcc for SymbianOS.
14366 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
14368 2006-01-18 DJ Delorie <dj@redhat.com>
14370 * c-pragma.c (handle_pragma_diagnostic): New.
14371 (init_pragma): Register it.
14372 * doc/extend.texi: Document it.
14374 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
14375 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
14376 (diagnostic_context): Add classify_diagnostic[].
14377 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
14378 as errors if they're overridden to DK_WARNING.
14379 (diagnostic_initialize): Initialize classify_diagnostic[].
14380 (diagnostic_set_kind_override): New.
14381 (diagnostic_report_diagnostic): Check for kind changes.
14382 * opts.c (common_handle_option): Take lang_mask. Update callers.
14383 Handle OPT_Werror_.
14384 * common.opt (Werror=): New.
14385 * doc/invoke.texi: Document -Werror=*
14387 2006-01-18 Jeff Law <law@redhat.com>
14389 * tree-vrp.c (test_for_singularity): Correct test for new
14390 min limit. Use operand_equal_p rather than pointer equality
14391 for testing if new min/max values are equal.
14393 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
14394 using range information until after propagation and folding.
14396 2006-01-18 Richard Henderson <rth@redhat.com>
14397 Aldy Hernandez <aldyh@redhat.com>
14398 Jakub Jelinek <jakub@redhat.com>
14399 Diego Novillo <dnovillo@redhat.com>
14401 * omp-low.c: New file.
14402 * c-omp.c: New file.
14404 2006-01-18 Richard Henderson <rth@redhat.com>
14405 Jakub Jelinek <jakub@redhat.com>
14406 Diego Novillo <dnovillo@redhat.com>
14408 * doc/invoke.texi: Document -fopenmp.
14409 * tree-dump.h (debug_function): Declare.
14410 * hooks.c (hook_bool_tree_bool_false): New function.
14411 (hook_tree_tree_null): Remove.
14412 (hook_tree_tree_tree_null): New.
14413 * hooks.h: Update to match.
14414 * tree-pretty-print.c (debug_tree_chain): New.
14415 (print_generic_expr): Handle TDF_CHAIN.
14416 (dump_generic_node): Handle BLOCK.
14417 Do not abort with incomplete SWITCH_EXPRs.
14418 Do not dump body of an OpenMP directive if TDF_SLIM is given.
14419 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
14420 print space after directive name.
14421 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
14422 Handle OMP_MASTER and OMP_ORDERED.
14423 Handle printing of OMP_BODY just in one place, goto
14424 dump_omp_body in the rest of OMP_* nodes that have
14426 Don't handle clause nodes here. Update omp statements to
14427 use dump_omp_clauses.
14428 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
14429 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
14430 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
14431 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
14432 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
14433 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
14434 Adjust output for GOMP_PARALLEL.
14435 (dump_omp_clauses): New.
14436 (print_declaration): Dump DECL_VALUE_EXPR.
14437 (op_symbol_1): Split out of op_symbol.
14438 (dumping_stmts): Remove. Update all users.
14439 * cgraph.c (cgraph_analyze_queue): New.
14440 (cgraph_add_new_function): New.
14441 * cgraph.h (cgraph_analyze_queue): Declare.
14442 (cgraph_add_new_function): Declare.
14443 (cgraph_lower_function): Remove.
14444 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
14445 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
14446 and TYPE_P nodes in its default clause.
14447 (empty_body_p): New.
14448 (tree_range_check_failed): New.
14449 (build5_stat): New.
14450 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
14451 OMP_CLAUSE_REDUCTION_MERGE,
14452 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
14453 OMP_CLAUSE_PRIVATE_DEBUG,
14454 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
14455 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
14456 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
14457 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
14458 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
14459 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
14460 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
14461 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
14462 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
14463 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
14464 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
14465 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
14466 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
14467 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
14468 (TREE_RANGE_CHECK): New.
14469 (empty_body_p): Declare.
14470 (enum omp_clause_default_kind): New.
14471 (build_string_literal): Declare.
14472 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
14473 (build5_stat, build5): Declare.
14474 * tree-pass.h (TDF_CHAIN): Define.
14475 * tree-pass.h (PROP_gimple_lomp): Define.
14476 (pass_lower_omp): Declare.
14477 * diagnostic.h (debug_tree_chain): Declare.
14478 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
14480 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
14481 * builtins.c (build_string_literal): Make extern.
14482 * gcc.c (include_spec_function): New.
14483 (static_spec_functions): Add it.
14484 (main): Move load of libgomp.spec ...
14485 (LINK_COMMAND_SPEC): ... here.
14486 (link_gomp_spec): New.
14487 (static_specs): Include it.
14488 (LINK_COMMAND_SPEC): Add link_gomp.
14489 (GOMP_SELF_SPECS): New.
14490 (driver_self_specs): Include it.
14491 (switch_matches): Don't mark inline.
14492 (main): Load libgomp.spec.
14493 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
14494 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
14495 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14496 * tree-gimple.h (enum omp_parallel): Declare.
14497 (determine_parallel_type): Declare.
14498 (omp_firstprivatize_variable): Declare.
14499 (omp_reduction_init): Declare.
14500 (diagnose_omp_structured_block_errors): Declare.
14501 (struct walk_stmt_info): Add want_return_expr.
14502 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14503 (find_omp_clause): Declare.
14504 (insert_field_into_struct): Declare.
14505 (struct walk_stmt_info): Move from tree-nested.c
14506 (walk_stmts): Declare.
14507 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14509 * cgraphunit.c (cgraph_lower_function): Make static.
14510 (cgraph_finalize_pending_functions): New.
14511 (cgraph_finalize_function): Call it.
14512 (cgraph_finalize_compilation_unit): Likewise.
14513 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14514 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14515 (BT_FN_UINT_UINT): New.
14516 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14517 DEF_FUNCTION_TYPE_VAR_4): Document.
14518 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14519 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14520 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14521 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14522 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14523 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14524 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14525 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14526 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14527 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14528 into separate files.
14529 (DEF_GOMP_BUILTIN): New.
14530 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14531 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14532 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14533 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14534 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14535 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14536 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14537 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14538 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14539 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14540 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14541 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14542 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14543 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14544 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14545 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14546 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14547 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14548 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14549 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14550 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14551 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14552 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14553 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14554 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14555 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14556 * sync-builtins.def: New file, moved from builtins.def.
14557 * omp-builtins.def: New file, moved from builtins.def.
14558 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14559 * gimple-low.c (lower_function_body): Clear data.
14560 (lower_stmt): Do not handle COMPOUND_EXPR.
14561 Remove call to print_node_brief.
14562 * c-tree.h (c_finish_omp_clauses): New prototype.
14563 (C_DECL_THREADPRIVATE_P): Define.
14564 (lookup_name_no_remap, c_omp_remap_private): Remove
14565 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14566 (check_for_loop_decls): Update decl.
14567 (lookup_name_no_remap, c_omp_remap_private): Declare.
