1 2006-10-06 Olivier Hainque <hainque@adacore.com>
3 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
4 Don't recurse on the pointed-to type.
5 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
6 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
7 types with components of variable size.
9 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
11 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
13 2006-10-06 Jakub Jelinek <jakub@redhat.com>
15 PR tree-optimization/29290
16 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
20 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
21 * config/i386/predicates.md (local_symbolic_operand): Likewise.
24 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
25 the number of vector elements fill the rest with zeros.
27 2006-10-05 Richard Sandiford <richard@codesourcery.com>
29 * config/mips/mips.c (mips_pass_by_reference): Do not return false
30 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
33 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
35 * config/bfin/bfin.md (subsi3): Lose expander, change previously
36 unnamed pattern into subsi3. Use correct constraints/predicates.
37 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
38 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
40 2006-10-05 Ira Rosen <irar@il.ibm.com>
42 * doc/loop.texi: Add data references analysis description.
44 2006-10-04 Brooks Moses <bmoses@stanford.edu>
46 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
48 2006-10-04 Richard Henderson <rth@redhat.com>
49 Jakub Jelinek <jakub@redhat.com>
51 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
52 * builtin-types.def (BT_WORD): Make unsigned.
53 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
54 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
55 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
56 * c-decl.c (grokdeclarator): Don't error if !have_tls.
57 * c-parser.c (c_parser_omp_threadprivate): Likewise.
58 * cgraph.c (decide_is_variable_needed): Look at force_output.
59 Recurse for emulated tls.
60 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
61 checks redundant with decide_is_variable_needed.
62 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
63 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
65 * expr.c (emutls_var_address): New.
66 (expand_expr_real_1): Expand emulated tls.
67 (expand_expr_addr_expr_1): Likewise.
68 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
69 * output.h (emutls_finish): Declare.
70 * toplev.c (compile_file): Call it.
71 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
72 address before wrapping in CONST.
73 * varasm.c (emutls_htab, emutls_object_type): New.
74 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
75 (get_emutls_object_name, get_emutls_object_type): New.
76 (get_emutls_init_templ_addr, emutls_decl): New.
77 (emutls_common_1, emutls_finish): New.
78 (assemble_variable): When emulating tls, swap decls; generate
79 constructor for the emutls objects.
80 (do_assemble_alias): When emulating tls, swap decl and target name.
81 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
84 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
85 tls_object for real tls.
87 2006-10-04 Zack Weinberg <zackw@panix.com>
89 Fix bug in constraint-check generator, reported by Rask Ingemann
91 * genpreds.c (add_constraint): Don't remove anything from the
93 (write_tm_constrs_h): Detect whether "op" argument is used, and
94 mark it ARG_UNUSED if it isn't.
95 (write_insn_const_int_ok_for_constraint): Skip the part of the
96 expression that would test whether "op" (which is not available
99 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
102 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
104 2006-10-03 Geoffrey Keating <geoffk@apple.com>
106 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
107 current Leopard versions.
108 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
110 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
112 * doc/install.texi: Fix typos.
114 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
116 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
117 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
118 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
120 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
122 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
123 arg to be struct mach_header_64* instead.
125 2006-10-02 Jakub Jelinek <jakub@redhat.com>
128 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
129 side effects after the outer expression's post side effects.
131 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
133 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
134 comments to reflect actual behavior and relationship between
135 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
137 * doc/c-tree.texi (Working with declarations): Fix documentation
138 of FIELD_DECL likewise.
140 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
143 * doc/extend.texi: Add used variable attribute description.
145 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
148 * c.opt (Woverride-init): New.
149 * c-opts.c (c_common_post_options): Default warn_override_init to
151 * c-typeck.c (add_pending_init, output_init_element): Warn for
152 overriding initializers without side effects.
153 * doc/invoke.texi (-Woverride-init): Document.
156 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
158 PR rtl-optimization/28096
159 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
160 assignment has already been used as a destination earlier in the block.
162 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
164 * builtins.c (expand_builtin_setjmp): Delete.
165 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
166 <BUILT_IN_SETJMP_SETUP>: New case.
167 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
168 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
169 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
170 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
171 (BUILT_IN_SETJMP_RECEIVER): Likewise.
172 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
173 (lower_function_body): Initialize it to false. If it is set to true
174 at the end of the processing, emit the setjmp dispatcher.
175 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
176 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
177 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
178 on the rhs of the assignment.
179 (lower_builtin_setjmp): New function.
180 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
181 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
182 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
183 to detect calls that can go to non-local labels. Use specific
184 helper to create the abnormal edges associated with them.
185 <MODIFY_EXPR>: Likewise.
186 (make_abnormal_goto_edges): New function extracted from...
187 (make_goto_expr_edges): ...here. Call it for computed gotos.
188 (simple_goto_p): Minor tweak.
189 (tree_can_make_abnormal_goto): New predicate.
190 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
191 (tree_purge_dead_abnormal_call_edges): New function.
192 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
193 (tree_purge_dead_abnormal_call_edges): Likewise.
194 (make_abnormal_goto_edges): Likewise.
195 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
196 Purge all dead abnormal edges if the call was in the last statement.
197 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
198 (execute_fixup_cfg): If there are non-local labels in the function,
199 scan the basic blocks and split them at calls that can go to non-local
200 labels or add missing abnormal call edges. Write down the CFG in the
202 (pass_fixup_cfg): Remove TODO_dump_func flag.
203 * unwind-sjlj.c: Poison setjmp.
204 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
205 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
206 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
207 (DONT_USE_BUILTIN_SETJMP): Document it.
209 2006-09-28 Geoffrey Keating <geoffk@apple.com>
212 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
213 to 1 when __ppc64__ is defined.
214 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
216 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
218 2006-09-28 Steve Ellcey <sje@cup.hp.com>
220 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
221 * config/ia64/unwind-hpux.c: Delete.
223 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
225 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
226 on the element before gimplifying it, instead of punting if it is of
229 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
231 * doc/loop.texi: New file.
232 * doc/gccint.texi: Reference loop.texi.
233 * Makefile.in (loop.texi): Add.
235 2006-09-27 Geoffrey Keating <geoffk@apple.com>
237 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
239 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
240 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
242 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
244 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
246 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
248 * doc/install.texi: Document required versions of GMP and MPFR.
250 2006-09-27 Paul Brook <paul@codesourcery.com>
253 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
255 2006-09-27 Richard Sandiford <richard@codesourcery.com>
257 * reload1.c (alter_reg): Require the alignment of the stack slot to
258 be at least reg_max_ref_width bytes.
259 (scan_paradoxical_subregs): Record the largest width in
262 2006-09-26 Jakub Jelinek <jakub@redhat.com>
266 * tree-nested.c (struct nesting_info): Added static_chain_added.
267 (convert_call_expr): Set static_chain_added when adding static
268 chain. Handle OMP_PARALLEL and OMP_SECTION.
270 2006-09-25 Matthias Klose <doko@debian.org>
272 * doc/invoke.texi: Add missing full stop.
274 2006-09-25 Richard Henderson <rth@redhat.com>
276 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
277 before cgraph_function_flags_ready.
279 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
280 Adam Nemet <anemet@caviumnetworks.com>
282 * tree-ssa-loop-ivopts.c (aff_combination_convert,
283 determine_common_wider_type): New functions.
284 (get_computation_aff): Use them to simplify arithmetic between
285 UBASE and CBASE if they are shortened from the same type.
287 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
290 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
291 -2147483647 - 1 instead of 0x80000000.
293 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
295 * flags.h (HONOR_NANS): Fix typo in comment.
297 2006-09-23 Uros Bizjak <uros@kss-loka.si>
299 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
301 2006-09-23 Jakub Jelinek <jakub@redhat.com>
305 * tree.c (merge_attributes, attribute_list_contained): If both
306 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
308 * c-typeck.c (comptypes_internal): Don't consider aggregates
309 in different TUs as compatible if there one set of attributes is
310 not a subset of the other type's attributes.
311 (composite_type): Try harder not to create a new aggregate type.
313 2006-09-22 Geoffrey Keating <geoffk@apple.com>
315 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
316 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
317 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
318 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
319 than replicating condition above.
320 * config.host (i[34567]86-*-*): Always use driver-i386.o.
322 * config/darwin.h (LINK_SYSROOT_SPEC): New.
323 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
324 the linker by default.
326 2006-09-22 Mike Stump <mrs@apple.com>
328 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
331 2006-09-22 Richard Guenther <rguenther@suse.de>
334 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
335 sort of stack variables stable.
337 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
340 * explow.c (force_reg): Set REG_POINTER flag according to
343 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
345 PR tree-optimization/28888
346 * tree-if-conv.c (combine_blocks): Rewritten.
347 * tree-cfg.c (tree_verify_flow_info): Check that edges with
348 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
350 2006-09-22 Jakub Jelinek <jakub@redhat.com>
352 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
355 2006-09-21 Richard Sandiford <richard@codesourcery.com>
357 * varasm.c (copy_constant): Fix reversed gcc_assert check.
359 2006-09-21 Janis Johnson <janis187@us.ibm.com>
361 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
363 2006-09-21 Roger Sayle <roger@eyesopen.com>
366 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
367 dw_fde_current_label, to be the start of the function, i.e. the same
368 value as dw_fde_begin.
370 2006-09-20 Richard Sandiford <richard@codesourcery.com>
372 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
373 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
374 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
375 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
376 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
377 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
378 (abs<mode>2, neg<mode>2): Likewise.
379 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
380 (*mips_abs_ps): New define_insn.
382 2006-09-20 Josh Conner <jconner@apple.com>
385 * calls.c (expand_call): Allow reuse of structure return stack
388 2006-09-20 Paul Brook <paul@codesourcery.com>
390 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
393 2006-09-20 Janis Johnson <janis187@us.ibm.com>
395 * doc/extend.texi (Decimal Float): Update for latest draft TR,
396 clean up terminology.
398 2006-09-20 Steve Ellcey <sje@cup.hp.com>
401 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
402 with tablejumps in them.
404 2006-09-20 Jakub Jelinek <jakub@redhat.com>
407 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
408 wrap it into TARGET_EXPR.
410 2006-09-20 Eric Christopher <echristo@apple.com>
412 * config/i386/i386.c (x86_fisttp): Remove.
413 * config/i386/i386.h (x86_fisttp): Ditto.
414 (TARGET_FISTTP): Ditto.
416 2006-09-19 Eric Christopher <echristo@apple.com>
418 * doc/tm.texi (OBJC_JBLEN): Describe.
419 * config/i386/darwin.h (OBJC_JBLEN): Define.
420 * config/rs6000/darwin.h: Ditto.
422 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
424 PR rtl-optimization/21299
425 * reload1.c (reload): Purge invalid ASMs in the final pass.
427 2006-09-19 Steve Ellcey <sje@cup.hp.com>
430 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
431 pointers as legitimate constants.
433 2006-09-19 Paul Brook <paul@codesourcery.com>
436 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
438 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
440 PR tree-optimization/28887
441 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
442 component parts from the reference.
443 (gather_memory_references_ref): Record the reference without the
444 nonaddressable component parts.
446 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
449 * c-opts.c (c_common_handle_option): Ignore the -std options
450 if the input language is assembly.
452 2006-09-17 Ira Rosen <irar@il.ibm.com>
455 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
457 (ptr_ptr_may_alias_p): Likewise.
458 (record_record_differ_p): New function.
459 (base_object_differ_p): Call record_record_differ_p.
461 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
464 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
465 away for the expr argument.
467 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
470 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
471 before using it for dumping after vectorizing loops.
473 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
474 Jack Howarth <howarth@bromo.med.uc.edu>
477 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
478 skip on error_mark_node.
479 (rs6000_darwin64_record_arg_recurse): Likewise.
481 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
483 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
484 * doc/rtl.texi: Remove related documentation.
486 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
488 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
491 2006-09-15 Jim Wilson <wilson@specifix.com>
493 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
494 Handle symbol offsets same as they are handled in ia64_expand_move
497 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
499 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
500 Add forgotten parameter to the fprintf call.
502 2006-09-15 Steve Ellcey <sje@cup.hp.com>
504 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
506 2006-09-15 Uros Bizjak <uros@kss-loka.si>
508 * doc/contrib.texi: Add my entry.
510 2006-09-15 Nick Clifton <nickc@redhat.com>
512 * doc/md.texi (Processor pipeline description): Fix typo in
513 example of how to use the absence_set directive and reword the
514 description to make it slightly easier to read.
516 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
518 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
519 * loop-doloop.c (doloop_optimize): Use it to limit costs of
520 expanding the number of iterations.
521 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
523 * cfgrtl.c (emit_insn_at_entry): New function.
524 * rtl.h (emit_insn_at_entry): Declare it.
525 * integrate.c (emit_initial_value_sets): Use it.
527 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
529 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
531 (struct loop_work and related VEC declarations): Delete.
532 (bfin_dump_loops): Print out new member bad.
533 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
534 (bfin_scan_loop): Don't recurse.
535 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
536 loops. No longer need to update outer loops if the current one is
537 found bad. Move some validitiy checks to bfin_discover_loop.
538 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
539 but changed not to check for nesting. Also changed to use the new bad
541 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
542 time. Use bitmap based test to discover loop nesting.
544 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
546 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
549 2006-09-14 Richard Guenther <rguenther@suse.de>
550 Kazu Hirata <kazu@codesourcery.com>
553 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
554 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
555 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
556 with TARGET_FUNCTION_VALUE.
558 2006-09-14 Anatoly Sokolov <aesok@post.ru>
561 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
563 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
565 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
568 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
571 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
574 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
576 * basic_block.h (bb_has_eh_pred): Fix comment.
578 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
580 * flow.c (calculate_global_regs_live): Invalidate eh registers
581 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
582 (propagate_block): Handle eh registers as if they were set at basic
584 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
586 * global.c (global_conflicts): Make eh registers to conflict with
587 pseudos live at basic block begin.
588 * basic_block.h (bb_has_eh_pred): New function.
590 2006-09-13 Richard Sandiford <richard@codesourcery.com>
592 PR rtl-optimization/28982
593 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
594 index of a PRE_MODIFY or POST_MODIFY address.
595 * reload1.c (inc_for_reload): Use find_replacement on the original
596 base and index registers.
598 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
600 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
601 for -Os. Update __m128 alignment requirement.
603 2006-09-13 Jan Hubicka <jh@suse.cz>
605 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
607 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
609 PR rtl-optimization/28243
610 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
611 the insn to which the note was originally attached.
613 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
614 Roger Sayle <roger@eyesopen.com>
616 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
617 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
618 on platforms that don't use dwarf for debug info.
620 2006-09-12 Jason Merrill <jason@redhat.com>
623 * builtins.c (expand_builtin_setjmp_receiver): Clobber
624 hard_frame_pointer_rtx after using it to update the frame pointer.
626 2006-09-12 Roger Sayle <roger@eyesopen.com>
628 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
629 (TARGET_ASM_CLOSE_PAREN): Likewise.
630 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
631 (TARGET_ASM_CLOSE_PAREN): Likewise.
633 2006-09-12 Roger Sayle <roger@eyesopen.com>
636 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
637 frame information for frames larger than 512 Kbytes on Tru64 when
638 using the native assembler.
640 2006-09-12 Roger Sayle <roger@eyesopen.com>
644 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
645 and symbols. Instead use the implementation from cse.c's hash_rtx.
647 2006-09-12 Jan Hubicka <jh@suse.cz>
649 PR rtl-optimization/28071
650 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
651 (vect_transform_loop): Likewise.
652 * tree-vectorizer.c (new_loop_vec_info): Likewise.
653 (new_loop_vec_info): Likewise.
654 (destroy_loop_vec_info): Likewise.
655 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
656 (create_stmt_ann): Likewise.
657 (create_tree_ann): Rename to ...
658 (create_tree_common_ann): ... this one; allocate only the common part
660 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
661 (get_value_handle): Likewise.
662 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
664 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
665 (vinfo_for_stmt): Use stmt annotations.
666 * tree-flow.h (tree_ann_common_t): New type.
667 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
668 (tree_ann, get_tree_ann, create_tree_ann): New.
669 * tree-flow-inline.h (get_function_ann): Do more type checking.
670 (stmt_ann): Likewise.
671 (tree_ann): Rename to ...
672 (tree_common_ann): ... this one; return ony common_ann
673 (get_tree_ann): Rename to ...
674 (tree_common_ann): This one; return only common_ann.
675 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
678 2006-09-11 Geoffrey Keating <geoffk@apple.com>
680 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
683 * dwarf2out.c (dwarf_file_data): New.
684 (enum dw_val_class): Add dw_val_class_file.
685 (struct dw_val_struct): Add val_file.
686 (file_table): Change to a hash table.
687 (file_table_emitted): Delete.
688 (file_table_last_lookup_index): Delete.
690 (last_emitted_file): New.
691 (lookup_filename): Change prototype to return a struct dwarf_file_data.
692 (init_file_table): Delete.
693 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
694 (AT_addr): Add comment.
698 (print_die): Handle dw_val_class_file.
699 (print_dwarf_line_table): Update for new file table structure.
700 (attr_checksum): Do checksum a filename.
701 (same_dw_val_p, same_attr_p): Do compare a filename.
702 (size_of_die): Handle dw_val_class_file.
703 (value_format): Likewise.
704 (output_die): Likewise. Also, call maybe_emit_file here.
705 (struct file_info): Constify filenames. Make file_idx a pointer
706 to a struct dwarf_file_data.
707 (struct dir_info): Constify directory names. Remove 'used' field.
708 (struct file_name_acquire_data): New.
709 (file_name_acquire): New.
710 (output_file_names): Modify to handle new file data structures.
711 (add_src_coords_attributes): Use add_AT_file.
712 (add_call_src_coords_attributes): Likewise.
713 (dwarf2out_imported_module_or_decl): Likewise.
714 (gen_subprogram_die): Modify for new file data structures.
715 (gen_variable_die): Likewise.
716 (file_table_eq): New.
717 (file_table_hash): New.
718 (file_table_last_lookup): New.
719 (lookup_filename): Rewrite to handle new file data structures.
720 (maybe_emit_file): Rewrite to handle new file data structures.
721 (dwarf2out_source_line): Always call lookup_filename and
723 (dwarf2out_init): Create file_table here.
724 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
725 (file_table_relative_p): New.
726 (dwarf2out_finish): Change detection of relative filenames
727 to work with new file data structures. Move output_line_info call
728 after debug_info output.
730 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
735 * config/i386/i386.c (override_options): Always default to 16
738 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
741 * var-tracking.c (dump_dataflow_set): Start dumping at
743 (clobber_variable_part): Kill only the variable part in
744 registers holding it, leaving other variables alone.
746 2006-09-11 Josh Triplett <josh@freedesktop.org>
748 * doc/extend.texi (Other Builtins): Actually use the macro
749 argument in the documentation example for
750 __builtin_types_compatible_p.
752 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
754 PR rtl-optimization/28726
755 * sched-deps.c (sched_analyze_reg): New function extracted from...
756 (sched_analyze_1): ...here. Call it to analyze references to
757 registers. Treat again writes to a stack register as writing to the
759 (sched_analyze_2): ...and here. Call it to analyze references to
760 registers. Treat again reads of a stack register as reading the
763 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
764 David Edelsohn <edelsohn@gnu.org>
767 * config/rs6000/spe.md (frob_df_di): Remove %H.
768 (frob_di_df): Remove %H. Change evmergelo to mr.
769 (frob_di_df_2): Remove %H. Change evldd to two loads.
771 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
773 * doc/cpp.texi: Fix names of charset options.
775 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
778 * config/i386/i386.c (override_options): Use 128-bit
779 stack boundary always for 64bits.
781 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
783 PR rtl-optimization/28636
784 * combine.c (force_to_mode): Test for side-effects before
785 substituting by zero.
786 (simplify_shift_const): Likewise for zero or other constants.
788 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
791 * builtins.c (expand_builtin_setjmp): Force next_lab to be
794 2006-09-10 Richard Sandiford <richard@codesourcery.com>
797 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
798 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
799 returned by mode_for_size, rather than the mode of src itself,
800 to choose between 32-bit and 64-bit patterns.
801 (mips_mem_fits_mode_p): New function.
802 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
803 that the size of the source matches the size of the destination.
804 (mov_<store>l, mov_<store>r): Likewise.
806 2006-09-10 Eric Christopher <echristo@apple.com>
808 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
811 2006-09-09 Eric Christopher <echristo@apple.com>
814 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
817 2006-09-09 Roger Sayle <roger@eyesopen.com>
818 Nicolas Setton <setton@adacore.com>
820 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
822 2006-09-10 Andreas Schwab <schwab@suse.de>
824 * config/m68k/m68k.md (bungt_rev): New pattern.
826 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
827 Dale Johannesen <dalej@apple.com>
830 * regclass.c (struct reg_pref): Update documentation.
831 (regclass): Set prefclass to NO_REGS if memory is the best option.
832 (record_reg_classes): Cope with a prefclass set to NO_REGS.
834 2006-09-08 Eric Christopher <echristo@apple.com>
836 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
837 * config/t-slibgcc-darwin: Support x86_64 multilib.
838 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
839 Return 1 for x86_64-darwin.
840 * config/i386/t-darwin: Add m64 multilib.
841 (LIB2_SIDITI_CONV_FUNCS): Use.
842 (LIB2FUNCS_EXTRA): Ditto.
843 * config/i386/darwin.h: Support x86_64.
844 * config/i386/i386.c (override_options): Turn on flag_pic
845 for x86_64-darwin. Disable flag_omit_pointer.
846 (get_pc_thunk_name): Assert !TARGET_64BIT.
847 (legitimate_address_p): Disable machopic addressing for
849 (legitimize_pic_address): Ditto.
850 (ix86_expand_move): Ditto.
851 (ix86_expand_call): Ditto.
852 (machopic_output_stub): Ditto.
853 * config/darwin.c (machopic_select_section): Support literal16.
854 (machopic_select_rtx_section): Ditto.
855 * config/darwin-sections.def: Ditto.
856 * config/darwin-64.c: New.
858 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
861 * c-tree.h (struct c_arg_info): Add pending_sizes.
862 * c-parser.c (c_parser_parms_declarator,
863 c_parser_parms_list_declarator): Initialize pending_sizes.
864 * c-decl.c (get_parm_info): Initialize pending_sizes.
865 (get_parm_info): Set pending_sizes.
866 (grokdeclarator): Call put_pending_sizes for parameters for
867 function definition only.
869 2006-09-07 Jason Merrill <jason@redhat.com>
872 * varasm.c (output_constant): Only strip actual no-op conversions.
875 * config/i386/i386.c (override_options): Use 128-bit
876 stack boundary if -msse.
878 2006-09-07 Eric Christopher <echristo@apple.com>
880 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
882 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
885 2006-09-07 Geoffrey Keating <geoffk@apple.com>
887 * dwarf2out.c: Remove strange characters from comment above
888 dwarf2out_frame_debug_expr.
890 2006-09-07 Eric Christopher <echristo@apple.com>
892 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
893 * config/darwin.h: ... to here.
895 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
897 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
899 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
900 (TARGET_PARTIAL_FLAG_REG_STALL): New.
902 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
903 TARGET_PARTIAL_FLAG_REG_STALL.
904 (*ashldi3_cconly_rex64): Likewise.
905 (*ashlsi3_cmp): Likewise.
906 (*ashlsi3_cconly): Likewise.
907 (*ashlsi3_cmp_zext): Likewise.
908 (*ashlhi3_cmp): Likewise.
909 (*ashlhi3_cconly): Likewise.
910 (*ashlqi3_cmp): Likewise.
911 (*ashlqi3_cconly): Likewise.
912 (*ashrdi3_cmp_rex64): Likewise.
913 (*ashrdi3_cconly_rex64): Likewise.
914 (*ashrsi3_cmp): Likewise.
915 (*ashrsi3_cconly): Likewise.
916 (*ashrsi3_cmp_zext): Likewise.
917 (*ashrhi3_cmp): Likewise.
918 (*ashrhi3_cconly): Likewise.
919 (*ashrqi3_cmp): Likewise.
920 (*ashrqi3_cconly): Likewise.
921 (*lshrdi3_cmp_rex64): Likewise.
922 (*lshrdi3_cconly_rex64): Likewise.
923 (*lshrsi3_cmp): Likewise.
924 (*lshrsi3_cconly): Likewise.
925 (*lshrsi3_cmp_zext): Likewise.
926 (*lshrhi3_cmp): Likewise.
927 (*lshrhi3_cconly): Likewise.
928 (*lshrqi2_cmp): Likewise.
929 (*lshrqi2_cconly): Likewise.
931 2006-09-07 Uros Bizjak <uros@kss-loka.si>
934 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
935 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
936 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
937 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
938 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
939 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
940 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
941 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
942 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
943 implement only CC setting effects of shift instructions.
945 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
947 * doc/contrib.texi: Add myself.
949 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
952 * stor-layout.c (relayout_decl): Don't zero the alignment if it
955 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
958 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
959 (divsi_inv_m1): Use them.
960 (UNSPEC_DIV_INV_TABLE): New constant.
962 2006-09-06 James E Wilson <wilson@specifix.com>
965 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
966 then call count_or_remove_death_notes.
968 2006-09-06 Jason Merrill <jason@redhat.com>
971 * tree-inline.c (copy_result_decl_to_var): New fn.
972 (declare_return_variable): Use it. Call declare_inline_vars here.
973 (expand_call_inline): Not here.
975 2006-09-06 Diego Novillo <dnovillo@redhat.com>
977 * doc/contrib.texi: Update my entry.
979 2006-09-06 Nick Clifton <nickc@redhat.com>
981 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
983 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
986 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
987 (canonicalize_induction_variables): Likewise.
988 (tree_unroll_loops_completely): Likewise.
989 (tree_ssa_prefetch_arrays): Likewise.
990 (remove_empty_loops): Likewise.
991 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
992 TODO_cleanup_cfg instead of directly calling
993 cleanup_tree_cfg_loop.
994 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
996 (tree_unroll_loops_completely): Likewise.
997 (remove_empty_loops): Likewise.
998 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
999 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1000 of tree_ssa_unswitch_loops.
1001 (tree_ssa_loop_ivcanon): Use the return value of
1002 canonicalize_induction_variables.
1003 (tree_ssa_empty_loop): Use the return value of
1005 (tree_complete_unroll): Use the return value of
1006 tree_unroll_loops_completely.
1007 (tree_ssa_loop_prefetch): Use the return value of
1008 tree_ssa_prefetch_arrays.
1009 * passes.c (execute_todo): Before Cleanup CFG, set
1010 updating_used_alone and after cleanup CFG, call
1011 recalculate_used_alone.
1013 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1016 * tree-vect-transform.c (vectorizable_condition): Move the check
1017 for the type after the check for simple condition.
1019 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1020 Kaz Kojima <kkojima@gcc.gnu.org>
1023 * mode-switching.c (optimize_mode_switching): Make the destination
1024 block of an abnormal edge have no anticipatable mode. Don't
1025 insert mode switching code at the end of the source block of
1028 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1030 PR rtl-optimization/26847
1031 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1032 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1033 (simplify_plus_minus): Count n_constants while filling ops. Replace
1034 qsort with insertion sort. Before going through the array to simplify
1035 pairs, sort it. Delay early exit until after the first sort, exiting
1036 only if no swaps occurred. Simplify pairs in reversed order, without
1037 special-casing the first iteration. Pack ops after simplifying pairs.
1039 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1041 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1042 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1043 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1044 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1046 2006-09-05 Richard Guenther <rguenther@suse.de>
1048 PR tree-optimization/28900
1049 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1050 compound conditional before creating COND_EXPR condition.
1052 2006-09-05 Richard Guenther <rguenther@suse.de>
1054 PR tree-optimization/28905
1055 * tree-vrp.c (fix_equivalence_set): Manually implement
1056 !value_ranges_intersect_p to also handle symbolic ranges.
1058 2006-09-05 Richard Guenther <rguenther@suse.de>
1061 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1064 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1066 PR rtl-optimization/27616
1067 * cse.c (table_size): New static variable.
1068 (new_basic_block): Initialize it to 0.
1069 (remove_from_table): Decrement it.
1070 (insert): Increment it.
1071 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1072 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1073 fold_rtx_mem_1 if under the cap.
1074 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1075 the lookup of the equivalent expression and test for equality of the
1076 first operand of the equivalent expression before in turn looking up
1077 an equivalent constant for the second operand.
1079 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1082 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1083 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1084 pointer, instead of assuming it is possible to derive the
1085 correct args size from a call insn.
1087 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1090 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1091 (fold_builtin_mempcpy): Rename to...
1092 (fold_builtin_memory_op): ... this. Optimize one element copy
1094 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1096 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1097 (expand_builtin_memcpy, expand_builtin_mempcpy,
1098 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1099 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1100 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1101 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1103 2006-09-01 DJ Delorie <dj@redhat.com>
1105 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1106 (stzx_16): Likewise.
1107 ("stzx_24_<mode>"): Likewise.
1108 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1109 ("cmp<mode>_op"): New.
1110 (cmp<mode>): Change to expander; just save operands.
1112 (b<code>): Change to expander, emit compare here.
1113 (s<code>_op): Change to use split and expander.
1114 (s<code>_24_op): Likewise.
1115 (s<code>_<mode>): New.
1116 (s<code>_<mode>_24): New.
1117 (movqicc_<code>_<mode): New.
1118 (movhicc_<code>_<mode>): New.
1121 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1122 (m32c_pend_compare): New.
1123 (m32c_unpend_compare): New.
1124 (m32c_expand_scc): New.
1125 (m32c_expand_movcc): Emit the compare also.
1126 * config/m32c/predicates.md (mra_nopp_operand): New.
1128 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1129 Richard Guenther <rguenther@suse.de>
1130 Adam Nemet <anemet@caviumnetworks.com>
1133 * builtins.c (get_pointer_alignment): Handle more forms
1134 of base addresses that can be used to derive more precise
1135 information about alignment.
1137 2006-09-01 Jason Merrill <jason@redhat.com>
1140 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1143 * gimplify.c (voidify_wrapper_expr): Handle null type.
1145 2006-09-01 Josh Conner <jconner@apple.com>
1148 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1149 (execute_return_slot_opt): Use it.
1151 2006-08-31 Josh Conner <jconner@apple.com>
1154 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1155 returning aggregates.
1157 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1159 PR tree-optimization/28839
1160 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1161 blocks in that phi arguments appear.
1163 2006-08-31 Roger Sayle <roger@eyesopen.com>
1166 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1167 NULL, otherwise use an advance_loc4 to adjust relative to the
1169 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1170 (dwarf2out_switch_text_section): Reset the current label to avoid
1171 using advance_loc4 over section boundaries.
1173 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1176 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1177 r12 + SYMBOLIC_CONST.
1179 2006-08-30 Richard Guenther <rguenther@suse.de>
1181 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1183 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1185 PR rtl-optimization/27735
1186 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1187 Add new argument to keep track of whether an irreducible region
1188 was affected. All callers changed.
1189 (fix_irreducible_loops): Removed.
1190 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1191 flags were invalidated.
1193 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1195 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1196 instead of SF operands.
1197 (*fop_df_comm_sse): Likewise.
1198 (*fop_df_comm_i387): Likewise.
1199 (*fop_df_1_mixed): Likewise.
1200 (*fop_df_1_sse): Likewise.
1202 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1203 J"orn Rennecke <joern.rennecke@st.com>
1205 PR tree-optimization/17506
1206 * tree-ssa.c (warn_uninit): If warning about a location outside of
1207 the current function, note where the variable was declared.
1209 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1211 PR tree-optimization/28411
1212 * double-int.c (double_int_div): Use double_int_divmod.
1213 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1214 double_int_mod, double_int_smod, double_int_umod): New functions.
1215 * double-int.h (double_int_divmod, double_int_sdivmod,
1216 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1218 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1220 (get_computation_aff, get_computation_cost_at): Handle double_int
1221 return type of constant_multiple_of.
1223 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1226 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1227 an implicit conversion.
1229 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1231 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1233 2006-08-27 Roger Sayle <roger@eyesopen.com>
1235 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1238 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1240 * config/i386/crtfastmath.c: Fix a comment typo.
1242 2006-08-26 Roger Sayle <roger@eyesopen.com>
1244 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1245 temporary visit flags on CASE_LABEL_EXPRs.
1246 * c-common.c (match_case_to_enum): Add function comment. Avoid
1247 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1248 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1249 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1250 a constant, only warn if that constant value isn't handled.
1252 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1255 * input.h (restore_input_file_stack): Declare.
1256 (INPUT_FILE_STACK_BITS): Define.
1257 * toplev.c (fs_p, input_file_stack_history,
1258 input_file_stack_restored, restore_input_file_stack): New.
1259 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1260 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1261 (pop_srcloc): Don't free old state of stack.
1263 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1266 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1267 (PowerPC Type Attributes): New.
1269 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1271 * config/xtensa/xtensa.c (function_arg_boundary): New.
1272 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1274 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1275 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1277 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1280 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1283 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1285 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1286 (verify_local_live_at_start): Likewise.
1288 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1291 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1292 omp_add_variable): Treat sizes as variable whenever not
1295 2006-08-26 Richard Guenther <rguenther@suse.de>
1298 * fold-const.c (fold_binary): Fold temporary to correct
1299 type before constructing new comparison.
1301 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1304 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1305 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1307 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1310 * c-decl.c (start_function): Don't try to process prototype
1311 information from old declaration that isn't a function.
1313 2006-08-25 Jan Hubicka <jh@suse.cz>
1316 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1318 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1321 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1324 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1326 PR tree-optimization/16876
1327 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1328 exit if PARM doesn't match VALUE.
1330 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1332 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1333 literal_prefix directive.
1334 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1335 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1336 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1338 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1341 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1342 predicate to general_operand. Add 0->y and I->r alternatives.
1344 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1346 * doc/tm.texi: Fix a typo.
1347 * predict.c: Fix comment typos.
1349 2006-08-25 Nick Clifton <nickc@redhat.com>
1351 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1352 assertions of "cpu" and "machine".
1354 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1357 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1358 the access through a base which has an alias set of 0 cannot
1361 2006-08-24 Bill Wendling <wendling@apple.com>
1363 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1365 2006-08-24 Jan Hubicka <jh@suse.cz>
1367 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1369 2006-08-24 Jan Hubicka <jh@suse.cz>
1372 * cgraph.c: Fix comments.
1373 (cgraph_varpool_mark_needed_node): Mark only variables not already
1375 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1376 (cgraph_varpool_assembled_nodes_queue): New static variable.
1377 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1378 (cgraph_varpool_output_debug_info): New function.
1379 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1380 * Makefile.in: Add gt-cgraphunit.h
1382 2006-08-24 Jan Hubicka <jh@suse.cz>
1384 * predict.c (probability_reliable_p): New predicate.
1385 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1386 (predict_loops): Do not predict loop exit with less than 2%
1388 * basic-block.h (edge_probability_reliable_p,
1389 br_prob_note_reliable_p): Declare.
1390 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1391 prediction when static predictor is not reliable.
1392 * rs6000.c (output_cbranch): Likewise.
1394 2006-08-23 Stuart Hastings <stuart@apple.com>
1397 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1398 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1400 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1403 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1404 complex values, nor for generic vector values.
1406 2006-08-22 Richard Guenther <rguenther@suse.de>
1409 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1410 parameter. Convert arguments to arithmetic expression to the
1412 (analyze_scalar_evolution_1): Adjust caller.
1414 2006-08-22 Jan Hubicka <jh@suse.cz>
1416 Patch by Paolo Bonzini
1417 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1420 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1422 PR tree-optimization/28003
1423 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1424 before grouping aliases.
1426 2006-08-22 Roger Sayle <roger@eyesopen.com>
1428 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1429 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1431 2006-08-21 Jason Merrill <jason@redhat.com>
1434 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1435 wrapper. Loop to handle nested wrappers.
1436 (gimplify_bind_expr): Remove temp parameter.
1437 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1438 and STATEMENT_LIST on the rhs.
1439 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1440 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1441 (gimplify_target_expr): Remove special BIND_EXPR handling.
1443 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1445 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1448 2006-08-21 Olivier Hainque <hainque@adacore.com>
1450 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1451 Arrange for the temporary captures of components overlapping the lhs
1452 to happen before the lhs is possibly cleared.
1454 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1456 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1457 necessary places to pass the correct "number of registers" values
1460 2006-08-20 Jan Hubicka <jh@suse.cz>
1462 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1463 (create_name_tags): Instead of quadratic checking use hashtable.
1464 * bitmap.h: Include hashtab.h.
1465 (bitmap_hash): Declare.
1466 * bitmap.c (bitmap_hash): New function.
1468 2006-08-20 Jan Hubicka <jh@suse.cz>
1470 PR rtl-optimization/28071
1471 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1473 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1474 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1475 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1476 cgraph_decide_inlining_incrementally): Update use of
1477 cgraph_check_inline_limits.
1478 * cgraph.c (edge_hash, edge_eq): New function.
1479 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1480 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1481 cgraph_remove_node): Maintain call site hash.
1482 * cgraph.h (struct cgraph_node): Add call_site_hash.
1483 (cgraph_set_call_stmt): New function.
1485 2006-08-20 Jan Hubicka <jh@suse.cz>
1487 PR rtl-optimization/28071
1488 * reload1.c (reg_has_output_reload): Turn into regset.
1489 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1490 choose_reload_regs, emit_reload_insns): Update to new
1491 reg_has_output_reload.
1493 2006-08-20 Jan Hubicka <jh@suse.cz>
1496 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1497 function body sizes.
1498 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1500 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1503 * tree.c (handle_dll_attribute): Return early if not a
1504 var or function decl.
1506 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1509 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1510 alignment of SPE vector types.
1512 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1514 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1516 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1519 * cgraph.h (struct cgraph_node): Remove externally_visible
1521 * cgraphunit.c (process_function_and_variable_attributes): Set
1522 local.externally_visible rather than externally_visible.
1525 * c-common.c (handle_externally_visible_attribute): First look
1526 at TREE_CODE and only if it is function or var decl, check for
1527 non-public objects. Don't warn for DECL_EXTERNAL.
1528 * cgraphunit.c (process_function_and_variable_attributes): Warn
1529 if externally_visible attribute is used on non-public object.
1531 2006-08-17 Jan Hubicka <jh@suse.cz>
1533 PR tree-optimization/27865
1534 * reload1.c (forget_marked_reloads): New function.
1535 (forget_old_reloads_1): When data are passed, just mark the registers
1537 (reload_as_needed): Use the new mechanizm.
1539 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1542 * reload.h (reg_equiv_alt_mem_list): New declaration.
1543 * reload1.c (reg_equiv_alt_mem_list): New definition.
1544 (reload): Initialize it and release it.
1545 (delete_output_reload): Use it.
1546 * reload.c (push_reg_equiv_alt_mem): New function.
1547 (find_reloads_toplev): Call it.
1548 (find_reloads_address, find_reloads_address_1): Likewise.
1549 (find_reloads_subreg_address): Likewise.
1551 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1553 PR rtl-optimization/28489
1554 * sched-ebb.c (begin_schedule_ready): Create basic block
1556 (advance_target_bb): Skip empty blocks.
1557 * haifa-sched.c (bb_note): Make global.
1558 * sched-int.h (bb_note): Add prototype.
1560 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1562 PR tree-optimization/27865
1563 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1565 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1566 fold_used_pointer, pointer_used_p): New functions.
1567 (analyze_scalar_evolution_1): Use fold_used_pointer.
1568 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1569 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1572 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1575 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1576 or the INTEGER_CST. Fail on a CALL_EXPR.
1577 (fold_offsetof): Pass new argument to fold_offsetof_1.
1578 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1579 operand into an INDIRECT_REF.
1580 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1582 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1584 PR gcov/profile/26570
1585 * value-prof.c (static_values): Removed.
1586 (tree_find_values_to_profile): Do not set static_values.
1587 (find_values_to_profile): Do not free static_values.
1588 * profile.c (instrument_values): Do not free the values.
1589 (branch_prob): Free the values.
1591 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1593 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1595 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1598 * c-typeck.c (build_component_ref): Combine qualifiers of
1599 structure or union and field.
1601 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1603 PR rtl-optimization/28071
1604 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1605 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1606 * tree-into-ssa.c (struct dom_dfsnum): New.
1607 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1609 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1610 compute_global_livein.
1611 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1612 in phi nodes in the correct blocks.
1614 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1616 PR tree-optimization/28364
1617 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1619 (fold_affine_expr): New function.
1620 (may_eliminate_iv): Use fold_affine_expr.
1622 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1625 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1628 2006-08-16 Mike Stump <mrs@apple.com>
1630 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1631 * doc/cppopts.texi (-MD): Likewise.
1633 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1636 * c-common.c (handle_weak_attribute): Ignore and warn if
1637 not a FUNCTION_ or VAR_DECL.
1639 2006-07-15 Mike Stump <mrs@apple.com>
1642 * c-parser.c (c_parser_typeof_specifier): Don't use
1643 c_finish_expr_stmt, open code desired semantics instead.
1645 2006-08-15 Nick Clifton <nickc@redhat.com>
1647 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1648 fragment to tmake_file only if threads are enabled.
1649 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1650 * config/i386/t-gthr-win32: New file. ... here.
1652 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1655 * c-parser.c (c_parser_compound_statement_nostart): Reset
1656 parser->error after each statement.
1658 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1661 * omp-low.c (lower_omp_parallel): Convert t to
1662 receiver_decl's type.
1663 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1664 source before comparison.
1667 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1668 to itype in assignment to oldival2.
1670 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1674 * c-typeck.c (build_compound_expr): If the second expression
1675 is an error mark, then just return an error mark instead of
1676 creating a COMPOUND_EXPR.
1678 2006-07-14 Mike Stump <mrs@apple.com>
1680 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1682 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1684 * c-decl.c, var-tracking.c: Fix comment typos.
1686 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1688 PR rtl-optimization/28634
1689 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1690 for floating-point modes unless flag_unsafe_math_optimizations.
1692 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1693 Andrew Pinski <pinskia@physics.uc.edu>
1696 * tree.c (build_array_type): Unify array types with
1697 unspecified index_type.
1698 * c-decl.c (grokdeclarator): Make sure we do not modify a
1699 unified incomplete array type.
1700 * c-typeck.c (store_init_value): Create distinct type before
1701 filling in the index type in an initializer from a compound
1704 * c-decl.c (grokdeclarator): Remove code where we copy the
1707 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1709 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1710 into account for TODO_dump_cgraph.
1711 (TODO_update_ssa_no_phi): Likewise.
1712 (TODO_update_ssa_full_phi): Likewise.
1713 (TODO_update_ssa_only_virtuals): Likewise.
1714 (TODO_remove_unused_locals): Likewise.
1715 (TODO_set_props): Likewise.
1716 (TODO_update_stmt_usage): Likewise.
1718 2006-08-13 Dirk Mueller <dmueller@suse.de>
1720 * c-common.c (strict_aliasing_warning): Fix formatting.
1722 2006-08-13 Matthias Klose <doko@debian.org>
1724 * doc/invoke.texi: Fix spelling errors.
1726 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1728 PR rtl-optimization/23454
1729 * reorg.c (relax_delay_slots): Update comment.
1731 2006-08-11 Richard Guenther <rguenther@suse.de>
1734 * simplify-rtx.c (simplify_const_relational_operation):
1735 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1738 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1740 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1741 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1743 2006-08-10 Paul Brook <paul@codesourcery.com>
1745 * final.c (final_scan_insn): Clear current_insn_predicate before
1746 outputting inline asm.
1748 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1750 PR tree-optimization/26197
1751 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1752 get_ref_base_and_extent and overlap_subvar to add only relevant
1753 subvars as may-aliases.
1754 (add_may_alias_for_new_tag): New function, factored out of
1756 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1757 with additional argument.
1758 * tree-flow.h (new_type_alias): Takes additional argument.
1760 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1762 * gcov.c (no_data_file): New flag.
1763 (read_count_file): Set it if data file not present. Assume counts
1765 (output_lines): Don't name the data file, if there wasn't one.
1767 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1769 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1770 (rs6000_generate_compare): Tweak comments.
1771 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1773 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1775 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1776 (var_debug_decl): New function.
1777 (var_reg_set): Follow debug decl link. Add location even if
1778 reg is already known to hold some other variable.
1779 (var_mem_set): Follow debug decl link.
1780 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1781 decl link. Delete other known locations of the variable part
1783 (var_reg_delete, var_mem_delete): Delete other known locations
1784 of the variable part if requested.
1785 (same_variable_part_p): New function.
1786 (add_stores): Select MO_COPY when appropriate.
1787 (vt_initialize): Handle it.
1788 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1789 known locations for MO_SET and MO_CLOBBER.
1790 (find_variable_location_part): New function.
1791 (set_variable_part, delete_variable_part): Use it.
1792 (clobber_variable_part): New function.
1793 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1796 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1798 PR tree-optimization/26969
1799 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1800 with an empty list of PHIs.
1802 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1806 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1809 2006-08-06 Andreas Schwab <schwab@suse.de>
1811 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1812 string. Whitespace and comment fixup.
1814 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1817 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1821 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1824 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1826 2006-08-04 Jan Hubicka <jh@suse.cz>
1830 * reload.c (push_reload): Patch out the mismatching instruction;
1832 (find_reload): Bail out if the instruction was patched out.
1834 2006-08-04 Jan Hubicka <jh@suse.cz>
1836 PR tree-optimization/24888
1837 * tree-inline.c (expand_call_inline): Do not re-record variables.
1838 (declare_inline_vars): Add variable to unexpanded_var_list.
1840 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1841 Roger Sayle <roger@eyesopen.com>
1843 PR rtl-optimization/26244
1844 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1845 inner_const are negative or greater than or equal to the bitsize of
1846 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1847 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1848 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1849 CONST0_RTX (mode) when the new shift count is greater than or equal to
1850 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1853 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1855 * tree-cfg.c: Fix a comment typo.
1857 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1860 * varasm.c (output_constant): Give the front end another chance to
1861 expand constants, after stripping NOPs.
1863 2006-08-03 Jan Hubicka <jh@suse.cz>
1865 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1868 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1870 PR tree-optimization/27770
1871 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1872 declaration removed (moved to tree-flow.h).
1873 (vect_can_force_dr_alignment_p): Likewise.
1874 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1875 (moved from tree-vectorizer.h).
1876 (vect_can_force_dr_alignment_p): Likewise.
1877 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1878 from outside the vectorizer - in particular from cgraph stage.
1879 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1880 the alignment of global arrays when -fsection-anchors is enabled.
1881 * cgraphunit.c (cgraph_increase_alignment): New function.
1882 (cgraph_optimize): Call cgraph_increase_alignment.
1884 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1887 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1888 not reload a SPE symbol_ref into a lo_sum address.
1890 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1893 * dwarf2out.c (prune_unused_types_prune): Move call to
1894 prune_unused_types_update_strings to cover the parent DIE also.
1896 2006-08-02 Jan Hubicka <jh@suse.cz>
1898 PR gcov/profile/28480
1899 * tree-cfg.c (change_bb_for_stmt): New function.
1900 (tree_merge_blocks, tree_split_blocks): Use it.
1902 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1908 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1909 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1910 (cgraph_optimize): Likewise.
1912 2006-08-01 Stuart Hastings <stuart@apple.com>
1914 * rtl.h (UINTVAL) New.
1915 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1916 * testsuite/gcc.dg/20060801-1.c: New.
1918 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1921 * c-typeck.c (build_external_type): Mark used enum types.
1922 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1924 (gen_subprogram_die): Whitespace fix.
1926 2006-08-01 Jan Hubicka <jh@suse.cz>
1928 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1929 bitmap when not needed.
1930 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1933 2006-08-01 Dirk Mueller <dmueller@suse.de>
1935 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1937 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1939 * Makefile.in: Revert part of previous patch:
1940 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1943 2006-07-30 Eric Christopher <echristo@apple.com>
1946 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1947 (PowerPC Variable Attributes): New section.
1949 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1951 PR target/28126 (partial fix)
1952 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1954 2006-07-28 Jan Hubicka <jh@suse.cz>
1956 PR rtl-optimization/28071
1957 * cfgrtl.c (rtl_delete_block): Free regsets.
1958 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1960 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1962 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1963 and variables used in dependencies.
1965 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1967 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1968 %fs for -mcmodel=kernel.
1969 (stack_tls_protect_test_di): Likewise.
1971 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1973 * Makefile.in: Use mkinstalldirs.
1975 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1978 * opts-common.c (prune_options): Skip joined switches.
1980 2006-07-27 Jan Hubicka <jh@suse.cz>
1982 PR rtl-optimization/28071
1983 * cselib.c (cselib_process_insn): Don't remove useless values too
1984 often for very large hashtables.
1986 2006-07-27 Jan Hubicka <jh@suse.cz>
1988 PR rtl-optimization/28071
1989 * global.c (greg_obstack): New obstack.
1990 (allocate_bb_info): Use it.
1991 (free_bb_info): Likewise.
1992 (modify_reg_pav): Likewise.
1994 2006-07-27 Roger Sayle <roger@eyesopen.com>
1996 * builtins.c (fold_fixed_mathfn): When long and long long are the
1997 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1998 functions to their lceil*, lfloor*, lround* and lrint* forms.
2000 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2003 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2005 (rev_branch_insn): Likewise.
2007 2006-07-27 Jan Hubicka <jh@suse.cz>
2009 PR rtl-optimization/28071
2010 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2011 (reg_set_in_bb, max_reg_computed): New static variables.
2012 (regmove_optimize): Free the new array.
2013 (fixup_match_1): Update call of reg_is_remote_constant_p.
2015 2006-07-26 Jan Hubicka <jh@suse.cz>
2017 PR tree-optimization/27882
2018 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2020 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2022 (cgraph_analyze_compilation_unit): Likewise.
2023 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2024 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2025 (cgraph_early_inlinine): Make order garbage collected.
2026 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2028 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2030 * dbxout.c (output_types_sort): Add a comment.
2031 (output_used_types): Free the VEC.
2033 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2035 * function.c (reorder_fix_fragments): Delete.
2036 (reorder_blocks): Don't call it.
2037 (reorder_blocks_1): Put all subblocks under the origin block.
2039 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2041 PR rtl-optimization/27907
2042 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2045 2006-07-25 Roger Sayle <roger@eyesopen.com>
2048 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2049 bar(x) check that bar's result type can represent all the values of T.
2051 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2053 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2055 2006-07-25 Nick Clifton <nickc@redhat.com>
2057 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2058 size_lookup[] array.
2059 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2060 (ggc_pch_count_object): Likewise.
2061 (ggc_pch_alloc_object): Likewise.
2062 (ggc_pch_write_object): Likewise.
2063 (init_ggc): Do not attempt to initialize entries in the
2064 size_lookup[] array for objects whose size is greater than than
2065 the length of the array.
2067 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2069 * dbxout.c (output_used_types_helper): Push queued types
2071 (output_types_sort): New.
2072 (output_used_types): Collect used types on a VEC and sort them
2075 2006-07-24 Richard Guenther <rguenther@suse.de>
2078 * cgraph.c (cgraph_remove_node): Do not check if dumps
2080 * cgraphunit.c (cgraph_optimize): Likewise.
2082 2006-07-24 Jan Hubicka <jh@suse.cz>
2084 PR rtl-optimization/28071
2085 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2086 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2087 splitting before first stmt.
2089 2006-07-24 Jan Hubicka <jh@suse.cz>
2091 PR rtl-optimization/28071
2092 * ipa-inline.c (update_caller_keys): Remove edges that
2093 are no longer inline candidates.
2095 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2098 * dbxout.c (output_used_types_helper, output_used_types): New.
2099 (dbxout_symbol): Call output_used_types.
