1 2006-10-05 Ira Rosen <irar@il.ibm.com>
3 * doc/loop.texi: Add data references analysis description.
5 2006-10-04 Brooks Moses <bmoses@stanford.edu>
7 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
9 2006-10-04 Richard Henderson <rth@redhat.com>
10 Jakub Jelinek <jakub@redhat.com>
12 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
13 * builtin-types.def (BT_WORD): Make unsigned.
14 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
15 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
16 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
17 * c-decl.c (grokdeclarator): Don't error if !have_tls.
18 * c-parser.c (c_parser_omp_threadprivate): Likewise.
19 * cgraph.c (decide_is_variable_needed): Look at force_output.
20 Recurse for emulated tls.
21 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
22 checks redundant with decide_is_variable_needed.
23 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
24 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
26 * expr.c (emutls_var_address): New.
27 (expand_expr_real_1): Expand emulated tls.
28 (expand_expr_addr_expr_1): Likewise.
29 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
30 * output.h (emutls_finish): Declare.
31 * toplev.c (compile_file): Call it.
32 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
33 address before wrapping in CONST.
34 * varasm.c (emutls_htab, emutls_object_type): New.
35 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
36 (get_emutls_object_name, get_emutls_object_type): New.
37 (get_emutls_init_templ_addr, emutls_decl): New.
38 (emutls_common_1, emutls_finish): New.
39 (assemble_variable): When emulating tls, swap decls; generate
40 constructor for the emutls objects.
41 (do_assemble_alias): When emulating tls, swap decl and target name.
42 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
45 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
46 tls_object for real tls.
48 2006-10-04 Zack Weinberg <zackw@panix.com>
50 Fix bug in constraint-check generator, reported by Rask Ingemann
52 * genpreds.c (add_constraint): Don't remove anything from the
54 (write_tm_constrs_h): Detect whether "op" argument is used, and
55 mark it ARG_UNUSED if it isn't.
56 (write_insn_const_int_ok_for_constraint): Skip the part of the
57 expression that would test whether "op" (which is not available
60 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
63 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
65 2006-10-03 Geoffrey Keating <geoffk@apple.com>
67 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
68 current Leopard versions.
69 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
71 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
73 * doc/install.texi: Fix typos.
75 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
77 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
78 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
79 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
81 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
83 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
84 arg to be struct mach_header_64* instead.
86 2006-10-02 Jakub Jelinek <jakub@redhat.com>
89 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
90 side effects after the outer expression's post side effects.
92 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
94 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
95 comments to reflect actual behavior and relationship between
96 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
98 * doc/c-tree.texi (Working with declarations): Fix documentation
99 of FIELD_DECL likewise.
101 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
104 * doc/extend.texi: Add used variable attribute description.
106 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
109 * c.opt (Woverride-init): New.
110 * c-opts.c (c_common_post_options): Default warn_override_init to
112 * c-typeck.c (add_pending_init, output_init_element): Warn for
113 overriding initializers without side effects.
114 * doc/invoke.texi (-Woverride-init): Document.
117 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
119 PR rtl-optimization/28096
120 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
121 assignment has already been used as a destination earlier in the block.
123 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
125 * builtins.c (expand_builtin_setjmp): Delete.
126 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
127 <BUILT_IN_SETJMP_SETUP>: New case.
128 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
129 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
130 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
131 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
132 (BUILT_IN_SETJMP_RECEIVER): Likewise.
133 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
134 (lower_function_body): Initialize it to false. If it is set to true
135 at the end of the processing, emit the setjmp dispatcher.
136 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
137 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
138 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
139 on the rhs of the assignment.
140 (lower_builtin_setjmp): New function.
141 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
142 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
143 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
144 to detect calls that can go to non-local labels. Use specific
145 helper to create the abnormal edges associated with them.
146 <MODIFY_EXPR>: Likewise.
147 (make_abnormal_goto_edges): New function extracted from...
148 (make_goto_expr_edges): ...here. Call it for computed gotos.
149 (simple_goto_p): Minor tweak.
150 (tree_can_make_abnormal_goto): New predicate.
151 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
152 (tree_purge_dead_abnormal_call_edges): New function.
153 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
154 (tree_purge_dead_abnormal_call_edges): Likewise.
155 (make_abnormal_goto_edges): Likewise.
156 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
157 Purge all dead abnormal edges if the call was in the last statement.
158 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
159 (execute_fixup_cfg): If there are non-local labels in the function,
160 scan the basic blocks and split them at calls that can go to non-local
161 labels or add missing abnormal call edges. Write down the CFG in the
163 (pass_fixup_cfg): Remove TODO_dump_func flag.
164 * unwind-sjlj.c: Poison setjmp.
165 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
166 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
167 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
168 (DONT_USE_BUILTIN_SETJMP): Document it.
170 2006-09-28 Geoffrey Keating <geoffk@apple.com>
173 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
174 to 1 when __ppc64__ is defined.
175 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
177 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
179 2006-09-28 Steve Ellcey <sje@cup.hp.com>
181 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
182 * config/ia64/unwind-hpux.c: Delete.
184 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
186 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
187 on the element before gimplifying it, instead of punting if it is of
190 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
192 * doc/loop.texi: New file.
193 * doc/gccint.texi: Reference loop.texi.
194 * Makefile.in (loop.texi): Add.
196 2006-09-27 Geoffrey Keating <geoffk@apple.com>
198 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
200 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
201 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
203 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
205 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
207 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
209 * doc/install.texi: Document required versions of GMP and MPFR.
211 2006-09-27 Paul Brook <paul@codesourcery.com>
214 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
216 2006-09-27 Richard Sandiford <richard@codesourcery.com>
218 * reload1.c (alter_reg): Require the alignment of the stack slot to
219 be at least reg_max_ref_width bytes.
220 (scan_paradoxical_subregs): Record the largest width in
223 2006-09-26 Jakub Jelinek <jakub@redhat.com>
227 * tree-nested.c (struct nesting_info): Added static_chain_added.
228 (convert_call_expr): Set static_chain_added when adding static
229 chain. Handle OMP_PARALLEL and OMP_SECTION.
231 2006-09-25 Matthias Klose <doko@debian.org>
233 * doc/invoke.texi: Add missing full stop.
235 2006-09-25 Richard Henderson <rth@redhat.com>
237 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
238 before cgraph_function_flags_ready.
240 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
241 Adam Nemet <anemet@caviumnetworks.com>
243 * tree-ssa-loop-ivopts.c (aff_combination_convert,
244 determine_common_wider_type): New functions.
245 (get_computation_aff): Use them to simplify arithmetic between
246 UBASE and CBASE if they are shortened from the same type.
248 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
251 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
252 -2147483647 - 1 instead of 0x80000000.
254 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
256 * flags.h (HONOR_NANS): Fix typo in comment.
258 2006-09-23 Uros Bizjak <uros@kss-loka.si>
260 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
262 2006-09-23 Jakub Jelinek <jakub@redhat.com>
266 * tree.c (merge_attributes, attribute_list_contained): If both
267 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
269 * c-typeck.c (comptypes_internal): Don't consider aggregates
270 in different TUs as compatible if there one set of attributes is
271 not a subset of the other type's attributes.
272 (composite_type): Try harder not to create a new aggregate type.
274 2006-09-22 Geoffrey Keating <geoffk@apple.com>
276 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
277 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
278 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
279 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
280 than replicating condition above.
281 * config.host (i[34567]86-*-*): Always use driver-i386.o.
283 * config/darwin.h (LINK_SYSROOT_SPEC): New.
284 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
285 the linker by default.
287 2006-09-22 Mike Stump <mrs@apple.com>
289 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
292 2006-09-22 Richard Guenther <rguenther@suse.de>
295 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
296 sort of stack variables stable.
298 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
301 * explow.c (force_reg): Set REG_POINTER flag according to
304 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
306 PR tree-optimization/28888
307 * tree-if-conv.c (combine_blocks): Rewritten.
308 * tree-cfg.c (tree_verify_flow_info): Check that edges with
309 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
311 2006-09-22 Jakub Jelinek <jakub@redhat.com>
313 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
316 2006-09-21 Richard Sandiford <richard@codesourcery.com>
318 * varasm.c (copy_constant): Fix reversed gcc_assert check.
320 2006-09-21 Janis Johnson <janis187@us.ibm.com>
322 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
324 2006-09-21 Roger Sayle <roger@eyesopen.com>
327 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
328 dw_fde_current_label, to be the start of the function, i.e. the same
329 value as dw_fde_begin.
331 2006-09-20 Richard Sandiford <richard@codesourcery.com>
333 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
334 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
335 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
336 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
337 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
338 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
339 (abs<mode>2, neg<mode>2): Likewise.
340 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
341 (*mips_abs_ps): New define_insn.
343 2006-09-20 Josh Conner <jconner@apple.com>
346 * calls.c (expand_call): Allow reuse of structure return stack
349 2006-09-20 Paul Brook <paul@codesourcery.com>
351 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
354 2006-09-20 Janis Johnson <janis187@us.ibm.com>
356 * doc/extend.texi (Decimal Float): Update for latest draft TR,
357 clean up terminology.
359 2006-09-20 Steve Ellcey <sje@cup.hp.com>
362 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
363 with tablejumps in them.
365 2006-09-20 Jakub Jelinek <jakub@redhat.com>
368 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
369 wrap it into TARGET_EXPR.
371 2006-09-20 Eric Christopher <echristo@apple.com>
373 * config/i386/i386.c (x86_fisttp): Remove.
374 * config/i386/i386.h (x86_fisttp): Ditto.
375 (TARGET_FISTTP): Ditto.
377 2006-09-19 Eric Christopher <echristo@apple.com>
379 * doc/tm.texi (OBJC_JBLEN): Describe.
380 * config/i386/darwin.h (OBJC_JBLEN): Define.
381 * config/rs6000/darwin.h: Ditto.
383 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
385 PR rtl-optimization/21299
386 * reload1.c (reload): Purge invalid ASMs in the final pass.
388 2006-09-19 Steve Ellcey <sje@cup.hp.com>
391 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
392 pointers as legitimate constants.
394 2006-09-19 Paul Brook <paul@codesourcery.com>
397 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
399 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
401 PR tree-optimization/28887
402 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
403 component parts from the reference.
404 (gather_memory_references_ref): Record the reference without the
405 nonaddressable component parts.
407 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
410 * c-opts.c (c_common_handle_option): Ignore the -std options
411 if the input language is assembly.
413 2006-09-17 Ira Rosen <irar@il.ibm.com>
416 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
418 (ptr_ptr_may_alias_p): Likewise.
419 (record_record_differ_p): New function.
420 (base_object_differ_p): Call record_record_differ_p.
422 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
425 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
426 away for the expr argument.
428 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
431 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
432 before using it for dumping after vectorizing loops.
434 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
435 Jack Howarth <howarth@bromo.med.uc.edu>
438 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
439 skip on error_mark_node.
440 (rs6000_darwin64_record_arg_recurse): Likewise.
442 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
444 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
445 * doc/rtl.texi: Remove related documentation.
447 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
449 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
452 2006-09-15 Jim Wilson <wilson@specifix.com>
454 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
455 Handle symbol offsets same as they are handled in ia64_expand_move
458 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
460 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
461 Add forgotten parameter to the fprintf call.
463 2006-09-15 Steve Ellcey <sje@cup.hp.com>
465 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
467 2006-09-15 Uros Bizjak <uros@kss-loka.si>
469 * doc/contrib.texi: Add my entry.
471 2006-09-15 Nick Clifton <nickc@redhat.com>
473 * doc/md.texi (Processor pipeline description): Fix typo in
474 example of how to use the absence_set directive and reword the
475 description to make it slightly easier to read.
477 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
479 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
480 * loop-doloop.c (doloop_optimize): Use it to limit costs of
481 expanding the number of iterations.
482 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
484 * cfgrtl.c (emit_insn_at_entry): New function.
485 * rtl.h (emit_insn_at_entry): Declare it.
486 * integrate.c (emit_initial_value_sets): Use it.
488 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
490 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
492 (struct loop_work and related VEC declarations): Delete.
493 (bfin_dump_loops): Print out new member bad.
494 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
495 (bfin_scan_loop): Don't recurse.
496 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
497 loops. No longer need to update outer loops if the current one is
498 found bad. Move some validitiy checks to bfin_discover_loop.
499 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
500 but changed not to check for nesting. Also changed to use the new bad
502 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
503 time. Use bitmap based test to discover loop nesting.
505 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
507 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
510 2006-09-14 Richard Guenther <rguenther@suse.de>
511 Kazu Hirata <kazu@codesourcery.com>
514 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
515 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
516 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
517 with TARGET_FUNCTION_VALUE.
519 2006-09-14 Anatoly Sokolov <aesok@post.ru>
522 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
524 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
526 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
529 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
532 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
535 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
537 * basic_block.h (bb_has_eh_pred): Fix comment.
539 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
541 * flow.c (calculate_global_regs_live): Invalidate eh registers
542 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
543 (propagate_block): Handle eh registers as if they were set at basic
545 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
547 * global.c (global_conflicts): Make eh registers to conflict with
548 pseudos live at basic block begin.
549 * basic_block.h (bb_has_eh_pred): New function.
551 2006-09-13 Richard Sandiford <richard@codesourcery.com>
553 PR rtl-optimization/28982
554 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
555 index of a PRE_MODIFY or POST_MODIFY address.
556 * reload1.c (inc_for_reload): Use find_replacement on the original
557 base and index registers.
559 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
561 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
562 for -Os. Update __m128 alignment requirement.
564 2006-09-13 Jan Hubicka <jh@suse.cz>
566 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
568 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
570 PR rtl-optimization/28243
571 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
572 the insn to which the note was originally attached.
574 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
575 Roger Sayle <roger@eyesopen.com>
577 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
578 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
579 on platforms that don't use dwarf for debug info.
581 2006-09-12 Jason Merrill <jason@redhat.com>
584 * builtins.c (expand_builtin_setjmp_receiver): Clobber
585 hard_frame_pointer_rtx after using it to update the frame pointer.
587 2006-09-12 Roger Sayle <roger@eyesopen.com>
589 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
590 (TARGET_ASM_CLOSE_PAREN): Likewise.
591 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
592 (TARGET_ASM_CLOSE_PAREN): Likewise.
594 2006-09-12 Roger Sayle <roger@eyesopen.com>
597 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
598 frame information for frames larger than 512 Kbytes on Tru64 when
599 using the native assembler.
601 2006-09-12 Roger Sayle <roger@eyesopen.com>
605 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
606 and symbols. Instead use the implementation from cse.c's hash_rtx.
608 2006-09-12 Jan Hubicka <jh@suse.cz>
610 PR rtl-optimization/28071
611 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
612 (vect_transform_loop): Likewise.
613 * tree-vectorizer.c (new_loop_vec_info): Likewise.
614 (new_loop_vec_info): Likewise.
615 (destroy_loop_vec_info): Likewise.
616 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
617 (create_stmt_ann): Likewise.
618 (create_tree_ann): Rename to ...
619 (create_tree_common_ann): ... this one; allocate only the common part
621 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
622 (get_value_handle): Likewise.
623 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
625 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
626 (vinfo_for_stmt): Use stmt annotations.
627 * tree-flow.h (tree_ann_common_t): New type.
628 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
629 (tree_ann, get_tree_ann, create_tree_ann): New.
630 * tree-flow-inline.h (get_function_ann): Do more type checking.
631 (stmt_ann): Likewise.
632 (tree_ann): Rename to ...
633 (tree_common_ann): ... this one; return ony common_ann
634 (get_tree_ann): Rename to ...
635 (tree_common_ann): This one; return only common_ann.
636 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
639 2006-09-11 Geoffrey Keating <geoffk@apple.com>
641 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
644 * dwarf2out.c (dwarf_file_data): New.
645 (enum dw_val_class): Add dw_val_class_file.
646 (struct dw_val_struct): Add val_file.
647 (file_table): Change to a hash table.
648 (file_table_emitted): Delete.
649 (file_table_last_lookup_index): Delete.
651 (last_emitted_file): New.
652 (lookup_filename): Change prototype to return a struct dwarf_file_data.
653 (init_file_table): Delete.
654 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
655 (AT_addr): Add comment.
659 (print_die): Handle dw_val_class_file.
660 (print_dwarf_line_table): Update for new file table structure.
661 (attr_checksum): Do checksum a filename.
662 (same_dw_val_p, same_attr_p): Do compare a filename.
663 (size_of_die): Handle dw_val_class_file.
664 (value_format): Likewise.
665 (output_die): Likewise. Also, call maybe_emit_file here.
666 (struct file_info): Constify filenames. Make file_idx a pointer
667 to a struct dwarf_file_data.
668 (struct dir_info): Constify directory names. Remove 'used' field.
669 (struct file_name_acquire_data): New.
670 (file_name_acquire): New.
671 (output_file_names): Modify to handle new file data structures.
672 (add_src_coords_attributes): Use add_AT_file.
673 (add_call_src_coords_attributes): Likewise.
674 (dwarf2out_imported_module_or_decl): Likewise.
675 (gen_subprogram_die): Modify for new file data structures.
676 (gen_variable_die): Likewise.
677 (file_table_eq): New.
678 (file_table_hash): New.
679 (file_table_last_lookup): New.
680 (lookup_filename): Rewrite to handle new file data structures.
681 (maybe_emit_file): Rewrite to handle new file data structures.
682 (dwarf2out_source_line): Always call lookup_filename and
684 (dwarf2out_init): Create file_table here.
685 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
686 (file_table_relative_p): New.
687 (dwarf2out_finish): Change detection of relative filenames
688 to work with new file data structures. Move output_line_info call
689 after debug_info output.
691 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
696 * config/i386/i386.c (override_options): Always default to 16
699 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
702 * var-tracking.c (dump_dataflow_set): Start dumping at
704 (clobber_variable_part): Kill only the variable part in
705 registers holding it, leaving other variables alone.
707 2006-09-11 Josh Triplett <josh@freedesktop.org>
709 * doc/extend.texi (Other Builtins): Actually use the macro
710 argument in the documentation example for
711 __builtin_types_compatible_p.
713 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
715 PR rtl-optimization/28726
716 * sched-deps.c (sched_analyze_reg): New function extracted from...
717 (sched_analyze_1): ...here. Call it to analyze references to
718 registers. Treat again writes to a stack register as writing to the
720 (sched_analyze_2): ...and here. Call it to analyze references to
721 registers. Treat again reads of a stack register as reading the
724 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
725 David Edelsohn <edelsohn@gnu.org>
728 * config/rs6000/spe.md (frob_df_di): Remove %H.
729 (frob_di_df): Remove %H. Change evmergelo to mr.
730 (frob_di_df_2): Remove %H. Change evldd to two loads.
732 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
734 * doc/cpp.texi: Fix names of charset options.
736 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
739 * config/i386/i386.c (override_options): Use 128-bit
740 stack boundary always for 64bits.
742 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
744 PR rtl-optimization/28636
745 * combine.c (force_to_mode): Test for side-effects before
746 substituting by zero.
747 (simplify_shift_const): Likewise for zero or other constants.
749 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
752 * builtins.c (expand_builtin_setjmp): Force next_lab to be
755 2006-09-10 Richard Sandiford <richard@codesourcery.com>
758 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
759 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
760 returned by mode_for_size, rather than the mode of src itself,
761 to choose between 32-bit and 64-bit patterns.
762 (mips_mem_fits_mode_p): New function.
763 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
764 that the size of the source matches the size of the destination.
765 (mov_<store>l, mov_<store>r): Likewise.
767 2006-09-10 Eric Christopher <echristo@apple.com>
769 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
772 2006-09-09 Eric Christopher <echristo@apple.com>
775 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
778 2006-09-09 Roger Sayle <roger@eyesopen.com>
779 Nicolas Setton <setton@adacore.com>
781 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
783 2006-09-10 Andreas Schwab <schwab@suse.de>
785 * config/m68k/m68k.md (bungt_rev): New pattern.
787 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
788 Dale Johannesen <dalej@apple.com>
791 * regclass.c (struct reg_pref): Update documentation.
792 (regclass): Set prefclass to NO_REGS if memory is the best option.
793 (record_reg_classes): Cope with a prefclass set to NO_REGS.
795 2006-09-08 Eric Christopher <echristo@apple.com>
797 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
798 * config/t-slibgcc-darwin: Support x86_64 multilib.
799 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
800 Return 1 for x86_64-darwin.
801 * config/i386/t-darwin: Add m64 multilib.
802 (LIB2_SIDITI_CONV_FUNCS): Use.
803 (LIB2FUNCS_EXTRA): Ditto.
804 * config/i386/darwin.h: Support x86_64.
805 * config/i386/i386.c (override_options): Turn on flag_pic
806 for x86_64-darwin. Disable flag_omit_pointer.
807 (get_pc_thunk_name): Assert !TARGET_64BIT.
808 (legitimate_address_p): Disable machopic addressing for
810 (legitimize_pic_address): Ditto.
811 (ix86_expand_move): Ditto.
812 (ix86_expand_call): Ditto.
813 (machopic_output_stub): Ditto.
814 * config/darwin.c (machopic_select_section): Support literal16.
815 (machopic_select_rtx_section): Ditto.
816 * config/darwin-sections.def: Ditto.
817 * config/darwin-64.c: New.
819 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
822 * c-tree.h (struct c_arg_info): Add pending_sizes.
823 * c-parser.c (c_parser_parms_declarator,
824 c_parser_parms_list_declarator): Initialize pending_sizes.
825 * c-decl.c (get_parm_info): Initialize pending_sizes.
826 (get_parm_info): Set pending_sizes.
827 (grokdeclarator): Call put_pending_sizes for parameters for
828 function definition only.
830 2006-09-07 Jason Merrill <jason@redhat.com>
833 * varasm.c (output_constant): Only strip actual no-op conversions.
836 * config/i386/i386.c (override_options): Use 128-bit
837 stack boundary if -msse.
839 2006-09-07 Eric Christopher <echristo@apple.com>
841 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
843 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
846 2006-09-07 Geoffrey Keating <geoffk@apple.com>
848 * dwarf2out.c: Remove strange characters from comment above
849 dwarf2out_frame_debug_expr.
851 2006-09-07 Eric Christopher <echristo@apple.com>
853 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
854 * config/darwin.h: ... to here.
856 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
858 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
860 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
861 (TARGET_PARTIAL_FLAG_REG_STALL): New.
863 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
864 TARGET_PARTIAL_FLAG_REG_STALL.
865 (*ashldi3_cconly_rex64): Likewise.
866 (*ashlsi3_cmp): Likewise.
867 (*ashlsi3_cconly): Likewise.
868 (*ashlsi3_cmp_zext): Likewise.
869 (*ashlhi3_cmp): Likewise.
870 (*ashlhi3_cconly): Likewise.
871 (*ashlqi3_cmp): Likewise.
872 (*ashlqi3_cconly): Likewise.
873 (*ashrdi3_cmp_rex64): Likewise.
874 (*ashrdi3_cconly_rex64): Likewise.
875 (*ashrsi3_cmp): Likewise.
876 (*ashrsi3_cconly): Likewise.
877 (*ashrsi3_cmp_zext): Likewise.
878 (*ashrhi3_cmp): Likewise.
879 (*ashrhi3_cconly): Likewise.
880 (*ashrqi3_cmp): Likewise.
881 (*ashrqi3_cconly): Likewise.
882 (*lshrdi3_cmp_rex64): Likewise.
883 (*lshrdi3_cconly_rex64): Likewise.
884 (*lshrsi3_cmp): Likewise.
885 (*lshrsi3_cconly): Likewise.
886 (*lshrsi3_cmp_zext): Likewise.
887 (*lshrhi3_cmp): Likewise.
888 (*lshrhi3_cconly): Likewise.
889 (*lshrqi2_cmp): Likewise.
890 (*lshrqi2_cconly): Likewise.
892 2006-09-07 Uros Bizjak <uros@kss-loka.si>
895 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
896 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
897 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
898 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
899 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
900 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
901 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
902 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
903 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
904 implement only CC setting effects of shift instructions.
906 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
908 * doc/contrib.texi: Add myself.
910 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
913 * stor-layout.c (relayout_decl): Don't zero the alignment if it
916 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
919 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
920 (divsi_inv_m1): Use them.
921 (UNSPEC_DIV_INV_TABLE): New constant.
923 2006-09-06 James E Wilson <wilson@specifix.com>
926 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
927 then call count_or_remove_death_notes.
929 2006-09-06 Jason Merrill <jason@redhat.com>
932 * tree-inline.c (copy_result_decl_to_var): New fn.
933 (declare_return_variable): Use it. Call declare_inline_vars here.
934 (expand_call_inline): Not here.
936 2006-09-06 Diego Novillo <dnovillo@redhat.com>
938 * doc/contrib.texi: Update my entry.
940 2006-09-06 Nick Clifton <nickc@redhat.com>
942 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
944 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
947 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
948 (canonicalize_induction_variables): Likewise.
949 (tree_unroll_loops_completely): Likewise.
950 (tree_ssa_prefetch_arrays): Likewise.
951 (remove_empty_loops): Likewise.
952 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
953 TODO_cleanup_cfg instead of directly calling
954 cleanup_tree_cfg_loop.
955 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
957 (tree_unroll_loops_completely): Likewise.
958 (remove_empty_loops): Likewise.
959 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
960 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
961 of tree_ssa_unswitch_loops.
962 (tree_ssa_loop_ivcanon): Use the return value of
963 canonicalize_induction_variables.
964 (tree_ssa_empty_loop): Use the return value of
966 (tree_complete_unroll): Use the return value of
967 tree_unroll_loops_completely.
968 (tree_ssa_loop_prefetch): Use the return value of
969 tree_ssa_prefetch_arrays.
970 * passes.c (execute_todo): Before Cleanup CFG, set
971 updating_used_alone and after cleanup CFG, call
972 recalculate_used_alone.
974 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
977 * tree-vect-transform.c (vectorizable_condition): Move the check
978 for the type after the check for simple condition.
980 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
981 Kaz Kojima <kkojima@gcc.gnu.org>
984 * mode-switching.c (optimize_mode_switching): Make the destination
985 block of an abnormal edge have no anticipatable mode. Don't
986 insert mode switching code at the end of the source block of
989 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
991 PR rtl-optimization/26847
992 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
993 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
994 (simplify_plus_minus): Count n_constants while filling ops. Replace
995 qsort with insertion sort. Before going through the array to simplify
996 pairs, sort it. Delay early exit until after the first sort, exiting
997 only if no swaps occurred. Simplify pairs in reversed order, without
998 special-casing the first iteration. Pack ops after simplifying pairs.
1000 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1002 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1003 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1004 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1005 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1007 2006-09-05 Richard Guenther <rguenther@suse.de>
1009 PR tree-optimization/28900
1010 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1011 compound conditional before creating COND_EXPR condition.
1013 2006-09-05 Richard Guenther <rguenther@suse.de>
1015 PR tree-optimization/28905
1016 * tree-vrp.c (fix_equivalence_set): Manually implement
1017 !value_ranges_intersect_p to also handle symbolic ranges.
1019 2006-09-05 Richard Guenther <rguenther@suse.de>
1022 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1025 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1027 PR rtl-optimization/27616
1028 * cse.c (table_size): New static variable.
1029 (new_basic_block): Initialize it to 0.
1030 (remove_from_table): Decrement it.
1031 (insert): Increment it.
1032 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1033 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1034 fold_rtx_mem_1 if under the cap.
1035 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1036 the lookup of the equivalent expression and test for equality of the
1037 first operand of the equivalent expression before in turn looking up
1038 an equivalent constant for the second operand.
1040 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1043 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1044 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1045 pointer, instead of assuming it is possible to derive the
1046 correct args size from a call insn.
1048 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1051 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1052 (fold_builtin_mempcpy): Rename to...
1053 (fold_builtin_memory_op): ... this. Optimize one element copy
1055 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1057 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1058 (expand_builtin_memcpy, expand_builtin_mempcpy,
1059 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1060 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1061 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1062 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1064 2006-09-01 DJ Delorie <dj@redhat.com>
1066 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1067 (stzx_16): Likewise.
1068 ("stzx_24_<mode>"): Likewise.
1069 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1070 ("cmp<mode>_op"): New.
1071 (cmp<mode>): Change to expander; just save operands.
1073 (b<code>): Change to expander, emit compare here.
1074 (s<code>_op): Change to use split and expander.
1075 (s<code>_24_op): Likewise.
1076 (s<code>_<mode>): New.
1077 (s<code>_<mode>_24): New.
1078 (movqicc_<code>_<mode): New.
1079 (movhicc_<code>_<mode>): New.
1082 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1083 (m32c_pend_compare): New.
1084 (m32c_unpend_compare): New.
1085 (m32c_expand_scc): New.
1086 (m32c_expand_movcc): Emit the compare also.
1087 * config/m32c/predicates.md (mra_nopp_operand): New.
1089 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1090 Richard Guenther <rguenther@suse.de>
1091 Adam Nemet <anemet@caviumnetworks.com>
1094 * builtins.c (get_pointer_alignment): Handle more forms
1095 of base addresses that can be used to derive more precise
1096 information about alignment.
1098 2006-09-01 Jason Merrill <jason@redhat.com>
1101 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1104 * gimplify.c (voidify_wrapper_expr): Handle null type.
1106 2006-09-01 Josh Conner <jconner@apple.com>
1109 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1110 (execute_return_slot_opt): Use it.
1112 2006-08-31 Josh Conner <jconner@apple.com>
1115 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1116 returning aggregates.
1118 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1120 PR tree-optimization/28839
1121 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1122 blocks in that phi arguments appear.
1124 2006-08-31 Roger Sayle <roger@eyesopen.com>
1127 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1128 NULL, otherwise use an advance_loc4 to adjust relative to the
1130 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1131 (dwarf2out_switch_text_section): Reset the current label to avoid
1132 using advance_loc4 over section boundaries.
1134 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1137 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1138 r12 + SYMBOLIC_CONST.
1140 2006-08-30 Richard Guenther <rguenther@suse.de>
1142 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1144 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1146 PR rtl-optimization/27735
1147 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1148 Add new argument to keep track of whether an irreducible region
1149 was affected. All callers changed.
1150 (fix_irreducible_loops): Removed.
1151 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1152 flags were invalidated.
1154 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1156 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1157 instead of SF operands.
1158 (*fop_df_comm_sse): Likewise.
1159 (*fop_df_comm_i387): Likewise.
1160 (*fop_df_1_mixed): Likewise.
1161 (*fop_df_1_sse): Likewise.
1163 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1164 J"orn Rennecke <joern.rennecke@st.com>
1166 PR tree-optimization/17506
1167 * tree-ssa.c (warn_uninit): If warning about a location outside of
1168 the current function, note where the variable was declared.
1170 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1172 PR tree-optimization/28411
1173 * double-int.c (double_int_div): Use double_int_divmod.
1174 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1175 double_int_mod, double_int_smod, double_int_umod): New functions.
1176 * double-int.h (double_int_divmod, double_int_sdivmod,
1177 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1179 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1181 (get_computation_aff, get_computation_cost_at): Handle double_int
1182 return type of constant_multiple_of.
1184 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1187 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1188 an implicit conversion.
1190 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1192 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1194 2006-08-27 Roger Sayle <roger@eyesopen.com>
1196 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1199 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1201 * config/i386/crtfastmath.c: Fix a comment typo.
1203 2006-08-26 Roger Sayle <roger@eyesopen.com>
1205 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1206 temporary visit flags on CASE_LABEL_EXPRs.
1207 * c-common.c (match_case_to_enum): Add function comment. Avoid
1208 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1209 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1210 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1211 a constant, only warn if that constant value isn't handled.
1213 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1216 * input.h (restore_input_file_stack): Declare.
1217 (INPUT_FILE_STACK_BITS): Define.
1218 * toplev.c (fs_p, input_file_stack_history,
1219 input_file_stack_restored, restore_input_file_stack): New.
1220 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1221 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1222 (pop_srcloc): Don't free old state of stack.
1224 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1227 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1228 (PowerPC Type Attributes): New.
1230 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1232 * config/xtensa/xtensa.c (function_arg_boundary): New.
1233 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1235 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1236 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1238 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1241 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1244 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1246 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1247 (verify_local_live_at_start): Likewise.
1249 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1252 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1253 omp_add_variable): Treat sizes as variable whenever not
1256 2006-08-26 Richard Guenther <rguenther@suse.de>
1259 * fold-const.c (fold_binary): Fold temporary to correct
1260 type before constructing new comparison.
1262 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1265 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1266 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1268 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1271 * c-decl.c (start_function): Don't try to process prototype
1272 information from old declaration that isn't a function.
1274 2006-08-25 Jan Hubicka <jh@suse.cz>
1277 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1279 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1282 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1285 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1287 PR tree-optimization/16876
1288 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1289 exit if PARM doesn't match VALUE.
1291 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1293 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1294 literal_prefix directive.
1295 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1296 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1297 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1299 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1302 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1303 predicate to general_operand. Add 0->y and I->r alternatives.
1305 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1307 * doc/tm.texi: Fix a typo.
1308 * predict.c: Fix comment typos.
1310 2006-08-25 Nick Clifton <nickc@redhat.com>
1312 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1313 assertions of "cpu" and "machine".
1315 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1318 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1319 the access through a base which has an alias set of 0 cannot
1322 2006-08-24 Bill Wendling <wendling@apple.com>
1324 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1326 2006-08-24 Jan Hubicka <jh@suse.cz>
1328 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1330 2006-08-24 Jan Hubicka <jh@suse.cz>
1333 * cgraph.c: Fix comments.
1334 (cgraph_varpool_mark_needed_node): Mark only variables not already
1336 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1337 (cgraph_varpool_assembled_nodes_queue): New static variable.
1338 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1339 (cgraph_varpool_output_debug_info): New function.
1340 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1341 * Makefile.in: Add gt-cgraphunit.h
1343 2006-08-24 Jan Hubicka <jh@suse.cz>
1345 * predict.c (probability_reliable_p): New predicate.
1346 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1347 (predict_loops): Do not predict loop exit with less than 2%
1349 * basic-block.h (edge_probability_reliable_p,
1350 br_prob_note_reliable_p): Declare.
1351 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1352 prediction when static predictor is not reliable.
1353 * rs6000.c (output_cbranch): Likewise.
1355 2006-08-23 Stuart Hastings <stuart@apple.com>
1358 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1359 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1361 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1364 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1365 complex values, nor for generic vector values.
1367 2006-08-22 Richard Guenther <rguenther@suse.de>
1370 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1371 parameter. Convert arguments to arithmetic expression to the
1373 (analyze_scalar_evolution_1): Adjust caller.
1375 2006-08-22 Jan Hubicka <jh@suse.cz>
1377 Patch by Paolo Bonzini
1378 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1381 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1383 PR tree-optimization/28003
1384 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1385 before grouping aliases.
1387 2006-08-22 Roger Sayle <roger@eyesopen.com>
1389 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1390 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1392 2006-08-21 Jason Merrill <jason@redhat.com>
1395 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1396 wrapper. Loop to handle nested wrappers.
1397 (gimplify_bind_expr): Remove temp parameter.
1398 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1399 and STATEMENT_LIST on the rhs.
1400 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1401 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1402 (gimplify_target_expr): Remove special BIND_EXPR handling.
1404 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1406 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1409 2006-08-21 Olivier Hainque <hainque@adacore.com>
1411 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1412 Arrange for the temporary captures of components overlapping the lhs
1413 to happen before the lhs is possibly cleared.
1415 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1417 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1418 necessary places to pass the correct "number of registers" values
1421 2006-08-20 Jan Hubicka <jh@suse.cz>
1423 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1424 (create_name_tags): Instead of quadratic checking use hashtable.
1425 * bitmap.h: Include hashtab.h.
1426 (bitmap_hash): Declare.
1427 * bitmap.c (bitmap_hash): New function.
1429 2006-08-20 Jan Hubicka <jh@suse.cz>
1431 PR rtl-optimization/28071
1432 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1434 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1435 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1436 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1437 cgraph_decide_inlining_incrementally): Update use of
1438 cgraph_check_inline_limits.
1439 * cgraph.c (edge_hash, edge_eq): New function.
1440 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1441 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1442 cgraph_remove_node): Maintain call site hash.
1443 * cgraph.h (struct cgraph_node): Add call_site_hash.
1444 (cgraph_set_call_stmt): New function.
1446 2006-08-20 Jan Hubicka <jh@suse.cz>
1448 PR rtl-optimization/28071
1449 * reload1.c (reg_has_output_reload): Turn into regset.
1450 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1451 choose_reload_regs, emit_reload_insns): Update to new
1452 reg_has_output_reload.
1454 2006-08-20 Jan Hubicka <jh@suse.cz>
1457 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1458 function body sizes.
1459 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1461 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1464 * tree.c (handle_dll_attribute): Return early if not a
1465 var or function decl.
1467 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1470 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1471 alignment of SPE vector types.
1473 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1475 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1477 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1480 * cgraph.h (struct cgraph_node): Remove externally_visible
1482 * cgraphunit.c (process_function_and_variable_attributes): Set
1483 local.externally_visible rather than externally_visible.
1486 * c-common.c (handle_externally_visible_attribute): First look
1487 at TREE_CODE and only if it is function or var decl, check for
1488 non-public objects. Don't warn for DECL_EXTERNAL.
1489 * cgraphunit.c (process_function_and_variable_attributes): Warn
1490 if externally_visible attribute is used on non-public object.
1492 2006-08-17 Jan Hubicka <jh@suse.cz>
1494 PR tree-optimization/27865
1495 * reload1.c (forget_marked_reloads): New function.
1496 (forget_old_reloads_1): When data are passed, just mark the registers
1498 (reload_as_needed): Use the new mechanizm.
1500 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1503 * reload.h (reg_equiv_alt_mem_list): New declaration.
1504 * reload1.c (reg_equiv_alt_mem_list): New definition.
1505 (reload): Initialize it and release it.
1506 (delete_output_reload): Use it.
1507 * reload.c (push_reg_equiv_alt_mem): New function.
1508 (find_reloads_toplev): Call it.
1509 (find_reloads_address, find_reloads_address_1): Likewise.
1510 (find_reloads_subreg_address): Likewise.
1512 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1514 PR rtl-optimization/28489
1515 * sched-ebb.c (begin_schedule_ready): Create basic block
1517 (advance_target_bb): Skip empty blocks.
1518 * haifa-sched.c (bb_note): Make global.
1519 * sched-int.h (bb_note): Add prototype.
1521 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1523 PR tree-optimization/27865
1524 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1526 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1527 fold_used_pointer, pointer_used_p): New functions.
1528 (analyze_scalar_evolution_1): Use fold_used_pointer.
1529 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1530 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1533 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1536 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1537 or the INTEGER_CST. Fail on a CALL_EXPR.
1538 (fold_offsetof): Pass new argument to fold_offsetof_1.
1539 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1540 operand into an INDIRECT_REF.
1541 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1543 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1545 PR gcov/profile/26570
1546 * value-prof.c (static_values): Removed.
1547 (tree_find_values_to_profile): Do not set static_values.
1548 (find_values_to_profile): Do not free static_values.
1549 * profile.c (instrument_values): Do not free the values.
1550 (branch_prob): Free the values.
1552 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1554 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1556 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1559 * c-typeck.c (build_component_ref): Combine qualifiers of
1560 structure or union and field.
1562 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1564 PR rtl-optimization/28071
1565 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1566 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1567 * tree-into-ssa.c (struct dom_dfsnum): New.
1568 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1570 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1571 compute_global_livein.
1572 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1573 in phi nodes in the correct blocks.
1575 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1577 PR tree-optimization/28364
1578 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1580 (fold_affine_expr): New function.
1581 (may_eliminate_iv): Use fold_affine_expr.
1583 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1586 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1589 2006-08-16 Mike Stump <mrs@apple.com>
1591 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1592 * doc/cppopts.texi (-MD): Likewise.
1594 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1597 * c-common.c (handle_weak_attribute): Ignore and warn if
1598 not a FUNCTION_ or VAR_DECL.
1600 2006-07-15 Mike Stump <mrs@apple.com>
1603 * c-parser.c (c_parser_typeof_specifier): Don't use
1604 c_finish_expr_stmt, open code desired semantics instead.
1606 2006-08-15 Nick Clifton <nickc@redhat.com>
1608 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1609 fragment to tmake_file only if threads are enabled.
1610 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1611 * config/i386/t-gthr-win32: New file. ... here.
1613 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1616 * c-parser.c (c_parser_compound_statement_nostart): Reset
1617 parser->error after each statement.
1619 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1622 * omp-low.c (lower_omp_parallel): Convert t to
1623 receiver_decl's type.
1624 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1625 source before comparison.
1628 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1629 to itype in assignment to oldival2.
1631 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1635 * c-typeck.c (build_compound_expr): If the second expression
1636 is an error mark, then just return an error mark instead of
1637 creating a COMPOUND_EXPR.
1639 2006-07-14 Mike Stump <mrs@apple.com>
1641 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1643 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1645 * c-decl.c, var-tracking.c: Fix comment typos.
1647 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1649 PR rtl-optimization/28634
1650 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1651 for floating-point modes unless flag_unsafe_math_optimizations.
1653 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1654 Andrew Pinski <pinskia@physics.uc.edu>
1657 * tree.c (build_array_type): Unify array types with
1658 unspecified index_type.
1659 * c-decl.c (grokdeclarator): Make sure we do not modify a
1660 unified incomplete array type.
1661 * c-typeck.c (store_init_value): Create distinct type before
1662 filling in the index type in an initializer from a compound
1665 * c-decl.c (grokdeclarator): Remove code where we copy the
1668 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1670 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1671 into account for TODO_dump_cgraph.
1672 (TODO_update_ssa_no_phi): Likewise.
1673 (TODO_update_ssa_full_phi): Likewise.
1674 (TODO_update_ssa_only_virtuals): Likewise.
1675 (TODO_remove_unused_locals): Likewise.
1676 (TODO_set_props): Likewise.
1677 (TODO_update_stmt_usage): Likewise.
1679 2006-08-13 Dirk Mueller <dmueller@suse.de>
1681 * c-common.c (strict_aliasing_warning): Fix formatting.
1683 2006-08-13 Matthias Klose <doko@debian.org>
1685 * doc/invoke.texi: Fix spelling errors.
1687 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1689 PR rtl-optimization/23454
1690 * reorg.c (relax_delay_slots): Update comment.
1692 2006-08-11 Richard Guenther <rguenther@suse.de>
1695 * simplify-rtx.c (simplify_const_relational_operation):
1696 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1699 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1701 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1702 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1704 2006-08-10 Paul Brook <paul@codesourcery.com>
1706 * final.c (final_scan_insn): Clear current_insn_predicate before
1707 outputting inline asm.
1709 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1711 PR tree-optimization/26197
1712 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1713 get_ref_base_and_extent and overlap_subvar to add only relevant
1714 subvars as may-aliases.
1715 (add_may_alias_for_new_tag): New function, factored out of
1717 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1718 with additional argument.
1719 * tree-flow.h (new_type_alias): Takes additional argument.
1721 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1723 * gcov.c (no_data_file): New flag.
1724 (read_count_file): Set it if data file not present. Assume counts
1726 (output_lines): Don't name the data file, if there wasn't one.
1728 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1730 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1731 (rs6000_generate_compare): Tweak comments.
1732 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1734 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1736 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1737 (var_debug_decl): New function.
1738 (var_reg_set): Follow debug decl link. Add location even if
1739 reg is already known to hold some other variable.
1740 (var_mem_set): Follow debug decl link.
1741 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1742 decl link. Delete other known locations of the variable part
1744 (var_reg_delete, var_mem_delete): Delete other known locations
1745 of the variable part if requested.
1746 (same_variable_part_p): New function.
1747 (add_stores): Select MO_COPY when appropriate.
1748 (vt_initialize): Handle it.
1749 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1750 known locations for MO_SET and MO_CLOBBER.
1751 (find_variable_location_part): New function.
1752 (set_variable_part, delete_variable_part): Use it.
1753 (clobber_variable_part): New function.
1754 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1757 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1759 PR tree-optimization/26969
1760 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1761 with an empty list of PHIs.
1763 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1767 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1770 2006-08-06 Andreas Schwab <schwab@suse.de>
1772 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1773 string. Whitespace and comment fixup.
1775 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1778 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1782 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1785 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1787 2006-08-04 Jan Hubicka <jh@suse.cz>
1791 * reload.c (push_reload): Patch out the mismatching instruction;
1793 (find_reload): Bail out if the instruction was patched out.
1795 2006-08-04 Jan Hubicka <jh@suse.cz>
1797 PR tree-optimization/24888
1798 * tree-inline.c (expand_call_inline): Do not re-record variables.
1799 (declare_inline_vars): Add variable to unexpanded_var_list.
1801 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1802 Roger Sayle <roger@eyesopen.com>
1804 PR rtl-optimization/26244
1805 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1806 inner_const are negative or greater than or equal to the bitsize of
1807 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1808 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1809 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1810 CONST0_RTX (mode) when the new shift count is greater than or equal to
1811 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1814 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1816 * tree-cfg.c: Fix a comment typo.
1818 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1821 * varasm.c (output_constant): Give the front end another chance to
1822 expand constants, after stripping NOPs.
1824 2006-08-03 Jan Hubicka <jh@suse.cz>
1826 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1829 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1831 PR tree-optimization/27770
1832 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1833 declaration removed (moved to tree-flow.h).
1834 (vect_can_force_dr_alignment_p): Likewise.
1835 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1836 (moved from tree-vectorizer.h).
1837 (vect_can_force_dr_alignment_p): Likewise.
1838 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1839 from outside the vectorizer - in particular from cgraph stage.
1840 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1841 the alignment of global arrays when -fsection-anchors is enabled.
1842 * cgraphunit.c (cgraph_increase_alignment): New function.
1843 (cgraph_optimize): Call cgraph_increase_alignment.
1845 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1848 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1849 not reload a SPE symbol_ref into a lo_sum address.
1851 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1854 * dwarf2out.c (prune_unused_types_prune): Move call to
1855 prune_unused_types_update_strings to cover the parent DIE also.
1857 2006-08-02 Jan Hubicka <jh@suse.cz>
1859 PR gcov/profile/28480
1860 * tree-cfg.c (change_bb_for_stmt): New function.
1861 (tree_merge_blocks, tree_split_blocks): Use it.
1863 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1869 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1870 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1871 (cgraph_optimize): Likewise.
1873 2006-08-01 Stuart Hastings <stuart@apple.com>
1875 * rtl.h (UINTVAL) New.
1876 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1877 * testsuite/gcc.dg/20060801-1.c: New.
1879 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1882 * c-typeck.c (build_external_type): Mark used enum types.
1883 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1885 (gen_subprogram_die): Whitespace fix.
1887 2006-08-01 Jan Hubicka <jh@suse.cz>
1889 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1890 bitmap when not needed.
1891 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1894 2006-08-01 Dirk Mueller <dmueller@suse.de>
1896 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1898 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1900 * Makefile.in: Revert part of previous patch:
1901 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1904 2006-07-30 Eric Christopher <echristo@apple.com>
1907 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1908 (PowerPC Variable Attributes): New section.
1910 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1912 PR target/28126 (partial fix)
1913 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1915 2006-07-28 Jan Hubicka <jh@suse.cz>
1917 PR rtl-optimization/28071
1918 * cfgrtl.c (rtl_delete_block): Free regsets.
1919 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1921 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1923 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1924 and variables used in dependencies.
1926 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1928 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1929 %fs for -mcmodel=kernel.
1930 (stack_tls_protect_test_di): Likewise.
1932 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1934 * Makefile.in: Use mkinstalldirs.
1936 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1939 * opts-common.c (prune_options): Skip joined switches.
1941 2006-07-27 Jan Hubicka <jh@suse.cz>
1943 PR rtl-optimization/28071
1944 * cselib.c (cselib_process_insn): Don't remove useless values too
1945 often for very large hashtables.
1947 2006-07-27 Jan Hubicka <jh@suse.cz>
1949 PR rtl-optimization/28071
1950 * global.c (greg_obstack): New obstack.
1951 (allocate_bb_info): Use it.
1952 (free_bb_info): Likewise.
1953 (modify_reg_pav): Likewise.
1955 2006-07-27 Roger Sayle <roger@eyesopen.com>
1957 * builtins.c (fold_fixed_mathfn): When long and long long are the
1958 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1959 functions to their lceil*, lfloor*, lround* and lrint* forms.
1961 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1964 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1966 (rev_branch_insn): Likewise.
1968 2006-07-27 Jan Hubicka <jh@suse.cz>
1970 PR rtl-optimization/28071
1971 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1972 (reg_set_in_bb, max_reg_computed): New static variables.
1973 (regmove_optimize): Free the new array.
1974 (fixup_match_1): Update call of reg_is_remote_constant_p.
1976 2006-07-26 Jan Hubicka <jh@suse.cz>
1978 PR tree-optimization/27882
1979 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1981 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1983 (cgraph_analyze_compilation_unit): Likewise.
1984 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1985 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1986 (cgraph_early_inlinine): Make order garbage collected.
1987 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1989 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1991 * dbxout.c (output_types_sort): Add a comment.
1992 (output_used_types): Free the VEC.
1994 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1996 * function.c (reorder_fix_fragments): Delete.
1997 (reorder_blocks): Don't call it.
1998 (reorder_blocks_1): Put all subblocks under the origin block.
2000 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2002 PR rtl-optimization/27907
2003 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2006 2006-07-25 Roger Sayle <roger@eyesopen.com>
2009 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2010 bar(x) check that bar's result type can represent all the values of T.
2012 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2014 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2016 2006-07-25 Nick Clifton <nickc@redhat.com>
2018 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2019 size_lookup[] array.
2020 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2021 (ggc_pch_count_object): Likewise.
2022 (ggc_pch_alloc_object): Likewise.
2023 (ggc_pch_write_object): Likewise.
2024 (init_ggc): Do not attempt to initialize entries in the
2025 size_lookup[] array for objects whose size is greater than than
2026 the length of the array.
2028 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2030 * dbxout.c (output_used_types_helper): Push queued types
2032 (output_types_sort): New.
2033 (output_used_types): Collect used types on a VEC and sort them
2036 2006-07-24 Richard Guenther <rguenther@suse.de>
2039 * cgraph.c (cgraph_remove_node): Do not check if dumps
2041 * cgraphunit.c (cgraph_optimize): Likewise.
2043 2006-07-24 Jan Hubicka <jh@suse.cz>
2045 PR rtl-optimization/28071
2046 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2047 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2048 splitting before first stmt.
2050 2006-07-24 Jan Hubicka <jh@suse.cz>
2052 PR rtl-optimization/28071
2053 * ipa-inline.c (update_caller_keys): Remove edges that
2054 are no longer inline candidates.
2056 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2059 * dbxout.c (output_used_types_helper, output_used_types): New.
2060 (dbxout_symbol): Call output_used_types.
2062 2006-07-23 Jan Hubicka <jh@suse.cz>
2066 * cgraph.c (cgraph_varpool_nodes): Export.
2067 (decide_is_variable_needed): Ignored "used" attribute in
2068 unit-at-a-time mode.
2069 * cgraph.h (cgraph_varpool_nodes): Declare.
2070 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2071 unit-at-a-time mode.
2073 2006-07-23 Roger Sayle <roger@eyesopen.com>
2076 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2077 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2078 the __gthrw form of thr_keycreate.
2079 (__gthread_key_delete): Silence the unused argument warning.
2081 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2084 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2085 Cache the last found '\0' marker to avoid quadratic behavior.
2087 2006-07-23 Jan Hubicka <jh@suse.cz>
2089 * i386.md (subsi_3_zext): Fix output template.
