1 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
3 * config/bfin/bfin.md (subsi3): Lose expander, change previously
4 unnamed pattern into subsi3. Use correct constraints/predicates.
5 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
6 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
8 2006-10-05 Ira Rosen <irar@il.ibm.com>
10 * doc/loop.texi: Add data references analysis description.
12 2006-10-04 Brooks Moses <bmoses@stanford.edu>
14 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
16 2006-10-04 Richard Henderson <rth@redhat.com>
17 Jakub Jelinek <jakub@redhat.com>
19 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
20 * builtin-types.def (BT_WORD): Make unsigned.
21 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
22 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
23 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
24 * c-decl.c (grokdeclarator): Don't error if !have_tls.
25 * c-parser.c (c_parser_omp_threadprivate): Likewise.
26 * cgraph.c (decide_is_variable_needed): Look at force_output.
27 Recurse for emulated tls.
28 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
29 checks redundant with decide_is_variable_needed.
30 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
31 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
33 * expr.c (emutls_var_address): New.
34 (expand_expr_real_1): Expand emulated tls.
35 (expand_expr_addr_expr_1): Likewise.
36 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
37 * output.h (emutls_finish): Declare.
38 * toplev.c (compile_file): Call it.
39 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
40 address before wrapping in CONST.
41 * varasm.c (emutls_htab, emutls_object_type): New.
42 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
43 (get_emutls_object_name, get_emutls_object_type): New.
44 (get_emutls_init_templ_addr, emutls_decl): New.
45 (emutls_common_1, emutls_finish): New.
46 (assemble_variable): When emulating tls, swap decls; generate
47 constructor for the emutls objects.
48 (do_assemble_alias): When emulating tls, swap decl and target name.
49 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
52 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
53 tls_object for real tls.
55 2006-10-04 Zack Weinberg <zackw@panix.com>
57 Fix bug in constraint-check generator, reported by Rask Ingemann
59 * genpreds.c (add_constraint): Don't remove anything from the
61 (write_tm_constrs_h): Detect whether "op" argument is used, and
62 mark it ARG_UNUSED if it isn't.
63 (write_insn_const_int_ok_for_constraint): Skip the part of the
64 expression that would test whether "op" (which is not available
67 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
70 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
72 2006-10-03 Geoffrey Keating <geoffk@apple.com>
74 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
75 current Leopard versions.
76 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
78 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
80 * doc/install.texi: Fix typos.
82 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
84 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
85 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
86 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
88 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
90 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
91 arg to be struct mach_header_64* instead.
93 2006-10-02 Jakub Jelinek <jakub@redhat.com>
96 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
97 side effects after the outer expression's post side effects.
99 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
101 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
102 comments to reflect actual behavior and relationship between
103 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
105 * doc/c-tree.texi (Working with declarations): Fix documentation
106 of FIELD_DECL likewise.
108 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
111 * doc/extend.texi: Add used variable attribute description.
113 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
116 * c.opt (Woverride-init): New.
117 * c-opts.c (c_common_post_options): Default warn_override_init to
119 * c-typeck.c (add_pending_init, output_init_element): Warn for
120 overriding initializers without side effects.
121 * doc/invoke.texi (-Woverride-init): Document.
124 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
126 PR rtl-optimization/28096
127 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
128 assignment has already been used as a destination earlier in the block.
130 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
132 * builtins.c (expand_builtin_setjmp): Delete.
133 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
134 <BUILT_IN_SETJMP_SETUP>: New case.
135 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
136 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
137 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
138 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
139 (BUILT_IN_SETJMP_RECEIVER): Likewise.
140 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
141 (lower_function_body): Initialize it to false. If it is set to true
142 at the end of the processing, emit the setjmp dispatcher.
143 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
144 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
145 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
146 on the rhs of the assignment.
147 (lower_builtin_setjmp): New function.
148 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
149 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
150 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
151 to detect calls that can go to non-local labels. Use specific
152 helper to create the abnormal edges associated with them.
153 <MODIFY_EXPR>: Likewise.
154 (make_abnormal_goto_edges): New function extracted from...
155 (make_goto_expr_edges): ...here. Call it for computed gotos.
156 (simple_goto_p): Minor tweak.
157 (tree_can_make_abnormal_goto): New predicate.
158 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
159 (tree_purge_dead_abnormal_call_edges): New function.
160 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
161 (tree_purge_dead_abnormal_call_edges): Likewise.
162 (make_abnormal_goto_edges): Likewise.
163 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
164 Purge all dead abnormal edges if the call was in the last statement.
165 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
166 (execute_fixup_cfg): If there are non-local labels in the function,
167 scan the basic blocks and split them at calls that can go to non-local
168 labels or add missing abnormal call edges. Write down the CFG in the
170 (pass_fixup_cfg): Remove TODO_dump_func flag.
171 * unwind-sjlj.c: Poison setjmp.
172 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
173 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
174 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
175 (DONT_USE_BUILTIN_SETJMP): Document it.
177 2006-09-28 Geoffrey Keating <geoffk@apple.com>
180 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
181 to 1 when __ppc64__ is defined.
182 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
184 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
186 2006-09-28 Steve Ellcey <sje@cup.hp.com>
188 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
189 * config/ia64/unwind-hpux.c: Delete.
191 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
193 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
194 on the element before gimplifying it, instead of punting if it is of
197 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
199 * doc/loop.texi: New file.
200 * doc/gccint.texi: Reference loop.texi.
201 * Makefile.in (loop.texi): Add.
203 2006-09-27 Geoffrey Keating <geoffk@apple.com>
205 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
207 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
208 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
210 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
212 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
214 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
216 * doc/install.texi: Document required versions of GMP and MPFR.
218 2006-09-27 Paul Brook <paul@codesourcery.com>
221 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
223 2006-09-27 Richard Sandiford <richard@codesourcery.com>
225 * reload1.c (alter_reg): Require the alignment of the stack slot to
226 be at least reg_max_ref_width bytes.
227 (scan_paradoxical_subregs): Record the largest width in
230 2006-09-26 Jakub Jelinek <jakub@redhat.com>
234 * tree-nested.c (struct nesting_info): Added static_chain_added.
235 (convert_call_expr): Set static_chain_added when adding static
236 chain. Handle OMP_PARALLEL and OMP_SECTION.
238 2006-09-25 Matthias Klose <doko@debian.org>
240 * doc/invoke.texi: Add missing full stop.
242 2006-09-25 Richard Henderson <rth@redhat.com>
244 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
245 before cgraph_function_flags_ready.
247 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
248 Adam Nemet <anemet@caviumnetworks.com>
250 * tree-ssa-loop-ivopts.c (aff_combination_convert,
251 determine_common_wider_type): New functions.
252 (get_computation_aff): Use them to simplify arithmetic between
253 UBASE and CBASE if they are shortened from the same type.
255 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
258 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
259 -2147483647 - 1 instead of 0x80000000.
261 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
263 * flags.h (HONOR_NANS): Fix typo in comment.
265 2006-09-23 Uros Bizjak <uros@kss-loka.si>
267 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
269 2006-09-23 Jakub Jelinek <jakub@redhat.com>
273 * tree.c (merge_attributes, attribute_list_contained): If both
274 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
276 * c-typeck.c (comptypes_internal): Don't consider aggregates
277 in different TUs as compatible if there one set of attributes is
278 not a subset of the other type's attributes.
279 (composite_type): Try harder not to create a new aggregate type.
281 2006-09-22 Geoffrey Keating <geoffk@apple.com>
283 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
284 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
285 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
286 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
287 than replicating condition above.
288 * config.host (i[34567]86-*-*): Always use driver-i386.o.
290 * config/darwin.h (LINK_SYSROOT_SPEC): New.
291 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
292 the linker by default.
294 2006-09-22 Mike Stump <mrs@apple.com>
296 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
299 2006-09-22 Richard Guenther <rguenther@suse.de>
302 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
303 sort of stack variables stable.
305 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
308 * explow.c (force_reg): Set REG_POINTER flag according to
311 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
313 PR tree-optimization/28888
314 * tree-if-conv.c (combine_blocks): Rewritten.
315 * tree-cfg.c (tree_verify_flow_info): Check that edges with
316 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
318 2006-09-22 Jakub Jelinek <jakub@redhat.com>
320 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
323 2006-09-21 Richard Sandiford <richard@codesourcery.com>
325 * varasm.c (copy_constant): Fix reversed gcc_assert check.
327 2006-09-21 Janis Johnson <janis187@us.ibm.com>
329 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
331 2006-09-21 Roger Sayle <roger@eyesopen.com>
334 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
335 dw_fde_current_label, to be the start of the function, i.e. the same
336 value as dw_fde_begin.
338 2006-09-20 Richard Sandiford <richard@codesourcery.com>
340 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
341 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
342 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
343 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
344 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
345 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
346 (abs<mode>2, neg<mode>2): Likewise.
347 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
348 (*mips_abs_ps): New define_insn.
350 2006-09-20 Josh Conner <jconner@apple.com>
353 * calls.c (expand_call): Allow reuse of structure return stack
356 2006-09-20 Paul Brook <paul@codesourcery.com>
358 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
361 2006-09-20 Janis Johnson <janis187@us.ibm.com>
363 * doc/extend.texi (Decimal Float): Update for latest draft TR,
364 clean up terminology.
366 2006-09-20 Steve Ellcey <sje@cup.hp.com>
369 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
370 with tablejumps in them.
372 2006-09-20 Jakub Jelinek <jakub@redhat.com>
375 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
376 wrap it into TARGET_EXPR.
378 2006-09-20 Eric Christopher <echristo@apple.com>
380 * config/i386/i386.c (x86_fisttp): Remove.
381 * config/i386/i386.h (x86_fisttp): Ditto.
382 (TARGET_FISTTP): Ditto.
384 2006-09-19 Eric Christopher <echristo@apple.com>
386 * doc/tm.texi (OBJC_JBLEN): Describe.
387 * config/i386/darwin.h (OBJC_JBLEN): Define.
388 * config/rs6000/darwin.h: Ditto.
390 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
392 PR rtl-optimization/21299
393 * reload1.c (reload): Purge invalid ASMs in the final pass.
395 2006-09-19 Steve Ellcey <sje@cup.hp.com>
398 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
399 pointers as legitimate constants.
401 2006-09-19 Paul Brook <paul@codesourcery.com>
404 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
406 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
408 PR tree-optimization/28887
409 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
410 component parts from the reference.
411 (gather_memory_references_ref): Record the reference without the
412 nonaddressable component parts.
414 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
417 * c-opts.c (c_common_handle_option): Ignore the -std options
418 if the input language is assembly.
420 2006-09-17 Ira Rosen <irar@il.ibm.com>
423 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
425 (ptr_ptr_may_alias_p): Likewise.
426 (record_record_differ_p): New function.
427 (base_object_differ_p): Call record_record_differ_p.
429 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
432 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
433 away for the expr argument.
435 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
438 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
439 before using it for dumping after vectorizing loops.
441 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
442 Jack Howarth <howarth@bromo.med.uc.edu>
445 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
446 skip on error_mark_node.
447 (rs6000_darwin64_record_arg_recurse): Likewise.
449 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
451 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
452 * doc/rtl.texi: Remove related documentation.
454 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
456 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
459 2006-09-15 Jim Wilson <wilson@specifix.com>
461 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
462 Handle symbol offsets same as they are handled in ia64_expand_move
465 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
467 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
468 Add forgotten parameter to the fprintf call.
470 2006-09-15 Steve Ellcey <sje@cup.hp.com>
472 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
474 2006-09-15 Uros Bizjak <uros@kss-loka.si>
476 * doc/contrib.texi: Add my entry.
478 2006-09-15 Nick Clifton <nickc@redhat.com>
480 * doc/md.texi (Processor pipeline description): Fix typo in
481 example of how to use the absence_set directive and reword the
482 description to make it slightly easier to read.
484 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
486 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
487 * loop-doloop.c (doloop_optimize): Use it to limit costs of
488 expanding the number of iterations.
489 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
491 * cfgrtl.c (emit_insn_at_entry): New function.
492 * rtl.h (emit_insn_at_entry): Declare it.
493 * integrate.c (emit_initial_value_sets): Use it.
495 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
497 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
499 (struct loop_work and related VEC declarations): Delete.
500 (bfin_dump_loops): Print out new member bad.
501 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
502 (bfin_scan_loop): Don't recurse.
503 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
504 loops. No longer need to update outer loops if the current one is
505 found bad. Move some validitiy checks to bfin_discover_loop.
506 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
507 but changed not to check for nesting. Also changed to use the new bad
509 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
510 time. Use bitmap based test to discover loop nesting.
512 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
514 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
517 2006-09-14 Richard Guenther <rguenther@suse.de>
518 Kazu Hirata <kazu@codesourcery.com>
521 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
522 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
523 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
524 with TARGET_FUNCTION_VALUE.
526 2006-09-14 Anatoly Sokolov <aesok@post.ru>
529 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
531 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
533 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
536 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
539 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
542 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
544 * basic_block.h (bb_has_eh_pred): Fix comment.
546 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
548 * flow.c (calculate_global_regs_live): Invalidate eh registers
549 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
550 (propagate_block): Handle eh registers as if they were set at basic
552 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
554 * global.c (global_conflicts): Make eh registers to conflict with
555 pseudos live at basic block begin.
556 * basic_block.h (bb_has_eh_pred): New function.
558 2006-09-13 Richard Sandiford <richard@codesourcery.com>
560 PR rtl-optimization/28982
561 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
562 index of a PRE_MODIFY or POST_MODIFY address.
563 * reload1.c (inc_for_reload): Use find_replacement on the original
564 base and index registers.
566 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
568 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
569 for -Os. Update __m128 alignment requirement.
571 2006-09-13 Jan Hubicka <jh@suse.cz>
573 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
575 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
577 PR rtl-optimization/28243
578 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
579 the insn to which the note was originally attached.
581 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
582 Roger Sayle <roger@eyesopen.com>
584 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
585 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
586 on platforms that don't use dwarf for debug info.
588 2006-09-12 Jason Merrill <jason@redhat.com>
591 * builtins.c (expand_builtin_setjmp_receiver): Clobber
592 hard_frame_pointer_rtx after using it to update the frame pointer.
594 2006-09-12 Roger Sayle <roger@eyesopen.com>
596 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
597 (TARGET_ASM_CLOSE_PAREN): Likewise.
598 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
599 (TARGET_ASM_CLOSE_PAREN): Likewise.
601 2006-09-12 Roger Sayle <roger@eyesopen.com>
604 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
605 frame information for frames larger than 512 Kbytes on Tru64 when
606 using the native assembler.
608 2006-09-12 Roger Sayle <roger@eyesopen.com>
612 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
613 and symbols. Instead use the implementation from cse.c's hash_rtx.
615 2006-09-12 Jan Hubicka <jh@suse.cz>
617 PR rtl-optimization/28071
618 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
619 (vect_transform_loop): Likewise.
620 * tree-vectorizer.c (new_loop_vec_info): Likewise.
621 (new_loop_vec_info): Likewise.
622 (destroy_loop_vec_info): Likewise.
623 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
624 (create_stmt_ann): Likewise.
625 (create_tree_ann): Rename to ...
626 (create_tree_common_ann): ... this one; allocate only the common part
628 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
629 (get_value_handle): Likewise.
630 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
632 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
633 (vinfo_for_stmt): Use stmt annotations.
634 * tree-flow.h (tree_ann_common_t): New type.
635 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
636 (tree_ann, get_tree_ann, create_tree_ann): New.
637 * tree-flow-inline.h (get_function_ann): Do more type checking.
638 (stmt_ann): Likewise.
639 (tree_ann): Rename to ...
640 (tree_common_ann): ... this one; return ony common_ann
641 (get_tree_ann): Rename to ...
642 (tree_common_ann): This one; return only common_ann.
643 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
646 2006-09-11 Geoffrey Keating <geoffk@apple.com>
648 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
651 * dwarf2out.c (dwarf_file_data): New.
652 (enum dw_val_class): Add dw_val_class_file.
653 (struct dw_val_struct): Add val_file.
654 (file_table): Change to a hash table.
655 (file_table_emitted): Delete.
656 (file_table_last_lookup_index): Delete.
658 (last_emitted_file): New.
659 (lookup_filename): Change prototype to return a struct dwarf_file_data.
660 (init_file_table): Delete.
661 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
662 (AT_addr): Add comment.
666 (print_die): Handle dw_val_class_file.
667 (print_dwarf_line_table): Update for new file table structure.
668 (attr_checksum): Do checksum a filename.
669 (same_dw_val_p, same_attr_p): Do compare a filename.
670 (size_of_die): Handle dw_val_class_file.
671 (value_format): Likewise.
672 (output_die): Likewise. Also, call maybe_emit_file here.
673 (struct file_info): Constify filenames. Make file_idx a pointer
674 to a struct dwarf_file_data.
675 (struct dir_info): Constify directory names. Remove 'used' field.
676 (struct file_name_acquire_data): New.
677 (file_name_acquire): New.
678 (output_file_names): Modify to handle new file data structures.
679 (add_src_coords_attributes): Use add_AT_file.
680 (add_call_src_coords_attributes): Likewise.
681 (dwarf2out_imported_module_or_decl): Likewise.
682 (gen_subprogram_die): Modify for new file data structures.
683 (gen_variable_die): Likewise.
684 (file_table_eq): New.
685 (file_table_hash): New.
686 (file_table_last_lookup): New.
687 (lookup_filename): Rewrite to handle new file data structures.
688 (maybe_emit_file): Rewrite to handle new file data structures.
689 (dwarf2out_source_line): Always call lookup_filename and
691 (dwarf2out_init): Create file_table here.
692 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
693 (file_table_relative_p): New.
694 (dwarf2out_finish): Change detection of relative filenames
695 to work with new file data structures. Move output_line_info call
696 after debug_info output.
698 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
703 * config/i386/i386.c (override_options): Always default to 16
706 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
709 * var-tracking.c (dump_dataflow_set): Start dumping at
711 (clobber_variable_part): Kill only the variable part in
712 registers holding it, leaving other variables alone.
714 2006-09-11 Josh Triplett <josh@freedesktop.org>
716 * doc/extend.texi (Other Builtins): Actually use the macro
717 argument in the documentation example for
718 __builtin_types_compatible_p.
720 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
722 PR rtl-optimization/28726
723 * sched-deps.c (sched_analyze_reg): New function extracted from...
724 (sched_analyze_1): ...here. Call it to analyze references to
725 registers. Treat again writes to a stack register as writing to the
727 (sched_analyze_2): ...and here. Call it to analyze references to
728 registers. Treat again reads of a stack register as reading the
731 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
732 David Edelsohn <edelsohn@gnu.org>
735 * config/rs6000/spe.md (frob_df_di): Remove %H.
736 (frob_di_df): Remove %H. Change evmergelo to mr.
737 (frob_di_df_2): Remove %H. Change evldd to two loads.
739 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
741 * doc/cpp.texi: Fix names of charset options.
743 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
746 * config/i386/i386.c (override_options): Use 128-bit
747 stack boundary always for 64bits.
749 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
751 PR rtl-optimization/28636
752 * combine.c (force_to_mode): Test for side-effects before
753 substituting by zero.
754 (simplify_shift_const): Likewise for zero or other constants.
756 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
759 * builtins.c (expand_builtin_setjmp): Force next_lab to be
762 2006-09-10 Richard Sandiford <richard@codesourcery.com>
765 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
766 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
767 returned by mode_for_size, rather than the mode of src itself,
768 to choose between 32-bit and 64-bit patterns.
769 (mips_mem_fits_mode_p): New function.
770 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
771 that the size of the source matches the size of the destination.
772 (mov_<store>l, mov_<store>r): Likewise.
774 2006-09-10 Eric Christopher <echristo@apple.com>
776 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
779 2006-09-09 Eric Christopher <echristo@apple.com>
782 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
785 2006-09-09 Roger Sayle <roger@eyesopen.com>
786 Nicolas Setton <setton@adacore.com>
788 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
790 2006-09-10 Andreas Schwab <schwab@suse.de>
792 * config/m68k/m68k.md (bungt_rev): New pattern.
794 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
795 Dale Johannesen <dalej@apple.com>
798 * regclass.c (struct reg_pref): Update documentation.
799 (regclass): Set prefclass to NO_REGS if memory is the best option.
800 (record_reg_classes): Cope with a prefclass set to NO_REGS.
802 2006-09-08 Eric Christopher <echristo@apple.com>
804 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
805 * config/t-slibgcc-darwin: Support x86_64 multilib.
806 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
807 Return 1 for x86_64-darwin.
808 * config/i386/t-darwin: Add m64 multilib.
809 (LIB2_SIDITI_CONV_FUNCS): Use.
810 (LIB2FUNCS_EXTRA): Ditto.
811 * config/i386/darwin.h: Support x86_64.
812 * config/i386/i386.c (override_options): Turn on flag_pic
813 for x86_64-darwin. Disable flag_omit_pointer.
814 (get_pc_thunk_name): Assert !TARGET_64BIT.
815 (legitimate_address_p): Disable machopic addressing for
817 (legitimize_pic_address): Ditto.
818 (ix86_expand_move): Ditto.
819 (ix86_expand_call): Ditto.
820 (machopic_output_stub): Ditto.
821 * config/darwin.c (machopic_select_section): Support literal16.
822 (machopic_select_rtx_section): Ditto.
823 * config/darwin-sections.def: Ditto.
824 * config/darwin-64.c: New.
826 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
829 * c-tree.h (struct c_arg_info): Add pending_sizes.
830 * c-parser.c (c_parser_parms_declarator,
831 c_parser_parms_list_declarator): Initialize pending_sizes.
832 * c-decl.c (get_parm_info): Initialize pending_sizes.
833 (get_parm_info): Set pending_sizes.
834 (grokdeclarator): Call put_pending_sizes for parameters for
835 function definition only.
837 2006-09-07 Jason Merrill <jason@redhat.com>
840 * varasm.c (output_constant): Only strip actual no-op conversions.
843 * config/i386/i386.c (override_options): Use 128-bit
844 stack boundary if -msse.
846 2006-09-07 Eric Christopher <echristo@apple.com>
848 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
850 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
853 2006-09-07 Geoffrey Keating <geoffk@apple.com>
855 * dwarf2out.c: Remove strange characters from comment above
856 dwarf2out_frame_debug_expr.
858 2006-09-07 Eric Christopher <echristo@apple.com>
860 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
861 * config/darwin.h: ... to here.
863 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
865 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
867 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
868 (TARGET_PARTIAL_FLAG_REG_STALL): New.
870 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
871 TARGET_PARTIAL_FLAG_REG_STALL.
872 (*ashldi3_cconly_rex64): Likewise.
873 (*ashlsi3_cmp): Likewise.
874 (*ashlsi3_cconly): Likewise.
875 (*ashlsi3_cmp_zext): Likewise.
876 (*ashlhi3_cmp): Likewise.
877 (*ashlhi3_cconly): Likewise.
878 (*ashlqi3_cmp): Likewise.
879 (*ashlqi3_cconly): Likewise.
880 (*ashrdi3_cmp_rex64): Likewise.
881 (*ashrdi3_cconly_rex64): Likewise.
882 (*ashrsi3_cmp): Likewise.
883 (*ashrsi3_cconly): Likewise.
884 (*ashrsi3_cmp_zext): Likewise.
885 (*ashrhi3_cmp): Likewise.
886 (*ashrhi3_cconly): Likewise.
887 (*ashrqi3_cmp): Likewise.
888 (*ashrqi3_cconly): Likewise.
889 (*lshrdi3_cmp_rex64): Likewise.
890 (*lshrdi3_cconly_rex64): Likewise.
891 (*lshrsi3_cmp): Likewise.
892 (*lshrsi3_cconly): Likewise.
893 (*lshrsi3_cmp_zext): Likewise.
894 (*lshrhi3_cmp): Likewise.
895 (*lshrhi3_cconly): Likewise.
896 (*lshrqi2_cmp): Likewise.
897 (*lshrqi2_cconly): Likewise.
899 2006-09-07 Uros Bizjak <uros@kss-loka.si>
902 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
903 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
904 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
905 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
906 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
907 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
908 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
909 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
910 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
911 implement only CC setting effects of shift instructions.
913 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
915 * doc/contrib.texi: Add myself.
917 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
920 * stor-layout.c (relayout_decl): Don't zero the alignment if it
923 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
926 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
927 (divsi_inv_m1): Use them.
928 (UNSPEC_DIV_INV_TABLE): New constant.
930 2006-09-06 James E Wilson <wilson@specifix.com>
933 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
934 then call count_or_remove_death_notes.
936 2006-09-06 Jason Merrill <jason@redhat.com>
939 * tree-inline.c (copy_result_decl_to_var): New fn.
940 (declare_return_variable): Use it. Call declare_inline_vars here.
941 (expand_call_inline): Not here.
943 2006-09-06 Diego Novillo <dnovillo@redhat.com>
945 * doc/contrib.texi: Update my entry.
947 2006-09-06 Nick Clifton <nickc@redhat.com>
949 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
951 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
954 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
955 (canonicalize_induction_variables): Likewise.
956 (tree_unroll_loops_completely): Likewise.
957 (tree_ssa_prefetch_arrays): Likewise.
958 (remove_empty_loops): Likewise.
959 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
960 TODO_cleanup_cfg instead of directly calling
961 cleanup_tree_cfg_loop.
962 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
964 (tree_unroll_loops_completely): Likewise.
965 (remove_empty_loops): Likewise.
966 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
967 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
968 of tree_ssa_unswitch_loops.
969 (tree_ssa_loop_ivcanon): Use the return value of
970 canonicalize_induction_variables.
971 (tree_ssa_empty_loop): Use the return value of
973 (tree_complete_unroll): Use the return value of
974 tree_unroll_loops_completely.
975 (tree_ssa_loop_prefetch): Use the return value of
976 tree_ssa_prefetch_arrays.
977 * passes.c (execute_todo): Before Cleanup CFG, set
978 updating_used_alone and after cleanup CFG, call
979 recalculate_used_alone.
981 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
984 * tree-vect-transform.c (vectorizable_condition): Move the check
985 for the type after the check for simple condition.
987 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
988 Kaz Kojima <kkojima@gcc.gnu.org>
991 * mode-switching.c (optimize_mode_switching): Make the destination
992 block of an abnormal edge have no anticipatable mode. Don't
993 insert mode switching code at the end of the source block of
996 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
998 PR rtl-optimization/26847
999 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1000 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1001 (simplify_plus_minus): Count n_constants while filling ops. Replace
1002 qsort with insertion sort. Before going through the array to simplify
1003 pairs, sort it. Delay early exit until after the first sort, exiting
1004 only if no swaps occurred. Simplify pairs in reversed order, without
1005 special-casing the first iteration. Pack ops after simplifying pairs.
1007 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1009 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1010 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1011 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1012 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1014 2006-09-05 Richard Guenther <rguenther@suse.de>
1016 PR tree-optimization/28900
1017 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1018 compound conditional before creating COND_EXPR condition.
1020 2006-09-05 Richard Guenther <rguenther@suse.de>
1022 PR tree-optimization/28905
1023 * tree-vrp.c (fix_equivalence_set): Manually implement
1024 !value_ranges_intersect_p to also handle symbolic ranges.
1026 2006-09-05 Richard Guenther <rguenther@suse.de>
1029 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1032 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1034 PR rtl-optimization/27616
1035 * cse.c (table_size): New static variable.
1036 (new_basic_block): Initialize it to 0.
1037 (remove_from_table): Decrement it.
1038 (insert): Increment it.
1039 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1040 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1041 fold_rtx_mem_1 if under the cap.
1042 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1043 the lookup of the equivalent expression and test for equality of the
1044 first operand of the equivalent expression before in turn looking up
1045 an equivalent constant for the second operand.
1047 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1050 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1051 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1052 pointer, instead of assuming it is possible to derive the
1053 correct args size from a call insn.
1055 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1058 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1059 (fold_builtin_mempcpy): Rename to...
1060 (fold_builtin_memory_op): ... this. Optimize one element copy
1062 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1064 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1065 (expand_builtin_memcpy, expand_builtin_mempcpy,
1066 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1067 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1068 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1069 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1071 2006-09-01 DJ Delorie <dj@redhat.com>
1073 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1074 (stzx_16): Likewise.
1075 ("stzx_24_<mode>"): Likewise.
1076 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1077 ("cmp<mode>_op"): New.
1078 (cmp<mode>): Change to expander; just save operands.
1080 (b<code>): Change to expander, emit compare here.
1081 (s<code>_op): Change to use split and expander.
1082 (s<code>_24_op): Likewise.
1083 (s<code>_<mode>): New.
1084 (s<code>_<mode>_24): New.
1085 (movqicc_<code>_<mode): New.
1086 (movhicc_<code>_<mode>): New.
1089 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1090 (m32c_pend_compare): New.
1091 (m32c_unpend_compare): New.
1092 (m32c_expand_scc): New.
1093 (m32c_expand_movcc): Emit the compare also.
1094 * config/m32c/predicates.md (mra_nopp_operand): New.
1096 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1097 Richard Guenther <rguenther@suse.de>
1098 Adam Nemet <anemet@caviumnetworks.com>
1101 * builtins.c (get_pointer_alignment): Handle more forms
1102 of base addresses that can be used to derive more precise
1103 information about alignment.
1105 2006-09-01 Jason Merrill <jason@redhat.com>
1108 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1111 * gimplify.c (voidify_wrapper_expr): Handle null type.
1113 2006-09-01 Josh Conner <jconner@apple.com>
1116 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1117 (execute_return_slot_opt): Use it.
1119 2006-08-31 Josh Conner <jconner@apple.com>
1122 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1123 returning aggregates.
1125 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1127 PR tree-optimization/28839
1128 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1129 blocks in that phi arguments appear.
1131 2006-08-31 Roger Sayle <roger@eyesopen.com>
1134 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1135 NULL, otherwise use an advance_loc4 to adjust relative to the
1137 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1138 (dwarf2out_switch_text_section): Reset the current label to avoid
1139 using advance_loc4 over section boundaries.
1141 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1144 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1145 r12 + SYMBOLIC_CONST.
1147 2006-08-30 Richard Guenther <rguenther@suse.de>
1149 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1151 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1153 PR rtl-optimization/27735
1154 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1155 Add new argument to keep track of whether an irreducible region
1156 was affected. All callers changed.
1157 (fix_irreducible_loops): Removed.
1158 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1159 flags were invalidated.
1161 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1163 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1164 instead of SF operands.
1165 (*fop_df_comm_sse): Likewise.
1166 (*fop_df_comm_i387): Likewise.
1167 (*fop_df_1_mixed): Likewise.
1168 (*fop_df_1_sse): Likewise.
1170 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1171 J"orn Rennecke <joern.rennecke@st.com>
1173 PR tree-optimization/17506
1174 * tree-ssa.c (warn_uninit): If warning about a location outside of
1175 the current function, note where the variable was declared.
1177 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1179 PR tree-optimization/28411
1180 * double-int.c (double_int_div): Use double_int_divmod.
1181 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1182 double_int_mod, double_int_smod, double_int_umod): New functions.
1183 * double-int.h (double_int_divmod, double_int_sdivmod,
1184 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1186 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1188 (get_computation_aff, get_computation_cost_at): Handle double_int
1189 return type of constant_multiple_of.
1191 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1194 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1195 an implicit conversion.
1197 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1199 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1201 2006-08-27 Roger Sayle <roger@eyesopen.com>
1203 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1206 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1208 * config/i386/crtfastmath.c: Fix a comment typo.
1210 2006-08-26 Roger Sayle <roger@eyesopen.com>
1212 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1213 temporary visit flags on CASE_LABEL_EXPRs.
1214 * c-common.c (match_case_to_enum): Add function comment. Avoid
1215 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1216 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1217 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1218 a constant, only warn if that constant value isn't handled.
1220 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1223 * input.h (restore_input_file_stack): Declare.
1224 (INPUT_FILE_STACK_BITS): Define.
1225 * toplev.c (fs_p, input_file_stack_history,
1226 input_file_stack_restored, restore_input_file_stack): New.
1227 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1228 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1229 (pop_srcloc): Don't free old state of stack.
1231 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1234 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1235 (PowerPC Type Attributes): New.
1237 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1239 * config/xtensa/xtensa.c (function_arg_boundary): New.
1240 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1242 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1243 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1245 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1248 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1251 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1253 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1254 (verify_local_live_at_start): Likewise.
1256 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1259 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1260 omp_add_variable): Treat sizes as variable whenever not
1263 2006-08-26 Richard Guenther <rguenther@suse.de>
1266 * fold-const.c (fold_binary): Fold temporary to correct
1267 type before constructing new comparison.
1269 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1272 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1273 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1275 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1278 * c-decl.c (start_function): Don't try to process prototype
1279 information from old declaration that isn't a function.
1281 2006-08-25 Jan Hubicka <jh@suse.cz>
1284 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1286 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1289 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1292 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1294 PR tree-optimization/16876
1295 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1296 exit if PARM doesn't match VALUE.
1298 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1300 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1301 literal_prefix directive.
1302 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1303 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1304 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1306 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1309 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1310 predicate to general_operand. Add 0->y and I->r alternatives.
1312 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1314 * doc/tm.texi: Fix a typo.
1315 * predict.c: Fix comment typos.
1317 2006-08-25 Nick Clifton <nickc@redhat.com>
1319 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1320 assertions of "cpu" and "machine".
1322 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1325 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1326 the access through a base which has an alias set of 0 cannot
1329 2006-08-24 Bill Wendling <wendling@apple.com>
1331 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1333 2006-08-24 Jan Hubicka <jh@suse.cz>
1335 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1337 2006-08-24 Jan Hubicka <jh@suse.cz>
1340 * cgraph.c: Fix comments.
1341 (cgraph_varpool_mark_needed_node): Mark only variables not already
1343 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1344 (cgraph_varpool_assembled_nodes_queue): New static variable.
1345 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1346 (cgraph_varpool_output_debug_info): New function.
1347 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1348 * Makefile.in: Add gt-cgraphunit.h
1350 2006-08-24 Jan Hubicka <jh@suse.cz>
1352 * predict.c (probability_reliable_p): New predicate.
1353 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1354 (predict_loops): Do not predict loop exit with less than 2%
1356 * basic-block.h (edge_probability_reliable_p,
1357 br_prob_note_reliable_p): Declare.
1358 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1359 prediction when static predictor is not reliable.
1360 * rs6000.c (output_cbranch): Likewise.
1362 2006-08-23 Stuart Hastings <stuart@apple.com>
1365 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1366 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1368 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1371 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1372 complex values, nor for generic vector values.
1374 2006-08-22 Richard Guenther <rguenther@suse.de>
1377 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1378 parameter. Convert arguments to arithmetic expression to the
1380 (analyze_scalar_evolution_1): Adjust caller.
1382 2006-08-22 Jan Hubicka <jh@suse.cz>
1384 Patch by Paolo Bonzini
1385 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1388 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1390 PR tree-optimization/28003
1391 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1392 before grouping aliases.
1394 2006-08-22 Roger Sayle <roger@eyesopen.com>
1396 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1397 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1399 2006-08-21 Jason Merrill <jason@redhat.com>
1402 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1403 wrapper. Loop to handle nested wrappers.
1404 (gimplify_bind_expr): Remove temp parameter.
1405 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1406 and STATEMENT_LIST on the rhs.
1407 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1408 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1409 (gimplify_target_expr): Remove special BIND_EXPR handling.
1411 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1413 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1416 2006-08-21 Olivier Hainque <hainque@adacore.com>
1418 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1419 Arrange for the temporary captures of components overlapping the lhs
1420 to happen before the lhs is possibly cleared.
1422 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1424 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1425 necessary places to pass the correct "number of registers" values
1428 2006-08-20 Jan Hubicka <jh@suse.cz>
1430 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1431 (create_name_tags): Instead of quadratic checking use hashtable.
1432 * bitmap.h: Include hashtab.h.
1433 (bitmap_hash): Declare.
1434 * bitmap.c (bitmap_hash): New function.
1436 2006-08-20 Jan Hubicka <jh@suse.cz>
1438 PR rtl-optimization/28071
1439 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1441 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1442 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1443 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1444 cgraph_decide_inlining_incrementally): Update use of
1445 cgraph_check_inline_limits.
1446 * cgraph.c (edge_hash, edge_eq): New function.
1447 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1448 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1449 cgraph_remove_node): Maintain call site hash.
1450 * cgraph.h (struct cgraph_node): Add call_site_hash.
1451 (cgraph_set_call_stmt): New function.
1453 2006-08-20 Jan Hubicka <jh@suse.cz>
1455 PR rtl-optimization/28071
1456 * reload1.c (reg_has_output_reload): Turn into regset.
1457 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1458 choose_reload_regs, emit_reload_insns): Update to new
1459 reg_has_output_reload.
1461 2006-08-20 Jan Hubicka <jh@suse.cz>
1464 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1465 function body sizes.
1466 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1468 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1471 * tree.c (handle_dll_attribute): Return early if not a
1472 var or function decl.
1474 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1477 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1478 alignment of SPE vector types.
1480 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1482 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1484 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1487 * cgraph.h (struct cgraph_node): Remove externally_visible
1489 * cgraphunit.c (process_function_and_variable_attributes): Set
1490 local.externally_visible rather than externally_visible.
1493 * c-common.c (handle_externally_visible_attribute): First look
1494 at TREE_CODE and only if it is function or var decl, check for
1495 non-public objects. Don't warn for DECL_EXTERNAL.
1496 * cgraphunit.c (process_function_and_variable_attributes): Warn
1497 if externally_visible attribute is used on non-public object.
1499 2006-08-17 Jan Hubicka <jh@suse.cz>
1501 PR tree-optimization/27865
1502 * reload1.c (forget_marked_reloads): New function.
1503 (forget_old_reloads_1): When data are passed, just mark the registers
1505 (reload_as_needed): Use the new mechanizm.
1507 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1510 * reload.h (reg_equiv_alt_mem_list): New declaration.
1511 * reload1.c (reg_equiv_alt_mem_list): New definition.
1512 (reload): Initialize it and release it.
1513 (delete_output_reload): Use it.
1514 * reload.c (push_reg_equiv_alt_mem): New function.
1515 (find_reloads_toplev): Call it.
1516 (find_reloads_address, find_reloads_address_1): Likewise.
1517 (find_reloads_subreg_address): Likewise.
1519 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1521 PR rtl-optimization/28489
1522 * sched-ebb.c (begin_schedule_ready): Create basic block
1524 (advance_target_bb): Skip empty blocks.
1525 * haifa-sched.c (bb_note): Make global.
1526 * sched-int.h (bb_note): Add prototype.
1528 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1530 PR tree-optimization/27865
1531 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1533 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1534 fold_used_pointer, pointer_used_p): New functions.
1535 (analyze_scalar_evolution_1): Use fold_used_pointer.
1536 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1537 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1540 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1543 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1544 or the INTEGER_CST. Fail on a CALL_EXPR.
1545 (fold_offsetof): Pass new argument to fold_offsetof_1.
1546 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1547 operand into an INDIRECT_REF.
1548 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1550 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1552 PR gcov/profile/26570
1553 * value-prof.c (static_values): Removed.
1554 (tree_find_values_to_profile): Do not set static_values.
1555 (find_values_to_profile): Do not free static_values.
1556 * profile.c (instrument_values): Do not free the values.
1557 (branch_prob): Free the values.
1559 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1561 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1563 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1566 * c-typeck.c (build_component_ref): Combine qualifiers of
1567 structure or union and field.
1569 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1571 PR rtl-optimization/28071
1572 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1573 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1574 * tree-into-ssa.c (struct dom_dfsnum): New.
1575 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1577 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1578 compute_global_livein.
1579 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1580 in phi nodes in the correct blocks.
1582 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1584 PR tree-optimization/28364
1585 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1587 (fold_affine_expr): New function.
1588 (may_eliminate_iv): Use fold_affine_expr.
1590 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1593 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1596 2006-08-16 Mike Stump <mrs@apple.com>
1598 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1599 * doc/cppopts.texi (-MD): Likewise.
1601 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1604 * c-common.c (handle_weak_attribute): Ignore and warn if
1605 not a FUNCTION_ or VAR_DECL.
1607 2006-07-15 Mike Stump <mrs@apple.com>
1610 * c-parser.c (c_parser_typeof_specifier): Don't use
1611 c_finish_expr_stmt, open code desired semantics instead.
1613 2006-08-15 Nick Clifton <nickc@redhat.com>
1615 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1616 fragment to tmake_file only if threads are enabled.
1617 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1618 * config/i386/t-gthr-win32: New file. ... here.
1620 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1623 * c-parser.c (c_parser_compound_statement_nostart): Reset
1624 parser->error after each statement.
1626 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1629 * omp-low.c (lower_omp_parallel): Convert t to
1630 receiver_decl's type.
1631 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1632 source before comparison.
1635 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1636 to itype in assignment to oldival2.
1638 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1642 * c-typeck.c (build_compound_expr): If the second expression
1643 is an error mark, then just return an error mark instead of
1644 creating a COMPOUND_EXPR.
1646 2006-07-14 Mike Stump <mrs@apple.com>
1648 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1650 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1652 * c-decl.c, var-tracking.c: Fix comment typos.
1654 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1656 PR rtl-optimization/28634
1657 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1658 for floating-point modes unless flag_unsafe_math_optimizations.
1660 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1661 Andrew Pinski <pinskia@physics.uc.edu>
1664 * tree.c (build_array_type): Unify array types with
1665 unspecified index_type.
1666 * c-decl.c (grokdeclarator): Make sure we do not modify a
1667 unified incomplete array type.
1668 * c-typeck.c (store_init_value): Create distinct type before
1669 filling in the index type in an initializer from a compound
1672 * c-decl.c (grokdeclarator): Remove code where we copy the
1675 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1677 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1678 into account for TODO_dump_cgraph.
1679 (TODO_update_ssa_no_phi): Likewise.
1680 (TODO_update_ssa_full_phi): Likewise.
1681 (TODO_update_ssa_only_virtuals): Likewise.
1682 (TODO_remove_unused_locals): Likewise.
1683 (TODO_set_props): Likewise.
1684 (TODO_update_stmt_usage): Likewise.
1686 2006-08-13 Dirk Mueller <dmueller@suse.de>
1688 * c-common.c (strict_aliasing_warning): Fix formatting.
1690 2006-08-13 Matthias Klose <doko@debian.org>
1692 * doc/invoke.texi: Fix spelling errors.
1694 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1696 PR rtl-optimization/23454
1697 * reorg.c (relax_delay_slots): Update comment.
1699 2006-08-11 Richard Guenther <rguenther@suse.de>
1702 * simplify-rtx.c (simplify_const_relational_operation):
1703 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1706 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1708 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1709 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1711 2006-08-10 Paul Brook <paul@codesourcery.com>
1713 * final.c (final_scan_insn): Clear current_insn_predicate before
1714 outputting inline asm.
1716 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1718 PR tree-optimization/26197
1719 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1720 get_ref_base_and_extent and overlap_subvar to add only relevant
1721 subvars as may-aliases.
1722 (add_may_alias_for_new_tag): New function, factored out of
1724 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1725 with additional argument.
1726 * tree-flow.h (new_type_alias): Takes additional argument.
1728 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1730 * gcov.c (no_data_file): New flag.
1731 (read_count_file): Set it if data file not present. Assume counts
1733 (output_lines): Don't name the data file, if there wasn't one.
1735 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1737 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1738 (rs6000_generate_compare): Tweak comments.
1739 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1741 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1743 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1744 (var_debug_decl): New function.
1745 (var_reg_set): Follow debug decl link. Add location even if
1746 reg is already known to hold some other variable.
1747 (var_mem_set): Follow debug decl link.
1748 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1749 decl link. Delete other known locations of the variable part
1751 (var_reg_delete, var_mem_delete): Delete other known locations
1752 of the variable part if requested.
1753 (same_variable_part_p): New function.
1754 (add_stores): Select MO_COPY when appropriate.
1755 (vt_initialize): Handle it.
1756 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1757 known locations for MO_SET and MO_CLOBBER.
1758 (find_variable_location_part): New function.
1759 (set_variable_part, delete_variable_part): Use it.
1760 (clobber_variable_part): New function.
1761 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1764 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1766 PR tree-optimization/26969
1767 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1768 with an empty list of PHIs.
1770 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1774 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1777 2006-08-06 Andreas Schwab <schwab@suse.de>
1779 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1780 string. Whitespace and comment fixup.
1782 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1785 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1789 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1792 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1794 2006-08-04 Jan Hubicka <jh@suse.cz>
1798 * reload.c (push_reload): Patch out the mismatching instruction;
1800 (find_reload): Bail out if the instruction was patched out.
1802 2006-08-04 Jan Hubicka <jh@suse.cz>
1804 PR tree-optimization/24888
1805 * tree-inline.c (expand_call_inline): Do not re-record variables.
1806 (declare_inline_vars): Add variable to unexpanded_var_list.
1808 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1809 Roger Sayle <roger@eyesopen.com>
1811 PR rtl-optimization/26244
1812 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1813 inner_const are negative or greater than or equal to the bitsize of
1814 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1815 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1816 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1817 CONST0_RTX (mode) when the new shift count is greater than or equal to
1818 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1821 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1823 * tree-cfg.c: Fix a comment typo.
1825 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1828 * varasm.c (output_constant): Give the front end another chance to
1829 expand constants, after stripping NOPs.
1831 2006-08-03 Jan Hubicka <jh@suse.cz>
1833 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1836 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1838 PR tree-optimization/27770
1839 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1840 declaration removed (moved to tree-flow.h).
1841 (vect_can_force_dr_alignment_p): Likewise.
1842 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1843 (moved from tree-vectorizer.h).
1844 (vect_can_force_dr_alignment_p): Likewise.
1845 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1846 from outside the vectorizer - in particular from cgraph stage.
1847 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1848 the alignment of global arrays when -fsection-anchors is enabled.
1849 * cgraphunit.c (cgraph_increase_alignment): New function.
1850 (cgraph_optimize): Call cgraph_increase_alignment.
1852 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1855 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1856 not reload a SPE symbol_ref into a lo_sum address.
1858 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1861 * dwarf2out.c (prune_unused_types_prune): Move call to
1862 prune_unused_types_update_strings to cover the parent DIE also.
1864 2006-08-02 Jan Hubicka <jh@suse.cz>
1866 PR gcov/profile/28480
1867 * tree-cfg.c (change_bb_for_stmt): New function.
1868 (tree_merge_blocks, tree_split_blocks): Use it.
1870 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1876 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1877 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1878 (cgraph_optimize): Likewise.
1880 2006-08-01 Stuart Hastings <stuart@apple.com>
1882 * rtl.h (UINTVAL) New.
1883 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1884 * testsuite/gcc.dg/20060801-1.c: New.
1886 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1889 * c-typeck.c (build_external_type): Mark used enum types.
1890 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1892 (gen_subprogram_die): Whitespace fix.
1894 2006-08-01 Jan Hubicka <jh@suse.cz>
1896 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1897 bitmap when not needed.
1898 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1901 2006-08-01 Dirk Mueller <dmueller@suse.de>
1903 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1905 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1907 * Makefile.in: Revert part of previous patch:
1908 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1911 2006-07-30 Eric Christopher <echristo@apple.com>
1914 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1915 (PowerPC Variable Attributes): New section.
1917 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1919 PR target/28126 (partial fix)
1920 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1922 2006-07-28 Jan Hubicka <jh@suse.cz>
1924 PR rtl-optimization/28071
1925 * cfgrtl.c (rtl_delete_block): Free regsets.
1926 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1928 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1930 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1931 and variables used in dependencies.
1933 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1935 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1936 %fs for -mcmodel=kernel.
1937 (stack_tls_protect_test_di): Likewise.
1939 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1941 * Makefile.in: Use mkinstalldirs.
1943 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1946 * opts-common.c (prune_options): Skip joined switches.
1948 2006-07-27 Jan Hubicka <jh@suse.cz>
1950 PR rtl-optimization/28071
1951 * cselib.c (cselib_process_insn): Don't remove useless values too
1952 often for very large hashtables.
1954 2006-07-27 Jan Hubicka <jh@suse.cz>
1956 PR rtl-optimization/28071
1957 * global.c (greg_obstack): New obstack.
1958 (allocate_bb_info): Use it.
1959 (free_bb_info): Likewise.
1960 (modify_reg_pav): Likewise.
1962 2006-07-27 Roger Sayle <roger@eyesopen.com>
1964 * builtins.c (fold_fixed_mathfn): When long and long long are the
1965 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1966 functions to their lceil*, lfloor*, lround* and lrint* forms.
1968 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1971 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1973 (rev_branch_insn): Likewise.
1975 2006-07-27 Jan Hubicka <jh@suse.cz>
1977 PR rtl-optimization/28071
1978 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1979 (reg_set_in_bb, max_reg_computed): New static variables.
1980 (regmove_optimize): Free the new array.
1981 (fixup_match_1): Update call of reg_is_remote_constant_p.
1983 2006-07-26 Jan Hubicka <jh@suse.cz>
1985 PR tree-optimization/27882
1986 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
1988 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
1990 (cgraph_analyze_compilation_unit): Likewise.
1991 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
1992 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
1993 (cgraph_early_inlinine): Make order garbage collected.
1994 * Makefile.in (gt-ipa-inline): New garbagecollected file.
1996 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
1998 * dbxout.c (output_types_sort): Add a comment.
1999 (output_used_types): Free the VEC.
2001 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2003 * function.c (reorder_fix_fragments): Delete.
2004 (reorder_blocks): Don't call it.
2005 (reorder_blocks_1): Put all subblocks under the origin block.
2007 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2009 PR rtl-optimization/27907
2010 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2013 2006-07-25 Roger Sayle <roger@eyesopen.com>
2016 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2017 bar(x) check that bar's result type can represent all the values of T.
2019 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2021 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2023 2006-07-25 Nick Clifton <nickc@redhat.com>
2025 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2026 size_lookup[] array.
2027 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2028 (ggc_pch_count_object): Likewise.
2029 (ggc_pch_alloc_object): Likewise.
2030 (ggc_pch_write_object): Likewise.
2031 (init_ggc): Do not attempt to initialize entries in the
2032 size_lookup[] array for objects whose size is greater than than
2033 the length of the array.
2035 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2037 * dbxout.c (output_used_types_helper): Push queued types
2039 (output_types_sort): New.
2040 (output_used_types): Collect used types on a VEC and sort them
2043 2006-07-24 Richard Guenther <rguenther@suse.de>
2046 * cgraph.c (cgraph_remove_node): Do not check if dumps
2048 * cgraphunit.c (cgraph_optimize): Likewise.
2050 2006-07-24 Jan Hubicka <jh@suse.cz>
2052 PR rtl-optimization/28071
2053 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2054 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2055 splitting before first stmt.
2057 2006-07-24 Jan Hubicka <jh@suse.cz>
2059 PR rtl-optimization/28071
2060 * ipa-inline.c (update_caller_keys): Remove edges that
2061 are no longer inline candidates.
2063 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2066 * dbxout.c (output_used_types_helper, output_used_types): New.
2067 (dbxout_symbol): Call output_used_types.
2069 2006-07-23 Jan Hubicka <jh@suse.cz>
2073 * cgraph.c (cgraph_varpool_nodes): Export.
2074 (decide_is_variable_needed): Ignored "used" attribute in
2075 unit-at-a-time mode.
2076 * cgraph.h (cgraph_varpool_nodes): Declare.
2077 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2078 unit-at-a-time mode.
2080 2006-07-23 Roger Sayle <roger@eyesopen.com>
2083 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2084 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2085 the __gthrw form of thr_keycreate.
2086 (__gthread_key_delete): Silence the unused argument warning.
2088 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2091 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2092 Cache the last found '\0' marker to avoid quadratic behavior.
