1 2006-10-06 Jakub Jelinek <jakub@redhat.com>
3 PR tree-optimization/29330
4 * tree-data-ref.c (free_data_ref): Use DR_FREE_ACCESS_FNS macro.
5 (initialize_data_dependence_relation): Clear DDR_LOOP_NEST pointer
6 on newly allocated ddrs.
7 (find_loop_nest_1, find_loop_nest): Change LOOP_NEST to a pointer
8 to VEC (loop_p, heap) pointer.
9 (compute_data_dependences_for_loop): Adjust caller.
10 (free_dependence_relations): Free DDR_LOOP_NEST.
12 * tree-loop-linear.c (linear_transform_loops): Don't forget to
13 free DEPENDENCE_RELATIONS and DATAREFS.
16 * builtins.c (expand_builtin_sync_operation,
17 expand_builtin_compare_and_swap, expand_builtin_lock_test_and_set):
18 Use convert_to_mode to handle promoted arguments.
20 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
22 * print-tree.c (print_node_brief, print_node): Print sign of Inf.
24 2006-10-06 J"orn Rennecke <joern.rennecke@st.com>
26 * config/sh/sh.h (LIBGCC2_DOUBLE_TYPE_SIZE): Define.
28 2006-10-05 Uros Bizjak <uros@kss-loka.si>
30 * config/i386/sync.md ("sync_add<mode>", "sync_sub<mode>",
31 "sync_ior<mode>", "sync_and<mode>", "sync_xor<mode>"):
32 Use <modeconstraint> instead of "r" as operand 1 constraint.
34 2006-10-06 Olivier Hainque <hainque@adacore.com>
36 * gimplify.c (gimplify_type_sizes) [POINTER_TYPE, REFERENCE_TYPE]:
37 Don't recurse on the pointed-to type.
38 * c-decl.c (grokdeclarator) [cdk_pointer]: If we are in a NORMAL or
39 DECL context, attach an artificial TYPE_DECL to anonymous pointed-to
40 types with components of variable size.
42 2006-10-06 Danny Smith <dannysmith@users.sourceforge.net>
44 config/i386/mingw32.h (GOMP_SELF_SPECS): Add -mthreads for openmp.
46 2006-10-06 Jakub Jelinek <jakub@redhat.com>
48 PR tree-optimization/29290
49 * tree-loop-linear.c (linear_transform_loops): Bail if loop_nest has
53 * config/i386/i386.c (legitimize_pic_address): Reject TLS symbols.
54 * config/i386/predicates.md (local_symbolic_operand): Likewise.
57 * varasm.c (output_constant): If TREE_VECTOR_CST_ELTS chain is shorter than
58 the number of vector elements fill the rest with zeros.
60 2006-10-05 Richard Sandiford <richard@codesourcery.com>
62 * config/mips/mips.c (mips_pass_by_reference): Do not return false
63 for EABI if type is NULL. Use a size check based on GET_MODE_SIZE
66 2006-10-05 Bernd Schmidt <bernd.schmidt@analog.com>
68 * config/bfin/bfin.md (subsi3): Lose expander, change previously
69 unnamed pattern into subsi3. Use correct constraints/predicates.
70 * config/bfin/bfin.h (CONST_OK_FOR_K): Handle "KN7".
71 * config/bfin/predicates.md (reg_or_neg7bit_operand_p): New.
73 2006-10-05 Ira Rosen <irar@il.ibm.com>
75 * doc/loop.texi: Add data references analysis description.
77 2006-10-04 Brooks Moses <bmoses@stanford.edu>
79 * doc/gcov.texi: Add formatting to "Invoking gcov" section head.
81 2006-10-04 Richard Henderson <rth@redhat.com>
82 Jakub Jelinek <jakub@redhat.com>
84 * Makefile.in (libgcc.mk, LIBGCC_DEPS): Add emutls.c.
85 * builtin-types.def (BT_WORD): Make unsigned.
86 (BT_FN_VOID_PTR_WORD_WORD_PTR): New.
87 * builtins.def (BUILT_IN_EMUTLS_GET_ADDRESS): New.
88 (BUILT_IN_EMUTLS_REGISTER_COMMON): New.
89 * c-decl.c (grokdeclarator): Don't error if !have_tls.
90 * c-parser.c (c_parser_omp_threadprivate): Likewise.
91 * cgraph.c (decide_is_variable_needed): Look at force_output.
92 Recurse for emulated tls.
93 * cgraphunit.c (cgraph_varpool_remove_unreferenced_decls): Remove
94 checks redundant with decide_is_variable_needed.
95 (cgraph_build_static_cdtor): Do cgraph_varpool_assemble_pending_decls.
96 * dwarf2out.c (loc_descriptor_from_tree_1): Don't do anything for
98 * expr.c (emutls_var_address): New.
99 (expand_expr_real_1): Expand emulated tls.
100 (expand_expr_addr_expr_1): Likewise.
101 * libgcc-std.ver: Add __emutls_get_address, __emutls_register_common.
102 * output.h (emutls_finish): Declare.
103 * toplev.c (compile_file): Call it.
104 * tree-ssa-address.c (gen_addr_rtx): Check for const-ness of the
105 address before wrapping in CONST.
106 * varasm.c (emutls_htab, emutls_object_type): New.
107 (EMUTLS_VAR_PREFIX, EMUTLS_TMPL_PREFIX): New.
108 (get_emutls_object_name, get_emutls_object_type): New.
109 (get_emutls_init_templ_addr, emutls_decl): New.
110 (emutls_common_1, emutls_finish): New.
111 (assemble_variable): When emulating tls, swap decls; generate
112 constructor for the emutls objects.
113 (do_assemble_alias): When emulating tls, swap decl and target name.
114 (default_encode_section_info): Don't add SYMBOL_FLAG_TLS_SHIFT
116 * emutls.c: New file.
117 * config/sparc/sol2.h (ASM_DECLARE_OBJECT_NAME): Only emit
118 tls_object for real tls.
120 2006-10-04 Zack Weinberg <zackw@panix.com>
122 Fix bug in constraint-check generator, reported by Rask Ingemann
124 * genpreds.c (add_constraint): Don't remove anything from the
126 (write_tm_constrs_h): Detect whether "op" argument is used, and
127 mark it ARG_UNUSED if it isn't.
128 (write_insn_const_int_ok_for_constraint): Skip the part of the
129 expression that would test whether "op" (which is not available
130 here) is a CONST_INT.
132 2006-10-04 Ryan Mansfield <rmansfield@qnx.com>
135 * doc/invoke.texi (fdiagnostics-show-option): Fix typos.
137 2006-10-03 Geoffrey Keating <geoffk@apple.com>
139 * config/i386/darwin-libgcc.10.5.ver: Update to symbol list for
140 current Leopard versions.
141 * config/rs6000/darwin-libgcc.10.5.ver: Likewise.
143 2006-10-03 Kazu Hirata <kazu@codesourcery.com>
145 * doc/install.texi: Fix typos.
147 2006-10-03 Eric Botcazou <ebotcazou@libertysurf.fr>
149 * builtins.c (expand_builtin_return_addr): Deal with FRAME_ADDR_RTX.
150 * doc/tm.texi (Basic Stack Layout): Document FRAME_ADDR_RTX.
151 * config/sparc/sparc.h (FRAME_ADDR_RTX): Define.
153 2006-10-02 Jack Howarth <howarth@bromo.med.uc.edu>
155 * unwind-dw2-fde-darwin.c (getsectdatafromheader_64): Fix first
156 arg to be struct mach_header_64* instead.
158 2006-10-02 Jakub Jelinek <jakub@redhat.com>
161 * gimplify.c (gimplify_self_mod_expr): Run inner expression's post
162 side effects after the outer expression's post side effects.
164 2006-10-01 Sandra Loosemore <sandra@codesourcery.com>
166 * tree.h (DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET): Fix
167 comments to reflect actual behavior and relationship between
168 DECL_FIELD_OFFSET, DECL_FIELD_BIT_OFFSET, and DECL_OFFSET_ALIGN.
170 * doc/c-tree.texi (Working with declarations): Fix documentation
171 of FIELD_DECL likewise.
173 2006-10-01 Ryan Mansfield <rmansfield@qnx.com>
176 * doc/extend.texi: Add used variable attribute description.
178 2006-09-30 Joseph S. Myers <joseph@codesourcery.com>
181 * c.opt (Woverride-init): New.
182 * c-opts.c (c_common_post_options): Default warn_override_init to
184 * c-typeck.c (add_pending_init, output_init_element): Warn for
185 overriding initializers without side effects.
186 * doc/invoke.texi (-Woverride-init): Document.
189 2006-09-30 Eric Botcazou <ebotcazou@libertysurf.fr>
191 PR rtl-optimization/28096
192 * ifcvt.c (check_cond_move_block): Return FALSE if the source of an
193 assignment has already been used as a destination earlier in the block.
195 2006-09-29 Eric Botcazou <ebotcazou@adacore.com>
197 * builtins.c (expand_builtin_setjmp): Delete.
198 (expand_builtin) <BUILT_IN_SETJMP>: Mark as unreachable.
199 <BUILT_IN_SETJMP_SETUP>: New case.
200 <BUILT_IN_SETJMP_DISPATCHER>: Likewise.
201 <BUILT_IN_SETJMP_RECEIVER>: Likewise.
202 * builtins.def (BUILT_IN_SETJMP_SETUP): New built-in stub.
203 (BUILT_IN_SETJMP_DISPATCHER): Likewise.
204 (BUILT_IN_SETJMP_RECEIVER): Likewise.
205 * gimple-low.c (struct lower_data): New field calls_builtin_setjmp.
206 (lower_function_body): Initialize it to false. If it is set to true
207 at the end of the processing, emit the setjmp dispatcher.
208 (lower_stmt) <CALL_EXPR>: Invoke lower_builtin_setjmp if the callee
209 is __builtin_setjmp and set calls_builtin_setjmp to true as well.
210 <MODIFY_EXPR>: Fall through to above case if there is a CALL_EXPR
211 on the rhs of the assignment.
212 (lower_builtin_setjmp): New function.
213 * tree.c (build_common_builtin_nodes): Build BUILT_IN_SETJMP_SETUP,
214 BUILT_IN_SETJMP_DISPATCHER and BUILT_IN_SETJMP_RECEIVER nodes.
215 * tree-cfg.c (make_exit_edges) <CALL_EXPR>: Use specific predicate
216 to detect calls that can go to non-local labels. Use specific
217 helper to create the abnormal edges associated with them.
218 <MODIFY_EXPR>: Likewise.
219 (make_abnormal_goto_edges): New function extracted from...
220 (make_goto_expr_edges): ...here. Call it for computed gotos.
221 (simple_goto_p): Minor tweak.
222 (tree_can_make_abnormal_goto): New predicate.
223 (tree_redirect_edge_and_branch): Return zero on all abnormal edges.
224 (tree_purge_dead_abnormal_call_edges): New function.
225 * tree-flow.h (tree_can_make_abnormal_goto): Declare.
226 (tree_purge_dead_abnormal_call_edges): Likewise.
227 (make_abnormal_goto_edges): Likewise.
228 * tree-inline.c (expand_call_inline): Simplify statement frobbing.
229 Purge all dead abnormal edges if the call was in the last statement.
230 * tree-optimize.c (has_abnormal_outgoing_edge_p): New predicate.
231 (execute_fixup_cfg): If there are non-local labels in the function,
232 scan the basic blocks and split them at calls that can go to non-local
233 labels or add missing abnormal call edges. Write down the CFG in the
235 (pass_fixup_cfg): Remove TODO_dump_func flag.
236 * unwind-sjlj.c: Poison setjmp.
237 * doc/install.texi (enable-sjlj-exceptions): Use more general wording.
238 * doc/tm.texi (DWARF2_UNWIND_INFO): Likewise.
239 (TARGET_UNWIND_TABLES_DEFAULT): Fix typo.
240 (DONT_USE_BUILTIN_SETJMP): Document it.
242 2006-09-28 Geoffrey Keating <geoffk@apple.com>
245 * config/rs6000/rs6000.h [IN_LIBGCC2] (TARGET_POWERPC64): Define
246 to 1 when __ppc64__ is defined.
247 * config/rs6000/t-darwin (LIB2FUNCS_EXTRA): Add ppc64-fp.c and
249 * config/rs6000/ppc64-fp.c: Also compile when __ppc64__ is defined.
251 2006-09-28 Steve Ellcey <sje@cup.hp.com>
253 * config/ia64/t-hpux (LIB2FUNCS_EXTRA): Remove unwind-hpux.c.
254 * config/ia64/unwind-hpux.c: Delete.
256 2006-09-28 Eric Botcazou <ebotcazou@adacore.com>
258 * gimplify.c (gimplify_init_ctor_preeval): Call maybe_with_size_expr
259 on the element before gimplifying it, instead of punting if it is of
262 2006-09-28 Zdenek Dvorak <dvorakz@suse.cz>
264 * doc/loop.texi: New file.
265 * doc/gccint.texi: Reference loop.texi.
266 * Makefile.in (loop.texi): Add.
268 2006-09-27 Geoffrey Keating <geoffk@apple.com>
270 * config/darwin.h (ENABLE_EXECUTE_STACK): New, use getpagesize not
272 * config/rs6000/darwin.h (ENABLE_EXECUTE_STACK): Remove.
273 * config/i386/darwin.h (ENABLE_EXECUTE_STACK): Remove.
275 2006-09-28 Kaz Kojima <kkojima@gcc.gnu.org>
277 * config/sh/sh.md (divsi_inv_m0): Remove unused variable.
279 2006-09-27 Steven G. Kargl <kargl@gcc.gnu.org>
281 * doc/install.texi: Document required versions of GMP and MPFR.
283 2006-09-27 Paul Brook <paul@codesourcery.com>
286 * config/arm/arm.md (arith_adjacentmem): Handle large offsets.
288 2006-09-27 Richard Sandiford <richard@codesourcery.com>
290 * reload1.c (alter_reg): Require the alignment of the stack slot to
291 be at least reg_max_ref_width bytes.
292 (scan_paradoxical_subregs): Record the largest width in
295 2006-09-26 Jakub Jelinek <jakub@redhat.com>
299 * tree-nested.c (struct nesting_info): Added static_chain_added.
300 (convert_call_expr): Set static_chain_added when adding static
301 chain. Handle OMP_PARALLEL and OMP_SECTION.
303 2006-09-25 Matthias Klose <doko@debian.org>
305 * doc/invoke.texi: Add missing full stop.
307 2006-09-25 Richard Henderson <rth@redhat.com>
309 * cgraph.c (dump_cgraph_varpool_node): Don't crash if called
310 before cgraph_function_flags_ready.
312 2006-09-24 Zdenek Dvorak <dvorakz@suse.cz>
313 Adam Nemet <anemet@caviumnetworks.com>
315 * tree-ssa-loop-ivopts.c (aff_combination_convert,
316 determine_common_wider_type): New functions.
317 (get_computation_aff): Use them to simplify arithmetic between
318 UBASE and CBASE if they are shortened from the same type.
320 2006-09-24 Kazu Hirata <kazu@codesourcery.com>
323 * config/m68k/m68k.md (negsf2, negdf2, negxf2): Use
324 -2147483647 - 1 instead of 0x80000000.
326 2006-09-23 Revital1 Eres <ERES@il.ibm.com>
328 * flags.h (HONOR_NANS): Fix typo in comment.
330 2006-09-23 Uros Bizjak <uros@kss-loka.si>
332 * config/i386/driver-i386.c (host_detect_local_cpu): Add prototype.
334 2006-09-23 Jakub Jelinek <jakub@redhat.com>
338 * tree.c (merge_attributes, attribute_list_contained): If both
339 TREE_VALUEs are TREE_LISTs, use simple_cst_list_equal instead of
341 * c-typeck.c (comptypes_internal): Don't consider aggregates
342 in different TUs as compatible if there one set of attributes is
343 not a subset of the other type's attributes.
344 (composite_type): Try harder not to create a new aggregate type.
346 2006-09-22 Geoffrey Keating <geoffk@apple.com>
348 * config/i386/driver-i386.c: Always define host_detect_local_cpu.
349 * config/i386/i386.h: Define EXTRA_SPEC_FUNCTIONS on any i386
350 or x86_64 host. Define HAVE_LOCAL_CPU_DETECT.
351 (CC1_CPU_SPEC): Make conditional on HAVE_LOCAL_CPU_DETECT rather
352 than replicating condition above.
353 * config.host (i[34567]86-*-*): Always use driver-i386.o.
355 * config/darwin.h (LINK_SYSROOT_SPEC): New.
356 (LINK_SPEC): If TARGET_SYSTEM_ROOT is defined, pass it to
357 the linker by default.
359 2006-09-22 Mike Stump <mrs@apple.com>
361 * config/rs6000/darwin.h (PROFILE_HOOK): Reassociate comment with
364 2006-09-22 Richard Guenther <rguenther@suse.de>
367 * cfgexpand.c (stack_var_size_cmp): Use DECL_UID to make
368 sort of stack variables stable.
370 2006-09-22 Peter Bergner <bergner@vnet.ibm.com>
373 * explow.c (force_reg): Set REG_POINTER flag according to
376 2006-09-22 Zdenek Dvorak <dvorakz@suse.cz>
378 PR tree-optimization/28888
379 * tree-if-conv.c (combine_blocks): Rewritten.
380 * tree-cfg.c (tree_verify_flow_info): Check that edges with
381 EDGE_TRUE/FALSE_VALUE follow COND_EXPR.
383 2006-09-22 Jakub Jelinek <jakub@redhat.com>
385 * tree-ssa-propagate.c (set_rhs): Copy EXPR_LOCATION if
388 2006-09-21 Richard Sandiford <richard@codesourcery.com>
390 * varasm.c (copy_constant): Fix reversed gcc_assert check.
392 2006-09-21 Janis Johnson <janis187@us.ibm.com>
394 * ginclude/decfloat.h (DEC*_DEN): Define using the correct builtins.
396 2006-09-21 Roger Sayle <roger@eyesopen.com>
399 * dwarf2out.c (dwarf2out_begin_prologue): Initialise the current label,
400 dw_fde_current_label, to be the start of the function, i.e. the same
401 value as dw_fde_begin.
403 2006-09-20 Richard Sandiford <richard@codesourcery.com>
405 * config/mips/mips.c (CODE_FOR_mips_abs_ps): Delete.
406 * config/mips/mips.md (UNSPEC_ABS_PS): New constant.
407 (UNSPEC_RSQRT1, UNSPEC_RSQRT2, UNSPEC_RECIP1, UNSPEC_RECIP2)
408 (UNSPEC_SINGLE_CC, UNSPEC_SCC): Bump values by 1.
409 (*nmadd<mode>, *nmadd<mode>_fastmath): Require !HONOR_NANS.
410 (*nmsub<mode>, *nmsub<mode>_fastmath): Likewise.
411 (abs<mode>2, neg<mode>2): Likewise.
412 * config/mips/mips-ps-3d.md (mips_abs_ps): New define_expand.
413 (*mips_abs_ps): New define_insn.
415 2006-09-20 Josh Conner <jconner@apple.com>
418 * calls.c (expand_call): Allow reuse of structure return stack
421 2006-09-20 Paul Brook <paul@codesourcery.com>
423 * config/arm/unwind-arm.c (selfrel_offset31): Clear top bit for
426 2006-09-20 Janis Johnson <janis187@us.ibm.com>
428 * doc/extend.texi (Decimal Float): Update for latest draft TR,
429 clean up terminology.
431 2006-09-20 Steve Ellcey <sje@cup.hp.com>
434 * ifcvt.c (dead_or_predicable): Don't predicate then blocks
435 with tablejumps in them.
437 2006-09-20 Jakub Jelinek <jakub@redhat.com>
440 * c-omp.c (c_finish_omp_atomic): If ADDR is not simple enough,
441 wrap it into TARGET_EXPR.
443 2006-09-20 Eric Christopher <echristo@apple.com>
445 * config/i386/i386.c (x86_fisttp): Remove.
446 * config/i386/i386.h (x86_fisttp): Ditto.
447 (TARGET_FISTTP): Ditto.
449 2006-09-19 Eric Christopher <echristo@apple.com>
451 * doc/tm.texi (OBJC_JBLEN): Describe.
452 * config/i386/darwin.h (OBJC_JBLEN): Define.
453 * config/rs6000/darwin.h: Ditto.
455 2006-09-19 Steven Bosscher <steven@gcc.gnu.org>
457 PR rtl-optimization/21299
458 * reload1.c (reload): Purge invalid ASMs in the final pass.
460 2006-09-19 Steve Ellcey <sje@cup.hp.com>
463 * config/ia64/ia64.c (ia64_legitimate_constant_p): Allow function
464 pointers as legitimate constants.
466 2006-09-19 Paul Brook <paul@codesourcery.com>
469 * config/arm/arm.c (arm_unwind_emit_set): Handle reg = sp + const.
471 2006-09-17 Zdenek Dvorak <dvorakz@suse.cz>
473 PR tree-optimization/28887
474 * tree-ssa-loop-prefetch.c (analyze_ref): Strip nonaddressable
475 component parts from the reference.
476 (gather_memory_references_ref): Record the reference without the
477 nonaddressable component parts.
479 2006-09-17 Steven Bosscher <steven@gcc.gnu.org>
482 * c-opts.c (c_common_handle_option): Ignore the -std options
483 if the input language is assembly.
485 2006-09-17 Ira Rosen <irar@il.ibm.com>
488 * tree-data-ref.c (ptr_decl_may_alias_p): Look for the name memory
490 (ptr_ptr_may_alias_p): Likewise.
491 (record_record_differ_p): New function.
492 (base_object_differ_p): Call record_record_differ_p.
494 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
497 * tree-ssa-propagate.c (set_rhs): Reject MODIFY_EXPR right
498 away for the expr argument.
500 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
503 * tree-vectorizer.c (vectorize_loops): Clear vect_loop_location
504 before using it for dumping after vectorizing loops.
506 2006-09-16 Andrew Pinski <pinskia@physics.uc.edu>
507 Jack Howarth <howarth@bromo.med.uc.edu>
510 * config/rs6000/rs6000.c (rs6000_darwin64_record_arg_advance_recurse)
511 skip on error_mark_node.
