1 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/29290
4 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
8 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
9 * config/i386/predicates.md (local_symbolic_operand): Likewise.
12 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
13 the number of vector elements fill the rest with zeros.
15 2006-10-05 Richard Sandiford <richard@codesourcery.com>
17 * config/mips/mips.c (mips_pass_by_reference): Do not return false
18 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
21 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
23 * config/bfin/bfin.md (subsi3): Lose expander, change previously
24 unnamed pattern into subsi3. Use correct constraints/predicates.
25 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
26 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
28 2006-10-05 Ira Rosen <irar@il.ibm.com>
30 * doc/loop.texi: Add data references analysis description.
32 2006-10-04 Brooks Moses <bmoses@stanford.edu>
34 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
36 2006-10-04 Richard Henderson <rth@redhat.com>
37 Jakub Jelinek <jakub@redhat.com>
39 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
40 * builtin-types.def (BT_WORD): Make unsigned.
41 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
42 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
43 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
44 * c-decl.c (grokdeclarator): Don't error if !have_tls.
45 * c-parser.c (c_parser_omp_threadprivate): Likewise.
46 * cgraph.c (decide_is_variable_needed): Look at force_output.
47 Recurse for emulated tls.
48 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
49 checks redundant with decide_is_variable_needed.
50 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
51 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
53 * expr.c (emutls_var_address): New.
54 (expand_expr_real_1): Expand emulated tls.
55 (expand_expr_addr_expr_1): Likewise.
56 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
57 * output.h (emutls_finish): Declare.
58 * toplev.c (compile_file): Call it.
59 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
60 address before wrapping in CONST.
61 * varasm.c (emutls_htab, emutls_object_type): New.
62 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
63 (get_emutls_object_name, get_emutls_object_type): New.
64 (get_emutls_init_templ_addr, emutls_decl): New.
65 (emutls_common_1, emutls_finish): New.
66 (assemble_variable): When emulating tls, swap decls; generate
67 constructor for the emutls objects.
68 (do_assemble_alias): When emulating tls, swap decl and target name.
69 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
72 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
73 tls_object for real tls.
75 2006-10-04 Zack Weinberg <zackw@panix.com>
77 Fix bug in constraint-check generator, reported by Rask Ingemann
79 * genpreds.c (add_constraint): Don't remove anything from the
81 (write_tm_constrs_h): Detect whether "op" argument is used, and
82 mark it ARG_UNUSED if it isn't.
83 (write_insn_const_int_ok_for_constraint): Skip the part of the
84 expression that would test whether "op" (which is not available
87 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
90 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
92 2006-10-03 Geoffrey Keating <geoffk@apple.com>
94 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
95 current Leopard versions.
96 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
98 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
100 * doc/install.texi: Fix typos.
102 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
104 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
105 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
106 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
108 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
110 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
111 arg to be struct mach_header_64* instead.
113 2006-10-02 Jakub Jelinek <jakub@redhat.com>
116 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
117 side effects after the outer expression's post side effects.
119 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
121 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
122 comments to reflect actual behavior and relationship between
123 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
125 * doc/c-tree.texi (Working with declarations): Fix documentation
126 of FIELD_DECL likewise.
128 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
131 * doc/extend.texi: Add used variable attribute description.
133 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
136 * c.opt (Woverride-init): New.
137 * c-opts.c (c_common_post_options): Default warn_override_init to
139 * c-typeck.c (add_pending_init, output_init_element): Warn for
140 overriding initializers without side effects.
141 * doc/invoke.texi (-Woverride-init): Document.
144 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
146 PR rtl-optimization/28096
147 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
148 assignment has already been used as a destination earlier in the block.
150 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
152 * builtins.c (expand_builtin_setjmp): Delete.
153 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
154 <BUILT_IN_SETJMP_SETUP>: New case.
155 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
156 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
157 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
158 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
159 (BUILT_IN_SETJMP_RECEIVER): Likewise.
160 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
161 (lower_function_body): Initialize it to false. If it is set to true
162 at the end of the processing, emit the setjmp dispatcher.
163 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
164 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
165 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
166 on the rhs of the assignment.
167 (lower_builtin_setjmp): New function.
168 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
169 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
170 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
171 to detect calls that can go to non-local labels. Use specific
172 helper to create the abnormal edges associated with them.
173 <MODIFY_EXPR>: Likewise.
174 (make_abnormal_goto_edges): New function extracted from...
175 (make_goto_expr_edges): ...here. Call it for computed gotos.
176 (simple_goto_p): Minor tweak.
177 (tree_can_make_abnormal_goto): New predicate.
178 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
179 (tree_purge_dead_abnormal_call_edges): New function.
180 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
181 (tree_purge_dead_abnormal_call_edges): Likewise.
182 (make_abnormal_goto_edges): Likewise.
183 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
184 Purge all dead abnormal edges if the call was in the last statement.
185 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
186 (execute_fixup_cfg): If there are non-local labels in the function,
187 scan the basic blocks and split them at calls that can go to non-local
188 labels or add missing abnormal call edges. Write down the CFG in the
190 (pass_fixup_cfg): Remove TODO_dump_func flag.
191 * unwind-sjlj.c: Poison setjmp.
192 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
193 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
194 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
195 (DONT_USE_BUILTIN_SETJMP): Document it.
197 2006-09-28 Geoffrey Keating <geoffk@apple.com>
200 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
201 to 1 when __ppc64__ is defined.
202 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
204 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
206 2006-09-28 Steve Ellcey <sje@cup.hp.com>
208 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
209 * config/ia64/unwind-hpux.c: Delete.
211 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
213 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
214 on the element before gimplifying it, instead of punting if it is of
217 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
219 * doc/loop.texi: New file.
220 * doc/gccint.texi: Reference loop.texi.
221 * Makefile.in (loop.texi): Add.
223 2006-09-27 Geoffrey Keating <geoffk@apple.com>
225 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
227 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
228 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
230 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
232 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
234 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
236 * doc/install.texi: Document required versions of GMP and MPFR.
238 2006-09-27 Paul Brook <paul@codesourcery.com>
241 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
243 2006-09-27 Richard Sandiford <richard@codesourcery.com>
245 * reload1.c (alter_reg): Require the alignment of the stack slot to
246 be at least reg_max_ref_width bytes.
247 (scan_paradoxical_subregs): Record the largest width in
250 2006-09-26 Jakub Jelinek <jakub@redhat.com>
254 * tree-nested.c (struct nesting_info): Added static_chain_added.
255 (convert_call_expr): Set static_chain_added when adding static
256 chain. Handle OMP_PARALLEL and OMP_SECTION.
258 2006-09-25 Matthias Klose <doko@debian.org>
260 * doc/invoke.texi: Add missing full stop.
262 2006-09-25 Richard Henderson <rth@redhat.com>
264 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
265 before cgraph_function_flags_ready.
267 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
268 Adam Nemet <anemet@caviumnetworks.com>
270 * tree-ssa-loop-ivopts.c (aff_combination_convert,
271 determine_common_wider_type): New functions.
272 (get_computation_aff): Use them to simplify arithmetic between
273 UBASE and CBASE if they are shortened from the same type.
275 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
278 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
279 -2147483647 - 1 instead of 0x80000000.
281 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
283 * flags.h (HONOR_NANS): Fix typo in comment.
285 2006-09-23 Uros Bizjak <uros@kss-loka.si>
287 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
289 2006-09-23 Jakub Jelinek <jakub@redhat.com>
293 * tree.c (merge_attributes, attribute_list_contained): If both
294 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
296 * c-typeck.c (comptypes_internal): Don't consider aggregates
297 in different TUs as compatible if there one set of attributes is
298 not a subset of the other type's attributes.
299 (composite_type): Try harder not to create a new aggregate type.
301 2006-09-22 Geoffrey Keating <geoffk@apple.com>
303 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
304 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
305 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
306 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
307 than replicating condition above.
308 * config.host (i[34567]86-*-*): Always use driver-i386.o.
310 * config/darwin.h (LINK_SYSROOT_SPEC): New.
311 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
312 the linker by default.
314 2006-09-22 Mike Stump <mrs@apple.com>
316 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
319 2006-09-22 Richard Guenther <rguenther@suse.de>
322 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
323 sort of stack variables stable.
325 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
328 * explow.c (force_reg): Set REG_POINTER flag according to
331 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
333 PR tree-optimization/28888
334 * tree-if-conv.c (combine_blocks): Rewritten.
335 * tree-cfg.c (tree_verify_flow_info): Check that edges with
336 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
338 2006-09-22 Jakub Jelinek <jakub@redhat.com>
340 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
343 2006-09-21 Richard Sandiford <richard@codesourcery.com>
345 * varasm.c (copy_constant): Fix reversed gcc_assert check.
347 2006-09-21 Janis Johnson <janis187@us.ibm.com>
349 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
351 2006-09-21 Roger Sayle <roger@eyesopen.com>
354 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
355 dw_fde_current_label, to be the start of the function, i.e. the same
356 value as dw_fde_begin.
358 2006-09-20 Richard Sandiford <richard@codesourcery.com>
360 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
361 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
362 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
363 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
364 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
365 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
366 (abs<mode>2, neg<mode>2): Likewise.
367 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
368 (*mips_abs_ps): New define_insn.
370 2006-09-20 Josh Conner <jconner@apple.com>
373 * calls.c (expand_call): Allow reuse of structure return stack
376 2006-09-20 Paul Brook <paul@codesourcery.com>
378 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
381 2006-09-20 Janis Johnson <janis187@us.ibm.com>
383 * doc/extend.texi (Decimal Float): Update for latest draft TR,
384 clean up terminology.
386 2006-09-20 Steve Ellcey <sje@cup.hp.com>
389 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
390 with tablejumps in them.
392 2006-09-20 Jakub Jelinek <jakub@redhat.com>
395 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
396 wrap it into TARGET_EXPR.
398 2006-09-20 Eric Christopher <echristo@apple.com>
400 * config/i386/i386.c (x86_fisttp): Remove.
401 * config/i386/i386.h (x86_fisttp): Ditto.
402 (TARGET_FISTTP): Ditto.
404 2006-09-19 Eric Christopher <echristo@apple.com>
406 * doc/tm.texi (OBJC_JBLEN): Describe.
407 * config/i386/darwin.h (OBJC_JBLEN): Define.
408 * config/rs6000/darwin.h: Ditto.
410 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
412 PR rtl-optimization/21299
413 * reload1.c (reload): Purge invalid ASMs in the final pass.
415 2006-09-19 Steve Ellcey <sje@cup.hp.com>
418 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
419 pointers as legitimate constants.
421 2006-09-19 Paul Brook <paul@codesourcery.com>
424 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
426 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
428 PR tree-optimization/28887
429 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
430 component parts from the reference.
431 (gather_memory_references_ref): Record the reference without the
432 nonaddressable component parts.
434 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
437 * c-opts.c (c_common_handle_option): Ignore the -std options
438 if the input language is assembly.
440 2006-09-17 Ira Rosen <irar@il.ibm.com>
443 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
445 (ptr_ptr_may_alias_p): Likewise.
446 (record_record_differ_p): New function.
447 (base_object_differ_p): Call record_record_differ_p.
449 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
452 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
453 away for the expr argument.
455 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
458 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
459 before using it for dumping after vectorizing loops.
461 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
462 Jack Howarth <howarth@bromo.med.uc.edu>
465 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
466 skip on error_mark_node.
467 (rs6000_darwin64_record_arg_recurse): Likewise.
469 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
471 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
472 * doc/rtl.texi: Remove related documentation.
474 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
476 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
479 2006-09-15 Jim Wilson <wilson@specifix.com>
481 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
482 Handle symbol offsets same as they are handled in ia64_expand_move
485 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
487 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
488 Add forgotten parameter to the fprintf call.
490 2006-09-15 Steve Ellcey <sje@cup.hp.com>
492 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
494 2006-09-15 Uros Bizjak <uros@kss-loka.si>
496 * doc/contrib.texi: Add my entry.
498 2006-09-15 Nick Clifton <nickc@redhat.com>
500 * doc/md.texi (Processor pipeline description): Fix typo in
501 example of how to use the absence_set directive and reword the
502 description to make it slightly easier to read.
504 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
506 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
507 * loop-doloop.c (doloop_optimize): Use it to limit costs of
508 expanding the number of iterations.
509 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
511 * cfgrtl.c (emit_insn_at_entry): New function.
512 * rtl.h (emit_insn_at_entry): Declare it.
513 * integrate.c (emit_initial_value_sets): Use it.
515 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
517 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
519 (struct loop_work and related VEC declarations): Delete.
520 (bfin_dump_loops): Print out new member bad.
521 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
522 (bfin_scan_loop): Don't recurse.
523 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
524 loops. No longer need to update outer loops if the current one is
525 found bad. Move some validitiy checks to bfin_discover_loop.
526 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
527 but changed not to check for nesting. Also changed to use the new bad
529 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
530 time. Use bitmap based test to discover loop nesting.
532 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
534 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
537 2006-09-14 Richard Guenther <rguenther@suse.de>
538 Kazu Hirata <kazu@codesourcery.com>
541 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
542 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
543 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
544 with TARGET_FUNCTION_VALUE.
546 2006-09-14 Anatoly Sokolov <aesok@post.ru>
549 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
551 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
553 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
556 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
559 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
562 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
564 * basic_block.h (bb_has_eh_pred): Fix comment.
566 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
568 * flow.c (calculate_global_regs_live): Invalidate eh registers
569 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
570 (propagate_block): Handle eh registers as if they were set at basic
572 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
574 * global.c (global_conflicts): Make eh registers to conflict with
575 pseudos live at basic block begin.
576 * basic_block.h (bb_has_eh_pred): New function.
578 2006-09-13 Richard Sandiford <richard@codesourcery.com>
580 PR rtl-optimization/28982
581 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
582 index of a PRE_MODIFY or POST_MODIFY address.
583 * reload1.c (inc_for_reload): Use find_replacement on the original
584 base and index registers.
586 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
588 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
589 for -Os. Update __m128 alignment requirement.
591 2006-09-13 Jan Hubicka <jh@suse.cz>
593 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
595 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
597 PR rtl-optimization/28243
598 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
599 the insn to which the note was originally attached.
601 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
602 Roger Sayle <roger@eyesopen.com>
604 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
605 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
606 on platforms that don't use dwarf for debug info.
608 2006-09-12 Jason Merrill <jason@redhat.com>
611 * builtins.c (expand_builtin_setjmp_receiver): Clobber
612 hard_frame_pointer_rtx after using it to update the frame pointer.
614 2006-09-12 Roger Sayle <roger@eyesopen.com>
616 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
617 (TARGET_ASM_CLOSE_PAREN): Likewise.
618 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
619 (TARGET_ASM_CLOSE_PAREN): Likewise.
621 2006-09-12 Roger Sayle <roger@eyesopen.com>
624 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
625 frame information for frames larger than 512 Kbytes on Tru64 when
626 using the native assembler.
628 2006-09-12 Roger Sayle <roger@eyesopen.com>
632 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
633 and symbols. Instead use the implementation from cse.c's hash_rtx.
635 2006-09-12 Jan Hubicka <jh@suse.cz>
637 PR rtl-optimization/28071
638 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
639 (vect_transform_loop): Likewise.
640 * tree-vectorizer.c (new_loop_vec_info): Likewise.
641 (new_loop_vec_info): Likewise.
642 (destroy_loop_vec_info): Likewise.
643 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
644 (create_stmt_ann): Likewise.
645 (create_tree_ann): Rename to ...
646 (create_tree_common_ann): ... this one; allocate only the common part
648 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
649 (get_value_handle): Likewise.
650 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
652 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
653 (vinfo_for_stmt): Use stmt annotations.
654 * tree-flow.h (tree_ann_common_t): New type.
655 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
656 (tree_ann, get_tree_ann, create_tree_ann): New.
657 * tree-flow-inline.h (get_function_ann): Do more type checking.
658 (stmt_ann): Likewise.
659 (tree_ann): Rename to ...
660 (tree_common_ann): ... this one; return ony common_ann
661 (get_tree_ann): Rename to ...
662 (tree_common_ann): This one; return only common_ann.
663 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
666 2006-09-11 Geoffrey Keating <geoffk@apple.com>
668 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
671 * dwarf2out.c (dwarf_file_data): New.
672 (enum dw_val_class): Add dw_val_class_file.
673 (struct dw_val_struct): Add val_file.
674 (file_table): Change to a hash table.
675 (file_table_emitted): Delete.
676 (file_table_last_lookup_index): Delete.
678 (last_emitted_file): New.
679 (lookup_filename): Change prototype to return a struct dwarf_file_data.
680 (init_file_table): Delete.
681 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
682 (AT_addr): Add comment.
686 (print_die): Handle dw_val_class_file.
687 (print_dwarf_line_table): Update for new file table structure.
688 (attr_checksum): Do checksum a filename.
689 (same_dw_val_p, same_attr_p): Do compare a filename.
690 (size_of_die): Handle dw_val_class_file.
691 (value_format): Likewise.
692 (output_die): Likewise. Also, call maybe_emit_file here.
693 (struct file_info): Constify filenames. Make file_idx a pointer
694 to a struct dwarf_file_data.
695 (struct dir_info): Constify directory names. Remove 'used' field.
696 (struct file_name_acquire_data): New.
697 (file_name_acquire): New.
698 (output_file_names): Modify to handle new file data structures.
699 (add_src_coords_attributes): Use add_AT_file.
700 (add_call_src_coords_attributes): Likewise.
701 (dwarf2out_imported_module_or_decl): Likewise.
702 (gen_subprogram_die): Modify for new file data structures.
703 (gen_variable_die): Likewise.
704 (file_table_eq): New.
705 (file_table_hash): New.
706 (file_table_last_lookup): New.
707 (lookup_filename): Rewrite to handle new file data structures.
708 (maybe_emit_file): Rewrite to handle new file data structures.
709 (dwarf2out_source_line): Always call lookup_filename and
711 (dwarf2out_init): Create file_table here.
712 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
713 (file_table_relative_p): New.
714 (dwarf2out_finish): Change detection of relative filenames
715 to work with new file data structures. Move output_line_info call
716 after debug_info output.
718 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
723 * config/i386/i386.c (override_options): Always default to 16
726 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
729 * var-tracking.c (dump_dataflow_set): Start dumping at
731 (clobber_variable_part): Kill only the variable part in
732 registers holding it, leaving other variables alone.
734 2006-09-11 Josh Triplett <josh@freedesktop.org>
736 * doc/extend.texi (Other Builtins): Actually use the macro
737 argument in the documentation example for
738 __builtin_types_compatible_p.
740 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
742 PR rtl-optimization/28726
743 * sched-deps.c (sched_analyze_reg): New function extracted from...
744 (sched_analyze_1): ...here. Call it to analyze references to
745 registers. Treat again writes to a stack register as writing to the
747 (sched_analyze_2): ...and here. Call it to analyze references to
748 registers. Treat again reads of a stack register as reading the
751 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
752 David Edelsohn <edelsohn@gnu.org>
755 * config/rs6000/spe.md (frob_df_di): Remove %H.
756 (frob_di_df): Remove %H. Change evmergelo to mr.
757 (frob_di_df_2): Remove %H. Change evldd to two loads.
759 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
761 * doc/cpp.texi: Fix names of charset options.
763 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
766 * config/i386/i386.c (override_options): Use 128-bit
767 stack boundary always for 64bits.
769 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
771 PR rtl-optimization/28636
772 * combine.c (force_to_mode): Test for side-effects before
773 substituting by zero.
774 (simplify_shift_const): Likewise for zero or other constants.
776 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
779 * builtins.c (expand_builtin_setjmp): Force next_lab to be
782 2006-09-10 Richard Sandiford <richard@codesourcery.com>
785 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
786 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
787 returned by mode_for_size, rather than the mode of src itself,
788 to choose between 32-bit and 64-bit patterns.
789 (mips_mem_fits_mode_p): New function.
790 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
791 that the size of the source matches the size of the destination.
792 (mov_<store>l, mov_<store>r): Likewise.
794 2006-09-10 Eric Christopher <echristo@apple.com>
796 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
799 2006-09-09 Eric Christopher <echristo@apple.com>
802 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
805 2006-09-09 Roger Sayle <roger@eyesopen.com>
806 Nicolas Setton <setton@adacore.com>
808 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
810 2006-09-10 Andreas Schwab <schwab@suse.de>
812 * config/m68k/m68k.md (bungt_rev): New pattern.
814 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
815 Dale Johannesen <dalej@apple.com>
818 * regclass.c (struct reg_pref): Update documentation.
819 (regclass): Set prefclass to NO_REGS if memory is the best option.
820 (record_reg_classes): Cope with a prefclass set to NO_REGS.
822 2006-09-08 Eric Christopher <echristo@apple.com>
824 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
825 * config/t-slibgcc-darwin: Support x86_64 multilib.
826 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
827 Return 1 for x86_64-darwin.
828 * config/i386/t-darwin: Add m64 multilib.
829 (LIB2_SIDITI_CONV_FUNCS): Use.
830 (LIB2FUNCS_EXTRA): Ditto.
831 * config/i386/darwin.h: Support x86_64.
832 * config/i386/i386.c (override_options): Turn on flag_pic
833 for x86_64-darwin. Disable flag_omit_pointer.
834 (get_pc_thunk_name): Assert !TARGET_64BIT.
835 (legitimate_address_p): Disable machopic addressing for
837 (legitimize_pic_address): Ditto.
838 (ix86_expand_move): Ditto.
839 (ix86_expand_call): Ditto.
840 (machopic_output_stub): Ditto.
841 * config/darwin.c (machopic_select_section): Support literal16.
842 (machopic_select_rtx_section): Ditto.
843 * config/darwin-sections.def: Ditto.
844 * config/darwin-64.c: New.
846 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
849 * c-tree.h (struct c_arg_info): Add pending_sizes.
850 * c-parser.c (c_parser_parms_declarator,
851 c_parser_parms_list_declarator): Initialize pending_sizes.
852 * c-decl.c (get_parm_info): Initialize pending_sizes.
853 (get_parm_info): Set pending_sizes.
854 (grokdeclarator): Call put_pending_sizes for parameters for
855 function definition only.
857 2006-09-07 Jason Merrill <jason@redhat.com>
860 * varasm.c (output_constant): Only strip actual no-op conversions.
863 * config/i386/i386.c (override_options): Use 128-bit
864 stack boundary if -msse.
866 2006-09-07 Eric Christopher <echristo@apple.com>
868 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
870 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
873 2006-09-07 Geoffrey Keating <geoffk@apple.com>
875 * dwarf2out.c: Remove strange characters from comment above
876 dwarf2out_frame_debug_expr.
878 2006-09-07 Eric Christopher <echristo@apple.com>
880 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
881 * config/darwin.h: ... to here.
883 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
885 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
887 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
888 (TARGET_PARTIAL_FLAG_REG_STALL): New.
890 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
891 TARGET_PARTIAL_FLAG_REG_STALL.
892 (*ashldi3_cconly_rex64): Likewise.
893 (*ashlsi3_cmp): Likewise.
894 (*ashlsi3_cconly): Likewise.
895 (*ashlsi3_cmp_zext): Likewise.
896 (*ashlhi3_cmp): Likewise.
897 (*ashlhi3_cconly): Likewise.
898 (*ashlqi3_cmp): Likewise.
899 (*ashlqi3_cconly): Likewise.
900 (*ashrdi3_cmp_rex64): Likewise.
901 (*ashrdi3_cconly_rex64): Likewise.
902 (*ashrsi3_cmp): Likewise.
903 (*ashrsi3_cconly): Likewise.
904 (*ashrsi3_cmp_zext): Likewise.
905 (*ashrhi3_cmp): Likewise.
906 (*ashrhi3_cconly): Likewise.
907 (*ashrqi3_cmp): Likewise.
908 (*ashrqi3_cconly): Likewise.
909 (*lshrdi3_cmp_rex64): Likewise.
910 (*lshrdi3_cconly_rex64): Likewise.
911 (*lshrsi3_cmp): Likewise.
912 (*lshrsi3_cconly): Likewise.
913 (*lshrsi3_cmp_zext): Likewise.
914 (*lshrhi3_cmp): Likewise.
915 (*lshrhi3_cconly): Likewise.
916 (*lshrqi2_cmp): Likewise.
917 (*lshrqi2_cconly): Likewise.
919 2006-09-07 Uros Bizjak <uros@kss-loka.si>
922 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
923 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
924 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
925 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
926 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
927 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
928 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
929 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
930 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
931 implement only CC setting effects of shift instructions.
933 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
935 * doc/contrib.texi: Add myself.
937 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
940 * stor-layout.c (relayout_decl): Don't zero the alignment if it
943 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
946 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
947 (divsi_inv_m1): Use them.
948 (UNSPEC_DIV_INV_TABLE): New constant.
950 2006-09-06 James E Wilson <wilson@specifix.com>
953 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
954 then call count_or_remove_death_notes.
956 2006-09-06 Jason Merrill <jason@redhat.com>
959 * tree-inline.c (copy_result_decl_to_var): New fn.
960 (declare_return_variable): Use it. Call declare_inline_vars here.
961 (expand_call_inline): Not here.
963 2006-09-06 Diego Novillo <dnovillo@redhat.com>
965 * doc/contrib.texi: Update my entry.
967 2006-09-06 Nick Clifton <nickc@redhat.com>
969 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
971 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
974 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
975 (canonicalize_induction_variables): Likewise.
976 (tree_unroll_loops_completely): Likewise.
977 (tree_ssa_prefetch_arrays): Likewise.
978 (remove_empty_loops): Likewise.
979 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
980 TODO_cleanup_cfg instead of directly calling
981 cleanup_tree_cfg_loop.
982 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
984 (tree_unroll_loops_completely): Likewise.
985 (remove_empty_loops): Likewise.
986 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
987 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
988 of tree_ssa_unswitch_loops.
989 (tree_ssa_loop_ivcanon): Use the return value of
990 canonicalize_induction_variables.
991 (tree_ssa_empty_loop): Use the return value of
993 (tree_complete_unroll): Use the return value of
994 tree_unroll_loops_completely.
995 (tree_ssa_loop_prefetch): Use the return value of
996 tree_ssa_prefetch_arrays.
997 * passes.c (execute_todo): Before Cleanup CFG, set
998 updating_used_alone and after cleanup CFG, call
999 recalculate_used_alone.
1001 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1004 * tree-vect-transform.c (vectorizable_condition): Move the check
1005 for the type after the check for simple condition.
1007 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1008 Kaz Kojima <kkojima@gcc.gnu.org>
1011 * mode-switching.c (optimize_mode_switching): Make the destination
1012 block of an abnormal edge have no anticipatable mode. Don't
1013 insert mode switching code at the end of the source block of
1016 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1018 PR rtl-optimization/26847
1019 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1020 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1021 (simplify_plus_minus): Count n_constants while filling ops. Replace
1022 qsort with insertion sort. Before going through the array to simplify
1023 pairs, sort it. Delay early exit until after the first sort, exiting
1024 only if no swaps occurred. Simplify pairs in reversed order, without
1025 special-casing the first iteration. Pack ops after simplifying pairs.
1027 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1029 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1030 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1031 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1032 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1034 2006-09-05 Richard Guenther <rguenther@suse.de>
1036 PR tree-optimization/28900
1037 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1038 compound conditional before creating COND_EXPR condition.
1040 2006-09-05 Richard Guenther <rguenther@suse.de>
1042 PR tree-optimization/28905
1043 * tree-vrp.c (fix_equivalence_set): Manually implement
1044 !value_ranges_intersect_p to also handle symbolic ranges.
1046 2006-09-05 Richard Guenther <rguenther@suse.de>
1049 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1052 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1054 PR rtl-optimization/27616
1055 * cse.c (table_size): New static variable.
1056 (new_basic_block): Initialize it to 0.
1057 (remove_from_table): Decrement it.
1058 (insert): Increment it.
1059 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1060 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1061 fold_rtx_mem_1 if under the cap.
1062 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1063 the lookup of the equivalent expression and test for equality of the
1064 first operand of the equivalent expression before in turn looking up
1065 an equivalent constant for the second operand.
1067 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1070 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1071 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1072 pointer, instead of assuming it is possible to derive the
1073 correct args size from a call insn.
1075 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1078 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1079 (fold_builtin_mempcpy): Rename to...
1080 (fold_builtin_memory_op): ... this. Optimize one element copy
1082 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1084 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1085 (expand_builtin_memcpy, expand_builtin_mempcpy,
1086 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1087 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1088 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1089 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1091 2006-09-01 DJ Delorie <dj@redhat.com>
1093 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1094 (stzx_16): Likewise.
1095 ("stzx_24_<mode>"): Likewise.
1096 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1097 ("cmp<mode>_op"): New.
1098 (cmp<mode>): Change to expander; just save operands.
1100 (b<code>): Change to expander, emit compare here.
1101 (s<code>_op): Change to use split and expander.
1102 (s<code>_24_op): Likewise.
1103 (s<code>_<mode>): New.
1104 (s<code>_<mode>_24): New.
1105 (movqicc_<code>_<mode): New.
1106 (movhicc_<code>_<mode>): New.
1109 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1110 (m32c_pend_compare): New.
1111 (m32c_unpend_compare): New.
1112 (m32c_expand_scc): New.
1113 (m32c_expand_movcc): Emit the compare also.
1114 * config/m32c/predicates.md (mra_nopp_operand): New.
1116 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1117 Richard Guenther <rguenther@suse.de>
1118 Adam Nemet <anemet@caviumnetworks.com>
1121 * builtins.c (get_pointer_alignment): Handle more forms
1122 of base addresses that can be used to derive more precise
1123 information about alignment.
1125 2006-09-01 Jason Merrill <jason@redhat.com>
1128 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1131 * gimplify.c (voidify_wrapper_expr): Handle null type.
1133 2006-09-01 Josh Conner <jconner@apple.com>
1136 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1137 (execute_return_slot_opt): Use it.
1139 2006-08-31 Josh Conner <jconner@apple.com>
1142 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1143 returning aggregates.
1145 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1147 PR tree-optimization/28839
1148 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1149 blocks in that phi arguments appear.
1151 2006-08-31 Roger Sayle <roger@eyesopen.com>
1154 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1155 NULL, otherwise use an advance_loc4 to adjust relative to the
1157 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1158 (dwarf2out_switch_text_section): Reset the current label to avoid
1159 using advance_loc4 over section boundaries.
1161 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1164 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1165 r12 + SYMBOLIC_CONST.
1167 2006-08-30 Richard Guenther <rguenther@suse.de>
1169 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1171 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1173 PR rtl-optimization/27735
1174 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1175 Add new argument to keep track of whether an irreducible region
1176 was affected. All callers changed.
1177 (fix_irreducible_loops): Removed.
1178 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1179 flags were invalidated.
1181 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1183 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1184 instead of SF operands.
1185 (*fop_df_comm_sse): Likewise.
1186 (*fop_df_comm_i387): Likewise.
1187 (*fop_df_1_mixed): Likewise.
1188 (*fop_df_1_sse): Likewise.
1190 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1191 J"orn Rennecke <joern.rennecke@st.com>
1193 PR tree-optimization/17506
1194 * tree-ssa.c (warn_uninit): If warning about a location outside of
1195 the current function, note where the variable was declared.
1197 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1199 PR tree-optimization/28411
1200 * double-int.c (double_int_div): Use double_int_divmod.
1201 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1202 double_int_mod, double_int_smod, double_int_umod): New functions.
1203 * double-int.h (double_int_divmod, double_int_sdivmod,
1204 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1206 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1208 (get_computation_aff, get_computation_cost_at): Handle double_int
1209 return type of constant_multiple_of.
1211 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1214 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1215 an implicit conversion.
1217 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1219 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1221 2006-08-27 Roger Sayle <roger@eyesopen.com>
1223 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1226 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1228 * config/i386/crtfastmath.c: Fix a comment typo.
1230 2006-08-26 Roger Sayle <roger@eyesopen.com>
1232 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1233 temporary visit flags on CASE_LABEL_EXPRs.
1234 * c-common.c (match_case_to_enum): Add function comment. Avoid
1235 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1236 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1237 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1238 a constant, only warn if that constant value isn't handled.
1240 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1243 * input.h (restore_input_file_stack): Declare.
1244 (INPUT_FILE_STACK_BITS): Define.
1245 * toplev.c (fs_p, input_file_stack_history,
1246 input_file_stack_restored, restore_input_file_stack): New.
1247 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1248 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1249 (pop_srcloc): Don't free old state of stack.
1251 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1254 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1255 (PowerPC Type Attributes): New.
1257 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1259 * config/xtensa/xtensa.c (function_arg_boundary): New.
1260 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1262 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1263 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1265 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1268 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1271 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1273 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1274 (verify_local_live_at_start): Likewise.
1276 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1279 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1280 omp_add_variable): Treat sizes as variable whenever not
1283 2006-08-26 Richard Guenther <rguenther@suse.de>
1286 * fold-const.c (fold_binary): Fold temporary to correct
1287 type before constructing new comparison.
1289 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1292 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1293 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1295 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1298 * c-decl.c (start_function): Don't try to process prototype
1299 information from old declaration that isn't a function.
1301 2006-08-25 Jan Hubicka <jh@suse.cz>
1304 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1306 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1309 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1312 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1314 PR tree-optimization/16876
1315 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1316 exit if PARM doesn't match VALUE.
1318 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1320 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1321 literal_prefix directive.
1322 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1323 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1324 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1326 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1329 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1330 predicate to general_operand. Add 0->y and I->r alternatives.
1332 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1334 * doc/tm.texi: Fix a typo.
1335 * predict.c: Fix comment typos.
1337 2006-08-25 Nick Clifton <nickc@redhat.com>
1339 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1340 assertions of "cpu" and "machine".
1342 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1345 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1346 the access through a base which has an alias set of 0 cannot
1349 2006-08-24 Bill Wendling <wendling@apple.com>
1351 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1353 2006-08-24 Jan Hubicka <jh@suse.cz>
1355 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1357 2006-08-24 Jan Hubicka <jh@suse.cz>
1360 * cgraph.c: Fix comments.
1361 (cgraph_varpool_mark_needed_node): Mark only variables not already
1363 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1364 (cgraph_varpool_assembled_nodes_queue): New static variable.
1365 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1366 (cgraph_varpool_output_debug_info): New function.
1367 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1368 * Makefile.in: Add gt-cgraphunit.h
1370 2006-08-24 Jan Hubicka <jh@suse.cz>
1372 * predict.c (probability_reliable_p): New predicate.
1373 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1374 (predict_loops): Do not predict loop exit with less than 2%
1376 * basic-block.h (edge_probability_reliable_p,
1377 br_prob_note_reliable_p): Declare.
1378 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1379 prediction when static predictor is not reliable.
1380 * rs6000.c (output_cbranch): Likewise.
1382 2006-08-23 Stuart Hastings <stuart@apple.com>
1385 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1386 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1388 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1391 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1392 complex values, nor for generic vector values.
1394 2006-08-22 Richard Guenther <rguenther@suse.de>
1397 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1398 parameter. Convert arguments to arithmetic expression to the
1400 (analyze_scalar_evolution_1): Adjust caller.
1402 2006-08-22 Jan Hubicka <jh@suse.cz>
1404 Patch by Paolo Bonzini
1405 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1408 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1410 PR tree-optimization/28003
1411 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1412 before grouping aliases.
1414 2006-08-22 Roger Sayle <roger@eyesopen.com>
1416 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1417 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1419 2006-08-21 Jason Merrill <jason@redhat.com>
1422 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1423 wrapper. Loop to handle nested wrappers.
1424 (gimplify_bind_expr): Remove temp parameter.
1425 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1426 and STATEMENT_LIST on the rhs.
1427 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1428 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1429 (gimplify_target_expr): Remove special BIND_EXPR handling.
1431 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1433 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1436 2006-08-21 Olivier Hainque <hainque@adacore.com>
1438 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1439 Arrange for the temporary captures of components overlapping the lhs
1440 to happen before the lhs is possibly cleared.
1442 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1444 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1445 necessary places to pass the correct "number of registers" values
1448 2006-08-20 Jan Hubicka <jh@suse.cz>
1450 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1451 (create_name_tags): Instead of quadratic checking use hashtable.
1452 * bitmap.h: Include hashtab.h.
1453 (bitmap_hash): Declare.
1454 * bitmap.c (bitmap_hash): New function.
1456 2006-08-20 Jan Hubicka <jh@suse.cz>
1458 PR rtl-optimization/28071
1459 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1461 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1462 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1463 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1464 cgraph_decide_inlining_incrementally): Update use of
1465 cgraph_check_inline_limits.
1466 * cgraph.c (edge_hash, edge_eq): New function.
1467 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1468 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1469 cgraph_remove_node): Maintain call site hash.
1470 * cgraph.h (struct cgraph_node): Add call_site_hash.
1471 (cgraph_set_call_stmt): New function.
1473 2006-08-20 Jan Hubicka <jh@suse.cz>
1475 PR rtl-optimization/28071
1476 * reload1.c (reg_has_output_reload): Turn into regset.
1477 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1478 choose_reload_regs, emit_reload_insns): Update to new
1479 reg_has_output_reload.
1481 2006-08-20 Jan Hubicka <jh@suse.cz>
1484 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1485 function body sizes.
1486 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1488 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1491 * tree.c (handle_dll_attribute): Return early if not a
1492 var or function decl.
1494 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1497 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1498 alignment of SPE vector types.
1500 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1502 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1504 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1507 * cgraph.h (struct cgraph_node): Remove externally_visible
1509 * cgraphunit.c (process_function_and_variable_attributes): Set
1510 local.externally_visible rather than externally_visible.
1513 * c-common.c (handle_externally_visible_attribute): First look
1514 at TREE_CODE and only if it is function or var decl, check for
1515 non-public objects. Don't warn for DECL_EXTERNAL.
1516 * cgraphunit.c (process_function_and_variable_attributes): Warn
1517 if externally_visible attribute is used on non-public object.
1519 2006-08-17 Jan Hubicka <jh@suse.cz>
1521 PR tree-optimization/27865
1522 * reload1.c (forget_marked_reloads): New function.
1523 (forget_old_reloads_1): When data are passed, just mark the registers
1525 (reload_as_needed): Use the new mechanizm.
1527 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1530 * reload.h (reg_equiv_alt_mem_list): New declaration.
1531 * reload1.c (reg_equiv_alt_mem_list): New definition.
1532 (reload): Initialize it and release it.
1533 (delete_output_reload): Use it.
1534 * reload.c (push_reg_equiv_alt_mem): New function.
1535 (find_reloads_toplev): Call it.
1536 (find_reloads_address, find_reloads_address_1): Likewise.
1537 (find_reloads_subreg_address): Likewise.
1539 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1541 PR rtl-optimization/28489
1542 * sched-ebb.c (begin_schedule_ready): Create basic block
1544 (advance_target_bb): Skip empty blocks.
1545 * haifa-sched.c (bb_note): Make global.
1546 * sched-int.h (bb_note): Add prototype.
1548 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1550 PR tree-optimization/27865
1551 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1553 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1554 fold_used_pointer, pointer_used_p): New functions.
1555 (analyze_scalar_evolution_1): Use fold_used_pointer.
1556 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1557 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1560 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1563 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1564 or the INTEGER_CST. Fail on a CALL_EXPR.
1565 (fold_offsetof): Pass new argument to fold_offsetof_1.
1566 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1567 operand into an INDIRECT_REF.
1568 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1570 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1572 PR gcov/profile/26570
1573 * value-prof.c (static_values): Removed.
1574 (tree_find_values_to_profile): Do not set static_values.
1575 (find_values_to_profile): Do not free static_values.
1576 * profile.c (instrument_values): Do not free the values.
1577 (branch_prob): Free the values.
1579 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1581 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1583 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1586 * c-typeck.c (build_component_ref): Combine qualifiers of
1587 structure or union and field.
1589 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1591 PR rtl-optimization/28071
1592 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1593 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1594 * tree-into-ssa.c (struct dom_dfsnum): New.
1595 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1597 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1598 compute_global_livein.
1599 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1600 in phi nodes in the correct blocks.
1602 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1604 PR tree-optimization/28364
1605 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1607 (fold_affine_expr): New function.
1608 (may_eliminate_iv): Use fold_affine_expr.
1610 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1613 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1616 2006-08-16 Mike Stump <mrs@apple.com>
1618 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1619 * doc/cppopts.texi (-MD): Likewise.
1621 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1624 * c-common.c (handle_weak_attribute): Ignore and warn if
1625 not a FUNCTION_ or VAR_DECL.
1627 2006-07-15 Mike Stump <mrs@apple.com>
1630 * c-parser.c (c_parser_typeof_specifier): Don't use
1631 c_finish_expr_stmt, open code desired semantics instead.
1633 2006-08-15 Nick Clifton <nickc@redhat.com>
1635 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1636 fragment to tmake_file only if threads are enabled.
1637 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1638 * config/i386/t-gthr-win32: New file. ... here.
1640 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1643 * c-parser.c (c_parser_compound_statement_nostart): Reset
1644 parser->error after each statement.
1646 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1649 * omp-low.c (lower_omp_parallel): Convert t to
1650 receiver_decl's type.
1651 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1652 source before comparison.
1655 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1656 to itype in assignment to oldival2.
1658 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1662 * c-typeck.c (build_compound_expr): If the second expression
1663 is an error mark, then just return an error mark instead of
1664 creating a COMPOUND_EXPR.
1666 2006-07-14 Mike Stump <mrs@apple.com>
1668 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1670 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1672 * c-decl.c, var-tracking.c: Fix comment typos.
1674 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1676 PR rtl-optimization/28634
1677 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1678 for floating-point modes unless flag_unsafe_math_optimizations.
1680 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1681 Andrew Pinski <pinskia@physics.uc.edu>
1684 * tree.c (build_array_type): Unify array types with
1685 unspecified index_type.
1686 * c-decl.c (grokdeclarator): Make sure we do not modify a
1687 unified incomplete array type.
1688 * c-typeck.c (store_init_value): Create distinct type before
1689 filling in the index type in an initializer from a compound
1692 * c-decl.c (grokdeclarator): Remove code where we copy the
1695 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1697 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1698 into account for TODO_dump_cgraph.
1699 (TODO_update_ssa_no_phi): Likewise.
1700 (TODO_update_ssa_full_phi): Likewise.
1701 (TODO_update_ssa_only_virtuals): Likewise.
1702 (TODO_remove_unused_locals): Likewise.
1703 (TODO_set_props): Likewise.
1704 (TODO_update_stmt_usage): Likewise.
1706 2006-08-13 Dirk Mueller <dmueller@suse.de>
1708 * c-common.c (strict_aliasing_warning): Fix formatting.
1710 2006-08-13 Matthias Klose <doko@debian.org>
1712 * doc/invoke.texi: Fix spelling errors.
1714 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1716 PR rtl-optimization/23454
1717 * reorg.c (relax_delay_slots): Update comment.
1719 2006-08-11 Richard Guenther <rguenther@suse.de>
1722 * simplify-rtx.c (simplify_const_relational_operation):
1723 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1726 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1728 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1729 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1731 2006-08-10 Paul Brook <paul@codesourcery.com>
1733 * final.c (final_scan_insn): Clear current_insn_predicate before
1734 outputting inline asm.
1736 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1738 PR tree-optimization/26197
1739 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1740 get_ref_base_and_extent and overlap_subvar to add only relevant
1741 subvars as may-aliases.
1742 (add_may_alias_for_new_tag): New function, factored out of
1744 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1745 with additional argument.
1746 * tree-flow.h (new_type_alias): Takes additional argument.
1748 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1750 * gcov.c (no_data_file): New flag.
1751 (read_count_file): Set it if data file not present. Assume counts
1753 (output_lines): Don't name the data file, if there wasn't one.
1755 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1757 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1758 (rs6000_generate_compare): Tweak comments.
1759 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1761 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1763 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1764 (var_debug_decl): New function.
1765 (var_reg_set): Follow debug decl link. Add location even if
1766 reg is already known to hold some other variable.
1767 (var_mem_set): Follow debug decl link.
1768 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1769 decl link. Delete other known locations of the variable part
1771 (var_reg_delete, var_mem_delete): Delete other known locations
1772 of the variable part if requested.
1773 (same_variable_part_p): New function.
1774 (add_stores): Select MO_COPY when appropriate.
1775 (vt_initialize): Handle it.
1776 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1777 known locations for MO_SET and MO_CLOBBER.
1778 (find_variable_location_part): New function.
1779 (set_variable_part, delete_variable_part): Use it.
1780 (clobber_variable_part): New function.
1781 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1784 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1786 PR tree-optimization/26969
1787 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1788 with an empty list of PHIs.
1790 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1794 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1797 2006-08-06 Andreas Schwab <schwab@suse.de>
1799 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1800 string. Whitespace and comment fixup.
1802 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1805 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1809 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1812 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1814 2006-08-04 Jan Hubicka <jh@suse.cz>
1818 * reload.c (push_reload): Patch out the mismatching instruction;
1820 (find_reload): Bail out if the instruction was patched out.
1822 2006-08-04 Jan Hubicka <jh@suse.cz>
1824 PR tree-optimization/24888
1825 * tree-inline.c (expand_call_inline): Do not re-record variables.
1826 (declare_inline_vars): Add variable to unexpanded_var_list.
1828 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1829 Roger Sayle <roger@eyesopen.com>
1831 PR rtl-optimization/26244
1832 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1833 inner_const are negative or greater than or equal to the bitsize of
1834 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1835 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1836 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1837 CONST0_RTX (mode) when the new shift count is greater than or equal to
1838 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1841 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1843 * tree-cfg.c: Fix a comment typo.
1845 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1848 * varasm.c (output_constant): Give the front end another chance to
1849 expand constants, after stripping NOPs.
1851 2006-08-03 Jan Hubicka <jh@suse.cz>
1853 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1856 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1858 PR tree-optimization/27770
1859 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1860 declaration removed (moved to tree-flow.h).
1861 (vect_can_force_dr_alignment_p): Likewise.
1862 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1863 (moved from tree-vectorizer.h).
1864 (vect_can_force_dr_alignment_p): Likewise.
1865 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1866 from outside the vectorizer - in particular from cgraph stage.
1867 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1868 the alignment of global arrays when -fsection-anchors is enabled.
1869 * cgraphunit.c (cgraph_increase_alignment): New function.
1870 (cgraph_optimize): Call cgraph_increase_alignment.
1872 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1875 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1876 not reload a SPE symbol_ref into a lo_sum address.
1878 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1881 * dwarf2out.c (prune_unused_types_prune): Move call to
1882 prune_unused_types_update_strings to cover the parent DIE also.
1884 2006-08-02 Jan Hubicka <jh@suse.cz>
1886 PR gcov/profile/28480
1887 * tree-cfg.c (change_bb_for_stmt): New function.
1888 (tree_merge_blocks, tree_split_blocks): Use it.
1890 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1896 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1897 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1898 (cgraph_optimize): Likewise.
1900 2006-08-01 Stuart Hastings <stuart@apple.com>
1902 * rtl.h (UINTVAL) New.
1903 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1904 * testsuite/gcc.dg/20060801-1.c: New.
1906 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1909 * c-typeck.c (build_external_type): Mark used enum types.
1910 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1912 (gen_subprogram_die): Whitespace fix.
1914 2006-08-01 Jan Hubicka <jh@suse.cz>
1916 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1917 bitmap when not needed.
1918 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1921 2006-08-01 Dirk Mueller <dmueller@suse.de>
1923 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1925 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1927 * Makefile.in: Revert part of previous patch:
1928 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1931 2006-07-30 Eric Christopher <echristo@apple.com>
1934 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1935 (PowerPC Variable Attributes): New section.
1937 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1939 PR target/28126 (partial fix)
1940 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1942 2006-07-28 Jan Hubicka <jh@suse.cz>
1944 PR rtl-optimization/28071
1945 * cfgrtl.c (rtl_delete_block): Free regsets.
1946 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1948 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1950 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1951 and variables used in dependencies.
1953 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
1955 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
1956 %fs for -mcmodel=kernel.
1957 (stack_tls_protect_test_di): Likewise.
1959 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
1961 * Makefile.in: Use mkinstalldirs.
1963 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
1966 * opts-common.c (prune_options): Skip joined switches.
1968 2006-07-27 Jan Hubicka <jh@suse.cz>
1970 PR rtl-optimization/28071
1971 * cselib.c (cselib_process_insn): Don't remove useless values too
1972 often for very large hashtables.
1974 2006-07-27 Jan Hubicka <jh@suse.cz>
1976 PR rtl-optimization/28071
1977 * global.c (greg_obstack): New obstack.
1978 (allocate_bb_info): Use it.
1979 (free_bb_info): Likewise.
1980 (modify_reg_pav): Likewise.
1982 2006-07-27 Roger Sayle <roger@eyesopen.com>
1984 * builtins.c (fold_fixed_mathfn): When long and long long are the
1985 same size, canonicalize llceil*, llfloor*, llround* and llrint*
1986 functions to their lceil*, lfloor*, lround* and lrint* forms.
1988 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
1991 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
1993 (rev_branch_insn): Likewise.
1995 2006-07-27 Jan Hubicka <jh@suse.cz>
1997 PR rtl-optimization/28071
1998 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
1999 (reg_set_in_bb, max_reg_computed): New static variables.
2000 (regmove_optimize): Free the new array.
2001 (fixup_match_1): Update call of reg_is_remote_constant_p.
2003 2006-07-26 Jan Hubicka <jh@suse.cz>
2005 PR tree-optimization/27882
2006 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2008 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2010 (cgraph_analyze_compilation_unit): Likewise.
2011 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2012 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2013 (cgraph_early_inlinine): Make order garbage collected.
2014 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2016 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2018 * dbxout.c (output_types_sort): Add a comment.
2019 (output_used_types): Free the VEC.
2021 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2023 * function.c (reorder_fix_fragments): Delete.
2024 (reorder_blocks): Don't call it.
2025 (reorder_blocks_1): Put all subblocks under the origin block.
2027 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2029 PR rtl-optimization/27907
2030 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2033 2006-07-25 Roger Sayle <roger@eyesopen.com>
2036 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2037 bar(x) check that bar's result type can represent all the values of T.
2039 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2041 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2043 2006-07-25 Nick Clifton <nickc@redhat.com>
2045 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2046 size_lookup[] array.
2047 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2048 (ggc_pch_count_object): Likewise.
2049 (ggc_pch_alloc_object): Likewise.
2050 (ggc_pch_write_object): Likewise.
2051 (init_ggc): Do not attempt to initialize entries in the
2052 size_lookup[] array for objects whose size is greater than than
2053 the length of the array.
2055 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2057 * dbxout.c (output_used_types_helper): Push queued types
2059 (output_types_sort): New.
2060 (output_used_types): Collect used types on a VEC and sort them
2063 2006-07-24 Richard Guenther <rguenther@suse.de>
2066 * cgraph.c (cgraph_remove_node): Do not check if dumps
2068 * cgraphunit.c (cgraph_optimize): Likewise.
2070 2006-07-24 Jan Hubicka <jh@suse.cz>
2072 PR rtl-optimization/28071
2073 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2074 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2075 splitting before first stmt.
2077 2006-07-24 Jan Hubicka <jh@suse.cz>
2079 PR rtl-optimization/28071
2080 * ipa-inline.c (update_caller_keys): Remove edges that
2081 are no longer inline candidates.
2083 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2086 * dbxout.c (output_used_types_helper, output_used_types): New.
2087 (dbxout_symbol): Call output_used_types.
2089 2006-07-23 Jan Hubicka <jh@suse.cz>
2093 * cgraph.c (cgraph_varpool_nodes): Export.
2094 (decide_is_variable_needed): Ignored "used" attribute in
2095 unit-at-a-time mode.
2096 * cgraph.h (cgraph_varpool_nodes): Declare.
2097 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2098 unit-at-a-time mode.
2100 2006-07-23 Roger Sayle <roger@eyesopen.com>
2103 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2104 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2105 the __gthrw form of thr_keycreate.