2091 2006-07-21 Mike Stump <mrs@apple.com>
2093 * doc/invoke.texi (C++ Dialect Options): Note that
2094 -fvisibility-inlines-hidden doesn't affect explicitly
2095 instantiationed inline methods.
2097 2006-07-20 Roger Sayle <roger@eyesopen.com>
2099 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2100 if the target assembler is GNU binutils' gas.
2101 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2102 whether to pass GNU gas or native as command line options.
2104 2006-07-20 Jason Merrill <jason@redhat.com>
2106 * tree.c (remove_attribute): New fn.
2107 * tree.h: Declare it.
2109 2006-07-20 Paul Brook <paul@codesourcery.com>
2112 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2113 they are invalidated by this instruction.
2115 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2118 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2120 2006-07-20 Eric Christopher <echristo@apple.com>
2123 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2125 2006-07-19 Eric Christopher <echristo@apple.com>
2127 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2128 Rewrite dependencies for libgcc_s.1.dylib.
2130 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2132 * except.c (duplicate_eh_regions_1): Clear next_peer.
2134 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2136 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2137 -mlongcall does not guarantee all calls will be long.
2138 * doc/extend.texi (long_call/short_call): Document that longcall
2139 does not guarantee a long call will be used.
2140 (longcall/shortcall): Likewise.
2142 2006-07-18 Roger Sayle <roger@eyesopen.com>
2145 * expmed.c (expand_shift): Additionally check that the shift_cost
2146 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2147 before implementing a LSHIFT_EXPR as a sequence of additions.
2148 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2149 middle-end that DImode shifts need to be synthesized by expand.
2151 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2154 * tree-ssa-operands.c (access_can_touch_variable): Update
2156 Return true if ALIAS is .GLOBAL_VAR.
2158 2006-07-18 David Daney <ddaney@avtrex.com>
2160 * gcc.c (display_help): Fix typo in help text.
2162 2006-07-18 Olivier Hainque <hainque@adacore.com>
2164 * tree.h (categorize_ctor_elements): Adjust prototype and add
2165 descriptive comment, both in accordance with the interface change
2167 * varasm.c (constructor_static_from_elts_p): New function.
2168 Whether a constructor node is a valid static constant initializer
2169 if all its elements are.
2170 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2171 * output.h: Declare it.
2172 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2173 is a valid constant initializer instead of computing the number of
2174 non-constant elements. Use constructor_static_from_elts_p for this
2175 purpose. Replace the head comment with an indication that this is a
2176 helper for categorize_ctor_elements.
2177 (categorize_ctor_elements): Same interface change as for the _1
2178 helper. Former head comment from this helper moved here, adjusted to
2179 account for the interface changes.
2180 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2181 (all_zeros_p): Likewise.
2182 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2183 static versions of the constructor from the categorize_ctor_elements
2184 return value instead of the formerly computed number of non-constant
2187 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2189 * configure: Regenerate.
2190 * Makefile.in (build_libsubdir): New configure substitution
2191 (build_libobjdir): New variable.
2192 (BUILD_LIBIBERTY): Use it.
2194 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2197 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2199 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2202 * c-common.c (handle_weakref_attribute): Ignore attribute in
2203 the same conditions the alias attribute is ignored.
2205 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2207 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2208 (dbxout_begin_prologue): Increment scope_labelno.
2210 2006-07-17 Richard Henderson <rth@redhat.com>
2213 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2216 2006-07-17 Roger Sayle <roger@eyesopen.com>
2217 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2219 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2220 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2221 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2222 functions such as sbrk, write, etc.. Add function prototypes.
2223 Convert function declarations from K&R to ISO C. Cast pointers
2224 to "long" and "unsigned long" instead of "int" and "unsigned int".
2225 Convert tokens following #endif into comments.
2227 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2229 * invoke.texi: Remove mention of f77; Reformat table for
2230 inline parameter options correctly; mention that -malign-double
2231 is default on x86-64 targets.
2233 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2235 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2236 (convert_affine_scev, chrec_convert_aggressive): Use
2237 avoid_arithmetics_in_type_p. Do not check for the subtypes
2240 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2243 * optabs.c (expand_doubleword_shift): Wrap the call to
2244 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2246 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2249 * optabs.c (expand_binop): Pass next_methods rather than methods
2250 to expand_doubleword_shift.
2252 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2255 * tree.h (dump_addr): Declare.
2256 * print-tree.c (dump_addr): New function.
2257 (print_node_brief, print_node): Use it.
2258 * print-rtl.c (print_rtx): Likewise.
2259 * common.opt (-fdump-noaddr): New option.
2260 * doc/invoke.texi (-fdump-noaddr): Document.
2261 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2262 (ve_info_hash): Likewise.
2264 2006-07-13 Andrew Haley <aph@redhat.com>
2266 PR tree-optimization/19505
2267 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2268 edge leaving this block, make sure that the destination of this
2269 block has only one predecessor.
2271 2006-07-17 Richard Guenther <rguenther@suse.de>
2273 PR tree-optimization/28238
2274 * tree-inline.c (copy_bb): Check if we produced valid
2275 gimple copying and substituting a stmt. If not, gimplify
2278 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2280 * optabs.c (maybe_encapsulate_block): New function extracted from...
2281 (emit_libcall_block): ...here. Invoke it on the block of insns to
2282 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2283 (emit_no_conflict_block): Likewise.
2285 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2287 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2289 2006-07-15 Roger Sayle <roger@eyesopen.com>
2291 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2292 a new NOP_EXPR case of the switch statement.
2294 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2297 * stor-layout.c (place_field): Take the bit field with
2298 an excessive size into account in the ms-bitfiled case.
2301 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2302 the previous bit field.
2304 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2307 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2309 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2311 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2312 signal frames correctly even when the signal was installed with
2315 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2317 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2318 (dbxout_function_end): Use local label LFBB. Remove hook
2320 (dbxout_source_line): Use local label LFBB.
2321 (dbxout_block): Likewise.
2322 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2323 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2324 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2325 and DBX_OUTPUT_NFUN.
2327 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2329 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2331 2006-07-13 Jan Hubicka <jh@suse.cz>
2333 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2335 * output.h (align_variable): Declare.
2336 * varasm.c (align_variable): Export.
2337 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2338 when basic block changed.
2340 2006-07-13 Nick Clifton <nickc@redhat.com>
2342 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2343 walking the LOG_LINKS chain.
2345 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2347 * doc/invoke.texi (C++ Dialect Options): Explain difference
2348 between -fvisibility-inlines-hidden and setting hidden
2349 visibility explicitly.
2351 2006-07-12 Eric Christopher <echristo@apple.com>
2353 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2354 (stmp-lipo): Depend on libgcc.a.
2356 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2358 * tree.c: Fix a comment typo.
2360 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2362 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2364 (umulhisi3_r): Likewise.
2366 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2369 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2370 x < 19, vs wchar_t support.
2372 2006-07-12 Nick Clifton <nickc@redhat.com>
2374 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2375 instead of -isa=sh4.
2377 2006-07-12 Mike Stump <mrs@apple.com>
2379 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2381 2006-07-10 Eric Christopher <echristo@apple.com>
2383 * config/t-slibgcc-darwin: Rewrite.
2385 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2388 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2391 2006-07-08 Matthias Klose <doko@debian.org>
2393 * doc/sourcebuild.texi: Fix typo.
2395 2006-07-07 Mike Stump <mrs@apple.com>
2397 * toplev.c (process_options): Don't give -ffunction-sections may
2398 affect debugging warning for Mach-O.
2400 2006-07-07 James E Wilson <wilson@specifix.com>
2402 * config/mips/mips.md (cpu): Add sb1a.
2403 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2404 addition to sb1. Adjust comments to clarify SB-1A differences from
2406 (ir_sb1a_load): New. Modify bypasses to use it.
2407 (ir_sb1a_simple_alu): Likewise.
2408 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2409 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2410 (mips_issue_rate): Add PROCESSOR_SB1A.
2411 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2412 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2413 (TARGET_SB1): Add PROCESSOR_SB1A check.
2414 (TUNE_SB1): Likewise.
2416 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2417 * config/mips/mips.c (mips_store_data_bypass_p): New.
2418 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2419 store_data_bypass_p.
2421 2006-07-08 Paul Brook <paul@codesourcery.com>
2424 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2426 2006-07-07 Richard Guenther <rguenther@suse.de>
2429 * tree.h (build_one_cst): Declare.
2430 * tree.c (build_one_cst): New function.
2431 * tree-ssa-math-opts.c (get_constant_one): Remove.
2432 (insert_reciprocals): Use build_one_cst.
2433 * fold-const.c (fold_plusminus_mult): Likewise.
2435 2006-07-07 Roger Sayle <roger@eyesopen.com>
2437 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2438 * cfgloopanal.c (dump_graph): Likewise.
2439 * dojump.c (discard_pending_stack_adjust): Likewise.
2440 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2442 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2443 * function.c (finalize_block_changes): Likewise.
2444 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2445 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2446 * rtl.c (dump_rtx_statistics): Likewise.
2447 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2449 * varray.c (dump_varray_statistics): Likewise.
2450 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2451 decode_decimal64, encode_decimal128, decode_decimal128,
2452 decimal_real_to_decimal): Likewise.
2454 2006-07-07 Richard Guenther <rguenther@suse.de>
2456 PR tree-optimization/28187
2457 * tree-vrp.c (vrp_operand_equal_p): New function.
2458 (vrp_bitmap_equal_p): Likewise.
2459 (update_value_range): Use them to compare old and new
2462 2006-07-06 Roger Sayle <roger@eyesopen.com>
2464 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2465 a default case to switch statement to silence compiler warnings.
2467 2006-07-06 Roger Sayle <roger@eyesopen.com>
2470 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2471 the configured assembler supports the x87's ffreep mnemonic.
2472 * configure: Regenerate.
2473 * config.in: Regenerate.
2475 * config/i386/i386.c (output_387_ffreep): New function.
2476 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2477 (output_387_reg_move): Likewise.
2479 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2481 Port to hosts whose 'sort' and 'tail' implementations
2482 treat operands with leading '+' as file names, as POSIX
2483 has required since 2001. However, make sure the code still
2484 works on pre-POSIX hosts.
2485 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2486 which says you should use "tail -c +N" rather than "tail +Nc".
2487 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2489 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2491 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2494 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2497 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2498 PRE_{INC,DEC} of TFmode.
2500 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2501 Alan Modra <amodra@bigpond.net.au>
2504 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2507 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2510 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2511 Remove duplicate gtu.
2513 2006-07-05 Jason Merrill <jason@redhat.com>
2517 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2518 * c-common.c (handle_packed_attribute): So don't copy it here.
2519 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2521 2006-07-05 Mike Stump <mrs@apple.com>
2523 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2525 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2528 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2530 2006-07-05 Richard Guenther <rguenther@suse.de>
2533 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2534 TARGET_SSE2 targets if using SSE math.
2535 (*absdf2_1): Likewise.
2537 2006-07-05 Richard Guenther <rguenther@suse.de>
2539 PR tree-optimization/28162
2540 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2541 make sure to convert the operands to the correct type.
2543 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2545 PR tree-optimization/28218
2547 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2548 to calculate and free the dominator information.
2550 2006-07-04 Peter O'Gorman <peter@pogma.com>
2552 * mklibgcc.in: chmod 644 before ranlib during install.
2554 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2555 J"orn Rennecke <joern.rennecke@st.com>
2557 * configure.ac (.eh_frame data check): Use diff -b.
2559 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2562 * Makefile.in (BUILD_RTL): Add build/vec.o.
2563 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2564 (build/genextract): Delete.
2565 (build/genautomata): Likewise.
2567 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2570 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2571 128-bit IBM long doubles for ABI_V4.
2573 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2575 * tree.c (range_in_array_bounds_p): New predicate.
2576 * tree.h (range_in_array_bounds_p): Declare it.
2577 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2578 return a less conservative answer.
2579 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2580 and flag 'is_group'.
2581 (IS_ELEMENT_FOR_GROUP): New macro.
2582 (FOR_EACH_ACTUAL_CHILD): Likewise.
2583 (next_child_for_group): New helper function.
2584 (can_completely_scalarize_p): Take into account groups.
2585 (sra_hash_tree): Handle RANGE_EXPR.
2586 (sra_elt_eq): Likewise.
2587 (lookup_element): Be prepared for handling groups.
2588 (is_valid_const_index): Delete.
2589 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2590 instead of is_valid_const_index.
2591 <ARRAY_RANGE_REF>: New case.
2592 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2593 is_valid_const_index.
2594 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2595 (scan_dump): Dump info for groups too.
2596 (decide_instantiation_1): Likewise.
2597 (decide_block_copy): Assert that the element is not a group.
2598 Propagate decision to groups.
2599 (generate_one_element_ref): Handle RANGE_EXPR.
2600 (mark_no_warning): Iterate over actual childs.
2601 (generate_copy_inout): Likewise.
2602 (generate_element_copy): Likewise.
2603 (generate_element_zero): Likewise.
2604 (generate_element_init_1): Likewise.
2605 (dump_sra_elt_name): Handle RANGE_EXPR.
2607 2006-07-03 Roger Sayle <roger@eyesopen.com>
2609 PR tree-optimization/26251
2610 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2611 (thread_block): When optimizing for size refuse to thread jumps
2612 that would require duplication of blocks other than redirection
2615 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2617 * configure.ac: Fix thinko in previous check-in.
2618 * configure: Regenerate.
2620 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2623 * configure.ac (for lang...): Simplify nesting of conditionals.
2624 Test subdir_requires for non-enabled languages. Move processing
2625 of lang_opt_files and lang_tree_fiels below that test.
2626 * configure: Regenerate.
2627 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2629 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2631 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2633 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2635 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2638 2006-06-29 Jason Merrill <jason@redhat.com>
2645 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2646 * c-common.c (c_determine_visibility): Handle it here.
2647 * c-decl.c (finish_decl): Call c_determine_visibility for
2649 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2651 * varasm.c (default_assemble_visibility): Likewise.
2652 * c-common.c (handle_visibility_attribute): Complain about trying
2653 to give visibility to an already defined class, or trying to change
2654 declared visibility. Always attach the attribute.
2659 * attribs.c (decl_attributes): Ignore type-in-place attributes
2660 once the type has been defined.
2662 2006-06-29 Roger Sayle <roger@eyesopen.com>
2665 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2666 to indicate the cpplib has issued an error message for us.
2668 2006-06-29 Asher Langton <langton2@llnl.gov>
2671 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2672 insert a label at the end of an function under Mach-O.
2674 2006-06-29 Eric Christopher <echristo@apple.com>
2675 Evan Cheng <evan.cheng@apple.com>
2677 * predicates.md (vector_all_ones_operand): New.
2678 (nonimmediate_or_sse_const_operand): Ditto.
2679 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2680 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2681 (standard_sse_mode_p): Ditto.
2682 (standard_sse_constant_p): Add case for -1 vector.
2683 (ix86_expand_vector_move): Try to use.
2684 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2685 Call standard_sse_constant_opcode.
2686 (*movv4sf_internal): Ditto.
2687 (*movv2df_internal): Ditto.
2689 2006-06-29 Roger Sayle <roger@eyesopen.com>
2691 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2692 of XEXP to extract the operands of a MATCH_CODE rtx.
2694 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2696 * tree.c (tree_size): Do not waste tail padding in
2697 struct tree_string and make the size be the same as
2698 build_string will generate.
2700 2006-06-28 Jason Merrill <jason@redhat.com>
2703 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2704 may_aliases already in the tag's annotations to the bitmap.
2706 2006-06-28 Roger Sayle <roger@eyesopen.com>
2708 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2710 2006-06-28 Roger Sayle <roger@eyesopen.com>
2712 * genpreds.c (generate_switch_p): New function.
2713 (add_mode_tests): Push the new mode test down inside an AND expr
2714 if this allows the switch-suitable MATCH_CODE to be near the root.
2715 (write_match_code_switch): New function to write a MATCH_CODE as
2717 (write_predicate_stmts): New function to write a predicate RTX
2718 expression as a sequence of statements.
2719 (write_one_predicate_function): Use write_predicate_stmts.
2720 (write_tm_constrs_h): Likewise.
2722 2006-06-26 Fred Fish <fnf@specifix.com>
2724 * config/mips/t-sb1: New file.
2725 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2728 2006-06-26 DJ Delorie <dj@redhat.com>
2730 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2732 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2733 Jayant Sonar <jayants@kpitcummins.com>
2734 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2736 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2737 (subsi3, subsi3_1, subsi3_2): New.
2738 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2739 * config/m32c/mov.md (SI mov peephole): New.
2740 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2741 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2743 2006-06-26 Olivier Hainque <hainque@adacore.com>
2745 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2746 a CALL_EXPR target function declaration.
2748 2006-06-26 Richard Guenther <rguenther@suse.de>
2750 * tree.c (build_string): Do not waste tail padding in
2753 2006-06-26 Richard Guenther <rguenther@suse.de>
2755 * ggc-page.c (init_ggc): Add missing element to size_lookup
2759 2006-06-23 Richard Guenther <rguenther@suse.de>
2761 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2762 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2763 alignment requests instead. Add verification code.
2764 Add struct tree_function_decl and struct tree_binfo size to
2765 extra_order_size_table. Add missing element to size_lookup
2768 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2771 * fold-const.c (const_binop): Be prepared for self returning zero.
2772 Simplify code handling complex values.
2774 2006-06-24 Olivier Hainque <hainque@adacore.com>
2776 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2777 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2780 2006-06-24 Olivier Hainque <hainque@adacore.com>
2782 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2783 ARRAY_REF, so have the callback called for the low bound expression.
2785 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2787 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2788 * c-typeck.c (c_common_type): Disallow operations on decimal float
2789 types and other float types.
2790 * convert.c (convert_to_real): Don't ignore conversions involving
2791 decimal float types.
2793 2006-06-23 Olivier Hainque <hainque@adacore.com>
2795 * tree.c (max_int_size_in_bytes): New function, inspired from
2796 code in function.c:assign_temp.
2797 * tree.h (max_int_size_in_bytes): Declare.
2798 * function.c (assign_temp): Use it.
2799 * gimplify.c (create_tmp_var): Relax the assertions on the type
2800 properties, not mandating constant size any more.
2801 (force_constant_size): New static function.
2802 (gimple_add_tmp_var): Use it, forcing variable size to a
2803 constant upper bound if it is not constant on entry.
2805 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2808 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2809 for initialization and setting of one_only flag to ...
2810 (i386_pe_encode_section_info): ...here.
2811 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2812 Recheck that the symbol has not been defined.
2814 2006-06-23 Richard Guenther <rguenther@suse.de>
2816 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2817 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2818 alignment requests instead. Add verification code.
2819 Add struct tree_function_decl and struct tree_binfo size to
2820 extra_order_size_table. Add missing element to size_lookup
2823 2006-06-22 Roger Sayle <roger@eyesopen.com>
2824 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2827 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2828 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2830 2006-06-23 Ben Elliston <bje@au.ibm.com>
2832 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2833 negate dn -- manipulate it directly.
2835 2006-06-22 Roger Sayle <roger@eyesopen.com>
2836 Steven Bosscher <stevenb.gcc@gmail.com>
2839 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2840 generated by gen_move_insn to add REG_LABEL notes if necessary.
2842 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2844 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2845 (leaf_entry): Remove use of MIN_ESA.
2847 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2849 PR rtl-optimization/28121
2850 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2853 2006-06-21 DJ Delorie <dj@redhat.com>
2855 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2857 (mulhisi3_r): Likewise.
2859 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2862 * coverage.c (coverage_counter_alloc): Leave the index type
2864 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2867 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2869 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2870 section from the "Options for Code Generation Conventions".
2872 2006-06-21 Richard Henderson <rth@redhat.com>
2876 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2878 (global_symbolic_operand): Allow weak symbols, even if local_p.
2880 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2882 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2883 (find_interesting_uses_address): Punt if above function returns true.
2885 2006-06-21 Richard Guenther <rguenther@suse.de>
2887 * configure: Regenerated.
2889 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2891 * config/mips/mips.c (function_arg): Where one part of a
2892 complex argument is in registers and the other part in the stack,
2893 return a REG not a PARALLEL.
2895 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2897 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2898 when cross-compiling. Do not substitute libstdcxx_incdir.
2899 * configure: Regenerated.
2901 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2903 * varasm.c (mergeable_string_section): Check for embedded NULs and
2904 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2905 rather than TREE_STRING_LENGTH bytes.
2907 2006-06-21 Richard Guenther <rguenther@suse.de>
2909 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2910 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2913 2006-06-21 Richrad Guenther <rguenther@suse.de>
2915 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2916 Limit iteration over the dominators.
2918 2006-06-20 Roger Sayle <roger@eyesopen.com>
2920 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2921 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2923 2006-06-20 Richard Guenther <rguenther@suse.de>
2924 Michael Matz <matz@suse.de>
2926 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2928 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2929 * et-forest.h (et_free_pools): Prototype new function.
2930 * et-forest.c (et_free_tree_force): Free parent occurrence.
2931 (et_free_pools): New function.
2932 * dominance.c (free_dominance_info): Free et-forest alloc
2935 2006-06-20 Roger Sayle <roger@eyesopen.com>
2937 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2938 integer modes, attempt to directly construct an integer constant.
2940 * fold-const.c (native_encode_vector): Determine the size of each
2941 element from the vector type instead of the first vector element.
2943 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2944 if all of its elements/components are constant.
2945 (build_constructor_from_list): Likewise.
2947 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2949 PR tree-optimization/27331
2950 * tree-data-ref.c (free_data_ref): New function.
2951 (create_data_ref): Fail if the data reference has unknown access
2953 (free_data_refs): Use free_data_ref.
2955 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2958 * tree-inline.c (setup_one_parameter): Strip useless
2959 type conversion before adding it to the IR.
2960 (declare_return_variable): Likewise.
2962 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2965 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2967 2006-06-19 Mike Stump <mrs@apple.com>
2969 * tree.c (variably_modified_type_p): VM arguments don't make the
2972 2006-06-19 Richard Guenther <rguenther@suse.de>
2974 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2975 type conversions after folding.
2977 2006-06-19 Richard Guenther <rguenther@suse.de>
2979 * ggc-page.c (extra_order_size_tab): Add entries with
2980 size of struct function and basic_block.
2981 (size_lookup): Extend to cover sizes up to 511.
2982 (ggc_alloc_stat): Adjust user.
2983 (ggc_pch_count_object): Likewise.
2984 (ggc_pch_alloc_object): Likewise.
2985 (ggc_pch_write_object): Likewise.
2987 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2989 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2990 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
2993 2006-06-19 Denis Chertykov <denisc@overta.ru>
2995 * config/avr/libgcc.S : Correct my wrong previous commit.
2997 2006-06-19 Roger Sayle <roger@eyesopen.com>
3000 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3001 have stripped a SUBREG from the shift count, so we may need to
3002 convert_to_mode back to the type's mode before calling make_tree.
3003 Use new_amount instead of amount to avoid expanding a tree twice.
3005 2006-06-19 Richard Guenther <rguenther@suse.de>
3008 * fold-const.c (operand_equal_p): Check if the argument types
3009 have the same precision before stripping NOPs.
3011 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3013 Fix PR tree-optimization/27341
3014 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3016 * tree-complex.c (pass_lower_complex): Update SMT usage.
3018 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3020 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3021 Add a new alternative to the constraint strings. Add move of
3022 operand 1 to 3 to the splitter definition.
3023 ("doloop_si_long"): Second contraint alternative removed.
3025 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3027 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3028 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3030 (AVR_HAVE_MOVW) Define.
3031 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3032 (ASM_SPEC): Add avr25.
3033 (LINK_SPEC): Add avr25.
3034 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3035 (base_arch_s): Add new member 'have_movw_lpmx'.
3036 (avr_arch_types): Init 'have_movw_lpmx'.
3037 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3038 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3039 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3040 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3041 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3043 (avr_file_start): Do not output '.arh' derective.
3044 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3045 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3046 * config/avr/avr.md (mcu_enhanced): Delete.
3047 (mcu_have_movw): Define.
3048 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3049 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3050 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3051 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3052 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3053 attiny861 and at86rf401 devices.
3055 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3057 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3060 2006-06-17 Karl Berry <karl@gnu.org>
3062 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3063 doc/gccint.texi, doc/install.texi (@dircategory): Use
3064 "Software development" instead of "Programming", following
3065 the Free Software Directory.
3067 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3069 * config/i386/i386.c (legitimate_tls_address)
3070 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3071 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3072 (*tls_dynamic_gnu2_combine_64): Likewise.
3074 2006-06-16 Richard Guenther <rguenther@suse.de>
3077 * fold-const.c (negate_expr_p): Do not introduce undefined
3078 overflow in negating INTEGER_CSTs.
3079 (fold_negate_expr): Rename from negate_expr. Revert last
3080 change for folding BIT_NOT_EXPR. Change semantics to
3081 return NULL_TREE for non-simplified negations. Do not
3082 strip type conversions and unify type handling.
3083 (negate_expr): New function, wrap around fold_negate_expr
3084 but ensure building a tree always. Strip type conversions
3085 here, fold to result type.
3086 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3088 2006-06-16 Roger Sayle <roger@eyesopen.com>
3091 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3092 that (would) return their results in stack registers.
3094 2006-06-16 Michael Matz <matz@suse.de>
3095 Richard Guenther <rguenther@suse.de>
3097 * fold-const.c (fold_truthop): Only return new tree node if
3098 we canonicalized something.
3100 2006-06-16 Richard Guenther <rguenther@suse.de>
3102 * function.h (enum function_frequency): Move declaration
3103 out of struct function.
3104 (struct function): Move bool fields and the enum to the bitfield
3105 section. Reorder elements to avoid padding. Remove unused
3106 fields left over from the RTL inliner removal.
3107 * function.c (free_after_compilation): Do not zero removed fields.
3108 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3109 (ipa-type-escape.o): Likewise.
3111 2006-06-16 Richard Guenther <rguenther@suse.de>
3113 * cgraph.h (struct cgraph_local_info): Turn bool elements
3115 (struct cgraph_node): Likewise.
3116 (struct cgraph_varpool_node): Likewise.
3118 2006-06-15 Richard Guenther <rguenther@suse.de>
3120 * fold-const.c (fold_truth_not_expr): Rename from
3121 invert_truthvalue. Give it fold_* semantics to avoid
3123 (invert_truthvalue): New function. Wrapper around
3124 fold_truth_not_expr.
3125 (optimize_minmax_comparison): Avoid creating garbage.
3126 (fold_unary): Use fold_truth_not_expr for folding
3128 (fold_ternary): Replace uses of invert_truthvalue with
3129 fold_truth_not_expr where applicable.
3130 * tree.h (fold_truth_not_expr): Prototype.
3132 2006-06-16 Richard Guenther <rguenther@suse.de>
3134 PR tree-optimization/27781
3135 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3136 * ipa-pure-const.c (target.h): Include.
3137 (analyze_function): Do not analyze functions that do not
3140 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3143 * tree-dfa.c (referenced_vars_dup_list): Remove.
3144 (find_referenced_vars): Remove assert.
3145 (referenced_var_check_and_insert): Replace dup list with assert.
3146 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3147 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3149 2006-06-15 Richard Guenther <rguenther@suse.de>
3151 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3152 extra unused identifiers if not dumping.
3153 (create_variable_info_for): Likewise.
3155 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3157 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3158 (derive_constant_upper_bound): Derive more precise upper bound in
3159 common cases. Return type changed to double_int.
3160 (record_estimate): Reflect the changed return type of
3161 derive_constant_upper_bound.
3162 * double-int.c (double_int_zext, double_int_sext): Fix.
3164 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3166 * configure.ac (CFLAGS): Get them from the toplevel or from the
3167 configure invocation.
3168 * configure: Regenerate.
3169 * Makefile.in (CFLAGS): Substitute value provided by configure.
3171 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3174 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3175 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3176 rather than calling add_stmt on it.
3177 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3179 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3182 * reload1.c (reload): Remove registers returned by update_eliminables
3183 from used_spill_regs.
3185 2006-06-13 DJ Delorie <dj@redhat.com>
3187 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3189 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3191 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3192 html__strip_dir, html__mkdir_p. Enhance install-html target.
3193 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3194 * configure: Regenerate.
3196 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3198 * fold-const.c (fold_cond_expr_with_comparison): Check for
3199 Objective-C++ as language in deciding COND_EXPR transformation.
3201 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3204 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3205 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3206 * config/sh/lib1funcs.h (SL, SL1): Define.
3207 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3208 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3209 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3210 (OBJS_Os_4_200): New variable.
3211 ($(T)libgcc-Os-4-200.a): Use it.
3212 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3213 when dividing 1 and/or by 0.
3215 2006-06-13 Roger Sayle <roger@eyesopen.com>
3217 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3218 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3219 * configure: Regenerate.
3221 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3223 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3224 for real instruction.
3226 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3229 * haifa-sched.c (check_cfg): Handle special case.
3231 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3234 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3235 Add debug_info parameter. Chain the vars to the BLOCK instead
3236 of the BIND_EXPR if debug info are requested for them.
3237 (pop_gimplify_context): Adjust for above change.
3238 (gimple_add_tmp_var): Likewise.
3239 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3241 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3242 (convert_local_reference): Likewise.
3243 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3244 (finalize_nesting_tree_1): Request that debug info be emitted
3245 for debug_var_chain.
3247 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3249 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3250 for PR target/27863.
3252 2006-06-13 Richard Guenther <rguenther@suse.de>
3255 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3257 2006-06-13 Richard Guenther <rguenther@suse.de>
3259 PR tree-optimization/27830
3260 * tree-inline.c (copy_body_r): For copying the operand
3261 of an ADDR_EXPR make sure to fold &* afterwards.
3263 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3265 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3266 lvalues in the fb_none case with side-effects.
3268 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3270 * tree-flow.h: Remove the prototype for
3271 compute_phi_arg_on_exit.
3272 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3273 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3276 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3278 * builtins.c (expand_builtin_return_addr): Only use
3279 frame_pointer_rtx when count == 0 and we are expanding
3280 __builtin_return_address.
3282 2006-06-12 Fred Fish <fnf@specifix.com>
3284 * config/mips/mips.c (mips_file_start): Create special section
3285 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3287 2006-06-11 Eric Christopher <echristo@apple.com>
3290 * stor-layout.c (place_field): Remove check for
3291 remaining_in_alignment when aligning at the end of a run.
3293 2006-06-11 Eric Christopher <echristo@apple.com>
3296 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3299 2006-06-11 Roger Sayle <roger@eyesopen.com>
3302 Revert incorrect fix for PR target/27158
3303 2006-05-08 Roger Sayle <roger@eyesopen.com>
3304 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3305 of a reg_equiv_constant if the result is a legitimate constant.
3307 2006-06-11 Roger Sayle <roger@eyesopen.com>
3310 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3311 extract a CONST_VECTOR element and interpret it as an integer.
3312 (vspltis_constant): Use const_vector_elt_as_int instead of the
3313 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3314 * config/rs6000/predicates.md (easy_vector_const): Consider
3315 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3317 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3320 * stor-layout.c (update_alignment_for_field): Don't add extra
3321 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3324 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3326 * config/mips/t-rtems: Add EL/EB multilib variants.
3328 2006-06-09 Mike Stump <mrs@apple.com>
3330 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3332 2006-06-09 David Daney <ddaney@avtrex.com>
3334 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3336 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3338 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3340 2006-06-09 Richard Guenther <rguenther@suse.de>
3342 PR tree-optimization/26998
3343 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3344 of signed types, only TYPE_MIN_VALUE is special, but for both,
3345 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3346 in this case, as is -fwrapv.
3348 2006-06-08 Mike Stump <mrs@apple.com>
3351 * config/darwin.c (darwin_asm_output_anchor): Disable
3352 -fsection-anchors on darwin for now.
3353 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3354 * rs6000/rs6000.c (optimization_options): Likewise.
3356 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3359 * config/i386/i386.c (classify_argument): Skip fields with invalid
3362 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3364 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3365 (cse_insn): Likewise for the stack_pointer_rtx.
3367 2006-06-08 Roger Sayle <roger@eyesopen.com>
3369 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3370 conditions from floating point comparisons.
3372 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3375 * expmed.c (struct alg_hash_entry): Fix type of field T
3376 to match synth_mult argument.
3377 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3379 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3382 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3385 2006-06-08 Richard Guenther <rguenther@suse.de>
3388 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3389 only, if overflow is defined and not trapping.
3390 (negate_expr): Likewise.
3392 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3394 PR tree-optimization/27872
3395 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3396 flag on the new exit edge of the unrolled loop.
3398 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3400 PR rtl-optimization/26449
3401 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3403 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3406 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3407 referenced_variables with matching DECL_UID's.
3408 (find_referenced_vars): Make sure duplicate list is empty to start.
3409 (referenced_var_p): Remove.
3410 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3411 Check if var is in the list, and add if needed. Update the duplicate
3412 list if a different var is in the list with the same DECL_UID.
3413 (add_referenced_var): Call routine to check and insert.
3414 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3415 * tree-flow.h (referenced_vars_dup_list): External declaration.
3417 2006-06-07 Fred Fish <fnf@specifix.com>
3419 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3422 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3425 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3426 the imaginary and real parts of a clobbered register.
3427 Emit insn to set the imaginary part.
3429 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3431 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3432 in lieu of unwind-dw2-fde.c.
3434 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3436 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3438 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3441 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3442 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3443 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3444 V4SImode temporaries and operations instead.
3446 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3448 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3451 2006-06-06 Mike Stump <mrs@apple.com>
3453 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3454 installing during build.
3456 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3458 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3460 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3461 * config/ia64/ia64.c (params.h): New header.
3462 (ia64_optimization_options): New function to adjust parameters.
3463 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3464 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3465 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3467 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3469 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3471 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3474 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3476 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3477 Victor Kaplansky <victork@il.ibm.com>
3479 PR tree-optimization/26360
3480 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3483 2006-06-04 Roger Sayle <roger@eyesopen.com>
3484 Andrew Pinski <pinskia@physics.uc.edu>
3487 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3488 for LABEL_DECL before calling DECL_WEAK.
3491 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3492 LABEL_DECL and PARM_DECL.
3494 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3498 * c-decl.c (grokdeclarator): Disallow variably modified types at
3499 file scope. Avoid marking shared array type of constant size as
3502 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3505 * c-common.c (fold_offsetof_1): Handle static members.
3507 2006-06-04 Eric Christopher <echristo@apple.com>
3509 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3510 (debug_rli): Output value for remaining_in_alignment.
3511 (update_alignment_for_field): Unconditionalize
3512 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3513 extra alignment code.
3514 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3515 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3516 * tree.h (record_layout_info_s): Remove prev_packed.
3517 * doc/extend.texi (ms_struct): Add documentation of format.
3519 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3521 * tree.h: Declare folding_initializer.
3522 * builtins.c (fold_builtin_constant_p): Give definite answer
3523 if folding inside an initializer.
3524 * fold-const.c: Define folding_initializer.
3525 (START_FOLD_INIT): Save and then set folding_initializer.
3526 (END_FOLD_INIT): Restore folding_initializer.
3528 2006-06-04 Richard Guenther <rguenther@suse.de>
3530 PR tree-optimization/27039
3531 * fold-const.c (fold_comparison): Handle pointer comparison
3532 again for all comparison codes. Compare offsets in signed
3534 (fold_binary): Move code from here.
3536 2006-06-03 Roger Sayle <roger@eyesopen.com>
3539 * config/i386/i386.c (construct_container): Split static issued_error
3540 flag into issued_sse_arg_error, issued_sse_ret_error and
3541 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3542 requires the use of x87 registers and the user explicitly
3543 specified the -mno-80387 command line option.
3545 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3547 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3548 HAVE_DECL_SIGALTSTACK.
3550 (segv_handler): Use MC_FLD.
3551 * configure.ac: Check for a sigaltstack declaration.
3552 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3553 * configure: Regenerate.
3554 * config.in: Regenerate.
3556 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3559 * Makefile.in (stmp-fixinc): Fix typo.
3561 2006-06-02 Roger Sayle <roger@eyesopen.com>
3563 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3564 are type correct. Clean-up.
3565 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3566 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3568 2006-06-01 DJ Delorie <dj@redhat.com>
3570 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3571 shift, as we've disabled the "switch" insn that needs it.
3573 2006-06-01 Per Bothner <bothner@bothner.com>
3575 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3576 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3577 * c-ppoutput.c (cb_define): Don't increment line 0.
3579 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3581 * doc/invoke.texi: Add cpu_type power6.
3582 * config.gcc: Add cpu_type power6.
3583 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3584 to power5+ with Altivec.
3585 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3586 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3588 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3590 * config/avr/avr.h (SET_ASM_OP): Define.
3592 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3594 * config/bfin/bfin.c: Fix comment typos.
3596 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3599 * doc/install.texi: Document --enable-bootstrap and
3600 --disable-bootstrap.
3602 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3604 * doc/install.texi: Document that InfoZIP can replace jar.
3606 2006-05-31 Roger Sayle <roger@eyesopen.com>
3608 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3609 isn't available, directly generate the simpler x87 patterns without
3610 the (use (const_int 0)).
3611 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3612 implementation isn't available.
3613 (*negdf2_1): Likewise.
3614 (*negxf2_1): XF mode negation is always done using the x87.
3615 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3617 2006-05-31 Roger Sayle <roger@eyesopen.com>
3619 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3620 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3622 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3624 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3626 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3627 * config/bfin/bfin.c (basic-block.h): Include.
3628 (struct machine_function): New.
3629 (bfin_init_machine_status): New.
3630 (override_options): Initialize init_machine_status.
3631 (bfin_hardware_loop): New.
3632 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3633 (DEF_VEC_P (loop_info)): New.
3634 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3635 (struct loop_info): New.
3636 (loop_info): New typedef.
3637 (struct loop_work): New.
3638 (loop_work): New typedef.
3639 (DEF_VEC_O (loop_work)): New.
3640 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3641 (bfin_dump_loops): New.
3642 (bfin_bb_in_loop): New.
3643 (bfin_scan_loop): New.
3644 (bfin_optimize_loop): New.
3645 (bfin_reorg_loops): New.
3646 (bfin_reorg): Use bfin_reorg_loops.
3647 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3649 (I_REGNO_P): Simplify.
3650 (DP_REGNO_P, DPREG_P): New macros.
3651 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3652 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3653 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3654 Add LT_REGS, LC_REGS, LB_REGS.
3655 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3657 (REGNO_REG_CLASS): Deal with loop registers.
3658 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3660 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3661 New constants for loop registers.
3662 (UNSPEC_LSETUP_END): New.
3663 (seq_insns): New define_attr. Set it for appropriate insns.
3664 (movsi_insn): Add alternatives for move from/to
3665 loop count registers.
3666 (doloop_end): New define_expand.
3667 (loop_end): New define_insn.
3668 (define_split for bad doloop_end): New.
3669 (lsetup_with_autoinit): New define_insn.
3670 (lsetup_without_autoinit): New define_insn.
3671 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3672 * config/bfin/predicates.md (lc_register_operand): New.
3673 (lt_register_operand): New.
3674 (lb_register_operand): New.
3675 (nondp_register_operand): New.
3676 (nondp_reg_or_memory_operand): New.
3677 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3679 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3681 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3682 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3684 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3686 * Makefile.in (CATALOGS): Add po/ prefix.
3687 * configure: Regenerated.
3689 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3692 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3693 a shift operand before calling shift_op. Avoid redundant call of
3696 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3697 DJ Delorie <dj@redhat.com>
3699 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3700 we're inserting is a singlt-bit constant.
3702 2006-05-30 Roger Sayle <roger@eyesopen.com>
3704 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3705 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3707 2006-05-30 Roger Sayle <roger@eyesopen.com>
3709 PR tree-optimization/23452
3710 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3711 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3712 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3713 complex values and with -ffast-math for FP complex values.
3715 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3717 * c-common.h: Remove the prototype for yyparse.
3718 * rtl.h: Remove the prototype for init_loop.
3720 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3722 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3725 2006-05-30 Roger Sayle <roger@eyesopen.com>
3727 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3729 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3730 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3732 2006-05-30 Dirk Mueller <dmueller@suse.de>
3735 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3736 for CONSTANT_CLASS_P expresisons.
3738 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3741 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3743 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3745 PR tree-optimization/27779
3746 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3747 initial_condition instead of CHREC_LEFT.
3749 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3751 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3752 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3753 Make prototypes ISO C90.
3755 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3756 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3758 * see.c (see_analyze_one_def): Correct check.
3759 (see_get_extension_data): Check if extension is parallel.
3760 (see_get_extension_reg): Likewise.
3762 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3765 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3766 into register for (code == GTU).
3768 2006-05-29 Roger Sayle <roger@eyesopen.com>
3770 PR tree-optimization/24964
3771 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3772 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3773 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3774 abs(x)*abs(x) as x*x for scalar floating point modes.
3776 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3779 * lambda-code.c (perfect_nestify): Don't copy statements
3780 in the inner loop: move them to the inner loop header.
3782 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3785 * c-tree.texi: Document OpenMP directives and clauses.
3787 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3789 * varasm.c (globalize_decl): Fix indentation.
3791 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3794 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3795 pass_fre, pass_store_ccp, pass_copy_prop,
3796 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3797 pass_return_slot, pass_object_size, pass_lim,
3798 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3799 pass_loop_prefetch and pass_stdarg.
3801 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3803 * config/bfin/bfin.opt (mfdpic): New option.
3804 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3805 (EXTRA_MULTILIB_PARTS): Likewise.
3806 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3807 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3809 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3810 (CRT_CALL_STATIC_FUNCTION): New.
3811 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3813 (CRT_CALL_STATIC_FUNCTION): New.
3814 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3816 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3817 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3818 (initialize_trampoline): Changed to handle FD-PIC code generation.
3819 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3820 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3821 (override_options): Disallow -mid-shared-library -mfdpic combination.
3822 Can't do unaligned ops if FD-PIC.
3823 Turn off flag_pic if trying to generate non-id-shared-library
3824 non-fdpic code, since it's not supported.
3825 (bfin_assemble_integer): New function.
3826 (TARGET_ASM_INTEGER): Define.
3827 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3829 * config/bfin/crtn.s: Restore them.
3830 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3832 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3833 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3834 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3835 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3836 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3838 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3839 FDPIC_REGS and FDPIC_FPTR_REGS.
3840 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3841 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3842 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3843 (load_funcdescsi): New pattern.
3844 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3845 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3846 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3848 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3850 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3853 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3855 * tree-flow.h: Remove the prototype for add_type_alias.
3856 * tree-ssa-alias.c (add_type_alias): Remove.
3858 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3860 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3861 config/fr30/fr30.md, config/i386/i386-interix.h,
3862 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3863 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3864 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3865 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3866 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3867 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3868 Follow spelling conventions.
3869 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3870 Follow spelling conventions.
3872 2006-05-27 Richard Guenther <rguenther@suse.de>
3875 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3876 to produce a constant of value 1 of generic type.
3878 2006-05-27 Dirk Mueller <dmueller@suse.de>
3880 * cgraphunit.c (decide_is_function_needed): Fix wrong
3883 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3885 PR rtl-optimization/27661
3886 * reload.c (find_reloads): When reloading a VOIDmode constant
3887 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3888 use Pmode as mode of the reload register.
3890 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3892 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3893 is enabled at -O and above.
3895 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3898 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3901 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3904 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3905 for anonymous variables explicitly declared by front ends.
3907 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3909 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3910 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3911 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3912 ref-all pointers, run a finalization pass for them.
3913 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3914 (finalize_ref_all_pointers): New function.
3915 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3916 regular pointer type to a ref-all pointer type.
3917 (get_tmt_for): Return the special memory tag for ref-all pointers.
3919 2006-05-25 Richard Guenther <rguenther@suse.de>
3922 * fold-const.c (fold_binary): Do not look at the stripped
3923 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3925 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3927 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3928 for LT and GT if the computed range is effectively empty.
3930 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3933 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3934 mips_quad_format formats instead of ieee_single_format,
3935 ieee_double_format and ieee_quad_format formats, respectively.
3937 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3939 PR tree-optimization/27639
3940 PR tree-optimization/26719
3941 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3942 call to scev_probably_wraps_p.
3943 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3944 used_in_pointer_arithmetic_p, convert_step): Removed.
3945 (nowrap_type_p): New function.
3946 (scev_probably_wraps_p): Rewritten.
3947 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3948 chrec_convert if chrec_convert_aggressive might have been used.
3949 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3950 scev_direction): New functions.
3951 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3952 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3953 instead of convert_step.
3954 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3955 (convert_step): Declaration removed.
3956 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3958 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3960 * df-core.c: Added to header comments.
3961 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3962 df_ur_bb_info, df_urec_bb_info): Added comments.
3963 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3964 urec, ri problems): Fixed header comments.
3965 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3966 code from df_rd_transfer_function.
3968 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3970 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3971 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3972 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3974 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3976 * expr.c (undefined_operand_subword_p): New.
3977 (emit_move_multi_word): Do not generate move from undefined bits
3978 of a paradoxical subreg.
3980 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3982 PR rtl-optimization/27736
3983 * combine.c (replaced_rhs_value): New variable.
3984 (combine_instructions): Set it.
3985 (distribute_notes): When distributing a note in replaced_rhs_insn,
3986 check whether the value was used in replaced_rhs_value.
3988 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3991 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3992 add_referenced_var instead of add_referenced_tmp_var.
3993 * tree-complex.c (create_one_component_var): Use add_referenced_var.
3994 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
3996 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
3997 tree_optimize_tail_calls_1): Use add_referenced_var.
3998 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
3999 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4000 Use add_referenced_var.
4001 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4002 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4003 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4004 Use add_referenced_var.
4005 * tree-dfa.c (struct walk_state): Remove.
4006 (find_referenced_vars): Remove walk state and vars_found hash table.
4007 (make_rename_temp): Use add_referenced_var.
4008 (find_vars_r): Pass less parameters to add_referenced_var.
4009 (referenced_var_p): New. Is var in referenced_var hash table.
4010 (referenced_var_insert): Assert var isn't already in hash table.
4011 (add_referenced_var): Don't need walk_state parameter. Add var if it
4012 isn't already in the hash table.
4013 (add_referenced_tmp_var): Remove.
4014 (find_new_referenced_vars_1): Use add_referenced_var.
4015 * tree-ssa-pre.c (create_expression_by_pieces,
4016 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4017 Use add_referenced_var.
4018 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4019 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4020 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4022 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4023 vect_create_data_ref_ptr, vect_create_destination_var,
4024 vect_init_vector, vect_build_loop_niters,
4025 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4026 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4027 Use add_referenced_var.
4028 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4029 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4030 (add_referenced_var): Add prototype.
4031 * tree-ssa-structalias.c (get_constraint_for,
4032 intra_create_variable_infos): Use add_referenced_var.
4034 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4036 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4037 big-endian paradoxical subregs.
4038 * var-tracking.c (struct micro_operation_def): Document that,
4039 for modify micro operations, insn is the subsequent instruction.
4040 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4041 (var_reg_set, var_mem_set): ... new functions.
4042 (add_stores): Record subsequent insn.
4043 (compute_bb_dataflow): Use new functions for MO_USE.
4044 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4045 notes after the insn, and modify notes before the insn known
4046 to be the subsequent one.
4047 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4049 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4052 * config/i386/i386.c (ix86_expand_builtin): Use
4053 gen_sse3_monitor64 for TARGET_64BIT.
4055 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4057 PR rtl-optimization/26375
4058 PR rtl-optimization/26855
4059 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4061 (df_ru_bb_local_compute): Reversed statements and removed bogus
4062 comment explaining why they should be in wrong order.
4063 (df_ru_dump, df_rd_dump): Enhanced debug info.
4064 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4066 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4067 reaching uses and fixed space problem.
4069 2006-05-23 Jan Hubicka <jh@suse.cz>
4071 * cgraphunit.c (decide_is_function_needed): Also nested functions
4072 and functions declared inline can be optimized out at -O0.
4074 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4076 * doc/install.texi (Configuration): Remove reference to CrossGCC
4080 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4083 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4084 ix86_compare_emitted is non-NULL.
4086 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4089 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4092 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4094 PR rtl-optimization/25514
4095 * combine.c (replaced_rhs_insn): New variable.
4096 (combine_instructions): Set replaced_rhs_insn when trying to replace
4097 a SET_SRC with a REG_EQUAL note.
4098 (distribute_notes): Use replaced_rhs_insn when determining the live
4099 range of a REG_DEAD register.
4101 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4102 Anatoly Sokolov <aesok@post.ru>
4104 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4105 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4106 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4107 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4108 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4109 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4110 at90usb647, at90usb1286 and at90usb1287 devices.
4111 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4112 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4114 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4116 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4118 2006-05-22 Richard Guenther <rguenther@suse.de>
4121 2006-01-31 Richard Guenther <rguenther@suse.de>
4122 Paolo Bonzini <bonzini@gnu.org>
4124 * doc/install.texi (--disable-libgcc-math): Document.
4126 2006-05-22 Richard Guenther <rguenther@suse.de>
4129 2006-01-31 Richard Guenther <rguenther@suse.de>
4131 * doc/invoke.texi (-msselibm): Document.
4132 * target.h (expand_library_builtin): New target hook.
4133 * builtins.c (expand_builtin): Use expand_library_builtin.
4134 (default_expand_library_builtin): New function.
4135 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4136 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4137 (link_gcc_math_spec): Declare.
4138 (static_specs): Add link_gcc_math_spec.
4139 * expr.h (default_expand_library_builtin): Declare.
4140 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4141 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4142 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4143 * config/i386/i386.opt (msselibm): New target option.
4144 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4145 (ix86_init_sse_abi_builtins): New function.
4146 (ix86_expand_library_builtin): Likewise.
4147 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4148 (override_options): Handle error conditions wrt -msselibm.
4149 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4150 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4151 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4154 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4157 * c-common.c (self_promoting_args_p): Skip erroneous args.
4160 * c-decl.c (finish_struct): Skip erroneous fields.
4162 2006-05-22 Nick Clifton <nickc@redhat.com>
4164 * config/cris/cris.opt (march): Remove VarExists attribute.
4165 (max-stackframe=): Likewise.
4167 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4169 * doc/rtl.texi: Fix a typo.
4170 * see.c: Fix comment typos.
4172 * tree-ssa-structalias.h (alias_info): Remove num_references.
4174 2006-05-21 Mike Stump <mrs@apple.com>
4176 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4178 (darwin_pragma_options): Use BAD instead.
4179 (darwin_pragma_unused): Likewise.
4180 (darwin_pragma_ms_struct): Likewise.
4182 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4184 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4186 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4188 PR rtl-optimization/27671
4189 * simplify-rtx.c (simplify_relational_operation_1): Fix
4190 simplifications of (eq/ne (xor x y) y) and
4191 (eq/ne (xor x y) x).
4193 PR tree-optimization/26622.
4194 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4197 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4199 * tree-cfg.c: Prune whitespace.
4200 (debug_tree_cfg): Point to correct header containing the
4203 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4206 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4208 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4211 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4212 or sorry count is non zero.
4214 2006-05-20 Andreas Schwab <schwab@suse.de>
4216 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4218 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4219 Kenneth Zadeck <zadeck@naturalbridge.com>
4221 PR rtl-optimization/26855
4223 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4225 (df_scan_alloc): Added code to properly handle multiword hard
4226 registers and add all_blocks parameter.
4227 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4228 code to properly handle multiword hard registers.
4229 (df_rescan_blocks): Added code to remove deleted blocks from
4231 (df_ref_create_structure, df_ref_record): Added code to properly
4233 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4234 and set DF_REF_PARTIAL.
4235 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4236 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4237 (df_scan_add_problem): Added flags parameter.
4238 (df_ref_create_structure): Changed switching structure.