14568 (build_indirect_ref, build_modify_expr, pushdecl,
14569 pushdecl_top_level): Move to c-common.h.
14570 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14571 before the switch, but just in the 2 places that need it.
14572 * c-decl.c (diagnose_mismatched_decls): Do not check for
14573 mismatched thread-local attributes when OLDDECL is marked
14574 threadprivate and NEWDECL has no thread-local attributes.
14575 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14576 (c_gimple_diagnostics_recursively): Rename from
14577 c_warn_unused_result_recursively. Invoke
14578 diagnose_omp_structured_block_errors.
14579 (check_for_loop_decls): Return a singular decl found.
14580 * langhooks.c (lhd_omp_predetermined_sharing): Return
14581 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14582 (lhd_omp_firstprivatize_type_sizes): New.
14583 (lhd_omp_assignment): New.
14584 (lhd_omp_predetermined_sharing): New.
14585 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14586 (struct lang_hooks_for_types): Add
14587 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14588 omp_predetermined_sharing, omp_disregard_value_expr,
14589 omp_private_debug_clause, omp_clause_default_ctor,
14590 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14591 (c_finish_omp_clauses): New.
14592 (c_finish_bc_stmt): Diagnose break within omp for.
14593 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14594 (build_unary_op): Return error_mark after reporting
14596 (build_modify_expr): Likewise.
14597 * gimplify.c: Include optabs.h and pointer-set.h.
14598 (enum gimplify_omp_var_data): Declare.
14599 (struct gimplify_omp_ctx): Declare.
14600 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14602 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14603 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14604 (splay_tree_compare_decl_uid): New.
14605 (new_omp_context): New.
14606 (delete_omp_context): New.
14607 (gimple_add_tmp_var): Call omp_add_variable.
14608 (gimplify_bind_expr): Likewise.
14609 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14610 true, disregard DECL_VALUE_EXPR on the decl if any.
14611 (gimplify_expr_in_ctx): New.
14612 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14613 omp_add_variable, omp_notice_variable, omp_is_private
14614 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14615 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14616 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14617 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14618 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14619 gimplify_omp_atomic): New.
14620 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14621 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14622 OMP_CRITICAL and OMP_ATOMIC.
14623 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14624 * c-pragma.h (enum pragma_kind): Add
14625 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14626 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14627 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14628 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14629 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14630 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14631 PRAGMA_OMP_THREADPRIVATE.
14632 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14633 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14634 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14635 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14636 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14637 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14638 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14639 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14640 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14641 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14642 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14643 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14644 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14646 (struct nesting_info): Add field_map,
14647 suppress_expansion, debug_var_chain.
14648 (create_nesting_tree): Initialize them.
14649 (lookup_field_for_decl): Use field_map.
14650 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14651 (convert_local_omp_clauses): New.
14652 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14653 (walk_body): Split out of walk_function.
14654 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14655 (convert_nonlocal_reference): Handle omp statements.
14656 (convert_local_reference): Likewise.
14657 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14658 (unnest_nesting_tree): New.
14659 (lower_nested_functions): Call it.
14660 (insert_field_into_struct): Make extern.
14661 (struct walk_stmt_info): Move to tree-gimple.h.
14662 (walk_stmts): Make extern.
14663 * omp-builtins.def: New file.
14664 * tree-iterator.c (expr_only): Clarify comment.
14665 * c-common.h (pushdecl_top_level, pushdecl,
14666 build_modify_expr, build_indirect_ref,
14667 c_finish_omp_master, c_finish_omp_critical,
14668 c_finish_omp_ordered, c_finish_omp_barrier,
14669 c_finish_omp_atomic, c_finish_omp_flush,
14670 c_finish_omp_for, c_split_parallel_clauses,
14671 omp_clause_default_kind, c_omp_sharing_predetermined,
14672 c_omp_remap_decl): Declare.
14673 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14674 (OBJS-common): Add omp-low.o.
14675 (c-omp.o, omp-low.o): Add.
14676 (gimplify.o): Add dependency on $(OPTABS_H).
14677 (GTFILES): Add omp-low.c.
14678 (gt-stringpool.h): Add.
14679 * tree-cfg.c (set_bb_for_stmt): Do not update the
14680 block-to-labels map if we are currently expanding to RTL.
14681 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14683 Handle IDENTIFIER_NODE.
14684 (tree_verify_flow_info): Do not ICE when emitting error
14685 messages about invalid labels.
14686 (dump_function_to_file): Reset CFUN before emitting the body
14688 (debug_function): New.
14689 * passes.c (init_optimization_passes): Schedule
14691 * langhooks-def.h (lhd_omp_predetermined_sharing,
14692 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14694 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14695 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14696 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14697 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14698 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14699 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14700 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14701 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14702 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14703 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14704 (LANG_HOOK_DECLS): Use them.
14706 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14707 Richard Henderson <rth@redhat.com>
14708 Jakub Jelinek <jakub@redhat.com>
14709 Diego Novillo <dnovillo@redhat.com>
14711 * c-parser.c (pragma_omp_clause): Define.
14712 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14713 (c_parser_compound_statement): Likewise.
14714 (c_parser_statement): Likewise.
14715 (c_parser_pragma): Handle omp pragmas.
14716 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14717 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14718 (c_parser_omp_clause_name, check_no_duplicate_clause,
14719 c_parser_omp_variable_list,
14720 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14721 c_parser_omp_clause_copyprivate,
14722 c_parser_omp_clause_default,
14723 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14724 c_parser_omp_clause_lastprivate,
14725 c_parser_omp_clause_nowait,
14726 c_parser_omp_clause_num_threads,
14727 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14728 c_parser_omp_clause_reduction,
14729 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14730 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14731 c_parser_omp_atomic, c_parser_omp_barrier,
14732 c_parser_omp_critical, c_parser_omp_flush,
14733 c_parser_omp_for_loop, c_parser_omp_for,
14734 c_parser_omp_master, c_parser_omp_ordered,
14735 c_parser_omp_sections_scope, c_parser_omp_sections,
14736 c_parser_omp_parallel, c_parser_omp_single,
14737 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14738 * c-pragma.c (init_pragma): Do omp pragma registration here.
14739 * c.opt (fopenmp): New flag.
14741 2006-01-18 Eric Christopher <echristo@apple.com>
14743 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14744 * config/darwin.h (GOMP_SELF_SPECS): Define.
14746 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14748 * rtl.h: Remove the prototype for reg_alloc.
14750 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14753 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14754 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14755 sjlj and dwarf2 exception handling.
14756 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14757 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14758 * pa/pa.c (function_value): Treat complex and vector types as
14760 (function_arg): Likewise. Only pass scalar floats in the floating
14761 point argument registers.
14762 * pa/t-slibgcc-dwarf-ver: New file.
14763 * pa/t-slibgcc-sjlj-ver: New file.
14764 * pa/t-slibgcc-elf-ver: Delete file.
14766 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14768 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14769 unlikely_test_section_p test.
14771 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14773 * mode-switching.c (optimize_mode_switching): Make it static.