512 (rs6000_darwin64_record_arg_recurse): Likewise.
514 2006-09-16 Steven Bosscher <steven@gcc.gnu.org>
516 * rtl.h (LABEL_OUTSIDE_LOOP_P): Remove.
517 * doc/rtl.texi: Remove related documentation.
519 2006-09-16 Bernd Schmidt <bernd.schmidt@analog.com>
521 * loop-doloop.c (doloop_optimize): Remove bogus arg from debugging
524 2006-09-15 Jim Wilson <wilson@specifix.com>
526 * config/ia64/ia64.c (ia64_legitimate_constant_p, cast CONST):
527 Handle symbol offsets same as they are handled in ia64_expand_move
530 2006-09-16 Andreas Tobler <a.tobler@schweiz.org>
532 * loop-doloop.c (doloop_optimize): Change type of max_cost to int.
533 Add forgotten parameter to the fprintf call.
535 2006-09-15 Steve Ellcey <sje@cup.hp.com>
537 * config/ia64/hpux.h (HANDLE_PRAGMA_PACK_PUSH_POP): Add define.
539 2006-09-15 Uros Bizjak <uros@kss-loka.si>
541 * doc/contrib.texi: Add my entry.
543 2006-09-15 Nick Clifton <nickc@redhat.com>
545 * doc/md.texi (Processor pipeline description): Fix typo in
546 example of how to use the absence_set directive and reword the
547 description to make it slightly easier to read.
549 2006-09-15 Bernd Schmidt <bernd.schmidt@analog.com>
551 * params.def (PARAM_MAX_ITERATIONS_COMPUTATION_COST): New.
552 * loop-doloop.c (doloop_optimize): Use it to limit costs of
553 expanding the number of iterations.
554 * config/bfin/bfin.c (bfin_rtx_costs): Handle UDIV, UMOD.
556 * cfgrtl.c (emit_insn_at_entry): New function.
557 * rtl.h (emit_insn_at_entry): Declare it.
558 * integrate.c (emit_initial_value_sets): Use it.
560 * cfgrtl.c (emit_insn_at_entry): Use gcc_assert, not abort.
562 * config/bfin/bfin.c (struct loop_info): New members block_bitmap and
564 (struct loop_work and related VEC declarations): Delete.
565 (bfin_dump_loops): Print out new member bad.
566 (bfin_bb_in_loop): Use plain bitmap test. Don't recurse.
567 (bfin_scan_loop): Don't recurse.
568 (bfin_optimize_loop): Don't use a loop depth of -1 to indicate bad
569 loops. No longer need to update outer loops if the current one is
570 found bad. Move some validitiy checks to bfin_discover_loop.
571 (bfin_discover_loop): New function, mostly split from bfin_reorg_loops,
572 but changed not to check for nesting. Also changed to use the new bad
574 (bfin_reorg_loops): Use bfin_discover_loop to find single loops one at a
575 time. Use bitmap based test to discover loop nesting.
577 2006-09-15 Kazu Hirata <kazu@codesourcery.com>
579 * doc/tm.texi (TARGET_FUNCTION_VALUE): Put @deftypefn all in
582 2006-09-14 Richard Guenther <rguenther@suse.de>
583 Kazu Hirata <kazu@codesourcery.com>
586 * doc/tm.texi (TARGET_FUNCTION_VALUE): Document.
587 (FUNCTION_VALUE, FUNCTION_OUTGOING_VALUE): Deprecate.
588 Replace mentions of FUNCTION_VALUE and FUNCTION_OUTGOING_VALUE
589 with TARGET_FUNCTION_VALUE.
591 2006-09-14 Anatoly Sokolov <aesok@post.ru>
594 * config/avr/avr.h (FRAME_POINTER_CFA_OFFSET): Define.
596 2006-09-13 Aldy Hernandez <aldyh@redhat.com>
598 * doc/tree-ssa.texi (Jumps): RESULT_DECL can also be an operand
601 2006-09-13 Andrew Pinski <pinskia@physics.uc.edu>
604 * dwarf2out.c (loc_descriptor_from_tree_1): Handle
607 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
609 * basic_block.h (bb_has_eh_pred): Fix comment.
611 2006-09-13 Andreas Krebbel <krebbel1@de.ibm.com>
613 * flow.c (calculate_global_regs_live): Invalidate eh registers
614 on eh edges. Renamed invalidated_by_call to invalidated_by_eh_edge.
615 (propagate_block): Handle eh registers as if they were set at basic
617 * except.c (dw2_build_landing_pads): Don't emit clobbers for eh
619 * global.c (global_conflicts): Make eh registers to conflict with
620 pseudos live at basic block begin.
621 * basic_block.h (bb_has_eh_pred): New function.
623 2006-09-13 Richard Sandiford <richard@codesourcery.com>
625 PR rtl-optimization/28982
626 * reload.c (find_reloads_address_1): Use RELOAD_OTHER for the
627 index of a PRE_MODIFY or POST_MODIFY address.
628 * reload1.c (inc_for_reload): Use find_replacement on the original
629 base and index registers.
631 2006-09-12 H.J. Lu <hongjiu.lu@intel.com>
633 * doc/invoke.texi (mpreferred-stack-boundary): Remove exception
634 for -Os. Update __m128 alignment requirement.
636 2006-09-13 Jan Hubicka <jh@suse.cz>
638 * cfganal.c (compute_dominance_frontiers_1): Don't be quadratic.
640 2006-09-12 Eric Botcazou <ebotcazou@libertysurf.fr>
642 PR rtl-optimization/28243
643 * combine.c (distribute_notes) <REG_DEAD>: Do not consider SETs past
644 the insn to which the note was originally attached.
646 2006-09-12 Andrew Pinski <pinskia@physics.uc.edu>
647 Roger Sayle <roger@eyesopen.com>
649 * dwarf2out.c (file_table_last_lookup): Move this GC'd declaration
650 outside of #ifdef DWARF2_DEBUGGING_INFO to fix bootstrap failure
651 on platforms that don't use dwarf for debug info.
653 2006-09-12 Jason Merrill <jason@redhat.com>
656 * builtins.c (expand_builtin_setjmp_receiver): Clobber
657 hard_frame_pointer_rtx after using it to update the frame pointer.
659 2006-09-12 Roger Sayle <roger@eyesopen.com>
661 * target-def.h (TARGET_ASM_OPEN_PAREN): Guard with an #ifndef.
662 (TARGET_ASM_CLOSE_PAREN): Likewise.
663 * config/alpha/osf5.h (TARGET_ASM_OPEN_PAREN): Define.
664 (TARGET_ASM_CLOSE_PAREN): Likewise.
666 2006-09-12 Roger Sayle <roger@eyesopen.com>
669 * config/alpha/alpha.c (alpha_start_function): Don't emit stack
670 frame information for frames larger than 512 Kbytes on Tru64 when
671 using the native assembler.
673 2006-09-12 Roger Sayle <roger@eyesopen.com>
677 * cselib.c (cselib_hash_rtx): Avoid hashing on the address of labels
678 and symbols. Instead use the implementation from cse.c's hash_rtx.
680 2006-09-12 Jan Hubicka <jh@suse.cz>
682 PR rtl-optimization/28071
683 * tree-vect-transform.c (vect_create_data_ref_ptr): Kill cast.
684 (vect_transform_loop): Likewise.
685 * tree-vectorizer.c (new_loop_vec_info): Likewise.
686 (new_loop_vec_info): Likewise.
687 (destroy_loop_vec_info): Likewise.
688 * tree-dfa.c (create_var_ann): Use GCC_CNEW.
689 (create_stmt_ann): Likewise.
690 (create_tree_ann): Rename to ...
691 (create_tree_common_ann): ... this one; allocate only the common part
693 * tree-vn.c (set_value_handle): Use get_tree_common_ann.
694 (get_value_handle): Likewise.
695 * tree-ssa-pre.c (phi_translate): Delay annotation allocation for
697 * tree-vectorizer.h (set_stmt_info): Take stmt annotation.
698 (vinfo_for_stmt): Use stmt annotations.
699 * tree-flow.h (tree_ann_common_t): New type.
700 (tree_common_ann, get_tree_common_ann, create_tree_common_ann): New.
701 (tree_ann, get_tree_ann, create_tree_ann): New.
702 * tree-flow-inline.h (get_function_ann): Do more type checking.
703 (stmt_ann): Likewise.
704 (tree_ann): Rename to ...
705 (tree_common_ann): ... this one; return ony common_ann
706 (get_tree_ann): Rename to ...
707 (tree_common_ann): This one; return only common_ann.
708 * tree-vect-patterns.c (vect_pattern_recog_1): Update call
711 2006-09-11 Geoffrey Keating <geoffk@apple.com>
713 * config.gcc (i[34567]86-*-darwin*): Set with_arch and
716 * dwarf2out.c (dwarf_file_data): New.
717 (enum dw_val_class): Add dw_val_class_file.
718 (struct dw_val_struct): Add val_file.
719 (file_table): Change to a hash table.
720 (file_table_emitted): Delete.
721 (file_table_last_lookup_index): Delete.
723 (last_emitted_file): New.
724 (lookup_filename): Change prototype to return a struct dwarf_file_data.
725 (init_file_table): Delete.
726 (maybe_emit_file): Change prototype to take a struct dwarf_file_data.
727 (AT_addr): Add comment.
731 (print_die): Handle dw_val_class_file.
732 (print_dwarf_line_table): Update for new file table structure.
733 (attr_checksum): Do checksum a filename.
734 (same_dw_val_p, same_attr_p): Do compare a filename.
735 (size_of_die): Handle dw_val_class_file.
736 (value_format): Likewise.
737 (output_die): Likewise. Also, call maybe_emit_file here.
738 (struct file_info): Constify filenames. Make file_idx a pointer
739 to a struct dwarf_file_data.
740 (struct dir_info): Constify directory names. Remove 'used' field.
741 (struct file_name_acquire_data): New.
742 (file_name_acquire): New.
743 (output_file_names): Modify to handle new file data structures.
744 (add_src_coords_attributes): Use add_AT_file.
745 (add_call_src_coords_attributes): Likewise.
746 (dwarf2out_imported_module_or_decl): Likewise.
747 (gen_subprogram_die): Modify for new file data structures.
748 (gen_variable_die): Likewise.
749 (file_table_eq): New.
750 (file_table_hash): New.
751 (file_table_last_lookup): New.
752 (lookup_filename): Rewrite to handle new file data structures.
753 (maybe_emit_file): Rewrite to handle new file data structures.
754 (dwarf2out_source_line): Always call lookup_filename and
756 (dwarf2out_init): Create file_table here.
757 (prune_unused_types_walk_attribs): Don't call maybe_emit_file here.
758 (file_table_relative_p): New.
759 (dwarf2out_finish): Change detection of relative filenames
760 to work with new file data structures. Move output_line_info call
761 after debug_info output.
763 2006-09-11 H.J. Lu <hongjiu.lu@intel.com>
768 * config/i386/i386.c (override_options): Always default to 16
771 2006-09-11 Alexandre Oliva <aoliva@redhat.com>
774 * var-tracking.c (dump_dataflow_set): Start dumping at
776 (clobber_variable_part): Kill only the variable part in
777 registers holding it, leaving other variables alone.
779 2006-09-11 Josh Triplett <josh@freedesktop.org>
781 * doc/extend.texi (Other Builtins): Actually use the macro
782 argument in the documentation example for
783 __builtin_types_compatible_p.
785 2006-09-11 Eric Botcazou <ebotcazou@libertysurf.fr>
787 PR rtl-optimization/28726
788 * sched-deps.c (sched_analyze_reg): New function extracted from...
789 (sched_analyze_1): ...here. Call it to analyze references to
790 registers. Treat again writes to a stack register as writing to the
792 (sched_analyze_2): ...and here. Call it to analyze references to
793 registers. Treat again reads of a stack register as reading the
796 2006-09-11 Guenter Roeck <guenter@roeck-us.net>
797 David Edelsohn <edelsohn@gnu.org>
800 * config/rs6000/spe.md (frob_df_di): Remove %H.
801 (frob_di_df): Remove %H. Change evmergelo to mr.
802 (frob_di_df_2): Remove %H. Change evldd to two loads.
804 2006-09-11 Hideki Iwamoto <h-iwamoto@kit.hi-ho.ne.jp>
806 * doc/cpp.texi: Fix names of charset options.
808 2006-09-10 Andrew Pinski <pinskia@physics.uc.edu>
811 * config/i386/i386.c (override_options): Use 128-bit
812 stack boundary always for 64bits.
814 2006-09-10 Eric Botcazou <ebotcazou@libertysurf.fr>
816 PR rtl-optimization/28636
817 * combine.c (force_to_mode): Test for side-effects before
818 substituting by zero.
819 (simplify_shift_const): Likewise for zero or other constants.
821 2006-09-10 Steven Bosscher <steven@gcc.gnu.org>
824 * builtins.c (expand_builtin_setjmp): Force next_lab to be
827 2006-09-10 Richard Sandiford <richard@codesourcery.com>
830 * config/mips/mips-protos.h (mips_mem_fits_mode_p): Declare.
831 * config/mips/mips.c (mips_expand_unaligned_store): Use the mode
832 returned by mode_for_size, rather than the mode of src itself,
833 to choose between 32-bit and 64-bit patterns.
834 (mips_mem_fits_mode_p): New function.
835 * config/mips/mips.md (mov_<load>l, mov_<load>r): Use it to check
836 that the size of the source matches the size of the destination.
837 (mov_<store>l, mov_<store>r): Likewise.
839 2006-09-10 Eric Christopher <echristo@apple.com>
841 * config/darwin.c (machopic_select_rtx_section): Add CONST_VECTOR
844 2006-09-09 Eric Christopher <echristo@apple.com>
847 * config/darwin.c (machopic_select_rtx_section): Add TARGET_64BIT
850 2006-09-09 Roger Sayle <roger@eyesopen.com>
851 Nicolas Setton <setton@adacore.com>
853 * dwarf2out.c (convert_cfa_to_fb_loc_list): Handle DW_CFA_set_loc.
855 2006-09-10 Andreas Schwab <schwab@suse.de>
857 * config/m68k/m68k.md (bungt_rev): New pattern.
859 2006-09-09 Paolo Bonzini <bonzini@gnu.org>
860 Dale Johannesen <dalej@apple.com>
863 * regclass.c (struct reg_pref): Update documentation.
864 (regclass): Set prefclass to NO_REGS if memory is the best option.
865 (record_reg_classes): Cope with a prefclass set to NO_REGS.
867 2006-09-08 Eric Christopher <echristo@apple.com>
869 * config.gcc (i?86-*-darwin): Add 64-bit HWI support.
870 * config/t-slibgcc-darwin: Support x86_64 multilib.
871 * config/i386/i386.h (JUMP_TABLES_IN_TEXT_SECTION):
872 Return 1 for x86_64-darwin.
873 * config/i386/t-darwin: Add m64 multilib.
874 (LIB2_SIDITI_CONV_FUNCS): Use.
875 (LIB2FUNCS_EXTRA): Ditto.
876 * config/i386/darwin.h: Support x86_64.
877 * config/i386/i386.c (override_options): Turn on flag_pic
878 for x86_64-darwin. Disable flag_omit_pointer.
879 (get_pc_thunk_name): Assert !TARGET_64BIT.
880 (legitimate_address_p): Disable machopic addressing for
882 (legitimize_pic_address): Ditto.
883 (ix86_expand_move): Ditto.
884 (ix86_expand_call): Ditto.
885 (machopic_output_stub): Ditto.
886 * config/darwin.c (machopic_select_section): Support literal16.
887 (machopic_select_rtx_section): Ditto.
888 * config/darwin-sections.def: Ditto.
889 * config/darwin-64.c: New.
891 2006-09-08 Joseph S. Myers <joseph@codesourcery.com>
894 * c-tree.h (struct c_arg_info): Add pending_sizes.
895 * c-parser.c (c_parser_parms_declarator,
896 c_parser_parms_list_declarator): Initialize pending_sizes.
897 * c-decl.c (get_parm_info): Initialize pending_sizes.
898 (get_parm_info): Set pending_sizes.
899 (grokdeclarator): Call put_pending_sizes for parameters for
900 function definition only.
902 2006-09-07 Jason Merrill <jason@redhat.com>
905 * varasm.c (output_constant): Only strip actual no-op conversions.
908 * config/i386/i386.c (override_options): Use 128-bit
909 stack boundary if -msse.
911 2006-09-07 Eric Christopher <echristo@apple.com>
913 * config/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE): Update
915 * config/i386/darwin.h (MACHO_SYMBOL_FLAG_VARIABLE):
918 2006-09-07 Geoffrey Keating <geoffk@apple.com>
920 * dwarf2out.c: Remove strange characters from comment above
921 dwarf2out_frame_debug_expr.
923 2006-09-07 Eric Christopher <echristo@apple.com>
925 * config/rs6000/darwin.h (HANDLE_SYSV_PRAGMA): Move from here...
926 * config/darwin.h: ... to here.
928 2006-09-07 H.J. Lu <hongjiu.lu@intel.com>
930 * config/i386/i386.c (x86_partial_flag_reg_stall): New.
932 * config/i386/i386.h (x86_partial_flag_reg_stall): New.
933 (TARGET_PARTIAL_FLAG_REG_STALL): New.
935 * config/i386/i386.md (*ashldi3_cmp_rex64): Disabled for
936 TARGET_PARTIAL_FLAG_REG_STALL.
937 (*ashldi3_cconly_rex64): Likewise.
938 (*ashlsi3_cmp): Likewise.
939 (*ashlsi3_cconly): Likewise.
940 (*ashlsi3_cmp_zext): Likewise.
941 (*ashlhi3_cmp): Likewise.
942 (*ashlhi3_cconly): Likewise.
943 (*ashlqi3_cmp): Likewise.
944 (*ashlqi3_cconly): Likewise.
945 (*ashrdi3_cmp_rex64): Likewise.
946 (*ashrdi3_cconly_rex64): Likewise.
947 (*ashrsi3_cmp): Likewise.
948 (*ashrsi3_cconly): Likewise.
949 (*ashrsi3_cmp_zext): Likewise.
950 (*ashrhi3_cmp): Likewise.
951 (*ashrhi3_cconly): Likewise.
952 (*ashrqi3_cmp): Likewise.
953 (*ashrqi3_cconly): Likewise.
954 (*lshrdi3_cmp_rex64): Likewise.
955 (*lshrdi3_cconly_rex64): Likewise.
956 (*lshrsi3_cmp): Likewise.
957 (*lshrsi3_cconly): Likewise.
958 (*lshrsi3_cmp_zext): Likewise.
959 (*lshrhi3_cmp): Likewise.
960 (*lshrhi3_cconly): Likewise.
961 (*lshrqi2_cmp): Likewise.
962 (*lshrqi2_cconly): Likewise.
964 2006-09-07 Uros Bizjak <uros@kss-loka.si>
967 * config/i386/i386.md ("*ashldi3_cconly_rex64", "*ashlsi3_cconly",
968 "*ashlhi3_cconly", "*ashlqi3_cconly", "*ashrdi3_one_bit_cconly_rex64",
969 "*ashrdi3_cconly_rex64", "*ashrsi3_one_bit_cconly", "*ashrsi3_cconly",
970 "*ashrhi3_one_bit_cconly", "*ashrhi3_cconly",
971 "*ashrqi3_one_bit_cconly", "*ashrqi3_cconly",
972 "*lshrdi3_cconly_one_bit_rex64", "*lshrdi3_cconly_rex64",
973 "*lshrsi3_one_bit_cconly", "*lshrsi3_cconly",
974 "*lshrhi3_one_bit_cconly", "*lshrhi3_cconly",
975 "*lshrqi2_one_bit_cconly", "*lshrqi2_cconly": New patterns to
976 implement only CC setting effects of shift instructions.
978 2006-09-07 Martin Michlmayr <tbm@cyrius.com>
980 * doc/contrib.texi: Add myself.
982 2006-09-07 Andrew Pinski <pinskia@physics.uc.edu>
985 * stor-layout.c (relayout_decl): Don't zero the alignment if it
988 2006-09-07 Paolo Bonzini <bonzini@gnu.org>
991 * config/sh/sh.md (divsi_inv_qitable, divsi_inv_hitable): New patterns.
992 (divsi_inv_m1): Use them.
993 (UNSPEC_DIV_INV_TABLE): New constant.
995 2006-09-06 James E Wilson <wilson@specifix.com>
998 * flow.c (update_life_info): If UPDATE_LIFE_LOCAL and PROP_DEATH_NOTES
999 then call count_or_remove_death_notes.
1001 2006-09-06 Jason Merrill <jason@redhat.com>
1004 * tree-inline.c (copy_result_decl_to_var): New fn.
1005 (declare_return_variable): Use it. Call declare_inline_vars here.
1006 (expand_call_inline): Not here.
1008 2006-09-06 Diego Novillo <dnovillo@redhat.com>
1010 * doc/contrib.texi: Update my entry.
1012 2006-09-06 Nick Clifton <nickc@redhat.com>
1014 * config/frv/frv.h (EXTRA_MEMORY_CONSTRAINT): Define.
1016 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1019 * tree-flow.h (tree_ssa_unswitch_loops): Return unsigned int.
1020 (canonicalize_induction_variables): Likewise.
1021 (tree_unroll_loops_completely): Likewise.
1022 (tree_ssa_prefetch_arrays): Likewise.
1023 (remove_empty_loops): Likewise.
1024 * tree-ssa-loop-unswitch.c (tree_ssa_unswitch_loops): Return
1025 TODO_cleanup_cfg instead of directly calling
1026 cleanup_tree_cfg_loop.
1027 * tree-ssa-loop-ivcanon.c (canonicalize_induction_variables):
1029 (tree_unroll_loops_completely): Likewise.
1030 (remove_empty_loops): Likewise.
1031 * tree-ssa-loop-prefetch.c (tree_ssa_prefetch_arrays): Likewise.
1032 * tree-ssa-loop.c (tree_ssa_loop_unswitch): Use the return value
1033 of tree_ssa_unswitch_loops.