4239 (df_bb_refs_record): Fixed case where duplicate artificial refs
4240 were created. Changed location of flags.
4241 (df_record_entry_block_defs): Added code to make stack pointer
4242 live in entry block. Refined cases where frame pointer is needed.
4243 Changed location of flags.
4244 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4245 (df_set_state): Removed function.
4246 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4247 df_insn_create_insn_record, df_insn_refs_delete,
4248 df_ref_create_structure): Formatting changes.
4249 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4250 df_delete_basic_block): New function.
4251 (df_init): Changed location of flags.
4252 (df_add_problem): Added flags parameter and the way flags are
4254 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4255 debug_df_chain): Improved debugging output.
4256 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4257 (df_refs_chain_dump): Removed df parameter.
4258 (df_iterative_dataflow): Added consistency check.
4259 (df_prune_to_subcfg): Made public.
4260 (df_analyze_problem): Added blocks_to_init parameter and made
4262 (df_ref_record, df_bb_refs_record, df_mark_reg,
4263 df_record_exit_block_uses): Whitespace changes.
4264 (df_dump): Whitespace changes.
4265 * df.h: Some reordering to remove forward references.
4266 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4267 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4268 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4269 (dataflow.flags): New field.
4270 (df.flag): Deleted field.
4271 (df_alloc_function): Added additional bitmap parameter.
4272 (df_dependent_problem_function): New type.
4273 (df_problem.changeable_flags): New field.
4274 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4275 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4276 (df_mw_hardreg): New struct.
4277 (DF_INSN_UID_MWS): New macro.
4278 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4280 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4281 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4282 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4283 (df_set_state): Removed function.
4284 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4285 * df-problems.c (df_chain_dump): Removed df parameter.
4286 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4287 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4289 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4290 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4291 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4292 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4293 DF_REF_MUST_CLOBBER cases.
4294 (df_ru_bb_local_compute_process_def,
4295 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4296 df_lr_bb_local_compute, df_ur_bb_local_compute,
4297 df_chain_create_bb): Made subreg aware.
4298 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4299 df_lr_bb_local_compute, df_lr_bb_local_compute,
4300 df_chain_create_bb): Cleanup to use proper macros.
4301 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4302 code to fixup bitvectors.
4303 (df_ri_alloc): Cleared lifetime.
4304 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4305 df_create_unused_note): New function.
4306 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4307 REG_DEAD and REG_UNUSED notes as well as register information.
4308 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4309 df_chains_dump): Fixed crash if problem was never run.
4310 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4311 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4312 df_ri_add_problem): Processes flags in uniform manner.
4313 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4314 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4315 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4316 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4317 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4318 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4319 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4320 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4321 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4322 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4323 * see.c (see_initialize_data): Ditto.
4324 * final.c (rest_of_clean_state) Added regstack_completed.
4325 * rtl.h (regstack_completed): Ditto.
4326 * reg-stack.c (regstack_completed): Ditto.
4328 2006-05-19 Mike Stump <mrs@apple.com>
4330 * c-tree.h (default_conversion): Remove.
4331 * c-common.h (default_conversion): Add.
4333 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4335 * tree-vrp.c (valid_value_p): New function.
4336 (adjust_range_with_scev): Fail if the value of bound is not
4339 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4341 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4342 (mips_fallback_frame_state): Use syscall numbers to determine
4343 the appropriate li instruction for the current ABI. Only use
4344 __NR_sigreturn for o32.
4346 2006-05-19 Nicolas Setton <setton@adacore.com>
4348 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4349 * langhooks.c (lhd_dwarf_name): New function.
4350 * langhooks-def.h (lhd_dwarf_name): Declare.
4351 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4352 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4353 * ada/misc.c (gnat_dwarf_name): New function.
4354 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4356 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4358 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4360 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4361 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4362 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4363 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4364 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4365 determine the size of Wtype, etc.
4366 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4367 (swfloatfuncs): New variable.
4368 (dwfloatfuncs): Likewise.
4369 (lib2funcs): Remove floating-point conversion functions from
4370 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4371 the set of conversion routines needed. Allow entries to specify
4372 an object name, filename and word size. Update users accordingly.
4373 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4374 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4378 2006-02-08 Roger Sayle <roger@eyesopen.com>
4381 * config/fixtfdi.c: New libgcc source file.
4382 * config/fixunstfdi.c: New source file.
4383 * config/floatditf.c: New source file.
4384 * config/floatunditf.c: New souce file.
4385 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4386 files above instead of config/mips/_tilib.c.
4387 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4389 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4391 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4392 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4394 2006-05-18 Mike Stump <mrs@apple.com>
4396 Fix up vla, vm and [*] sematics.
4402 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4403 (c_vla_unspec_p): Add.
4404 (c_vla_type_p): Add.
4405 * c-decl.c (struct c_scope): Add had_vla_unspec.
4406 (build_array_declarator): Add support for [*].
4407 (grokdeclarator): Likewise.
4408 (grokparms): Likewise.
4409 (get_parm_info): Likewise.
4410 * c-objc-common.c (c_vla_unspec_p): Likewise.
4411 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4412 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4413 typeof when argument is a variably modified type not inside sizeof or alignof.
4414 (c_parser_direct_declarator_inner): Propagate errors.
4415 (c_parser_sizeof_expression): Add support for [*].
4416 (c_parser_parms_declarator): Initialize had_vla_unspec.
4417 (c_parser_parms_list_declarator): Likewise.
4418 * c-typeck.c (c_vla_type_p): Add.
4419 (composite_type): Add support for vla compositing.
4420 (comptypes_internal): Add support for vla compatibility.
4421 (c_expr_sizeof_expr): Evaluate vla arguments.
4422 * tree.c (variably_modified_type_p): Update comment for [*].
4424 2006-05-18 Michael Matz <matz@suse.de>
4427 * config.host: Make assignments to host_xmake_file cumulative.
4428 * config.host (*-darwin*): Test $host, not $target.
4430 2006-05-12 Stuart Hastings <stuart@apple.com>
4432 * config/i386/i386.opt (-mstackrealign): New flag.
4433 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4434 (ix86_handle_cconv_attribute): Emit error when
4435 force_align_arg_pointer attribute collides with too many regparms.
4436 (ix86_function_regparm): Limit regparms when used with
4437 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4438 Support stack-realigning prologue in non-main functions. Emit
4439 warning for nested functions under -mstackrealign, emit error for
4440 nested functions with force_align_arg_pointer attribute.
4441 * doc/extend.texi (force_align_arg_pointer): Document it.
4442 * doc/invoke.texi (-mstackrealign): Document it.
4444 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4446 PR rtl-optimization/27477
4447 * combine.c (try_combine): Don't split a parallel consisting
4448 of two sets into two individual sets if both sets reference
4451 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4453 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4454 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4456 * doc/options.texi (VarExists): Updated.
4458 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4460 * unwind-dw2.c: Add declarations for uw_update_context and
4462 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4463 detected, advance frame state and context once to skip over stub.
4465 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4469 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4470 Call rewrite_into_loop_closed_ssa only when something changed.
4471 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4472 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4473 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4474 Test for perfect_nest_p here. Fix formating.
4475 (replace_uses_equiv_to_x_with_y): Fix formating.
4476 (stmt_uses_op): Removed.
4477 (can_convert_to_perfect_nest): Removed loopivs parameter.
4478 Complete the test by checking the scalar dependences.
4479 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4482 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4485 From Dan Kegel <dank@kegel.com>:
4486 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4488 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4490 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4491 if the element type is variably modified without recursing.
4493 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4496 * tree-loop-linear.c (try_interchange_loops): Test for
4497 no data dependences.
4499 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4501 PR tree-optimization/27548
4502 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4503 range of ssa names that appear on abnormal edges.
4504 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4505 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4507 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4510 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4512 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4515 * tree.h (OMP_PARALLEL_COMBINED): Define.
4516 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4517 (new_omp_context): Add is_combined_parallel argument.
4518 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4519 new_omp_context caller.
4520 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4521 Adjust gimplify_scan_omp_clauses callers.
4522 (omp_is_private): Issue errors if iteration variable is firstprivate
4523 or reduction in the current context.
4524 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4525 on combined parallel workshare constructs.
4527 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4529 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4530 (gcc-options.o): New rule.
4532 * optc-gen.awk: Protect variables for gcc-options.o with
4533 #ifdef GCC_DRIVER/#endif.
4535 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4537 Fix PR tree-optimization/27373
4538 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4539 (forward_propagate_addr_expr): Update call.
4541 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4543 * doc/options.texi: Move the Negative option.
4545 2006-05-16 Richard Guenther <rguenther@suse.de>
4547 PR tree-optimization/22303
4548 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4550 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4551 ccp_fold did not simplify the statement.
4553 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4556 * Makefile.in (GCC_OBJS): New.
4557 (OBJS-common): Add opts-common.o.
4558 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4559 (cpp$(exeext)): Likewise.
4560 (gcc.o): Also depend on opts.h.
4561 (opts-common.o): New.
4563 * common.opt (gcoff): Add Negative(gdwarf-2).
4564 (gdwarf-2): Add Negative(gstabs).
4565 (gstabs): Add Negative(gstabs+).
4566 (gstabs+): Add Negative(gvms).
4567 (gvms): Add Negative(gxcoff).
4568 (gxcoff): Add Negative(gxcoff+).
4569 (gxcoff+): Add Negative(gcoff).
4570 * config/i386/i386.opt (m32): Add Negative(m64).
4571 (m64): Add Negative(m32).
4573 * doc/options.texi: Document the Negative option.
4575 * gcc.c: Include "opts.h".
4576 (main): Call prune_options after expandargv.
4578 * optc-gen.awk: Generate common declarations for all flag
4579 variables in options.c. Output the neg_index field.
4581 * opts.c (find_opt): Moved to ...
4582 * opts-common.c: Here. New file.
4584 * opts.h (cl_option): Add a neg_index field.
4586 (prune_options): Likewise.
4588 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4591 * omp-low.c (expand_omp_parallel): Don't assert
4592 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4593 instead search for it.
4596 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4599 2006-05-16 Andreas Schwab <schwab@suse.de>
4601 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4604 2006-05-15 Roger Sayle <roger@eyesopen.com>
4607 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4608 integer constants other than zero are only legitimate on TARGET_64BIT.
4609 <CONST_VECTOR> Only zero vectors are legitimate.
4610 (ix86_cannot_force_const_mem): Integral and vector constants can
4611 always be put in the constant pool.
4613 2006-05-16 DJ Delorie <dj@redhat.com>
4615 * crtstuff.c (__dso_handle): Set section from
4616 TARGET_LBIGCC_SDATA_SECTION if defined.
4617 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4618 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4620 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4623 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4626 2006-05-16 Ben Elliston <bje@au.ibm.com>
4628 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4630 2006-05-15 Per Bothner <per@bothner.com>
4632 * tree.c: (last_annotated_node): Use source_locus typedef.
4633 This permits bootstrapping with --enable-mapped-location.
4635 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4637 PR tree-optimization/26830
4638 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4639 (info_for_ssa_name, current_info_for_ssa_name_age,
4640 blocks_to_update): New variables.
4641 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4642 (clear_ssa_name_info, initialize_flags_in_bb,
4643 mark_block_for_update): New functions.
4644 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4645 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4646 prepare_def_site_for): Use mark_block_for_update.
4647 (mark_def_interesting): Assert that the processed block is marked in
4648 blocks_to_update. Do not take blocks argument.
4649 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4651 (rewrite_update_init_block, rewrite_update_stmt): Only process
4652 blocks with statements to rewrite.
4653 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4654 (update_ssa): Initialize and free blocks_to_update. Do not
4655 clear flags on statements. Do not use blocks bitmap.
4656 * tree.h (SSA_NAME_AUX): Removed.
4657 (struct tree_ssa_name): Removed aux field.
4658 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4660 2006-05-15 Richard Guenther <rguenther@suse.de>
4662 PR tree-optimization/27603
4663 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4664 Do computations in original type.
4666 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4668 * see.c: Code style changes such as redundant paranthesis,
4669 redundant intialization of local variables etc.
4670 (see_main): Declared now as static.
4671 * doc/invoke.texi: Update that -fsee is not enabled by
4674 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4676 * omp-low.c (check_omp_nesting_restrictions): New function.
4677 (scan_omp_1): Call it.
4680 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4681 construct, return *VAR.
4683 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4685 PR rtl-optimization/27406
4686 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4689 2006-05-14 Roger Sayle <roger@eyesopen.com>
4691 PR rtl-optimization/27538
4692 * combine.c (expand_compound_operation): Call gen_lowpart
4693 before calling simplify_shift_const.
4695 2006-05-14 Roger Sayle <roger@eyesopen.com>
4697 PR rtl-optimization/22563
4698 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4699 a fixed width bitfield, always force the intermediates into psuedos.
4701 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4704 * mkconfig.sh: Use operator = instead of == for test.
4706 2006-05-13 Nick Clifton <nickc@redhat.com>
4708 * dwarf2out.c (dbx_reg_number): Check return value from
4709 LEAF_REG_REMAP and only use it if it is valid.
4710 (multiple_reg_loc_descriptor): Likewise.
4712 2006-05-13 Richard Guenther <rguenther@suse.de>
4714 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4717 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4719 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4720 information attached to non-INSNs such as NOTEs.
4721 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4723 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4725 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4727 * config/s390/s390.md: Adjust comment describing On constraint.
4729 2006-05-11 Jan Hubicka <jh@suse.cz>
4731 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4732 to be output at -O0.
4734 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4737 * fold-const.c (size_binop): Move sanity check for arguments to
4738 the beginning of the function.
4741 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4744 2006-05-11 Richard Guenther <rguenther@suse.de>
4747 * fold-const.c (fold_unary): Handle intermediate conversion
4748 to a pointer type like intermediate conversion to an integer
4749 type in folding of (T1)(T2)var to var.
4750 Match the code to the comment in the final conversion for
4751 (T1)(T2)var to (T1)var regarding to type precision. Rather
4752 than disallow T1 being of pointer type, assert that both T1
4753 and var are of pointer type or not. Make sure not to fall
4754 over the frontends lazyness wrt array to pointer decay though.
4756 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4758 * arm.c (arm_struct_value_rtx): Delete.
4759 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4760 (arm_init_cumulative_args): Always initialize nregs to zero.
4762 2006-05-10 Richard Guenther <rguenther@suse.de>
4764 PR tree-optimization/27532
4765 * tree-object-size.c (plus_expr_object_size): Fix typo.
4767 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4770 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4771 ashrdi_const, ashrdi3): Use a scratch register.
4773 2006-05-10 Richard Guenther <rguenther@suse.de>
4775 PR tree-optimization/27302
4776 * fold-const.c (operand_equal_p): For two comparisons,
4777 try comparison of one comparison code swapped if that yields
4780 2006-05-10 Ben Elliston <bje@au.ibm.com>
4782 * tree-pretty-print.c (pretty_print_string): No need to handle
4783 '\0' as a special character.
4785 * tree.h: Include "hashtab.h".
4786 (iterative_hash_expr): Use hashval_t in its prototype.
4787 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4789 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4792 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4793 (hppa*64*-*-hpux11*): Ditto.
4794 (hppa[12]*-*-hpux11*): Ditto.
4796 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4799 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4801 2006-05-09 Michael Matz <matz@suse.de>
4803 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4804 host_extra_gcc_objs and host_xmake_file.
4805 (<*-*-linux*>): Don't overwrite host_xmake_file.
4806 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4807 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4808 (host_detect_local_cpu): Declare.
4809 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4810 * config/i386/i386.c (override_options): Handle -mtune=native
4812 * config/i386/x-i386: New file.
4813 * config/i386/driver-i386.c: New file.
4814 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4817 2006-05-09 Dirk Mueller <dmueller@suse.de>
4818 Richard Guenther <rguenther@suse.de>
4821 * fold-const.c (fold_read_from_constant_string): Relax check
4822 for matching types to matching modes.
4824 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4826 PR rtl-optimization/27335
4827 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4830 2006-05-08 Chao-ying Fu <fu@mips.com>
4831 Richard Sandiford <richard@codesourcery.com>
4833 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4834 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4835 * config/mips/mips.md (UNSPEC_SCC): New constant.
4836 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4837 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4838 (mips_emit_compare): Use it.
4839 (mips_expand_vcondv2sf): New function.
4841 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4843 Fix PR tree-optimization/27093
4844 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4845 renaming when they become not-used_alone.
4847 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4849 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4850 relocation and relocation stubs.
4852 2006-05-08 Eric Christopher <echristo@apple.com>
4854 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4857 2006-05-08 Jan Hubicka <jh@suse.cz>
4860 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4861 unused static functions are needed.
4863 2006-05-08 Roger Sayle <roger@eyesopen.com>
4866 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4867 of a reg_equiv_constant if the result is a legitimate constant.
4869 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4872 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4873 standard 80387 constants, raise the cost to prevent
4874 compress_float_constant() to generate load from memory.
4876 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4878 * config/arm/constraints.md (c): Fix a typo.
4880 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4883 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4886 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4888 (_mm_mwait): Likewise.
4890 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4892 (sse3_monitor): Make it 32bit only.
4893 (sse3_monitor64): New. 64bit monitor.
4895 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4898 * config/i386/i386.c (classify_argument): Skip fields with invalid
4901 2006-05-07 Richard Guenther <rguenther@suse.de>
4903 PR tree-optimization/27409
4904 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4905 Do not try to find zero-sized subvars.
4907 2006-05-07 Richard Guenther <rguenther@suse.de>
4909 PR tree-optimization/27136
4910 * tree-ssa-loop-niter.c (get_val_for): Correct function
4911 comment, assert requirements.
4912 (loop_niter_by_eval): Stop processing if the iterated
4913 value did not simplify.
4915 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4917 * opts.c (flag_see): remove its setting at -O3.
4919 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4921 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4922 * arm/constraints.md: New file.
4923 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4924 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4925 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4926 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4927 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4928 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4929 * arm.md: Include constraints.md.
4930 (thumb_movsi_insn): Use satisfies_constraint_J.
4931 (movhi, movqi): Use satisfies_constraint_I.
4933 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4935 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4936 for atmeg a645 device.
4938 2006-05-06 Richard Guenther <rguenther@suse.de>
4940 PR tree-optimization/27151
4941 * tree-vect-transform.c (vectorizable_condition): Punt on
4942 values that have a different type than the condition.
4944 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4947 * c-parser.c (c_parser_cast_expression): Only insert casts into
4948 hash table if pointer.
4949 * function.c (used_types_insert_helper): Rename from
4951 (used_types_insert): Call used_types_insert_helper.
4952 * function.h (used_types_insert): Accept only one argument.
4954 2006-05-05 David Edelsohn <edesohn@gnu.org>
4956 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4957 scratch with output modifier.
4959 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4962 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4963 with output modifier.
4965 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4968 * config/mips/mips.c (mips_symbolic_address_p): Return true
4969 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4970 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4972 2006-05-04 Richard Guenther <rguenther@suse.de>
4974 PR tree-optimization/14287
4975 PR tree-optimization/14844
4976 PR tree-optimization/19792
4977 PR tree-optimization/21608
4978 PR tree-optimization/27090
4979 * tree-ssa-pre.c (try_combine_conversion): New function.
4980 (compute_avail): After constructing the value-handle
4981 expression, use try_combine_conversion to combine NOP_EXPRs
4982 with previous value-handle expressions and use the result if it
4985 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4987 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4989 2006-05-04 Jan Hubicka <jh@suse.cz>
4992 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
4994 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
4996 * config/bfin/predicates.md (const01_rtx): Tell generator programs
4997 that this only matches CONST_INTs. All users changed to VOIDmode
5000 * config/bfin/bfin.c: Include "optabs.h".
5001 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5003 (enum bfin_builtins): Add a number of fractional and vector builtins.
5004 (bfin_init_builtins): Likewise.
5005 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5006 (safe_vector_operand, bfin_expand_binop_builtin,
5007 bfin_expand_unop_builtin): New functions.
5008 (bfin_expand_builtin): Handle the new builtins.
5009 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5012 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5015 * Makefile.in (OBJS-common): Add see.o.
5016 (see.o): Add dependencies.
5017 * common.opt (fsee): New flag for the see optimization was added.
5018 * opts.c (flag_see): Initialized.
5019 * passes.c (init_optimization_passes, pass_see): New pass.
5020 * rtl.h (see_main): Declaration as extern.
5021 * timevar.def (TV_SEE): New.
5022 * tree-pass.h (pass_see): Declaration as extern.
5023 * invoke.texi (-fsee): Document.
5024 * recog.c (validate_simplify_insn): New function.
5025 * recog.h (validate_simplify_insn): Declaration as extern.
5026 * df-problems.c (df_chain_dump): Check for NULL.
5028 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5029 Daniel Berlin <dberlin@dberlin.org>
5031 * cfgrtl.c (insert_insn_bb_end_new): New function.
5032 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5034 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5036 * df.h (struct web_entry): Moved from web.c.
5037 (union_defs): Declaration as extern.
5038 (unionfind_root): Likewise.
5039 (unionfind_union): Likewise.
5040 * web.c (struct web_entry): Moved to df.h.
5041 (unionfind_root): Remove static declaration.
5042 (unionfind_union): Likewise.
5043 (union_defs): Likewise and generalize to use callback function.
5044 (web_main): Update arguments for union_defs function call.
5046 2006-05-04 Richard Guenther <rguenther@suse.de>
5048 PR tree-optimization/26447
5049 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5050 produce SSA_NAME copies before the store stmt to avoid
5051 breaking exception handling.
5053 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5056 * gimplify.c (omp_is_private): If var is shared in some outer context,
5057 return false instead of true. Stop searching on parallel context
5060 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5063 * coverage.c: Use get_gcov_unsigned_t() instead of
5064 unsigned_type_node all over.
5066 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5068 PR tree-optimization/27381
5069 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5070 maintain the same immediate_use links.
5071 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5072 node rather than segfaulting.
5074 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5077 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5078 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5079 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5081 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5083 Fix PR tree-optimization/26626
5084 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5086 * tree-ssa-operands.c (access_can_touch_variable): Allow
5087 typecasting through union pointers.
5089 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5092 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5093 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5094 to find if var will be a global variable even in the nested context.
5095 (omp_copy_decl): Only check for global variable at the end, it might
5096 be overridden in outer contexts.
5097 (scan_sharing_clauses): For global variables don't create a field.
5098 (lower_rec_input_clauses): Do nothing for global shared variables.
5099 Emit a barrier at the end of ILIST if there were any decls in both
5100 firstprivate and lastprivate clauses.
5101 (lower_send_clauses): Do nothing for global variables except for
5104 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5106 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5107 of the correct signedness is returned.
5109 2006-05-02 Jeff Law <law@redhat.com>
5111 PR tree-optimization/27364
5112 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5113 multiply expressions.
5115 2006-05-02 Tom Tromey <tromey@redhat.com>
5117 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5119 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5122 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5123 -mthumb -fPIC are used.
5125 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5126 Joshua Kinard <kumba@gentoo.org>
5129 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5130 with 64-bit pointers.
5132 2006-05-02 Paul Brook <paul@codesourcery.com>
5134 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5136 (create_fix_barrier): Check that a suitable barrier location is
5138 (arm_reorg): Include ftmp->address in allowable range of addresses.
5140 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5143 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5146 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5149 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5150 around RESULT_DECL for result passed by reference.
5151 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5152 * omp-low.c (use_pointer_for_field): Don't look at
5153 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5154 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5155 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5156 time or var for passing by reference for
5157 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5158 TREE_ADDRESSABLE variables when passing by reference.
5160 * omp-low.c (dump_omp_region): Fix output formatting.
5163 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5164 (expand_omp_parallel): Likewise.
5165 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5168 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5169 on statement list containing also constructors and destructors.
5170 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5173 * except.c (duplicate_eh_regions): Fix clearing of
5174 cfun->eh->region_array entries.
5176 2006-05-01 DJ Delorie <dj@redhat.com>
5178 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5180 (gcc_cv_objdump): Likewise.
5181 * configure: Regenerated.
5183 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5186 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5187 templates for case 3 and 4.
5189 2006-05-01 DJ Delorie <dj@redhat.com>
5191 * vec.c: Include bconfig.h when appropriate.
5192 * Makefile.in (build/vec.o): Adjust dependencies.
5193 * mkconfig.sh: Make sure config.h isn't used for build machine
5196 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5198 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5200 (mark_phi_for_rewrite): New function.
5201 (insert_phi_nodes_for, mark_use_interesting): Call
5202 mark_phi_for_rewrite.
5203 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5204 (update_ssa): Initialize and free phis_to_rewrite.
5206 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5208 PR rtl-optimization/27291
5209 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5210 folded to a constant.
5212 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5214 PR tree-optimization/27283
5215 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5216 not whole # of iteration descriptions.
5217 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5218 uses abnormal ssa name.
5219 (niter_for_single_dom_exit): Ditto.
5220 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5221 return just the number of iterations.
5223 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5225 PR tree-optimization/27144
5226 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5227 (record_estimate): Only record constant upper bound.
5228 (infer_loop_bounds_from_undefined): Call
5229 compute_estimated_nb_iterations just once.
5230 (proved_non_wrapping_p): Renamed to ...
5231 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5232 (convert_step_widening, scev_probably_wraps_p): Call
5233 n_of_executions_at_most instead of proved_non_wrapping_p.
5234 (substitute_in_loop_info): Do not replace values in bounds.
5235 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5238 2006-05-01 Richard Henderson <rth@redhat.com>
5241 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5242 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5245 2006-05-01 Roger Sayle <roger@eyesopen.com>
5247 * c-typeck.c (parser_build_binary_op): Don't call the function
5248 unsigned_conversion_warning to spot operand/result type overflow.
5249 (build_binary_op): Instead, call convert_and_check instead of
5250 convert to report the problem when the operands are promoted.
5251 * c-common.c (unsigned_conversion_warning): Make static.
5252 * c-common.h (unsigned_conversion_warning): Delete prototype.
5254 2006-05-01 Richard Guenther <rguenther@suse.de>
5256 PR tree-optimization/26726
5257 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5259 (find_interesting_uses_address): ... we work around here
5260 by folding INDIRECT_REFs in the substituted base.
5262 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5264 * omp-low.c (dump_omp_region): Add newlines.
5266 2006-04-30 Roger Sayle <roger@eyesopen.com>
5268 * common.opt (Woverflow): New command line option.
5269 * c-common.c (constant_expression_warning): Check warn_overflow.
5270 (overflow_waring): Pass OPT_Woverflow to warning.
5271 (unsigned_conversion_warning): Likewise.
5272 (convert_and_check): Likewise.
5273 * doc/invoke.texi: Document new command line option.
5275 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5277 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5278 TARGET_NO_FP_IN_TOC for section anchors.
5279 (optimization_options): Enable section anchors for all
5280 non-"Objective" languages.
5282 2006-04-28 Eric Christopher <echristo@apple.com>
5284 * config/darwin-c.c (darwin_ms_struct): Move this
5285 (darwin_set_default_type_attributes): and this...
5286 * config/darwin.c: ... here.
5287 * config/darwin.h (darwin_ms_struct): Declare.
5289 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5291 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5293 2006-04-28 Roger Sayle <roger@eyesopen.com>
5296 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5297 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5298 an unsigned HOST_WIDE_INT.
5299 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5301 (really_start_incremental_init): No need to call convert because
5302 bitsize_zero_node is already of type bitsizetype.
5303 (push_init_level): Extract the value of constructor_index as an
5304 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5305 (process_init_element): Likewise.
5307 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5309 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5310 value before passing to make_relative_prefix.
5312 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5315 * builtins.c (expand_builtin_memset): Expand val in original mode.
5317 2006-04-27 Eric Christopher <echristo@apple.com>
5319 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5320 with #ifndef/#endif.
5321 * config/darwin-c.c (darwin_ms_struct): New.
5322 (darwin_pragma_ms_struct): Ditto.
5323 (darwin_set_default_type_attributes): Ditto.
5324 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5325 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5326 Register ms_struct pragma.
5327 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5328 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5329 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5330 darwin_set_default_type_attributes if TARGET_MACHO.
5332 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5334 PR tree-optimization/26854
5335 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5336 * doc/tree-ssa.texi: Update immuse iterator documentation.
5337 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5338 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5339 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5340 first_safe_imm_use, next_safe_imm_use): Remove.
5341 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5342 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5343 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5344 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5345 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5346 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5347 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5348 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5349 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5350 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5351 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5352 (perfect_nestify): Use new iterator.
5353 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5355 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5356 (next_imm_name): New field in struct immediate_use_iterator_d.
5357 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5358 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5359 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5360 * tree-cfg.c (replace_uses_by): Use new iterator.
5361 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5362 * tree-ssa-operands.c (correct_use_link): Remove.
5363 (finalize_ssa_use_ops): No longer call correct_use_link.
5365 2006-04-27 Stuart Hastings <stuart@apple.com>
5367 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5368 * config/t-darwin (crt3.o): Use it.
5369 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5370 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5371 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5372 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5373 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5376 2006-04-27 Roger Sayle <roger@eyesopen.com>
5378 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5379 size, force the intermediate into a new pseudo rather instead of
5380 performing both a bitwise AND and a bitwise IOR in memory.
5382 2006-04-27 Richard Guenther <rguenther@suse.de>
5384 PR rtl-optimization/26685
5385 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5386 this one "max-flow-memory-locations".
5388 2006-04-27 Richard Guenther <rguenther@suse.de>
5390 PR tree-optimization/25148
5391 * tree-vrp.c (compare_values): Remove code dealing with
5392 comparisons against type min/max value. Honour overflow
5393 and negative constants in code dealing with comparisons
5394 of plus and minus expressions.
5395 (value_inside_range): Use fold_binary with LE_EXPR and
5396 GE_EXPR rather than compare_values.
5398 2006-04-27 Dirk Mueller <dmueller@suse.de>
5400 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5403 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5405 * basic-block.h (safe_insert_insn_on_edge): Removed.
5406 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5408 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5409 Paolo Bonzini <bonzini@gnu.org>
5412 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5413 (simplify_and_const_int): Same.
5415 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5417 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5419 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5422 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5423 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5424 cgraph_global_info_ready.
5427 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5430 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5431 either decl or init is error_mark_node.
5434 * tree-flow.h (struct omp_region): Add sched_kind.
5435 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5436 instead of extracting omp for data.
5437 (expand_omp_for): Save extracted sched_kind.
5439 2006-04-25 Roger Sayle <roger@eyesopen.com>
5441 * expmed.c (store_bit_field): Also check whether the bitsize is
5442 valid for the machine's "insv" instruction before moving the
5443 target into a pseudo for use with the insv.
5444 * config/i386/predicates.md (const8_operand): New predicate.
5445 * config/i386/i386.md (extv, extzv, insv): Use the new
5446 const8_operand predicate where appropriate.
5448 2006-04-25 DJ Delorie <dj@redhat.com>
5450 * doc/install.texi (Specific): Clarify that this is not a list of
5451 supported hosts or targets.
5453 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5455 PR rtl-optimization/26725
5456 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5457 block's BB_DIRTY flag.
5459 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5461 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5464 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5465 to print an integer.
5467 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5469 * varasm.c (align_variable): New function.
5470 (get_block_for_decl): Apply align_variable to DECL before
5471 calculating section information.
5472 (assemble_variable): Split out alignment computation.
5474 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5476 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5479 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5481 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5482 MODE_PARTIAL_INT mode.
5483 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5484 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5486 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5487 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5489 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5491 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5493 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5494 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5495 MACFLAG_IH): Likewise.
5496 (movstricthi_1): Renamed from "*movstricthi".
5497 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5498 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5499 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5500 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5501 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5502 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5503 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5504 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5505 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5506 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5507 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5508 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5509 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5510 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5511 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5513 * doc/rtl.texi (ss_ashift): Improve wording.
5515 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5517 * dwarf2out.c (verify_marks_clear): New.
5518 (prune_unused_types): Call verify_marks_clear initially, not
5521 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5523 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5524 * doc/rtl.texi: Document them.
5525 * simplify-rtx.c (simplify_unary_operation,
5526 simplify_binary_operation_1): Don't abort when we see them.
5528 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5531 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5532 * configure.ac: Completely disregard languages that are not
5534 * configure: Regenerated.
5536 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5537 Richard Guenther <rguenther@suse.de>
5539 PR tree-optimization/27236
5540 * tree-inline.c (copy_body_r): Make sure to copy
5541 TREE_THIS_VOLATILE flag.
5543 2006-04-24 Richard Guenther <rguenther@suse.de>
5546 * tree-complex.c (update_parameter_components): Don't handle
5547 unused parameters which have no default def.
5549 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5550 Richard Guenther <rguenther@suse.de>
5552 PR tree-optimization/27218
5553 * tree-inline.c (expand_call_inline): Strip useless type
5554 conversions for the return slot address.
5556 2006-04-24 Richard Guenther <rguenther@suse.de>
5558 * cfgloop.h (struct loops): Remove unused field array. Reorder
5560 (LOOP_PREFETCH): Remove.
5562 2006-04-24 Richard Guenther <rguenther@suse.de>
5564 PR tree-optimization/22525
5565 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5566 variable, adjust types of generated expressions.
5568 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5570 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5571 (tree-vect-patterns.o): Likewise.
5573 (cselib.o): Likewise.
5574 (loop-doloop.o): Likewise.
5575 (regclass.o): Likewise.
5576 (reload1.o): Likewise.
5577 (explow.o): Replace target.h with $(TARGET_H).
5578 (ipa-prop.o): Likewise.
5579 (ipa-cp.o): Likewise.
5580 (ipa-inline.o): Likewise.
5581 (reorg.o): Likewise.
5582 (reg-stack.o): Likewise.
5584 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5586 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5588 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5590 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5592 * configure.ac: Completely disregard languages that are not
5594 * configure: Regenerated.
5597 * c-common.h (c_build_bitfield_integer_type): Declare.
5598 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5599 * c-common.c (c_build_bitfield_integer_type): ... here.
5601 2006-04-23 Roger Sayle <roger@eyesopen.com>
5604 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5605 a SImode SUBREG of a floating point register after no_new_pseudos.
5607 2006-04-23 Roger Sayle <roger@eyesopen.com>
5609 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5610 identify potentially eliminable registers to additionally catch
5611 VIRTUAL_INCOMING_ARGS_REGNUM.
5612 (addsi3): Update the conditions on when to use addsi_small_int.
5614 2006-04-23 Roger Sayle <roger@eyesopen.com>
5617 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5618 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5619 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5621 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5623 * fold-const.c (range_predecessor): Use operand_equal_p
5624 as the predicate for equality.
5625 (range_successor): Likewise.
5627 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5630 * config/soft-fp/op-common.h: Fix a typo.
5632 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5635 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5636 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5638 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5640 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5642 * doc/tm.texi: Fix a typo.
5644 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5646 * dwarf2out.c (struct die_struct): Document that die_sib makes
5647 a circular linked list.
5648 (FOR_EACH_CHILD): New.
5649 (reverse_die_lists): Delete.
5650 (reverse_all_dies): Delete.
5651 (add_dwarf_attr): Correct documentation.
5652 (remove_child_with_prev): New.
5653 (remove_child_TAG): Update for change to die_struct, use
5654 remove_child_with_prev.
5655 (add_child_die): Update for change to die_struct.
5656 (splice_child_die): Use remove_child_with_prev and add_child_die.
5657 (print_die): Use FOR_EACH_CHILD.
5658 (die_checksum): Likewise.
5659 (assign_symbol_names): Likewise.
5660 (output_location_lists): Likewise.
5661 (build_abbrev_table): Likewise.
5662 (calc_die_sizes): Likewise.
5663 (mark_dies): Likewise.
5664 (unmark_dies): Likewise.
5665 (unmark_all_dies): Likewise.
5666 (output_die): Likewise.
5667 (prune_unused_types_mark): Likewise.
5668 (prune_unused_types_walk): Likewise.
5669 (same_die_p): Update for change to die_struct.
5670 (break_out_includes): Likewise.
5671 (prune_unused_types_prune): Likewise.
5672 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5673 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5675 (dwarf2out_finish): Don't call reverse_all_dies.
5677 2006-04-21 Eric Christopher <echristo@apple.com>
5679 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5680 in comments and function names.
5682 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5685 * c-typeck.c (digest_init): Robustify.
5687 * c-typeck.c (pop_init_level): Simplify.
5689 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5691 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5693 2006-04-21 Paul Brook <paul@codesourcery.com>
5695 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5696 hardware floating point.
5698 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5700 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5703 2006-04-21 Nick Clifton <nickc@redhat.com>
5705 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5708 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5711 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5712 C++ lang type in traceback table for Objective-C++.
5714 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5716 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5718 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5720 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5723 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5724 were errors. Remove check for erroneous objects.
5726 2006-04-20 Jeff Law <law@redhat.com>
5728 PR tree-optimization/26854
5729 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5730 checking for zero or one use.
5731 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5732 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5733 * tree-ssa-reassoc.c (negate_value): Similarly.
5734 (reassociate_bb): Similarly.
5736 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5738 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5739 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5740 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5742 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5744 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5745 fp regs if the last fp arg doesn't fit in regs.
5747 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5750 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5751 that the last insn has the REG_INC note.
5753 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5754 Nathan Sidwell <nathan@codesourcery.com>
5757 * stor-layout.c (update_alignment_for_field): Do not align
5759 (place_union_field): Place union field at the start of the union.
5760 (place_field): Move ERROR_MARK check later, and use the current
5761 allocation position to maintain monotonicity.
5763 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5765 * dominance.c: Include timevar.h.
5766 (calculate_dominance_info): Use TV_DOMINANCE.
5767 * timevar.def (TV_DOMINANCE): New timevar.
5768 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5770 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5772 PR rtl-optimization/14261
5773 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5774 move would be an INSV insn.
5775 (noce_process_if_block): Don't optimize if the destination is a
5776 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5778 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5780 * config/s390/s390.md: Add comments with the instructions emitted
5781 by an insn pattern if macros are used.
5783 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5785 PR rtl-optimization/26026
5786 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5787 is a known power of two shifted left a variable amount.
5789 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5791 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5792 to hash table twice when the debug_str section has SECTION_MERGE.
5794 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5796 * config/soft-fp: New directory. From glibc.
5797 * config/soft-fp/t-softfp: New.
5798 * config/soft-fp/README: New.
5799 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5800 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5801 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5802 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5803 * config.gcc: Use rs6000/t-fprules-fpbit or
5804 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5806 * config/rs6000/sfp-machine.h: New. Based on glibc.
5807 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5809 * config/rs6000/t-fprules: Remove fp-bit rules.
5810 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5811 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5812 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5813 (softfp_wrap_start, softfp_wrap_end): New.
5815 2006-04-18 DJ Delorie <dj@redhat.com>
5817 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5819 2006-04-18 Devang Patel <dpatel@apple.com>
5821 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5823 2006-04-18 Nick Clifton <nickc@redhat.com>
5825 * config/sh/t-symbian: Add rule to build sh-c.o
5826 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5827 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5828 (sh_symbian_encode_section_info): Likewise.
5830 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5832 * builtins.c (expand_builtin_strcmp): Cover label definition of
5833 do_libcall with HAVE_cmpstrnsi.
5835 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5837 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5839 * function.h (temp_slot_p): New.
5840 (function): Change the type of x_used_temp_slots to
5841 VEC(temp_slot_p,gc) *.
5843 2006-04-18 Nick Clifton <nickc@redhat.com>
5845 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5846 flag_strength_reduce.
5848 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5850 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5854 Partial revert of revision 112637
5855 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5856 Dale Johannesen <dalej@apple.com>
5859 * regclass.c (struct reg_pref): Update documentation.
5860 (regclass): Set prefclass to NO_REGS if memory is the best option.
5861 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5863 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5865 PR tree-optimization/26821
5866 * tree-ssa-math-opts.c (get_constant_one): New.
5867 (insert_reciprocals): Use it.
5869 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5871 * dwarf2out.c (free_AT): Delete.
5872 (remove_AT): Update string ref counts.
5873 (remove_child_TAG): Don't call free_die.
5875 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5876 or DW_TAG_GNU_EINCL.
5877 (prune_unused_types_walk_attribs): Reset string refcounts.
5878 (prune_unused_types_update_strings): New.
5879 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5880 call free_die. Do call prune_unused_types_update_strings.
5881 (prune_unused_types): Empty debug_str_hash.
5883 2006-04-17 Roger Sayle <roger@eyesopen.com>
5885 * expr.c (expand_assignment): Optimize away no-op moves where the
5886 source and destination are equal and have no side-effects.
5888 2006-04-17 Richard Guenther <rguenther@suse.de>
5891 * reload.c (push_reload): Guard calls to get_secondary_mem
5894 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5896 * alias.c (reg_base_value, old_reg_base_value): Change the
5897 type to VEC(rtx,gc) *.
5898 (REG_BASE_VALUE, find_base_value, record_set,
5899 init_alias_analysis): Use VEC instead of VARRAY.
5901 * alias.c (alias_sets): Change the type to
5902 VEC(alias_set_entry,gc) *.
5903 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5904 VEC instead of VARRAY.
5905 (last_alias_set): Remove.
5907 * cgraph.h (cgraph_edge_p): New.
5908 Update the prototype of cgraph_function_versioning.
5909 * cgraphunit.c (cgraph_copy_node_for_versioning,
5910 cgraph_function_versioning): Use VEC instead of VARRAY.
5911 * ipa-cp.c (ipcp_insert_stage): Likewise.
5913 2006-04-16 Roger Sayle <roger@eyesopen.com>
5916 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5917 "A op B" or "A op C", we may need to convert A to the type of B and C.
5919 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5921 * target.h (struct gcc_target): Add mode_rep_extended.
5922 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5923 (init_num_sign_bit_copies_in_rep): Initialize it using
5925 (truncate_to_mode): Use it.
5926 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5927 * targhooks.h (default_mode_rep_extended): Declare it.
5928 * targhooks.c (default_mode_rep_extended): Define it.
5929 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5930 default_mode_rep_extended.
5931 (TARGET_INITIALIZER): Include it.
5932 * doc/tm.texi (Misc): Document it.
5933 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5934 (mips_truncated_to_mode): New function.
5936 2006-04-16 Roger Sayle <roger@eyesopen.com>
5939 * expr.c (compress_float_constant): Copy the narrow constant into
5940 a new pseudo before extending it to its final width.
5942 2006-04-16 Roger Sayle <roger@eyesopen.com>
5943 Andrew Pinski <pinskia@gcc.gnu.org>
5944 Dale Johannesen <dalej@apple.com>
5947 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5948 special case code to implement V8HImode and V16QImode with SSE2.
5950 2006-04-15 Roger Sayle <roger@eyesopen.com>
5952 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5953 trees are constructed with a suitable tree type.
5955 2006-04-15 Roger Sayle <roger@eyesopen.com>
5957 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5958 (integer_onep): Likewise.
5959 (integer_all_onesp): Likewise.
5960 (integer_pow2p): Likewise.
5961 (integer_nonzerop): Likewise.
5962 (real_zerop): Likewise.
5963 (real_onep): Likewise.
5964 (real_twop): Likewise.
5965 (real_minus_onep): Likewise.
5966 (int_size_in_bytes): Likewise.
5967 (host_integerp): Likewise.
5969 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5971 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5972 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5973 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5975 * tree-ssa-structalias.h (alias_info): Remove num_references.
5977 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5979 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5980 (output_bvb patterns): Likewise.
5981 * pa.c (output_bb): Use 'bb' insn for long branch case.
5982 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5983 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5984 1. Correct length operand for alternatives 1 and 2.
5985 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5986 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5988 2006-04-14 Roger Sayle <roger@eyesopen.com>
5990 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5991 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5992 were accidentally reverted by r112959.
5994 2006-04-15 Jakub Jelinek <jakub@redhat.com>
5997 * except.h (eh_region_outermost): New prototype.
5998 * except.c (eh_region_outermost): New function.
5999 * tree-cfg.c (find_outermost_region_in_block): Use it.
6001 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6003 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6005 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6006 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6007 (init_reload, reload): Use VEC instead of VARRAY.
6008 * reload.h: Update the prototype for
6009 reg_equiv_memory_loc_varray.
6011 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6012 Eric Botcazou <ebotcazou@libertysurf.fr>
6014 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6017 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6020 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6021 to expand fallback builtin function call.
6023 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6026 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6027 and emit libcall here in case the builtin fails.
6028 (expand_builtin_strcmp): Always emit the libcall here on failure.
6030 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6032 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6033 * flow.c (reg_n_info): Change the type to
6034 VEC(reg_info_p,heap) *.
6035 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6037 * regs.h (reg_info_p): New.
6038 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6039 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6040 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6043 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6045 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6047 * params.h (MAX_SCHED_READY_INSNS): New macro.
6048 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6049 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6050 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6051 the ready list for 1 cycle during the first scheduling pass.
6052 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6054 2006-04-13 Richard Henderson <rth@redhat.com>
6057 * gimple-low.c (lower_omp_directive): Remove dead code.
6058 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6059 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6060 * omp-low.c (struct omp_region): Move to tree-flow.h.
6061 (root_omp_region): Export.
6062 (omp_regions, lookup_omp_region): Remove.
6063 (determine_parallel_type): Update for struct omp_region changes.
6064 (dump_omp_region): Dump regions with block numbers.
6065 (new_omp_region): Take type and block instead of stmt; malloc
6067 (free_omp_region_1, free_omp_regions): New.
6068 (expand_parallel_call): Take entry_stmt as argument; update for
6069 changes to omp_region.
6070 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6071 (remove_exit_barriers): New.
6072 (expand_omp_parallel): Update for struct omp_region changes.
6073 (expand_omp_synch): Likewise.
6074 (expand_omp): Likewise.
6075 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6076 (expand_omp_for_static_chunk): Likewise.
6077 (expand_omp_for): Likewise.
6078 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6079 (expand_omp_sections): Similarly, with GOMP_sections_end.
6080 (expand_omp_single): New.
6081 (build_omp_regions_1): Update for OMP_CONTINUE.
6082 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6083 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6084 OMP_SECTIONS_SECTIONS.
6085 (lower_omp_single_simple): Don't emit barrier here.
6086 (lower_omp_single_copy): Likewise.
6087 (lower_omp_single): Fix bindings, and lower to straightline now.
6088 (lower_omp_master, lower_omp_ordered): Likewise.
6089 (lower_omp_critical): Likewise.
6090 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6091 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6092 omp edges, free it afterward.
6093 (make_omp_sections_edges): Remove.
6094 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6095 (move_stmt_r): Handle OMP_CONTINUE.
6096 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6097 statement pointers to basic blocks. Add type member.
6098 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6099 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6100 * tree-inline.c (estimate_num_insns_1): Likewise.
6101 * tree-pretty-print.c (dump_generic_node): Likewise.
6102 * tree-ssa-operands.c (get_expr_operands): Likewise.
6103 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6104 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6105 (OMP_CONTINUE): New.
6106 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6107 (OMP_SECTIONS_SECTIONS): Remove.
6108 (OMP_SECTION_LAST): New.
6109 (OMP_RETURN_NOWAIT): New.
6111 2006-04-13 Roger Sayle <roger@eyesopen.com>
6113 * fold-const.c (native_encode_vector, native_interpret_real):
6114 Correct obvious mistakes in the previous check-in.
6116 2006-04-13 Roger Sayle <roger@eyesopen.com>
6118 * fold-const.c (native_encode_expr): New function to encode
6119 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6120 or VECTOR_CST into a specified buffer.
6121 (native_encode_int): New function.
6122 (native_encode_real): New function.
6123 (native_encode_complex): New function.
6124 (native_encode_vector): New function.
6125 (native_interpret_expr): Inverse of native_encode_expr to convert
6126 a target representation into an INTEGER_CST, REAL_CST etc...
6127 (native_interpret_int): New function.
6128 (native_interpret_real): New function.
6129 (native_interpret_complex): New function.
6130 (native_interpret_vector): New function.
6131 (fold_view_convert_expr): New function to constant fold/evaluate
6132 a VIEW_CONVERT_EXPR of a suitable constant expression.
6133 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6134 Change call of build1 to fold_build1 when constructing a
6137 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6138 Ulrich Weigand <uweigand@de.ibm.com>
6141 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6144 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6147 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6148 optimize to lo_sum for DFmode if !TARGET_FPRS.
6150 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6152 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6153 delete_alias_info, compute_flow_sensitive_aliasing,
6154 group_aliases): Use VEC instead of VARRAY.
6155 * tree-ssa-structalias.c (update_alias_info): Likewise.
6156 * tree-ssa-structalias.h (alias_info): Change the type of
6157 processed_ptrs to VEC(tree,heap) *.
6159 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6162 * config/sh/lib1funcs.h: New file, broken out of:
6163 * config/sh/lib1funcs.asm.
6164 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6166 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6167 * config/sh/lib1funcs-Os-4-200.asm: New file.
6168 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6169 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6170 (EXTRA_MULTILIB_PARTS): Include it.
6171 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6172 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6173 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6174 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6177 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6179 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6180 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6181 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6183 * tree-ssa-live.h: Include vecprim.h.
6184 (tree_partition_associator_d): Change the type of
6185 first_partition to VEC(int,heap) *.
6186 (tpa_first_partition): Use VEC instead of VARRAY.
6188 * Makefile.in (GTFILES): Move functions.h after tree.h.
6189 * function.c (reset_block_changes, record_block_change,
6190 check_block_change, free_block_changes): Use VEC instead of
6192 * function.h (function): Change the type of
6193 ib_boundaries_block to VEC(tree,gc) *.
6194 * tree-inline.c (copy_cfg_body): Initialize
6195 ib_boundaries_block to NULL instead of (varray_type) 0.
6197 2006-04-12 Roger Sayle <roger@eyesopen.com>
6199 * expr.c (emit_group_store): Correct operand order in call to
6200 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6201 a SUBREG_BYTE of zero.
6203 2006-04-12 Richard Guenther <rguenther@suse.de>
6205 * profile.c (compute_branch_probabilities): Remove code
6206 encapsulated in !ir_type (), which are remanents of the
6207 removed RTL profiling code.
6208 * rtl-profile.c: Remove.
6210 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6212 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6213 magic NULL_RTX comment.
6214 (function_arg): Store entire fp arg to mem if any part should go
6216 (rs6000_arg_partial_bytes): Adjust for above change.
6218 2006-04-11 Roger Sayle <roger@eyesopen.com>
6220 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6221 if it hasn't been initialized by dwarf2out_init.
6223 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6225 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6226 symbolic constants in branch patterns.
6228 2006-04-11 Roger Sayle <roger@eyesopen.com>
6230 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6232 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6234 PR rtl-optimization/27073
6235 * gcse.c (try_replace_reg): Revert last change. Continue to search
6236 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6239 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6241 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6242 aggregate types other than record and union types.
6243 (function_arg): Likewise.
6244 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6246 (function_value): In 64-bit mode, return objects that require it
6249 2006-04-11 Roger Sayle <roger@eyesopen.com>
6251 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6253 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6255 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6257 2006-04-03 Jeff Law <law@redhat.com>
6260 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6261 alias information too.
6263 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6265 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6267 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6270 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6271 (premark_used_types_helper): New.
6272 (premark_used_types): New.
6273 (gen_subprogram_die): Call premark_used_types.
6274 (prune_unused_types_walk): Do not prune perennial dies.
6275 * function.c (used_types_insert): New.
6276 * function.h (struct function): Add used_types_hash field.
6277 (used_types_insert): Add prototype.
6278 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6279 * c-parser.c (c_parser_cast_expression): Save casted types in used
6282 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6285 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6286 rs6000_explicit_options.float_gprs.