14774 * basic-block.h: Remove the prototype for
14775 optimize_mode_switching.
14777 * modulo-sched.c (sms_schedule): Make it static.
14778 * rtl.h: Remove the prototype for sms_schedule.
14780 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14781 * rtl.h: Remove the prototype for gcse_after_reload_main.
14783 * reg-stack.c (reg_to_stack): Make it static.
14784 * rtl.h: Remove the prototype for reg_to_stack.
14786 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14788 * rtl.h: Remove the prototypes for regrename_optimize and
14789 copyprop_hardreg_forward.
14791 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14793 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14794 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14795 Test against the appropriate null constant for the mode.
14796 If 'fixup_overlap' is true, swap the operands if they overlap.
14797 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14798 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14799 alpha_split_tmode_pair and adjust for above change.
14800 * config/alpha/alpha.md (movtf_internal): Adjust call to
14801 alpha_split_tfmode_pair and rely on it to swap the operands.
14802 (movti_internal): New insn and post-reload splitter.
14803 (movti): New expander.
14805 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14807 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14810 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14812 * rtlanal.c (global_reg_mentioned_p_1,
14813 global_reg_mentioned_p): Remove.
14814 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14816 * flow.c (initialize_uninitialized_subregs): Make it static.
14817 * rtl.h: Remove the prototype for
14818 initialize_uninitialized_subregs.
14820 * function.c (instantiate_virtual_regs): Make it static.
14821 * function.h: Remove the prototype for
14822 instantiate_virtual_regs.
14824 * regmove.c (regmove_optimize, combine_stack_adjustments):
14826 * rtl.h: Remove the prototypes for regmove_optimize and
14827 combine_stack_adjustments.
14829 2006-01-17 Roger Sayle <roger@eyesopen.com>
14831 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14832 (size_cost): Encode costs in bytes so that a reg-reg addition is
14833 equivalent to COSTS_N_INSNS(1).
14834 (override_options): Use the size_cost.branch_cost as the default
14835 ix86_branch_cost when optimizing for size.
14837 2006-01-18 Ben Elliston <bje@au.ibm.com>
14839 * Makefile.in (D32PBIT_FUNCS): New.
14840 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14841 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14842 D64PBIT_FUNCS and D128PBIT_FUNCS.
14843 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14844 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14846 (decnumber_dep): Define.
14847 * doc/libgcc.texi (Decimal float library routines): New node.
14848 * config/dfp-bit.h, config/dfp-bit.c: New files.
14850 2006-01-18 Ben Elliston <bje@au.ibm.com>
14852 * expr.c (emit_move_change_mode): Always adjust addresses, not
14853 just during reload. Copy replacements only during reload.
14854 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14855 emit_move_via_integer.
14857 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14859 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14860 instead of $(srcdir) and ${srcdir}.
14862 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14865 PR middle-end/11135
14866 * arm.h (struct machine_function): Add pic_reg.
14867 * arm.c (arm_pic_register): Make unsigned.
14868 (arm_override_options): Only set arm_pic_register if
14869 TARGET_SINGLE_PIC_BASE.
14870 (use_return_insn): Only test for a pic register if it is fixed.
14871 (arm_compute_save_reg0_reg12_mask): Likewise.
14872 (thumb_compute_save_reg_mask): Likewise.
14873 (legitimate_pic_operand): Factor out some known invariants.
14874 (legitimize_pic_address): If we don't have a fixed pic register,
14875 then set up a pseudo in the function entry sequence. Handle the
14876 pic base being in a pseudo.
14877 (arm_load_pic_register): Handle the pic register being in a pseudo.
14878 (arm_expand_prologue): Only set up the pic register if it is fixed.
14879 (thumb_expand_prologue): Likewise.
14880 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14881 (pic_load_addr_based_insn): Likewise.
14882 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14885 2006-01-18 Ben Elliston <bje@au.ibm.com>
14887 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14888 decimal float modes for all floating point registers.
14890 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14891 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14893 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14896 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14897 even when the pointer is not NULL.
14899 2006-01-16 Ian Lance Taylor <ian@airs.com>
14901 * common.opt (ftoplevel-reorder): New option.
14902 * cgraph.c (cgraph_asm_nodes): New global variable.
14903 (cgraph_asm_last_node): New static variable.
14904 (cgraph_order): New global variable.
14905 (cgraph_create_node): Set new order field.
14906 (cgraph_varpool_node): Likewise.
14907 (decide_is_variable_needed): Return true if not
14908 flag_toplevel_reorder.
14909 (cgraph_add_asm_node): New function.
14910 * cgraph.h (struct cgraph_node): Add order field.
14911 (struct cgraph_varpool_node): Add order field.
14912 (struct cgraph_asm_node): Define.
14913 (cgraph_asm_nodes, cgraph_order): Declare.
14914 (cgraph_add_asm_node): Declare.
14915 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14917 (cgraph_varpool_assemble_pending_decls): Call it.
14918 (cgraph_output_pending_asms): New static function.
14919 (cgraph_finalize_compilation_unit): Call it.
14920 (struct cgraph_order_sort): Define.
14921 (cgraph_output_in_order): New static function.
14922 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14923 !flag_toplevel_reorder case.
14924 * c-parser.c: Include "cgraph.h".
14925 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14927 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14928 than -fno-unit-at-a-time.
14929 * doc/invoke.texi (Option Summary): Mention
14930 -fno-toplevel-reorder.
14931 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14932 -funit-at-a-time documentation.
14934 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14935 Kazu Hirata <kazu@codesourcery.com>
14937 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14939 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14941 * Makefile.in (FUNCTION_H): New. Use it instead of
14942 function.h throughout the file.
14943 * function.h: Include tree.h.
14945 2006-01-17 Ben Elliston <bje@au.ibm.com>
14947 * recog.c: Separate some functions with whitespace.
14949 2006-01-16 Richard Henderson <rth@redhat.com>
14951 Merge from gomp branch:
14952 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14953 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14954 and rename from struct inline_data. Rename callee* to dst*;
14955 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14956 transform_new_cfg, transform_return_to_modify, and
14957 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14959 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14960 (copy_decl_for_dup): Remove.
14961 * tree-inline.c (struct inline_data): Move to header.
14962 (insert_decl_map): Export.
14963 (remap_decl): Update for member name changes. Use copy_decl hook.
14964 Allow for replacement to be a non-decl. Remove dead code.
14965 (remap_type_1): Check for existing mapping.
14966 (remap_type): Export.
14967 (remap_decls): Update for member name changes.
14968 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14969 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14970 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14971 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14972 (tree_function_versioning, build_duplicate_type): Likewise.
14973 (copy_body_r): Likewise. Export.
14974 (copy_decl_for_dup): Split into ...
14975 (copy_decl_for_dup_finish, copy_decl_to_var,
14976 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14977 (replace_ref_tree, inlining_p): Remove.
14979 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14981 * ifcvt.c (if_convert): Make it static.
14982 * rtl.h: Remove the prototype for if_convert.