2106 (__gthread_key_delete): Silence the unused argument warning.
2108 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2111 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2112 Cache the last found '\0' marker to avoid quadratic behavior.
2114 2006-07-23 Jan Hubicka <jh@suse.cz>
2116 * i386.md (subsi_3_zext): Fix output template.
2118 2006-07-21 Mike Stump <mrs@apple.com>
2120 * doc/invoke.texi (C++ Dialect Options): Note that
2121 -fvisibility-inlines-hidden doesn't affect explicitly
2122 instantiationed inline methods.
2124 2006-07-20 Roger Sayle <roger@eyesopen.com>
2126 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2127 if the target assembler is GNU binutils' gas.
2128 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2129 whether to pass GNU gas or native as command line options.
2131 2006-07-20 Jason Merrill <jason@redhat.com>
2133 * tree.c (remove_attribute): New fn.
2134 * tree.h: Declare it.
2136 2006-07-20 Paul Brook <paul@codesourcery.com>
2139 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2140 they are invalidated by this instruction.
2142 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2145 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2147 2006-07-20 Eric Christopher <echristo@apple.com>
2150 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2152 2006-07-19 Eric Christopher <echristo@apple.com>
2154 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2155 Rewrite dependencies for libgcc_s.1.dylib.
2157 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2159 * except.c (duplicate_eh_regions_1): Clear next_peer.
2161 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2163 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2164 -mlongcall does not guarantee all calls will be long.
2165 * doc/extend.texi (long_call/short_call): Document that longcall
2166 does not guarantee a long call will be used.
2167 (longcall/shortcall): Likewise.
2169 2006-07-18 Roger Sayle <roger@eyesopen.com>
2172 * expmed.c (expand_shift): Additionally check that the shift_cost
2173 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2174 before implementing a LSHIFT_EXPR as a sequence of additions.
2175 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2176 middle-end that DImode shifts need to be synthesized by expand.
2178 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2181 * tree-ssa-operands.c (access_can_touch_variable): Update
2183 Return true if ALIAS is .GLOBAL_VAR.
2185 2006-07-18 David Daney <ddaney@avtrex.com>
2187 * gcc.c (display_help): Fix typo in help text.
2189 2006-07-18 Olivier Hainque <hainque@adacore.com>
2191 * tree.h (categorize_ctor_elements): Adjust prototype and add
2192 descriptive comment, both in accordance with the interface change
2194 * varasm.c (constructor_static_from_elts_p): New function.
2195 Whether a constructor node is a valid static constant initializer
2196 if all its elements are.
2197 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2198 * output.h: Declare it.
2199 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2200 is a valid constant initializer instead of computing the number of
2201 non-constant elements. Use constructor_static_from_elts_p for this
2202 purpose. Replace the head comment with an indication that this is a
2203 helper for categorize_ctor_elements.
2204 (categorize_ctor_elements): Same interface change as for the _1
2205 helper. Former head comment from this helper moved here, adjusted to
2206 account for the interface changes.
2207 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2208 (all_zeros_p): Likewise.
2209 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2210 static versions of the constructor from the categorize_ctor_elements
2211 return value instead of the formerly computed number of non-constant
2214 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2216 * configure: Regenerate.
2217 * Makefile.in (build_libsubdir): New configure substitution
2218 (build_libobjdir): New variable.
2219 (BUILD_LIBIBERTY): Use it.
2221 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2224 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2226 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2229 * c-common.c (handle_weakref_attribute): Ignore attribute in
2230 the same conditions the alias attribute is ignored.
2232 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2234 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2235 (dbxout_begin_prologue): Increment scope_labelno.
2237 2006-07-17 Richard Henderson <rth@redhat.com>
2240 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2243 2006-07-17 Roger Sayle <roger@eyesopen.com>
2244 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2246 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2247 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2248 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2249 functions such as sbrk, write, etc.. Add function prototypes.
2250 Convert function declarations from K&R to ISO C. Cast pointers
2251 to "long" and "unsigned long" instead of "int" and "unsigned int".
2252 Convert tokens following #endif into comments.
2254 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2256 * invoke.texi: Remove mention of f77; Reformat table for
2257 inline parameter options correctly; mention that -malign-double
2258 is default on x86-64 targets.
2260 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2262 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2263 (convert_affine_scev, chrec_convert_aggressive): Use
2264 avoid_arithmetics_in_type_p. Do not check for the subtypes
2267 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2270 * optabs.c (expand_doubleword_shift): Wrap the call to
2271 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2273 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2276 * optabs.c (expand_binop): Pass next_methods rather than methods
2277 to expand_doubleword_shift.
2279 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2282 * tree.h (dump_addr): Declare.
2283 * print-tree.c (dump_addr): New function.
2284 (print_node_brief, print_node): Use it.
2285 * print-rtl.c (print_rtx): Likewise.
2286 * common.opt (-fdump-noaddr): New option.
2287 * doc/invoke.texi (-fdump-noaddr): Document.
2288 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2289 (ve_info_hash): Likewise.
2291 2006-07-13 Andrew Haley <aph@redhat.com>
2293 PR tree-optimization/19505
2294 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2295 edge leaving this block, make sure that the destination of this
2296 block has only one predecessor.
2298 2006-07-17 Richard Guenther <rguenther@suse.de>
2300 PR tree-optimization/28238
2301 * tree-inline.c (copy_bb): Check if we produced valid
2302 gimple copying and substituting a stmt. If not, gimplify
2305 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2307 * optabs.c (maybe_encapsulate_block): New function extracted from...
2308 (emit_libcall_block): ...here. Invoke it on the block of insns to
2309 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2310 (emit_no_conflict_block): Likewise.
2312 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2314 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2316 2006-07-15 Roger Sayle <roger@eyesopen.com>
2318 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2319 a new NOP_EXPR case of the switch statement.
2321 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2324 * stor-layout.c (place_field): Take the bit field with
2325 an excessive size into account in the ms-bitfiled case.
2328 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2329 the previous bit field.
2331 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2334 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2336 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2338 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2339 signal frames correctly even when the signal was installed with
2342 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2344 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2345 (dbxout_function_end): Use local label LFBB. Remove hook
2347 (dbxout_source_line): Use local label LFBB.
2348 (dbxout_block): Likewise.
2349 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2350 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2351 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2352 and DBX_OUTPUT_NFUN.
2354 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2356 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2358 2006-07-13 Jan Hubicka <jh@suse.cz>
2360 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2362 * output.h (align_variable): Declare.
2363 * varasm.c (align_variable): Export.
2364 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2365 when basic block changed.
2367 2006-07-13 Nick Clifton <nickc@redhat.com>
2369 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2370 walking the LOG_LINKS chain.
2372 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2374 * doc/invoke.texi (C++ Dialect Options): Explain difference
2375 between -fvisibility-inlines-hidden and setting hidden
2376 visibility explicitly.
2378 2006-07-12 Eric Christopher <echristo@apple.com>
2380 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2381 (stmp-lipo): Depend on libgcc.a.
2383 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2385 * tree.c: Fix a comment typo.
2387 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2389 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2391 (umulhisi3_r): Likewise.
2393 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2396 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2397 x < 19, vs wchar_t support.
2399 2006-07-12 Nick Clifton <nickc@redhat.com>
2401 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2402 instead of -isa=sh4.
2404 2006-07-12 Mike Stump <mrs@apple.com>
2406 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2408 2006-07-10 Eric Christopher <echristo@apple.com>
2410 * config/t-slibgcc-darwin: Rewrite.
2412 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2415 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2418 2006-07-08 Matthias Klose <doko@debian.org>
2420 * doc/sourcebuild.texi: Fix typo.
2422 2006-07-07 Mike Stump <mrs@apple.com>
2424 * toplev.c (process_options): Don't give -ffunction-sections may
2425 affect debugging warning for Mach-O.
2427 2006-07-07 James E Wilson <wilson@specifix.com>
2429 * config/mips/mips.md (cpu): Add sb1a.
2430 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2431 addition to sb1. Adjust comments to clarify SB-1A differences from
2433 (ir_sb1a_load): New. Modify bypasses to use it.
2434 (ir_sb1a_simple_alu): Likewise.
2435 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2436 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2437 (mips_issue_rate): Add PROCESSOR_SB1A.
2438 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2439 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2440 (TARGET_SB1): Add PROCESSOR_SB1A check.
2441 (TUNE_SB1): Likewise.
2443 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2444 * config/mips/mips.c (mips_store_data_bypass_p): New.
2445 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2446 store_data_bypass_p.
2448 2006-07-08 Paul Brook <paul@codesourcery.com>
2451 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2453 2006-07-07 Richard Guenther <rguenther@suse.de>
2456 * tree.h (build_one_cst): Declare.
2457 * tree.c (build_one_cst): New function.
2458 * tree-ssa-math-opts.c (get_constant_one): Remove.
2459 (insert_reciprocals): Use build_one_cst.
2460 * fold-const.c (fold_plusminus_mult): Likewise.
2462 2006-07-07 Roger Sayle <roger@eyesopen.com>
2464 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2465 * cfgloopanal.c (dump_graph): Likewise.
2466 * dojump.c (discard_pending_stack_adjust): Likewise.
2467 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2469 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2470 * function.c (finalize_block_changes): Likewise.
2471 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2472 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2473 * rtl.c (dump_rtx_statistics): Likewise.
2474 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2476 * varray.c (dump_varray_statistics): Likewise.
2477 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2478 decode_decimal64, encode_decimal128, decode_decimal128,
2479 decimal_real_to_decimal): Likewise.
2481 2006-07-07 Richard Guenther <rguenther@suse.de>
2483 PR tree-optimization/28187
2484 * tree-vrp.c (vrp_operand_equal_p): New function.
2485 (vrp_bitmap_equal_p): Likewise.
2486 (update_value_range): Use them to compare old and new
2489 2006-07-06 Roger Sayle <roger@eyesopen.com>
2491 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2492 a default case to switch statement to silence compiler warnings.
2494 2006-07-06 Roger Sayle <roger@eyesopen.com>
2497 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2498 the configured assembler supports the x87's ffreep mnemonic.
2499 * configure: Regenerate.
2500 * config.in: Regenerate.
2502 * config/i386/i386.c (output_387_ffreep): New function.
2503 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2504 (output_387_reg_move): Likewise.
2506 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2508 Port to hosts whose 'sort' and 'tail' implementations
2509 treat operands with leading '+' as file names, as POSIX
2510 has required since 2001. However, make sure the code still
2511 works on pre-POSIX hosts.
2512 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2513 which says you should use "tail -c +N" rather than "tail +Nc".
2514 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2516 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2518 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2521 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2524 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2525 PRE_{INC,DEC} of TFmode.
2527 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2528 Alan Modra <amodra@bigpond.net.au>
2531 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2534 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2537 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2538 Remove duplicate gtu.
2540 2006-07-05 Jason Merrill <jason@redhat.com>
2544 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2545 * c-common.c (handle_packed_attribute): So don't copy it here.
2546 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2548 2006-07-05 Mike Stump <mrs@apple.com>
2550 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2552 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2555 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2557 2006-07-05 Richard Guenther <rguenther@suse.de>
2560 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2561 TARGET_SSE2 targets if using SSE math.
2562 (*absdf2_1): Likewise.
2564 2006-07-05 Richard Guenther <rguenther@suse.de>
2566 PR tree-optimization/28162
2567 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2568 make sure to convert the operands to the correct type.
2570 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2572 PR tree-optimization/28218
2574 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2575 to calculate and free the dominator information.
2577 2006-07-04 Peter O'Gorman <peter@pogma.com>
2579 * mklibgcc.in: chmod 644 before ranlib during install.
2581 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2582 J"orn Rennecke <joern.rennecke@st.com>
2584 * configure.ac (.eh_frame data check): Use diff -b.
2586 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2589 * Makefile.in (BUILD_RTL): Add build/vec.o.
2590 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2591 (build/genextract): Delete.
2592 (build/genautomata): Likewise.
2594 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2597 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2598 128-bit IBM long doubles for ABI_V4.
2600 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2602 * tree.c (range_in_array_bounds_p): New predicate.
2603 * tree.h (range_in_array_bounds_p): Declare it.
2604 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2605 return a less conservative answer.
2606 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2607 and flag 'is_group'.
2608 (IS_ELEMENT_FOR_GROUP): New macro.
2609 (FOR_EACH_ACTUAL_CHILD): Likewise.
2610 (next_child_for_group): New helper function.
2611 (can_completely_scalarize_p): Take into account groups.
2612 (sra_hash_tree): Handle RANGE_EXPR.
2613 (sra_elt_eq): Likewise.
2614 (lookup_element): Be prepared for handling groups.
2615 (is_valid_const_index): Delete.
2616 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2617 instead of is_valid_const_index.
2618 <ARRAY_RANGE_REF>: New case.
2619 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2620 is_valid_const_index.
2621 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2622 (scan_dump): Dump info for groups too.
2623 (decide_instantiation_1): Likewise.
2624 (decide_block_copy): Assert that the element is not a group.
2625 Propagate decision to groups.
2626 (generate_one_element_ref): Handle RANGE_EXPR.
2627 (mark_no_warning): Iterate over actual childs.
2628 (generate_copy_inout): Likewise.
2629 (generate_element_copy): Likewise.
2630 (generate_element_zero): Likewise.
2631 (generate_element_init_1): Likewise.
2632 (dump_sra_elt_name): Handle RANGE_EXPR.
2634 2006-07-03 Roger Sayle <roger@eyesopen.com>
2636 PR tree-optimization/26251
2637 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2638 (thread_block): When optimizing for size refuse to thread jumps
2639 that would require duplication of blocks other than redirection
2642 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2644 * configure.ac: Fix thinko in previous check-in.
2645 * configure: Regenerate.
2647 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2650 * configure.ac (for lang...): Simplify nesting of conditionals.
2651 Test subdir_requires for non-enabled languages. Move processing
2652 of lang_opt_files and lang_tree_fiels below that test.
2653 * configure: Regenerate.
2654 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2656 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2658 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2660 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2662 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2665 2006-06-29 Jason Merrill <jason@redhat.com>
2672 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2673 * c-common.c (c_determine_visibility): Handle it here.
2674 * c-decl.c (finish_decl): Call c_determine_visibility for
2676 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2678 * varasm.c (default_assemble_visibility): Likewise.
2679 * c-common.c (handle_visibility_attribute): Complain about trying
2680 to give visibility to an already defined class, or trying to change
2681 declared visibility. Always attach the attribute.
2686 * attribs.c (decl_attributes): Ignore type-in-place attributes
2687 once the type has been defined.
2689 2006-06-29 Roger Sayle <roger@eyesopen.com>
2692 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2693 to indicate the cpplib has issued an error message for us.
2695 2006-06-29 Asher Langton <langton2@llnl.gov>
2698 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2699 insert a label at the end of an function under Mach-O.
2701 2006-06-29 Eric Christopher <echristo@apple.com>
2702 Evan Cheng <evan.cheng@apple.com>
2704 * predicates.md (vector_all_ones_operand): New.
2705 (nonimmediate_or_sse_const_operand): Ditto.
2706 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2707 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2708 (standard_sse_mode_p): Ditto.
2709 (standard_sse_constant_p): Add case for -1 vector.
2710 (ix86_expand_vector_move): Try to use.
2711 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2712 Call standard_sse_constant_opcode.
2713 (*movv4sf_internal): Ditto.
2714 (*movv2df_internal): Ditto.
2716 2006-06-29 Roger Sayle <roger@eyesopen.com>
2718 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2719 of XEXP to extract the operands of a MATCH_CODE rtx.
2721 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2723 * tree.c (tree_size): Do not waste tail padding in
2724 struct tree_string and make the size be the same as
2725 build_string will generate.
2727 2006-06-28 Jason Merrill <jason@redhat.com>
2730 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2731 may_aliases already in the tag's annotations to the bitmap.
2733 2006-06-28 Roger Sayle <roger@eyesopen.com>
2735 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2737 2006-06-28 Roger Sayle <roger@eyesopen.com>
2739 * genpreds.c (generate_switch_p): New function.
2740 (add_mode_tests): Push the new mode test down inside an AND expr
2741 if this allows the switch-suitable MATCH_CODE to be near the root.
2742 (write_match_code_switch): New function to write a MATCH_CODE as
2744 (write_predicate_stmts): New function to write a predicate RTX
2745 expression as a sequence of statements.
2746 (write_one_predicate_function): Use write_predicate_stmts.
2747 (write_tm_constrs_h): Likewise.
2749 2006-06-26 Fred Fish <fnf@specifix.com>
2751 * config/mips/t-sb1: New file.
2752 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2755 2006-06-26 DJ Delorie <dj@redhat.com>
2757 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2759 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2760 Jayant Sonar <jayants@kpitcummins.com>
2761 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2763 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2764 (subsi3, subsi3_1, subsi3_2): New.
2765 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2766 * config/m32c/mov.md (SI mov peephole): New.
2767 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2768 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2770 2006-06-26 Olivier Hainque <hainque@adacore.com>
2772 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2773 a CALL_EXPR target function declaration.
2775 2006-06-26 Richard Guenther <rguenther@suse.de>
2777 * tree.c (build_string): Do not waste tail padding in
2780 2006-06-26 Richard Guenther <rguenther@suse.de>
2782 * ggc-page.c (init_ggc): Add missing element to size_lookup
2786 2006-06-23 Richard Guenther <rguenther@suse.de>
2788 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2789 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2790 alignment requests instead. Add verification code.
2791 Add struct tree_function_decl and struct tree_binfo size to
2792 extra_order_size_table. Add missing element to size_lookup
2795 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2798 * fold-const.c (const_binop): Be prepared for self returning zero.
2799 Simplify code handling complex values.
2801 2006-06-24 Olivier Hainque <hainque@adacore.com>
2803 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2804 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2807 2006-06-24 Olivier Hainque <hainque@adacore.com>
2809 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2810 ARRAY_REF, so have the callback called for the low bound expression.
2812 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2814 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2815 * c-typeck.c (c_common_type): Disallow operations on decimal float
2816 types and other float types.
2817 * convert.c (convert_to_real): Don't ignore conversions involving
2818 decimal float types.
2820 2006-06-23 Olivier Hainque <hainque@adacore.com>
2822 * tree.c (max_int_size_in_bytes): New function, inspired from
2823 code in function.c:assign_temp.
2824 * tree.h (max_int_size_in_bytes): Declare.
2825 * function.c (assign_temp): Use it.
2826 * gimplify.c (create_tmp_var): Relax the assertions on the type
2827 properties, not mandating constant size any more.
2828 (force_constant_size): New static function.
2829 (gimple_add_tmp_var): Use it, forcing variable size to a
2830 constant upper bound if it is not constant on entry.
2832 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2835 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2836 for initialization and setting of one_only flag to ...
2837 (i386_pe_encode_section_info): ...here.
2838 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2839 Recheck that the symbol has not been defined.
2841 2006-06-23 Richard Guenther <rguenther@suse.de>
2843 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2844 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2845 alignment requests instead. Add verification code.
2846 Add struct tree_function_decl and struct tree_binfo size to
2847 extra_order_size_table. Add missing element to size_lookup
2850 2006-06-22 Roger Sayle <roger@eyesopen.com>
2851 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2854 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2855 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2857 2006-06-23 Ben Elliston <bje@au.ibm.com>
2859 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2860 negate dn -- manipulate it directly.
2862 2006-06-22 Roger Sayle <roger@eyesopen.com>
2863 Steven Bosscher <stevenb.gcc@gmail.com>
2866 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2867 generated by gen_move_insn to add REG_LABEL notes if necessary.
2869 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2871 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2872 (leaf_entry): Remove use of MIN_ESA.
2874 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2876 PR rtl-optimization/28121
2877 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2880 2006-06-21 DJ Delorie <dj@redhat.com>
2882 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2884 (mulhisi3_r): Likewise.
2886 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2889 * coverage.c (coverage_counter_alloc): Leave the index type
2891 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2894 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2896 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2897 section from the "Options for Code Generation Conventions".
2899 2006-06-21 Richard Henderson <rth@redhat.com>
2903 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2905 (global_symbolic_operand): Allow weak symbols, even if local_p.
2907 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2909 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2910 (find_interesting_uses_address): Punt if above function returns true.
2912 2006-06-21 Richard Guenther <rguenther@suse.de>
2914 * configure: Regenerated.
2916 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2918 * config/mips/mips.c (function_arg): Where one part of a
2919 complex argument is in registers and the other part in the stack,
2920 return a REG not a PARALLEL.
2922 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2924 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2925 when cross-compiling. Do not substitute libstdcxx_incdir.
2926 * configure: Regenerated.
2928 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2930 * varasm.c (mergeable_string_section): Check for embedded NULs and
2931 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2932 rather than TREE_STRING_LENGTH bytes.
2934 2006-06-21 Richard Guenther <rguenther@suse.de>
2936 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2937 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2940 2006-06-21 Richrad Guenther <rguenther@suse.de>
2942 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2943 Limit iteration over the dominators.
2945 2006-06-20 Roger Sayle <roger@eyesopen.com>
2947 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2948 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2950 2006-06-20 Richard Guenther <rguenther@suse.de>
2951 Michael Matz <matz@suse.de>
2953 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
2955 * alloc-pool.c (free_alloc_pool_if_empty): New function.
2956 * et-forest.h (et_free_pools): Prototype new function.
2957 * et-forest.c (et_free_tree_force): Free parent occurrence.
2958 (et_free_pools): New function.
2959 * dominance.c (free_dominance_info): Free et-forest alloc
2962 2006-06-20 Roger Sayle <roger@eyesopen.com>
2964 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
2965 integer modes, attempt to directly construct an integer constant.
2967 * fold-const.c (native_encode_vector): Determine the size of each
2968 element from the vector type instead of the first vector element.
2970 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
2971 if all of its elements/components are constant.
2972 (build_constructor_from_list): Likewise.
2974 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
2976 PR tree-optimization/27331
2977 * tree-data-ref.c (free_data_ref): New function.
2978 (create_data_ref): Fail if the data reference has unknown access
2980 (free_data_refs): Use free_data_ref.
2982 2006-06-19 Andrew Pinski <pinskia@gmail.com>
2985 * tree-inline.c (setup_one_parameter): Strip useless
2986 type conversion before adding it to the IR.
2987 (declare_return_variable): Likewise.
2989 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
2992 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
2994 2006-06-19 Mike Stump <mrs@apple.com>
2996 * tree.c (variably_modified_type_p): VM arguments don't make the
2999 2006-06-19 Richard Guenther <rguenther@suse.de>
3001 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3002 type conversions after folding.
3004 2006-06-19 Richard Guenther <rguenther@suse.de>
3006 * ggc-page.c (extra_order_size_tab): Add entries with
3007 size of struct function and basic_block.
3008 (size_lookup): Extend to cover sizes up to 511.
3009 (ggc_alloc_stat): Adjust user.
3010 (ggc_pch_count_object): Likewise.
3011 (ggc_pch_alloc_object): Likewise.
3012 (ggc_pch_write_object): Likewise.
3014 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3016 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3017 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3020 2006-06-19 Denis Chertykov <denisc@overta.ru>
3022 * config/avr/libgcc.S : Correct my wrong previous commit.
3024 2006-06-19 Roger Sayle <roger@eyesopen.com>
3027 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3028 have stripped a SUBREG from the shift count, so we may need to
3029 convert_to_mode back to the type's mode before calling make_tree.
3030 Use new_amount instead of amount to avoid expanding a tree twice.
3032 2006-06-19 Richard Guenther <rguenther@suse.de>
3035 * fold-const.c (operand_equal_p): Check if the argument types
3036 have the same precision before stripping NOPs.
3038 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3040 Fix PR tree-optimization/27341
3041 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3043 * tree-complex.c (pass_lower_complex): Update SMT usage.
3045 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3047 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3048 Add a new alternative to the constraint strings. Add move of
3049 operand 1 to 3 to the splitter definition.
3050 ("doloop_si_long"): Second contraint alternative removed.
3052 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3054 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3055 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3057 (AVR_HAVE_MOVW) Define.
3058 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3059 (ASM_SPEC): Add avr25.
3060 (LINK_SPEC): Add avr25.
3061 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3062 (base_arch_s): Add new member 'have_movw_lpmx'.
3063 (avr_arch_types): Init 'have_movw_lpmx'.
3064 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3065 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3066 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3067 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3068 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3070 (avr_file_start): Do not output '.arh' derective.
3071 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3072 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3073 * config/avr/avr.md (mcu_enhanced): Delete.
3074 (mcu_have_movw): Define.
3075 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3076 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3077 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3078 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3079 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3080 attiny861 and at86rf401 devices.
3082 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3084 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3087 2006-06-17 Karl Berry <karl@gnu.org>
3089 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3090 doc/gccint.texi, doc/install.texi (@dircategory): Use
3091 "Software development" instead of "Programming", following
3092 the Free Software Directory.
3094 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3096 * config/i386/i386.c (legitimate_tls_address)
3097 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3098 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3099 (*tls_dynamic_gnu2_combine_64): Likewise.
3101 2006-06-16 Richard Guenther <rguenther@suse.de>
3104 * fold-const.c (negate_expr_p): Do not introduce undefined
3105 overflow in negating INTEGER_CSTs.
3106 (fold_negate_expr): Rename from negate_expr. Revert last
3107 change for folding BIT_NOT_EXPR. Change semantics to
3108 return NULL_TREE for non-simplified negations. Do not
3109 strip type conversions and unify type handling.
3110 (negate_expr): New function, wrap around fold_negate_expr
3111 but ensure building a tree always. Strip type conversions
3112 here, fold to result type.
3113 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3115 2006-06-16 Roger Sayle <roger@eyesopen.com>
3118 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3119 that (would) return their results in stack registers.
3121 2006-06-16 Michael Matz <matz@suse.de>
3122 Richard Guenther <rguenther@suse.de>
3124 * fold-const.c (fold_truthop): Only return new tree node if
3125 we canonicalized something.
3127 2006-06-16 Richard Guenther <rguenther@suse.de>
3129 * function.h (enum function_frequency): Move declaration
3130 out of struct function.
3131 (struct function): Move bool fields and the enum to the bitfield
3132 section. Reorder elements to avoid padding. Remove unused
3133 fields left over from the RTL inliner removal.
3134 * function.c (free_after_compilation): Do not zero removed fields.
3135 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3136 (ipa-type-escape.o): Likewise.
3138 2006-06-16 Richard Guenther <rguenther@suse.de>
3140 * cgraph.h (struct cgraph_local_info): Turn bool elements
3142 (struct cgraph_node): Likewise.
3143 (struct cgraph_varpool_node): Likewise.
3145 2006-06-15 Richard Guenther <rguenther@suse.de>
3147 * fold-const.c (fold_truth_not_expr): Rename from
3148 invert_truthvalue. Give it fold_* semantics to avoid
3150 (invert_truthvalue): New function. Wrapper around
3151 fold_truth_not_expr.
3152 (optimize_minmax_comparison): Avoid creating garbage.
3153 (fold_unary): Use fold_truth_not_expr for folding
3155 (fold_ternary): Replace uses of invert_truthvalue with
3156 fold_truth_not_expr where applicable.
3157 * tree.h (fold_truth_not_expr): Prototype.
3159 2006-06-16 Richard Guenther <rguenther@suse.de>
3161 PR tree-optimization/27781
3162 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3163 * ipa-pure-const.c (target.h): Include.
3164 (analyze_function): Do not analyze functions that do not
3167 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3170 * tree-dfa.c (referenced_vars_dup_list): Remove.
3171 (find_referenced_vars): Remove assert.
3172 (referenced_var_check_and_insert): Replace dup list with assert.
3173 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3174 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3176 2006-06-15 Richard Guenther <rguenther@suse.de>
3178 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3179 extra unused identifiers if not dumping.
3180 (create_variable_info_for): Likewise.
3182 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3184 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3185 (derive_constant_upper_bound): Derive more precise upper bound in
3186 common cases. Return type changed to double_int.
3187 (record_estimate): Reflect the changed return type of
3188 derive_constant_upper_bound.
3189 * double-int.c (double_int_zext, double_int_sext): Fix.
3191 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3193 * configure.ac (CFLAGS): Get them from the toplevel or from the
3194 configure invocation.
3195 * configure: Regenerate.
3196 * Makefile.in (CFLAGS): Substitute value provided by configure.
3198 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3201 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3202 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3203 rather than calling add_stmt on it.
3204 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3206 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3209 * reload1.c (reload): Remove registers returned by update_eliminables
3210 from used_spill_regs.
3212 2006-06-13 DJ Delorie <dj@redhat.com>
3214 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3216 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3218 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3219 html__strip_dir, html__mkdir_p. Enhance install-html target.
3220 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3221 * configure: Regenerate.
3223 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3225 * fold-const.c (fold_cond_expr_with_comparison): Check for
3226 Objective-C++ as language in deciding COND_EXPR transformation.
3228 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3231 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3232 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3233 * config/sh/lib1funcs.h (SL, SL1): Define.
3234 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3235 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3236 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3237 (OBJS_Os_4_200): New variable.
3238 ($(T)libgcc-Os-4-200.a): Use it.
3239 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3240 when dividing 1 and/or by 0.
3242 2006-06-13 Roger Sayle <roger@eyesopen.com>
3244 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3245 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3246 * configure: Regenerate.
3248 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3250 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3251 for real instruction.
3253 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3256 * haifa-sched.c (check_cfg): Handle special case.
3258 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3261 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3262 Add debug_info parameter. Chain the vars to the BLOCK instead
3263 of the BIND_EXPR if debug info are requested for them.
3264 (pop_gimplify_context): Adjust for above change.
3265 (gimple_add_tmp_var): Likewise.
3266 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3268 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3269 (convert_local_reference): Likewise.
3270 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3271 (finalize_nesting_tree_1): Request that debug info be emitted
3272 for debug_var_chain.
3274 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3276 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3277 for PR target/27863.
3279 2006-06-13 Richard Guenther <rguenther@suse.de>
3282 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3284 2006-06-13 Richard Guenther <rguenther@suse.de>
3286 PR tree-optimization/27830
3287 * tree-inline.c (copy_body_r): For copying the operand
3288 of an ADDR_EXPR make sure to fold &* afterwards.
3290 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3292 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3293 lvalues in the fb_none case with side-effects.
3295 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3297 * tree-flow.h: Remove the prototype for
3298 compute_phi_arg_on_exit.
3299 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3300 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3303 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3305 * builtins.c (expand_builtin_return_addr): Only use
3306 frame_pointer_rtx when count == 0 and we are expanding
3307 __builtin_return_address.
3309 2006-06-12 Fred Fish <fnf@specifix.com>
3311 * config/mips/mips.c (mips_file_start): Create special section
3312 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3314 2006-06-11 Eric Christopher <echristo@apple.com>
3317 * stor-layout.c (place_field): Remove check for
3318 remaining_in_alignment when aligning at the end of a run.
3320 2006-06-11 Eric Christopher <echristo@apple.com>
3323 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3326 2006-06-11 Roger Sayle <roger@eyesopen.com>
3329 Revert incorrect fix for PR target/27158
3330 2006-05-08 Roger Sayle <roger@eyesopen.com>
3331 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3332 of a reg_equiv_constant if the result is a legitimate constant.
3334 2006-06-11 Roger Sayle <roger@eyesopen.com>
3337 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3338 extract a CONST_VECTOR element and interpret it as an integer.
3339 (vspltis_constant): Use const_vector_elt_as_int instead of the
3340 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3341 * config/rs6000/predicates.md (easy_vector_const): Consider
3342 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3344 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3347 * stor-layout.c (update_alignment_for_field): Don't add extra
3348 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3351 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3353 * config/mips/t-rtems: Add EL/EB multilib variants.
3355 2006-06-09 Mike Stump <mrs@apple.com>
3357 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3359 2006-06-09 David Daney <ddaney@avtrex.com>
3361 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3363 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3365 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3367 2006-06-09 Richard Guenther <rguenther@suse.de>
3369 PR tree-optimization/26998
3370 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3371 of signed types, only TYPE_MIN_VALUE is special, but for both,
3372 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3373 in this case, as is -fwrapv.
3375 2006-06-08 Mike Stump <mrs@apple.com>
3378 * config/darwin.c (darwin_asm_output_anchor): Disable
3379 -fsection-anchors on darwin for now.
3380 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3381 * rs6000/rs6000.c (optimization_options): Likewise.
3383 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3386 * config/i386/i386.c (classify_argument): Skip fields with invalid
3389 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3391 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3392 (cse_insn): Likewise for the stack_pointer_rtx.
3394 2006-06-08 Roger Sayle <roger@eyesopen.com>
3396 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3397 conditions from floating point comparisons.
3399 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3402 * expmed.c (struct alg_hash_entry): Fix type of field T
3403 to match synth_mult argument.
3404 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3406 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3409 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3412 2006-06-08 Richard Guenther <rguenther@suse.de>
3415 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3416 only, if overflow is defined and not trapping.
3417 (negate_expr): Likewise.
3419 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3421 PR tree-optimization/27872
3422 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3423 flag on the new exit edge of the unrolled loop.
3425 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3427 PR rtl-optimization/26449
3428 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3430 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3433 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3434 referenced_variables with matching DECL_UID's.
3435 (find_referenced_vars): Make sure duplicate list is empty to start.
3436 (referenced_var_p): Remove.
3437 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3438 Check if var is in the list, and add if needed. Update the duplicate
3439 list if a different var is in the list with the same DECL_UID.
3440 (add_referenced_var): Call routine to check and insert.
3441 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3442 * tree-flow.h (referenced_vars_dup_list): External declaration.
3444 2006-06-07 Fred Fish <fnf@specifix.com>
3446 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3449 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3452 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3453 the imaginary and real parts of a clobbered register.
3454 Emit insn to set the imaginary part.
3456 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3458 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3459 in lieu of unwind-dw2-fde.c.
3461 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3463 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3465 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3468 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3469 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3470 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3471 V4SImode temporaries and operations instead.
3473 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3475 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3478 2006-06-06 Mike Stump <mrs@apple.com>
3480 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3481 installing during build.
3483 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3485 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3487 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3488 * config/ia64/ia64.c (params.h): New header.
3489 (ia64_optimization_options): New function to adjust parameters.
3490 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3491 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3492 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3494 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3496 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3498 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3501 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3503 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3504 Victor Kaplansky <victork@il.ibm.com>
3506 PR tree-optimization/26360
3507 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3510 2006-06-04 Roger Sayle <roger@eyesopen.com>
3511 Andrew Pinski <pinskia@physics.uc.edu>
3514 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3515 for LABEL_DECL before calling DECL_WEAK.
3518 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3519 LABEL_DECL and PARM_DECL.
3521 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3525 * c-decl.c (grokdeclarator): Disallow variably modified types at
3526 file scope. Avoid marking shared array type of constant size as
3529 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3532 * c-common.c (fold_offsetof_1): Handle static members.
3534 2006-06-04 Eric Christopher <echristo@apple.com>
3536 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3537 (debug_rli): Output value for remaining_in_alignment.
3538 (update_alignment_for_field): Unconditionalize
3539 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3540 extra alignment code.
3541 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3542 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3543 * tree.h (record_layout_info_s): Remove prev_packed.
3544 * doc/extend.texi (ms_struct): Add documentation of format.
3546 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3548 * tree.h: Declare folding_initializer.
3549 * builtins.c (fold_builtin_constant_p): Give definite answer
3550 if folding inside an initializer.
3551 * fold-const.c: Define folding_initializer.
3552 (START_FOLD_INIT): Save and then set folding_initializer.
3553 (END_FOLD_INIT): Restore folding_initializer.
3555 2006-06-04 Richard Guenther <rguenther@suse.de>
3557 PR tree-optimization/27039
3558 * fold-const.c (fold_comparison): Handle pointer comparison
3559 again for all comparison codes. Compare offsets in signed
3561 (fold_binary): Move code from here.
3563 2006-06-03 Roger Sayle <roger@eyesopen.com>
3566 * config/i386/i386.c (construct_container): Split static issued_error
3567 flag into issued_sse_arg_error, issued_sse_ret_error and
3568 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3569 requires the use of x87 registers and the user explicitly
3570 specified the -mno-80387 command line option.
3572 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3574 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3575 HAVE_DECL_SIGALTSTACK.
3577 (segv_handler): Use MC_FLD.
3578 * configure.ac: Check for a sigaltstack declaration.
3579 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3580 * configure: Regenerate.
3581 * config.in: Regenerate.
3583 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3586 * Makefile.in (stmp-fixinc): Fix typo.
3588 2006-06-02 Roger Sayle <roger@eyesopen.com>
3590 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3591 are type correct. Clean-up.
3592 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3593 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3595 2006-06-01 DJ Delorie <dj@redhat.com>
3597 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3598 shift, as we've disabled the "switch" insn that needs it.
3600 2006-06-01 Per Bothner <bothner@bothner.com>
3602 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3603 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3604 * c-ppoutput.c (cb_define): Don't increment line 0.
3606 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3608 * doc/invoke.texi: Add cpu_type power6.
3609 * config.gcc: Add cpu_type power6.
3610 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3611 to power5+ with Altivec.
3612 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3613 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3615 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3617 * config/avr/avr.h (SET_ASM_OP): Define.
3619 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3621 * config/bfin/bfin.c: Fix comment typos.
3623 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3626 * doc/install.texi: Document --enable-bootstrap and
3627 --disable-bootstrap.
3629 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3631 * doc/install.texi: Document that InfoZIP can replace jar.
3633 2006-05-31 Roger Sayle <roger@eyesopen.com>
3635 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3636 isn't available, directly generate the simpler x87 patterns without
3637 the (use (const_int 0)).
3638 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3639 implementation isn't available.
3640 (*negdf2_1): Likewise.
3641 (*negxf2_1): XF mode negation is always done using the x87.
3642 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3644 2006-05-31 Roger Sayle <roger@eyesopen.com>
3646 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3647 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3649 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3651 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3653 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3654 * config/bfin/bfin.c (basic-block.h): Include.
3655 (struct machine_function): New.
3656 (bfin_init_machine_status): New.
3657 (override_options): Initialize init_machine_status.
3658 (bfin_hardware_loop): New.
3659 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3660 (DEF_VEC_P (loop_info)): New.
3661 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3662 (struct loop_info): New.
3663 (loop_info): New typedef.
3664 (struct loop_work): New.
3665 (loop_work): New typedef.
3666 (DEF_VEC_O (loop_work)): New.
3667 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3668 (bfin_dump_loops): New.
3669 (bfin_bb_in_loop): New.
3670 (bfin_scan_loop): New.
3671 (bfin_optimize_loop): New.
3672 (bfin_reorg_loops): New.
3673 (bfin_reorg): Use bfin_reorg_loops.
3674 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3676 (I_REGNO_P): Simplify.
3677 (DP_REGNO_P, DPREG_P): New macros.
3678 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3679 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3680 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3681 Add LT_REGS, LC_REGS, LB_REGS.
3682 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3684 (REGNO_REG_CLASS): Deal with loop registers.
3685 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3687 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3688 New constants for loop registers.
3689 (UNSPEC_LSETUP_END): New.
3690 (seq_insns): New define_attr. Set it for appropriate insns.
3691 (movsi_insn): Add alternatives for move from/to
3692 loop count registers.
3693 (doloop_end): New define_expand.
3694 (loop_end): New define_insn.
3695 (define_split for bad doloop_end): New.
3696 (lsetup_with_autoinit): New define_insn.
3697 (lsetup_without_autoinit): New define_insn.
3698 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3699 * config/bfin/predicates.md (lc_register_operand): New.
3700 (lt_register_operand): New.
3701 (lb_register_operand): New.
3702 (nondp_register_operand): New.
3703 (nondp_reg_or_memory_operand): New.
3704 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3706 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3708 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3709 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3711 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3713 * Makefile.in (CATALOGS): Add po/ prefix.
3714 * configure: Regenerated.
3716 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3719 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3720 a shift operand before calling shift_op. Avoid redundant call of
3723 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3724 DJ Delorie <dj@redhat.com>
3726 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3727 we're inserting is a singlt-bit constant.
3729 2006-05-30 Roger Sayle <roger@eyesopen.com>
3731 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3732 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3734 2006-05-30 Roger Sayle <roger@eyesopen.com>
3736 PR tree-optimization/23452
3737 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3738 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3739 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3740 complex values and with -ffast-math for FP complex values.
3742 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3744 * c-common.h: Remove the prototype for yyparse.
3745 * rtl.h: Remove the prototype for init_loop.
3747 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3749 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3752 2006-05-30 Roger Sayle <roger@eyesopen.com>
3754 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3756 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3757 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3759 2006-05-30 Dirk Mueller <dmueller@suse.de>
3762 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3763 for CONSTANT_CLASS_P expresisons.
3765 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3768 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3770 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3772 PR tree-optimization/27779
3773 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3774 initial_condition instead of CHREC_LEFT.
3776 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3778 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3779 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3780 Make prototypes ISO C90.
3782 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3783 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3785 * see.c (see_analyze_one_def): Correct check.
3786 (see_get_extension_data): Check if extension is parallel.
3787 (see_get_extension_reg): Likewise.
3789 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3792 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3793 into register for (code == GTU).
3795 2006-05-29 Roger Sayle <roger@eyesopen.com>
3797 PR tree-optimization/24964
3798 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3799 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3800 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3801 abs(x)*abs(x) as x*x for scalar floating point modes.
3803 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3806 * lambda-code.c (perfect_nestify): Don't copy statements
3807 in the inner loop: move them to the inner loop header.
3809 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3812 * c-tree.texi: Document OpenMP directives and clauses.
3814 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3816 * varasm.c (globalize_decl): Fix indentation.
3818 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3821 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3822 pass_fre, pass_store_ccp, pass_copy_prop,
3823 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3824 pass_return_slot, pass_object_size, pass_lim,
3825 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3826 pass_loop_prefetch and pass_stdarg.
3828 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3830 * config/bfin/bfin.opt (mfdpic): New option.
3831 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3832 (EXTRA_MULTILIB_PARTS): Likewise.
3833 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3834 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3836 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3837 (CRT_CALL_STATIC_FUNCTION): New.
3838 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3840 (CRT_CALL_STATIC_FUNCTION): New.
3841 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3843 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3844 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3845 (initialize_trampoline): Changed to handle FD-PIC code generation.
3846 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3847 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3848 (override_options): Disallow -mid-shared-library -mfdpic combination.
3849 Can't do unaligned ops if FD-PIC.
3850 Turn off flag_pic if trying to generate non-id-shared-library
3851 non-fdpic code, since it's not supported.
3852 (bfin_assemble_integer): New function.
3853 (TARGET_ASM_INTEGER): Define.
3854 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3856 * config/bfin/crtn.s: Restore them.
3857 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3859 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3860 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3861 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3862 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3863 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3865 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3866 FDPIC_REGS and FDPIC_FPTR_REGS.
3867 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3868 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3869 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3870 (load_funcdescsi): New pattern.
3871 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3872 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3873 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3875 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3877 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3880 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3882 * tree-flow.h: Remove the prototype for add_type_alias.
3883 * tree-ssa-alias.c (add_type_alias): Remove.
3885 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3887 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3888 config/fr30/fr30.md, config/i386/i386-interix.h,
3889 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3890 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3891 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3892 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3893 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3894 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3895 Follow spelling conventions.
3896 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3897 Follow spelling conventions.
3899 2006-05-27 Richard Guenther <rguenther@suse.de>
3902 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3903 to produce a constant of value 1 of generic type.
3905 2006-05-27 Dirk Mueller <dmueller@suse.de>
3907 * cgraphunit.c (decide_is_function_needed): Fix wrong
3910 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3912 PR rtl-optimization/27661
3913 * reload.c (find_reloads): When reloading a VOIDmode constant
3914 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3915 use Pmode as mode of the reload register.
3917 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3919 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3920 is enabled at -O and above.
3922 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3925 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3928 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3931 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3932 for anonymous variables explicitly declared by front ends.
3934 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3936 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3937 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3938 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3939 ref-all pointers, run a finalization pass for them.
3940 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3941 (finalize_ref_all_pointers): New function.
3942 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3943 regular pointer type to a ref-all pointer type.
3944 (get_tmt_for): Return the special memory tag for ref-all pointers.
3946 2006-05-25 Richard Guenther <rguenther@suse.de>
3949 * fold-const.c (fold_binary): Do not look at the stripped
3950 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3952 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3954 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
3955 for LT and GT if the computed range is effectively empty.
3957 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
3960 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
3961 mips_quad_format formats instead of ieee_single_format,
3962 ieee_double_format and ieee_quad_format formats, respectively.
3964 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
3966 PR tree-optimization/27639
3967 PR tree-optimization/26719
3968 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
3969 call to scev_probably_wraps_p.
3970 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
3971 used_in_pointer_arithmetic_p, convert_step): Removed.
3972 (nowrap_type_p): New function.
3973 (scev_probably_wraps_p): Rewritten.
3974 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
3975 chrec_convert if chrec_convert_aggressive might have been used.
3976 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
3977 scev_direction): New functions.
3978 (chrec_convert): Changed to a wrapper over chrec_convert_1.
3979 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
3980 instead of convert_step.
3981 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
3982 (convert_step): Declaration removed.
3983 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
3985 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
3987 * df-core.c: Added to header comments.
3988 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
3989 df_ur_bb_info, df_urec_bb_info): Added comments.
3990 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
3991 urec, ri problems): Fixed header comments.
3992 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
3993 code from df_rd_transfer_function.
3995 2006-05-23 Richard Sandiford <richard@codesourcery.com>
3997 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
3998 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
3999 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4001 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4003 * expr.c (undefined_operand_subword_p): New.
4004 (emit_move_multi_word): Do not generate move from undefined bits
4005 of a paradoxical subreg.
4007 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4009 PR rtl-optimization/27736
4010 * combine.c (replaced_rhs_value): New variable.
4011 (combine_instructions): Set it.
4012 (distribute_notes): When distributing a note in replaced_rhs_insn,
4013 check whether the value was used in replaced_rhs_value.
4015 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4018 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4019 add_referenced_var instead of add_referenced_tmp_var.
4020 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4021 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4023 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4024 tree_optimize_tail_calls_1): Use add_referenced_var.
4025 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4026 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4027 Use add_referenced_var.
4028 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4029 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4030 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4031 Use add_referenced_var.
4032 * tree-dfa.c (struct walk_state): Remove.
4033 (find_referenced_vars): Remove walk state and vars_found hash table.
4034 (make_rename_temp): Use add_referenced_var.
4035 (find_vars_r): Pass less parameters to add_referenced_var.
4036 (referenced_var_p): New. Is var in referenced_var hash table.
4037 (referenced_var_insert): Assert var isn't already in hash table.
4038 (add_referenced_var): Don't need walk_state parameter. Add var if it
4039 isn't already in the hash table.
4040 (add_referenced_tmp_var): Remove.
4041 (find_new_referenced_vars_1): Use add_referenced_var.
4042 * tree-ssa-pre.c (create_expression_by_pieces,
4043 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4044 Use add_referenced_var.
4045 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4046 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4047 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4049 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4050 vect_create_data_ref_ptr, vect_create_destination_var,
4051 vect_init_vector, vect_build_loop_niters,
4052 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4053 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4054 Use add_referenced_var.
4055 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4056 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4057 (add_referenced_var): Add prototype.
4058 * tree-ssa-structalias.c (get_constraint_for,
4059 intra_create_variable_infos): Use add_referenced_var.
4061 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4063 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4064 big-endian paradoxical subregs.
4065 * var-tracking.c (struct micro_operation_def): Document that,
4066 for modify micro operations, insn is the subsequent instruction.
4067 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4068 (var_reg_set, var_mem_set): ... new functions.
4069 (add_stores): Record subsequent insn.
4070 (compute_bb_dataflow): Use new functions for MO_USE.
4071 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4072 notes after the insn, and modify notes before the insn known
4073 to be the subsequent one.
4074 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4076 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4079 * config/i386/i386.c (ix86_expand_builtin): Use
4080 gen_sse3_monitor64 for TARGET_64BIT.
4082 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4084 PR rtl-optimization/26375
4085 PR rtl-optimization/26855
4086 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4088 (df_ru_bb_local_compute): Reversed statements and removed bogus
4089 comment explaining why they should be in wrong order.
4090 (df_ru_dump, df_rd_dump): Enhanced debug info.
4091 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4093 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4094 reaching uses and fixed space problem.
4096 2006-05-23 Jan Hubicka <jh@suse.cz>
4098 * cgraphunit.c (decide_is_function_needed): Also nested functions
4099 and functions declared inline can be optimized out at -O0.
4101 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4103 * doc/install.texi (Configuration): Remove reference to CrossGCC
4107 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4110 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4111 ix86_compare_emitted is non-NULL.
4113 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4116 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4119 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4121 PR rtl-optimization/25514
4122 * combine.c (replaced_rhs_insn): New variable.
4123 (combine_instructions): Set replaced_rhs_insn when trying to replace
4124 a SET_SRC with a REG_EQUAL note.
4125 (distribute_notes): Use replaced_rhs_insn when determining the live
4126 range of a REG_DEAD register.
4128 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4129 Anatoly Sokolov <aesok@post.ru>
4131 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4132 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4133 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4134 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4135 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4136 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4137 at90usb647, at90usb1286 and at90usb1287 devices.
4138 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4139 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4141 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4143 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4145 2006-05-22 Richard Guenther <rguenther@suse.de>
4148 2006-01-31 Richard Guenther <rguenther@suse.de>
4149 Paolo Bonzini <bonzini@gnu.org>
4151 * doc/install.texi (--disable-libgcc-math): Document.
4153 2006-05-22 Richard Guenther <rguenther@suse.de>
4156 2006-01-31 Richard Guenther <rguenther@suse.de>
4158 * doc/invoke.texi (-msselibm): Document.
4159 * target.h (expand_library_builtin): New target hook.
4160 * builtins.c (expand_builtin): Use expand_library_builtin.
4161 (default_expand_library_builtin): New function.
4162 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4163 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4164 (link_gcc_math_spec): Declare.
4165 (static_specs): Add link_gcc_math_spec.
4166 * expr.h (default_expand_library_builtin): Declare.
4167 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4168 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4169 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4170 * config/i386/i386.opt (msselibm): New target option.
4171 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4172 (ix86_init_sse_abi_builtins): New function.
4173 (ix86_expand_library_builtin): Likewise.
4174 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4175 (override_options): Handle error conditions wrt -msselibm.
4176 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4177 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4178 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4181 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4184 * c-common.c (self_promoting_args_p): Skip erroneous args.
4187 * c-decl.c (finish_struct): Skip erroneous fields.
4189 2006-05-22 Nick Clifton <nickc@redhat.com>
4191 * config/cris/cris.opt (march): Remove VarExists attribute.
4192 (max-stackframe=): Likewise.
4194 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4196 * doc/rtl.texi: Fix a typo.
4197 * see.c: Fix comment typos.
4199 * tree-ssa-structalias.h (alias_info): Remove num_references.
4201 2006-05-21 Mike Stump <mrs@apple.com>
4203 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4205 (darwin_pragma_options): Use BAD instead.
4206 (darwin_pragma_unused): Likewise.
4207 (darwin_pragma_ms_struct): Likewise.
4209 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4211 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4213 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4215 PR rtl-optimization/27671
4216 * simplify-rtx.c (simplify_relational_operation_1): Fix
4217 simplifications of (eq/ne (xor x y) y) and
4218 (eq/ne (xor x y) x).
4220 PR tree-optimization/26622.
4221 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4224 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4226 * tree-cfg.c: Prune whitespace.
4227 (debug_tree_cfg): Point to correct header containing the
4230 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4233 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4235 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4238 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4239 or sorry count is non zero.
4241 2006-05-20 Andreas Schwab <schwab@suse.de>
4243 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4245 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4246 Kenneth Zadeck <zadeck@naturalbridge.com>
4248 PR rtl-optimization/26855
4250 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4252 (df_scan_alloc): Added code to properly handle multiword hard
4253 registers and add all_blocks parameter.
4254 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4255 code to properly handle multiword hard registers.