2094 2006-07-23 Jan Hubicka <jh@suse.cz>
2096 * i386.md (subsi_3_zext): Fix output template.
2098 2006-07-21 Mike Stump <mrs@apple.com>
2100 * doc/invoke.texi (C++ Dialect Options): Note that
2101 -fvisibility-inlines-hidden doesn't affect explicitly
2102 instantiationed inline methods.
2104 2006-07-20 Roger Sayle <roger@eyesopen.com>
2106 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2107 if the target assembler is GNU binutils' gas.
2108 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2109 whether to pass GNU gas or native as command line options.
2111 2006-07-20 Jason Merrill <jason@redhat.com>
2113 * tree.c (remove_attribute): New fn.
2114 * tree.h: Declare it.
2116 2006-07-20 Paul Brook <paul@codesourcery.com>
2119 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2120 they are invalidated by this instruction.
2122 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2125 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2127 2006-07-20 Eric Christopher <echristo@apple.com>
2130 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2132 2006-07-19 Eric Christopher <echristo@apple.com>
2134 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2135 Rewrite dependencies for libgcc_s.1.dylib.
2137 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2139 * except.c (duplicate_eh_regions_1): Clear next_peer.
2141 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2143 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2144 -mlongcall does not guarantee all calls will be long.
2145 * doc/extend.texi (long_call/short_call): Document that longcall
2146 does not guarantee a long call will be used.
2147 (longcall/shortcall): Likewise.
2149 2006-07-18 Roger Sayle <roger@eyesopen.com>
2152 * expmed.c (expand_shift): Additionally check that the shift_cost
2153 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2154 before implementing a LSHIFT_EXPR as a sequence of additions.
2155 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2156 middle-end that DImode shifts need to be synthesized by expand.
2158 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2161 * tree-ssa-operands.c (access_can_touch_variable): Update
2163 Return true if ALIAS is .GLOBAL_VAR.
2165 2006-07-18 David Daney <ddaney@avtrex.com>
2167 * gcc.c (display_help): Fix typo in help text.
2169 2006-07-18 Olivier Hainque <hainque@adacore.com>
2171 * tree.h (categorize_ctor_elements): Adjust prototype and add
2172 descriptive comment, both in accordance with the interface change
2174 * varasm.c (constructor_static_from_elts_p): New function.
2175 Whether a constructor node is a valid static constant initializer
2176 if all its elements are.
2177 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2178 * output.h: Declare it.
2179 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2180 is a valid constant initializer instead of computing the number of
2181 non-constant elements. Use constructor_static_from_elts_p for this
2182 purpose. Replace the head comment with an indication that this is a
2183 helper for categorize_ctor_elements.
2184 (categorize_ctor_elements): Same interface change as for the _1
2185 helper. Former head comment from this helper moved here, adjusted to
2186 account for the interface changes.
2187 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2188 (all_zeros_p): Likewise.
2189 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2190 static versions of the constructor from the categorize_ctor_elements
2191 return value instead of the formerly computed number of non-constant
2194 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2196 * configure: Regenerate.
2197 * Makefile.in (build_libsubdir): New configure substitution
2198 (build_libobjdir): New variable.
2199 (BUILD_LIBIBERTY): Use it.
2201 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2204 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2206 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2209 * c-common.c (handle_weakref_attribute): Ignore attribute in
2210 the same conditions the alias attribute is ignored.
2212 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2214 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2215 (dbxout_begin_prologue): Increment scope_labelno.
2217 2006-07-17 Richard Henderson <rth@redhat.com>
2220 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2223 2006-07-17 Roger Sayle <roger@eyesopen.com>
2224 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2226 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2227 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2228 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2229 functions such as sbrk, write, etc.. Add function prototypes.
2230 Convert function declarations from K&R to ISO C. Cast pointers
2231 to "long" and "unsigned long" instead of "int" and "unsigned int".
2232 Convert tokens following #endif into comments.
2234 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2236 * invoke.texi: Remove mention of f77; Reformat table for
2237 inline parameter options correctly; mention that -malign-double
2238 is default on x86-64 targets.
2240 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2242 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2243 (convert_affine_scev, chrec_convert_aggressive): Use
2244 avoid_arithmetics_in_type_p. Do not check for the subtypes
2247 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2250 * optabs.c (expand_doubleword_shift): Wrap the call to
2251 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2253 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2256 * optabs.c (expand_binop): Pass next_methods rather than methods
2257 to expand_doubleword_shift.
2259 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2262 * tree.h (dump_addr): Declare.
2263 * print-tree.c (dump_addr): New function.
2264 (print_node_brief, print_node): Use it.
2265 * print-rtl.c (print_rtx): Likewise.
2266 * common.opt (-fdump-noaddr): New option.
2267 * doc/invoke.texi (-fdump-noaddr): Document.
2268 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2269 (ve_info_hash): Likewise.
2271 2006-07-13 Andrew Haley <aph@redhat.com>
2273 PR tree-optimization/19505
2274 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2275 edge leaving this block, make sure that the destination of this
2276 block has only one predecessor.
2278 2006-07-17 Richard Guenther <rguenther@suse.de>
2280 PR tree-optimization/28238
2281 * tree-inline.c (copy_bb): Check if we produced valid
2282 gimple copying and substituting a stmt. If not, gimplify
2285 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2287 * optabs.c (maybe_encapsulate_block): New function extracted from...
2288 (emit_libcall_block): ...here. Invoke it on the block of insns to
2289 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2290 (emit_no_conflict_block): Likewise.
2292 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2294 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2296 2006-07-15 Roger Sayle <roger@eyesopen.com>
2298 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2299 a new NOP_EXPR case of the switch statement.
2301 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2304 * stor-layout.c (place_field): Take the bit field with
2305 an excessive size into account in the ms-bitfiled case.
2308 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2309 the previous bit field.
2311 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2314 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2316 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2318 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2319 signal frames correctly even when the signal was installed with
2322 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2324 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2325 (dbxout_function_end): Use local label LFBB. Remove hook
2327 (dbxout_source_line): Use local label LFBB.
2328 (dbxout_block): Likewise.
2329 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2330 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2331 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2332 and DBX_OUTPUT_NFUN.
2334 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2336 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2338 2006-07-13 Jan Hubicka <jh@suse.cz>
2340 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2342 * output.h (align_variable): Declare.
2343 * varasm.c (align_variable): Export.
2344 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2345 when basic block changed.
2347 2006-07-13 Nick Clifton <nickc@redhat.com>
2349 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2350 walking the LOG_LINKS chain.
2352 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2354 * doc/invoke.texi (C++ Dialect Options): Explain difference
2355 between -fvisibility-inlines-hidden and setting hidden
2356 visibility explicitly.
2358 2006-07-12 Eric Christopher <echristo@apple.com>
2360 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2361 (stmp-lipo): Depend on libgcc.a.
2363 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2365 * tree.c: Fix a comment typo.
2367 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2369 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2371 (umulhisi3_r): Likewise.
2373 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2376 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2377 x < 19, vs wchar_t support.
2379 2006-07-12 Nick Clifton <nickc@redhat.com>
2381 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2382 instead of -isa=sh4.
2384 2006-07-12 Mike Stump <mrs@apple.com>
2386 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2388 2006-07-10 Eric Christopher <echristo@apple.com>
2390 * config/t-slibgcc-darwin: Rewrite.
2392 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2395 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2398 2006-07-08 Matthias Klose <doko@debian.org>
2400 * doc/sourcebuild.texi: Fix typo.
2402 2006-07-07 Mike Stump <mrs@apple.com>
2404 * toplev.c (process_options): Don't give -ffunction-sections may
2405 affect debugging warning for Mach-O.
2407 2006-07-07 James E Wilson <wilson@specifix.com>
2409 * config/mips/mips.md (cpu): Add sb1a.
2410 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2411 addition to sb1. Adjust comments to clarify SB-1A differences from
2413 (ir_sb1a_load): New. Modify bypasses to use it.
2414 (ir_sb1a_simple_alu): Likewise.
2415 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2416 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2417 (mips_issue_rate): Add PROCESSOR_SB1A.
2418 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2419 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2420 (TARGET_SB1): Add PROCESSOR_SB1A check.
2421 (TUNE_SB1): Likewise.
2423 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2424 * config/mips/mips.c (mips_store_data_bypass_p): New.
2425 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2426 store_data_bypass_p.
2428 2006-07-08 Paul Brook <paul@codesourcery.com>
2431 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2433 2006-07-07 Richard Guenther <rguenther@suse.de>
2436 * tree.h (build_one_cst): Declare.
2437 * tree.c (build_one_cst): New function.
2438 * tree-ssa-math-opts.c (get_constant_one): Remove.
2439 (insert_reciprocals): Use build_one_cst.
2440 * fold-const.c (fold_plusminus_mult): Likewise.
2442 2006-07-07 Roger Sayle <roger@eyesopen.com>
2444 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2445 * cfgloopanal.c (dump_graph): Likewise.
2446 * dojump.c (discard_pending_stack_adjust): Likewise.
2447 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2449 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2450 * function.c (finalize_block_changes): Likewise.
2451 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2452 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2453 * rtl.c (dump_rtx_statistics): Likewise.
2454 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2456 * varray.c (dump_varray_statistics): Likewise.
2457 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2458 decode_decimal64, encode_decimal128, decode_decimal128,
2459 decimal_real_to_decimal): Likewise.
2461 2006-07-07 Richard Guenther <rguenther@suse.de>
2463 PR tree-optimization/28187
2464 * tree-vrp.c (vrp_operand_equal_p): New function.
2465 (vrp_bitmap_equal_p): Likewise.
2466 (update_value_range): Use them to compare old and new
2469 2006-07-06 Roger Sayle <roger@eyesopen.com>
2471 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2472 a default case to switch statement to silence compiler warnings.
2474 2006-07-06 Roger Sayle <roger@eyesopen.com>
2477 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2478 the configured assembler supports the x87's ffreep mnemonic.
2479 * configure: Regenerate.
2480 * config.in: Regenerate.
2482 * config/i386/i386.c (output_387_ffreep): New function.
2483 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2484 (output_387_reg_move): Likewise.
2486 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2488 Port to hosts whose 'sort' and 'tail' implementations
2489 treat operands with leading '+' as file names, as POSIX
2490 has required since 2001. However, make sure the code still
2491 works on pre-POSIX hosts.
2492 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2493 which says you should use "tail -c +N" rather than "tail +Nc".
2494 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2496 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2498 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2501 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2504 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2505 PRE_{INC,DEC} of TFmode.
2507 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2508 Alan Modra <amodra@bigpond.net.au>
2511 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2514 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2517 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2518 Remove duplicate gtu.
2520 2006-07-05 Jason Merrill <jason@redhat.com>
2524 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2525 * c-common.c (handle_packed_attribute): So don't copy it here.
2526 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2528 2006-07-05 Mike Stump <mrs@apple.com>
2530 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2532 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2535 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2537 2006-07-05 Richard Guenther <rguenther@suse.de>
2540 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2541 TARGET_SSE2 targets if using SSE math.
2542 (*absdf2_1): Likewise.
2544 2006-07-05 Richard Guenther <rguenther@suse.de>
2546 PR tree-optimization/28162
2547 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2548 make sure to convert the operands to the correct type.
2550 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2552 PR tree-optimization/28218
2554 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2555 to calculate and free the dominator information.
2557 2006-07-04 Peter O'Gorman <peter@pogma.com>
2559 * mklibgcc.in: chmod 644 before ranlib during install.
2561 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2562 J"orn Rennecke <joern.rennecke@st.com>
2564 * configure.ac (.eh_frame data check): Use diff -b.
2566 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2569 * Makefile.in (BUILD_RTL): Add build/vec.o.
2570 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2571 (build/genextract): Delete.
2572 (build/genautomata): Likewise.
2574 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2577 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2578 128-bit IBM long doubles for ABI_V4.
2580 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2582 * tree.c (range_in_array_bounds_p): New predicate.
2583 * tree.h (range_in_array_bounds_p): Declare it.
2584 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2585 return a less conservative answer.
2586 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2587 and flag 'is_group'.
2588 (IS_ELEMENT_FOR_GROUP): New macro.
2589 (FOR_EACH_ACTUAL_CHILD): Likewise.
2590 (next_child_for_group): New helper function.
2591 (can_completely_scalarize_p): Take into account groups.
2592 (sra_hash_tree): Handle RANGE_EXPR.
2593 (sra_elt_eq): Likewise.
2594 (lookup_element): Be prepared for handling groups.
2595 (is_valid_const_index): Delete.
2596 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2597 instead of is_valid_const_index.
2598 <ARRAY_RANGE_REF>: New case.
2599 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2600 is_valid_const_index.
2601 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2602 (scan_dump): Dump info for groups too.
2603 (decide_instantiation_1): Likewise.
2604 (decide_block_copy): Assert that the element is not a group.
2605 Propagate decision to groups.
2606 (generate_one_element_ref): Handle RANGE_EXPR.
2607 (mark_no_warning): Iterate over actual childs.
2608 (generate_copy_inout): Likewise.
2609 (generate_element_copy): Likewise.
2610 (generate_element_zero): Likewise.
2611 (generate_element_init_1): Likewise.
2612 (dump_sra_elt_name): Handle RANGE_EXPR.
2614 2006-07-03 Roger Sayle <roger@eyesopen.com>
2616 PR tree-optimization/26251
2617 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2618 (thread_block): When optimizing for size refuse to thread jumps
2619 that would require duplication of blocks other than redirection
2622 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2624 * configure.ac: Fix thinko in previous check-in.
2625 * configure: Regenerate.
2627 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2630 * configure.ac (for lang...): Simplify nesting of conditionals.
2631 Test subdir_requires for non-enabled languages. Move processing
2632 of lang_opt_files and lang_tree_fiels below that test.
2633 * configure: Regenerate.
2634 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2636 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2638 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2640 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2642 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2645 2006-06-29 Jason Merrill <jason@redhat.com>
2652 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2653 * c-common.c (c_determine_visibility): Handle it here.
2654 * c-decl.c (finish_decl): Call c_determine_visibility for
2656 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2658 * varasm.c (default_assemble_visibility): Likewise.
2659 * c-common.c (handle_visibility_attribute): Complain about trying
2660 to give visibility to an already defined class, or trying to change
2661 declared visibility. Always attach the attribute.
2666 * attribs.c (decl_attributes): Ignore type-in-place attributes
2667 once the type has been defined.
2669 2006-06-29 Roger Sayle <roger@eyesopen.com>
2672 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2673 to indicate the cpplib has issued an error message for us.
2675 2006-06-29 Asher Langton <langton2@llnl.gov>
2678 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2679 insert a label at the end of an function under Mach-O.
2681 2006-06-29 Eric Christopher <echristo@apple.com>
2682 Evan Cheng <evan.cheng@apple.com>
2684 * predicates.md (vector_all_ones_operand): New.
2685 (nonimmediate_or_sse_const_operand): Ditto.
2686 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2687 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2688 (standard_sse_mode_p): Ditto.
2689 (standard_sse_constant_p): Add case for -1 vector.
2690 (ix86_expand_vector_move): Try to use.
2691 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2692 Call standard_sse_constant_opcode.
2693 (*movv4sf_internal): Ditto.
2694 (*movv2df_internal): Ditto.
2696 2006-06-29 Roger Sayle <roger@eyesopen.com>
2698 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2699 of XEXP to extract the operands of a MATCH_CODE rtx.
2701 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2703 * tree.c (tree_size): Do not waste tail padding in
2704 struct tree_string and make the size be the same as
2705 build_string will generate.
2707 2006-06-28 Jason Merrill <jason@redhat.com>
2710 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2711 may_aliases already in the tag's annotations to the bitmap.
2713 2006-06-28 Roger Sayle <roger@eyesopen.com>
2715 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2717 2006-06-28 Roger Sayle <roger@eyesopen.com>
2719 * genpreds.c (generate_switch_p): New function.
2720 (add_mode_tests): Push the new mode test down inside an AND expr
2721 if this allows the switch-suitable MATCH_CODE to be near the root.
2722 (write_match_code_switch): New function to write a MATCH_CODE as
2724 (write_predicate_stmts): New function to write a predicate RTX
2725 expression as a sequence of statements.
2726 (write_one_predicate_function): Use write_predicate_stmts.
2727 (write_tm_constrs_h): Likewise.
2729 2006-06-26 Fred Fish <fnf@specifix.com>
2731 * config/mips/t-sb1: New file.
2732 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2735 2006-06-26 DJ Delorie <dj@redhat.com>
2737 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2739 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2740 Jayant Sonar <jayants@kpitcummins.com>
2741 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2743 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2744 (subsi3, subsi3_1, subsi3_2): New.
2745 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2746 * config/m32c/mov.md (SI mov peephole): New.
2747 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2748 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2750 2006-06-26 Olivier Hainque <hainque@adacore.com>
2752 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2753 a CALL_EXPR target function declaration.
2755 2006-06-26 Richard Guenther <rguenther@suse.de>
2757 * tree.c (build_string): Do not waste tail padding in
2760 2006-06-26 Richard Guenther <rguenther@suse.de>
2762 * ggc-page.c (init_ggc): Add missing element to size_lookup
2766 2006-06-23 Richard Guenther <rguenther@suse.de>
2768 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2769 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2770 alignment requests instead. Add verification code.
2771 Add struct tree_function_decl and struct tree_binfo size to
2772 extra_order_size_table. Add missing element to size_lookup
2775 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2778 * fold-const.c (const_binop): Be prepared for self returning zero.
2779 Simplify code handling complex values.
2781 2006-06-24 Olivier Hainque <hainque@adacore.com>
2783 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2784 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2787 2006-06-24 Olivier Hainque <hainque@adacore.com>
2789 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2790 ARRAY_REF, so have the callback called for the low bound expression.
2792 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2794 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2795 * c-typeck.c (c_common_type): Disallow operations on decimal float
2796 types and other float types.
2797 * convert.c (convert_to_real): Don't ignore conversions involving
2798 decimal float types.
2800 2006-06-23 Olivier Hainque <hainque@adacore.com>
2802 * tree.c (max_int_size_in_bytes): New function, inspired from
2803 code in function.c:assign_temp.
2804 * tree.h (max_int_size_in_bytes): Declare.
2805 * function.c (assign_temp): Use it.
2806 * gimplify.c (create_tmp_var): Relax the assertions on the type
2807 properties, not mandating constant size any more.
2808 (force_constant_size): New static function.
2809 (gimple_add_tmp_var): Use it, forcing variable size to a
2810 constant upper bound if it is not constant on entry.
2812 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2815 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2816 for initialization and setting of one_only flag to ...
2817 (i386_pe_encode_section_info): ...here.
2818 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2819 Recheck that the symbol has not been defined.
2821 2006-06-23 Richard Guenther <rguenther@suse.de>
2823 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2824 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2825 alignment requests instead. Add verification code.
2826 Add struct tree_function_decl and struct tree_binfo size to
2827 extra_order_size_table. Add missing element to size_lookup
2830 2006-06-22 Roger Sayle <roger@eyesopen.com>
2831 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2834 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2835 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2837 2006-06-23 Ben Elliston <bje@au.ibm.com>
2839 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2840 negate dn -- manipulate it directly.
2842 2006-06-22 Roger Sayle <roger@eyesopen.com>
2843 Steven Bosscher <stevenb.gcc@gmail.com>
2846 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2847 generated by gen_move_insn to add REG_LABEL notes if necessary.
2849 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2851 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2852 (leaf_entry): Remove use of MIN_ESA.
2854 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2856 PR rtl-optimization/28121
2857 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2860 2006-06-21 DJ Delorie <dj@redhat.com>
2862 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2864 (mulhisi3_r): Likewise.
2866 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2869 * coverage.c (coverage_counter_alloc): Leave the index type
2871 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2874 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2876 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2877 section from the "Options for Code Generation Conventions".
2879 2006-06-21 Richard Henderson <rth@redhat.com>
2883 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2885 (global_symbolic_operand): Allow weak symbols, even if local_p.
2887 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2889 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2890 (find_interesting_uses_address): Punt if above function returns true.
2892 2006-06-21 Richard Guenther <rguenther@suse.de>
2894 * configure: Regenerated.
2896 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2898 * config/mips/mips.c (function_arg): Where one part of a
2899 complex argument is in registers and the other part in the stack,
2900 return a REG not a PARALLEL.
2902 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2904 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2905 when cross-compiling. Do not substitute libstdcxx_incdir.
2906 * configure: Regenerated.
2908 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2910 * varasm.c (mergeable_string_section): Check for embedded NULs and
2911 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2912 rather than TREE_STRING_LENGTH bytes.
2914 2006-06-21 Richard Guenther <rguenther@suse.de>
2916 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2917 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2920 2006-06-21 Richrad Guenther <rguenther@suse.de>
2922 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2923 Limit iteration over the dominators.
2925 2006-06-20 Roger Sayle <roger@eyesopen.com>
2927 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2928 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2930 2006-06-20 Richard Guenther <rguenther@suse.de>
2931 Michael Matz <matz@suse.de>
2933 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2935 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2936 * et-forest.h (et_free_pools): Prototype new function.
2937 * et-forest.c (et_free_tree_force): Free parent occurrence.
2938 (et_free_pools): New function.
2939 * dominance.c (free_dominance_info): Free et-forest alloc
2942 2006-06-20 Roger Sayle <roger@eyesopen.com>
2944 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2945 integer modes, attempt to directly construct an integer constant.
2947 * fold-const.c (native_encode_vector): Determine the size of each
2948 element from the vector type instead of the first vector element.
2950 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2951 if all of its elements/components are constant.
2952 (build_constructor_from_list): Likewise.
2954 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2956 PR tree-optimization/27331
2957 * tree-data-ref.c (free_data_ref): New function.
2958 (create_data_ref): Fail if the data reference has unknown access
2960 (free_data_refs): Use free_data_ref.
2962 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2965 * tree-inline.c (setup_one_parameter): Strip useless
2966 type conversion before adding it to the IR.
2967 (declare_return_variable): Likewise.
2969 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2972 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2974 2006-06-19 Mike Stump <mrs@apple.com>
2976 * tree.c (variably_modified_type_p): VM arguments don't make the
2979 2006-06-19 Richard Guenther <rguenther@suse.de>
2981 * tree-ssa-pre.c (try_combine_conversion): Strip useless
2982 type conversions after folding.
2984 2006-06-19 Richard Guenther <rguenther@suse.de>
2986 * ggc-page.c (extra_order_size_tab): Add entries with
2987 size of struct function and basic_block.
2988 (size_lookup): Extend to cover sizes up to 511.
2989 (ggc_alloc_stat): Adjust user.
2990 (ggc_pch_count_object): Likewise.
2991 (ggc_pch_alloc_object): Likewise.
2992 (ggc_pch_write_object): Likewise.
2994 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
2996 * tree-ssa-loop-niter.c (implies_ge_p): New function.
2997 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3000 2006-06-19 Denis Chertykov <denisc@overta.ru>
3002 * config/avr/libgcc.S : Correct my wrong previous commit.
3004 2006-06-19 Roger Sayle <roger@eyesopen.com>
3007 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3008 have stripped a SUBREG from the shift count, so we may need to
3009 convert_to_mode back to the type's mode before calling make_tree.
3010 Use new_amount instead of amount to avoid expanding a tree twice.
3012 2006-06-19 Richard Guenther <rguenther@suse.de>
3015 * fold-const.c (operand_equal_p): Check if the argument types
3016 have the same precision before stripping NOPs.
3018 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3020 Fix PR tree-optimization/27341
3021 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3023 * tree-complex.c (pass_lower_complex): Update SMT usage.
3025 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3027 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3028 Add a new alternative to the constraint strings. Add move of
3029 operand 1 to 3 to the splitter definition.
3030 ("doloop_si_long"): Second contraint alternative removed.
3032 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3034 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3035 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3037 (AVR_HAVE_MOVW) Define.
3038 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3039 (ASM_SPEC): Add avr25.
3040 (LINK_SPEC): Add avr25.
3041 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3042 (base_arch_s): Add new member 'have_movw_lpmx'.
3043 (avr_arch_types): Init 'have_movw_lpmx'.
3044 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3045 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3046 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3047 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3048 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3050 (avr_file_start): Do not output '.arh' derective.
3051 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3052 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3053 * config/avr/avr.md (mcu_enhanced): Delete.
3054 (mcu_have_movw): Define.
3055 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3056 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3057 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3058 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3059 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3060 attiny861 and at86rf401 devices.
3062 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3064 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3067 2006-06-17 Karl Berry <karl@gnu.org>
3069 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3070 doc/gccint.texi, doc/install.texi (@dircategory): Use
3071 "Software development" instead of "Programming", following
3072 the Free Software Directory.
3074 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3076 * config/i386/i386.c (legitimate_tls_address)
3077 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3078 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3079 (*tls_dynamic_gnu2_combine_64): Likewise.
3081 2006-06-16 Richard Guenther <rguenther@suse.de>
3084 * fold-const.c (negate_expr_p): Do not introduce undefined
3085 overflow in negating INTEGER_CSTs.
3086 (fold_negate_expr): Rename from negate_expr. Revert last
3087 change for folding BIT_NOT_EXPR. Change semantics to
3088 return NULL_TREE for non-simplified negations. Do not
3089 strip type conversions and unify type handling.
3090 (negate_expr): New function, wrap around fold_negate_expr
3091 but ensure building a tree always. Strip type conversions
3092 here, fold to result type.
3093 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3095 2006-06-16 Roger Sayle <roger@eyesopen.com>
3098 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3099 that (would) return their results in stack registers.
3101 2006-06-16 Michael Matz <matz@suse.de>
3102 Richard Guenther <rguenther@suse.de>
3104 * fold-const.c (fold_truthop): Only return new tree node if
3105 we canonicalized something.
3107 2006-06-16 Richard Guenther <rguenther@suse.de>
3109 * function.h (enum function_frequency): Move declaration
3110 out of struct function.
3111 (struct function): Move bool fields and the enum to the bitfield
3112 section. Reorder elements to avoid padding. Remove unused
3113 fields left over from the RTL inliner removal.
3114 * function.c (free_after_compilation): Do not zero removed fields.
3115 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3116 (ipa-type-escape.o): Likewise.
3118 2006-06-16 Richard Guenther <rguenther@suse.de>
3120 * cgraph.h (struct cgraph_local_info): Turn bool elements
3122 (struct cgraph_node): Likewise.
3123 (struct cgraph_varpool_node): Likewise.
3125 2006-06-15 Richard Guenther <rguenther@suse.de>
3127 * fold-const.c (fold_truth_not_expr): Rename from
3128 invert_truthvalue. Give it fold_* semantics to avoid
3130 (invert_truthvalue): New function. Wrapper around
3131 fold_truth_not_expr.
3132 (optimize_minmax_comparison): Avoid creating garbage.
3133 (fold_unary): Use fold_truth_not_expr for folding
3135 (fold_ternary): Replace uses of invert_truthvalue with
3136 fold_truth_not_expr where applicable.
3137 * tree.h (fold_truth_not_expr): Prototype.
3139 2006-06-16 Richard Guenther <rguenther@suse.de>
3141 PR tree-optimization/27781
3142 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3143 * ipa-pure-const.c (target.h): Include.
3144 (analyze_function): Do not analyze functions that do not
3147 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3150 * tree-dfa.c (referenced_vars_dup_list): Remove.
3151 (find_referenced_vars): Remove assert.
3152 (referenced_var_check_and_insert): Replace dup list with assert.
3153 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3154 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3156 2006-06-15 Richard Guenther <rguenther@suse.de>
3158 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3159 extra unused identifiers if not dumping.
3160 (create_variable_info_for): Likewise.
3162 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3164 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3165 (derive_constant_upper_bound): Derive more precise upper bound in
3166 common cases. Return type changed to double_int.
3167 (record_estimate): Reflect the changed return type of
3168 derive_constant_upper_bound.
3169 * double-int.c (double_int_zext, double_int_sext): Fix.
3171 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3173 * configure.ac (CFLAGS): Get them from the toplevel or from the
3174 configure invocation.
3175 * configure: Regenerate.
3176 * Makefile.in (CFLAGS): Substitute value provided by configure.
3178 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3181 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3182 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3183 rather than calling add_stmt on it.
3184 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3186 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3189 * reload1.c (reload): Remove registers returned by update_eliminables
3190 from used_spill_regs.
3192 2006-06-13 DJ Delorie <dj@redhat.com>
3194 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3196 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3198 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3199 html__strip_dir, html__mkdir_p. Enhance install-html target.
3200 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3201 * configure: Regenerate.
3203 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3205 * fold-const.c (fold_cond_expr_with_comparison): Check for
3206 Objective-C++ as language in deciding COND_EXPR transformation.
3208 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3211 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3212 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3213 * config/sh/lib1funcs.h (SL, SL1): Define.
3214 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3215 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3216 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3217 (OBJS_Os_4_200): New variable.
3218 ($(T)libgcc-Os-4-200.a): Use it.
3219 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3220 when dividing 1 and/or by 0.
3222 2006-06-13 Roger Sayle <roger@eyesopen.com>
3224 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3225 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3226 * configure: Regenerate.
3228 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3230 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3231 for real instruction.
3233 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3236 * haifa-sched.c (check_cfg): Handle special case.
3238 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3241 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3242 Add debug_info parameter. Chain the vars to the BLOCK instead
3243 of the BIND_EXPR if debug info are requested for them.
3244 (pop_gimplify_context): Adjust for above change.
3245 (gimple_add_tmp_var): Likewise.
3246 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3248 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3249 (convert_local_reference): Likewise.
3250 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3251 (finalize_nesting_tree_1): Request that debug info be emitted
3252 for debug_var_chain.
3254 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3256 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3257 for PR target/27863.
3259 2006-06-13 Richard Guenther <rguenther@suse.de>
3262 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3264 2006-06-13 Richard Guenther <rguenther@suse.de>
3266 PR tree-optimization/27830
3267 * tree-inline.c (copy_body_r): For copying the operand
3268 of an ADDR_EXPR make sure to fold &* afterwards.
3270 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3272 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3273 lvalues in the fb_none case with side-effects.
3275 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3277 * tree-flow.h: Remove the prototype for
3278 compute_phi_arg_on_exit.
3279 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3280 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3283 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3285 * builtins.c (expand_builtin_return_addr): Only use
3286 frame_pointer_rtx when count == 0 and we are expanding
3287 __builtin_return_address.
3289 2006-06-12 Fred Fish <fnf@specifix.com>
3291 * config/mips/mips.c (mips_file_start): Create special section
3292 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3294 2006-06-11 Eric Christopher <echristo@apple.com>
3297 * stor-layout.c (place_field): Remove check for
3298 remaining_in_alignment when aligning at the end of a run.
3300 2006-06-11 Eric Christopher <echristo@apple.com>
3303 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3306 2006-06-11 Roger Sayle <roger@eyesopen.com>
3309 Revert incorrect fix for PR target/27158
3310 2006-05-08 Roger Sayle <roger@eyesopen.com>
3311 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3312 of a reg_equiv_constant if the result is a legitimate constant.
3314 2006-06-11 Roger Sayle <roger@eyesopen.com>
3317 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3318 extract a CONST_VECTOR element and interpret it as an integer.
3319 (vspltis_constant): Use const_vector_elt_as_int instead of the
3320 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3321 * config/rs6000/predicates.md (easy_vector_const): Consider
3322 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3324 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3327 * stor-layout.c (update_alignment_for_field): Don't add extra
3328 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3331 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3333 * config/mips/t-rtems: Add EL/EB multilib variants.
3335 2006-06-09 Mike Stump <mrs@apple.com>
3337 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3339 2006-06-09 David Daney <ddaney@avtrex.com>
3341 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3343 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3345 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3347 2006-06-09 Richard Guenther <rguenther@suse.de>
3349 PR tree-optimization/26998
3350 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3351 of signed types, only TYPE_MIN_VALUE is special, but for both,
3352 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3353 in this case, as is -fwrapv.
3355 2006-06-08 Mike Stump <mrs@apple.com>
3358 * config/darwin.c (darwin_asm_output_anchor): Disable
3359 -fsection-anchors on darwin for now.
3360 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3361 * rs6000/rs6000.c (optimization_options): Likewise.
3363 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3366 * config/i386/i386.c (classify_argument): Skip fields with invalid
3369 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3371 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3372 (cse_insn): Likewise for the stack_pointer_rtx.
3374 2006-06-08 Roger Sayle <roger@eyesopen.com>
3376 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3377 conditions from floating point comparisons.
3379 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3382 * expmed.c (struct alg_hash_entry): Fix type of field T
3383 to match synth_mult argument.
3384 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3386 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3389 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3392 2006-06-08 Richard Guenther <rguenther@suse.de>
3395 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3396 only, if overflow is defined and not trapping.
3397 (negate_expr): Likewise.
3399 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3401 PR tree-optimization/27872
3402 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3403 flag on the new exit edge of the unrolled loop.
3405 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3407 PR rtl-optimization/26449
3408 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3410 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3413 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3414 referenced_variables with matching DECL_UID's.
3415 (find_referenced_vars): Make sure duplicate list is empty to start.
3416 (referenced_var_p): Remove.
3417 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3418 Check if var is in the list, and add if needed. Update the duplicate
3419 list if a different var is in the list with the same DECL_UID.
3420 (add_referenced_var): Call routine to check and insert.
3421 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3422 * tree-flow.h (referenced_vars_dup_list): External declaration.
3424 2006-06-07 Fred Fish <fnf@specifix.com>
3426 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3429 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3432 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3433 the imaginary and real parts of a clobbered register.
3434 Emit insn to set the imaginary part.
3436 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3438 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3439 in lieu of unwind-dw2-fde.c.
3441 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3443 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3445 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3448 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3449 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3450 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3451 V4SImode temporaries and operations instead.
3453 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3455 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3458 2006-06-06 Mike Stump <mrs@apple.com>
3460 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3461 installing during build.
3463 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3465 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3467 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3468 * config/ia64/ia64.c (params.h): New header.
3469 (ia64_optimization_options): New function to adjust parameters.
3470 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3471 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3472 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3474 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3476 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3478 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3481 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3483 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3484 Victor Kaplansky <victork@il.ibm.com>
3486 PR tree-optimization/26360
3487 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3490 2006-06-04 Roger Sayle <roger@eyesopen.com>
3491 Andrew Pinski <pinskia@physics.uc.edu>
3494 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3495 for LABEL_DECL before calling DECL_WEAK.
3498 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3499 LABEL_DECL and PARM_DECL.
3501 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3505 * c-decl.c (grokdeclarator): Disallow variably modified types at
3506 file scope. Avoid marking shared array type of constant size as
3509 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3512 * c-common.c (fold_offsetof_1): Handle static members.
3514 2006-06-04 Eric Christopher <echristo@apple.com>
3516 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3517 (debug_rli): Output value for remaining_in_alignment.
3518 (update_alignment_for_field): Unconditionalize
3519 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3520 extra alignment code.
3521 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3522 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3523 * tree.h (record_layout_info_s): Remove prev_packed.
3524 * doc/extend.texi (ms_struct): Add documentation of format.
3526 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3528 * tree.h: Declare folding_initializer.
3529 * builtins.c (fold_builtin_constant_p): Give definite answer
3530 if folding inside an initializer.
3531 * fold-const.c: Define folding_initializer.
3532 (START_FOLD_INIT): Save and then set folding_initializer.
3533 (END_FOLD_INIT): Restore folding_initializer.
3535 2006-06-04 Richard Guenther <rguenther@suse.de>
3537 PR tree-optimization/27039
3538 * fold-const.c (fold_comparison): Handle pointer comparison
3539 again for all comparison codes. Compare offsets in signed
3541 (fold_binary): Move code from here.
3543 2006-06-03 Roger Sayle <roger@eyesopen.com>
3546 * config/i386/i386.c (construct_container): Split static issued_error
3547 flag into issued_sse_arg_error, issued_sse_ret_error and
3548 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3549 requires the use of x87 registers and the user explicitly
3550 specified the -mno-80387 command line option.
3552 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3554 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3555 HAVE_DECL_SIGALTSTACK.
3557 (segv_handler): Use MC_FLD.
3558 * configure.ac: Check for a sigaltstack declaration.
3559 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3560 * configure: Regenerate.
3561 * config.in: Regenerate.
3563 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3566 * Makefile.in (stmp-fixinc): Fix typo.
3568 2006-06-02 Roger Sayle <roger@eyesopen.com>
3570 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3571 are type correct. Clean-up.
3572 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3573 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3575 2006-06-01 DJ Delorie <dj@redhat.com>
3577 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3578 shift, as we've disabled the "switch" insn that needs it.
3580 2006-06-01 Per Bothner <bothner@bothner.com>
3582 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3583 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3584 * c-ppoutput.c (cb_define): Don't increment line 0.
3586 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3588 * doc/invoke.texi: Add cpu_type power6.
3589 * config.gcc: Add cpu_type power6.
3590 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3591 to power5+ with Altivec.
3592 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3593 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3595 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3597 * config/avr/avr.h (SET_ASM_OP): Define.
3599 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3601 * config/bfin/bfin.c: Fix comment typos.
3603 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3606 * doc/install.texi: Document --enable-bootstrap and
3607 --disable-bootstrap.
3609 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3611 * doc/install.texi: Document that InfoZIP can replace jar.
3613 2006-05-31 Roger Sayle <roger@eyesopen.com>
3615 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3616 isn't available, directly generate the simpler x87 patterns without
3617 the (use (const_int 0)).
3618 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3619 implementation isn't available.
3620 (*negdf2_1): Likewise.
3621 (*negxf2_1): XF mode negation is always done using the x87.
3622 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3624 2006-05-31 Roger Sayle <roger@eyesopen.com>
3626 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3627 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3629 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3631 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3633 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3634 * config/bfin/bfin.c (basic-block.h): Include.
3635 (struct machine_function): New.
3636 (bfin_init_machine_status): New.
3637 (override_options): Initialize init_machine_status.
3638 (bfin_hardware_loop): New.
3639 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3640 (DEF_VEC_P (loop_info)): New.
3641 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3642 (struct loop_info): New.
3643 (loop_info): New typedef.
3644 (struct loop_work): New.
3645 (loop_work): New typedef.
3646 (DEF_VEC_O (loop_work)): New.
3647 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3648 (bfin_dump_loops): New.
3649 (bfin_bb_in_loop): New.
3650 (bfin_scan_loop): New.
3651 (bfin_optimize_loop): New.
3652 (bfin_reorg_loops): New.
3653 (bfin_reorg): Use bfin_reorg_loops.
3654 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3656 (I_REGNO_P): Simplify.
3657 (DP_REGNO_P, DPREG_P): New macros.
3658 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3659 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3660 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3661 Add LT_REGS, LC_REGS, LB_REGS.
3662 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3664 (REGNO_REG_CLASS): Deal with loop registers.
3665 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3667 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3668 New constants for loop registers.
3669 (UNSPEC_LSETUP_END): New.
3670 (seq_insns): New define_attr. Set it for appropriate insns.
3671 (movsi_insn): Add alternatives for move from/to
3672 loop count registers.
3673 (doloop_end): New define_expand.
3674 (loop_end): New define_insn.
3675 (define_split for bad doloop_end): New.
3676 (lsetup_with_autoinit): New define_insn.
3677 (lsetup_without_autoinit): New define_insn.
3678 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3679 * config/bfin/predicates.md (lc_register_operand): New.
3680 (lt_register_operand): New.
3681 (lb_register_operand): New.
3682 (nondp_register_operand): New.
3683 (nondp_reg_or_memory_operand): New.
3684 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3686 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3688 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3689 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3691 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3693 * Makefile.in (CATALOGS): Add po/ prefix.
3694 * configure: Regenerated.
3696 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3699 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3700 a shift operand before calling shift_op. Avoid redundant call of
3703 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3704 DJ Delorie <dj@redhat.com>
3706 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3707 we're inserting is a singlt-bit constant.
3709 2006-05-30 Roger Sayle <roger@eyesopen.com>
3711 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3712 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3714 2006-05-30 Roger Sayle <roger@eyesopen.com>
3716 PR tree-optimization/23452
3717 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3718 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3719 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3720 complex values and with -ffast-math for FP complex values.
3722 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3724 * c-common.h: Remove the prototype for yyparse.
3725 * rtl.h: Remove the prototype for init_loop.
3727 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3729 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3732 2006-05-30 Roger Sayle <roger@eyesopen.com>
3734 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3736 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3737 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3739 2006-05-30 Dirk Mueller <dmueller@suse.de>
3742 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3743 for CONSTANT_CLASS_P expresisons.
3745 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3748 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3750 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3752 PR tree-optimization/27779
3753 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3754 initial_condition instead of CHREC_LEFT.
3756 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3758 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3759 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3760 Make prototypes ISO C90.
3762 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3763 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3765 * see.c (see_analyze_one_def): Correct check.
3766 (see_get_extension_data): Check if extension is parallel.
3767 (see_get_extension_reg): Likewise.
3769 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3772 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3773 into register for (code == GTU).
3775 2006-05-29 Roger Sayle <roger@eyesopen.com>
3777 PR tree-optimization/24964
3778 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3779 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3780 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3781 abs(x)*abs(x) as x*x for scalar floating point modes.
3783 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3786 * lambda-code.c (perfect_nestify): Don't copy statements
3787 in the inner loop: move them to the inner loop header.
3789 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3792 * c-tree.texi: Document OpenMP directives and clauses.
3794 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3796 * varasm.c (globalize_decl): Fix indentation.
3798 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3801 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3802 pass_fre, pass_store_ccp, pass_copy_prop,
3803 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3804 pass_return_slot, pass_object_size, pass_lim,
3805 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3806 pass_loop_prefetch and pass_stdarg.
3808 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3810 * config/bfin/bfin.opt (mfdpic): New option.
3811 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3812 (EXTRA_MULTILIB_PARTS): Likewise.
3813 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3814 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3816 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3817 (CRT_CALL_STATIC_FUNCTION): New.
3818 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3820 (CRT_CALL_STATIC_FUNCTION): New.
3821 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3823 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3824 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3825 (initialize_trampoline): Changed to handle FD-PIC code generation.
3826 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3827 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3828 (override_options): Disallow -mid-shared-library -mfdpic combination.
3829 Can't do unaligned ops if FD-PIC.
3830 Turn off flag_pic if trying to generate non-id-shared-library
3831 non-fdpic code, since it's not supported.
3832 (bfin_assemble_integer): New function.
3833 (TARGET_ASM_INTEGER): Define.
3834 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3836 * config/bfin/crtn.s: Restore them.
3837 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3839 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3840 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3841 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3842 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3843 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3845 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3846 FDPIC_REGS and FDPIC_FPTR_REGS.
3847 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3848 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3849 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3850 (load_funcdescsi): New pattern.
3851 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3852 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3853 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3855 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3857 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3860 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3862 * tree-flow.h: Remove the prototype for add_type_alias.
3863 * tree-ssa-alias.c (add_type_alias): Remove.
3865 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3867 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3868 config/fr30/fr30.md, config/i386/i386-interix.h,
3869 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3870 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3871 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3872 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3873 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3874 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3875 Follow spelling conventions.
3876 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3877 Follow spelling conventions.
3879 2006-05-27 Richard Guenther <rguenther@suse.de>
3882 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3883 to produce a constant of value 1 of generic type.
3885 2006-05-27 Dirk Mueller <dmueller@suse.de>
3887 * cgraphunit.c (decide_is_function_needed): Fix wrong
3890 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3892 PR rtl-optimization/27661
3893 * reload.c (find_reloads): When reloading a VOIDmode constant
3894 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3895 use Pmode as mode of the reload register.
3897 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3899 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3900 is enabled at -O and above.
3902 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3905 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3908 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3911 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3912 for anonymous variables explicitly declared by front ends.
3914 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3916 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3917 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3918 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3919 ref-all pointers, run a finalization pass for them.
3920 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3921 (finalize_ref_all_pointers): New function.
3922 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3923 regular pointer type to a ref-all pointer type.
3924 (get_tmt_for): Return the special memory tag for ref-all pointers.
3926 2006-05-25 Richard Guenther <rguenther@suse.de>
3929 * fold-const.c (fold_binary): Do not look at the stripped
3930 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3932 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3934 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3935 for LT and GT if the computed range is effectively empty.
3937 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3940 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3941 mips_quad_format formats instead of ieee_single_format,
3942 ieee_double_format and ieee_quad_format formats, respectively.
3944 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3946 PR tree-optimization/27639
3947 PR tree-optimization/26719
3948 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3949 call to scev_probably_wraps_p.
3950 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3951 used_in_pointer_arithmetic_p, convert_step): Removed.
3952 (nowrap_type_p): New function.
3953 (scev_probably_wraps_p): Rewritten.
3954 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3955 chrec_convert if chrec_convert_aggressive might have been used.
3956 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3957 scev_direction): New functions.
3958 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3959 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3960 instead of convert_step.
3961 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3962 (convert_step): Declaration removed.
3963 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3965 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3967 * df-core.c: Added to header comments.
3968 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3969 df_ur_bb_info, df_urec_bb_info): Added comments.
3970 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3971 urec, ri problems): Fixed header comments.
3972 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3973 code from df_rd_transfer_function.
3975 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3977 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3978 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3979 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
3981 2006-05-23 Joseph Myers <joseph@codesourcery.com>
3983 * expr.c (undefined_operand_subword_p): New.
3984 (emit_move_multi_word): Do not generate move from undefined bits
3985 of a paradoxical subreg.
3987 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3989 PR rtl-optimization/27736
3990 * combine.c (replaced_rhs_value): New variable.
3991 (combine_instructions): Set it.
3992 (distribute_notes): When distributing a note in replaced_rhs_insn,
3993 check whether the value was used in replaced_rhs_value.
3995 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
3998 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
3999 add_referenced_var instead of add_referenced_tmp_var.
4000 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4001 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4003 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4004 tree_optimize_tail_calls_1): Use add_referenced_var.
4005 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4006 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4007 Use add_referenced_var.
4008 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4009 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4010 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4011 Use add_referenced_var.
4012 * tree-dfa.c (struct walk_state): Remove.
4013 (find_referenced_vars): Remove walk state and vars_found hash table.
4014 (make_rename_temp): Use add_referenced_var.
4015 (find_vars_r): Pass less parameters to add_referenced_var.
4016 (referenced_var_p): New. Is var in referenced_var hash table.
4017 (referenced_var_insert): Assert var isn't already in hash table.
4018 (add_referenced_var): Don't need walk_state parameter. Add var if it
4019 isn't already in the hash table.
4020 (add_referenced_tmp_var): Remove.
4021 (find_new_referenced_vars_1): Use add_referenced_var.
4022 * tree-ssa-pre.c (create_expression_by_pieces,
4023 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4024 Use add_referenced_var.
4025 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4026 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4027 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4029 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4030 vect_create_data_ref_ptr, vect_create_destination_var,
4031 vect_init_vector, vect_build_loop_niters,
4032 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4033 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4034 Use add_referenced_var.
4035 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4036 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4037 (add_referenced_var): Add prototype.
4038 * tree-ssa-structalias.c (get_constraint_for,
4039 intra_create_variable_infos): Use add_referenced_var.
4041 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4043 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4044 big-endian paradoxical subregs.
4045 * var-tracking.c (struct micro_operation_def): Document that,
4046 for modify micro operations, insn is the subsequent instruction.
4047 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4048 (var_reg_set, var_mem_set): ... new functions.
4049 (add_stores): Record subsequent insn.
4050 (compute_bb_dataflow): Use new functions for MO_USE.
4051 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4052 notes after the insn, and modify notes before the insn known
4053 to be the subsequent one.
4054 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4056 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4059 * config/i386/i386.c (ix86_expand_builtin): Use
4060 gen_sse3_monitor64 for TARGET_64BIT.
4062 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4064 PR rtl-optimization/26375
4065 PR rtl-optimization/26855
4066 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4068 (df_ru_bb_local_compute): Reversed statements and removed bogus
4069 comment explaining why they should be in wrong order.
4070 (df_ru_dump, df_rd_dump): Enhanced debug info.
4071 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4073 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4074 reaching uses and fixed space problem.
4076 2006-05-23 Jan Hubicka <jh@suse.cz>
4078 * cgraphunit.c (decide_is_function_needed): Also nested functions
4079 and functions declared inline can be optimized out at -O0.
4081 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4083 * doc/install.texi (Configuration): Remove reference to CrossGCC
4087 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4090 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4091 ix86_compare_emitted is non-NULL.
4093 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4096 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4099 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4101 PR rtl-optimization/25514
4102 * combine.c (replaced_rhs_insn): New variable.
4103 (combine_instructions): Set replaced_rhs_insn when trying to replace
4104 a SET_SRC with a REG_EQUAL note.
4105 (distribute_notes): Use replaced_rhs_insn when determining the live
4106 range of a REG_DEAD register.
4108 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4109 Anatoly Sokolov <aesok@post.ru>
4111 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4112 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4113 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4114 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4115 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4116 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4117 at90usb647, at90usb1286 and at90usb1287 devices.
4118 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4119 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4121 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4123 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4125 2006-05-22 Richard Guenther <rguenther@suse.de>
4128 2006-01-31 Richard Guenther <rguenther@suse.de>
4129 Paolo Bonzini <bonzini@gnu.org>
4131 * doc/install.texi (--disable-libgcc-math): Document.
4133 2006-05-22 Richard Guenther <rguenther@suse.de>
4136 2006-01-31 Richard Guenther <rguenther@suse.de>
4138 * doc/invoke.texi (-msselibm): Document.
4139 * target.h (expand_library_builtin): New target hook.
4140 * builtins.c (expand_builtin): Use expand_library_builtin.
4141 (default_expand_library_builtin): New function.
4142 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4143 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4144 (link_gcc_math_spec): Declare.
4145 (static_specs): Add link_gcc_math_spec.
4146 * expr.h (default_expand_library_builtin): Declare.
4147 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4148 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4149 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4150 * config/i386/i386.opt (msselibm): New target option.
4151 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4152 (ix86_init_sse_abi_builtins): New function.
4153 (ix86_expand_library_builtin): Likewise.
4154 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4155 (override_options): Handle error conditions wrt -msselibm.
4156 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4157 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4158 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4161 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4164 * c-common.c (self_promoting_args_p): Skip erroneous args.
4167 * c-decl.c (finish_struct): Skip erroneous fields.
4169 2006-05-22 Nick Clifton <nickc@redhat.com>
4171 * config/cris/cris.opt (march): Remove VarExists attribute.
4172 (max-stackframe=): Likewise.
4174 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4176 * doc/rtl.texi: Fix a typo.
4177 * see.c: Fix comment typos.
4179 * tree-ssa-structalias.h (alias_info): Remove num_references.
4181 2006-05-21 Mike Stump <mrs@apple.com>
4183 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4185 (darwin_pragma_options): Use BAD instead.
4186 (darwin_pragma_unused): Likewise.
4187 (darwin_pragma_ms_struct): Likewise.
4189 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4191 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4193 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4195 PR rtl-optimization/27671
4196 * simplify-rtx.c (simplify_relational_operation_1): Fix
4197 simplifications of (eq/ne (xor x y) y) and
4198 (eq/ne (xor x y) x).
4200 PR tree-optimization/26622.
4201 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4204 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4206 * tree-cfg.c: Prune whitespace.
4207 (debug_tree_cfg): Point to correct header containing the
4210 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4213 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4215 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4218 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4219 or sorry count is non zero.
4221 2006-05-20 Andreas Schwab <schwab@suse.de>
4223 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4225 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4226 Kenneth Zadeck <zadeck@naturalbridge.com>
4228 PR rtl-optimization/26855
4230 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4232 (df_scan_alloc): Added code to properly handle multiword hard
4233 registers and add all_blocks parameter.
4234 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4235 code to properly handle multiword hard registers.