14984 * local-alloc.c (local_alloc): Make it static.
14985 * rtl.h: Remove the prototype for local_alloc.
14987 * loop.c (loop_optimize): Make it static.
14988 * cfgloop.h: Remove the prototype for loop_optimize.
14991 2006-01-16 DJ Delorie <dj@redhat.com>
14993 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14996 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14998 * pa.md: Disparage copies between general and floating-point registers
14999 in 32-bit move patterns.
15001 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
15004 * Makefile.in (check-%): Depend on site.exp instead of
15005 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
15008 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15010 * global.c (global_alloc): Make it static.
15011 * rtl.h: Remove the prototype for global_alloc.
15013 2006-01-16 Richard Guenther <rguenther@suse.de>
15015 * tree-ssa-alias.c (struct used_part): Add write_only field.
15016 (get_or_create_used_part_for): Initialize it to true.
15017 (create_overlap_variables_for): Don't create structure variables
15018 for structures that only are written to.
15019 (find_used_portions): Handle MODIFY_EXPR to track whether a
15020 structure is only written to.
15022 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15024 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
15026 * basic-block.h: Remove the prototype for
15027 partition_hot_cold_basic_blocks.
15029 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
15031 * cppspec.c (lang_specific_spec_functions): Remove.
15032 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
15033 * gcc.h (lang_specific_spec_functions): Remove.
15034 * gccspec.c (lang_specific_spec_functions): Remove.
15036 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
15038 * combine.c (record_value_for_reg): Invalidate registers
15040 (record_dead_and_set_regs_1): Likewise, by passing them to
15041 record_value_for_reg.
15042 (record_dead_and_set_regs): Invalidate stores made by a
15043 call. We do not combine across a call, but we still
15044 relied on equivalences.
15046 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15048 * tree-vrp.c (extract_range_from_binary_expr): Cope with
15049 vrp_int_const_binop returning non-constant nodes.
15051 2006-01-16 Paul Brook <paul@codesourcery.com>
15053 * config/m68k/m68k.c (output_move_const_into_data_reg):
15054 Output correct mnemonic for mvz and mvs.
15056 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
15058 * rtl-factoring.c: Add sequence abstraction algorithm.
15059 * cfgcleanup.c (outgoing_edges_match): Extra checks.
15060 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
15062 (block_has_preserve_label): New function.
15063 * common.opt: Register new pass.
15064 * Makefile.in: Ditto.
15066 * timevar.def: Ditto.
15067 * tree-pass.h: Ditto.
15068 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
15069 * rtl.h (make_jump_insn_raw): Add forward decl.
15070 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
15072 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
15073 Roger Sayle <roger@eyesopen.com>
15075 * fold-const.c (fold_minmax): New static function.
15076 (fold_binary) <MIN_EXPR>: Call it.
15077 <MAX_EXPR>: Likewise.
15078 * stor-layout.c (place_field): Use DECL_SIZE consistently
15079 in the computation of the new record size.
15081 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
15083 * cse.c (cse_condition_code_reg): Make it static.
15084 * rtl.h: Remove the prototype for cse_condition_code_reg.
15086 * combine.c (combine_instructions): Make it static.
15087 * rtl.h: Remove the prototype for combine_instructions.
15089 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15092 * tree.c (get_file_function_name_long): Concatenate the first global
15093 object name with a string derived from the input filename of the object
15096 2006-01-16 Ben Elliston <bje@au.ibm.com>
15098 * config/i386/winnt-stubs.c: Update FSF address.
15099 * config/xtensa/ieee754-df.S: Ditto.
15100 * config/xtensa/ieee754-sf.S: Ditto.
15102 2006-01-14 Ian Lance Taylor <ian@airs.com>
15104 * ifcvt.c (noce_init_if_info): New static function, broken out of
15105 noce_process_if_block.
15106 (noce_process_if_block): Call noce_init_if_info.
15107 (check_cond_move_block): New static function.
15108 (cond_move_process_if_block): New static function.
15109 (process_if_block): Call cond_move_process_if_block.
15111 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
15113 * cselib.c (hash_table): Rename to cselib_hash_table.
15114 (cselib_clear_table, discard_useless_values,
15115 remove_useless_values, cselib_lookup_mem, cselib_lookup,
15116 cselib_init, cselib_finish): Adjust uses of hash_table.
15118 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
15120 PR tree-optimization/25485
15121 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
15122 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
15123 is known to be false and true, respectively.
15125 2006-01-14 Richard Guenther <rguenther@suse.de>
15127 PR tree-optimization/22548
15128 PR tree-optimization/22555
15129 PR tree-optimization/22501
15130 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
15131 * params.def (salias-max-array-elements): New parameter.
15132 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
15133 * doc/invoke.texi (salias-max-array-elements): Document.
15134 * tree-flow-inline.h (var_can_have_subvars): We also handle
15136 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
15138 * tree-ssa-structalias.c (params.h): Include.
15139 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
15140 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
15141 (get_constraint_for): For ADDR_EXPR operating on something
15142 containing an ARRAY_REF, add all subvars to the solution.
15143 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
15144 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
15145 for creating MUST_DEFs.
15146 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
15148 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
15150 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
15152 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
15153 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
15154 number_of_iterations_le): New functions.
15155 (number_of_iterations_special): Removed.
15156 (number_of_iterations_exit): Do not use number_of_iterations_special.
15157 * tree.c (unsigned_type_for): Always return integer type.
15159 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
15160 Richard Guenther <rguenther@suse.de>
15162 PR rtl-optimization/24257
15163 * gcse.c (find_moveable_store): Only consider a store movable
15164 when the SET_SRC of the insn can be assigned to a register.
15166 2006-01-14 Ian Lance Taylor <ian@airs.com>
15168 * tree.c (tree_not_class_check_failed): New function.
15169 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
15170 (tree_not_class_check_failed): Declare.
15172 2006-01-13 Ian Lance Taylor <ian@airs.com>
15174 * reload1.c (do_output_reload): Add assertion rejecting a
15177 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
15179 * combine.c (struct reg_stat): Add new fields truncation_label and
15181 (record_value_for_reg): Reset truncated_to_mode.
15182 (record_truncated_value): New function.
15183 (check_promoted_subreg): Call it. Rename to check_conversions.
15184 (combine_instructions): Rename check_promoted_subreg to
15186 (reg_truncated_to_mode): New function.
15187 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
15188 (gen_lowpart_or_truncate): New function.
15189 (force_to_mode): Use it instead of gen_lowpart.
15191 2006-01-13 Diego Novillo <dnovillo@redhat.com>
15193 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
15194 VAR is a tag, not its type tag.
15196 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
15198 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
15199 alternatives to match style of other entries.
15200 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
15202 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
15204 PR tree-optimization/25771
15205 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
15208 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
15211 * tree-inline.c (declare_return_variable): If the return variable
15212 was marked as a non gimple complex, set the return slot variable
15213 to be a non gimple comple variable.
15215 2006-01-13 Richard Guenther <rguenther@suse.de>
15217 * builtins.c (expand_builtin_sincos): New function.
