1 2006-10-09 Richard Henderson <rth@redhat.com>
5 2006-10-09 Richard Guenther <rguenther@suse.de>
8 * cgraphunit.c (verify_cgraph_node): Bail out on earlier
11 2006-10-09 Steve Ellcey <sje@cup.hp.com>
14 * unwind-c.c (PERSONALITY_FUNCTION): Ifdef use of _Unwind_GetIPInfo.
15 * configure.ac (HAVE_GETIPINFO): Check for _Unwind_GetIPInfo.
16 * configure: Regenerate.
17 * config.in: Regenerate.
19 2006-10-09 Aldy Hernandez <aldyh@redhat.com>
21 * tree-mudflap.c (mf_xform_derefs_1): Add parentheses around TREE_TYPE.
23 2006-10-08 Richard Sandiford <richard@codesourcery.com>
25 * config/mips/mips.c (mips_legitimize_tls_address): Implement
26 all TLS models in the same way as local exec if !TARGET_ABICALLS.
29 2006-10-08 Richard Sandiford <richard@codesourcery.com>
31 * config/mips/mips.c (mips_classify_symbol): Do not return
32 SYMBOL_SMALL_DATA if SYMBOL_REF_WEAK.
33 (mips_in_small_data_p): Tweak comments.
35 2006-10-08 Richard Sandiford <richard@codesourcery.com>
37 * config/mips/elf.h (HANDLE_PRAGMA_PUSH_POP): Define.
39 2006-10-07 Kazu Hirata <kazu@codesourcery.com>
41 * gimplify.c, sched-int.h: Fix comment typos.
43 * sched-int.h: Fix comment typos.
45 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
47 * sched-int.h (IS_SPECULATION_CHECK_P, IS_SPECULATION_SIMPLE_CHECK_P):
49 * sched-ebb.c (begin_schedule_ready): Use them.
50 * haifa-sched.c (schedule_insn, move_insn, try_ready,
51 add_to_speculative_block, create_check_block_twin, speculate_insn,
52 fix_jump_move, move_block_after_check): Ditto.
53 * sched-rgn.c (new_ready): Ditto.
55 2006-10-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
57 PR rtl-optimization/29128
58 * sched-int.h (IS_SPECULATION_BRANCHY_CHECK_P): New macro.
59 * sched-ebb.c (advance_target_bb): Use it to fix condition to
60 allow interblock movement of speculation checks.
62 2006-10-06 Zdenek Dvorak <dvorakz@suse.cz>
65 * tree-ssa-loop-ivopts.c (determine_base_object): Handle pointers
66 casted to integer type.
67 (get_address_cost): Decrease cost of [symbol + index] addressing modes
68 if they are significantly more expensive than [reg + index] ones.
70 2006-10-06 Jakub Jelinek <jakub@redhat.com>
72 PR tree-optimization/29330
73 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
74 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
75 on newly allocated ddrs.
76 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
77 to VEC (loop_p, heap) pointer.
78 (compute_data_dependences_for_loop): Adjust caller.
79 (free_dependence_relations): Free DDR_LOOP_NEST.
81 * tree-loop-linear.c (linear_transform_loops): Don't forget to
82 free DEPENDENCE_RELATIONS and DATAREFS.
85 * builtins.c (expand_builtin_sync_operation,
86 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
87 Use convert_to_mode to handle promoted arguments.
89 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
91 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
93 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
95 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
97 2006-10-05 Uros Bizjak <uros@kss-loka.si>
99 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
100 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
101 Use <modeconstraint> instead of "r" as operand 1 constraint.
103 2006-10-06 Olivier Hainque <hainque@adacore.com>
105 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
106 Don't recurse on the pointed-to type.
107 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
108 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
109 types with components of variable size.
111 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
113 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
115 2006-10-06 Jakub Jelinek <jakub@redhat.com>
117 PR tree-optimization/29290
118 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
122 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
123 * config/i386/predicates.md (local_symbolic_operand): Likewise.
126 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
127 the number of vector elements fill the rest with zeros.
129 2006-10-05 Richard Sandiford <richard@codesourcery.com>
131 * config/mips/mips.c (mips_pass_by_reference): Do not return false
132 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
135 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
137 * config/bfin/bfin.md (subsi3): Lose expander, change previously
138 unnamed pattern into subsi3. Use correct constraints/predicates.
139 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
140 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
142 2006-10-05 Ira Rosen <irar@il.ibm.com>
144 * doc/loop.texi: Add data references analysis description.
146 2006-10-04 Brooks Moses <bmoses@stanford.edu>
148 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
150 2006-10-04 Richard Henderson <rth@redhat.com>
151 Jakub Jelinek <jakub@redhat.com>
153 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
154 * builtin-types.def (BT_WORD): Make unsigned.
155 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
156 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
157 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
158 * c-decl.c (grokdeclarator): Don't error if !have_tls.
159 * c-parser.c (c_parser_omp_threadprivate): Likewise.
160 * cgraph.c (decide_is_variable_needed): Look at force_output.
161 Recurse for emulated tls.
162 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
163 checks redundant with decide_is_variable_needed.
164 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
165 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
167 * expr.c (emutls_var_address): New.
168 (expand_expr_real_1): Expand emulated tls.
169 (expand_expr_addr_expr_1): Likewise.
170 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
171 * output.h (emutls_finish): Declare.
172 * toplev.c (compile_file): Call it.
173 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
174 address before wrapping in CONST.
175 * varasm.c (emutls_htab, emutls_object_type): New.
176 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
177 (get_emutls_object_name, get_emutls_object_type): New.
178 (get_emutls_init_templ_addr, emutls_decl): New.
179 (emutls_common_1, emutls_finish): New.
180 (assemble_variable): When emulating tls, swap decls; generate
181 constructor for the emutls objects.
182 (do_assemble_alias): When emulating tls, swap decl and target name.
183 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
185 * emutls.c: New file.
186 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
187 tls_object for real tls.
189 2006-10-04 Zack Weinberg <zackw@panix.com>
191 Fix bug in constraint-check generator, reported by Rask Ingemann
193 * genpreds.c (add_constraint): Don't remove anything from the
195 (write_tm_constrs_h): Detect whether "op" argument is used, and
196 mark it ARG_UNUSED if it isn't.
197 (write_insn_const_int_ok_for_constraint): Skip the part of the
198 expression that would test whether "op" (which is not available
199 here) is a CONST_INT.
201 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
204 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
206 2006-10-03 Geoffrey Keating <geoffk@apple.com>
208 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
209 current Leopard versions.
210 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
212 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
214 * doc/install.texi: Fix typos.
216 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
218 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
219 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
220 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
222 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
224 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
225 arg to be struct mach_header_64* instead.
227 2006-10-02 Jakub Jelinek <jakub@redhat.com>
230 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
231 side effects after the outer expression's post side effects.
233 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
235 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
236 comments to reflect actual behavior and relationship between
237 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
239 * doc/c-tree.texi (Working with declarations): Fix documentation
240 of FIELD_DECL likewise.
242 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
245 * doc/extend.texi: Add used variable attribute description.
247 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
250 * c.opt (Woverride-init): New.
251 * c-opts.c (c_common_post_options): Default warn_override_init to
253 * c-typeck.c (add_pending_init, output_init_element): Warn for
254 overriding initializers without side effects.
255 * doc/invoke.texi (-Woverride-init): Document.
258 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
260 PR rtl-optimization/28096
261 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
262 assignment has already been used as a destination earlier in the block.
264 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
266 * builtins.c (expand_builtin_setjmp): Delete.
267 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
268 <BUILT_IN_SETJMP_SETUP>: New case.
269 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
270 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
271 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
272 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
273 (BUILT_IN_SETJMP_RECEIVER): Likewise.
274 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
275 (lower_function_body): Initialize it to false. If it is set to true
276 at the end of the processing, emit the setjmp dispatcher.
277 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
278 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
279 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
280 on the rhs of the assignment.
281 (lower_builtin_setjmp): New function.
282 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
283 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
284 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
285 to detect calls that can go to non-local labels. Use specific
286 helper to create the abnormal edges associated with them.
287 <MODIFY_EXPR>: Likewise.
288 (make_abnormal_goto_edges): New function extracted from...
289 (make_goto_expr_edges): ...here. Call it for computed gotos.
290 (simple_goto_p): Minor tweak.
291 (tree_can_make_abnormal_goto): New predicate.
292 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
293 (tree_purge_dead_abnormal_call_edges): New function.
294 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
295 (tree_purge_dead_abnormal_call_edges): Likewise.
296 (make_abnormal_goto_edges): Likewise.
297 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
298 Purge all dead abnormal edges if the call was in the last statement.
299 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
300 (execute_fixup_cfg): If there are non-local labels in the function,
301 scan the basic blocks and split them at calls that can go to non-local
302 labels or add missing abnormal call edges. Write down the CFG in the
304 (pass_fixup_cfg): Remove TODO_dump_func flag.
305 * unwind-sjlj.c: Poison setjmp.
306 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
307 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
308 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
309 (DONT_USE_BUILTIN_SETJMP): Document it.
311 2006-09-28 Geoffrey Keating <geoffk@apple.com>
314 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
315 to 1 when __ppc64__ is defined.
316 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
318 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
320 2006-09-28 Steve Ellcey <sje@cup.hp.com>
322 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
323 * config/ia64/unwind-hpux.c: Delete.
325 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
327 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
328 on the element before gimplifying it, instead of punting if it is of
331 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
333 * doc/loop.texi: New file.
334 * doc/gccint.texi: Reference loop.texi.
335 * Makefile.in (loop.texi): Add.
337 2006-09-27 Geoffrey Keating <geoffk@apple.com>
339 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
341 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
342 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
344 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
346 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
348 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
350 * doc/install.texi: Document required versions of GMP and MPFR.
352 2006-09-27 Paul Brook <paul@codesourcery.com>
355 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
357 2006-09-27 Richard Sandiford <richard@codesourcery.com>
359 * reload1.c (alter_reg): Require the alignment of the stack slot to
360 be at least reg_max_ref_width bytes.
361 (scan_paradoxical_subregs): Record the largest width in
364 2006-09-26 Jakub Jelinek <jakub@redhat.com>
368 * tree-nested.c (struct nesting_info): Added static_chain_added.
369 (convert_call_expr): Set static_chain_added when adding static
370 chain. Handle OMP_PARALLEL and OMP_SECTION.
372 2006-09-25 Matthias Klose <doko@debian.org>
374 * doc/invoke.texi: Add missing full stop.
376 2006-09-25 Richard Henderson <rth@redhat.com>
378 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
379 before cgraph_function_flags_ready.
381 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
382 Adam Nemet <anemet@caviumnetworks.com>
384 * tree-ssa-loop-ivopts.c (aff_combination_convert,
385 determine_common_wider_type): New functions.
386 (get_computation_aff): Use them to simplify arithmetic between
387 UBASE and CBASE if they are shortened from the same type.
389 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
392 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
393 -2147483647 - 1 instead of 0x80000000.
395 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
397 * flags.h (HONOR_NANS): Fix typo in comment.
399 2006-09-23 Uros Bizjak <uros@kss-loka.si>
401 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
403 2006-09-23 Jakub Jelinek <jakub@redhat.com>
407 * tree.c (merge_attributes, attribute_list_contained): If both
408 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
410 * c-typeck.c (comptypes_internal): Don't consider aggregates
411 in different TUs as compatible if there one set of attributes is
412 not a subset of the other type's attributes.
413 (composite_type): Try harder not to create a new aggregate type.
415 2006-09-22 Geoffrey Keating <geoffk@apple.com>
417 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
418 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
419 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
420 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
421 than replicating condition above.
422 * config.host (i[34567]86-*-*): Always use driver-i386.o.
424 * config/darwin.h (LINK_SYSROOT_SPEC): New.
425 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
426 the linker by default.
428 2006-09-22 Mike Stump <mrs@apple.com>
430 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
433 2006-09-22 Richard Guenther <rguenther@suse.de>
436 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
437 sort of stack variables stable.
439 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
442 * explow.c (force_reg): Set REG_POINTER flag according to
445 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
447 PR tree-optimization/28888
448 * tree-if-conv.c (combine_blocks): Rewritten.
449 * tree-cfg.c (tree_verify_flow_info): Check that edges with
450 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
452 2006-09-22 Jakub Jelinek <jakub@redhat.com>
454 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
457 2006-09-21 Richard Sandiford <richard@codesourcery.com>
459 * varasm.c (copy_constant): Fix reversed gcc_assert check.
461 2006-09-21 Janis Johnson <janis187@us.ibm.com>
463 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
465 2006-09-21 Roger Sayle <roger@eyesopen.com>
468 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
469 dw_fde_current_label, to be the start of the function, i.e. the same
470 value as dw_fde_begin.
472 2006-09-20 Richard Sandiford <richard@codesourcery.com>
474 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
475 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
476 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
477 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
478 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
479 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
480 (abs<mode>2, neg<mode>2): Likewise.
481 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
482 (*mips_abs_ps): New define_insn.
484 2006-09-20 Josh Conner <jconner@apple.com>
487 * calls.c (expand_call): Allow reuse of structure return stack
490 2006-09-20 Paul Brook <paul@codesourcery.com>
492 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
495 2006-09-20 Janis Johnson <janis187@us.ibm.com>
497 * doc/extend.texi (Decimal Float): Update for latest draft TR,
498 clean up terminology.
500 2006-09-20 Steve Ellcey <sje@cup.hp.com>
503 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
504 with tablejumps in them.
506 2006-09-20 Jakub Jelinek <jakub@redhat.com>
509 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
510 wrap it into TARGET_EXPR.
512 2006-09-20 Eric Christopher <echristo@apple.com>
514 * config/i386/i386.c (x86_fisttp): Remove.
515 * config/i386/i386.h (x86_fisttp): Ditto.
516 (TARGET_FISTTP): Ditto.
518 2006-09-19 Eric Christopher <echristo@apple.com>
520 * doc/tm.texi (OBJC_JBLEN): Describe.
521 * config/i386/darwin.h (OBJC_JBLEN): Define.
522 * config/rs6000/darwin.h: Ditto.
524 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
526 PR rtl-optimization/21299
527 * reload1.c (reload): Purge invalid ASMs in the final pass.
529 2006-09-19 Steve Ellcey <sje@cup.hp.com>
532 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
533 pointers as legitimate constants.
535 2006-09-19 Paul Brook <paul@codesourcery.com>
538 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
540 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
542 PR tree-optimization/28887
543 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
544 component parts from the reference.
545 (gather_memory_references_ref): Record the reference without the
546 nonaddressable component parts.
548 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
551 * c-opts.c (c_common_handle_option): Ignore the -std options
552 if the input language is assembly.
554 2006-09-17 Ira Rosen <irar@il.ibm.com>
557 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
559 (ptr_ptr_may_alias_p): Likewise.
560 (record_record_differ_p): New function.
561 (base_object_differ_p): Call record_record_differ_p.
563 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
566 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
567 away for the expr argument.
569 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
572 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
573 before using it for dumping after vectorizing loops.
575 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
576 Jack Howarth <howarth@bromo.med.uc.edu>
579 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
580 skip on error_mark_node.
581 (rs6000_darwin64_record_arg_recurse): Likewise.
583 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
585 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
586 * doc/rtl.texi: Remove related documentation.
588 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
590 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
593 2006-09-15 Jim Wilson <wilson@specifix.com>
595 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
596 Handle symbol offsets same as they are handled in ia64_expand_move
599 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
601 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
602 Add forgotten parameter to the fprintf call.
604 2006-09-15 Steve Ellcey <sje@cup.hp.com>
606 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
608 2006-09-15 Uros Bizjak <uros@kss-loka.si>
610 * doc/contrib.texi: Add my entry.
612 2006-09-15 Nick Clifton <nickc@redhat.com>
614 * doc/md.texi (Processor pipeline description): Fix typo in
615 example of how to use the absence_set directive and reword the
616 description to make it slightly easier to read.
618 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
620 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
621 * loop-doloop.c (doloop_optimize): Use it to limit costs of
622 expanding the number of iterations.
623 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
625 * cfgrtl.c (emit_insn_at_entry): New function.
626 * rtl.h (emit_insn_at_entry): Declare it.
627 * integrate.c (emit_initial_value_sets): Use it.
629 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
631 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
633 (struct loop_work and related VEC declarations): Delete.
634 (bfin_dump_loops): Print out new member bad.
635 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
636 (bfin_scan_loop): Don't recurse.
637 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
638 loops. No longer need to update outer loops if the current one is
639 found bad. Move some validitiy checks to bfin_discover_loop.
640 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
641 but changed not to check for nesting. Also changed to use the new bad
643 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
644 time. Use bitmap based test to discover loop nesting.
646 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
648 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
651 2006-09-14 Richard Guenther <rguenther@suse.de>
652 Kazu Hirata <kazu@codesourcery.com>
655 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
656 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
657 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
658 with TARGET_FUNCTION_VALUE.
660 2006-09-14 Anatoly Sokolov <aesok@post.ru>
663 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
665 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
667 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
670 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
673 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
676 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
678 * basic_block.h (bb_has_eh_pred): Fix comment.
680 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
682 * flow.c (calculate_global_regs_live): Invalidate eh registers
683 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
684 (propagate_block): Handle eh registers as if they were set at basic
686 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
688 * global.c (global_conflicts): Make eh registers to conflict with
689 pseudos live at basic block begin.
690 * basic_block.h (bb_has_eh_pred): New function.
692 2006-09-13 Richard Sandiford <richard@codesourcery.com>
694 PR rtl-optimization/28982
695 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
696 index of a PRE_MODIFY or POST_MODIFY address.
697 * reload1.c (inc_for_reload): Use find_replacement on the original
698 base and index registers.
700 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
702 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
703 for -Os. Update __m128 alignment requirement.
705 2006-09-13 Jan Hubicka <jh@suse.cz>
707 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
709 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
711 PR rtl-optimization/28243
712 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
713 the insn to which the note was originally attached.
715 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
716 Roger Sayle <roger@eyesopen.com>
718 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
719 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
720 on platforms that don't use dwarf for debug info.
722 2006-09-12 Jason Merrill <jason@redhat.com>
725 * builtins.c (expand_builtin_setjmp_receiver): Clobber
726 hard_frame_pointer_rtx after using it to update the frame pointer.
728 2006-09-12 Roger Sayle <roger@eyesopen.com>
730 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
731 (TARGET_ASM_CLOSE_PAREN): Likewise.
732 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
733 (TARGET_ASM_CLOSE_PAREN): Likewise.
735 2006-09-12 Roger Sayle <roger@eyesopen.com>
738 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
739 frame information for frames larger than 512 Kbytes on Tru64 when
740 using the native assembler.
742 2006-09-12 Roger Sayle <roger@eyesopen.com>
746 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
747 and symbols. Instead use the implementation from cse.c's hash_rtx.
749 2006-09-12 Jan Hubicka <jh@suse.cz>
751 PR rtl-optimization/28071
752 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
753 (vect_transform_loop): Likewise.
754 * tree-vectorizer.c (new_loop_vec_info): Likewise.
755 (new_loop_vec_info): Likewise.
756 (destroy_loop_vec_info): Likewise.
757 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
758 (create_stmt_ann): Likewise.
759 (create_tree_ann): Rename to ...
760 (create_tree_common_ann): ... this one; allocate only the common part
762 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
763 (get_value_handle): Likewise.
764 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
766 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
767 (vinfo_for_stmt): Use stmt annotations.
768 * tree-flow.h (tree_ann_common_t): New type.
769 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
770 (tree_ann, get_tree_ann, create_tree_ann): New.
771 * tree-flow-inline.h (get_function_ann): Do more type checking.
772 (stmt_ann): Likewise.
773 (tree_ann): Rename to ...
774 (tree_common_ann): ... this one; return ony common_ann
775 (get_tree_ann): Rename to ...
776 (tree_common_ann): This one; return only common_ann.
777 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
780 2006-09-11 Geoffrey Keating <geoffk@apple.com>
782 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
785 * dwarf2out.c (dwarf_file_data): New.
786 (enum dw_val_class): Add dw_val_class_file.
787 (struct dw_val_struct): Add val_file.
788 (file_table): Change to a hash table.
789 (file_table_emitted): Delete.
790 (file_table_last_lookup_index): Delete.
792 (last_emitted_file): New.
793 (lookup_filename): Change prototype to return a struct dwarf_file_data.
794 (init_file_table): Delete.
795 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
796 (AT_addr): Add comment.
800 (print_die): Handle dw_val_class_file.
801 (print_dwarf_line_table): Update for new file table structure.
802 (attr_checksum): Do checksum a filename.
803 (same_dw_val_p, same_attr_p): Do compare a filename.
804 (size_of_die): Handle dw_val_class_file.
805 (value_format): Likewise.
806 (output_die): Likewise. Also, call maybe_emit_file here.
807 (struct file_info): Constify filenames. Make file_idx a pointer
808 to a struct dwarf_file_data.
809 (struct dir_info): Constify directory names. Remove 'used' field.
810 (struct file_name_acquire_data): New.
811 (file_name_acquire): New.
812 (output_file_names): Modify to handle new file data structures.
813 (add_src_coords_attributes): Use add_AT_file.
814 (add_call_src_coords_attributes): Likewise.
815 (dwarf2out_imported_module_or_decl): Likewise.
816 (gen_subprogram_die): Modify for new file data structures.
817 (gen_variable_die): Likewise.
818 (file_table_eq): New.
819 (file_table_hash): New.
820 (file_table_last_lookup): New.
821 (lookup_filename): Rewrite to handle new file data structures.
822 (maybe_emit_file): Rewrite to handle new file data structures.
823 (dwarf2out_source_line): Always call lookup_filename and
825 (dwarf2out_init): Create file_table here.
826 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
827 (file_table_relative_p): New.
828 (dwarf2out_finish): Change detection of relative filenames
829 to work with new file data structures. Move output_line_info call
830 after debug_info output.
832 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
837 * config/i386/i386.c (override_options): Always default to 16
840 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
843 * var-tracking.c (dump_dataflow_set): Start dumping at
845 (clobber_variable_part): Kill only the variable part in
846 registers holding it, leaving other variables alone.
848 2006-09-11 Josh Triplett <josh@freedesktop.org>
850 * doc/extend.texi (Other Builtins): Actually use the macro
851 argument in the documentation example for
852 __builtin_types_compatible_p.
854 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
856 PR rtl-optimization/28726
857 * sched-deps.c (sched_analyze_reg): New function extracted from...
858 (sched_analyze_1): ...here. Call it to analyze references to
859 registers. Treat again writes to a stack register as writing to the
861 (sched_analyze_2): ...and here. Call it to analyze references to
862 registers. Treat again reads of a stack register as reading the
865 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
866 David Edelsohn <edelsohn@gnu.org>
869 * config/rs6000/spe.md (frob_df_di): Remove %H.
870 (frob_di_df): Remove %H. Change evmergelo to mr.
871 (frob_di_df_2): Remove %H. Change evldd to two loads.
873 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
875 * doc/cpp.texi: Fix names of charset options.
877 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
880 * config/i386/i386.c (override_options): Use 128-bit
881 stack boundary always for 64bits.
883 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
885 PR rtl-optimization/28636
886 * combine.c (force_to_mode): Test for side-effects before
887 substituting by zero.
888 (simplify_shift_const): Likewise for zero or other constants.
890 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
893 * builtins.c (expand_builtin_setjmp): Force next_lab to be
896 2006-09-10 Richard Sandiford <richard@codesourcery.com>
899 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
900 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
901 returned by mode_for_size, rather than the mode of src itself,
902 to choose between 32-bit and 64-bit patterns.
903 (mips_mem_fits_mode_p): New function.
904 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
905 that the size of the source matches the size of the destination.
906 (mov_<store>l, mov_<store>r): Likewise.
908 2006-09-10 Eric Christopher <echristo@apple.com>
910 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
913 2006-09-09 Eric Christopher <echristo@apple.com>
916 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
919 2006-09-09 Roger Sayle <roger@eyesopen.com>
920 Nicolas Setton <setton@adacore.com>
922 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
924 2006-09-10 Andreas Schwab <schwab@suse.de>
926 * config/m68k/m68k.md (bungt_rev): New pattern.
928 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
929 Dale Johannesen <dalej@apple.com>
932 * regclass.c (struct reg_pref): Update documentation.
933 (regclass): Set prefclass to NO_REGS if memory is the best option.
934 (record_reg_classes): Cope with a prefclass set to NO_REGS.
936 2006-09-08 Eric Christopher <echristo@apple.com>
938 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
939 * config/t-slibgcc-darwin: Support x86_64 multilib.
940 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
941 Return 1 for x86_64-darwin.
942 * config/i386/t-darwin: Add m64 multilib.
943 (LIB2_SIDITI_CONV_FUNCS): Use.
944 (LIB2FUNCS_EXTRA): Ditto.
945 * config/i386/darwin.h: Support x86_64.
946 * config/i386/i386.c (override_options): Turn on flag_pic
947 for x86_64-darwin. Disable flag_omit_pointer.
948 (get_pc_thunk_name): Assert !TARGET_64BIT.
949 (legitimate_address_p): Disable machopic addressing for
951 (legitimize_pic_address): Ditto.
952 (ix86_expand_move): Ditto.
953 (ix86_expand_call): Ditto.
954 (machopic_output_stub): Ditto.
955 * config/darwin.c (machopic_select_section): Support literal16.
956 (machopic_select_rtx_section): Ditto.
957 * config/darwin-sections.def: Ditto.
958 * config/darwin-64.c: New.
960 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
963 * c-tree.h (struct c_arg_info): Add pending_sizes.
964 * c-parser.c (c_parser_parms_declarator,
965 c_parser_parms_list_declarator): Initialize pending_sizes.
966 * c-decl.c (get_parm_info): Initialize pending_sizes.
967 (get_parm_info): Set pending_sizes.
968 (grokdeclarator): Call put_pending_sizes for parameters for
969 function definition only.
971 2006-09-07 Jason Merrill <jason@redhat.com>
974 * varasm.c (output_constant): Only strip actual no-op conversions.
977 * config/i386/i386.c (override_options): Use 128-bit
978 stack boundary if -msse.
980 2006-09-07 Eric Christopher <echristo@apple.com>
982 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
984 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
987 2006-09-07 Geoffrey Keating <geoffk@apple.com>
989 * dwarf2out.c: Remove strange characters from comment above
990 dwarf2out_frame_debug_expr.
992 2006-09-07 Eric Christopher <echristo@apple.com>
994 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
995 * config/darwin.h: ... to here.
997 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
999 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
1001 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
1002 (TARGET_PARTIAL_FLAG_REG_STALL): New.
1004 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
1005 TARGET_PARTIAL_FLAG_REG_STALL.
1006 (*ashldi3_cconly_rex64): Likewise.
1007 (*ashlsi3_cmp): Likewise.
1008 (*ashlsi3_cconly): Likewise.
1009 (*ashlsi3_cmp_zext): Likewise.
1010 (*ashlhi3_cmp): Likewise.
1011 (*ashlhi3_cconly): Likewise.
1012 (*ashlqi3_cmp): Likewise.
1013 (*ashlqi3_cconly): Likewise.
1014 (*ashrdi3_cmp_rex64): Likewise.
1015 (*ashrdi3_cconly_rex64): Likewise.
1016 (*ashrsi3_cmp): Likewise.
1017 (*ashrsi3_cconly): Likewise.
1018 (*ashrsi3_cmp_zext): Likewise.
1019 (*ashrhi3_cmp): Likewise.
1020 (*ashrhi3_cconly): Likewise.
1021 (*ashrqi3_cmp): Likewise.
1022 (*ashrqi3_cconly): Likewise.
1023 (*lshrdi3_cmp_rex64): Likewise.
1024 (*lshrdi3_cconly_rex64): Likewise.
1025 (*lshrsi3_cmp): Likewise.
1026 (*lshrsi3_cconly): Likewise.
1027 (*lshrsi3_cmp_zext): Likewise.
1028 (*lshrhi3_cmp): Likewise.
1029 (*lshrhi3_cconly): Likewise.
1030 (*lshrqi2_cmp): Likewise.
1031 (*lshrqi2_cconly): Likewise.
1033 2006-09-07 Uros Bizjak <uros@kss-loka.si>
1036 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
1037 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
1038 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
1039 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
1040 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
1041 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
1042 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
1043 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
1044 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
1045 implement only CC setting effects of shift instructions.
1047 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
1049 * doc/contrib.texi: Add myself.
1051 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
1054 * stor-layout.c (relayout_decl): Don't zero the alignment if it
1055 was set by the user.
1057 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
1060 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
1061 (divsi_inv_m1): Use them.
1062 (UNSPEC_DIV_INV_TABLE): New constant.
1064 2006-09-06 James E Wilson <wilson@specifix.com>
1067 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
1068 then call count_or_remove_death_notes.
1070 2006-09-06 Jason Merrill <jason@redhat.com>
1073 * tree-inline.c (copy_result_decl_to_var): New fn.
1074 (declare_return_variable): Use it. Call declare_inline_vars here.
1075 (expand_call_inline): Not here.
1077 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1079 * doc/contrib.texi: Update my entry.
1081 2006-09-06 Nick Clifton <nickc@redhat.com>
1083 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1085 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1088 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1089 (canonicalize_induction_variables): Likewise.
1090 (tree_unroll_loops_completely): Likewise.
1091 (tree_ssa_prefetch_arrays): Likewise.
1092 (remove_empty_loops): Likewise.
1093 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1094 TODO_cleanup_cfg instead of directly calling
1095 cleanup_tree_cfg_loop.
1096 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1098 (tree_unroll_loops_completely): Likewise.
1099 (remove_empty_loops): Likewise.
1100 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1101 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1102 of tree_ssa_unswitch_loops.
1103 (tree_ssa_loop_ivcanon): Use the return value of
1104 canonicalize_induction_variables.
1105 (tree_ssa_empty_loop): Use the return value of
1107 (tree_complete_unroll): Use the return value of
1108 tree_unroll_loops_completely.
1109 (tree_ssa_loop_prefetch): Use the return value of
1110 tree_ssa_prefetch_arrays.
1111 * passes.c (execute_todo): Before Cleanup CFG, set
1112 updating_used_alone and after cleanup CFG, call
1113 recalculate_used_alone.
1115 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1118 * tree-vect-transform.c (vectorizable_condition): Move the check
1119 for the type after the check for simple condition.
1121 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1122 Kaz Kojima <kkojima@gcc.gnu.org>
1125 * mode-switching.c (optimize_mode_switching): Make the destination
1126 block of an abnormal edge have no anticipatable mode. Don't
1127 insert mode switching code at the end of the source block of
1130 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1132 PR rtl-optimization/26847
1133 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1134 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1135 (simplify_plus_minus): Count n_constants while filling ops. Replace
1136 qsort with insertion sort. Before going through the array to simplify
1137 pairs, sort it. Delay early exit until after the first sort, exiting
1138 only if no swaps occurred. Simplify pairs in reversed order, without
1139 special-casing the first iteration. Pack ops after simplifying pairs.
1141 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1143 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1144 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1145 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1146 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1148 2006-09-05 Richard Guenther <rguenther@suse.de>
1150 PR tree-optimization/28900
1151 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1152 compound conditional before creating COND_EXPR condition.
1154 2006-09-05 Richard Guenther <rguenther@suse.de>
1156 PR tree-optimization/28905
1157 * tree-vrp.c (fix_equivalence_set): Manually implement
1158 !value_ranges_intersect_p to also handle symbolic ranges.
1160 2006-09-05 Richard Guenther <rguenther@suse.de>
1163 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1166 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1168 PR rtl-optimization/27616
1169 * cse.c (table_size): New static variable.
1170 (new_basic_block): Initialize it to 0.
1171 (remove_from_table): Decrement it.
1172 (insert): Increment it.
1173 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1174 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1175 fold_rtx_mem_1 if under the cap.
1176 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1177 the lookup of the equivalent expression and test for equality of the
1178 first operand of the equivalent expression before in turn looking up
1179 an equivalent constant for the second operand.
1181 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1184 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1185 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1186 pointer, instead of assuming it is possible to derive the
1187 correct args size from a call insn.
1189 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1192 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1193 (fold_builtin_mempcpy): Rename to...
1194 (fold_builtin_memory_op): ... this. Optimize one element copy
1196 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1198 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1199 (expand_builtin_memcpy, expand_builtin_mempcpy,
1200 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1201 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1202 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1203 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1205 2006-09-01 DJ Delorie <dj@redhat.com>
1207 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1208 (stzx_16): Likewise.
1209 ("stzx_24_<mode>"): Likewise.
1210 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1211 ("cmp<mode>_op"): New.
1212 (cmp<mode>): Change to expander; just save operands.
1214 (b<code>): Change to expander, emit compare here.
1215 (s<code>_op): Change to use split and expander.
1216 (s<code>_24_op): Likewise.
1217 (s<code>_<mode>): New.
1218 (s<code>_<mode>_24): New.
1219 (movqicc_<code>_<mode): New.
1220 (movhicc_<code>_<mode>): New.
1223 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1224 (m32c_pend_compare): New.
1225 (m32c_unpend_compare): New.
1226 (m32c_expand_scc): New.
1227 (m32c_expand_movcc): Emit the compare also.
1228 * config/m32c/predicates.md (mra_nopp_operand): New.
1230 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1231 Richard Guenther <rguenther@suse.de>
1232 Adam Nemet <anemet@caviumnetworks.com>
1235 * builtins.c (get_pointer_alignment): Handle more forms
1236 of base addresses that can be used to derive more precise
1237 information about alignment.
1239 2006-09-01 Jason Merrill <jason@redhat.com>
1242 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1245 * gimplify.c (voidify_wrapper_expr): Handle null type.
1247 2006-09-01 Josh Conner <jconner@apple.com>
1250 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1251 (execute_return_slot_opt): Use it.
1253 2006-08-31 Josh Conner <jconner@apple.com>
1256 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1257 returning aggregates.
1259 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1261 PR tree-optimization/28839
1262 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1263 blocks in that phi arguments appear.
1265 2006-08-31 Roger Sayle <roger@eyesopen.com>
1268 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1269 NULL, otherwise use an advance_loc4 to adjust relative to the
1271 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1272 (dwarf2out_switch_text_section): Reset the current label to avoid
1273 using advance_loc4 over section boundaries.
1275 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1278 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1279 r12 + SYMBOLIC_CONST.
1281 2006-08-30 Richard Guenther <rguenther@suse.de>
1283 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1285 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1287 PR rtl-optimization/27735
1288 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1289 Add new argument to keep track of whether an irreducible region
1290 was affected. All callers changed.
1291 (fix_irreducible_loops): Removed.
1292 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1293 flags were invalidated.
1295 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1297 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1298 instead of SF operands.
1299 (*fop_df_comm_sse): Likewise.
1300 (*fop_df_comm_i387): Likewise.
1301 (*fop_df_1_mixed): Likewise.
1302 (*fop_df_1_sse): Likewise.
1304 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1305 J"orn Rennecke <joern.rennecke@st.com>
1307 PR tree-optimization/17506
1308 * tree-ssa.c (warn_uninit): If warning about a location outside of
1309 the current function, note where the variable was declared.
1311 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1313 PR tree-optimization/28411
1314 * double-int.c (double_int_div): Use double_int_divmod.
1315 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1316 double_int_mod, double_int_smod, double_int_umod): New functions.
1317 * double-int.h (double_int_divmod, double_int_sdivmod,
1318 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1320 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1322 (get_computation_aff, get_computation_cost_at): Handle double_int
1323 return type of constant_multiple_of.
1325 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1328 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1329 an implicit conversion.
1331 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1333 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1335 2006-08-27 Roger Sayle <roger@eyesopen.com>
1337 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1340 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1342 * config/i386/crtfastmath.c: Fix a comment typo.
1344 2006-08-26 Roger Sayle <roger@eyesopen.com>
1346 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1347 temporary visit flags on CASE_LABEL_EXPRs.
1348 * c-common.c (match_case_to_enum): Add function comment. Avoid
1349 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1350 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1351 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1352 a constant, only warn if that constant value isn't handled.
1354 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1357 * input.h (restore_input_file_stack): Declare.
1358 (INPUT_FILE_STACK_BITS): Define.
1359 * toplev.c (fs_p, input_file_stack_history,
1360 input_file_stack_restored, restore_input_file_stack): New.
1361 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1362 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1363 (pop_srcloc): Don't free old state of stack.
1365 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1368 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1369 (PowerPC Type Attributes): New.
1371 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1373 * config/xtensa/xtensa.c (function_arg_boundary): New.
1374 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1376 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1377 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1379 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1382 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1385 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1387 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1388 (verify_local_live_at_start): Likewise.
1390 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1393 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1394 omp_add_variable): Treat sizes as variable whenever not
1397 2006-08-26 Richard Guenther <rguenther@suse.de>
1400 * fold-const.c (fold_binary): Fold temporary to correct
1401 type before constructing new comparison.
1403 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1406 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1407 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1409 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1412 * c-decl.c (start_function): Don't try to process prototype
1413 information from old declaration that isn't a function.
1415 2006-08-25 Jan Hubicka <jh@suse.cz>
1418 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1420 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1423 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1426 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1428 PR tree-optimization/16876
1429 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1430 exit if PARM doesn't match VALUE.
1432 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1434 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1435 literal_prefix directive.
1436 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1437 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1438 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1440 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1443 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1444 predicate to general_operand. Add 0->y and I->r alternatives.
1446 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1448 * doc/tm.texi: Fix a typo.
1449 * predict.c: Fix comment typos.
1451 2006-08-25 Nick Clifton <nickc@redhat.com>
1453 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1454 assertions of "cpu" and "machine".
1456 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1459 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1460 the access through a base which has an alias set of 0 cannot
1463 2006-08-24 Bill Wendling <wendling@apple.com>
1465 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1467 2006-08-24 Jan Hubicka <jh@suse.cz>
1469 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1471 2006-08-24 Jan Hubicka <jh@suse.cz>
1474 * cgraph.c: Fix comments.
1475 (cgraph_varpool_mark_needed_node): Mark only variables not already
1477 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1478 (cgraph_varpool_assembled_nodes_queue): New static variable.
1479 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1480 (cgraph_varpool_output_debug_info): New function.
1481 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1482 * Makefile.in: Add gt-cgraphunit.h
1484 2006-08-24 Jan Hubicka <jh@suse.cz>
1486 * predict.c (probability_reliable_p): New predicate.
1487 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1488 (predict_loops): Do not predict loop exit with less than 2%
1490 * basic-block.h (edge_probability_reliable_p,
1491 br_prob_note_reliable_p): Declare.
1492 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1493 prediction when static predictor is not reliable.
1494 * rs6000.c (output_cbranch): Likewise.
1496 2006-08-23 Stuart Hastings <stuart@apple.com>
1499 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1500 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1502 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1505 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1506 complex values, nor for generic vector values.
1508 2006-08-22 Richard Guenther <rguenther@suse.de>
1511 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1512 parameter. Convert arguments to arithmetic expression to the
1514 (analyze_scalar_evolution_1): Adjust caller.
1516 2006-08-22 Jan Hubicka <jh@suse.cz>
1518 Patch by Paolo Bonzini
1519 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1522 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1524 PR tree-optimization/28003
1525 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1526 before grouping aliases.
1528 2006-08-22 Roger Sayle <roger@eyesopen.com>
1530 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1531 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1533 2006-08-21 Jason Merrill <jason@redhat.com>
1536 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1537 wrapper. Loop to handle nested wrappers.
1538 (gimplify_bind_expr): Remove temp parameter.
1539 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1540 and STATEMENT_LIST on the rhs.
1541 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1542 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1543 (gimplify_target_expr): Remove special BIND_EXPR handling.
1545 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1547 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1550 2006-08-21 Olivier Hainque <hainque@adacore.com>
1552 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1553 Arrange for the temporary captures of components overlapping the lhs
1554 to happen before the lhs is possibly cleared.
1556 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1558 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1559 necessary places to pass the correct "number of registers" values
1562 2006-08-20 Jan Hubicka <jh@suse.cz>
1564 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1565 (create_name_tags): Instead of quadratic checking use hashtable.
1566 * bitmap.h: Include hashtab.h.
1567 (bitmap_hash): Declare.
1568 * bitmap.c (bitmap_hash): New function.
1570 2006-08-20 Jan Hubicka <jh@suse.cz>
1572 PR rtl-optimization/28071
1573 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1575 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1576 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1577 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1578 cgraph_decide_inlining_incrementally): Update use of
1579 cgraph_check_inline_limits.
1580 * cgraph.c (edge_hash, edge_eq): New function.
1581 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1582 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1583 cgraph_remove_node): Maintain call site hash.
1584 * cgraph.h (struct cgraph_node): Add call_site_hash.
1585 (cgraph_set_call_stmt): New function.
1587 2006-08-20 Jan Hubicka <jh@suse.cz>
1589 PR rtl-optimization/28071
1590 * reload1.c (reg_has_output_reload): Turn into regset.
1591 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1592 choose_reload_regs, emit_reload_insns): Update to new
1593 reg_has_output_reload.
1595 2006-08-20 Jan Hubicka <jh@suse.cz>
1598 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1599 function body sizes.
1600 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1602 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1605 * tree.c (handle_dll_attribute): Return early if not a
1606 var or function decl.
1608 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1611 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1612 alignment of SPE vector types.
1614 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1616 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1618 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1621 * cgraph.h (struct cgraph_node): Remove externally_visible
1623 * cgraphunit.c (process_function_and_variable_attributes): Set
1624 local.externally_visible rather than externally_visible.
1627 * c-common.c (handle_externally_visible_attribute): First look
1628 at TREE_CODE and only if it is function or var decl, check for
1629 non-public objects. Don't warn for DECL_EXTERNAL.
1630 * cgraphunit.c (process_function_and_variable_attributes): Warn
1631 if externally_visible attribute is used on non-public object.
1633 2006-08-17 Jan Hubicka <jh@suse.cz>
1635 PR tree-optimization/27865
1636 * reload1.c (forget_marked_reloads): New function.
1637 (forget_old_reloads_1): When data are passed, just mark the registers
1639 (reload_as_needed): Use the new mechanizm.
1641 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1644 * reload.h (reg_equiv_alt_mem_list): New declaration.
1645 * reload1.c (reg_equiv_alt_mem_list): New definition.
1646 (reload): Initialize it and release it.
1647 (delete_output_reload): Use it.
1648 * reload.c (push_reg_equiv_alt_mem): New function.
1649 (find_reloads_toplev): Call it.
1650 (find_reloads_address, find_reloads_address_1): Likewise.
1651 (find_reloads_subreg_address): Likewise.
1653 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1655 PR rtl-optimization/28489
1656 * sched-ebb.c (begin_schedule_ready): Create basic block
1658 (advance_target_bb): Skip empty blocks.
1659 * haifa-sched.c (bb_note): Make global.
1660 * sched-int.h (bb_note): Add prototype.
1662 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1664 PR tree-optimization/27865
1665 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1667 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1668 fold_used_pointer, pointer_used_p): New functions.
1669 (analyze_scalar_evolution_1): Use fold_used_pointer.
1670 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1671 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1674 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1677 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1678 or the INTEGER_CST. Fail on a CALL_EXPR.
1679 (fold_offsetof): Pass new argument to fold_offsetof_1.
1680 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1681 operand into an INDIRECT_REF.
1682 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1684 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1686 PR gcov/profile/26570
1687 * value-prof.c (static_values): Removed.
1688 (tree_find_values_to_profile): Do not set static_values.
1689 (find_values_to_profile): Do not free static_values.
1690 * profile.c (instrument_values): Do not free the values.
1691 (branch_prob): Free the values.
1693 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1695 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1697 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1700 * c-typeck.c (build_component_ref): Combine qualifiers of
1701 structure or union and field.
1703 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1705 PR rtl-optimization/28071
1706 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1707 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1708 * tree-into-ssa.c (struct dom_dfsnum): New.
1709 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1711 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1712 compute_global_livein.
1713 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1714 in phi nodes in the correct blocks.
1716 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1718 PR tree-optimization/28364
1719 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1721 (fold_affine_expr): New function.
1722 (may_eliminate_iv): Use fold_affine_expr.
1724 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1727 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1730 2006-08-16 Mike Stump <mrs@apple.com>
1732 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1733 * doc/cppopts.texi (-MD): Likewise.
1735 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1738 * c-common.c (handle_weak_attribute): Ignore and warn if
1739 not a FUNCTION_ or VAR_DECL.
1741 2006-07-15 Mike Stump <mrs@apple.com>
1744 * c-parser.c (c_parser_typeof_specifier): Don't use
1745 c_finish_expr_stmt, open code desired semantics instead.
1747 2006-08-15 Nick Clifton <nickc@redhat.com>
1749 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1750 fragment to tmake_file only if threads are enabled.
1751 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1752 * config/i386/t-gthr-win32: New file. ... here.
1754 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1757 * c-parser.c (c_parser_compound_statement_nostart): Reset
1758 parser->error after each statement.
1760 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1763 * omp-low.c (lower_omp_parallel): Convert t to
1764 receiver_decl's type.
1765 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1766 source before comparison.
1769 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1770 to itype in assignment to oldival2.
1772 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1776 * c-typeck.c (build_compound_expr): If the second expression
1777 is an error mark, then just return an error mark instead of
1778 creating a COMPOUND_EXPR.
1780 2006-07-14 Mike Stump <mrs@apple.com>
1782 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1784 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1786 * c-decl.c, var-tracking.c: Fix comment typos.
1788 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1790 PR rtl-optimization/28634
1791 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1792 for floating-point modes unless flag_unsafe_math_optimizations.
1794 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1795 Andrew Pinski <pinskia@physics.uc.edu>
1798 * tree.c (build_array_type): Unify array types with
1799 unspecified index_type.
1800 * c-decl.c (grokdeclarator): Make sure we do not modify a
1801 unified incomplete array type.
1802 * c-typeck.c (store_init_value): Create distinct type before
1803 filling in the index type in an initializer from a compound
1806 * c-decl.c (grokdeclarator): Remove code where we copy the
1809 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1811 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1812 into account for TODO_dump_cgraph.
1813 (TODO_update_ssa_no_phi): Likewise.
1814 (TODO_update_ssa_full_phi): Likewise.
1815 (TODO_update_ssa_only_virtuals): Likewise.
1816 (TODO_remove_unused_locals): Likewise.
1817 (TODO_set_props): Likewise.
1818 (TODO_update_stmt_usage): Likewise.
1820 2006-08-13 Dirk Mueller <dmueller@suse.de>
1822 * c-common.c (strict_aliasing_warning): Fix formatting.
1824 2006-08-13 Matthias Klose <doko@debian.org>
1826 * doc/invoke.texi: Fix spelling errors.
1828 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1830 PR rtl-optimization/23454
1831 * reorg.c (relax_delay_slots): Update comment.
1833 2006-08-11 Richard Guenther <rguenther@suse.de>
1836 * simplify-rtx.c (simplify_const_relational_operation):
1837 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1840 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1842 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1843 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1845 2006-08-10 Paul Brook <paul@codesourcery.com>
1847 * final.c (final_scan_insn): Clear current_insn_predicate before
1848 outputting inline asm.
1850 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1852 PR tree-optimization/26197
1853 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1854 get_ref_base_and_extent and overlap_subvar to add only relevant
1855 subvars as may-aliases.
1856 (add_may_alias_for_new_tag): New function, factored out of
1858 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1859 with additional argument.
1860 * tree-flow.h (new_type_alias): Takes additional argument.
1862 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1864 * gcov.c (no_data_file): New flag.
1865 (read_count_file): Set it if data file not present. Assume counts
1867 (output_lines): Don't name the data file, if there wasn't one.
1869 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1871 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1872 (rs6000_generate_compare): Tweak comments.
1873 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1875 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1877 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1878 (var_debug_decl): New function.
1879 (var_reg_set): Follow debug decl link. Add location even if
1880 reg is already known to hold some other variable.
1881 (var_mem_set): Follow debug decl link.
1882 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1883 decl link. Delete other known locations of the variable part
1885 (var_reg_delete, var_mem_delete): Delete other known locations
1886 of the variable part if requested.
1887 (same_variable_part_p): New function.
1888 (add_stores): Select MO_COPY when appropriate.
1889 (vt_initialize): Handle it.
1890 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1891 known locations for MO_SET and MO_CLOBBER.
1892 (find_variable_location_part): New function.
1893 (set_variable_part, delete_variable_part): Use it.
1894 (clobber_variable_part): New function.
1895 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1898 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1900 PR tree-optimization/26969
1901 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1902 with an empty list of PHIs.
1904 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1908 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1911 2006-08-06 Andreas Schwab <schwab@suse.de>
1913 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1914 string. Whitespace and comment fixup.
1916 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1919 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1923 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1926 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1928 2006-08-04 Jan Hubicka <jh@suse.cz>
1932 * reload.c (push_reload): Patch out the mismatching instruction;
1934 (find_reload): Bail out if the instruction was patched out.
1936 2006-08-04 Jan Hubicka <jh@suse.cz>
1938 PR tree-optimization/24888
1939 * tree-inline.c (expand_call_inline): Do not re-record variables.
1940 (declare_inline_vars): Add variable to unexpanded_var_list.
1942 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1943 Roger Sayle <roger@eyesopen.com>
1945 PR rtl-optimization/26244
1946 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1947 inner_const are negative or greater than or equal to the bitsize of
1948 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1949 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1950 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1951 CONST0_RTX (mode) when the new shift count is greater than or equal to
1952 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1955 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1957 * tree-cfg.c: Fix a comment typo.
1959 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1962 * varasm.c (output_constant): Give the front end another chance to
1963 expand constants, after stripping NOPs.
1965 2006-08-03 Jan Hubicka <jh@suse.cz>
1967 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1970 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1972 PR tree-optimization/27770
1973 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1974 declaration removed (moved to tree-flow.h).
1975 (vect_can_force_dr_alignment_p): Likewise.
1976 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1977 (moved from tree-vectorizer.h).
1978 (vect_can_force_dr_alignment_p): Likewise.
1979 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1980 from outside the vectorizer - in particular from cgraph stage.
1981 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1982 the alignment of global arrays when -fsection-anchors is enabled.
1983 * cgraphunit.c (cgraph_increase_alignment): New function.
1984 (cgraph_optimize): Call cgraph_increase_alignment.
1986 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1989 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1990 not reload a SPE symbol_ref into a lo_sum address.
1992 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1995 * dwarf2out.c (prune_unused_types_prune): Move call to
1996 prune_unused_types_update_strings to cover the parent DIE also.
1998 2006-08-02 Jan Hubicka <jh@suse.cz>
2000 PR gcov/profile/28480
2001 * tree-cfg.c (change_bb_for_stmt): New function.
2002 (tree_merge_blocks, tree_split_blocks): Use it.
2004 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2010 * toplev.c (compile_file): Return early on errorcount or sorrycount.
2011 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
2012 (cgraph_optimize): Likewise.
2014 2006-08-01 Stuart Hastings <stuart@apple.com>
2016 * rtl.h (UINTVAL) New.
2017 * config/rs6000/rs6000.c (SMALL_INT) Use it.
2018 * testsuite/gcc.dg/20060801-1.c: New.
2020 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
2023 * c-typeck.c (build_external_type): Mark used enum types.
2024 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
2026 (gen_subprogram_die): Whitespace fix.
2028 2006-08-01 Jan Hubicka <jh@suse.cz>
2030 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
2031 bitmap when not needed.
2032 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
2035 2006-08-01 Dirk Mueller <dmueller@suse.de>
2037 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
2039 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2041 * Makefile.in: Revert part of previous patch:
2042 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
2045 2006-07-30 Eric Christopher <echristo@apple.com>
2048 * doc/extend.texi (i386 Variable Attributes): Add anchor.
2049 (PowerPC Variable Attributes): New section.
2051 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
2053 PR target/28126 (partial fix)
2054 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
2056 2006-07-28 Jan Hubicka <jh@suse.cz>
2058 PR rtl-optimization/28071
2059 * cfgrtl.c (rtl_delete_block): Free regsets.
2060 * flow.c (allocate_bb_life_data): Re-use regsets if available.
2062 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2064 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
2065 and variables used in dependencies.
2067 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2069 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2070 %fs for -mcmodel=kernel.
2071 (stack_tls_protect_test_di): Likewise.
2073 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2075 * Makefile.in: Use mkinstalldirs.
2077 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2080 * opts-common.c (prune_options): Skip joined switches.
2082 2006-07-27 Jan Hubicka <jh@suse.cz>
2084 PR rtl-optimization/28071
2085 * cselib.c (cselib_process_insn): Don't remove useless values too
2086 often for very large hashtables.
2088 2006-07-27 Jan Hubicka <jh@suse.cz>
2090 PR rtl-optimization/28071
2091 * global.c (greg_obstack): New obstack.
