1 2006-10-10 Richard Guenther <rguenther@suse.de>
3 PR rtl-optimization/29323
4 * except.c (set_nothrow_function_flags): For functions
5 that do not bind local bail out early.
7 2006-10-10 Ben Elliston <bje@au.ibm.com>
9 * doc/invoke.texi (RS/6000 and PowerPC Options): Add -m to the
12 2006-10-09 Richard Henderson <rth@redhat.com>
16 2006-10-09 Richard Guenther <rguenther@suse.de>
19 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
22 2006-10-09 Steve Ellcey <sje@cup.hp.com>
25 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
26 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
27 * configure: Regenerate.
28 * config.in: Regenerate.
30 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
32 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
34 2006-10-08 Richard Sandiford <richard@codesourcery.com>
36 * config/mips/mips.c (mips_legitimize_tls_address): Implement
37 all TLS models in the same way as local exec if !TARGET_ABICALLS.
40 2006-10-08 Richard Sandiford <richard@codesourcery.com>
42 * config/mips/mips.c (mips_classify_symbol): Do not return
43 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
44 (mips_in_small_data_p): Tweak comments.
46 2006-10-08 Richard Sandiford <richard@codesourcery.com>
48 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
50 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
52 * gimplify.c, sched-int.h: Fix comment typos.
54 * sched-int.h: Fix comment typos.
56 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
58 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
60 * sched-ebb.c (begin_schedule_ready): Use them.
61 * haifa-sched.c (schedule_insn, move_insn, try_ready,
62 add_to_speculative_block, create_check_block_twin, speculate_insn,
63 fix_jump_move, move_block_after_check): Ditto.
64 * sched-rgn.c (new_ready): Ditto.
66 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
68 PR rtl-optimization/29128
69 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
70 * sched-ebb.c (advance_target_bb): Use it to fix condition to
71 allow interblock movement of speculation checks.
73 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
76 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
77 casted to integer type.
78 (get_address_cost): Decrease cost of [symbol + index] addressing modes
79 if they are significantly more expensive than [reg + index] ones.
81 2006-10-06 Jakub Jelinek <jakub@redhat.com>
83 PR tree-optimization/29330
84 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
85 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
86 on newly allocated ddrs.
87 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
88 to VEC (loop_p, heap) pointer.
89 (compute_data_dependences_for_loop): Adjust caller.
90 (free_dependence_relations): Free DDR_LOOP_NEST.
92 * tree-loop-linear.c (linear_transform_loops): Don't forget to
93 free DEPENDENCE_RELATIONS and DATAREFS.
96 * builtins.c (expand_builtin_sync_operation,
97 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
98 Use convert_to_mode to handle promoted arguments.
100 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
102 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
104 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
106 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
108 2006-10-05 Uros Bizjak <uros@kss-loka.si>
110 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
111 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
112 Use <modeconstraint> instead of "r" as operand 1 constraint.
114 2006-10-06 Olivier Hainque <hainque@adacore.com>
116 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
117 Don't recurse on the pointed-to type.
118 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
119 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
120 types with components of variable size.
122 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
124 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
126 2006-10-06 Jakub Jelinek <jakub@redhat.com>
128 PR tree-optimization/29290
129 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
133 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
134 * config/i386/predicates.md (local_symbolic_operand): Likewise.
137 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
138 the number of vector elements fill the rest with zeros.
140 2006-10-05 Richard Sandiford <richard@codesourcery.com>
142 * config/mips/mips.c (mips_pass_by_reference): Do not return false
143 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
146 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
148 * config/bfin/bfin.md (subsi3): Lose expander, change previously
149 unnamed pattern into subsi3. Use correct constraints/predicates.
150 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
151 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
153 2006-10-05 Ira Rosen <irar@il.ibm.com>
155 * doc/loop.texi: Add data references analysis description.
157 2006-10-04 Brooks Moses <bmoses@stanford.edu>
159 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
161 2006-10-04 Richard Henderson <rth@redhat.com>
162 Jakub Jelinek <jakub@redhat.com>
164 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
165 * builtin-types.def (BT_WORD): Make unsigned.
166 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
167 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
168 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
169 * c-decl.c (grokdeclarator): Don't error if !have_tls.
170 * c-parser.c (c_parser_omp_threadprivate): Likewise.
171 * cgraph.c (decide_is_variable_needed): Look at force_output.
172 Recurse for emulated tls.
173 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
174 checks redundant with decide_is_variable_needed.
175 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
176 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
178 * expr.c (emutls_var_address): New.
179 (expand_expr_real_1): Expand emulated tls.
180 (expand_expr_addr_expr_1): Likewise.
181 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
182 * output.h (emutls_finish): Declare.
183 * toplev.c (compile_file): Call it.
184 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
185 address before wrapping in CONST.
186 * varasm.c (emutls_htab, emutls_object_type): New.
187 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
188 (get_emutls_object_name, get_emutls_object_type): New.
189 (get_emutls_init_templ_addr, emutls_decl): New.
190 (emutls_common_1, emutls_finish): New.
191 (assemble_variable): When emulating tls, swap decls; generate
192 constructor for the emutls objects.
193 (do_assemble_alias): When emulating tls, swap decl and target name.
194 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
196 * emutls.c: New file.
197 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
198 tls_object for real tls.
200 2006-10-04 Zack Weinberg <zackw@panix.com>
202 Fix bug in constraint-check generator, reported by Rask Ingemann
204 * genpreds.c (add_constraint): Don't remove anything from the
206 (write_tm_constrs_h): Detect whether "op" argument is used, and
207 mark it ARG_UNUSED if it isn't.
208 (write_insn_const_int_ok_for_constraint): Skip the part of the
209 expression that would test whether "op" (which is not available
210 here) is a CONST_INT.
212 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
215 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
217 2006-10-03 Geoffrey Keating <geoffk@apple.com>
219 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
220 current Leopard versions.
221 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
223 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
225 * doc/install.texi: Fix typos.
227 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
229 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
230 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
231 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
233 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
235 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
236 arg to be struct mach_header_64* instead.
238 2006-10-02 Jakub Jelinek <jakub@redhat.com>
241 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
242 side effects after the outer expression's post side effects.
244 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
246 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
247 comments to reflect actual behavior and relationship between
248 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
250 * doc/c-tree.texi (Working with declarations): Fix documentation
251 of FIELD_DECL likewise.
253 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
256 * doc/extend.texi: Add used variable attribute description.
258 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
261 * c.opt (Woverride-init): New.
262 * c-opts.c (c_common_post_options): Default warn_override_init to
264 * c-typeck.c (add_pending_init, output_init_element): Warn for
265 overriding initializers without side effects.
266 * doc/invoke.texi (-Woverride-init): Document.
269 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
271 PR rtl-optimization/28096
272 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
273 assignment has already been used as a destination earlier in the block.
275 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
277 * builtins.c (expand_builtin_setjmp): Delete.
278 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
279 <BUILT_IN_SETJMP_SETUP>: New case.
280 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
281 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
282 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
283 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
284 (BUILT_IN_SETJMP_RECEIVER): Likewise.
285 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
286 (lower_function_body): Initialize it to false. If it is set to true
287 at the end of the processing, emit the setjmp dispatcher.
288 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
289 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
290 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
291 on the rhs of the assignment.
292 (lower_builtin_setjmp): New function.
293 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
294 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
295 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
296 to detect calls that can go to non-local labels. Use specific
297 helper to create the abnormal edges associated with them.
298 <MODIFY_EXPR>: Likewise.
299 (make_abnormal_goto_edges): New function extracted from...
300 (make_goto_expr_edges): ...here. Call it for computed gotos.
301 (simple_goto_p): Minor tweak.
302 (tree_can_make_abnormal_goto): New predicate.
303 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
304 (tree_purge_dead_abnormal_call_edges): New function.
305 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
306 (tree_purge_dead_abnormal_call_edges): Likewise.
307 (make_abnormal_goto_edges): Likewise.
308 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
309 Purge all dead abnormal edges if the call was in the last statement.
310 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
311 (execute_fixup_cfg): If there are non-local labels in the function,
312 scan the basic blocks and split them at calls that can go to non-local
313 labels or add missing abnormal call edges. Write down the CFG in the
315 (pass_fixup_cfg): Remove TODO_dump_func flag.
316 * unwind-sjlj.c: Poison setjmp.
317 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
318 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
319 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
320 (DONT_USE_BUILTIN_SETJMP): Document it.
322 2006-09-28 Geoffrey Keating <geoffk@apple.com>
325 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
326 to 1 when __ppc64__ is defined.
327 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
329 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
331 2006-09-28 Steve Ellcey <sje@cup.hp.com>
333 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
334 * config/ia64/unwind-hpux.c: Delete.
336 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
338 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
339 on the element before gimplifying it, instead of punting if it is of
342 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
344 * doc/loop.texi: New file.
345 * doc/gccint.texi: Reference loop.texi.
346 * Makefile.in (loop.texi): Add.
348 2006-09-27 Geoffrey Keating <geoffk@apple.com>
350 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
352 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
353 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
355 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
357 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
359 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
361 * doc/install.texi: Document required versions of GMP and MPFR.
363 2006-09-27 Paul Brook <paul@codesourcery.com>
366 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
368 2006-09-27 Richard Sandiford <richard@codesourcery.com>
370 * reload1.c (alter_reg): Require the alignment of the stack slot to
371 be at least reg_max_ref_width bytes.
372 (scan_paradoxical_subregs): Record the largest width in
375 2006-09-26 Jakub Jelinek <jakub@redhat.com>
379 * tree-nested.c (struct nesting_info): Added static_chain_added.
380 (convert_call_expr): Set static_chain_added when adding static
381 chain. Handle OMP_PARALLEL and OMP_SECTION.
383 2006-09-25 Matthias Klose <doko@debian.org>
385 * doc/invoke.texi: Add missing full stop.
387 2006-09-25 Richard Henderson <rth@redhat.com>
389 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
390 before cgraph_function_flags_ready.
392 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
393 Adam Nemet <anemet@caviumnetworks.com>
395 * tree-ssa-loop-ivopts.c (aff_combination_convert,
396 determine_common_wider_type): New functions.
397 (get_computation_aff): Use them to simplify arithmetic between
398 UBASE and CBASE if they are shortened from the same type.
400 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
403 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
404 -2147483647 - 1 instead of 0x80000000.
406 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
408 * flags.h (HONOR_NANS): Fix typo in comment.
410 2006-09-23 Uros Bizjak <uros@kss-loka.si>
412 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
414 2006-09-23 Jakub Jelinek <jakub@redhat.com>
418 * tree.c (merge_attributes, attribute_list_contained): If both
419 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
421 * c-typeck.c (comptypes_internal): Don't consider aggregates
422 in different TUs as compatible if there one set of attributes is
423 not a subset of the other type's attributes.
424 (composite_type): Try harder not to create a new aggregate type.
426 2006-09-22 Geoffrey Keating <geoffk@apple.com>
428 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
429 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
430 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
431 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
432 than replicating condition above.
433 * config.host (i[34567]86-*-*): Always use driver-i386.o.
435 * config/darwin.h (LINK_SYSROOT_SPEC): New.
436 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
437 the linker by default.
439 2006-09-22 Mike Stump <mrs@apple.com>
441 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
444 2006-09-22 Richard Guenther <rguenther@suse.de>
447 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
448 sort of stack variables stable.
450 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
453 * explow.c (force_reg): Set REG_POINTER flag according to
456 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
458 PR tree-optimization/28888
459 * tree-if-conv.c (combine_blocks): Rewritten.
460 * tree-cfg.c (tree_verify_flow_info): Check that edges with
461 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
463 2006-09-22 Jakub Jelinek <jakub@redhat.com>
465 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
468 2006-09-21 Richard Sandiford <richard@codesourcery.com>
470 * varasm.c (copy_constant): Fix reversed gcc_assert check.
472 2006-09-21 Janis Johnson <janis187@us.ibm.com>
474 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
476 2006-09-21 Roger Sayle <roger@eyesopen.com>
479 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
480 dw_fde_current_label, to be the start of the function, i.e. the same
481 value as dw_fde_begin.
483 2006-09-20 Richard Sandiford <richard@codesourcery.com>
485 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
486 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
487 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
488 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
489 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
490 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
491 (abs<mode>2, neg<mode>2): Likewise.
492 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
493 (*mips_abs_ps): New define_insn.
495 2006-09-20 Josh Conner <jconner@apple.com>
498 * calls.c (expand_call): Allow reuse of structure return stack
501 2006-09-20 Paul Brook <paul@codesourcery.com>
503 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
506 2006-09-20 Janis Johnson <janis187@us.ibm.com>
508 * doc/extend.texi (Decimal Float): Update for latest draft TR,
509 clean up terminology.
511 2006-09-20 Steve Ellcey <sje@cup.hp.com>
514 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
515 with tablejumps in them.
517 2006-09-20 Jakub Jelinek <jakub@redhat.com>
520 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
521 wrap it into TARGET_EXPR.
523 2006-09-20 Eric Christopher <echristo@apple.com>
525 * config/i386/i386.c (x86_fisttp): Remove.
526 * config/i386/i386.h (x86_fisttp): Ditto.
527 (TARGET_FISTTP): Ditto.
529 2006-09-19 Eric Christopher <echristo@apple.com>
531 * doc/tm.texi (OBJC_JBLEN): Describe.
532 * config/i386/darwin.h (OBJC_JBLEN): Define.
533 * config/rs6000/darwin.h: Ditto.
535 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
537 PR rtl-optimization/21299
538 * reload1.c (reload): Purge invalid ASMs in the final pass.
540 2006-09-19 Steve Ellcey <sje@cup.hp.com>
543 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
544 pointers as legitimate constants.
546 2006-09-19 Paul Brook <paul@codesourcery.com>
549 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
551 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
553 PR tree-optimization/28887
554 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
555 component parts from the reference.
556 (gather_memory_references_ref): Record the reference without the
557 nonaddressable component parts.
559 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
562 * c-opts.c (c_common_handle_option): Ignore the -std options
563 if the input language is assembly.
565 2006-09-17 Ira Rosen <irar@il.ibm.com>
568 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
570 (ptr_ptr_may_alias_p): Likewise.
571 (record_record_differ_p): New function.
572 (base_object_differ_p): Call record_record_differ_p.
574 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
577 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
578 away for the expr argument.
580 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
583 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
584 before using it for dumping after vectorizing loops.
586 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
587 Jack Howarth <howarth@bromo.med.uc.edu>
590 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
591 skip on error_mark_node.
592 (rs6000_darwin64_record_arg_recurse): Likewise.
594 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
596 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
597 * doc/rtl.texi: Remove related documentation.
599 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
601 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
604 2006-09-15 Jim Wilson <wilson@specifix.com>
606 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
607 Handle symbol offsets same as they are handled in ia64_expand_move
610 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
612 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
613 Add forgotten parameter to the fprintf call.
615 2006-09-15 Steve Ellcey <sje@cup.hp.com>
617 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
619 2006-09-15 Uros Bizjak <uros@kss-loka.si>
621 * doc/contrib.texi: Add my entry.
623 2006-09-15 Nick Clifton <nickc@redhat.com>
625 * doc/md.texi (Processor pipeline description): Fix typo in
626 example of how to use the absence_set directive and reword the
627 description to make it slightly easier to read.
629 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
631 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
632 * loop-doloop.c (doloop_optimize): Use it to limit costs of
633 expanding the number of iterations.
634 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
636 * cfgrtl.c (emit_insn_at_entry): New function.
637 * rtl.h (emit_insn_at_entry): Declare it.
638 * integrate.c (emit_initial_value_sets): Use it.
640 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
642 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
644 (struct loop_work and related VEC declarations): Delete.
645 (bfin_dump_loops): Print out new member bad.
646 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
647 (bfin_scan_loop): Don't recurse.
648 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
649 loops. No longer need to update outer loops if the current one is
650 found bad. Move some validitiy checks to bfin_discover_loop.
651 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
652 but changed not to check for nesting. Also changed to use the new bad
654 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
655 time. Use bitmap based test to discover loop nesting.
657 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
659 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
662 2006-09-14 Richard Guenther <rguenther@suse.de>
663 Kazu Hirata <kazu@codesourcery.com>
666 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
667 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
668 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
669 with TARGET_FUNCTION_VALUE.
671 2006-09-14 Anatoly Sokolov <aesok@post.ru>
674 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
676 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
678 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
681 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
684 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
687 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
689 * basic_block.h (bb_has_eh_pred): Fix comment.
691 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
693 * flow.c (calculate_global_regs_live): Invalidate eh registers
694 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
695 (propagate_block): Handle eh registers as if they were set at basic
697 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
699 * global.c (global_conflicts): Make eh registers to conflict with
700 pseudos live at basic block begin.
701 * basic_block.h (bb_has_eh_pred): New function.
703 2006-09-13 Richard Sandiford <richard@codesourcery.com>
705 PR rtl-optimization/28982
706 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
707 index of a PRE_MODIFY or POST_MODIFY address.
708 * reload1.c (inc_for_reload): Use find_replacement on the original
709 base and index registers.
711 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
713 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
714 for -Os. Update __m128 alignment requirement.
716 2006-09-13 Jan Hubicka <jh@suse.cz>
718 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
720 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
722 PR rtl-optimization/28243
723 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
724 the insn to which the note was originally attached.
726 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
727 Roger Sayle <roger@eyesopen.com>
729 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
730 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
731 on platforms that don't use dwarf for debug info.
733 2006-09-12 Jason Merrill <jason@redhat.com>
736 * builtins.c (expand_builtin_setjmp_receiver): Clobber
737 hard_frame_pointer_rtx after using it to update the frame pointer.
739 2006-09-12 Roger Sayle <roger@eyesopen.com>
741 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
742 (TARGET_ASM_CLOSE_PAREN): Likewise.
743 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
744 (TARGET_ASM_CLOSE_PAREN): Likewise.
746 2006-09-12 Roger Sayle <roger@eyesopen.com>
749 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
750 frame information for frames larger than 512 Kbytes on Tru64 when
751 using the native assembler.
753 2006-09-12 Roger Sayle <roger@eyesopen.com>
757 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
758 and symbols. Instead use the implementation from cse.c's hash_rtx.
760 2006-09-12 Jan Hubicka <jh@suse.cz>
762 PR rtl-optimization/28071
763 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
764 (vect_transform_loop): Likewise.
765 * tree-vectorizer.c (new_loop_vec_info): Likewise.
766 (new_loop_vec_info): Likewise.
767 (destroy_loop_vec_info): Likewise.
768 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
769 (create_stmt_ann): Likewise.
770 (create_tree_ann): Rename to ...
771 (create_tree_common_ann): ... this one; allocate only the common part
773 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
774 (get_value_handle): Likewise.
775 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
777 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
778 (vinfo_for_stmt): Use stmt annotations.
779 * tree-flow.h (tree_ann_common_t): New type.
780 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
781 (tree_ann, get_tree_ann, create_tree_ann): New.
782 * tree-flow-inline.h (get_function_ann): Do more type checking.
783 (stmt_ann): Likewise.
784 (tree_ann): Rename to ...
785 (tree_common_ann): ... this one; return ony common_ann
786 (get_tree_ann): Rename to ...
787 (tree_common_ann): This one; return only common_ann.
788 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
791 2006-09-11 Geoffrey Keating <geoffk@apple.com>
793 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
796 * dwarf2out.c (dwarf_file_data): New.
797 (enum dw_val_class): Add dw_val_class_file.
798 (struct dw_val_struct): Add val_file.
799 (file_table): Change to a hash table.
800 (file_table_emitted): Delete.
801 (file_table_last_lookup_index): Delete.
803 (last_emitted_file): New.
804 (lookup_filename): Change prototype to return a struct dwarf_file_data.
805 (init_file_table): Delete.
806 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
807 (AT_addr): Add comment.
811 (print_die): Handle dw_val_class_file.
812 (print_dwarf_line_table): Update for new file table structure.
813 (attr_checksum): Do checksum a filename.
814 (same_dw_val_p, same_attr_p): Do compare a filename.
815 (size_of_die): Handle dw_val_class_file.
816 (value_format): Likewise.
817 (output_die): Likewise. Also, call maybe_emit_file here.
818 (struct file_info): Constify filenames. Make file_idx a pointer
819 to a struct dwarf_file_data.
820 (struct dir_info): Constify directory names. Remove 'used' field.
821 (struct file_name_acquire_data): New.
822 (file_name_acquire): New.
823 (output_file_names): Modify to handle new file data structures.
824 (add_src_coords_attributes): Use add_AT_file.
825 (add_call_src_coords_attributes): Likewise.
826 (dwarf2out_imported_module_or_decl): Likewise.
827 (gen_subprogram_die): Modify for new file data structures.
828 (gen_variable_die): Likewise.
829 (file_table_eq): New.
830 (file_table_hash): New.
831 (file_table_last_lookup): New.
832 (lookup_filename): Rewrite to handle new file data structures.
833 (maybe_emit_file): Rewrite to handle new file data structures.
834 (dwarf2out_source_line): Always call lookup_filename and
836 (dwarf2out_init): Create file_table here.
837 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
838 (file_table_relative_p): New.
839 (dwarf2out_finish): Change detection of relative filenames
840 to work with new file data structures. Move output_line_info call
841 after debug_info output.
843 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
848 * config/i386/i386.c (override_options): Always default to 16
851 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
854 * var-tracking.c (dump_dataflow_set): Start dumping at
856 (clobber_variable_part): Kill only the variable part in
857 registers holding it, leaving other variables alone.
859 2006-09-11 Josh Triplett <josh@freedesktop.org>
861 * doc/extend.texi (Other Builtins): Actually use the macro
862 argument in the documentation example for
863 __builtin_types_compatible_p.
865 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
867 PR rtl-optimization/28726
868 * sched-deps.c (sched_analyze_reg): New function extracted from...
869 (sched_analyze_1): ...here. Call it to analyze references to
870 registers. Treat again writes to a stack register as writing to the
872 (sched_analyze_2): ...and here. Call it to analyze references to
873 registers. Treat again reads of a stack register as reading the
876 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
877 David Edelsohn <edelsohn@gnu.org>
880 * config/rs6000/spe.md (frob_df_di): Remove %H.
881 (frob_di_df): Remove %H. Change evmergelo to mr.
882 (frob_di_df_2): Remove %H. Change evldd to two loads.
884 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
886 * doc/cpp.texi: Fix names of charset options.
888 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
891 * config/i386/i386.c (override_options): Use 128-bit
892 stack boundary always for 64bits.
894 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
896 PR rtl-optimization/28636
897 * combine.c (force_to_mode): Test for side-effects before
898 substituting by zero.
899 (simplify_shift_const): Likewise for zero or other constants.
901 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
904 * builtins.c (expand_builtin_setjmp): Force next_lab to be
907 2006-09-10 Richard Sandiford <richard@codesourcery.com>
910 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
911 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
912 returned by mode_for_size, rather than the mode of src itself,
913 to choose between 32-bit and 64-bit patterns.
914 (mips_mem_fits_mode_p): New function.
915 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
916 that the size of the source matches the size of the destination.
917 (mov_<store>l, mov_<store>r): Likewise.
919 2006-09-10 Eric Christopher <echristo@apple.com>
921 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
924 2006-09-09 Eric Christopher <echristo@apple.com>
927 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
930 2006-09-09 Roger Sayle <roger@eyesopen.com>
931 Nicolas Setton <setton@adacore.com>
933 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
935 2006-09-10 Andreas Schwab <schwab@suse.de>
937 * config/m68k/m68k.md (bungt_rev): New pattern.
939 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
940 Dale Johannesen <dalej@apple.com>
943 * regclass.c (struct reg_pref): Update documentation.
944 (regclass): Set prefclass to NO_REGS if memory is the best option.
945 (record_reg_classes): Cope with a prefclass set to NO_REGS.
947 2006-09-08 Eric Christopher <echristo@apple.com>
949 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
950 * config/t-slibgcc-darwin: Support x86_64 multilib.
951 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
952 Return 1 for x86_64-darwin.
953 * config/i386/t-darwin: Add m64 multilib.
954 (LIB2_SIDITI_CONV_FUNCS): Use.
955 (LIB2FUNCS_EXTRA): Ditto.
956 * config/i386/darwin.h: Support x86_64.
957 * config/i386/i386.c (override_options): Turn on flag_pic
958 for x86_64-darwin. Disable flag_omit_pointer.
959 (get_pc_thunk_name): Assert !TARGET_64BIT.
960 (legitimate_address_p): Disable machopic addressing for
962 (legitimize_pic_address): Ditto.
963 (ix86_expand_move): Ditto.
964 (ix86_expand_call): Ditto.
965 (machopic_output_stub): Ditto.
966 * config/darwin.c (machopic_select_section): Support literal16.
967 (machopic_select_rtx_section): Ditto.
968 * config/darwin-sections.def: Ditto.
969 * config/darwin-64.c: New.
971 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
974 * c-tree.h (struct c_arg_info): Add pending_sizes.
975 * c-parser.c (c_parser_parms_declarator,
976 c_parser_parms_list_declarator): Initialize pending_sizes.
977 * c-decl.c (get_parm_info): Initialize pending_sizes.
978 (get_parm_info): Set pending_sizes.
979 (grokdeclarator): Call put_pending_sizes for parameters for
980 function definition only.
982 2006-09-07 Jason Merrill <jason@redhat.com>
985 * varasm.c (output_constant): Only strip actual no-op conversions.
988 * config/i386/i386.c (override_options): Use 128-bit
989 stack boundary if -msse.
991 2006-09-07 Eric Christopher <echristo@apple.com>
993 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
995 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
998 2006-09-07 Geoffrey Keating <geoffk@apple.com>
1000 * dwarf2out.c: Remove strange characters from comment above
1001 dwarf2out_frame_debug_expr.
1003 2006-09-07 Eric Christopher <echristo@apple.com>
1005 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
1006 * config/darwin.h: ... to here.
1008 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
1010 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1012 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1013 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1015 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1016 TARGET_PARTIAL_FLAG_REG_STALL.
1017 (*ashldi3_cconly_rex64): Likewise.
1018 (*ashlsi3_cmp): Likewise.
1019 (*ashlsi3_cconly): Likewise.
1020 (*ashlsi3_cmp_zext): Likewise.
1021 (*ashlhi3_cmp): Likewise.
1022 (*ashlhi3_cconly): Likewise.
1023 (*ashlqi3_cmp): Likewise.
1024 (*ashlqi3_cconly): Likewise.
1025 (*ashrdi3_cmp_rex64): Likewise.
1026 (*ashrdi3_cconly_rex64): Likewise.
1027 (*ashrsi3_cmp): Likewise.
1028 (*ashrsi3_cconly): Likewise.
1029 (*ashrsi3_cmp_zext): Likewise.
1030 (*ashrhi3_cmp): Likewise.
1031 (*ashrhi3_cconly): Likewise.
1032 (*ashrqi3_cmp): Likewise.
1033 (*ashrqi3_cconly): Likewise.
1034 (*lshrdi3_cmp_rex64): Likewise.
1035 (*lshrdi3_cconly_rex64): Likewise.
1036 (*lshrsi3_cmp): Likewise.
1037 (*lshrsi3_cconly): Likewise.
1038 (*lshrsi3_cmp_zext): Likewise.
1039 (*lshrhi3_cmp): Likewise.
1040 (*lshrhi3_cconly): Likewise.
1041 (*lshrqi2_cmp): Likewise.
1042 (*lshrqi2_cconly): Likewise.
1044 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1047 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1048 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1049 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1050 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1051 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1052 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1053 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1054 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1055 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1056 implement only CC setting effects of shift instructions.
1058 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1060 * doc/contrib.texi: Add myself.
1062 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1065 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1066 was set by the user.
1068 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1071 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1072 (divsi_inv_m1): Use them.
1073 (UNSPEC_DIV_INV_TABLE): New constant.
1075 2006-09-06 James E Wilson <wilson@specifix.com>
1078 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1079 then call count_or_remove_death_notes.
1081 2006-09-06 Jason Merrill <jason@redhat.com>
1084 * tree-inline.c (copy_result_decl_to_var): New fn.
1085 (declare_return_variable): Use it. Call declare_inline_vars here.
1086 (expand_call_inline): Not here.
1088 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1090 * doc/contrib.texi: Update my entry.
1092 2006-09-06 Nick Clifton <nickc@redhat.com>
1094 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1096 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1099 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1100 (canonicalize_induction_variables): Likewise.
1101 (tree_unroll_loops_completely): Likewise.
1102 (tree_ssa_prefetch_arrays): Likewise.
1103 (remove_empty_loops): Likewise.
1104 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1105 TODO_cleanup_cfg instead of directly calling
1106 cleanup_tree_cfg_loop.
1107 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1109 (tree_unroll_loops_completely): Likewise.
1110 (remove_empty_loops): Likewise.
1111 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1112 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1113 of tree_ssa_unswitch_loops.
1114 (tree_ssa_loop_ivcanon): Use the return value of
1115 canonicalize_induction_variables.
1116 (tree_ssa_empty_loop): Use the return value of
1118 (tree_complete_unroll): Use the return value of
1119 tree_unroll_loops_completely.
1120 (tree_ssa_loop_prefetch): Use the return value of
1121 tree_ssa_prefetch_arrays.
1122 * passes.c (execute_todo): Before Cleanup CFG, set
1123 updating_used_alone and after cleanup CFG, call
1124 recalculate_used_alone.
1126 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1129 * tree-vect-transform.c (vectorizable_condition): Move the check
1130 for the type after the check for simple condition.
1132 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1133 Kaz Kojima <kkojima@gcc.gnu.org>
1136 * mode-switching.c (optimize_mode_switching): Make the destination
1137 block of an abnormal edge have no anticipatable mode. Don't
1138 insert mode switching code at the end of the source block of
1141 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1143 PR rtl-optimization/26847
1144 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1145 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1146 (simplify_plus_minus): Count n_constants while filling ops. Replace
1147 qsort with insertion sort. Before going through the array to simplify
1148 pairs, sort it. Delay early exit until after the first sort, exiting
1149 only if no swaps occurred. Simplify pairs in reversed order, without
1150 special-casing the first iteration. Pack ops after simplifying pairs.
1152 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1154 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1155 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1156 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1157 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1159 2006-09-05 Richard Guenther <rguenther@suse.de>
1161 PR tree-optimization/28900
1162 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1163 compound conditional before creating COND_EXPR condition.
1165 2006-09-05 Richard Guenther <rguenther@suse.de>
1167 PR tree-optimization/28905
1168 * tree-vrp.c (fix_equivalence_set): Manually implement
1169 !value_ranges_intersect_p to also handle symbolic ranges.
1171 2006-09-05 Richard Guenther <rguenther@suse.de>
1174 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1177 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1179 PR rtl-optimization/27616
1180 * cse.c (table_size): New static variable.
1181 (new_basic_block): Initialize it to 0.
1182 (remove_from_table): Decrement it.
1183 (insert): Increment it.
1184 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1185 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1186 fold_rtx_mem_1 if under the cap.
1187 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1188 the lookup of the equivalent expression and test for equality of the
1189 first operand of the equivalent expression before in turn looking up
1190 an equivalent constant for the second operand.
1192 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1195 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1196 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1197 pointer, instead of assuming it is possible to derive the
1198 correct args size from a call insn.
1200 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1203 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1204 (fold_builtin_mempcpy): Rename to...
1205 (fold_builtin_memory_op): ... this. Optimize one element copy
1207 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1209 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1210 (expand_builtin_memcpy, expand_builtin_mempcpy,
1211 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1212 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1213 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1214 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1216 2006-09-01 DJ Delorie <dj@redhat.com>
1218 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1219 (stzx_16): Likewise.
1220 ("stzx_24_<mode>"): Likewise.
1221 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1222 ("cmp<mode>_op"): New.
1223 (cmp<mode>): Change to expander; just save operands.
1225 (b<code>): Change to expander, emit compare here.
1226 (s<code>_op): Change to use split and expander.
1227 (s<code>_24_op): Likewise.
1228 (s<code>_<mode>): New.
1229 (s<code>_<mode>_24): New.
1230 (movqicc_<code>_<mode): New.
1231 (movhicc_<code>_<mode>): New.
1234 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1235 (m32c_pend_compare): New.
1236 (m32c_unpend_compare): New.
1237 (m32c_expand_scc): New.
1238 (m32c_expand_movcc): Emit the compare also.
1239 * config/m32c/predicates.md (mra_nopp_operand): New.
1241 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1242 Richard Guenther <rguenther@suse.de>
1243 Adam Nemet <anemet@caviumnetworks.com>
1246 * builtins.c (get_pointer_alignment): Handle more forms
1247 of base addresses that can be used to derive more precise
1248 information about alignment.
1250 2006-09-01 Jason Merrill <jason@redhat.com>
1253 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1256 * gimplify.c (voidify_wrapper_expr): Handle null type.
1258 2006-09-01 Josh Conner <jconner@apple.com>
1261 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1262 (execute_return_slot_opt): Use it.
1264 2006-08-31 Josh Conner <jconner@apple.com>
1267 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1268 returning aggregates.
1270 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1272 PR tree-optimization/28839
1273 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1274 blocks in that phi arguments appear.
1276 2006-08-31 Roger Sayle <roger@eyesopen.com>
1279 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1280 NULL, otherwise use an advance_loc4 to adjust relative to the
1282 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1283 (dwarf2out_switch_text_section): Reset the current label to avoid
1284 using advance_loc4 over section boundaries.
1286 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1289 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1290 r12 + SYMBOLIC_CONST.
1292 2006-08-30 Richard Guenther <rguenther@suse.de>
1294 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1296 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1298 PR rtl-optimization/27735
1299 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1300 Add new argument to keep track of whether an irreducible region
1301 was affected. All callers changed.
1302 (fix_irreducible_loops): Removed.
1303 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1304 flags were invalidated.
1306 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1308 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1309 instead of SF operands.
1310 (*fop_df_comm_sse): Likewise.
1311 (*fop_df_comm_i387): Likewise.
1312 (*fop_df_1_mixed): Likewise.
1313 (*fop_df_1_sse): Likewise.
1315 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1316 J"orn Rennecke <joern.rennecke@st.com>
1318 PR tree-optimization/17506
1319 * tree-ssa.c (warn_uninit): If warning about a location outside of
1320 the current function, note where the variable was declared.
1322 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1324 PR tree-optimization/28411
1325 * double-int.c (double_int_div): Use double_int_divmod.
1326 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1327 double_int_mod, double_int_smod, double_int_umod): New functions.
1328 * double-int.h (double_int_divmod, double_int_sdivmod,
1329 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1331 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1333 (get_computation_aff, get_computation_cost_at): Handle double_int
1334 return type of constant_multiple_of.
1336 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1339 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1340 an implicit conversion.
1342 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1344 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1346 2006-08-27 Roger Sayle <roger@eyesopen.com>
1348 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1351 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1353 * config/i386/crtfastmath.c: Fix a comment typo.
1355 2006-08-26 Roger Sayle <roger@eyesopen.com>
1357 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1358 temporary visit flags on CASE_LABEL_EXPRs.
1359 * c-common.c (match_case_to_enum): Add function comment. Avoid
1360 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1361 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1362 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1363 a constant, only warn if that constant value isn't handled.
1365 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1368 * input.h (restore_input_file_stack): Declare.
1369 (INPUT_FILE_STACK_BITS): Define.
1370 * toplev.c (fs_p, input_file_stack_history,
1371 input_file_stack_restored, restore_input_file_stack): New.
1372 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1373 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1374 (pop_srcloc): Don't free old state of stack.
1376 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1379 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1380 (PowerPC Type Attributes): New.
1382 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1384 * config/xtensa/xtensa.c (function_arg_boundary): New.
1385 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1387 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1388 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1390 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1393 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1396 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1398 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1399 (verify_local_live_at_start): Likewise.
1401 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1404 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1405 omp_add_variable): Treat sizes as variable whenever not
1408 2006-08-26 Richard Guenther <rguenther@suse.de>
1411 * fold-const.c (fold_binary): Fold temporary to correct
1412 type before constructing new comparison.
1414 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1417 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1418 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1420 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1423 * c-decl.c (start_function): Don't try to process prototype
1424 information from old declaration that isn't a function.
1426 2006-08-25 Jan Hubicka <jh@suse.cz>
1429 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1431 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1434 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1437 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1439 PR tree-optimization/16876
1440 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1441 exit if PARM doesn't match VALUE.
1443 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1445 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1446 literal_prefix directive.
1447 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1448 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1449 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1451 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1454 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1455 predicate to general_operand. Add 0->y and I->r alternatives.
1457 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1459 * doc/tm.texi: Fix a typo.
1460 * predict.c: Fix comment typos.
1462 2006-08-25 Nick Clifton <nickc@redhat.com>
1464 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1465 assertions of "cpu" and "machine".
1467 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1470 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1471 the access through a base which has an alias set of 0 cannot
1474 2006-08-24 Bill Wendling <wendling@apple.com>
1476 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1478 2006-08-24 Jan Hubicka <jh@suse.cz>
1480 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1482 2006-08-24 Jan Hubicka <jh@suse.cz>
1485 * cgraph.c: Fix comments.
1486 (cgraph_varpool_mark_needed_node): Mark only variables not already
1488 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1489 (cgraph_varpool_assembled_nodes_queue): New static variable.
1490 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1491 (cgraph_varpool_output_debug_info): New function.
1492 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1493 * Makefile.in: Add gt-cgraphunit.h
1495 2006-08-24 Jan Hubicka <jh@suse.cz>
1497 * predict.c (probability_reliable_p): New predicate.
1498 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1499 (predict_loops): Do not predict loop exit with less than 2%
1501 * basic-block.h (edge_probability_reliable_p,
1502 br_prob_note_reliable_p): Declare.
1503 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1504 prediction when static predictor is not reliable.
1505 * rs6000.c (output_cbranch): Likewise.
1507 2006-08-23 Stuart Hastings <stuart@apple.com>
1510 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1511 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1513 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1516 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1517 complex values, nor for generic vector values.
1519 2006-08-22 Richard Guenther <rguenther@suse.de>
1522 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1523 parameter. Convert arguments to arithmetic expression to the
1525 (analyze_scalar_evolution_1): Adjust caller.
1527 2006-08-22 Jan Hubicka <jh@suse.cz>
1529 Patch by Paolo Bonzini
1530 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1533 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1535 PR tree-optimization/28003
1536 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1537 before grouping aliases.
1539 2006-08-22 Roger Sayle <roger@eyesopen.com>
1541 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1542 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1544 2006-08-21 Jason Merrill <jason@redhat.com>
1547 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1548 wrapper. Loop to handle nested wrappers.
1549 (gimplify_bind_expr): Remove temp parameter.
1550 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1551 and STATEMENT_LIST on the rhs.
1552 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1553 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1554 (gimplify_target_expr): Remove special BIND_EXPR handling.
1556 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1558 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1561 2006-08-21 Olivier Hainque <hainque@adacore.com>
1563 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1564 Arrange for the temporary captures of components overlapping the lhs
1565 to happen before the lhs is possibly cleared.
1567 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1569 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1570 necessary places to pass the correct "number of registers" values
1573 2006-08-20 Jan Hubicka <jh@suse.cz>
1575 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1576 (create_name_tags): Instead of quadratic checking use hashtable.
1577 * bitmap.h: Include hashtab.h.
1578 (bitmap_hash): Declare.
1579 * bitmap.c (bitmap_hash): New function.
1581 2006-08-20 Jan Hubicka <jh@suse.cz>
1583 PR rtl-optimization/28071
1584 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1586 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1587 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1588 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1589 cgraph_decide_inlining_incrementally): Update use of
1590 cgraph_check_inline_limits.
1591 * cgraph.c (edge_hash, edge_eq): New function.
1592 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1593 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1594 cgraph_remove_node): Maintain call site hash.
1595 * cgraph.h (struct cgraph_node): Add call_site_hash.
1596 (cgraph_set_call_stmt): New function.
1598 2006-08-20 Jan Hubicka <jh@suse.cz>
1600 PR rtl-optimization/28071
1601 * reload1.c (reg_has_output_reload): Turn into regset.
1602 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1603 choose_reload_regs, emit_reload_insns): Update to new
1604 reg_has_output_reload.
1606 2006-08-20 Jan Hubicka <jh@suse.cz>
1609 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1610 function body sizes.
1611 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1613 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1616 * tree.c (handle_dll_attribute): Return early if not a
1617 var or function decl.
1619 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1622 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1623 alignment of SPE vector types.
1625 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1627 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1629 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1632 * cgraph.h (struct cgraph_node): Remove externally_visible
1634 * cgraphunit.c (process_function_and_variable_attributes): Set
1635 local.externally_visible rather than externally_visible.
1638 * c-common.c (handle_externally_visible_attribute): First look
1639 at TREE_CODE and only if it is function or var decl, check for
1640 non-public objects. Don't warn for DECL_EXTERNAL.
1641 * cgraphunit.c (process_function_and_variable_attributes): Warn
1642 if externally_visible attribute is used on non-public object.
1644 2006-08-17 Jan Hubicka <jh@suse.cz>
1646 PR tree-optimization/27865
1647 * reload1.c (forget_marked_reloads): New function.
1648 (forget_old_reloads_1): When data are passed, just mark the registers
1650 (reload_as_needed): Use the new mechanizm.
1652 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1655 * reload.h (reg_equiv_alt_mem_list): New declaration.
1656 * reload1.c (reg_equiv_alt_mem_list): New definition.
1657 (reload): Initialize it and release it.
1658 (delete_output_reload): Use it.
1659 * reload.c (push_reg_equiv_alt_mem): New function.
1660 (find_reloads_toplev): Call it.
1661 (find_reloads_address, find_reloads_address_1): Likewise.
1662 (find_reloads_subreg_address): Likewise.
1664 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1666 PR rtl-optimization/28489
1667 * sched-ebb.c (begin_schedule_ready): Create basic block
1669 (advance_target_bb): Skip empty blocks.
1670 * haifa-sched.c (bb_note): Make global.
1671 * sched-int.h (bb_note): Add prototype.
1673 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1675 PR tree-optimization/27865
1676 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1678 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1679 fold_used_pointer, pointer_used_p): New functions.
1680 (analyze_scalar_evolution_1): Use fold_used_pointer.
1681 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1682 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1685 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1688 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1689 or the INTEGER_CST. Fail on a CALL_EXPR.
1690 (fold_offsetof): Pass new argument to fold_offsetof_1.
1691 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1692 operand into an INDIRECT_REF.
1693 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1695 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1697 PR gcov/profile/26570
1698 * value-prof.c (static_values): Removed.
1699 (tree_find_values_to_profile): Do not set static_values.
1700 (find_values_to_profile): Do not free static_values.
1701 * profile.c (instrument_values): Do not free the values.
1702 (branch_prob): Free the values.
1704 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1706 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1708 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1711 * c-typeck.c (build_component_ref): Combine qualifiers of
1712 structure or union and field.
1714 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1716 PR rtl-optimization/28071
1717 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1718 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1719 * tree-into-ssa.c (struct dom_dfsnum): New.
1720 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1722 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1723 compute_global_livein.
1724 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1725 in phi nodes in the correct blocks.
1727 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1729 PR tree-optimization/28364
1730 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1732 (fold_affine_expr): New function.
1733 (may_eliminate_iv): Use fold_affine_expr.
1735 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1738 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1741 2006-08-16 Mike Stump <mrs@apple.com>
1743 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1744 * doc/cppopts.texi (-MD): Likewise.
1746 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1749 * c-common.c (handle_weak_attribute): Ignore and warn if
1750 not a FUNCTION_ or VAR_DECL.
1752 2006-07-15 Mike Stump <mrs@apple.com>
1755 * c-parser.c (c_parser_typeof_specifier): Don't use
1756 c_finish_expr_stmt, open code desired semantics instead.
1758 2006-08-15 Nick Clifton <nickc@redhat.com>
1760 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1761 fragment to tmake_file only if threads are enabled.
1762 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1763 * config/i386/t-gthr-win32: New file. ... here.
1765 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1768 * c-parser.c (c_parser_compound_statement_nostart): Reset
1769 parser->error after each statement.
1771 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1774 * omp-low.c (lower_omp_parallel): Convert t to
1775 receiver_decl's type.
1776 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1777 source before comparison.
1780 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1781 to itype in assignment to oldival2.
1783 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1787 * c-typeck.c (build_compound_expr): If the second expression
1788 is an error mark, then just return an error mark instead of
1789 creating a COMPOUND_EXPR.
1791 2006-07-14 Mike Stump <mrs@apple.com>
1793 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1795 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1797 * c-decl.c, var-tracking.c: Fix comment typos.
1799 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1801 PR rtl-optimization/28634
1802 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1803 for floating-point modes unless flag_unsafe_math_optimizations.
1805 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1806 Andrew Pinski <pinskia@physics.uc.edu>
1809 * tree.c (build_array_type): Unify array types with
1810 unspecified index_type.
1811 * c-decl.c (grokdeclarator): Make sure we do not modify a
1812 unified incomplete array type.
1813 * c-typeck.c (store_init_value): Create distinct type before
1814 filling in the index type in an initializer from a compound
1817 * c-decl.c (grokdeclarator): Remove code where we copy the
1820 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1822 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1823 into account for TODO_dump_cgraph.
1824 (TODO_update_ssa_no_phi): Likewise.
1825 (TODO_update_ssa_full_phi): Likewise.
1826 (TODO_update_ssa_only_virtuals): Likewise.
1827 (TODO_remove_unused_locals): Likewise.
1828 (TODO_set_props): Likewise.
1829 (TODO_update_stmt_usage): Likewise.
1831 2006-08-13 Dirk Mueller <dmueller@suse.de>
1833 * c-common.c (strict_aliasing_warning): Fix formatting.
1835 2006-08-13 Matthias Klose <doko@debian.org>
1837 * doc/invoke.texi: Fix spelling errors.
1839 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1841 PR rtl-optimization/23454
1842 * reorg.c (relax_delay_slots): Update comment.
1844 2006-08-11 Richard Guenther <rguenther@suse.de>
1847 * simplify-rtx.c (simplify_const_relational_operation):
1848 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1851 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1853 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1854 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1856 2006-08-10 Paul Brook <paul@codesourcery.com>
1858 * final.c (final_scan_insn): Clear current_insn_predicate before
1859 outputting inline asm.
1861 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1863 PR tree-optimization/26197
1864 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1865 get_ref_base_and_extent and overlap_subvar to add only relevant
1866 subvars as may-aliases.
1867 (add_may_alias_for_new_tag): New function, factored out of
1869 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1870 with additional argument.
1871 * tree-flow.h (new_type_alias): Takes additional argument.
1873 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1875 * gcov.c (no_data_file): New flag.
1876 (read_count_file): Set it if data file not present. Assume counts
1878 (output_lines): Don't name the data file, if there wasn't one.
1880 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1882 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1883 (rs6000_generate_compare): Tweak comments.
1884 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1886 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1888 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1889 (var_debug_decl): New function.
1890 (var_reg_set): Follow debug decl link. Add location even if
1891 reg is already known to hold some other variable.
1892 (var_mem_set): Follow debug decl link.
1893 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1894 decl link. Delete other known locations of the variable part
1896 (var_reg_delete, var_mem_delete): Delete other known locations
1897 of the variable part if requested.
1898 (same_variable_part_p): New function.
1899 (add_stores): Select MO_COPY when appropriate.
1900 (vt_initialize): Handle it.
1901 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1902 known locations for MO_SET and MO_CLOBBER.
1903 (find_variable_location_part): New function.
1904 (set_variable_part, delete_variable_part): Use it.
1905 (clobber_variable_part): New function.
1906 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1909 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1911 PR tree-optimization/26969
1912 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1913 with an empty list of PHIs.
1915 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1919 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1922 2006-08-06 Andreas Schwab <schwab@suse.de>
1924 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1925 string. Whitespace and comment fixup.
1927 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1930 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1934 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1937 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1939 2006-08-04 Jan Hubicka <jh@suse.cz>
1943 * reload.c (push_reload): Patch out the mismatching instruction;
1945 (find_reload): Bail out if the instruction was patched out.
1947 2006-08-04 Jan Hubicka <jh@suse.cz>
1949 PR tree-optimization/24888
1950 * tree-inline.c (expand_call_inline): Do not re-record variables.
1951 (declare_inline_vars): Add variable to unexpanded_var_list.
1953 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1954 Roger Sayle <roger@eyesopen.com>
1956 PR rtl-optimization/26244
1957 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1958 inner_const are negative or greater than or equal to the bitsize of
1959 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1960 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1961 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1962 CONST0_RTX (mode) when the new shift count is greater than or equal to
1963 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1966 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1968 * tree-cfg.c: Fix a comment typo.
1970 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1973 * varasm.c (output_constant): Give the front end another chance to
1974 expand constants, after stripping NOPs.
1976 2006-08-03 Jan Hubicka <jh@suse.cz>
1978 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1981 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1983 PR tree-optimization/27770
1984 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1985 declaration removed (moved to tree-flow.h).
1986 (vect_can_force_dr_alignment_p): Likewise.
1987 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1988 (moved from tree-vectorizer.h).
1989 (vect_can_force_dr_alignment_p): Likewise.
1990 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1991 from outside the vectorizer - in particular from cgraph stage.
1992 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1993 the alignment of global arrays when -fsection-anchors is enabled.
1994 * cgraphunit.c (cgraph_increase_alignment): New function.
1995 (cgraph_optimize): Call cgraph_increase_alignment.
1997 2006-08-03 David Edelsohn <edelsohn@gnu.org>
2000 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
2001 not reload a SPE symbol_ref into a lo_sum address.
2003 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
2006 * dwarf2out.c (prune_unused_types_prune): Move call to
2007 prune_unused_types_update_strings to cover the parent DIE also.
2009 2006-08-02 Jan Hubicka <jh@suse.cz>
2011 PR gcov/profile/28480
2012 * tree-cfg.c (change_bb_for_stmt): New function.
2013 (tree_merge_blocks, tree_split_blocks): Use it.
2015 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2021 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2022 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2023 (cgraph_optimize): Likewise.
2025 2006-08-01 Stuart Hastings <stuart@apple.com>
2027 * rtl.h (UINTVAL) New.
2028 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2029 * testsuite/gcc.dg/20060801-1.c: New.
2031 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2034 * c-typeck.c (build_external_type): Mark used enum types.
2035 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2037 (gen_subprogram_die): Whitespace fix.
2039 2006-08-01 Jan Hubicka <jh@suse.cz>
2041 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2042 bitmap when not needed.
2043 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2046 2006-08-01 Dirk Mueller <dmueller@suse.de>
2048 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2050 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2052 * Makefile.in: Revert part of previous patch:
2053 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2056 2006-07-30 Eric Christopher <echristo@apple.com>
2059 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2060 (PowerPC Variable Attributes): New section.
2062 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2064 PR target/28126 (partial fix)
2065 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2067 2006-07-28 Jan Hubicka <jh@suse.cz>
2069 PR rtl-optimization/28071
2070 * cfgrtl.c (rtl_delete_block): Free regsets.
2071 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2073 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2075 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2076 and variables used in dependencies.
2078 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2080 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2081 %fs for -mcmodel=kernel.
2082 (stack_tls_protect_test_di): Likewise.
2084 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2086 * Makefile.in: Use mkinstalldirs.
2088 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2091 * opts-common.c (prune_options): Skip joined switches.
2093 2006-07-27 Jan Hubicka <jh@suse.cz>
2095 PR rtl-optimization/28071
2096 * cselib.c (cselib_process_insn): Don't remove useless values too
2097 often for very large hashtables.
2099 2006-07-27 Jan Hubicka <jh@suse.cz>
2101 PR rtl-optimization/28071
2102 * global.c (greg_obstack): New obstack.
2103 (allocate_bb_info): Use it.
2104 (free_bb_info): Likewise.
2105 (modify_reg_pav): Likewise.
2107 2006-07-27 Roger Sayle <roger@eyesopen.com>
2109 * builtins.c (fold_fixed_mathfn): When long and long long are the
2110 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2111 functions to their lceil*, lfloor*, lround* and lrint* forms.
2113 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2116 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2118 (rev_branch_insn): Likewise.