1034 (tree_ssa_loop_ivcanon): Use the return value of
1035 canonicalize_induction_variables.
1036 (tree_ssa_empty_loop): Use the return value of
1038 (tree_complete_unroll): Use the return value of
1039 tree_unroll_loops_completely.
1040 (tree_ssa_loop_prefetch): Use the return value of
1041 tree_ssa_prefetch_arrays.
1042 * passes.c (execute_todo): Before Cleanup CFG, set
1043 updating_used_alone and after cleanup CFG, call
1044 recalculate_used_alone.
1046 2006-09-05 Andrew Pinski <pinskia@physics.uc.edu>
1049 * tree-vect-transform.c (vectorizable_condition): Move the check
1050 for the type after the check for simple condition.
1052 2006-09-05 J"orn Rennecke <joern.rennecke@st.com>
1053 Kaz Kojima <kkojima@gcc.gnu.org>
1056 * mode-switching.c (optimize_mode_switching): Make the destination
1057 block of an abnormal edge have no anticipatable mode. Don't
1058 insert mode switching code at the end of the source block of
1061 2006-09-05 Paolo Bonzini <bonzini@gnu.org>
1063 PR rtl-optimization/26847
1064 * simplify-rtx.c (struct simplify_plus_minus_op_data): Remove ix.
1065 (simplify_plus_minus_op_data_cmp): For REGs, break ties on the regno.
1066 (simplify_plus_minus): Count n_constants while filling ops. Replace
1067 qsort with insertion sort. Before going through the array to simplify
1068 pairs, sort it. Delay early exit until after the first sort, exiting
1069 only if no swaps occurred. Simplify pairs in reversed order, without
1070 special-casing the first iteration. Pack ops after simplifying pairs.
1072 2006-09-05 Anatoly Sokolov <aesok@post.ru>
1074 * config/avr/avr.c (avr_mcu_types): Add support for at90pwm1 device.
1075 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
1076 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
1077 (avr_rtx_costs): Mark 'outer_code' argument with ATTRIBUTE_UNUSED.
1079 2006-09-05 Richard Guenther <rguenther@suse.de>
1081 PR tree-optimization/28900
1082 * tree-if-conv.c (find_phi_replacement_condition): Gimplify
1083 compound conditional before creating COND_EXPR condition.
1085 2006-09-05 Richard Guenther <rguenther@suse.de>
1087 PR tree-optimization/28905
1088 * tree-vrp.c (fix_equivalence_set): Manually implement
1089 !value_ranges_intersect_p to also handle symbolic ranges.
1091 2006-09-05 Richard Guenther <rguenther@suse.de>
1094 * tree-ssa-ccp.c (fold_stmt_r): Make sure to fold the condition
1097 2006-09-04 Eric Botcazou <ebotcazou@libertysurf.fr>
1099 PR rtl-optimization/27616
1100 * cse.c (table_size): New static variable.
1101 (new_basic_block): Initialize it to 0.
1102 (remove_from_table): Decrement it.
1103 (insert): Increment it.
1104 (fold_rtx_mem_1): New function, renamed from fold_rtx_mem.
1105 (fold_rtx_mem): Enforce a cap on the recursion depth. Call
1106 fold_rtx_mem_1 if under the cap.
1107 (fold_rtx) <RTX_COMM_ARITH>: In the associative case, delay a little
1108 the lookup of the equivalent expression and test for equality of the
1109 first operand of the equivalent expression before in turn looking up
1110 an equivalent constant for the second operand.
1112 2006-09-02 Geoffrey Keating <geoffk@apple.com>
1115 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
1116 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
1117 pointer, instead of assuming it is possible to derive the
1118 correct args size from a call insn.
1120 2006-09-02 Jakub Jelinek <jakub@redhat.com>
1123 * builtins.c (fold_builtin_memcpy, fold_builtin_memmove): Remove.
1124 (fold_builtin_mempcpy): Rename to...
1125 (fold_builtin_memory_op): ... this. Optimize one element copy
1127 (fold_builtin_memset, fold_builtin_bzero, fold_builtin_bcopy): New
1129 (expand_builtin_strcpy, expand_builtin_strncpy): Handle COMPOUND_EXPR.
1130 (expand_builtin_memcpy, expand_builtin_mempcpy,
1131 expand_builtin_memmove): Likewise. Use fold_builtin_memory_op.
1132 (fold_builtin_1): Handle BUILT_IN_MEMSET, BUILT_IN_BZERO and
1133 BUILT_IN_BCOPY. Use fold_builtin_memory_op for
1134 BUILT_IN_MEM{CPY,PCPY,MOVE}.
1136 2006-09-01 DJ Delorie <dj@redhat.com>
1138 * config/m32c/cond.md (cbranch<mode>4): Defer splitting until after reload.
1139 (stzx_16): Likewise.
1140 ("stzx_24_<mode>"): Likewise.
1141 ("stzx_reversed_<mode>"): Likewise, and make mode-specific.
1142 ("cmp<mode>_op"): New.
1143 (cmp<mode>): Change to expander; just save operands.
1145 (b<code>): Change to expander, emit compare here.
1146 (s<code>_op): Change to use split and expander.
1147 (s<code>_24_op): Likewise.
1148 (s<code>_<mode>): New.
1149 (s<code>_<mode>_24): New.
1150 (movqicc_<code>_<mode): New.
1151 (movhicc_<code>_<mode>): New.
1154 * config/m32c/m32c.c (compare_op0, compare_op1): New.
1155 (m32c_pend_compare): New.
1156 (m32c_unpend_compare): New.
1157 (m32c_expand_scc): New.
1158 (m32c_expand_movcc): Emit the compare also.
1159 * config/m32c/predicates.md (mra_nopp_operand): New.
1161 2006-09-01 J"orn Rennecke <joern.rennecke@st.com>
1162 Richard Guenther <rguenther@suse.de>
1163 Adam Nemet <anemet@caviumnetworks.com>
1166 * builtins.c (get_pointer_alignment): Handle more forms
1167 of base addresses that can be used to derive more precise
1168 information about alignment.
1170 2006-09-01 Jason Merrill <jason@redhat.com>
1173 * gimplify.c (gimplify_modify_expr_rhs) [BIND_EXPR]: Handle
1176 * gimplify.c (voidify_wrapper_expr): Handle null type.
1178 2006-09-01 Josh Conner <jconner@apple.com>
1181 * tree-nrv.c (dest_safe_for_nrv_p): New function.
1182 (execute_return_slot_opt): Use it.
1184 2006-08-31 Josh Conner <jconner@apple.com>
1187 * tree-gimple.c (is_gimple_mem_rhs): Recognize functions
1188 returning aggregates.
1190 2006-08-31 Zdenek Dvorak <dvorakz@suse.cz>
1192 PR tree-optimization/28839
1193 * tree-into-ssa.c (prune_unused_phi_nodes): Take into account kills in
1194 blocks in that phi arguments appear.
1196 2006-08-31 Roger Sayle <roger@eyesopen.com>
1199 * dwarf2out.c (add_fde_cfi): Use a set_loc if the current label is
1200 NULL, otherwise use an advance_loc4 to adjust relative to the
1202 (output_cfi) <DW_CFA_set_loc>: Update the current label.
1203 (dwarf2out_switch_text_section): Reset the current label to avoid
1204 using advance_loc4 over section boundaries.
1206 2006-08-31 Andreas Krebbel <krebbel1@de.ibm.com>
1209 * config/s390/s390.md ("movsi", "movdi" expander): Accept rtxes like
1210 r12 + SYMBOLIC_CONST.
1212 2006-08-30 Richard Guenther <rguenther@suse.de>
1214 * Makefile.in (see.o): Add $(EXPR_H) dependency.
1216 2006-08-30 Zdenek Dvorak <dvorakz@suse.cz>
1218 PR rtl-optimization/27735
1219 * cfgloopmanip.c (fix_loop_placements, fix_bb_placements, unloop):
1220 Add new argument to keep track of whether an irreducible region
1221 was affected. All callers changed.
1222 (fix_irreducible_loops): Removed.
1223 (remove_path): Call mark_irreducible_loops if EDGE_IRREDUCIBLE_LOOP
1224 flags were invalidated.
1226 2006-08-29 H.J. Lu <hongjiu.lu@intel.com>
1228 * config/i386/i386.md (*fop_df_comm_mixed): Match DF operands
1229 instead of SF operands.
1230 (*fop_df_comm_sse): Likewise.
1231 (*fop_df_comm_i387): Likewise.
1232 (*fop_df_1_mixed): Likewise.
1233 (*fop_df_1_sse): Likewise.
1235 2006-08-29 Andrew Pinski <pinskia@physics.uc.edu>
1236 J"orn Rennecke <joern.rennecke@st.com>
1238 PR tree-optimization/17506
1239 * tree-ssa.c (warn_uninit): If warning about a location outside of
1240 the current function, note where the variable was declared.
1242 2006-08-28 Zdenek Dvorak <dvorakz@suse.cz>
1244 PR tree-optimization/28411
1245 * double-int.c (double_int_div): Use double_int_divmod.
1246 (double_int_divmod, double_int_sdivmod, double_int_udivmod,
1247 double_int_mod, double_int_smod, double_int_umod): New functions.
1248 * double-int.h (double_int_divmod, double_int_sdivmod,
1249 double_int_udivmod, double_int_mod, double_int_smod, double_int_umod):
1251 * tree-ssa-loop-ivopts.c (constant_multiple_of): Returns the result
1253 (get_computation_aff, get_computation_cost_at): Handle double_int
1254 return type of constant_multiple_of.
1256 2006-08-28 Kazu Hirata <kazu@codesourcery.com>
1259 * convert.c (convert_to_integer): Set TREE_NO_WARNING to 1 on
1260 an implicit conversion.
1262 2006-08-28 Prafulla Thakare <prafullat@kpitcummins.com>
1264 * config/h8300/h8300.c (TARGET_DEFAULT_TARGET_FLAGS): New.
1266 2006-08-27 Roger Sayle <roger@eyesopen.com>
1268 * ifcvt.c (cheap_bb_rtx_cost_p): Don't speculatively execute
1271 2006-08-27 Kazu Hirata <kazu@codesourcery.com>
1273 * config/i386/crtfastmath.c: Fix a comment typo.
1275 2006-08-26 Roger Sayle <roger@eyesopen.com>
1277 * tree.h (CASE_LOW_SEEN, CASE_HIGH_SEEN): New macros for manipulating
1278 temporary visit flags on CASE_LABEL_EXPRs.
1279 * c-common.c (match_case_to_enum): Add function comment. Avoid
1280 O(N) loop, by looking up both CASE_LOW_SEEN and CASE_HIGH_SEEN.
1281 (c_do_switch_warnings): Reorganize to record CASE_LOW_SEEN and
1282 CASE_HIGH_SEEN for enumerated types. If the switch expression is
1283 a constant, only warn if that constant value isn't handled.
1285 2006-08-26 Joseph S. Myers <joseph@codesourcery.com>
1288 * input.h (restore_input_file_stack): Declare.
1289 (INPUT_FILE_STACK_BITS): Define.
1290 * toplev.c (fs_p, input_file_stack_history,
1291 input_file_stack_restored, restore_input_file_stack): New.
1292 (push_srcloc, pop_srcloc): Check for input_file_stack_tick
1293 overflowing INPUT_FILE_STACK_BITS bits. Save new state of stack.
1294 (pop_srcloc): Don't free old state of stack.
1296 2006-08-26 David Edelsohn <edelsohn@gnu.org>
1299 * doc/extend.texi (PowerPC Variable Attributes): Mention altivec.
1300 (PowerPC Type Attributes): New.
1302 2006-08-26 Bob Wilson <bob.wilson@acm.org>
1304 * config/xtensa/xtensa.c (function_arg_boundary): New.
1305 (function_arg, xtensa_gimplify_va_arg_expr): Limit alignment to
1307 * config/xtensa/xtensa.h (FUNCTION_ARG_BOUNDARY): Move code to new
1308 function_arg_boundary function that limits alignment to STACK_BOUNDARY.
1310 2006-08-26 Jakub Jelinek <jakub@redhat.com>
1313 * cfgexpand.c (add_reg_br_prob_note): Check if last has exactly
1316 2006-08-25 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1318 * flow.c (verify_wide_reg): Use internal_error for consistency failure.
1319 (verify_local_live_at_start): Likewise.
1321 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1324 * gimplify.c (gimplify_decl_expr, gimplify_init_ctor_preeval,
1325 omp_add_variable): Treat sizes as variable whenever not
1328 2006-08-26 Richard Guenther <rguenther@suse.de>
1331 * fold-const.c (fold_binary): Fold temporary to correct
1332 type before constructing new comparison.
1334 2006-08-25 Fariborz Jahanian <fjahanian@apple.com>
1337 * c-gimplify.c (gimplify_compound_literal_expr): Don't add
1338 variable again if DECL_SEEN_IN_BIND_EXPR_P.
1340 2006-08-25 Joseph S. Myers <joseph@codesourcery.com>
1343 * c-decl.c (start_function): Don't try to process prototype
1344 information from old declaration that isn't a function.
1346 2006-08-25 Jan Hubicka <jh@suse.cz>
1349 * config/i386/crtfastmath.c (set_fast_math): Force stack alignment.
1351 2006-08-25 Alan Modra <amodra@bigpond.net.au>
1354 * config/rs6000/rs6000.c (print_operand): Only use e500 %y syntax
1357 2006-08-25 J"orn Rennecke <joern.rennecke@st.com>
1359 PR tree-optimization/16876
1360 * c-typeck.c (c_convert_parm_for_inlining): Don't take early
1361 exit if PARM doesn't match VALUE.
1363 2006-08-25 Bob Wilson <bob.wilson@acm.org>
1365 * config/xtensa/xtensa.h (ASM_OUTPUT_POOL_PROLOGUE): Do not emit a
1366 literal_prefix directive.
1367 (XTENSA_DECLARE_FUNCTION_SIZE): Delete.
1368 * config/xtensa/linux.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1369 * config/xtensa/elf.h (ASM_DECLARE_FUNCTION_SIZE): Delete.
1371 2006-08-25 David Edelsohn <edelsohn@gnu.org>
1374 * config/rs6000/rs6000.md (movcc_internal1): Change operand 1
1375 predicate to general_operand. Add 0->y and I->r alternatives.
1377 2006-08-25 Kazu Hirata <kazu@codesourcery.com>
1379 * doc/tm.texi: Fix a typo.
1380 * predict.c: Fix comment typos.
1382 2006-08-25 Nick Clifton <nickc@redhat.com>
1384 * config/mn10300/mn10300.h (TARGET_CPU_CPP_BUILTINS): Add
1385 assertions of "cpu" and "machine".
1387 2006-08-24 Andrew Pinski <pinskia@physics.uc.edu>
1390 * tree-ssa-operands.c (access_can_touch_variable): Don't say
1391 the access through a base which has an alias set of 0 cannot
1394 2006-08-24 Bill Wendling <wendling@apple.com>
1396 * doc/tm.texi (TARGET_DEFAULT_PACK_STRUCT): Fixed English.
1398 2006-08-24 Jan Hubicka <jh@suse.cz>
1400 * reload1.c (emit_reload_insns): Fix yet another typo in my patch.
1402 2006-08-24 Jan Hubicka <jh@suse.cz>
1405 * cgraph.c: Fix comments.
1406 (cgraph_varpool_mark_needed_node): Mark only variables not already
1408 * cgraphunit.c: Update comments; include gt-cgraphunit.h
1409 (cgraph_varpool_assembled_nodes_queue): New static variable.
1410 (cgraph_varpool_assemble_decl): Record output decls for debug out code.
1411 (cgraph_varpool_output_debug_info): New function.
1412 (cgraph_finalize_compilation_unit, cgraph_optimize): Call it.
1413 * Makefile.in: Add gt-cgraphunit.h
1415 2006-08-24 Jan Hubicka <jh@suse.cz>
1417 * predict.c (probability_reliable_p): New predicate.
1418 (edge_probability_reliable_p, br_prob_note_reliable_p): Likewise.
1419 (predict_loops): Do not predict loop exit with less than 2%
1421 * basic-block.h (edge_probability_reliable_p,
1422 br_prob_note_reliable_p): Declare.
1423 * ia64.h (ia64_print_operand): Do not disable on-chip branch
1424 prediction when static predictor is not reliable.
1425 * rs6000.c (output_cbranch): Likewise.
1427 2006-08-23 Stuart Hastings <stuart@apple.com>
1430 * gcc/config/i386/i386.c (ix86_expand_vector_init_duplicate,
1431 ix86_expand_vector_init_one_nonzero): Remove TARGET_SSE test.
1433 2006-08-21 Geoffrey Keating <geoffk@apple.com>
1436 * dwarf2out.c (rtl_for_decl_init): Don't try to create RTL for
1437 complex values, nor for generic vector values.
1439 2006-08-22 Richard Guenther <rguenther@suse.de>
1442 * tree-scalar-evolution.c (fold_used_pointer): Add at_stmt
1443 parameter. Convert arguments to arithmetic expression to the
1445 (analyze_scalar_evolution_1): Adjust caller.
1447 2006-08-22 Jan Hubicka <jh@suse.cz>
1449 Patch by Paolo Bonzini
1450 * reload1.c (emit_reload_insns): Fix incorrect bracketing introduced by
1453 2006-08-22 Daniel Berlin <dberlin@dberlin.org>
1455 PR tree-optimization/28003
1456 * tree-ssa-alias.c (compute_may_aliases): Compute call clobbered
1457 before grouping aliases.
1459 2006-08-22 Roger Sayle <roger@eyesopen.com>
1461 * config/i386/i386.c (ix86_value_regno): Don't return FIRST_MMX_REG
1462 if !TARGET_MMX, and don't return FIRST_SSE_REG if !TARGET_SSE.
1464 2006-08-21 Jason Merrill <jason@redhat.com>
1467 * gimplify.c (voidify_wrapper_expr): Handle STATEMENT_LIST as a
1468 wrapper. Loop to handle nested wrappers.
1469 (gimplify_bind_expr): Remove temp parameter.
1470 (gimplify_modify_expr_rhs): Handle CLEANUP_POINT_EXPR, BIND_EXPR
1471 and STATEMENT_LIST on the rhs.
1472 (gimplify_statement_list): Voidify the STATEMENT_LIST.
1473 (gimplify_expr): Pass pre_p to gimplify_statement_list.
1474 (gimplify_target_expr): Remove special BIND_EXPR handling.
1476 2006-08-21 J"orn Rennecke <joern.rennecke@st.com>
1478 * config/sh/lib1funcs-Os-4-200.asm: Guard entire file with
1481 2006-08-21 Olivier Hainque <hainque@adacore.com>
1483 * gimplify.c (gimplify_init_constructor) <RECORD,UNION,ARRAY types>:
1484 Arrange for the temporary captures of components overlapping the lhs
1485 to happen before the lhs is possibly cleared.
1487 2006-08-21 Mark Shinwell <shinwell@codesourcery.com>
1489 * config/arm/pr-support.c (__gnu_unwind_execute): Insert " + 1" in
1490 necessary places to pass the correct "number of registers" values
1493 2006-08-20 Jan Hubicka <jh@suse.cz>
1495 * tree-ssa-alias.c (eq_ptr_info, ptr_info_hash): New function.
1496 (create_name_tags): Instead of quadratic checking use hashtable.
1497 * bitmap.h: Include hashtab.h.
1498 (bitmap_hash): Declare.
1499 * bitmap.c (bitmap_hash): New function.
1501 2006-08-20 Jan Hubicka <jh@suse.cz>
1503 PR rtl-optimization/28071
1504 * tree-optimize.c (tree_rest_of_compilation): Do not remove edges
1506 * tree-inline.c (copy_bb): Use cgraph_set_call_stmt.
1507 * ipa-inline.c (cgraph_check_inline_limits): Add one_only argument.
1508 (cgraph_decide_inlining, cgraph_decide_inlining_of_small_function,
1509 cgraph_decide_inlining_incrementally): Update use of
1510 cgraph_check_inline_limits.
1511 * cgraph.c (edge_hash, edge_eq): New function.
1512 (cgraph_edge, cgraph_set_call_stmt, cgraph_create_edge,
1513 cgraph_edge_remove_caller, cgraph_node_remove_callees,
1514 cgraph_remove_node): Maintain call site hash.
1515 * cgraph.h (struct cgraph_node): Add call_site_hash.
1516 (cgraph_set_call_stmt): New function.
1518 2006-08-20 Jan Hubicka <jh@suse.cz>
1520 PR rtl-optimization/28071
1521 * reload1.c (reg_has_output_reload): Turn into regset.
1522 (reload_as_needed, forget_old_reloads_1, forget_marked_reloads,
1523 choose_reload_regs, emit_reload_insns): Update to new
1524 reg_has_output_reload.
1526 2006-08-20 Jan Hubicka <jh@suse.cz>
1529 * ipa-inline.c (cgraph_decide_inlining, cgraph_early_inlining): Compute
1530 function body sizes.
1531 * cgraphunit.c (cgraph_analyze_function): Don't do so.
1533 2006-08-20 Danny Smith <dannysmith@users.sourceforge.net>
1536 * tree.c (handle_dll_attribute): Return early if not a
1537 var or function decl.
1539 2006-08-18 Joseph Myers <joseph@codesourcery.com>
1542 * config/rs6000/rs6000.h (LOCAL_ALIGNMENT): For SPE, only adjust
1543 alignment of SPE vector types.
1545 2006-08-18 Christophe Jaillet <christophe.jaillet@wanadoo.fr>
1547 * tree.c (is_attribute_with_length_p): Remove a duplicated assert.
1549 2006-08-17 Jakub Jelinek <jakub@redhat.com>
1552 * cgraph.h (struct cgraph_node): Remove externally_visible
1554 * cgraphunit.c (process_function_and_variable_attributes): Set
1555 local.externally_visible rather than externally_visible.
1558 * c-common.c (handle_externally_visible_attribute): First look
1559 at TREE_CODE and only if it is function or var decl, check for
1560 non-public objects. Don't warn for DECL_EXTERNAL.
1561 * cgraphunit.c (process_function_and_variable_attributes): Warn
1562 if externally_visible attribute is used on non-public object.