4236 (df_rescan_blocks): Added code to remove deleted blocks from
4238 (df_ref_create_structure, df_ref_record): Added code to properly
4240 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4241 and set DF_REF_PARTIAL.
4242 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4243 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4244 (df_scan_add_problem): Added flags parameter.
4245 (df_ref_create_structure): Changed switching structure.
4246 (df_bb_refs_record): Fixed case where duplicate artificial refs
4247 were created. Changed location of flags.
4248 (df_record_entry_block_defs): Added code to make stack pointer
4249 live in entry block. Refined cases where frame pointer is needed.
4250 Changed location of flags.
4251 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4252 (df_set_state): Removed function.
4253 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4254 df_insn_create_insn_record, df_insn_refs_delete,
4255 df_ref_create_structure): Formatting changes.
4256 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4257 df_delete_basic_block): New function.
4258 (df_init): Changed location of flags.
4259 (df_add_problem): Added flags parameter and the way flags are
4261 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4262 debug_df_chain): Improved debugging output.
4263 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4264 (df_refs_chain_dump): Removed df parameter.
4265 (df_iterative_dataflow): Added consistency check.
4266 (df_prune_to_subcfg): Made public.
4267 (df_analyze_problem): Added blocks_to_init parameter and made
4269 (df_ref_record, df_bb_refs_record, df_mark_reg,
4270 df_record_exit_block_uses): Whitespace changes.
4271 (df_dump): Whitespace changes.
4272 * df.h: Some reordering to remove forward references.
4273 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4274 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4275 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4276 (dataflow.flags): New field.
4277 (df.flag): Deleted field.
4278 (df_alloc_function): Added additional bitmap parameter.
4279 (df_dependent_problem_function): New type.
4280 (df_problem.changeable_flags): New field.
4281 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4282 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4283 (df_mw_hardreg): New struct.
4284 (DF_INSN_UID_MWS): New macro.
4285 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4287 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4288 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4289 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4290 (df_set_state): Removed function.
4291 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4292 * df-problems.c (df_chain_dump): Removed df parameter.
4293 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4294 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4296 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4297 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4298 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4299 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4300 DF_REF_MUST_CLOBBER cases.
4301 (df_ru_bb_local_compute_process_def,
4302 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4303 df_lr_bb_local_compute, df_ur_bb_local_compute,
4304 df_chain_create_bb): Made subreg aware.
4305 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4306 df_lr_bb_local_compute, df_lr_bb_local_compute,
4307 df_chain_create_bb): Cleanup to use proper macros.
4308 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4309 code to fixup bitvectors.
4310 (df_ri_alloc): Cleared lifetime.
4311 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4312 df_create_unused_note): New function.
4313 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4314 REG_DEAD and REG_UNUSED notes as well as register information.
4315 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4316 df_chains_dump): Fixed crash if problem was never run.
4317 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4318 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4319 df_ri_add_problem): Processes flags in uniform manner.
4320 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4321 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4322 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4323 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4324 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4325 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4326 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4327 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4328 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4329 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4330 * see.c (see_initialize_data): Ditto.
4331 * final.c (rest_of_clean_state) Added regstack_completed.
4332 * rtl.h (regstack_completed): Ditto.
4333 * reg-stack.c (regstack_completed): Ditto.
4335 2006-05-19 Mike Stump <mrs@apple.com>
4337 * c-tree.h (default_conversion): Remove.
4338 * c-common.h (default_conversion): Add.
4340 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4342 * tree-vrp.c (valid_value_p): New function.
4343 (adjust_range_with_scev): Fail if the value of bound is not
4346 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4348 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4349 (mips_fallback_frame_state): Use syscall numbers to determine
4350 the appropriate li instruction for the current ABI. Only use
4351 __NR_sigreturn for o32.
4353 2006-05-19 Nicolas Setton <setton@adacore.com>
4355 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4356 * langhooks.c (lhd_dwarf_name): New function.
4357 * langhooks-def.h (lhd_dwarf_name): Declare.
4358 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4359 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4360 * ada/misc.c (gnat_dwarf_name): New function.
4361 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4363 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4365 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4367 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4368 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4369 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4370 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4371 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4372 determine the size of Wtype, etc.
4373 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4374 (swfloatfuncs): New variable.
4375 (dwfloatfuncs): Likewise.
4376 (lib2funcs): Remove floating-point conversion functions from
4377 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4378 the set of conversion routines needed. Allow entries to specify
4379 an object name, filename and word size. Update users accordingly.
4380 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4381 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4385 2006-02-08 Roger Sayle <roger@eyesopen.com>
4388 * config/fixtfdi.c: New libgcc source file.
4389 * config/fixunstfdi.c: New source file.
4390 * config/floatditf.c: New source file.
4391 * config/floatunditf.c: New souce file.
4392 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4393 files above instead of config/mips/_tilib.c.
4394 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4396 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4398 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4399 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4401 2006-05-18 Mike Stump <mrs@apple.com>
4403 Fix up vla, vm and [*] sematics.
4409 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4410 (c_vla_unspec_p): Add.
4411 (c_vla_type_p): Add.
4412 * c-decl.c (struct c_scope): Add had_vla_unspec.
4413 (build_array_declarator): Add support for [*].
4414 (grokdeclarator): Likewise.
4415 (grokparms): Likewise.
4416 (get_parm_info): Likewise.
4417 * c-objc-common.c (c_vla_unspec_p): Likewise.
4418 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4419 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4420 typeof when argument is a variably modified type not inside sizeof or alignof.
4421 (c_parser_direct_declarator_inner): Propagate errors.
4422 (c_parser_sizeof_expression): Add support for [*].
4423 (c_parser_parms_declarator): Initialize had_vla_unspec.
4424 (c_parser_parms_list_declarator): Likewise.
4425 * c-typeck.c (c_vla_type_p): Add.
4426 (composite_type): Add support for vla compositing.
4427 (comptypes_internal): Add support for vla compatibility.
4428 (c_expr_sizeof_expr): Evaluate vla arguments.
4429 * tree.c (variably_modified_type_p): Update comment for [*].
4431 2006-05-18 Michael Matz <matz@suse.de>
4434 * config.host: Make assignments to host_xmake_file cumulative.
4435 * config.host (*-darwin*): Test $host, not $target.
4437 2006-05-12 Stuart Hastings <stuart@apple.com>
4439 * config/i386/i386.opt (-mstackrealign): New flag.
4440 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4441 (ix86_handle_cconv_attribute): Emit error when
4442 force_align_arg_pointer attribute collides with too many regparms.
4443 (ix86_function_regparm): Limit regparms when used with
4444 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4445 Support stack-realigning prologue in non-main functions. Emit
4446 warning for nested functions under -mstackrealign, emit error for
4447 nested functions with force_align_arg_pointer attribute.
4448 * doc/extend.texi (force_align_arg_pointer): Document it.
4449 * doc/invoke.texi (-mstackrealign): Document it.
4451 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4453 PR rtl-optimization/27477
4454 * combine.c (try_combine): Don't split a parallel consisting
4455 of two sets into two individual sets if both sets reference
4458 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4460 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4461 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4463 * doc/options.texi (VarExists): Updated.
4465 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4467 * unwind-dw2.c: Add declarations for uw_update_context and
4469 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4470 detected, advance frame state and context once to skip over stub.
4472 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4476 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4477 Call rewrite_into_loop_closed_ssa only when something changed.
4478 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4479 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4480 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4481 Test for perfect_nest_p here. Fix formating.
4482 (replace_uses_equiv_to_x_with_y): Fix formating.
4483 (stmt_uses_op): Removed.
4484 (can_convert_to_perfect_nest): Removed loopivs parameter.
4485 Complete the test by checking the scalar dependences.
4486 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4489 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4492 From Dan Kegel <dank@kegel.com>:
4493 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4495 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4497 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4498 if the element type is variably modified without recursing.
4500 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4503 * tree-loop-linear.c (try_interchange_loops): Test for
4504 no data dependences.
4506 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4508 PR tree-optimization/27548
4509 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4510 range of ssa names that appear on abnormal edges.
4511 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4512 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4514 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4517 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4519 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4522 * tree.h (OMP_PARALLEL_COMBINED): Define.
4523 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4524 (new_omp_context): Add is_combined_parallel argument.
4525 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4526 new_omp_context caller.
4527 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4528 Adjust gimplify_scan_omp_clauses callers.
4529 (omp_is_private): Issue errors if iteration variable is firstprivate
4530 or reduction in the current context.
4531 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4532 on combined parallel workshare constructs.
4534 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4536 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4537 (gcc-options.o): New rule.
4539 * optc-gen.awk: Protect variables for gcc-options.o with
4540 #ifdef GCC_DRIVER/#endif.
4542 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4544 Fix PR tree-optimization/27373
4545 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4546 (forward_propagate_addr_expr): Update call.
4548 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4550 * doc/options.texi: Move the Negative option.
4552 2006-05-16 Richard Guenther <rguenther@suse.de>
4554 PR tree-optimization/22303
4555 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4557 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4558 ccp_fold did not simplify the statement.
4560 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4563 * Makefile.in (GCC_OBJS): New.
4564 (OBJS-common): Add opts-common.o.
4565 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4566 (cpp$(exeext)): Likewise.
4567 (gcc.o): Also depend on opts.h.
4568 (opts-common.o): New.
4570 * common.opt (gcoff): Add Negative(gdwarf-2).
4571 (gdwarf-2): Add Negative(gstabs).
4572 (gstabs): Add Negative(gstabs+).
4573 (gstabs+): Add Negative(gvms).
4574 (gvms): Add Negative(gxcoff).
4575 (gxcoff): Add Negative(gxcoff+).
4576 (gxcoff+): Add Negative(gcoff).
4577 * config/i386/i386.opt (m32): Add Negative(m64).
4578 (m64): Add Negative(m32).
4580 * doc/options.texi: Document the Negative option.
4582 * gcc.c: Include "opts.h".
4583 (main): Call prune_options after expandargv.
4585 * optc-gen.awk: Generate common declarations for all flag
4586 variables in options.c. Output the neg_index field.
4588 * opts.c (find_opt): Moved to ...
4589 * opts-common.c: Here. New file.
4591 * opts.h (cl_option): Add a neg_index field.
4593 (prune_options): Likewise.
4595 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4598 * omp-low.c (expand_omp_parallel): Don't assert
4599 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4600 instead search for it.
4603 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4606 2006-05-16 Andreas Schwab <schwab@suse.de>
4608 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4611 2006-05-15 Roger Sayle <roger@eyesopen.com>
4614 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4615 integer constants other than zero are only legitimate on TARGET_64BIT.
4616 <CONST_VECTOR> Only zero vectors are legitimate.
4617 (ix86_cannot_force_const_mem): Integral and vector constants can
4618 always be put in the constant pool.
4620 2006-05-16 DJ Delorie <dj@redhat.com>
4622 * crtstuff.c (__dso_handle): Set section from
4623 TARGET_LBIGCC_SDATA_SECTION if defined.
4624 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4625 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4627 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4630 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4633 2006-05-16 Ben Elliston <bje@au.ibm.com>
4635 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4637 2006-05-15 Per Bothner <per@bothner.com>
4639 * tree.c: (last_annotated_node): Use source_locus typedef.
4640 This permits bootstrapping with --enable-mapped-location.
4642 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4644 PR tree-optimization/26830
4645 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4646 (info_for_ssa_name, current_info_for_ssa_name_age,
4647 blocks_to_update): New variables.
4648 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4649 (clear_ssa_name_info, initialize_flags_in_bb,
4650 mark_block_for_update): New functions.
4651 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4652 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4653 prepare_def_site_for): Use mark_block_for_update.
4654 (mark_def_interesting): Assert that the processed block is marked in
4655 blocks_to_update. Do not take blocks argument.
4656 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4658 (rewrite_update_init_block, rewrite_update_stmt): Only process
4659 blocks with statements to rewrite.
4660 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4661 (update_ssa): Initialize and free blocks_to_update. Do not
4662 clear flags on statements. Do not use blocks bitmap.
4663 * tree.h (SSA_NAME_AUX): Removed.
4664 (struct tree_ssa_name): Removed aux field.
4665 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4667 2006-05-15 Richard Guenther <rguenther@suse.de>
4669 PR tree-optimization/27603
4670 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4671 Do computations in original type.
4673 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4675 * see.c: Code style changes such as redundant paranthesis,
4676 redundant intialization of local variables etc.
4677 (see_main): Declared now as static.
4678 * doc/invoke.texi: Update that -fsee is not enabled by
4681 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4683 * omp-low.c (check_omp_nesting_restrictions): New function.
4684 (scan_omp_1): Call it.
4687 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4688 construct, return *VAR.
4690 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4692 PR rtl-optimization/27406
4693 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4696 2006-05-14 Roger Sayle <roger@eyesopen.com>
4698 PR rtl-optimization/27538
4699 * combine.c (expand_compound_operation): Call gen_lowpart
4700 before calling simplify_shift_const.
4702 2006-05-14 Roger Sayle <roger@eyesopen.com>
4704 PR rtl-optimization/22563
4705 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4706 a fixed width bitfield, always force the intermediates into psuedos.
4708 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4711 * mkconfig.sh: Use operator = instead of == for test.
4713 2006-05-13 Nick Clifton <nickc@redhat.com>
4715 * dwarf2out.c (dbx_reg_number): Check return value from
4716 LEAF_REG_REMAP and only use it if it is valid.
4717 (multiple_reg_loc_descriptor): Likewise.
4719 2006-05-13 Richard Guenther <rguenther@suse.de>
4721 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4724 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4726 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4727 information attached to non-INSNs such as NOTEs.
4728 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4730 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4732 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4734 * config/s390/s390.md: Adjust comment describing On constraint.
4736 2006-05-11 Jan Hubicka <jh@suse.cz>
4738 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4739 to be output at -O0.
4741 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4744 * fold-const.c (size_binop): Move sanity check for arguments to
4745 the beginning of the function.
4748 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4751 2006-05-11 Richard Guenther <rguenther@suse.de>
4754 * fold-const.c (fold_unary): Handle intermediate conversion
4755 to a pointer type like intermediate conversion to an integer
4756 type in folding of (T1)(T2)var to var.
4757 Match the code to the comment in the final conversion for
4758 (T1)(T2)var to (T1)var regarding to type precision. Rather
4759 than disallow T1 being of pointer type, assert that both T1
4760 and var are of pointer type or not. Make sure not to fall
4761 over the frontends lazyness wrt array to pointer decay though.
4763 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4765 * arm.c (arm_struct_value_rtx): Delete.
4766 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4767 (arm_init_cumulative_args): Always initialize nregs to zero.
4769 2006-05-10 Richard Guenther <rguenther@suse.de>
4771 PR tree-optimization/27532
4772 * tree-object-size.c (plus_expr_object_size): Fix typo.
4774 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4777 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4778 ashrdi_const, ashrdi3): Use a scratch register.
4780 2006-05-10 Richard Guenther <rguenther@suse.de>
4782 PR tree-optimization/27302
4783 * fold-const.c (operand_equal_p): For two comparisons,
4784 try comparison of one comparison code swapped if that yields
4787 2006-05-10 Ben Elliston <bje@au.ibm.com>
4789 * tree-pretty-print.c (pretty_print_string): No need to handle
4790 '\0' as a special character.
4792 * tree.h: Include "hashtab.h".
4793 (iterative_hash_expr): Use hashval_t in its prototype.
4794 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4796 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4799 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4800 (hppa*64*-*-hpux11*): Ditto.
4801 (hppa[12]*-*-hpux11*): Ditto.
4803 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4806 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4808 2006-05-09 Michael Matz <matz@suse.de>
4810 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4811 host_extra_gcc_objs and host_xmake_file.
4812 (<*-*-linux*>): Don't overwrite host_xmake_file.
4813 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4814 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4815 (host_detect_local_cpu): Declare.
4816 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4817 * config/i386/i386.c (override_options): Handle -mtune=native
4819 * config/i386/x-i386: New file.
4820 * config/i386/driver-i386.c: New file.
4821 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4824 2006-05-09 Dirk Mueller <dmueller@suse.de>
4825 Richard Guenther <rguenther@suse.de>
4828 * fold-const.c (fold_read_from_constant_string): Relax check
4829 for matching types to matching modes.
4831 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4833 PR rtl-optimization/27335
4834 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4837 2006-05-08 Chao-ying Fu <fu@mips.com>
4838 Richard Sandiford <richard@codesourcery.com>
4840 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4841 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4842 * config/mips/mips.md (UNSPEC_SCC): New constant.
4843 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4844 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4845 (mips_emit_compare): Use it.
4846 (mips_expand_vcondv2sf): New function.
4848 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4850 Fix PR tree-optimization/27093
4851 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4852 renaming when they become not-used_alone.
4854 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4856 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4857 relocation and relocation stubs.
4859 2006-05-08 Eric Christopher <echristo@apple.com>
4861 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4864 2006-05-08 Jan Hubicka <jh@suse.cz>
4867 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4868 unused static functions are needed.
4870 2006-05-08 Roger Sayle <roger@eyesopen.com>
4873 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4874 of a reg_equiv_constant if the result is a legitimate constant.
4876 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4879 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4880 standard 80387 constants, raise the cost to prevent
4881 compress_float_constant() to generate load from memory.
4883 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4885 * config/arm/constraints.md (c): Fix a typo.
4887 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4890 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4893 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4895 (_mm_mwait): Likewise.
4897 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4899 (sse3_monitor): Make it 32bit only.
4900 (sse3_monitor64): New. 64bit monitor.
4902 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4905 * config/i386/i386.c (classify_argument): Skip fields with invalid
4908 2006-05-07 Richard Guenther <rguenther@suse.de>
4910 PR tree-optimization/27409
4911 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4912 Do not try to find zero-sized subvars.
4914 2006-05-07 Richard Guenther <rguenther@suse.de>
4916 PR tree-optimization/27136
4917 * tree-ssa-loop-niter.c (get_val_for): Correct function
4918 comment, assert requirements.
4919 (loop_niter_by_eval): Stop processing if the iterated
4920 value did not simplify.
4922 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4924 * opts.c (flag_see): remove its setting at -O3.
4926 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4928 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4929 * arm/constraints.md: New file.
4930 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4931 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4932 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4933 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4934 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4935 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4936 * arm.md: Include constraints.md.
4937 (thumb_movsi_insn): Use satisfies_constraint_J.
4938 (movhi, movqi): Use satisfies_constraint_I.
4940 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4942 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4943 for atmeg a645 device.
4945 2006-05-06 Richard Guenther <rguenther@suse.de>
4947 PR tree-optimization/27151
4948 * tree-vect-transform.c (vectorizable_condition): Punt on
4949 values that have a different type than the condition.
4951 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4954 * c-parser.c (c_parser_cast_expression): Only insert casts into
4955 hash table if pointer.
4956 * function.c (used_types_insert_helper): Rename from
4958 (used_types_insert): Call used_types_insert_helper.
4959 * function.h (used_types_insert): Accept only one argument.
4961 2006-05-05 David Edelsohn <edesohn@gnu.org>
4963 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4964 scratch with output modifier.
4966 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4969 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4970 with output modifier.
4972 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4975 * config/mips/mips.c (mips_symbolic_address_p): Return true
4976 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4977 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4979 2006-05-04 Richard Guenther <rguenther@suse.de>
4981 PR tree-optimization/14287
4982 PR tree-optimization/14844
4983 PR tree-optimization/19792
4984 PR tree-optimization/21608
4985 PR tree-optimization/27090
4986 * tree-ssa-pre.c (try_combine_conversion): New function.
4987 (compute_avail): After constructing the value-handle
4988 expression, use try_combine_conversion to combine NOP_EXPRs
4989 with previous value-handle expressions and use the result if it
4992 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
4994 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
4996 2006-05-04 Jan Hubicka <jh@suse.cz>
4999 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5001 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5003 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5004 that this only matches CONST_INTs. All users changed to VOIDmode
5007 * config/bfin/bfin.c: Include "optabs.h".
5008 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5010 (enum bfin_builtins): Add a number of fractional and vector builtins.
5011 (bfin_init_builtins): Likewise.
5012 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5013 (safe_vector_operand, bfin_expand_binop_builtin,
5014 bfin_expand_unop_builtin): New functions.
5015 (bfin_expand_builtin): Handle the new builtins.
5016 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5019 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5022 * Makefile.in (OBJS-common): Add see.o.
5023 (see.o): Add dependencies.
5024 * common.opt (fsee): New flag for the see optimization was added.
5025 * opts.c (flag_see): Initialized.
5026 * passes.c (init_optimization_passes, pass_see): New pass.
5027 * rtl.h (see_main): Declaration as extern.
5028 * timevar.def (TV_SEE): New.
5029 * tree-pass.h (pass_see): Declaration as extern.
5030 * invoke.texi (-fsee): Document.
5031 * recog.c (validate_simplify_insn): New function.
5032 * recog.h (validate_simplify_insn): Declaration as extern.
5033 * df-problems.c (df_chain_dump): Check for NULL.
5035 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5036 Daniel Berlin <dberlin@dberlin.org>
5038 * cfgrtl.c (insert_insn_bb_end_new): New function.
5039 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5041 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5043 * df.h (struct web_entry): Moved from web.c.
5044 (union_defs): Declaration as extern.
5045 (unionfind_root): Likewise.
5046 (unionfind_union): Likewise.
5047 * web.c (struct web_entry): Moved to df.h.
5048 (unionfind_root): Remove static declaration.
5049 (unionfind_union): Likewise.
5050 (union_defs): Likewise and generalize to use callback function.
5051 (web_main): Update arguments for union_defs function call.
5053 2006-05-04 Richard Guenther <rguenther@suse.de>
5055 PR tree-optimization/26447
5056 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5057 produce SSA_NAME copies before the store stmt to avoid
5058 breaking exception handling.
5060 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5063 * gimplify.c (omp_is_private): If var is shared in some outer context,
5064 return false instead of true. Stop searching on parallel context
5067 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5070 * coverage.c: Use get_gcov_unsigned_t() instead of
5071 unsigned_type_node all over.
5073 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5075 PR tree-optimization/27381
5076 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5077 maintain the same immediate_use links.
5078 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5079 node rather than segfaulting.
5081 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5084 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5085 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5086 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5088 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5090 Fix PR tree-optimization/26626
5091 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5093 * tree-ssa-operands.c (access_can_touch_variable): Allow
5094 typecasting through union pointers.
5096 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5099 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5100 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5101 to find if var will be a global variable even in the nested context.
5102 (omp_copy_decl): Only check for global variable at the end, it might
5103 be overridden in outer contexts.
5104 (scan_sharing_clauses): For global variables don't create a field.
5105 (lower_rec_input_clauses): Do nothing for global shared variables.
5106 Emit a barrier at the end of ILIST if there were any decls in both
5107 firstprivate and lastprivate clauses.
5108 (lower_send_clauses): Do nothing for global variables except for
5111 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5113 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5114 of the correct signedness is returned.
5116 2006-05-02 Jeff Law <law@redhat.com>
5118 PR tree-optimization/27364
5119 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5120 multiply expressions.
5122 2006-05-02 Tom Tromey <tromey@redhat.com>
5124 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5126 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5129 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5130 -mthumb -fPIC are used.
5132 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5133 Joshua Kinard <kumba@gentoo.org>
5136 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5137 with 64-bit pointers.
5139 2006-05-02 Paul Brook <paul@codesourcery.com>
5141 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5143 (create_fix_barrier): Check that a suitable barrier location is
5145 (arm_reorg): Include ftmp->address in allowable range of addresses.
5147 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5150 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5153 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5156 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5157 around RESULT_DECL for result passed by reference.
5158 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5159 * omp-low.c (use_pointer_for_field): Don't look at
5160 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5161 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5162 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5163 time or var for passing by reference for
5164 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5165 TREE_ADDRESSABLE variables when passing by reference.
5167 * omp-low.c (dump_omp_region): Fix output formatting.
5170 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5171 (expand_omp_parallel): Likewise.
5172 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5175 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5176 on statement list containing also constructors and destructors.
5177 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5180 * except.c (duplicate_eh_regions): Fix clearing of
5181 cfun->eh->region_array entries.
5183 2006-05-01 DJ Delorie <dj@redhat.com>
5185 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5187 (gcc_cv_objdump): Likewise.
5188 * configure: Regenerated.
5190 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5193 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5194 templates for case 3 and 4.
5196 2006-05-01 DJ Delorie <dj@redhat.com>
5198 * vec.c: Include bconfig.h when appropriate.
5199 * Makefile.in (build/vec.o): Adjust dependencies.
5200 * mkconfig.sh: Make sure config.h isn't used for build machine
5203 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5205 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5207 (mark_phi_for_rewrite): New function.
5208 (insert_phi_nodes_for, mark_use_interesting): Call
5209 mark_phi_for_rewrite.
5210 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5211 (update_ssa): Initialize and free phis_to_rewrite.
5213 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5215 PR rtl-optimization/27291
5216 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5217 folded to a constant.
5219 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5221 PR tree-optimization/27283
5222 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5223 not whole # of iteration descriptions.
5224 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5225 uses abnormal ssa name.
5226 (niter_for_single_dom_exit): Ditto.
5227 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5228 return just the number of iterations.
5230 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5232 PR tree-optimization/27144
5233 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5234 (record_estimate): Only record constant upper bound.
5235 (infer_loop_bounds_from_undefined): Call
5236 compute_estimated_nb_iterations just once.
5237 (proved_non_wrapping_p): Renamed to ...
5238 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5239 (convert_step_widening, scev_probably_wraps_p): Call
5240 n_of_executions_at_most instead of proved_non_wrapping_p.
5241 (substitute_in_loop_info): Do not replace values in bounds.
5242 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5245 2006-05-01 Richard Henderson <rth@redhat.com>
5248 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5249 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5252 2006-05-01 Roger Sayle <roger@eyesopen.com>
5254 * c-typeck.c (parser_build_binary_op): Don't call the function
5255 unsigned_conversion_warning to spot operand/result type overflow.
5256 (build_binary_op): Instead, call convert_and_check instead of
5257 convert to report the problem when the operands are promoted.
5258 * c-common.c (unsigned_conversion_warning): Make static.
5259 * c-common.h (unsigned_conversion_warning): Delete prototype.
5261 2006-05-01 Richard Guenther <rguenther@suse.de>
5263 PR tree-optimization/26726
5264 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5266 (find_interesting_uses_address): ... we work around here
5267 by folding INDIRECT_REFs in the substituted base.
5269 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5271 * omp-low.c (dump_omp_region): Add newlines.
5273 2006-04-30 Roger Sayle <roger@eyesopen.com>
5275 * common.opt (Woverflow): New command line option.
5276 * c-common.c (constant_expression_warning): Check warn_overflow.
5277 (overflow_waring): Pass OPT_Woverflow to warning.
5278 (unsigned_conversion_warning): Likewise.
5279 (convert_and_check): Likewise.
5280 * doc/invoke.texi: Document new command line option.
5282 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5284 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5285 TARGET_NO_FP_IN_TOC for section anchors.
5286 (optimization_options): Enable section anchors for all
5287 non-"Objective" languages.
5289 2006-04-28 Eric Christopher <echristo@apple.com>
5291 * config/darwin-c.c (darwin_ms_struct): Move this
5292 (darwin_set_default_type_attributes): and this...
5293 * config/darwin.c: ... here.
5294 * config/darwin.h (darwin_ms_struct): Declare.
5296 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5298 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5300 2006-04-28 Roger Sayle <roger@eyesopen.com>
5303 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5304 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5305 an unsigned HOST_WIDE_INT.
5306 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5308 (really_start_incremental_init): No need to call convert because
5309 bitsize_zero_node is already of type bitsizetype.
5310 (push_init_level): Extract the value of constructor_index as an
5311 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5312 (process_init_element): Likewise.
5314 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5316 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5317 value before passing to make_relative_prefix.
5319 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5322 * builtins.c (expand_builtin_memset): Expand val in original mode.
5324 2006-04-27 Eric Christopher <echristo@apple.com>
5326 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5327 with #ifndef/#endif.
5328 * config/darwin-c.c (darwin_ms_struct): New.
5329 (darwin_pragma_ms_struct): Ditto.
5330 (darwin_set_default_type_attributes): Ditto.
5331 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5332 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5333 Register ms_struct pragma.
5334 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5335 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5336 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5337 darwin_set_default_type_attributes if TARGET_MACHO.
5339 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5341 PR tree-optimization/26854
5342 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5343 * doc/tree-ssa.texi: Update immuse iterator documentation.
5344 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5345 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5346 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5347 first_safe_imm_use, next_safe_imm_use): Remove.
5348 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5349 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5350 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5351 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5352 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5353 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5354 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5355 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5356 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5357 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5358 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5359 (perfect_nestify): Use new iterator.
5360 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5362 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5363 (next_imm_name): New field in struct immediate_use_iterator_d.
5364 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5365 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5366 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5367 * tree-cfg.c (replace_uses_by): Use new iterator.
5368 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5369 * tree-ssa-operands.c (correct_use_link): Remove.
5370 (finalize_ssa_use_ops): No longer call correct_use_link.
5372 2006-04-27 Stuart Hastings <stuart@apple.com>
5374 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5375 * config/t-darwin (crt3.o): Use it.
5376 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5377 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5378 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5379 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5380 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5383 2006-04-27 Roger Sayle <roger@eyesopen.com>
5385 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5386 size, force the intermediate into a new pseudo rather instead of
5387 performing both a bitwise AND and a bitwise IOR in memory.
5389 2006-04-27 Richard Guenther <rguenther@suse.de>
5391 PR rtl-optimization/26685
5392 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5393 this one "max-flow-memory-locations".
5395 2006-04-27 Richard Guenther <rguenther@suse.de>
5397 PR tree-optimization/25148
5398 * tree-vrp.c (compare_values): Remove code dealing with
5399 comparisons against type min/max value. Honour overflow
5400 and negative constants in code dealing with comparisons
5401 of plus and minus expressions.
5402 (value_inside_range): Use fold_binary with LE_EXPR and
5403 GE_EXPR rather than compare_values.
5405 2006-04-27 Dirk Mueller <dmueller@suse.de>
5407 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5410 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5412 * basic-block.h (safe_insert_insn_on_edge): Removed.
5413 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5415 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5416 Paolo Bonzini <bonzini@gnu.org>
5419 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5420 (simplify_and_const_int): Same.
5422 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5424 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5426 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5429 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5430 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5431 cgraph_global_info_ready.
5434 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5437 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5438 either decl or init is error_mark_node.
5441 * tree-flow.h (struct omp_region): Add sched_kind.
5442 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5443 instead of extracting omp for data.
5444 (expand_omp_for): Save extracted sched_kind.
5446 2006-04-25 Roger Sayle <roger@eyesopen.com>
5448 * expmed.c (store_bit_field): Also check whether the bitsize is
5449 valid for the machine's "insv" instruction before moving the
5450 target into a pseudo for use with the insv.
5451 * config/i386/predicates.md (const8_operand): New predicate.
5452 * config/i386/i386.md (extv, extzv, insv): Use the new
5453 const8_operand predicate where appropriate.
5455 2006-04-25 DJ Delorie <dj@redhat.com>
5457 * doc/install.texi (Specific): Clarify that this is not a list of
5458 supported hosts or targets.
5460 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5462 PR rtl-optimization/26725
5463 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5464 block's BB_DIRTY flag.
5466 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5468 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5471 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5472 to print an integer.
5474 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5476 * varasm.c (align_variable): New function.
5477 (get_block_for_decl): Apply align_variable to DECL before
5478 calculating section information.
5479 (assemble_variable): Split out alignment computation.
5481 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5483 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5486 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5488 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5489 MODE_PARTIAL_INT mode.
5490 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5491 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5493 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5494 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5496 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5498 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5500 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5501 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5502 MACFLAG_IH): Likewise.
5503 (movstricthi_1): Renamed from "*movstricthi".
5504 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5505 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5506 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5507 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5508 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5509 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5510 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5511 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5512 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5513 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5514 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5515 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5516 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5517 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5518 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5520 * doc/rtl.texi (ss_ashift): Improve wording.
5522 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5524 * dwarf2out.c (verify_marks_clear): New.
5525 (prune_unused_types): Call verify_marks_clear initially, not
5528 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5530 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5531 * doc/rtl.texi: Document them.
5532 * simplify-rtx.c (simplify_unary_operation,
5533 simplify_binary_operation_1): Don't abort when we see them.
5535 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5538 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5539 * configure.ac: Completely disregard languages that are not
5541 * configure: Regenerated.
5543 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5544 Richard Guenther <rguenther@suse.de>
5546 PR tree-optimization/27236
5547 * tree-inline.c (copy_body_r): Make sure to copy
5548 TREE_THIS_VOLATILE flag.
5550 2006-04-24 Richard Guenther <rguenther@suse.de>
5553 * tree-complex.c (update_parameter_components): Don't handle
5554 unused parameters which have no default def.
5556 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5557 Richard Guenther <rguenther@suse.de>
5559 PR tree-optimization/27218
5560 * tree-inline.c (expand_call_inline): Strip useless type
5561 conversions for the return slot address.
5563 2006-04-24 Richard Guenther <rguenther@suse.de>
5565 * cfgloop.h (struct loops): Remove unused field array. Reorder
5567 (LOOP_PREFETCH): Remove.
5569 2006-04-24 Richard Guenther <rguenther@suse.de>
5571 PR tree-optimization/22525
5572 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5573 variable, adjust types of generated expressions.
5575 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5577 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5578 (tree-vect-patterns.o): Likewise.
5580 (cselib.o): Likewise.
5581 (loop-doloop.o): Likewise.
5582 (regclass.o): Likewise.
5583 (reload1.o): Likewise.
5584 (explow.o): Replace target.h with $(TARGET_H).
5585 (ipa-prop.o): Likewise.
5586 (ipa-cp.o): Likewise.
5587 (ipa-inline.o): Likewise.
5588 (reorg.o): Likewise.
5589 (reg-stack.o): Likewise.
5591 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5593 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5595 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5597 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5599 * configure.ac: Completely disregard languages that are not
5601 * configure: Regenerated.
5604 * c-common.h (c_build_bitfield_integer_type): Declare.
5605 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5606 * c-common.c (c_build_bitfield_integer_type): ... here.
5608 2006-04-23 Roger Sayle <roger@eyesopen.com>
5611 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5612 a SImode SUBREG of a floating point register after no_new_pseudos.
5614 2006-04-23 Roger Sayle <roger@eyesopen.com>
5616 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5617 identify potentially eliminable registers to additionally catch
5618 VIRTUAL_INCOMING_ARGS_REGNUM.
5619 (addsi3): Update the conditions on when to use addsi_small_int.
5621 2006-04-23 Roger Sayle <roger@eyesopen.com>
5624 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5625 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5626 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5628 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5630 * fold-const.c (range_predecessor): Use operand_equal_p
5631 as the predicate for equality.
5632 (range_successor): Likewise.
5634 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5637 * config/soft-fp/op-common.h: Fix a typo.
5639 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5642 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5643 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5645 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5647 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5649 * doc/tm.texi: Fix a typo.
5651 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5653 * dwarf2out.c (struct die_struct): Document that die_sib makes
5654 a circular linked list.
5655 (FOR_EACH_CHILD): New.
5656 (reverse_die_lists): Delete.
5657 (reverse_all_dies): Delete.
5658 (add_dwarf_attr): Correct documentation.
5659 (remove_child_with_prev): New.
5660 (remove_child_TAG): Update for change to die_struct, use
5661 remove_child_with_prev.
5662 (add_child_die): Update for change to die_struct.
5663 (splice_child_die): Use remove_child_with_prev and add_child_die.
5664 (print_die): Use FOR_EACH_CHILD.
5665 (die_checksum): Likewise.
5666 (assign_symbol_names): Likewise.
5667 (output_location_lists): Likewise.
5668 (build_abbrev_table): Likewise.
5669 (calc_die_sizes): Likewise.
5670 (mark_dies): Likewise.
5671 (unmark_dies): Likewise.
5672 (unmark_all_dies): Likewise.
5673 (output_die): Likewise.
5674 (prune_unused_types_mark): Likewise.
5675 (prune_unused_types_walk): Likewise.
5676 (same_die_p): Update for change to die_struct.
5677 (break_out_includes): Likewise.
5678 (prune_unused_types_prune): Likewise.
5679 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5680 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5682 (dwarf2out_finish): Don't call reverse_all_dies.
5684 2006-04-21 Eric Christopher <echristo@apple.com>
5686 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5687 in comments and function names.
5689 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5692 * c-typeck.c (digest_init): Robustify.
5694 * c-typeck.c (pop_init_level): Simplify.
5696 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5698 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5700 2006-04-21 Paul Brook <paul@codesourcery.com>
5702 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5703 hardware floating point.
5705 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5707 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5710 2006-04-21 Nick Clifton <nickc@redhat.com>
5712 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5715 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5718 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5719 C++ lang type in traceback table for Objective-C++.
5721 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5723 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5725 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5727 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5730 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5731 were errors. Remove check for erroneous objects.
5733 2006-04-20 Jeff Law <law@redhat.com>
5735 PR tree-optimization/26854
5736 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5737 checking for zero or one use.
5738 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5739 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5740 * tree-ssa-reassoc.c (negate_value): Similarly.
5741 (reassociate_bb): Similarly.
5743 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5745 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5746 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5747 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5749 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5751 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5752 fp regs if the last fp arg doesn't fit in regs.
5754 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5757 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5758 that the last insn has the REG_INC note.
5760 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5761 Nathan Sidwell <nathan@codesourcery.com>
5764 * stor-layout.c (update_alignment_for_field): Do not align
5766 (place_union_field): Place union field at the start of the union.
5767 (place_field): Move ERROR_MARK check later, and use the current
5768 allocation position to maintain monotonicity.
5770 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5772 * dominance.c: Include timevar.h.
5773 (calculate_dominance_info): Use TV_DOMINANCE.
5774 * timevar.def (TV_DOMINANCE): New timevar.
5775 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5777 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5779 PR rtl-optimization/14261
5780 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5781 move would be an INSV insn.
5782 (noce_process_if_block): Don't optimize if the destination is a
5783 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5785 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5787 * config/s390/s390.md: Add comments with the instructions emitted
5788 by an insn pattern if macros are used.
5790 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5792 PR rtl-optimization/26026
5793 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5794 is a known power of two shifted left a variable amount.
5796 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5798 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5799 to hash table twice when the debug_str section has SECTION_MERGE.
5801 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5803 * config/soft-fp: New directory. From glibc.
5804 * config/soft-fp/t-softfp: New.
5805 * config/soft-fp/README: New.
5806 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5807 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5808 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5809 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5810 * config.gcc: Use rs6000/t-fprules-fpbit or
5811 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5813 * config/rs6000/sfp-machine.h: New. Based on glibc.
5814 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5816 * config/rs6000/t-fprules: Remove fp-bit rules.
5817 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5818 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5819 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5820 (softfp_wrap_start, softfp_wrap_end): New.
5822 2006-04-18 DJ Delorie <dj@redhat.com>
5824 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5826 2006-04-18 Devang Patel <dpatel@apple.com>
5828 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5830 2006-04-18 Nick Clifton <nickc@redhat.com>
5832 * config/sh/t-symbian: Add rule to build sh-c.o
5833 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5834 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5835 (sh_symbian_encode_section_info): Likewise.
5837 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5839 * builtins.c (expand_builtin_strcmp): Cover label definition of
5840 do_libcall with HAVE_cmpstrnsi.
5842 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5844 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5846 * function.h (temp_slot_p): New.
5847 (function): Change the type of x_used_temp_slots to
5848 VEC(temp_slot_p,gc) *.
5850 2006-04-18 Nick Clifton <nickc@redhat.com>
5852 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5853 flag_strength_reduce.
5855 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5857 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5861 Partial revert of revision 112637
5862 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5863 Dale Johannesen <dalej@apple.com>
5866 * regclass.c (struct reg_pref): Update documentation.
5867 (regclass): Set prefclass to NO_REGS if memory is the best option.
5868 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5870 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5872 PR tree-optimization/26821
5873 * tree-ssa-math-opts.c (get_constant_one): New.
5874 (insert_reciprocals): Use it.
5876 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5878 * dwarf2out.c (free_AT): Delete.
5879 (remove_AT): Update string ref counts.
5880 (remove_child_TAG): Don't call free_die.
5882 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5883 or DW_TAG_GNU_EINCL.
5884 (prune_unused_types_walk_attribs): Reset string refcounts.
5885 (prune_unused_types_update_strings): New.
5886 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5887 call free_die. Do call prune_unused_types_update_strings.
5888 (prune_unused_types): Empty debug_str_hash.
5890 2006-04-17 Roger Sayle <roger@eyesopen.com>
5892 * expr.c (expand_assignment): Optimize away no-op moves where the
5893 source and destination are equal and have no side-effects.
5895 2006-04-17 Richard Guenther <rguenther@suse.de>
5898 * reload.c (push_reload): Guard calls to get_secondary_mem
5901 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5903 * alias.c (reg_base_value, old_reg_base_value): Change the
5904 type to VEC(rtx,gc) *.
5905 (REG_BASE_VALUE, find_base_value, record_set,
5906 init_alias_analysis): Use VEC instead of VARRAY.
5908 * alias.c (alias_sets): Change the type to
5909 VEC(alias_set_entry,gc) *.
5910 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5911 VEC instead of VARRAY.
5912 (last_alias_set): Remove.
5914 * cgraph.h (cgraph_edge_p): New.
5915 Update the prototype of cgraph_function_versioning.
5916 * cgraphunit.c (cgraph_copy_node_for_versioning,
5917 cgraph_function_versioning): Use VEC instead of VARRAY.
5918 * ipa-cp.c (ipcp_insert_stage): Likewise.
5920 2006-04-16 Roger Sayle <roger@eyesopen.com>
5923 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5924 "A op B" or "A op C", we may need to convert A to the type of B and C.
5926 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5928 * target.h (struct gcc_target): Add mode_rep_extended.
5929 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5930 (init_num_sign_bit_copies_in_rep): Initialize it using
5932 (truncate_to_mode): Use it.
5933 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5934 * targhooks.h (default_mode_rep_extended): Declare it.
5935 * targhooks.c (default_mode_rep_extended): Define it.
5936 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5937 default_mode_rep_extended.
5938 (TARGET_INITIALIZER): Include it.
5939 * doc/tm.texi (Misc): Document it.
5940 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5941 (mips_truncated_to_mode): New function.
5943 2006-04-16 Roger Sayle <roger@eyesopen.com>
5946 * expr.c (compress_float_constant): Copy the narrow constant into
5947 a new pseudo before extending it to its final width.
5949 2006-04-16 Roger Sayle <roger@eyesopen.com>
5950 Andrew Pinski <pinskia@gcc.gnu.org>
5951 Dale Johannesen <dalej@apple.com>
5954 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5955 special case code to implement V8HImode and V16QImode with SSE2.
5957 2006-04-15 Roger Sayle <roger@eyesopen.com>
5959 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5960 trees are constructed with a suitable tree type.
5962 2006-04-15 Roger Sayle <roger@eyesopen.com>
5964 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5965 (integer_onep): Likewise.
5966 (integer_all_onesp): Likewise.
5967 (integer_pow2p): Likewise.
5968 (integer_nonzerop): Likewise.
5969 (real_zerop): Likewise.
5970 (real_onep): Likewise.
5971 (real_twop): Likewise.
5972 (real_minus_onep): Likewise.
5973 (int_size_in_bytes): Likewise.
5974 (host_integerp): Likewise.
5976 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5978 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5979 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
5980 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
5982 * tree-ssa-structalias.h (alias_info): Remove num_references.
5984 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5986 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
5987 (output_bvb patterns): Likewise.
5988 * pa.c (output_bb): Use 'bb' insn for long branch case.
5989 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
5990 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
5991 1. Correct length operand for alternatives 1 and 2.
5992 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
5993 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
5995 2006-04-14 Roger Sayle <roger@eyesopen.com>
5997 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
5998 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
5999 were accidentally reverted by r112959.
6001 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6004 * except.h (eh_region_outermost): New prototype.
6005 * except.c (eh_region_outermost): New function.
6006 * tree-cfg.c (find_outermost_region_in_block): Use it.
6008 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6010 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6012 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6013 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6014 (init_reload, reload): Use VEC instead of VARRAY.
6015 * reload.h: Update the prototype for
6016 reg_equiv_memory_loc_varray.
6018 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6019 Eric Botcazou <ebotcazou@libertysurf.fr>
6021 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6024 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6027 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6028 to expand fallback builtin function call.
6030 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6033 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6034 and emit libcall here in case the builtin fails.
6035 (expand_builtin_strcmp): Always emit the libcall here on failure.
6037 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6039 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6040 * flow.c (reg_n_info): Change the type to
6041 VEC(reg_info_p,heap) *.
6042 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6044 * regs.h (reg_info_p): New.
6045 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6046 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6047 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6050 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6052 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6054 * params.h (MAX_SCHED_READY_INSNS): New macro.
6055 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6056 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6057 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6058 the ready list for 1 cycle during the first scheduling pass.
6059 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6061 2006-04-13 Richard Henderson <rth@redhat.com>
6064 * gimple-low.c (lower_omp_directive): Remove dead code.
6065 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6066 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6067 * omp-low.c (struct omp_region): Move to tree-flow.h.
6068 (root_omp_region): Export.
6069 (omp_regions, lookup_omp_region): Remove.
6070 (determine_parallel_type): Update for struct omp_region changes.
6071 (dump_omp_region): Dump regions with block numbers.
6072 (new_omp_region): Take type and block instead of stmt; malloc
6074 (free_omp_region_1, free_omp_regions): New.
6075 (expand_parallel_call): Take entry_stmt as argument; update for
6076 changes to omp_region.
6077 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6078 (remove_exit_barriers): New.
6079 (expand_omp_parallel): Update for struct omp_region changes.
6080 (expand_omp_synch): Likewise.
6081 (expand_omp): Likewise.
6082 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6083 (expand_omp_for_static_chunk): Likewise.
6084 (expand_omp_for): Likewise.
6085 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6086 (expand_omp_sections): Similarly, with GOMP_sections_end.
6087 (expand_omp_single): New.
6088 (build_omp_regions_1): Update for OMP_CONTINUE.
6089 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6090 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6091 OMP_SECTIONS_SECTIONS.
6092 (lower_omp_single_simple): Don't emit barrier here.
6093 (lower_omp_single_copy): Likewise.
6094 (lower_omp_single): Fix bindings, and lower to straightline now.
6095 (lower_omp_master, lower_omp_ordered): Likewise.
6096 (lower_omp_critical): Likewise.
6097 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6098 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6099 omp edges, free it afterward.
6100 (make_omp_sections_edges): Remove.
6101 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6102 (move_stmt_r): Handle OMP_CONTINUE.
6103 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6104 statement pointers to basic blocks. Add type member.
6105 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6106 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6107 * tree-inline.c (estimate_num_insns_1): Likewise.
6108 * tree-pretty-print.c (dump_generic_node): Likewise.
6109 * tree-ssa-operands.c (get_expr_operands): Likewise.
6110 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6111 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6112 (OMP_CONTINUE): New.
6113 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6114 (OMP_SECTIONS_SECTIONS): Remove.
6115 (OMP_SECTION_LAST): New.
6116 (OMP_RETURN_NOWAIT): New.
6118 2006-04-13 Roger Sayle <roger@eyesopen.com>
6120 * fold-const.c (native_encode_vector, native_interpret_real):
6121 Correct obvious mistakes in the previous check-in.
6123 2006-04-13 Roger Sayle <roger@eyesopen.com>
6125 * fold-const.c (native_encode_expr): New function to encode
6126 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6127 or VECTOR_CST into a specified buffer.
6128 (native_encode_int): New function.
6129 (native_encode_real): New function.
6130 (native_encode_complex): New function.
6131 (native_encode_vector): New function.
6132 (native_interpret_expr): Inverse of native_encode_expr to convert
6133 a target representation into an INTEGER_CST, REAL_CST etc...
6134 (native_interpret_int): New function.
6135 (native_interpret_real): New function.
6136 (native_interpret_complex): New function.
6137 (native_interpret_vector): New function.
6138 (fold_view_convert_expr): New function to constant fold/evaluate
6139 a VIEW_CONVERT_EXPR of a suitable constant expression.
6140 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6141 Change call of build1 to fold_build1 when constructing a
6144 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6145 Ulrich Weigand <uweigand@de.ibm.com>
6148 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6151 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6154 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6155 optimize to lo_sum for DFmode if !TARGET_FPRS.
6157 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6159 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6160 delete_alias_info, compute_flow_sensitive_aliasing,
6161 group_aliases): Use VEC instead of VARRAY.
6162 * tree-ssa-structalias.c (update_alias_info): Likewise.
6163 * tree-ssa-structalias.h (alias_info): Change the type of
6164 processed_ptrs to VEC(tree,heap) *.
6166 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6169 * config/sh/lib1funcs.h: New file, broken out of:
6170 * config/sh/lib1funcs.asm.
6171 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6173 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6174 * config/sh/lib1funcs-Os-4-200.asm: New file.
6175 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6176 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6177 (EXTRA_MULTILIB_PARTS): Include it.
6178 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6179 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6180 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6181 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6184 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6186 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6187 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6188 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6190 * tree-ssa-live.h: Include vecprim.h.
6191 (tree_partition_associator_d): Change the type of
6192 first_partition to VEC(int,heap) *.
6193 (tpa_first_partition): Use VEC instead of VARRAY.
6195 * Makefile.in (GTFILES): Move functions.h after tree.h.
6196 * function.c (reset_block_changes, record_block_change,
6197 check_block_change, free_block_changes): Use VEC instead of
6199 * function.h (function): Change the type of
6200 ib_boundaries_block to VEC(tree,gc) *.
6201 * tree-inline.c (copy_cfg_body): Initialize
6202 ib_boundaries_block to NULL instead of (varray_type) 0.
6204 2006-04-12 Roger Sayle <roger@eyesopen.com>
6206 * expr.c (emit_group_store): Correct operand order in call to
6207 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6208 a SUBREG_BYTE of zero.
6210 2006-04-12 Richard Guenther <rguenther@suse.de>
6212 * profile.c (compute_branch_probabilities): Remove code
6213 encapsulated in !ir_type (), which are remanents of the
6214 removed RTL profiling code.
6215 * rtl-profile.c: Remove.
6217 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6219 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6220 magic NULL_RTX comment.
6221 (function_arg): Store entire fp arg to mem if any part should go
6223 (rs6000_arg_partial_bytes): Adjust for above change.
6225 2006-04-11 Roger Sayle <roger@eyesopen.com>
6227 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6228 if it hasn't been initialized by dwarf2out_init.
6230 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6232 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6233 symbolic constants in branch patterns.
6235 2006-04-11 Roger Sayle <roger@eyesopen.com>
6237 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6239 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6241 PR rtl-optimization/27073
6242 * gcse.c (try_replace_reg): Revert last change. Continue to search
6243 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6246 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6248 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6249 aggregate types other than record and union types.
6250 (function_arg): Likewise.
6251 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6253 (function_value): In 64-bit mode, return objects that require it
6256 2006-04-11 Roger Sayle <roger@eyesopen.com>
6258 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6260 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6262 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6264 2006-04-03 Jeff Law <law@redhat.com>
6267 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6268 alias information too.
6270 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6272 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6274 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6277 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6278 (premark_used_types_helper): New.
6279 (premark_used_types): New.
6280 (gen_subprogram_die): Call premark_used_types.
6281 (prune_unused_types_walk): Do not prune perennial dies.
6282 * function.c (used_types_insert): New.
6283 * function.h (struct function): Add used_types_hash field.
6284 (used_types_insert): Add prototype.