2120 2006-07-27 Jan Hubicka <jh@suse.cz>
2122 PR rtl-optimization/28071
2123 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2124 (reg_set_in_bb, max_reg_computed): New static variables.
2125 (regmove_optimize): Free the new array.
2126 (fixup_match_1): Update call of reg_is_remote_constant_p.
2128 2006-07-26 Jan Hubicka <jh@suse.cz>
2130 PR tree-optimization/27882
2131 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2133 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2135 (cgraph_analyze_compilation_unit): Likewise.
2136 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2137 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2138 (cgraph_early_inlinine): Make order garbage collected.
2139 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2141 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2143 * dbxout.c (output_types_sort): Add a comment.
2144 (output_used_types): Free the VEC.
2146 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2148 * function.c (reorder_fix_fragments): Delete.
2149 (reorder_blocks): Don't call it.
2150 (reorder_blocks_1): Put all subblocks under the origin block.
2152 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2154 PR rtl-optimization/27907
2155 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2158 2006-07-25 Roger Sayle <roger@eyesopen.com>
2161 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2162 bar(x) check that bar's result type can represent all the values of T.
2164 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2166 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2168 2006-07-25 Nick Clifton <nickc@redhat.com>
2170 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2171 size_lookup[] array.
2172 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2173 (ggc_pch_count_object): Likewise.
2174 (ggc_pch_alloc_object): Likewise.
2175 (ggc_pch_write_object): Likewise.
2176 (init_ggc): Do not attempt to initialize entries in the
2177 size_lookup[] array for objects whose size is greater than than
2178 the length of the array.
2180 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2182 * dbxout.c (output_used_types_helper): Push queued types
2184 (output_types_sort): New.
2185 (output_used_types): Collect used types on a VEC and sort them
2188 2006-07-24 Richard Guenther <rguenther@suse.de>
2191 * cgraph.c (cgraph_remove_node): Do not check if dumps
2193 * cgraphunit.c (cgraph_optimize): Likewise.
2195 2006-07-24 Jan Hubicka <jh@suse.cz>
2197 PR rtl-optimization/28071
2198 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2199 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2200 splitting before first stmt.
2202 2006-07-24 Jan Hubicka <jh@suse.cz>
2204 PR rtl-optimization/28071
2205 * ipa-inline.c (update_caller_keys): Remove edges that
2206 are no longer inline candidates.
2208 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2211 * dbxout.c (output_used_types_helper, output_used_types): New.
2212 (dbxout_symbol): Call output_used_types.
2214 2006-07-23 Jan Hubicka <jh@suse.cz>
2218 * cgraph.c (cgraph_varpool_nodes): Export.
2219 (decide_is_variable_needed): Ignored "used" attribute in
2220 unit-at-a-time mode.
2221 * cgraph.h (cgraph_varpool_nodes): Declare.
2222 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2223 unit-at-a-time mode.
2225 2006-07-23 Roger Sayle <roger@eyesopen.com>
2228 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2229 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2230 the __gthrw form of thr_keycreate.
2231 (__gthread_key_delete): Silence the unused argument warning.
2233 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2236 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2237 Cache the last found '\0' marker to avoid quadratic behavior.
2239 2006-07-23 Jan Hubicka <jh@suse.cz>
2241 * i386.md (subsi_3_zext): Fix output template.
2243 2006-07-21 Mike Stump <mrs@apple.com>
2245 * doc/invoke.texi (C++ Dialect Options): Note that
2246 -fvisibility-inlines-hidden doesn't affect explicitly
2247 instantiationed inline methods.
2249 2006-07-20 Roger Sayle <roger@eyesopen.com>
2251 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2252 if the target assembler is GNU binutils' gas.
2253 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2254 whether to pass GNU gas or native as command line options.
2256 2006-07-20 Jason Merrill <jason@redhat.com>
2258 * tree.c (remove_attribute): New fn.
2259 * tree.h: Declare it.
2261 2006-07-20 Paul Brook <paul@codesourcery.com>
2264 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2265 they are invalidated by this instruction.
2267 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2270 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2272 2006-07-20 Eric Christopher <echristo@apple.com>
2275 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2277 2006-07-19 Eric Christopher <echristo@apple.com>
2279 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2280 Rewrite dependencies for libgcc_s.1.dylib.
2282 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2284 * except.c (duplicate_eh_regions_1): Clear next_peer.
2286 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2288 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2289 -mlongcall does not guarantee all calls will be long.
2290 * doc/extend.texi (long_call/short_call): Document that longcall
2291 does not guarantee a long call will be used.
2292 (longcall/shortcall): Likewise.
2294 2006-07-18 Roger Sayle <roger@eyesopen.com>
2297 * expmed.c (expand_shift): Additionally check that the shift_cost
2298 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2299 before implementing a LSHIFT_EXPR as a sequence of additions.
2300 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2301 middle-end that DImode shifts need to be synthesized by expand.
2303 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2306 * tree-ssa-operands.c (access_can_touch_variable): Update
2308 Return true if ALIAS is .GLOBAL_VAR.
2310 2006-07-18 David Daney <ddaney@avtrex.com>
2312 * gcc.c (display_help): Fix typo in help text.
2314 2006-07-18 Olivier Hainque <hainque@adacore.com>
2316 * tree.h (categorize_ctor_elements): Adjust prototype and add
2317 descriptive comment, both in accordance with the interface change
2319 * varasm.c (constructor_static_from_elts_p): New function.
2320 Whether a constructor node is a valid static constant initializer
2321 if all its elements are.
2322 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2323 * output.h: Declare it.
2324 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2325 is a valid constant initializer instead of computing the number of
2326 non-constant elements. Use constructor_static_from_elts_p for this
2327 purpose. Replace the head comment with an indication that this is a
2328 helper for categorize_ctor_elements.
2329 (categorize_ctor_elements): Same interface change as for the _1
2330 helper. Former head comment from this helper moved here, adjusted to
2331 account for the interface changes.
2332 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2333 (all_zeros_p): Likewise.
2334 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2335 static versions of the constructor from the categorize_ctor_elements
2336 return value instead of the formerly computed number of non-constant
2339 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2341 * configure: Regenerate.
2342 * Makefile.in (build_libsubdir): New configure substitution
2343 (build_libobjdir): New variable.
2344 (BUILD_LIBIBERTY): Use it.
2346 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2349 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2351 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2354 * c-common.c (handle_weakref_attribute): Ignore attribute in
2355 the same conditions the alias attribute is ignored.
2357 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2359 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2360 (dbxout_begin_prologue): Increment scope_labelno.
2362 2006-07-17 Richard Henderson <rth@redhat.com>
2365 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2368 2006-07-17 Roger Sayle <roger@eyesopen.com>
2369 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2371 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2372 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2373 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2374 functions such as sbrk, write, etc.. Add function prototypes.
2375 Convert function declarations from K&R to ISO C. Cast pointers
2376 to "long" and "unsigned long" instead of "int" and "unsigned int".
2377 Convert tokens following #endif into comments.
2379 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2381 * invoke.texi: Remove mention of f77; Reformat table for
2382 inline parameter options correctly; mention that -malign-double
2383 is default on x86-64 targets.
2385 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2387 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2388 (convert_affine_scev, chrec_convert_aggressive): Use
2389 avoid_arithmetics_in_type_p. Do not check for the subtypes
2392 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2395 * optabs.c (expand_doubleword_shift): Wrap the call to
2396 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2398 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2401 * optabs.c (expand_binop): Pass next_methods rather than methods
2402 to expand_doubleword_shift.
2404 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2407 * tree.h (dump_addr): Declare.
2408 * print-tree.c (dump_addr): New function.
2409 (print_node_brief, print_node): Use it.
2410 * print-rtl.c (print_rtx): Likewise.
2411 * common.opt (-fdump-noaddr): New option.
2412 * doc/invoke.texi (-fdump-noaddr): Document.
2413 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2414 (ve_info_hash): Likewise.
2416 2006-07-13 Andrew Haley <aph@redhat.com>
2418 PR tree-optimization/19505
2419 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2420 edge leaving this block, make sure that the destination of this
2421 block has only one predecessor.
2423 2006-07-17 Richard Guenther <rguenther@suse.de>
2425 PR tree-optimization/28238
2426 * tree-inline.c (copy_bb): Check if we produced valid
2427 gimple copying and substituting a stmt. If not, gimplify
2430 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2432 * optabs.c (maybe_encapsulate_block): New function extracted from...
2433 (emit_libcall_block): ...here. Invoke it on the block of insns to
2434 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2435 (emit_no_conflict_block): Likewise.
2437 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2439 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2441 2006-07-15 Roger Sayle <roger@eyesopen.com>
2443 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2444 a new NOP_EXPR case of the switch statement.
2446 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2449 * stor-layout.c (place_field): Take the bit field with
2450 an excessive size into account in the ms-bitfiled case.
2453 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2454 the previous bit field.
2456 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2459 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2461 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2463 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2464 signal frames correctly even when the signal was installed with
2467 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2469 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2470 (dbxout_function_end): Use local label LFBB. Remove hook
2472 (dbxout_source_line): Use local label LFBB.
2473 (dbxout_block): Likewise.
2474 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2475 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2476 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2477 and DBX_OUTPUT_NFUN.
2479 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2481 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2483 2006-07-13 Jan Hubicka <jh@suse.cz>
2485 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2487 * output.h (align_variable): Declare.
2488 * varasm.c (align_variable): Export.
2489 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2490 when basic block changed.
2492 2006-07-13 Nick Clifton <nickc@redhat.com>
2494 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2495 walking the LOG_LINKS chain.
2497 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2499 * doc/invoke.texi (C++ Dialect Options): Explain difference
2500 between -fvisibility-inlines-hidden and setting hidden
2501 visibility explicitly.
2503 2006-07-12 Eric Christopher <echristo@apple.com>
2505 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2506 (stmp-lipo): Depend on libgcc.a.
2508 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2510 * tree.c: Fix a comment typo.
2512 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2514 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2516 (umulhisi3_r): Likewise.
2518 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2521 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2522 x < 19, vs wchar_t support.
2524 2006-07-12 Nick Clifton <nickc@redhat.com>
2526 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2527 instead of -isa=sh4.
2529 2006-07-12 Mike Stump <mrs@apple.com>
2531 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2533 2006-07-10 Eric Christopher <echristo@apple.com>
2535 * config/t-slibgcc-darwin: Rewrite.
2537 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2540 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2543 2006-07-08 Matthias Klose <doko@debian.org>
2545 * doc/sourcebuild.texi: Fix typo.
2547 2006-07-07 Mike Stump <mrs@apple.com>
2549 * toplev.c (process_options): Don't give -ffunction-sections may
2550 affect debugging warning for Mach-O.
2552 2006-07-07 James E Wilson <wilson@specifix.com>
2554 * config/mips/mips.md (cpu): Add sb1a.
2555 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2556 addition to sb1. Adjust comments to clarify SB-1A differences from
2558 (ir_sb1a_load): New. Modify bypasses to use it.
2559 (ir_sb1a_simple_alu): Likewise.
2560 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2561 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2562 (mips_issue_rate): Add PROCESSOR_SB1A.
2563 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2564 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2565 (TARGET_SB1): Add PROCESSOR_SB1A check.
2566 (TUNE_SB1): Likewise.
2568 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2569 * config/mips/mips.c (mips_store_data_bypass_p): New.
2570 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2571 store_data_bypass_p.
2573 2006-07-08 Paul Brook <paul@codesourcery.com>
2576 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2578 2006-07-07 Richard Guenther <rguenther@suse.de>
2581 * tree.h (build_one_cst): Declare.
2582 * tree.c (build_one_cst): New function.
2583 * tree-ssa-math-opts.c (get_constant_one): Remove.
2584 (insert_reciprocals): Use build_one_cst.
2585 * fold-const.c (fold_plusminus_mult): Likewise.
2587 2006-07-07 Roger Sayle <roger@eyesopen.com>
2589 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2590 * cfgloopanal.c (dump_graph): Likewise.
2591 * dojump.c (discard_pending_stack_adjust): Likewise.
2592 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2594 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2595 * function.c (finalize_block_changes): Likewise.
2596 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2597 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2598 * rtl.c (dump_rtx_statistics): Likewise.
2599 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2601 * varray.c (dump_varray_statistics): Likewise.
2602 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2603 decode_decimal64, encode_decimal128, decode_decimal128,
2604 decimal_real_to_decimal): Likewise.
2606 2006-07-07 Richard Guenther <rguenther@suse.de>
2608 PR tree-optimization/28187
2609 * tree-vrp.c (vrp_operand_equal_p): New function.
2610 (vrp_bitmap_equal_p): Likewise.
2611 (update_value_range): Use them to compare old and new
2614 2006-07-06 Roger Sayle <roger@eyesopen.com>
2616 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2617 a default case to switch statement to silence compiler warnings.
2619 2006-07-06 Roger Sayle <roger@eyesopen.com>
2622 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2623 the configured assembler supports the x87's ffreep mnemonic.
2624 * configure: Regenerate.
2625 * config.in: Regenerate.
2627 * config/i386/i386.c (output_387_ffreep): New function.
2628 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2629 (output_387_reg_move): Likewise.
2631 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2633 Port to hosts whose 'sort' and 'tail' implementations
2634 treat operands with leading '+' as file names, as POSIX
2635 has required since 2001. However, make sure the code still
2636 works on pre-POSIX hosts.
2637 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2638 which says you should use "tail -c +N" rather than "tail +Nc".
2639 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2641 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2643 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2646 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2649 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2650 PRE_{INC,DEC} of TFmode.
2652 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2653 Alan Modra <amodra@bigpond.net.au>
2656 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2659 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2662 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2663 Remove duplicate gtu.
2665 2006-07-05 Jason Merrill <jason@redhat.com>
2669 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2670 * c-common.c (handle_packed_attribute): So don't copy it here.
2671 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2673 2006-07-05 Mike Stump <mrs@apple.com>
2675 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2677 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2680 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2682 2006-07-05 Richard Guenther <rguenther@suse.de>
2685 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2686 TARGET_SSE2 targets if using SSE math.
2687 (*absdf2_1): Likewise.
2689 2006-07-05 Richard Guenther <rguenther@suse.de>
2691 PR tree-optimization/28162
2692 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2693 make sure to convert the operands to the correct type.
2695 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2697 PR tree-optimization/28218
2699 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2700 to calculate and free the dominator information.
2702 2006-07-04 Peter O'Gorman <peter@pogma.com>
2704 * mklibgcc.in: chmod 644 before ranlib during install.
2706 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2707 J"orn Rennecke <joern.rennecke@st.com>
2709 * configure.ac (.eh_frame data check): Use diff -b.
2711 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2714 * Makefile.in (BUILD_RTL): Add build/vec.o.
2715 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2716 (build/genextract): Delete.
2717 (build/genautomata): Likewise.
2719 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2722 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2723 128-bit IBM long doubles for ABI_V4.
2725 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2727 * tree.c (range_in_array_bounds_p): New predicate.
2728 * tree.h (range_in_array_bounds_p): Declare it.
2729 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2730 return a less conservative answer.
2731 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2732 and flag 'is_group'.
2733 (IS_ELEMENT_FOR_GROUP): New macro.
2734 (FOR_EACH_ACTUAL_CHILD): Likewise.
2735 (next_child_for_group): New helper function.
2736 (can_completely_scalarize_p): Take into account groups.
2737 (sra_hash_tree): Handle RANGE_EXPR.
2738 (sra_elt_eq): Likewise.
2739 (lookup_element): Be prepared for handling groups.
2740 (is_valid_const_index): Delete.
2741 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2742 instead of is_valid_const_index.
2743 <ARRAY_RANGE_REF>: New case.
2744 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2745 is_valid_const_index.
2746 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2747 (scan_dump): Dump info for groups too.
2748 (decide_instantiation_1): Likewise.
2749 (decide_block_copy): Assert that the element is not a group.
2750 Propagate decision to groups.
2751 (generate_one_element_ref): Handle RANGE_EXPR.
2752 (mark_no_warning): Iterate over actual childs.
2753 (generate_copy_inout): Likewise.
2754 (generate_element_copy): Likewise.
2755 (generate_element_zero): Likewise.
2756 (generate_element_init_1): Likewise.
2757 (dump_sra_elt_name): Handle RANGE_EXPR.
2759 2006-07-03 Roger Sayle <roger@eyesopen.com>
2761 PR tree-optimization/26251
2762 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2763 (thread_block): When optimizing for size refuse to thread jumps
2764 that would require duplication of blocks other than redirection
2767 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2769 * configure.ac: Fix thinko in previous check-in.
2770 * configure: Regenerate.
2772 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2775 * configure.ac (for lang...): Simplify nesting of conditionals.
2776 Test subdir_requires for non-enabled languages. Move processing
2777 of lang_opt_files and lang_tree_fiels below that test.
2778 * configure: Regenerate.
2779 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2781 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2783 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2785 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2787 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2790 2006-06-29 Jason Merrill <jason@redhat.com>
2797 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2798 * c-common.c (c_determine_visibility): Handle it here.
2799 * c-decl.c (finish_decl): Call c_determine_visibility for
2801 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2803 * varasm.c (default_assemble_visibility): Likewise.
2804 * c-common.c (handle_visibility_attribute): Complain about trying
2805 to give visibility to an already defined class, or trying to change
2806 declared visibility. Always attach the attribute.
2811 * attribs.c (decl_attributes): Ignore type-in-place attributes
2812 once the type has been defined.
2814 2006-06-29 Roger Sayle <roger@eyesopen.com>
2817 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2818 to indicate the cpplib has issued an error message for us.
2820 2006-06-29 Asher Langton <langton2@llnl.gov>
2823 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2824 insert a label at the end of an function under Mach-O.
2826 2006-06-29 Eric Christopher <echristo@apple.com>
2827 Evan Cheng <evan.cheng@apple.com>
2829 * predicates.md (vector_all_ones_operand): New.
2830 (nonimmediate_or_sse_const_operand): Ditto.
2831 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2832 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2833 (standard_sse_mode_p): Ditto.
2834 (standard_sse_constant_p): Add case for -1 vector.
2835 (ix86_expand_vector_move): Try to use.
2836 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2837 Call standard_sse_constant_opcode.
2838 (*movv4sf_internal): Ditto.
2839 (*movv2df_internal): Ditto.
2841 2006-06-29 Roger Sayle <roger@eyesopen.com>
2843 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2844 of XEXP to extract the operands of a MATCH_CODE rtx.
2846 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2848 * tree.c (tree_size): Do not waste tail padding in
2849 struct tree_string and make the size be the same as
2850 build_string will generate.
2852 2006-06-28 Jason Merrill <jason@redhat.com>
2855 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2856 may_aliases already in the tag's annotations to the bitmap.
2858 2006-06-28 Roger Sayle <roger@eyesopen.com>
2860 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2862 2006-06-28 Roger Sayle <roger@eyesopen.com>
2864 * genpreds.c (generate_switch_p): New function.
2865 (add_mode_tests): Push the new mode test down inside an AND expr
2866 if this allows the switch-suitable MATCH_CODE to be near the root.
2867 (write_match_code_switch): New function to write a MATCH_CODE as
2869 (write_predicate_stmts): New function to write a predicate RTX
2870 expression as a sequence of statements.
2871 (write_one_predicate_function): Use write_predicate_stmts.
2872 (write_tm_constrs_h): Likewise.
2874 2006-06-26 Fred Fish <fnf@specifix.com>
2876 * config/mips/t-sb1: New file.
2877 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2880 2006-06-26 DJ Delorie <dj@redhat.com>
2882 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2884 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2885 Jayant Sonar <jayants@kpitcummins.com>
2886 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2888 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2889 (subsi3, subsi3_1, subsi3_2): New.
2890 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2891 * config/m32c/mov.md (SI mov peephole): New.
2892 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2893 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2895 2006-06-26 Olivier Hainque <hainque@adacore.com>
2897 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2898 a CALL_EXPR target function declaration.
2900 2006-06-26 Richard Guenther <rguenther@suse.de>
2902 * tree.c (build_string): Do not waste tail padding in
2905 2006-06-26 Richard Guenther <rguenther@suse.de>
2907 * ggc-page.c (init_ggc): Add missing element to size_lookup
2911 2006-06-23 Richard Guenther <rguenther@suse.de>
2913 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2914 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2915 alignment requests instead. Add verification code.
2916 Add struct tree_function_decl and struct tree_binfo size to
2917 extra_order_size_table. Add missing element to size_lookup
2920 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2923 * fold-const.c (const_binop): Be prepared for self returning zero.
2924 Simplify code handling complex values.
2926 2006-06-24 Olivier Hainque <hainque@adacore.com>
2928 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2929 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2932 2006-06-24 Olivier Hainque <hainque@adacore.com>
2934 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2935 ARRAY_REF, so have the callback called for the low bound expression.
2937 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2939 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2940 * c-typeck.c (c_common_type): Disallow operations on decimal float
2941 types and other float types.
2942 * convert.c (convert_to_real): Don't ignore conversions involving
2943 decimal float types.
2945 2006-06-23 Olivier Hainque <hainque@adacore.com>
2947 * tree.c (max_int_size_in_bytes): New function, inspired from
2948 code in function.c:assign_temp.
2949 * tree.h (max_int_size_in_bytes): Declare.
2950 * function.c (assign_temp): Use it.
2951 * gimplify.c (create_tmp_var): Relax the assertions on the type
2952 properties, not mandating constant size any more.
2953 (force_constant_size): New static function.
2954 (gimple_add_tmp_var): Use it, forcing variable size to a
2955 constant upper bound if it is not constant on entry.
2957 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2960 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2961 for initialization and setting of one_only flag to ...
2962 (i386_pe_encode_section_info): ...here.
2963 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2964 Recheck that the symbol has not been defined.
2966 2006-06-23 Richard Guenther <rguenther@suse.de>
2968 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2969 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2970 alignment requests instead. Add verification code.
2971 Add struct tree_function_decl and struct tree_binfo size to
2972 extra_order_size_table. Add missing element to size_lookup
2975 2006-06-22 Roger Sayle <roger@eyesopen.com>
2976 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2979 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2980 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2982 2006-06-23 Ben Elliston <bje@au.ibm.com>
2984 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2985 negate dn -- manipulate it directly.
2987 2006-06-22 Roger Sayle <roger@eyesopen.com>
2988 Steven Bosscher <stevenb.gcc@gmail.com>
2991 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2992 generated by gen_move_insn to add REG_LABEL notes if necessary.
2994 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2996 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2997 (leaf_entry): Remove use of MIN_ESA.
2999 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
3001 PR rtl-optimization/28121
3002 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
3005 2006-06-21 DJ Delorie <dj@redhat.com>
3007 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
3009 (mulhisi3_r): Likewise.
3011 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3014 * coverage.c (coverage_counter_alloc): Leave the index type
3016 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3019 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3021 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3022 section from the "Options for Code Generation Conventions".
3024 2006-06-21 Richard Henderson <rth@redhat.com>
3028 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3030 (global_symbolic_operand): Allow weak symbols, even if local_p.
3032 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3034 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3035 (find_interesting_uses_address): Punt if above function returns true.
3037 2006-06-21 Richard Guenther <rguenther@suse.de>
3039 * configure: Regenerated.
3041 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3043 * config/mips/mips.c (function_arg): Where one part of a
3044 complex argument is in registers and the other part in the stack,
3045 return a REG not a PARALLEL.
3047 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3049 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3050 when cross-compiling. Do not substitute libstdcxx_incdir.
3051 * configure: Regenerated.
3053 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3055 * varasm.c (mergeable_string_section): Check for embedded NULs and
3056 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3057 rather than TREE_STRING_LENGTH bytes.
3059 2006-06-21 Richard Guenther <rguenther@suse.de>
3061 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3062 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3065 2006-06-21 Richrad Guenther <rguenther@suse.de>
3067 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3068 Limit iteration over the dominators.
3070 2006-06-20 Roger Sayle <roger@eyesopen.com>
3072 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3073 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3075 2006-06-20 Richard Guenther <rguenther@suse.de>
3076 Michael Matz <matz@suse.de>
3078 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3080 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3081 * et-forest.h (et_free_pools): Prototype new function.
3082 * et-forest.c (et_free_tree_force): Free parent occurrence.
3083 (et_free_pools): New function.
3084 * dominance.c (free_dominance_info): Free et-forest alloc
3087 2006-06-20 Roger Sayle <roger@eyesopen.com>
3089 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3090 integer modes, attempt to directly construct an integer constant.
3092 * fold-const.c (native_encode_vector): Determine the size of each
3093 element from the vector type instead of the first vector element.
3095 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3096 if all of its elements/components are constant.
3097 (build_constructor_from_list): Likewise.
3099 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3101 PR tree-optimization/27331
3102 * tree-data-ref.c (free_data_ref): New function.
3103 (create_data_ref): Fail if the data reference has unknown access
3105 (free_data_refs): Use free_data_ref.
3107 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3110 * tree-inline.c (setup_one_parameter): Strip useless
3111 type conversion before adding it to the IR.
3112 (declare_return_variable): Likewise.
3114 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3117 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3119 2006-06-19 Mike Stump <mrs@apple.com>
3121 * tree.c (variably_modified_type_p): VM arguments don't make the
3124 2006-06-19 Richard Guenther <rguenther@suse.de>
3126 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3127 type conversions after folding.
3129 2006-06-19 Richard Guenther <rguenther@suse.de>
3131 * ggc-page.c (extra_order_size_tab): Add entries with
3132 size of struct function and basic_block.
3133 (size_lookup): Extend to cover sizes up to 511.
3134 (ggc_alloc_stat): Adjust user.
3135 (ggc_pch_count_object): Likewise.
3136 (ggc_pch_alloc_object): Likewise.
3137 (ggc_pch_write_object): Likewise.
3139 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3141 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3142 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3145 2006-06-19 Denis Chertykov <denisc@overta.ru>
3147 * config/avr/libgcc.S : Correct my wrong previous commit.
3149 2006-06-19 Roger Sayle <roger@eyesopen.com>
3152 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3153 have stripped a SUBREG from the shift count, so we may need to
3154 convert_to_mode back to the type's mode before calling make_tree.
3155 Use new_amount instead of amount to avoid expanding a tree twice.
3157 2006-06-19 Richard Guenther <rguenther@suse.de>
3160 * fold-const.c (operand_equal_p): Check if the argument types
3161 have the same precision before stripping NOPs.
3163 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3165 Fix PR tree-optimization/27341
3166 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3168 * tree-complex.c (pass_lower_complex): Update SMT usage.
3170 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3172 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3173 Add a new alternative to the constraint strings. Add move of
3174 operand 1 to 3 to the splitter definition.
3175 ("doloop_si_long"): Second contraint alternative removed.
3177 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3179 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3180 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3182 (AVR_HAVE_MOVW) Define.
3183 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3184 (ASM_SPEC): Add avr25.
3185 (LINK_SPEC): Add avr25.
3186 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3187 (base_arch_s): Add new member 'have_movw_lpmx'.
3188 (avr_arch_types): Init 'have_movw_lpmx'.
3189 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3190 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3191 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3192 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3193 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3195 (avr_file_start): Do not output '.arh' derective.
3196 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3197 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3198 * config/avr/avr.md (mcu_enhanced): Delete.
3199 (mcu_have_movw): Define.
3200 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3201 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3202 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3203 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3204 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3205 attiny861 and at86rf401 devices.
3207 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3209 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3212 2006-06-17 Karl Berry <karl@gnu.org>
3214 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3215 doc/gccint.texi, doc/install.texi (@dircategory): Use
3216 "Software development" instead of "Programming", following
3217 the Free Software Directory.
3219 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3221 * config/i386/i386.c (legitimate_tls_address)
3222 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3223 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3224 (*tls_dynamic_gnu2_combine_64): Likewise.
3226 2006-06-16 Richard Guenther <rguenther@suse.de>
3229 * fold-const.c (negate_expr_p): Do not introduce undefined
3230 overflow in negating INTEGER_CSTs.
3231 (fold_negate_expr): Rename from negate_expr. Revert last
3232 change for folding BIT_NOT_EXPR. Change semantics to
3233 return NULL_TREE for non-simplified negations. Do not
3234 strip type conversions and unify type handling.
3235 (negate_expr): New function, wrap around fold_negate_expr
3236 but ensure building a tree always. Strip type conversions
3237 here, fold to result type.
3238 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3240 2006-06-16 Roger Sayle <roger@eyesopen.com>
3243 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3244 that (would) return their results in stack registers.
3246 2006-06-16 Michael Matz <matz@suse.de>
3247 Richard Guenther <rguenther@suse.de>
3249 * fold-const.c (fold_truthop): Only return new tree node if
3250 we canonicalized something.
3252 2006-06-16 Richard Guenther <rguenther@suse.de>
3254 * function.h (enum function_frequency): Move declaration
3255 out of struct function.
3256 (struct function): Move bool fields and the enum to the bitfield
3257 section. Reorder elements to avoid padding. Remove unused
3258 fields left over from the RTL inliner removal.
3259 * function.c (free_after_compilation): Do not zero removed fields.
3260 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3261 (ipa-type-escape.o): Likewise.
3263 2006-06-16 Richard Guenther <rguenther@suse.de>
3265 * cgraph.h (struct cgraph_local_info): Turn bool elements
3267 (struct cgraph_node): Likewise.
3268 (struct cgraph_varpool_node): Likewise.
3270 2006-06-15 Richard Guenther <rguenther@suse.de>
3272 * fold-const.c (fold_truth_not_expr): Rename from
3273 invert_truthvalue. Give it fold_* semantics to avoid
3275 (invert_truthvalue): New function. Wrapper around
3276 fold_truth_not_expr.
3277 (optimize_minmax_comparison): Avoid creating garbage.
3278 (fold_unary): Use fold_truth_not_expr for folding
3280 (fold_ternary): Replace uses of invert_truthvalue with
3281 fold_truth_not_expr where applicable.
3282 * tree.h (fold_truth_not_expr): Prototype.
3284 2006-06-16 Richard Guenther <rguenther@suse.de>
3286 PR tree-optimization/27781
3287 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3288 * ipa-pure-const.c (target.h): Include.
3289 (analyze_function): Do not analyze functions that do not
3292 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3295 * tree-dfa.c (referenced_vars_dup_list): Remove.
3296 (find_referenced_vars): Remove assert.
3297 (referenced_var_check_and_insert): Replace dup list with assert.
3298 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3299 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3301 2006-06-15 Richard Guenther <rguenther@suse.de>
3303 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3304 extra unused identifiers if not dumping.
3305 (create_variable_info_for): Likewise.
3307 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3309 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3310 (derive_constant_upper_bound): Derive more precise upper bound in
3311 common cases. Return type changed to double_int.
3312 (record_estimate): Reflect the changed return type of
3313 derive_constant_upper_bound.
3314 * double-int.c (double_int_zext, double_int_sext): Fix.
3316 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3318 * configure.ac (CFLAGS): Get them from the toplevel or from the
3319 configure invocation.
3320 * configure: Regenerate.
3321 * Makefile.in (CFLAGS): Substitute value provided by configure.
3323 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3326 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3327 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3328 rather than calling add_stmt on it.
3329 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3331 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3334 * reload1.c (reload): Remove registers returned by update_eliminables
3335 from used_spill_regs.
3337 2006-06-13 DJ Delorie <dj@redhat.com>
3339 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3341 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3343 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3344 html__strip_dir, html__mkdir_p. Enhance install-html target.
3345 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3346 * configure: Regenerate.
3348 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3350 * fold-const.c (fold_cond_expr_with_comparison): Check for
3351 Objective-C++ as language in deciding COND_EXPR transformation.
3353 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3356 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3357 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3358 * config/sh/lib1funcs.h (SL, SL1): Define.
3359 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3360 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3361 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3362 (OBJS_Os_4_200): New variable.
3363 ($(T)libgcc-Os-4-200.a): Use it.
3364 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3365 when dividing 1 and/or by 0.
3367 2006-06-13 Roger Sayle <roger@eyesopen.com>
3369 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3370 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3371 * configure: Regenerate.
3373 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3375 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3376 for real instruction.
3378 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3381 * haifa-sched.c (check_cfg): Handle special case.
3383 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3386 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3387 Add debug_info parameter. Chain the vars to the BLOCK instead
3388 of the BIND_EXPR if debug info are requested for them.
3389 (pop_gimplify_context): Adjust for above change.
3390 (gimple_add_tmp_var): Likewise.
3391 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3393 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3394 (convert_local_reference): Likewise.
3395 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3396 (finalize_nesting_tree_1): Request that debug info be emitted
3397 for debug_var_chain.
3399 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3401 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3402 for PR target/27863.
3404 2006-06-13 Richard Guenther <rguenther@suse.de>
3407 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3409 2006-06-13 Richard Guenther <rguenther@suse.de>
3411 PR tree-optimization/27830
3412 * tree-inline.c (copy_body_r): For copying the operand
3413 of an ADDR_EXPR make sure to fold &* afterwards.
3415 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3417 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3418 lvalues in the fb_none case with side-effects.
3420 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3422 * tree-flow.h: Remove the prototype for
3423 compute_phi_arg_on_exit.
3424 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3425 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3428 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3430 * builtins.c (expand_builtin_return_addr): Only use
3431 frame_pointer_rtx when count == 0 and we are expanding
3432 __builtin_return_address.
3434 2006-06-12 Fred Fish <fnf@specifix.com>
3436 * config/mips/mips.c (mips_file_start): Create special section
3437 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3439 2006-06-11 Eric Christopher <echristo@apple.com>
3442 * stor-layout.c (place_field): Remove check for
3443 remaining_in_alignment when aligning at the end of a run.
3445 2006-06-11 Eric Christopher <echristo@apple.com>
3448 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3451 2006-06-11 Roger Sayle <roger@eyesopen.com>
3454 Revert incorrect fix for PR target/27158
3455 2006-05-08 Roger Sayle <roger@eyesopen.com>
3456 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3457 of a reg_equiv_constant if the result is a legitimate constant.
3459 2006-06-11 Roger Sayle <roger@eyesopen.com>
3462 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3463 extract a CONST_VECTOR element and interpret it as an integer.
3464 (vspltis_constant): Use const_vector_elt_as_int instead of the
3465 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3466 * config/rs6000/predicates.md (easy_vector_const): Consider
3467 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3469 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3472 * stor-layout.c (update_alignment_for_field): Don't add extra
3473 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3476 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3478 * config/mips/t-rtems: Add EL/EB multilib variants.
3480 2006-06-09 Mike Stump <mrs@apple.com>
3482 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3484 2006-06-09 David Daney <ddaney@avtrex.com>
3486 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3488 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3490 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3492 2006-06-09 Richard Guenther <rguenther@suse.de>
3494 PR tree-optimization/26998
3495 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3496 of signed types, only TYPE_MIN_VALUE is special, but for both,
3497 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3498 in this case, as is -fwrapv.
3500 2006-06-08 Mike Stump <mrs@apple.com>
3503 * config/darwin.c (darwin_asm_output_anchor): Disable
3504 -fsection-anchors on darwin for now.
3505 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3506 * rs6000/rs6000.c (optimization_options): Likewise.
3508 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3511 * config/i386/i386.c (classify_argument): Skip fields with invalid
3514 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3516 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3517 (cse_insn): Likewise for the stack_pointer_rtx.
3519 2006-06-08 Roger Sayle <roger@eyesopen.com>
3521 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3522 conditions from floating point comparisons.
3524 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3527 * expmed.c (struct alg_hash_entry): Fix type of field T
3528 to match synth_mult argument.
3529 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3531 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3534 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3537 2006-06-08 Richard Guenther <rguenther@suse.de>
3540 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3541 only, if overflow is defined and not trapping.
3542 (negate_expr): Likewise.
3544 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3546 PR tree-optimization/27872
3547 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3548 flag on the new exit edge of the unrolled loop.
3550 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3552 PR rtl-optimization/26449
3553 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3555 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3558 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3559 referenced_variables with matching DECL_UID's.
3560 (find_referenced_vars): Make sure duplicate list is empty to start.
3561 (referenced_var_p): Remove.
3562 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3563 Check if var is in the list, and add if needed. Update the duplicate
3564 list if a different var is in the list with the same DECL_UID.
3565 (add_referenced_var): Call routine to check and insert.
3566 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3567 * tree-flow.h (referenced_vars_dup_list): External declaration.
3569 2006-06-07 Fred Fish <fnf@specifix.com>
3571 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3574 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3577 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3578 the imaginary and real parts of a clobbered register.
3579 Emit insn to set the imaginary part.
3581 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3583 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3584 in lieu of unwind-dw2-fde.c.
3586 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3588 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3590 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3593 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3594 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3595 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3596 V4SImode temporaries and operations instead.
3598 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3600 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3603 2006-06-06 Mike Stump <mrs@apple.com>
3605 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3606 installing during build.
3608 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3610 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3612 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3613 * config/ia64/ia64.c (params.h): New header.
3614 (ia64_optimization_options): New function to adjust parameters.
3615 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3616 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3617 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3619 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3621 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3623 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3626 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3628 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3629 Victor Kaplansky <victork@il.ibm.com>
3631 PR tree-optimization/26360
3632 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3635 2006-06-04 Roger Sayle <roger@eyesopen.com>
3636 Andrew Pinski <pinskia@physics.uc.edu>
3639 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3640 for LABEL_DECL before calling DECL_WEAK.
3643 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3644 LABEL_DECL and PARM_DECL.
3646 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3650 * c-decl.c (grokdeclarator): Disallow variably modified types at
3651 file scope. Avoid marking shared array type of constant size as
3654 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3657 * c-common.c (fold_offsetof_1): Handle static members.
3659 2006-06-04 Eric Christopher <echristo@apple.com>
3661 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3662 (debug_rli): Output value for remaining_in_alignment.
3663 (update_alignment_for_field): Unconditionalize
3664 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3665 extra alignment code.
3666 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3667 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3668 * tree.h (record_layout_info_s): Remove prev_packed.
3669 * doc/extend.texi (ms_struct): Add documentation of format.
3671 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3673 * tree.h: Declare folding_initializer.
3674 * builtins.c (fold_builtin_constant_p): Give definite answer
3675 if folding inside an initializer.
3676 * fold-const.c: Define folding_initializer.
3677 (START_FOLD_INIT): Save and then set folding_initializer.
3678 (END_FOLD_INIT): Restore folding_initializer.
3680 2006-06-04 Richard Guenther <rguenther@suse.de>
3682 PR tree-optimization/27039
3683 * fold-const.c (fold_comparison): Handle pointer comparison
3684 again for all comparison codes. Compare offsets in signed
3686 (fold_binary): Move code from here.
3688 2006-06-03 Roger Sayle <roger@eyesopen.com>
3691 * config/i386/i386.c (construct_container): Split static issued_error
3692 flag into issued_sse_arg_error, issued_sse_ret_error and
3693 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3694 requires the use of x87 registers and the user explicitly
3695 specified the -mno-80387 command line option.
3697 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3699 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3700 HAVE_DECL_SIGALTSTACK.
3702 (segv_handler): Use MC_FLD.
3703 * configure.ac: Check for a sigaltstack declaration.
3704 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3705 * configure: Regenerate.
3706 * config.in: Regenerate.
3708 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3711 * Makefile.in (stmp-fixinc): Fix typo.
3713 2006-06-02 Roger Sayle <roger@eyesopen.com>
3715 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3716 are type correct. Clean-up.
3717 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3718 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3720 2006-06-01 DJ Delorie <dj@redhat.com>
3722 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3723 shift, as we've disabled the "switch" insn that needs it.
3725 2006-06-01 Per Bothner <bothner@bothner.com>
3727 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3728 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3729 * c-ppoutput.c (cb_define): Don't increment line 0.
3731 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3733 * doc/invoke.texi: Add cpu_type power6.
3734 * config.gcc: Add cpu_type power6.
3735 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3736 to power5+ with Altivec.
3737 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3738 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3740 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3742 * config/avr/avr.h (SET_ASM_OP): Define.
3744 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3746 * config/bfin/bfin.c: Fix comment typos.
3748 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3751 * doc/install.texi: Document --enable-bootstrap and
3752 --disable-bootstrap.
3754 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3756 * doc/install.texi: Document that InfoZIP can replace jar.
3758 2006-05-31 Roger Sayle <roger@eyesopen.com>
3760 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3761 isn't available, directly generate the simpler x87 patterns without
3762 the (use (const_int 0)).
3763 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3764 implementation isn't available.
3765 (*negdf2_1): Likewise.
3766 (*negxf2_1): XF mode negation is always done using the x87.
3767 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3769 2006-05-31 Roger Sayle <roger@eyesopen.com>
3771 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3772 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3774 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3776 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3778 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3779 * config/bfin/bfin.c (basic-block.h): Include.
3780 (struct machine_function): New.
3781 (bfin_init_machine_status): New.
3782 (override_options): Initialize init_machine_status.
3783 (bfin_hardware_loop): New.
3784 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3785 (DEF_VEC_P (loop_info)): New.
3786 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3787 (struct loop_info): New.
3788 (loop_info): New typedef.
3789 (struct loop_work): New.
3790 (loop_work): New typedef.
3791 (DEF_VEC_O (loop_work)): New.
3792 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3793 (bfin_dump_loops): New.
3794 (bfin_bb_in_loop): New.
3795 (bfin_scan_loop): New.
3796 (bfin_optimize_loop): New.
3797 (bfin_reorg_loops): New.
3798 (bfin_reorg): Use bfin_reorg_loops.
3799 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3801 (I_REGNO_P): Simplify.
3802 (DP_REGNO_P, DPREG_P): New macros.
3803 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3804 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3805 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3806 Add LT_REGS, LC_REGS, LB_REGS.
3807 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3809 (REGNO_REG_CLASS): Deal with loop registers.
3810 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3812 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3813 New constants for loop registers.
3814 (UNSPEC_LSETUP_END): New.
3815 (seq_insns): New define_attr. Set it for appropriate insns.
3816 (movsi_insn): Add alternatives for move from/to
3817 loop count registers.
3818 (doloop_end): New define_expand.
3819 (loop_end): New define_insn.
3820 (define_split for bad doloop_end): New.
3821 (lsetup_with_autoinit): New define_insn.
3822 (lsetup_without_autoinit): New define_insn.
3823 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3824 * config/bfin/predicates.md (lc_register_operand): New.
3825 (lt_register_operand): New.
3826 (lb_register_operand): New.
3827 (nondp_register_operand): New.
3828 (nondp_reg_or_memory_operand): New.
3829 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3831 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3833 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3834 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3836 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3838 * Makefile.in (CATALOGS): Add po/ prefix.
3839 * configure: Regenerated.
3841 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3844 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3845 a shift operand before calling shift_op. Avoid redundant call of
3848 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3849 DJ Delorie <dj@redhat.com>
3851 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3852 we're inserting is a singlt-bit constant.
3854 2006-05-30 Roger Sayle <roger@eyesopen.com>
3856 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3857 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3859 2006-05-30 Roger Sayle <roger@eyesopen.com>
3861 PR tree-optimization/23452
3862 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3863 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3864 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3865 complex values and with -ffast-math for FP complex values.
3867 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3869 * c-common.h: Remove the prototype for yyparse.
3870 * rtl.h: Remove the prototype for init_loop.
3872 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3874 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3877 2006-05-30 Roger Sayle <roger@eyesopen.com>
3879 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3881 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3882 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3884 2006-05-30 Dirk Mueller <dmueller@suse.de>
3887 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3888 for CONSTANT_CLASS_P expresisons.
3890 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3893 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3895 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3897 PR tree-optimization/27779
3898 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3899 initial_condition instead of CHREC_LEFT.
3901 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3903 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3904 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3905 Make prototypes ISO C90.
3907 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3908 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3910 * see.c (see_analyze_one_def): Correct check.
3911 (see_get_extension_data): Check if extension is parallel.
3912 (see_get_extension_reg): Likewise.
3914 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3917 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3918 into register for (code == GTU).
3920 2006-05-29 Roger Sayle <roger@eyesopen.com>
3922 PR tree-optimization/24964
3923 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3924 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3925 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3926 abs(x)*abs(x) as x*x for scalar floating point modes.
3928 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3931 * lambda-code.c (perfect_nestify): Don't copy statements
3932 in the inner loop: move them to the inner loop header.
3934 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3937 * c-tree.texi: Document OpenMP directives and clauses.
3939 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3941 * varasm.c (globalize_decl): Fix indentation.
3943 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3946 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3947 pass_fre, pass_store_ccp, pass_copy_prop,
3948 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3949 pass_return_slot, pass_object_size, pass_lim,
3950 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3951 pass_loop_prefetch and pass_stdarg.
3953 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3955 * config/bfin/bfin.opt (mfdpic): New option.
3956 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3957 (EXTRA_MULTILIB_PARTS): Likewise.
3958 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3959 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3961 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3962 (CRT_CALL_STATIC_FUNCTION): New.
3963 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3965 (CRT_CALL_STATIC_FUNCTION): New.
3966 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3968 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3969 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3970 (initialize_trampoline): Changed to handle FD-PIC code generation.
3971 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3972 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3973 (override_options): Disallow -mid-shared-library -mfdpic combination.
3974 Can't do unaligned ops if FD-PIC.
3975 Turn off flag_pic if trying to generate non-id-shared-library
3976 non-fdpic code, since it's not supported.
3977 (bfin_assemble_integer): New function.
3978 (TARGET_ASM_INTEGER): Define.
3979 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3981 * config/bfin/crtn.s: Restore them.
3982 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3984 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3985 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3986 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3987 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3988 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3990 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3991 FDPIC_REGS and FDPIC_FPTR_REGS.
3992 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3993 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3994 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3995 (load_funcdescsi): New pattern.
3996 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3997 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3998 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
4000 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
4002 * gcse.c, rtlanal.c: Remove obsolete comments associated with
4005 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
4007 * tree-flow.h: Remove the prototype for add_type_alias.
4008 * tree-ssa-alias.c (add_type_alias): Remove.
4010 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4012 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4013 config/fr30/fr30.md, config/i386/i386-interix.h,
4014 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4015 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4016 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4017 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4018 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4019 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4020 Follow spelling conventions.
4021 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4022 Follow spelling conventions.
4024 2006-05-27 Richard Guenther <rguenther@suse.de>
4027 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4028 to produce a constant of value 1 of generic type.
4030 2006-05-27 Dirk Mueller <dmueller@suse.de>
4032 * cgraphunit.c (decide_is_function_needed): Fix wrong
4035 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4037 PR rtl-optimization/27661
4038 * reload.c (find_reloads): When reloading a VOIDmode constant
4039 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4040 use Pmode as mode of the reload register.
4042 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4044 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4045 is enabled at -O and above.
4047 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4050 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4053 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4056 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4057 for anonymous variables explicitly declared by front ends.
4059 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4061 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4062 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4063 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4064 ref-all pointers, run a finalization pass for them.
4065 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4066 (finalize_ref_all_pointers): New function.
4067 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4068 regular pointer type to a ref-all pointer type.
4069 (get_tmt_for): Return the special memory tag for ref-all pointers.
4071 2006-05-25 Richard Guenther <rguenther@suse.de>
4074 * fold-const.c (fold_binary): Do not look at the stripped
4075 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4077 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4079 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4080 for LT and GT if the computed range is effectively empty.
4082 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4085 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4086 mips_quad_format formats instead of ieee_single_format,
4087 ieee_double_format and ieee_quad_format formats, respectively.
4089 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4091 PR tree-optimization/27639
4092 PR tree-optimization/26719
4093 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4094 call to scev_probably_wraps_p.
4095 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4096 used_in_pointer_arithmetic_p, convert_step): Removed.
4097 (nowrap_type_p): New function.
4098 (scev_probably_wraps_p): Rewritten.
4099 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4100 chrec_convert if chrec_convert_aggressive might have been used.
4101 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4102 scev_direction): New functions.
4103 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4104 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4105 instead of convert_step.
4106 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4107 (convert_step): Declaration removed.
4108 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4110 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4112 * df-core.c: Added to header comments.
4113 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4114 df_ur_bb_info, df_urec_bb_info): Added comments.
4115 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4116 urec, ri problems): Fixed header comments.
4117 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4118 code from df_rd_transfer_function.
4120 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4122 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4123 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4124 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4126 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4128 * expr.c (undefined_operand_subword_p): New.
4129 (emit_move_multi_word): Do not generate move from undefined bits
4130 of a paradoxical subreg.
4132 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4134 PR rtl-optimization/27736
4135 * combine.c (replaced_rhs_value): New variable.
4136 (combine_instructions): Set it.
4137 (distribute_notes): When distributing a note in replaced_rhs_insn,
4138 check whether the value was used in replaced_rhs_value.
4140 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4143 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4144 add_referenced_var instead of add_referenced_tmp_var.
4145 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4146 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4148 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4149 tree_optimize_tail_calls_1): Use add_referenced_var.
4150 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4151 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4152 Use add_referenced_var.
4153 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4154 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4155 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4156 Use add_referenced_var.
4157 * tree-dfa.c (struct walk_state): Remove.
4158 (find_referenced_vars): Remove walk state and vars_found hash table.
4159 (make_rename_temp): Use add_referenced_var.
4160 (find_vars_r): Pass less parameters to add_referenced_var.
4161 (referenced_var_p): New. Is var in referenced_var hash table.
4162 (referenced_var_insert): Assert var isn't already in hash table.
4163 (add_referenced_var): Don't need walk_state parameter. Add var if it
4164 isn't already in the hash table.
4165 (add_referenced_tmp_var): Remove.
4166 (find_new_referenced_vars_1): Use add_referenced_var.
4167 * tree-ssa-pre.c (create_expression_by_pieces,
4168 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4169 Use add_referenced_var.
4170 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4171 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4172 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4174 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4175 vect_create_data_ref_ptr, vect_create_destination_var,
4176 vect_init_vector, vect_build_loop_niters,
4177 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4178 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4179 Use add_referenced_var.
4180 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4181 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4182 (add_referenced_var): Add prototype.
4183 * tree-ssa-structalias.c (get_constraint_for,
4184 intra_create_variable_infos): Use add_referenced_var.
4186 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4188 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4189 big-endian paradoxical subregs.
4190 * var-tracking.c (struct micro_operation_def): Document that,
4191 for modify micro operations, insn is the subsequent instruction.
4192 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4193 (var_reg_set, var_mem_set): ... new functions.
4194 (add_stores): Record subsequent insn.
4195 (compute_bb_dataflow): Use new functions for MO_USE.
4196 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4197 notes after the insn, and modify notes before the insn known
4198 to be the subsequent one.
4199 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4201 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4204 * config/i386/i386.c (ix86_expand_builtin): Use
4205 gen_sse3_monitor64 for TARGET_64BIT.
4207 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4209 PR rtl-optimization/26375
4210 PR rtl-optimization/26855
4211 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4213 (df_ru_bb_local_compute): Reversed statements and removed bogus
4214 comment explaining why they should be in wrong order.
4215 (df_ru_dump, df_rd_dump): Enhanced debug info.
4216 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4218 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4219 reaching uses and fixed space problem.
4221 2006-05-23 Jan Hubicka <jh@suse.cz>
4223 * cgraphunit.c (decide_is_function_needed): Also nested functions
4224 and functions declared inline can be optimized out at -O0.
4226 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4228 * doc/install.texi (Configuration): Remove reference to CrossGCC
4232 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4235 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4236 ix86_compare_emitted is non-NULL.
4238 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4241 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4244 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4246 PR rtl-optimization/25514
4247 * combine.c (replaced_rhs_insn): New variable.
4248 (combine_instructions): Set replaced_rhs_insn when trying to replace
4249 a SET_SRC with a REG_EQUAL note.
4250 (distribute_notes): Use replaced_rhs_insn when determining the live
4251 range of a REG_DEAD register.
4253 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4254 Anatoly Sokolov <aesok@post.ru>
4256 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4257 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4258 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4259 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4260 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4261 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4262 at90usb647, at90usb1286 and at90usb1287 devices.
4263 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4264 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4266 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4268 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4270 2006-05-22 Richard Guenther <rguenther@suse.de>
4273 2006-01-31 Richard Guenther <rguenther@suse.de>
4274 Paolo Bonzini <bonzini@gnu.org>
4276 * doc/install.texi (--disable-libgcc-math): Document.