1564 2006-08-17 Jan Hubicka <jh@suse.cz>
1566 PR tree-optimization/27865
1567 * reload1.c (forget_marked_reloads): New function.
1568 (forget_old_reloads_1): When data are passed, just mark the registers
1570 (reload_as_needed): Use the new mechanizm.
1572 2006-08-17 Alexandre Oliva <aoliva@redhat.com>
1575 * reload.h (reg_equiv_alt_mem_list): New declaration.
1576 * reload1.c (reg_equiv_alt_mem_list): New definition.
1577 (reload): Initialize it and release it.
1578 (delete_output_reload): Use it.
1579 * reload.c (push_reg_equiv_alt_mem): New function.
1580 (find_reloads_toplev): Call it.
1581 (find_reloads_address, find_reloads_address_1): Likewise.
1582 (find_reloads_subreg_address): Likewise.
1584 2006-08-17 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
1586 PR rtl-optimization/28489
1587 * sched-ebb.c (begin_schedule_ready): Create basic block
1589 (advance_target_bb): Skip empty blocks.
1590 * haifa-sched.c (bb_note): Make global.
1591 * sched-int.h (bb_note): Add prototype.
1593 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1595 PR tree-optimization/27865
1596 * tree-vrp.c (adjust_range_with_scev): Do not use TYPE_{MIN,MAX}_VALUE
1598 * tree-scalar-evolution.c (fold_used_pointer_cast, pointer_offset_p,
1599 fold_used_pointer, pointer_used_p): New functions.
1600 (analyze_scalar_evolution_1): Use fold_used_pointer.
1601 * tree-chrec.c (convert_affine_scev): Convert no-op casts correctly.
1602 * tree-ssa-loop-ivopts.c (generic_type_for): Return integral type
1605 2006-08-17 Paolo Bonzini <bonzini@gnu.org>
1608 * c-common.c (fold_offsetof_1): Add an argument and recurse down to it
1609 or the INTEGER_CST. Fail on a CALL_EXPR.
1610 (fold_offsetof): Pass new argument to fold_offsetof_1.
1611 * c-parser.c (c_parser_postfix_expression): Don't include a NULL
1612 operand into an INDIRECT_REF.
1613 * c-typeck.c (build_unary_op): Adjust call to fold_offsetof.
1615 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1617 PR gcov/profile/26570
1618 * value-prof.c (static_values): Removed.
1619 (tree_find_values_to_profile): Do not set static_values.
1620 (find_values_to_profile): Do not free static_values.
1621 * profile.c (instrument_values): Do not free the values.
1622 (branch_prob): Free the values.
1624 2006-08-16 Naveen.H.S <naveenh@kpitcummins.com>
1626 * config/m32c/m32c_lib1.S (__mulsi3): Use only registers for dest.
1628 2006-08-16 Joseph S. Myers <joseph@codesourcery.com>
1631 * c-typeck.c (build_component_ref): Combine qualifiers of
1632 structure or union and field.
1634 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1636 PR rtl-optimization/28071
1637 * basic-block.h (bb_dom_dfs_in, bb_dom_dfs_out): Declare.
1638 * dominance.c (bb_dom_dfs_in, bb_dom_dfs_out): New functions.
1639 * tree-into-ssa.c (struct dom_dfsnum): New.
1640 (cmp_dfsnum, find_dfsnum_interval, prune_unused_phi_nodes): New
1642 (insert_phi_nodes_for): Use prune_unused_phi_nodes instead of
1643 compute_global_livein.
1644 (prepare_block_for_update, prepare_use_sites_for): Mark the uses
1645 in phi nodes in the correct blocks.
1647 2006-08-16 Zdenek Dvorak <dvorakz@suse.cz>
1649 PR tree-optimization/28364
1650 * tree-ssa-loop-ivopts.c (aff_combination_to_tree): Handle zero
1652 (fold_affine_expr): New function.
1653 (may_eliminate_iv): Use fold_affine_expr.
1655 2006-08-16 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1658 * c-typeck.c (c_start_case): Handle invalid orig_type correctly.
1661 2006-08-16 Mike Stump <mrs@apple.com>
1663 * doc/invoke.texi (-Wno-deprecated-declarations): Fixup use of pxref.
1664 * doc/cppopts.texi (-MD): Likewise.
1666 2006-08-15 Danny Smith <dannysmith@users.sourceforge.net>
1669 * c-common.c (handle_weak_attribute): Ignore and warn if
1670 not a FUNCTION_ or VAR_DECL.
1672 2006-07-15 Mike Stump <mrs@apple.com>
1675 * c-parser.c (c_parser_typeof_specifier): Don't use
1676 c_finish_expr_stmt, open code desired semantics instead.
1678 2006-08-15 Nick Clifton <nickc@redhat.com>
1680 * config.gcc (x86-mingw32): Add a gthr-win32.h including makefile
1681 fragment to tmake_file only if threads are enabled.
1682 * config/i386/t-mingw32 (LIB2FUNCS_EXTRA): Move to...
1683 * config/i386/t-gthr-win32: New file. ... here.
1685 2006-08-15 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1688 * c-parser.c (c_parser_compound_statement_nostart): Reset
1689 parser->error after each statement.
1691 2006-08-15 Jakub Jelinek <jakub@redhat.com>
1694 * omp-low.c (lower_omp_parallel): Convert t to
1695 receiver_decl's type.
1696 (expand_omp_parallel): STRIP_NOPS from the MODIFY_EXPR
1697 source before comparison.
1700 * gimplify.c (gimplify_omp_atomic_pipeline): Convert oldival
1701 to itype in assignment to oldival2.
1703 2006-07-14 Andrew Pinski <pinksia@physics.uc.edu>
1707 * c-typeck.c (build_compound_expr): If the second expression
1708 is an error mark, then just return an error mark instead of
1709 creating a COMPOUND_EXPR.
1711 2006-07-14 Mike Stump <mrs@apple.com>
1713 * Makefile.in (LIBGCC_DEPS): Don't depend on LANGUAGES.
1715 2006-08-14 Kazu Hirata <kazu@codesourcery.com>
1717 * c-decl.c, var-tracking.c: Fix comment typos.
1719 2006-08-14 Richard Sandiford <richard@codesourcery.com>
1721 PR rtl-optimization/28634
1722 * reorg.c (fill_slots_from_thread): Do not assume A + X - X == A
1723 for floating-point modes unless flag_unsafe_math_optimizations.
1725 2006-08-13 Alexandre Oliva <aoliva@redhat.com>
1726 Andrew Pinski <pinskia@physics.uc.edu>
1729 * tree.c (build_array_type): Unify array types with
1730 unspecified index_type.
1731 * c-decl.c (grokdeclarator): Make sure we do not modify a
1732 unified incomplete array type.
1733 * c-typeck.c (store_init_value): Create distinct type before
1734 filling in the index type in an initializer from a compound
1737 * c-decl.c (grokdeclarator): Remove code where we copy the
1740 2006-08-13 Andrew Pinski <pinskia@physics.uc.edu>
1742 * tree-pass.h (TODO_update_ssa): Fix which bit is used to take
1743 into account for TODO_dump_cgraph.
1744 (TODO_update_ssa_no_phi): Likewise.
1745 (TODO_update_ssa_full_phi): Likewise.
1746 (TODO_update_ssa_only_virtuals): Likewise.
1747 (TODO_remove_unused_locals): Likewise.
1748 (TODO_set_props): Likewise.
1749 (TODO_update_stmt_usage): Likewise.
1751 2006-08-13 Dirk Mueller <dmueller@suse.de>
1753 * c-common.c (strict_aliasing_warning): Fix formatting.
1755 2006-08-13 Matthias Klose <doko@debian.org>
1757 * doc/invoke.texi: Fix spelling errors.
1759 2006-08-11 Eric Botcazou <ebotcazou@libertysurf.fr>
1761 PR rtl-optimization/23454
1762 * reorg.c (relax_delay_slots): Update comment.
1764 2006-08-11 Richard Guenther <rguenther@suse.de>
1767 * simplify-rtx.c (simplify_const_relational_operation):
1768 Simplify A CMP B to A - B CMP 0 only for EQ and NE comparison
1771 2006-08-10 Eric Botcazou <ebotcazou@adacore.com>
1773 * tree.c (build1_stat): Also propagate the TREE_CONSTANT and
1774 TREE_INVARIANT flags for a VIEW_CONVERT_EXPR.
1776 2006-08-10 Paul Brook <paul@codesourcery.com>
1778 * final.c (final_scan_insn): Clear current_insn_predicate before
1779 outputting inline asm.
1781 2006-08-10 Dorit Nuzman <dorit@il.ibm.com>
1783 PR tree-optimization/26197
1784 * tree-ssa-alias.c (new_type_alias): Takes additional argument. Calls
1785 get_ref_base_and_extent and overlap_subvar to add only relevant
1786 subvars as may-aliases.
1787 (add_may_alias_for_new_tag): New function, factored out of
1789 * tree-vect-transform.c (vect_create_data_ref_ptr): Call new_type_alias
1790 with additional argument.
1791 * tree-flow.h (new_type_alias): Takes additional argument.
1793 2006-08-09 Nathan Sidwell <nathan@codesourcery.com>
1795 * gcov.c (no_data_file): New flag.
1796 (read_count_file): Set it if data file not present. Assume counts
1798 (output_lines): Don't name the data file, if there wasn't one.
1800 2006-08-09 Eric Botcazou <ebotcazou@adacore.com>
1802 * config/rs6000/rs6000.c (print_operand) <D>: Fix comment and adjust.
1803 (rs6000_generate_compare): Tweak comments.
1804 * config/rs6000/rs6000.md (UNSPEC_MV_CR_GT): Fix comment.
1806 2006-08-09 Alexandre Oliva <aoliva@redhat.com>
1808 * var-tracking.c (enum micro_operation_type): Add MO_COPY.
1809 (var_debug_decl): New function.
1810 (var_reg_set): Follow debug decl link. Add location even if
1811 reg is already known to hold some other variable.
1812 (var_mem_set): Follow debug decl link.
1813 (var_reg_delete_and_set, var_mem_delete_and_set): Follow debug
1814 decl link. Delete other known locations of the variable part
1816 (var_reg_delete, var_mem_delete): Delete other known locations
1817 of the variable part if requested.
1818 (same_variable_part_p): New function.
1819 (add_stores): Select MO_COPY when appropriate.
1820 (vt_initialize): Handle it.
1821 (compute_bb_dataflow, emit_notes_in_bb): Likewise. Delete
1822 known locations for MO_SET and MO_CLOBBER.
1823 (find_variable_location_part): New function.
1824 (set_variable_part, delete_variable_part): Use it.
1825 (clobber_variable_part): New function.
1826 * dwarf2out.c (dwarf2out_var_location): Do not follow debug
1829 2006-08-07 Victor Kaplansky <victork@il.ibm.com>
1831 PR tree-optimization/26969
1832 * tree-vect-analyze.c (vect_analyze_loop_form): Add check of latch
1833 with an empty list of PHIs.
1835 2006-08-06 Paolo Bonzini <bonzini@gnu.org>
1839 * conffig/i386/i386.md: Add peephole2 to avoid "fld %st"
1842 2006-08-06 Andreas Schwab <schwab@suse.de>
1844 * config/m68k/m68k.c (m68k_output_function_epilogue): Fix format
1845 string. Whitespace and comment fixup.
1847 2006-08-05 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1850 * c-decl.c (validate_proto_after_old_defn): Return false on invalid
1854 * c-typeck.c (build_modify_expr): Test earlier for non-lvalues.
1857 * c-parser.c (c_parser_postfix_expression_after_paren_type): Robustify.
1859 2006-08-04 Jan Hubicka <jh@suse.cz>
1863 * reload.c (push_reload): Patch out the mismatching instruction;
1865 (find_reload): Bail out if the instruction was patched out.
1867 2006-08-04 Jan Hubicka <jh@suse.cz>
1869 PR tree-optimization/24888
1870 * tree-inline.c (expand_call_inline): Do not re-record variables.
1871 (declare_inline_vars): Add variable to unexpanded_var_list.
1873 2006-08-04 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
1874 Roger Sayle <roger@eyesopen.com>
1876 PR rtl-optimization/26244
1877 * cse.c (fold_rtx): Correctly associate shifts when const_arg1 and/or
1878 inner_const are negative or greater than or equal to the bitsize of
1879 MODE. If SHIFT_COUNT_TRUNCATED is false, the values aren't associated.
1880 Otherwise, the values are masked using GET_MODE_BITSIZE (mode) - 1.
1881 Simplify complicated if statement. For ASHIFT and LSHIFTRT, return
1882 CONST0_RTX (mode) when the new shift count is greater than or equal to
1883 to the bitsize of the object being shifted and XEXP (y, 0) has no side
1886 2006-08-04 Kazu Hirata <kazu@codesourcery.com>
1888 * tree-cfg.c: Fix a comment typo.
1890 2006-08-03 Mark Mitchell <mark@codesourcery.com>
1893 * varasm.c (output_constant): Give the front end another chance to
1894 expand constants, after stripping NOPs.
1896 2006-08-03 Jan Hubicka <jh@suse.cz>
1898 * domwalk.c (walk_dominator_tree): Reorganize to non-recursive
1901 2006-08-03 Dorit Nuzman <dorit@il.ibm.com>
1903 PR tree-optimization/27770
1904 * tree-vectorizer.h (get_vectype_for_scalar_type): Function
1905 declaration removed (moved to tree-flow.h).
1906 (vect_can_force_dr_alignment_p): Likewise.
1907 * tree-flow.h (get_vectype_for_scalar_type): New function declaration
1908 (moved from tree-vectorizer.h).
1909 (vect_can_force_dr_alignment_p): Likewise.
1910 * tree-vectorizer.c (vect_print_dump_info): Allow calling this function
1911 from outside the vectorizer - in particular from cgraph stage.
1912 * tree-vect-analyze.c (vect_compute_data_ref_alignment): Don't increase
1913 the alignment of global arrays when -fsection-anchors is enabled.
1914 * cgraphunit.c (cgraph_increase_alignment): New function.
1915 (cgraph_optimize): Call cgraph_increase_alignment.
1917 2006-08-03 David Edelsohn <edelsohn@gnu.org>
1920 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Do
1921 not reload a SPE symbol_ref into a lo_sum address.
1923 2006-08-02 Daniel Jacobowitz <dan@codesourcery.com>
1926 * dwarf2out.c (prune_unused_types_prune): Move call to
1927 prune_unused_types_update_strings to cover the parent DIE also.
1929 2006-08-02 Jan Hubicka <jh@suse.cz>
1931 PR gcov/profile/28480
1932 * tree-cfg.c (change_bb_for_stmt): New function.
1933 (tree_merge_blocks, tree_split_blocks): Use it.
1935 2006-08-01 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1941 * toplev.c (compile_file): Return early on errorcount or sorrycount.
1942 * cgraphunit.c (cgraph_finalize_compilation_unit): Likewise.
1943 (cgraph_optimize): Likewise.
1945 2006-08-01 Stuart Hastings <stuart@apple.com>
1947 * rtl.h (UINTVAL) New.
1948 * config/rs6000/rs6000.c (SMALL_INT) Use it.
1949 * testsuite/gcc.dg/20060801-1.c: New.
1951 2006-08-01 Daniel Jacobowitz <dan@codesourcery.com>
1954 * c-typeck.c (build_external_type): Mark used enum types.
1955 * dwarf2out.c (dwarf2out_abstract_function): Save and restore
1957 (gen_subprogram_die): Whitespace fix.
1959 2006-08-01 Jan Hubicka <jh@suse.cz>
1961 * tree-outof-ssa.c (check_replaceable): Do not allocate def_vars
1962 bitmap when not needed.
1963 * tree-ssa-pre.c (bitmap_set_and, bitmap_set_and_compl): Free temporary
1966 2006-08-01 Dirk Mueller <dmueller@suse.de>
1968 * tree-vrp.c (fix_equivalence_set): Avoid bitmap memory leak.
1970 2006-07-31 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1972 * Makefile.in: Revert part of previous patch:
1973 Replace $(VARRAY_H) by varray.h in definition of BASIC_BLOCK_H
1976 2006-07-30 Eric Christopher <echristo@apple.com>
1979 * doc/extend.texi (i386 Variable Attributes): Add anchor.
1980 (PowerPC Variable Attributes): New section.
1982 2006-07-30 Atsushi Nemoto <anemo@mba.ocn.ne.jp>
1984 PR target/28126 (partial fix)
1985 * config/mips/mips.md (tls_get_tp_<mode>): Set can_delay to no.
1987 2006-07-28 Jan Hubicka <jh@suse.cz>
1989 PR rtl-optimization/28071
1990 * cfgrtl.c (rtl_delete_block): Free regsets.
1991 * flow.c (allocate_bb_life_data): Re-use regsets if available.
1993 2006-07-28 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
1995 * Makefile.in: Use $(HEADER_H) instead of header.h in dependencies
1996 and variables used in dependencies.
1998 2006-07-27 Arjan van de Ven <arjan@linux.intel.com>
2000 * config/i386/i386.md (stack_tls_protect_set_di) Use %gs rather than
2001 %fs for -mcmodel=kernel.
2002 (stack_tls_protect_test_di): Likewise.
2004 2006-07-27 Carlos O'Donell <carlos@codesourcery.com>
2006 * Makefile.in: Use mkinstalldirs.
2008 2006-07-27 H.J. Lu <hongjiu.lu@intel.com>
2011 * opts-common.c (prune_options): Skip joined switches.
2013 2006-07-27 Jan Hubicka <jh@suse.cz>
2015 PR rtl-optimization/28071
2016 * cselib.c (cselib_process_insn): Don't remove useless values too
2017 often for very large hashtables.
2019 2006-07-27 Jan Hubicka <jh@suse.cz>
2021 PR rtl-optimization/28071
2022 * global.c (greg_obstack): New obstack.
2023 (allocate_bb_info): Use it.
2024 (free_bb_info): Likewise.
2025 (modify_reg_pav): Likewise.
2027 2006-07-27 Roger Sayle <roger@eyesopen.com>
2029 * builtins.c (fold_fixed_mathfn): When long and long long are the
2030 same size, canonicalize llceil*, llfloor*, llround* and llrint*
2031 functions to their lceil*, lfloor*, lround* and lrint* forms.
2033 2006-07-27 Kazuhiro Inaoka <inaoka.kazuhiro@renesas.com>
2036 * config/m32r/m32r.md (branch_insn): Reduce pc range for short
2038 (rev_branch_insn): Likewise.
2040 2006-07-27 Jan Hubicka <jh@suse.cz>
2042 PR rtl-optimization/28071
2043 * regmove.c (reg_is_remote_constant_p): Avoid quadratic behaviour.
2044 (reg_set_in_bb, max_reg_computed): New static variables.
2045 (regmove_optimize): Free the new array.
2046 (fixup_match_1): Update call of reg_is_remote_constant_p.
2048 2006-07-26 Jan Hubicka <jh@suse.cz>
2050 PR tree-optimization/27882
2051 * cgraph.c (cgraph_remove_node): Clear needed, reachable, next, previous
2053 * cgraphunit.c (cgraph_reset_node): Expect cgraph_remove_node to kill
2055 (cgraph_analyze_compilation_unit): Likewise.
2056 * ipa.c (cgraph_remove_unreachable_nodes): Likewise.
2057 * ipa-inline.c (cgraph_decide_recursive_inlining): Likewise.
2058 (cgraph_early_inlinine): Make order garbage collected.
2059 * Makefile.in (gt-ipa-inline): New garbagecollected file.
2061 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2063 * dbxout.c (output_types_sort): Add a comment.
2064 (output_used_types): Free the VEC.
2066 2006-07-26 Daniel Jacobowitz <dan@codesourcery.com>
2068 * function.c (reorder_fix_fragments): Delete.
2069 (reorder_blocks): Don't call it.
2070 (reorder_blocks_1): Put all subblocks under the origin block.
2072 2006-07-26 Zdenek Dvorak <dvorakz@suse.cz>
2074 PR rtl-optimization/27907
2075 * expr.c (force_operand): Use convert_move to handle FLOAT_EXTEND and
2078 2006-07-25 Roger Sayle <roger@eyesopen.com>
2081 * convert.c (convert_to_integer): When transforming (T)foo(x) into
2082 bar(x) check that bar's result type can represent all the values of T.
2084 2006-07-25 Zdenek Dvorak <dvorakz@suse.cz>
2086 * tree-chrec.c (chrec_convert_aggressive): Return NULL on failure.
2088 2006-07-25 Nick Clifton <nickc@redhat.com>
2090 * ggc-page.c (NUM_SIZE_LOOKUP): New constant - the length of the
2091 size_lookup[] array.
2092 (ggc_alloc_stat): Use NUM_SIZE_LOOKUP.
2093 (ggc_pch_count_object): Likewise.
2094 (ggc_pch_alloc_object): Likewise.
2095 (ggc_pch_write_object): Likewise.
2096 (init_ggc): Do not attempt to initialize entries in the
2097 size_lookup[] array for objects whose size is greater than than
2098 the length of the array.
2100 2006-07-25 Daniel Jacobowitz <dan@codesourcery.com>
2102 * dbxout.c (output_used_types_helper): Push queued types
2104 (output_types_sort): New.
2105 (output_used_types): Collect used types on a VEC and sort them
2108 2006-07-24 Richard Guenther <rguenther@suse.de>
2111 * cgraph.c (cgraph_remove_node): Do not check if dumps
2113 * cgraphunit.c (cgraph_optimize): Likewise.
2115 2006-07-24 Jan Hubicka <jh@suse.cz>
2117 PR rtl-optimization/28071
2118 * tree-cfg.c (tree_split_block): Do not allocate new stmt_list nodes.
2119 * tree-iterator.c (tsi_split_statement_list_before): Do not crash when
2120 splitting before first stmt.
2122 2006-07-24 Jan Hubicka <jh@suse.cz>
2124 PR rtl-optimization/28071
2125 * ipa-inline.c (update_caller_keys): Remove edges that
2126 are no longer inline candidates.
2128 2006-07-23 Daniel Jacobowitz <dan@codesourcery.com>
2131 * dbxout.c (output_used_types_helper, output_used_types): New.