15218 (expand_builtin_mathfn_3): Remove dead code, sin and cos
15220 (expand_builtin): Expand sincos using expand_builtin_sincos.
15222 2006-01-12 DJ Delorie <dj@redhat.com>
15224 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
15225 shift counts, separate SI shifts for m32c vs m16c, pass shift type
15226 so that constant shifts can be split.
15227 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
15228 (m32c_valid_pointer_mode): Make static.
15229 (shift_gen_func_for): New.
15230 (m32c_prepare_shift): Use it. Split large const shifts into
15232 * config/m32c/predicates.md (shiftcount_operand): Allow more
15234 (longshiftcount_operand): New.
15235 * doc/md.texi (Machine Constraints): Document In6.
15237 2006-01-13 Ben Elliston <bje@au.ibm.com>
15239 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
15240 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
15243 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
15245 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
15246 to try to avoid clobbering pieces of structures when we know
15247 something about the whole structure.
15248 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
15250 2006-01-13 Ben Elliston <bje@au.ibm.com>
15252 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
15253 return in memory, as this is no limitation is no longer present.
15255 2006-01-12 DJ Delorie <dj@redhat.com>
15257 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
15258 mova with fb, and for fb+0 -> An.
15260 * config/m32c/mov.md (peephole2): Fix enabling logic.
15262 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
15263 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
15264 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
15265 FINI_ARRAY_SECTION_ASM_OP): Define.
15267 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
15269 (m32c_legitimize_reload_address): New logic to reload FB to An.
15270 (m32c_output_reg_push): Add newline.
15271 (m32c_output_reg_pop): Likewise.
15273 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
15275 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
15277 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
15279 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
15281 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15283 * config/sh/predicates.md (sh_rep_vec): Add parallel to
15286 2006-01-11 Ben Elliston <bje@au.ibm.com>
15288 * rtlanal.c (find_reg_note): Assert insn is not null.
15290 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15292 * df-scan.c (df_hard_reg_init): Move declaration of i outside
15295 2006-01-11 Jeff Law <law@redhat.com>
15297 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
15299 (mark_threaded_blocks, register_jump_thread): New functions.
15300 (thread_through_all_blocks): Remove unwanted argument. No
15301 longer rely on e->aux to communicate thread target info.
15302 Call mark_threaded_blocks. Release the threaded_blocks
15303 bitmap and threaded_edges vector when complete.
15304 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
15305 (threaded_blocks): Remove.
15306 (tree_ssa_dominator_optimize): Remove initialization and
15307 finalization of threaded_blocks. Simplify call to
15308 thread_through_all_blocks.
15309 (thread_across_edge): Call register_jump_thread rather than
15310 storing thread information into e->aux.
15311 (free_all_edge_infos): Simplify now that e->aux is no longer
15312 used to communicate with thread_through_all_blocks.
15313 * tree-flow.h (thread_through_all_blocks): Update prototype.
15314 (register_jump_thread): Prototype.
15316 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15318 * df-core.c (df_compact_blocks, df_bb_replace): Use
15319 SET_BASIC_BLOCK instead of BASIC_BLOCK.
15321 2006-01-11 Richard Guenther <rguenther@suse.de>
15323 PR tree-optimization/25734
15324 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
15325 stop propagation after successful propagation to the LHS.
15327 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
15329 * basic-block.h (control_flow_graph): Change the type of
15330 x_basic_block_info to VEC(basic_block,gc) *.
15331 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
15333 (SET_BASIC_BLOCK): New.
15334 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
15335 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
15336 * cfgbuild.c (find_basic_blocks): Likewise.
15337 * cfglayout.c (fixup_reorder_chain): Likewise.
15338 * cfgrtl.c (create_basic_block_structure,
15339 rtl_create_basic_block): Likewise.
15340 * ifcvt.c (find_if_case_1): Likewise.
15341 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
15344 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
15346 * Makefile.in: Removed rotted odf.c entry.
15348 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
15351 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
15352 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
15353 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
15354 output pattern modifier, not %e.
15355 * config/cris/cris.c (cris_op_str): Update comment about pattern
15357 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
15358 before falling through into...
15359 <case 'E'>: Redefined from old 'e' case.
15361 2006-01-11 Jan Hubicka <jh@suse.cz>
15364 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
15366 2006-01-11 Jan Hubicka <jh@suse.cz>
15368 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
15369 * i386.c (x86_decompose_lea): Kill.
15370 (ix86_rtx_costs): Kill.
15372 2006-01-11 Jan Hubicka <jh@suse.cz>
15374 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
15375 * cgraph.h (cgraph_node): Add inline_decl.
15376 (cgraph_insert_node_to_hashtable): Declare.
15377 (save_inline_function_body): Declare.
15378 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
15380 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
15381 (cgraph_function_versioning): Update call of tree_function_versioning.
15382 (save_inline_function_body): New function.
15383 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
15384 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
15385 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
15386 (cgraph_default_inline_p): Likewise.
15387 (cgraph_decide_inlining_incrementally): Likewise.
15388 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
15389 (copy_bb): Kill saving; do updating of clones.
15390 (copy_cfg_body): Kill saving.
15391 (initialize_inlined-parameters): Likewise.
15392 (expand_call_inline): Likewise.
15394 (tree_function_versioning): New parameter "update_clones".
15395 (inlining_p): Kill saving.
15396 * tree-inline.h (tree_function_versioning): Update prototype.
15397 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
15400 2006-01-11 Ian Lance Taylor <ian@airs.com>
15402 * combine.c (struct undo): Remove is_int. Enumify types of undos.
15403 Allow undoing set of machine mode.
15404 (do_SUBST): Use enums instead of is_int.
15405 (do_SUBST_MODE): New function.
15406 (SUBST_MODE): New macro.
15407 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
15408 reg and trying to replace reg_regno_rtx with a new register.
15409 (undo_all): Use new enums, handle undoing a PUT_MODE change.
15410 (simplify_set): Use SUBST_MODE.
15411 (distribute_notes): Remove code that tried to update reg notes
15412 for regno_reg_rtx changes.
15414 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
15416 PR tree-optimization/23109
15417 PR tree-optimization/23948
15418 PR tree-optimization/24123
15420 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
15421 * tree-cfg.c (single_noncomplex_succ): New.
15422 * tree-flow.h (single_noncomplex_succ): Declare it.
15423 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15424 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
15425 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
15426 insert_bb, register_division_in, insert_reciprocals,
15427 replace_reciprocal, free_bb): New.
15428 (execute_cse_reciprocals_1): Rewritten.
15429 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
15430 Do not commit any edge insertion. Always compute dominators and
15431 create the allocation pool.
15432 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
15433 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
15434 * targhooks.c (default_min_divistions_for_recip_mul): New.