4278 2006-05-22 Richard Guenther <rguenther@suse.de>
4281 2006-01-31 Richard Guenther <rguenther@suse.de>
4283 * doc/invoke.texi (-msselibm): Document.
4284 * target.h (expand_library_builtin): New target hook.
4285 * builtins.c (expand_builtin): Use expand_library_builtin.
4286 (default_expand_library_builtin): New function.
4287 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4288 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4289 (link_gcc_math_spec): Declare.
4290 (static_specs): Add link_gcc_math_spec.
4291 * expr.h (default_expand_library_builtin): Declare.
4292 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4293 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4294 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4295 * config/i386/i386.opt (msselibm): New target option.
4296 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4297 (ix86_init_sse_abi_builtins): New function.
4298 (ix86_expand_library_builtin): Likewise.
4299 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4300 (override_options): Handle error conditions wrt -msselibm.
4301 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4302 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4303 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4306 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4309 * c-common.c (self_promoting_args_p): Skip erroneous args.
4312 * c-decl.c (finish_struct): Skip erroneous fields.
4314 2006-05-22 Nick Clifton <nickc@redhat.com>
4316 * config/cris/cris.opt (march): Remove VarExists attribute.
4317 (max-stackframe=): Likewise.
4319 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4321 * doc/rtl.texi: Fix a typo.
4322 * see.c: Fix comment typos.
4324 * tree-ssa-structalias.h (alias_info): Remove num_references.
4326 2006-05-21 Mike Stump <mrs@apple.com>
4328 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4330 (darwin_pragma_options): Use BAD instead.
4331 (darwin_pragma_unused): Likewise.
4332 (darwin_pragma_ms_struct): Likewise.
4334 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4336 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4338 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4340 PR rtl-optimization/27671
4341 * simplify-rtx.c (simplify_relational_operation_1): Fix
4342 simplifications of (eq/ne (xor x y) y) and
4343 (eq/ne (xor x y) x).
4345 PR tree-optimization/26622.
4346 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4349 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4351 * tree-cfg.c: Prune whitespace.
4352 (debug_tree_cfg): Point to correct header containing the
4355 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4358 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4360 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4363 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4364 or sorry count is non zero.
4366 2006-05-20 Andreas Schwab <schwab@suse.de>
4368 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4370 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4371 Kenneth Zadeck <zadeck@naturalbridge.com>
4373 PR rtl-optimization/26855
4375 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4377 (df_scan_alloc): Added code to properly handle multiword hard
4378 registers and add all_blocks parameter.
4379 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4380 code to properly handle multiword hard registers.
4381 (df_rescan_blocks): Added code to remove deleted blocks from
4383 (df_ref_create_structure, df_ref_record): Added code to properly
4385 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4386 and set DF_REF_PARTIAL.
4387 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4388 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4389 (df_scan_add_problem): Added flags parameter.
4390 (df_ref_create_structure): Changed switching structure.
4391 (df_bb_refs_record): Fixed case where duplicate artificial refs
4392 were created. Changed location of flags.
4393 (df_record_entry_block_defs): Added code to make stack pointer
4394 live in entry block. Refined cases where frame pointer is needed.
4395 Changed location of flags.
4396 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4397 (df_set_state): Removed function.
4398 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4399 df_insn_create_insn_record, df_insn_refs_delete,
4400 df_ref_create_structure): Formatting changes.
4401 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4402 df_delete_basic_block): New function.
4403 (df_init): Changed location of flags.
4404 (df_add_problem): Added flags parameter and the way flags are
4406 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4407 debug_df_chain): Improved debugging output.
4408 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4409 (df_refs_chain_dump): Removed df parameter.
4410 (df_iterative_dataflow): Added consistency check.
4411 (df_prune_to_subcfg): Made public.
4412 (df_analyze_problem): Added blocks_to_init parameter and made
4414 (df_ref_record, df_bb_refs_record, df_mark_reg,
4415 df_record_exit_block_uses): Whitespace changes.
4416 (df_dump): Whitespace changes.
4417 * df.h: Some reordering to remove forward references.
4418 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4419 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4420 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4421 (dataflow.flags): New field.
4422 (df.flag): Deleted field.
4423 (df_alloc_function): Added additional bitmap parameter.
4424 (df_dependent_problem_function): New type.
4425 (df_problem.changeable_flags): New field.
4426 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4427 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4428 (df_mw_hardreg): New struct.
4429 (DF_INSN_UID_MWS): New macro.
4430 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4432 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4433 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4434 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4435 (df_set_state): Removed function.
4436 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4437 * df-problems.c (df_chain_dump): Removed df parameter.
4438 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4439 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4441 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4442 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4443 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4444 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4445 DF_REF_MUST_CLOBBER cases.
4446 (df_ru_bb_local_compute_process_def,
4447 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4448 df_lr_bb_local_compute, df_ur_bb_local_compute,
4449 df_chain_create_bb): Made subreg aware.
4450 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4451 df_lr_bb_local_compute, df_lr_bb_local_compute,
4452 df_chain_create_bb): Cleanup to use proper macros.
4453 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4454 code to fixup bitvectors.
4455 (df_ri_alloc): Cleared lifetime.
4456 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4457 df_create_unused_note): New function.
4458 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4459 REG_DEAD and REG_UNUSED notes as well as register information.
4460 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4461 df_chains_dump): Fixed crash if problem was never run.
4462 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4463 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4464 df_ri_add_problem): Processes flags in uniform manner.
4465 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4466 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4467 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4468 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4469 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4470 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4471 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4472 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4473 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4474 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4475 * see.c (see_initialize_data): Ditto.
4476 * final.c (rest_of_clean_state) Added regstack_completed.
4477 * rtl.h (regstack_completed): Ditto.
4478 * reg-stack.c (regstack_completed): Ditto.
4480 2006-05-19 Mike Stump <mrs@apple.com>
4482 * c-tree.h (default_conversion): Remove.
4483 * c-common.h (default_conversion): Add.
4485 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4487 * tree-vrp.c (valid_value_p): New function.
4488 (adjust_range_with_scev): Fail if the value of bound is not
4491 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4493 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4494 (mips_fallback_frame_state): Use syscall numbers to determine
4495 the appropriate li instruction for the current ABI. Only use
4496 __NR_sigreturn for o32.
4498 2006-05-19 Nicolas Setton <setton@adacore.com>
4500 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4501 * langhooks.c (lhd_dwarf_name): New function.
4502 * langhooks-def.h (lhd_dwarf_name): Declare.
4503 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4504 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4505 * ada/misc.c (gnat_dwarf_name): New function.
4506 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4508 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4510 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4512 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4513 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4514 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4515 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4516 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4517 determine the size of Wtype, etc.
4518 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4519 (swfloatfuncs): New variable.
4520 (dwfloatfuncs): Likewise.
4521 (lib2funcs): Remove floating-point conversion functions from
4522 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4523 the set of conversion routines needed. Allow entries to specify
4524 an object name, filename and word size. Update users accordingly.
4525 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4526 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4530 2006-02-08 Roger Sayle <roger@eyesopen.com>
4533 * config/fixtfdi.c: New libgcc source file.
4534 * config/fixunstfdi.c: New source file.
4535 * config/floatditf.c: New source file.
4536 * config/floatunditf.c: New souce file.
4537 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4538 files above instead of config/mips/_tilib.c.
4539 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4541 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4543 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4544 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4546 2006-05-18 Mike Stump <mrs@apple.com>
4548 Fix up vla, vm and [*] sematics.
4554 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4555 (c_vla_unspec_p): Add.
4556 (c_vla_type_p): Add.
4557 * c-decl.c (struct c_scope): Add had_vla_unspec.
4558 (build_array_declarator): Add support for [*].
4559 (grokdeclarator): Likewise.
4560 (grokparms): Likewise.
4561 (get_parm_info): Likewise.
4562 * c-objc-common.c (c_vla_unspec_p): Likewise.
4563 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4564 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4565 typeof when argument is a variably modified type not inside sizeof or alignof.
4566 (c_parser_direct_declarator_inner): Propagate errors.
4567 (c_parser_sizeof_expression): Add support for [*].
4568 (c_parser_parms_declarator): Initialize had_vla_unspec.
4569 (c_parser_parms_list_declarator): Likewise.
4570 * c-typeck.c (c_vla_type_p): Add.
4571 (composite_type): Add support for vla compositing.
4572 (comptypes_internal): Add support for vla compatibility.
4573 (c_expr_sizeof_expr): Evaluate vla arguments.
4574 * tree.c (variably_modified_type_p): Update comment for [*].
4576 2006-05-18 Michael Matz <matz@suse.de>
4579 * config.host: Make assignments to host_xmake_file cumulative.
4580 * config.host (*-darwin*): Test $host, not $target.
4582 2006-05-12 Stuart Hastings <stuart@apple.com>
4584 * config/i386/i386.opt (-mstackrealign): New flag.
4585 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4586 (ix86_handle_cconv_attribute): Emit error when
4587 force_align_arg_pointer attribute collides with too many regparms.
4588 (ix86_function_regparm): Limit regparms when used with
4589 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4590 Support stack-realigning prologue in non-main functions. Emit
4591 warning for nested functions under -mstackrealign, emit error for
4592 nested functions with force_align_arg_pointer attribute.
4593 * doc/extend.texi (force_align_arg_pointer): Document it.
4594 * doc/invoke.texi (-mstackrealign): Document it.
4596 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4598 PR rtl-optimization/27477
4599 * combine.c (try_combine): Don't split a parallel consisting
4600 of two sets into two individual sets if both sets reference
4603 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4605 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4606 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4608 * doc/options.texi (VarExists): Updated.
4610 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4612 * unwind-dw2.c: Add declarations for uw_update_context and
4614 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4615 detected, advance frame state and context once to skip over stub.
4617 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4621 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4622 Call rewrite_into_loop_closed_ssa only when something changed.
4623 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4624 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4625 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4626 Test for perfect_nest_p here. Fix formating.
4627 (replace_uses_equiv_to_x_with_y): Fix formating.
4628 (stmt_uses_op): Removed.
4629 (can_convert_to_perfect_nest): Removed loopivs parameter.
4630 Complete the test by checking the scalar dependences.
4631 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4634 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4637 From Dan Kegel <dank@kegel.com>:
4638 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4640 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4642 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4643 if the element type is variably modified without recursing.
4645 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4648 * tree-loop-linear.c (try_interchange_loops): Test for
4649 no data dependences.
4651 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4653 PR tree-optimization/27548
4654 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4655 range of ssa names that appear on abnormal edges.
4656 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4657 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4659 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4662 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4664 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4667 * tree.h (OMP_PARALLEL_COMBINED): Define.
4668 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4669 (new_omp_context): Add is_combined_parallel argument.
4670 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4671 new_omp_context caller.
4672 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4673 Adjust gimplify_scan_omp_clauses callers.
4674 (omp_is_private): Issue errors if iteration variable is firstprivate
4675 or reduction in the current context.
4676 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4677 on combined parallel workshare constructs.
4679 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4681 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4682 (gcc-options.o): New rule.
4684 * optc-gen.awk: Protect variables for gcc-options.o with
4685 #ifdef GCC_DRIVER/#endif.
4687 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4689 Fix PR tree-optimization/27373
4690 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4691 (forward_propagate_addr_expr): Update call.
4693 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4695 * doc/options.texi: Move the Negative option.
4697 2006-05-16 Richard Guenther <rguenther@suse.de>
4699 PR tree-optimization/22303
4700 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4702 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4703 ccp_fold did not simplify the statement.
4705 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4708 * Makefile.in (GCC_OBJS): New.
4709 (OBJS-common): Add opts-common.o.
4710 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4711 (cpp$(exeext)): Likewise.
4712 (gcc.o): Also depend on opts.h.
4713 (opts-common.o): New.
4715 * common.opt (gcoff): Add Negative(gdwarf-2).
4716 (gdwarf-2): Add Negative(gstabs).
4717 (gstabs): Add Negative(gstabs+).
4718 (gstabs+): Add Negative(gvms).
4719 (gvms): Add Negative(gxcoff).
4720 (gxcoff): Add Negative(gxcoff+).
4721 (gxcoff+): Add Negative(gcoff).
4722 * config/i386/i386.opt (m32): Add Negative(m64).
4723 (m64): Add Negative(m32).
4725 * doc/options.texi: Document the Negative option.
4727 * gcc.c: Include "opts.h".
4728 (main): Call prune_options after expandargv.
4730 * optc-gen.awk: Generate common declarations for all flag
4731 variables in options.c. Output the neg_index field.
4733 * opts.c (find_opt): Moved to ...
4734 * opts-common.c: Here. New file.
4736 * opts.h (cl_option): Add a neg_index field.
4738 (prune_options): Likewise.
4740 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4743 * omp-low.c (expand_omp_parallel): Don't assert
4744 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4745 instead search for it.
4748 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4751 2006-05-16 Andreas Schwab <schwab@suse.de>
4753 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4756 2006-05-15 Roger Sayle <roger@eyesopen.com>
4759 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4760 integer constants other than zero are only legitimate on TARGET_64BIT.
4761 <CONST_VECTOR> Only zero vectors are legitimate.
4762 (ix86_cannot_force_const_mem): Integral and vector constants can
4763 always be put in the constant pool.
4765 2006-05-16 DJ Delorie <dj@redhat.com>
4767 * crtstuff.c (__dso_handle): Set section from
4768 TARGET_LBIGCC_SDATA_SECTION if defined.
4769 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4770 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4772 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4775 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4778 2006-05-16 Ben Elliston <bje@au.ibm.com>
4780 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4782 2006-05-15 Per Bothner <per@bothner.com>
4784 * tree.c: (last_annotated_node): Use source_locus typedef.
4785 This permits bootstrapping with --enable-mapped-location.
4787 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4789 PR tree-optimization/26830
4790 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4791 (info_for_ssa_name, current_info_for_ssa_name_age,
4792 blocks_to_update): New variables.
4793 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4794 (clear_ssa_name_info, initialize_flags_in_bb,
4795 mark_block_for_update): New functions.
4796 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4797 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4798 prepare_def_site_for): Use mark_block_for_update.
4799 (mark_def_interesting): Assert that the processed block is marked in
4800 blocks_to_update. Do not take blocks argument.
4801 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4803 (rewrite_update_init_block, rewrite_update_stmt): Only process
4804 blocks with statements to rewrite.
4805 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4806 (update_ssa): Initialize and free blocks_to_update. Do not
4807 clear flags on statements. Do not use blocks bitmap.
4808 * tree.h (SSA_NAME_AUX): Removed.
4809 (struct tree_ssa_name): Removed aux field.
4810 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4812 2006-05-15 Richard Guenther <rguenther@suse.de>
4814 PR tree-optimization/27603
4815 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4816 Do computations in original type.
4818 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4820 * see.c: Code style changes such as redundant paranthesis,
4821 redundant intialization of local variables etc.
4822 (see_main): Declared now as static.
4823 * doc/invoke.texi: Update that -fsee is not enabled by
4826 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4828 * omp-low.c (check_omp_nesting_restrictions): New function.
4829 (scan_omp_1): Call it.
4832 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4833 construct, return *VAR.
4835 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4837 PR rtl-optimization/27406
4838 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4841 2006-05-14 Roger Sayle <roger@eyesopen.com>
4843 PR rtl-optimization/27538
4844 * combine.c (expand_compound_operation): Call gen_lowpart
4845 before calling simplify_shift_const.
4847 2006-05-14 Roger Sayle <roger@eyesopen.com>
4849 PR rtl-optimization/22563
4850 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4851 a fixed width bitfield, always force the intermediates into psuedos.
4853 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4856 * mkconfig.sh: Use operator = instead of == for test.
4858 2006-05-13 Nick Clifton <nickc@redhat.com>
4860 * dwarf2out.c (dbx_reg_number): Check return value from
4861 LEAF_REG_REMAP and only use it if it is valid.
4862 (multiple_reg_loc_descriptor): Likewise.
4864 2006-05-13 Richard Guenther <rguenther@suse.de>
4866 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4869 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4871 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4872 information attached to non-INSNs such as NOTEs.
4873 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4875 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4877 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4879 * config/s390/s390.md: Adjust comment describing On constraint.
4881 2006-05-11 Jan Hubicka <jh@suse.cz>
4883 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4884 to be output at -O0.
4886 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4889 * fold-const.c (size_binop): Move sanity check for arguments to
4890 the beginning of the function.
4893 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4896 2006-05-11 Richard Guenther <rguenther@suse.de>
4899 * fold-const.c (fold_unary): Handle intermediate conversion
4900 to a pointer type like intermediate conversion to an integer
4901 type in folding of (T1)(T2)var to var.
4902 Match the code to the comment in the final conversion for
4903 (T1)(T2)var to (T1)var regarding to type precision. Rather
4904 than disallow T1 being of pointer type, assert that both T1
4905 and var are of pointer type or not. Make sure not to fall
4906 over the frontends lazyness wrt array to pointer decay though.
4908 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4910 * arm.c (arm_struct_value_rtx): Delete.
4911 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4912 (arm_init_cumulative_args): Always initialize nregs to zero.
4914 2006-05-10 Richard Guenther <rguenther@suse.de>
4916 PR tree-optimization/27532
4917 * tree-object-size.c (plus_expr_object_size): Fix typo.
4919 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4922 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4923 ashrdi_const, ashrdi3): Use a scratch register.
4925 2006-05-10 Richard Guenther <rguenther@suse.de>
4927 PR tree-optimization/27302
4928 * fold-const.c (operand_equal_p): For two comparisons,
4929 try comparison of one comparison code swapped if that yields
4932 2006-05-10 Ben Elliston <bje@au.ibm.com>
4934 * tree-pretty-print.c (pretty_print_string): No need to handle
4935 '\0' as a special character.
4937 * tree.h: Include "hashtab.h".
4938 (iterative_hash_expr): Use hashval_t in its prototype.
4939 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4941 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4944 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4945 (hppa*64*-*-hpux11*): Ditto.
4946 (hppa[12]*-*-hpux11*): Ditto.
4948 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4951 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4953 2006-05-09 Michael Matz <matz@suse.de>
4955 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4956 host_extra_gcc_objs and host_xmake_file.
4957 (<*-*-linux*>): Don't overwrite host_xmake_file.
4958 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4959 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4960 (host_detect_local_cpu): Declare.
4961 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4962 * config/i386/i386.c (override_options): Handle -mtune=native
4964 * config/i386/x-i386: New file.
4965 * config/i386/driver-i386.c: New file.
4966 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4969 2006-05-09 Dirk Mueller <dmueller@suse.de>
4970 Richard Guenther <rguenther@suse.de>
4973 * fold-const.c (fold_read_from_constant_string): Relax check
4974 for matching types to matching modes.
4976 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4978 PR rtl-optimization/27335
4979 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4982 2006-05-08 Chao-ying Fu <fu@mips.com>
4983 Richard Sandiford <richard@codesourcery.com>
4985 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4986 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4987 * config/mips/mips.md (UNSPEC_SCC): New constant.
4988 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4989 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4990 (mips_emit_compare): Use it.
4991 (mips_expand_vcondv2sf): New function.
4993 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4995 Fix PR tree-optimization/27093
4996 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4997 renaming when they become not-used_alone.
4999 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
5001 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
5002 relocation and relocation stubs.
5004 2006-05-08 Eric Christopher <echristo@apple.com>
5006 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
5009 2006-05-08 Jan Hubicka <jh@suse.cz>
5012 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5013 unused static functions are needed.
5015 2006-05-08 Roger Sayle <roger@eyesopen.com>
5018 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5019 of a reg_equiv_constant if the result is a legitimate constant.
5021 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5024 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5025 standard 80387 constants, raise the cost to prevent
5026 compress_float_constant() to generate load from memory.
5028 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5030 * config/arm/constraints.md (c): Fix a typo.
5032 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5035 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5038 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5040 (_mm_mwait): Likewise.
5042 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5044 (sse3_monitor): Make it 32bit only.
5045 (sse3_monitor64): New. 64bit monitor.
5047 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5050 * config/i386/i386.c (classify_argument): Skip fields with invalid
5053 2006-05-07 Richard Guenther <rguenther@suse.de>
5055 PR tree-optimization/27409
5056 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5057 Do not try to find zero-sized subvars.
5059 2006-05-07 Richard Guenther <rguenther@suse.de>
5061 PR tree-optimization/27136
5062 * tree-ssa-loop-niter.c (get_val_for): Correct function
5063 comment, assert requirements.
5064 (loop_niter_by_eval): Stop processing if the iterated
5065 value did not simplify.
5067 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5069 * opts.c (flag_see): remove its setting at -O3.
5071 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5073 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5074 * arm/constraints.md: New file.
5075 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5076 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5077 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5078 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5079 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5080 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5081 * arm.md: Include constraints.md.
5082 (thumb_movsi_insn): Use satisfies_constraint_J.
5083 (movhi, movqi): Use satisfies_constraint_I.
5085 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5087 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5088 for atmeg a645 device.
5090 2006-05-06 Richard Guenther <rguenther@suse.de>
5092 PR tree-optimization/27151
5093 * tree-vect-transform.c (vectorizable_condition): Punt on
5094 values that have a different type than the condition.
5096 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5099 * c-parser.c (c_parser_cast_expression): Only insert casts into
5100 hash table if pointer.
5101 * function.c (used_types_insert_helper): Rename from
5103 (used_types_insert): Call used_types_insert_helper.
5104 * function.h (used_types_insert): Accept only one argument.
5106 2006-05-05 David Edelsohn <edesohn@gnu.org>
5108 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5109 scratch with output modifier.
5111 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5114 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5115 with output modifier.
5117 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5120 * config/mips/mips.c (mips_symbolic_address_p): Return true
5121 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5122 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5124 2006-05-04 Richard Guenther <rguenther@suse.de>
5126 PR tree-optimization/14287
5127 PR tree-optimization/14844
5128 PR tree-optimization/19792
5129 PR tree-optimization/21608
5130 PR tree-optimization/27090
5131 * tree-ssa-pre.c (try_combine_conversion): New function.
5132 (compute_avail): After constructing the value-handle
5133 expression, use try_combine_conversion to combine NOP_EXPRs
5134 with previous value-handle expressions and use the result if it
5137 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5139 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5141 2006-05-04 Jan Hubicka <jh@suse.cz>
5144 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5146 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5148 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5149 that this only matches CONST_INTs. All users changed to VOIDmode
5152 * config/bfin/bfin.c: Include "optabs.h".
5153 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5155 (enum bfin_builtins): Add a number of fractional and vector builtins.
5156 (bfin_init_builtins): Likewise.
5157 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5158 (safe_vector_operand, bfin_expand_binop_builtin,
5159 bfin_expand_unop_builtin): New functions.
5160 (bfin_expand_builtin): Handle the new builtins.
5161 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5164 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5167 * Makefile.in (OBJS-common): Add see.o.
5168 (see.o): Add dependencies.
5169 * common.opt (fsee): New flag for the see optimization was added.
5170 * opts.c (flag_see): Initialized.
5171 * passes.c (init_optimization_passes, pass_see): New pass.
5172 * rtl.h (see_main): Declaration as extern.
5173 * timevar.def (TV_SEE): New.
5174 * tree-pass.h (pass_see): Declaration as extern.
5175 * invoke.texi (-fsee): Document.
5176 * recog.c (validate_simplify_insn): New function.
5177 * recog.h (validate_simplify_insn): Declaration as extern.
5178 * df-problems.c (df_chain_dump): Check for NULL.
5180 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5181 Daniel Berlin <dberlin@dberlin.org>
5183 * cfgrtl.c (insert_insn_bb_end_new): New function.
5184 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5186 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5188 * df.h (struct web_entry): Moved from web.c.
5189 (union_defs): Declaration as extern.
5190 (unionfind_root): Likewise.
5191 (unionfind_union): Likewise.
5192 * web.c (struct web_entry): Moved to df.h.
5193 (unionfind_root): Remove static declaration.
5194 (unionfind_union): Likewise.
5195 (union_defs): Likewise and generalize to use callback function.
5196 (web_main): Update arguments for union_defs function call.
5198 2006-05-04 Richard Guenther <rguenther@suse.de>
5200 PR tree-optimization/26447
5201 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5202 produce SSA_NAME copies before the store stmt to avoid
5203 breaking exception handling.
5205 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5208 * gimplify.c (omp_is_private): If var is shared in some outer context,
5209 return false instead of true. Stop searching on parallel context
5212 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5215 * coverage.c: Use get_gcov_unsigned_t() instead of
5216 unsigned_type_node all over.
5218 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5220 PR tree-optimization/27381
5221 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5222 maintain the same immediate_use links.
5223 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5224 node rather than segfaulting.
5226 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5229 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5230 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5231 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5233 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5235 Fix PR tree-optimization/26626
5236 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5238 * tree-ssa-operands.c (access_can_touch_variable): Allow
5239 typecasting through union pointers.
5241 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5244 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5245 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5246 to find if var will be a global variable even in the nested context.
5247 (omp_copy_decl): Only check for global variable at the end, it might
5248 be overridden in outer contexts.
5249 (scan_sharing_clauses): For global variables don't create a field.
5250 (lower_rec_input_clauses): Do nothing for global shared variables.
5251 Emit a barrier at the end of ILIST if there were any decls in both
5252 firstprivate and lastprivate clauses.
5253 (lower_send_clauses): Do nothing for global variables except for
5256 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5258 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5259 of the correct signedness is returned.
5261 2006-05-02 Jeff Law <law@redhat.com>
5263 PR tree-optimization/27364
5264 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5265 multiply expressions.
5267 2006-05-02 Tom Tromey <tromey@redhat.com>
5269 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5271 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5274 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5275 -mthumb -fPIC are used.
5277 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5278 Joshua Kinard <kumba@gentoo.org>
5281 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5282 with 64-bit pointers.
5284 2006-05-02 Paul Brook <paul@codesourcery.com>
5286 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5288 (create_fix_barrier): Check that a suitable barrier location is
5290 (arm_reorg): Include ftmp->address in allowable range of addresses.
5292 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5295 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5298 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5301 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5302 around RESULT_DECL for result passed by reference.
5303 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5304 * omp-low.c (use_pointer_for_field): Don't look at
5305 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5306 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5307 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5308 time or var for passing by reference for
5309 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5310 TREE_ADDRESSABLE variables when passing by reference.
5312 * omp-low.c (dump_omp_region): Fix output formatting.
5315 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5316 (expand_omp_parallel): Likewise.
5317 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5320 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5321 on statement list containing also constructors and destructors.
5322 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5325 * except.c (duplicate_eh_regions): Fix clearing of
5326 cfun->eh->region_array entries.
5328 2006-05-01 DJ Delorie <dj@redhat.com>
5330 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5332 (gcc_cv_objdump): Likewise.
5333 * configure: Regenerated.
5335 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5338 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5339 templates for case 3 and 4.
5341 2006-05-01 DJ Delorie <dj@redhat.com>
5343 * vec.c: Include bconfig.h when appropriate.
5344 * Makefile.in (build/vec.o): Adjust dependencies.
5345 * mkconfig.sh: Make sure config.h isn't used for build machine
5348 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5350 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5352 (mark_phi_for_rewrite): New function.
5353 (insert_phi_nodes_for, mark_use_interesting): Call
5354 mark_phi_for_rewrite.
5355 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5356 (update_ssa): Initialize and free phis_to_rewrite.
5358 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5360 PR rtl-optimization/27291
5361 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5362 folded to a constant.
5364 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5366 PR tree-optimization/27283
5367 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5368 not whole # of iteration descriptions.
5369 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5370 uses abnormal ssa name.
5371 (niter_for_single_dom_exit): Ditto.
5372 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5373 return just the number of iterations.
5375 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5377 PR tree-optimization/27144
5378 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5379 (record_estimate): Only record constant upper bound.
5380 (infer_loop_bounds_from_undefined): Call
5381 compute_estimated_nb_iterations just once.
5382 (proved_non_wrapping_p): Renamed to ...
5383 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5384 (convert_step_widening, scev_probably_wraps_p): Call
5385 n_of_executions_at_most instead of proved_non_wrapping_p.
5386 (substitute_in_loop_info): Do not replace values in bounds.
5387 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5390 2006-05-01 Richard Henderson <rth@redhat.com>
5393 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5394 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5397 2006-05-01 Roger Sayle <roger@eyesopen.com>
5399 * c-typeck.c (parser_build_binary_op): Don't call the function
5400 unsigned_conversion_warning to spot operand/result type overflow.
5401 (build_binary_op): Instead, call convert_and_check instead of
5402 convert to report the problem when the operands are promoted.
5403 * c-common.c (unsigned_conversion_warning): Make static.
5404 * c-common.h (unsigned_conversion_warning): Delete prototype.
5406 2006-05-01 Richard Guenther <rguenther@suse.de>
5408 PR tree-optimization/26726
5409 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5411 (find_interesting_uses_address): ... we work around here
5412 by folding INDIRECT_REFs in the substituted base.
5414 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5416 * omp-low.c (dump_omp_region): Add newlines.
5418 2006-04-30 Roger Sayle <roger@eyesopen.com>
5420 * common.opt (Woverflow): New command line option.
5421 * c-common.c (constant_expression_warning): Check warn_overflow.
5422 (overflow_waring): Pass OPT_Woverflow to warning.
5423 (unsigned_conversion_warning): Likewise.
5424 (convert_and_check): Likewise.
5425 * doc/invoke.texi: Document new command line option.
5427 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5429 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5430 TARGET_NO_FP_IN_TOC for section anchors.
5431 (optimization_options): Enable section anchors for all
5432 non-"Objective" languages.
5434 2006-04-28 Eric Christopher <echristo@apple.com>
5436 * config/darwin-c.c (darwin_ms_struct): Move this
5437 (darwin_set_default_type_attributes): and this...
5438 * config/darwin.c: ... here.
5439 * config/darwin.h (darwin_ms_struct): Declare.
5441 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5443 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5445 2006-04-28 Roger Sayle <roger@eyesopen.com>
5448 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5449 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5450 an unsigned HOST_WIDE_INT.
5451 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5453 (really_start_incremental_init): No need to call convert because
5454 bitsize_zero_node is already of type bitsizetype.
5455 (push_init_level): Extract the value of constructor_index as an
5456 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5457 (process_init_element): Likewise.
5459 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5461 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5462 value before passing to make_relative_prefix.
5464 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5467 * builtins.c (expand_builtin_memset): Expand val in original mode.
5469 2006-04-27 Eric Christopher <echristo@apple.com>
5471 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5472 with #ifndef/#endif.
5473 * config/darwin-c.c (darwin_ms_struct): New.
5474 (darwin_pragma_ms_struct): Ditto.
5475 (darwin_set_default_type_attributes): Ditto.
5476 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5477 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5478 Register ms_struct pragma.
5479 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5480 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5481 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5482 darwin_set_default_type_attributes if TARGET_MACHO.
5484 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5486 PR tree-optimization/26854
5487 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5488 * doc/tree-ssa.texi: Update immuse iterator documentation.
5489 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5490 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5491 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5492 first_safe_imm_use, next_safe_imm_use): Remove.
5493 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5494 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5495 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5496 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5497 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5498 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5499 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5500 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5501 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5502 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5503 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5504 (perfect_nestify): Use new iterator.
5505 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5507 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5508 (next_imm_name): New field in struct immediate_use_iterator_d.
5509 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5510 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5511 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5512 * tree-cfg.c (replace_uses_by): Use new iterator.
5513 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5514 * tree-ssa-operands.c (correct_use_link): Remove.
5515 (finalize_ssa_use_ops): No longer call correct_use_link.
5517 2006-04-27 Stuart Hastings <stuart@apple.com>
5519 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5520 * config/t-darwin (crt3.o): Use it.
5521 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5522 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5523 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5524 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5525 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5528 2006-04-27 Roger Sayle <roger@eyesopen.com>
5530 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5531 size, force the intermediate into a new pseudo rather instead of
5532 performing both a bitwise AND and a bitwise IOR in memory.
5534 2006-04-27 Richard Guenther <rguenther@suse.de>
5536 PR rtl-optimization/26685
5537 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5538 this one "max-flow-memory-locations".
5540 2006-04-27 Richard Guenther <rguenther@suse.de>
5542 PR tree-optimization/25148
5543 * tree-vrp.c (compare_values): Remove code dealing with
5544 comparisons against type min/max value. Honour overflow
5545 and negative constants in code dealing with comparisons
5546 of plus and minus expressions.
5547 (value_inside_range): Use fold_binary with LE_EXPR and
5548 GE_EXPR rather than compare_values.
5550 2006-04-27 Dirk Mueller <dmueller@suse.de>
5552 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5555 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5557 * basic-block.h (safe_insert_insn_on_edge): Removed.
5558 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5560 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5561 Paolo Bonzini <bonzini@gnu.org>
5564 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5565 (simplify_and_const_int): Same.
5567 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5569 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5571 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5574 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5575 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5576 cgraph_global_info_ready.
5579 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5582 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5583 either decl or init is error_mark_node.
5586 * tree-flow.h (struct omp_region): Add sched_kind.
5587 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5588 instead of extracting omp for data.
5589 (expand_omp_for): Save extracted sched_kind.
5591 2006-04-25 Roger Sayle <roger@eyesopen.com>
5593 * expmed.c (store_bit_field): Also check whether the bitsize is
5594 valid for the machine's "insv" instruction before moving the
5595 target into a pseudo for use with the insv.
5596 * config/i386/predicates.md (const8_operand): New predicate.
5597 * config/i386/i386.md (extv, extzv, insv): Use the new
5598 const8_operand predicate where appropriate.
5600 2006-04-25 DJ Delorie <dj@redhat.com>
5602 * doc/install.texi (Specific): Clarify that this is not a list of
5603 supported hosts or targets.
5605 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5607 PR rtl-optimization/26725
5608 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5609 block's BB_DIRTY flag.
5611 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5613 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5616 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5617 to print an integer.
5619 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5621 * varasm.c (align_variable): New function.
5622 (get_block_for_decl): Apply align_variable to DECL before
5623 calculating section information.
5624 (assemble_variable): Split out alignment computation.
5626 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5628 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5631 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5633 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5634 MODE_PARTIAL_INT mode.
5635 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5636 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5638 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5639 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5641 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5643 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5645 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5646 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5647 MACFLAG_IH): Likewise.
5648 (movstricthi_1): Renamed from "*movstricthi".
5649 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5650 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5651 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5652 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5653 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5654 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5655 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5656 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5657 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5658 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5659 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5660 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5661 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5662 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5663 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5665 * doc/rtl.texi (ss_ashift): Improve wording.
5667 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5669 * dwarf2out.c (verify_marks_clear): New.
5670 (prune_unused_types): Call verify_marks_clear initially, not
5673 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5675 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5676 * doc/rtl.texi: Document them.
5677 * simplify-rtx.c (simplify_unary_operation,
5678 simplify_binary_operation_1): Don't abort when we see them.
5680 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5683 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5684 * configure.ac: Completely disregard languages that are not
5686 * configure: Regenerated.
5688 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5689 Richard Guenther <rguenther@suse.de>
5691 PR tree-optimization/27236
5692 * tree-inline.c (copy_body_r): Make sure to copy
5693 TREE_THIS_VOLATILE flag.
5695 2006-04-24 Richard Guenther <rguenther@suse.de>
5698 * tree-complex.c (update_parameter_components): Don't handle
5699 unused parameters which have no default def.
5701 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5702 Richard Guenther <rguenther@suse.de>
5704 PR tree-optimization/27218
5705 * tree-inline.c (expand_call_inline): Strip useless type
5706 conversions for the return slot address.
5708 2006-04-24 Richard Guenther <rguenther@suse.de>
5710 * cfgloop.h (struct loops): Remove unused field array. Reorder
5712 (LOOP_PREFETCH): Remove.
5714 2006-04-24 Richard Guenther <rguenther@suse.de>
5716 PR tree-optimization/22525
5717 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5718 variable, adjust types of generated expressions.
5720 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5722 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5723 (tree-vect-patterns.o): Likewise.
5725 (cselib.o): Likewise.
5726 (loop-doloop.o): Likewise.
5727 (regclass.o): Likewise.
5728 (reload1.o): Likewise.
5729 (explow.o): Replace target.h with $(TARGET_H).
5730 (ipa-prop.o): Likewise.
5731 (ipa-cp.o): Likewise.
5732 (ipa-inline.o): Likewise.
5733 (reorg.o): Likewise.
5734 (reg-stack.o): Likewise.
5736 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5738 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5740 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5742 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5744 * configure.ac: Completely disregard languages that are not
5746 * configure: Regenerated.
5749 * c-common.h (c_build_bitfield_integer_type): Declare.
5750 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5751 * c-common.c (c_build_bitfield_integer_type): ... here.
5753 2006-04-23 Roger Sayle <roger@eyesopen.com>
5756 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5757 a SImode SUBREG of a floating point register after no_new_pseudos.
5759 2006-04-23 Roger Sayle <roger@eyesopen.com>
5761 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5762 identify potentially eliminable registers to additionally catch
5763 VIRTUAL_INCOMING_ARGS_REGNUM.
5764 (addsi3): Update the conditions on when to use addsi_small_int.
5766 2006-04-23 Roger Sayle <roger@eyesopen.com>
5769 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5770 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5771 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5773 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5775 * fold-const.c (range_predecessor): Use operand_equal_p
5776 as the predicate for equality.
5777 (range_successor): Likewise.
5779 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5782 * config/soft-fp/op-common.h: Fix a typo.
5784 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5787 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5788 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5790 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5792 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5794 * doc/tm.texi: Fix a typo.
5796 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5798 * dwarf2out.c (struct die_struct): Document that die_sib makes
5799 a circular linked list.
5800 (FOR_EACH_CHILD): New.
5801 (reverse_die_lists): Delete.
5802 (reverse_all_dies): Delete.
5803 (add_dwarf_attr): Correct documentation.
5804 (remove_child_with_prev): New.
5805 (remove_child_TAG): Update for change to die_struct, use
5806 remove_child_with_prev.
5807 (add_child_die): Update for change to die_struct.
5808 (splice_child_die): Use remove_child_with_prev and add_child_die.
5809 (print_die): Use FOR_EACH_CHILD.
5810 (die_checksum): Likewise.
5811 (assign_symbol_names): Likewise.
5812 (output_location_lists): Likewise.
5813 (build_abbrev_table): Likewise.
5814 (calc_die_sizes): Likewise.
5815 (mark_dies): Likewise.
5816 (unmark_dies): Likewise.
5817 (unmark_all_dies): Likewise.
5818 (output_die): Likewise.
5819 (prune_unused_types_mark): Likewise.
5820 (prune_unused_types_walk): Likewise.
5821 (same_die_p): Update for change to die_struct.
5822 (break_out_includes): Likewise.
5823 (prune_unused_types_prune): Likewise.
5824 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5825 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5827 (dwarf2out_finish): Don't call reverse_all_dies.
5829 2006-04-21 Eric Christopher <echristo@apple.com>
5831 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5832 in comments and function names.
5834 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5837 * c-typeck.c (digest_init): Robustify.
5839 * c-typeck.c (pop_init_level): Simplify.
5841 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5843 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5845 2006-04-21 Paul Brook <paul@codesourcery.com>
5847 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5848 hardware floating point.
5850 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5852 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5855 2006-04-21 Nick Clifton <nickc@redhat.com>
5857 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5860 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5863 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5864 C++ lang type in traceback table for Objective-C++.
5866 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5868 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5870 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5872 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5875 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5876 were errors. Remove check for erroneous objects.
5878 2006-04-20 Jeff Law <law@redhat.com>
5880 PR tree-optimization/26854
5881 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5882 checking for zero or one use.
5883 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5884 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5885 * tree-ssa-reassoc.c (negate_value): Similarly.
5886 (reassociate_bb): Similarly.
5888 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5890 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5891 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5892 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5894 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5896 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5897 fp regs if the last fp arg doesn't fit in regs.
5899 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5902 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5903 that the last insn has the REG_INC note.
5905 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5906 Nathan Sidwell <nathan@codesourcery.com>
5909 * stor-layout.c (update_alignment_for_field): Do not align
5911 (place_union_field): Place union field at the start of the union.
5912 (place_field): Move ERROR_MARK check later, and use the current
5913 allocation position to maintain monotonicity.
5915 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5917 * dominance.c: Include timevar.h.
5918 (calculate_dominance_info): Use TV_DOMINANCE.
5919 * timevar.def (TV_DOMINANCE): New timevar.
5920 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5922 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5924 PR rtl-optimization/14261
5925 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5926 move would be an INSV insn.
5927 (noce_process_if_block): Don't optimize if the destination is a
5928 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5930 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5932 * config/s390/s390.md: Add comments with the instructions emitted
5933 by an insn pattern if macros are used.
5935 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5937 PR rtl-optimization/26026
5938 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5939 is a known power of two shifted left a variable amount.
5941 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5943 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5944 to hash table twice when the debug_str section has SECTION_MERGE.
5946 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5948 * config/soft-fp: New directory. From glibc.
5949 * config/soft-fp/t-softfp: New.
5950 * config/soft-fp/README: New.
5951 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5952 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5953 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5954 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5955 * config.gcc: Use rs6000/t-fprules-fpbit or
5956 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5958 * config/rs6000/sfp-machine.h: New. Based on glibc.
5959 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5961 * config/rs6000/t-fprules: Remove fp-bit rules.
5962 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5963 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5964 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5965 (softfp_wrap_start, softfp_wrap_end): New.
5967 2006-04-18 DJ Delorie <dj@redhat.com>
5969 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5971 2006-04-18 Devang Patel <dpatel@apple.com>
5973 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5975 2006-04-18 Nick Clifton <nickc@redhat.com>
5977 * config/sh/t-symbian: Add rule to build sh-c.o
5978 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5979 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5980 (sh_symbian_encode_section_info): Likewise.
5982 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5984 * builtins.c (expand_builtin_strcmp): Cover label definition of
5985 do_libcall with HAVE_cmpstrnsi.
5987 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5989 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5991 * function.h (temp_slot_p): New.
5992 (function): Change the type of x_used_temp_slots to
5993 VEC(temp_slot_p,gc) *.
5995 2006-04-18 Nick Clifton <nickc@redhat.com>
5997 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5998 flag_strength_reduce.
6000 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
6002 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6006 Partial revert of revision 112637
6007 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6008 Dale Johannesen <dalej@apple.com>
6011 * regclass.c (struct reg_pref): Update documentation.
6012 (regclass): Set prefclass to NO_REGS if memory is the best option.
6013 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6015 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6017 PR tree-optimization/26821
6018 * tree-ssa-math-opts.c (get_constant_one): New.
6019 (insert_reciprocals): Use it.
6021 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6023 * dwarf2out.c (free_AT): Delete.
6024 (remove_AT): Update string ref counts.
6025 (remove_child_TAG): Don't call free_die.
6027 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6028 or DW_TAG_GNU_EINCL.
6029 (prune_unused_types_walk_attribs): Reset string refcounts.
6030 (prune_unused_types_update_strings): New.
6031 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6032 call free_die. Do call prune_unused_types_update_strings.
6033 (prune_unused_types): Empty debug_str_hash.
6035 2006-04-17 Roger Sayle <roger@eyesopen.com>
6037 * expr.c (expand_assignment): Optimize away no-op moves where the
6038 source and destination are equal and have no side-effects.
6040 2006-04-17 Richard Guenther <rguenther@suse.de>
6043 * reload.c (push_reload): Guard calls to get_secondary_mem
6046 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6048 * alias.c (reg_base_value, old_reg_base_value): Change the
6049 type to VEC(rtx,gc) *.
6050 (REG_BASE_VALUE, find_base_value, record_set,
6051 init_alias_analysis): Use VEC instead of VARRAY.
6053 * alias.c (alias_sets): Change the type to
6054 VEC(alias_set_entry,gc) *.
6055 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6056 VEC instead of VARRAY.
6057 (last_alias_set): Remove.
6059 * cgraph.h (cgraph_edge_p): New.
6060 Update the prototype of cgraph_function_versioning.
6061 * cgraphunit.c (cgraph_copy_node_for_versioning,
6062 cgraph_function_versioning): Use VEC instead of VARRAY.
6063 * ipa-cp.c (ipcp_insert_stage): Likewise.
6065 2006-04-16 Roger Sayle <roger@eyesopen.com>
6068 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6069 "A op B" or "A op C", we may need to convert A to the type of B and C.
6071 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6073 * target.h (struct gcc_target): Add mode_rep_extended.
6074 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6075 (init_num_sign_bit_copies_in_rep): Initialize it using
6077 (truncate_to_mode): Use it.
6078 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6079 * targhooks.h (default_mode_rep_extended): Declare it.
6080 * targhooks.c (default_mode_rep_extended): Define it.
6081 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6082 default_mode_rep_extended.
6083 (TARGET_INITIALIZER): Include it.
6084 * doc/tm.texi (Misc): Document it.
6085 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6086 (mips_truncated_to_mode): New function.
6088 2006-04-16 Roger Sayle <roger@eyesopen.com>
6091 * expr.c (compress_float_constant): Copy the narrow constant into
6092 a new pseudo before extending it to its final width.
6094 2006-04-16 Roger Sayle <roger@eyesopen.com>
6095 Andrew Pinski <pinskia@gcc.gnu.org>
6096 Dale Johannesen <dalej@apple.com>
6099 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6100 special case code to implement V8HImode and V16QImode with SSE2.
6102 2006-04-15 Roger Sayle <roger@eyesopen.com>
6104 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6105 trees are constructed with a suitable tree type.
6107 2006-04-15 Roger Sayle <roger@eyesopen.com>
6109 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6110 (integer_onep): Likewise.
6111 (integer_all_onesp): Likewise.
6112 (integer_pow2p): Likewise.
6113 (integer_nonzerop): Likewise.
6114 (real_zerop): Likewise.
6115 (real_onep): Likewise.
6116 (real_twop): Likewise.
6117 (real_minus_onep): Likewise.
6118 (int_size_in_bytes): Likewise.
6119 (host_integerp): Likewise.
6121 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6123 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6124 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6125 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6127 * tree-ssa-structalias.h (alias_info): Remove num_references.
6129 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6131 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6132 (output_bvb patterns): Likewise.
6133 * pa.c (output_bb): Use 'bb' insn for long branch case.
6134 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6135 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6136 1. Correct length operand for alternatives 1 and 2.
6137 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6138 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6140 2006-04-14 Roger Sayle <roger@eyesopen.com>
6142 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6143 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6144 were accidentally reverted by r112959.
6146 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6149 * except.h (eh_region_outermost): New prototype.
6150 * except.c (eh_region_outermost): New function.
6151 * tree-cfg.c (find_outermost_region_in_block): Use it.
6153 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6155 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6157 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6158 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6159 (init_reload, reload): Use VEC instead of VARRAY.
6160 * reload.h: Update the prototype for
6161 reg_equiv_memory_loc_varray.
6163 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6164 Eric Botcazou <ebotcazou@libertysurf.fr>
6166 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6169 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6172 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6173 to expand fallback builtin function call.
6175 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6178 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6179 and emit libcall here in case the builtin fails.
6180 (expand_builtin_strcmp): Always emit the libcall here on failure.
6182 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6184 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6185 * flow.c (reg_n_info): Change the type to
6186 VEC(reg_info_p,heap) *.
6187 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6189 * regs.h (reg_info_p): New.
6190 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6191 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6192 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6195 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6197 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6199 * params.h (MAX_SCHED_READY_INSNS): New macro.
6200 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6201 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6202 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6203 the ready list for 1 cycle during the first scheduling pass.
6204 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6206 2006-04-13 Richard Henderson <rth@redhat.com>
6209 * gimple-low.c (lower_omp_directive): Remove dead code.
6210 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6211 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6212 * omp-low.c (struct omp_region): Move to tree-flow.h.
6213 (root_omp_region): Export.
6214 (omp_regions, lookup_omp_region): Remove.
6215 (determine_parallel_type): Update for struct omp_region changes.
6216 (dump_omp_region): Dump regions with block numbers.
6217 (new_omp_region): Take type and block instead of stmt; malloc
6219 (free_omp_region_1, free_omp_regions): New.
6220 (expand_parallel_call): Take entry_stmt as argument; update for
6221 changes to omp_region.
6222 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6223 (remove_exit_barriers): New.
6224 (expand_omp_parallel): Update for struct omp_region changes.
6225 (expand_omp_synch): Likewise.
6226 (expand_omp): Likewise.
6227 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6228 (expand_omp_for_static_chunk): Likewise.
6229 (expand_omp_for): Likewise.
6230 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6231 (expand_omp_sections): Similarly, with GOMP_sections_end.
6232 (expand_omp_single): New.
6233 (build_omp_regions_1): Update for OMP_CONTINUE.
6234 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6235 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6236 OMP_SECTIONS_SECTIONS.
6237 (lower_omp_single_simple): Don't emit barrier here.
6238 (lower_omp_single_copy): Likewise.
6239 (lower_omp_single): Fix bindings, and lower to straightline now.
6240 (lower_omp_master, lower_omp_ordered): Likewise.
6241 (lower_omp_critical): Likewise.
6242 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6243 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6244 omp edges, free it afterward.
6245 (make_omp_sections_edges): Remove.
6246 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6247 (move_stmt_r): Handle OMP_CONTINUE.
6248 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6249 statement pointers to basic blocks. Add type member.
6250 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6251 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6252 * tree-inline.c (estimate_num_insns_1): Likewise.
6253 * tree-pretty-print.c (dump_generic_node): Likewise.
6254 * tree-ssa-operands.c (get_expr_operands): Likewise.
6255 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6256 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6257 (OMP_CONTINUE): New.
6258 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6259 (OMP_SECTIONS_SECTIONS): Remove.
6260 (OMP_SECTION_LAST): New.
6261 (OMP_RETURN_NOWAIT): New.
6263 2006-04-13 Roger Sayle <roger@eyesopen.com>
6265 * fold-const.c (native_encode_vector, native_interpret_real):
6266 Correct obvious mistakes in the previous check-in.
6268 2006-04-13 Roger Sayle <roger@eyesopen.com>
6270 * fold-const.c (native_encode_expr): New function to encode
6271 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6272 or VECTOR_CST into a specified buffer.
6273 (native_encode_int): New function.
6274 (native_encode_real): New function.
6275 (native_encode_complex): New function.
6276 (native_encode_vector): New function.
6277 (native_interpret_expr): Inverse of native_encode_expr to convert
6278 a target representation into an INTEGER_CST, REAL_CST etc...
6279 (native_interpret_int): New function.
6280 (native_interpret_real): New function.
6281 (native_interpret_complex): New function.
6282 (native_interpret_vector): New function.
6283 (fold_view_convert_expr): New function to constant fold/evaluate
6284 a VIEW_CONVERT_EXPR of a suitable constant expression.
6285 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6286 Change call of build1 to fold_build1 when constructing a
6289 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6290 Ulrich Weigand <uweigand@de.ibm.com>
6293 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6296 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6299 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6300 optimize to lo_sum for DFmode if !TARGET_FPRS.
6302 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6304 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6305 delete_alias_info, compute_flow_sensitive_aliasing,
6306 group_aliases): Use VEC instead of VARRAY.
6307 * tree-ssa-structalias.c (update_alias_info): Likewise.
6308 * tree-ssa-structalias.h (alias_info): Change the type of
6309 processed_ptrs to VEC(tree,heap) *.
6311 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6314 * config/sh/lib1funcs.h: New file, broken out of:
6315 * config/sh/lib1funcs.asm.
6316 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6318 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6319 * config/sh/lib1funcs-Os-4-200.asm: New file.
6320 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6321 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6322 (EXTRA_MULTILIB_PARTS): Include it.
6323 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6324 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6325 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6326 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6329 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6331 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6332 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6333 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6335 * tree-ssa-live.h: Include vecprim.h.
6336 (tree_partition_associator_d): Change the type of
6337 first_partition to VEC(int,heap) *.
6338 (tpa_first_partition): Use VEC instead of VARRAY.
6340 * Makefile.in (GTFILES): Move functions.h after tree.h.
6341 * function.c (reset_block_changes, record_block_change,
6342 check_block_change, free_block_changes): Use VEC instead of
6344 * function.h (function): Change the type of
6345 ib_boundaries_block to VEC(tree,gc) *.