2132 (dbxout_symbol): Call output_used_types.
2134 2006-07-23 Jan Hubicka <jh@suse.cz>
2138 * cgraph.c (cgraph_varpool_nodes): Export.
2139 (decide_is_variable_needed): Ignored "used" attribute in
2140 unit-at-a-time mode.
2141 * cgraph.h (cgraph_varpool_nodes): Declare.
2142 * cgraphunit.c (decide_is_function_needed): Ignored "used" attribute in
2143 unit-at-a-time mode.
2145 2006-07-23 Roger Sayle <roger@eyesopen.com>
2148 * gthr-solaris.h: Prototype __gthrw forms of thr_self, mutex_init and
2149 mutex_destroy even when !_LIBOOBJC. Remove duplicate prototype of
2150 the __gthrw form of thr_keycreate.
2151 (__gthread_key_delete): Silence the unused argument warning.
2153 2006-07-23 Steven Bosscher <steven@gcc.gnu.org>
2156 * config/elfos.h (ASM_OUTPUT_ASCII): Remove 'register' marks.
2157 Cache the last found '\0' marker to avoid quadratic behavior.
2159 2006-07-23 Jan Hubicka <jh@suse.cz>
2161 * i386.md (subsi_3_zext): Fix output template.
2163 2006-07-21 Mike Stump <mrs@apple.com>
2165 * doc/invoke.texi (C++ Dialect Options): Note that
2166 -fvisibility-inlines-hidden doesn't affect explicitly
2167 instantiationed inline methods.
2169 2006-07-20 Roger Sayle <roger@eyesopen.com>
2171 * config.gcc (i[34567]86-*-solaris2*): Add usegas.h to $tm_file
2172 if the target assembler is GNU binutils' gas.
2173 * config/i386/sol2-10.h (ASM_SPEC): Check USE_GAS to determine
2174 whether to pass GNU gas or native as command line options.
2176 2006-07-20 Jason Merrill <jason@redhat.com>
2178 * tree.c (remove_attribute): New fn.
2179 * tree.h: Declare it.
2181 2006-07-20 Paul Brook <paul@codesourcery.com>
2184 * cse.c (cse_insn): Add destination addresses to hash table. Check if
2185 they are invalidated by this instruction.
2187 2006-07-21 Danny Smith <dannysmith@users.sourceforge.net>
2190 * config/i386/cygming.h (MAX_OFILE_ALIGNMENT): Define.
2192 2006-07-20 Eric Christopher <echristo@apple.com>
2195 * config/i386/i386.h (OPTION_DEFAULT_SPECS): Reorder.
2197 2006-07-19 Eric Christopher <echristo@apple.com>
2199 * config/t-slibgcc-darwin (stmp-lipo): Remove.
2200 Rewrite dependencies for libgcc_s.1.dylib.
2202 2006-07-19 Jakub Jelinek <jakub@redhat.com>
2204 * except.c (duplicate_eh_regions_1): Clear next_peer.
2206 2006-07-17 Nathan Sidwell <nathan@codesourcery.com>
2208 * doc/invoke.texi (RS/6000 and PowerPC Options): Document that
2209 -mlongcall does not guarantee all calls will be long.
2210 * doc/extend.texi (long_call/short_call): Document that longcall
2211 does not guarantee a long call will be used.
2212 (longcall/shortcall): Likewise.
2214 2006-07-18 Roger Sayle <roger@eyesopen.com>
2217 * expmed.c (expand_shift): Additionally check that the shift_cost
2218 is not MAX_COST and that INTVAL(op1) is less than MAX_BITS_PER_WORD
2219 before implementing a LSHIFT_EXPR as a sequence of additions.
2220 * config/sh/sh.c (shift_costs): Return MAX_COST to inform the
2221 middle-end that DImode shifts need to be synthesized by expand.
2223 2006-07-18 Diego Novillo <dnovillo@redhat.com>
2226 * tree-ssa-operands.c (access_can_touch_variable): Update
2228 Return true if ALIAS is .GLOBAL_VAR.
2230 2006-07-18 David Daney <ddaney@avtrex.com>
2232 * gcc.c (display_help): Fix typo in help text.
2234 2006-07-18 Olivier Hainque <hainque@adacore.com>
2236 * tree.h (categorize_ctor_elements): Adjust prototype and add
2237 descriptive comment, both in accordance with the interface change
2239 * varasm.c (constructor_static_from_elts_p): New function.
2240 Whether a constructor node is a valid static constant initializer
2241 if all its elements are.
2242 (initializer_constant_valid_p) <CONSTRUCTOR value>: Use it.
2243 * output.h: Declare it.
2244 * expr.c (categorize_ctor_elements_1): Return whether the constructor
2245 is a valid constant initializer instead of computing the number of
2246 non-constant elements. Use constructor_static_from_elts_p for this
2247 purpose. Replace the head comment with an indication that this is a
2248 helper for categorize_ctor_elements.
2249 (categorize_ctor_elements): Same interface change as for the _1
2250 helper. Former head comment from this helper moved here, adjusted to
2251 account for the interface changes.
2252 (mostly_zeros_p): Adjust call to categorize_ctor_elements.
2253 (all_zeros_p): Likewise.
2254 * gimplify.c (gimplify_init_constructor): Decide whether we can make
2255 static versions of the constructor from the categorize_ctor_elements
2256 return value instead of the formerly computed number of non-constant
2259 2006-07-18 Paolo Bonzini <bonzini@gnu.org>
2261 * configure: Regenerate.
2262 * Makefile.in (build_libsubdir): New configure substitution
2263 (build_libobjdir): New variable.
2264 (BUILD_LIBIBERTY): Use it.
2266 2006-07-18 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
2269 * c-pragma.c (handle_pragma_pack): Handle invalid constants.
2271 2006-07-18 Alexandre Oliva <aoliva@redhat.com>
2274 * c-common.c (handle_weakref_attribute): Ignore attribute in
2275 the same conditions the alias attribute is ignored.
2277 2006-07-17 Carlos O'Donell <carlos@codesourcery.com>
2279 * dbxout.c (dbxout_function_end): Do not increment scope_labelno.
2280 (dbxout_begin_prologue): Increment scope_labelno.
2282 2006-07-17 Richard Henderson <rth@redhat.com>
2285 * tree-nested.c (create_tmp_var_for): Set DECL_COMPLEX_GIMPLE_REG_P
2288 2006-07-17 Roger Sayle <roger@eyesopen.com>
2289 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2291 * config/i386/gmon-sol2.c: Silence compilation warnings by partially
2292 synchronizing code with config/sparc/gmon-sol2.c. Remove #if 0
2293 blocks. #include "tconfig.h" and "tsystem.h" to prototype system
2294 functions such as sbrk, write, etc.. Add function prototypes.
2295 Convert function declarations from K&R to ISO C. Cast pointers
2296 to "long" and "unsigned long" instead of "int" and "unsigned int".
2297 Convert tokens following #endif into comments.
2299 2006-07-17 Toon Moene <toon@moene.indiv.nluug.nl>
2301 * invoke.texi: Remove mention of f77; Reformat table for
2302 inline parameter options correctly; mention that -malign-double
2303 is default on x86-64 targets.
2305 2006-07-17 Zdenek Dvorak <dvorakz@suse.cz>
2307 * tree-chrec.c (avoid_arithmetics_in_type_p): New.
2308 (convert_affine_scev, chrec_convert_aggressive): Use
2309 avoid_arithmetics_in_type_p. Do not check for the subtypes
2312 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2315 * optabs.c (expand_doubleword_shift): Wrap the call to
2316 do_compare_rtx_and_jump with NO_DEFER_POP and OK_DEFER_POP.
2318 2006-07-17 Richard Sandiford <richard@codesourcery.com>
2321 * optabs.c (expand_binop): Pass next_methods rather than methods
2322 to expand_doubleword_shift.
2324 2006-07-17 J"orn Rennecke <joern.rennecke@st.com>
2327 * tree.h (dump_addr): Declare.
2328 * print-tree.c (dump_addr): New function.
2329 (print_node_brief, print_node): Use it.
2330 * print-rtl.c (print_rtx): Likewise.
2331 * common.opt (-fdump-noaddr): New option.
2332 * doc/invoke.texi (-fdump-noaddr): Document.
2333 * loop-unroll.c (si_info_hash): Make hash independent of addresses.
2334 (ve_info_hash): Likewise.
2336 2006-07-13 Andrew Haley <aph@redhat.com>
2338 PR tree-optimization/19505
2339 * tree-cfgcleanup.c (tree_forwarder_block_p): If we have an EH
2340 edge leaving this block, make sure that the destination of this
2341 block has only one predecessor.
2343 2006-07-17 Richard Guenther <rguenther@suse.de>
2345 PR tree-optimization/28238
2346 * tree-inline.c (copy_bb): Check if we produced valid
2347 gimple copying and substituting a stmt. If not, gimplify
2350 2006-07-16 Eric Botcazou <ebotcazou@adacore.com>
2352 * optabs.c (maybe_encapsulate_block): New function extracted from...
2353 (emit_libcall_block): ...here. Invoke it on the block of insns to
2354 maybe emit REG_LIBCALL/REG_RETVAL notes around the block.
2355 (emit_no_conflict_block): Likewise.
2357 2006-07-16 Eric Botcazou <ebotcazou@libertysurf.fr>
2359 * doc/install.texi (sparc-sun-solaris2*): Add GMP version number.
2361 2006-07-15 Roger Sayle <roger@eyesopen.com>
2363 * tree-gimple.c (is_gimple_stmt): Sink test of IS_EMPTY_STMT into
2364 a new NOP_EXPR case of the switch statement.
2366 2006-07-15 Kaz Kojima <kkojima@gcc.gnu.org>
2369 * stor-layout.c (place_field): Take the bit field with
2370 an excessive size into account in the ms-bitfiled case.
2373 * stor-layout.c (place_field): Use DECL_BIT_FIELD_TYPE of
2374 the previous bit field.
2376 2006-07-14 Eliot Dresselhaus <eliot@sonic.net>
2379 * config/rs6000/spe.md (frob_di_df_2): Add m->r alternative.
2381 2006-07-14 Ulrich Weigand <uweigand@de.ibm.com>
2383 * config/s390/linux-unwind.h (s390_fallback_frame_state): Detect
2384 signal frames correctly even when the signal was installed with
2387 2006-07-14 Carlos O'Donell <carlos@codesourcery.com>
2389 * dbxout.c (dbxout_begin_prologue): Emit LFBB label at function start.
2390 (dbxout_function_end): Use local label LFBB. Remove hook
2392 (dbxout_source_line): Use local label LFBB.
2393 (dbxout_block): Likewise.
2394 (dbx_output_lbrac): Remove hook DBX_OUTPUT_LBRAC.
2395 (dbx_output_rbrac): Remove hook DBX_OUTPUT_RBRAC.
2396 * config/rs6000/linux64.h: Remove DBX_OUTPUT_LBRAC, DBX_OUTPUT_RBRAC,
2397 and DBX_OUTPUT_NFUN.
2399 2006-07-13 Janis Johnson <janis187@us.ibm.com>
2401 * doc/sourcebuild.texi (Test Directives): Document dg-shouldfail.
2403 2006-07-13 Jan Hubicka <jh@suse.cz>
2405 * cgraphunit.c (cgraph_varpool_analyze_pending_decls): Call
2407 * output.h (align_variable): Declare.
2408 * varasm.c (align_variable): Export.
2409 * value-prof.c (tree_value_profile_transformations): Recompute iterator
2410 when basic block changed.
2412 2006-07-13 Nick Clifton <nickc@redhat.com>
2414 * config/sh/sh.c (sh_reorg): Ignore deleted insns whilst
2415 walking the LOG_LINKS chain.
2417 2006-07-12 Geoffrey Keating <geoffk@apple.com>
2419 * doc/invoke.texi (C++ Dialect Options): Explain difference
2420 between -fvisibility-inlines-hidden and setting hidden
2421 visibility explicitly.
2423 2006-07-12 Eric Christopher <echristo@apple.com>
2425 * config/t-slibgcc-darwin (SHLIB_LINK): Don't munge stmp-lipo.
2426 (stmp-lipo): Depend on libgcc.a.
2428 2006-07-12 Kazu Hirata <kazu@codesourcery.com>
2430 * tree.c: Fix a comment typo.
2432 2006-07-12 Naveen.H.S <naveenh@kpitcummins.com>
2434 * config/m32c/muldiv.md (umulhisi3_c): Use only registers for
2436 (umulhisi3_r): Likewise.
2438 2006-07-12 Paolo Carlini <pcarlini@suse.de>
2441 * doc/install.texi (mips-sgi-irix6): Add note about IRIX 6.5.x,
2442 x < 19, vs wchar_t support.
2444 2006-07-12 Nick Clifton <nickc@redhat.com>
2446 * config/sh/sh.h (SUBTARGET_ASM_RELAX_SPEC): Use -isa=sh4-up
2447 instead of -isa=sh4.
2449 2006-07-12 Mike Stump <mrs@apple.com>
2451 * protoize.c (edit_fn_definition): Add volatile to clean_text_p.
2453 2006-07-10 Eric Christopher <echristo@apple.com>
2455 * config/t-slibgcc-darwin: Rewrite.
2457 2006-07-10 Laurynas Biveinis <laurynas.biveinis@gmail.com>
2460 * Makefile.in (configure): add missing aclocal.m4 and acinclude.m4
2463 2006-07-08 Matthias Klose <doko@debian.org>
2465 * doc/sourcebuild.texi: Fix typo.
2467 2006-07-07 Mike Stump <mrs@apple.com>
2469 * toplev.c (process_options): Don't give -ffunction-sections may
2470 affect debugging warning for Mach-O.
2472 2006-07-07 James E Wilson <wilson@specifix.com>
2474 * config/mips/mips.md (cpu): Add sb1a.
2475 * config/mips/sb1.md: Modify almost all patterns to accept sb1a in
2476 addition to sb1. Adjust comments to clarify SB-1A differences from
2478 (ir_sb1a_load): New. Modify bypasses to use it.
2479 (ir_sb1a_simple_alu): Likewise.
2480 * config/mips/mips.c (mips_cpu_info_table): Add sb1a.
2481 (mips_rtx_cost_data): Add PROCESSOR_SB1A support.
2482 (mips_issue_rate): Add PROCESSOR_SB1A.
2483 (mips_multipass_dfa_lookahead): Use TUNE_SB1 instead of PROCESSOR_SB1.
2484 * config/mips/mips.h (processor_type): Add PROCESSOR_SB1A.
2485 (TARGET_SB1): Add PROCESSOR_SB1A check.
2486 (TUNE_SB1): Likewise.
2488 * config/mips/mips-protos.h (mips_store_data_bypass_p): New.
2489 * config/mips/mips.c (mips_store_data_bypass_p): New.
2490 * config/mips/sb1.md: Use mips_store_data_bypass_p instead of
2491 store_data_bypass_p.
2493 2006-07-08 Paul Brook <paul@codesourcery.com>
2496 * config/m68k/m68k.md: Add r-m patterns for 68881 movxf.
2498 2006-07-07 Richard Guenther <rguenther@suse.de>
2501 * tree.h (build_one_cst): Declare.
2502 * tree.c (build_one_cst): New function.
2503 * tree-ssa-math-opts.c (get_constant_one): Remove.
2504 (insert_reciprocals): Use build_one_cst.
2505 * fold-const.c (fold_plusminus_mult): Likewise.
2507 2006-07-07 Roger Sayle <roger@eyesopen.com>
2509 * pointer-set.c (pointer_set_destroy): Correct whitespace.
2510 * cfgloopanal.c (dump_graph): Likewise.
2511 * dojump.c (discard_pending_stack_adjust): Likewise.
2512 * fix-header.c (TARGET_EXTRA_INCLUDE, TARGET_EXTRA_PRE_INCLUDES):
2514 * alloc-pool.c (dump_alloc_pool_statistics): Likewise.
2515 * function.c (finalize_block_changes): Likewise.
2516 * gcc-common.c (ggc_free_overhead, dump_gcc_loc_statistics): Likewise.
2517 * tree-ssa-dce.c (clear_control_dependence_bitmap): Likewise.
2518 * rtl.c (dump_rtx_statistics): Likewise.
2519 * tree-ssa-structalias.c (sort_fieldstack, init_alias_heapvars):
2521 * varray.c (dump_varray_statistics): Likewise.
2522 * dfp.c (encode_decimal32, decode_decimal32, encode_decimal64,
2523 decode_decimal64, encode_decimal128, decode_decimal128,
2524 decimal_real_to_decimal): Likewise.
2526 2006-07-07 Richard Guenther <rguenther@suse.de>
2528 PR tree-optimization/28187
2529 * tree-vrp.c (vrp_operand_equal_p): New function.
2530 (vrp_bitmap_equal_p): Likewise.
2531 (update_value_range): Use them to compare old and new
2534 2006-07-06 Roger Sayle <roger@eyesopen.com>
2536 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Add
2537 a default case to switch statement to silence compiler warnings.
2539 2006-07-06 Roger Sayle <roger@eyesopen.com>
2542 * configure.ac (HAVE_AS_IX86_FFREEP): On x86 targets check whether
2543 the configured assembler supports the x87's ffreep mnemonic.
2544 * configure: Regenerate.
2545 * config.in: Regenerate.
2547 * config/i386/i386.c (output_387_ffreep): New function.
2548 (output_fp_compare): Use output_387_ffreep to emit ffreep insns.
2549 (output_387_reg_move): Likewise.
2551 2006-07-06 Paul Eggert <eggert@cs.ucla.edu>
2553 Port to hosts whose 'sort' and 'tail' implementations
2554 treat operands with leading '+' as file names, as POSIX
2555 has required since 2001. However, make sure the code still
2556 works on pre-POSIX hosts.
2557 * Makefile.in (slowcompare): Port to POSIX 1003.1-2001,
2558 which says you should use "tail -c +N" rather than "tail +Nc".
2559 Fix a bug: the old code incorrectly skipped 15 bytes, not 16.
2561 2006-07-06 Zdenek Dvorak <dvorakz@suse.cz>
2563 * tree-ssa-loop-niter.c (scev_probably_wraps_p): Fix typo in
2566 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2569 * config/rs6000/rs6000.c (rs6000_legitimate_address): Do not allow
2570 PRE_{INC,DEC} of TFmode.
2572 2006-07-06 David Edelsohn <edelsohn@gnu.org>
2573 Alan Modra <amodra@bigpond.net.au>
2576 * config/rs6000/rs6000.c (insvdi_rshift_rlwimi_p): Correct shiftop
2579 2006-07-06 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
2582 * config/alpha/predicates.md (alpha_swapped_comparison_operator):
2583 Remove duplicate gtu.
2585 2006-07-05 Jason Merrill <jason@redhat.com>
2589 * stor-layout.c (finish_record_layout): Copy TYPE_PACKED to variants.
2590 * c-common.c (handle_packed_attribute): So don't copy it here.
2591 * c-decl.c (finish_struct): Don't copy TYPE_ALIGN.
2593 2006-07-05 Mike Stump <mrs@apple.com>
2595 * doc/invoke.texi (Invoking G++): Clarify prose for g++.
2597 2006-07-05 H.J. Lu <hongjiu.lu@intel.com>
2600 * config.gcc: Check with_cpu for i[34567]86--*-solaris2.1[0-9]*.
2602 2006-07-05 Richard Guenther <rguenther@suse.de>
2605 * config/i386/i386.md (*negdf2_1): Restrict pattern to
2606 TARGET_SSE2 targets if using SSE math.
2607 (*absdf2_1): Likewise.
2609 2006-07-05 Richard Guenther <rguenther@suse.de>
2611 PR tree-optimization/28162
2612 * fold-const.c (fold_binary): For (-A) * (-B) -> A * B
2613 make sure to convert the operands to the correct type.
2615 2006-07-04 Paolo Bonzini <bonzini@gnu.org>
2617 PR tree-optimization/28218
2619 * tree-ssa-math-opts.c (execute_cse_reciprocals): Fix calls
2620 to calculate and free the dominator information.
2622 2006-07-04 Peter O'Gorman <peter@pogma.com>
2624 * mklibgcc.in: chmod 644 before ranlib during install.
2626 2006-07-04 Andrew Stubbs <andrew.stubbs@st.com>
2627 J"orn Rennecke <joern.rennecke@st.com>
2629 * configure.ac (.eh_frame data check): Use diff -b.
2631 2006-07-04 Eric Botcazou <ebotcazou@libertysurf.fr>
2634 * Makefile.in (BUILD_RTL): Add build/vec.o.
2635 (build/gencondmd.o): Filter out -fkeep-inline-functions.
2636 (build/genextract): Delete.
2637 (build/genautomata): Likewise.
2639 2006-07-04 Alan Modra <amodra@bigpond.net.au>
2642 * config/rs6000/rs6000.c (function_arg_boundary): Double-word align
2643 128-bit IBM long doubles for ABI_V4.
2645 2006-07-03 Eric Botcazou <ebotcazou@adacore.com>
2647 * tree.c (range_in_array_bounds_p): New predicate.
2648 * tree.h (range_in_array_bounds_p): Declare it.
2649 * tree-eh.c (tree_could_trap_p) <ARRAY_RANGE_REF>: Use it to
2650 return a less conservative answer.
2651 * tree-sra.c (struct sra_elt): Add new pointer field 'groups'
2652 and flag 'is_group'.
2653 (IS_ELEMENT_FOR_GROUP): New macro.
2654 (FOR_EACH_ACTUAL_CHILD): Likewise.
2655 (next_child_for_group): New helper function.
2656 (can_completely_scalarize_p): Take into account groups.
2657 (sra_hash_tree): Handle RANGE_EXPR.
2658 (sra_elt_eq): Likewise.
2659 (lookup_element): Be prepared for handling groups.
2660 (is_valid_const_index): Delete.
2661 (maybe_lookup_element_for_expr) <ARRAY_REF>: Use in_array_bounds_p
2662 instead of is_valid_const_index.
2663 <ARRAY_RANGE_REF>: New case.
2664 (sra_walk_expr) <ARRAY_REF>: Use in_array_bounds_p instead of
2665 is_valid_const_index.