6288 2006-04-10 Roger Sayle <roger@eyesopen.com>
6290 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6291 from ix86_expand_vector_init_low_nonzero. Take an additional
6292 one_var argument indicating which element is non-zero. Support
6293 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6294 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6295 with one_var instead of ix86_expand_vector_init_low_nonzero.
6297 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6299 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6300 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6301 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6302 build/genextract.o): Depend on vecprim.h.
6303 * cfglayout.c, df-problems.c, function.c, genextract.c,
6304 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6305 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6309 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6311 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6312 Declare VECs of this type.
6313 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6314 (remove_children): Delete.
6315 (add_dwarf_attr): Use VEC routines.
6316 (add_AT_flag): Update for changes to add_dwarf_attr.
6317 (add_AT_int): Likewise.
6318 (add_AT_unsigned): Likewise.
6319 (add_AT_long_long): Likewise.
6320 (add_AT_vec): Likewise.
6321 (add_AT_string): Likewise.
6322 (add_AT_die_ref): Likewise.
6323 (add_AT_fde_ref): Likewise.
6324 (add_AT_loc): Likewise.
6325 (add_AT_loc_list): Likewise.
6326 (add_AT_addr): Likewise.
6327 (add_AT_lbl_id): Likewise.
6328 (add_AT_lineptr): Likewise.
6329 (add_AT_macptr): Likewise.
6330 (add_AT_offset): Likewise.
6331 (add_AT_range_list): Likewise.
6332 (get_AT): Use VEC_iterate.
6333 (remove_AT): Use VEC_ordered_remove.
6334 (free_die): Fold remove_children into here; have it use VEC_iterate.
6335 (print_die): Use VEC_iterate on attrs.
6336 (reverse_die_lists): Don't reverse attr lists.
6337 (die_checksum): Use VEC_iterate on attrs.
6338 (same_die_p): Likewise.
6339 (output_location_lists): Likewise.
6340 (build_abbrev_table): Likewise.
6341 (size_of_die): Likewise.
6342 (unmark_all_dies): Likewise.
6343 (output_abbrev_section): Likewise.
6344 (output_die): Likewise.
6345 (prune_unused_types_walk_attribs): Likewise.
6347 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6349 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6351 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6354 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6356 2006-04-09 Roger Sayle <roger@eyesopen.com>
6358 * expr.c (store_constructor): Don't bother clearing target if
6359 we're about to assign a vector to it using vec_init_optab.
6361 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6363 * tree-ssa-alias.c (lhs_may_store_to): New function.
6364 (recalculate_used_alone): Handle LHS of calls.
6366 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6370 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6371 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6372 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6373 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6374 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6375 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6376 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6377 stubs. Add ".align 8" directives before all ".dword" directives.
6378 (GTHREAD_USE_WEAK): Revise comment.
6379 (TARGET_ATTRIBUTE_WEAK): Define.
6380 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6381 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6382 * stublib.c: New file.
6387 * pa.md (cbranch patterns): Revise arguments used in calls to
6388 output_cbranch, output_bb and output_bvd. Add long branch length
6390 (fbranch patterns): Handle long branches.
6391 (jump): Revise length check. Revise arguments for output_lbranch call.
6392 Add long branch length attributes.
6393 (decrement_and_branch_until_zero): Add long branch length attributes.
6394 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6395 Likewise. Revise arguments for output_parallel_addb and
6396 output_parallel_movb calls.
6397 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6398 output_parallel_movb and output_parallel_addb): Update prototypes.
6399 * pa.c (output_cbranch): Revise arguments. Correct handling of
6400 nullification in long branches.
6401 (output_lbranch): Add new argument to control extraction of delay
6403 (output_bb): Handle long branches.
6404 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6405 output_parallel_addb): Likewise.
6407 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6409 PR rtl-optimization/27073
6410 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6413 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6415 * tree.h (tree_memory_tag): Add old_used_alone.
6416 (SMT_OLD_USED_ALONE): New macro.
6417 * tree-ssa-alias.c (recalculate_used_alone): Stop
6418 marking things for renaming unnecessarily.
6420 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6422 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6423 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6424 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6425 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6426 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6427 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6428 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6429 spelling convensions.
6430 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6431 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6432 typos. Follow spelling conventions.
6434 2006-04-07 DJ Delorie <dj@redhat.com>
6436 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6437 passed on the stack.
6438 (m32c_init_cumulative_args): When a function returns a structure,
6439 always pass the pointer to that return area on the stack.
6440 (m32c_function_arg_advance): Don't increment the parameter number
6441 if we're processing the returned structure pointer.
6442 (pushm_info): Reverse order of registers.
6444 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6446 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6447 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6448 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6449 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6451 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6452 chrec_fold_multiply): Same.
6453 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6454 force_expr_to_var_cost): Same.
6455 * tree-mudflap.c (mf_xform_derefs_1): Same.
6456 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6458 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6460 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6461 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6464 2006-04-07 Jan Hubicka <jh@suse.cz>
6466 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6468 2006-04-07 Richard Guenther <rguenther@suse.de>
6470 PR tree-optimization/26135
6471 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6472 loads for store copy-prop.
6473 (copy_prop_visit_stmt): Likewise.
6475 2006-04-05 Robert Millan <robertmh@gnu.org>
6477 * config/i386/linux.h: Add a comment to mark macros that are
6478 being overriden in config/k*bsd-gnu.h.
6479 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6481 * config/knetbsd-gnu.h: Ditto.
6483 2006-04-06 Jan Hubicka <jh@suse.cz>
6487 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6490 2006-04-06 Mike Stump <mrs@apple.com>
6492 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6493 for HAVE_nonlocal_goto to be consistent.
6494 (expand_builtin_nonlocal_goto): Likewise.
6495 (expand_builtin_strcmp): Use #ifdef instead of #if
6496 for HAVE_cmpstrnsi to be consistent.
6498 2006-04-05 DJ Delorie <dj@redhat.com>
6500 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6503 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6505 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6506 got-relative addressing for anything but SImode.
6508 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6509 even if the calling function doesn't modify them.
6511 2006-04-05 Richard Guenther <rguenther@suse.de>
6513 PR tree-optimization/26919
6514 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6515 to cgraph_estimate_size_after_inlining.
6517 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6519 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6521 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6523 PR tree-optimization/26996
6524 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6525 VECTOR_TYPE variables.
6527 2006-04-05 Richard Guenther <rguenther@suse.de>
6529 PR tree-optimization/26763
6530 * fold-const.c (fold_comparison): Move folding of
6531 PTR + CST CMP PTR + CST ...
6532 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6534 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6536 * doc/install.texi (Prerequisites): Refine some wording on
6537 bootstrapping and ksh.
6538 Move the version numbers of DejaGnu here from the testing section
6539 and fix casing of names.
6540 Fix markup and clarify wording for autogen requirements.
6541 Refer to GCJ instead of just java.
6542 Refer to SVN instead of CVS.
6543 Describe diffutils as useful instead of necessary.
6544 (Downloading the source): Refer to SVN instead of CVS.
6545 Adjust a link to our web site accordingly.
6546 (Configuration): Fix casing of Bison.
6547 (Building): Refer to SVN instead of CVS.
6548 Fix a sentence on the use of Bison and remove duplicate (and
6549 incorrect) version number of Bison requirement.
6550 Remove one redundant list of packages needed for building.
6551 (Specific): Avoid reference to CVS.
6553 2006-04-04 Eric Christopher <echristo@apple.com>
6555 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6556 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6557 (rs6000_handle_struct_attribute): New.
6558 (rs6000_ms_bitfield_layout_p): Ditto.
6560 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6562 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6563 NULL for dso parameter to atexit_common.
6565 2006-04-04 Eric Christopher <echristo@apple.com>
6567 * config/i386/i386.c (machopic_output_stub): Output \t
6568 between instructions and operands.
6570 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6572 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6573 satisfies_constraint_[IL] to explicit tests on value.
6575 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6577 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6578 set_nb_iterations_in_loop): Use build_int_cst instead of
6580 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6581 build_int_cst instead of convert.
6583 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6585 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6586 new value 2 for incoming.
6587 * function.c (expand_function_start): Call struct_value_rtx
6589 * config/sparc/sparc.md: Comment updated_return.
6590 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6591 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6592 struct return if sparc_std_struct_return and incoming is 2.
6593 (print_operand): Do not adjust return if
6594 sparc_std_struct_return.
6596 2006-04-04 Roger Sayle <roger@eyesopen.com>
6598 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6599 convert in the middle-end.
6600 * expr.c (store_expr, store_constructor, get_inner_reference,
6601 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6603 * tree.c (build_range_type): Likewise.
6605 2006-04-04 Tom Tromey <tromey@redhat.com>
6607 * doc/install.texi (Prerequisites): Mention jar.
6609 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6611 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6614 2006-04-04 Matthias Klose <doko@debian.org>
6616 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6620 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6623 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6625 * doc/extend.texi (Function Attributes): Rewrite visibility
6626 attribute documentation.
6627 * doc/invoke.texi (C++ Dialect Options): Rewrite
6628 -fvisibility-inlines-hidden documentation to describe something
6629 entirely different, although in practise compatible.
6630 (Code Gen Options): Warn about system headers in -fvisibility=
6633 * doc/extend.texi (Other Builtins): Document that
6634 __builtin_nan is a compile-time constant only when its argument
6637 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6639 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6640 trying to remove TRUNCATE check if all bits outside the new mode
6641 are identical to the sign bit.
6643 2006-04-03 Jeff Law <law@redhat.com>
6645 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6646 and operand scanning in some common cases.
6648 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6649 Dale Johannesen <dalej@apple.com>
6652 * regclass.c (struct reg_pref): Update documentation.
6653 (regclass): Set prefclass to NO_REGS if memory is the best option.
6654 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6655 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6656 into account. For non-registers, equate an empty preferred
6657 reload class to a `!' in the constraint; move the if clause to
6658 do so after those that reject the insn.
6659 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6661 (find_dummy_reload): Likewise.
6662 * doc/tm.texi (Register Classes): Document what it means
6663 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6664 * config/i386/i386.c (ix86_preferred_reload_class): Force
6665 using SSE registers (and return NO_REGS for floating-point
6666 constants) if math is done with SSE.
6667 (ix86_preferred_output_reload_class): New.
6668 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6669 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6670 * config/i386/i386.md: Remove # register preferences.
6672 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6675 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6676 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6677 the type of nb_iter.
6678 (instantiate_parameters_1): Convert the operands before calling
6679 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6680 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6682 2006-04-02 Roger Sayle <roger@eyesopen.com>
6684 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6685 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6687 * dojump.c (do_jump): Likewise.
6688 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6689 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6690 gimplify_boolean_expr): Likewise.
6691 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6692 * varasm.c (array_size_for_constructor): Likewise.
6693 * tree-object-size.c (compute_object_offset): Likewise.
6695 2006-04-02 Roger Sayle <roger@eyesopen.com>
6698 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6699 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6701 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6703 PR tree-optimization/26939
6704 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6706 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6708 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6709 at_stmt. Convert the type of operands before calling
6710 build_polynomial_chrec.
6711 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6713 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6714 (instantiate_parameters_1): Convert the type of operands before calling
6715 build_polynomial_chrec.
6716 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6717 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6718 reset_evolution_in_loop): Insert asserts to check the types of the
6720 (chrec_type): Moved...
6721 (eq_evolutions_p): Use operand_equal_p.
6722 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6723 the types of the operands.
6724 (chrec_type): ...here.
6725 * tree-data-ref.c (create_data_ref): Convert the operands before
6726 calling chrec_replace_initial_condition.
6727 (same_access_functions, analyze_subscript_affine_affine,
6728 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6729 (compute_subscript_distance, analyze_ziv_subscript,
6730 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6731 analyze_miv_subscript): Convert the operands before calling
6732 chrec_fold_minus or chrec_fold_plus.
6734 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6736 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6737 the dependence_relations vector.
6738 (compute_data_dependences_for_loop): Adjust call to
6739 compute_all_dependences.
6741 2006-04-01 Roger Sayle <roger@eyesopen.com>
6742 Richard Henderson <rth@redhat.com>
6744 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6745 gimple_boolify on the condition before calling gimplify_expr.
6747 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6749 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6750 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6751 the frame size. Update to use the new macros.
6752 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6753 * config/xtensa/ieee754-df.S: Likewise.
6755 2006-03-31 Richard Henderson <rth@redhat.com>
6757 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6758 (make_edges): ... here. Control fallthru creation with a local
6759 variable. Do not play with fake edges.
6760 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6761 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6764 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6766 * dwarf2.h (DW64_CIE_ID): Define.
6767 * dwarf2out.c (DWARF_CIE_ID): Define.
6768 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6769 length header. Use DWARF_CIE_ID.
6770 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6771 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6773 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6775 * config/sh/linux-atomic.asm: New file.
6776 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6778 2006-03-31 DJ Delorie <dj@redhat.com>
6780 * config/m32c/cond.md: Set condition flags properly throughout.
6781 * config/m32c/minmax.md: Likewise.
6782 * config/m32c/prologue.md: Likewise.
6783 * config/m32c/bitops.md: Likewise.
6784 * config/m32c/muldiv.md: Likewise.
6785 * config/m32c/mov.md: Likewise.
6786 * config/m32c/addsub.md: Likewise.
6787 * config/m32c/m32c.md: Likewise.
6788 * config/m32c/jump.md: Likewise.
6789 * config/m32c/shift.md: Likewise.
6791 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6792 conditionally output the pattern for this.
6793 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6794 (m32c_compare_redundant): New.
6795 (m32c_output_compare): New.
6796 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6798 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6799 dest, not src. Allow other 4-byte modes.
6801 2006-03-30 Denis Chertykov <denisc@overta.ru>
6803 * doc/md.texi: Refer to avr/constraints.md instead of
6806 2006-03-30 Roger Sayle <roger@eyesopen.com>
6808 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6809 signed vs. unsigned comparison failures on some hosts.
6811 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6814 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6815 change to FLOAT_REGS.
6817 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6818 (rs6000_override_options): Use it.
6819 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6820 only for -mabi=spe/no-spe and -mabi=altivec.
6822 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6824 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6827 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6829 * Makefile.in: Rename docdir to gcc_docdir.
6831 2006-03-30 Roger Sayle <roger@eyesopen.com>
6834 * expr.c (emit_group_store): Optimize group stores into a pseudo
6835 register by using a paradoxical subreg to initialize the destination
6836 if the first or last member of the group specifies a "low part".
6838 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6841 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6842 * target.h (struct gcc_target.speculate_insn): Change type of the
6843 second parameter to 'int'.
6844 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6845 the second operand of the DEPS_LIST.
6846 (copy_DEPS_LIST_list): Update reference to the second operand of the
6848 * rtl.h (alloc_DEPS_LIST): Update signature.
6849 * sched-int.h (ds_t): Change typedef to 'int'.
6850 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6852 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6854 * haifa-sched.c (try_ready): Change condition to restore
6855 non-speculative pattern of the instruction.
6856 (process_insn_depend_be_in_spec): Code to keep probability of the
6857 speculative dependence non-decreasing.
6859 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6861 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6862 (single_move_for_movmem): ... this. Also change all uses.
6863 (bfin_expand_strmov): Renamed to...
6864 (bfin_expand_movmem): ... this. Also change all uses.
6865 * config/bfin/bfin.md (movstrsi): Renamed to...
6866 (movstrsi): ...this.
6868 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6870 PR tree-optimization/26830
6872 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6873 (copy_prop_visit_stmt): Remove write-only variable ann.
6874 (init_copy_prop): Check variable loop depth here. Do not simulate
6875 memory-tag and virtual operand PHIs except for store copy prop.
6877 2006-03-30 Richard Guenther <rguenther@suse.de>
6879 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6880 variants with double arguments.
6882 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6884 * genpreds.c (write_tm_constrs_h): Delete variable p.
6885 * genconditions.c (write_header): Add tm-constrs.h to included
6887 * genpeep.c (main): Add toplev.h to included headers.
6888 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6889 (build/genpeep.o): Add toplev.h dependency.
6890 * config/rs6000/constraints.md: Add "W" constraint.
6892 2006-03-29 Roger Sayle <roger@eyesopen.com>
6894 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6895 sizes by correctly testing whether the size fits a host integer.
6896 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6897 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6898 SImode range for the default sizetype and bitsizetype.
6900 2006-03-29 Roger Sayle <roger@eyesopen.com>
6902 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6903 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6904 quickly if the argument is already of the correct type.
6905 Call fold_build1 instead of build1. Tidy up blank lines.
6907 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6909 * genemit.c (main): Add tm-constrs.h to included headers.
6910 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6911 * genpeep.c (main): Add tm-constrs.h to included headers.
6912 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6913 (write_tm_constrs_h): this and write complete file.
6914 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6915 (write_insn_preds_c): Add tm-constrs.h to included headers.
6916 (gen_constrs): New variable.
6917 (parse_option): Parse "-c".
6918 (main): Invoke write_tm_constrs_h.
6919 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6920 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6921 (object_out_file): Add tm-constrs.h dependency.
6922 (insn-emit.o): Same.
6923 (insn-output.o): Same.
6924 (insn-peep.o): Same.
6925 (insn-preds.o): Same.
6926 (insn-recog.o): Same.
6927 (tm-constsr.h): New target.
6928 (s-constrs-h): New target.
6930 * config/rs6000/constraints.md: New file.
6931 * config/rs6000/rs6000.c: Include tm-constrs.h.
6932 (num_insn_constant_wide): Convert to satisfies_constraint.
6933 (rs6000_rtx_costs): Convert to satisfies_constraint.
6934 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6935 (CONST_OK_FOR_LETTER_P): Delete.
6936 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6937 (EXTRA_CONSTRAINT): Delete.
6938 (EXTRA_MEMORY_CONSTRAINT): Delete.
6939 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6940 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6941 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6942 satisfies_constraint.
6944 * config/i386/i386.c: Include tm-constrs.h.
6946 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6948 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6949 * tree-data-ref.c (find_data_references_in_loop,
6950 compute_data_dependences_for_loop): Use pointers to VEC.
6951 (analyze_all_data_dependences): Adjust calls.
6952 * tree-data-ref.h (find_data_references_in_loop,
6953 compute_data_dependences_for_loop): Adjust declarations.
6954 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6955 compute_data_dependences_for_loop.
6957 2006-03-29 Paul Brook <paul@codesourcery.com>
6959 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6962 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6964 PR tree-optimization/26859
6965 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6967 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6968 for the step after fold_convert.
6970 2006-03-29 Paul Brook <paul@codesourcery.com>
6972 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6973 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6975 2006-03-29 Paul Brook <paul@codesourcery.com>
6978 * targhooks.c (default_narrow_bitfield): New fuction.
6979 * targhooks.h (default_narrow_bitfield): add prototype.
6980 * target.h (gcc_target): Add narrow_volatile_bitfield.
6981 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6982 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6983 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6984 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6986 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6988 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6990 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6991 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6992 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
6993 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
6994 (s390_function_arg_float): Allow SDmode and DDmode values to be
6995 passed in floating point registers.
6996 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
6997 check with SCALAR_FLOAT_MODE_P.
6998 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7000 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7002 PR tree-optimization/25985
7003 * tree-ssa-loop-niter.c (number_of_iterations_le,
7004 number_of_iterations_ne): Make comments more precise.
7005 (number_of_iterations_cond): Add only_exit argument. Use the
7006 fact that signed variables do not overflow only when only_exit
7008 (loop_only_exit_p): New.
7009 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7010 number_of_iterations_cond.
7012 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7014 PR tree-optimization/26643
7015 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7018 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7020 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7021 (divsi3_i4_int): Likewise.
7023 2006-03-28 Roger Sayle <roger@eyesopen.com>
7025 * expr.c (emit_group_store): Only create a new pseudo reg if the
7026 quantity it needs to hold isn't already a suitable pseudo.
7028 2006-03-28 Jeff Law <law@redhat.com>
7030 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7031 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7033 2006-03-28 Roger Sayle <roger@eyesopen.com>
7035 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7036 the equivalent ~X & Y, and the symmetry related transformations.
7037 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7038 ~X & Y, and symmetry related transforms.
7040 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7042 Revert my 2006-03-27 patches.
7044 2006-03-28 Roger Sayle <roger@eyesopen.com>
7046 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7047 ~(T1)X, when T1 and T2 are integer types of the same precision
7048 and (T2)X isn't an extension.
7050 2006-03-28 Jeff Law <law@redhat.com>
7052 PR tree-optimization/26796
7053 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7054 need EH edge cleanups rather than purging them immediately.
7055 (eliminate_degenerate_phis): Handle queued EH cleanups.
7057 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7059 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7062 2006-03-27 Roger Sayle <roger@eyesopen.com>
7065 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7066 cast BIT_NOT_EXPR operand to the correct type.
7068 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7070 * tree-loop-linear.c: Don't include varray.h.
7071 (gather_interchange_stats, try_interchange_loops,
7072 linear_transform_loops): Use VEC instead of VARRAY.
7073 * lambda-mat.c: Don't include varray.h.
7074 * tree-chrec.c: Same.
7075 * lambda-trans.c: Same.
7076 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7077 VEC instead of VARRAY.
7078 * tree-vectorizer.h: Idem.
7079 * tree-data-ref.c (dump_data_references,
7080 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7081 initialize_data_dependence_relation, finalize_ddr_dependent,
7082 compute_all_dependences, find_data_references_in_loop,
7083 compute_data_dependences_for_loop, analyze_all_data_dependences,
7084 free_dependence_relation, free_dependence_relations,
7085 free_data_refs): Idem.
7086 * tree-data-ref.h (data_reference_p, subscript_p): New.
7087 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7088 VEC instead of VARRAY.
7089 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7090 (find_data_references_in_loop, compute_data_dependences_for_loop,
7091 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7092 dump_data_dependence_relations, free_dependence_relations,
7093 free_data_refs): Adjust declaration.
7094 (lambda_transform_legal_p): Move declaration here...
7095 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7096 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7097 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7098 vect_analyze_data_refs): Use VEC instead of VARRAY.
7099 * lambda.h (lambda_transform_legal_p): ...from here.
7100 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7101 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7102 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7103 tree-chrec.o): Don't depend on VARRAY_H.
7105 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7107 * rtl.def (Copyright): Update date.
7108 (DEPS_LIST): Change type of the second operand to 'int'.
7109 * target.h (Copyright): Update date.
7110 (struct gcc_target.speculate_insn): Change type of the second parameter
7112 * lists.c (Copyright): Update date.
7113 (alloc_DEPS_LIST): Change signature. Update reference to the second
7114 operand of the DEPS_LIST.
7115 (copy_DEPS_LIST_list): Update reference to the second operand of the
7117 * rtl.h (Copyright): Update date.
7118 (alloc_DEPS_LIST): Update signature.
7119 * sched-int.h (Copyright): Update date.
7120 (ds_t): Change typedef to 'int'.
7121 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7123 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7125 * haifa-sched.c (Copyright): Update date.
7126 (try_ready): Change condition to restore non-speculative pattern
7128 (process_insn_depend_be_in_spec): Code to keep probability of the
7129 speculative dependence non-decreasing.
7131 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7133 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7134 shut up the compiler.
7136 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7138 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7139 to use lib prefix for target.
7140 ($(T)libic_invalidate_array_4-200.a): Likewise.
7141 ($(T)libic_invalidate_array_4a.a): Likewise.
7143 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7144 J"orn Rennecke <joern.rennecke@st.com>
7146 * superh.opt: New file.
7147 * sh.c (boardtype, osruntime): Remove.
7148 * superh.h (SUBTARGET_OPTIONS): Remove.
7149 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7151 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7152 arguments with ^ and/or [].
7154 * config.gcc (sh-*-*): Add quoting to account for quirk of
7156 Replace == with = in enable_incomplete_targets test.
7158 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7159 with MASK_LITTLE_ENDIAN.
7161 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7162 * config/sh/sh.opt: Added to some comments.
7163 * config/sh/superh.h: Removed some chaff.
7165 * config/sh/sh.opt: Add m4-[1234]00* options.
7166 * config/sh/sh.c (sh_handle_option): Likewise.
7167 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7168 (ic_invalidate_array_4-100.o): New rule.
7169 ($(T)libic_invalidate_array_4-100.a): Likewise.
7170 (ic_invalidate_array_4-200.o): Likewise.
7171 ($(T)libic_invalidate_array_4-200.a): Likewise.
7172 (ic_invalidate_array_4a.o): Likewise.
7173 ($(T)libic_invalidate_array_4a.a): Likewise.
7174 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7175 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7177 * config/sh/crt1.asm: Merged in profiling code.
7178 * config/sh/superh.h (STARTFILE_SPEC): Override.
7179 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7180 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7181 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7183 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7184 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7185 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7187 * sh.opt (mpretend-cmove): New option.
7188 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7189 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7190 (movsicc): Add TARGET_PRETEND_CMOVE code.
7192 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7194 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7195 s390_class_max_nregs): New function prototypes.
7196 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7197 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7198 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7199 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7201 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7203 * dwarf2out.c (add_location_or_const_value_attribute): Call
7204 tree_add_const_value_attribute if nothing else works.
7205 (reference_to_unused): New.
7206 (rtl_for_decl_init): Use reference_to_unused to decide whether
7207 to output an initializer.
7209 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7212 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7213 peephole removing spe frob_di_df_2.
7215 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7217 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7218 (subscript_dependence_tester_1): Declared.
7219 (print_dir_vectors, print_dist_vectors): New.
7220 (debug_data_dependence_relation): New.
7221 (dump_data_dependence_relation): Print more details.
7222 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7223 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7224 (save_dist_v, save_dir_v, add_outer_distances,
7225 build_classic_dist_vector_1): New.
7226 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7227 Don't test for lambda_vector_lexico_pos.
7228 (same_access_functions, add_multivariate_self_dist,
7229 add_other_self_distances, dir_from_dist): New.
7230 (build_classic_dir_vector): Replace implementation almost identical to
7231 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7233 (subscript_dependence_tester_1): New.
7234 (subscript_dependence_tester): Handle the lexicographically negative
7235 distance vectors by recomputing the dependence relation.
7236 (compute_affine_dependence): Remove parameter loop_nest_depth.
7237 (compute_self_dependence): Don't call compute_subscript_distance.
7238 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7239 Add a parameter for the loop_nest.
7240 (find_loop_nest_1, find_loop_nest): New.
7241 (compute_data_dependences_for_loop): Compute the loop nest, and give
7242 up if the nest is not well formed.
7243 * tree-data-ref.h (loop_p): New.
7244 (struct data_dependence_relation): Replace size_vect field with
7245 loop_nest, a vec of loops.
7246 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7247 (DDR_LOOP_NEST): New.
7248 (print_dir_vectors, print_dist_vectors,
7249 debug_data_dependence_relation): Declared.
7250 (index_in_loop_nest): New.
7251 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7252 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7255 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7257 * simplify-rtx.c (simplify_relational_operation): Call
7258 simplify_relational_operation_1 even if mode is VOIDmode.
7260 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7262 PR tree-optimization/26804
7263 * tree.h (DECL_CALL_CLOBBERED): New macro.
7264 (tree_decl_common): Add call_clobbered_flag.
7265 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7266 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7267 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7268 (mark_non_addressable): Ditto.
7269 * tree-ssa.c (verify_call_clobbered): New function.
7270 (verify_alias_info): Use it.
7271 * tree-pass.h (pass_reset_cc_flags): New prototype.
7272 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7273 (reset_cc_flags): New function.
7274 * passes.c (init_optimization_passes): Call reset_cc_flags after
7275 initializing referenced_vars.
7277 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7278 Roger Sayle <roger@eyesopen.com>
7281 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7282 to 1.0 for non-real operands. Implement A / A optimization for
7285 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7287 * config/i386/i386.c (size_cost): Correct the comment for
7288 cost of storing fp registers.
7289 (i386_cost): Likewise.
7290 (i486_cost): Likewise.
7291 (pentium_cost): Likewise.
7292 (pentiumpro_cost): Likewise.
7293 (k6_cost): Likewise.
7294 (athlon_cost): Likewise.
7295 (k8_cost): Likewise.
7296 (pentium4_cost): Likewise.
7297 (nocona_cost): Likewise.
7298 (generic64_cost): Likewise.
7299 (generic32_cost): Likewise.
7301 2006-03-24 Denis Chertykov <denisc@overta.ru>
7303 * config/avr/avr-protos.h (extra_constraint): Delete.
7304 (extra_constraint_Q): New declaration.
7305 * config/avr/constraints.md: New file.
7306 * config/avr/avr.md: Include it.
7307 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7308 (TMP_REGNO, ZERO_REGNO): Likewise.
7309 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7310 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7311 (extra_constraint): Delete.
7312 (extra_constraint_Q): Test for memory constraint 'Q'.
7313 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7314 (REG_CLASS_FROM_LETTER): Delete.
7315 (CONST_OK_FOR_LETTER_P): Delete.
7316 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7317 (EXTRA_CONSTRAINT): Delete.
7318 (TMP_REGNO): Delete.
7319 (ZERO_REGNO): Delete.
7321 2006-03-24 Jeff Law <law@redhat.com>
7323 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7324 directly. Call mark_new_vars_to_rename slightly earlier.
7326 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7328 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7330 (gen_compile_unit_die): Use new language types for Objective-C and
7332 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7333 DW_LANG_C_plus_plus.
7336 * config/t-darwin (crt3.o): Work around bug 26840.
7337 * config/darwin-crt3.c: Rewrite.
7338 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7340 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7342 * doc/invoke.texi: Document -femit-class-debug-always
7343 * common.opt: Add -femit-class-debug-always.
7345 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7347 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7348 index and base register.
7349 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7350 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7351 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7352 REGNO_OK_FOR_INDEX_P.
7353 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7355 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7356 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7357 REG_OK_FOR_BASE_P): Definitions removed.
7359 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7362 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7363 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7364 set yet or weren't marked as local yet.
7366 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7368 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7371 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7373 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7374 (rs6000_legitimate_small_data_p): Delete.
7375 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7376 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7377 and make static. Add forward declaration. Update uses.
7378 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7379 of offsettable_memref_p.
7380 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7381 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7383 2006-03-24 Jeff Law <law@redhat.com>
7385 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7386 around bug in immediate-use iterator.
7388 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7391 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7392 or __LITTLE_ENDIAN__.
7394 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7396 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7397 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7398 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7399 * config/sh/sh.opt (mdiv=): Amend description.
7400 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7401 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7402 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7403 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7404 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7405 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7406 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7407 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7408 TARGET_DIVIDE_CALL_FP.
7410 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7412 * haifa-sched.c (choose_ready): Fix type of the local variable.
7413 Move local variables. Add comment.
7414 (check_reg_live): Change signature. Make callable from debugger.
7415 * sched-int.h (check_reg_live): Update signature.
7416 * sched-ebb.c (check_reg_live): Update parameters.
7417 * sched-rgn.c (check_reg_live): Ditto.
7418 (region_head_or_leaf_p): Check pointer before dereferencing.
7419 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7420 before reload on optimization levels below 1.
7422 2006-03-23 Richard Henderson <rth@redhat.com>
7424 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7428 * config/alpha/predicates.md (local_symbolic_operand): Reject
7431 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7434 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7435 expressions which have overflowed constants.
7437 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7439 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7441 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7443 * cfgloopmanip.c (create_loop_notes): Removed.
7444 * final.c (final_scan_insn): Do not handle loop notes.
7445 * jump.c (squeeze_notes): Ditto.
7446 * cfglayout.c (skip_insns_after_block,
7447 duplicate_insn_chain): Ditto.
7448 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7450 * cfgloop.h (create_loop_notes): Declaration removed.
7452 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7454 * varasm.c (output_constant_pool): Restore fnname and fndecl
7456 (assemble_start_function): Adjust call accordingly.
7457 (assemble_end_function): Likewise.
7459 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7462 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7465 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7467 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7470 * system.h (ICE_EXIT_CODE): New macro.
7471 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7472 (diagnostic_action_after_output): Likewise.
7473 * gcc.c (fatal_ice): New function.
7474 (execute): Use it instead of fatal.
7475 (fancy_abort): Likewise.
7476 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7478 2006-03-22 Jeff Law <law@redhat.com>
7480 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7481 iv_analyze_result returning false.
7483 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7485 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7487 2006-03-22 Richard Henderson <rth@redhat.com>
7490 * except.c (duplicate_eh_regions_0): New.
7491 (duplicate_eh_region_1): Duplicate the children of the node as
7492 well as the node itself. Link them up properly.
7493 (duplicate_eh_region_2): Merge into ...
7494 (duplicate_eh_regions): ... here. Take copy_region argument, and
7495 copy only a sub-tree if asked. Simplify copying and fixup.
7496 (eh_region_outer_p): New.
7497 * except.h (duplicate_eh_regions): Update decl.
7498 (eh_region_outer_p): Declare.
7499 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7500 (lower_omp_master): Likewise.
7501 (lower_omp_ordered): Likewise.
7502 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7503 (move_stmt_r): Use it to remap labels. Handle recursion vs
7504 remap_decls_p properly.
7505 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7506 (find_outermost_region_in_block): New.
7507 (new_label_mapper): New.
7508 (move_sese_region_to_fn): Copy eh information to the new function
7510 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7512 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7515 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7517 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7518 into shared libraries.
7520 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7522 * doc/md.texi: Refer to i386/constraints.md instead of
7524 * config/i386/constraints.md: New file, extracted from...
7525 * config/i386/predicates.md: ...here.
7526 * config/i386/i386.md: Include constraints.md.
7528 2006-03-21 Jason Merrill <jason@redhat.com>
7530 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7533 * expr.c (init_block_move_fn): Force default visibility.
7534 (init_block_clear_fn): Likewise.
7535 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7536 * targhooks.c (default_external_stack_protect_fail): Likewise.
7538 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7540 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7541 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7542 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7543 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7544 (loadgp): Use mips_current_loadgp_style.
7545 (loadgp_noshared): New pattern.
7546 (sibcall_internal): Use MIPS_CALL.
7547 (sibcall_value_internal): Likewise.
7548 (sibcall_value_multiple_internal): Likewise.
7549 (call_internal): Likewise.
7550 (call_value_internal): Likewise.
7551 (call_value_multiple_internal): Likewise.
7552 (call_split): Use MIPS_CALL and add an 'S' constraint.
7553 (call_value_split): Likewise.
7554 (call_value_multiple_split): Likewise.
7555 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7556 (-mshared): New option.
7557 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7558 (mips_current_loadgp_style): Declare.
7559 * config/mips/mips.c (mips_classify_symbol): Avoid using
7560 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7561 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7562 TARGET_ABSOLUTE_ABICALLS.
7563 (override_options): Adjust comments. Improve the warning that is
7564 issued when -mabicalls and -G are used together.
7565 (mips_file_start): Remove comment.
7566 (mips_current_loadgp_style): New function.
7567 (mips_gnu_local_gp): New variable.
7568 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7570 (mips_output_function_prologue): Use mips_current_laodgp_style.
7571 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7572 the cprestore instruction.
7573 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7574 live for TARGET_ABSOLUTE_ABICALLS.
7575 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7576 (ASM_SPEC): Pass down -mshared and -mno-shared.
7577 (MIPS_CALL): New macro.
7578 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7580 * doc/invoke.texi (-mabicalls): Update documentation.
7581 (-mshared): Document.
7583 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7585 * config/ia64/unwind-hpux.c: New file.
7586 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7588 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7591 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7593 2006-03-21 Jeff Law <law@redhat.com>
7595 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7596 type conversions of a VR_VARYING source to a wider type.
7598 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7600 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7601 tm_file on Solaris 10 and later.
7602 (sparc64-*-solaris2*): Likewise.
7603 (sparc-*-solaris2*): Likewise.
7604 * config/sol26.h: Rename to config/sol2-6.h.
7605 * config/sol2-10.h: New file.
7607 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7610 * tree-ssa-pre.c (create_component_ref_by_pieces):
7613 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7616 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7617 return it immediately.
7619 2006-03-21 Michael Matz <matz@suse.de>
7621 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7623 (remove_arc, add_arc): Update num_out_arcs member.
7624 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7626 (cache_presence): New function.
7627 (compare_states_for_equiv): New function.
7628 (state_is_differed): Don't take number of outargs, adjust callers.
7629 Use new invariant for speeding up.
7630 (init_equiv_class): Create initial classes based on sorted
7632 (partition_equiv_class): Don't track out_arcs_num.
7633 (evaluate_equiv_classes): Call cache_presence on all states and
7636 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7638 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7639 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7640 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7641 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7643 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7644 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7645 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7646 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7647 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7649 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7650 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7651 (REGNO_REG_CLASS): ARGP is in PREGS.
7652 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7654 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7655 to deal with those addresses.
7656 * addresses.h: New file.
7657 * caller-save.c: Include "addresses.h".
7658 (init_caller_save): Use new base_reg_class function.
7659 * rtl-factoring.c: Include "addresses.h".
7660 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7661 * recog.c: Include "addresses.h".
7662 (preprocess_constraints): Use new base_reg_class function.
7663 * regrename.c: Include "addresses.h".
7664 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7665 functions. Keep track of a new var INDEX_CODE to compute valid
7667 (replace_oldest_value_addr): Likewise.
7668 (replace_oldest_value_mem): Use base_reg_class.
7669 * reload.c: Include "addresses.h".
7670 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7671 (find_reloads): Use new base_reg_class function.
7672 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7673 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7674 all callers and prototype changed.
7675 * reload1.c: Include "addresses.h".
7676 (maybe_fix_stack_asms): Use base_reg_class.
7677 * regclass.c: Include "addresses.h".
7678 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7679 (init_reg_autoinc): Use new base_reg_class function.
7680 (record_reg_classes): Likewise.
7681 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7682 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7683 Use new args to compute necessary class.
7685 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7686 regrename.o, rtl-factoring.o): Update dependencies.
7687 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7688 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7689 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7690 REG_OK_FOR_INDEX_P): Delete documentation.
7692 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7694 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7695 from V7 to V9 for Solaris 7 and above.
7697 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7699 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7700 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7701 argument pointers may not alias any other storage.
7702 * common.opt: Define option -fargument-noalias-anything.
7703 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7704 alias semantics is specified by flag_argument_noalias > 2.
7706 2006-03-20 Jeff Law <law@redhat.com>
7708 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7709 (pass_phi_only_cprop): Declare.
7710 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7712 * tree-ssa-dom.c (degenerate_phi_result): New function.
7713 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7714 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7715 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7716 (eliminate_degenerate_phis): Likewise.
7717 (pass_phi_only_cprop): New pass descriptor.
7718 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7719 support code. Callers updated.
7720 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7721 (store_copy_prop): Likewise.
7722 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7724 2006-03-20 Jason Merrill <jason@redhat.com>
7727 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7728 (push_visibility, pop_visibility): Likewise.
7729 * c-pragma.h: Declare them.
7731 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7733 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7735 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7736 parameter and use get_ebb_head_tail.
7737 (sh_md_init_global): Adjust uses of find_regmode_weight.
7739 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7741 * function.h (struct function) <x_tail_recursion_reentry>:
7742 Rename to x_stack_check_probe_note.
7743 (tail_recursion_reentry): Rename to stack_check_probe_note.
7744 * function.c: Replace tail_recursion_reentry with
7745 stack_check_probe_note everywhere.
7746 (expand_function_start): Only emit a note for
7747 stack_check_probe_note with -fstack-protect.
7748 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7750 * emit-rtl.c (remove_unnecessary_notes): Remove.
7751 (pass_remove_unnecessary_notes): Remove.
7752 * rtl.h (remove_unnecessary_notes): Remove prototype.
7753 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7754 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7755 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7757 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7760 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7761 (valid_in_set): Handle ARRAY_REF.
7762 Change "if min_variant or VH" to asserts.
7763 (create_component_ref_by_pieces): Handle ARRAY_REF.
7764 (create_expression_by_pieces): Likewise.
7765 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7767 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7769 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7770 is operand of switch, not str[0].
7772 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7774 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7775 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7777 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7779 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7780 end of insn_extra_address_constraint declaration.
7782 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7784 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7785 (no-sum-in-toc): Same.
7786 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7788 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7789 NO_FP_IN_TOC for -fPIC instead of mask.
7791 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7792 (BOOT_LDFLAGS): Delete.
7794 * config/rs6000/t-aix52: Same.
7796 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7797 (stmsi[345678]_power): New.
7799 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7801 * config/ia64/ia64.opt: Add empty line to end of file.
7803 2006-03-17 Richard Guenther <rguenther@suse.de>
7806 * builtins.c (get_pointer_alignment): For component style references
7807 adjust alignment to the component type alignment. Make sure
7808 to adjust alignment for component access of constants.
7810 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7812 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7815 2006-03-17 Paul Brook <paul@codesourcery.com>
7817 * doc/install.texi: Docuemnt --with-mode.
7818 * config.gcc: Add --with-mode for arm*-*-*.
7819 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7821 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7823 * sh.c (max_labelno_before_reorg): New variable.
7824 (sh_reorg): Initialize it.
7825 (find_barrier): Check max_labelno_before_reorg before using
7826 label_to_alignment. Take length of explicit alignment insns
7827 into account. When seeing a UNSPECV_CONST_END, return it.
7829 * sh.c (fixup_mova): Set mode of affected label to QImode.
7830 (untangle_mova): New function.
7831 (find_barrier): Use it. Check mode of label before decrementing
7833 (sh_reorg): Likewise.
7834 Set mode of all insns back to VOIDmode.
7836 * sh.c (MOVA_LABELREF): New macro.
7837 (mova_p, fixup_mova, sh_reorg): Use it.
7838 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7839 ADDR_DIFF_VEC matches mova.
7841 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7843 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7844 with ATTRIBUTE_UNUSED.
7846 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7848 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7849 pointer, instead of assuming it is possible to derive the
7850 correct args size from a call insn.
7852 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7854 * rtl.h (CONST_INT_P): Define.
7855 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7856 instead of GET_CODE(x) == CONST_INT.
7857 (vax_rtx_costs): Likewise.
7858 (vax_output_int_move): Likewise.
7859 (vax_output_int_add): Likewise.
7860 (legitimate_constant_address_p): Likewise.
7861 (index_term_p): Likewise.
7862 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7863 * config/vax/vax.md (and<mode>3): Likewise.
7864 (ashrsi3): Likewise.
7866 (movstricthi): Likewise.
7867 (movstrictqi): Likewise.
7868 (rotrsi3): Likewise.
7869 (five unnamed insns): Likewise.
7871 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7873 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7874 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7875 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7876 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7877 Pass to ASM_OUTPUT_DWARF_OFFSET.
7878 * dwarf2out.c (debug_frame_section): New.
7879 (output_call_frame_info): Use debug_frame_section. Pass it to
7880 dw2_asm_output_offset.
7881 (output_die): Pass appropriate section to dw2_asm_output_offset.
7882 (output_compilation_unit_header): Likewise.
7883 (output_pubnames): Likewise.
7884 (output_aranges): Likewise.
7885 (enum dw_val_class): Break dw_val_class_lbl_offset into
7886 dw_val_class_lineptr and dw_val_class_macptr.
7887 (add_AT_lbl_offset): Delete.
7888 (add_AT_lineptr): New.
7889 (add_AT_macptr): New.
7890 (AT_lbl): Expect a lineptr or macptr.
7891 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7892 (attr_checksum): Likewise.
7893 (same_dw_val_p): Likewise.
7894 (size_of_die): Likewise.
7895 (value_format): Likewise.
7896 (output_die): Likewise.
7897 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7899 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7900 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7901 * config/darwin-protos.h (darwin_file_start): New.
7902 (darwin_asm_output_dwarf_offset): New.
7903 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7904 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7906 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7907 if not EH section; simplify.
7908 (darwin_file_start): New.
7909 (darwin_asm_output_dwarf_offset): New.
7910 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7912 (DEBUG_INFO_SECTION): Likewise.
7913 (DEBUG_ABBREV_SECTION): Likewise.
7914 (DEBUG_ARANGES_SECTION): Likewise.
7915 (DEBUG_MACINFO_SECTION): Likewise.
7916 (DEBUG_LINE_SECTION): Likewise.
7917 (DEBUG_LOC_SECTION): Likewise.
7918 (DEBUG_PUBNAMES_SECTION): Likewise.
7919 (DEBUG_STR_SECTION): Likewise.
7920 (DEBUG_RANGES_SECTION): Likewise.
7921 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7922 (ASM_OUTPUT_DWARF_OFFSET): New.
7924 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7926 * config.gcc (tm_defines): Always add to previous value rather
7929 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7931 * config/mips/predicates.md (splittable_const_int_operand): New,
7932 split from move_operand.
7933 (splittable_symbolic_operand): New.
7934 (move_operand): Add commentary. Use splittable_const_int_operand.
7935 Inline mips_atomic_symbolic_constant_p.
7936 * config/mips/mips.md: Add combine splitters for handling moves
7937 of splittable_const_int_operands and splittable_symbolic_operands.
7938 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7939 (mips_split_symbol): Declare.
7940 (mips_move_integer): Declare.
7941 * config/mips/mips.c (mips_split_p): Make global.
7942 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7943 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7944 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7945 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7946 (mips_offset_within_object_p): Handle block symbols.
7947 (mips_atomic_symbolic_constant_p): Delete.
7948 (mips_cannot_force_const_mem): Return false for constants that
7949 mips_legitimize_move can handle.
7950 (mips_use_blocks_for_constant_p): New function.
7951 (mips_split_symbol): Make global.
7952 (mips_move_integer): Likewise. Add a temporary register argument.
7953 (mips_legitimize_const_move): Use splittable_const_int_operand and
7954 splittable_symbolic_operand.
7955 (mips_use_anchors_for_symbol_p): New function.
7956 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7957 (mips_split_p): Declare.
7959 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7961 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7962 (mips*-*-linux*): Likewise.
7964 2006-03-16 Roger Sayle <roger@eyesopen.com>
7965 Daniel Speyer <dspeyer@wam.umd.edu>
7968 * tree-dump.c (dump_real): New function.
7969 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7970 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7971 (tree-dump.o): Add $(REAL_H) to the dependencies.
7973 2006-03-16 Roger Sayle <roger@eyesopen.com>
7976 * real.c (real_from_string): If the mantissa is zero, don't bother
7977 parsing the exponent as the result should always be zero.
7979 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7981 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7983 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7985 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7986 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7987 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7988 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7989 ia64_sched_finish_global): New static functions to implement
7990 hooks from gcc_target.sched.
7991 (spec_check_no, max_uid, pending_data_specs): New static variables.
7992 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
7993 ia64_spec_check_src_p): New static functions.
7994 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
7995 (TARGET_SCHED_ADJUST_COST): Removed.
7996 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
7997 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
7998 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
7999 TARGET_SCHED_GEN_CHECK,
8000 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8001 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8002 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8003 Fixed to handle speculation checks.
8004 (rtx_needs_barrier): Fixed to handle speculative loads and
8006 (ia64_variable_issue): Added code to count speculative loads and their
8008 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8010 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8012 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8014 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8015 (ia64_reorg): Reset stops_p to NULL after it is freed.
8016 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8017 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8018 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8020 (data_speculative, control_speculative, check_load): New attributes.
8021 (mov<mode>_advanced, mov<mode>_speculative,
8022 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8023 zero_extend<mode>di2_speculative,
8024 zero_extend<mode>di2_speculative_advanced): New patterns for
8025 data and control speculative loads.
8026 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8028 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8029 New pattern for data and control speculation checks.
8030 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8031 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8032 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8033 Auxiliary definitions for the patterns.
8034 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8035 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8037 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8039 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8040 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8041 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8042 New resource constraints.
8043 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8045 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8046 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8047 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8048 msched-in-control-spec, msched-ldc, msched-control-ldc,
8049 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8050 msched-prefer-non-control-spec-insns,
8051 msched-count-spec-in-critical-path): New flags to tune speculative
8053 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8054 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8055 msched-in-control-spec, msched-ldc, msched-control-ldc,
8056 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8057 msched-prefer-non-control-spec-insns,
8058 msched-count-spec-in-critical-path): Document new flags.
8060 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8062 * target.h (struct spec_info_def): New opaque declaration.
8063 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8064 speculate_insn, needs_block_p, gen_check,
8065 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8066 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8067 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8068 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8069 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8070 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8072 (TARGET_SCHED): Use new macros.
8073 * rtl.h (copy_DEPS_LIST_list): New prototype.
8074 * sched-int.h (struct sched_info): Change signature of new_ready field,
8075 adjust all initializations. New fields: add_remove_insn,
8076 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8077 region_head_or_leaf_p.
8078 (struct spec_info_def): New structure declaration.
8079 (spec_info_t): New typedef.
8080 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8081 recovery_block, orig_pat.
8082 (glat_start, glat_end): New variables declaraions.
8083 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8085 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8086 DETACH_LIFE_INFO, USE_GLAT.
8087 (enum SPEC_SCHED_FLAGS): New enumeration.
8088 (NOTE_NOTE_BB_P): New macro.
8089 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8090 attach_life_info, debug_spec_status, check_reg_live): New functions.
8091 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8092 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8094 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8095 * ddg.c (get_block_head_tail): Adjust all uses.
8096 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8097 (sms_sched_info): Initialize new fields.
8098 (contributes_to_priority): Removed.
8099 * haifa-sched.c (params.h): New include.
8100 (get_block_head_tail): Adjust all uses.
8101 (ISSUE_POINTS): New macro.
8102 (glat_start, glat_end): New global variables.
8103 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8104 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8105 old_last_basic_block, before_recovery, current_sched_info_var,
8106 rgn_n_insns, luid): New static variables.
8107 (insn_cost1): New function. Move logic from insn_cost to here.
8108 (find_insn_reg_weight1): New function. Move logic from
8109 find_insn_reg_weight to here.
8110 (reemit_notes, move_insn, max_issue): Change signature.
8111 (move_insn1): Removed.
8112 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8113 extend_bb): New static functions to support extension of scheduler's
8115 (generate_recovery_code, process_insn_depend_be_in_spec,
8116 begin_speculative_block, add_to_speculative_block,
8117 init_before_recovery, create_recovery_block, create_check_block_twin,
8118 fix_recovery_deps): New static functions to support
8119 generation of recovery code.
8120 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8121 restore_bb_notes, move_block_after_check, move_succs): New static
8122 functions to support ebb scheduling.
8123 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8124 functions to support handling of register live information.
8125 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8126 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8127 add_jump_dependencies): New static functions.
8128 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8129 consistancy checking.
8130 (debug_spec_status): New function to call from debugger.
8131 (priority): Added code to handle speculation checks.
8132 (rank_for_schedule): Added code to distinguish speculative instructions.
8133 (schedule_insn): Added code to handle speculation checks.
8134 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8135 Fixed to handle ebbs.
8136 (move_insn): Added code to handle ebb scheduling.
8137 (max_issue): Added code to use ISSUE_POINTS of instructions.
8138 (choose_ready): Added code to choose between speculative and
8139 non-speculative instructions.
8140 (schedule_block): Added code to handle ebb scheduling and scheduling of
8141 speculative instructions.
8142 (sched_init): Initialize new variables.
8143 (sched_finish): Free new variables. Print statistics.
8144 (try_ready): Added code to handle speculative instructions.
8145 * lists.c (copy_DEPS_LIST_list): New function.
8146 * sched-deps.c (extend_dependency_caches): New function. Move logic
8147 from create_dependency_caches to here.
8148 (get_dep_weak, ds_merge): Make global.
8149 * genattr.c (main): Code to output prototype for
8150 dfa_clear_single_insn_cache.
8151 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8152 (output_dfa_clean_insn_cache_func): Code to output
8153 dfa_clear_single_insn_cache function.
8154 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8156 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8158 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8159 New static variables.
8160 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8161 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8163 (ebb_sched_info): Initialize new fields.
8164 (get_block_head_tail): Adjust all uses.