4256 (df_rescan_blocks): Added code to remove deleted blocks from
4258 (df_ref_create_structure, df_ref_record): Added code to properly
4260 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4261 and set DF_REF_PARTIAL.
4262 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4263 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4264 (df_scan_add_problem): Added flags parameter.
4265 (df_ref_create_structure): Changed switching structure.
4266 (df_bb_refs_record): Fixed case where duplicate artificial refs
4267 were created. Changed location of flags.
4268 (df_record_entry_block_defs): Added code to make stack pointer
4269 live in entry block. Refined cases where frame pointer is needed.
4270 Changed location of flags.
4271 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4272 (df_set_state): Removed function.
4273 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4274 df_insn_create_insn_record, df_insn_refs_delete,
4275 df_ref_create_structure): Formatting changes.
4276 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4277 df_delete_basic_block): New function.
4278 (df_init): Changed location of flags.
4279 (df_add_problem): Added flags parameter and the way flags are
4281 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4282 debug_df_chain): Improved debugging output.
4283 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4284 (df_refs_chain_dump): Removed df parameter.
4285 (df_iterative_dataflow): Added consistency check.
4286 (df_prune_to_subcfg): Made public.
4287 (df_analyze_problem): Added blocks_to_init parameter and made
4289 (df_ref_record, df_bb_refs_record, df_mark_reg,
4290 df_record_exit_block_uses): Whitespace changes.
4291 (df_dump): Whitespace changes.
4292 * df.h: Some reordering to remove forward references.
4293 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4294 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4295 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4296 (dataflow.flags): New field.
4297 (df.flag): Deleted field.
4298 (df_alloc_function): Added additional bitmap parameter.
4299 (df_dependent_problem_function): New type.
4300 (df_problem.changeable_flags): New field.
4301 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4302 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4303 (df_mw_hardreg): New struct.
4304 (DF_INSN_UID_MWS): New macro.
4305 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4307 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4308 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4309 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4310 (df_set_state): Removed function.
4311 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4312 * df-problems.c (df_chain_dump): Removed df parameter.
4313 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4314 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4316 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4317 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4318 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4319 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4320 DF_REF_MUST_CLOBBER cases.
4321 (df_ru_bb_local_compute_process_def,
4322 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4323 df_lr_bb_local_compute, df_ur_bb_local_compute,
4324 df_chain_create_bb): Made subreg aware.
4325 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4326 df_lr_bb_local_compute, df_lr_bb_local_compute,
4327 df_chain_create_bb): Cleanup to use proper macros.
4328 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4329 code to fixup bitvectors.
4330 (df_ri_alloc): Cleared lifetime.
4331 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4332 df_create_unused_note): New function.
4333 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4334 REG_DEAD and REG_UNUSED notes as well as register information.
4335 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4336 df_chains_dump): Fixed crash if problem was never run.
4337 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4338 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4339 df_ri_add_problem): Processes flags in uniform manner.
4340 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4341 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4342 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4343 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4344 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4345 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4346 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4347 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4348 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4349 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4350 * see.c (see_initialize_data): Ditto.
4351 * final.c (rest_of_clean_state) Added regstack_completed.
4352 * rtl.h (regstack_completed): Ditto.
4353 * reg-stack.c (regstack_completed): Ditto.
4355 2006-05-19 Mike Stump <mrs@apple.com>
4357 * c-tree.h (default_conversion): Remove.
4358 * c-common.h (default_conversion): Add.
4360 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4362 * tree-vrp.c (valid_value_p): New function.
4363 (adjust_range_with_scev): Fail if the value of bound is not
4366 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4368 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4369 (mips_fallback_frame_state): Use syscall numbers to determine
4370 the appropriate li instruction for the current ABI. Only use
4371 __NR_sigreturn for o32.
4373 2006-05-19 Nicolas Setton <setton@adacore.com>
4375 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4376 * langhooks.c (lhd_dwarf_name): New function.
4377 * langhooks-def.h (lhd_dwarf_name): Declare.
4378 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4379 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4380 * ada/misc.c (gnat_dwarf_name): New function.
4381 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4383 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4385 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4387 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4388 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4389 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4390 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4391 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4392 determine the size of Wtype, etc.
4393 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4394 (swfloatfuncs): New variable.
4395 (dwfloatfuncs): Likewise.
4396 (lib2funcs): Remove floating-point conversion functions from
4397 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4398 the set of conversion routines needed. Allow entries to specify
4399 an object name, filename and word size. Update users accordingly.
4400 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4401 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4405 2006-02-08 Roger Sayle <roger@eyesopen.com>
4408 * config/fixtfdi.c: New libgcc source file.
4409 * config/fixunstfdi.c: New source file.
4410 * config/floatditf.c: New source file.
4411 * config/floatunditf.c: New souce file.
4412 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4413 files above instead of config/mips/_tilib.c.
4414 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4416 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4418 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4419 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4421 2006-05-18 Mike Stump <mrs@apple.com>
4423 Fix up vla, vm and [*] sematics.
4429 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4430 (c_vla_unspec_p): Add.
4431 (c_vla_type_p): Add.
4432 * c-decl.c (struct c_scope): Add had_vla_unspec.
4433 (build_array_declarator): Add support for [*].
4434 (grokdeclarator): Likewise.
4435 (grokparms): Likewise.
4436 (get_parm_info): Likewise.
4437 * c-objc-common.c (c_vla_unspec_p): Likewise.
4438 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4439 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4440 typeof when argument is a variably modified type not inside sizeof or alignof.
4441 (c_parser_direct_declarator_inner): Propagate errors.
4442 (c_parser_sizeof_expression): Add support for [*].
4443 (c_parser_parms_declarator): Initialize had_vla_unspec.
4444 (c_parser_parms_list_declarator): Likewise.
4445 * c-typeck.c (c_vla_type_p): Add.
4446 (composite_type): Add support for vla compositing.
4447 (comptypes_internal): Add support for vla compatibility.
4448 (c_expr_sizeof_expr): Evaluate vla arguments.
4449 * tree.c (variably_modified_type_p): Update comment for [*].
4451 2006-05-18 Michael Matz <matz@suse.de>
4454 * config.host: Make assignments to host_xmake_file cumulative.
4455 * config.host (*-darwin*): Test $host, not $target.
4457 2006-05-12 Stuart Hastings <stuart@apple.com>
4459 * config/i386/i386.opt (-mstackrealign): New flag.
4460 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4461 (ix86_handle_cconv_attribute): Emit error when
4462 force_align_arg_pointer attribute collides with too many regparms.
4463 (ix86_function_regparm): Limit regparms when used with
4464 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4465 Support stack-realigning prologue in non-main functions. Emit
4466 warning for nested functions under -mstackrealign, emit error for
4467 nested functions with force_align_arg_pointer attribute.
4468 * doc/extend.texi (force_align_arg_pointer): Document it.
4469 * doc/invoke.texi (-mstackrealign): Document it.
4471 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4473 PR rtl-optimization/27477
4474 * combine.c (try_combine): Don't split a parallel consisting
4475 of two sets into two individual sets if both sets reference
4478 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4480 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4481 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4483 * doc/options.texi (VarExists): Updated.
4485 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4487 * unwind-dw2.c: Add declarations for uw_update_context and
4489 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4490 detected, advance frame state and context once to skip over stub.
4492 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4496 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4497 Call rewrite_into_loop_closed_ssa only when something changed.
4498 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4499 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4500 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4501 Test for perfect_nest_p here. Fix formating.
4502 (replace_uses_equiv_to_x_with_y): Fix formating.
4503 (stmt_uses_op): Removed.
4504 (can_convert_to_perfect_nest): Removed loopivs parameter.
4505 Complete the test by checking the scalar dependences.
4506 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4509 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4512 From Dan Kegel <dank@kegel.com>:
4513 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4515 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4517 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4518 if the element type is variably modified without recursing.
4520 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4523 * tree-loop-linear.c (try_interchange_loops): Test for
4524 no data dependences.
4526 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4528 PR tree-optimization/27548
4529 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4530 range of ssa names that appear on abnormal edges.
4531 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4532 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4534 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4537 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4539 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4542 * tree.h (OMP_PARALLEL_COMBINED): Define.
4543 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4544 (new_omp_context): Add is_combined_parallel argument.
4545 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4546 new_omp_context caller.
4547 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4548 Adjust gimplify_scan_omp_clauses callers.
4549 (omp_is_private): Issue errors if iteration variable is firstprivate
4550 or reduction in the current context.
4551 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4552 on combined parallel workshare constructs.
4554 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4556 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4557 (gcc-options.o): New rule.
4559 * optc-gen.awk: Protect variables for gcc-options.o with
4560 #ifdef GCC_DRIVER/#endif.
4562 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4564 Fix PR tree-optimization/27373
4565 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4566 (forward_propagate_addr_expr): Update call.
4568 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4570 * doc/options.texi: Move the Negative option.
4572 2006-05-16 Richard Guenther <rguenther@suse.de>
4574 PR tree-optimization/22303
4575 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4577 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4578 ccp_fold did not simplify the statement.
4580 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4583 * Makefile.in (GCC_OBJS): New.
4584 (OBJS-common): Add opts-common.o.
4585 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4586 (cpp$(exeext)): Likewise.
4587 (gcc.o): Also depend on opts.h.
4588 (opts-common.o): New.
4590 * common.opt (gcoff): Add Negative(gdwarf-2).
4591 (gdwarf-2): Add Negative(gstabs).
4592 (gstabs): Add Negative(gstabs+).
4593 (gstabs+): Add Negative(gvms).
4594 (gvms): Add Negative(gxcoff).
4595 (gxcoff): Add Negative(gxcoff+).
4596 (gxcoff+): Add Negative(gcoff).
4597 * config/i386/i386.opt (m32): Add Negative(m64).
4598 (m64): Add Negative(m32).
4600 * doc/options.texi: Document the Negative option.
4602 * gcc.c: Include "opts.h".
4603 (main): Call prune_options after expandargv.
4605 * optc-gen.awk: Generate common declarations for all flag
4606 variables in options.c. Output the neg_index field.
4608 * opts.c (find_opt): Moved to ...
4609 * opts-common.c: Here. New file.
4611 * opts.h (cl_option): Add a neg_index field.
4613 (prune_options): Likewise.
4615 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4618 * omp-low.c (expand_omp_parallel): Don't assert
4619 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4620 instead search for it.
4623 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4626 2006-05-16 Andreas Schwab <schwab@suse.de>
4628 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4631 2006-05-15 Roger Sayle <roger@eyesopen.com>
4634 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4635 integer constants other than zero are only legitimate on TARGET_64BIT.
4636 <CONST_VECTOR> Only zero vectors are legitimate.
4637 (ix86_cannot_force_const_mem): Integral and vector constants can
4638 always be put in the constant pool.
4640 2006-05-16 DJ Delorie <dj@redhat.com>
4642 * crtstuff.c (__dso_handle): Set section from
4643 TARGET_LBIGCC_SDATA_SECTION if defined.
4644 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4645 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4647 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4650 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4653 2006-05-16 Ben Elliston <bje@au.ibm.com>
4655 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4657 2006-05-15 Per Bothner <per@bothner.com>
4659 * tree.c: (last_annotated_node): Use source_locus typedef.
4660 This permits bootstrapping with --enable-mapped-location.
4662 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4664 PR tree-optimization/26830
4665 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4666 (info_for_ssa_name, current_info_for_ssa_name_age,
4667 blocks_to_update): New variables.
4668 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4669 (clear_ssa_name_info, initialize_flags_in_bb,
4670 mark_block_for_update): New functions.
4671 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4672 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4673 prepare_def_site_for): Use mark_block_for_update.
4674 (mark_def_interesting): Assert that the processed block is marked in
4675 blocks_to_update. Do not take blocks argument.
4676 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4678 (rewrite_update_init_block, rewrite_update_stmt): Only process
4679 blocks with statements to rewrite.
4680 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4681 (update_ssa): Initialize and free blocks_to_update. Do not
4682 clear flags on statements. Do not use blocks bitmap.
4683 * tree.h (SSA_NAME_AUX): Removed.
4684 (struct tree_ssa_name): Removed aux field.
4685 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4687 2006-05-15 Richard Guenther <rguenther@suse.de>
4689 PR tree-optimization/27603
4690 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4691 Do computations in original type.
4693 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4695 * see.c: Code style changes such as redundant paranthesis,
4696 redundant intialization of local variables etc.
4697 (see_main): Declared now as static.
4698 * doc/invoke.texi: Update that -fsee is not enabled by
4701 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4703 * omp-low.c (check_omp_nesting_restrictions): New function.
4704 (scan_omp_1): Call it.
4707 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4708 construct, return *VAR.
4710 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4712 PR rtl-optimization/27406
4713 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4716 2006-05-14 Roger Sayle <roger@eyesopen.com>
4718 PR rtl-optimization/27538
4719 * combine.c (expand_compound_operation): Call gen_lowpart
4720 before calling simplify_shift_const.
4722 2006-05-14 Roger Sayle <roger@eyesopen.com>
4724 PR rtl-optimization/22563
4725 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4726 a fixed width bitfield, always force the intermediates into psuedos.
4728 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4731 * mkconfig.sh: Use operator = instead of == for test.
4733 2006-05-13 Nick Clifton <nickc@redhat.com>
4735 * dwarf2out.c (dbx_reg_number): Check return value from
4736 LEAF_REG_REMAP and only use it if it is valid.
4737 (multiple_reg_loc_descriptor): Likewise.
4739 2006-05-13 Richard Guenther <rguenther@suse.de>
4741 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4744 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4746 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4747 information attached to non-INSNs such as NOTEs.
4748 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4750 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4752 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4754 * config/s390/s390.md: Adjust comment describing On constraint.
4756 2006-05-11 Jan Hubicka <jh@suse.cz>
4758 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4759 to be output at -O0.
4761 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4764 * fold-const.c (size_binop): Move sanity check for arguments to
4765 the beginning of the function.
4768 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4771 2006-05-11 Richard Guenther <rguenther@suse.de>
4774 * fold-const.c (fold_unary): Handle intermediate conversion
4775 to a pointer type like intermediate conversion to an integer
4776 type in folding of (T1)(T2)var to var.
4777 Match the code to the comment in the final conversion for
4778 (T1)(T2)var to (T1)var regarding to type precision. Rather
4779 than disallow T1 being of pointer type, assert that both T1
4780 and var are of pointer type or not. Make sure not to fall
4781 over the frontends lazyness wrt array to pointer decay though.
4783 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4785 * arm.c (arm_struct_value_rtx): Delete.
4786 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4787 (arm_init_cumulative_args): Always initialize nregs to zero.
4789 2006-05-10 Richard Guenther <rguenther@suse.de>
4791 PR tree-optimization/27532
4792 * tree-object-size.c (plus_expr_object_size): Fix typo.
4794 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4797 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4798 ashrdi_const, ashrdi3): Use a scratch register.
4800 2006-05-10 Richard Guenther <rguenther@suse.de>
4802 PR tree-optimization/27302
4803 * fold-const.c (operand_equal_p): For two comparisons,
4804 try comparison of one comparison code swapped if that yields
4807 2006-05-10 Ben Elliston <bje@au.ibm.com>
4809 * tree-pretty-print.c (pretty_print_string): No need to handle
4810 '\0' as a special character.
4812 * tree.h: Include "hashtab.h".
4813 (iterative_hash_expr): Use hashval_t in its prototype.
4814 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4816 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4819 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4820 (hppa*64*-*-hpux11*): Ditto.
4821 (hppa[12]*-*-hpux11*): Ditto.
4823 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4826 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4828 2006-05-09 Michael Matz <matz@suse.de>
4830 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4831 host_extra_gcc_objs and host_xmake_file.
4832 (<*-*-linux*>): Don't overwrite host_xmake_file.
4833 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4834 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4835 (host_detect_local_cpu): Declare.
4836 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4837 * config/i386/i386.c (override_options): Handle -mtune=native
4839 * config/i386/x-i386: New file.
4840 * config/i386/driver-i386.c: New file.
4841 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4844 2006-05-09 Dirk Mueller <dmueller@suse.de>
4845 Richard Guenther <rguenther@suse.de>
4848 * fold-const.c (fold_read_from_constant_string): Relax check
4849 for matching types to matching modes.
4851 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4853 PR rtl-optimization/27335
4854 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4857 2006-05-08 Chao-ying Fu <fu@mips.com>
4858 Richard Sandiford <richard@codesourcery.com>
4860 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4861 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4862 * config/mips/mips.md (UNSPEC_SCC): New constant.
4863 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4864 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4865 (mips_emit_compare): Use it.
4866 (mips_expand_vcondv2sf): New function.
4868 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4870 Fix PR tree-optimization/27093
4871 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4872 renaming when they become not-used_alone.
4874 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4876 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4877 relocation and relocation stubs.
4879 2006-05-08 Eric Christopher <echristo@apple.com>
4881 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4884 2006-05-08 Jan Hubicka <jh@suse.cz>
4887 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4888 unused static functions are needed.
4890 2006-05-08 Roger Sayle <roger@eyesopen.com>
4893 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4894 of a reg_equiv_constant if the result is a legitimate constant.
4896 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4899 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4900 standard 80387 constants, raise the cost to prevent
4901 compress_float_constant() to generate load from memory.
4903 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4905 * config/arm/constraints.md (c): Fix a typo.
4907 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4910 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4913 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4915 (_mm_mwait): Likewise.
4917 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4919 (sse3_monitor): Make it 32bit only.
4920 (sse3_monitor64): New. 64bit monitor.
4922 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4925 * config/i386/i386.c (classify_argument): Skip fields with invalid
4928 2006-05-07 Richard Guenther <rguenther@suse.de>
4930 PR tree-optimization/27409
4931 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4932 Do not try to find zero-sized subvars.
4934 2006-05-07 Richard Guenther <rguenther@suse.de>
4936 PR tree-optimization/27136
4937 * tree-ssa-loop-niter.c (get_val_for): Correct function
4938 comment, assert requirements.
4939 (loop_niter_by_eval): Stop processing if the iterated
4940 value did not simplify.
4942 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4944 * opts.c (flag_see): remove its setting at -O3.
4946 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4948 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4949 * arm/constraints.md: New file.
4950 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4951 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4952 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4953 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4954 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
4955 (EXTRA_MEMORY_CONSTRAINT): Likewise.
4956 * arm.md: Include constraints.md.
4957 (thumb_movsi_insn): Use satisfies_constraint_J.
4958 (movhi, movqi): Use satisfies_constraint_I.
4960 2006-04-29 Anatoly Sokolov <aesok@post.ru>
4962 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
4963 for atmeg a645 device.
4965 2006-05-06 Richard Guenther <rguenther@suse.de>
4967 PR tree-optimization/27151
4968 * tree-vect-transform.c (vectorizable_condition): Punt on
4969 values that have a different type than the condition.
4971 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
4974 * c-parser.c (c_parser_cast_expression): Only insert casts into
4975 hash table if pointer.
4976 * function.c (used_types_insert_helper): Rename from
4978 (used_types_insert): Call used_types_insert_helper.
4979 * function.h (used_types_insert): Accept only one argument.
4981 2006-05-05 David Edelsohn <edesohn@gnu.org>
4983 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
4984 scratch with output modifier.
4986 2006-05-04 David Edelsohn <edelsohn@gnu.org>
4989 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
4990 with output modifier.
4992 2006-05-04 Richard Sandiford <richard@codesourcery.com>
4995 * config/mips/mips.c (mips_symbolic_address_p): Return true
4996 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
4997 SYMBOL_GOTTPREL, and SYMBOL_TLS.
4999 2006-05-04 Richard Guenther <rguenther@suse.de>
5001 PR tree-optimization/14287
5002 PR tree-optimization/14844
5003 PR tree-optimization/19792
5004 PR tree-optimization/21608
5005 PR tree-optimization/27090
5006 * tree-ssa-pre.c (try_combine_conversion): New function.
5007 (compute_avail): After constructing the value-handle
5008 expression, use try_combine_conversion to combine NOP_EXPRs
5009 with previous value-handle expressions and use the result if it
5012 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5014 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5016 2006-05-04 Jan Hubicka <jh@suse.cz>
5019 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5021 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5023 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5024 that this only matches CONST_INTs. All users changed to VOIDmode
5027 * config/bfin/bfin.c: Include "optabs.h".
5028 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5030 (enum bfin_builtins): Add a number of fractional and vector builtins.
5031 (bfin_init_builtins): Likewise.
5032 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5033 (safe_vector_operand, bfin_expand_binop_builtin,
5034 bfin_expand_unop_builtin): New functions.
5035 (bfin_expand_builtin): Handle the new builtins.
5036 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5039 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5042 * Makefile.in (OBJS-common): Add see.o.
5043 (see.o): Add dependencies.
5044 * common.opt (fsee): New flag for the see optimization was added.
5045 * opts.c (flag_see): Initialized.
5046 * passes.c (init_optimization_passes, pass_see): New pass.
5047 * rtl.h (see_main): Declaration as extern.
5048 * timevar.def (TV_SEE): New.
5049 * tree-pass.h (pass_see): Declaration as extern.
5050 * invoke.texi (-fsee): Document.
5051 * recog.c (validate_simplify_insn): New function.
5052 * recog.h (validate_simplify_insn): Declaration as extern.
5053 * df-problems.c (df_chain_dump): Check for NULL.
5055 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5056 Daniel Berlin <dberlin@dberlin.org>
5058 * cfgrtl.c (insert_insn_bb_end_new): New function.
5059 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5061 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5063 * df.h (struct web_entry): Moved from web.c.
5064 (union_defs): Declaration as extern.
5065 (unionfind_root): Likewise.
5066 (unionfind_union): Likewise.
5067 * web.c (struct web_entry): Moved to df.h.
5068 (unionfind_root): Remove static declaration.
5069 (unionfind_union): Likewise.
5070 (union_defs): Likewise and generalize to use callback function.
5071 (web_main): Update arguments for union_defs function call.
5073 2006-05-04 Richard Guenther <rguenther@suse.de>
5075 PR tree-optimization/26447
5076 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5077 produce SSA_NAME copies before the store stmt to avoid
5078 breaking exception handling.
5080 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5083 * gimplify.c (omp_is_private): If var is shared in some outer context,
5084 return false instead of true. Stop searching on parallel context
5087 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5090 * coverage.c: Use get_gcov_unsigned_t() instead of
5091 unsigned_type_node all over.
5093 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5095 PR tree-optimization/27381
5096 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5097 maintain the same immediate_use links.
5098 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5099 node rather than segfaulting.
5101 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5104 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5105 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5106 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5108 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5110 Fix PR tree-optimization/26626
5111 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5113 * tree-ssa-operands.c (access_can_touch_variable): Allow
5114 typecasting through union pointers.
5116 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5119 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5120 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5121 to find if var will be a global variable even in the nested context.
5122 (omp_copy_decl): Only check for global variable at the end, it might
5123 be overridden in outer contexts.
5124 (scan_sharing_clauses): For global variables don't create a field.
5125 (lower_rec_input_clauses): Do nothing for global shared variables.
5126 Emit a barrier at the end of ILIST if there were any decls in both
5127 firstprivate and lastprivate clauses.
5128 (lower_send_clauses): Do nothing for global variables except for
5131 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5133 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5134 of the correct signedness is returned.
5136 2006-05-02 Jeff Law <law@redhat.com>
5138 PR tree-optimization/27364
5139 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5140 multiply expressions.
5142 2006-05-02 Tom Tromey <tromey@redhat.com>
5144 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5146 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5149 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5150 -mthumb -fPIC are used.
5152 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5153 Joshua Kinard <kumba@gentoo.org>
5156 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5157 with 64-bit pointers.
5159 2006-05-02 Paul Brook <paul@codesourcery.com>
5161 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5163 (create_fix_barrier): Check that a suitable barrier location is
5165 (arm_reorg): Include ftmp->address in allowable range of addresses.
5167 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5170 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5173 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5176 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5177 around RESULT_DECL for result passed by reference.
5178 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5179 * omp-low.c (use_pointer_for_field): Don't look at
5180 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5181 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5182 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5183 time or var for passing by reference for
5184 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5185 TREE_ADDRESSABLE variables when passing by reference.
5187 * omp-low.c (dump_omp_region): Fix output formatting.
5190 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5191 (expand_omp_parallel): Likewise.
5192 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5195 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5196 on statement list containing also constructors and destructors.
5197 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5200 * except.c (duplicate_eh_regions): Fix clearing of
5201 cfun->eh->region_array entries.
5203 2006-05-01 DJ Delorie <dj@redhat.com>
5205 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5207 (gcc_cv_objdump): Likewise.
5208 * configure: Regenerated.
5210 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5213 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5214 templates for case 3 and 4.
5216 2006-05-01 DJ Delorie <dj@redhat.com>
5218 * vec.c: Include bconfig.h when appropriate.
5219 * Makefile.in (build/vec.o): Adjust dependencies.
5220 * mkconfig.sh: Make sure config.h isn't used for build machine
5223 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5225 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5227 (mark_phi_for_rewrite): New function.
5228 (insert_phi_nodes_for, mark_use_interesting): Call
5229 mark_phi_for_rewrite.
5230 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5231 (update_ssa): Initialize and free phis_to_rewrite.
5233 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5235 PR rtl-optimization/27291
5236 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5237 folded to a constant.
5239 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5241 PR tree-optimization/27283
5242 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5243 not whole # of iteration descriptions.
5244 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5245 uses abnormal ssa name.
5246 (niter_for_single_dom_exit): Ditto.
5247 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5248 return just the number of iterations.
5250 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5252 PR tree-optimization/27144
5253 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5254 (record_estimate): Only record constant upper bound.
5255 (infer_loop_bounds_from_undefined): Call
5256 compute_estimated_nb_iterations just once.
5257 (proved_non_wrapping_p): Renamed to ...
5258 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5259 (convert_step_widening, scev_probably_wraps_p): Call
5260 n_of_executions_at_most instead of proved_non_wrapping_p.
5261 (substitute_in_loop_info): Do not replace values in bounds.
5262 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5265 2006-05-01 Richard Henderson <rth@redhat.com>
5268 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5269 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5272 2006-05-01 Roger Sayle <roger@eyesopen.com>
5274 * c-typeck.c (parser_build_binary_op): Don't call the function
5275 unsigned_conversion_warning to spot operand/result type overflow.
5276 (build_binary_op): Instead, call convert_and_check instead of
5277 convert to report the problem when the operands are promoted.
5278 * c-common.c (unsigned_conversion_warning): Make static.
5279 * c-common.h (unsigned_conversion_warning): Delete prototype.
5281 2006-05-01 Richard Guenther <rguenther@suse.de>
5283 PR tree-optimization/26726
5284 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5286 (find_interesting_uses_address): ... we work around here
5287 by folding INDIRECT_REFs in the substituted base.
5289 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5291 * omp-low.c (dump_omp_region): Add newlines.
5293 2006-04-30 Roger Sayle <roger@eyesopen.com>
5295 * common.opt (Woverflow): New command line option.
5296 * c-common.c (constant_expression_warning): Check warn_overflow.
5297 (overflow_waring): Pass OPT_Woverflow to warning.
5298 (unsigned_conversion_warning): Likewise.
5299 (convert_and_check): Likewise.
5300 * doc/invoke.texi: Document new command line option.
5302 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5304 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5305 TARGET_NO_FP_IN_TOC for section anchors.
5306 (optimization_options): Enable section anchors for all
5307 non-"Objective" languages.
5309 2006-04-28 Eric Christopher <echristo@apple.com>
5311 * config/darwin-c.c (darwin_ms_struct): Move this
5312 (darwin_set_default_type_attributes): and this...
5313 * config/darwin.c: ... here.
5314 * config/darwin.h (darwin_ms_struct): Declare.
5316 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5318 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5320 2006-04-28 Roger Sayle <roger@eyesopen.com>
5323 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5324 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5325 an unsigned HOST_WIDE_INT.
5326 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5328 (really_start_incremental_init): No need to call convert because
5329 bitsize_zero_node is already of type bitsizetype.
5330 (push_init_level): Extract the value of constructor_index as an
5331 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5332 (process_init_element): Likewise.
5334 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5336 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5337 value before passing to make_relative_prefix.
5339 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5342 * builtins.c (expand_builtin_memset): Expand val in original mode.
5344 2006-04-27 Eric Christopher <echristo@apple.com>
5346 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5347 with #ifndef/#endif.
5348 * config/darwin-c.c (darwin_ms_struct): New.
5349 (darwin_pragma_ms_struct): Ditto.
5350 (darwin_set_default_type_attributes): Ditto.
5351 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5352 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5353 Register ms_struct pragma.
5354 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5355 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5356 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5357 darwin_set_default_type_attributes if TARGET_MACHO.
5359 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5361 PR tree-optimization/26854
5362 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5363 * doc/tree-ssa.texi: Update immuse iterator documentation.
5364 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5365 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5366 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5367 first_safe_imm_use, next_safe_imm_use): Remove.
5368 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5369 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5370 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5371 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5372 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5373 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5374 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5375 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5376 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5377 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5378 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5379 (perfect_nestify): Use new iterator.
5380 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5382 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5383 (next_imm_name): New field in struct immediate_use_iterator_d.
5384 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5385 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5386 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5387 * tree-cfg.c (replace_uses_by): Use new iterator.
5388 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5389 * tree-ssa-operands.c (correct_use_link): Remove.
5390 (finalize_ssa_use_ops): No longer call correct_use_link.
5392 2006-04-27 Stuart Hastings <stuart@apple.com>
5394 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5395 * config/t-darwin (crt3.o): Use it.
5396 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5397 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5398 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5399 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5400 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5403 2006-04-27 Roger Sayle <roger@eyesopen.com>
5405 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5406 size, force the intermediate into a new pseudo rather instead of
5407 performing both a bitwise AND and a bitwise IOR in memory.
5409 2006-04-27 Richard Guenther <rguenther@suse.de>
5411 PR rtl-optimization/26685
5412 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5413 this one "max-flow-memory-locations".
5415 2006-04-27 Richard Guenther <rguenther@suse.de>
5417 PR tree-optimization/25148
5418 * tree-vrp.c (compare_values): Remove code dealing with
5419 comparisons against type min/max value. Honour overflow
5420 and negative constants in code dealing with comparisons
5421 of plus and minus expressions.
5422 (value_inside_range): Use fold_binary with LE_EXPR and
5423 GE_EXPR rather than compare_values.
5425 2006-04-27 Dirk Mueller <dmueller@suse.de>
5427 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5430 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5432 * basic-block.h (safe_insert_insn_on_edge): Removed.
5433 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5435 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5436 Paolo Bonzini <bonzini@gnu.org>
5439 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5440 (simplify_and_const_int): Same.
5442 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5444 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5446 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5449 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5450 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5451 cgraph_global_info_ready.
5454 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5457 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5458 either decl or init is error_mark_node.
5461 * tree-flow.h (struct omp_region): Add sched_kind.
5462 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5463 instead of extracting omp for data.
5464 (expand_omp_for): Save extracted sched_kind.
5466 2006-04-25 Roger Sayle <roger@eyesopen.com>
5468 * expmed.c (store_bit_field): Also check whether the bitsize is
5469 valid for the machine's "insv" instruction before moving the
5470 target into a pseudo for use with the insv.
5471 * config/i386/predicates.md (const8_operand): New predicate.
5472 * config/i386/i386.md (extv, extzv, insv): Use the new
5473 const8_operand predicate where appropriate.
5475 2006-04-25 DJ Delorie <dj@redhat.com>
5477 * doc/install.texi (Specific): Clarify that this is not a list of
5478 supported hosts or targets.
5480 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5482 PR rtl-optimization/26725
5483 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5484 block's BB_DIRTY flag.
5486 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5488 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5491 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5492 to print an integer.
5494 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5496 * varasm.c (align_variable): New function.
5497 (get_block_for_decl): Apply align_variable to DECL before
5498 calculating section information.
5499 (assemble_variable): Split out alignment computation.
5501 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5503 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5506 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5508 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5509 MODE_PARTIAL_INT mode.
5510 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5511 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5513 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5514 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5516 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5518 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5520 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5521 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5522 MACFLAG_IH): Likewise.
5523 (movstricthi_1): Renamed from "*movstricthi".
5524 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5525 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5526 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5527 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5528 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5529 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5530 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5531 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5532 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5533 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5534 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5535 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5536 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5537 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5538 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5540 * doc/rtl.texi (ss_ashift): Improve wording.
5542 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5544 * dwarf2out.c (verify_marks_clear): New.
5545 (prune_unused_types): Call verify_marks_clear initially, not
5548 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5550 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5551 * doc/rtl.texi: Document them.
5552 * simplify-rtx.c (simplify_unary_operation,
5553 simplify_binary_operation_1): Don't abort when we see them.
5555 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5558 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5559 * configure.ac: Completely disregard languages that are not
5561 * configure: Regenerated.
5563 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5564 Richard Guenther <rguenther@suse.de>
5566 PR tree-optimization/27236
5567 * tree-inline.c (copy_body_r): Make sure to copy
5568 TREE_THIS_VOLATILE flag.
5570 2006-04-24 Richard Guenther <rguenther@suse.de>
5573 * tree-complex.c (update_parameter_components): Don't handle
5574 unused parameters which have no default def.
5576 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5577 Richard Guenther <rguenther@suse.de>
5579 PR tree-optimization/27218
5580 * tree-inline.c (expand_call_inline): Strip useless type
5581 conversions for the return slot address.
5583 2006-04-24 Richard Guenther <rguenther@suse.de>
5585 * cfgloop.h (struct loops): Remove unused field array. Reorder
5587 (LOOP_PREFETCH): Remove.
5589 2006-04-24 Richard Guenther <rguenther@suse.de>
5591 PR tree-optimization/22525
5592 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5593 variable, adjust types of generated expressions.
5595 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5597 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5598 (tree-vect-patterns.o): Likewise.
5600 (cselib.o): Likewise.
5601 (loop-doloop.o): Likewise.
5602 (regclass.o): Likewise.
5603 (reload1.o): Likewise.
5604 (explow.o): Replace target.h with $(TARGET_H).
5605 (ipa-prop.o): Likewise.
5606 (ipa-cp.o): Likewise.
5607 (ipa-inline.o): Likewise.
5608 (reorg.o): Likewise.
5609 (reg-stack.o): Likewise.
5611 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5613 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5615 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5617 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5619 * configure.ac: Completely disregard languages that are not
5621 * configure: Regenerated.
5624 * c-common.h (c_build_bitfield_integer_type): Declare.
5625 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5626 * c-common.c (c_build_bitfield_integer_type): ... here.
5628 2006-04-23 Roger Sayle <roger@eyesopen.com>
5631 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5632 a SImode SUBREG of a floating point register after no_new_pseudos.
5634 2006-04-23 Roger Sayle <roger@eyesopen.com>
5636 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5637 identify potentially eliminable registers to additionally catch
5638 VIRTUAL_INCOMING_ARGS_REGNUM.
5639 (addsi3): Update the conditions on when to use addsi_small_int.
5641 2006-04-23 Roger Sayle <roger@eyesopen.com>
5644 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5645 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5646 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5648 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5650 * fold-const.c (range_predecessor): Use operand_equal_p
5651 as the predicate for equality.
5652 (range_successor): Likewise.
5654 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5657 * config/soft-fp/op-common.h: Fix a typo.
5659 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5662 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5663 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5665 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5667 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5669 * doc/tm.texi: Fix a typo.
5671 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5673 * dwarf2out.c (struct die_struct): Document that die_sib makes
5674 a circular linked list.
5675 (FOR_EACH_CHILD): New.
5676 (reverse_die_lists): Delete.
5677 (reverse_all_dies): Delete.
5678 (add_dwarf_attr): Correct documentation.
5679 (remove_child_with_prev): New.
5680 (remove_child_TAG): Update for change to die_struct, use
5681 remove_child_with_prev.
5682 (add_child_die): Update for change to die_struct.
5683 (splice_child_die): Use remove_child_with_prev and add_child_die.
5684 (print_die): Use FOR_EACH_CHILD.
5685 (die_checksum): Likewise.
5686 (assign_symbol_names): Likewise.
5687 (output_location_lists): Likewise.
5688 (build_abbrev_table): Likewise.
5689 (calc_die_sizes): Likewise.
5690 (mark_dies): Likewise.
5691 (unmark_dies): Likewise.
5692 (unmark_all_dies): Likewise.
5693 (output_die): Likewise.
5694 (prune_unused_types_mark): Likewise.
5695 (prune_unused_types_walk): Likewise.
5696 (same_die_p): Update for change to die_struct.
5697 (break_out_includes): Likewise.
5698 (prune_unused_types_prune): Likewise.
5699 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5700 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5702 (dwarf2out_finish): Don't call reverse_all_dies.
5704 2006-04-21 Eric Christopher <echristo@apple.com>
5706 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5707 in comments and function names.
5709 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5712 * c-typeck.c (digest_init): Robustify.
5714 * c-typeck.c (pop_init_level): Simplify.
5716 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5718 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5720 2006-04-21 Paul Brook <paul@codesourcery.com>
5722 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5723 hardware floating point.
5725 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5727 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5730 2006-04-21 Nick Clifton <nickc@redhat.com>
5732 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5735 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5738 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5739 C++ lang type in traceback table for Objective-C++.
5741 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5743 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5745 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5747 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5750 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5751 were errors. Remove check for erroneous objects.
5753 2006-04-20 Jeff Law <law@redhat.com>
5755 PR tree-optimization/26854
5756 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5757 checking for zero or one use.
5758 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5759 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5760 * tree-ssa-reassoc.c (negate_value): Similarly.
5761 (reassociate_bb): Similarly.
5763 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5765 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5766 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5767 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5769 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5771 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5772 fp regs if the last fp arg doesn't fit in regs.
5774 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5777 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5778 that the last insn has the REG_INC note.
5780 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5781 Nathan Sidwell <nathan@codesourcery.com>
5784 * stor-layout.c (update_alignment_for_field): Do not align
5786 (place_union_field): Place union field at the start of the union.
5787 (place_field): Move ERROR_MARK check later, and use the current
5788 allocation position to maintain monotonicity.
5790 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5792 * dominance.c: Include timevar.h.
5793 (calculate_dominance_info): Use TV_DOMINANCE.
5794 * timevar.def (TV_DOMINANCE): New timevar.
5795 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5797 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5799 PR rtl-optimization/14261
5800 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5801 move would be an INSV insn.
5802 (noce_process_if_block): Don't optimize if the destination is a
5803 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5805 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5807 * config/s390/s390.md: Add comments with the instructions emitted
5808 by an insn pattern if macros are used.
5810 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5812 PR rtl-optimization/26026
5813 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5814 is a known power of two shifted left a variable amount.
5816 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5818 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5819 to hash table twice when the debug_str section has SECTION_MERGE.
5821 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5823 * config/soft-fp: New directory. From glibc.
5824 * config/soft-fp/t-softfp: New.
5825 * config/soft-fp/README: New.
5826 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5827 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5828 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5829 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5830 * config.gcc: Use rs6000/t-fprules-fpbit or
5831 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5833 * config/rs6000/sfp-machine.h: New. Based on glibc.
5834 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5836 * config/rs6000/t-fprules: Remove fp-bit rules.
5837 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5838 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5839 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5840 (softfp_wrap_start, softfp_wrap_end): New.
5842 2006-04-18 DJ Delorie <dj@redhat.com>
5844 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5846 2006-04-18 Devang Patel <dpatel@apple.com>
5848 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5850 2006-04-18 Nick Clifton <nickc@redhat.com>
5852 * config/sh/t-symbian: Add rule to build sh-c.o
5853 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5854 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5855 (sh_symbian_encode_section_info): Likewise.
5857 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5859 * builtins.c (expand_builtin_strcmp): Cover label definition of
5860 do_libcall with HAVE_cmpstrnsi.
5862 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5864 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5866 * function.h (temp_slot_p): New.
5867 (function): Change the type of x_used_temp_slots to
5868 VEC(temp_slot_p,gc) *.
5870 2006-04-18 Nick Clifton <nickc@redhat.com>
5872 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5873 flag_strength_reduce.
5875 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5877 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5881 Partial revert of revision 112637
5882 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5883 Dale Johannesen <dalej@apple.com>
5886 * regclass.c (struct reg_pref): Update documentation.
5887 (regclass): Set prefclass to NO_REGS if memory is the best option.
5888 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5890 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5892 PR tree-optimization/26821
5893 * tree-ssa-math-opts.c (get_constant_one): New.
5894 (insert_reciprocals): Use it.
5896 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5898 * dwarf2out.c (free_AT): Delete.
5899 (remove_AT): Update string ref counts.
5900 (remove_child_TAG): Don't call free_die.
5902 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5903 or DW_TAG_GNU_EINCL.
5904 (prune_unused_types_walk_attribs): Reset string refcounts.
5905 (prune_unused_types_update_strings): New.
5906 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5907 call free_die. Do call prune_unused_types_update_strings.
5908 (prune_unused_types): Empty debug_str_hash.
5910 2006-04-17 Roger Sayle <roger@eyesopen.com>
5912 * expr.c (expand_assignment): Optimize away no-op moves where the
5913 source and destination are equal and have no side-effects.
5915 2006-04-17 Richard Guenther <rguenther@suse.de>
5918 * reload.c (push_reload): Guard calls to get_secondary_mem
5921 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5923 * alias.c (reg_base_value, old_reg_base_value): Change the
5924 type to VEC(rtx,gc) *.
5925 (REG_BASE_VALUE, find_base_value, record_set,
5926 init_alias_analysis): Use VEC instead of VARRAY.
5928 * alias.c (alias_sets): Change the type to
5929 VEC(alias_set_entry,gc) *.
5930 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5931 VEC instead of VARRAY.
5932 (last_alias_set): Remove.
5934 * cgraph.h (cgraph_edge_p): New.
5935 Update the prototype of cgraph_function_versioning.
5936 * cgraphunit.c (cgraph_copy_node_for_versioning,
5937 cgraph_function_versioning): Use VEC instead of VARRAY.
5938 * ipa-cp.c (ipcp_insert_stage): Likewise.
5940 2006-04-16 Roger Sayle <roger@eyesopen.com>
5943 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5944 "A op B" or "A op C", we may need to convert A to the type of B and C.
5946 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5948 * target.h (struct gcc_target): Add mode_rep_extended.
5949 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5950 (init_num_sign_bit_copies_in_rep): Initialize it using
5952 (truncate_to_mode): Use it.
5953 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5954 * targhooks.h (default_mode_rep_extended): Declare it.
5955 * targhooks.c (default_mode_rep_extended): Define it.
5956 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
5957 default_mode_rep_extended.
5958 (TARGET_INITIALIZER): Include it.
5959 * doc/tm.texi (Misc): Document it.
5960 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
5961 (mips_truncated_to_mode): New function.
5963 2006-04-16 Roger Sayle <roger@eyesopen.com>
5966 * expr.c (compress_float_constant): Copy the narrow constant into
5967 a new pseudo before extending it to its final width.
5969 2006-04-16 Roger Sayle <roger@eyesopen.com>
5970 Andrew Pinski <pinskia@gcc.gnu.org>
5971 Dale Johannesen <dalej@apple.com>
5974 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
5975 special case code to implement V8HImode and V16QImode with SSE2.
5977 2006-04-15 Roger Sayle <roger@eyesopen.com>
5979 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
5980 trees are constructed with a suitable tree type.
5982 2006-04-15 Roger Sayle <roger@eyesopen.com>
5984 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
5985 (integer_onep): Likewise.
5986 (integer_all_onesp): Likewise.
5987 (integer_pow2p): Likewise.
5988 (integer_nonzerop): Likewise.
5989 (real_zerop): Likewise.
5990 (real_onep): Likewise.
5991 (real_twop): Likewise.
5992 (real_minus_onep): Likewise.
5993 (int_size_in_bytes): Likewise.
5994 (host_integerp): Likewise.
5996 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
5998 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
5999 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6000 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6002 * tree-ssa-structalias.h (alias_info): Remove num_references.
6004 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6006 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6007 (output_bvb patterns): Likewise.
6008 * pa.c (output_bb): Use 'bb' insn for long branch case.
6009 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6010 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6011 1. Correct length operand for alternatives 1 and 2.
6012 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6013 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6015 2006-04-14 Roger Sayle <roger@eyesopen.com>
6017 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6018 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6019 were accidentally reverted by r112959.
6021 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6024 * except.h (eh_region_outermost): New prototype.
6025 * except.c (eh_region_outermost): New function.
6026 * tree-cfg.c (find_outermost_region_in_block): Use it.
6028 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6030 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6032 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6033 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6034 (init_reload, reload): Use VEC instead of VARRAY.
6035 * reload.h: Update the prototype for
6036 reg_equiv_memory_loc_varray.
6038 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6039 Eric Botcazou <ebotcazou@libertysurf.fr>
6041 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6044 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6047 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6048 to expand fallback builtin function call.
6050 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6053 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6054 and emit libcall here in case the builtin fails.
6055 (expand_builtin_strcmp): Always emit the libcall here on failure.
6057 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6059 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6060 * flow.c (reg_n_info): Change the type to
6061 VEC(reg_info_p,heap) *.
6062 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6064 * regs.h (reg_info_p): New.
6065 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6066 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6067 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6070 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6072 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6074 * params.h (MAX_SCHED_READY_INSNS): New macro.
6075 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6076 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6077 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6078 the ready list for 1 cycle during the first scheduling pass.
6079 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6081 2006-04-13 Richard Henderson <rth@redhat.com>
6084 * gimple-low.c (lower_omp_directive): Remove dead code.
6085 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6086 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6087 * omp-low.c (struct omp_region): Move to tree-flow.h.
6088 (root_omp_region): Export.
6089 (omp_regions, lookup_omp_region): Remove.
6090 (determine_parallel_type): Update for struct omp_region changes.
6091 (dump_omp_region): Dump regions with block numbers.
6092 (new_omp_region): Take type and block instead of stmt; malloc
6094 (free_omp_region_1, free_omp_regions): New.
6095 (expand_parallel_call): Take entry_stmt as argument; update for
6096 changes to omp_region.
6097 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6098 (remove_exit_barriers): New.
6099 (expand_omp_parallel): Update for struct omp_region changes.
6100 (expand_omp_synch): Likewise.
6101 (expand_omp): Likewise.
6102 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6103 (expand_omp_for_static_chunk): Likewise.
6104 (expand_omp_for): Likewise.
6105 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6106 (expand_omp_sections): Similarly, with GOMP_sections_end.
6107 (expand_omp_single): New.
6108 (build_omp_regions_1): Update for OMP_CONTINUE.
6109 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6110 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6111 OMP_SECTIONS_SECTIONS.
6112 (lower_omp_single_simple): Don't emit barrier here.
6113 (lower_omp_single_copy): Likewise.
6114 (lower_omp_single): Fix bindings, and lower to straightline now.
6115 (lower_omp_master, lower_omp_ordered): Likewise.
6116 (lower_omp_critical): Likewise.
6117 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6118 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6119 omp edges, free it afterward.
6120 (make_omp_sections_edges): Remove.
6121 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6122 (move_stmt_r): Handle OMP_CONTINUE.
6123 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6124 statement pointers to basic blocks. Add type member.
6125 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6126 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6127 * tree-inline.c (estimate_num_insns_1): Likewise.
6128 * tree-pretty-print.c (dump_generic_node): Likewise.
6129 * tree-ssa-operands.c (get_expr_operands): Likewise.
6130 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6131 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6132 (OMP_CONTINUE): New.
6133 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6134 (OMP_SECTIONS_SECTIONS): Remove.
6135 (OMP_SECTION_LAST): New.
6136 (OMP_RETURN_NOWAIT): New.
6138 2006-04-13 Roger Sayle <roger@eyesopen.com>
6140 * fold-const.c (native_encode_vector, native_interpret_real):
6141 Correct obvious mistakes in the previous check-in.
6143 2006-04-13 Roger Sayle <roger@eyesopen.com>
6145 * fold-const.c (native_encode_expr): New function to encode
6146 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6147 or VECTOR_CST into a specified buffer.
6148 (native_encode_int): New function.
6149 (native_encode_real): New function.
6150 (native_encode_complex): New function.
6151 (native_encode_vector): New function.
6152 (native_interpret_expr): Inverse of native_encode_expr to convert
6153 a target representation into an INTEGER_CST, REAL_CST etc...
6154 (native_interpret_int): New function.
6155 (native_interpret_real): New function.
6156 (native_interpret_complex): New function.
6157 (native_interpret_vector): New function.
6158 (fold_view_convert_expr): New function to constant fold/evaluate
6159 a VIEW_CONVERT_EXPR of a suitable constant expression.
6160 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6161 Change call of build1 to fold_build1 when constructing a
6164 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6165 Ulrich Weigand <uweigand@de.ibm.com>
6168 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6171 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6174 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6175 optimize to lo_sum for DFmode if !TARGET_FPRS.
6177 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6179 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6180 delete_alias_info, compute_flow_sensitive_aliasing,
6181 group_aliases): Use VEC instead of VARRAY.
6182 * tree-ssa-structalias.c (update_alias_info): Likewise.
6183 * tree-ssa-structalias.h (alias_info): Change the type of
6184 processed_ptrs to VEC(tree,heap) *.
6186 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6189 * config/sh/lib1funcs.h: New file, broken out of:
6190 * config/sh/lib1funcs.asm.
6191 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6193 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6194 * config/sh/lib1funcs-Os-4-200.asm: New file.
6195 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6196 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6197 (EXTRA_MULTILIB_PARTS): Include it.
6198 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6199 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6200 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6201 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6204 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6206 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6207 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6208 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6210 * tree-ssa-live.h: Include vecprim.h.
6211 (tree_partition_associator_d): Change the type of
6212 first_partition to VEC(int,heap) *.
6213 (tpa_first_partition): Use VEC instead of VARRAY.
6215 * Makefile.in (GTFILES): Move functions.h after tree.h.
6216 * function.c (reset_block_changes, record_block_change,
6217 check_block_change, free_block_changes): Use VEC instead of
6219 * function.h (function): Change the type of
6220 ib_boundaries_block to VEC(tree,gc) *.
6221 * tree-inline.c (copy_cfg_body): Initialize
6222 ib_boundaries_block to NULL instead of (varray_type) 0.
6224 2006-04-12 Roger Sayle <roger@eyesopen.com>
6226 * expr.c (emit_group_store): Correct operand order in call to
6227 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6228 a SUBREG_BYTE of zero.
6230 2006-04-12 Richard Guenther <rguenther@suse.de>
6232 * profile.c (compute_branch_probabilities): Remove code
6233 encapsulated in !ir_type (), which are remanents of the
6234 removed RTL profiling code.
6235 * rtl-profile.c: Remove.
6237 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6239 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6240 magic NULL_RTX comment.
6241 (function_arg): Store entire fp arg to mem if any part should go
6243 (rs6000_arg_partial_bytes): Adjust for above change.
6245 2006-04-11 Roger Sayle <roger@eyesopen.com>
6247 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6248 if it hasn't been initialized by dwarf2out_init.
6250 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6252 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6253 symbolic constants in branch patterns.
6255 2006-04-11 Roger Sayle <roger@eyesopen.com>
6257 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6259 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6261 PR rtl-optimization/27073
6262 * gcse.c (try_replace_reg): Revert last change. Continue to search
6263 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6266 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6268 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6269 aggregate types other than record and union types.
6270 (function_arg): Likewise.
6271 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6273 (function_value): In 64-bit mode, return objects that require it
6276 2006-04-11 Roger Sayle <roger@eyesopen.com>
6278 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6280 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6282 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6284 2006-04-03 Jeff Law <law@redhat.com>
6287 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6288 alias information too.
6290 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6292 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6294 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6297 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6298 (premark_used_types_helper): New.
6299 (premark_used_types): New.
6300 (gen_subprogram_die): Call premark_used_types.
6301 (prune_unused_types_walk): Do not prune perennial dies.
6302 * function.c (used_types_insert): New.
6303 * function.h (struct function): Add used_types_hash field.
6304 (used_types_insert): Add prototype.