2092 (allocate_bb_info): Use it.
2093 (free_bb_info): Likewise.
2094 (modify_reg_pav): Likewise.
2096 2006-07-27 Roger Sayle <roger@eyesopen.com>
2098 * builtins.c (fold_fixed_mathfn): When long and long long are the
2099 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2100 functions to their lceil*, lfloor*, lround* and lrint* forms.
2102 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2105 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2107 (rev_branch_insn): Likewise.
2109 2006-07-27 Jan Hubicka <jh@suse.cz>
2111 PR rtl-optimization/28071
2112 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2113 (reg_set_in_bb, max_reg_computed): New static variables.
2114 (regmove_optimize): Free the new array.
2115 (fixup_match_1): Update call of reg_is_remote_constant_p.
2117 2006-07-26 Jan Hubicka <jh@suse.cz>
2119 PR tree-optimization/27882
2120 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2122 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2124 (cgraph_analyze_compilation_unit): Likewise.
2125 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2126 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2127 (cgraph_early_inlinine): Make order garbage collected.
2128 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2130 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2132 * dbxout.c (output_types_sort): Add a comment.
2133 (output_used_types): Free the VEC.
2135 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2137 * function.c (reorder_fix_fragments): Delete.
2138 (reorder_blocks): Don't call it.
2139 (reorder_blocks_1): Put all subblocks under the origin block.
2141 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2143 PR rtl-optimization/27907
2144 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2147 2006-07-25 Roger Sayle <roger@eyesopen.com>
2150 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2151 bar(x) check that bar's result type can represent all the values of T.
2153 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2155 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2157 2006-07-25 Nick Clifton <nickc@redhat.com>
2159 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2160 size_lookup[] array.
2161 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2162 (ggc_pch_count_object): Likewise.
2163 (ggc_pch_alloc_object): Likewise.
2164 (ggc_pch_write_object): Likewise.
2165 (init_ggc): Do not attempt to initialize entries in the
2166 size_lookup[] array for objects whose size is greater than than
2167 the length of the array.
2169 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2171 * dbxout.c (output_used_types_helper): Push queued types
2173 (output_types_sort): New.
2174 (output_used_types): Collect used types on a VEC and sort them
2177 2006-07-24 Richard Guenther <rguenther@suse.de>
2180 * cgraph.c (cgraph_remove_node): Do not check if dumps
2182 * cgraphunit.c (cgraph_optimize): Likewise.
2184 2006-07-24 Jan Hubicka <jh@suse.cz>
2186 PR rtl-optimization/28071
2187 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2188 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2189 splitting before first stmt.
2191 2006-07-24 Jan Hubicka <jh@suse.cz>
2193 PR rtl-optimization/28071
2194 * ipa-inline.c (update_caller_keys): Remove edges that
2195 are no longer inline candidates.
2197 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2200 * dbxout.c (output_used_types_helper, output_used_types): New.
2201 (dbxout_symbol): Call output_used_types.
2203 2006-07-23 Jan Hubicka <jh@suse.cz>
2207 * cgraph.c (cgraph_varpool_nodes): Export.
2208 (decide_is_variable_needed): Ignored "used" attribute in
2209 unit-at-a-time mode.
2210 * cgraph.h (cgraph_varpool_nodes): Declare.
2211 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2212 unit-at-a-time mode.
2214 2006-07-23 Roger Sayle <roger@eyesopen.com>
2217 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2218 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2219 the __gthrw form of thr_keycreate.
2220 (__gthread_key_delete): Silence the unused argument warning.
2222 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2225 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2226 Cache the last found '\0' marker to avoid quadratic behavior.
2228 2006-07-23 Jan Hubicka <jh@suse.cz>
2230 * i386.md (subsi_3_zext): Fix output template.
2232 2006-07-21 Mike Stump <mrs@apple.com>
2234 * doc/invoke.texi (C++ Dialect Options): Note that
2235 -fvisibility-inlines-hidden doesn't affect explicitly
2236 instantiationed inline methods.
2238 2006-07-20 Roger Sayle <roger@eyesopen.com>
2240 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2241 if the target assembler is GNU binutils' gas.
2242 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2243 whether to pass GNU gas or native as command line options.
2245 2006-07-20 Jason Merrill <jason@redhat.com>
2247 * tree.c (remove_attribute): New fn.
2248 * tree.h: Declare it.
2250 2006-07-20 Paul Brook <paul@codesourcery.com>
2253 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2254 they are invalidated by this instruction.
2256 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2259 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2261 2006-07-20 Eric Christopher <echristo@apple.com>
2264 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2266 2006-07-19 Eric Christopher <echristo@apple.com>
2268 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2269 Rewrite dependencies for libgcc_s.1.dylib.
2271 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2273 * except.c (duplicate_eh_regions_1): Clear next_peer.
2275 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2277 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2278 -mlongcall does not guarantee all calls will be long.
2279 * doc/extend.texi (long_call/short_call): Document that longcall
2280 does not guarantee a long call will be used.
2281 (longcall/shortcall): Likewise.
2283 2006-07-18 Roger Sayle <roger@eyesopen.com>
2286 * expmed.c (expand_shift): Additionally check that the shift_cost
2287 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2288 before implementing a LSHIFT_EXPR as a sequence of additions.
2289 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2290 middle-end that DImode shifts need to be synthesized by expand.
2292 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2295 * tree-ssa-operands.c (access_can_touch_variable): Update
2297 Return true if ALIAS is .GLOBAL_VAR.
2299 2006-07-18 David Daney <ddaney@avtrex.com>
2301 * gcc.c (display_help): Fix typo in help text.
2303 2006-07-18 Olivier Hainque <hainque@adacore.com>
2305 * tree.h (categorize_ctor_elements): Adjust prototype and add
2306 descriptive comment, both in accordance with the interface change
2308 * varasm.c (constructor_static_from_elts_p): New function.
2309 Whether a constructor node is a valid static constant initializer
2310 if all its elements are.
2311 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2312 * output.h: Declare it.
2313 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2314 is a valid constant initializer instead of computing the number of
2315 non-constant elements. Use constructor_static_from_elts_p for this
2316 purpose. Replace the head comment with an indication that this is a
2317 helper for categorize_ctor_elements.
2318 (categorize_ctor_elements): Same interface change as for the _1
2319 helper. Former head comment from this helper moved here, adjusted to
2320 account for the interface changes.
2321 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2322 (all_zeros_p): Likewise.
2323 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2324 static versions of the constructor from the categorize_ctor_elements
2325 return value instead of the formerly computed number of non-constant
2328 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2330 * configure: Regenerate.
2331 * Makefile.in (build_libsubdir): New configure substitution
2332 (build_libobjdir): New variable.
2333 (BUILD_LIBIBERTY): Use it.
2335 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2338 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2340 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2343 * c-common.c (handle_weakref_attribute): Ignore attribute in
2344 the same conditions the alias attribute is ignored.
2346 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2348 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2349 (dbxout_begin_prologue): Increment scope_labelno.
2351 2006-07-17 Richard Henderson <rth@redhat.com>
2354 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2357 2006-07-17 Roger Sayle <roger@eyesopen.com>
2358 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2360 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2361 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2362 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2363 functions such as sbrk, write, etc.. Add function prototypes.
2364 Convert function declarations from K&R to ISO C. Cast pointers
2365 to "long" and "unsigned long" instead of "int" and "unsigned int".
2366 Convert tokens following #endif into comments.
2368 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2370 * invoke.texi: Remove mention of f77; Reformat table for
2371 inline parameter options correctly; mention that -malign-double
2372 is default on x86-64 targets.
2374 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2376 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2377 (convert_affine_scev, chrec_convert_aggressive): Use
2378 avoid_arithmetics_in_type_p. Do not check for the subtypes
2381 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2384 * optabs.c (expand_doubleword_shift): Wrap the call to
2385 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2387 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2390 * optabs.c (expand_binop): Pass next_methods rather than methods
2391 to expand_doubleword_shift.
2393 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2396 * tree.h (dump_addr): Declare.
2397 * print-tree.c (dump_addr): New function.
2398 (print_node_brief, print_node): Use it.
2399 * print-rtl.c (print_rtx): Likewise.
2400 * common.opt (-fdump-noaddr): New option.
2401 * doc/invoke.texi (-fdump-noaddr): Document.
2402 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2403 (ve_info_hash): Likewise.
2405 2006-07-13 Andrew Haley <aph@redhat.com>
2407 PR tree-optimization/19505
2408 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2409 edge leaving this block, make sure that the destination of this
2410 block has only one predecessor.
2412 2006-07-17 Richard Guenther <rguenther@suse.de>
2414 PR tree-optimization/28238
2415 * tree-inline.c (copy_bb): Check if we produced valid
2416 gimple copying and substituting a stmt. If not, gimplify
2419 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2421 * optabs.c (maybe_encapsulate_block): New function extracted from...
2422 (emit_libcall_block): ...here. Invoke it on the block of insns to
2423 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2424 (emit_no_conflict_block): Likewise.
2426 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2428 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2430 2006-07-15 Roger Sayle <roger@eyesopen.com>
2432 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2433 a new NOP_EXPR case of the switch statement.
2435 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2438 * stor-layout.c (place_field): Take the bit field with
2439 an excessive size into account in the ms-bitfiled case.
2442 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2443 the previous bit field.
2445 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2448 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2450 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2452 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2453 signal frames correctly even when the signal was installed with
2456 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2458 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2459 (dbxout_function_end): Use local label LFBB. Remove hook
2461 (dbxout_source_line): Use local label LFBB.
2462 (dbxout_block): Likewise.
2463 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2464 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2465 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2466 and DBX_OUTPUT_NFUN.
2468 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2470 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2472 2006-07-13 Jan Hubicka <jh@suse.cz>
2474 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2476 * output.h (align_variable): Declare.
2477 * varasm.c (align_variable): Export.
2478 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2479 when basic block changed.
2481 2006-07-13 Nick Clifton <nickc@redhat.com>
2483 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2484 walking the LOG_LINKS chain.
2486 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2488 * doc/invoke.texi (C++ Dialect Options): Explain difference
2489 between -fvisibility-inlines-hidden and setting hidden
2490 visibility explicitly.
2492 2006-07-12 Eric Christopher <echristo@apple.com>
2494 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2495 (stmp-lipo): Depend on libgcc.a.
2497 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2499 * tree.c: Fix a comment typo.
2501 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2503 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2505 (umulhisi3_r): Likewise.
2507 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2510 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2511 x < 19, vs wchar_t support.
2513 2006-07-12 Nick Clifton <nickc@redhat.com>
2515 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2516 instead of -isa=sh4.
2518 2006-07-12 Mike Stump <mrs@apple.com>
2520 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2522 2006-07-10 Eric Christopher <echristo@apple.com>
2524 * config/t-slibgcc-darwin: Rewrite.
2526 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2529 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2532 2006-07-08 Matthias Klose <doko@debian.org>
2534 * doc/sourcebuild.texi: Fix typo.
2536 2006-07-07 Mike Stump <mrs@apple.com>
2538 * toplev.c (process_options): Don't give -ffunction-sections may
2539 affect debugging warning for Mach-O.
2541 2006-07-07 James E Wilson <wilson@specifix.com>
2543 * config/mips/mips.md (cpu): Add sb1a.
2544 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2545 addition to sb1. Adjust comments to clarify SB-1A differences from
2547 (ir_sb1a_load): New. Modify bypasses to use it.
2548 (ir_sb1a_simple_alu): Likewise.
2549 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2550 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2551 (mips_issue_rate): Add PROCESSOR_SB1A.
2552 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2553 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2554 (TARGET_SB1): Add PROCESSOR_SB1A check.
2555 (TUNE_SB1): Likewise.
2557 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2558 * config/mips/mips.c (mips_store_data_bypass_p): New.
2559 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2560 store_data_bypass_p.
2562 2006-07-08 Paul Brook <paul@codesourcery.com>
2565 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2567 2006-07-07 Richard Guenther <rguenther@suse.de>
2570 * tree.h (build_one_cst): Declare.
2571 * tree.c (build_one_cst): New function.
2572 * tree-ssa-math-opts.c (get_constant_one): Remove.
2573 (insert_reciprocals): Use build_one_cst.
2574 * fold-const.c (fold_plusminus_mult): Likewise.
2576 2006-07-07 Roger Sayle <roger@eyesopen.com>
2578 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2579 * cfgloopanal.c (dump_graph): Likewise.
2580 * dojump.c (discard_pending_stack_adjust): Likewise.
2581 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2583 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2584 * function.c (finalize_block_changes): Likewise.
2585 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2586 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2587 * rtl.c (dump_rtx_statistics): Likewise.
2588 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2590 * varray.c (dump_varray_statistics): Likewise.
2591 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2592 decode_decimal64, encode_decimal128, decode_decimal128,
2593 decimal_real_to_decimal): Likewise.
2595 2006-07-07 Richard Guenther <rguenther@suse.de>
2597 PR tree-optimization/28187
2598 * tree-vrp.c (vrp_operand_equal_p): New function.
2599 (vrp_bitmap_equal_p): Likewise.
2600 (update_value_range): Use them to compare old and new
2603 2006-07-06 Roger Sayle <roger@eyesopen.com>
2605 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2606 a default case to switch statement to silence compiler warnings.
2608 2006-07-06 Roger Sayle <roger@eyesopen.com>
2611 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2612 the configured assembler supports the x87's ffreep mnemonic.
2613 * configure: Regenerate.
2614 * config.in: Regenerate.
2616 * config/i386/i386.c (output_387_ffreep): New function.
2617 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2618 (output_387_reg_move): Likewise.
2620 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2622 Port to hosts whose 'sort' and 'tail' implementations
2623 treat operands with leading '+' as file names, as POSIX
2624 has required since 2001. However, make sure the code still
2625 works on pre-POSIX hosts.
2626 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2627 which says you should use "tail -c +N" rather than "tail +Nc".
2628 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2630 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2632 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2635 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2638 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2639 PRE_{INC,DEC} of TFmode.
2641 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2642 Alan Modra <amodra@bigpond.net.au>
2645 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2648 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2651 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2652 Remove duplicate gtu.
2654 2006-07-05 Jason Merrill <jason@redhat.com>
2658 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2659 * c-common.c (handle_packed_attribute): So don't copy it here.
2660 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2662 2006-07-05 Mike Stump <mrs@apple.com>
2664 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2666 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2669 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2671 2006-07-05 Richard Guenther <rguenther@suse.de>
2674 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2675 TARGET_SSE2 targets if using SSE math.
2676 (*absdf2_1): Likewise.
2678 2006-07-05 Richard Guenther <rguenther@suse.de>
2680 PR tree-optimization/28162
2681 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2682 make sure to convert the operands to the correct type.
2684 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2686 PR tree-optimization/28218
2688 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2689 to calculate and free the dominator information.
2691 2006-07-04 Peter O'Gorman <peter@pogma.com>
2693 * mklibgcc.in: chmod 644 before ranlib during install.
2695 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2696 J"orn Rennecke <joern.rennecke@st.com>
2698 * configure.ac (.eh_frame data check): Use diff -b.
2700 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2703 * Makefile.in (BUILD_RTL): Add build/vec.o.
2704 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2705 (build/genextract): Delete.
2706 (build/genautomata): Likewise.
2708 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2711 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2712 128-bit IBM long doubles for ABI_V4.
2714 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2716 * tree.c (range_in_array_bounds_p): New predicate.
2717 * tree.h (range_in_array_bounds_p): Declare it.
2718 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2719 return a less conservative answer.
2720 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2721 and flag 'is_group'.
2722 (IS_ELEMENT_FOR_GROUP): New macro.
2723 (FOR_EACH_ACTUAL_CHILD): Likewise.
2724 (next_child_for_group): New helper function.
2725 (can_completely_scalarize_p): Take into account groups.
2726 (sra_hash_tree): Handle RANGE_EXPR.
2727 (sra_elt_eq): Likewise.
2728 (lookup_element): Be prepared for handling groups.
2729 (is_valid_const_index): Delete.
2730 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2731 instead of is_valid_const_index.
2732 <ARRAY_RANGE_REF>: New case.
2733 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2734 is_valid_const_index.
2735 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2736 (scan_dump): Dump info for groups too.
2737 (decide_instantiation_1): Likewise.
2738 (decide_block_copy): Assert that the element is not a group.
2739 Propagate decision to groups.
2740 (generate_one_element_ref): Handle RANGE_EXPR.
2741 (mark_no_warning): Iterate over actual childs.
2742 (generate_copy_inout): Likewise.
2743 (generate_element_copy): Likewise.
2744 (generate_element_zero): Likewise.
2745 (generate_element_init_1): Likewise.
2746 (dump_sra_elt_name): Handle RANGE_EXPR.
2748 2006-07-03 Roger Sayle <roger@eyesopen.com>
2750 PR tree-optimization/26251
2751 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2752 (thread_block): When optimizing for size refuse to thread jumps
2753 that would require duplication of blocks other than redirection
2756 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2758 * configure.ac: Fix thinko in previous check-in.
2759 * configure: Regenerate.
2761 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2764 * configure.ac (for lang...): Simplify nesting of conditionals.
2765 Test subdir_requires for non-enabled languages. Move processing
2766 of lang_opt_files and lang_tree_fiels below that test.
2767 * configure: Regenerate.
2768 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2770 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2772 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2774 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2776 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2779 2006-06-29 Jason Merrill <jason@redhat.com>
2786 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2787 * c-common.c (c_determine_visibility): Handle it here.
2788 * c-decl.c (finish_decl): Call c_determine_visibility for
2790 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2792 * varasm.c (default_assemble_visibility): Likewise.
2793 * c-common.c (handle_visibility_attribute): Complain about trying
2794 to give visibility to an already defined class, or trying to change
2795 declared visibility. Always attach the attribute.
2800 * attribs.c (decl_attributes): Ignore type-in-place attributes
2801 once the type has been defined.
2803 2006-06-29 Roger Sayle <roger@eyesopen.com>
2806 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2807 to indicate the cpplib has issued an error message for us.
2809 2006-06-29 Asher Langton <langton2@llnl.gov>
2812 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2813 insert a label at the end of an function under Mach-O.
2815 2006-06-29 Eric Christopher <echristo@apple.com>
2816 Evan Cheng <evan.cheng@apple.com>
2818 * predicates.md (vector_all_ones_operand): New.
2819 (nonimmediate_or_sse_const_operand): Ditto.
2820 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2821 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2822 (standard_sse_mode_p): Ditto.
2823 (standard_sse_constant_p): Add case for -1 vector.
2824 (ix86_expand_vector_move): Try to use.
2825 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2826 Call standard_sse_constant_opcode.
2827 (*movv4sf_internal): Ditto.
2828 (*movv2df_internal): Ditto.
2830 2006-06-29 Roger Sayle <roger@eyesopen.com>
2832 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2833 of XEXP to extract the operands of a MATCH_CODE rtx.
2835 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2837 * tree.c (tree_size): Do not waste tail padding in
2838 struct tree_string and make the size be the same as
2839 build_string will generate.
2841 2006-06-28 Jason Merrill <jason@redhat.com>
2844 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2845 may_aliases already in the tag's annotations to the bitmap.
2847 2006-06-28 Roger Sayle <roger@eyesopen.com>
2849 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2851 2006-06-28 Roger Sayle <roger@eyesopen.com>
2853 * genpreds.c (generate_switch_p): New function.
2854 (add_mode_tests): Push the new mode test down inside an AND expr
2855 if this allows the switch-suitable MATCH_CODE to be near the root.
2856 (write_match_code_switch): New function to write a MATCH_CODE as
2858 (write_predicate_stmts): New function to write a predicate RTX
2859 expression as a sequence of statements.
2860 (write_one_predicate_function): Use write_predicate_stmts.
2861 (write_tm_constrs_h): Likewise.
2863 2006-06-26 Fred Fish <fnf@specifix.com>
2865 * config/mips/t-sb1: New file.
2866 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2869 2006-06-26 DJ Delorie <dj@redhat.com>
2871 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2873 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2874 Jayant Sonar <jayants@kpitcummins.com>
2875 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2877 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2878 (subsi3, subsi3_1, subsi3_2): New.
2879 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2880 * config/m32c/mov.md (SI mov peephole): New.
2881 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2882 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2884 2006-06-26 Olivier Hainque <hainque@adacore.com>
2886 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2887 a CALL_EXPR target function declaration.
2889 2006-06-26 Richard Guenther <rguenther@suse.de>
2891 * tree.c (build_string): Do not waste tail padding in
2894 2006-06-26 Richard Guenther <rguenther@suse.de>
2896 * ggc-page.c (init_ggc): Add missing element to size_lookup
2900 2006-06-23 Richard Guenther <rguenther@suse.de>
2902 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2903 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2904 alignment requests instead. Add verification code.
2905 Add struct tree_function_decl and struct tree_binfo size to
2906 extra_order_size_table. Add missing element to size_lookup
2909 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2912 * fold-const.c (const_binop): Be prepared for self returning zero.
2913 Simplify code handling complex values.
2915 2006-06-24 Olivier Hainque <hainque@adacore.com>
2917 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2918 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2921 2006-06-24 Olivier Hainque <hainque@adacore.com>
2923 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2924 ARRAY_REF, so have the callback called for the low bound expression.
2926 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2928 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2929 * c-typeck.c (c_common_type): Disallow operations on decimal float
2930 types and other float types.
2931 * convert.c (convert_to_real): Don't ignore conversions involving
2932 decimal float types.
2934 2006-06-23 Olivier Hainque <hainque@adacore.com>
2936 * tree.c (max_int_size_in_bytes): New function, inspired from
2937 code in function.c:assign_temp.
2938 * tree.h (max_int_size_in_bytes): Declare.
2939 * function.c (assign_temp): Use it.
2940 * gimplify.c (create_tmp_var): Relax the assertions on the type
2941 properties, not mandating constant size any more.
2942 (force_constant_size): New static function.
2943 (gimple_add_tmp_var): Use it, forcing variable size to a
2944 constant upper bound if it is not constant on entry.
2946 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2949 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2950 for initialization and setting of one_only flag to ...
2951 (i386_pe_encode_section_info): ...here.
2952 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2953 Recheck that the symbol has not been defined.
2955 2006-06-23 Richard Guenther <rguenther@suse.de>
2957 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2958 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2959 alignment requests instead. Add verification code.
2960 Add struct tree_function_decl and struct tree_binfo size to
2961 extra_order_size_table. Add missing element to size_lookup
2964 2006-06-22 Roger Sayle <roger@eyesopen.com>
2965 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2968 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2969 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2971 2006-06-23 Ben Elliston <bje@au.ibm.com>
2973 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2974 negate dn -- manipulate it directly.
2976 2006-06-22 Roger Sayle <roger@eyesopen.com>
2977 Steven Bosscher <stevenb.gcc@gmail.com>
2980 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2981 generated by gen_move_insn to add REG_LABEL notes if necessary.
2983 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2985 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2986 (leaf_entry): Remove use of MIN_ESA.
2988 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2990 PR rtl-optimization/28121
2991 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2994 2006-06-21 DJ Delorie <dj@redhat.com>
2996 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2998 (mulhisi3_r): Likewise.
3000 2006-06-21 Richard Sandiford <richard@codesourcery.com>
3003 * coverage.c (coverage_counter_alloc): Leave the index type
3005 (coverage_counter_alloc): Use null arguments for operands 2 and 3
3008 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
3010 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
3011 section from the "Options for Code Generation Conventions".
3013 2006-06-21 Richard Henderson <rth@redhat.com>
3017 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
3019 (global_symbolic_operand): Allow weak symbols, even if local_p.
3021 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
3023 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
3024 (find_interesting_uses_address): Punt if above function returns true.
3026 2006-06-21 Richard Guenther <rguenther@suse.de>
3028 * configure: Regenerated.
3030 2006-06-21 Joseph Myers <joseph@codesourcery.com>
3032 * config/mips/mips.c (function_arg): Where one part of a
3033 complex argument is in registers and the other part in the stack,
3034 return a REG not a PARALLEL.
3036 2006-06-21 Mark Mitchell <mark@codesourcery.com>
3038 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
3039 when cross-compiling. Do not substitute libstdcxx_incdir.
3040 * configure: Regenerated.
3042 2006-06-21 Jakub Jelinek <jakub@redhat.com>
3044 * varasm.c (mergeable_string_section): Check for embedded NULs and
3045 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
3046 rather than TREE_STRING_LENGTH bytes.
3048 2006-06-21 Richard Guenther <rguenther@suse.de>
3050 * ggc-page.c (extra_order_size_table): Add var_ann_d,
3051 tree_ssa_name, bitmap_element and phi_node with 4 arguments
3054 2006-06-21 Richrad Guenther <rguenther@suse.de>
3056 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
3057 Limit iteration over the dominators.
3059 2006-06-20 Roger Sayle <roger@eyesopen.com>
3061 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
3062 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
3064 2006-06-20 Richard Guenther <rguenther@suse.de>
3065 Michael Matz <matz@suse.de>
3067 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3069 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3070 * et-forest.h (et_free_pools): Prototype new function.
3071 * et-forest.c (et_free_tree_force): Free parent occurrence.
3072 (et_free_pools): New function.
3073 * dominance.c (free_dominance_info): Free et-forest alloc
3076 2006-06-20 Roger Sayle <roger@eyesopen.com>
3078 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3079 integer modes, attempt to directly construct an integer constant.
3081 * fold-const.c (native_encode_vector): Determine the size of each
3082 element from the vector type instead of the first vector element.
3084 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3085 if all of its elements/components are constant.
3086 (build_constructor_from_list): Likewise.
3088 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3090 PR tree-optimization/27331
3091 * tree-data-ref.c (free_data_ref): New function.
3092 (create_data_ref): Fail if the data reference has unknown access
3094 (free_data_refs): Use free_data_ref.
3096 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3099 * tree-inline.c (setup_one_parameter): Strip useless
3100 type conversion before adding it to the IR.
3101 (declare_return_variable): Likewise.
3103 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3106 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3108 2006-06-19 Mike Stump <mrs@apple.com>
3110 * tree.c (variably_modified_type_p): VM arguments don't make the
3113 2006-06-19 Richard Guenther <rguenther@suse.de>
3115 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3116 type conversions after folding.
3118 2006-06-19 Richard Guenther <rguenther@suse.de>
3120 * ggc-page.c (extra_order_size_tab): Add entries with
3121 size of struct function and basic_block.
3122 (size_lookup): Extend to cover sizes up to 511.
3123 (ggc_alloc_stat): Adjust user.
3124 (ggc_pch_count_object): Likewise.
3125 (ggc_pch_alloc_object): Likewise.
3126 (ggc_pch_write_object): Likewise.
3128 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3130 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3131 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3134 2006-06-19 Denis Chertykov <denisc@overta.ru>
3136 * config/avr/libgcc.S : Correct my wrong previous commit.
3138 2006-06-19 Roger Sayle <roger@eyesopen.com>
3141 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3142 have stripped a SUBREG from the shift count, so we may need to
3143 convert_to_mode back to the type's mode before calling make_tree.
3144 Use new_amount instead of amount to avoid expanding a tree twice.
3146 2006-06-19 Richard Guenther <rguenther@suse.de>
3149 * fold-const.c (operand_equal_p): Check if the argument types
3150 have the same precision before stripping NOPs.
3152 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3154 Fix PR tree-optimization/27341
3155 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3157 * tree-complex.c (pass_lower_complex): Update SMT usage.
3159 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3161 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3162 Add a new alternative to the constraint strings. Add move of
3163 operand 1 to 3 to the splitter definition.
3164 ("doloop_si_long"): Second contraint alternative removed.
3166 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3168 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3169 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3171 (AVR_HAVE_MOVW) Define.
3172 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3173 (ASM_SPEC): Add avr25.
3174 (LINK_SPEC): Add avr25.
3175 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3176 (base_arch_s): Add new member 'have_movw_lpmx'.
3177 (avr_arch_types): Init 'have_movw_lpmx'.
3178 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3179 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3180 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3181 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3182 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3184 (avr_file_start): Do not output '.arh' derective.
3185 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3186 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3187 * config/avr/avr.md (mcu_enhanced): Delete.
3188 (mcu_have_movw): Define.
3189 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3190 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3191 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3192 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3193 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3194 attiny861 and at86rf401 devices.
3196 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3198 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3201 2006-06-17 Karl Berry <karl@gnu.org>
3203 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3204 doc/gccint.texi, doc/install.texi (@dircategory): Use
3205 "Software development" instead of "Programming", following
3206 the Free Software Directory.
3208 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3210 * config/i386/i386.c (legitimate_tls_address)
3211 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3212 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3213 (*tls_dynamic_gnu2_combine_64): Likewise.
3215 2006-06-16 Richard Guenther <rguenther@suse.de>
3218 * fold-const.c (negate_expr_p): Do not introduce undefined
3219 overflow in negating INTEGER_CSTs.
3220 (fold_negate_expr): Rename from negate_expr. Revert last
3221 change for folding BIT_NOT_EXPR. Change semantics to
3222 return NULL_TREE for non-simplified negations. Do not
3223 strip type conversions and unify type handling.
3224 (negate_expr): New function, wrap around fold_negate_expr
3225 but ensure building a tree always. Strip type conversions
3226 here, fold to result type.
3227 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3229 2006-06-16 Roger Sayle <roger@eyesopen.com>
3232 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3233 that (would) return their results in stack registers.
3235 2006-06-16 Michael Matz <matz@suse.de>
3236 Richard Guenther <rguenther@suse.de>
3238 * fold-const.c (fold_truthop): Only return new tree node if
3239 we canonicalized something.
3241 2006-06-16 Richard Guenther <rguenther@suse.de>
3243 * function.h (enum function_frequency): Move declaration
3244 out of struct function.
3245 (struct function): Move bool fields and the enum to the bitfield
3246 section. Reorder elements to avoid padding. Remove unused
3247 fields left over from the RTL inliner removal.
3248 * function.c (free_after_compilation): Do not zero removed fields.
3249 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3250 (ipa-type-escape.o): Likewise.
3252 2006-06-16 Richard Guenther <rguenther@suse.de>
3254 * cgraph.h (struct cgraph_local_info): Turn bool elements
3256 (struct cgraph_node): Likewise.
3257 (struct cgraph_varpool_node): Likewise.
3259 2006-06-15 Richard Guenther <rguenther@suse.de>
3261 * fold-const.c (fold_truth_not_expr): Rename from
3262 invert_truthvalue. Give it fold_* semantics to avoid
3264 (invert_truthvalue): New function. Wrapper around
3265 fold_truth_not_expr.
3266 (optimize_minmax_comparison): Avoid creating garbage.
3267 (fold_unary): Use fold_truth_not_expr for folding
3269 (fold_ternary): Replace uses of invert_truthvalue with
3270 fold_truth_not_expr where applicable.
3271 * tree.h (fold_truth_not_expr): Prototype.
3273 2006-06-16 Richard Guenther <rguenther@suse.de>
3275 PR tree-optimization/27781
3276 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3277 * ipa-pure-const.c (target.h): Include.
3278 (analyze_function): Do not analyze functions that do not
3281 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3284 * tree-dfa.c (referenced_vars_dup_list): Remove.
3285 (find_referenced_vars): Remove assert.
3286 (referenced_var_check_and_insert): Replace dup list with assert.
3287 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3288 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3290 2006-06-15 Richard Guenther <rguenther@suse.de>
3292 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3293 extra unused identifiers if not dumping.
3294 (create_variable_info_for): Likewise.
3296 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3298 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3299 (derive_constant_upper_bound): Derive more precise upper bound in
3300 common cases. Return type changed to double_int.
3301 (record_estimate): Reflect the changed return type of
3302 derive_constant_upper_bound.
3303 * double-int.c (double_int_zext, double_int_sext): Fix.
3305 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3307 * configure.ac (CFLAGS): Get them from the toplevel or from the
3308 configure invocation.
3309 * configure: Regenerate.
3310 * Makefile.in (CFLAGS): Substitute value provided by configure.
3312 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3315 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3316 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3317 rather than calling add_stmt on it.
3318 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3320 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3323 * reload1.c (reload): Remove registers returned by update_eliminables
3324 from used_spill_regs.
3326 2006-06-13 DJ Delorie <dj@redhat.com>
3328 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3330 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3332 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3333 html__strip_dir, html__mkdir_p. Enhance install-html target.
3334 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3335 * configure: Regenerate.
3337 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3339 * fold-const.c (fold_cond_expr_with_comparison): Check for
3340 Objective-C++ as language in deciding COND_EXPR transformation.
3342 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3345 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3346 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3347 * config/sh/lib1funcs.h (SL, SL1): Define.
3348 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3349 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3350 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3351 (OBJS_Os_4_200): New variable.
3352 ($(T)libgcc-Os-4-200.a): Use it.
3353 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3354 when dividing 1 and/or by 0.
3356 2006-06-13 Roger Sayle <roger@eyesopen.com>
3358 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3359 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3360 * configure: Regenerate.
3362 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3364 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3365 for real instruction.
3367 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3370 * haifa-sched.c (check_cfg): Handle special case.
3372 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3375 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3376 Add debug_info parameter. Chain the vars to the BLOCK instead
3377 of the BIND_EXPR if debug info are requested for them.
3378 (pop_gimplify_context): Adjust for above change.
3379 (gimple_add_tmp_var): Likewise.
3380 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3382 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3383 (convert_local_reference): Likewise.
3384 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3385 (finalize_nesting_tree_1): Request that debug info be emitted
3386 for debug_var_chain.
3388 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3390 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3391 for PR target/27863.
3393 2006-06-13 Richard Guenther <rguenther@suse.de>
3396 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3398 2006-06-13 Richard Guenther <rguenther@suse.de>
3400 PR tree-optimization/27830
3401 * tree-inline.c (copy_body_r): For copying the operand
3402 of an ADDR_EXPR make sure to fold &* afterwards.
3404 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3406 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3407 lvalues in the fb_none case with side-effects.
3409 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3411 * tree-flow.h: Remove the prototype for
3412 compute_phi_arg_on_exit.
3413 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3414 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3417 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3419 * builtins.c (expand_builtin_return_addr): Only use
3420 frame_pointer_rtx when count == 0 and we are expanding
3421 __builtin_return_address.
3423 2006-06-12 Fred Fish <fnf@specifix.com>
3425 * config/mips/mips.c (mips_file_start): Create special section
3426 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3428 2006-06-11 Eric Christopher <echristo@apple.com>
3431 * stor-layout.c (place_field): Remove check for
3432 remaining_in_alignment when aligning at the end of a run.
3434 2006-06-11 Eric Christopher <echristo@apple.com>
3437 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3440 2006-06-11 Roger Sayle <roger@eyesopen.com>
3443 Revert incorrect fix for PR target/27158
3444 2006-05-08 Roger Sayle <roger@eyesopen.com>
3445 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3446 of a reg_equiv_constant if the result is a legitimate constant.
3448 2006-06-11 Roger Sayle <roger@eyesopen.com>
3451 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3452 extract a CONST_VECTOR element and interpret it as an integer.
3453 (vspltis_constant): Use const_vector_elt_as_int instead of the
3454 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3455 * config/rs6000/predicates.md (easy_vector_const): Consider
3456 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3458 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3461 * stor-layout.c (update_alignment_for_field): Don't add extra
3462 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3465 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3467 * config/mips/t-rtems: Add EL/EB multilib variants.
3469 2006-06-09 Mike Stump <mrs@apple.com>
3471 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3473 2006-06-09 David Daney <ddaney@avtrex.com>
3475 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3477 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3479 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3481 2006-06-09 Richard Guenther <rguenther@suse.de>
3483 PR tree-optimization/26998
3484 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3485 of signed types, only TYPE_MIN_VALUE is special, but for both,
3486 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3487 in this case, as is -fwrapv.
3489 2006-06-08 Mike Stump <mrs@apple.com>
3492 * config/darwin.c (darwin_asm_output_anchor): Disable
3493 -fsection-anchors on darwin for now.
3494 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3495 * rs6000/rs6000.c (optimization_options): Likewise.
3497 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3500 * config/i386/i386.c (classify_argument): Skip fields with invalid
3503 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3505 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3506 (cse_insn): Likewise for the stack_pointer_rtx.
3508 2006-06-08 Roger Sayle <roger@eyesopen.com>
3510 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3511 conditions from floating point comparisons.
3513 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3516 * expmed.c (struct alg_hash_entry): Fix type of field T
3517 to match synth_mult argument.
3518 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3520 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3523 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3526 2006-06-08 Richard Guenther <rguenther@suse.de>
3529 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3530 only, if overflow is defined and not trapping.
3531 (negate_expr): Likewise.
3533 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3535 PR tree-optimization/27872
3536 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3537 flag on the new exit edge of the unrolled loop.
3539 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3541 PR rtl-optimization/26449
3542 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3544 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3547 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3548 referenced_variables with matching DECL_UID's.
3549 (find_referenced_vars): Make sure duplicate list is empty to start.
3550 (referenced_var_p): Remove.
3551 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3552 Check if var is in the list, and add if needed. Update the duplicate
3553 list if a different var is in the list with the same DECL_UID.
3554 (add_referenced_var): Call routine to check and insert.
3555 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3556 * tree-flow.h (referenced_vars_dup_list): External declaration.
3558 2006-06-07 Fred Fish <fnf@specifix.com>
3560 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3563 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3566 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3567 the imaginary and real parts of a clobbered register.
3568 Emit insn to set the imaginary part.
3570 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3572 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3573 in lieu of unwind-dw2-fde.c.
3575 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3577 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3579 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3582 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3583 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3584 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3585 V4SImode temporaries and operations instead.
3587 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3589 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3592 2006-06-06 Mike Stump <mrs@apple.com>
3594 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3595 installing during build.
3597 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3599 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3601 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3602 * config/ia64/ia64.c (params.h): New header.
3603 (ia64_optimization_options): New function to adjust parameters.
3604 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3605 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3606 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3608 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3610 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3612 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3615 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3617 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3618 Victor Kaplansky <victork@il.ibm.com>
3620 PR tree-optimization/26360
3621 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3624 2006-06-04 Roger Sayle <roger@eyesopen.com>
3625 Andrew Pinski <pinskia@physics.uc.edu>
3628 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3629 for LABEL_DECL before calling DECL_WEAK.
3632 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3633 LABEL_DECL and PARM_DECL.
3635 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3639 * c-decl.c (grokdeclarator): Disallow variably modified types at
3640 file scope. Avoid marking shared array type of constant size as
3643 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3646 * c-common.c (fold_offsetof_1): Handle static members.
3648 2006-06-04 Eric Christopher <echristo@apple.com>
3650 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3651 (debug_rli): Output value for remaining_in_alignment.
3652 (update_alignment_for_field): Unconditionalize
3653 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3654 extra alignment code.
3655 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3656 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3657 * tree.h (record_layout_info_s): Remove prev_packed.
3658 * doc/extend.texi (ms_struct): Add documentation of format.
3660 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3662 * tree.h: Declare folding_initializer.
3663 * builtins.c (fold_builtin_constant_p): Give definite answer
3664 if folding inside an initializer.
3665 * fold-const.c: Define folding_initializer.
3666 (START_FOLD_INIT): Save and then set folding_initializer.
3667 (END_FOLD_INIT): Restore folding_initializer.
3669 2006-06-04 Richard Guenther <rguenther@suse.de>
3671 PR tree-optimization/27039
3672 * fold-const.c (fold_comparison): Handle pointer comparison
3673 again for all comparison codes. Compare offsets in signed
3675 (fold_binary): Move code from here.
3677 2006-06-03 Roger Sayle <roger@eyesopen.com>
3680 * config/i386/i386.c (construct_container): Split static issued_error
3681 flag into issued_sse_arg_error, issued_sse_ret_error and
3682 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3683 requires the use of x87 registers and the user explicitly
3684 specified the -mno-80387 command line option.
3686 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3688 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3689 HAVE_DECL_SIGALTSTACK.
3691 (segv_handler): Use MC_FLD.
3692 * configure.ac: Check for a sigaltstack declaration.
3693 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3694 * configure: Regenerate.
3695 * config.in: Regenerate.
3697 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3700 * Makefile.in (stmp-fixinc): Fix typo.
3702 2006-06-02 Roger Sayle <roger@eyesopen.com>
3704 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3705 are type correct. Clean-up.
3706 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3707 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3709 2006-06-01 DJ Delorie <dj@redhat.com>
3711 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3712 shift, as we've disabled the "switch" insn that needs it.
3714 2006-06-01 Per Bothner <bothner@bothner.com>
3716 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3717 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3718 * c-ppoutput.c (cb_define): Don't increment line 0.
3720 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3722 * doc/invoke.texi: Add cpu_type power6.
3723 * config.gcc: Add cpu_type power6.
3724 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3725 to power5+ with Altivec.
3726 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3727 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3729 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3731 * config/avr/avr.h (SET_ASM_OP): Define.
3733 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3735 * config/bfin/bfin.c: Fix comment typos.
3737 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3740 * doc/install.texi: Document --enable-bootstrap and
3741 --disable-bootstrap.
3743 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3745 * doc/install.texi: Document that InfoZIP can replace jar.
3747 2006-05-31 Roger Sayle <roger@eyesopen.com>
3749 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3750 isn't available, directly generate the simpler x87 patterns without
3751 the (use (const_int 0)).
3752 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3753 implementation isn't available.
3754 (*negdf2_1): Likewise.
3755 (*negxf2_1): XF mode negation is always done using the x87.
3756 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3758 2006-05-31 Roger Sayle <roger@eyesopen.com>
3760 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3761 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3763 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3765 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3767 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3768 * config/bfin/bfin.c (basic-block.h): Include.
3769 (struct machine_function): New.
3770 (bfin_init_machine_status): New.
3771 (override_options): Initialize init_machine_status.
3772 (bfin_hardware_loop): New.
3773 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3774 (DEF_VEC_P (loop_info)): New.
3775 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3776 (struct loop_info): New.
3777 (loop_info): New typedef.
3778 (struct loop_work): New.
3779 (loop_work): New typedef.
3780 (DEF_VEC_O (loop_work)): New.
3781 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3782 (bfin_dump_loops): New.
3783 (bfin_bb_in_loop): New.
3784 (bfin_scan_loop): New.
3785 (bfin_optimize_loop): New.
3786 (bfin_reorg_loops): New.
3787 (bfin_reorg): Use bfin_reorg_loops.
3788 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3790 (I_REGNO_P): Simplify.
3791 (DP_REGNO_P, DPREG_P): New macros.
3792 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3793 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3794 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3795 Add LT_REGS, LC_REGS, LB_REGS.
3796 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3798 (REGNO_REG_CLASS): Deal with loop registers.
3799 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3801 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3802 New constants for loop registers.
3803 (UNSPEC_LSETUP_END): New.
3804 (seq_insns): New define_attr. Set it for appropriate insns.
3805 (movsi_insn): Add alternatives for move from/to
3806 loop count registers.
3807 (doloop_end): New define_expand.
3808 (loop_end): New define_insn.
3809 (define_split for bad doloop_end): New.
3810 (lsetup_with_autoinit): New define_insn.
3811 (lsetup_without_autoinit): New define_insn.
3812 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3813 * config/bfin/predicates.md (lc_register_operand): New.
3814 (lt_register_operand): New.
3815 (lb_register_operand): New.
3816 (nondp_register_operand): New.
3817 (nondp_reg_or_memory_operand): New.
3818 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3820 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3822 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3823 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3825 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3827 * Makefile.in (CATALOGS): Add po/ prefix.
3828 * configure: Regenerated.
3830 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3833 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3834 a shift operand before calling shift_op. Avoid redundant call of
3837 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3838 DJ Delorie <dj@redhat.com>
3840 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3841 we're inserting is a singlt-bit constant.
3843 2006-05-30 Roger Sayle <roger@eyesopen.com>
3845 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3846 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3848 2006-05-30 Roger Sayle <roger@eyesopen.com>
3850 PR tree-optimization/23452
3851 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3852 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3853 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3854 complex values and with -ffast-math for FP complex values.
3856 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3858 * c-common.h: Remove the prototype for yyparse.
3859 * rtl.h: Remove the prototype for init_loop.
3861 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3863 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3866 2006-05-30 Roger Sayle <roger@eyesopen.com>
3868 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3870 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3871 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3873 2006-05-30 Dirk Mueller <dmueller@suse.de>
3876 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3877 for CONSTANT_CLASS_P expresisons.
3879 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3882 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3884 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3886 PR tree-optimization/27779
3887 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3888 initial_condition instead of CHREC_LEFT.
3890 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3892 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3893 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3894 Make prototypes ISO C90.
3896 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3897 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3899 * see.c (see_analyze_one_def): Correct check.
3900 (see_get_extension_data): Check if extension is parallel.
3901 (see_get_extension_reg): Likewise.
3903 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3906 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3907 into register for (code == GTU).
3909 2006-05-29 Roger Sayle <roger@eyesopen.com>
3911 PR tree-optimization/24964
3912 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3913 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3914 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3915 abs(x)*abs(x) as x*x for scalar floating point modes.
3917 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3920 * lambda-code.c (perfect_nestify): Don't copy statements
3921 in the inner loop: move them to the inner loop header.
3923 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3926 * c-tree.texi: Document OpenMP directives and clauses.
3928 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3930 * varasm.c (globalize_decl): Fix indentation.
3932 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3935 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3936 pass_fre, pass_store_ccp, pass_copy_prop,
3937 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3938 pass_return_slot, pass_object_size, pass_lim,
3939 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3940 pass_loop_prefetch and pass_stdarg.
3942 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3944 * config/bfin/bfin.opt (mfdpic): New option.
3945 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3946 (EXTRA_MULTILIB_PARTS): Likewise.
3947 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3948 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3950 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3951 (CRT_CALL_STATIC_FUNCTION): New.
3952 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3954 (CRT_CALL_STATIC_FUNCTION): New.
3955 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3957 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3958 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3959 (initialize_trampoline): Changed to handle FD-PIC code generation.
3960 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3961 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3962 (override_options): Disallow -mid-shared-library -mfdpic combination.
3963 Can't do unaligned ops if FD-PIC.
3964 Turn off flag_pic if trying to generate non-id-shared-library
3965 non-fdpic code, since it's not supported.
3966 (bfin_assemble_integer): New function.
3967 (TARGET_ASM_INTEGER): Define.
3968 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3970 * config/bfin/crtn.s: Restore them.
3971 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3973 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3974 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3975 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3976 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3977 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3979 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3980 FDPIC_REGS and FDPIC_FPTR_REGS.
3981 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3982 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3983 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3984 (load_funcdescsi): New pattern.
3985 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3986 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3987 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3989 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3991 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3994 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3996 * tree-flow.h: Remove the prototype for add_type_alias.
3997 * tree-ssa-alias.c (add_type_alias): Remove.
3999 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
4001 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
4002 config/fr30/fr30.md, config/i386/i386-interix.h,
4003 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
4004 config/sh/superh64.h, config/v850/v850.c, df-core.c,
4005 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
4006 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
4007 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
4008 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
4009 Follow spelling conventions.
4010 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
4011 Follow spelling conventions.
4013 2006-05-27 Richard Guenther <rguenther@suse.de>
4016 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
4017 to produce a constant of value 1 of generic type.
4019 2006-05-27 Dirk Mueller <dmueller@suse.de>
4021 * cgraphunit.c (decide_is_function_needed): Fix wrong
4024 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
4026 PR rtl-optimization/27661
4027 * reload.c (find_reloads): When reloading a VOIDmode constant
4028 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
4029 use Pmode as mode of the reload register.
4031 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
4033 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
4034 is enabled at -O and above.
4036 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
4039 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
4042 2006-05-25 Mark Mitchell <mark@codesourcery.com>
4045 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
4046 for anonymous variables explicitly declared by front ends.
4048 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4050 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
4051 (struct alias_info): Add new field ref_all_symbol_mem_tag.
4052 * tree-ssa-alias.c (compute_may_aliases): If the program contains
4053 ref-all pointers, run a finalization pass for them.
4054 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
4055 (finalize_ref_all_pointers): New function.
4056 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
4057 regular pointer type to a ref-all pointer type.
4058 (get_tmt_for): Return the special memory tag for ref-all pointers.
4060 2006-05-25 Richard Guenther <rguenther@suse.de>
4063 * fold-const.c (fold_binary): Do not look at the stripped
4064 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
4066 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
4068 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4069 for LT and GT if the computed range is effectively empty.
4071 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4074 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4075 mips_quad_format formats instead of ieee_single_format,
4076 ieee_double_format and ieee_quad_format formats, respectively.
4078 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4080 PR tree-optimization/27639
4081 PR tree-optimization/26719
4082 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4083 call to scev_probably_wraps_p.
4084 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4085 used_in_pointer_arithmetic_p, convert_step): Removed.
4086 (nowrap_type_p): New function.
4087 (scev_probably_wraps_p): Rewritten.
4088 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4089 chrec_convert if chrec_convert_aggressive might have been used.
4090 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4091 scev_direction): New functions.
4092 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4093 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4094 instead of convert_step.
4095 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4096 (convert_step): Declaration removed.
4097 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4099 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4101 * df-core.c: Added to header comments.
4102 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4103 df_ur_bb_info, df_urec_bb_info): Added comments.
4104 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4105 urec, ri problems): Fixed header comments.
4106 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4107 code from df_rd_transfer_function.
4109 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4111 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4112 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4113 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4115 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4117 * expr.c (undefined_operand_subword_p): New.
4118 (emit_move_multi_word): Do not generate move from undefined bits
4119 of a paradoxical subreg.
4121 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4123 PR rtl-optimization/27736
4124 * combine.c (replaced_rhs_value): New variable.
4125 (combine_instructions): Set it.
4126 (distribute_notes): When distributing a note in replaced_rhs_insn,
4127 check whether the value was used in replaced_rhs_value.
4129 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4132 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4133 add_referenced_var instead of add_referenced_tmp_var.
4134 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4135 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4137 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4138 tree_optimize_tail_calls_1): Use add_referenced_var.
4139 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4140 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4141 Use add_referenced_var.
4142 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4143 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4144 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4145 Use add_referenced_var.
4146 * tree-dfa.c (struct walk_state): Remove.
4147 (find_referenced_vars): Remove walk state and vars_found hash table.
4148 (make_rename_temp): Use add_referenced_var.
4149 (find_vars_r): Pass less parameters to add_referenced_var.
4150 (referenced_var_p): New. Is var in referenced_var hash table.
4151 (referenced_var_insert): Assert var isn't already in hash table.
4152 (add_referenced_var): Don't need walk_state parameter. Add var if it
4153 isn't already in the hash table.
4154 (add_referenced_tmp_var): Remove.
4155 (find_new_referenced_vars_1): Use add_referenced_var.
4156 * tree-ssa-pre.c (create_expression_by_pieces,
4157 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4158 Use add_referenced_var.
4159 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4160 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4161 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4163 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4164 vect_create_data_ref_ptr, vect_create_destination_var,
4165 vect_init_vector, vect_build_loop_niters,
4166 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4167 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4168 Use add_referenced_var.
4169 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4170 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4171 (add_referenced_var): Add prototype.
4172 * tree-ssa-structalias.c (get_constraint_for,
4173 intra_create_variable_infos): Use add_referenced_var.
4175 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4177 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4178 big-endian paradoxical subregs.
4179 * var-tracking.c (struct micro_operation_def): Document that,
4180 for modify micro operations, insn is the subsequent instruction.
4181 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4182 (var_reg_set, var_mem_set): ... new functions.
4183 (add_stores): Record subsequent insn.
4184 (compute_bb_dataflow): Use new functions for MO_USE.
4185 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4186 notes after the insn, and modify notes before the insn known
4187 to be the subsequent one.
4188 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4190 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4193 * config/i386/i386.c (ix86_expand_builtin): Use
4194 gen_sse3_monitor64 for TARGET_64BIT.
4196 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4198 PR rtl-optimization/26375
4199 PR rtl-optimization/26855
4200 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4202 (df_ru_bb_local_compute): Reversed statements and removed bogus
4203 comment explaining why they should be in wrong order.
4204 (df_ru_dump, df_rd_dump): Enhanced debug info.
4205 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4207 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4208 reaching uses and fixed space problem.
4210 2006-05-23 Jan Hubicka <jh@suse.cz>
4212 * cgraphunit.c (decide_is_function_needed): Also nested functions
4213 and functions declared inline can be optimized out at -O0.
4215 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4217 * doc/install.texi (Configuration): Remove reference to CrossGCC
4221 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4224 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4225 ix86_compare_emitted is non-NULL.
4227 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4230 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4233 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4235 PR rtl-optimization/25514
4236 * combine.c (replaced_rhs_insn): New variable.