8165 (compute_jump_reg_dependencies): Fixed to use glat_start.
8166 (schedule_ebb): Code to remove unreachable last block.
8167 (schedule_ebbs): Added code to update register live information.
8168 * sched-rgn.c (region_sched_info): Initialize new fields.
8169 (get_block_head_tail): Adjust all uses.
8170 (last_was_jump): Removed. Adjust users.
8171 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8172 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8173 Implement new hooks.
8174 (check_dead_notes1): New static function.
8175 (struct region): New fields: dont_calc_deps, has_real_ebb.
8176 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8177 (BB_TO_BLOCK): Fixed to handle EBBs.
8178 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8179 (ebb_head): New static variable.
8180 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8181 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8183 (compute_dom_prob_ps): New assertion.
8184 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8185 global_live_at_start.
8186 (init_ready_list): New assertions.
8187 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8188 (new_ready): Add support for BEGIN_CONTROL speculation.
8189 (schedule_insns): Fixed code that updates register live information
8191 (schedule_region): Fixed to handle EBBs.
8192 (init_regions): Use extend_regions and check_dead_notes1.
8193 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8194 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8195 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8196 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8197 TARGET_SCHED_GEN_CHECK,
8198 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8199 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8200 * doc/invoke.texi (max-sched-insn-conflict-delay,
8201 sched-spec-prob-cutoff): Document.
8203 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8205 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8206 inter_tick, queue_index.
8207 (struct sched_info): Change signature of init_ready_list field.
8208 Adjust all initializations.
8209 (RESOLVED_DEPS): New access macro.
8210 (ready_add): Remove prototype.
8211 (try_ready): Add prototype.
8212 * sched-rgn.c (init_ready_list): Use try_ready.
8213 (schedule_region): Initialize
8214 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8215 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8216 (init_ready_list): Use try_ready.
8217 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8218 * lists.c (remove_list_elem): Remove `static'.
8219 (remove_free_INSN_LIST_elem): New function.
8220 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8221 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8222 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8224 (readyp): New variable.
8225 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8226 change_queue_index, resolve_dep): New static functions.
8227 (try_ready): New function. Adjust callers in sched-rgn.c and
8228 sched-ebb.c to use it instead of ready_add.
8229 (clock_var): Move at the begining of file.
8230 (rank_for_schedule): Fix typo.
8231 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8232 (ready_lastpos): Enforce assertion.
8233 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8235 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8236 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8237 (queue_to_ready): Use free_INSN_LIST_list.
8238 (early_queue_to_ready): Fix typo.
8239 (schedule_block): Init readyp. Move init_ready_list call after the
8240 initialization of clock_var. Fix error in rejecting insn by
8241 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8242 that previously corrected INSN_TICKs. Add code for handling
8244 (set_priorities): Fix typo.
8245 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8246 Clarify comment and code that keeps current_sched_info->next_tail
8249 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8251 * sched-rgn.c (extend_rgns): New static function.
8252 (find_rgns): Use it.
8253 (gather_region_statistics, print_region_statistics): New static
8255 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8256 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8258 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8259 Andrey Belevantsev <abel@ispras.ru>
8261 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8262 * lists.c (unused_deps_list): New variable.
8263 (free_list): Add assertions to verify the proper distinguishing
8264 between INSN_LISTs and DEPS_LISTs.
8265 (find_list_elem, remove_list_elem, remove_list_node): New static
8267 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8268 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8269 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8270 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8272 (free_INSN_LIST_node): Likewise.
8273 * modulo-sched.c (current_sched_info): Initialize flags field.
8274 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8275 * rtl.def (DEPS_LIST): Define.
8276 * rtl.h: Declare new functions from lists.c.
8277 * sched-deps.c (spec_dependency_cache): New static variable.
8278 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8279 (add_dependence): Change return type to void. Move the logic to ...
8280 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8281 (delete_all_dependences): Add comment about forward_dependency_cache.
8282 Handle spec_dependency_cache. Handle DEPS_LISTs.
8283 (fixup_sched_groups): Clarify the change of priority of output
8284 and anti dependencies.
8285 (sched_analyze_2): Adjust add_dependence calls to create data
8286 speculative dependence.
8287 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8288 Adjust all callers. Handle DEPS_LISTS.
8289 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8290 presence of speculation.
8291 (init_dependency_caches, free_dependency_caches):
8292 Handle spec_dependency_cache.
8293 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8294 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8295 New static functions.
8296 (add_or_update_back_dep, add_or_update_back_forw_dep,
8297 add_back_forw_dep, delete_back_forw_dep): New functions.
8298 * sched-int.h (ds_t, dw_t): New typedefs.
8299 (struct sched_info): Add new field flags.
8300 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8301 Prototype new sched-deps.c functions.
8302 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8303 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8304 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8305 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8306 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8307 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8309 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8311 * sched-rgn.c (current_sched_info): Initialize flags field.
8312 (schedule_insns): Initialize current_sched_info before the sched_init
8314 * sched-ebb.c (current_sched_info): Initialize flags field.
8315 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8316 Call add_or_update_back_dep instead of add_dependence.
8317 Create control speculative dependencies.
8318 (schedule_insns): Initialize current_sched_info before the sched_init
8321 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8323 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8325 (sh_fallback_frame_state): Likewise.
8327 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8329 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8330 Do switch on default_use_cxa_atexit.
8331 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8332 * config/darwin-crt3.o: New.
8333 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8334 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8335 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8337 * config/rs6000/t-darwin: Move crt2.o building to here.
8338 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8339 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8342 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8344 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8345 from '! xxx' to '!xxx' for coding-style conformance.
8346 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8347 (EXTRA_CONSTRAINT): Likewise.
8348 * config/vax/vax.md (four unnamed insns): Likewise.
8350 2006-03-15 Paul Brook <paul@codesourcery.com>
8352 * config/arm/arm.c (minipool_pad): New.
8353 (add_minipool_forward_ref): Include pool alignment padding in address
8355 (push_minipool_fix): Set minipool_pad.
8356 (minipool_pad): Ditto.
8358 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8360 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8361 instead of GET_CODE() == MEM and REG_P() instead of
8363 (print_operand_address): Likewise.
8364 (vax_address_cost): Likewise.
8365 (vax_rtx_costs): Likewise.
8366 (vax_notice_update_cc): Likewise.
8367 (vax_output_int_add): Likewise.
8368 (INDEX_REGISTER_P): Likewise.
8369 (BASE_REGISTER_P): Likewise.
8370 (nonindexed_address_p): Likewise.
8371 (vax_mode_dependent_address_p): Likewise.
8372 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8373 (PRINT_OPERAND): Likewise.
8374 * config/vax/vax.md (ashlsi3): Likewise.
8375 (ashlsi3): Likewise.
8376 (some more unnamed insns): Likewise.
8378 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8380 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8381 iterator-style macro.
8382 (mark_control_dependent_edges_necessary): Update the use of
8383 EXECUTE_IF_CONTROL_DEPENDENT.
8385 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8387 * config/sh/predicates.md (cache_address_operand): Special.
8388 (ua_address_operand): Likewise.
8390 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8392 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8394 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8396 2006-03-15 Andreas Schwab <schwab@suse.de>
8398 * gensupport.c (identify_predicable_attribute): Don't free p_false
8399 when it is still in use.
8401 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8403 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8404 the default setting here.
8406 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8408 * tree-pass.h (pass_cfg): Remove.
8409 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8410 * passes.c (pass_cfg): Don't run it.
8412 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8414 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8415 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8417 (stack_regs_mentioned): Update the uses of
8418 stack_regs_mentioned_data. Don't access the array beyond its
8420 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8421 Don't include gt-reg-stack.h.
8423 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8424 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8426 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8429 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8432 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8434 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8436 2006-03-14 Richard Guenther <rguenther@suse.de>
8438 PR tree-optimization/26672
8439 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8442 2006-03-14 Richard Guenther <rguenther@suse.de>
8444 PR tree-optimization/26667
8445 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8446 node for the callees. Always allow inlining if it will shrink
8449 2006-03-14 Richard Guenther <rguenther@suse.de>
8452 * builtins.c (get_pointer_alignment): Prefer alignment
8453 information from decls over that from types.
8455 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8458 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8460 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8462 * config/rs6000/rs6000.opt (mdlmzb): New option.
8463 (msched-prolog, msched-epilog): Use Var not Mask.
8464 * doc/invoke.texi (-mdlmzb): Document.
8465 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8467 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8468 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8470 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8472 PR rtl-optimization/25739
8473 * bt-load.c (augment_live_range): Free tos pointer.
8475 * gensupport.c (identify_predicable_attribute): Free
8477 * gcov.c (create_file_names): Free name pointer.
8479 2006-03-13 Roger Sayle <roger@eyesopen.com>
8482 * stmt.c (emit_case_nodes): Handle the case where the index is a
8483 CONST_INT, where the comparison mode is specified by the index type.
8485 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8487 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8490 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8492 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8493 (*branch_fp_inverted): Likewise.
8495 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8498 * omp-low.c (expand_omp_for_generic): Mark istart0
8499 and iend0 as addressable.
8501 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8503 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8505 2006-03-13 Jeff Law <law@redhat.com>
8507 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8508 virtual operands are interesting.
8509 (vrp_visit_stmt): Corresponding changes.
8511 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8513 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8515 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8516 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8517 * config/bfin/crti.S: Use it instead of __PIC__.
8518 * config/bfin/crtn.S: Likewise.
8520 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8521 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8523 Lose 'G' modifier for call operand.
8524 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8525 recognize 'G' modifier.
8527 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8530 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8531 * stmt.c (expand_case): Likewise.
8533 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8535 PR rtl-optimization/26254
8536 * loop-invariant.c (seq_insns_valid_p): New function.
8537 (move_invariant_reg): Only emit new code if it is valid.
8539 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8541 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8543 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8544 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8545 (commit_one_edge_insertion): Do not look for loop notes.
8547 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8549 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8550 flag_test_coverage out of loop.
8552 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8554 * final.c (shorten_branches): Remove outdated comment, and turn
8555 the if branch that guards it to continue.
8557 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8559 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8560 * cfgloop.h (struct loop): Remove unused fields.
8562 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8564 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8565 (-dL, -fdump-rtl-loop2): Update the dump file names
8567 * doc/invoke.texi: Update dump file names.
8569 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8571 * predict.c (estimate_probability): Remove.
8572 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8573 * basic-block.h (estimate_probability): Remove prototype.
8574 * passes.c (finish_optimization_passes): Dump branch prediction or
8575 profiling heuristics to the .profile tree dump.
8576 (init_optimization_passes): Unqueue pass_branch_prob.
8578 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8580 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8582 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8583 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8585 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8587 * function.h (frame_offset_overflow): Declare.
8588 * function.c (frame_offset_overflow): New function.
8589 (assign_stack_local_1): Call it to detect that the offset overflows.
8590 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8592 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8594 * config/sh/sh.c: Include alloc-pool.h.
8595 (label_ref_list_pool): New alloc pool.
8596 (label_ref_list_t): New type for lists of labels.
8597 (struct pool_node): Make wend a label_ref_list_t.
8598 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8600 (dump_table): Likewise.
8601 (sh_reorg): Set up the alloc pool before using add_constant and
8602 dump_table, and destroy it when finishing.
8604 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8606 * config/mips/mips.c: Remove redundant comment.
8608 2006-03-10 Jason Merrill <jason@redhat.com>
8611 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8612 the target was declared 'register'.
8614 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8616 * genpreds.c (write_insn_constraint_len): Change definition of
8617 insn_constraint_len to return size_t to match the declaration.
8619 2006-03-10 DJ Delorie <dj@redhat.com>
8621 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8623 (m32c_expand_insv): Fix test for an AND mask.
8625 2006-03-10 Richard Guenther <rguenther@suse.de>
8628 * builtins.c (get_pointer_alignment): Handle component
8629 references for field alignment.
8631 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8633 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8634 when building with libgloss.
8635 (sh*elf): Implement --without-fp option.
8636 (sh64-superh-linux*): Don't multilib.
8638 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8640 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8642 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8644 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8645 Set it when one of the replacement functions returned true.
8646 Return TODO_cleanup_cfg if cfgchanged is true.
8647 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8649 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8651 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8652 instead of gen_lowpart.
8654 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8656 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8658 (mips_output_order_conditional_branch): Declare.
8659 * config/mips/mips.h (MIPS_BRANCH): New macro.
8660 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8661 for the comparison. Use gen_condjump.
8662 (mips_output_conditional_branch): Rework interface to take the
8663 asm templates for a direct branch and the inverse of a direct branch.
8664 (mips_output_order_conditional_branch): New function.
8665 (mips_builtin_branch_and_move): New function.
8666 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8667 branch condition. Use gen_single_cc as the condition for
8668 __builtin_mips_upper_* or __builtin_mips_lower_*.
8669 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8670 Use VOIDmode for the branch condition.
8671 * config/mips/predicates.md (order_operator): New predicate.
8672 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8673 (branch_fp): Rename to...
8674 (*branch_fp): ...this. Remove mode from comparison operator.
8675 Use new mips_output_conditional_branch interface.
8676 (branch_fp_inverted): Rename to...
8677 (*branch_fp_inverted): ...this and update as for *branch_fp.
8678 (*branch_zero<mode>): Rename to...
8679 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8680 Use mips_output_order_conditional_branch. Only accept ordered
8682 (*branch_zero<mode>_inverted): Rename to...
8683 (*branch_order<mode>_inverted): ...this and update as for
8684 *branch_order<mode>.
8685 (*branch_equality<mode>): Accept zero as the second operand to
8686 the equality operator. Use the new mips_output_conditional_branch
8688 (*branch_equality<mode>_inverted): Likewise.
8689 (condjump): New expander.
8690 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8692 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8693 (bc1any2t, bc1any2f): Likewise.
8694 (single_cc): New expander.
8695 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8697 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8699 * doc/md.texi: Update documentation of MIPS constraints.
8700 * config/mips/constraints.md: New file.
8701 * config/mips/mips.md: Include it.
8702 * config/mips/mips.c (mips_char_to_class): Delete.
8703 (override_options): Don't initialize mips_char_to_class.
8704 * config/mips/mips.h (mips_char_to_class): Delete.
8705 (REG_CLASS_FROM_LETTER): Delete.
8706 (CONST_OK_FOR_LETTER_P): Delete.
8707 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8708 (EXTRA_CONSTRAINT_Y): Delete.
8709 (EXTRA_CONSTRAINT_STR): Delete.
8710 (CONSTRAINT_LEN): Delete.
8711 (EXTRA_MEMORY_CONSTRAINT): Delete.
8713 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8715 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8716 original fn's eh regions.
8718 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8720 * fold-const.c (build_range_check): Make sure to use a valid type to
8721 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8724 (range_predecessor): New static function.
8725 (range_successor): Likewise.
8726 (merge_ranges): Use them to compute predecessors and successors of
8729 2006-03-09 Roger Sayle <roger@eyesopen.com>
8732 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8733 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8735 2006-03-08 DJ Delorie <dj@redhat.com>
8737 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8738 (addpsi3): Expand to include memory operands. Remove
8739 reload-specific splits.
8740 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8741 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8742 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8743 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8744 (shift1_qi, shift1_hi, insv): New.
8745 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8746 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8747 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8749 * config/m32c/m32c-protos.h: Update as needed.
8750 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8751 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8752 Fail for unrecognized R* constraints.
8753 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8754 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8755 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8757 (m32c_init_libfuncs): New.
8758 (m32c_legitimate_address_p): Add debug wrapper.
8759 (m32c_rtx_costs): New.
8760 (m32c_address_cost): New.
8761 (conversions): Add 'B' prefix.
8762 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8763 operands, or word regnames for QI operands. 'B' prints bit
8765 (m32c_expand_setmemhi): New.
8766 (m32c_expand_movmemhi): New.
8767 (m32c_expand_movstr): New.
8768 (m32c_expand_cmpstr): New.
8769 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8770 (m32c_expand_neg_mulpsi3): Handle non-ints.
8771 (m32c_cmp_flg_0): New.
8772 (m32c_expand_movcc): New.
8773 (m32c_expand_insv): New.
8774 (m32c_scc_pattern): New.
8775 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8776 a0/a1 out of SIregs.
8777 (STORE_FLAG_VALUE): New.
8778 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8781 * config/m32c/mov.md: Make constraints more liberal.
8782 (zero_extendqihi2): Optimize r0/r1 case.
8783 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8784 * config/m32c/predicates.md (m32c_any_operand): New.
8785 (m32c_nonimmediate_operand): New.
8786 (m32c_hl_operand): New.
8787 (m32c_r3_operand): New.
8790 (memsym_operand): New.
8791 (memimmed_operand): New.
8792 (a_qi_operand): New.
8793 (m32c_eqne_operator): New.
8794 (m32c_1bit8_operand): New.
8795 (m32c_1bit16_operand): New.
8796 (m32c_1mask8_operand): New.
8797 (m32c_1mask16_operand): New.
8798 * config/m32c/blkmov.md: New file.
8799 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8801 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8803 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8804 unsigned to fix signed/unsigned comparison issue in
8805 DWARF2_FRAME_REG_OUT.
8806 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8807 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8809 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8810 of ptr into the ENABLE_CHECKING section.
8812 2006-03-08 Jeff Law <law@redhat.com>
8814 * tree-vrp.c (infer_value_range): Only count pointer uses
8815 and dereferences if -fdelete-null-pointer-checks is enabled.
8817 * tree-vrp.c (find_assert_locations): Infer value ranges for
8818 single use pointers, but do not create ASSERT_EXPRs for them.
8819 When a non-null range is inferred for a pointer, backwards
8820 propagate that range to other equivalent pointers through the
8823 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8826 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8827 language hook targets.
8828 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8829 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8830 if language hook targets were missing.
8832 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8834 * tree-ssa-opfinalize.h: Removed.
8835 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8837 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8838 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8839 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8840 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8841 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8842 finalize_ssa_v_must_def_ops): New.
8844 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8846 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8849 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8851 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8853 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8854 addresses with offsets; reorganize.
8856 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8857 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8858 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8860 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8863 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8865 2006-03-08 Ben Elliston <bje@au.ibm.com>
8867 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8869 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8872 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8875 2006-03-07 Richard Guenther <rguenther@suse.de>
8877 PR tree-optimization/26587
8878 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8880 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8882 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8884 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8886 * hooks.c (hook_bool_mode_rtx_true): New function.
8887 * hooks.h (hook_bool_mode_rtx_true): Declare.
8888 * toplev.c (compile_file): Call output_shared_constant_pool.
8889 * varasm.c (shared_constant_pool): New variable.
8890 (assemble_start_function, assemble_end_function): Remove arguments
8891 from call to output_constant_pool.
8892 (create_constant_pool): New function, split out from...
8893 (init_varasm_status): ...here.
8894 (force_const_mem): Choose between the shared and per-function constant
8895 pools. Set current_function_uses_const_pool when reusing old entries
8896 as well as when creating new ones.
8897 (mark_constant): Ignore data argument.
8898 (mark_constants): Remove pool argument.
8899 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8900 to decide whether the function uses a constant pool.
8901 (output_constant_pool_contents): New function, split out from...
8902 (output_constant_pool): ...here.
8903 (output_shared_constant_pool): New function.
8904 (init_varasm_once): Initialize shared_constant_pool.
8905 * output.h (output_constant_pool): Delete.
8906 (output_shared_constant_pool): Declare.
8907 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8908 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8910 2006-03-06 Nick Clifton <nickc@redhat.com>
8912 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8913 flag_strength_reduce.
8915 2006-03-06 Ben Elliston <bje@au.ibm.com>
8917 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8918 x86_64-*-linux* configurations.
8920 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8921 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8923 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8925 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8927 * basic-block.h: Remove the extern for
8928 rediscover_loops_after_threading.
8930 * cfgloop.c (cancel_loop): Make it static.
8931 * cfgloop.h: Remove the prototype for cancel_loop.
8933 * flow.c (recompute_reg_usage): Make it static.
8934 * rtl.h: Remove the prototype for recompute_reg_usage.
8936 * function.c (use_return_register): Make it static.
8937 * function.h: Remove the prototype.
8939 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8941 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8943 * recog.h: Remove the prototype for
8944 validate_change_maybe_volatile.
8946 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8948 * rtlanal.c (replace_reg): Remove.
8949 * rtl.h: Remove the prototype for replace_reg.
8951 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8953 * regclass.c (reg_scan_update): Remove.
8954 (reg_scan_mark_refs): Remove the last argument.
8955 * rtl.h: Remove the prototype for reg_scan_update.
8957 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8959 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8960 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8961 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8962 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8963 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8964 loop-invariant.c, omp-low.c, opts.c, passes.c,
8965 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8966 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8967 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8968 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8969 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8970 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8972 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8974 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8975 * dwarf2out.h: Remove the prototype for
8976 dwarf2out_add_library_unit_info.
8978 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8980 * tree.c (add_var_to_bind_expr): Remove.
8981 * tree.h: Remove the prototype for add_var_to_bind_expr.
8983 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8985 * regclass.c (n_non_fixed_regs): Remove.
8986 (init_reg_sets_1, globalize_reg): Remove all uses of
8988 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8990 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8992 * rtlanal.c (insns_safe_to_move_p): Remove.
8993 * rtl.h: Remove the prototype for insns_safe_to_move_p.
8995 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8997 * expmed.c (expand_mult_add): Remove.
8998 * expr.h: Remove the prototype for expand_mult_add.
9000 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9002 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9003 and REG_SAVED_VAL_EXP constants.
9004 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9005 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9006 Handle regs stored by value.
9007 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9008 (execute_cfa_program): Handle DW_CFA_val_offset,
9009 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9010 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9011 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9012 (uw_install_context_1): Handle target regs stored by value.
9014 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9016 * tree-sra.c (tree_sra): Return todoflags;
9017 (generate_one_element): Set TODO_update_smt_usage if needed.
9018 (pass_sra): Remove TODO_update_smt_usage.
9019 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9021 (tree_ssa_forward_propagate_single_use_vars): Return
9022 TODO_update_smt_usage if we need to update SMT usage.
9023 (pass_forwprop): Remove TODO_update_smt_usage.
9025 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9027 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9028 (correct_use_link): Remove reference to get_stmt_operands.
9029 (update_stmt_operands): Likewise.
9030 (get_modify_expr_operands): New function factored out of
9031 parse_ssa_operands and get_expr_operands.
9032 Try to create V_MUST_DEFs for LHS by default.
9033 (get_expr_operands) <case MODIFY_EXPR>: Call
9034 get_modify_expr_operands.
9035 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9036 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9037 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9038 get_modify_expr_operands.
9040 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9042 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9043 * tree-flow.h: Remove the prototype for
9044 referenced_var_lookup_if_exists.
9046 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9048 PR rtl-optimization/26345
9050 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9052 2006-03-03 Roger Sayle <roger@eyesopen.com>
9054 PR tree-optimization/26524
9055 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9056 fold_convert to create a constant of the appropriate type.
9058 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9060 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9061 SYMBOL_REF_IN_BLOCK_P.
9062 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9063 of SYMBOL_FLAG_IN_BLOCK.
9064 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9065 instead of SYMBOL_REF_IN_BLOCK_P.
9066 * explow.c (use_anchored_address): Likewise.
9067 * rtl.c (rtx_size): Likewise.
9068 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9069 instead of SYMBOL_FLAG_IN_BLOCK.
9070 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9071 SYMBOL_REF_IN_BLOCK_P.
9072 (assemble_variable): Likewise.
9073 (output_constant_def_contents): Likewise.
9074 (output_constant_pool): Likewise.
9075 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9076 instead of SYMBOL_FLAG_IN_BLOCK.
9077 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9078 SYMBOL_REF_IN_BLOCK_P.
9079 (SYMBOL_REF_BLOCK): Likewise.
9080 (SYMBOL_REF_OFFSET): Likewise.
9081 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9082 SYMBOL_REF_IN_BLOCK_P.
9083 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9084 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9085 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9086 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9088 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9090 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9092 2006-03-02 Roger Sayle <roger@eyesopen.com>
9094 * simplify-rtx.c (simplify_unary_operation): When simplifying
9095 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9096 that we perform the right shift in the appropriate mode, and
9097 then extend or truncate the result to requested mode.
9099 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9101 * gengtype.c (main): Handle double_int type.
9102 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9103 * double-int.c: New file.
9104 * double-int.h: New file.
9105 * system.h: Include doubleint.h.
9106 * Makefile.in (SYSTEM_H): Include double-int.h.
9107 (double-int.o): Add.
9109 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9112 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9115 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9117 * tree-vrp.c (remove_range_assertions): Do not update statements
9120 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9122 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9124 * gcse.c (rest_of_handle_gcse): Ditto.
9125 * except.c (gate_handle_eh): Ditto.
9126 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9127 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9129 2006-03-02 Eric Christopher <echristo@apple.com>
9131 * config/i386/i386.c (machopic_output_stub): Add indirection to
9134 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9138 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9140 Sun Niagara specific optimizations.
9141 * config.gcc: Recognize niagara as target.
9142 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9143 (TARGET_CPU_niagara): Define.
9144 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9145 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9146 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9147 (ASM_CPU_SPEC): Likewise.
9148 (PROCESSOR_NIAGARA): New enum entry.
9149 (REGISTER_MOVE_COST): Handle Niagara.
9150 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9151 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9152 (sparc_override_options): Recognize "niagara", set appropriate
9153 default MASK_* values for it, and align functions to 32-bytes
9154 by default just like ULTRASPARC/ULTRASPARC3.
9155 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9156 (sparc64_initialize_trampoline): Likewise.
9157 (sparc_use_sched_lookahead): Use zero for niagara.
9158 (sparc_issue_rate): Use one for niagara.
9159 * config/sparc/niagara.md: New file.
9160 * config/sparc/sparc.md: Include it.
9161 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9162 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9163 when default cpu is niagara.
9164 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9165 (ASM_CPU_SPEC): Likewise.
9166 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9167 when default cpu is niagara.
9168 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9169 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9170 just like v9/ultrasparc/ultrasparc3.
9171 * doc/invoke.texi: Add documentation for "niagara" and improve
9172 existing documentation for ultrasparc variants.
9174 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9176 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9178 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9180 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9181 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9182 and say that only one is needed.
9183 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9184 * target.h (have_switchable_bss_sections): New hook.
9185 * explow.c (use_anchored_address): Check that the symbol is in a block.
9186 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9187 (bss_noswitch_section): New variables.
9188 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9189 (get_noswitch_section): New function.
9190 (get_block_for_section): Allow SECT to be null.
9191 (unlikely_text_section_p): Use SECTION_STYLE.
9192 (bss_initializer_p): New function.
9193 (get_variable_section): Move earlier in file. Take a new argument,
9194 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9195 Return one of the new *_sections in such cases.
9196 (get_block_for_decl): New function, extracting some logic from
9197 use_blocks_for_decl_p.
9198 (change_symbol_section): Remove in favor of...
9199 (change_symbol_block): ...this new function.
9200 (use_blocks_for_decl_p): Remove checks now performed by
9202 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9203 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9204 (emit_local, emit_bss, emit_common): ...these new functions.
9205 Return true if the alignment was honored.
9206 (emit_tls_common): New function.
9207 (asm_emit_uninitialised): Delete.
9208 (assemble_variable_noswitch): New function, split out from...
9209 (assemble_variable): ...here. Don't make decisions about common
9210 variables here. Globalize all public decls that go into non-common
9211 sections. Check whether SYMBOL_REF_BLOCK is null.
9212 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9213 (output_constant_pool): Likewise.
9214 (init_varasm_once): Initialize the new section variables.
9215 (have_global_bss_p): New function.
9216 (categorize_decl_for_section): Use bss_initializer_p.
9217 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9218 (place_block_symbol): Assert that the symbol must be in a block.
9219 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9220 (TARGET_INITIALIZER): Include it.
9221 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9222 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9223 (SECTION_MACH_DEP): Bump by two.
9224 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9225 (unnamed_section): Mention SECTION_UNNAMED in comment.
9226 (named_section): Likewise SECTION_NAMED.
9227 (noswitch_section_callback): New type.
9228 (noswitch_section): New structure.
9229 (section): Add a noswitch_section alternative.
9230 (SECTION_STYLE): New macro.
9231 (tls_comm_section, comm_section, lcomm_section): Declare.
9232 (bss_noswitch_section, have_global_bss_p): Declare.
9233 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9234 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9236 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9237 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9240 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9242 * tree-vrp.c (execute_vrp): Return value.
9243 * regrename.c (rest_of_handle_regrename): Ditto.
9244 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9245 * tree-complex.c (tree_lower_complex): Ditto.
9246 (tree_lower_complex_O0): Ditto.
9247 * tracer.c (rest_of_handle_tracer): Ditto.
9248 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9249 * postreload.c (rest_of_handle_postreload): Ditto.
9250 * tree-tailcall.c (execute_tail_recursion): Ditto.
9251 (execute_tail_calls): Ditto.
9252 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9253 * tree.h (init_function_for_compilation): Ditto.
9254 * ipa-cp.c (ipcp_driver): Ditto.
9255 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9256 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9257 * final.c (compute_alignments): Ditto.
9258 (rest_of_handle_final): Ditto.
9259 (rest_of_handle_shorten_branches): Ditto.
9260 (rest_of_clean_state): Ditto.
9261 * omp-low.c (execute_expand_omp): Ditto.
9262 (execute_lower_omp): Ditto.
9263 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9264 * ipa-reference.c (static_execute): Ditto.
9265 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9266 * reorg.c (rest_of_handle_delay_slots): Ditto.
9267 (rest_of_handle_machine_reorg): Ditto.
9268 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9269 * flow.c (recompute_reg_usage): Ditto.
9270 (rest_of_handle_remove_death_notes): Ditto.
9271 (rest_of_handle_life): Ditto.
9272 (rest_of_handle_flow2): Ditto.
9273 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9274 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9275 (do_ssa_store_ccp): Ditto.
9276 (execute_fold_all_builtins): Ditto.
9277 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9278 * modulo-sched.c (rest_of_handle_sms): Ditto.
9279 * ipa-pure-const.c (static_execute): Ditto.
9280 * cse.c (rest_of_handle_cse): Ditto.
9281 (rest_of_handle_cse2): Ditto.
9282 * web.c (rest_of_handle_web): Ditto.
9283 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9284 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9285 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9286 * tree-nrv.c (tree_nrv): Ditto.
9287 (execute_return_slot_opt): Ditto.
9288 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9289 (create_structure_vars): Ditto.
9290 * loop-init.c (rtl_loop_init): Ditto.
9291 (rtl_loop_done): Ditto.
9292 (rtl_move_loop_invariants): Ditto.
9293 (rtl_unswitch): Ditto.
9294 (rtl_unroll_and_peel_loops): Ditto.
9295 (rtl_doloop): Ditto.
9296 * gimple-low.c (lower_function_body): Ditto.
9297 (mark_used_blocks): Ditto.
9298 * tree-ssa-sink.c (execute_sink_code): Ditto.
9299 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9300 (cgraph_early_inlining): Ditto.
9301 * global.c (rest_of_handle_global_alloc): Ditto.
9302 * jump.c (cleanup_barriers): Ditto.
9303 (purge_line_number_notes): Ditto.
9304 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9305 (rest_of_handle_if_after_reload): Ditto.
9306 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9307 (tree_ssa_loop_im): Ditto.
9308 (tree_ssa_loop_unswitch): Ditto.
9309 (tree_vectorize): Ditto.
9310 (tree_linear_transform): Ditto.
9311 (tree_ssa_loop_ivcanon): Ditto.
9312 (tree_ssa_empty_loop): Ditto.
9313 (tree_ssa_loop_bounds): Ditto.
9314 (tree_complete_unroll): Ditto.
9315 (tree_ssa_loop_prefetch): Ditto.
9316 (tree_ssa_loop_ivopts): Ditto.
9317 (tree_ssa_loop_done): Ditto.
9318 * predict.c (tree_estimate_probability): Ditto.
9319 * recog.c (split_all_insns_noflow): Ditto.
9320 (rest_of_handle_peephole2): Ditto.
9321 (rest_of_handle_split_all_insns): Ditto.
9322 * tree-eh.c (lower_eh_constructs): Ditto.
9323 * regmove.c (rest_of_handle_regmove): Ditto.
9324 (rest_of_handle_stack_adjustments): Ditto.
9325 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9326 * function.c (instantiate_virtual_regs): Ditto.
9327 (init_function_for_compilation): Ditto.
9328 (rest_of_handle_check_leaf_regs): Ditto.
9329 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9330 (rest_of_handle_gcse): Ditto.
9331 * ipa-type-escape.c (type_escape_execute): Ditto.
9332 * alias.c (rest_of_handle_cfg): Ditto.
9333 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9334 * profile.c (rest_of_handle_branch_prob): Ditto.
9335 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9336 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9337 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9338 * tree-dfa.c (find_referenced_vars): Ditto.
9339 * except.c (set_nothrow_function_flags): Ditto.
9340 (convert_to_eh_region_ranges): Ditto.
9341 (rest_of_handle_eh): Ditto.
9342 * emit-rtl.c (unshare_all_rtl): Ditto.
9343 (remove_unnecessary_notes): Ditto.
9344 * except.h (set_nothrow_function_flags): Ditto.
9345 (convert_to_eh_region_ranges): Ditto.
9346 * cfgexpand.c (tree_expand_cfg): Ditto.
9347 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9348 * tree-ssa-pre.c (do_pre): Ditto.
9349 (execute_fre): Ditto.
9350 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9351 (rest_of_handle_jump2): Ditto.
9352 * tree-sra.c (tree_sra): Ditto.
9353 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9354 (execute_mudflap_function_decls): Ditto.
9355 * tree-ssa-copy.c (do_copy_prop): Ditto.
9356 (do_store_copy_prop): Ditto.
9357 * ipa-prop.h (ipcp_driver): Ditto.
9358 * cfglayout.c (insn_locators_initialize): Ditto.
9359 * tree-ssa-forwprop.c
9360 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9361 * cfglayout.h (insn_locators_initialize): Ditto.
9362 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9363 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9364 (execute_late_warn_uninitialized): Ditto.
9365 * rtl.h (cleanup_barriers): Ditto.
9366 (split_all_insns_noflow): Ditto.
9367 (purge_line_number_notes): Ditto.
9368 (unshare_all_rtl): Ditto.
9369 (remove_unnecessary_notes): Ditto.
9370 (recompute_reg_usage): Ditto.
9371 (variable_tracking_main): Ditto.
9372 * integrate.c (emit_initial_value_sets): Ditto.
9373 * integrate.h (emit_initial_value_sets): Ditto.
9374 * tree-optimize.c (execute_free_datastructures): Ditto
9375 (execute_free_cfg_annotations): Ditto.
9376 (execute_fixup_cfg): Ditto.
9377 (execute_cleanup_cfg_pre_ipa): Ditto.
9378 (execute_cleanup_cfg_post_optimizing): Ditto.
9379 (execute_init_datastructures): Ditto.
9380 * tree-object-size.c (compute_object_sizes): Ditto.
9381 * combine.c (rest_of_handle_combine): Ditto.
9382 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9383 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9384 (rest_of_handle_reorder_blocks): Ditto.
9385 (rest_of_handle_partition_blocks): Ditto.
9386 * var-tracking.c (variable_tracking_main): Ditto.
9387 * tree-profile.c (tree_profiling): Ditto.
9388 * tree-vect-generic.c (expand_vector_operations): Ditto.
9389 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9390 * sched-rgn.c (rest_of_handle_sched): Ditto.
9391 (rest_of_handle_sched2): Ditto.
9392 * basic-block.h (free_bb_insn): Ditto.
9393 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9394 * tree-cfg.c (execute_build_cfg): Ditto.
9395 (remove_useless_stmts): Ditto.
9396 (split_critical_edges): Ditto.
9397 (execute_warn_function_return): Ditto.
9398 (execute_warn_function_noreturn): Ditto.
9399 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9400 * cfgrtl.c (free_bb_for_insn): Ditto.
9401 * passes.c (execute_one_pass): Run additional
9402 todos returned by execute function.
9403 * tree-pass.h (struct tree_opt_pass): Make execute
9406 2006-03-02 Richard Guenther <rguenther@suse.de>
9408 * tree-ssa-alias.c (find_used_portions): Consider taking
9409 the address as making the variable not write-only.
9411 2006-03-02 Nick Clifton <nickc@redhat.com>
9413 * config.gcc (default_use_cxa_atexit): Extend the description of
9414 this configure variable. Set its default value to "yes" for
9415 Linux, NetBSD and ELF targets on the assumption that they will
9416 use C libraries with the __cxa_atexit function.
9418 2006-03-02 Ben Elliston <bje@au.ibm.com>
9420 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9421 parameter as unused to suppress a build warning.
9423 2006-03-02 Ben Elliston <bje@au.ibm.com>
9425 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9428 2006-03-01 Roger Sayle <roger@eyesopen.com>
9431 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9432 declared name, the weak reference name, and the typeof name.
9433 (__gthrw): Avoid expanding the declared name suffix.
9434 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9436 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9438 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9440 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9441 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9442 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9443 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9444 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9445 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9446 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9447 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9448 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9449 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9450 (DW_END_default, DW_END_big, DW_END_little): New.
9451 (DW_END_lo_user, DW_END_hi_user): Define.
9452 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9453 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9454 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9457 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9459 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9461 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9463 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9465 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9467 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9468 to 'symbol_mem_tag'.
9470 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9473 2006-03-01 Roger Sayle <roger@eyesopen.com>
9475 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9477 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9480 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9481 MACHO_DYNAMIC_NO_PIC_P.
9482 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9484 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9487 * config/darwin-protos.h (darwin_asm_output_anchor):
9489 * config/darwin-sections.def (cstring_section):
9490 Add SECTION_MERGE to the flags.
9491 (literal4_section): Likewise.
9492 (literal8_section): Likewise.
9493 (objc_selector_refs_section): Likewise.
9494 (objc_cls_refs_section): Likewise.
9495 * config/darwin.c (darwin_asm_output_anchor): New
9497 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9499 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9501 Fix PR tree-optimization/26443
9502 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9503 to todo and PROP_tmt_usage to properties_destroyed.
9504 * tree-ssa-ccp.c (pass_ccp): Ditto.
9505 (pass_store_ccp): Ditto.
9506 * tree-ssa-dom.c (pass_dominator): Ditto.
9508 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9510 * tree-ssa-operands.c: Cleanup whitespace.
9511 (get_asm_expr_operands): Move before first invocation.
9512 (get_indirect_ref_operands): Likewise.
9513 (get_tmr_operands): Likewise.
9514 (get_call_expr_operands): Likewise.
9515 (append_def): Likewise.
9516 (append_use): Likewise.
9517 (append_v_may_def): Likewise.
9518 (append_v_must_def): Likewise.
9519 (add_call_clobber_ops): Likewise.
9520 (add_call_read_ops): Likewise.
9521 (add_stmt_operand): Likewise.
9522 (add_virtual_operand): Likewise.
9523 (build_ssa_operands): Likewise.
9525 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9530 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9531 with a call expr to ...
9532 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9534 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9536 * tree-vrp.c (extract_range_from_assert): Remove special
9537 handling for types with super-types.
9539 2006-03-01 Ben Elliston <bje@au.ibm.com>
9541 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9542 and powerpc64-*-linux* configurations.
9543 * config/t-dfprules: New file.
9545 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9546 Compile dfp-bit.c from the source directory using -DWIDTH and
9547 $DFP_CFLAGS to control the compilation of that file, rather than
9548 generating width-specific versions in the build directory.
9549 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9550 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9552 2006-02-28 Zack Weinberg <zackw@panix.com>
9554 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9557 2006-02-28 Eric Christopher <echristo@apple.com>
9559 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9560 Set up IN_LIBGCC definition of TARGET_64BIT.
9561 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9563 2006-02-28 Roger Sayle <roger@eyesopen.com>
9566 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9567 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9568 cases via the construction of "expr != 0".
9570 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9572 * alias.c (alias_invariant, alias_invariant_size): Remove.
9573 (record_base_value): Remove.
9574 (memrefs_conflict_p): Don't look at alias_invariant.
9575 (end_alias_analysis): Don't free it.
9576 * alias.h (record_base_value): Remove prototype.
9578 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9579 Adam Nemet <anemet@caviumnetworks.com>
9581 * rtl.h (truncated_to_mode): Declare it.
9582 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9583 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9584 (RTL_HOOKS_INITIALIZER): Include it.
9585 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9586 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9587 reg_truncated_to_mode.
9588 * rtlanal.c (truncated_to_mode): Define it.
9589 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9591 2006-02-28 Jeff Law <law@redhat.com>
9593 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9594 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9595 the range allowed by TYPE_PRECISION.
9597 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9599 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9601 PR tree-optimization/26419
9602 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9605 2006-02-27 Zack Weinberg <zackw@panix.com>
9607 * doc/md.texi: Fix typo in previous change.
9609 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9613 2006-02-27 Zack Weinberg <zackw@panix.com>
9615 * rtl.def (define_constraint, define_register_constraint)
9616 (define_memory_constraint, define_address_constraint): New MD forms.
9617 * gensupport.c (process_rtx): Put define_constraint etc on the
9619 * genpreds.c (process_define_predicate): Adjust comment. Validate
9620 the name, and call validate_exp to validate the expression.
9621 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9622 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9623 all callers changed.
9624 (validate_exp, needs_variable, struct constraint_data)
9625 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9626 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9627 (const_dbl_constraints, constraint_max_namelen)
9628 (have_register_constraints, have_memory_constraints)
9629 (have_address_constraints, have_address_constraints)
9630 (have_extra_constraints, have_const_int_constraints)
9631 (have_const_dbl_constraints, mangle, add_constraint)
9632 (process_define_constraint, process_define_register_constraint)
9633 (write_enum_constraint_num, write_lookup_constraint)
9634 (write_insn_constraint_len, write_regclass_for_constraint)
9635 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9636 (write_insn_extra_memory_constraint)
9637 (write_insn_extra_address_constraint)
9638 (write_satisfies_constraint_fns): New.
9639 (write_tm_preds_h): If we have new-style constraint definitions,
9640 prototype the functions generated from them, and define the
9641 old constraint interface (still used by generic code) in terms of
9643 (write_insn_preds_c): If we have new-style constraint definitions,
9644 generate all relevant functions from those definitions.
9645 (main): Handle define_constraint etc.
9646 * genoutput.c (struct constraint_data, indep_constraints)
9647 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9648 (mdep_constraint_len): New data structures and functions, defined
9649 #ifdef USE_MD_CONSTRAINTS.
9650 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9651 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9652 use new logic to validate operand constraints against constraint
9654 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9656 * defaults.h: If none of the old-style constraint macros are
9657 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9658 old-style macros; and poison REG_CLASS_FROM_LETTER,
9659 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9661 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9662 * doc/md.texi: Document new constraint-definition mechanism and the
9663 C interface it provides. Remove references to old mechanism
9664 elsewhere in the document.
9665 (Machine Constraints): Use pathnames relative to gcc directory,
9666 i.e. config/ARCH/FILE. Change i386 section to refer to
9667 config/i386/predicates.md; update that section to match docstrings.
9668 * doc/tm.texi: Move all documentation of the old constraint-
9669 definition macros to their own section, clearly mark as obsolete.
9671 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9672 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9674 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9675 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9676 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9678 (splits and peepholes): Use satisfies_constraint_*.
9679 * config/i386/i386.c (memory_address_length)
9680 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9682 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9684 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9685 scalar operation to be put back into the loop.
9687 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9690 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9691 (extract_cie_info): Handle S flag in augmentation string.
9692 (execute_cfa_program): If context->signal_frame, execute also
9693 fs->pc == context->ra instructions.
9694 (uw_frame_state_for): If context->signal_frame, don't subtract one
9695 from context->ra to find FDE.
9696 (uw_update_context_1): Set context->signal_frame to
9698 (_Unwind_GetIPInfo): New function.
9699 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9700 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9702 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9703 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9704 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9705 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9706 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9707 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9708 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9709 x86_64_fallback_frame_state): Set fs->signal_frame.
9710 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9711 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9712 (frob_update_context): Likewise. Workaround missing S flag in
9713 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9714 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9715 Remove the psw_addr + 1 hack.
9717 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9719 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9720 with aggregates here.
9721 (find_func_aliases): Remove code for &<aggregate> from here.
9723 2006-02-26 Roger Sayle <roger@eyesopen.com>
9725 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9726 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9727 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9730 2006-02-26 Roger Sayle <roger@eyesopen.com>
9733 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9735 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9737 * opts.c (decode_options): Do not handle flag_strength_reduce.
9738 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9739 and OPT_fstrength_reduce.
9740 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9741 flag_prefetch_loop_arrays for being nonzero.
9742 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9744 (fprefetch-loop-arrays-rtl): Removed.
9745 (flag_prefetch_loop_arrays): Do not specify the value.
9747 * doc/passes.texi: Update documentation of loop optimizer
9749 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9750 -frerun-loop-opt): Remove.
9752 2006-02-26 Richard Guenther <rguenther@suse.de>
9754 PR tree-optimization/26421
9755 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9756 in function calls that are ADDR_EXPRs as using the whole structure.
9758 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9760 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9761 * tree-pass.h (pass_loop_optimize): Remove.
9762 * passes.c (pass_loop_optimize): Never run it.
9763 * toplev.c (backend_init): Don't call init_loop.
9764 * opts.c (flag_loop_optimize_set): Remove.
9765 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9766 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9767 the old RTL loop optimizer when profiling enabled.
9768 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9769 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9770 pre-headers for the sake of the old RTL loop optimizer.
9771 * Makefile.in: Remove all references to loop.o.
9773 * doc/invoke.texi: Remove all references to -floop-optimize
9774 and -frerun-loop-opt.
9776 2006-02-26 Zack Weinberg <zackw@panix.com>
9778 * doc/md.texi (Machine Constraints): Refer to all files with paths
9779 relative to gcc directory (i.e. config/CPU/file). Add missing
9780 @table @code ... @end table to M32C subsection.
9782 2006-02-26 Roger Sayle <roger@eyesopen.com>
9784 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9786 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9788 2006-02-26 Roger Sayle <roger@eyesopen.com>
9789 James A. Morrison <phython@gcc.gnu.org>
9792 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9793 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9794 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9795 signedness of the shift operation.
9797 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9799 PR tree-optimization/26359
9800 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9802 2006-02-25 Roger Sayle <roger@eyesopen.com>
9804 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9805 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9806 as X == 0, and some symmetry related transformations.
9807 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9809 2006-02-25 Roger Sayle <roger@eyesopen.com>
9812 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9813 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9814 symmetry related transformations. Fold (X^C1) == C2 as
9817 2006-02-25 Juergen Weigert <jw@suse.de>
9818 Richard Guenther <rguenther@suse.de>
9820 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9822 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9824 * combine.c (gen_lowpart_or_truncate): Call
9825 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9827 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9829 * doc/invoke.texi: Move -fopenmp description to "Options for
9831 Remove reference to -lgomp.
9833 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9835 * doc/install.texi: Require GNU tar version 1.14.
9837 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9839 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9840 * doc/invoke.texi (C++ Dialect Options): Document
9841 -fno-use-cxa-get-exception-ptr.
9842 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9843 * configure: Regenerate.
9844 * c.opt (fuse-cxa-get-exception-ptr): New.
9845 * c-opts.c (c_common_handle_option): Handle
9846 OPT_fuse_cxa_get_exception_ptr.
9847 * c-common.c (flag_use_cxa_atexit): Update documentation.
9848 (flag_use_cxa_get_exception_ptr): New.
9849 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9850 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9852 (C_COMMON_OVERRIDE_OPTIONS): New.
9854 2006-02-24 Roger Sayle <roger@eyesopen.com>
9857 * combine.c (try_combine): Explicitly check whether GET_CODE is
9858 a SET or a CLOBBER, instead on checking that it isn't a USE.
9860 2006-02-24 Roger Sayle <roger@eyesopen.com>
9862 * fold-const.c (fold_comparison): New subroutine of fold_binary
9863 containing transformations common to both the equality and
9864 ordering relational operators, factored out of fold_binary.
9865 (fold_binary): Separate out the equality operators (EQ_EXPR
9866 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9867 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9868 transformations common to both.
9869 (fold_div_compare): Fix latent bugs in the previously unreachable
9870 LT_EXPR and GE_EXPR cases.
9872 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9874 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9875 decl libname for clog to __clog on AIX.
9877 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9879 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9882 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9883 output traceback table for thunks. Localise rs6000_stack_info call.
9885 2006-02-23 Roger Sayle <roger@eyesopen.com>
9886 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9888 * gthr-posix.h (__gthrw): Fix typo in comment.
9890 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9892 * doc/cpp.texi (Character sets): Document that we do support
9893 input files to be in any character set.
9895 2006-02-23 Jeff Law <law@redhat.com>
9897 * tree.h (PHI_ARG_NONZERO): Remove.
9898 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9899 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9900 node to the new node.
9902 PR tree-optimization/26425
9903 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9904 min/max, then assume its varying.
9906 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9908 PR rtl-optimization/26316
9909 * rtlanal.c (enum may_trap_p_flags): New.
9910 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9911 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9912 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9913 (may_trap_after_code_motion_p): New function.
9914 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9915 (find_invariant_insn): Use may_trap_after_code_motion_p.
9916 * rtl.h (may_trap_after_code_motion_p): Declare.
9918 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9920 * emit-rtl.c (immed_double_const): Cleanup.
9922 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9924 Fix PR tree-optimization/26376
9925 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9928 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9931 * gimplify.c (omp_add_variable): Guard variable size decl test with
9932 DECL_SIZE (decl) check.
9934 2006-02-23 Richard Guenther <rguenther@suse.de>
9937 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9938 like aggregate types.
9940 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9942 * configure.ac: Add --with{,out}-long-double-128 configure option.
9943 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9944 * configure: Rebuilt.
9945 * config.in: Rebuilt.
9946 * doc/install.texi (Options specification): Document
9947 --with-long-double-128.
9949 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9950 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9951 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9952 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9954 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9956 * config/s390/s390.c (override_options): Handle
9957 TARGET_DEFAULT_LONG_DOUBLE_128.
9959 * config/alpha/alpha.c (override_options): Handle
9960 TARGET_DEFAULT_LONG_DOUBLE_128.
9962 * config/sparc/sparc.c (sparc_override_options): Handle
9963 TARGET_DEFAULT_LONG_DOUBLE_128.
9965 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9967 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9968 (real-install-headers-tar, real-install-headers-cpio)
9969 (real-install-headers-cp): New targets.
9971 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9973 * tree.h (variable_section): Delete.
9974 * varasm.c (variable_section): Delete.
9976 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9978 * install.texi: Add notes on install.texi2html.
9979 (Building in parallel): Do not use footnotes.
9981 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9984 * doc/install.texi (Configuration): Document --disable-libgomp.
9986 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9988 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9990 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9992 * config/i386/sse.md (vec_extractv2df_1_sse): New.
9993 (vec_extractv2df_0_sse): New.
9995 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9997 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
9998 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
9999 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10000 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10001 to the result of the expression.
10002 (def_cfa_1): Adjust.
10003 (frame_pointer_cfa_offset): Rename to...
10004 (frame_pointer_fb_offset): ... this. Adjust all uses.
10005 (convert_cfa_to_loc_list): Rename to...
10006 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10007 Pass it on to build_cfa_loc.
10008 (compute_frame_pointer_to_cfa_displacement): Rename to...
10009 (compute_frame_pointer_to_fb_displacement): ... this. New
10010 offset parameter. Use it in computation.
10011 (gen_subprogram_die): Compute cfa_fb_offset with the new
10012 macro, and use it to compute the fb loc list and the
10015 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10017 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10018 replaced with register_operand.