6305 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6306 * c-parser.c (c_parser_cast_expression): Save casted types in used
6309 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6312 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6313 rs6000_explicit_options.float_gprs.
6315 2006-04-10 Roger Sayle <roger@eyesopen.com>
6317 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6318 from ix86_expand_vector_init_low_nonzero. Take an additional
6319 one_var argument indicating which element is non-zero. Support
6320 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6321 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6322 with one_var instead of ix86_expand_vector_init_low_nonzero.
6324 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6326 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6327 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6328 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6329 build/genextract.o): Depend on vecprim.h.
6330 * cfglayout.c, df-problems.c, function.c, genextract.c,
6331 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6332 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6336 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6338 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6339 Declare VECs of this type.
6340 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6341 (remove_children): Delete.
6342 (add_dwarf_attr): Use VEC routines.
6343 (add_AT_flag): Update for changes to add_dwarf_attr.
6344 (add_AT_int): Likewise.
6345 (add_AT_unsigned): Likewise.
6346 (add_AT_long_long): Likewise.
6347 (add_AT_vec): Likewise.
6348 (add_AT_string): Likewise.
6349 (add_AT_die_ref): Likewise.
6350 (add_AT_fde_ref): Likewise.
6351 (add_AT_loc): Likewise.
6352 (add_AT_loc_list): Likewise.
6353 (add_AT_addr): Likewise.
6354 (add_AT_lbl_id): Likewise.
6355 (add_AT_lineptr): Likewise.
6356 (add_AT_macptr): Likewise.
6357 (add_AT_offset): Likewise.
6358 (add_AT_range_list): Likewise.
6359 (get_AT): Use VEC_iterate.
6360 (remove_AT): Use VEC_ordered_remove.
6361 (free_die): Fold remove_children into here; have it use VEC_iterate.
6362 (print_die): Use VEC_iterate on attrs.
6363 (reverse_die_lists): Don't reverse attr lists.
6364 (die_checksum): Use VEC_iterate on attrs.
6365 (same_die_p): Likewise.
6366 (output_location_lists): Likewise.
6367 (build_abbrev_table): Likewise.
6368 (size_of_die): Likewise.
6369 (unmark_all_dies): Likewise.
6370 (output_abbrev_section): Likewise.
6371 (output_die): Likewise.
6372 (prune_unused_types_walk_attribs): Likewise.
6374 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6376 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6378 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6381 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6383 2006-04-09 Roger Sayle <roger@eyesopen.com>
6385 * expr.c (store_constructor): Don't bother clearing target if
6386 we're about to assign a vector to it using vec_init_optab.
6388 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6390 * tree-ssa-alias.c (lhs_may_store_to): New function.
6391 (recalculate_used_alone): Handle LHS of calls.
6393 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6397 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6398 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6399 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6400 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6401 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6402 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6403 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6404 stubs. Add ".align 8" directives before all ".dword" directives.
6405 (GTHREAD_USE_WEAK): Revise comment.
6406 (TARGET_ATTRIBUTE_WEAK): Define.
6407 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6408 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6409 * stublib.c: New file.
6414 * pa.md (cbranch patterns): Revise arguments used in calls to
6415 output_cbranch, output_bb and output_bvd. Add long branch length
6417 (fbranch patterns): Handle long branches.
6418 (jump): Revise length check. Revise arguments for output_lbranch call.
6419 Add long branch length attributes.
6420 (decrement_and_branch_until_zero): Add long branch length attributes.
6421 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6422 Likewise. Revise arguments for output_parallel_addb and
6423 output_parallel_movb calls.
6424 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6425 output_parallel_movb and output_parallel_addb): Update prototypes.
6426 * pa.c (output_cbranch): Revise arguments. Correct handling of
6427 nullification in long branches.
6428 (output_lbranch): Add new argument to control extraction of delay
6430 (output_bb): Handle long branches.
6431 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6432 output_parallel_addb): Likewise.
6434 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6436 PR rtl-optimization/27073
6437 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6440 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6442 * tree.h (tree_memory_tag): Add old_used_alone.
6443 (SMT_OLD_USED_ALONE): New macro.
6444 * tree-ssa-alias.c (recalculate_used_alone): Stop
6445 marking things for renaming unnecessarily.
6447 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6449 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6450 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6451 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6452 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6453 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6454 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6455 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6456 spelling convensions.
6457 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6458 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6459 typos. Follow spelling conventions.
6461 2006-04-07 DJ Delorie <dj@redhat.com>
6463 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6464 passed on the stack.
6465 (m32c_init_cumulative_args): When a function returns a structure,
6466 always pass the pointer to that return area on the stack.
6467 (m32c_function_arg_advance): Don't increment the parameter number
6468 if we're processing the returned structure pointer.
6469 (pushm_info): Reverse order of registers.
6471 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6473 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6474 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6475 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6476 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6478 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6479 chrec_fold_multiply): Same.
6480 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6481 force_expr_to_var_cost): Same.
6482 * tree-mudflap.c (mf_xform_derefs_1): Same.
6483 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6485 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6487 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6488 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6491 2006-04-07 Jan Hubicka <jh@suse.cz>
6493 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6495 2006-04-07 Richard Guenther <rguenther@suse.de>
6497 PR tree-optimization/26135
6498 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6499 loads for store copy-prop.
6500 (copy_prop_visit_stmt): Likewise.
6502 2006-04-05 Robert Millan <robertmh@gnu.org>
6504 * config/i386/linux.h: Add a comment to mark macros that are
6505 being overriden in config/k*bsd-gnu.h.
6506 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6508 * config/knetbsd-gnu.h: Ditto.
6510 2006-04-06 Jan Hubicka <jh@suse.cz>
6514 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6517 2006-04-06 Mike Stump <mrs@apple.com>
6519 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6520 for HAVE_nonlocal_goto to be consistent.
6521 (expand_builtin_nonlocal_goto): Likewise.
6522 (expand_builtin_strcmp): Use #ifdef instead of #if
6523 for HAVE_cmpstrnsi to be consistent.
6525 2006-04-05 DJ Delorie <dj@redhat.com>
6527 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6530 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6532 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6533 got-relative addressing for anything but SImode.
6535 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6536 even if the calling function doesn't modify them.
6538 2006-04-05 Richard Guenther <rguenther@suse.de>
6540 PR tree-optimization/26919
6541 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6542 to cgraph_estimate_size_after_inlining.
6544 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6546 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6548 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6550 PR tree-optimization/26996
6551 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6552 VECTOR_TYPE variables.
6554 2006-04-05 Richard Guenther <rguenther@suse.de>
6556 PR tree-optimization/26763
6557 * fold-const.c (fold_comparison): Move folding of
6558 PTR + CST CMP PTR + CST ...
6559 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6561 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6563 * doc/install.texi (Prerequisites): Refine some wording on
6564 bootstrapping and ksh.
6565 Move the version numbers of DejaGnu here from the testing section
6566 and fix casing of names.
6567 Fix markup and clarify wording for autogen requirements.
6568 Refer to GCJ instead of just java.
6569 Refer to SVN instead of CVS.
6570 Describe diffutils as useful instead of necessary.
6571 (Downloading the source): Refer to SVN instead of CVS.
6572 Adjust a link to our web site accordingly.
6573 (Configuration): Fix casing of Bison.
6574 (Building): Refer to SVN instead of CVS.
6575 Fix a sentence on the use of Bison and remove duplicate (and
6576 incorrect) version number of Bison requirement.
6577 Remove one redundant list of packages needed for building.
6578 (Specific): Avoid reference to CVS.
6580 2006-04-04 Eric Christopher <echristo@apple.com>
6582 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6583 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6584 (rs6000_handle_struct_attribute): New.
6585 (rs6000_ms_bitfield_layout_p): Ditto.
6587 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6589 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6590 NULL for dso parameter to atexit_common.
6592 2006-04-04 Eric Christopher <echristo@apple.com>
6594 * config/i386/i386.c (machopic_output_stub): Output \t
6595 between instructions and operands.
6597 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6599 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6600 satisfies_constraint_[IL] to explicit tests on value.
6602 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6604 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6605 set_nb_iterations_in_loop): Use build_int_cst instead of
6607 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6608 build_int_cst instead of convert.
6610 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6612 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6613 new value 2 for incoming.
6614 * function.c (expand_function_start): Call struct_value_rtx
6616 * config/sparc/sparc.md: Comment updated_return.
6617 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6618 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6619 struct return if sparc_std_struct_return and incoming is 2.
6620 (print_operand): Do not adjust return if
6621 sparc_std_struct_return.
6623 2006-04-04 Roger Sayle <roger@eyesopen.com>
6625 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6626 convert in the middle-end.
6627 * expr.c (store_expr, store_constructor, get_inner_reference,
6628 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6630 * tree.c (build_range_type): Likewise.
6632 2006-04-04 Tom Tromey <tromey@redhat.com>
6634 * doc/install.texi (Prerequisites): Mention jar.
6636 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6638 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6641 2006-04-04 Matthias Klose <doko@debian.org>
6643 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6647 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6650 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6652 * doc/extend.texi (Function Attributes): Rewrite visibility
6653 attribute documentation.
6654 * doc/invoke.texi (C++ Dialect Options): Rewrite
6655 -fvisibility-inlines-hidden documentation to describe something
6656 entirely different, although in practise compatible.
6657 (Code Gen Options): Warn about system headers in -fvisibility=
6660 * doc/extend.texi (Other Builtins): Document that
6661 __builtin_nan is a compile-time constant only when its argument
6664 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6666 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6667 trying to remove TRUNCATE check if all bits outside the new mode
6668 are identical to the sign bit.
6670 2006-04-03 Jeff Law <law@redhat.com>
6672 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6673 and operand scanning in some common cases.
6675 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6676 Dale Johannesen <dalej@apple.com>
6679 * regclass.c (struct reg_pref): Update documentation.
6680 (regclass): Set prefclass to NO_REGS if memory is the best option.
6681 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6682 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6683 into account. For non-registers, equate an empty preferred
6684 reload class to a `!' in the constraint; move the if clause to
6685 do so after those that reject the insn.
6686 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6688 (find_dummy_reload): Likewise.
6689 * doc/tm.texi (Register Classes): Document what it means
6690 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6691 * config/i386/i386.c (ix86_preferred_reload_class): Force
6692 using SSE registers (and return NO_REGS for floating-point
6693 constants) if math is done with SSE.
6694 (ix86_preferred_output_reload_class): New.
6695 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6696 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6697 * config/i386/i386.md: Remove # register preferences.
6699 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6702 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6703 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6704 the type of nb_iter.
6705 (instantiate_parameters_1): Convert the operands before calling
6706 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6707 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6709 2006-04-02 Roger Sayle <roger@eyesopen.com>
6711 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6712 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6714 * dojump.c (do_jump): Likewise.
6715 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6716 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6717 gimplify_boolean_expr): Likewise.
6718 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6719 * varasm.c (array_size_for_constructor): Likewise.
6720 * tree-object-size.c (compute_object_offset): Likewise.
6722 2006-04-02 Roger Sayle <roger@eyesopen.com>
6725 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6726 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6728 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6730 PR tree-optimization/26939
6731 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6733 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6735 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6736 at_stmt. Convert the type of operands before calling
6737 build_polynomial_chrec.
6738 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6740 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6741 (instantiate_parameters_1): Convert the type of operands before calling
6742 build_polynomial_chrec.
6743 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6744 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6745 reset_evolution_in_loop): Insert asserts to check the types of the
6747 (chrec_type): Moved...
6748 (eq_evolutions_p): Use operand_equal_p.
6749 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6750 the types of the operands.
6751 (chrec_type): ...here.
6752 * tree-data-ref.c (create_data_ref): Convert the operands before
6753 calling chrec_replace_initial_condition.
6754 (same_access_functions, analyze_subscript_affine_affine,
6755 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6756 (compute_subscript_distance, analyze_ziv_subscript,
6757 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6758 analyze_miv_subscript): Convert the operands before calling
6759 chrec_fold_minus or chrec_fold_plus.
6761 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6763 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6764 the dependence_relations vector.
6765 (compute_data_dependences_for_loop): Adjust call to
6766 compute_all_dependences.
6768 2006-04-01 Roger Sayle <roger@eyesopen.com>
6769 Richard Henderson <rth@redhat.com>
6771 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6772 gimple_boolify on the condition before calling gimplify_expr.
6774 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6776 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6777 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6778 the frame size. Update to use the new macros.
6779 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6780 * config/xtensa/ieee754-df.S: Likewise.
6782 2006-03-31 Richard Henderson <rth@redhat.com>
6784 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6785 (make_edges): ... here. Control fallthru creation with a local
6786 variable. Do not play with fake edges.
6787 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6788 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6791 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6793 * dwarf2.h (DW64_CIE_ID): Define.
6794 * dwarf2out.c (DWARF_CIE_ID): Define.
6795 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6796 length header. Use DWARF_CIE_ID.
6797 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6798 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6800 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6802 * config/sh/linux-atomic.asm: New file.
6803 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6805 2006-03-31 DJ Delorie <dj@redhat.com>
6807 * config/m32c/cond.md: Set condition flags properly throughout.
6808 * config/m32c/minmax.md: Likewise.
6809 * config/m32c/prologue.md: Likewise.
6810 * config/m32c/bitops.md: Likewise.
6811 * config/m32c/muldiv.md: Likewise.
6812 * config/m32c/mov.md: Likewise.
6813 * config/m32c/addsub.md: Likewise.
6814 * config/m32c/m32c.md: Likewise.
6815 * config/m32c/jump.md: Likewise.
6816 * config/m32c/shift.md: Likewise.
6818 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6819 conditionally output the pattern for this.
6820 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6821 (m32c_compare_redundant): New.
6822 (m32c_output_compare): New.
6823 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6825 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6826 dest, not src. Allow other 4-byte modes.
6828 2006-03-30 Denis Chertykov <denisc@overta.ru>
6830 * doc/md.texi: Refer to avr/constraints.md instead of
6833 2006-03-30 Roger Sayle <roger@eyesopen.com>
6835 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6836 signed vs. unsigned comparison failures on some hosts.
6838 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6841 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6842 change to FLOAT_REGS.
6844 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6845 (rs6000_override_options): Use it.
6846 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6847 only for -mabi=spe/no-spe and -mabi=altivec.
6849 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6851 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6854 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6856 * Makefile.in: Rename docdir to gcc_docdir.
6858 2006-03-30 Roger Sayle <roger@eyesopen.com>
6861 * expr.c (emit_group_store): Optimize group stores into a pseudo
6862 register by using a paradoxical subreg to initialize the destination
6863 if the first or last member of the group specifies a "low part".
6865 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6868 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6869 * target.h (struct gcc_target.speculate_insn): Change type of the
6870 second parameter to 'int'.
6871 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6872 the second operand of the DEPS_LIST.
6873 (copy_DEPS_LIST_list): Update reference to the second operand of the
6875 * rtl.h (alloc_DEPS_LIST): Update signature.
6876 * sched-int.h (ds_t): Change typedef to 'int'.
6877 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6879 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6881 * haifa-sched.c (try_ready): Change condition to restore
6882 non-speculative pattern of the instruction.
6883 (process_insn_depend_be_in_spec): Code to keep probability of the
6884 speculative dependence non-decreasing.
6886 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6888 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6889 (single_move_for_movmem): ... this. Also change all uses.
6890 (bfin_expand_strmov): Renamed to...
6891 (bfin_expand_movmem): ... this. Also change all uses.
6892 * config/bfin/bfin.md (movstrsi): Renamed to...
6893 (movstrsi): ...this.
6895 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6897 PR tree-optimization/26830
6899 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6900 (copy_prop_visit_stmt): Remove write-only variable ann.
6901 (init_copy_prop): Check variable loop depth here. Do not simulate
6902 memory-tag and virtual operand PHIs except for store copy prop.
6904 2006-03-30 Richard Guenther <rguenther@suse.de>
6906 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6907 variants with double arguments.
6909 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6911 * genpreds.c (write_tm_constrs_h): Delete variable p.
6912 * genconditions.c (write_header): Add tm-constrs.h to included
6914 * genpeep.c (main): Add toplev.h to included headers.
6915 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6916 (build/genpeep.o): Add toplev.h dependency.
6917 * config/rs6000/constraints.md: Add "W" constraint.
6919 2006-03-29 Roger Sayle <roger@eyesopen.com>
6921 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6922 sizes by correctly testing whether the size fits a host integer.
6923 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6924 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6925 SImode range for the default sizetype and bitsizetype.
6927 2006-03-29 Roger Sayle <roger@eyesopen.com>
6929 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6930 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6931 quickly if the argument is already of the correct type.
6932 Call fold_build1 instead of build1. Tidy up blank lines.
6934 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6936 * genemit.c (main): Add tm-constrs.h to included headers.
6937 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6938 * genpeep.c (main): Add tm-constrs.h to included headers.
6939 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6940 (write_tm_constrs_h): this and write complete file.
6941 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6942 (write_insn_preds_c): Add tm-constrs.h to included headers.
6943 (gen_constrs): New variable.
6944 (parse_option): Parse "-c".
6945 (main): Invoke write_tm_constrs_h.
6946 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6947 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6948 (object_out_file): Add tm-constrs.h dependency.
6949 (insn-emit.o): Same.
6950 (insn-output.o): Same.
6951 (insn-peep.o): Same.
6952 (insn-preds.o): Same.
6953 (insn-recog.o): Same.
6954 (tm-constsr.h): New target.
6955 (s-constrs-h): New target.
6957 * config/rs6000/constraints.md: New file.
6958 * config/rs6000/rs6000.c: Include tm-constrs.h.
6959 (num_insn_constant_wide): Convert to satisfies_constraint.
6960 (rs6000_rtx_costs): Convert to satisfies_constraint.
6961 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
6962 (CONST_OK_FOR_LETTER_P): Delete.
6963 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
6964 (EXTRA_CONSTRAINT): Delete.
6965 (EXTRA_MEMORY_CONSTRAINT): Delete.
6966 (EXTRA_ADDRESS_CONSTRAINT): Delete.
6967 * config/rs6000/predicates.md: Convert to satisfies_constraint.
6968 * config/rs6000/rs6000.md: Include constraints.md. Convert to
6969 satisfies_constraint.
6971 * config/i386/i386.c: Include tm-constrs.h.
6973 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6975 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
6976 * tree-data-ref.c (find_data_references_in_loop,
6977 compute_data_dependences_for_loop): Use pointers to VEC.
6978 (analyze_all_data_dependences): Adjust calls.
6979 * tree-data-ref.h (find_data_references_in_loop,
6980 compute_data_dependences_for_loop): Adjust declarations.
6981 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
6982 compute_data_dependences_for_loop.
6984 2006-03-29 Paul Brook <paul@codesourcery.com>
6986 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
6989 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
6991 PR tree-optimization/26859
6992 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
6994 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
6995 for the step after fold_convert.
6997 2006-03-29 Paul Brook <paul@codesourcery.com>
6999 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7000 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7002 2006-03-29 Paul Brook <paul@codesourcery.com>
7005 * targhooks.c (default_narrow_bitfield): New fuction.
7006 * targhooks.h (default_narrow_bitfield): add prototype.
7007 * target.h (gcc_target): Add narrow_volatile_bitfield.
7008 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7009 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7010 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7011 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7013 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7015 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7017 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7018 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7019 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7020 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7021 (s390_function_arg_float): Allow SDmode and DDmode values to be
7022 passed in floating point registers.
7023 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7024 check with SCALAR_FLOAT_MODE_P.
7025 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7027 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7029 PR tree-optimization/25985
7030 * tree-ssa-loop-niter.c (number_of_iterations_le,
7031 number_of_iterations_ne): Make comments more precise.
7032 (number_of_iterations_cond): Add only_exit argument. Use the
7033 fact that signed variables do not overflow only when only_exit
7035 (loop_only_exit_p): New.
7036 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7037 number_of_iterations_cond.
7039 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7041 PR tree-optimization/26643
7042 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7045 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7047 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7048 (divsi3_i4_int): Likewise.
7050 2006-03-28 Roger Sayle <roger@eyesopen.com>
7052 * expr.c (emit_group_store): Only create a new pseudo reg if the
7053 quantity it needs to hold isn't already a suitable pseudo.
7055 2006-03-28 Jeff Law <law@redhat.com>
7057 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7058 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7060 2006-03-28 Roger Sayle <roger@eyesopen.com>
7062 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7063 the equivalent ~X & Y, and the symmetry related transformations.
7064 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7065 ~X & Y, and symmetry related transforms.
7067 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7069 Revert my 2006-03-27 patches.
7071 2006-03-28 Roger Sayle <roger@eyesopen.com>
7073 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7074 ~(T1)X, when T1 and T2 are integer types of the same precision
7075 and (T2)X isn't an extension.
7077 2006-03-28 Jeff Law <law@redhat.com>
7079 PR tree-optimization/26796
7080 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7081 need EH edge cleanups rather than purging them immediately.
7082 (eliminate_degenerate_phis): Handle queued EH cleanups.
7084 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7086 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7089 2006-03-27 Roger Sayle <roger@eyesopen.com>
7092 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7093 cast BIT_NOT_EXPR operand to the correct type.
7095 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7097 * tree-loop-linear.c: Don't include varray.h.
7098 (gather_interchange_stats, try_interchange_loops,
7099 linear_transform_loops): Use VEC instead of VARRAY.
7100 * lambda-mat.c: Don't include varray.h.
7101 * tree-chrec.c: Same.
7102 * lambda-trans.c: Same.
7103 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7104 VEC instead of VARRAY.
7105 * tree-vectorizer.h: Idem.
7106 * tree-data-ref.c (dump_data_references,
7107 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7108 initialize_data_dependence_relation, finalize_ddr_dependent,
7109 compute_all_dependences, find_data_references_in_loop,
7110 compute_data_dependences_for_loop, analyze_all_data_dependences,
7111 free_dependence_relation, free_dependence_relations,
7112 free_data_refs): Idem.
7113 * tree-data-ref.h (data_reference_p, subscript_p): New.
7114 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7115 VEC instead of VARRAY.
7116 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7117 (find_data_references_in_loop, compute_data_dependences_for_loop,
7118 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7119 dump_data_dependence_relations, free_dependence_relations,
7120 free_data_refs): Adjust declaration.
7121 (lambda_transform_legal_p): Move declaration here...
7122 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7123 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7124 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7125 vect_analyze_data_refs): Use VEC instead of VARRAY.
7126 * lambda.h (lambda_transform_legal_p): ...from here.
7127 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7128 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7129 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7130 tree-chrec.o): Don't depend on VARRAY_H.
7132 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7134 * rtl.def (Copyright): Update date.
7135 (DEPS_LIST): Change type of the second operand to 'int'.
7136 * target.h (Copyright): Update date.
7137 (struct gcc_target.speculate_insn): Change type of the second parameter
7139 * lists.c (Copyright): Update date.
7140 (alloc_DEPS_LIST): Change signature. Update reference to the second
7141 operand of the DEPS_LIST.
7142 (copy_DEPS_LIST_list): Update reference to the second operand of the
7144 * rtl.h (Copyright): Update date.
7145 (alloc_DEPS_LIST): Update signature.
7146 * sched-int.h (Copyright): Update date.
7147 (ds_t): Change typedef to 'int'.
7148 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7150 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7152 * haifa-sched.c (Copyright): Update date.
7153 (try_ready): Change condition to restore non-speculative pattern
7155 (process_insn_depend_be_in_spec): Code to keep probability of the
7156 speculative dependence non-decreasing.
7158 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7160 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7161 shut up the compiler.
7163 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7165 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7166 to use lib prefix for target.
7167 ($(T)libic_invalidate_array_4-200.a): Likewise.
7168 ($(T)libic_invalidate_array_4a.a): Likewise.
7170 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7171 J"orn Rennecke <joern.rennecke@st.com>
7173 * superh.opt: New file.
7174 * sh.c (boardtype, osruntime): Remove.
7175 * superh.h (SUBTARGET_OPTIONS): Remove.
7176 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7178 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7179 arguments with ^ and/or [].
7181 * config.gcc (sh-*-*): Add quoting to account for quirk of
7183 Replace == with = in enable_incomplete_targets test.
7185 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7186 with MASK_LITTLE_ENDIAN.
7188 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7189 * config/sh/sh.opt: Added to some comments.
7190 * config/sh/superh.h: Removed some chaff.
7192 * config/sh/sh.opt: Add m4-[1234]00* options.
7193 * config/sh/sh.c (sh_handle_option): Likewise.
7194 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7195 (ic_invalidate_array_4-100.o): New rule.
7196 ($(T)libic_invalidate_array_4-100.a): Likewise.
7197 (ic_invalidate_array_4-200.o): Likewise.
7198 ($(T)libic_invalidate_array_4-200.a): Likewise.
7199 (ic_invalidate_array_4a.o): Likewise.
7200 ($(T)libic_invalidate_array_4a.a): Likewise.
7201 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7202 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7204 * config/sh/crt1.asm: Merged in profiling code.
7205 * config/sh/superh.h (STARTFILE_SPEC): Override.
7206 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7207 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7208 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7210 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7211 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7212 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7214 * sh.opt (mpretend-cmove): New option.
7215 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7216 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7217 (movsicc): Add TARGET_PRETEND_CMOVE code.
7219 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7221 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7222 s390_class_max_nregs): New function prototypes.
7223 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7224 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7225 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7226 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7228 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7230 * dwarf2out.c (add_location_or_const_value_attribute): Call
7231 tree_add_const_value_attribute if nothing else works.
7232 (reference_to_unused): New.
7233 (rtl_for_decl_init): Use reference_to_unused to decide whether
7234 to output an initializer.
7236 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7239 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7240 peephole removing spe frob_di_df_2.
7242 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7244 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7245 (subscript_dependence_tester_1): Declared.
7246 (print_dir_vectors, print_dist_vectors): New.
7247 (debug_data_dependence_relation): New.
7248 (dump_data_dependence_relation): Print more details.
7249 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7250 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7251 (save_dist_v, save_dir_v, add_outer_distances,
7252 build_classic_dist_vector_1): New.
7253 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7254 Don't test for lambda_vector_lexico_pos.
7255 (same_access_functions, add_multivariate_self_dist,
7256 add_other_self_distances, dir_from_dist): New.
7257 (build_classic_dir_vector): Replace implementation almost identical to
7258 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7260 (subscript_dependence_tester_1): New.
7261 (subscript_dependence_tester): Handle the lexicographically negative
7262 distance vectors by recomputing the dependence relation.
7263 (compute_affine_dependence): Remove parameter loop_nest_depth.
7264 (compute_self_dependence): Don't call compute_subscript_distance.
7265 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7266 Add a parameter for the loop_nest.
7267 (find_loop_nest_1, find_loop_nest): New.
7268 (compute_data_dependences_for_loop): Compute the loop nest, and give
7269 up if the nest is not well formed.
7270 * tree-data-ref.h (loop_p): New.
7271 (struct data_dependence_relation): Replace size_vect field with
7272 loop_nest, a vec of loops.
7273 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7274 (DDR_LOOP_NEST): New.
7275 (print_dir_vectors, print_dist_vectors,
7276 debug_data_dependence_relation): Declared.
7277 (index_in_loop_nest): New.
7278 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7279 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7282 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7284 * simplify-rtx.c (simplify_relational_operation): Call
7285 simplify_relational_operation_1 even if mode is VOIDmode.
7287 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7289 PR tree-optimization/26804
7290 * tree.h (DECL_CALL_CLOBBERED): New macro.
7291 (tree_decl_common): Add call_clobbered_flag.
7292 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7293 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7294 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7295 (mark_non_addressable): Ditto.
7296 * tree-ssa.c (verify_call_clobbered): New function.
7297 (verify_alias_info): Use it.
7298 * tree-pass.h (pass_reset_cc_flags): New prototype.
7299 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7300 (reset_cc_flags): New function.
7301 * passes.c (init_optimization_passes): Call reset_cc_flags after
7302 initializing referenced_vars.
7304 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7305 Roger Sayle <roger@eyesopen.com>
7308 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7309 to 1.0 for non-real operands. Implement A / A optimization for
7312 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7314 * config/i386/i386.c (size_cost): Correct the comment for
7315 cost of storing fp registers.
7316 (i386_cost): Likewise.
7317 (i486_cost): Likewise.
7318 (pentium_cost): Likewise.
7319 (pentiumpro_cost): Likewise.
7320 (k6_cost): Likewise.
7321 (athlon_cost): Likewise.
7322 (k8_cost): Likewise.
7323 (pentium4_cost): Likewise.
7324 (nocona_cost): Likewise.
7325 (generic64_cost): Likewise.
7326 (generic32_cost): Likewise.
7328 2006-03-24 Denis Chertykov <denisc@overta.ru>
7330 * config/avr/avr-protos.h (extra_constraint): Delete.
7331 (extra_constraint_Q): New declaration.
7332 * config/avr/constraints.md: New file.
7333 * config/avr/avr.md: Include it.
7334 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7335 (TMP_REGNO, ZERO_REGNO): Likewise.
7336 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7337 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7338 (extra_constraint): Delete.
7339 (extra_constraint_Q): Test for memory constraint 'Q'.
7340 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7341 (REG_CLASS_FROM_LETTER): Delete.
7342 (CONST_OK_FOR_LETTER_P): Delete.
7343 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7344 (EXTRA_CONSTRAINT): Delete.
7345 (TMP_REGNO): Delete.
7346 (ZERO_REGNO): Delete.
7348 2006-03-24 Jeff Law <law@redhat.com>
7350 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7351 directly. Call mark_new_vars_to_rename slightly earlier.
7353 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7355 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7357 (gen_compile_unit_die): Use new language types for Objective-C and
7359 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7360 DW_LANG_C_plus_plus.
7363 * config/t-darwin (crt3.o): Work around bug 26840.
7364 * config/darwin-crt3.c: Rewrite.
7365 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7367 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7369 * doc/invoke.texi: Document -femit-class-debug-always
7370 * common.opt: Add -femit-class-debug-always.
7372 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7374 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7375 index and base register.
7376 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7377 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7378 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7379 REGNO_OK_FOR_INDEX_P.
7380 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7382 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7383 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7384 REG_OK_FOR_BASE_P): Definitions removed.
7386 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7389 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7390 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7391 set yet or weren't marked as local yet.
7393 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7395 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7398 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7400 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7401 (rs6000_legitimate_small_data_p): Delete.
7402 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7403 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7404 and make static. Add forward declaration. Update uses.
7405 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7406 of offsettable_memref_p.
7407 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7408 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7410 2006-03-24 Jeff Law <law@redhat.com>
7412 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7413 around bug in immediate-use iterator.
7415 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7418 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7419 or __LITTLE_ENDIAN__.
7421 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7423 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7424 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7425 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7426 * config/sh/sh.opt (mdiv=): Amend description.
7427 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7428 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7429 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7430 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7431 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7432 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7433 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7434 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7435 TARGET_DIVIDE_CALL_FP.
7437 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7439 * haifa-sched.c (choose_ready): Fix type of the local variable.
7440 Move local variables. Add comment.
7441 (check_reg_live): Change signature. Make callable from debugger.
7442 * sched-int.h (check_reg_live): Update signature.
7443 * sched-ebb.c (check_reg_live): Update parameters.
7444 * sched-rgn.c (check_reg_live): Ditto.
7445 (region_head_or_leaf_p): Check pointer before dereferencing.
7446 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7447 before reload on optimization levels below 1.
7449 2006-03-23 Richard Henderson <rth@redhat.com>
7451 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7455 * config/alpha/predicates.md (local_symbolic_operand): Reject
7458 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7461 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7462 expressions which have overflowed constants.
7464 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7466 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7468 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7470 * cfgloopmanip.c (create_loop_notes): Removed.
7471 * final.c (final_scan_insn): Do not handle loop notes.
7472 * jump.c (squeeze_notes): Ditto.
7473 * cfglayout.c (skip_insns_after_block,
7474 duplicate_insn_chain): Ditto.
7475 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7477 * cfgloop.h (create_loop_notes): Declaration removed.
7479 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7481 * varasm.c (output_constant_pool): Restore fnname and fndecl
7483 (assemble_start_function): Adjust call accordingly.
7484 (assemble_end_function): Likewise.
7486 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7489 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7492 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7494 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7497 * system.h (ICE_EXIT_CODE): New macro.
7498 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7499 (diagnostic_action_after_output): Likewise.
7500 * gcc.c (fatal_ice): New function.
7501 (execute): Use it instead of fatal.
7502 (fancy_abort): Likewise.
7503 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7505 2006-03-22 Jeff Law <law@redhat.com>
7507 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7508 iv_analyze_result returning false.
7510 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7512 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7514 2006-03-22 Richard Henderson <rth@redhat.com>
7517 * except.c (duplicate_eh_regions_0): New.
7518 (duplicate_eh_region_1): Duplicate the children of the node as
7519 well as the node itself. Link them up properly.
7520 (duplicate_eh_region_2): Merge into ...
7521 (duplicate_eh_regions): ... here. Take copy_region argument, and
7522 copy only a sub-tree if asked. Simplify copying and fixup.
7523 (eh_region_outer_p): New.
7524 * except.h (duplicate_eh_regions): Update decl.
7525 (eh_region_outer_p): Declare.
7526 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7527 (lower_omp_master): Likewise.
7528 (lower_omp_ordered): Likewise.
7529 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7530 (move_stmt_r): Use it to remap labels. Handle recursion vs
7531 remap_decls_p properly.
7532 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7533 (find_outermost_region_in_block): New.
7534 (new_label_mapper): New.
7535 (move_sese_region_to_fn): Copy eh information to the new function
7537 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7539 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7542 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7544 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7545 into shared libraries.
7547 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7549 * doc/md.texi: Refer to i386/constraints.md instead of
7551 * config/i386/constraints.md: New file, extracted from...
7552 * config/i386/predicates.md: ...here.
7553 * config/i386/i386.md: Include constraints.md.
7555 2006-03-21 Jason Merrill <jason@redhat.com>
7557 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7560 * expr.c (init_block_move_fn): Force default visibility.
7561 (init_block_clear_fn): Likewise.
7562 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7563 * targhooks.c (default_external_stack_protect_fail): Likewise.
7565 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7567 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7568 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7569 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7570 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7571 (loadgp): Use mips_current_loadgp_style.
7572 (loadgp_noshared): New pattern.
7573 (sibcall_internal): Use MIPS_CALL.
7574 (sibcall_value_internal): Likewise.
7575 (sibcall_value_multiple_internal): Likewise.
7576 (call_internal): Likewise.
7577 (call_value_internal): Likewise.
7578 (call_value_multiple_internal): Likewise.
7579 (call_split): Use MIPS_CALL and add an 'S' constraint.
7580 (call_value_split): Likewise.
7581 (call_value_multiple_split): Likewise.
7582 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7583 (-mshared): New option.
7584 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7585 (mips_current_loadgp_style): Declare.
7586 * config/mips/mips.c (mips_classify_symbol): Avoid using
7587 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7588 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7589 TARGET_ABSOLUTE_ABICALLS.
7590 (override_options): Adjust comments. Improve the warning that is
7591 issued when -mabicalls and -G are used together.
7592 (mips_file_start): Remove comment.
7593 (mips_current_loadgp_style): New function.
7594 (mips_gnu_local_gp): New variable.
7595 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7597 (mips_output_function_prologue): Use mips_current_laodgp_style.
7598 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7599 the cprestore instruction.
7600 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7601 live for TARGET_ABSOLUTE_ABICALLS.
7602 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7603 (ASM_SPEC): Pass down -mshared and -mno-shared.
7604 (MIPS_CALL): New macro.
7605 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7607 * doc/invoke.texi (-mabicalls): Update documentation.
7608 (-mshared): Document.
7610 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7612 * config/ia64/unwind-hpux.c: New file.
7613 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7615 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7618 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7620 2006-03-21 Jeff Law <law@redhat.com>
7622 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7623 type conversions of a VR_VARYING source to a wider type.
7625 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7627 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7628 tm_file on Solaris 10 and later.
7629 (sparc64-*-solaris2*): Likewise.
7630 (sparc-*-solaris2*): Likewise.
7631 * config/sol26.h: Rename to config/sol2-6.h.
7632 * config/sol2-10.h: New file.
7634 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7637 * tree-ssa-pre.c (create_component_ref_by_pieces):
7640 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7643 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7644 return it immediately.
7646 2006-03-21 Michael Matz <matz@suse.de>
7648 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7650 (remove_arc, add_arc): Update num_out_arcs member.
7651 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7653 (cache_presence): New function.
7654 (compare_states_for_equiv): New function.
7655 (state_is_differed): Don't take number of outargs, adjust callers.
7656 Use new invariant for speeding up.
7657 (init_equiv_class): Create initial classes based on sorted
7659 (partition_equiv_class): Don't track out_arcs_num.
7660 (evaluate_equiv_classes): Call cache_presence on all states and
7663 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7665 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7666 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7667 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7668 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7670 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7671 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7672 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7673 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7674 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7676 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7677 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7678 (REGNO_REG_CLASS): ARGP is in PREGS.
7679 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7681 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7682 to deal with those addresses.
7683 * addresses.h: New file.
7684 * caller-save.c: Include "addresses.h".
7685 (init_caller_save): Use new base_reg_class function.
7686 * rtl-factoring.c: Include "addresses.h".
7687 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7688 * recog.c: Include "addresses.h".
7689 (preprocess_constraints): Use new base_reg_class function.
7690 * regrename.c: Include "addresses.h".
7691 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7692 functions. Keep track of a new var INDEX_CODE to compute valid
7694 (replace_oldest_value_addr): Likewise.
7695 (replace_oldest_value_mem): Use base_reg_class.
7696 * reload.c: Include "addresses.h".
7697 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7698 (find_reloads): Use new base_reg_class function.
7699 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7700 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7701 all callers and prototype changed.
7702 * reload1.c: Include "addresses.h".
7703 (maybe_fix_stack_asms): Use base_reg_class.
7704 * regclass.c: Include "addresses.h".
7705 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7706 (init_reg_autoinc): Use new base_reg_class function.
7707 (record_reg_classes): Likewise.
7708 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7709 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7710 Use new args to compute necessary class.
7712 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7713 regrename.o, rtl-factoring.o): Update dependencies.
7714 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7715 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7716 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7717 REG_OK_FOR_INDEX_P): Delete documentation.
7719 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7721 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7722 from V7 to V9 for Solaris 7 and above.
7724 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7726 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7727 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7728 argument pointers may not alias any other storage.
7729 * common.opt: Define option -fargument-noalias-anything.
7730 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7731 alias semantics is specified by flag_argument_noalias > 2.
7733 2006-03-20 Jeff Law <law@redhat.com>
7735 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7736 (pass_phi_only_cprop): Declare.
7737 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7739 * tree-ssa-dom.c (degenerate_phi_result): New function.
7740 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7741 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7742 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7743 (eliminate_degenerate_phis): Likewise.
7744 (pass_phi_only_cprop): New pass descriptor.
7745 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7746 support code. Callers updated.
7747 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7748 (store_copy_prop): Likewise.
7749 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7751 2006-03-20 Jason Merrill <jason@redhat.com>
7754 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7755 (push_visibility, pop_visibility): Likewise.
7756 * c-pragma.h: Declare them.
7758 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7760 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7762 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7763 parameter and use get_ebb_head_tail.
7764 (sh_md_init_global): Adjust uses of find_regmode_weight.
7766 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7768 * function.h (struct function) <x_tail_recursion_reentry>:
7769 Rename to x_stack_check_probe_note.
7770 (tail_recursion_reentry): Rename to stack_check_probe_note.
7771 * function.c: Replace tail_recursion_reentry with
7772 stack_check_probe_note everywhere.
7773 (expand_function_start): Only emit a note for
7774 stack_check_probe_note with -fstack-protect.
7775 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7777 * emit-rtl.c (remove_unnecessary_notes): Remove.
7778 (pass_remove_unnecessary_notes): Remove.
7779 * rtl.h (remove_unnecessary_notes): Remove prototype.
7780 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7781 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7782 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7784 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7787 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7788 (valid_in_set): Handle ARRAY_REF.
7789 Change "if min_variant or VH" to asserts.
7790 (create_component_ref_by_pieces): Handle ARRAY_REF.
7791 (create_expression_by_pieces): Likewise.
7792 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7794 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7796 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7797 is operand of switch, not str[0].
7799 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7801 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7802 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7804 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7806 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7807 end of insn_extra_address_constraint declaration.
7809 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7811 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7812 (no-sum-in-toc): Same.
7813 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7815 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7816 NO_FP_IN_TOC for -fPIC instead of mask.
7818 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7819 (BOOT_LDFLAGS): Delete.
7821 * config/rs6000/t-aix52: Same.
7823 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7824 (stmsi[345678]_power): New.
7826 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7828 * config/ia64/ia64.opt: Add empty line to end of file.
7830 2006-03-17 Richard Guenther <rguenther@suse.de>
7833 * builtins.c (get_pointer_alignment): For component style references
7834 adjust alignment to the component type alignment. Make sure
7835 to adjust alignment for component access of constants.
7837 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7839 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7842 2006-03-17 Paul Brook <paul@codesourcery.com>
7844 * doc/install.texi: Docuemnt --with-mode.
7845 * config.gcc: Add --with-mode for arm*-*-*.
7846 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7848 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7850 * sh.c (max_labelno_before_reorg): New variable.
7851 (sh_reorg): Initialize it.
7852 (find_barrier): Check max_labelno_before_reorg before using
7853 label_to_alignment. Take length of explicit alignment insns
7854 into account. When seeing a UNSPECV_CONST_END, return it.
7856 * sh.c (fixup_mova): Set mode of affected label to QImode.
7857 (untangle_mova): New function.
7858 (find_barrier): Use it. Check mode of label before decrementing
7860 (sh_reorg): Likewise.
7861 Set mode of all insns back to VOIDmode.
7863 * sh.c (MOVA_LABELREF): New macro.
7864 (mova_p, fixup_mova, sh_reorg): Use it.
7865 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7866 ADDR_DIFF_VEC matches mova.
7868 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7870 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7871 with ATTRIBUTE_UNUSED.
7873 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7875 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7876 pointer, instead of assuming it is possible to derive the
7877 correct args size from a call insn.
7879 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7881 * rtl.h (CONST_INT_P): Define.
7882 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7883 instead of GET_CODE(x) == CONST_INT.
7884 (vax_rtx_costs): Likewise.
7885 (vax_output_int_move): Likewise.
7886 (vax_output_int_add): Likewise.
7887 (legitimate_constant_address_p): Likewise.
7888 (index_term_p): Likewise.
7889 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7890 * config/vax/vax.md (and<mode>3): Likewise.
7891 (ashrsi3): Likewise.
7893 (movstricthi): Likewise.
7894 (movstrictqi): Likewise.
7895 (rotrsi3): Likewise.
7896 (five unnamed insns): Likewise.
7898 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7900 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7901 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7902 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7903 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7904 Pass to ASM_OUTPUT_DWARF_OFFSET.
7905 * dwarf2out.c (debug_frame_section): New.
7906 (output_call_frame_info): Use debug_frame_section. Pass it to
7907 dw2_asm_output_offset.
7908 (output_die): Pass appropriate section to dw2_asm_output_offset.
7909 (output_compilation_unit_header): Likewise.
7910 (output_pubnames): Likewise.
7911 (output_aranges): Likewise.
7912 (enum dw_val_class): Break dw_val_class_lbl_offset into
7913 dw_val_class_lineptr and dw_val_class_macptr.
7914 (add_AT_lbl_offset): Delete.
7915 (add_AT_lineptr): New.
7916 (add_AT_macptr): New.
7917 (AT_lbl): Expect a lineptr or macptr.
7918 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7919 (attr_checksum): Likewise.
7920 (same_dw_val_p): Likewise.
7921 (size_of_die): Likewise.
7922 (value_format): Likewise.
7923 (output_die): Likewise.
7924 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7926 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7927 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7928 * config/darwin-protos.h (darwin_file_start): New.
7929 (darwin_asm_output_dwarf_offset): New.
7930 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7931 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7933 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7934 if not EH section; simplify.
7935 (darwin_file_start): New.
7936 (darwin_asm_output_dwarf_offset): New.
7937 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7939 (DEBUG_INFO_SECTION): Likewise.
7940 (DEBUG_ABBREV_SECTION): Likewise.
7941 (DEBUG_ARANGES_SECTION): Likewise.
7942 (DEBUG_MACINFO_SECTION): Likewise.
7943 (DEBUG_LINE_SECTION): Likewise.
7944 (DEBUG_LOC_SECTION): Likewise.
7945 (DEBUG_PUBNAMES_SECTION): Likewise.
7946 (DEBUG_STR_SECTION): Likewise.
7947 (DEBUG_RANGES_SECTION): Likewise.
7948 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7949 (ASM_OUTPUT_DWARF_OFFSET): New.
7951 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7953 * config.gcc (tm_defines): Always add to previous value rather
7956 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7958 * config/mips/predicates.md (splittable_const_int_operand): New,
7959 split from move_operand.
7960 (splittable_symbolic_operand): New.
7961 (move_operand): Add commentary. Use splittable_const_int_operand.
7962 Inline mips_atomic_symbolic_constant_p.
7963 * config/mips/mips.md: Add combine splitters for handling moves
7964 of splittable_const_int_operands and splittable_symbolic_operands.
7965 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
7966 (mips_split_symbol): Declare.
7967 (mips_move_integer): Declare.
7968 * config/mips/mips.c (mips_split_p): Make global.
7969 (TARGET_MIN_ANCHOR_OFFSET): Override default.
7970 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
7971 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
7972 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
7973 (mips_offset_within_object_p): Handle block symbols.
7974 (mips_atomic_symbolic_constant_p): Delete.
7975 (mips_cannot_force_const_mem): Return false for constants that
7976 mips_legitimize_move can handle.
7977 (mips_use_blocks_for_constant_p): New function.
7978 (mips_split_symbol): Make global.
7979 (mips_move_integer): Likewise. Add a temporary register argument.
7980 (mips_legitimize_const_move): Use splittable_const_int_operand and
7981 splittable_symbolic_operand.
7982 (mips_use_anchors_for_symbol_p): New function.
7983 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
7984 (mips_split_p): Declare.
7986 2006-03-16 Richard Sandiford <richard@codesourcery.com>
7988 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
7989 (mips*-*-linux*): Likewise.
7991 2006-03-16 Roger Sayle <roger@eyesopen.com>
7992 Daniel Speyer <dspeyer@wam.umd.edu>
7995 * tree-dump.c (dump_real): New function.
7996 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
7997 * Makefile.in (REAL_H): New macro for dependencies on real.h.
7998 (tree-dump.o): Add $(REAL_H) to the dependencies.
8000 2006-03-16 Roger Sayle <roger@eyesopen.com>
8003 * real.c (real_from_string): If the mantissa is zero, don't bother
8004 parsing the exponent as the result should always be zero.
8006 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8008 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8010 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8012 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8013 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8014 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8015 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8016 ia64_sched_finish_global): New static functions to implement
8017 hooks from gcc_target.sched.
8018 (spec_check_no, max_uid, pending_data_specs): New static variables.
8019 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8020 ia64_spec_check_src_p): New static functions.
8021 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8022 (TARGET_SCHED_ADJUST_COST): Removed.
8023 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8024 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8025 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8026 TARGET_SCHED_GEN_CHECK,
8027 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8028 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8029 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8030 Fixed to handle speculation checks.
8031 (rtx_needs_barrier): Fixed to handle speculative loads and
8033 (ia64_variable_issue): Added code to count speculative loads and their
8035 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8037 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8039 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8041 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8042 (ia64_reorg): Reset stops_p to NULL after it is freed.
8043 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8044 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8045 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8047 (data_speculative, control_speculative, check_load): New attributes.
8048 (mov<mode>_advanced, mov<mode>_speculative,
8049 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8050 zero_extend<mode>di2_speculative,
8051 zero_extend<mode>di2_speculative_advanced): New patterns for
8052 data and control speculative loads.
8053 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8055 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8056 New pattern for data and control speculation checks.
8057 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8058 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8059 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8060 Auxiliary definitions for the patterns.
8061 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8062 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8064 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8066 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8067 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8068 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8069 New resource constraints.
8070 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8072 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8073 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8074 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8075 msched-in-control-spec, msched-ldc, msched-control-ldc,
8076 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8077 msched-prefer-non-control-spec-insns,
8078 msched-count-spec-in-critical-path): New flags to tune speculative
8080 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8081 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8082 msched-in-control-spec, msched-ldc, msched-control-ldc,
8083 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8084 msched-prefer-non-control-spec-insns,
8085 msched-count-spec-in-critical-path): Document new flags.
8087 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8089 * target.h (struct spec_info_def): New opaque declaration.
8090 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8091 speculate_insn, needs_block_p, gen_check,
8092 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8093 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8094 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8095 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8096 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8097 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8099 (TARGET_SCHED): Use new macros.
8100 * rtl.h (copy_DEPS_LIST_list): New prototype.
8101 * sched-int.h (struct sched_info): Change signature of new_ready field,
8102 adjust all initializations. New fields: add_remove_insn,
8103 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8104 region_head_or_leaf_p.
8105 (struct spec_info_def): New structure declaration.
8106 (spec_info_t): New typedef.
8107 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8108 recovery_block, orig_pat.
8109 (glat_start, glat_end): New variables declaraions.
8110 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8112 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8113 DETACH_LIFE_INFO, USE_GLAT.
8114 (enum SPEC_SCHED_FLAGS): New enumeration.
8115 (NOTE_NOTE_BB_P): New macro.
8116 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8117 attach_life_info, debug_spec_status, check_reg_live): New functions.
8118 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8119 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8121 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8122 * ddg.c (get_block_head_tail): Adjust all uses.
8123 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8124 (sms_sched_info): Initialize new fields.
8125 (contributes_to_priority): Removed.
8126 * haifa-sched.c (params.h): New include.
8127 (get_block_head_tail): Adjust all uses.
8128 (ISSUE_POINTS): New macro.
8129 (glat_start, glat_end): New global variables.
8130 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8131 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8132 old_last_basic_block, before_recovery, current_sched_info_var,
8133 rgn_n_insns, luid): New static variables.
8134 (insn_cost1): New function. Move logic from insn_cost to here.
8135 (find_insn_reg_weight1): New function. Move logic from
8136 find_insn_reg_weight to here.
8137 (reemit_notes, move_insn, max_issue): Change signature.
8138 (move_insn1): Removed.
8139 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8140 extend_bb): New static functions to support extension of scheduler's
8142 (generate_recovery_code, process_insn_depend_be_in_spec,
8143 begin_speculative_block, add_to_speculative_block,
8144 init_before_recovery, create_recovery_block, create_check_block_twin,
8145 fix_recovery_deps): New static functions to support
8146 generation of recovery code.
8147 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8148 restore_bb_notes, move_block_after_check, move_succs): New static
8149 functions to support ebb scheduling.
8150 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8151 functions to support handling of register live information.
8152 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8153 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8154 add_jump_dependencies): New static functions.
8155 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8156 consistancy checking.
8157 (debug_spec_status): New function to call from debugger.
8158 (priority): Added code to handle speculation checks.
8159 (rank_for_schedule): Added code to distinguish speculative instructions.
8160 (schedule_insn): Added code to handle speculation checks.
8161 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8162 Fixed to handle ebbs.
8163 (move_insn): Added code to handle ebb scheduling.
8164 (max_issue): Added code to use ISSUE_POINTS of instructions.
8165 (choose_ready): Added code to choose between speculative and
8166 non-speculative instructions.
8167 (schedule_block): Added code to handle ebb scheduling and scheduling of
8168 speculative instructions.
8169 (sched_init): Initialize new variables.
8170 (sched_finish): Free new variables. Print statistics.
8171 (try_ready): Added code to handle speculative instructions.
8172 * lists.c (copy_DEPS_LIST_list): New function.
8173 * sched-deps.c (extend_dependency_caches): New function. Move logic
8174 from create_dependency_caches to here.
8175 (get_dep_weak, ds_merge): Make global.