15435 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
15436 * passes.c (init_optimization_passes): Run recip after tree loop
15438 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
15440 2006-01-11 Danny Berlin <dberlin@dberlin.org>
15441 Kenneth Zadeck <zadeck@naturalbridge.com>
15443 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
15444 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
15445 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
15446 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
15447 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
15448 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
15449 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
15450 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
15451 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
15452 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
15453 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
15454 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
15455 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
15456 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
15457 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
15458 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
15459 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
15460 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
15461 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
15462 DF_SCAN_POST_ALLOC): New macros.
15463 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
15464 df_free_bb_function, df_local_compute_function, df_init_function,
15465 df_dataflow_function, df_confluence_function_0,
15466 df_confluence_function_n, df_transfer_function,
15467 df_finalizer_function, df_free_function, df_dump_problem_function,
15468 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
15469 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
15470 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
15471 df_urec_bb_info, ) New types.
15472 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
15474 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
15475 df_analyze_simple_change_some_blocks,
15476 df_analyze_simple_change_one_block, df_compact_blocks,
15477 df_bb_replace, df_bb_regno_last_use_find,
15478 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
15479 df_insn_regno_def_p, df_find_def, df_find_use,
15480 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
15481 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
15482 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
15483 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
15484 debug_df_chain, df_get_dependent_problem, df_chain_create,
15485 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
15486 df_grow_bb_info, df_chain_dump, df_print_bb_index,
15487 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
15488 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
15489 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
15490 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
15491 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
15492 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
15493 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
15494 df_ref_remove, df_insn_refs_delete, df_refs_delete,
15495 df_reorganize_refs, df_set_state, df_hard_reg_init,
15496 df_read_modify_subreg_p) New public functions.
15497 * df-core.c: The core dataflow solver and glue routines for rtl
15499 (df_init, df_add_problem, df_set_blocks, df_finish,
15500 df_hybrid_search_forward, df_hybrid_search_backward,
15501 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15502 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15503 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15504 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15505 df_reg_defined, df_find_use, df_reg_used, df_dump,
15506 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15507 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15508 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15509 debug_df_useno, reset_df_after_reload): New functions.
15510 * df-scan.c: The scanning fuctions, once in df.c, completely
15511 rewritten so that they now fully model the functionality of
15512 register usage at the backend.
15513 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15514 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15515 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15516 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15517 df_get_artificial_defs, df_get_artificial_uses,
15518 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15519 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15520 df_refs_delete, df_reorganize_refs, df_set_state,
15521 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15522 df_def_record_1, df_defs_record, df_uses_record,
15523 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15524 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15525 df_record_exit_block_uses, df_hard_reg_init): New functions.
15527 * df-problems.c: Seven concrete dataflow problems that use the
15528 scanning in df-scan.c and are solved by the engine in df-core.c.
15529 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15530 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15531 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15532 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15533 df_ru_free_bb_info, df_ru_alloc,
15534 df_ru_bb_local_compute_process_def,
15535 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15536 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15537 df_ru_transfer_function, df_ru_free, df_ru_dump,
15538 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15539 df_rd_free_bb_info, df_rd_alloc,
15540 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15541 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15542 df_rd_transfer_function, df_rd_free, df_rd_dump,
15543 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15544 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15545 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15546 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15547 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15548 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15549 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15550 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15551 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15552 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15553 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15554 df_urec_mark_reg_use_for_earlyclobber,
15555 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15556 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15557 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15558 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15559 df_chain_create_bb_process_use, df_chain_create_bb,
15560 df_chain_finalize, df_chain_free, df_chains_dump,
15561 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15562 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15563 df_reg_lifetime): New functions.
15564 * df.c: Deleted file.
15565 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15566 consistent with new df api.
15567 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15568 rest_of_handle_sms): Ditto.
15569 * web.c (unionfind_union, union_defs, entry_register, web_main):
15571 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15572 invariant_expr_equal_p, find_defs, check_dependencies,
15573 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15574 free_inv_motion_data, move_loop_invariants): Ditto.
15575 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15576 Update dependencies.
15577 (odf.c): Added defective entry that was deleted later in day.
15578 * sched-deps.c (sched_analyze_1): Ditto.
15580 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15582 * tree-ssa-operands.c (get_expr_operands): Record addressable
15583 variables directly. Do not call add_stmt_operands for CONST_DECLs
15585 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15586 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15588 2006-01-11 Ben Elliston <bje@au.ibm.com>
15590 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15591 function returns true in the positive case.
15593 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15596 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15597 for SI, DI, SF and DF modes. Add alternatives to copy between
15598 general and floating point registers to the 32-bit patterns.
15599 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15600 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15601 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15602 generating 64-bit code.
15603 * config/pa/pa.c (output_move_double): Handle copies between general
15604 and floating registers.
15606 2006-01-10 Stuart Hastings <stuart@apple.com>
15608 * config/i386/i386.md (set_got): Update.
15609 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15610 (builtin_setjmp_receiver): Mach-O support.
15611 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15612 (GOT_SYMBOL_NAME): Define.
15613 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15614 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15615 * config/i386/i386.c (override_options): Revise for Darwin.
15616 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15617 support. (darwin_x86_file_end): New. (output_set_got): Add label
15618 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15619 * config/i386/i386-protos.h (output_set_got): Likewise.
15620 * config/darwin.c (machopic_legitimize_pic_address): Update
15623 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15625 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15626 when MODE isn't BLKmode.
15628 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15630 PR rtl-optimization/25367
15631 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15633 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15636 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15637 for a negative bound.
15639 2006-01-10 Richard Guenther <rguenther@suse.de>
15641 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15642 Never override with anything constraint.
15644 2006-01-10 Jan Beulich <jbeulich@novell.com>
15646 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15647 256 bits when optimize_size.
15649 2006-01-10 Jan Beulich <jbeulich@novell.com>
15651 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15653 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15654 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15657 2006-01-10 Ben Elliston <bje@au.ibm.com>
15659 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15661 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15662 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15663 (USE_FP_FOR_ARG): Reject decimal float modes.
15664 (function_arg_advance): Likewise.
15665 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15666 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15667 point types in AltiVec vectors.
15668 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15669 (rs6000_libcall_value): Likewise.
15671 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15673 * config/xtensa/ieee754-df.S: New file.
15674 * config/xtensa/ieee754-sf.S: New file.
15675 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15676 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15677 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15679 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15681 * config/sh/predicates.md (binary_float_operator,
15682 binary_logical_operator, commutative_float_operator,
15683 equality_comparison_operator, greater_comparison_operator,
15684 less_comparison_operator, logical_operator,
15685 noncommutative_float_operator, shift_operator,
15686 symbol_ref_operand, unary_float_operator): Remove redundant
15689 2006-01-09 Jeff Law <law@redhat.com>
15691 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15692 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15693 now unused arguments. Callers updated.
15694 (eliminate_redundant_computations): Remove now unused arguments,
15696 (local_fold): Remove, no longer used.
15697 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15699 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15700 (simplify_cond): New function.
15701 (forward_propagate_into_cond): Call simplify_cond.
15703 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15705 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15706 (*vec_extractv2di_1_sse): New.