2101 2006-07-23 Jan Hubicka <jh@suse.cz>
2105 * cgraph.c (cgraph_varpool_nodes): Export.
2106 (decide_is_variable_needed): Ignored "used" attribute in
2107 unit-at-a-time mode.
2108 * cgraph.h (cgraph_varpool_nodes): Declare.
2109 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2110 unit-at-a-time mode.
2112 2006-07-23 Roger Sayle <roger@eyesopen.com>
2115 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2116 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2117 the __gthrw form of thr_keycreate.
2118 (__gthread_key_delete): Silence the unused argument warning.
2120 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2123 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2124 Cache the last found '\0' marker to avoid quadratic behavior.
2126 2006-07-23 Jan Hubicka <jh@suse.cz>
2128 * i386.md (subsi_3_zext): Fix output template.
2130 2006-07-21 Mike Stump <mrs@apple.com>
2132 * doc/invoke.texi (C++ Dialect Options): Note that
2133 -fvisibility-inlines-hidden doesn't affect explicitly
2134 instantiationed inline methods.
2136 2006-07-20 Roger Sayle <roger@eyesopen.com>
2138 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2139 if the target assembler is GNU binutils' gas.
2140 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2141 whether to pass GNU gas or native as command line options.
2143 2006-07-20 Jason Merrill <jason@redhat.com>
2145 * tree.c (remove_attribute): New fn.
2146 * tree.h: Declare it.
2148 2006-07-20 Paul Brook <paul@codesourcery.com>
2151 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2152 they are invalidated by this instruction.
2154 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2157 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2159 2006-07-20 Eric Christopher <echristo@apple.com>
2162 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2164 2006-07-19 Eric Christopher <echristo@apple.com>
2166 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2167 Rewrite dependencies for libgcc_s.1.dylib.
2169 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2171 * except.c (duplicate_eh_regions_1): Clear next_peer.
2173 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2175 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2176 -mlongcall does not guarantee all calls will be long.
2177 * doc/extend.texi (long_call/short_call): Document that longcall
2178 does not guarantee a long call will be used.
2179 (longcall/shortcall): Likewise.
2181 2006-07-18 Roger Sayle <roger@eyesopen.com>
2184 * expmed.c (expand_shift): Additionally check that the shift_cost
2185 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2186 before implementing a LSHIFT_EXPR as a sequence of additions.
2187 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2188 middle-end that DImode shifts need to be synthesized by expand.
2190 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2193 * tree-ssa-operands.c (access_can_touch_variable): Update
2195 Return true if ALIAS is .GLOBAL_VAR.
2197 2006-07-18 David Daney <ddaney@avtrex.com>
2199 * gcc.c (display_help): Fix typo in help text.
2201 2006-07-18 Olivier Hainque <hainque@adacore.com>
2203 * tree.h (categorize_ctor_elements): Adjust prototype and add
2204 descriptive comment, both in accordance with the interface change
2206 * varasm.c (constructor_static_from_elts_p): New function.
2207 Whether a constructor node is a valid static constant initializer
2208 if all its elements are.
2209 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2210 * output.h: Declare it.
2211 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2212 is a valid constant initializer instead of computing the number of
2213 non-constant elements. Use constructor_static_from_elts_p for this
2214 purpose. Replace the head comment with an indication that this is a
2215 helper for categorize_ctor_elements.
2216 (categorize_ctor_elements): Same interface change as for the _1
2217 helper. Former head comment from this helper moved here, adjusted to
2218 account for the interface changes.
2219 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2220 (all_zeros_p): Likewise.
2221 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2222 static versions of the constructor from the categorize_ctor_elements
2223 return value instead of the formerly computed number of non-constant
2226 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2228 * configure: Regenerate.
2229 * Makefile.in (build_libsubdir): New configure substitution
2230 (build_libobjdir): New variable.
2231 (BUILD_LIBIBERTY): Use it.
2233 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2236 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2238 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2241 * c-common.c (handle_weakref_attribute): Ignore attribute in
2242 the same conditions the alias attribute is ignored.
2244 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2246 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2247 (dbxout_begin_prologue): Increment scope_labelno.
2249 2006-07-17 Richard Henderson <rth@redhat.com>
2252 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2255 2006-07-17 Roger Sayle <roger@eyesopen.com>
2256 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2258 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2259 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2260 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2261 functions such as sbrk, write, etc.. Add function prototypes.
2262 Convert function declarations from K&R to ISO C. Cast pointers
2263 to "long" and "unsigned long" instead of "int" and "unsigned int".
2264 Convert tokens following #endif into comments.
2266 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2268 * invoke.texi: Remove mention of f77; Reformat table for
2269 inline parameter options correctly; mention that -malign-double
2270 is default on x86-64 targets.
2272 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2274 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2275 (convert_affine_scev, chrec_convert_aggressive): Use
2276 avoid_arithmetics_in_type_p. Do not check for the subtypes
2279 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2282 * optabs.c (expand_doubleword_shift): Wrap the call to
2283 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2285 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2288 * optabs.c (expand_binop): Pass next_methods rather than methods
2289 to expand_doubleword_shift.
2291 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2294 * tree.h (dump_addr): Declare.
2295 * print-tree.c (dump_addr): New function.
2296 (print_node_brief, print_node): Use it.
2297 * print-rtl.c (print_rtx): Likewise.
2298 * common.opt (-fdump-noaddr): New option.
2299 * doc/invoke.texi (-fdump-noaddr): Document.
2300 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2301 (ve_info_hash): Likewise.
2303 2006-07-13 Andrew Haley <aph@redhat.com>
2305 PR tree-optimization/19505
2306 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2307 edge leaving this block, make sure that the destination of this
2308 block has only one predecessor.
2310 2006-07-17 Richard Guenther <rguenther@suse.de>
2312 PR tree-optimization/28238
2313 * tree-inline.c (copy_bb): Check if we produced valid
2314 gimple copying and substituting a stmt. If not, gimplify
2317 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2319 * optabs.c (maybe_encapsulate_block): New function extracted from...
2320 (emit_libcall_block): ...here. Invoke it on the block of insns to
2321 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2322 (emit_no_conflict_block): Likewise.
2324 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2326 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2328 2006-07-15 Roger Sayle <roger@eyesopen.com>
2330 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2331 a new NOP_EXPR case of the switch statement.
2333 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2336 * stor-layout.c (place_field): Take the bit field with
2337 an excessive size into account in the ms-bitfiled case.
2340 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2341 the previous bit field.
2343 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2346 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2348 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2350 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2351 signal frames correctly even when the signal was installed with
2354 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2356 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2357 (dbxout_function_end): Use local label LFBB. Remove hook
2359 (dbxout_source_line): Use local label LFBB.
2360 (dbxout_block): Likewise.
2361 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2362 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2363 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2364 and DBX_OUTPUT_NFUN.
2366 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2368 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2370 2006-07-13 Jan Hubicka <jh@suse.cz>
2372 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2374 * output.h (align_variable): Declare.
2375 * varasm.c (align_variable): Export.
2376 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2377 when basic block changed.
2379 2006-07-13 Nick Clifton <nickc@redhat.com>
2381 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2382 walking the LOG_LINKS chain.
2384 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2386 * doc/invoke.texi (C++ Dialect Options): Explain difference
2387 between -fvisibility-inlines-hidden and setting hidden
2388 visibility explicitly.
2390 2006-07-12 Eric Christopher <echristo@apple.com>
2392 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2393 (stmp-lipo): Depend on libgcc.a.
2395 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2397 * tree.c: Fix a comment typo.
2399 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2401 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2403 (umulhisi3_r): Likewise.
2405 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2408 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2409 x < 19, vs wchar_t support.
2411 2006-07-12 Nick Clifton <nickc@redhat.com>
2413 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2414 instead of -isa=sh4.
2416 2006-07-12 Mike Stump <mrs@apple.com>
2418 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2420 2006-07-10 Eric Christopher <echristo@apple.com>
2422 * config/t-slibgcc-darwin: Rewrite.
2424 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2427 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2430 2006-07-08 Matthias Klose <doko@debian.org>
2432 * doc/sourcebuild.texi: Fix typo.
2434 2006-07-07 Mike Stump <mrs@apple.com>
2436 * toplev.c (process_options): Don't give -ffunction-sections may
2437 affect debugging warning for Mach-O.
2439 2006-07-07 James E Wilson <wilson@specifix.com>
2441 * config/mips/mips.md (cpu): Add sb1a.
2442 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2443 addition to sb1. Adjust comments to clarify SB-1A differences from
2445 (ir_sb1a_load): New. Modify bypasses to use it.
2446 (ir_sb1a_simple_alu): Likewise.
2447 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2448 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2449 (mips_issue_rate): Add PROCESSOR_SB1A.
2450 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2451 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2452 (TARGET_SB1): Add PROCESSOR_SB1A check.
2453 (TUNE_SB1): Likewise.
2455 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2456 * config/mips/mips.c (mips_store_data_bypass_p): New.
2457 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2458 store_data_bypass_p.
2460 2006-07-08 Paul Brook <paul@codesourcery.com>
2463 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2465 2006-07-07 Richard Guenther <rguenther@suse.de>
2468 * tree.h (build_one_cst): Declare.
2469 * tree.c (build_one_cst): New function.
2470 * tree-ssa-math-opts.c (get_constant_one): Remove.
2471 (insert_reciprocals): Use build_one_cst.
2472 * fold-const.c (fold_plusminus_mult): Likewise.
2474 2006-07-07 Roger Sayle <roger@eyesopen.com>
2476 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2477 * cfgloopanal.c (dump_graph): Likewise.
2478 * dojump.c (discard_pending_stack_adjust): Likewise.
2479 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2481 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2482 * function.c (finalize_block_changes): Likewise.
2483 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2484 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2485 * rtl.c (dump_rtx_statistics): Likewise.
2486 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2488 * varray.c (dump_varray_statistics): Likewise.
2489 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2490 decode_decimal64, encode_decimal128, decode_decimal128,
2491 decimal_real_to_decimal): Likewise.
2493 2006-07-07 Richard Guenther <rguenther@suse.de>
2495 PR tree-optimization/28187
2496 * tree-vrp.c (vrp_operand_equal_p): New function.
2497 (vrp_bitmap_equal_p): Likewise.
2498 (update_value_range): Use them to compare old and new
2501 2006-07-06 Roger Sayle <roger@eyesopen.com>
2503 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2504 a default case to switch statement to silence compiler warnings.
2506 2006-07-06 Roger Sayle <roger@eyesopen.com>
2509 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2510 the configured assembler supports the x87's ffreep mnemonic.
2511 * configure: Regenerate.
2512 * config.in: Regenerate.
2514 * config/i386/i386.c (output_387_ffreep): New function.
2515 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2516 (output_387_reg_move): Likewise.
2518 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2520 Port to hosts whose 'sort' and 'tail' implementations
2521 treat operands with leading '+' as file names, as POSIX
2522 has required since 2001. However, make sure the code still
2523 works on pre-POSIX hosts.
2524 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2525 which says you should use "tail -c +N" rather than "tail +Nc".
2526 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2528 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2530 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2533 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2536 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2537 PRE_{INC,DEC} of TFmode.
2539 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2540 Alan Modra <amodra@bigpond.net.au>
2543 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2546 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2549 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2550 Remove duplicate gtu.
2552 2006-07-05 Jason Merrill <jason@redhat.com>
2556 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2557 * c-common.c (handle_packed_attribute): So don't copy it here.
2558 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2560 2006-07-05 Mike Stump <mrs@apple.com>
2562 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2564 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2567 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2569 2006-07-05 Richard Guenther <rguenther@suse.de>
2572 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2573 TARGET_SSE2 targets if using SSE math.
2574 (*absdf2_1): Likewise.
2576 2006-07-05 Richard Guenther <rguenther@suse.de>
2578 PR tree-optimization/28162
2579 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2580 make sure to convert the operands to the correct type.
2582 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2584 PR tree-optimization/28218
2586 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2587 to calculate and free the dominator information.
2589 2006-07-04 Peter O'Gorman <peter@pogma.com>
2591 * mklibgcc.in: chmod 644 before ranlib during install.
2593 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2594 J"orn Rennecke <joern.rennecke@st.com>
2596 * configure.ac (.eh_frame data check): Use diff -b.
2598 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2601 * Makefile.in (BUILD_RTL): Add build/vec.o.
2602 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2603 (build/genextract): Delete.
2604 (build/genautomata): Likewise.
2606 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2609 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2610 128-bit IBM long doubles for ABI_V4.
2612 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2614 * tree.c (range_in_array_bounds_p): New predicate.
2615 * tree.h (range_in_array_bounds_p): Declare it.
2616 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2617 return a less conservative answer.
2618 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2619 and flag 'is_group'.
2620 (IS_ELEMENT_FOR_GROUP): New macro.
2621 (FOR_EACH_ACTUAL_CHILD): Likewise.
2622 (next_child_for_group): New helper function.
2623 (can_completely_scalarize_p): Take into account groups.
2624 (sra_hash_tree): Handle RANGE_EXPR.
2625 (sra_elt_eq): Likewise.
2626 (lookup_element): Be prepared for handling groups.
2627 (is_valid_const_index): Delete.
2628 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2629 instead of is_valid_const_index.
2630 <ARRAY_RANGE_REF>: New case.
2631 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2632 is_valid_const_index.
2633 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2634 (scan_dump): Dump info for groups too.
2635 (decide_instantiation_1): Likewise.
2636 (decide_block_copy): Assert that the element is not a group.
2637 Propagate decision to groups.
2638 (generate_one_element_ref): Handle RANGE_EXPR.
2639 (mark_no_warning): Iterate over actual childs.
2640 (generate_copy_inout): Likewise.
2641 (generate_element_copy): Likewise.
2642 (generate_element_zero): Likewise.
2643 (generate_element_init_1): Likewise.
2644 (dump_sra_elt_name): Handle RANGE_EXPR.
2646 2006-07-03 Roger Sayle <roger@eyesopen.com>
2648 PR tree-optimization/26251
2649 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2650 (thread_block): When optimizing for size refuse to thread jumps
2651 that would require duplication of blocks other than redirection
2654 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2656 * configure.ac: Fix thinko in previous check-in.
2657 * configure: Regenerate.
2659 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2662 * configure.ac (for lang...): Simplify nesting of conditionals.
2663 Test subdir_requires for non-enabled languages. Move processing
2664 of lang_opt_files and lang_tree_fiels below that test.
2665 * configure: Regenerate.
2666 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2668 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2670 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2672 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2674 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2677 2006-06-29 Jason Merrill <jason@redhat.com>
2684 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2685 * c-common.c (c_determine_visibility): Handle it here.
2686 * c-decl.c (finish_decl): Call c_determine_visibility for
2688 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2690 * varasm.c (default_assemble_visibility): Likewise.
2691 * c-common.c (handle_visibility_attribute): Complain about trying
2692 to give visibility to an already defined class, or trying to change
2693 declared visibility. Always attach the attribute.
2698 * attribs.c (decl_attributes): Ignore type-in-place attributes
2699 once the type has been defined.
2701 2006-06-29 Roger Sayle <roger@eyesopen.com>
2704 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2705 to indicate the cpplib has issued an error message for us.
2707 2006-06-29 Asher Langton <langton2@llnl.gov>
2710 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2711 insert a label at the end of an function under Mach-O.
2713 2006-06-29 Eric Christopher <echristo@apple.com>
2714 Evan Cheng <evan.cheng@apple.com>
2716 * predicates.md (vector_all_ones_operand): New.
2717 (nonimmediate_or_sse_const_operand): Ditto.
2718 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2719 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2720 (standard_sse_mode_p): Ditto.
2721 (standard_sse_constant_p): Add case for -1 vector.
2722 (ix86_expand_vector_move): Try to use.
2723 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2724 Call standard_sse_constant_opcode.
2725 (*movv4sf_internal): Ditto.
2726 (*movv2df_internal): Ditto.
2728 2006-06-29 Roger Sayle <roger@eyesopen.com>
2730 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2731 of XEXP to extract the operands of a MATCH_CODE rtx.
2733 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2735 * tree.c (tree_size): Do not waste tail padding in
2736 struct tree_string and make the size be the same as
2737 build_string will generate.
2739 2006-06-28 Jason Merrill <jason@redhat.com>
2742 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2743 may_aliases already in the tag's annotations to the bitmap.
2745 2006-06-28 Roger Sayle <roger@eyesopen.com>
2747 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2749 2006-06-28 Roger Sayle <roger@eyesopen.com>
2751 * genpreds.c (generate_switch_p): New function.
2752 (add_mode_tests): Push the new mode test down inside an AND expr
2753 if this allows the switch-suitable MATCH_CODE to be near the root.
2754 (write_match_code_switch): New function to write a MATCH_CODE as
2756 (write_predicate_stmts): New function to write a predicate RTX
2757 expression as a sequence of statements.
2758 (write_one_predicate_function): Use write_predicate_stmts.
2759 (write_tm_constrs_h): Likewise.
2761 2006-06-26 Fred Fish <fnf@specifix.com>
2763 * config/mips/t-sb1: New file.
2764 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2767 2006-06-26 DJ Delorie <dj@redhat.com>
2769 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2771 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2772 Jayant Sonar <jayants@kpitcummins.com>
2773 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2775 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2776 (subsi3, subsi3_1, subsi3_2): New.
2777 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2778 * config/m32c/mov.md (SI mov peephole): New.
2779 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2780 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2782 2006-06-26 Olivier Hainque <hainque@adacore.com>
2784 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2785 a CALL_EXPR target function declaration.
2787 2006-06-26 Richard Guenther <rguenther@suse.de>
2789 * tree.c (build_string): Do not waste tail padding in
2792 2006-06-26 Richard Guenther <rguenther@suse.de>
2794 * ggc-page.c (init_ggc): Add missing element to size_lookup
2798 2006-06-23 Richard Guenther <rguenther@suse.de>
2800 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2801 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2802 alignment requests instead. Add verification code.
2803 Add struct tree_function_decl and struct tree_binfo size to
2804 extra_order_size_table. Add missing element to size_lookup
2807 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2810 * fold-const.c (const_binop): Be prepared for self returning zero.
2811 Simplify code handling complex values.
2813 2006-06-24 Olivier Hainque <hainque@adacore.com>
2815 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2816 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2819 2006-06-24 Olivier Hainque <hainque@adacore.com>
2821 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2822 ARRAY_REF, so have the callback called for the low bound expression.
2824 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2826 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2827 * c-typeck.c (c_common_type): Disallow operations on decimal float
2828 types and other float types.
2829 * convert.c (convert_to_real): Don't ignore conversions involving
2830 decimal float types.
2832 2006-06-23 Olivier Hainque <hainque@adacore.com>
2834 * tree.c (max_int_size_in_bytes): New function, inspired from
2835 code in function.c:assign_temp.
2836 * tree.h (max_int_size_in_bytes): Declare.
2837 * function.c (assign_temp): Use it.
2838 * gimplify.c (create_tmp_var): Relax the assertions on the type
2839 properties, not mandating constant size any more.
2840 (force_constant_size): New static function.
2841 (gimple_add_tmp_var): Use it, forcing variable size to a
2842 constant upper bound if it is not constant on entry.
2844 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2847 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2848 for initialization and setting of one_only flag to ...
2849 (i386_pe_encode_section_info): ...here.
2850 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2851 Recheck that the symbol has not been defined.
2853 2006-06-23 Richard Guenther <rguenther@suse.de>
2855 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2856 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2857 alignment requests instead. Add verification code.
2858 Add struct tree_function_decl and struct tree_binfo size to
2859 extra_order_size_table. Add missing element to size_lookup
2862 2006-06-22 Roger Sayle <roger@eyesopen.com>
2863 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2866 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2867 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2869 2006-06-23 Ben Elliston <bje@au.ibm.com>
2871 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2872 negate dn -- manipulate it directly.
2874 2006-06-22 Roger Sayle <roger@eyesopen.com>
2875 Steven Bosscher <stevenb.gcc@gmail.com>
2878 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2879 generated by gen_move_insn to add REG_LABEL notes if necessary.
2881 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2883 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2884 (leaf_entry): Remove use of MIN_ESA.
2886 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2888 PR rtl-optimization/28121
2889 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2892 2006-06-21 DJ Delorie <dj@redhat.com>
2894 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2896 (mulhisi3_r): Likewise.
2898 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2901 * coverage.c (coverage_counter_alloc): Leave the index type
2903 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2906 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2908 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2909 section from the "Options for Code Generation Conventions".
2911 2006-06-21 Richard Henderson <rth@redhat.com>
2915 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2917 (global_symbolic_operand): Allow weak symbols, even if local_p.
2919 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2921 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2922 (find_interesting_uses_address): Punt if above function returns true.
2924 2006-06-21 Richard Guenther <rguenther@suse.de>
2926 * configure: Regenerated.
2928 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2930 * config/mips/mips.c (function_arg): Where one part of a
2931 complex argument is in registers and the other part in the stack,
2932 return a REG not a PARALLEL.
2934 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2936 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2937 when cross-compiling. Do not substitute libstdcxx_incdir.
2938 * configure: Regenerated.
2940 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2942 * varasm.c (mergeable_string_section): Check for embedded NULs and
2943 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2944 rather than TREE_STRING_LENGTH bytes.
2946 2006-06-21 Richard Guenther <rguenther@suse.de>
2948 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2949 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2952 2006-06-21 Richrad Guenther <rguenther@suse.de>
2954 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2955 Limit iteration over the dominators.
2957 2006-06-20 Roger Sayle <roger@eyesopen.com>
2959 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2960 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2962 2006-06-20 Richard Guenther <rguenther@suse.de>
2963 Michael Matz <matz@suse.de>
2965 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2967 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2968 * et-forest.h (et_free_pools): Prototype new function.
2969 * et-forest.c (et_free_tree_force): Free parent occurrence.
2970 (et_free_pools): New function.
2971 * dominance.c (free_dominance_info): Free et-forest alloc
2974 2006-06-20 Roger Sayle <roger@eyesopen.com>
2976 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2977 integer modes, attempt to directly construct an integer constant.
2979 * fold-const.c (native_encode_vector): Determine the size of each
2980 element from the vector type instead of the first vector element.
2982 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2983 if all of its elements/components are constant.
2984 (build_constructor_from_list): Likewise.
2986 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2988 PR tree-optimization/27331
2989 * tree-data-ref.c (free_data_ref): New function.
2990 (create_data_ref): Fail if the data reference has unknown access
2992 (free_data_refs): Use free_data_ref.
2994 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2997 * tree-inline.c (setup_one_parameter): Strip useless
2998 type conversion before adding it to the IR.
2999 (declare_return_variable): Likewise.
3001 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3004 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3006 2006-06-19 Mike Stump <mrs@apple.com>
3008 * tree.c (variably_modified_type_p): VM arguments don't make the
3011 2006-06-19 Richard Guenther <rguenther@suse.de>
3013 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3014 type conversions after folding.
3016 2006-06-19 Richard Guenther <rguenther@suse.de>
3018 * ggc-page.c (extra_order_size_tab): Add entries with
3019 size of struct function and basic_block.
3020 (size_lookup): Extend to cover sizes up to 511.
3021 (ggc_alloc_stat): Adjust user.
3022 (ggc_pch_count_object): Likewise.
3023 (ggc_pch_alloc_object): Likewise.
3024 (ggc_pch_write_object): Likewise.
3026 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3028 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3029 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3032 2006-06-19 Denis Chertykov <denisc@overta.ru>
3034 * config/avr/libgcc.S : Correct my wrong previous commit.
3036 2006-06-19 Roger Sayle <roger@eyesopen.com>
3039 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3040 have stripped a SUBREG from the shift count, so we may need to
3041 convert_to_mode back to the type's mode before calling make_tree.
3042 Use new_amount instead of amount to avoid expanding a tree twice.
3044 2006-06-19 Richard Guenther <rguenther@suse.de>
3047 * fold-const.c (operand_equal_p): Check if the argument types
3048 have the same precision before stripping NOPs.
3050 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3052 Fix PR tree-optimization/27341
3053 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3055 * tree-complex.c (pass_lower_complex): Update SMT usage.
3057 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3059 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3060 Add a new alternative to the constraint strings. Add move of
3061 operand 1 to 3 to the splitter definition.
3062 ("doloop_si_long"): Second contraint alternative removed.
3064 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3066 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3067 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3069 (AVR_HAVE_MOVW) Define.
3070 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3071 (ASM_SPEC): Add avr25.
3072 (LINK_SPEC): Add avr25.
3073 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3074 (base_arch_s): Add new member 'have_movw_lpmx'.
3075 (avr_arch_types): Init 'have_movw_lpmx'.
3076 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3077 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3078 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3079 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3080 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3082 (avr_file_start): Do not output '.arh' derective.
3083 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3084 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3085 * config/avr/avr.md (mcu_enhanced): Delete.
3086 (mcu_have_movw): Define.
3087 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3088 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3089 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3090 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3091 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3092 attiny861 and at86rf401 devices.
3094 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3096 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3099 2006-06-17 Karl Berry <karl@gnu.org>
3101 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3102 doc/gccint.texi, doc/install.texi (@dircategory): Use
3103 "Software development" instead of "Programming", following
3104 the Free Software Directory.
3106 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3108 * config/i386/i386.c (legitimate_tls_address)
3109 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3110 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3111 (*tls_dynamic_gnu2_combine_64): Likewise.
3113 2006-06-16 Richard Guenther <rguenther@suse.de>
3116 * fold-const.c (negate_expr_p): Do not introduce undefined
3117 overflow in negating INTEGER_CSTs.
3118 (fold_negate_expr): Rename from negate_expr. Revert last
3119 change for folding BIT_NOT_EXPR. Change semantics to
3120 return NULL_TREE for non-simplified negations. Do not
3121 strip type conversions and unify type handling.
3122 (negate_expr): New function, wrap around fold_negate_expr
3123 but ensure building a tree always. Strip type conversions
3124 here, fold to result type.
3125 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3127 2006-06-16 Roger Sayle <roger@eyesopen.com>
3130 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3131 that (would) return their results in stack registers.
3133 2006-06-16 Michael Matz <matz@suse.de>
3134 Richard Guenther <rguenther@suse.de>
3136 * fold-const.c (fold_truthop): Only return new tree node if
3137 we canonicalized something.
3139 2006-06-16 Richard Guenther <rguenther@suse.de>
3141 * function.h (enum function_frequency): Move declaration
3142 out of struct function.
3143 (struct function): Move bool fields and the enum to the bitfield
3144 section. Reorder elements to avoid padding. Remove unused
3145 fields left over from the RTL inliner removal.
3146 * function.c (free_after_compilation): Do not zero removed fields.
3147 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3148 (ipa-type-escape.o): Likewise.
3150 2006-06-16 Richard Guenther <rguenther@suse.de>
3152 * cgraph.h (struct cgraph_local_info): Turn bool elements
3154 (struct cgraph_node): Likewise.
3155 (struct cgraph_varpool_node): Likewise.
3157 2006-06-15 Richard Guenther <rguenther@suse.de>
3159 * fold-const.c (fold_truth_not_expr): Rename from
3160 invert_truthvalue. Give it fold_* semantics to avoid
3162 (invert_truthvalue): New function. Wrapper around
3163 fold_truth_not_expr.
3164 (optimize_minmax_comparison): Avoid creating garbage.
3165 (fold_unary): Use fold_truth_not_expr for folding
3167 (fold_ternary): Replace uses of invert_truthvalue with
3168 fold_truth_not_expr where applicable.
3169 * tree.h (fold_truth_not_expr): Prototype.
3171 2006-06-16 Richard Guenther <rguenther@suse.de>
3173 PR tree-optimization/27781
3174 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3175 * ipa-pure-const.c (target.h): Include.
3176 (analyze_function): Do not analyze functions that do not
3179 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3182 * tree-dfa.c (referenced_vars_dup_list): Remove.
3183 (find_referenced_vars): Remove assert.
3184 (referenced_var_check_and_insert): Replace dup list with assert.
3185 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3186 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3188 2006-06-15 Richard Guenther <rguenther@suse.de>
3190 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3191 extra unused identifiers if not dumping.
3192 (create_variable_info_for): Likewise.
3194 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3196 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3197 (derive_constant_upper_bound): Derive more precise upper bound in
3198 common cases. Return type changed to double_int.
3199 (record_estimate): Reflect the changed return type of
3200 derive_constant_upper_bound.
3201 * double-int.c (double_int_zext, double_int_sext): Fix.
3203 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3205 * configure.ac (CFLAGS): Get them from the toplevel or from the
3206 configure invocation.
3207 * configure: Regenerate.
3208 * Makefile.in (CFLAGS): Substitute value provided by configure.
3210 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3213 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3214 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3215 rather than calling add_stmt on it.
3216 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3218 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3221 * reload1.c (reload): Remove registers returned by update_eliminables
3222 from used_spill_regs.
3224 2006-06-13 DJ Delorie <dj@redhat.com>
3226 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3228 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3230 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3231 html__strip_dir, html__mkdir_p. Enhance install-html target.
3232 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3233 * configure: Regenerate.
3235 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3237 * fold-const.c (fold_cond_expr_with_comparison): Check for
3238 Objective-C++ as language in deciding COND_EXPR transformation.
3240 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3243 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3244 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3245 * config/sh/lib1funcs.h (SL, SL1): Define.
3246 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3247 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3248 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3249 (OBJS_Os_4_200): New variable.
3250 ($(T)libgcc-Os-4-200.a): Use it.
3251 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3252 when dividing 1 and/or by 0.
3254 2006-06-13 Roger Sayle <roger@eyesopen.com>
3256 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3257 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3258 * configure: Regenerate.
3260 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3262 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3263 for real instruction.
3265 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3268 * haifa-sched.c (check_cfg): Handle special case.
3270 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3273 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3274 Add debug_info parameter. Chain the vars to the BLOCK instead
3275 of the BIND_EXPR if debug info are requested for them.
3276 (pop_gimplify_context): Adjust for above change.
3277 (gimple_add_tmp_var): Likewise.
3278 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3280 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3281 (convert_local_reference): Likewise.
3282 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3283 (finalize_nesting_tree_1): Request that debug info be emitted
3284 for debug_var_chain.
3286 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3288 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3289 for PR target/27863.
3291 2006-06-13 Richard Guenther <rguenther@suse.de>
3294 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3296 2006-06-13 Richard Guenther <rguenther@suse.de>
3298 PR tree-optimization/27830
3299 * tree-inline.c (copy_body_r): For copying the operand
3300 of an ADDR_EXPR make sure to fold &* afterwards.
3302 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3304 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3305 lvalues in the fb_none case with side-effects.
3307 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3309 * tree-flow.h: Remove the prototype for
3310 compute_phi_arg_on_exit.
3311 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3312 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3315 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3317 * builtins.c (expand_builtin_return_addr): Only use
3318 frame_pointer_rtx when count == 0 and we are expanding
3319 __builtin_return_address.
3321 2006-06-12 Fred Fish <fnf@specifix.com>
3323 * config/mips/mips.c (mips_file_start): Create special section
3324 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3326 2006-06-11 Eric Christopher <echristo@apple.com>
3329 * stor-layout.c (place_field): Remove check for
3330 remaining_in_alignment when aligning at the end of a run.
3332 2006-06-11 Eric Christopher <echristo@apple.com>
3335 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3338 2006-06-11 Roger Sayle <roger@eyesopen.com>
3341 Revert incorrect fix for PR target/27158
3342 2006-05-08 Roger Sayle <roger@eyesopen.com>
3343 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3344 of a reg_equiv_constant if the result is a legitimate constant.
3346 2006-06-11 Roger Sayle <roger@eyesopen.com>
3349 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3350 extract a CONST_VECTOR element and interpret it as an integer.
3351 (vspltis_constant): Use const_vector_elt_as_int instead of the
3352 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3353 * config/rs6000/predicates.md (easy_vector_const): Consider
3354 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3356 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3359 * stor-layout.c (update_alignment_for_field): Don't add extra
3360 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3363 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3365 * config/mips/t-rtems: Add EL/EB multilib variants.
3367 2006-06-09 Mike Stump <mrs@apple.com>
3369 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3371 2006-06-09 David Daney <ddaney@avtrex.com>
3373 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3375 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3377 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3379 2006-06-09 Richard Guenther <rguenther@suse.de>
3381 PR tree-optimization/26998
3382 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3383 of signed types, only TYPE_MIN_VALUE is special, but for both,
3384 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3385 in this case, as is -fwrapv.
3387 2006-06-08 Mike Stump <mrs@apple.com>
3390 * config/darwin.c (darwin_asm_output_anchor): Disable
3391 -fsection-anchors on darwin for now.
3392 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3393 * rs6000/rs6000.c (optimization_options): Likewise.
3395 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3398 * config/i386/i386.c (classify_argument): Skip fields with invalid
3401 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3403 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3404 (cse_insn): Likewise for the stack_pointer_rtx.
3406 2006-06-08 Roger Sayle <roger@eyesopen.com>
3408 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3409 conditions from floating point comparisons.
3411 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3414 * expmed.c (struct alg_hash_entry): Fix type of field T
3415 to match synth_mult argument.
3416 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3418 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3421 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3424 2006-06-08 Richard Guenther <rguenther@suse.de>
3427 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3428 only, if overflow is defined and not trapping.
3429 (negate_expr): Likewise.
3431 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3433 PR tree-optimization/27872
3434 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3435 flag on the new exit edge of the unrolled loop.
3437 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3439 PR rtl-optimization/26449
3440 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3442 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3445 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3446 referenced_variables with matching DECL_UID's.
3447 (find_referenced_vars): Make sure duplicate list is empty to start.
3448 (referenced_var_p): Remove.
3449 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3450 Check if var is in the list, and add if needed. Update the duplicate
3451 list if a different var is in the list with the same DECL_UID.
3452 (add_referenced_var): Call routine to check and insert.
3453 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3454 * tree-flow.h (referenced_vars_dup_list): External declaration.
3456 2006-06-07 Fred Fish <fnf@specifix.com>
3458 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3461 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3464 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3465 the imaginary and real parts of a clobbered register.
3466 Emit insn to set the imaginary part.
3468 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3470 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3471 in lieu of unwind-dw2-fde.c.
3473 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3475 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3477 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3480 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3481 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3482 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3483 V4SImode temporaries and operations instead.
3485 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3487 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3490 2006-06-06 Mike Stump <mrs@apple.com>
3492 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3493 installing during build.
3495 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3497 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3499 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3500 * config/ia64/ia64.c (params.h): New header.
3501 (ia64_optimization_options): New function to adjust parameters.
3502 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3503 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3504 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3506 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3508 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3510 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3513 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3515 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3516 Victor Kaplansky <victork@il.ibm.com>
3518 PR tree-optimization/26360
3519 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3522 2006-06-04 Roger Sayle <roger@eyesopen.com>
3523 Andrew Pinski <pinskia@physics.uc.edu>
3526 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3527 for LABEL_DECL before calling DECL_WEAK.
3530 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3531 LABEL_DECL and PARM_DECL.
3533 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3537 * c-decl.c (grokdeclarator): Disallow variably modified types at
3538 file scope. Avoid marking shared array type of constant size as
3541 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3544 * c-common.c (fold_offsetof_1): Handle static members.
3546 2006-06-04 Eric Christopher <echristo@apple.com>
3548 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3549 (debug_rli): Output value for remaining_in_alignment.
3550 (update_alignment_for_field): Unconditionalize
3551 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3552 extra alignment code.
3553 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3554 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3555 * tree.h (record_layout_info_s): Remove prev_packed.
3556 * doc/extend.texi (ms_struct): Add documentation of format.
3558 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3560 * tree.h: Declare folding_initializer.
3561 * builtins.c (fold_builtin_constant_p): Give definite answer
3562 if folding inside an initializer.
3563 * fold-const.c: Define folding_initializer.
3564 (START_FOLD_INIT): Save and then set folding_initializer.
3565 (END_FOLD_INIT): Restore folding_initializer.
3567 2006-06-04 Richard Guenther <rguenther@suse.de>
3569 PR tree-optimization/27039
3570 * fold-const.c (fold_comparison): Handle pointer comparison
3571 again for all comparison codes. Compare offsets in signed
3573 (fold_binary): Move code from here.
3575 2006-06-03 Roger Sayle <roger@eyesopen.com>
3578 * config/i386/i386.c (construct_container): Split static issued_error
3579 flag into issued_sse_arg_error, issued_sse_ret_error and
3580 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3581 requires the use of x87 registers and the user explicitly
3582 specified the -mno-80387 command line option.
3584 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3586 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3587 HAVE_DECL_SIGALTSTACK.
3589 (segv_handler): Use MC_FLD.
3590 * configure.ac: Check for a sigaltstack declaration.
3591 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3592 * configure: Regenerate.
3593 * config.in: Regenerate.
3595 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3598 * Makefile.in (stmp-fixinc): Fix typo.
3600 2006-06-02 Roger Sayle <roger@eyesopen.com>
3602 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3603 are type correct. Clean-up.
3604 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3605 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3607 2006-06-01 DJ Delorie <dj@redhat.com>
3609 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3610 shift, as we've disabled the "switch" insn that needs it.
3612 2006-06-01 Per Bothner <bothner@bothner.com>
3614 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3615 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3616 * c-ppoutput.c (cb_define): Don't increment line 0.
3618 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3620 * doc/invoke.texi: Add cpu_type power6.
3621 * config.gcc: Add cpu_type power6.
3622 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3623 to power5+ with Altivec.
3624 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3625 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3627 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3629 * config/avr/avr.h (SET_ASM_OP): Define.
3631 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3633 * config/bfin/bfin.c: Fix comment typos.
3635 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3638 * doc/install.texi: Document --enable-bootstrap and
3639 --disable-bootstrap.
3641 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3643 * doc/install.texi: Document that InfoZIP can replace jar.
3645 2006-05-31 Roger Sayle <roger@eyesopen.com>
3647 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3648 isn't available, directly generate the simpler x87 patterns without
3649 the (use (const_int 0)).
3650 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3651 implementation isn't available.
3652 (*negdf2_1): Likewise.
3653 (*negxf2_1): XF mode negation is always done using the x87.
3654 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3656 2006-05-31 Roger Sayle <roger@eyesopen.com>
3658 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3659 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3661 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3663 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3665 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3666 * config/bfin/bfin.c (basic-block.h): Include.
3667 (struct machine_function): New.
3668 (bfin_init_machine_status): New.
3669 (override_options): Initialize init_machine_status.
3670 (bfin_hardware_loop): New.
3671 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3672 (DEF_VEC_P (loop_info)): New.
3673 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3674 (struct loop_info): New.
3675 (loop_info): New typedef.
3676 (struct loop_work): New.
3677 (loop_work): New typedef.
3678 (DEF_VEC_O (loop_work)): New.
3679 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3680 (bfin_dump_loops): New.
3681 (bfin_bb_in_loop): New.
3682 (bfin_scan_loop): New.
3683 (bfin_optimize_loop): New.
3684 (bfin_reorg_loops): New.
3685 (bfin_reorg): Use bfin_reorg_loops.
3686 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3688 (I_REGNO_P): Simplify.
3689 (DP_REGNO_P, DPREG_P): New macros.
3690 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3691 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3692 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3693 Add LT_REGS, LC_REGS, LB_REGS.
3694 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3696 (REGNO_REG_CLASS): Deal with loop registers.
3697 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3699 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3700 New constants for loop registers.
3701 (UNSPEC_LSETUP_END): New.
3702 (seq_insns): New define_attr. Set it for appropriate insns.
3703 (movsi_insn): Add alternatives for move from/to
3704 loop count registers.
3705 (doloop_end): New define_expand.
3706 (loop_end): New define_insn.
3707 (define_split for bad doloop_end): New.
3708 (lsetup_with_autoinit): New define_insn.
3709 (lsetup_without_autoinit): New define_insn.
3710 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3711 * config/bfin/predicates.md (lc_register_operand): New.
3712 (lt_register_operand): New.
3713 (lb_register_operand): New.
3714 (nondp_register_operand): New.
3715 (nondp_reg_or_memory_operand): New.
3716 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3718 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3720 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3721 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3723 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3725 * Makefile.in (CATALOGS): Add po/ prefix.
3726 * configure: Regenerated.
3728 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3731 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3732 a shift operand before calling shift_op. Avoid redundant call of
3735 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3736 DJ Delorie <dj@redhat.com>
3738 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3739 we're inserting is a singlt-bit constant.
3741 2006-05-30 Roger Sayle <roger@eyesopen.com>
3743 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3744 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3746 2006-05-30 Roger Sayle <roger@eyesopen.com>
3748 PR tree-optimization/23452
3749 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3750 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3751 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3752 complex values and with -ffast-math for FP complex values.
3754 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3756 * c-common.h: Remove the prototype for yyparse.
3757 * rtl.h: Remove the prototype for init_loop.
3759 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3761 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3764 2006-05-30 Roger Sayle <roger@eyesopen.com>
3766 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3768 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3769 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3771 2006-05-30 Dirk Mueller <dmueller@suse.de>
3774 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3775 for CONSTANT_CLASS_P expresisons.
3777 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3780 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3782 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3784 PR tree-optimization/27779
3785 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3786 initial_condition instead of CHREC_LEFT.
3788 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3790 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3791 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3792 Make prototypes ISO C90.
3794 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3795 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3797 * see.c (see_analyze_one_def): Correct check.
3798 (see_get_extension_data): Check if extension is parallel.
3799 (see_get_extension_reg): Likewise.
3801 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3804 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3805 into register for (code == GTU).
3807 2006-05-29 Roger Sayle <roger@eyesopen.com>
3809 PR tree-optimization/24964
3810 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3811 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3812 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3813 abs(x)*abs(x) as x*x for scalar floating point modes.
3815 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3818 * lambda-code.c (perfect_nestify): Don't copy statements
3819 in the inner loop: move them to the inner loop header.
3821 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3824 * c-tree.texi: Document OpenMP directives and clauses.
3826 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3828 * varasm.c (globalize_decl): Fix indentation.
3830 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3833 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3834 pass_fre, pass_store_ccp, pass_copy_prop,
3835 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3836 pass_return_slot, pass_object_size, pass_lim,
3837 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3838 pass_loop_prefetch and pass_stdarg.
3840 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3842 * config/bfin/bfin.opt (mfdpic): New option.
3843 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3844 (EXTRA_MULTILIB_PARTS): Likewise.
3845 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3846 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3848 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3849 (CRT_CALL_STATIC_FUNCTION): New.
3850 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3852 (CRT_CALL_STATIC_FUNCTION): New.
3853 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3855 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3856 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3857 (initialize_trampoline): Changed to handle FD-PIC code generation.
3858 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3859 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3860 (override_options): Disallow -mid-shared-library -mfdpic combination.
3861 Can't do unaligned ops if FD-PIC.
3862 Turn off flag_pic if trying to generate non-id-shared-library
3863 non-fdpic code, since it's not supported.
3864 (bfin_assemble_integer): New function.
3865 (TARGET_ASM_INTEGER): Define.
3866 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3868 * config/bfin/crtn.s: Restore them.
3869 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3871 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3872 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3873 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3874 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3875 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3877 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3878 FDPIC_REGS and FDPIC_FPTR_REGS.
3879 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3880 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3881 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3882 (load_funcdescsi): New pattern.
3883 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3884 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3885 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3887 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3889 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3892 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3894 * tree-flow.h: Remove the prototype for add_type_alias.
3895 * tree-ssa-alias.c (add_type_alias): Remove.
3897 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3899 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3900 config/fr30/fr30.md, config/i386/i386-interix.h,
3901 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3902 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3903 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3904 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3905 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3906 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3907 Follow spelling conventions.
3908 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3909 Follow spelling conventions.
3911 2006-05-27 Richard Guenther <rguenther@suse.de>
3914 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3915 to produce a constant of value 1 of generic type.
3917 2006-05-27 Dirk Mueller <dmueller@suse.de>
3919 * cgraphunit.c (decide_is_function_needed): Fix wrong
3922 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3924 PR rtl-optimization/27661
3925 * reload.c (find_reloads): When reloading a VOIDmode constant
3926 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3927 use Pmode as mode of the reload register.
3929 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3931 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3932 is enabled at -O and above.
3934 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3937 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3940 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3943 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3944 for anonymous variables explicitly declared by front ends.
3946 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3948 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3949 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3950 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3951 ref-all pointers, run a finalization pass for them.
3952 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3953 (finalize_ref_all_pointers): New function.
3954 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3955 regular pointer type to a ref-all pointer type.
3956 (get_tmt_for): Return the special memory tag for ref-all pointers.
3958 2006-05-25 Richard Guenther <rguenther@suse.de>
3961 * fold-const.c (fold_binary): Do not look at the stripped
3962 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3964 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3966 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3967 for LT and GT if the computed range is effectively empty.
3969 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3972 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3973 mips_quad_format formats instead of ieee_single_format,
3974 ieee_double_format and ieee_quad_format formats, respectively.
3976 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3978 PR tree-optimization/27639
3979 PR tree-optimization/26719
3980 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3981 call to scev_probably_wraps_p.
3982 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3983 used_in_pointer_arithmetic_p, convert_step): Removed.
3984 (nowrap_type_p): New function.
3985 (scev_probably_wraps_p): Rewritten.
3986 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3987 chrec_convert if chrec_convert_aggressive might have been used.
3988 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3989 scev_direction): New functions.
3990 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3991 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3992 instead of convert_step.
3993 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3994 (convert_step): Declaration removed.
3995 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3997 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3999 * df-core.c: Added to header comments.
4000 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4001 df_ur_bb_info, df_urec_bb_info): Added comments.
4002 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4003 urec, ri problems): Fixed header comments.
4004 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4005 code from df_rd_transfer_function.
4007 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4009 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4010 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4011 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4013 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4015 * expr.c (undefined_operand_subword_p): New.
4016 (emit_move_multi_word): Do not generate move from undefined bits
4017 of a paradoxical subreg.
4019 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4021 PR rtl-optimization/27736
4022 * combine.c (replaced_rhs_value): New variable.
4023 (combine_instructions): Set it.
4024 (distribute_notes): When distributing a note in replaced_rhs_insn,
4025 check whether the value was used in replaced_rhs_value.
4027 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4030 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4031 add_referenced_var instead of add_referenced_tmp_var.
4032 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4033 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4035 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4036 tree_optimize_tail_calls_1): Use add_referenced_var.
4037 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4038 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4039 Use add_referenced_var.
4040 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4041 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4042 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4043 Use add_referenced_var.
4044 * tree-dfa.c (struct walk_state): Remove.
4045 (find_referenced_vars): Remove walk state and vars_found hash table.
4046 (make_rename_temp): Use add_referenced_var.
4047 (find_vars_r): Pass less parameters to add_referenced_var.
4048 (referenced_var_p): New. Is var in referenced_var hash table.
4049 (referenced_var_insert): Assert var isn't already in hash table.
4050 (add_referenced_var): Don't need walk_state parameter. Add var if it
4051 isn't already in the hash table.
4052 (add_referenced_tmp_var): Remove.
4053 (find_new_referenced_vars_1): Use add_referenced_var.
4054 * tree-ssa-pre.c (create_expression_by_pieces,
4055 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4056 Use add_referenced_var.
4057 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4058 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4059 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4061 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4062 vect_create_data_ref_ptr, vect_create_destination_var,
4063 vect_init_vector, vect_build_loop_niters,
4064 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4065 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4066 Use add_referenced_var.
4067 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4068 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4069 (add_referenced_var): Add prototype.
4070 * tree-ssa-structalias.c (get_constraint_for,
4071 intra_create_variable_infos): Use add_referenced_var.
4073 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4075 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4076 big-endian paradoxical subregs.
4077 * var-tracking.c (struct micro_operation_def): Document that,
4078 for modify micro operations, insn is the subsequent instruction.
4079 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4080 (var_reg_set, var_mem_set): ... new functions.
4081 (add_stores): Record subsequent insn.
4082 (compute_bb_dataflow): Use new functions for MO_USE.
4083 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4084 notes after the insn, and modify notes before the insn known
4085 to be the subsequent one.
4086 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4088 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4091 * config/i386/i386.c (ix86_expand_builtin): Use
4092 gen_sse3_monitor64 for TARGET_64BIT.
4094 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4096 PR rtl-optimization/26375
4097 PR rtl-optimization/26855
4098 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4100 (df_ru_bb_local_compute): Reversed statements and removed bogus
4101 comment explaining why they should be in wrong order.
4102 (df_ru_dump, df_rd_dump): Enhanced debug info.
4103 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4105 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4106 reaching uses and fixed space problem.
4108 2006-05-23 Jan Hubicka <jh@suse.cz>
4110 * cgraphunit.c (decide_is_function_needed): Also nested functions
4111 and functions declared inline can be optimized out at -O0.
4113 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4115 * doc/install.texi (Configuration): Remove reference to CrossGCC
4119 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4122 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4123 ix86_compare_emitted is non-NULL.
4125 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4128 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4131 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4133 PR rtl-optimization/25514
4134 * combine.c (replaced_rhs_insn): New variable.
4135 (combine_instructions): Set replaced_rhs_insn when trying to replace
4136 a SET_SRC with a REG_EQUAL note.
4137 (distribute_notes): Use replaced_rhs_insn when determining the live
4138 range of a REG_DEAD register.
4140 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4141 Anatoly Sokolov <aesok@post.ru>
4143 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4144 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4145 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4146 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4147 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4148 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4149 at90usb647, at90usb1286 and at90usb1287 devices.
4150 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4151 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4153 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4155 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4157 2006-05-22 Richard Guenther <rguenther@suse.de>
4160 2006-01-31 Richard Guenther <rguenther@suse.de>
4161 Paolo Bonzini <bonzini@gnu.org>
4163 * doc/install.texi (--disable-libgcc-math): Document.
4165 2006-05-22 Richard Guenther <rguenther@suse.de>
4168 2006-01-31 Richard Guenther <rguenther@suse.de>
4170 * doc/invoke.texi (-msselibm): Document.
4171 * target.h (expand_library_builtin): New target hook.
4172 * builtins.c (expand_builtin): Use expand_library_builtin.
4173 (default_expand_library_builtin): New function.
4174 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4175 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4176 (link_gcc_math_spec): Declare.
4177 (static_specs): Add link_gcc_math_spec.
4178 * expr.h (default_expand_library_builtin): Declare.
4179 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4180 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4181 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4182 * config/i386/i386.opt (msselibm): New target option.
4183 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4184 (ix86_init_sse_abi_builtins): New function.
4185 (ix86_expand_library_builtin): Likewise.
4186 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4187 (override_options): Handle error conditions wrt -msselibm.
4188 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4189 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4190 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4193 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4196 * c-common.c (self_promoting_args_p): Skip erroneous args.
4199 * c-decl.c (finish_struct): Skip erroneous fields.
4201 2006-05-22 Nick Clifton <nickc@redhat.com>
4203 * config/cris/cris.opt (march): Remove VarExists attribute.
4204 (max-stackframe=): Likewise.
4206 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4208 * doc/rtl.texi: Fix a typo.
4209 * see.c: Fix comment typos.
4211 * tree-ssa-structalias.h (alias_info): Remove num_references.
4213 2006-05-21 Mike Stump <mrs@apple.com>
4215 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4217 (darwin_pragma_options): Use BAD instead.
4218 (darwin_pragma_unused): Likewise.
4219 (darwin_pragma_ms_struct): Likewise.
4221 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4223 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4225 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4227 PR rtl-optimization/27671
4228 * simplify-rtx.c (simplify_relational_operation_1): Fix
4229 simplifications of (eq/ne (xor x y) y) and
4230 (eq/ne (xor x y) x).
4232 PR tree-optimization/26622.
4233 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4236 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4238 * tree-cfg.c: Prune whitespace.
4239 (debug_tree_cfg): Point to correct header containing the
4242 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4245 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4247 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4250 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4251 or sorry count is non zero.