10019 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10020 non-DREG is expensive.
10021 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10022 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10025 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10027 * doc/install.texi2html: Use set -e.
10029 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10031 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10032 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10033 * doc/invoke.texi (-fshared-data): Delete.
10034 * common.opt (fshared-data): Delete.
10035 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10036 (assemble_static_space): Remove #if 0 code.
10037 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10038 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10039 * config/cris/cris.h: Remove FIXME.
10041 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10043 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10046 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10048 PR middle-end/26379
10049 * combine.c (simplify_shift_const_1): Disable nested shifts
10050 optimization for vector shifts.
10052 2006-02-20 Roger Sayle <roger@eyesopen.com>
10054 PR tree-optimization/26361
10055 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10056 of unsigned integer types.
10058 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10060 * tree-chrec.c (eq_evolutions_p): New.
10061 * tree-chrec.h (eq_evolutions_p): Declared.
10062 * tree-data-ref.c: Fix formatting.
10063 (datadep_stats, dependence_stats): New.
10065 (print_direction_vector): New.
10066 (dump_data_dependence_relation): Use print_direction_vector.
10067 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10068 (compute_subscript_distance): Static.
10069 (initialize_data_dependence_relation): Static. Get the number
10070 of loops surrounding the references from the callers, and initialize
10071 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10072 base_object_differ_p analyzers.
10073 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10074 compute_overlap_steps_for_affine_1_2,
10075 analyze_subscript_affine_affine): Count the classified dependences.
10076 Print a message when a test failed.
10077 (can_use_analyze_subscript_affine_affine): New.
10078 (analyze_siv_subscript): Compute the data dependences on symbolic
10079 scevs that verify can_use_analyze_subscript_affine_affine.
10080 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10081 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10082 Handle symbolic scevs.
10083 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10085 (subscript_dependence_tester): Moved...
10086 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10087 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10088 DDR_SIZE_VECT instead of getting it in parameter.
10089 (subscript_dependence_tester): ... here. Take as a parameter
10090 loop_nest_depth. Call build_classic_dist_vector and
10091 build_classic_dir_vector.
10092 (compute_affine_dependence): Update subscript_dependence_tester
10093 parameters. Update datadep_stats counters. Call
10094 compute_subscript_distance.
10095 (compute_self_dependence): Save the dist and dir vectors. Call
10096 compute_subscript_distance.
10097 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10098 (compute_all_dependences): Reorder parameters as they were before
10099 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10100 compute_subscript_distance. Update the use of
10101 compute_affine_dependence and initialize_data_dependence_relation.
10102 (find_data_references_in_loop): Handle COMPONENT_REF.
10103 (compute_data_dependences_for_loop): Initialize dependence_stats.
10104 Don't call build_classic_dist_vector and build_classic_dir_vector.
10105 Update the parameters of initialize_data_dependence_relation and
10106 compute_all_dependences. Print the statistics from datadep_stats.
10107 (analyze_all_data_dependences): Static. Not used until the pass for
10108 checking the data dependences is contributed.
10109 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10110 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10111 (initialize_data_dependence_relation, compute_affine_dependence,
10112 analyze_all_data_dependences, compute_subscript_distance): Removed.
10113 (print_direction_vector): New.
10114 * lambda.h (gcd): ... here.
10115 (lambda_vector_gcd): Moved here from gcd_vector.
10116 * lambda-code.c (gcd, gcd_vector): Removed.
10117 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10118 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10120 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10122 * ipa-type-escape.c: Tidy some comments and white space.
10123 * tree-ssa-operands.c: Likewise.
10125 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10128 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10129 (dump_decl_name): Do not walk the decl tree chains.
10130 * tree-pass.h (TDF_CHAIN): Remove.
10132 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10134 * Makefile.in (C): Remove
10136 (.PHONY): Remove C and PROTO
10138 2006-02-20 Roger Sayle <roger@eyesopen.com>
10140 PR middle-end/26236
10141 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10142 deprecated CHAR_TYPE tree code.
10144 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10146 * configure.ac (target_list): Add install-info, dvi, html.
10147 * configure: Regenerate.
10149 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10150 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10151 treelang/Make-lang.in: Do not use double-colon rules.
10153 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10155 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10156 (TMT_USED_ALONE): New macro.
10157 * tree-pass.h (PROP_tmt_usage): New property.
10158 (TODO_update_tmt_usage): New todo.
10159 * tree-ssa-alias.c (updating_used_alone): New variable.
10160 (recalculate_used_alone): New function.
10161 (compute_may_aliases): Set updating_used_alone, call
10162 recalculate_used_alone.
10163 * tree-sra.c (pass_sra): Note that this pass destroys
10164 PROP_tmt_usage, and add TODO_update_tmt_usage.
10165 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10166 * tree-flow.h (updating_used_alone): Prototype.
10167 (recalculate_used_alone): Ditto.
10168 * passes.c (execute_todo): Add code to set updating_used_alone,
10169 and call recalculate.
10170 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10171 for clobber if used alone, and add assert to verify used_alone
10174 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10176 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10177 for non tls symbols added.
10178 (legitimize_address): Do nothing for PLUS expressions if one of the
10179 addends is a tls symbol reference.
10181 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10185 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10187 * Makefile.in (BOOTSTRAPPING): New.
10188 (quickstrap): New definition if BOOTSTRAPPING=yes.
10190 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10191 * configure.ac: Substitute all_selected_languages with the languages
10192 that were configured. For all the other variables except
10193 lang_specs_files, include all the languages in the tree.
10194 * configure: Regenerate.
10196 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10197 if there is one. Run the commands to run fixincludes in the same
10200 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10201 * doc/install.texi: Document exact conventions for searching target tools.
10202 Document --with-build-time-tools. Document toplevel bootstrap. Document
10203 something more about building an Ada cross-compiler. Don't list GNU Make
10204 requirements which affect all platforms.
10206 2006-02-19 Roger Sayle <roger@eyesopen.com>
10208 PR middle-end/19543
10209 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10210 only equivalent if the have both the same mode and precision.
10212 2006-02-20 Ben Elliston <bje@au.ibm.com>
10214 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10216 2006-02-19 Roger Sayle <roger@eyesopen.com>
10217 Steven Bosscher <stevenb.gcc@gmail.com>
10219 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10220 constant pool references to identify stack mode constants.
10221 * rtlanal.c (constant_pool_constant_p): New predicate to check
10222 whether operand is a floating point constant in the pool.
10223 * rtl.h (constant_pool_constant_p): Prototype here.
10224 * loop.c (scan_loop): Avoid hoisting constants from the constant
10225 pool on STACK_REGS targets.
10226 (load_mems): Likewise.
10227 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10228 loads into x87 registers expensive in terms of register pressure.
10230 2006-02-19 Roger Sayle <roger@eyesopen.com>
10232 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10233 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10235 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10237 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10238 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10240 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10242 * doc/invoke.texi: Document -fipa-pta.
10243 * common.opt: Add ipa-pta option.
10244 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10245 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10246 (do_ds_constraint): Ditto.
10247 (get_constraint_for): Only add to referenced_vars if
10248 referenced_vars exists.
10249 (insert_into_field_list): Rewrite to do this unsorted.
10250 (insert_into_field_list_sorted): Rename old insert_into_field_list
10252 (create_function_info_for): Use insert_into_field_list_sorted.
10253 (create_variable_info_for): Rewrite so it uses unsorted version,
10254 since the field list is sorted.
10255 (intra_create_variable_infos): Only add to referenced_vars if
10256 referenced_vars exists.
10257 (ipa_pta_execute): Init heapvars, and delete when done.
10258 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10260 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10262 * doc/install.texi: Add missing `@samp'.
10264 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10266 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10269 2006-02-18 Mark Wielaard <mark@klomp.org>
10271 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10272 who added new 4.1 features, bug fixes and integration support.
10274 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10277 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10278 MEM for ABI_V4 pic.
10280 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10282 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10283 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10284 (copy_insn_1): Likewise. Don't copy each field individually.
10286 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10288 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10289 * rtl.c (rtx_size): Rename variable to...
10290 (rtx_code_size): ...this.
10291 (rtx_size): New function.
10292 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10293 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10295 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10296 * rtl.h (rtx_code_size): New variable.
10297 (rtx_size): Change from a variable to a function.
10298 (RTX_SIZE): Rename to...
10299 (RTX_CODE_SIZE): ...this.
10302 PR tree-optimization/17106
10303 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10304 (Anchored Addresses): New section.
10305 * doc/invoke.texi (-fsection-anchors): Document.
10306 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10307 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10308 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10309 * hooks.c (hook_bool_mode_rtx_false): New function.
10310 * hooks.h (hook_bool_mode_rtx_false): Declare.
10311 * gengtype.c (create_optional_field): New function.
10312 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10313 SYMBOL_REF_IN_BLOCK_P is true.
10314 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10315 (min_anchor_offset, max_anchor_offset): Likewise.
10316 (use_anchors_for_symbol_p): New hook.
10317 * toplev.c (compile_file): Call output_object_blocks.
10318 (target_supports_section_anchors_p): New function.
10319 (process_options): Check that -fsection-anchors is only used on
10320 targets that support it and when -funit-at-a-time is in effect.
10321 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10322 if the decl doesn't have one.
10323 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10324 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10325 of force_const_mem through use_anchored_address.
10326 (expand_expr_constant): New function.
10327 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10328 calling expand_expr for INDIRECT_REF.
10329 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10330 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10331 * expr.h (use_anchored_address): Declare.
10332 * loop-unroll.c: Don't declare rtx vectors here.
10333 * explow.c: Include output.h.
10334 (validize_mem): Call use_anchored_address.
10335 (use_anchored_address): New function.
10336 * common.opt (-fsection-anchors): New switch.
10337 * varasm.c (object_block_htab, anchor_labelno): New variables.
10338 (hash_section, object_block_entry_eq, object_block_entry_hash)
10339 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10340 (use_blocks_for_decl_p, change_symbol_section): New functions.
10341 (get_variable_section): New function, split out from assemble_variable.
10342 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10343 use_blocks_for_decl_p say so. Use change_symbol_section if the
10344 symbol has already been created.
10345 (assemble_variable_contents): New function, split out from...
10346 (assemble_variable): ...here. Don't output any code for
10347 block symbols; just pass them to place_block_symbol.
10348 Use get_variable_section and assemble_variable_contents.
10349 (get_constant_alignment, get_constant_section, get_constant_size): New
10350 functions, split from output_constant_def_contents.
10351 (build_constant_desc): Create a block symbol if use_object_blocks_p
10352 says so. Or into SYMBOL_REF_FLAGS.
10353 (assemble_constant_contents): New function, split from...
10354 (output_constant_def_contents): ...here. Don't output any code
10355 for block symbols; just pass them to place_section_symbol.
10356 Use get_constant_section and get_constant_alignment.
10357 (force_const_mem): Create a block symbol if use_object_blocks_p and
10358 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10359 (output_constant_pool_1): Add an explicit alignment argument.
10360 Don't switch sections here.
10361 (output_constant_pool): Adjust call to output_constant_pool_1.
10362 Switch sections here instead. Don't output anything for block symbols;
10363 just pass them to place_block_symbol.
10364 (init_varasm_once): Initialize object_block_htab.
10365 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10366 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10367 (place_block_symbol, get_section_anchor, output_object_block)
10368 (output_object_block_htab, output_object_blocks): New functions.
10369 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10370 (TARGET_ASM_OUT): Include it.
10371 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10372 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10373 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10374 (TARGET_INITIALIZER): Include them.
10375 * rtl.c (rtl_check_failed_block_symbol): New function.
10376 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10377 (block_symbol, object_block): New structures.
10378 (rtx_def): Add a block_symbol field to the union.
10379 (BLOCK_SYMBOL_CHECK): New macro.
10380 (rtl_check_failed_block_symbol): Declare.
10381 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10382 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10383 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10384 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10385 * output.h (output_section_symbols): Declare.
10386 (object_block): Name structure.
10387 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10388 (default_use_anchors_for_symbol_p): Declare.
10389 * Makefile.in (RTL_BASE_H): Add vec.h.
10390 (explow.o): Depend on output.h.
10391 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10392 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10393 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10394 (rs6000_use_blocks_for_constant_p): New function.
10396 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10398 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10400 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10403 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10406 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10408 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10412 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10414 PR middle-end/26334
10415 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10416 instead of DECL_REGISTER.
10418 2006-02-18 Olivier Hainque <hainque@adacore.com>
10421 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10423 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10426 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10427 * opth-gen.awk: Handle Var and InverseMask together.
10428 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10429 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10430 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10431 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10433 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10434 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10435 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10436 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10437 LINUX_DYNAMIC_LINKER): Define.
10438 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10439 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10441 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10442 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10443 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10444 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10445 (TARGET_C99_FUNCTIONS): Don't define.
10446 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10447 GLIBC_DYNAMIC_LINKER.
10448 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10449 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10450 GLIBC_DYNAMIC_LINKER64): Define.
10451 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10452 LINUX_DYNAMIC_LINKER64.
10453 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10454 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10455 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10456 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10457 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10458 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10459 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10460 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10461 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10462 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10463 and LINUX_DYNAMIC_LINKER32.
10464 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10465 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10466 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10467 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10468 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10470 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10471 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10472 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10473 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10474 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10475 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10476 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10477 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10478 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10479 LINUX_DYNAMIC_LINKER): Define.
10480 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10481 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10482 GLIBC_DYNAMIC_LINKER64): Define.
10483 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10484 LINUX_DYNAMIC_LINKER64.
10485 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10486 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10487 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10488 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10489 LINUX_DYNAMIC_LINKER): Define.
10490 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10491 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10492 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10493 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10494 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10495 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10496 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10497 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10498 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10499 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10500 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10501 * doc/invoke.texi (-muclibc): Remove caveat about supported
10504 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10506 * doc/cpp.texi (__TIMESTAMP__): Document.
10508 2006-02-17 Roger Sayle <roger@eyesopen.com>
10510 PR middle-end/25600
10511 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10512 C is one less than the width of X (and related transformations).
10513 * simplify-rtx.c (simplify_unary_operation_1): Transform
10514 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10515 depending on STORE_FLAG_VALUE, were C is one less then the
10518 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10520 Fix PR tree-optimization/26341
10521 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10522 about NAME_MEMORY_TAG's.
10524 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10527 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10528 with hardware float support, and software float support. Add fcpy
10529 alternative to hardware patterns. Add alternatives to copy between
10530 general and floating-point registers to the 32-bit pattern.
10531 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10532 secondary reload to load a QI or HI mode constant into a floating
10534 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10535 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10537 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10540 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10542 (load_macho_picbase_di): Likewise.
10544 2006-02-16 Jeff Law <law@redhat.com>
10546 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10547 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10548 (ssa_name_nonzero_p): Likewise.
10549 (get_value_range): Return NULL if VRP is not running.
10550 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10551 VRP routines do not discover a range.
10552 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10553 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10554 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10555 (tree_expr_nonnegative_p): Similarly.
10556 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10557 (restore_nonzero_vars_to_original_value): Remove.
10558 (unsafe_associative_fp_binop): Remove.
10559 (tree_ssa_dominator_optimize): Remove initialization and
10560 finalization of nonzero_vars and nonzero_vars_stack.
10561 (dom_opt_initialize_block): No longer push marker on
10562 nonzero_vars_stack.
10563 (dom_opt_finalize_block): No longer call
10564 restore_nonzero_vars_to_original_value.
10565 (record_equivalences_from_phis): No longer look for
10566 nonzero PHI arguments.
10567 (cprop_into_successor_phis): No longer propagate nonzero
10568 property into PHI arguments. Lose unused argument. Caller
10570 (record_equivalences_from_stmt): No longer record nonzero
10571 values for SSA_NAMEs.
10572 (lookup_avail_expr): No longer use nonzero_vars.
10574 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10575 for sizetype when sizetype is unsigned.
10577 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10579 PR rtl-optimization/25603
10580 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10581 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10582 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10583 with new meaning of SETS.
10585 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10590 * config/linux.opt: New file.
10591 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10592 LINUX_DYNAMIC_LINKER): Define.
10593 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10594 * config.gcc (*-*-linux*): Define extra_options.
10595 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10596 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10597 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10598 GLIBC_DYNAMIC_LINKER.
10599 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10600 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10601 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10602 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10603 * doc/invoke.texi (GNU/Linux Options): New section.
10605 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10607 * config/sparc/sparc.md (setjmp): Rewrite.
10608 (setjmp_32): Delete.
10609 (setjmp_64): Likewise.
10611 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10613 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10616 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10618 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10621 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10623 PR rtl-optimization/26296
10624 * Makefile.in (loop-invariant.c): Add except.h dependency.
10625 * loop-invariant.c: Include except.h.
10626 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10628 2005-02-16 Paul Brook <paul@codesourcery.com>
10630 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10633 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10635 PR rtl-optimization/25636
10636 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10637 when deciding whether an insn is an initializing insn.
10639 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10641 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10642 (tree_code_size): Ditto.
10643 * tree.h (struct tree_memory_tag): Remove parent_var.
10644 (struct tree_struct_field_tag): New.
10647 (union tree_node): Add sft member.
10648 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10650 (create_sft): Add size and offset argument, set SFT_OFFSET and
10652 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10653 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10654 * tree-flow-inline.h (get_subvar_at): Update for
10655 SFT_OFFSET/SFT_SIZE.
10656 (var_can_have_subvars): Ditto.
10657 (overlap_subvar): Ditto.
10658 * print-tree.c (print_node): Print out interesting things for
10660 * tree-flow.h (struct subvar): Remove offset and size members.
10661 * tree-ssa-operands.c (get_expr_operands): Update for
10662 get_indirect_ref_operands changes.
10663 (get_indirect_ref_operands): Call add_virtual_operand instead of
10664 add_stmt_operand. Only recurse on base var if requested.
10665 (access_can_touch_variable): New function.
10666 (add_stmt_operand): Split virtual operand handling into ...
10667 (add_virtual_operand): Here. Add offset, size, and for_clobber
10668 arguments. Prune alias sets.
10669 (add_call_clobber_ops): Call add_virtual_operand.
10671 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10673 PR middle-end/26300
10674 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10676 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10677 than TREE_CODE as index into omp_clause_num_ops array.
10679 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10681 PR rtl-optimization/26184
10682 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10684 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10685 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10686 must_precede, must_follow and tobe_scheduled.
10689 * opts.c (common_handle_option): Free new_option pointer.
10690 * df-core.c (df_analyze): Free postorder pointer.
10692 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10694 * Makefile.in: Fix the examples about the use of stamps
10696 2006-02-15 Michael Matz <matz@suse.de>
10698 PR middle-end/22275
10700 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10701 influenced by maximum_field_alignment or DECL_PACKED.
10702 (update_alignment_for_field): Ditto.
10703 (place_field): Ditto.
10704 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10707 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10709 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10710 (debug_flow_info): Pass it.
10711 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10712 * bb-reorder.c (reorder_basic_blocks): Likewise.
10713 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10714 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10715 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10716 * gcse.c (gcse_main, bypass_jumps): Likewise.
10717 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10718 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10719 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10720 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10721 * rtl.h (dump_flow_info): Adjust prototype.
10722 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10723 * var-tracking.c (variable_tracking_main): Likewise.
10724 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10725 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10728 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10730 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10733 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10735 PR tree-optimization/26209
10736 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10737 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10739 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10741 2006-02-14 Roger Sayle <roger@eyesopen.com>
10743 PR middle-end/23670
10744 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10745 (X,Y) and the corresponding symmetry related transformations.
10746 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10747 (X,Y) and its symmetry related transformations.
10749 2006-02-14 Roger Sayle <roger@eyesopen.com>
10751 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10754 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10756 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10758 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10761 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10762 support COMDAT group.
10763 * configure: Regenerate.
10765 2006-02-14 Roger Sayle <roger@eyesopen.com>
10767 PR middle-end/26279
10768 PR middle-end/26280
10769 PR middle-end/26283
10770 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10772 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10774 Fix PR tree-optimization/26260
10776 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10778 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10779 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10780 * tree-ssa-structalias.c (create_variable_info_for): Use
10781 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10783 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10785 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10787 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10788 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10789 of the ending condition.
10790 * tree-ssa-loop-manip.c: Include params.h.
10791 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10792 tree_unroll_loop): New functions.
10793 * tree-pass.h (pass_loop_prefetch): Declare.
10794 * loop.c (rest_of_handle_loop_optimize): Test for
10795 -fprefetch-loop-arrays-rtl.
10796 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10797 * timevar.def (TV_TREE_PREFETCH): New timevar.
10798 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10799 pass_loop_prefetch): New.
10800 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10801 (cleanup_tree_cfg_loop): Call scev_reset.
10802 * common.opt (fprefetch-loop-arrays-rtl): Add.
10803 * tree-ssa-loop-prefetch.c: New file.
10804 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10805 (new_temp_expr_table): Initialize expr_vars.
10806 (free_temp_expr_table): Cleanup expr_vars.
10807 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10808 expressions from being merged into one.
10809 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10810 (struct tree_niter_desc): Add control, bound and cmp fields.
10811 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10813 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10814 (tree-cfgcleanup.o): Add SCEV_H dependency.
10815 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10816 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10818 2006-02-14 Richard Guenther <rguenther@suse.de>
10820 PR tree-optimization/26258
10821 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10822 in PHI argument processing.
10824 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10826 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10827 new expression in the requested machine mode.
10829 2006-02-13 Roger Sayle <roger@eyesopen.com>
10831 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10832 directly, instead let do_compare_rtx_and_jump handle this for us.
10833 * expr.c (expand_expr_real_1): Likewise.
10834 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10835 before do_jump_by_parts_greater.
10836 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10837 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10839 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10841 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10843 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10845 PR rtl-optimization/26235
10846 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10847 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10850 2006-02-13 Jeff Law <law@redhat.com>
10852 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10855 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10857 PR middle-end/26092
10858 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10859 twice if decl is a builtin. When trying again, call get_callee_fndecl
10860 first to verify it is still a builtin.
10862 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10864 * dwarf2out.c (base_type_die): Don't add AT_name here.
10865 (subrange_type_die): Don't add AT_name here.
10866 (modified_type_die): Rearrange code flow. Do add AT_name here.
10868 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10870 PR rtl-optimization/26247
10871 PR rtl-optimization/26248
10872 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10874 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10876 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10877 * config/fixtfdi.c: Likewise.
10878 * config/fixunstfdi.c: Likewise.
10879 * config/floatditf.c: Likewise.
10881 2006-02-13 Roger Sayle <roger@eyesopen.com>
10883 PR middle-end/24427
10884 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10885 into (X,C2) if C1 is a subset of the bits of C2. Transform
10886 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10888 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10890 2006-02-13 Josh Conner <jconner@apple.com>
10893 * varasm.c (function_section): Check for section name before
10894 calling select_section on targets that define
10895 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10896 unlikely_text_section instead of hot_function_section if
10897 first_function_block_is_cold.
10899 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10901 PR middle-end/25335
10902 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10904 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10906 PR rtl-optimization/26222
10907 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10908 after tree->rtl expansion.
10909 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10910 before passing it to emit_move_insn.
10912 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10914 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10916 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10917 Clarify documentation.
10918 * c-common.h (warn_write_strings): Remove.
10919 * c-common.c (warn_write_strings): Likewise.
10920 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10923 2006-02-12 Roger Sayle <roger@eyesopen.com>
10925 PR middle-end/25724
10926 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10927 (do_jump_parts_zero_rtx): New function renamed from
10928 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10929 (do_jump_parts_equality_rtx): New function split out from
10930 do_jump_parts_equality. Old implementation renamed as above.
10931 Call do_jump_parts_zero_rtx if either operand is zero.
10932 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10933 do all of the heavy lifting.
10934 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10935 calling either do_jump_by_parts_greater_rtx or
10936 do_jump_by_parts_equality_rtx.
10937 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10938 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10939 moved to do_compare_rtx_and_jump, call it directly.
10940 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10941 mode argument. Call do_compare_rtx_and_jump.
10942 (emit_case_nodes): Update calls to do_jump_if_equal.
10944 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10946 PR rtl-optimization/26225
10947 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10949 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10951 PR rtl-optimization/26232
10952 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10954 2006-02-11 Jason Merrill <jason@redhat.com>
10957 * tree-inline.c (declare_return_variable): Just don't use the
10958 modify target if it's a gimple complex reg and the return slot
10961 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10963 * doc/contrib.texi: Update my entry.
10965 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10967 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10969 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10971 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10974 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10976 * doc/invoke.texi (-floop-optimize2): Removed.
10977 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10978 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10979 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10980 * common.opt (floop-optimize2): Removed.
10981 (fmove-loop-invariants): Enabled by default.
10983 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10985 * tree-if-conv.c (combine_blocks): Free the result of
10986 get_loop_exit_edges.
10988 2006-02-10 Jeff Law <law@redhat.com>
10990 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10992 PR tree-optimization/26213
10993 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
10994 loop trying to follow SSA_NAME_VALUE chains.
10996 2006-02-10 Richard Guenther <rguenther@suse.de>
10998 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
10999 deal with structures that end in implicitly variable sized arrays.
11001 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11003 PR rtl-optimization/24762
11004 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11007 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11009 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11010 (struct ivopts_data): Add regs_used field.
11011 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11012 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11013 instead of loop_data->regs_used;
11014 (free_loop_data): Do not free aux fields for loops.
11015 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11016 and tree_ssa_iv_optimize_finalize.
11018 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11020 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11022 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11025 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11026 computing the effective result type.
11028 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11030 PR inline-asm/16194
11031 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11032 (tree_overlaps_hard_reg_set): Declare.
11033 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11034 type and signature to match function type expected by walk_tree.
11035 (tree_overlaps_hard_reg_set): New function.
11036 (decl_conflicts_with_clobbers_p): Rename to:
11037 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11038 Use tree_overlaps_hard_reg_set. Changed caller.
11039 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11040 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11041 * cris.c (cris_md_asm_clobbers): Likewise.
11043 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11045 * reload1.c (emit_input_reload_insns): Delete code that tries to
11046 inherit using find_equiv_reg.
11048 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11050 * c-common.h (flag_const_strings): Don't declare.
11051 * c-common.c (flag_const_strings): Remove.
11052 * c.opt (fconst_strings): Remove.
11053 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11054 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11055 (c_common_init_options): Don't set flag_const_strings.
11056 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11058 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11060 * arm.md (tlobits_cbranch): New pattern.
11061 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11062 testing a single bit.
11064 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11067 * tree-ssa-pre.c (create_component_ref_by_pieces):
11068 Handle RETURN_DECL like VAR_DECL.
11070 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11072 PR middle-end/26134
11073 * fold-const.c (fold_indirect_ref_1): Fold
11074 "*(foo *)&complexfoo" to "__real__ complexfoo"
11075 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11077 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11079 * tree-flow-inline.h (var_can_have_subvars):
11080 Volatile variables should not have subvariables.
11082 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11085 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11086 multiplying unsigned values.
11089 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11091 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11093 2006-02-08 Jason Merrill <jason@redhat.com>
11096 * tree.def: Elaborate on difference from MODIFY_EXPR.
11097 * doc/c-tree.texi (INIT_EXPR): Likewise.
11098 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11099 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11100 (gimplify_target_expr): Likewise.
11101 (gimplify_cond_expr): Remove target handling.
11102 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11103 (gimplify_expr): Clobber it here.
11104 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11105 Do return slot optimization if we have an INIT_EXPR.
11108 * tree-inline.c (declare_return_variable): Also clear
11109 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11112 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11114 PR middle-end/22439
11115 * gimplify.c (gimplify_one_sizepos): Fix typo.
11117 2006-02-08 Jeff Law <law@redhat.com>
11119 PR tree-optimization/21417
11120 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11121 across a backedge if the control statement at the end of the
11122 block is data dependent on other statements in the same block.
11123 (record_temporary_equivalences_from_stmts): Remove over-conservative
11124 test for threading across backedges.
11126 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11127 control statement, handle all three special cases in the same
11128 manner as they all have the same desired solution. No longer
11129 special case edge flag updating when the post dominator is
11132 2006-02-08 Roger Sayle <roger@eyesopen.com>
11134 * tree.def (CHAR_TYPE): Remove.
11135 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11136 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11137 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11138 (gen_string_type_die): Delete unreachable function.
11140 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11141 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11142 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11143 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11144 * builtins.c (type_to_class): Likewise.
11145 * fold-const.c (fold_convert, build_range_check,
11146 merge_ranges): Likewise.
11147 * expr.c (count_type_elements): Likewise.
11148 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11149 * stor-layout.c (layout_type): Likewise.
11150 * ipa-type-escape.c (type_to_consider): Likewise.
11151 * gimplify.c (omp_firstprivatize_type_sizes,
11152 gimplify_type_sizes): Likewise.
11153 * explow.c (promote_mode): Likewise.
11154 * tree-sra.c (is_sra_scalar_type): Likewise.
11155 * varasm.c (output_constant): Likewise.
11156 * tree-inline.c (remap_type_1): Likewise.
11157 * convert.c (convert_to_pointer, convert_to_real,
11158 convert_to_integer, convert_to_complex): Likewise.
11160 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11162 * df-scan.c (df_def_record_1): A set destination may
11163 be a parallel regardless of mode.
11165 2006-02-08 Roger Sayle <roger@eyesopen.com>
11168 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11169 * config/mips/_tilib.c: Remove.
11170 * config/fixtfdi.c: New libgcc source file.
11171 * config/fixunstfdi.c: New source file.
11172 * config/floatditf.c: New source file.
11173 * config/floatunditf.c: New souce file.
11174 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11175 files above instead of config/mips/_tilib.c.
11176 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11178 2006-02-08 Jeff Law <law@redhat.com>
11180 PR tree-optimization/26169
11181 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11184 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11186 * df.h (DF_REG_SIZE): Return the length of the initialized
11189 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11191 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11192 __muldf3): Return a correctly signed zero.
11194 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11196 * passes.c (register_one_dump_file): Accept the current properties
11197 instead of pass number. Adjust call to dump_register. Remove
11199 (register_dump_files): Now a wrapper around...
11200 (register_dump_files_1): ... this one. Do not modify the pass
11202 (next_pass_1): Cosmetic fix.
11203 (execute_todo): Keep second parameter only. Use curr_properties
11204 instead of fetching it from the pass structure. Check and set
11206 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11207 instead of fetching it from the pass structure. Fix calls to
11208 execute_todo. Update curr_properties and initialize .vcg RTL dump
11209 after running the pass. Reset last_verified.
11210 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11212 (FIRST_AUTO_NUMBERED_DUMP): New.
11213 (dump_register): Remove "num" parameter, assign it within the
11215 (get_dump_file_name): Modify template for dumps.
11216 * tree-dump.h (dump_register): Adjust prototype.
11217 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11218 (PROP_trees): Add PROP_gimple_lomp.
11219 (TODO_set_props): New.
11220 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11221 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11222 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11224 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11226 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11227 (sparc64-*-linux*): Likewise.
11228 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11229 * config/sparc/t-linux: New file.
11230 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11231 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11232 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11233 -m32 -mlong-double-128.
11235 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11236 * config/alpha/t-linux: New file.
11237 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11239 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11240 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11241 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11242 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11243 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11244 (CPP_ARCH32_SPEC): Remove.
11246 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11248 PR tree-optimization/26145
11249 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11252 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11255 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11256 >= 240000 when generating code for SOM runtime.
11257 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11258 to $$dyncall when generating code for SOM runtime..
11260 2006-02-07 Dirk Mueller <dmueller@suse.com>
11263 * doc/invoke.texi (-Wsequence-point): Update documentation
11264 that -Wsequence-point is implemented for C++ as well.
11266 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11268 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11269 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11270 (LIB_SPEC): Likewise.
11271 * doc/invoke.texi (SPARC options): Document -pthread.
11273 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11275 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11278 2006-02-07 Roger Sayle <roger@eyesopen.com>
11280 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11281 Correct comment describing BOOLEAN_TYPE.
11283 2006-02-07 Dirk Mueller <dmueller@suse.com>
11285 * c.opt: C++ frontend supports -Wdiv-by-zero.
11286 * c-opts.c (c_common_handle_option): Remove dead case.
11288 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11290 * configure.ac (TLS assembler check): Do not enable TLS by
11291 default on SPARC/Solaris before version 10.
11292 * configure: Regenerate.
11294 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11296 * doc/invoke.texi (xl-compat): Document conversion and support
11299 2006-02-07 Jeff Law <law@redhat.com>
11301 * tree-vrp.c (find_conditional_asserts): Update comments.
11302 (simplify_stmt_for_jump_threading): New.
11303 (identify_jump_threads, finalize_jump_threads): New.
11304 (vrp_finalize): Call identify_jump_threads.
11305 (execute_vrp): Call finalize_jump_threads.
11306 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11307 (vrp_element, vrp_data, vrp_element_p): Remove.
11308 (vrp_hash_elt, vrp_variables_stack): Remove.
11309 (vrp_hash, vrp_eq, record_range): Remove.
11310 (simplify_cond_and_lookup_avail_expr): Remove.
11311 (extract_range_from_cond): Remove.
11312 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11313 (simplify_stmt_for_jump_threading): New.
11314 (dom_thread_across_edge): New wrapper.
11315 (tree_ssa_dominator_optimize): No longer initialize or
11316 finalize any of the VRP datastructures. Remove iteration
11317 step and simplify as a result of removal of iteration step.
11318 (pass_dominator): Perform a cfg cleanup after DOM.
11319 (dom_opt_finalize_block): Use the new common routines
11320 for threading jumps. Simplify stack management slightly.
11321 No longer need to unwind VRP state.
11322 (record_equivalences_from_incoming_edge): No longer record
11324 (eliminate_redundant_computations): No longer call
11325 simplify_cond_and_lookup_avail_expr.
11326 * tree-flow.h (potentially_threadable_block): Prototype.
11327 (thread_across_edge): Likewise.
11328 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11329 (tree-ssa-threadedge.o): Add dependencies.
11330 * tree-ssa-threadedge.c: New file.
11331 * passes.c (init_optimization_passes): Merge PHIs before
11332 calling VRP. Run VRP again late in the SSA optimization pipeline.
11334 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11336 * df-core.c (df_set_blocks): Do not dereference function pointers.
11337 (df_finish1): Likewise.
11338 (df_hybrid_search_forward): Likewise.
11339 (df_hybrid_search_backward): Likewise.
11340 (df_iterative_dataflow): Likewise.
11341 (df_analyze_problem): Likewise.
11342 (df_compact_blocks): Likewise.
11343 (df_dump): Likewise.
11344 * df-scan.c (df_rescan_blocks): Likewise.
11345 (df_record_entry_block_defs): Likewise.
11347 * genconditions.c (write_conditions): Guard the definition of
11348 'insn_conditions' with the check on GCC version.
11349 (write_writer): Guard the traversal 'insn_conditions' with
11350 the check on GCC version.
11352 2006-02-07 Richard Guenther <rguenther@suse.de>
11356 2006-01-30 Richard Guenther <rguenther@suse.de>
11358 * gimplify.c (gimplify_target_expr): Handle easy cases
11359 without creating a temporary.
11361 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11363 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11364 use of float in probability computations. Use edge probabilities
11365 in place of statically computed probabilities.
11366 (min_spec_prob): New static variable.
11367 (schedule_insns): Initialize it.
11368 (GET_SRC_PROB): Removed.
11369 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11371 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11374 * config/ia64/unwind-ia64.c: Revert last change.
11375 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11376 (INCOMING_FRAME_SP_OFFSET): Define.
11378 2006-02-06 Roger Sayle <roger@eyesopen.com>
11380 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11382 2006-02-07 Ben Elliston <bje@au.ibm.com>
11384 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11385 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11386 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11387 (ix86_return_in_memory): Handle TDmode.
11388 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11389 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11391 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11393 * reorg.c (dbr_schedule): Use dump_file instead of file.
11395 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11398 * config/ia64/predicates.md (extr_len_operand): New predicate.
11399 * config/ia64/ia64.md (extv): Tighten constraints.
11401 (*tbit_and_2): Ditto.
11402 (*tbit_and_3): Ditto.
11403 (*tbit_or_2): Ditto.
11404 (*tbit_or_3): Ditto.
11405 (*bit_zero): Ditto.
11408 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11411 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11413 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11415 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11416 loop_optimizer_init and loop_optimizer_finalize
11417 * tree-ssa-sink.c (execute_sink_code): Ditto.
11418 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11419 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11420 tree_ssa_loop_done): Ditto.
11421 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11422 * sched-ebb.c: Include output.h.
11423 (schedule_ebbs): Do not use dump argument.
11424 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11425 * loop.c (loop_dump_stream): Removed.
11426 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11428 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11429 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11430 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11431 loop_iterations, strength_reduce, record_biv, record_giv,
11432 final_giv_value, check_final_value, check_ext_dependent_givs,
11433 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11434 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11435 dump_file instead of loop_dump_stream.
11436 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11437 argument dump_file.
11438 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11440 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11441 * haifa-sched.c: Include output.h
11442 (schedule_insns, sched_init): Do not use dump argument.
11443 * mode-switching.c (optimize_mode_switching): Ditto.
11444 * modulo-sched.c (stats_file): Removed.
11445 (print_node_sched_params): Do not call argument dump_file.
11446 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11447 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11449 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11451 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11452 rtl_loop_init, rtl_loop_done): Ditto.
11453 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11454 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11456 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11457 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11458 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11459 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11460 * emit-rtl.c (renumber_insns): Ditto.
11461 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11462 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11463 * regclass.c (regclass): Ditto.
11464 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11465 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11466 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11467 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11469 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11470 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11472 * gcse.c (gcse_file, debug_stderr): Removed.
11473 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11474 rest_of_handle_gcse): Do not use dump argument.
11475 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11476 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11477 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11478 compute_code_hoist_vbeinout, compute_code_hoist_data,
11479 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11480 compute_store_table, build_store_vectors, insert_insn_start_bb,
11481 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11482 store_motion): Use dump_file instead of gcse_file.
11483 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11484 * profile.c (profile_dump_file): Removed.
11485 (branch_prob): Use dump_file instead of profile_dump_file.
11486 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11488 * tree-ssa-copy.c (dump_copy_of): Ditto.
11489 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11490 dump file to life_analysis.
11491 * bt-load.c (branch_target_load_optimize): Ditto.
11492 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11494 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11495 regclass, dbr_schedule): Declaration changed.
11496 * sched-int.h (sched_init): Declaration changed.
11497 * tree-profile.c (tree_profile_dump_file): Removed.
11498 (tree_profile_hooks): Removed profile_dump_file hook.
11499 * rtl-profile (rtl_profile_dump_file): Removed.
11500 (rtl_profile_hooks): emoved profile_dump_file hook.
11501 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11503 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11504 * tree-cfg.c (build_tree_cfg): Ditto.
11505 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11506 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11507 Declaration changed.
11508 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11509 life_analysis and schedule_insns.
11510 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11512 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11514 * config/mips/mips.c (mips_reorg): Ditto.
11515 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11518 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11520 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11521 (s390_mangle_fundamental_type): New.
11522 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11525 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11526 (alpha_mangle_fundamental_type): New.
11527 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11530 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11532 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11534 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11535 (sparc_mangle_fundamental_type): New.
11537 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11539 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11540 (s390x-*-linux*): Likewise.
11541 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11542 * config/s390/t-linux: New file.
11544 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11546 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11547 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11549 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11551 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11552 (ANTIC_SAFE_LOADS): New macro.
11553 (find_or_generate_expression): Add prototype.
11554 (set_contains_value): Allow null set for sake of not always having
11555 to allocate ANTIC_SAFE_LOADS.
11556 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11557 Allow COMPONENT_REF too.
11558 (valid_in_set): Allow COMPONENT_REF.
11559 Check ANTIC_SAFE_LOADS too.
11560 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11561 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11563 (can_PRE_operation): Add COMPONENT_REF.
11564 (create_component_ref_by_pieces): New function.
11565 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11566 (insert_aux): Move AGGREGATE_TYPE_P check here.
11567 (compute_avail): Set bb local stmt uids.
11568 (pass_pre): Use TODO_update_ssa_only_virtuals.
11570 2006-02-06 Ben Elliston <bje@au.ibm.com>
11572 * configure.ac: Unconditionally disable decimal float by default.
11573 * configure: Regenerate.
11575 2006-02-06 Ben Elliston <bje@au.ibm.com>
11577 * read-rtl.c (read_name): Terminate reading on EOF.
11579 2006-02-06 Ben Elliston <bje@au.ibm.com>
11581 * dfp.c (decimal_real_arithmetic): Change second argument type
11582 from int to enum tree_code. Do not always return true, but now
11583 return result of any call to decimal_do helper functions.
11584 * dfp.h (decimal_real_arithmetic): Update prototype.
11586 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11588 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11590 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11593 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11596 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11598 * tree-vrp.c (cfg_loops): Removed.
11599 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11600 Use current_loops instead of cfg_loops. Pass flags to
11601 loop_optimizer_init.
11602 * cfgloopmanip.c (fix_loop_structure): Update only available
11604 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11605 loop_optimizer_init.
11606 * modulo-sched.c (build_loops_structure): Removed.
11607 (sms_schedule): Use loop_optimizer_init.
11608 * loop-init.c (loop_optimizer_init): Use flags to determine
11609 which properties of loops to prepare.
11610 (rtl_loop_init): Pass flags to loop_optimizer_init.
11611 * tree-ssa-sink.c (execute_sink_code): Ditto.
11612 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11613 * tree-ssa-pre.c (init_pre): Ditto.
11614 * cfgloop.h (LOOPS_NORMAL): New.
11615 (loop_optimizer_init): Declaration changed.
11617 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11619 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11620 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11622 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11624 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11626 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11627 * pa/t-pa64: Delete quadlib.c rule.
11628 * pa/x-ada: Revert last change.
11629 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11631 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11633 PR rtl-optimization/26087
11634 * rtlanal.c (canonicalize_condition): Do not cross basic block
11637 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11640 * config/ia64/ia64.c: Include debug.h.
11641 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11642 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11643 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11644 (process_epilogue, process_set, process_for_unwind_directive):
11645 Output unwind info only if requested. Add CFA info if requested.
11646 Add new arguments as needed. Adjust callers.
11647 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11649 (DWARF2_FRAME_INFO): Define to zero.
11650 * config/ia64/unwind-ia64.c: Remove code that compensated for
11651 the CFA offset error fixed above.
11652 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11653 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11654 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11655 -funwind-tables and -fexceptions to enable frame info.
11656 (dwarf2out_frame_init): Define initial CFA even if
11657 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11658 DWARF2_UNWIND_INFO is nonzero, not just defined.
11659 (dwarf2out_frame_finish): Output non-EH call frame info only
11660 if DWARF2_FRAME_INFO is nonzero.
11661 (convert_cfa_to_loc_list,
11662 compute_frame_pointer_to_cfa_displacement): Define even if
11663 unwind info is not supported.
11664 (gen_subprogram_die): Use the above unconditionally. Remove
11665 legacy alternate code.
11666 * toplev.c (compile_file): Compile in call to
11667 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11668 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11670 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11671 Jakub Jelinek <jakub@redhat.com>
11673 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11674 IBM extended float format long double as "g" on powerpc*-linux.
11676 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11679 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11680 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11682 2006-02-03 Jason Merrill <jason@redhat.com>
11685 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11687 PR middle-end/25977
11688 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11689 on the return slot if it's an NRV.
11691 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11693 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11694 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11695 rewrite_use): Do not handle USE_OUTER.
11696 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11697 add_iv_outer_candidates, may_replace_final_value,
11698 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11699 (find_interesting_uses_op): Functionality of
11700 find_interesting_uses_outer_or_nonlin moved here.
11701 (find_interesting_uses_outside): Use find_interesting_uses_op.
11703 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11706 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11708 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11709 Ulrich Weigand <uweigand@de.ibm.com>
11712 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11713 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11714 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11715 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11717 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11718 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11719 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11720 Define secondary reloads for TFmode moves.
11721 (constant_modes): Add TFmode.
11722 (NR_C_MODES): Set to 8.
11723 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11725 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11726 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11727 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11728 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11729 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11730 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11731 (FPR mode macro): Add TFmode.
11732 (DSF mode macro): New.
11733 (<de>, <dee> mode attributes): Removed.
11734 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11735 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11736 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11737 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11738 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11739 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11740 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11741 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11742 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11743 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11744 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11745 "*negabs<mode>2", "sqrt<mode>2"):
11746 Changed <de> to <xde>. R constraint replaced by <Rf>.
11747 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11749 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11750 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11751 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11753 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11754 "extenddftf2", "extendsftf2"): New expanders.
11755 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11756 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11757 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11758 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11760 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11761 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11762 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11763 __floatditf): Add a GCC_4.1.0 symbol version tag.
11764 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11767 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11770 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11771 Use targetm.binds_local_p instead of TREE_PUBLIC.
11773 2006-02-02 Roger Sayle <roger@eyesopen.com>
11775 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11776 on INTEGER_TYPEs to indicate that it denotes a character type.
11777 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11778 signed_char_type_node, unsigned_char_type_node and char_type_node.
11779 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11780 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11781 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11783 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11784 Daniel Berlin <dberlin@dberlin.org>
11786 * tree-tailcall.c (arg_needs_copy_p): New function.
11787 (eliminate_tail_call): Use arg_needs_copy_p.
11788 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11789 (add_virtual_phis): New function.
11791 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11793 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11794 #ignore instead of #scratch for %g7 .register directive.
11796 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11798 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11801 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11803 * flow.c (calculate_global_regs_live): Assert that there aren't any
11806 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11808 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11809 what its name says.
11810 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11811 bsi_after_labels iterator.
11812 * tree-if-conv.c (find_phi_replacement_condition,
11813 replace_phi_with_cond_modify_expr): Likewise.
11814 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11815 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11817 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11819 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11821 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11824 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11825 array after growing it.
11827 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11829 PR middle-end/24901
11830 * fold-const.c (fold_checksum_tree): Change type of buf.
11832 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11834 * reload.c (push_secondary_reload): Initialize t_icode.
11836 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11838 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11839 -msoft-float -mlong-double-128 only issue a warning, but don't
11840 swich to DFmode long double.
11842 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11844 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11845 has a constant equivalent, iterate over equivalents for arg0,
11846 calling simplify_relational_operation and if there's a result
11847 cheaper than X, apply fold_rtx and return the result.
11849 2006-02-01 Jan Hubicka <jh@suse.cz>
11851 * opts.c (no_unit_at_a_time_default): New global variable.
11852 (decode_options): Use it.
11853 * opts.h (no_unit_at_a_time_default): Declare.
11855 2006-02-01 Paul Brook <paul@codesourcery.com>
11857 * function.c (assign_parm_setup_reg): Use function argument promotion
11859 * expr.c (expand_expr_real_1): Use function argument promotion rules
11862 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11864 * gcc.c (process_command): Change j to 'unsigned int'.
11866 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11868 PR middle-end/26001
11869 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11870 Use the corrected index for the character
11871 out of the string constant.
11873 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11875 * mode-switching.c (optimize_mode_switching): Fix size
11876 allocated for bb_info[n_entities].
11878 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11880 * gcc.c (main): Correct type that is allocated for
11881 explicit_link_files.
11883 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11885 * config/s390/s390.c (init_alignment_context): Set
11886 ALIAS_SET_MEMORY_BARRIER on the MEM.
11887 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11889 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11891 PR middle-end/25933
11892 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11894 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11897 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11899 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11900 * regrename.c: Ditto.
11901 * tree-ssa-loop-im.c: Ditto.
11902 * tree-dump.c: Ditto.
11903 * tree-complex.c: Ditto.
11904 * genrecog.c: Ditto.
11905 * tree-ssa-threadupdate.c: Ditto.
11907 * java/class.c: Ditto.
11908 * java/jcf-parse.c: Ditto.
11909 * java/resource.c: Ditto.
11910 * java/except.c: Ditto.
11911 * java/jvspec.c: Ditto.
11912 * java/jcf-write.c: Ditto.
11913 * java/jcf-path.c: Ditto.
11914 * java/gjavah.c: Ditto.
11915 * java/zextract.c: Ditto.
11916 * java/jcf-io.c: Ditto.
11917 * java/jcf.h: Ditto.
11918 * java/buffer.c: Ditto.
11919 * java/lang.c: Ditto.
11920 * java/parse-scan.y: Ditto.
11921 * java/lex.c: Ditto.
11922 * java/lex.h: Ditto.
11923 * cfgloopmanip.c: Ditto.
11924 * postreload-gcse.c: Ditto.
11925 * tree-ssa-loop-manip.c: Ditto.
11926 * postreload.c: Ditto.
11927 * tree-ssa-loop-ch.c: Ditto.
11930 * cppspec.c: Ditto.
11931 * diagnostic.c: Ditto.
11933 * genoutput.c: Ditto.
11935 * cfghooks.c: Ditto.
11936 * cfgloopanal.c: Ditto.
11937 * objc/objc-act.c: Ditto.
11939 * genextract.c: Ditto.
11940 * genautomata.c: Ditto.
11941 * pretty-print.c: Ditto.
11942 * genemit.c: Ditto.
11943 * cgraphunit.c: Ditto.
11945 * df-scan.c: Ditto.
11946 * haifa-sched.c: Ditto.
11947 * dominance.c: Ditto.
11949 * tree-ssa-loop-ivopts.c: Ditto.
11950 * df-core.c: Ditto.
11951 * mode-switching.c: Ditto.
11952 * modulo-sched.c: Ditto.
11954 * ipa-pure-const.c: Ditto.
11956 * fix-header.c: Ditto.
11958 * tree-stdarg.c: Ditto.
11959 * ipa-utils.c: Ditto.
11960 * loop-init.c: Ditto.
11961 * ipa-inline.c: Ditto.
11962 * cfganal.c: Ditto.
11964 * alloc-pool.c: Ditto.
11965 * dwarf2out.c: Ditto.
11967 * genattrtab.c: Ditto.
11968 * tree-ssa-loop-ivcanon.c: Ditto.
11969 * predict.c: Ditto.
11970 * timevar.c: Ditto.
11972 * fortran/gfortranspec.c: Ditto.
11973 * regmove.c: Ditto.
11974 * local-alloc.c: Ditto.
11975 * langhooks.c: Ditto.
11976 * function.c: Ditto.
11977 * tree-vectorizer.c: Ditto.
11979 * ipa-type-escape.c: Ditto.
11981 * tree-if-conv.c: Ditto.
11982 * profile.c: Ditto.
11984 * tree-data-ref.c: Ditto.
11985 * loop-unroll.c: Ditto.
11986 * treelang/treetree.c: Ditto.
11988 * bt-load.c: Ditto.
11989 * ggc-common.c: Ditto.
11991 * coverage.c: Ditto.
11993 * tree-cfgcleanup.c: Ditto.
11994 * tree-ssa-pre.c: Ditto.
11995 * cfgcleanup.c: Ditto.
11996 * loop-invariant.c: Ditto.
11997 * loop-iv.c: Ditto.
11998 * ipa-prop.c: Ditto.
11999 * print-tree.c: Ditto.
12000 * conflict.c: Ditto.
12001 * ggc-page.c: Ditto.
12002 * sched-deps.c: Ditto.
12003 * regclass.c: Ditto.
12004 * tree-object-size.c: Ditto.
12005 * combine.c: Ditto.
12006 * bb-reorder.c: Ditto.
12007 * resource.c: Ditto.
12008 * var-tracking.c: Ditto.
12009 * cfgloop.c: Ditto.
12010 * df-problems.c: Ditto.
12011 * reg-stack.c: Ditto.
12013 * gccspec.c: Ditto.
12014 * sched-rgn.c: Ditto.
12015 * tree-ssa-structalias.c: Ditto.