4237 (combine_instructions): Set replaced_rhs_insn when trying to replace
4238 a SET_SRC with a REG_EQUAL note.
4239 (distribute_notes): Use replaced_rhs_insn when determining the live
4240 range of a REG_DEAD register.
4242 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4243 Anatoly Sokolov <aesok@post.ru>
4245 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4246 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4247 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4248 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4249 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4250 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4251 at90usb647, at90usb1286 and at90usb1287 devices.
4252 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4253 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4255 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4257 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4259 2006-05-22 Richard Guenther <rguenther@suse.de>
4262 2006-01-31 Richard Guenther <rguenther@suse.de>
4263 Paolo Bonzini <bonzini@gnu.org>
4265 * doc/install.texi (--disable-libgcc-math): Document.
4267 2006-05-22 Richard Guenther <rguenther@suse.de>
4270 2006-01-31 Richard Guenther <rguenther@suse.de>
4272 * doc/invoke.texi (-msselibm): Document.
4273 * target.h (expand_library_builtin): New target hook.
4274 * builtins.c (expand_builtin): Use expand_library_builtin.
4275 (default_expand_library_builtin): New function.
4276 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4277 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4278 (link_gcc_math_spec): Declare.
4279 (static_specs): Add link_gcc_math_spec.
4280 * expr.h (default_expand_library_builtin): Declare.
4281 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4282 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4283 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4284 * config/i386/i386.opt (msselibm): New target option.
4285 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4286 (ix86_init_sse_abi_builtins): New function.
4287 (ix86_expand_library_builtin): Likewise.
4288 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4289 (override_options): Handle error conditions wrt -msselibm.
4290 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4291 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4292 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4295 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4298 * c-common.c (self_promoting_args_p): Skip erroneous args.
4301 * c-decl.c (finish_struct): Skip erroneous fields.
4303 2006-05-22 Nick Clifton <nickc@redhat.com>
4305 * config/cris/cris.opt (march): Remove VarExists attribute.
4306 (max-stackframe=): Likewise.
4308 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4310 * doc/rtl.texi: Fix a typo.
4311 * see.c: Fix comment typos.
4313 * tree-ssa-structalias.h (alias_info): Remove num_references.
4315 2006-05-21 Mike Stump <mrs@apple.com>
4317 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4319 (darwin_pragma_options): Use BAD instead.
4320 (darwin_pragma_unused): Likewise.
4321 (darwin_pragma_ms_struct): Likewise.
4323 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4325 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4327 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4329 PR rtl-optimization/27671
4330 * simplify-rtx.c (simplify_relational_operation_1): Fix
4331 simplifications of (eq/ne (xor x y) y) and
4332 (eq/ne (xor x y) x).
4334 PR tree-optimization/26622.
4335 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4338 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4340 * tree-cfg.c: Prune whitespace.
4341 (debug_tree_cfg): Point to correct header containing the
4344 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4347 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4349 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4352 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4353 or sorry count is non zero.
4355 2006-05-20 Andreas Schwab <schwab@suse.de>
4357 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4359 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4360 Kenneth Zadeck <zadeck@naturalbridge.com>
4362 PR rtl-optimization/26855
4364 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4366 (df_scan_alloc): Added code to properly handle multiword hard
4367 registers and add all_blocks parameter.
4368 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4369 code to properly handle multiword hard registers.
4370 (df_rescan_blocks): Added code to remove deleted blocks from
4372 (df_ref_create_structure, df_ref_record): Added code to properly
4374 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4375 and set DF_REF_PARTIAL.
4376 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4377 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4378 (df_scan_add_problem): Added flags parameter.
4379 (df_ref_create_structure): Changed switching structure.
4380 (df_bb_refs_record): Fixed case where duplicate artificial refs
4381 were created. Changed location of flags.
4382 (df_record_entry_block_defs): Added code to make stack pointer
4383 live in entry block. Refined cases where frame pointer is needed.
4384 Changed location of flags.
4385 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4386 (df_set_state): Removed function.
4387 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4388 df_insn_create_insn_record, df_insn_refs_delete,
4389 df_ref_create_structure): Formatting changes.
4390 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4391 df_delete_basic_block): New function.
4392 (df_init): Changed location of flags.
4393 (df_add_problem): Added flags parameter and the way flags are
4395 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4396 debug_df_chain): Improved debugging output.
4397 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4398 (df_refs_chain_dump): Removed df parameter.
4399 (df_iterative_dataflow): Added consistency check.
4400 (df_prune_to_subcfg): Made public.
4401 (df_analyze_problem): Added blocks_to_init parameter and made
4403 (df_ref_record, df_bb_refs_record, df_mark_reg,
4404 df_record_exit_block_uses): Whitespace changes.
4405 (df_dump): Whitespace changes.
4406 * df.h: Some reordering to remove forward references.
4407 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4408 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4409 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4410 (dataflow.flags): New field.
4411 (df.flag): Deleted field.
4412 (df_alloc_function): Added additional bitmap parameter.
4413 (df_dependent_problem_function): New type.
4414 (df_problem.changeable_flags): New field.
4415 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4416 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4417 (df_mw_hardreg): New struct.
4418 (DF_INSN_UID_MWS): New macro.
4419 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4421 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4422 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4423 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4424 (df_set_state): Removed function.
4425 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4426 * df-problems.c (df_chain_dump): Removed df parameter.
4427 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4428 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4430 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4431 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4432 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4433 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4434 DF_REF_MUST_CLOBBER cases.
4435 (df_ru_bb_local_compute_process_def,
4436 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4437 df_lr_bb_local_compute, df_ur_bb_local_compute,
4438 df_chain_create_bb): Made subreg aware.
4439 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4440 df_lr_bb_local_compute, df_lr_bb_local_compute,
4441 df_chain_create_bb): Cleanup to use proper macros.
4442 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4443 code to fixup bitvectors.
4444 (df_ri_alloc): Cleared lifetime.
4445 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4446 df_create_unused_note): New function.
4447 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4448 REG_DEAD and REG_UNUSED notes as well as register information.
4449 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4450 df_chains_dump): Fixed crash if problem was never run.
4451 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4452 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4453 df_ri_add_problem): Processes flags in uniform manner.
4454 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4455 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4456 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4457 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4458 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4459 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4460 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4461 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4462 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4463 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4464 * see.c (see_initialize_data): Ditto.
4465 * final.c (rest_of_clean_state) Added regstack_completed.
4466 * rtl.h (regstack_completed): Ditto.
4467 * reg-stack.c (regstack_completed): Ditto.
4469 2006-05-19 Mike Stump <mrs@apple.com>
4471 * c-tree.h (default_conversion): Remove.
4472 * c-common.h (default_conversion): Add.
4474 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4476 * tree-vrp.c (valid_value_p): New function.
4477 (adjust_range_with_scev): Fail if the value of bound is not
4480 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4482 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4483 (mips_fallback_frame_state): Use syscall numbers to determine
4484 the appropriate li instruction for the current ABI. Only use
4485 __NR_sigreturn for o32.
4487 2006-05-19 Nicolas Setton <setton@adacore.com>
4489 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4490 * langhooks.c (lhd_dwarf_name): New function.
4491 * langhooks-def.h (lhd_dwarf_name): Declare.
4492 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4493 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4494 * ada/misc.c (gnat_dwarf_name): New function.
4495 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4497 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4499 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4501 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4502 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4503 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4504 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4505 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4506 determine the size of Wtype, etc.
4507 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4508 (swfloatfuncs): New variable.
4509 (dwfloatfuncs): Likewise.
4510 (lib2funcs): Remove floating-point conversion functions from
4511 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4512 the set of conversion routines needed. Allow entries to specify
4513 an object name, filename and word size. Update users accordingly.
4514 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4515 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4519 2006-02-08 Roger Sayle <roger@eyesopen.com>
4522 * config/fixtfdi.c: New libgcc source file.
4523 * config/fixunstfdi.c: New source file.
4524 * config/floatditf.c: New source file.
4525 * config/floatunditf.c: New souce file.
4526 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4527 files above instead of config/mips/_tilib.c.
4528 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4530 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4532 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4533 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4535 2006-05-18 Mike Stump <mrs@apple.com>
4537 Fix up vla, vm and [*] sematics.
4543 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4544 (c_vla_unspec_p): Add.
4545 (c_vla_type_p): Add.
4546 * c-decl.c (struct c_scope): Add had_vla_unspec.
4547 (build_array_declarator): Add support for [*].
4548 (grokdeclarator): Likewise.
4549 (grokparms): Likewise.
4550 (get_parm_info): Likewise.
4551 * c-objc-common.c (c_vla_unspec_p): Likewise.
4552 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4553 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4554 typeof when argument is a variably modified type not inside sizeof or alignof.
4555 (c_parser_direct_declarator_inner): Propagate errors.
4556 (c_parser_sizeof_expression): Add support for [*].
4557 (c_parser_parms_declarator): Initialize had_vla_unspec.
4558 (c_parser_parms_list_declarator): Likewise.
4559 * c-typeck.c (c_vla_type_p): Add.
4560 (composite_type): Add support for vla compositing.
4561 (comptypes_internal): Add support for vla compatibility.
4562 (c_expr_sizeof_expr): Evaluate vla arguments.
4563 * tree.c (variably_modified_type_p): Update comment for [*].
4565 2006-05-18 Michael Matz <matz@suse.de>
4568 * config.host: Make assignments to host_xmake_file cumulative.
4569 * config.host (*-darwin*): Test $host, not $target.
4571 2006-05-12 Stuart Hastings <stuart@apple.com>
4573 * config/i386/i386.opt (-mstackrealign): New flag.
4574 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4575 (ix86_handle_cconv_attribute): Emit error when
4576 force_align_arg_pointer attribute collides with too many regparms.
4577 (ix86_function_regparm): Limit regparms when used with
4578 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4579 Support stack-realigning prologue in non-main functions. Emit
4580 warning for nested functions under -mstackrealign, emit error for
4581 nested functions with force_align_arg_pointer attribute.
4582 * doc/extend.texi (force_align_arg_pointer): Document it.
4583 * doc/invoke.texi (-mstackrealign): Document it.
4585 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4587 PR rtl-optimization/27477
4588 * combine.c (try_combine): Don't split a parallel consisting
4589 of two sets into two individual sets if both sets reference
4592 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4594 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4595 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4597 * doc/options.texi (VarExists): Updated.
4599 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4601 * unwind-dw2.c: Add declarations for uw_update_context and
4603 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4604 detected, advance frame state and context once to skip over stub.
4606 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4610 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4611 Call rewrite_into_loop_closed_ssa only when something changed.
4612 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4613 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4614 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4615 Test for perfect_nest_p here. Fix formating.
4616 (replace_uses_equiv_to_x_with_y): Fix formating.
4617 (stmt_uses_op): Removed.
4618 (can_convert_to_perfect_nest): Removed loopivs parameter.
4619 Complete the test by checking the scalar dependences.
4620 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4623 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4626 From Dan Kegel <dank@kegel.com>:
4627 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4629 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4631 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4632 if the element type is variably modified without recursing.
4634 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4637 * tree-loop-linear.c (try_interchange_loops): Test for
4638 no data dependences.
4640 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4642 PR tree-optimization/27548
4643 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4644 range of ssa names that appear on abnormal edges.
4645 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4646 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4648 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4651 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4653 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4656 * tree.h (OMP_PARALLEL_COMBINED): Define.
4657 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4658 (new_omp_context): Add is_combined_parallel argument.
4659 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4660 new_omp_context caller.
4661 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4662 Adjust gimplify_scan_omp_clauses callers.
4663 (omp_is_private): Issue errors if iteration variable is firstprivate
4664 or reduction in the current context.
4665 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4666 on combined parallel workshare constructs.
4668 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4670 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4671 (gcc-options.o): New rule.
4673 * optc-gen.awk: Protect variables for gcc-options.o with
4674 #ifdef GCC_DRIVER/#endif.
4676 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4678 Fix PR tree-optimization/27373
4679 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4680 (forward_propagate_addr_expr): Update call.
4682 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4684 * doc/options.texi: Move the Negative option.
4686 2006-05-16 Richard Guenther <rguenther@suse.de>
4688 PR tree-optimization/22303
4689 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4691 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4692 ccp_fold did not simplify the statement.
4694 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4697 * Makefile.in (GCC_OBJS): New.
4698 (OBJS-common): Add opts-common.o.
4699 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4700 (cpp$(exeext)): Likewise.
4701 (gcc.o): Also depend on opts.h.
4702 (opts-common.o): New.
4704 * common.opt (gcoff): Add Negative(gdwarf-2).
4705 (gdwarf-2): Add Negative(gstabs).
4706 (gstabs): Add Negative(gstabs+).
4707 (gstabs+): Add Negative(gvms).
4708 (gvms): Add Negative(gxcoff).
4709 (gxcoff): Add Negative(gxcoff+).
4710 (gxcoff+): Add Negative(gcoff).
4711 * config/i386/i386.opt (m32): Add Negative(m64).
4712 (m64): Add Negative(m32).
4714 * doc/options.texi: Document the Negative option.
4716 * gcc.c: Include "opts.h".
4717 (main): Call prune_options after expandargv.
4719 * optc-gen.awk: Generate common declarations for all flag
4720 variables in options.c. Output the neg_index field.
4722 * opts.c (find_opt): Moved to ...
4723 * opts-common.c: Here. New file.
4725 * opts.h (cl_option): Add a neg_index field.
4727 (prune_options): Likewise.
4729 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4732 * omp-low.c (expand_omp_parallel): Don't assert
4733 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4734 instead search for it.
4737 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4740 2006-05-16 Andreas Schwab <schwab@suse.de>
4742 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4745 2006-05-15 Roger Sayle <roger@eyesopen.com>
4748 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4749 integer constants other than zero are only legitimate on TARGET_64BIT.
4750 <CONST_VECTOR> Only zero vectors are legitimate.
4751 (ix86_cannot_force_const_mem): Integral and vector constants can
4752 always be put in the constant pool.
4754 2006-05-16 DJ Delorie <dj@redhat.com>
4756 * crtstuff.c (__dso_handle): Set section from
4757 TARGET_LBIGCC_SDATA_SECTION if defined.
4758 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4759 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4761 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4764 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4767 2006-05-16 Ben Elliston <bje@au.ibm.com>
4769 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4771 2006-05-15 Per Bothner <per@bothner.com>
4773 * tree.c: (last_annotated_node): Use source_locus typedef.
4774 This permits bootstrapping with --enable-mapped-location.
4776 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4778 PR tree-optimization/26830
4779 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4780 (info_for_ssa_name, current_info_for_ssa_name_age,
4781 blocks_to_update): New variables.
4782 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4783 (clear_ssa_name_info, initialize_flags_in_bb,
4784 mark_block_for_update): New functions.
4785 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4786 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4787 prepare_def_site_for): Use mark_block_for_update.
4788 (mark_def_interesting): Assert that the processed block is marked in
4789 blocks_to_update. Do not take blocks argument.
4790 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4792 (rewrite_update_init_block, rewrite_update_stmt): Only process
4793 blocks with statements to rewrite.
4794 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4795 (update_ssa): Initialize and free blocks_to_update. Do not
4796 clear flags on statements. Do not use blocks bitmap.
4797 * tree.h (SSA_NAME_AUX): Removed.
4798 (struct tree_ssa_name): Removed aux field.
4799 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4801 2006-05-15 Richard Guenther <rguenther@suse.de>
4803 PR tree-optimization/27603
4804 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4805 Do computations in original type.
4807 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4809 * see.c: Code style changes such as redundant paranthesis,
4810 redundant intialization of local variables etc.
4811 (see_main): Declared now as static.
4812 * doc/invoke.texi: Update that -fsee is not enabled by
4815 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4817 * omp-low.c (check_omp_nesting_restrictions): New function.
4818 (scan_omp_1): Call it.
4821 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4822 construct, return *VAR.
4824 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4826 PR rtl-optimization/27406
4827 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4830 2006-05-14 Roger Sayle <roger@eyesopen.com>
4832 PR rtl-optimization/27538
4833 * combine.c (expand_compound_operation): Call gen_lowpart
4834 before calling simplify_shift_const.
4836 2006-05-14 Roger Sayle <roger@eyesopen.com>
4838 PR rtl-optimization/22563
4839 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4840 a fixed width bitfield, always force the intermediates into psuedos.
4842 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4845 * mkconfig.sh: Use operator = instead of == for test.
4847 2006-05-13 Nick Clifton <nickc@redhat.com>
4849 * dwarf2out.c (dbx_reg_number): Check return value from
4850 LEAF_REG_REMAP and only use it if it is valid.
4851 (multiple_reg_loc_descriptor): Likewise.
4853 2006-05-13 Richard Guenther <rguenther@suse.de>
4855 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4858 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4860 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4861 information attached to non-INSNs such as NOTEs.
4862 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4864 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4866 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4868 * config/s390/s390.md: Adjust comment describing On constraint.
4870 2006-05-11 Jan Hubicka <jh@suse.cz>
4872 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4873 to be output at -O0.
4875 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4878 * fold-const.c (size_binop): Move sanity check for arguments to
4879 the beginning of the function.
4882 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4885 2006-05-11 Richard Guenther <rguenther@suse.de>
4888 * fold-const.c (fold_unary): Handle intermediate conversion
4889 to a pointer type like intermediate conversion to an integer
4890 type in folding of (T1)(T2)var to var.
4891 Match the code to the comment in the final conversion for
4892 (T1)(T2)var to (T1)var regarding to type precision. Rather
4893 than disallow T1 being of pointer type, assert that both T1
4894 and var are of pointer type or not. Make sure not to fall
4895 over the frontends lazyness wrt array to pointer decay though.
4897 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4899 * arm.c (arm_struct_value_rtx): Delete.
4900 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4901 (arm_init_cumulative_args): Always initialize nregs to zero.
4903 2006-05-10 Richard Guenther <rguenther@suse.de>
4905 PR tree-optimization/27532
4906 * tree-object-size.c (plus_expr_object_size): Fix typo.
4908 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4911 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4912 ashrdi_const, ashrdi3): Use a scratch register.
4914 2006-05-10 Richard Guenther <rguenther@suse.de>
4916 PR tree-optimization/27302
4917 * fold-const.c (operand_equal_p): For two comparisons,
4918 try comparison of one comparison code swapped if that yields
4921 2006-05-10 Ben Elliston <bje@au.ibm.com>
4923 * tree-pretty-print.c (pretty_print_string): No need to handle
4924 '\0' as a special character.
4926 * tree.h: Include "hashtab.h".
4927 (iterative_hash_expr): Use hashval_t in its prototype.
4928 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4930 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4933 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4934 (hppa*64*-*-hpux11*): Ditto.
4935 (hppa[12]*-*-hpux11*): Ditto.
4937 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4940 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4942 2006-05-09 Michael Matz <matz@suse.de>
4944 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4945 host_extra_gcc_objs and host_xmake_file.
4946 (<*-*-linux*>): Don't overwrite host_xmake_file.
4947 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4948 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4949 (host_detect_local_cpu): Declare.
4950 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4951 * config/i386/i386.c (override_options): Handle -mtune=native
4953 * config/i386/x-i386: New file.
4954 * config/i386/driver-i386.c: New file.
4955 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4958 2006-05-09 Dirk Mueller <dmueller@suse.de>
4959 Richard Guenther <rguenther@suse.de>
4962 * fold-const.c (fold_read_from_constant_string): Relax check
4963 for matching types to matching modes.
4965 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4967 PR rtl-optimization/27335
4968 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4971 2006-05-08 Chao-ying Fu <fu@mips.com>
4972 Richard Sandiford <richard@codesourcery.com>
4974 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4975 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4976 * config/mips/mips.md (UNSPEC_SCC): New constant.
4977 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4978 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4979 (mips_emit_compare): Use it.
4980 (mips_expand_vcondv2sf): New function.
4982 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4984 Fix PR tree-optimization/27093
4985 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4986 renaming when they become not-used_alone.
4988 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4990 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4991 relocation and relocation stubs.
4993 2006-05-08 Eric Christopher <echristo@apple.com>
4995 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4998 2006-05-08 Jan Hubicka <jh@suse.cz>
5001 * cgraphunit.c (decide_is_function_needed): When not optimizing even
5002 unused static functions are needed.
5004 2006-05-08 Roger Sayle <roger@eyesopen.com>
5007 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
5008 of a reg_equiv_constant if the result is a legitimate constant.
5010 2006-05-08 Uros Bizjak <uros@kss-loka.si>
5013 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
5014 standard 80387 constants, raise the cost to prevent
5015 compress_float_constant() to generate load from memory.
5017 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
5019 * config/arm/constraints.md (c): Fix a typo.
5021 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
5024 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
5027 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
5029 (_mm_mwait): Likewise.
5031 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
5033 (sse3_monitor): Make it 32bit only.
5034 (sse3_monitor64): New. 64bit monitor.
5036 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5039 * config/i386/i386.c (classify_argument): Skip fields with invalid
5042 2006-05-07 Richard Guenther <rguenther@suse.de>
5044 PR tree-optimization/27409
5045 * tree-ssa-structalias.c (get_constraint_for_component_ref):
5046 Do not try to find zero-sized subvars.
5048 2006-05-07 Richard Guenther <rguenther@suse.de>
5050 PR tree-optimization/27136
5051 * tree-ssa-loop-niter.c (get_val_for): Correct function
5052 comment, assert requirements.
5053 (loop_niter_by_eval): Stop processing if the iterated
5054 value did not simplify.
5056 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
5058 * opts.c (flag_see): remove its setting at -O3.
5060 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
5062 * genpeep.c (main): Make insn-peep.c depend on flags.h.
5063 * arm/constraints.md: New file.
5064 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
5065 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
5066 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
5067 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
5068 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5069 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5070 * arm.md: Include constraints.md.
5071 (thumb_movsi_insn): Use satisfies_constraint_J.
5072 (movhi, movqi): Use satisfies_constraint_I.
5074 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5076 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5077 for atmeg a645 device.
5079 2006-05-06 Richard Guenther <rguenther@suse.de>
5081 PR tree-optimization/27151
5082 * tree-vect-transform.c (vectorizable_condition): Punt on
5083 values that have a different type than the condition.
5085 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5088 * c-parser.c (c_parser_cast_expression): Only insert casts into
5089 hash table if pointer.
5090 * function.c (used_types_insert_helper): Rename from
5092 (used_types_insert): Call used_types_insert_helper.
5093 * function.h (used_types_insert): Accept only one argument.
5095 2006-05-05 David Edelsohn <edesohn@gnu.org>
5097 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5098 scratch with output modifier.
5100 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5103 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5104 with output modifier.
5106 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5109 * config/mips/mips.c (mips_symbolic_address_p): Return true
5110 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5111 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5113 2006-05-04 Richard Guenther <rguenther@suse.de>
5115 PR tree-optimization/14287
5116 PR tree-optimization/14844
5117 PR tree-optimization/19792
5118 PR tree-optimization/21608
5119 PR tree-optimization/27090
5120 * tree-ssa-pre.c (try_combine_conversion): New function.
5121 (compute_avail): After constructing the value-handle
5122 expression, use try_combine_conversion to combine NOP_EXPRs
5123 with previous value-handle expressions and use the result if it
5126 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5128 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5130 2006-05-04 Jan Hubicka <jh@suse.cz>
5133 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5135 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5137 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5138 that this only matches CONST_INTs. All users changed to VOIDmode
5141 * config/bfin/bfin.c: Include "optabs.h".
5142 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5144 (enum bfin_builtins): Add a number of fractional and vector builtins.
5145 (bfin_init_builtins): Likewise.
5146 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5147 (safe_vector_operand, bfin_expand_binop_builtin,
5148 bfin_expand_unop_builtin): New functions.
5149 (bfin_expand_builtin): Handle the new builtins.
5150 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5153 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5156 * Makefile.in (OBJS-common): Add see.o.
5157 (see.o): Add dependencies.
5158 * common.opt (fsee): New flag for the see optimization was added.
5159 * opts.c (flag_see): Initialized.
5160 * passes.c (init_optimization_passes, pass_see): New pass.
5161 * rtl.h (see_main): Declaration as extern.
5162 * timevar.def (TV_SEE): New.
5163 * tree-pass.h (pass_see): Declaration as extern.
5164 * invoke.texi (-fsee): Document.
5165 * recog.c (validate_simplify_insn): New function.
5166 * recog.h (validate_simplify_insn): Declaration as extern.
5167 * df-problems.c (df_chain_dump): Check for NULL.
5169 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5170 Daniel Berlin <dberlin@dberlin.org>
5172 * cfgrtl.c (insert_insn_bb_end_new): New function.
5173 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5175 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5177 * df.h (struct web_entry): Moved from web.c.
5178 (union_defs): Declaration as extern.
5179 (unionfind_root): Likewise.
5180 (unionfind_union): Likewise.
5181 * web.c (struct web_entry): Moved to df.h.
5182 (unionfind_root): Remove static declaration.
5183 (unionfind_union): Likewise.
5184 (union_defs): Likewise and generalize to use callback function.
5185 (web_main): Update arguments for union_defs function call.
5187 2006-05-04 Richard Guenther <rguenther@suse.de>
5189 PR tree-optimization/26447
5190 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5191 produce SSA_NAME copies before the store stmt to avoid
5192 breaking exception handling.
5194 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5197 * gimplify.c (omp_is_private): If var is shared in some outer context,
5198 return false instead of true. Stop searching on parallel context
5201 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5204 * coverage.c: Use get_gcov_unsigned_t() instead of
5205 unsigned_type_node all over.
5207 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5209 PR tree-optimization/27381
5210 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5211 maintain the same immediate_use links.
5212 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5213 node rather than segfaulting.
5215 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5218 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5219 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5220 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5222 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5224 Fix PR tree-optimization/26626
5225 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5227 * tree-ssa-operands.c (access_can_touch_variable): Allow
5228 typecasting through union pointers.
5230 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5233 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5234 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5235 to find if var will be a global variable even in the nested context.
5236 (omp_copy_decl): Only check for global variable at the end, it might
5237 be overridden in outer contexts.
5238 (scan_sharing_clauses): For global variables don't create a field.
5239 (lower_rec_input_clauses): Do nothing for global shared variables.
5240 Emit a barrier at the end of ILIST if there were any decls in both
5241 firstprivate and lastprivate clauses.
5242 (lower_send_clauses): Do nothing for global variables except for
5245 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5247 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5248 of the correct signedness is returned.
5250 2006-05-02 Jeff Law <law@redhat.com>
5252 PR tree-optimization/27364
5253 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5254 multiply expressions.
5256 2006-05-02 Tom Tromey <tromey@redhat.com>
5258 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5260 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5263 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5264 -mthumb -fPIC are used.
5266 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5267 Joshua Kinard <kumba@gentoo.org>
5270 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5271 with 64-bit pointers.
5273 2006-05-02 Paul Brook <paul@codesourcery.com>
5275 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5277 (create_fix_barrier): Check that a suitable barrier location is
5279 (arm_reorg): Include ftmp->address in allowable range of addresses.
5281 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5284 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5287 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5290 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5291 around RESULT_DECL for result passed by reference.
5292 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5293 * omp-low.c (use_pointer_for_field): Don't look at
5294 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5295 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5296 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5297 time or var for passing by reference for
5298 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5299 TREE_ADDRESSABLE variables when passing by reference.
5301 * omp-low.c (dump_omp_region): Fix output formatting.
5304 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5305 (expand_omp_parallel): Likewise.
5306 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5309 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5310 on statement list containing also constructors and destructors.
5311 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5314 * except.c (duplicate_eh_regions): Fix clearing of
5315 cfun->eh->region_array entries.
5317 2006-05-01 DJ Delorie <dj@redhat.com>
5319 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5321 (gcc_cv_objdump): Likewise.
5322 * configure: Regenerated.
5324 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5327 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5328 templates for case 3 and 4.
5330 2006-05-01 DJ Delorie <dj@redhat.com>
5332 * vec.c: Include bconfig.h when appropriate.
5333 * Makefile.in (build/vec.o): Adjust dependencies.
5334 * mkconfig.sh: Make sure config.h isn't used for build machine
5337 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5339 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5341 (mark_phi_for_rewrite): New function.
5342 (insert_phi_nodes_for, mark_use_interesting): Call
5343 mark_phi_for_rewrite.
5344 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5345 (update_ssa): Initialize and free phis_to_rewrite.
5347 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5349 PR rtl-optimization/27291
5350 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5351 folded to a constant.
5353 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5355 PR tree-optimization/27283
5356 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5357 not whole # of iteration descriptions.
5358 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5359 uses abnormal ssa name.
5360 (niter_for_single_dom_exit): Ditto.
5361 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5362 return just the number of iterations.
5364 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5366 PR tree-optimization/27144
5367 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5368 (record_estimate): Only record constant upper bound.
5369 (infer_loop_bounds_from_undefined): Call
5370 compute_estimated_nb_iterations just once.
5371 (proved_non_wrapping_p): Renamed to ...
5372 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5373 (convert_step_widening, scev_probably_wraps_p): Call
5374 n_of_executions_at_most instead of proved_non_wrapping_p.
5375 (substitute_in_loop_info): Do not replace values in bounds.
5376 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5379 2006-05-01 Richard Henderson <rth@redhat.com>
5382 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5383 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5386 2006-05-01 Roger Sayle <roger@eyesopen.com>
5388 * c-typeck.c (parser_build_binary_op): Don't call the function
5389 unsigned_conversion_warning to spot operand/result type overflow.
5390 (build_binary_op): Instead, call convert_and_check instead of
5391 convert to report the problem when the operands are promoted.
5392 * c-common.c (unsigned_conversion_warning): Make static.
5393 * c-common.h (unsigned_conversion_warning): Delete prototype.
5395 2006-05-01 Richard Guenther <rguenther@suse.de>
5397 PR tree-optimization/26726
5398 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5400 (find_interesting_uses_address): ... we work around here
5401 by folding INDIRECT_REFs in the substituted base.
5403 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5405 * omp-low.c (dump_omp_region): Add newlines.
5407 2006-04-30 Roger Sayle <roger@eyesopen.com>
5409 * common.opt (Woverflow): New command line option.
5410 * c-common.c (constant_expression_warning): Check warn_overflow.
5411 (overflow_waring): Pass OPT_Woverflow to warning.
5412 (unsigned_conversion_warning): Likewise.
5413 (convert_and_check): Likewise.
5414 * doc/invoke.texi: Document new command line option.
5416 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5418 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5419 TARGET_NO_FP_IN_TOC for section anchors.
5420 (optimization_options): Enable section anchors for all
5421 non-"Objective" languages.
5423 2006-04-28 Eric Christopher <echristo@apple.com>
5425 * config/darwin-c.c (darwin_ms_struct): Move this
5426 (darwin_set_default_type_attributes): and this...
5427 * config/darwin.c: ... here.
5428 * config/darwin.h (darwin_ms_struct): Declare.
5430 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5432 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5434 2006-04-28 Roger Sayle <roger@eyesopen.com>
5437 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5438 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5439 an unsigned HOST_WIDE_INT.
5440 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5442 (really_start_incremental_init): No need to call convert because
5443 bitsize_zero_node is already of type bitsizetype.
5444 (push_init_level): Extract the value of constructor_index as an
5445 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5446 (process_init_element): Likewise.
5448 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5450 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5451 value before passing to make_relative_prefix.
5453 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5456 * builtins.c (expand_builtin_memset): Expand val in original mode.
5458 2006-04-27 Eric Christopher <echristo@apple.com>
5460 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5461 with #ifndef/#endif.
5462 * config/darwin-c.c (darwin_ms_struct): New.
5463 (darwin_pragma_ms_struct): Ditto.
5464 (darwin_set_default_type_attributes): Ditto.
5465 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5466 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5467 Register ms_struct pragma.
5468 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5469 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5470 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5471 darwin_set_default_type_attributes if TARGET_MACHO.
5473 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5475 PR tree-optimization/26854
5476 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5477 * doc/tree-ssa.texi: Update immuse iterator documentation.
5478 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5479 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5480 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5481 first_safe_imm_use, next_safe_imm_use): Remove.
5482 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5483 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5484 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5485 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5486 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5487 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5488 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5489 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5490 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5491 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5492 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5493 (perfect_nestify): Use new iterator.
5494 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5496 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5497 (next_imm_name): New field in struct immediate_use_iterator_d.
5498 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5499 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5500 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5501 * tree-cfg.c (replace_uses_by): Use new iterator.
5502 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5503 * tree-ssa-operands.c (correct_use_link): Remove.
5504 (finalize_ssa_use_ops): No longer call correct_use_link.
5506 2006-04-27 Stuart Hastings <stuart@apple.com>
5508 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5509 * config/t-darwin (crt3.o): Use it.
5510 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5511 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5512 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5513 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5514 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5517 2006-04-27 Roger Sayle <roger@eyesopen.com>
5519 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5520 size, force the intermediate into a new pseudo rather instead of
5521 performing both a bitwise AND and a bitwise IOR in memory.
5523 2006-04-27 Richard Guenther <rguenther@suse.de>
5525 PR rtl-optimization/26685
5526 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5527 this one "max-flow-memory-locations".
5529 2006-04-27 Richard Guenther <rguenther@suse.de>
5531 PR tree-optimization/25148
5532 * tree-vrp.c (compare_values): Remove code dealing with
5533 comparisons against type min/max value. Honour overflow
5534 and negative constants in code dealing with comparisons
5535 of plus and minus expressions.
5536 (value_inside_range): Use fold_binary with LE_EXPR and
5537 GE_EXPR rather than compare_values.
5539 2006-04-27 Dirk Mueller <dmueller@suse.de>
5541 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5544 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5546 * basic-block.h (safe_insert_insn_on_edge): Removed.
5547 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5549 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5550 Paolo Bonzini <bonzini@gnu.org>
5553 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5554 (simplify_and_const_int): Same.
5556 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5558 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5560 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5563 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5564 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5565 cgraph_global_info_ready.
5568 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5571 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5572 either decl or init is error_mark_node.
5575 * tree-flow.h (struct omp_region): Add sched_kind.
5576 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5577 instead of extracting omp for data.
5578 (expand_omp_for): Save extracted sched_kind.
5580 2006-04-25 Roger Sayle <roger@eyesopen.com>
5582 * expmed.c (store_bit_field): Also check whether the bitsize is
5583 valid for the machine's "insv" instruction before moving the
5584 target into a pseudo for use with the insv.
5585 * config/i386/predicates.md (const8_operand): New predicate.
5586 * config/i386/i386.md (extv, extzv, insv): Use the new
5587 const8_operand predicate where appropriate.
5589 2006-04-25 DJ Delorie <dj@redhat.com>
5591 * doc/install.texi (Specific): Clarify that this is not a list of
5592 supported hosts or targets.
5594 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5596 PR rtl-optimization/26725
5597 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5598 block's BB_DIRTY flag.
5600 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5602 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5605 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5606 to print an integer.
5608 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5610 * varasm.c (align_variable): New function.
5611 (get_block_for_decl): Apply align_variable to DECL before
5612 calculating section information.
5613 (assemble_variable): Split out alignment computation.
5615 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5617 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5620 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5622 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5623 MODE_PARTIAL_INT mode.
5624 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5625 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5627 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5628 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5630 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5632 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5634 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5635 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5636 MACFLAG_IH): Likewise.
5637 (movstricthi_1): Renamed from "*movstricthi".
5638 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5639 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5640 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5641 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5642 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5643 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5644 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5645 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5646 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5647 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5648 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5649 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5650 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5651 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5652 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5654 * doc/rtl.texi (ss_ashift): Improve wording.
5656 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5658 * dwarf2out.c (verify_marks_clear): New.
5659 (prune_unused_types): Call verify_marks_clear initially, not
5662 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5664 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5665 * doc/rtl.texi: Document them.
5666 * simplify-rtx.c (simplify_unary_operation,
5667 simplify_binary_operation_1): Don't abort when we see them.
5669 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5672 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5673 * configure.ac: Completely disregard languages that are not
5675 * configure: Regenerated.
5677 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5678 Richard Guenther <rguenther@suse.de>
5680 PR tree-optimization/27236
5681 * tree-inline.c (copy_body_r): Make sure to copy
5682 TREE_THIS_VOLATILE flag.
5684 2006-04-24 Richard Guenther <rguenther@suse.de>
5687 * tree-complex.c (update_parameter_components): Don't handle
5688 unused parameters which have no default def.
5690 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5691 Richard Guenther <rguenther@suse.de>
5693 PR tree-optimization/27218
5694 * tree-inline.c (expand_call_inline): Strip useless type
5695 conversions for the return slot address.
5697 2006-04-24 Richard Guenther <rguenther@suse.de>
5699 * cfgloop.h (struct loops): Remove unused field array. Reorder
5701 (LOOP_PREFETCH): Remove.
5703 2006-04-24 Richard Guenther <rguenther@suse.de>
5705 PR tree-optimization/22525
5706 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5707 variable, adjust types of generated expressions.
5709 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5711 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5712 (tree-vect-patterns.o): Likewise.
5714 (cselib.o): Likewise.
5715 (loop-doloop.o): Likewise.
5716 (regclass.o): Likewise.
5717 (reload1.o): Likewise.
5718 (explow.o): Replace target.h with $(TARGET_H).
5719 (ipa-prop.o): Likewise.
5720 (ipa-cp.o): Likewise.
5721 (ipa-inline.o): Likewise.
5722 (reorg.o): Likewise.
5723 (reg-stack.o): Likewise.
5725 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5727 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5729 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5731 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5733 * configure.ac: Completely disregard languages that are not
5735 * configure: Regenerated.
5738 * c-common.h (c_build_bitfield_integer_type): Declare.
5739 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5740 * c-common.c (c_build_bitfield_integer_type): ... here.
5742 2006-04-23 Roger Sayle <roger@eyesopen.com>
5745 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5746 a SImode SUBREG of a floating point register after no_new_pseudos.
5748 2006-04-23 Roger Sayle <roger@eyesopen.com>
5750 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5751 identify potentially eliminable registers to additionally catch
5752 VIRTUAL_INCOMING_ARGS_REGNUM.
5753 (addsi3): Update the conditions on when to use addsi_small_int.
5755 2006-04-23 Roger Sayle <roger@eyesopen.com>
5758 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5759 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5760 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5762 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5764 * fold-const.c (range_predecessor): Use operand_equal_p
5765 as the predicate for equality.
5766 (range_successor): Likewise.
5768 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5771 * config/soft-fp/op-common.h: Fix a typo.
5773 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5776 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5777 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5779 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5781 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5783 * doc/tm.texi: Fix a typo.
5785 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5787 * dwarf2out.c (struct die_struct): Document that die_sib makes
5788 a circular linked list.
5789 (FOR_EACH_CHILD): New.
5790 (reverse_die_lists): Delete.
5791 (reverse_all_dies): Delete.
5792 (add_dwarf_attr): Correct documentation.
5793 (remove_child_with_prev): New.
5794 (remove_child_TAG): Update for change to die_struct, use
5795 remove_child_with_prev.
5796 (add_child_die): Update for change to die_struct.
5797 (splice_child_die): Use remove_child_with_prev and add_child_die.
5798 (print_die): Use FOR_EACH_CHILD.
5799 (die_checksum): Likewise.
5800 (assign_symbol_names): Likewise.
5801 (output_location_lists): Likewise.
5802 (build_abbrev_table): Likewise.
5803 (calc_die_sizes): Likewise.
5804 (mark_dies): Likewise.
5805 (unmark_dies): Likewise.
5806 (unmark_all_dies): Likewise.
5807 (output_die): Likewise.
5808 (prune_unused_types_mark): Likewise.
5809 (prune_unused_types_walk): Likewise.
5810 (same_die_p): Update for change to die_struct.
5811 (break_out_includes): Likewise.
5812 (prune_unused_types_prune): Likewise.
5813 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5814 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5816 (dwarf2out_finish): Don't call reverse_all_dies.
5818 2006-04-21 Eric Christopher <echristo@apple.com>
5820 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5821 in comments and function names.
5823 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5826 * c-typeck.c (digest_init): Robustify.
5828 * c-typeck.c (pop_init_level): Simplify.
5830 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5832 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5834 2006-04-21 Paul Brook <paul@codesourcery.com>
5836 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5837 hardware floating point.
5839 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5841 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5844 2006-04-21 Nick Clifton <nickc@redhat.com>
5846 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5849 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5852 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5853 C++ lang type in traceback table for Objective-C++.
5855 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5857 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5859 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5861 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5864 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5865 were errors. Remove check for erroneous objects.
5867 2006-04-20 Jeff Law <law@redhat.com>
5869 PR tree-optimization/26854
5870 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5871 checking for zero or one use.
5872 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5873 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5874 * tree-ssa-reassoc.c (negate_value): Similarly.
5875 (reassociate_bb): Similarly.
5877 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5879 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5880 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5881 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5883 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5885 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5886 fp regs if the last fp arg doesn't fit in regs.
5888 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5891 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5892 that the last insn has the REG_INC note.
5894 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5895 Nathan Sidwell <nathan@codesourcery.com>
5898 * stor-layout.c (update_alignment_for_field): Do not align
5900 (place_union_field): Place union field at the start of the union.
5901 (place_field): Move ERROR_MARK check later, and use the current
5902 allocation position to maintain monotonicity.
5904 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5906 * dominance.c: Include timevar.h.
5907 (calculate_dominance_info): Use TV_DOMINANCE.
5908 * timevar.def (TV_DOMINANCE): New timevar.
5909 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5911 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5913 PR rtl-optimization/14261
5914 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5915 move would be an INSV insn.
5916 (noce_process_if_block): Don't optimize if the destination is a
5917 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5919 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5921 * config/s390/s390.md: Add comments with the instructions emitted
5922 by an insn pattern if macros are used.
5924 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5926 PR rtl-optimization/26026
5927 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5928 is a known power of two shifted left a variable amount.
5930 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5932 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5933 to hash table twice when the debug_str section has SECTION_MERGE.
5935 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5937 * config/soft-fp: New directory. From glibc.
5938 * config/soft-fp/t-softfp: New.
5939 * config/soft-fp/README: New.
5940 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5941 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5942 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5943 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5944 * config.gcc: Use rs6000/t-fprules-fpbit or
5945 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5947 * config/rs6000/sfp-machine.h: New. Based on glibc.
5948 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5950 * config/rs6000/t-fprules: Remove fp-bit rules.
5951 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5952 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5953 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5954 (softfp_wrap_start, softfp_wrap_end): New.
5956 2006-04-18 DJ Delorie <dj@redhat.com>
5958 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5960 2006-04-18 Devang Patel <dpatel@apple.com>
5962 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5964 2006-04-18 Nick Clifton <nickc@redhat.com>
5966 * config/sh/t-symbian: Add rule to build sh-c.o
5967 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5968 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5969 (sh_symbian_encode_section_info): Likewise.
5971 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5973 * builtins.c (expand_builtin_strcmp): Cover label definition of
5974 do_libcall with HAVE_cmpstrnsi.
5976 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5978 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5980 * function.h (temp_slot_p): New.
5981 (function): Change the type of x_used_temp_slots to
5982 VEC(temp_slot_p,gc) *.
5984 2006-04-18 Nick Clifton <nickc@redhat.com>
5986 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5987 flag_strength_reduce.
5989 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5991 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5995 Partial revert of revision 112637
5996 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5997 Dale Johannesen <dalej@apple.com>
6000 * regclass.c (struct reg_pref): Update documentation.
6001 (regclass): Set prefclass to NO_REGS if memory is the best option.
6002 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6004 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
6006 PR tree-optimization/26821
6007 * tree-ssa-math-opts.c (get_constant_one): New.
6008 (insert_reciprocals): Use it.
6010 2006-04-17 Geoffrey Keating <geoffk@apple.com>
6012 * dwarf2out.c (free_AT): Delete.
6013 (remove_AT): Update string ref counts.
6014 (remove_child_TAG): Don't call free_die.
6016 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
6017 or DW_TAG_GNU_EINCL.
6018 (prune_unused_types_walk_attribs): Reset string refcounts.
6019 (prune_unused_types_update_strings): New.
6020 (prune_unused_types_prune): Don't make unnecessary stores. Don't
6021 call free_die. Do call prune_unused_types_update_strings.
6022 (prune_unused_types): Empty debug_str_hash.
6024 2006-04-17 Roger Sayle <roger@eyesopen.com>
6026 * expr.c (expand_assignment): Optimize away no-op moves where the
6027 source and destination are equal and have no side-effects.
6029 2006-04-17 Richard Guenther <rguenther@suse.de>
6032 * reload.c (push_reload): Guard calls to get_secondary_mem
6035 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
6037 * alias.c (reg_base_value, old_reg_base_value): Change the
6038 type to VEC(rtx,gc) *.
6039 (REG_BASE_VALUE, find_base_value, record_set,
6040 init_alias_analysis): Use VEC instead of VARRAY.
6042 * alias.c (alias_sets): Change the type to
6043 VEC(alias_set_entry,gc) *.
6044 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
6045 VEC instead of VARRAY.
6046 (last_alias_set): Remove.
6048 * cgraph.h (cgraph_edge_p): New.
6049 Update the prototype of cgraph_function_versioning.
6050 * cgraphunit.c (cgraph_copy_node_for_versioning,
6051 cgraph_function_versioning): Use VEC instead of VARRAY.
6052 * ipa-cp.c (ipcp_insert_stage): Likewise.
6054 2006-04-16 Roger Sayle <roger@eyesopen.com>
6057 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
6058 "A op B" or "A op C", we may need to convert A to the type of B and C.
6060 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
6062 * target.h (struct gcc_target): Add mode_rep_extended.
6063 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
6064 (init_num_sign_bit_copies_in_rep): Initialize it using
6066 (truncate_to_mode): Use it.
6067 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
6068 * targhooks.h (default_mode_rep_extended): Declare it.
6069 * targhooks.c (default_mode_rep_extended): Define it.
6070 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6071 default_mode_rep_extended.
6072 (TARGET_INITIALIZER): Include it.
6073 * doc/tm.texi (Misc): Document it.
6074 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6075 (mips_truncated_to_mode): New function.
6077 2006-04-16 Roger Sayle <roger@eyesopen.com>
6080 * expr.c (compress_float_constant): Copy the narrow constant into
6081 a new pseudo before extending it to its final width.
6083 2006-04-16 Roger Sayle <roger@eyesopen.com>
6084 Andrew Pinski <pinskia@gcc.gnu.org>
6085 Dale Johannesen <dalej@apple.com>
6088 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6089 special case code to implement V8HImode and V16QImode with SSE2.
6091 2006-04-15 Roger Sayle <roger@eyesopen.com>
6093 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6094 trees are constructed with a suitable tree type.
6096 2006-04-15 Roger Sayle <roger@eyesopen.com>
6098 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6099 (integer_onep): Likewise.
6100 (integer_all_onesp): Likewise.
6101 (integer_pow2p): Likewise.
6102 (integer_nonzerop): Likewise.
6103 (real_zerop): Likewise.
6104 (real_onep): Likewise.
6105 (real_twop): Likewise.
6106 (real_minus_onep): Likewise.
6107 (int_size_in_bytes): Likewise.
6108 (host_integerp): Likewise.
6110 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6112 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6113 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6114 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6116 * tree-ssa-structalias.h (alias_info): Remove num_references.
6118 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6120 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6121 (output_bvb patterns): Likewise.
6122 * pa.c (output_bb): Use 'bb' insn for long branch case.
6123 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6124 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6125 1. Correct length operand for alternatives 1 and 2.
6126 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6127 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6129 2006-04-14 Roger Sayle <roger@eyesopen.com>
6131 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6132 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6133 were accidentally reverted by r112959.
6135 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6138 * except.h (eh_region_outermost): New prototype.
6139 * except.c (eh_region_outermost): New function.
6140 * tree-cfg.c (find_outermost_region_in_block): Use it.
6142 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6144 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6146 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6147 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6148 (init_reload, reload): Use VEC instead of VARRAY.
6149 * reload.h: Update the prototype for
6150 reg_equiv_memory_loc_varray.
6152 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6153 Eric Botcazou <ebotcazou@libertysurf.fr>
6155 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6158 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6161 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6162 to expand fallback builtin function call.
6164 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6167 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6168 and emit libcall here in case the builtin fails.
6169 (expand_builtin_strcmp): Always emit the libcall here on failure.
6171 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6173 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6174 * flow.c (reg_n_info): Change the type to
6175 VEC(reg_info_p,heap) *.
6176 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6178 * regs.h (reg_info_p): New.
6179 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6180 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6181 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6184 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6186 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6188 * params.h (MAX_SCHED_READY_INSNS): New macro.
6189 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6190 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6191 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6192 the ready list for 1 cycle during the first scheduling pass.
6193 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6195 2006-04-13 Richard Henderson <rth@redhat.com>
6198 * gimple-low.c (lower_omp_directive): Remove dead code.
6199 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6200 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6201 * omp-low.c (struct omp_region): Move to tree-flow.h.
6202 (root_omp_region): Export.
6203 (omp_regions, lookup_omp_region): Remove.
6204 (determine_parallel_type): Update for struct omp_region changes.
6205 (dump_omp_region): Dump regions with block numbers.
6206 (new_omp_region): Take type and block instead of stmt; malloc
6208 (free_omp_region_1, free_omp_regions): New.
6209 (expand_parallel_call): Take entry_stmt as argument; update for
6210 changes to omp_region.
6211 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6212 (remove_exit_barriers): New.
6213 (expand_omp_parallel): Update for struct omp_region changes.
6214 (expand_omp_synch): Likewise.
6215 (expand_omp): Likewise.
6216 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6217 (expand_omp_for_static_chunk): Likewise.
6218 (expand_omp_for): Likewise.
6219 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6220 (expand_omp_sections): Similarly, with GOMP_sections_end.
6221 (expand_omp_single): New.
6222 (build_omp_regions_1): Update for OMP_CONTINUE.
6223 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6224 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6225 OMP_SECTIONS_SECTIONS.
6226 (lower_omp_single_simple): Don't emit barrier here.
6227 (lower_omp_single_copy): Likewise.
6228 (lower_omp_single): Fix bindings, and lower to straightline now.
6229 (lower_omp_master, lower_omp_ordered): Likewise.
6230 (lower_omp_critical): Likewise.
6231 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6232 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6233 omp edges, free it afterward.
6234 (make_omp_sections_edges): Remove.
6235 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6236 (move_stmt_r): Handle OMP_CONTINUE.
6237 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6238 statement pointers to basic blocks. Add type member.
6239 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6240 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6241 * tree-inline.c (estimate_num_insns_1): Likewise.
6242 * tree-pretty-print.c (dump_generic_node): Likewise.
6243 * tree-ssa-operands.c (get_expr_operands): Likewise.
6244 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6245 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6246 (OMP_CONTINUE): New.
6247 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6248 (OMP_SECTIONS_SECTIONS): Remove.
6249 (OMP_SECTION_LAST): New.
6250 (OMP_RETURN_NOWAIT): New.
6252 2006-04-13 Roger Sayle <roger@eyesopen.com>
6254 * fold-const.c (native_encode_vector, native_interpret_real):
6255 Correct obvious mistakes in the previous check-in.
6257 2006-04-13 Roger Sayle <roger@eyesopen.com>
6259 * fold-const.c (native_encode_expr): New function to encode
6260 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6261 or VECTOR_CST into a specified buffer.
6262 (native_encode_int): New function.
6263 (native_encode_real): New function.
6264 (native_encode_complex): New function.
6265 (native_encode_vector): New function.
6266 (native_interpret_expr): Inverse of native_encode_expr to convert
6267 a target representation into an INTEGER_CST, REAL_CST etc...
6268 (native_interpret_int): New function.
6269 (native_interpret_real): New function.
6270 (native_interpret_complex): New function.
6271 (native_interpret_vector): New function.
6272 (fold_view_convert_expr): New function to constant fold/evaluate
6273 a VIEW_CONVERT_EXPR of a suitable constant expression.
6274 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6275 Change call of build1 to fold_build1 when constructing a
6278 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6279 Ulrich Weigand <uweigand@de.ibm.com>
6282 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6285 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6288 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6289 optimize to lo_sum for DFmode if !TARGET_FPRS.
6291 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6293 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6294 delete_alias_info, compute_flow_sensitive_aliasing,
6295 group_aliases): Use VEC instead of VARRAY.
6296 * tree-ssa-structalias.c (update_alias_info): Likewise.
6297 * tree-ssa-structalias.h (alias_info): Change the type of
6298 processed_ptrs to VEC(tree,heap) *.
6300 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6303 * config/sh/lib1funcs.h: New file, broken out of:
6304 * config/sh/lib1funcs.asm.
6305 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6307 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6308 * config/sh/lib1funcs-Os-4-200.asm: New file.
6309 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6310 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6311 (EXTRA_MULTILIB_PARTS): Include it.