6346 * tree-inline.c (copy_cfg_body): Initialize
6347 ib_boundaries_block to NULL instead of (varray_type) 0.
6349 2006-04-12 Roger Sayle <roger@eyesopen.com>
6351 * expr.c (emit_group_store): Correct operand order in call to
6352 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6353 a SUBREG_BYTE of zero.
6355 2006-04-12 Richard Guenther <rguenther@suse.de>
6357 * profile.c (compute_branch_probabilities): Remove code
6358 encapsulated in !ir_type (), which are remanents of the
6359 removed RTL profiling code.
6360 * rtl-profile.c: Remove.
6362 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6364 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6365 magic NULL_RTX comment.
6366 (function_arg): Store entire fp arg to mem if any part should go
6368 (rs6000_arg_partial_bytes): Adjust for above change.
6370 2006-04-11 Roger Sayle <roger@eyesopen.com>
6372 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6373 if it hasn't been initialized by dwarf2out_init.
6375 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6377 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6378 symbolic constants in branch patterns.
6380 2006-04-11 Roger Sayle <roger@eyesopen.com>
6382 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6384 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6386 PR rtl-optimization/27073
6387 * gcse.c (try_replace_reg): Revert last change. Continue to search
6388 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6391 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6393 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6394 aggregate types other than record and union types.
6395 (function_arg): Likewise.
6396 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6398 (function_value): In 64-bit mode, return objects that require it
6401 2006-04-11 Roger Sayle <roger@eyesopen.com>
6403 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6405 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6407 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6409 2006-04-03 Jeff Law <law@redhat.com>
6412 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6413 alias information too.
6415 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6417 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6419 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6422 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6423 (premark_used_types_helper): New.
6424 (premark_used_types): New.
6425 (gen_subprogram_die): Call premark_used_types.
6426 (prune_unused_types_walk): Do not prune perennial dies.
6427 * function.c (used_types_insert): New.
6428 * function.h (struct function): Add used_types_hash field.
6429 (used_types_insert): Add prototype.
6430 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6431 * c-parser.c (c_parser_cast_expression): Save casted types in used
6434 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6437 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6438 rs6000_explicit_options.float_gprs.
6440 2006-04-10 Roger Sayle <roger@eyesopen.com>
6442 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6443 from ix86_expand_vector_init_low_nonzero. Take an additional
6444 one_var argument indicating which element is non-zero. Support
6445 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6446 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6447 with one_var instead of ix86_expand_vector_init_low_nonzero.
6449 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6451 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6452 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6453 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6454 build/genextract.o): Depend on vecprim.h.
6455 * cfglayout.c, df-problems.c, function.c, genextract.c,
6456 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6457 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6461 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6463 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6464 Declare VECs of this type.
6465 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6466 (remove_children): Delete.
6467 (add_dwarf_attr): Use VEC routines.
6468 (add_AT_flag): Update for changes to add_dwarf_attr.
6469 (add_AT_int): Likewise.
6470 (add_AT_unsigned): Likewise.
6471 (add_AT_long_long): Likewise.
6472 (add_AT_vec): Likewise.
6473 (add_AT_string): Likewise.
6474 (add_AT_die_ref): Likewise.
6475 (add_AT_fde_ref): Likewise.
6476 (add_AT_loc): Likewise.
6477 (add_AT_loc_list): Likewise.
6478 (add_AT_addr): Likewise.
6479 (add_AT_lbl_id): Likewise.
6480 (add_AT_lineptr): Likewise.
6481 (add_AT_macptr): Likewise.
6482 (add_AT_offset): Likewise.
6483 (add_AT_range_list): Likewise.
6484 (get_AT): Use VEC_iterate.
6485 (remove_AT): Use VEC_ordered_remove.
6486 (free_die): Fold remove_children into here; have it use VEC_iterate.
6487 (print_die): Use VEC_iterate on attrs.
6488 (reverse_die_lists): Don't reverse attr lists.
6489 (die_checksum): Use VEC_iterate on attrs.
6490 (same_die_p): Likewise.
6491 (output_location_lists): Likewise.
6492 (build_abbrev_table): Likewise.
6493 (size_of_die): Likewise.
6494 (unmark_all_dies): Likewise.
6495 (output_abbrev_section): Likewise.
6496 (output_die): Likewise.
6497 (prune_unused_types_walk_attribs): Likewise.
6499 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6501 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6503 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6506 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6508 2006-04-09 Roger Sayle <roger@eyesopen.com>
6510 * expr.c (store_constructor): Don't bother clearing target if
6511 we're about to assign a vector to it using vec_init_optab.
6513 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6515 * tree-ssa-alias.c (lhs_may_store_to): New function.
6516 (recalculate_used_alone): Handle LHS of calls.
6518 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6522 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6523 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6524 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6525 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6526 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6527 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6528 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6529 stubs. Add ".align 8" directives before all ".dword" directives.
6530 (GTHREAD_USE_WEAK): Revise comment.
6531 (TARGET_ATTRIBUTE_WEAK): Define.
6532 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6533 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6534 * stublib.c: New file.
6539 * pa.md (cbranch patterns): Revise arguments used in calls to
6540 output_cbranch, output_bb and output_bvd. Add long branch length
6542 (fbranch patterns): Handle long branches.
6543 (jump): Revise length check. Revise arguments for output_lbranch call.
6544 Add long branch length attributes.
6545 (decrement_and_branch_until_zero): Add long branch length attributes.
6546 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6547 Likewise. Revise arguments for output_parallel_addb and
6548 output_parallel_movb calls.
6549 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6550 output_parallel_movb and output_parallel_addb): Update prototypes.
6551 * pa.c (output_cbranch): Revise arguments. Correct handling of
6552 nullification in long branches.
6553 (output_lbranch): Add new argument to control extraction of delay
6555 (output_bb): Handle long branches.
6556 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6557 output_parallel_addb): Likewise.
6559 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6561 PR rtl-optimization/27073
6562 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6565 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6567 * tree.h (tree_memory_tag): Add old_used_alone.
6568 (SMT_OLD_USED_ALONE): New macro.
6569 * tree-ssa-alias.c (recalculate_used_alone): Stop
6570 marking things for renaming unnecessarily.
6572 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6574 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6575 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6576 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6577 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6578 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6579 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6580 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6581 spelling convensions.
6582 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6583 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6584 typos. Follow spelling conventions.
6586 2006-04-07 DJ Delorie <dj@redhat.com>
6588 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6589 passed on the stack.
6590 (m32c_init_cumulative_args): When a function returns a structure,
6591 always pass the pointer to that return area on the stack.
6592 (m32c_function_arg_advance): Don't increment the parameter number
6593 if we're processing the returned structure pointer.
6594 (pushm_info): Reverse order of registers.
6596 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6598 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6599 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6600 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6601 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6603 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6604 chrec_fold_multiply): Same.
6605 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6606 force_expr_to_var_cost): Same.
6607 * tree-mudflap.c (mf_xform_derefs_1): Same.
6608 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6610 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6612 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6613 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6616 2006-04-07 Jan Hubicka <jh@suse.cz>
6618 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6620 2006-04-07 Richard Guenther <rguenther@suse.de>
6622 PR tree-optimization/26135
6623 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6624 loads for store copy-prop.
6625 (copy_prop_visit_stmt): Likewise.
6627 2006-04-05 Robert Millan <robertmh@gnu.org>
6629 * config/i386/linux.h: Add a comment to mark macros that are
6630 being overriden in config/k*bsd-gnu.h.
6631 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6633 * config/knetbsd-gnu.h: Ditto.
6635 2006-04-06 Jan Hubicka <jh@suse.cz>
6639 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6642 2006-04-06 Mike Stump <mrs@apple.com>
6644 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6645 for HAVE_nonlocal_goto to be consistent.
6646 (expand_builtin_nonlocal_goto): Likewise.
6647 (expand_builtin_strcmp): Use #ifdef instead of #if
6648 for HAVE_cmpstrnsi to be consistent.
6650 2006-04-05 DJ Delorie <dj@redhat.com>
6652 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6655 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6657 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6658 got-relative addressing for anything but SImode.
6660 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6661 even if the calling function doesn't modify them.
6663 2006-04-05 Richard Guenther <rguenther@suse.de>
6665 PR tree-optimization/26919
6666 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6667 to cgraph_estimate_size_after_inlining.
6669 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6671 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6673 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6675 PR tree-optimization/26996
6676 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6677 VECTOR_TYPE variables.
6679 2006-04-05 Richard Guenther <rguenther@suse.de>
6681 PR tree-optimization/26763
6682 * fold-const.c (fold_comparison): Move folding of
6683 PTR + CST CMP PTR + CST ...
6684 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6686 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6688 * doc/install.texi (Prerequisites): Refine some wording on
6689 bootstrapping and ksh.
6690 Move the version numbers of DejaGnu here from the testing section
6691 and fix casing of names.
6692 Fix markup and clarify wording for autogen requirements.
6693 Refer to GCJ instead of just java.
6694 Refer to SVN instead of CVS.
6695 Describe diffutils as useful instead of necessary.
6696 (Downloading the source): Refer to SVN instead of CVS.
6697 Adjust a link to our web site accordingly.
6698 (Configuration): Fix casing of Bison.
6699 (Building): Refer to SVN instead of CVS.
6700 Fix a sentence on the use of Bison and remove duplicate (and
6701 incorrect) version number of Bison requirement.
6702 Remove one redundant list of packages needed for building.
6703 (Specific): Avoid reference to CVS.
6705 2006-04-04 Eric Christopher <echristo@apple.com>
6707 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6708 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6709 (rs6000_handle_struct_attribute): New.
6710 (rs6000_ms_bitfield_layout_p): Ditto.
6712 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6714 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6715 NULL for dso parameter to atexit_common.
6717 2006-04-04 Eric Christopher <echristo@apple.com>
6719 * config/i386/i386.c (machopic_output_stub): Output \t
6720 between instructions and operands.
6722 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6724 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6725 satisfies_constraint_[IL] to explicit tests on value.
6727 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6729 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6730 set_nb_iterations_in_loop): Use build_int_cst instead of
6732 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6733 build_int_cst instead of convert.
6735 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6737 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6738 new value 2 for incoming.
6739 * function.c (expand_function_start): Call struct_value_rtx
6741 * config/sparc/sparc.md: Comment updated_return.
6742 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6743 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6744 struct return if sparc_std_struct_return and incoming is 2.
6745 (print_operand): Do not adjust return if
6746 sparc_std_struct_return.
6748 2006-04-04 Roger Sayle <roger@eyesopen.com>
6750 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6751 convert in the middle-end.
6752 * expr.c (store_expr, store_constructor, get_inner_reference,
6753 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6755 * tree.c (build_range_type): Likewise.
6757 2006-04-04 Tom Tromey <tromey@redhat.com>
6759 * doc/install.texi (Prerequisites): Mention jar.
6761 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6763 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6766 2006-04-04 Matthias Klose <doko@debian.org>
6768 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6772 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6775 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6777 * doc/extend.texi (Function Attributes): Rewrite visibility
6778 attribute documentation.
6779 * doc/invoke.texi (C++ Dialect Options): Rewrite
6780 -fvisibility-inlines-hidden documentation to describe something
6781 entirely different, although in practise compatible.
6782 (Code Gen Options): Warn about system headers in -fvisibility=
6785 * doc/extend.texi (Other Builtins): Document that
6786 __builtin_nan is a compile-time constant only when its argument
6789 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6791 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6792 trying to remove TRUNCATE check if all bits outside the new mode
6793 are identical to the sign bit.
6795 2006-04-03 Jeff Law <law@redhat.com>
6797 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6798 and operand scanning in some common cases.
6800 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6801 Dale Johannesen <dalej@apple.com>
6804 * regclass.c (struct reg_pref): Update documentation.
6805 (regclass): Set prefclass to NO_REGS if memory is the best option.
6806 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6807 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6808 into account. For non-registers, equate an empty preferred
6809 reload class to a `!' in the constraint; move the if clause to
6810 do so after those that reject the insn.
6811 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6813 (find_dummy_reload): Likewise.
6814 * doc/tm.texi (Register Classes): Document what it means
6815 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6816 * config/i386/i386.c (ix86_preferred_reload_class): Force
6817 using SSE registers (and return NO_REGS for floating-point
6818 constants) if math is done with SSE.
6819 (ix86_preferred_output_reload_class): New.
6820 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6821 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6822 * config/i386/i386.md: Remove # register preferences.
6824 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6827 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6828 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6829 the type of nb_iter.
6830 (instantiate_parameters_1): Convert the operands before calling
6831 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6832 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6834 2006-04-02 Roger Sayle <roger@eyesopen.com>
6836 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6837 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6839 * dojump.c (do_jump): Likewise.
6840 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6841 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6842 gimplify_boolean_expr): Likewise.
6843 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6844 * varasm.c (array_size_for_constructor): Likewise.
6845 * tree-object-size.c (compute_object_offset): Likewise.
6847 2006-04-02 Roger Sayle <roger@eyesopen.com>
6850 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6851 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6853 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6855 PR tree-optimization/26939
6856 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6858 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6860 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6861 at_stmt. Convert the type of operands before calling
6862 build_polynomial_chrec.
6863 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6865 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6866 (instantiate_parameters_1): Convert the type of operands before calling
6867 build_polynomial_chrec.
6868 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6869 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6870 reset_evolution_in_loop): Insert asserts to check the types of the
6872 (chrec_type): Moved...
6873 (eq_evolutions_p): Use operand_equal_p.
6874 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6875 the types of the operands.
6876 (chrec_type): ...here.
6877 * tree-data-ref.c (create_data_ref): Convert the operands before
6878 calling chrec_replace_initial_condition.
6879 (same_access_functions, analyze_subscript_affine_affine,
6880 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6881 (compute_subscript_distance, analyze_ziv_subscript,
6882 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6883 analyze_miv_subscript): Convert the operands before calling
6884 chrec_fold_minus or chrec_fold_plus.
6886 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6888 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6889 the dependence_relations vector.
6890 (compute_data_dependences_for_loop): Adjust call to
6891 compute_all_dependences.
6893 2006-04-01 Roger Sayle <roger@eyesopen.com>
6894 Richard Henderson <rth@redhat.com>
6896 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6897 gimple_boolify on the condition before calling gimplify_expr.
6899 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6901 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6902 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6903 the frame size. Update to use the new macros.
6904 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6905 * config/xtensa/ieee754-df.S: Likewise.
6907 2006-03-31 Richard Henderson <rth@redhat.com>
6909 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6910 (make_edges): ... here. Control fallthru creation with a local
6911 variable. Do not play with fake edges.
6912 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6913 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6916 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6918 * dwarf2.h (DW64_CIE_ID): Define.
6919 * dwarf2out.c (DWARF_CIE_ID): Define.
6920 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6921 length header. Use DWARF_CIE_ID.
6922 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6923 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6925 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6927 * config/sh/linux-atomic.asm: New file.
6928 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6930 2006-03-31 DJ Delorie <dj@redhat.com>
6932 * config/m32c/cond.md: Set condition flags properly throughout.
6933 * config/m32c/minmax.md: Likewise.
6934 * config/m32c/prologue.md: Likewise.
6935 * config/m32c/bitops.md: Likewise.
6936 * config/m32c/muldiv.md: Likewise.
6937 * config/m32c/mov.md: Likewise.
6938 * config/m32c/addsub.md: Likewise.
6939 * config/m32c/m32c.md: Likewise.
6940 * config/m32c/jump.md: Likewise.
6941 * config/m32c/shift.md: Likewise.
6943 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6944 conditionally output the pattern for this.
6945 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6946 (m32c_compare_redundant): New.
6947 (m32c_output_compare): New.
6948 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6950 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6951 dest, not src. Allow other 4-byte modes.
6953 2006-03-30 Denis Chertykov <denisc@overta.ru>
6955 * doc/md.texi: Refer to avr/constraints.md instead of
6958 2006-03-30 Roger Sayle <roger@eyesopen.com>
6960 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6961 signed vs. unsigned comparison failures on some hosts.
6963 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6966 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6967 change to FLOAT_REGS.
6969 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6970 (rs6000_override_options): Use it.
6971 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6972 only for -mabi=spe/no-spe and -mabi=altivec.
6974 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6976 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6979 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6981 * Makefile.in: Rename docdir to gcc_docdir.
6983 2006-03-30 Roger Sayle <roger@eyesopen.com>
6986 * expr.c (emit_group_store): Optimize group stores into a pseudo
6987 register by using a paradoxical subreg to initialize the destination
6988 if the first or last member of the group specifies a "low part".
6990 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6993 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6994 * target.h (struct gcc_target.speculate_insn): Change type of the
6995 second parameter to 'int'.
6996 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6997 the second operand of the DEPS_LIST.
6998 (copy_DEPS_LIST_list): Update reference to the second operand of the
7000 * rtl.h (alloc_DEPS_LIST): Update signature.
7001 * sched-int.h (ds_t): Change typedef to 'int'.
7002 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7004 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7006 * haifa-sched.c (try_ready): Change condition to restore
7007 non-speculative pattern of the instruction.
7008 (process_insn_depend_be_in_spec): Code to keep probability of the
7009 speculative dependence non-decreasing.
7011 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7013 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7014 (single_move_for_movmem): ... this. Also change all uses.
7015 (bfin_expand_strmov): Renamed to...
7016 (bfin_expand_movmem): ... this. Also change all uses.
7017 * config/bfin/bfin.md (movstrsi): Renamed to...
7018 (movstrsi): ...this.
7020 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7022 PR tree-optimization/26830
7024 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7025 (copy_prop_visit_stmt): Remove write-only variable ann.
7026 (init_copy_prop): Check variable loop depth here. Do not simulate
7027 memory-tag and virtual operand PHIs except for store copy prop.
7029 2006-03-30 Richard Guenther <rguenther@suse.de>
7031 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7032 variants with double arguments.
7034 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7036 * genpreds.c (write_tm_constrs_h): Delete variable p.
7037 * genconditions.c (write_header): Add tm-constrs.h to included
7039 * genpeep.c (main): Add toplev.h to included headers.
7040 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7041 (build/genpeep.o): Add toplev.h dependency.
7042 * config/rs6000/constraints.md: Add "W" constraint.
7044 2006-03-29 Roger Sayle <roger@eyesopen.com>
7046 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7047 sizes by correctly testing whether the size fits a host integer.
7048 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7049 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7050 SImode range for the default sizetype and bitsizetype.
7052 2006-03-29 Roger Sayle <roger@eyesopen.com>
7054 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7055 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7056 quickly if the argument is already of the correct type.
7057 Call fold_build1 instead of build1. Tidy up blank lines.
7059 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7061 * genemit.c (main): Add tm-constrs.h to included headers.
7062 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7063 * genpeep.c (main): Add tm-constrs.h to included headers.
7064 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7065 (write_tm_constrs_h): this and write complete file.
7066 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7067 (write_insn_preds_c): Add tm-constrs.h to included headers.
7068 (gen_constrs): New variable.
7069 (parse_option): Parse "-c".
7070 (main): Invoke write_tm_constrs_h.
7071 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7072 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7073 (object_out_file): Add tm-constrs.h dependency.
7074 (insn-emit.o): Same.
7075 (insn-output.o): Same.
7076 (insn-peep.o): Same.
7077 (insn-preds.o): Same.
7078 (insn-recog.o): Same.
7079 (tm-constsr.h): New target.
7080 (s-constrs-h): New target.
7082 * config/rs6000/constraints.md: New file.
7083 * config/rs6000/rs6000.c: Include tm-constrs.h.
7084 (num_insn_constant_wide): Convert to satisfies_constraint.
7085 (rs6000_rtx_costs): Convert to satisfies_constraint.
7086 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7087 (CONST_OK_FOR_LETTER_P): Delete.
7088 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7089 (EXTRA_CONSTRAINT): Delete.
7090 (EXTRA_MEMORY_CONSTRAINT): Delete.
7091 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7092 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7093 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7094 satisfies_constraint.
7096 * config/i386/i386.c: Include tm-constrs.h.
7098 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7100 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7101 * tree-data-ref.c (find_data_references_in_loop,
7102 compute_data_dependences_for_loop): Use pointers to VEC.
7103 (analyze_all_data_dependences): Adjust calls.
7104 * tree-data-ref.h (find_data_references_in_loop,
7105 compute_data_dependences_for_loop): Adjust declarations.
7106 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7107 compute_data_dependences_for_loop.
7109 2006-03-29 Paul Brook <paul@codesourcery.com>
7111 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7114 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7116 PR tree-optimization/26859
7117 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7119 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7120 for the step after fold_convert.
7122 2006-03-29 Paul Brook <paul@codesourcery.com>
7124 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7125 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7127 2006-03-29 Paul Brook <paul@codesourcery.com>
7130 * targhooks.c (default_narrow_bitfield): New fuction.
7131 * targhooks.h (default_narrow_bitfield): add prototype.
7132 * target.h (gcc_target): Add narrow_volatile_bitfield.
7133 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7134 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7135 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7136 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7138 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7140 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7142 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7143 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7144 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7145 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7146 (s390_function_arg_float): Allow SDmode and DDmode values to be
7147 passed in floating point registers.
7148 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7149 check with SCALAR_FLOAT_MODE_P.
7150 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7152 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7154 PR tree-optimization/25985
7155 * tree-ssa-loop-niter.c (number_of_iterations_le,
7156 number_of_iterations_ne): Make comments more precise.
7157 (number_of_iterations_cond): Add only_exit argument. Use the
7158 fact that signed variables do not overflow only when only_exit
7160 (loop_only_exit_p): New.
7161 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7162 number_of_iterations_cond.
7164 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7166 PR tree-optimization/26643
7167 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7170 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7172 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7173 (divsi3_i4_int): Likewise.
7175 2006-03-28 Roger Sayle <roger@eyesopen.com>
7177 * expr.c (emit_group_store): Only create a new pseudo reg if the
7178 quantity it needs to hold isn't already a suitable pseudo.
7180 2006-03-28 Jeff Law <law@redhat.com>
7182 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7183 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7185 2006-03-28 Roger Sayle <roger@eyesopen.com>
7187 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7188 the equivalent ~X & Y, and the symmetry related transformations.
7189 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7190 ~X & Y, and symmetry related transforms.
7192 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7194 Revert my 2006-03-27 patches.
7196 2006-03-28 Roger Sayle <roger@eyesopen.com>
7198 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7199 ~(T1)X, when T1 and T2 are integer types of the same precision
7200 and (T2)X isn't an extension.
7202 2006-03-28 Jeff Law <law@redhat.com>
7204 PR tree-optimization/26796
7205 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7206 need EH edge cleanups rather than purging them immediately.
7207 (eliminate_degenerate_phis): Handle queued EH cleanups.
7209 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7211 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7214 2006-03-27 Roger Sayle <roger@eyesopen.com>
7217 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7218 cast BIT_NOT_EXPR operand to the correct type.
7220 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7222 * tree-loop-linear.c: Don't include varray.h.
7223 (gather_interchange_stats, try_interchange_loops,
7224 linear_transform_loops): Use VEC instead of VARRAY.
7225 * lambda-mat.c: Don't include varray.h.
7226 * tree-chrec.c: Same.
7227 * lambda-trans.c: Same.
7228 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7229 VEC instead of VARRAY.
7230 * tree-vectorizer.h: Idem.
7231 * tree-data-ref.c (dump_data_references,
7232 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7233 initialize_data_dependence_relation, finalize_ddr_dependent,
7234 compute_all_dependences, find_data_references_in_loop,
7235 compute_data_dependences_for_loop, analyze_all_data_dependences,
7236 free_dependence_relation, free_dependence_relations,
7237 free_data_refs): Idem.
7238 * tree-data-ref.h (data_reference_p, subscript_p): New.
7239 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7240 VEC instead of VARRAY.
7241 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7242 (find_data_references_in_loop, compute_data_dependences_for_loop,
7243 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7244 dump_data_dependence_relations, free_dependence_relations,
7245 free_data_refs): Adjust declaration.
7246 (lambda_transform_legal_p): Move declaration here...
7247 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7248 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7249 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7250 vect_analyze_data_refs): Use VEC instead of VARRAY.
7251 * lambda.h (lambda_transform_legal_p): ...from here.
7252 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7253 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7254 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7255 tree-chrec.o): Don't depend on VARRAY_H.
7257 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7259 * rtl.def (Copyright): Update date.
7260 (DEPS_LIST): Change type of the second operand to 'int'.
7261 * target.h (Copyright): Update date.
7262 (struct gcc_target.speculate_insn): Change type of the second parameter
7264 * lists.c (Copyright): Update date.
7265 (alloc_DEPS_LIST): Change signature. Update reference to the second
7266 operand of the DEPS_LIST.
7267 (copy_DEPS_LIST_list): Update reference to the second operand of the
7269 * rtl.h (Copyright): Update date.
7270 (alloc_DEPS_LIST): Update signature.
7271 * sched-int.h (Copyright): Update date.
7272 (ds_t): Change typedef to 'int'.
7273 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7275 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7277 * haifa-sched.c (Copyright): Update date.
7278 (try_ready): Change condition to restore non-speculative pattern
7280 (process_insn_depend_be_in_spec): Code to keep probability of the
7281 speculative dependence non-decreasing.
7283 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7285 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7286 shut up the compiler.
7288 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7290 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7291 to use lib prefix for target.
7292 ($(T)libic_invalidate_array_4-200.a): Likewise.
7293 ($(T)libic_invalidate_array_4a.a): Likewise.
7295 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7296 J"orn Rennecke <joern.rennecke@st.com>
7298 * superh.opt: New file.
7299 * sh.c (boardtype, osruntime): Remove.
7300 * superh.h (SUBTARGET_OPTIONS): Remove.
7301 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7303 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7304 arguments with ^ and/or [].
7306 * config.gcc (sh-*-*): Add quoting to account for quirk of
7308 Replace == with = in enable_incomplete_targets test.
7310 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7311 with MASK_LITTLE_ENDIAN.
7313 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7314 * config/sh/sh.opt: Added to some comments.
7315 * config/sh/superh.h: Removed some chaff.
7317 * config/sh/sh.opt: Add m4-[1234]00* options.
7318 * config/sh/sh.c (sh_handle_option): Likewise.
7319 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7320 (ic_invalidate_array_4-100.o): New rule.
7321 ($(T)libic_invalidate_array_4-100.a): Likewise.
7322 (ic_invalidate_array_4-200.o): Likewise.
7323 ($(T)libic_invalidate_array_4-200.a): Likewise.
7324 (ic_invalidate_array_4a.o): Likewise.
7325 ($(T)libic_invalidate_array_4a.a): Likewise.
7326 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7327 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7329 * config/sh/crt1.asm: Merged in profiling code.
7330 * config/sh/superh.h (STARTFILE_SPEC): Override.
7331 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7332 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7333 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7335 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7336 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7337 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7339 * sh.opt (mpretend-cmove): New option.
7340 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7341 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7342 (movsicc): Add TARGET_PRETEND_CMOVE code.
7344 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7346 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7347 s390_class_max_nregs): New function prototypes.
7348 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7349 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7350 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7351 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7353 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7355 * dwarf2out.c (add_location_or_const_value_attribute): Call
7356 tree_add_const_value_attribute if nothing else works.
7357 (reference_to_unused): New.
7358 (rtl_for_decl_init): Use reference_to_unused to decide whether
7359 to output an initializer.
7361 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7364 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7365 peephole removing spe frob_di_df_2.
7367 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7369 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7370 (subscript_dependence_tester_1): Declared.
7371 (print_dir_vectors, print_dist_vectors): New.
7372 (debug_data_dependence_relation): New.
7373 (dump_data_dependence_relation): Print more details.
7374 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7375 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7376 (save_dist_v, save_dir_v, add_outer_distances,
7377 build_classic_dist_vector_1): New.
7378 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7379 Don't test for lambda_vector_lexico_pos.
7380 (same_access_functions, add_multivariate_self_dist,
7381 add_other_self_distances, dir_from_dist): New.
7382 (build_classic_dir_vector): Replace implementation almost identical to
7383 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7385 (subscript_dependence_tester_1): New.
7386 (subscript_dependence_tester): Handle the lexicographically negative
7387 distance vectors by recomputing the dependence relation.
7388 (compute_affine_dependence): Remove parameter loop_nest_depth.
7389 (compute_self_dependence): Don't call compute_subscript_distance.
7390 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7391 Add a parameter for the loop_nest.
7392 (find_loop_nest_1, find_loop_nest): New.
7393 (compute_data_dependences_for_loop): Compute the loop nest, and give
7394 up if the nest is not well formed.
7395 * tree-data-ref.h (loop_p): New.
7396 (struct data_dependence_relation): Replace size_vect field with
7397 loop_nest, a vec of loops.
7398 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7399 (DDR_LOOP_NEST): New.
7400 (print_dir_vectors, print_dist_vectors,
7401 debug_data_dependence_relation): Declared.
7402 (index_in_loop_nest): New.
7403 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7404 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7407 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7409 * simplify-rtx.c (simplify_relational_operation): Call
7410 simplify_relational_operation_1 even if mode is VOIDmode.
7412 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7414 PR tree-optimization/26804
7415 * tree.h (DECL_CALL_CLOBBERED): New macro.
7416 (tree_decl_common): Add call_clobbered_flag.
7417 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7418 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7419 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7420 (mark_non_addressable): Ditto.
7421 * tree-ssa.c (verify_call_clobbered): New function.
7422 (verify_alias_info): Use it.
7423 * tree-pass.h (pass_reset_cc_flags): New prototype.
7424 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7425 (reset_cc_flags): New function.
7426 * passes.c (init_optimization_passes): Call reset_cc_flags after
7427 initializing referenced_vars.
7429 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7430 Roger Sayle <roger@eyesopen.com>
7433 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7434 to 1.0 for non-real operands. Implement A / A optimization for
7437 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7439 * config/i386/i386.c (size_cost): Correct the comment for
7440 cost of storing fp registers.
7441 (i386_cost): Likewise.
7442 (i486_cost): Likewise.
7443 (pentium_cost): Likewise.
7444 (pentiumpro_cost): Likewise.
7445 (k6_cost): Likewise.
7446 (athlon_cost): Likewise.
7447 (k8_cost): Likewise.
7448 (pentium4_cost): Likewise.
7449 (nocona_cost): Likewise.
7450 (generic64_cost): Likewise.
7451 (generic32_cost): Likewise.
7453 2006-03-24 Denis Chertykov <denisc@overta.ru>
7455 * config/avr/avr-protos.h (extra_constraint): Delete.
7456 (extra_constraint_Q): New declaration.
7457 * config/avr/constraints.md: New file.
7458 * config/avr/avr.md: Include it.
7459 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7460 (TMP_REGNO, ZERO_REGNO): Likewise.
7461 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7462 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7463 (extra_constraint): Delete.
7464 (extra_constraint_Q): Test for memory constraint 'Q'.
7465 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7466 (REG_CLASS_FROM_LETTER): Delete.
7467 (CONST_OK_FOR_LETTER_P): Delete.
7468 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7469 (EXTRA_CONSTRAINT): Delete.
7470 (TMP_REGNO): Delete.
7471 (ZERO_REGNO): Delete.
7473 2006-03-24 Jeff Law <law@redhat.com>
7475 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7476 directly. Call mark_new_vars_to_rename slightly earlier.
7478 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7480 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7482 (gen_compile_unit_die): Use new language types for Objective-C and
7484 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7485 DW_LANG_C_plus_plus.
7488 * config/t-darwin (crt3.o): Work around bug 26840.
7489 * config/darwin-crt3.c: Rewrite.
7490 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7492 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7494 * doc/invoke.texi: Document -femit-class-debug-always
7495 * common.opt: Add -femit-class-debug-always.
7497 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7499 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7500 index and base register.
7501 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7502 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7503 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7504 REGNO_OK_FOR_INDEX_P.
7505 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7507 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7508 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7509 REG_OK_FOR_BASE_P): Definitions removed.
7511 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7514 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7515 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7516 set yet or weren't marked as local yet.
7518 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7520 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7523 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7525 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7526 (rs6000_legitimate_small_data_p): Delete.
7527 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7528 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7529 and make static. Add forward declaration. Update uses.
7530 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7531 of offsettable_memref_p.
7532 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7533 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7535 2006-03-24 Jeff Law <law@redhat.com>
7537 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7538 around bug in immediate-use iterator.
7540 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7543 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7544 or __LITTLE_ENDIAN__.
7546 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7548 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7549 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7550 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7551 * config/sh/sh.opt (mdiv=): Amend description.
7552 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7553 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7554 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7555 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7556 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7557 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7558 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7559 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7560 TARGET_DIVIDE_CALL_FP.
7562 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7564 * haifa-sched.c (choose_ready): Fix type of the local variable.
7565 Move local variables. Add comment.
7566 (check_reg_live): Change signature. Make callable from debugger.
7567 * sched-int.h (check_reg_live): Update signature.
7568 * sched-ebb.c (check_reg_live): Update parameters.
7569 * sched-rgn.c (check_reg_live): Ditto.
7570 (region_head_or_leaf_p): Check pointer before dereferencing.
7571 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7572 before reload on optimization levels below 1.
7574 2006-03-23 Richard Henderson <rth@redhat.com>
7576 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7580 * config/alpha/predicates.md (local_symbolic_operand): Reject
7583 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7586 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7587 expressions which have overflowed constants.
7589 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7591 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7593 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7595 * cfgloopmanip.c (create_loop_notes): Removed.
7596 * final.c (final_scan_insn): Do not handle loop notes.
7597 * jump.c (squeeze_notes): Ditto.
7598 * cfglayout.c (skip_insns_after_block,
7599 duplicate_insn_chain): Ditto.
7600 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7602 * cfgloop.h (create_loop_notes): Declaration removed.
7604 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7606 * varasm.c (output_constant_pool): Restore fnname and fndecl
7608 (assemble_start_function): Adjust call accordingly.
7609 (assemble_end_function): Likewise.
7611 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7614 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7617 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7619 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7622 * system.h (ICE_EXIT_CODE): New macro.
7623 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7624 (diagnostic_action_after_output): Likewise.
7625 * gcc.c (fatal_ice): New function.
7626 (execute): Use it instead of fatal.
7627 (fancy_abort): Likewise.
7628 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7630 2006-03-22 Jeff Law <law@redhat.com>
7632 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7633 iv_analyze_result returning false.
7635 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7637 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7639 2006-03-22 Richard Henderson <rth@redhat.com>
7642 * except.c (duplicate_eh_regions_0): New.
7643 (duplicate_eh_region_1): Duplicate the children of the node as
7644 well as the node itself. Link them up properly.
7645 (duplicate_eh_region_2): Merge into ...
7646 (duplicate_eh_regions): ... here. Take copy_region argument, and
7647 copy only a sub-tree if asked. Simplify copying and fixup.
7648 (eh_region_outer_p): New.
7649 * except.h (duplicate_eh_regions): Update decl.
7650 (eh_region_outer_p): Declare.
7651 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7652 (lower_omp_master): Likewise.
7653 (lower_omp_ordered): Likewise.
7654 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7655 (move_stmt_r): Use it to remap labels. Handle recursion vs
7656 remap_decls_p properly.
7657 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7658 (find_outermost_region_in_block): New.
7659 (new_label_mapper): New.
7660 (move_sese_region_to_fn): Copy eh information to the new function
7662 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7664 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7667 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7669 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7670 into shared libraries.
7672 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7674 * doc/md.texi: Refer to i386/constraints.md instead of
7676 * config/i386/constraints.md: New file, extracted from...
7677 * config/i386/predicates.md: ...here.
7678 * config/i386/i386.md: Include constraints.md.
7680 2006-03-21 Jason Merrill <jason@redhat.com>
7682 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7685 * expr.c (init_block_move_fn): Force default visibility.
7686 (init_block_clear_fn): Likewise.
7687 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7688 * targhooks.c (default_external_stack_protect_fail): Likewise.
7690 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7692 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7693 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7694 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7695 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7696 (loadgp): Use mips_current_loadgp_style.
7697 (loadgp_noshared): New pattern.
7698 (sibcall_internal): Use MIPS_CALL.
7699 (sibcall_value_internal): Likewise.
7700 (sibcall_value_multiple_internal): Likewise.
7701 (call_internal): Likewise.
7702 (call_value_internal): Likewise.
7703 (call_value_multiple_internal): Likewise.
7704 (call_split): Use MIPS_CALL and add an 'S' constraint.
7705 (call_value_split): Likewise.
7706 (call_value_multiple_split): Likewise.
7707 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7708 (-mshared): New option.
7709 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7710 (mips_current_loadgp_style): Declare.
7711 * config/mips/mips.c (mips_classify_symbol): Avoid using
7712 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7713 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7714 TARGET_ABSOLUTE_ABICALLS.
7715 (override_options): Adjust comments. Improve the warning that is
7716 issued when -mabicalls and -G are used together.
7717 (mips_file_start): Remove comment.
7718 (mips_current_loadgp_style): New function.
7719 (mips_gnu_local_gp): New variable.
7720 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7722 (mips_output_function_prologue): Use mips_current_laodgp_style.
7723 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7724 the cprestore instruction.
7725 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7726 live for TARGET_ABSOLUTE_ABICALLS.
7727 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7728 (ASM_SPEC): Pass down -mshared and -mno-shared.
7729 (MIPS_CALL): New macro.
7730 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7732 * doc/invoke.texi (-mabicalls): Update documentation.
7733 (-mshared): Document.
7735 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7737 * config/ia64/unwind-hpux.c: New file.
7738 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7740 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7743 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7745 2006-03-21 Jeff Law <law@redhat.com>
7747 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7748 type conversions of a VR_VARYING source to a wider type.
7750 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7752 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7753 tm_file on Solaris 10 and later.
7754 (sparc64-*-solaris2*): Likewise.
7755 (sparc-*-solaris2*): Likewise.
7756 * config/sol26.h: Rename to config/sol2-6.h.
7757 * config/sol2-10.h: New file.
7759 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7762 * tree-ssa-pre.c (create_component_ref_by_pieces):
7765 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7768 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7769 return it immediately.
7771 2006-03-21 Michael Matz <matz@suse.de>
7773 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7775 (remove_arc, add_arc): Update num_out_arcs member.
7776 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7778 (cache_presence): New function.
7779 (compare_states_for_equiv): New function.
7780 (state_is_differed): Don't take number of outargs, adjust callers.
7781 Use new invariant for speeding up.
7782 (init_equiv_class): Create initial classes based on sorted
7784 (partition_equiv_class): Don't track out_arcs_num.
7785 (evaluate_equiv_classes): Call cache_presence on all states and
7788 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7790 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7791 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7792 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7793 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7795 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7796 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7797 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7798 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7799 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7801 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7802 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7803 (REGNO_REG_CLASS): ARGP is in PREGS.
7804 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7806 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7807 to deal with those addresses.
7808 * addresses.h: New file.
7809 * caller-save.c: Include "addresses.h".
7810 (init_caller_save): Use new base_reg_class function.
7811 * rtl-factoring.c: Include "addresses.h".
7812 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7813 * recog.c: Include "addresses.h".
7814 (preprocess_constraints): Use new base_reg_class function.
7815 * regrename.c: Include "addresses.h".
7816 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7817 functions. Keep track of a new var INDEX_CODE to compute valid
7819 (replace_oldest_value_addr): Likewise.
7820 (replace_oldest_value_mem): Use base_reg_class.
7821 * reload.c: Include "addresses.h".
7822 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7823 (find_reloads): Use new base_reg_class function.
7824 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7825 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7826 all callers and prototype changed.
7827 * reload1.c: Include "addresses.h".
7828 (maybe_fix_stack_asms): Use base_reg_class.
7829 * regclass.c: Include "addresses.h".
7830 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7831 (init_reg_autoinc): Use new base_reg_class function.
7832 (record_reg_classes): Likewise.
7833 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7834 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7835 Use new args to compute necessary class.
7837 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7838 regrename.o, rtl-factoring.o): Update dependencies.
7839 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7840 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7841 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7842 REG_OK_FOR_INDEX_P): Delete documentation.
7844 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7846 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7847 from V7 to V9 for Solaris 7 and above.
7849 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7851 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7852 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7853 argument pointers may not alias any other storage.
7854 * common.opt: Define option -fargument-noalias-anything.
7855 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7856 alias semantics is specified by flag_argument_noalias > 2.
7858 2006-03-20 Jeff Law <law@redhat.com>
7860 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7861 (pass_phi_only_cprop): Declare.
7862 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7864 * tree-ssa-dom.c (degenerate_phi_result): New function.
7865 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7866 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7867 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7868 (eliminate_degenerate_phis): Likewise.
7869 (pass_phi_only_cprop): New pass descriptor.
7870 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7871 support code. Callers updated.
7872 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7873 (store_copy_prop): Likewise.
7874 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7876 2006-03-20 Jason Merrill <jason@redhat.com>
7879 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7880 (push_visibility, pop_visibility): Likewise.
7881 * c-pragma.h: Declare them.
7883 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7885 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7887 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7888 parameter and use get_ebb_head_tail.
7889 (sh_md_init_global): Adjust uses of find_regmode_weight.
7891 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7893 * function.h (struct function) <x_tail_recursion_reentry>:
7894 Rename to x_stack_check_probe_note.
7895 (tail_recursion_reentry): Rename to stack_check_probe_note.
7896 * function.c: Replace tail_recursion_reentry with
7897 stack_check_probe_note everywhere.
7898 (expand_function_start): Only emit a note for
7899 stack_check_probe_note with -fstack-protect.
7900 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7902 * emit-rtl.c (remove_unnecessary_notes): Remove.
7903 (pass_remove_unnecessary_notes): Remove.
7904 * rtl.h (remove_unnecessary_notes): Remove prototype.
7905 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7906 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7907 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7909 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7912 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7913 (valid_in_set): Handle ARRAY_REF.
7914 Change "if min_variant or VH" to asserts.
7915 (create_component_ref_by_pieces): Handle ARRAY_REF.
7916 (create_expression_by_pieces): Likewise.
7917 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7919 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7921 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7922 is operand of switch, not str[0].
7924 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7926 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7927 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7929 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7931 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7932 end of insn_extra_address_constraint declaration.
7934 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7936 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7937 (no-sum-in-toc): Same.
7938 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7940 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7941 NO_FP_IN_TOC for -fPIC instead of mask.
7943 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7944 (BOOT_LDFLAGS): Delete.
7946 * config/rs6000/t-aix52: Same.
7948 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7949 (stmsi[345678]_power): New.
7951 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7953 * config/ia64/ia64.opt: Add empty line to end of file.
7955 2006-03-17 Richard Guenther <rguenther@suse.de>
7958 * builtins.c (get_pointer_alignment): For component style references
7959 adjust alignment to the component type alignment. Make sure
7960 to adjust alignment for component access of constants.
7962 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7964 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7967 2006-03-17 Paul Brook <paul@codesourcery.com>
7969 * doc/install.texi: Docuemnt --with-mode.
7970 * config.gcc: Add --with-mode for arm*-*-*.
7971 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7973 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7975 * sh.c (max_labelno_before_reorg): New variable.
7976 (sh_reorg): Initialize it.
7977 (find_barrier): Check max_labelno_before_reorg before using
7978 label_to_alignment. Take length of explicit alignment insns
7979 into account. When seeing a UNSPECV_CONST_END, return it.
7981 * sh.c (fixup_mova): Set mode of affected label to QImode.
7982 (untangle_mova): New function.
7983 (find_barrier): Use it. Check mode of label before decrementing
7985 (sh_reorg): Likewise.
7986 Set mode of all insns back to VOIDmode.
7988 * sh.c (MOVA_LABELREF): New macro.
7989 (mova_p, fixup_mova, sh_reorg): Use it.
7990 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7991 ADDR_DIFF_VEC matches mova.
7993 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7995 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7996 with ATTRIBUTE_UNUSED.
7998 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
8000 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
8001 pointer, instead of assuming it is possible to derive the
8002 correct args size from a call insn.
8004 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8006 * rtl.h (CONST_INT_P): Define.
8007 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
8008 instead of GET_CODE(x) == CONST_INT.
8009 (vax_rtx_costs): Likewise.
8010 (vax_output_int_move): Likewise.
8011 (vax_output_int_add): Likewise.
8012 (legitimate_constant_address_p): Likewise.
8013 (index_term_p): Likewise.
8014 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8015 * config/vax/vax.md (and<mode>3): Likewise.
8016 (ashrsi3): Likewise.
8018 (movstricthi): Likewise.
8019 (movstrictqi): Likewise.
8020 (rotrsi3): Likewise.
8021 (five unnamed insns): Likewise.
8023 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8025 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8026 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8027 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8028 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8029 Pass to ASM_OUTPUT_DWARF_OFFSET.
8030 * dwarf2out.c (debug_frame_section): New.
8031 (output_call_frame_info): Use debug_frame_section. Pass it to
8032 dw2_asm_output_offset.
8033 (output_die): Pass appropriate section to dw2_asm_output_offset.
8034 (output_compilation_unit_header): Likewise.
8035 (output_pubnames): Likewise.
8036 (output_aranges): Likewise.
8037 (enum dw_val_class): Break dw_val_class_lbl_offset into
8038 dw_val_class_lineptr and dw_val_class_macptr.
8039 (add_AT_lbl_offset): Delete.
8040 (add_AT_lineptr): New.
8041 (add_AT_macptr): New.
8042 (AT_lbl): Expect a lineptr or macptr.
8043 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8044 (attr_checksum): Likewise.
8045 (same_dw_val_p): Likewise.
8046 (size_of_die): Likewise.
8047 (value_format): Likewise.
8048 (output_die): Likewise.
8049 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8051 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8052 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8053 * config/darwin-protos.h (darwin_file_start): New.
8054 (darwin_asm_output_dwarf_offset): New.
8055 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8056 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8058 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8059 if not EH section; simplify.
8060 (darwin_file_start): New.
8061 (darwin_asm_output_dwarf_offset): New.
8062 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8064 (DEBUG_INFO_SECTION): Likewise.
8065 (DEBUG_ABBREV_SECTION): Likewise.
8066 (DEBUG_ARANGES_SECTION): Likewise.
8067 (DEBUG_MACINFO_SECTION): Likewise.
8068 (DEBUG_LINE_SECTION): Likewise.
8069 (DEBUG_LOC_SECTION): Likewise.
8070 (DEBUG_PUBNAMES_SECTION): Likewise.
8071 (DEBUG_STR_SECTION): Likewise.
8072 (DEBUG_RANGES_SECTION): Likewise.
8073 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8074 (ASM_OUTPUT_DWARF_OFFSET): New.
8076 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8078 * config.gcc (tm_defines): Always add to previous value rather
8081 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8083 * config/mips/predicates.md (splittable_const_int_operand): New,
8084 split from move_operand.
8085 (splittable_symbolic_operand): New.
8086 (move_operand): Add commentary. Use splittable_const_int_operand.
8087 Inline mips_atomic_symbolic_constant_p.
8088 * config/mips/mips.md: Add combine splitters for handling moves
8089 of splittable_const_int_operands and splittable_symbolic_operands.
8090 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8091 (mips_split_symbol): Declare.
8092 (mips_move_integer): Declare.
8093 * config/mips/mips.c (mips_split_p): Make global.
8094 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8095 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8096 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8097 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8098 (mips_offset_within_object_p): Handle block symbols.
8099 (mips_atomic_symbolic_constant_p): Delete.
8100 (mips_cannot_force_const_mem): Return false for constants that
8101 mips_legitimize_move can handle.
8102 (mips_use_blocks_for_constant_p): New function.
8103 (mips_split_symbol): Make global.
8104 (mips_move_integer): Likewise. Add a temporary register argument.
8105 (mips_legitimize_const_move): Use splittable_const_int_operand and
8106 splittable_symbolic_operand.
8107 (mips_use_anchors_for_symbol_p): New function.
8108 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8109 (mips_split_p): Declare.
8111 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8113 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8114 (mips*-*-linux*): Likewise.
8116 2006-03-16 Roger Sayle <roger@eyesopen.com>
8117 Daniel Speyer <dspeyer@wam.umd.edu>
8120 * tree-dump.c (dump_real): New function.
8121 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8122 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8123 (tree-dump.o): Add $(REAL_H) to the dependencies.
8125 2006-03-16 Roger Sayle <roger@eyesopen.com>
8128 * real.c (real_from_string): If the mantissa is zero, don't bother
8129 parsing the exponent as the result should always be zero.
8131 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8133 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8135 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8137 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8138 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8139 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8140 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8141 ia64_sched_finish_global): New static functions to implement
8142 hooks from gcc_target.sched.
8143 (spec_check_no, max_uid, pending_data_specs): New static variables.
8144 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8145 ia64_spec_check_src_p): New static functions.
8146 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8147 (TARGET_SCHED_ADJUST_COST): Removed.
8148 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8149 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8150 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8151 TARGET_SCHED_GEN_CHECK,
8152 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8153 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8154 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8155 Fixed to handle speculation checks.
8156 (rtx_needs_barrier): Fixed to handle speculative loads and
8158 (ia64_variable_issue): Added code to count speculative loads and their
8160 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8162 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8164 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8166 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8167 (ia64_reorg): Reset stops_p to NULL after it is freed.
8168 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8169 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8170 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8172 (data_speculative, control_speculative, check_load): New attributes.
8173 (mov<mode>_advanced, mov<mode>_speculative,
8174 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8175 zero_extend<mode>di2_speculative,
8176 zero_extend<mode>di2_speculative_advanced): New patterns for
8177 data and control speculative loads.
8178 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8180 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8181 New pattern for data and control speculation checks.
8182 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8183 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8184 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8185 Auxiliary definitions for the patterns.
8186 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8187 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8189 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8191 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8192 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8193 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8194 New resource constraints.
8195 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8197 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8198 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8199 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8200 msched-in-control-spec, msched-ldc, msched-control-ldc,
8201 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8202 msched-prefer-non-control-spec-insns,
8203 msched-count-spec-in-critical-path): New flags to tune speculative
8205 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8206 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8207 msched-in-control-spec, msched-ldc, msched-control-ldc,
8208 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8209 msched-prefer-non-control-spec-insns,
8210 msched-count-spec-in-critical-path): Document new flags.
8212 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8214 * target.h (struct spec_info_def): New opaque declaration.
8215 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8216 speculate_insn, needs_block_p, gen_check,
8217 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8218 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8219 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8220 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8221 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8222 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8224 (TARGET_SCHED): Use new macros.
8225 * rtl.h (copy_DEPS_LIST_list): New prototype.
8226 * sched-int.h (struct sched_info): Change signature of new_ready field,
8227 adjust all initializations. New fields: add_remove_insn,
8228 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8229 region_head_or_leaf_p.
8230 (struct spec_info_def): New structure declaration.
8231 (spec_info_t): New typedef.
8232 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8233 recovery_block, orig_pat.
8234 (glat_start, glat_end): New variables declaraions.
8235 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8237 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8238 DETACH_LIFE_INFO, USE_GLAT.
8239 (enum SPEC_SCHED_FLAGS): New enumeration.
8240 (NOTE_NOTE_BB_P): New macro.
8241 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8242 attach_life_info, debug_spec_status, check_reg_live): New functions.
8243 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8244 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8246 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8247 * ddg.c (get_block_head_tail): Adjust all uses.
8248 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8249 (sms_sched_info): Initialize new fields.
8250 (contributes_to_priority): Removed.
8251 * haifa-sched.c (params.h): New include.
8252 (get_block_head_tail): Adjust all uses.
8253 (ISSUE_POINTS): New macro.
8254 (glat_start, glat_end): New global variables.
8255 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8256 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8257 old_last_basic_block, before_recovery, current_sched_info_var,
8258 rgn_n_insns, luid): New static variables.
8259 (insn_cost1): New function. Move logic from insn_cost to here.
8260 (find_insn_reg_weight1): New function. Move logic from
8261 find_insn_reg_weight to here.
8262 (reemit_notes, move_insn, max_issue): Change signature.
8263 (move_insn1): Removed.
8264 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8265 extend_bb): New static functions to support extension of scheduler's
8267 (generate_recovery_code, process_insn_depend_be_in_spec,
8268 begin_speculative_block, add_to_speculative_block,
8269 init_before_recovery, create_recovery_block, create_check_block_twin,
8270 fix_recovery_deps): New static functions to support
8271 generation of recovery code.