8176 * genattr.c (main): Code to output prototype for
8177 dfa_clear_single_insn_cache.
8178 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8179 (output_dfa_clean_insn_cache_func): Code to output
8180 dfa_clear_single_insn_cache function.
8181 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8183 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8185 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8186 New static variables.
8187 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8188 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8190 (ebb_sched_info): Initialize new fields.
8191 (get_block_head_tail): Adjust all uses.
8192 (compute_jump_reg_dependencies): Fixed to use glat_start.
8193 (schedule_ebb): Code to remove unreachable last block.
8194 (schedule_ebbs): Added code to update register live information.
8195 * sched-rgn.c (region_sched_info): Initialize new fields.
8196 (get_block_head_tail): Adjust all uses.
8197 (last_was_jump): Removed. Adjust users.
8198 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8199 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8200 Implement new hooks.
8201 (check_dead_notes1): New static function.
8202 (struct region): New fields: dont_calc_deps, has_real_ebb.
8203 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8204 (BB_TO_BLOCK): Fixed to handle EBBs.
8205 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8206 (ebb_head): New static variable.
8207 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8208 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8210 (compute_dom_prob_ps): New assertion.
8211 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8212 global_live_at_start.
8213 (init_ready_list): New assertions.
8214 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8215 (new_ready): Add support for BEGIN_CONTROL speculation.
8216 (schedule_insns): Fixed code that updates register live information
8218 (schedule_region): Fixed to handle EBBs.
8219 (init_regions): Use extend_regions and check_dead_notes1.
8220 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8221 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8222 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8223 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8224 TARGET_SCHED_GEN_CHECK,
8225 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8226 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8227 * doc/invoke.texi (max-sched-insn-conflict-delay,
8228 sched-spec-prob-cutoff): Document.
8230 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8232 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8233 inter_tick, queue_index.
8234 (struct sched_info): Change signature of init_ready_list field.
8235 Adjust all initializations.
8236 (RESOLVED_DEPS): New access macro.
8237 (ready_add): Remove prototype.
8238 (try_ready): Add prototype.
8239 * sched-rgn.c (init_ready_list): Use try_ready.
8240 (schedule_region): Initialize
8241 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8242 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8243 (init_ready_list): Use try_ready.
8244 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8245 * lists.c (remove_list_elem): Remove `static'.
8246 (remove_free_INSN_LIST_elem): New function.
8247 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8248 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8249 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8251 (readyp): New variable.
8252 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8253 change_queue_index, resolve_dep): New static functions.
8254 (try_ready): New function. Adjust callers in sched-rgn.c and
8255 sched-ebb.c to use it instead of ready_add.
8256 (clock_var): Move at the begining of file.
8257 (rank_for_schedule): Fix typo.
8258 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8259 (ready_lastpos): Enforce assertion.
8260 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8262 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8263 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8264 (queue_to_ready): Use free_INSN_LIST_list.
8265 (early_queue_to_ready): Fix typo.
8266 (schedule_block): Init readyp. Move init_ready_list call after the
8267 initialization of clock_var. Fix error in rejecting insn by
8268 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8269 that previously corrected INSN_TICKs. Add code for handling
8271 (set_priorities): Fix typo.
8272 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8273 Clarify comment and code that keeps current_sched_info->next_tail
8276 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8278 * sched-rgn.c (extend_rgns): New static function.
8279 (find_rgns): Use it.
8280 (gather_region_statistics, print_region_statistics): New static
8282 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8283 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8285 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8286 Andrey Belevantsev <abel@ispras.ru>
8288 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8289 * lists.c (unused_deps_list): New variable.
8290 (free_list): Add assertions to verify the proper distinguishing
8291 between INSN_LISTs and DEPS_LISTs.
8292 (find_list_elem, remove_list_elem, remove_list_node): New static
8294 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8295 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8296 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8297 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8299 (free_INSN_LIST_node): Likewise.
8300 * modulo-sched.c (current_sched_info): Initialize flags field.
8301 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8302 * rtl.def (DEPS_LIST): Define.
8303 * rtl.h: Declare new functions from lists.c.
8304 * sched-deps.c (spec_dependency_cache): New static variable.
8305 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8306 (add_dependence): Change return type to void. Move the logic to ...
8307 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8308 (delete_all_dependences): Add comment about forward_dependency_cache.
8309 Handle spec_dependency_cache. Handle DEPS_LISTs.
8310 (fixup_sched_groups): Clarify the change of priority of output
8311 and anti dependencies.
8312 (sched_analyze_2): Adjust add_dependence calls to create data
8313 speculative dependence.
8314 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8315 Adjust all callers. Handle DEPS_LISTS.
8316 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8317 presence of speculation.
8318 (init_dependency_caches, free_dependency_caches):
8319 Handle spec_dependency_cache.
8320 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8321 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8322 New static functions.
8323 (add_or_update_back_dep, add_or_update_back_forw_dep,
8324 add_back_forw_dep, delete_back_forw_dep): New functions.
8325 * sched-int.h (ds_t, dw_t): New typedefs.
8326 (struct sched_info): Add new field flags.
8327 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8328 Prototype new sched-deps.c functions.
8329 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8330 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8331 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8332 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8333 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8334 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8336 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8338 * sched-rgn.c (current_sched_info): Initialize flags field.
8339 (schedule_insns): Initialize current_sched_info before the sched_init
8341 * sched-ebb.c (current_sched_info): Initialize flags field.
8342 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8343 Call add_or_update_back_dep instead of add_dependence.
8344 Create control speculative dependencies.
8345 (schedule_insns): Initialize current_sched_info before the sched_init
8348 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8350 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8352 (sh_fallback_frame_state): Likewise.
8354 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8356 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8357 Do switch on default_use_cxa_atexit.
8358 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8359 * config/darwin-crt3.o: New.
8360 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8361 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8362 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8364 * config/rs6000/t-darwin: Move crt2.o building to here.
8365 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8366 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8369 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8371 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8372 from '! xxx' to '!xxx' for coding-style conformance.
8373 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8374 (EXTRA_CONSTRAINT): Likewise.
8375 * config/vax/vax.md (four unnamed insns): Likewise.
8377 2006-03-15 Paul Brook <paul@codesourcery.com>
8379 * config/arm/arm.c (minipool_pad): New.
8380 (add_minipool_forward_ref): Include pool alignment padding in address
8382 (push_minipool_fix): Set minipool_pad.
8383 (minipool_pad): Ditto.
8385 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8387 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8388 instead of GET_CODE() == MEM and REG_P() instead of
8390 (print_operand_address): Likewise.
8391 (vax_address_cost): Likewise.
8392 (vax_rtx_costs): Likewise.
8393 (vax_notice_update_cc): Likewise.
8394 (vax_output_int_add): Likewise.
8395 (INDEX_REGISTER_P): Likewise.
8396 (BASE_REGISTER_P): Likewise.
8397 (nonindexed_address_p): Likewise.
8398 (vax_mode_dependent_address_p): Likewise.
8399 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8400 (PRINT_OPERAND): Likewise.
8401 * config/vax/vax.md (ashlsi3): Likewise.
8402 (ashlsi3): Likewise.
8403 (some more unnamed insns): Likewise.
8405 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8407 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8408 iterator-style macro.
8409 (mark_control_dependent_edges_necessary): Update the use of
8410 EXECUTE_IF_CONTROL_DEPENDENT.
8412 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8414 * config/sh/predicates.md (cache_address_operand): Special.
8415 (ua_address_operand): Likewise.
8417 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8419 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8421 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8423 2006-03-15 Andreas Schwab <schwab@suse.de>
8425 * gensupport.c (identify_predicable_attribute): Don't free p_false
8426 when it is still in use.
8428 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8430 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8431 the default setting here.
8433 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8435 * tree-pass.h (pass_cfg): Remove.
8436 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8437 * passes.c (pass_cfg): Don't run it.
8439 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8441 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8442 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8444 (stack_regs_mentioned): Update the uses of
8445 stack_regs_mentioned_data. Don't access the array beyond its
8447 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8448 Don't include gt-reg-stack.h.
8450 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8451 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8453 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8456 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8459 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8461 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8463 2006-03-14 Richard Guenther <rguenther@suse.de>
8465 PR tree-optimization/26672
8466 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8469 2006-03-14 Richard Guenther <rguenther@suse.de>
8471 PR tree-optimization/26667
8472 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8473 node for the callees. Always allow inlining if it will shrink
8476 2006-03-14 Richard Guenther <rguenther@suse.de>
8479 * builtins.c (get_pointer_alignment): Prefer alignment
8480 information from decls over that from types.
8482 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8485 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8487 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8489 * config/rs6000/rs6000.opt (mdlmzb): New option.
8490 (msched-prolog, msched-epilog): Use Var not Mask.
8491 * doc/invoke.texi (-mdlmzb): Document.
8492 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8494 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8495 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8497 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8499 PR rtl-optimization/25739
8500 * bt-load.c (augment_live_range): Free tos pointer.
8502 * gensupport.c (identify_predicable_attribute): Free
8504 * gcov.c (create_file_names): Free name pointer.
8506 2006-03-13 Roger Sayle <roger@eyesopen.com>
8509 * stmt.c (emit_case_nodes): Handle the case where the index is a
8510 CONST_INT, where the comparison mode is specified by the index type.
8512 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8514 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8517 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8519 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8520 (*branch_fp_inverted): Likewise.
8522 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8525 * omp-low.c (expand_omp_for_generic): Mark istart0
8526 and iend0 as addressable.
8528 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8530 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8532 2006-03-13 Jeff Law <law@redhat.com>
8534 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8535 virtual operands are interesting.
8536 (vrp_visit_stmt): Corresponding changes.
8538 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8540 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8542 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8543 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8544 * config/bfin/crti.S: Use it instead of __PIC__.
8545 * config/bfin/crtn.S: Likewise.
8547 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8548 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8550 Lose 'G' modifier for call operand.
8551 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8552 recognize 'G' modifier.
8554 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8557 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8558 * stmt.c (expand_case): Likewise.
8560 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8562 PR rtl-optimization/26254
8563 * loop-invariant.c (seq_insns_valid_p): New function.
8564 (move_invariant_reg): Only emit new code if it is valid.
8566 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8568 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8570 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8571 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8572 (commit_one_edge_insertion): Do not look for loop notes.
8574 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8576 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8577 flag_test_coverage out of loop.
8579 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8581 * final.c (shorten_branches): Remove outdated comment, and turn
8582 the if branch that guards it to continue.
8584 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8586 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8587 * cfgloop.h (struct loop): Remove unused fields.
8589 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8591 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8592 (-dL, -fdump-rtl-loop2): Update the dump file names
8594 * doc/invoke.texi: Update dump file names.
8596 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8598 * predict.c (estimate_probability): Remove.
8599 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8600 * basic-block.h (estimate_probability): Remove prototype.
8601 * passes.c (finish_optimization_passes): Dump branch prediction or
8602 profiling heuristics to the .profile tree dump.
8603 (init_optimization_passes): Unqueue pass_branch_prob.
8605 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8607 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8609 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8610 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8612 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8614 * function.h (frame_offset_overflow): Declare.
8615 * function.c (frame_offset_overflow): New function.
8616 (assign_stack_local_1): Call it to detect that the offset overflows.
8617 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8619 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8621 * config/sh/sh.c: Include alloc-pool.h.
8622 (label_ref_list_pool): New alloc pool.
8623 (label_ref_list_t): New type for lists of labels.
8624 (struct pool_node): Make wend a label_ref_list_t.
8625 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8627 (dump_table): Likewise.
8628 (sh_reorg): Set up the alloc pool before using add_constant and
8629 dump_table, and destroy it when finishing.
8631 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8633 * config/mips/mips.c: Remove redundant comment.
8635 2006-03-10 Jason Merrill <jason@redhat.com>
8638 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8639 the target was declared 'register'.
8641 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8643 * genpreds.c (write_insn_constraint_len): Change definition of
8644 insn_constraint_len to return size_t to match the declaration.
8646 2006-03-10 DJ Delorie <dj@redhat.com>
8648 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8650 (m32c_expand_insv): Fix test for an AND mask.
8652 2006-03-10 Richard Guenther <rguenther@suse.de>
8655 * builtins.c (get_pointer_alignment): Handle component
8656 references for field alignment.
8658 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8660 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8661 when building with libgloss.
8662 (sh*elf): Implement --without-fp option.
8663 (sh64-superh-linux*): Don't multilib.
8665 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8667 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8669 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8671 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8672 Set it when one of the replacement functions returned true.
8673 Return TODO_cleanup_cfg if cfgchanged is true.
8674 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8676 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8678 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8679 instead of gen_lowpart.
8681 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8683 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8685 (mips_output_order_conditional_branch): Declare.
8686 * config/mips/mips.h (MIPS_BRANCH): New macro.
8687 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8688 for the comparison. Use gen_condjump.
8689 (mips_output_conditional_branch): Rework interface to take the
8690 asm templates for a direct branch and the inverse of a direct branch.
8691 (mips_output_order_conditional_branch): New function.
8692 (mips_builtin_branch_and_move): New function.
8693 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8694 branch condition. Use gen_single_cc as the condition for
8695 __builtin_mips_upper_* or __builtin_mips_lower_*.
8696 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8697 Use VOIDmode for the branch condition.
8698 * config/mips/predicates.md (order_operator): New predicate.
8699 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8700 (branch_fp): Rename to...
8701 (*branch_fp): ...this. Remove mode from comparison operator.
8702 Use new mips_output_conditional_branch interface.
8703 (branch_fp_inverted): Rename to...
8704 (*branch_fp_inverted): ...this and update as for *branch_fp.
8705 (*branch_zero<mode>): Rename to...
8706 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8707 Use mips_output_order_conditional_branch. Only accept ordered
8709 (*branch_zero<mode>_inverted): Rename to...
8710 (*branch_order<mode>_inverted): ...this and update as for
8711 *branch_order<mode>.
8712 (*branch_equality<mode>): Accept zero as the second operand to
8713 the equality operator. Use the new mips_output_conditional_branch
8715 (*branch_equality<mode>_inverted): Likewise.
8716 (condjump): New expander.
8717 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8719 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8720 (bc1any2t, bc1any2f): Likewise.
8721 (single_cc): New expander.
8722 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8724 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8726 * doc/md.texi: Update documentation of MIPS constraints.
8727 * config/mips/constraints.md: New file.
8728 * config/mips/mips.md: Include it.
8729 * config/mips/mips.c (mips_char_to_class): Delete.
8730 (override_options): Don't initialize mips_char_to_class.
8731 * config/mips/mips.h (mips_char_to_class): Delete.
8732 (REG_CLASS_FROM_LETTER): Delete.
8733 (CONST_OK_FOR_LETTER_P): Delete.
8734 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8735 (EXTRA_CONSTRAINT_Y): Delete.
8736 (EXTRA_CONSTRAINT_STR): Delete.
8737 (CONSTRAINT_LEN): Delete.
8738 (EXTRA_MEMORY_CONSTRAINT): Delete.
8740 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8742 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8743 original fn's eh regions.
8745 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8747 * fold-const.c (build_range_check): Make sure to use a valid type to
8748 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8751 (range_predecessor): New static function.
8752 (range_successor): Likewise.
8753 (merge_ranges): Use them to compute predecessors and successors of
8756 2006-03-09 Roger Sayle <roger@eyesopen.com>
8759 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8760 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8762 2006-03-08 DJ Delorie <dj@redhat.com>
8764 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8765 (addpsi3): Expand to include memory operands. Remove
8766 reload-specific splits.
8767 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8768 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8769 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8770 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8771 (shift1_qi, shift1_hi, insv): New.
8772 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8773 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8774 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8776 * config/m32c/m32c-protos.h: Update as needed.
8777 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8778 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8779 Fail for unrecognized R* constraints.
8780 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8781 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8782 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8784 (m32c_init_libfuncs): New.
8785 (m32c_legitimate_address_p): Add debug wrapper.
8786 (m32c_rtx_costs): New.
8787 (m32c_address_cost): New.
8788 (conversions): Add 'B' prefix.
8789 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8790 operands, or word regnames for QI operands. 'B' prints bit
8792 (m32c_expand_setmemhi): New.
8793 (m32c_expand_movmemhi): New.
8794 (m32c_expand_movstr): New.
8795 (m32c_expand_cmpstr): New.
8796 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8797 (m32c_expand_neg_mulpsi3): Handle non-ints.
8798 (m32c_cmp_flg_0): New.
8799 (m32c_expand_movcc): New.
8800 (m32c_expand_insv): New.
8801 (m32c_scc_pattern): New.
8802 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8803 a0/a1 out of SIregs.
8804 (STORE_FLAG_VALUE): New.
8805 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8808 * config/m32c/mov.md: Make constraints more liberal.
8809 (zero_extendqihi2): Optimize r0/r1 case.
8810 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8811 * config/m32c/predicates.md (m32c_any_operand): New.
8812 (m32c_nonimmediate_operand): New.
8813 (m32c_hl_operand): New.
8814 (m32c_r3_operand): New.
8817 (memsym_operand): New.
8818 (memimmed_operand): New.
8819 (a_qi_operand): New.
8820 (m32c_eqne_operator): New.
8821 (m32c_1bit8_operand): New.
8822 (m32c_1bit16_operand): New.
8823 (m32c_1mask8_operand): New.
8824 (m32c_1mask16_operand): New.
8825 * config/m32c/blkmov.md: New file.
8826 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8828 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8830 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8831 unsigned to fix signed/unsigned comparison issue in
8832 DWARF2_FRAME_REG_OUT.
8833 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8834 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8836 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8837 of ptr into the ENABLE_CHECKING section.
8839 2006-03-08 Jeff Law <law@redhat.com>
8841 * tree-vrp.c (infer_value_range): Only count pointer uses
8842 and dereferences if -fdelete-null-pointer-checks is enabled.
8844 * tree-vrp.c (find_assert_locations): Infer value ranges for
8845 single use pointers, but do not create ASSERT_EXPRs for them.
8846 When a non-null range is inferred for a pointer, backwards
8847 propagate that range to other equivalent pointers through the
8850 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8853 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8854 language hook targets.
8855 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8856 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8857 if language hook targets were missing.
8859 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8861 * tree-ssa-opfinalize.h: Removed.
8862 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8864 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8865 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8866 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8867 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8868 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8869 finalize_ssa_v_must_def_ops): New.
8871 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8873 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8876 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8878 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8880 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8881 addresses with offsets; reorganize.
8883 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8884 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8885 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8887 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8890 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8892 2006-03-08 Ben Elliston <bje@au.ibm.com>
8894 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8896 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8899 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8902 2006-03-07 Richard Guenther <rguenther@suse.de>
8904 PR tree-optimization/26587
8905 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8907 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8909 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8911 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8913 * hooks.c (hook_bool_mode_rtx_true): New function.
8914 * hooks.h (hook_bool_mode_rtx_true): Declare.
8915 * toplev.c (compile_file): Call output_shared_constant_pool.
8916 * varasm.c (shared_constant_pool): New variable.
8917 (assemble_start_function, assemble_end_function): Remove arguments
8918 from call to output_constant_pool.
8919 (create_constant_pool): New function, split out from...
8920 (init_varasm_status): ...here.
8921 (force_const_mem): Choose between the shared and per-function constant
8922 pools. Set current_function_uses_const_pool when reusing old entries
8923 as well as when creating new ones.
8924 (mark_constant): Ignore data argument.
8925 (mark_constants): Remove pool argument.
8926 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8927 to decide whether the function uses a constant pool.
8928 (output_constant_pool_contents): New function, split out from...
8929 (output_constant_pool): ...here.
8930 (output_shared_constant_pool): New function.
8931 (init_varasm_once): Initialize shared_constant_pool.
8932 * output.h (output_constant_pool): Delete.
8933 (output_shared_constant_pool): Declare.
8934 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8935 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8937 2006-03-06 Nick Clifton <nickc@redhat.com>
8939 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8940 flag_strength_reduce.
8942 2006-03-06 Ben Elliston <bje@au.ibm.com>
8944 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8945 x86_64-*-linux* configurations.
8947 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8948 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8950 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8952 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8954 * basic-block.h: Remove the extern for
8955 rediscover_loops_after_threading.
8957 * cfgloop.c (cancel_loop): Make it static.
8958 * cfgloop.h: Remove the prototype for cancel_loop.
8960 * flow.c (recompute_reg_usage): Make it static.
8961 * rtl.h: Remove the prototype for recompute_reg_usage.
8963 * function.c (use_return_register): Make it static.
8964 * function.h: Remove the prototype.
8966 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8968 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
8970 * recog.h: Remove the prototype for
8971 validate_change_maybe_volatile.
8973 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8975 * rtlanal.c (replace_reg): Remove.
8976 * rtl.h: Remove the prototype for replace_reg.
8978 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8980 * regclass.c (reg_scan_update): Remove.
8981 (reg_scan_mark_refs): Remove the last argument.
8982 * rtl.h: Remove the prototype for reg_scan_update.
8984 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
8986 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
8987 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
8988 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
8989 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
8990 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
8991 loop-invariant.c, omp-low.c, opts.c, passes.c,
8992 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
8993 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
8994 tree-ssa-structalias.c, tree-ssa-threadedge.c,
8995 tree-ssa-threadupdate.c, tree-vect-patterns.c,
8996 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
8997 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
8999 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9001 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9002 * dwarf2out.h: Remove the prototype for
9003 dwarf2out_add_library_unit_info.
9005 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9007 * tree.c (add_var_to_bind_expr): Remove.
9008 * tree.h: Remove the prototype for add_var_to_bind_expr.
9010 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9012 * regclass.c (n_non_fixed_regs): Remove.
9013 (init_reg_sets_1, globalize_reg): Remove all uses of
9015 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9017 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9019 * rtlanal.c (insns_safe_to_move_p): Remove.
9020 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9022 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9024 * expmed.c (expand_mult_add): Remove.
9025 * expr.h: Remove the prototype for expand_mult_add.
9027 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9029 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9030 and REG_SAVED_VAL_EXP constants.
9031 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9032 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9033 Handle regs stored by value.
9034 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9035 (execute_cfa_program): Handle DW_CFA_val_offset,
9036 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9037 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9038 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9039 (uw_install_context_1): Handle target regs stored by value.
9041 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9043 * tree-sra.c (tree_sra): Return todoflags;
9044 (generate_one_element): Set TODO_update_smt_usage if needed.
9045 (pass_sra): Remove TODO_update_smt_usage.
9046 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9048 (tree_ssa_forward_propagate_single_use_vars): Return
9049 TODO_update_smt_usage if we need to update SMT usage.
9050 (pass_forwprop): Remove TODO_update_smt_usage.
9052 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9054 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9055 (correct_use_link): Remove reference to get_stmt_operands.
9056 (update_stmt_operands): Likewise.
9057 (get_modify_expr_operands): New function factored out of
9058 parse_ssa_operands and get_expr_operands.
9059 Try to create V_MUST_DEFs for LHS by default.
9060 (get_expr_operands) <case MODIFY_EXPR>: Call
9061 get_modify_expr_operands.
9062 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9063 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9064 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9065 get_modify_expr_operands.
9067 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9069 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9070 * tree-flow.h: Remove the prototype for
9071 referenced_var_lookup_if_exists.
9073 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9075 PR rtl-optimization/26345
9077 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9079 2006-03-03 Roger Sayle <roger@eyesopen.com>
9081 PR tree-optimization/26524
9082 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9083 fold_convert to create a constant of the appropriate type.
9085 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9087 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9088 SYMBOL_REF_IN_BLOCK_P.
9089 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9090 of SYMBOL_FLAG_IN_BLOCK.
9091 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9092 instead of SYMBOL_REF_IN_BLOCK_P.
9093 * explow.c (use_anchored_address): Likewise.
9094 * rtl.c (rtx_size): Likewise.
9095 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9096 instead of SYMBOL_FLAG_IN_BLOCK.
9097 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9098 SYMBOL_REF_IN_BLOCK_P.
9099 (assemble_variable): Likewise.
9100 (output_constant_def_contents): Likewise.
9101 (output_constant_pool): Likewise.
9102 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9103 instead of SYMBOL_FLAG_IN_BLOCK.
9104 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9105 SYMBOL_REF_IN_BLOCK_P.
9106 (SYMBOL_REF_BLOCK): Likewise.
9107 (SYMBOL_REF_OFFSET): Likewise.
9108 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9109 SYMBOL_REF_IN_BLOCK_P.
9110 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9111 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9112 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9113 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9115 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9117 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9119 2006-03-02 Roger Sayle <roger@eyesopen.com>
9121 * simplify-rtx.c (simplify_unary_operation): When simplifying
9122 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9123 that we perform the right shift in the appropriate mode, and
9124 then extend or truncate the result to requested mode.
9126 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9128 * gengtype.c (main): Handle double_int type.
9129 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9130 * double-int.c: New file.
9131 * double-int.h: New file.
9132 * system.h: Include doubleint.h.
9133 * Makefile.in (SYSTEM_H): Include double-int.h.
9134 (double-int.o): Add.
9136 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9139 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9142 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9144 * tree-vrp.c (remove_range_assertions): Do not update statements
9147 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9149 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9151 * gcse.c (rest_of_handle_gcse): Ditto.
9152 * except.c (gate_handle_eh): Ditto.
9153 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9154 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9156 2006-03-02 Eric Christopher <echristo@apple.com>
9158 * config/i386/i386.c (machopic_output_stub): Add indirection to
9161 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9165 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9167 Sun Niagara specific optimizations.
9168 * config.gcc: Recognize niagara as target.
9169 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9170 (TARGET_CPU_niagara): Define.
9171 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9172 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9173 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9174 (ASM_CPU_SPEC): Likewise.
9175 (PROCESSOR_NIAGARA): New enum entry.
9176 (REGISTER_MOVE_COST): Handle Niagara.
9177 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9178 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9179 (sparc_override_options): Recognize "niagara", set appropriate
9180 default MASK_* values for it, and align functions to 32-bytes
9181 by default just like ULTRASPARC/ULTRASPARC3.
9182 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9183 (sparc64_initialize_trampoline): Likewise.
9184 (sparc_use_sched_lookahead): Use zero for niagara.
9185 (sparc_issue_rate): Use one for niagara.
9186 * config/sparc/niagara.md: New file.
9187 * config/sparc/sparc.md: Include it.
9188 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9189 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9190 when default cpu is niagara.
9191 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9192 (ASM_CPU_SPEC): Likewise.
9193 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9194 when default cpu is niagara.
9195 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9196 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9197 just like v9/ultrasparc/ultrasparc3.
9198 * doc/invoke.texi: Add documentation for "niagara" and improve
9199 existing documentation for ultrasparc variants.
9201 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9203 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9205 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9207 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9208 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9209 and say that only one is needed.
9210 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9211 * target.h (have_switchable_bss_sections): New hook.
9212 * explow.c (use_anchored_address): Check that the symbol is in a block.
9213 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9214 (bss_noswitch_section): New variables.
9215 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9216 (get_noswitch_section): New function.
9217 (get_block_for_section): Allow SECT to be null.
9218 (unlikely_text_section_p): Use SECTION_STYLE.
9219 (bss_initializer_p): New function.
9220 (get_variable_section): Move earlier in file. Take a new argument,
9221 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9222 Return one of the new *_sections in such cases.
9223 (get_block_for_decl): New function, extracting some logic from
9224 use_blocks_for_decl_p.
9225 (change_symbol_section): Remove in favor of...
9226 (change_symbol_block): ...this new function.
9227 (use_blocks_for_decl_p): Remove checks now performed by
9229 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9230 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9231 (emit_local, emit_bss, emit_common): ...these new functions.
9232 Return true if the alignment was honored.
9233 (emit_tls_common): New function.
9234 (asm_emit_uninitialised): Delete.
9235 (assemble_variable_noswitch): New function, split out from...
9236 (assemble_variable): ...here. Don't make decisions about common
9237 variables here. Globalize all public decls that go into non-common
9238 sections. Check whether SYMBOL_REF_BLOCK is null.
9239 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9240 (output_constant_pool): Likewise.
9241 (init_varasm_once): Initialize the new section variables.
9242 (have_global_bss_p): New function.
9243 (categorize_decl_for_section): Use bss_initializer_p.
9244 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9245 (place_block_symbol): Assert that the symbol must be in a block.
9246 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9247 (TARGET_INITIALIZER): Include it.
9248 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9249 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9250 (SECTION_MACH_DEP): Bump by two.
9251 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9252 (unnamed_section): Mention SECTION_UNNAMED in comment.
9253 (named_section): Likewise SECTION_NAMED.
9254 (noswitch_section_callback): New type.
9255 (noswitch_section): New structure.
9256 (section): Add a noswitch_section alternative.
9257 (SECTION_STYLE): New macro.
9258 (tls_comm_section, comm_section, lcomm_section): Declare.
9259 (bss_noswitch_section, have_global_bss_p): Declare.
9260 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9261 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9263 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9264 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9267 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9269 * tree-vrp.c (execute_vrp): Return value.
9270 * regrename.c (rest_of_handle_regrename): Ditto.
9271 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9272 * tree-complex.c (tree_lower_complex): Ditto.
9273 (tree_lower_complex_O0): Ditto.
9274 * tracer.c (rest_of_handle_tracer): Ditto.
9275 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9276 * postreload.c (rest_of_handle_postreload): Ditto.
9277 * tree-tailcall.c (execute_tail_recursion): Ditto.
9278 (execute_tail_calls): Ditto.
9279 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9280 * tree.h (init_function_for_compilation): Ditto.
9281 * ipa-cp.c (ipcp_driver): Ditto.
9282 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9283 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9284 * final.c (compute_alignments): Ditto.
9285 (rest_of_handle_final): Ditto.
9286 (rest_of_handle_shorten_branches): Ditto.
9287 (rest_of_clean_state): Ditto.
9288 * omp-low.c (execute_expand_omp): Ditto.
9289 (execute_lower_omp): Ditto.
9290 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9291 * ipa-reference.c (static_execute): Ditto.
9292 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9293 * reorg.c (rest_of_handle_delay_slots): Ditto.
9294 (rest_of_handle_machine_reorg): Ditto.
9295 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9296 * flow.c (recompute_reg_usage): Ditto.
9297 (rest_of_handle_remove_death_notes): Ditto.
9298 (rest_of_handle_life): Ditto.
9299 (rest_of_handle_flow2): Ditto.
9300 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9301 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9302 (do_ssa_store_ccp): Ditto.
9303 (execute_fold_all_builtins): Ditto.
9304 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9305 * modulo-sched.c (rest_of_handle_sms): Ditto.
9306 * ipa-pure-const.c (static_execute): Ditto.
9307 * cse.c (rest_of_handle_cse): Ditto.
9308 (rest_of_handle_cse2): Ditto.
9309 * web.c (rest_of_handle_web): Ditto.
9310 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9311 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9312 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9313 * tree-nrv.c (tree_nrv): Ditto.
9314 (execute_return_slot_opt): Ditto.
9315 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9316 (create_structure_vars): Ditto.
9317 * loop-init.c (rtl_loop_init): Ditto.
9318 (rtl_loop_done): Ditto.
9319 (rtl_move_loop_invariants): Ditto.
9320 (rtl_unswitch): Ditto.
9321 (rtl_unroll_and_peel_loops): Ditto.
9322 (rtl_doloop): Ditto.
9323 * gimple-low.c (lower_function_body): Ditto.
9324 (mark_used_blocks): Ditto.
9325 * tree-ssa-sink.c (execute_sink_code): Ditto.
9326 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9327 (cgraph_early_inlining): Ditto.
9328 * global.c (rest_of_handle_global_alloc): Ditto.
9329 * jump.c (cleanup_barriers): Ditto.
9330 (purge_line_number_notes): Ditto.
9331 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9332 (rest_of_handle_if_after_reload): Ditto.
9333 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9334 (tree_ssa_loop_im): Ditto.
9335 (tree_ssa_loop_unswitch): Ditto.
9336 (tree_vectorize): Ditto.
9337 (tree_linear_transform): Ditto.
9338 (tree_ssa_loop_ivcanon): Ditto.
9339 (tree_ssa_empty_loop): Ditto.
9340 (tree_ssa_loop_bounds): Ditto.
9341 (tree_complete_unroll): Ditto.
9342 (tree_ssa_loop_prefetch): Ditto.
9343 (tree_ssa_loop_ivopts): Ditto.
9344 (tree_ssa_loop_done): Ditto.
9345 * predict.c (tree_estimate_probability): Ditto.
9346 * recog.c (split_all_insns_noflow): Ditto.
9347 (rest_of_handle_peephole2): Ditto.
9348 (rest_of_handle_split_all_insns): Ditto.
9349 * tree-eh.c (lower_eh_constructs): Ditto.
9350 * regmove.c (rest_of_handle_regmove): Ditto.
9351 (rest_of_handle_stack_adjustments): Ditto.
9352 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9353 * function.c (instantiate_virtual_regs): Ditto.
9354 (init_function_for_compilation): Ditto.
9355 (rest_of_handle_check_leaf_regs): Ditto.
9356 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9357 (rest_of_handle_gcse): Ditto.
9358 * ipa-type-escape.c (type_escape_execute): Ditto.
9359 * alias.c (rest_of_handle_cfg): Ditto.
9360 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9361 * profile.c (rest_of_handle_branch_prob): Ditto.
9362 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9363 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9364 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9365 * tree-dfa.c (find_referenced_vars): Ditto.
9366 * except.c (set_nothrow_function_flags): Ditto.
9367 (convert_to_eh_region_ranges): Ditto.
9368 (rest_of_handle_eh): Ditto.
9369 * emit-rtl.c (unshare_all_rtl): Ditto.
9370 (remove_unnecessary_notes): Ditto.
9371 * except.h (set_nothrow_function_flags): Ditto.
9372 (convert_to_eh_region_ranges): Ditto.
9373 * cfgexpand.c (tree_expand_cfg): Ditto.
9374 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9375 * tree-ssa-pre.c (do_pre): Ditto.
9376 (execute_fre): Ditto.
9377 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9378 (rest_of_handle_jump2): Ditto.
9379 * tree-sra.c (tree_sra): Ditto.
9380 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9381 (execute_mudflap_function_decls): Ditto.
9382 * tree-ssa-copy.c (do_copy_prop): Ditto.
9383 (do_store_copy_prop): Ditto.
9384 * ipa-prop.h (ipcp_driver): Ditto.
9385 * cfglayout.c (insn_locators_initialize): Ditto.
9386 * tree-ssa-forwprop.c
9387 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9388 * cfglayout.h (insn_locators_initialize): Ditto.
9389 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9390 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9391 (execute_late_warn_uninitialized): Ditto.
9392 * rtl.h (cleanup_barriers): Ditto.
9393 (split_all_insns_noflow): Ditto.
9394 (purge_line_number_notes): Ditto.
9395 (unshare_all_rtl): Ditto.
9396 (remove_unnecessary_notes): Ditto.
9397 (recompute_reg_usage): Ditto.
9398 (variable_tracking_main): Ditto.
9399 * integrate.c (emit_initial_value_sets): Ditto.
9400 * integrate.h (emit_initial_value_sets): Ditto.
9401 * tree-optimize.c (execute_free_datastructures): Ditto
9402 (execute_free_cfg_annotations): Ditto.
9403 (execute_fixup_cfg): Ditto.
9404 (execute_cleanup_cfg_pre_ipa): Ditto.
9405 (execute_cleanup_cfg_post_optimizing): Ditto.
9406 (execute_init_datastructures): Ditto.
9407 * tree-object-size.c (compute_object_sizes): Ditto.
9408 * combine.c (rest_of_handle_combine): Ditto.
9409 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9410 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9411 (rest_of_handle_reorder_blocks): Ditto.
9412 (rest_of_handle_partition_blocks): Ditto.
9413 * var-tracking.c (variable_tracking_main): Ditto.
9414 * tree-profile.c (tree_profiling): Ditto.
9415 * tree-vect-generic.c (expand_vector_operations): Ditto.
9416 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9417 * sched-rgn.c (rest_of_handle_sched): Ditto.
9418 (rest_of_handle_sched2): Ditto.
9419 * basic-block.h (free_bb_insn): Ditto.
9420 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9421 * tree-cfg.c (execute_build_cfg): Ditto.
9422 (remove_useless_stmts): Ditto.
9423 (split_critical_edges): Ditto.
9424 (execute_warn_function_return): Ditto.
9425 (execute_warn_function_noreturn): Ditto.
9426 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9427 * cfgrtl.c (free_bb_for_insn): Ditto.
9428 * passes.c (execute_one_pass): Run additional
9429 todos returned by execute function.
9430 * tree-pass.h (struct tree_opt_pass): Make execute
9433 2006-03-02 Richard Guenther <rguenther@suse.de>
9435 * tree-ssa-alias.c (find_used_portions): Consider taking
9436 the address as making the variable not write-only.
9438 2006-03-02 Nick Clifton <nickc@redhat.com>
9440 * config.gcc (default_use_cxa_atexit): Extend the description of
9441 this configure variable. Set its default value to "yes" for
9442 Linux, NetBSD and ELF targets on the assumption that they will
9443 use C libraries with the __cxa_atexit function.
9445 2006-03-02 Ben Elliston <bje@au.ibm.com>
9447 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9448 parameter as unused to suppress a build warning.
9450 2006-03-02 Ben Elliston <bje@au.ibm.com>
9452 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9455 2006-03-01 Roger Sayle <roger@eyesopen.com>
9458 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9459 declared name, the weak reference name, and the typeof name.
9460 (__gthrw): Avoid expanding the declared name suffix.
9461 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9463 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9465 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9467 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9468 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9469 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9470 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9471 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9472 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9473 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9474 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9475 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9476 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9477 (DW_END_default, DW_END_big, DW_END_little): New.
9478 (DW_END_lo_user, DW_END_hi_user): Define.
9479 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9480 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9481 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9484 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9486 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9488 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9490 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9492 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9494 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9495 to 'symbol_mem_tag'.
9497 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9500 2006-03-01 Roger Sayle <roger@eyesopen.com>
9502 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9504 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9507 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9508 MACHO_DYNAMIC_NO_PIC_P.
9509 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9511 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9514 * config/darwin-protos.h (darwin_asm_output_anchor):
9516 * config/darwin-sections.def (cstring_section):
9517 Add SECTION_MERGE to the flags.
9518 (literal4_section): Likewise.
9519 (literal8_section): Likewise.
9520 (objc_selector_refs_section): Likewise.
9521 (objc_cls_refs_section): Likewise.
9522 * config/darwin.c (darwin_asm_output_anchor): New
9524 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9526 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9528 Fix PR tree-optimization/26443
9529 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9530 to todo and PROP_tmt_usage to properties_destroyed.
9531 * tree-ssa-ccp.c (pass_ccp): Ditto.
9532 (pass_store_ccp): Ditto.
9533 * tree-ssa-dom.c (pass_dominator): Ditto.
9535 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9537 * tree-ssa-operands.c: Cleanup whitespace.
9538 (get_asm_expr_operands): Move before first invocation.
9539 (get_indirect_ref_operands): Likewise.
9540 (get_tmr_operands): Likewise.
9541 (get_call_expr_operands): Likewise.
9542 (append_def): Likewise.
9543 (append_use): Likewise.
9544 (append_v_may_def): Likewise.
9545 (append_v_must_def): Likewise.
9546 (add_call_clobber_ops): Likewise.
9547 (add_call_read_ops): Likewise.
9548 (add_stmt_operand): Likewise.
9549 (add_virtual_operand): Likewise.
9550 (build_ssa_operands): Likewise.
9552 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9557 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9558 with a call expr to ...
9559 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9561 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9563 * tree-vrp.c (extract_range_from_assert): Remove special
9564 handling for types with super-types.
9566 2006-03-01 Ben Elliston <bje@au.ibm.com>
9568 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9569 and powerpc64-*-linux* configurations.
9570 * config/t-dfprules: New file.
9572 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9573 Compile dfp-bit.c from the source directory using -DWIDTH and
9574 $DFP_CFLAGS to control the compilation of that file, rather than
9575 generating width-specific versions in the build directory.
9576 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9577 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9579 2006-02-28 Zack Weinberg <zackw@panix.com>
9581 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9584 2006-02-28 Eric Christopher <echristo@apple.com>
9586 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9587 Set up IN_LIBGCC definition of TARGET_64BIT.
9588 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9590 2006-02-28 Roger Sayle <roger@eyesopen.com>
9593 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9594 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9595 cases via the construction of "expr != 0".
9597 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9599 * alias.c (alias_invariant, alias_invariant_size): Remove.
9600 (record_base_value): Remove.
9601 (memrefs_conflict_p): Don't look at alias_invariant.
9602 (end_alias_analysis): Don't free it.
9603 * alias.h (record_base_value): Remove prototype.
9605 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9606 Adam Nemet <anemet@caviumnetworks.com>
9608 * rtl.h (truncated_to_mode): Declare it.
9609 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9610 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9611 (RTL_HOOKS_INITIALIZER): Include it.
9612 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9613 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9614 reg_truncated_to_mode.
9615 * rtlanal.c (truncated_to_mode): Define it.
9616 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9618 2006-02-28 Jeff Law <law@redhat.com>
9620 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9621 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9622 the range allowed by TYPE_PRECISION.
9624 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9626 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9628 PR tree-optimization/26419
9629 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9632 2006-02-27 Zack Weinberg <zackw@panix.com>
9634 * doc/md.texi: Fix typo in previous change.
9636 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9640 2006-02-27 Zack Weinberg <zackw@panix.com>
9642 * rtl.def (define_constraint, define_register_constraint)
9643 (define_memory_constraint, define_address_constraint): New MD forms.
9644 * gensupport.c (process_rtx): Put define_constraint etc on the
9646 * genpreds.c (process_define_predicate): Adjust comment. Validate
9647 the name, and call validate_exp to validate the expression.
9648 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9649 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9650 all callers changed.
9651 (validate_exp, needs_variable, struct constraint_data)
9652 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9653 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9654 (const_dbl_constraints, constraint_max_namelen)
9655 (have_register_constraints, have_memory_constraints)
9656 (have_address_constraints, have_address_constraints)
9657 (have_extra_constraints, have_const_int_constraints)
9658 (have_const_dbl_constraints, mangle, add_constraint)
9659 (process_define_constraint, process_define_register_constraint)
9660 (write_enum_constraint_num, write_lookup_constraint)
9661 (write_insn_constraint_len, write_regclass_for_constraint)
9662 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9663 (write_insn_extra_memory_constraint)
9664 (write_insn_extra_address_constraint)
9665 (write_satisfies_constraint_fns): New.
9666 (write_tm_preds_h): If we have new-style constraint definitions,
9667 prototype the functions generated from them, and define the
9668 old constraint interface (still used by generic code) in terms of
9670 (write_insn_preds_c): If we have new-style constraint definitions,
9671 generate all relevant functions from those definitions.
9672 (main): Handle define_constraint etc.
9673 * genoutput.c (struct constraint_data, indep_constraints)
9674 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9675 (mdep_constraint_len): New data structures and functions, defined
9676 #ifdef USE_MD_CONSTRAINTS.
9677 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9678 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9679 use new logic to validate operand constraints against constraint
9681 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9683 * defaults.h: If none of the old-style constraint macros are
9684 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9685 old-style macros; and poison REG_CLASS_FROM_LETTER,
9686 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9688 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9689 * doc/md.texi: Document new constraint-definition mechanism and the
9690 C interface it provides. Remove references to old mechanism
9691 elsewhere in the document.
9692 (Machine Constraints): Use pathnames relative to gcc directory,
9693 i.e. config/ARCH/FILE. Change i386 section to refer to
9694 config/i386/predicates.md; update that section to match docstrings.
9695 * doc/tm.texi: Move all documentation of the old constraint-
9696 definition macros to their own section, clearly mark as obsolete.
9698 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9699 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9701 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9702 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9703 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9705 (splits and peepholes): Use satisfies_constraint_*.
9706 * config/i386/i386.c (memory_address_length)
9707 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9709 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9711 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9712 scalar operation to be put back into the loop.
9714 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9717 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9718 (extract_cie_info): Handle S flag in augmentation string.
9719 (execute_cfa_program): If context->signal_frame, execute also
9720 fs->pc == context->ra instructions.
9721 (uw_frame_state_for): If context->signal_frame, don't subtract one
9722 from context->ra to find FDE.
9723 (uw_update_context_1): Set context->signal_frame to
9725 (_Unwind_GetIPInfo): New function.
9726 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9727 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9729 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9730 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9731 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9732 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9733 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9734 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9735 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9736 x86_64_fallback_frame_state): Set fs->signal_frame.
9737 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9738 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9739 (frob_update_context): Likewise. Workaround missing S flag in
9740 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9741 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9742 Remove the psw_addr + 1 hack.
9744 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9746 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9747 with aggregates here.
9748 (find_func_aliases): Remove code for &<aggregate> from here.
9750 2006-02-26 Roger Sayle <roger@eyesopen.com>
9752 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9753 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9754 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9757 2006-02-26 Roger Sayle <roger@eyesopen.com>
9760 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9762 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9764 * opts.c (decode_options): Do not handle flag_strength_reduce.
9765 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9766 and OPT_fstrength_reduce.
9767 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9768 flag_prefetch_loop_arrays for being nonzero.
9769 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9771 (fprefetch-loop-arrays-rtl): Removed.
9772 (flag_prefetch_loop_arrays): Do not specify the value.
9774 * doc/passes.texi: Update documentation of loop optimizer
9776 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9777 -frerun-loop-opt): Remove.
9779 2006-02-26 Richard Guenther <rguenther@suse.de>
9781 PR tree-optimization/26421
9782 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9783 in function calls that are ADDR_EXPRs as using the whole structure.
9785 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9787 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9788 * tree-pass.h (pass_loop_optimize): Remove.
9789 * passes.c (pass_loop_optimize): Never run it.
9790 * toplev.c (backend_init): Don't call init_loop.
9791 * opts.c (flag_loop_optimize_set): Remove.
9792 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9793 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9794 the old RTL loop optimizer when profiling enabled.
9795 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9796 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9797 pre-headers for the sake of the old RTL loop optimizer.
9798 * Makefile.in: Remove all references to loop.o.
9800 * doc/invoke.texi: Remove all references to -floop-optimize
9801 and -frerun-loop-opt.
9803 2006-02-26 Zack Weinberg <zackw@panix.com>
9805 * doc/md.texi (Machine Constraints): Refer to all files with paths
9806 relative to gcc directory (i.e. config/CPU/file). Add missing
9807 @table @code ... @end table to M32C subsection.
9809 2006-02-26 Roger Sayle <roger@eyesopen.com>
9811 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9813 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9815 2006-02-26 Roger Sayle <roger@eyesopen.com>
9816 James A. Morrison <phython@gcc.gnu.org>
9819 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9820 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9821 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9822 signedness of the shift operation.
9824 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9826 PR tree-optimization/26359
9827 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9829 2006-02-25 Roger Sayle <roger@eyesopen.com>
9831 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9832 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9833 as X == 0, and some symmetry related transformations.
9834 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9836 2006-02-25 Roger Sayle <roger@eyesopen.com>
9839 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9840 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9841 symmetry related transformations. Fold (X^C1) == C2 as
9844 2006-02-25 Juergen Weigert <jw@suse.de>
9845 Richard Guenther <rguenther@suse.de>
9847 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9849 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9851 * combine.c (gen_lowpart_or_truncate): Call
9852 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9854 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9856 * doc/invoke.texi: Move -fopenmp description to "Options for
9858 Remove reference to -lgomp.
9860 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9862 * doc/install.texi: Require GNU tar version 1.14.
9864 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9866 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9867 * doc/invoke.texi (C++ Dialect Options): Document
9868 -fno-use-cxa-get-exception-ptr.
9869 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9870 * configure: Regenerate.
9871 * c.opt (fuse-cxa-get-exception-ptr): New.
9872 * c-opts.c (c_common_handle_option): Handle
9873 OPT_fuse_cxa_get_exception_ptr.
9874 * c-common.c (flag_use_cxa_atexit): Update documentation.
9875 (flag_use_cxa_get_exception_ptr): New.
9876 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9877 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9879 (C_COMMON_OVERRIDE_OPTIONS): New.
9881 2006-02-24 Roger Sayle <roger@eyesopen.com>
9884 * combine.c (try_combine): Explicitly check whether GET_CODE is
9885 a SET or a CLOBBER, instead on checking that it isn't a USE.
9887 2006-02-24 Roger Sayle <roger@eyesopen.com>
9889 * fold-const.c (fold_comparison): New subroutine of fold_binary
9890 containing transformations common to both the equality and
9891 ordering relational operators, factored out of fold_binary.
9892 (fold_binary): Separate out the equality operators (EQ_EXPR
9893 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9894 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9895 transformations common to both.
9896 (fold_div_compare): Fix latent bugs in the previously unreachable
9897 LT_EXPR and GE_EXPR cases.
9899 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9901 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9902 decl libname for clog to __clog on AIX.
9904 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9906 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9909 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9910 output traceback table for thunks. Localise rs6000_stack_info call.
9912 2006-02-23 Roger Sayle <roger@eyesopen.com>
9913 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9915 * gthr-posix.h (__gthrw): Fix typo in comment.
9917 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9919 * doc/cpp.texi (Character sets): Document that we do support
9920 input files to be in any character set.
9922 2006-02-23 Jeff Law <law@redhat.com>
9924 * tree.h (PHI_ARG_NONZERO): Remove.
9925 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9926 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9927 node to the new node.
9929 PR tree-optimization/26425
9930 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9931 min/max, then assume its varying.
9933 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9935 PR rtl-optimization/26316
9936 * rtlanal.c (enum may_trap_p_flags): New.
9937 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9938 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9939 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9940 (may_trap_after_code_motion_p): New function.
9941 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9942 (find_invariant_insn): Use may_trap_after_code_motion_p.
9943 * rtl.h (may_trap_after_code_motion_p): Declare.
9945 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9947 * emit-rtl.c (immed_double_const): Cleanup.
9949 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9951 Fix PR tree-optimization/26376
9952 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
9955 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9958 * gimplify.c (omp_add_variable): Guard variable size decl test with
9959 DECL_SIZE (decl) check.
9961 2006-02-23 Richard Guenther <rguenther@suse.de>
9964 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
9965 like aggregate types.
9967 2006-02-23 Jakub Jelinek <jakub@redhat.com>
9969 * configure.ac: Add --with{,out}-long-double-128 configure option.
9970 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
9971 * configure: Rebuilt.
9972 * config.in: Rebuilt.
9973 * doc/install.texi (Options specification): Document
9974 --with-long-double-128.
9976 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9977 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9978 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
9979 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
9981 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
9983 * config/s390/s390.c (override_options): Handle
9984 TARGET_DEFAULT_LONG_DOUBLE_128.
9986 * config/alpha/alpha.c (override_options): Handle
9987 TARGET_DEFAULT_LONG_DOUBLE_128.
9989 * config/sparc/sparc.c (sparc_override_options): Handle
9990 TARGET_DEFAULT_LONG_DOUBLE_128.
9992 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
9994 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
9995 (real-install-headers-tar, real-install-headers-cpio)
9996 (real-install-headers-cp): New targets.
9998 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10000 * tree.h (variable_section): Delete.
10001 * varasm.c (variable_section): Delete.
10003 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10005 * install.texi: Add notes on install.texi2html.
10006 (Building in parallel): Do not use footnotes.
10008 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10011 * doc/install.texi (Configuration): Document --disable-libgomp.
10013 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10015 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10017 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10019 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10020 (vec_extractv2df_0_sse): New.
10022 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10024 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10025 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10026 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10027 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10028 to the result of the expression.
10029 (def_cfa_1): Adjust.
10030 (frame_pointer_cfa_offset): Rename to...
10031 (frame_pointer_fb_offset): ... this. Adjust all uses.
10032 (convert_cfa_to_loc_list): Rename to...
10033 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10034 Pass it on to build_cfa_loc.
10035 (compute_frame_pointer_to_cfa_displacement): Rename to...
10036 (compute_frame_pointer_to_fb_displacement): ... this. New
10037 offset parameter. Use it in computation.