4253 2006-05-20 Andreas Schwab <schwab@suse.de>
4255 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4257 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4258 Kenneth Zadeck <zadeck@naturalbridge.com>
4260 PR rtl-optimization/26855
4262 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4264 (df_scan_alloc): Added code to properly handle multiword hard
4265 registers and add all_blocks parameter.
4266 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4267 code to properly handle multiword hard registers.
4268 (df_rescan_blocks): Added code to remove deleted blocks from
4270 (df_ref_create_structure, df_ref_record): Added code to properly
4272 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4273 and set DF_REF_PARTIAL.
4274 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4275 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4276 (df_scan_add_problem): Added flags parameter.
4277 (df_ref_create_structure): Changed switching structure.
4278 (df_bb_refs_record): Fixed case where duplicate artificial refs
4279 were created. Changed location of flags.
4280 (df_record_entry_block_defs): Added code to make stack pointer
4281 live in entry block. Refined cases where frame pointer is needed.
4282 Changed location of flags.
4283 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4284 (df_set_state): Removed function.
4285 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4286 df_insn_create_insn_record, df_insn_refs_delete,
4287 df_ref_create_structure): Formatting changes.
4288 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4289 df_delete_basic_block): New function.
4290 (df_init): Changed location of flags.
4291 (df_add_problem): Added flags parameter and the way flags are
4293 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4294 debug_df_chain): Improved debugging output.
4295 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4296 (df_refs_chain_dump): Removed df parameter.
4297 (df_iterative_dataflow): Added consistency check.
4298 (df_prune_to_subcfg): Made public.
4299 (df_analyze_problem): Added blocks_to_init parameter and made
4301 (df_ref_record, df_bb_refs_record, df_mark_reg,
4302 df_record_exit_block_uses): Whitespace changes.
4303 (df_dump): Whitespace changes.
4304 * df.h: Some reordering to remove forward references.
4305 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4306 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4307 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4308 (dataflow.flags): New field.
4309 (df.flag): Deleted field.
4310 (df_alloc_function): Added additional bitmap parameter.
4311 (df_dependent_problem_function): New type.
4312 (df_problem.changeable_flags): New field.
4313 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4314 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4315 (df_mw_hardreg): New struct.
4316 (DF_INSN_UID_MWS): New macro.
4317 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4319 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4320 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4321 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4322 (df_set_state): Removed function.
4323 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4324 * df-problems.c (df_chain_dump): Removed df parameter.
4325 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4326 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4328 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4329 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4330 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4331 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4332 DF_REF_MUST_CLOBBER cases.
4333 (df_ru_bb_local_compute_process_def,
4334 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4335 df_lr_bb_local_compute, df_ur_bb_local_compute,
4336 df_chain_create_bb): Made subreg aware.
4337 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4338 df_lr_bb_local_compute, df_lr_bb_local_compute,
4339 df_chain_create_bb): Cleanup to use proper macros.
4340 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4341 code to fixup bitvectors.
4342 (df_ri_alloc): Cleared lifetime.
4343 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4344 df_create_unused_note): New function.
4345 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4346 REG_DEAD and REG_UNUSED notes as well as register information.
4347 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4348 df_chains_dump): Fixed crash if problem was never run.
4349 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4350 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4351 df_ri_add_problem): Processes flags in uniform manner.
4352 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4353 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4354 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4355 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4356 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4357 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4358 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4359 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4360 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4361 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4362 * see.c (see_initialize_data): Ditto.
4363 * final.c (rest_of_clean_state) Added regstack_completed.
4364 * rtl.h (regstack_completed): Ditto.
4365 * reg-stack.c (regstack_completed): Ditto.
4367 2006-05-19 Mike Stump <mrs@apple.com>
4369 * c-tree.h (default_conversion): Remove.
4370 * c-common.h (default_conversion): Add.
4372 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4374 * tree-vrp.c (valid_value_p): New function.
4375 (adjust_range_with_scev): Fail if the value of bound is not
4378 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4380 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4381 (mips_fallback_frame_state): Use syscall numbers to determine
4382 the appropriate li instruction for the current ABI. Only use
4383 __NR_sigreturn for o32.
4385 2006-05-19 Nicolas Setton <setton@adacore.com>
4387 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4388 * langhooks.c (lhd_dwarf_name): New function.
4389 * langhooks-def.h (lhd_dwarf_name): Declare.
4390 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4391 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4392 * ada/misc.c (gnat_dwarf_name): New function.
4393 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4395 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4397 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4399 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4400 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4401 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4402 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4403 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4404 determine the size of Wtype, etc.
4405 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4406 (swfloatfuncs): New variable.
4407 (dwfloatfuncs): Likewise.
4408 (lib2funcs): Remove floating-point conversion functions from
4409 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4410 the set of conversion routines needed. Allow entries to specify
4411 an object name, filename and word size. Update users accordingly.
4412 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4413 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4417 2006-02-08 Roger Sayle <roger@eyesopen.com>
4420 * config/fixtfdi.c: New libgcc source file.
4421 * config/fixunstfdi.c: New source file.
4422 * config/floatditf.c: New source file.
4423 * config/floatunditf.c: New souce file.
4424 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4425 files above instead of config/mips/_tilib.c.
4426 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4428 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4430 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4431 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4433 2006-05-18 Mike Stump <mrs@apple.com>
4435 Fix up vla, vm and [*] sematics.
4441 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4442 (c_vla_unspec_p): Add.
4443 (c_vla_type_p): Add.
4444 * c-decl.c (struct c_scope): Add had_vla_unspec.
4445 (build_array_declarator): Add support for [*].
4446 (grokdeclarator): Likewise.
4447 (grokparms): Likewise.
4448 (get_parm_info): Likewise.
4449 * c-objc-common.c (c_vla_unspec_p): Likewise.
4450 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4451 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4452 typeof when argument is a variably modified type not inside sizeof or alignof.
4453 (c_parser_direct_declarator_inner): Propagate errors.
4454 (c_parser_sizeof_expression): Add support for [*].
4455 (c_parser_parms_declarator): Initialize had_vla_unspec.
4456 (c_parser_parms_list_declarator): Likewise.
4457 * c-typeck.c (c_vla_type_p): Add.
4458 (composite_type): Add support for vla compositing.
4459 (comptypes_internal): Add support for vla compatibility.
4460 (c_expr_sizeof_expr): Evaluate vla arguments.
4461 * tree.c (variably_modified_type_p): Update comment for [*].
4463 2006-05-18 Michael Matz <matz@suse.de>
4466 * config.host: Make assignments to host_xmake_file cumulative.
4467 * config.host (*-darwin*): Test $host, not $target.
4469 2006-05-12 Stuart Hastings <stuart@apple.com>
4471 * config/i386/i386.opt (-mstackrealign): New flag.
4472 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4473 (ix86_handle_cconv_attribute): Emit error when
4474 force_align_arg_pointer attribute collides with too many regparms.
4475 (ix86_function_regparm): Limit regparms when used with
4476 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4477 Support stack-realigning prologue in non-main functions. Emit
4478 warning for nested functions under -mstackrealign, emit error for
4479 nested functions with force_align_arg_pointer attribute.
4480 * doc/extend.texi (force_align_arg_pointer): Document it.
4481 * doc/invoke.texi (-mstackrealign): Document it.
4483 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4485 PR rtl-optimization/27477
4486 * combine.c (try_combine): Don't split a parallel consisting
4487 of two sets into two individual sets if both sets reference
4490 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4492 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4493 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4495 * doc/options.texi (VarExists): Updated.
4497 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4499 * unwind-dw2.c: Add declarations for uw_update_context and
4501 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4502 detected, advance frame state and context once to skip over stub.
4504 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4508 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4509 Call rewrite_into_loop_closed_ssa only when something changed.
4510 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4511 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4512 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4513 Test for perfect_nest_p here. Fix formating.
4514 (replace_uses_equiv_to_x_with_y): Fix formating.
4515 (stmt_uses_op): Removed.
4516 (can_convert_to_perfect_nest): Removed loopivs parameter.
4517 Complete the test by checking the scalar dependences.
4518 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4521 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4524 From Dan Kegel <dank@kegel.com>:
4525 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4527 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4529 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4530 if the element type is variably modified without recursing.
4532 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4535 * tree-loop-linear.c (try_interchange_loops): Test for
4536 no data dependences.
4538 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4540 PR tree-optimization/27548
4541 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4542 range of ssa names that appear on abnormal edges.
4543 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4544 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4546 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4549 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4551 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4554 * tree.h (OMP_PARALLEL_COMBINED): Define.
4555 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4556 (new_omp_context): Add is_combined_parallel argument.
4557 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4558 new_omp_context caller.
4559 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4560 Adjust gimplify_scan_omp_clauses callers.
4561 (omp_is_private): Issue errors if iteration variable is firstprivate
4562 or reduction in the current context.
4563 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4564 on combined parallel workshare constructs.
4566 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4568 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4569 (gcc-options.o): New rule.
4571 * optc-gen.awk: Protect variables for gcc-options.o with
4572 #ifdef GCC_DRIVER/#endif.
4574 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4576 Fix PR tree-optimization/27373
4577 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4578 (forward_propagate_addr_expr): Update call.
4580 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4582 * doc/options.texi: Move the Negative option.
4584 2006-05-16 Richard Guenther <rguenther@suse.de>
4586 PR tree-optimization/22303
4587 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4589 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4590 ccp_fold did not simplify the statement.
4592 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4595 * Makefile.in (GCC_OBJS): New.
4596 (OBJS-common): Add opts-common.o.
4597 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4598 (cpp$(exeext)): Likewise.
4599 (gcc.o): Also depend on opts.h.
4600 (opts-common.o): New.
4602 * common.opt (gcoff): Add Negative(gdwarf-2).
4603 (gdwarf-2): Add Negative(gstabs).
4604 (gstabs): Add Negative(gstabs+).
4605 (gstabs+): Add Negative(gvms).
4606 (gvms): Add Negative(gxcoff).
4607 (gxcoff): Add Negative(gxcoff+).
4608 (gxcoff+): Add Negative(gcoff).
4609 * config/i386/i386.opt (m32): Add Negative(m64).
4610 (m64): Add Negative(m32).
4612 * doc/options.texi: Document the Negative option.
4614 * gcc.c: Include "opts.h".
4615 (main): Call prune_options after expandargv.
4617 * optc-gen.awk: Generate common declarations for all flag
4618 variables in options.c. Output the neg_index field.
4620 * opts.c (find_opt): Moved to ...
4621 * opts-common.c: Here. New file.
4623 * opts.h (cl_option): Add a neg_index field.
4625 (prune_options): Likewise.
4627 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4630 * omp-low.c (expand_omp_parallel): Don't assert
4631 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4632 instead search for it.
4635 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4638 2006-05-16 Andreas Schwab <schwab@suse.de>
4640 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4643 2006-05-15 Roger Sayle <roger@eyesopen.com>
4646 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4647 integer constants other than zero are only legitimate on TARGET_64BIT.
4648 <CONST_VECTOR> Only zero vectors are legitimate.
4649 (ix86_cannot_force_const_mem): Integral and vector constants can
4650 always be put in the constant pool.
4652 2006-05-16 DJ Delorie <dj@redhat.com>
4654 * crtstuff.c (__dso_handle): Set section from
4655 TARGET_LBIGCC_SDATA_SECTION if defined.
4656 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4657 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4659 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4662 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4665 2006-05-16 Ben Elliston <bje@au.ibm.com>
4667 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4669 2006-05-15 Per Bothner <per@bothner.com>
4671 * tree.c: (last_annotated_node): Use source_locus typedef.
4672 This permits bootstrapping with --enable-mapped-location.
4674 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4676 PR tree-optimization/26830
4677 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4678 (info_for_ssa_name, current_info_for_ssa_name_age,
4679 blocks_to_update): New variables.
4680 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4681 (clear_ssa_name_info, initialize_flags_in_bb,
4682 mark_block_for_update): New functions.
4683 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4684 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4685 prepare_def_site_for): Use mark_block_for_update.
4686 (mark_def_interesting): Assert that the processed block is marked in
4687 blocks_to_update. Do not take blocks argument.
4688 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4690 (rewrite_update_init_block, rewrite_update_stmt): Only process
4691 blocks with statements to rewrite.
4692 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4693 (update_ssa): Initialize and free blocks_to_update. Do not
4694 clear flags on statements. Do not use blocks bitmap.
4695 * tree.h (SSA_NAME_AUX): Removed.
4696 (struct tree_ssa_name): Removed aux field.
4697 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4699 2006-05-15 Richard Guenther <rguenther@suse.de>
4701 PR tree-optimization/27603
4702 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4703 Do computations in original type.
4705 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4707 * see.c: Code style changes such as redundant paranthesis,
4708 redundant intialization of local variables etc.
4709 (see_main): Declared now as static.
4710 * doc/invoke.texi: Update that -fsee is not enabled by
4713 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4715 * omp-low.c (check_omp_nesting_restrictions): New function.
4716 (scan_omp_1): Call it.
4719 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4720 construct, return *VAR.
4722 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4724 PR rtl-optimization/27406
4725 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4728 2006-05-14 Roger Sayle <roger@eyesopen.com>
4730 PR rtl-optimization/27538
4731 * combine.c (expand_compound_operation): Call gen_lowpart
4732 before calling simplify_shift_const.
4734 2006-05-14 Roger Sayle <roger@eyesopen.com>
4736 PR rtl-optimization/22563
4737 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4738 a fixed width bitfield, always force the intermediates into psuedos.
4740 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4743 * mkconfig.sh: Use operator = instead of == for test.
4745 2006-05-13 Nick Clifton <nickc@redhat.com>
4747 * dwarf2out.c (dbx_reg_number): Check return value from
4748 LEAF_REG_REMAP and only use it if it is valid.
4749 (multiple_reg_loc_descriptor): Likewise.
4751 2006-05-13 Richard Guenther <rguenther@suse.de>
4753 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4756 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4758 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4759 information attached to non-INSNs such as NOTEs.
4760 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4762 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4764 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4766 * config/s390/s390.md: Adjust comment describing On constraint.
4768 2006-05-11 Jan Hubicka <jh@suse.cz>
4770 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4771 to be output at -O0.
4773 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4776 * fold-const.c (size_binop): Move sanity check for arguments to
4777 the beginning of the function.
4780 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4783 2006-05-11 Richard Guenther <rguenther@suse.de>
4786 * fold-const.c (fold_unary): Handle intermediate conversion
4787 to a pointer type like intermediate conversion to an integer
4788 type in folding of (T1)(T2)var to var.
4789 Match the code to the comment in the final conversion for
4790 (T1)(T2)var to (T1)var regarding to type precision. Rather
4791 than disallow T1 being of pointer type, assert that both T1
4792 and var are of pointer type or not. Make sure not to fall
4793 over the frontends lazyness wrt array to pointer decay though.
4795 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4797 * arm.c (arm_struct_value_rtx): Delete.
4798 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4799 (arm_init_cumulative_args): Always initialize nregs to zero.
4801 2006-05-10 Richard Guenther <rguenther@suse.de>
4803 PR tree-optimization/27532
4804 * tree-object-size.c (plus_expr_object_size): Fix typo.
4806 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4809 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4810 ashrdi_const, ashrdi3): Use a scratch register.
4812 2006-05-10 Richard Guenther <rguenther@suse.de>
4814 PR tree-optimization/27302
4815 * fold-const.c (operand_equal_p): For two comparisons,
4816 try comparison of one comparison code swapped if that yields
4819 2006-05-10 Ben Elliston <bje@au.ibm.com>
4821 * tree-pretty-print.c (pretty_print_string): No need to handle
4822 '\0' as a special character.
4824 * tree.h: Include "hashtab.h".
4825 (iterative_hash_expr): Use hashval_t in its prototype.
4826 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4828 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4831 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4832 (hppa*64*-*-hpux11*): Ditto.
4833 (hppa[12]*-*-hpux11*): Ditto.
4835 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4838 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4840 2006-05-09 Michael Matz <matz@suse.de>
4842 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4843 host_extra_gcc_objs and host_xmake_file.
4844 (<*-*-linux*>): Don't overwrite host_xmake_file.
4845 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4846 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4847 (host_detect_local_cpu): Declare.
4848 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4849 * config/i386/i386.c (override_options): Handle -mtune=native
4851 * config/i386/x-i386: New file.
4852 * config/i386/driver-i386.c: New file.
4853 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4856 2006-05-09 Dirk Mueller <dmueller@suse.de>
4857 Richard Guenther <rguenther@suse.de>
4860 * fold-const.c (fold_read_from_constant_string): Relax check
4861 for matching types to matching modes.
4863 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4865 PR rtl-optimization/27335
4866 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4869 2006-05-08 Chao-ying Fu <fu@mips.com>
4870 Richard Sandiford <richard@codesourcery.com>
4872 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4873 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4874 * config/mips/mips.md (UNSPEC_SCC): New constant.
4875 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4876 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4877 (mips_emit_compare): Use it.
4878 (mips_expand_vcondv2sf): New function.
4880 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4882 Fix PR tree-optimization/27093
4883 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4884 renaming when they become not-used_alone.
4886 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4888 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4889 relocation and relocation stubs.
4891 2006-05-08 Eric Christopher <echristo@apple.com>
4893 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4896 2006-05-08 Jan Hubicka <jh@suse.cz>
4899 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4900 unused static functions are needed.
4902 2006-05-08 Roger Sayle <roger@eyesopen.com>
4905 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4906 of a reg_equiv_constant if the result is a legitimate constant.
4908 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4911 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4912 standard 80387 constants, raise the cost to prevent
4913 compress_float_constant() to generate load from memory.
4915 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4917 * config/arm/constraints.md (c): Fix a typo.
4919 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4922 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4925 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4927 (_mm_mwait): Likewise.
4929 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4931 (sse3_monitor): Make it 32bit only.
4932 (sse3_monitor64): New. 64bit monitor.
4934 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4937 * config/i386/i386.c (classify_argument): Skip fields with invalid
4940 2006-05-07 Richard Guenther <rguenther@suse.de>
4942 PR tree-optimization/27409
4943 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4944 Do not try to find zero-sized subvars.
4946 2006-05-07 Richard Guenther <rguenther@suse.de>
4948 PR tree-optimization/27136
4949 * tree-ssa-loop-niter.c (get_val_for): Correct function
4950 comment, assert requirements.
4951 (loop_niter_by_eval): Stop processing if the iterated
4952 value did not simplify.
4954 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4956 * opts.c (flag_see): remove its setting at -O3.
4958 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4960 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4961 * arm/constraints.md: New file.
4962 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4963 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4964 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4965 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4966 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4967 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4968 * arm.md: Include constraints.md.
4969 (thumb_movsi_insn): Use satisfies_constraint_J.
4970 (movhi, movqi): Use satisfies_constraint_I.
4972 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4974 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4975 for atmeg a645 device.
4977 2006-05-06 Richard Guenther <rguenther@suse.de>
4979 PR tree-optimization/27151
4980 * tree-vect-transform.c (vectorizable_condition): Punt on
4981 values that have a different type than the condition.
4983 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4986 * c-parser.c (c_parser_cast_expression): Only insert casts into
4987 hash table if pointer.
4988 * function.c (used_types_insert_helper): Rename from
4990 (used_types_insert): Call used_types_insert_helper.
4991 * function.h (used_types_insert): Accept only one argument.
4993 2006-05-05 David Edelsohn <edesohn@gnu.org>
4995 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4996 scratch with output modifier.
4998 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5001 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5002 with output modifier.
5004 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5007 * config/mips/mips.c (mips_symbolic_address_p): Return true
5008 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5009 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5011 2006-05-04 Richard Guenther <rguenther@suse.de>
5013 PR tree-optimization/14287
5014 PR tree-optimization/14844
5015 PR tree-optimization/19792
5016 PR tree-optimization/21608
5017 PR tree-optimization/27090
5018 * tree-ssa-pre.c (try_combine_conversion): New function.
5019 (compute_avail): After constructing the value-handle
5020 expression, use try_combine_conversion to combine NOP_EXPRs
5021 with previous value-handle expressions and use the result if it
5024 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5026 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5028 2006-05-04 Jan Hubicka <jh@suse.cz>
5031 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5033 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5035 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5036 that this only matches CONST_INTs. All users changed to VOIDmode
5039 * config/bfin/bfin.c: Include "optabs.h".
5040 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5042 (enum bfin_builtins): Add a number of fractional and vector builtins.
5043 (bfin_init_builtins): Likewise.
5044 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5045 (safe_vector_operand, bfin_expand_binop_builtin,
5046 bfin_expand_unop_builtin): New functions.
5047 (bfin_expand_builtin): Handle the new builtins.
5048 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5051 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5054 * Makefile.in (OBJS-common): Add see.o.
5055 (see.o): Add dependencies.
5056 * common.opt (fsee): New flag for the see optimization was added.
5057 * opts.c (flag_see): Initialized.
5058 * passes.c (init_optimization_passes, pass_see): New pass.
5059 * rtl.h (see_main): Declaration as extern.
5060 * timevar.def (TV_SEE): New.
5061 * tree-pass.h (pass_see): Declaration as extern.
5062 * invoke.texi (-fsee): Document.
5063 * recog.c (validate_simplify_insn): New function.
5064 * recog.h (validate_simplify_insn): Declaration as extern.
5065 * df-problems.c (df_chain_dump): Check for NULL.
5067 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5068 Daniel Berlin <dberlin@dberlin.org>
5070 * cfgrtl.c (insert_insn_bb_end_new): New function.
5071 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5073 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5075 * df.h (struct web_entry): Moved from web.c.
5076 (union_defs): Declaration as extern.
5077 (unionfind_root): Likewise.
5078 (unionfind_union): Likewise.
5079 * web.c (struct web_entry): Moved to df.h.
5080 (unionfind_root): Remove static declaration.
5081 (unionfind_union): Likewise.
5082 (union_defs): Likewise and generalize to use callback function.
5083 (web_main): Update arguments for union_defs function call.
5085 2006-05-04 Richard Guenther <rguenther@suse.de>
5087 PR tree-optimization/26447
5088 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5089 produce SSA_NAME copies before the store stmt to avoid
5090 breaking exception handling.
5092 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5095 * gimplify.c (omp_is_private): If var is shared in some outer context,
5096 return false instead of true. Stop searching on parallel context
5099 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5102 * coverage.c: Use get_gcov_unsigned_t() instead of
5103 unsigned_type_node all over.
5105 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5107 PR tree-optimization/27381
5108 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5109 maintain the same immediate_use links.
5110 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5111 node rather than segfaulting.
5113 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5116 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5117 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5118 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5120 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5122 Fix PR tree-optimization/26626
5123 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5125 * tree-ssa-operands.c (access_can_touch_variable): Allow
5126 typecasting through union pointers.
5128 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5131 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5132 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5133 to find if var will be a global variable even in the nested context.
5134 (omp_copy_decl): Only check for global variable at the end, it might
5135 be overridden in outer contexts.
5136 (scan_sharing_clauses): For global variables don't create a field.
5137 (lower_rec_input_clauses): Do nothing for global shared variables.
5138 Emit a barrier at the end of ILIST if there were any decls in both
5139 firstprivate and lastprivate clauses.
5140 (lower_send_clauses): Do nothing for global variables except for
5143 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5145 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5146 of the correct signedness is returned.
5148 2006-05-02 Jeff Law <law@redhat.com>
5150 PR tree-optimization/27364
5151 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5152 multiply expressions.
5154 2006-05-02 Tom Tromey <tromey@redhat.com>
5156 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5158 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5161 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5162 -mthumb -fPIC are used.
5164 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5165 Joshua Kinard <kumba@gentoo.org>
5168 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5169 with 64-bit pointers.
5171 2006-05-02 Paul Brook <paul@codesourcery.com>
5173 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5175 (create_fix_barrier): Check that a suitable barrier location is
5177 (arm_reorg): Include ftmp->address in allowable range of addresses.
5179 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5182 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5185 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5188 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5189 around RESULT_DECL for result passed by reference.
5190 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5191 * omp-low.c (use_pointer_for_field): Don't look at
5192 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5193 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5194 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5195 time or var for passing by reference for
5196 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5197 TREE_ADDRESSABLE variables when passing by reference.
5199 * omp-low.c (dump_omp_region): Fix output formatting.
5202 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5203 (expand_omp_parallel): Likewise.
5204 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5207 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5208 on statement list containing also constructors and destructors.
5209 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5212 * except.c (duplicate_eh_regions): Fix clearing of
5213 cfun->eh->region_array entries.
5215 2006-05-01 DJ Delorie <dj@redhat.com>
5217 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5219 (gcc_cv_objdump): Likewise.
5220 * configure: Regenerated.
5222 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5225 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5226 templates for case 3 and 4.
5228 2006-05-01 DJ Delorie <dj@redhat.com>
5230 * vec.c: Include bconfig.h when appropriate.
5231 * Makefile.in (build/vec.o): Adjust dependencies.
5232 * mkconfig.sh: Make sure config.h isn't used for build machine
5235 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5237 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5239 (mark_phi_for_rewrite): New function.
5240 (insert_phi_nodes_for, mark_use_interesting): Call
5241 mark_phi_for_rewrite.
5242 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5243 (update_ssa): Initialize and free phis_to_rewrite.
5245 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5247 PR rtl-optimization/27291
5248 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5249 folded to a constant.
5251 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5253 PR tree-optimization/27283
5254 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5255 not whole # of iteration descriptions.
5256 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5257 uses abnormal ssa name.
5258 (niter_for_single_dom_exit): Ditto.
5259 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5260 return just the number of iterations.
5262 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5264 PR tree-optimization/27144
5265 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5266 (record_estimate): Only record constant upper bound.
5267 (infer_loop_bounds_from_undefined): Call
5268 compute_estimated_nb_iterations just once.
5269 (proved_non_wrapping_p): Renamed to ...
5270 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5271 (convert_step_widening, scev_probably_wraps_p): Call
5272 n_of_executions_at_most instead of proved_non_wrapping_p.
5273 (substitute_in_loop_info): Do not replace values in bounds.
5274 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5277 2006-05-01 Richard Henderson <rth@redhat.com>
5280 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5281 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5284 2006-05-01 Roger Sayle <roger@eyesopen.com>
5286 * c-typeck.c (parser_build_binary_op): Don't call the function
5287 unsigned_conversion_warning to spot operand/result type overflow.
5288 (build_binary_op): Instead, call convert_and_check instead of
5289 convert to report the problem when the operands are promoted.
5290 * c-common.c (unsigned_conversion_warning): Make static.
5291 * c-common.h (unsigned_conversion_warning): Delete prototype.
5293 2006-05-01 Richard Guenther <rguenther@suse.de>
5295 PR tree-optimization/26726
5296 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5298 (find_interesting_uses_address): ... we work around here
5299 by folding INDIRECT_REFs in the substituted base.
5301 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5303 * omp-low.c (dump_omp_region): Add newlines.
5305 2006-04-30 Roger Sayle <roger@eyesopen.com>
5307 * common.opt (Woverflow): New command line option.
5308 * c-common.c (constant_expression_warning): Check warn_overflow.
5309 (overflow_waring): Pass OPT_Woverflow to warning.
5310 (unsigned_conversion_warning): Likewise.
5311 (convert_and_check): Likewise.
5312 * doc/invoke.texi: Document new command line option.
5314 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5316 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5317 TARGET_NO_FP_IN_TOC for section anchors.
5318 (optimization_options): Enable section anchors for all
5319 non-"Objective" languages.
5321 2006-04-28 Eric Christopher <echristo@apple.com>
5323 * config/darwin-c.c (darwin_ms_struct): Move this
5324 (darwin_set_default_type_attributes): and this...
5325 * config/darwin.c: ... here.
5326 * config/darwin.h (darwin_ms_struct): Declare.
5328 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5330 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5332 2006-04-28 Roger Sayle <roger@eyesopen.com>
5335 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5336 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5337 an unsigned HOST_WIDE_INT.
5338 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5340 (really_start_incremental_init): No need to call convert because
5341 bitsize_zero_node is already of type bitsizetype.
5342 (push_init_level): Extract the value of constructor_index as an
5343 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5344 (process_init_element): Likewise.
5346 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5348 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5349 value before passing to make_relative_prefix.
5351 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5354 * builtins.c (expand_builtin_memset): Expand val in original mode.
5356 2006-04-27 Eric Christopher <echristo@apple.com>
5358 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5359 with #ifndef/#endif.
5360 * config/darwin-c.c (darwin_ms_struct): New.
5361 (darwin_pragma_ms_struct): Ditto.
5362 (darwin_set_default_type_attributes): Ditto.
5363 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5364 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5365 Register ms_struct pragma.
5366 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5367 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5368 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5369 darwin_set_default_type_attributes if TARGET_MACHO.
5371 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5373 PR tree-optimization/26854
5374 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5375 * doc/tree-ssa.texi: Update immuse iterator documentation.
5376 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5377 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5378 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5379 first_safe_imm_use, next_safe_imm_use): Remove.
5380 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5381 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5382 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5383 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5384 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5385 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5386 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5387 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5388 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5389 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5390 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5391 (perfect_nestify): Use new iterator.
5392 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5394 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5395 (next_imm_name): New field in struct immediate_use_iterator_d.
5396 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5397 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5398 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5399 * tree-cfg.c (replace_uses_by): Use new iterator.
5400 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5401 * tree-ssa-operands.c (correct_use_link): Remove.
5402 (finalize_ssa_use_ops): No longer call correct_use_link.
5404 2006-04-27 Stuart Hastings <stuart@apple.com>
5406 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5407 * config/t-darwin (crt3.o): Use it.
5408 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5409 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5410 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5411 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5412 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5415 2006-04-27 Roger Sayle <roger@eyesopen.com>
5417 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5418 size, force the intermediate into a new pseudo rather instead of
5419 performing both a bitwise AND and a bitwise IOR in memory.
5421 2006-04-27 Richard Guenther <rguenther@suse.de>
5423 PR rtl-optimization/26685
5424 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5425 this one "max-flow-memory-locations".
5427 2006-04-27 Richard Guenther <rguenther@suse.de>
5429 PR tree-optimization/25148
5430 * tree-vrp.c (compare_values): Remove code dealing with
5431 comparisons against type min/max value. Honour overflow
5432 and negative constants in code dealing with comparisons
5433 of plus and minus expressions.
5434 (value_inside_range): Use fold_binary with LE_EXPR and
5435 GE_EXPR rather than compare_values.
5437 2006-04-27 Dirk Mueller <dmueller@suse.de>
5439 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5442 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5444 * basic-block.h (safe_insert_insn_on_edge): Removed.
5445 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5447 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5448 Paolo Bonzini <bonzini@gnu.org>
5451 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5452 (simplify_and_const_int): Same.
5454 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5456 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5458 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5461 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5462 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5463 cgraph_global_info_ready.
5466 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5469 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5470 either decl or init is error_mark_node.
5473 * tree-flow.h (struct omp_region): Add sched_kind.
5474 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5475 instead of extracting omp for data.
5476 (expand_omp_for): Save extracted sched_kind.
5478 2006-04-25 Roger Sayle <roger@eyesopen.com>
5480 * expmed.c (store_bit_field): Also check whether the bitsize is
5481 valid for the machine's "insv" instruction before moving the
5482 target into a pseudo for use with the insv.
5483 * config/i386/predicates.md (const8_operand): New predicate.
5484 * config/i386/i386.md (extv, extzv, insv): Use the new
5485 const8_operand predicate where appropriate.
5487 2006-04-25 DJ Delorie <dj@redhat.com>
5489 * doc/install.texi (Specific): Clarify that this is not a list of
5490 supported hosts or targets.
5492 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5494 PR rtl-optimization/26725
5495 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5496 block's BB_DIRTY flag.
5498 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5500 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5503 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5504 to print an integer.
5506 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5508 * varasm.c (align_variable): New function.
5509 (get_block_for_decl): Apply align_variable to DECL before
5510 calculating section information.
5511 (assemble_variable): Split out alignment computation.
5513 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5515 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5518 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5520 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5521 MODE_PARTIAL_INT mode.
5522 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5523 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5525 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5526 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5528 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5530 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5532 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5533 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5534 MACFLAG_IH): Likewise.
5535 (movstricthi_1): Renamed from "*movstricthi".
5536 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5537 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5538 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5539 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5540 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5541 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5542 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5543 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5544 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5545 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5546 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5547 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5548 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5549 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5550 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5552 * doc/rtl.texi (ss_ashift): Improve wording.
5554 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5556 * dwarf2out.c (verify_marks_clear): New.
5557 (prune_unused_types): Call verify_marks_clear initially, not
5560 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5562 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5563 * doc/rtl.texi: Document them.
5564 * simplify-rtx.c (simplify_unary_operation,
5565 simplify_binary_operation_1): Don't abort when we see them.
5567 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5570 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5571 * configure.ac: Completely disregard languages that are not
5573 * configure: Regenerated.
5575 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5576 Richard Guenther <rguenther@suse.de>
5578 PR tree-optimization/27236
5579 * tree-inline.c (copy_body_r): Make sure to copy
5580 TREE_THIS_VOLATILE flag.
5582 2006-04-24 Richard Guenther <rguenther@suse.de>
5585 * tree-complex.c (update_parameter_components): Don't handle
5586 unused parameters which have no default def.
5588 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5589 Richard Guenther <rguenther@suse.de>
5591 PR tree-optimization/27218
5592 * tree-inline.c (expand_call_inline): Strip useless type
5593 conversions for the return slot address.
5595 2006-04-24 Richard Guenther <rguenther@suse.de>
5597 * cfgloop.h (struct loops): Remove unused field array. Reorder
5599 (LOOP_PREFETCH): Remove.
5601 2006-04-24 Richard Guenther <rguenther@suse.de>
5603 PR tree-optimization/22525
5604 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5605 variable, adjust types of generated expressions.
5607 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5609 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5610 (tree-vect-patterns.o): Likewise.
5612 (cselib.o): Likewise.
5613 (loop-doloop.o): Likewise.
5614 (regclass.o): Likewise.
5615 (reload1.o): Likewise.
5616 (explow.o): Replace target.h with $(TARGET_H).
5617 (ipa-prop.o): Likewise.
5618 (ipa-cp.o): Likewise.
5619 (ipa-inline.o): Likewise.
5620 (reorg.o): Likewise.
5621 (reg-stack.o): Likewise.
5623 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5625 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5627 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5629 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5631 * configure.ac: Completely disregard languages that are not
5633 * configure: Regenerated.
5636 * c-common.h (c_build_bitfield_integer_type): Declare.
5637 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5638 * c-common.c (c_build_bitfield_integer_type): ... here.
5640 2006-04-23 Roger Sayle <roger@eyesopen.com>
5643 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5644 a SImode SUBREG of a floating point register after no_new_pseudos.
5646 2006-04-23 Roger Sayle <roger@eyesopen.com>
5648 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5649 identify potentially eliminable registers to additionally catch
5650 VIRTUAL_INCOMING_ARGS_REGNUM.
5651 (addsi3): Update the conditions on when to use addsi_small_int.
5653 2006-04-23 Roger Sayle <roger@eyesopen.com>
5656 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5657 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5658 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5660 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5662 * fold-const.c (range_predecessor): Use operand_equal_p
5663 as the predicate for equality.
5664 (range_successor): Likewise.
5666 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5669 * config/soft-fp/op-common.h: Fix a typo.
5671 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5674 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5675 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5677 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5679 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5681 * doc/tm.texi: Fix a typo.
5683 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5685 * dwarf2out.c (struct die_struct): Document that die_sib makes
5686 a circular linked list.
5687 (FOR_EACH_CHILD): New.
5688 (reverse_die_lists): Delete.
5689 (reverse_all_dies): Delete.
5690 (add_dwarf_attr): Correct documentation.
5691 (remove_child_with_prev): New.
5692 (remove_child_TAG): Update for change to die_struct, use
5693 remove_child_with_prev.
5694 (add_child_die): Update for change to die_struct.
5695 (splice_child_die): Use remove_child_with_prev and add_child_die.
5696 (print_die): Use FOR_EACH_CHILD.
5697 (die_checksum): Likewise.
5698 (assign_symbol_names): Likewise.
5699 (output_location_lists): Likewise.
5700 (build_abbrev_table): Likewise.
5701 (calc_die_sizes): Likewise.
5702 (mark_dies): Likewise.
5703 (unmark_dies): Likewise.
5704 (unmark_all_dies): Likewise.
5705 (output_die): Likewise.
5706 (prune_unused_types_mark): Likewise.
5707 (prune_unused_types_walk): Likewise.
5708 (same_die_p): Update for change to die_struct.
5709 (break_out_includes): Likewise.
5710 (prune_unused_types_prune): Likewise.
5711 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5712 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5714 (dwarf2out_finish): Don't call reverse_all_dies.
5716 2006-04-21 Eric Christopher <echristo@apple.com>
5718 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5719 in comments and function names.
5721 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5724 * c-typeck.c (digest_init): Robustify.
5726 * c-typeck.c (pop_init_level): Simplify.
5728 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5730 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5732 2006-04-21 Paul Brook <paul@codesourcery.com>
5734 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5735 hardware floating point.
5737 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5739 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5742 2006-04-21 Nick Clifton <nickc@redhat.com>
5744 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5747 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5750 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5751 C++ lang type in traceback table for Objective-C++.
5753 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5755 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5757 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5759 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5762 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5763 were errors. Remove check for erroneous objects.
5765 2006-04-20 Jeff Law <law@redhat.com>
5767 PR tree-optimization/26854
5768 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5769 checking for zero or one use.
5770 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5771 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5772 * tree-ssa-reassoc.c (negate_value): Similarly.
5773 (reassociate_bb): Similarly.
5775 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5777 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5778 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5779 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5781 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5783 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5784 fp regs if the last fp arg doesn't fit in regs.
5786 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5789 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5790 that the last insn has the REG_INC note.
5792 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5793 Nathan Sidwell <nathan@codesourcery.com>
5796 * stor-layout.c (update_alignment_for_field): Do not align
5798 (place_union_field): Place union field at the start of the union.
5799 (place_field): Move ERROR_MARK check later, and use the current
5800 allocation position to maintain monotonicity.
5802 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5804 * dominance.c: Include timevar.h.
5805 (calculate_dominance_info): Use TV_DOMINANCE.
5806 * timevar.def (TV_DOMINANCE): New timevar.
5807 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5809 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5811 PR rtl-optimization/14261
5812 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5813 move would be an INSV insn.
5814 (noce_process_if_block): Don't optimize if the destination is a
5815 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5817 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5819 * config/s390/s390.md: Add comments with the instructions emitted
5820 by an insn pattern if macros are used.
5822 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5824 PR rtl-optimization/26026
5825 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5826 is a known power of two shifted left a variable amount.
5828 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5830 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5831 to hash table twice when the debug_str section has SECTION_MERGE.
5833 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5835 * config/soft-fp: New directory. From glibc.
5836 * config/soft-fp/t-softfp: New.
5837 * config/soft-fp/README: New.
5838 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5839 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5840 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5841 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5842 * config.gcc: Use rs6000/t-fprules-fpbit or
5843 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5845 * config/rs6000/sfp-machine.h: New. Based on glibc.
5846 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5848 * config/rs6000/t-fprules: Remove fp-bit rules.
5849 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5850 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5851 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5852 (softfp_wrap_start, softfp_wrap_end): New.
5854 2006-04-18 DJ Delorie <dj@redhat.com>
5856 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5858 2006-04-18 Devang Patel <dpatel@apple.com>
5860 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5862 2006-04-18 Nick Clifton <nickc@redhat.com>
5864 * config/sh/t-symbian: Add rule to build sh-c.o
5865 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5866 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5867 (sh_symbian_encode_section_info): Likewise.
5869 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5871 * builtins.c (expand_builtin_strcmp): Cover label definition of
5872 do_libcall with HAVE_cmpstrnsi.
5874 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5876 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5878 * function.h (temp_slot_p): New.
5879 (function): Change the type of x_used_temp_slots to
5880 VEC(temp_slot_p,gc) *.
5882 2006-04-18 Nick Clifton <nickc@redhat.com>
5884 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5885 flag_strength_reduce.
5887 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5889 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5893 Partial revert of revision 112637
5894 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5895 Dale Johannesen <dalej@apple.com>
5898 * regclass.c (struct reg_pref): Update documentation.
5899 (regclass): Set prefclass to NO_REGS if memory is the best option.
5900 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5902 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5904 PR tree-optimization/26821
5905 * tree-ssa-math-opts.c (get_constant_one): New.
5906 (insert_reciprocals): Use it.
5908 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5910 * dwarf2out.c (free_AT): Delete.
5911 (remove_AT): Update string ref counts.
5912 (remove_child_TAG): Don't call free_die.
5914 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5915 or DW_TAG_GNU_EINCL.
5916 (prune_unused_types_walk_attribs): Reset string refcounts.
5917 (prune_unused_types_update_strings): New.
5918 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5919 call free_die. Do call prune_unused_types_update_strings.
5920 (prune_unused_types): Empty debug_str_hash.
5922 2006-04-17 Roger Sayle <roger@eyesopen.com>
5924 * expr.c (expand_assignment): Optimize away no-op moves where the
5925 source and destination are equal and have no side-effects.
5927 2006-04-17 Richard Guenther <rguenther@suse.de>
5930 * reload.c (push_reload): Guard calls to get_secondary_mem
5933 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5935 * alias.c (reg_base_value, old_reg_base_value): Change the
5936 type to VEC(rtx,gc) *.
5937 (REG_BASE_VALUE, find_base_value, record_set,
5938 init_alias_analysis): Use VEC instead of VARRAY.
5940 * alias.c (alias_sets): Change the type to
5941 VEC(alias_set_entry,gc) *.
5942 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5943 VEC instead of VARRAY.
5944 (last_alias_set): Remove.
5946 * cgraph.h (cgraph_edge_p): New.
5947 Update the prototype of cgraph_function_versioning.
5948 * cgraphunit.c (cgraph_copy_node_for_versioning,
5949 cgraph_function_versioning): Use VEC instead of VARRAY.
5950 * ipa-cp.c (ipcp_insert_stage): Likewise.
5952 2006-04-16 Roger Sayle <roger@eyesopen.com>
5955 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5956 "A op B" or "A op C", we may need to convert A to the type of B and C.
5958 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5960 * target.h (struct gcc_target): Add mode_rep_extended.
5961 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5962 (init_num_sign_bit_copies_in_rep): Initialize it using
5964 (truncate_to_mode): Use it.
5965 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5966 * targhooks.h (default_mode_rep_extended): Declare it.
5967 * targhooks.c (default_mode_rep_extended): Define it.
5968 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5969 default_mode_rep_extended.
5970 (TARGET_INITIALIZER): Include it.
5971 * doc/tm.texi (Misc): Document it.
5972 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5973 (mips_truncated_to_mode): New function.
5975 2006-04-16 Roger Sayle <roger@eyesopen.com>
5978 * expr.c (compress_float_constant): Copy the narrow constant into
5979 a new pseudo before extending it to its final width.
5981 2006-04-16 Roger Sayle <roger@eyesopen.com>
5982 Andrew Pinski <pinskia@gcc.gnu.org>
5983 Dale Johannesen <dalej@apple.com>
5986 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5987 special case code to implement V8HImode and V16QImode with SSE2.
5989 2006-04-15 Roger Sayle <roger@eyesopen.com>
5991 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5992 trees are constructed with a suitable tree type.
5994 2006-04-15 Roger Sayle <roger@eyesopen.com>
5996 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5997 (integer_onep): Likewise.
5998 (integer_all_onesp): Likewise.
5999 (integer_pow2p): Likewise.
6000 (integer_nonzerop): Likewise.
6001 (real_zerop): Likewise.
6002 (real_onep): Likewise.
6003 (real_twop): Likewise.
6004 (real_minus_onep): Likewise.
6005 (int_size_in_bytes): Likewise.
6006 (host_integerp): Likewise.
6008 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6010 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6011 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6012 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6014 * tree-ssa-structalias.h (alias_info): Remove num_references.
6016 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6018 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6019 (output_bvb patterns): Likewise.
6020 * pa.c (output_bb): Use 'bb' insn for long branch case.
6021 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6022 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6023 1. Correct length operand for alternatives 1 and 2.
6024 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6025 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6027 2006-04-14 Roger Sayle <roger@eyesopen.com>
6029 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6030 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6031 were accidentally reverted by r112959.
6033 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6036 * except.h (eh_region_outermost): New prototype.
6037 * except.c (eh_region_outermost): New function.
6038 * tree-cfg.c (find_outermost_region_in_block): Use it.
6040 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6042 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6044 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6045 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6046 (init_reload, reload): Use VEC instead of VARRAY.
6047 * reload.h: Update the prototype for
6048 reg_equiv_memory_loc_varray.
6050 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6051 Eric Botcazou <ebotcazou@libertysurf.fr>
6053 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6056 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6059 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6060 to expand fallback builtin function call.
6062 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6065 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6066 and emit libcall here in case the builtin fails.
6067 (expand_builtin_strcmp): Always emit the libcall here on failure.
6069 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6071 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6072 * flow.c (reg_n_info): Change the type to
6073 VEC(reg_info_p,heap) *.
6074 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6076 * regs.h (reg_info_p): New.
6077 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6078 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6079 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6082 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6084 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6086 * params.h (MAX_SCHED_READY_INSNS): New macro.
6087 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6088 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6089 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6090 the ready list for 1 cycle during the first scheduling pass.
6091 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6093 2006-04-13 Richard Henderson <rth@redhat.com>
6096 * gimple-low.c (lower_omp_directive): Remove dead code.
6097 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6098 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6099 * omp-low.c (struct omp_region): Move to tree-flow.h.
6100 (root_omp_region): Export.
6101 (omp_regions, lookup_omp_region): Remove.
6102 (determine_parallel_type): Update for struct omp_region changes.
6103 (dump_omp_region): Dump regions with block numbers.
6104 (new_omp_region): Take type and block instead of stmt; malloc
6106 (free_omp_region_1, free_omp_regions): New.
6107 (expand_parallel_call): Take entry_stmt as argument; update for
6108 changes to omp_region.
6109 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6110 (remove_exit_barriers): New.
6111 (expand_omp_parallel): Update for struct omp_region changes.
6112 (expand_omp_synch): Likewise.
6113 (expand_omp): Likewise.
6114 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6115 (expand_omp_for_static_chunk): Likewise.
6116 (expand_omp_for): Likewise.
6117 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6118 (expand_omp_sections): Similarly, with GOMP_sections_end.
6119 (expand_omp_single): New.
6120 (build_omp_regions_1): Update for OMP_CONTINUE.
6121 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6122 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6123 OMP_SECTIONS_SECTIONS.
6124 (lower_omp_single_simple): Don't emit barrier here.
6125 (lower_omp_single_copy): Likewise.
6126 (lower_omp_single): Fix bindings, and lower to straightline now.
6127 (lower_omp_master, lower_omp_ordered): Likewise.
6128 (lower_omp_critical): Likewise.
6129 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6130 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6131 omp edges, free it afterward.
6132 (make_omp_sections_edges): Remove.
6133 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6134 (move_stmt_r): Handle OMP_CONTINUE.
6135 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6136 statement pointers to basic blocks. Add type member.
6137 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6138 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6139 * tree-inline.c (estimate_num_insns_1): Likewise.
6140 * tree-pretty-print.c (dump_generic_node): Likewise.
6141 * tree-ssa-operands.c (get_expr_operands): Likewise.
6142 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6143 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6144 (OMP_CONTINUE): New.
6145 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6146 (OMP_SECTIONS_SECTIONS): Remove.
6147 (OMP_SECTION_LAST): New.
6148 (OMP_RETURN_NOWAIT): New.
6150 2006-04-13 Roger Sayle <roger@eyesopen.com>
6152 * fold-const.c (native_encode_vector, native_interpret_real):
6153 Correct obvious mistakes in the previous check-in.
6155 2006-04-13 Roger Sayle <roger@eyesopen.com>
6157 * fold-const.c (native_encode_expr): New function to encode
6158 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6159 or VECTOR_CST into a specified buffer.
6160 (native_encode_int): New function.
6161 (native_encode_real): New function.
6162 (native_encode_complex): New function.
6163 (native_encode_vector): New function.
6164 (native_interpret_expr): Inverse of native_encode_expr to convert
6165 a target representation into an INTEGER_CST, REAL_CST etc...
6166 (native_interpret_int): New function.
6167 (native_interpret_real): New function.
6168 (native_interpret_complex): New function.
6169 (native_interpret_vector): New function.
6170 (fold_view_convert_expr): New function to constant fold/evaluate
6171 a VIEW_CONVERT_EXPR of a suitable constant expression.
6172 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6173 Change call of build1 to fold_build1 when constructing a
6176 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6177 Ulrich Weigand <uweigand@de.ibm.com>
6180 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6183 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6186 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6187 optimize to lo_sum for DFmode if !TARGET_FPRS.
6189 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6191 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6192 delete_alias_info, compute_flow_sensitive_aliasing,
6193 group_aliases): Use VEC instead of VARRAY.
6194 * tree-ssa-structalias.c (update_alias_info): Likewise.
6195 * tree-ssa-structalias.h (alias_info): Change the type of
6196 processed_ptrs to VEC(tree,heap) *.
6198 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6201 * config/sh/lib1funcs.h: New file, broken out of:
6202 * config/sh/lib1funcs.asm.
6203 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6205 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6206 * config/sh/lib1funcs-Os-4-200.asm: New file.
6207 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6208 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6209 (EXTRA_MULTILIB_PARTS): Include it.
6210 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6211 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6212 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6213 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6216 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6218 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6219 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6220 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6222 * tree-ssa-live.h: Include vecprim.h.
6223 (tree_partition_associator_d): Change the type of
6224 first_partition to VEC(int,heap) *.
6225 (tpa_first_partition): Use VEC instead of VARRAY.
6227 * Makefile.in (GTFILES): Move functions.h after tree.h.
6228 * function.c (reset_block_changes, record_block_change,
6229 check_block_change, free_block_changes): Use VEC instead of
6231 * function.h (function): Change the type of
6232 ib_boundaries_block to VEC(tree,gc) *.
6233 * tree-inline.c (copy_cfg_body): Initialize
6234 ib_boundaries_block to NULL instead of (varray_type) 0.
6236 2006-04-12 Roger Sayle <roger@eyesopen.com>
6238 * expr.c (emit_group_store): Correct operand order in call to
6239 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6240 a SUBREG_BYTE of zero.
6242 2006-04-12 Richard Guenther <rguenther@suse.de>
6244 * profile.c (compute_branch_probabilities): Remove code
6245 encapsulated in !ir_type (), which are remanents of the
6246 removed RTL profiling code.
6247 * rtl-profile.c: Remove.
6249 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6251 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6252 magic NULL_RTX comment.
6253 (function_arg): Store entire fp arg to mem if any part should go
6255 (rs6000_arg_partial_bytes): Adjust for above change.
6257 2006-04-11 Roger Sayle <roger@eyesopen.com>
6259 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6260 if it hasn't been initialized by dwarf2out_init.
6262 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6264 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6265 symbolic constants in branch patterns.
6267 2006-04-11 Roger Sayle <roger@eyesopen.com>
6269 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6271 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6273 PR rtl-optimization/27073
6274 * gcse.c (try_replace_reg): Revert last change. Continue to search
6275 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6278 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6280 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6281 aggregate types other than record and union types.
6282 (function_arg): Likewise.
6283 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6285 (function_value): In 64-bit mode, return objects that require it
6288 2006-04-11 Roger Sayle <roger@eyesopen.com>
6290 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6292 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6294 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6296 2006-04-03 Jeff Law <law@redhat.com>
6299 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6300 alias information too.
6302 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6304 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6306 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6309 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6310 (premark_used_types_helper): New.
6311 (premark_used_types): New.