15708 2006-01-09 Ben Elliston <bje@au.ibm.com>
15710 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15712 2006-01-08 Richard Guenther <rguenther@suse.de>
15714 * tree-ssa-structalias.c (get_constraint_for): Remove
15715 anyoffset argument.
15716 (get_constraint_for_component_ref): Likewise.
15717 (do_deref): Likewise.
15718 (get_constraint_for): Likewise.
15719 (do_structure_copy): Likewise.
15720 (handle_ptr_arith): Likewise.
15721 (find_func_aliases): Likewise. Remove unused need_anyoffset
15724 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15725 Kaz Kojima <kkojima@gcc.gnu.org>
15727 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15728 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15729 (EXTRA_CONSTRAINT_C16): Remove.
15730 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15731 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15732 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15733 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15734 constants of SHmedia. Handle nested constant expressions of
15736 (andcosts): Fix the costs for SHmedia constants.
15737 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15738 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15739 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15740 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15741 (movv4hi_i, movv2si_i): Likewise.
15742 (movsi_const): Adjust the second operand of ior so to match with
15743 the Csu constraint.
15744 (movdi_const, movdi_const_32bit): Likewise.
15745 (movdi_const_16bit+1): Don't sign-extend LOW.
15746 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15748 (*double_shori): Fix the split condition. Use GEN_INT instead
15749 of get_int_mode calls. Mask lower 16-bit of the argument of
15751 (sym2GOTPLT): Remove.
15752 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15754 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15755 instead of EXTRA_CONSTRAINT_C16.
15757 2006-01-07 Ian Lance Taylor <ian@airs.com>
15758 David Edelsohn <edelsohn@gnu.org>
15760 PR rtl-optimization/25662
15761 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15762 for constant operands instead of simplify_gen_binary.
15763 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15764 after trying simplify_binary_operation
15766 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15768 * tree.c (iterative_hash_expr): Hash decls based on UID.
15770 2006-01-06 Eric Christopher <echristo@apple.com>
15772 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15773 (TARGET_UNWIND_EMIT): Fix spelling.
15774 * target.h (gcc_target): Add except_table_label.
15775 * except.c (output_function_exception_table): Use.
15776 * varasm.c (default_emit_except_table_label): New.
15777 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15779 (asm_out): Add here.
15780 * output.h (default_emit_except_table_label): Prototype.
15781 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15782 * config/darwin.c (darwin_emit_except_table_label): Define.
15783 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15785 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15787 PR tree-optimization/18527
15788 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15789 number_of_iterations_special, number_of_iterations_exit):
15790 Move base and step of an iv to a single structure. Add
15791 no_overflow flag, and use it in # of iterations analysis.
15792 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15793 folded_casts argument.
15794 (simple_iv): Pass base and step in a structure. Set no_overflow
15796 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15797 Evaluate expensiveness of computing # of iterations instead of
15798 the final expression.
15799 * tree-scalar-evolution.h (affine_iv): New structure.
15800 (simple_iv): Declaration changed.
15801 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15802 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15803 find_givs_in_stmt): Changed due to simple_iv change.
15805 2006-01-06 Jeff Law <law@redhat.com>
15808 * tree-cfg.c (bsi_replace): Rename final argument from
15809 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15810 change (stmt -> orig_stmt).
15811 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15812 (bsi_remove): Add new argument. Remove EH information
15814 (verify_eh_throw_table_statements): New function.
15815 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15817 * tree-optimize.c (execute_free_cfg_annotations): Verify
15818 the EH throw statement table after removing annotations.
15819 * except.h (verify_eh_throw_table_statements): Prototype.
15820 * tree-flow.h (bsi_remove): Update prototype.
15821 * tree-vrp.c (remove_range_assertions): Add new argument to
15823 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15824 * tree-complex.c (expand_complex_div_wide): Likewise.
15825 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15826 * tree-tailcall.c (eliminate_tailcall): Likewise.
15827 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15828 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15829 * tree-nrv.c (tree_nrv): Likewise.
15830 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15831 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15832 (combine_blocks): Likewise.
15833 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15834 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15835 (cleanup_control_flow): Likewise.
15836 (remove_forwarder_block): Likewise.
15837 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15838 * tree-sra.c (sra_replace): Likewise.
15839 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15840 (forward_propagate_single_use_vars): Likewise.
15841 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15842 * tree-inline.c (expand_call_inline): Likewise.
15843 * tree-vect-transform.c (vect_transform_loop): Likewise.
15844 * tree-outof-ssa.c (rewrite_trees): Likewise.
15845 * tree-cfg.c (make_goto_expr_edges): Likewise.
15846 (cleanup_dead_labels): Likewise.
15847 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15848 (bsi_move_before, bsi_move_after): Likewise.
15849 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15850 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15852 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15855 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15857 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15858 on non gimple variables. Also add checks at the top for decls and
15860 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15862 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15863 and IMAGPART_EXPR for creating MUST_DEFs.
15864 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15865 and NAME_MEMORY_TAG separately from the DECLs.
15867 2006-01-06 Richard Guenther <rguenther@suse.de>
15869 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15870 annotation, if necessary.
15871 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15872 redundant calls to update_stmt.
15873 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15876 2006-01-05 Richard Henderson <rth@redhat.com>
15878 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15880 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15882 * c-typeck.c: Update copyright date.
15884 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15886 * c-typeck.c (build_c_cast): Always warn when casting
15887 from a pointer to an integer of different size, even if
15888 the node was constant.
15890 2006-01-05 Richard Guenther <rguenther@suse.de>
15892 PR tree-optimization/22555
15893 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15894 if one structure field is an array.
15895 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15896 operands even if we found a subvar, but ignore VOPs in this
15898 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15900 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15902 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15904 PR middle-end/24998
15905 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15907 2006-01-05 Richard Guenther <rguenther@suse.de>
15908 Diego Novillo <dnovillo@redhat.com>
15910 * tree-pass.h (TODO_remove_unused_locals): Define.
15911 * gimple-low.c (expand_var_p, remove_useless_vars,
15912 pass_remove_useless_vars): Remove. Update all users.
15913 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15914 (remove_unused_locals): New function.
15915 * tree-flow.h (remove_unused_locals): Declare.
15916 * passes.c (execute_todo): Call remove_unused_locals if
15917 TODO_remove_unused_locals is set.
15918 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15919 * tree-ssa-dce.c (pass_dce): Likewise.
15920 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15922 2006-01-05 Richard Guenther <rguenther@suse.de>
15924 * tree-flow.h (struct fieldoff): Decompose field to
15925 type, size and decl.
15926 * tree-ssa-alias.c (create_sft): Take type as parameter.
15927 (create_overlap_variables_for): Store type, size and decl
15928 in the fieldoff structure.
15929 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15930 of struct fieldoff.
15931 (push_fields_onto_fieldstack): Likewise.
15932 (create_variable_info_for): Likewise. Use offset for the
15933 SFT name if the decl is not available.
15935 2006-01-04 Paul Brook <paul@codesourcery.com>
15937 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15939 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15941 * lambda-code.c (can_put_in_inner_loop): Relax
15943 (can_put_after_inner_loop): New function.