6312 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6313 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6314 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6315 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6318 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6320 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6321 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6322 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6324 * tree-ssa-live.h: Include vecprim.h.
6325 (tree_partition_associator_d): Change the type of
6326 first_partition to VEC(int,heap) *.
6327 (tpa_first_partition): Use VEC instead of VARRAY.
6329 * Makefile.in (GTFILES): Move functions.h after tree.h.
6330 * function.c (reset_block_changes, record_block_change,
6331 check_block_change, free_block_changes): Use VEC instead of
6333 * function.h (function): Change the type of
6334 ib_boundaries_block to VEC(tree,gc) *.
6335 * tree-inline.c (copy_cfg_body): Initialize
6336 ib_boundaries_block to NULL instead of (varray_type) 0.
6338 2006-04-12 Roger Sayle <roger@eyesopen.com>
6340 * expr.c (emit_group_store): Correct operand order in call to
6341 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6342 a SUBREG_BYTE of zero.
6344 2006-04-12 Richard Guenther <rguenther@suse.de>
6346 * profile.c (compute_branch_probabilities): Remove code
6347 encapsulated in !ir_type (), which are remanents of the
6348 removed RTL profiling code.
6349 * rtl-profile.c: Remove.
6351 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6353 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6354 magic NULL_RTX comment.
6355 (function_arg): Store entire fp arg to mem if any part should go
6357 (rs6000_arg_partial_bytes): Adjust for above change.
6359 2006-04-11 Roger Sayle <roger@eyesopen.com>
6361 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6362 if it hasn't been initialized by dwarf2out_init.
6364 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6366 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6367 symbolic constants in branch patterns.
6369 2006-04-11 Roger Sayle <roger@eyesopen.com>
6371 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6373 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6375 PR rtl-optimization/27073
6376 * gcse.c (try_replace_reg): Revert last change. Continue to search
6377 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6380 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6382 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6383 aggregate types other than record and union types.
6384 (function_arg): Likewise.
6385 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6387 (function_value): In 64-bit mode, return objects that require it
6390 2006-04-11 Roger Sayle <roger@eyesopen.com>
6392 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6394 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6396 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6398 2006-04-03 Jeff Law <law@redhat.com>
6401 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6402 alias information too.
6404 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6406 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6408 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6411 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6412 (premark_used_types_helper): New.
6413 (premark_used_types): New.
6414 (gen_subprogram_die): Call premark_used_types.
6415 (prune_unused_types_walk): Do not prune perennial dies.
6416 * function.c (used_types_insert): New.
6417 * function.h (struct function): Add used_types_hash field.
6418 (used_types_insert): Add prototype.
6419 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6420 * c-parser.c (c_parser_cast_expression): Save casted types in used
6423 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6426 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6427 rs6000_explicit_options.float_gprs.
6429 2006-04-10 Roger Sayle <roger@eyesopen.com>
6431 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6432 from ix86_expand_vector_init_low_nonzero. Take an additional
6433 one_var argument indicating which element is non-zero. Support
6434 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6435 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6436 with one_var instead of ix86_expand_vector_init_low_nonzero.
6438 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6440 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6441 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6442 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6443 build/genextract.o): Depend on vecprim.h.
6444 * cfglayout.c, df-problems.c, function.c, genextract.c,
6445 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6446 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6450 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6452 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6453 Declare VECs of this type.
6454 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6455 (remove_children): Delete.
6456 (add_dwarf_attr): Use VEC routines.
6457 (add_AT_flag): Update for changes to add_dwarf_attr.
6458 (add_AT_int): Likewise.
6459 (add_AT_unsigned): Likewise.
6460 (add_AT_long_long): Likewise.
6461 (add_AT_vec): Likewise.
6462 (add_AT_string): Likewise.
6463 (add_AT_die_ref): Likewise.
6464 (add_AT_fde_ref): Likewise.
6465 (add_AT_loc): Likewise.
6466 (add_AT_loc_list): Likewise.
6467 (add_AT_addr): Likewise.
6468 (add_AT_lbl_id): Likewise.
6469 (add_AT_lineptr): Likewise.
6470 (add_AT_macptr): Likewise.
6471 (add_AT_offset): Likewise.
6472 (add_AT_range_list): Likewise.
6473 (get_AT): Use VEC_iterate.
6474 (remove_AT): Use VEC_ordered_remove.
6475 (free_die): Fold remove_children into here; have it use VEC_iterate.
6476 (print_die): Use VEC_iterate on attrs.
6477 (reverse_die_lists): Don't reverse attr lists.
6478 (die_checksum): Use VEC_iterate on attrs.
6479 (same_die_p): Likewise.
6480 (output_location_lists): Likewise.
6481 (build_abbrev_table): Likewise.
6482 (size_of_die): Likewise.
6483 (unmark_all_dies): Likewise.
6484 (output_abbrev_section): Likewise.
6485 (output_die): Likewise.
6486 (prune_unused_types_walk_attribs): Likewise.
6488 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6490 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6492 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6495 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6497 2006-04-09 Roger Sayle <roger@eyesopen.com>
6499 * expr.c (store_constructor): Don't bother clearing target if
6500 we're about to assign a vector to it using vec_init_optab.
6502 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6504 * tree-ssa-alias.c (lhs_may_store_to): New function.
6505 (recalculate_used_alone): Handle LHS of calls.
6507 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6511 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6512 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6513 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6514 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6515 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6516 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6517 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6518 stubs. Add ".align 8" directives before all ".dword" directives.
6519 (GTHREAD_USE_WEAK): Revise comment.
6520 (TARGET_ATTRIBUTE_WEAK): Define.
6521 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6522 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6523 * stublib.c: New file.
6528 * pa.md (cbranch patterns): Revise arguments used in calls to
6529 output_cbranch, output_bb and output_bvd. Add long branch length
6531 (fbranch patterns): Handle long branches.
6532 (jump): Revise length check. Revise arguments for output_lbranch call.
6533 Add long branch length attributes.
6534 (decrement_and_branch_until_zero): Add long branch length attributes.
6535 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6536 Likewise. Revise arguments for output_parallel_addb and
6537 output_parallel_movb calls.
6538 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6539 output_parallel_movb and output_parallel_addb): Update prototypes.
6540 * pa.c (output_cbranch): Revise arguments. Correct handling of
6541 nullification in long branches.
6542 (output_lbranch): Add new argument to control extraction of delay
6544 (output_bb): Handle long branches.
6545 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6546 output_parallel_addb): Likewise.
6548 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6550 PR rtl-optimization/27073
6551 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6554 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6556 * tree.h (tree_memory_tag): Add old_used_alone.
6557 (SMT_OLD_USED_ALONE): New macro.
6558 * tree-ssa-alias.c (recalculate_used_alone): Stop
6559 marking things for renaming unnecessarily.
6561 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6563 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6564 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6565 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6566 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6567 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6568 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6569 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6570 spelling convensions.
6571 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6572 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6573 typos. Follow spelling conventions.
6575 2006-04-07 DJ Delorie <dj@redhat.com>
6577 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6578 passed on the stack.
6579 (m32c_init_cumulative_args): When a function returns a structure,
6580 always pass the pointer to that return area on the stack.
6581 (m32c_function_arg_advance): Don't increment the parameter number
6582 if we're processing the returned structure pointer.
6583 (pushm_info): Reverse order of registers.
6585 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6587 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6588 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6589 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6590 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6592 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6593 chrec_fold_multiply): Same.
6594 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6595 force_expr_to_var_cost): Same.
6596 * tree-mudflap.c (mf_xform_derefs_1): Same.
6597 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6599 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6601 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6602 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6605 2006-04-07 Jan Hubicka <jh@suse.cz>
6607 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6609 2006-04-07 Richard Guenther <rguenther@suse.de>
6611 PR tree-optimization/26135
6612 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6613 loads for store copy-prop.
6614 (copy_prop_visit_stmt): Likewise.
6616 2006-04-05 Robert Millan <robertmh@gnu.org>
6618 * config/i386/linux.h: Add a comment to mark macros that are
6619 being overriden in config/k*bsd-gnu.h.
6620 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6622 * config/knetbsd-gnu.h: Ditto.
6624 2006-04-06 Jan Hubicka <jh@suse.cz>
6628 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6631 2006-04-06 Mike Stump <mrs@apple.com>
6633 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6634 for HAVE_nonlocal_goto to be consistent.
6635 (expand_builtin_nonlocal_goto): Likewise.
6636 (expand_builtin_strcmp): Use #ifdef instead of #if
6637 for HAVE_cmpstrnsi to be consistent.
6639 2006-04-05 DJ Delorie <dj@redhat.com>
6641 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6644 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6646 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6647 got-relative addressing for anything but SImode.
6649 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6650 even if the calling function doesn't modify them.
6652 2006-04-05 Richard Guenther <rguenther@suse.de>
6654 PR tree-optimization/26919
6655 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6656 to cgraph_estimate_size_after_inlining.
6658 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6660 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6662 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6664 PR tree-optimization/26996
6665 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6666 VECTOR_TYPE variables.
6668 2006-04-05 Richard Guenther <rguenther@suse.de>
6670 PR tree-optimization/26763
6671 * fold-const.c (fold_comparison): Move folding of
6672 PTR + CST CMP PTR + CST ...
6673 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6675 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6677 * doc/install.texi (Prerequisites): Refine some wording on
6678 bootstrapping and ksh.
6679 Move the version numbers of DejaGnu here from the testing section
6680 and fix casing of names.
6681 Fix markup and clarify wording for autogen requirements.
6682 Refer to GCJ instead of just java.
6683 Refer to SVN instead of CVS.
6684 Describe diffutils as useful instead of necessary.
6685 (Downloading the source): Refer to SVN instead of CVS.
6686 Adjust a link to our web site accordingly.
6687 (Configuration): Fix casing of Bison.
6688 (Building): Refer to SVN instead of CVS.
6689 Fix a sentence on the use of Bison and remove duplicate (and
6690 incorrect) version number of Bison requirement.
6691 Remove one redundant list of packages needed for building.
6692 (Specific): Avoid reference to CVS.
6694 2006-04-04 Eric Christopher <echristo@apple.com>
6696 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6697 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6698 (rs6000_handle_struct_attribute): New.
6699 (rs6000_ms_bitfield_layout_p): Ditto.
6701 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6703 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6704 NULL for dso parameter to atexit_common.
6706 2006-04-04 Eric Christopher <echristo@apple.com>
6708 * config/i386/i386.c (machopic_output_stub): Output \t
6709 between instructions and operands.
6711 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6713 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6714 satisfies_constraint_[IL] to explicit tests on value.
6716 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6718 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6719 set_nb_iterations_in_loop): Use build_int_cst instead of
6721 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6722 build_int_cst instead of convert.
6724 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6726 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6727 new value 2 for incoming.
6728 * function.c (expand_function_start): Call struct_value_rtx
6730 * config/sparc/sparc.md: Comment updated_return.
6731 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6732 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6733 struct return if sparc_std_struct_return and incoming is 2.
6734 (print_operand): Do not adjust return if
6735 sparc_std_struct_return.
6737 2006-04-04 Roger Sayle <roger@eyesopen.com>
6739 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6740 convert in the middle-end.
6741 * expr.c (store_expr, store_constructor, get_inner_reference,
6742 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6744 * tree.c (build_range_type): Likewise.
6746 2006-04-04 Tom Tromey <tromey@redhat.com>
6748 * doc/install.texi (Prerequisites): Mention jar.
6750 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6752 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6755 2006-04-04 Matthias Klose <doko@debian.org>
6757 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6761 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6764 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6766 * doc/extend.texi (Function Attributes): Rewrite visibility
6767 attribute documentation.
6768 * doc/invoke.texi (C++ Dialect Options): Rewrite
6769 -fvisibility-inlines-hidden documentation to describe something
6770 entirely different, although in practise compatible.
6771 (Code Gen Options): Warn about system headers in -fvisibility=
6774 * doc/extend.texi (Other Builtins): Document that
6775 __builtin_nan is a compile-time constant only when its argument
6778 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6780 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6781 trying to remove TRUNCATE check if all bits outside the new mode
6782 are identical to the sign bit.
6784 2006-04-03 Jeff Law <law@redhat.com>
6786 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6787 and operand scanning in some common cases.
6789 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6790 Dale Johannesen <dalej@apple.com>
6793 * regclass.c (struct reg_pref): Update documentation.
6794 (regclass): Set prefclass to NO_REGS if memory is the best option.
6795 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6796 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6797 into account. For non-registers, equate an empty preferred
6798 reload class to a `!' in the constraint; move the if clause to
6799 do so after those that reject the insn.
6800 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6802 (find_dummy_reload): Likewise.
6803 * doc/tm.texi (Register Classes): Document what it means
6804 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6805 * config/i386/i386.c (ix86_preferred_reload_class): Force
6806 using SSE registers (and return NO_REGS for floating-point
6807 constants) if math is done with SSE.
6808 (ix86_preferred_output_reload_class): New.
6809 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6810 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6811 * config/i386/i386.md: Remove # register preferences.
6813 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6816 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6817 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6818 the type of nb_iter.
6819 (instantiate_parameters_1): Convert the operands before calling
6820 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6821 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6823 2006-04-02 Roger Sayle <roger@eyesopen.com>
6825 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6826 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6828 * dojump.c (do_jump): Likewise.
6829 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6830 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6831 gimplify_boolean_expr): Likewise.
6832 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6833 * varasm.c (array_size_for_constructor): Likewise.
6834 * tree-object-size.c (compute_object_offset): Likewise.
6836 2006-04-02 Roger Sayle <roger@eyesopen.com>
6839 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6840 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6842 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6844 PR tree-optimization/26939
6845 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6847 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6849 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6850 at_stmt. Convert the type of operands before calling
6851 build_polynomial_chrec.
6852 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6854 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6855 (instantiate_parameters_1): Convert the type of operands before calling
6856 build_polynomial_chrec.
6857 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6858 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6859 reset_evolution_in_loop): Insert asserts to check the types of the
6861 (chrec_type): Moved...
6862 (eq_evolutions_p): Use operand_equal_p.
6863 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6864 the types of the operands.
6865 (chrec_type): ...here.
6866 * tree-data-ref.c (create_data_ref): Convert the operands before
6867 calling chrec_replace_initial_condition.
6868 (same_access_functions, analyze_subscript_affine_affine,
6869 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6870 (compute_subscript_distance, analyze_ziv_subscript,
6871 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6872 analyze_miv_subscript): Convert the operands before calling
6873 chrec_fold_minus or chrec_fold_plus.
6875 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6877 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6878 the dependence_relations vector.
6879 (compute_data_dependences_for_loop): Adjust call to
6880 compute_all_dependences.
6882 2006-04-01 Roger Sayle <roger@eyesopen.com>
6883 Richard Henderson <rth@redhat.com>
6885 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6886 gimple_boolify on the condition before calling gimplify_expr.
6888 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6890 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6891 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6892 the frame size. Update to use the new macros.
6893 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6894 * config/xtensa/ieee754-df.S: Likewise.
6896 2006-03-31 Richard Henderson <rth@redhat.com>
6898 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6899 (make_edges): ... here. Control fallthru creation with a local
6900 variable. Do not play with fake edges.
6901 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6902 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6905 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6907 * dwarf2.h (DW64_CIE_ID): Define.
6908 * dwarf2out.c (DWARF_CIE_ID): Define.
6909 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6910 length header. Use DWARF_CIE_ID.
6911 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6912 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6914 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6916 * config/sh/linux-atomic.asm: New file.
6917 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6919 2006-03-31 DJ Delorie <dj@redhat.com>
6921 * config/m32c/cond.md: Set condition flags properly throughout.
6922 * config/m32c/minmax.md: Likewise.
6923 * config/m32c/prologue.md: Likewise.
6924 * config/m32c/bitops.md: Likewise.
6925 * config/m32c/muldiv.md: Likewise.
6926 * config/m32c/mov.md: Likewise.
6927 * config/m32c/addsub.md: Likewise.
6928 * config/m32c/m32c.md: Likewise.
6929 * config/m32c/jump.md: Likewise.
6930 * config/m32c/shift.md: Likewise.
6932 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6933 conditionally output the pattern for this.
6934 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6935 (m32c_compare_redundant): New.
6936 (m32c_output_compare): New.
6937 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6939 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6940 dest, not src. Allow other 4-byte modes.
6942 2006-03-30 Denis Chertykov <denisc@overta.ru>
6944 * doc/md.texi: Refer to avr/constraints.md instead of
6947 2006-03-30 Roger Sayle <roger@eyesopen.com>
6949 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6950 signed vs. unsigned comparison failures on some hosts.
6952 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6955 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6956 change to FLOAT_REGS.
6958 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6959 (rs6000_override_options): Use it.
6960 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6961 only for -mabi=spe/no-spe and -mabi=altivec.
6963 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6965 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6968 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6970 * Makefile.in: Rename docdir to gcc_docdir.
6972 2006-03-30 Roger Sayle <roger@eyesopen.com>
6975 * expr.c (emit_group_store): Optimize group stores into a pseudo
6976 register by using a paradoxical subreg to initialize the destination
6977 if the first or last member of the group specifies a "low part".
6979 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6982 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6983 * target.h (struct gcc_target.speculate_insn): Change type of the
6984 second parameter to 'int'.
6985 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6986 the second operand of the DEPS_LIST.
6987 (copy_DEPS_LIST_list): Update reference to the second operand of the
6989 * rtl.h (alloc_DEPS_LIST): Update signature.
6990 * sched-int.h (ds_t): Change typedef to 'int'.
6991 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6993 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6995 * haifa-sched.c (try_ready): Change condition to restore
6996 non-speculative pattern of the instruction.
6997 (process_insn_depend_be_in_spec): Code to keep probability of the
6998 speculative dependence non-decreasing.
7000 2006-03-30 Jie Zhang <jie.zhang@analog.com>
7002 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
7003 (single_move_for_movmem): ... this. Also change all uses.
7004 (bfin_expand_strmov): Renamed to...
7005 (bfin_expand_movmem): ... this. Also change all uses.
7006 * config/bfin/bfin.md (movstrsi): Renamed to...
7007 (movstrsi): ...this.
7009 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
7011 PR tree-optimization/26830
7013 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
7014 (copy_prop_visit_stmt): Remove write-only variable ann.
7015 (init_copy_prop): Check variable loop depth here. Do not simulate
7016 memory-tag and virtual operand PHIs except for store copy prop.
7018 2006-03-30 Richard Guenther <rguenther@suse.de>
7020 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
7021 variants with double arguments.
7023 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7025 * genpreds.c (write_tm_constrs_h): Delete variable p.
7026 * genconditions.c (write_header): Add tm-constrs.h to included
7028 * genpeep.c (main): Add toplev.h to included headers.
7029 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
7030 (build/genpeep.o): Add toplev.h dependency.
7031 * config/rs6000/constraints.md: Add "W" constraint.
7033 2006-03-29 Roger Sayle <roger@eyesopen.com>
7035 * stor-layout.c (mode_for_size_tree): Remove restiction on type
7036 sizes by correctly testing whether the size fits a host integer.
7037 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
7038 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
7039 SImode range for the default sizetype and bitsizetype.
7041 2006-03-29 Roger Sayle <roger@eyesopen.com>
7043 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
7044 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
7045 quickly if the argument is already of the correct type.
7046 Call fold_build1 instead of build1. Tidy up blank lines.
7048 2006-03-29 David Edelsohn <edelsohn@gnu.org>
7050 * genemit.c (main): Add tm-constrs.h to included headers.
7051 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
7052 * genpeep.c (main): Add tm-constrs.h to included headers.
7053 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
7054 (write_tm_constrs_h): this and write complete file.
7055 (write_tm_preds_h): Do not emit satisfies_constraint fns.
7056 (write_insn_preds_c): Add tm-constrs.h to included headers.
7057 (gen_constrs): New variable.
7058 (parse_option): Parse "-c".
7059 (main): Invoke write_tm_constrs_h.
7060 * genrecog.c (write_header): Add tm-constrs.h to included headers.
7061 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
7062 (object_out_file): Add tm-constrs.h dependency.
7063 (insn-emit.o): Same.
7064 (insn-output.o): Same.
7065 (insn-peep.o): Same.
7066 (insn-preds.o): Same.
7067 (insn-recog.o): Same.
7068 (tm-constsr.h): New target.
7069 (s-constrs-h): New target.
7071 * config/rs6000/constraints.md: New file.
7072 * config/rs6000/rs6000.c: Include tm-constrs.h.
7073 (num_insn_constant_wide): Convert to satisfies_constraint.
7074 (rs6000_rtx_costs): Convert to satisfies_constraint.
7075 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7076 (CONST_OK_FOR_LETTER_P): Delete.
7077 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7078 (EXTRA_CONSTRAINT): Delete.
7079 (EXTRA_MEMORY_CONSTRAINT): Delete.
7080 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7081 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7082 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7083 satisfies_constraint.
7085 * config/i386/i386.c: Include tm-constrs.h.
7087 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7089 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7090 * tree-data-ref.c (find_data_references_in_loop,
7091 compute_data_dependences_for_loop): Use pointers to VEC.
7092 (analyze_all_data_dependences): Adjust calls.
7093 * tree-data-ref.h (find_data_references_in_loop,
7094 compute_data_dependences_for_loop): Adjust declarations.
7095 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7096 compute_data_dependences_for_loop.
7098 2006-03-29 Paul Brook <paul@codesourcery.com>
7100 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7103 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7105 PR tree-optimization/26859
7106 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7108 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7109 for the step after fold_convert.
7111 2006-03-29 Paul Brook <paul@codesourcery.com>
7113 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7114 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7116 2006-03-29 Paul Brook <paul@codesourcery.com>
7119 * targhooks.c (default_narrow_bitfield): New fuction.
7120 * targhooks.h (default_narrow_bitfield): add prototype.
7121 * target.h (gcc_target): Add narrow_volatile_bitfield.
7122 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7123 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7124 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7125 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7127 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7129 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7131 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7132 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7133 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7134 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7135 (s390_function_arg_float): Allow SDmode and DDmode values to be
7136 passed in floating point registers.
7137 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7138 check with SCALAR_FLOAT_MODE_P.
7139 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7141 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7143 PR tree-optimization/25985
7144 * tree-ssa-loop-niter.c (number_of_iterations_le,
7145 number_of_iterations_ne): Make comments more precise.
7146 (number_of_iterations_cond): Add only_exit argument. Use the
7147 fact that signed variables do not overflow only when only_exit
7149 (loop_only_exit_p): New.
7150 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7151 number_of_iterations_cond.
7153 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7155 PR tree-optimization/26643
7156 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7159 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7161 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7162 (divsi3_i4_int): Likewise.
7164 2006-03-28 Roger Sayle <roger@eyesopen.com>
7166 * expr.c (emit_group_store): Only create a new pseudo reg if the
7167 quantity it needs to hold isn't already a suitable pseudo.
7169 2006-03-28 Jeff Law <law@redhat.com>
7171 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7172 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7174 2006-03-28 Roger Sayle <roger@eyesopen.com>
7176 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7177 the equivalent ~X & Y, and the symmetry related transformations.
7178 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7179 ~X & Y, and symmetry related transforms.
7181 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7183 Revert my 2006-03-27 patches.
7185 2006-03-28 Roger Sayle <roger@eyesopen.com>
7187 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7188 ~(T1)X, when T1 and T2 are integer types of the same precision
7189 and (T2)X isn't an extension.
7191 2006-03-28 Jeff Law <law@redhat.com>
7193 PR tree-optimization/26796
7194 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7195 need EH edge cleanups rather than purging them immediately.
7196 (eliminate_degenerate_phis): Handle queued EH cleanups.
7198 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7200 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7203 2006-03-27 Roger Sayle <roger@eyesopen.com>
7206 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7207 cast BIT_NOT_EXPR operand to the correct type.
7209 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7211 * tree-loop-linear.c: Don't include varray.h.
7212 (gather_interchange_stats, try_interchange_loops,
7213 linear_transform_loops): Use VEC instead of VARRAY.
7214 * lambda-mat.c: Don't include varray.h.
7215 * tree-chrec.c: Same.
7216 * lambda-trans.c: Same.
7217 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7218 VEC instead of VARRAY.
7219 * tree-vectorizer.h: Idem.
7220 * tree-data-ref.c (dump_data_references,
7221 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7222 initialize_data_dependence_relation, finalize_ddr_dependent,
7223 compute_all_dependences, find_data_references_in_loop,
7224 compute_data_dependences_for_loop, analyze_all_data_dependences,
7225 free_dependence_relation, free_dependence_relations,
7226 free_data_refs): Idem.
7227 * tree-data-ref.h (data_reference_p, subscript_p): New.
7228 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7229 VEC instead of VARRAY.
7230 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7231 (find_data_references_in_loop, compute_data_dependences_for_loop,
7232 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7233 dump_data_dependence_relations, free_dependence_relations,
7234 free_data_refs): Adjust declaration.
7235 (lambda_transform_legal_p): Move declaration here...
7236 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7237 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7238 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7239 vect_analyze_data_refs): Use VEC instead of VARRAY.
7240 * lambda.h (lambda_transform_legal_p): ...from here.
7241 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7242 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7243 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7244 tree-chrec.o): Don't depend on VARRAY_H.
7246 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7248 * rtl.def (Copyright): Update date.
7249 (DEPS_LIST): Change type of the second operand to 'int'.
7250 * target.h (Copyright): Update date.
7251 (struct gcc_target.speculate_insn): Change type of the second parameter
7253 * lists.c (Copyright): Update date.
7254 (alloc_DEPS_LIST): Change signature. Update reference to the second
7255 operand of the DEPS_LIST.
7256 (copy_DEPS_LIST_list): Update reference to the second operand of the
7258 * rtl.h (Copyright): Update date.
7259 (alloc_DEPS_LIST): Update signature.
7260 * sched-int.h (Copyright): Update date.
7261 (ds_t): Change typedef to 'int'.
7262 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7264 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7266 * haifa-sched.c (Copyright): Update date.
7267 (try_ready): Change condition to restore non-speculative pattern
7269 (process_insn_depend_be_in_spec): Code to keep probability of the
7270 speculative dependence non-decreasing.
7272 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7274 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7275 shut up the compiler.
7277 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7279 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7280 to use lib prefix for target.
7281 ($(T)libic_invalidate_array_4-200.a): Likewise.
7282 ($(T)libic_invalidate_array_4a.a): Likewise.
7284 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7285 J"orn Rennecke <joern.rennecke@st.com>
7287 * superh.opt: New file.
7288 * sh.c (boardtype, osruntime): Remove.
7289 * superh.h (SUBTARGET_OPTIONS): Remove.
7290 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7292 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7293 arguments with ^ and/or [].
7295 * config.gcc (sh-*-*): Add quoting to account for quirk of
7297 Replace == with = in enable_incomplete_targets test.
7299 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7300 with MASK_LITTLE_ENDIAN.
7302 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7303 * config/sh/sh.opt: Added to some comments.
7304 * config/sh/superh.h: Removed some chaff.
7306 * config/sh/sh.opt: Add m4-[1234]00* options.
7307 * config/sh/sh.c (sh_handle_option): Likewise.
7308 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7309 (ic_invalidate_array_4-100.o): New rule.
7310 ($(T)libic_invalidate_array_4-100.a): Likewise.
7311 (ic_invalidate_array_4-200.o): Likewise.
7312 ($(T)libic_invalidate_array_4-200.a): Likewise.
7313 (ic_invalidate_array_4a.o): Likewise.
7314 ($(T)libic_invalidate_array_4a.a): Likewise.
7315 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7316 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7318 * config/sh/crt1.asm: Merged in profiling code.
7319 * config/sh/superh.h (STARTFILE_SPEC): Override.
7320 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7321 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7322 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7324 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7325 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7326 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7328 * sh.opt (mpretend-cmove): New option.
7329 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7330 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7331 (movsicc): Add TARGET_PRETEND_CMOVE code.
7333 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7335 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7336 s390_class_max_nregs): New function prototypes.
7337 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7338 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7339 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7340 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7342 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7344 * dwarf2out.c (add_location_or_const_value_attribute): Call
7345 tree_add_const_value_attribute if nothing else works.
7346 (reference_to_unused): New.
7347 (rtl_for_decl_init): Use reference_to_unused to decide whether
7348 to output an initializer.
7350 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7353 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7354 peephole removing spe frob_di_df_2.
7356 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7358 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7359 (subscript_dependence_tester_1): Declared.
7360 (print_dir_vectors, print_dist_vectors): New.
7361 (debug_data_dependence_relation): New.
7362 (dump_data_dependence_relation): Print more details.
7363 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7364 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7365 (save_dist_v, save_dir_v, add_outer_distances,
7366 build_classic_dist_vector_1): New.
7367 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7368 Don't test for lambda_vector_lexico_pos.
7369 (same_access_functions, add_multivariate_self_dist,
7370 add_other_self_distances, dir_from_dist): New.
7371 (build_classic_dir_vector): Replace implementation almost identical to
7372 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7374 (subscript_dependence_tester_1): New.
7375 (subscript_dependence_tester): Handle the lexicographically negative
7376 distance vectors by recomputing the dependence relation.
7377 (compute_affine_dependence): Remove parameter loop_nest_depth.
7378 (compute_self_dependence): Don't call compute_subscript_distance.
7379 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7380 Add a parameter for the loop_nest.
7381 (find_loop_nest_1, find_loop_nest): New.
7382 (compute_data_dependences_for_loop): Compute the loop nest, and give
7383 up if the nest is not well formed.
7384 * tree-data-ref.h (loop_p): New.
7385 (struct data_dependence_relation): Replace size_vect field with
7386 loop_nest, a vec of loops.
7387 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7388 (DDR_LOOP_NEST): New.
7389 (print_dir_vectors, print_dist_vectors,
7390 debug_data_dependence_relation): Declared.
7391 (index_in_loop_nest): New.
7392 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7393 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7396 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7398 * simplify-rtx.c (simplify_relational_operation): Call
7399 simplify_relational_operation_1 even if mode is VOIDmode.
7401 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7403 PR tree-optimization/26804
7404 * tree.h (DECL_CALL_CLOBBERED): New macro.
7405 (tree_decl_common): Add call_clobbered_flag.
7406 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7407 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7408 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7409 (mark_non_addressable): Ditto.
7410 * tree-ssa.c (verify_call_clobbered): New function.
7411 (verify_alias_info): Use it.
7412 * tree-pass.h (pass_reset_cc_flags): New prototype.
7413 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7414 (reset_cc_flags): New function.
7415 * passes.c (init_optimization_passes): Call reset_cc_flags after
7416 initializing referenced_vars.
7418 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7419 Roger Sayle <roger@eyesopen.com>
7422 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7423 to 1.0 for non-real operands. Implement A / A optimization for
7426 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7428 * config/i386/i386.c (size_cost): Correct the comment for
7429 cost of storing fp registers.
7430 (i386_cost): Likewise.
7431 (i486_cost): Likewise.
7432 (pentium_cost): Likewise.
7433 (pentiumpro_cost): Likewise.
7434 (k6_cost): Likewise.
7435 (athlon_cost): Likewise.
7436 (k8_cost): Likewise.
7437 (pentium4_cost): Likewise.
7438 (nocona_cost): Likewise.
7439 (generic64_cost): Likewise.
7440 (generic32_cost): Likewise.
7442 2006-03-24 Denis Chertykov <denisc@overta.ru>
7444 * config/avr/avr-protos.h (extra_constraint): Delete.
7445 (extra_constraint_Q): New declaration.
7446 * config/avr/constraints.md: New file.
7447 * config/avr/avr.md: Include it.
7448 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7449 (TMP_REGNO, ZERO_REGNO): Likewise.
7450 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7451 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7452 (extra_constraint): Delete.
7453 (extra_constraint_Q): Test for memory constraint 'Q'.
7454 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7455 (REG_CLASS_FROM_LETTER): Delete.
7456 (CONST_OK_FOR_LETTER_P): Delete.
7457 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7458 (EXTRA_CONSTRAINT): Delete.
7459 (TMP_REGNO): Delete.
7460 (ZERO_REGNO): Delete.
7462 2006-03-24 Jeff Law <law@redhat.com>
7464 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7465 directly. Call mark_new_vars_to_rename slightly earlier.
7467 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7469 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7471 (gen_compile_unit_die): Use new language types for Objective-C and
7473 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7474 DW_LANG_C_plus_plus.
7477 * config/t-darwin (crt3.o): Work around bug 26840.
7478 * config/darwin-crt3.c: Rewrite.
7479 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7481 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7483 * doc/invoke.texi: Document -femit-class-debug-always
7484 * common.opt: Add -femit-class-debug-always.
7486 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7488 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7489 index and base register.
7490 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7491 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7492 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7493 REGNO_OK_FOR_INDEX_P.
7494 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7496 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7497 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7498 REG_OK_FOR_BASE_P): Definitions removed.
7500 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7503 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7504 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7505 set yet or weren't marked as local yet.
7507 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7509 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7512 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7514 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7515 (rs6000_legitimate_small_data_p): Delete.
7516 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7517 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7518 and make static. Add forward declaration. Update uses.
7519 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7520 of offsettable_memref_p.
7521 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7522 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7524 2006-03-24 Jeff Law <law@redhat.com>
7526 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7527 around bug in immediate-use iterator.
7529 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7532 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7533 or __LITTLE_ENDIAN__.
7535 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7537 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7538 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7539 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7540 * config/sh/sh.opt (mdiv=): Amend description.
7541 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7542 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7543 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7544 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7545 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7546 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7547 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7548 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7549 TARGET_DIVIDE_CALL_FP.
7551 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7553 * haifa-sched.c (choose_ready): Fix type of the local variable.
7554 Move local variables. Add comment.
7555 (check_reg_live): Change signature. Make callable from debugger.
7556 * sched-int.h (check_reg_live): Update signature.
7557 * sched-ebb.c (check_reg_live): Update parameters.
7558 * sched-rgn.c (check_reg_live): Ditto.
7559 (region_head_or_leaf_p): Check pointer before dereferencing.
7560 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7561 before reload on optimization levels below 1.
7563 2006-03-23 Richard Henderson <rth@redhat.com>
7565 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7569 * config/alpha/predicates.md (local_symbolic_operand): Reject
7572 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7575 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7576 expressions which have overflowed constants.
7578 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7580 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7582 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7584 * cfgloopmanip.c (create_loop_notes): Removed.
7585 * final.c (final_scan_insn): Do not handle loop notes.
7586 * jump.c (squeeze_notes): Ditto.
7587 * cfglayout.c (skip_insns_after_block,
7588 duplicate_insn_chain): Ditto.
7589 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7591 * cfgloop.h (create_loop_notes): Declaration removed.
7593 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7595 * varasm.c (output_constant_pool): Restore fnname and fndecl
7597 (assemble_start_function): Adjust call accordingly.
7598 (assemble_end_function): Likewise.
7600 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7603 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7606 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7608 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7611 * system.h (ICE_EXIT_CODE): New macro.
7612 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7613 (diagnostic_action_after_output): Likewise.
7614 * gcc.c (fatal_ice): New function.
7615 (execute): Use it instead of fatal.
7616 (fancy_abort): Likewise.
7617 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7619 2006-03-22 Jeff Law <law@redhat.com>
7621 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7622 iv_analyze_result returning false.
7624 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7626 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7628 2006-03-22 Richard Henderson <rth@redhat.com>
7631 * except.c (duplicate_eh_regions_0): New.
7632 (duplicate_eh_region_1): Duplicate the children of the node as
7633 well as the node itself. Link them up properly.
7634 (duplicate_eh_region_2): Merge into ...
7635 (duplicate_eh_regions): ... here. Take copy_region argument, and
7636 copy only a sub-tree if asked. Simplify copying and fixup.
7637 (eh_region_outer_p): New.
7638 * except.h (duplicate_eh_regions): Update decl.
7639 (eh_region_outer_p): Declare.
7640 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7641 (lower_omp_master): Likewise.
7642 (lower_omp_ordered): Likewise.
7643 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7644 (move_stmt_r): Use it to remap labels. Handle recursion vs
7645 remap_decls_p properly.
7646 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7647 (find_outermost_region_in_block): New.
7648 (new_label_mapper): New.
7649 (move_sese_region_to_fn): Copy eh information to the new function
7651 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7653 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7656 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7658 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7659 into shared libraries.
7661 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7663 * doc/md.texi: Refer to i386/constraints.md instead of
7665 * config/i386/constraints.md: New file, extracted from...
7666 * config/i386/predicates.md: ...here.
7667 * config/i386/i386.md: Include constraints.md.
7669 2006-03-21 Jason Merrill <jason@redhat.com>
7671 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7674 * expr.c (init_block_move_fn): Force default visibility.
7675 (init_block_clear_fn): Likewise.
7676 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7677 * targhooks.c (default_external_stack_protect_fail): Likewise.
7679 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7681 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7682 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7683 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7684 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7685 (loadgp): Use mips_current_loadgp_style.
7686 (loadgp_noshared): New pattern.
7687 (sibcall_internal): Use MIPS_CALL.
7688 (sibcall_value_internal): Likewise.
7689 (sibcall_value_multiple_internal): Likewise.
7690 (call_internal): Likewise.
7691 (call_value_internal): Likewise.
7692 (call_value_multiple_internal): Likewise.
7693 (call_split): Use MIPS_CALL and add an 'S' constraint.
7694 (call_value_split): Likewise.
7695 (call_value_multiple_split): Likewise.
7696 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7697 (-mshared): New option.
7698 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7699 (mips_current_loadgp_style): Declare.
7700 * config/mips/mips.c (mips_classify_symbol): Avoid using
7701 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7702 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7703 TARGET_ABSOLUTE_ABICALLS.
7704 (override_options): Adjust comments. Improve the warning that is
7705 issued when -mabicalls and -G are used together.
7706 (mips_file_start): Remove comment.
7707 (mips_current_loadgp_style): New function.
7708 (mips_gnu_local_gp): New variable.
7709 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7711 (mips_output_function_prologue): Use mips_current_laodgp_style.
7712 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7713 the cprestore instruction.
7714 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7715 live for TARGET_ABSOLUTE_ABICALLS.
7716 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7717 (ASM_SPEC): Pass down -mshared and -mno-shared.
7718 (MIPS_CALL): New macro.
7719 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7721 * doc/invoke.texi (-mabicalls): Update documentation.
7722 (-mshared): Document.
7724 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7726 * config/ia64/unwind-hpux.c: New file.
7727 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7729 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7732 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7734 2006-03-21 Jeff Law <law@redhat.com>
7736 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7737 type conversions of a VR_VARYING source to a wider type.
7739 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7741 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7742 tm_file on Solaris 10 and later.
7743 (sparc64-*-solaris2*): Likewise.
7744 (sparc-*-solaris2*): Likewise.
7745 * config/sol26.h: Rename to config/sol2-6.h.
7746 * config/sol2-10.h: New file.
7748 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7751 * tree-ssa-pre.c (create_component_ref_by_pieces):
7754 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7757 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7758 return it immediately.
7760 2006-03-21 Michael Matz <matz@suse.de>
7762 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7764 (remove_arc, add_arc): Update num_out_arcs member.
7765 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7767 (cache_presence): New function.
7768 (compare_states_for_equiv): New function.
7769 (state_is_differed): Don't take number of outargs, adjust callers.
7770 Use new invariant for speeding up.
7771 (init_equiv_class): Create initial classes based on sorted
7773 (partition_equiv_class): Don't track out_arcs_num.
7774 (evaluate_equiv_classes): Call cache_presence on all states and
7777 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7779 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7780 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7781 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7782 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7784 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7785 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7786 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7787 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7788 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7790 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7791 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7792 (REGNO_REG_CLASS): ARGP is in PREGS.
7793 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7795 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7796 to deal with those addresses.
7797 * addresses.h: New file.
7798 * caller-save.c: Include "addresses.h".
7799 (init_caller_save): Use new base_reg_class function.
7800 * rtl-factoring.c: Include "addresses.h".
7801 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7802 * recog.c: Include "addresses.h".
7803 (preprocess_constraints): Use new base_reg_class function.
7804 * regrename.c: Include "addresses.h".
7805 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7806 functions. Keep track of a new var INDEX_CODE to compute valid
7808 (replace_oldest_value_addr): Likewise.
7809 (replace_oldest_value_mem): Use base_reg_class.
7810 * reload.c: Include "addresses.h".
7811 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7812 (find_reloads): Use new base_reg_class function.
7813 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7814 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7815 all callers and prototype changed.
7816 * reload1.c: Include "addresses.h".
7817 (maybe_fix_stack_asms): Use base_reg_class.
7818 * regclass.c: Include "addresses.h".
7819 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7820 (init_reg_autoinc): Use new base_reg_class function.
7821 (record_reg_classes): Likewise.
7822 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7823 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7824 Use new args to compute necessary class.
7826 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7827 regrename.o, rtl-factoring.o): Update dependencies.
7828 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7829 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7830 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7831 REG_OK_FOR_INDEX_P): Delete documentation.
7833 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7835 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7836 from V7 to V9 for Solaris 7 and above.
7838 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7840 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7841 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7842 argument pointers may not alias any other storage.
7843 * common.opt: Define option -fargument-noalias-anything.
7844 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7845 alias semantics is specified by flag_argument_noalias > 2.
7847 2006-03-20 Jeff Law <law@redhat.com>
7849 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7850 (pass_phi_only_cprop): Declare.
7851 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7853 * tree-ssa-dom.c (degenerate_phi_result): New function.
7854 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7855 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7856 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7857 (eliminate_degenerate_phis): Likewise.
7858 (pass_phi_only_cprop): New pass descriptor.
7859 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7860 support code. Callers updated.
7861 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7862 (store_copy_prop): Likewise.
7863 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7865 2006-03-20 Jason Merrill <jason@redhat.com>
7868 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7869 (push_visibility, pop_visibility): Likewise.
7870 * c-pragma.h: Declare them.
7872 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7874 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7876 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7877 parameter and use get_ebb_head_tail.
7878 (sh_md_init_global): Adjust uses of find_regmode_weight.
7880 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7882 * function.h (struct function) <x_tail_recursion_reentry>:
7883 Rename to x_stack_check_probe_note.
7884 (tail_recursion_reentry): Rename to stack_check_probe_note.
7885 * function.c: Replace tail_recursion_reentry with
7886 stack_check_probe_note everywhere.
7887 (expand_function_start): Only emit a note for
7888 stack_check_probe_note with -fstack-protect.
7889 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7891 * emit-rtl.c (remove_unnecessary_notes): Remove.
7892 (pass_remove_unnecessary_notes): Remove.
7893 * rtl.h (remove_unnecessary_notes): Remove prototype.
7894 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7895 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7896 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7898 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7901 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7902 (valid_in_set): Handle ARRAY_REF.
7903 Change "if min_variant or VH" to asserts.
7904 (create_component_ref_by_pieces): Handle ARRAY_REF.
7905 (create_expression_by_pieces): Likewise.
7906 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7908 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7910 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7911 is operand of switch, not str[0].
7913 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7915 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7916 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7918 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7920 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7921 end of insn_extra_address_constraint declaration.
7923 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7925 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7926 (no-sum-in-toc): Same.
7927 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7929 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7930 NO_FP_IN_TOC for -fPIC instead of mask.
7932 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7933 (BOOT_LDFLAGS): Delete.
7935 * config/rs6000/t-aix52: Same.
7937 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7938 (stmsi[345678]_power): New.
7940 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7942 * config/ia64/ia64.opt: Add empty line to end of file.
7944 2006-03-17 Richard Guenther <rguenther@suse.de>
7947 * builtins.c (get_pointer_alignment): For component style references
7948 adjust alignment to the component type alignment. Make sure
7949 to adjust alignment for component access of constants.
7951 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7953 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7956 2006-03-17 Paul Brook <paul@codesourcery.com>
7958 * doc/install.texi: Docuemnt --with-mode.
7959 * config.gcc: Add --with-mode for arm*-*-*.
7960 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7962 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7964 * sh.c (max_labelno_before_reorg): New variable.
7965 (sh_reorg): Initialize it.
7966 (find_barrier): Check max_labelno_before_reorg before using
7967 label_to_alignment. Take length of explicit alignment insns
7968 into account. When seeing a UNSPECV_CONST_END, return it.
7970 * sh.c (fixup_mova): Set mode of affected label to QImode.
7971 (untangle_mova): New function.
7972 (find_barrier): Use it. Check mode of label before decrementing
7974 (sh_reorg): Likewise.
7975 Set mode of all insns back to VOIDmode.
7977 * sh.c (MOVA_LABELREF): New macro.
7978 (mova_p, fixup_mova, sh_reorg): Use it.
7979 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7980 ADDR_DIFF_VEC matches mova.
7982 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7984 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7985 with ATTRIBUTE_UNUSED.
7987 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7989 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7990 pointer, instead of assuming it is possible to derive the
7991 correct args size from a call insn.
7993 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7995 * rtl.h (CONST_INT_P): Define.
7996 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7997 instead of GET_CODE(x) == CONST_INT.
7998 (vax_rtx_costs): Likewise.
7999 (vax_output_int_move): Likewise.
8000 (vax_output_int_add): Likewise.
8001 (legitimate_constant_address_p): Likewise.
8002 (index_term_p): Likewise.
8003 * config/vax/vax.h (PRINT_OPERAND): Likewise.
8004 * config/vax/vax.md (and<mode>3): Likewise.
8005 (ashrsi3): Likewise.
8007 (movstricthi): Likewise.
8008 (movstrictqi): Likewise.
8009 (rotrsi3): Likewise.
8010 (five unnamed insns): Likewise.
8012 2006-03-16 Geoffrey Keating <geoffk@apple.com>
8014 * doc/tm.texi (SDB and DWARF): Add extra parameter to
8015 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
8016 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
8017 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
8018 Pass to ASM_OUTPUT_DWARF_OFFSET.
8019 * dwarf2out.c (debug_frame_section): New.
8020 (output_call_frame_info): Use debug_frame_section. Pass it to
8021 dw2_asm_output_offset.
8022 (output_die): Pass appropriate section to dw2_asm_output_offset.
8023 (output_compilation_unit_header): Likewise.
8024 (output_pubnames): Likewise.
8025 (output_aranges): Likewise.
8026 (enum dw_val_class): Break dw_val_class_lbl_offset into
8027 dw_val_class_lineptr and dw_val_class_macptr.
8028 (add_AT_lbl_offset): Delete.
8029 (add_AT_lineptr): New.
8030 (add_AT_macptr): New.
8031 (AT_lbl): Expect a lineptr or macptr.
8032 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
8033 (attr_checksum): Likewise.
8034 (same_dw_val_p): Likewise.
8035 (size_of_die): Likewise.
8036 (value_format): Likewise.
8037 (output_die): Likewise.
8038 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
8040 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8041 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
8042 * config/darwin-protos.h (darwin_file_start): New.
8043 (darwin_asm_output_dwarf_offset): New.
8044 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
8045 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
8047 * config/darwin.c (darwin_emit_unwind_label): Don't output label
8048 if not EH section; simplify.
8049 (darwin_file_start): New.
8050 (darwin_asm_output_dwarf_offset): New.
8051 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
8053 (DEBUG_INFO_SECTION): Likewise.
8054 (DEBUG_ABBREV_SECTION): Likewise.
8055 (DEBUG_ARANGES_SECTION): Likewise.
8056 (DEBUG_MACINFO_SECTION): Likewise.
8057 (DEBUG_LINE_SECTION): Likewise.
8058 (DEBUG_LOC_SECTION): Likewise.
8059 (DEBUG_PUBNAMES_SECTION): Likewise.
8060 (DEBUG_STR_SECTION): Likewise.
8061 (DEBUG_RANGES_SECTION): Likewise.
8062 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
8063 (ASM_OUTPUT_DWARF_OFFSET): New.
8065 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
8067 * config.gcc (tm_defines): Always add to previous value rather
8070 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8072 * config/mips/predicates.md (splittable_const_int_operand): New,
8073 split from move_operand.
8074 (splittable_symbolic_operand): New.
8075 (move_operand): Add commentary. Use splittable_const_int_operand.
8076 Inline mips_atomic_symbolic_constant_p.
8077 * config/mips/mips.md: Add combine splitters for handling moves
8078 of splittable_const_int_operands and splittable_symbolic_operands.
8079 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8080 (mips_split_symbol): Declare.
8081 (mips_move_integer): Declare.
8082 * config/mips/mips.c (mips_split_p): Make global.
8083 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8084 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8085 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8086 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8087 (mips_offset_within_object_p): Handle block symbols.
8088 (mips_atomic_symbolic_constant_p): Delete.
8089 (mips_cannot_force_const_mem): Return false for constants that
8090 mips_legitimize_move can handle.
8091 (mips_use_blocks_for_constant_p): New function.
8092 (mips_split_symbol): Make global.
8093 (mips_move_integer): Likewise. Add a temporary register argument.
8094 (mips_legitimize_const_move): Use splittable_const_int_operand and
8095 splittable_symbolic_operand.
8096 (mips_use_anchors_for_symbol_p): New function.
8097 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8098 (mips_split_p): Declare.
8100 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8102 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8103 (mips*-*-linux*): Likewise.
8105 2006-03-16 Roger Sayle <roger@eyesopen.com>
8106 Daniel Speyer <dspeyer@wam.umd.edu>
8109 * tree-dump.c (dump_real): New function.
8110 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8111 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8112 (tree-dump.o): Add $(REAL_H) to the dependencies.
8114 2006-03-16 Roger Sayle <roger@eyesopen.com>
8117 * real.c (real_from_string): If the mantissa is zero, don't bother
8118 parsing the exponent as the result should always be zero.
8120 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8122 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8124 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8126 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8127 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8128 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8129 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8130 ia64_sched_finish_global): New static functions to implement
8131 hooks from gcc_target.sched.
8132 (spec_check_no, max_uid, pending_data_specs): New static variables.
8133 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8134 ia64_spec_check_src_p): New static functions.
8135 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8136 (TARGET_SCHED_ADJUST_COST): Removed.
8137 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8138 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8139 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8140 TARGET_SCHED_GEN_CHECK,
8141 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8142 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8143 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8144 Fixed to handle speculation checks.
8145 (rtx_needs_barrier): Fixed to handle speculative loads and
8147 (ia64_variable_issue): Added code to count speculative loads and their
8149 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8151 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8153 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8155 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8156 (ia64_reorg): Reset stops_p to NULL after it is freed.
8157 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8158 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8159 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8161 (data_speculative, control_speculative, check_load): New attributes.
8162 (mov<mode>_advanced, mov<mode>_speculative,
8163 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8164 zero_extend<mode>di2_speculative,
8165 zero_extend<mode>di2_speculative_advanced): New patterns for
8166 data and control speculative loads.
8167 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8169 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8170 New pattern for data and control speculation checks.
8171 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8172 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8173 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8174 Auxiliary definitions for the patterns.
8175 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8176 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8178 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8180 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8181 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8182 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8183 New resource constraints.
8184 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8186 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8187 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8188 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8189 msched-in-control-spec, msched-ldc, msched-control-ldc,
8190 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8191 msched-prefer-non-control-spec-insns,
8192 msched-count-spec-in-critical-path): New flags to tune speculative
8194 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8195 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8196 msched-in-control-spec, msched-ldc, msched-control-ldc,
8197 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8198 msched-prefer-non-control-spec-insns,
8199 msched-count-spec-in-critical-path): Document new flags.
8201 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8203 * target.h (struct spec_info_def): New opaque declaration.
8204 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8205 speculate_insn, needs_block_p, gen_check,
8206 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8207 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8208 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8209 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8210 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8211 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8213 (TARGET_SCHED): Use new macros.
8214 * rtl.h (copy_DEPS_LIST_list): New prototype.
8215 * sched-int.h (struct sched_info): Change signature of new_ready field,
8216 adjust all initializations. New fields: add_remove_insn,
8217 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8218 region_head_or_leaf_p.
8219 (struct spec_info_def): New structure declaration.
8220 (spec_info_t): New typedef.
8221 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8222 recovery_block, orig_pat.
8223 (glat_start, glat_end): New variables declaraions.
8224 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8226 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8227 DETACH_LIFE_INFO, USE_GLAT.
8228 (enum SPEC_SCHED_FLAGS): New enumeration.
8229 (NOTE_NOTE_BB_P): New macro.
8230 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8231 attach_life_info, debug_spec_status, check_reg_live): New functions.
8232 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8233 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8235 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8236 * ddg.c (get_block_head_tail): Adjust all uses.
8237 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8238 (sms_sched_info): Initialize new fields.
8239 (contributes_to_priority): Removed.
8240 * haifa-sched.c (params.h): New include.
8241 (get_block_head_tail): Adjust all uses.
8242 (ISSUE_POINTS): New macro.