8272 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8273 restore_bb_notes, move_block_after_check, move_succs): New static
8274 functions to support ebb scheduling.
8275 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8276 functions to support handling of register live information.
8277 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8278 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8279 add_jump_dependencies): New static functions.
8280 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8281 consistancy checking.
8282 (debug_spec_status): New function to call from debugger.
8283 (priority): Added code to handle speculation checks.
8284 (rank_for_schedule): Added code to distinguish speculative instructions.
8285 (schedule_insn): Added code to handle speculation checks.
8286 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8287 Fixed to handle ebbs.
8288 (move_insn): Added code to handle ebb scheduling.
8289 (max_issue): Added code to use ISSUE_POINTS of instructions.
8290 (choose_ready): Added code to choose between speculative and
8291 non-speculative instructions.
8292 (schedule_block): Added code to handle ebb scheduling and scheduling of
8293 speculative instructions.
8294 (sched_init): Initialize new variables.
8295 (sched_finish): Free new variables. Print statistics.
8296 (try_ready): Added code to handle speculative instructions.
8297 * lists.c (copy_DEPS_LIST_list): New function.
8298 * sched-deps.c (extend_dependency_caches): New function. Move logic
8299 from create_dependency_caches to here.
8300 (get_dep_weak, ds_merge): Make global.
8301 * genattr.c (main): Code to output prototype for
8302 dfa_clear_single_insn_cache.
8303 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8304 (output_dfa_clean_insn_cache_func): Code to output
8305 dfa_clear_single_insn_cache function.
8306 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8308 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8310 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8311 New static variables.
8312 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8313 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8315 (ebb_sched_info): Initialize new fields.
8316 (get_block_head_tail): Adjust all uses.
8317 (compute_jump_reg_dependencies): Fixed to use glat_start.
8318 (schedule_ebb): Code to remove unreachable last block.
8319 (schedule_ebbs): Added code to update register live information.
8320 * sched-rgn.c (region_sched_info): Initialize new fields.
8321 (get_block_head_tail): Adjust all uses.
8322 (last_was_jump): Removed. Adjust users.
8323 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8324 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8325 Implement new hooks.
8326 (check_dead_notes1): New static function.
8327 (struct region): New fields: dont_calc_deps, has_real_ebb.
8328 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8329 (BB_TO_BLOCK): Fixed to handle EBBs.
8330 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8331 (ebb_head): New static variable.
8332 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8333 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8335 (compute_dom_prob_ps): New assertion.
8336 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8337 global_live_at_start.
8338 (init_ready_list): New assertions.
8339 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8340 (new_ready): Add support for BEGIN_CONTROL speculation.
8341 (schedule_insns): Fixed code that updates register live information
8343 (schedule_region): Fixed to handle EBBs.
8344 (init_regions): Use extend_regions and check_dead_notes1.
8345 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8346 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8347 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8348 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8349 TARGET_SCHED_GEN_CHECK,
8350 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8351 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8352 * doc/invoke.texi (max-sched-insn-conflict-delay,
8353 sched-spec-prob-cutoff): Document.
8355 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8357 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8358 inter_tick, queue_index.
8359 (struct sched_info): Change signature of init_ready_list field.
8360 Adjust all initializations.
8361 (RESOLVED_DEPS): New access macro.
8362 (ready_add): Remove prototype.
8363 (try_ready): Add prototype.
8364 * sched-rgn.c (init_ready_list): Use try_ready.
8365 (schedule_region): Initialize
8366 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8367 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8368 (init_ready_list): Use try_ready.
8369 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8370 * lists.c (remove_list_elem): Remove `static'.
8371 (remove_free_INSN_LIST_elem): New function.
8372 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8373 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8374 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8376 (readyp): New variable.
8377 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8378 change_queue_index, resolve_dep): New static functions.
8379 (try_ready): New function. Adjust callers in sched-rgn.c and
8380 sched-ebb.c to use it instead of ready_add.
8381 (clock_var): Move at the begining of file.
8382 (rank_for_schedule): Fix typo.
8383 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8384 (ready_lastpos): Enforce assertion.
8385 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8387 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8388 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8389 (queue_to_ready): Use free_INSN_LIST_list.
8390 (early_queue_to_ready): Fix typo.
8391 (schedule_block): Init readyp. Move init_ready_list call after the
8392 initialization of clock_var. Fix error in rejecting insn by
8393 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8394 that previously corrected INSN_TICKs. Add code for handling
8396 (set_priorities): Fix typo.
8397 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8398 Clarify comment and code that keeps current_sched_info->next_tail
8401 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8403 * sched-rgn.c (extend_rgns): New static function.
8404 (find_rgns): Use it.
8405 (gather_region_statistics, print_region_statistics): New static
8407 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8408 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8410 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8411 Andrey Belevantsev <abel@ispras.ru>
8413 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8414 * lists.c (unused_deps_list): New variable.
8415 (free_list): Add assertions to verify the proper distinguishing
8416 between INSN_LISTs and DEPS_LISTs.
8417 (find_list_elem, remove_list_elem, remove_list_node): New static
8419 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8420 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8421 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8422 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8424 (free_INSN_LIST_node): Likewise.
8425 * modulo-sched.c (current_sched_info): Initialize flags field.
8426 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8427 * rtl.def (DEPS_LIST): Define.
8428 * rtl.h: Declare new functions from lists.c.
8429 * sched-deps.c (spec_dependency_cache): New static variable.
8430 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8431 (add_dependence): Change return type to void. Move the logic to ...
8432 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8433 (delete_all_dependences): Add comment about forward_dependency_cache.
8434 Handle spec_dependency_cache. Handle DEPS_LISTs.
8435 (fixup_sched_groups): Clarify the change of priority of output
8436 and anti dependencies.
8437 (sched_analyze_2): Adjust add_dependence calls to create data
8438 speculative dependence.
8439 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8440 Adjust all callers. Handle DEPS_LISTS.
8441 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8442 presence of speculation.
8443 (init_dependency_caches, free_dependency_caches):
8444 Handle spec_dependency_cache.
8445 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8446 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8447 New static functions.
8448 (add_or_update_back_dep, add_or_update_back_forw_dep,
8449 add_back_forw_dep, delete_back_forw_dep): New functions.
8450 * sched-int.h (ds_t, dw_t): New typedefs.
8451 (struct sched_info): Add new field flags.
8452 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8453 Prototype new sched-deps.c functions.
8454 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8455 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8456 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8457 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8458 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8459 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8461 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8463 * sched-rgn.c (current_sched_info): Initialize flags field.
8464 (schedule_insns): Initialize current_sched_info before the sched_init
8466 * sched-ebb.c (current_sched_info): Initialize flags field.
8467 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8468 Call add_or_update_back_dep instead of add_dependence.
8469 Create control speculative dependencies.
8470 (schedule_insns): Initialize current_sched_info before the sched_init
8473 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8475 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8477 (sh_fallback_frame_state): Likewise.
8479 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8481 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8482 Do switch on default_use_cxa_atexit.
8483 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8484 * config/darwin-crt3.o: New.
8485 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8486 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8487 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8489 * config/rs6000/t-darwin: Move crt2.o building to here.
8490 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8491 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8494 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8496 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8497 from '! xxx' to '!xxx' for coding-style conformance.
8498 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8499 (EXTRA_CONSTRAINT): Likewise.
8500 * config/vax/vax.md (four unnamed insns): Likewise.
8502 2006-03-15 Paul Brook <paul@codesourcery.com>
8504 * config/arm/arm.c (minipool_pad): New.
8505 (add_minipool_forward_ref): Include pool alignment padding in address
8507 (push_minipool_fix): Set minipool_pad.
8508 (minipool_pad): Ditto.
8510 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8512 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8513 instead of GET_CODE() == MEM and REG_P() instead of
8515 (print_operand_address): Likewise.
8516 (vax_address_cost): Likewise.
8517 (vax_rtx_costs): Likewise.
8518 (vax_notice_update_cc): Likewise.
8519 (vax_output_int_add): Likewise.
8520 (INDEX_REGISTER_P): Likewise.
8521 (BASE_REGISTER_P): Likewise.
8522 (nonindexed_address_p): Likewise.
8523 (vax_mode_dependent_address_p): Likewise.
8524 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8525 (PRINT_OPERAND): Likewise.
8526 * config/vax/vax.md (ashlsi3): Likewise.
8527 (ashlsi3): Likewise.
8528 (some more unnamed insns): Likewise.
8530 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8532 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8533 iterator-style macro.
8534 (mark_control_dependent_edges_necessary): Update the use of
8535 EXECUTE_IF_CONTROL_DEPENDENT.
8537 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8539 * config/sh/predicates.md (cache_address_operand): Special.
8540 (ua_address_operand): Likewise.
8542 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8544 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8546 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8548 2006-03-15 Andreas Schwab <schwab@suse.de>
8550 * gensupport.c (identify_predicable_attribute): Don't free p_false
8551 when it is still in use.
8553 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8555 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8556 the default setting here.
8558 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8560 * tree-pass.h (pass_cfg): Remove.
8561 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8562 * passes.c (pass_cfg): Don't run it.
8564 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8566 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8567 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8569 (stack_regs_mentioned): Update the uses of
8570 stack_regs_mentioned_data. Don't access the array beyond its
8572 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8573 Don't include gt-reg-stack.h.
8575 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8576 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8578 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8581 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8584 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8586 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8588 2006-03-14 Richard Guenther <rguenther@suse.de>
8590 PR tree-optimization/26672
8591 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8594 2006-03-14 Richard Guenther <rguenther@suse.de>
8596 PR tree-optimization/26667
8597 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8598 node for the callees. Always allow inlining if it will shrink
8601 2006-03-14 Richard Guenther <rguenther@suse.de>
8604 * builtins.c (get_pointer_alignment): Prefer alignment
8605 information from decls over that from types.
8607 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8610 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8612 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8614 * config/rs6000/rs6000.opt (mdlmzb): New option.
8615 (msched-prolog, msched-epilog): Use Var not Mask.
8616 * doc/invoke.texi (-mdlmzb): Document.
8617 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8619 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8620 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8622 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8624 PR rtl-optimization/25739
8625 * bt-load.c (augment_live_range): Free tos pointer.
8627 * gensupport.c (identify_predicable_attribute): Free
8629 * gcov.c (create_file_names): Free name pointer.
8631 2006-03-13 Roger Sayle <roger@eyesopen.com>
8634 * stmt.c (emit_case_nodes): Handle the case where the index is a
8635 CONST_INT, where the comparison mode is specified by the index type.
8637 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8639 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8642 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8644 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8645 (*branch_fp_inverted): Likewise.
8647 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8650 * omp-low.c (expand_omp_for_generic): Mark istart0
8651 and iend0 as addressable.
8653 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8655 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8657 2006-03-13 Jeff Law <law@redhat.com>
8659 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8660 virtual operands are interesting.
8661 (vrp_visit_stmt): Corresponding changes.
8663 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8665 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8667 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8668 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8669 * config/bfin/crti.S: Use it instead of __PIC__.
8670 * config/bfin/crtn.S: Likewise.
8672 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8673 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8675 Lose 'G' modifier for call operand.
8676 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8677 recognize 'G' modifier.
8679 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8682 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8683 * stmt.c (expand_case): Likewise.
8685 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8687 PR rtl-optimization/26254
8688 * loop-invariant.c (seq_insns_valid_p): New function.
8689 (move_invariant_reg): Only emit new code if it is valid.
8691 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8693 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8695 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8696 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8697 (commit_one_edge_insertion): Do not look for loop notes.
8699 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8701 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8702 flag_test_coverage out of loop.
8704 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8706 * final.c (shorten_branches): Remove outdated comment, and turn
8707 the if branch that guards it to continue.
8709 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8711 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8712 * cfgloop.h (struct loop): Remove unused fields.
8714 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8716 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8717 (-dL, -fdump-rtl-loop2): Update the dump file names
8719 * doc/invoke.texi: Update dump file names.
8721 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8723 * predict.c (estimate_probability): Remove.
8724 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8725 * basic-block.h (estimate_probability): Remove prototype.
8726 * passes.c (finish_optimization_passes): Dump branch prediction or
8727 profiling heuristics to the .profile tree dump.
8728 (init_optimization_passes): Unqueue pass_branch_prob.
8730 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8732 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8734 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8735 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8737 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8739 * function.h (frame_offset_overflow): Declare.
8740 * function.c (frame_offset_overflow): New function.
8741 (assign_stack_local_1): Call it to detect that the offset overflows.
8742 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8744 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8746 * config/sh/sh.c: Include alloc-pool.h.
8747 (label_ref_list_pool): New alloc pool.
8748 (label_ref_list_t): New type for lists of labels.
8749 (struct pool_node): Make wend a label_ref_list_t.
8750 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8752 (dump_table): Likewise.
8753 (sh_reorg): Set up the alloc pool before using add_constant and
8754 dump_table, and destroy it when finishing.
8756 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8758 * config/mips/mips.c: Remove redundant comment.
8760 2006-03-10 Jason Merrill <jason@redhat.com>
8763 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8764 the target was declared 'register'.
8766 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8768 * genpreds.c (write_insn_constraint_len): Change definition of
8769 insn_constraint_len to return size_t to match the declaration.
8771 2006-03-10 DJ Delorie <dj@redhat.com>
8773 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8775 (m32c_expand_insv): Fix test for an AND mask.
8777 2006-03-10 Richard Guenther <rguenther@suse.de>
8780 * builtins.c (get_pointer_alignment): Handle component
8781 references for field alignment.
8783 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8785 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8786 when building with libgloss.
8787 (sh*elf): Implement --without-fp option.
8788 (sh64-superh-linux*): Don't multilib.
8790 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8792 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8794 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8796 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8797 Set it when one of the replacement functions returned true.
8798 Return TODO_cleanup_cfg if cfgchanged is true.
8799 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8801 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8803 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8804 instead of gen_lowpart.
8806 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8808 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8810 (mips_output_order_conditional_branch): Declare.
8811 * config/mips/mips.h (MIPS_BRANCH): New macro.
8812 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8813 for the comparison. Use gen_condjump.
8814 (mips_output_conditional_branch): Rework interface to take the
8815 asm templates for a direct branch and the inverse of a direct branch.
8816 (mips_output_order_conditional_branch): New function.
8817 (mips_builtin_branch_and_move): New function.
8818 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8819 branch condition. Use gen_single_cc as the condition for
8820 __builtin_mips_upper_* or __builtin_mips_lower_*.
8821 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8822 Use VOIDmode for the branch condition.
8823 * config/mips/predicates.md (order_operator): New predicate.
8824 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8825 (branch_fp): Rename to...
8826 (*branch_fp): ...this. Remove mode from comparison operator.
8827 Use new mips_output_conditional_branch interface.
8828 (branch_fp_inverted): Rename to...
8829 (*branch_fp_inverted): ...this and update as for *branch_fp.
8830 (*branch_zero<mode>): Rename to...
8831 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8832 Use mips_output_order_conditional_branch. Only accept ordered
8834 (*branch_zero<mode>_inverted): Rename to...
8835 (*branch_order<mode>_inverted): ...this and update as for
8836 *branch_order<mode>.
8837 (*branch_equality<mode>): Accept zero as the second operand to
8838 the equality operator. Use the new mips_output_conditional_branch
8840 (*branch_equality<mode>_inverted): Likewise.
8841 (condjump): New expander.
8842 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8844 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8845 (bc1any2t, bc1any2f): Likewise.
8846 (single_cc): New expander.
8847 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8849 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8851 * doc/md.texi: Update documentation of MIPS constraints.
8852 * config/mips/constraints.md: New file.
8853 * config/mips/mips.md: Include it.
8854 * config/mips/mips.c (mips_char_to_class): Delete.
8855 (override_options): Don't initialize mips_char_to_class.
8856 * config/mips/mips.h (mips_char_to_class): Delete.
8857 (REG_CLASS_FROM_LETTER): Delete.
8858 (CONST_OK_FOR_LETTER_P): Delete.
8859 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8860 (EXTRA_CONSTRAINT_Y): Delete.
8861 (EXTRA_CONSTRAINT_STR): Delete.
8862 (CONSTRAINT_LEN): Delete.
8863 (EXTRA_MEMORY_CONSTRAINT): Delete.
8865 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8867 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8868 original fn's eh regions.
8870 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8872 * fold-const.c (build_range_check): Make sure to use a valid type to
8873 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8876 (range_predecessor): New static function.
8877 (range_successor): Likewise.
8878 (merge_ranges): Use them to compute predecessors and successors of
8881 2006-03-09 Roger Sayle <roger@eyesopen.com>
8884 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8885 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8887 2006-03-08 DJ Delorie <dj@redhat.com>
8889 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8890 (addpsi3): Expand to include memory operands. Remove
8891 reload-specific splits.
8892 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8893 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8894 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8895 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8896 (shift1_qi, shift1_hi, insv): New.
8897 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8898 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8899 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8901 * config/m32c/m32c-protos.h: Update as needed.
8902 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8903 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8904 Fail for unrecognized R* constraints.
8905 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8906 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8907 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8909 (m32c_init_libfuncs): New.
8910 (m32c_legitimate_address_p): Add debug wrapper.
8911 (m32c_rtx_costs): New.
8912 (m32c_address_cost): New.
8913 (conversions): Add 'B' prefix.
8914 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8915 operands, or word regnames for QI operands. 'B' prints bit
8917 (m32c_expand_setmemhi): New.
8918 (m32c_expand_movmemhi): New.
8919 (m32c_expand_movstr): New.
8920 (m32c_expand_cmpstr): New.
8921 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8922 (m32c_expand_neg_mulpsi3): Handle non-ints.
8923 (m32c_cmp_flg_0): New.
8924 (m32c_expand_movcc): New.
8925 (m32c_expand_insv): New.
8926 (m32c_scc_pattern): New.
8927 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8928 a0/a1 out of SIregs.
8929 (STORE_FLAG_VALUE): New.
8930 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8933 * config/m32c/mov.md: Make constraints more liberal.
8934 (zero_extendqihi2): Optimize r0/r1 case.
8935 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8936 * config/m32c/predicates.md (m32c_any_operand): New.
8937 (m32c_nonimmediate_operand): New.
8938 (m32c_hl_operand): New.
8939 (m32c_r3_operand): New.
8942 (memsym_operand): New.
8943 (memimmed_operand): New.
8944 (a_qi_operand): New.
8945 (m32c_eqne_operator): New.
8946 (m32c_1bit8_operand): New.
8947 (m32c_1bit16_operand): New.
8948 (m32c_1mask8_operand): New.
8949 (m32c_1mask16_operand): New.
8950 * config/m32c/blkmov.md: New file.
8951 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8953 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8955 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8956 unsigned to fix signed/unsigned comparison issue in
8957 DWARF2_FRAME_REG_OUT.
8958 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8959 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8961 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8962 of ptr into the ENABLE_CHECKING section.
8964 2006-03-08 Jeff Law <law@redhat.com>
8966 * tree-vrp.c (infer_value_range): Only count pointer uses
8967 and dereferences if -fdelete-null-pointer-checks is enabled.
8969 * tree-vrp.c (find_assert_locations): Infer value ranges for
8970 single use pointers, but do not create ASSERT_EXPRs for them.
8971 When a non-null range is inferred for a pointer, backwards
8972 propagate that range to other equivalent pointers through the
8975 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8978 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8979 language hook targets.
8980 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8981 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8982 if language hook targets were missing.
8984 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8986 * tree-ssa-opfinalize.h: Removed.
8987 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8989 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8990 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8991 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8992 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8993 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8994 finalize_ssa_v_must_def_ops): New.
8996 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8998 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
9001 2006-03-07 Geoffrey Keating <geoffk@apple.com>
9003 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
9005 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
9006 addresses with offsets; reorganize.
9008 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
9009 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
9010 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9012 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9015 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9017 2006-03-08 Ben Elliston <bje@au.ibm.com>
9019 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9021 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9024 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9027 2006-03-07 Richard Guenther <rguenther@suse.de>
9029 PR tree-optimization/26587
9030 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9032 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9034 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9036 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9038 * hooks.c (hook_bool_mode_rtx_true): New function.
9039 * hooks.h (hook_bool_mode_rtx_true): Declare.
9040 * toplev.c (compile_file): Call output_shared_constant_pool.
9041 * varasm.c (shared_constant_pool): New variable.
9042 (assemble_start_function, assemble_end_function): Remove arguments
9043 from call to output_constant_pool.
9044 (create_constant_pool): New function, split out from...
9045 (init_varasm_status): ...here.
9046 (force_const_mem): Choose between the shared and per-function constant
9047 pools. Set current_function_uses_const_pool when reusing old entries
9048 as well as when creating new ones.
9049 (mark_constant): Ignore data argument.
9050 (mark_constants): Remove pool argument.
9051 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9052 to decide whether the function uses a constant pool.
9053 (output_constant_pool_contents): New function, split out from...
9054 (output_constant_pool): ...here.
9055 (output_shared_constant_pool): New function.
9056 (init_varasm_once): Initialize shared_constant_pool.
9057 * output.h (output_constant_pool): Delete.
9058 (output_shared_constant_pool): Declare.
9059 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9060 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9062 2006-03-06 Nick Clifton <nickc@redhat.com>
9064 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9065 flag_strength_reduce.
9067 2006-03-06 Ben Elliston <bje@au.ibm.com>
9069 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9070 x86_64-*-linux* configurations.
9072 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9073 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9075 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9077 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9079 * basic-block.h: Remove the extern for
9080 rediscover_loops_after_threading.
9082 * cfgloop.c (cancel_loop): Make it static.
9083 * cfgloop.h: Remove the prototype for cancel_loop.
9085 * flow.c (recompute_reg_usage): Make it static.
9086 * rtl.h: Remove the prototype for recompute_reg_usage.
9088 * function.c (use_return_register): Make it static.
9089 * function.h: Remove the prototype.
9091 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9093 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9095 * recog.h: Remove the prototype for
9096 validate_change_maybe_volatile.
9098 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9100 * rtlanal.c (replace_reg): Remove.
9101 * rtl.h: Remove the prototype for replace_reg.
9103 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9105 * regclass.c (reg_scan_update): Remove.
9106 (reg_scan_mark_refs): Remove the last argument.
9107 * rtl.h: Remove the prototype for reg_scan_update.
9109 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9111 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9112 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9113 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9114 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9115 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9116 loop-invariant.c, omp-low.c, opts.c, passes.c,
9117 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9118 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9119 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9120 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9121 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9122 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9124 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9126 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9127 * dwarf2out.h: Remove the prototype for
9128 dwarf2out_add_library_unit_info.
9130 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9132 * tree.c (add_var_to_bind_expr): Remove.
9133 * tree.h: Remove the prototype for add_var_to_bind_expr.
9135 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9137 * regclass.c (n_non_fixed_regs): Remove.
9138 (init_reg_sets_1, globalize_reg): Remove all uses of
9140 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9142 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9144 * rtlanal.c (insns_safe_to_move_p): Remove.
9145 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9147 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9149 * expmed.c (expand_mult_add): Remove.
9150 * expr.h: Remove the prototype for expand_mult_add.
9152 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9154 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9155 and REG_SAVED_VAL_EXP constants.
9156 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9157 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9158 Handle regs stored by value.
9159 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9160 (execute_cfa_program): Handle DW_CFA_val_offset,
9161 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9162 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9163 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9164 (uw_install_context_1): Handle target regs stored by value.
9166 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9168 * tree-sra.c (tree_sra): Return todoflags;
9169 (generate_one_element): Set TODO_update_smt_usage if needed.
9170 (pass_sra): Remove TODO_update_smt_usage.
9171 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9173 (tree_ssa_forward_propagate_single_use_vars): Return
9174 TODO_update_smt_usage if we need to update SMT usage.
9175 (pass_forwprop): Remove TODO_update_smt_usage.
9177 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9179 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9180 (correct_use_link): Remove reference to get_stmt_operands.
9181 (update_stmt_operands): Likewise.
9182 (get_modify_expr_operands): New function factored out of
9183 parse_ssa_operands and get_expr_operands.
9184 Try to create V_MUST_DEFs for LHS by default.
9185 (get_expr_operands) <case MODIFY_EXPR>: Call
9186 get_modify_expr_operands.
9187 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9188 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9189 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9190 get_modify_expr_operands.
9192 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9194 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9195 * tree-flow.h: Remove the prototype for
9196 referenced_var_lookup_if_exists.
9198 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9200 PR rtl-optimization/26345
9202 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9204 2006-03-03 Roger Sayle <roger@eyesopen.com>
9206 PR tree-optimization/26524
9207 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9208 fold_convert to create a constant of the appropriate type.
9210 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9212 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9213 SYMBOL_REF_IN_BLOCK_P.
9214 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9215 of SYMBOL_FLAG_IN_BLOCK.
9216 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9217 instead of SYMBOL_REF_IN_BLOCK_P.
9218 * explow.c (use_anchored_address): Likewise.
9219 * rtl.c (rtx_size): Likewise.
9220 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9221 instead of SYMBOL_FLAG_IN_BLOCK.
9222 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9223 SYMBOL_REF_IN_BLOCK_P.
9224 (assemble_variable): Likewise.
9225 (output_constant_def_contents): Likewise.
9226 (output_constant_pool): Likewise.
9227 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9228 instead of SYMBOL_FLAG_IN_BLOCK.
9229 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9230 SYMBOL_REF_IN_BLOCK_P.
9231 (SYMBOL_REF_BLOCK): Likewise.
9232 (SYMBOL_REF_OFFSET): Likewise.
9233 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9234 SYMBOL_REF_IN_BLOCK_P.
9235 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9236 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9237 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9238 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9240 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9242 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9244 2006-03-02 Roger Sayle <roger@eyesopen.com>
9246 * simplify-rtx.c (simplify_unary_operation): When simplifying
9247 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9248 that we perform the right shift in the appropriate mode, and
9249 then extend or truncate the result to requested mode.
9251 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9253 * gengtype.c (main): Handle double_int type.
9254 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9255 * double-int.c: New file.
9256 * double-int.h: New file.
9257 * system.h: Include doubleint.h.
9258 * Makefile.in (SYSTEM_H): Include double-int.h.
9259 (double-int.o): Add.
9261 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9264 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9267 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9269 * tree-vrp.c (remove_range_assertions): Do not update statements
9272 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9274 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9276 * gcse.c (rest_of_handle_gcse): Ditto.
9277 * except.c (gate_handle_eh): Ditto.
9278 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9279 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9281 2006-03-02 Eric Christopher <echristo@apple.com>
9283 * config/i386/i386.c (machopic_output_stub): Add indirection to
9286 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9290 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9292 Sun Niagara specific optimizations.
9293 * config.gcc: Recognize niagara as target.
9294 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9295 (TARGET_CPU_niagara): Define.
9296 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9297 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9298 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9299 (ASM_CPU_SPEC): Likewise.
9300 (PROCESSOR_NIAGARA): New enum entry.
9301 (REGISTER_MOVE_COST): Handle Niagara.
9302 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9303 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9304 (sparc_override_options): Recognize "niagara", set appropriate
9305 default MASK_* values for it, and align functions to 32-bytes
9306 by default just like ULTRASPARC/ULTRASPARC3.
9307 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9308 (sparc64_initialize_trampoline): Likewise.
9309 (sparc_use_sched_lookahead): Use zero for niagara.
9310 (sparc_issue_rate): Use one for niagara.
9311 * config/sparc/niagara.md: New file.
9312 * config/sparc/sparc.md: Include it.
9313 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9314 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9315 when default cpu is niagara.
9316 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9317 (ASM_CPU_SPEC): Likewise.
9318 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9319 when default cpu is niagara.
9320 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9321 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9322 just like v9/ultrasparc/ultrasparc3.
9323 * doc/invoke.texi: Add documentation for "niagara" and improve
9324 existing documentation for ultrasparc variants.
9326 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9328 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9330 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9332 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9333 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9334 and say that only one is needed.
9335 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9336 * target.h (have_switchable_bss_sections): New hook.
9337 * explow.c (use_anchored_address): Check that the symbol is in a block.
9338 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9339 (bss_noswitch_section): New variables.
9340 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9341 (get_noswitch_section): New function.
9342 (get_block_for_section): Allow SECT to be null.
9343 (unlikely_text_section_p): Use SECTION_STYLE.
9344 (bss_initializer_p): New function.
9345 (get_variable_section): Move earlier in file. Take a new argument,
9346 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9347 Return one of the new *_sections in such cases.
9348 (get_block_for_decl): New function, extracting some logic from
9349 use_blocks_for_decl_p.
9350 (change_symbol_section): Remove in favor of...
9351 (change_symbol_block): ...this new function.
9352 (use_blocks_for_decl_p): Remove checks now performed by
9354 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9355 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9356 (emit_local, emit_bss, emit_common): ...these new functions.
9357 Return true if the alignment was honored.
9358 (emit_tls_common): New function.
9359 (asm_emit_uninitialised): Delete.
9360 (assemble_variable_noswitch): New function, split out from...
9361 (assemble_variable): ...here. Don't make decisions about common
9362 variables here. Globalize all public decls that go into non-common
9363 sections. Check whether SYMBOL_REF_BLOCK is null.
9364 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9365 (output_constant_pool): Likewise.
9366 (init_varasm_once): Initialize the new section variables.
9367 (have_global_bss_p): New function.
9368 (categorize_decl_for_section): Use bss_initializer_p.
9369 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9370 (place_block_symbol): Assert that the symbol must be in a block.
9371 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9372 (TARGET_INITIALIZER): Include it.
9373 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9374 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9375 (SECTION_MACH_DEP): Bump by two.
9376 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9377 (unnamed_section): Mention SECTION_UNNAMED in comment.
9378 (named_section): Likewise SECTION_NAMED.
9379 (noswitch_section_callback): New type.
9380 (noswitch_section): New structure.
9381 (section): Add a noswitch_section alternative.
9382 (SECTION_STYLE): New macro.
9383 (tls_comm_section, comm_section, lcomm_section): Declare.
9384 (bss_noswitch_section, have_global_bss_p): Declare.
9385 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9386 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9388 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9389 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9392 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9394 * tree-vrp.c (execute_vrp): Return value.
9395 * regrename.c (rest_of_handle_regrename): Ditto.
9396 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9397 * tree-complex.c (tree_lower_complex): Ditto.
9398 (tree_lower_complex_O0): Ditto.
9399 * tracer.c (rest_of_handle_tracer): Ditto.
9400 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9401 * postreload.c (rest_of_handle_postreload): Ditto.
9402 * tree-tailcall.c (execute_tail_recursion): Ditto.
9403 (execute_tail_calls): Ditto.
9404 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9405 * tree.h (init_function_for_compilation): Ditto.
9406 * ipa-cp.c (ipcp_driver): Ditto.
9407 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9408 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9409 * final.c (compute_alignments): Ditto.
9410 (rest_of_handle_final): Ditto.
9411 (rest_of_handle_shorten_branches): Ditto.
9412 (rest_of_clean_state): Ditto.
9413 * omp-low.c (execute_expand_omp): Ditto.
9414 (execute_lower_omp): Ditto.
9415 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9416 * ipa-reference.c (static_execute): Ditto.
9417 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9418 * reorg.c (rest_of_handle_delay_slots): Ditto.
9419 (rest_of_handle_machine_reorg): Ditto.
9420 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9421 * flow.c (recompute_reg_usage): Ditto.
9422 (rest_of_handle_remove_death_notes): Ditto.
9423 (rest_of_handle_life): Ditto.
9424 (rest_of_handle_flow2): Ditto.
9425 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9426 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9427 (do_ssa_store_ccp): Ditto.
9428 (execute_fold_all_builtins): Ditto.
9429 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9430 * modulo-sched.c (rest_of_handle_sms): Ditto.
9431 * ipa-pure-const.c (static_execute): Ditto.
9432 * cse.c (rest_of_handle_cse): Ditto.
9433 (rest_of_handle_cse2): Ditto.
9434 * web.c (rest_of_handle_web): Ditto.
9435 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9436 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9437 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9438 * tree-nrv.c (tree_nrv): Ditto.
9439 (execute_return_slot_opt): Ditto.
9440 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9441 (create_structure_vars): Ditto.
9442 * loop-init.c (rtl_loop_init): Ditto.
9443 (rtl_loop_done): Ditto.
9444 (rtl_move_loop_invariants): Ditto.
9445 (rtl_unswitch): Ditto.
9446 (rtl_unroll_and_peel_loops): Ditto.
9447 (rtl_doloop): Ditto.
9448 * gimple-low.c (lower_function_body): Ditto.
9449 (mark_used_blocks): Ditto.
9450 * tree-ssa-sink.c (execute_sink_code): Ditto.
9451 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9452 (cgraph_early_inlining): Ditto.
9453 * global.c (rest_of_handle_global_alloc): Ditto.
9454 * jump.c (cleanup_barriers): Ditto.
9455 (purge_line_number_notes): Ditto.
9456 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9457 (rest_of_handle_if_after_reload): Ditto.
9458 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9459 (tree_ssa_loop_im): Ditto.
9460 (tree_ssa_loop_unswitch): Ditto.
9461 (tree_vectorize): Ditto.
9462 (tree_linear_transform): Ditto.
9463 (tree_ssa_loop_ivcanon): Ditto.
9464 (tree_ssa_empty_loop): Ditto.
9465 (tree_ssa_loop_bounds): Ditto.
9466 (tree_complete_unroll): Ditto.
9467 (tree_ssa_loop_prefetch): Ditto.
9468 (tree_ssa_loop_ivopts): Ditto.
9469 (tree_ssa_loop_done): Ditto.
9470 * predict.c (tree_estimate_probability): Ditto.
9471 * recog.c (split_all_insns_noflow): Ditto.
9472 (rest_of_handle_peephole2): Ditto.
9473 (rest_of_handle_split_all_insns): Ditto.
9474 * tree-eh.c (lower_eh_constructs): Ditto.
9475 * regmove.c (rest_of_handle_regmove): Ditto.
9476 (rest_of_handle_stack_adjustments): Ditto.
9477 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9478 * function.c (instantiate_virtual_regs): Ditto.
9479 (init_function_for_compilation): Ditto.
9480 (rest_of_handle_check_leaf_regs): Ditto.
9481 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9482 (rest_of_handle_gcse): Ditto.
9483 * ipa-type-escape.c (type_escape_execute): Ditto.
9484 * alias.c (rest_of_handle_cfg): Ditto.
9485 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9486 * profile.c (rest_of_handle_branch_prob): Ditto.
9487 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9488 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9489 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9490 * tree-dfa.c (find_referenced_vars): Ditto.
9491 * except.c (set_nothrow_function_flags): Ditto.
9492 (convert_to_eh_region_ranges): Ditto.
9493 (rest_of_handle_eh): Ditto.
9494 * emit-rtl.c (unshare_all_rtl): Ditto.
9495 (remove_unnecessary_notes): Ditto.
9496 * except.h (set_nothrow_function_flags): Ditto.
9497 (convert_to_eh_region_ranges): Ditto.
9498 * cfgexpand.c (tree_expand_cfg): Ditto.
9499 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9500 * tree-ssa-pre.c (do_pre): Ditto.
9501 (execute_fre): Ditto.
9502 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9503 (rest_of_handle_jump2): Ditto.
9504 * tree-sra.c (tree_sra): Ditto.
9505 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9506 (execute_mudflap_function_decls): Ditto.
9507 * tree-ssa-copy.c (do_copy_prop): Ditto.
9508 (do_store_copy_prop): Ditto.
9509 * ipa-prop.h (ipcp_driver): Ditto.
9510 * cfglayout.c (insn_locators_initialize): Ditto.
9511 * tree-ssa-forwprop.c
9512 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9513 * cfglayout.h (insn_locators_initialize): Ditto.
9514 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9515 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9516 (execute_late_warn_uninitialized): Ditto.
9517 * rtl.h (cleanup_barriers): Ditto.
9518 (split_all_insns_noflow): Ditto.
9519 (purge_line_number_notes): Ditto.
9520 (unshare_all_rtl): Ditto.
9521 (remove_unnecessary_notes): Ditto.
9522 (recompute_reg_usage): Ditto.
9523 (variable_tracking_main): Ditto.
9524 * integrate.c (emit_initial_value_sets): Ditto.
9525 * integrate.h (emit_initial_value_sets): Ditto.
9526 * tree-optimize.c (execute_free_datastructures): Ditto
9527 (execute_free_cfg_annotations): Ditto.
9528 (execute_fixup_cfg): Ditto.
9529 (execute_cleanup_cfg_pre_ipa): Ditto.
9530 (execute_cleanup_cfg_post_optimizing): Ditto.
9531 (execute_init_datastructures): Ditto.
9532 * tree-object-size.c (compute_object_sizes): Ditto.
9533 * combine.c (rest_of_handle_combine): Ditto.
9534 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9535 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9536 (rest_of_handle_reorder_blocks): Ditto.
9537 (rest_of_handle_partition_blocks): Ditto.
9538 * var-tracking.c (variable_tracking_main): Ditto.
9539 * tree-profile.c (tree_profiling): Ditto.
9540 * tree-vect-generic.c (expand_vector_operations): Ditto.
9541 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9542 * sched-rgn.c (rest_of_handle_sched): Ditto.
9543 (rest_of_handle_sched2): Ditto.
9544 * basic-block.h (free_bb_insn): Ditto.
9545 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9546 * tree-cfg.c (execute_build_cfg): Ditto.
9547 (remove_useless_stmts): Ditto.
9548 (split_critical_edges): Ditto.
9549 (execute_warn_function_return): Ditto.
9550 (execute_warn_function_noreturn): Ditto.
9551 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9552 * cfgrtl.c (free_bb_for_insn): Ditto.
9553 * passes.c (execute_one_pass): Run additional
9554 todos returned by execute function.
9555 * tree-pass.h (struct tree_opt_pass): Make execute
9558 2006-03-02 Richard Guenther <rguenther@suse.de>
9560 * tree-ssa-alias.c (find_used_portions): Consider taking
9561 the address as making the variable not write-only.
9563 2006-03-02 Nick Clifton <nickc@redhat.com>
9565 * config.gcc (default_use_cxa_atexit): Extend the description of
9566 this configure variable. Set its default value to "yes" for
9567 Linux, NetBSD and ELF targets on the assumption that they will
9568 use C libraries with the __cxa_atexit function.
9570 2006-03-02 Ben Elliston <bje@au.ibm.com>
9572 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9573 parameter as unused to suppress a build warning.
9575 2006-03-02 Ben Elliston <bje@au.ibm.com>
9577 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9580 2006-03-01 Roger Sayle <roger@eyesopen.com>
9583 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9584 declared name, the weak reference name, and the typeof name.
9585 (__gthrw): Avoid expanding the declared name suffix.
9586 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9588 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9590 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9592 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9593 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9594 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9595 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9596 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9597 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9598 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9599 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9600 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9601 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9602 (DW_END_default, DW_END_big, DW_END_little): New.
9603 (DW_END_lo_user, DW_END_hi_user): Define.
9604 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9605 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9606 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9609 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9611 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9613 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9615 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9617 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9619 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9620 to 'symbol_mem_tag'.
9622 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9625 2006-03-01 Roger Sayle <roger@eyesopen.com>
9627 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9629 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9632 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9633 MACHO_DYNAMIC_NO_PIC_P.
9634 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9636 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9639 * config/darwin-protos.h (darwin_asm_output_anchor):
9641 * config/darwin-sections.def (cstring_section):
9642 Add SECTION_MERGE to the flags.
9643 (literal4_section): Likewise.
9644 (literal8_section): Likewise.
9645 (objc_selector_refs_section): Likewise.
9646 (objc_cls_refs_section): Likewise.
9647 * config/darwin.c (darwin_asm_output_anchor): New
9649 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9651 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9653 Fix PR tree-optimization/26443
9654 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9655 to todo and PROP_tmt_usage to properties_destroyed.
9656 * tree-ssa-ccp.c (pass_ccp): Ditto.
9657 (pass_store_ccp): Ditto.
9658 * tree-ssa-dom.c (pass_dominator): Ditto.
9660 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9662 * tree-ssa-operands.c: Cleanup whitespace.
9663 (get_asm_expr_operands): Move before first invocation.
9664 (get_indirect_ref_operands): Likewise.
9665 (get_tmr_operands): Likewise.
9666 (get_call_expr_operands): Likewise.
9667 (append_def): Likewise.
9668 (append_use): Likewise.
9669 (append_v_may_def): Likewise.
9670 (append_v_must_def): Likewise.
9671 (add_call_clobber_ops): Likewise.
9672 (add_call_read_ops): Likewise.
9673 (add_stmt_operand): Likewise.
9674 (add_virtual_operand): Likewise.
9675 (build_ssa_operands): Likewise.
9677 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9682 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9683 with a call expr to ...
9684 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9686 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9688 * tree-vrp.c (extract_range_from_assert): Remove special
9689 handling for types with super-types.
9691 2006-03-01 Ben Elliston <bje@au.ibm.com>
9693 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9694 and powerpc64-*-linux* configurations.
9695 * config/t-dfprules: New file.
9697 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9698 Compile dfp-bit.c from the source directory using -DWIDTH and
9699 $DFP_CFLAGS to control the compilation of that file, rather than
9700 generating width-specific versions in the build directory.
9701 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9702 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9704 2006-02-28 Zack Weinberg <zackw@panix.com>
9706 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9709 2006-02-28 Eric Christopher <echristo@apple.com>
9711 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9712 Set up IN_LIBGCC definition of TARGET_64BIT.
9713 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9715 2006-02-28 Roger Sayle <roger@eyesopen.com>
9718 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9719 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9720 cases via the construction of "expr != 0".
9722 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9724 * alias.c (alias_invariant, alias_invariant_size): Remove.
9725 (record_base_value): Remove.
9726 (memrefs_conflict_p): Don't look at alias_invariant.
9727 (end_alias_analysis): Don't free it.
9728 * alias.h (record_base_value): Remove prototype.
9730 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9731 Adam Nemet <anemet@caviumnetworks.com>
9733 * rtl.h (truncated_to_mode): Declare it.
9734 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9735 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9736 (RTL_HOOKS_INITIALIZER): Include it.
9737 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9738 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9739 reg_truncated_to_mode.
9740 * rtlanal.c (truncated_to_mode): Define it.
9741 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9743 2006-02-28 Jeff Law <law@redhat.com>
9745 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9746 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9747 the range allowed by TYPE_PRECISION.
9749 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9751 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9753 PR tree-optimization/26419
9754 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9757 2006-02-27 Zack Weinberg <zackw@panix.com>
9759 * doc/md.texi: Fix typo in previous change.
9761 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9765 2006-02-27 Zack Weinberg <zackw@panix.com>
9767 * rtl.def (define_constraint, define_register_constraint)
9768 (define_memory_constraint, define_address_constraint): New MD forms.
9769 * gensupport.c (process_rtx): Put define_constraint etc on the
9771 * genpreds.c (process_define_predicate): Adjust comment. Validate
9772 the name, and call validate_exp to validate the expression.
9773 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9774 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9775 all callers changed.
9776 (validate_exp, needs_variable, struct constraint_data)
9777 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9778 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9779 (const_dbl_constraints, constraint_max_namelen)
9780 (have_register_constraints, have_memory_constraints)
9781 (have_address_constraints, have_address_constraints)
9782 (have_extra_constraints, have_const_int_constraints)
9783 (have_const_dbl_constraints, mangle, add_constraint)
9784 (process_define_constraint, process_define_register_constraint)
9785 (write_enum_constraint_num, write_lookup_constraint)
9786 (write_insn_constraint_len, write_regclass_for_constraint)
9787 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9788 (write_insn_extra_memory_constraint)
9789 (write_insn_extra_address_constraint)
9790 (write_satisfies_constraint_fns): New.
9791 (write_tm_preds_h): If we have new-style constraint definitions,
9792 prototype the functions generated from them, and define the
9793 old constraint interface (still used by generic code) in terms of
9795 (write_insn_preds_c): If we have new-style constraint definitions,
9796 generate all relevant functions from those definitions.
9797 (main): Handle define_constraint etc.
9798 * genoutput.c (struct constraint_data, indep_constraints)
9799 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9800 (mdep_constraint_len): New data structures and functions, defined
9801 #ifdef USE_MD_CONSTRAINTS.
9802 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9803 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9804 use new logic to validate operand constraints against constraint
9806 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9808 * defaults.h: If none of the old-style constraint macros are
9809 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9810 old-style macros; and poison REG_CLASS_FROM_LETTER,
9811 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9813 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9814 * doc/md.texi: Document new constraint-definition mechanism and the
9815 C interface it provides. Remove references to old mechanism
9816 elsewhere in the document.
9817 (Machine Constraints): Use pathnames relative to gcc directory,
9818 i.e. config/ARCH/FILE. Change i386 section to refer to
9819 config/i386/predicates.md; update that section to match docstrings.
9820 * doc/tm.texi: Move all documentation of the old constraint-
9821 definition macros to their own section, clearly mark as obsolete.
9823 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9824 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9826 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9827 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9828 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9830 (splits and peepholes): Use satisfies_constraint_*.
9831 * config/i386/i386.c (memory_address_length)
9832 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9834 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9836 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9837 scalar operation to be put back into the loop.
9839 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9842 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9843 (extract_cie_info): Handle S flag in augmentation string.
9844 (execute_cfa_program): If context->signal_frame, execute also
9845 fs->pc == context->ra instructions.
9846 (uw_frame_state_for): If context->signal_frame, don't subtract one
9847 from context->ra to find FDE.
9848 (uw_update_context_1): Set context->signal_frame to
9850 (_Unwind_GetIPInfo): New function.
9851 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9852 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9854 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9855 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9856 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9857 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9858 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9859 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9860 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9861 x86_64_fallback_frame_state): Set fs->signal_frame.
9862 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9863 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9864 (frob_update_context): Likewise. Workaround missing S flag in
9865 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9866 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9867 Remove the psw_addr + 1 hack.
9869 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9871 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9872 with aggregates here.
9873 (find_func_aliases): Remove code for &<aggregate> from here.
9875 2006-02-26 Roger Sayle <roger@eyesopen.com>
9877 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9878 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9879 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9882 2006-02-26 Roger Sayle <roger@eyesopen.com>
9885 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9887 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9889 * opts.c (decode_options): Do not handle flag_strength_reduce.
9890 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9891 and OPT_fstrength_reduce.
9892 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9893 flag_prefetch_loop_arrays for being nonzero.
9894 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9896 (fprefetch-loop-arrays-rtl): Removed.
9897 (flag_prefetch_loop_arrays): Do not specify the value.
9899 * doc/passes.texi: Update documentation of loop optimizer
9901 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9902 -frerun-loop-opt): Remove.
9904 2006-02-26 Richard Guenther <rguenther@suse.de>
9906 PR tree-optimization/26421
9907 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9908 in function calls that are ADDR_EXPRs as using the whole structure.
9910 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9912 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9913 * tree-pass.h (pass_loop_optimize): Remove.
9914 * passes.c (pass_loop_optimize): Never run it.
9915 * toplev.c (backend_init): Don't call init_loop.
9916 * opts.c (flag_loop_optimize_set): Remove.
9917 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9918 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9919 the old RTL loop optimizer when profiling enabled.
9920 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9921 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9922 pre-headers for the sake of the old RTL loop optimizer.
9923 * Makefile.in: Remove all references to loop.o.
9925 * doc/invoke.texi: Remove all references to -floop-optimize
9926 and -frerun-loop-opt.
9928 2006-02-26 Zack Weinberg <zackw@panix.com>
9930 * doc/md.texi (Machine Constraints): Refer to all files with paths
9931 relative to gcc directory (i.e. config/CPU/file). Add missing
9932 @table @code ... @end table to M32C subsection.
9934 2006-02-26 Roger Sayle <roger@eyesopen.com>
9936 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9938 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9940 2006-02-26 Roger Sayle <roger@eyesopen.com>
9941 James A. Morrison <phython@gcc.gnu.org>
9944 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9945 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9946 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9947 signedness of the shift operation.
9949 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9951 PR tree-optimization/26359
9952 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9954 2006-02-25 Roger Sayle <roger@eyesopen.com>
9956 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9957 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9958 as X == 0, and some symmetry related transformations.
9959 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9961 2006-02-25 Roger Sayle <roger@eyesopen.com>
9964 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9965 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9966 symmetry related transformations. Fold (X^C1) == C2 as
9969 2006-02-25 Juergen Weigert <jw@suse.de>
9970 Richard Guenther <rguenther@suse.de>
9972 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9974 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9976 * combine.c (gen_lowpart_or_truncate): Call
9977 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9979 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9981 * doc/invoke.texi: Move -fopenmp description to "Options for
9983 Remove reference to -lgomp.
9985 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9987 * doc/install.texi: Require GNU tar version 1.14.
9989 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9991 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9992 * doc/invoke.texi (C++ Dialect Options): Document
9993 -fno-use-cxa-get-exception-ptr.
9994 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9995 * configure: Regenerate.
9996 * c.opt (fuse-cxa-get-exception-ptr): New.
9997 * c-opts.c (c_common_handle_option): Handle
9998 OPT_fuse_cxa_get_exception_ptr.
9999 * c-common.c (flag_use_cxa_atexit): Update documentation.
10000 (flag_use_cxa_get_exception_ptr): New.
10001 * c-common.h (flag_use_cxa_get_exception_ptr): New.
10002 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
10004 (C_COMMON_OVERRIDE_OPTIONS): New.
10006 2006-02-24 Roger Sayle <roger@eyesopen.com>
10008 PR middle-end/24952
10009 * combine.c (try_combine): Explicitly check whether GET_CODE is
10010 a SET or a CLOBBER, instead on checking that it isn't a USE.
10012 2006-02-24 Roger Sayle <roger@eyesopen.com>
10014 * fold-const.c (fold_comparison): New subroutine of fold_binary
10015 containing transformations common to both the equality and
10016 ordering relational operators, factored out of fold_binary.
10017 (fold_binary): Separate out the equality operators (EQ_EXPR
10018 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10019 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10020 transformations common to both.
10021 (fold_div_compare): Fix latent bugs in the previously unreachable
10022 LT_EXPR and GE_EXPR cases.
10024 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10026 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10027 decl libname for clog to __clog on AIX.
10029 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10031 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10034 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10035 output traceback table for thunks. Localise rs6000_stack_info call.
10037 2006-02-23 Roger Sayle <roger@eyesopen.com>
10038 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10040 * gthr-posix.h (__gthrw): Fix typo in comment.
10042 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10044 * doc/cpp.texi (Character sets): Document that we do support
10045 input files to be in any character set.
10047 2006-02-23 Jeff Law <law@redhat.com>
10049 * tree.h (PHI_ARG_NONZERO): Remove.
10050 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10051 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10052 node to the new node.
10054 PR tree-optimization/26425
10055 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10056 min/max, then assume its varying.
10058 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10060 PR rtl-optimization/26316
10061 * rtlanal.c (enum may_trap_p_flags): New.
10062 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10063 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10064 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10065 (may_trap_after_code_motion_p): New function.
10066 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10067 (find_invariant_insn): Use may_trap_after_code_motion_p.
10068 * rtl.h (may_trap_after_code_motion_p): Declare.
10070 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10072 * emit-rtl.c (immed_double_const): Cleanup.
10074 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10076 Fix PR tree-optimization/26376
10077 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10080 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10082 PR middle-end/26412
10083 * gimplify.c (omp_add_variable): Guard variable size decl test with
10084 DECL_SIZE (decl) check.
10086 2006-02-23 Richard Guenther <rguenther@suse.de>
10088 PR middle-end/26439
10089 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10090 like aggregate types.
10092 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10094 * configure.ac: Add --with{,out}-long-double-128 configure option.
10095 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10096 * configure: Rebuilt.
10097 * config.in: Rebuilt.
10098 * doc/install.texi (Options specification): Document
10099 --with-long-double-128.
10101 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10102 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10103 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10104 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10106 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10108 * config/s390/s390.c (override_options): Handle
10109 TARGET_DEFAULT_LONG_DOUBLE_128.
10111 * config/alpha/alpha.c (override_options): Handle
10112 TARGET_DEFAULT_LONG_DOUBLE_128.
10114 * config/sparc/sparc.c (sparc_override_options): Handle
10115 TARGET_DEFAULT_LONG_DOUBLE_128.
10117 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10119 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10120 (real-install-headers-tar, real-install-headers-cpio)
10121 (real-install-headers-cp): New targets.