2666 <ARRAY_RANGE_REF>: Do not unconditionally punt.
2667 (scan_dump): Dump info for groups too.
2668 (decide_instantiation_1): Likewise.
2669 (decide_block_copy): Assert that the element is not a group.
2670 Propagate decision to groups.
2671 (generate_one_element_ref): Handle RANGE_EXPR.
2672 (mark_no_warning): Iterate over actual childs.
2673 (generate_copy_inout): Likewise.
2674 (generate_element_copy): Likewise.
2675 (generate_element_zero): Likewise.
2676 (generate_element_init_1): Likewise.
2677 (dump_sra_elt_name): Handle RANGE_EXPR.
2679 2006-07-03 Roger Sayle <roger@eyesopen.com>
2681 PR tree-optimization/26251
2682 * tree-ssa-threadupdate.c (redirection_block_p): New function.
2683 (thread_block): When optimizing for size refuse to thread jumps
2684 that would require duplication of blocks other than redirection
2687 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2689 * configure.ac: Fix thinko in previous check-in.
2690 * configure: Regenerate.
2692 2006-07-03 Paolo Bonzini <bonzini@gnu.org>
2695 * configure.ac (for lang...): Simplify nesting of conditionals.
2696 Test subdir_requires for non-enabled languages. Move processing
2697 of lang_opt_files and lang_tree_fiels below that test.
2698 * configure: Regenerate.
2699 * doc/sourcebuild.texi (Front End Config): Document subdir_requires.
2701 2006-07-01 Martin Michlmayr <tbm@cyrius.com>
2703 * doc/gcov.texi (Invoking Gcov): Add a missing word.
2705 2006-06-30 Kazu Hirata <kazu@codesourcery.com>
2707 * cfgexpand.c, config/i386/i386.c, genpreds.c, tree-cfg.c: Fix
2710 2006-06-29 Jason Merrill <jason@redhat.com>
2717 * tree.c (build_decl_stat): Don't hande #pragma visibility here.
2718 * c-common.c (c_determine_visibility): Handle it here.
2719 * c-decl.c (finish_decl): Call c_determine_visibility for
2721 * flags.h (enum symbol_visibility): Sort from most to least visibility.
2723 * varasm.c (default_assemble_visibility): Likewise.
2724 * c-common.c (handle_visibility_attribute): Complain about trying
2725 to give visibility to an already defined class, or trying to change
2726 declared visibility. Always attach the attribute.
2731 * attribs.c (decl_attributes): Ignore type-in-place attributes
2732 once the type has been defined.
2734 2006-06-29 Roger Sayle <roger@eyesopen.com>
2737 * c-lex.c (c_lex_with_flags) <CPP_N_INVALID>: Increment errorcount
2738 to indicate the cpplib has issued an error message for us.
2740 2006-06-29 Asher Langton <langton2@llnl.gov>
2743 * config/i386/i386.c (ix86_output_function_epilogue): Don't
2744 insert a label at the end of an function under Mach-O.
2746 2006-06-29 Eric Christopher <echristo@apple.com>
2747 Evan Cheng <evan.cheng@apple.com>
2749 * predicates.md (vector_all_ones_operand): New.
2750 (nonimmediate_or_sse_const_operand): Ditto.
2751 * config/i386/i386-protos.h (standard_sse_constant_opcode): Declare.
2752 * config/i386/i386.c (standard_sse_constant_opcode): Define.
2753 (standard_sse_mode_p): Ditto.
2754 (standard_sse_constant_p): Add case for -1 vector.
2755 (ix86_expand_vector_move): Try to use.
2756 * sse.md (*mov<mode>_internal): Use nonimmediate_or_sse_const_operand.
2757 Call standard_sse_constant_opcode.
2758 (*movv4sf_internal): Ditto.
2759 (*movv2df_internal): Ditto.
2761 2006-06-29 Roger Sayle <roger@eyesopen.com>
2763 * genpreds.c (write_match_code_switch): Correctly use XSTR instead
2764 of XEXP to extract the operands of a MATCH_CODE rtx.
2766 2006-06-28 Andrew Pinski <pinskia@gmail.com>
2768 * tree.c (tree_size): Do not waste tail padding in
2769 struct tree_string and make the size be the same as
2770 build_string will generate.
2772 2006-06-28 Jason Merrill <jason@redhat.com>
2775 * tree-ssa-alias.c (compute_flow_insensitive_aliasing): Add
2776 may_aliases already in the tag's annotations to the bitmap.
2778 2006-06-28 Roger Sayle <roger@eyesopen.com>
2780 * genpreds.c (write_predicate_stmts) <IOR>: Add missing break.
2782 2006-06-28 Roger Sayle <roger@eyesopen.com>
2784 * genpreds.c (generate_switch_p): New function.
2785 (add_mode_tests): Push the new mode test down inside an AND expr
2786 if this allows the switch-suitable MATCH_CODE to be near the root.
2787 (write_match_code_switch): New function to write a MATCH_CODE as
2789 (write_predicate_stmts): New function to write a predicate RTX
2790 expression as a sequence of statements.
2791 (write_one_predicate_function): Use write_predicate_stmts.
2792 (write_tm_constrs_h): Likewise.
2794 2006-06-26 Fred Fish <fnf@specifix.com>
2796 * config/mips/t-sb1: New file.
2797 * config.gcc (mipsisa64sb1-*-elf*): Add mips/t-sb1 to
2800 2006-06-26 DJ Delorie <dj@redhat.com>
2802 * config/m32c/m32c.c (m32c_print_operand): Fix sign-merging logic.
2804 2006-06-26 Naveen H.S <naveenh@kpitcummins.com>
2805 Jayant Sonar <jayants@kpitcummins.com>
2806 Jaydeep Vipradas <jaydeepv@kpitcummins.com>
2808 * config/m32c/addsub.md (addsi3, addsi3_1, addsi3_2): New.
2809 (subsi3, subsi3_1, subsi3_2): New.
2810 * config/m32c/bitops.md (andsi3, iorsi3, xorsi3): New.
2811 * config/m32c/mov.md (SI mov peephole): New.
2812 * config/m32c/m32.c (m32c_immd_dbl_mov): New.
2813 * config/m32c/m32c-protos.h (m32c_immd_dbl_mov): New.
2815 2006-06-26 Olivier Hainque <hainque@adacore.com>
2817 * function.c (aggregate_value_p): Honor DECL_BY_REFERENCE on
2818 a CALL_EXPR target function declaration.
2820 2006-06-26 Richard Guenther <rguenther@suse.de>
2822 * tree.c (build_string): Do not waste tail padding in
2825 2006-06-26 Richard Guenther <rguenther@suse.de>
2827 * ggc-page.c (init_ggc): Add missing element to size_lookup
2831 2006-06-23 Richard Guenther <rguenther@suse.de>
2833 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2834 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2835 alignment requests instead. Add verification code.
2836 Add struct tree_function_decl and struct tree_binfo size to
2837 extra_order_size_table. Add missing element to size_lookup
2840 2006-06-25 Eric Botcazou <ebotcazou@adacore.com>
2843 * fold-const.c (const_binop): Be prepared for self returning zero.
2844 Simplify code handling complex values.
2846 2006-06-24 Olivier Hainque <hainque@adacore.com>
2848 * gimplify.c (gimplify_scalar_mode_aggregate_compare): New function.
2849 (gimplify_expr): Use it for tcc_comparison of operands of non BLKmode
2852 2006-06-24 Olivier Hainque <hainque@adacore.com>
2854 * tree-ssa-loop-im.c (for_each_index): Handle ARRAY_RANGE_REF as
2855 ARRAY_REF, so have the callback called for the low bound expression.
2857 2006-06-23 Janis Johnson <janis187@us.ibm.com>
2859 * tree.h (DECIMAL_FLOAT_TYPE_P): New.
2860 * c-typeck.c (c_common_type): Disallow operations on decimal float
2861 types and other float types.
2862 * convert.c (convert_to_real): Don't ignore conversions involving
2863 decimal float types.
2865 2006-06-23 Olivier Hainque <hainque@adacore.com>
2867 * tree.c (max_int_size_in_bytes): New function, inspired from
2868 code in function.c:assign_temp.
2869 * tree.h (max_int_size_in_bytes): Declare.
2870 * function.c (assign_temp): Use it.
2871 * gimplify.c (create_tmp_var): Relax the assertions on the type
2872 properties, not mandating constant size any more.
2873 (force_constant_size): New static function.
2874 (gimple_add_tmp_var): Use it, forcing variable size to a
2875 constant upper bound if it is not constant on entry.
2877 2006-06-23 Danny Smith <dannysmith@users.sourceforge.net>
2880 * config/i386/winnt.c (ix86_handle_selectany_attribute): Move check
2881 for initialization and setting of one_only flag to ...
2882 (i386_pe_encode_section_info): ...here.
2883 (i386_pe_dllimport_p): Check for DECL_DLLIMPORT_P also.
2884 Recheck that the symbol has not been defined.
2886 2006-06-23 Richard Guenther <rguenther@suse.de>
2888 * ggc-page.c (init_ggc): Do not round up the extra_order_size_table
2889 sizes to MAX_ALIGNMENT. Fix the size_lookup table to honour
2890 alignment requests instead. Add verification code.
2891 Add struct tree_function_decl and struct tree_binfo size to
2892 extra_order_size_table. Add missing element to size_lookup
2895 2006-06-22 Roger Sayle <roger@eyesopen.com>
2896 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
2899 * expr.c (expand_expr_real_1) <VECTOR_CST>: Check whether the
2900 call to lang_hooks.types.type_for_mode returned NULL_TREE.
2902 2006-06-23 Ben Elliston <bje@au.ibm.com>
2904 * dfp.c (decimal_to_decnumber): Do not use decNumberNegate to
2905 negate dn -- manipulate it directly.
2907 2006-06-22 Roger Sayle <roger@eyesopen.com>
2908 Steven Bosscher <stevenb.gcc@gmail.com>
2911 * reload1.c (gen_reload): Call mark_jump_label on the new insns
2912 generated by gen_move_insn to add REG_LABEL notes if necessary.
2914 2006-06-22 Bob Wilson <bob.wilson@acm.org>
2916 * config/xtensa/lib1funcs.asm (MIN_ESA): Delete.
2917 (leaf_entry): Remove use of MIN_ESA.
2919 2006-06-22 Zdenek Dvorak <dvorakz@suse.cz>
2921 PR rtl-optimization/28121
2922 * cfgexpand.c (tree_expand_cfg): Clean EDGE_EXECUTABLE flag from
2925 2006-06-21 DJ Delorie <dj@redhat.com>
2927 * config/m32c/muldiv.md (mulhisi3_i): Only use registers for dest
2929 (mulhisi3_r): Likewise.
2931 2006-06-21 Richard Sandiford <richard@codesourcery.com>
2934 * coverage.c (coverage_counter_alloc): Leave the index type
2936 (coverage_counter_alloc): Use null arguments for operands 2 and 3
2939 2006-06-21 Andrew Pinski <pinskia@physics.uc.edu>
2941 * doc/invoke.texi (-fopenmp) Move to "Options Controlling C Dialect"
2942 section from the "Options for Code Generation Conventions".
2944 2006-06-21 Richard Henderson <rth@redhat.com>
2948 * config/alpha/predicates.md (small_symbolic_operand): Deny weak
2950 (global_symbolic_operand): Allow weak symbols, even if local_p.
2952 2006-06-21 Eric Botcazou <ebotcazou@adacore.com>
2954 * tree-ssa-loop-ivopts.c (may_be_nonaddressable_p): New function.
2955 (find_interesting_uses_address): Punt if above function returns true.
2957 2006-06-21 Richard Guenther <rguenther@suse.de>
2959 * configure: Regenerated.
2961 2006-06-21 Joseph Myers <joseph@codesourcery.com>
2963 * config/mips/mips.c (function_arg): Where one part of a
2964 complex argument is in registers and the other part in the stack,
2965 return a REG not a PARALLEL.
2967 2006-06-21 Mark Mitchell <mark@codesourcery.com>
2969 * configure.ac: Set gcc_gxx_include_dir to $target/include/c++
2970 when cross-compiling. Do not substitute libstdcxx_incdir.
2971 * configure: Regenerated.
2973 2006-06-21 Jakub Jelinek <jakub@redhat.com>
2975 * varasm.c (mergeable_string_section): Check for embedded NULs and
2976 NUL termination in the first int_size_in_bytes (TREE_TYPE (decl))
2977 rather than TREE_STRING_LENGTH bytes.
2979 2006-06-21 Richard Guenther <rguenther@suse.de>
2981 * ggc-page.c (extra_order_size_table): Add var_ann_d,
2982 tree_ssa_name, bitmap_element and phi_node with 4 arguments
2985 2006-06-21 Richrad Guenther <rguenther@suse.de>
2987 * tree-ssa-loop-niter.c (simplify_using_initial_conditions):
2988 Limit iteration over the dominators.
2990 2006-06-20 Roger Sayle <roger@eyesopen.com>
2992 * config/mips/iris6.h (LIB_SPEC): Add support for -pthread.
2993 (SUBTARGET_CPP_SPEC): Define _REENTERANT if -pthread specified.
2995 2006-06-20 Richard Guenther <rguenther@suse.de>
2996 Michael Matz <matz@suse.de>
2998 * alloc-pool.h (free_alloc_pool_if_empty): Prototype new
3000 * alloc-pool.c (free_alloc_pool_if_empty): New function.
3001 * et-forest.h (et_free_pools): Prototype new function.
3002 * et-forest.c (et_free_tree_force): Free parent occurrence.
3003 (et_free_pools): New function.
3004 * dominance.c (free_dominance_info): Free et-forest alloc
3007 2006-06-20 Roger Sayle <roger@eyesopen.com>
3009 * expr.c (expand_expr_real_1) <VECTOR_CST>: For vector constants with
3010 integer modes, attempt to directly construct an integer constant.
3012 * fold-const.c (native_encode_vector): Determine the size of each
3013 element from the vector type instead of the first vector element.
3015 * tree.c (build_constructor_single): Mark a CONSTRUCTOR as constant,
3016 if all of its elements/components are constant.
3017 (build_constructor_from_list): Likewise.
3019 2006-06-20 Zdenek Dvorak <dvorakz@suse.cz>
3021 PR tree-optimization/27331
3022 * tree-data-ref.c (free_data_ref): New function.
3023 (create_data_ref): Fail if the data reference has unknown access
3025 (free_data_refs): Use free_data_ref.
3027 2006-06-19 Andrew Pinski <pinskia@gmail.com>
3030 * tree-inline.c (setup_one_parameter): Strip useless
3031 type conversion before adding it to the IR.
3032 (declare_return_variable): Likewise.
3034 2006-06-19 Martin Michlmayr <tbm@cyrius.com>
3037 * c-common.c (c_common_truthvalue_conversion): Fix grammar in warning.
3039 2006-06-19 Mike Stump <mrs@apple.com>
3041 * tree.c (variably_modified_type_p): VM arguments don't make the
3044 2006-06-19 Richard Guenther <rguenther@suse.de>
3046 * tree-ssa-pre.c (try_combine_conversion): Strip useless
3047 type conversions after folding.
3049 2006-06-19 Richard Guenther <rguenther@suse.de>
3051 * ggc-page.c (extra_order_size_tab): Add entries with
3052 size of struct function and basic_block.
3053 (size_lookup): Extend to cover sizes up to 511.
3054 (ggc_alloc_stat): Adjust user.
3055 (ggc_pch_count_object): Likewise.
3056 (ggc_pch_alloc_object): Likewise.
3057 (ggc_pch_write_object): Likewise.
3059 2006-06-19 Zdenek Dvorak <dvorakz@suse.cz>
3061 * tree-ssa-loop-niter.c (implies_ge_p): New function.
3062 (derive_constant_upper_bound): Handle OP0 - CST in unsigned types
3065 2006-06-19 Denis Chertykov <denisc@overta.ru>
3067 * config/avr/libgcc.S : Correct my wrong previous commit.
3069 2006-06-19 Roger Sayle <roger@eyesopen.com>
3072 * expmed.c (expand_shift): On SHIFT_COUNT_TRUNCATED targets, we may
3073 have stripped a SUBREG from the shift count, so we may need to
3074 convert_to_mode back to the type's mode before calling make_tree.
3075 Use new_amount instead of amount to avoid expanding a tree twice.
3077 2006-06-19 Richard Guenther <rguenther@suse.de>
3080 * fold-const.c (operand_equal_p): Check if the argument types
3081 have the same precision before stripping NOPs.
3083 2006-06-19 Daniel Berlin <dberlin@dberlin.org>
3085 Fix PR tree-optimization/27341
3086 * tree-cfg.c (gimplify_val): Call mark_new_vars_to_rename on the
3088 * tree-complex.c (pass_lower_complex): Update SMT usage.
3090 2006-06-19 Andreas Krebbel <krebbel1@de.ibm.com>
3092 * config/s390/s390.md ("doloop_si64", "doloop_si31", "doloop_di"):
3093 Add a new alternative to the constraint strings. Add move of
3094 operand 1 to 3 to the splitter definition.
3095 ("doloop_si_long"): Second contraint alternative removed.
3097 2006-06-08 Anatoly Sokolov <aesok@post.ru>
3099 * config/avr/avr.h (avr_have_movw_lpmx_p): Declare.
3100 (TARGET_CPU_CPP_BUILTINS): Add __AVR_HAVE_MOVW__ and
3102 (AVR_HAVE_MOVW) Define.
3103 (ASSEMBLER_DIALECT): Use AVR_HAVE_MOVW.
3104 (ASM_SPEC): Add avr25.
3105 (LINK_SPEC): Add avr25.
3106 * config/avr/avr.c (avr_have_movw_lpmx_p): Add.
3107 (base_arch_s): Add new member 'have_movw_lpmx'.
3108 (avr_arch_types): Init 'have_movw_lpmx'.
3109 (avr_mcu_types): Add 'avr25'. Move attiny13, attiny2313, attiny24,
3110 attiny44, attiny84, attiny25, attiny45, attiny85, attiny261,
3111 attiny461, attiny861 and at86rf401 in 'avr25' arhitecture.
3112 (avr_override_options): Init 'avr_have_movw_lpmx_p'.
3113 (output_movhi, output_movsisf, ashlsi3_out, avr_rtx_costs): Use
3115 (avr_file_start): Do not output '.arh' derective.
3116 * config/avr/libgcc.S (mov_l): Use __AVR_HAVE_MOVW__.
3117 (__do_copy_data): Use __AVR_HAVE_LPMX__.
3118 * config/avr/avr.md (mcu_enhanced): Delete.
3119 (mcu_have_movw): Define.
3120 (negsi2, extendhisi2, zero_extendhisi2): Use 'mcu_have_movw'.
3121 (call_insn, call_value_insn): Use 'call_insn' and __AVR_HAVE_MOVW__.
3122 * config/avr/t-avr(MULTILIB_OPTIONS, MULTILIB_DIRNAMES): Add avr25.
3123 (MULTILIB_MATCHES): Add attiny13, attiny2313, attiny24, attiny44,
3124 attiny84, attiny25, attiny45, attiny85, attiny261, attiny461,
3125 attiny861 and at86rf401 devices.
3127 2006-06-18 Jie Zhang <jie.zhang@analog.com>
3129 * config/bfin/bfin.c (MAX_LOOP_LENGTH): Define to be 2042 instead
3132 2006-06-17 Karl Berry <karl@gnu.org>
3134 * doc/cpp.texi, doc/cppinternals.texi, doc/gcc.texi,
3135 doc/gccint.texi, doc/install.texi (@dircategory): Use
3136 "Software development" instead of "Programming", following
3137 the Free Software Directory.
3139 2006-06-17 Alexandre Oliva <aoliva@redhat.com>
3141 * config/i386/i386.c (legitimate_tls_address)
3142 <TARGET_GNU2_TLS>: Add tp after DTPOFF.
3143 * config/i386/i386.md (*tls_dynamic_gnu2_combine_32): Adjust.
3144 (*tls_dynamic_gnu2_combine_64): Likewise.
3146 2006-06-16 Richard Guenther <rguenther@suse.de>
3149 * fold-const.c (negate_expr_p): Do not introduce undefined
3150 overflow in negating INTEGER_CSTs.
3151 (fold_negate_expr): Rename from negate_expr. Revert last
3152 change for folding BIT_NOT_EXPR. Change semantics to
3153 return NULL_TREE for non-simplified negations. Do not
3154 strip type conversions and unify type handling.
3155 (negate_expr): New function, wrap around fold_negate_expr
3156 but ensure building a tree always. Strip type conversions
3157 here, fold to result type.
3158 (fold_unary): Use fold_negate_expr for folding NEGATE_EXPR.
3160 2006-06-16 Roger Sayle <roger@eyesopen.com>
3163 * reg-stack.c (subst_stack_regs): Handle noreturn function calls
3164 that (would) return their results in stack registers.
3166 2006-06-16 Michael Matz <matz@suse.de>
3167 Richard Guenther <rguenther@suse.de>
3169 * fold-const.c (fold_truthop): Only return new tree node if
3170 we canonicalized something.
3172 2006-06-16 Richard Guenther <rguenther@suse.de>
3174 * function.h (enum function_frequency): Move declaration
3175 out of struct function.
3176 (struct function): Move bool fields and the enum to the bitfield
3177 section. Reorder elements to avoid padding. Remove unused
3178 fields left over from the RTL inliner removal.
3179 * function.c (free_after_compilation): Do not zero removed fields.
3180 * Makefile.in (ipa-reference.o): Add $(FUNCTION_H) dependency.
3181 (ipa-type-escape.o): Likewise.
3183 2006-06-16 Richard Guenther <rguenther@suse.de>
3185 * cgraph.h (struct cgraph_local_info): Turn bool elements
3187 (struct cgraph_node): Likewise.
3188 (struct cgraph_varpool_node): Likewise.
3190 2006-06-15 Richard Guenther <rguenther@suse.de>
3192 * fold-const.c (fold_truth_not_expr): Rename from
3193 invert_truthvalue. Give it fold_* semantics to avoid
3195 (invert_truthvalue): New function. Wrapper around
3196 fold_truth_not_expr.