10038 (gen_subprogram_die): Compute cfa_fb_offset with the new
10039 macro, and use it to compute the fb loc list and the
10042 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10044 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10045 replaced with register_operand.
10046 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10047 non-DREG is expensive.
10048 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10049 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10052 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10054 * doc/install.texi2html: Use set -e.
10056 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10058 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10059 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10060 * doc/invoke.texi (-fshared-data): Delete.
10061 * common.opt (fshared-data): Delete.
10062 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10063 (assemble_static_space): Remove #if 0 code.
10064 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10065 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10066 * config/cris/cris.h: Remove FIXME.
10068 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10070 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10073 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10075 PR middle-end/26379
10076 * combine.c (simplify_shift_const_1): Disable nested shifts
10077 optimization for vector shifts.
10079 2006-02-20 Roger Sayle <roger@eyesopen.com>
10081 PR tree-optimization/26361
10082 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10083 of unsigned integer types.
10085 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10087 * tree-chrec.c (eq_evolutions_p): New.
10088 * tree-chrec.h (eq_evolutions_p): Declared.
10089 * tree-data-ref.c: Fix formatting.
10090 (datadep_stats, dependence_stats): New.
10092 (print_direction_vector): New.
10093 (dump_data_dependence_relation): Use print_direction_vector.
10094 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10095 (compute_subscript_distance): Static.
10096 (initialize_data_dependence_relation): Static. Get the number
10097 of loops surrounding the references from the callers, and initialize
10098 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10099 base_object_differ_p analyzers.
10100 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10101 compute_overlap_steps_for_affine_1_2,
10102 analyze_subscript_affine_affine): Count the classified dependences.
10103 Print a message when a test failed.
10104 (can_use_analyze_subscript_affine_affine): New.
10105 (analyze_siv_subscript): Compute the data dependences on symbolic
10106 scevs that verify can_use_analyze_subscript_affine_affine.
10107 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10108 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10109 Handle symbolic scevs.
10110 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10112 (subscript_dependence_tester): Moved...
10113 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10114 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10115 DDR_SIZE_VECT instead of getting it in parameter.
10116 (subscript_dependence_tester): ... here. Take as a parameter
10117 loop_nest_depth. Call build_classic_dist_vector and
10118 build_classic_dir_vector.
10119 (compute_affine_dependence): Update subscript_dependence_tester
10120 parameters. Update datadep_stats counters. Call
10121 compute_subscript_distance.
10122 (compute_self_dependence): Save the dist and dir vectors. Call
10123 compute_subscript_distance.
10124 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10125 (compute_all_dependences): Reorder parameters as they were before
10126 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10127 compute_subscript_distance. Update the use of
10128 compute_affine_dependence and initialize_data_dependence_relation.
10129 (find_data_references_in_loop): Handle COMPONENT_REF.
10130 (compute_data_dependences_for_loop): Initialize dependence_stats.
10131 Don't call build_classic_dist_vector and build_classic_dir_vector.
10132 Update the parameters of initialize_data_dependence_relation and
10133 compute_all_dependences. Print the statistics from datadep_stats.
10134 (analyze_all_data_dependences): Static. Not used until the pass for
10135 checking the data dependences is contributed.
10136 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10137 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10138 (initialize_data_dependence_relation, compute_affine_dependence,
10139 analyze_all_data_dependences, compute_subscript_distance): Removed.
10140 (print_direction_vector): New.
10141 * lambda.h (gcd): ... here.
10142 (lambda_vector_gcd): Moved here from gcd_vector.
10143 * lambda-code.c (gcd, gcd_vector): Removed.
10144 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10145 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10147 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10149 * ipa-type-escape.c: Tidy some comments and white space.
10150 * tree-ssa-operands.c: Likewise.
10152 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10155 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10156 (dump_decl_name): Do not walk the decl tree chains.
10157 * tree-pass.h (TDF_CHAIN): Remove.
10159 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10161 * Makefile.in (C): Remove
10163 (.PHONY): Remove C and PROTO
10165 2006-02-20 Roger Sayle <roger@eyesopen.com>
10167 PR middle-end/26236
10168 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10169 deprecated CHAR_TYPE tree code.
10171 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10173 * configure.ac (target_list): Add install-info, dvi, html.
10174 * configure: Regenerate.
10176 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10177 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10178 treelang/Make-lang.in: Do not use double-colon rules.
10180 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10182 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10183 (TMT_USED_ALONE): New macro.
10184 * tree-pass.h (PROP_tmt_usage): New property.
10185 (TODO_update_tmt_usage): New todo.
10186 * tree-ssa-alias.c (updating_used_alone): New variable.
10187 (recalculate_used_alone): New function.
10188 (compute_may_aliases): Set updating_used_alone, call
10189 recalculate_used_alone.
10190 * tree-sra.c (pass_sra): Note that this pass destroys
10191 PROP_tmt_usage, and add TODO_update_tmt_usage.
10192 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10193 * tree-flow.h (updating_used_alone): Prototype.
10194 (recalculate_used_alone): Ditto.
10195 * passes.c (execute_todo): Add code to set updating_used_alone,
10196 and call recalculate.
10197 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10198 for clobber if used alone, and add assert to verify used_alone
10201 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10203 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10204 for non tls symbols added.
10205 (legitimize_address): Do nothing for PLUS expressions if one of the
10206 addends is a tls symbol reference.
10208 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10212 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10214 * Makefile.in (BOOTSTRAPPING): New.
10215 (quickstrap): New definition if BOOTSTRAPPING=yes.
10217 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10218 * configure.ac: Substitute all_selected_languages with the languages
10219 that were configured. For all the other variables except
10220 lang_specs_files, include all the languages in the tree.
10221 * configure: Regenerate.
10223 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10224 if there is one. Run the commands to run fixincludes in the same
10227 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10228 * doc/install.texi: Document exact conventions for searching target tools.
10229 Document --with-build-time-tools. Document toplevel bootstrap. Document
10230 something more about building an Ada cross-compiler. Don't list GNU Make
10231 requirements which affect all platforms.
10233 2006-02-19 Roger Sayle <roger@eyesopen.com>
10235 PR middle-end/19543
10236 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10237 only equivalent if the have both the same mode and precision.
10239 2006-02-20 Ben Elliston <bje@au.ibm.com>
10241 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10243 2006-02-19 Roger Sayle <roger@eyesopen.com>
10244 Steven Bosscher <stevenb.gcc@gmail.com>
10246 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10247 constant pool references to identify stack mode constants.
10248 * rtlanal.c (constant_pool_constant_p): New predicate to check
10249 whether operand is a floating point constant in the pool.
10250 * rtl.h (constant_pool_constant_p): Prototype here.
10251 * loop.c (scan_loop): Avoid hoisting constants from the constant
10252 pool on STACK_REGS targets.
10253 (load_mems): Likewise.
10254 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10255 loads into x87 registers expensive in terms of register pressure.
10257 2006-02-19 Roger Sayle <roger@eyesopen.com>
10259 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10260 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10262 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10264 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10265 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10267 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10269 * doc/invoke.texi: Document -fipa-pta.
10270 * common.opt: Add ipa-pta option.
10271 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10272 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10273 (do_ds_constraint): Ditto.
10274 (get_constraint_for): Only add to referenced_vars if
10275 referenced_vars exists.
10276 (insert_into_field_list): Rewrite to do this unsorted.
10277 (insert_into_field_list_sorted): Rename old insert_into_field_list
10279 (create_function_info_for): Use insert_into_field_list_sorted.
10280 (create_variable_info_for): Rewrite so it uses unsorted version,
10281 since the field list is sorted.
10282 (intra_create_variable_infos): Only add to referenced_vars if
10283 referenced_vars exists.
10284 (ipa_pta_execute): Init heapvars, and delete when done.
10285 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10287 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10289 * doc/install.texi: Add missing `@samp'.
10291 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10293 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10296 2006-02-18 Mark Wielaard <mark@klomp.org>
10298 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10299 who added new 4.1 features, bug fixes and integration support.
10301 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10304 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10305 MEM for ABI_V4 pic.
10307 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10309 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10310 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10311 (copy_insn_1): Likewise. Don't copy each field individually.
10313 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10315 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10316 * rtl.c (rtx_size): Rename variable to...
10317 (rtx_code_size): ...this.
10318 (rtx_size): New function.
10319 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10320 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10322 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10323 * rtl.h (rtx_code_size): New variable.
10324 (rtx_size): Change from a variable to a function.
10325 (RTX_SIZE): Rename to...
10326 (RTX_CODE_SIZE): ...this.
10329 PR tree-optimization/17106
10330 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10331 (Anchored Addresses): New section.
10332 * doc/invoke.texi (-fsection-anchors): Document.
10333 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10334 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10335 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10336 * hooks.c (hook_bool_mode_rtx_false): New function.
10337 * hooks.h (hook_bool_mode_rtx_false): Declare.
10338 * gengtype.c (create_optional_field): New function.
10339 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10340 SYMBOL_REF_IN_BLOCK_P is true.
10341 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10342 (min_anchor_offset, max_anchor_offset): Likewise.
10343 (use_anchors_for_symbol_p): New hook.
10344 * toplev.c (compile_file): Call output_object_blocks.
10345 (target_supports_section_anchors_p): New function.
10346 (process_options): Check that -fsection-anchors is only used on
10347 targets that support it and when -funit-at-a-time is in effect.
10348 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10349 if the decl doesn't have one.
10350 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10351 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10352 of force_const_mem through use_anchored_address.
10353 (expand_expr_constant): New function.
10354 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10355 calling expand_expr for INDIRECT_REF.
10356 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10357 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10358 * expr.h (use_anchored_address): Declare.
10359 * loop-unroll.c: Don't declare rtx vectors here.
10360 * explow.c: Include output.h.
10361 (validize_mem): Call use_anchored_address.
10362 (use_anchored_address): New function.
10363 * common.opt (-fsection-anchors): New switch.
10364 * varasm.c (object_block_htab, anchor_labelno): New variables.
10365 (hash_section, object_block_entry_eq, object_block_entry_hash)
10366 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10367 (use_blocks_for_decl_p, change_symbol_section): New functions.
10368 (get_variable_section): New function, split out from assemble_variable.
10369 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10370 use_blocks_for_decl_p say so. Use change_symbol_section if the
10371 symbol has already been created.
10372 (assemble_variable_contents): New function, split out from...
10373 (assemble_variable): ...here. Don't output any code for
10374 block symbols; just pass them to place_block_symbol.
10375 Use get_variable_section and assemble_variable_contents.
10376 (get_constant_alignment, get_constant_section, get_constant_size): New
10377 functions, split from output_constant_def_contents.
10378 (build_constant_desc): Create a block symbol if use_object_blocks_p
10379 says so. Or into SYMBOL_REF_FLAGS.
10380 (assemble_constant_contents): New function, split from...
10381 (output_constant_def_contents): ...here. Don't output any code
10382 for block symbols; just pass them to place_section_symbol.
10383 Use get_constant_section and get_constant_alignment.
10384 (force_const_mem): Create a block symbol if use_object_blocks_p and
10385 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10386 (output_constant_pool_1): Add an explicit alignment argument.
10387 Don't switch sections here.
10388 (output_constant_pool): Adjust call to output_constant_pool_1.
10389 Switch sections here instead. Don't output anything for block symbols;
10390 just pass them to place_block_symbol.
10391 (init_varasm_once): Initialize object_block_htab.
10392 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10393 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10394 (place_block_symbol, get_section_anchor, output_object_block)
10395 (output_object_block_htab, output_object_blocks): New functions.
10396 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10397 (TARGET_ASM_OUT): Include it.
10398 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10399 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10400 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10401 (TARGET_INITIALIZER): Include them.
10402 * rtl.c (rtl_check_failed_block_symbol): New function.
10403 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10404 (block_symbol, object_block): New structures.
10405 (rtx_def): Add a block_symbol field to the union.
10406 (BLOCK_SYMBOL_CHECK): New macro.
10407 (rtl_check_failed_block_symbol): Declare.
10408 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10409 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10410 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10411 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10412 * output.h (output_section_symbols): Declare.
10413 (object_block): Name structure.
10414 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10415 (default_use_anchors_for_symbol_p): Declare.
10416 * Makefile.in (RTL_BASE_H): Add vec.h.
10417 (explow.o): Depend on output.h.
10418 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10419 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10420 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10421 (rs6000_use_blocks_for_constant_p): New function.
10423 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10425 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10427 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10430 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10433 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10435 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10439 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10441 PR middle-end/26334
10442 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10443 instead of DECL_REGISTER.
10445 2006-02-18 Olivier Hainque <hainque@adacore.com>
10448 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10450 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10453 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10454 * opth-gen.awk: Handle Var and InverseMask together.
10455 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10456 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10457 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10458 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10460 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10461 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10462 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10463 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10464 LINUX_DYNAMIC_LINKER): Define.
10465 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10466 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10468 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10469 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10470 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10471 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10472 (TARGET_C99_FUNCTIONS): Don't define.
10473 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10474 GLIBC_DYNAMIC_LINKER.
10475 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10476 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10477 GLIBC_DYNAMIC_LINKER64): Define.
10478 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10479 LINUX_DYNAMIC_LINKER64.
10480 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10481 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10482 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10483 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10484 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10485 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10486 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10487 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10488 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10489 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10490 and LINUX_DYNAMIC_LINKER32.
10491 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10492 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10493 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10494 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10495 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10497 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10498 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10499 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10500 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10501 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10502 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10503 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10504 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10505 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10506 LINUX_DYNAMIC_LINKER): Define.
10507 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10508 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10509 GLIBC_DYNAMIC_LINKER64): Define.
10510 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10511 LINUX_DYNAMIC_LINKER64.
10512 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10513 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10514 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10515 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10516 LINUX_DYNAMIC_LINKER): Define.
10517 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10518 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10519 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10520 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10521 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10522 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10523 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10524 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10525 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10526 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10527 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10528 * doc/invoke.texi (-muclibc): Remove caveat about supported
10531 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10533 * doc/cpp.texi (__TIMESTAMP__): Document.
10535 2006-02-17 Roger Sayle <roger@eyesopen.com>
10537 PR middle-end/25600
10538 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10539 C is one less than the width of X (and related transformations).
10540 * simplify-rtx.c (simplify_unary_operation_1): Transform
10541 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10542 depending on STORE_FLAG_VALUE, were C is one less then the
10545 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10547 Fix PR tree-optimization/26341
10548 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10549 about NAME_MEMORY_TAG's.
10551 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10554 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10555 with hardware float support, and software float support. Add fcpy
10556 alternative to hardware patterns. Add alternatives to copy between
10557 general and floating-point registers to the 32-bit pattern.
10558 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10559 secondary reload to load a QI or HI mode constant into a floating
10561 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10562 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10564 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10567 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10569 (load_macho_picbase_di): Likewise.
10571 2006-02-16 Jeff Law <law@redhat.com>
10573 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10574 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10575 (ssa_name_nonzero_p): Likewise.
10576 (get_value_range): Return NULL if VRP is not running.
10577 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10578 VRP routines do not discover a range.
10579 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10580 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10581 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10582 (tree_expr_nonnegative_p): Similarly.
10583 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10584 (restore_nonzero_vars_to_original_value): Remove.
10585 (unsafe_associative_fp_binop): Remove.
10586 (tree_ssa_dominator_optimize): Remove initialization and
10587 finalization of nonzero_vars and nonzero_vars_stack.
10588 (dom_opt_initialize_block): No longer push marker on
10589 nonzero_vars_stack.
10590 (dom_opt_finalize_block): No longer call
10591 restore_nonzero_vars_to_original_value.
10592 (record_equivalences_from_phis): No longer look for
10593 nonzero PHI arguments.
10594 (cprop_into_successor_phis): No longer propagate nonzero
10595 property into PHI arguments. Lose unused argument. Caller
10597 (record_equivalences_from_stmt): No longer record nonzero
10598 values for SSA_NAMEs.
10599 (lookup_avail_expr): No longer use nonzero_vars.
10601 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10602 for sizetype when sizetype is unsigned.
10604 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10606 PR rtl-optimization/25603
10607 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10608 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10609 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10610 with new meaning of SETS.
10612 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10617 * config/linux.opt: New file.
10618 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10619 LINUX_DYNAMIC_LINKER): Define.
10620 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10621 * config.gcc (*-*-linux*): Define extra_options.
10622 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10623 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10624 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10625 GLIBC_DYNAMIC_LINKER.
10626 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10627 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10628 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10629 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10630 * doc/invoke.texi (GNU/Linux Options): New section.
10632 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10634 * config/sparc/sparc.md (setjmp): Rewrite.
10635 (setjmp_32): Delete.
10636 (setjmp_64): Likewise.
10638 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10640 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10643 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10645 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10648 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10650 PR rtl-optimization/26296
10651 * Makefile.in (loop-invariant.c): Add except.h dependency.
10652 * loop-invariant.c: Include except.h.
10653 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10655 2005-02-16 Paul Brook <paul@codesourcery.com>
10657 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10660 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10662 PR rtl-optimization/25636
10663 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10664 when deciding whether an insn is an initializing insn.
10666 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10668 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10669 (tree_code_size): Ditto.
10670 * tree.h (struct tree_memory_tag): Remove parent_var.
10671 (struct tree_struct_field_tag): New.
10674 (union tree_node): Add sft member.
10675 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10677 (create_sft): Add size and offset argument, set SFT_OFFSET and
10679 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10680 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10681 * tree-flow-inline.h (get_subvar_at): Update for
10682 SFT_OFFSET/SFT_SIZE.
10683 (var_can_have_subvars): Ditto.
10684 (overlap_subvar): Ditto.
10685 * print-tree.c (print_node): Print out interesting things for
10687 * tree-flow.h (struct subvar): Remove offset and size members.
10688 * tree-ssa-operands.c (get_expr_operands): Update for
10689 get_indirect_ref_operands changes.
10690 (get_indirect_ref_operands): Call add_virtual_operand instead of
10691 add_stmt_operand. Only recurse on base var if requested.
10692 (access_can_touch_variable): New function.
10693 (add_stmt_operand): Split virtual operand handling into ...
10694 (add_virtual_operand): Here. Add offset, size, and for_clobber
10695 arguments. Prune alias sets.
10696 (add_call_clobber_ops): Call add_virtual_operand.
10698 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10700 PR middle-end/26300
10701 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10703 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10704 than TREE_CODE as index into omp_clause_num_ops array.
10706 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10708 PR rtl-optimization/26184
10709 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10711 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10712 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10713 must_precede, must_follow and tobe_scheduled.
10716 * opts.c (common_handle_option): Free new_option pointer.
10717 * df-core.c (df_analyze): Free postorder pointer.
10719 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10721 * Makefile.in: Fix the examples about the use of stamps
10723 2006-02-15 Michael Matz <matz@suse.de>
10725 PR middle-end/22275
10727 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10728 influenced by maximum_field_alignment or DECL_PACKED.
10729 (update_alignment_for_field): Ditto.
10730 (place_field): Ditto.
10731 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10734 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10736 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10737 (debug_flow_info): Pass it.
10738 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10739 * bb-reorder.c (reorder_basic_blocks): Likewise.
10740 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10741 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10742 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10743 * gcse.c (gcse_main, bypass_jumps): Likewise.
10744 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10745 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10746 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10747 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10748 * rtl.h (dump_flow_info): Adjust prototype.
10749 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10750 * var-tracking.c (variable_tracking_main): Likewise.
10751 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10752 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10755 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10757 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10760 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10762 PR tree-optimization/26209
10763 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10764 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10766 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10768 2006-02-14 Roger Sayle <roger@eyesopen.com>
10770 PR middle-end/23670
10771 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10772 (X,Y) and the corresponding symmetry related transformations.
10773 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10774 (X,Y) and its symmetry related transformations.
10776 2006-02-14 Roger Sayle <roger@eyesopen.com>
10778 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10781 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10783 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10785 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10788 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10789 support COMDAT group.
10790 * configure: Regenerate.
10792 2006-02-14 Roger Sayle <roger@eyesopen.com>
10794 PR middle-end/26279
10795 PR middle-end/26280
10796 PR middle-end/26283
10797 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10799 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10801 Fix PR tree-optimization/26260
10803 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10805 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10806 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10807 * tree-ssa-structalias.c (create_variable_info_for): Use
10808 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10810 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10812 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10814 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10815 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10816 of the ending condition.
10817 * tree-ssa-loop-manip.c: Include params.h.
10818 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10819 tree_unroll_loop): New functions.
10820 * tree-pass.h (pass_loop_prefetch): Declare.
10821 * loop.c (rest_of_handle_loop_optimize): Test for
10822 -fprefetch-loop-arrays-rtl.
10823 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10824 * timevar.def (TV_TREE_PREFETCH): New timevar.
10825 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10826 pass_loop_prefetch): New.
10827 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10828 (cleanup_tree_cfg_loop): Call scev_reset.
10829 * common.opt (fprefetch-loop-arrays-rtl): Add.
10830 * tree-ssa-loop-prefetch.c: New file.
10831 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10832 (new_temp_expr_table): Initialize expr_vars.
10833 (free_temp_expr_table): Cleanup expr_vars.
10834 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10835 expressions from being merged into one.
10836 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10837 (struct tree_niter_desc): Add control, bound and cmp fields.
10838 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10840 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10841 (tree-cfgcleanup.o): Add SCEV_H dependency.
10842 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10843 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10845 2006-02-14 Richard Guenther <rguenther@suse.de>
10847 PR tree-optimization/26258
10848 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10849 in PHI argument processing.
10851 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10853 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10854 new expression in the requested machine mode.
10856 2006-02-13 Roger Sayle <roger@eyesopen.com>
10858 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10859 directly, instead let do_compare_rtx_and_jump handle this for us.
10860 * expr.c (expand_expr_real_1): Likewise.
10861 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10862 before do_jump_by_parts_greater.
10863 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10864 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10866 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10868 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10870 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10872 PR rtl-optimization/26235
10873 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10874 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10877 2006-02-13 Jeff Law <law@redhat.com>
10879 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10882 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10884 PR middle-end/26092
10885 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10886 twice if decl is a builtin. When trying again, call get_callee_fndecl
10887 first to verify it is still a builtin.
10889 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10891 * dwarf2out.c (base_type_die): Don't add AT_name here.
10892 (subrange_type_die): Don't add AT_name here.
10893 (modified_type_die): Rearrange code flow. Do add AT_name here.
10895 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10897 PR rtl-optimization/26247
10898 PR rtl-optimization/26248
10899 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10901 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10903 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10904 * config/fixtfdi.c: Likewise.
10905 * config/fixunstfdi.c: Likewise.
10906 * config/floatditf.c: Likewise.
10908 2006-02-13 Roger Sayle <roger@eyesopen.com>
10910 PR middle-end/24427
10911 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10912 into (X,C2) if C1 is a subset of the bits of C2. Transform
10913 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10915 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10917 2006-02-13 Josh Conner <jconner@apple.com>
10920 * varasm.c (function_section): Check for section name before
10921 calling select_section on targets that define
10922 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10923 unlikely_text_section instead of hot_function_section if
10924 first_function_block_is_cold.
10926 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10928 PR middle-end/25335
10929 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10931 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10933 PR rtl-optimization/26222
10934 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10935 after tree->rtl expansion.
10936 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10937 before passing it to emit_move_insn.
10939 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10941 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10943 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10944 Clarify documentation.
10945 * c-common.h (warn_write_strings): Remove.
10946 * c-common.c (warn_write_strings): Likewise.
10947 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10950 2006-02-12 Roger Sayle <roger@eyesopen.com>
10952 PR middle-end/25724
10953 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10954 (do_jump_parts_zero_rtx): New function renamed from
10955 do_jump_parts_equality_rtx. Made static. Add a mode argument.
10956 (do_jump_parts_equality_rtx): New function split out from
10957 do_jump_parts_equality. Old implementation renamed as above.
10958 Call do_jump_parts_zero_rtx if either operand is zero.
10959 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
10960 do all of the heavy lifting.
10961 (do_compare_rtx_and_jump): Handle multi-word comparisons by
10962 calling either do_jump_by_parts_greater_rtx or
10963 do_jump_by_parts_equality_rtx.
10964 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
10965 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
10966 moved to do_compare_rtx_and_jump, call it directly.
10967 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
10968 mode argument. Call do_compare_rtx_and_jump.
10969 (emit_case_nodes): Update calls to do_jump_if_equal.
10971 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10973 PR rtl-optimization/26225
10974 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
10976 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10978 PR rtl-optimization/26232
10979 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
10981 2006-02-11 Jason Merrill <jason@redhat.com>
10984 * tree-inline.c (declare_return_variable): Just don't use the
10985 modify target if it's a gimple complex reg and the return slot
10988 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
10990 * doc/contrib.texi: Update my entry.
10992 2006-02-10 Geoffrey Keating <geoffk@apple.com>
10994 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
10996 2006-02-10 Diego Novillo <dnovillo@redhat.com>
10998 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11001 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11003 * doc/invoke.texi (-floop-optimize2): Removed.
11004 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11005 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11006 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11007 * common.opt (floop-optimize2): Removed.
11008 (fmove-loop-invariants): Enabled by default.
11010 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11012 * tree-if-conv.c (combine_blocks): Free the result of
11013 get_loop_exit_edges.
11015 2006-02-10 Jeff Law <law@redhat.com>
11017 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11019 PR tree-optimization/26213
11020 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11021 loop trying to follow SSA_NAME_VALUE chains.
11023 2006-02-10 Richard Guenther <rguenther@suse.de>
11025 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11026 deal with structures that end in implicitly variable sized arrays.
11028 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11030 PR rtl-optimization/24762
11031 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11034 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11036 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11037 (struct ivopts_data): Add regs_used field.
11038 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11039 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11040 instead of loop_data->regs_used;
11041 (free_loop_data): Do not free aux fields for loops.
11042 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11043 and tree_ssa_iv_optimize_finalize.
11045 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11047 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11049 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11052 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11053 computing the effective result type.
11055 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11057 PR inline-asm/16194
11058 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11059 (tree_overlaps_hard_reg_set): Declare.
11060 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11061 type and signature to match function type expected by walk_tree.
11062 (tree_overlaps_hard_reg_set): New function.
11063 (decl_conflicts_with_clobbers_p): Rename to:
11064 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11065 Use tree_overlaps_hard_reg_set. Changed caller.
11066 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11067 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11068 * cris.c (cris_md_asm_clobbers): Likewise.
11070 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11072 * reload1.c (emit_input_reload_insns): Delete code that tries to
11073 inherit using find_equiv_reg.
11075 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11077 * c-common.h (flag_const_strings): Don't declare.
11078 * c-common.c (flag_const_strings): Remove.
11079 * c.opt (fconst_strings): Remove.
11080 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11081 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11082 (c_common_init_options): Don't set flag_const_strings.
11083 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11085 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11087 * arm.md (tlobits_cbranch): New pattern.
11088 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11089 testing a single bit.
11091 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11094 * tree-ssa-pre.c (create_component_ref_by_pieces):
11095 Handle RETURN_DECL like VAR_DECL.
11097 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11099 PR middle-end/26134
11100 * fold-const.c (fold_indirect_ref_1): Fold
11101 "*(foo *)&complexfoo" to "__real__ complexfoo"
11102 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11104 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11106 * tree-flow-inline.h (var_can_have_subvars):
11107 Volatile variables should not have subvariables.
11109 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11112 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11113 multiplying unsigned values.
11116 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11118 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11120 2006-02-08 Jason Merrill <jason@redhat.com>
11123 * tree.def: Elaborate on difference from MODIFY_EXPR.
11124 * doc/c-tree.texi (INIT_EXPR): Likewise.
11125 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11126 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11127 (gimplify_target_expr): Likewise.
11128 (gimplify_cond_expr): Remove target handling.
11129 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11130 (gimplify_expr): Clobber it here.
11131 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11132 Do return slot optimization if we have an INIT_EXPR.
11135 * tree-inline.c (declare_return_variable): Also clear
11136 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11139 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11141 PR middle-end/22439
11142 * gimplify.c (gimplify_one_sizepos): Fix typo.
11144 2006-02-08 Jeff Law <law@redhat.com>
11146 PR tree-optimization/21417
11147 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11148 across a backedge if the control statement at the end of the
11149 block is data dependent on other statements in the same block.
11150 (record_temporary_equivalences_from_stmts): Remove over-conservative
11151 test for threading across backedges.
11153 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11154 control statement, handle all three special cases in the same
11155 manner as they all have the same desired solution. No longer
11156 special case edge flag updating when the post dominator is
11159 2006-02-08 Roger Sayle <roger@eyesopen.com>
11161 * tree.def (CHAR_TYPE): Remove.
11162 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11163 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11164 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11165 (gen_string_type_die): Delete unreachable function.
11167 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11168 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11169 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11170 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11171 * builtins.c (type_to_class): Likewise.
11172 * fold-const.c (fold_convert, build_range_check,
11173 merge_ranges): Likewise.
11174 * expr.c (count_type_elements): Likewise.
11175 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11176 * stor-layout.c (layout_type): Likewise.
11177 * ipa-type-escape.c (type_to_consider): Likewise.
11178 * gimplify.c (omp_firstprivatize_type_sizes,
11179 gimplify_type_sizes): Likewise.
11180 * explow.c (promote_mode): Likewise.
11181 * tree-sra.c (is_sra_scalar_type): Likewise.
11182 * varasm.c (output_constant): Likewise.
11183 * tree-inline.c (remap_type_1): Likewise.
11184 * convert.c (convert_to_pointer, convert_to_real,
11185 convert_to_integer, convert_to_complex): Likewise.
11187 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11189 * df-scan.c (df_def_record_1): A set destination may
11190 be a parallel regardless of mode.
11192 2006-02-08 Roger Sayle <roger@eyesopen.com>
11195 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11196 * config/mips/_tilib.c: Remove.
11197 * config/fixtfdi.c: New libgcc source file.
11198 * config/fixunstfdi.c: New source file.
11199 * config/floatditf.c: New source file.
11200 * config/floatunditf.c: New souce file.
11201 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11202 files above instead of config/mips/_tilib.c.
11203 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11205 2006-02-08 Jeff Law <law@redhat.com>
11207 PR tree-optimization/26169
11208 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11211 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11213 * df.h (DF_REG_SIZE): Return the length of the initialized
11216 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11218 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11219 __muldf3): Return a correctly signed zero.
11221 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11223 * passes.c (register_one_dump_file): Accept the current properties
11224 instead of pass number. Adjust call to dump_register. Remove
11226 (register_dump_files): Now a wrapper around...
11227 (register_dump_files_1): ... this one. Do not modify the pass
11229 (next_pass_1): Cosmetic fix.
11230 (execute_todo): Keep second parameter only. Use curr_properties
11231 instead of fetching it from the pass structure. Check and set
11233 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11234 instead of fetching it from the pass structure. Fix calls to
11235 execute_todo. Update curr_properties and initialize .vcg RTL dump
11236 after running the pass. Reset last_verified.
11237 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11239 (FIRST_AUTO_NUMBERED_DUMP): New.
11240 (dump_register): Remove "num" parameter, assign it within the
11242 (get_dump_file_name): Modify template for dumps.
11243 * tree-dump.h (dump_register): Adjust prototype.
11244 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11245 (PROP_trees): Add PROP_gimple_lomp.
11246 (TODO_set_props): New.
11247 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11248 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11249 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11251 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11253 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11254 (sparc64-*-linux*): Likewise.
11255 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11256 * config/sparc/t-linux: New file.
11257 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11258 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11259 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11260 -m32 -mlong-double-128.
11262 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11263 * config/alpha/t-linux: New file.
11264 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11266 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11267 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11268 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11269 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11270 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11271 (CPP_ARCH32_SPEC): Remove.
11273 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11275 PR tree-optimization/26145
11276 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11279 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11282 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11283 >= 240000 when generating code for SOM runtime.
11284 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11285 to $$dyncall when generating code for SOM runtime..
11287 2006-02-07 Dirk Mueller <dmueller@suse.com>
11290 * doc/invoke.texi (-Wsequence-point): Update documentation
11291 that -Wsequence-point is implemented for C++ as well.
11293 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11295 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11296 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11297 (LIB_SPEC): Likewise.
11298 * doc/invoke.texi (SPARC options): Document -pthread.
11300 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11302 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11305 2006-02-07 Roger Sayle <roger@eyesopen.com>
11307 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11308 Correct comment describing BOOLEAN_TYPE.
11310 2006-02-07 Dirk Mueller <dmueller@suse.com>
11312 * c.opt: C++ frontend supports -Wdiv-by-zero.
11313 * c-opts.c (c_common_handle_option): Remove dead case.
11315 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11317 * configure.ac (TLS assembler check): Do not enable TLS by
11318 default on SPARC/Solaris before version 10.
11319 * configure: Regenerate.
11321 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11323 * doc/invoke.texi (xl-compat): Document conversion and support
11326 2006-02-07 Jeff Law <law@redhat.com>
11328 * tree-vrp.c (find_conditional_asserts): Update comments.
11329 (simplify_stmt_for_jump_threading): New.
11330 (identify_jump_threads, finalize_jump_threads): New.
11331 (vrp_finalize): Call identify_jump_threads.
11332 (execute_vrp): Call finalize_jump_threads.
11333 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11334 (vrp_element, vrp_data, vrp_element_p): Remove.
11335 (vrp_hash_elt, vrp_variables_stack): Remove.
11336 (vrp_hash, vrp_eq, record_range): Remove.
11337 (simplify_cond_and_lookup_avail_expr): Remove.
11338 (extract_range_from_cond): Remove.
11339 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11340 (simplify_stmt_for_jump_threading): New.
11341 (dom_thread_across_edge): New wrapper.
11342 (tree_ssa_dominator_optimize): No longer initialize or
11343 finalize any of the VRP datastructures. Remove iteration
11344 step and simplify as a result of removal of iteration step.
11345 (pass_dominator): Perform a cfg cleanup after DOM.
11346 (dom_opt_finalize_block): Use the new common routines
11347 for threading jumps. Simplify stack management slightly.
11348 No longer need to unwind VRP state.
11349 (record_equivalences_from_incoming_edge): No longer record
11351 (eliminate_redundant_computations): No longer call
11352 simplify_cond_and_lookup_avail_expr.
11353 * tree-flow.h (potentially_threadable_block): Prototype.
11354 (thread_across_edge): Likewise.
11355 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11356 (tree-ssa-threadedge.o): Add dependencies.
11357 * tree-ssa-threadedge.c: New file.
11358 * passes.c (init_optimization_passes): Merge PHIs before
11359 calling VRP. Run VRP again late in the SSA optimization pipeline.
11361 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11363 * df-core.c (df_set_blocks): Do not dereference function pointers.
11364 (df_finish1): Likewise.
11365 (df_hybrid_search_forward): Likewise.
11366 (df_hybrid_search_backward): Likewise.
11367 (df_iterative_dataflow): Likewise.
11368 (df_analyze_problem): Likewise.
11369 (df_compact_blocks): Likewise.
11370 (df_dump): Likewise.
11371 * df-scan.c (df_rescan_blocks): Likewise.
11372 (df_record_entry_block_defs): Likewise.
11374 * genconditions.c (write_conditions): Guard the definition of
11375 'insn_conditions' with the check on GCC version.
11376 (write_writer): Guard the traversal 'insn_conditions' with
11377 the check on GCC version.
11379 2006-02-07 Richard Guenther <rguenther@suse.de>
11383 2006-01-30 Richard Guenther <rguenther@suse.de>
11385 * gimplify.c (gimplify_target_expr): Handle easy cases
11386 without creating a temporary.
11388 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11390 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11391 use of float in probability computations. Use edge probabilities
11392 in place of statically computed probabilities.
11393 (min_spec_prob): New static variable.
11394 (schedule_insns): Initialize it.
11395 (GET_SRC_PROB): Removed.
11396 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11398 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11401 * config/ia64/unwind-ia64.c: Revert last change.
11402 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11403 (INCOMING_FRAME_SP_OFFSET): Define.
11405 2006-02-06 Roger Sayle <roger@eyesopen.com>
11407 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11409 2006-02-07 Ben Elliston <bje@au.ibm.com>
11411 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11412 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11413 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11414 (ix86_return_in_memory): Handle TDmode.
11415 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11416 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11418 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11420 * reorg.c (dbr_schedule): Use dump_file instead of file.
11422 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11425 * config/ia64/predicates.md (extr_len_operand): New predicate.
11426 * config/ia64/ia64.md (extv): Tighten constraints.
11428 (*tbit_and_2): Ditto.
11429 (*tbit_and_3): Ditto.
11430 (*tbit_or_2): Ditto.
11431 (*tbit_or_3): Ditto.
11432 (*bit_zero): Ditto.
11435 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11438 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11440 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11442 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11443 loop_optimizer_init and loop_optimizer_finalize
11444 * tree-ssa-sink.c (execute_sink_code): Ditto.
11445 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11446 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11447 tree_ssa_loop_done): Ditto.
11448 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11449 * sched-ebb.c: Include output.h.
11450 (schedule_ebbs): Do not use dump argument.
11451 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11452 * loop.c (loop_dump_stream): Removed.
11453 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11455 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11456 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11457 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11458 loop_iterations, strength_reduce, record_biv, record_giv,
11459 final_giv_value, check_final_value, check_ext_dependent_givs,
11460 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11461 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11462 dump_file instead of loop_dump_stream.
11463 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11464 argument dump_file.
11465 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11467 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11468 * haifa-sched.c: Include output.h
11469 (schedule_insns, sched_init): Do not use dump argument.
11470 * mode-switching.c (optimize_mode_switching): Ditto.
11471 * modulo-sched.c (stats_file): Removed.
11472 (print_node_sched_params): Do not call argument dump_file.
11473 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11474 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11476 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11478 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11479 rtl_loop_init, rtl_loop_done): Ditto.
11480 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11481 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11483 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11484 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11485 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11486 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11487 * emit-rtl.c (renumber_insns): Ditto.
11488 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11489 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11490 * regclass.c (regclass): Ditto.
11491 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11492 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11493 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11494 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11496 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11497 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11499 * gcse.c (gcse_file, debug_stderr): Removed.
11500 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11501 rest_of_handle_gcse): Do not use dump argument.
11502 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11503 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11504 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11505 compute_code_hoist_vbeinout, compute_code_hoist_data,
11506 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11507 compute_store_table, build_store_vectors, insert_insn_start_bb,
11508 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11509 store_motion): Use dump_file instead of gcse_file.
11510 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11511 * profile.c (profile_dump_file): Removed.
11512 (branch_prob): Use dump_file instead of profile_dump_file.
11513 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11515 * tree-ssa-copy.c (dump_copy_of): Ditto.
11516 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11517 dump file to life_analysis.
11518 * bt-load.c (branch_target_load_optimize): Ditto.
11519 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11521 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11522 regclass, dbr_schedule): Declaration changed.
11523 * sched-int.h (sched_init): Declaration changed.
11524 * tree-profile.c (tree_profile_dump_file): Removed.
11525 (tree_profile_hooks): Removed profile_dump_file hook.
11526 * rtl-profile (rtl_profile_dump_file): Removed.
11527 (rtl_profile_hooks): emoved profile_dump_file hook.
11528 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11530 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11531 * tree-cfg.c (build_tree_cfg): Ditto.
11532 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11533 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11534 Declaration changed.
11535 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11536 life_analysis and schedule_insns.
11537 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11539 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11541 * config/mips/mips.c (mips_reorg): Ditto.
11542 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11545 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11547 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11548 (s390_mangle_fundamental_type): New.
11549 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11552 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11553 (alpha_mangle_fundamental_type): New.
11554 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11557 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11559 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11561 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11562 (sparc_mangle_fundamental_type): New.
11564 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11566 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11567 (s390x-*-linux*): Likewise.
11568 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11569 * config/s390/t-linux: New file.
11571 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11573 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11574 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11576 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11578 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11579 (ANTIC_SAFE_LOADS): New macro.
11580 (find_or_generate_expression): Add prototype.
11581 (set_contains_value): Allow null set for sake of not always having
11582 to allocate ANTIC_SAFE_LOADS.
11583 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11584 Allow COMPONENT_REF too.
11585 (valid_in_set): Allow COMPONENT_REF.
11586 Check ANTIC_SAFE_LOADS too.
11587 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11588 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11590 (can_PRE_operation): Add COMPONENT_REF.
11591 (create_component_ref_by_pieces): New function.
11592 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11593 (insert_aux): Move AGGREGATE_TYPE_P check here.
11594 (compute_avail): Set bb local stmt uids.
11595 (pass_pre): Use TODO_update_ssa_only_virtuals.
11597 2006-02-06 Ben Elliston <bje@au.ibm.com>
11599 * configure.ac: Unconditionally disable decimal float by default.
11600 * configure: Regenerate.
11602 2006-02-06 Ben Elliston <bje@au.ibm.com>
11604 * read-rtl.c (read_name): Terminate reading on EOF.
11606 2006-02-06 Ben Elliston <bje@au.ibm.com>
11608 * dfp.c (decimal_real_arithmetic): Change second argument type
11609 from int to enum tree_code. Do not always return true, but now
11610 return result of any call to decimal_do helper functions.
11611 * dfp.h (decimal_real_arithmetic): Update prototype.
11613 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11615 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11617 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11620 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11623 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11625 * tree-vrp.c (cfg_loops): Removed.
11626 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11627 Use current_loops instead of cfg_loops. Pass flags to
11628 loop_optimizer_init.
11629 * cfgloopmanip.c (fix_loop_structure): Update only available
11631 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11632 loop_optimizer_init.
11633 * modulo-sched.c (build_loops_structure): Removed.
11634 (sms_schedule): Use loop_optimizer_init.
11635 * loop-init.c (loop_optimizer_init): Use flags to determine
11636 which properties of loops to prepare.
11637 (rtl_loop_init): Pass flags to loop_optimizer_init.
11638 * tree-ssa-sink.c (execute_sink_code): Ditto.
11639 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11640 * tree-ssa-pre.c (init_pre): Ditto.
11641 * cfgloop.h (LOOPS_NORMAL): New.
11642 (loop_optimizer_init): Declaration changed.
11644 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11646 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11647 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11649 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11651 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11653 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11654 * pa/t-pa64: Delete quadlib.c rule.
11655 * pa/x-ada: Revert last change.
11656 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11658 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11660 PR rtl-optimization/26087
11661 * rtlanal.c (canonicalize_condition): Do not cross basic block
11664 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11667 * config/ia64/ia64.c: Include debug.h.
11668 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11669 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11670 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11671 (process_epilogue, process_set, process_for_unwind_directive):
11672 Output unwind info only if requested. Add CFA info if requested.
11673 Add new arguments as needed. Adjust callers.
11674 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11676 (DWARF2_FRAME_INFO): Define to zero.
11677 * config/ia64/unwind-ia64.c: Remove code that compensated for
11678 the CFA offset error fixed above.
11679 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11680 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11681 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11682 -funwind-tables and -fexceptions to enable frame info.
11683 (dwarf2out_frame_init): Define initial CFA even if
11684 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11685 DWARF2_UNWIND_INFO is nonzero, not just defined.
11686 (dwarf2out_frame_finish): Output non-EH call frame info only
11687 if DWARF2_FRAME_INFO is nonzero.
11688 (convert_cfa_to_loc_list,
11689 compute_frame_pointer_to_cfa_displacement): Define even if
11690 unwind info is not supported.
11691 (gen_subprogram_die): Use the above unconditionally. Remove
11692 legacy alternate code.
11693 * toplev.c (compile_file): Compile in call to
11694 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11695 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11697 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11698 Jakub Jelinek <jakub@redhat.com>
11700 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11701 IBM extended float format long double as "g" on powerpc*-linux.
11703 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11706 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11707 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11709 2006-02-03 Jason Merrill <jason@redhat.com>
11712 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11714 PR middle-end/25977
11715 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11716 on the return slot if it's an NRV.
11718 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11720 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11721 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11722 rewrite_use): Do not handle USE_OUTER.
11723 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11724 add_iv_outer_candidates, may_replace_final_value,
11725 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11726 (find_interesting_uses_op): Functionality of
11727 find_interesting_uses_outer_or_nonlin moved here.
11728 (find_interesting_uses_outside): Use find_interesting_uses_op.
11730 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11733 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11735 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11736 Ulrich Weigand <uweigand@de.ibm.com>
11739 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11740 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11741 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11742 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11744 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11745 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11746 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11747 Define secondary reloads for TFmode moves.
11748 (constant_modes): Add TFmode.
11749 (NR_C_MODES): Set to 8.
11750 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11752 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11753 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11754 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11755 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11756 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11757 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11758 (FPR mode macro): Add TFmode.
11759 (DSF mode macro): New.
11760 (<de>, <dee> mode attributes): Removed.
11761 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11762 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11763 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11764 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11765 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11766 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11767 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11768 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11769 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11770 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11771 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11772 "*negabs<mode>2", "sqrt<mode>2"):
11773 Changed <de> to <xde>. R constraint replaced by <Rf>.
11774 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11776 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11777 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11778 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11780 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11781 "extenddftf2", "extendsftf2"): New expanders.
11782 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11783 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11784 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11785 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11787 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11788 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11789 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11790 __floatditf): Add a GCC_4.1.0 symbol version tag.
11791 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11794 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11797 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11798 Use targetm.binds_local_p instead of TREE_PUBLIC.
11800 2006-02-02 Roger Sayle <roger@eyesopen.com>
11802 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11803 on INTEGER_TYPEs to indicate that it denotes a character type.
11804 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11805 signed_char_type_node, unsigned_char_type_node and char_type_node.
11806 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11807 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11808 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11810 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11811 Daniel Berlin <dberlin@dberlin.org>
11813 * tree-tailcall.c (arg_needs_copy_p): New function.
11814 (eliminate_tail_call): Use arg_needs_copy_p.
11815 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11816 (add_virtual_phis): New function.
11818 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11820 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11821 #ignore instead of #scratch for %g7 .register directive.
11823 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11825 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11828 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11830 * flow.c (calculate_global_regs_live): Assert that there aren't any
11833 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11835 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11836 what its name says.
11837 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11838 bsi_after_labels iterator.
11839 * tree-if-conv.c (find_phi_replacement_condition,
11840 replace_phi_with_cond_modify_expr): Likewise.
11841 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11842 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11844 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11846 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11848 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11851 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11852 array after growing it.
11854 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11856 PR middle-end/24901
11857 * fold-const.c (fold_checksum_tree): Change type of buf.
11859 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11861 * reload.c (push_secondary_reload): Initialize t_icode.
11863 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11865 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11866 -msoft-float -mlong-double-128 only issue a warning, but don't
11867 swich to DFmode long double.
11869 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11871 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11872 has a constant equivalent, iterate over equivalents for arg0,
11873 calling simplify_relational_operation and if there's a result
11874 cheaper than X, apply fold_rtx and return the result.
11876 2006-02-01 Jan Hubicka <jh@suse.cz>
11878 * opts.c (no_unit_at_a_time_default): New global variable.
11879 (decode_options): Use it.
11880 * opts.h (no_unit_at_a_time_default): Declare.
11882 2006-02-01 Paul Brook <paul@codesourcery.com>
11884 * function.c (assign_parm_setup_reg): Use function argument promotion
11886 * expr.c (expand_expr_real_1): Use function argument promotion rules
11889 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11891 * gcc.c (process_command): Change j to 'unsigned int'.
11893 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11895 PR middle-end/26001
11896 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11897 Use the corrected index for the character
11898 out of the string constant.
11900 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11902 * mode-switching.c (optimize_mode_switching): Fix size
11903 allocated for bb_info[n_entities].
11905 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11907 * gcc.c (main): Correct type that is allocated for
11908 explicit_link_files.
11910 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11912 * config/s390/s390.c (init_alignment_context): Set
11913 ALIAS_SET_MEMORY_BARRIER on the MEM.
11914 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11916 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11918 PR middle-end/25933
11919 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11921 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11924 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11926 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11927 * regrename.c: Ditto.
11928 * tree-ssa-loop-im.c: Ditto.
11929 * tree-dump.c: Ditto.
11930 * tree-complex.c: Ditto.
11931 * genrecog.c: Ditto.
11932 * tree-ssa-threadupdate.c: Ditto.
11934 * java/class.c: Ditto.
11935 * java/jcf-parse.c: Ditto.
11936 * java/resource.c: Ditto.
11937 * java/except.c: Ditto.
11938 * java/jvspec.c: Ditto.
11939 * java/jcf-write.c: Ditto.
11940 * java/jcf-path.c: Ditto.
11941 * java/gjavah.c: Ditto.
11942 * java/zextract.c: Ditto.
11943 * java/jcf-io.c: Ditto.
11944 * java/jcf.h: Ditto.
11945 * java/buffer.c: Ditto.
11946 * java/lang.c: Ditto.
11947 * java/parse-scan.y: Ditto.
11948 * java/lex.c: Ditto.
11949 * java/lex.h: Ditto.
11950 * cfgloopmanip.c: Ditto.
11951 * postreload-gcse.c: Ditto.
11952 * tree-ssa-loop-manip.c: Ditto.
11953 * postreload.c: Ditto.
11954 * tree-ssa-loop-ch.c: Ditto.
11957 * cppspec.c: Ditto.
11958 * diagnostic.c: Ditto.
11960 * genoutput.c: Ditto.
11962 * cfghooks.c: Ditto.
11963 * cfgloopanal.c: Ditto.
11964 * objc/objc-act.c: Ditto.
11966 * genextract.c: Ditto.
11967 * genautomata.c: Ditto.
11968 * pretty-print.c: Ditto.
11969 * genemit.c: Ditto.
11970 * cgraphunit.c: Ditto.
11972 * df-scan.c: Ditto.
11973 * haifa-sched.c: Ditto.
11974 * dominance.c: Ditto.
11976 * tree-ssa-loop-ivopts.c: Ditto.
11977 * df-core.c: Ditto.
11978 * mode-switching.c: Ditto.
11979 * modulo-sched.c: Ditto.
11981 * ipa-pure-const.c: Ditto.
11983 * fix-header.c: Ditto.
11985 * tree-stdarg.c: Ditto.
11986 * ipa-utils.c: Ditto.
11987 * loop-init.c: Ditto.
11988 * ipa-inline.c: Ditto.
11989 * cfganal.c: Ditto.
11991 * alloc-pool.c: Ditto.
11992 * dwarf2out.c: Ditto.
11994 * genattrtab.c: Ditto.
11995 * tree-ssa-loop-ivcanon.c: Ditto.
11996 * predict.c: Ditto.
11997 * timevar.c: Ditto.
11999 * fortran/gfortranspec.c: Ditto.
12000 * regmove.c: Ditto.
12001 * local-alloc.c: Ditto.
12002 * langhooks.c: Ditto.
12003 * function.c: Ditto.
12004 * tree-vectorizer.c: Ditto.
12006 * ipa-type-escape.c: Ditto.
12008 * tree-if-conv.c: Ditto.
12009 * profile.c: Ditto.
12011 * tree-data-ref.c: Ditto.
12012 * loop-unroll.c: Ditto.
12013 * treelang/treetree.c: Ditto.
12015 * bt-load.c: Ditto.
12016 * ggc-common.c: Ditto.
12018 * coverage.c: Ditto.
12020 * tree-cfgcleanup.c: Ditto.
12021 * tree-ssa-pre.c: Ditto.
12022 * cfgcleanup.c: Ditto.
12023 * loop-invariant.c: Ditto.
12024 * loop-iv.c: Ditto.
12025 * ipa-prop.c: Ditto.
12026 * print-tree.c: Ditto.
12027 * conflict.c: Ditto.
12028 * ggc-page.c: Ditto.
12029 * sched-deps.c: Ditto.
12030 * regclass.c: Ditto.
12031 * tree-object-size.c: Ditto.
12032 * combine.c: Ditto.
12033 * bb-reorder.c: Ditto.
12034 * resource.c: Ditto.
12035 * var-tracking.c: Ditto.
12036 * cfgloop.c: Ditto.
12037 * df-problems.c: Ditto.
12038 * reg-stack.c: Ditto.