10123 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10125 * tree.h (variable_section): Delete.
10126 * varasm.c (variable_section): Delete.
10128 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10130 * install.texi: Add notes on install.texi2html.
10131 (Building in parallel): Do not use footnotes.
10133 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10136 * doc/install.texi (Configuration): Document --disable-libgomp.
10138 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10140 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10142 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10144 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10145 (vec_extractv2df_0_sse): New.
10147 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10149 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10150 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10151 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10152 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10153 to the result of the expression.
10154 (def_cfa_1): Adjust.
10155 (frame_pointer_cfa_offset): Rename to...
10156 (frame_pointer_fb_offset): ... this. Adjust all uses.
10157 (convert_cfa_to_loc_list): Rename to...
10158 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10159 Pass it on to build_cfa_loc.
10160 (compute_frame_pointer_to_cfa_displacement): Rename to...
10161 (compute_frame_pointer_to_fb_displacement): ... this. New
10162 offset parameter. Use it in computation.
10163 (gen_subprogram_die): Compute cfa_fb_offset with the new
10164 macro, and use it to compute the fb loc list and the
10167 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10169 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10170 replaced with register_operand.
10171 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10172 non-DREG is expensive.
10173 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10174 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10177 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10179 * doc/install.texi2html: Use set -e.
10181 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10183 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10184 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10185 * doc/invoke.texi (-fshared-data): Delete.
10186 * common.opt (fshared-data): Delete.
10187 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10188 (assemble_static_space): Remove #if 0 code.
10189 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10190 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10191 * config/cris/cris.h: Remove FIXME.
10193 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10195 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10198 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10200 PR middle-end/26379
10201 * combine.c (simplify_shift_const_1): Disable nested shifts
10202 optimization for vector shifts.
10204 2006-02-20 Roger Sayle <roger@eyesopen.com>
10206 PR tree-optimization/26361
10207 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10208 of unsigned integer types.
10210 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10212 * tree-chrec.c (eq_evolutions_p): New.
10213 * tree-chrec.h (eq_evolutions_p): Declared.
10214 * tree-data-ref.c: Fix formatting.
10215 (datadep_stats, dependence_stats): New.
10217 (print_direction_vector): New.
10218 (dump_data_dependence_relation): Use print_direction_vector.
10219 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10220 (compute_subscript_distance): Static.
10221 (initialize_data_dependence_relation): Static. Get the number
10222 of loops surrounding the references from the callers, and initialize
10223 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10224 base_object_differ_p analyzers.
10225 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10226 compute_overlap_steps_for_affine_1_2,
10227 analyze_subscript_affine_affine): Count the classified dependences.
10228 Print a message when a test failed.
10229 (can_use_analyze_subscript_affine_affine): New.
10230 (analyze_siv_subscript): Compute the data dependences on symbolic
10231 scevs that verify can_use_analyze_subscript_affine_affine.
10232 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10233 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10234 Handle symbolic scevs.
10235 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10237 (subscript_dependence_tester): Moved...
10238 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10239 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10240 DDR_SIZE_VECT instead of getting it in parameter.
10241 (subscript_dependence_tester): ... here. Take as a parameter
10242 loop_nest_depth. Call build_classic_dist_vector and
10243 build_classic_dir_vector.
10244 (compute_affine_dependence): Update subscript_dependence_tester
10245 parameters. Update datadep_stats counters. Call
10246 compute_subscript_distance.
10247 (compute_self_dependence): Save the dist and dir vectors. Call
10248 compute_subscript_distance.
10249 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10250 (compute_all_dependences): Reorder parameters as they were before
10251 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10252 compute_subscript_distance. Update the use of
10253 compute_affine_dependence and initialize_data_dependence_relation.
10254 (find_data_references_in_loop): Handle COMPONENT_REF.
10255 (compute_data_dependences_for_loop): Initialize dependence_stats.
10256 Don't call build_classic_dist_vector and build_classic_dir_vector.
10257 Update the parameters of initialize_data_dependence_relation and
10258 compute_all_dependences. Print the statistics from datadep_stats.
10259 (analyze_all_data_dependences): Static. Not used until the pass for
10260 checking the data dependences is contributed.
10261 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10262 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10263 (initialize_data_dependence_relation, compute_affine_dependence,
10264 analyze_all_data_dependences, compute_subscript_distance): Removed.
10265 (print_direction_vector): New.
10266 * lambda.h (gcd): ... here.
10267 (lambda_vector_gcd): Moved here from gcd_vector.
10268 * lambda-code.c (gcd, gcd_vector): Removed.
10269 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10270 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10272 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10274 * ipa-type-escape.c: Tidy some comments and white space.
10275 * tree-ssa-operands.c: Likewise.
10277 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10280 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10281 (dump_decl_name): Do not walk the decl tree chains.
10282 * tree-pass.h (TDF_CHAIN): Remove.
10284 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10286 * Makefile.in (C): Remove
10288 (.PHONY): Remove C and PROTO
10290 2006-02-20 Roger Sayle <roger@eyesopen.com>
10292 PR middle-end/26236
10293 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10294 deprecated CHAR_TYPE tree code.
10296 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10298 * configure.ac (target_list): Add install-info, dvi, html.
10299 * configure: Regenerate.
10301 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10302 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10303 treelang/Make-lang.in: Do not use double-colon rules.
10305 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10307 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10308 (TMT_USED_ALONE): New macro.
10309 * tree-pass.h (PROP_tmt_usage): New property.
10310 (TODO_update_tmt_usage): New todo.
10311 * tree-ssa-alias.c (updating_used_alone): New variable.
10312 (recalculate_used_alone): New function.
10313 (compute_may_aliases): Set updating_used_alone, call
10314 recalculate_used_alone.
10315 * tree-sra.c (pass_sra): Note that this pass destroys
10316 PROP_tmt_usage, and add TODO_update_tmt_usage.
10317 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10318 * tree-flow.h (updating_used_alone): Prototype.
10319 (recalculate_used_alone): Ditto.
10320 * passes.c (execute_todo): Add code to set updating_used_alone,
10321 and call recalculate.
10322 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10323 for clobber if used alone, and add assert to verify used_alone
10326 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10328 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10329 for non tls symbols added.
10330 (legitimize_address): Do nothing for PLUS expressions if one of the
10331 addends is a tls symbol reference.
10333 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10337 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10339 * Makefile.in (BOOTSTRAPPING): New.
10340 (quickstrap): New definition if BOOTSTRAPPING=yes.
10342 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10343 * configure.ac: Substitute all_selected_languages with the languages
10344 that were configured. For all the other variables except
10345 lang_specs_files, include all the languages in the tree.
10346 * configure: Regenerate.
10348 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10349 if there is one. Run the commands to run fixincludes in the same
10352 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10353 * doc/install.texi: Document exact conventions for searching target tools.
10354 Document --with-build-time-tools. Document toplevel bootstrap. Document
10355 something more about building an Ada cross-compiler. Don't list GNU Make
10356 requirements which affect all platforms.
10358 2006-02-19 Roger Sayle <roger@eyesopen.com>
10360 PR middle-end/19543
10361 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10362 only equivalent if the have both the same mode and precision.
10364 2006-02-20 Ben Elliston <bje@au.ibm.com>
10366 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10368 2006-02-19 Roger Sayle <roger@eyesopen.com>
10369 Steven Bosscher <stevenb.gcc@gmail.com>
10371 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10372 constant pool references to identify stack mode constants.
10373 * rtlanal.c (constant_pool_constant_p): New predicate to check
10374 whether operand is a floating point constant in the pool.
10375 * rtl.h (constant_pool_constant_p): Prototype here.
10376 * loop.c (scan_loop): Avoid hoisting constants from the constant
10377 pool on STACK_REGS targets.
10378 (load_mems): Likewise.
10379 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10380 loads into x87 registers expensive in terms of register pressure.
10382 2006-02-19 Roger Sayle <roger@eyesopen.com>
10384 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10385 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10387 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10389 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10390 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10392 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10394 * doc/invoke.texi: Document -fipa-pta.
10395 * common.opt: Add ipa-pta option.
10396 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10397 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10398 (do_ds_constraint): Ditto.
10399 (get_constraint_for): Only add to referenced_vars if
10400 referenced_vars exists.
10401 (insert_into_field_list): Rewrite to do this unsorted.
10402 (insert_into_field_list_sorted): Rename old insert_into_field_list
10404 (create_function_info_for): Use insert_into_field_list_sorted.
10405 (create_variable_info_for): Rewrite so it uses unsorted version,
10406 since the field list is sorted.
10407 (intra_create_variable_infos): Only add to referenced_vars if
10408 referenced_vars exists.
10409 (ipa_pta_execute): Init heapvars, and delete when done.
10410 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10412 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10414 * doc/install.texi: Add missing `@samp'.
10416 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10418 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10421 2006-02-18 Mark Wielaard <mark@klomp.org>
10423 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10424 who added new 4.1 features, bug fixes and integration support.
10426 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10429 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10430 MEM for ABI_V4 pic.
10432 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10434 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10435 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10436 (copy_insn_1): Likewise. Don't copy each field individually.
10438 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10440 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10441 * rtl.c (rtx_size): Rename variable to...
10442 (rtx_code_size): ...this.
10443 (rtx_size): New function.
10444 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10445 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10447 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10448 * rtl.h (rtx_code_size): New variable.
10449 (rtx_size): Change from a variable to a function.
10450 (RTX_SIZE): Rename to...
10451 (RTX_CODE_SIZE): ...this.
10454 PR tree-optimization/17106
10455 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10456 (Anchored Addresses): New section.
10457 * doc/invoke.texi (-fsection-anchors): Document.
10458 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10459 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10460 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10461 * hooks.c (hook_bool_mode_rtx_false): New function.
10462 * hooks.h (hook_bool_mode_rtx_false): Declare.
10463 * gengtype.c (create_optional_field): New function.
10464 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10465 SYMBOL_REF_IN_BLOCK_P is true.
10466 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10467 (min_anchor_offset, max_anchor_offset): Likewise.
10468 (use_anchors_for_symbol_p): New hook.
10469 * toplev.c (compile_file): Call output_object_blocks.
10470 (target_supports_section_anchors_p): New function.
10471 (process_options): Check that -fsection-anchors is only used on
10472 targets that support it and when -funit-at-a-time is in effect.
10473 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10474 if the decl doesn't have one.
10475 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10476 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10477 of force_const_mem through use_anchored_address.
10478 (expand_expr_constant): New function.
10479 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10480 calling expand_expr for INDIRECT_REF.
10481 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10482 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10483 * expr.h (use_anchored_address): Declare.
10484 * loop-unroll.c: Don't declare rtx vectors here.
10485 * explow.c: Include output.h.
10486 (validize_mem): Call use_anchored_address.
10487 (use_anchored_address): New function.
10488 * common.opt (-fsection-anchors): New switch.
10489 * varasm.c (object_block_htab, anchor_labelno): New variables.
10490 (hash_section, object_block_entry_eq, object_block_entry_hash)
10491 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10492 (use_blocks_for_decl_p, change_symbol_section): New functions.
10493 (get_variable_section): New function, split out from assemble_variable.
10494 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10495 use_blocks_for_decl_p say so. Use change_symbol_section if the
10496 symbol has already been created.
10497 (assemble_variable_contents): New function, split out from...
10498 (assemble_variable): ...here. Don't output any code for
10499 block symbols; just pass them to place_block_symbol.
10500 Use get_variable_section and assemble_variable_contents.
10501 (get_constant_alignment, get_constant_section, get_constant_size): New
10502 functions, split from output_constant_def_contents.
10503 (build_constant_desc): Create a block symbol if use_object_blocks_p
10504 says so. Or into SYMBOL_REF_FLAGS.
10505 (assemble_constant_contents): New function, split from...
10506 (output_constant_def_contents): ...here. Don't output any code
10507 for block symbols; just pass them to place_section_symbol.
10508 Use get_constant_section and get_constant_alignment.
10509 (force_const_mem): Create a block symbol if use_object_blocks_p and
10510 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10511 (output_constant_pool_1): Add an explicit alignment argument.
10512 Don't switch sections here.
10513 (output_constant_pool): Adjust call to output_constant_pool_1.
10514 Switch sections here instead. Don't output anything for block symbols;
10515 just pass them to place_block_symbol.
10516 (init_varasm_once): Initialize object_block_htab.
10517 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10518 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10519 (place_block_symbol, get_section_anchor, output_object_block)
10520 (output_object_block_htab, output_object_blocks): New functions.
10521 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10522 (TARGET_ASM_OUT): Include it.
10523 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10524 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10525 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10526 (TARGET_INITIALIZER): Include them.
10527 * rtl.c (rtl_check_failed_block_symbol): New function.
10528 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10529 (block_symbol, object_block): New structures.
10530 (rtx_def): Add a block_symbol field to the union.
10531 (BLOCK_SYMBOL_CHECK): New macro.
10532 (rtl_check_failed_block_symbol): Declare.
10533 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10534 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10535 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10536 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10537 * output.h (output_section_symbols): Declare.
10538 (object_block): Name structure.
10539 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10540 (default_use_anchors_for_symbol_p): Declare.
10541 * Makefile.in (RTL_BASE_H): Add vec.h.
10542 (explow.o): Depend on output.h.
10543 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10544 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10545 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10546 (rs6000_use_blocks_for_constant_p): New function.
10548 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10550 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10552 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10555 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10558 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10560 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10564 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10566 PR middle-end/26334
10567 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10568 instead of DECL_REGISTER.
10570 2006-02-18 Olivier Hainque <hainque@adacore.com>
10573 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10575 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10578 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10579 * opth-gen.awk: Handle Var and InverseMask together.
10580 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10581 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10582 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10583 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10585 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10586 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10587 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10588 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10589 LINUX_DYNAMIC_LINKER): Define.
10590 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10591 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10593 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10594 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10595 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10596 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10597 (TARGET_C99_FUNCTIONS): Don't define.
10598 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10599 GLIBC_DYNAMIC_LINKER.
10600 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10601 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10602 GLIBC_DYNAMIC_LINKER64): Define.
10603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10604 LINUX_DYNAMIC_LINKER64.
10605 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10606 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10607 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10608 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10609 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10610 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10611 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10612 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10613 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10614 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10615 and LINUX_DYNAMIC_LINKER32.
10616 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10617 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10618 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10619 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10620 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10622 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10623 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10624 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10625 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10626 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10627 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10628 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10629 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10630 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10631 LINUX_DYNAMIC_LINKER): Define.
10632 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10633 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10634 GLIBC_DYNAMIC_LINKER64): Define.
10635 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10636 LINUX_DYNAMIC_LINKER64.
10637 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10638 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10639 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10640 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10641 LINUX_DYNAMIC_LINKER): Define.
10642 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10643 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10644 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10645 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10646 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10647 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10648 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10649 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10650 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10651 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10652 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10653 * doc/invoke.texi (-muclibc): Remove caveat about supported
10656 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10658 * doc/cpp.texi (__TIMESTAMP__): Document.
10660 2006-02-17 Roger Sayle <roger@eyesopen.com>
10662 PR middle-end/25600
10663 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10664 C is one less than the width of X (and related transformations).
10665 * simplify-rtx.c (simplify_unary_operation_1): Transform
10666 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10667 depending on STORE_FLAG_VALUE, were C is one less then the
10670 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10672 Fix PR tree-optimization/26341
10673 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10674 about NAME_MEMORY_TAG's.
10676 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10679 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10680 with hardware float support, and software float support. Add fcpy
10681 alternative to hardware patterns. Add alternatives to copy between
10682 general and floating-point registers to the 32-bit pattern.
10683 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10684 secondary reload to load a QI or HI mode constant into a floating
10686 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10687 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10689 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10692 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10694 (load_macho_picbase_di): Likewise.
10696 2006-02-16 Jeff Law <law@redhat.com>
10698 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10699 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10700 (ssa_name_nonzero_p): Likewise.
10701 (get_value_range): Return NULL if VRP is not running.
10702 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10703 VRP routines do not discover a range.
10704 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10705 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10706 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10707 (tree_expr_nonnegative_p): Similarly.
10708 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10709 (restore_nonzero_vars_to_original_value): Remove.
10710 (unsafe_associative_fp_binop): Remove.
10711 (tree_ssa_dominator_optimize): Remove initialization and
10712 finalization of nonzero_vars and nonzero_vars_stack.
10713 (dom_opt_initialize_block): No longer push marker on
10714 nonzero_vars_stack.
10715 (dom_opt_finalize_block): No longer call
10716 restore_nonzero_vars_to_original_value.
10717 (record_equivalences_from_phis): No longer look for
10718 nonzero PHI arguments.
10719 (cprop_into_successor_phis): No longer propagate nonzero
10720 property into PHI arguments. Lose unused argument. Caller
10722 (record_equivalences_from_stmt): No longer record nonzero
10723 values for SSA_NAMEs.
10724 (lookup_avail_expr): No longer use nonzero_vars.
10726 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10727 for sizetype when sizetype is unsigned.
10729 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10731 PR rtl-optimization/25603
10732 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10733 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10734 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10735 with new meaning of SETS.
10737 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10742 * config/linux.opt: New file.
10743 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10744 LINUX_DYNAMIC_LINKER): Define.
10745 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10746 * config.gcc (*-*-linux*): Define extra_options.
10747 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10748 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10749 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10750 GLIBC_DYNAMIC_LINKER.
10751 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10752 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10753 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10754 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10755 * doc/invoke.texi (GNU/Linux Options): New section.
10757 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10759 * config/sparc/sparc.md (setjmp): Rewrite.
10760 (setjmp_32): Delete.
10761 (setjmp_64): Likewise.
10763 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10765 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10768 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10770 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10773 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10775 PR rtl-optimization/26296
10776 * Makefile.in (loop-invariant.c): Add except.h dependency.
10777 * loop-invariant.c: Include except.h.
10778 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10780 2005-02-16 Paul Brook <paul@codesourcery.com>
10782 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10785 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10787 PR rtl-optimization/25636
10788 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10789 when deciding whether an insn is an initializing insn.
10791 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10793 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10794 (tree_code_size): Ditto.
10795 * tree.h (struct tree_memory_tag): Remove parent_var.
10796 (struct tree_struct_field_tag): New.
10799 (union tree_node): Add sft member.
10800 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10802 (create_sft): Add size and offset argument, set SFT_OFFSET and
10804 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10805 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10806 * tree-flow-inline.h (get_subvar_at): Update for
10807 SFT_OFFSET/SFT_SIZE.
10808 (var_can_have_subvars): Ditto.
10809 (overlap_subvar): Ditto.
10810 * print-tree.c (print_node): Print out interesting things for
10812 * tree-flow.h (struct subvar): Remove offset and size members.
10813 * tree-ssa-operands.c (get_expr_operands): Update for
10814 get_indirect_ref_operands changes.
10815 (get_indirect_ref_operands): Call add_virtual_operand instead of
10816 add_stmt_operand. Only recurse on base var if requested.
10817 (access_can_touch_variable): New function.
10818 (add_stmt_operand): Split virtual operand handling into ...
10819 (add_virtual_operand): Here. Add offset, size, and for_clobber
10820 arguments. Prune alias sets.
10821 (add_call_clobber_ops): Call add_virtual_operand.
10823 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10825 PR middle-end/26300
10826 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10828 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10829 than TREE_CODE as index into omp_clause_num_ops array.
10831 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10833 PR rtl-optimization/26184
10834 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10836 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10837 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10838 must_precede, must_follow and tobe_scheduled.
10841 * opts.c (common_handle_option): Free new_option pointer.
10842 * df-core.c (df_analyze): Free postorder pointer.
10844 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10846 * Makefile.in: Fix the examples about the use of stamps
10848 2006-02-15 Michael Matz <matz@suse.de>
10850 PR middle-end/22275
10852 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10853 influenced by maximum_field_alignment or DECL_PACKED.
10854 (update_alignment_for_field): Ditto.
10855 (place_field): Ditto.
10856 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10859 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10861 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10862 (debug_flow_info): Pass it.
10863 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10864 * bb-reorder.c (reorder_basic_blocks): Likewise.
10865 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10866 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10867 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10868 * gcse.c (gcse_main, bypass_jumps): Likewise.
10869 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10870 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10871 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10872 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10873 * rtl.h (dump_flow_info): Adjust prototype.
10874 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10875 * var-tracking.c (variable_tracking_main): Likewise.
10876 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10877 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10880 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10882 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10885 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10887 PR tree-optimization/26209
10888 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10889 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10891 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10893 2006-02-14 Roger Sayle <roger@eyesopen.com>
10895 PR middle-end/23670
10896 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10897 (X,Y) and the corresponding symmetry related transformations.
10898 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10899 (X,Y) and its symmetry related transformations.
10901 2006-02-14 Roger Sayle <roger@eyesopen.com>
10903 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10906 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10908 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10910 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10913 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10914 support COMDAT group.
10915 * configure: Regenerate.
10917 2006-02-14 Roger Sayle <roger@eyesopen.com>
10919 PR middle-end/26279
10920 PR middle-end/26280
10921 PR middle-end/26283
10922 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10924 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10926 Fix PR tree-optimization/26260
10928 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10930 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10931 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10932 * tree-ssa-structalias.c (create_variable_info_for): Use
10933 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10935 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10937 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10939 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10940 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10941 of the ending condition.
10942 * tree-ssa-loop-manip.c: Include params.h.
10943 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10944 tree_unroll_loop): New functions.
10945 * tree-pass.h (pass_loop_prefetch): Declare.
10946 * loop.c (rest_of_handle_loop_optimize): Test for
10947 -fprefetch-loop-arrays-rtl.
10948 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10949 * timevar.def (TV_TREE_PREFETCH): New timevar.
10950 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10951 pass_loop_prefetch): New.
10952 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10953 (cleanup_tree_cfg_loop): Call scev_reset.
10954 * common.opt (fprefetch-loop-arrays-rtl): Add.
10955 * tree-ssa-loop-prefetch.c: New file.
10956 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10957 (new_temp_expr_table): Initialize expr_vars.
10958 (free_temp_expr_table): Cleanup expr_vars.
10959 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10960 expressions from being merged into one.
10961 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10962 (struct tree_niter_desc): Add control, bound and cmp fields.
10963 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10965 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10966 (tree-cfgcleanup.o): Add SCEV_H dependency.
10967 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10968 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10970 2006-02-14 Richard Guenther <rguenther@suse.de>
10972 PR tree-optimization/26258
10973 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10974 in PHI argument processing.
10976 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10978 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10979 new expression in the requested machine mode.
10981 2006-02-13 Roger Sayle <roger@eyesopen.com>
10983 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10984 directly, instead let do_compare_rtx_and_jump handle this for us.
10985 * expr.c (expand_expr_real_1): Likewise.
10986 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10987 before do_jump_by_parts_greater.
10988 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10989 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10991 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10993 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10995 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10997 PR rtl-optimization/26235
10998 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10999 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
11002 2006-02-13 Jeff Law <law@redhat.com>
11004 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
11007 2006-02-13 Jakub Jelinek <jakub@redhat.com>
11009 PR middle-end/26092
11010 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11011 twice if decl is a builtin. When trying again, call get_callee_fndecl
11012 first to verify it is still a builtin.
11014 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11016 * dwarf2out.c (base_type_die): Don't add AT_name here.
11017 (subrange_type_die): Don't add AT_name here.
11018 (modified_type_die): Rearrange code flow. Do add AT_name here.
11020 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11022 PR rtl-optimization/26247
11023 PR rtl-optimization/26248
11024 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11026 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11028 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11029 * config/fixtfdi.c: Likewise.
11030 * config/fixunstfdi.c: Likewise.
11031 * config/floatditf.c: Likewise.
11033 2006-02-13 Roger Sayle <roger@eyesopen.com>
11035 PR middle-end/24427
11036 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11037 into (X,C2) if C1 is a subset of the bits of C2. Transform
11038 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11040 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11042 2006-02-13 Josh Conner <jconner@apple.com>
11045 * varasm.c (function_section): Check for section name before
11046 calling select_section on targets that define
11047 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11048 unlikely_text_section instead of hot_function_section if
11049 first_function_block_is_cold.
11051 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11053 PR middle-end/25335
11054 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11056 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11058 PR rtl-optimization/26222
11059 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11060 after tree->rtl expansion.
11061 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11062 before passing it to emit_move_insn.
11064 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11066 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11068 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11069 Clarify documentation.
11070 * c-common.h (warn_write_strings): Remove.
11071 * c-common.c (warn_write_strings): Likewise.
11072 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11075 2006-02-12 Roger Sayle <roger@eyesopen.com>
11077 PR middle-end/25724
11078 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11079 (do_jump_parts_zero_rtx): New function renamed from
11080 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11081 (do_jump_parts_equality_rtx): New function split out from
11082 do_jump_parts_equality. Old implementation renamed as above.
11083 Call do_jump_parts_zero_rtx if either operand is zero.
11084 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11085 do all of the heavy lifting.
11086 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11087 calling either do_jump_by_parts_greater_rtx or
11088 do_jump_by_parts_equality_rtx.
11089 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11090 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11091 moved to do_compare_rtx_and_jump, call it directly.
11092 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11093 mode argument. Call do_compare_rtx_and_jump.
11094 (emit_case_nodes): Update calls to do_jump_if_equal.
11096 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11098 PR rtl-optimization/26225
11099 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11101 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11103 PR rtl-optimization/26232
11104 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11106 2006-02-11 Jason Merrill <jason@redhat.com>
11109 * tree-inline.c (declare_return_variable): Just don't use the
11110 modify target if it's a gimple complex reg and the return slot
11113 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11115 * doc/contrib.texi: Update my entry.
11117 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11119 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11121 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11123 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11126 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11128 * doc/invoke.texi (-floop-optimize2): Removed.
11129 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11130 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11131 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11132 * common.opt (floop-optimize2): Removed.
11133 (fmove-loop-invariants): Enabled by default.
11135 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11137 * tree-if-conv.c (combine_blocks): Free the result of
11138 get_loop_exit_edges.
11140 2006-02-10 Jeff Law <law@redhat.com>
11142 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11144 PR tree-optimization/26213
11145 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11146 loop trying to follow SSA_NAME_VALUE chains.
11148 2006-02-10 Richard Guenther <rguenther@suse.de>
11150 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11151 deal with structures that end in implicitly variable sized arrays.
11153 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11155 PR rtl-optimization/24762
11156 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11159 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11161 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11162 (struct ivopts_data): Add regs_used field.
11163 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11164 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11165 instead of loop_data->regs_used;
11166 (free_loop_data): Do not free aux fields for loops.
11167 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11168 and tree_ssa_iv_optimize_finalize.
11170 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11172 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11174 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11177 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11178 computing the effective result type.
11180 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11182 PR inline-asm/16194
11183 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11184 (tree_overlaps_hard_reg_set): Declare.
11185 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11186 type and signature to match function type expected by walk_tree.
11187 (tree_overlaps_hard_reg_set): New function.
11188 (decl_conflicts_with_clobbers_p): Rename to:
11189 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11190 Use tree_overlaps_hard_reg_set. Changed caller.
11191 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11192 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11193 * cris.c (cris_md_asm_clobbers): Likewise.
11195 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11197 * reload1.c (emit_input_reload_insns): Delete code that tries to
11198 inherit using find_equiv_reg.
11200 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11202 * c-common.h (flag_const_strings): Don't declare.
11203 * c-common.c (flag_const_strings): Remove.
11204 * c.opt (fconst_strings): Remove.
11205 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11206 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11207 (c_common_init_options): Don't set flag_const_strings.
11208 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11210 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11212 * arm.md (tlobits_cbranch): New pattern.
11213 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11214 testing a single bit.
11216 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11219 * tree-ssa-pre.c (create_component_ref_by_pieces):
11220 Handle RETURN_DECL like VAR_DECL.
11222 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11224 PR middle-end/26134
11225 * fold-const.c (fold_indirect_ref_1): Fold
11226 "*(foo *)&complexfoo" to "__real__ complexfoo"
11227 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11229 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11231 * tree-flow-inline.h (var_can_have_subvars):
11232 Volatile variables should not have subvariables.
11234 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11237 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11238 multiplying unsigned values.
11241 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11243 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11245 2006-02-08 Jason Merrill <jason@redhat.com>
11248 * tree.def: Elaborate on difference from MODIFY_EXPR.
11249 * doc/c-tree.texi (INIT_EXPR): Likewise.
11250 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11251 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11252 (gimplify_target_expr): Likewise.
11253 (gimplify_cond_expr): Remove target handling.
11254 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11255 (gimplify_expr): Clobber it here.
11256 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11257 Do return slot optimization if we have an INIT_EXPR.
11260 * tree-inline.c (declare_return_variable): Also clear
11261 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11264 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11266 PR middle-end/22439
11267 * gimplify.c (gimplify_one_sizepos): Fix typo.
11269 2006-02-08 Jeff Law <law@redhat.com>
11271 PR tree-optimization/21417
11272 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11273 across a backedge if the control statement at the end of the
11274 block is data dependent on other statements in the same block.
11275 (record_temporary_equivalences_from_stmts): Remove over-conservative
11276 test for threading across backedges.
11278 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11279 control statement, handle all three special cases in the same
11280 manner as they all have the same desired solution. No longer
11281 special case edge flag updating when the post dominator is
11284 2006-02-08 Roger Sayle <roger@eyesopen.com>
11286 * tree.def (CHAR_TYPE): Remove.
11287 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11288 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11289 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11290 (gen_string_type_die): Delete unreachable function.
11292 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11293 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11294 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11295 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11296 * builtins.c (type_to_class): Likewise.
11297 * fold-const.c (fold_convert, build_range_check,
11298 merge_ranges): Likewise.
11299 * expr.c (count_type_elements): Likewise.
11300 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11301 * stor-layout.c (layout_type): Likewise.
11302 * ipa-type-escape.c (type_to_consider): Likewise.
11303 * gimplify.c (omp_firstprivatize_type_sizes,
11304 gimplify_type_sizes): Likewise.
11305 * explow.c (promote_mode): Likewise.
11306 * tree-sra.c (is_sra_scalar_type): Likewise.
11307 * varasm.c (output_constant): Likewise.
11308 * tree-inline.c (remap_type_1): Likewise.
11309 * convert.c (convert_to_pointer, convert_to_real,
11310 convert_to_integer, convert_to_complex): Likewise.
11312 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11314 * df-scan.c (df_def_record_1): A set destination may
11315 be a parallel regardless of mode.
11317 2006-02-08 Roger Sayle <roger@eyesopen.com>
11320 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11321 * config/mips/_tilib.c: Remove.
11322 * config/fixtfdi.c: New libgcc source file.
11323 * config/fixunstfdi.c: New source file.
11324 * config/floatditf.c: New source file.
11325 * config/floatunditf.c: New souce file.
11326 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11327 files above instead of config/mips/_tilib.c.
11328 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11330 2006-02-08 Jeff Law <law@redhat.com>
11332 PR tree-optimization/26169
11333 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11336 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11338 * df.h (DF_REG_SIZE): Return the length of the initialized
11341 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11343 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11344 __muldf3): Return a correctly signed zero.
11346 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11348 * passes.c (register_one_dump_file): Accept the current properties
11349 instead of pass number. Adjust call to dump_register. Remove
11351 (register_dump_files): Now a wrapper around...
11352 (register_dump_files_1): ... this one. Do not modify the pass
11354 (next_pass_1): Cosmetic fix.
11355 (execute_todo): Keep second parameter only. Use curr_properties
11356 instead of fetching it from the pass structure. Check and set
11358 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11359 instead of fetching it from the pass structure. Fix calls to
11360 execute_todo. Update curr_properties and initialize .vcg RTL dump
11361 after running the pass. Reset last_verified.
11362 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11364 (FIRST_AUTO_NUMBERED_DUMP): New.
11365 (dump_register): Remove "num" parameter, assign it within the
11367 (get_dump_file_name): Modify template for dumps.
11368 * tree-dump.h (dump_register): Adjust prototype.
11369 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11370 (PROP_trees): Add PROP_gimple_lomp.
11371 (TODO_set_props): New.
11372 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11373 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11374 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11376 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11378 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11379 (sparc64-*-linux*): Likewise.
11380 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11381 * config/sparc/t-linux: New file.
11382 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11383 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11384 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11385 -m32 -mlong-double-128.
11387 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11388 * config/alpha/t-linux: New file.
11389 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11391 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11392 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11393 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11394 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11395 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11396 (CPP_ARCH32_SPEC): Remove.
11398 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11400 PR tree-optimization/26145
11401 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11404 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11407 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11408 >= 240000 when generating code for SOM runtime.
11409 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11410 to $$dyncall when generating code for SOM runtime..
11412 2006-02-07 Dirk Mueller <dmueller@suse.com>
11415 * doc/invoke.texi (-Wsequence-point): Update documentation
11416 that -Wsequence-point is implemented for C++ as well.
11418 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11420 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11421 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11422 (LIB_SPEC): Likewise.
11423 * doc/invoke.texi (SPARC options): Document -pthread.
11425 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11427 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11430 2006-02-07 Roger Sayle <roger@eyesopen.com>
11432 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11433 Correct comment describing BOOLEAN_TYPE.
11435 2006-02-07 Dirk Mueller <dmueller@suse.com>
11437 * c.opt: C++ frontend supports -Wdiv-by-zero.
11438 * c-opts.c (c_common_handle_option): Remove dead case.
11440 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11442 * configure.ac (TLS assembler check): Do not enable TLS by
11443 default on SPARC/Solaris before version 10.
11444 * configure: Regenerate.
11446 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11448 * doc/invoke.texi (xl-compat): Document conversion and support
11451 2006-02-07 Jeff Law <law@redhat.com>
11453 * tree-vrp.c (find_conditional_asserts): Update comments.
11454 (simplify_stmt_for_jump_threading): New.
11455 (identify_jump_threads, finalize_jump_threads): New.
11456 (vrp_finalize): Call identify_jump_threads.
11457 (execute_vrp): Call finalize_jump_threads.
11458 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11459 (vrp_element, vrp_data, vrp_element_p): Remove.
11460 (vrp_hash_elt, vrp_variables_stack): Remove.
11461 (vrp_hash, vrp_eq, record_range): Remove.
11462 (simplify_cond_and_lookup_avail_expr): Remove.
11463 (extract_range_from_cond): Remove.
11464 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11465 (simplify_stmt_for_jump_threading): New.
11466 (dom_thread_across_edge): New wrapper.
11467 (tree_ssa_dominator_optimize): No longer initialize or
11468 finalize any of the VRP datastructures. Remove iteration
11469 step and simplify as a result of removal of iteration step.
11470 (pass_dominator): Perform a cfg cleanup after DOM.
11471 (dom_opt_finalize_block): Use the new common routines
11472 for threading jumps. Simplify stack management slightly.
11473 No longer need to unwind VRP state.
11474 (record_equivalences_from_incoming_edge): No longer record
11476 (eliminate_redundant_computations): No longer call
11477 simplify_cond_and_lookup_avail_expr.
11478 * tree-flow.h (potentially_threadable_block): Prototype.
11479 (thread_across_edge): Likewise.
11480 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11481 (tree-ssa-threadedge.o): Add dependencies.
11482 * tree-ssa-threadedge.c: New file.
11483 * passes.c (init_optimization_passes): Merge PHIs before
11484 calling VRP. Run VRP again late in the SSA optimization pipeline.
11486 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11488 * df-core.c (df_set_blocks): Do not dereference function pointers.
11489 (df_finish1): Likewise.
11490 (df_hybrid_search_forward): Likewise.
11491 (df_hybrid_search_backward): Likewise.
11492 (df_iterative_dataflow): Likewise.
11493 (df_analyze_problem): Likewise.
11494 (df_compact_blocks): Likewise.
11495 (df_dump): Likewise.
11496 * df-scan.c (df_rescan_blocks): Likewise.
11497 (df_record_entry_block_defs): Likewise.
11499 * genconditions.c (write_conditions): Guard the definition of
11500 'insn_conditions' with the check on GCC version.
11501 (write_writer): Guard the traversal 'insn_conditions' with
11502 the check on GCC version.
11504 2006-02-07 Richard Guenther <rguenther@suse.de>
11508 2006-01-30 Richard Guenther <rguenther@suse.de>
11510 * gimplify.c (gimplify_target_expr): Handle easy cases
11511 without creating a temporary.
11513 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11515 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11516 use of float in probability computations. Use edge probabilities
11517 in place of statically computed probabilities.
11518 (min_spec_prob): New static variable.
11519 (schedule_insns): Initialize it.
11520 (GET_SRC_PROB): Removed.
11521 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11523 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11526 * config/ia64/unwind-ia64.c: Revert last change.
11527 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11528 (INCOMING_FRAME_SP_OFFSET): Define.
11530 2006-02-06 Roger Sayle <roger@eyesopen.com>
11532 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11534 2006-02-07 Ben Elliston <bje@au.ibm.com>
11536 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11537 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11538 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11539 (ix86_return_in_memory): Handle TDmode.
11540 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11541 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11543 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11545 * reorg.c (dbr_schedule): Use dump_file instead of file.
11547 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11550 * config/ia64/predicates.md (extr_len_operand): New predicate.
11551 * config/ia64/ia64.md (extv): Tighten constraints.
11553 (*tbit_and_2): Ditto.
11554 (*tbit_and_3): Ditto.
11555 (*tbit_or_2): Ditto.
11556 (*tbit_or_3): Ditto.
11557 (*bit_zero): Ditto.
11560 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11563 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11565 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11567 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11568 loop_optimizer_init and loop_optimizer_finalize
11569 * tree-ssa-sink.c (execute_sink_code): Ditto.
11570 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11571 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11572 tree_ssa_loop_done): Ditto.
11573 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11574 * sched-ebb.c: Include output.h.
11575 (schedule_ebbs): Do not use dump argument.
11576 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11577 * loop.c (loop_dump_stream): Removed.
11578 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11580 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11581 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11582 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11583 loop_iterations, strength_reduce, record_biv, record_giv,
11584 final_giv_value, check_final_value, check_ext_dependent_givs,
11585 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11586 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11587 dump_file instead of loop_dump_stream.
11588 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11589 argument dump_file.
11590 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11592 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11593 * haifa-sched.c: Include output.h
11594 (schedule_insns, sched_init): Do not use dump argument.
11595 * mode-switching.c (optimize_mode_switching): Ditto.
11596 * modulo-sched.c (stats_file): Removed.
11597 (print_node_sched_params): Do not call argument dump_file.
11598 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11599 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11601 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11603 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11604 rtl_loop_init, rtl_loop_done): Ditto.
11605 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11606 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11608 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11609 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11610 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11611 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11612 * emit-rtl.c (renumber_insns): Ditto.
11613 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11614 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11615 * regclass.c (regclass): Ditto.
11616 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11617 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11618 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11619 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11621 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11622 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11624 * gcse.c (gcse_file, debug_stderr): Removed.
11625 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11626 rest_of_handle_gcse): Do not use dump argument.
11627 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11628 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11629 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11630 compute_code_hoist_vbeinout, compute_code_hoist_data,
11631 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11632 compute_store_table, build_store_vectors, insert_insn_start_bb,
11633 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11634 store_motion): Use dump_file instead of gcse_file.
11635 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11636 * profile.c (profile_dump_file): Removed.
11637 (branch_prob): Use dump_file instead of profile_dump_file.
11638 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11640 * tree-ssa-copy.c (dump_copy_of): Ditto.
11641 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11642 dump file to life_analysis.
11643 * bt-load.c (branch_target_load_optimize): Ditto.
11644 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11646 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11647 regclass, dbr_schedule): Declaration changed.
11648 * sched-int.h (sched_init): Declaration changed.
11649 * tree-profile.c (tree_profile_dump_file): Removed.
11650 (tree_profile_hooks): Removed profile_dump_file hook.
11651 * rtl-profile (rtl_profile_dump_file): Removed.
11652 (rtl_profile_hooks): emoved profile_dump_file hook.
11653 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11655 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11656 * tree-cfg.c (build_tree_cfg): Ditto.
11657 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11658 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11659 Declaration changed.
11660 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11661 life_analysis and schedule_insns.
11662 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11664 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11666 * config/mips/mips.c (mips_reorg): Ditto.
11667 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11670 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11672 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11673 (s390_mangle_fundamental_type): New.
11674 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11677 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11678 (alpha_mangle_fundamental_type): New.
11679 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11682 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11684 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11686 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11687 (sparc_mangle_fundamental_type): New.
11689 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11691 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11692 (s390x-*-linux*): Likewise.
11693 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11694 * config/s390/t-linux: New file.
11696 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11698 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11699 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11701 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11703 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11704 (ANTIC_SAFE_LOADS): New macro.
11705 (find_or_generate_expression): Add prototype.
11706 (set_contains_value): Allow null set for sake of not always having
11707 to allocate ANTIC_SAFE_LOADS.
11708 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11709 Allow COMPONENT_REF too.
11710 (valid_in_set): Allow COMPONENT_REF.
11711 Check ANTIC_SAFE_LOADS too.
11712 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11713 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11715 (can_PRE_operation): Add COMPONENT_REF.
11716 (create_component_ref_by_pieces): New function.
11717 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11718 (insert_aux): Move AGGREGATE_TYPE_P check here.
11719 (compute_avail): Set bb local stmt uids.
11720 (pass_pre): Use TODO_update_ssa_only_virtuals.
11722 2006-02-06 Ben Elliston <bje@au.ibm.com>
11724 * configure.ac: Unconditionally disable decimal float by default.
11725 * configure: Regenerate.
11727 2006-02-06 Ben Elliston <bje@au.ibm.com>
11729 * read-rtl.c (read_name): Terminate reading on EOF.
11731 2006-02-06 Ben Elliston <bje@au.ibm.com>
11733 * dfp.c (decimal_real_arithmetic): Change second argument type
11734 from int to enum tree_code. Do not always return true, but now
11735 return result of any call to decimal_do helper functions.
11736 * dfp.h (decimal_real_arithmetic): Update prototype.
11738 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11740 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11742 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11745 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11748 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11750 * tree-vrp.c (cfg_loops): Removed.
11751 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11752 Use current_loops instead of cfg_loops. Pass flags to
11753 loop_optimizer_init.
11754 * cfgloopmanip.c (fix_loop_structure): Update only available
11756 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11757 loop_optimizer_init.
11758 * modulo-sched.c (build_loops_structure): Removed.
11759 (sms_schedule): Use loop_optimizer_init.
11760 * loop-init.c (loop_optimizer_init): Use flags to determine
11761 which properties of loops to prepare.
11762 (rtl_loop_init): Pass flags to loop_optimizer_init.
11763 * tree-ssa-sink.c (execute_sink_code): Ditto.
11764 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11765 * tree-ssa-pre.c (init_pre): Ditto.
11766 * cfgloop.h (LOOPS_NORMAL): New.
11767 (loop_optimizer_init): Declaration changed.
11769 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11771 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11772 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11774 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11776 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11778 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11779 * pa/t-pa64: Delete quadlib.c rule.
11780 * pa/x-ada: Revert last change.
11781 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11783 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11785 PR rtl-optimization/26087
11786 * rtlanal.c (canonicalize_condition): Do not cross basic block
11789 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11792 * config/ia64/ia64.c: Include debug.h.
11793 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11794 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11795 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11796 (process_epilogue, process_set, process_for_unwind_directive):
11797 Output unwind info only if requested. Add CFA info if requested.
11798 Add new arguments as needed. Adjust callers.
11799 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11801 (DWARF2_FRAME_INFO): Define to zero.
11802 * config/ia64/unwind-ia64.c: Remove code that compensated for
11803 the CFA offset error fixed above.
11804 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11805 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11806 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11807 -funwind-tables and -fexceptions to enable frame info.
11808 (dwarf2out_frame_init): Define initial CFA even if
11809 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11810 DWARF2_UNWIND_INFO is nonzero, not just defined.
11811 (dwarf2out_frame_finish): Output non-EH call frame info only
11812 if DWARF2_FRAME_INFO is nonzero.
11813 (convert_cfa_to_loc_list,
11814 compute_frame_pointer_to_cfa_displacement): Define even if
11815 unwind info is not supported.
11816 (gen_subprogram_die): Use the above unconditionally. Remove
11817 legacy alternate code.
11818 * toplev.c (compile_file): Compile in call to
11819 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11820 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11822 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11823 Jakub Jelinek <jakub@redhat.com>
11825 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11826 IBM extended float format long double as "g" on powerpc*-linux.
11828 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11831 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11832 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11834 2006-02-03 Jason Merrill <jason@redhat.com>
11837 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11839 PR middle-end/25977
11840 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11841 on the return slot if it's an NRV.
11843 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11845 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11846 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11847 rewrite_use): Do not handle USE_OUTER.
11848 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11849 add_iv_outer_candidates, may_replace_final_value,
11850 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11851 (find_interesting_uses_op): Functionality of
11852 find_interesting_uses_outer_or_nonlin moved here.
11853 (find_interesting_uses_outside): Use find_interesting_uses_op.
11855 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11858 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11860 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11861 Ulrich Weigand <uweigand@de.ibm.com>
11864 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11865 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11866 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11867 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11869 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11870 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11871 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11872 Define secondary reloads for TFmode moves.
11873 (constant_modes): Add TFmode.
11874 (NR_C_MODES): Set to 8.
11875 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11877 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11878 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11879 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11880 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11881 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11882 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11883 (FPR mode macro): Add TFmode.
11884 (DSF mode macro): New.
11885 (<de>, <dee> mode attributes): Removed.
11886 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11887 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11888 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11889 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11890 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11891 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11892 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11893 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11894 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11895 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11896 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11897 "*negabs<mode>2", "sqrt<mode>2"):
11898 Changed <de> to <xde>. R constraint replaced by <Rf>.
11899 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11901 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11902 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11903 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11905 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11906 "extenddftf2", "extendsftf2"): New expanders.
11907 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11908 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11909 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11910 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11912 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11913 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11914 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11915 __floatditf): Add a GCC_4.1.0 symbol version tag.
11916 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11919 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11922 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11923 Use targetm.binds_local_p instead of TREE_PUBLIC.
11925 2006-02-02 Roger Sayle <roger@eyesopen.com>
11927 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11928 on INTEGER_TYPEs to indicate that it denotes a character type.
11929 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11930 signed_char_type_node, unsigned_char_type_node and char_type_node.
11931 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11932 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11933 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11935 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11936 Daniel Berlin <dberlin@dberlin.org>
11938 * tree-tailcall.c (arg_needs_copy_p): New function.
11939 (eliminate_tail_call): Use arg_needs_copy_p.
11940 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11941 (add_virtual_phis): New function.
11943 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11945 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11946 #ignore instead of #scratch for %g7 .register directive.
11948 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11950 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11953 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11955 * flow.c (calculate_global_regs_live): Assert that there aren't any
11958 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11960 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11961 what its name says.
11962 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11963 bsi_after_labels iterator.
11964 * tree-if-conv.c (find_phi_replacement_condition,
11965 replace_phi_with_cond_modify_expr): Likewise.
11966 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11967 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11969 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11971 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11973 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11976 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11977 array after growing it.
11979 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11981 PR middle-end/24901
11982 * fold-const.c (fold_checksum_tree): Change type of buf.
11984 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11986 * reload.c (push_secondary_reload): Initialize t_icode.
11988 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11990 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11991 -msoft-float -mlong-double-128 only issue a warning, but don't
11992 swich to DFmode long double.
11994 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11996 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11997 has a constant equivalent, iterate over equivalents for arg0,
11998 calling simplify_relational_operation and if there's a result
11999 cheaper than X, apply fold_rtx and return the result.
12001 2006-02-01 Jan Hubicka <jh@suse.cz>
12003 * opts.c (no_unit_at_a_time_default): New global variable.
12004 (decode_options): Use it.
12005 * opts.h (no_unit_at_a_time_default): Declare.
12007 2006-02-01 Paul Brook <paul@codesourcery.com>
12009 * function.c (assign_parm_setup_reg): Use function argument promotion
12011 * expr.c (expand_expr_real_1): Use function argument promotion rules
12014 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12016 * gcc.c (process_command): Change j to 'unsigned int'.
12018 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12020 PR middle-end/26001
12021 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12022 Use the corrected index for the character
12023 out of the string constant.
12025 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12027 * mode-switching.c (optimize_mode_switching): Fix size
12028 allocated for bb_info[n_entities].
12030 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12032 * gcc.c (main): Correct type that is allocated for
12033 explicit_link_files.
12035 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12037 * config/s390/s390.c (init_alignment_context): Set
12038 ALIAS_SET_MEMORY_BARRIER on the MEM.
12039 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12041 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12043 PR middle-end/25933
12044 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12046 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12049 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12051 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12052 * regrename.c: Ditto.
12053 * tree-ssa-loop-im.c: Ditto.
12054 * tree-dump.c: Ditto.
12055 * tree-complex.c: Ditto.
12056 * genrecog.c: Ditto.
12057 * tree-ssa-threadupdate.c: Ditto.
12059 * java/class.c: Ditto.
12060 * java/jcf-parse.c: Ditto.
12061 * java/resource.c: Ditto.
12062 * java/except.c: Ditto.
12063 * java/jvspec.c: Ditto.
12064 * java/jcf-write.c: Ditto.
12065 * java/jcf-path.c: Ditto.
12066 * java/gjavah.c: Ditto.
12067 * java/zextract.c: Ditto.
12068 * java/jcf-io.c: Ditto.
12069 * java/jcf.h: Ditto.
12070 * java/buffer.c: Ditto.
12071 * java/lang.c: Ditto.
12072 * java/parse-scan.y: Ditto.
12073 * java/lex.c: Ditto.
12074 * java/lex.h: Ditto.
12075 * cfgloopmanip.c: Ditto.
12076 * postreload-gcse.c: Ditto.
12077 * tree-ssa-loop-manip.c: Ditto.
12078 * postreload.c: Ditto.
12079 * tree-ssa-loop-ch.c: Ditto.
12082 * cppspec.c: Ditto.
12083 * diagnostic.c: Ditto.
12085 * genoutput.c: Ditto.
12087 * cfghooks.c: Ditto.
12088 * cfgloopanal.c: Ditto.
12089 * objc/objc-act.c: Ditto.
12091 * genextract.c: Ditto.
12092 * genautomata.c: Ditto.
12093 * pretty-print.c: Ditto.
12094 * genemit.c: Ditto.
12095 * cgraphunit.c: Ditto.
12097 * df-scan.c: Ditto.
12098 * haifa-sched.c: Ditto.
12099 * dominance.c: Ditto.
12101 * tree-ssa-loop-ivopts.c: Ditto.
12102 * df-core.c: Ditto.
12103 * mode-switching.c: Ditto.
12104 * modulo-sched.c: Ditto.
12106 * ipa-pure-const.c: Ditto.
12108 * fix-header.c: Ditto.
12110 * tree-stdarg.c: Ditto.
12111 * ipa-utils.c: Ditto.
12112 * loop-init.c: Ditto.
12113 * ipa-inline.c: Ditto.
12114 * cfganal.c: Ditto.
12116 * alloc-pool.c: Ditto.
12117 * dwarf2out.c: Ditto.
12119 * genattrtab.c: Ditto.
12120 * tree-ssa-loop-ivcanon.c: Ditto.
12121 * predict.c: Ditto.
12122 * timevar.c: Ditto.
12124 * fortran/gfortranspec.c: Ditto.
12125 * regmove.c: Ditto.
12126 * local-alloc.c: Ditto.
12127 * langhooks.c: Ditto.
12128 * function.c: Ditto.
12129 * tree-vectorizer.c: Ditto.
12131 * ipa-type-escape.c: Ditto.
12133 * tree-if-conv.c: Ditto.
12134 * profile.c: Ditto.
12136 * tree-data-ref.c: Ditto.
12137 * loop-unroll.c: Ditto.
12138 * treelang/treetree.c: Ditto.
12140 * bt-load.c: Ditto.
12141 * ggc-common.c: Ditto.
12143 * coverage.c: Ditto.
12145 * tree-cfgcleanup.c: Ditto.
12146 * tree-ssa-pre.c: Ditto.