6285 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6286 * c-parser.c (c_parser_cast_expression): Save casted types in used
6289 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6292 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6293 rs6000_explicit_options.float_gprs.
6295 2006-04-10 Roger Sayle <roger@eyesopen.com>
6297 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6298 from ix86_expand_vector_init_low_nonzero. Take an additional
6299 one_var argument indicating which element is non-zero. Support
6300 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6301 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6302 with one_var instead of ix86_expand_vector_init_low_nonzero.
6304 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6306 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6307 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6308 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6309 build/genextract.o): Depend on vecprim.h.
6310 * cfglayout.c, df-problems.c, function.c, genextract.c,
6311 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6312 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6316 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6318 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6319 Declare VECs of this type.
6320 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6321 (remove_children): Delete.
6322 (add_dwarf_attr): Use VEC routines.
6323 (add_AT_flag): Update for changes to add_dwarf_attr.
6324 (add_AT_int): Likewise.
6325 (add_AT_unsigned): Likewise.
6326 (add_AT_long_long): Likewise.
6327 (add_AT_vec): Likewise.
6328 (add_AT_string): Likewise.
6329 (add_AT_die_ref): Likewise.
6330 (add_AT_fde_ref): Likewise.
6331 (add_AT_loc): Likewise.
6332 (add_AT_loc_list): Likewise.
6333 (add_AT_addr): Likewise.
6334 (add_AT_lbl_id): Likewise.
6335 (add_AT_lineptr): Likewise.
6336 (add_AT_macptr): Likewise.
6337 (add_AT_offset): Likewise.
6338 (add_AT_range_list): Likewise.
6339 (get_AT): Use VEC_iterate.
6340 (remove_AT): Use VEC_ordered_remove.
6341 (free_die): Fold remove_children into here; have it use VEC_iterate.
6342 (print_die): Use VEC_iterate on attrs.
6343 (reverse_die_lists): Don't reverse attr lists.
6344 (die_checksum): Use VEC_iterate on attrs.
6345 (same_die_p): Likewise.
6346 (output_location_lists): Likewise.
6347 (build_abbrev_table): Likewise.
6348 (size_of_die): Likewise.
6349 (unmark_all_dies): Likewise.
6350 (output_abbrev_section): Likewise.
6351 (output_die): Likewise.
6352 (prune_unused_types_walk_attribs): Likewise.
6354 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6356 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6358 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6361 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6363 2006-04-09 Roger Sayle <roger@eyesopen.com>
6365 * expr.c (store_constructor): Don't bother clearing target if
6366 we're about to assign a vector to it using vec_init_optab.
6368 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6370 * tree-ssa-alias.c (lhs_may_store_to): New function.
6371 (recalculate_used_alone): Handle LHS of calls.
6373 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6377 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6378 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6379 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6380 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6381 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6382 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6383 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6384 stubs. Add ".align 8" directives before all ".dword" directives.
6385 (GTHREAD_USE_WEAK): Revise comment.
6386 (TARGET_ATTRIBUTE_WEAK): Define.
6387 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6388 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6389 * stublib.c: New file.
6394 * pa.md (cbranch patterns): Revise arguments used in calls to
6395 output_cbranch, output_bb and output_bvd. Add long branch length
6397 (fbranch patterns): Handle long branches.
6398 (jump): Revise length check. Revise arguments for output_lbranch call.
6399 Add long branch length attributes.
6400 (decrement_and_branch_until_zero): Add long branch length attributes.
6401 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6402 Likewise. Revise arguments for output_parallel_addb and
6403 output_parallel_movb calls.
6404 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6405 output_parallel_movb and output_parallel_addb): Update prototypes.
6406 * pa.c (output_cbranch): Revise arguments. Correct handling of
6407 nullification in long branches.
6408 (output_lbranch): Add new argument to control extraction of delay
6410 (output_bb): Handle long branches.
6411 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6412 output_parallel_addb): Likewise.
6414 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6416 PR rtl-optimization/27073
6417 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6420 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6422 * tree.h (tree_memory_tag): Add old_used_alone.
6423 (SMT_OLD_USED_ALONE): New macro.
6424 * tree-ssa-alias.c (recalculate_used_alone): Stop
6425 marking things for renaming unnecessarily.
6427 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6429 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6430 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6431 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6432 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6433 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6434 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6435 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6436 spelling convensions.
6437 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6438 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6439 typos. Follow spelling conventions.
6441 2006-04-07 DJ Delorie <dj@redhat.com>
6443 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6444 passed on the stack.
6445 (m32c_init_cumulative_args): When a function returns a structure,
6446 always pass the pointer to that return area on the stack.
6447 (m32c_function_arg_advance): Don't increment the parameter number
6448 if we're processing the returned structure pointer.
6449 (pushm_info): Reverse order of registers.
6451 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6453 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6454 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6455 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6456 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6458 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6459 chrec_fold_multiply): Same.
6460 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6461 force_expr_to_var_cost): Same.
6462 * tree-mudflap.c (mf_xform_derefs_1): Same.
6463 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6465 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6467 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6468 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6471 2006-04-07 Jan Hubicka <jh@suse.cz>
6473 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6475 2006-04-07 Richard Guenther <rguenther@suse.de>
6477 PR tree-optimization/26135
6478 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6479 loads for store copy-prop.
6480 (copy_prop_visit_stmt): Likewise.
6482 2006-04-05 Robert Millan <robertmh@gnu.org>
6484 * config/i386/linux.h: Add a comment to mark macros that are
6485 being overriden in config/k*bsd-gnu.h.
6486 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6488 * config/knetbsd-gnu.h: Ditto.
6490 2006-04-06 Jan Hubicka <jh@suse.cz>
6494 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6497 2006-04-06 Mike Stump <mrs@apple.com>
6499 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6500 for HAVE_nonlocal_goto to be consistent.
6501 (expand_builtin_nonlocal_goto): Likewise.
6502 (expand_builtin_strcmp): Use #ifdef instead of #if
6503 for HAVE_cmpstrnsi to be consistent.
6505 2006-04-05 DJ Delorie <dj@redhat.com>
6507 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6510 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6512 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6513 got-relative addressing for anything but SImode.
6515 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6516 even if the calling function doesn't modify them.
6518 2006-04-05 Richard Guenther <rguenther@suse.de>
6520 PR tree-optimization/26919
6521 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6522 to cgraph_estimate_size_after_inlining.
6524 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6526 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6528 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6530 PR tree-optimization/26996
6531 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6532 VECTOR_TYPE variables.
6534 2006-04-05 Richard Guenther <rguenther@suse.de>
6536 PR tree-optimization/26763
6537 * fold-const.c (fold_comparison): Move folding of
6538 PTR + CST CMP PTR + CST ...
6539 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6541 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6543 * doc/install.texi (Prerequisites): Refine some wording on
6544 bootstrapping and ksh.
6545 Move the version numbers of DejaGnu here from the testing section
6546 and fix casing of names.
6547 Fix markup and clarify wording for autogen requirements.
6548 Refer to GCJ instead of just java.
6549 Refer to SVN instead of CVS.
6550 Describe diffutils as useful instead of necessary.
6551 (Downloading the source): Refer to SVN instead of CVS.
6552 Adjust a link to our web site accordingly.
6553 (Configuration): Fix casing of Bison.
6554 (Building): Refer to SVN instead of CVS.
6555 Fix a sentence on the use of Bison and remove duplicate (and
6556 incorrect) version number of Bison requirement.
6557 Remove one redundant list of packages needed for building.
6558 (Specific): Avoid reference to CVS.
6560 2006-04-04 Eric Christopher <echristo@apple.com>
6562 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6563 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6564 (rs6000_handle_struct_attribute): New.
6565 (rs6000_ms_bitfield_layout_p): Ditto.
6567 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6569 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6570 NULL for dso parameter to atexit_common.
6572 2006-04-04 Eric Christopher <echristo@apple.com>
6574 * config/i386/i386.c (machopic_output_stub): Output \t
6575 between instructions and operands.
6577 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6579 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6580 satisfies_constraint_[IL] to explicit tests on value.
6582 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6584 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6585 set_nb_iterations_in_loop): Use build_int_cst instead of
6587 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6588 build_int_cst instead of convert.
6590 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6592 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6593 new value 2 for incoming.
6594 * function.c (expand_function_start): Call struct_value_rtx
6596 * config/sparc/sparc.md: Comment updated_return.
6597 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6598 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6599 struct return if sparc_std_struct_return and incoming is 2.
6600 (print_operand): Do not adjust return if
6601 sparc_std_struct_return.
6603 2006-04-04 Roger Sayle <roger@eyesopen.com>
6605 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6606 convert in the middle-end.
6607 * expr.c (store_expr, store_constructor, get_inner_reference,
6608 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6610 * tree.c (build_range_type): Likewise.
6612 2006-04-04 Tom Tromey <tromey@redhat.com>
6614 * doc/install.texi (Prerequisites): Mention jar.
6616 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6618 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6621 2006-04-04 Matthias Klose <doko@debian.org>
6623 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6627 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6630 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6632 * doc/extend.texi (Function Attributes): Rewrite visibility
6633 attribute documentation.
6634 * doc/invoke.texi (C++ Dialect Options): Rewrite
6635 -fvisibility-inlines-hidden documentation to describe something
6636 entirely different, although in practise compatible.
6637 (Code Gen Options): Warn about system headers in -fvisibility=
6640 * doc/extend.texi (Other Builtins): Document that
6641 __builtin_nan is a compile-time constant only when its argument
6644 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6646 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6647 trying to remove TRUNCATE check if all bits outside the new mode
6648 are identical to the sign bit.
6650 2006-04-03 Jeff Law <law@redhat.com>
6652 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6653 and operand scanning in some common cases.
6655 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6656 Dale Johannesen <dalej@apple.com>
6659 * regclass.c (struct reg_pref): Update documentation.
6660 (regclass): Set prefclass to NO_REGS if memory is the best option.
6661 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6662 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6663 into account. For non-registers, equate an empty preferred
6664 reload class to a `!' in the constraint; move the if clause to
6665 do so after those that reject the insn.
6666 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6668 (find_dummy_reload): Likewise.
6669 * doc/tm.texi (Register Classes): Document what it means
6670 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6671 * config/i386/i386.c (ix86_preferred_reload_class): Force
6672 using SSE registers (and return NO_REGS for floating-point
6673 constants) if math is done with SSE.
6674 (ix86_preferred_output_reload_class): New.
6675 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6676 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6677 * config/i386/i386.md: Remove # register preferences.
6679 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6682 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6683 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6684 the type of nb_iter.
6685 (instantiate_parameters_1): Convert the operands before calling
6686 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6687 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6689 2006-04-02 Roger Sayle <roger@eyesopen.com>
6691 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6692 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6694 * dojump.c (do_jump): Likewise.
6695 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6696 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6697 gimplify_boolean_expr): Likewise.
6698 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6699 * varasm.c (array_size_for_constructor): Likewise.
6700 * tree-object-size.c (compute_object_offset): Likewise.
6702 2006-04-02 Roger Sayle <roger@eyesopen.com>
6705 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6706 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6708 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6710 PR tree-optimization/26939
6711 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6713 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6715 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6716 at_stmt. Convert the type of operands before calling
6717 build_polynomial_chrec.
6718 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6720 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6721 (instantiate_parameters_1): Convert the type of operands before calling
6722 build_polynomial_chrec.
6723 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6724 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6725 reset_evolution_in_loop): Insert asserts to check the types of the
6727 (chrec_type): Moved...
6728 (eq_evolutions_p): Use operand_equal_p.
6729 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6730 the types of the operands.
6731 (chrec_type): ...here.
6732 * tree-data-ref.c (create_data_ref): Convert the operands before
6733 calling chrec_replace_initial_condition.
6734 (same_access_functions, analyze_subscript_affine_affine,
6735 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6736 (compute_subscript_distance, analyze_ziv_subscript,
6737 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6738 analyze_miv_subscript): Convert the operands before calling
6739 chrec_fold_minus or chrec_fold_plus.
6741 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6743 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6744 the dependence_relations vector.
6745 (compute_data_dependences_for_loop): Adjust call to
6746 compute_all_dependences.
6748 2006-04-01 Roger Sayle <roger@eyesopen.com>
6749 Richard Henderson <rth@redhat.com>
6751 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6752 gimple_boolify on the condition before calling gimplify_expr.
6754 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6756 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6757 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6758 the frame size. Update to use the new macros.
6759 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6760 * config/xtensa/ieee754-df.S: Likewise.
6762 2006-03-31 Richard Henderson <rth@redhat.com>
6764 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6765 (make_edges): ... here. Control fallthru creation with a local
6766 variable. Do not play with fake edges.
6767 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6768 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6771 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6773 * dwarf2.h (DW64_CIE_ID): Define.
6774 * dwarf2out.c (DWARF_CIE_ID): Define.
6775 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6776 length header. Use DWARF_CIE_ID.
6777 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6778 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6780 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6782 * config/sh/linux-atomic.asm: New file.
6783 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6785 2006-03-31 DJ Delorie <dj@redhat.com>
6787 * config/m32c/cond.md: Set condition flags properly throughout.
6788 * config/m32c/minmax.md: Likewise.
6789 * config/m32c/prologue.md: Likewise.
6790 * config/m32c/bitops.md: Likewise.
6791 * config/m32c/muldiv.md: Likewise.
6792 * config/m32c/mov.md: Likewise.
6793 * config/m32c/addsub.md: Likewise.
6794 * config/m32c/m32c.md: Likewise.
6795 * config/m32c/jump.md: Likewise.
6796 * config/m32c/shift.md: Likewise.
6798 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6799 conditionally output the pattern for this.
6800 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6801 (m32c_compare_redundant): New.
6802 (m32c_output_compare): New.
6803 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6805 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6806 dest, not src. Allow other 4-byte modes.
6808 2006-03-30 Denis Chertykov <denisc@overta.ru>
6810 * doc/md.texi: Refer to avr/constraints.md instead of
6813 2006-03-30 Roger Sayle <roger@eyesopen.com>
6815 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6816 signed vs. unsigned comparison failures on some hosts.
6818 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6821 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6822 change to FLOAT_REGS.
6824 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6825 (rs6000_override_options): Use it.
6826 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6827 only for -mabi=spe/no-spe and -mabi=altivec.
6829 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6831 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6834 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6836 * Makefile.in: Rename docdir to gcc_docdir.
6838 2006-03-30 Roger Sayle <roger@eyesopen.com>
6841 * expr.c (emit_group_store): Optimize group stores into a pseudo
6842 register by using a paradoxical subreg to initialize the destination
6843 if the first or last member of the group specifies a "low part".
6845 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6848 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6849 * target.h (struct gcc_target.speculate_insn): Change type of the
6850 second parameter to 'int'.
6851 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6852 the second operand of the DEPS_LIST.
6853 (copy_DEPS_LIST_list): Update reference to the second operand of the
6855 * rtl.h (alloc_DEPS_LIST): Update signature.
6856 * sched-int.h (ds_t): Change typedef to 'int'.
6857 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6859 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6861 * haifa-sched.c (try_ready): Change condition to restore
6862 non-speculative pattern of the instruction.
6863 (process_insn_depend_be_in_spec): Code to keep probability of the
6864 speculative dependence non-decreasing.
6866 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6868 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6869 (single_move_for_movmem): ... this. Also change all uses.
6870 (bfin_expand_strmov): Renamed to...
6871 (bfin_expand_movmem): ... this. Also change all uses.
6872 * config/bfin/bfin.md (movstrsi): Renamed to...
6873 (movstrsi): ...this.
6875 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6877 PR tree-optimization/26830
6879 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6880 (copy_prop_visit_stmt): Remove write-only variable ann.
6881 (init_copy_prop): Check variable loop depth here. Do not simulate
6882 memory-tag and virtual operand PHIs except for store copy prop.
6884 2006-03-30 Richard Guenther <rguenther@suse.de>
6886 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6887 variants with double arguments.
6889 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6891 * genpreds.c (write_tm_constrs_h): Delete variable p.
6892 * genconditions.c (write_header): Add tm-constrs.h to included
6894 * genpeep.c (main): Add toplev.h to included headers.
6895 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6896 (build/genpeep.o): Add toplev.h dependency.
6897 * config/rs6000/constraints.md: Add "W" constraint.
6899 2006-03-29 Roger Sayle <roger@eyesopen.com>
6901 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6902 sizes by correctly testing whether the size fits a host integer.
6903 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6904 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6905 SImode range for the default sizetype and bitsizetype.
6907 2006-03-29 Roger Sayle <roger@eyesopen.com>
6909 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6910 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6911 quickly if the argument is already of the correct type.
6912 Call fold_build1 instead of build1. Tidy up blank lines.
6914 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6916 * genemit.c (main): Add tm-constrs.h to included headers.
6917 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6918 * genpeep.c (main): Add tm-constrs.h to included headers.
6919 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6920 (write_tm_constrs_h): this and write complete file.
6921 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6922 (write_insn_preds_c): Add tm-constrs.h to included headers.
6923 (gen_constrs): New variable.
6924 (parse_option): Parse "-c".
6925 (main): Invoke write_tm_constrs_h.
6926 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6927 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6928 (object_out_file): Add tm-constrs.h dependency.
6929 (insn-emit.o): Same.
6930 (insn-output.o): Same.
6931 (insn-peep.o): Same.
6932 (insn-preds.o): Same.
6933 (insn-recog.o): Same.
6934 (tm-constsr.h): New target.
6935 (s-constrs-h): New target.
6937 * config/rs6000/constraints.md: New file.
6938 * config/rs6000/rs6000.c: Include tm-constrs.h.
6939 (num_insn_constant_wide): Convert to satisfies_constraint.
6940 (rs6000_rtx_costs): Convert to satisfies_constraint.
6941 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6942 (CONST_OK_FOR_LETTER_P): Delete.
6943 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6944 (EXTRA_CONSTRAINT): Delete.
6945 (EXTRA_MEMORY_CONSTRAINT): Delete.
6946 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6947 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6948 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6949 satisfies_constraint.
6951 * config/i386/i386.c: Include tm-constrs.h.
6953 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6955 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6956 * tree-data-ref.c (find_data_references_in_loop,
6957 compute_data_dependences_for_loop): Use pointers to VEC.
6958 (analyze_all_data_dependences): Adjust calls.
6959 * tree-data-ref.h (find_data_references_in_loop,
6960 compute_data_dependences_for_loop): Adjust declarations.
6961 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6962 compute_data_dependences_for_loop.
6964 2006-03-29 Paul Brook <paul@codesourcery.com>
6966 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6969 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6971 PR tree-optimization/26859
6972 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6974 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6975 for the step after fold_convert.
6977 2006-03-29 Paul Brook <paul@codesourcery.com>
6979 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
6980 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
6982 2006-03-29 Paul Brook <paul@codesourcery.com>
6985 * targhooks.c (default_narrow_bitfield): New fuction.
6986 * targhooks.h (default_narrow_bitfield): add prototype.
6987 * target.h (gcc_target): Add narrow_volatile_bitfield.
6988 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6989 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
6990 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
6991 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
6993 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
6995 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
6997 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
6998 (NR_C_MODES): Add TDmode, DDmode and SDmode.
6999 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7000 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7001 (s390_function_arg_float): Allow SDmode and DDmode values to be
7002 passed in floating point registers.
7003 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7004 check with SCALAR_FLOAT_MODE_P.
7005 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7007 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7009 PR tree-optimization/25985
7010 * tree-ssa-loop-niter.c (number_of_iterations_le,
7011 number_of_iterations_ne): Make comments more precise.
7012 (number_of_iterations_cond): Add only_exit argument. Use the
7013 fact that signed variables do not overflow only when only_exit
7015 (loop_only_exit_p): New.
7016 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7017 number_of_iterations_cond.
7019 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7021 PR tree-optimization/26643
7022 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7025 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7027 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7028 (divsi3_i4_int): Likewise.
7030 2006-03-28 Roger Sayle <roger@eyesopen.com>
7032 * expr.c (emit_group_store): Only create a new pseudo reg if the
7033 quantity it needs to hold isn't already a suitable pseudo.
7035 2006-03-28 Jeff Law <law@redhat.com>
7037 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7038 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7040 2006-03-28 Roger Sayle <roger@eyesopen.com>
7042 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7043 the equivalent ~X & Y, and the symmetry related transformations.
7044 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7045 ~X & Y, and symmetry related transforms.
7047 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7049 Revert my 2006-03-27 patches.
7051 2006-03-28 Roger Sayle <roger@eyesopen.com>
7053 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7054 ~(T1)X, when T1 and T2 are integer types of the same precision
7055 and (T2)X isn't an extension.
7057 2006-03-28 Jeff Law <law@redhat.com>
7059 PR tree-optimization/26796
7060 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7061 need EH edge cleanups rather than purging them immediately.
7062 (eliminate_degenerate_phis): Handle queued EH cleanups.
7064 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7066 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7069 2006-03-27 Roger Sayle <roger@eyesopen.com>
7072 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7073 cast BIT_NOT_EXPR operand to the correct type.
7075 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7077 * tree-loop-linear.c: Don't include varray.h.
7078 (gather_interchange_stats, try_interchange_loops,
7079 linear_transform_loops): Use VEC instead of VARRAY.
7080 * lambda-mat.c: Don't include varray.h.
7081 * tree-chrec.c: Same.
7082 * lambda-trans.c: Same.
7083 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7084 VEC instead of VARRAY.
7085 * tree-vectorizer.h: Idem.
7086 * tree-data-ref.c (dump_data_references,
7087 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7088 initialize_data_dependence_relation, finalize_ddr_dependent,
7089 compute_all_dependences, find_data_references_in_loop,
7090 compute_data_dependences_for_loop, analyze_all_data_dependences,
7091 free_dependence_relation, free_dependence_relations,
7092 free_data_refs): Idem.
7093 * tree-data-ref.h (data_reference_p, subscript_p): New.
7094 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7095 VEC instead of VARRAY.
7096 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7097 (find_data_references_in_loop, compute_data_dependences_for_loop,
7098 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7099 dump_data_dependence_relations, free_dependence_relations,
7100 free_data_refs): Adjust declaration.
7101 (lambda_transform_legal_p): Move declaration here...
7102 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7103 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7104 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7105 vect_analyze_data_refs): Use VEC instead of VARRAY.
7106 * lambda.h (lambda_transform_legal_p): ...from here.
7107 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7108 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7109 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7110 tree-chrec.o): Don't depend on VARRAY_H.
7112 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7114 * rtl.def (Copyright): Update date.
7115 (DEPS_LIST): Change type of the second operand to 'int'.
7116 * target.h (Copyright): Update date.
7117 (struct gcc_target.speculate_insn): Change type of the second parameter
7119 * lists.c (Copyright): Update date.
7120 (alloc_DEPS_LIST): Change signature. Update reference to the second
7121 operand of the DEPS_LIST.
7122 (copy_DEPS_LIST_list): Update reference to the second operand of the
7124 * rtl.h (Copyright): Update date.
7125 (alloc_DEPS_LIST): Update signature.
7126 * sched-int.h (Copyright): Update date.
7127 (ds_t): Change typedef to 'int'.
7128 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7130 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7132 * haifa-sched.c (Copyright): Update date.
7133 (try_ready): Change condition to restore non-speculative pattern
7135 (process_insn_depend_be_in_spec): Code to keep probability of the
7136 speculative dependence non-decreasing.
7138 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7140 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7141 shut up the compiler.
7143 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7145 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7146 to use lib prefix for target.
7147 ($(T)libic_invalidate_array_4-200.a): Likewise.
7148 ($(T)libic_invalidate_array_4a.a): Likewise.
7150 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7151 J"orn Rennecke <joern.rennecke@st.com>
7153 * superh.opt: New file.
7154 * sh.c (boardtype, osruntime): Remove.
7155 * superh.h (SUBTARGET_OPTIONS): Remove.
7156 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7158 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7159 arguments with ^ and/or [].
7161 * config.gcc (sh-*-*): Add quoting to account for quirk of
7163 Replace == with = in enable_incomplete_targets test.
7165 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7166 with MASK_LITTLE_ENDIAN.
7168 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7169 * config/sh/sh.opt: Added to some comments.
7170 * config/sh/superh.h: Removed some chaff.
7172 * config/sh/sh.opt: Add m4-[1234]00* options.
7173 * config/sh/sh.c (sh_handle_option): Likewise.
7174 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7175 (ic_invalidate_array_4-100.o): New rule.
7176 ($(T)libic_invalidate_array_4-100.a): Likewise.
7177 (ic_invalidate_array_4-200.o): Likewise.
7178 ($(T)libic_invalidate_array_4-200.a): Likewise.
7179 (ic_invalidate_array_4a.o): Likewise.
7180 ($(T)libic_invalidate_array_4a.a): Likewise.
7181 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7182 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7184 * config/sh/crt1.asm: Merged in profiling code.
7185 * config/sh/superh.h (STARTFILE_SPEC): Override.
7186 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7187 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7188 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7190 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7191 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7192 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7194 * sh.opt (mpretend-cmove): New option.
7195 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7196 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7197 (movsicc): Add TARGET_PRETEND_CMOVE code.
7199 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7201 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7202 s390_class_max_nregs): New function prototypes.
7203 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7204 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7205 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7206 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7208 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7210 * dwarf2out.c (add_location_or_const_value_attribute): Call
7211 tree_add_const_value_attribute if nothing else works.
7212 (reference_to_unused): New.
7213 (rtl_for_decl_init): Use reference_to_unused to decide whether
7214 to output an initializer.
7216 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7219 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7220 peephole removing spe frob_di_df_2.
7222 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7224 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7225 (subscript_dependence_tester_1): Declared.
7226 (print_dir_vectors, print_dist_vectors): New.
7227 (debug_data_dependence_relation): New.
7228 (dump_data_dependence_relation): Print more details.
7229 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7230 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7231 (save_dist_v, save_dir_v, add_outer_distances,
7232 build_classic_dist_vector_1): New.
7233 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7234 Don't test for lambda_vector_lexico_pos.
7235 (same_access_functions, add_multivariate_self_dist,
7236 add_other_self_distances, dir_from_dist): New.
7237 (build_classic_dir_vector): Replace implementation almost identical to
7238 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7240 (subscript_dependence_tester_1): New.
7241 (subscript_dependence_tester): Handle the lexicographically negative
7242 distance vectors by recomputing the dependence relation.
7243 (compute_affine_dependence): Remove parameter loop_nest_depth.
7244 (compute_self_dependence): Don't call compute_subscript_distance.
7245 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7246 Add a parameter for the loop_nest.
7247 (find_loop_nest_1, find_loop_nest): New.
7248 (compute_data_dependences_for_loop): Compute the loop nest, and give
7249 up if the nest is not well formed.
7250 * tree-data-ref.h (loop_p): New.
7251 (struct data_dependence_relation): Replace size_vect field with
7252 loop_nest, a vec of loops.
7253 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7254 (DDR_LOOP_NEST): New.
7255 (print_dir_vectors, print_dist_vectors,
7256 debug_data_dependence_relation): Declared.
7257 (index_in_loop_nest): New.
7258 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7259 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7262 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7264 * simplify-rtx.c (simplify_relational_operation): Call
7265 simplify_relational_operation_1 even if mode is VOIDmode.
7267 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7269 PR tree-optimization/26804
7270 * tree.h (DECL_CALL_CLOBBERED): New macro.
7271 (tree_decl_common): Add call_clobbered_flag.
7272 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7273 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7274 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7275 (mark_non_addressable): Ditto.
7276 * tree-ssa.c (verify_call_clobbered): New function.
7277 (verify_alias_info): Use it.
7278 * tree-pass.h (pass_reset_cc_flags): New prototype.
7279 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7280 (reset_cc_flags): New function.
7281 * passes.c (init_optimization_passes): Call reset_cc_flags after
7282 initializing referenced_vars.
7284 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7285 Roger Sayle <roger@eyesopen.com>
7288 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7289 to 1.0 for non-real operands. Implement A / A optimization for
7292 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7294 * config/i386/i386.c (size_cost): Correct the comment for
7295 cost of storing fp registers.
7296 (i386_cost): Likewise.
7297 (i486_cost): Likewise.
7298 (pentium_cost): Likewise.
7299 (pentiumpro_cost): Likewise.
7300 (k6_cost): Likewise.
7301 (athlon_cost): Likewise.
7302 (k8_cost): Likewise.
7303 (pentium4_cost): Likewise.
7304 (nocona_cost): Likewise.
7305 (generic64_cost): Likewise.
7306 (generic32_cost): Likewise.
7308 2006-03-24 Denis Chertykov <denisc@overta.ru>
7310 * config/avr/avr-protos.h (extra_constraint): Delete.
7311 (extra_constraint_Q): New declaration.
7312 * config/avr/constraints.md: New file.
7313 * config/avr/avr.md: Include it.
7314 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7315 (TMP_REGNO, ZERO_REGNO): Likewise.
7316 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7317 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7318 (extra_constraint): Delete.
7319 (extra_constraint_Q): Test for memory constraint 'Q'.
7320 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7321 (REG_CLASS_FROM_LETTER): Delete.
7322 (CONST_OK_FOR_LETTER_P): Delete.
7323 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7324 (EXTRA_CONSTRAINT): Delete.
7325 (TMP_REGNO): Delete.
7326 (ZERO_REGNO): Delete.
7328 2006-03-24 Jeff Law <law@redhat.com>
7330 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7331 directly. Call mark_new_vars_to_rename slightly earlier.
7333 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7335 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7337 (gen_compile_unit_die): Use new language types for Objective-C and
7339 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7340 DW_LANG_C_plus_plus.
7343 * config/t-darwin (crt3.o): Work around bug 26840.
7344 * config/darwin-crt3.c: Rewrite.
7345 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7347 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7349 * doc/invoke.texi: Document -femit-class-debug-always
7350 * common.opt: Add -femit-class-debug-always.
7352 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7354 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7355 index and base register.
7356 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7357 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7358 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7359 REGNO_OK_FOR_INDEX_P.
7360 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7362 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7363 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7364 REG_OK_FOR_BASE_P): Definitions removed.
7366 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7369 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7370 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7371 set yet or weren't marked as local yet.
7373 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7375 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7378 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7380 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7381 (rs6000_legitimate_small_data_p): Delete.
7382 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7383 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7384 and make static. Add forward declaration. Update uses.
7385 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7386 of offsettable_memref_p.
7387 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7388 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7390 2006-03-24 Jeff Law <law@redhat.com>
7392 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7393 around bug in immediate-use iterator.
7395 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7398 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7399 or __LITTLE_ENDIAN__.
7401 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7403 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7404 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7405 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7406 * config/sh/sh.opt (mdiv=): Amend description.
7407 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7408 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7409 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7410 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7411 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7412 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7413 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7414 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7415 TARGET_DIVIDE_CALL_FP.
7417 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7419 * haifa-sched.c (choose_ready): Fix type of the local variable.
7420 Move local variables. Add comment.
7421 (check_reg_live): Change signature. Make callable from debugger.
7422 * sched-int.h (check_reg_live): Update signature.
7423 * sched-ebb.c (check_reg_live): Update parameters.
7424 * sched-rgn.c (check_reg_live): Ditto.
7425 (region_head_or_leaf_p): Check pointer before dereferencing.
7426 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7427 before reload on optimization levels below 1.
7429 2006-03-23 Richard Henderson <rth@redhat.com>
7431 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7435 * config/alpha/predicates.md (local_symbolic_operand): Reject
7438 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7441 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7442 expressions which have overflowed constants.
7444 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7446 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7448 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7450 * cfgloopmanip.c (create_loop_notes): Removed.
7451 * final.c (final_scan_insn): Do not handle loop notes.
7452 * jump.c (squeeze_notes): Ditto.
7453 * cfglayout.c (skip_insns_after_block,
7454 duplicate_insn_chain): Ditto.
7455 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7457 * cfgloop.h (create_loop_notes): Declaration removed.
7459 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7461 * varasm.c (output_constant_pool): Restore fnname and fndecl
7463 (assemble_start_function): Adjust call accordingly.
7464 (assemble_end_function): Likewise.
7466 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7469 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7472 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7474 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7477 * system.h (ICE_EXIT_CODE): New macro.
7478 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7479 (diagnostic_action_after_output): Likewise.
7480 * gcc.c (fatal_ice): New function.
7481 (execute): Use it instead of fatal.
7482 (fancy_abort): Likewise.
7483 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7485 2006-03-22 Jeff Law <law@redhat.com>
7487 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7488 iv_analyze_result returning false.
7490 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7492 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7494 2006-03-22 Richard Henderson <rth@redhat.com>
7497 * except.c (duplicate_eh_regions_0): New.
7498 (duplicate_eh_region_1): Duplicate the children of the node as
7499 well as the node itself. Link them up properly.
7500 (duplicate_eh_region_2): Merge into ...
7501 (duplicate_eh_regions): ... here. Take copy_region argument, and
7502 copy only a sub-tree if asked. Simplify copying and fixup.
7503 (eh_region_outer_p): New.
7504 * except.h (duplicate_eh_regions): Update decl.
7505 (eh_region_outer_p): Declare.
7506 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7507 (lower_omp_master): Likewise.
7508 (lower_omp_ordered): Likewise.
7509 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7510 (move_stmt_r): Use it to remap labels. Handle recursion vs
7511 remap_decls_p properly.
7512 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7513 (find_outermost_region_in_block): New.
7514 (new_label_mapper): New.
7515 (move_sese_region_to_fn): Copy eh information to the new function
7517 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7519 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7522 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7524 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7525 into shared libraries.
7527 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7529 * doc/md.texi: Refer to i386/constraints.md instead of
7531 * config/i386/constraints.md: New file, extracted from...
7532 * config/i386/predicates.md: ...here.
7533 * config/i386/i386.md: Include constraints.md.
7535 2006-03-21 Jason Merrill <jason@redhat.com>
7537 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7540 * expr.c (init_block_move_fn): Force default visibility.
7541 (init_block_clear_fn): Likewise.
7542 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7543 * targhooks.c (default_external_stack_protect_fail): Likewise.
7545 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7547 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7548 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7549 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7550 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7551 (loadgp): Use mips_current_loadgp_style.
7552 (loadgp_noshared): New pattern.
7553 (sibcall_internal): Use MIPS_CALL.
7554 (sibcall_value_internal): Likewise.
7555 (sibcall_value_multiple_internal): Likewise.
7556 (call_internal): Likewise.
7557 (call_value_internal): Likewise.
7558 (call_value_multiple_internal): Likewise.
7559 (call_split): Use MIPS_CALL and add an 'S' constraint.
7560 (call_value_split): Likewise.
7561 (call_value_multiple_split): Likewise.
7562 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7563 (-mshared): New option.
7564 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7565 (mips_current_loadgp_style): Declare.
7566 * config/mips/mips.c (mips_classify_symbol): Avoid using
7567 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7568 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7569 TARGET_ABSOLUTE_ABICALLS.
7570 (override_options): Adjust comments. Improve the warning that is
7571 issued when -mabicalls and -G are used together.
7572 (mips_file_start): Remove comment.
7573 (mips_current_loadgp_style): New function.
7574 (mips_gnu_local_gp): New variable.
7575 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7577 (mips_output_function_prologue): Use mips_current_laodgp_style.
7578 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7579 the cprestore instruction.
7580 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7581 live for TARGET_ABSOLUTE_ABICALLS.
7582 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7583 (ASM_SPEC): Pass down -mshared and -mno-shared.
7584 (MIPS_CALL): New macro.
7585 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7587 * doc/invoke.texi (-mabicalls): Update documentation.
7588 (-mshared): Document.
7590 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7592 * config/ia64/unwind-hpux.c: New file.
7593 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7595 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7598 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7600 2006-03-21 Jeff Law <law@redhat.com>
7602 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7603 type conversions of a VR_VARYING source to a wider type.
7605 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7607 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7608 tm_file on Solaris 10 and later.
7609 (sparc64-*-solaris2*): Likewise.
7610 (sparc-*-solaris2*): Likewise.
7611 * config/sol26.h: Rename to config/sol2-6.h.
7612 * config/sol2-10.h: New file.
7614 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7617 * tree-ssa-pre.c (create_component_ref_by_pieces):
7620 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7623 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7624 return it immediately.
7626 2006-03-21 Michael Matz <matz@suse.de>
7628 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7630 (remove_arc, add_arc): Update num_out_arcs member.
7631 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7633 (cache_presence): New function.
7634 (compare_states_for_equiv): New function.
7635 (state_is_differed): Don't take number of outargs, adjust callers.
7636 Use new invariant for speeding up.
7637 (init_equiv_class): Create initial classes based on sorted
7639 (partition_equiv_class): Don't track out_arcs_num.
7640 (evaluate_equiv_classes): Call cache_presence on all states and
7643 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7645 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7646 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7647 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7648 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7650 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7651 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7652 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7653 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7654 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7656 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7657 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7658 (REGNO_REG_CLASS): ARGP is in PREGS.
7659 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7661 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7662 to deal with those addresses.
7663 * addresses.h: New file.
7664 * caller-save.c: Include "addresses.h".
7665 (init_caller_save): Use new base_reg_class function.
7666 * rtl-factoring.c: Include "addresses.h".
7667 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7668 * recog.c: Include "addresses.h".
7669 (preprocess_constraints): Use new base_reg_class function.
7670 * regrename.c: Include "addresses.h".
7671 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7672 functions. Keep track of a new var INDEX_CODE to compute valid
7674 (replace_oldest_value_addr): Likewise.
7675 (replace_oldest_value_mem): Use base_reg_class.
7676 * reload.c: Include "addresses.h".
7677 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7678 (find_reloads): Use new base_reg_class function.
7679 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7680 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7681 all callers and prototype changed.
7682 * reload1.c: Include "addresses.h".
7683 (maybe_fix_stack_asms): Use base_reg_class.
7684 * regclass.c: Include "addresses.h".
7685 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7686 (init_reg_autoinc): Use new base_reg_class function.
7687 (record_reg_classes): Likewise.
7688 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7689 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7690 Use new args to compute necessary class.
7692 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7693 regrename.o, rtl-factoring.o): Update dependencies.
7694 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7695 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7696 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7697 REG_OK_FOR_INDEX_P): Delete documentation.
7699 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7701 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7702 from V7 to V9 for Solaris 7 and above.
7704 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7706 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7707 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7708 argument pointers may not alias any other storage.
7709 * common.opt: Define option -fargument-noalias-anything.
7710 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7711 alias semantics is specified by flag_argument_noalias > 2.
7713 2006-03-20 Jeff Law <law@redhat.com>
7715 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7716 (pass_phi_only_cprop): Declare.
7717 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7719 * tree-ssa-dom.c (degenerate_phi_result): New function.
7720 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7721 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7722 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7723 (eliminate_degenerate_phis): Likewise.
7724 (pass_phi_only_cprop): New pass descriptor.
7725 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7726 support code. Callers updated.
7727 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7728 (store_copy_prop): Likewise.
7729 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7731 2006-03-20 Jason Merrill <jason@redhat.com>
7734 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7735 (push_visibility, pop_visibility): Likewise.
7736 * c-pragma.h: Declare them.
7738 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7740 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7742 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7743 parameter and use get_ebb_head_tail.
7744 (sh_md_init_global): Adjust uses of find_regmode_weight.
7746 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7748 * function.h (struct function) <x_tail_recursion_reentry>:
7749 Rename to x_stack_check_probe_note.
7750 (tail_recursion_reentry): Rename to stack_check_probe_note.
7751 * function.c: Replace tail_recursion_reentry with
7752 stack_check_probe_note everywhere.
7753 (expand_function_start): Only emit a note for
7754 stack_check_probe_note with -fstack-protect.
7755 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7757 * emit-rtl.c (remove_unnecessary_notes): Remove.
7758 (pass_remove_unnecessary_notes): Remove.
7759 * rtl.h (remove_unnecessary_notes): Remove prototype.
7760 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7761 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7762 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7764 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7767 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7768 (valid_in_set): Handle ARRAY_REF.
7769 Change "if min_variant or VH" to asserts.
7770 (create_component_ref_by_pieces): Handle ARRAY_REF.
7771 (create_expression_by_pieces): Likewise.
7772 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7774 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7776 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7777 is operand of switch, not str[0].
7779 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7781 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7782 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7784 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7786 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7787 end of insn_extra_address_constraint declaration.
7789 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7791 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7792 (no-sum-in-toc): Same.
7793 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7795 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7796 NO_FP_IN_TOC for -fPIC instead of mask.
7798 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7799 (BOOT_LDFLAGS): Delete.
7801 * config/rs6000/t-aix52: Same.
7803 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7804 (stmsi[345678]_power): New.
7806 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7808 * config/ia64/ia64.opt: Add empty line to end of file.
7810 2006-03-17 Richard Guenther <rguenther@suse.de>
7813 * builtins.c (get_pointer_alignment): For component style references
7814 adjust alignment to the component type alignment. Make sure
7815 to adjust alignment for component access of constants.
7817 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7819 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7822 2006-03-17 Paul Brook <paul@codesourcery.com>
7824 * doc/install.texi: Docuemnt --with-mode.
7825 * config.gcc: Add --with-mode for arm*-*-*.
7826 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7828 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7830 * sh.c (max_labelno_before_reorg): New variable.
7831 (sh_reorg): Initialize it.
7832 (find_barrier): Check max_labelno_before_reorg before using
7833 label_to_alignment. Take length of explicit alignment insns
7834 into account. When seeing a UNSPECV_CONST_END, return it.
7836 * sh.c (fixup_mova): Set mode of affected label to QImode.
7837 (untangle_mova): New function.
7838 (find_barrier): Use it. Check mode of label before decrementing
7840 (sh_reorg): Likewise.
7841 Set mode of all insns back to VOIDmode.
7843 * sh.c (MOVA_LABELREF): New macro.
7844 (mova_p, fixup_mova, sh_reorg): Use it.
7845 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7846 ADDR_DIFF_VEC matches mova.
7848 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7850 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7851 with ATTRIBUTE_UNUSED.
7853 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7855 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7856 pointer, instead of assuming it is possible to derive the
7857 correct args size from a call insn.
7859 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7861 * rtl.h (CONST_INT_P): Define.
7862 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7863 instead of GET_CODE(x) == CONST_INT.
7864 (vax_rtx_costs): Likewise.
7865 (vax_output_int_move): Likewise.
7866 (vax_output_int_add): Likewise.
7867 (legitimate_constant_address_p): Likewise.
7868 (index_term_p): Likewise.
7869 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7870 * config/vax/vax.md (and<mode>3): Likewise.
7871 (ashrsi3): Likewise.
7873 (movstricthi): Likewise.
7874 (movstrictqi): Likewise.
7875 (rotrsi3): Likewise.
7876 (five unnamed insns): Likewise.
7878 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7880 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7881 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7882 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7883 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7884 Pass to ASM_OUTPUT_DWARF_OFFSET.
7885 * dwarf2out.c (debug_frame_section): New.
7886 (output_call_frame_info): Use debug_frame_section. Pass it to
7887 dw2_asm_output_offset.
7888 (output_die): Pass appropriate section to dw2_asm_output_offset.
7889 (output_compilation_unit_header): Likewise.
7890 (output_pubnames): Likewise.
7891 (output_aranges): Likewise.
7892 (enum dw_val_class): Break dw_val_class_lbl_offset into
7893 dw_val_class_lineptr and dw_val_class_macptr.
7894 (add_AT_lbl_offset): Delete.
7895 (add_AT_lineptr): New.
7896 (add_AT_macptr): New.
7897 (AT_lbl): Expect a lineptr or macptr.
7898 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7899 (attr_checksum): Likewise.
7900 (same_dw_val_p): Likewise.
7901 (size_of_die): Likewise.
7902 (value_format): Likewise.
7903 (output_die): Likewise.
7904 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7906 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7907 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7908 * config/darwin-protos.h (darwin_file_start): New.
7909 (darwin_asm_output_dwarf_offset): New.
7910 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7911 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7913 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7914 if not EH section; simplify.
7915 (darwin_file_start): New.
7916 (darwin_asm_output_dwarf_offset): New.
7917 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7919 (DEBUG_INFO_SECTION): Likewise.
7920 (DEBUG_ABBREV_SECTION): Likewise.
7921 (DEBUG_ARANGES_SECTION): Likewise.
7922 (DEBUG_MACINFO_SECTION): Likewise.
7923 (DEBUG_LINE_SECTION): Likewise.
7924 (DEBUG_LOC_SECTION): Likewise.
7925 (DEBUG_PUBNAMES_SECTION): Likewise.
7926 (DEBUG_STR_SECTION): Likewise.
7927 (DEBUG_RANGES_SECTION): Likewise.
7928 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7929 (ASM_OUTPUT_DWARF_OFFSET): New.
7931 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7933 * config.gcc (tm_defines): Always add to previous value rather
7936 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7938 * config/mips/predicates.md (splittable_const_int_operand): New,
7939 split from move_operand.
7940 (splittable_symbolic_operand): New.
7941 (move_operand): Add commentary. Use splittable_const_int_operand.
7942 Inline mips_atomic_symbolic_constant_p.
7943 * config/mips/mips.md: Add combine splitters for handling moves
7944 of splittable_const_int_operands and splittable_symbolic_operands.
7945 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7946 (mips_split_symbol): Declare.
7947 (mips_move_integer): Declare.
7948 * config/mips/mips.c (mips_split_p): Make global.
7949 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7950 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7951 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7952 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7953 (mips_offset_within_object_p): Handle block symbols.
7954 (mips_atomic_symbolic_constant_p): Delete.
7955 (mips_cannot_force_const_mem): Return false for constants that
7956 mips_legitimize_move can handle.
7957 (mips_use_blocks_for_constant_p): New function.
7958 (mips_split_symbol): Make global.
7959 (mips_move_integer): Likewise. Add a temporary register argument.
7960 (mips_legitimize_const_move): Use splittable_const_int_operand and
7961 splittable_symbolic_operand.
7962 (mips_use_anchors_for_symbol_p): New function.
7963 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7964 (mips_split_p): Declare.
7966 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7968 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7969 (mips*-*-linux*): Likewise.
7971 2006-03-16 Roger Sayle <roger@eyesopen.com>
7972 Daniel Speyer <dspeyer@wam.umd.edu>
7975 * tree-dump.c (dump_real): New function.
7976 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7977 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7978 (tree-dump.o): Add $(REAL_H) to the dependencies.
7980 2006-03-16 Roger Sayle <roger@eyesopen.com>
7983 * real.c (real_from_string): If the mantissa is zero, don't bother
7984 parsing the exponent as the result should always be zero.
7986 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
7988 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
7990 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7992 * config/ia64/ia64.c (stops_p): Added explicit initialization.
7993 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
7994 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
7995 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
7996 ia64_sched_finish_global): New static functions to implement
7997 hooks from gcc_target.sched.
7998 (spec_check_no, max_uid, pending_data_specs): New static variables.
7999 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8000 ia64_spec_check_src_p): New static functions.
8001 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8002 (TARGET_SCHED_ADJUST_COST): Removed.
8003 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8004 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8005 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8006 TARGET_SCHED_GEN_CHECK,
8007 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8008 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8009 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8010 Fixed to handle speculation checks.
8011 (rtx_needs_barrier): Fixed to handle speculative loads and
8013 (ia64_variable_issue): Added code to count speculative loads and their
8015 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8017 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8019 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8021 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8022 (ia64_reorg): Reset stops_p to NULL after it is freed.
8023 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8024 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8025 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8027 (data_speculative, control_speculative, check_load): New attributes.
8028 (mov<mode>_advanced, mov<mode>_speculative,
8029 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8030 zero_extend<mode>di2_speculative,
8031 zero_extend<mode>di2_speculative_advanced): New patterns for
8032 data and control speculative loads.
8033 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8035 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8036 New pattern for data and control speculation checks.
8037 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8038 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8039 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8040 Auxiliary definitions for the patterns.
8041 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8042 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8044 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8046 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8047 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8048 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8049 New resource constraints.
8050 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8052 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8053 * config/ia64/ia64.opt (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): New flags to tune speculative
8060 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8061 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8062 msched-in-control-spec, msched-ldc, msched-control-ldc,
8063 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8064 msched-prefer-non-control-spec-insns,
8065 msched-count-spec-in-critical-path): Document new flags.
8067 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8069 * target.h (struct spec_info_def): New opaque declaration.
8070 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8071 speculate_insn, needs_block_p, gen_check,
8072 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8073 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8074 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8075 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8076 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8077 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8079 (TARGET_SCHED): Use new macros.
8080 * rtl.h (copy_DEPS_LIST_list): New prototype.
8081 * sched-int.h (struct sched_info): Change signature of new_ready field,
8082 adjust all initializations. New fields: add_remove_insn,
8083 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8084 region_head_or_leaf_p.
8085 (struct spec_info_def): New structure declaration.
8086 (spec_info_t): New typedef.
8087 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8088 recovery_block, orig_pat.
8089 (glat_start, glat_end): New variables declaraions.
8090 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8092 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8093 DETACH_LIFE_INFO, USE_GLAT.
8094 (enum SPEC_SCHED_FLAGS): New enumeration.
8095 (NOTE_NOTE_BB_P): New macro.
8096 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8097 attach_life_info, debug_spec_status, check_reg_live): New functions.
8098 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8099 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8101 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8102 * ddg.c (get_block_head_tail): Adjust all uses.
8103 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8104 (sms_sched_info): Initialize new fields.
8105 (contributes_to_priority): Removed.
8106 * haifa-sched.c (params.h): New include.
8107 (get_block_head_tail): Adjust all uses.
8108 (ISSUE_POINTS): New macro.
8109 (glat_start, glat_end): New global variables.
8110 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8111 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8112 old_last_basic_block, before_recovery, current_sched_info_var,
8113 rgn_n_insns, luid): New static variables.
8114 (insn_cost1): New function. Move logic from insn_cost to here.
8115 (find_insn_reg_weight1): New function. Move logic from
8116 find_insn_reg_weight to here.
8117 (reemit_notes, move_insn, max_issue): Change signature.
8118 (move_insn1): Removed.
8119 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8120 extend_bb): New static functions to support extension of scheduler's
8122 (generate_recovery_code, process_insn_depend_be_in_spec,
8123 begin_speculative_block, add_to_speculative_block,
8124 init_before_recovery, create_recovery_block, create_check_block_twin,
8125 fix_recovery_deps): New static functions to support
8126 generation of recovery code.
8127 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8128 restore_bb_notes, move_block_after_check, move_succs): New static
8129 functions to support ebb scheduling.
8130 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8131 functions to support handling of register live information.
8132 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8133 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8134 add_jump_dependencies): New static functions.
8135 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8136 consistancy checking.
8137 (debug_spec_status): New function to call from debugger.
8138 (priority): Added code to handle speculation checks.
8139 (rank_for_schedule): Added code to distinguish speculative instructions.
8140 (schedule_insn): Added code to handle speculation checks.
8141 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8142 Fixed to handle ebbs.
8143 (move_insn): Added code to handle ebb scheduling.
8144 (max_issue): Added code to use ISSUE_POINTS of instructions.
8145 (choose_ready): Added code to choose between speculative and
8146 non-speculative instructions.
8147 (schedule_block): Added code to handle ebb scheduling and scheduling of
8148 speculative instructions.
8149 (sched_init): Initialize new variables.
8150 (sched_finish): Free new variables. Print statistics.
8151 (try_ready): Added code to handle speculative instructions.
8152 * lists.c (copy_DEPS_LIST_list): New function.
8153 * sched-deps.c (extend_dependency_caches): New function. Move logic
8154 from create_dependency_caches to here.
8155 (get_dep_weak, ds_merge): Make global.
8156 * genattr.c (main): Code to output prototype for
8157 dfa_clear_single_insn_cache.
8158 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8159 (output_dfa_clean_insn_cache_func): Code to output
8160 dfa_clear_single_insn_cache function.
8161 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8163 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8165 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8166 New static variables.