8243 (glat_start, glat_end): New global variables.
8244 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8245 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8246 old_last_basic_block, before_recovery, current_sched_info_var,
8247 rgn_n_insns, luid): New static variables.
8248 (insn_cost1): New function. Move logic from insn_cost to here.
8249 (find_insn_reg_weight1): New function. Move logic from
8250 find_insn_reg_weight to here.
8251 (reemit_notes, move_insn, max_issue): Change signature.
8252 (move_insn1): Removed.
8253 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8254 extend_bb): New static functions to support extension of scheduler's
8256 (generate_recovery_code, process_insn_depend_be_in_spec,
8257 begin_speculative_block, add_to_speculative_block,
8258 init_before_recovery, create_recovery_block, create_check_block_twin,
8259 fix_recovery_deps): New static functions to support
8260 generation of recovery code.
8261 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8262 restore_bb_notes, move_block_after_check, move_succs): New static
8263 functions to support ebb scheduling.
8264 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8265 functions to support handling of register live information.
8266 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8267 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8268 add_jump_dependencies): New static functions.
8269 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8270 consistancy checking.
8271 (debug_spec_status): New function to call from debugger.
8272 (priority): Added code to handle speculation checks.
8273 (rank_for_schedule): Added code to distinguish speculative instructions.
8274 (schedule_insn): Added code to handle speculation checks.
8275 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8276 Fixed to handle ebbs.
8277 (move_insn): Added code to handle ebb scheduling.
8278 (max_issue): Added code to use ISSUE_POINTS of instructions.
8279 (choose_ready): Added code to choose between speculative and
8280 non-speculative instructions.
8281 (schedule_block): Added code to handle ebb scheduling and scheduling of
8282 speculative instructions.
8283 (sched_init): Initialize new variables.
8284 (sched_finish): Free new variables. Print statistics.
8285 (try_ready): Added code to handle speculative instructions.
8286 * lists.c (copy_DEPS_LIST_list): New function.
8287 * sched-deps.c (extend_dependency_caches): New function. Move logic
8288 from create_dependency_caches to here.
8289 (get_dep_weak, ds_merge): Make global.
8290 * genattr.c (main): Code to output prototype for
8291 dfa_clear_single_insn_cache.
8292 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8293 (output_dfa_clean_insn_cache_func): Code to output
8294 dfa_clear_single_insn_cache function.
8295 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8297 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8299 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8300 New static variables.
8301 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8302 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8304 (ebb_sched_info): Initialize new fields.
8305 (get_block_head_tail): Adjust all uses.
8306 (compute_jump_reg_dependencies): Fixed to use glat_start.
8307 (schedule_ebb): Code to remove unreachable last block.
8308 (schedule_ebbs): Added code to update register live information.
8309 * sched-rgn.c (region_sched_info): Initialize new fields.
8310 (get_block_head_tail): Adjust all uses.
8311 (last_was_jump): Removed. Adjust users.
8312 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8313 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8314 Implement new hooks.
8315 (check_dead_notes1): New static function.
8316 (struct region): New fields: dont_calc_deps, has_real_ebb.
8317 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8318 (BB_TO_BLOCK): Fixed to handle EBBs.
8319 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8320 (ebb_head): New static variable.
8321 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8322 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8324 (compute_dom_prob_ps): New assertion.
8325 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8326 global_live_at_start.
8327 (init_ready_list): New assertions.
8328 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8329 (new_ready): Add support for BEGIN_CONTROL speculation.
8330 (schedule_insns): Fixed code that updates register live information
8332 (schedule_region): Fixed to handle EBBs.
8333 (init_regions): Use extend_regions and check_dead_notes1.
8334 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8335 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8336 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8337 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8338 TARGET_SCHED_GEN_CHECK,
8339 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8340 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8341 * doc/invoke.texi (max-sched-insn-conflict-delay,
8342 sched-spec-prob-cutoff): Document.
8344 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8346 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8347 inter_tick, queue_index.
8348 (struct sched_info): Change signature of init_ready_list field.
8349 Adjust all initializations.
8350 (RESOLVED_DEPS): New access macro.
8351 (ready_add): Remove prototype.
8352 (try_ready): Add prototype.
8353 * sched-rgn.c (init_ready_list): Use try_ready.
8354 (schedule_region): Initialize
8355 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8356 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8357 (init_ready_list): Use try_ready.
8358 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8359 * lists.c (remove_list_elem): Remove `static'.
8360 (remove_free_INSN_LIST_elem): New function.
8361 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8362 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8363 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8365 (readyp): New variable.
8366 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8367 change_queue_index, resolve_dep): New static functions.
8368 (try_ready): New function. Adjust callers in sched-rgn.c and
8369 sched-ebb.c to use it instead of ready_add.
8370 (clock_var): Move at the begining of file.
8371 (rank_for_schedule): Fix typo.
8372 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8373 (ready_lastpos): Enforce assertion.
8374 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8376 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8377 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8378 (queue_to_ready): Use free_INSN_LIST_list.
8379 (early_queue_to_ready): Fix typo.
8380 (schedule_block): Init readyp. Move init_ready_list call after the
8381 initialization of clock_var. Fix error in rejecting insn by
8382 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8383 that previously corrected INSN_TICKs. Add code for handling
8385 (set_priorities): Fix typo.
8386 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8387 Clarify comment and code that keeps current_sched_info->next_tail
8390 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8392 * sched-rgn.c (extend_rgns): New static function.
8393 (find_rgns): Use it.
8394 (gather_region_statistics, print_region_statistics): New static
8396 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8397 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8399 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8400 Andrey Belevantsev <abel@ispras.ru>
8402 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8403 * lists.c (unused_deps_list): New variable.
8404 (free_list): Add assertions to verify the proper distinguishing
8405 between INSN_LISTs and DEPS_LISTs.
8406 (find_list_elem, remove_list_elem, remove_list_node): New static
8408 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8409 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8410 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8411 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8413 (free_INSN_LIST_node): Likewise.
8414 * modulo-sched.c (current_sched_info): Initialize flags field.
8415 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8416 * rtl.def (DEPS_LIST): Define.
8417 * rtl.h: Declare new functions from lists.c.
8418 * sched-deps.c (spec_dependency_cache): New static variable.
8419 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8420 (add_dependence): Change return type to void. Move the logic to ...
8421 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8422 (delete_all_dependences): Add comment about forward_dependency_cache.
8423 Handle spec_dependency_cache. Handle DEPS_LISTs.
8424 (fixup_sched_groups): Clarify the change of priority of output
8425 and anti dependencies.
8426 (sched_analyze_2): Adjust add_dependence calls to create data
8427 speculative dependence.
8428 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8429 Adjust all callers. Handle DEPS_LISTS.
8430 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8431 presence of speculation.
8432 (init_dependency_caches, free_dependency_caches):
8433 Handle spec_dependency_cache.
8434 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8435 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8436 New static functions.
8437 (add_or_update_back_dep, add_or_update_back_forw_dep,
8438 add_back_forw_dep, delete_back_forw_dep): New functions.
8439 * sched-int.h (ds_t, dw_t): New typedefs.
8440 (struct sched_info): Add new field flags.
8441 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8442 Prototype new sched-deps.c functions.
8443 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8444 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8445 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8446 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8447 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8448 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8450 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8452 * sched-rgn.c (current_sched_info): Initialize flags field.
8453 (schedule_insns): Initialize current_sched_info before the sched_init
8455 * sched-ebb.c (current_sched_info): Initialize flags field.
8456 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8457 Call add_or_update_back_dep instead of add_dependence.
8458 Create control speculative dependencies.
8459 (schedule_insns): Initialize current_sched_info before the sched_init
8462 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8464 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8466 (sh_fallback_frame_state): Likewise.
8468 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8470 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8471 Do switch on default_use_cxa_atexit.
8472 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8473 * config/darwin-crt3.o: New.
8474 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8475 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8476 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8478 * config/rs6000/t-darwin: Move crt2.o building to here.
8479 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8480 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8483 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8485 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8486 from '! xxx' to '!xxx' for coding-style conformance.
8487 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8488 (EXTRA_CONSTRAINT): Likewise.
8489 * config/vax/vax.md (four unnamed insns): Likewise.
8491 2006-03-15 Paul Brook <paul@codesourcery.com>
8493 * config/arm/arm.c (minipool_pad): New.
8494 (add_minipool_forward_ref): Include pool alignment padding in address
8496 (push_minipool_fix): Set minipool_pad.
8497 (minipool_pad): Ditto.
8499 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8501 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8502 instead of GET_CODE() == MEM and REG_P() instead of
8504 (print_operand_address): Likewise.
8505 (vax_address_cost): Likewise.
8506 (vax_rtx_costs): Likewise.
8507 (vax_notice_update_cc): Likewise.
8508 (vax_output_int_add): Likewise.
8509 (INDEX_REGISTER_P): Likewise.
8510 (BASE_REGISTER_P): Likewise.
8511 (nonindexed_address_p): Likewise.
8512 (vax_mode_dependent_address_p): Likewise.
8513 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8514 (PRINT_OPERAND): Likewise.
8515 * config/vax/vax.md (ashlsi3): Likewise.
8516 (ashlsi3): Likewise.
8517 (some more unnamed insns): Likewise.
8519 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8521 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8522 iterator-style macro.
8523 (mark_control_dependent_edges_necessary): Update the use of
8524 EXECUTE_IF_CONTROL_DEPENDENT.
8526 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8528 * config/sh/predicates.md (cache_address_operand): Special.
8529 (ua_address_operand): Likewise.
8531 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8533 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8535 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8537 2006-03-15 Andreas Schwab <schwab@suse.de>
8539 * gensupport.c (identify_predicable_attribute): Don't free p_false
8540 when it is still in use.
8542 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8544 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8545 the default setting here.
8547 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8549 * tree-pass.h (pass_cfg): Remove.
8550 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8551 * passes.c (pass_cfg): Don't run it.
8553 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8555 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8556 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8558 (stack_regs_mentioned): Update the uses of
8559 stack_regs_mentioned_data. Don't access the array beyond its
8561 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8562 Don't include gt-reg-stack.h.
8564 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8565 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8567 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8570 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8573 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8575 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8577 2006-03-14 Richard Guenther <rguenther@suse.de>
8579 PR tree-optimization/26672
8580 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8583 2006-03-14 Richard Guenther <rguenther@suse.de>
8585 PR tree-optimization/26667
8586 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8587 node for the callees. Always allow inlining if it will shrink
8590 2006-03-14 Richard Guenther <rguenther@suse.de>
8593 * builtins.c (get_pointer_alignment): Prefer alignment
8594 information from decls over that from types.
8596 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8599 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8601 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8603 * config/rs6000/rs6000.opt (mdlmzb): New option.
8604 (msched-prolog, msched-epilog): Use Var not Mask.
8605 * doc/invoke.texi (-mdlmzb): Document.
8606 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8608 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8609 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8611 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8613 PR rtl-optimization/25739
8614 * bt-load.c (augment_live_range): Free tos pointer.
8616 * gensupport.c (identify_predicable_attribute): Free
8618 * gcov.c (create_file_names): Free name pointer.
8620 2006-03-13 Roger Sayle <roger@eyesopen.com>
8623 * stmt.c (emit_case_nodes): Handle the case where the index is a
8624 CONST_INT, where the comparison mode is specified by the index type.
8626 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8628 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8631 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8633 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8634 (*branch_fp_inverted): Likewise.
8636 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8639 * omp-low.c (expand_omp_for_generic): Mark istart0
8640 and iend0 as addressable.
8642 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8644 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8646 2006-03-13 Jeff Law <law@redhat.com>
8648 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8649 virtual operands are interesting.
8650 (vrp_visit_stmt): Corresponding changes.
8652 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8654 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8656 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8657 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8658 * config/bfin/crti.S: Use it instead of __PIC__.
8659 * config/bfin/crtn.S: Likewise.
8661 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8662 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8664 Lose 'G' modifier for call operand.
8665 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8666 recognize 'G' modifier.
8668 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8671 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8672 * stmt.c (expand_case): Likewise.
8674 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8676 PR rtl-optimization/26254
8677 * loop-invariant.c (seq_insns_valid_p): New function.
8678 (move_invariant_reg): Only emit new code if it is valid.
8680 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8682 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8684 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8685 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8686 (commit_one_edge_insertion): Do not look for loop notes.
8688 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8690 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8691 flag_test_coverage out of loop.
8693 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8695 * final.c (shorten_branches): Remove outdated comment, and turn
8696 the if branch that guards it to continue.
8698 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8700 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8701 * cfgloop.h (struct loop): Remove unused fields.
8703 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8705 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8706 (-dL, -fdump-rtl-loop2): Update the dump file names
8708 * doc/invoke.texi: Update dump file names.
8710 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8712 * predict.c (estimate_probability): Remove.
8713 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8714 * basic-block.h (estimate_probability): Remove prototype.
8715 * passes.c (finish_optimization_passes): Dump branch prediction or
8716 profiling heuristics to the .profile tree dump.
8717 (init_optimization_passes): Unqueue pass_branch_prob.
8719 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8721 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8723 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8724 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8726 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8728 * function.h (frame_offset_overflow): Declare.
8729 * function.c (frame_offset_overflow): New function.
8730 (assign_stack_local_1): Call it to detect that the offset overflows.
8731 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8733 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8735 * config/sh/sh.c: Include alloc-pool.h.
8736 (label_ref_list_pool): New alloc pool.
8737 (label_ref_list_t): New type for lists of labels.
8738 (struct pool_node): Make wend a label_ref_list_t.
8739 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8741 (dump_table): Likewise.
8742 (sh_reorg): Set up the alloc pool before using add_constant and
8743 dump_table, and destroy it when finishing.
8745 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8747 * config/mips/mips.c: Remove redundant comment.
8749 2006-03-10 Jason Merrill <jason@redhat.com>
8752 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8753 the target was declared 'register'.
8755 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8757 * genpreds.c (write_insn_constraint_len): Change definition of
8758 insn_constraint_len to return size_t to match the declaration.
8760 2006-03-10 DJ Delorie <dj@redhat.com>
8762 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8764 (m32c_expand_insv): Fix test for an AND mask.
8766 2006-03-10 Richard Guenther <rguenther@suse.de>
8769 * builtins.c (get_pointer_alignment): Handle component
8770 references for field alignment.
8772 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8774 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8775 when building with libgloss.
8776 (sh*elf): Implement --without-fp option.
8777 (sh64-superh-linux*): Don't multilib.
8779 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8781 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8783 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8785 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8786 Set it when one of the replacement functions returned true.
8787 Return TODO_cleanup_cfg if cfgchanged is true.
8788 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8790 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8792 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8793 instead of gen_lowpart.
8795 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8797 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8799 (mips_output_order_conditional_branch): Declare.
8800 * config/mips/mips.h (MIPS_BRANCH): New macro.
8801 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8802 for the comparison. Use gen_condjump.
8803 (mips_output_conditional_branch): Rework interface to take the
8804 asm templates for a direct branch and the inverse of a direct branch.
8805 (mips_output_order_conditional_branch): New function.
8806 (mips_builtin_branch_and_move): New function.
8807 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8808 branch condition. Use gen_single_cc as the condition for
8809 __builtin_mips_upper_* or __builtin_mips_lower_*.
8810 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8811 Use VOIDmode for the branch condition.
8812 * config/mips/predicates.md (order_operator): New predicate.
8813 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8814 (branch_fp): Rename to...
8815 (*branch_fp): ...this. Remove mode from comparison operator.
8816 Use new mips_output_conditional_branch interface.
8817 (branch_fp_inverted): Rename to...
8818 (*branch_fp_inverted): ...this and update as for *branch_fp.
8819 (*branch_zero<mode>): Rename to...
8820 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8821 Use mips_output_order_conditional_branch. Only accept ordered
8823 (*branch_zero<mode>_inverted): Rename to...
8824 (*branch_order<mode>_inverted): ...this and update as for
8825 *branch_order<mode>.
8826 (*branch_equality<mode>): Accept zero as the second operand to
8827 the equality operator. Use the new mips_output_conditional_branch
8829 (*branch_equality<mode>_inverted): Likewise.
8830 (condjump): New expander.
8831 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8833 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8834 (bc1any2t, bc1any2f): Likewise.
8835 (single_cc): New expander.
8836 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8838 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8840 * doc/md.texi: Update documentation of MIPS constraints.
8841 * config/mips/constraints.md: New file.
8842 * config/mips/mips.md: Include it.
8843 * config/mips/mips.c (mips_char_to_class): Delete.
8844 (override_options): Don't initialize mips_char_to_class.
8845 * config/mips/mips.h (mips_char_to_class): Delete.
8846 (REG_CLASS_FROM_LETTER): Delete.
8847 (CONST_OK_FOR_LETTER_P): Delete.
8848 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8849 (EXTRA_CONSTRAINT_Y): Delete.
8850 (EXTRA_CONSTRAINT_STR): Delete.
8851 (CONSTRAINT_LEN): Delete.
8852 (EXTRA_MEMORY_CONSTRAINT): Delete.
8854 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8856 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8857 original fn's eh regions.
8859 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8861 * fold-const.c (build_range_check): Make sure to use a valid type to
8862 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8865 (range_predecessor): New static function.
8866 (range_successor): Likewise.
8867 (merge_ranges): Use them to compute predecessors and successors of
8870 2006-03-09 Roger Sayle <roger@eyesopen.com>
8873 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8874 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8876 2006-03-08 DJ Delorie <dj@redhat.com>
8878 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8879 (addpsi3): Expand to include memory operands. Remove
8880 reload-specific splits.
8881 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8882 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8883 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8884 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8885 (shift1_qi, shift1_hi, insv): New.
8886 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8887 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8888 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8890 * config/m32c/m32c-protos.h: Update as needed.
8891 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8892 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8893 Fail for unrecognized R* constraints.
8894 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8895 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8896 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8898 (m32c_init_libfuncs): New.
8899 (m32c_legitimate_address_p): Add debug wrapper.
8900 (m32c_rtx_costs): New.
8901 (m32c_address_cost): New.
8902 (conversions): Add 'B' prefix.
8903 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8904 operands, or word regnames for QI operands. 'B' prints bit
8906 (m32c_expand_setmemhi): New.
8907 (m32c_expand_movmemhi): New.
8908 (m32c_expand_movstr): New.
8909 (m32c_expand_cmpstr): New.
8910 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8911 (m32c_expand_neg_mulpsi3): Handle non-ints.
8912 (m32c_cmp_flg_0): New.
8913 (m32c_expand_movcc): New.
8914 (m32c_expand_insv): New.
8915 (m32c_scc_pattern): New.
8916 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8917 a0/a1 out of SIregs.
8918 (STORE_FLAG_VALUE): New.
8919 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8922 * config/m32c/mov.md: Make constraints more liberal.
8923 (zero_extendqihi2): Optimize r0/r1 case.
8924 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8925 * config/m32c/predicates.md (m32c_any_operand): New.
8926 (m32c_nonimmediate_operand): New.
8927 (m32c_hl_operand): New.
8928 (m32c_r3_operand): New.
8931 (memsym_operand): New.
8932 (memimmed_operand): New.
8933 (a_qi_operand): New.
8934 (m32c_eqne_operator): New.
8935 (m32c_1bit8_operand): New.
8936 (m32c_1bit16_operand): New.
8937 (m32c_1mask8_operand): New.
8938 (m32c_1mask16_operand): New.
8939 * config/m32c/blkmov.md: New file.
8940 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8942 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8944 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8945 unsigned to fix signed/unsigned comparison issue in
8946 DWARF2_FRAME_REG_OUT.
8947 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8948 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8950 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8951 of ptr into the ENABLE_CHECKING section.
8953 2006-03-08 Jeff Law <law@redhat.com>
8955 * tree-vrp.c (infer_value_range): Only count pointer uses
8956 and dereferences if -fdelete-null-pointer-checks is enabled.
8958 * tree-vrp.c (find_assert_locations): Infer value ranges for
8959 single use pointers, but do not create ASSERT_EXPRs for them.
8960 When a non-null range is inferred for a pointer, backwards
8961 propagate that range to other equivalent pointers through the
8964 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8967 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8968 language hook targets.
8969 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8970 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8971 if language hook targets were missing.
8973 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8975 * tree-ssa-opfinalize.h: Removed.
8976 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8978 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8979 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8980 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8981 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8982 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8983 finalize_ssa_v_must_def_ops): New.
8985 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8987 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8990 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8992 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8994 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8995 addresses with offsets; reorganize.
8997 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8998 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8999 (expand_builtin_init_dwarf_reg_sizes): Likewise.
9001 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
9004 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
9006 2006-03-08 Ben Elliston <bje@au.ibm.com>
9008 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
9010 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
9013 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
9016 2006-03-07 Richard Guenther <rguenther@suse.de>
9018 PR tree-optimization/26587
9019 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
9021 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9023 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
9025 2006-03-07 Richard Sandiford <richard@codesourcery.com>
9027 * hooks.c (hook_bool_mode_rtx_true): New function.
9028 * hooks.h (hook_bool_mode_rtx_true): Declare.
9029 * toplev.c (compile_file): Call output_shared_constant_pool.
9030 * varasm.c (shared_constant_pool): New variable.
9031 (assemble_start_function, assemble_end_function): Remove arguments
9032 from call to output_constant_pool.
9033 (create_constant_pool): New function, split out from...
9034 (init_varasm_status): ...here.
9035 (force_const_mem): Choose between the shared and per-function constant
9036 pools. Set current_function_uses_const_pool when reusing old entries
9037 as well as when creating new ones.
9038 (mark_constant): Ignore data argument.
9039 (mark_constants): Remove pool argument.
9040 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
9041 to decide whether the function uses a constant pool.
9042 (output_constant_pool_contents): New function, split out from...
9043 (output_constant_pool): ...here.
9044 (output_shared_constant_pool): New function.
9045 (init_varasm_once): Initialize shared_constant_pool.
9046 * output.h (output_constant_pool): Delete.
9047 (output_shared_constant_pool): Declare.
9048 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
9049 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
9051 2006-03-06 Nick Clifton <nickc@redhat.com>
9053 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
9054 flag_strength_reduce.
9056 2006-03-06 Ben Elliston <bje@au.ibm.com>
9058 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
9059 x86_64-*-linux* configurations.
9061 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
9062 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
9064 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9066 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
9068 * basic-block.h: Remove the extern for
9069 rediscover_loops_after_threading.
9071 * cfgloop.c (cancel_loop): Make it static.
9072 * cfgloop.h: Remove the prototype for cancel_loop.
9074 * flow.c (recompute_reg_usage): Make it static.
9075 * rtl.h: Remove the prototype for recompute_reg_usage.
9077 * function.c (use_return_register): Make it static.
9078 * function.h: Remove the prototype.
9080 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9082 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9084 * recog.h: Remove the prototype for
9085 validate_change_maybe_volatile.
9087 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9089 * rtlanal.c (replace_reg): Remove.
9090 * rtl.h: Remove the prototype for replace_reg.
9092 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9094 * regclass.c (reg_scan_update): Remove.
9095 (reg_scan_mark_refs): Remove the last argument.
9096 * rtl.h: Remove the prototype for reg_scan_update.
9098 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9100 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9101 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9102 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9103 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9104 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9105 loop-invariant.c, omp-low.c, opts.c, passes.c,
9106 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9107 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9108 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9109 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9110 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9111 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9113 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9115 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9116 * dwarf2out.h: Remove the prototype for
9117 dwarf2out_add_library_unit_info.
9119 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9121 * tree.c (add_var_to_bind_expr): Remove.
9122 * tree.h: Remove the prototype for add_var_to_bind_expr.
9124 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9126 * regclass.c (n_non_fixed_regs): Remove.
9127 (init_reg_sets_1, globalize_reg): Remove all uses of
9129 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9131 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9133 * rtlanal.c (insns_safe_to_move_p): Remove.
9134 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9136 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9138 * expmed.c (expand_mult_add): Remove.
9139 * expr.h: Remove the prototype for expand_mult_add.
9141 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9143 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9144 and REG_SAVED_VAL_EXP constants.
9145 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9146 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9147 Handle regs stored by value.
9148 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9149 (execute_cfa_program): Handle DW_CFA_val_offset,
9150 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9151 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9152 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9153 (uw_install_context_1): Handle target regs stored by value.
9155 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9157 * tree-sra.c (tree_sra): Return todoflags;
9158 (generate_one_element): Set TODO_update_smt_usage if needed.
9159 (pass_sra): Remove TODO_update_smt_usage.
9160 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9162 (tree_ssa_forward_propagate_single_use_vars): Return
9163 TODO_update_smt_usage if we need to update SMT usage.
9164 (pass_forwprop): Remove TODO_update_smt_usage.
9166 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9168 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9169 (correct_use_link): Remove reference to get_stmt_operands.
9170 (update_stmt_operands): Likewise.
9171 (get_modify_expr_operands): New function factored out of
9172 parse_ssa_operands and get_expr_operands.
9173 Try to create V_MUST_DEFs for LHS by default.
9174 (get_expr_operands) <case MODIFY_EXPR>: Call
9175 get_modify_expr_operands.
9176 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9177 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9178 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9179 get_modify_expr_operands.
9181 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9183 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9184 * tree-flow.h: Remove the prototype for
9185 referenced_var_lookup_if_exists.
9187 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9189 PR rtl-optimization/26345
9191 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9193 2006-03-03 Roger Sayle <roger@eyesopen.com>
9195 PR tree-optimization/26524
9196 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9197 fold_convert to create a constant of the appropriate type.
9199 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9201 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9202 SYMBOL_REF_IN_BLOCK_P.
9203 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9204 of SYMBOL_FLAG_IN_BLOCK.
9205 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9206 instead of SYMBOL_REF_IN_BLOCK_P.
9207 * explow.c (use_anchored_address): Likewise.
9208 * rtl.c (rtx_size): Likewise.
9209 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9210 instead of SYMBOL_FLAG_IN_BLOCK.
9211 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9212 SYMBOL_REF_IN_BLOCK_P.
9213 (assemble_variable): Likewise.
9214 (output_constant_def_contents): Likewise.
9215 (output_constant_pool): Likewise.
9216 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9217 instead of SYMBOL_FLAG_IN_BLOCK.
9218 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9219 SYMBOL_REF_IN_BLOCK_P.
9220 (SYMBOL_REF_BLOCK): Likewise.
9221 (SYMBOL_REF_OFFSET): Likewise.
9222 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9223 SYMBOL_REF_IN_BLOCK_P.
9224 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9225 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9226 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9227 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9229 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9231 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9233 2006-03-02 Roger Sayle <roger@eyesopen.com>
9235 * simplify-rtx.c (simplify_unary_operation): When simplifying
9236 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9237 that we perform the right shift in the appropriate mode, and
9238 then extend or truncate the result to requested mode.
9240 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9242 * gengtype.c (main): Handle double_int type.
9243 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9244 * double-int.c: New file.
9245 * double-int.h: New file.
9246 * system.h: Include doubleint.h.
9247 * Makefile.in (SYSTEM_H): Include double-int.h.
9248 (double-int.o): Add.
9250 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9253 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9256 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9258 * tree-vrp.c (remove_range_assertions): Do not update statements
9261 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9263 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9265 * gcse.c (rest_of_handle_gcse): Ditto.
9266 * except.c (gate_handle_eh): Ditto.
9267 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9268 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9270 2006-03-02 Eric Christopher <echristo@apple.com>
9272 * config/i386/i386.c (machopic_output_stub): Add indirection to
9275 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9279 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9281 Sun Niagara specific optimizations.
9282 * config.gcc: Recognize niagara as target.
9283 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9284 (TARGET_CPU_niagara): Define.
9285 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9286 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9287 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9288 (ASM_CPU_SPEC): Likewise.
9289 (PROCESSOR_NIAGARA): New enum entry.
9290 (REGISTER_MOVE_COST): Handle Niagara.
9291 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9292 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9293 (sparc_override_options): Recognize "niagara", set appropriate
9294 default MASK_* values for it, and align functions to 32-bytes
9295 by default just like ULTRASPARC/ULTRASPARC3.
9296 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9297 (sparc64_initialize_trampoline): Likewise.
9298 (sparc_use_sched_lookahead): Use zero for niagara.
9299 (sparc_issue_rate): Use one for niagara.
9300 * config/sparc/niagara.md: New file.
9301 * config/sparc/sparc.md: Include it.
9302 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9303 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9304 when default cpu is niagara.
9305 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9306 (ASM_CPU_SPEC): Likewise.
9307 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9308 when default cpu is niagara.
9309 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9310 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9311 just like v9/ultrasparc/ultrasparc3.
9312 * doc/invoke.texi: Add documentation for "niagara" and improve
9313 existing documentation for ultrasparc variants.
9315 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9317 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9319 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9321 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9322 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9323 and say that only one is needed.
9324 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9325 * target.h (have_switchable_bss_sections): New hook.
9326 * explow.c (use_anchored_address): Check that the symbol is in a block.
9327 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9328 (bss_noswitch_section): New variables.
9329 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9330 (get_noswitch_section): New function.
9331 (get_block_for_section): Allow SECT to be null.
9332 (unlikely_text_section_p): Use SECTION_STYLE.
9333 (bss_initializer_p): New function.
9334 (get_variable_section): Move earlier in file. Take a new argument,
9335 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9336 Return one of the new *_sections in such cases.
9337 (get_block_for_decl): New function, extracting some logic from
9338 use_blocks_for_decl_p.
9339 (change_symbol_section): Remove in favor of...
9340 (change_symbol_block): ...this new function.
9341 (use_blocks_for_decl_p): Remove checks now performed by
9343 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9344 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9345 (emit_local, emit_bss, emit_common): ...these new functions.
9346 Return true if the alignment was honored.
9347 (emit_tls_common): New function.
9348 (asm_emit_uninitialised): Delete.
9349 (assemble_variable_noswitch): New function, split out from...
9350 (assemble_variable): ...here. Don't make decisions about common
9351 variables here. Globalize all public decls that go into non-common
9352 sections. Check whether SYMBOL_REF_BLOCK is null.
9353 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9354 (output_constant_pool): Likewise.
9355 (init_varasm_once): Initialize the new section variables.
9356 (have_global_bss_p): New function.
9357 (categorize_decl_for_section): Use bss_initializer_p.
9358 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9359 (place_block_symbol): Assert that the symbol must be in a block.
9360 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9361 (TARGET_INITIALIZER): Include it.
9362 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9363 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9364 (SECTION_MACH_DEP): Bump by two.
9365 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9366 (unnamed_section): Mention SECTION_UNNAMED in comment.
9367 (named_section): Likewise SECTION_NAMED.
9368 (noswitch_section_callback): New type.
9369 (noswitch_section): New structure.
9370 (section): Add a noswitch_section alternative.
9371 (SECTION_STYLE): New macro.
9372 (tls_comm_section, comm_section, lcomm_section): Declare.
9373 (bss_noswitch_section, have_global_bss_p): Declare.
9374 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9375 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9377 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9378 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9381 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9383 * tree-vrp.c (execute_vrp): Return value.
9384 * regrename.c (rest_of_handle_regrename): Ditto.
9385 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9386 * tree-complex.c (tree_lower_complex): Ditto.
9387 (tree_lower_complex_O0): Ditto.
9388 * tracer.c (rest_of_handle_tracer): Ditto.
9389 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9390 * postreload.c (rest_of_handle_postreload): Ditto.
9391 * tree-tailcall.c (execute_tail_recursion): Ditto.
9392 (execute_tail_calls): Ditto.
9393 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9394 * tree.h (init_function_for_compilation): Ditto.
9395 * ipa-cp.c (ipcp_driver): Ditto.
9396 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9397 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9398 * final.c (compute_alignments): Ditto.
9399 (rest_of_handle_final): Ditto.
9400 (rest_of_handle_shorten_branches): Ditto.
9401 (rest_of_clean_state): Ditto.
9402 * omp-low.c (execute_expand_omp): Ditto.
9403 (execute_lower_omp): Ditto.
9404 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9405 * ipa-reference.c (static_execute): Ditto.
9406 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9407 * reorg.c (rest_of_handle_delay_slots): Ditto.
9408 (rest_of_handle_machine_reorg): Ditto.
9409 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9410 * flow.c (recompute_reg_usage): Ditto.
9411 (rest_of_handle_remove_death_notes): Ditto.
9412 (rest_of_handle_life): Ditto.
9413 (rest_of_handle_flow2): Ditto.
9414 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9415 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9416 (do_ssa_store_ccp): Ditto.
9417 (execute_fold_all_builtins): Ditto.
9418 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9419 * modulo-sched.c (rest_of_handle_sms): Ditto.
9420 * ipa-pure-const.c (static_execute): Ditto.
9421 * cse.c (rest_of_handle_cse): Ditto.
9422 (rest_of_handle_cse2): Ditto.
9423 * web.c (rest_of_handle_web): Ditto.
9424 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9425 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9426 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9427 * tree-nrv.c (tree_nrv): Ditto.
9428 (execute_return_slot_opt): Ditto.
9429 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9430 (create_structure_vars): Ditto.
9431 * loop-init.c (rtl_loop_init): Ditto.
9432 (rtl_loop_done): Ditto.
9433 (rtl_move_loop_invariants): Ditto.
9434 (rtl_unswitch): Ditto.
9435 (rtl_unroll_and_peel_loops): Ditto.
9436 (rtl_doloop): Ditto.
9437 * gimple-low.c (lower_function_body): Ditto.
9438 (mark_used_blocks): Ditto.
9439 * tree-ssa-sink.c (execute_sink_code): Ditto.
9440 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9441 (cgraph_early_inlining): Ditto.
9442 * global.c (rest_of_handle_global_alloc): Ditto.
9443 * jump.c (cleanup_barriers): Ditto.
9444 (purge_line_number_notes): Ditto.
9445 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9446 (rest_of_handle_if_after_reload): Ditto.
9447 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9448 (tree_ssa_loop_im): Ditto.
9449 (tree_ssa_loop_unswitch): Ditto.
9450 (tree_vectorize): Ditto.
9451 (tree_linear_transform): Ditto.
9452 (tree_ssa_loop_ivcanon): Ditto.
9453 (tree_ssa_empty_loop): Ditto.
9454 (tree_ssa_loop_bounds): Ditto.
9455 (tree_complete_unroll): Ditto.
9456 (tree_ssa_loop_prefetch): Ditto.
9457 (tree_ssa_loop_ivopts): Ditto.
9458 (tree_ssa_loop_done): Ditto.
9459 * predict.c (tree_estimate_probability): Ditto.
9460 * recog.c (split_all_insns_noflow): Ditto.
9461 (rest_of_handle_peephole2): Ditto.
9462 (rest_of_handle_split_all_insns): Ditto.
9463 * tree-eh.c (lower_eh_constructs): Ditto.
9464 * regmove.c (rest_of_handle_regmove): Ditto.
9465 (rest_of_handle_stack_adjustments): Ditto.
9466 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9467 * function.c (instantiate_virtual_regs): Ditto.
9468 (init_function_for_compilation): Ditto.
9469 (rest_of_handle_check_leaf_regs): Ditto.
9470 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9471 (rest_of_handle_gcse): Ditto.
9472 * ipa-type-escape.c (type_escape_execute): Ditto.
9473 * alias.c (rest_of_handle_cfg): Ditto.
9474 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9475 * profile.c (rest_of_handle_branch_prob): Ditto.
9476 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9477 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9478 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9479 * tree-dfa.c (find_referenced_vars): Ditto.
9480 * except.c (set_nothrow_function_flags): Ditto.
9481 (convert_to_eh_region_ranges): Ditto.
9482 (rest_of_handle_eh): Ditto.
9483 * emit-rtl.c (unshare_all_rtl): Ditto.
9484 (remove_unnecessary_notes): Ditto.
9485 * except.h (set_nothrow_function_flags): Ditto.
9486 (convert_to_eh_region_ranges): Ditto.
9487 * cfgexpand.c (tree_expand_cfg): Ditto.
9488 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9489 * tree-ssa-pre.c (do_pre): Ditto.
9490 (execute_fre): Ditto.
9491 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9492 (rest_of_handle_jump2): Ditto.
9493 * tree-sra.c (tree_sra): Ditto.
9494 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9495 (execute_mudflap_function_decls): Ditto.
9496 * tree-ssa-copy.c (do_copy_prop): Ditto.
9497 (do_store_copy_prop): Ditto.
9498 * ipa-prop.h (ipcp_driver): Ditto.
9499 * cfglayout.c (insn_locators_initialize): Ditto.
9500 * tree-ssa-forwprop.c
9501 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9502 * cfglayout.h (insn_locators_initialize): Ditto.
9503 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9504 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9505 (execute_late_warn_uninitialized): Ditto.
9506 * rtl.h (cleanup_barriers): Ditto.
9507 (split_all_insns_noflow): Ditto.
9508 (purge_line_number_notes): Ditto.
9509 (unshare_all_rtl): Ditto.
9510 (remove_unnecessary_notes): Ditto.
9511 (recompute_reg_usage): Ditto.
9512 (variable_tracking_main): Ditto.
9513 * integrate.c (emit_initial_value_sets): Ditto.
9514 * integrate.h (emit_initial_value_sets): Ditto.
9515 * tree-optimize.c (execute_free_datastructures): Ditto
9516 (execute_free_cfg_annotations): Ditto.
9517 (execute_fixup_cfg): Ditto.
9518 (execute_cleanup_cfg_pre_ipa): Ditto.
9519 (execute_cleanup_cfg_post_optimizing): Ditto.
9520 (execute_init_datastructures): Ditto.
9521 * tree-object-size.c (compute_object_sizes): Ditto.
9522 * combine.c (rest_of_handle_combine): Ditto.
9523 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9524 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9525 (rest_of_handle_reorder_blocks): Ditto.
9526 (rest_of_handle_partition_blocks): Ditto.
9527 * var-tracking.c (variable_tracking_main): Ditto.
9528 * tree-profile.c (tree_profiling): Ditto.
9529 * tree-vect-generic.c (expand_vector_operations): Ditto.
9530 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9531 * sched-rgn.c (rest_of_handle_sched): Ditto.
9532 (rest_of_handle_sched2): Ditto.
9533 * basic-block.h (free_bb_insn): Ditto.
9534 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9535 * tree-cfg.c (execute_build_cfg): Ditto.
9536 (remove_useless_stmts): Ditto.
9537 (split_critical_edges): Ditto.
9538 (execute_warn_function_return): Ditto.
9539 (execute_warn_function_noreturn): Ditto.
9540 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9541 * cfgrtl.c (free_bb_for_insn): Ditto.
9542 * passes.c (execute_one_pass): Run additional
9543 todos returned by execute function.
9544 * tree-pass.h (struct tree_opt_pass): Make execute
9547 2006-03-02 Richard Guenther <rguenther@suse.de>
9549 * tree-ssa-alias.c (find_used_portions): Consider taking
9550 the address as making the variable not write-only.
9552 2006-03-02 Nick Clifton <nickc@redhat.com>
9554 * config.gcc (default_use_cxa_atexit): Extend the description of
9555 this configure variable. Set its default value to "yes" for
9556 Linux, NetBSD and ELF targets on the assumption that they will
9557 use C libraries with the __cxa_atexit function.
9559 2006-03-02 Ben Elliston <bje@au.ibm.com>
9561 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9562 parameter as unused to suppress a build warning.
9564 2006-03-02 Ben Elliston <bje@au.ibm.com>
9566 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9569 2006-03-01 Roger Sayle <roger@eyesopen.com>
9572 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9573 declared name, the weak reference name, and the typeof name.
9574 (__gthrw): Avoid expanding the declared name suffix.
9575 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9577 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9579 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9581 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9582 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9583 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9584 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9585 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9586 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9587 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9588 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9589 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9590 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9591 (DW_END_default, DW_END_big, DW_END_little): New.
9592 (DW_END_lo_user, DW_END_hi_user): Define.
9593 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9594 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9595 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9598 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9600 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9602 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9604 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9606 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9608 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9609 to 'symbol_mem_tag'.
9611 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9614 2006-03-01 Roger Sayle <roger@eyesopen.com>
9616 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9618 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9621 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9622 MACHO_DYNAMIC_NO_PIC_P.
9623 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9625 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9628 * config/darwin-protos.h (darwin_asm_output_anchor):
9630 * config/darwin-sections.def (cstring_section):
9631 Add SECTION_MERGE to the flags.
9632 (literal4_section): Likewise.
9633 (literal8_section): Likewise.
9634 (objc_selector_refs_section): Likewise.
9635 (objc_cls_refs_section): Likewise.
9636 * config/darwin.c (darwin_asm_output_anchor): New
9638 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9640 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9642 Fix PR tree-optimization/26443
9643 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9644 to todo and PROP_tmt_usage to properties_destroyed.
9645 * tree-ssa-ccp.c (pass_ccp): Ditto.
9646 (pass_store_ccp): Ditto.
9647 * tree-ssa-dom.c (pass_dominator): Ditto.
9649 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9651 * tree-ssa-operands.c: Cleanup whitespace.
9652 (get_asm_expr_operands): Move before first invocation.
9653 (get_indirect_ref_operands): Likewise.
9654 (get_tmr_operands): Likewise.
9655 (get_call_expr_operands): Likewise.
9656 (append_def): Likewise.
9657 (append_use): Likewise.
9658 (append_v_may_def): Likewise.
9659 (append_v_must_def): Likewise.
9660 (add_call_clobber_ops): Likewise.
9661 (add_call_read_ops): Likewise.
9662 (add_stmt_operand): Likewise.
9663 (add_virtual_operand): Likewise.
9664 (build_ssa_operands): Likewise.
9666 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9671 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9672 with a call expr to ...
9673 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9675 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9677 * tree-vrp.c (extract_range_from_assert): Remove special
9678 handling for types with super-types.
9680 2006-03-01 Ben Elliston <bje@au.ibm.com>
9682 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9683 and powerpc64-*-linux* configurations.
9684 * config/t-dfprules: New file.
9686 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9687 Compile dfp-bit.c from the source directory using -DWIDTH and
9688 $DFP_CFLAGS to control the compilation of that file, rather than
9689 generating width-specific versions in the build directory.
9690 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9691 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9693 2006-02-28 Zack Weinberg <zackw@panix.com>
9695 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9698 2006-02-28 Eric Christopher <echristo@apple.com>
9700 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9701 Set up IN_LIBGCC definition of TARGET_64BIT.
9702 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9704 2006-02-28 Roger Sayle <roger@eyesopen.com>
9707 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9708 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9709 cases via the construction of "expr != 0".
9711 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9713 * alias.c (alias_invariant, alias_invariant_size): Remove.
9714 (record_base_value): Remove.
9715 (memrefs_conflict_p): Don't look at alias_invariant.
9716 (end_alias_analysis): Don't free it.
9717 * alias.h (record_base_value): Remove prototype.
9719 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9720 Adam Nemet <anemet@caviumnetworks.com>
9722 * rtl.h (truncated_to_mode): Declare it.
9723 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9724 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9725 (RTL_HOOKS_INITIALIZER): Include it.
9726 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9727 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9728 reg_truncated_to_mode.
9729 * rtlanal.c (truncated_to_mode): Define it.
9730 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9732 2006-02-28 Jeff Law <law@redhat.com>
9734 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9735 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9736 the range allowed by TYPE_PRECISION.
9738 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9740 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9742 PR tree-optimization/26419
9743 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9746 2006-02-27 Zack Weinberg <zackw@panix.com>
9748 * doc/md.texi: Fix typo in previous change.
9750 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9754 2006-02-27 Zack Weinberg <zackw@panix.com>
9756 * rtl.def (define_constraint, define_register_constraint)
9757 (define_memory_constraint, define_address_constraint): New MD forms.
9758 * gensupport.c (process_rtx): Put define_constraint etc on the
9760 * genpreds.c (process_define_predicate): Adjust comment. Validate
9761 the name, and call validate_exp to validate the expression.
9762 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9763 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9764 all callers changed.
9765 (validate_exp, needs_variable, struct constraint_data)
9766 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9767 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9768 (const_dbl_constraints, constraint_max_namelen)
9769 (have_register_constraints, have_memory_constraints)
9770 (have_address_constraints, have_address_constraints)
9771 (have_extra_constraints, have_const_int_constraints)
9772 (have_const_dbl_constraints, mangle, add_constraint)
9773 (process_define_constraint, process_define_register_constraint)
9774 (write_enum_constraint_num, write_lookup_constraint)
9775 (write_insn_constraint_len, write_regclass_for_constraint)
9776 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9777 (write_insn_extra_memory_constraint)
9778 (write_insn_extra_address_constraint)
9779 (write_satisfies_constraint_fns): New.
9780 (write_tm_preds_h): If we have new-style constraint definitions,
9781 prototype the functions generated from them, and define the
9782 old constraint interface (still used by generic code) in terms of
9784 (write_insn_preds_c): If we have new-style constraint definitions,
9785 generate all relevant functions from those definitions.
9786 (main): Handle define_constraint etc.
9787 * genoutput.c (struct constraint_data, indep_constraints)
9788 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9789 (mdep_constraint_len): New data structures and functions, defined
9790 #ifdef USE_MD_CONSTRAINTS.
9791 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9792 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9793 use new logic to validate operand constraints against constraint
9795 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9797 * defaults.h: If none of the old-style constraint macros are
9798 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9799 old-style macros; and poison REG_CLASS_FROM_LETTER,
9800 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9802 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9803 * doc/md.texi: Document new constraint-definition mechanism and the
9804 C interface it provides. Remove references to old mechanism
9805 elsewhere in the document.
9806 (Machine Constraints): Use pathnames relative to gcc directory,
9807 i.e. config/ARCH/FILE. Change i386 section to refer to
9808 config/i386/predicates.md; update that section to match docstrings.
9809 * doc/tm.texi: Move all documentation of the old constraint-
9810 definition macros to their own section, clearly mark as obsolete.
9812 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9813 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9815 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9816 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9817 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9819 (splits and peepholes): Use satisfies_constraint_*.
9820 * config/i386/i386.c (memory_address_length)
9821 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9823 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9825 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9826 scalar operation to be put back into the loop.
9828 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9831 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9832 (extract_cie_info): Handle S flag in augmentation string.
9833 (execute_cfa_program): If context->signal_frame, execute also
9834 fs->pc == context->ra instructions.
9835 (uw_frame_state_for): If context->signal_frame, don't subtract one
9836 from context->ra to find FDE.
9837 (uw_update_context_1): Set context->signal_frame to
9839 (_Unwind_GetIPInfo): New function.
9840 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9841 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9843 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9844 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9845 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9846 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9847 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9848 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9849 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9850 x86_64_fallback_frame_state): Set fs->signal_frame.
9851 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9852 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9853 (frob_update_context): Likewise. Workaround missing S flag in
9854 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9855 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9856 Remove the psw_addr + 1 hack.
9858 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9860 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9861 with aggregates here.
9862 (find_func_aliases): Remove code for &<aggregate> from here.
9864 2006-02-26 Roger Sayle <roger@eyesopen.com>
9866 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9867 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9868 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9871 2006-02-26 Roger Sayle <roger@eyesopen.com>
9874 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9876 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9878 * opts.c (decode_options): Do not handle flag_strength_reduce.
9879 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9880 and OPT_fstrength_reduce.
9881 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9882 flag_prefetch_loop_arrays for being nonzero.
9883 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9885 (fprefetch-loop-arrays-rtl): Removed.
9886 (flag_prefetch_loop_arrays): Do not specify the value.
9888 * doc/passes.texi: Update documentation of loop optimizer
9890 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9891 -frerun-loop-opt): Remove.
9893 2006-02-26 Richard Guenther <rguenther@suse.de>
9895 PR tree-optimization/26421
9896 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9897 in function calls that are ADDR_EXPRs as using the whole structure.
9899 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9901 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9902 * tree-pass.h (pass_loop_optimize): Remove.
9903 * passes.c (pass_loop_optimize): Never run it.
9904 * toplev.c (backend_init): Don't call init_loop.
9905 * opts.c (flag_loop_optimize_set): Remove.
9906 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9907 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9908 the old RTL loop optimizer when profiling enabled.
9909 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9910 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9911 pre-headers for the sake of the old RTL loop optimizer.
9912 * Makefile.in: Remove all references to loop.o.
9914 * doc/invoke.texi: Remove all references to -floop-optimize
9915 and -frerun-loop-opt.
9917 2006-02-26 Zack Weinberg <zackw@panix.com>
9919 * doc/md.texi (Machine Constraints): Refer to all files with paths
9920 relative to gcc directory (i.e. config/CPU/file). Add missing
9921 @table @code ... @end table to M32C subsection.
9923 2006-02-26 Roger Sayle <roger@eyesopen.com>
9925 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9927 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9929 2006-02-26 Roger Sayle <roger@eyesopen.com>
9930 James A. Morrison <phython@gcc.gnu.org>
9933 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9934 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9935 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9936 signedness of the shift operation.
9938 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9940 PR tree-optimization/26359
9941 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9943 2006-02-25 Roger Sayle <roger@eyesopen.com>
9945 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9946 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9947 as X == 0, and some symmetry related transformations.
9948 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9950 2006-02-25 Roger Sayle <roger@eyesopen.com>
9953 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9954 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9955 symmetry related transformations. Fold (X^C1) == C2 as
9958 2006-02-25 Juergen Weigert <jw@suse.de>
9959 Richard Guenther <rguenther@suse.de>
9961 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9963 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9965 * combine.c (gen_lowpart_or_truncate): Call
9966 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9968 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9970 * doc/invoke.texi: Move -fopenmp description to "Options for
9972 Remove reference to -lgomp.
9974 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9976 * doc/install.texi: Require GNU tar version 1.14.
9978 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9980 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9981 * doc/invoke.texi (C++ Dialect Options): Document
9982 -fno-use-cxa-get-exception-ptr.
9983 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9984 * configure: Regenerate.
9985 * c.opt (fuse-cxa-get-exception-ptr): New.
9986 * c-opts.c (c_common_handle_option): Handle
9987 OPT_fuse_cxa_get_exception_ptr.
9988 * c-common.c (flag_use_cxa_atexit): Update documentation.
9989 (flag_use_cxa_get_exception_ptr): New.
9990 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9991 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9993 (C_COMMON_OVERRIDE_OPTIONS): New.
9995 2006-02-24 Roger Sayle <roger@eyesopen.com>
9998 * combine.c (try_combine): Explicitly check whether GET_CODE is
9999 a SET or a CLOBBER, instead on checking that it isn't a USE.
10001 2006-02-24 Roger Sayle <roger@eyesopen.com>
10003 * fold-const.c (fold_comparison): New subroutine of fold_binary
10004 containing transformations common to both the equality and
10005 ordering relational operators, factored out of fold_binary.
10006 (fold_binary): Separate out the equality operators (EQ_EXPR
10007 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
10008 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
10009 transformations common to both.
10010 (fold_div_compare): Fix latent bugs in the previously unreachable
10011 LT_EXPR and GE_EXPR cases.
10013 2006-02-24 David Edelsohn <edelsohn@gnu.org>
10015 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
10016 decl libname for clog to __clog on AIX.
10018 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
10020 2006-02-24 Alan Modra <amodra@bigpond.net.au>
10023 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
10024 output traceback table for thunks. Localise rs6000_stack_info call.
10026 2006-02-23 Roger Sayle <roger@eyesopen.com>
10027 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10029 * gthr-posix.h (__gthrw): Fix typo in comment.
10031 2006-02-23 Geoffrey Keating <geoffk@apple.com>
10033 * doc/cpp.texi (Character sets): Document that we do support
10034 input files to be in any character set.
10036 2006-02-23 Jeff Law <law@redhat.com>
10038 * tree.h (PHI_ARG_NONZERO): Remove.
10039 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
10040 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
10041 node to the new node.
10043 PR tree-optimization/26425
10044 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
10045 min/max, then assume its varying.
10047 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10049 PR rtl-optimization/26316
10050 * rtlanal.c (enum may_trap_p_flags): New.
10051 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
10052 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
10053 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
10054 (may_trap_after_code_motion_p): New function.
10055 * loop-invariant.c (find_identical_invariants): Fix dump formating.
10056 (find_invariant_insn): Use may_trap_after_code_motion_p.
10057 * rtl.h (may_trap_after_code_motion_p): Declare.
10059 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
10061 * emit-rtl.c (immed_double_const): Cleanup.
10063 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
10065 Fix PR tree-optimization/26376
10066 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10069 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10071 PR middle-end/26412
10072 * gimplify.c (omp_add_variable): Guard variable size decl test with
10073 DECL_SIZE (decl) check.
10075 2006-02-23 Richard Guenther <rguenther@suse.de>
10077 PR middle-end/26439
10078 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10079 like aggregate types.
10081 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10083 * configure.ac: Add --with{,out}-long-double-128 configure option.