6312 (gen_subprogram_die): Call premark_used_types.
6313 (prune_unused_types_walk): Do not prune perennial dies.
6314 * function.c (used_types_insert): New.
6315 * function.h (struct function): Add used_types_hash field.
6316 (used_types_insert): Add prototype.
6317 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6318 * c-parser.c (c_parser_cast_expression): Save casted types in used
6321 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6324 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6325 rs6000_explicit_options.float_gprs.
6327 2006-04-10 Roger Sayle <roger@eyesopen.com>
6329 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6330 from ix86_expand_vector_init_low_nonzero. Take an additional
6331 one_var argument indicating which element is non-zero. Support
6332 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6333 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6334 with one_var instead of ix86_expand_vector_init_low_nonzero.
6336 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6338 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6339 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6340 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6341 build/genextract.o): Depend on vecprim.h.
6342 * cfglayout.c, df-problems.c, function.c, genextract.c,
6343 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6344 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6348 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6350 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6351 Declare VECs of this type.
6352 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6353 (remove_children): Delete.
6354 (add_dwarf_attr): Use VEC routines.
6355 (add_AT_flag): Update for changes to add_dwarf_attr.
6356 (add_AT_int): Likewise.
6357 (add_AT_unsigned): Likewise.
6358 (add_AT_long_long): Likewise.
6359 (add_AT_vec): Likewise.
6360 (add_AT_string): Likewise.
6361 (add_AT_die_ref): Likewise.
6362 (add_AT_fde_ref): Likewise.
6363 (add_AT_loc): Likewise.
6364 (add_AT_loc_list): Likewise.
6365 (add_AT_addr): Likewise.
6366 (add_AT_lbl_id): Likewise.
6367 (add_AT_lineptr): Likewise.
6368 (add_AT_macptr): Likewise.
6369 (add_AT_offset): Likewise.
6370 (add_AT_range_list): Likewise.
6371 (get_AT): Use VEC_iterate.
6372 (remove_AT): Use VEC_ordered_remove.
6373 (free_die): Fold remove_children into here; have it use VEC_iterate.
6374 (print_die): Use VEC_iterate on attrs.
6375 (reverse_die_lists): Don't reverse attr lists.
6376 (die_checksum): Use VEC_iterate on attrs.
6377 (same_die_p): Likewise.
6378 (output_location_lists): Likewise.
6379 (build_abbrev_table): Likewise.
6380 (size_of_die): Likewise.
6381 (unmark_all_dies): Likewise.
6382 (output_abbrev_section): Likewise.
6383 (output_die): Likewise.
6384 (prune_unused_types_walk_attribs): Likewise.
6386 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6388 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6390 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6393 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6395 2006-04-09 Roger Sayle <roger@eyesopen.com>
6397 * expr.c (store_constructor): Don't bother clearing target if
6398 we're about to assign a vector to it using vec_init_optab.
6400 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6402 * tree-ssa-alias.c (lhs_may_store_to): New function.
6403 (recalculate_used_alone): Handle LHS of calls.
6405 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6409 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6410 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6411 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6412 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6413 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6414 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6415 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6416 stubs. Add ".align 8" directives before all ".dword" directives.
6417 (GTHREAD_USE_WEAK): Revise comment.
6418 (TARGET_ATTRIBUTE_WEAK): Define.
6419 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6420 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6421 * stublib.c: New file.
6426 * pa.md (cbranch patterns): Revise arguments used in calls to
6427 output_cbranch, output_bb and output_bvd. Add long branch length
6429 (fbranch patterns): Handle long branches.
6430 (jump): Revise length check. Revise arguments for output_lbranch call.
6431 Add long branch length attributes.
6432 (decrement_and_branch_until_zero): Add long branch length attributes.
6433 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6434 Likewise. Revise arguments for output_parallel_addb and
6435 output_parallel_movb calls.
6436 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6437 output_parallel_movb and output_parallel_addb): Update prototypes.
6438 * pa.c (output_cbranch): Revise arguments. Correct handling of
6439 nullification in long branches.
6440 (output_lbranch): Add new argument to control extraction of delay
6442 (output_bb): Handle long branches.
6443 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6444 output_parallel_addb): Likewise.
6446 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6448 PR rtl-optimization/27073
6449 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6452 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6454 * tree.h (tree_memory_tag): Add old_used_alone.
6455 (SMT_OLD_USED_ALONE): New macro.
6456 * tree-ssa-alias.c (recalculate_used_alone): Stop
6457 marking things for renaming unnecessarily.
6459 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6461 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6462 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6463 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6464 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6465 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6466 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6467 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6468 spelling convensions.
6469 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6470 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6471 typos. Follow spelling conventions.
6473 2006-04-07 DJ Delorie <dj@redhat.com>
6475 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6476 passed on the stack.
6477 (m32c_init_cumulative_args): When a function returns a structure,
6478 always pass the pointer to that return area on the stack.
6479 (m32c_function_arg_advance): Don't increment the parameter number
6480 if we're processing the returned structure pointer.
6481 (pushm_info): Reverse order of registers.
6483 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6485 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6486 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6487 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6488 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6490 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6491 chrec_fold_multiply): Same.
6492 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6493 force_expr_to_var_cost): Same.
6494 * tree-mudflap.c (mf_xform_derefs_1): Same.
6495 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6497 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6499 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6500 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6503 2006-04-07 Jan Hubicka <jh@suse.cz>
6505 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6507 2006-04-07 Richard Guenther <rguenther@suse.de>
6509 PR tree-optimization/26135
6510 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6511 loads for store copy-prop.
6512 (copy_prop_visit_stmt): Likewise.
6514 2006-04-05 Robert Millan <robertmh@gnu.org>
6516 * config/i386/linux.h: Add a comment to mark macros that are
6517 being overriden in config/k*bsd-gnu.h.
6518 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6520 * config/knetbsd-gnu.h: Ditto.
6522 2006-04-06 Jan Hubicka <jh@suse.cz>
6526 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6529 2006-04-06 Mike Stump <mrs@apple.com>
6531 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6532 for HAVE_nonlocal_goto to be consistent.
6533 (expand_builtin_nonlocal_goto): Likewise.
6534 (expand_builtin_strcmp): Use #ifdef instead of #if
6535 for HAVE_cmpstrnsi to be consistent.
6537 2006-04-05 DJ Delorie <dj@redhat.com>
6539 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6542 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6544 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6545 got-relative addressing for anything but SImode.
6547 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6548 even if the calling function doesn't modify them.
6550 2006-04-05 Richard Guenther <rguenther@suse.de>
6552 PR tree-optimization/26919
6553 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6554 to cgraph_estimate_size_after_inlining.
6556 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6558 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6560 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6562 PR tree-optimization/26996
6563 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6564 VECTOR_TYPE variables.
6566 2006-04-05 Richard Guenther <rguenther@suse.de>
6568 PR tree-optimization/26763
6569 * fold-const.c (fold_comparison): Move folding of
6570 PTR + CST CMP PTR + CST ...
6571 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6573 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6575 * doc/install.texi (Prerequisites): Refine some wording on
6576 bootstrapping and ksh.
6577 Move the version numbers of DejaGnu here from the testing section
6578 and fix casing of names.
6579 Fix markup and clarify wording for autogen requirements.
6580 Refer to GCJ instead of just java.
6581 Refer to SVN instead of CVS.
6582 Describe diffutils as useful instead of necessary.
6583 (Downloading the source): Refer to SVN instead of CVS.
6584 Adjust a link to our web site accordingly.
6585 (Configuration): Fix casing of Bison.
6586 (Building): Refer to SVN instead of CVS.
6587 Fix a sentence on the use of Bison and remove duplicate (and
6588 incorrect) version number of Bison requirement.
6589 Remove one redundant list of packages needed for building.
6590 (Specific): Avoid reference to CVS.
6592 2006-04-04 Eric Christopher <echristo@apple.com>
6594 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6595 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6596 (rs6000_handle_struct_attribute): New.
6597 (rs6000_ms_bitfield_layout_p): Ditto.
6599 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6601 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6602 NULL for dso parameter to atexit_common.
6604 2006-04-04 Eric Christopher <echristo@apple.com>
6606 * config/i386/i386.c (machopic_output_stub): Output \t
6607 between instructions and operands.
6609 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6611 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6612 satisfies_constraint_[IL] to explicit tests on value.
6614 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6616 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6617 set_nb_iterations_in_loop): Use build_int_cst instead of
6619 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6620 build_int_cst instead of convert.
6622 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6624 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6625 new value 2 for incoming.
6626 * function.c (expand_function_start): Call struct_value_rtx
6628 * config/sparc/sparc.md: Comment updated_return.
6629 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6630 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6631 struct return if sparc_std_struct_return and incoming is 2.
6632 (print_operand): Do not adjust return if
6633 sparc_std_struct_return.
6635 2006-04-04 Roger Sayle <roger@eyesopen.com>
6637 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6638 convert in the middle-end.
6639 * expr.c (store_expr, store_constructor, get_inner_reference,
6640 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6642 * tree.c (build_range_type): Likewise.
6644 2006-04-04 Tom Tromey <tromey@redhat.com>
6646 * doc/install.texi (Prerequisites): Mention jar.
6648 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6650 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6653 2006-04-04 Matthias Klose <doko@debian.org>
6655 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6659 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6662 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6664 * doc/extend.texi (Function Attributes): Rewrite visibility
6665 attribute documentation.
6666 * doc/invoke.texi (C++ Dialect Options): Rewrite
6667 -fvisibility-inlines-hidden documentation to describe something
6668 entirely different, although in practise compatible.
6669 (Code Gen Options): Warn about system headers in -fvisibility=
6672 * doc/extend.texi (Other Builtins): Document that
6673 __builtin_nan is a compile-time constant only when its argument
6676 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6678 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6679 trying to remove TRUNCATE check if all bits outside the new mode
6680 are identical to the sign bit.
6682 2006-04-03 Jeff Law <law@redhat.com>
6684 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6685 and operand scanning in some common cases.
6687 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6688 Dale Johannesen <dalej@apple.com>
6691 * regclass.c (struct reg_pref): Update documentation.
6692 (regclass): Set prefclass to NO_REGS if memory is the best option.
6693 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6694 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6695 into account. For non-registers, equate an empty preferred
6696 reload class to a `!' in the constraint; move the if clause to
6697 do so after those that reject the insn.
6698 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6700 (find_dummy_reload): Likewise.
6701 * doc/tm.texi (Register Classes): Document what it means
6702 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6703 * config/i386/i386.c (ix86_preferred_reload_class): Force
6704 using SSE registers (and return NO_REGS for floating-point
6705 constants) if math is done with SSE.
6706 (ix86_preferred_output_reload_class): New.
6707 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6708 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6709 * config/i386/i386.md: Remove # register preferences.
6711 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6714 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6715 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6716 the type of nb_iter.
6717 (instantiate_parameters_1): Convert the operands before calling
6718 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6719 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6721 2006-04-02 Roger Sayle <roger@eyesopen.com>
6723 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6724 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6726 * dojump.c (do_jump): Likewise.
6727 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6728 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6729 gimplify_boolean_expr): Likewise.
6730 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6731 * varasm.c (array_size_for_constructor): Likewise.
6732 * tree-object-size.c (compute_object_offset): Likewise.
6734 2006-04-02 Roger Sayle <roger@eyesopen.com>
6737 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6738 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6740 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6742 PR tree-optimization/26939
6743 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6745 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6747 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6748 at_stmt. Convert the type of operands before calling
6749 build_polynomial_chrec.
6750 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6752 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6753 (instantiate_parameters_1): Convert the type of operands before calling
6754 build_polynomial_chrec.
6755 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6756 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6757 reset_evolution_in_loop): Insert asserts to check the types of the
6759 (chrec_type): Moved...
6760 (eq_evolutions_p): Use operand_equal_p.
6761 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6762 the types of the operands.
6763 (chrec_type): ...here.
6764 * tree-data-ref.c (create_data_ref): Convert the operands before
6765 calling chrec_replace_initial_condition.
6766 (same_access_functions, analyze_subscript_affine_affine,
6767 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6768 (compute_subscript_distance, analyze_ziv_subscript,
6769 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6770 analyze_miv_subscript): Convert the operands before calling
6771 chrec_fold_minus or chrec_fold_plus.
6773 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6775 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6776 the dependence_relations vector.
6777 (compute_data_dependences_for_loop): Adjust call to
6778 compute_all_dependences.
6780 2006-04-01 Roger Sayle <roger@eyesopen.com>
6781 Richard Henderson <rth@redhat.com>
6783 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6784 gimple_boolify on the condition before calling gimplify_expr.
6786 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6788 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6789 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6790 the frame size. Update to use the new macros.
6791 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6792 * config/xtensa/ieee754-df.S: Likewise.
6794 2006-03-31 Richard Henderson <rth@redhat.com>
6796 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6797 (make_edges): ... here. Control fallthru creation with a local
6798 variable. Do not play with fake edges.
6799 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6800 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6803 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6805 * dwarf2.h (DW64_CIE_ID): Define.
6806 * dwarf2out.c (DWARF_CIE_ID): Define.
6807 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6808 length header. Use DWARF_CIE_ID.
6809 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6810 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6812 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6814 * config/sh/linux-atomic.asm: New file.
6815 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6817 2006-03-31 DJ Delorie <dj@redhat.com>
6819 * config/m32c/cond.md: Set condition flags properly throughout.
6820 * config/m32c/minmax.md: Likewise.
6821 * config/m32c/prologue.md: Likewise.
6822 * config/m32c/bitops.md: Likewise.
6823 * config/m32c/muldiv.md: Likewise.
6824 * config/m32c/mov.md: Likewise.
6825 * config/m32c/addsub.md: Likewise.
6826 * config/m32c/m32c.md: Likewise.
6827 * config/m32c/jump.md: Likewise.
6828 * config/m32c/shift.md: Likewise.
6830 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6831 conditionally output the pattern for this.
6832 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6833 (m32c_compare_redundant): New.
6834 (m32c_output_compare): New.
6835 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6837 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6838 dest, not src. Allow other 4-byte modes.
6840 2006-03-30 Denis Chertykov <denisc@overta.ru>
6842 * doc/md.texi: Refer to avr/constraints.md instead of
6845 2006-03-30 Roger Sayle <roger@eyesopen.com>
6847 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6848 signed vs. unsigned comparison failures on some hosts.
6850 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6853 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6854 change to FLOAT_REGS.
6856 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6857 (rs6000_override_options): Use it.
6858 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6859 only for -mabi=spe/no-spe and -mabi=altivec.
6861 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6863 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6866 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6868 * Makefile.in: Rename docdir to gcc_docdir.
6870 2006-03-30 Roger Sayle <roger@eyesopen.com>
6873 * expr.c (emit_group_store): Optimize group stores into a pseudo
6874 register by using a paradoxical subreg to initialize the destination
6875 if the first or last member of the group specifies a "low part".
6877 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6880 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6881 * target.h (struct gcc_target.speculate_insn): Change type of the
6882 second parameter to 'int'.
6883 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6884 the second operand of the DEPS_LIST.
6885 (copy_DEPS_LIST_list): Update reference to the second operand of the
6887 * rtl.h (alloc_DEPS_LIST): Update signature.
6888 * sched-int.h (ds_t): Change typedef to 'int'.
6889 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6891 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6893 * haifa-sched.c (try_ready): Change condition to restore
6894 non-speculative pattern of the instruction.
6895 (process_insn_depend_be_in_spec): Code to keep probability of the
6896 speculative dependence non-decreasing.
6898 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6900 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6901 (single_move_for_movmem): ... this. Also change all uses.
6902 (bfin_expand_strmov): Renamed to...
6903 (bfin_expand_movmem): ... this. Also change all uses.
6904 * config/bfin/bfin.md (movstrsi): Renamed to...
6905 (movstrsi): ...this.
6907 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6909 PR tree-optimization/26830
6911 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6912 (copy_prop_visit_stmt): Remove write-only variable ann.
6913 (init_copy_prop): Check variable loop depth here. Do not simulate
6914 memory-tag and virtual operand PHIs except for store copy prop.
6916 2006-03-30 Richard Guenther <rguenther@suse.de>
6918 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6919 variants with double arguments.
6921 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6923 * genpreds.c (write_tm_constrs_h): Delete variable p.
6924 * genconditions.c (write_header): Add tm-constrs.h to included
6926 * genpeep.c (main): Add toplev.h to included headers.
6927 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6928 (build/genpeep.o): Add toplev.h dependency.
6929 * config/rs6000/constraints.md: Add "W" constraint.
6931 2006-03-29 Roger Sayle <roger@eyesopen.com>
6933 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6934 sizes by correctly testing whether the size fits a host integer.
6935 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6936 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6937 SImode range for the default sizetype and bitsizetype.
6939 2006-03-29 Roger Sayle <roger@eyesopen.com>
6941 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6942 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6943 quickly if the argument is already of the correct type.
6944 Call fold_build1 instead of build1. Tidy up blank lines.
6946 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6948 * genemit.c (main): Add tm-constrs.h to included headers.
6949 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6950 * genpeep.c (main): Add tm-constrs.h to included headers.
6951 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6952 (write_tm_constrs_h): this and write complete file.
6953 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6954 (write_insn_preds_c): Add tm-constrs.h to included headers.
6955 (gen_constrs): New variable.
6956 (parse_option): Parse "-c".
6957 (main): Invoke write_tm_constrs_h.
6958 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6959 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6960 (object_out_file): Add tm-constrs.h dependency.
6961 (insn-emit.o): Same.
6962 (insn-output.o): Same.
6963 (insn-peep.o): Same.
6964 (insn-preds.o): Same.
6965 (insn-recog.o): Same.
6966 (tm-constsr.h): New target.
6967 (s-constrs-h): New target.
6969 * config/rs6000/constraints.md: New file.
6970 * config/rs6000/rs6000.c: Include tm-constrs.h.
6971 (num_insn_constant_wide): Convert to satisfies_constraint.
6972 (rs6000_rtx_costs): Convert to satisfies_constraint.
6973 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6974 (CONST_OK_FOR_LETTER_P): Delete.
6975 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6976 (EXTRA_CONSTRAINT): Delete.
6977 (EXTRA_MEMORY_CONSTRAINT): Delete.
6978 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6979 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6980 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6981 satisfies_constraint.
6983 * config/i386/i386.c: Include tm-constrs.h.
6985 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6987 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6988 * tree-data-ref.c (find_data_references_in_loop,
6989 compute_data_dependences_for_loop): Use pointers to VEC.
6990 (analyze_all_data_dependences): Adjust calls.
6991 * tree-data-ref.h (find_data_references_in_loop,
6992 compute_data_dependences_for_loop): Adjust declarations.
6993 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6994 compute_data_dependences_for_loop.
6996 2006-03-29 Paul Brook <paul@codesourcery.com>
6998 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7001 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7003 PR tree-optimization/26859
7004 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7006 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7007 for the step after fold_convert.
7009 2006-03-29 Paul Brook <paul@codesourcery.com>
7011 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7012 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7014 2006-03-29 Paul Brook <paul@codesourcery.com>
7017 * targhooks.c (default_narrow_bitfield): New fuction.
7018 * targhooks.h (default_narrow_bitfield): add prototype.
7019 * target.h (gcc_target): Add narrow_volatile_bitfield.
7020 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7021 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7022 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7023 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7025 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7027 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7029 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7030 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7031 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7032 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7033 (s390_function_arg_float): Allow SDmode and DDmode values to be
7034 passed in floating point registers.
7035 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7036 check with SCALAR_FLOAT_MODE_P.
7037 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7039 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7041 PR tree-optimization/25985
7042 * tree-ssa-loop-niter.c (number_of_iterations_le,
7043 number_of_iterations_ne): Make comments more precise.
7044 (number_of_iterations_cond): Add only_exit argument. Use the
7045 fact that signed variables do not overflow only when only_exit
7047 (loop_only_exit_p): New.
7048 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7049 number_of_iterations_cond.
7051 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7053 PR tree-optimization/26643
7054 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7057 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7059 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7060 (divsi3_i4_int): Likewise.
7062 2006-03-28 Roger Sayle <roger@eyesopen.com>
7064 * expr.c (emit_group_store): Only create a new pseudo reg if the
7065 quantity it needs to hold isn't already a suitable pseudo.
7067 2006-03-28 Jeff Law <law@redhat.com>
7069 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7070 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7072 2006-03-28 Roger Sayle <roger@eyesopen.com>
7074 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7075 the equivalent ~X & Y, and the symmetry related transformations.
7076 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7077 ~X & Y, and symmetry related transforms.
7079 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7081 Revert my 2006-03-27 patches.
7083 2006-03-28 Roger Sayle <roger@eyesopen.com>
7085 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7086 ~(T1)X, when T1 and T2 are integer types of the same precision
7087 and (T2)X isn't an extension.
7089 2006-03-28 Jeff Law <law@redhat.com>
7091 PR tree-optimization/26796
7092 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7093 need EH edge cleanups rather than purging them immediately.
7094 (eliminate_degenerate_phis): Handle queued EH cleanups.
7096 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7098 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7101 2006-03-27 Roger Sayle <roger@eyesopen.com>
7104 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7105 cast BIT_NOT_EXPR operand to the correct type.
7107 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7109 * tree-loop-linear.c: Don't include varray.h.
7110 (gather_interchange_stats, try_interchange_loops,
7111 linear_transform_loops): Use VEC instead of VARRAY.
7112 * lambda-mat.c: Don't include varray.h.
7113 * tree-chrec.c: Same.
7114 * lambda-trans.c: Same.
7115 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7116 VEC instead of VARRAY.
7117 * tree-vectorizer.h: Idem.
7118 * tree-data-ref.c (dump_data_references,
7119 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7120 initialize_data_dependence_relation, finalize_ddr_dependent,
7121 compute_all_dependences, find_data_references_in_loop,
7122 compute_data_dependences_for_loop, analyze_all_data_dependences,
7123 free_dependence_relation, free_dependence_relations,
7124 free_data_refs): Idem.
7125 * tree-data-ref.h (data_reference_p, subscript_p): New.
7126 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7127 VEC instead of VARRAY.
7128 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7129 (find_data_references_in_loop, compute_data_dependences_for_loop,
7130 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7131 dump_data_dependence_relations, free_dependence_relations,
7132 free_data_refs): Adjust declaration.
7133 (lambda_transform_legal_p): Move declaration here...
7134 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7135 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7136 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7137 vect_analyze_data_refs): Use VEC instead of VARRAY.
7138 * lambda.h (lambda_transform_legal_p): ...from here.
7139 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7140 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7141 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7142 tree-chrec.o): Don't depend on VARRAY_H.
7144 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7146 * rtl.def (Copyright): Update date.
7147 (DEPS_LIST): Change type of the second operand to 'int'.
7148 * target.h (Copyright): Update date.
7149 (struct gcc_target.speculate_insn): Change type of the second parameter
7151 * lists.c (Copyright): Update date.
7152 (alloc_DEPS_LIST): Change signature. Update reference to the second
7153 operand of the DEPS_LIST.
7154 (copy_DEPS_LIST_list): Update reference to the second operand of the
7156 * rtl.h (Copyright): Update date.
7157 (alloc_DEPS_LIST): Update signature.
7158 * sched-int.h (Copyright): Update date.
7159 (ds_t): Change typedef to 'int'.
7160 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7162 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7164 * haifa-sched.c (Copyright): Update date.
7165 (try_ready): Change condition to restore non-speculative pattern
7167 (process_insn_depend_be_in_spec): Code to keep probability of the
7168 speculative dependence non-decreasing.
7170 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7172 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7173 shut up the compiler.
7175 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7177 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7178 to use lib prefix for target.
7179 ($(T)libic_invalidate_array_4-200.a): Likewise.
7180 ($(T)libic_invalidate_array_4a.a): Likewise.
7182 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7183 J"orn Rennecke <joern.rennecke@st.com>
7185 * superh.opt: New file.
7186 * sh.c (boardtype, osruntime): Remove.
7187 * superh.h (SUBTARGET_OPTIONS): Remove.
7188 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7190 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7191 arguments with ^ and/or [].
7193 * config.gcc (sh-*-*): Add quoting to account for quirk of
7195 Replace == with = in enable_incomplete_targets test.
7197 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7198 with MASK_LITTLE_ENDIAN.
7200 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7201 * config/sh/sh.opt: Added to some comments.
7202 * config/sh/superh.h: Removed some chaff.
7204 * config/sh/sh.opt: Add m4-[1234]00* options.
7205 * config/sh/sh.c (sh_handle_option): Likewise.
7206 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7207 (ic_invalidate_array_4-100.o): New rule.
7208 ($(T)libic_invalidate_array_4-100.a): Likewise.
7209 (ic_invalidate_array_4-200.o): Likewise.
7210 ($(T)libic_invalidate_array_4-200.a): Likewise.
7211 (ic_invalidate_array_4a.o): Likewise.
7212 ($(T)libic_invalidate_array_4a.a): Likewise.
7213 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7214 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7216 * config/sh/crt1.asm: Merged in profiling code.
7217 * config/sh/superh.h (STARTFILE_SPEC): Override.
7218 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7219 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7220 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7222 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7223 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7224 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7226 * sh.opt (mpretend-cmove): New option.
7227 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7228 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7229 (movsicc): Add TARGET_PRETEND_CMOVE code.
7231 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7233 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7234 s390_class_max_nregs): New function prototypes.
7235 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7236 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7237 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7238 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7240 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7242 * dwarf2out.c (add_location_or_const_value_attribute): Call
7243 tree_add_const_value_attribute if nothing else works.
7244 (reference_to_unused): New.
7245 (rtl_for_decl_init): Use reference_to_unused to decide whether
7246 to output an initializer.
7248 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7251 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7252 peephole removing spe frob_di_df_2.
7254 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7256 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7257 (subscript_dependence_tester_1): Declared.
7258 (print_dir_vectors, print_dist_vectors): New.
7259 (debug_data_dependence_relation): New.
7260 (dump_data_dependence_relation): Print more details.
7261 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7262 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7263 (save_dist_v, save_dir_v, add_outer_distances,
7264 build_classic_dist_vector_1): New.
7265 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7266 Don't test for lambda_vector_lexico_pos.
7267 (same_access_functions, add_multivariate_self_dist,
7268 add_other_self_distances, dir_from_dist): New.
7269 (build_classic_dir_vector): Replace implementation almost identical to
7270 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7272 (subscript_dependence_tester_1): New.
7273 (subscript_dependence_tester): Handle the lexicographically negative
7274 distance vectors by recomputing the dependence relation.
7275 (compute_affine_dependence): Remove parameter loop_nest_depth.
7276 (compute_self_dependence): Don't call compute_subscript_distance.
7277 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7278 Add a parameter for the loop_nest.
7279 (find_loop_nest_1, find_loop_nest): New.
7280 (compute_data_dependences_for_loop): Compute the loop nest, and give
7281 up if the nest is not well formed.
7282 * tree-data-ref.h (loop_p): New.
7283 (struct data_dependence_relation): Replace size_vect field with
7284 loop_nest, a vec of loops.
7285 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7286 (DDR_LOOP_NEST): New.
7287 (print_dir_vectors, print_dist_vectors,
7288 debug_data_dependence_relation): Declared.
7289 (index_in_loop_nest): New.
7290 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7291 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7294 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7296 * simplify-rtx.c (simplify_relational_operation): Call
7297 simplify_relational_operation_1 even if mode is VOIDmode.
7299 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7301 PR tree-optimization/26804
7302 * tree.h (DECL_CALL_CLOBBERED): New macro.
7303 (tree_decl_common): Add call_clobbered_flag.
7304 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7305 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7306 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7307 (mark_non_addressable): Ditto.
7308 * tree-ssa.c (verify_call_clobbered): New function.
7309 (verify_alias_info): Use it.
7310 * tree-pass.h (pass_reset_cc_flags): New prototype.
7311 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7312 (reset_cc_flags): New function.
7313 * passes.c (init_optimization_passes): Call reset_cc_flags after
7314 initializing referenced_vars.
7316 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7317 Roger Sayle <roger@eyesopen.com>
7320 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7321 to 1.0 for non-real operands. Implement A / A optimization for
7324 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7326 * config/i386/i386.c (size_cost): Correct the comment for
7327 cost of storing fp registers.
7328 (i386_cost): Likewise.
7329 (i486_cost): Likewise.
7330 (pentium_cost): Likewise.
7331 (pentiumpro_cost): Likewise.
7332 (k6_cost): Likewise.
7333 (athlon_cost): Likewise.
7334 (k8_cost): Likewise.
7335 (pentium4_cost): Likewise.
7336 (nocona_cost): Likewise.
7337 (generic64_cost): Likewise.
7338 (generic32_cost): Likewise.
7340 2006-03-24 Denis Chertykov <denisc@overta.ru>
7342 * config/avr/avr-protos.h (extra_constraint): Delete.
7343 (extra_constraint_Q): New declaration.
7344 * config/avr/constraints.md: New file.
7345 * config/avr/avr.md: Include it.
7346 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7347 (TMP_REGNO, ZERO_REGNO): Likewise.
7348 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7349 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7350 (extra_constraint): Delete.
7351 (extra_constraint_Q): Test for memory constraint 'Q'.
7352 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7353 (REG_CLASS_FROM_LETTER): Delete.
7354 (CONST_OK_FOR_LETTER_P): Delete.
7355 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7356 (EXTRA_CONSTRAINT): Delete.
7357 (TMP_REGNO): Delete.
7358 (ZERO_REGNO): Delete.
7360 2006-03-24 Jeff Law <law@redhat.com>
7362 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7363 directly. Call mark_new_vars_to_rename slightly earlier.
7365 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7367 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7369 (gen_compile_unit_die): Use new language types for Objective-C and
7371 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7372 DW_LANG_C_plus_plus.
7375 * config/t-darwin (crt3.o): Work around bug 26840.
7376 * config/darwin-crt3.c: Rewrite.
7377 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7379 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7381 * doc/invoke.texi: Document -femit-class-debug-always
7382 * common.opt: Add -femit-class-debug-always.
7384 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7386 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7387 index and base register.
7388 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7389 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7390 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7391 REGNO_OK_FOR_INDEX_P.
7392 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7394 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7395 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7396 REG_OK_FOR_BASE_P): Definitions removed.
7398 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7401 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7402 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7403 set yet or weren't marked as local yet.
7405 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7407 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7410 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7412 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7413 (rs6000_legitimate_small_data_p): Delete.
7414 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7415 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7416 and make static. Add forward declaration. Update uses.
7417 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7418 of offsettable_memref_p.
7419 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7420 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7422 2006-03-24 Jeff Law <law@redhat.com>
7424 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7425 around bug in immediate-use iterator.
7427 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7430 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7431 or __LITTLE_ENDIAN__.
7433 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7435 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7436 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7437 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7438 * config/sh/sh.opt (mdiv=): Amend description.
7439 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7440 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7441 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7442 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7443 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7444 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7445 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7446 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7447 TARGET_DIVIDE_CALL_FP.
7449 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7451 * haifa-sched.c (choose_ready): Fix type of the local variable.
7452 Move local variables. Add comment.
7453 (check_reg_live): Change signature. Make callable from debugger.
7454 * sched-int.h (check_reg_live): Update signature.
7455 * sched-ebb.c (check_reg_live): Update parameters.
7456 * sched-rgn.c (check_reg_live): Ditto.
7457 (region_head_or_leaf_p): Check pointer before dereferencing.
7458 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7459 before reload on optimization levels below 1.
7461 2006-03-23 Richard Henderson <rth@redhat.com>
7463 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7467 * config/alpha/predicates.md (local_symbolic_operand): Reject
7470 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7473 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7474 expressions which have overflowed constants.
7476 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7478 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7480 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7482 * cfgloopmanip.c (create_loop_notes): Removed.
7483 * final.c (final_scan_insn): Do not handle loop notes.
7484 * jump.c (squeeze_notes): Ditto.
7485 * cfglayout.c (skip_insns_after_block,
7486 duplicate_insn_chain): Ditto.
7487 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7489 * cfgloop.h (create_loop_notes): Declaration removed.
7491 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7493 * varasm.c (output_constant_pool): Restore fnname and fndecl
7495 (assemble_start_function): Adjust call accordingly.
7496 (assemble_end_function): Likewise.
7498 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7501 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7504 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7506 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7509 * system.h (ICE_EXIT_CODE): New macro.
7510 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7511 (diagnostic_action_after_output): Likewise.
7512 * gcc.c (fatal_ice): New function.
7513 (execute): Use it instead of fatal.
7514 (fancy_abort): Likewise.
7515 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7517 2006-03-22 Jeff Law <law@redhat.com>
7519 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7520 iv_analyze_result returning false.
7522 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7524 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7526 2006-03-22 Richard Henderson <rth@redhat.com>
7529 * except.c (duplicate_eh_regions_0): New.
7530 (duplicate_eh_region_1): Duplicate the children of the node as
7531 well as the node itself. Link them up properly.
7532 (duplicate_eh_region_2): Merge into ...
7533 (duplicate_eh_regions): ... here. Take copy_region argument, and
7534 copy only a sub-tree if asked. Simplify copying and fixup.
7535 (eh_region_outer_p): New.
7536 * except.h (duplicate_eh_regions): Update decl.
7537 (eh_region_outer_p): Declare.
7538 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7539 (lower_omp_master): Likewise.
7540 (lower_omp_ordered): Likewise.
7541 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7542 (move_stmt_r): Use it to remap labels. Handle recursion vs
7543 remap_decls_p properly.
7544 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7545 (find_outermost_region_in_block): New.
7546 (new_label_mapper): New.
7547 (move_sese_region_to_fn): Copy eh information to the new function
7549 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7551 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7554 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7556 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7557 into shared libraries.
7559 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7561 * doc/md.texi: Refer to i386/constraints.md instead of
7563 * config/i386/constraints.md: New file, extracted from...
7564 * config/i386/predicates.md: ...here.
7565 * config/i386/i386.md: Include constraints.md.
7567 2006-03-21 Jason Merrill <jason@redhat.com>
7569 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7572 * expr.c (init_block_move_fn): Force default visibility.
7573 (init_block_clear_fn): Likewise.
7574 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7575 * targhooks.c (default_external_stack_protect_fail): Likewise.
7577 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7579 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7580 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7581 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7582 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7583 (loadgp): Use mips_current_loadgp_style.
7584 (loadgp_noshared): New pattern.
7585 (sibcall_internal): Use MIPS_CALL.
7586 (sibcall_value_internal): Likewise.
7587 (sibcall_value_multiple_internal): Likewise.
7588 (call_internal): Likewise.
7589 (call_value_internal): Likewise.
7590 (call_value_multiple_internal): Likewise.
7591 (call_split): Use MIPS_CALL and add an 'S' constraint.
7592 (call_value_split): Likewise.
7593 (call_value_multiple_split): Likewise.
7594 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7595 (-mshared): New option.
7596 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7597 (mips_current_loadgp_style): Declare.
7598 * config/mips/mips.c (mips_classify_symbol): Avoid using
7599 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7600 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7601 TARGET_ABSOLUTE_ABICALLS.
7602 (override_options): Adjust comments. Improve the warning that is
7603 issued when -mabicalls and -G are used together.
7604 (mips_file_start): Remove comment.
7605 (mips_current_loadgp_style): New function.
7606 (mips_gnu_local_gp): New variable.
7607 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7609 (mips_output_function_prologue): Use mips_current_laodgp_style.
7610 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7611 the cprestore instruction.
7612 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7613 live for TARGET_ABSOLUTE_ABICALLS.
7614 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7615 (ASM_SPEC): Pass down -mshared and -mno-shared.
7616 (MIPS_CALL): New macro.
7617 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7619 * doc/invoke.texi (-mabicalls): Update documentation.
7620 (-mshared): Document.
7622 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7624 * config/ia64/unwind-hpux.c: New file.
7625 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7627 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7630 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7632 2006-03-21 Jeff Law <law@redhat.com>
7634 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7635 type conversions of a VR_VARYING source to a wider type.
7637 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7639 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7640 tm_file on Solaris 10 and later.
7641 (sparc64-*-solaris2*): Likewise.
7642 (sparc-*-solaris2*): Likewise.
7643 * config/sol26.h: Rename to config/sol2-6.h.
7644 * config/sol2-10.h: New file.
7646 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7649 * tree-ssa-pre.c (create_component_ref_by_pieces):
7652 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7655 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7656 return it immediately.
7658 2006-03-21 Michael Matz <matz@suse.de>
7660 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7662 (remove_arc, add_arc): Update num_out_arcs member.
7663 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7665 (cache_presence): New function.
7666 (compare_states_for_equiv): New function.
7667 (state_is_differed): Don't take number of outargs, adjust callers.
7668 Use new invariant for speeding up.
7669 (init_equiv_class): Create initial classes based on sorted
7671 (partition_equiv_class): Don't track out_arcs_num.
7672 (evaluate_equiv_classes): Call cache_presence on all states and
7675 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7677 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7678 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7679 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7680 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7682 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7683 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7684 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7685 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7686 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7688 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7689 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7690 (REGNO_REG_CLASS): ARGP is in PREGS.
7691 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7693 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7694 to deal with those addresses.
7695 * addresses.h: New file.
7696 * caller-save.c: Include "addresses.h".
7697 (init_caller_save): Use new base_reg_class function.
7698 * rtl-factoring.c: Include "addresses.h".
7699 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7700 * recog.c: Include "addresses.h".
7701 (preprocess_constraints): Use new base_reg_class function.
7702 * regrename.c: Include "addresses.h".
7703 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7704 functions. Keep track of a new var INDEX_CODE to compute valid
7706 (replace_oldest_value_addr): Likewise.
7707 (replace_oldest_value_mem): Use base_reg_class.
7708 * reload.c: Include "addresses.h".
7709 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7710 (find_reloads): Use new base_reg_class function.
7711 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7712 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7713 all callers and prototype changed.
7714 * reload1.c: Include "addresses.h".
7715 (maybe_fix_stack_asms): Use base_reg_class.
7716 * regclass.c: Include "addresses.h".
7717 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7718 (init_reg_autoinc): Use new base_reg_class function.
7719 (record_reg_classes): Likewise.
7720 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7721 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7722 Use new args to compute necessary class.
7724 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7725 regrename.o, rtl-factoring.o): Update dependencies.
7726 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7727 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7728 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7729 REG_OK_FOR_INDEX_P): Delete documentation.
7731 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7733 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7734 from V7 to V9 for Solaris 7 and above.
7736 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7738 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7739 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7740 argument pointers may not alias any other storage.
7741 * common.opt: Define option -fargument-noalias-anything.
7742 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7743 alias semantics is specified by flag_argument_noalias > 2.
7745 2006-03-20 Jeff Law <law@redhat.com>
7747 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7748 (pass_phi_only_cprop): Declare.
7749 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7751 * tree-ssa-dom.c (degenerate_phi_result): New function.
7752 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7753 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7754 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7755 (eliminate_degenerate_phis): Likewise.
7756 (pass_phi_only_cprop): New pass descriptor.
7757 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7758 support code. Callers updated.
7759 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7760 (store_copy_prop): Likewise.
7761 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7763 2006-03-20 Jason Merrill <jason@redhat.com>
7766 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7767 (push_visibility, pop_visibility): Likewise.
7768 * c-pragma.h: Declare them.
7770 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7772 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7774 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7775 parameter and use get_ebb_head_tail.
7776 (sh_md_init_global): Adjust uses of find_regmode_weight.
7778 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7780 * function.h (struct function) <x_tail_recursion_reentry>:
7781 Rename to x_stack_check_probe_note.
7782 (tail_recursion_reentry): Rename to stack_check_probe_note.
7783 * function.c: Replace tail_recursion_reentry with
7784 stack_check_probe_note everywhere.
7785 (expand_function_start): Only emit a note for
7786 stack_check_probe_note with -fstack-protect.
7787 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7789 * emit-rtl.c (remove_unnecessary_notes): Remove.
7790 (pass_remove_unnecessary_notes): Remove.
7791 * rtl.h (remove_unnecessary_notes): Remove prototype.
7792 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7793 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7794 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7796 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7799 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7800 (valid_in_set): Handle ARRAY_REF.
7801 Change "if min_variant or VH" to asserts.
7802 (create_component_ref_by_pieces): Handle ARRAY_REF.
7803 (create_expression_by_pieces): Likewise.
7804 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7806 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7808 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7809 is operand of switch, not str[0].
7811 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7813 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7814 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7816 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7818 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7819 end of insn_extra_address_constraint declaration.
7821 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7823 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7824 (no-sum-in-toc): Same.
7825 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7827 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7828 NO_FP_IN_TOC for -fPIC instead of mask.
7830 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7831 (BOOT_LDFLAGS): Delete.
7833 * config/rs6000/t-aix52: Same.
7835 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7836 (stmsi[345678]_power): New.
7838 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7840 * config/ia64/ia64.opt: Add empty line to end of file.
7842 2006-03-17 Richard Guenther <rguenther@suse.de>
7845 * builtins.c (get_pointer_alignment): For component style references
7846 adjust alignment to the component type alignment. Make sure
7847 to adjust alignment for component access of constants.
7849 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7851 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7854 2006-03-17 Paul Brook <paul@codesourcery.com>
7856 * doc/install.texi: Docuemnt --with-mode.
7857 * config.gcc: Add --with-mode for arm*-*-*.
7858 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7860 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7862 * sh.c (max_labelno_before_reorg): New variable.
7863 (sh_reorg): Initialize it.
7864 (find_barrier): Check max_labelno_before_reorg before using
7865 label_to_alignment. Take length of explicit alignment insns
7866 into account. When seeing a UNSPECV_CONST_END, return it.
7868 * sh.c (fixup_mova): Set mode of affected label to QImode.
7869 (untangle_mova): New function.
7870 (find_barrier): Use it. Check mode of label before decrementing
7872 (sh_reorg): Likewise.
7873 Set mode of all insns back to VOIDmode.
7875 * sh.c (MOVA_LABELREF): New macro.
7876 (mova_p, fixup_mova, sh_reorg): Use it.
7877 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7878 ADDR_DIFF_VEC matches mova.
7880 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7882 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7883 with ATTRIBUTE_UNUSED.
7885 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7887 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7888 pointer, instead of assuming it is possible to derive the
7889 correct args size from a call insn.
7891 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7893 * rtl.h (CONST_INT_P): Define.
7894 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7895 instead of GET_CODE(x) == CONST_INT.
7896 (vax_rtx_costs): Likewise.
7897 (vax_output_int_move): Likewise.
7898 (vax_output_int_add): Likewise.
7899 (legitimate_constant_address_p): Likewise.
7900 (index_term_p): Likewise.
7901 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7902 * config/vax/vax.md (and<mode>3): Likewise.
7903 (ashrsi3): Likewise.
7905 (movstricthi): Likewise.
7906 (movstrictqi): Likewise.
7907 (rotrsi3): Likewise.
7908 (five unnamed insns): Likewise.
7910 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7912 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7913 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7914 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7915 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7916 Pass to ASM_OUTPUT_DWARF_OFFSET.
7917 * dwarf2out.c (debug_frame_section): New.
7918 (output_call_frame_info): Use debug_frame_section. Pass it to
7919 dw2_asm_output_offset.
7920 (output_die): Pass appropriate section to dw2_asm_output_offset.
7921 (output_compilation_unit_header): Likewise.
7922 (output_pubnames): Likewise.
7923 (output_aranges): Likewise.
7924 (enum dw_val_class): Break dw_val_class_lbl_offset into
7925 dw_val_class_lineptr and dw_val_class_macptr.
7926 (add_AT_lbl_offset): Delete.
7927 (add_AT_lineptr): New.
7928 (add_AT_macptr): New.
7929 (AT_lbl): Expect a lineptr or macptr.
7930 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7931 (attr_checksum): Likewise.
7932 (same_dw_val_p): Likewise.
7933 (size_of_die): Likewise.
7934 (value_format): Likewise.
7935 (output_die): Likewise.
7936 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7938 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7939 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7940 * config/darwin-protos.h (darwin_file_start): New.
7941 (darwin_asm_output_dwarf_offset): New.
7942 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7943 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7945 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7946 if not EH section; simplify.
7947 (darwin_file_start): New.
7948 (darwin_asm_output_dwarf_offset): New.
7949 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7951 (DEBUG_INFO_SECTION): Likewise.
7952 (DEBUG_ABBREV_SECTION): Likewise.
7953 (DEBUG_ARANGES_SECTION): Likewise.
7954 (DEBUG_MACINFO_SECTION): Likewise.
7955 (DEBUG_LINE_SECTION): Likewise.
7956 (DEBUG_LOC_SECTION): Likewise.
7957 (DEBUG_PUBNAMES_SECTION): Likewise.
7958 (DEBUG_STR_SECTION): Likewise.
7959 (DEBUG_RANGES_SECTION): Likewise.
7960 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7961 (ASM_OUTPUT_DWARF_OFFSET): New.
7963 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7965 * config.gcc (tm_defines): Always add to previous value rather
7968 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7970 * config/mips/predicates.md (splittable_const_int_operand): New,
7971 split from move_operand.
7972 (splittable_symbolic_operand): New.
7973 (move_operand): Add commentary. Use splittable_const_int_operand.
7974 Inline mips_atomic_symbolic_constant_p.
7975 * config/mips/mips.md: Add combine splitters for handling moves
7976 of splittable_const_int_operands and splittable_symbolic_operands.
7977 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7978 (mips_split_symbol): Declare.
7979 (mips_move_integer): Declare.
7980 * config/mips/mips.c (mips_split_p): Make global.
7981 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7982 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7983 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7984 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7985 (mips_offset_within_object_p): Handle block symbols.
7986 (mips_atomic_symbolic_constant_p): Delete.
7987 (mips_cannot_force_const_mem): Return false for constants that
7988 mips_legitimize_move can handle.
7989 (mips_use_blocks_for_constant_p): New function.
7990 (mips_split_symbol): Make global.
7991 (mips_move_integer): Likewise. Add a temporary register argument.
7992 (mips_legitimize_const_move): Use splittable_const_int_operand and
7993 splittable_symbolic_operand.
7994 (mips_use_anchors_for_symbol_p): New function.
7995 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7996 (mips_split_p): Declare.
7998 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8000 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8001 (mips*-*-linux*): Likewise.
8003 2006-03-16 Roger Sayle <roger@eyesopen.com>
8004 Daniel Speyer <dspeyer@wam.umd.edu>
8007 * tree-dump.c (dump_real): New function.
8008 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8009 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8010 (tree-dump.o): Add $(REAL_H) to the dependencies.
8012 2006-03-16 Roger Sayle <roger@eyesopen.com>
8015 * real.c (real_from_string): If the mantissa is zero, don't bother
8016 parsing the exponent as the result should always be zero.
8018 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8020 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8022 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8024 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8025 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8026 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8027 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8028 ia64_sched_finish_global): New static functions to implement
8029 hooks from gcc_target.sched.
8030 (spec_check_no, max_uid, pending_data_specs): New static variables.
8031 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8032 ia64_spec_check_src_p): New static functions.
8033 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8034 (TARGET_SCHED_ADJUST_COST): Removed.
8035 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8036 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8037 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8038 TARGET_SCHED_GEN_CHECK,
8039 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8040 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8041 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8042 Fixed to handle speculation checks.
8043 (rtx_needs_barrier): Fixed to handle speculative loads and
8045 (ia64_variable_issue): Added code to count speculative loads and their
8047 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8049 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8051 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8053 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8054 (ia64_reorg): Reset stops_p to NULL after it is freed.
8055 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8056 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8057 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8059 (data_speculative, control_speculative, check_load): New attributes.
8060 (mov<mode>_advanced, mov<mode>_speculative,
8061 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8062 zero_extend<mode>di2_speculative,
8063 zero_extend<mode>di2_speculative_advanced): New patterns for
8064 data and control speculative loads.
8065 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8067 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8068 New pattern for data and control speculation checks.
8069 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8070 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8071 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8072 Auxiliary definitions for the patterns.
8073 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8074 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8076 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8078 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8079 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8080 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8081 New resource constraints.
8082 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8084 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8085 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8086 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8087 msched-in-control-spec, msched-ldc, msched-control-ldc,
8088 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8089 msched-prefer-non-control-spec-insns,
8090 msched-count-spec-in-critical-path): New flags to tune speculative
8092 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8093 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8094 msched-in-control-spec, msched-ldc, msched-control-ldc,
8095 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8096 msched-prefer-non-control-spec-insns,
8097 msched-count-spec-in-critical-path): Document new flags.
8099 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8101 * target.h (struct spec_info_def): New opaque declaration.
8102 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8103 speculate_insn, needs_block_p, gen_check,
8104 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8105 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8106 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8107 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8108 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8109 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8111 (TARGET_SCHED): Use new macros.
8112 * rtl.h (copy_DEPS_LIST_list): New prototype.
8113 * sched-int.h (struct sched_info): Change signature of new_ready field,
8114 adjust all initializations. New fields: add_remove_insn,
8115 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8116 region_head_or_leaf_p.
8117 (struct spec_info_def): New structure declaration.
8118 (spec_info_t): New typedef.
8119 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8120 recovery_block, orig_pat.
8121 (glat_start, glat_end): New variables declaraions.
8122 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8124 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8125 DETACH_LIFE_INFO, USE_GLAT.
8126 (enum SPEC_SCHED_FLAGS): New enumeration.
8127 (NOTE_NOTE_BB_P): New macro.
8128 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8129 attach_life_info, debug_spec_status, check_reg_live): New functions.
8130 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8131 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8133 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8134 * ddg.c (get_block_head_tail): Adjust all uses.
8135 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8136 (sms_sched_info): Initialize new fields.
8137 (contributes_to_priority): Removed.
8138 * haifa-sched.c (params.h): New include.
8139 (get_block_head_tail): Adjust all uses.
8140 (ISSUE_POINTS): New macro.
8141 (glat_start, glat_end): New global variables.
8142 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8143 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8144 old_last_basic_block, before_recovery, current_sched_info_var,
8145 rgn_n_insns, luid): New static variables.
8146 (insn_cost1): New function. Move logic from insn_cost to here.
8147 (find_insn_reg_weight1): New function. Move logic from
8148 find_insn_reg_weight to here.
8149 (reemit_notes, move_insn, max_issue): Change signature.
8150 (move_insn1): Removed.
8151 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8152 extend_bb): New static functions to support extension of scheduler's
8154 (generate_recovery_code, process_insn_depend_be_in_spec,
8155 begin_speculative_block, add_to_speculative_block,
8156 init_before_recovery, create_recovery_block, create_check_block_twin,
8157 fix_recovery_deps): New static functions to support
8158 generation of recovery code.
8159 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8160 restore_bb_notes, move_block_after_check, move_succs): New static
8161 functions to support ebb scheduling.
8162 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8163 functions to support handling of register live information.
8164 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8165 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8166 add_jump_dependencies): New static functions.
8167 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8168 consistancy checking.
8169 (debug_spec_status): New function to call from debugger.
8170 (priority): Added code to handle speculation checks.
8171 (rank_for_schedule): Added code to distinguish speculative instructions.
8172 (schedule_insn): Added code to handle speculation checks.
8173 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8174 Fixed to handle ebbs.
8175 (move_insn): Added code to handle ebb scheduling.
8176 (max_issue): Added code to use ISSUE_POINTS of instructions.
8177 (choose_ready): Added code to choose between speculative and
8178 non-speculative instructions.
8179 (schedule_block): Added code to handle ebb scheduling and scheduling of
8180 speculative instructions.
8181 (sched_init): Initialize new variables.
8182 (sched_finish): Free new variables. Print statistics.
8183 (try_ready): Added code to handle speculative instructions.
8184 * lists.c (copy_DEPS_LIST_list): New function.
8185 * sched-deps.c (extend_dependency_caches): New function. Move logic
8186 from create_dependency_caches to here.