12016 * tree-ssa-reassoc.c: Ditto.
12017 * config/darwin-c.c: Ditto.
12018 * config/darwin.c: Ditto.
12019 * config/arm/arm.c: Ditto.
12021 * collect2.c: Ditto.
12022 * reload1.c: Ditto.
12024 2006-01-31 Nicolas Pitre <nico@cam.org>
12026 * arm.md (smaxsi3): Make aware of smax_m1.
12029 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12031 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12033 2006-01-31 Richard Guenther <rguenther@suse.de>
12035 * doc/invoke.texi (-msselibm): Document.
12036 * target.h (expand_library_builtin): New target hook.
12037 * builtins.c (expand_builtin): Use expand_library_builtin.
12038 (default_expand_library_builtin): New function.
12039 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12040 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12041 (link_gcc_math_spec): Declare.
12042 (static_specs): Add link_gcc_math_spec.
12043 * expr.h (default_expand_library_builtin): Declare.
12044 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12045 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12046 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12047 * config/i386/i386.opt (msselibm): New target option.
12048 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12049 (ix86_init_sse_abi_builtins): New function.
12050 (ix86_expand_library_builtin): Likewise.
12051 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12052 (override_options): Handle error conditions wrt -msselibm.
12053 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12054 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12055 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12058 2006-01-31 Richard Guenther <rguenther@suse.de>
12059 Paolo Bonzini <bonzini@gnu.org>
12061 * doc/install.texi (--disable-libgcc-math): Document.
12063 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12065 * expr.h (expand_normal): new inline function.
12066 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12067 * dojump.c: use it.
12068 * dwarf2out.c: use it.
12071 * expmed.c: use it.
12072 * except.c: use it.
12073 * config/sparc/sparc.c: use it.
12074 * config/i386/i386.c: use it.
12075 * config/rs6000/rs6000.c: use it.
12076 * config/arm/arm.c: use it.
12077 * config/mips/mips.c: use it.
12078 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12080 2006-01-30 Roger Sayle <roger@eyesopen.com>
12082 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12083 argv to the appropriate type.
12085 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12087 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12090 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12093 * config/s390/s390.c (struct machine_function): New flag
12094 decomposed_literal_pool_addresses_ok_p.
12095 (s390_reorg): Set it before final stage of literal pool transforms.
12096 (s390_decompose_address): Only accept displacements of the form
12097 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12099 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12101 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12102 the comparison routine return.
12104 2006-01-30 Michael Matz <matz@suse.de>
12106 * global.c (find_reg): Only evict for global regs.
12107 Take n_refs into account and dump more info.
12109 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12112 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12113 (pragma_trap, pragma_nosave_low_regs): Likewise.
12114 (current_function_anonymous_args): Likewise.
12115 (sh_deferred_function_attributes): New variable.
12116 (sh_deferred_function_attributes_tail): Likewise.
12117 (print_operand): For '@', look up trap_exit attribute.
12118 (calc_live_regs): Look up trapa_handler attribute. For trapa
12119 handlers, save/restore fpscr, but don't do any other
12120 interrupt-specific saves.
12121 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12122 Fix check for partially saved registers to check for SHmedia.
12123 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12124 (sh_output_function_epilogue): Don't clear any of the removed
12126 (sh_insert_attributes): Don't check pragma_interrupt.
12127 Insert deferred attributes. Check that interrupt attribute is
12128 present for other attributes that require its presence.
12129 (sh_attribute_table): Add new attributes trapa_handler and
12131 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12132 Don't check for pragma_interrupt. Don't store argument.
12133 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12134 (sh_deferred_function_attributes): Declare.
12135 (sh_deferred_function_attributes_tail): Likewise.
12136 * sh.md (sp_switch_1): Add operand. Change generator caller.
12137 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12138 (*return_i): Don't use when trap_exit attribute is in effect.
12139 (*return_trapa): New insn pattern.
12140 * sh-c.c: New file.
12141 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12142 setting c_target_objs and cxx_target_objs.
12143 * t-sh: Add rule for sh-c.o.
12145 2006-01-30 Richard Guenther <rguenther@suse.de>
12148 * gimplify.c (gimplify_target_expr): Handle easy cases
12149 without creating a temporary.
12151 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12153 * vec.h (safe_grow): Remove duplicated line.
12155 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12158 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12159 (expand_omp): ... here.
12160 (expand_omp_parallel): Only remove barriers for combined
12161 parallel+workshare constructs.
12163 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12167 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12168 * tree.c (build_qualified_type): Chain the new type to the original
12169 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12170 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12171 (build_pointer_type_for_mode): Only return unqualified types.
12172 (build_reference_type_for_mode): Likewise.
12174 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12176 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12177 * Makefile.in (CXX_COMPAT_WARN): Define.
12178 * configure: Regenerate.
12180 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12183 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12186 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12188 * toplev.c: Fix thinko.
12190 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12191 Marcin Dalecki <martin@dalecki.de>
12193 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12194 (push_srcloc): Use XNEW.
12195 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12197 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12199 * df-core.c (df_set_blocks): Deleted all variable.
12201 2006-01-28 Ian Lance Taylor <ian@airs.com>
12203 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12204 cgraph_output_pending_asms.
12206 2006-01-28 Zack Weinberg <zackw@panix.com>
12208 * c.opt: Add -W(no-)overlength-strings.
12209 * doc/invoke.texi: Document it.
12210 * c-opts.c (c_common_handle_option): -pedantic implies
12211 -Woverlength-strings, if not explicitly disabled already.
12212 (c_common_post_options): -Woverlength-strings defaults to off, and
12213 is always off for C++.
12214 * c-common.c (fix_string_type): Issue warning about strings longer
12215 than is portable only if warn_overlength_strings. Rearrange code
12216 a little for clarity.
12217 * configure.in: Check for -Wno-overlength-strings as well before
12218 enabling -pedantic in stage 1.
12219 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12220 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12222 * genconditions.c (write_header, write_one_condition)
12223 (write_conditions, write_writer): Consolidate very long strings
12224 that were broken up to fit in C89 portable limit. Don't use
12225 printf when fputs will do.
12227 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12229 * combine.c (simplify_comparison <AND>): Check
12230 TRULY_NOOP_TRUNCATION before start using a subreg.
12232 * config/mips/mips.md (*branch_zero<mode>,
12233 *branch_zero<mode>_inverted, *branch_equality<mode>,
12234 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12235 Remove mode check from comparisons.
12237 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12239 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12241 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12243 * expmed.c (const_mult_add_overflow_p): Remove.
12244 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12246 * recog.c (validate_replace_rtx_subexp): Remove.
12247 * recog.h: Remove the prototype for
12248 validate_replace_rtx_subexp.
12250 * integrate.h: Remove the prototype for
12251 copy_decl_for_inlining.
12252 * rtl.h: Remove the prototype for mark_constant_function.
12253 * tree-vectorizer.h: Remove the prototype for
12254 vect_strip_conversion.
12256 * modulo-sched.c (create_partial_schedule,
12257 free_partial_schedule, reset_partial_schedule): Make them
12260 * hooks.c (hook_bool_rtx_int_false): Remove.
12261 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12263 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12265 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12266 and -mlong-double-128 are incompatible.
12267 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12268 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12269 (TARGET_LIBGCC2_CFLAGS): Define.
12270 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12271 (TARGET_LIBGCC2_CFLAGS): Same.
12272 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12274 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12277 * c-typeck.c (build_binary_op): Perform implicit casts of
12278 operands before shortening them.
12280 * cfgloopmanip.c (split_loop_bb): Remove.
12281 * cfgloop.h: Remove the prototype for split_loop_bb.
12283 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12284 * cfgloop.h: Remove the prototype for
12285 flow_loop_outside_edge_p.
12287 * emit-rtl.c (init_virtual_regs): Make it static.
12288 * function.h: Remove the prototype for init_virtual_regs.
12290 * recog.c (peephole2_optimize): Make it static.
12291 * recog.h: Remove the prototype for peephole2_optimize.
12293 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12295 * df-scan.c (df_record_entry_block_defs): Check if
12296 INCOMING_RETURN_ADDR_RTX is defined.
12298 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12299 Kenneth Zadeck <zadeck@naturalbridge.com>
12301 PR rtl-optimization/24762
12302 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12303 * targhooks.c (hook_void_bitmap): New hook prototype.
12304 * targhoohs.h (hook_void_bitmap): Ditto.
12305 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12306 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12307 * target.h (live_on_entry): New function pointer.
12308 * df-scan.c (df_all_hard_regs): Removed.
12309 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12310 (df_scan_free_internal): Added df->entry_block_defs.
12311 (df_scan_alloc): Ditto.
12312 (df_scan_dump): Ditto.
12313 (df_uses_record): Plumbed flag field properly thru calls.
12314 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12315 This part fixes PR24762.
12316 (df_bb_refs_record): Added code to make the frame and arg
12317 pointers live in EH blocks.
12318 (df_refs_record): Added call to df_record_entry_block_defs.
12319 (df_record_entry_block_defs): New function.
12320 * df-core.c: Added comments to describe new artifical defs.
12321 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12322 (entry_block_defs): New field in struct df.
12323 (df_all_hard_regs): Deleted.
12324 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12325 * df-problems.c (df_ru_bb_local_compute_process_def):
12326 Added code to handle artifical defs in the entry to a function.
12327 (df_ru_bb_local_compute): Ditto.
12328 (df_rd_bb_local_compute_process_def): Ditto.
12329 (df_rd_bb_local_compute): Ditto.
12330 (df_lr_bb_local_compute): Ditto.
12331 (df_ur_bb_local_compute): Ditto.
12332 (df_urec_bb_local_compute): Ditto.
12333 (df_chain_create_bb): Ditto.
12334 (df_ur_local_finalize): Removed entry.
12335 (df_urec_init): Ditto.
12336 (df_urec_local_finalize): Ditto.
12337 (df_ri_bb_compute): Added detection of last use of pseudos.
12338 * Makefile.in (df-scan.o): Updated dependencies.
12339 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12340 * config/mips/mips.c (mips_set_live_on_entry): Added.
12341 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12343 * dce.c (marked_insn_p): Added code to handle artifical defs.
12345 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12347 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12349 (_mm_cvtsi128_si64): Likewise.
12350 (_mm_cvtsd_si64): Likewise.
12351 (_mm_cvttsd_si64): Likewise.
12352 (_mm_cvtsi64_sd): Likewise.
12353 (_mm_cvtsi64_si128): Likewise.
12354 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12355 (_mm_cvtsi64_m64): Likewise.
12356 (_m_to_int64): Likewise.
12357 (_mm_cvtm64_si64): Likewise.
12358 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12359 (_mm_cvttss_si64): Likewise.
12360 (_mm_cvtsi64_ss): Likewise.
12361 (_mm_cvtss_f32): Likewise.
12363 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12365 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12366 for pragma redefine_extname.
12368 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12371 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12372 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12373 -mno-minimal-toc to previous content.
12374 (bispecs): Remove goal.
12375 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12376 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12377 compatibility aliases on powerpc-*-*gnu*.
12378 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12379 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12380 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12381 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12382 (ldblspecs): New goal.
12383 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12384 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12386 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12387 L_sf_to_tf or L_df_to_tf is defined.
12389 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12390 Alan Modra <amodra@bigpond.net.au>
12393 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12394 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12395 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12396 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12397 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12398 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12399 (rs6000_override_options): Initialize rs6000_ieeequad.
12400 Initialize TFmode format to ibm_extended_format if not
12402 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12404 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12405 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12406 (function_arg_advance): IBM long double passed in two FPRs, not
12408 (function_arg): IBM long double passed in FPRs.
12409 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12410 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12411 Only multireg GPR aligned.
12412 (rs6000_init_libfuncs): Enable IBM long double functions if not
12414 (rs6000_generate_compare): Use IBM long double compare if not
12416 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12417 (TARGET_IEEEQUAD): Define.
12418 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12419 not TARGET_IEEEQUAD.
12420 * config/rs6000/rs6000.md: Enable TFmode patterns if
12422 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12423 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12424 and -mlong-double-128 are incompatible.
12425 * doc/invoke.texi (-mabi): Collect options together. Add
12426 ibmlongdouble and ieeelongdouble.
12428 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12430 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12432 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12433 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12434 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12435 * rtl.h (rtunion_def): Remove rt_ptr.
12437 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12438 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12439 * config/i386/winnt.c (i386_pe_mark_dllexport)
12440 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12442 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12444 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12446 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12450 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12451 pthread_key_delete. From John David Anglin. gthrw-ify
12452 pthread_getunique_np only if it it's not a macro. Delete
12454 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12455 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12456 __gthread_objc_condition_signal, __gthread_key_delete): Add
12457 "__attribute__ ((__unused__))" to unused arguments.
12458 (__gthread_recursive_mutex_init_function): Add missing return.
12459 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12460 gthr-posix95.h: Use macro-based approach for name redirection
12461 on targets missing weakref.
12463 2006-01-26 Zack Weinberg <zackw@panix.com>
12465 * genconditions.c (write_header): In generated code, #ifdef out
12466 all includes and fake declarations, except includes of bconfig.h
12467 and system.h, unless GCC_VERSION >= 3001. Do not include
12468 gensupport.h in any case.
12469 (write_conditions): Generate a definition of struct c_test. Add
12470 a comment to the generated #endif.
12471 (write_one_condition): Escape backslashes in string too.
12472 (write_writer): Generated code must escape backslashes and quote
12473 marks (but not newlines) in the strings it writes.
12474 * Makefile.in (build/gencondmd.o): Update dependencies.
12476 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12479 * Makefile.in (insn-automata.o): Add header file dependencies.
12480 * genautomata.c: Add includes.
12482 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12485 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12487 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12489 * configure.ac: Expect target tools paths to be passed from the toplevel
12490 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12492 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12494 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12497 * c.opt (Wpointer-sign): Init to -1.
12498 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12499 OPT_pedantic, to 0 otherwise.
12500 * doc/invoke.texi: Update.
12502 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12504 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12505 constants provided by 80387 instructions in the destination mode.
12507 2006-01-26 Richard Guenther <rguenther@suse.de>
12508 Andrew Pinski <pinskia@physics.uc.edu>
12511 partial PR tree-opt/17064
12512 * tree-ssa-structalias.c (intra_create_variable_infos):
12513 Create heap variables for incoming parameters if
12514 flag_argument_noalias > 1.
12515 (find_what_p_points_to): Look through default defs of
12518 2006-01-26 Jeff Law <law@redhat.com>
12521 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12522 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12523 within the VR_RANGE, use the VR_RANGE as the result, not the
12525 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12526 bounds for the type.
12528 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12530 * tree-ssa-alias.c (maybe_create_global_var): Change
12531 subvar walking to an assertion that we don't have subvar'd variables.
12533 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12536 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12537 Use a new variable, inner. PARM_DECLs are always non-weak.
12539 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12541 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12542 --disable-checking.
12544 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12546 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12548 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12550 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12551 (smax_insn, smin_insn, smax_0, smin_0): New.
12553 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12556 * config/cris/cris.c (cris_order_for_addsi3): New function.
12557 * config/cris/cris-protos.h: Prototype it.
12558 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12559 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12560 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12561 (split for "op.S1 [rx=rx+i],ry (swapped)")
12562 (split for "op(s|u).S1 [rx=rx+i],ry")
12563 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12564 Apply cris_order_for_addsi3 when generating addsi3 insns.
12566 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12568 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12569 (TREE_BLOCK): Add call to EXPR_CHECK.
12571 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12574 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12575 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12576 (dump_omp_clauses): ... here.
12577 (dump_generic_node): Handle OMP_CLAUSE.
12578 * tree.c (omp_clause_num_ops): New.
12579 (omp_clause_code_name): New.
12580 (tree_code_size): Handle OMP_CLAUSE.
12581 (tree_size): Likewise.
12582 (make_node): Document handling of OMP_CLAUSE.
12583 (tree_node_structure): Handle OMP_CLAUSE.
12584 (omp_clause_check_failed): New.
12585 (omp_clause_range_check_failed): New.
12586 (omp_clause_operand_check_failed): New.
12587 (build_omp_clause): New.
12588 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12589 * tree.h (enum omp_clause_code): Declare.
12590 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12591 (OMP_CLAUSE_RANGE_CHECK): Define.
12592 (OMP_CLAUSE_ELT_CHECK): Define.
12593 (omp_clause_check_failed): Declare.
12594 (omp_clause_operand_check_failed): Declare.
12595 (omp_clause_range_check_failed): Declare.
12596 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12597 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12598 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12599 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12600 (OMP_CLAUSE_IF_EXPR): Likewise.
12601 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12602 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12603 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12604 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12605 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12606 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12607 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12608 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12609 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12610 (OMP_CLAUSE_CODE): Define.
12611 (OMP_CLAUSE_SET_CODE): Define.
12612 (OMP_CLAUSE_CODE): Define.
12613 (OMP_CLAUSE_OPERAND): Define.
12614 (struct tree_omp_clause): Declare.
12615 (union tree_node): Add field 'omp_clause'.
12616 * treestruct.def (TS_OMP_CLAUSE): Define.
12617 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12618 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12619 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12620 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12621 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12622 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12623 (OMP_CLAUSE): Define.
12624 * print-tree.c (print_node): Handle OMP_CLAUSE.
12625 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12626 * c-typeck.c: Likewise.
12627 * gimplify.c: Likewise.
12628 * c-omp.c: Likewise.
12629 * tree-nested.c: Likewise.
12630 * tree-inline.c: Likewise.
12631 * c-parser.c: Likewise.
12632 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12635 2006-01-25 Roger Sayle <roger@eyesopen.com>
12637 PR rtl-optimization/25703
12638 * combine.c (try_combine): Handle zero_extract and strict_low_part
12639 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12641 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12643 * global.c: Fix comment typos.
12645 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12648 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12649 Use output_addr_const instead of assemble_name.
12651 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12653 * Makefile.in (sched-vis.o): Update dependencies.
12654 * haifa-sched.c (sched_finish): Clear current_sched_info.
12655 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12656 (dump_flow_info): Call it.
12657 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12659 * basic-block.h (dump_bb_info): Declare.
12660 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12661 option, and apply options only for dump files whose TDF_RTL,
12662 TDF_TREE, or TDF_IPA bits match.
12663 * rtl.h: Declare new functions exported from sched-vis.c.
12664 * sched-vis.c: Enable also if scheduling is not used.
12665 (print_value): Print the mode of registers if not inside scheduling.
12666 (print_insn): Make it work outside the scheduler. Beautify the output
12668 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12670 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12672 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12673 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12674 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12675 depending on the value of CONSTANT_POOL_ADDRESS_P.
12676 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12678 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12679 rather than SYMBOL_REF_DECL.
12680 (rtx_constant_pool): Remove const_rtx_sym_htab.
12681 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12682 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12683 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12684 Remove handling of const_rtx_sym_htab.
12685 (find_pool_constant): Delete.
12686 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12687 rather than find_pool_constant.
12688 (get_pool_constant_for_function): Delete.
12689 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12690 find_pool_constant.
12691 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12692 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12693 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12694 (SYMBOL_REF_CONSTANT): New macro.
12695 (get_pool_constant_for_function): Delete.
12696 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12697 rather than SYMBOL_REF_DECL.
12698 (i386_pe_mark_dllimport): Likewise.
12699 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12700 rather than SYMBOL_REF_DECL.
12701 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12702 (machopic_indirect_call_target): Likewise.
12704 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12706 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12708 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12710 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12712 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12714 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12716 2006-01-24 David Daney <ddaney@avtrex.com>
12719 * configure.ac (enable_tls): New enable option.
12720 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12721 * configure: Regenerate.
12722 * doc/install.texi (--enable-tls): Document new option.
12723 (--disable-tls): Ditto.
12725 2006-01-24 Richard Henderson <rth@redehat.com>
12727 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12728 * alias.c (true_dependence): Respect it.
12729 (canon_true_dependence, write_dependence_p): Likewise.
12730 * builtins.c (get_builtin_sync_mem): Set it.
12732 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12734 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12737 2006-01-24 DJ Delorie <dj@redhat.com>
12739 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12740 for storing constants in single-bit bitfields.
12742 2006-01-25 Ben Elliston <bje@au.ibm.com>
12744 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12746 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12749 * tree-ssa-pre.c (phi_translate): Return NULL
12750 for AGGREGATE_TYPE's.
12752 2006-01-24 Zack Weinberg <zackw@panix.com>
12754 * genautomata.c (process_state_for_insn_equiv_partition):
12755 Use xcalloc for insn_arcs_array.
12756 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12757 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12759 2006-01-24 Richard Henderson <rth@redhat.com>
12761 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12762 update all callers.
12764 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12766 PR rtl-optimization/25890
12767 PR rtl-optimization/25905
12768 * combine.c (expand_compound_operation, expand_field_assignment):
12769 Fail if the bitfield's final position is out of bounds.
12771 2006-01-24 Ian Lance Taylor <ian@airs.com>
12773 PR middle-end/25930
12774 * cgraphunit.c (cgraph_output_in_order): Don't clear
12775 cgraph_asm_nodes until after asm strings have been output.
12777 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12779 * fix-header.c (read_scan_file): Add new parameter imultilib when
12780 calling register_include_chains.
12782 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12784 * omp-low.c: Update documentation.
12786 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12787 Daniel Berlin <dberlin@dberlin.org>
12791 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12792 return from the function.
12794 2006-01-22 Zack Weinberg <zackw@panix.com>
12796 * rtl.def (match_code): Add second argument.
12797 * genpreds.c (write_extract_subexp): New function.
12798 (write_match_code): Add path argument. Use write_extract_subexp.
12799 (write_predicate_expr): Pass path to write_match_code.
12800 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12801 not perform a mode test.
12802 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12803 a subexpression does not constrain the top-level code set.
12804 * read-rtl.c (read_rtx_variadic): New function.
12805 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12806 * doc/md.texi: Document new notation.
12807 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12808 (cmpsi_operand): ... here, using new notation.
12810 2006-01-22 Zack Weinberg <zackw@panix.com>
12812 * varray.c: Remove GENERATOR_FILE #ifdefs.
12814 2006-01-22 Zack Weinberg <zackw@panix.com>
12816 * genautomata.c (output_reserved_units_table): Emit nothing if
12817 description->query_units_num is zero. Remove extra blank line.
12818 (output_cpu_unit_reservation_p): Short circuit
12819 if description->query_units_num is zero.
12821 2006-01-22 Zack Weinberg <zackw@panix.com>
12823 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12824 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12825 nor any of the random handful of variables that used to be necessary
12826 when this program was linked with rtlanal.o. Prune set of forward
12827 function declarations.
12828 (struct attr_desc): Remove static_p field.
12829 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12830 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12831 (attr_string): Do not read the character one past the length of
12833 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12834 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12835 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12836 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12837 (make_automaton_attrs): New.
12838 (main): Do not call into genautomata. Call local gen_bypass
12839 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12840 Remove special case for insn_alts.
12841 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12842 varray.h (leftover from previous change). Prune set of forward
12843 function declarations. Remove state_alts fields from all
12844 structures. Remove state_alts_table from struct automaton.
12845 Make everything except main static. Do not maintain num_dfa_decls.
12846 Do not maintain state_alts fields of various structures.
12847 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12848 (add_arc): Remove state_alts argument. All callers updated.
12849 (output_reserved_units_table): Emit #ifdef here...
12850 (output_tables): ...not here. Don't generate state_alts tables.
12851 (expand_automata): Don't generate attributes.
12852 (write_automata): Don't generate state_alts functions.
12853 (main): New function.
12854 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12855 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12856 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12857 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12858 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12859 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12860 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12861 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12863 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12864 * genattrtab.h: Delete file.
12865 * Makefile.in (OBJS-common): Add insn-automata.o.
12866 (insn-automata.o): New rule.
12867 (simple_generated_c): Add insn-automata.c.
12868 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12869 (genprogmd): Add automata.
12870 (build/genattrtab): Needs no extra objects nor libraries.
12871 (build/genautomata): Needs build/vec.o and -lm.
12873 2006-01-22 Zack Weinberg <zackw@panix.com>
12875 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12876 (output_dfa_max_issue_rate, locked_states_num): Delete.
12877 (struct automaton): Add locked_states field.
12878 (output_dead_lock_vect): Save number of locked states in
12879 automaton->locked_states. If it is zero, don't print anything.
12880 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12881 (output_internal_dead_lock_func): Only test the dead_lock_vect
12882 for automata that have locked states.
12883 (output_statistics): Always print the number of locked states for
12884 each automaton. Calculate total number of locked states here.
12885 (write_automata): Don't call output_dfa_max_issue_rate.
12886 * genattrtab.c: Define length_unit_log as a const variable.
12887 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12888 max_insn_queue_index const.
12889 * final.c (length_unit_log): Declare const.
12890 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12892 2006-01-22 Zack Weinberg <zackw@panix.com>
12894 * genautomata.c: Include vec.h, not varray.h.
12895 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12896 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12897 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12898 VEC_* macros operating on appropriately typed vectors, or to
12899 malloced arrays when the size is known in advance. Const-ify
12900 many char* variables and function arguments. No functional changes.
12901 * Makefile.in (build/varray.o): Delete rule.
12902 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12903 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12905 2006-01-22 Zack Weinberg <zackw@panix.com>
12907 * gensupport.c: Define get_insn_name and record_insn_name here.
12908 (read_md_rtx): Call record_insn_name as appropriate.
12909 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12910 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12911 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12913 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12914 (BUILD_VARRAY): Delete.
12915 (genprognormal): Rename genprogmd. Fold in all programs from
12916 genprognoprint; also attrtab.
12917 (build/genattrtab): Just mention genautomata.o and varray.o.
12918 Reorganize a bit, add comments to make the categories clearer.
12920 2006-01-22 Zack Weinberg <zackw@panix.com>
12922 * genconditions.c (condition_table, add_condition): Delete.
12923 (write_conditions): Don't emit n_insn_conditions nor
12924 insn_elision_unavailable. Issue the gcc version #ifdef here,
12925 inside the table, with no #else clause ...
12926 (write_header): ...not here.
12927 (write_writer): New function.
12928 (main): Don't initialize condition_table. Use add_c_test.
12930 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12931 files on the command line.
12932 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12933 Return -1 if there is no entry in the table, don't abort.
12934 (add_c_test, traverse_c_tests): New functions.
12935 * gensupport.h (insn_elision_unavailable, insn_conditions)
12936 (n_insn_conditions): Delete declarations.
12937 (add_c_test, traverse_c_tests): Declare.
12938 * read-rtl.c: Include gensupport.h.
12939 (read_conditions): New function.
12940 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12941 (read_rtx_1): If we get EOF when we were looking for an initial
12942 open paren, return 0. Call read_conditions when appropriate.
12943 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12944 dummy-conditions.o. Eliminate references to insn-conditions.o,
12945 or change them to build/gencondmd.o, as appropriate. Remove
12946 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12947 from $(simple_generated_c). For all files remaining in those
12948 two lists, add insn-conditions.md to the generator command line.
12949 Give insn-constants.h/s-constants their own rules. Add rules
12950 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12951 (build/read-rtl.o): Depend on gensupport.h.
12952 (genprognormal): Include preds.
12953 (genprogearly): Rename genprognoprint; only difference is now that
12954 they don't link with $(BUILD_PRINT).
12955 * dummy-conditions.c: Delete.
12957 2006-01-22 Zack Weinberg <zackw@panix.com>
12959 * genextract.c: Don't include insn-config.h. Do include vec.h.
12960 Declare vectors of int, char, and locstr.
12961 (locstr): New typedef.
12962 (struct extraction): Make all array fields into bare pointers.
12963 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12964 (insn_code_number): Delete.
12965 (accum_extract): New struct.
12966 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12967 (gen_insn): Take insn_code_number as an argument. Use an
12968 accum_extract structure instead of loading data directly into
12969 a struct extraction, and having to know how big it might get.
12970 (walk_rtx): Operate entirely on an accum_extract structure.
12971 (print_path): Avoid unnecessary use of printf.
12972 (print_header): New function, split out of main. Distinguish
12973 more carefully between an unrecognizable insn and an insn that
12974 has the code number of a define_expand.
12975 (main): Pass insn_code_number to gen_insn. Call print_header
12976 only after parsing. Avoid unnecessary use of printf.
12977 * Makefile.in (build/vec.o): New rule.
12978 (build/genextract): Depend on build/vec.o.
12979 (build/genextract.o): Don't depend on insn-config.h.
12981 2006-01-22 Zack Weinberg <zackw@panix.com>
12983 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12984 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12985 practical. Eliminate per-generator-program link rules.
12987 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12989 PR middle-end/24437
12990 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12991 with a call expr to ...
12992 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
12994 2006-01-23 Richard Guenther <rguenther@suse.de>
12996 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
12997 before make_edge with conditional EDGE_TRUE_VALUE.
12999 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13000 Jan Hubicka <jh@suse.cz>
13001 Richard Guenther <rguenther@suse.de>
13003 PR rtl-optimization/25654
13004 * cfgexpand.c (aggregate_contains_union_type): New function.
13005 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13006 for structure variables that contain a union type.
13008 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13010 * gengtype.c (new_structure): Return the structure.
13011 (create_option): Add an extra "next" argument.
13012 (create_field): New function.
13013 (adjust_field_rtx_def): Use create_option and create_field.
13014 Remove a now-unnecessary call to find_structure.
13015 (adjust_field_tree_def): Likewise.
13016 (note_yacc_type): Remove an unnecessary call to find_structure.
13017 * gengtype.h (new_structure): Return the structure.
13018 (create_option): Add an extra argument.
13019 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13020 (option): Adjust calls to create_option.
13022 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13024 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13026 2006-01-22 Paul Brook <paul@codesourcery.com>
13027 Peter Barada <peter@the-baradas.com>
13029 * config/m68k/m68k.md: Add Coldfire FPU support.
13030 Define FP mode macro and associated attributes.
13031 Use it for float mode patterns.
13032 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13033 (LIBCALL_VALUE): Use m68k_libcall_value.
13034 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13035 (m68k_function_value): Ditto.
13036 (emit_move_sequence): Ditto.
13037 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13038 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13039 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13040 (MULTILIB_EXCEPTIONS): Ditto.
13041 * config/m68k/m68k.opt: Add mcfv4e.
13042 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13043 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13044 (m68k_output_function_prologue): Save ColdFire FPU registers.
13045 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13046 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13047 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13048 ColdFire FPU registers.
13049 (m68k_libcall_value, m68k_function_value): New functions.
13050 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13051 (LIBCALL_VALUE): Use m68k_libcall_value.
13052 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13053 (MASK_COLDFIRE): Add MASK_CFV4E.
13054 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13055 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13056 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13057 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13058 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13059 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13060 * doc/invoke.tex: Document -mcfv4e on m68k.
13062 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13064 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13067 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13070 * c-opts.c (c_common_handle_option): Don't include
13071 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13072 * doc/invoke.texi (C++ Dialect Options): Document that
13073 -Wnon-virtual-dtor is no longer included in -Wall.
13075 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13077 * gcov.c (print_version), gcov-dump.c (print_version),
13078 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13081 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13083 * df-scan.c (problem_SCAN): Added NULL reset function.
13084 (df_scan_reset_blocks): Added code to call reset block function
13085 (df_bb_refs_delete) Fixed comment.
13086 (df_insn_refs_delete): Made tolerant of deleting non existent info
13087 for dataflow problems that need to be reset.
13088 * df-core.c (df_set_blocks): Ditto.
13089 * df.h (struct df_problem): Added reset_fun.
13090 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13091 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13092 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13093 functions to clear out all references to def-use or use-def chains.
13095 2006-01-21 Ben Elliston <bje@au.ibm.com>
13097 * varasm.c (assemble_real): Initialise data array.
13099 2006-01-20 Paul Brook <paul@codesourcery.com>
13101 Merge from csl-arm-branch.
13102 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13103 * config/arm/arm.md (movdi): Force operands[1] to a register
13104 if we have a non-register source.
13105 (*arm_movdi, *movdf_soft_insn): Require that one of the
13106 operands be a register.
13107 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13108 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13110 2006-01-20 DJ Delorie <dj@redhat.com>
13112 * varasm.c (initializer_constant_valid_p): Allow pointers
13113 initialized from integer constants of lesser precision.
13114 (output_constant): Allow non-int-sized pointer modes to be
13115 initialized from integer constants.
13117 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13120 * cppdefault.h (struct default_include): Add multilib flag.
13121 * cppdefault.c (cpp_include_defaults): Set it.
13122 * c.opt (-imultilib): New option.
13123 * c-opts.c (imultilib): New.
13124 (c_common_handle_option): Handle -imultilib.
13125 (c_common_post_options): Likewise.
13126 * c-incpath.c (add_standard_paths, register_include_chains):
13128 * c-incpath.h (register_include_chains): Add extra parameter.
13129 * gcc.c (do_spec_1): Generate -imultilib option.
13130 (The Specs Language): Update %I description.
13131 (process_command): Update copyright notice.
13132 * doc/cppopts.texi (-imultilib): Document.
13133 * doc/invoke.texi (-imultilib): Include in option summary.
13134 (%I): Update specs documentation.
13136 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13138 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13140 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13142 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13145 2006-01-20 Richard Guenther <rguenther@suse.de>
13146 Steven Bosscher <stevenb.gcc@gmail.com>
13148 PR rtl-optimization/24626
13149 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13150 EDGE_TRUE_VALUE if in RTL mode.
13153 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13154 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13156 2006-01-20 Dirk Mueller <dmueller@suse.com>
13159 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13160 instead of a special NOP marker.
13161 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13162 NOP marker handling.
13163 * c-common.h (empty_body_warning): Add forward declaration.
13164 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13165 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13167 2006-01-20 Paul Brook <paul@codesourcery.com>
13169 * Makefile.in (lang_checks): Keep going if mkdir fails.
13171 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13173 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13174 be able to clean out basic block when not necessary.
13175 (df_scan_free): Fixed to properly delete information if df is
13176 unused before calling df_finish.
13177 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13178 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13180 (df_bb_refs_delete): New function.
13181 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13182 * df-core.c (df_set_blocks): Added code to properly clean out
13183 unused blocks if they are not part of the blocks to consider.
13184 Added additional null check.
13185 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13186 be able to clean out basic block when not necessary
13187 * df.h (df_free_bb_function): Ditto.
13188 (df_bb_refs_delete): New function.
13189 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13190 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13191 basic block parameter to be able to clean out basic block when not
13193 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13194 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13195 Fixed to properly delete information if df is unused before
13198 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13200 PR rtl-optimization/25799
13201 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13202 Corrected confluence operator to remove bits from op2 before oring
13203 with op1 rather than removing bits from op1.
13204 (df_ru_transfer_function): Corrected test on wrong bitmap which
13205 caused infinite loop. Both of these problems were introduced in
13206 the dataflow rewrite.
13208 2006-01-19 DJ Delorie <dj@redhat.com>
13210 * reload1.c (find_reload_regs): Note the details of reload
13211 failures in the dump file.
13212 (spill_failure): Likewise.
13214 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13216 * loop-iv.c: Include df.h and hashtab.h.
13217 (enum iv_grd_result): New enum.
13218 (DF_REF_IV, DF_REF_IV_SET): New macros.
13219 (struct biv_entry): New.
13220 (df, bivs): New global variables.
13221 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13222 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13224 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13225 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13226 analyzed_for_bivness_p, record_biv): New functions.
13227 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13228 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13229 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13231 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13233 (iv_number_of_iterations): Use new interface to iv analysis.
13234 * loop-unroll.c: Do not include varray.h.
13235 (analyze_iv_to_split_insn): Use new interface to iv
13237 * loop-unswitch.c (may_unswitch_on): Ditto.
13238 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13240 (df_bb_modify): Realloc tables to the new index.
13241 (df_find_use): New function.
13242 * df.h (df_find_use): Declare.
13243 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13245 * cfgloop.h (struct rtx_iv): Remove analysed field.
13246 (iv_get_reaching_def): Removed.
13247 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13248 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13249 (loop-iv.o): Add df.h and hashtab.h dependency.
13250 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13252 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13255 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13257 (__floatundisf, __floatundidf): Likewise.
13258 * libgcc2.h (IS_IBM_EXTENDED): Define.
13260 2006-01-19 DJ Delorie <dj@redhat.com>
13262 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13264 2006-01-19 Paul Brook <paul@codesourcery.com>
13266 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13267 as nothrow when unwinding tables are disabled.
13269 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13272 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13273 of bit-field" when in system header.
13275 2006-01-19 DJ Delorie <dj@redhat.com>
13277 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13278 the 16 bit shift limit of the m16c.
13280 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13283 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13284 * config/i386/i386.c (output_set_got): Output the label if we have one
13285 for the TARGET_DEEP_BRANCH_PREDICTION case.
13287 2006-01-19 Jan Hubicka <jh@suse.cz>
13288 H.J. Lu <hongjiu.lu@intel.com>
13289 Evandro Menezes <evandro.menezes@amd.com>
13291 * invoke.texi (generic): Document
13293 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13294 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13295 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13296 (x86_use_incdec, x86_pad_returns): New variables
13297 (TARGET_CPU_DEFAULT_generic): New constant
13298 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13299 (enum processor_type): Add generic32 and generic64.
13300 * i386.md (cpu attribute): Add generic32/generic64
13301 (movhi splitter): Behave sanely when both partial_reg_dependency and
13302 partial_reg_stall are set.
13303 (K8 splitters): Enable for generic as well.
13304 * predicates.md (incdec_operand): Use TARGET_INCDEC
13305 (aligned_operand): Avoid memory mismatch stalls.
13306 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13307 * ppro.md: Enable for generic32
13308 * i386.c (generic64_cost, generic32_cost): New.
13309 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13310 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13311 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13312 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13313 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13314 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13315 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13316 x86_accumulate_outgoing_args, x86_prologue_using_move,
13317 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13318 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13319 Enable for generic.
13320 (x86_use_incdec, x86_pad_returns): New.
13321 (override_options): Add generic32 and generic64, translate "generic"
13322 to generic32/generic64 and "i686" to "generic32", refuse
13323 "generic32"/"generic64" as arch target.
13324 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13325 (ix86_reorg): Honor PAD_RETURNS.
13327 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13329 * tree-pretty-print.c (dump_generic_node): Handle
13330 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13331 * cgraph.c (cgraph_expand_queue): Rename from
13332 cgraph_analyze_queue. Update all users.
13333 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13334 cgraph_expand_queue.
13335 (cgraph_expand_all_functions): Likewise.
13336 (cgraph_finalize_pending_functions): Remove. Update callers.
13338 * tree.h (OMP_DIRECTIVE_P): Define.
13339 (OMP_PARALLEL_FN): Define.
13340 (OMP_PARALLEL_DATA_ARG): Define.
13341 (OMP_SECTIONS_SECTIONS): Define.
13342 * tree-pass.h (pass_expand_omp): Declare.
13343 * omp-low.c (struct omp_region): Declare.
13344 (struct omp_context): Remove fields 'parallel_type',
13345 'parallel_start_ix' and 'parallel_start_additional_args'.
13347 (struct omp_for_data): Rename from struct expand_omp_for_data.
13348 (omp_regions): New static variable.
13349 (root_omp_region): New static variable.
13350 (find_omp_clause): Make static.
13351 (is_in_combined_parallel_ctx): Remove.
13352 (is_combined_parallel): New.
13353 (extract_omp_for_data): Move earlier in the file.
13354 (workshare_safe_to_combine_p): New.
13355 (get_ws_args_for): New.
13356 (determine_parallel_type): Move earlier in the file.
13357 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13359 (omp_copy_decl): Likewise.
13360 (create_omp_child_function): Likewise.
13361 (lookup_omp_region): New.
13362 (dump_omp_region): New.
13363 (debug_omp_region): New.
13364 (debug_all_omp_regions): New.
13365 (new_omp_region): New.
13366 (scan_omp_parallel): If parallel_nesting_level > 1, the
13367 directive is nested within another parallel directive.
13368 Set OMP_PARALLEL_FN.
13369 (scan_omp_for): Do not try to handle combined parallel+for
13371 Remove FIXME comment.
13372 (scan_omp_nested): Remove.
13373 (scan_omp_1): Do not call scan_omp_nested when
13374 parallel_nesting_level is > 1.
13375 Do not change the DECL_CONTEXT of local variables found.
13376 (lookup_decl_in_outer_ctx): New.
13377 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13378 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13379 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13380 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13381 If CTX is nested, lookup VAR in the outer context when
13382 building copy assignment.
13383 (lower_send_clauses): Rename from expand_send_clauses.
13384 If CTX is nested, lookup VAR in the outer context when
13385 building copy assignments.
13386 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13387 If CTX is nested, lookup VAR in the outer context when
13388 building copy assignments.
13389 (expand_parallel_call): Rename from build_parallel_call.
13390 Handle combined parallel+workshare cases.
13391 Re-implement to emit code into the CFG.
13393 (expand_omp_parallel): Re-implement to emit code into the CFG.
13394 Call move_sese_region_to_fn to outline the sub-graph
13395 containing the parallel region.
13396 (expand_omp_for_1): Remove.
13397 (expand_omp_for_generic): Re-implement to emit code into the
13399 (expand_omp_for_static_nochunk): Likewise.
13400 (expand_omp_for_static_chunk): Likewise.
13401 (expand_omp_for): Likewise.
13402 (expand_omp_sections): Likewise.
13403 (remove_exit_barriers): New.
13404 (expand_omp_synch): New.
13406 (build_omp_regions_1): New.
13407 (build_omp_regions): New.
13408 (execute_expand_omp): New.
13409 (gate_expand_omp): New.
13410 (pass_expand_omp): Define.
13411 (lower_omp_sections): Rename from expand_omp_sections.
13412 Set OMP_SECTIONS_SECTIONS.
13413 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13414 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13415 (lower_omp_single): Rename from expand_omp_simple.
13416 (lower_omp_master): Rename from expand_omp_master.
13417 (lower_omp_ordered): Rename from expand_omp_ordered.
13418 (lower_omp_critical): Rename from expand_omp_critical.
13419 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13420 (lower_omp_for): Re-implement.
13421 (lower_omp_parallel): Re-implement.
13422 (lower_regimplify): Rename from expand_regimplify.
13423 (lower_omp_1): Rename from expand_omp_1.
13424 If there are syntax errors in the program, replace every
13425 OpenMP directive with NOP.
13426 Call lower_omp_* instead of expand_omp_*.
13427 (lower_omp): Rename from expand_omp.
13429 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13430 * tree-gimple.h (enum omp_parallel_type): Remove.
13431 (gimple_boolify): Declare extern.
13432 (find_omp_clause, determine_parallel_type): Remove.
13434 * gimple-low.c (lower_omp_directive): New.
13435 (lower_stmt): Call it.
13436 (record_vars_into): Move from ...
13437 (record_vars): ... here.
13438 Call record_vars_into with current_function_decl.
13440 * gimplify.c (struct gimplify_ctx): Remove fields
13441 combined_pre_p and combined_ctxp. Update users.
13442 (get_formal_tmp_var): Add documentation.
13443 (gimple_boolify): Make extern.
13444 (gimplify_expr_in_ctx): Remove. Update callers.
13445 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13446 will always be a BIND_EXPR.
13447 (gimplify_expr): Handle OMP_RETURN_EXPR.
13448 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13449 (OMP_PARALLEL): Add 3 operands.
13450 (OMP_SECTIONS): Add 1 operand.
13451 (OMP_RETURN_EXPR): Define.
13453 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13454 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13455 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13456 creating a circular free list.
13457 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13459 * tree-flow.h (move_sese_region_to_fn): Declare.
13460 (record_vars_into): Declare.
13461 * tree-cfg.c (make_omp_sections_edges): New.
13462 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13463 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13464 OMP_SECTIONS and OMP_SECTION.
13465 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13466 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13467 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13468 (gather_blocks_in_sese_region): New.
13469 (struct move_stmt_d): Declare.
13470 (move_stmt_r): New.
13471 (move_block_to_fn): New.
13472 (move_sese_region_to_fn): New.
13474 * passes.c (init_optimization_passes): Schedule
13475 pass_expand_omp after pass_init_datastructures.
13477 * tree-ssa-operands.c (get_expr_operands): Handle
13478 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13479 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13481 2006-01-19 Jeff Law <law@redhat.com>
13483 * tree-vrp.c (extract_range_from_assert): Refine the result range
13484 if the variable referenced by the ASSERT_EXPR has a range and
13485 either the tentative result range or the previous range is a
13488 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13490 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13492 2006-01-19 Jan Hubicka <jh@suse.cz>
13494 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13496 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13498 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13499 (expand_compound_operation, expand_field_assignment): Fail if the
13500 bit lengths of an extract operation are out of range.
13501 (make_extraction): Compute wanted_inner_mode based on the position
13502 and length of the extraction. Make it extraction_mode for non-constant
13503 positions, and do not modify offset in that case. When generating a
13504 new MEM, use a mode that can hold the extraction while keeping correct
13505 alignment. Remove code that supported MEMs wrapped by USEs.
13506 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13508 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13510 * config/s390/s390.md ("Y", "y"): New mode attribute.
13511 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13512 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13513 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13514 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13515 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13516 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13517 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13518 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13519 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13520 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13521 "addsi3", "subsi3"): Insn patterns removed.
13522 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13523 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13524 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13525 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13526 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13527 "*sub<mode>3_cconly2"): New insn patterns.
13528 ("addsi3", "subsi3"): New expanders.
13530 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13532 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13533 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13534 existing STMT_VINFO_VECTYPE if available.
13535 (vect_mark_relevant): Add special handling for stmts that are
13536 marked as STMT_VINFO_IN_PATTERN_P.
13537 (vect_analyze_loop): Call vect_pattern_recog.
13538 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13539 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13541 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13542 (vect_recog_func_ptr): New function-pointer type.
13543 * tree-vect-patterns.c: New file.
13544 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13545 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13546 (vect_pattern_recog_1): New functions.
13547 (vect_pattern_recog_funcs): New array of function pointers.
13549 * tree-vectorizer.h (ternary_op): New enum value.
13550 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13551 declaration. Revised documentation. Removed redundant dump prints.
13552 Removed redundant argument. Added support for reduction patterns.
13553 (vectorizable_reduction): Added support for reduction patterns.
13554 (vect_transform_stmt): Added support for patterns.
13556 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13557 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13558 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13559 (expand_widen_pattern_expr): New function.
13560 (init_optabs): Initialize new optabs udot_prod_optab,
13562 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13563 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13564 (expand_widen_pattern_expr): New function declaration.
13565 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13567 * tree-inline.c (estimate_num_insns_1): Added cases for new
13568 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13569 * tree-pretty-print.c (dump_generic_node): Likewise.
13570 (op_prio): Likewise.
13571 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13572 * tree-ssa-operands.c (get_expr_operands): Added case for
13574 * tree-vect-patterns.c (widened_name_p): New function.
13575 (vect_recog_dot_prod_pattern): Added function implementation.
13576 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13577 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13578 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13579 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13581 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13582 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13583 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13584 (init_optabs): Initialize new optabs widen_ssum_optab,
13586 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13587 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13588 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13589 use instead of type of def.
13590 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13591 function implementation.
13592 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13593 widen_ssumv8hi): New.
13595 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13598 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13601 * c-decl.c (add_flexible_array_elts_to_size): New function.
13602 (finish_decl): Use it.
13604 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13606 * diagnostic.h: Include options.h.
13607 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13608 dependancies for diagnostic.h.
13609 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13611 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13613 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13614 (ssa_ro_call_cache_valid): Ditto.
13615 * tree-ssa-alias.c (sort_tags_by_id): New function.
13616 (init_transitive_clobber_worklist): Ditto.
13617 (add_to_worklist): Ditto.
13618 (mark_aliases_call_clobbered): Ditto.
13619 (compute_tag_properties): Ditto.
13620 (set_initial_properties): Ditto.
13621 (compute_call_clobbered): Ditto.
13622 (compute_may_aliases): Call compute_call_clobbered and grouping.
13623 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13624 (compute_flow_insensitive_aliasing): Grouping now happens in our
13626 (setup_pointers_and_addressables): Remove clobbering related code.
13627 (add_may_alias): Ditto.
13628 (replace_may_alias): Ditto.
13629 (get_nmt_for): Ditto.
13630 (create_global_var):
13631 (is_escape_site): Return an escape_type enumeration.
13632 * tree-flow-inline.h (is_call_clobbered): Global var does not
13633 imply call clobbered.
13634 (mark_call_clobbered): Take a reason for marking this. Remove
13635 marking of globalness, and cache invalidation.
13636 (clear_call_clobbered): Remove cache invalidation code.
13637 * tree-dfa.c (dump_variable): If details is on, dump the reason
13639 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13641 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13642 (struct var_ann_d): Ditto.
13643 (enum escape_type): New.
13644 (mark_call_clobbered): Adjust prototype.
13645 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13646 are never call clobbered.
13647 Record reasons for escaping.
13648 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13649 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13650 (ssa_ro_call_cache_valid): Ditto.
13651 (clobbered_v_may_defs): Ditto.
13652 (clobbered_vuses): Ditto.
13653 (ro_call_vuses): Ditto.
13654 (clobber_stats): New.
13655 (init_ssa_operands): Zero out clobber stats.
13656 (fini_ssa_operands): Print out clobber stats.
13657 (get_call_expr_operands): Pass callee fndecl to
13658 add_call_read_ops).
13659 (add_call_clobber_ops): Remove use of cache.
13660 Add use of PURE_CONST information.
13661 (add_call_read_ops): Remove use of cache.
13662 Add use of static not_read information.
13664 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13666 Introduce TLS descriptors for i386 and x86_64.
13667 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13668 (TARGET_ANY_GNU_TLS): New macro.
13669 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13670 (struct machine_function): Add tls_descriptor_call_expanded_p.
13671 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13672 (ix86_current_function_calls_tls_descriptor): Likewise.
13673 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13674 (override_options): Introduce gnu2 tls dialect.
13675 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13677 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13679 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13680 (ix86_init_machine_status): Initialize new field.
13681 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13682 (ix86_tls_module_base): New.
13683 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13684 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13685 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13686 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13687 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13688 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13689 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13690 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13691 * config/i386/predicates.md (tls_modbase_operand): New.
13692 (tp_or_register_operand): New.
13694 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13696 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13697 (look_for_address_of): Ditto.
13698 (ipa_init): Walk the function decls.
13699 (static_execute): Don't set readonly on FUNCTION_DECL's.
13701 2006-01-18 Roger Sayle <roger@eyesopen.com>
13703 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13704 for shifts where the source and destination registers are different.
13706 2006-01-18 Paul Brook <paul@codesourcery.com>
13708 Merge from csl-arm-branch.
13709 2005-03-14 Julian Brown <julian@codesourcery.com>
13710 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13711 (aeabi_llsl): Likewise.
13712 (ashrdi3): Likewise.
13713 (aeabi_lasr): Likewise.
13714 (lshrdi3): Likewise.
13715 (aeabi_llsr): Likewise.
13716 2005-03-10 Julian Brown <julian@codesourcery.com>
13717 * config.gcc: Disable shared libgcc for SymbianOS.
13718 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13720 2006-01-18 DJ Delorie <dj@redhat.com>
13722 * c-pragma.c (handle_pragma_diagnostic): New.
13723 (init_pragma): Register it.
13724 * doc/extend.texi: Document it.
13726 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13727 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13728 (diagnostic_context): Add classify_diagnostic[].
13729 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13730 as errors if they're overridden to DK_WARNING.
13731 (diagnostic_initialize): Initialize classify_diagnostic[].
13732 (diagnostic_set_kind_override): New.
13733 (diagnostic_report_diagnostic): Check for kind changes.
13734 * opts.c (common_handle_option): Take lang_mask. Update callers.