10084 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10085 * configure: Rebuilt.
10086 * config.in: Rebuilt.
10087 * doc/install.texi (Options specification): Document
10088 --with-long-double-128.
10090 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10091 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10092 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10093 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10095 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10097 * config/s390/s390.c (override_options): Handle
10098 TARGET_DEFAULT_LONG_DOUBLE_128.
10100 * config/alpha/alpha.c (override_options): Handle
10101 TARGET_DEFAULT_LONG_DOUBLE_128.
10103 * config/sparc/sparc.c (sparc_override_options): Handle
10104 TARGET_DEFAULT_LONG_DOUBLE_128.
10106 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10108 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10109 (real-install-headers-tar, real-install-headers-cpio)
10110 (real-install-headers-cp): New targets.
10112 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10114 * tree.h (variable_section): Delete.
10115 * varasm.c (variable_section): Delete.
10117 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10119 * install.texi: Add notes on install.texi2html.
10120 (Building in parallel): Do not use footnotes.
10122 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10125 * doc/install.texi (Configuration): Document --disable-libgomp.
10127 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10129 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10131 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10133 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10134 (vec_extractv2df_0_sse): New.
10136 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10138 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10139 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10140 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10141 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10142 to the result of the expression.
10143 (def_cfa_1): Adjust.
10144 (frame_pointer_cfa_offset): Rename to...
10145 (frame_pointer_fb_offset): ... this. Adjust all uses.
10146 (convert_cfa_to_loc_list): Rename to...
10147 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10148 Pass it on to build_cfa_loc.
10149 (compute_frame_pointer_to_cfa_displacement): Rename to...
10150 (compute_frame_pointer_to_fb_displacement): ... this. New
10151 offset parameter. Use it in computation.
10152 (gen_subprogram_die): Compute cfa_fb_offset with the new
10153 macro, and use it to compute the fb loc list and the
10156 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10158 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10159 replaced with register_operand.
10160 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10161 non-DREG is expensive.
10162 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10163 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10166 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10168 * doc/install.texi2html: Use set -e.
10170 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10172 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10173 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10174 * doc/invoke.texi (-fshared-data): Delete.
10175 * common.opt (fshared-data): Delete.
10176 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10177 (assemble_static_space): Remove #if 0 code.
10178 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10179 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10180 * config/cris/cris.h: Remove FIXME.
10182 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10184 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10187 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10189 PR middle-end/26379
10190 * combine.c (simplify_shift_const_1): Disable nested shifts
10191 optimization for vector shifts.
10193 2006-02-20 Roger Sayle <roger@eyesopen.com>
10195 PR tree-optimization/26361
10196 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10197 of unsigned integer types.
10199 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10201 * tree-chrec.c (eq_evolutions_p): New.
10202 * tree-chrec.h (eq_evolutions_p): Declared.
10203 * tree-data-ref.c: Fix formatting.
10204 (datadep_stats, dependence_stats): New.
10206 (print_direction_vector): New.
10207 (dump_data_dependence_relation): Use print_direction_vector.
10208 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10209 (compute_subscript_distance): Static.
10210 (initialize_data_dependence_relation): Static. Get the number
10211 of loops surrounding the references from the callers, and initialize
10212 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10213 base_object_differ_p analyzers.
10214 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10215 compute_overlap_steps_for_affine_1_2,
10216 analyze_subscript_affine_affine): Count the classified dependences.
10217 Print a message when a test failed.
10218 (can_use_analyze_subscript_affine_affine): New.
10219 (analyze_siv_subscript): Compute the data dependences on symbolic
10220 scevs that verify can_use_analyze_subscript_affine_affine.
10221 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10222 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10223 Handle symbolic scevs.
10224 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10226 (subscript_dependence_tester): Moved...
10227 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10228 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10229 DDR_SIZE_VECT instead of getting it in parameter.
10230 (subscript_dependence_tester): ... here. Take as a parameter
10231 loop_nest_depth. Call build_classic_dist_vector and
10232 build_classic_dir_vector.
10233 (compute_affine_dependence): Update subscript_dependence_tester
10234 parameters. Update datadep_stats counters. Call
10235 compute_subscript_distance.
10236 (compute_self_dependence): Save the dist and dir vectors. Call
10237 compute_subscript_distance.
10238 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10239 (compute_all_dependences): Reorder parameters as they were before
10240 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10241 compute_subscript_distance. Update the use of
10242 compute_affine_dependence and initialize_data_dependence_relation.
10243 (find_data_references_in_loop): Handle COMPONENT_REF.
10244 (compute_data_dependences_for_loop): Initialize dependence_stats.
10245 Don't call build_classic_dist_vector and build_classic_dir_vector.
10246 Update the parameters of initialize_data_dependence_relation and
10247 compute_all_dependences. Print the statistics from datadep_stats.
10248 (analyze_all_data_dependences): Static. Not used until the pass for
10249 checking the data dependences is contributed.
10250 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10251 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10252 (initialize_data_dependence_relation, compute_affine_dependence,
10253 analyze_all_data_dependences, compute_subscript_distance): Removed.
10254 (print_direction_vector): New.
10255 * lambda.h (gcd): ... here.
10256 (lambda_vector_gcd): Moved here from gcd_vector.
10257 * lambda-code.c (gcd, gcd_vector): Removed.
10258 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10259 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10261 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10263 * ipa-type-escape.c: Tidy some comments and white space.
10264 * tree-ssa-operands.c: Likewise.
10266 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10269 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10270 (dump_decl_name): Do not walk the decl tree chains.
10271 * tree-pass.h (TDF_CHAIN): Remove.
10273 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10275 * Makefile.in (C): Remove
10277 (.PHONY): Remove C and PROTO
10279 2006-02-20 Roger Sayle <roger@eyesopen.com>
10281 PR middle-end/26236
10282 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10283 deprecated CHAR_TYPE tree code.
10285 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10287 * configure.ac (target_list): Add install-info, dvi, html.
10288 * configure: Regenerate.
10290 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10291 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10292 treelang/Make-lang.in: Do not use double-colon rules.
10294 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10296 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10297 (TMT_USED_ALONE): New macro.
10298 * tree-pass.h (PROP_tmt_usage): New property.
10299 (TODO_update_tmt_usage): New todo.
10300 * tree-ssa-alias.c (updating_used_alone): New variable.
10301 (recalculate_used_alone): New function.
10302 (compute_may_aliases): Set updating_used_alone, call
10303 recalculate_used_alone.
10304 * tree-sra.c (pass_sra): Note that this pass destroys
10305 PROP_tmt_usage, and add TODO_update_tmt_usage.
10306 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10307 * tree-flow.h (updating_used_alone): Prototype.
10308 (recalculate_used_alone): Ditto.
10309 * passes.c (execute_todo): Add code to set updating_used_alone,
10310 and call recalculate.
10311 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10312 for clobber if used alone, and add assert to verify used_alone
10315 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10317 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10318 for non tls symbols added.
10319 (legitimize_address): Do nothing for PLUS expressions if one of the
10320 addends is a tls symbol reference.
10322 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10326 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10328 * Makefile.in (BOOTSTRAPPING): New.
10329 (quickstrap): New definition if BOOTSTRAPPING=yes.
10331 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10332 * configure.ac: Substitute all_selected_languages with the languages
10333 that were configured. For all the other variables except
10334 lang_specs_files, include all the languages in the tree.
10335 * configure: Regenerate.
10337 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10338 if there is one. Run the commands to run fixincludes in the same
10341 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10342 * doc/install.texi: Document exact conventions for searching target tools.
10343 Document --with-build-time-tools. Document toplevel bootstrap. Document
10344 something more about building an Ada cross-compiler. Don't list GNU Make
10345 requirements which affect all platforms.
10347 2006-02-19 Roger Sayle <roger@eyesopen.com>
10349 PR middle-end/19543
10350 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10351 only equivalent if the have both the same mode and precision.
10353 2006-02-20 Ben Elliston <bje@au.ibm.com>
10355 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10357 2006-02-19 Roger Sayle <roger@eyesopen.com>
10358 Steven Bosscher <stevenb.gcc@gmail.com>
10360 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10361 constant pool references to identify stack mode constants.
10362 * rtlanal.c (constant_pool_constant_p): New predicate to check
10363 whether operand is a floating point constant in the pool.
10364 * rtl.h (constant_pool_constant_p): Prototype here.
10365 * loop.c (scan_loop): Avoid hoisting constants from the constant
10366 pool on STACK_REGS targets.
10367 (load_mems): Likewise.
10368 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10369 loads into x87 registers expensive in terms of register pressure.
10371 2006-02-19 Roger Sayle <roger@eyesopen.com>
10373 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10374 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10376 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10378 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10379 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10381 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10383 * doc/invoke.texi: Document -fipa-pta.
10384 * common.opt: Add ipa-pta option.
10385 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10386 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10387 (do_ds_constraint): Ditto.
10388 (get_constraint_for): Only add to referenced_vars if
10389 referenced_vars exists.
10390 (insert_into_field_list): Rewrite to do this unsorted.
10391 (insert_into_field_list_sorted): Rename old insert_into_field_list
10393 (create_function_info_for): Use insert_into_field_list_sorted.
10394 (create_variable_info_for): Rewrite so it uses unsorted version,
10395 since the field list is sorted.
10396 (intra_create_variable_infos): Only add to referenced_vars if
10397 referenced_vars exists.
10398 (ipa_pta_execute): Init heapvars, and delete when done.
10399 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10401 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10403 * doc/install.texi: Add missing `@samp'.
10405 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10407 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10410 2006-02-18 Mark Wielaard <mark@klomp.org>
10412 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10413 who added new 4.1 features, bug fixes and integration support.
10415 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10418 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10419 MEM for ABI_V4 pic.
10421 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10423 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10424 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10425 (copy_insn_1): Likewise. Don't copy each field individually.
10427 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10429 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10430 * rtl.c (rtx_size): Rename variable to...
10431 (rtx_code_size): ...this.
10432 (rtx_size): New function.
10433 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10434 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10436 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10437 * rtl.h (rtx_code_size): New variable.
10438 (rtx_size): Change from a variable to a function.
10439 (RTX_SIZE): Rename to...
10440 (RTX_CODE_SIZE): ...this.
10443 PR tree-optimization/17106
10444 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10445 (Anchored Addresses): New section.
10446 * doc/invoke.texi (-fsection-anchors): Document.
10447 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10448 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10449 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10450 * hooks.c (hook_bool_mode_rtx_false): New function.
10451 * hooks.h (hook_bool_mode_rtx_false): Declare.
10452 * gengtype.c (create_optional_field): New function.
10453 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10454 SYMBOL_REF_IN_BLOCK_P is true.
10455 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10456 (min_anchor_offset, max_anchor_offset): Likewise.
10457 (use_anchors_for_symbol_p): New hook.
10458 * toplev.c (compile_file): Call output_object_blocks.
10459 (target_supports_section_anchors_p): New function.
10460 (process_options): Check that -fsection-anchors is only used on
10461 targets that support it and when -funit-at-a-time is in effect.
10462 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10463 if the decl doesn't have one.
10464 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10465 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10466 of force_const_mem through use_anchored_address.
10467 (expand_expr_constant): New function.
10468 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10469 calling expand_expr for INDIRECT_REF.
10470 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10471 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10472 * expr.h (use_anchored_address): Declare.
10473 * loop-unroll.c: Don't declare rtx vectors here.
10474 * explow.c: Include output.h.
10475 (validize_mem): Call use_anchored_address.
10476 (use_anchored_address): New function.
10477 * common.opt (-fsection-anchors): New switch.
10478 * varasm.c (object_block_htab, anchor_labelno): New variables.
10479 (hash_section, object_block_entry_eq, object_block_entry_hash)
10480 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10481 (use_blocks_for_decl_p, change_symbol_section): New functions.
10482 (get_variable_section): New function, split out from assemble_variable.
10483 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10484 use_blocks_for_decl_p say so. Use change_symbol_section if the
10485 symbol has already been created.
10486 (assemble_variable_contents): New function, split out from...
10487 (assemble_variable): ...here. Don't output any code for
10488 block symbols; just pass them to place_block_symbol.
10489 Use get_variable_section and assemble_variable_contents.
10490 (get_constant_alignment, get_constant_section, get_constant_size): New
10491 functions, split from output_constant_def_contents.
10492 (build_constant_desc): Create a block symbol if use_object_blocks_p
10493 says so. Or into SYMBOL_REF_FLAGS.
10494 (assemble_constant_contents): New function, split from...
10495 (output_constant_def_contents): ...here. Don't output any code
10496 for block symbols; just pass them to place_section_symbol.
10497 Use get_constant_section and get_constant_alignment.
10498 (force_const_mem): Create a block symbol if use_object_blocks_p and
10499 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10500 (output_constant_pool_1): Add an explicit alignment argument.
10501 Don't switch sections here.
10502 (output_constant_pool): Adjust call to output_constant_pool_1.
10503 Switch sections here instead. Don't output anything for block symbols;
10504 just pass them to place_block_symbol.
10505 (init_varasm_once): Initialize object_block_htab.
10506 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10507 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10508 (place_block_symbol, get_section_anchor, output_object_block)
10509 (output_object_block_htab, output_object_blocks): New functions.
10510 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10511 (TARGET_ASM_OUT): Include it.
10512 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10513 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10514 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10515 (TARGET_INITIALIZER): Include them.
10516 * rtl.c (rtl_check_failed_block_symbol): New function.
10517 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10518 (block_symbol, object_block): New structures.
10519 (rtx_def): Add a block_symbol field to the union.
10520 (BLOCK_SYMBOL_CHECK): New macro.
10521 (rtl_check_failed_block_symbol): Declare.
10522 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10523 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10524 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10525 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10526 * output.h (output_section_symbols): Declare.
10527 (object_block): Name structure.
10528 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10529 (default_use_anchors_for_symbol_p): Declare.
10530 * Makefile.in (RTL_BASE_H): Add vec.h.
10531 (explow.o): Depend on output.h.
10532 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10533 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10534 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10535 (rs6000_use_blocks_for_constant_p): New function.
10537 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10539 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10541 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10544 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10547 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10549 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10553 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10555 PR middle-end/26334
10556 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10557 instead of DECL_REGISTER.
10559 2006-02-18 Olivier Hainque <hainque@adacore.com>
10562 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10564 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10567 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10568 * opth-gen.awk: Handle Var and InverseMask together.
10569 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10570 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10571 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10572 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10574 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10575 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10576 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10577 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10578 LINUX_DYNAMIC_LINKER): Define.
10579 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10580 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10582 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10583 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10584 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10585 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10586 (TARGET_C99_FUNCTIONS): Don't define.
10587 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10588 GLIBC_DYNAMIC_LINKER.
10589 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10590 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10591 GLIBC_DYNAMIC_LINKER64): Define.
10592 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10593 LINUX_DYNAMIC_LINKER64.
10594 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10595 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10596 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10597 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10598 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10599 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10600 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10601 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10602 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10603 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10604 and LINUX_DYNAMIC_LINKER32.
10605 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10606 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10607 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10608 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10609 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10611 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10612 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10613 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10614 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10615 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10616 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10617 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10618 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10619 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10620 LINUX_DYNAMIC_LINKER): Define.
10621 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10622 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10623 GLIBC_DYNAMIC_LINKER64): Define.
10624 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10625 LINUX_DYNAMIC_LINKER64.
10626 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10627 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10628 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10629 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10630 LINUX_DYNAMIC_LINKER): Define.
10631 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10632 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10633 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10634 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10635 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10636 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10637 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10638 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10639 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10640 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10641 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10642 * doc/invoke.texi (-muclibc): Remove caveat about supported
10645 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10647 * doc/cpp.texi (__TIMESTAMP__): Document.
10649 2006-02-17 Roger Sayle <roger@eyesopen.com>
10651 PR middle-end/25600
10652 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10653 C is one less than the width of X (and related transformations).
10654 * simplify-rtx.c (simplify_unary_operation_1): Transform
10655 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10656 depending on STORE_FLAG_VALUE, were C is one less then the
10659 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10661 Fix PR tree-optimization/26341
10662 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10663 about NAME_MEMORY_TAG's.
10665 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10668 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10669 with hardware float support, and software float support. Add fcpy
10670 alternative to hardware patterns. Add alternatives to copy between
10671 general and floating-point registers to the 32-bit pattern.
10672 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10673 secondary reload to load a QI or HI mode constant into a floating
10675 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10676 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10678 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10681 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10683 (load_macho_picbase_di): Likewise.
10685 2006-02-16 Jeff Law <law@redhat.com>
10687 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10688 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10689 (ssa_name_nonzero_p): Likewise.
10690 (get_value_range): Return NULL if VRP is not running.
10691 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10692 VRP routines do not discover a range.
10693 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10694 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10695 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10696 (tree_expr_nonnegative_p): Similarly.
10697 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10698 (restore_nonzero_vars_to_original_value): Remove.
10699 (unsafe_associative_fp_binop): Remove.
10700 (tree_ssa_dominator_optimize): Remove initialization and
10701 finalization of nonzero_vars and nonzero_vars_stack.
10702 (dom_opt_initialize_block): No longer push marker on
10703 nonzero_vars_stack.
10704 (dom_opt_finalize_block): No longer call
10705 restore_nonzero_vars_to_original_value.
10706 (record_equivalences_from_phis): No longer look for
10707 nonzero PHI arguments.
10708 (cprop_into_successor_phis): No longer propagate nonzero
10709 property into PHI arguments. Lose unused argument. Caller
10711 (record_equivalences_from_stmt): No longer record nonzero
10712 values for SSA_NAMEs.
10713 (lookup_avail_expr): No longer use nonzero_vars.
10715 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10716 for sizetype when sizetype is unsigned.
10718 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10720 PR rtl-optimization/25603
10721 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10722 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10723 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10724 with new meaning of SETS.
10726 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10731 * config/linux.opt: New file.
10732 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10733 LINUX_DYNAMIC_LINKER): Define.
10734 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10735 * config.gcc (*-*-linux*): Define extra_options.
10736 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10737 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10738 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10739 GLIBC_DYNAMIC_LINKER.
10740 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10741 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10742 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10743 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10744 * doc/invoke.texi (GNU/Linux Options): New section.
10746 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10748 * config/sparc/sparc.md (setjmp): Rewrite.
10749 (setjmp_32): Delete.
10750 (setjmp_64): Likewise.
10752 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10754 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10757 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10759 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10762 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10764 PR rtl-optimization/26296
10765 * Makefile.in (loop-invariant.c): Add except.h dependency.
10766 * loop-invariant.c: Include except.h.
10767 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10769 2005-02-16 Paul Brook <paul@codesourcery.com>
10771 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10774 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10776 PR rtl-optimization/25636
10777 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10778 when deciding whether an insn is an initializing insn.
10780 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10782 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10783 (tree_code_size): Ditto.
10784 * tree.h (struct tree_memory_tag): Remove parent_var.
10785 (struct tree_struct_field_tag): New.
10788 (union tree_node): Add sft member.
10789 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10791 (create_sft): Add size and offset argument, set SFT_OFFSET and
10793 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10794 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10795 * tree-flow-inline.h (get_subvar_at): Update for
10796 SFT_OFFSET/SFT_SIZE.
10797 (var_can_have_subvars): Ditto.
10798 (overlap_subvar): Ditto.
10799 * print-tree.c (print_node): Print out interesting things for
10801 * tree-flow.h (struct subvar): Remove offset and size members.
10802 * tree-ssa-operands.c (get_expr_operands): Update for
10803 get_indirect_ref_operands changes.
10804 (get_indirect_ref_operands): Call add_virtual_operand instead of
10805 add_stmt_operand. Only recurse on base var if requested.
10806 (access_can_touch_variable): New function.
10807 (add_stmt_operand): Split virtual operand handling into ...
10808 (add_virtual_operand): Here. Add offset, size, and for_clobber
10809 arguments. Prune alias sets.
10810 (add_call_clobber_ops): Call add_virtual_operand.
10812 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10814 PR middle-end/26300
10815 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10817 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10818 than TREE_CODE as index into omp_clause_num_ops array.
10820 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10822 PR rtl-optimization/26184
10823 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10825 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10826 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10827 must_precede, must_follow and tobe_scheduled.
10830 * opts.c (common_handle_option): Free new_option pointer.
10831 * df-core.c (df_analyze): Free postorder pointer.
10833 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10835 * Makefile.in: Fix the examples about the use of stamps
10837 2006-02-15 Michael Matz <matz@suse.de>
10839 PR middle-end/22275
10841 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10842 influenced by maximum_field_alignment or DECL_PACKED.
10843 (update_alignment_for_field): Ditto.
10844 (place_field): Ditto.
10845 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10848 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10850 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10851 (debug_flow_info): Pass it.
10852 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10853 * bb-reorder.c (reorder_basic_blocks): Likewise.
10854 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10855 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10856 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10857 * gcse.c (gcse_main, bypass_jumps): Likewise.
10858 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10859 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10860 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10861 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10862 * rtl.h (dump_flow_info): Adjust prototype.
10863 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10864 * var-tracking.c (variable_tracking_main): Likewise.
10865 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10866 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10869 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10871 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10874 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10876 PR tree-optimization/26209
10877 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10878 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10880 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10882 2006-02-14 Roger Sayle <roger@eyesopen.com>
10884 PR middle-end/23670
10885 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10886 (X,Y) and the corresponding symmetry related transformations.
10887 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10888 (X,Y) and its symmetry related transformations.
10890 2006-02-14 Roger Sayle <roger@eyesopen.com>
10892 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10895 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10897 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10899 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10902 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10903 support COMDAT group.
10904 * configure: Regenerate.
10906 2006-02-14 Roger Sayle <roger@eyesopen.com>
10908 PR middle-end/26279
10909 PR middle-end/26280
10910 PR middle-end/26283
10911 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10913 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10915 Fix PR tree-optimization/26260
10917 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10919 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10920 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10921 * tree-ssa-structalias.c (create_variable_info_for): Use
10922 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10924 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10926 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10928 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10929 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10930 of the ending condition.
10931 * tree-ssa-loop-manip.c: Include params.h.
10932 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10933 tree_unroll_loop): New functions.
10934 * tree-pass.h (pass_loop_prefetch): Declare.
10935 * loop.c (rest_of_handle_loop_optimize): Test for
10936 -fprefetch-loop-arrays-rtl.
10937 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10938 * timevar.def (TV_TREE_PREFETCH): New timevar.
10939 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10940 pass_loop_prefetch): New.
10941 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10942 (cleanup_tree_cfg_loop): Call scev_reset.
10943 * common.opt (fprefetch-loop-arrays-rtl): Add.
10944 * tree-ssa-loop-prefetch.c: New file.
10945 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10946 (new_temp_expr_table): Initialize expr_vars.
10947 (free_temp_expr_table): Cleanup expr_vars.
10948 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10949 expressions from being merged into one.
10950 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10951 (struct tree_niter_desc): Add control, bound and cmp fields.
10952 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10954 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10955 (tree-cfgcleanup.o): Add SCEV_H dependency.
10956 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10957 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10959 2006-02-14 Richard Guenther <rguenther@suse.de>
10961 PR tree-optimization/26258
10962 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10963 in PHI argument processing.
10965 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10967 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10968 new expression in the requested machine mode.
10970 2006-02-13 Roger Sayle <roger@eyesopen.com>
10972 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10973 directly, instead let do_compare_rtx_and_jump handle this for us.
10974 * expr.c (expand_expr_real_1): Likewise.
10975 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10976 before do_jump_by_parts_greater.
10977 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10978 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10980 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10982 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10984 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10986 PR rtl-optimization/26235
10987 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10988 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10991 2006-02-13 Jeff Law <law@redhat.com>
10993 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10996 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10998 PR middle-end/26092
10999 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
11000 twice if decl is a builtin. When trying again, call get_callee_fndecl
11001 first to verify it is still a builtin.
11003 2006-02-13 Geoffrey Keating <geoffk@apple.com>
11005 * dwarf2out.c (base_type_die): Don't add AT_name here.
11006 (subrange_type_die): Don't add AT_name here.
11007 (modified_type_die): Rearrange code flow. Do add AT_name here.
11009 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
11011 PR rtl-optimization/26247
11012 PR rtl-optimization/26248
11013 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
11015 2006-02-13 Richard Sandiford <richard@codesourcery.com>
11017 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
11018 * config/fixtfdi.c: Likewise.
11019 * config/fixunstfdi.c: Likewise.
11020 * config/floatditf.c: Likewise.
11022 2006-02-13 Roger Sayle <roger@eyesopen.com>
11024 PR middle-end/24427
11025 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
11026 into (X,C2) if C1 is a subset of the bits of C2. Transform
11027 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
11029 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
11031 2006-02-13 Josh Conner <jconner@apple.com>
11034 * varasm.c (function_section): Check for section name before
11035 calling select_section on targets that define
11036 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
11037 unlikely_text_section instead of hot_function_section if
11038 first_function_block_is_cold.
11040 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
11042 PR middle-end/25335
11043 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
11045 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11047 PR rtl-optimization/26222
11048 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
11049 after tree->rtl expansion.
11050 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
11051 before passing it to emit_move_insn.
11053 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
11055 * doc/invoke.texi (-Write-strings): Document that it is enabled by
11057 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
11058 Clarify documentation.
11059 * c-common.h (warn_write_strings): Remove.
11060 * c-common.c (warn_write_strings): Likewise.
11061 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
11064 2006-02-12 Roger Sayle <roger@eyesopen.com>
11066 PR middle-end/25724
11067 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
11068 (do_jump_parts_zero_rtx): New function renamed from
11069 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11070 (do_jump_parts_equality_rtx): New function split out from
11071 do_jump_parts_equality. Old implementation renamed as above.
11072 Call do_jump_parts_zero_rtx if either operand is zero.
11073 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11074 do all of the heavy lifting.
11075 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11076 calling either do_jump_by_parts_greater_rtx or
11077 do_jump_by_parts_equality_rtx.
11078 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11079 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11080 moved to do_compare_rtx_and_jump, call it directly.
11081 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11082 mode argument. Call do_compare_rtx_and_jump.
11083 (emit_case_nodes): Update calls to do_jump_if_equal.
11085 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11087 PR rtl-optimization/26225
11088 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11090 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11092 PR rtl-optimization/26232
11093 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11095 2006-02-11 Jason Merrill <jason@redhat.com>
11098 * tree-inline.c (declare_return_variable): Just don't use the
11099 modify target if it's a gimple complex reg and the return slot
11102 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11104 * doc/contrib.texi: Update my entry.
11106 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11108 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11110 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11112 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11115 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11117 * doc/invoke.texi (-floop-optimize2): Removed.
11118 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11119 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11120 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11121 * common.opt (floop-optimize2): Removed.
11122 (fmove-loop-invariants): Enabled by default.
11124 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11126 * tree-if-conv.c (combine_blocks): Free the result of
11127 get_loop_exit_edges.
11129 2006-02-10 Jeff Law <law@redhat.com>
11131 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11133 PR tree-optimization/26213
11134 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11135 loop trying to follow SSA_NAME_VALUE chains.
11137 2006-02-10 Richard Guenther <rguenther@suse.de>
11139 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11140 deal with structures that end in implicitly variable sized arrays.
11142 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11144 PR rtl-optimization/24762
11145 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11148 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11150 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11151 (struct ivopts_data): Add regs_used field.
11152 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11153 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11154 instead of loop_data->regs_used;
11155 (free_loop_data): Do not free aux fields for loops.
11156 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11157 and tree_ssa_iv_optimize_finalize.
11159 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11161 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11163 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11166 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11167 computing the effective result type.
11169 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11171 PR inline-asm/16194
11172 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11173 (tree_overlaps_hard_reg_set): Declare.
11174 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11175 type and signature to match function type expected by walk_tree.
11176 (tree_overlaps_hard_reg_set): New function.
11177 (decl_conflicts_with_clobbers_p): Rename to:
11178 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11179 Use tree_overlaps_hard_reg_set. Changed caller.
11180 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11181 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11182 * cris.c (cris_md_asm_clobbers): Likewise.
11184 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11186 * reload1.c (emit_input_reload_insns): Delete code that tries to
11187 inherit using find_equiv_reg.
11189 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11191 * c-common.h (flag_const_strings): Don't declare.
11192 * c-common.c (flag_const_strings): Remove.
11193 * c.opt (fconst_strings): Remove.
11194 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11195 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11196 (c_common_init_options): Don't set flag_const_strings.
11197 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11199 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11201 * arm.md (tlobits_cbranch): New pattern.
11202 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11203 testing a single bit.
11205 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11208 * tree-ssa-pre.c (create_component_ref_by_pieces):
11209 Handle RETURN_DECL like VAR_DECL.
11211 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11213 PR middle-end/26134
11214 * fold-const.c (fold_indirect_ref_1): Fold
11215 "*(foo *)&complexfoo" to "__real__ complexfoo"
11216 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11218 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11220 * tree-flow-inline.h (var_can_have_subvars):
11221 Volatile variables should not have subvariables.
11223 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11226 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11227 multiplying unsigned values.
11230 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11232 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11234 2006-02-08 Jason Merrill <jason@redhat.com>
11237 * tree.def: Elaborate on difference from MODIFY_EXPR.
11238 * doc/c-tree.texi (INIT_EXPR): Likewise.
11239 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11240 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11241 (gimplify_target_expr): Likewise.
11242 (gimplify_cond_expr): Remove target handling.
11243 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11244 (gimplify_expr): Clobber it here.
11245 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11246 Do return slot optimization if we have an INIT_EXPR.
11249 * tree-inline.c (declare_return_variable): Also clear
11250 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11253 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11255 PR middle-end/22439
11256 * gimplify.c (gimplify_one_sizepos): Fix typo.
11258 2006-02-08 Jeff Law <law@redhat.com>
11260 PR tree-optimization/21417
11261 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11262 across a backedge if the control statement at the end of the
11263 block is data dependent on other statements in the same block.
11264 (record_temporary_equivalences_from_stmts): Remove over-conservative
11265 test for threading across backedges.
11267 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11268 control statement, handle all three special cases in the same
11269 manner as they all have the same desired solution. No longer
11270 special case edge flag updating when the post dominator is
11273 2006-02-08 Roger Sayle <roger@eyesopen.com>
11275 * tree.def (CHAR_TYPE): Remove.
11276 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11277 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11278 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11279 (gen_string_type_die): Delete unreachable function.
11281 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11282 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11283 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11284 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11285 * builtins.c (type_to_class): Likewise.
11286 * fold-const.c (fold_convert, build_range_check,
11287 merge_ranges): Likewise.
11288 * expr.c (count_type_elements): Likewise.
11289 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11290 * stor-layout.c (layout_type): Likewise.
11291 * ipa-type-escape.c (type_to_consider): Likewise.
11292 * gimplify.c (omp_firstprivatize_type_sizes,
11293 gimplify_type_sizes): Likewise.
11294 * explow.c (promote_mode): Likewise.
11295 * tree-sra.c (is_sra_scalar_type): Likewise.
11296 * varasm.c (output_constant): Likewise.
11297 * tree-inline.c (remap_type_1): Likewise.
11298 * convert.c (convert_to_pointer, convert_to_real,
11299 convert_to_integer, convert_to_complex): Likewise.
11301 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11303 * df-scan.c (df_def_record_1): A set destination may
11304 be a parallel regardless of mode.
11306 2006-02-08 Roger Sayle <roger@eyesopen.com>
11309 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11310 * config/mips/_tilib.c: Remove.
11311 * config/fixtfdi.c: New libgcc source file.
11312 * config/fixunstfdi.c: New source file.
11313 * config/floatditf.c: New source file.
11314 * config/floatunditf.c: New souce file.
11315 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11316 files above instead of config/mips/_tilib.c.
11317 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11319 2006-02-08 Jeff Law <law@redhat.com>
11321 PR tree-optimization/26169
11322 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11325 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11327 * df.h (DF_REG_SIZE): Return the length of the initialized
11330 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11332 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11333 __muldf3): Return a correctly signed zero.
11335 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11337 * passes.c (register_one_dump_file): Accept the current properties
11338 instead of pass number. Adjust call to dump_register. Remove
11340 (register_dump_files): Now a wrapper around...
11341 (register_dump_files_1): ... this one. Do not modify the pass
11343 (next_pass_1): Cosmetic fix.
11344 (execute_todo): Keep second parameter only. Use curr_properties
11345 instead of fetching it from the pass structure. Check and set
11347 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11348 instead of fetching it from the pass structure. Fix calls to
11349 execute_todo. Update curr_properties and initialize .vcg RTL dump
11350 after running the pass. Reset last_verified.
11351 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11353 (FIRST_AUTO_NUMBERED_DUMP): New.
11354 (dump_register): Remove "num" parameter, assign it within the
11356 (get_dump_file_name): Modify template for dumps.
11357 * tree-dump.h (dump_register): Adjust prototype.
11358 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11359 (PROP_trees): Add PROP_gimple_lomp.
11360 (TODO_set_props): New.
11361 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11362 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11363 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11365 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11367 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11368 (sparc64-*-linux*): Likewise.
11369 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11370 * config/sparc/t-linux: New file.
11371 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11372 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11373 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11374 -m32 -mlong-double-128.
11376 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11377 * config/alpha/t-linux: New file.
11378 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11380 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11381 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11382 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11383 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11384 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11385 (CPP_ARCH32_SPEC): Remove.
11387 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11389 PR tree-optimization/26145
11390 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11393 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11396 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11397 >= 240000 when generating code for SOM runtime.
11398 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11399 to $$dyncall when generating code for SOM runtime..
11401 2006-02-07 Dirk Mueller <dmueller@suse.com>
11404 * doc/invoke.texi (-Wsequence-point): Update documentation
11405 that -Wsequence-point is implemented for C++ as well.
11407 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11409 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11410 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11411 (LIB_SPEC): Likewise.
11412 * doc/invoke.texi (SPARC options): Document -pthread.
11414 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11416 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11419 2006-02-07 Roger Sayle <roger@eyesopen.com>
11421 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11422 Correct comment describing BOOLEAN_TYPE.
11424 2006-02-07 Dirk Mueller <dmueller@suse.com>
11426 * c.opt: C++ frontend supports -Wdiv-by-zero.
11427 * c-opts.c (c_common_handle_option): Remove dead case.
11429 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11431 * configure.ac (TLS assembler check): Do not enable TLS by
11432 default on SPARC/Solaris before version 10.
11433 * configure: Regenerate.
11435 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11437 * doc/invoke.texi (xl-compat): Document conversion and support
11440 2006-02-07 Jeff Law <law@redhat.com>
11442 * tree-vrp.c (find_conditional_asserts): Update comments.
11443 (simplify_stmt_for_jump_threading): New.
11444 (identify_jump_threads, finalize_jump_threads): New.
11445 (vrp_finalize): Call identify_jump_threads.
11446 (execute_vrp): Call finalize_jump_threads.
11447 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11448 (vrp_element, vrp_data, vrp_element_p): Remove.
11449 (vrp_hash_elt, vrp_variables_stack): Remove.
11450 (vrp_hash, vrp_eq, record_range): Remove.
11451 (simplify_cond_and_lookup_avail_expr): Remove.
11452 (extract_range_from_cond): Remove.
11453 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11454 (simplify_stmt_for_jump_threading): New.
11455 (dom_thread_across_edge): New wrapper.
11456 (tree_ssa_dominator_optimize): No longer initialize or
11457 finalize any of the VRP datastructures. Remove iteration
11458 step and simplify as a result of removal of iteration step.
11459 (pass_dominator): Perform a cfg cleanup after DOM.
11460 (dom_opt_finalize_block): Use the new common routines
11461 for threading jumps. Simplify stack management slightly.
11462 No longer need to unwind VRP state.
11463 (record_equivalences_from_incoming_edge): No longer record
11465 (eliminate_redundant_computations): No longer call
11466 simplify_cond_and_lookup_avail_expr.
11467 * tree-flow.h (potentially_threadable_block): Prototype.
11468 (thread_across_edge): Likewise.
11469 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11470 (tree-ssa-threadedge.o): Add dependencies.
11471 * tree-ssa-threadedge.c: New file.
11472 * passes.c (init_optimization_passes): Merge PHIs before
11473 calling VRP. Run VRP again late in the SSA optimization pipeline.
11475 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11477 * df-core.c (df_set_blocks): Do not dereference function pointers.
11478 (df_finish1): Likewise.
11479 (df_hybrid_search_forward): Likewise.
11480 (df_hybrid_search_backward): Likewise.
11481 (df_iterative_dataflow): Likewise.
11482 (df_analyze_problem): Likewise.
11483 (df_compact_blocks): Likewise.
11484 (df_dump): Likewise.
11485 * df-scan.c (df_rescan_blocks): Likewise.
11486 (df_record_entry_block_defs): Likewise.
11488 * genconditions.c (write_conditions): Guard the definition of
11489 'insn_conditions' with the check on GCC version.
11490 (write_writer): Guard the traversal 'insn_conditions' with
11491 the check on GCC version.
11493 2006-02-07 Richard Guenther <rguenther@suse.de>
11497 2006-01-30 Richard Guenther <rguenther@suse.de>
11499 * gimplify.c (gimplify_target_expr): Handle easy cases
11500 without creating a temporary.
11502 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11504 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11505 use of float in probability computations. Use edge probabilities
11506 in place of statically computed probabilities.
11507 (min_spec_prob): New static variable.
11508 (schedule_insns): Initialize it.
11509 (GET_SRC_PROB): Removed.
11510 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11512 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11515 * config/ia64/unwind-ia64.c: Revert last change.
11516 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11517 (INCOMING_FRAME_SP_OFFSET): Define.
11519 2006-02-06 Roger Sayle <roger@eyesopen.com>
11521 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11523 2006-02-07 Ben Elliston <bje@au.ibm.com>
11525 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11526 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11527 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11528 (ix86_return_in_memory): Handle TDmode.
11529 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11530 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11532 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11534 * reorg.c (dbr_schedule): Use dump_file instead of file.
11536 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11539 * config/ia64/predicates.md (extr_len_operand): New predicate.
11540 * config/ia64/ia64.md (extv): Tighten constraints.
11542 (*tbit_and_2): Ditto.
11543 (*tbit_and_3): Ditto.
11544 (*tbit_or_2): Ditto.
11545 (*tbit_or_3): Ditto.
11546 (*bit_zero): Ditto.
11549 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11552 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11554 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11556 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11557 loop_optimizer_init and loop_optimizer_finalize
11558 * tree-ssa-sink.c (execute_sink_code): Ditto.
11559 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11560 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11561 tree_ssa_loop_done): Ditto.
11562 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11563 * sched-ebb.c: Include output.h.
11564 (schedule_ebbs): Do not use dump argument.
11565 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11566 * loop.c (loop_dump_stream): Removed.
11567 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11569 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11570 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11571 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11572 loop_iterations, strength_reduce, record_biv, record_giv,
11573 final_giv_value, check_final_value, check_ext_dependent_givs,
11574 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11575 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11576 dump_file instead of loop_dump_stream.
11577 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11578 argument dump_file.
11579 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11581 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11582 * haifa-sched.c: Include output.h
11583 (schedule_insns, sched_init): Do not use dump argument.
11584 * mode-switching.c (optimize_mode_switching): Ditto.
11585 * modulo-sched.c (stats_file): Removed.
11586 (print_node_sched_params): Do not call argument dump_file.
11587 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11588 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11590 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11592 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11593 rtl_loop_init, rtl_loop_done): Ditto.
11594 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11595 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11597 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11598 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11599 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11600 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11601 * emit-rtl.c (renumber_insns): Ditto.
11602 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11603 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11604 * regclass.c (regclass): Ditto.
11605 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11606 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11607 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11608 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11610 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11611 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11613 * gcse.c (gcse_file, debug_stderr): Removed.
11614 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11615 rest_of_handle_gcse): Do not use dump argument.
11616 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11617 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11618 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11619 compute_code_hoist_vbeinout, compute_code_hoist_data,
11620 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11621 compute_store_table, build_store_vectors, insert_insn_start_bb,
11622 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11623 store_motion): Use dump_file instead of gcse_file.
11624 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11625 * profile.c (profile_dump_file): Removed.
11626 (branch_prob): Use dump_file instead of profile_dump_file.
11627 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11629 * tree-ssa-copy.c (dump_copy_of): Ditto.
11630 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11631 dump file to life_analysis.
11632 * bt-load.c (branch_target_load_optimize): Ditto.
11633 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11635 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11636 regclass, dbr_schedule): Declaration changed.
11637 * sched-int.h (sched_init): Declaration changed.
11638 * tree-profile.c (tree_profile_dump_file): Removed.
11639 (tree_profile_hooks): Removed profile_dump_file hook.
11640 * rtl-profile (rtl_profile_dump_file): Removed.
11641 (rtl_profile_hooks): emoved profile_dump_file hook.
11642 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11644 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11645 * tree-cfg.c (build_tree_cfg): Ditto.
11646 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11647 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11648 Declaration changed.
11649 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11650 life_analysis and schedule_insns.
11651 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11653 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11655 * config/mips/mips.c (mips_reorg): Ditto.
11656 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11659 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11661 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11662 (s390_mangle_fundamental_type): New.
11663 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11666 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11667 (alpha_mangle_fundamental_type): New.
11668 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11671 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11673 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11675 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11676 (sparc_mangle_fundamental_type): New.
11678 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11680 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11681 (s390x-*-linux*): Likewise.
11682 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11683 * config/s390/t-linux: New file.
11685 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11687 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11688 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11690 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11692 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11693 (ANTIC_SAFE_LOADS): New macro.
11694 (find_or_generate_expression): Add prototype.
11695 (set_contains_value): Allow null set for sake of not always having
11696 to allocate ANTIC_SAFE_LOADS.
11697 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11698 Allow COMPONENT_REF too.
11699 (valid_in_set): Allow COMPONENT_REF.
11700 Check ANTIC_SAFE_LOADS too.
11701 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11702 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11704 (can_PRE_operation): Add COMPONENT_REF.
11705 (create_component_ref_by_pieces): New function.
11706 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11707 (insert_aux): Move AGGREGATE_TYPE_P check here.
11708 (compute_avail): Set bb local stmt uids.
11709 (pass_pre): Use TODO_update_ssa_only_virtuals.
11711 2006-02-06 Ben Elliston <bje@au.ibm.com>
11713 * configure.ac: Unconditionally disable decimal float by default.
11714 * configure: Regenerate.
11716 2006-02-06 Ben Elliston <bje@au.ibm.com>
11718 * read-rtl.c (read_name): Terminate reading on EOF.
11720 2006-02-06 Ben Elliston <bje@au.ibm.com>
11722 * dfp.c (decimal_real_arithmetic): Change second argument type
11723 from int to enum tree_code. Do not always return true, but now
11724 return result of any call to decimal_do helper functions.
11725 * dfp.h (decimal_real_arithmetic): Update prototype.
11727 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11729 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11731 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11734 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11737 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11739 * tree-vrp.c (cfg_loops): Removed.
11740 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11741 Use current_loops instead of cfg_loops. Pass flags to
11742 loop_optimizer_init.
11743 * cfgloopmanip.c (fix_loop_structure): Update only available
11745 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11746 loop_optimizer_init.
11747 * modulo-sched.c (build_loops_structure): Removed.
11748 (sms_schedule): Use loop_optimizer_init.
11749 * loop-init.c (loop_optimizer_init): Use flags to determine
11750 which properties of loops to prepare.
11751 (rtl_loop_init): Pass flags to loop_optimizer_init.
11752 * tree-ssa-sink.c (execute_sink_code): Ditto.
11753 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11754 * tree-ssa-pre.c (init_pre): Ditto.
11755 * cfgloop.h (LOOPS_NORMAL): New.
11756 (loop_optimizer_init): Declaration changed.
11758 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11760 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11761 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11763 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11765 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11767 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11768 * pa/t-pa64: Delete quadlib.c rule.
11769 * pa/x-ada: Revert last change.
11770 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11772 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11774 PR rtl-optimization/26087
11775 * rtlanal.c (canonicalize_condition): Do not cross basic block
11778 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11781 * config/ia64/ia64.c: Include debug.h.
11782 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11783 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11784 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11785 (process_epilogue, process_set, process_for_unwind_directive):
11786 Output unwind info only if requested. Add CFA info if requested.
11787 Add new arguments as needed. Adjust callers.
11788 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11790 (DWARF2_FRAME_INFO): Define to zero.
11791 * config/ia64/unwind-ia64.c: Remove code that compensated for
11792 the CFA offset error fixed above.
11793 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11794 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11795 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11796 -funwind-tables and -fexceptions to enable frame info.
11797 (dwarf2out_frame_init): Define initial CFA even if
11798 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11799 DWARF2_UNWIND_INFO is nonzero, not just defined.
11800 (dwarf2out_frame_finish): Output non-EH call frame info only
11801 if DWARF2_FRAME_INFO is nonzero.
11802 (convert_cfa_to_loc_list,
11803 compute_frame_pointer_to_cfa_displacement): Define even if
11804 unwind info is not supported.
11805 (gen_subprogram_die): Use the above unconditionally. Remove
11806 legacy alternate code.
11807 * toplev.c (compile_file): Compile in call to
11808 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11809 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11811 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11812 Jakub Jelinek <jakub@redhat.com>
11814 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11815 IBM extended float format long double as "g" on powerpc*-linux.
11817 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11820 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11821 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11823 2006-02-03 Jason Merrill <jason@redhat.com>
11826 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11828 PR middle-end/25977
11829 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11830 on the return slot if it's an NRV.
11832 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11834 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11835 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11836 rewrite_use): Do not handle USE_OUTER.
11837 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11838 add_iv_outer_candidates, may_replace_final_value,
11839 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11840 (find_interesting_uses_op): Functionality of
11841 find_interesting_uses_outer_or_nonlin moved here.
11842 (find_interesting_uses_outside): Use find_interesting_uses_op.
11844 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11847 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11849 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11850 Ulrich Weigand <uweigand@de.ibm.com>
11853 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11854 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11855 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11856 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11858 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11859 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11860 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11861 Define secondary reloads for TFmode moves.
11862 (constant_modes): Add TFmode.
11863 (NR_C_MODES): Set to 8.
11864 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11866 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11867 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11868 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11869 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11870 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11871 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11872 (FPR mode macro): Add TFmode.
11873 (DSF mode macro): New.
11874 (<de>, <dee> mode attributes): Removed.
11875 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11876 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11877 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11878 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11879 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11880 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11881 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11882 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11883 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11884 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11885 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11886 "*negabs<mode>2", "sqrt<mode>2"):
11887 Changed <de> to <xde>. R constraint replaced by <Rf>.
11888 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11890 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11891 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11892 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11894 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11895 "extenddftf2", "extendsftf2"): New expanders.
11896 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11897 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11898 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11899 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11901 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11902 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11903 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11904 __floatditf): Add a GCC_4.1.0 symbol version tag.
11905 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11908 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11911 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11912 Use targetm.binds_local_p instead of TREE_PUBLIC.
11914 2006-02-02 Roger Sayle <roger@eyesopen.com>
11916 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11917 on INTEGER_TYPEs to indicate that it denotes a character type.
11918 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11919 signed_char_type_node, unsigned_char_type_node and char_type_node.
11920 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11921 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11922 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11924 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11925 Daniel Berlin <dberlin@dberlin.org>
11927 * tree-tailcall.c (arg_needs_copy_p): New function.
11928 (eliminate_tail_call): Use arg_needs_copy_p.
11929 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11930 (add_virtual_phis): New function.
11932 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11934 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11935 #ignore instead of #scratch for %g7 .register directive.
11937 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11939 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11942 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11944 * flow.c (calculate_global_regs_live): Assert that there aren't any
11947 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11949 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11950 what its name says.
11951 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11952 bsi_after_labels iterator.
11953 * tree-if-conv.c (find_phi_replacement_condition,
11954 replace_phi_with_cond_modify_expr): Likewise.
11955 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11956 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11958 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11960 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11962 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11965 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11966 array after growing it.
11968 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11970 PR middle-end/24901
11971 * fold-const.c (fold_checksum_tree): Change type of buf.
11973 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11975 * reload.c (push_secondary_reload): Initialize t_icode.
11977 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11979 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11980 -msoft-float -mlong-double-128 only issue a warning, but don't
11981 swich to DFmode long double.
11983 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11985 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11986 has a constant equivalent, iterate over equivalents for arg0,
11987 calling simplify_relational_operation and if there's a result
11988 cheaper than X, apply fold_rtx and return the result.
11990 2006-02-01 Jan Hubicka <jh@suse.cz>
11992 * opts.c (no_unit_at_a_time_default): New global variable.
11993 (decode_options): Use it.
11994 * opts.h (no_unit_at_a_time_default): Declare.
11996 2006-02-01 Paul Brook <paul@codesourcery.com>
11998 * function.c (assign_parm_setup_reg): Use function argument promotion
12000 * expr.c (expand_expr_real_1): Use function argument promotion rules
12003 2006-02-01 Steve Ellcey <sje@cup.hp.com>
12005 * gcc.c (process_command): Change j to 'unsigned int'.
12007 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12009 PR middle-end/26001
12010 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
12011 Use the corrected index for the character
12012 out of the string constant.
12014 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12016 * mode-switching.c (optimize_mode_switching): Fix size
12017 allocated for bb_info[n_entities].
12019 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
12021 * gcc.c (main): Correct type that is allocated for
12022 explicit_link_files.
12024 2006-01-31 Jakub Jelinek <jakub@redhat.com>
12026 * config/s390/s390.c (init_alignment_context): Set
12027 ALIAS_SET_MEMORY_BARRIER on the MEM.
12028 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
12030 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
12032 PR middle-end/25933
12033 * loop-unroll.c (unroll_loop_runtime_iterations): Free
12035 * tree-ssa-live.c (type_var_init): Allocate bitmap after
12038 2006-01-31 Marcin Dalecki <martin@dalecki.de>
12040 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
12041 * regrename.c: Ditto.
12042 * tree-ssa-loop-im.c: Ditto.
12043 * tree-dump.c: Ditto.
12044 * tree-complex.c: Ditto.
12045 * genrecog.c: Ditto.
12046 * tree-ssa-threadupdate.c: Ditto.
12048 * java/class.c: Ditto.
12049 * java/jcf-parse.c: Ditto.
12050 * java/resource.c: Ditto.
12051 * java/except.c: Ditto.
12052 * java/jvspec.c: Ditto.
12053 * java/jcf-write.c: Ditto.
12054 * java/jcf-path.c: Ditto.
12055 * java/gjavah.c: Ditto.
12056 * java/zextract.c: Ditto.
12057 * java/jcf-io.c: Ditto.
12058 * java/jcf.h: Ditto.
12059 * java/buffer.c: Ditto.
12060 * java/lang.c: Ditto.
12061 * java/parse-scan.y: Ditto.
12062 * java/lex.c: Ditto.
12063 * java/lex.h: Ditto.
12064 * cfgloopmanip.c: Ditto.
12065 * postreload-gcse.c: Ditto.
12066 * tree-ssa-loop-manip.c: Ditto.
12067 * postreload.c: Ditto.
12068 * tree-ssa-loop-ch.c: Ditto.
12071 * cppspec.c: Ditto.
12072 * diagnostic.c: Ditto.
12074 * genoutput.c: Ditto.
12076 * cfghooks.c: Ditto.
12077 * cfgloopanal.c: Ditto.
12078 * objc/objc-act.c: Ditto.
12080 * genextract.c: Ditto.
12081 * genautomata.c: Ditto.
12082 * pretty-print.c: Ditto.
12083 * genemit.c: Ditto.
12084 * cgraphunit.c: Ditto.
12086 * df-scan.c: Ditto.
12087 * haifa-sched.c: Ditto.
12088 * dominance.c: Ditto.
12090 * tree-ssa-loop-ivopts.c: Ditto.
12091 * df-core.c: Ditto.
12092 * mode-switching.c: Ditto.
12093 * modulo-sched.c: Ditto.
12095 * ipa-pure-const.c: Ditto.
12097 * fix-header.c: Ditto.
12099 * tree-stdarg.c: Ditto.
12100 * ipa-utils.c: Ditto.
12101 * loop-init.c: Ditto.
12102 * ipa-inline.c: Ditto.
12103 * cfganal.c: Ditto.
12105 * alloc-pool.c: Ditto.
12106 * dwarf2out.c: Ditto.
12108 * genattrtab.c: Ditto.
12109 * tree-ssa-loop-ivcanon.c: Ditto.
12110 * predict.c: Ditto.
12111 * timevar.c: Ditto.
12113 * fortran/gfortranspec.c: Ditto.
12114 * regmove.c: Ditto.
12115 * local-alloc.c: Ditto.
12116 * langhooks.c: Ditto.
12117 * function.c: Ditto.
12118 * tree-vectorizer.c: Ditto.