8187 (get_dep_weak, ds_merge): Make global.
8188 * genattr.c (main): Code to output prototype for
8189 dfa_clear_single_insn_cache.
8190 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8191 (output_dfa_clean_insn_cache_func): Code to output
8192 dfa_clear_single_insn_cache function.
8193 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8195 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8197 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8198 New static variables.
8199 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8200 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8202 (ebb_sched_info): Initialize new fields.
8203 (get_block_head_tail): Adjust all uses.
8204 (compute_jump_reg_dependencies): Fixed to use glat_start.
8205 (schedule_ebb): Code to remove unreachable last block.
8206 (schedule_ebbs): Added code to update register live information.
8207 * sched-rgn.c (region_sched_info): Initialize new fields.
8208 (get_block_head_tail): Adjust all uses.
8209 (last_was_jump): Removed. Adjust users.
8210 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8211 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8212 Implement new hooks.
8213 (check_dead_notes1): New static function.
8214 (struct region): New fields: dont_calc_deps, has_real_ebb.
8215 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8216 (BB_TO_BLOCK): Fixed to handle EBBs.
8217 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8218 (ebb_head): New static variable.
8219 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8220 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8222 (compute_dom_prob_ps): New assertion.
8223 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8224 global_live_at_start.
8225 (init_ready_list): New assertions.
8226 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8227 (new_ready): Add support for BEGIN_CONTROL speculation.
8228 (schedule_insns): Fixed code that updates register live information
8230 (schedule_region): Fixed to handle EBBs.
8231 (init_regions): Use extend_regions and check_dead_notes1.
8232 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8233 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8234 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8235 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8236 TARGET_SCHED_GEN_CHECK,
8237 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8238 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8239 * doc/invoke.texi (max-sched-insn-conflict-delay,
8240 sched-spec-prob-cutoff): Document.
8242 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8244 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8245 inter_tick, queue_index.
8246 (struct sched_info): Change signature of init_ready_list field.
8247 Adjust all initializations.
8248 (RESOLVED_DEPS): New access macro.
8249 (ready_add): Remove prototype.
8250 (try_ready): Add prototype.
8251 * sched-rgn.c (init_ready_list): Use try_ready.
8252 (schedule_region): Initialize
8253 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8254 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8255 (init_ready_list): Use try_ready.
8256 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8257 * lists.c (remove_list_elem): Remove `static'.
8258 (remove_free_INSN_LIST_elem): New function.
8259 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8260 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8261 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8263 (readyp): New variable.
8264 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8265 change_queue_index, resolve_dep): New static functions.
8266 (try_ready): New function. Adjust callers in sched-rgn.c and
8267 sched-ebb.c to use it instead of ready_add.
8268 (clock_var): Move at the begining of file.
8269 (rank_for_schedule): Fix typo.
8270 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8271 (ready_lastpos): Enforce assertion.
8272 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8274 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8275 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8276 (queue_to_ready): Use free_INSN_LIST_list.
8277 (early_queue_to_ready): Fix typo.
8278 (schedule_block): Init readyp. Move init_ready_list call after the
8279 initialization of clock_var. Fix error in rejecting insn by
8280 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8281 that previously corrected INSN_TICKs. Add code for handling
8283 (set_priorities): Fix typo.
8284 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8285 Clarify comment and code that keeps current_sched_info->next_tail
8288 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8290 * sched-rgn.c (extend_rgns): New static function.
8291 (find_rgns): Use it.
8292 (gather_region_statistics, print_region_statistics): New static
8294 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8295 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8297 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8298 Andrey Belevantsev <abel@ispras.ru>
8300 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8301 * lists.c (unused_deps_list): New variable.
8302 (free_list): Add assertions to verify the proper distinguishing
8303 between INSN_LISTs and DEPS_LISTs.
8304 (find_list_elem, remove_list_elem, remove_list_node): New static
8306 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8307 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8308 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8309 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8311 (free_INSN_LIST_node): Likewise.
8312 * modulo-sched.c (current_sched_info): Initialize flags field.
8313 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8314 * rtl.def (DEPS_LIST): Define.
8315 * rtl.h: Declare new functions from lists.c.
8316 * sched-deps.c (spec_dependency_cache): New static variable.
8317 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8318 (add_dependence): Change return type to void. Move the logic to ...
8319 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8320 (delete_all_dependences): Add comment about forward_dependency_cache.
8321 Handle spec_dependency_cache. Handle DEPS_LISTs.
8322 (fixup_sched_groups): Clarify the change of priority of output
8323 and anti dependencies.
8324 (sched_analyze_2): Adjust add_dependence calls to create data
8325 speculative dependence.
8326 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8327 Adjust all callers. Handle DEPS_LISTS.
8328 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8329 presence of speculation.
8330 (init_dependency_caches, free_dependency_caches):
8331 Handle spec_dependency_cache.
8332 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8333 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8334 New static functions.
8335 (add_or_update_back_dep, add_or_update_back_forw_dep,
8336 add_back_forw_dep, delete_back_forw_dep): New functions.
8337 * sched-int.h (ds_t, dw_t): New typedefs.
8338 (struct sched_info): Add new field flags.
8339 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8340 Prototype new sched-deps.c functions.
8341 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8342 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8343 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8344 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8345 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8346 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8348 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8350 * sched-rgn.c (current_sched_info): Initialize flags field.
8351 (schedule_insns): Initialize current_sched_info before the sched_init
8353 * sched-ebb.c (current_sched_info): Initialize flags field.
8354 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8355 Call add_or_update_back_dep instead of add_dependence.
8356 Create control speculative dependencies.
8357 (schedule_insns): Initialize current_sched_info before the sched_init
8360 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8362 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8364 (sh_fallback_frame_state): Likewise.
8366 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8368 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8369 Do switch on default_use_cxa_atexit.
8370 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8371 * config/darwin-crt3.o: New.
8372 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8373 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8374 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8376 * config/rs6000/t-darwin: Move crt2.o building to here.
8377 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8378 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8381 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8383 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8384 from '! xxx' to '!xxx' for coding-style conformance.
8385 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8386 (EXTRA_CONSTRAINT): Likewise.
8387 * config/vax/vax.md (four unnamed insns): Likewise.
8389 2006-03-15 Paul Brook <paul@codesourcery.com>
8391 * config/arm/arm.c (minipool_pad): New.
8392 (add_minipool_forward_ref): Include pool alignment padding in address
8394 (push_minipool_fix): Set minipool_pad.
8395 (minipool_pad): Ditto.
8397 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8399 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8400 instead of GET_CODE() == MEM and REG_P() instead of
8402 (print_operand_address): Likewise.
8403 (vax_address_cost): Likewise.
8404 (vax_rtx_costs): Likewise.
8405 (vax_notice_update_cc): Likewise.
8406 (vax_output_int_add): Likewise.
8407 (INDEX_REGISTER_P): Likewise.
8408 (BASE_REGISTER_P): Likewise.
8409 (nonindexed_address_p): Likewise.
8410 (vax_mode_dependent_address_p): Likewise.
8411 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8412 (PRINT_OPERAND): Likewise.
8413 * config/vax/vax.md (ashlsi3): Likewise.
8414 (ashlsi3): Likewise.
8415 (some more unnamed insns): Likewise.
8417 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8419 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8420 iterator-style macro.
8421 (mark_control_dependent_edges_necessary): Update the use of
8422 EXECUTE_IF_CONTROL_DEPENDENT.
8424 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8426 * config/sh/predicates.md (cache_address_operand): Special.
8427 (ua_address_operand): Likewise.
8429 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8431 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8433 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8435 2006-03-15 Andreas Schwab <schwab@suse.de>
8437 * gensupport.c (identify_predicable_attribute): Don't free p_false
8438 when it is still in use.
8440 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8442 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8443 the default setting here.
8445 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8447 * tree-pass.h (pass_cfg): Remove.
8448 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8449 * passes.c (pass_cfg): Don't run it.
8451 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8453 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8454 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8456 (stack_regs_mentioned): Update the uses of
8457 stack_regs_mentioned_data. Don't access the array beyond its
8459 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8460 Don't include gt-reg-stack.h.
8462 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8463 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8465 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8468 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8471 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8473 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8475 2006-03-14 Richard Guenther <rguenther@suse.de>
8477 PR tree-optimization/26672
8478 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8481 2006-03-14 Richard Guenther <rguenther@suse.de>
8483 PR tree-optimization/26667
8484 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8485 node for the callees. Always allow inlining if it will shrink
8488 2006-03-14 Richard Guenther <rguenther@suse.de>
8491 * builtins.c (get_pointer_alignment): Prefer alignment
8492 information from decls over that from types.
8494 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8497 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8499 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8501 * config/rs6000/rs6000.opt (mdlmzb): New option.
8502 (msched-prolog, msched-epilog): Use Var not Mask.
8503 * doc/invoke.texi (-mdlmzb): Document.
8504 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8506 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8507 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8509 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8511 PR rtl-optimization/25739
8512 * bt-load.c (augment_live_range): Free tos pointer.
8514 * gensupport.c (identify_predicable_attribute): Free
8516 * gcov.c (create_file_names): Free name pointer.
8518 2006-03-13 Roger Sayle <roger@eyesopen.com>
8521 * stmt.c (emit_case_nodes): Handle the case where the index is a
8522 CONST_INT, where the comparison mode is specified by the index type.
8524 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8526 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8529 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8531 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8532 (*branch_fp_inverted): Likewise.
8534 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8537 * omp-low.c (expand_omp_for_generic): Mark istart0
8538 and iend0 as addressable.
8540 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8542 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8544 2006-03-13 Jeff Law <law@redhat.com>
8546 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8547 virtual operands are interesting.
8548 (vrp_visit_stmt): Corresponding changes.
8550 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8552 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8554 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8555 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8556 * config/bfin/crti.S: Use it instead of __PIC__.
8557 * config/bfin/crtn.S: Likewise.
8559 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8560 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8562 Lose 'G' modifier for call operand.
8563 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8564 recognize 'G' modifier.
8566 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8569 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8570 * stmt.c (expand_case): Likewise.
8572 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8574 PR rtl-optimization/26254
8575 * loop-invariant.c (seq_insns_valid_p): New function.
8576 (move_invariant_reg): Only emit new code if it is valid.
8578 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8580 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8582 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8583 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8584 (commit_one_edge_insertion): Do not look for loop notes.
8586 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8588 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8589 flag_test_coverage out of loop.
8591 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8593 * final.c (shorten_branches): Remove outdated comment, and turn
8594 the if branch that guards it to continue.
8596 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8598 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8599 * cfgloop.h (struct loop): Remove unused fields.
8601 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8603 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8604 (-dL, -fdump-rtl-loop2): Update the dump file names
8606 * doc/invoke.texi: Update dump file names.
8608 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8610 * predict.c (estimate_probability): Remove.
8611 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8612 * basic-block.h (estimate_probability): Remove prototype.
8613 * passes.c (finish_optimization_passes): Dump branch prediction or
8614 profiling heuristics to the .profile tree dump.
8615 (init_optimization_passes): Unqueue pass_branch_prob.
8617 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8619 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8621 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8622 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8624 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8626 * function.h (frame_offset_overflow): Declare.
8627 * function.c (frame_offset_overflow): New function.
8628 (assign_stack_local_1): Call it to detect that the offset overflows.
8629 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8631 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8633 * config/sh/sh.c: Include alloc-pool.h.
8634 (label_ref_list_pool): New alloc pool.
8635 (label_ref_list_t): New type for lists of labels.
8636 (struct pool_node): Make wend a label_ref_list_t.
8637 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8639 (dump_table): Likewise.
8640 (sh_reorg): Set up the alloc pool before using add_constant and
8641 dump_table, and destroy it when finishing.
8643 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8645 * config/mips/mips.c: Remove redundant comment.
8647 2006-03-10 Jason Merrill <jason@redhat.com>
8650 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8651 the target was declared 'register'.
8653 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8655 * genpreds.c (write_insn_constraint_len): Change definition of
8656 insn_constraint_len to return size_t to match the declaration.
8658 2006-03-10 DJ Delorie <dj@redhat.com>
8660 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8662 (m32c_expand_insv): Fix test for an AND mask.
8664 2006-03-10 Richard Guenther <rguenther@suse.de>
8667 * builtins.c (get_pointer_alignment): Handle component
8668 references for field alignment.
8670 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8672 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8673 when building with libgloss.
8674 (sh*elf): Implement --without-fp option.
8675 (sh64-superh-linux*): Don't multilib.
8677 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8679 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8681 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8683 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8684 Set it when one of the replacement functions returned true.
8685 Return TODO_cleanup_cfg if cfgchanged is true.
8686 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8688 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8690 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8691 instead of gen_lowpart.
8693 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8695 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8697 (mips_output_order_conditional_branch): Declare.
8698 * config/mips/mips.h (MIPS_BRANCH): New macro.
8699 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8700 for the comparison. Use gen_condjump.
8701 (mips_output_conditional_branch): Rework interface to take the
8702 asm templates for a direct branch and the inverse of a direct branch.
8703 (mips_output_order_conditional_branch): New function.
8704 (mips_builtin_branch_and_move): New function.
8705 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8706 branch condition. Use gen_single_cc as the condition for
8707 __builtin_mips_upper_* or __builtin_mips_lower_*.
8708 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8709 Use VOIDmode for the branch condition.
8710 * config/mips/predicates.md (order_operator): New predicate.
8711 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8712 (branch_fp): Rename to...
8713 (*branch_fp): ...this. Remove mode from comparison operator.
8714 Use new mips_output_conditional_branch interface.
8715 (branch_fp_inverted): Rename to...
8716 (*branch_fp_inverted): ...this and update as for *branch_fp.
8717 (*branch_zero<mode>): Rename to...
8718 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8719 Use mips_output_order_conditional_branch. Only accept ordered
8721 (*branch_zero<mode>_inverted): Rename to...
8722 (*branch_order<mode>_inverted): ...this and update as for
8723 *branch_order<mode>.
8724 (*branch_equality<mode>): Accept zero as the second operand to
8725 the equality operator. Use the new mips_output_conditional_branch
8727 (*branch_equality<mode>_inverted): Likewise.
8728 (condjump): New expander.
8729 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8731 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8732 (bc1any2t, bc1any2f): Likewise.
8733 (single_cc): New expander.
8734 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8736 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8738 * doc/md.texi: Update documentation of MIPS constraints.
8739 * config/mips/constraints.md: New file.
8740 * config/mips/mips.md: Include it.
8741 * config/mips/mips.c (mips_char_to_class): Delete.
8742 (override_options): Don't initialize mips_char_to_class.
8743 * config/mips/mips.h (mips_char_to_class): Delete.
8744 (REG_CLASS_FROM_LETTER): Delete.
8745 (CONST_OK_FOR_LETTER_P): Delete.
8746 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8747 (EXTRA_CONSTRAINT_Y): Delete.
8748 (EXTRA_CONSTRAINT_STR): Delete.
8749 (CONSTRAINT_LEN): Delete.
8750 (EXTRA_MEMORY_CONSTRAINT): Delete.
8752 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8754 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8755 original fn's eh regions.
8757 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8759 * fold-const.c (build_range_check): Make sure to use a valid type to
8760 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8763 (range_predecessor): New static function.
8764 (range_successor): Likewise.
8765 (merge_ranges): Use them to compute predecessors and successors of
8768 2006-03-09 Roger Sayle <roger@eyesopen.com>
8771 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8772 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8774 2006-03-08 DJ Delorie <dj@redhat.com>
8776 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8777 (addpsi3): Expand to include memory operands. Remove
8778 reload-specific splits.
8779 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8780 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8781 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8782 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8783 (shift1_qi, shift1_hi, insv): New.
8784 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8785 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8786 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8788 * config/m32c/m32c-protos.h: Update as needed.
8789 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8790 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8791 Fail for unrecognized R* constraints.
8792 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8793 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8794 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8796 (m32c_init_libfuncs): New.
8797 (m32c_legitimate_address_p): Add debug wrapper.
8798 (m32c_rtx_costs): New.
8799 (m32c_address_cost): New.
8800 (conversions): Add 'B' prefix.
8801 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8802 operands, or word regnames for QI operands. 'B' prints bit
8804 (m32c_expand_setmemhi): New.
8805 (m32c_expand_movmemhi): New.
8806 (m32c_expand_movstr): New.
8807 (m32c_expand_cmpstr): New.
8808 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8809 (m32c_expand_neg_mulpsi3): Handle non-ints.
8810 (m32c_cmp_flg_0): New.
8811 (m32c_expand_movcc): New.
8812 (m32c_expand_insv): New.
8813 (m32c_scc_pattern): New.
8814 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8815 a0/a1 out of SIregs.
8816 (STORE_FLAG_VALUE): New.
8817 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8820 * config/m32c/mov.md: Make constraints more liberal.
8821 (zero_extendqihi2): Optimize r0/r1 case.
8822 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8823 * config/m32c/predicates.md (m32c_any_operand): New.
8824 (m32c_nonimmediate_operand): New.
8825 (m32c_hl_operand): New.
8826 (m32c_r3_operand): New.
8829 (memsym_operand): New.
8830 (memimmed_operand): New.
8831 (a_qi_operand): New.
8832 (m32c_eqne_operator): New.
8833 (m32c_1bit8_operand): New.
8834 (m32c_1bit16_operand): New.
8835 (m32c_1mask8_operand): New.
8836 (m32c_1mask16_operand): New.
8837 * config/m32c/blkmov.md: New file.
8838 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8840 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8842 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8843 unsigned to fix signed/unsigned comparison issue in
8844 DWARF2_FRAME_REG_OUT.
8845 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8846 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8848 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8849 of ptr into the ENABLE_CHECKING section.
8851 2006-03-08 Jeff Law <law@redhat.com>
8853 * tree-vrp.c (infer_value_range): Only count pointer uses
8854 and dereferences if -fdelete-null-pointer-checks is enabled.
8856 * tree-vrp.c (find_assert_locations): Infer value ranges for
8857 single use pointers, but do not create ASSERT_EXPRs for them.
8858 When a non-null range is inferred for a pointer, backwards
8859 propagate that range to other equivalent pointers through the
8862 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8865 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8866 language hook targets.
8867 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8868 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8869 if language hook targets were missing.
8871 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8873 * tree-ssa-opfinalize.h: Removed.
8874 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8876 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8877 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8878 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8879 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8880 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8881 finalize_ssa_v_must_def_ops): New.
8883 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8885 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8888 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8890 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8892 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8893 addresses with offsets; reorganize.
8895 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8896 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8897 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8899 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8902 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8904 2006-03-08 Ben Elliston <bje@au.ibm.com>
8906 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8908 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8911 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8914 2006-03-07 Richard Guenther <rguenther@suse.de>
8916 PR tree-optimization/26587
8917 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8919 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8921 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8923 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8925 * hooks.c (hook_bool_mode_rtx_true): New function.
8926 * hooks.h (hook_bool_mode_rtx_true): Declare.
8927 * toplev.c (compile_file): Call output_shared_constant_pool.
8928 * varasm.c (shared_constant_pool): New variable.
8929 (assemble_start_function, assemble_end_function): Remove arguments
8930 from call to output_constant_pool.
8931 (create_constant_pool): New function, split out from...
8932 (init_varasm_status): ...here.
8933 (force_const_mem): Choose between the shared and per-function constant
8934 pools. Set current_function_uses_const_pool when reusing old entries
8935 as well as when creating new ones.
8936 (mark_constant): Ignore data argument.
8937 (mark_constants): Remove pool argument.
8938 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8939 to decide whether the function uses a constant pool.
8940 (output_constant_pool_contents): New function, split out from...
8941 (output_constant_pool): ...here.
8942 (output_shared_constant_pool): New function.
8943 (init_varasm_once): Initialize shared_constant_pool.
8944 * output.h (output_constant_pool): Delete.
8945 (output_shared_constant_pool): Declare.
8946 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8947 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8949 2006-03-06 Nick Clifton <nickc@redhat.com>
8951 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8952 flag_strength_reduce.
8954 2006-03-06 Ben Elliston <bje@au.ibm.com>
8956 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8957 x86_64-*-linux* configurations.
8959 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8960 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8962 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8964 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8966 * basic-block.h: Remove the extern for
8967 rediscover_loops_after_threading.
8969 * cfgloop.c (cancel_loop): Make it static.
8970 * cfgloop.h: Remove the prototype for cancel_loop.
8972 * flow.c (recompute_reg_usage): Make it static.
8973 * rtl.h: Remove the prototype for recompute_reg_usage.
8975 * function.c (use_return_register): Make it static.
8976 * function.h: Remove the prototype.
8978 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8980 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8982 * recog.h: Remove the prototype for
8983 validate_change_maybe_volatile.
8985 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8987 * rtlanal.c (replace_reg): Remove.
8988 * rtl.h: Remove the prototype for replace_reg.
8990 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8992 * regclass.c (reg_scan_update): Remove.
8993 (reg_scan_mark_refs): Remove the last argument.
8994 * rtl.h: Remove the prototype for reg_scan_update.
8996 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8998 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8999 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9000 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9001 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9002 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9003 loop-invariant.c, omp-low.c, opts.c, passes.c,
9004 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9005 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9006 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9007 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9008 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9009 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9011 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9013 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9014 * dwarf2out.h: Remove the prototype for
9015 dwarf2out_add_library_unit_info.
9017 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9019 * tree.c (add_var_to_bind_expr): Remove.
9020 * tree.h: Remove the prototype for add_var_to_bind_expr.
9022 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9024 * regclass.c (n_non_fixed_regs): Remove.
9025 (init_reg_sets_1, globalize_reg): Remove all uses of
9027 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9029 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9031 * rtlanal.c (insns_safe_to_move_p): Remove.
9032 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9034 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9036 * expmed.c (expand_mult_add): Remove.
9037 * expr.h: Remove the prototype for expand_mult_add.
9039 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9041 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9042 and REG_SAVED_VAL_EXP constants.
9043 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9044 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9045 Handle regs stored by value.
9046 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9047 (execute_cfa_program): Handle DW_CFA_val_offset,
9048 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9049 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9050 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9051 (uw_install_context_1): Handle target regs stored by value.
9053 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9055 * tree-sra.c (tree_sra): Return todoflags;
9056 (generate_one_element): Set TODO_update_smt_usage if needed.
9057 (pass_sra): Remove TODO_update_smt_usage.
9058 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9060 (tree_ssa_forward_propagate_single_use_vars): Return
9061 TODO_update_smt_usage if we need to update SMT usage.
9062 (pass_forwprop): Remove TODO_update_smt_usage.
9064 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9066 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9067 (correct_use_link): Remove reference to get_stmt_operands.
9068 (update_stmt_operands): Likewise.
9069 (get_modify_expr_operands): New function factored out of
9070 parse_ssa_operands and get_expr_operands.
9071 Try to create V_MUST_DEFs for LHS by default.
9072 (get_expr_operands) <case MODIFY_EXPR>: Call
9073 get_modify_expr_operands.
9074 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9075 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9076 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9077 get_modify_expr_operands.
9079 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9081 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9082 * tree-flow.h: Remove the prototype for
9083 referenced_var_lookup_if_exists.
9085 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9087 PR rtl-optimization/26345
9089 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9091 2006-03-03 Roger Sayle <roger@eyesopen.com>
9093 PR tree-optimization/26524
9094 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9095 fold_convert to create a constant of the appropriate type.
9097 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9099 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9100 SYMBOL_REF_IN_BLOCK_P.
9101 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9102 of SYMBOL_FLAG_IN_BLOCK.
9103 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9104 instead of SYMBOL_REF_IN_BLOCK_P.
9105 * explow.c (use_anchored_address): Likewise.
9106 * rtl.c (rtx_size): Likewise.
9107 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9108 instead of SYMBOL_FLAG_IN_BLOCK.
9109 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9110 SYMBOL_REF_IN_BLOCK_P.
9111 (assemble_variable): Likewise.
9112 (output_constant_def_contents): Likewise.
9113 (output_constant_pool): Likewise.
9114 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9115 instead of SYMBOL_FLAG_IN_BLOCK.
9116 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9117 SYMBOL_REF_IN_BLOCK_P.
9118 (SYMBOL_REF_BLOCK): Likewise.
9119 (SYMBOL_REF_OFFSET): Likewise.
9120 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9121 SYMBOL_REF_IN_BLOCK_P.
9122 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9123 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9124 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9125 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9127 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9129 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9131 2006-03-02 Roger Sayle <roger@eyesopen.com>
9133 * simplify-rtx.c (simplify_unary_operation): When simplifying
9134 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9135 that we perform the right shift in the appropriate mode, and
9136 then extend or truncate the result to requested mode.
9138 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9140 * gengtype.c (main): Handle double_int type.
9141 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9142 * double-int.c: New file.
9143 * double-int.h: New file.
9144 * system.h: Include doubleint.h.
9145 * Makefile.in (SYSTEM_H): Include double-int.h.
9146 (double-int.o): Add.
9148 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9151 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9154 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9156 * tree-vrp.c (remove_range_assertions): Do not update statements
9159 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9161 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9163 * gcse.c (rest_of_handle_gcse): Ditto.
9164 * except.c (gate_handle_eh): Ditto.
9165 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9166 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9168 2006-03-02 Eric Christopher <echristo@apple.com>
9170 * config/i386/i386.c (machopic_output_stub): Add indirection to
9173 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9177 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9179 Sun Niagara specific optimizations.
9180 * config.gcc: Recognize niagara as target.
9181 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9182 (TARGET_CPU_niagara): Define.
9183 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9184 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9185 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9186 (ASM_CPU_SPEC): Likewise.
9187 (PROCESSOR_NIAGARA): New enum entry.
9188 (REGISTER_MOVE_COST): Handle Niagara.
9189 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9190 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9191 (sparc_override_options): Recognize "niagara", set appropriate
9192 default MASK_* values for it, and align functions to 32-bytes
9193 by default just like ULTRASPARC/ULTRASPARC3.
9194 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9195 (sparc64_initialize_trampoline): Likewise.
9196 (sparc_use_sched_lookahead): Use zero for niagara.
9197 (sparc_issue_rate): Use one for niagara.
9198 * config/sparc/niagara.md: New file.
9199 * config/sparc/sparc.md: Include it.
9200 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9201 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9202 when default cpu is niagara.
9203 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9204 (ASM_CPU_SPEC): Likewise.
9205 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9206 when default cpu is niagara.
9207 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9208 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9209 just like v9/ultrasparc/ultrasparc3.
9210 * doc/invoke.texi: Add documentation for "niagara" and improve
9211 existing documentation for ultrasparc variants.
9213 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9215 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9217 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9219 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9220 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9221 and say that only one is needed.
9222 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9223 * target.h (have_switchable_bss_sections): New hook.
9224 * explow.c (use_anchored_address): Check that the symbol is in a block.
9225 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9226 (bss_noswitch_section): New variables.
9227 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9228 (get_noswitch_section): New function.
9229 (get_block_for_section): Allow SECT to be null.
9230 (unlikely_text_section_p): Use SECTION_STYLE.
9231 (bss_initializer_p): New function.
9232 (get_variable_section): Move earlier in file. Take a new argument,
9233 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9234 Return one of the new *_sections in such cases.
9235 (get_block_for_decl): New function, extracting some logic from
9236 use_blocks_for_decl_p.
9237 (change_symbol_section): Remove in favor of...
9238 (change_symbol_block): ...this new function.
9239 (use_blocks_for_decl_p): Remove checks now performed by
9241 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9242 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9243 (emit_local, emit_bss, emit_common): ...these new functions.
9244 Return true if the alignment was honored.
9245 (emit_tls_common): New function.
9246 (asm_emit_uninitialised): Delete.
9247 (assemble_variable_noswitch): New function, split out from...
9248 (assemble_variable): ...here. Don't make decisions about common
9249 variables here. Globalize all public decls that go into non-common
9250 sections. Check whether SYMBOL_REF_BLOCK is null.
9251 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9252 (output_constant_pool): Likewise.
9253 (init_varasm_once): Initialize the new section variables.
9254 (have_global_bss_p): New function.
9255 (categorize_decl_for_section): Use bss_initializer_p.
9256 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9257 (place_block_symbol): Assert that the symbol must be in a block.
9258 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9259 (TARGET_INITIALIZER): Include it.
9260 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9261 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9262 (SECTION_MACH_DEP): Bump by two.
9263 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9264 (unnamed_section): Mention SECTION_UNNAMED in comment.
9265 (named_section): Likewise SECTION_NAMED.
9266 (noswitch_section_callback): New type.
9267 (noswitch_section): New structure.
9268 (section): Add a noswitch_section alternative.
9269 (SECTION_STYLE): New macro.
9270 (tls_comm_section, comm_section, lcomm_section): Declare.
9271 (bss_noswitch_section, have_global_bss_p): Declare.
9272 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9273 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9275 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9276 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9279 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9281 * tree-vrp.c (execute_vrp): Return value.
9282 * regrename.c (rest_of_handle_regrename): Ditto.
9283 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9284 * tree-complex.c (tree_lower_complex): Ditto.
9285 (tree_lower_complex_O0): Ditto.
9286 * tracer.c (rest_of_handle_tracer): Ditto.
9287 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9288 * postreload.c (rest_of_handle_postreload): Ditto.
9289 * tree-tailcall.c (execute_tail_recursion): Ditto.
9290 (execute_tail_calls): Ditto.
9291 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9292 * tree.h (init_function_for_compilation): Ditto.
9293 * ipa-cp.c (ipcp_driver): Ditto.
9294 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9295 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9296 * final.c (compute_alignments): Ditto.
9297 (rest_of_handle_final): Ditto.
9298 (rest_of_handle_shorten_branches): Ditto.
9299 (rest_of_clean_state): Ditto.
9300 * omp-low.c (execute_expand_omp): Ditto.
9301 (execute_lower_omp): Ditto.
9302 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9303 * ipa-reference.c (static_execute): Ditto.
9304 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9305 * reorg.c (rest_of_handle_delay_slots): Ditto.
9306 (rest_of_handle_machine_reorg): Ditto.
9307 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9308 * flow.c (recompute_reg_usage): Ditto.
9309 (rest_of_handle_remove_death_notes): Ditto.
9310 (rest_of_handle_life): Ditto.
9311 (rest_of_handle_flow2): Ditto.
9312 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9313 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9314 (do_ssa_store_ccp): Ditto.
9315 (execute_fold_all_builtins): Ditto.
9316 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9317 * modulo-sched.c (rest_of_handle_sms): Ditto.
9318 * ipa-pure-const.c (static_execute): Ditto.
9319 * cse.c (rest_of_handle_cse): Ditto.
9320 (rest_of_handle_cse2): Ditto.
9321 * web.c (rest_of_handle_web): Ditto.
9322 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9323 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9324 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9325 * tree-nrv.c (tree_nrv): Ditto.
9326 (execute_return_slot_opt): Ditto.
9327 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9328 (create_structure_vars): Ditto.
9329 * loop-init.c (rtl_loop_init): Ditto.
9330 (rtl_loop_done): Ditto.
9331 (rtl_move_loop_invariants): Ditto.
9332 (rtl_unswitch): Ditto.
9333 (rtl_unroll_and_peel_loops): Ditto.
9334 (rtl_doloop): Ditto.
9335 * gimple-low.c (lower_function_body): Ditto.
9336 (mark_used_blocks): Ditto.
9337 * tree-ssa-sink.c (execute_sink_code): Ditto.
9338 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9339 (cgraph_early_inlining): Ditto.
9340 * global.c (rest_of_handle_global_alloc): Ditto.
9341 * jump.c (cleanup_barriers): Ditto.
9342 (purge_line_number_notes): Ditto.
9343 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9344 (rest_of_handle_if_after_reload): Ditto.
9345 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9346 (tree_ssa_loop_im): Ditto.
9347 (tree_ssa_loop_unswitch): Ditto.
9348 (tree_vectorize): Ditto.
9349 (tree_linear_transform): Ditto.
9350 (tree_ssa_loop_ivcanon): Ditto.
9351 (tree_ssa_empty_loop): Ditto.
9352 (tree_ssa_loop_bounds): Ditto.
9353 (tree_complete_unroll): Ditto.
9354 (tree_ssa_loop_prefetch): Ditto.
9355 (tree_ssa_loop_ivopts): Ditto.
9356 (tree_ssa_loop_done): Ditto.
9357 * predict.c (tree_estimate_probability): Ditto.
9358 * recog.c (split_all_insns_noflow): Ditto.
9359 (rest_of_handle_peephole2): Ditto.
9360 (rest_of_handle_split_all_insns): Ditto.
9361 * tree-eh.c (lower_eh_constructs): Ditto.
9362 * regmove.c (rest_of_handle_regmove): Ditto.
9363 (rest_of_handle_stack_adjustments): Ditto.
9364 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9365 * function.c (instantiate_virtual_regs): Ditto.
9366 (init_function_for_compilation): Ditto.
9367 (rest_of_handle_check_leaf_regs): Ditto.
9368 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9369 (rest_of_handle_gcse): Ditto.
9370 * ipa-type-escape.c (type_escape_execute): Ditto.
9371 * alias.c (rest_of_handle_cfg): Ditto.
9372 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9373 * profile.c (rest_of_handle_branch_prob): Ditto.
9374 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9375 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9376 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9377 * tree-dfa.c (find_referenced_vars): Ditto.
9378 * except.c (set_nothrow_function_flags): Ditto.
9379 (convert_to_eh_region_ranges): Ditto.
9380 (rest_of_handle_eh): Ditto.
9381 * emit-rtl.c (unshare_all_rtl): Ditto.
9382 (remove_unnecessary_notes): Ditto.
9383 * except.h (set_nothrow_function_flags): Ditto.
9384 (convert_to_eh_region_ranges): Ditto.
9385 * cfgexpand.c (tree_expand_cfg): Ditto.
9386 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9387 * tree-ssa-pre.c (do_pre): Ditto.
9388 (execute_fre): Ditto.
9389 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9390 (rest_of_handle_jump2): Ditto.
9391 * tree-sra.c (tree_sra): Ditto.
9392 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9393 (execute_mudflap_function_decls): Ditto.
9394 * tree-ssa-copy.c (do_copy_prop): Ditto.
9395 (do_store_copy_prop): Ditto.
9396 * ipa-prop.h (ipcp_driver): Ditto.
9397 * cfglayout.c (insn_locators_initialize): Ditto.
9398 * tree-ssa-forwprop.c
9399 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9400 * cfglayout.h (insn_locators_initialize): Ditto.
9401 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9402 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9403 (execute_late_warn_uninitialized): Ditto.
9404 * rtl.h (cleanup_barriers): Ditto.
9405 (split_all_insns_noflow): Ditto.
9406 (purge_line_number_notes): Ditto.
9407 (unshare_all_rtl): Ditto.
9408 (remove_unnecessary_notes): Ditto.
9409 (recompute_reg_usage): Ditto.
9410 (variable_tracking_main): Ditto.
9411 * integrate.c (emit_initial_value_sets): Ditto.
9412 * integrate.h (emit_initial_value_sets): Ditto.
9413 * tree-optimize.c (execute_free_datastructures): Ditto
9414 (execute_free_cfg_annotations): Ditto.
9415 (execute_fixup_cfg): Ditto.
9416 (execute_cleanup_cfg_pre_ipa): Ditto.
9417 (execute_cleanup_cfg_post_optimizing): Ditto.
9418 (execute_init_datastructures): Ditto.
9419 * tree-object-size.c (compute_object_sizes): Ditto.
9420 * combine.c (rest_of_handle_combine): Ditto.
9421 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9422 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9423 (rest_of_handle_reorder_blocks): Ditto.
9424 (rest_of_handle_partition_blocks): Ditto.
9425 * var-tracking.c (variable_tracking_main): Ditto.
9426 * tree-profile.c (tree_profiling): Ditto.
9427 * tree-vect-generic.c (expand_vector_operations): Ditto.
9428 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9429 * sched-rgn.c (rest_of_handle_sched): Ditto.
9430 (rest_of_handle_sched2): Ditto.
9431 * basic-block.h (free_bb_insn): Ditto.
9432 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9433 * tree-cfg.c (execute_build_cfg): Ditto.
9434 (remove_useless_stmts): Ditto.
9435 (split_critical_edges): Ditto.
9436 (execute_warn_function_return): Ditto.
9437 (execute_warn_function_noreturn): Ditto.
9438 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9439 * cfgrtl.c (free_bb_for_insn): Ditto.
9440 * passes.c (execute_one_pass): Run additional
9441 todos returned by execute function.
9442 * tree-pass.h (struct tree_opt_pass): Make execute
9445 2006-03-02 Richard Guenther <rguenther@suse.de>
9447 * tree-ssa-alias.c (find_used_portions): Consider taking
9448 the address as making the variable not write-only.
9450 2006-03-02 Nick Clifton <nickc@redhat.com>
9452 * config.gcc (default_use_cxa_atexit): Extend the description of
9453 this configure variable. Set its default value to "yes" for
9454 Linux, NetBSD and ELF targets on the assumption that they will
9455 use C libraries with the __cxa_atexit function.
9457 2006-03-02 Ben Elliston <bje@au.ibm.com>
9459 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9460 parameter as unused to suppress a build warning.
9462 2006-03-02 Ben Elliston <bje@au.ibm.com>
9464 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9467 2006-03-01 Roger Sayle <roger@eyesopen.com>
9470 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9471 declared name, the weak reference name, and the typeof name.
9472 (__gthrw): Avoid expanding the declared name suffix.
9473 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9475 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9477 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9479 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9480 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9481 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9482 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9483 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9484 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9485 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9486 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9487 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9488 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9489 (DW_END_default, DW_END_big, DW_END_little): New.
9490 (DW_END_lo_user, DW_END_hi_user): Define.
9491 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9492 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9493 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9496 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9498 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9500 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9502 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9504 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9506 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9507 to 'symbol_mem_tag'.
9509 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9512 2006-03-01 Roger Sayle <roger@eyesopen.com>
9514 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9516 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9519 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9520 MACHO_DYNAMIC_NO_PIC_P.
9521 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9523 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9526 * config/darwin-protos.h (darwin_asm_output_anchor):
9528 * config/darwin-sections.def (cstring_section):
9529 Add SECTION_MERGE to the flags.
9530 (literal4_section): Likewise.
9531 (literal8_section): Likewise.
9532 (objc_selector_refs_section): Likewise.
9533 (objc_cls_refs_section): Likewise.
9534 * config/darwin.c (darwin_asm_output_anchor): New
9536 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9538 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9540 Fix PR tree-optimization/26443
9541 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9542 to todo and PROP_tmt_usage to properties_destroyed.
9543 * tree-ssa-ccp.c (pass_ccp): Ditto.
9544 (pass_store_ccp): Ditto.
9545 * tree-ssa-dom.c (pass_dominator): Ditto.
9547 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9549 * tree-ssa-operands.c: Cleanup whitespace.
9550 (get_asm_expr_operands): Move before first invocation.
9551 (get_indirect_ref_operands): Likewise.
9552 (get_tmr_operands): Likewise.
9553 (get_call_expr_operands): Likewise.
9554 (append_def): Likewise.
9555 (append_use): Likewise.
9556 (append_v_may_def): Likewise.
9557 (append_v_must_def): Likewise.
9558 (add_call_clobber_ops): Likewise.
9559 (add_call_read_ops): Likewise.
9560 (add_stmt_operand): Likewise.
9561 (add_virtual_operand): Likewise.
9562 (build_ssa_operands): Likewise.
9564 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9569 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9570 with a call expr to ...
9571 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9573 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9575 * tree-vrp.c (extract_range_from_assert): Remove special
9576 handling for types with super-types.
9578 2006-03-01 Ben Elliston <bje@au.ibm.com>
9580 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9581 and powerpc64-*-linux* configurations.
9582 * config/t-dfprules: New file.
9584 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9585 Compile dfp-bit.c from the source directory using -DWIDTH and
9586 $DFP_CFLAGS to control the compilation of that file, rather than
9587 generating width-specific versions in the build directory.
9588 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9589 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9591 2006-02-28 Zack Weinberg <zackw@panix.com>
9593 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9596 2006-02-28 Eric Christopher <echristo@apple.com>
9598 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9599 Set up IN_LIBGCC definition of TARGET_64BIT.
9600 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9602 2006-02-28 Roger Sayle <roger@eyesopen.com>
9605 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9606 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9607 cases via the construction of "expr != 0".
9609 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9611 * alias.c (alias_invariant, alias_invariant_size): Remove.
9612 (record_base_value): Remove.
9613 (memrefs_conflict_p): Don't look at alias_invariant.
9614 (end_alias_analysis): Don't free it.
9615 * alias.h (record_base_value): Remove prototype.
9617 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9618 Adam Nemet <anemet@caviumnetworks.com>
9620 * rtl.h (truncated_to_mode): Declare it.
9621 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9622 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9623 (RTL_HOOKS_INITIALIZER): Include it.
9624 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9625 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9626 reg_truncated_to_mode.
9627 * rtlanal.c (truncated_to_mode): Define it.
9628 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9630 2006-02-28 Jeff Law <law@redhat.com>
9632 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9633 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9634 the range allowed by TYPE_PRECISION.
9636 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9638 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9640 PR tree-optimization/26419
9641 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9644 2006-02-27 Zack Weinberg <zackw@panix.com>
9646 * doc/md.texi: Fix typo in previous change.
9648 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9652 2006-02-27 Zack Weinberg <zackw@panix.com>
9654 * rtl.def (define_constraint, define_register_constraint)
9655 (define_memory_constraint, define_address_constraint): New MD forms.
9656 * gensupport.c (process_rtx): Put define_constraint etc on the
9658 * genpreds.c (process_define_predicate): Adjust comment. Validate
9659 the name, and call validate_exp to validate the expression.
9660 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9661 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9662 all callers changed.
9663 (validate_exp, needs_variable, struct constraint_data)
9664 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9665 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9666 (const_dbl_constraints, constraint_max_namelen)
9667 (have_register_constraints, have_memory_constraints)
9668 (have_address_constraints, have_address_constraints)
9669 (have_extra_constraints, have_const_int_constraints)
9670 (have_const_dbl_constraints, mangle, add_constraint)
9671 (process_define_constraint, process_define_register_constraint)
9672 (write_enum_constraint_num, write_lookup_constraint)
9673 (write_insn_constraint_len, write_regclass_for_constraint)
9674 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9675 (write_insn_extra_memory_constraint)
9676 (write_insn_extra_address_constraint)
9677 (write_satisfies_constraint_fns): New.
9678 (write_tm_preds_h): If we have new-style constraint definitions,
9679 prototype the functions generated from them, and define the
9680 old constraint interface (still used by generic code) in terms of
9682 (write_insn_preds_c): If we have new-style constraint definitions,
9683 generate all relevant functions from those definitions.
9684 (main): Handle define_constraint etc.
9685 * genoutput.c (struct constraint_data, indep_constraints)
9686 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9687 (mdep_constraint_len): New data structures and functions, defined
9688 #ifdef USE_MD_CONSTRAINTS.
9689 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9690 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9691 use new logic to validate operand constraints against constraint
9693 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9695 * defaults.h: If none of the old-style constraint macros are
9696 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9697 old-style macros; and poison REG_CLASS_FROM_LETTER,
9698 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9700 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9701 * doc/md.texi: Document new constraint-definition mechanism and the
9702 C interface it provides. Remove references to old mechanism
9703 elsewhere in the document.
9704 (Machine Constraints): Use pathnames relative to gcc directory,
9705 i.e. config/ARCH/FILE. Change i386 section to refer to
9706 config/i386/predicates.md; update that section to match docstrings.
9707 * doc/tm.texi: Move all documentation of the old constraint-
9708 definition macros to their own section, clearly mark as obsolete.
9710 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9711 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9713 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9714 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9715 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9717 (splits and peepholes): Use satisfies_constraint_*.
9718 * config/i386/i386.c (memory_address_length)
9719 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9721 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9723 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9724 scalar operation to be put back into the loop.
9726 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9729 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9730 (extract_cie_info): Handle S flag in augmentation string.
9731 (execute_cfa_program): If context->signal_frame, execute also
9732 fs->pc == context->ra instructions.
9733 (uw_frame_state_for): If context->signal_frame, don't subtract one
9734 from context->ra to find FDE.
9735 (uw_update_context_1): Set context->signal_frame to
9737 (_Unwind_GetIPInfo): New function.
9738 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9739 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9741 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9742 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9743 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9744 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9745 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9746 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9747 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9748 x86_64_fallback_frame_state): Set fs->signal_frame.
9749 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9750 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9751 (frob_update_context): Likewise. Workaround missing S flag in
9752 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9753 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9754 Remove the psw_addr + 1 hack.
9756 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9758 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9759 with aggregates here.
9760 (find_func_aliases): Remove code for &<aggregate> from here.
9762 2006-02-26 Roger Sayle <roger@eyesopen.com>
9764 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9765 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9766 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9769 2006-02-26 Roger Sayle <roger@eyesopen.com>
9772 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9774 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9776 * opts.c (decode_options): Do not handle flag_strength_reduce.
9777 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9778 and OPT_fstrength_reduce.
9779 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9780 flag_prefetch_loop_arrays for being nonzero.
9781 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9783 (fprefetch-loop-arrays-rtl): Removed.
9784 (flag_prefetch_loop_arrays): Do not specify the value.
9786 * doc/passes.texi: Update documentation of loop optimizer
9788 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9789 -frerun-loop-opt): Remove.
9791 2006-02-26 Richard Guenther <rguenther@suse.de>
9793 PR tree-optimization/26421
9794 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9795 in function calls that are ADDR_EXPRs as using the whole structure.
9797 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9799 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9800 * tree-pass.h (pass_loop_optimize): Remove.
9801 * passes.c (pass_loop_optimize): Never run it.
9802 * toplev.c (backend_init): Don't call init_loop.
9803 * opts.c (flag_loop_optimize_set): Remove.
9804 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9805 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9806 the old RTL loop optimizer when profiling enabled.
9807 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9808 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9809 pre-headers for the sake of the old RTL loop optimizer.
9810 * Makefile.in: Remove all references to loop.o.
9812 * doc/invoke.texi: Remove all references to -floop-optimize
9813 and -frerun-loop-opt.
9815 2006-02-26 Zack Weinberg <zackw@panix.com>
9817 * doc/md.texi (Machine Constraints): Refer to all files with paths
9818 relative to gcc directory (i.e. config/CPU/file). Add missing
9819 @table @code ... @end table to M32C subsection.
9821 2006-02-26 Roger Sayle <roger@eyesopen.com>
9823 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9825 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9827 2006-02-26 Roger Sayle <roger@eyesopen.com>
9828 James A. Morrison <phython@gcc.gnu.org>
9831 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9832 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9833 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9834 signedness of the shift operation.
9836 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9838 PR tree-optimization/26359
9839 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9841 2006-02-25 Roger Sayle <roger@eyesopen.com>
9843 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9844 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9845 as X == 0, and some symmetry related transformations.
9846 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9848 2006-02-25 Roger Sayle <roger@eyesopen.com>
9851 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9852 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9853 symmetry related transformations. Fold (X^C1) == C2 as
9856 2006-02-25 Juergen Weigert <jw@suse.de>
9857 Richard Guenther <rguenther@suse.de>
9859 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9861 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9863 * combine.c (gen_lowpart_or_truncate): Call
9864 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9866 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9868 * doc/invoke.texi: Move -fopenmp description to "Options for
9870 Remove reference to -lgomp.
9872 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9874 * doc/install.texi: Require GNU tar version 1.14.
9876 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9878 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9879 * doc/invoke.texi (C++ Dialect Options): Document
9880 -fno-use-cxa-get-exception-ptr.
9881 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9882 * configure: Regenerate.
9883 * c.opt (fuse-cxa-get-exception-ptr): New.
9884 * c-opts.c (c_common_handle_option): Handle
9885 OPT_fuse_cxa_get_exception_ptr.
9886 * c-common.c (flag_use_cxa_atexit): Update documentation.
9887 (flag_use_cxa_get_exception_ptr): New.
9888 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9889 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9891 (C_COMMON_OVERRIDE_OPTIONS): New.
9893 2006-02-24 Roger Sayle <roger@eyesopen.com>
9896 * combine.c (try_combine): Explicitly check whether GET_CODE is
9897 a SET or a CLOBBER, instead on checking that it isn't a USE.
9899 2006-02-24 Roger Sayle <roger@eyesopen.com>
9901 * fold-const.c (fold_comparison): New subroutine of fold_binary
9902 containing transformations common to both the equality and
9903 ordering relational operators, factored out of fold_binary.
9904 (fold_binary): Separate out the equality operators (EQ_EXPR
9905 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9906 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9907 transformations common to both.
9908 (fold_div_compare): Fix latent bugs in the previously unreachable
9909 LT_EXPR and GE_EXPR cases.
9911 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9913 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9914 decl libname for clog to __clog on AIX.
9916 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9918 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9921 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9922 output traceback table for thunks. Localise rs6000_stack_info call.
9924 2006-02-23 Roger Sayle <roger@eyesopen.com>
9925 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9927 * gthr-posix.h (__gthrw): Fix typo in comment.
9929 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9931 * doc/cpp.texi (Character sets): Document that we do support
9932 input files to be in any character set.
9934 2006-02-23 Jeff Law <law@redhat.com>
9936 * tree.h (PHI_ARG_NONZERO): Remove.
9937 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9938 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9939 node to the new node.
9941 PR tree-optimization/26425
9942 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9943 min/max, then assume its varying.
9945 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9947 PR rtl-optimization/26316
9948 * rtlanal.c (enum may_trap_p_flags): New.
9949 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9950 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9951 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9952 (may_trap_after_code_motion_p): New function.
9953 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9954 (find_invariant_insn): Use may_trap_after_code_motion_p.
9955 * rtl.h (may_trap_after_code_motion_p): Declare.
9957 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9959 * emit-rtl.c (immed_double_const): Cleanup.
9961 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9963 Fix PR tree-optimization/26376
9964 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9967 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9970 * gimplify.c (omp_add_variable): Guard variable size decl test with
9971 DECL_SIZE (decl) check.
9973 2006-02-23 Richard Guenther <rguenther@suse.de>
9976 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9977 like aggregate types.
9979 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9981 * configure.ac: Add --with{,out}-long-double-128 configure option.
9982 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9983 * configure: Rebuilt.
9984 * config.in: Rebuilt.
9985 * doc/install.texi (Options specification): Document
9986 --with-long-double-128.
9988 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9989 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9990 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9991 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9993 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9995 * config/s390/s390.c (override_options): Handle
9996 TARGET_DEFAULT_LONG_DOUBLE_128.
9998 * config/alpha/alpha.c (override_options): Handle
9999 TARGET_DEFAULT_LONG_DOUBLE_128.
10001 * config/sparc/sparc.c (sparc_override_options): Handle
10002 TARGET_DEFAULT_LONG_DOUBLE_128.
10004 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10006 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10007 (real-install-headers-tar, real-install-headers-cpio)
10008 (real-install-headers-cp): New targets.
10010 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10012 * tree.h (variable_section): Delete.
10013 * varasm.c (variable_section): Delete.
10015 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10017 * install.texi: Add notes on install.texi2html.
10018 (Building in parallel): Do not use footnotes.
10020 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10023 * doc/install.texi (Configuration): Document --disable-libgomp.
10025 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10027 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10029 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10031 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10032 (vec_extractv2df_0_sse): New.
10034 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10036 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10037 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10038 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10039 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10040 to the result of the expression.
10041 (def_cfa_1): Adjust.
10042 (frame_pointer_cfa_offset): Rename to...
10043 (frame_pointer_fb_offset): ... this. Adjust all uses.
10044 (convert_cfa_to_loc_list): Rename to...
10045 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10046 Pass it on to build_cfa_loc.
10047 (compute_frame_pointer_to_cfa_displacement): Rename to...