8167 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8168 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8170 (ebb_sched_info): Initialize new fields.
8171 (get_block_head_tail): Adjust all uses.
8172 (compute_jump_reg_dependencies): Fixed to use glat_start.
8173 (schedule_ebb): Code to remove unreachable last block.
8174 (schedule_ebbs): Added code to update register live information.
8175 * sched-rgn.c (region_sched_info): Initialize new fields.
8176 (get_block_head_tail): Adjust all uses.
8177 (last_was_jump): Removed. Adjust users.
8178 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8179 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8180 Implement new hooks.
8181 (check_dead_notes1): New static function.
8182 (struct region): New fields: dont_calc_deps, has_real_ebb.
8183 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8184 (BB_TO_BLOCK): Fixed to handle EBBs.
8185 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8186 (ebb_head): New static variable.
8187 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8188 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8190 (compute_dom_prob_ps): New assertion.
8191 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8192 global_live_at_start.
8193 (init_ready_list): New assertions.
8194 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8195 (new_ready): Add support for BEGIN_CONTROL speculation.
8196 (schedule_insns): Fixed code that updates register live information
8198 (schedule_region): Fixed to handle EBBs.
8199 (init_regions): Use extend_regions and check_dead_notes1.
8200 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8201 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8202 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8203 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8204 TARGET_SCHED_GEN_CHECK,
8205 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8206 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8207 * doc/invoke.texi (max-sched-insn-conflict-delay,
8208 sched-spec-prob-cutoff): Document.
8210 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8212 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8213 inter_tick, queue_index.
8214 (struct sched_info): Change signature of init_ready_list field.
8215 Adjust all initializations.
8216 (RESOLVED_DEPS): New access macro.
8217 (ready_add): Remove prototype.
8218 (try_ready): Add prototype.
8219 * sched-rgn.c (init_ready_list): Use try_ready.
8220 (schedule_region): Initialize
8221 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8222 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8223 (init_ready_list): Use try_ready.
8224 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8225 * lists.c (remove_list_elem): Remove `static'.
8226 (remove_free_INSN_LIST_elem): New function.
8227 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8228 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8229 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8231 (readyp): New variable.
8232 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8233 change_queue_index, resolve_dep): New static functions.
8234 (try_ready): New function. Adjust callers in sched-rgn.c and
8235 sched-ebb.c to use it instead of ready_add.
8236 (clock_var): Move at the begining of file.
8237 (rank_for_schedule): Fix typo.
8238 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8239 (ready_lastpos): Enforce assertion.
8240 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8242 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8243 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8244 (queue_to_ready): Use free_INSN_LIST_list.
8245 (early_queue_to_ready): Fix typo.
8246 (schedule_block): Init readyp. Move init_ready_list call after the
8247 initialization of clock_var. Fix error in rejecting insn by
8248 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8249 that previously corrected INSN_TICKs. Add code for handling
8251 (set_priorities): Fix typo.
8252 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8253 Clarify comment and code that keeps current_sched_info->next_tail
8256 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8258 * sched-rgn.c (extend_rgns): New static function.
8259 (find_rgns): Use it.
8260 (gather_region_statistics, print_region_statistics): New static
8262 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8263 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8265 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8266 Andrey Belevantsev <abel@ispras.ru>
8268 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8269 * lists.c (unused_deps_list): New variable.
8270 (free_list): Add assertions to verify the proper distinguishing
8271 between INSN_LISTs and DEPS_LISTs.
8272 (find_list_elem, remove_list_elem, remove_list_node): New static
8274 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8275 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8276 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8277 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8279 (free_INSN_LIST_node): Likewise.
8280 * modulo-sched.c (current_sched_info): Initialize flags field.
8281 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8282 * rtl.def (DEPS_LIST): Define.
8283 * rtl.h: Declare new functions from lists.c.
8284 * sched-deps.c (spec_dependency_cache): New static variable.
8285 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8286 (add_dependence): Change return type to void. Move the logic to ...
8287 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8288 (delete_all_dependences): Add comment about forward_dependency_cache.
8289 Handle spec_dependency_cache. Handle DEPS_LISTs.
8290 (fixup_sched_groups): Clarify the change of priority of output
8291 and anti dependencies.
8292 (sched_analyze_2): Adjust add_dependence calls to create data
8293 speculative dependence.
8294 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8295 Adjust all callers. Handle DEPS_LISTS.
8296 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8297 presence of speculation.
8298 (init_dependency_caches, free_dependency_caches):
8299 Handle spec_dependency_cache.
8300 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8301 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8302 New static functions.
8303 (add_or_update_back_dep, add_or_update_back_forw_dep,
8304 add_back_forw_dep, delete_back_forw_dep): New functions.
8305 * sched-int.h (ds_t, dw_t): New typedefs.
8306 (struct sched_info): Add new field flags.
8307 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8308 Prototype new sched-deps.c functions.
8309 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8310 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8311 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8312 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8313 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8314 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8316 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8318 * sched-rgn.c (current_sched_info): Initialize flags field.
8319 (schedule_insns): Initialize current_sched_info before the sched_init
8321 * sched-ebb.c (current_sched_info): Initialize flags field.
8322 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8323 Call add_or_update_back_dep instead of add_dependence.
8324 Create control speculative dependencies.
8325 (schedule_insns): Initialize current_sched_info before the sched_init
8328 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8330 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8332 (sh_fallback_frame_state): Likewise.
8334 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8336 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8337 Do switch on default_use_cxa_atexit.
8338 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8339 * config/darwin-crt3.o: New.
8340 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8341 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8342 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8344 * config/rs6000/t-darwin: Move crt2.o building to here.
8345 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8346 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8349 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8351 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8352 from '! xxx' to '!xxx' for coding-style conformance.
8353 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8354 (EXTRA_CONSTRAINT): Likewise.
8355 * config/vax/vax.md (four unnamed insns): Likewise.
8357 2006-03-15 Paul Brook <paul@codesourcery.com>
8359 * config/arm/arm.c (minipool_pad): New.
8360 (add_minipool_forward_ref): Include pool alignment padding in address
8362 (push_minipool_fix): Set minipool_pad.
8363 (minipool_pad): Ditto.
8365 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8367 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8368 instead of GET_CODE() == MEM and REG_P() instead of
8370 (print_operand_address): Likewise.
8371 (vax_address_cost): Likewise.
8372 (vax_rtx_costs): Likewise.
8373 (vax_notice_update_cc): Likewise.
8374 (vax_output_int_add): Likewise.
8375 (INDEX_REGISTER_P): Likewise.
8376 (BASE_REGISTER_P): Likewise.
8377 (nonindexed_address_p): Likewise.
8378 (vax_mode_dependent_address_p): Likewise.
8379 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8380 (PRINT_OPERAND): Likewise.
8381 * config/vax/vax.md (ashlsi3): Likewise.
8382 (ashlsi3): Likewise.
8383 (some more unnamed insns): Likewise.
8385 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8387 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8388 iterator-style macro.
8389 (mark_control_dependent_edges_necessary): Update the use of
8390 EXECUTE_IF_CONTROL_DEPENDENT.
8392 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8394 * config/sh/predicates.md (cache_address_operand): Special.
8395 (ua_address_operand): Likewise.
8397 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8399 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8401 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8403 2006-03-15 Andreas Schwab <schwab@suse.de>
8405 * gensupport.c (identify_predicable_attribute): Don't free p_false
8406 when it is still in use.
8408 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8410 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8411 the default setting here.
8413 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8415 * tree-pass.h (pass_cfg): Remove.
8416 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8417 * passes.c (pass_cfg): Don't run it.
8419 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8421 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8422 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8424 (stack_regs_mentioned): Update the uses of
8425 stack_regs_mentioned_data. Don't access the array beyond its
8427 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8428 Don't include gt-reg-stack.h.
8430 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8431 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8433 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8436 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8439 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8441 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8443 2006-03-14 Richard Guenther <rguenther@suse.de>
8445 PR tree-optimization/26672
8446 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8449 2006-03-14 Richard Guenther <rguenther@suse.de>
8451 PR tree-optimization/26667
8452 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8453 node for the callees. Always allow inlining if it will shrink
8456 2006-03-14 Richard Guenther <rguenther@suse.de>
8459 * builtins.c (get_pointer_alignment): Prefer alignment
8460 information from decls over that from types.
8462 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8465 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8467 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8469 * config/rs6000/rs6000.opt (mdlmzb): New option.
8470 (msched-prolog, msched-epilog): Use Var not Mask.
8471 * doc/invoke.texi (-mdlmzb): Document.
8472 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8474 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8475 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8477 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8479 PR rtl-optimization/25739
8480 * bt-load.c (augment_live_range): Free tos pointer.
8482 * gensupport.c (identify_predicable_attribute): Free
8484 * gcov.c (create_file_names): Free name pointer.
8486 2006-03-13 Roger Sayle <roger@eyesopen.com>
8489 * stmt.c (emit_case_nodes): Handle the case where the index is a
8490 CONST_INT, where the comparison mode is specified by the index type.
8492 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8494 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8497 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8499 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8500 (*branch_fp_inverted): Likewise.
8502 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8505 * omp-low.c (expand_omp_for_generic): Mark istart0
8506 and iend0 as addressable.
8508 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8510 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8512 2006-03-13 Jeff Law <law@redhat.com>
8514 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8515 virtual operands are interesting.
8516 (vrp_visit_stmt): Corresponding changes.
8518 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8520 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8522 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8523 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8524 * config/bfin/crti.S: Use it instead of __PIC__.
8525 * config/bfin/crtn.S: Likewise.
8527 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8528 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8530 Lose 'G' modifier for call operand.
8531 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8532 recognize 'G' modifier.
8534 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8537 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8538 * stmt.c (expand_case): Likewise.
8540 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8542 PR rtl-optimization/26254
8543 * loop-invariant.c (seq_insns_valid_p): New function.
8544 (move_invariant_reg): Only emit new code if it is valid.
8546 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8548 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8550 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8551 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8552 (commit_one_edge_insertion): Do not look for loop notes.
8554 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8556 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8557 flag_test_coverage out of loop.
8559 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8561 * final.c (shorten_branches): Remove outdated comment, and turn
8562 the if branch that guards it to continue.
8564 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8566 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8567 * cfgloop.h (struct loop): Remove unused fields.
8569 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8571 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8572 (-dL, -fdump-rtl-loop2): Update the dump file names
8574 * doc/invoke.texi: Update dump file names.
8576 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8578 * predict.c (estimate_probability): Remove.
8579 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8580 * basic-block.h (estimate_probability): Remove prototype.
8581 * passes.c (finish_optimization_passes): Dump branch prediction or
8582 profiling heuristics to the .profile tree dump.
8583 (init_optimization_passes): Unqueue pass_branch_prob.
8585 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8587 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8589 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8590 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8592 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8594 * function.h (frame_offset_overflow): Declare.
8595 * function.c (frame_offset_overflow): New function.
8596 (assign_stack_local_1): Call it to detect that the offset overflows.
8597 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8599 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8601 * config/sh/sh.c: Include alloc-pool.h.
8602 (label_ref_list_pool): New alloc pool.
8603 (label_ref_list_t): New type for lists of labels.
8604 (struct pool_node): Make wend a label_ref_list_t.
8605 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8607 (dump_table): Likewise.
8608 (sh_reorg): Set up the alloc pool before using add_constant and
8609 dump_table, and destroy it when finishing.
8611 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8613 * config/mips/mips.c: Remove redundant comment.
8615 2006-03-10 Jason Merrill <jason@redhat.com>
8618 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8619 the target was declared 'register'.
8621 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8623 * genpreds.c (write_insn_constraint_len): Change definition of
8624 insn_constraint_len to return size_t to match the declaration.
8626 2006-03-10 DJ Delorie <dj@redhat.com>
8628 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8630 (m32c_expand_insv): Fix test for an AND mask.
8632 2006-03-10 Richard Guenther <rguenther@suse.de>
8635 * builtins.c (get_pointer_alignment): Handle component
8636 references for field alignment.
8638 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8640 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8641 when building with libgloss.
8642 (sh*elf): Implement --without-fp option.
8643 (sh64-superh-linux*): Don't multilib.
8645 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8647 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8649 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8651 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8652 Set it when one of the replacement functions returned true.
8653 Return TODO_cleanup_cfg if cfgchanged is true.
8654 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8656 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8658 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8659 instead of gen_lowpart.
8661 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8663 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8665 (mips_output_order_conditional_branch): Declare.
8666 * config/mips/mips.h (MIPS_BRANCH): New macro.
8667 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8668 for the comparison. Use gen_condjump.
8669 (mips_output_conditional_branch): Rework interface to take the
8670 asm templates for a direct branch and the inverse of a direct branch.
8671 (mips_output_order_conditional_branch): New function.
8672 (mips_builtin_branch_and_move): New function.
8673 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8674 branch condition. Use gen_single_cc as the condition for
8675 __builtin_mips_upper_* or __builtin_mips_lower_*.
8676 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8677 Use VOIDmode for the branch condition.
8678 * config/mips/predicates.md (order_operator): New predicate.
8679 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8680 (branch_fp): Rename to...
8681 (*branch_fp): ...this. Remove mode from comparison operator.
8682 Use new mips_output_conditional_branch interface.
8683 (branch_fp_inverted): Rename to...
8684 (*branch_fp_inverted): ...this and update as for *branch_fp.
8685 (*branch_zero<mode>): Rename to...
8686 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8687 Use mips_output_order_conditional_branch. Only accept ordered
8689 (*branch_zero<mode>_inverted): Rename to...
8690 (*branch_order<mode>_inverted): ...this and update as for
8691 *branch_order<mode>.
8692 (*branch_equality<mode>): Accept zero as the second operand to
8693 the equality operator. Use the new mips_output_conditional_branch
8695 (*branch_equality<mode>_inverted): Likewise.
8696 (condjump): New expander.
8697 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8699 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8700 (bc1any2t, bc1any2f): Likewise.
8701 (single_cc): New expander.
8702 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8704 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8706 * doc/md.texi: Update documentation of MIPS constraints.
8707 * config/mips/constraints.md: New file.
8708 * config/mips/mips.md: Include it.
8709 * config/mips/mips.c (mips_char_to_class): Delete.
8710 (override_options): Don't initialize mips_char_to_class.
8711 * config/mips/mips.h (mips_char_to_class): Delete.
8712 (REG_CLASS_FROM_LETTER): Delete.
8713 (CONST_OK_FOR_LETTER_P): Delete.
8714 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8715 (EXTRA_CONSTRAINT_Y): Delete.
8716 (EXTRA_CONSTRAINT_STR): Delete.
8717 (CONSTRAINT_LEN): Delete.
8718 (EXTRA_MEMORY_CONSTRAINT): Delete.
8720 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8722 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8723 original fn's eh regions.
8725 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8727 * fold-const.c (build_range_check): Make sure to use a valid type to
8728 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8731 (range_predecessor): New static function.
8732 (range_successor): Likewise.
8733 (merge_ranges): Use them to compute predecessors and successors of
8736 2006-03-09 Roger Sayle <roger@eyesopen.com>
8739 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8740 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8742 2006-03-08 DJ Delorie <dj@redhat.com>
8744 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8745 (addpsi3): Expand to include memory operands. Remove
8746 reload-specific splits.
8747 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8748 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8749 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8750 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8751 (shift1_qi, shift1_hi, insv): New.
8752 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8753 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8754 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8756 * config/m32c/m32c-protos.h: Update as needed.
8757 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8758 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8759 Fail for unrecognized R* constraints.
8760 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8761 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8762 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8764 (m32c_init_libfuncs): New.
8765 (m32c_legitimate_address_p): Add debug wrapper.
8766 (m32c_rtx_costs): New.
8767 (m32c_address_cost): New.
8768 (conversions): Add 'B' prefix.
8769 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8770 operands, or word regnames for QI operands. 'B' prints bit
8772 (m32c_expand_setmemhi): New.
8773 (m32c_expand_movmemhi): New.
8774 (m32c_expand_movstr): New.
8775 (m32c_expand_cmpstr): New.
8776 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8777 (m32c_expand_neg_mulpsi3): Handle non-ints.
8778 (m32c_cmp_flg_0): New.
8779 (m32c_expand_movcc): New.
8780 (m32c_expand_insv): New.
8781 (m32c_scc_pattern): New.
8782 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8783 a0/a1 out of SIregs.
8784 (STORE_FLAG_VALUE): New.
8785 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8788 * config/m32c/mov.md: Make constraints more liberal.
8789 (zero_extendqihi2): Optimize r0/r1 case.
8790 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8791 * config/m32c/predicates.md (m32c_any_operand): New.
8792 (m32c_nonimmediate_operand): New.
8793 (m32c_hl_operand): New.
8794 (m32c_r3_operand): New.
8797 (memsym_operand): New.
8798 (memimmed_operand): New.
8799 (a_qi_operand): New.
8800 (m32c_eqne_operator): New.
8801 (m32c_1bit8_operand): New.
8802 (m32c_1bit16_operand): New.
8803 (m32c_1mask8_operand): New.
8804 (m32c_1mask16_operand): New.
8805 * config/m32c/blkmov.md: New file.
8806 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8808 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8810 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8811 unsigned to fix signed/unsigned comparison issue in
8812 DWARF2_FRAME_REG_OUT.
8813 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8814 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8816 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8817 of ptr into the ENABLE_CHECKING section.
8819 2006-03-08 Jeff Law <law@redhat.com>
8821 * tree-vrp.c (infer_value_range): Only count pointer uses
8822 and dereferences if -fdelete-null-pointer-checks is enabled.
8824 * tree-vrp.c (find_assert_locations): Infer value ranges for
8825 single use pointers, but do not create ASSERT_EXPRs for them.
8826 When a non-null range is inferred for a pointer, backwards
8827 propagate that range to other equivalent pointers through the
8830 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8833 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8834 language hook targets.
8835 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8836 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8837 if language hook targets were missing.
8839 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8841 * tree-ssa-opfinalize.h: Removed.
8842 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8844 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8845 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8846 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8847 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8848 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8849 finalize_ssa_v_must_def_ops): New.
8851 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8853 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8856 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8858 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8860 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8861 addresses with offsets; reorganize.
8863 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8864 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8865 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8867 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8870 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8872 2006-03-08 Ben Elliston <bje@au.ibm.com>
8874 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8876 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8879 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8882 2006-03-07 Richard Guenther <rguenther@suse.de>
8884 PR tree-optimization/26587
8885 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8887 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8889 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8891 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8893 * hooks.c (hook_bool_mode_rtx_true): New function.
8894 * hooks.h (hook_bool_mode_rtx_true): Declare.
8895 * toplev.c (compile_file): Call output_shared_constant_pool.
8896 * varasm.c (shared_constant_pool): New variable.
8897 (assemble_start_function, assemble_end_function): Remove arguments
8898 from call to output_constant_pool.
8899 (create_constant_pool): New function, split out from...
8900 (init_varasm_status): ...here.
8901 (force_const_mem): Choose between the shared and per-function constant
8902 pools. Set current_function_uses_const_pool when reusing old entries
8903 as well as when creating new ones.
8904 (mark_constant): Ignore data argument.
8905 (mark_constants): Remove pool argument.
8906 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8907 to decide whether the function uses a constant pool.
8908 (output_constant_pool_contents): New function, split out from...
8909 (output_constant_pool): ...here.
8910 (output_shared_constant_pool): New function.
8911 (init_varasm_once): Initialize shared_constant_pool.
8912 * output.h (output_constant_pool): Delete.
8913 (output_shared_constant_pool): Declare.
8914 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8915 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8917 2006-03-06 Nick Clifton <nickc@redhat.com>
8919 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8920 flag_strength_reduce.
8922 2006-03-06 Ben Elliston <bje@au.ibm.com>
8924 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8925 x86_64-*-linux* configurations.
8927 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8928 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8930 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8932 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8934 * basic-block.h: Remove the extern for
8935 rediscover_loops_after_threading.
8937 * cfgloop.c (cancel_loop): Make it static.
8938 * cfgloop.h: Remove the prototype for cancel_loop.
8940 * flow.c (recompute_reg_usage): Make it static.
8941 * rtl.h: Remove the prototype for recompute_reg_usage.
8943 * function.c (use_return_register): Make it static.
8944 * function.h: Remove the prototype.
8946 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8948 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8950 * recog.h: Remove the prototype for
8951 validate_change_maybe_volatile.
8953 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8955 * rtlanal.c (replace_reg): Remove.
8956 * rtl.h: Remove the prototype for replace_reg.
8958 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8960 * regclass.c (reg_scan_update): Remove.
8961 (reg_scan_mark_refs): Remove the last argument.
8962 * rtl.h: Remove the prototype for reg_scan_update.
8964 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8966 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8967 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8968 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8969 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8970 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8971 loop-invariant.c, omp-low.c, opts.c, passes.c,
8972 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8973 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8974 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8975 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8976 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8977 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8979 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8981 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
8982 * dwarf2out.h: Remove the prototype for
8983 dwarf2out_add_library_unit_info.
8985 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8987 * tree.c (add_var_to_bind_expr): Remove.
8988 * tree.h: Remove the prototype for add_var_to_bind_expr.
8990 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8992 * regclass.c (n_non_fixed_regs): Remove.
8993 (init_reg_sets_1, globalize_reg): Remove all uses of
8995 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
8997 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8999 * rtlanal.c (insns_safe_to_move_p): Remove.
9000 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9002 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9004 * expmed.c (expand_mult_add): Remove.
9005 * expr.h: Remove the prototype for expand_mult_add.
9007 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9009 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9010 and REG_SAVED_VAL_EXP constants.
9011 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9012 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9013 Handle regs stored by value.
9014 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9015 (execute_cfa_program): Handle DW_CFA_val_offset,
9016 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9017 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9018 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9019 (uw_install_context_1): Handle target regs stored by value.
9021 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9023 * tree-sra.c (tree_sra): Return todoflags;
9024 (generate_one_element): Set TODO_update_smt_usage if needed.
9025 (pass_sra): Remove TODO_update_smt_usage.
9026 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9028 (tree_ssa_forward_propagate_single_use_vars): Return
9029 TODO_update_smt_usage if we need to update SMT usage.
9030 (pass_forwprop): Remove TODO_update_smt_usage.
9032 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9034 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9035 (correct_use_link): Remove reference to get_stmt_operands.
9036 (update_stmt_operands): Likewise.
9037 (get_modify_expr_operands): New function factored out of
9038 parse_ssa_operands and get_expr_operands.
9039 Try to create V_MUST_DEFs for LHS by default.
9040 (get_expr_operands) <case MODIFY_EXPR>: Call
9041 get_modify_expr_operands.
9042 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9043 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9044 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9045 get_modify_expr_operands.
9047 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9049 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9050 * tree-flow.h: Remove the prototype for
9051 referenced_var_lookup_if_exists.
9053 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9055 PR rtl-optimization/26345
9057 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9059 2006-03-03 Roger Sayle <roger@eyesopen.com>
9061 PR tree-optimization/26524
9062 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9063 fold_convert to create a constant of the appropriate type.
9065 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9067 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9068 SYMBOL_REF_IN_BLOCK_P.
9069 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9070 of SYMBOL_FLAG_IN_BLOCK.
9071 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9072 instead of SYMBOL_REF_IN_BLOCK_P.
9073 * explow.c (use_anchored_address): Likewise.
9074 * rtl.c (rtx_size): Likewise.
9075 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9076 instead of SYMBOL_FLAG_IN_BLOCK.
9077 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9078 SYMBOL_REF_IN_BLOCK_P.
9079 (assemble_variable): Likewise.
9080 (output_constant_def_contents): Likewise.
9081 (output_constant_pool): Likewise.
9082 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9083 instead of SYMBOL_FLAG_IN_BLOCK.
9084 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9085 SYMBOL_REF_IN_BLOCK_P.
9086 (SYMBOL_REF_BLOCK): Likewise.
9087 (SYMBOL_REF_OFFSET): Likewise.
9088 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9089 SYMBOL_REF_IN_BLOCK_P.
9090 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9091 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9092 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9093 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9095 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9097 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9099 2006-03-02 Roger Sayle <roger@eyesopen.com>
9101 * simplify-rtx.c (simplify_unary_operation): When simplifying
9102 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9103 that we perform the right shift in the appropriate mode, and
9104 then extend or truncate the result to requested mode.
9106 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9108 * gengtype.c (main): Handle double_int type.
9109 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9110 * double-int.c: New file.
9111 * double-int.h: New file.
9112 * system.h: Include doubleint.h.
9113 * Makefile.in (SYSTEM_H): Include double-int.h.
9114 (double-int.o): Add.
9116 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9119 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9122 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9124 * tree-vrp.c (remove_range_assertions): Do not update statements
9127 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9129 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9131 * gcse.c (rest_of_handle_gcse): Ditto.
9132 * except.c (gate_handle_eh): Ditto.
9133 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9134 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9136 2006-03-02 Eric Christopher <echristo@apple.com>
9138 * config/i386/i386.c (machopic_output_stub): Add indirection to
9141 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9145 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9147 Sun Niagara specific optimizations.
9148 * config.gcc: Recognize niagara as target.
9149 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9150 (TARGET_CPU_niagara): Define.
9151 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9152 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9153 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9154 (ASM_CPU_SPEC): Likewise.
9155 (PROCESSOR_NIAGARA): New enum entry.
9156 (REGISTER_MOVE_COST): Handle Niagara.
9157 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9158 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9159 (sparc_override_options): Recognize "niagara", set appropriate
9160 default MASK_* values for it, and align functions to 32-bytes
9161 by default just like ULTRASPARC/ULTRASPARC3.
9162 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9163 (sparc64_initialize_trampoline): Likewise.
9164 (sparc_use_sched_lookahead): Use zero for niagara.
9165 (sparc_issue_rate): Use one for niagara.
9166 * config/sparc/niagara.md: New file.
9167 * config/sparc/sparc.md: Include it.
9168 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9169 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9170 when default cpu is niagara.
9171 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9172 (ASM_CPU_SPEC): Likewise.
9173 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9174 when default cpu is niagara.
9175 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9176 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9177 just like v9/ultrasparc/ultrasparc3.
9178 * doc/invoke.texi: Add documentation for "niagara" and improve
9179 existing documentation for ultrasparc variants.
9181 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9183 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9185 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9187 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9188 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9189 and say that only one is needed.
9190 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9191 * target.h (have_switchable_bss_sections): New hook.
9192 * explow.c (use_anchored_address): Check that the symbol is in a block.
9193 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9194 (bss_noswitch_section): New variables.
9195 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9196 (get_noswitch_section): New function.
9197 (get_block_for_section): Allow SECT to be null.
9198 (unlikely_text_section_p): Use SECTION_STYLE.
9199 (bss_initializer_p): New function.
9200 (get_variable_section): Move earlier in file. Take a new argument,
9201 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9202 Return one of the new *_sections in such cases.
9203 (get_block_for_decl): New function, extracting some logic from
9204 use_blocks_for_decl_p.
9205 (change_symbol_section): Remove in favor of...
9206 (change_symbol_block): ...this new function.
9207 (use_blocks_for_decl_p): Remove checks now performed by
9209 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9210 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9211 (emit_local, emit_bss, emit_common): ...these new functions.
9212 Return true if the alignment was honored.
9213 (emit_tls_common): New function.
9214 (asm_emit_uninitialised): Delete.
9215 (assemble_variable_noswitch): New function, split out from...
9216 (assemble_variable): ...here. Don't make decisions about common
9217 variables here. Globalize all public decls that go into non-common
9218 sections. Check whether SYMBOL_REF_BLOCK is null.
9219 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9220 (output_constant_pool): Likewise.
9221 (init_varasm_once): Initialize the new section variables.
9222 (have_global_bss_p): New function.
9223 (categorize_decl_for_section): Use bss_initializer_p.
9224 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9225 (place_block_symbol): Assert that the symbol must be in a block.
9226 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9227 (TARGET_INITIALIZER): Include it.
9228 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9229 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9230 (SECTION_MACH_DEP): Bump by two.
9231 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9232 (unnamed_section): Mention SECTION_UNNAMED in comment.
9233 (named_section): Likewise SECTION_NAMED.
9234 (noswitch_section_callback): New type.
9235 (noswitch_section): New structure.
9236 (section): Add a noswitch_section alternative.
9237 (SECTION_STYLE): New macro.
9238 (tls_comm_section, comm_section, lcomm_section): Declare.
9239 (bss_noswitch_section, have_global_bss_p): Declare.
9240 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9241 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9243 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9244 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9247 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9249 * tree-vrp.c (execute_vrp): Return value.
9250 * regrename.c (rest_of_handle_regrename): Ditto.
9251 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9252 * tree-complex.c (tree_lower_complex): Ditto.
9253 (tree_lower_complex_O0): Ditto.
9254 * tracer.c (rest_of_handle_tracer): Ditto.
9255 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9256 * postreload.c (rest_of_handle_postreload): Ditto.
9257 * tree-tailcall.c (execute_tail_recursion): Ditto.
9258 (execute_tail_calls): Ditto.
9259 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9260 * tree.h (init_function_for_compilation): Ditto.
9261 * ipa-cp.c (ipcp_driver): Ditto.
9262 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9263 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9264 * final.c (compute_alignments): Ditto.
9265 (rest_of_handle_final): Ditto.
9266 (rest_of_handle_shorten_branches): Ditto.
9267 (rest_of_clean_state): Ditto.
9268 * omp-low.c (execute_expand_omp): Ditto.
9269 (execute_lower_omp): Ditto.
9270 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9271 * ipa-reference.c (static_execute): Ditto.
9272 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9273 * reorg.c (rest_of_handle_delay_slots): Ditto.
9274 (rest_of_handle_machine_reorg): Ditto.
9275 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9276 * flow.c (recompute_reg_usage): Ditto.
9277 (rest_of_handle_remove_death_notes): Ditto.
9278 (rest_of_handle_life): Ditto.
9279 (rest_of_handle_flow2): Ditto.
9280 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9281 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9282 (do_ssa_store_ccp): Ditto.
9283 (execute_fold_all_builtins): Ditto.
9284 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9285 * modulo-sched.c (rest_of_handle_sms): Ditto.
9286 * ipa-pure-const.c (static_execute): Ditto.
9287 * cse.c (rest_of_handle_cse): Ditto.
9288 (rest_of_handle_cse2): Ditto.
9289 * web.c (rest_of_handle_web): Ditto.
9290 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9291 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9292 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9293 * tree-nrv.c (tree_nrv): Ditto.
9294 (execute_return_slot_opt): Ditto.
9295 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9296 (create_structure_vars): Ditto.
9297 * loop-init.c (rtl_loop_init): Ditto.
9298 (rtl_loop_done): Ditto.
9299 (rtl_move_loop_invariants): Ditto.
9300 (rtl_unswitch): Ditto.
9301 (rtl_unroll_and_peel_loops): Ditto.
9302 (rtl_doloop): Ditto.
9303 * gimple-low.c (lower_function_body): Ditto.
9304 (mark_used_blocks): Ditto.
9305 * tree-ssa-sink.c (execute_sink_code): Ditto.
9306 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9307 (cgraph_early_inlining): Ditto.
9308 * global.c (rest_of_handle_global_alloc): Ditto.
9309 * jump.c (cleanup_barriers): Ditto.
9310 (purge_line_number_notes): Ditto.
9311 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9312 (rest_of_handle_if_after_reload): Ditto.
9313 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9314 (tree_ssa_loop_im): Ditto.
9315 (tree_ssa_loop_unswitch): Ditto.
9316 (tree_vectorize): Ditto.
9317 (tree_linear_transform): Ditto.
9318 (tree_ssa_loop_ivcanon): Ditto.
9319 (tree_ssa_empty_loop): Ditto.
9320 (tree_ssa_loop_bounds): Ditto.
9321 (tree_complete_unroll): Ditto.
9322 (tree_ssa_loop_prefetch): Ditto.
9323 (tree_ssa_loop_ivopts): Ditto.
9324 (tree_ssa_loop_done): Ditto.
9325 * predict.c (tree_estimate_probability): Ditto.
9326 * recog.c (split_all_insns_noflow): Ditto.
9327 (rest_of_handle_peephole2): Ditto.
9328 (rest_of_handle_split_all_insns): Ditto.
9329 * tree-eh.c (lower_eh_constructs): Ditto.
9330 * regmove.c (rest_of_handle_regmove): Ditto.
9331 (rest_of_handle_stack_adjustments): Ditto.
9332 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9333 * function.c (instantiate_virtual_regs): Ditto.
9334 (init_function_for_compilation): Ditto.
9335 (rest_of_handle_check_leaf_regs): Ditto.
9336 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9337 (rest_of_handle_gcse): Ditto.
9338 * ipa-type-escape.c (type_escape_execute): Ditto.
9339 * alias.c (rest_of_handle_cfg): Ditto.
9340 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9341 * profile.c (rest_of_handle_branch_prob): Ditto.
9342 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9343 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9344 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9345 * tree-dfa.c (find_referenced_vars): Ditto.
9346 * except.c (set_nothrow_function_flags): Ditto.
9347 (convert_to_eh_region_ranges): Ditto.
9348 (rest_of_handle_eh): Ditto.
9349 * emit-rtl.c (unshare_all_rtl): Ditto.
9350 (remove_unnecessary_notes): Ditto.
9351 * except.h (set_nothrow_function_flags): Ditto.
9352 (convert_to_eh_region_ranges): Ditto.
9353 * cfgexpand.c (tree_expand_cfg): Ditto.
9354 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9355 * tree-ssa-pre.c (do_pre): Ditto.
9356 (execute_fre): Ditto.
9357 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9358 (rest_of_handle_jump2): Ditto.
9359 * tree-sra.c (tree_sra): Ditto.
9360 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9361 (execute_mudflap_function_decls): Ditto.
9362 * tree-ssa-copy.c (do_copy_prop): Ditto.
9363 (do_store_copy_prop): Ditto.
9364 * ipa-prop.h (ipcp_driver): Ditto.
9365 * cfglayout.c (insn_locators_initialize): Ditto.
9366 * tree-ssa-forwprop.c
9367 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9368 * cfglayout.h (insn_locators_initialize): Ditto.
9369 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9370 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9371 (execute_late_warn_uninitialized): Ditto.
9372 * rtl.h (cleanup_barriers): Ditto.
9373 (split_all_insns_noflow): Ditto.
9374 (purge_line_number_notes): Ditto.
9375 (unshare_all_rtl): Ditto.
9376 (remove_unnecessary_notes): Ditto.
9377 (recompute_reg_usage): Ditto.
9378 (variable_tracking_main): Ditto.
9379 * integrate.c (emit_initial_value_sets): Ditto.
9380 * integrate.h (emit_initial_value_sets): Ditto.
9381 * tree-optimize.c (execute_free_datastructures): Ditto
9382 (execute_free_cfg_annotations): Ditto.
9383 (execute_fixup_cfg): Ditto.
9384 (execute_cleanup_cfg_pre_ipa): Ditto.
9385 (execute_cleanup_cfg_post_optimizing): Ditto.
9386 (execute_init_datastructures): Ditto.
9387 * tree-object-size.c (compute_object_sizes): Ditto.
9388 * combine.c (rest_of_handle_combine): Ditto.
9389 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9390 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9391 (rest_of_handle_reorder_blocks): Ditto.
9392 (rest_of_handle_partition_blocks): Ditto.
9393 * var-tracking.c (variable_tracking_main): Ditto.
9394 * tree-profile.c (tree_profiling): Ditto.
9395 * tree-vect-generic.c (expand_vector_operations): Ditto.
9396 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9397 * sched-rgn.c (rest_of_handle_sched): Ditto.
9398 (rest_of_handle_sched2): Ditto.
9399 * basic-block.h (free_bb_insn): Ditto.
9400 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9401 * tree-cfg.c (execute_build_cfg): Ditto.
9402 (remove_useless_stmts): Ditto.
9403 (split_critical_edges): Ditto.
9404 (execute_warn_function_return): Ditto.
9405 (execute_warn_function_noreturn): Ditto.
9406 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9407 * cfgrtl.c (free_bb_for_insn): Ditto.
9408 * passes.c (execute_one_pass): Run additional
9409 todos returned by execute function.
9410 * tree-pass.h (struct tree_opt_pass): Make execute
9413 2006-03-02 Richard Guenther <rguenther@suse.de>
9415 * tree-ssa-alias.c (find_used_portions): Consider taking
9416 the address as making the variable not write-only.
9418 2006-03-02 Nick Clifton <nickc@redhat.com>
9420 * config.gcc (default_use_cxa_atexit): Extend the description of
9421 this configure variable. Set its default value to "yes" for
9422 Linux, NetBSD and ELF targets on the assumption that they will
9423 use C libraries with the __cxa_atexit function.
9425 2006-03-02 Ben Elliston <bje@au.ibm.com>
9427 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9428 parameter as unused to suppress a build warning.
9430 2006-03-02 Ben Elliston <bje@au.ibm.com>
9432 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9435 2006-03-01 Roger Sayle <roger@eyesopen.com>
9438 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9439 declared name, the weak reference name, and the typeof name.
9440 (__gthrw): Avoid expanding the declared name suffix.
9441 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9443 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9445 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9447 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9448 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9449 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9450 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9451 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9452 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9453 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9454 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9455 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9456 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9457 (DW_END_default, DW_END_big, DW_END_little): New.
9458 (DW_END_lo_user, DW_END_hi_user): Define.
9459 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9460 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9461 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9464 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9466 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9468 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9470 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9472 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9474 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9475 to 'symbol_mem_tag'.
9477 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9480 2006-03-01 Roger Sayle <roger@eyesopen.com>
9482 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9484 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9487 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9488 MACHO_DYNAMIC_NO_PIC_P.
9489 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9491 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9494 * config/darwin-protos.h (darwin_asm_output_anchor):
9496 * config/darwin-sections.def (cstring_section):
9497 Add SECTION_MERGE to the flags.
9498 (literal4_section): Likewise.
9499 (literal8_section): Likewise.
9500 (objc_selector_refs_section): Likewise.
9501 (objc_cls_refs_section): Likewise.
9502 * config/darwin.c (darwin_asm_output_anchor): New
9504 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9506 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9508 Fix PR tree-optimization/26443
9509 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9510 to todo and PROP_tmt_usage to properties_destroyed.
9511 * tree-ssa-ccp.c (pass_ccp): Ditto.
9512 (pass_store_ccp): Ditto.
9513 * tree-ssa-dom.c (pass_dominator): Ditto.
9515 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9517 * tree-ssa-operands.c: Cleanup whitespace.
9518 (get_asm_expr_operands): Move before first invocation.
9519 (get_indirect_ref_operands): Likewise.
9520 (get_tmr_operands): Likewise.
9521 (get_call_expr_operands): Likewise.
9522 (append_def): Likewise.
9523 (append_use): Likewise.
9524 (append_v_may_def): Likewise.
9525 (append_v_must_def): Likewise.
9526 (add_call_clobber_ops): Likewise.
9527 (add_call_read_ops): Likewise.
9528 (add_stmt_operand): Likewise.
9529 (add_virtual_operand): Likewise.
9530 (build_ssa_operands): Likewise.
9532 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9537 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9538 with a call expr to ...
9539 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9541 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9543 * tree-vrp.c (extract_range_from_assert): Remove special
9544 handling for types with super-types.
9546 2006-03-01 Ben Elliston <bje@au.ibm.com>
9548 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9549 and powerpc64-*-linux* configurations.
9550 * config/t-dfprules: New file.
9552 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9553 Compile dfp-bit.c from the source directory using -DWIDTH and
9554 $DFP_CFLAGS to control the compilation of that file, rather than
9555 generating width-specific versions in the build directory.
9556 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9557 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9559 2006-02-28 Zack Weinberg <zackw@panix.com>
9561 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9564 2006-02-28 Eric Christopher <echristo@apple.com>
9566 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9567 Set up IN_LIBGCC definition of TARGET_64BIT.
9568 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9570 2006-02-28 Roger Sayle <roger@eyesopen.com>
9573 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9574 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9575 cases via the construction of "expr != 0".
9577 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9579 * alias.c (alias_invariant, alias_invariant_size): Remove.
9580 (record_base_value): Remove.
9581 (memrefs_conflict_p): Don't look at alias_invariant.
9582 (end_alias_analysis): Don't free it.
9583 * alias.h (record_base_value): Remove prototype.
9585 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9586 Adam Nemet <anemet@caviumnetworks.com>
9588 * rtl.h (truncated_to_mode): Declare it.
9589 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9590 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9591 (RTL_HOOKS_INITIALIZER): Include it.
9592 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9593 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9594 reg_truncated_to_mode.
9595 * rtlanal.c (truncated_to_mode): Define it.
9596 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9598 2006-02-28 Jeff Law <law@redhat.com>
9600 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9601 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9602 the range allowed by TYPE_PRECISION.
9604 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9606 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9608 PR tree-optimization/26419
9609 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9612 2006-02-27 Zack Weinberg <zackw@panix.com>
9614 * doc/md.texi: Fix typo in previous change.
9616 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9620 2006-02-27 Zack Weinberg <zackw@panix.com>
9622 * rtl.def (define_constraint, define_register_constraint)
9623 (define_memory_constraint, define_address_constraint): New MD forms.
9624 * gensupport.c (process_rtx): Put define_constraint etc on the
9626 * genpreds.c (process_define_predicate): Adjust comment. Validate
9627 the name, and call validate_exp to validate the expression.
9628 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9629 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9630 all callers changed.
9631 (validate_exp, needs_variable, struct constraint_data)
9632 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9633 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9634 (const_dbl_constraints, constraint_max_namelen)
9635 (have_register_constraints, have_memory_constraints)
9636 (have_address_constraints, have_address_constraints)
9637 (have_extra_constraints, have_const_int_constraints)
9638 (have_const_dbl_constraints, mangle, add_constraint)
9639 (process_define_constraint, process_define_register_constraint)
9640 (write_enum_constraint_num, write_lookup_constraint)
9641 (write_insn_constraint_len, write_regclass_for_constraint)
9642 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9643 (write_insn_extra_memory_constraint)
9644 (write_insn_extra_address_constraint)
9645 (write_satisfies_constraint_fns): New.
9646 (write_tm_preds_h): If we have new-style constraint definitions,
9647 prototype the functions generated from them, and define the
9648 old constraint interface (still used by generic code) in terms of
9650 (write_insn_preds_c): If we have new-style constraint definitions,
9651 generate all relevant functions from those definitions.
9652 (main): Handle define_constraint etc.
9653 * genoutput.c (struct constraint_data, indep_constraints)
9654 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9655 (mdep_constraint_len): New data structures and functions, defined
9656 #ifdef USE_MD_CONSTRAINTS.
9657 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9658 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9659 use new logic to validate operand constraints against constraint
9661 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9663 * defaults.h: If none of the old-style constraint macros are
9664 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9665 old-style macros; and poison REG_CLASS_FROM_LETTER,
9666 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9668 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9669 * doc/md.texi: Document new constraint-definition mechanism and the
9670 C interface it provides. Remove references to old mechanism
9671 elsewhere in the document.
9672 (Machine Constraints): Use pathnames relative to gcc directory,
9673 i.e. config/ARCH/FILE. Change i386 section to refer to
9674 config/i386/predicates.md; update that section to match docstrings.
9675 * doc/tm.texi: Move all documentation of the old constraint-
9676 definition macros to their own section, clearly mark as obsolete.
9678 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9679 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9681 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9682 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9683 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9685 (splits and peepholes): Use satisfies_constraint_*.
9686 * config/i386/i386.c (memory_address_length)
9687 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9689 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9691 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9692 scalar operation to be put back into the loop.
9694 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9697 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9698 (extract_cie_info): Handle S flag in augmentation string.
9699 (execute_cfa_program): If context->signal_frame, execute also
9700 fs->pc == context->ra instructions.
9701 (uw_frame_state_for): If context->signal_frame, don't subtract one
9702 from context->ra to find FDE.
9703 (uw_update_context_1): Set context->signal_frame to
9705 (_Unwind_GetIPInfo): New function.
9706 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9707 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9709 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9710 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9711 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9712 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9713 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9714 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9715 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9716 x86_64_fallback_frame_state): Set fs->signal_frame.
9717 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9718 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9719 (frob_update_context): Likewise. Workaround missing S flag in
9720 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9721 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9722 Remove the psw_addr + 1 hack.
9724 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9726 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9727 with aggregates here.
9728 (find_func_aliases): Remove code for &<aggregate> from here.
9730 2006-02-26 Roger Sayle <roger@eyesopen.com>
9732 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9733 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9734 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9737 2006-02-26 Roger Sayle <roger@eyesopen.com>
9740 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9742 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9744 * opts.c (decode_options): Do not handle flag_strength_reduce.
9745 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9746 and OPT_fstrength_reduce.
9747 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9748 flag_prefetch_loop_arrays for being nonzero.
9749 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9751 (fprefetch-loop-arrays-rtl): Removed.
9752 (flag_prefetch_loop_arrays): Do not specify the value.
9754 * doc/passes.texi: Update documentation of loop optimizer
9756 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9757 -frerun-loop-opt): Remove.
9759 2006-02-26 Richard Guenther <rguenther@suse.de>
9761 PR tree-optimization/26421
9762 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9763 in function calls that are ADDR_EXPRs as using the whole structure.
9765 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9767 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9768 * tree-pass.h (pass_loop_optimize): Remove.
9769 * passes.c (pass_loop_optimize): Never run it.
9770 * toplev.c (backend_init): Don't call init_loop.
9771 * opts.c (flag_loop_optimize_set): Remove.
9772 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9773 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9774 the old RTL loop optimizer when profiling enabled.
9775 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9776 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9777 pre-headers for the sake of the old RTL loop optimizer.
9778 * Makefile.in: Remove all references to loop.o.
9780 * doc/invoke.texi: Remove all references to -floop-optimize
9781 and -frerun-loop-opt.
9783 2006-02-26 Zack Weinberg <zackw@panix.com>
9785 * doc/md.texi (Machine Constraints): Refer to all files with paths
9786 relative to gcc directory (i.e. config/CPU/file). Add missing
9787 @table @code ... @end table to M32C subsection.
9789 2006-02-26 Roger Sayle <roger@eyesopen.com>
9791 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9793 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9795 2006-02-26 Roger Sayle <roger@eyesopen.com>
9796 James A. Morrison <phython@gcc.gnu.org>
9799 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9800 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9801 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9802 signedness of the shift operation.
9804 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9806 PR tree-optimization/26359
9807 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9809 2006-02-25 Roger Sayle <roger@eyesopen.com>
9811 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9812 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9813 as X == 0, and some symmetry related transformations.
9814 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9816 2006-02-25 Roger Sayle <roger@eyesopen.com>
9819 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9820 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9821 symmetry related transformations. Fold (X^C1) == C2 as
9824 2006-02-25 Juergen Weigert <jw@suse.de>
9825 Richard Guenther <rguenther@suse.de>
9827 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9829 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9831 * combine.c (gen_lowpart_or_truncate): Call
9832 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9834 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9836 * doc/invoke.texi: Move -fopenmp description to "Options for
9838 Remove reference to -lgomp.
9840 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9842 * doc/install.texi: Require GNU tar version 1.14.
9844 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9846 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9847 * doc/invoke.texi (C++ Dialect Options): Document
9848 -fno-use-cxa-get-exception-ptr.
9849 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9850 * configure: Regenerate.
9851 * c.opt (fuse-cxa-get-exception-ptr): New.
9852 * c-opts.c (c_common_handle_option): Handle
9853 OPT_fuse_cxa_get_exception_ptr.
9854 * c-common.c (flag_use_cxa_atexit): Update documentation.
9855 (flag_use_cxa_get_exception_ptr): New.
9856 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9857 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9859 (C_COMMON_OVERRIDE_OPTIONS): New.
9861 2006-02-24 Roger Sayle <roger@eyesopen.com>
9864 * combine.c (try_combine): Explicitly check whether GET_CODE is
9865 a SET or a CLOBBER, instead on checking that it isn't a USE.
9867 2006-02-24 Roger Sayle <roger@eyesopen.com>
9869 * fold-const.c (fold_comparison): New subroutine of fold_binary
9870 containing transformations common to both the equality and
9871 ordering relational operators, factored out of fold_binary.
9872 (fold_binary): Separate out the equality operators (EQ_EXPR
9873 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9874 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9875 transformations common to both.
9876 (fold_div_compare): Fix latent bugs in the previously unreachable
9877 LT_EXPR and GE_EXPR cases.
9879 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9881 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9882 decl libname for clog to __clog on AIX.
9884 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9886 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9889 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9890 output traceback table for thunks. Localise rs6000_stack_info call.
9892 2006-02-23 Roger Sayle <roger@eyesopen.com>
9893 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9895 * gthr-posix.h (__gthrw): Fix typo in comment.
9897 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9899 * doc/cpp.texi (Character sets): Document that we do support
9900 input files to be in any character set.
9902 2006-02-23 Jeff Law <law@redhat.com>
9904 * tree.h (PHI_ARG_NONZERO): Remove.
9905 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9906 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9907 node to the new node.
9909 PR tree-optimization/26425
9910 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9911 min/max, then assume its varying.
9913 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9915 PR rtl-optimization/26316
9916 * rtlanal.c (enum may_trap_p_flags): New.
9917 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9918 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9919 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9920 (may_trap_after_code_motion_p): New function.
9921 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9922 (find_invariant_insn): Use may_trap_after_code_motion_p.
9923 * rtl.h (may_trap_after_code_motion_p): Declare.
9925 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9927 * emit-rtl.c (immed_double_const): Cleanup.
9929 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9931 Fix PR tree-optimization/26376
9932 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9935 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9938 * gimplify.c (omp_add_variable): Guard variable size decl test with
9939 DECL_SIZE (decl) check.
9941 2006-02-23 Richard Guenther <rguenther@suse.de>
9944 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9945 like aggregate types.
9947 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9949 * configure.ac: Add --with{,out}-long-double-128 configure option.
9950 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9951 * configure: Rebuilt.
9952 * config.in: Rebuilt.
9953 * doc/install.texi (Options specification): Document
9954 --with-long-double-128.
9956 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9957 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9958 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9959 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9961 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9963 * config/s390/s390.c (override_options): Handle
9964 TARGET_DEFAULT_LONG_DOUBLE_128.
9966 * config/alpha/alpha.c (override_options): Handle
9967 TARGET_DEFAULT_LONG_DOUBLE_128.
9969 * config/sparc/sparc.c (sparc_override_options): Handle
9970 TARGET_DEFAULT_LONG_DOUBLE_128.
9972 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9974 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9975 (real-install-headers-tar, real-install-headers-cpio)
9976 (real-install-headers-cp): New targets.
9978 2006-02-22 Richard Sandiford <richard@codesourcery.com>
9980 * tree.h (variable_section): Delete.
9981 * varasm.c (variable_section): Delete.
9983 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
9985 * install.texi: Add notes on install.texi2html.
9986 (Building in parallel): Do not use footnotes.
9988 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
9991 * doc/install.texi (Configuration): Document --disable-libgomp.
9993 2006-02-21 Geoffrey Keating <geoffk@apple.com>
9995 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
9997 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
9999 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10000 (vec_extractv2df_0_sse): New.
10002 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10004 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10005 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10006 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10007 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10008 to the result of the expression.
10009 (def_cfa_1): Adjust.
10010 (frame_pointer_cfa_offset): Rename to...
10011 (frame_pointer_fb_offset): ... this. Adjust all uses.
10012 (convert_cfa_to_loc_list): Rename to...
10013 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10014 Pass it on to build_cfa_loc.
10015 (compute_frame_pointer_to_cfa_displacement): Rename to...
10016 (compute_frame_pointer_to_fb_displacement): ... this. New
10017 offset parameter. Use it in computation.