12040 * gccspec.c: Ditto.
12041 * sched-rgn.c: Ditto.
12042 * tree-ssa-structalias.c: Ditto.
12043 * tree-ssa-reassoc.c: Ditto.
12044 * config/darwin-c.c: Ditto.
12045 * config/darwin.c: Ditto.
12046 * config/arm/arm.c: Ditto.
12048 * collect2.c: Ditto.
12049 * reload1.c: Ditto.
12051 2006-01-31 Nicolas Pitre <nico@cam.org>
12053 * arm.md (smaxsi3): Make aware of smax_m1.
12056 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12058 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12060 2006-01-31 Richard Guenther <rguenther@suse.de>
12062 * doc/invoke.texi (-msselibm): Document.
12063 * target.h (expand_library_builtin): New target hook.
12064 * builtins.c (expand_builtin): Use expand_library_builtin.
12065 (default_expand_library_builtin): New function.
12066 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12067 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12068 (link_gcc_math_spec): Declare.
12069 (static_specs): Add link_gcc_math_spec.
12070 * expr.h (default_expand_library_builtin): Declare.
12071 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12072 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12073 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12074 * config/i386/i386.opt (msselibm): New target option.
12075 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12076 (ix86_init_sse_abi_builtins): New function.
12077 (ix86_expand_library_builtin): Likewise.
12078 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12079 (override_options): Handle error conditions wrt -msselibm.
12080 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12081 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12082 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12085 2006-01-31 Richard Guenther <rguenther@suse.de>
12086 Paolo Bonzini <bonzini@gnu.org>
12088 * doc/install.texi (--disable-libgcc-math): Document.
12090 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12092 * expr.h (expand_normal): new inline function.
12093 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12094 * dojump.c: use it.
12095 * dwarf2out.c: use it.
12098 * expmed.c: use it.
12099 * except.c: use it.
12100 * config/sparc/sparc.c: use it.
12101 * config/i386/i386.c: use it.
12102 * config/rs6000/rs6000.c: use it.
12103 * config/arm/arm.c: use it.
12104 * config/mips/mips.c: use it.
12105 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12107 2006-01-30 Roger Sayle <roger@eyesopen.com>
12109 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12110 argv to the appropriate type.
12112 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12114 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12117 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12120 * config/s390/s390.c (struct machine_function): New flag
12121 decomposed_literal_pool_addresses_ok_p.
12122 (s390_reorg): Set it before final stage of literal pool transforms.
12123 (s390_decompose_address): Only accept displacements of the form
12124 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12126 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12128 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12129 the comparison routine return.
12131 2006-01-30 Michael Matz <matz@suse.de>
12133 * global.c (find_reg): Only evict for global regs.
12134 Take n_refs into account and dump more info.
12136 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12139 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12140 (pragma_trap, pragma_nosave_low_regs): Likewise.
12141 (current_function_anonymous_args): Likewise.
12142 (sh_deferred_function_attributes): New variable.
12143 (sh_deferred_function_attributes_tail): Likewise.
12144 (print_operand): For '@', look up trap_exit attribute.
12145 (calc_live_regs): Look up trapa_handler attribute. For trapa
12146 handlers, save/restore fpscr, but don't do any other
12147 interrupt-specific saves.
12148 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12149 Fix check for partially saved registers to check for SHmedia.
12150 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12151 (sh_output_function_epilogue): Don't clear any of the removed
12153 (sh_insert_attributes): Don't check pragma_interrupt.
12154 Insert deferred attributes. Check that interrupt attribute is
12155 present for other attributes that require its presence.
12156 (sh_attribute_table): Add new attributes trapa_handler and
12158 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12159 Don't check for pragma_interrupt. Don't store argument.
12160 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12161 (sh_deferred_function_attributes): Declare.
12162 (sh_deferred_function_attributes_tail): Likewise.
12163 * sh.md (sp_switch_1): Add operand. Change generator caller.
12164 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12165 (*return_i): Don't use when trap_exit attribute is in effect.
12166 (*return_trapa): New insn pattern.
12167 * sh-c.c: New file.
12168 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12169 setting c_target_objs and cxx_target_objs.
12170 * t-sh: Add rule for sh-c.o.
12172 2006-01-30 Richard Guenther <rguenther@suse.de>
12175 * gimplify.c (gimplify_target_expr): Handle easy cases
12176 without creating a temporary.
12178 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12180 * vec.h (safe_grow): Remove duplicated line.
12182 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12185 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12186 (expand_omp): ... here.
12187 (expand_omp_parallel): Only remove barriers for combined
12188 parallel+workshare constructs.
12190 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12194 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12195 * tree.c (build_qualified_type): Chain the new type to the original
12196 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12197 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12198 (build_pointer_type_for_mode): Only return unqualified types.
12199 (build_reference_type_for_mode): Likewise.
12201 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12203 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12204 * Makefile.in (CXX_COMPAT_WARN): Define.
12205 * configure: Regenerate.
12207 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12210 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12213 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12215 * toplev.c: Fix thinko.
12217 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12218 Marcin Dalecki <martin@dalecki.de>
12220 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12221 (push_srcloc): Use XNEW.
12222 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12224 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12226 * df-core.c (df_set_blocks): Deleted all variable.
12228 2006-01-28 Ian Lance Taylor <ian@airs.com>
12230 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12231 cgraph_output_pending_asms.
12233 2006-01-28 Zack Weinberg <zackw@panix.com>
12235 * c.opt: Add -W(no-)overlength-strings.
12236 * doc/invoke.texi: Document it.
12237 * c-opts.c (c_common_handle_option): -pedantic implies
12238 -Woverlength-strings, if not explicitly disabled already.
12239 (c_common_post_options): -Woverlength-strings defaults to off, and
12240 is always off for C++.
12241 * c-common.c (fix_string_type): Issue warning about strings longer
12242 than is portable only if warn_overlength_strings. Rearrange code
12243 a little for clarity.
12244 * configure.in: Check for -Wno-overlength-strings as well before
12245 enabling -pedantic in stage 1.
12246 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12247 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12249 * genconditions.c (write_header, write_one_condition)
12250 (write_conditions, write_writer): Consolidate very long strings
12251 that were broken up to fit in C89 portable limit. Don't use
12252 printf when fputs will do.
12254 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12256 * combine.c (simplify_comparison <AND>): Check
12257 TRULY_NOOP_TRUNCATION before start using a subreg.
12259 * config/mips/mips.md (*branch_zero<mode>,
12260 *branch_zero<mode>_inverted, *branch_equality<mode>,
12261 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12262 Remove mode check from comparisons.
12264 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12266 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12268 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12270 * expmed.c (const_mult_add_overflow_p): Remove.
12271 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12273 * recog.c (validate_replace_rtx_subexp): Remove.
12274 * recog.h: Remove the prototype for
12275 validate_replace_rtx_subexp.
12277 * integrate.h: Remove the prototype for
12278 copy_decl_for_inlining.
12279 * rtl.h: Remove the prototype for mark_constant_function.
12280 * tree-vectorizer.h: Remove the prototype for
12281 vect_strip_conversion.
12283 * modulo-sched.c (create_partial_schedule,
12284 free_partial_schedule, reset_partial_schedule): Make them
12287 * hooks.c (hook_bool_rtx_int_false): Remove.
12288 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12290 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12292 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12293 and -mlong-double-128 are incompatible.
12294 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12295 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12296 (TARGET_LIBGCC2_CFLAGS): Define.
12297 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12298 (TARGET_LIBGCC2_CFLAGS): Same.
12299 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12301 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12304 * c-typeck.c (build_binary_op): Perform implicit casts of
12305 operands before shortening them.
12307 * cfgloopmanip.c (split_loop_bb): Remove.
12308 * cfgloop.h: Remove the prototype for split_loop_bb.
12310 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12311 * cfgloop.h: Remove the prototype for
12312 flow_loop_outside_edge_p.
12314 * emit-rtl.c (init_virtual_regs): Make it static.
12315 * function.h: Remove the prototype for init_virtual_regs.
12317 * recog.c (peephole2_optimize): Make it static.
12318 * recog.h: Remove the prototype for peephole2_optimize.
12320 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12322 * df-scan.c (df_record_entry_block_defs): Check if
12323 INCOMING_RETURN_ADDR_RTX is defined.
12325 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12326 Kenneth Zadeck <zadeck@naturalbridge.com>
12328 PR rtl-optimization/24762
12329 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12330 * targhooks.c (hook_void_bitmap): New hook prototype.
12331 * targhoohs.h (hook_void_bitmap): Ditto.
12332 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12333 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12334 * target.h (live_on_entry): New function pointer.
12335 * df-scan.c (df_all_hard_regs): Removed.
12336 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12337 (df_scan_free_internal): Added df->entry_block_defs.
12338 (df_scan_alloc): Ditto.
12339 (df_scan_dump): Ditto.
12340 (df_uses_record): Plumbed flag field properly thru calls.
12341 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12342 This part fixes PR24762.
12343 (df_bb_refs_record): Added code to make the frame and arg
12344 pointers live in EH blocks.
12345 (df_refs_record): Added call to df_record_entry_block_defs.
12346 (df_record_entry_block_defs): New function.
12347 * df-core.c: Added comments to describe new artifical defs.
12348 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12349 (entry_block_defs): New field in struct df.
12350 (df_all_hard_regs): Deleted.
12351 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12352 * df-problems.c (df_ru_bb_local_compute_process_def):
12353 Added code to handle artifical defs in the entry to a function.
12354 (df_ru_bb_local_compute): Ditto.
12355 (df_rd_bb_local_compute_process_def): Ditto.
12356 (df_rd_bb_local_compute): Ditto.
12357 (df_lr_bb_local_compute): Ditto.
12358 (df_ur_bb_local_compute): Ditto.
12359 (df_urec_bb_local_compute): Ditto.
12360 (df_chain_create_bb): Ditto.
12361 (df_ur_local_finalize): Removed entry.
12362 (df_urec_init): Ditto.
12363 (df_urec_local_finalize): Ditto.
12364 (df_ri_bb_compute): Added detection of last use of pseudos.
12365 * Makefile.in (df-scan.o): Updated dependencies.
12366 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12367 * config/mips/mips.c (mips_set_live_on_entry): Added.
12368 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12370 * dce.c (marked_insn_p): Added code to handle artifical defs.
12372 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12374 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12376 (_mm_cvtsi128_si64): Likewise.
12377 (_mm_cvtsd_si64): Likewise.
12378 (_mm_cvttsd_si64): Likewise.
12379 (_mm_cvtsi64_sd): Likewise.
12380 (_mm_cvtsi64_si128): Likewise.
12381 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12382 (_mm_cvtsi64_m64): Likewise.
12383 (_m_to_int64): Likewise.
12384 (_mm_cvtm64_si64): Likewise.
12385 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12386 (_mm_cvttss_si64): Likewise.
12387 (_mm_cvtsi64_ss): Likewise.
12388 (_mm_cvtss_f32): Likewise.
12390 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12392 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12393 for pragma redefine_extname.
12395 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12398 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12399 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12400 -mno-minimal-toc to previous content.
12401 (bispecs): Remove goal.
12402 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12403 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12404 compatibility aliases on powerpc-*-*gnu*.
12405 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12406 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12407 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12408 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12409 (ldblspecs): New goal.
12410 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12411 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12413 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12414 L_sf_to_tf or L_df_to_tf is defined.
12416 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12417 Alan Modra <amodra@bigpond.net.au>
12420 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12421 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12422 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12423 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12424 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12425 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12426 (rs6000_override_options): Initialize rs6000_ieeequad.
12427 Initialize TFmode format to ibm_extended_format if not
12429 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12431 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12432 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12433 (function_arg_advance): IBM long double passed in two FPRs, not
12435 (function_arg): IBM long double passed in FPRs.
12436 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12437 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12438 Only multireg GPR aligned.
12439 (rs6000_init_libfuncs): Enable IBM long double functions if not
12441 (rs6000_generate_compare): Use IBM long double compare if not
12443 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12444 (TARGET_IEEEQUAD): Define.
12445 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12446 not TARGET_IEEEQUAD.
12447 * config/rs6000/rs6000.md: Enable TFmode patterns if
12449 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12450 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12451 and -mlong-double-128 are incompatible.
12452 * doc/invoke.texi (-mabi): Collect options together. Add
12453 ibmlongdouble and ieeelongdouble.
12455 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12457 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12459 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12460 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12461 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12462 * rtl.h (rtunion_def): Remove rt_ptr.
12464 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12465 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12466 * config/i386/winnt.c (i386_pe_mark_dllexport)
12467 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12469 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12471 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12473 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12477 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12478 pthread_key_delete. From John David Anglin. gthrw-ify
12479 pthread_getunique_np only if it it's not a macro. Delete
12481 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12482 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12483 __gthread_objc_condition_signal, __gthread_key_delete): Add
12484 "__attribute__ ((__unused__))" to unused arguments.
12485 (__gthread_recursive_mutex_init_function): Add missing return.
12486 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12487 gthr-posix95.h: Use macro-based approach for name redirection
12488 on targets missing weakref.
12490 2006-01-26 Zack Weinberg <zackw@panix.com>
12492 * genconditions.c (write_header): In generated code, #ifdef out
12493 all includes and fake declarations, except includes of bconfig.h
12494 and system.h, unless GCC_VERSION >= 3001. Do not include
12495 gensupport.h in any case.
12496 (write_conditions): Generate a definition of struct c_test. Add
12497 a comment to the generated #endif.
12498 (write_one_condition): Escape backslashes in string too.
12499 (write_writer): Generated code must escape backslashes and quote
12500 marks (but not newlines) in the strings it writes.
12501 * Makefile.in (build/gencondmd.o): Update dependencies.
12503 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12506 * Makefile.in (insn-automata.o): Add header file dependencies.
12507 * genautomata.c: Add includes.
12509 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12512 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12514 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12516 * configure.ac: Expect target tools paths to be passed from the toplevel
12517 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12519 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12521 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12524 * c.opt (Wpointer-sign): Init to -1.
12525 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12526 OPT_pedantic, to 0 otherwise.
12527 * doc/invoke.texi: Update.
12529 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12531 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12532 constants provided by 80387 instructions in the destination mode.
12534 2006-01-26 Richard Guenther <rguenther@suse.de>
12535 Andrew Pinski <pinskia@physics.uc.edu>
12538 partial PR tree-opt/17064
12539 * tree-ssa-structalias.c (intra_create_variable_infos):
12540 Create heap variables for incoming parameters if
12541 flag_argument_noalias > 1.
12542 (find_what_p_points_to): Look through default defs of
12545 2006-01-26 Jeff Law <law@redhat.com>
12548 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12549 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12550 within the VR_RANGE, use the VR_RANGE as the result, not the
12552 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12553 bounds for the type.
12555 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12557 * tree-ssa-alias.c (maybe_create_global_var): Change
12558 subvar walking to an assertion that we don't have subvar'd variables.
12560 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12563 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12564 Use a new variable, inner. PARM_DECLs are always non-weak.
12566 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12568 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12569 --disable-checking.
12571 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12573 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12575 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12577 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12578 (smax_insn, smin_insn, smax_0, smin_0): New.
12580 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12583 * config/cris/cris.c (cris_order_for_addsi3): New function.
12584 * config/cris/cris-protos.h: Prototype it.
12585 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12586 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12587 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12588 (split for "op.S1 [rx=rx+i],ry (swapped)")
12589 (split for "op(s|u).S1 [rx=rx+i],ry")
12590 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12591 Apply cris_order_for_addsi3 when generating addsi3 insns.
12593 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12595 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12596 (TREE_BLOCK): Add call to EXPR_CHECK.
12598 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12601 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12602 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12603 (dump_omp_clauses): ... here.
12604 (dump_generic_node): Handle OMP_CLAUSE.
12605 * tree.c (omp_clause_num_ops): New.
12606 (omp_clause_code_name): New.
12607 (tree_code_size): Handle OMP_CLAUSE.
12608 (tree_size): Likewise.
12609 (make_node): Document handling of OMP_CLAUSE.
12610 (tree_node_structure): Handle OMP_CLAUSE.
12611 (omp_clause_check_failed): New.
12612 (omp_clause_range_check_failed): New.
12613 (omp_clause_operand_check_failed): New.
12614 (build_omp_clause): New.
12615 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12616 * tree.h (enum omp_clause_code): Declare.
12617 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12618 (OMP_CLAUSE_RANGE_CHECK): Define.
12619 (OMP_CLAUSE_ELT_CHECK): Define.
12620 (omp_clause_check_failed): Declare.
12621 (omp_clause_operand_check_failed): Declare.
12622 (omp_clause_range_check_failed): Declare.
12623 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12624 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12625 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12626 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12627 (OMP_CLAUSE_IF_EXPR): Likewise.
12628 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12629 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12630 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12631 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12632 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12633 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12634 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12635 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12636 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12637 (OMP_CLAUSE_CODE): Define.
12638 (OMP_CLAUSE_SET_CODE): Define.
12639 (OMP_CLAUSE_CODE): Define.
12640 (OMP_CLAUSE_OPERAND): Define.
12641 (struct tree_omp_clause): Declare.
12642 (union tree_node): Add field 'omp_clause'.
12643 * treestruct.def (TS_OMP_CLAUSE): Define.
12644 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12645 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12646 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12647 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12648 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12649 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12650 (OMP_CLAUSE): Define.
12651 * print-tree.c (print_node): Handle OMP_CLAUSE.
12652 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12653 * c-typeck.c: Likewise.
12654 * gimplify.c: Likewise.
12655 * c-omp.c: Likewise.
12656 * tree-nested.c: Likewise.
12657 * tree-inline.c: Likewise.
12658 * c-parser.c: Likewise.
12659 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12662 2006-01-25 Roger Sayle <roger@eyesopen.com>
12664 PR rtl-optimization/25703
12665 * combine.c (try_combine): Handle zero_extract and strict_low_part
12666 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12668 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12670 * global.c: Fix comment typos.
12672 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12675 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12676 Use output_addr_const instead of assemble_name.
12678 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12680 * Makefile.in (sched-vis.o): Update dependencies.
12681 * haifa-sched.c (sched_finish): Clear current_sched_info.
12682 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12683 (dump_flow_info): Call it.
12684 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12686 * basic-block.h (dump_bb_info): Declare.
12687 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12688 option, and apply options only for dump files whose TDF_RTL,
12689 TDF_TREE, or TDF_IPA bits match.
12690 * rtl.h: Declare new functions exported from sched-vis.c.
12691 * sched-vis.c: Enable also if scheduling is not used.
12692 (print_value): Print the mode of registers if not inside scheduling.
12693 (print_insn): Make it work outside the scheduler. Beautify the output
12695 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12697 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12699 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12700 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12701 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12702 depending on the value of CONSTANT_POOL_ADDRESS_P.
12703 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12705 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12706 rather than SYMBOL_REF_DECL.
12707 (rtx_constant_pool): Remove const_rtx_sym_htab.
12708 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12709 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12710 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12711 Remove handling of const_rtx_sym_htab.
12712 (find_pool_constant): Delete.
12713 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12714 rather than find_pool_constant.
12715 (get_pool_constant_for_function): Delete.
12716 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12717 find_pool_constant.
12718 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12719 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12720 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12721 (SYMBOL_REF_CONSTANT): New macro.
12722 (get_pool_constant_for_function): Delete.
12723 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12724 rather than SYMBOL_REF_DECL.
12725 (i386_pe_mark_dllimport): Likewise.
12726 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12727 rather than SYMBOL_REF_DECL.
12728 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12729 (machopic_indirect_call_target): Likewise.
12731 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12733 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12735 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12737 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12739 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12741 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12743 2006-01-24 David Daney <ddaney@avtrex.com>
12746 * configure.ac (enable_tls): New enable option.
12747 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12748 * configure: Regenerate.
12749 * doc/install.texi (--enable-tls): Document new option.
12750 (--disable-tls): Ditto.
12752 2006-01-24 Richard Henderson <rth@redehat.com>
12754 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12755 * alias.c (true_dependence): Respect it.
12756 (canon_true_dependence, write_dependence_p): Likewise.
12757 * builtins.c (get_builtin_sync_mem): Set it.
12759 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12761 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12764 2006-01-24 DJ Delorie <dj@redhat.com>
12766 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12767 for storing constants in single-bit bitfields.
12769 2006-01-25 Ben Elliston <bje@au.ibm.com>
12771 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12773 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12776 * tree-ssa-pre.c (phi_translate): Return NULL
12777 for AGGREGATE_TYPE's.
12779 2006-01-24 Zack Weinberg <zackw@panix.com>
12781 * genautomata.c (process_state_for_insn_equiv_partition):
12782 Use xcalloc for insn_arcs_array.
12783 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12784 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12786 2006-01-24 Richard Henderson <rth@redhat.com>
12788 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12789 update all callers.
12791 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12793 PR rtl-optimization/25890
12794 PR rtl-optimization/25905
12795 * combine.c (expand_compound_operation, expand_field_assignment):
12796 Fail if the bitfield's final position is out of bounds.
12798 2006-01-24 Ian Lance Taylor <ian@airs.com>
12800 PR middle-end/25930
12801 * cgraphunit.c (cgraph_output_in_order): Don't clear
12802 cgraph_asm_nodes until after asm strings have been output.
12804 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12806 * fix-header.c (read_scan_file): Add new parameter imultilib when
12807 calling register_include_chains.
12809 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12811 * omp-low.c: Update documentation.
12813 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12814 Daniel Berlin <dberlin@dberlin.org>
12818 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12819 return from the function.
12821 2006-01-22 Zack Weinberg <zackw@panix.com>
12823 * rtl.def (match_code): Add second argument.
12824 * genpreds.c (write_extract_subexp): New function.
12825 (write_match_code): Add path argument. Use write_extract_subexp.
12826 (write_predicate_expr): Pass path to write_match_code.
12827 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12828 not perform a mode test.
12829 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12830 a subexpression does not constrain the top-level code set.
12831 * read-rtl.c (read_rtx_variadic): New function.
12832 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12833 * doc/md.texi: Document new notation.
12834 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12835 (cmpsi_operand): ... here, using new notation.
12837 2006-01-22 Zack Weinberg <zackw@panix.com>
12839 * varray.c: Remove GENERATOR_FILE #ifdefs.
12841 2006-01-22 Zack Weinberg <zackw@panix.com>
12843 * genautomata.c (output_reserved_units_table): Emit nothing if
12844 description->query_units_num is zero. Remove extra blank line.
12845 (output_cpu_unit_reservation_p): Short circuit
12846 if description->query_units_num is zero.
12848 2006-01-22 Zack Weinberg <zackw@panix.com>
12850 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12851 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12852 nor any of the random handful of variables that used to be necessary
12853 when this program was linked with rtlanal.o. Prune set of forward
12854 function declarations.
12855 (struct attr_desc): Remove static_p field.
12856 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12857 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12858 (attr_string): Do not read the character one past the length of
12860 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12861 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12862 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12863 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12864 (make_automaton_attrs): New.
12865 (main): Do not call into genautomata. Call local gen_bypass
12866 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12867 Remove special case for insn_alts.
12868 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12869 varray.h (leftover from previous change). Prune set of forward
12870 function declarations. Remove state_alts fields from all
12871 structures. Remove state_alts_table from struct automaton.
12872 Make everything except main static. Do not maintain num_dfa_decls.
12873 Do not maintain state_alts fields of various structures.
12874 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12875 (add_arc): Remove state_alts argument. All callers updated.
12876 (output_reserved_units_table): Emit #ifdef here...
12877 (output_tables): ...not here. Don't generate state_alts tables.
12878 (expand_automata): Don't generate attributes.
12879 (write_automata): Don't generate state_alts functions.
12880 (main): New function.
12881 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12882 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12883 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12884 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12885 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12886 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12887 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12888 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12890 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12891 * genattrtab.h: Delete file.
12892 * Makefile.in (OBJS-common): Add insn-automata.o.
12893 (insn-automata.o): New rule.
12894 (simple_generated_c): Add insn-automata.c.
12895 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12896 (genprogmd): Add automata.
12897 (build/genattrtab): Needs no extra objects nor libraries.
12898 (build/genautomata): Needs build/vec.o and -lm.
12900 2006-01-22 Zack Weinberg <zackw@panix.com>
12902 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12903 (output_dfa_max_issue_rate, locked_states_num): Delete.
12904 (struct automaton): Add locked_states field.
12905 (output_dead_lock_vect): Save number of locked states in
12906 automaton->locked_states. If it is zero, don't print anything.
12907 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12908 (output_internal_dead_lock_func): Only test the dead_lock_vect
12909 for automata that have locked states.
12910 (output_statistics): Always print the number of locked states for
12911 each automaton. Calculate total number of locked states here.
12912 (write_automata): Don't call output_dfa_max_issue_rate.
12913 * genattrtab.c: Define length_unit_log as a const variable.
12914 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12915 max_insn_queue_index const.
12916 * final.c (length_unit_log): Declare const.
12917 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12919 2006-01-22 Zack Weinberg <zackw@panix.com>
12921 * genautomata.c: Include vec.h, not varray.h.
12922 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12923 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12924 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12925 VEC_* macros operating on appropriately typed vectors, or to
12926 malloced arrays when the size is known in advance. Const-ify
12927 many char* variables and function arguments. No functional changes.
12928 * Makefile.in (build/varray.o): Delete rule.
12929 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12930 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12932 2006-01-22 Zack Weinberg <zackw@panix.com>
12934 * gensupport.c: Define get_insn_name and record_insn_name here.
12935 (read_md_rtx): Call record_insn_name as appropriate.
12936 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12937 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12938 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12940 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12941 (BUILD_VARRAY): Delete.
12942 (genprognormal): Rename genprogmd. Fold in all programs from
12943 genprognoprint; also attrtab.
12944 (build/genattrtab): Just mention genautomata.o and varray.o.
12945 Reorganize a bit, add comments to make the categories clearer.
12947 2006-01-22 Zack Weinberg <zackw@panix.com>
12949 * genconditions.c (condition_table, add_condition): Delete.
12950 (write_conditions): Don't emit n_insn_conditions nor
12951 insn_elision_unavailable. Issue the gcc version #ifdef here,
12952 inside the table, with no #else clause ...
12953 (write_header): ...not here.
12954 (write_writer): New function.
12955 (main): Don't initialize condition_table. Use add_c_test.
12957 * gensupport.c (init_md_reader_args_cb): Handle multiple input
12958 files on the command line.
12959 (maybe_eval_c_test): Don't check insn_elision_unavailable.
12960 Return -1 if there is no entry in the table, don't abort.
12961 (add_c_test, traverse_c_tests): New functions.
12962 * gensupport.h (insn_elision_unavailable, insn_conditions)
12963 (n_insn_conditions): Delete declarations.
12964 (add_c_test, traverse_c_tests): Declare.
12965 * read-rtl.c: Include gensupport.h.
12966 (read_conditions): New function.
12967 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
12968 (read_rtx_1): If we get EOF when we were looking for an initial
12969 open paren, return 0. Call read_conditions when appropriate.
12970 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
12971 dummy-conditions.o. Eliminate references to insn-conditions.o,
12972 or change them to build/gencondmd.o, as appropriate. Remove
12973 insn-constants.h from $(simple_generated_h) and insn-conditions.c
12974 from $(simple_generated_c). For all files remaining in those
12975 two lists, add insn-conditions.md to the generator command line.
12976 Give insn-constants.h/s-constants their own rules. Add rules
12977 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
12978 (build/read-rtl.o): Depend on gensupport.h.
12979 (genprognormal): Include preds.
12980 (genprogearly): Rename genprognoprint; only difference is now that
12981 they don't link with $(BUILD_PRINT).
12982 * dummy-conditions.c: Delete.
12984 2006-01-22 Zack Weinberg <zackw@panix.com>
12986 * genextract.c: Don't include insn-config.h. Do include vec.h.
12987 Declare vectors of int, char, and locstr.
12988 (locstr): New typedef.
12989 (struct extraction): Make all array fields into bare pointers.
12990 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
12991 (insn_code_number): Delete.
12992 (accum_extract): New struct.
12993 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
12994 (gen_insn): Take insn_code_number as an argument. Use an
12995 accum_extract structure instead of loading data directly into
12996 a struct extraction, and having to know how big it might get.
12997 (walk_rtx): Operate entirely on an accum_extract structure.
12998 (print_path): Avoid unnecessary use of printf.
12999 (print_header): New function, split out of main. Distinguish
13000 more carefully between an unrecognizable insn and an insn that
13001 has the code number of a define_expand.
13002 (main): Pass insn_code_number to gen_insn. Call print_header
13003 only after parsing. Avoid unnecessary use of printf.
13004 * Makefile.in (build/vec.o): New rule.
13005 (build/genextract): Depend on build/vec.o.
13006 (build/genextract.o): Don't depend on insn-config.h.
13008 2006-01-22 Zack Weinberg <zackw@panix.com>
13010 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13011 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13012 practical. Eliminate per-generator-program link rules.
13014 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13016 PR middle-end/24437
13017 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13018 with a call expr to ...
13019 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13021 2006-01-23 Richard Guenther <rguenther@suse.de>
13023 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13024 before make_edge with conditional EDGE_TRUE_VALUE.
13026 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13027 Jan Hubicka <jh@suse.cz>
13028 Richard Guenther <rguenther@suse.de>
13030 PR rtl-optimization/25654
13031 * cfgexpand.c (aggregate_contains_union_type): New function.
13032 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13033 for structure variables that contain a union type.
13035 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13037 * gengtype.c (new_structure): Return the structure.
13038 (create_option): Add an extra "next" argument.
13039 (create_field): New function.
13040 (adjust_field_rtx_def): Use create_option and create_field.
13041 Remove a now-unnecessary call to find_structure.
13042 (adjust_field_tree_def): Likewise.
13043 (note_yacc_type): Remove an unnecessary call to find_structure.
13044 * gengtype.h (new_structure): Return the structure.
13045 (create_option): Add an extra argument.
13046 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13047 (option): Adjust calls to create_option.
13049 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13051 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13053 2006-01-22 Paul Brook <paul@codesourcery.com>
13054 Peter Barada <peter@the-baradas.com>
13056 * config/m68k/m68k.md: Add Coldfire FPU support.
13057 Define FP mode macro and associated attributes.
13058 Use it for float mode patterns.
13059 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13060 (LIBCALL_VALUE): Use m68k_libcall_value.
13061 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13062 (m68k_function_value): Ditto.
13063 (emit_move_sequence): Ditto.
13064 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13065 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13066 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13067 (MULTILIB_EXCEPTIONS): Ditto.
13068 * config/m68k/m68k.opt: Add mcfv4e.
13069 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13070 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13071 (m68k_output_function_prologue): Save ColdFire FPU registers.
13072 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13073 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13074 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13075 ColdFire FPU registers.
13076 (m68k_libcall_value, m68k_function_value): New functions.
13077 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13078 (LIBCALL_VALUE): Use m68k_libcall_value.
13079 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13080 (MASK_COLDFIRE): Add MASK_CFV4E.
13081 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13082 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13083 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13084 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13085 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13086 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13087 * doc/invoke.tex: Document -mcfv4e on m68k.
13089 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13091 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13094 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13097 * c-opts.c (c_common_handle_option): Don't include
13098 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13099 * doc/invoke.texi (C++ Dialect Options): Document that
13100 -Wnon-virtual-dtor is no longer included in -Wall.
13102 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13104 * gcov.c (print_version), gcov-dump.c (print_version),
13105 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13108 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13110 * df-scan.c (problem_SCAN): Added NULL reset function.
13111 (df_scan_reset_blocks): Added code to call reset block function
13112 (df_bb_refs_delete) Fixed comment.
13113 (df_insn_refs_delete): Made tolerant of deleting non existent info
13114 for dataflow problems that need to be reset.
13115 * df-core.c (df_set_blocks): Ditto.
13116 * df.h (struct df_problem): Added reset_fun.
13117 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13118 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13119 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13120 functions to clear out all references to def-use or use-def chains.
13122 2006-01-21 Ben Elliston <bje@au.ibm.com>
13124 * varasm.c (assemble_real): Initialise data array.
13126 2006-01-20 Paul Brook <paul@codesourcery.com>
13128 Merge from csl-arm-branch.
13129 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13130 * config/arm/arm.md (movdi): Force operands[1] to a register
13131 if we have a non-register source.
13132 (*arm_movdi, *movdf_soft_insn): Require that one of the
13133 operands be a register.
13134 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13135 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13137 2006-01-20 DJ Delorie <dj@redhat.com>
13139 * varasm.c (initializer_constant_valid_p): Allow pointers
13140 initialized from integer constants of lesser precision.
13141 (output_constant): Allow non-int-sized pointer modes to be
13142 initialized from integer constants.
13144 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13147 * cppdefault.h (struct default_include): Add multilib flag.
13148 * cppdefault.c (cpp_include_defaults): Set it.
13149 * c.opt (-imultilib): New option.
13150 * c-opts.c (imultilib): New.
13151 (c_common_handle_option): Handle -imultilib.
13152 (c_common_post_options): Likewise.
13153 * c-incpath.c (add_standard_paths, register_include_chains):
13155 * c-incpath.h (register_include_chains): Add extra parameter.
13156 * gcc.c (do_spec_1): Generate -imultilib option.
13157 (The Specs Language): Update %I description.
13158 (process_command): Update copyright notice.
13159 * doc/cppopts.texi (-imultilib): Document.
13160 * doc/invoke.texi (-imultilib): Include in option summary.
13161 (%I): Update specs documentation.
13163 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13165 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13167 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13169 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13172 2006-01-20 Richard Guenther <rguenther@suse.de>
13173 Steven Bosscher <stevenb.gcc@gmail.com>
13175 PR rtl-optimization/24626
13176 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13177 EDGE_TRUE_VALUE if in RTL mode.
13180 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13181 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13183 2006-01-20 Dirk Mueller <dmueller@suse.com>
13186 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13187 instead of a special NOP marker.
13188 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13189 NOP marker handling.
13190 * c-common.h (empty_body_warning): Add forward declaration.
13191 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13192 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13194 2006-01-20 Paul Brook <paul@codesourcery.com>
13196 * Makefile.in (lang_checks): Keep going if mkdir fails.
13198 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13200 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13201 be able to clean out basic block when not necessary.
13202 (df_scan_free): Fixed to properly delete information if df is
13203 unused before calling df_finish.
13204 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13205 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13207 (df_bb_refs_delete): New function.
13208 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13209 * df-core.c (df_set_blocks): Added code to properly clean out
13210 unused blocks if they are not part of the blocks to consider.
13211 Added additional null check.
13212 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13213 be able to clean out basic block when not necessary
13214 * df.h (df_free_bb_function): Ditto.
13215 (df_bb_refs_delete): New function.
13216 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13217 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13218 basic block parameter to be able to clean out basic block when not
13220 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13221 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13222 Fixed to properly delete information if df is unused before
13225 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13227 PR rtl-optimization/25799
13228 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13229 Corrected confluence operator to remove bits from op2 before oring
13230 with op1 rather than removing bits from op1.
13231 (df_ru_transfer_function): Corrected test on wrong bitmap which
13232 caused infinite loop. Both of these problems were introduced in
13233 the dataflow rewrite.
13235 2006-01-19 DJ Delorie <dj@redhat.com>
13237 * reload1.c (find_reload_regs): Note the details of reload
13238 failures in the dump file.
13239 (spill_failure): Likewise.
13241 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13243 * loop-iv.c: Include df.h and hashtab.h.
13244 (enum iv_grd_result): New enum.
13245 (DF_REF_IV, DF_REF_IV_SET): New macros.
13246 (struct biv_entry): New.
13247 (df, bivs): New global variables.
13248 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13249 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13251 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13252 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13253 analyzed_for_bivness_p, record_biv): New functions.
13254 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13255 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13256 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13258 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13260 (iv_number_of_iterations): Use new interface to iv analysis.
13261 * loop-unroll.c: Do not include varray.h.
13262 (analyze_iv_to_split_insn): Use new interface to iv
13264 * loop-unswitch.c (may_unswitch_on): Ditto.
13265 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13267 (df_bb_modify): Realloc tables to the new index.
13268 (df_find_use): New function.
13269 * df.h (df_find_use): Declare.
13270 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13272 * cfgloop.h (struct rtx_iv): Remove analysed field.
13273 (iv_get_reaching_def): Removed.
13274 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13275 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13276 (loop-iv.o): Add df.h and hashtab.h dependency.
13277 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13279 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13282 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13284 (__floatundisf, __floatundidf): Likewise.
13285 * libgcc2.h (IS_IBM_EXTENDED): Define.
13287 2006-01-19 DJ Delorie <dj@redhat.com>
13289 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13291 2006-01-19 Paul Brook <paul@codesourcery.com>
13293 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13294 as nothrow when unwinding tables are disabled.
13296 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13299 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13300 of bit-field" when in system header.
13302 2006-01-19 DJ Delorie <dj@redhat.com>
13304 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13305 the 16 bit shift limit of the m16c.
13307 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13310 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13311 * config/i386/i386.c (output_set_got): Output the label if we have one
13312 for the TARGET_DEEP_BRANCH_PREDICTION case.
13314 2006-01-19 Jan Hubicka <jh@suse.cz>
13315 H.J. Lu <hongjiu.lu@intel.com>
13316 Evandro Menezes <evandro.menezes@amd.com>
13318 * invoke.texi (generic): Document
13320 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13321 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13322 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13323 (x86_use_incdec, x86_pad_returns): New variables
13324 (TARGET_CPU_DEFAULT_generic): New constant
13325 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13326 (enum processor_type): Add generic32 and generic64.
13327 * i386.md (cpu attribute): Add generic32/generic64
13328 (movhi splitter): Behave sanely when both partial_reg_dependency and
13329 partial_reg_stall are set.
13330 (K8 splitters): Enable for generic as well.
13331 * predicates.md (incdec_operand): Use TARGET_INCDEC
13332 (aligned_operand): Avoid memory mismatch stalls.
13333 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13334 * ppro.md: Enable for generic32
13335 * i386.c (generic64_cost, generic32_cost): New.
13336 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13337 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13338 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13339 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13340 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13341 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13342 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13343 x86_accumulate_outgoing_args, x86_prologue_using_move,
13344 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13345 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13346 Enable for generic.
13347 (x86_use_incdec, x86_pad_returns): New.
13348 (override_options): Add generic32 and generic64, translate "generic"
13349 to generic32/generic64 and "i686" to "generic32", refuse
13350 "generic32"/"generic64" as arch target.
13351 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13352 (ix86_reorg): Honor PAD_RETURNS.
13354 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13356 * tree-pretty-print.c (dump_generic_node): Handle
13357 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13358 * cgraph.c (cgraph_expand_queue): Rename from
13359 cgraph_analyze_queue. Update all users.
13360 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13361 cgraph_expand_queue.
13362 (cgraph_expand_all_functions): Likewise.
13363 (cgraph_finalize_pending_functions): Remove. Update callers.
13365 * tree.h (OMP_DIRECTIVE_P): Define.
13366 (OMP_PARALLEL_FN): Define.
13367 (OMP_PARALLEL_DATA_ARG): Define.
13368 (OMP_SECTIONS_SECTIONS): Define.
13369 * tree-pass.h (pass_expand_omp): Declare.
13370 * omp-low.c (struct omp_region): Declare.
13371 (struct omp_context): Remove fields 'parallel_type',
13372 'parallel_start_ix' and 'parallel_start_additional_args'.
13374 (struct omp_for_data): Rename from struct expand_omp_for_data.
13375 (omp_regions): New static variable.
13376 (root_omp_region): New static variable.
13377 (find_omp_clause): Make static.
13378 (is_in_combined_parallel_ctx): Remove.
13379 (is_combined_parallel): New.
13380 (extract_omp_for_data): Move earlier in the file.
13381 (workshare_safe_to_combine_p): New.
13382 (get_ws_args_for): New.
13383 (determine_parallel_type): Move earlier in the file.
13384 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13386 (omp_copy_decl): Likewise.
13387 (create_omp_child_function): Likewise.
13388 (lookup_omp_region): New.
13389 (dump_omp_region): New.
13390 (debug_omp_region): New.
13391 (debug_all_omp_regions): New.
13392 (new_omp_region): New.
13393 (scan_omp_parallel): If parallel_nesting_level > 1, the
13394 directive is nested within another parallel directive.
13395 Set OMP_PARALLEL_FN.
13396 (scan_omp_for): Do not try to handle combined parallel+for
13398 Remove FIXME comment.
13399 (scan_omp_nested): Remove.
13400 (scan_omp_1): Do not call scan_omp_nested when
13401 parallel_nesting_level is > 1.
13402 Do not change the DECL_CONTEXT of local variables found.
13403 (lookup_decl_in_outer_ctx): New.
13404 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13405 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13406 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13407 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13408 If CTX is nested, lookup VAR in the outer context when
13409 building copy assignment.
13410 (lower_send_clauses): Rename from expand_send_clauses.
13411 If CTX is nested, lookup VAR in the outer context when
13412 building copy assignments.
13413 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13414 If CTX is nested, lookup VAR in the outer context when
13415 building copy assignments.
13416 (expand_parallel_call): Rename from build_parallel_call.
13417 Handle combined parallel+workshare cases.
13418 Re-implement to emit code into the CFG.
13420 (expand_omp_parallel): Re-implement to emit code into the CFG.
13421 Call move_sese_region_to_fn to outline the sub-graph
13422 containing the parallel region.
13423 (expand_omp_for_1): Remove.
13424 (expand_omp_for_generic): Re-implement to emit code into the
13426 (expand_omp_for_static_nochunk): Likewise.
13427 (expand_omp_for_static_chunk): Likewise.
13428 (expand_omp_for): Likewise.
13429 (expand_omp_sections): Likewise.
13430 (remove_exit_barriers): New.
13431 (expand_omp_synch): New.
13433 (build_omp_regions_1): New.
13434 (build_omp_regions): New.
13435 (execute_expand_omp): New.
13436 (gate_expand_omp): New.
13437 (pass_expand_omp): Define.
13438 (lower_omp_sections): Rename from expand_omp_sections.
13439 Set OMP_SECTIONS_SECTIONS.
13440 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13441 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13442 (lower_omp_single): Rename from expand_omp_simple.
13443 (lower_omp_master): Rename from expand_omp_master.
13444 (lower_omp_ordered): Rename from expand_omp_ordered.
13445 (lower_omp_critical): Rename from expand_omp_critical.
13446 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13447 (lower_omp_for): Re-implement.
13448 (lower_omp_parallel): Re-implement.
13449 (lower_regimplify): Rename from expand_regimplify.
13450 (lower_omp_1): Rename from expand_omp_1.
13451 If there are syntax errors in the program, replace every
13452 OpenMP directive with NOP.
13453 Call lower_omp_* instead of expand_omp_*.
13454 (lower_omp): Rename from expand_omp.
13456 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13457 * tree-gimple.h (enum omp_parallel_type): Remove.
13458 (gimple_boolify): Declare extern.
13459 (find_omp_clause, determine_parallel_type): Remove.
13461 * gimple-low.c (lower_omp_directive): New.
13462 (lower_stmt): Call it.
13463 (record_vars_into): Move from ...
13464 (record_vars): ... here.
13465 Call record_vars_into with current_function_decl.
13467 * gimplify.c (struct gimplify_ctx): Remove fields
13468 combined_pre_p and combined_ctxp. Update users.
13469 (get_formal_tmp_var): Add documentation.
13470 (gimple_boolify): Make extern.
13471 (gimplify_expr_in_ctx): Remove. Update callers.
13472 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13473 will always be a BIND_EXPR.
13474 (gimplify_expr): Handle OMP_RETURN_EXPR.
13475 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13476 (OMP_PARALLEL): Add 3 operands.
13477 (OMP_SECTIONS): Add 1 operand.
13478 (OMP_RETURN_EXPR): Define.
13480 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13481 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13482 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13483 creating a circular free list.
13484 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13486 * tree-flow.h (move_sese_region_to_fn): Declare.
13487 (record_vars_into): Declare.
13488 * tree-cfg.c (make_omp_sections_edges): New.
13489 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13490 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13491 OMP_SECTIONS and OMP_SECTION.
13492 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13493 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13494 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13495 (gather_blocks_in_sese_region): New.
13496 (struct move_stmt_d): Declare.
13497 (move_stmt_r): New.
13498 (move_block_to_fn): New.
13499 (move_sese_region_to_fn): New.
13501 * passes.c (init_optimization_passes): Schedule
13502 pass_expand_omp after pass_init_datastructures.
13504 * tree-ssa-operands.c (get_expr_operands): Handle
13505 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13506 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13508 2006-01-19 Jeff Law <law@redhat.com>
13510 * tree-vrp.c (extract_range_from_assert): Refine the result range
13511 if the variable referenced by the ASSERT_EXPR has a range and
13512 either the tentative result range or the previous range is a
13515 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13517 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13519 2006-01-19 Jan Hubicka <jh@suse.cz>
13521 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13523 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13525 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13526 (expand_compound_operation, expand_field_assignment): Fail if the
13527 bit lengths of an extract operation are out of range.
13528 (make_extraction): Compute wanted_inner_mode based on the position
13529 and length of the extraction. Make it extraction_mode for non-constant
13530 positions, and do not modify offset in that case. When generating a
13531 new MEM, use a mode that can hold the extraction while keeping correct
13532 alignment. Remove code that supported MEMs wrapped by USEs.
13533 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13535 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13537 * config/s390/s390.md ("Y", "y"): New mode attribute.
13538 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13539 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13540 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13541 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13542 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13543 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13544 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13545 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13546 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13547 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13548 "addsi3", "subsi3"): Insn patterns removed.
13549 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13550 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13551 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13552 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13553 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13554 "*sub<mode>3_cconly2"): New insn patterns.
13555 ("addsi3", "subsi3"): New expanders.
13557 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13559 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13560 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13561 existing STMT_VINFO_VECTYPE if available.
13562 (vect_mark_relevant): Add special handling for stmts that are
13563 marked as STMT_VINFO_IN_PATTERN_P.
13564 (vect_analyze_loop): Call vect_pattern_recog.
13565 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13566 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13568 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13569 (vect_recog_func_ptr): New function-pointer type.
13570 * tree-vect-patterns.c: New file.
13571 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13572 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13573 (vect_pattern_recog_1): New functions.
13574 (vect_pattern_recog_funcs): New array of function pointers.
13576 * tree-vectorizer.h (ternary_op): New enum value.
13577 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13578 declaration. Revised documentation. Removed redundant dump prints.
13579 Removed redundant argument. Added support for reduction patterns.
13580 (vectorizable_reduction): Added support for reduction patterns.
13581 (vect_transform_stmt): Added support for patterns.
13583 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13584 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13585 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13586 (expand_widen_pattern_expr): New function.
13587 (init_optabs): Initialize new optabs udot_prod_optab,
13589 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13590 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13591 (expand_widen_pattern_expr): New function declaration.
13592 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13594 * tree-inline.c (estimate_num_insns_1): Added cases for new
13595 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13596 * tree-pretty-print.c (dump_generic_node): Likewise.
13597 (op_prio): Likewise.
13598 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13599 * tree-ssa-operands.c (get_expr_operands): Added case for
13601 * tree-vect-patterns.c (widened_name_p): New function.
13602 (vect_recog_dot_prod_pattern): Added function implementation.
13603 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13604 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13605 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13606 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13608 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13609 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13610 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13611 (init_optabs): Initialize new optabs widen_ssum_optab,
13613 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13614 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13615 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13616 use instead of type of def.
13617 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13618 function implementation.
13619 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13620 widen_ssumv8hi): New.
13622 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13625 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13628 * c-decl.c (add_flexible_array_elts_to_size): New function.
13629 (finish_decl): Use it.
13631 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13633 * diagnostic.h: Include options.h.
13634 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13635 dependancies for diagnostic.h.
13636 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13638 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13640 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13641 (ssa_ro_call_cache_valid): Ditto.
13642 * tree-ssa-alias.c (sort_tags_by_id): New function.
13643 (init_transitive_clobber_worklist): Ditto.
13644 (add_to_worklist): Ditto.
13645 (mark_aliases_call_clobbered): Ditto.
13646 (compute_tag_properties): Ditto.
13647 (set_initial_properties): Ditto.
13648 (compute_call_clobbered): Ditto.
13649 (compute_may_aliases): Call compute_call_clobbered and grouping.
13650 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13651 (compute_flow_insensitive_aliasing): Grouping now happens in our
13653 (setup_pointers_and_addressables): Remove clobbering related code.
13654 (add_may_alias): Ditto.
13655 (replace_may_alias): Ditto.
13656 (get_nmt_for): Ditto.
13657 (create_global_var):
13658 (is_escape_site): Return an escape_type enumeration.
13659 * tree-flow-inline.h (is_call_clobbered): Global var does not
13660 imply call clobbered.
13661 (mark_call_clobbered): Take a reason for marking this. Remove
13662 marking of globalness, and cache invalidation.
13663 (clear_call_clobbered): Remove cache invalidation code.
13664 * tree-dfa.c (dump_variable): If details is on, dump the reason
13666 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13668 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13669 (struct var_ann_d): Ditto.
13670 (enum escape_type): New.
13671 (mark_call_clobbered): Adjust prototype.
13672 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13673 are never call clobbered.
13674 Record reasons for escaping.
13675 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13676 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13677 (ssa_ro_call_cache_valid): Ditto.
13678 (clobbered_v_may_defs): Ditto.
13679 (clobbered_vuses): Ditto.
13680 (ro_call_vuses): Ditto.
13681 (clobber_stats): New.
13682 (init_ssa_operands): Zero out clobber stats.
13683 (fini_ssa_operands): Print out clobber stats.
13684 (get_call_expr_operands): Pass callee fndecl to
13685 add_call_read_ops).
13686 (add_call_clobber_ops): Remove use of cache.
13687 Add use of PURE_CONST information.
13688 (add_call_read_ops): Remove use of cache.
13689 Add use of static not_read information.
13691 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13693 Introduce TLS descriptors for i386 and x86_64.
13694 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13695 (TARGET_ANY_GNU_TLS): New macro.
13696 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13697 (struct machine_function): Add tls_descriptor_call_expanded_p.
13698 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13699 (ix86_current_function_calls_tls_descriptor): Likewise.
13700 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13701 (override_options): Introduce gnu2 tls dialect.
13702 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13704 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13706 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13707 (ix86_init_machine_status): Initialize new field.
13708 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13709 (ix86_tls_module_base): New.
13710 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13711 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13712 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13713 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13714 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13715 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13716 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13717 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13718 * config/i386/predicates.md (tls_modbase_operand): New.
13719 (tp_or_register_operand): New.
13721 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13723 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13724 (look_for_address_of): Ditto.
13725 (ipa_init): Walk the function decls.
13726 (static_execute): Don't set readonly on FUNCTION_DECL's.
13728 2006-01-18 Roger Sayle <roger@eyesopen.com>
13730 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13731 for shifts where the source and destination registers are different.
13733 2006-01-18 Paul Brook <paul@codesourcery.com>
13735 Merge from csl-arm-branch.
13736 2005-03-14 Julian Brown <julian@codesourcery.com>
13737 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13738 (aeabi_llsl): Likewise.
13739 (ashrdi3): Likewise.
13740 (aeabi_lasr): Likewise.
13741 (lshrdi3): Likewise.
13742 (aeabi_llsr): Likewise.
13743 2005-03-10 Julian Brown <julian@codesourcery.com>
13744 * config.gcc: Disable shared libgcc for SymbianOS.
13745 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13747 2006-01-18 DJ Delorie <dj@redhat.com>
13749 * c-pragma.c (handle_pragma_diagnostic): New.
13750 (init_pragma): Register it.
13751 * doc/extend.texi: Document it.
13753 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13754 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13755 (diagnostic_context): Add classify_diagnostic[].
13756 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13757 as errors if they're overridden to DK_WARNING.
13758 (diagnostic_initialize): Initialize classify_diagnostic[].
13759 (diagnostic_set_kind_override): New.
13760 (diagnostic_report_diagnostic): Check for kind changes.