10048 (compute_frame_pointer_to_fb_displacement): ... this. New
10049 offset parameter. Use it in computation.
10050 (gen_subprogram_die): Compute cfa_fb_offset with the new
10051 macro, and use it to compute the fb loc list and the
10054 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10056 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10057 replaced with register_operand.
10058 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10059 non-DREG is expensive.
10060 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10061 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10064 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10066 * doc/install.texi2html: Use set -e.
10068 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10070 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10071 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10072 * doc/invoke.texi (-fshared-data): Delete.
10073 * common.opt (fshared-data): Delete.
10074 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10075 (assemble_static_space): Remove #if 0 code.
10076 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10077 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10078 * config/cris/cris.h: Remove FIXME.
10080 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10082 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10085 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10087 PR middle-end/26379
10088 * combine.c (simplify_shift_const_1): Disable nested shifts
10089 optimization for vector shifts.
10091 2006-02-20 Roger Sayle <roger@eyesopen.com>
10093 PR tree-optimization/26361
10094 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10095 of unsigned integer types.
10097 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10099 * tree-chrec.c (eq_evolutions_p): New.
10100 * tree-chrec.h (eq_evolutions_p): Declared.
10101 * tree-data-ref.c: Fix formatting.
10102 (datadep_stats, dependence_stats): New.
10104 (print_direction_vector): New.
10105 (dump_data_dependence_relation): Use print_direction_vector.
10106 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10107 (compute_subscript_distance): Static.
10108 (initialize_data_dependence_relation): Static. Get the number
10109 of loops surrounding the references from the callers, and initialize
10110 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10111 base_object_differ_p analyzers.
10112 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10113 compute_overlap_steps_for_affine_1_2,
10114 analyze_subscript_affine_affine): Count the classified dependences.
10115 Print a message when a test failed.
10116 (can_use_analyze_subscript_affine_affine): New.
10117 (analyze_siv_subscript): Compute the data dependences on symbolic
10118 scevs that verify can_use_analyze_subscript_affine_affine.
10119 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10120 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10121 Handle symbolic scevs.
10122 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10124 (subscript_dependence_tester): Moved...
10125 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10126 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10127 DDR_SIZE_VECT instead of getting it in parameter.
10128 (subscript_dependence_tester): ... here. Take as a parameter
10129 loop_nest_depth. Call build_classic_dist_vector and
10130 build_classic_dir_vector.
10131 (compute_affine_dependence): Update subscript_dependence_tester
10132 parameters. Update datadep_stats counters. Call
10133 compute_subscript_distance.
10134 (compute_self_dependence): Save the dist and dir vectors. Call
10135 compute_subscript_distance.
10136 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10137 (compute_all_dependences): Reorder parameters as they were before
10138 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10139 compute_subscript_distance. Update the use of
10140 compute_affine_dependence and initialize_data_dependence_relation.
10141 (find_data_references_in_loop): Handle COMPONENT_REF.
10142 (compute_data_dependences_for_loop): Initialize dependence_stats.
10143 Don't call build_classic_dist_vector and build_classic_dir_vector.
10144 Update the parameters of initialize_data_dependence_relation and
10145 compute_all_dependences. Print the statistics from datadep_stats.
10146 (analyze_all_data_dependences): Static. Not used until the pass for
10147 checking the data dependences is contributed.
10148 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10149 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10150 (initialize_data_dependence_relation, compute_affine_dependence,
10151 analyze_all_data_dependences, compute_subscript_distance): Removed.
10152 (print_direction_vector): New.
10153 * lambda.h (gcd): ... here.
10154 (lambda_vector_gcd): Moved here from gcd_vector.
10155 * lambda-code.c (gcd, gcd_vector): Removed.
10156 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10157 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10159 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10161 * ipa-type-escape.c: Tidy some comments and white space.
10162 * tree-ssa-operands.c: Likewise.
10164 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10167 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10168 (dump_decl_name): Do not walk the decl tree chains.
10169 * tree-pass.h (TDF_CHAIN): Remove.
10171 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10173 * Makefile.in (C): Remove
10175 (.PHONY): Remove C and PROTO
10177 2006-02-20 Roger Sayle <roger@eyesopen.com>
10179 PR middle-end/26236
10180 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10181 deprecated CHAR_TYPE tree code.
10183 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10185 * configure.ac (target_list): Add install-info, dvi, html.
10186 * configure: Regenerate.
10188 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10189 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10190 treelang/Make-lang.in: Do not use double-colon rules.
10192 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10194 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10195 (TMT_USED_ALONE): New macro.
10196 * tree-pass.h (PROP_tmt_usage): New property.
10197 (TODO_update_tmt_usage): New todo.
10198 * tree-ssa-alias.c (updating_used_alone): New variable.
10199 (recalculate_used_alone): New function.
10200 (compute_may_aliases): Set updating_used_alone, call
10201 recalculate_used_alone.
10202 * tree-sra.c (pass_sra): Note that this pass destroys
10203 PROP_tmt_usage, and add TODO_update_tmt_usage.
10204 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10205 * tree-flow.h (updating_used_alone): Prototype.
10206 (recalculate_used_alone): Ditto.
10207 * passes.c (execute_todo): Add code to set updating_used_alone,
10208 and call recalculate.
10209 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10210 for clobber if used alone, and add assert to verify used_alone
10213 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10215 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10216 for non tls symbols added.
10217 (legitimize_address): Do nothing for PLUS expressions if one of the
10218 addends is a tls symbol reference.
10220 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10224 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10226 * Makefile.in (BOOTSTRAPPING): New.
10227 (quickstrap): New definition if BOOTSTRAPPING=yes.
10229 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10230 * configure.ac: Substitute all_selected_languages with the languages
10231 that were configured. For all the other variables except
10232 lang_specs_files, include all the languages in the tree.
10233 * configure: Regenerate.
10235 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10236 if there is one. Run the commands to run fixincludes in the same
10239 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10240 * doc/install.texi: Document exact conventions for searching target tools.
10241 Document --with-build-time-tools. Document toplevel bootstrap. Document
10242 something more about building an Ada cross-compiler. Don't list GNU Make
10243 requirements which affect all platforms.
10245 2006-02-19 Roger Sayle <roger@eyesopen.com>
10247 PR middle-end/19543
10248 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10249 only equivalent if the have both the same mode and precision.
10251 2006-02-20 Ben Elliston <bje@au.ibm.com>
10253 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10255 2006-02-19 Roger Sayle <roger@eyesopen.com>
10256 Steven Bosscher <stevenb.gcc@gmail.com>
10258 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10259 constant pool references to identify stack mode constants.
10260 * rtlanal.c (constant_pool_constant_p): New predicate to check
10261 whether operand is a floating point constant in the pool.
10262 * rtl.h (constant_pool_constant_p): Prototype here.
10263 * loop.c (scan_loop): Avoid hoisting constants from the constant
10264 pool on STACK_REGS targets.
10265 (load_mems): Likewise.
10266 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10267 loads into x87 registers expensive in terms of register pressure.
10269 2006-02-19 Roger Sayle <roger@eyesopen.com>
10271 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10272 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10274 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10276 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10277 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10279 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10281 * doc/invoke.texi: Document -fipa-pta.
10282 * common.opt: Add ipa-pta option.
10283 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10284 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10285 (do_ds_constraint): Ditto.
10286 (get_constraint_for): Only add to referenced_vars if
10287 referenced_vars exists.
10288 (insert_into_field_list): Rewrite to do this unsorted.
10289 (insert_into_field_list_sorted): Rename old insert_into_field_list
10291 (create_function_info_for): Use insert_into_field_list_sorted.
10292 (create_variable_info_for): Rewrite so it uses unsorted version,
10293 since the field list is sorted.
10294 (intra_create_variable_infos): Only add to referenced_vars if
10295 referenced_vars exists.
10296 (ipa_pta_execute): Init heapvars, and delete when done.
10297 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10299 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10301 * doc/install.texi: Add missing `@samp'.
10303 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10305 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10308 2006-02-18 Mark Wielaard <mark@klomp.org>
10310 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10311 who added new 4.1 features, bug fixes and integration support.
10313 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10316 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10317 MEM for ABI_V4 pic.
10319 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10321 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10322 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10323 (copy_insn_1): Likewise. Don't copy each field individually.
10325 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10327 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10328 * rtl.c (rtx_size): Rename variable to...
10329 (rtx_code_size): ...this.
10330 (rtx_size): New function.
10331 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10332 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10334 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10335 * rtl.h (rtx_code_size): New variable.
10336 (rtx_size): Change from a variable to a function.
10337 (RTX_SIZE): Rename to...
10338 (RTX_CODE_SIZE): ...this.
10341 PR tree-optimization/17106
10342 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10343 (Anchored Addresses): New section.
10344 * doc/invoke.texi (-fsection-anchors): Document.
10345 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10346 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10347 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10348 * hooks.c (hook_bool_mode_rtx_false): New function.
10349 * hooks.h (hook_bool_mode_rtx_false): Declare.
10350 * gengtype.c (create_optional_field): New function.
10351 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10352 SYMBOL_REF_IN_BLOCK_P is true.
10353 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10354 (min_anchor_offset, max_anchor_offset): Likewise.
10355 (use_anchors_for_symbol_p): New hook.
10356 * toplev.c (compile_file): Call output_object_blocks.
10357 (target_supports_section_anchors_p): New function.
10358 (process_options): Check that -fsection-anchors is only used on
10359 targets that support it and when -funit-at-a-time is in effect.
10360 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10361 if the decl doesn't have one.
10362 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10363 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10364 of force_const_mem through use_anchored_address.
10365 (expand_expr_constant): New function.
10366 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10367 calling expand_expr for INDIRECT_REF.
10368 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10369 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10370 * expr.h (use_anchored_address): Declare.
10371 * loop-unroll.c: Don't declare rtx vectors here.
10372 * explow.c: Include output.h.
10373 (validize_mem): Call use_anchored_address.
10374 (use_anchored_address): New function.
10375 * common.opt (-fsection-anchors): New switch.
10376 * varasm.c (object_block_htab, anchor_labelno): New variables.
10377 (hash_section, object_block_entry_eq, object_block_entry_hash)
10378 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10379 (use_blocks_for_decl_p, change_symbol_section): New functions.
10380 (get_variable_section): New function, split out from assemble_variable.
10381 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10382 use_blocks_for_decl_p say so. Use change_symbol_section if the
10383 symbol has already been created.
10384 (assemble_variable_contents): New function, split out from...
10385 (assemble_variable): ...here. Don't output any code for
10386 block symbols; just pass them to place_block_symbol.
10387 Use get_variable_section and assemble_variable_contents.
10388 (get_constant_alignment, get_constant_section, get_constant_size): New
10389 functions, split from output_constant_def_contents.
10390 (build_constant_desc): Create a block symbol if use_object_blocks_p
10391 says so. Or into SYMBOL_REF_FLAGS.
10392 (assemble_constant_contents): New function, split from...
10393 (output_constant_def_contents): ...here. Don't output any code
10394 for block symbols; just pass them to place_section_symbol.
10395 Use get_constant_section and get_constant_alignment.
10396 (force_const_mem): Create a block symbol if use_object_blocks_p and
10397 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10398 (output_constant_pool_1): Add an explicit alignment argument.
10399 Don't switch sections here.
10400 (output_constant_pool): Adjust call to output_constant_pool_1.
10401 Switch sections here instead. Don't output anything for block symbols;
10402 just pass them to place_block_symbol.
10403 (init_varasm_once): Initialize object_block_htab.
10404 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10405 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10406 (place_block_symbol, get_section_anchor, output_object_block)
10407 (output_object_block_htab, output_object_blocks): New functions.
10408 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10409 (TARGET_ASM_OUT): Include it.
10410 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10411 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10412 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10413 (TARGET_INITIALIZER): Include them.
10414 * rtl.c (rtl_check_failed_block_symbol): New function.
10415 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10416 (block_symbol, object_block): New structures.
10417 (rtx_def): Add a block_symbol field to the union.
10418 (BLOCK_SYMBOL_CHECK): New macro.
10419 (rtl_check_failed_block_symbol): Declare.
10420 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10421 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10422 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10423 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10424 * output.h (output_section_symbols): Declare.
10425 (object_block): Name structure.
10426 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10427 (default_use_anchors_for_symbol_p): Declare.
10428 * Makefile.in (RTL_BASE_H): Add vec.h.
10429 (explow.o): Depend on output.h.
10430 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10431 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10432 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10433 (rs6000_use_blocks_for_constant_p): New function.
10435 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10437 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10439 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10442 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10445 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10447 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10451 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10453 PR middle-end/26334
10454 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10455 instead of DECL_REGISTER.
10457 2006-02-18 Olivier Hainque <hainque@adacore.com>
10460 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10462 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10465 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10466 * opth-gen.awk: Handle Var and InverseMask together.
10467 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10468 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10469 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10470 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10472 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10473 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10474 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10475 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10476 LINUX_DYNAMIC_LINKER): Define.
10477 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10478 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10480 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10481 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10482 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10483 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10484 (TARGET_C99_FUNCTIONS): Don't define.
10485 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10486 GLIBC_DYNAMIC_LINKER.
10487 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10488 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10489 GLIBC_DYNAMIC_LINKER64): Define.
10490 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10491 LINUX_DYNAMIC_LINKER64.
10492 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10493 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10494 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10495 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10496 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10497 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10498 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10499 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10500 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10501 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10502 and LINUX_DYNAMIC_LINKER32.
10503 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10504 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10505 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10506 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10507 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10509 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10510 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10511 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10512 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10513 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10514 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10515 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10516 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10517 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10518 LINUX_DYNAMIC_LINKER): Define.
10519 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10520 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10521 GLIBC_DYNAMIC_LINKER64): Define.
10522 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10523 LINUX_DYNAMIC_LINKER64.
10524 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10525 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10526 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10527 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10528 LINUX_DYNAMIC_LINKER): Define.
10529 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10530 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10531 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10532 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10533 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10534 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10535 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10536 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10537 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10538 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10539 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10540 * doc/invoke.texi (-muclibc): Remove caveat about supported
10543 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10545 * doc/cpp.texi (__TIMESTAMP__): Document.
10547 2006-02-17 Roger Sayle <roger@eyesopen.com>
10549 PR middle-end/25600
10550 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10551 C is one less than the width of X (and related transformations).
10552 * simplify-rtx.c (simplify_unary_operation_1): Transform
10553 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10554 depending on STORE_FLAG_VALUE, were C is one less then the
10557 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10559 Fix PR tree-optimization/26341
10560 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10561 about NAME_MEMORY_TAG's.
10563 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10566 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10567 with hardware float support, and software float support. Add fcpy
10568 alternative to hardware patterns. Add alternatives to copy between
10569 general and floating-point registers to the 32-bit pattern.
10570 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10571 secondary reload to load a QI or HI mode constant into a floating
10573 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10574 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10576 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10579 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10581 (load_macho_picbase_di): Likewise.
10583 2006-02-16 Jeff Law <law@redhat.com>
10585 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10586 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10587 (ssa_name_nonzero_p): Likewise.
10588 (get_value_range): Return NULL if VRP is not running.
10589 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10590 VRP routines do not discover a range.
10591 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10592 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10593 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10594 (tree_expr_nonnegative_p): Similarly.
10595 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10596 (restore_nonzero_vars_to_original_value): Remove.
10597 (unsafe_associative_fp_binop): Remove.
10598 (tree_ssa_dominator_optimize): Remove initialization and
10599 finalization of nonzero_vars and nonzero_vars_stack.
10600 (dom_opt_initialize_block): No longer push marker on
10601 nonzero_vars_stack.
10602 (dom_opt_finalize_block): No longer call
10603 restore_nonzero_vars_to_original_value.
10604 (record_equivalences_from_phis): No longer look for
10605 nonzero PHI arguments.
10606 (cprop_into_successor_phis): No longer propagate nonzero
10607 property into PHI arguments. Lose unused argument. Caller
10609 (record_equivalences_from_stmt): No longer record nonzero
10610 values for SSA_NAMEs.
10611 (lookup_avail_expr): No longer use nonzero_vars.
10613 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10614 for sizetype when sizetype is unsigned.
10616 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10618 PR rtl-optimization/25603
10619 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10620 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10621 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10622 with new meaning of SETS.
10624 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10629 * config/linux.opt: New file.
10630 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10631 LINUX_DYNAMIC_LINKER): Define.
10632 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10633 * config.gcc (*-*-linux*): Define extra_options.
10634 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10635 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10636 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10637 GLIBC_DYNAMIC_LINKER.
10638 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10639 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10640 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10641 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10642 * doc/invoke.texi (GNU/Linux Options): New section.
10644 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10646 * config/sparc/sparc.md (setjmp): Rewrite.
10647 (setjmp_32): Delete.
10648 (setjmp_64): Likewise.
10650 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10652 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10655 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10657 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10660 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10662 PR rtl-optimization/26296
10663 * Makefile.in (loop-invariant.c): Add except.h dependency.
10664 * loop-invariant.c: Include except.h.
10665 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10667 2005-02-16 Paul Brook <paul@codesourcery.com>
10669 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10672 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10674 PR rtl-optimization/25636
10675 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10676 when deciding whether an insn is an initializing insn.
10678 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10680 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10681 (tree_code_size): Ditto.
10682 * tree.h (struct tree_memory_tag): Remove parent_var.
10683 (struct tree_struct_field_tag): New.
10686 (union tree_node): Add sft member.
10687 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10689 (create_sft): Add size and offset argument, set SFT_OFFSET and
10691 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10692 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10693 * tree-flow-inline.h (get_subvar_at): Update for
10694 SFT_OFFSET/SFT_SIZE.
10695 (var_can_have_subvars): Ditto.
10696 (overlap_subvar): Ditto.
10697 * print-tree.c (print_node): Print out interesting things for
10699 * tree-flow.h (struct subvar): Remove offset and size members.
10700 * tree-ssa-operands.c (get_expr_operands): Update for
10701 get_indirect_ref_operands changes.
10702 (get_indirect_ref_operands): Call add_virtual_operand instead of
10703 add_stmt_operand. Only recurse on base var if requested.
10704 (access_can_touch_variable): New function.
10705 (add_stmt_operand): Split virtual operand handling into ...
10706 (add_virtual_operand): Here. Add offset, size, and for_clobber
10707 arguments. Prune alias sets.
10708 (add_call_clobber_ops): Call add_virtual_operand.
10710 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10712 PR middle-end/26300
10713 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10715 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10716 than TREE_CODE as index into omp_clause_num_ops array.
10718 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10720 PR rtl-optimization/26184
10721 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10723 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10724 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10725 must_precede, must_follow and tobe_scheduled.
10728 * opts.c (common_handle_option): Free new_option pointer.
10729 * df-core.c (df_analyze): Free postorder pointer.
10731 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10733 * Makefile.in: Fix the examples about the use of stamps
10735 2006-02-15 Michael Matz <matz@suse.de>
10737 PR middle-end/22275
10739 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10740 influenced by maximum_field_alignment or DECL_PACKED.
10741 (update_alignment_for_field): Ditto.
10742 (place_field): Ditto.
10743 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10746 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10748 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10749 (debug_flow_info): Pass it.
10750 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10751 * bb-reorder.c (reorder_basic_blocks): Likewise.
10752 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10753 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10754 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10755 * gcse.c (gcse_main, bypass_jumps): Likewise.
10756 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10757 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10758 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10759 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10760 * rtl.h (dump_flow_info): Adjust prototype.
10761 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10762 * var-tracking.c (variable_tracking_main): Likewise.
10763 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10764 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10767 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10769 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10772 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10774 PR tree-optimization/26209
10775 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10776 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10778 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10780 2006-02-14 Roger Sayle <roger@eyesopen.com>
10782 PR middle-end/23670
10783 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10784 (X,Y) and the corresponding symmetry related transformations.
10785 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10786 (X,Y) and its symmetry related transformations.
10788 2006-02-14 Roger Sayle <roger@eyesopen.com>
10790 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10793 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10795 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10797 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10800 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10801 support COMDAT group.
10802 * configure: Regenerate.
10804 2006-02-14 Roger Sayle <roger@eyesopen.com>
10806 PR middle-end/26279
10807 PR middle-end/26280
10808 PR middle-end/26283
10809 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10811 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10813 Fix PR tree-optimization/26260
10815 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10817 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10818 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10819 * tree-ssa-structalias.c (create_variable_info_for): Use
10820 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10822 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10824 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10826 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10827 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10828 of the ending condition.
10829 * tree-ssa-loop-manip.c: Include params.h.
10830 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10831 tree_unroll_loop): New functions.
10832 * tree-pass.h (pass_loop_prefetch): Declare.
10833 * loop.c (rest_of_handle_loop_optimize): Test for
10834 -fprefetch-loop-arrays-rtl.
10835 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10836 * timevar.def (TV_TREE_PREFETCH): New timevar.
10837 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10838 pass_loop_prefetch): New.
10839 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10840 (cleanup_tree_cfg_loop): Call scev_reset.
10841 * common.opt (fprefetch-loop-arrays-rtl): Add.
10842 * tree-ssa-loop-prefetch.c: New file.
10843 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10844 (new_temp_expr_table): Initialize expr_vars.
10845 (free_temp_expr_table): Cleanup expr_vars.
10846 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10847 expressions from being merged into one.
10848 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10849 (struct tree_niter_desc): Add control, bound and cmp fields.
10850 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10852 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10853 (tree-cfgcleanup.o): Add SCEV_H dependency.
10854 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10855 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10857 2006-02-14 Richard Guenther <rguenther@suse.de>
10859 PR tree-optimization/26258
10860 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10861 in PHI argument processing.
10863 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10865 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10866 new expression in the requested machine mode.
10868 2006-02-13 Roger Sayle <roger@eyesopen.com>
10870 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10871 directly, instead let do_compare_rtx_and_jump handle this for us.
10872 * expr.c (expand_expr_real_1): Likewise.
10873 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10874 before do_jump_by_parts_greater.
10875 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10876 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10878 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10880 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10882 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10884 PR rtl-optimization/26235
10885 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10886 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10889 2006-02-13 Jeff Law <law@redhat.com>
10891 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10894 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10896 PR middle-end/26092
10897 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10898 twice if decl is a builtin. When trying again, call get_callee_fndecl
10899 first to verify it is still a builtin.
10901 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10903 * dwarf2out.c (base_type_die): Don't add AT_name here.
10904 (subrange_type_die): Don't add AT_name here.
10905 (modified_type_die): Rearrange code flow. Do add AT_name here.
10907 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10909 PR rtl-optimization/26247
10910 PR rtl-optimization/26248
10911 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10913 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10915 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10916 * config/fixtfdi.c: Likewise.
10917 * config/fixunstfdi.c: Likewise.
10918 * config/floatditf.c: Likewise.
10920 2006-02-13 Roger Sayle <roger@eyesopen.com>
10922 PR middle-end/24427
10923 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10924 into (X,C2) if C1 is a subset of the bits of C2. Transform
10925 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10927 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10929 2006-02-13 Josh Conner <jconner@apple.com>
10932 * varasm.c (function_section): Check for section name before
10933 calling select_section on targets that define
10934 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10935 unlikely_text_section instead of hot_function_section if
10936 first_function_block_is_cold.
10938 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10940 PR middle-end/25335
10941 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10943 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10945 PR rtl-optimization/26222
10946 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10947 after tree->rtl expansion.
10948 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10949 before passing it to emit_move_insn.
10951 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10953 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10955 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10956 Clarify documentation.
10957 * c-common.h (warn_write_strings): Remove.
10958 * c-common.c (warn_write_strings): Likewise.
10959 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10962 2006-02-12 Roger Sayle <roger@eyesopen.com>
10964 PR middle-end/25724
10965 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10966 (do_jump_parts_zero_rtx): New function renamed from
10967 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10968 (do_jump_parts_equality_rtx): New function split out from
10969 do_jump_parts_equality. Old implementation renamed as above.
10970 Call do_jump_parts_zero_rtx if either operand is zero.
10971 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10972 do all of the heavy lifting.
10973 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10974 calling either do_jump_by_parts_greater_rtx or
10975 do_jump_by_parts_equality_rtx.
10976 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10977 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10978 moved to do_compare_rtx_and_jump, call it directly.
10979 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10980 mode argument. Call do_compare_rtx_and_jump.
10981 (emit_case_nodes): Update calls to do_jump_if_equal.
10983 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10985 PR rtl-optimization/26225
10986 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10988 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10990 PR rtl-optimization/26232
10991 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10993 2006-02-11 Jason Merrill <jason@redhat.com>
10996 * tree-inline.c (declare_return_variable): Just don't use the
10997 modify target if it's a gimple complex reg and the return slot
11000 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11002 * doc/contrib.texi: Update my entry.
11004 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11006 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11008 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11010 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11013 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11015 * doc/invoke.texi (-floop-optimize2): Removed.
11016 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11017 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11018 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11019 * common.opt (floop-optimize2): Removed.
11020 (fmove-loop-invariants): Enabled by default.
11022 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11024 * tree-if-conv.c (combine_blocks): Free the result of
11025 get_loop_exit_edges.
11027 2006-02-10 Jeff Law <law@redhat.com>
11029 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11031 PR tree-optimization/26213
11032 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11033 loop trying to follow SSA_NAME_VALUE chains.
11035 2006-02-10 Richard Guenther <rguenther@suse.de>
11037 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11038 deal with structures that end in implicitly variable sized arrays.
11040 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11042 PR rtl-optimization/24762
11043 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11046 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11048 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11049 (struct ivopts_data): Add regs_used field.
11050 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11051 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11052 instead of loop_data->regs_used;
11053 (free_loop_data): Do not free aux fields for loops.
11054 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11055 and tree_ssa_iv_optimize_finalize.
11057 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11059 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11061 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11064 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11065 computing the effective result type.
11067 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11069 PR inline-asm/16194
11070 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11071 (tree_overlaps_hard_reg_set): Declare.
11072 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11073 type and signature to match function type expected by walk_tree.
11074 (tree_overlaps_hard_reg_set): New function.
11075 (decl_conflicts_with_clobbers_p): Rename to:
11076 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11077 Use tree_overlaps_hard_reg_set. Changed caller.
11078 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11079 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11080 * cris.c (cris_md_asm_clobbers): Likewise.
11082 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11084 * reload1.c (emit_input_reload_insns): Delete code that tries to
11085 inherit using find_equiv_reg.
11087 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11089 * c-common.h (flag_const_strings): Don't declare.
11090 * c-common.c (flag_const_strings): Remove.
11091 * c.opt (fconst_strings): Remove.
11092 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11093 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11094 (c_common_init_options): Don't set flag_const_strings.
11095 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11097 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11099 * arm.md (tlobits_cbranch): New pattern.
11100 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11101 testing a single bit.
11103 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11106 * tree-ssa-pre.c (create_component_ref_by_pieces):
11107 Handle RETURN_DECL like VAR_DECL.
11109 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11111 PR middle-end/26134
11112 * fold-const.c (fold_indirect_ref_1): Fold
11113 "*(foo *)&complexfoo" to "__real__ complexfoo"
11114 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11116 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11118 * tree-flow-inline.h (var_can_have_subvars):
11119 Volatile variables should not have subvariables.
11121 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11124 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11125 multiplying unsigned values.
11128 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11130 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11132 2006-02-08 Jason Merrill <jason@redhat.com>
11135 * tree.def: Elaborate on difference from MODIFY_EXPR.
11136 * doc/c-tree.texi (INIT_EXPR): Likewise.
11137 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11138 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11139 (gimplify_target_expr): Likewise.
11140 (gimplify_cond_expr): Remove target handling.
11141 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11142 (gimplify_expr): Clobber it here.
11143 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11144 Do return slot optimization if we have an INIT_EXPR.
11147 * tree-inline.c (declare_return_variable): Also clear
11148 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11151 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11153 PR middle-end/22439
11154 * gimplify.c (gimplify_one_sizepos): Fix typo.
11156 2006-02-08 Jeff Law <law@redhat.com>
11158 PR tree-optimization/21417
11159 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11160 across a backedge if the control statement at the end of the
11161 block is data dependent on other statements in the same block.
11162 (record_temporary_equivalences_from_stmts): Remove over-conservative
11163 test for threading across backedges.
11165 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11166 control statement, handle all three special cases in the same
11167 manner as they all have the same desired solution. No longer
11168 special case edge flag updating when the post dominator is
11171 2006-02-08 Roger Sayle <roger@eyesopen.com>
11173 * tree.def (CHAR_TYPE): Remove.
11174 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11175 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11176 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11177 (gen_string_type_die): Delete unreachable function.
11179 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11180 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11181 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11182 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11183 * builtins.c (type_to_class): Likewise.
11184 * fold-const.c (fold_convert, build_range_check,
11185 merge_ranges): Likewise.
11186 * expr.c (count_type_elements): Likewise.
11187 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11188 * stor-layout.c (layout_type): Likewise.
11189 * ipa-type-escape.c (type_to_consider): Likewise.
11190 * gimplify.c (omp_firstprivatize_type_sizes,
11191 gimplify_type_sizes): Likewise.
11192 * explow.c (promote_mode): Likewise.
11193 * tree-sra.c (is_sra_scalar_type): Likewise.
11194 * varasm.c (output_constant): Likewise.
11195 * tree-inline.c (remap_type_1): Likewise.
11196 * convert.c (convert_to_pointer, convert_to_real,
11197 convert_to_integer, convert_to_complex): Likewise.
11199 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11201 * df-scan.c (df_def_record_1): A set destination may
11202 be a parallel regardless of mode.
11204 2006-02-08 Roger Sayle <roger@eyesopen.com>
11207 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11208 * config/mips/_tilib.c: Remove.
11209 * config/fixtfdi.c: New libgcc source file.
11210 * config/fixunstfdi.c: New source file.
11211 * config/floatditf.c: New source file.
11212 * config/floatunditf.c: New souce file.
11213 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11214 files above instead of config/mips/_tilib.c.
11215 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11217 2006-02-08 Jeff Law <law@redhat.com>
11219 PR tree-optimization/26169
11220 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11223 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11225 * df.h (DF_REG_SIZE): Return the length of the initialized
11228 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11230 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11231 __muldf3): Return a correctly signed zero.
11233 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11235 * passes.c (register_one_dump_file): Accept the current properties
11236 instead of pass number. Adjust call to dump_register. Remove
11238 (register_dump_files): Now a wrapper around...
11239 (register_dump_files_1): ... this one. Do not modify the pass
11241 (next_pass_1): Cosmetic fix.
11242 (execute_todo): Keep second parameter only. Use curr_properties
11243 instead of fetching it from the pass structure. Check and set
11245 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11246 instead of fetching it from the pass structure. Fix calls to
11247 execute_todo. Update curr_properties and initialize .vcg RTL dump
11248 after running the pass. Reset last_verified.
11249 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11251 (FIRST_AUTO_NUMBERED_DUMP): New.
11252 (dump_register): Remove "num" parameter, assign it within the
11254 (get_dump_file_name): Modify template for dumps.
11255 * tree-dump.h (dump_register): Adjust prototype.
11256 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11257 (PROP_trees): Add PROP_gimple_lomp.
11258 (TODO_set_props): New.
11259 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11260 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11261 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11263 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11265 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11266 (sparc64-*-linux*): Likewise.
11267 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11268 * config/sparc/t-linux: New file.
11269 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11270 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11271 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11272 -m32 -mlong-double-128.
11274 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11275 * config/alpha/t-linux: New file.
11276 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11278 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11279 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11280 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11281 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11282 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11283 (CPP_ARCH32_SPEC): Remove.
11285 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11287 PR tree-optimization/26145
11288 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11291 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11294 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11295 >= 240000 when generating code for SOM runtime.
11296 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11297 to $$dyncall when generating code for SOM runtime..
11299 2006-02-07 Dirk Mueller <dmueller@suse.com>
11302 * doc/invoke.texi (-Wsequence-point): Update documentation
11303 that -Wsequence-point is implemented for C++ as well.
11305 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11307 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11308 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11309 (LIB_SPEC): Likewise.
11310 * doc/invoke.texi (SPARC options): Document -pthread.
11312 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11314 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11317 2006-02-07 Roger Sayle <roger@eyesopen.com>
11319 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11320 Correct comment describing BOOLEAN_TYPE.
11322 2006-02-07 Dirk Mueller <dmueller@suse.com>
11324 * c.opt: C++ frontend supports -Wdiv-by-zero.
11325 * c-opts.c (c_common_handle_option): Remove dead case.
11327 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11329 * configure.ac (TLS assembler check): Do not enable TLS by
11330 default on SPARC/Solaris before version 10.
11331 * configure: Regenerate.
11333 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11335 * doc/invoke.texi (xl-compat): Document conversion and support
11338 2006-02-07 Jeff Law <law@redhat.com>
11340 * tree-vrp.c (find_conditional_asserts): Update comments.
11341 (simplify_stmt_for_jump_threading): New.
11342 (identify_jump_threads, finalize_jump_threads): New.
11343 (vrp_finalize): Call identify_jump_threads.
11344 (execute_vrp): Call finalize_jump_threads.
11345 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11346 (vrp_element, vrp_data, vrp_element_p): Remove.
11347 (vrp_hash_elt, vrp_variables_stack): Remove.
11348 (vrp_hash, vrp_eq, record_range): Remove.
11349 (simplify_cond_and_lookup_avail_expr): Remove.
11350 (extract_range_from_cond): Remove.
11351 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11352 (simplify_stmt_for_jump_threading): New.
11353 (dom_thread_across_edge): New wrapper.
11354 (tree_ssa_dominator_optimize): No longer initialize or
11355 finalize any of the VRP datastructures. Remove iteration
11356 step and simplify as a result of removal of iteration step.
11357 (pass_dominator): Perform a cfg cleanup after DOM.
11358 (dom_opt_finalize_block): Use the new common routines
11359 for threading jumps. Simplify stack management slightly.
11360 No longer need to unwind VRP state.
11361 (record_equivalences_from_incoming_edge): No longer record
11363 (eliminate_redundant_computations): No longer call
11364 simplify_cond_and_lookup_avail_expr.
11365 * tree-flow.h (potentially_threadable_block): Prototype.
11366 (thread_across_edge): Likewise.
11367 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11368 (tree-ssa-threadedge.o): Add dependencies.
11369 * tree-ssa-threadedge.c: New file.
11370 * passes.c (init_optimization_passes): Merge PHIs before
11371 calling VRP. Run VRP again late in the SSA optimization pipeline.
11373 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11375 * df-core.c (df_set_blocks): Do not dereference function pointers.
11376 (df_finish1): Likewise.
11377 (df_hybrid_search_forward): Likewise.
11378 (df_hybrid_search_backward): Likewise.
11379 (df_iterative_dataflow): Likewise.
11380 (df_analyze_problem): Likewise.
11381 (df_compact_blocks): Likewise.
11382 (df_dump): Likewise.
11383 * df-scan.c (df_rescan_blocks): Likewise.
11384 (df_record_entry_block_defs): Likewise.
11386 * genconditions.c (write_conditions): Guard the definition of
11387 'insn_conditions' with the check on GCC version.
11388 (write_writer): Guard the traversal 'insn_conditions' with
11389 the check on GCC version.
11391 2006-02-07 Richard Guenther <rguenther@suse.de>
11395 2006-01-30 Richard Guenther <rguenther@suse.de>
11397 * gimplify.c (gimplify_target_expr): Handle easy cases
11398 without creating a temporary.
11400 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11402 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11403 use of float in probability computations. Use edge probabilities
11404 in place of statically computed probabilities.
11405 (min_spec_prob): New static variable.
11406 (schedule_insns): Initialize it.
11407 (GET_SRC_PROB): Removed.
11408 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11410 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11413 * config/ia64/unwind-ia64.c: Revert last change.
11414 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11415 (INCOMING_FRAME_SP_OFFSET): Define.
11417 2006-02-06 Roger Sayle <roger@eyesopen.com>
11419 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11421 2006-02-07 Ben Elliston <bje@au.ibm.com>
11423 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11424 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11425 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11426 (ix86_return_in_memory): Handle TDmode.
11427 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11428 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11430 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11432 * reorg.c (dbr_schedule): Use dump_file instead of file.
11434 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11437 * config/ia64/predicates.md (extr_len_operand): New predicate.
11438 * config/ia64/ia64.md (extv): Tighten constraints.
11440 (*tbit_and_2): Ditto.
11441 (*tbit_and_3): Ditto.
11442 (*tbit_or_2): Ditto.
11443 (*tbit_or_3): Ditto.
11444 (*bit_zero): Ditto.
11447 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11450 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11452 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11454 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11455 loop_optimizer_init and loop_optimizer_finalize
11456 * tree-ssa-sink.c (execute_sink_code): Ditto.
11457 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11458 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11459 tree_ssa_loop_done): Ditto.
11460 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11461 * sched-ebb.c: Include output.h.
11462 (schedule_ebbs): Do not use dump argument.
11463 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11464 * loop.c (loop_dump_stream): Removed.
11465 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11467 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11468 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11469 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11470 loop_iterations, strength_reduce, record_biv, record_giv,
11471 final_giv_value, check_final_value, check_ext_dependent_givs,
11472 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11473 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11474 dump_file instead of loop_dump_stream.
11475 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11476 argument dump_file.
11477 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11479 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11480 * haifa-sched.c: Include output.h
11481 (schedule_insns, sched_init): Do not use dump argument.
11482 * mode-switching.c (optimize_mode_switching): Ditto.
11483 * modulo-sched.c (stats_file): Removed.
11484 (print_node_sched_params): Do not call argument dump_file.
11485 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11486 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11488 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11490 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11491 rtl_loop_init, rtl_loop_done): Ditto.
11492 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11493 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11495 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11496 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11497 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11498 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11499 * emit-rtl.c (renumber_insns): Ditto.
11500 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11501 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11502 * regclass.c (regclass): Ditto.
11503 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11504 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11505 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11506 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11508 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11509 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11511 * gcse.c (gcse_file, debug_stderr): Removed.
11512 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11513 rest_of_handle_gcse): Do not use dump argument.
11514 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11515 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11516 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11517 compute_code_hoist_vbeinout, compute_code_hoist_data,
11518 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11519 compute_store_table, build_store_vectors, insert_insn_start_bb,
11520 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11521 store_motion): Use dump_file instead of gcse_file.
11522 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11523 * profile.c (profile_dump_file): Removed.
11524 (branch_prob): Use dump_file instead of profile_dump_file.
11525 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11527 * tree-ssa-copy.c (dump_copy_of): Ditto.
11528 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11529 dump file to life_analysis.
11530 * bt-load.c (branch_target_load_optimize): Ditto.
11531 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11533 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11534 regclass, dbr_schedule): Declaration changed.
11535 * sched-int.h (sched_init): Declaration changed.
11536 * tree-profile.c (tree_profile_dump_file): Removed.
11537 (tree_profile_hooks): Removed profile_dump_file hook.
11538 * rtl-profile (rtl_profile_dump_file): Removed.
11539 (rtl_profile_hooks): emoved profile_dump_file hook.
11540 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11542 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11543 * tree-cfg.c (build_tree_cfg): Ditto.
11544 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11545 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11546 Declaration changed.
11547 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11548 life_analysis and schedule_insns.
11549 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11551 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11553 * config/mips/mips.c (mips_reorg): Ditto.
11554 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11557 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11559 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11560 (s390_mangle_fundamental_type): New.
11561 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11564 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11565 (alpha_mangle_fundamental_type): New.
11566 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11569 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11571 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11573 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11574 (sparc_mangle_fundamental_type): New.
11576 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11578 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11579 (s390x-*-linux*): Likewise.
11580 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11581 * config/s390/t-linux: New file.
11583 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11585 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11586 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11588 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11590 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11591 (ANTIC_SAFE_LOADS): New macro.
11592 (find_or_generate_expression): Add prototype.
11593 (set_contains_value): Allow null set for sake of not always having
11594 to allocate ANTIC_SAFE_LOADS.
11595 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11596 Allow COMPONENT_REF too.
11597 (valid_in_set): Allow COMPONENT_REF.
11598 Check ANTIC_SAFE_LOADS too.
11599 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11600 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11602 (can_PRE_operation): Add COMPONENT_REF.
11603 (create_component_ref_by_pieces): New function.
11604 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11605 (insert_aux): Move AGGREGATE_TYPE_P check here.
11606 (compute_avail): Set bb local stmt uids.
11607 (pass_pre): Use TODO_update_ssa_only_virtuals.
11609 2006-02-06 Ben Elliston <bje@au.ibm.com>
11611 * configure.ac: Unconditionally disable decimal float by default.
11612 * configure: Regenerate.
11614 2006-02-06 Ben Elliston <bje@au.ibm.com>
11616 * read-rtl.c (read_name): Terminate reading on EOF.
11618 2006-02-06 Ben Elliston <bje@au.ibm.com>
11620 * dfp.c (decimal_real_arithmetic): Change second argument type
11621 from int to enum tree_code. Do not always return true, but now
11622 return result of any call to decimal_do helper functions.
11623 * dfp.h (decimal_real_arithmetic): Update prototype.
11625 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11627 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11629 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11632 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11635 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11637 * tree-vrp.c (cfg_loops): Removed.
11638 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11639 Use current_loops instead of cfg_loops. Pass flags to
11640 loop_optimizer_init.
11641 * cfgloopmanip.c (fix_loop_structure): Update only available
11643 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11644 loop_optimizer_init.
11645 * modulo-sched.c (build_loops_structure): Removed.
11646 (sms_schedule): Use loop_optimizer_init.
11647 * loop-init.c (loop_optimizer_init): Use flags to determine
11648 which properties of loops to prepare.
11649 (rtl_loop_init): Pass flags to loop_optimizer_init.
11650 * tree-ssa-sink.c (execute_sink_code): Ditto.
11651 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11652 * tree-ssa-pre.c (init_pre): Ditto.
11653 * cfgloop.h (LOOPS_NORMAL): New.
11654 (loop_optimizer_init): Declaration changed.
11656 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11658 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11659 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11661 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11663 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11665 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11666 * pa/t-pa64: Delete quadlib.c rule.
11667 * pa/x-ada: Revert last change.
11668 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11670 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11672 PR rtl-optimization/26087
11673 * rtlanal.c (canonicalize_condition): Do not cross basic block
11676 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11679 * config/ia64/ia64.c: Include debug.h.
11680 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11681 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11682 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11683 (process_epilogue, process_set, process_for_unwind_directive):
11684 Output unwind info only if requested. Add CFA info if requested.
11685 Add new arguments as needed. Adjust callers.
11686 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11688 (DWARF2_FRAME_INFO): Define to zero.
11689 * config/ia64/unwind-ia64.c: Remove code that compensated for
11690 the CFA offset error fixed above.
11691 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11692 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11693 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11694 -funwind-tables and -fexceptions to enable frame info.
11695 (dwarf2out_frame_init): Define initial CFA even if
11696 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11697 DWARF2_UNWIND_INFO is nonzero, not just defined.
11698 (dwarf2out_frame_finish): Output non-EH call frame info only
11699 if DWARF2_FRAME_INFO is nonzero.
11700 (convert_cfa_to_loc_list,
11701 compute_frame_pointer_to_cfa_displacement): Define even if
11702 unwind info is not supported.
11703 (gen_subprogram_die): Use the above unconditionally. Remove
11704 legacy alternate code.
11705 * toplev.c (compile_file): Compile in call to
11706 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11707 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11709 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11710 Jakub Jelinek <jakub@redhat.com>
11712 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11713 IBM extended float format long double as "g" on powerpc*-linux.
11715 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11718 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11719 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11721 2006-02-03 Jason Merrill <jason@redhat.com>
11724 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11726 PR middle-end/25977
11727 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11728 on the return slot if it's an NRV.
11730 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11732 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11733 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11734 rewrite_use): Do not handle USE_OUTER.
11735 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11736 add_iv_outer_candidates, may_replace_final_value,
11737 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11738 (find_interesting_uses_op): Functionality of
11739 find_interesting_uses_outer_or_nonlin moved here.
11740 (find_interesting_uses_outside): Use find_interesting_uses_op.
11742 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11745 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11747 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11748 Ulrich Weigand <uweigand@de.ibm.com>
11751 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11752 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11753 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11754 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11756 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11757 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11758 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11759 Define secondary reloads for TFmode moves.
11760 (constant_modes): Add TFmode.
11761 (NR_C_MODES): Set to 8.
11762 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11764 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11765 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11766 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11767 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11768 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11769 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11770 (FPR mode macro): Add TFmode.
11771 (DSF mode macro): New.
11772 (<de>, <dee> mode attributes): Removed.
11773 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11774 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11775 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11776 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11777 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11778 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11779 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11780 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11781 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11782 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11783 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11784 "*negabs<mode>2", "sqrt<mode>2"):
11785 Changed <de> to <xde>. R constraint replaced by <Rf>.
11786 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11788 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11789 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11790 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11792 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11793 "extenddftf2", "extendsftf2"): New expanders.
11794 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11795 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11796 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11797 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11799 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11800 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11801 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11802 __floatditf): Add a GCC_4.1.0 symbol version tag.
11803 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11806 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11809 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11810 Use targetm.binds_local_p instead of TREE_PUBLIC.
11812 2006-02-02 Roger Sayle <roger@eyesopen.com>
11814 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11815 on INTEGER_TYPEs to indicate that it denotes a character type.
11816 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11817 signed_char_type_node, unsigned_char_type_node and char_type_node.
11818 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11819 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11820 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11822 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11823 Daniel Berlin <dberlin@dberlin.org>
11825 * tree-tailcall.c (arg_needs_copy_p): New function.
11826 (eliminate_tail_call): Use arg_needs_copy_p.
11827 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11828 (add_virtual_phis): New function.
11830 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11832 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11833 #ignore instead of #scratch for %g7 .register directive.
11835 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11837 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11840 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11842 * flow.c (calculate_global_regs_live): Assert that there aren't any
11845 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11847 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11848 what its name says.
11849 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11850 bsi_after_labels iterator.
11851 * tree-if-conv.c (find_phi_replacement_condition,
11852 replace_phi_with_cond_modify_expr): Likewise.
11853 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11854 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11856 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11858 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11860 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11863 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11864 array after growing it.
11866 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11868 PR middle-end/24901
11869 * fold-const.c (fold_checksum_tree): Change type of buf.
11871 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11873 * reload.c (push_secondary_reload): Initialize t_icode.
11875 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11877 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11878 -msoft-float -mlong-double-128 only issue a warning, but don't
11879 swich to DFmode long double.
11881 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11883 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11884 has a constant equivalent, iterate over equivalents for arg0,
11885 calling simplify_relational_operation and if there's a result
11886 cheaper than X, apply fold_rtx and return the result.
11888 2006-02-01 Jan Hubicka <jh@suse.cz>
11890 * opts.c (no_unit_at_a_time_default): New global variable.
11891 (decode_options): Use it.
11892 * opts.h (no_unit_at_a_time_default): Declare.
11894 2006-02-01 Paul Brook <paul@codesourcery.com>
11896 * function.c (assign_parm_setup_reg): Use function argument promotion
11898 * expr.c (expand_expr_real_1): Use function argument promotion rules
11901 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11903 * gcc.c (process_command): Change j to 'unsigned int'.
11905 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11907 PR middle-end/26001
11908 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11909 Use the corrected index for the character
11910 out of the string constant.
11912 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11914 * mode-switching.c (optimize_mode_switching): Fix size
11915 allocated for bb_info[n_entities].
11917 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11919 * gcc.c (main): Correct type that is allocated for
11920 explicit_link_files.
11922 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11924 * config/s390/s390.c (init_alignment_context): Set
11925 ALIAS_SET_MEMORY_BARRIER on the MEM.
11926 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11928 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11930 PR middle-end/25933
11931 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11933 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11936 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11938 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11939 * regrename.c: Ditto.
11940 * tree-ssa-loop-im.c: Ditto.
11941 * tree-dump.c: Ditto.
11942 * tree-complex.c: Ditto.
11943 * genrecog.c: Ditto.
11944 * tree-ssa-threadupdate.c: Ditto.
11946 * java/class.c: Ditto.
11947 * java/jcf-parse.c: Ditto.
11948 * java/resource.c: Ditto.
11949 * java/except.c: Ditto.
11950 * java/jvspec.c: Ditto.
11951 * java/jcf-write.c: Ditto.
11952 * java/jcf-path.c: Ditto.
11953 * java/gjavah.c: Ditto.
11954 * java/zextract.c: Ditto.
11955 * java/jcf-io.c: Ditto.
11956 * java/jcf.h: Ditto.
11957 * java/buffer.c: Ditto.
11958 * java/lang.c: Ditto.
11959 * java/parse-scan.y: Ditto.
11960 * java/lex.c: Ditto.
11961 * java/lex.h: Ditto.
11962 * cfgloopmanip.c: Ditto.
11963 * postreload-gcse.c: Ditto.
11964 * tree-ssa-loop-manip.c: Ditto.
11965 * postreload.c: Ditto.
11966 * tree-ssa-loop-ch.c: Ditto.
11969 * cppspec.c: Ditto.
11970 * diagnostic.c: Ditto.
11972 * genoutput.c: Ditto.
11974 * cfghooks.c: Ditto.
11975 * cfgloopanal.c: Ditto.
11976 * objc/objc-act.c: Ditto.
11978 * genextract.c: Ditto.
11979 * genautomata.c: Ditto.
11980 * pretty-print.c: Ditto.
11981 * genemit.c: Ditto.
11982 * cgraphunit.c: Ditto.
11984 * df-scan.c: Ditto.
11985 * haifa-sched.c: Ditto.
11986 * dominance.c: Ditto.
11988 * tree-ssa-loop-ivopts.c: Ditto.
11989 * df-core.c: Ditto.
11990 * mode-switching.c: Ditto.
11991 * modulo-sched.c: Ditto.
11993 * ipa-pure-const.c: Ditto.
11995 * fix-header.c: Ditto.
11997 * tree-stdarg.c: Ditto.
11998 * ipa-utils.c: Ditto.
11999 * loop-init.c: Ditto.
12000 * ipa-inline.c: Ditto.
12001 * cfganal.c: Ditto.
12003 * alloc-pool.c: Ditto.
12004 * dwarf2out.c: Ditto.
12006 * genattrtab.c: Ditto.
12007 * tree-ssa-loop-ivcanon.c: Ditto.
12008 * predict.c: Ditto.
12009 * timevar.c: Ditto.
12011 * fortran/gfortranspec.c: Ditto.
12012 * regmove.c: Ditto.
12013 * local-alloc.c: Ditto.
12014 * langhooks.c: Ditto.
12015 * function.c: Ditto.
12016 * tree-vectorizer.c: Ditto.
12018 * ipa-type-escape.c: Ditto.
12020 * tree-if-conv.c: Ditto.
12021 * profile.c: Ditto.
12023 * tree-data-ref.c: Ditto.
12024 * loop-unroll.c: Ditto.
12025 * treelang/treetree.c: Ditto.
12027 * bt-load.c: Ditto.
12028 * ggc-common.c: Ditto.
12030 * coverage.c: Ditto.
12032 * tree-cfgcleanup.c: Ditto.
12033 * tree-ssa-pre.c: Ditto.
12034 * cfgcleanup.c: Ditto.
12035 * loop-invariant.c: Ditto.
12036 * loop-iv.c: Ditto.
12037 * ipa-prop.c: Ditto.
12038 * print-tree.c: Ditto.
12039 * conflict.c: Ditto.
12040 * ggc-page.c: Ditto.
12041 * sched-deps.c: Ditto.
12042 * regclass.c: Ditto.
12043 * tree-object-size.c: Ditto.
12044 * combine.c: Ditto.
12045 * bb-reorder.c: Ditto.
12046 * resource.c: Ditto.
12047 * var-tracking.c: Ditto.
12048 * cfgloop.c: Ditto.
12049 * df-problems.c: Ditto.