10018 (gen_subprogram_die): Compute cfa_fb_offset with the new
10019 macro, and use it to compute the fb loc list and the
10022 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10024 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10025 replaced with register_operand.
10026 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10027 non-DREG is expensive.
10028 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10029 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10032 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10034 * doc/install.texi2html: Use set -e.
10036 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10038 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10039 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10040 * doc/invoke.texi (-fshared-data): Delete.
10041 * common.opt (fshared-data): Delete.
10042 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10043 (assemble_static_space): Remove #if 0 code.
10044 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10045 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10046 * config/cris/cris.h: Remove FIXME.
10048 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10050 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10053 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10055 PR middle-end/26379
10056 * combine.c (simplify_shift_const_1): Disable nested shifts
10057 optimization for vector shifts.
10059 2006-02-20 Roger Sayle <roger@eyesopen.com>
10061 PR tree-optimization/26361
10062 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10063 of unsigned integer types.
10065 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10067 * tree-chrec.c (eq_evolutions_p): New.
10068 * tree-chrec.h (eq_evolutions_p): Declared.
10069 * tree-data-ref.c: Fix formatting.
10070 (datadep_stats, dependence_stats): New.
10072 (print_direction_vector): New.
10073 (dump_data_dependence_relation): Use print_direction_vector.
10074 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10075 (compute_subscript_distance): Static.
10076 (initialize_data_dependence_relation): Static. Get the number
10077 of loops surrounding the references from the callers, and initialize
10078 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10079 base_object_differ_p analyzers.
10080 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10081 compute_overlap_steps_for_affine_1_2,
10082 analyze_subscript_affine_affine): Count the classified dependences.
10083 Print a message when a test failed.
10084 (can_use_analyze_subscript_affine_affine): New.
10085 (analyze_siv_subscript): Compute the data dependences on symbolic
10086 scevs that verify can_use_analyze_subscript_affine_affine.
10087 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10088 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10089 Handle symbolic scevs.
10090 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10092 (subscript_dependence_tester): Moved...
10093 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10094 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10095 DDR_SIZE_VECT instead of getting it in parameter.
10096 (subscript_dependence_tester): ... here. Take as a parameter
10097 loop_nest_depth. Call build_classic_dist_vector and
10098 build_classic_dir_vector.
10099 (compute_affine_dependence): Update subscript_dependence_tester
10100 parameters. Update datadep_stats counters. Call
10101 compute_subscript_distance.
10102 (compute_self_dependence): Save the dist and dir vectors. Call
10103 compute_subscript_distance.
10104 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10105 (compute_all_dependences): Reorder parameters as they were before
10106 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10107 compute_subscript_distance. Update the use of
10108 compute_affine_dependence and initialize_data_dependence_relation.
10109 (find_data_references_in_loop): Handle COMPONENT_REF.
10110 (compute_data_dependences_for_loop): Initialize dependence_stats.
10111 Don't call build_classic_dist_vector and build_classic_dir_vector.
10112 Update the parameters of initialize_data_dependence_relation and
10113 compute_all_dependences. Print the statistics from datadep_stats.
10114 (analyze_all_data_dependences): Static. Not used until the pass for
10115 checking the data dependences is contributed.
10116 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10117 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10118 (initialize_data_dependence_relation, compute_affine_dependence,
10119 analyze_all_data_dependences, compute_subscript_distance): Removed.
10120 (print_direction_vector): New.
10121 * lambda.h (gcd): ... here.
10122 (lambda_vector_gcd): Moved here from gcd_vector.
10123 * lambda-code.c (gcd, gcd_vector): Removed.
10124 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10125 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10127 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10129 * ipa-type-escape.c: Tidy some comments and white space.
10130 * tree-ssa-operands.c: Likewise.
10132 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10135 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10136 (dump_decl_name): Do not walk the decl tree chains.
10137 * tree-pass.h (TDF_CHAIN): Remove.
10139 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10141 * Makefile.in (C): Remove
10143 (.PHONY): Remove C and PROTO
10145 2006-02-20 Roger Sayle <roger@eyesopen.com>
10147 PR middle-end/26236
10148 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10149 deprecated CHAR_TYPE tree code.
10151 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10153 * configure.ac (target_list): Add install-info, dvi, html.
10154 * configure: Regenerate.
10156 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10157 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10158 treelang/Make-lang.in: Do not use double-colon rules.
10160 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10162 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10163 (TMT_USED_ALONE): New macro.
10164 * tree-pass.h (PROP_tmt_usage): New property.
10165 (TODO_update_tmt_usage): New todo.
10166 * tree-ssa-alias.c (updating_used_alone): New variable.
10167 (recalculate_used_alone): New function.
10168 (compute_may_aliases): Set updating_used_alone, call
10169 recalculate_used_alone.
10170 * tree-sra.c (pass_sra): Note that this pass destroys
10171 PROP_tmt_usage, and add TODO_update_tmt_usage.
10172 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10173 * tree-flow.h (updating_used_alone): Prototype.
10174 (recalculate_used_alone): Ditto.
10175 * passes.c (execute_todo): Add code to set updating_used_alone,
10176 and call recalculate.
10177 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10178 for clobber if used alone, and add assert to verify used_alone
10181 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10183 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10184 for non tls symbols added.
10185 (legitimize_address): Do nothing for PLUS expressions if one of the
10186 addends is a tls symbol reference.
10188 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10192 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10194 * Makefile.in (BOOTSTRAPPING): New.
10195 (quickstrap): New definition if BOOTSTRAPPING=yes.
10197 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10198 * configure.ac: Substitute all_selected_languages with the languages
10199 that were configured. For all the other variables except
10200 lang_specs_files, include all the languages in the tree.
10201 * configure: Regenerate.
10203 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10204 if there is one. Run the commands to run fixincludes in the same
10207 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10208 * doc/install.texi: Document exact conventions for searching target tools.
10209 Document --with-build-time-tools. Document toplevel bootstrap. Document
10210 something more about building an Ada cross-compiler. Don't list GNU Make
10211 requirements which affect all platforms.
10213 2006-02-19 Roger Sayle <roger@eyesopen.com>
10215 PR middle-end/19543
10216 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10217 only equivalent if the have both the same mode and precision.
10219 2006-02-20 Ben Elliston <bje@au.ibm.com>
10221 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10223 2006-02-19 Roger Sayle <roger@eyesopen.com>
10224 Steven Bosscher <stevenb.gcc@gmail.com>
10226 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10227 constant pool references to identify stack mode constants.
10228 * rtlanal.c (constant_pool_constant_p): New predicate to check
10229 whether operand is a floating point constant in the pool.
10230 * rtl.h (constant_pool_constant_p): Prototype here.
10231 * loop.c (scan_loop): Avoid hoisting constants from the constant
10232 pool on STACK_REGS targets.
10233 (load_mems): Likewise.
10234 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10235 loads into x87 registers expensive in terms of register pressure.
10237 2006-02-19 Roger Sayle <roger@eyesopen.com>
10239 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10240 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10242 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10244 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10245 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10247 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10249 * doc/invoke.texi: Document -fipa-pta.
10250 * common.opt: Add ipa-pta option.
10251 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10252 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10253 (do_ds_constraint): Ditto.
10254 (get_constraint_for): Only add to referenced_vars if
10255 referenced_vars exists.
10256 (insert_into_field_list): Rewrite to do this unsorted.
10257 (insert_into_field_list_sorted): Rename old insert_into_field_list
10259 (create_function_info_for): Use insert_into_field_list_sorted.
10260 (create_variable_info_for): Rewrite so it uses unsorted version,
10261 since the field list is sorted.
10262 (intra_create_variable_infos): Only add to referenced_vars if
10263 referenced_vars exists.
10264 (ipa_pta_execute): Init heapvars, and delete when done.
10265 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10267 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10269 * doc/install.texi: Add missing `@samp'.
10271 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10273 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10276 2006-02-18 Mark Wielaard <mark@klomp.org>
10278 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10279 who added new 4.1 features, bug fixes and integration support.
10281 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10284 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10285 MEM for ABI_V4 pic.
10287 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10289 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10290 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10291 (copy_insn_1): Likewise. Don't copy each field individually.
10293 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10295 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10296 * rtl.c (rtx_size): Rename variable to...
10297 (rtx_code_size): ...this.
10298 (rtx_size): New function.
10299 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10300 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10302 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10303 * rtl.h (rtx_code_size): New variable.
10304 (rtx_size): Change from a variable to a function.
10305 (RTX_SIZE): Rename to...
10306 (RTX_CODE_SIZE): ...this.
10309 PR tree-optimization/17106
10310 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10311 (Anchored Addresses): New section.
10312 * doc/invoke.texi (-fsection-anchors): Document.
10313 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10314 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10315 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10316 * hooks.c (hook_bool_mode_rtx_false): New function.
10317 * hooks.h (hook_bool_mode_rtx_false): Declare.
10318 * gengtype.c (create_optional_field): New function.
10319 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10320 SYMBOL_REF_IN_BLOCK_P is true.
10321 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10322 (min_anchor_offset, max_anchor_offset): Likewise.
10323 (use_anchors_for_symbol_p): New hook.
10324 * toplev.c (compile_file): Call output_object_blocks.
10325 (target_supports_section_anchors_p): New function.
10326 (process_options): Check that -fsection-anchors is only used on
10327 targets that support it and when -funit-at-a-time is in effect.
10328 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10329 if the decl doesn't have one.
10330 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10331 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10332 of force_const_mem through use_anchored_address.
10333 (expand_expr_constant): New function.
10334 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10335 calling expand_expr for INDIRECT_REF.
10336 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10337 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10338 * expr.h (use_anchored_address): Declare.
10339 * loop-unroll.c: Don't declare rtx vectors here.
10340 * explow.c: Include output.h.
10341 (validize_mem): Call use_anchored_address.
10342 (use_anchored_address): New function.
10343 * common.opt (-fsection-anchors): New switch.
10344 * varasm.c (object_block_htab, anchor_labelno): New variables.
10345 (hash_section, object_block_entry_eq, object_block_entry_hash)
10346 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10347 (use_blocks_for_decl_p, change_symbol_section): New functions.
10348 (get_variable_section): New function, split out from assemble_variable.
10349 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10350 use_blocks_for_decl_p say so. Use change_symbol_section if the
10351 symbol has already been created.
10352 (assemble_variable_contents): New function, split out from...
10353 (assemble_variable): ...here. Don't output any code for
10354 block symbols; just pass them to place_block_symbol.
10355 Use get_variable_section and assemble_variable_contents.
10356 (get_constant_alignment, get_constant_section, get_constant_size): New
10357 functions, split from output_constant_def_contents.
10358 (build_constant_desc): Create a block symbol if use_object_blocks_p
10359 says so. Or into SYMBOL_REF_FLAGS.
10360 (assemble_constant_contents): New function, split from...
10361 (output_constant_def_contents): ...here. Don't output any code
10362 for block symbols; just pass them to place_section_symbol.
10363 Use get_constant_section and get_constant_alignment.
10364 (force_const_mem): Create a block symbol if use_object_blocks_p and
10365 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10366 (output_constant_pool_1): Add an explicit alignment argument.
10367 Don't switch sections here.
10368 (output_constant_pool): Adjust call to output_constant_pool_1.
10369 Switch sections here instead. Don't output anything for block symbols;
10370 just pass them to place_block_symbol.
10371 (init_varasm_once): Initialize object_block_htab.
10372 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10373 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10374 (place_block_symbol, get_section_anchor, output_object_block)
10375 (output_object_block_htab, output_object_blocks): New functions.
10376 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10377 (TARGET_ASM_OUT): Include it.
10378 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10379 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10380 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10381 (TARGET_INITIALIZER): Include them.
10382 * rtl.c (rtl_check_failed_block_symbol): New function.
10383 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10384 (block_symbol, object_block): New structures.
10385 (rtx_def): Add a block_symbol field to the union.
10386 (BLOCK_SYMBOL_CHECK): New macro.
10387 (rtl_check_failed_block_symbol): Declare.
10388 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10389 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10390 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10391 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10392 * output.h (output_section_symbols): Declare.
10393 (object_block): Name structure.
10394 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10395 (default_use_anchors_for_symbol_p): Declare.
10396 * Makefile.in (RTL_BASE_H): Add vec.h.
10397 (explow.o): Depend on output.h.
10398 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10399 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10400 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10401 (rs6000_use_blocks_for_constant_p): New function.
10403 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10405 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10407 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10410 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10413 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10415 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10419 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10421 PR middle-end/26334
10422 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10423 instead of DECL_REGISTER.
10425 2006-02-18 Olivier Hainque <hainque@adacore.com>
10428 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10430 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10433 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10434 * opth-gen.awk: Handle Var and InverseMask together.
10435 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10436 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10437 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10438 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10440 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10441 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10442 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10443 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10444 LINUX_DYNAMIC_LINKER): Define.
10445 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10446 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10448 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10449 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10450 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10451 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10452 (TARGET_C99_FUNCTIONS): Don't define.
10453 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10454 GLIBC_DYNAMIC_LINKER.
10455 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10456 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10457 GLIBC_DYNAMIC_LINKER64): Define.
10458 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10459 LINUX_DYNAMIC_LINKER64.
10460 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10461 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10462 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10463 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10464 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10465 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10466 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10467 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10468 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10469 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10470 and LINUX_DYNAMIC_LINKER32.
10471 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10472 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10473 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10474 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10475 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10477 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10478 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10479 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10480 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10481 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10482 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10483 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10484 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10485 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10486 LINUX_DYNAMIC_LINKER): Define.
10487 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10488 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10489 GLIBC_DYNAMIC_LINKER64): Define.
10490 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10491 LINUX_DYNAMIC_LINKER64.
10492 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10493 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10494 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10495 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10496 LINUX_DYNAMIC_LINKER): Define.
10497 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10498 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10499 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10500 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10501 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10502 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10503 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10504 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10505 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10506 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10507 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10508 * doc/invoke.texi (-muclibc): Remove caveat about supported
10511 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10513 * doc/cpp.texi (__TIMESTAMP__): Document.
10515 2006-02-17 Roger Sayle <roger@eyesopen.com>
10517 PR middle-end/25600
10518 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10519 C is one less than the width of X (and related transformations).
10520 * simplify-rtx.c (simplify_unary_operation_1): Transform
10521 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10522 depending on STORE_FLAG_VALUE, were C is one less then the
10525 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10527 Fix PR tree-optimization/26341
10528 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10529 about NAME_MEMORY_TAG's.
10531 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10534 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10535 with hardware float support, and software float support. Add fcpy
10536 alternative to hardware patterns. Add alternatives to copy between
10537 general and floating-point registers to the 32-bit pattern.
10538 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10539 secondary reload to load a QI or HI mode constant into a floating
10541 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10542 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10544 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10547 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10549 (load_macho_picbase_di): Likewise.
10551 2006-02-16 Jeff Law <law@redhat.com>
10553 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10554 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10555 (ssa_name_nonzero_p): Likewise.
10556 (get_value_range): Return NULL if VRP is not running.
10557 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10558 VRP routines do not discover a range.
10559 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10560 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10561 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10562 (tree_expr_nonnegative_p): Similarly.
10563 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10564 (restore_nonzero_vars_to_original_value): Remove.
10565 (unsafe_associative_fp_binop): Remove.
10566 (tree_ssa_dominator_optimize): Remove initialization and
10567 finalization of nonzero_vars and nonzero_vars_stack.
10568 (dom_opt_initialize_block): No longer push marker on
10569 nonzero_vars_stack.
10570 (dom_opt_finalize_block): No longer call
10571 restore_nonzero_vars_to_original_value.
10572 (record_equivalences_from_phis): No longer look for
10573 nonzero PHI arguments.
10574 (cprop_into_successor_phis): No longer propagate nonzero
10575 property into PHI arguments. Lose unused argument. Caller
10577 (record_equivalences_from_stmt): No longer record nonzero
10578 values for SSA_NAMEs.
10579 (lookup_avail_expr): No longer use nonzero_vars.
10581 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10582 for sizetype when sizetype is unsigned.
10584 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10586 PR rtl-optimization/25603
10587 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10588 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10589 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10590 with new meaning of SETS.
10592 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10597 * config/linux.opt: New file.
10598 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10599 LINUX_DYNAMIC_LINKER): Define.
10600 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10601 * config.gcc (*-*-linux*): Define extra_options.
10602 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10603 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10604 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10605 GLIBC_DYNAMIC_LINKER.
10606 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10607 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10608 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10609 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10610 * doc/invoke.texi (GNU/Linux Options): New section.
10612 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10614 * config/sparc/sparc.md (setjmp): Rewrite.
10615 (setjmp_32): Delete.
10616 (setjmp_64): Likewise.
10618 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10620 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10623 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10625 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10628 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10630 PR rtl-optimization/26296
10631 * Makefile.in (loop-invariant.c): Add except.h dependency.
10632 * loop-invariant.c: Include except.h.
10633 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10635 2005-02-16 Paul Brook <paul@codesourcery.com>
10637 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10640 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10642 PR rtl-optimization/25636
10643 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10644 when deciding whether an insn is an initializing insn.
10646 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10648 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10649 (tree_code_size): Ditto.
10650 * tree.h (struct tree_memory_tag): Remove parent_var.
10651 (struct tree_struct_field_tag): New.
10654 (union tree_node): Add sft member.
10655 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10657 (create_sft): Add size and offset argument, set SFT_OFFSET and
10659 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10660 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10661 * tree-flow-inline.h (get_subvar_at): Update for
10662 SFT_OFFSET/SFT_SIZE.
10663 (var_can_have_subvars): Ditto.
10664 (overlap_subvar): Ditto.
10665 * print-tree.c (print_node): Print out interesting things for
10667 * tree-flow.h (struct subvar): Remove offset and size members.
10668 * tree-ssa-operands.c (get_expr_operands): Update for
10669 get_indirect_ref_operands changes.
10670 (get_indirect_ref_operands): Call add_virtual_operand instead of
10671 add_stmt_operand. Only recurse on base var if requested.
10672 (access_can_touch_variable): New function.
10673 (add_stmt_operand): Split virtual operand handling into ...
10674 (add_virtual_operand): Here. Add offset, size, and for_clobber
10675 arguments. Prune alias sets.
10676 (add_call_clobber_ops): Call add_virtual_operand.
10678 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10680 PR middle-end/26300
10681 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10683 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10684 than TREE_CODE as index into omp_clause_num_ops array.
10686 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10688 PR rtl-optimization/26184
10689 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10691 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10692 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10693 must_precede, must_follow and tobe_scheduled.
10696 * opts.c (common_handle_option): Free new_option pointer.
10697 * df-core.c (df_analyze): Free postorder pointer.
10699 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10701 * Makefile.in: Fix the examples about the use of stamps
10703 2006-02-15 Michael Matz <matz@suse.de>
10705 PR middle-end/22275
10707 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10708 influenced by maximum_field_alignment or DECL_PACKED.
10709 (update_alignment_for_field): Ditto.
10710 (place_field): Ditto.
10711 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10714 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10716 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10717 (debug_flow_info): Pass it.
10718 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10719 * bb-reorder.c (reorder_basic_blocks): Likewise.
10720 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10721 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10722 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10723 * gcse.c (gcse_main, bypass_jumps): Likewise.
10724 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10725 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10726 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10727 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10728 * rtl.h (dump_flow_info): Adjust prototype.
10729 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10730 * var-tracking.c (variable_tracking_main): Likewise.
10731 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10732 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10735 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10737 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10740 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10742 PR tree-optimization/26209
10743 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10744 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10746 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10748 2006-02-14 Roger Sayle <roger@eyesopen.com>
10750 PR middle-end/23670
10751 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10752 (X,Y) and the corresponding symmetry related transformations.
10753 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10754 (X,Y) and its symmetry related transformations.
10756 2006-02-14 Roger Sayle <roger@eyesopen.com>
10758 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10761 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10763 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10765 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10768 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10769 support COMDAT group.
10770 * configure: Regenerate.
10772 2006-02-14 Roger Sayle <roger@eyesopen.com>
10774 PR middle-end/26279
10775 PR middle-end/26280
10776 PR middle-end/26283
10777 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10779 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10781 Fix PR tree-optimization/26260
10783 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10785 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10786 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10787 * tree-ssa-structalias.c (create_variable_info_for): Use
10788 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10790 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10792 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10794 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10795 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10796 of the ending condition.
10797 * tree-ssa-loop-manip.c: Include params.h.
10798 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10799 tree_unroll_loop): New functions.
10800 * tree-pass.h (pass_loop_prefetch): Declare.
10801 * loop.c (rest_of_handle_loop_optimize): Test for
10802 -fprefetch-loop-arrays-rtl.
10803 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10804 * timevar.def (TV_TREE_PREFETCH): New timevar.
10805 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10806 pass_loop_prefetch): New.
10807 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10808 (cleanup_tree_cfg_loop): Call scev_reset.
10809 * common.opt (fprefetch-loop-arrays-rtl): Add.
10810 * tree-ssa-loop-prefetch.c: New file.
10811 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10812 (new_temp_expr_table): Initialize expr_vars.
10813 (free_temp_expr_table): Cleanup expr_vars.
10814 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10815 expressions from being merged into one.
10816 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10817 (struct tree_niter_desc): Add control, bound and cmp fields.
10818 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10820 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10821 (tree-cfgcleanup.o): Add SCEV_H dependency.
10822 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10823 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10825 2006-02-14 Richard Guenther <rguenther@suse.de>
10827 PR tree-optimization/26258
10828 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10829 in PHI argument processing.
10831 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10833 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10834 new expression in the requested machine mode.
10836 2006-02-13 Roger Sayle <roger@eyesopen.com>
10838 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10839 directly, instead let do_compare_rtx_and_jump handle this for us.
10840 * expr.c (expand_expr_real_1): Likewise.
10841 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10842 before do_jump_by_parts_greater.
10843 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10844 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10846 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10848 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10850 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10852 PR rtl-optimization/26235
10853 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10854 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10857 2006-02-13 Jeff Law <law@redhat.com>
10859 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10862 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10864 PR middle-end/26092
10865 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10866 twice if decl is a builtin. When trying again, call get_callee_fndecl
10867 first to verify it is still a builtin.
10869 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10871 * dwarf2out.c (base_type_die): Don't add AT_name here.
10872 (subrange_type_die): Don't add AT_name here.
10873 (modified_type_die): Rearrange code flow. Do add AT_name here.
10875 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10877 PR rtl-optimization/26247
10878 PR rtl-optimization/26248
10879 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10881 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10883 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10884 * config/fixtfdi.c: Likewise.
10885 * config/fixunstfdi.c: Likewise.
10886 * config/floatditf.c: Likewise.
10888 2006-02-13 Roger Sayle <roger@eyesopen.com>
10890 PR middle-end/24427
10891 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10892 into (X,C2) if C1 is a subset of the bits of C2. Transform
10893 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10895 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10897 2006-02-13 Josh Conner <jconner@apple.com>
10900 * varasm.c (function_section): Check for section name before
10901 calling select_section on targets that define
10902 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10903 unlikely_text_section instead of hot_function_section if
10904 first_function_block_is_cold.
10906 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10908 PR middle-end/25335
10909 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10911 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10913 PR rtl-optimization/26222
10914 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10915 after tree->rtl expansion.
10916 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10917 before passing it to emit_move_insn.
10919 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10921 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10923 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10924 Clarify documentation.
10925 * c-common.h (warn_write_strings): Remove.
10926 * c-common.c (warn_write_strings): Likewise.
10927 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10930 2006-02-12 Roger Sayle <roger@eyesopen.com>
10932 PR middle-end/25724
10933 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10934 (do_jump_parts_zero_rtx): New function renamed from
10935 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10936 (do_jump_parts_equality_rtx): New function split out from
10937 do_jump_parts_equality. Old implementation renamed as above.
10938 Call do_jump_parts_zero_rtx if either operand is zero.
10939 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10940 do all of the heavy lifting.
10941 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10942 calling either do_jump_by_parts_greater_rtx or
10943 do_jump_by_parts_equality_rtx.
10944 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10945 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10946 moved to do_compare_rtx_and_jump, call it directly.
10947 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10948 mode argument. Call do_compare_rtx_and_jump.
10949 (emit_case_nodes): Update calls to do_jump_if_equal.
10951 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10953 PR rtl-optimization/26225
10954 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10956 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10958 PR rtl-optimization/26232
10959 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10961 2006-02-11 Jason Merrill <jason@redhat.com>
10964 * tree-inline.c (declare_return_variable): Just don't use the
10965 modify target if it's a gimple complex reg and the return slot
10968 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10970 * doc/contrib.texi: Update my entry.
10972 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10974 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10976 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10978 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
10981 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
10983 * doc/invoke.texi (-floop-optimize2): Removed.
10984 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
10985 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
10986 Test flag_branch_on_count_reg only if HAVE_doloop_end.
10987 * common.opt (floop-optimize2): Removed.
10988 (fmove-loop-invariants): Enabled by default.
10990 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
10992 * tree-if-conv.c (combine_blocks): Free the result of
10993 get_loop_exit_edges.
10995 2006-02-10 Jeff Law <law@redhat.com>
10997 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
10999 PR tree-optimization/26213
11000 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11001 loop trying to follow SSA_NAME_VALUE chains.
11003 2006-02-10 Richard Guenther <rguenther@suse.de>
11005 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11006 deal with structures that end in implicitly variable sized arrays.
11008 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11010 PR rtl-optimization/24762
11011 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11014 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11016 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11017 (struct ivopts_data): Add regs_used field.
11018 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11019 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11020 instead of loop_data->regs_used;
11021 (free_loop_data): Do not free aux fields for loops.
11022 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11023 and tree_ssa_iv_optimize_finalize.
11025 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11027 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11029 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11032 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11033 computing the effective result type.
11035 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11037 PR inline-asm/16194
11038 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11039 (tree_overlaps_hard_reg_set): Declare.
11040 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11041 type and signature to match function type expected by walk_tree.
11042 (tree_overlaps_hard_reg_set): New function.
11043 (decl_conflicts_with_clobbers_p): Rename to:
11044 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11045 Use tree_overlaps_hard_reg_set. Changed caller.
11046 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11047 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11048 * cris.c (cris_md_asm_clobbers): Likewise.
11050 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11052 * reload1.c (emit_input_reload_insns): Delete code that tries to
11053 inherit using find_equiv_reg.
11055 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11057 * c-common.h (flag_const_strings): Don't declare.
11058 * c-common.c (flag_const_strings): Remove.
11059 * c.opt (fconst_strings): Remove.
11060 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11061 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11062 (c_common_init_options): Don't set flag_const_strings.
11063 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11065 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11067 * arm.md (tlobits_cbranch): New pattern.
11068 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11069 testing a single bit.
11071 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11074 * tree-ssa-pre.c (create_component_ref_by_pieces):
11075 Handle RETURN_DECL like VAR_DECL.
11077 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11079 PR middle-end/26134
11080 * fold-const.c (fold_indirect_ref_1): Fold
11081 "*(foo *)&complexfoo" to "__real__ complexfoo"
11082 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11084 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11086 * tree-flow-inline.h (var_can_have_subvars):
11087 Volatile variables should not have subvariables.
11089 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11092 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11093 multiplying unsigned values.
11096 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11098 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11100 2006-02-08 Jason Merrill <jason@redhat.com>
11103 * tree.def: Elaborate on difference from MODIFY_EXPR.
11104 * doc/c-tree.texi (INIT_EXPR): Likewise.
11105 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11106 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11107 (gimplify_target_expr): Likewise.
11108 (gimplify_cond_expr): Remove target handling.
11109 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11110 (gimplify_expr): Clobber it here.
11111 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11112 Do return slot optimization if we have an INIT_EXPR.
11115 * tree-inline.c (declare_return_variable): Also clear
11116 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11119 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11121 PR middle-end/22439
11122 * gimplify.c (gimplify_one_sizepos): Fix typo.
11124 2006-02-08 Jeff Law <law@redhat.com>
11126 PR tree-optimization/21417
11127 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11128 across a backedge if the control statement at the end of the
11129 block is data dependent on other statements in the same block.
11130 (record_temporary_equivalences_from_stmts): Remove over-conservative
11131 test for threading across backedges.
11133 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11134 control statement, handle all three special cases in the same
11135 manner as they all have the same desired solution. No longer
11136 special case edge flag updating when the post dominator is
11139 2006-02-08 Roger Sayle <roger@eyesopen.com>
11141 * tree.def (CHAR_TYPE): Remove.
11142 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11143 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11144 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11145 (gen_string_type_die): Delete unreachable function.
11147 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11148 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11149 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11150 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11151 * builtins.c (type_to_class): Likewise.
11152 * fold-const.c (fold_convert, build_range_check,
11153 merge_ranges): Likewise.
11154 * expr.c (count_type_elements): Likewise.
11155 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11156 * stor-layout.c (layout_type): Likewise.
11157 * ipa-type-escape.c (type_to_consider): Likewise.
11158 * gimplify.c (omp_firstprivatize_type_sizes,
11159 gimplify_type_sizes): Likewise.
11160 * explow.c (promote_mode): Likewise.
11161 * tree-sra.c (is_sra_scalar_type): Likewise.
11162 * varasm.c (output_constant): Likewise.
11163 * tree-inline.c (remap_type_1): Likewise.
11164 * convert.c (convert_to_pointer, convert_to_real,
11165 convert_to_integer, convert_to_complex): Likewise.
11167 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11169 * df-scan.c (df_def_record_1): A set destination may
11170 be a parallel regardless of mode.
11172 2006-02-08 Roger Sayle <roger@eyesopen.com>
11175 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11176 * config/mips/_tilib.c: Remove.
11177 * config/fixtfdi.c: New libgcc source file.
11178 * config/fixunstfdi.c: New source file.
11179 * config/floatditf.c: New source file.
11180 * config/floatunditf.c: New souce file.
11181 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11182 files above instead of config/mips/_tilib.c.
11183 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11185 2006-02-08 Jeff Law <law@redhat.com>
11187 PR tree-optimization/26169
11188 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11191 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11193 * df.h (DF_REG_SIZE): Return the length of the initialized
11196 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11198 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11199 __muldf3): Return a correctly signed zero.
11201 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11203 * passes.c (register_one_dump_file): Accept the current properties
11204 instead of pass number. Adjust call to dump_register. Remove
11206 (register_dump_files): Now a wrapper around...
11207 (register_dump_files_1): ... this one. Do not modify the pass
11209 (next_pass_1): Cosmetic fix.
11210 (execute_todo): Keep second parameter only. Use curr_properties
11211 instead of fetching it from the pass structure. Check and set
11213 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11214 instead of fetching it from the pass structure. Fix calls to
11215 execute_todo. Update curr_properties and initialize .vcg RTL dump
11216 after running the pass. Reset last_verified.
11217 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11219 (FIRST_AUTO_NUMBERED_DUMP): New.
11220 (dump_register): Remove "num" parameter, assign it within the
11222 (get_dump_file_name): Modify template for dumps.
11223 * tree-dump.h (dump_register): Adjust prototype.
11224 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11225 (PROP_trees): Add PROP_gimple_lomp.
11226 (TODO_set_props): New.
11227 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11228 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11229 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11231 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11233 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11234 (sparc64-*-linux*): Likewise.
11235 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11236 * config/sparc/t-linux: New file.
11237 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11238 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11239 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11240 -m32 -mlong-double-128.
11242 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11243 * config/alpha/t-linux: New file.
11244 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11246 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11247 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11248 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11249 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11250 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11251 (CPP_ARCH32_SPEC): Remove.
11253 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11255 PR tree-optimization/26145
11256 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11259 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11262 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11263 >= 240000 when generating code for SOM runtime.
11264 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11265 to $$dyncall when generating code for SOM runtime..
11267 2006-02-07 Dirk Mueller <dmueller@suse.com>
11270 * doc/invoke.texi (-Wsequence-point): Update documentation
11271 that -Wsequence-point is implemented for C++ as well.
11273 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11275 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11276 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11277 (LIB_SPEC): Likewise.
11278 * doc/invoke.texi (SPARC options): Document -pthread.
11280 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11282 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11285 2006-02-07 Roger Sayle <roger@eyesopen.com>
11287 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11288 Correct comment describing BOOLEAN_TYPE.
11290 2006-02-07 Dirk Mueller <dmueller@suse.com>
11292 * c.opt: C++ frontend supports -Wdiv-by-zero.
11293 * c-opts.c (c_common_handle_option): Remove dead case.
11295 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11297 * configure.ac (TLS assembler check): Do not enable TLS by
11298 default on SPARC/Solaris before version 10.
11299 * configure: Regenerate.
11301 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11303 * doc/invoke.texi (xl-compat): Document conversion and support
11306 2006-02-07 Jeff Law <law@redhat.com>
11308 * tree-vrp.c (find_conditional_asserts): Update comments.
11309 (simplify_stmt_for_jump_threading): New.
11310 (identify_jump_threads, finalize_jump_threads): New.
11311 (vrp_finalize): Call identify_jump_threads.
11312 (execute_vrp): Call finalize_jump_threads.
11313 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11314 (vrp_element, vrp_data, vrp_element_p): Remove.
11315 (vrp_hash_elt, vrp_variables_stack): Remove.
11316 (vrp_hash, vrp_eq, record_range): Remove.
11317 (simplify_cond_and_lookup_avail_expr): Remove.
11318 (extract_range_from_cond): Remove.
11319 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11320 (simplify_stmt_for_jump_threading): New.
11321 (dom_thread_across_edge): New wrapper.
11322 (tree_ssa_dominator_optimize): No longer initialize or
11323 finalize any of the VRP datastructures. Remove iteration
11324 step and simplify as a result of removal of iteration step.
11325 (pass_dominator): Perform a cfg cleanup after DOM.
11326 (dom_opt_finalize_block): Use the new common routines
11327 for threading jumps. Simplify stack management slightly.
11328 No longer need to unwind VRP state.
11329 (record_equivalences_from_incoming_edge): No longer record
11331 (eliminate_redundant_computations): No longer call
11332 simplify_cond_and_lookup_avail_expr.
11333 * tree-flow.h (potentially_threadable_block): Prototype.
11334 (thread_across_edge): Likewise.
11335 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11336 (tree-ssa-threadedge.o): Add dependencies.
11337 * tree-ssa-threadedge.c: New file.
11338 * passes.c (init_optimization_passes): Merge PHIs before
11339 calling VRP. Run VRP again late in the SSA optimization pipeline.
11341 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11343 * df-core.c (df_set_blocks): Do not dereference function pointers.
11344 (df_finish1): Likewise.
11345 (df_hybrid_search_forward): Likewise.
11346 (df_hybrid_search_backward): Likewise.
11347 (df_iterative_dataflow): Likewise.
11348 (df_analyze_problem): Likewise.
11349 (df_compact_blocks): Likewise.
11350 (df_dump): Likewise.
11351 * df-scan.c (df_rescan_blocks): Likewise.
11352 (df_record_entry_block_defs): Likewise.
11354 * genconditions.c (write_conditions): Guard the definition of
11355 'insn_conditions' with the check on GCC version.
11356 (write_writer): Guard the traversal 'insn_conditions' with
11357 the check on GCC version.
11359 2006-02-07 Richard Guenther <rguenther@suse.de>
11363 2006-01-30 Richard Guenther <rguenther@suse.de>
11365 * gimplify.c (gimplify_target_expr): Handle easy cases
11366 without creating a temporary.
11368 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11370 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11371 use of float in probability computations. Use edge probabilities
11372 in place of statically computed probabilities.
11373 (min_spec_prob): New static variable.
11374 (schedule_insns): Initialize it.
11375 (GET_SRC_PROB): Removed.
11376 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11378 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11381 * config/ia64/unwind-ia64.c: Revert last change.
11382 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11383 (INCOMING_FRAME_SP_OFFSET): Define.
11385 2006-02-06 Roger Sayle <roger@eyesopen.com>
11387 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11389 2006-02-07 Ben Elliston <bje@au.ibm.com>
11391 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11392 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11393 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11394 (ix86_return_in_memory): Handle TDmode.
11395 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11396 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11398 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11400 * reorg.c (dbr_schedule): Use dump_file instead of file.
11402 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11405 * config/ia64/predicates.md (extr_len_operand): New predicate.
11406 * config/ia64/ia64.md (extv): Tighten constraints.
11408 (*tbit_and_2): Ditto.
11409 (*tbit_and_3): Ditto.
11410 (*tbit_or_2): Ditto.
11411 (*tbit_or_3): Ditto.
11412 (*bit_zero): Ditto.
11415 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11418 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11420 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11422 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11423 loop_optimizer_init and loop_optimizer_finalize
11424 * tree-ssa-sink.c (execute_sink_code): Ditto.
11425 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11426 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11427 tree_ssa_loop_done): Ditto.
11428 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11429 * sched-ebb.c: Include output.h.
11430 (schedule_ebbs): Do not use dump argument.
11431 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11432 * loop.c (loop_dump_stream): Removed.
11433 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11435 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11436 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11437 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11438 loop_iterations, strength_reduce, record_biv, record_giv,
11439 final_giv_value, check_final_value, check_ext_dependent_givs,
11440 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11441 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11442 dump_file instead of loop_dump_stream.
11443 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11444 argument dump_file.
11445 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11447 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11448 * haifa-sched.c: Include output.h
11449 (schedule_insns, sched_init): Do not use dump argument.
11450 * mode-switching.c (optimize_mode_switching): Ditto.
11451 * modulo-sched.c (stats_file): Removed.
11452 (print_node_sched_params): Do not call argument dump_file.
11453 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11454 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11456 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11458 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11459 rtl_loop_init, rtl_loop_done): Ditto.
11460 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11461 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11463 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11464 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11465 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11466 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11467 * emit-rtl.c (renumber_insns): Ditto.
11468 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11469 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11470 * regclass.c (regclass): Ditto.
11471 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11472 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11473 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11474 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11476 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11477 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11479 * gcse.c (gcse_file, debug_stderr): Removed.
11480 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11481 rest_of_handle_gcse): Do not use dump argument.
11482 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11483 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11484 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11485 compute_code_hoist_vbeinout, compute_code_hoist_data,
11486 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11487 compute_store_table, build_store_vectors, insert_insn_start_bb,
11488 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11489 store_motion): Use dump_file instead of gcse_file.
11490 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11491 * profile.c (profile_dump_file): Removed.
11492 (branch_prob): Use dump_file instead of profile_dump_file.
11493 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11495 * tree-ssa-copy.c (dump_copy_of): Ditto.
11496 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11497 dump file to life_analysis.
11498 * bt-load.c (branch_target_load_optimize): Ditto.
11499 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11501 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11502 regclass, dbr_schedule): Declaration changed.
11503 * sched-int.h (sched_init): Declaration changed.
11504 * tree-profile.c (tree_profile_dump_file): Removed.
11505 (tree_profile_hooks): Removed profile_dump_file hook.
11506 * rtl-profile (rtl_profile_dump_file): Removed.
11507 (rtl_profile_hooks): emoved profile_dump_file hook.
11508 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11510 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11511 * tree-cfg.c (build_tree_cfg): Ditto.
11512 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11513 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11514 Declaration changed.
11515 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11516 life_analysis and schedule_insns.
11517 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11519 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11521 * config/mips/mips.c (mips_reorg): Ditto.
11522 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11525 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11527 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11528 (s390_mangle_fundamental_type): New.
11529 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11532 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11533 (alpha_mangle_fundamental_type): New.
11534 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11537 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11539 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11541 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11542 (sparc_mangle_fundamental_type): New.
11544 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11546 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11547 (s390x-*-linux*): Likewise.
11548 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11549 * config/s390/t-linux: New file.
11551 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11553 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11554 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11556 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11558 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11559 (ANTIC_SAFE_LOADS): New macro.
11560 (find_or_generate_expression): Add prototype.
11561 (set_contains_value): Allow null set for sake of not always having
11562 to allocate ANTIC_SAFE_LOADS.
11563 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11564 Allow COMPONENT_REF too.
11565 (valid_in_set): Allow COMPONENT_REF.
11566 Check ANTIC_SAFE_LOADS too.
11567 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11568 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11570 (can_PRE_operation): Add COMPONENT_REF.
11571 (create_component_ref_by_pieces): New function.
11572 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11573 (insert_aux): Move AGGREGATE_TYPE_P check here.
11574 (compute_avail): Set bb local stmt uids.
11575 (pass_pre): Use TODO_update_ssa_only_virtuals.
11577 2006-02-06 Ben Elliston <bje@au.ibm.com>
11579 * configure.ac: Unconditionally disable decimal float by default.
11580 * configure: Regenerate.
11582 2006-02-06 Ben Elliston <bje@au.ibm.com>
11584 * read-rtl.c (read_name): Terminate reading on EOF.
11586 2006-02-06 Ben Elliston <bje@au.ibm.com>
11588 * dfp.c (decimal_real_arithmetic): Change second argument type
11589 from int to enum tree_code. Do not always return true, but now
11590 return result of any call to decimal_do helper functions.
11591 * dfp.h (decimal_real_arithmetic): Update prototype.
11593 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11595 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11597 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11600 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11603 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11605 * tree-vrp.c (cfg_loops): Removed.
11606 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11607 Use current_loops instead of cfg_loops. Pass flags to
11608 loop_optimizer_init.
11609 * cfgloopmanip.c (fix_loop_structure): Update only available
11611 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11612 loop_optimizer_init.
11613 * modulo-sched.c (build_loops_structure): Removed.
11614 (sms_schedule): Use loop_optimizer_init.
11615 * loop-init.c (loop_optimizer_init): Use flags to determine
11616 which properties of loops to prepare.
11617 (rtl_loop_init): Pass flags to loop_optimizer_init.
11618 * tree-ssa-sink.c (execute_sink_code): Ditto.
11619 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11620 * tree-ssa-pre.c (init_pre): Ditto.
11621 * cfgloop.h (LOOPS_NORMAL): New.
11622 (loop_optimizer_init): Declaration changed.
11624 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11626 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11627 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11629 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11631 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11633 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11634 * pa/t-pa64: Delete quadlib.c rule.
11635 * pa/x-ada: Revert last change.
11636 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11638 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11640 PR rtl-optimization/26087
11641 * rtlanal.c (canonicalize_condition): Do not cross basic block
11644 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11647 * config/ia64/ia64.c: Include debug.h.
11648 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11649 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11650 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11651 (process_epilogue, process_set, process_for_unwind_directive):
11652 Output unwind info only if requested. Add CFA info if requested.
11653 Add new arguments as needed. Adjust callers.
11654 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11656 (DWARF2_FRAME_INFO): Define to zero.
11657 * config/ia64/unwind-ia64.c: Remove code that compensated for
11658 the CFA offset error fixed above.
11659 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11660 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11661 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11662 -funwind-tables and -fexceptions to enable frame info.
11663 (dwarf2out_frame_init): Define initial CFA even if
11664 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11665 DWARF2_UNWIND_INFO is nonzero, not just defined.
11666 (dwarf2out_frame_finish): Output non-EH call frame info only
11667 if DWARF2_FRAME_INFO is nonzero.
11668 (convert_cfa_to_loc_list,
11669 compute_frame_pointer_to_cfa_displacement): Define even if
11670 unwind info is not supported.
11671 (gen_subprogram_die): Use the above unconditionally. Remove
11672 legacy alternate code.
11673 * toplev.c (compile_file): Compile in call to
11674 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11675 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11677 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11678 Jakub Jelinek <jakub@redhat.com>
11680 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11681 IBM extended float format long double as "g" on powerpc*-linux.
11683 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11686 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11687 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11689 2006-02-03 Jason Merrill <jason@redhat.com>
11692 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11694 PR middle-end/25977
11695 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11696 on the return slot if it's an NRV.
11698 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11700 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11701 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11702 rewrite_use): Do not handle USE_OUTER.
11703 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11704 add_iv_outer_candidates, may_replace_final_value,
11705 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11706 (find_interesting_uses_op): Functionality of
11707 find_interesting_uses_outer_or_nonlin moved here.
11708 (find_interesting_uses_outside): Use find_interesting_uses_op.
11710 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11713 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11715 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11716 Ulrich Weigand <uweigand@de.ibm.com>
11719 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11720 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11721 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11722 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11724 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11725 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11726 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11727 Define secondary reloads for TFmode moves.
11728 (constant_modes): Add TFmode.
11729 (NR_C_MODES): Set to 8.
11730 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11732 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11733 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11734 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11735 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11736 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11737 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11738 (FPR mode macro): Add TFmode.
11739 (DSF mode macro): New.
11740 (<de>, <dee> mode attributes): Removed.
11741 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11742 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11743 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11744 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11745 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11746 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11747 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11748 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11749 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11750 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11751 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11752 "*negabs<mode>2", "sqrt<mode>2"):
11753 Changed <de> to <xde>. R constraint replaced by <Rf>.
11754 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11756 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11757 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11758 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11760 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11761 "extenddftf2", "extendsftf2"): New expanders.
11762 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11763 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11764 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11765 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11767 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11768 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11769 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11770 __floatditf): Add a GCC_4.1.0 symbol version tag.
11771 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11774 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11777 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11778 Use targetm.binds_local_p instead of TREE_PUBLIC.
11780 2006-02-02 Roger Sayle <roger@eyesopen.com>
11782 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11783 on INTEGER_TYPEs to indicate that it denotes a character type.
11784 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11785 signed_char_type_node, unsigned_char_type_node and char_type_node.
11786 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11787 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11788 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11790 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11791 Daniel Berlin <dberlin@dberlin.org>
11793 * tree-tailcall.c (arg_needs_copy_p): New function.
11794 (eliminate_tail_call): Use arg_needs_copy_p.
11795 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11796 (add_virtual_phis): New function.
11798 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11800 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11801 #ignore instead of #scratch for %g7 .register directive.
11803 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11805 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11808 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11810 * flow.c (calculate_global_regs_live): Assert that there aren't any
11813 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11815 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11816 what its name says.
11817 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11818 bsi_after_labels iterator.
11819 * tree-if-conv.c (find_phi_replacement_condition,
11820 replace_phi_with_cond_modify_expr): Likewise.
11821 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11822 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11824 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11826 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11828 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11831 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11832 array after growing it.
11834 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11836 PR middle-end/24901
11837 * fold-const.c (fold_checksum_tree): Change type of buf.
11839 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11841 * reload.c (push_secondary_reload): Initialize t_icode.
11843 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11845 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11846 -msoft-float -mlong-double-128 only issue a warning, but don't
11847 swich to DFmode long double.
11849 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11851 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11852 has a constant equivalent, iterate over equivalents for arg0,
11853 calling simplify_relational_operation and if there's a result
11854 cheaper than X, apply fold_rtx and return the result.
11856 2006-02-01 Jan Hubicka <jh@suse.cz>
11858 * opts.c (no_unit_at_a_time_default): New global variable.
11859 (decode_options): Use it.
11860 * opts.h (no_unit_at_a_time_default): Declare.
11862 2006-02-01 Paul Brook <paul@codesourcery.com>
11864 * function.c (assign_parm_setup_reg): Use function argument promotion
11866 * expr.c (expand_expr_real_1): Use function argument promotion rules
11869 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11871 * gcc.c (process_command): Change j to 'unsigned int'.
11873 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11875 PR middle-end/26001
11876 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11877 Use the corrected index for the character
11878 out of the string constant.
11880 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11882 * mode-switching.c (optimize_mode_switching): Fix size
11883 allocated for bb_info[n_entities].
11885 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11887 * gcc.c (main): Correct type that is allocated for
11888 explicit_link_files.
11890 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11892 * config/s390/s390.c (init_alignment_context): Set
11893 ALIAS_SET_MEMORY_BARRIER on the MEM.
11894 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11896 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11898 PR middle-end/25933
11899 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11901 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11904 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11906 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11907 * regrename.c: Ditto.
11908 * tree-ssa-loop-im.c: Ditto.
11909 * tree-dump.c: Ditto.
11910 * tree-complex.c: Ditto.
11911 * genrecog.c: Ditto.
11912 * tree-ssa-threadupdate.c: Ditto.
11914 * java/class.c: Ditto.
11915 * java/jcf-parse.c: Ditto.
11916 * java/resource.c: Ditto.
11917 * java/except.c: Ditto.
11918 * java/jvspec.c: Ditto.
11919 * java/jcf-write.c: Ditto.
11920 * java/jcf-path.c: Ditto.
11921 * java/gjavah.c: Ditto.
11922 * java/zextract.c: Ditto.
11923 * java/jcf-io.c: Ditto.
11924 * java/jcf.h: Ditto.
11925 * java/buffer.c: Ditto.
11926 * java/lang.c: Ditto.
11927 * java/parse-scan.y: Ditto.
11928 * java/lex.c: Ditto.
11929 * java/lex.h: Ditto.
11930 * cfgloopmanip.c: Ditto.
11931 * postreload-gcse.c: Ditto.
11932 * tree-ssa-loop-manip.c: Ditto.
11933 * postreload.c: Ditto.
11934 * tree-ssa-loop-ch.c: Ditto.
11937 * cppspec.c: Ditto.
11938 * diagnostic.c: Ditto.
11940 * genoutput.c: Ditto.
11942 * cfghooks.c: Ditto.
11943 * cfgloopanal.c: Ditto.
11944 * objc/objc-act.c: Ditto.
11946 * genextract.c: Ditto.
11947 * genautomata.c: Ditto.
11948 * pretty-print.c: Ditto.
11949 * genemit.c: Ditto.
11950 * cgraphunit.c: Ditto.
11952 * df-scan.c: Ditto.
11953 * haifa-sched.c: Ditto.
11954 * dominance.c: Ditto.
11956 * tree-ssa-loop-ivopts.c: Ditto.
11957 * df-core.c: Ditto.
11958 * mode-switching.c: Ditto.
11959 * modulo-sched.c: Ditto.
11961 * ipa-pure-const.c: Ditto.
11963 * fix-header.c: Ditto.
11965 * tree-stdarg.c: Ditto.
11966 * ipa-utils.c: Ditto.
11967 * loop-init.c: Ditto.
11968 * ipa-inline.c: Ditto.
11969 * cfganal.c: Ditto.
11971 * alloc-pool.c: Ditto.
11972 * dwarf2out.c: Ditto.
11974 * genattrtab.c: Ditto.
11975 * tree-ssa-loop-ivcanon.c: Ditto.
11976 * predict.c: Ditto.
11977 * timevar.c: Ditto.
11979 * fortran/gfortranspec.c: Ditto.
11980 * regmove.c: Ditto.
11981 * local-alloc.c: Ditto.
11982 * langhooks.c: Ditto.
11983 * function.c: Ditto.
11984 * tree-vectorizer.c: Ditto.
11986 * ipa-type-escape.c: Ditto.
11988 * tree-if-conv.c: Ditto.
11989 * profile.c: Ditto.
11991 * tree-data-ref.c: Ditto.
11992 * loop-unroll.c: Ditto.
11993 * treelang/treetree.c: Ditto.
11995 * bt-load.c: Ditto.
11996 * ggc-common.c: Ditto.
11998 * coverage.c: Ditto.
12000 * tree-cfgcleanup.c: Ditto.
12001 * tree-ssa-pre.c: Ditto.
12002 * cfgcleanup.c: Ditto.
12003 * loop-invariant.c: Ditto.
12004 * loop-iv.c: Ditto.
12005 * ipa-prop.c: Ditto.
12006 * print-tree.c: Ditto.
12007 * conflict.c: Ditto.
12008 * ggc-page.c: Ditto.
12009 * sched-deps.c: Ditto.
12010 * regclass.c: Ditto.
12011 * tree-object-size.c: Ditto.
12012 * combine.c: Ditto.
12013 * bb-reorder.c: Ditto.
12014 * resource.c: Ditto.
12015 * var-tracking.c: Ditto.
12016 * cfgloop.c: Ditto.
12017 * df-problems.c: Ditto.
12018 * reg-stack.c: Ditto.