13761 * opts.c (common_handle_option): Take lang_mask. Update callers.
13762 Handle OPT_Werror_.
13763 * common.opt (Werror=): New.
13764 * doc/invoke.texi: Document -Werror=*
13766 2006-01-18 Jeff Law <law@redhat.com>
13768 * tree-vrp.c (test_for_singularity): Correct test for new
13769 min limit. Use operand_equal_p rather than pointer equality
13770 for testing if new min/max values are equal.
13772 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13773 using range information until after propagation and folding.
13775 2006-01-18 Richard Henderson <rth@redhat.com>
13776 Aldy Hernandez <aldyh@redhat.com>
13777 Jakub Jelinek <jakub@redhat.com>
13778 Diego Novillo <dnovillo@redhat.com>
13780 * omp-low.c: New file.
13781 * c-omp.c: New file.
13783 2006-01-18 Richard Henderson <rth@redhat.com>
13784 Jakub Jelinek <jakub@redhat.com>
13785 Diego Novillo <dnovillo@redhat.com>
13787 * doc/invoke.texi: Document -fopenmp.
13788 * tree-dump.h (debug_function): Declare.
13789 * hooks.c (hook_bool_tree_bool_false): New function.
13790 (hook_tree_tree_null): Remove.
13791 (hook_tree_tree_tree_null): New.
13792 * hooks.h: Update to match.
13793 * tree-pretty-print.c (debug_tree_chain): New.
13794 (print_generic_expr): Handle TDF_CHAIN.
13795 (dump_generic_node): Handle BLOCK.
13796 Do not abort with incomplete SWITCH_EXPRs.
13797 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13798 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13799 print space after directive name.
13800 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13801 Handle OMP_MASTER and OMP_ORDERED.
13802 Handle printing of OMP_BODY just in one place, goto
13803 dump_omp_body in the rest of OMP_* nodes that have
13805 Don't handle clause nodes here. Update omp statements to
13806 use dump_omp_clauses.
13807 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13808 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13809 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13810 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13811 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13812 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13813 Adjust output for GOMP_PARALLEL.
13814 (dump_omp_clauses): New.
13815 (print_declaration): Dump DECL_VALUE_EXPR.
13816 (op_symbol_1): Split out of op_symbol.
13817 (dumping_stmts): Remove. Update all users.
13818 * cgraph.c (cgraph_analyze_queue): New.
13819 (cgraph_add_new_function): New.
13820 * cgraph.h (cgraph_analyze_queue): Declare.
13821 (cgraph_add_new_function): Declare.
13822 (cgraph_lower_function): Remove.
13823 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13824 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13825 and TYPE_P nodes in its default clause.
13826 (empty_body_p): New.
13827 (tree_range_check_failed): New.
13828 (build5_stat): New.
13829 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13830 OMP_CLAUSE_REDUCTION_MERGE,
13831 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13832 OMP_CLAUSE_PRIVATE_DEBUG,
13833 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13834 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13835 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13836 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13837 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13838 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13839 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13840 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13841 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13842 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13843 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13844 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13845 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13846 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13847 (TREE_RANGE_CHECK): New.
13848 (empty_body_p): Declare.
13849 (enum omp_clause_default_kind): New.
13850 (build_string_literal): Declare.
13851 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13852 (build5_stat, build5): Declare.
13853 * tree-pass.h (TDF_CHAIN): Define.
13854 * tree-pass.h (PROP_gimple_lomp): Define.
13855 (pass_lower_omp): Declare.
13856 * diagnostic.h (debug_tree_chain): Declare.
13857 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13859 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13860 * builtins.c (build_string_literal): Make extern.
13861 * gcc.c (include_spec_function): New.
13862 (static_spec_functions): Add it.
13863 (main): Move load of libgomp.spec ...
13864 (LINK_COMMAND_SPEC): ... here.
13865 (link_gomp_spec): New.
13866 (static_specs): Include it.
13867 (LINK_COMMAND_SPEC): Add link_gomp.
13868 (GOMP_SELF_SPECS): New.
13869 (driver_self_specs): Include it.
13870 (switch_matches): Don't mark inline.
13871 (main): Load libgomp.spec.
13872 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13873 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13874 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13875 * tree-gimple.h (enum omp_parallel): Declare.
13876 (determine_parallel_type): Declare.
13877 (omp_firstprivatize_variable): Declare.
13878 (omp_reduction_init): Declare.
13879 (diagnose_omp_structured_block_errors): Declare.
13880 (struct walk_stmt_info): Add want_return_expr.
13881 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13882 (find_omp_clause): Declare.
13883 (insert_field_into_struct): Declare.
13884 (struct walk_stmt_info): Move from tree-nested.c
13885 (walk_stmts): Declare.
13886 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13888 * cgraphunit.c (cgraph_lower_function): Make static.
13889 (cgraph_finalize_pending_functions): New.
13890 (cgraph_finalize_function): Call it.
13891 (cgraph_finalize_compilation_unit): Likewise.
13892 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13893 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13894 (BT_FN_UINT_UINT): New.
13895 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13896 DEF_FUNCTION_TYPE_VAR_4): Document.
13897 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13898 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13899 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13900 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13901 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13902 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13903 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13904 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13905 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13906 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13907 into separate files.
13908 (DEF_GOMP_BUILTIN): New.
13909 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13910 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13911 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13912 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13913 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13914 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13915 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13916 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13917 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13918 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13919 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13920 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13921 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13922 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13923 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13924 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13925 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13926 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13927 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13928 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13929 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13930 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13931 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13932 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13933 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13934 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13935 * sync-builtins.def: New file, moved from builtins.def.
13936 * omp-builtins.def: New file, moved from builtins.def.
13937 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13938 * gimple-low.c (lower_function_body): Clear data.
13939 (lower_stmt): Do not handle COMPOUND_EXPR.
13940 Remove call to print_node_brief.
13941 * c-tree.h (c_finish_omp_clauses): New prototype.
13942 (C_DECL_THREADPRIVATE_P): Define.
13943 (lookup_name_no_remap, c_omp_remap_private): Remove
13944 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13945 (check_for_loop_decls): Update decl.
13946 (lookup_name_no_remap, c_omp_remap_private): Declare.
13947 (build_indirect_ref, build_modify_expr, pushdecl,
13948 pushdecl_top_level): Move to c-common.h.
13949 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13950 before the switch, but just in the 2 places that need it.
13951 * c-decl.c (diagnose_mismatched_decls): Do not check for
13952 mismatched thread-local attributes when OLDDECL is marked
13953 threadprivate and NEWDECL has no thread-local attributes.
13954 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
13955 (c_gimple_diagnostics_recursively): Rename from
13956 c_warn_unused_result_recursively. Invoke
13957 diagnose_omp_structured_block_errors.
13958 (check_for_loop_decls): Return a singular decl found.
13959 * langhooks.c (lhd_omp_predetermined_sharing): Return
13960 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
13961 (lhd_omp_firstprivatize_type_sizes): New.
13962 (lhd_omp_assignment): New.
13963 (lhd_omp_predetermined_sharing): New.
13964 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
13965 (struct lang_hooks_for_types): Add
13966 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
13967 omp_predetermined_sharing, omp_disregard_value_expr,
13968 omp_private_debug_clause, omp_clause_default_ctor,
13969 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
13970 (c_finish_omp_clauses): New.
13971 (c_finish_bc_stmt): Diagnose break within omp for.
13972 (c_begin_omp_parallel, c_finish_omp_parallel): New.
13973 (build_unary_op): Return error_mark after reporting
13975 (build_modify_expr): Likewise.
13976 * gimplify.c: Include optabs.h and pointer-set.h.
13977 (enum gimplify_omp_var_data): Declare.
13978 (struct gimplify_omp_ctx): Declare.
13979 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
13981 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
13982 (push_gimplify_context, pop_gimplify_context): Allow nesting.
13983 (splay_tree_compare_decl_uid): New.
13984 (new_omp_context): New.
13985 (delete_omp_context): New.
13986 (gimple_add_tmp_var): Call omp_add_variable.
13987 (gimplify_bind_expr): Likewise.
13988 (gimplify_var_or_parm_decl): If omp_notice_variable returned
13989 true, disregard DECL_VALUE_EXPR on the decl if any.
13990 (gimplify_expr_in_ctx): New.
13991 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
13992 omp_add_variable, omp_notice_variable, omp_is_private
13993 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
13994 gimplify_adjust_omp_clauses, gimplify_omp_parallel
13995 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
13996 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
13997 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
13998 gimplify_omp_atomic): New.
13999 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14000 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14001 OMP_CRITICAL and OMP_ATOMIC.
14002 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14003 * c-pragma.h (enum pragma_kind): Add
14004 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14005 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14006 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14007 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14008 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14009 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14010 PRAGMA_OMP_THREADPRIVATE.
14011 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14012 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14013 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14014 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14015 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14016 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14017 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14018 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14019 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14020 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14021 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14022 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14023 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14025 (struct nesting_info): Add field_map,
14026 suppress_expansion, debug_var_chain.
14027 (create_nesting_tree): Initialize them.
14028 (lookup_field_for_decl): Use field_map.
14029 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14030 (convert_local_omp_clauses): New.
14031 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14032 (walk_body): Split out of walk_function.
14033 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14034 (convert_nonlocal_reference): Handle omp statements.
14035 (convert_local_reference): Likewise.
14036 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14037 (unnest_nesting_tree): New.
14038 (lower_nested_functions): Call it.
14039 (insert_field_into_struct): Make extern.
14040 (struct walk_stmt_info): Move to tree-gimple.h.
14041 (walk_stmts): Make extern.
14042 * omp-builtins.def: New file.
14043 * tree-iterator.c (expr_only): Clarify comment.
14044 * c-common.h (pushdecl_top_level, pushdecl,
14045 build_modify_expr, build_indirect_ref,
14046 c_finish_omp_master, c_finish_omp_critical,
14047 c_finish_omp_ordered, c_finish_omp_barrier,
14048 c_finish_omp_atomic, c_finish_omp_flush,
14049 c_finish_omp_for, c_split_parallel_clauses,
14050 omp_clause_default_kind, c_omp_sharing_predetermined,
14051 c_omp_remap_decl): Declare.
14052 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14053 (OBJS-common): Add omp-low.o.
14054 (c-omp.o, omp-low.o): Add.
14055 (gimplify.o): Add dependency on $(OPTABS_H).
14056 (GTFILES): Add omp-low.c.
14057 (gt-stringpool.h): Add.
14058 * tree-cfg.c (set_bb_for_stmt): Do not update the
14059 block-to-labels map if we are currently expanding to RTL.
14060 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14062 Handle IDENTIFIER_NODE.
14063 (tree_verify_flow_info): Do not ICE when emitting error
14064 messages about invalid labels.
14065 (dump_function_to_file): Reset CFUN before emitting the body
14067 (debug_function): New.
14068 * passes.c (init_optimization_passes): Schedule
14070 * langhooks-def.h (lhd_omp_predetermined_sharing,
14071 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14073 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14074 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14075 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14076 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14077 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14078 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14079 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14080 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14081 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14082 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14083 (LANG_HOOK_DECLS): Use them.
14085 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14086 Richard Henderson <rth@redhat.com>
14087 Jakub Jelinek <jakub@redhat.com>
14088 Diego Novillo <dnovillo@redhat.com>
14090 * c-parser.c (pragma_omp_clause): Define.
14091 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14092 (c_parser_compound_statement): Likewise.
14093 (c_parser_statement): Likewise.
14094 (c_parser_pragma): Handle omp pragmas.
14095 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14096 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14097 (c_parser_omp_clause_name, check_no_duplicate_clause,
14098 c_parser_omp_variable_list,
14099 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14100 c_parser_omp_clause_copyprivate,
14101 c_parser_omp_clause_default,
14102 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14103 c_parser_omp_clause_lastprivate,
14104 c_parser_omp_clause_nowait,
14105 c_parser_omp_clause_num_threads,
14106 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14107 c_parser_omp_clause_reduction,
14108 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14109 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14110 c_parser_omp_atomic, c_parser_omp_barrier,
14111 c_parser_omp_critical, c_parser_omp_flush,
14112 c_parser_omp_for_loop, c_parser_omp_for,
14113 c_parser_omp_master, c_parser_omp_ordered,
14114 c_parser_omp_sections_scope, c_parser_omp_sections,
14115 c_parser_omp_parallel, c_parser_omp_single,
14116 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14117 * c-pragma.c (init_pragma): Do omp pragma registration here.
14118 * c.opt (fopenmp): New flag.
14120 2006-01-18 Eric Christopher <echristo@apple.com>
14122 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14123 * config/darwin.h (GOMP_SELF_SPECS): Define.
14125 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14127 * rtl.h: Remove the prototype for reg_alloc.
14129 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14132 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14133 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14134 sjlj and dwarf2 exception handling.
14135 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14136 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14137 * pa/pa.c (function_value): Treat complex and vector types as
14139 (function_arg): Likewise. Only pass scalar floats in the floating
14140 point argument registers.
14141 * pa/t-slibgcc-dwarf-ver: New file.
14142 * pa/t-slibgcc-sjlj-ver: New file.
14143 * pa/t-slibgcc-elf-ver: Delete file.
14145 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14147 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14148 unlikely_test_section_p test.
14150 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14152 * mode-switching.c (optimize_mode_switching): Make it static.
14153 * basic-block.h: Remove the prototype for
14154 optimize_mode_switching.
14156 * modulo-sched.c (sms_schedule): Make it static.
14157 * rtl.h: Remove the prototype for sms_schedule.
14159 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14160 * rtl.h: Remove the prototype for gcse_after_reload_main.
14162 * reg-stack.c (reg_to_stack): Make it static.
14163 * rtl.h: Remove the prototype for reg_to_stack.
14165 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14167 * rtl.h: Remove the prototypes for regrename_optimize and
14168 copyprop_hardreg_forward.
14170 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14172 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14173 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14174 Test against the appropriate null constant for the mode.
14175 If 'fixup_overlap' is true, swap the operands if they overlap.
14176 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14177 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14178 alpha_split_tmode_pair and adjust for above change.
14179 * config/alpha/alpha.md (movtf_internal): Adjust call to
14180 alpha_split_tfmode_pair and rely on it to swap the operands.
14181 (movti_internal): New insn and post-reload splitter.
14182 (movti): New expander.
14184 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14186 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14189 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14191 * rtlanal.c (global_reg_mentioned_p_1,
14192 global_reg_mentioned_p): Remove.
14193 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14195 * flow.c (initialize_uninitialized_subregs): Make it static.
14196 * rtl.h: Remove the prototype for
14197 initialize_uninitialized_subregs.
14199 * function.c (instantiate_virtual_regs): Make it static.
14200 * function.h: Remove the prototype for
14201 instantiate_virtual_regs.
14203 * regmove.c (regmove_optimize, combine_stack_adjustments):
14205 * rtl.h: Remove the prototypes for regmove_optimize and
14206 combine_stack_adjustments.
14208 2006-01-17 Roger Sayle <roger@eyesopen.com>
14210 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14211 (size_cost): Encode costs in bytes so that a reg-reg addition is
14212 equivalent to COSTS_N_INSNS(1).
14213 (override_options): Use the size_cost.branch_cost as the default
14214 ix86_branch_cost when optimizing for size.
14216 2006-01-18 Ben Elliston <bje@au.ibm.com>
14218 * Makefile.in (D32PBIT_FUNCS): New.
14219 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14220 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14221 D64PBIT_FUNCS and D128PBIT_FUNCS.
14222 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14223 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14225 (decnumber_dep): Define.
14226 * doc/libgcc.texi (Decimal float library routines): New node.
14227 * config/dfp-bit.h, config/dfp-bit.c: New files.
14229 2006-01-18 Ben Elliston <bje@au.ibm.com>
14231 * expr.c (emit_move_change_mode): Always adjust addresses, not
14232 just during reload. Copy replacements only during reload.
14233 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14234 emit_move_via_integer.
14236 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14238 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14239 instead of $(srcdir) and ${srcdir}.
14241 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14244 PR middle-end/11135
14245 * arm.h (struct machine_function): Add pic_reg.
14246 * arm.c (arm_pic_register): Make unsigned.
14247 (arm_override_options): Only set arm_pic_register if
14248 TARGET_SINGLE_PIC_BASE.
14249 (use_return_insn): Only test for a pic register if it is fixed.
14250 (arm_compute_save_reg0_reg12_mask): Likewise.
14251 (thumb_compute_save_reg_mask): Likewise.
14252 (legitimate_pic_operand): Factor out some known invariants.
14253 (legitimize_pic_address): If we don't have a fixed pic register,
14254 then set up a pseudo in the function entry sequence. Handle the
14255 pic base being in a pseudo.
14256 (arm_load_pic_register): Handle the pic register being in a pseudo.
14257 (arm_expand_prologue): Only set up the pic register if it is fixed.
14258 (thumb_expand_prologue): Likewise.
14259 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14260 (pic_load_addr_based_insn): Likewise.
14261 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14264 2006-01-18 Ben Elliston <bje@au.ibm.com>
14266 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14267 decimal float modes for all floating point registers.
14269 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14270 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14272 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14275 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14276 even when the pointer is not NULL.
14278 2006-01-16 Ian Lance Taylor <ian@airs.com>
14280 * common.opt (ftoplevel-reorder): New option.
14281 * cgraph.c (cgraph_asm_nodes): New global variable.
14282 (cgraph_asm_last_node): New static variable.
14283 (cgraph_order): New global variable.
14284 (cgraph_create_node): Set new order field.
14285 (cgraph_varpool_node): Likewise.
14286 (decide_is_variable_needed): Return true if not
14287 flag_toplevel_reorder.
14288 (cgraph_add_asm_node): New function.
14289 * cgraph.h (struct cgraph_node): Add order field.
14290 (struct cgraph_varpool_node): Add order field.
14291 (struct cgraph_asm_node): Define.
14292 (cgraph_asm_nodes, cgraph_order): Declare.
14293 (cgraph_add_asm_node): Declare.
14294 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14296 (cgraph_varpool_assemble_pending_decls): Call it.
14297 (cgraph_output_pending_asms): New static function.
14298 (cgraph_finalize_compilation_unit): Call it.
14299 (struct cgraph_order_sort): Define.
14300 (cgraph_output_in_order): New static function.
14301 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14302 !flag_toplevel_reorder case.
14303 * c-parser.c: Include "cgraph.h".
14304 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14306 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14307 than -fno-unit-at-a-time.
14308 * doc/invoke.texi (Option Summary): Mention
14309 -fno-toplevel-reorder.
14310 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14311 -funit-at-a-time documentation.
14313 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14314 Kazu Hirata <kazu@codesourcery.com>
14316 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14318 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14320 * Makefile.in (FUNCTION_H): New. Use it instead of
14321 function.h throughout the file.
14322 * function.h: Include tree.h.
14324 2006-01-17 Ben Elliston <bje@au.ibm.com>
14326 * recog.c: Separate some functions with whitespace.
14328 2006-01-16 Richard Henderson <rth@redhat.com>
14330 Merge from gomp branch:
14331 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14332 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14333 and rename from struct inline_data. Rename callee* to dst*;
14334 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14335 transform_new_cfg, transform_return_to_modify, and
14336 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14338 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14339 (copy_decl_for_dup): Remove.
14340 * tree-inline.c (struct inline_data): Move to header.
14341 (insert_decl_map): Export.
14342 (remap_decl): Update for member name changes. Use copy_decl hook.
14343 Allow for replacement to be a non-decl. Remove dead code.
14344 (remap_type_1): Check for existing mapping.
14345 (remap_type): Export.
14346 (remap_decls): Update for member name changes.
14347 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14348 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14349 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14350 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14351 (tree_function_versioning, build_duplicate_type): Likewise.
14352 (copy_body_r): Likewise. Export.
14353 (copy_decl_for_dup): Split into ...
14354 (copy_decl_for_dup_finish, copy_decl_to_var,
14355 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14356 (replace_ref_tree, inlining_p): Remove.
14358 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14360 * ifcvt.c (if_convert): Make it static.
14361 * rtl.h: Remove the prototype for if_convert.
14363 * local-alloc.c (local_alloc): Make it static.
14364 * rtl.h: Remove the prototype for local_alloc.
14366 * loop.c (loop_optimize): Make it static.
14367 * cfgloop.h: Remove the prototype for loop_optimize.
14370 2006-01-16 DJ Delorie <dj@redhat.com>
14372 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14375 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14377 * pa.md: Disparage copies between general and floating-point registers
14378 in 32-bit move patterns.
14380 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14383 * Makefile.in (check-%): Depend on site.exp instead of
14384 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14387 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14389 * global.c (global_alloc): Make it static.
14390 * rtl.h: Remove the prototype for global_alloc.
14392 2006-01-16 Richard Guenther <rguenther@suse.de>
14394 * tree-ssa-alias.c (struct used_part): Add write_only field.
14395 (get_or_create_used_part_for): Initialize it to true.
14396 (create_overlap_variables_for): Don't create structure variables
14397 for structures that only are written to.
14398 (find_used_portions): Handle MODIFY_EXPR to track whether a
14399 structure is only written to.
14401 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14403 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14405 * basic-block.h: Remove the prototype for
14406 partition_hot_cold_basic_blocks.
14408 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14410 * cppspec.c (lang_specific_spec_functions): Remove.
14411 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14412 * gcc.h (lang_specific_spec_functions): Remove.
14413 * gccspec.c (lang_specific_spec_functions): Remove.
14415 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14417 * combine.c (record_value_for_reg): Invalidate registers
14419 (record_dead_and_set_regs_1): Likewise, by passing them to
14420 record_value_for_reg.
14421 (record_dead_and_set_regs): Invalidate stores made by a
14422 call. We do not combine across a call, but we still
14423 relied on equivalences.
14425 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14427 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14428 vrp_int_const_binop returning non-constant nodes.
14430 2006-01-16 Paul Brook <paul@codesourcery.com>
14432 * config/m68k/m68k.c (output_move_const_into_data_reg):
14433 Output correct mnemonic for mvz and mvs.
14435 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14437 * rtl-factoring.c: Add sequence abstraction algorithm.
14438 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14439 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14441 (block_has_preserve_label): New function.
14442 * common.opt: Register new pass.
14443 * Makefile.in: Ditto.
14445 * timevar.def: Ditto.
14446 * tree-pass.h: Ditto.
14447 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14448 * rtl.h (make_jump_insn_raw): Add forward decl.
14449 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14451 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14452 Roger Sayle <roger@eyesopen.com>
14454 * fold-const.c (fold_minmax): New static function.
14455 (fold_binary) <MIN_EXPR>: Call it.
14456 <MAX_EXPR>: Likewise.
14457 * stor-layout.c (place_field): Use DECL_SIZE consistently
14458 in the computation of the new record size.
14460 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14462 * cse.c (cse_condition_code_reg): Make it static.
14463 * rtl.h: Remove the prototype for cse_condition_code_reg.
14465 * combine.c (combine_instructions): Make it static.
14466 * rtl.h: Remove the prototype for combine_instructions.
14468 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14471 * tree.c (get_file_function_name_long): Concatenate the first global
14472 object name with a string derived from the input filename of the object
14475 2006-01-16 Ben Elliston <bje@au.ibm.com>
14477 * config/i386/winnt-stubs.c: Update FSF address.
14478 * config/xtensa/ieee754-df.S: Ditto.
14479 * config/xtensa/ieee754-sf.S: Ditto.
14481 2006-01-14 Ian Lance Taylor <ian@airs.com>
14483 * ifcvt.c (noce_init_if_info): New static function, broken out of
14484 noce_process_if_block.
14485 (noce_process_if_block): Call noce_init_if_info.
14486 (check_cond_move_block): New static function.
14487 (cond_move_process_if_block): New static function.
14488 (process_if_block): Call cond_move_process_if_block.
14490 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14492 * cselib.c (hash_table): Rename to cselib_hash_table.
14493 (cselib_clear_table, discard_useless_values,
14494 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14495 cselib_init, cselib_finish): Adjust uses of hash_table.
14497 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14499 PR tree-optimization/25485
14500 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14501 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14502 is known to be false and true, respectively.
14504 2006-01-14 Richard Guenther <rguenther@suse.de>
14506 PR tree-optimization/22548
14507 PR tree-optimization/22555
14508 PR tree-optimization/22501
14509 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14510 * params.def (salias-max-array-elements): New parameter.
14511 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14512 * doc/invoke.texi (salias-max-array-elements): Document.
14513 * tree-flow-inline.h (var_can_have_subvars): We also handle
14515 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14517 * tree-ssa-structalias.c (params.h): Include.
14518 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14519 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14520 (get_constraint_for): For ADDR_EXPR operating on something
14521 containing an ARRAY_REF, add all subvars to the solution.
14522 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14523 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14524 for creating MUST_DEFs.
14525 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14527 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14529 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14531 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14532 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14533 number_of_iterations_le): New functions.
14534 (number_of_iterations_special): Removed.
14535 (number_of_iterations_exit): Do not use number_of_iterations_special.
14536 * tree.c (unsigned_type_for): Always return integer type.
14538 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14539 Richard Guenther <rguenther@suse.de>
14541 PR rtl-optimization/24257
14542 * gcse.c (find_moveable_store): Only consider a store movable
14543 when the SET_SRC of the insn can be assigned to a register.
14545 2006-01-14 Ian Lance Taylor <ian@airs.com>
14547 * tree.c (tree_not_class_check_failed): New function.
14548 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14549 (tree_not_class_check_failed): Declare.
14551 2006-01-13 Ian Lance Taylor <ian@airs.com>
14553 * reload1.c (do_output_reload): Add assertion rejecting a
14556 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14558 * combine.c (struct reg_stat): Add new fields truncation_label and
14560 (record_value_for_reg): Reset truncated_to_mode.
14561 (record_truncated_value): New function.
14562 (check_promoted_subreg): Call it. Rename to check_conversions.
14563 (combine_instructions): Rename check_promoted_subreg to
14565 (reg_truncated_to_mode): New function.
14566 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14567 (gen_lowpart_or_truncate): New function.
14568 (force_to_mode): Use it instead of gen_lowpart.
14570 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14572 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14573 VAR is a tag, not its type tag.
14575 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14577 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14578 alternatives to match style of other entries.
14579 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14581 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14583 PR tree-optimization/25771
14584 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14587 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14590 * tree-inline.c (declare_return_variable): If the return variable
14591 was marked as a non gimple complex, set the return slot variable
14592 to be a non gimple comple variable.
14594 2006-01-13 Richard Guenther <rguenther@suse.de>
14596 * builtins.c (expand_builtin_sincos): New function.
14597 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14599 (expand_builtin): Expand sincos using expand_builtin_sincos.
14601 2006-01-12 DJ Delorie <dj@redhat.com>
14603 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14604 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14605 so that constant shifts can be split.
14606 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14607 (m32c_valid_pointer_mode): Make static.
14608 (shift_gen_func_for): New.
14609 (m32c_prepare_shift): Use it. Split large const shifts into
14611 * config/m32c/predicates.md (shiftcount_operand): Allow more
14613 (longshiftcount_operand): New.
14614 * doc/md.texi (Machine Constraints): Document In6.
14616 2006-01-13 Ben Elliston <bje@au.ibm.com>
14618 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14619 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14622 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14624 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14625 to try to avoid clobbering pieces of structures when we know
14626 something about the whole structure.
14627 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14629 2006-01-13 Ben Elliston <bje@au.ibm.com>
14631 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14632 return in memory, as this is no limitation is no longer present.
14634 2006-01-12 DJ Delorie <dj@redhat.com>
14636 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14637 mova with fb, and for fb+0 -> An.
14639 * config/m32c/mov.md (peephole2): Fix enabling logic.
14641 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14642 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14643 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14644 FINI_ARRAY_SECTION_ASM_OP): Define.
14646 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14648 (m32c_legitimize_reload_address): New logic to reload FB to An.
14649 (m32c_output_reg_push): Add newline.
14650 (m32c_output_reg_pop): Likewise.
14652 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14654 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14656 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14658 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14660 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14662 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14665 2006-01-11 Ben Elliston <bje@au.ibm.com>
14667 * rtlanal.c (find_reg_note): Assert insn is not null.
14669 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14671 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14674 2006-01-11 Jeff Law <law@redhat.com>
14676 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14678 (mark_threaded_blocks, register_jump_thread): New functions.
14679 (thread_through_all_blocks): Remove unwanted argument. No
14680 longer rely on e->aux to communicate thread target info.
14681 Call mark_threaded_blocks. Release the threaded_blocks
14682 bitmap and threaded_edges vector when complete.
14683 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14684 (threaded_blocks): Remove.
14685 (tree_ssa_dominator_optimize): Remove initialization and
14686 finalization of threaded_blocks. Simplify call to
14687 thread_through_all_blocks.
14688 (thread_across_edge): Call register_jump_thread rather than
14689 storing thread information into e->aux.
14690 (free_all_edge_infos): Simplify now that e->aux is no longer
14691 used to communicate with thread_through_all_blocks.
14692 * tree-flow.h (thread_through_all_blocks): Update prototype.
14693 (register_jump_thread): Prototype.
14695 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14697 * df-core.c (df_compact_blocks, df_bb_replace): Use
14698 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14700 2006-01-11 Richard Guenther <rguenther@suse.de>
14702 PR tree-optimization/25734
14703 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14704 stop propagation after successful propagation to the LHS.
14706 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14708 * basic-block.h (control_flow_graph): Change the type of
14709 x_basic_block_info to VEC(basic_block,gc) *.
14710 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14712 (SET_BASIC_BLOCK): New.
14713 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14714 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14715 * cfgbuild.c (find_basic_blocks): Likewise.
14716 * cfglayout.c (fixup_reorder_chain): Likewise.
14717 * cfgrtl.c (create_basic_block_structure,
14718 rtl_create_basic_block): Likewise.
14719 * ifcvt.c (find_if_case_1): Likewise.
14720 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14723 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14725 * Makefile.in: Removed rotted odf.c entry.
14727 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14730 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14731 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14732 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14733 output pattern modifier, not %e.
14734 * config/cris/cris.c (cris_op_str): Update comment about pattern
14736 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14737 before falling through into...
14738 <case 'E'>: Redefined from old 'e' case.
14740 2006-01-11 Jan Hubicka <jh@suse.cz>
14743 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14745 2006-01-11 Jan Hubicka <jh@suse.cz>
14747 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14748 * i386.c (x86_decompose_lea): Kill.
14749 (ix86_rtx_costs): Kill.
14751 2006-01-11 Jan Hubicka <jh@suse.cz>
14753 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14754 * cgraph.h (cgraph_node): Add inline_decl.
14755 (cgraph_insert_node_to_hashtable): Declare.
14756 (save_inline_function_body): Declare.
14757 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14759 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14760 (cgraph_function_versioning): Update call of tree_function_versioning.
14761 (save_inline_function_body): New function.
14762 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14763 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14764 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14765 (cgraph_default_inline_p): Likewise.
14766 (cgraph_decide_inlining_incrementally): Likewise.
14767 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14768 (copy_bb): Kill saving; do updating of clones.
14769 (copy_cfg_body): Kill saving.
14770 (initialize_inlined-parameters): Likewise.
14771 (expand_call_inline): Likewise.
14773 (tree_function_versioning): New parameter "update_clones".
14774 (inlining_p): Kill saving.
14775 * tree-inline.h (tree_function_versioning): Update prototype.
14776 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14779 2006-01-11 Ian Lance Taylor <ian@airs.com>
14781 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14782 Allow undoing set of machine mode.
14783 (do_SUBST): Use enums instead of is_int.
14784 (do_SUBST_MODE): New function.
14785 (SUBST_MODE): New macro.
14786 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14787 reg and trying to replace reg_regno_rtx with a new register.
14788 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14789 (simplify_set): Use SUBST_MODE.
14790 (distribute_notes): Remove code that tried to update reg notes
14791 for regno_reg_rtx changes.
14793 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14795 PR tree-optimization/23109
14796 PR tree-optimization/23948
14797 PR tree-optimization/24123
14799 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14800 * tree-cfg.c (single_noncomplex_succ): New.
14801 * tree-flow.h (single_noncomplex_succ): Declare it.
14802 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14803 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14804 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14805 insert_bb, register_division_in, insert_reciprocals,
14806 replace_reciprocal, free_bb): New.
14807 (execute_cse_reciprocals_1): Rewritten.
14808 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14809 Do not commit any edge insertion. Always compute dominators and
14810 create the allocation pool.
14811 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14812 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14813 * targhooks.c (default_min_divistions_for_recip_mul): New.
14814 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14815 * passes.c (init_optimization_passes): Run recip after tree loop
14817 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14819 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14820 Kenneth Zadeck <zadeck@naturalbridge.com>
14822 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14823 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14824 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14825 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14826 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14827 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14828 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14829 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14830 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14831 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14832 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14833 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14834 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14835 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14836 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14837 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14838 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14839 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14840 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14841 DF_SCAN_POST_ALLOC): New macros.
14842 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14843 df_free_bb_function, df_local_compute_function, df_init_function,
14844 df_dataflow_function, df_confluence_function_0,
14845 df_confluence_function_n, df_transfer_function,
14846 df_finalizer_function, df_free_function, df_dump_problem_function,
14847 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14848 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14849 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14850 df_urec_bb_info, ) New types.
14851 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14853 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14854 df_analyze_simple_change_some_blocks,
14855 df_analyze_simple_change_one_block, df_compact_blocks,
14856 df_bb_replace, df_bb_regno_last_use_find,
14857 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14858 df_insn_regno_def_p, df_find_def, df_find_use,
14859 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14860 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14861 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14862 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14863 debug_df_chain, df_get_dependent_problem, df_chain_create,
14864 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14865 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14866 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14867 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14868 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14869 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14870 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14871 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14872 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14873 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14874 df_reorganize_refs, df_set_state, df_hard_reg_init,
14875 df_read_modify_subreg_p) New public functions.
14876 * df-core.c: The core dataflow solver and glue routines for rtl
14878 (df_init, df_add_problem, df_set_blocks, df_finish,
14879 df_hybrid_search_forward, df_hybrid_search_backward,
14880 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14881 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14882 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14883 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14884 df_reg_defined, df_find_use, df_reg_used, df_dump,
14885 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14886 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14887 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14888 debug_df_useno, reset_df_after_reload): New functions.
14889 * df-scan.c: The scanning fuctions, once in df.c, completely
14890 rewritten so that they now fully model the functionality of
14891 register usage at the backend.
14892 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14893 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14894 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14895 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14896 df_get_artificial_defs, df_get_artificial_uses,
14897 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14898 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14899 df_refs_delete, df_reorganize_refs, df_set_state,
14900 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14901 df_def_record_1, df_defs_record, df_uses_record,
14902 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14903 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14904 df_record_exit_block_uses, df_hard_reg_init): New functions.
14906 * df-problems.c: Seven concrete dataflow problems that use the
14907 scanning in df-scan.c and are solved by the engine in df-core.c.
14908 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14909 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14910 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14911 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14912 df_ru_free_bb_info, df_ru_alloc,
14913 df_ru_bb_local_compute_process_def,
14914 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14915 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14916 df_ru_transfer_function, df_ru_free, df_ru_dump,
14917 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14918 df_rd_free_bb_info, df_rd_alloc,
14919 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14920 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14921 df_rd_transfer_function, df_rd_free, df_rd_dump,
14922 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14923 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14924 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14925 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14926 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14927 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14928 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14929 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14930 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14931 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14932 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14933 df_urec_mark_reg_use_for_earlyclobber,
14934 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14935 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14936 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14937 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14938 df_chain_create_bb_process_use, df_chain_create_bb,
14939 df_chain_finalize, df_chain_free, df_chains_dump,
14940 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14941 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14942 df_reg_lifetime): New functions.
14943 * df.c: Deleted file.
14944 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14945 consistent with new df api.
14946 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14947 rest_of_handle_sms): Ditto.
14948 * web.c (unionfind_union, union_defs, entry_register, web_main):
14950 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14951 invariant_expr_equal_p, find_defs, check_dependencies,
14952 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14953 free_inv_motion_data, move_loop_invariants): Ditto.
14954 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
14955 Update dependencies.
14956 (odf.c): Added defective entry that was deleted later in day.
14957 * sched-deps.c (sched_analyze_1): Ditto.
14959 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
14961 * tree-ssa-operands.c (get_expr_operands): Record addressable
14962 variables directly. Do not call add_stmt_operands for CONST_DECLs
14964 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
14965 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
14967 2006-01-11 Ben Elliston <bje@au.ibm.com>
14969 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
14970 function returns true in the positive case.
14972 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14975 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
14976 for SI, DI, SF and DF modes. Add alternatives to copy between
14977 general and floating point registers to the 32-bit patterns.
14978 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
14979 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
14980 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
14981 generating 64-bit code.
14982 * config/pa/pa.c (output_move_double): Handle copies between general
14983 and floating registers.
14985 2006-01-10 Stuart Hastings <stuart@apple.com>
14987 * config/i386/i386.md (set_got): Update.
14988 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
14989 (builtin_setjmp_receiver): Mach-O support.
14990 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
14991 (GOT_SYMBOL_NAME): Define.
14992 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
14993 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
14994 * config/i386/i386.c (override_options): Revise for Darwin.
14995 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
14996 support. (darwin_x86_file_end): New. (output_set_got): Add label
14997 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
14998 * config/i386/i386-protos.h (output_set_got): Likewise.
14999 * config/darwin.c (machopic_legitimize_pic_address): Update
15002 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15004 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15005 when MODE isn't BLKmode.
15007 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15009 PR rtl-optimization/25367
15010 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15012 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15015 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15016 for a negative bound.
15018 2006-01-10 Richard Guenther <rguenther@suse.de>
15020 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15021 Never override with anything constraint.
15023 2006-01-10 Jan Beulich <jbeulich@novell.com>
15025 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15026 256 bits when optimize_size.
15028 2006-01-10 Jan Beulich <jbeulich@novell.com>
15030 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15032 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15033 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15036 2006-01-10 Ben Elliston <bje@au.ibm.com>
15038 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15040 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15041 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15042 (USE_FP_FOR_ARG): Reject decimal float modes.
15043 (function_arg_advance): Likewise.
15044 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15045 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15046 point types in AltiVec vectors.
15047 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15048 (rs6000_libcall_value): Likewise.
15050 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15052 * config/xtensa/ieee754-df.S: New file.
15053 * config/xtensa/ieee754-sf.S: New file.
15054 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15055 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15056 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15058 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15060 * config/sh/predicates.md (binary_float_operator,
15061 binary_logical_operator, commutative_float_operator,
15062 equality_comparison_operator, greater_comparison_operator,
15063 less_comparison_operator, logical_operator,
15064 noncommutative_float_operator, shift_operator,
15065 symbol_ref_operand, unary_float_operator): Remove redundant
15068 2006-01-09 Jeff Law <law@redhat.com>
15070 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15071 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15072 now unused arguments. Callers updated.
15073 (eliminate_redundant_computations): Remove now unused arguments,
15075 (local_fold): Remove, no longer used.
15076 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15078 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15079 (simplify_cond): New function.
15080 (forward_propagate_into_cond): Call simplify_cond.
15082 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15084 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15085 (*vec_extractv2di_1_sse): New.
15087 2006-01-09 Ben Elliston <bje@au.ibm.com>
15089 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15091 2006-01-08 Richard Guenther <rguenther@suse.de>
15093 * tree-ssa-structalias.c (get_constraint_for): Remove
15094 anyoffset argument.
15095 (get_constraint_for_component_ref): Likewise.
15096 (do_deref): Likewise.
15097 (get_constraint_for): Likewise.
15098 (do_structure_copy): Likewise.
15099 (handle_ptr_arith): Likewise.
15100 (find_func_aliases): Likewise. Remove unused need_anyoffset
15103 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15104 Kaz Kojima <kkojima@gcc.gnu.org>
15106 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15107 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15108 (EXTRA_CONSTRAINT_C16): Remove.
15109 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15110 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15111 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15112 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15113 constants of SHmedia. Handle nested constant expressions of
15115 (andcosts): Fix the costs for SHmedia constants.
15116 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15117 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15118 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15119 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15120 (movv4hi_i, movv2si_i): Likewise.
15121 (movsi_const): Adjust the second operand of ior so to match with
15122 the Csu constraint.
15123 (movdi_const, movdi_const_32bit): Likewise.
15124 (movdi_const_16bit+1): Don't sign-extend LOW.
15125 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15127 (*double_shori): Fix the split condition. Use GEN_INT instead
15128 of get_int_mode calls. Mask lower 16-bit of the argument of
15130 (sym2GOTPLT): Remove.
15131 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15133 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15134 instead of EXTRA_CONSTRAINT_C16.
15136 2006-01-07 Ian Lance Taylor <ian@airs.com>
15137 David Edelsohn <edelsohn@gnu.org>
15139 PR rtl-optimization/25662
15140 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15141 for constant operands instead of simplify_gen_binary.
15142 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15143 after trying simplify_binary_operation
15145 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15147 * tree.c (iterative_hash_expr): Hash decls based on UID.
15149 2006-01-06 Eric Christopher <echristo@apple.com>
15151 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15152 (TARGET_UNWIND_EMIT): Fix spelling.
15153 * target.h (gcc_target): Add except_table_label.
15154 * except.c (output_function_exception_table): Use.
15155 * varasm.c (default_emit_except_table_label): New.
15156 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15158 (asm_out): Add here.
15159 * output.h (default_emit_except_table_label): Prototype.
15160 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15161 * config/darwin.c (darwin_emit_except_table_label): Define.
15162 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15164 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15166 PR tree-optimization/18527
15167 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15168 number_of_iterations_special, number_of_iterations_exit):
15169 Move base and step of an iv to a single structure. Add
15170 no_overflow flag, and use it in # of iterations analysis.
15171 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15172 folded_casts argument.
15173 (simple_iv): Pass base and step in a structure. Set no_overflow
15175 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15176 Evaluate expensiveness of computing # of iterations instead of
15177 the final expression.
15178 * tree-scalar-evolution.h (affine_iv): New structure.
15179 (simple_iv): Declaration changed.
15180 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15181 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15182 find_givs_in_stmt): Changed due to simple_iv change.
15184 2006-01-06 Jeff Law <law@redhat.com>
15187 * tree-cfg.c (bsi_replace): Rename final argument from
15188 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15189 change (stmt -> orig_stmt).
15190 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15191 (bsi_remove): Add new argument. Remove EH information
15193 (verify_eh_throw_table_statements): New function.
15194 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15196 * tree-optimize.c (execute_free_cfg_annotations): Verify
15197 the EH throw statement table after removing annotations.
15198 * except.h (verify_eh_throw_table_statements): Prototype.
15199 * tree-flow.h (bsi_remove): Update prototype.
15200 * tree-vrp.c (remove_range_assertions): Add new argument to
15202 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15203 * tree-complex.c (expand_complex_div_wide): Likewise.
15204 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15205 * tree-tailcall.c (eliminate_tailcall): Likewise.
15206 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15207 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15208 * tree-nrv.c (tree_nrv): Likewise.
15209 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15210 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15211 (combine_blocks): Likewise.
15212 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15213 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15214 (cleanup_control_flow): Likewise.
15215 (remove_forwarder_block): Likewise.
15216 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15217 * tree-sra.c (sra_replace): Likewise.
15218 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15219 (forward_propagate_single_use_vars): Likewise.
15220 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15221 * tree-inline.c (expand_call_inline): Likewise.
15222 * tree-vect-transform.c (vect_transform_loop): Likewise.
15223 * tree-outof-ssa.c (rewrite_trees): Likewise.
15224 * tree-cfg.c (make_goto_expr_edges): Likewise.
15225 (cleanup_dead_labels): Likewise.
15226 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15227 (bsi_move_before, bsi_move_after): Likewise.
15228 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15229 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15231 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15234 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15236 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15237 on non gimple variables. Also add checks at the top for decls and
15239 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15241 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15242 and IMAGPART_EXPR for creating MUST_DEFs.
15243 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15244 and NAME_MEMORY_TAG separately from the DECLs.
15246 2006-01-06 Richard Guenther <rguenther@suse.de>
15248 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15249 annotation, if necessary.
15250 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15251 redundant calls to update_stmt.
15252 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15255 2006-01-05 Richard Henderson <rth@redhat.com>
15257 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15259 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15261 * c-typeck.c: Update copyright date.
15263 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15265 * c-typeck.c (build_c_cast): Always warn when casting
15266 from a pointer to an integer of different size, even if
15267 the node was constant.
15269 2006-01-05 Richard Guenther <rguenther@suse.de>
15271 PR tree-optimization/22555
15272 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15273 if one structure field is an array.
15274 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15275 operands even if we found a subvar, but ignore VOPs in this
15277 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15279 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15281 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15283 PR middle-end/24998
15284 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15286 2006-01-05 Richard Guenther <rguenther@suse.de>
15287 Diego Novillo <dnovillo@redhat.com>
15289 * tree-pass.h (TODO_remove_unused_locals): Define.
15290 * gimple-low.c (expand_var_p, remove_useless_vars,
15291 pass_remove_useless_vars): Remove. Update all users.
15292 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15293 (remove_unused_locals): New function.
15294 * tree-flow.h (remove_unused_locals): Declare.
15295 * passes.c (execute_todo): Call remove_unused_locals if
15296 TODO_remove_unused_locals is set.
15297 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15298 * tree-ssa-dce.c (pass_dce): Likewise.
15299 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15301 2006-01-05 Richard Guenther <rguenther@suse.de>
15303 * tree-flow.h (struct fieldoff): Decompose field to
15304 type, size and decl.
15305 * tree-ssa-alias.c (create_sft): Take type as parameter.
15306 (create_overlap_variables_for): Store type, size and decl
15307 in the fieldoff structure.
15308 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15309 of struct fieldoff.
15310 (push_fields_onto_fieldstack): Likewise.
15311 (create_variable_info_for): Likewise. Use offset for the
15312 SFT name if the decl is not available.
15314 2006-01-04 Paul Brook <paul@codesourcery.com>
15316 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15318 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15320 * lambda-code.c (can_put_in_inner_loop): Relax
15322 (can_put_after_inner_loop): New function.
15323 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15324 (perfect_nestify): Change to make copies and modify uses.
15326 2006-01-04 Richard Henderson <rth@redhat.com>
15328 Merge from gomp branch:
15329 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15330 via integer constant.
15331 (pragma_lex): Remove.
15332 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15333 rather than parsing it.
15334 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15335 handle_pragma_extern_prefix): Add %< %> quotes.
15336 (registered_pragmas): New.
15337 (c_register_pragma_1): New.
15338 (c_register_pragma): Use it.
15339 (c_register_pragma_with_expansion): Likewise.
15340 (c_invoke_pragma_handler): New.
15341 (init_pragma): Use cpp_register_deferred_pragma directly for
15343 * c-pragma.h (enum pragma_kind): New.
15344 (pragma_handler): New.
15345 (c_invoke_pragma_handler): Declare.
15346 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15348 * c-common.h (c_common_pch_pragma): Update decl.
15349 * Makefile.in (c-parser.o): Update dependencies.
15350 (GTFILES): Add c-pragma.h.
15351 * c-parser.c (struct c_token): Add pragma_kind.
15352 (struct c_parser): Add in_pragma.
15353 (c_lex_one_token): Always initialize keyword and pragma_kind.
15354 Extract data for CPP_PRAGMA.
15355 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15356 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15357 Don't allow CPP_PRAGMA_EOL if in_pragma.
15358 (c_parser_consume_pragma): New.
15359 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15360 (c_parser_skip_to_end_of_parameter): Likewise.
15361 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15362 (c_parser_skip_to_pragma_eol): New.
15363 (c_parser_external_declaration): Handle CPP_PRAGMA.
15364 (c_parser_compound_statement_nostart): Likewise.
15365 (c_parser_statement_after_labels): Likewise.
15366 (c_parser_pragma): New.
15367 (pragma_lex): Likewise.
15368 (c_parser_pragma_pch_preprocess): New.
15369 (c_parser_new): Merge into ...
15370 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15372 2006-01-04 Jeff Law <law@redhat.com>
15375 * tree-cfg.c (bsi_replace): Remove the original statement
15376 from the EH throw statement table.
15378 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15380 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15381 make the prototype extern "C" and add throw ().
15384 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15385 and pos non-negative and pos + len <= 32.
15386 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15387 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15388 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15391 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15392 as well as sizes not multiple of component size.
15395 * function.c (instantiate_expr): New function.
15396 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15397 walk its DECL_VALUE_EXPR with instantiate_expr.
15399 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15400 DW_OP_deref{,_size} if address isn't going to be added.
15402 2006-01-04 Ben Elliston <bje@au.ibm.com>
15404 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15405 * config/fp-bit.c: Likewise.
15407 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15409 * dominance.c: Add comment about why we use DFS numbering
15412 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15413 Richard Henderson <rth@redhat.com>
15415 Merge from gomp-branch:
15416 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15417 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15419 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15421 PR rtl-optimization/25578
15422 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15423 pass a parameter to simplify_shift_const if changing ASHIFTRT
15426 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15428 * builtins.c (get_builtin_sync_mem): New function.
15429 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15430 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15431 Call get_builtin_sync_mem to generate mem rtx.
15433 2006-01-03 Richard Guenther <rguenther@suse.de>
15436 * stmt.c (add_case_node): Make sure to clear overflow flags
15439 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15441 Merge from gomp-branch.
15442 * config/sparc/sync.md: New file.
15443 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15444 UNSPECV_LDSTUB): New constants.
15445 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15446 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15447 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15450 2006-01-03 Roger Sayle <roger@eyesopen.com>
15452 * combine.c (reg_subword_p): New predicate to test whether the
15453 destination of a set refers to a subword/piece of a register.
15454 (try_combine): Generalize the code to merge the setting of a
15455 pseudo to a constant followed by a set of a subword of that
15456 register to a constant.
15458 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15460 * basic-block.h (control_flow_graph): Change the type of
15461 x_label_to_block_map to VEC(basic_block,gc) *.
15462 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15463 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15465 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15466 VEC(basic_block,heap) *.
15467 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15468 ssa_prop_fini): Adjust the uses of cfg_blocks.
15470 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15472 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15474 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15475 hashing trees instead of a pointer hash.
15476 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15477 compare for MEM_EXPR.
15479 PR rtl-optimization/25130
15480 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15481 when comparing MEMs for GCSE
15483 2006-01-03 Ben Elliston <bje@au.ibm.com>
15485 * targhooks.h (default_decimal_float_supported_p): Declare.
15486 * targhooks.c (default_decimal_float_supported_p): Define.
15487 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15488 `default_decimal_float_supported_p'.
15489 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15491 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15493 * combine.c (apply_distributive_law <SUBREG>): Check
15494 TRULY_NOOP_TRUNCATION.
15496 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15498 * dwarf2out.c (have_switched_text_section): Delete.
15499 (have_multiple_function_sections): New.
15500 (have_location_lists): Make 'bool'.
15501 (add_AT_loc_list): Use 'true' not '1'.
15502 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15503 (output_loc_list): Use have_multiple_function_sections.
15504 (output_ranges): Likewise.
15505 (dwarf2out_begin_function): Set have_multiple_function_sections if
15507 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15508 Check function_section rather than DECL_SECTION_NAME.
15509 (dwarf2out_finish): Use have_multiple_function_sections.
15510 Don't clear have_location_lists.
15512 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15513 Jan Hubicka <jh@suse.cz>
15515 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15516 case of conditional jump jumping to the next instruction.
15517 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15518 cases of conditional jump jumping to the next instruction.
15520 2006-01-02 Jan Hubicka <jh@suse.cz>
15522 * i386.c (*_cost): Add COSTS_N_INSNS.
15523 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15525 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15528 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15530 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15532 * config/arm/arm.c (all_fpus): Fix comment typo.
15533 * config/darwin.c: Likewise.
15534 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15535 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15536 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15538 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15540 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15541 (rs6000_split_compare_and_swapqhi): New.
15542 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15543 (sync_compare_and_swapqhi_internal): New.
15544 * config/rs6000/rs6000-protos.h: Declare.