3197 (optimize_minmax_comparison): Avoid creating garbage.
3198 (fold_unary): Use fold_truth_not_expr for folding
3200 (fold_ternary): Replace uses of invert_truthvalue with
3201 fold_truth_not_expr where applicable.
3202 * tree.h (fold_truth_not_expr): Prototype.
3204 2006-06-16 Richard Guenther <rguenther@suse.de>
3206 PR tree-optimization/27781
3207 * Makefile.in (ipa-pure-const.o): Add $(TARGET_H) dependency.
3208 * ipa-pure-const.c (target.h): Include.
3209 (analyze_function): Do not analyze functions that do not
3212 2006-06-15 Andrew MacLeod <amacleod@redhat.com>
3215 * tree-dfa.c (referenced_vars_dup_list): Remove.
3216 (find_referenced_vars): Remove assert.
3217 (referenced_var_check_and_insert): Replace dup list with assert.
3218 * tree-ssa.c (delete_tree_ssa): Remove dup list processing.
3219 * tree-flow.h (referenced_vars_dup_list): Remove extern decl.
3221 2006-06-15 Richard Guenther <rguenther@suse.de>
3223 * tree-ssa-structalias.c (alias_get_name): Avoid creating
3224 extra unused identifiers if not dumping.
3225 (create_variable_info_for): Likewise.
3227 2006-06-15 Zdenek Dvorak <dvorakz@suse.cz>
3229 * tree-ssa-loop-niter.c (implies_nonnegative_p): New function.
3230 (derive_constant_upper_bound): Derive more precise upper bound in
3231 common cases. Return type changed to double_int.
3232 (record_estimate): Reflect the changed return type of
3233 derive_constant_upper_bound.
3234 * double-int.c (double_int_zext, double_int_sext): Fix.
3236 2006-06-15 Paolo Bonzini <bonzini@gnu.org>
3238 * configure.ac (CFLAGS): Get them from the toplevel or from the
3239 configure invocation.
3240 * configure: Regenerate.
3241 * Makefile.in (CFLAGS): Substitute value provided by configure.
3243 2006-06-14 Mark Mitchell <mark@codesourcery.com>
3246 * c-common.h (c_finish_omp_atomic): Adjust declaration.
3247 * c-omp.c (c_finish_omp_atomic): Return the expression to perform,
3248 rather than calling add_stmt on it.
3249 * c-parser.c (c_parser_omp_atomic): Adjust accordingly.
3251 2006-06-14 Andreas Krebbel <krebbel1@de.ibm.com>
3254 * reload1.c (reload): Remove registers returned by update_eliminables
3255 from used_spill_regs.
3257 2006-06-13 DJ Delorie <dj@redhat.com>
3259 * config/m32c/muldiv.md (mulpsi3): Expect arbitrary constants.
3261 2006-06-13 Carlos O'Donell <carlos@codesourcery.com>
3263 * Makefile.in: Define HTMLS_BUILD, HTMLS_INSTALL,
3264 html__strip_dir, html__mkdir_p. Enhance install-html target.
3265 * configure.ac: AC_SUBST datarootdir, docdir and htmldir.
3266 * configure: Regenerate.
3268 2006-06-13 Fariborz Jahanian <fjahanian@apple.com>
3270 * fold-const.c (fold_cond_expr_with_comparison): Check for
3271 Objective-C++ as language in deciding COND_EXPR transformation.
3273 2006-06-06 J"orn Rennecke <joern.rennecke@st.com>
3276 * config/sh/t-sh (LIB1ASMFUNCS): Add _udiv_qrnnd16
3277 * config/sh/sh.c (print_operand): Add !SHMEDIA functionality to 'M'.
3278 * config/sh/lib1funcs.h (SL, SL1): Define.
3279 * config/sh/lib1funcs.asm (__udiv_qrnnd16): New hidden function.
3280 * longlong.h (__sh__): Define umul_ppmm, udiv_qrnnd and sub_ddmmss.
3281 * config/sh/t-sh ($(T)unwind-dw2-Os-4-200.o): New rule.
3282 (OBJS_Os_4_200): New variable.
3283 ($(T)libgcc-Os-4-200.a): Use it.
3284 * sh.md (udivsi3): For TARGET_DIVIDE_CALL_TABLE, avoid function call
3285 when dividing 1 and/or by 0.
3287 2006-06-13 Roger Sayle <roger@eyesopen.com>
3289 * configure.ac (HAS_MCONTEXT_T_UNDERSCORES): Include <sys/signal.h>
3290 before <ucontext.h> to define sigset_t required by <sys/ucontext.h>.
3291 * configure: Regenerate.
3293 2006-06-13 Jie Zhang <jie.zhang@analog.com>
3295 * config/bfin/bfin.c (bfin_reorg_loops): Only call recog_memoized ()
3296 for real instruction.
3298 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3301 * haifa-sched.c (check_cfg): Handle special case.
3303 2006-06-13 Eric Botcazou <ebotcazou@adacore.com>
3306 * gimplify.c (declare_tmp_vars): Rename into declare_vars.
3307 Add debug_info parameter. Chain the vars to the BLOCK instead
3308 of the BIND_EXPR if debug info are requested for them.
3309 (pop_gimplify_context): Adjust for above change.
3310 (gimple_add_tmp_var): Likewise.
3311 * tree-gimple.h (declare_tmp_vars): Rename into declare_vars.
3313 * tree-nested.c (convert_nonlocal_reference): Adjust for above change.
3314 (convert_local_reference): Likewise.
3315 (get_local_debug_decl): Set DECL_IGNORED_P on the original variable.
3316 (finalize_nesting_tree_1): Request that debug info be emitted
3317 for debug_var_chain.
3319 2006-06-13 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3321 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Fix the patch
3322 for PR target/27863.
3324 2006-06-13 Richard Guenther <rguenther@suse.de>
3327 * except.c (output_ttype): Expand type with EXPAND_INITIALIZER.
3329 2006-06-13 Richard Guenther <rguenther@suse.de>
3331 PR tree-optimization/27830
3332 * tree-inline.c (copy_body_r): For copying the operand
3333 of an ADDR_EXPR make sure to fold &* afterwards.
3335 2006-06-12 Eric Botcazou <ebotcazou@adacore.com>
3337 * gimplify.c (gimplify_expr): Treat VIEW_CONVERT_EXPR like other
3338 lvalues in the fb_none case with side-effects.
3340 2006-06-12 Kazu Hirata <kazu@codesourcery.com>
3342 * tree-flow.h: Remove the prototype for
3343 compute_phi_arg_on_exit.
3344 * tree-ssa-loop-ivopts.c (protect_loop_closed_ssa_form_use,
3345 protect_loop_closed_ssa_form, compute_phi_arg_on_exit):
3348 2006-06-12 Mark Shinwell <shinwell@codesourcery.com>
3350 * builtins.c (expand_builtin_return_addr): Only use
3351 frame_pointer_rtx when count == 0 and we are expanding
3352 __builtin_return_address.
3354 2006-06-12 Fred Fish <fnf@specifix.com>
3356 * config/mips/mips.c (mips_file_start): Create special section
3357 ".gcc_compiled_longXX" for o64 ABI as well as EABI.
3359 2006-06-11 Eric Christopher <echristo@apple.com>
3362 * stor-layout.c (place_field): Remove check for
3363 remaining_in_alignment when aligning at the end of a run.
3365 2006-06-11 Eric Christopher <echristo@apple.com>
3368 * doc/extend.texi (Structure-Packing Pragmas): Document ms_struct
3371 2006-06-11 Roger Sayle <roger@eyesopen.com>
3374 Revert incorrect fix for PR target/27158
3375 2006-05-08 Roger Sayle <roger@eyesopen.com>
3376 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
3377 of a reg_equiv_constant if the result is a legitimate constant.
3379 2006-06-11 Roger Sayle <roger@eyesopen.com>
3382 * config/rs6000/rs6000.c (const_vector_elt_as_int): New function to
3383 extract a CONST_VECTOR element and interpret it as an integer.
3384 (vspltis_constant): Use const_vector_elt_as_int instead of the
3385 macro CONST_VECTOR_ELT in order to handle FP vector modes.
3386 * config/rs6000/predicates.md (easy_vector_const): Consider
3387 floating point ALTIVEC_VECTOR_MODEs via easy_altivec_constant.
3389 2006-06-11 Kaz Kojima <kkojima@gcc.gnu.org>
3392 * stor-layout.c (update_alignment_for_field): Don't add extra
3393 alignment for packed non-bitfield fields in ms_bitfield_layout_p
3396 2006-06-09 Ralf Corsepius <ralf.corsepius@rtems.org>
3398 * config/mips/t-rtems: Add EL/EB multilib variants.
3400 2006-06-09 Mike Stump <mrs@apple.com>
3402 * c-typeck.c (c_begin_vm_scope): Fix file_scope processing.
3404 2006-06-09 David Daney <ddaney@avtrex.com>
3406 * doc/install.texi: Add binutils version recommendation for mips-*-*.
3408 2006-06-09 Andreas Krebbel <krebbel1@de.ibm.com>
3410 * reload.c (find_reloads): Unset force_reload for 'X' constraint.
3412 2006-06-09 Richard Guenther <rguenther@suse.de>
3414 PR tree-optimization/26998
3415 * tree-vrp.c (extract_range_from_unary_expr): For NEGATE_EXPR
3416 of signed types, only TYPE_MIN_VALUE is special, but for both,
3417 minimum and maximum value. Likewise VR_ANTI_RANGE is special
3418 in this case, as is -fwrapv.
3420 2006-06-08 Mike Stump <mrs@apple.com>
3423 * config/darwin.c (darwin_asm_output_anchor): Disable
3424 -fsection-anchors on darwin for now.
3425 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Likewise.
3426 * rs6000/rs6000.c (optimization_options): Likewise.
3428 2006-06-08 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3431 * config/i386/i386.c (classify_argument): Skip fields with invalid
3434 2006-06-08 Steven Bosscher <steven@gcc.gnu.org>
3436 * cse.c (flush_hash_table): Use VOIDmode to invalidate a REG.
3437 (cse_insn): Likewise for the stack_pointer_rtx.
3439 2006-06-08 Roger Sayle <roger@eyesopen.com>
3441 * tree-ssa-dom.c (record_conditions): Only record "unordered"
3442 conditions from floating point comparisons.
3444 2006-06-08 Paolo Bonzini <bonzini@gnu.org>
3447 * expmed.c (struct alg_hash_entry): Fix type of field T
3448 to match synth_mult argument.
3449 (NUM_ALG_HASH_ENTRIES): Make it bigger for 64-bit HOST_WIDE_INT.
3451 2006-06-08 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3454 * haifa-sched.c (unlink_other_notes, unlink_line_notes): Update basic
3457 2006-06-08 Richard Guenther <rguenther@suse.de>
3460 * fold-const.c (negate_expr_p): We can negate BIT_NOT_EXPR
3461 only, if overflow is defined and not trapping.
3462 (negate_expr): Likewise.
3464 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3466 PR tree-optimization/27872
3467 * tree-ssa-loop-manip.c (tree_unroll_loop): Set EDGE_IRREDUCIBLE_LOOP
3468 flag on the new exit edge of the unrolled loop.
3470 2006-06-07 Zdenek Dvorak <dvorakz@suse.cz>
3472 PR rtl-optimization/26449
3473 * loop-invariant.c (move_invariant_reg): Fail if force_operand fails.
3475 2006-06-07 Andrew MacLeod <amacleod@redhat.com>
3478 * tree-dfa.c (referenced_vars_dup_list): New. List of duplicate
3479 referenced_variables with matching DECL_UID's.
3480 (find_referenced_vars): Make sure duplicate list is empty to start.
3481 (referenced_var_p): Remove.
3482 (referenced_var_check_and_insert): Renamed from referenced_var_insert.
3483 Check if var is in the list, and add if needed. Update the duplicate
3484 list if a different var is in the list with the same DECL_UID.
3485 (add_referenced_var): Call routine to check and insert.
3486 * tree-ssa.c (delete_tree_ssa): Clear var_ann's on duplicates.
3487 * tree-flow.h (referenced_vars_dup_list): External declaration.
3489 2006-06-07 Fred Fish <fnf@specifix.com>
3491 * config/mips/t-elf (MULTILIB_MATCHES): Combine two entries
3494 2006-06-07 Paolo Bonzini <bonzini@gnu.org>
3497 * reg-stack.c (subst_stack_regs_pat): Reorder resetting of
3498 the imaginary and real parts of a clobbered register.
3499 Emit insn to set the imaginary part.
3501 2006-06-06 Peter Lemieszewski <lemie@us.ibm.com>
3503 * config/s390/t-tpf (LIB2ADDEH): Include unwind-dw2-fde-glibc.c
3504 in lieu of unwind-dw2-fde.c.
3506 2006-06-06 Francois-Xavier Coudert <coudert@clipper.ens.fr>
3508 * config/i386/mingw32.h (GOMP_SELF_SPECS): Define.
3510 2006-06-06 Ulrich Weigand <uweigand@de.ibm.com>
3513 * config/rs6000/altivec.md (UNSPEC_VSLW): Remove.
3514 ("altivec_vspltisw_v4sf", "altivec_vslw_v4sf"): Remove.
3515 ("mulv4sf3", "absv4sf3", "negv4sf3"): Adapt users to use
3516 V4SImode temporaries and operations instead.
3518 2006-06-06 Joseph S. Myers <joseph@codesourcery.com>
3520 * config/mips/t-linux64 (tp-bit.c): Append to tp-bit.c, not
3523 2006-06-06 Mike Stump <mrs@apple.com>
3525 * Makefile.in: Rename to htmldir to build_htmldir to avoid
3526 installing during build.
3528 2006-06-06 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
3530 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): Change default
3532 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
3533 * config/ia64/ia64.c (params.h): New header.
3534 (ia64_optimization_options): New function to adjust parameters.
3535 * config/ia64/ia64-protos.h (ia64_optimization_options): New prototype.
3536 * config/ia64/ia64.h (OPTIMIZATION_OPTIONS): New macro.
3537 * config/ia64/t-ia64 (ia64.o): Add dependence from params.h .
3539 2006-06-05 Kazu Hirata <kazu@codesourcery.com>
3541 * stor-layout.c (debug_rli): Fix a typo in a debug message.
3543 2006-06-05 Steve Ellcey <sje@cup.hp.com>
3546 * config/ia64/ia64.c (ia64_select_rtx_section): Check TARGET_NO_SDATA.
3548 2006-06-05 Dorit Nuzman <dorit@il.ibm.com>
3549 Victor Kaplansky <victork@il.ibm.com>
3551 PR tree-optimization/26360
3552 * tree-vectorizer.c (destroy_loop_vec_info): Remove (dead) pattern
3555 2006-06-04 Roger Sayle <roger@eyesopen.com>
3556 Andrew Pinski <pinskia@physics.uc.edu>
3559 * c-common.c (c_common_truthvalue_conversion): Explicitly check
3560 for LABEL_DECL before calling DECL_WEAK.
3563 * c-typeck.c (build_binary_op): Likewise, explicitly check for
3564 LABEL_DECL and PARM_DECL.
3566 2006-06-05 Joseph S. Myers <joseph@codesourcery.com>
3570 * c-decl.c (grokdeclarator): Disallow variably modified types at
3571 file scope. Avoid marking shared array type of constant size as
3574 2006-06-04 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3577 * c-common.c (fold_offsetof_1): Handle static members.
3579 2006-06-04 Eric Christopher <echristo@apple.com>
3581 * stor-layout.c (start_record_layout): Initialize remaining_in_alignment.
3582 (debug_rli): Output value for remaining_in_alignment.
3583 (update_alignment_for_field): Unconditionalize
3584 ms_bitfield_layout_p code. Handle non-bitfield fields. Remove
3585 extra alignment code.
3586 (place_field): Don't realign if ms_bitfield_layout_p. Unconditionalize
3587 ms_bitfield_layout_p code. Rewrite handling of structure fields.
3588 * tree.h (record_layout_info_s): Remove prev_packed.
3589 * doc/extend.texi (ms_struct): Add documentation of format.
3591 2006-06-04 Mark Shinwell <shinwell@codesourcery.com>
3593 * tree.h: Declare folding_initializer.
3594 * builtins.c (fold_builtin_constant_p): Give definite answer
3595 if folding inside an initializer.
3596 * fold-const.c: Define folding_initializer.
3597 (START_FOLD_INIT): Save and then set folding_initializer.
3598 (END_FOLD_INIT): Restore folding_initializer.
3600 2006-06-04 Richard Guenther <rguenther@suse.de>
3602 PR tree-optimization/27039
3603 * fold-const.c (fold_comparison): Handle pointer comparison
3604 again for all comparison codes. Compare offsets in signed
3606 (fold_binary): Move code from here.
3608 2006-06-03 Roger Sayle <roger@eyesopen.com>
3611 * config/i386/i386.c (construct_container): Split static issued_error
3612 flag into issued_sse_arg_error, issued_sse_ret_error and
3613 issued_x87_ret_error. Issue a daignostic if the x86-64 ABI
3614 requires the use of x87 registers and the user explicitly
3615 specified the -mno-80387 command line option.
3617 2006-06-02 Geoffrey Keating <geoffk@apple.com>
3619 * config/rs6000/host-darwin.c (sigaltstack): Protect prototype with
3620 HAVE_DECL_SIGALTSTACK.
3622 (segv_handler): Use MC_FLD.
3623 * configure.ac: Check for a sigaltstack declaration.
3624 Compute HAS_MCONTEXT_T_UNDERSCORES on Darwin.
3625 * configure: Regenerate.
3626 * config.in: Regenerate.
3628 2006-06-03 J"orn Rennecke <joern.rennecke@st.com>
3631 * Makefile.in (stmp-fixinc): Fix typo.
3633 2006-06-02 Roger Sayle <roger@eyesopen.com>
3635 * fold-const.c (fold_unary) <CONJ_EXPR>: Ensure folded expressions
3636 are type correct. Clean-up.
3637 <REALPART_EXPR>: Likewise. Optimize creal(~z) as creal(z).
3638 <IMAGPART_EXPR>: Likewise. Optimize cimag(~z) as -cimag(z).
3640 2006-06-01 DJ Delorie <dj@redhat.com>
3642 * config/v850/v850.h (ASM_OUTPUT_ADDR_DIFF_ELT): Disabled the
3643 shift, as we've disabled the "switch" insn that needs it.
3645 2006-06-01 Per Bothner <bothner@bothner.com>
3647 Suppress extra '#1 <built-in> or '#1 <command line>' on -dD output.
3648 * c-opts.c (finish_options): Use internal line 0 for <command-line>.
3649 * c-ppoutput.c (cb_define): Don't increment line 0.
3651 2006-06-01 Pete Steinmetz <steinmtz@us.ibm.com>
3653 * doc/invoke.texi: Add cpu_type power6.
3654 * config.gcc: Add cpu_type power6.
3655 * config/rs6000/rs6000.c (rs6000_override_options): Alias power6
3656 to power5+ with Altivec.
3657 * config/rs6000/aix52.h (ASM_CPU_SPEC): Add power6.
3658 * config/rs6000/rs6000.h (ASM_CPU_SPEC): Add power6.
3660 2006-05-30 Anatoly Sokolov <aesok@post.ru>
3662 * config/avr/avr.h (SET_ASM_OP): Define.
3664 2006-06-01 Kazu Hirata <kazu@codesourcery.com>
3666 * config/bfin/bfin.c: Fix comment typos.
3668 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3671 * doc/install.texi: Document --enable-bootstrap and
3672 --disable-bootstrap.
3674 2006-06-01 Paolo Bonzini <bonzini@gnu.org>
3676 * doc/install.texi: Document that InfoZIP can replace jar.
3678 2006-05-31 Roger Sayle <roger@eyesopen.com>
3680 * config/i386/i386.c (ix86_expand_fp_absneg_operator): When SSE
3681 isn't available, directly generate the simpler x87 patterns without
3682 the (use (const_int 0)).
3683 * config/i386/i386.md (*negsf2_1): Enable pre-reload if the SSE
3684 implementation isn't available.
3685 (*negdf2_1): Likewise.
3686 (*negxf2_1): XF mode negation is always done using the x87.
3687 (*abssf2_1, *absdf2_1, *absxf2_1): Likewise^3 for fabs.
3689 2006-05-31 Roger Sayle <roger@eyesopen.com>
3691 * builtins.c (fold_builtin_cabs): Delete prototype. Require an
3692 additional FNDECL argument. Optimize cabs(-z) and cabs(~z) as
3694 (fold_builtin_decl) <BUILT_IN_CABS>: Update fold_builtin_cabs call.
3696 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3698 * config/bfin/bfin-protos.h (bfin_hardware_loop): Declare.
3699 * config/bfin/bfin.c (basic-block.h): Include.
3700 (struct machine_function): New.
3701 (bfin_init_machine_status): New.
3702 (override_options): Initialize init_machine_status.
3703 (bfin_hardware_loop): New.
3704 (MAX_LOOP_DEPTH, MAX_LOOP_LENGTH): Define.
3705 (DEF_VEC_P (loop_info)): New.
3706 (DEF_VEC_ALLOC_P (loop_info,heap)): New.
3707 (struct loop_info): New.
3708 (loop_info): New typedef.
3709 (struct loop_work): New.
3710 (loop_work): New typedef.
3711 (DEF_VEC_O (loop_work)): New.
3712 (DEF_VEC_ALLOC_O (loop_work,heap)): New.
3713 (bfin_dump_loops): New.
3714 (bfin_bb_in_loop): New.
3715 (bfin_scan_loop): New.
3716 (bfin_optimize_loop): New.
3717 (bfin_reorg_loops): New.
3718 (bfin_reorg): Use bfin_reorg_loops.
3719 * config/bfin/bfin.h (FIRST_PSEUDO_REGISTER): Adjust for adding
3721 (I_REGNO_P): Simplify.
3722 (DP_REGNO_P, DPREG_P): New macros.