15944 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15945 (perfect_nestify): Change to make copies and modify uses.
15947 2006-01-04 Richard Henderson <rth@redhat.com>
15949 Merge from gomp branch:
15950 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15951 via integer constant.
15952 (pragma_lex): Remove.
15953 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15954 rather than parsing it.
15955 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15956 handle_pragma_extern_prefix): Add %< %> quotes.
15957 (registered_pragmas): New.
15958 (c_register_pragma_1): New.
15959 (c_register_pragma): Use it.
15960 (c_register_pragma_with_expansion): Likewise.
15961 (c_invoke_pragma_handler): New.
15962 (init_pragma): Use cpp_register_deferred_pragma directly for
15964 * c-pragma.h (enum pragma_kind): New.
15965 (pragma_handler): New.
15966 (c_invoke_pragma_handler): Declare.
15967 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15969 * c-common.h (c_common_pch_pragma): Update decl.
15970 * Makefile.in (c-parser.o): Update dependencies.
15971 (GTFILES): Add c-pragma.h.
15972 * c-parser.c (struct c_token): Add pragma_kind.
15973 (struct c_parser): Add in_pragma.
15974 (c_lex_one_token): Always initialize keyword and pragma_kind.
15975 Extract data for CPP_PRAGMA.
15976 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15977 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15978 Don't allow CPP_PRAGMA_EOL if in_pragma.
15979 (c_parser_consume_pragma): New.
15980 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15981 (c_parser_skip_to_end_of_parameter): Likewise.
15982 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15983 (c_parser_skip_to_pragma_eol): New.
15984 (c_parser_external_declaration): Handle CPP_PRAGMA.
15985 (c_parser_compound_statement_nostart): Likewise.
15986 (c_parser_statement_after_labels): Likewise.
15987 (c_parser_pragma): New.
15988 (pragma_lex): Likewise.
15989 (c_parser_pragma_pch_preprocess): New.
15990 (c_parser_new): Merge into ...
15991 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15993 2006-01-04 Jeff Law <law@redhat.com>
15996 * tree-cfg.c (bsi_replace): Remove the original statement
15997 from the EH throw statement table.
15999 2006-01-04 Jakub Jelinek <jakub@redhat.com>
16001 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
16002 make the prototype extern "C" and add throw ().
16005 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
16006 and pos non-negative and pos + len <= 32.
16007 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
16008 drop pos + len < HOST_BITS_PER_WIDE_INT test.
16009 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
16012 * c-common.c (handle_vector_size_attribute): Reject zero vector size
16013 as well as sizes not multiple of component size.
16016 * function.c (instantiate_expr): New function.
16017 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
16018 walk its DECL_VALUE_EXPR with instantiate_expr.
16020 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
16021 DW_OP_deref{,_size} if address isn't going to be added.
16023 2006-01-04 Ben Elliston <bje@au.ibm.com>
16025 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
16026 * config/fp-bit.c: Likewise.
16028 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
16030 * dominance.c: Add comment about why we use DFS numbering
16033 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16034 Richard Henderson <rth@redhat.com>
16036 Merge from gomp-branch:
16037 * varasm.c (assemble_variable): Handle thread-local COMMON data.
16038 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
16040 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
16042 PR rtl-optimization/25578
16043 * combine.c (combine_simplify_rtx, force_to_mode): Don't
16044 pass a parameter to simplify_shift_const if changing ASHIFTRT
16047 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
16049 * builtins.c (get_builtin_sync_mem): New function.
16050 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
16051 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
16052 Call get_builtin_sync_mem to generate mem rtx.
16054 2006-01-03 Richard Guenther <rguenther@suse.de>
16057 * stmt.c (add_case_node): Make sure to clear overflow flags
16060 2006-01-03 Jakub Jelinek <jakub@redhat.com>
16062 Merge from gomp-branch.
16063 * config/sparc/sync.md: New file.
16064 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
16065 UNSPECV_LDSTUB): New constants.
16066 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
16067 * config/sparc/predicates.md (memory_reg_operand): New predicate.
16068 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
16071 2006-01-03 Roger Sayle <roger@eyesopen.com>
16073 * combine.c (reg_subword_p): New predicate to test whether the
16074 destination of a set refers to a subword/piece of a register.
16075 (try_combine): Generalize the code to merge the setting of a
16076 pseudo to a constant followed by a set of a subword of that
16077 register to a constant.
16079 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
16081 * basic-block.h (control_flow_graph): Change the type of
16082 x_label_to_block_map to VEC(basic_block,gc) *.
16083 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
16084 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
16086 * tree-ssa-propagate.c (cfg_blocks): Change the type to
16087 VEC(basic_block,heap) *.
16088 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
16089 ssa_prop_fini): Adjust the uses of cfg_blocks.
16091 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
16093 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
16095 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
16096 hashing trees instead of a pointer hash.
16097 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
16098 compare for MEM_EXPR.
16100 PR rtl-optimization/25130
16101 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
16102 when comparing MEMs for GCSE
16104 2006-01-03 Ben Elliston <bje@au.ibm.com>
16106 * targhooks.h (default_decimal_float_supported_p): Declare.
16107 * targhooks.c (default_decimal_float_supported_p): Define.
16108 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
16109 `default_decimal_float_supported_p'.
16110 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
16112 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
16114 * combine.c (apply_distributive_law <SUBREG>): Check
16115 TRULY_NOOP_TRUNCATION.
16117 2006-01-02 Geoffrey Keating <geoffk@apple.com>
16119 * dwarf2out.c (have_switched_text_section): Delete.
16120 (have_multiple_function_sections): New.
16121 (have_location_lists): Make 'bool'.
16122 (add_AT_loc_list): Use 'true' not '1'.
16123 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
16124 (output_loc_list): Use have_multiple_function_sections.
16125 (output_ranges): Likewise.
16126 (dwarf2out_begin_function): Set have_multiple_function_sections if
16128 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
16129 Check function_section rather than DECL_SECTION_NAME.
16130 (dwarf2out_finish): Use have_multiple_function_sections.
16131 Don't clear have_location_lists.
16133 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
16134 Jan Hubicka <jh@suse.cz>
16136 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
16137 case of conditional jump jumping to the next instruction.
16138 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
16139 cases of conditional jump jumping to the next instruction.
16141 2006-01-02 Jan Hubicka <jh@suse.cz>
16143 * i386.c (*_cost): Add COSTS_N_INSNS.
16144 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
16146 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
16149 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
16151 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
16153 * config/arm/arm.c (all_fpus): Fix comment typo.
16154 * config/darwin.c: Likewise.
16155 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
16156 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
16157 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
16159 2006-01-01 David Edelsohn <edelsohn@gnu.org>
16161 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
16162 (rs6000_split_compare_and_swapqhi): New.
16163 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
16164 (sync_compare_and_swapqhi_internal): New.
16165 * config/rs6000/rs6000-protos.h: Declare.