12020 * gccspec.c: Ditto.
12021 * sched-rgn.c: Ditto.
12022 * tree-ssa-structalias.c: Ditto.
12023 * tree-ssa-reassoc.c: Ditto.
12024 * config/darwin-c.c: Ditto.
12025 * config/darwin.c: Ditto.
12026 * config/arm/arm.c: Ditto.
12028 * collect2.c: Ditto.
12029 * reload1.c: Ditto.
12031 2006-01-31 Nicolas Pitre <nico@cam.org>
12033 * arm.md (smaxsi3): Make aware of smax_m1.
12036 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12038 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12040 2006-01-31 Richard Guenther <rguenther@suse.de>
12042 * doc/invoke.texi (-msselibm): Document.
12043 * target.h (expand_library_builtin): New target hook.
12044 * builtins.c (expand_builtin): Use expand_library_builtin.
12045 (default_expand_library_builtin): New function.
12046 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12047 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12048 (link_gcc_math_spec): Declare.
12049 (static_specs): Add link_gcc_math_spec.
12050 * expr.h (default_expand_library_builtin): Declare.
12051 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12052 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12053 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12054 * config/i386/i386.opt (msselibm): New target option.
12055 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12056 (ix86_init_sse_abi_builtins): New function.
12057 (ix86_expand_library_builtin): Likewise.
12058 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12059 (override_options): Handle error conditions wrt -msselibm.
12060 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12061 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12062 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12065 2006-01-31 Richard Guenther <rguenther@suse.de>
12066 Paolo Bonzini <bonzini@gnu.org>
12068 * doc/install.texi (--disable-libgcc-math): Document.
12070 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12072 * expr.h (expand_normal): new inline function.
12073 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12074 * dojump.c: use it.
12075 * dwarf2out.c: use it.
12078 * expmed.c: use it.
12079 * except.c: use it.
12080 * config/sparc/sparc.c: use it.
12081 * config/i386/i386.c: use it.
12082 * config/rs6000/rs6000.c: use it.
12083 * config/arm/arm.c: use it.
12084 * config/mips/mips.c: use it.
12085 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12087 2006-01-30 Roger Sayle <roger@eyesopen.com>
12089 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12090 argv to the appropriate type.
12092 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12094 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12097 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12100 * config/s390/s390.c (struct machine_function): New flag
12101 decomposed_literal_pool_addresses_ok_p.
12102 (s390_reorg): Set it before final stage of literal pool transforms.
12103 (s390_decompose_address): Only accept displacements of the form
12104 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12106 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12108 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12109 the comparison routine return.
12111 2006-01-30 Michael Matz <matz@suse.de>
12113 * global.c (find_reg): Only evict for global regs.
12114 Take n_refs into account and dump more info.
12116 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12119 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12120 (pragma_trap, pragma_nosave_low_regs): Likewise.
12121 (current_function_anonymous_args): Likewise.
12122 (sh_deferred_function_attributes): New variable.
12123 (sh_deferred_function_attributes_tail): Likewise.
12124 (print_operand): For '@', look up trap_exit attribute.
12125 (calc_live_regs): Look up trapa_handler attribute. For trapa
12126 handlers, save/restore fpscr, but don't do any other
12127 interrupt-specific saves.
12128 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12129 Fix check for partially saved registers to check for SHmedia.
12130 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12131 (sh_output_function_epilogue): Don't clear any of the removed
12133 (sh_insert_attributes): Don't check pragma_interrupt.
12134 Insert deferred attributes. Check that interrupt attribute is
12135 present for other attributes that require its presence.
12136 (sh_attribute_table): Add new attributes trapa_handler and
12138 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12139 Don't check for pragma_interrupt. Don't store argument.
12140 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12141 (sh_deferred_function_attributes): Declare.
12142 (sh_deferred_function_attributes_tail): Likewise.
12143 * sh.md (sp_switch_1): Add operand. Change generator caller.
12144 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12145 (*return_i): Don't use when trap_exit attribute is in effect.
12146 (*return_trapa): New insn pattern.
12147 * sh-c.c: New file.
12148 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12149 setting c_target_objs and cxx_target_objs.
12150 * t-sh: Add rule for sh-c.o.
12152 2006-01-30 Richard Guenther <rguenther@suse.de>
12155 * gimplify.c (gimplify_target_expr): Handle easy cases
12156 without creating a temporary.
12158 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12160 * vec.h (safe_grow): Remove duplicated line.
12162 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12165 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12166 (expand_omp): ... here.
12167 (expand_omp_parallel): Only remove barriers for combined
12168 parallel+workshare constructs.
12170 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12174 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12175 * tree.c (build_qualified_type): Chain the new type to the original
12176 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12177 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12178 (build_pointer_type_for_mode): Only return unqualified types.
12179 (build_reference_type_for_mode): Likewise.
12181 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12183 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12184 * Makefile.in (CXX_COMPAT_WARN): Define.
12185 * configure: Regenerate.
12187 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12190 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12193 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12195 * toplev.c: Fix thinko.
12197 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12198 Marcin Dalecki <martin@dalecki.de>
12200 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12201 (push_srcloc): Use XNEW.
12202 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12204 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12206 * df-core.c (df_set_blocks): Deleted all variable.
12208 2006-01-28 Ian Lance Taylor <ian@airs.com>
12210 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12211 cgraph_output_pending_asms.
12213 2006-01-28 Zack Weinberg <zackw@panix.com>
12215 * c.opt: Add -W(no-)overlength-strings.
12216 * doc/invoke.texi: Document it.
12217 * c-opts.c (c_common_handle_option): -pedantic implies
12218 -Woverlength-strings, if not explicitly disabled already.
12219 (c_common_post_options): -Woverlength-strings defaults to off, and
12220 is always off for C++.
12221 * c-common.c (fix_string_type): Issue warning about strings longer
12222 than is portable only if warn_overlength_strings. Rearrange code
12223 a little for clarity.
12224 * configure.in: Check for -Wno-overlength-strings as well before
12225 enabling -pedantic in stage 1.
12226 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12227 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12229 * genconditions.c (write_header, write_one_condition)
12230 (write_conditions, write_writer): Consolidate very long strings
12231 that were broken up to fit in C89 portable limit. Don't use
12232 printf when fputs will do.
12234 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12236 * combine.c (simplify_comparison <AND>): Check
12237 TRULY_NOOP_TRUNCATION before start using a subreg.
12239 * config/mips/mips.md (*branch_zero<mode>,
12240 *branch_zero<mode>_inverted, *branch_equality<mode>,
12241 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12242 Remove mode check from comparisons.
12244 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12246 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12248 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12250 * expmed.c (const_mult_add_overflow_p): Remove.
12251 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12253 * recog.c (validate_replace_rtx_subexp): Remove.
12254 * recog.h: Remove the prototype for
12255 validate_replace_rtx_subexp.
12257 * integrate.h: Remove the prototype for
12258 copy_decl_for_inlining.
12259 * rtl.h: Remove the prototype for mark_constant_function.
12260 * tree-vectorizer.h: Remove the prototype for
12261 vect_strip_conversion.
12263 * modulo-sched.c (create_partial_schedule,
12264 free_partial_schedule, reset_partial_schedule): Make them
12267 * hooks.c (hook_bool_rtx_int_false): Remove.
12268 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12270 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12272 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12273 and -mlong-double-128 are incompatible.
12274 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12275 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12276 (TARGET_LIBGCC2_CFLAGS): Define.
12277 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12278 (TARGET_LIBGCC2_CFLAGS): Same.
12279 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12281 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12284 * c-typeck.c (build_binary_op): Perform implicit casts of
12285 operands before shortening them.
12287 * cfgloopmanip.c (split_loop_bb): Remove.
12288 * cfgloop.h: Remove the prototype for split_loop_bb.
12290 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12291 * cfgloop.h: Remove the prototype for
12292 flow_loop_outside_edge_p.
12294 * emit-rtl.c (init_virtual_regs): Make it static.
12295 * function.h: Remove the prototype for init_virtual_regs.
12297 * recog.c (peephole2_optimize): Make it static.
12298 * recog.h: Remove the prototype for peephole2_optimize.
12300 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12302 * df-scan.c (df_record_entry_block_defs): Check if
12303 INCOMING_RETURN_ADDR_RTX is defined.
12305 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12306 Kenneth Zadeck <zadeck@naturalbridge.com>
12308 PR rtl-optimization/24762
12309 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12310 * targhooks.c (hook_void_bitmap): New hook prototype.
12311 * targhoohs.h (hook_void_bitmap): Ditto.
12312 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12313 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12314 * target.h (live_on_entry): New function pointer.
12315 * df-scan.c (df_all_hard_regs): Removed.
12316 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12317 (df_scan_free_internal): Added df->entry_block_defs.
12318 (df_scan_alloc): Ditto.
12319 (df_scan_dump): Ditto.
12320 (df_uses_record): Plumbed flag field properly thru calls.
12321 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12322 This part fixes PR24762.
12323 (df_bb_refs_record): Added code to make the frame and arg
12324 pointers live in EH blocks.
12325 (df_refs_record): Added call to df_record_entry_block_defs.
12326 (df_record_entry_block_defs): New function.
12327 * df-core.c: Added comments to describe new artifical defs.
12328 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12329 (entry_block_defs): New field in struct df.
12330 (df_all_hard_regs): Deleted.
12331 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12332 * df-problems.c (df_ru_bb_local_compute_process_def):
12333 Added code to handle artifical defs in the entry to a function.
12334 (df_ru_bb_local_compute): Ditto.
12335 (df_rd_bb_local_compute_process_def): Ditto.
12336 (df_rd_bb_local_compute): Ditto.
12337 (df_lr_bb_local_compute): Ditto.
12338 (df_ur_bb_local_compute): Ditto.
12339 (df_urec_bb_local_compute): Ditto.
12340 (df_chain_create_bb): Ditto.
12341 (df_ur_local_finalize): Removed entry.
12342 (df_urec_init): Ditto.
12343 (df_urec_local_finalize): Ditto.
12344 (df_ri_bb_compute): Added detection of last use of pseudos.
12345 * Makefile.in (df-scan.o): Updated dependencies.
12346 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12347 * config/mips/mips.c (mips_set_live_on_entry): Added.
12348 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12350 * dce.c (marked_insn_p): Added code to handle artifical defs.
12352 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12354 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12356 (_mm_cvtsi128_si64): Likewise.
12357 (_mm_cvtsd_si64): Likewise.
12358 (_mm_cvttsd_si64): Likewise.
12359 (_mm_cvtsi64_sd): Likewise.
12360 (_mm_cvtsi64_si128): Likewise.
12361 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12362 (_mm_cvtsi64_m64): Likewise.
12363 (_m_to_int64): Likewise.
12364 (_mm_cvtm64_si64): Likewise.
12365 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12366 (_mm_cvttss_si64): Likewise.
12367 (_mm_cvtsi64_ss): Likewise.
12368 (_mm_cvtss_f32): Likewise.
12370 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12372 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12373 for pragma redefine_extname.
12375 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12378 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12379 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12380 -mno-minimal-toc to previous content.
12381 (bispecs): Remove goal.
12382 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12383 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12384 compatibility aliases on powerpc-*-*gnu*.
12385 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12386 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12387 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12388 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12389 (ldblspecs): New goal.
12390 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12391 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12393 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12394 L_sf_to_tf or L_df_to_tf is defined.
12396 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12397 Alan Modra <amodra@bigpond.net.au>
12400 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12401 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12402 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12403 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12404 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12405 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12406 (rs6000_override_options): Initialize rs6000_ieeequad.
12407 Initialize TFmode format to ibm_extended_format if not
12409 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12411 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12412 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12413 (function_arg_advance): IBM long double passed in two FPRs, not
12415 (function_arg): IBM long double passed in FPRs.
12416 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12417 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12418 Only multireg GPR aligned.
12419 (rs6000_init_libfuncs): Enable IBM long double functions if not
12421 (rs6000_generate_compare): Use IBM long double compare if not
12423 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12424 (TARGET_IEEEQUAD): Define.
12425 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12426 not TARGET_IEEEQUAD.
12427 * config/rs6000/rs6000.md: Enable TFmode patterns if
12429 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12430 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12431 and -mlong-double-128 are incompatible.
12432 * doc/invoke.texi (-mabi): Collect options together. Add
12433 ibmlongdouble and ieeelongdouble.
12435 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12437 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12439 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12440 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12441 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12442 * rtl.h (rtunion_def): Remove rt_ptr.
12444 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12445 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12446 * config/i386/winnt.c (i386_pe_mark_dllexport)
12447 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12449 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12451 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12453 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12457 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12458 pthread_key_delete. From John David Anglin. gthrw-ify
12459 pthread_getunique_np only if it it's not a macro. Delete
12461 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12462 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12463 __gthread_objc_condition_signal, __gthread_key_delete): Add
12464 "__attribute__ ((__unused__))" to unused arguments.
12465 (__gthread_recursive_mutex_init_function): Add missing return.
12466 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12467 gthr-posix95.h: Use macro-based approach for name redirection
12468 on targets missing weakref.
12470 2006-01-26 Zack Weinberg <zackw@panix.com>
12472 * genconditions.c (write_header): In generated code, #ifdef out
12473 all includes and fake declarations, except includes of bconfig.h
12474 and system.h, unless GCC_VERSION >= 3001. Do not include
12475 gensupport.h in any case.
12476 (write_conditions): Generate a definition of struct c_test. Add
12477 a comment to the generated #endif.
12478 (write_one_condition): Escape backslashes in string too.
12479 (write_writer): Generated code must escape backslashes and quote
12480 marks (but not newlines) in the strings it writes.
12481 * Makefile.in (build/gencondmd.o): Update dependencies.
12483 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12486 * Makefile.in (insn-automata.o): Add header file dependencies.
12487 * genautomata.c: Add includes.
12489 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12492 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12494 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12496 * configure.ac: Expect target tools paths to be passed from the toplevel
12497 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12499 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12501 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12504 * c.opt (Wpointer-sign): Init to -1.
12505 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12506 OPT_pedantic, to 0 otherwise.
12507 * doc/invoke.texi: Update.
12509 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12511 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12512 constants provided by 80387 instructions in the destination mode.
12514 2006-01-26 Richard Guenther <rguenther@suse.de>
12515 Andrew Pinski <pinskia@physics.uc.edu>
12518 partial PR tree-opt/17064
12519 * tree-ssa-structalias.c (intra_create_variable_infos):
12520 Create heap variables for incoming parameters if
12521 flag_argument_noalias > 1.
12522 (find_what_p_points_to): Look through default defs of
12525 2006-01-26 Jeff Law <law@redhat.com>
12528 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12529 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12530 within the VR_RANGE, use the VR_RANGE as the result, not the
12532 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12533 bounds for the type.
12535 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12537 * tree-ssa-alias.c (maybe_create_global_var): Change
12538 subvar walking to an assertion that we don't have subvar'd variables.
12540 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12543 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12544 Use a new variable, inner. PARM_DECLs are always non-weak.
12546 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12548 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12549 --disable-checking.
12551 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12553 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12555 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12557 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12558 (smax_insn, smin_insn, smax_0, smin_0): New.
12560 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12563 * config/cris/cris.c (cris_order_for_addsi3): New function.
12564 * config/cris/cris-protos.h: Prototype it.
12565 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12566 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12567 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12568 (split for "op.S1 [rx=rx+i],ry (swapped)")
12569 (split for "op(s|u).S1 [rx=rx+i],ry")
12570 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12571 Apply cris_order_for_addsi3 when generating addsi3 insns.
12573 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12575 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12576 (TREE_BLOCK): Add call to EXPR_CHECK.
12578 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12581 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12582 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12583 (dump_omp_clauses): ... here.
12584 (dump_generic_node): Handle OMP_CLAUSE.
12585 * tree.c (omp_clause_num_ops): New.
12586 (omp_clause_code_name): New.
12587 (tree_code_size): Handle OMP_CLAUSE.
12588 (tree_size): Likewise.
12589 (make_node): Document handling of OMP_CLAUSE.
12590 (tree_node_structure): Handle OMP_CLAUSE.
12591 (omp_clause_check_failed): New.
12592 (omp_clause_range_check_failed): New.
12593 (omp_clause_operand_check_failed): New.
12594 (build_omp_clause): New.
12595 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12596 * tree.h (enum omp_clause_code): Declare.
12597 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12598 (OMP_CLAUSE_RANGE_CHECK): Define.
12599 (OMP_CLAUSE_ELT_CHECK): Define.
12600 (omp_clause_check_failed): Declare.
12601 (omp_clause_operand_check_failed): Declare.
12602 (omp_clause_range_check_failed): Declare.
12603 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12604 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12605 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12606 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12607 (OMP_CLAUSE_IF_EXPR): Likewise.
12608 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12609 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12610 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12611 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12612 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12613 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12614 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12615 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12616 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12617 (OMP_CLAUSE_CODE): Define.
12618 (OMP_CLAUSE_SET_CODE): Define.
12619 (OMP_CLAUSE_CODE): Define.
12620 (OMP_CLAUSE_OPERAND): Define.
12621 (struct tree_omp_clause): Declare.
12622 (union tree_node): Add field 'omp_clause'.
12623 * treestruct.def (TS_OMP_CLAUSE): Define.
12624 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12625 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12626 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12627 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12628 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12629 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12630 (OMP_CLAUSE): Define.
12631 * print-tree.c (print_node): Handle OMP_CLAUSE.
12632 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12633 * c-typeck.c: Likewise.
12634 * gimplify.c: Likewise.
12635 * c-omp.c: Likewise.
12636 * tree-nested.c: Likewise.
12637 * tree-inline.c: Likewise.
12638 * c-parser.c: Likewise.
12639 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12642 2006-01-25 Roger Sayle <roger@eyesopen.com>
12644 PR rtl-optimization/25703
12645 * combine.c (try_combine): Handle zero_extract and strict_low_part
12646 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12648 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12650 * global.c: Fix comment typos.
12652 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12655 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12656 Use output_addr_const instead of assemble_name.
12658 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12660 * Makefile.in (sched-vis.o): Update dependencies.
12661 * haifa-sched.c (sched_finish): Clear current_sched_info.
12662 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12663 (dump_flow_info): Call it.
12664 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12666 * basic-block.h (dump_bb_info): Declare.
12667 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12668 option, and apply options only for dump files whose TDF_RTL,
12669 TDF_TREE, or TDF_IPA bits match.
12670 * rtl.h: Declare new functions exported from sched-vis.c.
12671 * sched-vis.c: Enable also if scheduling is not used.
12672 (print_value): Print the mode of registers if not inside scheduling.
12673 (print_insn): Make it work outside the scheduler. Beautify the output
12675 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12677 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12679 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12680 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12681 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12682 depending on the value of CONSTANT_POOL_ADDRESS_P.
12683 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12685 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12686 rather than SYMBOL_REF_DECL.
12687 (rtx_constant_pool): Remove const_rtx_sym_htab.
12688 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12689 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12690 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12691 Remove handling of const_rtx_sym_htab.
12692 (find_pool_constant): Delete.
12693 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12694 rather than find_pool_constant.
12695 (get_pool_constant_for_function): Delete.
12696 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12697 find_pool_constant.
12698 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12699 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12700 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12701 (SYMBOL_REF_CONSTANT): New macro.
12702 (get_pool_constant_for_function): Delete.
12703 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12704 rather than SYMBOL_REF_DECL.
12705 (i386_pe_mark_dllimport): Likewise.
12706 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12707 rather than SYMBOL_REF_DECL.
12708 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12709 (machopic_indirect_call_target): Likewise.
12711 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12713 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12715 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12717 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12719 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12721 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12723 2006-01-24 David Daney <ddaney@avtrex.com>
12726 * configure.ac (enable_tls): New enable option.
12727 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12728 * configure: Regenerate.
12729 * doc/install.texi (--enable-tls): Document new option.
12730 (--disable-tls): Ditto.
12732 2006-01-24 Richard Henderson <rth@redehat.com>
12734 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12735 * alias.c (true_dependence): Respect it.
12736 (canon_true_dependence, write_dependence_p): Likewise.
12737 * builtins.c (get_builtin_sync_mem): Set it.
12739 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12741 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12744 2006-01-24 DJ Delorie <dj@redhat.com>
12746 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12747 for storing constants in single-bit bitfields.
12749 2006-01-25 Ben Elliston <bje@au.ibm.com>
12751 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12753 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12756 * tree-ssa-pre.c (phi_translate): Return NULL
12757 for AGGREGATE_TYPE's.
12759 2006-01-24 Zack Weinberg <zackw@panix.com>
12761 * genautomata.c (process_state_for_insn_equiv_partition):
12762 Use xcalloc for insn_arcs_array.
12763 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12764 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12766 2006-01-24 Richard Henderson <rth@redhat.com>
12768 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12769 update all callers.
12771 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12773 PR rtl-optimization/25890
12774 PR rtl-optimization/25905
12775 * combine.c (expand_compound_operation, expand_field_assignment):
12776 Fail if the bitfield's final position is out of bounds.
12778 2006-01-24 Ian Lance Taylor <ian@airs.com>
12780 PR middle-end/25930
12781 * cgraphunit.c (cgraph_output_in_order): Don't clear
12782 cgraph_asm_nodes until after asm strings have been output.
12784 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12786 * fix-header.c (read_scan_file): Add new parameter imultilib when
12787 calling register_include_chains.
12789 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12791 * omp-low.c: Update documentation.
12793 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12794 Daniel Berlin <dberlin@dberlin.org>
12798 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12799 return from the function.
12801 2006-01-22 Zack Weinberg <zackw@panix.com>
12803 * rtl.def (match_code): Add second argument.
12804 * genpreds.c (write_extract_subexp): New function.
12805 (write_match_code): Add path argument. Use write_extract_subexp.
12806 (write_predicate_expr): Pass path to write_match_code.
12807 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12808 not perform a mode test.
12809 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12810 a subexpression does not constrain the top-level code set.
12811 * read-rtl.c (read_rtx_variadic): New function.
12812 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12813 * doc/md.texi: Document new notation.
12814 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12815 (cmpsi_operand): ... here, using new notation.
12817 2006-01-22 Zack Weinberg <zackw@panix.com>
12819 * varray.c: Remove GENERATOR_FILE #ifdefs.
12821 2006-01-22 Zack Weinberg <zackw@panix.com>
12823 * genautomata.c (output_reserved_units_table): Emit nothing if
12824 description->query_units_num is zero. Remove extra blank line.
12825 (output_cpu_unit_reservation_p): Short circuit
12826 if description->query_units_num is zero.
12828 2006-01-22 Zack Weinberg <zackw@panix.com>
12830 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12831 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12832 nor any of the random handful of variables that used to be necessary
12833 when this program was linked with rtlanal.o. Prune set of forward
12834 function declarations.
12835 (struct attr_desc): Remove static_p field.
12836 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12837 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12838 (attr_string): Do not read the character one past the length of
12840 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12841 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12842 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12843 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12844 (make_automaton_attrs): New.
12845 (main): Do not call into genautomata. Call local gen_bypass
12846 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12847 Remove special case for insn_alts.
12848 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12849 varray.h (leftover from previous change). Prune set of forward
12850 function declarations. Remove state_alts fields from all
12851 structures. Remove state_alts_table from struct automaton.
12852 Make everything except main static. Do not maintain num_dfa_decls.
12853 Do not maintain state_alts fields of various structures.
12854 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12855 (add_arc): Remove state_alts argument. All callers updated.
12856 (output_reserved_units_table): Emit #ifdef here...
12857 (output_tables): ...not here. Don't generate state_alts tables.
12858 (expand_automata): Don't generate attributes.
12859 (write_automata): Don't generate state_alts functions.
12860 (main): New function.
12861 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12862 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12863 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12864 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12865 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12866 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12867 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12868 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12870 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12871 * genattrtab.h: Delete file.
12872 * Makefile.in (OBJS-common): Add insn-automata.o.
12873 (insn-automata.o): New rule.
12874 (simple_generated_c): Add insn-automata.c.
12875 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12876 (genprogmd): Add automata.
12877 (build/genattrtab): Needs no extra objects nor libraries.
12878 (build/genautomata): Needs build/vec.o and -lm.
12880 2006-01-22 Zack Weinberg <zackw@panix.com>
12882 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12883 (output_dfa_max_issue_rate, locked_states_num): Delete.
12884 (struct automaton): Add locked_states field.
12885 (output_dead_lock_vect): Save number of locked states in
12886 automaton->locked_states. If it is zero, don't print anything.
12887 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12888 (output_internal_dead_lock_func): Only test the dead_lock_vect
12889 for automata that have locked states.
12890 (output_statistics): Always print the number of locked states for
12891 each automaton. Calculate total number of locked states here.
12892 (write_automata): Don't call output_dfa_max_issue_rate.
12893 * genattrtab.c: Define length_unit_log as a const variable.
12894 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12895 max_insn_queue_index const.
12896 * final.c (length_unit_log): Declare const.
12897 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12899 2006-01-22 Zack Weinberg <zackw@panix.com>
12901 * genautomata.c: Include vec.h, not varray.h.
12902 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12903 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12904 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12905 VEC_* macros operating on appropriately typed vectors, or to
12906 malloced arrays when the size is known in advance. Const-ify
12907 many char* variables and function arguments. No functional changes.
12908 * Makefile.in (build/varray.o): Delete rule.
12909 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12910 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12912 2006-01-22 Zack Weinberg <zackw@panix.com>
12914 * gensupport.c: Define get_insn_name and record_insn_name here.
12915 (read_md_rtx): Call record_insn_name as appropriate.
12916 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12917 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12918 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12920 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12921 (BUILD_VARRAY): Delete.
12922 (genprognormal): Rename genprogmd. Fold in all programs from
12923 genprognoprint; also attrtab.
12924 (build/genattrtab): Just mention genautomata.o and varray.o.
12925 Reorganize a bit, add comments to make the categories clearer.
12927 2006-01-22 Zack Weinberg <zackw@panix.com>
12929 * genconditions.c (condition_table, add_condition): Delete.
12930 (write_conditions): Don't emit n_insn_conditions nor
12931 insn_elision_unavailable. Issue the gcc version #ifdef here,
12932 inside the table, with no #else clause ...
12933 (write_header): ...not here.
12934 (write_writer): New function.
12935 (main): Don't initialize condition_table. Use add_c_test.
12937 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12938 files on the command line.
12939 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12940 Return -1 if there is no entry in the table, don't abort.
12941 (add_c_test, traverse_c_tests): New functions.
12942 * gensupport.h (insn_elision_unavailable, insn_conditions)
12943 (n_insn_conditions): Delete declarations.
12944 (add_c_test, traverse_c_tests): Declare.
12945 * read-rtl.c: Include gensupport.h.
12946 (read_conditions): New function.
12947 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12948 (read_rtx_1): If we get EOF when we were looking for an initial
12949 open paren, return 0. Call read_conditions when appropriate.
12950 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12951 dummy-conditions.o. Eliminate references to insn-conditions.o,
12952 or change them to build/gencondmd.o, as appropriate. Remove
12953 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12954 from $(simple_generated_c). For all files remaining in those
12955 two lists, add insn-conditions.md to the generator command line.
12956 Give insn-constants.h/s-constants their own rules. Add rules
12957 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12958 (build/read-rtl.o): Depend on gensupport.h.
12959 (genprognormal): Include preds.
12960 (genprogearly): Rename genprognoprint; only difference is now that
12961 they don't link with $(BUILD_PRINT).
12962 * dummy-conditions.c: Delete.
12964 2006-01-22 Zack Weinberg <zackw@panix.com>
12966 * genextract.c: Don't include insn-config.h. Do include vec.h.
12967 Declare vectors of int, char, and locstr.
12968 (locstr): New typedef.
12969 (struct extraction): Make all array fields into bare pointers.
12970 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12971 (insn_code_number): Delete.
12972 (accum_extract): New struct.
12973 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12974 (gen_insn): Take insn_code_number as an argument. Use an
12975 accum_extract structure instead of loading data directly into
12976 a struct extraction, and having to know how big it might get.
12977 (walk_rtx): Operate entirely on an accum_extract structure.
12978 (print_path): Avoid unnecessary use of printf.
12979 (print_header): New function, split out of main. Distinguish
12980 more carefully between an unrecognizable insn and an insn that
12981 has the code number of a define_expand.
12982 (main): Pass insn_code_number to gen_insn. Call print_header
12983 only after parsing. Avoid unnecessary use of printf.
12984 * Makefile.in (build/vec.o): New rule.
12985 (build/genextract): Depend on build/vec.o.
12986 (build/genextract.o): Don't depend on insn-config.h.
12988 2006-01-22 Zack Weinberg <zackw@panix.com>
12990 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
12991 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
12992 practical. Eliminate per-generator-program link rules.
12994 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12996 PR middle-end/24437
12997 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
12998 with a call expr to ...
12999 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13001 2006-01-23 Richard Guenther <rguenther@suse.de>
13003 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13004 before make_edge with conditional EDGE_TRUE_VALUE.
13006 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13007 Jan Hubicka <jh@suse.cz>
13008 Richard Guenther <rguenther@suse.de>
13010 PR rtl-optimization/25654
13011 * cfgexpand.c (aggregate_contains_union_type): New function.
13012 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13013 for structure variables that contain a union type.
13015 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13017 * gengtype.c (new_structure): Return the structure.
13018 (create_option): Add an extra "next" argument.
13019 (create_field): New function.
13020 (adjust_field_rtx_def): Use create_option and create_field.
13021 Remove a now-unnecessary call to find_structure.
13022 (adjust_field_tree_def): Likewise.
13023 (note_yacc_type): Remove an unnecessary call to find_structure.
13024 * gengtype.h (new_structure): Return the structure.
13025 (create_option): Add an extra argument.
13026 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13027 (option): Adjust calls to create_option.
13029 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13031 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13033 2006-01-22 Paul Brook <paul@codesourcery.com>
13034 Peter Barada <peter@the-baradas.com>
13036 * config/m68k/m68k.md: Add Coldfire FPU support.
13037 Define FP mode macro and associated attributes.
13038 Use it for float mode patterns.
13039 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13040 (LIBCALL_VALUE): Use m68k_libcall_value.
13041 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13042 (m68k_function_value): Ditto.
13043 (emit_move_sequence): Ditto.
13044 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13045 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13046 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13047 (MULTILIB_EXCEPTIONS): Ditto.
13048 * config/m68k/m68k.opt: Add mcfv4e.
13049 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13050 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13051 (m68k_output_function_prologue): Save ColdFire FPU registers.
13052 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13053 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13054 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13055 ColdFire FPU registers.
13056 (m68k_libcall_value, m68k_function_value): New functions.
13057 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13058 (LIBCALL_VALUE): Use m68k_libcall_value.
13059 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13060 (MASK_COLDFIRE): Add MASK_CFV4E.
13061 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13062 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13063 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13064 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13065 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13066 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13067 * doc/invoke.tex: Document -mcfv4e on m68k.
13069 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13071 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13074 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13077 * c-opts.c (c_common_handle_option): Don't include
13078 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13079 * doc/invoke.texi (C++ Dialect Options): Document that
13080 -Wnon-virtual-dtor is no longer included in -Wall.
13082 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13084 * gcov.c (print_version), gcov-dump.c (print_version),
13085 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13088 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13090 * df-scan.c (problem_SCAN): Added NULL reset function.
13091 (df_scan_reset_blocks): Added code to call reset block function
13092 (df_bb_refs_delete) Fixed comment.
13093 (df_insn_refs_delete): Made tolerant of deleting non existent info
13094 for dataflow problems that need to be reset.
13095 * df-core.c (df_set_blocks): Ditto.
13096 * df.h (struct df_problem): Added reset_fun.
13097 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13098 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13099 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13100 functions to clear out all references to def-use or use-def chains.
13102 2006-01-21 Ben Elliston <bje@au.ibm.com>
13104 * varasm.c (assemble_real): Initialise data array.
13106 2006-01-20 Paul Brook <paul@codesourcery.com>
13108 Merge from csl-arm-branch.
13109 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13110 * config/arm/arm.md (movdi): Force operands[1] to a register
13111 if we have a non-register source.
13112 (*arm_movdi, *movdf_soft_insn): Require that one of the
13113 operands be a register.
13114 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13115 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13117 2006-01-20 DJ Delorie <dj@redhat.com>
13119 * varasm.c (initializer_constant_valid_p): Allow pointers
13120 initialized from integer constants of lesser precision.
13121 (output_constant): Allow non-int-sized pointer modes to be
13122 initialized from integer constants.
13124 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13127 * cppdefault.h (struct default_include): Add multilib flag.
13128 * cppdefault.c (cpp_include_defaults): Set it.
13129 * c.opt (-imultilib): New option.
13130 * c-opts.c (imultilib): New.
13131 (c_common_handle_option): Handle -imultilib.
13132 (c_common_post_options): Likewise.
13133 * c-incpath.c (add_standard_paths, register_include_chains):
13135 * c-incpath.h (register_include_chains): Add extra parameter.
13136 * gcc.c (do_spec_1): Generate -imultilib option.
13137 (The Specs Language): Update %I description.
13138 (process_command): Update copyright notice.
13139 * doc/cppopts.texi (-imultilib): Document.
13140 * doc/invoke.texi (-imultilib): Include in option summary.
13141 (%I): Update specs documentation.
13143 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13145 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13147 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13149 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13152 2006-01-20 Richard Guenther <rguenther@suse.de>
13153 Steven Bosscher <stevenb.gcc@gmail.com>
13155 PR rtl-optimization/24626
13156 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13157 EDGE_TRUE_VALUE if in RTL mode.
13160 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13161 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13163 2006-01-20 Dirk Mueller <dmueller@suse.com>
13166 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13167 instead of a special NOP marker.
13168 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13169 NOP marker handling.
13170 * c-common.h (empty_body_warning): Add forward declaration.
13171 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13172 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13174 2006-01-20 Paul Brook <paul@codesourcery.com>
13176 * Makefile.in (lang_checks): Keep going if mkdir fails.
13178 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13180 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13181 be able to clean out basic block when not necessary.
13182 (df_scan_free): Fixed to properly delete information if df is
13183 unused before calling df_finish.
13184 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13185 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13187 (df_bb_refs_delete): New function.
13188 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13189 * df-core.c (df_set_blocks): Added code to properly clean out
13190 unused blocks if they are not part of the blocks to consider.
13191 Added additional null check.
13192 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13193 be able to clean out basic block when not necessary
13194 * df.h (df_free_bb_function): Ditto.
13195 (df_bb_refs_delete): New function.
13196 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13197 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13198 basic block parameter to be able to clean out basic block when not
13200 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13201 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13202 Fixed to properly delete information if df is unused before
13205 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13207 PR rtl-optimization/25799
13208 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13209 Corrected confluence operator to remove bits from op2 before oring
13210 with op1 rather than removing bits from op1.
13211 (df_ru_transfer_function): Corrected test on wrong bitmap which
13212 caused infinite loop. Both of these problems were introduced in
13213 the dataflow rewrite.
13215 2006-01-19 DJ Delorie <dj@redhat.com>
13217 * reload1.c (find_reload_regs): Note the details of reload
13218 failures in the dump file.
13219 (spill_failure): Likewise.
13221 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13223 * loop-iv.c: Include df.h and hashtab.h.
13224 (enum iv_grd_result): New enum.
13225 (DF_REF_IV, DF_REF_IV_SET): New macros.
13226 (struct biv_entry): New.
13227 (df, bivs): New global variables.
13228 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13229 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13231 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13232 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13233 analyzed_for_bivness_p, record_biv): New functions.
13234 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13235 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13236 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13238 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13240 (iv_number_of_iterations): Use new interface to iv analysis.
13241 * loop-unroll.c: Do not include varray.h.
13242 (analyze_iv_to_split_insn): Use new interface to iv
13244 * loop-unswitch.c (may_unswitch_on): Ditto.
13245 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13247 (df_bb_modify): Realloc tables to the new index.
13248 (df_find_use): New function.
13249 * df.h (df_find_use): Declare.
13250 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13252 * cfgloop.h (struct rtx_iv): Remove analysed field.
13253 (iv_get_reaching_def): Removed.
13254 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13255 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13256 (loop-iv.o): Add df.h and hashtab.h dependency.
13257 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13259 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13262 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13264 (__floatundisf, __floatundidf): Likewise.
13265 * libgcc2.h (IS_IBM_EXTENDED): Define.
13267 2006-01-19 DJ Delorie <dj@redhat.com>
13269 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13271 2006-01-19 Paul Brook <paul@codesourcery.com>
13273 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13274 as nothrow when unwinding tables are disabled.
13276 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13279 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13280 of bit-field" when in system header.
13282 2006-01-19 DJ Delorie <dj@redhat.com>
13284 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13285 the 16 bit shift limit of the m16c.
13287 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13290 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13291 * config/i386/i386.c (output_set_got): Output the label if we have one
13292 for the TARGET_DEEP_BRANCH_PREDICTION case.
13294 2006-01-19 Jan Hubicka <jh@suse.cz>
13295 H.J. Lu <hongjiu.lu@intel.com>
13296 Evandro Menezes <evandro.menezes@amd.com>
13298 * invoke.texi (generic): Document
13300 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13301 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13302 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13303 (x86_use_incdec, x86_pad_returns): New variables
13304 (TARGET_CPU_DEFAULT_generic): New constant
13305 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13306 (enum processor_type): Add generic32 and generic64.
13307 * i386.md (cpu attribute): Add generic32/generic64
13308 (movhi splitter): Behave sanely when both partial_reg_dependency and
13309 partial_reg_stall are set.
13310 (K8 splitters): Enable for generic as well.
13311 * predicates.md (incdec_operand): Use TARGET_INCDEC
13312 (aligned_operand): Avoid memory mismatch stalls.
13313 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13314 * ppro.md: Enable for generic32
13315 * i386.c (generic64_cost, generic32_cost): New.
13316 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13317 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13318 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13319 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13320 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13321 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13322 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13323 x86_accumulate_outgoing_args, x86_prologue_using_move,
13324 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13325 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13326 Enable for generic.
13327 (x86_use_incdec, x86_pad_returns): New.
13328 (override_options): Add generic32 and generic64, translate "generic"
13329 to generic32/generic64 and "i686" to "generic32", refuse
13330 "generic32"/"generic64" as arch target.
13331 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13332 (ix86_reorg): Honor PAD_RETURNS.
13334 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13336 * tree-pretty-print.c (dump_generic_node): Handle
13337 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13338 * cgraph.c (cgraph_expand_queue): Rename from
13339 cgraph_analyze_queue. Update all users.
13340 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13341 cgraph_expand_queue.
13342 (cgraph_expand_all_functions): Likewise.
13343 (cgraph_finalize_pending_functions): Remove. Update callers.
13345 * tree.h (OMP_DIRECTIVE_P): Define.
13346 (OMP_PARALLEL_FN): Define.
13347 (OMP_PARALLEL_DATA_ARG): Define.
13348 (OMP_SECTIONS_SECTIONS): Define.
13349 * tree-pass.h (pass_expand_omp): Declare.
13350 * omp-low.c (struct omp_region): Declare.
13351 (struct omp_context): Remove fields 'parallel_type',
13352 'parallel_start_ix' and 'parallel_start_additional_args'.
13354 (struct omp_for_data): Rename from struct expand_omp_for_data.
13355 (omp_regions): New static variable.
13356 (root_omp_region): New static variable.
13357 (find_omp_clause): Make static.
13358 (is_in_combined_parallel_ctx): Remove.
13359 (is_combined_parallel): New.
13360 (extract_omp_for_data): Move earlier in the file.
13361 (workshare_safe_to_combine_p): New.
13362 (get_ws_args_for): New.
13363 (determine_parallel_type): Move earlier in the file.
13364 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13366 (omp_copy_decl): Likewise.
13367 (create_omp_child_function): Likewise.
13368 (lookup_omp_region): New.
13369 (dump_omp_region): New.
13370 (debug_omp_region): New.
13371 (debug_all_omp_regions): New.
13372 (new_omp_region): New.
13373 (scan_omp_parallel): If parallel_nesting_level > 1, the
13374 directive is nested within another parallel directive.
13375 Set OMP_PARALLEL_FN.
13376 (scan_omp_for): Do not try to handle combined parallel+for
13378 Remove FIXME comment.
13379 (scan_omp_nested): Remove.
13380 (scan_omp_1): Do not call scan_omp_nested when
13381 parallel_nesting_level is > 1.
13382 Do not change the DECL_CONTEXT of local variables found.
13383 (lookup_decl_in_outer_ctx): New.
13384 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13385 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13386 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13387 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13388 If CTX is nested, lookup VAR in the outer context when
13389 building copy assignment.
13390 (lower_send_clauses): Rename from expand_send_clauses.
13391 If CTX is nested, lookup VAR in the outer context when
13392 building copy assignments.
13393 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13394 If CTX is nested, lookup VAR in the outer context when
13395 building copy assignments.
13396 (expand_parallel_call): Rename from build_parallel_call.
13397 Handle combined parallel+workshare cases.
13398 Re-implement to emit code into the CFG.
13400 (expand_omp_parallel): Re-implement to emit code into the CFG.
13401 Call move_sese_region_to_fn to outline the sub-graph
13402 containing the parallel region.
13403 (expand_omp_for_1): Remove.
13404 (expand_omp_for_generic): Re-implement to emit code into the
13406 (expand_omp_for_static_nochunk): Likewise.
13407 (expand_omp_for_static_chunk): Likewise.
13408 (expand_omp_for): Likewise.
13409 (expand_omp_sections): Likewise.
13410 (remove_exit_barriers): New.
13411 (expand_omp_synch): New.
13413 (build_omp_regions_1): New.
13414 (build_omp_regions): New.
13415 (execute_expand_omp): New.
13416 (gate_expand_omp): New.
13417 (pass_expand_omp): Define.
13418 (lower_omp_sections): Rename from expand_omp_sections.
13419 Set OMP_SECTIONS_SECTIONS.
13420 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13421 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13422 (lower_omp_single): Rename from expand_omp_simple.
13423 (lower_omp_master): Rename from expand_omp_master.
13424 (lower_omp_ordered): Rename from expand_omp_ordered.
13425 (lower_omp_critical): Rename from expand_omp_critical.
13426 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13427 (lower_omp_for): Re-implement.
13428 (lower_omp_parallel): Re-implement.
13429 (lower_regimplify): Rename from expand_regimplify.
13430 (lower_omp_1): Rename from expand_omp_1.
13431 If there are syntax errors in the program, replace every
13432 OpenMP directive with NOP.
13433 Call lower_omp_* instead of expand_omp_*.
13434 (lower_omp): Rename from expand_omp.
13436 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13437 * tree-gimple.h (enum omp_parallel_type): Remove.
13438 (gimple_boolify): Declare extern.
13439 (find_omp_clause, determine_parallel_type): Remove.
13441 * gimple-low.c (lower_omp_directive): New.
13442 (lower_stmt): Call it.
13443 (record_vars_into): Move from ...
13444 (record_vars): ... here.
13445 Call record_vars_into with current_function_decl.
13447 * gimplify.c (struct gimplify_ctx): Remove fields
13448 combined_pre_p and combined_ctxp. Update users.
13449 (get_formal_tmp_var): Add documentation.
13450 (gimple_boolify): Make extern.
13451 (gimplify_expr_in_ctx): Remove. Update callers.
13452 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13453 will always be a BIND_EXPR.
13454 (gimplify_expr): Handle OMP_RETURN_EXPR.
13455 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13456 (OMP_PARALLEL): Add 3 operands.
13457 (OMP_SECTIONS): Add 1 operand.
13458 (OMP_RETURN_EXPR): Define.
13460 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13461 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13462 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13463 creating a circular free list.
13464 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13466 * tree-flow.h (move_sese_region_to_fn): Declare.
13467 (record_vars_into): Declare.
13468 * tree-cfg.c (make_omp_sections_edges): New.
13469 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13470 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13471 OMP_SECTIONS and OMP_SECTION.
13472 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13473 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13474 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13475 (gather_blocks_in_sese_region): New.
13476 (struct move_stmt_d): Declare.
13477 (move_stmt_r): New.
13478 (move_block_to_fn): New.
13479 (move_sese_region_to_fn): New.
13481 * passes.c (init_optimization_passes): Schedule
13482 pass_expand_omp after pass_init_datastructures.
13484 * tree-ssa-operands.c (get_expr_operands): Handle
13485 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13486 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13488 2006-01-19 Jeff Law <law@redhat.com>
13490 * tree-vrp.c (extract_range_from_assert): Refine the result range
13491 if the variable referenced by the ASSERT_EXPR has a range and
13492 either the tentative result range or the previous range is a
13495 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13497 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13499 2006-01-19 Jan Hubicka <jh@suse.cz>
13501 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13503 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13505 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13506 (expand_compound_operation, expand_field_assignment): Fail if the
13507 bit lengths of an extract operation are out of range.
13508 (make_extraction): Compute wanted_inner_mode based on the position
13509 and length of the extraction. Make it extraction_mode for non-constant
13510 positions, and do not modify offset in that case. When generating a
13511 new MEM, use a mode that can hold the extraction while keeping correct
13512 alignment. Remove code that supported MEMs wrapped by USEs.
13513 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13515 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13517 * config/s390/s390.md ("Y", "y"): New mode attribute.
13518 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13519 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13520 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13521 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13522 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13523 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13524 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13525 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13526 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13527 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13528 "addsi3", "subsi3"): Insn patterns removed.
13529 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13530 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13531 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13532 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13533 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13534 "*sub<mode>3_cconly2"): New insn patterns.
13535 ("addsi3", "subsi3"): New expanders.
13537 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13539 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13540 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13541 existing STMT_VINFO_VECTYPE if available.
13542 (vect_mark_relevant): Add special handling for stmts that are
13543 marked as STMT_VINFO_IN_PATTERN_P.
13544 (vect_analyze_loop): Call vect_pattern_recog.
13545 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13546 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13548 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13549 (vect_recog_func_ptr): New function-pointer type.
13550 * tree-vect-patterns.c: New file.
13551 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13552 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13553 (vect_pattern_recog_1): New functions.
13554 (vect_pattern_recog_funcs): New array of function pointers.
13556 * tree-vectorizer.h (ternary_op): New enum value.
13557 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13558 declaration. Revised documentation. Removed redundant dump prints.
13559 Removed redundant argument. Added support for reduction patterns.
13560 (vectorizable_reduction): Added support for reduction patterns.
13561 (vect_transform_stmt): Added support for patterns.
13563 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13564 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13565 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13566 (expand_widen_pattern_expr): New function.
13567 (init_optabs): Initialize new optabs udot_prod_optab,
13569 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13570 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13571 (expand_widen_pattern_expr): New function declaration.
13572 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13574 * tree-inline.c (estimate_num_insns_1): Added cases for new
13575 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13576 * tree-pretty-print.c (dump_generic_node): Likewise.
13577 (op_prio): Likewise.
13578 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13579 * tree-ssa-operands.c (get_expr_operands): Added case for
13581 * tree-vect-patterns.c (widened_name_p): New function.
13582 (vect_recog_dot_prod_pattern): Added function implementation.
13583 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13584 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13585 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13586 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13588 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13589 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13590 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13591 (init_optabs): Initialize new optabs widen_ssum_optab,
13593 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13594 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13595 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13596 use instead of type of def.
13597 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13598 function implementation.
13599 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13600 widen_ssumv8hi): New.
13602 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13605 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13608 * c-decl.c (add_flexible_array_elts_to_size): New function.
13609 (finish_decl): Use it.
13611 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13613 * diagnostic.h: Include options.h.
13614 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13615 dependancies for diagnostic.h.
13616 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13618 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13620 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13621 (ssa_ro_call_cache_valid): Ditto.
13622 * tree-ssa-alias.c (sort_tags_by_id): New function.
13623 (init_transitive_clobber_worklist): Ditto.
13624 (add_to_worklist): Ditto.
13625 (mark_aliases_call_clobbered): Ditto.
13626 (compute_tag_properties): Ditto.
13627 (set_initial_properties): Ditto.
13628 (compute_call_clobbered): Ditto.
13629 (compute_may_aliases): Call compute_call_clobbered and grouping.
13630 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13631 (compute_flow_insensitive_aliasing): Grouping now happens in our
13633 (setup_pointers_and_addressables): Remove clobbering related code.
13634 (add_may_alias): Ditto.
13635 (replace_may_alias): Ditto.
13636 (get_nmt_for): Ditto.
13637 (create_global_var):
13638 (is_escape_site): Return an escape_type enumeration.
13639 * tree-flow-inline.h (is_call_clobbered): Global var does not
13640 imply call clobbered.
13641 (mark_call_clobbered): Take a reason for marking this. Remove
13642 marking of globalness, and cache invalidation.
13643 (clear_call_clobbered): Remove cache invalidation code.
13644 * tree-dfa.c (dump_variable): If details is on, dump the reason
13646 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13648 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13649 (struct var_ann_d): Ditto.
13650 (enum escape_type): New.
13651 (mark_call_clobbered): Adjust prototype.
13652 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13653 are never call clobbered.
13654 Record reasons for escaping.
13655 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13656 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13657 (ssa_ro_call_cache_valid): Ditto.
13658 (clobbered_v_may_defs): Ditto.
13659 (clobbered_vuses): Ditto.
13660 (ro_call_vuses): Ditto.
13661 (clobber_stats): New.
13662 (init_ssa_operands): Zero out clobber stats.
13663 (fini_ssa_operands): Print out clobber stats.
13664 (get_call_expr_operands): Pass callee fndecl to
13665 add_call_read_ops).
13666 (add_call_clobber_ops): Remove use of cache.
13667 Add use of PURE_CONST information.
13668 (add_call_read_ops): Remove use of cache.
13669 Add use of static not_read information.
13671 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13673 Introduce TLS descriptors for i386 and x86_64.
13674 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13675 (TARGET_ANY_GNU_TLS): New macro.
13676 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13677 (struct machine_function): Add tls_descriptor_call_expanded_p.
13678 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13679 (ix86_current_function_calls_tls_descriptor): Likewise.
13680 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13681 (override_options): Introduce gnu2 tls dialect.
13682 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13684 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13686 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13687 (ix86_init_machine_status): Initialize new field.
13688 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13689 (ix86_tls_module_base): New.
13690 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13691 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13692 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13693 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13694 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13695 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13696 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13697 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13698 * config/i386/predicates.md (tls_modbase_operand): New.
13699 (tp_or_register_operand): New.
13701 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13703 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13704 (look_for_address_of): Ditto.
13705 (ipa_init): Walk the function decls.
13706 (static_execute): Don't set readonly on FUNCTION_DECL's.
13708 2006-01-18 Roger Sayle <roger@eyesopen.com>
13710 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13711 for shifts where the source and destination registers are different.
13713 2006-01-18 Paul Brook <paul@codesourcery.com>
13715 Merge from csl-arm-branch.
13716 2005-03-14 Julian Brown <julian@codesourcery.com>
13717 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13718 (aeabi_llsl): Likewise.
13719 (ashrdi3): Likewise.
13720 (aeabi_lasr): Likewise.
13721 (lshrdi3): Likewise.
13722 (aeabi_llsr): Likewise.
13723 2005-03-10 Julian Brown <julian@codesourcery.com>
13724 * config.gcc: Disable shared libgcc for SymbianOS.
13725 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13727 2006-01-18 DJ Delorie <dj@redhat.com>
13729 * c-pragma.c (handle_pragma_diagnostic): New.
13730 (init_pragma): Register it.
13731 * doc/extend.texi: Document it.
13733 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13734 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13735 (diagnostic_context): Add classify_diagnostic[].
13736 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13737 as errors if they're overridden to DK_WARNING.
13738 (diagnostic_initialize): Initialize classify_diagnostic[].
13739 (diagnostic_set_kind_override): New.
13740 (diagnostic_report_diagnostic): Check for kind changes.