12050 * reg-stack.c: Ditto.
12052 * gccspec.c: Ditto.
12053 * sched-rgn.c: Ditto.
12054 * tree-ssa-structalias.c: Ditto.
12055 * tree-ssa-reassoc.c: Ditto.
12056 * config/darwin-c.c: Ditto.
12057 * config/darwin.c: Ditto.
12058 * config/arm/arm.c: Ditto.
12060 * collect2.c: Ditto.
12061 * reload1.c: Ditto.
12063 2006-01-31 Nicolas Pitre <nico@cam.org>
12065 * arm.md (smaxsi3): Make aware of smax_m1.
12068 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12070 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12072 2006-01-31 Richard Guenther <rguenther@suse.de>
12074 * doc/invoke.texi (-msselibm): Document.
12075 * target.h (expand_library_builtin): New target hook.
12076 * builtins.c (expand_builtin): Use expand_library_builtin.
12077 (default_expand_library_builtin): New function.
12078 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12079 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12080 (link_gcc_math_spec): Declare.
12081 (static_specs): Add link_gcc_math_spec.
12082 * expr.h (default_expand_library_builtin): Declare.
12083 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12084 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12085 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12086 * config/i386/i386.opt (msselibm): New target option.
12087 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12088 (ix86_init_sse_abi_builtins): New function.
12089 (ix86_expand_library_builtin): Likewise.
12090 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12091 (override_options): Handle error conditions wrt -msselibm.
12092 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12093 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12094 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12097 2006-01-31 Richard Guenther <rguenther@suse.de>
12098 Paolo Bonzini <bonzini@gnu.org>
12100 * doc/install.texi (--disable-libgcc-math): Document.
12102 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12104 * expr.h (expand_normal): new inline function.
12105 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12106 * dojump.c: use it.
12107 * dwarf2out.c: use it.
12110 * expmed.c: use it.
12111 * except.c: use it.
12112 * config/sparc/sparc.c: use it.
12113 * config/i386/i386.c: use it.
12114 * config/rs6000/rs6000.c: use it.
12115 * config/arm/arm.c: use it.
12116 * config/mips/mips.c: use it.
12117 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12119 2006-01-30 Roger Sayle <roger@eyesopen.com>
12121 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12122 argv to the appropriate type.
12124 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12126 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12129 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12132 * config/s390/s390.c (struct machine_function): New flag
12133 decomposed_literal_pool_addresses_ok_p.
12134 (s390_reorg): Set it before final stage of literal pool transforms.
12135 (s390_decompose_address): Only accept displacements of the form
12136 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12138 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12140 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12141 the comparison routine return.
12143 2006-01-30 Michael Matz <matz@suse.de>
12145 * global.c (find_reg): Only evict for global regs.
12146 Take n_refs into account and dump more info.
12148 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12151 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12152 (pragma_trap, pragma_nosave_low_regs): Likewise.
12153 (current_function_anonymous_args): Likewise.
12154 (sh_deferred_function_attributes): New variable.
12155 (sh_deferred_function_attributes_tail): Likewise.
12156 (print_operand): For '@', look up trap_exit attribute.
12157 (calc_live_regs): Look up trapa_handler attribute. For trapa
12158 handlers, save/restore fpscr, but don't do any other
12159 interrupt-specific saves.
12160 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12161 Fix check for partially saved registers to check for SHmedia.
12162 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12163 (sh_output_function_epilogue): Don't clear any of the removed
12165 (sh_insert_attributes): Don't check pragma_interrupt.
12166 Insert deferred attributes. Check that interrupt attribute is
12167 present for other attributes that require its presence.
12168 (sh_attribute_table): Add new attributes trapa_handler and
12170 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12171 Don't check for pragma_interrupt. Don't store argument.
12172 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12173 (sh_deferred_function_attributes): Declare.
12174 (sh_deferred_function_attributes_tail): Likewise.
12175 * sh.md (sp_switch_1): Add operand. Change generator caller.
12176 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12177 (*return_i): Don't use when trap_exit attribute is in effect.
12178 (*return_trapa): New insn pattern.
12179 * sh-c.c: New file.
12180 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12181 setting c_target_objs and cxx_target_objs.
12182 * t-sh: Add rule for sh-c.o.
12184 2006-01-30 Richard Guenther <rguenther@suse.de>
12187 * gimplify.c (gimplify_target_expr): Handle easy cases
12188 without creating a temporary.
12190 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12192 * vec.h (safe_grow): Remove duplicated line.
12194 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12197 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12198 (expand_omp): ... here.
12199 (expand_omp_parallel): Only remove barriers for combined
12200 parallel+workshare constructs.
12202 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12206 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12207 * tree.c (build_qualified_type): Chain the new type to the original
12208 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12209 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12210 (build_pointer_type_for_mode): Only return unqualified types.
12211 (build_reference_type_for_mode): Likewise.
12213 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12215 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12216 * Makefile.in (CXX_COMPAT_WARN): Define.
12217 * configure: Regenerate.
12219 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12222 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12225 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12227 * toplev.c: Fix thinko.
12229 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12230 Marcin Dalecki <martin@dalecki.de>
12232 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12233 (push_srcloc): Use XNEW.
12234 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12236 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12238 * df-core.c (df_set_blocks): Deleted all variable.
12240 2006-01-28 Ian Lance Taylor <ian@airs.com>
12242 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12243 cgraph_output_pending_asms.
12245 2006-01-28 Zack Weinberg <zackw@panix.com>
12247 * c.opt: Add -W(no-)overlength-strings.
12248 * doc/invoke.texi: Document it.
12249 * c-opts.c (c_common_handle_option): -pedantic implies
12250 -Woverlength-strings, if not explicitly disabled already.
12251 (c_common_post_options): -Woverlength-strings defaults to off, and
12252 is always off for C++.
12253 * c-common.c (fix_string_type): Issue warning about strings longer
12254 than is portable only if warn_overlength_strings. Rearrange code
12255 a little for clarity.
12256 * configure.in: Check for -Wno-overlength-strings as well before
12257 enabling -pedantic in stage 1.
12258 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12259 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12261 * genconditions.c (write_header, write_one_condition)
12262 (write_conditions, write_writer): Consolidate very long strings
12263 that were broken up to fit in C89 portable limit. Don't use
12264 printf when fputs will do.
12266 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12268 * combine.c (simplify_comparison <AND>): Check
12269 TRULY_NOOP_TRUNCATION before start using a subreg.
12271 * config/mips/mips.md (*branch_zero<mode>,
12272 *branch_zero<mode>_inverted, *branch_equality<mode>,
12273 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12274 Remove mode check from comparisons.
12276 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12278 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12280 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12282 * expmed.c (const_mult_add_overflow_p): Remove.
12283 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12285 * recog.c (validate_replace_rtx_subexp): Remove.
12286 * recog.h: Remove the prototype for
12287 validate_replace_rtx_subexp.
12289 * integrate.h: Remove the prototype for
12290 copy_decl_for_inlining.
12291 * rtl.h: Remove the prototype for mark_constant_function.
12292 * tree-vectorizer.h: Remove the prototype for
12293 vect_strip_conversion.
12295 * modulo-sched.c (create_partial_schedule,
12296 free_partial_schedule, reset_partial_schedule): Make them
12299 * hooks.c (hook_bool_rtx_int_false): Remove.
12300 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12302 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12304 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12305 and -mlong-double-128 are incompatible.
12306 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12307 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12308 (TARGET_LIBGCC2_CFLAGS): Define.
12309 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12310 (TARGET_LIBGCC2_CFLAGS): Same.
12311 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12313 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12316 * c-typeck.c (build_binary_op): Perform implicit casts of
12317 operands before shortening them.
12319 * cfgloopmanip.c (split_loop_bb): Remove.
12320 * cfgloop.h: Remove the prototype for split_loop_bb.
12322 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12323 * cfgloop.h: Remove the prototype for
12324 flow_loop_outside_edge_p.
12326 * emit-rtl.c (init_virtual_regs): Make it static.
12327 * function.h: Remove the prototype for init_virtual_regs.
12329 * recog.c (peephole2_optimize): Make it static.
12330 * recog.h: Remove the prototype for peephole2_optimize.
12332 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12334 * df-scan.c (df_record_entry_block_defs): Check if
12335 INCOMING_RETURN_ADDR_RTX is defined.
12337 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12338 Kenneth Zadeck <zadeck@naturalbridge.com>
12340 PR rtl-optimization/24762
12341 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12342 * targhooks.c (hook_void_bitmap): New hook prototype.
12343 * targhoohs.h (hook_void_bitmap): Ditto.
12344 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12345 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12346 * target.h (live_on_entry): New function pointer.
12347 * df-scan.c (df_all_hard_regs): Removed.
12348 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12349 (df_scan_free_internal): Added df->entry_block_defs.
12350 (df_scan_alloc): Ditto.
12351 (df_scan_dump): Ditto.
12352 (df_uses_record): Plumbed flag field properly thru calls.
12353 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12354 This part fixes PR24762.
12355 (df_bb_refs_record): Added code to make the frame and arg
12356 pointers live in EH blocks.
12357 (df_refs_record): Added call to df_record_entry_block_defs.
12358 (df_record_entry_block_defs): New function.
12359 * df-core.c: Added comments to describe new artifical defs.
12360 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12361 (entry_block_defs): New field in struct df.
12362 (df_all_hard_regs): Deleted.
12363 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12364 * df-problems.c (df_ru_bb_local_compute_process_def):
12365 Added code to handle artifical defs in the entry to a function.
12366 (df_ru_bb_local_compute): Ditto.
12367 (df_rd_bb_local_compute_process_def): Ditto.
12368 (df_rd_bb_local_compute): Ditto.
12369 (df_lr_bb_local_compute): Ditto.
12370 (df_ur_bb_local_compute): Ditto.
12371 (df_urec_bb_local_compute): Ditto.
12372 (df_chain_create_bb): Ditto.
12373 (df_ur_local_finalize): Removed entry.
12374 (df_urec_init): Ditto.
12375 (df_urec_local_finalize): Ditto.
12376 (df_ri_bb_compute): Added detection of last use of pseudos.
12377 * Makefile.in (df-scan.o): Updated dependencies.
12378 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12379 * config/mips/mips.c (mips_set_live_on_entry): Added.
12380 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12382 * dce.c (marked_insn_p): Added code to handle artifical defs.
12384 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12386 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12388 (_mm_cvtsi128_si64): Likewise.
12389 (_mm_cvtsd_si64): Likewise.
12390 (_mm_cvttsd_si64): Likewise.
12391 (_mm_cvtsi64_sd): Likewise.
12392 (_mm_cvtsi64_si128): Likewise.
12393 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12394 (_mm_cvtsi64_m64): Likewise.
12395 (_m_to_int64): Likewise.
12396 (_mm_cvtm64_si64): Likewise.
12397 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12398 (_mm_cvttss_si64): Likewise.
12399 (_mm_cvtsi64_ss): Likewise.
12400 (_mm_cvtss_f32): Likewise.
12402 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12404 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12405 for pragma redefine_extname.
12407 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12410 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12411 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12412 -mno-minimal-toc to previous content.
12413 (bispecs): Remove goal.
12414 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12415 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12416 compatibility aliases on powerpc-*-*gnu*.
12417 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12418 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12419 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12420 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12421 (ldblspecs): New goal.
12422 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12423 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12425 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12426 L_sf_to_tf or L_df_to_tf is defined.
12428 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12429 Alan Modra <amodra@bigpond.net.au>
12432 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12433 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12434 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12435 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12436 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12437 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12438 (rs6000_override_options): Initialize rs6000_ieeequad.
12439 Initialize TFmode format to ibm_extended_format if not
12441 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12443 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12444 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12445 (function_arg_advance): IBM long double passed in two FPRs, not
12447 (function_arg): IBM long double passed in FPRs.
12448 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12449 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12450 Only multireg GPR aligned.
12451 (rs6000_init_libfuncs): Enable IBM long double functions if not
12453 (rs6000_generate_compare): Use IBM long double compare if not
12455 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12456 (TARGET_IEEEQUAD): Define.
12457 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12458 not TARGET_IEEEQUAD.
12459 * config/rs6000/rs6000.md: Enable TFmode patterns if
12461 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12462 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12463 and -mlong-double-128 are incompatible.
12464 * doc/invoke.texi (-mabi): Collect options together. Add
12465 ibmlongdouble and ieeelongdouble.
12467 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12469 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12471 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12472 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12473 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12474 * rtl.h (rtunion_def): Remove rt_ptr.
12476 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12477 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12478 * config/i386/winnt.c (i386_pe_mark_dllexport)
12479 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12481 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12483 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12485 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12489 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12490 pthread_key_delete. From John David Anglin. gthrw-ify
12491 pthread_getunique_np only if it it's not a macro. Delete
12493 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12494 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12495 __gthread_objc_condition_signal, __gthread_key_delete): Add
12496 "__attribute__ ((__unused__))" to unused arguments.
12497 (__gthread_recursive_mutex_init_function): Add missing return.
12498 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12499 gthr-posix95.h: Use macro-based approach for name redirection
12500 on targets missing weakref.
12502 2006-01-26 Zack Weinberg <zackw@panix.com>
12504 * genconditions.c (write_header): In generated code, #ifdef out
12505 all includes and fake declarations, except includes of bconfig.h
12506 and system.h, unless GCC_VERSION >= 3001. Do not include
12507 gensupport.h in any case.
12508 (write_conditions): Generate a definition of struct c_test. Add
12509 a comment to the generated #endif.
12510 (write_one_condition): Escape backslashes in string too.
12511 (write_writer): Generated code must escape backslashes and quote
12512 marks (but not newlines) in the strings it writes.
12513 * Makefile.in (build/gencondmd.o): Update dependencies.
12515 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12518 * Makefile.in (insn-automata.o): Add header file dependencies.
12519 * genautomata.c: Add includes.
12521 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12524 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12526 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12528 * configure.ac: Expect target tools paths to be passed from the toplevel
12529 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12531 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12533 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12536 * c.opt (Wpointer-sign): Init to -1.
12537 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12538 OPT_pedantic, to 0 otherwise.
12539 * doc/invoke.texi: Update.
12541 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12543 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12544 constants provided by 80387 instructions in the destination mode.
12546 2006-01-26 Richard Guenther <rguenther@suse.de>
12547 Andrew Pinski <pinskia@physics.uc.edu>
12550 partial PR tree-opt/17064
12551 * tree-ssa-structalias.c (intra_create_variable_infos):
12552 Create heap variables for incoming parameters if
12553 flag_argument_noalias > 1.
12554 (find_what_p_points_to): Look through default defs of
12557 2006-01-26 Jeff Law <law@redhat.com>
12560 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12561 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12562 within the VR_RANGE, use the VR_RANGE as the result, not the
12564 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12565 bounds for the type.
12567 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12569 * tree-ssa-alias.c (maybe_create_global_var): Change
12570 subvar walking to an assertion that we don't have subvar'd variables.
12572 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12575 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12576 Use a new variable, inner. PARM_DECLs are always non-weak.
12578 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12580 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12581 --disable-checking.
12583 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12585 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12587 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12589 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12590 (smax_insn, smin_insn, smax_0, smin_0): New.
12592 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12595 * config/cris/cris.c (cris_order_for_addsi3): New function.
12596 * config/cris/cris-protos.h: Prototype it.
12597 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12598 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12599 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12600 (split for "op.S1 [rx=rx+i],ry (swapped)")
12601 (split for "op(s|u).S1 [rx=rx+i],ry")
12602 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12603 Apply cris_order_for_addsi3 when generating addsi3 insns.
12605 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12607 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12608 (TREE_BLOCK): Add call to EXPR_CHECK.
12610 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12613 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12614 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12615 (dump_omp_clauses): ... here.
12616 (dump_generic_node): Handle OMP_CLAUSE.
12617 * tree.c (omp_clause_num_ops): New.
12618 (omp_clause_code_name): New.
12619 (tree_code_size): Handle OMP_CLAUSE.
12620 (tree_size): Likewise.
12621 (make_node): Document handling of OMP_CLAUSE.
12622 (tree_node_structure): Handle OMP_CLAUSE.
12623 (omp_clause_check_failed): New.
12624 (omp_clause_range_check_failed): New.
12625 (omp_clause_operand_check_failed): New.
12626 (build_omp_clause): New.
12627 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12628 * tree.h (enum omp_clause_code): Declare.
12629 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12630 (OMP_CLAUSE_RANGE_CHECK): Define.
12631 (OMP_CLAUSE_ELT_CHECK): Define.
12632 (omp_clause_check_failed): Declare.
12633 (omp_clause_operand_check_failed): Declare.
12634 (omp_clause_range_check_failed): Declare.
12635 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12636 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12637 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12638 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12639 (OMP_CLAUSE_IF_EXPR): Likewise.
12640 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12641 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12642 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12643 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12644 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12645 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12646 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12647 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12648 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12649 (OMP_CLAUSE_CODE): Define.
12650 (OMP_CLAUSE_SET_CODE): Define.
12651 (OMP_CLAUSE_CODE): Define.
12652 (OMP_CLAUSE_OPERAND): Define.
12653 (struct tree_omp_clause): Declare.
12654 (union tree_node): Add field 'omp_clause'.
12655 * treestruct.def (TS_OMP_CLAUSE): Define.
12656 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12657 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12658 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12659 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12660 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12661 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12662 (OMP_CLAUSE): Define.
12663 * print-tree.c (print_node): Handle OMP_CLAUSE.
12664 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12665 * c-typeck.c: Likewise.
12666 * gimplify.c: Likewise.
12667 * c-omp.c: Likewise.
12668 * tree-nested.c: Likewise.
12669 * tree-inline.c: Likewise.
12670 * c-parser.c: Likewise.
12671 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12674 2006-01-25 Roger Sayle <roger@eyesopen.com>
12676 PR rtl-optimization/25703
12677 * combine.c (try_combine): Handle zero_extract and strict_low_part
12678 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12680 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12682 * global.c: Fix comment typos.
12684 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12687 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12688 Use output_addr_const instead of assemble_name.
12690 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12692 * Makefile.in (sched-vis.o): Update dependencies.
12693 * haifa-sched.c (sched_finish): Clear current_sched_info.
12694 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12695 (dump_flow_info): Call it.
12696 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12698 * basic-block.h (dump_bb_info): Declare.
12699 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12700 option, and apply options only for dump files whose TDF_RTL,
12701 TDF_TREE, or TDF_IPA bits match.
12702 * rtl.h: Declare new functions exported from sched-vis.c.
12703 * sched-vis.c: Enable also if scheduling is not used.
12704 (print_value): Print the mode of registers if not inside scheduling.
12705 (print_insn): Make it work outside the scheduler. Beautify the output
12707 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12709 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12711 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12712 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12713 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12714 depending on the value of CONSTANT_POOL_ADDRESS_P.
12715 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12717 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12718 rather than SYMBOL_REF_DECL.
12719 (rtx_constant_pool): Remove const_rtx_sym_htab.
12720 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12721 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12722 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12723 Remove handling of const_rtx_sym_htab.
12724 (find_pool_constant): Delete.
12725 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12726 rather than find_pool_constant.
12727 (get_pool_constant_for_function): Delete.
12728 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12729 find_pool_constant.
12730 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12731 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12732 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12733 (SYMBOL_REF_CONSTANT): New macro.
12734 (get_pool_constant_for_function): Delete.
12735 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12736 rather than SYMBOL_REF_DECL.
12737 (i386_pe_mark_dllimport): Likewise.
12738 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12739 rather than SYMBOL_REF_DECL.
12740 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12741 (machopic_indirect_call_target): Likewise.
12743 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12745 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12747 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12749 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12751 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12753 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12755 2006-01-24 David Daney <ddaney@avtrex.com>
12758 * configure.ac (enable_tls): New enable option.
12759 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12760 * configure: Regenerate.
12761 * doc/install.texi (--enable-tls): Document new option.
12762 (--disable-tls): Ditto.
12764 2006-01-24 Richard Henderson <rth@redehat.com>
12766 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12767 * alias.c (true_dependence): Respect it.
12768 (canon_true_dependence, write_dependence_p): Likewise.
12769 * builtins.c (get_builtin_sync_mem): Set it.
12771 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12773 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12776 2006-01-24 DJ Delorie <dj@redhat.com>
12778 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12779 for storing constants in single-bit bitfields.
12781 2006-01-25 Ben Elliston <bje@au.ibm.com>
12783 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12785 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12788 * tree-ssa-pre.c (phi_translate): Return NULL
12789 for AGGREGATE_TYPE's.
12791 2006-01-24 Zack Weinberg <zackw@panix.com>
12793 * genautomata.c (process_state_for_insn_equiv_partition):
12794 Use xcalloc for insn_arcs_array.
12795 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12796 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12798 2006-01-24 Richard Henderson <rth@redhat.com>
12800 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12801 update all callers.
12803 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12805 PR rtl-optimization/25890
12806 PR rtl-optimization/25905
12807 * combine.c (expand_compound_operation, expand_field_assignment):
12808 Fail if the bitfield's final position is out of bounds.
12810 2006-01-24 Ian Lance Taylor <ian@airs.com>
12812 PR middle-end/25930
12813 * cgraphunit.c (cgraph_output_in_order): Don't clear
12814 cgraph_asm_nodes until after asm strings have been output.
12816 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12818 * fix-header.c (read_scan_file): Add new parameter imultilib when
12819 calling register_include_chains.
12821 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12823 * omp-low.c: Update documentation.
12825 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12826 Daniel Berlin <dberlin@dberlin.org>
12830 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12831 return from the function.
12833 2006-01-22 Zack Weinberg <zackw@panix.com>
12835 * rtl.def (match_code): Add second argument.
12836 * genpreds.c (write_extract_subexp): New function.
12837 (write_match_code): Add path argument. Use write_extract_subexp.
12838 (write_predicate_expr): Pass path to write_match_code.
12839 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12840 not perform a mode test.
12841 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12842 a subexpression does not constrain the top-level code set.
12843 * read-rtl.c (read_rtx_variadic): New function.
12844 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12845 * doc/md.texi: Document new notation.
12846 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12847 (cmpsi_operand): ... here, using new notation.
12849 2006-01-22 Zack Weinberg <zackw@panix.com>
12851 * varray.c: Remove GENERATOR_FILE #ifdefs.
12853 2006-01-22 Zack Weinberg <zackw@panix.com>
12855 * genautomata.c (output_reserved_units_table): Emit nothing if
12856 description->query_units_num is zero. Remove extra blank line.
12857 (output_cpu_unit_reservation_p): Short circuit
12858 if description->query_units_num is zero.
12860 2006-01-22 Zack Weinberg <zackw@panix.com>
12862 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12863 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12864 nor any of the random handful of variables that used to be necessary
12865 when this program was linked with rtlanal.o. Prune set of forward
12866 function declarations.
12867 (struct attr_desc): Remove static_p field.
12868 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12869 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12870 (attr_string): Do not read the character one past the length of
12872 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12873 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12874 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12875 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12876 (make_automaton_attrs): New.
12877 (main): Do not call into genautomata. Call local gen_bypass
12878 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12879 Remove special case for insn_alts.
12880 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12881 varray.h (leftover from previous change). Prune set of forward
12882 function declarations. Remove state_alts fields from all
12883 structures. Remove state_alts_table from struct automaton.
12884 Make everything except main static. Do not maintain num_dfa_decls.
12885 Do not maintain state_alts fields of various structures.
12886 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12887 (add_arc): Remove state_alts argument. All callers updated.
12888 (output_reserved_units_table): Emit #ifdef here...
12889 (output_tables): ...not here. Don't generate state_alts tables.
12890 (expand_automata): Don't generate attributes.
12891 (write_automata): Don't generate state_alts functions.
12892 (main): New function.
12893 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12894 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12895 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12896 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12897 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12898 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12899 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12900 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12902 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12903 * genattrtab.h: Delete file.
12904 * Makefile.in (OBJS-common): Add insn-automata.o.
12905 (insn-automata.o): New rule.
12906 (simple_generated_c): Add insn-automata.c.
12907 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12908 (genprogmd): Add automata.
12909 (build/genattrtab): Needs no extra objects nor libraries.
12910 (build/genautomata): Needs build/vec.o and -lm.
12912 2006-01-22 Zack Weinberg <zackw@panix.com>
12914 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12915 (output_dfa_max_issue_rate, locked_states_num): Delete.
12916 (struct automaton): Add locked_states field.
12917 (output_dead_lock_vect): Save number of locked states in
12918 automaton->locked_states. If it is zero, don't print anything.
12919 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12920 (output_internal_dead_lock_func): Only test the dead_lock_vect
12921 for automata that have locked states.
12922 (output_statistics): Always print the number of locked states for
12923 each automaton. Calculate total number of locked states here.
12924 (write_automata): Don't call output_dfa_max_issue_rate.
12925 * genattrtab.c: Define length_unit_log as a const variable.
12926 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12927 max_insn_queue_index const.
12928 * final.c (length_unit_log): Declare const.
12929 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12931 2006-01-22 Zack Weinberg <zackw@panix.com>
12933 * genautomata.c: Include vec.h, not varray.h.
12934 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12935 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12936 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12937 VEC_* macros operating on appropriately typed vectors, or to
12938 malloced arrays when the size is known in advance. Const-ify
12939 many char* variables and function arguments. No functional changes.
12940 * Makefile.in (build/varray.o): Delete rule.
12941 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12942 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12944 2006-01-22 Zack Weinberg <zackw@panix.com>
12946 * gensupport.c: Define get_insn_name and record_insn_name here.
12947 (read_md_rtx): Call record_insn_name as appropriate.
12948 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12949 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12950 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12952 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12953 (BUILD_VARRAY): Delete.
12954 (genprognormal): Rename genprogmd. Fold in all programs from
12955 genprognoprint; also attrtab.
12956 (build/genattrtab): Just mention genautomata.o and varray.o.
12957 Reorganize a bit, add comments to make the categories clearer.
12959 2006-01-22 Zack Weinberg <zackw@panix.com>
12961 * genconditions.c (condition_table, add_condition): Delete.
12962 (write_conditions): Don't emit n_insn_conditions nor
12963 insn_elision_unavailable. Issue the gcc version #ifdef here,
12964 inside the table, with no #else clause ...
12965 (write_header): ...not here.
12966 (write_writer): New function.
12967 (main): Don't initialize condition_table. Use add_c_test.
12969 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12970 files on the command line.
12971 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12972 Return -1 if there is no entry in the table, don't abort.
12973 (add_c_test, traverse_c_tests): New functions.
12974 * gensupport.h (insn_elision_unavailable, insn_conditions)
12975 (n_insn_conditions): Delete declarations.
12976 (add_c_test, traverse_c_tests): Declare.
12977 * read-rtl.c: Include gensupport.h.
12978 (read_conditions): New function.
12979 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12980 (read_rtx_1): If we get EOF when we were looking for an initial
12981 open paren, return 0. Call read_conditions when appropriate.
12982 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12983 dummy-conditions.o. Eliminate references to insn-conditions.o,
12984 or change them to build/gencondmd.o, as appropriate. Remove
12985 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12986 from $(simple_generated_c). For all files remaining in those
12987 two lists, add insn-conditions.md to the generator command line.
12988 Give insn-constants.h/s-constants their own rules. Add rules
12989 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12990 (build/read-rtl.o): Depend on gensupport.h.
12991 (genprognormal): Include preds.
12992 (genprogearly): Rename genprognoprint; only difference is now that
12993 they don't link with $(BUILD_PRINT).
12994 * dummy-conditions.c: Delete.
12996 2006-01-22 Zack Weinberg <zackw@panix.com>
12998 * genextract.c: Don't include insn-config.h. Do include vec.h.
12999 Declare vectors of int, char, and locstr.
13000 (locstr): New typedef.
13001 (struct extraction): Make all array fields into bare pointers.
13002 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13003 (insn_code_number): Delete.
13004 (accum_extract): New struct.
13005 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13006 (gen_insn): Take insn_code_number as an argument. Use an
13007 accum_extract structure instead of loading data directly into
13008 a struct extraction, and having to know how big it might get.
13009 (walk_rtx): Operate entirely on an accum_extract structure.
13010 (print_path): Avoid unnecessary use of printf.
13011 (print_header): New function, split out of main. Distinguish
13012 more carefully between an unrecognizable insn and an insn that
13013 has the code number of a define_expand.
13014 (main): Pass insn_code_number to gen_insn. Call print_header
13015 only after parsing. Avoid unnecessary use of printf.
13016 * Makefile.in (build/vec.o): New rule.
13017 (build/genextract): Depend on build/vec.o.
13018 (build/genextract.o): Don't depend on insn-config.h.
13020 2006-01-22 Zack Weinberg <zackw@panix.com>
13022 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13023 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13024 practical. Eliminate per-generator-program link rules.
13026 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13028 PR middle-end/24437
13029 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13030 with a call expr to ...
13031 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13033 2006-01-23 Richard Guenther <rguenther@suse.de>
13035 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13036 before make_edge with conditional EDGE_TRUE_VALUE.
13038 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13039 Jan Hubicka <jh@suse.cz>
13040 Richard Guenther <rguenther@suse.de>
13042 PR rtl-optimization/25654
13043 * cfgexpand.c (aggregate_contains_union_type): New function.
13044 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13045 for structure variables that contain a union type.
13047 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13049 * gengtype.c (new_structure): Return the structure.
13050 (create_option): Add an extra "next" argument.
13051 (create_field): New function.
13052 (adjust_field_rtx_def): Use create_option and create_field.
13053 Remove a now-unnecessary call to find_structure.
13054 (adjust_field_tree_def): Likewise.
13055 (note_yacc_type): Remove an unnecessary call to find_structure.
13056 * gengtype.h (new_structure): Return the structure.
13057 (create_option): Add an extra argument.
13058 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13059 (option): Adjust calls to create_option.
13061 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13063 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13065 2006-01-22 Paul Brook <paul@codesourcery.com>
13066 Peter Barada <peter@the-baradas.com>
13068 * config/m68k/m68k.md: Add Coldfire FPU support.
13069 Define FP mode macro and associated attributes.
13070 Use it for float mode patterns.
13071 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13072 (LIBCALL_VALUE): Use m68k_libcall_value.
13073 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13074 (m68k_function_value): Ditto.
13075 (emit_move_sequence): Ditto.
13076 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13077 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13078 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13079 (MULTILIB_EXCEPTIONS): Ditto.
13080 * config/m68k/m68k.opt: Add mcfv4e.
13081 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13082 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13083 (m68k_output_function_prologue): Save ColdFire FPU registers.
13084 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13085 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13086 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13087 ColdFire FPU registers.
13088 (m68k_libcall_value, m68k_function_value): New functions.
13089 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13090 (LIBCALL_VALUE): Use m68k_libcall_value.
13091 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13092 (MASK_COLDFIRE): Add MASK_CFV4E.
13093 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13094 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13095 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13096 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13097 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13098 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13099 * doc/invoke.tex: Document -mcfv4e on m68k.
13101 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13103 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13106 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13109 * c-opts.c (c_common_handle_option): Don't include
13110 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13111 * doc/invoke.texi (C++ Dialect Options): Document that
13112 -Wnon-virtual-dtor is no longer included in -Wall.
13114 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13116 * gcov.c (print_version), gcov-dump.c (print_version),
13117 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13120 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13122 * df-scan.c (problem_SCAN): Added NULL reset function.
13123 (df_scan_reset_blocks): Added code to call reset block function
13124 (df_bb_refs_delete) Fixed comment.
13125 (df_insn_refs_delete): Made tolerant of deleting non existent info
13126 for dataflow problems that need to be reset.
13127 * df-core.c (df_set_blocks): Ditto.
13128 * df.h (struct df_problem): Added reset_fun.
13129 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13130 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13131 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13132 functions to clear out all references to def-use or use-def chains.
13134 2006-01-21 Ben Elliston <bje@au.ibm.com>
13136 * varasm.c (assemble_real): Initialise data array.
13138 2006-01-20 Paul Brook <paul@codesourcery.com>
13140 Merge from csl-arm-branch.
13141 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13142 * config/arm/arm.md (movdi): Force operands[1] to a register
13143 if we have a non-register source.
13144 (*arm_movdi, *movdf_soft_insn): Require that one of the
13145 operands be a register.
13146 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13147 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13149 2006-01-20 DJ Delorie <dj@redhat.com>
13151 * varasm.c (initializer_constant_valid_p): Allow pointers
13152 initialized from integer constants of lesser precision.
13153 (output_constant): Allow non-int-sized pointer modes to be
13154 initialized from integer constants.
13156 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13159 * cppdefault.h (struct default_include): Add multilib flag.
13160 * cppdefault.c (cpp_include_defaults): Set it.
13161 * c.opt (-imultilib): New option.
13162 * c-opts.c (imultilib): New.
13163 (c_common_handle_option): Handle -imultilib.
13164 (c_common_post_options): Likewise.
13165 * c-incpath.c (add_standard_paths, register_include_chains):
13167 * c-incpath.h (register_include_chains): Add extra parameter.
13168 * gcc.c (do_spec_1): Generate -imultilib option.
13169 (The Specs Language): Update %I description.
13170 (process_command): Update copyright notice.
13171 * doc/cppopts.texi (-imultilib): Document.
13172 * doc/invoke.texi (-imultilib): Include in option summary.
13173 (%I): Update specs documentation.
13175 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13177 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13179 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13181 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13184 2006-01-20 Richard Guenther <rguenther@suse.de>
13185 Steven Bosscher <stevenb.gcc@gmail.com>
13187 PR rtl-optimization/24626
13188 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13189 EDGE_TRUE_VALUE if in RTL mode.
13192 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13193 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13195 2006-01-20 Dirk Mueller <dmueller@suse.com>
13198 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13199 instead of a special NOP marker.
13200 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13201 NOP marker handling.
13202 * c-common.h (empty_body_warning): Add forward declaration.
13203 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13204 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13206 2006-01-20 Paul Brook <paul@codesourcery.com>
13208 * Makefile.in (lang_checks): Keep going if mkdir fails.
13210 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13212 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13213 be able to clean out basic block when not necessary.
13214 (df_scan_free): Fixed to properly delete information if df is
13215 unused before calling df_finish.
13216 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13217 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13219 (df_bb_refs_delete): New function.
13220 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13221 * df-core.c (df_set_blocks): Added code to properly clean out
13222 unused blocks if they are not part of the blocks to consider.
13223 Added additional null check.
13224 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13225 be able to clean out basic block when not necessary
13226 * df.h (df_free_bb_function): Ditto.
13227 (df_bb_refs_delete): New function.
13228 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13229 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13230 basic block parameter to be able to clean out basic block when not
13232 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13233 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13234 Fixed to properly delete information if df is unused before
13237 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13239 PR rtl-optimization/25799
13240 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13241 Corrected confluence operator to remove bits from op2 before oring
13242 with op1 rather than removing bits from op1.
13243 (df_ru_transfer_function): Corrected test on wrong bitmap which
13244 caused infinite loop. Both of these problems were introduced in
13245 the dataflow rewrite.
13247 2006-01-19 DJ Delorie <dj@redhat.com>
13249 * reload1.c (find_reload_regs): Note the details of reload
13250 failures in the dump file.
13251 (spill_failure): Likewise.
13253 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13255 * loop-iv.c: Include df.h and hashtab.h.
13256 (enum iv_grd_result): New enum.
13257 (DF_REF_IV, DF_REF_IV_SET): New macros.
13258 (struct biv_entry): New.
13259 (df, bivs): New global variables.
13260 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13261 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13263 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13264 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13265 analyzed_for_bivness_p, record_biv): New functions.
13266 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13267 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13268 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13270 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13272 (iv_number_of_iterations): Use new interface to iv analysis.
13273 * loop-unroll.c: Do not include varray.h.
13274 (analyze_iv_to_split_insn): Use new interface to iv
13276 * loop-unswitch.c (may_unswitch_on): Ditto.
13277 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13279 (df_bb_modify): Realloc tables to the new index.
13280 (df_find_use): New function.
13281 * df.h (df_find_use): Declare.
13282 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13284 * cfgloop.h (struct rtx_iv): Remove analysed field.
13285 (iv_get_reaching_def): Removed.
13286 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13287 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13288 (loop-iv.o): Add df.h and hashtab.h dependency.
13289 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13291 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13294 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13296 (__floatundisf, __floatundidf): Likewise.
13297 * libgcc2.h (IS_IBM_EXTENDED): Define.
13299 2006-01-19 DJ Delorie <dj@redhat.com>
13301 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13303 2006-01-19 Paul Brook <paul@codesourcery.com>
13305 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13306 as nothrow when unwinding tables are disabled.
13308 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13311 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13312 of bit-field" when in system header.
13314 2006-01-19 DJ Delorie <dj@redhat.com>
13316 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13317 the 16 bit shift limit of the m16c.
13319 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13322 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13323 * config/i386/i386.c (output_set_got): Output the label if we have one
13324 for the TARGET_DEEP_BRANCH_PREDICTION case.
13326 2006-01-19 Jan Hubicka <jh@suse.cz>
13327 H.J. Lu <hongjiu.lu@intel.com>
13328 Evandro Menezes <evandro.menezes@amd.com>
13330 * invoke.texi (generic): Document
13332 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13333 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13334 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13335 (x86_use_incdec, x86_pad_returns): New variables
13336 (TARGET_CPU_DEFAULT_generic): New constant
13337 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13338 (enum processor_type): Add generic32 and generic64.
13339 * i386.md (cpu attribute): Add generic32/generic64
13340 (movhi splitter): Behave sanely when both partial_reg_dependency and
13341 partial_reg_stall are set.
13342 (K8 splitters): Enable for generic as well.
13343 * predicates.md (incdec_operand): Use TARGET_INCDEC
13344 (aligned_operand): Avoid memory mismatch stalls.
13345 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13346 * ppro.md: Enable for generic32
13347 * i386.c (generic64_cost, generic32_cost): New.
13348 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13349 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13350 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13351 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13352 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13353 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13354 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13355 x86_accumulate_outgoing_args, x86_prologue_using_move,
13356 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13357 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13358 Enable for generic.
13359 (x86_use_incdec, x86_pad_returns): New.
13360 (override_options): Add generic32 and generic64, translate "generic"
13361 to generic32/generic64 and "i686" to "generic32", refuse
13362 "generic32"/"generic64" as arch target.
13363 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13364 (ix86_reorg): Honor PAD_RETURNS.
13366 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13368 * tree-pretty-print.c (dump_generic_node): Handle
13369 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13370 * cgraph.c (cgraph_expand_queue): Rename from
13371 cgraph_analyze_queue. Update all users.
13372 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13373 cgraph_expand_queue.
13374 (cgraph_expand_all_functions): Likewise.
13375 (cgraph_finalize_pending_functions): Remove. Update callers.
13377 * tree.h (OMP_DIRECTIVE_P): Define.
13378 (OMP_PARALLEL_FN): Define.
13379 (OMP_PARALLEL_DATA_ARG): Define.
13380 (OMP_SECTIONS_SECTIONS): Define.
13381 * tree-pass.h (pass_expand_omp): Declare.
13382 * omp-low.c (struct omp_region): Declare.
13383 (struct omp_context): Remove fields 'parallel_type',
13384 'parallel_start_ix' and 'parallel_start_additional_args'.
13386 (struct omp_for_data): Rename from struct expand_omp_for_data.
13387 (omp_regions): New static variable.
13388 (root_omp_region): New static variable.
13389 (find_omp_clause): Make static.
13390 (is_in_combined_parallel_ctx): Remove.
13391 (is_combined_parallel): New.
13392 (extract_omp_for_data): Move earlier in the file.
13393 (workshare_safe_to_combine_p): New.
13394 (get_ws_args_for): New.
13395 (determine_parallel_type): Move earlier in the file.
13396 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13398 (omp_copy_decl): Likewise.
13399 (create_omp_child_function): Likewise.
13400 (lookup_omp_region): New.
13401 (dump_omp_region): New.
13402 (debug_omp_region): New.
13403 (debug_all_omp_regions): New.
13404 (new_omp_region): New.
13405 (scan_omp_parallel): If parallel_nesting_level > 1, the
13406 directive is nested within another parallel directive.
13407 Set OMP_PARALLEL_FN.
13408 (scan_omp_for): Do not try to handle combined parallel+for
13410 Remove FIXME comment.
13411 (scan_omp_nested): Remove.
13412 (scan_omp_1): Do not call scan_omp_nested when
13413 parallel_nesting_level is > 1.
13414 Do not change the DECL_CONTEXT of local variables found.
13415 (lookup_decl_in_outer_ctx): New.
13416 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13417 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13418 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13419 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13420 If CTX is nested, lookup VAR in the outer context when
13421 building copy assignment.
13422 (lower_send_clauses): Rename from expand_send_clauses.
13423 If CTX is nested, lookup VAR in the outer context when
13424 building copy assignments.
13425 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13426 If CTX is nested, lookup VAR in the outer context when
13427 building copy assignments.
13428 (expand_parallel_call): Rename from build_parallel_call.
13429 Handle combined parallel+workshare cases.
13430 Re-implement to emit code into the CFG.
13432 (expand_omp_parallel): Re-implement to emit code into the CFG.
13433 Call move_sese_region_to_fn to outline the sub-graph
13434 containing the parallel region.
13435 (expand_omp_for_1): Remove.
13436 (expand_omp_for_generic): Re-implement to emit code into the
13438 (expand_omp_for_static_nochunk): Likewise.
13439 (expand_omp_for_static_chunk): Likewise.
13440 (expand_omp_for): Likewise.
13441 (expand_omp_sections): Likewise.
13442 (remove_exit_barriers): New.
13443 (expand_omp_synch): New.
13445 (build_omp_regions_1): New.
13446 (build_omp_regions): New.
13447 (execute_expand_omp): New.
13448 (gate_expand_omp): New.
13449 (pass_expand_omp): Define.
13450 (lower_omp_sections): Rename from expand_omp_sections.
13451 Set OMP_SECTIONS_SECTIONS.
13452 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13453 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13454 (lower_omp_single): Rename from expand_omp_simple.
13455 (lower_omp_master): Rename from expand_omp_master.
13456 (lower_omp_ordered): Rename from expand_omp_ordered.
13457 (lower_omp_critical): Rename from expand_omp_critical.
13458 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13459 (lower_omp_for): Re-implement.
13460 (lower_omp_parallel): Re-implement.
13461 (lower_regimplify): Rename from expand_regimplify.
13462 (lower_omp_1): Rename from expand_omp_1.
13463 If there are syntax errors in the program, replace every
13464 OpenMP directive with NOP.
13465 Call lower_omp_* instead of expand_omp_*.
13466 (lower_omp): Rename from expand_omp.
13468 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13469 * tree-gimple.h (enum omp_parallel_type): Remove.
13470 (gimple_boolify): Declare extern.
13471 (find_omp_clause, determine_parallel_type): Remove.
13473 * gimple-low.c (lower_omp_directive): New.
13474 (lower_stmt): Call it.
13475 (record_vars_into): Move from ...
13476 (record_vars): ... here.
13477 Call record_vars_into with current_function_decl.
13479 * gimplify.c (struct gimplify_ctx): Remove fields
13480 combined_pre_p and combined_ctxp. Update users.
13481 (get_formal_tmp_var): Add documentation.
13482 (gimple_boolify): Make extern.
13483 (gimplify_expr_in_ctx): Remove. Update callers.
13484 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13485 will always be a BIND_EXPR.
13486 (gimplify_expr): Handle OMP_RETURN_EXPR.
13487 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13488 (OMP_PARALLEL): Add 3 operands.
13489 (OMP_SECTIONS): Add 1 operand.
13490 (OMP_RETURN_EXPR): Define.
13492 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13493 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13494 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13495 creating a circular free list.
13496 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13498 * tree-flow.h (move_sese_region_to_fn): Declare.
13499 (record_vars_into): Declare.
13500 * tree-cfg.c (make_omp_sections_edges): New.
13501 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13502 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13503 OMP_SECTIONS and OMP_SECTION.
13504 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13505 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13506 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13507 (gather_blocks_in_sese_region): New.
13508 (struct move_stmt_d): Declare.
13509 (move_stmt_r): New.
13510 (move_block_to_fn): New.
13511 (move_sese_region_to_fn): New.
13513 * passes.c (init_optimization_passes): Schedule
13514 pass_expand_omp after pass_init_datastructures.
13516 * tree-ssa-operands.c (get_expr_operands): Handle
13517 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13518 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13520 2006-01-19 Jeff Law <law@redhat.com>
13522 * tree-vrp.c (extract_range_from_assert): Refine the result range
13523 if the variable referenced by the ASSERT_EXPR has a range and
13524 either the tentative result range or the previous range is a
13527 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13529 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13531 2006-01-19 Jan Hubicka <jh@suse.cz>
13533 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13535 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13537 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13538 (expand_compound_operation, expand_field_assignment): Fail if the
13539 bit lengths of an extract operation are out of range.
13540 (make_extraction): Compute wanted_inner_mode based on the position
13541 and length of the extraction. Make it extraction_mode for non-constant
13542 positions, and do not modify offset in that case. When generating a
13543 new MEM, use a mode that can hold the extraction while keeping correct
13544 alignment. Remove code that supported MEMs wrapped by USEs.
13545 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13547 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13549 * config/s390/s390.md ("Y", "y"): New mode attribute.
13550 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13551 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13552 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13553 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13554 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13555 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13556 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13557 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13558 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13559 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13560 "addsi3", "subsi3"): Insn patterns removed.
13561 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13562 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13563 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13564 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13565 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13566 "*sub<mode>3_cconly2"): New insn patterns.
13567 ("addsi3", "subsi3"): New expanders.
13569 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13571 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13572 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13573 existing STMT_VINFO_VECTYPE if available.
13574 (vect_mark_relevant): Add special handling for stmts that are
13575 marked as STMT_VINFO_IN_PATTERN_P.
13576 (vect_analyze_loop): Call vect_pattern_recog.
13577 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13578 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13580 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13581 (vect_recog_func_ptr): New function-pointer type.
13582 * tree-vect-patterns.c: New file.
13583 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13584 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13585 (vect_pattern_recog_1): New functions.
13586 (vect_pattern_recog_funcs): New array of function pointers.
13588 * tree-vectorizer.h (ternary_op): New enum value.
13589 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13590 declaration. Revised documentation. Removed redundant dump prints.
13591 Removed redundant argument. Added support for reduction patterns.
13592 (vectorizable_reduction): Added support for reduction patterns.
13593 (vect_transform_stmt): Added support for patterns.
13595 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13596 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13597 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13598 (expand_widen_pattern_expr): New function.
13599 (init_optabs): Initialize new optabs udot_prod_optab,
13601 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13602 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13603 (expand_widen_pattern_expr): New function declaration.
13604 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13606 * tree-inline.c (estimate_num_insns_1): Added cases for new
13607 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13608 * tree-pretty-print.c (dump_generic_node): Likewise.
13609 (op_prio): Likewise.
13610 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13611 * tree-ssa-operands.c (get_expr_operands): Added case for
13613 * tree-vect-patterns.c (widened_name_p): New function.
13614 (vect_recog_dot_prod_pattern): Added function implementation.
13615 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13616 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13617 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13618 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13620 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13621 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13622 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13623 (init_optabs): Initialize new optabs widen_ssum_optab,
13625 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13626 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13627 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13628 use instead of type of def.
13629 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13630 function implementation.
13631 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13632 widen_ssumv8hi): New.
13634 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13637 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13640 * c-decl.c (add_flexible_array_elts_to_size): New function.
13641 (finish_decl): Use it.
13643 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13645 * diagnostic.h: Include options.h.
13646 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13647 dependancies for diagnostic.h.
13648 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13650 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13652 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13653 (ssa_ro_call_cache_valid): Ditto.
13654 * tree-ssa-alias.c (sort_tags_by_id): New function.
13655 (init_transitive_clobber_worklist): Ditto.
13656 (add_to_worklist): Ditto.
13657 (mark_aliases_call_clobbered): Ditto.
13658 (compute_tag_properties): Ditto.
13659 (set_initial_properties): Ditto.
13660 (compute_call_clobbered): Ditto.
13661 (compute_may_aliases): Call compute_call_clobbered and grouping.
13662 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13663 (compute_flow_insensitive_aliasing): Grouping now happens in our
13665 (setup_pointers_and_addressables): Remove clobbering related code.
13666 (add_may_alias): Ditto.
13667 (replace_may_alias): Ditto.
13668 (get_nmt_for): Ditto.
13669 (create_global_var):
13670 (is_escape_site): Return an escape_type enumeration.
13671 * tree-flow-inline.h (is_call_clobbered): Global var does not
13672 imply call clobbered.
13673 (mark_call_clobbered): Take a reason for marking this. Remove
13674 marking of globalness, and cache invalidation.
13675 (clear_call_clobbered): Remove cache invalidation code.
13676 * tree-dfa.c (dump_variable): If details is on, dump the reason
13678 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13680 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13681 (struct var_ann_d): Ditto.
13682 (enum escape_type): New.
13683 (mark_call_clobbered): Adjust prototype.
13684 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13685 are never call clobbered.
13686 Record reasons for escaping.
13687 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13688 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13689 (ssa_ro_call_cache_valid): Ditto.
13690 (clobbered_v_may_defs): Ditto.
13691 (clobbered_vuses): Ditto.
13692 (ro_call_vuses): Ditto.
13693 (clobber_stats): New.
13694 (init_ssa_operands): Zero out clobber stats.
13695 (fini_ssa_operands): Print out clobber stats.
13696 (get_call_expr_operands): Pass callee fndecl to
13697 add_call_read_ops).
13698 (add_call_clobber_ops): Remove use of cache.
13699 Add use of PURE_CONST information.
13700 (add_call_read_ops): Remove use of cache.
13701 Add use of static not_read information.
13703 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13705 Introduce TLS descriptors for i386 and x86_64.
13706 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13707 (TARGET_ANY_GNU_TLS): New macro.
13708 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13709 (struct machine_function): Add tls_descriptor_call_expanded_p.
13710 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13711 (ix86_current_function_calls_tls_descriptor): Likewise.
13712 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13713 (override_options): Introduce gnu2 tls dialect.
13714 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13716 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13718 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13719 (ix86_init_machine_status): Initialize new field.
13720 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13721 (ix86_tls_module_base): New.
13722 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13723 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13724 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13725 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13726 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13727 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13728 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13729 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13730 * config/i386/predicates.md (tls_modbase_operand): New.
13731 (tp_or_register_operand): New.
13733 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13735 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13736 (look_for_address_of): Ditto.
13737 (ipa_init): Walk the function decls.
13738 (static_execute): Don't set readonly on FUNCTION_DECL's.
13740 2006-01-18 Roger Sayle <roger@eyesopen.com>
13742 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13743 for shifts where the source and destination registers are different.
13745 2006-01-18 Paul Brook <paul@codesourcery.com>
13747 Merge from csl-arm-branch.
13748 2005-03-14 Julian Brown <julian@codesourcery.com>
13749 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13750 (aeabi_llsl): Likewise.
13751 (ashrdi3): Likewise.
13752 (aeabi_lasr): Likewise.
13753 (lshrdi3): Likewise.
13754 (aeabi_llsr): Likewise.
13755 2005-03-10 Julian Brown <julian@codesourcery.com>
13756 * config.gcc: Disable shared libgcc for SymbianOS.
13757 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13759 2006-01-18 DJ Delorie <dj@redhat.com>
13761 * c-pragma.c (handle_pragma_diagnostic): New.
13762 (init_pragma): Register it.
13763 * doc/extend.texi: Document it.
13765 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13766 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13767 (diagnostic_context): Add classify_diagnostic[].
13768 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13769 as errors if they're overridden to DK_WARNING.
13770 (diagnostic_initialize): Initialize classify_diagnostic[].
13771 (diagnostic_set_kind_override): New.