12120 * ipa-type-escape.c: Ditto.
12122 * tree-if-conv.c: Ditto.
12123 * profile.c: Ditto.
12125 * tree-data-ref.c: Ditto.
12126 * loop-unroll.c: Ditto.
12127 * treelang/treetree.c: Ditto.
12129 * bt-load.c: Ditto.
12130 * ggc-common.c: Ditto.
12132 * coverage.c: Ditto.
12134 * tree-cfgcleanup.c: Ditto.
12135 * tree-ssa-pre.c: Ditto.
12136 * cfgcleanup.c: Ditto.
12137 * loop-invariant.c: Ditto.
12138 * loop-iv.c: Ditto.
12139 * ipa-prop.c: Ditto.
12140 * print-tree.c: Ditto.
12141 * conflict.c: Ditto.
12142 * ggc-page.c: Ditto.
12143 * sched-deps.c: Ditto.
12144 * regclass.c: Ditto.
12145 * tree-object-size.c: Ditto.
12146 * combine.c: Ditto.
12147 * bb-reorder.c: Ditto.
12148 * resource.c: Ditto.
12149 * var-tracking.c: Ditto.
12150 * cfgloop.c: Ditto.
12151 * df-problems.c: Ditto.
12152 * reg-stack.c: Ditto.
12154 * gccspec.c: Ditto.
12155 * sched-rgn.c: Ditto.
12156 * tree-ssa-structalias.c: Ditto.
12157 * tree-ssa-reassoc.c: Ditto.
12158 * config/darwin-c.c: Ditto.
12159 * config/darwin.c: Ditto.
12160 * config/arm/arm.c: Ditto.
12162 * collect2.c: Ditto.
12163 * reload1.c: Ditto.
12165 2006-01-31 Nicolas Pitre <nico@cam.org>
12167 * arm.md (smaxsi3): Make aware of smax_m1.
12170 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12172 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12174 2006-01-31 Richard Guenther <rguenther@suse.de>
12176 * doc/invoke.texi (-msselibm): Document.
12177 * target.h (expand_library_builtin): New target hook.
12178 * builtins.c (expand_builtin): Use expand_library_builtin.
12179 (default_expand_library_builtin): New function.
12180 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12181 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12182 (link_gcc_math_spec): Declare.
12183 (static_specs): Add link_gcc_math_spec.
12184 * expr.h (default_expand_library_builtin): Declare.
12185 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12186 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12187 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12188 * config/i386/i386.opt (msselibm): New target option.
12189 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12190 (ix86_init_sse_abi_builtins): New function.
12191 (ix86_expand_library_builtin): Likewise.
12192 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12193 (override_options): Handle error conditions wrt -msselibm.
12194 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12195 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12196 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12199 2006-01-31 Richard Guenther <rguenther@suse.de>
12200 Paolo Bonzini <bonzini@gnu.org>
12202 * doc/install.texi (--disable-libgcc-math): Document.
12204 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12206 * expr.h (expand_normal): new inline function.
12207 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12208 * dojump.c: use it.
12209 * dwarf2out.c: use it.
12212 * expmed.c: use it.
12213 * except.c: use it.
12214 * config/sparc/sparc.c: use it.
12215 * config/i386/i386.c: use it.
12216 * config/rs6000/rs6000.c: use it.
12217 * config/arm/arm.c: use it.
12218 * config/mips/mips.c: use it.
12219 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12221 2006-01-30 Roger Sayle <roger@eyesopen.com>
12223 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12224 argv to the appropriate type.
12226 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12228 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12231 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12234 * config/s390/s390.c (struct machine_function): New flag
12235 decomposed_literal_pool_addresses_ok_p.
12236 (s390_reorg): Set it before final stage of literal pool transforms.
12237 (s390_decompose_address): Only accept displacements of the form
12238 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12240 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12242 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12243 the comparison routine return.
12245 2006-01-30 Michael Matz <matz@suse.de>
12247 * global.c (find_reg): Only evict for global regs.
12248 Take n_refs into account and dump more info.
12250 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12253 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12254 (pragma_trap, pragma_nosave_low_regs): Likewise.
12255 (current_function_anonymous_args): Likewise.
12256 (sh_deferred_function_attributes): New variable.
12257 (sh_deferred_function_attributes_tail): Likewise.
12258 (print_operand): For '@', look up trap_exit attribute.
12259 (calc_live_regs): Look up trapa_handler attribute. For trapa
12260 handlers, save/restore fpscr, but don't do any other
12261 interrupt-specific saves.
12262 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12263 Fix check for partially saved registers to check for SHmedia.
12264 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12265 (sh_output_function_epilogue): Don't clear any of the removed
12267 (sh_insert_attributes): Don't check pragma_interrupt.
12268 Insert deferred attributes. Check that interrupt attribute is
12269 present for other attributes that require its presence.
12270 (sh_attribute_table): Add new attributes trapa_handler and
12272 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12273 Don't check for pragma_interrupt. Don't store argument.
12274 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12275 (sh_deferred_function_attributes): Declare.
12276 (sh_deferred_function_attributes_tail): Likewise.
12277 * sh.md (sp_switch_1): Add operand. Change generator caller.
12278 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12279 (*return_i): Don't use when trap_exit attribute is in effect.
12280 (*return_trapa): New insn pattern.
12281 * sh-c.c: New file.
12282 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12283 setting c_target_objs and cxx_target_objs.
12284 * t-sh: Add rule for sh-c.o.
12286 2006-01-30 Richard Guenther <rguenther@suse.de>
12289 * gimplify.c (gimplify_target_expr): Handle easy cases
12290 without creating a temporary.
12292 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12294 * vec.h (safe_grow): Remove duplicated line.
12296 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12299 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12300 (expand_omp): ... here.
12301 (expand_omp_parallel): Only remove barriers for combined
12302 parallel+workshare constructs.
12304 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12308 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12309 * tree.c (build_qualified_type): Chain the new type to the original
12310 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12311 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12312 (build_pointer_type_for_mode): Only return unqualified types.
12313 (build_reference_type_for_mode): Likewise.
12315 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12317 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12318 * Makefile.in (CXX_COMPAT_WARN): Define.
12319 * configure: Regenerate.
12321 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12324 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12327 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12329 * toplev.c: Fix thinko.
12331 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12332 Marcin Dalecki <martin@dalecki.de>
12334 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12335 (push_srcloc): Use XNEW.
12336 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12338 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12340 * df-core.c (df_set_blocks): Deleted all variable.
12342 2006-01-28 Ian Lance Taylor <ian@airs.com>
12344 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12345 cgraph_output_pending_asms.
12347 2006-01-28 Zack Weinberg <zackw@panix.com>
12349 * c.opt: Add -W(no-)overlength-strings.
12350 * doc/invoke.texi: Document it.
12351 * c-opts.c (c_common_handle_option): -pedantic implies
12352 -Woverlength-strings, if not explicitly disabled already.
12353 (c_common_post_options): -Woverlength-strings defaults to off, and
12354 is always off for C++.
12355 * c-common.c (fix_string_type): Issue warning about strings longer
12356 than is portable only if warn_overlength_strings. Rearrange code
12357 a little for clarity.
12358 * configure.in: Check for -Wno-overlength-strings as well before
12359 enabling -pedantic in stage 1.
12360 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12361 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12363 * genconditions.c (write_header, write_one_condition)
12364 (write_conditions, write_writer): Consolidate very long strings
12365 that were broken up to fit in C89 portable limit. Don't use
12366 printf when fputs will do.
12368 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12370 * combine.c (simplify_comparison <AND>): Check
12371 TRULY_NOOP_TRUNCATION before start using a subreg.
12373 * config/mips/mips.md (*branch_zero<mode>,
12374 *branch_zero<mode>_inverted, *branch_equality<mode>,
12375 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12376 Remove mode check from comparisons.
12378 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12380 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12382 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12384 * expmed.c (const_mult_add_overflow_p): Remove.
12385 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12387 * recog.c (validate_replace_rtx_subexp): Remove.
12388 * recog.h: Remove the prototype for
12389 validate_replace_rtx_subexp.
12391 * integrate.h: Remove the prototype for
12392 copy_decl_for_inlining.
12393 * rtl.h: Remove the prototype for mark_constant_function.
12394 * tree-vectorizer.h: Remove the prototype for
12395 vect_strip_conversion.
12397 * modulo-sched.c (create_partial_schedule,
12398 free_partial_schedule, reset_partial_schedule): Make them
12401 * hooks.c (hook_bool_rtx_int_false): Remove.
12402 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12404 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12406 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12407 and -mlong-double-128 are incompatible.
12408 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12409 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12410 (TARGET_LIBGCC2_CFLAGS): Define.
12411 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12412 (TARGET_LIBGCC2_CFLAGS): Same.
12413 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12415 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12418 * c-typeck.c (build_binary_op): Perform implicit casts of
12419 operands before shortening them.
12421 * cfgloopmanip.c (split_loop_bb): Remove.
12422 * cfgloop.h: Remove the prototype for split_loop_bb.
12424 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12425 * cfgloop.h: Remove the prototype for
12426 flow_loop_outside_edge_p.
12428 * emit-rtl.c (init_virtual_regs): Make it static.
12429 * function.h: Remove the prototype for init_virtual_regs.
12431 * recog.c (peephole2_optimize): Make it static.
12432 * recog.h: Remove the prototype for peephole2_optimize.
12434 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12436 * df-scan.c (df_record_entry_block_defs): Check if
12437 INCOMING_RETURN_ADDR_RTX is defined.
12439 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12440 Kenneth Zadeck <zadeck@naturalbridge.com>
12442 PR rtl-optimization/24762
12443 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12444 * targhooks.c (hook_void_bitmap): New hook prototype.
12445 * targhoohs.h (hook_void_bitmap): Ditto.
12446 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12447 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12448 * target.h (live_on_entry): New function pointer.
12449 * df-scan.c (df_all_hard_regs): Removed.
12450 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12451 (df_scan_free_internal): Added df->entry_block_defs.
12452 (df_scan_alloc): Ditto.
12453 (df_scan_dump): Ditto.
12454 (df_uses_record): Plumbed flag field properly thru calls.
12455 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12456 This part fixes PR24762.
12457 (df_bb_refs_record): Added code to make the frame and arg
12458 pointers live in EH blocks.
12459 (df_refs_record): Added call to df_record_entry_block_defs.
12460 (df_record_entry_block_defs): New function.
12461 * df-core.c: Added comments to describe new artifical defs.
12462 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12463 (entry_block_defs): New field in struct df.
12464 (df_all_hard_regs): Deleted.
12465 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12466 * df-problems.c (df_ru_bb_local_compute_process_def):
12467 Added code to handle artifical defs in the entry to a function.
12468 (df_ru_bb_local_compute): Ditto.
12469 (df_rd_bb_local_compute_process_def): Ditto.
12470 (df_rd_bb_local_compute): Ditto.
12471 (df_lr_bb_local_compute): Ditto.
12472 (df_ur_bb_local_compute): Ditto.
12473 (df_urec_bb_local_compute): Ditto.
12474 (df_chain_create_bb): Ditto.
12475 (df_ur_local_finalize): Removed entry.
12476 (df_urec_init): Ditto.
12477 (df_urec_local_finalize): Ditto.
12478 (df_ri_bb_compute): Added detection of last use of pseudos.
12479 * Makefile.in (df-scan.o): Updated dependencies.
12480 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12481 * config/mips/mips.c (mips_set_live_on_entry): Added.
12482 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12484 * dce.c (marked_insn_p): Added code to handle artifical defs.
12486 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12488 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12490 (_mm_cvtsi128_si64): Likewise.
12491 (_mm_cvtsd_si64): Likewise.
12492 (_mm_cvttsd_si64): Likewise.
12493 (_mm_cvtsi64_sd): Likewise.
12494 (_mm_cvtsi64_si128): Likewise.
12495 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12496 (_mm_cvtsi64_m64): Likewise.
12497 (_m_to_int64): Likewise.
12498 (_mm_cvtm64_si64): Likewise.
12499 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12500 (_mm_cvttss_si64): Likewise.
12501 (_mm_cvtsi64_ss): Likewise.
12502 (_mm_cvtss_f32): Likewise.
12504 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12506 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12507 for pragma redefine_extname.
12509 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12512 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12513 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12514 -mno-minimal-toc to previous content.
12515 (bispecs): Remove goal.
12516 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12517 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12518 compatibility aliases on powerpc-*-*gnu*.
12519 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12520 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12521 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12522 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12523 (ldblspecs): New goal.
12524 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12525 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12527 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12528 L_sf_to_tf or L_df_to_tf is defined.
12530 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12531 Alan Modra <amodra@bigpond.net.au>
12534 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12535 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12536 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12537 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12538 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12539 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12540 (rs6000_override_options): Initialize rs6000_ieeequad.
12541 Initialize TFmode format to ibm_extended_format if not
12543 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12545 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12546 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12547 (function_arg_advance): IBM long double passed in two FPRs, not
12549 (function_arg): IBM long double passed in FPRs.
12550 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12551 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12552 Only multireg GPR aligned.
12553 (rs6000_init_libfuncs): Enable IBM long double functions if not
12555 (rs6000_generate_compare): Use IBM long double compare if not
12557 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12558 (TARGET_IEEEQUAD): Define.
12559 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12560 not TARGET_IEEEQUAD.
12561 * config/rs6000/rs6000.md: Enable TFmode patterns if
12563 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12564 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12565 and -mlong-double-128 are incompatible.
12566 * doc/invoke.texi (-mabi): Collect options together. Add
12567 ibmlongdouble and ieeelongdouble.
12569 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12571 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12573 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12574 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12575 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12576 * rtl.h (rtunion_def): Remove rt_ptr.
12578 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12579 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12580 * config/i386/winnt.c (i386_pe_mark_dllexport)
12581 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12583 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12585 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12587 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12591 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12592 pthread_key_delete. From John David Anglin. gthrw-ify
12593 pthread_getunique_np only if it it's not a macro. Delete
12595 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12596 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12597 __gthread_objc_condition_signal, __gthread_key_delete): Add
12598 "__attribute__ ((__unused__))" to unused arguments.
12599 (__gthread_recursive_mutex_init_function): Add missing return.
12600 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12601 gthr-posix95.h: Use macro-based approach for name redirection
12602 on targets missing weakref.
12604 2006-01-26 Zack Weinberg <zackw@panix.com>
12606 * genconditions.c (write_header): In generated code, #ifdef out
12607 all includes and fake declarations, except includes of bconfig.h
12608 and system.h, unless GCC_VERSION >= 3001. Do not include
12609 gensupport.h in any case.
12610 (write_conditions): Generate a definition of struct c_test. Add
12611 a comment to the generated #endif.
12612 (write_one_condition): Escape backslashes in string too.
12613 (write_writer): Generated code must escape backslashes and quote
12614 marks (but not newlines) in the strings it writes.
12615 * Makefile.in (build/gencondmd.o): Update dependencies.
12617 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12620 * Makefile.in (insn-automata.o): Add header file dependencies.
12621 * genautomata.c: Add includes.
12623 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12626 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12628 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12630 * configure.ac: Expect target tools paths to be passed from the toplevel
12631 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12633 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12635 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12638 * c.opt (Wpointer-sign): Init to -1.
12639 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12640 OPT_pedantic, to 0 otherwise.
12641 * doc/invoke.texi: Update.
12643 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12645 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12646 constants provided by 80387 instructions in the destination mode.
12648 2006-01-26 Richard Guenther <rguenther@suse.de>
12649 Andrew Pinski <pinskia@physics.uc.edu>
12652 partial PR tree-opt/17064
12653 * tree-ssa-structalias.c (intra_create_variable_infos):
12654 Create heap variables for incoming parameters if
12655 flag_argument_noalias > 1.
12656 (find_what_p_points_to): Look through default defs of
12659 2006-01-26 Jeff Law <law@redhat.com>
12662 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12663 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12664 within the VR_RANGE, use the VR_RANGE as the result, not the
12666 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12667 bounds for the type.
12669 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12671 * tree-ssa-alias.c (maybe_create_global_var): Change
12672 subvar walking to an assertion that we don't have subvar'd variables.
12674 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12677 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12678 Use a new variable, inner. PARM_DECLs are always non-weak.
12680 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12682 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12683 --disable-checking.
12685 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12687 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12689 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12691 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12692 (smax_insn, smin_insn, smax_0, smin_0): New.
12694 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12697 * config/cris/cris.c (cris_order_for_addsi3): New function.
12698 * config/cris/cris-protos.h: Prototype it.
12699 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12700 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12701 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12702 (split for "op.S1 [rx=rx+i],ry (swapped)")
12703 (split for "op(s|u).S1 [rx=rx+i],ry")
12704 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12705 Apply cris_order_for_addsi3 when generating addsi3 insns.
12707 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12709 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12710 (TREE_BLOCK): Add call to EXPR_CHECK.
12712 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12715 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12716 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12717 (dump_omp_clauses): ... here.
12718 (dump_generic_node): Handle OMP_CLAUSE.
12719 * tree.c (omp_clause_num_ops): New.
12720 (omp_clause_code_name): New.
12721 (tree_code_size): Handle OMP_CLAUSE.
12722 (tree_size): Likewise.
12723 (make_node): Document handling of OMP_CLAUSE.
12724 (tree_node_structure): Handle OMP_CLAUSE.
12725 (omp_clause_check_failed): New.
12726 (omp_clause_range_check_failed): New.
12727 (omp_clause_operand_check_failed): New.
12728 (build_omp_clause): New.
12729 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12730 * tree.h (enum omp_clause_code): Declare.
12731 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12732 (OMP_CLAUSE_RANGE_CHECK): Define.
12733 (OMP_CLAUSE_ELT_CHECK): Define.
12734 (omp_clause_check_failed): Declare.
12735 (omp_clause_operand_check_failed): Declare.
12736 (omp_clause_range_check_failed): Declare.
12737 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12738 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12739 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12740 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12741 (OMP_CLAUSE_IF_EXPR): Likewise.
12742 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12743 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12744 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12745 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12746 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12747 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12748 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12749 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12750 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12751 (OMP_CLAUSE_CODE): Define.
12752 (OMP_CLAUSE_SET_CODE): Define.
12753 (OMP_CLAUSE_CODE): Define.
12754 (OMP_CLAUSE_OPERAND): Define.
12755 (struct tree_omp_clause): Declare.
12756 (union tree_node): Add field 'omp_clause'.
12757 * treestruct.def (TS_OMP_CLAUSE): Define.
12758 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12759 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12760 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12761 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12762 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12763 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12764 (OMP_CLAUSE): Define.
12765 * print-tree.c (print_node): Handle OMP_CLAUSE.
12766 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12767 * c-typeck.c: Likewise.
12768 * gimplify.c: Likewise.
12769 * c-omp.c: Likewise.
12770 * tree-nested.c: Likewise.
12771 * tree-inline.c: Likewise.
12772 * c-parser.c: Likewise.
12773 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12776 2006-01-25 Roger Sayle <roger@eyesopen.com>
12778 PR rtl-optimization/25703
12779 * combine.c (try_combine): Handle zero_extract and strict_low_part
12780 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12782 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12784 * global.c: Fix comment typos.
12786 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12789 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12790 Use output_addr_const instead of assemble_name.
12792 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12794 * Makefile.in (sched-vis.o): Update dependencies.
12795 * haifa-sched.c (sched_finish): Clear current_sched_info.
12796 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12797 (dump_flow_info): Call it.
12798 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12800 * basic-block.h (dump_bb_info): Declare.
12801 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12802 option, and apply options only for dump files whose TDF_RTL,
12803 TDF_TREE, or TDF_IPA bits match.
12804 * rtl.h: Declare new functions exported from sched-vis.c.
12805 * sched-vis.c: Enable also if scheduling is not used.
12806 (print_value): Print the mode of registers if not inside scheduling.
12807 (print_insn): Make it work outside the scheduler. Beautify the output
12809 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12811 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12813 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12814 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12815 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12816 depending on the value of CONSTANT_POOL_ADDRESS_P.
12817 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12819 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12820 rather than SYMBOL_REF_DECL.
12821 (rtx_constant_pool): Remove const_rtx_sym_htab.
12822 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12823 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12824 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12825 Remove handling of const_rtx_sym_htab.
12826 (find_pool_constant): Delete.
12827 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12828 rather than find_pool_constant.
12829 (get_pool_constant_for_function): Delete.
12830 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12831 find_pool_constant.
12832 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12833 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12834 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12835 (SYMBOL_REF_CONSTANT): New macro.
12836 (get_pool_constant_for_function): Delete.
12837 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12838 rather than SYMBOL_REF_DECL.
12839 (i386_pe_mark_dllimport): Likewise.
12840 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12841 rather than SYMBOL_REF_DECL.
12842 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12843 (machopic_indirect_call_target): Likewise.
12845 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12847 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12849 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12851 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12853 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12855 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12857 2006-01-24 David Daney <ddaney@avtrex.com>
12860 * configure.ac (enable_tls): New enable option.
12861 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12862 * configure: Regenerate.
12863 * doc/install.texi (--enable-tls): Document new option.
12864 (--disable-tls): Ditto.
12866 2006-01-24 Richard Henderson <rth@redehat.com>
12868 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12869 * alias.c (true_dependence): Respect it.
12870 (canon_true_dependence, write_dependence_p): Likewise.
12871 * builtins.c (get_builtin_sync_mem): Set it.
12873 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12875 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12878 2006-01-24 DJ Delorie <dj@redhat.com>
12880 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12881 for storing constants in single-bit bitfields.
12883 2006-01-25 Ben Elliston <bje@au.ibm.com>
12885 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12887 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12890 * tree-ssa-pre.c (phi_translate): Return NULL
12891 for AGGREGATE_TYPE's.
12893 2006-01-24 Zack Weinberg <zackw@panix.com>
12895 * genautomata.c (process_state_for_insn_equiv_partition):
12896 Use xcalloc for insn_arcs_array.
12897 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12898 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12900 2006-01-24 Richard Henderson <rth@redhat.com>
12902 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12903 update all callers.
12905 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12907 PR rtl-optimization/25890
12908 PR rtl-optimization/25905
12909 * combine.c (expand_compound_operation, expand_field_assignment):
12910 Fail if the bitfield's final position is out of bounds.
12912 2006-01-24 Ian Lance Taylor <ian@airs.com>
12914 PR middle-end/25930
12915 * cgraphunit.c (cgraph_output_in_order): Don't clear
12916 cgraph_asm_nodes until after asm strings have been output.
12918 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12920 * fix-header.c (read_scan_file): Add new parameter imultilib when
12921 calling register_include_chains.
12923 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12925 * omp-low.c: Update documentation.
12927 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12928 Daniel Berlin <dberlin@dberlin.org>
12932 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12933 return from the function.
12935 2006-01-22 Zack Weinberg <zackw@panix.com>
12937 * rtl.def (match_code): Add second argument.
12938 * genpreds.c (write_extract_subexp): New function.
12939 (write_match_code): Add path argument. Use write_extract_subexp.
12940 (write_predicate_expr): Pass path to write_match_code.
12941 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12942 not perform a mode test.
12943 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12944 a subexpression does not constrain the top-level code set.
12945 * read-rtl.c (read_rtx_variadic): New function.
12946 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12947 * doc/md.texi: Document new notation.
12948 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12949 (cmpsi_operand): ... here, using new notation.
12951 2006-01-22 Zack Weinberg <zackw@panix.com>
12953 * varray.c: Remove GENERATOR_FILE #ifdefs.
12955 2006-01-22 Zack Weinberg <zackw@panix.com>
12957 * genautomata.c (output_reserved_units_table): Emit nothing if
12958 description->query_units_num is zero. Remove extra blank line.
12959 (output_cpu_unit_reservation_p): Short circuit
12960 if description->query_units_num is zero.
12962 2006-01-22 Zack Weinberg <zackw@panix.com>
12964 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12965 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12966 nor any of the random handful of variables that used to be necessary
12967 when this program was linked with rtlanal.o. Prune set of forward
12968 function declarations.
12969 (struct attr_desc): Remove static_p field.
12970 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12971 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12972 (attr_string): Do not read the character one past the length of
12974 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12975 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12976 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12977 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12978 (make_automaton_attrs): New.
12979 (main): Do not call into genautomata. Call local gen_bypass
12980 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12981 Remove special case for insn_alts.
12982 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12983 varray.h (leftover from previous change). Prune set of forward
12984 function declarations. Remove state_alts fields from all
12985 structures. Remove state_alts_table from struct automaton.
12986 Make everything except main static. Do not maintain num_dfa_decls.
12987 Do not maintain state_alts fields of various structures.
12988 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12989 (add_arc): Remove state_alts argument. All callers updated.
12990 (output_reserved_units_table): Emit #ifdef here...
12991 (output_tables): ...not here. Don't generate state_alts tables.
12992 (expand_automata): Don't generate attributes.
12993 (write_automata): Don't generate state_alts functions.
12994 (main): New function.
12995 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12996 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12997 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12998 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12999 (BYPASS_P_FUNC_NAME, output_state_alts_table)
13000 (output_automata_list_state_alts_code, output_internal_state_alts_func)
13001 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
13002 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
13004 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
13005 * genattrtab.h: Delete file.
13006 * Makefile.in (OBJS-common): Add insn-automata.o.
13007 (insn-automata.o): New rule.
13008 (simple_generated_c): Add insn-automata.c.
13009 (build/genattrtab.o, build/genautomata.o): Update dependencies.
13010 (genprogmd): Add automata.
13011 (build/genattrtab): Needs no extra objects nor libraries.
13012 (build/genautomata): Needs build/vec.o and -lm.
13014 2006-01-22 Zack Weinberg <zackw@panix.com>
13016 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
13017 (output_dfa_max_issue_rate, locked_states_num): Delete.
13018 (struct automaton): Add locked_states field.
13019 (output_dead_lock_vect): Save number of locked states in
13020 automaton->locked_states. If it is zero, don't print anything.
13021 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
13022 (output_internal_dead_lock_func): Only test the dead_lock_vect
13023 for automata that have locked states.
13024 (output_statistics): Always print the number of locked states for
13025 each automaton. Calculate total number of locked states here.
13026 (write_automata): Don't call output_dfa_max_issue_rate.
13027 * genattrtab.c: Define length_unit_log as a const variable.
13028 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
13029 max_insn_queue_index const.
13030 * final.c (length_unit_log): Declare const.
13031 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
13033 2006-01-22 Zack Weinberg <zackw@panix.com>
13035 * genautomata.c: Include vec.h, not varray.h.
13036 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
13037 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
13038 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
13039 VEC_* macros operating on appropriately typed vectors, or to
13040 malloced arrays when the size is known in advance. Const-ify
13041 many char* variables and function arguments. No functional changes.
13042 * Makefile.in (build/varray.o): Delete rule.
13043 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
13044 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
13046 2006-01-22 Zack Weinberg <zackw@panix.com>
13048 * gensupport.c: Define get_insn_name and record_insn_name here.
13049 (read_md_rtx): Call record_insn_name as appropriate.
13050 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
13051 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
13052 * genpreds.c, genrecog.c: Don't define get_insn_name nor
13054 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
13055 (BUILD_VARRAY): Delete.
13056 (genprognormal): Rename genprogmd. Fold in all programs from
13057 genprognoprint; also attrtab.
13058 (build/genattrtab): Just mention genautomata.o and varray.o.
13059 Reorganize a bit, add comments to make the categories clearer.
13061 2006-01-22 Zack Weinberg <zackw@panix.com>
13063 * genconditions.c (condition_table, add_condition): Delete.
13064 (write_conditions): Don't emit n_insn_conditions nor
13065 insn_elision_unavailable. Issue the gcc version #ifdef here,
13066 inside the table, with no #else clause ...
13067 (write_header): ...not here.
13068 (write_writer): New function.
13069 (main): Don't initialize condition_table. Use add_c_test.
13071 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13072 files on the command line.
13073 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13074 Return -1 if there is no entry in the table, don't abort.
13075 (add_c_test, traverse_c_tests): New functions.
13076 * gensupport.h (insn_elision_unavailable, insn_conditions)
13077 (n_insn_conditions): Delete declarations.
13078 (add_c_test, traverse_c_tests): Declare.
13079 * read-rtl.c: Include gensupport.h.
13080 (read_conditions): New function.
13081 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13082 (read_rtx_1): If we get EOF when we were looking for an initial
13083 open paren, return 0. Call read_conditions when appropriate.
13084 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13085 dummy-conditions.o. Eliminate references to insn-conditions.o,
13086 or change them to build/gencondmd.o, as appropriate. Remove
13087 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13088 from $(simple_generated_c). For all files remaining in those
13089 two lists, add insn-conditions.md to the generator command line.
13090 Give insn-constants.h/s-constants their own rules. Add rules
13091 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13092 (build/read-rtl.o): Depend on gensupport.h.
13093 (genprognormal): Include preds.
13094 (genprogearly): Rename genprognoprint; only difference is now that
13095 they don't link with $(BUILD_PRINT).
13096 * dummy-conditions.c: Delete.
13098 2006-01-22 Zack Weinberg <zackw@panix.com>
13100 * genextract.c: Don't include insn-config.h. Do include vec.h.
13101 Declare vectors of int, char, and locstr.
13102 (locstr): New typedef.
13103 (struct extraction): Make all array fields into bare pointers.
13104 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13105 (insn_code_number): Delete.
13106 (accum_extract): New struct.
13107 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13108 (gen_insn): Take insn_code_number as an argument. Use an
13109 accum_extract structure instead of loading data directly into
13110 a struct extraction, and having to know how big it might get.
13111 (walk_rtx): Operate entirely on an accum_extract structure.
13112 (print_path): Avoid unnecessary use of printf.
13113 (print_header): New function, split out of main. Distinguish
13114 more carefully between an unrecognizable insn and an insn that
13115 has the code number of a define_expand.
13116 (main): Pass insn_code_number to gen_insn. Call print_header
13117 only after parsing. Avoid unnecessary use of printf.
13118 * Makefile.in (build/vec.o): New rule.
13119 (build/genextract): Depend on build/vec.o.
13120 (build/genextract.o): Don't depend on insn-config.h.
13122 2006-01-22 Zack Weinberg <zackw@panix.com>
13124 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13125 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13126 practical. Eliminate per-generator-program link rules.
13128 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13130 PR middle-end/24437
13131 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13132 with a call expr to ...
13133 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13135 2006-01-23 Richard Guenther <rguenther@suse.de>
13137 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13138 before make_edge with conditional EDGE_TRUE_VALUE.
13140 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13141 Jan Hubicka <jh@suse.cz>
13142 Richard Guenther <rguenther@suse.de>
13144 PR rtl-optimization/25654
13145 * cfgexpand.c (aggregate_contains_union_type): New function.
13146 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13147 for structure variables that contain a union type.
13149 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13151 * gengtype.c (new_structure): Return the structure.
13152 (create_option): Add an extra "next" argument.
13153 (create_field): New function.
13154 (adjust_field_rtx_def): Use create_option and create_field.
13155 Remove a now-unnecessary call to find_structure.
13156 (adjust_field_tree_def): Likewise.
13157 (note_yacc_type): Remove an unnecessary call to find_structure.
13158 * gengtype.h (new_structure): Return the structure.
13159 (create_option): Add an extra argument.
13160 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13161 (option): Adjust calls to create_option.
13163 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13165 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13167 2006-01-22 Paul Brook <paul@codesourcery.com>
13168 Peter Barada <peter@the-baradas.com>
13170 * config/m68k/m68k.md: Add Coldfire FPU support.
13171 Define FP mode macro and associated attributes.
13172 Use it for float mode patterns.
13173 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13174 (LIBCALL_VALUE): Use m68k_libcall_value.
13175 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13176 (m68k_function_value): Ditto.
13177 (emit_move_sequence): Ditto.
13178 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13179 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13180 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13181 (MULTILIB_EXCEPTIONS): Ditto.
13182 * config/m68k/m68k.opt: Add mcfv4e.
13183 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13184 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13185 (m68k_output_function_prologue): Save ColdFire FPU registers.
13186 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13187 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13188 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13189 ColdFire FPU registers.
13190 (m68k_libcall_value, m68k_function_value): New functions.
13191 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13192 (LIBCALL_VALUE): Use m68k_libcall_value.
13193 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13194 (MASK_COLDFIRE): Add MASK_CFV4E.
13195 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13196 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13197 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13198 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13199 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13200 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13201 * doc/invoke.tex: Document -mcfv4e on m68k.
13203 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13205 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13208 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13211 * c-opts.c (c_common_handle_option): Don't include
13212 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13213 * doc/invoke.texi (C++ Dialect Options): Document that
13214 -Wnon-virtual-dtor is no longer included in -Wall.
13216 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13218 * gcov.c (print_version), gcov-dump.c (print_version),
13219 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13222 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13224 * df-scan.c (problem_SCAN): Added NULL reset function.
13225 (df_scan_reset_blocks): Added code to call reset block function
13226 (df_bb_refs_delete) Fixed comment.
13227 (df_insn_refs_delete): Made tolerant of deleting non existent info
13228 for dataflow problems that need to be reset.
13229 * df-core.c (df_set_blocks): Ditto.
13230 * df.h (struct df_problem): Added reset_fun.
13231 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13232 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13233 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13234 functions to clear out all references to def-use or use-def chains.
13236 2006-01-21 Ben Elliston <bje@au.ibm.com>
13238 * varasm.c (assemble_real): Initialise data array.
13240 2006-01-20 Paul Brook <paul@codesourcery.com>
13242 Merge from csl-arm-branch.
13243 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13244 * config/arm/arm.md (movdi): Force operands[1] to a register
13245 if we have a non-register source.
13246 (*arm_movdi, *movdf_soft_insn): Require that one of the
13247 operands be a register.
13248 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13249 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13251 2006-01-20 DJ Delorie <dj@redhat.com>
13253 * varasm.c (initializer_constant_valid_p): Allow pointers
13254 initialized from integer constants of lesser precision.
13255 (output_constant): Allow non-int-sized pointer modes to be
13256 initialized from integer constants.
13258 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13261 * cppdefault.h (struct default_include): Add multilib flag.
13262 * cppdefault.c (cpp_include_defaults): Set it.
13263 * c.opt (-imultilib): New option.
13264 * c-opts.c (imultilib): New.
13265 (c_common_handle_option): Handle -imultilib.
13266 (c_common_post_options): Likewise.
13267 * c-incpath.c (add_standard_paths, register_include_chains):
13269 * c-incpath.h (register_include_chains): Add extra parameter.
13270 * gcc.c (do_spec_1): Generate -imultilib option.
13271 (The Specs Language): Update %I description.
13272 (process_command): Update copyright notice.
13273 * doc/cppopts.texi (-imultilib): Document.
13274 * doc/invoke.texi (-imultilib): Include in option summary.
13275 (%I): Update specs documentation.
13277 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13279 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13281 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13283 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13286 2006-01-20 Richard Guenther <rguenther@suse.de>
13287 Steven Bosscher <stevenb.gcc@gmail.com>
13289 PR rtl-optimization/24626
13290 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13291 EDGE_TRUE_VALUE if in RTL mode.
13294 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13295 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13297 2006-01-20 Dirk Mueller <dmueller@suse.com>
13300 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13301 instead of a special NOP marker.
13302 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13303 NOP marker handling.
13304 * c-common.h (empty_body_warning): Add forward declaration.
13305 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13306 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13308 2006-01-20 Paul Brook <paul@codesourcery.com>
13310 * Makefile.in (lang_checks): Keep going if mkdir fails.
13312 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13314 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13315 be able to clean out basic block when not necessary.
13316 (df_scan_free): Fixed to properly delete information if df is
13317 unused before calling df_finish.
13318 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13319 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13321 (df_bb_refs_delete): New function.
13322 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13323 * df-core.c (df_set_blocks): Added code to properly clean out
13324 unused blocks if they are not part of the blocks to consider.
13325 Added additional null check.
13326 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13327 be able to clean out basic block when not necessary
13328 * df.h (df_free_bb_function): Ditto.
13329 (df_bb_refs_delete): New function.
13330 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13331 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13332 basic block parameter to be able to clean out basic block when not
13334 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13335 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13336 Fixed to properly delete information if df is unused before
13339 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13341 PR rtl-optimization/25799
13342 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13343 Corrected confluence operator to remove bits from op2 before oring
13344 with op1 rather than removing bits from op1.
13345 (df_ru_transfer_function): Corrected test on wrong bitmap which
13346 caused infinite loop. Both of these problems were introduced in
13347 the dataflow rewrite.
13349 2006-01-19 DJ Delorie <dj@redhat.com>
13351 * reload1.c (find_reload_regs): Note the details of reload
13352 failures in the dump file.
13353 (spill_failure): Likewise.
13355 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13357 * loop-iv.c: Include df.h and hashtab.h.
13358 (enum iv_grd_result): New enum.
13359 (DF_REF_IV, DF_REF_IV_SET): New macros.
13360 (struct biv_entry): New.
13361 (df, bivs): New global variables.
13362 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13363 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13365 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13366 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13367 analyzed_for_bivness_p, record_biv): New functions.
13368 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13369 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13370 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13372 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13374 (iv_number_of_iterations): Use new interface to iv analysis.
13375 * loop-unroll.c: Do not include varray.h.
13376 (analyze_iv_to_split_insn): Use new interface to iv
13378 * loop-unswitch.c (may_unswitch_on): Ditto.
13379 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13381 (df_bb_modify): Realloc tables to the new index.
13382 (df_find_use): New function.
13383 * df.h (df_find_use): Declare.
13384 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13386 * cfgloop.h (struct rtx_iv): Remove analysed field.
13387 (iv_get_reaching_def): Removed.
13388 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13389 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13390 (loop-iv.o): Add df.h and hashtab.h dependency.
13391 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13393 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13396 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13398 (__floatundisf, __floatundidf): Likewise.
13399 * libgcc2.h (IS_IBM_EXTENDED): Define.
13401 2006-01-19 DJ Delorie <dj@redhat.com>
13403 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13405 2006-01-19 Paul Brook <paul@codesourcery.com>
13407 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13408 as nothrow when unwinding tables are disabled.
13410 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13413 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13414 of bit-field" when in system header.
13416 2006-01-19 DJ Delorie <dj@redhat.com>
13418 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13419 the 16 bit shift limit of the m16c.
13421 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13424 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13425 * config/i386/i386.c (output_set_got): Output the label if we have one
13426 for the TARGET_DEEP_BRANCH_PREDICTION case.
13428 2006-01-19 Jan Hubicka <jh@suse.cz>
13429 H.J. Lu <hongjiu.lu@intel.com>
13430 Evandro Menezes <evandro.menezes@amd.com>
13432 * invoke.texi (generic): Document
13434 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13435 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13436 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13437 (x86_use_incdec, x86_pad_returns): New variables
13438 (TARGET_CPU_DEFAULT_generic): New constant
13439 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13440 (enum processor_type): Add generic32 and generic64.
13441 * i386.md (cpu attribute): Add generic32/generic64
13442 (movhi splitter): Behave sanely when both partial_reg_dependency and
13443 partial_reg_stall are set.
13444 (K8 splitters): Enable for generic as well.
13445 * predicates.md (incdec_operand): Use TARGET_INCDEC
13446 (aligned_operand): Avoid memory mismatch stalls.
13447 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13448 * ppro.md: Enable for generic32
13449 * i386.c (generic64_cost, generic32_cost): New.
13450 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13451 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13452 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13453 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13454 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13455 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13456 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13457 x86_accumulate_outgoing_args, x86_prologue_using_move,
13458 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13459 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13460 Enable for generic.
13461 (x86_use_incdec, x86_pad_returns): New.
13462 (override_options): Add generic32 and generic64, translate "generic"
13463 to generic32/generic64 and "i686" to "generic32", refuse
13464 "generic32"/"generic64" as arch target.
13465 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13466 (ix86_reorg): Honor PAD_RETURNS.
13468 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13470 * tree-pretty-print.c (dump_generic_node): Handle
13471 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13472 * cgraph.c (cgraph_expand_queue): Rename from
13473 cgraph_analyze_queue. Update all users.
13474 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13475 cgraph_expand_queue.
13476 (cgraph_expand_all_functions): Likewise.
13477 (cgraph_finalize_pending_functions): Remove. Update callers.
13479 * tree.h (OMP_DIRECTIVE_P): Define.
13480 (OMP_PARALLEL_FN): Define.
13481 (OMP_PARALLEL_DATA_ARG): Define.
13482 (OMP_SECTIONS_SECTIONS): Define.
13483 * tree-pass.h (pass_expand_omp): Declare.
13484 * omp-low.c (struct omp_region): Declare.
13485 (struct omp_context): Remove fields 'parallel_type',
13486 'parallel_start_ix' and 'parallel_start_additional_args'.
13488 (struct omp_for_data): Rename from struct expand_omp_for_data.
13489 (omp_regions): New static variable.
13490 (root_omp_region): New static variable.
13491 (find_omp_clause): Make static.
13492 (is_in_combined_parallel_ctx): Remove.
13493 (is_combined_parallel): New.
13494 (extract_omp_for_data): Move earlier in the file.
13495 (workshare_safe_to_combine_p): New.
13496 (get_ws_args_for): New.
13497 (determine_parallel_type): Move earlier in the file.
13498 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13500 (omp_copy_decl): Likewise.
13501 (create_omp_child_function): Likewise.
13502 (lookup_omp_region): New.
13503 (dump_omp_region): New.
13504 (debug_omp_region): New.
13505 (debug_all_omp_regions): New.
13506 (new_omp_region): New.
13507 (scan_omp_parallel): If parallel_nesting_level > 1, the
13508 directive is nested within another parallel directive.
13509 Set OMP_PARALLEL_FN.
13510 (scan_omp_for): Do not try to handle combined parallel+for
13512 Remove FIXME comment.
13513 (scan_omp_nested): Remove.
13514 (scan_omp_1): Do not call scan_omp_nested when
13515 parallel_nesting_level is > 1.
13516 Do not change the DECL_CONTEXT of local variables found.
13517 (lookup_decl_in_outer_ctx): New.
13518 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13519 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13520 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13521 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13522 If CTX is nested, lookup VAR in the outer context when
13523 building copy assignment.
13524 (lower_send_clauses): Rename from expand_send_clauses.
13525 If CTX is nested, lookup VAR in the outer context when
13526 building copy assignments.
13527 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13528 If CTX is nested, lookup VAR in the outer context when
13529 building copy assignments.
13530 (expand_parallel_call): Rename from build_parallel_call.
13531 Handle combined parallel+workshare cases.
13532 Re-implement to emit code into the CFG.
13534 (expand_omp_parallel): Re-implement to emit code into the CFG.
13535 Call move_sese_region_to_fn to outline the sub-graph
13536 containing the parallel region.
13537 (expand_omp_for_1): Remove.
13538 (expand_omp_for_generic): Re-implement to emit code into the
13540 (expand_omp_for_static_nochunk): Likewise.
13541 (expand_omp_for_static_chunk): Likewise.
13542 (expand_omp_for): Likewise.
13543 (expand_omp_sections): Likewise.
13544 (remove_exit_barriers): New.
13545 (expand_omp_synch): New.
13547 (build_omp_regions_1): New.
13548 (build_omp_regions): New.
13549 (execute_expand_omp): New.
13550 (gate_expand_omp): New.
13551 (pass_expand_omp): Define.
13552 (lower_omp_sections): Rename from expand_omp_sections.
13553 Set OMP_SECTIONS_SECTIONS.
13554 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13555 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13556 (lower_omp_single): Rename from expand_omp_simple.
13557 (lower_omp_master): Rename from expand_omp_master.
13558 (lower_omp_ordered): Rename from expand_omp_ordered.
13559 (lower_omp_critical): Rename from expand_omp_critical.
13560 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13561 (lower_omp_for): Re-implement.
13562 (lower_omp_parallel): Re-implement.
13563 (lower_regimplify): Rename from expand_regimplify.
13564 (lower_omp_1): Rename from expand_omp_1.
13565 If there are syntax errors in the program, replace every
13566 OpenMP directive with NOP.
13567 Call lower_omp_* instead of expand_omp_*.
13568 (lower_omp): Rename from expand_omp.
13570 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13571 * tree-gimple.h (enum omp_parallel_type): Remove.
13572 (gimple_boolify): Declare extern.
13573 (find_omp_clause, determine_parallel_type): Remove.
13575 * gimple-low.c (lower_omp_directive): New.
13576 (lower_stmt): Call it.
13577 (record_vars_into): Move from ...
13578 (record_vars): ... here.
13579 Call record_vars_into with current_function_decl.
13581 * gimplify.c (struct gimplify_ctx): Remove fields
13582 combined_pre_p and combined_ctxp. Update users.
13583 (get_formal_tmp_var): Add documentation.
13584 (gimple_boolify): Make extern.
13585 (gimplify_expr_in_ctx): Remove. Update callers.
13586 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13587 will always be a BIND_EXPR.
13588 (gimplify_expr): Handle OMP_RETURN_EXPR.
13589 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13590 (OMP_PARALLEL): Add 3 operands.
13591 (OMP_SECTIONS): Add 1 operand.
13592 (OMP_RETURN_EXPR): Define.
13594 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13595 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13596 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13597 creating a circular free list.
13598 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13600 * tree-flow.h (move_sese_region_to_fn): Declare.
13601 (record_vars_into): Declare.
13602 * tree-cfg.c (make_omp_sections_edges): New.
13603 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13604 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13605 OMP_SECTIONS and OMP_SECTION.
13606 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13607 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13608 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13609 (gather_blocks_in_sese_region): New.
13610 (struct move_stmt_d): Declare.
13611 (move_stmt_r): New.
13612 (move_block_to_fn): New.
13613 (move_sese_region_to_fn): New.
13615 * passes.c (init_optimization_passes): Schedule
13616 pass_expand_omp after pass_init_datastructures.
13618 * tree-ssa-operands.c (get_expr_operands): Handle
13619 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13620 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13622 2006-01-19 Jeff Law <law@redhat.com>
13624 * tree-vrp.c (extract_range_from_assert): Refine the result range
13625 if the variable referenced by the ASSERT_EXPR has a range and
13626 either the tentative result range or the previous range is a
13629 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13631 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13633 2006-01-19 Jan Hubicka <jh@suse.cz>
13635 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13637 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13639 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13640 (expand_compound_operation, expand_field_assignment): Fail if the
13641 bit lengths of an extract operation are out of range.
13642 (make_extraction): Compute wanted_inner_mode based on the position
13643 and length of the extraction. Make it extraction_mode for non-constant
13644 positions, and do not modify offset in that case. When generating a
13645 new MEM, use a mode that can hold the extraction while keeping correct
13646 alignment. Remove code that supported MEMs wrapped by USEs.
13647 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13649 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13651 * config/s390/s390.md ("Y", "y"): New mode attribute.
13652 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13653 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13654 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13655 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13656 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13657 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13658 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13659 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13660 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13661 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13662 "addsi3", "subsi3"): Insn patterns removed.
13663 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13664 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13665 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13666 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13667 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13668 "*sub<mode>3_cconly2"): New insn patterns.
13669 ("addsi3", "subsi3"): New expanders.
13671 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13673 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13674 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13675 existing STMT_VINFO_VECTYPE if available.
13676 (vect_mark_relevant): Add special handling for stmts that are
13677 marked as STMT_VINFO_IN_PATTERN_P.
13678 (vect_analyze_loop): Call vect_pattern_recog.
13679 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13680 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13682 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13683 (vect_recog_func_ptr): New function-pointer type.
13684 * tree-vect-patterns.c: New file.
13685 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13686 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13687 (vect_pattern_recog_1): New functions.
13688 (vect_pattern_recog_funcs): New array of function pointers.
13690 * tree-vectorizer.h (ternary_op): New enum value.
13691 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13692 declaration. Revised documentation. Removed redundant dump prints.
13693 Removed redundant argument. Added support for reduction patterns.
13694 (vectorizable_reduction): Added support for reduction patterns.
13695 (vect_transform_stmt): Added support for patterns.
13697 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13698 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13699 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13700 (expand_widen_pattern_expr): New function.
13701 (init_optabs): Initialize new optabs udot_prod_optab,
13703 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13704 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13705 (expand_widen_pattern_expr): New function declaration.
13706 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13708 * tree-inline.c (estimate_num_insns_1): Added cases for new
13709 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13710 * tree-pretty-print.c (dump_generic_node): Likewise.
13711 (op_prio): Likewise.
13712 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13713 * tree-ssa-operands.c (get_expr_operands): Added case for
13715 * tree-vect-patterns.c (widened_name_p): New function.
13716 (vect_recog_dot_prod_pattern): Added function implementation.
13717 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13718 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13719 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13720 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13722 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13723 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13724 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13725 (init_optabs): Initialize new optabs widen_ssum_optab,
13727 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13728 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13729 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13730 use instead of type of def.
13731 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13732 function implementation.
13733 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13734 widen_ssumv8hi): New.
13736 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13739 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13742 * c-decl.c (add_flexible_array_elts_to_size): New function.
13743 (finish_decl): Use it.
13745 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13747 * diagnostic.h: Include options.h.
13748 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13749 dependancies for diagnostic.h.
13750 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13752 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13754 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13755 (ssa_ro_call_cache_valid): Ditto.
13756 * tree-ssa-alias.c (sort_tags_by_id): New function.
13757 (init_transitive_clobber_worklist): Ditto.
13758 (add_to_worklist): Ditto.
13759 (mark_aliases_call_clobbered): Ditto.
13760 (compute_tag_properties): Ditto.
13761 (set_initial_properties): Ditto.
13762 (compute_call_clobbered): Ditto.
13763 (compute_may_aliases): Call compute_call_clobbered and grouping.
13764 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13765 (compute_flow_insensitive_aliasing): Grouping now happens in our
13767 (setup_pointers_and_addressables): Remove clobbering related code.
13768 (add_may_alias): Ditto.
13769 (replace_may_alias): Ditto.
13770 (get_nmt_for): Ditto.
13771 (create_global_var):
13772 (is_escape_site): Return an escape_type enumeration.
13773 * tree-flow-inline.h (is_call_clobbered): Global var does not
13774 imply call clobbered.
13775 (mark_call_clobbered): Take a reason for marking this. Remove
13776 marking of globalness, and cache invalidation.
13777 (clear_call_clobbered): Remove cache invalidation code.
13778 * tree-dfa.c (dump_variable): If details is on, dump the reason
13780 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13782 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13783 (struct var_ann_d): Ditto.
13784 (enum escape_type): New.
13785 (mark_call_clobbered): Adjust prototype.
13786 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13787 are never call clobbered.
13788 Record reasons for escaping.
13789 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13790 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13791 (ssa_ro_call_cache_valid): Ditto.
13792 (clobbered_v_may_defs): Ditto.
13793 (clobbered_vuses): Ditto.
13794 (ro_call_vuses): Ditto.
13795 (clobber_stats): New.
13796 (init_ssa_operands): Zero out clobber stats.
13797 (fini_ssa_operands): Print out clobber stats.
13798 (get_call_expr_operands): Pass callee fndecl to
13799 add_call_read_ops).
13800 (add_call_clobber_ops): Remove use of cache.
13801 Add use of PURE_CONST information.
13802 (add_call_read_ops): Remove use of cache.
13803 Add use of static not_read information.
13805 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13807 Introduce TLS descriptors for i386 and x86_64.
13808 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13809 (TARGET_ANY_GNU_TLS): New macro.
13810 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13811 (struct machine_function): Add tls_descriptor_call_expanded_p.
13812 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13813 (ix86_current_function_calls_tls_descriptor): Likewise.
13814 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13815 (override_options): Introduce gnu2 tls dialect.
13816 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13818 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13820 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13821 (ix86_init_machine_status): Initialize new field.
13822 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13823 (ix86_tls_module_base): New.
13824 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13825 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13826 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13827 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13828 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13829 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13830 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13831 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13832 * config/i386/predicates.md (tls_modbase_operand): New.
13833 (tp_or_register_operand): New.
13835 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13837 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13838 (look_for_address_of): Ditto.
13839 (ipa_init): Walk the function decls.
13840 (static_execute): Don't set readonly on FUNCTION_DECL's.
13842 2006-01-18 Roger Sayle <roger@eyesopen.com>
13844 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13845 for shifts where the source and destination registers are different.
13847 2006-01-18 Paul Brook <paul@codesourcery.com>
13849 Merge from csl-arm-branch.
13850 2005-03-14 Julian Brown <julian@codesourcery.com>
13851 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13852 (aeabi_llsl): Likewise.
13853 (ashrdi3): Likewise.
13854 (aeabi_lasr): Likewise.
13855 (lshrdi3): Likewise.
13856 (aeabi_llsr): Likewise.