12147 * cfgcleanup.c: Ditto.
12148 * loop-invariant.c: Ditto.
12149 * loop-iv.c: Ditto.
12150 * ipa-prop.c: Ditto.
12151 * print-tree.c: Ditto.
12152 * conflict.c: Ditto.
12153 * ggc-page.c: Ditto.
12154 * sched-deps.c: Ditto.
12155 * regclass.c: Ditto.
12156 * tree-object-size.c: Ditto.
12157 * combine.c: Ditto.
12158 * bb-reorder.c: Ditto.
12159 * resource.c: Ditto.
12160 * var-tracking.c: Ditto.
12161 * cfgloop.c: Ditto.
12162 * df-problems.c: Ditto.
12163 * reg-stack.c: Ditto.
12165 * gccspec.c: Ditto.
12166 * sched-rgn.c: Ditto.
12167 * tree-ssa-structalias.c: Ditto.
12168 * tree-ssa-reassoc.c: Ditto.
12169 * config/darwin-c.c: Ditto.
12170 * config/darwin.c: Ditto.
12171 * config/arm/arm.c: Ditto.
12173 * collect2.c: Ditto.
12174 * reload1.c: Ditto.
12176 2006-01-31 Nicolas Pitre <nico@cam.org>
12178 * arm.md (smaxsi3): Make aware of smax_m1.
12181 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12183 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12185 2006-01-31 Richard Guenther <rguenther@suse.de>
12187 * doc/invoke.texi (-msselibm): Document.
12188 * target.h (expand_library_builtin): New target hook.
12189 * builtins.c (expand_builtin): Use expand_library_builtin.
12190 (default_expand_library_builtin): New function.
12191 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12192 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12193 (link_gcc_math_spec): Declare.
12194 (static_specs): Add link_gcc_math_spec.
12195 * expr.h (default_expand_library_builtin): Declare.
12196 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12197 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12198 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12199 * config/i386/i386.opt (msselibm): New target option.
12200 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12201 (ix86_init_sse_abi_builtins): New function.
12202 (ix86_expand_library_builtin): Likewise.
12203 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12204 (override_options): Handle error conditions wrt -msselibm.
12205 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12206 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12207 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12210 2006-01-31 Richard Guenther <rguenther@suse.de>
12211 Paolo Bonzini <bonzini@gnu.org>
12213 * doc/install.texi (--disable-libgcc-math): Document.
12215 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12217 * expr.h (expand_normal): new inline function.
12218 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12219 * dojump.c: use it.
12220 * dwarf2out.c: use it.
12223 * expmed.c: use it.
12224 * except.c: use it.
12225 * config/sparc/sparc.c: use it.
12226 * config/i386/i386.c: use it.
12227 * config/rs6000/rs6000.c: use it.
12228 * config/arm/arm.c: use it.
12229 * config/mips/mips.c: use it.
12230 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12232 2006-01-30 Roger Sayle <roger@eyesopen.com>
12234 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12235 argv to the appropriate type.
12237 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12239 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12242 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12245 * config/s390/s390.c (struct machine_function): New flag
12246 decomposed_literal_pool_addresses_ok_p.
12247 (s390_reorg): Set it before final stage of literal pool transforms.
12248 (s390_decompose_address): Only accept displacements of the form
12249 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12251 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12253 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12254 the comparison routine return.
12256 2006-01-30 Michael Matz <matz@suse.de>
12258 * global.c (find_reg): Only evict for global regs.
12259 Take n_refs into account and dump more info.
12261 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12264 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12265 (pragma_trap, pragma_nosave_low_regs): Likewise.
12266 (current_function_anonymous_args): Likewise.
12267 (sh_deferred_function_attributes): New variable.
12268 (sh_deferred_function_attributes_tail): Likewise.
12269 (print_operand): For '@', look up trap_exit attribute.
12270 (calc_live_regs): Look up trapa_handler attribute. For trapa
12271 handlers, save/restore fpscr, but don't do any other
12272 interrupt-specific saves.
12273 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12274 Fix check for partially saved registers to check for SHmedia.
12275 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12276 (sh_output_function_epilogue): Don't clear any of the removed
12278 (sh_insert_attributes): Don't check pragma_interrupt.
12279 Insert deferred attributes. Check that interrupt attribute is
12280 present for other attributes that require its presence.
12281 (sh_attribute_table): Add new attributes trapa_handler and
12283 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12284 Don't check for pragma_interrupt. Don't store argument.
12285 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12286 (sh_deferred_function_attributes): Declare.
12287 (sh_deferred_function_attributes_tail): Likewise.
12288 * sh.md (sp_switch_1): Add operand. Change generator caller.
12289 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12290 (*return_i): Don't use when trap_exit attribute is in effect.
12291 (*return_trapa): New insn pattern.
12292 * sh-c.c: New file.
12293 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12294 setting c_target_objs and cxx_target_objs.
12295 * t-sh: Add rule for sh-c.o.
12297 2006-01-30 Richard Guenther <rguenther@suse.de>
12300 * gimplify.c (gimplify_target_expr): Handle easy cases
12301 without creating a temporary.
12303 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12305 * vec.h (safe_grow): Remove duplicated line.
12307 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12310 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12311 (expand_omp): ... here.
12312 (expand_omp_parallel): Only remove barriers for combined
12313 parallel+workshare constructs.
12315 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12319 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12320 * tree.c (build_qualified_type): Chain the new type to the original
12321 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12322 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12323 (build_pointer_type_for_mode): Only return unqualified types.
12324 (build_reference_type_for_mode): Likewise.
12326 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12328 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12329 * Makefile.in (CXX_COMPAT_WARN): Define.
12330 * configure: Regenerate.
12332 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12335 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12338 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12340 * toplev.c: Fix thinko.
12342 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12343 Marcin Dalecki <martin@dalecki.de>
12345 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12346 (push_srcloc): Use XNEW.
12347 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12349 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12351 * df-core.c (df_set_blocks): Deleted all variable.
12353 2006-01-28 Ian Lance Taylor <ian@airs.com>
12355 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12356 cgraph_output_pending_asms.
12358 2006-01-28 Zack Weinberg <zackw@panix.com>
12360 * c.opt: Add -W(no-)overlength-strings.
12361 * doc/invoke.texi: Document it.
12362 * c-opts.c (c_common_handle_option): -pedantic implies
12363 -Woverlength-strings, if not explicitly disabled already.
12364 (c_common_post_options): -Woverlength-strings defaults to off, and
12365 is always off for C++.
12366 * c-common.c (fix_string_type): Issue warning about strings longer
12367 than is portable only if warn_overlength_strings. Rearrange code
12368 a little for clarity.
12369 * configure.in: Check for -Wno-overlength-strings as well before
12370 enabling -pedantic in stage 1.
12371 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12372 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12374 * genconditions.c (write_header, write_one_condition)
12375 (write_conditions, write_writer): Consolidate very long strings
12376 that were broken up to fit in C89 portable limit. Don't use
12377 printf when fputs will do.
12379 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12381 * combine.c (simplify_comparison <AND>): Check
12382 TRULY_NOOP_TRUNCATION before start using a subreg.
12384 * config/mips/mips.md (*branch_zero<mode>,
12385 *branch_zero<mode>_inverted, *branch_equality<mode>,
12386 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12387 Remove mode check from comparisons.
12389 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12391 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12393 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12395 * expmed.c (const_mult_add_overflow_p): Remove.
12396 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12398 * recog.c (validate_replace_rtx_subexp): Remove.
12399 * recog.h: Remove the prototype for
12400 validate_replace_rtx_subexp.
12402 * integrate.h: Remove the prototype for
12403 copy_decl_for_inlining.
12404 * rtl.h: Remove the prototype for mark_constant_function.
12405 * tree-vectorizer.h: Remove the prototype for
12406 vect_strip_conversion.
12408 * modulo-sched.c (create_partial_schedule,
12409 free_partial_schedule, reset_partial_schedule): Make them
12412 * hooks.c (hook_bool_rtx_int_false): Remove.
12413 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12415 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12417 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12418 and -mlong-double-128 are incompatible.
12419 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12420 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12421 (TARGET_LIBGCC2_CFLAGS): Define.
12422 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12423 (TARGET_LIBGCC2_CFLAGS): Same.
12424 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12426 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12429 * c-typeck.c (build_binary_op): Perform implicit casts of
12430 operands before shortening them.
12432 * cfgloopmanip.c (split_loop_bb): Remove.
12433 * cfgloop.h: Remove the prototype for split_loop_bb.
12435 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12436 * cfgloop.h: Remove the prototype for
12437 flow_loop_outside_edge_p.
12439 * emit-rtl.c (init_virtual_regs): Make it static.
12440 * function.h: Remove the prototype for init_virtual_regs.
12442 * recog.c (peephole2_optimize): Make it static.
12443 * recog.h: Remove the prototype for peephole2_optimize.
12445 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12447 * df-scan.c (df_record_entry_block_defs): Check if
12448 INCOMING_RETURN_ADDR_RTX is defined.
12450 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12451 Kenneth Zadeck <zadeck@naturalbridge.com>
12453 PR rtl-optimization/24762
12454 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12455 * targhooks.c (hook_void_bitmap): New hook prototype.
12456 * targhoohs.h (hook_void_bitmap): Ditto.
12457 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12458 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12459 * target.h (live_on_entry): New function pointer.
12460 * df-scan.c (df_all_hard_regs): Removed.
12461 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12462 (df_scan_free_internal): Added df->entry_block_defs.
12463 (df_scan_alloc): Ditto.
12464 (df_scan_dump): Ditto.
12465 (df_uses_record): Plumbed flag field properly thru calls.
12466 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12467 This part fixes PR24762.
12468 (df_bb_refs_record): Added code to make the frame and arg
12469 pointers live in EH blocks.
12470 (df_refs_record): Added call to df_record_entry_block_defs.
12471 (df_record_entry_block_defs): New function.
12472 * df-core.c: Added comments to describe new artifical defs.
12473 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12474 (entry_block_defs): New field in struct df.
12475 (df_all_hard_regs): Deleted.
12476 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12477 * df-problems.c (df_ru_bb_local_compute_process_def):
12478 Added code to handle artifical defs in the entry to a function.
12479 (df_ru_bb_local_compute): Ditto.
12480 (df_rd_bb_local_compute_process_def): Ditto.
12481 (df_rd_bb_local_compute): Ditto.
12482 (df_lr_bb_local_compute): Ditto.
12483 (df_ur_bb_local_compute): Ditto.
12484 (df_urec_bb_local_compute): Ditto.
12485 (df_chain_create_bb): Ditto.
12486 (df_ur_local_finalize): Removed entry.
12487 (df_urec_init): Ditto.
12488 (df_urec_local_finalize): Ditto.
12489 (df_ri_bb_compute): Added detection of last use of pseudos.
12490 * Makefile.in (df-scan.o): Updated dependencies.
12491 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12492 * config/mips/mips.c (mips_set_live_on_entry): Added.
12493 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12495 * dce.c (marked_insn_p): Added code to handle artifical defs.
12497 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12499 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12501 (_mm_cvtsi128_si64): Likewise.
12502 (_mm_cvtsd_si64): Likewise.
12503 (_mm_cvttsd_si64): Likewise.
12504 (_mm_cvtsi64_sd): Likewise.
12505 (_mm_cvtsi64_si128): Likewise.
12506 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12507 (_mm_cvtsi64_m64): Likewise.
12508 (_m_to_int64): Likewise.
12509 (_mm_cvtm64_si64): Likewise.
12510 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12511 (_mm_cvttss_si64): Likewise.
12512 (_mm_cvtsi64_ss): Likewise.
12513 (_mm_cvtss_f32): Likewise.
12515 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12517 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12518 for pragma redefine_extname.
12520 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12523 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12524 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12525 -mno-minimal-toc to previous content.
12526 (bispecs): Remove goal.
12527 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12528 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12529 compatibility aliases on powerpc-*-*gnu*.
12530 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12531 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12532 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12533 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12534 (ldblspecs): New goal.
12535 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12536 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12538 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12539 L_sf_to_tf or L_df_to_tf is defined.
12541 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12542 Alan Modra <amodra@bigpond.net.au>
12545 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12546 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12547 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12548 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12549 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12550 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12551 (rs6000_override_options): Initialize rs6000_ieeequad.
12552 Initialize TFmode format to ibm_extended_format if not
12554 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12556 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12557 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12558 (function_arg_advance): IBM long double passed in two FPRs, not
12560 (function_arg): IBM long double passed in FPRs.
12561 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12562 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12563 Only multireg GPR aligned.
12564 (rs6000_init_libfuncs): Enable IBM long double functions if not
12566 (rs6000_generate_compare): Use IBM long double compare if not
12568 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12569 (TARGET_IEEEQUAD): Define.
12570 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12571 not TARGET_IEEEQUAD.
12572 * config/rs6000/rs6000.md: Enable TFmode patterns if
12574 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12575 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12576 and -mlong-double-128 are incompatible.
12577 * doc/invoke.texi (-mabi): Collect options together. Add
12578 ibmlongdouble and ieeelongdouble.
12580 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12582 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12584 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12585 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12586 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12587 * rtl.h (rtunion_def): Remove rt_ptr.
12589 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12590 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12591 * config/i386/winnt.c (i386_pe_mark_dllexport)
12592 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12594 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12596 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12598 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12602 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12603 pthread_key_delete. From John David Anglin. gthrw-ify
12604 pthread_getunique_np only if it it's not a macro. Delete
12606 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12607 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12608 __gthread_objc_condition_signal, __gthread_key_delete): Add
12609 "__attribute__ ((__unused__))" to unused arguments.
12610 (__gthread_recursive_mutex_init_function): Add missing return.
12611 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12612 gthr-posix95.h: Use macro-based approach for name redirection
12613 on targets missing weakref.
12615 2006-01-26 Zack Weinberg <zackw@panix.com>
12617 * genconditions.c (write_header): In generated code, #ifdef out
12618 all includes and fake declarations, except includes of bconfig.h
12619 and system.h, unless GCC_VERSION >= 3001. Do not include
12620 gensupport.h in any case.
12621 (write_conditions): Generate a definition of struct c_test. Add
12622 a comment to the generated #endif.
12623 (write_one_condition): Escape backslashes in string too.
12624 (write_writer): Generated code must escape backslashes and quote
12625 marks (but not newlines) in the strings it writes.
12626 * Makefile.in (build/gencondmd.o): Update dependencies.
12628 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12631 * Makefile.in (insn-automata.o): Add header file dependencies.
12632 * genautomata.c: Add includes.
12634 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12637 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12639 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12641 * configure.ac: Expect target tools paths to be passed from the toplevel
12642 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12644 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12646 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12649 * c.opt (Wpointer-sign): Init to -1.
12650 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12651 OPT_pedantic, to 0 otherwise.
12652 * doc/invoke.texi: Update.
12654 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12656 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12657 constants provided by 80387 instructions in the destination mode.
12659 2006-01-26 Richard Guenther <rguenther@suse.de>
12660 Andrew Pinski <pinskia@physics.uc.edu>
12663 partial PR tree-opt/17064
12664 * tree-ssa-structalias.c (intra_create_variable_infos):
12665 Create heap variables for incoming parameters if
12666 flag_argument_noalias > 1.
12667 (find_what_p_points_to): Look through default defs of
12670 2006-01-26 Jeff Law <law@redhat.com>
12673 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12674 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12675 within the VR_RANGE, use the VR_RANGE as the result, not the
12677 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12678 bounds for the type.
12680 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12682 * tree-ssa-alias.c (maybe_create_global_var): Change
12683 subvar walking to an assertion that we don't have subvar'd variables.
12685 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12688 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12689 Use a new variable, inner. PARM_DECLs are always non-weak.
12691 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12693 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12694 --disable-checking.
12696 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12698 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12700 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12702 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12703 (smax_insn, smin_insn, smax_0, smin_0): New.
12705 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12708 * config/cris/cris.c (cris_order_for_addsi3): New function.
12709 * config/cris/cris-protos.h: Prototype it.
12710 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12711 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12712 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12713 (split for "op.S1 [rx=rx+i],ry (swapped)")
12714 (split for "op(s|u).S1 [rx=rx+i],ry")
12715 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12716 Apply cris_order_for_addsi3 when generating addsi3 insns.
12718 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12720 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12721 (TREE_BLOCK): Add call to EXPR_CHECK.
12723 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12726 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12727 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12728 (dump_omp_clauses): ... here.
12729 (dump_generic_node): Handle OMP_CLAUSE.
12730 * tree.c (omp_clause_num_ops): New.
12731 (omp_clause_code_name): New.
12732 (tree_code_size): Handle OMP_CLAUSE.
12733 (tree_size): Likewise.
12734 (make_node): Document handling of OMP_CLAUSE.
12735 (tree_node_structure): Handle OMP_CLAUSE.
12736 (omp_clause_check_failed): New.
12737 (omp_clause_range_check_failed): New.
12738 (omp_clause_operand_check_failed): New.
12739 (build_omp_clause): New.
12740 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12741 * tree.h (enum omp_clause_code): Declare.
12742 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12743 (OMP_CLAUSE_RANGE_CHECK): Define.
12744 (OMP_CLAUSE_ELT_CHECK): Define.
12745 (omp_clause_check_failed): Declare.
12746 (omp_clause_operand_check_failed): Declare.
12747 (omp_clause_range_check_failed): Declare.
12748 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12749 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12750 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12751 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12752 (OMP_CLAUSE_IF_EXPR): Likewise.
12753 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12754 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12755 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12756 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12757 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12758 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12759 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12760 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12761 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12762 (OMP_CLAUSE_CODE): Define.
12763 (OMP_CLAUSE_SET_CODE): Define.
12764 (OMP_CLAUSE_CODE): Define.
12765 (OMP_CLAUSE_OPERAND): Define.
12766 (struct tree_omp_clause): Declare.
12767 (union tree_node): Add field 'omp_clause'.
12768 * treestruct.def (TS_OMP_CLAUSE): Define.
12769 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12770 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12771 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12772 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12773 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12774 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12775 (OMP_CLAUSE): Define.
12776 * print-tree.c (print_node): Handle OMP_CLAUSE.
12777 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12778 * c-typeck.c: Likewise.
12779 * gimplify.c: Likewise.
12780 * c-omp.c: Likewise.
12781 * tree-nested.c: Likewise.
12782 * tree-inline.c: Likewise.
12783 * c-parser.c: Likewise.
12784 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12787 2006-01-25 Roger Sayle <roger@eyesopen.com>
12789 PR rtl-optimization/25703
12790 * combine.c (try_combine): Handle zero_extract and strict_low_part
12791 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12793 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12795 * global.c: Fix comment typos.
12797 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12800 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12801 Use output_addr_const instead of assemble_name.
12803 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12805 * Makefile.in (sched-vis.o): Update dependencies.
12806 * haifa-sched.c (sched_finish): Clear current_sched_info.
12807 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12808 (dump_flow_info): Call it.
12809 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12811 * basic-block.h (dump_bb_info): Declare.
12812 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12813 option, and apply options only for dump files whose TDF_RTL,
12814 TDF_TREE, or TDF_IPA bits match.
12815 * rtl.h: Declare new functions exported from sched-vis.c.
12816 * sched-vis.c: Enable also if scheduling is not used.
12817 (print_value): Print the mode of registers if not inside scheduling.
12818 (print_insn): Make it work outside the scheduler. Beautify the output
12820 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12822 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12824 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12825 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12826 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12827 depending on the value of CONSTANT_POOL_ADDRESS_P.
12828 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12830 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12831 rather than SYMBOL_REF_DECL.
12832 (rtx_constant_pool): Remove const_rtx_sym_htab.
12833 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12834 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12835 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12836 Remove handling of const_rtx_sym_htab.
12837 (find_pool_constant): Delete.
12838 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12839 rather than find_pool_constant.
12840 (get_pool_constant_for_function): Delete.
12841 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12842 find_pool_constant.
12843 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12844 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12845 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12846 (SYMBOL_REF_CONSTANT): New macro.
12847 (get_pool_constant_for_function): Delete.
12848 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12849 rather than SYMBOL_REF_DECL.
12850 (i386_pe_mark_dllimport): Likewise.
12851 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12852 rather than SYMBOL_REF_DECL.
12853 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12854 (machopic_indirect_call_target): Likewise.
12856 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12858 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12860 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12862 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12864 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12866 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12868 2006-01-24 David Daney <ddaney@avtrex.com>
12871 * configure.ac (enable_tls): New enable option.
12872 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12873 * configure: Regenerate.
12874 * doc/install.texi (--enable-tls): Document new option.
12875 (--disable-tls): Ditto.
12877 2006-01-24 Richard Henderson <rth@redehat.com>
12879 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12880 * alias.c (true_dependence): Respect it.
12881 (canon_true_dependence, write_dependence_p): Likewise.
12882 * builtins.c (get_builtin_sync_mem): Set it.
12884 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12886 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12889 2006-01-24 DJ Delorie <dj@redhat.com>
12891 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12892 for storing constants in single-bit bitfields.
12894 2006-01-25 Ben Elliston <bje@au.ibm.com>
12896 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12898 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12901 * tree-ssa-pre.c (phi_translate): Return NULL
12902 for AGGREGATE_TYPE's.
12904 2006-01-24 Zack Weinberg <zackw@panix.com>
12906 * genautomata.c (process_state_for_insn_equiv_partition):
12907 Use xcalloc for insn_arcs_array.
12908 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12909 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12911 2006-01-24 Richard Henderson <rth@redhat.com>
12913 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12914 update all callers.
12916 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12918 PR rtl-optimization/25890
12919 PR rtl-optimization/25905
12920 * combine.c (expand_compound_operation, expand_field_assignment):
12921 Fail if the bitfield's final position is out of bounds.
12923 2006-01-24 Ian Lance Taylor <ian@airs.com>
12925 PR middle-end/25930
12926 * cgraphunit.c (cgraph_output_in_order): Don't clear
12927 cgraph_asm_nodes until after asm strings have been output.
12929 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12931 * fix-header.c (read_scan_file): Add new parameter imultilib when
12932 calling register_include_chains.
12934 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12936 * omp-low.c: Update documentation.
12938 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12939 Daniel Berlin <dberlin@dberlin.org>
12943 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12944 return from the function.
12946 2006-01-22 Zack Weinberg <zackw@panix.com>
12948 * rtl.def (match_code): Add second argument.
12949 * genpreds.c (write_extract_subexp): New function.
12950 (write_match_code): Add path argument. Use write_extract_subexp.
12951 (write_predicate_expr): Pass path to write_match_code.
12952 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12953 not perform a mode test.
12954 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12955 a subexpression does not constrain the top-level code set.
12956 * read-rtl.c (read_rtx_variadic): New function.
12957 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12958 * doc/md.texi: Document new notation.
12959 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12960 (cmpsi_operand): ... here, using new notation.
12962 2006-01-22 Zack Weinberg <zackw@panix.com>
12964 * varray.c: Remove GENERATOR_FILE #ifdefs.
12966 2006-01-22 Zack Weinberg <zackw@panix.com>
12968 * genautomata.c (output_reserved_units_table): Emit nothing if
12969 description->query_units_num is zero. Remove extra blank line.
12970 (output_cpu_unit_reservation_p): Short circuit
12971 if description->query_units_num is zero.
12973 2006-01-22 Zack Weinberg <zackw@panix.com>
12975 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12976 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12977 nor any of the random handful of variables that used to be necessary
12978 when this program was linked with rtlanal.o. Prune set of forward
12979 function declarations.
12980 (struct attr_desc): Remove static_p field.
12981 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12982 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12983 (attr_string): Do not read the character one past the length of
12985 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12986 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12987 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12988 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12989 (make_automaton_attrs): New.
12990 (main): Do not call into genautomata. Call local gen_bypass
12991 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12992 Remove special case for insn_alts.
12993 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12994 varray.h (leftover from previous change). Prune set of forward
12995 function declarations. Remove state_alts fields from all
12996 structures. Remove state_alts_table from struct automaton.
12997 Make everything except main static. Do not maintain num_dfa_decls.
12998 Do not maintain state_alts fields of various structures.
12999 (process_decls): Don't validate condexp for dm_insn_reserv decls.
13000 (add_arc): Remove state_alts argument. All callers updated.
13001 (output_reserved_units_table): Emit #ifdef here...
13002 (output_tables): ...not here. Don't generate state_alts tables.
13003 (expand_automata): Don't generate attributes.
13004 (write_automata): Don't generate state_alts functions.
13005 (main): New function.
13006 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
13007 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
13008 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
13009 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
13010 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13011 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13012 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13013 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13015 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13016 * genattrtab.h: Delete file.
13017 * Makefile.in (OBJS-common): Add insn-automata.o.
13018 (insn-automata.o): New rule.
13019 (simple_generated_c): Add insn-automata.c.
13020 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13021 (genprogmd): Add automata.
13022 (build/genattrtab): Needs no extra objects nor libraries.
13023 (build/genautomata): Needs build/vec.o and -lm.
13025 2006-01-22 Zack Weinberg <zackw@panix.com>
13027 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13028 (output_dfa_max_issue_rate, locked_states_num): Delete.
13029 (struct automaton): Add locked_states field.
13030 (output_dead_lock_vect): Save number of locked states in
13031 automaton->locked_states. If it is zero, don't print anything.
13032 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13033 (output_internal_dead_lock_func): Only test the dead_lock_vect
13034 for automata that have locked states.
13035 (output_statistics): Always print the number of locked states for
13036 each automaton. Calculate total number of locked states here.
13037 (write_automata): Don't call output_dfa_max_issue_rate.
13038 * genattrtab.c: Define length_unit_log as a const variable.
13039 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13040 max_insn_queue_index const.
13041 * final.c (length_unit_log): Declare const.
13042 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13044 2006-01-22 Zack Weinberg <zackw@panix.com>
13046 * genautomata.c: Include vec.h, not varray.h.
13047 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13048 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13049 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13050 VEC_* macros operating on appropriately typed vectors, or to
13051 malloced arrays when the size is known in advance. Const-ify
13052 many char* variables and function arguments. No functional changes.
13053 * Makefile.in (build/varray.o): Delete rule.
13054 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13055 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13057 2006-01-22 Zack Weinberg <zackw@panix.com>
13059 * gensupport.c: Define get_insn_name and record_insn_name here.
13060 (read_md_rtx): Call record_insn_name as appropriate.
13061 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13062 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13063 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13065 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13066 (BUILD_VARRAY): Delete.
13067 (genprognormal): Rename genprogmd. Fold in all programs from
13068 genprognoprint; also attrtab.
13069 (build/genattrtab): Just mention genautomata.o and varray.o.
13070 Reorganize a bit, add comments to make the categories clearer.
13072 2006-01-22 Zack Weinberg <zackw@panix.com>
13074 * genconditions.c (condition_table, add_condition): Delete.
13075 (write_conditions): Don't emit n_insn_conditions nor
13076 insn_elision_unavailable. Issue the gcc version #ifdef here,
13077 inside the table, with no #else clause ...
13078 (write_header): ...not here.
13079 (write_writer): New function.
13080 (main): Don't initialize condition_table. Use add_c_test.
13082 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13083 files on the command line.
13084 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13085 Return -1 if there is no entry in the table, don't abort.
13086 (add_c_test, traverse_c_tests): New functions.
13087 * gensupport.h (insn_elision_unavailable, insn_conditions)
13088 (n_insn_conditions): Delete declarations.
13089 (add_c_test, traverse_c_tests): Declare.
13090 * read-rtl.c: Include gensupport.h.
13091 (read_conditions): New function.
13092 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13093 (read_rtx_1): If we get EOF when we were looking for an initial
13094 open paren, return 0. Call read_conditions when appropriate.
13095 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13096 dummy-conditions.o. Eliminate references to insn-conditions.o,
13097 or change them to build/gencondmd.o, as appropriate. Remove
13098 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13099 from $(simple_generated_c). For all files remaining in those
13100 two lists, add insn-conditions.md to the generator command line.
13101 Give insn-constants.h/s-constants their own rules. Add rules
13102 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13103 (build/read-rtl.o): Depend on gensupport.h.
13104 (genprognormal): Include preds.
13105 (genprogearly): Rename genprognoprint; only difference is now that
13106 they don't link with $(BUILD_PRINT).
13107 * dummy-conditions.c: Delete.
13109 2006-01-22 Zack Weinberg <zackw@panix.com>
13111 * genextract.c: Don't include insn-config.h. Do include vec.h.
13112 Declare vectors of int, char, and locstr.
13113 (locstr): New typedef.
13114 (struct extraction): Make all array fields into bare pointers.
13115 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13116 (insn_code_number): Delete.
13117 (accum_extract): New struct.
13118 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13119 (gen_insn): Take insn_code_number as an argument. Use an
13120 accum_extract structure instead of loading data directly into
13121 a struct extraction, and having to know how big it might get.
13122 (walk_rtx): Operate entirely on an accum_extract structure.
13123 (print_path): Avoid unnecessary use of printf.
13124 (print_header): New function, split out of main. Distinguish
13125 more carefully between an unrecognizable insn and an insn that
13126 has the code number of a define_expand.
13127 (main): Pass insn_code_number to gen_insn. Call print_header
13128 only after parsing. Avoid unnecessary use of printf.
13129 * Makefile.in (build/vec.o): New rule.
13130 (build/genextract): Depend on build/vec.o.
13131 (build/genextract.o): Don't depend on insn-config.h.
13133 2006-01-22 Zack Weinberg <zackw@panix.com>
13135 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13136 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13137 practical. Eliminate per-generator-program link rules.
13139 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13141 PR middle-end/24437
13142 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13143 with a call expr to ...
13144 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13146 2006-01-23 Richard Guenther <rguenther@suse.de>
13148 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13149 before make_edge with conditional EDGE_TRUE_VALUE.
13151 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13152 Jan Hubicka <jh@suse.cz>
13153 Richard Guenther <rguenther@suse.de>
13155 PR rtl-optimization/25654
13156 * cfgexpand.c (aggregate_contains_union_type): New function.
13157 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13158 for structure variables that contain a union type.
13160 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13162 * gengtype.c (new_structure): Return the structure.
13163 (create_option): Add an extra "next" argument.
13164 (create_field): New function.
13165 (adjust_field_rtx_def): Use create_option and create_field.
13166 Remove a now-unnecessary call to find_structure.
13167 (adjust_field_tree_def): Likewise.
13168 (note_yacc_type): Remove an unnecessary call to find_structure.
13169 * gengtype.h (new_structure): Return the structure.
13170 (create_option): Add an extra argument.
13171 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13172 (option): Adjust calls to create_option.
13174 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13176 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13178 2006-01-22 Paul Brook <paul@codesourcery.com>
13179 Peter Barada <peter@the-baradas.com>
13181 * config/m68k/m68k.md: Add Coldfire FPU support.
13182 Define FP mode macro and associated attributes.
13183 Use it for float mode patterns.
13184 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13185 (LIBCALL_VALUE): Use m68k_libcall_value.
13186 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13187 (m68k_function_value): Ditto.
13188 (emit_move_sequence): Ditto.
13189 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13190 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13191 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13192 (MULTILIB_EXCEPTIONS): Ditto.
13193 * config/m68k/m68k.opt: Add mcfv4e.
13194 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13195 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13196 (m68k_output_function_prologue): Save ColdFire FPU registers.
13197 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13198 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13199 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13200 ColdFire FPU registers.
13201 (m68k_libcall_value, m68k_function_value): New functions.
13202 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13203 (LIBCALL_VALUE): Use m68k_libcall_value.
13204 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13205 (MASK_COLDFIRE): Add MASK_CFV4E.
13206 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13207 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13208 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13209 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13210 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13211 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13212 * doc/invoke.tex: Document -mcfv4e on m68k.
13214 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13216 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13219 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13222 * c-opts.c (c_common_handle_option): Don't include
13223 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13224 * doc/invoke.texi (C++ Dialect Options): Document that
13225 -Wnon-virtual-dtor is no longer included in -Wall.
13227 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13229 * gcov.c (print_version), gcov-dump.c (print_version),
13230 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13233 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13235 * df-scan.c (problem_SCAN): Added NULL reset function.
13236 (df_scan_reset_blocks): Added code to call reset block function
13237 (df_bb_refs_delete) Fixed comment.
13238 (df_insn_refs_delete): Made tolerant of deleting non existent info
13239 for dataflow problems that need to be reset.
13240 * df-core.c (df_set_blocks): Ditto.
13241 * df.h (struct df_problem): Added reset_fun.
13242 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13243 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13244 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13245 functions to clear out all references to def-use or use-def chains.
13247 2006-01-21 Ben Elliston <bje@au.ibm.com>
13249 * varasm.c (assemble_real): Initialise data array.
13251 2006-01-20 Paul Brook <paul@codesourcery.com>
13253 Merge from csl-arm-branch.
13254 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13255 * config/arm/arm.md (movdi): Force operands[1] to a register
13256 if we have a non-register source.
13257 (*arm_movdi, *movdf_soft_insn): Require that one of the
13258 operands be a register.
13259 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13260 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13262 2006-01-20 DJ Delorie <dj@redhat.com>
13264 * varasm.c (initializer_constant_valid_p): Allow pointers
13265 initialized from integer constants of lesser precision.
13266 (output_constant): Allow non-int-sized pointer modes to be
13267 initialized from integer constants.
13269 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13272 * cppdefault.h (struct default_include): Add multilib flag.
13273 * cppdefault.c (cpp_include_defaults): Set it.
13274 * c.opt (-imultilib): New option.
13275 * c-opts.c (imultilib): New.
13276 (c_common_handle_option): Handle -imultilib.
13277 (c_common_post_options): Likewise.
13278 * c-incpath.c (add_standard_paths, register_include_chains):
13280 * c-incpath.h (register_include_chains): Add extra parameter.
13281 * gcc.c (do_spec_1): Generate -imultilib option.
13282 (The Specs Language): Update %I description.
13283 (process_command): Update copyright notice.
13284 * doc/cppopts.texi (-imultilib): Document.
13285 * doc/invoke.texi (-imultilib): Include in option summary.
13286 (%I): Update specs documentation.
13288 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13290 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13292 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13294 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13297 2006-01-20 Richard Guenther <rguenther@suse.de>
13298 Steven Bosscher <stevenb.gcc@gmail.com>
13300 PR rtl-optimization/24626
13301 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13302 EDGE_TRUE_VALUE if in RTL mode.
13305 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13306 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13308 2006-01-20 Dirk Mueller <dmueller@suse.com>
13311 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13312 instead of a special NOP marker.
13313 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13314 NOP marker handling.
13315 * c-common.h (empty_body_warning): Add forward declaration.
13316 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13317 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13319 2006-01-20 Paul Brook <paul@codesourcery.com>
13321 * Makefile.in (lang_checks): Keep going if mkdir fails.
13323 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13325 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13326 be able to clean out basic block when not necessary.
13327 (df_scan_free): Fixed to properly delete information if df is
13328 unused before calling df_finish.
13329 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13330 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13332 (df_bb_refs_delete): New function.
13333 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13334 * df-core.c (df_set_blocks): Added code to properly clean out
13335 unused blocks if they are not part of the blocks to consider.
13336 Added additional null check.
13337 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13338 be able to clean out basic block when not necessary
13339 * df.h (df_free_bb_function): Ditto.
13340 (df_bb_refs_delete): New function.
13341 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13342 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13343 basic block parameter to be able to clean out basic block when not
13345 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13346 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13347 Fixed to properly delete information if df is unused before
13350 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13352 PR rtl-optimization/25799
13353 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13354 Corrected confluence operator to remove bits from op2 before oring
13355 with op1 rather than removing bits from op1.
13356 (df_ru_transfer_function): Corrected test on wrong bitmap which
13357 caused infinite loop. Both of these problems were introduced in
13358 the dataflow rewrite.
13360 2006-01-19 DJ Delorie <dj@redhat.com>
13362 * reload1.c (find_reload_regs): Note the details of reload
13363 failures in the dump file.
13364 (spill_failure): Likewise.
13366 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13368 * loop-iv.c: Include df.h and hashtab.h.
13369 (enum iv_grd_result): New enum.
13370 (DF_REF_IV, DF_REF_IV_SET): New macros.
13371 (struct biv_entry): New.
13372 (df, bivs): New global variables.
13373 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13374 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13376 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13377 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13378 analyzed_for_bivness_p, record_biv): New functions.
13379 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13380 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13381 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13383 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13385 (iv_number_of_iterations): Use new interface to iv analysis.
13386 * loop-unroll.c: Do not include varray.h.
13387 (analyze_iv_to_split_insn): Use new interface to iv
13389 * loop-unswitch.c (may_unswitch_on): Ditto.
13390 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13392 (df_bb_modify): Realloc tables to the new index.
13393 (df_find_use): New function.
13394 * df.h (df_find_use): Declare.
13395 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13397 * cfgloop.h (struct rtx_iv): Remove analysed field.
13398 (iv_get_reaching_def): Removed.
13399 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13400 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13401 (loop-iv.o): Add df.h and hashtab.h dependency.
13402 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13404 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13407 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13409 (__floatundisf, __floatundidf): Likewise.
13410 * libgcc2.h (IS_IBM_EXTENDED): Define.
13412 2006-01-19 DJ Delorie <dj@redhat.com>
13414 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13416 2006-01-19 Paul Brook <paul@codesourcery.com>
13418 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13419 as nothrow when unwinding tables are disabled.
13421 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13424 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13425 of bit-field" when in system header.
13427 2006-01-19 DJ Delorie <dj@redhat.com>
13429 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13430 the 16 bit shift limit of the m16c.
13432 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13435 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13436 * config/i386/i386.c (output_set_got): Output the label if we have one
13437 for the TARGET_DEEP_BRANCH_PREDICTION case.
13439 2006-01-19 Jan Hubicka <jh@suse.cz>
13440 H.J. Lu <hongjiu.lu@intel.com>
13441 Evandro Menezes <evandro.menezes@amd.com>
13443 * invoke.texi (generic): Document
13445 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13446 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13447 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13448 (x86_use_incdec, x86_pad_returns): New variables
13449 (TARGET_CPU_DEFAULT_generic): New constant
13450 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13451 (enum processor_type): Add generic32 and generic64.
13452 * i386.md (cpu attribute): Add generic32/generic64
13453 (movhi splitter): Behave sanely when both partial_reg_dependency and
13454 partial_reg_stall are set.
13455 (K8 splitters): Enable for generic as well.
13456 * predicates.md (incdec_operand): Use TARGET_INCDEC
13457 (aligned_operand): Avoid memory mismatch stalls.
13458 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13459 * ppro.md: Enable for generic32
13460 * i386.c (generic64_cost, generic32_cost): New.
13461 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13462 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13463 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13464 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13465 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13466 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13467 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13468 x86_accumulate_outgoing_args, x86_prologue_using_move,
13469 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13470 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13471 Enable for generic.
13472 (x86_use_incdec, x86_pad_returns): New.
13473 (override_options): Add generic32 and generic64, translate "generic"
13474 to generic32/generic64 and "i686" to "generic32", refuse
13475 "generic32"/"generic64" as arch target.
13476 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13477 (ix86_reorg): Honor PAD_RETURNS.
13479 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13481 * tree-pretty-print.c (dump_generic_node): Handle
13482 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13483 * cgraph.c (cgraph_expand_queue): Rename from
13484 cgraph_analyze_queue. Update all users.
13485 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13486 cgraph_expand_queue.
13487 (cgraph_expand_all_functions): Likewise.
13488 (cgraph_finalize_pending_functions): Remove. Update callers.
13490 * tree.h (OMP_DIRECTIVE_P): Define.
13491 (OMP_PARALLEL_FN): Define.
13492 (OMP_PARALLEL_DATA_ARG): Define.
13493 (OMP_SECTIONS_SECTIONS): Define.
13494 * tree-pass.h (pass_expand_omp): Declare.
13495 * omp-low.c (struct omp_region): Declare.
13496 (struct omp_context): Remove fields 'parallel_type',
13497 'parallel_start_ix' and 'parallel_start_additional_args'.
13499 (struct omp_for_data): Rename from struct expand_omp_for_data.
13500 (omp_regions): New static variable.
13501 (root_omp_region): New static variable.
13502 (find_omp_clause): Make static.
13503 (is_in_combined_parallel_ctx): Remove.
13504 (is_combined_parallel): New.
13505 (extract_omp_for_data): Move earlier in the file.
13506 (workshare_safe_to_combine_p): New.
13507 (get_ws_args_for): New.
13508 (determine_parallel_type): Move earlier in the file.
13509 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13511 (omp_copy_decl): Likewise.
13512 (create_omp_child_function): Likewise.
13513 (lookup_omp_region): New.
13514 (dump_omp_region): New.
13515 (debug_omp_region): New.
13516 (debug_all_omp_regions): New.
13517 (new_omp_region): New.
13518 (scan_omp_parallel): If parallel_nesting_level > 1, the
13519 directive is nested within another parallel directive.
13520 Set OMP_PARALLEL_FN.
13521 (scan_omp_for): Do not try to handle combined parallel+for
13523 Remove FIXME comment.
13524 (scan_omp_nested): Remove.
13525 (scan_omp_1): Do not call scan_omp_nested when
13526 parallel_nesting_level is > 1.
13527 Do not change the DECL_CONTEXT of local variables found.
13528 (lookup_decl_in_outer_ctx): New.
13529 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13530 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13531 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13532 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13533 If CTX is nested, lookup VAR in the outer context when
13534 building copy assignment.
13535 (lower_send_clauses): Rename from expand_send_clauses.
13536 If CTX is nested, lookup VAR in the outer context when
13537 building copy assignments.
13538 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13539 If CTX is nested, lookup VAR in the outer context when
13540 building copy assignments.
13541 (expand_parallel_call): Rename from build_parallel_call.
13542 Handle combined parallel+workshare cases.
13543 Re-implement to emit code into the CFG.
13545 (expand_omp_parallel): Re-implement to emit code into the CFG.
13546 Call move_sese_region_to_fn to outline the sub-graph
13547 containing the parallel region.
13548 (expand_omp_for_1): Remove.
13549 (expand_omp_for_generic): Re-implement to emit code into the
13551 (expand_omp_for_static_nochunk): Likewise.
13552 (expand_omp_for_static_chunk): Likewise.
13553 (expand_omp_for): Likewise.
13554 (expand_omp_sections): Likewise.
13555 (remove_exit_barriers): New.
13556 (expand_omp_synch): New.
13558 (build_omp_regions_1): New.
13559 (build_omp_regions): New.
13560 (execute_expand_omp): New.
13561 (gate_expand_omp): New.
13562 (pass_expand_omp): Define.
13563 (lower_omp_sections): Rename from expand_omp_sections.
13564 Set OMP_SECTIONS_SECTIONS.
13565 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13566 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13567 (lower_omp_single): Rename from expand_omp_simple.
13568 (lower_omp_master): Rename from expand_omp_master.
13569 (lower_omp_ordered): Rename from expand_omp_ordered.
13570 (lower_omp_critical): Rename from expand_omp_critical.
13571 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13572 (lower_omp_for): Re-implement.
13573 (lower_omp_parallel): Re-implement.
13574 (lower_regimplify): Rename from expand_regimplify.
13575 (lower_omp_1): Rename from expand_omp_1.
13576 If there are syntax errors in the program, replace every
13577 OpenMP directive with NOP.
13578 Call lower_omp_* instead of expand_omp_*.
13579 (lower_omp): Rename from expand_omp.
13581 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13582 * tree-gimple.h (enum omp_parallel_type): Remove.
13583 (gimple_boolify): Declare extern.
13584 (find_omp_clause, determine_parallel_type): Remove.
13586 * gimple-low.c (lower_omp_directive): New.
13587 (lower_stmt): Call it.
13588 (record_vars_into): Move from ...
13589 (record_vars): ... here.
13590 Call record_vars_into with current_function_decl.
13592 * gimplify.c (struct gimplify_ctx): Remove fields
13593 combined_pre_p and combined_ctxp. Update users.
13594 (get_formal_tmp_var): Add documentation.
13595 (gimple_boolify): Make extern.
13596 (gimplify_expr_in_ctx): Remove. Update callers.
13597 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13598 will always be a BIND_EXPR.
13599 (gimplify_expr): Handle OMP_RETURN_EXPR.
13600 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13601 (OMP_PARALLEL): Add 3 operands.
13602 (OMP_SECTIONS): Add 1 operand.
13603 (OMP_RETURN_EXPR): Define.
13605 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13606 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13607 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13608 creating a circular free list.
13609 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13611 * tree-flow.h (move_sese_region_to_fn): Declare.
13612 (record_vars_into): Declare.
13613 * tree-cfg.c (make_omp_sections_edges): New.
13614 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13615 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13616 OMP_SECTIONS and OMP_SECTION.
13617 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13618 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13619 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13620 (gather_blocks_in_sese_region): New.
13621 (struct move_stmt_d): Declare.
13622 (move_stmt_r): New.
13623 (move_block_to_fn): New.
13624 (move_sese_region_to_fn): New.
13626 * passes.c (init_optimization_passes): Schedule
13627 pass_expand_omp after pass_init_datastructures.
13629 * tree-ssa-operands.c (get_expr_operands): Handle
13630 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13631 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13633 2006-01-19 Jeff Law <law@redhat.com>
13635 * tree-vrp.c (extract_range_from_assert): Refine the result range
13636 if the variable referenced by the ASSERT_EXPR has a range and
13637 either the tentative result range or the previous range is a
13640 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13642 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13644 2006-01-19 Jan Hubicka <jh@suse.cz>
13646 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13648 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13650 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13651 (expand_compound_operation, expand_field_assignment): Fail if the
13652 bit lengths of an extract operation are out of range.
13653 (make_extraction): Compute wanted_inner_mode based on the position
13654 and length of the extraction. Make it extraction_mode for non-constant
13655 positions, and do not modify offset in that case. When generating a
13656 new MEM, use a mode that can hold the extraction while keeping correct
13657 alignment. Remove code that supported MEMs wrapped by USEs.
13658 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13660 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13662 * config/s390/s390.md ("Y", "y"): New mode attribute.
13663 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13664 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13665 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13666 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13667 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13668 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13669 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13670 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13671 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13672 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13673 "addsi3", "subsi3"): Insn patterns removed.
13674 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13675 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13676 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13677 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13678 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13679 "*sub<mode>3_cconly2"): New insn patterns.
13680 ("addsi3", "subsi3"): New expanders.
13682 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13684 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13685 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13686 existing STMT_VINFO_VECTYPE if available.
13687 (vect_mark_relevant): Add special handling for stmts that are
13688 marked as STMT_VINFO_IN_PATTERN_P.
13689 (vect_analyze_loop): Call vect_pattern_recog.
13690 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13691 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13693 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13694 (vect_recog_func_ptr): New function-pointer type.
13695 * tree-vect-patterns.c: New file.
13696 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13697 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13698 (vect_pattern_recog_1): New functions.
13699 (vect_pattern_recog_funcs): New array of function pointers.
13701 * tree-vectorizer.h (ternary_op): New enum value.
13702 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13703 declaration. Revised documentation. Removed redundant dump prints.
13704 Removed redundant argument. Added support for reduction patterns.
13705 (vectorizable_reduction): Added support for reduction patterns.
13706 (vect_transform_stmt): Added support for patterns.
13708 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13709 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13710 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13711 (expand_widen_pattern_expr): New function.
13712 (init_optabs): Initialize new optabs udot_prod_optab,
13714 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13715 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13716 (expand_widen_pattern_expr): New function declaration.
13717 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13719 * tree-inline.c (estimate_num_insns_1): Added cases for new
13720 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13721 * tree-pretty-print.c (dump_generic_node): Likewise.
13722 (op_prio): Likewise.
13723 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13724 * tree-ssa-operands.c (get_expr_operands): Added case for
13726 * tree-vect-patterns.c (widened_name_p): New function.
13727 (vect_recog_dot_prod_pattern): Added function implementation.
13728 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13729 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13730 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13731 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13733 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13734 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13735 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13736 (init_optabs): Initialize new optabs widen_ssum_optab,
13738 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13739 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13740 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13741 use instead of type of def.
13742 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13743 function implementation.
13744 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13745 widen_ssumv8hi): New.
13747 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13750 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13753 * c-decl.c (add_flexible_array_elts_to_size): New function.
13754 (finish_decl): Use it.
13756 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13758 * diagnostic.h: Include options.h.
13759 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13760 dependancies for diagnostic.h.
13761 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13763 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13765 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13766 (ssa_ro_call_cache_valid): Ditto.
13767 * tree-ssa-alias.c (sort_tags_by_id): New function.
13768 (init_transitive_clobber_worklist): Ditto.
13769 (add_to_worklist): Ditto.
13770 (mark_aliases_call_clobbered): Ditto.
13771 (compute_tag_properties): Ditto.
13772 (set_initial_properties): Ditto.
13773 (compute_call_clobbered): Ditto.
13774 (compute_may_aliases): Call compute_call_clobbered and grouping.
13775 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13776 (compute_flow_insensitive_aliasing): Grouping now happens in our
13778 (setup_pointers_and_addressables): Remove clobbering related code.
13779 (add_may_alias): Ditto.
13780 (replace_may_alias): Ditto.
13781 (get_nmt_for): Ditto.
13782 (create_global_var):
13783 (is_escape_site): Return an escape_type enumeration.
13784 * tree-flow-inline.h (is_call_clobbered): Global var does not
13785 imply call clobbered.
13786 (mark_call_clobbered): Take a reason for marking this. Remove
13787 marking of globalness, and cache invalidation.
13788 (clear_call_clobbered): Remove cache invalidation code.
13789 * tree-dfa.c (dump_variable): If details is on, dump the reason
13791 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13793 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13794 (struct var_ann_d): Ditto.
13795 (enum escape_type): New.
13796 (mark_call_clobbered): Adjust prototype.
13797 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13798 are never call clobbered.
13799 Record reasons for escaping.
13800 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13801 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13802 (ssa_ro_call_cache_valid): Ditto.
13803 (clobbered_v_may_defs): Ditto.
13804 (clobbered_vuses): Ditto.
13805 (ro_call_vuses): Ditto.
13806 (clobber_stats): New.
13807 (init_ssa_operands): Zero out clobber stats.
13808 (fini_ssa_operands): Print out clobber stats.
13809 (get_call_expr_operands): Pass callee fndecl to
13810 add_call_read_ops).
13811 (add_call_clobber_ops): Remove use of cache.
13812 Add use of PURE_CONST information.
13813 (add_call_read_ops): Remove use of cache.
13814 Add use of static not_read information.
13816 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13818 Introduce TLS descriptors for i386 and x86_64.
13819 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13820 (TARGET_ANY_GNU_TLS): New macro.
13821 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13822 (struct machine_function): Add tls_descriptor_call_expanded_p.
13823 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13824 (ix86_current_function_calls_tls_descriptor): Likewise.
13825 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13826 (override_options): Introduce gnu2 tls dialect.
13827 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13829 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13831 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13832 (ix86_init_machine_status): Initialize new field.
13833 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13834 (ix86_tls_module_base): New.
13835 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13836 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13837 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13838 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13839 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13840 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13841 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13842 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13843 * config/i386/predicates.md (tls_modbase_operand): New.
13844 (tp_or_register_operand): New.
13846 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13848 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13849 (look_for_address_of): Ditto.
13850 (ipa_init): Walk the function decls.
13851 (static_execute): Don't set readonly on FUNCTION_DECL's.
13853 2006-01-18 Roger Sayle <roger@eyesopen.com>
13855 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13856 for shifts where the source and destination registers are different.
13858 2006-01-18 Paul Brook <paul@codesourcery.com>
13860 Merge from csl-arm-branch.
13861 2005-03-14 Julian Brown <julian@codesourcery.com>
13862 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13863 (aeabi_llsl): Likewise.
13864 (ashrdi3): Likewise.
13865 (aeabi_lasr): Likewise.
13866 (lshrdi3): Likewise.
13867 (aeabi_llsr): Likewise.
13868 2005-03-10 Julian Brown <julian@codesourcery.com>
13869 * config.gcc: Disable shared libgcc for SymbianOS.
13870 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13872 2006-01-18 DJ Delorie <dj@redhat.com>
13874 * c-pragma.c (handle_pragma_diagnostic): New.