13772 (diagnostic_report_diagnostic): Check for kind changes.
13773 * opts.c (common_handle_option): Take lang_mask. Update callers.
13774 Handle OPT_Werror_.
13775 * common.opt (Werror=): New.
13776 * doc/invoke.texi: Document -Werror=*
13778 2006-01-18 Jeff Law <law@redhat.com>
13780 * tree-vrp.c (test_for_singularity): Correct test for new
13781 min limit. Use operand_equal_p rather than pointer equality
13782 for testing if new min/max values are equal.
13784 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13785 using range information until after propagation and folding.
13787 2006-01-18 Richard Henderson <rth@redhat.com>
13788 Aldy Hernandez <aldyh@redhat.com>
13789 Jakub Jelinek <jakub@redhat.com>
13790 Diego Novillo <dnovillo@redhat.com>
13792 * omp-low.c: New file.
13793 * c-omp.c: New file.
13795 2006-01-18 Richard Henderson <rth@redhat.com>
13796 Jakub Jelinek <jakub@redhat.com>
13797 Diego Novillo <dnovillo@redhat.com>
13799 * doc/invoke.texi: Document -fopenmp.
13800 * tree-dump.h (debug_function): Declare.
13801 * hooks.c (hook_bool_tree_bool_false): New function.
13802 (hook_tree_tree_null): Remove.
13803 (hook_tree_tree_tree_null): New.
13804 * hooks.h: Update to match.
13805 * tree-pretty-print.c (debug_tree_chain): New.
13806 (print_generic_expr): Handle TDF_CHAIN.
13807 (dump_generic_node): Handle BLOCK.
13808 Do not abort with incomplete SWITCH_EXPRs.
13809 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13810 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13811 print space after directive name.
13812 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13813 Handle OMP_MASTER and OMP_ORDERED.
13814 Handle printing of OMP_BODY just in one place, goto
13815 dump_omp_body in the rest of OMP_* nodes that have
13817 Don't handle clause nodes here. Update omp statements to
13818 use dump_omp_clauses.
13819 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13820 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13821 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13822 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13823 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13824 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13825 Adjust output for GOMP_PARALLEL.
13826 (dump_omp_clauses): New.
13827 (print_declaration): Dump DECL_VALUE_EXPR.
13828 (op_symbol_1): Split out of op_symbol.
13829 (dumping_stmts): Remove. Update all users.
13830 * cgraph.c (cgraph_analyze_queue): New.
13831 (cgraph_add_new_function): New.
13832 * cgraph.h (cgraph_analyze_queue): Declare.
13833 (cgraph_add_new_function): Declare.
13834 (cgraph_lower_function): Remove.
13835 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13836 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13837 and TYPE_P nodes in its default clause.
13838 (empty_body_p): New.
13839 (tree_range_check_failed): New.
13840 (build5_stat): New.
13841 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13842 OMP_CLAUSE_REDUCTION_MERGE,
13843 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13844 OMP_CLAUSE_PRIVATE_DEBUG,
13845 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13846 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13847 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13848 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13849 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13850 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13851 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13852 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13853 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13854 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13855 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13856 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13857 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13858 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13859 (TREE_RANGE_CHECK): New.
13860 (empty_body_p): Declare.
13861 (enum omp_clause_default_kind): New.
13862 (build_string_literal): Declare.
13863 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13864 (build5_stat, build5): Declare.
13865 * tree-pass.h (TDF_CHAIN): Define.
13866 * tree-pass.h (PROP_gimple_lomp): Define.
13867 (pass_lower_omp): Declare.
13868 * diagnostic.h (debug_tree_chain): Declare.
13869 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13871 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13872 * builtins.c (build_string_literal): Make extern.
13873 * gcc.c (include_spec_function): New.
13874 (static_spec_functions): Add it.
13875 (main): Move load of libgomp.spec ...
13876 (LINK_COMMAND_SPEC): ... here.
13877 (link_gomp_spec): New.
13878 (static_specs): Include it.
13879 (LINK_COMMAND_SPEC): Add link_gomp.
13880 (GOMP_SELF_SPECS): New.
13881 (driver_self_specs): Include it.
13882 (switch_matches): Don't mark inline.
13883 (main): Load libgomp.spec.
13884 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13885 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13886 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13887 * tree-gimple.h (enum omp_parallel): Declare.
13888 (determine_parallel_type): Declare.
13889 (omp_firstprivatize_variable): Declare.
13890 (omp_reduction_init): Declare.
13891 (diagnose_omp_structured_block_errors): Declare.
13892 (struct walk_stmt_info): Add want_return_expr.
13893 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13894 (find_omp_clause): Declare.
13895 (insert_field_into_struct): Declare.
13896 (struct walk_stmt_info): Move from tree-nested.c
13897 (walk_stmts): Declare.
13898 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13900 * cgraphunit.c (cgraph_lower_function): Make static.
13901 (cgraph_finalize_pending_functions): New.
13902 (cgraph_finalize_function): Call it.
13903 (cgraph_finalize_compilation_unit): Likewise.
13904 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13905 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13906 (BT_FN_UINT_UINT): New.
13907 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13908 DEF_FUNCTION_TYPE_VAR_4): Document.
13909 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13910 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13911 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13912 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13913 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13914 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13915 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13916 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13917 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13918 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13919 into separate files.
13920 (DEF_GOMP_BUILTIN): New.
13921 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13922 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13923 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13924 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13925 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13926 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13927 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13928 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13929 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13930 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13931 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13932 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13933 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13934 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13935 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13936 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13937 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13938 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13939 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13940 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13941 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13942 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13943 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13944 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13945 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13946 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13947 * sync-builtins.def: New file, moved from builtins.def.
13948 * omp-builtins.def: New file, moved from builtins.def.
13949 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13950 * gimple-low.c (lower_function_body): Clear data.
13951 (lower_stmt): Do not handle COMPOUND_EXPR.
13952 Remove call to print_node_brief.
13953 * c-tree.h (c_finish_omp_clauses): New prototype.
13954 (C_DECL_THREADPRIVATE_P): Define.
13955 (lookup_name_no_remap, c_omp_remap_private): Remove
13956 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13957 (check_for_loop_decls): Update decl.
13958 (lookup_name_no_remap, c_omp_remap_private): Declare.
13959 (build_indirect_ref, build_modify_expr, pushdecl,
13960 pushdecl_top_level): Move to c-common.h.
13961 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13962 before the switch, but just in the 2 places that need it.
13963 * c-decl.c (diagnose_mismatched_decls): Do not check for
13964 mismatched thread-local attributes when OLDDECL is marked
13965 threadprivate and NEWDECL has no thread-local attributes.
13966 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13967 (c_gimple_diagnostics_recursively): Rename from
13968 c_warn_unused_result_recursively. Invoke
13969 diagnose_omp_structured_block_errors.
13970 (check_for_loop_decls): Return a singular decl found.
13971 * langhooks.c (lhd_omp_predetermined_sharing): Return
13972 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13973 (lhd_omp_firstprivatize_type_sizes): New.
13974 (lhd_omp_assignment): New.
13975 (lhd_omp_predetermined_sharing): New.
13976 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13977 (struct lang_hooks_for_types): Add
13978 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13979 omp_predetermined_sharing, omp_disregard_value_expr,
13980 omp_private_debug_clause, omp_clause_default_ctor,
13981 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13982 (c_finish_omp_clauses): New.
13983 (c_finish_bc_stmt): Diagnose break within omp for.
13984 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13985 (build_unary_op): Return error_mark after reporting
13987 (build_modify_expr): Likewise.
13988 * gimplify.c: Include optabs.h and pointer-set.h.
13989 (enum gimplify_omp_var_data): Declare.
13990 (struct gimplify_omp_ctx): Declare.
13991 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13993 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13994 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13995 (splay_tree_compare_decl_uid): New.
13996 (new_omp_context): New.
13997 (delete_omp_context): New.
13998 (gimple_add_tmp_var): Call omp_add_variable.
13999 (gimplify_bind_expr): Likewise.
14000 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14001 true, disregard DECL_VALUE_EXPR on the decl if any.
14002 (gimplify_expr_in_ctx): New.
14003 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14004 omp_add_variable, omp_notice_variable, omp_is_private
14005 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14006 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14007 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14008 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14009 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14010 gimplify_omp_atomic): New.
14011 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14012 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14013 OMP_CRITICAL and OMP_ATOMIC.
14014 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14015 * c-pragma.h (enum pragma_kind): Add
14016 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14017 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14018 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14019 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14020 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14021 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14022 PRAGMA_OMP_THREADPRIVATE.
14023 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14024 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14025 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14026 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14027 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14028 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14029 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14030 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14031 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14032 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14033 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14034 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14035 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14037 (struct nesting_info): Add field_map,
14038 suppress_expansion, debug_var_chain.
14039 (create_nesting_tree): Initialize them.
14040 (lookup_field_for_decl): Use field_map.
14041 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14042 (convert_local_omp_clauses): New.
14043 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14044 (walk_body): Split out of walk_function.
14045 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14046 (convert_nonlocal_reference): Handle omp statements.
14047 (convert_local_reference): Likewise.
14048 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14049 (unnest_nesting_tree): New.
14050 (lower_nested_functions): Call it.
14051 (insert_field_into_struct): Make extern.
14052 (struct walk_stmt_info): Move to tree-gimple.h.
14053 (walk_stmts): Make extern.
14054 * omp-builtins.def: New file.
14055 * tree-iterator.c (expr_only): Clarify comment.
14056 * c-common.h (pushdecl_top_level, pushdecl,
14057 build_modify_expr, build_indirect_ref,
14058 c_finish_omp_master, c_finish_omp_critical,
14059 c_finish_omp_ordered, c_finish_omp_barrier,
14060 c_finish_omp_atomic, c_finish_omp_flush,
14061 c_finish_omp_for, c_split_parallel_clauses,
14062 omp_clause_default_kind, c_omp_sharing_predetermined,
14063 c_omp_remap_decl): Declare.
14064 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14065 (OBJS-common): Add omp-low.o.
14066 (c-omp.o, omp-low.o): Add.
14067 (gimplify.o): Add dependency on $(OPTABS_H).
14068 (GTFILES): Add omp-low.c.
14069 (gt-stringpool.h): Add.
14070 * tree-cfg.c (set_bb_for_stmt): Do not update the
14071 block-to-labels map if we are currently expanding to RTL.
14072 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14074 Handle IDENTIFIER_NODE.
14075 (tree_verify_flow_info): Do not ICE when emitting error
14076 messages about invalid labels.
14077 (dump_function_to_file): Reset CFUN before emitting the body
14079 (debug_function): New.
14080 * passes.c (init_optimization_passes): Schedule
14082 * langhooks-def.h (lhd_omp_predetermined_sharing,
14083 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14085 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14086 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14087 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14088 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14089 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14090 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14091 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14092 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14093 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14094 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14095 (LANG_HOOK_DECLS): Use them.
14097 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14098 Richard Henderson <rth@redhat.com>
14099 Jakub Jelinek <jakub@redhat.com>
14100 Diego Novillo <dnovillo@redhat.com>
14102 * c-parser.c (pragma_omp_clause): Define.
14103 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14104 (c_parser_compound_statement): Likewise.
14105 (c_parser_statement): Likewise.
14106 (c_parser_pragma): Handle omp pragmas.
14107 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14108 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14109 (c_parser_omp_clause_name, check_no_duplicate_clause,
14110 c_parser_omp_variable_list,
14111 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14112 c_parser_omp_clause_copyprivate,
14113 c_parser_omp_clause_default,
14114 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14115 c_parser_omp_clause_lastprivate,
14116 c_parser_omp_clause_nowait,
14117 c_parser_omp_clause_num_threads,
14118 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14119 c_parser_omp_clause_reduction,
14120 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14121 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14122 c_parser_omp_atomic, c_parser_omp_barrier,
14123 c_parser_omp_critical, c_parser_omp_flush,
14124 c_parser_omp_for_loop, c_parser_omp_for,
14125 c_parser_omp_master, c_parser_omp_ordered,
14126 c_parser_omp_sections_scope, c_parser_omp_sections,
14127 c_parser_omp_parallel, c_parser_omp_single,
14128 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14129 * c-pragma.c (init_pragma): Do omp pragma registration here.
14130 * c.opt (fopenmp): New flag.
14132 2006-01-18 Eric Christopher <echristo@apple.com>
14134 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14135 * config/darwin.h (GOMP_SELF_SPECS): Define.
14137 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14139 * rtl.h: Remove the prototype for reg_alloc.
14141 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14144 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14145 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14146 sjlj and dwarf2 exception handling.
14147 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14148 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14149 * pa/pa.c (function_value): Treat complex and vector types as
14151 (function_arg): Likewise. Only pass scalar floats in the floating
14152 point argument registers.
14153 * pa/t-slibgcc-dwarf-ver: New file.
14154 * pa/t-slibgcc-sjlj-ver: New file.
14155 * pa/t-slibgcc-elf-ver: Delete file.
14157 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14159 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14160 unlikely_test_section_p test.
14162 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14164 * mode-switching.c (optimize_mode_switching): Make it static.
14165 * basic-block.h: Remove the prototype for
14166 optimize_mode_switching.
14168 * modulo-sched.c (sms_schedule): Make it static.
14169 * rtl.h: Remove the prototype for sms_schedule.
14171 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14172 * rtl.h: Remove the prototype for gcse_after_reload_main.
14174 * reg-stack.c (reg_to_stack): Make it static.
14175 * rtl.h: Remove the prototype for reg_to_stack.
14177 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14179 * rtl.h: Remove the prototypes for regrename_optimize and
14180 copyprop_hardreg_forward.
14182 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14184 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14185 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14186 Test against the appropriate null constant for the mode.
14187 If 'fixup_overlap' is true, swap the operands if they overlap.
14188 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14189 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14190 alpha_split_tmode_pair and adjust for above change.
14191 * config/alpha/alpha.md (movtf_internal): Adjust call to
14192 alpha_split_tfmode_pair and rely on it to swap the operands.
14193 (movti_internal): New insn and post-reload splitter.
14194 (movti): New expander.
14196 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14198 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14201 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14203 * rtlanal.c (global_reg_mentioned_p_1,
14204 global_reg_mentioned_p): Remove.
14205 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14207 * flow.c (initialize_uninitialized_subregs): Make it static.
14208 * rtl.h: Remove the prototype for
14209 initialize_uninitialized_subregs.
14211 * function.c (instantiate_virtual_regs): Make it static.
14212 * function.h: Remove the prototype for
14213 instantiate_virtual_regs.
14215 * regmove.c (regmove_optimize, combine_stack_adjustments):
14217 * rtl.h: Remove the prototypes for regmove_optimize and
14218 combine_stack_adjustments.
14220 2006-01-17 Roger Sayle <roger@eyesopen.com>
14222 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14223 (size_cost): Encode costs in bytes so that a reg-reg addition is
14224 equivalent to COSTS_N_INSNS(1).
14225 (override_options): Use the size_cost.branch_cost as the default
14226 ix86_branch_cost when optimizing for size.
14228 2006-01-18 Ben Elliston <bje@au.ibm.com>
14230 * Makefile.in (D32PBIT_FUNCS): New.
14231 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14232 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14233 D64PBIT_FUNCS and D128PBIT_FUNCS.
14234 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14235 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14237 (decnumber_dep): Define.
14238 * doc/libgcc.texi (Decimal float library routines): New node.
14239 * config/dfp-bit.h, config/dfp-bit.c: New files.
14241 2006-01-18 Ben Elliston <bje@au.ibm.com>
14243 * expr.c (emit_move_change_mode): Always adjust addresses, not
14244 just during reload. Copy replacements only during reload.
14245 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14246 emit_move_via_integer.
14248 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14250 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14251 instead of $(srcdir) and ${srcdir}.
14253 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14256 PR middle-end/11135
14257 * arm.h (struct machine_function): Add pic_reg.
14258 * arm.c (arm_pic_register): Make unsigned.
14259 (arm_override_options): Only set arm_pic_register if
14260 TARGET_SINGLE_PIC_BASE.
14261 (use_return_insn): Only test for a pic register if it is fixed.
14262 (arm_compute_save_reg0_reg12_mask): Likewise.
14263 (thumb_compute_save_reg_mask): Likewise.
14264 (legitimate_pic_operand): Factor out some known invariants.
14265 (legitimize_pic_address): If we don't have a fixed pic register,
14266 then set up a pseudo in the function entry sequence. Handle the
14267 pic base being in a pseudo.
14268 (arm_load_pic_register): Handle the pic register being in a pseudo.
14269 (arm_expand_prologue): Only set up the pic register if it is fixed.
14270 (thumb_expand_prologue): Likewise.
14271 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14272 (pic_load_addr_based_insn): Likewise.
14273 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14276 2006-01-18 Ben Elliston <bje@au.ibm.com>
14278 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14279 decimal float modes for all floating point registers.
14281 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14282 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14284 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14287 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14288 even when the pointer is not NULL.
14290 2006-01-16 Ian Lance Taylor <ian@airs.com>
14292 * common.opt (ftoplevel-reorder): New option.
14293 * cgraph.c (cgraph_asm_nodes): New global variable.
14294 (cgraph_asm_last_node): New static variable.
14295 (cgraph_order): New global variable.
14296 (cgraph_create_node): Set new order field.
14297 (cgraph_varpool_node): Likewise.
14298 (decide_is_variable_needed): Return true if not
14299 flag_toplevel_reorder.
14300 (cgraph_add_asm_node): New function.
14301 * cgraph.h (struct cgraph_node): Add order field.
14302 (struct cgraph_varpool_node): Add order field.
14303 (struct cgraph_asm_node): Define.
14304 (cgraph_asm_nodes, cgraph_order): Declare.
14305 (cgraph_add_asm_node): Declare.
14306 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14308 (cgraph_varpool_assemble_pending_decls): Call it.
14309 (cgraph_output_pending_asms): New static function.
14310 (cgraph_finalize_compilation_unit): Call it.
14311 (struct cgraph_order_sort): Define.
14312 (cgraph_output_in_order): New static function.
14313 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14314 !flag_toplevel_reorder case.
14315 * c-parser.c: Include "cgraph.h".
14316 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14318 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14319 than -fno-unit-at-a-time.
14320 * doc/invoke.texi (Option Summary): Mention
14321 -fno-toplevel-reorder.
14322 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14323 -funit-at-a-time documentation.
14325 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14326 Kazu Hirata <kazu@codesourcery.com>
14328 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14330 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14332 * Makefile.in (FUNCTION_H): New. Use it instead of
14333 function.h throughout the file.
14334 * function.h: Include tree.h.
14336 2006-01-17 Ben Elliston <bje@au.ibm.com>
14338 * recog.c: Separate some functions with whitespace.
14340 2006-01-16 Richard Henderson <rth@redhat.com>
14342 Merge from gomp branch:
14343 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14344 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14345 and rename from struct inline_data. Rename callee* to dst*;
14346 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14347 transform_new_cfg, transform_return_to_modify, and
14348 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14350 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14351 (copy_decl_for_dup): Remove.
14352 * tree-inline.c (struct inline_data): Move to header.
14353 (insert_decl_map): Export.
14354 (remap_decl): Update for member name changes. Use copy_decl hook.
14355 Allow for replacement to be a non-decl. Remove dead code.
14356 (remap_type_1): Check for existing mapping.
14357 (remap_type): Export.
14358 (remap_decls): Update for member name changes.
14359 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14360 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14361 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14362 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14363 (tree_function_versioning, build_duplicate_type): Likewise.
14364 (copy_body_r): Likewise. Export.
14365 (copy_decl_for_dup): Split into ...
14366 (copy_decl_for_dup_finish, copy_decl_to_var,
14367 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14368 (replace_ref_tree, inlining_p): Remove.
14370 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14372 * ifcvt.c (if_convert): Make it static.
14373 * rtl.h: Remove the prototype for if_convert.
14375 * local-alloc.c (local_alloc): Make it static.
14376 * rtl.h: Remove the prototype for local_alloc.
14378 * loop.c (loop_optimize): Make it static.
14379 * cfgloop.h: Remove the prototype for loop_optimize.
14382 2006-01-16 DJ Delorie <dj@redhat.com>
14384 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14387 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14389 * pa.md: Disparage copies between general and floating-point registers
14390 in 32-bit move patterns.
14392 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14395 * Makefile.in (check-%): Depend on site.exp instead of
14396 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14399 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14401 * global.c (global_alloc): Make it static.
14402 * rtl.h: Remove the prototype for global_alloc.
14404 2006-01-16 Richard Guenther <rguenther@suse.de>
14406 * tree-ssa-alias.c (struct used_part): Add write_only field.
14407 (get_or_create_used_part_for): Initialize it to true.
14408 (create_overlap_variables_for): Don't create structure variables
14409 for structures that only are written to.
14410 (find_used_portions): Handle MODIFY_EXPR to track whether a
14411 structure is only written to.
14413 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14415 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14417 * basic-block.h: Remove the prototype for
14418 partition_hot_cold_basic_blocks.
14420 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14422 * cppspec.c (lang_specific_spec_functions): Remove.
14423 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14424 * gcc.h (lang_specific_spec_functions): Remove.
14425 * gccspec.c (lang_specific_spec_functions): Remove.
14427 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14429 * combine.c (record_value_for_reg): Invalidate registers
14431 (record_dead_and_set_regs_1): Likewise, by passing them to
14432 record_value_for_reg.
14433 (record_dead_and_set_regs): Invalidate stores made by a
14434 call. We do not combine across a call, but we still
14435 relied on equivalences.
14437 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14439 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14440 vrp_int_const_binop returning non-constant nodes.
14442 2006-01-16 Paul Brook <paul@codesourcery.com>
14444 * config/m68k/m68k.c (output_move_const_into_data_reg):
14445 Output correct mnemonic for mvz and mvs.
14447 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14449 * rtl-factoring.c: Add sequence abstraction algorithm.
14450 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14451 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14453 (block_has_preserve_label): New function.
14454 * common.opt: Register new pass.
14455 * Makefile.in: Ditto.
14457 * timevar.def: Ditto.
14458 * tree-pass.h: Ditto.
14459 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14460 * rtl.h (make_jump_insn_raw): Add forward decl.
14461 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14463 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14464 Roger Sayle <roger@eyesopen.com>
14466 * fold-const.c (fold_minmax): New static function.
14467 (fold_binary) <MIN_EXPR>: Call it.
14468 <MAX_EXPR>: Likewise.
14469 * stor-layout.c (place_field): Use DECL_SIZE consistently
14470 in the computation of the new record size.
14472 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14474 * cse.c (cse_condition_code_reg): Make it static.
14475 * rtl.h: Remove the prototype for cse_condition_code_reg.
14477 * combine.c (combine_instructions): Make it static.
14478 * rtl.h: Remove the prototype for combine_instructions.
14480 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14483 * tree.c (get_file_function_name_long): Concatenate the first global
14484 object name with a string derived from the input filename of the object
14487 2006-01-16 Ben Elliston <bje@au.ibm.com>
14489 * config/i386/winnt-stubs.c: Update FSF address.
14490 * config/xtensa/ieee754-df.S: Ditto.
14491 * config/xtensa/ieee754-sf.S: Ditto.
14493 2006-01-14 Ian Lance Taylor <ian@airs.com>
14495 * ifcvt.c (noce_init_if_info): New static function, broken out of
14496 noce_process_if_block.
14497 (noce_process_if_block): Call noce_init_if_info.
14498 (check_cond_move_block): New static function.
14499 (cond_move_process_if_block): New static function.
14500 (process_if_block): Call cond_move_process_if_block.
14502 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14504 * cselib.c (hash_table): Rename to cselib_hash_table.
14505 (cselib_clear_table, discard_useless_values,
14506 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14507 cselib_init, cselib_finish): Adjust uses of hash_table.
14509 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14511 PR tree-optimization/25485
14512 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14513 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14514 is known to be false and true, respectively.
14516 2006-01-14 Richard Guenther <rguenther@suse.de>
14518 PR tree-optimization/22548
14519 PR tree-optimization/22555
14520 PR tree-optimization/22501
14521 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14522 * params.def (salias-max-array-elements): New parameter.
14523 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14524 * doc/invoke.texi (salias-max-array-elements): Document.
14525 * tree-flow-inline.h (var_can_have_subvars): We also handle
14527 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14529 * tree-ssa-structalias.c (params.h): Include.
14530 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14531 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14532 (get_constraint_for): For ADDR_EXPR operating on something
14533 containing an ARRAY_REF, add all subvars to the solution.
14534 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14535 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14536 for creating MUST_DEFs.
14537 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14539 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14541 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14543 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14544 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14545 number_of_iterations_le): New functions.
14546 (number_of_iterations_special): Removed.
14547 (number_of_iterations_exit): Do not use number_of_iterations_special.
14548 * tree.c (unsigned_type_for): Always return integer type.
14550 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14551 Richard Guenther <rguenther@suse.de>
14553 PR rtl-optimization/24257
14554 * gcse.c (find_moveable_store): Only consider a store movable
14555 when the SET_SRC of the insn can be assigned to a register.
14557 2006-01-14 Ian Lance Taylor <ian@airs.com>
14559 * tree.c (tree_not_class_check_failed): New function.
14560 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14561 (tree_not_class_check_failed): Declare.
14563 2006-01-13 Ian Lance Taylor <ian@airs.com>
14565 * reload1.c (do_output_reload): Add assertion rejecting a
14568 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14570 * combine.c (struct reg_stat): Add new fields truncation_label and
14572 (record_value_for_reg): Reset truncated_to_mode.
14573 (record_truncated_value): New function.
14574 (check_promoted_subreg): Call it. Rename to check_conversions.
14575 (combine_instructions): Rename check_promoted_subreg to
14577 (reg_truncated_to_mode): New function.
14578 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14579 (gen_lowpart_or_truncate): New function.
14580 (force_to_mode): Use it instead of gen_lowpart.
14582 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14584 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14585 VAR is a tag, not its type tag.
14587 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14589 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14590 alternatives to match style of other entries.
14591 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14593 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14595 PR tree-optimization/25771
14596 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14599 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14602 * tree-inline.c (declare_return_variable): If the return variable
14603 was marked as a non gimple complex, set the return slot variable
14604 to be a non gimple comple variable.
14606 2006-01-13 Richard Guenther <rguenther@suse.de>
14608 * builtins.c (expand_builtin_sincos): New function.
14609 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14611 (expand_builtin): Expand sincos using expand_builtin_sincos.
14613 2006-01-12 DJ Delorie <dj@redhat.com>
14615 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14616 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14617 so that constant shifts can be split.
14618 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14619 (m32c_valid_pointer_mode): Make static.
14620 (shift_gen_func_for): New.
14621 (m32c_prepare_shift): Use it. Split large const shifts into
14623 * config/m32c/predicates.md (shiftcount_operand): Allow more
14625 (longshiftcount_operand): New.
14626 * doc/md.texi (Machine Constraints): Document In6.
14628 2006-01-13 Ben Elliston <bje@au.ibm.com>
14630 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14631 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14634 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14636 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14637 to try to avoid clobbering pieces of structures when we know
14638 something about the whole structure.
14639 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14641 2006-01-13 Ben Elliston <bje@au.ibm.com>
14643 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14644 return in memory, as this is no limitation is no longer present.
14646 2006-01-12 DJ Delorie <dj@redhat.com>
14648 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14649 mova with fb, and for fb+0 -> An.
14651 * config/m32c/mov.md (peephole2): Fix enabling logic.
14653 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14654 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14655 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14656 FINI_ARRAY_SECTION_ASM_OP): Define.
14658 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14660 (m32c_legitimize_reload_address): New logic to reload FB to An.
14661 (m32c_output_reg_push): Add newline.
14662 (m32c_output_reg_pop): Likewise.
14664 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14666 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14668 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14670 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14672 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14674 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14677 2006-01-11 Ben Elliston <bje@au.ibm.com>
14679 * rtlanal.c (find_reg_note): Assert insn is not null.
14681 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14683 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14686 2006-01-11 Jeff Law <law@redhat.com>
14688 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14690 (mark_threaded_blocks, register_jump_thread): New functions.
14691 (thread_through_all_blocks): Remove unwanted argument. No
14692 longer rely on e->aux to communicate thread target info.
14693 Call mark_threaded_blocks. Release the threaded_blocks
14694 bitmap and threaded_edges vector when complete.
14695 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14696 (threaded_blocks): Remove.
14697 (tree_ssa_dominator_optimize): Remove initialization and
14698 finalization of threaded_blocks. Simplify call to
14699 thread_through_all_blocks.
14700 (thread_across_edge): Call register_jump_thread rather than
14701 storing thread information into e->aux.
14702 (free_all_edge_infos): Simplify now that e->aux is no longer
14703 used to communicate with thread_through_all_blocks.
14704 * tree-flow.h (thread_through_all_blocks): Update prototype.
14705 (register_jump_thread): Prototype.
14707 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14709 * df-core.c (df_compact_blocks, df_bb_replace): Use
14710 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14712 2006-01-11 Richard Guenther <rguenther@suse.de>
14714 PR tree-optimization/25734
14715 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14716 stop propagation after successful propagation to the LHS.
14718 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14720 * basic-block.h (control_flow_graph): Change the type of
14721 x_basic_block_info to VEC(basic_block,gc) *.
14722 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14724 (SET_BASIC_BLOCK): New.
14725 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14726 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14727 * cfgbuild.c (find_basic_blocks): Likewise.
14728 * cfglayout.c (fixup_reorder_chain): Likewise.
14729 * cfgrtl.c (create_basic_block_structure,
14730 rtl_create_basic_block): Likewise.
14731 * ifcvt.c (find_if_case_1): Likewise.
14732 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14735 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14737 * Makefile.in: Removed rotted odf.c entry.
14739 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14742 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14743 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14744 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14745 output pattern modifier, not %e.
14746 * config/cris/cris.c (cris_op_str): Update comment about pattern
14748 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14749 before falling through into...
14750 <case 'E'>: Redefined from old 'e' case.
14752 2006-01-11 Jan Hubicka <jh@suse.cz>
14755 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14757 2006-01-11 Jan Hubicka <jh@suse.cz>
14759 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14760 * i386.c (x86_decompose_lea): Kill.
14761 (ix86_rtx_costs): Kill.
14763 2006-01-11 Jan Hubicka <jh@suse.cz>
14765 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14766 * cgraph.h (cgraph_node): Add inline_decl.
14767 (cgraph_insert_node_to_hashtable): Declare.
14768 (save_inline_function_body): Declare.
14769 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14771 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14772 (cgraph_function_versioning): Update call of tree_function_versioning.
14773 (save_inline_function_body): New function.
14774 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14775 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14776 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14777 (cgraph_default_inline_p): Likewise.
14778 (cgraph_decide_inlining_incrementally): Likewise.
14779 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14780 (copy_bb): Kill saving; do updating of clones.
14781 (copy_cfg_body): Kill saving.
14782 (initialize_inlined-parameters): Likewise.
14783 (expand_call_inline): Likewise.
14785 (tree_function_versioning): New parameter "update_clones".
14786 (inlining_p): Kill saving.
14787 * tree-inline.h (tree_function_versioning): Update prototype.
14788 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14791 2006-01-11 Ian Lance Taylor <ian@airs.com>
14793 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14794 Allow undoing set of machine mode.
14795 (do_SUBST): Use enums instead of is_int.
14796 (do_SUBST_MODE): New function.
14797 (SUBST_MODE): New macro.
14798 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14799 reg and trying to replace reg_regno_rtx with a new register.
14800 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14801 (simplify_set): Use SUBST_MODE.
14802 (distribute_notes): Remove code that tried to update reg notes
14803 for regno_reg_rtx changes.
14805 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14807 PR tree-optimization/23109
14808 PR tree-optimization/23948
14809 PR tree-optimization/24123
14811 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14812 * tree-cfg.c (single_noncomplex_succ): New.
14813 * tree-flow.h (single_noncomplex_succ): Declare it.
14814 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14815 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14816 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14817 insert_bb, register_division_in, insert_reciprocals,
14818 replace_reciprocal, free_bb): New.
14819 (execute_cse_reciprocals_1): Rewritten.
14820 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14821 Do not commit any edge insertion. Always compute dominators and
14822 create the allocation pool.
14823 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14824 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14825 * targhooks.c (default_min_divistions_for_recip_mul): New.
14826 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14827 * passes.c (init_optimization_passes): Run recip after tree loop
14829 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14831 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14832 Kenneth Zadeck <zadeck@naturalbridge.com>
14834 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14835 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14836 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14837 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14838 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14839 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14840 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14841 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14842 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14843 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14844 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14845 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14846 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14847 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14848 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14849 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14850 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14851 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14852 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14853 DF_SCAN_POST_ALLOC): New macros.
14854 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14855 df_free_bb_function, df_local_compute_function, df_init_function,
14856 df_dataflow_function, df_confluence_function_0,
14857 df_confluence_function_n, df_transfer_function,
14858 df_finalizer_function, df_free_function, df_dump_problem_function,
14859 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14860 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14861 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14862 df_urec_bb_info, ) New types.
14863 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14865 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14866 df_analyze_simple_change_some_blocks,
14867 df_analyze_simple_change_one_block, df_compact_blocks,
14868 df_bb_replace, df_bb_regno_last_use_find,
14869 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14870 df_insn_regno_def_p, df_find_def, df_find_use,
14871 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14872 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14873 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14874 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14875 debug_df_chain, df_get_dependent_problem, df_chain_create,
14876 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14877 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14878 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14879 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14880 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14881 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14882 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14883 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14884 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14885 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14886 df_reorganize_refs, df_set_state, df_hard_reg_init,
14887 df_read_modify_subreg_p) New public functions.
14888 * df-core.c: The core dataflow solver and glue routines for rtl
14890 (df_init, df_add_problem, df_set_blocks, df_finish,
14891 df_hybrid_search_forward, df_hybrid_search_backward,
14892 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14893 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14894 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14895 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14896 df_reg_defined, df_find_use, df_reg_used, df_dump,
14897 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14898 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14899 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14900 debug_df_useno, reset_df_after_reload): New functions.
14901 * df-scan.c: The scanning fuctions, once in df.c, completely
14902 rewritten so that they now fully model the functionality of
14903 register usage at the backend.
14904 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14905 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14906 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14907 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14908 df_get_artificial_defs, df_get_artificial_uses,
14909 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14910 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14911 df_refs_delete, df_reorganize_refs, df_set_state,
14912 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14913 df_def_record_1, df_defs_record, df_uses_record,
14914 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14915 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14916 df_record_exit_block_uses, df_hard_reg_init): New functions.
14918 * df-problems.c: Seven concrete dataflow problems that use the
14919 scanning in df-scan.c and are solved by the engine in df-core.c.
14920 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14921 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14922 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14923 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14924 df_ru_free_bb_info, df_ru_alloc,
14925 df_ru_bb_local_compute_process_def,
14926 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14927 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14928 df_ru_transfer_function, df_ru_free, df_ru_dump,
14929 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14930 df_rd_free_bb_info, df_rd_alloc,
14931 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14932 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14933 df_rd_transfer_function, df_rd_free, df_rd_dump,
14934 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14935 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14936 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14937 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14938 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14939 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14940 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14941 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14942 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14943 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14944 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14945 df_urec_mark_reg_use_for_earlyclobber,
14946 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14947 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14948 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14949 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14950 df_chain_create_bb_process_use, df_chain_create_bb,
14951 df_chain_finalize, df_chain_free, df_chains_dump,
14952 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14953 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14954 df_reg_lifetime): New functions.
14955 * df.c: Deleted file.
14956 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14957 consistent with new df api.
14958 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14959 rest_of_handle_sms): Ditto.
14960 * web.c (unionfind_union, union_defs, entry_register, web_main):
14962 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14963 invariant_expr_equal_p, find_defs, check_dependencies,
14964 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14965 free_inv_motion_data, move_loop_invariants): Ditto.
14966 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14967 Update dependencies.
14968 (odf.c): Added defective entry that was deleted later in day.
14969 * sched-deps.c (sched_analyze_1): Ditto.
14971 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14973 * tree-ssa-operands.c (get_expr_operands): Record addressable
14974 variables directly. Do not call add_stmt_operands for CONST_DECLs
14976 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14977 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14979 2006-01-11 Ben Elliston <bje@au.ibm.com>
14981 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14982 function returns true in the positive case.
14984 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14987 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14988 for SI, DI, SF and DF modes. Add alternatives to copy between
14989 general and floating point registers to the 32-bit patterns.
14990 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14991 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14992 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14993 generating 64-bit code.
14994 * config/pa/pa.c (output_move_double): Handle copies between general
14995 and floating registers.
14997 2006-01-10 Stuart Hastings <stuart@apple.com>
14999 * config/i386/i386.md (set_got): Update.
15000 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15001 (builtin_setjmp_receiver): Mach-O support.
15002 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15003 (GOT_SYMBOL_NAME): Define.
15004 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15005 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15006 * config/i386/i386.c (override_options): Revise for Darwin.
15007 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15008 support. (darwin_x86_file_end): New. (output_set_got): Add label
15009 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15010 * config/i386/i386-protos.h (output_set_got): Likewise.
15011 * config/darwin.c (machopic_legitimize_pic_address): Update
15014 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15016 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15017 when MODE isn't BLKmode.
15019 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15021 PR rtl-optimization/25367
15022 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15024 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15027 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15028 for a negative bound.
15030 2006-01-10 Richard Guenther <rguenther@suse.de>
15032 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15033 Never override with anything constraint.
15035 2006-01-10 Jan Beulich <jbeulich@novell.com>
15037 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15038 256 bits when optimize_size.
15040 2006-01-10 Jan Beulich <jbeulich@novell.com>
15042 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15044 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15045 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15048 2006-01-10 Ben Elliston <bje@au.ibm.com>
15050 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15052 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15053 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15054 (USE_FP_FOR_ARG): Reject decimal float modes.
15055 (function_arg_advance): Likewise.
15056 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15057 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15058 point types in AltiVec vectors.
15059 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15060 (rs6000_libcall_value): Likewise.
15062 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15064 * config/xtensa/ieee754-df.S: New file.
15065 * config/xtensa/ieee754-sf.S: New file.
15066 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15067 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15068 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15070 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15072 * config/sh/predicates.md (binary_float_operator,
15073 binary_logical_operator, commutative_float_operator,
15074 equality_comparison_operator, greater_comparison_operator,
15075 less_comparison_operator, logical_operator,
15076 noncommutative_float_operator, shift_operator,
15077 symbol_ref_operand, unary_float_operator): Remove redundant
15080 2006-01-09 Jeff Law <law@redhat.com>
15082 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15083 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15084 now unused arguments. Callers updated.
15085 (eliminate_redundant_computations): Remove now unused arguments,
15087 (local_fold): Remove, no longer used.
15088 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15090 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15091 (simplify_cond): New function.
15092 (forward_propagate_into_cond): Call simplify_cond.
15094 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15096 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15097 (*vec_extractv2di_1_sse): New.
15099 2006-01-09 Ben Elliston <bje@au.ibm.com>
15101 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15103 2006-01-08 Richard Guenther <rguenther@suse.de>
15105 * tree-ssa-structalias.c (get_constraint_for): Remove
15106 anyoffset argument.
15107 (get_constraint_for_component_ref): Likewise.
15108 (do_deref): Likewise.
15109 (get_constraint_for): Likewise.
15110 (do_structure_copy): Likewise.
15111 (handle_ptr_arith): Likewise.
15112 (find_func_aliases): Likewise. Remove unused need_anyoffset
15115 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15116 Kaz Kojima <kkojima@gcc.gnu.org>
15118 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15119 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15120 (EXTRA_CONSTRAINT_C16): Remove.
15121 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15122 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15123 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15124 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15125 constants of SHmedia. Handle nested constant expressions of
15127 (andcosts): Fix the costs for SHmedia constants.
15128 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15129 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15130 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15131 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15132 (movv4hi_i, movv2si_i): Likewise.
15133 (movsi_const): Adjust the second operand of ior so to match with
15134 the Csu constraint.
15135 (movdi_const, movdi_const_32bit): Likewise.
15136 (movdi_const_16bit+1): Don't sign-extend LOW.
15137 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15139 (*double_shori): Fix the split condition. Use GEN_INT instead
15140 of get_int_mode calls. Mask lower 16-bit of the argument of
15142 (sym2GOTPLT): Remove.
15143 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15145 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15146 instead of EXTRA_CONSTRAINT_C16.
15148 2006-01-07 Ian Lance Taylor <ian@airs.com>
15149 David Edelsohn <edelsohn@gnu.org>
15151 PR rtl-optimization/25662
15152 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15153 for constant operands instead of simplify_gen_binary.
15154 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15155 after trying simplify_binary_operation
15157 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15159 * tree.c (iterative_hash_expr): Hash decls based on UID.
15161 2006-01-06 Eric Christopher <echristo@apple.com>
15163 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15164 (TARGET_UNWIND_EMIT): Fix spelling.
15165 * target.h (gcc_target): Add except_table_label.
15166 * except.c (output_function_exception_table): Use.
15167 * varasm.c (default_emit_except_table_label): New.
15168 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15170 (asm_out): Add here.
15171 * output.h (default_emit_except_table_label): Prototype.
15172 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15173 * config/darwin.c (darwin_emit_except_table_label): Define.
15174 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15176 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15178 PR tree-optimization/18527
15179 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15180 number_of_iterations_special, number_of_iterations_exit):
15181 Move base and step of an iv to a single structure. Add
15182 no_overflow flag, and use it in # of iterations analysis.
15183 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15184 folded_casts argument.
15185 (simple_iv): Pass base and step in a structure. Set no_overflow
15187 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15188 Evaluate expensiveness of computing # of iterations instead of
15189 the final expression.
15190 * tree-scalar-evolution.h (affine_iv): New structure.
15191 (simple_iv): Declaration changed.
15192 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15193 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15194 find_givs_in_stmt): Changed due to simple_iv change.
15196 2006-01-06 Jeff Law <law@redhat.com>
15199 * tree-cfg.c (bsi_replace): Rename final argument from
15200 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15201 change (stmt -> orig_stmt).
15202 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15203 (bsi_remove): Add new argument. Remove EH information
15205 (verify_eh_throw_table_statements): New function.
15206 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15208 * tree-optimize.c (execute_free_cfg_annotations): Verify
15209 the EH throw statement table after removing annotations.
15210 * except.h (verify_eh_throw_table_statements): Prototype.
15211 * tree-flow.h (bsi_remove): Update prototype.
15212 * tree-vrp.c (remove_range_assertions): Add new argument to
15214 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15215 * tree-complex.c (expand_complex_div_wide): Likewise.
15216 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15217 * tree-tailcall.c (eliminate_tailcall): Likewise.
15218 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15219 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15220 * tree-nrv.c (tree_nrv): Likewise.
15221 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15222 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15223 (combine_blocks): Likewise.
15224 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15225 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15226 (cleanup_control_flow): Likewise.
15227 (remove_forwarder_block): Likewise.
15228 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15229 * tree-sra.c (sra_replace): Likewise.
15230 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15231 (forward_propagate_single_use_vars): Likewise.
15232 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15233 * tree-inline.c (expand_call_inline): Likewise.
15234 * tree-vect-transform.c (vect_transform_loop): Likewise.
15235 * tree-outof-ssa.c (rewrite_trees): Likewise.
15236 * tree-cfg.c (make_goto_expr_edges): Likewise.
15237 (cleanup_dead_labels): Likewise.
15238 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15239 (bsi_move_before, bsi_move_after): Likewise.
15240 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15241 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15243 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15246 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15248 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15249 on non gimple variables. Also add checks at the top for decls and
15251 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15253 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15254 and IMAGPART_EXPR for creating MUST_DEFs.
15255 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15256 and NAME_MEMORY_TAG separately from the DECLs.
15258 2006-01-06 Richard Guenther <rguenther@suse.de>
15260 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15261 annotation, if necessary.
15262 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15263 redundant calls to update_stmt.
15264 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15267 2006-01-05 Richard Henderson <rth@redhat.com>
15269 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15271 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15273 * c-typeck.c: Update copyright date.
15275 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15277 * c-typeck.c (build_c_cast): Always warn when casting
15278 from a pointer to an integer of different size, even if
15279 the node was constant.
15281 2006-01-05 Richard Guenther <rguenther@suse.de>
15283 PR tree-optimization/22555
15284 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15285 if one structure field is an array.
15286 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15287 operands even if we found a subvar, but ignore VOPs in this
15289 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15291 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15293 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15295 PR middle-end/24998
15296 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15298 2006-01-05 Richard Guenther <rguenther@suse.de>
15299 Diego Novillo <dnovillo@redhat.com>
15301 * tree-pass.h (TODO_remove_unused_locals): Define.
15302 * gimple-low.c (expand_var_p, remove_useless_vars,
15303 pass_remove_useless_vars): Remove. Update all users.
15304 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15305 (remove_unused_locals): New function.
15306 * tree-flow.h (remove_unused_locals): Declare.
15307 * passes.c (execute_todo): Call remove_unused_locals if
15308 TODO_remove_unused_locals is set.
15309 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15310 * tree-ssa-dce.c (pass_dce): Likewise.
15311 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15313 2006-01-05 Richard Guenther <rguenther@suse.de>
15315 * tree-flow.h (struct fieldoff): Decompose field to
15316 type, size and decl.
15317 * tree-ssa-alias.c (create_sft): Take type as parameter.
15318 (create_overlap_variables_for): Store type, size and decl
15319 in the fieldoff structure.
15320 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15321 of struct fieldoff.
15322 (push_fields_onto_fieldstack): Likewise.
15323 (create_variable_info_for): Likewise. Use offset for the
15324 SFT name if the decl is not available.
15326 2006-01-04 Paul Brook <paul@codesourcery.com>
15328 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15330 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15332 * lambda-code.c (can_put_in_inner_loop): Relax
15334 (can_put_after_inner_loop): New function.
15335 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15336 (perfect_nestify): Change to make copies and modify uses.
15338 2006-01-04 Richard Henderson <rth@redhat.com>
15340 Merge from gomp branch:
15341 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15342 via integer constant.
15343 (pragma_lex): Remove.
15344 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15345 rather than parsing it.
15346 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15347 handle_pragma_extern_prefix): Add %< %> quotes.
15348 (registered_pragmas): New.
15349 (c_register_pragma_1): New.
15350 (c_register_pragma): Use it.
15351 (c_register_pragma_with_expansion): Likewise.
15352 (c_invoke_pragma_handler): New.
15353 (init_pragma): Use cpp_register_deferred_pragma directly for
15355 * c-pragma.h (enum pragma_kind): New.
15356 (pragma_handler): New.
15357 (c_invoke_pragma_handler): Declare.
15358 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15360 * c-common.h (c_common_pch_pragma): Update decl.
15361 * Makefile.in (c-parser.o): Update dependencies.
15362 (GTFILES): Add c-pragma.h.
15363 * c-parser.c (struct c_token): Add pragma_kind.
15364 (struct c_parser): Add in_pragma.
15365 (c_lex_one_token): Always initialize keyword and pragma_kind.
15366 Extract data for CPP_PRAGMA.
15367 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15368 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15369 Don't allow CPP_PRAGMA_EOL if in_pragma.
15370 (c_parser_consume_pragma): New.
15371 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15372 (c_parser_skip_to_end_of_parameter): Likewise.
15373 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15374 (c_parser_skip_to_pragma_eol): New.
15375 (c_parser_external_declaration): Handle CPP_PRAGMA.
15376 (c_parser_compound_statement_nostart): Likewise.
15377 (c_parser_statement_after_labels): Likewise.
15378 (c_parser_pragma): New.
15379 (pragma_lex): Likewise.
15380 (c_parser_pragma_pch_preprocess): New.
15381 (c_parser_new): Merge into ...
15382 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15384 2006-01-04 Jeff Law <law@redhat.com>
15387 * tree-cfg.c (bsi_replace): Remove the original statement
15388 from the EH throw statement table.
15390 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15392 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15393 make the prototype extern "C" and add throw ().
15396 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15397 and pos non-negative and pos + len <= 32.
15398 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15399 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15400 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15403 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15404 as well as sizes not multiple of component size.
15407 * function.c (instantiate_expr): New function.
15408 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15409 walk its DECL_VALUE_EXPR with instantiate_expr.
15411 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15412 DW_OP_deref{,_size} if address isn't going to be added.
15414 2006-01-04 Ben Elliston <bje@au.ibm.com>
15416 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15417 * config/fp-bit.c: Likewise.
15419 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15421 * dominance.c: Add comment about why we use DFS numbering
15424 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15425 Richard Henderson <rth@redhat.com>
15427 Merge from gomp-branch:
15428 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15429 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15431 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15433 PR rtl-optimization/25578
15434 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15435 pass a parameter to simplify_shift_const if changing ASHIFTRT
15438 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15440 * builtins.c (get_builtin_sync_mem): New function.
15441 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15442 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15443 Call get_builtin_sync_mem to generate mem rtx.
15445 2006-01-03 Richard Guenther <rguenther@suse.de>
15448 * stmt.c (add_case_node): Make sure to clear overflow flags
15451 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15453 Merge from gomp-branch.
15454 * config/sparc/sync.md: New file.
15455 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15456 UNSPECV_LDSTUB): New constants.
15457 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15458 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15459 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15462 2006-01-03 Roger Sayle <roger@eyesopen.com>
15464 * combine.c (reg_subword_p): New predicate to test whether the
15465 destination of a set refers to a subword/piece of a register.
15466 (try_combine): Generalize the code to merge the setting of a
15467 pseudo to a constant followed by a set of a subword of that
15468 register to a constant.
15470 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15472 * basic-block.h (control_flow_graph): Change the type of
15473 x_label_to_block_map to VEC(basic_block,gc) *.
15474 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15475 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15477 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15478 VEC(basic_block,heap) *.
15479 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15480 ssa_prop_fini): Adjust the uses of cfg_blocks.
15482 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15484 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15486 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15487 hashing trees instead of a pointer hash.
15488 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15489 compare for MEM_EXPR.
15491 PR rtl-optimization/25130
15492 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15493 when comparing MEMs for GCSE
15495 2006-01-03 Ben Elliston <bje@au.ibm.com>
15497 * targhooks.h (default_decimal_float_supported_p): Declare.
15498 * targhooks.c (default_decimal_float_supported_p): Define.
15499 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15500 `default_decimal_float_supported_p'.
15501 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15503 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15505 * combine.c (apply_distributive_law <SUBREG>): Check
15506 TRULY_NOOP_TRUNCATION.
15508 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15510 * dwarf2out.c (have_switched_text_section): Delete.
15511 (have_multiple_function_sections): New.
15512 (have_location_lists): Make 'bool'.
15513 (add_AT_loc_list): Use 'true' not '1'.
15514 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15515 (output_loc_list): Use have_multiple_function_sections.
15516 (output_ranges): Likewise.
15517 (dwarf2out_begin_function): Set have_multiple_function_sections if
15519 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15520 Check function_section rather than DECL_SECTION_NAME.
15521 (dwarf2out_finish): Use have_multiple_function_sections.
15522 Don't clear have_location_lists.
15524 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15525 Jan Hubicka <jh@suse.cz>
15527 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15528 case of conditional jump jumping to the next instruction.
15529 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15530 cases of conditional jump jumping to the next instruction.
15532 2006-01-02 Jan Hubicka <jh@suse.cz>
15534 * i386.c (*_cost): Add COSTS_N_INSNS.
15535 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15537 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15540 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15542 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15544 * config/arm/arm.c (all_fpus): Fix comment typo.
15545 * config/darwin.c: Likewise.
15546 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15547 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15548 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15550 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15552 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15553 (rs6000_split_compare_and_swapqhi): New.
15554 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15555 (sync_compare_and_swapqhi_internal): New.
15556 * config/rs6000/rs6000-protos.h: Declare.