13857 2005-03-10 Julian Brown <julian@codesourcery.com>
13858 * config.gcc: Disable shared libgcc for SymbianOS.
13859 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13861 2006-01-18 DJ Delorie <dj@redhat.com>
13863 * c-pragma.c (handle_pragma_diagnostic): New.
13864 (init_pragma): Register it.
13865 * doc/extend.texi: Document it.
13867 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13868 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13869 (diagnostic_context): Add classify_diagnostic[].
13870 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13871 as errors if they're overridden to DK_WARNING.
13872 (diagnostic_initialize): Initialize classify_diagnostic[].
13873 (diagnostic_set_kind_override): New.
13874 (diagnostic_report_diagnostic): Check for kind changes.
13875 * opts.c (common_handle_option): Take lang_mask. Update callers.
13876 Handle OPT_Werror_.
13877 * common.opt (Werror=): New.
13878 * doc/invoke.texi: Document -Werror=*
13880 2006-01-18 Jeff Law <law@redhat.com>
13882 * tree-vrp.c (test_for_singularity): Correct test for new
13883 min limit. Use operand_equal_p rather than pointer equality
13884 for testing if new min/max values are equal.
13886 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13887 using range information until after propagation and folding.
13889 2006-01-18 Richard Henderson <rth@redhat.com>
13890 Aldy Hernandez <aldyh@redhat.com>
13891 Jakub Jelinek <jakub@redhat.com>
13892 Diego Novillo <dnovillo@redhat.com>
13894 * omp-low.c: New file.
13895 * c-omp.c: New file.
13897 2006-01-18 Richard Henderson <rth@redhat.com>
13898 Jakub Jelinek <jakub@redhat.com>
13899 Diego Novillo <dnovillo@redhat.com>
13901 * doc/invoke.texi: Document -fopenmp.
13902 * tree-dump.h (debug_function): Declare.
13903 * hooks.c (hook_bool_tree_bool_false): New function.
13904 (hook_tree_tree_null): Remove.
13905 (hook_tree_tree_tree_null): New.
13906 * hooks.h: Update to match.
13907 * tree-pretty-print.c (debug_tree_chain): New.
13908 (print_generic_expr): Handle TDF_CHAIN.
13909 (dump_generic_node): Handle BLOCK.
13910 Do not abort with incomplete SWITCH_EXPRs.
13911 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13912 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13913 print space after directive name.
13914 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13915 Handle OMP_MASTER and OMP_ORDERED.
13916 Handle printing of OMP_BODY just in one place, goto
13917 dump_omp_body in the rest of OMP_* nodes that have
13919 Don't handle clause nodes here. Update omp statements to
13920 use dump_omp_clauses.
13921 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13922 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13923 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13924 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13925 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13926 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13927 Adjust output for GOMP_PARALLEL.
13928 (dump_omp_clauses): New.
13929 (print_declaration): Dump DECL_VALUE_EXPR.
13930 (op_symbol_1): Split out of op_symbol.
13931 (dumping_stmts): Remove. Update all users.
13932 * cgraph.c (cgraph_analyze_queue): New.
13933 (cgraph_add_new_function): New.
13934 * cgraph.h (cgraph_analyze_queue): Declare.
13935 (cgraph_add_new_function): Declare.
13936 (cgraph_lower_function): Remove.
13937 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13938 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13939 and TYPE_P nodes in its default clause.
13940 (empty_body_p): New.
13941 (tree_range_check_failed): New.
13942 (build5_stat): New.
13943 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13944 OMP_CLAUSE_REDUCTION_MERGE,
13945 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13946 OMP_CLAUSE_PRIVATE_DEBUG,
13947 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13948 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13949 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13950 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13951 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13952 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13953 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13954 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13955 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13956 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13957 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13958 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13959 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13960 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13961 (TREE_RANGE_CHECK): New.
13962 (empty_body_p): Declare.
13963 (enum omp_clause_default_kind): New.
13964 (build_string_literal): Declare.
13965 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13966 (build5_stat, build5): Declare.
13967 * tree-pass.h (TDF_CHAIN): Define.
13968 * tree-pass.h (PROP_gimple_lomp): Define.
13969 (pass_lower_omp): Declare.
13970 * diagnostic.h (debug_tree_chain): Declare.
13971 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13973 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13974 * builtins.c (build_string_literal): Make extern.
13975 * gcc.c (include_spec_function): New.
13976 (static_spec_functions): Add it.
13977 (main): Move load of libgomp.spec ...
13978 (LINK_COMMAND_SPEC): ... here.
13979 (link_gomp_spec): New.
13980 (static_specs): Include it.
13981 (LINK_COMMAND_SPEC): Add link_gomp.
13982 (GOMP_SELF_SPECS): New.
13983 (driver_self_specs): Include it.
13984 (switch_matches): Don't mark inline.
13985 (main): Load libgomp.spec.
13986 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13987 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13988 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13989 * tree-gimple.h (enum omp_parallel): Declare.
13990 (determine_parallel_type): Declare.
13991 (omp_firstprivatize_variable): Declare.
13992 (omp_reduction_init): Declare.
13993 (diagnose_omp_structured_block_errors): Declare.
13994 (struct walk_stmt_info): Add want_return_expr.
13995 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13996 (find_omp_clause): Declare.
13997 (insert_field_into_struct): Declare.
13998 (struct walk_stmt_info): Move from tree-nested.c
13999 (walk_stmts): Declare.
14000 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
14002 * cgraphunit.c (cgraph_lower_function): Make static.
14003 (cgraph_finalize_pending_functions): New.
14004 (cgraph_finalize_function): Call it.
14005 (cgraph_finalize_compilation_unit): Likewise.
14006 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
14007 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
14008 (BT_FN_UINT_UINT): New.
14009 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
14010 DEF_FUNCTION_TYPE_VAR_4): Document.
14011 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
14012 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
14013 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
14014 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
14015 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
14016 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
14017 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
14018 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
14019 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
14020 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
14021 into separate files.
14022 (DEF_GOMP_BUILTIN): New.
14023 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
14024 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
14025 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
14026 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
14027 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
14028 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
14029 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
14030 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
14031 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
14032 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
14033 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
14034 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
14035 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
14036 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
14037 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
14038 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
14039 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
14040 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
14041 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
14042 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
14043 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
14044 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
14045 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
14046 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
14047 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
14048 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
14049 * sync-builtins.def: New file, moved from builtins.def.
14050 * omp-builtins.def: New file, moved from builtins.def.
14051 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
14052 * gimple-low.c (lower_function_body): Clear data.
14053 (lower_stmt): Do not handle COMPOUND_EXPR.
14054 Remove call to print_node_brief.
14055 * c-tree.h (c_finish_omp_clauses): New prototype.
14056 (C_DECL_THREADPRIVATE_P): Define.
14057 (lookup_name_no_remap, c_omp_remap_private): Remove
14058 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
14059 (check_for_loop_decls): Update decl.
14060 (lookup_name_no_remap, c_omp_remap_private): Declare.
14061 (build_indirect_ref, build_modify_expr, pushdecl,
14062 pushdecl_top_level): Move to c-common.h.
14063 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
14064 before the switch, but just in the 2 places that need it.
14065 * c-decl.c (diagnose_mismatched_decls): Do not check for
14066 mismatched thread-local attributes when OLDDECL is marked
14067 threadprivate and NEWDECL has no thread-local attributes.
14068 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14069 (c_gimple_diagnostics_recursively): Rename from
14070 c_warn_unused_result_recursively. Invoke
14071 diagnose_omp_structured_block_errors.
14072 (check_for_loop_decls): Return a singular decl found.
14073 * langhooks.c (lhd_omp_predetermined_sharing): Return
14074 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14075 (lhd_omp_firstprivatize_type_sizes): New.
14076 (lhd_omp_assignment): New.
14077 (lhd_omp_predetermined_sharing): New.
14078 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14079 (struct lang_hooks_for_types): Add
14080 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14081 omp_predetermined_sharing, omp_disregard_value_expr,
14082 omp_private_debug_clause, omp_clause_default_ctor,
14083 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14084 (c_finish_omp_clauses): New.
14085 (c_finish_bc_stmt): Diagnose break within omp for.
14086 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14087 (build_unary_op): Return error_mark after reporting
14089 (build_modify_expr): Likewise.
14090 * gimplify.c: Include optabs.h and pointer-set.h.
14091 (enum gimplify_omp_var_data): Declare.
14092 (struct gimplify_omp_ctx): Declare.
14093 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14095 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14096 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14097 (splay_tree_compare_decl_uid): New.
14098 (new_omp_context): New.
14099 (delete_omp_context): New.
14100 (gimple_add_tmp_var): Call omp_add_variable.
14101 (gimplify_bind_expr): Likewise.
14102 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14103 true, disregard DECL_VALUE_EXPR on the decl if any.
14104 (gimplify_expr_in_ctx): New.
14105 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14106 omp_add_variable, omp_notice_variable, omp_is_private
14107 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14108 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14109 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14110 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14111 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14112 gimplify_omp_atomic): New.
14113 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14114 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14115 OMP_CRITICAL and OMP_ATOMIC.
14116 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14117 * c-pragma.h (enum pragma_kind): Add
14118 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14119 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14120 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14121 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14122 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14123 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14124 PRAGMA_OMP_THREADPRIVATE.
14125 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14126 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14127 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14128 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14129 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14130 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14131 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14132 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14133 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14134 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14135 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14136 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14137 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14139 (struct nesting_info): Add field_map,
14140 suppress_expansion, debug_var_chain.
14141 (create_nesting_tree): Initialize them.
14142 (lookup_field_for_decl): Use field_map.
14143 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14144 (convert_local_omp_clauses): New.
14145 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14146 (walk_body): Split out of walk_function.
14147 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14148 (convert_nonlocal_reference): Handle omp statements.
14149 (convert_local_reference): Likewise.
14150 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14151 (unnest_nesting_tree): New.
14152 (lower_nested_functions): Call it.
14153 (insert_field_into_struct): Make extern.
14154 (struct walk_stmt_info): Move to tree-gimple.h.
14155 (walk_stmts): Make extern.
14156 * omp-builtins.def: New file.
14157 * tree-iterator.c (expr_only): Clarify comment.
14158 * c-common.h (pushdecl_top_level, pushdecl,
14159 build_modify_expr, build_indirect_ref,
14160 c_finish_omp_master, c_finish_omp_critical,
14161 c_finish_omp_ordered, c_finish_omp_barrier,
14162 c_finish_omp_atomic, c_finish_omp_flush,
14163 c_finish_omp_for, c_split_parallel_clauses,
14164 omp_clause_default_kind, c_omp_sharing_predetermined,
14165 c_omp_remap_decl): Declare.
14166 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14167 (OBJS-common): Add omp-low.o.
14168 (c-omp.o, omp-low.o): Add.
14169 (gimplify.o): Add dependency on $(OPTABS_H).
14170 (GTFILES): Add omp-low.c.
14171 (gt-stringpool.h): Add.
14172 * tree-cfg.c (set_bb_for_stmt): Do not update the
14173 block-to-labels map if we are currently expanding to RTL.
14174 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14176 Handle IDENTIFIER_NODE.
14177 (tree_verify_flow_info): Do not ICE when emitting error
14178 messages about invalid labels.
14179 (dump_function_to_file): Reset CFUN before emitting the body
14181 (debug_function): New.
14182 * passes.c (init_optimization_passes): Schedule
14184 * langhooks-def.h (lhd_omp_predetermined_sharing,
14185 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14187 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14188 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14189 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14190 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14191 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14192 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14193 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14194 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14195 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14196 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14197 (LANG_HOOK_DECLS): Use them.
14199 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14200 Richard Henderson <rth@redhat.com>
14201 Jakub Jelinek <jakub@redhat.com>
14202 Diego Novillo <dnovillo@redhat.com>
14204 * c-parser.c (pragma_omp_clause): Define.
14205 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14206 (c_parser_compound_statement): Likewise.
14207 (c_parser_statement): Likewise.
14208 (c_parser_pragma): Handle omp pragmas.
14209 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14210 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14211 (c_parser_omp_clause_name, check_no_duplicate_clause,
14212 c_parser_omp_variable_list,
14213 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14214 c_parser_omp_clause_copyprivate,
14215 c_parser_omp_clause_default,
14216 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14217 c_parser_omp_clause_lastprivate,
14218 c_parser_omp_clause_nowait,
14219 c_parser_omp_clause_num_threads,
14220 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14221 c_parser_omp_clause_reduction,
14222 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14223 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14224 c_parser_omp_atomic, c_parser_omp_barrier,
14225 c_parser_omp_critical, c_parser_omp_flush,
14226 c_parser_omp_for_loop, c_parser_omp_for,
14227 c_parser_omp_master, c_parser_omp_ordered,
14228 c_parser_omp_sections_scope, c_parser_omp_sections,
14229 c_parser_omp_parallel, c_parser_omp_single,
14230 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14231 * c-pragma.c (init_pragma): Do omp pragma registration here.
14232 * c.opt (fopenmp): New flag.
14234 2006-01-18 Eric Christopher <echristo@apple.com>
14236 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14237 * config/darwin.h (GOMP_SELF_SPECS): Define.
14239 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14241 * rtl.h: Remove the prototype for reg_alloc.
14243 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14246 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14247 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14248 sjlj and dwarf2 exception handling.
14249 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14250 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14251 * pa/pa.c (function_value): Treat complex and vector types as
14253 (function_arg): Likewise. Only pass scalar floats in the floating
14254 point argument registers.
14255 * pa/t-slibgcc-dwarf-ver: New file.
14256 * pa/t-slibgcc-sjlj-ver: New file.
14257 * pa/t-slibgcc-elf-ver: Delete file.
14259 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14261 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14262 unlikely_test_section_p test.
14264 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14266 * mode-switching.c (optimize_mode_switching): Make it static.
14267 * basic-block.h: Remove the prototype for
14268 optimize_mode_switching.
14270 * modulo-sched.c (sms_schedule): Make it static.
14271 * rtl.h: Remove the prototype for sms_schedule.
14273 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14274 * rtl.h: Remove the prototype for gcse_after_reload_main.
14276 * reg-stack.c (reg_to_stack): Make it static.
14277 * rtl.h: Remove the prototype for reg_to_stack.
14279 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14281 * rtl.h: Remove the prototypes for regrename_optimize and
14282 copyprop_hardreg_forward.
14284 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14286 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14287 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14288 Test against the appropriate null constant for the mode.
14289 If 'fixup_overlap' is true, swap the operands if they overlap.
14290 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14291 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14292 alpha_split_tmode_pair and adjust for above change.
14293 * config/alpha/alpha.md (movtf_internal): Adjust call to
14294 alpha_split_tfmode_pair and rely on it to swap the operands.
14295 (movti_internal): New insn and post-reload splitter.
14296 (movti): New expander.
14298 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14300 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14303 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14305 * rtlanal.c (global_reg_mentioned_p_1,
14306 global_reg_mentioned_p): Remove.
14307 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14309 * flow.c (initialize_uninitialized_subregs): Make it static.
14310 * rtl.h: Remove the prototype for
14311 initialize_uninitialized_subregs.
14313 * function.c (instantiate_virtual_regs): Make it static.
14314 * function.h: Remove the prototype for
14315 instantiate_virtual_regs.
14317 * regmove.c (regmove_optimize, combine_stack_adjustments):
14319 * rtl.h: Remove the prototypes for regmove_optimize and
14320 combine_stack_adjustments.
14322 2006-01-17 Roger Sayle <roger@eyesopen.com>
14324 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14325 (size_cost): Encode costs in bytes so that a reg-reg addition is
14326 equivalent to COSTS_N_INSNS(1).
14327 (override_options): Use the size_cost.branch_cost as the default
14328 ix86_branch_cost when optimizing for size.
14330 2006-01-18 Ben Elliston <bje@au.ibm.com>
14332 * Makefile.in (D32PBIT_FUNCS): New.
14333 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14334 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14335 D64PBIT_FUNCS and D128PBIT_FUNCS.
14336 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14337 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14339 (decnumber_dep): Define.
14340 * doc/libgcc.texi (Decimal float library routines): New node.
14341 * config/dfp-bit.h, config/dfp-bit.c: New files.
14343 2006-01-18 Ben Elliston <bje@au.ibm.com>
14345 * expr.c (emit_move_change_mode): Always adjust addresses, not
14346 just during reload. Copy replacements only during reload.
14347 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14348 emit_move_via_integer.
14350 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14352 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14353 instead of $(srcdir) and ${srcdir}.
14355 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14358 PR middle-end/11135
14359 * arm.h (struct machine_function): Add pic_reg.
14360 * arm.c (arm_pic_register): Make unsigned.
14361 (arm_override_options): Only set arm_pic_register if
14362 TARGET_SINGLE_PIC_BASE.
14363 (use_return_insn): Only test for a pic register if it is fixed.
14364 (arm_compute_save_reg0_reg12_mask): Likewise.
14365 (thumb_compute_save_reg_mask): Likewise.
14366 (legitimate_pic_operand): Factor out some known invariants.
14367 (legitimize_pic_address): If we don't have a fixed pic register,
14368 then set up a pseudo in the function entry sequence. Handle the
14369 pic base being in a pseudo.
14370 (arm_load_pic_register): Handle the pic register being in a pseudo.
14371 (arm_expand_prologue): Only set up the pic register if it is fixed.
14372 (thumb_expand_prologue): Likewise.
14373 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14374 (pic_load_addr_based_insn): Likewise.
14375 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14378 2006-01-18 Ben Elliston <bje@au.ibm.com>
14380 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14381 decimal float modes for all floating point registers.
14383 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14384 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14386 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14389 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14390 even when the pointer is not NULL.
14392 2006-01-16 Ian Lance Taylor <ian@airs.com>
14394 * common.opt (ftoplevel-reorder): New option.
14395 * cgraph.c (cgraph_asm_nodes): New global variable.
14396 (cgraph_asm_last_node): New static variable.
14397 (cgraph_order): New global variable.
14398 (cgraph_create_node): Set new order field.
14399 (cgraph_varpool_node): Likewise.
14400 (decide_is_variable_needed): Return true if not
14401 flag_toplevel_reorder.
14402 (cgraph_add_asm_node): New function.
14403 * cgraph.h (struct cgraph_node): Add order field.
14404 (struct cgraph_varpool_node): Add order field.
14405 (struct cgraph_asm_node): Define.
14406 (cgraph_asm_nodes, cgraph_order): Declare.
14407 (cgraph_add_asm_node): Declare.
14408 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14410 (cgraph_varpool_assemble_pending_decls): Call it.
14411 (cgraph_output_pending_asms): New static function.
14412 (cgraph_finalize_compilation_unit): Call it.
14413 (struct cgraph_order_sort): Define.
14414 (cgraph_output_in_order): New static function.
14415 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14416 !flag_toplevel_reorder case.
14417 * c-parser.c: Include "cgraph.h".
14418 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14420 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14421 than -fno-unit-at-a-time.
14422 * doc/invoke.texi (Option Summary): Mention
14423 -fno-toplevel-reorder.
14424 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14425 -funit-at-a-time documentation.
14427 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14428 Kazu Hirata <kazu@codesourcery.com>
14430 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14432 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14434 * Makefile.in (FUNCTION_H): New. Use it instead of
14435 function.h throughout the file.
14436 * function.h: Include tree.h.
14438 2006-01-17 Ben Elliston <bje@au.ibm.com>
14440 * recog.c: Separate some functions with whitespace.
14442 2006-01-16 Richard Henderson <rth@redhat.com>
14444 Merge from gomp branch:
14445 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14446 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14447 and rename from struct inline_data. Rename callee* to dst*;
14448 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14449 transform_new_cfg, transform_return_to_modify, and
14450 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14452 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14453 (copy_decl_for_dup): Remove.
14454 * tree-inline.c (struct inline_data): Move to header.
14455 (insert_decl_map): Export.
14456 (remap_decl): Update for member name changes. Use copy_decl hook.
14457 Allow for replacement to be a non-decl. Remove dead code.
14458 (remap_type_1): Check for existing mapping.
14459 (remap_type): Export.
14460 (remap_decls): Update for member name changes.
14461 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14462 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14463 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14464 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14465 (tree_function_versioning, build_duplicate_type): Likewise.
14466 (copy_body_r): Likewise. Export.
14467 (copy_decl_for_dup): Split into ...
14468 (copy_decl_for_dup_finish, copy_decl_to_var,
14469 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14470 (replace_ref_tree, inlining_p): Remove.
14472 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14474 * ifcvt.c (if_convert): Make it static.
14475 * rtl.h: Remove the prototype for if_convert.
14477 * local-alloc.c (local_alloc): Make it static.
14478 * rtl.h: Remove the prototype for local_alloc.
14480 * loop.c (loop_optimize): Make it static.
14481 * cfgloop.h: Remove the prototype for loop_optimize.
14484 2006-01-16 DJ Delorie <dj@redhat.com>
14486 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14489 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14491 * pa.md: Disparage copies between general and floating-point registers
14492 in 32-bit move patterns.
14494 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14497 * Makefile.in (check-%): Depend on site.exp instead of
14498 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14501 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14503 * global.c (global_alloc): Make it static.
14504 * rtl.h: Remove the prototype for global_alloc.
14506 2006-01-16 Richard Guenther <rguenther@suse.de>
14508 * tree-ssa-alias.c (struct used_part): Add write_only field.
14509 (get_or_create_used_part_for): Initialize it to true.
14510 (create_overlap_variables_for): Don't create structure variables
14511 for structures that only are written to.
14512 (find_used_portions): Handle MODIFY_EXPR to track whether a
14513 structure is only written to.
14515 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14517 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14519 * basic-block.h: Remove the prototype for
14520 partition_hot_cold_basic_blocks.
14522 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14524 * cppspec.c (lang_specific_spec_functions): Remove.
14525 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14526 * gcc.h (lang_specific_spec_functions): Remove.
14527 * gccspec.c (lang_specific_spec_functions): Remove.
14529 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14531 * combine.c (record_value_for_reg): Invalidate registers
14533 (record_dead_and_set_regs_1): Likewise, by passing them to
14534 record_value_for_reg.
14535 (record_dead_and_set_regs): Invalidate stores made by a
14536 call. We do not combine across a call, but we still
14537 relied on equivalences.
14539 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14541 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14542 vrp_int_const_binop returning non-constant nodes.
14544 2006-01-16 Paul Brook <paul@codesourcery.com>
14546 * config/m68k/m68k.c (output_move_const_into_data_reg):
14547 Output correct mnemonic for mvz and mvs.
14549 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14551 * rtl-factoring.c: Add sequence abstraction algorithm.
14552 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14553 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14555 (block_has_preserve_label): New function.
14556 * common.opt: Register new pass.
14557 * Makefile.in: Ditto.
14559 * timevar.def: Ditto.
14560 * tree-pass.h: Ditto.
14561 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14562 * rtl.h (make_jump_insn_raw): Add forward decl.
14563 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14565 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14566 Roger Sayle <roger@eyesopen.com>
14568 * fold-const.c (fold_minmax): New static function.
14569 (fold_binary) <MIN_EXPR>: Call it.
14570 <MAX_EXPR>: Likewise.
14571 * stor-layout.c (place_field): Use DECL_SIZE consistently
14572 in the computation of the new record size.
14574 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14576 * cse.c (cse_condition_code_reg): Make it static.
14577 * rtl.h: Remove the prototype for cse_condition_code_reg.
14579 * combine.c (combine_instructions): Make it static.
14580 * rtl.h: Remove the prototype for combine_instructions.
14582 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14585 * tree.c (get_file_function_name_long): Concatenate the first global
14586 object name with a string derived from the input filename of the object
14589 2006-01-16 Ben Elliston <bje@au.ibm.com>
14591 * config/i386/winnt-stubs.c: Update FSF address.
14592 * config/xtensa/ieee754-df.S: Ditto.
14593 * config/xtensa/ieee754-sf.S: Ditto.
14595 2006-01-14 Ian Lance Taylor <ian@airs.com>
14597 * ifcvt.c (noce_init_if_info): New static function, broken out of
14598 noce_process_if_block.
14599 (noce_process_if_block): Call noce_init_if_info.
14600 (check_cond_move_block): New static function.
14601 (cond_move_process_if_block): New static function.
14602 (process_if_block): Call cond_move_process_if_block.
14604 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14606 * cselib.c (hash_table): Rename to cselib_hash_table.
14607 (cselib_clear_table, discard_useless_values,
14608 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14609 cselib_init, cselib_finish): Adjust uses of hash_table.
14611 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14613 PR tree-optimization/25485
14614 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14615 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14616 is known to be false and true, respectively.
14618 2006-01-14 Richard Guenther <rguenther@suse.de>
14620 PR tree-optimization/22548
14621 PR tree-optimization/22555
14622 PR tree-optimization/22501
14623 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14624 * params.def (salias-max-array-elements): New parameter.
14625 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14626 * doc/invoke.texi (salias-max-array-elements): Document.
14627 * tree-flow-inline.h (var_can_have_subvars): We also handle
14629 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14631 * tree-ssa-structalias.c (params.h): Include.
14632 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14633 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14634 (get_constraint_for): For ADDR_EXPR operating on something
14635 containing an ARRAY_REF, add all subvars to the solution.
14636 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14637 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14638 for creating MUST_DEFs.
14639 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14641 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14643 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14645 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14646 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14647 number_of_iterations_le): New functions.
14648 (number_of_iterations_special): Removed.
14649 (number_of_iterations_exit): Do not use number_of_iterations_special.
14650 * tree.c (unsigned_type_for): Always return integer type.
14652 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14653 Richard Guenther <rguenther@suse.de>
14655 PR rtl-optimization/24257
14656 * gcse.c (find_moveable_store): Only consider a store movable
14657 when the SET_SRC of the insn can be assigned to a register.
14659 2006-01-14 Ian Lance Taylor <ian@airs.com>
14661 * tree.c (tree_not_class_check_failed): New function.
14662 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14663 (tree_not_class_check_failed): Declare.
14665 2006-01-13 Ian Lance Taylor <ian@airs.com>
14667 * reload1.c (do_output_reload): Add assertion rejecting a
14670 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14672 * combine.c (struct reg_stat): Add new fields truncation_label and
14674 (record_value_for_reg): Reset truncated_to_mode.
14675 (record_truncated_value): New function.
14676 (check_promoted_subreg): Call it. Rename to check_conversions.
14677 (combine_instructions): Rename check_promoted_subreg to
14679 (reg_truncated_to_mode): New function.
14680 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14681 (gen_lowpart_or_truncate): New function.
14682 (force_to_mode): Use it instead of gen_lowpart.
14684 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14686 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14687 VAR is a tag, not its type tag.
14689 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14691 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14692 alternatives to match style of other entries.
14693 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14695 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14697 PR tree-optimization/25771
14698 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14701 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14704 * tree-inline.c (declare_return_variable): If the return variable
14705 was marked as a non gimple complex, set the return slot variable
14706 to be a non gimple comple variable.
14708 2006-01-13 Richard Guenther <rguenther@suse.de>
14710 * builtins.c (expand_builtin_sincos): New function.
14711 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14713 (expand_builtin): Expand sincos using expand_builtin_sincos.
14715 2006-01-12 DJ Delorie <dj@redhat.com>
14717 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14718 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14719 so that constant shifts can be split.
14720 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14721 (m32c_valid_pointer_mode): Make static.
14722 (shift_gen_func_for): New.
14723 (m32c_prepare_shift): Use it. Split large const shifts into
14725 * config/m32c/predicates.md (shiftcount_operand): Allow more
14727 (longshiftcount_operand): New.
14728 * doc/md.texi (Machine Constraints): Document In6.
14730 2006-01-13 Ben Elliston <bje@au.ibm.com>
14732 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14733 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14736 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14738 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14739 to try to avoid clobbering pieces of structures when we know
14740 something about the whole structure.
14741 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14743 2006-01-13 Ben Elliston <bje@au.ibm.com>
14745 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14746 return in memory, as this is no limitation is no longer present.
14748 2006-01-12 DJ Delorie <dj@redhat.com>
14750 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14751 mova with fb, and for fb+0 -> An.
14753 * config/m32c/mov.md (peephole2): Fix enabling logic.
14755 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14756 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14757 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14758 FINI_ARRAY_SECTION_ASM_OP): Define.
14760 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14762 (m32c_legitimize_reload_address): New logic to reload FB to An.
14763 (m32c_output_reg_push): Add newline.
14764 (m32c_output_reg_pop): Likewise.
14766 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14768 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14770 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14772 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14774 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14776 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14779 2006-01-11 Ben Elliston <bje@au.ibm.com>
14781 * rtlanal.c (find_reg_note): Assert insn is not null.
14783 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14785 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14788 2006-01-11 Jeff Law <law@redhat.com>
14790 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14792 (mark_threaded_blocks, register_jump_thread): New functions.
14793 (thread_through_all_blocks): Remove unwanted argument. No
14794 longer rely on e->aux to communicate thread target info.
14795 Call mark_threaded_blocks. Release the threaded_blocks
14796 bitmap and threaded_edges vector when complete.
14797 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14798 (threaded_blocks): Remove.
14799 (tree_ssa_dominator_optimize): Remove initialization and
14800 finalization of threaded_blocks. Simplify call to
14801 thread_through_all_blocks.
14802 (thread_across_edge): Call register_jump_thread rather than
14803 storing thread information into e->aux.
14804 (free_all_edge_infos): Simplify now that e->aux is no longer
14805 used to communicate with thread_through_all_blocks.
14806 * tree-flow.h (thread_through_all_blocks): Update prototype.
14807 (register_jump_thread): Prototype.
14809 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14811 * df-core.c (df_compact_blocks, df_bb_replace): Use
14812 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14814 2006-01-11 Richard Guenther <rguenther@suse.de>
14816 PR tree-optimization/25734
14817 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14818 stop propagation after successful propagation to the LHS.
14820 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14822 * basic-block.h (control_flow_graph): Change the type of
14823 x_basic_block_info to VEC(basic_block,gc) *.
14824 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14826 (SET_BASIC_BLOCK): New.
14827 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14828 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14829 * cfgbuild.c (find_basic_blocks): Likewise.
14830 * cfglayout.c (fixup_reorder_chain): Likewise.
14831 * cfgrtl.c (create_basic_block_structure,
14832 rtl_create_basic_block): Likewise.
14833 * ifcvt.c (find_if_case_1): Likewise.
14834 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14837 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14839 * Makefile.in: Removed rotted odf.c entry.
14841 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14844 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14845 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14846 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14847 output pattern modifier, not %e.
14848 * config/cris/cris.c (cris_op_str): Update comment about pattern
14850 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14851 before falling through into...
14852 <case 'E'>: Redefined from old 'e' case.
14854 2006-01-11 Jan Hubicka <jh@suse.cz>
14857 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14859 2006-01-11 Jan Hubicka <jh@suse.cz>
14861 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14862 * i386.c (x86_decompose_lea): Kill.
14863 (ix86_rtx_costs): Kill.
14865 2006-01-11 Jan Hubicka <jh@suse.cz>
14867 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14868 * cgraph.h (cgraph_node): Add inline_decl.
14869 (cgraph_insert_node_to_hashtable): Declare.
14870 (save_inline_function_body): Declare.
14871 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14873 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14874 (cgraph_function_versioning): Update call of tree_function_versioning.
14875 (save_inline_function_body): New function.
14876 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14877 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14878 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14879 (cgraph_default_inline_p): Likewise.
14880 (cgraph_decide_inlining_incrementally): Likewise.
14881 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14882 (copy_bb): Kill saving; do updating of clones.
14883 (copy_cfg_body): Kill saving.
14884 (initialize_inlined-parameters): Likewise.
14885 (expand_call_inline): Likewise.
14887 (tree_function_versioning): New parameter "update_clones".
14888 (inlining_p): Kill saving.
14889 * tree-inline.h (tree_function_versioning): Update prototype.
14890 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14893 2006-01-11 Ian Lance Taylor <ian@airs.com>
14895 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14896 Allow undoing set of machine mode.
14897 (do_SUBST): Use enums instead of is_int.
14898 (do_SUBST_MODE): New function.
14899 (SUBST_MODE): New macro.
14900 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14901 reg and trying to replace reg_regno_rtx with a new register.
14902 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14903 (simplify_set): Use SUBST_MODE.
14904 (distribute_notes): Remove code that tried to update reg notes
14905 for regno_reg_rtx changes.
14907 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14909 PR tree-optimization/23109
14910 PR tree-optimization/23948
14911 PR tree-optimization/24123
14913 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14914 * tree-cfg.c (single_noncomplex_succ): New.
14915 * tree-flow.h (single_noncomplex_succ): Declare it.
14916 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14917 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14918 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14919 insert_bb, register_division_in, insert_reciprocals,
14920 replace_reciprocal, free_bb): New.
14921 (execute_cse_reciprocals_1): Rewritten.
14922 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14923 Do not commit any edge insertion. Always compute dominators and
14924 create the allocation pool.
14925 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14926 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14927 * targhooks.c (default_min_divistions_for_recip_mul): New.
14928 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14929 * passes.c (init_optimization_passes): Run recip after tree loop
14931 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14933 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14934 Kenneth Zadeck <zadeck@naturalbridge.com>
14936 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14937 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14938 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14939 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14940 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14941 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14942 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14943 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14944 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14945 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14946 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14947 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14948 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14949 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14950 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14951 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14952 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14953 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14954 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14955 DF_SCAN_POST_ALLOC): New macros.
14956 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14957 df_free_bb_function, df_local_compute_function, df_init_function,
14958 df_dataflow_function, df_confluence_function_0,
14959 df_confluence_function_n, df_transfer_function,
14960 df_finalizer_function, df_free_function, df_dump_problem_function,
14961 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14962 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14963 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14964 df_urec_bb_info, ) New types.
14965 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14967 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14968 df_analyze_simple_change_some_blocks,
14969 df_analyze_simple_change_one_block, df_compact_blocks,
14970 df_bb_replace, df_bb_regno_last_use_find,
14971 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14972 df_insn_regno_def_p, df_find_def, df_find_use,
14973 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14974 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14975 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14976 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14977 debug_df_chain, df_get_dependent_problem, df_chain_create,
14978 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14979 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14980 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14981 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14982 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14983 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14984 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14985 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14986 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14987 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14988 df_reorganize_refs, df_set_state, df_hard_reg_init,
14989 df_read_modify_subreg_p) New public functions.
14990 * df-core.c: The core dataflow solver and glue routines for rtl
14992 (df_init, df_add_problem, df_set_blocks, df_finish,
14993 df_hybrid_search_forward, df_hybrid_search_backward,
14994 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14995 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14996 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14997 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14998 df_reg_defined, df_find_use, df_reg_used, df_dump,
14999 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
15000 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
15001 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
15002 debug_df_useno, reset_df_after_reload): New functions.
15003 * df-scan.c: The scanning fuctions, once in df.c, completely
15004 rewritten so that they now fully model the functionality of
15005 register usage at the backend.
15006 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
15007 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
15008 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
15009 df_grow_insn_info, df_rescan_blocks, df_ref_create,
15010 df_get_artificial_defs, df_get_artificial_uses,
15011 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
15012 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
15013 df_refs_delete, df_reorganize_refs, df_set_state,
15014 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
15015 df_def_record_1, df_defs_record, df_uses_record,
15016 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
15017 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
15018 df_record_exit_block_uses, df_hard_reg_init): New functions.
15020 * df-problems.c: Seven concrete dataflow problems that use the
15021 scanning in df-scan.c and are solved by the engine in df-core.c.
15022 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
15023 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
15024 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
15025 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
15026 df_ru_free_bb_info, df_ru_alloc,
15027 df_ru_bb_local_compute_process_def,
15028 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
15029 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
15030 df_ru_transfer_function, df_ru_free, df_ru_dump,
15031 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
15032 df_rd_free_bb_info, df_rd_alloc,
15033 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
15034 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
15035 df_rd_transfer_function, df_rd_free, df_rd_dump,
15036 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
15037 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
15038 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
15039 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
15040 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
15041 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
15042 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
15043 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
15044 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
15045 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
15046 df_urec_mark_reg_change, df_urec_check_earlyclobber,
15047 df_urec_mark_reg_use_for_earlyclobber,
15048 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
15049 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
15050 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
15051 df_urec_dump, df_urec_add_problem, df_chain_alloc,
15052 df_chain_create_bb_process_use, df_chain_create_bb,
15053 df_chain_finalize, df_chain_free, df_chains_dump,
15054 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
15055 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
15056 df_reg_lifetime): New functions.
15057 * df.c: Deleted file.
15058 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
15059 consistent with new df api.
15060 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
15061 rest_of_handle_sms): Ditto.
15062 * web.c (unionfind_union, union_defs, entry_register, web_main):
15064 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
15065 invariant_expr_equal_p, find_defs, check_dependencies,
15066 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
15067 free_inv_motion_data, move_loop_invariants): Ditto.
15068 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15069 Update dependencies.
15070 (odf.c): Added defective entry that was deleted later in day.
15071 * sched-deps.c (sched_analyze_1): Ditto.
15073 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15075 * tree-ssa-operands.c (get_expr_operands): Record addressable
15076 variables directly. Do not call add_stmt_operands for CONST_DECLs
15078 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15079 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15081 2006-01-11 Ben Elliston <bje@au.ibm.com>
15083 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15084 function returns true in the positive case.
15086 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15089 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15090 for SI, DI, SF and DF modes. Add alternatives to copy between
15091 general and floating point registers to the 32-bit patterns.
15092 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15093 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15094 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15095 generating 64-bit code.
15096 * config/pa/pa.c (output_move_double): Handle copies between general
15097 and floating registers.
15099 2006-01-10 Stuart Hastings <stuart@apple.com>
15101 * config/i386/i386.md (set_got): Update.
15102 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15103 (builtin_setjmp_receiver): Mach-O support.
15104 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15105 (GOT_SYMBOL_NAME): Define.
15106 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15107 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15108 * config/i386/i386.c (override_options): Revise for Darwin.
15109 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15110 support. (darwin_x86_file_end): New. (output_set_got): Add label
15111 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15112 * config/i386/i386-protos.h (output_set_got): Likewise.
15113 * config/darwin.c (machopic_legitimize_pic_address): Update
15116 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15118 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15119 when MODE isn't BLKmode.
15121 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15123 PR rtl-optimization/25367
15124 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15126 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15129 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15130 for a negative bound.
15132 2006-01-10 Richard Guenther <rguenther@suse.de>
15134 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15135 Never override with anything constraint.
15137 2006-01-10 Jan Beulich <jbeulich@novell.com>
15139 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15140 256 bits when optimize_size.
15142 2006-01-10 Jan Beulich <jbeulich@novell.com>
15144 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15146 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15147 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15150 2006-01-10 Ben Elliston <bje@au.ibm.com>
15152 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15154 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15155 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15156 (USE_FP_FOR_ARG): Reject decimal float modes.
15157 (function_arg_advance): Likewise.
15158 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15159 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15160 point types in AltiVec vectors.
15161 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15162 (rs6000_libcall_value): Likewise.
15164 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15166 * config/xtensa/ieee754-df.S: New file.
15167 * config/xtensa/ieee754-sf.S: New file.
15168 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15169 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15170 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15172 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15174 * config/sh/predicates.md (binary_float_operator,
15175 binary_logical_operator, commutative_float_operator,
15176 equality_comparison_operator, greater_comparison_operator,
15177 less_comparison_operator, logical_operator,
15178 noncommutative_float_operator, shift_operator,
15179 symbol_ref_operand, unary_float_operator): Remove redundant
15182 2006-01-09 Jeff Law <law@redhat.com>
15184 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15185 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15186 now unused arguments. Callers updated.
15187 (eliminate_redundant_computations): Remove now unused arguments,
15189 (local_fold): Remove, no longer used.
15190 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15192 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15193 (simplify_cond): New function.
15194 (forward_propagate_into_cond): Call simplify_cond.
15196 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15198 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15199 (*vec_extractv2di_1_sse): New.
15201 2006-01-09 Ben Elliston <bje@au.ibm.com>
15203 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15205 2006-01-08 Richard Guenther <rguenther@suse.de>
15207 * tree-ssa-structalias.c (get_constraint_for): Remove
15208 anyoffset argument.
15209 (get_constraint_for_component_ref): Likewise.
15210 (do_deref): Likewise.
15211 (get_constraint_for): Likewise.
15212 (do_structure_copy): Likewise.
15213 (handle_ptr_arith): Likewise.
15214 (find_func_aliases): Likewise. Remove unused need_anyoffset
15217 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15218 Kaz Kojima <kkojima@gcc.gnu.org>
15220 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15221 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15222 (EXTRA_CONSTRAINT_C16): Remove.
15223 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15224 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15225 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15226 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15227 constants of SHmedia. Handle nested constant expressions of
15229 (andcosts): Fix the costs for SHmedia constants.
15230 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15231 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15232 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15233 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15234 (movv4hi_i, movv2si_i): Likewise.
15235 (movsi_const): Adjust the second operand of ior so to match with
15236 the Csu constraint.
15237 (movdi_const, movdi_const_32bit): Likewise.
15238 (movdi_const_16bit+1): Don't sign-extend LOW.
15239 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15241 (*double_shori): Fix the split condition. Use GEN_INT instead
15242 of get_int_mode calls. Mask lower 16-bit of the argument of
15244 (sym2GOTPLT): Remove.
15245 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15247 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15248 instead of EXTRA_CONSTRAINT_C16.
15250 2006-01-07 Ian Lance Taylor <ian@airs.com>
15251 David Edelsohn <edelsohn@gnu.org>
15253 PR rtl-optimization/25662
15254 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15255 for constant operands instead of simplify_gen_binary.
15256 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15257 after trying simplify_binary_operation
15259 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15261 * tree.c (iterative_hash_expr): Hash decls based on UID.
15263 2006-01-06 Eric Christopher <echristo@apple.com>
15265 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15266 (TARGET_UNWIND_EMIT): Fix spelling.
15267 * target.h (gcc_target): Add except_table_label.
15268 * except.c (output_function_exception_table): Use.
15269 * varasm.c (default_emit_except_table_label): New.
15270 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15272 (asm_out): Add here.
15273 * output.h (default_emit_except_table_label): Prototype.
15274 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15275 * config/darwin.c (darwin_emit_except_table_label): Define.
15276 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15278 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15280 PR tree-optimization/18527
15281 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15282 number_of_iterations_special, number_of_iterations_exit):
15283 Move base and step of an iv to a single structure. Add
15284 no_overflow flag, and use it in # of iterations analysis.
15285 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15286 folded_casts argument.
15287 (simple_iv): Pass base and step in a structure. Set no_overflow
15289 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15290 Evaluate expensiveness of computing # of iterations instead of
15291 the final expression.
15292 * tree-scalar-evolution.h (affine_iv): New structure.
15293 (simple_iv): Declaration changed.
15294 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15295 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15296 find_givs_in_stmt): Changed due to simple_iv change.
15298 2006-01-06 Jeff Law <law@redhat.com>
15301 * tree-cfg.c (bsi_replace): Rename final argument from
15302 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15303 change (stmt -> orig_stmt).
15304 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15305 (bsi_remove): Add new argument. Remove EH information
15307 (verify_eh_throw_table_statements): New function.
15308 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15310 * tree-optimize.c (execute_free_cfg_annotations): Verify
15311 the EH throw statement table after removing annotations.
15312 * except.h (verify_eh_throw_table_statements): Prototype.
15313 * tree-flow.h (bsi_remove): Update prototype.
15314 * tree-vrp.c (remove_range_assertions): Add new argument to
15316 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15317 * tree-complex.c (expand_complex_div_wide): Likewise.
15318 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15319 * tree-tailcall.c (eliminate_tailcall): Likewise.
15320 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15321 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15322 * tree-nrv.c (tree_nrv): Likewise.
15323 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15324 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15325 (combine_blocks): Likewise.
15326 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15327 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15328 (cleanup_control_flow): Likewise.
15329 (remove_forwarder_block): Likewise.
15330 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15331 * tree-sra.c (sra_replace): Likewise.
15332 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15333 (forward_propagate_single_use_vars): Likewise.
15334 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15335 * tree-inline.c (expand_call_inline): Likewise.
15336 * tree-vect-transform.c (vect_transform_loop): Likewise.
15337 * tree-outof-ssa.c (rewrite_trees): Likewise.
15338 * tree-cfg.c (make_goto_expr_edges): Likewise.
15339 (cleanup_dead_labels): Likewise.
15340 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15341 (bsi_move_before, bsi_move_after): Likewise.
15342 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15343 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15345 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15348 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15350 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15351 on non gimple variables. Also add checks at the top for decls and
15353 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15355 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15356 and IMAGPART_EXPR for creating MUST_DEFs.
15357 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15358 and NAME_MEMORY_TAG separately from the DECLs.
15360 2006-01-06 Richard Guenther <rguenther@suse.de>
15362 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15363 annotation, if necessary.
15364 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15365 redundant calls to update_stmt.
15366 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15369 2006-01-05 Richard Henderson <rth@redhat.com>
15371 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15373 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15375 * c-typeck.c: Update copyright date.
15377 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15379 * c-typeck.c (build_c_cast): Always warn when casting
15380 from a pointer to an integer of different size, even if
15381 the node was constant.
15383 2006-01-05 Richard Guenther <rguenther@suse.de>
15385 PR tree-optimization/22555
15386 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15387 if one structure field is an array.
15388 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15389 operands even if we found a subvar, but ignore VOPs in this
15391 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15393 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15395 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15397 PR middle-end/24998
15398 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15400 2006-01-05 Richard Guenther <rguenther@suse.de>
15401 Diego Novillo <dnovillo@redhat.com>
15403 * tree-pass.h (TODO_remove_unused_locals): Define.
15404 * gimple-low.c (expand_var_p, remove_useless_vars,
15405 pass_remove_useless_vars): Remove. Update all users.
15406 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15407 (remove_unused_locals): New function.
15408 * tree-flow.h (remove_unused_locals): Declare.
15409 * passes.c (execute_todo): Call remove_unused_locals if
15410 TODO_remove_unused_locals is set.
15411 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15412 * tree-ssa-dce.c (pass_dce): Likewise.
15413 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15415 2006-01-05 Richard Guenther <rguenther@suse.de>
15417 * tree-flow.h (struct fieldoff): Decompose field to
15418 type, size and decl.
15419 * tree-ssa-alias.c (create_sft): Take type as parameter.
15420 (create_overlap_variables_for): Store type, size and decl
15421 in the fieldoff structure.
15422 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15423 of struct fieldoff.
15424 (push_fields_onto_fieldstack): Likewise.
15425 (create_variable_info_for): Likewise. Use offset for the
15426 SFT name if the decl is not available.
15428 2006-01-04 Paul Brook <paul@codesourcery.com>
15430 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15432 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15434 * lambda-code.c (can_put_in_inner_loop): Relax
15436 (can_put_after_inner_loop): New function.
15437 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15438 (perfect_nestify): Change to make copies and modify uses.
15440 2006-01-04 Richard Henderson <rth@redhat.com>
15442 Merge from gomp branch:
15443 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15444 via integer constant.
15445 (pragma_lex): Remove.
15446 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15447 rather than parsing it.
15448 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15449 handle_pragma_extern_prefix): Add %< %> quotes.
15450 (registered_pragmas): New.
15451 (c_register_pragma_1): New.
15452 (c_register_pragma): Use it.
15453 (c_register_pragma_with_expansion): Likewise.
15454 (c_invoke_pragma_handler): New.
15455 (init_pragma): Use cpp_register_deferred_pragma directly for
15457 * c-pragma.h (enum pragma_kind): New.
15458 (pragma_handler): New.
15459 (c_invoke_pragma_handler): Declare.
15460 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15462 * c-common.h (c_common_pch_pragma): Update decl.
15463 * Makefile.in (c-parser.o): Update dependencies.
15464 (GTFILES): Add c-pragma.h.
15465 * c-parser.c (struct c_token): Add pragma_kind.
15466 (struct c_parser): Add in_pragma.
15467 (c_lex_one_token): Always initialize keyword and pragma_kind.
15468 Extract data for CPP_PRAGMA.
15469 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15470 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15471 Don't allow CPP_PRAGMA_EOL if in_pragma.
15472 (c_parser_consume_pragma): New.
15473 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15474 (c_parser_skip_to_end_of_parameter): Likewise.
15475 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15476 (c_parser_skip_to_pragma_eol): New.
15477 (c_parser_external_declaration): Handle CPP_PRAGMA.
15478 (c_parser_compound_statement_nostart): Likewise.
15479 (c_parser_statement_after_labels): Likewise.
15480 (c_parser_pragma): New.
15481 (pragma_lex): Likewise.
15482 (c_parser_pragma_pch_preprocess): New.
15483 (c_parser_new): Merge into ...
15484 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15486 2006-01-04 Jeff Law <law@redhat.com>
15489 * tree-cfg.c (bsi_replace): Remove the original statement
15490 from the EH throw statement table.
15492 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15494 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15495 make the prototype extern "C" and add throw ().
15498 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15499 and pos non-negative and pos + len <= 32.
15500 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15501 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15502 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15505 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15506 as well as sizes not multiple of component size.
15509 * function.c (instantiate_expr): New function.
15510 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15511 walk its DECL_VALUE_EXPR with instantiate_expr.
15513 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15514 DW_OP_deref{,_size} if address isn't going to be added.
15516 2006-01-04 Ben Elliston <bje@au.ibm.com>
15518 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15519 * config/fp-bit.c: Likewise.
15521 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15523 * dominance.c: Add comment about why we use DFS numbering
15526 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15527 Richard Henderson <rth@redhat.com>
15529 Merge from gomp-branch:
15530 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15531 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15533 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15535 PR rtl-optimization/25578
15536 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15537 pass a parameter to simplify_shift_const if changing ASHIFTRT
15540 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15542 * builtins.c (get_builtin_sync_mem): New function.
15543 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15544 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15545 Call get_builtin_sync_mem to generate mem rtx.
15547 2006-01-03 Richard Guenther <rguenther@suse.de>
15550 * stmt.c (add_case_node): Make sure to clear overflow flags
15553 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15555 Merge from gomp-branch.
15556 * config/sparc/sync.md: New file.
15557 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15558 UNSPECV_LDSTUB): New constants.
15559 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15560 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15561 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15564 2006-01-03 Roger Sayle <roger@eyesopen.com>
15566 * combine.c (reg_subword_p): New predicate to test whether the
15567 destination of a set refers to a subword/piece of a register.
15568 (try_combine): Generalize the code to merge the setting of a
15569 pseudo to a constant followed by a set of a subword of that
15570 register to a constant.
15572 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15574 * basic-block.h (control_flow_graph): Change the type of
15575 x_label_to_block_map to VEC(basic_block,gc) *.
15576 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15577 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15579 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15580 VEC(basic_block,heap) *.
15581 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15582 ssa_prop_fini): Adjust the uses of cfg_blocks.
15584 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15586 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15588 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15589 hashing trees instead of a pointer hash.
15590 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15591 compare for MEM_EXPR.
15593 PR rtl-optimization/25130
15594 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15595 when comparing MEMs for GCSE
15597 2006-01-03 Ben Elliston <bje@au.ibm.com>
15599 * targhooks.h (default_decimal_float_supported_p): Declare.
15600 * targhooks.c (default_decimal_float_supported_p): Define.
15601 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15602 `default_decimal_float_supported_p'.
15603 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15605 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15607 * combine.c (apply_distributive_law <SUBREG>): Check
15608 TRULY_NOOP_TRUNCATION.
15610 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15612 * dwarf2out.c (have_switched_text_section): Delete.
15613 (have_multiple_function_sections): New.
15614 (have_location_lists): Make 'bool'.
15615 (add_AT_loc_list): Use 'true' not '1'.
15616 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15617 (output_loc_list): Use have_multiple_function_sections.
15618 (output_ranges): Likewise.
15619 (dwarf2out_begin_function): Set have_multiple_function_sections if
15621 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15622 Check function_section rather than DECL_SECTION_NAME.
15623 (dwarf2out_finish): Use have_multiple_function_sections.
15624 Don't clear have_location_lists.
15626 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15627 Jan Hubicka <jh@suse.cz>
15629 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15630 case of conditional jump jumping to the next instruction.
15631 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15632 cases of conditional jump jumping to the next instruction.
15634 2006-01-02 Jan Hubicka <jh@suse.cz>
15636 * i386.c (*_cost): Add COSTS_N_INSNS.
15637 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15639 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15642 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15644 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15646 * config/arm/arm.c (all_fpus): Fix comment typo.
15647 * config/darwin.c: Likewise.
15648 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15649 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15650 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15652 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15654 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15655 (rs6000_split_compare_and_swapqhi): New.
15656 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15657 (sync_compare_and_swapqhi_internal): New.
15658 * config/rs6000/rs6000-protos.h: Declare.