13741 * opts.c (common_handle_option): Take lang_mask. Update callers.
13742 Handle OPT_Werror_.
13743 * common.opt (Werror=): New.
13744 * doc/invoke.texi: Document -Werror=*
13746 2006-01-18 Jeff Law <law@redhat.com>
13748 * tree-vrp.c (test_for_singularity): Correct test for new
13749 min limit. Use operand_equal_p rather than pointer equality
13750 for testing if new min/max values are equal.
13752 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13753 using range information until after propagation and folding.
13755 2006-01-18 Richard Henderson <rth@redhat.com>
13756 Aldy Hernandez <aldyh@redhat.com>
13757 Jakub Jelinek <jakub@redhat.com>
13758 Diego Novillo <dnovillo@redhat.com>
13760 * omp-low.c: New file.
13761 * c-omp.c: New file.
13763 2006-01-18 Richard Henderson <rth@redhat.com>
13764 Jakub Jelinek <jakub@redhat.com>
13765 Diego Novillo <dnovillo@redhat.com>
13767 * doc/invoke.texi: Document -fopenmp.
13768 * tree-dump.h (debug_function): Declare.
13769 * hooks.c (hook_bool_tree_bool_false): New function.
13770 (hook_tree_tree_null): Remove.
13771 (hook_tree_tree_tree_null): New.
13772 * hooks.h: Update to match.
13773 * tree-pretty-print.c (debug_tree_chain): New.
13774 (print_generic_expr): Handle TDF_CHAIN.
13775 (dump_generic_node): Handle BLOCK.
13776 Do not abort with incomplete SWITCH_EXPRs.
13777 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13778 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13779 print space after directive name.
13780 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13781 Handle OMP_MASTER and OMP_ORDERED.
13782 Handle printing of OMP_BODY just in one place, goto
13783 dump_omp_body in the rest of OMP_* nodes that have
13785 Don't handle clause nodes here. Update omp statements to
13786 use dump_omp_clauses.
13787 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13788 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13789 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13790 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13791 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13792 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13793 Adjust output for GOMP_PARALLEL.
13794 (dump_omp_clauses): New.
13795 (print_declaration): Dump DECL_VALUE_EXPR.
13796 (op_symbol_1): Split out of op_symbol.
13797 (dumping_stmts): Remove. Update all users.
13798 * cgraph.c (cgraph_analyze_queue): New.
13799 (cgraph_add_new_function): New.
13800 * cgraph.h (cgraph_analyze_queue): Declare.
13801 (cgraph_add_new_function): Declare.
13802 (cgraph_lower_function): Remove.
13803 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13804 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13805 and TYPE_P nodes in its default clause.
13806 (empty_body_p): New.
13807 (tree_range_check_failed): New.
13808 (build5_stat): New.
13809 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13810 OMP_CLAUSE_REDUCTION_MERGE,
13811 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13812 OMP_CLAUSE_PRIVATE_DEBUG,
13813 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13814 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13815 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13816 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13817 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13818 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13819 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13820 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13821 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13822 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13823 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13824 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13825 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13826 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13827 (TREE_RANGE_CHECK): New.
13828 (empty_body_p): Declare.
13829 (enum omp_clause_default_kind): New.
13830 (build_string_literal): Declare.
13831 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13832 (build5_stat, build5): Declare.
13833 * tree-pass.h (TDF_CHAIN): Define.
13834 * tree-pass.h (PROP_gimple_lomp): Define.
13835 (pass_lower_omp): Declare.
13836 * diagnostic.h (debug_tree_chain): Declare.
13837 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13839 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13840 * builtins.c (build_string_literal): Make extern.
13841 * gcc.c (include_spec_function): New.
13842 (static_spec_functions): Add it.
13843 (main): Move load of libgomp.spec ...
13844 (LINK_COMMAND_SPEC): ... here.
13845 (link_gomp_spec): New.
13846 (static_specs): Include it.
13847 (LINK_COMMAND_SPEC): Add link_gomp.
13848 (GOMP_SELF_SPECS): New.
13849 (driver_self_specs): Include it.
13850 (switch_matches): Don't mark inline.
13851 (main): Load libgomp.spec.
13852 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13853 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13854 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13855 * tree-gimple.h (enum omp_parallel): Declare.
13856 (determine_parallel_type): Declare.
13857 (omp_firstprivatize_variable): Declare.
13858 (omp_reduction_init): Declare.
13859 (diagnose_omp_structured_block_errors): Declare.
13860 (struct walk_stmt_info): Add want_return_expr.
13861 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13862 (find_omp_clause): Declare.
13863 (insert_field_into_struct): Declare.
13864 (struct walk_stmt_info): Move from tree-nested.c
13865 (walk_stmts): Declare.
13866 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13868 * cgraphunit.c (cgraph_lower_function): Make static.
13869 (cgraph_finalize_pending_functions): New.
13870 (cgraph_finalize_function): Call it.
13871 (cgraph_finalize_compilation_unit): Likewise.
13872 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13873 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13874 (BT_FN_UINT_UINT): New.
13875 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13876 DEF_FUNCTION_TYPE_VAR_4): Document.
13877 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13878 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13879 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13880 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13881 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13882 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13883 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13884 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13885 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13886 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13887 into separate files.
13888 (DEF_GOMP_BUILTIN): New.
13889 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13890 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13891 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13892 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13893 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13894 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13895 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13896 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13897 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13898 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13899 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13900 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13901 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13902 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13903 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13904 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13905 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13906 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13907 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13908 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13909 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13910 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13911 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13912 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13913 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13914 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13915 * sync-builtins.def: New file, moved from builtins.def.
13916 * omp-builtins.def: New file, moved from builtins.def.
13917 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13918 * gimple-low.c (lower_function_body): Clear data.
13919 (lower_stmt): Do not handle COMPOUND_EXPR.
13920 Remove call to print_node_brief.
13921 * c-tree.h (c_finish_omp_clauses): New prototype.
13922 (C_DECL_THREADPRIVATE_P): Define.
13923 (lookup_name_no_remap, c_omp_remap_private): Remove
13924 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13925 (check_for_loop_decls): Update decl.
13926 (lookup_name_no_remap, c_omp_remap_private): Declare.
13927 (build_indirect_ref, build_modify_expr, pushdecl,
13928 pushdecl_top_level): Move to c-common.h.
13929 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13930 before the switch, but just in the 2 places that need it.
13931 * c-decl.c (diagnose_mismatched_decls): Do not check for
13932 mismatched thread-local attributes when OLDDECL is marked
13933 threadprivate and NEWDECL has no thread-local attributes.
13934 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13935 (c_gimple_diagnostics_recursively): Rename from
13936 c_warn_unused_result_recursively. Invoke
13937 diagnose_omp_structured_block_errors.
13938 (check_for_loop_decls): Return a singular decl found.
13939 * langhooks.c (lhd_omp_predetermined_sharing): Return
13940 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13941 (lhd_omp_firstprivatize_type_sizes): New.
13942 (lhd_omp_assignment): New.
13943 (lhd_omp_predetermined_sharing): New.
13944 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13945 (struct lang_hooks_for_types): Add
13946 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13947 omp_predetermined_sharing, omp_disregard_value_expr,
13948 omp_private_debug_clause, omp_clause_default_ctor,
13949 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13950 (c_finish_omp_clauses): New.
13951 (c_finish_bc_stmt): Diagnose break within omp for.
13952 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13953 (build_unary_op): Return error_mark after reporting
13955 (build_modify_expr): Likewise.
13956 * gimplify.c: Include optabs.h and pointer-set.h.
13957 (enum gimplify_omp_var_data): Declare.
13958 (struct gimplify_omp_ctx): Declare.
13959 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13961 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13962 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13963 (splay_tree_compare_decl_uid): New.
13964 (new_omp_context): New.
13965 (delete_omp_context): New.
13966 (gimple_add_tmp_var): Call omp_add_variable.
13967 (gimplify_bind_expr): Likewise.
13968 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13969 true, disregard DECL_VALUE_EXPR on the decl if any.
13970 (gimplify_expr_in_ctx): New.
13971 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13972 omp_add_variable, omp_notice_variable, omp_is_private
13973 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13974 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13975 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13976 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13977 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13978 gimplify_omp_atomic): New.
13979 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13980 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13981 OMP_CRITICAL and OMP_ATOMIC.
13982 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
13983 * c-pragma.h (enum pragma_kind): Add
13984 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
13985 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
13986 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
13987 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
13988 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
13989 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
13990 PRAGMA_OMP_THREADPRIVATE.
13991 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
13992 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
13993 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
13994 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
13995 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
13996 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
13997 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
13998 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
13999 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14000 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14001 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14002 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14003 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14005 (struct nesting_info): Add field_map,
14006 suppress_expansion, debug_var_chain.
14007 (create_nesting_tree): Initialize them.
14008 (lookup_field_for_decl): Use field_map.
14009 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14010 (convert_local_omp_clauses): New.
14011 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14012 (walk_body): Split out of walk_function.
14013 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14014 (convert_nonlocal_reference): Handle omp statements.
14015 (convert_local_reference): Likewise.
14016 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14017 (unnest_nesting_tree): New.
14018 (lower_nested_functions): Call it.
14019 (insert_field_into_struct): Make extern.
14020 (struct walk_stmt_info): Move to tree-gimple.h.
14021 (walk_stmts): Make extern.
14022 * omp-builtins.def: New file.
14023 * tree-iterator.c (expr_only): Clarify comment.
14024 * c-common.h (pushdecl_top_level, pushdecl,
14025 build_modify_expr, build_indirect_ref,
14026 c_finish_omp_master, c_finish_omp_critical,
14027 c_finish_omp_ordered, c_finish_omp_barrier,
14028 c_finish_omp_atomic, c_finish_omp_flush,
14029 c_finish_omp_for, c_split_parallel_clauses,
14030 omp_clause_default_kind, c_omp_sharing_predetermined,
14031 c_omp_remap_decl): Declare.
14032 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14033 (OBJS-common): Add omp-low.o.
14034 (c-omp.o, omp-low.o): Add.
14035 (gimplify.o): Add dependency on $(OPTABS_H).
14036 (GTFILES): Add omp-low.c.
14037 (gt-stringpool.h): Add.
14038 * tree-cfg.c (set_bb_for_stmt): Do not update the
14039 block-to-labels map if we are currently expanding to RTL.
14040 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14042 Handle IDENTIFIER_NODE.
14043 (tree_verify_flow_info): Do not ICE when emitting error
14044 messages about invalid labels.
14045 (dump_function_to_file): Reset CFUN before emitting the body
14047 (debug_function): New.
14048 * passes.c (init_optimization_passes): Schedule
14050 * langhooks-def.h (lhd_omp_predetermined_sharing,
14051 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14053 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14054 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14055 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14056 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14057 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14058 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14059 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14060 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14061 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14062 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14063 (LANG_HOOK_DECLS): Use them.
14065 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14066 Richard Henderson <rth@redhat.com>
14067 Jakub Jelinek <jakub@redhat.com>
14068 Diego Novillo <dnovillo@redhat.com>
14070 * c-parser.c (pragma_omp_clause): Define.
14071 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14072 (c_parser_compound_statement): Likewise.
14073 (c_parser_statement): Likewise.
14074 (c_parser_pragma): Handle omp pragmas.
14075 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14076 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14077 (c_parser_omp_clause_name, check_no_duplicate_clause,
14078 c_parser_omp_variable_list,
14079 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14080 c_parser_omp_clause_copyprivate,
14081 c_parser_omp_clause_default,
14082 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14083 c_parser_omp_clause_lastprivate,
14084 c_parser_omp_clause_nowait,
14085 c_parser_omp_clause_num_threads,
14086 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14087 c_parser_omp_clause_reduction,
14088 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14089 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14090 c_parser_omp_atomic, c_parser_omp_barrier,
14091 c_parser_omp_critical, c_parser_omp_flush,
14092 c_parser_omp_for_loop, c_parser_omp_for,
14093 c_parser_omp_master, c_parser_omp_ordered,
14094 c_parser_omp_sections_scope, c_parser_omp_sections,
14095 c_parser_omp_parallel, c_parser_omp_single,
14096 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14097 * c-pragma.c (init_pragma): Do omp pragma registration here.
14098 * c.opt (fopenmp): New flag.
14100 2006-01-18 Eric Christopher <echristo@apple.com>
14102 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14103 * config/darwin.h (GOMP_SELF_SPECS): Define.
14105 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14107 * rtl.h: Remove the prototype for reg_alloc.
14109 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14112 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14113 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14114 sjlj and dwarf2 exception handling.
14115 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14116 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14117 * pa/pa.c (function_value): Treat complex and vector types as
14119 (function_arg): Likewise. Only pass scalar floats in the floating
14120 point argument registers.
14121 * pa/t-slibgcc-dwarf-ver: New file.
14122 * pa/t-slibgcc-sjlj-ver: New file.
14123 * pa/t-slibgcc-elf-ver: Delete file.
14125 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14127 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14128 unlikely_test_section_p test.
14130 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14132 * mode-switching.c (optimize_mode_switching): Make it static.
14133 * basic-block.h: Remove the prototype for
14134 optimize_mode_switching.
14136 * modulo-sched.c (sms_schedule): Make it static.
14137 * rtl.h: Remove the prototype for sms_schedule.
14139 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14140 * rtl.h: Remove the prototype for gcse_after_reload_main.
14142 * reg-stack.c (reg_to_stack): Make it static.
14143 * rtl.h: Remove the prototype for reg_to_stack.
14145 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14147 * rtl.h: Remove the prototypes for regrename_optimize and
14148 copyprop_hardreg_forward.
14150 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14152 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14153 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14154 Test against the appropriate null constant for the mode.
14155 If 'fixup_overlap' is true, swap the operands if they overlap.
14156 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14157 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14158 alpha_split_tmode_pair and adjust for above change.
14159 * config/alpha/alpha.md (movtf_internal): Adjust call to
14160 alpha_split_tfmode_pair and rely on it to swap the operands.
14161 (movti_internal): New insn and post-reload splitter.
14162 (movti): New expander.
14164 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14166 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14169 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14171 * rtlanal.c (global_reg_mentioned_p_1,
14172 global_reg_mentioned_p): Remove.
14173 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14175 * flow.c (initialize_uninitialized_subregs): Make it static.
14176 * rtl.h: Remove the prototype for
14177 initialize_uninitialized_subregs.
14179 * function.c (instantiate_virtual_regs): Make it static.
14180 * function.h: Remove the prototype for
14181 instantiate_virtual_regs.
14183 * regmove.c (regmove_optimize, combine_stack_adjustments):
14185 * rtl.h: Remove the prototypes for regmove_optimize and
14186 combine_stack_adjustments.
14188 2006-01-17 Roger Sayle <roger@eyesopen.com>
14190 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14191 (size_cost): Encode costs in bytes so that a reg-reg addition is
14192 equivalent to COSTS_N_INSNS(1).
14193 (override_options): Use the size_cost.branch_cost as the default
14194 ix86_branch_cost when optimizing for size.
14196 2006-01-18 Ben Elliston <bje@au.ibm.com>
14198 * Makefile.in (D32PBIT_FUNCS): New.
14199 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14200 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14201 D64PBIT_FUNCS and D128PBIT_FUNCS.
14202 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14203 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14205 (decnumber_dep): Define.
14206 * doc/libgcc.texi (Decimal float library routines): New node.
14207 * config/dfp-bit.h, config/dfp-bit.c: New files.
14209 2006-01-18 Ben Elliston <bje@au.ibm.com>
14211 * expr.c (emit_move_change_mode): Always adjust addresses, not
14212 just during reload. Copy replacements only during reload.
14213 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14214 emit_move_via_integer.
14216 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14218 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14219 instead of $(srcdir) and ${srcdir}.
14221 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14224 PR middle-end/11135
14225 * arm.h (struct machine_function): Add pic_reg.
14226 * arm.c (arm_pic_register): Make unsigned.
14227 (arm_override_options): Only set arm_pic_register if
14228 TARGET_SINGLE_PIC_BASE.
14229 (use_return_insn): Only test for a pic register if it is fixed.
14230 (arm_compute_save_reg0_reg12_mask): Likewise.
14231 (thumb_compute_save_reg_mask): Likewise.
14232 (legitimate_pic_operand): Factor out some known invariants.
14233 (legitimize_pic_address): If we don't have a fixed pic register,
14234 then set up a pseudo in the function entry sequence. Handle the
14235 pic base being in a pseudo.
14236 (arm_load_pic_register): Handle the pic register being in a pseudo.
14237 (arm_expand_prologue): Only set up the pic register if it is fixed.
14238 (thumb_expand_prologue): Likewise.
14239 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14240 (pic_load_addr_based_insn): Likewise.
14241 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14244 2006-01-18 Ben Elliston <bje@au.ibm.com>
14246 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14247 decimal float modes for all floating point registers.
14249 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14250 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14252 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14255 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14256 even when the pointer is not NULL.
14258 2006-01-16 Ian Lance Taylor <ian@airs.com>
14260 * common.opt (ftoplevel-reorder): New option.
14261 * cgraph.c (cgraph_asm_nodes): New global variable.
14262 (cgraph_asm_last_node): New static variable.
14263 (cgraph_order): New global variable.
14264 (cgraph_create_node): Set new order field.
14265 (cgraph_varpool_node): Likewise.
14266 (decide_is_variable_needed): Return true if not
14267 flag_toplevel_reorder.
14268 (cgraph_add_asm_node): New function.
14269 * cgraph.h (struct cgraph_node): Add order field.
14270 (struct cgraph_varpool_node): Add order field.
14271 (struct cgraph_asm_node): Define.
14272 (cgraph_asm_nodes, cgraph_order): Declare.
14273 (cgraph_add_asm_node): Declare.
14274 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14276 (cgraph_varpool_assemble_pending_decls): Call it.
14277 (cgraph_output_pending_asms): New static function.
14278 (cgraph_finalize_compilation_unit): Call it.
14279 (struct cgraph_order_sort): Define.
14280 (cgraph_output_in_order): New static function.
14281 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14282 !flag_toplevel_reorder case.
14283 * c-parser.c: Include "cgraph.h".
14284 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14286 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14287 than -fno-unit-at-a-time.
14288 * doc/invoke.texi (Option Summary): Mention
14289 -fno-toplevel-reorder.
14290 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14291 -funit-at-a-time documentation.
14293 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14294 Kazu Hirata <kazu@codesourcery.com>
14296 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14298 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14300 * Makefile.in (FUNCTION_H): New. Use it instead of
14301 function.h throughout the file.
14302 * function.h: Include tree.h.
14304 2006-01-17 Ben Elliston <bje@au.ibm.com>
14306 * recog.c: Separate some functions with whitespace.
14308 2006-01-16 Richard Henderson <rth@redhat.com>
14310 Merge from gomp branch:
14311 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14312 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14313 and rename from struct inline_data. Rename callee* to dst*;
14314 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14315 transform_new_cfg, transform_return_to_modify, and
14316 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14318 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14319 (copy_decl_for_dup): Remove.
14320 * tree-inline.c (struct inline_data): Move to header.
14321 (insert_decl_map): Export.
14322 (remap_decl): Update for member name changes. Use copy_decl hook.
14323 Allow for replacement to be a non-decl. Remove dead code.
14324 (remap_type_1): Check for existing mapping.
14325 (remap_type): Export.
14326 (remap_decls): Update for member name changes.
14327 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14328 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14329 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14330 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14331 (tree_function_versioning, build_duplicate_type): Likewise.
14332 (copy_body_r): Likewise. Export.
14333 (copy_decl_for_dup): Split into ...
14334 (copy_decl_for_dup_finish, copy_decl_to_var,
14335 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14336 (replace_ref_tree, inlining_p): Remove.
14338 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14340 * ifcvt.c (if_convert): Make it static.
14341 * rtl.h: Remove the prototype for if_convert.
14343 * local-alloc.c (local_alloc): Make it static.
14344 * rtl.h: Remove the prototype for local_alloc.
14346 * loop.c (loop_optimize): Make it static.
14347 * cfgloop.h: Remove the prototype for loop_optimize.
14350 2006-01-16 DJ Delorie <dj@redhat.com>
14352 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14355 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14357 * pa.md: Disparage copies between general and floating-point registers
14358 in 32-bit move patterns.
14360 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14363 * Makefile.in (check-%): Depend on site.exp instead of
14364 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14367 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14369 * global.c (global_alloc): Make it static.
14370 * rtl.h: Remove the prototype for global_alloc.
14372 2006-01-16 Richard Guenther <rguenther@suse.de>
14374 * tree-ssa-alias.c (struct used_part): Add write_only field.
14375 (get_or_create_used_part_for): Initialize it to true.
14376 (create_overlap_variables_for): Don't create structure variables
14377 for structures that only are written to.
14378 (find_used_portions): Handle MODIFY_EXPR to track whether a
14379 structure is only written to.
14381 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14383 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14385 * basic-block.h: Remove the prototype for
14386 partition_hot_cold_basic_blocks.
14388 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14390 * cppspec.c (lang_specific_spec_functions): Remove.
14391 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14392 * gcc.h (lang_specific_spec_functions): Remove.
14393 * gccspec.c (lang_specific_spec_functions): Remove.
14395 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14397 * combine.c (record_value_for_reg): Invalidate registers
14399 (record_dead_and_set_regs_1): Likewise, by passing them to
14400 record_value_for_reg.
14401 (record_dead_and_set_regs): Invalidate stores made by a
14402 call. We do not combine across a call, but we still
14403 relied on equivalences.
14405 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14407 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14408 vrp_int_const_binop returning non-constant nodes.
14410 2006-01-16 Paul Brook <paul@codesourcery.com>
14412 * config/m68k/m68k.c (output_move_const_into_data_reg):
14413 Output correct mnemonic for mvz and mvs.
14415 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14417 * rtl-factoring.c: Add sequence abstraction algorithm.
14418 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14419 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14421 (block_has_preserve_label): New function.
14422 * common.opt: Register new pass.
14423 * Makefile.in: Ditto.
14425 * timevar.def: Ditto.
14426 * tree-pass.h: Ditto.
14427 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14428 * rtl.h (make_jump_insn_raw): Add forward decl.
14429 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14431 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14432 Roger Sayle <roger@eyesopen.com>
14434 * fold-const.c (fold_minmax): New static function.
14435 (fold_binary) <MIN_EXPR>: Call it.
14436 <MAX_EXPR>: Likewise.
14437 * stor-layout.c (place_field): Use DECL_SIZE consistently
14438 in the computation of the new record size.
14440 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14442 * cse.c (cse_condition_code_reg): Make it static.
14443 * rtl.h: Remove the prototype for cse_condition_code_reg.
14445 * combine.c (combine_instructions): Make it static.
14446 * rtl.h: Remove the prototype for combine_instructions.
14448 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14451 * tree.c (get_file_function_name_long): Concatenate the first global
14452 object name with a string derived from the input filename of the object
14455 2006-01-16 Ben Elliston <bje@au.ibm.com>
14457 * config/i386/winnt-stubs.c: Update FSF address.
14458 * config/xtensa/ieee754-df.S: Ditto.
14459 * config/xtensa/ieee754-sf.S: Ditto.
14461 2006-01-14 Ian Lance Taylor <ian@airs.com>
14463 * ifcvt.c (noce_init_if_info): New static function, broken out of
14464 noce_process_if_block.
14465 (noce_process_if_block): Call noce_init_if_info.
14466 (check_cond_move_block): New static function.
14467 (cond_move_process_if_block): New static function.
14468 (process_if_block): Call cond_move_process_if_block.
14470 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14472 * cselib.c (hash_table): Rename to cselib_hash_table.
14473 (cselib_clear_table, discard_useless_values,
14474 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14475 cselib_init, cselib_finish): Adjust uses of hash_table.
14477 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14479 PR tree-optimization/25485
14480 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14481 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14482 is known to be false and true, respectively.
14484 2006-01-14 Richard Guenther <rguenther@suse.de>
14486 PR tree-optimization/22548
14487 PR tree-optimization/22555
14488 PR tree-optimization/22501
14489 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14490 * params.def (salias-max-array-elements): New parameter.
14491 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14492 * doc/invoke.texi (salias-max-array-elements): Document.
14493 * tree-flow-inline.h (var_can_have_subvars): We also handle
14495 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14497 * tree-ssa-structalias.c (params.h): Include.
14498 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14499 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14500 (get_constraint_for): For ADDR_EXPR operating on something
14501 containing an ARRAY_REF, add all subvars to the solution.
14502 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14503 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14504 for creating MUST_DEFs.
14505 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14507 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14509 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14511 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14512 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14513 number_of_iterations_le): New functions.
14514 (number_of_iterations_special): Removed.
14515 (number_of_iterations_exit): Do not use number_of_iterations_special.
14516 * tree.c (unsigned_type_for): Always return integer type.
14518 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14519 Richard Guenther <rguenther@suse.de>
14521 PR rtl-optimization/24257
14522 * gcse.c (find_moveable_store): Only consider a store movable
14523 when the SET_SRC of the insn can be assigned to a register.
14525 2006-01-14 Ian Lance Taylor <ian@airs.com>
14527 * tree.c (tree_not_class_check_failed): New function.
14528 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14529 (tree_not_class_check_failed): Declare.
14531 2006-01-13 Ian Lance Taylor <ian@airs.com>
14533 * reload1.c (do_output_reload): Add assertion rejecting a
14536 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14538 * combine.c (struct reg_stat): Add new fields truncation_label and
14540 (record_value_for_reg): Reset truncated_to_mode.
14541 (record_truncated_value): New function.
14542 (check_promoted_subreg): Call it. Rename to check_conversions.
14543 (combine_instructions): Rename check_promoted_subreg to
14545 (reg_truncated_to_mode): New function.
14546 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14547 (gen_lowpart_or_truncate): New function.
14548 (force_to_mode): Use it instead of gen_lowpart.
14550 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14552 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14553 VAR is a tag, not its type tag.
14555 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14557 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14558 alternatives to match style of other entries.
14559 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14561 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14563 PR tree-optimization/25771
14564 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14567 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14570 * tree-inline.c (declare_return_variable): If the return variable
14571 was marked as a non gimple complex, set the return slot variable
14572 to be a non gimple comple variable.
14574 2006-01-13 Richard Guenther <rguenther@suse.de>
14576 * builtins.c (expand_builtin_sincos): New function.
14577 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14579 (expand_builtin): Expand sincos using expand_builtin_sincos.
14581 2006-01-12 DJ Delorie <dj@redhat.com>
14583 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14584 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14585 so that constant shifts can be split.
14586 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14587 (m32c_valid_pointer_mode): Make static.
14588 (shift_gen_func_for): New.
14589 (m32c_prepare_shift): Use it. Split large const shifts into
14591 * config/m32c/predicates.md (shiftcount_operand): Allow more
14593 (longshiftcount_operand): New.
14594 * doc/md.texi (Machine Constraints): Document In6.
14596 2006-01-13 Ben Elliston <bje@au.ibm.com>
14598 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14599 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14602 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14604 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14605 to try to avoid clobbering pieces of structures when we know
14606 something about the whole structure.
14607 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14609 2006-01-13 Ben Elliston <bje@au.ibm.com>
14611 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14612 return in memory, as this is no limitation is no longer present.
14614 2006-01-12 DJ Delorie <dj@redhat.com>
14616 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14617 mova with fb, and for fb+0 -> An.
14619 * config/m32c/mov.md (peephole2): Fix enabling logic.
14621 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14622 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14623 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14624 FINI_ARRAY_SECTION_ASM_OP): Define.
14626 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14628 (m32c_legitimize_reload_address): New logic to reload FB to An.
14629 (m32c_output_reg_push): Add newline.
14630 (m32c_output_reg_pop): Likewise.
14632 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14634 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14636 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14638 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14640 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14642 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14645 2006-01-11 Ben Elliston <bje@au.ibm.com>
14647 * rtlanal.c (find_reg_note): Assert insn is not null.
14649 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14651 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14654 2006-01-11 Jeff Law <law@redhat.com>
14656 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14658 (mark_threaded_blocks, register_jump_thread): New functions.
14659 (thread_through_all_blocks): Remove unwanted argument. No
14660 longer rely on e->aux to communicate thread target info.
14661 Call mark_threaded_blocks. Release the threaded_blocks
14662 bitmap and threaded_edges vector when complete.
14663 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14664 (threaded_blocks): Remove.
14665 (tree_ssa_dominator_optimize): Remove initialization and
14666 finalization of threaded_blocks. Simplify call to
14667 thread_through_all_blocks.
14668 (thread_across_edge): Call register_jump_thread rather than
14669 storing thread information into e->aux.
14670 (free_all_edge_infos): Simplify now that e->aux is no longer
14671 used to communicate with thread_through_all_blocks.
14672 * tree-flow.h (thread_through_all_blocks): Update prototype.
14673 (register_jump_thread): Prototype.
14675 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14677 * df-core.c (df_compact_blocks, df_bb_replace): Use
14678 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14680 2006-01-11 Richard Guenther <rguenther@suse.de>
14682 PR tree-optimization/25734
14683 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14684 stop propagation after successful propagation to the LHS.
14686 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14688 * basic-block.h (control_flow_graph): Change the type of
14689 x_basic_block_info to VEC(basic_block,gc) *.
14690 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14692 (SET_BASIC_BLOCK): New.
14693 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14694 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14695 * cfgbuild.c (find_basic_blocks): Likewise.
14696 * cfglayout.c (fixup_reorder_chain): Likewise.
14697 * cfgrtl.c (create_basic_block_structure,
14698 rtl_create_basic_block): Likewise.
14699 * ifcvt.c (find_if_case_1): Likewise.
14700 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14703 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14705 * Makefile.in: Removed rotted odf.c entry.
14707 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14710 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14711 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14712 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14713 output pattern modifier, not %e.
14714 * config/cris/cris.c (cris_op_str): Update comment about pattern
14716 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14717 before falling through into...
14718 <case 'E'>: Redefined from old 'e' case.
14720 2006-01-11 Jan Hubicka <jh@suse.cz>
14723 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14725 2006-01-11 Jan Hubicka <jh@suse.cz>
14727 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14728 * i386.c (x86_decompose_lea): Kill.
14729 (ix86_rtx_costs): Kill.
14731 2006-01-11 Jan Hubicka <jh@suse.cz>
14733 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14734 * cgraph.h (cgraph_node): Add inline_decl.
14735 (cgraph_insert_node_to_hashtable): Declare.
14736 (save_inline_function_body): Declare.
14737 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14739 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14740 (cgraph_function_versioning): Update call of tree_function_versioning.
14741 (save_inline_function_body): New function.
14742 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14743 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14744 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14745 (cgraph_default_inline_p): Likewise.
14746 (cgraph_decide_inlining_incrementally): Likewise.
14747 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14748 (copy_bb): Kill saving; do updating of clones.
14749 (copy_cfg_body): Kill saving.
14750 (initialize_inlined-parameters): Likewise.
14751 (expand_call_inline): Likewise.
14753 (tree_function_versioning): New parameter "update_clones".
14754 (inlining_p): Kill saving.
14755 * tree-inline.h (tree_function_versioning): Update prototype.
14756 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14759 2006-01-11 Ian Lance Taylor <ian@airs.com>
14761 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14762 Allow undoing set of machine mode.
14763 (do_SUBST): Use enums instead of is_int.
14764 (do_SUBST_MODE): New function.
14765 (SUBST_MODE): New macro.
14766 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14767 reg and trying to replace reg_regno_rtx with a new register.
14768 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14769 (simplify_set): Use SUBST_MODE.
14770 (distribute_notes): Remove code that tried to update reg notes
14771 for regno_reg_rtx changes.
14773 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14775 PR tree-optimization/23109
14776 PR tree-optimization/23948
14777 PR tree-optimization/24123
14779 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14780 * tree-cfg.c (single_noncomplex_succ): New.
14781 * tree-flow.h (single_noncomplex_succ): Declare it.
14782 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14783 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14784 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14785 insert_bb, register_division_in, insert_reciprocals,
14786 replace_reciprocal, free_bb): New.
14787 (execute_cse_reciprocals_1): Rewritten.
14788 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14789 Do not commit any edge insertion. Always compute dominators and
14790 create the allocation pool.
14791 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14792 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14793 * targhooks.c (default_min_divistions_for_recip_mul): New.
14794 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14795 * passes.c (init_optimization_passes): Run recip after tree loop
14797 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14799 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14800 Kenneth Zadeck <zadeck@naturalbridge.com>
14802 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14803 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14804 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14805 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14806 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14807 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14808 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14809 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14810 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14811 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14812 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14813 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14814 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14815 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14816 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14817 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14818 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14819 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14820 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14821 DF_SCAN_POST_ALLOC): New macros.
14822 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14823 df_free_bb_function, df_local_compute_function, df_init_function,
14824 df_dataflow_function, df_confluence_function_0,
14825 df_confluence_function_n, df_transfer_function,
14826 df_finalizer_function, df_free_function, df_dump_problem_function,
14827 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14828 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14829 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14830 df_urec_bb_info, ) New types.
14831 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14833 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14834 df_analyze_simple_change_some_blocks,
14835 df_analyze_simple_change_one_block, df_compact_blocks,
14836 df_bb_replace, df_bb_regno_last_use_find,
14837 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14838 df_insn_regno_def_p, df_find_def, df_find_use,
14839 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14840 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14841 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14842 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14843 debug_df_chain, df_get_dependent_problem, df_chain_create,
14844 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14845 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14846 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14847 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14848 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14849 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14850 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14851 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14852 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14853 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14854 df_reorganize_refs, df_set_state, df_hard_reg_init,
14855 df_read_modify_subreg_p) New public functions.
14856 * df-core.c: The core dataflow solver and glue routines for rtl
14858 (df_init, df_add_problem, df_set_blocks, df_finish,
14859 df_hybrid_search_forward, df_hybrid_search_backward,
14860 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14861 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14862 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14863 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14864 df_reg_defined, df_find_use, df_reg_used, df_dump,
14865 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14866 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14867 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14868 debug_df_useno, reset_df_after_reload): New functions.
14869 * df-scan.c: The scanning fuctions, once in df.c, completely
14870 rewritten so that they now fully model the functionality of
14871 register usage at the backend.
14872 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14873 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14874 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14875 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14876 df_get_artificial_defs, df_get_artificial_uses,
14877 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14878 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14879 df_refs_delete, df_reorganize_refs, df_set_state,
14880 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14881 df_def_record_1, df_defs_record, df_uses_record,
14882 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14883 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14884 df_record_exit_block_uses, df_hard_reg_init): New functions.
14886 * df-problems.c: Seven concrete dataflow problems that use the
14887 scanning in df-scan.c and are solved by the engine in df-core.c.
14888 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14889 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14890 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14891 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14892 df_ru_free_bb_info, df_ru_alloc,
14893 df_ru_bb_local_compute_process_def,
14894 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14895 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14896 df_ru_transfer_function, df_ru_free, df_ru_dump,
14897 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14898 df_rd_free_bb_info, df_rd_alloc,
14899 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14900 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14901 df_rd_transfer_function, df_rd_free, df_rd_dump,
14902 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14903 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14904 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14905 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14906 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14907 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14908 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14909 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14910 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14911 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14912 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14913 df_urec_mark_reg_use_for_earlyclobber,
14914 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14915 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14916 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14917 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14918 df_chain_create_bb_process_use, df_chain_create_bb,
14919 df_chain_finalize, df_chain_free, df_chains_dump,
14920 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14921 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14922 df_reg_lifetime): New functions.
14923 * df.c: Deleted file.
14924 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14925 consistent with new df api.
14926 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14927 rest_of_handle_sms): Ditto.
14928 * web.c (unionfind_union, union_defs, entry_register, web_main):
14930 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14931 invariant_expr_equal_p, find_defs, check_dependencies,
14932 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14933 free_inv_motion_data, move_loop_invariants): Ditto.
14934 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14935 Update dependencies.
14936 (odf.c): Added defective entry that was deleted later in day.
14937 * sched-deps.c (sched_analyze_1): Ditto.
14939 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14941 * tree-ssa-operands.c (get_expr_operands): Record addressable
14942 variables directly. Do not call add_stmt_operands for CONST_DECLs
14944 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14945 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14947 2006-01-11 Ben Elliston <bje@au.ibm.com>
14949 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14950 function returns true in the positive case.
14952 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14955 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14956 for SI, DI, SF and DF modes. Add alternatives to copy between
14957 general and floating point registers to the 32-bit patterns.
14958 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14959 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14960 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14961 generating 64-bit code.
14962 * config/pa/pa.c (output_move_double): Handle copies between general
14963 and floating registers.
14965 2006-01-10 Stuart Hastings <stuart@apple.com>
14967 * config/i386/i386.md (set_got): Update.
14968 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14969 (builtin_setjmp_receiver): Mach-O support.
14970 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14971 (GOT_SYMBOL_NAME): Define.
14972 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14973 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14974 * config/i386/i386.c (override_options): Revise for Darwin.
14975 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14976 support. (darwin_x86_file_end): New. (output_set_got): Add label
14977 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14978 * config/i386/i386-protos.h (output_set_got): Likewise.
14979 * config/darwin.c (machopic_legitimize_pic_address): Update
14982 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
14984 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
14985 when MODE isn't BLKmode.
14987 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
14989 PR rtl-optimization/25367
14990 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
14992 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
14995 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
14996 for a negative bound.
14998 2006-01-10 Richard Guenther <rguenther@suse.de>
15000 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15001 Never override with anything constraint.
15003 2006-01-10 Jan Beulich <jbeulich@novell.com>
15005 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15006 256 bits when optimize_size.
15008 2006-01-10 Jan Beulich <jbeulich@novell.com>
15010 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15012 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15013 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15016 2006-01-10 Ben Elliston <bje@au.ibm.com>
15018 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15020 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15021 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15022 (USE_FP_FOR_ARG): Reject decimal float modes.
15023 (function_arg_advance): Likewise.
15024 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15025 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15026 point types in AltiVec vectors.
15027 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15028 (rs6000_libcall_value): Likewise.
15030 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15032 * config/xtensa/ieee754-df.S: New file.
15033 * config/xtensa/ieee754-sf.S: New file.
15034 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15035 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15036 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15038 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15040 * config/sh/predicates.md (binary_float_operator,
15041 binary_logical_operator, commutative_float_operator,
15042 equality_comparison_operator, greater_comparison_operator,
15043 less_comparison_operator, logical_operator,
15044 noncommutative_float_operator, shift_operator,
15045 symbol_ref_operand, unary_float_operator): Remove redundant
15048 2006-01-09 Jeff Law <law@redhat.com>
15050 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15051 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15052 now unused arguments. Callers updated.
15053 (eliminate_redundant_computations): Remove now unused arguments,
15055 (local_fold): Remove, no longer used.
15056 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15058 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15059 (simplify_cond): New function.
15060 (forward_propagate_into_cond): Call simplify_cond.
15062 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15064 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15065 (*vec_extractv2di_1_sse): New.
15067 2006-01-09 Ben Elliston <bje@au.ibm.com>
15069 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15071 2006-01-08 Richard Guenther <rguenther@suse.de>
15073 * tree-ssa-structalias.c (get_constraint_for): Remove
15074 anyoffset argument.
15075 (get_constraint_for_component_ref): Likewise.
15076 (do_deref): Likewise.
15077 (get_constraint_for): Likewise.
15078 (do_structure_copy): Likewise.
15079 (handle_ptr_arith): Likewise.
15080 (find_func_aliases): Likewise. Remove unused need_anyoffset
15083 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15084 Kaz Kojima <kkojima@gcc.gnu.org>
15086 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15087 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15088 (EXTRA_CONSTRAINT_C16): Remove.
15089 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15090 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15091 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15092 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15093 constants of SHmedia. Handle nested constant expressions of
15095 (andcosts): Fix the costs for SHmedia constants.
15096 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15097 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15098 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15099 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15100 (movv4hi_i, movv2si_i): Likewise.
15101 (movsi_const): Adjust the second operand of ior so to match with
15102 the Csu constraint.
15103 (movdi_const, movdi_const_32bit): Likewise.
15104 (movdi_const_16bit+1): Don't sign-extend LOW.
15105 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15107 (*double_shori): Fix the split condition. Use GEN_INT instead
15108 of get_int_mode calls. Mask lower 16-bit of the argument of
15110 (sym2GOTPLT): Remove.
15111 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15113 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15114 instead of EXTRA_CONSTRAINT_C16.
15116 2006-01-07 Ian Lance Taylor <ian@airs.com>
15117 David Edelsohn <edelsohn@gnu.org>
15119 PR rtl-optimization/25662
15120 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15121 for constant operands instead of simplify_gen_binary.
15122 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15123 after trying simplify_binary_operation
15125 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15127 * tree.c (iterative_hash_expr): Hash decls based on UID.
15129 2006-01-06 Eric Christopher <echristo@apple.com>
15131 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15132 (TARGET_UNWIND_EMIT): Fix spelling.
15133 * target.h (gcc_target): Add except_table_label.
15134 * except.c (output_function_exception_table): Use.
15135 * varasm.c (default_emit_except_table_label): New.
15136 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15138 (asm_out): Add here.
15139 * output.h (default_emit_except_table_label): Prototype.
15140 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15141 * config/darwin.c (darwin_emit_except_table_label): Define.
15142 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15144 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15146 PR tree-optimization/18527
15147 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15148 number_of_iterations_special, number_of_iterations_exit):
15149 Move base and step of an iv to a single structure. Add
15150 no_overflow flag, and use it in # of iterations analysis.
15151 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15152 folded_casts argument.
15153 (simple_iv): Pass base and step in a structure. Set no_overflow
15155 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15156 Evaluate expensiveness of computing # of iterations instead of
15157 the final expression.
15158 * tree-scalar-evolution.h (affine_iv): New structure.
15159 (simple_iv): Declaration changed.
15160 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15161 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15162 find_givs_in_stmt): Changed due to simple_iv change.
15164 2006-01-06 Jeff Law <law@redhat.com>
15167 * tree-cfg.c (bsi_replace): Rename final argument from
15168 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15169 change (stmt -> orig_stmt).
15170 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15171 (bsi_remove): Add new argument. Remove EH information
15173 (verify_eh_throw_table_statements): New function.
15174 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15176 * tree-optimize.c (execute_free_cfg_annotations): Verify
15177 the EH throw statement table after removing annotations.
15178 * except.h (verify_eh_throw_table_statements): Prototype.
15179 * tree-flow.h (bsi_remove): Update prototype.
15180 * tree-vrp.c (remove_range_assertions): Add new argument to
15182 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15183 * tree-complex.c (expand_complex_div_wide): Likewise.
15184 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15185 * tree-tailcall.c (eliminate_tailcall): Likewise.
15186 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15187 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15188 * tree-nrv.c (tree_nrv): Likewise.
15189 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15190 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15191 (combine_blocks): Likewise.
15192 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15193 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15194 (cleanup_control_flow): Likewise.
15195 (remove_forwarder_block): Likewise.
15196 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15197 * tree-sra.c (sra_replace): Likewise.
15198 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15199 (forward_propagate_single_use_vars): Likewise.
15200 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15201 * tree-inline.c (expand_call_inline): Likewise.
15202 * tree-vect-transform.c (vect_transform_loop): Likewise.
15203 * tree-outof-ssa.c (rewrite_trees): Likewise.
15204 * tree-cfg.c (make_goto_expr_edges): Likewise.
15205 (cleanup_dead_labels): Likewise.
15206 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15207 (bsi_move_before, bsi_move_after): Likewise.
15208 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15209 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15211 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15214 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15216 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15217 on non gimple variables. Also add checks at the top for decls and
15219 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15221 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15222 and IMAGPART_EXPR for creating MUST_DEFs.
15223 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15224 and NAME_MEMORY_TAG separately from the DECLs.
15226 2006-01-06 Richard Guenther <rguenther@suse.de>
15228 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15229 annotation, if necessary.
15230 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15231 redundant calls to update_stmt.
15232 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15235 2006-01-05 Richard Henderson <rth@redhat.com>
15237 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15239 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15241 * c-typeck.c: Update copyright date.
15243 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15245 * c-typeck.c (build_c_cast): Always warn when casting
15246 from a pointer to an integer of different size, even if
15247 the node was constant.
15249 2006-01-05 Richard Guenther <rguenther@suse.de>
15251 PR tree-optimization/22555
15252 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15253 if one structure field is an array.
15254 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15255 operands even if we found a subvar, but ignore VOPs in this
15257 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15259 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15261 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15263 PR middle-end/24998
15264 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15266 2006-01-05 Richard Guenther <rguenther@suse.de>
15267 Diego Novillo <dnovillo@redhat.com>
15269 * tree-pass.h (TODO_remove_unused_locals): Define.
15270 * gimple-low.c (expand_var_p, remove_useless_vars,
15271 pass_remove_useless_vars): Remove. Update all users.
15272 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15273 (remove_unused_locals): New function.
15274 * tree-flow.h (remove_unused_locals): Declare.
15275 * passes.c (execute_todo): Call remove_unused_locals if
15276 TODO_remove_unused_locals is set.
15277 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15278 * tree-ssa-dce.c (pass_dce): Likewise.
15279 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15281 2006-01-05 Richard Guenther <rguenther@suse.de>
15283 * tree-flow.h (struct fieldoff): Decompose field to
15284 type, size and decl.
15285 * tree-ssa-alias.c (create_sft): Take type as parameter.
15286 (create_overlap_variables_for): Store type, size and decl
15287 in the fieldoff structure.
15288 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15289 of struct fieldoff.
15290 (push_fields_onto_fieldstack): Likewise.
15291 (create_variable_info_for): Likewise. Use offset for the
15292 SFT name if the decl is not available.
15294 2006-01-04 Paul Brook <paul@codesourcery.com>
15296 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15298 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15300 * lambda-code.c (can_put_in_inner_loop): Relax
15302 (can_put_after_inner_loop): New function.
15303 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15304 (perfect_nestify): Change to make copies and modify uses.
15306 2006-01-04 Richard Henderson <rth@redhat.com>
15308 Merge from gomp branch:
15309 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15310 via integer constant.
15311 (pragma_lex): Remove.
15312 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15313 rather than parsing it.
15314 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15315 handle_pragma_extern_prefix): Add %< %> quotes.
15316 (registered_pragmas): New.
15317 (c_register_pragma_1): New.
15318 (c_register_pragma): Use it.
15319 (c_register_pragma_with_expansion): Likewise.
15320 (c_invoke_pragma_handler): New.
15321 (init_pragma): Use cpp_register_deferred_pragma directly for
15323 * c-pragma.h (enum pragma_kind): New.
15324 (pragma_handler): New.
15325 (c_invoke_pragma_handler): Declare.
15326 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15328 * c-common.h (c_common_pch_pragma): Update decl.
15329 * Makefile.in (c-parser.o): Update dependencies.
15330 (GTFILES): Add c-pragma.h.
15331 * c-parser.c (struct c_token): Add pragma_kind.
15332 (struct c_parser): Add in_pragma.
15333 (c_lex_one_token): Always initialize keyword and pragma_kind.
15334 Extract data for CPP_PRAGMA.
15335 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15336 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15337 Don't allow CPP_PRAGMA_EOL if in_pragma.
15338 (c_parser_consume_pragma): New.
15339 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15340 (c_parser_skip_to_end_of_parameter): Likewise.
15341 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15342 (c_parser_skip_to_pragma_eol): New.
15343 (c_parser_external_declaration): Handle CPP_PRAGMA.
15344 (c_parser_compound_statement_nostart): Likewise.
15345 (c_parser_statement_after_labels): Likewise.
15346 (c_parser_pragma): New.
15347 (pragma_lex): Likewise.
15348 (c_parser_pragma_pch_preprocess): New.
15349 (c_parser_new): Merge into ...
15350 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15352 2006-01-04 Jeff Law <law@redhat.com>
15355 * tree-cfg.c (bsi_replace): Remove the original statement
15356 from the EH throw statement table.
15358 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15360 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15361 make the prototype extern "C" and add throw ().
15364 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15365 and pos non-negative and pos + len <= 32.
15366 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15367 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15368 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15371 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15372 as well as sizes not multiple of component size.
15375 * function.c (instantiate_expr): New function.
15376 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15377 walk its DECL_VALUE_EXPR with instantiate_expr.
15379 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15380 DW_OP_deref{,_size} if address isn't going to be added.
15382 2006-01-04 Ben Elliston <bje@au.ibm.com>
15384 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15385 * config/fp-bit.c: Likewise.
15387 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15389 * dominance.c: Add comment about why we use DFS numbering
15392 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15393 Richard Henderson <rth@redhat.com>
15395 Merge from gomp-branch:
15396 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15397 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15399 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15401 PR rtl-optimization/25578
15402 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15403 pass a parameter to simplify_shift_const if changing ASHIFTRT
15406 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15408 * builtins.c (get_builtin_sync_mem): New function.
15409 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15410 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15411 Call get_builtin_sync_mem to generate mem rtx.
15413 2006-01-03 Richard Guenther <rguenther@suse.de>
15416 * stmt.c (add_case_node): Make sure to clear overflow flags
15419 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15421 Merge from gomp-branch.
15422 * config/sparc/sync.md: New file.
15423 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15424 UNSPECV_LDSTUB): New constants.
15425 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15426 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15427 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15430 2006-01-03 Roger Sayle <roger@eyesopen.com>
15432 * combine.c (reg_subword_p): New predicate to test whether the
15433 destination of a set refers to a subword/piece of a register.
15434 (try_combine): Generalize the code to merge the setting of a
15435 pseudo to a constant followed by a set of a subword of that
15436 register to a constant.
15438 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15440 * basic-block.h (control_flow_graph): Change the type of
15441 x_label_to_block_map to VEC(basic_block,gc) *.
15442 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15443 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15445 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15446 VEC(basic_block,heap) *.
15447 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15448 ssa_prop_fini): Adjust the uses of cfg_blocks.
15450 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15452 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15454 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15455 hashing trees instead of a pointer hash.
15456 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15457 compare for MEM_EXPR.
15459 PR rtl-optimization/25130
15460 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15461 when comparing MEMs for GCSE
15463 2006-01-03 Ben Elliston <bje@au.ibm.com>
15465 * targhooks.h (default_decimal_float_supported_p): Declare.
15466 * targhooks.c (default_decimal_float_supported_p): Define.
15467 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15468 `default_decimal_float_supported_p'.
15469 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15471 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15473 * combine.c (apply_distributive_law <SUBREG>): Check
15474 TRULY_NOOP_TRUNCATION.
15476 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15478 * dwarf2out.c (have_switched_text_section): Delete.
15479 (have_multiple_function_sections): New.
15480 (have_location_lists): Make 'bool'.
15481 (add_AT_loc_list): Use 'true' not '1'.
15482 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15483 (output_loc_list): Use have_multiple_function_sections.
15484 (output_ranges): Likewise.
15485 (dwarf2out_begin_function): Set have_multiple_function_sections if
15487 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15488 Check function_section rather than DECL_SECTION_NAME.
15489 (dwarf2out_finish): Use have_multiple_function_sections.
15490 Don't clear have_location_lists.
15492 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15493 Jan Hubicka <jh@suse.cz>
15495 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15496 case of conditional jump jumping to the next instruction.
15497 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15498 cases of conditional jump jumping to the next instruction.
15500 2006-01-02 Jan Hubicka <jh@suse.cz>
15502 * i386.c (*_cost): Add COSTS_N_INSNS.
15503 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15505 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15508 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15510 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15512 * config/arm/arm.c (all_fpus): Fix comment typo.
15513 * config/darwin.c: Likewise.
15514 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15515 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15516 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15518 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15520 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15521 (rs6000_split_compare_and_swapqhi): New.
15522 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15523 (sync_compare_and_swapqhi_internal): New.
15524 * config/rs6000/rs6000-protos.h: Declare.