13875 (init_pragma): Register it.
13876 * doc/extend.texi: Document it.
13878 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13879 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13880 (diagnostic_context): Add classify_diagnostic[].
13881 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13882 as errors if they're overridden to DK_WARNING.
13883 (diagnostic_initialize): Initialize classify_diagnostic[].
13884 (diagnostic_set_kind_override): New.
13885 (diagnostic_report_diagnostic): Check for kind changes.
13886 * opts.c (common_handle_option): Take lang_mask. Update callers.
13887 Handle OPT_Werror_.
13888 * common.opt (Werror=): New.
13889 * doc/invoke.texi: Document -Werror=*
13891 2006-01-18 Jeff Law <law@redhat.com>
13893 * tree-vrp.c (test_for_singularity): Correct test for new
13894 min limit. Use operand_equal_p rather than pointer equality
13895 for testing if new min/max values are equal.
13897 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13898 using range information until after propagation and folding.
13900 2006-01-18 Richard Henderson <rth@redhat.com>
13901 Aldy Hernandez <aldyh@redhat.com>
13902 Jakub Jelinek <jakub@redhat.com>
13903 Diego Novillo <dnovillo@redhat.com>
13905 * omp-low.c: New file.
13906 * c-omp.c: New file.
13908 2006-01-18 Richard Henderson <rth@redhat.com>
13909 Jakub Jelinek <jakub@redhat.com>
13910 Diego Novillo <dnovillo@redhat.com>
13912 * doc/invoke.texi: Document -fopenmp.
13913 * tree-dump.h (debug_function): Declare.
13914 * hooks.c (hook_bool_tree_bool_false): New function.
13915 (hook_tree_tree_null): Remove.
13916 (hook_tree_tree_tree_null): New.
13917 * hooks.h: Update to match.
13918 * tree-pretty-print.c (debug_tree_chain): New.
13919 (print_generic_expr): Handle TDF_CHAIN.
13920 (dump_generic_node): Handle BLOCK.
13921 Do not abort with incomplete SWITCH_EXPRs.
13922 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13923 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13924 print space after directive name.
13925 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13926 Handle OMP_MASTER and OMP_ORDERED.
13927 Handle printing of OMP_BODY just in one place, goto
13928 dump_omp_body in the rest of OMP_* nodes that have
13930 Don't handle clause nodes here. Update omp statements to
13931 use dump_omp_clauses.
13932 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13933 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13934 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13935 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13936 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13937 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13938 Adjust output for GOMP_PARALLEL.
13939 (dump_omp_clauses): New.
13940 (print_declaration): Dump DECL_VALUE_EXPR.
13941 (op_symbol_1): Split out of op_symbol.
13942 (dumping_stmts): Remove. Update all users.
13943 * cgraph.c (cgraph_analyze_queue): New.
13944 (cgraph_add_new_function): New.
13945 * cgraph.h (cgraph_analyze_queue): Declare.
13946 (cgraph_add_new_function): Declare.
13947 (cgraph_lower_function): Remove.
13948 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13949 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13950 and TYPE_P nodes in its default clause.
13951 (empty_body_p): New.
13952 (tree_range_check_failed): New.
13953 (build5_stat): New.
13954 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13955 OMP_CLAUSE_REDUCTION_MERGE,
13956 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13957 OMP_CLAUSE_PRIVATE_DEBUG,
13958 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13959 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13960 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13961 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13962 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13963 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13964 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13965 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13966 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13967 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13968 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13969 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13970 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13971 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13972 (TREE_RANGE_CHECK): New.
13973 (empty_body_p): Declare.
13974 (enum omp_clause_default_kind): New.
13975 (build_string_literal): Declare.
13976 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13977 (build5_stat, build5): Declare.
13978 * tree-pass.h (TDF_CHAIN): Define.
13979 * tree-pass.h (PROP_gimple_lomp): Define.
13980 (pass_lower_omp): Declare.
13981 * diagnostic.h (debug_tree_chain): Declare.
13982 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13984 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13985 * builtins.c (build_string_literal): Make extern.
13986 * gcc.c (include_spec_function): New.
13987 (static_spec_functions): Add it.
13988 (main): Move load of libgomp.spec ...
13989 (LINK_COMMAND_SPEC): ... here.
13990 (link_gomp_spec): New.
13991 (static_specs): Include it.
13992 (LINK_COMMAND_SPEC): Add link_gomp.
13993 (GOMP_SELF_SPECS): New.
13994 (driver_self_specs): Include it.
13995 (switch_matches): Don't mark inline.
13996 (main): Load libgomp.spec.
13997 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13998 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13999 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
14000 * tree-gimple.h (enum omp_parallel): Declare.
14001 (determine_parallel_type): Declare.
14002 (omp_firstprivatize_variable): Declare.
14003 (omp_reduction_init): Declare.
14004 (diagnose_omp_structured_block_errors): Declare.
14005 (struct walk_stmt_info): Add want_return_expr.
14006 (struct walk_stmt_info): Add want_bind_expr, want_locations.
14007 (find_omp_clause): Declare.
14008 (insert_field_into_struct): Declare.
14009 (struct walk_stmt_info): Move from tree-nested.c
14010 (walk_stmts): Declare.
14011 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14013 * cgraphunit.c (cgraph_lower_function): Make static.
14014 (cgraph_finalize_pending_functions): New.
14015 (cgraph_finalize_function): Call it.
14016 (cgraph_finalize_compilation_unit): Likewise.
14017 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14018 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14019 (BT_FN_UINT_UINT): New.
14020 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14021 DEF_FUNCTION_TYPE_VAR_4): Document.
14022 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14023 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14024 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14025 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14026 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14027 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14028 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14029 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14030 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14031 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14032 into separate files.
14033 (DEF_GOMP_BUILTIN): New.
14034 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14035 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14036 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14037 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14038 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14039 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14040 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14041 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14042 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14043 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14044 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14045 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14046 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14047 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14048 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14049 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14050 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14051 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14052 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14053 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14054 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14055 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14056 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14057 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14058 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14059 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14060 * sync-builtins.def: New file, moved from builtins.def.
14061 * omp-builtins.def: New file, moved from builtins.def.
14062 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14063 * gimple-low.c (lower_function_body): Clear data.
14064 (lower_stmt): Do not handle COMPOUND_EXPR.
14065 Remove call to print_node_brief.
14066 * c-tree.h (c_finish_omp_clauses): New prototype.
14067 (C_DECL_THREADPRIVATE_P): Define.
14068 (lookup_name_no_remap, c_omp_remap_private): Remove
14069 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14070 (check_for_loop_decls): Update decl.
14071 (lookup_name_no_remap, c_omp_remap_private): Declare.
14072 (build_indirect_ref, build_modify_expr, pushdecl,
14073 pushdecl_top_level): Move to c-common.h.
14074 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14075 before the switch, but just in the 2 places that need it.
14076 * c-decl.c (diagnose_mismatched_decls): Do not check for
14077 mismatched thread-local attributes when OLDDECL is marked
14078 threadprivate and NEWDECL has no thread-local attributes.
14079 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14080 (c_gimple_diagnostics_recursively): Rename from
14081 c_warn_unused_result_recursively. Invoke
14082 diagnose_omp_structured_block_errors.
14083 (check_for_loop_decls): Return a singular decl found.
14084 * langhooks.c (lhd_omp_predetermined_sharing): Return
14085 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14086 (lhd_omp_firstprivatize_type_sizes): New.
14087 (lhd_omp_assignment): New.
14088 (lhd_omp_predetermined_sharing): New.
14089 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14090 (struct lang_hooks_for_types): Add
14091 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14092 omp_predetermined_sharing, omp_disregard_value_expr,
14093 omp_private_debug_clause, omp_clause_default_ctor,
14094 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14095 (c_finish_omp_clauses): New.
14096 (c_finish_bc_stmt): Diagnose break within omp for.
14097 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14098 (build_unary_op): Return error_mark after reporting
14100 (build_modify_expr): Likewise.
14101 * gimplify.c: Include optabs.h and pointer-set.h.
14102 (enum gimplify_omp_var_data): Declare.
14103 (struct gimplify_omp_ctx): Declare.
14104 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14106 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14107 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14108 (splay_tree_compare_decl_uid): New.
14109 (new_omp_context): New.
14110 (delete_omp_context): New.
14111 (gimple_add_tmp_var): Call omp_add_variable.
14112 (gimplify_bind_expr): Likewise.
14113 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14114 true, disregard DECL_VALUE_EXPR on the decl if any.
14115 (gimplify_expr_in_ctx): New.
14116 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14117 omp_add_variable, omp_notice_variable, omp_is_private
14118 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14119 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14120 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14121 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14122 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14123 gimplify_omp_atomic): New.
14124 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14125 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14126 OMP_CRITICAL and OMP_ATOMIC.
14127 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14128 * c-pragma.h (enum pragma_kind): Add
14129 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14130 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14131 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14132 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14133 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14134 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14135 PRAGMA_OMP_THREADPRIVATE.
14136 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14137 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14138 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14139 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14140 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14141 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14142 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14143 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14144 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14145 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14146 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14147 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14148 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14150 (struct nesting_info): Add field_map,
14151 suppress_expansion, debug_var_chain.
14152 (create_nesting_tree): Initialize them.
14153 (lookup_field_for_decl): Use field_map.
14154 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14155 (convert_local_omp_clauses): New.
14156 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14157 (walk_body): Split out of walk_function.
14158 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14159 (convert_nonlocal_reference): Handle omp statements.
14160 (convert_local_reference): Likewise.
14161 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14162 (unnest_nesting_tree): New.
14163 (lower_nested_functions): Call it.
14164 (insert_field_into_struct): Make extern.
14165 (struct walk_stmt_info): Move to tree-gimple.h.
14166 (walk_stmts): Make extern.
14167 * omp-builtins.def: New file.
14168 * tree-iterator.c (expr_only): Clarify comment.
14169 * c-common.h (pushdecl_top_level, pushdecl,
14170 build_modify_expr, build_indirect_ref,
14171 c_finish_omp_master, c_finish_omp_critical,
14172 c_finish_omp_ordered, c_finish_omp_barrier,
14173 c_finish_omp_atomic, c_finish_omp_flush,
14174 c_finish_omp_for, c_split_parallel_clauses,
14175 omp_clause_default_kind, c_omp_sharing_predetermined,
14176 c_omp_remap_decl): Declare.
14177 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14178 (OBJS-common): Add omp-low.o.
14179 (c-omp.o, omp-low.o): Add.
14180 (gimplify.o): Add dependency on $(OPTABS_H).
14181 (GTFILES): Add omp-low.c.
14182 (gt-stringpool.h): Add.
14183 * tree-cfg.c (set_bb_for_stmt): Do not update the
14184 block-to-labels map if we are currently expanding to RTL.
14185 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14187 Handle IDENTIFIER_NODE.
14188 (tree_verify_flow_info): Do not ICE when emitting error
14189 messages about invalid labels.
14190 (dump_function_to_file): Reset CFUN before emitting the body
14192 (debug_function): New.
14193 * passes.c (init_optimization_passes): Schedule
14195 * langhooks-def.h (lhd_omp_predetermined_sharing,
14196 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14198 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14199 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14200 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14201 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14202 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14203 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14204 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14205 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14206 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14207 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14208 (LANG_HOOK_DECLS): Use them.
14210 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14211 Richard Henderson <rth@redhat.com>
14212 Jakub Jelinek <jakub@redhat.com>
14213 Diego Novillo <dnovillo@redhat.com>
14215 * c-parser.c (pragma_omp_clause): Define.
14216 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14217 (c_parser_compound_statement): Likewise.
14218 (c_parser_statement): Likewise.
14219 (c_parser_pragma): Handle omp pragmas.
14220 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14221 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14222 (c_parser_omp_clause_name, check_no_duplicate_clause,
14223 c_parser_omp_variable_list,
14224 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14225 c_parser_omp_clause_copyprivate,
14226 c_parser_omp_clause_default,
14227 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14228 c_parser_omp_clause_lastprivate,
14229 c_parser_omp_clause_nowait,
14230 c_parser_omp_clause_num_threads,
14231 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14232 c_parser_omp_clause_reduction,
14233 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14234 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14235 c_parser_omp_atomic, c_parser_omp_barrier,
14236 c_parser_omp_critical, c_parser_omp_flush,
14237 c_parser_omp_for_loop, c_parser_omp_for,
14238 c_parser_omp_master, c_parser_omp_ordered,
14239 c_parser_omp_sections_scope, c_parser_omp_sections,
14240 c_parser_omp_parallel, c_parser_omp_single,
14241 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14242 * c-pragma.c (init_pragma): Do omp pragma registration here.
14243 * c.opt (fopenmp): New flag.
14245 2006-01-18 Eric Christopher <echristo@apple.com>
14247 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14248 * config/darwin.h (GOMP_SELF_SPECS): Define.
14250 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14252 * rtl.h: Remove the prototype for reg_alloc.
14254 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14257 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14258 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14259 sjlj and dwarf2 exception handling.
14260 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14261 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14262 * pa/pa.c (function_value): Treat complex and vector types as
14264 (function_arg): Likewise. Only pass scalar floats in the floating
14265 point argument registers.
14266 * pa/t-slibgcc-dwarf-ver: New file.
14267 * pa/t-slibgcc-sjlj-ver: New file.
14268 * pa/t-slibgcc-elf-ver: Delete file.
14270 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14272 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14273 unlikely_test_section_p test.
14275 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14277 * mode-switching.c (optimize_mode_switching): Make it static.
14278 * basic-block.h: Remove the prototype for
14279 optimize_mode_switching.
14281 * modulo-sched.c (sms_schedule): Make it static.
14282 * rtl.h: Remove the prototype for sms_schedule.
14284 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14285 * rtl.h: Remove the prototype for gcse_after_reload_main.
14287 * reg-stack.c (reg_to_stack): Make it static.
14288 * rtl.h: Remove the prototype for reg_to_stack.
14290 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14292 * rtl.h: Remove the prototypes for regrename_optimize and
14293 copyprop_hardreg_forward.
14295 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14297 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14298 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14299 Test against the appropriate null constant for the mode.
14300 If 'fixup_overlap' is true, swap the operands if they overlap.
14301 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14302 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14303 alpha_split_tmode_pair and adjust for above change.
14304 * config/alpha/alpha.md (movtf_internal): Adjust call to
14305 alpha_split_tfmode_pair and rely on it to swap the operands.
14306 (movti_internal): New insn and post-reload splitter.
14307 (movti): New expander.
14309 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14311 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14314 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14316 * rtlanal.c (global_reg_mentioned_p_1,
14317 global_reg_mentioned_p): Remove.
14318 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14320 * flow.c (initialize_uninitialized_subregs): Make it static.
14321 * rtl.h: Remove the prototype for
14322 initialize_uninitialized_subregs.
14324 * function.c (instantiate_virtual_regs): Make it static.
14325 * function.h: Remove the prototype for
14326 instantiate_virtual_regs.
14328 * regmove.c (regmove_optimize, combine_stack_adjustments):
14330 * rtl.h: Remove the prototypes for regmove_optimize and
14331 combine_stack_adjustments.
14333 2006-01-17 Roger Sayle <roger@eyesopen.com>
14335 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14336 (size_cost): Encode costs in bytes so that a reg-reg addition is
14337 equivalent to COSTS_N_INSNS(1).
14338 (override_options): Use the size_cost.branch_cost as the default
14339 ix86_branch_cost when optimizing for size.
14341 2006-01-18 Ben Elliston <bje@au.ibm.com>
14343 * Makefile.in (D32PBIT_FUNCS): New.
14344 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14345 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14346 D64PBIT_FUNCS and D128PBIT_FUNCS.
14347 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14348 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14350 (decnumber_dep): Define.
14351 * doc/libgcc.texi (Decimal float library routines): New node.
14352 * config/dfp-bit.h, config/dfp-bit.c: New files.
14354 2006-01-18 Ben Elliston <bje@au.ibm.com>
14356 * expr.c (emit_move_change_mode): Always adjust addresses, not
14357 just during reload. Copy replacements only during reload.
14358 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14359 emit_move_via_integer.
14361 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14363 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14364 instead of $(srcdir) and ${srcdir}.
14366 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14369 PR middle-end/11135
14370 * arm.h (struct machine_function): Add pic_reg.
14371 * arm.c (arm_pic_register): Make unsigned.
14372 (arm_override_options): Only set arm_pic_register if
14373 TARGET_SINGLE_PIC_BASE.
14374 (use_return_insn): Only test for a pic register if it is fixed.
14375 (arm_compute_save_reg0_reg12_mask): Likewise.
14376 (thumb_compute_save_reg_mask): Likewise.
14377 (legitimate_pic_operand): Factor out some known invariants.
14378 (legitimize_pic_address): If we don't have a fixed pic register,
14379 then set up a pseudo in the function entry sequence. Handle the
14380 pic base being in a pseudo.
14381 (arm_load_pic_register): Handle the pic register being in a pseudo.
14382 (arm_expand_prologue): Only set up the pic register if it is fixed.
14383 (thumb_expand_prologue): Likewise.
14384 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14385 (pic_load_addr_based_insn): Likewise.
14386 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14389 2006-01-18 Ben Elliston <bje@au.ibm.com>
14391 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14392 decimal float modes for all floating point registers.
14394 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14395 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14397 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14400 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14401 even when the pointer is not NULL.
14403 2006-01-16 Ian Lance Taylor <ian@airs.com>
14405 * common.opt (ftoplevel-reorder): New option.
14406 * cgraph.c (cgraph_asm_nodes): New global variable.
14407 (cgraph_asm_last_node): New static variable.
14408 (cgraph_order): New global variable.
14409 (cgraph_create_node): Set new order field.
14410 (cgraph_varpool_node): Likewise.
14411 (decide_is_variable_needed): Return true if not
14412 flag_toplevel_reorder.
14413 (cgraph_add_asm_node): New function.
14414 * cgraph.h (struct cgraph_node): Add order field.
14415 (struct cgraph_varpool_node): Add order field.
14416 (struct cgraph_asm_node): Define.
14417 (cgraph_asm_nodes, cgraph_order): Declare.
14418 (cgraph_add_asm_node): Declare.
14419 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14421 (cgraph_varpool_assemble_pending_decls): Call it.
14422 (cgraph_output_pending_asms): New static function.
14423 (cgraph_finalize_compilation_unit): Call it.
14424 (struct cgraph_order_sort): Define.
14425 (cgraph_output_in_order): New static function.
14426 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14427 !flag_toplevel_reorder case.
14428 * c-parser.c: Include "cgraph.h".
14429 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14431 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14432 than -fno-unit-at-a-time.
14433 * doc/invoke.texi (Option Summary): Mention
14434 -fno-toplevel-reorder.
14435 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14436 -funit-at-a-time documentation.
14438 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14439 Kazu Hirata <kazu@codesourcery.com>
14441 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14443 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14445 * Makefile.in (FUNCTION_H): New. Use it instead of
14446 function.h throughout the file.
14447 * function.h: Include tree.h.
14449 2006-01-17 Ben Elliston <bje@au.ibm.com>
14451 * recog.c: Separate some functions with whitespace.
14453 2006-01-16 Richard Henderson <rth@redhat.com>
14455 Merge from gomp branch:
14456 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14457 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14458 and rename from struct inline_data. Rename callee* to dst*;
14459 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14460 transform_new_cfg, transform_return_to_modify, and
14461 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14463 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14464 (copy_decl_for_dup): Remove.
14465 * tree-inline.c (struct inline_data): Move to header.
14466 (insert_decl_map): Export.
14467 (remap_decl): Update for member name changes. Use copy_decl hook.
14468 Allow for replacement to be a non-decl. Remove dead code.
14469 (remap_type_1): Check for existing mapping.
14470 (remap_type): Export.
14471 (remap_decls): Update for member name changes.
14472 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14473 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14474 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14475 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14476 (tree_function_versioning, build_duplicate_type): Likewise.
14477 (copy_body_r): Likewise. Export.
14478 (copy_decl_for_dup): Split into ...
14479 (copy_decl_for_dup_finish, copy_decl_to_var,
14480 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14481 (replace_ref_tree, inlining_p): Remove.
14483 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14485 * ifcvt.c (if_convert): Make it static.
14486 * rtl.h: Remove the prototype for if_convert.
14488 * local-alloc.c (local_alloc): Make it static.
14489 * rtl.h: Remove the prototype for local_alloc.
14491 * loop.c (loop_optimize): Make it static.
14492 * cfgloop.h: Remove the prototype for loop_optimize.
14495 2006-01-16 DJ Delorie <dj@redhat.com>
14497 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14500 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14502 * pa.md: Disparage copies between general and floating-point registers
14503 in 32-bit move patterns.
14505 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14508 * Makefile.in (check-%): Depend on site.exp instead of
14509 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14512 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14514 * global.c (global_alloc): Make it static.
14515 * rtl.h: Remove the prototype for global_alloc.
14517 2006-01-16 Richard Guenther <rguenther@suse.de>
14519 * tree-ssa-alias.c (struct used_part): Add write_only field.
14520 (get_or_create_used_part_for): Initialize it to true.
14521 (create_overlap_variables_for): Don't create structure variables
14522 for structures that only are written to.
14523 (find_used_portions): Handle MODIFY_EXPR to track whether a
14524 structure is only written to.
14526 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14528 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14530 * basic-block.h: Remove the prototype for
14531 partition_hot_cold_basic_blocks.
14533 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14535 * cppspec.c (lang_specific_spec_functions): Remove.
14536 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14537 * gcc.h (lang_specific_spec_functions): Remove.
14538 * gccspec.c (lang_specific_spec_functions): Remove.
14540 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14542 * combine.c (record_value_for_reg): Invalidate registers
14544 (record_dead_and_set_regs_1): Likewise, by passing them to
14545 record_value_for_reg.
14546 (record_dead_and_set_regs): Invalidate stores made by a
14547 call. We do not combine across a call, but we still
14548 relied on equivalences.
14550 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14552 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14553 vrp_int_const_binop returning non-constant nodes.
14555 2006-01-16 Paul Brook <paul@codesourcery.com>
14557 * config/m68k/m68k.c (output_move_const_into_data_reg):
14558 Output correct mnemonic for mvz and mvs.
14560 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14562 * rtl-factoring.c: Add sequence abstraction algorithm.
14563 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14564 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14566 (block_has_preserve_label): New function.
14567 * common.opt: Register new pass.
14568 * Makefile.in: Ditto.
14570 * timevar.def: Ditto.
14571 * tree-pass.h: Ditto.
14572 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14573 * rtl.h (make_jump_insn_raw): Add forward decl.
14574 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14576 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14577 Roger Sayle <roger@eyesopen.com>
14579 * fold-const.c (fold_minmax): New static function.
14580 (fold_binary) <MIN_EXPR>: Call it.
14581 <MAX_EXPR>: Likewise.
14582 * stor-layout.c (place_field): Use DECL_SIZE consistently
14583 in the computation of the new record size.
14585 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14587 * cse.c (cse_condition_code_reg): Make it static.
14588 * rtl.h: Remove the prototype for cse_condition_code_reg.
14590 * combine.c (combine_instructions): Make it static.
14591 * rtl.h: Remove the prototype for combine_instructions.
14593 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14596 * tree.c (get_file_function_name_long): Concatenate the first global
14597 object name with a string derived from the input filename of the object
14600 2006-01-16 Ben Elliston <bje@au.ibm.com>
14602 * config/i386/winnt-stubs.c: Update FSF address.
14603 * config/xtensa/ieee754-df.S: Ditto.
14604 * config/xtensa/ieee754-sf.S: Ditto.
14606 2006-01-14 Ian Lance Taylor <ian@airs.com>
14608 * ifcvt.c (noce_init_if_info): New static function, broken out of
14609 noce_process_if_block.
14610 (noce_process_if_block): Call noce_init_if_info.
14611 (check_cond_move_block): New static function.
14612 (cond_move_process_if_block): New static function.
14613 (process_if_block): Call cond_move_process_if_block.
14615 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14617 * cselib.c (hash_table): Rename to cselib_hash_table.
14618 (cselib_clear_table, discard_useless_values,
14619 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14620 cselib_init, cselib_finish): Adjust uses of hash_table.
14622 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14624 PR tree-optimization/25485
14625 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14626 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14627 is known to be false and true, respectively.
14629 2006-01-14 Richard Guenther <rguenther@suse.de>
14631 PR tree-optimization/22548
14632 PR tree-optimization/22555
14633 PR tree-optimization/22501
14634 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14635 * params.def (salias-max-array-elements): New parameter.
14636 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14637 * doc/invoke.texi (salias-max-array-elements): Document.
14638 * tree-flow-inline.h (var_can_have_subvars): We also handle
14640 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14642 * tree-ssa-structalias.c (params.h): Include.
14643 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14644 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14645 (get_constraint_for): For ADDR_EXPR operating on something
14646 containing an ARRAY_REF, add all subvars to the solution.
14647 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14648 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14649 for creating MUST_DEFs.
14650 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14652 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14654 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14656 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14657 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14658 number_of_iterations_le): New functions.
14659 (number_of_iterations_special): Removed.
14660 (number_of_iterations_exit): Do not use number_of_iterations_special.
14661 * tree.c (unsigned_type_for): Always return integer type.
14663 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14664 Richard Guenther <rguenther@suse.de>
14666 PR rtl-optimization/24257
14667 * gcse.c (find_moveable_store): Only consider a store movable
14668 when the SET_SRC of the insn can be assigned to a register.
14670 2006-01-14 Ian Lance Taylor <ian@airs.com>
14672 * tree.c (tree_not_class_check_failed): New function.
14673 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14674 (tree_not_class_check_failed): Declare.
14676 2006-01-13 Ian Lance Taylor <ian@airs.com>
14678 * reload1.c (do_output_reload): Add assertion rejecting a
14681 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14683 * combine.c (struct reg_stat): Add new fields truncation_label and
14685 (record_value_for_reg): Reset truncated_to_mode.
14686 (record_truncated_value): New function.
14687 (check_promoted_subreg): Call it. Rename to check_conversions.
14688 (combine_instructions): Rename check_promoted_subreg to
14690 (reg_truncated_to_mode): New function.
14691 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14692 (gen_lowpart_or_truncate): New function.
14693 (force_to_mode): Use it instead of gen_lowpart.
14695 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14697 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14698 VAR is a tag, not its type tag.
14700 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14702 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14703 alternatives to match style of other entries.
14704 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14706 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14708 PR tree-optimization/25771
14709 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14712 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14715 * tree-inline.c (declare_return_variable): If the return variable
14716 was marked as a non gimple complex, set the return slot variable
14717 to be a non gimple comple variable.
14719 2006-01-13 Richard Guenther <rguenther@suse.de>
14721 * builtins.c (expand_builtin_sincos): New function.
14722 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14724 (expand_builtin): Expand sincos using expand_builtin_sincos.
14726 2006-01-12 DJ Delorie <dj@redhat.com>
14728 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14729 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14730 so that constant shifts can be split.
14731 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14732 (m32c_valid_pointer_mode): Make static.
14733 (shift_gen_func_for): New.
14734 (m32c_prepare_shift): Use it. Split large const shifts into
14736 * config/m32c/predicates.md (shiftcount_operand): Allow more
14738 (longshiftcount_operand): New.
14739 * doc/md.texi (Machine Constraints): Document In6.
14741 2006-01-13 Ben Elliston <bje@au.ibm.com>
14743 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14744 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14747 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14749 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14750 to try to avoid clobbering pieces of structures when we know
14751 something about the whole structure.
14752 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14754 2006-01-13 Ben Elliston <bje@au.ibm.com>
14756 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14757 return in memory, as this is no limitation is no longer present.
14759 2006-01-12 DJ Delorie <dj@redhat.com>
14761 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14762 mova with fb, and for fb+0 -> An.
14764 * config/m32c/mov.md (peephole2): Fix enabling logic.
14766 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14767 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14768 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14769 FINI_ARRAY_SECTION_ASM_OP): Define.
14771 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14773 (m32c_legitimize_reload_address): New logic to reload FB to An.
14774 (m32c_output_reg_push): Add newline.
14775 (m32c_output_reg_pop): Likewise.
14777 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14779 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14781 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14783 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14785 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14787 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14790 2006-01-11 Ben Elliston <bje@au.ibm.com>
14792 * rtlanal.c (find_reg_note): Assert insn is not null.
14794 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14796 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14799 2006-01-11 Jeff Law <law@redhat.com>
14801 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14803 (mark_threaded_blocks, register_jump_thread): New functions.
14804 (thread_through_all_blocks): Remove unwanted argument. No
14805 longer rely on e->aux to communicate thread target info.
14806 Call mark_threaded_blocks. Release the threaded_blocks
14807 bitmap and threaded_edges vector when complete.
14808 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14809 (threaded_blocks): Remove.
14810 (tree_ssa_dominator_optimize): Remove initialization and
14811 finalization of threaded_blocks. Simplify call to
14812 thread_through_all_blocks.
14813 (thread_across_edge): Call register_jump_thread rather than
14814 storing thread information into e->aux.
14815 (free_all_edge_infos): Simplify now that e->aux is no longer
14816 used to communicate with thread_through_all_blocks.
14817 * tree-flow.h (thread_through_all_blocks): Update prototype.
14818 (register_jump_thread): Prototype.
14820 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14822 * df-core.c (df_compact_blocks, df_bb_replace): Use
14823 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14825 2006-01-11 Richard Guenther <rguenther@suse.de>
14827 PR tree-optimization/25734
14828 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14829 stop propagation after successful propagation to the LHS.
14831 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14833 * basic-block.h (control_flow_graph): Change the type of
14834 x_basic_block_info to VEC(basic_block,gc) *.
14835 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14837 (SET_BASIC_BLOCK): New.
14838 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14839 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14840 * cfgbuild.c (find_basic_blocks): Likewise.
14841 * cfglayout.c (fixup_reorder_chain): Likewise.
14842 * cfgrtl.c (create_basic_block_structure,
14843 rtl_create_basic_block): Likewise.
14844 * ifcvt.c (find_if_case_1): Likewise.
14845 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14848 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14850 * Makefile.in: Removed rotted odf.c entry.
14852 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14855 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14856 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14857 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14858 output pattern modifier, not %e.
14859 * config/cris/cris.c (cris_op_str): Update comment about pattern
14861 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14862 before falling through into...
14863 <case 'E'>: Redefined from old 'e' case.
14865 2006-01-11 Jan Hubicka <jh@suse.cz>
14868 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14870 2006-01-11 Jan Hubicka <jh@suse.cz>
14872 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14873 * i386.c (x86_decompose_lea): Kill.
14874 (ix86_rtx_costs): Kill.
14876 2006-01-11 Jan Hubicka <jh@suse.cz>
14878 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14879 * cgraph.h (cgraph_node): Add inline_decl.
14880 (cgraph_insert_node_to_hashtable): Declare.
14881 (save_inline_function_body): Declare.
14882 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14884 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14885 (cgraph_function_versioning): Update call of tree_function_versioning.
14886 (save_inline_function_body): New function.
14887 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14888 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14889 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14890 (cgraph_default_inline_p): Likewise.
14891 (cgraph_decide_inlining_incrementally): Likewise.
14892 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14893 (copy_bb): Kill saving; do updating of clones.
14894 (copy_cfg_body): Kill saving.
14895 (initialize_inlined-parameters): Likewise.
14896 (expand_call_inline): Likewise.
14898 (tree_function_versioning): New parameter "update_clones".
14899 (inlining_p): Kill saving.
14900 * tree-inline.h (tree_function_versioning): Update prototype.
14901 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14904 2006-01-11 Ian Lance Taylor <ian@airs.com>
14906 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14907 Allow undoing set of machine mode.
14908 (do_SUBST): Use enums instead of is_int.
14909 (do_SUBST_MODE): New function.
14910 (SUBST_MODE): New macro.
14911 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14912 reg and trying to replace reg_regno_rtx with a new register.
14913 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14914 (simplify_set): Use SUBST_MODE.
14915 (distribute_notes): Remove code that tried to update reg notes
14916 for regno_reg_rtx changes.
14918 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14920 PR tree-optimization/23109
14921 PR tree-optimization/23948
14922 PR tree-optimization/24123
14924 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14925 * tree-cfg.c (single_noncomplex_succ): New.
14926 * tree-flow.h (single_noncomplex_succ): Declare it.
14927 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14928 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14929 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14930 insert_bb, register_division_in, insert_reciprocals,
14931 replace_reciprocal, free_bb): New.
14932 (execute_cse_reciprocals_1): Rewritten.
14933 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14934 Do not commit any edge insertion. Always compute dominators and
14935 create the allocation pool.
14936 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14937 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14938 * targhooks.c (default_min_divistions_for_recip_mul): New.
14939 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14940 * passes.c (init_optimization_passes): Run recip after tree loop
14942 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14944 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14945 Kenneth Zadeck <zadeck@naturalbridge.com>
14947 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14948 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14949 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14950 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14951 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14952 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14953 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14954 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14955 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14956 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14957 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14958 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14959 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14960 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14961 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14962 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14963 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14964 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14965 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14966 DF_SCAN_POST_ALLOC): New macros.
14967 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14968 df_free_bb_function, df_local_compute_function, df_init_function,
14969 df_dataflow_function, df_confluence_function_0,
14970 df_confluence_function_n, df_transfer_function,
14971 df_finalizer_function, df_free_function, df_dump_problem_function,
14972 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14973 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14974 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14975 df_urec_bb_info, ) New types.
14976 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14978 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14979 df_analyze_simple_change_some_blocks,
14980 df_analyze_simple_change_one_block, df_compact_blocks,
14981 df_bb_replace, df_bb_regno_last_use_find,
14982 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14983 df_insn_regno_def_p, df_find_def, df_find_use,
14984 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14985 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14986 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14987 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14988 debug_df_chain, df_get_dependent_problem, df_chain_create,
14989 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14990 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14991 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14992 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14993 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14994 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14995 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14996 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14997 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14998 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14999 df_reorganize_refs, df_set_state, df_hard_reg_init,
15000 df_read_modify_subreg_p) New public functions.
15001 * df-core.c: The core dataflow solver and glue routines for rtl
15003 (df_init, df_add_problem, df_set_blocks, df_finish,
15004 df_hybrid_search_forward, df_hybrid_search_backward,
15005 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
15006 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
15007 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
15008 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
15009 df_reg_defined, df_find_use, df_reg_used, df_dump,
15010 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15011 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15012 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15013 debug_df_useno, reset_df_after_reload): New functions.
15014 * df-scan.c: The scanning fuctions, once in df.c, completely
15015 rewritten so that they now fully model the functionality of
15016 register usage at the backend.
15017 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15018 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15019 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15020 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15021 df_get_artificial_defs, df_get_artificial_uses,
15022 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15023 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15024 df_refs_delete, df_reorganize_refs, df_set_state,
15025 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15026 df_def_record_1, df_defs_record, df_uses_record,
15027 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15028 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15029 df_record_exit_block_uses, df_hard_reg_init): New functions.
15031 * df-problems.c: Seven concrete dataflow problems that use the
15032 scanning in df-scan.c and are solved by the engine in df-core.c.
15033 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15034 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15035 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15036 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15037 df_ru_free_bb_info, df_ru_alloc,
15038 df_ru_bb_local_compute_process_def,
15039 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15040 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15041 df_ru_transfer_function, df_ru_free, df_ru_dump,
15042 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15043 df_rd_free_bb_info, df_rd_alloc,
15044 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15045 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15046 df_rd_transfer_function, df_rd_free, df_rd_dump,
15047 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15048 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15049 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15050 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15051 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15052 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15053 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15054 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15055 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15056 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15057 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15058 df_urec_mark_reg_use_for_earlyclobber,
15059 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15060 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15061 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15062 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15063 df_chain_create_bb_process_use, df_chain_create_bb,
15064 df_chain_finalize, df_chain_free, df_chains_dump,
15065 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15066 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15067 df_reg_lifetime): New functions.
15068 * df.c: Deleted file.
15069 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15070 consistent with new df api.
15071 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15072 rest_of_handle_sms): Ditto.
15073 * web.c (unionfind_union, union_defs, entry_register, web_main):
15075 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15076 invariant_expr_equal_p, find_defs, check_dependencies,
15077 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15078 free_inv_motion_data, move_loop_invariants): Ditto.
15079 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15080 Update dependencies.
15081 (odf.c): Added defective entry that was deleted later in day.
15082 * sched-deps.c (sched_analyze_1): Ditto.
15084 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15086 * tree-ssa-operands.c (get_expr_operands): Record addressable
15087 variables directly. Do not call add_stmt_operands for CONST_DECLs
15089 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15090 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15092 2006-01-11 Ben Elliston <bje@au.ibm.com>
15094 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15095 function returns true in the positive case.
15097 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15100 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15101 for SI, DI, SF and DF modes. Add alternatives to copy between
15102 general and floating point registers to the 32-bit patterns.
15103 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15104 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15105 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15106 generating 64-bit code.
15107 * config/pa/pa.c (output_move_double): Handle copies between general
15108 and floating registers.
15110 2006-01-10 Stuart Hastings <stuart@apple.com>
15112 * config/i386/i386.md (set_got): Update.
15113 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15114 (builtin_setjmp_receiver): Mach-O support.
15115 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15116 (GOT_SYMBOL_NAME): Define.
15117 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15118 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15119 * config/i386/i386.c (override_options): Revise for Darwin.
15120 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15121 support. (darwin_x86_file_end): New. (output_set_got): Add label
15122 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15123 * config/i386/i386-protos.h (output_set_got): Likewise.
15124 * config/darwin.c (machopic_legitimize_pic_address): Update
15127 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15129 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15130 when MODE isn't BLKmode.
15132 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15134 PR rtl-optimization/25367
15135 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15137 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15140 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15141 for a negative bound.
15143 2006-01-10 Richard Guenther <rguenther@suse.de>
15145 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15146 Never override with anything constraint.
15148 2006-01-10 Jan Beulich <jbeulich@novell.com>
15150 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15151 256 bits when optimize_size.
15153 2006-01-10 Jan Beulich <jbeulich@novell.com>
15155 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15157 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15158 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15161 2006-01-10 Ben Elliston <bje@au.ibm.com>
15163 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15165 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15166 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15167 (USE_FP_FOR_ARG): Reject decimal float modes.
15168 (function_arg_advance): Likewise.
15169 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15170 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15171 point types in AltiVec vectors.
15172 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15173 (rs6000_libcall_value): Likewise.
15175 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15177 * config/xtensa/ieee754-df.S: New file.
15178 * config/xtensa/ieee754-sf.S: New file.
15179 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15180 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15181 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15183 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15185 * config/sh/predicates.md (binary_float_operator,
15186 binary_logical_operator, commutative_float_operator,
15187 equality_comparison_operator, greater_comparison_operator,
15188 less_comparison_operator, logical_operator,
15189 noncommutative_float_operator, shift_operator,
15190 symbol_ref_operand, unary_float_operator): Remove redundant
15193 2006-01-09 Jeff Law <law@redhat.com>
15195 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15196 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15197 now unused arguments. Callers updated.
15198 (eliminate_redundant_computations): Remove now unused arguments,
15200 (local_fold): Remove, no longer used.
15201 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15203 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15204 (simplify_cond): New function.
15205 (forward_propagate_into_cond): Call simplify_cond.
15207 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15209 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15210 (*vec_extractv2di_1_sse): New.
15212 2006-01-09 Ben Elliston <bje@au.ibm.com>
15214 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15216 2006-01-08 Richard Guenther <rguenther@suse.de>
15218 * tree-ssa-structalias.c (get_constraint_for): Remove
15219 anyoffset argument.
15220 (get_constraint_for_component_ref): Likewise.
15221 (do_deref): Likewise.
15222 (get_constraint_for): Likewise.
15223 (do_structure_copy): Likewise.
15224 (handle_ptr_arith): Likewise.
15225 (find_func_aliases): Likewise. Remove unused need_anyoffset
15228 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15229 Kaz Kojima <kkojima@gcc.gnu.org>
15231 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15232 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15233 (EXTRA_CONSTRAINT_C16): Remove.
15234 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15235 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15236 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15237 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15238 constants of SHmedia. Handle nested constant expressions of
15240 (andcosts): Fix the costs for SHmedia constants.
15241 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15242 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15243 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15244 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15245 (movv4hi_i, movv2si_i): Likewise.
15246 (movsi_const): Adjust the second operand of ior so to match with
15247 the Csu constraint.
15248 (movdi_const, movdi_const_32bit): Likewise.
15249 (movdi_const_16bit+1): Don't sign-extend LOW.
15250 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15252 (*double_shori): Fix the split condition. Use GEN_INT instead
15253 of get_int_mode calls. Mask lower 16-bit of the argument of
15255 (sym2GOTPLT): Remove.
15256 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15258 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15259 instead of EXTRA_CONSTRAINT_C16.
15261 2006-01-07 Ian Lance Taylor <ian@airs.com>
15262 David Edelsohn <edelsohn@gnu.org>
15264 PR rtl-optimization/25662
15265 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15266 for constant operands instead of simplify_gen_binary.
15267 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15268 after trying simplify_binary_operation
15270 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15272 * tree.c (iterative_hash_expr): Hash decls based on UID.
15274 2006-01-06 Eric Christopher <echristo@apple.com>
15276 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15277 (TARGET_UNWIND_EMIT): Fix spelling.
15278 * target.h (gcc_target): Add except_table_label.
15279 * except.c (output_function_exception_table): Use.
15280 * varasm.c (default_emit_except_table_label): New.
15281 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15283 (asm_out): Add here.
15284 * output.h (default_emit_except_table_label): Prototype.
15285 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15286 * config/darwin.c (darwin_emit_except_table_label): Define.
15287 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15289 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15291 PR tree-optimization/18527
15292 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15293 number_of_iterations_special, number_of_iterations_exit):
15294 Move base and step of an iv to a single structure. Add
15295 no_overflow flag, and use it in # of iterations analysis.
15296 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15297 folded_casts argument.
15298 (simple_iv): Pass base and step in a structure. Set no_overflow
15300 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15301 Evaluate expensiveness of computing # of iterations instead of
15302 the final expression.
15303 * tree-scalar-evolution.h (affine_iv): New structure.
15304 (simple_iv): Declaration changed.
15305 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15306 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15307 find_givs_in_stmt): Changed due to simple_iv change.
15309 2006-01-06 Jeff Law <law@redhat.com>
15312 * tree-cfg.c (bsi_replace): Rename final argument from
15313 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15314 change (stmt -> orig_stmt).
15315 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15316 (bsi_remove): Add new argument. Remove EH information
15318 (verify_eh_throw_table_statements): New function.
15319 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15321 * tree-optimize.c (execute_free_cfg_annotations): Verify
15322 the EH throw statement table after removing annotations.
15323 * except.h (verify_eh_throw_table_statements): Prototype.
15324 * tree-flow.h (bsi_remove): Update prototype.
15325 * tree-vrp.c (remove_range_assertions): Add new argument to
15327 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15328 * tree-complex.c (expand_complex_div_wide): Likewise.
15329 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15330 * tree-tailcall.c (eliminate_tailcall): Likewise.
15331 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15332 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15333 * tree-nrv.c (tree_nrv): Likewise.
15334 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15335 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15336 (combine_blocks): Likewise.
15337 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15338 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15339 (cleanup_control_flow): Likewise.
15340 (remove_forwarder_block): Likewise.
15341 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15342 * tree-sra.c (sra_replace): Likewise.
15343 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15344 (forward_propagate_single_use_vars): Likewise.
15345 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15346 * tree-inline.c (expand_call_inline): Likewise.
15347 * tree-vect-transform.c (vect_transform_loop): Likewise.
15348 * tree-outof-ssa.c (rewrite_trees): Likewise.
15349 * tree-cfg.c (make_goto_expr_edges): Likewise.
15350 (cleanup_dead_labels): Likewise.
15351 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15352 (bsi_move_before, bsi_move_after): Likewise.
15353 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15354 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15356 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15359 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15361 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15362 on non gimple variables. Also add checks at the top for decls and
15364 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15366 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15367 and IMAGPART_EXPR for creating MUST_DEFs.
15368 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15369 and NAME_MEMORY_TAG separately from the DECLs.
15371 2006-01-06 Richard Guenther <rguenther@suse.de>
15373 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15374 annotation, if necessary.
15375 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15376 redundant calls to update_stmt.
15377 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15380 2006-01-05 Richard Henderson <rth@redhat.com>
15382 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15384 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15386 * c-typeck.c: Update copyright date.
15388 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15390 * c-typeck.c (build_c_cast): Always warn when casting
15391 from a pointer to an integer of different size, even if
15392 the node was constant.
15394 2006-01-05 Richard Guenther <rguenther@suse.de>
15396 PR tree-optimization/22555
15397 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15398 if one structure field is an array.
15399 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15400 operands even if we found a subvar, but ignore VOPs in this
15402 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15404 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15406 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15408 PR middle-end/24998
15409 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15411 2006-01-05 Richard Guenther <rguenther@suse.de>
15412 Diego Novillo <dnovillo@redhat.com>
15414 * tree-pass.h (TODO_remove_unused_locals): Define.
15415 * gimple-low.c (expand_var_p, remove_useless_vars,
15416 pass_remove_useless_vars): Remove. Update all users.
15417 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15418 (remove_unused_locals): New function.
15419 * tree-flow.h (remove_unused_locals): Declare.
15420 * passes.c (execute_todo): Call remove_unused_locals if
15421 TODO_remove_unused_locals is set.
15422 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15423 * tree-ssa-dce.c (pass_dce): Likewise.
15424 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15426 2006-01-05 Richard Guenther <rguenther@suse.de>
15428 * tree-flow.h (struct fieldoff): Decompose field to
15429 type, size and decl.
15430 * tree-ssa-alias.c (create_sft): Take type as parameter.
15431 (create_overlap_variables_for): Store type, size and decl
15432 in the fieldoff structure.
15433 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15434 of struct fieldoff.
15435 (push_fields_onto_fieldstack): Likewise.
15436 (create_variable_info_for): Likewise. Use offset for the
15437 SFT name if the decl is not available.
15439 2006-01-04 Paul Brook <paul@codesourcery.com>
15441 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15443 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15445 * lambda-code.c (can_put_in_inner_loop): Relax
15447 (can_put_after_inner_loop): New function.
15448 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15449 (perfect_nestify): Change to make copies and modify uses.
15451 2006-01-04 Richard Henderson <rth@redhat.com>
15453 Merge from gomp branch:
15454 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15455 via integer constant.
15456 (pragma_lex): Remove.
15457 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15458 rather than parsing it.
15459 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15460 handle_pragma_extern_prefix): Add %< %> quotes.
15461 (registered_pragmas): New.
15462 (c_register_pragma_1): New.
15463 (c_register_pragma): Use it.
15464 (c_register_pragma_with_expansion): Likewise.
15465 (c_invoke_pragma_handler): New.
15466 (init_pragma): Use cpp_register_deferred_pragma directly for
15468 * c-pragma.h (enum pragma_kind): New.
15469 (pragma_handler): New.
15470 (c_invoke_pragma_handler): Declare.
15471 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15473 * c-common.h (c_common_pch_pragma): Update decl.
15474 * Makefile.in (c-parser.o): Update dependencies.
15475 (GTFILES): Add c-pragma.h.
15476 * c-parser.c (struct c_token): Add pragma_kind.
15477 (struct c_parser): Add in_pragma.
15478 (c_lex_one_token): Always initialize keyword and pragma_kind.
15479 Extract data for CPP_PRAGMA.
15480 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15481 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15482 Don't allow CPP_PRAGMA_EOL if in_pragma.
15483 (c_parser_consume_pragma): New.
15484 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15485 (c_parser_skip_to_end_of_parameter): Likewise.
15486 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15487 (c_parser_skip_to_pragma_eol): New.
15488 (c_parser_external_declaration): Handle CPP_PRAGMA.
15489 (c_parser_compound_statement_nostart): Likewise.
15490 (c_parser_statement_after_labels): Likewise.
15491 (c_parser_pragma): New.
15492 (pragma_lex): Likewise.
15493 (c_parser_pragma_pch_preprocess): New.
15494 (c_parser_new): Merge into ...
15495 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15497 2006-01-04 Jeff Law <law@redhat.com>
15500 * tree-cfg.c (bsi_replace): Remove the original statement
15501 from the EH throw statement table.
15503 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15505 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15506 make the prototype extern "C" and add throw ().
15509 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15510 and pos non-negative and pos + len <= 32.
15511 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15512 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15513 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15516 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15517 as well as sizes not multiple of component size.
15520 * function.c (instantiate_expr): New function.
15521 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15522 walk its DECL_VALUE_EXPR with instantiate_expr.
15524 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15525 DW_OP_deref{,_size} if address isn't going to be added.
15527 2006-01-04 Ben Elliston <bje@au.ibm.com>
15529 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15530 * config/fp-bit.c: Likewise.
15532 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15534 * dominance.c: Add comment about why we use DFS numbering
15537 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15538 Richard Henderson <rth@redhat.com>
15540 Merge from gomp-branch:
15541 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15542 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15544 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15546 PR rtl-optimization/25578
15547 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15548 pass a parameter to simplify_shift_const if changing ASHIFTRT
15551 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15553 * builtins.c (get_builtin_sync_mem): New function.
15554 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15555 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15556 Call get_builtin_sync_mem to generate mem rtx.
15558 2006-01-03 Richard Guenther <rguenther@suse.de>
15561 * stmt.c (add_case_node): Make sure to clear overflow flags
15564 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15566 Merge from gomp-branch.
15567 * config/sparc/sync.md: New file.
15568 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15569 UNSPECV_LDSTUB): New constants.
15570 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15571 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15572 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15575 2006-01-03 Roger Sayle <roger@eyesopen.com>
15577 * combine.c (reg_subword_p): New predicate to test whether the
15578 destination of a set refers to a subword/piece of a register.
15579 (try_combine): Generalize the code to merge the setting of a
15580 pseudo to a constant followed by a set of a subword of that
15581 register to a constant.
15583 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15585 * basic-block.h (control_flow_graph): Change the type of
15586 x_label_to_block_map to VEC(basic_block,gc) *.
15587 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15588 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15590 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15591 VEC(basic_block,heap) *.
15592 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15593 ssa_prop_fini): Adjust the uses of cfg_blocks.
15595 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15597 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15599 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15600 hashing trees instead of a pointer hash.
15601 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15602 compare for MEM_EXPR.
15604 PR rtl-optimization/25130
15605 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15606 when comparing MEMs for GCSE
15608 2006-01-03 Ben Elliston <bje@au.ibm.com>
15610 * targhooks.h (default_decimal_float_supported_p): Declare.
15611 * targhooks.c (default_decimal_float_supported_p): Define.
15612 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15613 `default_decimal_float_supported_p'.
15614 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15616 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15618 * combine.c (apply_distributive_law <SUBREG>): Check
15619 TRULY_NOOP_TRUNCATION.
15621 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15623 * dwarf2out.c (have_switched_text_section): Delete.
15624 (have_multiple_function_sections): New.
15625 (have_location_lists): Make 'bool'.
15626 (add_AT_loc_list): Use 'true' not '1'.
15627 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15628 (output_loc_list): Use have_multiple_function_sections.
15629 (output_ranges): Likewise.
15630 (dwarf2out_begin_function): Set have_multiple_function_sections if
15632 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15633 Check function_section rather than DECL_SECTION_NAME.
15634 (dwarf2out_finish): Use have_multiple_function_sections.
15635 Don't clear have_location_lists.
15637 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15638 Jan Hubicka <jh@suse.cz>
15640 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15641 case of conditional jump jumping to the next instruction.
15642 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15643 cases of conditional jump jumping to the next instruction.
15645 2006-01-02 Jan Hubicka <jh@suse.cz>
15647 * i386.c (*_cost): Add COSTS_N_INSNS.
15648 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15650 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15653 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15655 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15657 * config/arm/arm.c (all_fpus): Fix comment typo.
15658 * config/darwin.c: Likewise.
15659 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15660 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15661 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15663 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15665 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15666 (rs6000_split_compare_and_swapqhi): New.
15667 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15668 (sync_compare_and_swapqhi_internal): New.
15669 * config/rs6000/rs6000-protos.h: Declare.