13735 Handle OPT_Werror_.
13736 * common.opt (Werror=): New.
13737 * doc/invoke.texi: Document -Werror=*
13739 2006-01-18 Jeff Law <law@redhat.com>
13741 * tree-vrp.c (test_for_singularity): Correct test for new
13742 min limit. Use operand_equal_p rather than pointer equality
13743 for testing if new min/max values are equal.
13745 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13746 using range information until after propagation and folding.
13748 2006-01-18 Richard Henderson <rth@redhat.com>
13749 Aldy Hernandez <aldyh@redhat.com>
13750 Jakub Jelinek <jakub@redhat.com>
13751 Diego Novillo <dnovillo@redhat.com>
13753 * omp-low.c: New file.
13754 * c-omp.c: New file.
13756 2006-01-18 Richard Henderson <rth@redhat.com>
13757 Jakub Jelinek <jakub@redhat.com>
13758 Diego Novillo <dnovillo@redhat.com>
13760 * doc/invoke.texi: Document -fopenmp.
13761 * tree-dump.h (debug_function): Declare.
13762 * hooks.c (hook_bool_tree_bool_false): New function.
13763 (hook_tree_tree_null): Remove.
13764 (hook_tree_tree_tree_null): New.
13765 * hooks.h: Update to match.
13766 * tree-pretty-print.c (debug_tree_chain): New.
13767 (print_generic_expr): Handle TDF_CHAIN.
13768 (dump_generic_node): Handle BLOCK.
13769 Do not abort with incomplete SWITCH_EXPRs.
13770 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13771 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13772 print space after directive name.
13773 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13774 Handle OMP_MASTER and OMP_ORDERED.
13775 Handle printing of OMP_BODY just in one place, goto
13776 dump_omp_body in the rest of OMP_* nodes that have
13778 Don't handle clause nodes here. Update omp statements to
13779 use dump_omp_clauses.
13780 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13781 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13782 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13783 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13784 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13785 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13786 Adjust output for GOMP_PARALLEL.
13787 (dump_omp_clauses): New.
13788 (print_declaration): Dump DECL_VALUE_EXPR.
13789 (op_symbol_1): Split out of op_symbol.
13790 (dumping_stmts): Remove. Update all users.
13791 * cgraph.c (cgraph_analyze_queue): New.
13792 (cgraph_add_new_function): New.
13793 * cgraph.h (cgraph_analyze_queue): Declare.
13794 (cgraph_add_new_function): Declare.
13795 (cgraph_lower_function): Remove.
13796 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13797 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13798 and TYPE_P nodes in its default clause.
13799 (empty_body_p): New.
13800 (tree_range_check_failed): New.
13801 (build5_stat): New.
13802 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13803 OMP_CLAUSE_REDUCTION_MERGE,
13804 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13805 OMP_CLAUSE_PRIVATE_DEBUG,
13806 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13807 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13808 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13809 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13810 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13811 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13812 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13813 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13814 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13815 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13816 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13817 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13818 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13819 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13820 (TREE_RANGE_CHECK): New.
13821 (empty_body_p): Declare.
13822 (enum omp_clause_default_kind): New.
13823 (build_string_literal): Declare.
13824 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13825 (build5_stat, build5): Declare.
13826 * tree-pass.h (TDF_CHAIN): Define.
13827 * tree-pass.h (PROP_gimple_lomp): Define.
13828 (pass_lower_omp): Declare.
13829 * diagnostic.h (debug_tree_chain): Declare.
13830 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13832 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13833 * builtins.c (build_string_literal): Make extern.
13834 * gcc.c (include_spec_function): New.
13835 (static_spec_functions): Add it.
13836 (main): Move load of libgomp.spec ...
13837 (LINK_COMMAND_SPEC): ... here.
13838 (link_gomp_spec): New.
13839 (static_specs): Include it.
13840 (LINK_COMMAND_SPEC): Add link_gomp.
13841 (GOMP_SELF_SPECS): New.
13842 (driver_self_specs): Include it.
13843 (switch_matches): Don't mark inline.
13844 (main): Load libgomp.spec.
13845 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13846 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13847 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13848 * tree-gimple.h (enum omp_parallel): Declare.
13849 (determine_parallel_type): Declare.
13850 (omp_firstprivatize_variable): Declare.
13851 (omp_reduction_init): Declare.
13852 (diagnose_omp_structured_block_errors): Declare.
13853 (struct walk_stmt_info): Add want_return_expr.
13854 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13855 (find_omp_clause): Declare.
13856 (insert_field_into_struct): Declare.
13857 (struct walk_stmt_info): Move from tree-nested.c
13858 (walk_stmts): Declare.
13859 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13861 * cgraphunit.c (cgraph_lower_function): Make static.
13862 (cgraph_finalize_pending_functions): New.
13863 (cgraph_finalize_function): Call it.
13864 (cgraph_finalize_compilation_unit): Likewise.
13865 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13866 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13867 (BT_FN_UINT_UINT): New.
13868 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13869 DEF_FUNCTION_TYPE_VAR_4): Document.
13870 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13871 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13872 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13873 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13874 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13875 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13876 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13877 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13878 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13879 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13880 into separate files.
13881 (DEF_GOMP_BUILTIN): New.
13882 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13883 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13884 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13885 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13886 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13887 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13888 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13889 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13890 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13891 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13892 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13893 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13894 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13895 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13896 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13897 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13898 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13899 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13900 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13901 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13902 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13903 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13904 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13905 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13906 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13907 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13908 * sync-builtins.def: New file, moved from builtins.def.
13909 * omp-builtins.def: New file, moved from builtins.def.
13910 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13911 * gimple-low.c (lower_function_body): Clear data.
13912 (lower_stmt): Do not handle COMPOUND_EXPR.
13913 Remove call to print_node_brief.
13914 * c-tree.h (c_finish_omp_clauses): New prototype.
13915 (C_DECL_THREADPRIVATE_P): Define.
13916 (lookup_name_no_remap, c_omp_remap_private): Remove
13917 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13918 (check_for_loop_decls): Update decl.
13919 (lookup_name_no_remap, c_omp_remap_private): Declare.
13920 (build_indirect_ref, build_modify_expr, pushdecl,
13921 pushdecl_top_level): Move to c-common.h.
13922 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13923 before the switch, but just in the 2 places that need it.
13924 * c-decl.c (diagnose_mismatched_decls): Do not check for
13925 mismatched thread-local attributes when OLDDECL is marked
13926 threadprivate and NEWDECL has no thread-local attributes.
13927 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13928 (c_gimple_diagnostics_recursively): Rename from
13929 c_warn_unused_result_recursively. Invoke
13930 diagnose_omp_structured_block_errors.
13931 (check_for_loop_decls): Return a singular decl found.
13932 * langhooks.c (lhd_omp_predetermined_sharing): Return
13933 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13934 (lhd_omp_firstprivatize_type_sizes): New.
13935 (lhd_omp_assignment): New.
13936 (lhd_omp_predetermined_sharing): New.
13937 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13938 (struct lang_hooks_for_types): Add
13939 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13940 omp_predetermined_sharing, omp_disregard_value_expr,
13941 omp_private_debug_clause, omp_clause_default_ctor,
13942 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13943 (c_finish_omp_clauses): New.
13944 (c_finish_bc_stmt): Diagnose break within omp for.
13945 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13946 (build_unary_op): Return error_mark after reporting
13948 (build_modify_expr): Likewise.
13949 * gimplify.c: Include optabs.h and pointer-set.h.
13950 (enum gimplify_omp_var_data): Declare.
13951 (struct gimplify_omp_ctx): Declare.
13952 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13954 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13955 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13956 (splay_tree_compare_decl_uid): New.
13957 (new_omp_context): New.
13958 (delete_omp_context): New.
13959 (gimple_add_tmp_var): Call omp_add_variable.
13960 (gimplify_bind_expr): Likewise.
13961 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13962 true, disregard DECL_VALUE_EXPR on the decl if any.
13963 (gimplify_expr_in_ctx): New.
13964 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13965 omp_add_variable, omp_notice_variable, omp_is_private
13966 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13967 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13968 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13969 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13970 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13971 gimplify_omp_atomic): New.
13972 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13973 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13974 OMP_CRITICAL and OMP_ATOMIC.
13975 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13976 * c-pragma.h (enum pragma_kind): Add
13977 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13978 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13979 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13980 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13981 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13982 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13983 PRAGMA_OMP_THREADPRIVATE.
13984 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13985 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13986 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13987 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13988 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13989 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13990 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13991 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13992 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
13993 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
13994 * tree-ssa-dce.c (find_control_dependence): Do not assume that
13995 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
13996 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
13998 (struct nesting_info): Add field_map,
13999 suppress_expansion, debug_var_chain.
14000 (create_nesting_tree): Initialize them.
14001 (lookup_field_for_decl): Use field_map.
14002 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14003 (convert_local_omp_clauses): New.
14004 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14005 (walk_body): Split out of walk_function.
14006 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14007 (convert_nonlocal_reference): Handle omp statements.
14008 (convert_local_reference): Likewise.
14009 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14010 (unnest_nesting_tree): New.
14011 (lower_nested_functions): Call it.
14012 (insert_field_into_struct): Make extern.
14013 (struct walk_stmt_info): Move to tree-gimple.h.
14014 (walk_stmts): Make extern.
14015 * omp-builtins.def: New file.
14016 * tree-iterator.c (expr_only): Clarify comment.
14017 * c-common.h (pushdecl_top_level, pushdecl,
14018 build_modify_expr, build_indirect_ref,
14019 c_finish_omp_master, c_finish_omp_critical,
14020 c_finish_omp_ordered, c_finish_omp_barrier,
14021 c_finish_omp_atomic, c_finish_omp_flush,
14022 c_finish_omp_for, c_split_parallel_clauses,
14023 omp_clause_default_kind, c_omp_sharing_predetermined,
14024 c_omp_remap_decl): Declare.
14025 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14026 (OBJS-common): Add omp-low.o.
14027 (c-omp.o, omp-low.o): Add.
14028 (gimplify.o): Add dependency on $(OPTABS_H).
14029 (GTFILES): Add omp-low.c.
14030 (gt-stringpool.h): Add.
14031 * tree-cfg.c (set_bb_for_stmt): Do not update the
14032 block-to-labels map if we are currently expanding to RTL.
14033 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14035 Handle IDENTIFIER_NODE.
14036 (tree_verify_flow_info): Do not ICE when emitting error
14037 messages about invalid labels.
14038 (dump_function_to_file): Reset CFUN before emitting the body
14040 (debug_function): New.
14041 * passes.c (init_optimization_passes): Schedule
14043 * langhooks-def.h (lhd_omp_predetermined_sharing,
14044 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14046 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14047 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14048 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14049 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14050 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14051 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14052 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14053 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14054 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14055 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14056 (LANG_HOOK_DECLS): Use them.
14058 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14059 Richard Henderson <rth@redhat.com>
14060 Jakub Jelinek <jakub@redhat.com>
14061 Diego Novillo <dnovillo@redhat.com>
14063 * c-parser.c (pragma_omp_clause): Define.
14064 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14065 (c_parser_compound_statement): Likewise.
14066 (c_parser_statement): Likewise.
14067 (c_parser_pragma): Handle omp pragmas.
14068 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14069 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14070 (c_parser_omp_clause_name, check_no_duplicate_clause,
14071 c_parser_omp_variable_list,
14072 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14073 c_parser_omp_clause_copyprivate,
14074 c_parser_omp_clause_default,
14075 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14076 c_parser_omp_clause_lastprivate,
14077 c_parser_omp_clause_nowait,
14078 c_parser_omp_clause_num_threads,
14079 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14080 c_parser_omp_clause_reduction,
14081 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14082 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14083 c_parser_omp_atomic, c_parser_omp_barrier,
14084 c_parser_omp_critical, c_parser_omp_flush,
14085 c_parser_omp_for_loop, c_parser_omp_for,
14086 c_parser_omp_master, c_parser_omp_ordered,
14087 c_parser_omp_sections_scope, c_parser_omp_sections,
14088 c_parser_omp_parallel, c_parser_omp_single,
14089 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14090 * c-pragma.c (init_pragma): Do omp pragma registration here.
14091 * c.opt (fopenmp): New flag.
14093 2006-01-18 Eric Christopher <echristo@apple.com>
14095 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14096 * config/darwin.h (GOMP_SELF_SPECS): Define.
14098 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14100 * rtl.h: Remove the prototype for reg_alloc.
14102 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14105 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14106 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14107 sjlj and dwarf2 exception handling.
14108 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14109 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14110 * pa/pa.c (function_value): Treat complex and vector types as
14112 (function_arg): Likewise. Only pass scalar floats in the floating
14113 point argument registers.
14114 * pa/t-slibgcc-dwarf-ver: New file.
14115 * pa/t-slibgcc-sjlj-ver: New file.
14116 * pa/t-slibgcc-elf-ver: Delete file.
14118 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14120 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14121 unlikely_test_section_p test.
14123 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14125 * mode-switching.c (optimize_mode_switching): Make it static.
14126 * basic-block.h: Remove the prototype for
14127 optimize_mode_switching.
14129 * modulo-sched.c (sms_schedule): Make it static.
14130 * rtl.h: Remove the prototype for sms_schedule.
14132 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14133 * rtl.h: Remove the prototype for gcse_after_reload_main.
14135 * reg-stack.c (reg_to_stack): Make it static.
14136 * rtl.h: Remove the prototype for reg_to_stack.
14138 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14140 * rtl.h: Remove the prototypes for regrename_optimize and
14141 copyprop_hardreg_forward.
14143 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14145 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14146 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14147 Test against the appropriate null constant for the mode.
14148 If 'fixup_overlap' is true, swap the operands if they overlap.
14149 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14150 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14151 alpha_split_tmode_pair and adjust for above change.
14152 * config/alpha/alpha.md (movtf_internal): Adjust call to
14153 alpha_split_tfmode_pair and rely on it to swap the operands.
14154 (movti_internal): New insn and post-reload splitter.
14155 (movti): New expander.
14157 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14159 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14162 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14164 * rtlanal.c (global_reg_mentioned_p_1,
14165 global_reg_mentioned_p): Remove.
14166 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14168 * flow.c (initialize_uninitialized_subregs): Make it static.
14169 * rtl.h: Remove the prototype for
14170 initialize_uninitialized_subregs.
14172 * function.c (instantiate_virtual_regs): Make it static.
14173 * function.h: Remove the prototype for
14174 instantiate_virtual_regs.
14176 * regmove.c (regmove_optimize, combine_stack_adjustments):
14178 * rtl.h: Remove the prototypes for regmove_optimize and
14179 combine_stack_adjustments.
14181 2006-01-17 Roger Sayle <roger@eyesopen.com>
14183 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14184 (size_cost): Encode costs in bytes so that a reg-reg addition is
14185 equivalent to COSTS_N_INSNS(1).
14186 (override_options): Use the size_cost.branch_cost as the default
14187 ix86_branch_cost when optimizing for size.
14189 2006-01-18 Ben Elliston <bje@au.ibm.com>
14191 * Makefile.in (D32PBIT_FUNCS): New.
14192 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14193 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14194 D64PBIT_FUNCS and D128PBIT_FUNCS.
14195 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14196 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14198 (decnumber_dep): Define.
14199 * doc/libgcc.texi (Decimal float library routines): New node.
14200 * config/dfp-bit.h, config/dfp-bit.c: New files.
14202 2006-01-18 Ben Elliston <bje@au.ibm.com>
14204 * expr.c (emit_move_change_mode): Always adjust addresses, not
14205 just during reload. Copy replacements only during reload.
14206 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14207 emit_move_via_integer.
14209 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14211 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14212 instead of $(srcdir) and ${srcdir}.
14214 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14217 PR middle-end/11135
14218 * arm.h (struct machine_function): Add pic_reg.
14219 * arm.c (arm_pic_register): Make unsigned.
14220 (arm_override_options): Only set arm_pic_register if
14221 TARGET_SINGLE_PIC_BASE.
14222 (use_return_insn): Only test for a pic register if it is fixed.
14223 (arm_compute_save_reg0_reg12_mask): Likewise.
14224 (thumb_compute_save_reg_mask): Likewise.
14225 (legitimate_pic_operand): Factor out some known invariants.
14226 (legitimize_pic_address): If we don't have a fixed pic register,
14227 then set up a pseudo in the function entry sequence. Handle the
14228 pic base being in a pseudo.
14229 (arm_load_pic_register): Handle the pic register being in a pseudo.
14230 (arm_expand_prologue): Only set up the pic register if it is fixed.
14231 (thumb_expand_prologue): Likewise.
14232 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14233 (pic_load_addr_based_insn): Likewise.
14234 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14237 2006-01-18 Ben Elliston <bje@au.ibm.com>
14239 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14240 decimal float modes for all floating point registers.
14242 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14243 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14245 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14248 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14249 even when the pointer is not NULL.
14251 2006-01-16 Ian Lance Taylor <ian@airs.com>
14253 * common.opt (ftoplevel-reorder): New option.
14254 * cgraph.c (cgraph_asm_nodes): New global variable.
14255 (cgraph_asm_last_node): New static variable.
14256 (cgraph_order): New global variable.
14257 (cgraph_create_node): Set new order field.
14258 (cgraph_varpool_node): Likewise.
14259 (decide_is_variable_needed): Return true if not
14260 flag_toplevel_reorder.
14261 (cgraph_add_asm_node): New function.
14262 * cgraph.h (struct cgraph_node): Add order field.
14263 (struct cgraph_varpool_node): Add order field.
14264 (struct cgraph_asm_node): Define.
14265 (cgraph_asm_nodes, cgraph_order): Declare.
14266 (cgraph_add_asm_node): Declare.
14267 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14269 (cgraph_varpool_assemble_pending_decls): Call it.
14270 (cgraph_output_pending_asms): New static function.
14271 (cgraph_finalize_compilation_unit): Call it.
14272 (struct cgraph_order_sort): Define.
14273 (cgraph_output_in_order): New static function.
14274 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14275 !flag_toplevel_reorder case.
14276 * c-parser.c: Include "cgraph.h".
14277 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14279 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14280 than -fno-unit-at-a-time.
14281 * doc/invoke.texi (Option Summary): Mention
14282 -fno-toplevel-reorder.
14283 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14284 -funit-at-a-time documentation.
14286 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14287 Kazu Hirata <kazu@codesourcery.com>
14289 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14291 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14293 * Makefile.in (FUNCTION_H): New. Use it instead of
14294 function.h throughout the file.
14295 * function.h: Include tree.h.
14297 2006-01-17 Ben Elliston <bje@au.ibm.com>
14299 * recog.c: Separate some functions with whitespace.
14301 2006-01-16 Richard Henderson <rth@redhat.com>
14303 Merge from gomp branch:
14304 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14305 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14306 and rename from struct inline_data. Rename callee* to dst*;
14307 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14308 transform_new_cfg, transform_return_to_modify, and
14309 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14311 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14312 (copy_decl_for_dup): Remove.
14313 * tree-inline.c (struct inline_data): Move to header.
14314 (insert_decl_map): Export.
14315 (remap_decl): Update for member name changes. Use copy_decl hook.
14316 Allow for replacement to be a non-decl. Remove dead code.
14317 (remap_type_1): Check for existing mapping.
14318 (remap_type): Export.
14319 (remap_decls): Update for member name changes.
14320 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14321 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14322 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14323 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14324 (tree_function_versioning, build_duplicate_type): Likewise.
14325 (copy_body_r): Likewise. Export.
14326 (copy_decl_for_dup): Split into ...
14327 (copy_decl_for_dup_finish, copy_decl_to_var,
14328 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14329 (replace_ref_tree, inlining_p): Remove.
14331 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14333 * ifcvt.c (if_convert): Make it static.
14334 * rtl.h: Remove the prototype for if_convert.
14336 * local-alloc.c (local_alloc): Make it static.
14337 * rtl.h: Remove the prototype for local_alloc.
14339 * loop.c (loop_optimize): Make it static.
14340 * cfgloop.h: Remove the prototype for loop_optimize.
14343 2006-01-16 DJ Delorie <dj@redhat.com>
14345 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14348 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14350 * pa.md: Disparage copies between general and floating-point registers
14351 in 32-bit move patterns.
14353 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14356 * Makefile.in (check-%): Depend on site.exp instead of
14357 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14360 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14362 * global.c (global_alloc): Make it static.
14363 * rtl.h: Remove the prototype for global_alloc.
14365 2006-01-16 Richard Guenther <rguenther@suse.de>
14367 * tree-ssa-alias.c (struct used_part): Add write_only field.
14368 (get_or_create_used_part_for): Initialize it to true.
14369 (create_overlap_variables_for): Don't create structure variables
14370 for structures that only are written to.
14371 (find_used_portions): Handle MODIFY_EXPR to track whether a
14372 structure is only written to.
14374 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14376 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14378 * basic-block.h: Remove the prototype for
14379 partition_hot_cold_basic_blocks.
14381 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14383 * cppspec.c (lang_specific_spec_functions): Remove.
14384 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14385 * gcc.h (lang_specific_spec_functions): Remove.
14386 * gccspec.c (lang_specific_spec_functions): Remove.
14388 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14390 * combine.c (record_value_for_reg): Invalidate registers
14392 (record_dead_and_set_regs_1): Likewise, by passing them to
14393 record_value_for_reg.
14394 (record_dead_and_set_regs): Invalidate stores made by a
14395 call. We do not combine across a call, but we still
14396 relied on equivalences.
14398 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14400 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14401 vrp_int_const_binop returning non-constant nodes.
14403 2006-01-16 Paul Brook <paul@codesourcery.com>
14405 * config/m68k/m68k.c (output_move_const_into_data_reg):
14406 Output correct mnemonic for mvz and mvs.
14408 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14410 * rtl-factoring.c: Add sequence abstraction algorithm.
14411 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14412 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14414 (block_has_preserve_label): New function.
14415 * common.opt: Register new pass.
14416 * Makefile.in: Ditto.
14418 * timevar.def: Ditto.
14419 * tree-pass.h: Ditto.
14420 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14421 * rtl.h (make_jump_insn_raw): Add forward decl.
14422 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14424 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14425 Roger Sayle <roger@eyesopen.com>
14427 * fold-const.c (fold_minmax): New static function.
14428 (fold_binary) <MIN_EXPR>: Call it.
14429 <MAX_EXPR>: Likewise.
14430 * stor-layout.c (place_field): Use DECL_SIZE consistently
14431 in the computation of the new record size.
14433 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14435 * cse.c (cse_condition_code_reg): Make it static.
14436 * rtl.h: Remove the prototype for cse_condition_code_reg.
14438 * combine.c (combine_instructions): Make it static.
14439 * rtl.h: Remove the prototype for combine_instructions.
14441 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14444 * tree.c (get_file_function_name_long): Concatenate the first global
14445 object name with a string derived from the input filename of the object
14448 2006-01-16 Ben Elliston <bje@au.ibm.com>
14450 * config/i386/winnt-stubs.c: Update FSF address.
14451 * config/xtensa/ieee754-df.S: Ditto.
14452 * config/xtensa/ieee754-sf.S: Ditto.
14454 2006-01-14 Ian Lance Taylor <ian@airs.com>
14456 * ifcvt.c (noce_init_if_info): New static function, broken out of
14457 noce_process_if_block.
14458 (noce_process_if_block): Call noce_init_if_info.
14459 (check_cond_move_block): New static function.
14460 (cond_move_process_if_block): New static function.
14461 (process_if_block): Call cond_move_process_if_block.
14463 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14465 * cselib.c (hash_table): Rename to cselib_hash_table.
14466 (cselib_clear_table, discard_useless_values,
14467 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14468 cselib_init, cselib_finish): Adjust uses of hash_table.
14470 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14472 PR tree-optimization/25485
14473 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14474 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14475 is known to be false and true, respectively.
14477 2006-01-14 Richard Guenther <rguenther@suse.de>
14479 PR tree-optimization/22548
14480 PR tree-optimization/22555
14481 PR tree-optimization/22501
14482 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14483 * params.def (salias-max-array-elements): New parameter.
14484 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14485 * doc/invoke.texi (salias-max-array-elements): Document.
14486 * tree-flow-inline.h (var_can_have_subvars): We also handle
14488 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14490 * tree-ssa-structalias.c (params.h): Include.
14491 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14492 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14493 (get_constraint_for): For ADDR_EXPR operating on something
14494 containing an ARRAY_REF, add all subvars to the solution.
14495 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14496 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14497 for creating MUST_DEFs.
14498 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14500 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14502 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14504 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14505 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14506 number_of_iterations_le): New functions.
14507 (number_of_iterations_special): Removed.
14508 (number_of_iterations_exit): Do not use number_of_iterations_special.
14509 * tree.c (unsigned_type_for): Always return integer type.
14511 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14512 Richard Guenther <rguenther@suse.de>
14514 PR rtl-optimization/24257
14515 * gcse.c (find_moveable_store): Only consider a store movable
14516 when the SET_SRC of the insn can be assigned to a register.
14518 2006-01-14 Ian Lance Taylor <ian@airs.com>
14520 * tree.c (tree_not_class_check_failed): New function.
14521 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14522 (tree_not_class_check_failed): Declare.
14524 2006-01-13 Ian Lance Taylor <ian@airs.com>
14526 * reload1.c (do_output_reload): Add assertion rejecting a
14529 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14531 * combine.c (struct reg_stat): Add new fields truncation_label and
14533 (record_value_for_reg): Reset truncated_to_mode.
14534 (record_truncated_value): New function.
14535 (check_promoted_subreg): Call it. Rename to check_conversions.
14536 (combine_instructions): Rename check_promoted_subreg to
14538 (reg_truncated_to_mode): New function.
14539 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14540 (gen_lowpart_or_truncate): New function.
14541 (force_to_mode): Use it instead of gen_lowpart.
14543 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14545 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14546 VAR is a tag, not its type tag.
14548 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14550 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14551 alternatives to match style of other entries.
14552 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14554 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14556 PR tree-optimization/25771
14557 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14560 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14563 * tree-inline.c (declare_return_variable): If the return variable
14564 was marked as a non gimple complex, set the return slot variable
14565 to be a non gimple comple variable.
14567 2006-01-13 Richard Guenther <rguenther@suse.de>
14569 * builtins.c (expand_builtin_sincos): New function.
14570 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14572 (expand_builtin): Expand sincos using expand_builtin_sincos.
14574 2006-01-12 DJ Delorie <dj@redhat.com>
14576 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14577 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14578 so that constant shifts can be split.
14579 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14580 (m32c_valid_pointer_mode): Make static.
14581 (shift_gen_func_for): New.
14582 (m32c_prepare_shift): Use it. Split large const shifts into
14584 * config/m32c/predicates.md (shiftcount_operand): Allow more
14586 (longshiftcount_operand): New.
14587 * doc/md.texi (Machine Constraints): Document In6.
14589 2006-01-13 Ben Elliston <bje@au.ibm.com>
14591 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14592 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14595 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14597 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14598 to try to avoid clobbering pieces of structures when we know
14599 something about the whole structure.
14600 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14602 2006-01-13 Ben Elliston <bje@au.ibm.com>
14604 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14605 return in memory, as this is no limitation is no longer present.
14607 2006-01-12 DJ Delorie <dj@redhat.com>
14609 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14610 mova with fb, and for fb+0 -> An.
14612 * config/m32c/mov.md (peephole2): Fix enabling logic.
14614 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14615 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14616 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14617 FINI_ARRAY_SECTION_ASM_OP): Define.
14619 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14621 (m32c_legitimize_reload_address): New logic to reload FB to An.
14622 (m32c_output_reg_push): Add newline.
14623 (m32c_output_reg_pop): Likewise.
14625 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14627 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14629 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14631 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14633 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14635 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14638 2006-01-11 Ben Elliston <bje@au.ibm.com>
14640 * rtlanal.c (find_reg_note): Assert insn is not null.
14642 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14644 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14647 2006-01-11 Jeff Law <law@redhat.com>
14649 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14651 (mark_threaded_blocks, register_jump_thread): New functions.
14652 (thread_through_all_blocks): Remove unwanted argument. No
14653 longer rely on e->aux to communicate thread target info.
14654 Call mark_threaded_blocks. Release the threaded_blocks
14655 bitmap and threaded_edges vector when complete.
14656 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14657 (threaded_blocks): Remove.
14658 (tree_ssa_dominator_optimize): Remove initialization and
14659 finalization of threaded_blocks. Simplify call to
14660 thread_through_all_blocks.
14661 (thread_across_edge): Call register_jump_thread rather than
14662 storing thread information into e->aux.
14663 (free_all_edge_infos): Simplify now that e->aux is no longer
14664 used to communicate with thread_through_all_blocks.
14665 * tree-flow.h (thread_through_all_blocks): Update prototype.
14666 (register_jump_thread): Prototype.
14668 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14670 * df-core.c (df_compact_blocks, df_bb_replace): Use
14671 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14673 2006-01-11 Richard Guenther <rguenther@suse.de>
14675 PR tree-optimization/25734
14676 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14677 stop propagation after successful propagation to the LHS.
14679 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14681 * basic-block.h (control_flow_graph): Change the type of
14682 x_basic_block_info to VEC(basic_block,gc) *.
14683 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14685 (SET_BASIC_BLOCK): New.
14686 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14687 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14688 * cfgbuild.c (find_basic_blocks): Likewise.
14689 * cfglayout.c (fixup_reorder_chain): Likewise.
14690 * cfgrtl.c (create_basic_block_structure,
14691 rtl_create_basic_block): Likewise.
14692 * ifcvt.c (find_if_case_1): Likewise.
14693 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14696 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14698 * Makefile.in: Removed rotted odf.c entry.
14700 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14703 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14704 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14705 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14706 output pattern modifier, not %e.
14707 * config/cris/cris.c (cris_op_str): Update comment about pattern
14709 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14710 before falling through into...
14711 <case 'E'>: Redefined from old 'e' case.
14713 2006-01-11 Jan Hubicka <jh@suse.cz>
14716 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14718 2006-01-11 Jan Hubicka <jh@suse.cz>
14720 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14721 * i386.c (x86_decompose_lea): Kill.
14722 (ix86_rtx_costs): Kill.
14724 2006-01-11 Jan Hubicka <jh@suse.cz>
14726 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14727 * cgraph.h (cgraph_node): Add inline_decl.
14728 (cgraph_insert_node_to_hashtable): Declare.
14729 (save_inline_function_body): Declare.
14730 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14732 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14733 (cgraph_function_versioning): Update call of tree_function_versioning.
14734 (save_inline_function_body): New function.
14735 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14736 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14737 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14738 (cgraph_default_inline_p): Likewise.
14739 (cgraph_decide_inlining_incrementally): Likewise.
14740 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14741 (copy_bb): Kill saving; do updating of clones.
14742 (copy_cfg_body): Kill saving.
14743 (initialize_inlined-parameters): Likewise.
14744 (expand_call_inline): Likewise.
14746 (tree_function_versioning): New parameter "update_clones".
14747 (inlining_p): Kill saving.
14748 * tree-inline.h (tree_function_versioning): Update prototype.
14749 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14752 2006-01-11 Ian Lance Taylor <ian@airs.com>
14754 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14755 Allow undoing set of machine mode.
14756 (do_SUBST): Use enums instead of is_int.
14757 (do_SUBST_MODE): New function.
14758 (SUBST_MODE): New macro.
14759 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14760 reg and trying to replace reg_regno_rtx with a new register.
14761 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14762 (simplify_set): Use SUBST_MODE.
14763 (distribute_notes): Remove code that tried to update reg notes
14764 for regno_reg_rtx changes.
14766 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14768 PR tree-optimization/23109
14769 PR tree-optimization/23948
14770 PR tree-optimization/24123
14772 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14773 * tree-cfg.c (single_noncomplex_succ): New.
14774 * tree-flow.h (single_noncomplex_succ): Declare it.
14775 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14776 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14777 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14778 insert_bb, register_division_in, insert_reciprocals,
14779 replace_reciprocal, free_bb): New.
14780 (execute_cse_reciprocals_1): Rewritten.
14781 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14782 Do not commit any edge insertion. Always compute dominators and
14783 create the allocation pool.
14784 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14785 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14786 * targhooks.c (default_min_divistions_for_recip_mul): New.
14787 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14788 * passes.c (init_optimization_passes): Run recip after tree loop
14790 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14792 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14793 Kenneth Zadeck <zadeck@naturalbridge.com>
14795 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14796 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14797 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14798 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14799 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14800 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14801 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14802 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14803 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14804 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14805 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14806 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14807 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14808 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14809 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14810 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14811 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14812 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14813 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14814 DF_SCAN_POST_ALLOC): New macros.
14815 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14816 df_free_bb_function, df_local_compute_function, df_init_function,
14817 df_dataflow_function, df_confluence_function_0,
14818 df_confluence_function_n, df_transfer_function,
14819 df_finalizer_function, df_free_function, df_dump_problem_function,
14820 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14821 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14822 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14823 df_urec_bb_info, ) New types.
14824 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14826 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14827 df_analyze_simple_change_some_blocks,
14828 df_analyze_simple_change_one_block, df_compact_blocks,
14829 df_bb_replace, df_bb_regno_last_use_find,
14830 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14831 df_insn_regno_def_p, df_find_def, df_find_use,
14832 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14833 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14834 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14835 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14836 debug_df_chain, df_get_dependent_problem, df_chain_create,
14837 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14838 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14839 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14840 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14841 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14842 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14843 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14844 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14845 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14846 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14847 df_reorganize_refs, df_set_state, df_hard_reg_init,
14848 df_read_modify_subreg_p) New public functions.
14849 * df-core.c: The core dataflow solver and glue routines for rtl
14851 (df_init, df_add_problem, df_set_blocks, df_finish,
14852 df_hybrid_search_forward, df_hybrid_search_backward,
14853 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14854 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14855 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14856 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14857 df_reg_defined, df_find_use, df_reg_used, df_dump,
14858 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14859 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14860 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14861 debug_df_useno, reset_df_after_reload): New functions.
14862 * df-scan.c: The scanning fuctions, once in df.c, completely
14863 rewritten so that they now fully model the functionality of
14864 register usage at the backend.
14865 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14866 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14867 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14868 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14869 df_get_artificial_defs, df_get_artificial_uses,
14870 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14871 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14872 df_refs_delete, df_reorganize_refs, df_set_state,
14873 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14874 df_def_record_1, df_defs_record, df_uses_record,
14875 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14876 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14877 df_record_exit_block_uses, df_hard_reg_init): New functions.
14879 * df-problems.c: Seven concrete dataflow problems that use the
14880 scanning in df-scan.c and are solved by the engine in df-core.c.
14881 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14882 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14883 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14884 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14885 df_ru_free_bb_info, df_ru_alloc,
14886 df_ru_bb_local_compute_process_def,
14887 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14888 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14889 df_ru_transfer_function, df_ru_free, df_ru_dump,
14890 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14891 df_rd_free_bb_info, df_rd_alloc,
14892 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14893 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14894 df_rd_transfer_function, df_rd_free, df_rd_dump,
14895 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14896 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14897 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14898 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14899 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14900 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14901 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14902 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14903 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14904 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14905 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14906 df_urec_mark_reg_use_for_earlyclobber,
14907 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14908 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14909 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14910 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14911 df_chain_create_bb_process_use, df_chain_create_bb,
14912 df_chain_finalize, df_chain_free, df_chains_dump,
14913 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14914 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14915 df_reg_lifetime): New functions.
14916 * df.c: Deleted file.
14917 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14918 consistent with new df api.
14919 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14920 rest_of_handle_sms): Ditto.
14921 * web.c (unionfind_union, union_defs, entry_register, web_main):
14923 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14924 invariant_expr_equal_p, find_defs, check_dependencies,
14925 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14926 free_inv_motion_data, move_loop_invariants): Ditto.
14927 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14928 Update dependencies.
14929 (odf.c): Added defective entry that was deleted later in day.
14930 * sched-deps.c (sched_analyze_1): Ditto.
14932 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14934 * tree-ssa-operands.c (get_expr_operands): Record addressable
14935 variables directly. Do not call add_stmt_operands for CONST_DECLs
14937 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14938 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14940 2006-01-11 Ben Elliston <bje@au.ibm.com>
14942 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14943 function returns true in the positive case.
14945 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14948 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14949 for SI, DI, SF and DF modes. Add alternatives to copy between
14950 general and floating point registers to the 32-bit patterns.
14951 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14952 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14953 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14954 generating 64-bit code.
14955 * config/pa/pa.c (output_move_double): Handle copies between general
14956 and floating registers.
14958 2006-01-10 Stuart Hastings <stuart@apple.com>
14960 * config/i386/i386.md (set_got): Update.
14961 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14962 (builtin_setjmp_receiver): Mach-O support.
14963 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14964 (GOT_SYMBOL_NAME): Define.
14965 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14966 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14967 * config/i386/i386.c (override_options): Revise for Darwin.
14968 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14969 support. (darwin_x86_file_end): New. (output_set_got): Add label
14970 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14971 * config/i386/i386-protos.h (output_set_got): Likewise.
14972 * config/darwin.c (machopic_legitimize_pic_address): Update
14975 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14977 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14978 when MODE isn't BLKmode.
14980 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14982 PR rtl-optimization/25367
14983 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14985 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14988 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14989 for a negative bound.
14991 2006-01-10 Richard Guenther <rguenther@suse.de>
14993 * tree-ssa-structalias.c (get_constraint_for_component_ref):
14994 Never override with anything constraint.
14996 2006-01-10 Jan Beulich <jbeulich@novell.com>
14998 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
14999 256 bits when optimize_size.
15001 2006-01-10 Jan Beulich <jbeulich@novell.com>
15003 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15005 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15006 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15009 2006-01-10 Ben Elliston <bje@au.ibm.com>
15011 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15013 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15014 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15015 (USE_FP_FOR_ARG): Reject decimal float modes.
15016 (function_arg_advance): Likewise.
15017 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15018 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15019 point types in AltiVec vectors.
15020 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15021 (rs6000_libcall_value): Likewise.
15023 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15025 * config/xtensa/ieee754-df.S: New file.
15026 * config/xtensa/ieee754-sf.S: New file.
15027 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15028 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15029 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15031 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15033 * config/sh/predicates.md (binary_float_operator,
15034 binary_logical_operator, commutative_float_operator,
15035 equality_comparison_operator, greater_comparison_operator,
15036 less_comparison_operator, logical_operator,
15037 noncommutative_float_operator, shift_operator,
15038 symbol_ref_operand, unary_float_operator): Remove redundant
15041 2006-01-09 Jeff Law <law@redhat.com>
15043 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15044 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15045 now unused arguments. Callers updated.
15046 (eliminate_redundant_computations): Remove now unused arguments,
15048 (local_fold): Remove, no longer used.
15049 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15051 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15052 (simplify_cond): New function.
15053 (forward_propagate_into_cond): Call simplify_cond.
15055 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15057 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15058 (*vec_extractv2di_1_sse): New.
15060 2006-01-09 Ben Elliston <bje@au.ibm.com>
15062 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15064 2006-01-08 Richard Guenther <rguenther@suse.de>
15066 * tree-ssa-structalias.c (get_constraint_for): Remove
15067 anyoffset argument.
15068 (get_constraint_for_component_ref): Likewise.
15069 (do_deref): Likewise.
15070 (get_constraint_for): Likewise.
15071 (do_structure_copy): Likewise.
15072 (handle_ptr_arith): Likewise.
15073 (find_func_aliases): Likewise. Remove unused need_anyoffset
15076 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15077 Kaz Kojima <kkojima@gcc.gnu.org>
15079 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15080 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15081 (EXTRA_CONSTRAINT_C16): Remove.
15082 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15083 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15084 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15085 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15086 constants of SHmedia. Handle nested constant expressions of
15088 (andcosts): Fix the costs for SHmedia constants.
15089 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15090 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15091 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15092 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15093 (movv4hi_i, movv2si_i): Likewise.
15094 (movsi_const): Adjust the second operand of ior so to match with
15095 the Csu constraint.
15096 (movdi_const, movdi_const_32bit): Likewise.
15097 (movdi_const_16bit+1): Don't sign-extend LOW.
15098 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15100 (*double_shori): Fix the split condition. Use GEN_INT instead
15101 of get_int_mode calls. Mask lower 16-bit of the argument of
15103 (sym2GOTPLT): Remove.
15104 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15106 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15107 instead of EXTRA_CONSTRAINT_C16.
15109 2006-01-07 Ian Lance Taylor <ian@airs.com>
15110 David Edelsohn <edelsohn@gnu.org>
15112 PR rtl-optimization/25662
15113 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15114 for constant operands instead of simplify_gen_binary.
15115 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15116 after trying simplify_binary_operation
15118 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15120 * tree.c (iterative_hash_expr): Hash decls based on UID.
15122 2006-01-06 Eric Christopher <echristo@apple.com>
15124 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15125 (TARGET_UNWIND_EMIT): Fix spelling.
15126 * target.h (gcc_target): Add except_table_label.
15127 * except.c (output_function_exception_table): Use.
15128 * varasm.c (default_emit_except_table_label): New.
15129 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15131 (asm_out): Add here.
15132 * output.h (default_emit_except_table_label): Prototype.
15133 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15134 * config/darwin.c (darwin_emit_except_table_label): Define.
15135 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15137 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15139 PR tree-optimization/18527
15140 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15141 number_of_iterations_special, number_of_iterations_exit):
15142 Move base and step of an iv to a single structure. Add
15143 no_overflow flag, and use it in # of iterations analysis.
15144 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15145 folded_casts argument.
15146 (simple_iv): Pass base and step in a structure. Set no_overflow
15148 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15149 Evaluate expensiveness of computing # of iterations instead of
15150 the final expression.
15151 * tree-scalar-evolution.h (affine_iv): New structure.
15152 (simple_iv): Declaration changed.
15153 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15154 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15155 find_givs_in_stmt): Changed due to simple_iv change.
15157 2006-01-06 Jeff Law <law@redhat.com>
15160 * tree-cfg.c (bsi_replace): Rename final argument from
15161 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15162 change (stmt -> orig_stmt).
15163 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15164 (bsi_remove): Add new argument. Remove EH information
15166 (verify_eh_throw_table_statements): New function.
15167 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15169 * tree-optimize.c (execute_free_cfg_annotations): Verify
15170 the EH throw statement table after removing annotations.
15171 * except.h (verify_eh_throw_table_statements): Prototype.
15172 * tree-flow.h (bsi_remove): Update prototype.
15173 * tree-vrp.c (remove_range_assertions): Add new argument to
15175 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15176 * tree-complex.c (expand_complex_div_wide): Likewise.
15177 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15178 * tree-tailcall.c (eliminate_tailcall): Likewise.
15179 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15180 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15181 * tree-nrv.c (tree_nrv): Likewise.
15182 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15183 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15184 (combine_blocks): Likewise.
15185 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15186 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15187 (cleanup_control_flow): Likewise.
15188 (remove_forwarder_block): Likewise.
15189 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15190 * tree-sra.c (sra_replace): Likewise.
15191 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15192 (forward_propagate_single_use_vars): Likewise.
15193 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15194 * tree-inline.c (expand_call_inline): Likewise.
15195 * tree-vect-transform.c (vect_transform_loop): Likewise.
15196 * tree-outof-ssa.c (rewrite_trees): Likewise.
15197 * tree-cfg.c (make_goto_expr_edges): Likewise.
15198 (cleanup_dead_labels): Likewise.
15199 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15200 (bsi_move_before, bsi_move_after): Likewise.
15201 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15202 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15204 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15207 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15209 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15210 on non gimple variables. Also add checks at the top for decls and
15212 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15214 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15215 and IMAGPART_EXPR for creating MUST_DEFs.
15216 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15217 and NAME_MEMORY_TAG separately from the DECLs.
15219 2006-01-06 Richard Guenther <rguenther@suse.de>
15221 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15222 annotation, if necessary.
15223 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15224 redundant calls to update_stmt.
15225 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15228 2006-01-05 Richard Henderson <rth@redhat.com>
15230 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15232 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15234 * c-typeck.c: Update copyright date.
15236 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15238 * c-typeck.c (build_c_cast): Always warn when casting
15239 from a pointer to an integer of different size, even if
15240 the node was constant.
15242 2006-01-05 Richard Guenther <rguenther@suse.de>
15244 PR tree-optimization/22555
15245 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15246 if one structure field is an array.
15247 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15248 operands even if we found a subvar, but ignore VOPs in this
15250 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15252 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15254 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15256 PR middle-end/24998
15257 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15259 2006-01-05 Richard Guenther <rguenther@suse.de>
15260 Diego Novillo <dnovillo@redhat.com>
15262 * tree-pass.h (TODO_remove_unused_locals): Define.
15263 * gimple-low.c (expand_var_p, remove_useless_vars,
15264 pass_remove_useless_vars): Remove. Update all users.
15265 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15266 (remove_unused_locals): New function.
15267 * tree-flow.h (remove_unused_locals): Declare.
15268 * passes.c (execute_todo): Call remove_unused_locals if
15269 TODO_remove_unused_locals is set.
15270 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15271 * tree-ssa-dce.c (pass_dce): Likewise.
15272 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15274 2006-01-05 Richard Guenther <rguenther@suse.de>
15276 * tree-flow.h (struct fieldoff): Decompose field to
15277 type, size and decl.
15278 * tree-ssa-alias.c (create_sft): Take type as parameter.
15279 (create_overlap_variables_for): Store type, size and decl
15280 in the fieldoff structure.
15281 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15282 of struct fieldoff.
15283 (push_fields_onto_fieldstack): Likewise.
15284 (create_variable_info_for): Likewise. Use offset for the
15285 SFT name if the decl is not available.
15287 2006-01-04 Paul Brook <paul@codesourcery.com>
15289 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15291 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15293 * lambda-code.c (can_put_in_inner_loop): Relax
15295 (can_put_after_inner_loop): New function.
15296 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15297 (perfect_nestify): Change to make copies and modify uses.
15299 2006-01-04 Richard Henderson <rth@redhat.com>
15301 Merge from gomp branch:
15302 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15303 via integer constant.
15304 (pragma_lex): Remove.
15305 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15306 rather than parsing it.
15307 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15308 handle_pragma_extern_prefix): Add %< %> quotes.
15309 (registered_pragmas): New.
15310 (c_register_pragma_1): New.
15311 (c_register_pragma): Use it.
15312 (c_register_pragma_with_expansion): Likewise.
15313 (c_invoke_pragma_handler): New.
15314 (init_pragma): Use cpp_register_deferred_pragma directly for
15316 * c-pragma.h (enum pragma_kind): New.
15317 (pragma_handler): New.
15318 (c_invoke_pragma_handler): Declare.
15319 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15321 * c-common.h (c_common_pch_pragma): Update decl.
15322 * Makefile.in (c-parser.o): Update dependencies.
15323 (GTFILES): Add c-pragma.h.
15324 * c-parser.c (struct c_token): Add pragma_kind.
15325 (struct c_parser): Add in_pragma.
15326 (c_lex_one_token): Always initialize keyword and pragma_kind.
15327 Extract data for CPP_PRAGMA.
15328 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15329 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15330 Don't allow CPP_PRAGMA_EOL if in_pragma.
15331 (c_parser_consume_pragma): New.
15332 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15333 (c_parser_skip_to_end_of_parameter): Likewise.
15334 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15335 (c_parser_skip_to_pragma_eol): New.
15336 (c_parser_external_declaration): Handle CPP_PRAGMA.
15337 (c_parser_compound_statement_nostart): Likewise.
15338 (c_parser_statement_after_labels): Likewise.
15339 (c_parser_pragma): New.
15340 (pragma_lex): Likewise.
15341 (c_parser_pragma_pch_preprocess): New.
15342 (c_parser_new): Merge into ...
15343 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15345 2006-01-04 Jeff Law <law@redhat.com>
15348 * tree-cfg.c (bsi_replace): Remove the original statement
15349 from the EH throw statement table.
15351 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15353 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15354 make the prototype extern "C" and add throw ().
15357 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15358 and pos non-negative and pos + len <= 32.
15359 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15360 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15361 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15364 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15365 as well as sizes not multiple of component size.
15368 * function.c (instantiate_expr): New function.
15369 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15370 walk its DECL_VALUE_EXPR with instantiate_expr.
15372 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15373 DW_OP_deref{,_size} if address isn't going to be added.
15375 2006-01-04 Ben Elliston <bje@au.ibm.com>
15377 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15378 * config/fp-bit.c: Likewise.
15380 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15382 * dominance.c: Add comment about why we use DFS numbering
15385 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15386 Richard Henderson <rth@redhat.com>
15388 Merge from gomp-branch:
15389 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15390 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15392 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15394 PR rtl-optimization/25578
15395 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15396 pass a parameter to simplify_shift_const if changing ASHIFTRT
15399 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15401 * builtins.c (get_builtin_sync_mem): New function.
15402 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15403 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15404 Call get_builtin_sync_mem to generate mem rtx.
15406 2006-01-03 Richard Guenther <rguenther@suse.de>
15409 * stmt.c (add_case_node): Make sure to clear overflow flags
15412 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15414 Merge from gomp-branch.
15415 * config/sparc/sync.md: New file.
15416 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15417 UNSPECV_LDSTUB): New constants.
15418 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15419 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15420 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15423 2006-01-03 Roger Sayle <roger@eyesopen.com>
15425 * combine.c (reg_subword_p): New predicate to test whether the
15426 destination of a set refers to a subword/piece of a register.
15427 (try_combine): Generalize the code to merge the setting of a
15428 pseudo to a constant followed by a set of a subword of that
15429 register to a constant.
15431 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15433 * basic-block.h (control_flow_graph): Change the type of
15434 x_label_to_block_map to VEC(basic_block,gc) *.
15435 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15436 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15438 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15439 VEC(basic_block,heap) *.
15440 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15441 ssa_prop_fini): Adjust the uses of cfg_blocks.
15443 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15445 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15447 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15448 hashing trees instead of a pointer hash.
15449 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15450 compare for MEM_EXPR.
15452 PR rtl-optimization/25130
15453 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15454 when comparing MEMs for GCSE
15456 2006-01-03 Ben Elliston <bje@au.ibm.com>
15458 * targhooks.h (default_decimal_float_supported_p): Declare.
15459 * targhooks.c (default_decimal_float_supported_p): Define.
15460 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15461 `default_decimal_float_supported_p'.
15462 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15464 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15466 * combine.c (apply_distributive_law <SUBREG>): Check
15467 TRULY_NOOP_TRUNCATION.
15469 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15471 * dwarf2out.c (have_switched_text_section): Delete.
15472 (have_multiple_function_sections): New.
15473 (have_location_lists): Make 'bool'.
15474 (add_AT_loc_list): Use 'true' not '1'.
15475 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15476 (output_loc_list): Use have_multiple_function_sections.
15477 (output_ranges): Likewise.
15478 (dwarf2out_begin_function): Set have_multiple_function_sections if
15480 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15481 Check function_section rather than DECL_SECTION_NAME.
15482 (dwarf2out_finish): Use have_multiple_function_sections.
15483 Don't clear have_location_lists.
15485 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15486 Jan Hubicka <jh@suse.cz>
15488 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15489 case of conditional jump jumping to the next instruction.
15490 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15491 cases of conditional jump jumping to the next instruction.
15493 2006-01-02 Jan Hubicka <jh@suse.cz>
15495 * i386.c (*_cost): Add COSTS_N_INSNS.
15496 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15498 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15501 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15503 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15505 * config/arm/arm.c (all_fpus): Fix comment typo.
15506 * config/darwin.c: Likewise.
15507 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15508 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15509 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15511 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15513 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15514 (rs6000_split_compare_and_swapqhi): New.
15515 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15516 (sync_compare_and_swapqhi_internal): New.
15517 * config/rs6000/rs6000-protos.h: Declare.