3723 (REGISTER_NAMES, FIXED_REGISTERS, CALL_USED_REGISTERS,
3724 REG_ALLOC_ORDER): Add LT0, LT1, LC0, LC1, LB0, LB1.
3725 (enum reg_class, REG_CLASS_NAMES, REG_CLASS_CONTENTS):
3726 Add LT_REGS, LC_REGS, LB_REGS.
3727 (REG_CLASS_FROM_LETTER): Add 't' for LT_REGS, 'k' for LC_REGS,
3729 (REGNO_REG_CLASS): Deal with loop registers.
3730 * config/bfin/bfin.md: Add comment for 't', 'k', 'l' constraint
3732 (REG_LT0, REG_LT1, REG_LC0, REG_LC1, REG_LB0, REG_LB1):
3733 New constants for loop registers.
3734 (UNSPEC_LSETUP_END): New.
3735 (seq_insns): New define_attr. Set it for appropriate insns.
3736 (movsi_insn): Add alternatives for move from/to
3737 loop count registers.
3738 (doloop_end): New define_expand.
3739 (loop_end): New define_insn.
3740 (define_split for bad doloop_end): New.
3741 (lsetup_with_autoinit): New define_insn.
3742 (lsetup_without_autoinit): New define_insn.
3743 (rep_movsi, rep_movhi): Clobber LT1, LC1, LB1.
3744 * config/bfin/predicates.md (lc_register_operand): New.
3745 (lt_register_operand): New.
3746 (lb_register_operand): New.
3747 (nondp_register_operand): New.
3748 (nondp_reg_or_memory_operand): New.
3749 * doc/md.texi: Document Blackfin new 't', 'k', 'l' constraint letters.
3751 2006-05-31 Jie Zhang <jie.zhang@analog.com>
3753 * config/bfin/bfin.c (bfin_delegitimize_address): New.
3754 (TARGET_DELEGITIMIZE_ADDRESS): Define.
3756 2006-05-31 Daniel Jacobowitz <dan@codesourcery.com>
3758 * Makefile.in (CATALOGS): Add po/ prefix.
3759 * configure: Regenerated.
3761 2006-05-31 Richard Earnshaw <richard.earnshaw@arm.com>
3764 * arm.c (arm_print_operand case 'S'): Validate that the operand is
3765 a shift operand before calling shift_op. Avoid redundant call of
3768 2006-05-30 Naveen.H.S <naveenh@kpitcummins.com>
3769 DJ Delorie <dj@redhat.com>
3771 * config/m32c/m32c.c (m32c_expand_insv): Check that the value
3772 we're inserting is a singlt-bit constant.
3774 2006-05-30 Roger Sayle <roger@eyesopen.com>
3776 * simplify-rtx.c (simplify_binary_operation_1) <LSHIFTRT>: Cast
3777 width to HOST_WIDE_INT to avoid comparison warnings on some targets.
3779 2006-05-30 Roger Sayle <roger@eyesopen.com>
3781 PR tree-optimization/23452
3782 * fold-const.c (fold_mult_zconjz): New subroutine of fold_binary,
3783 to optimize z * conj(z) as realpart(z)^2 + imagpart(z)^2.
3784 (fold_binary) <MULT_EXPR>: Call fold_mult_zconjz for integral
3785 complex values and with -ffast-math for FP complex values.
3787 2006-05-30 Kazu Hirata <kazu@codesourcery.com>
3789 * c-common.h: Remove the prototype for yyparse.
3790 * rtl.h: Remove the prototype for init_loop.
3792 2006-05-30 Andreas Krebbel <krebbel1@de.ibm.com>
3794 * cse.c (validate_canon_reg, cse_insn): Don't change insns without
3797 2006-05-30 Roger Sayle <roger@eyesopen.com>
3799 * simplify-rtx.c (simplify_binary_operation): Unfactor the shift
3801 <LSHIFTRT>: Optimize (lshiftrt (clz X) C) as (eq X 0) where C is
3802 log2(GET_MODE_BITSIZE(X)) on targets with the appropriate semantics.
3804 2006-05-30 Dirk Mueller <dmueller@suse.de>
3807 * c-common.c (convert_and_check): Only track TREE_CONSTANT_OVERFLOW
3808 for CONSTANT_CLASS_P expresisons.
3810 2006-05-30 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
3813 * c-typeck.c (c_expr_sizeof_type): Handle invalid types.
3815 2006-05-30 Zdenek Dvorak <dvorakz@suse.cz>
3817 PR tree-optimization/27779
3818 * tree-data-ref.c (analyze_siv_subscript_cst_affine): Use
3819 initial_condition instead of CHREC_LEFT.
3821 2006-05-30 Steven Bosscher <stevenb.gcc@gmail.com>
3823 * config/m32r/m32r.h (DBX_OUTPUT_SOURCE_LINE): Fix type of begin_label.
3824 * config/m32r/initfini.c (__do_global_dtors, __do_global_ctors):
3825 Make prototypes ISO C90.
3827 2006-05-30 Mircea Namolaru <namolaru@il.ibm.com>
3828 Leehod Baruch <leehod.baruch@weizmann.ac.il>
3830 * see.c (see_analyze_one_def): Correct check.
3831 (see_get_extension_data): Check if extension is parallel.
3832 (see_get_extension_reg): Likewise.
3834 2006-05-30 Uros Bizjak <uros@kss-loka.si>
3837 * config/i386/i386.c (ix86_expand_int_vcond): Force cop0
3838 into register for (code == GTU).
3840 2006-05-29 Roger Sayle <roger@eyesopen.com>
3842 PR tree-optimization/24964
3843 * simplify-rtx.c (simplify_binary_operation_1): Add function comment.
3844 <MULT>: Minor clean-up. Don't convert x*-1.0 into -x if we honor
3845 signaling NaNs. Optimize -x*-x as x*x for all float modes, and
3846 abs(x)*abs(x) as x*x for scalar floating point modes.
3848 2006-05-29 Sebastian Pop <pop@cri.ensmp.fr>
3851 * lambda-code.c (perfect_nestify): Don't copy statements
3852 in the inner loop: move them to the inner loop header.
3854 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3857 * c-tree.texi: Document OpenMP directives and clauses.
3859 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3861 * varasm.c (globalize_decl): Fix indentation.
3863 2006-05-29 Diego Novillo <dnovillo@redhat.com>
3866 * doc/passes.texi: Add documentation for pass_vrp, pass_ipa_pta,
3867 pass_fre, pass_store_ccp, pass_copy_prop,
3868 pass_store_copy_prop, pass_merge_phi, pass_nrv,
3869 pass_return_slot, pass_object_size, pass_lim,
3870 pass_linear_transform, pass_empty_loop, pass_complete_unroll,
3871 pass_loop_prefetch and pass_stdarg.
3873 2005-05-29 Bernd Schmidt <bernd.schmidt@analog.com>
3875 * config/bfin/bfin.opt (mfdpic): New option.
3876 * config/bfin/t-bfin-elf (EXTRA_PARTS): Add crtbeginS.o and crtendS.o.
3877 (EXTRA_MULTILIB_PARTS): Likewise.
3878 (CRTSTUFF_T_CFLAGS, TARGET_LIBGCC2_CFLAGS): Use -fpic.
3879 (MULTILIB_OPTIONS, MULTILIB_EXCEPTIONS): Build one extra -mfdpic
3881 * config/bfin/elf.h (STARTFILE_SPEC): Don't link in crt0.o if -shared.
3882 (CRT_CALL_STATIC_FUNCTION): New.
3883 * config/bfin/uclinux.h (STARTFILE_SPEC): Don't link in crt0.o if
3885 (CRT_CALL_STATIC_FUNCTION): New.
3886 * config/bfin/bfin.c (legitimize_pic_address): Now static. Handle
3888 (n_pregs_to_save): PIC register doesn't need to be saved with FD-PIC.
3889 (print_operand): Handle UNSPEC_MOVE_FDPIC and UNSPEC_FUNCDESC_GOT17M4.
3890 (initialize_trampoline): Changed to handle FD-PIC code generation.
3891 (expand_move): If TARGET_FDPIC, use emit_pic_move as needed.
3892 (bfin_expand_call): Generate FD-PIC calls if TARGET_FDPIC.
3893 (override_options): Disallow -mid-shared-library -mfdpic combination.
3894 Can't do unaligned ops if FD-PIC.
3895 Turn off flag_pic if trying to generate non-id-shared-library
3896 non-fdpic code, since it's not supported.
3897 (bfin_assemble_integer): New function.
3898 (TARGET_ASM_INTEGER): Define.
3899 * config/bfin/crti.s (__init, __fini): Save P3 on the stack if
3901 * config/bfin/crtn.s: Restore them.
3902 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define __BFIN_FDPIC__
3904 (DRIVER_SELF_SPECS, SUBTARGET_DRIVER_SELF_SPECS,
3905 LINK_GCC_C_SEQUENCE_SPEC, ASM_SPEC, LINK_SPEC): New macros.
3906 (FDPIC_FPTR_REGNO, FDPIC_REGNO, OUR_FDPIC_REG): New macros.
3907 (TRAMPOLINE_SIZE, TRAMPOLINE_TEMPLATE): Adjust for FD-PIC.
3908 (CONDITIONAL_REGISTER_USAGE): If TARGET_FDPIC, FDPIC_REGNO is
3910 (enum reg_class, REG_CLASS_CONTENTS, REG_CLASS_NAMES): Add
3911 FDPIC_REGS and FDPIC_FPTR_REGS.
3912 (REG_CLASS_FROM_LETTER): Use 'Z' and 'Y' for them.
3913 * config/bfin/bfin.md (UNSPEC_MOVE_FDPIC, UNSPEC_FUNCDESC_GOT17M4,
3914 UNSPEC_VOLATILE_LOAD_FUNCDESC): New constants.
3915 (load_funcdescsi): New pattern.
3916 (call_symbol_fdpic, sibcall_symbol_fdpic, call_value_symbol_fdpic,
3917 sibcall_value_symbol_fdpic, call_insn_fdpic, sibcall_insn_fdpic,
3918 call_value_insn_fdpic, sibcall_value_insn_fdpic): New patterns.
3920 2006-05-29 Kazu Hirata <kazu@codesourcery.com>
3922 * gcse.c, rtlanal.c: Remove obsolete comments associated with
3925 * config/bfin/bfin.h (PARM_BOUNDRY, STACK_BOUNDRY): Remove.
3927 * tree-flow.h: Remove the prototype for add_type_alias.
3928 * tree-ssa-alias.c (add_type_alias): Remove.
3930 2006-05-28 Kazu Hirata <kazu@codesourcery.com>
3932 * cfgcleanup.c, cfgexpand.c, cgraphunit.c, config/arm/arm.c,
3933 config/fr30/fr30.md, config/i386/i386-interix.h,
3934 config/i386/i386.c, config/i386/i386.md, config/sh/superh.h,
3935 config/sh/superh64.h, config/v850/v850.c, df-core.c,
3936 df-problems.c, df.h, except.c, final.c, haifa-sched.c,
3937 lambda-code.c, libgcc2.h, omp-low.c, optabs.c, predict.c,
3938 reload.c, tree-flow.h, tree-outof-ssa.c, tree-ssa-dce.c,
3939 tree-ssa-pre.c, tree-vect-transform.c: Fix comment typos.
3940 Follow spelling conventions.
3941 * doc/invoke.texi, doc/rtl.texi, doc/tm.texi: Fix typos.
3942 Follow spelling conventions.
3944 2006-05-27 Richard Guenther <rguenther@suse.de>
3947 * fold-const.c (fold_plusminus_mult_expr): Use fold_convert
3948 to produce a constant of value 1 of generic type.
3950 2006-05-27 Dirk Mueller <dmueller@suse.de>
3952 * cgraphunit.c (decide_is_function_needed): Fix wrong
3955 2006-05-26 Ulrich Weigand <uweigand@de.ibm.com>
3957 PR rtl-optimization/27661
3958 * reload.c (find_reloads): When reloading a VOIDmode constant
3959 as address due to an EXTRA_MEMORY_CONSTRAINT or 'o' constraint,
3960 use Pmode as mode of the reload register.
3962 2006-05-26 Eric Botcazou <ebotcazou@adacore.com>
3964 * doc/invoke.texi (Optimize Options): Document that -funit-at-a-time
3965 is enabled at -O and above.
3967 2006-05-26 Steven Bosscher <steven@gcc.gnu.org>
3970 * config/alpha/alpha.c (alpha_does_function_need_gp): Skip jump
3973 2006-05-25 Mark Mitchell <mark@codesourcery.com>
3976 * gimplify.c (gimplify_decl_expr): Do not call gimple_add_tmp_var
3977 for anonymous variables explicitly declared by front ends.
3979 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3981 * tree-ssa-structalias.h (PTR_IS_REF_ALL): New macro.
3982 (struct alias_info): Add new field ref_all_symbol_mem_tag.
3983 * tree-ssa-alias.c (compute_may_aliases): If the program contains
3984 ref-all pointers, run a finalization pass for them.
3985 (compute_flow_insensitive_aliasing): Skip ref-all pointers.
3986 (finalize_ref_all_pointers): New function.
3987 (is_escape_site): Return ESCAPE_BAD_CAST for conversion from a
3988 regular pointer type to a ref-all pointer type.
3989 (get_tmt_for): Return the special memory tag for ref-all pointers.
3991 2006-05-25 Richard Guenther <rguenther@suse.de>
3994 * fold-const.c (fold_binary): Do not look at the stripped
3995 op0 for (a OP c1) OP c2 to a OP (c1+c2) shift optimization.
3997 2006-05-25 Eric Botcazou <ebotcazou@adacore.com>
3999 * tree-vrp.c (extract_range_from_assert): Set the range to VARYING
4000 for LT and GT if the computed range is effectively empty.
4002 2006-05-24 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4005 * pa/pa-modes.def: Use mips_single_format, mips_double_format and
4006 mips_quad_format formats instead of ieee_single_format,
4007 ieee_double_format and ieee_quad_format formats, respectively.
4009 2006-05-24 Zdenek Dvorak <dvorakz@suse.cz>
4011 PR tree-optimization/27639
4012 PR tree-optimization/26719
4013 * tree-vrp.c (adjust_range_with_scev): Use scev_direction and adjust
4014 call to scev_probably_wraps_p.
4015 * tree-ssa-loop-niter.c (compare_trees, convert_step_widening,
4016 used_in_pointer_arithmetic_p, convert_step): Removed.
4017 (nowrap_type_p): New function.
4018 (scev_probably_wraps_p): Rewritten.
4019 * tree-scalar-evolution.c (instantiate_parameters_1): Do not call
4020 chrec_convert if chrec_convert_aggressive might have been used.
4021 * tree-chrec.c (convert_affine_scev, chrec_convert_1,
4022 scev_direction): New functions.
4023 (chrec_convert): Changed to a wrapper over chrec_convert_1.
4024 * tree-ssa-loop-ivopts.c (idx_find_step): Use convert_affine_scev
4025 instead of convert_step.
4026 * tree-flow.h (scev_probably_wraps_p): Declaration changed.
4027 (convert_step): Declaration removed.
4028 (convert_affine_scev, nowrap_type_p, scev_direction): Declare.
4030 2006-05-23 Kenneth Zadeck <zadeck@naturalbridge.com>
4032 * df-core.c: Added to header comments.
4033 * df.h (df_ru_bb_info, df_rd_bb_info, df_lr_bb_info,
4034 df_ur_bb_info, df_urec_bb_info): Added comments.
4035 * df-problems (df_ref_bitmap, ru, rd, lr, ur,
4036 urec, ri problems): Fixed header comments.
4037 (df_ru_transfer_function): Fixed in-out set dyslexia when copying
4038 code from df_rd_transfer_function.
4040 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4042 * libgcc2.c (LIBGCC2_MAX_UNITS_PER_WORD): New macro.
4043 (LIBGCC2_UNITS_PER_WORD): Use LIBGCC2_MAX_UNITS_PER_WORD rather than
4044 MIN_UNITS_PER_WORD to set the default. Also use it in the guard.
4046 2006-05-23 Joseph Myers <joseph@codesourcery.com>
4048 * expr.c (undefined_operand_subword_p): New.
4049 (emit_move_multi_word): Do not generate move from undefined bits
4050 of a paradoxical subreg.
4052 2006-05-23 Richard Sandiford <richard@codesourcery.com>
4054 PR rtl-optimization/27736
4055 * combine.c (replaced_rhs_value): New variable.
4056 (combine_instructions): Set it.
4057 (distribute_notes): When distributing a note in replaced_rhs_insn,
4058 check whether the value was used in replaced_rhs_value.
4060 2006-05-23 Andrew MacLeod <amacleod@redhat.com>
4063 * tree-ssa-loop-im.c (determine_invariantness_stmt): Use
4064 add_referenced_var instead of add_referenced_tmp_var.
4065 * tree-complex.c (create_one_component_var): Use add_referenced_var.
4066 * tree-ssa-loop-manip.c (create_iv, tree_unroll_loop): Use
4068 * tree-tailcall.c (adjust_accumulator_values, adjust_return_value,
4069 tree_optimize_tail_calls_1): Use add_referenced_var.
4070 * tree-ssa-loop-ivopts.c (create_new_iv): Use add_referenced_var.
4071 * tree-ssa-alias.c (create_memory_tag, create_global_var, create_sft):
4072 Use add_referenced_var.
4073 * tree-if-conv.c (ifc_temp_var): Use add_referenced_var.
4074 * gimplify.c (force_gimple_operand): Use add_referenced_var.
4075 * tree-ssa-phiopt.c (conditional_replacement, abs_replacement):
4076 Use add_referenced_var.
4077 * tree-dfa.c (struct walk_state): Remove.
4078 (find_referenced_vars): Remove walk state and vars_found hash table.
4079 (make_rename_temp): Use add_referenced_var.
4080 (find_vars_r): Pass less parameters to add_referenced_var.
4081 (referenced_var_p): New. Is var in referenced_var hash table.
4082 (referenced_var_insert): Assert var isn't already in hash table.
4083 (add_referenced_var): Don't need walk_state parameter. Add var if it
4084 isn't already in the hash table.
4085 (add_referenced_tmp_var): Remove.
4086 (find_new_referenced_vars_1): Use add_referenced_var.
4087 * tree-ssa-pre.c (create_expression_by_pieces,
4088 insert_into_preds_of_block, insert_extra_phis, realify_fake_stores):
4089 Use add_referenced_var.
4090 * tree-vect-patterns.c (vect_pattern_recog_1): Use add_referenced_var.
4091 * lambda-code.c (lbv_to_gcc_expression, lle_to_gcc_expression,
4092 lambda_loopnest_to_gcc_loopnest, perfect_nestify): Use
4094 * tree-vect-transform.c (vect_create_addr_base_for_vector_ref,
4095 vect_create_data_ref_ptr, vect_create_destination_var,
4096 vect_init_vector, vect_build_loop_niters,
4097 vect_generate_tmps_on_preheader, vect_update_ivs_after_vectorizer,
4098 vect_gen_niters_for_prolog_loop, vect_create_cond_for_align_checks):
4099 Use add_referenced_var.
4100 * tree-outof-ssa.c (create_temp): Use add_referenced_var.
4101 * tree-flow.h (add_referenced_tmp_var): Remove prototype
4102 (add_referenced_var): Add prototype.
4103 * tree-ssa-structalias.c (get_constraint_for,
4104 intra_create_variable_infos): Use add_referenced_var.
4106 2006-05-23 Alexandre Oliva <aoliva@redhat.com>
4108 * simplify-rtx.c (simplify_subreg): Adjust REG_OFFSET for
4109 big-endian paradoxical subregs.
4110 * var-tracking.c (struct micro_operation_def): Document that,
4111 for modify micro operations, insn is the subsequent instruction.
4112 (var_reg_delete_and_set, var_mem_delete_and_set): Split into...
4113 (var_reg_set, var_mem_set): ... new functions.
4114 (add_stores): Record subsequent insn.
4115 (compute_bb_dataflow): Use new functions for MO_USE.
4116 (emit_notes_in_bb): Use new functions for MO_USE. Emit use
4117 notes after the insn, and modify notes before the insn known
4118 to be the subsequent one.
4119 (vt_initialize): Invert sorting of MO_CLOBBERs and MO_SETs.
4121 2006-05-23 Kazu Hirata <kazu@codesourcery.com>
4124 * config/i386/i386.c (ix86_expand_builtin): Use
4125 gen_sse3_monitor64 for TARGET_64BIT.
4127 2006-05-22 Kenneth Zadeck <zadeck@naturalbridge.com>
4129 PR rtl-optimization/26375
4130 PR rtl-optimization/26855
4131 * df-problems (df_ru_bb_local_compute_process_def): Removed update
4133 (df_ru_bb_local_compute): Reversed statements and removed bogus
4134 comment explaining why they should be in wrong order.
4135 (df_ru_dump, df_rd_dump): Enhanced debug info.
4136 * modulo-sched.c (sms_schedule, tree_opt_pass pass_sms): Enhanced
4138 * ddg.c (add_deps_for_def): Converted use of reaching defs to
4139 reaching uses and fixed space problem.
4141 2006-05-23 Jan Hubicka <jh@suse.cz>
4143 * cgraphunit.c (decide_is_function_needed): Also nested functions
4144 and functions declared inline can be optimized out at -O0.
4146 2006-05-22 Gerald Pfeifer <gerald@pfeifer.com>
4148 * doc/install.texi (Configuration): Remove reference to CrossGCC
4152 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4155 * config/i386/i386.c (ix86_expand_branch): Jump to simple if
4156 ix86_compare_emitted is non-NULL.
4158 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4161 * stmt.c (expand_asm_operands): Skip asm statement with erroneous
4164 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4166 PR rtl-optimization/25514
4167 * combine.c (replaced_rhs_insn): New variable.
4168 (combine_instructions): Set replaced_rhs_insn when trying to replace
4169 a SET_SRC with a REG_EQUAL note.
4170 (distribute_notes): Use replaced_rhs_insn when determining the live
4171 range of a REG_DEAD register.
4173 2006-18-05 Joerg Wunsch <j.gnu@uriah.heep.sax.de>
4174 Anatoly Sokolov <aesok@post.ru>
4176 * config/avr/avr.c (avr_mcu_types): Add support for attiny261,
4177 attiny461, attiny861, attiny25, attiny45, attiny85, attiny24,
4178 attiny44, attiny84, at90pwm2, at90pwm3, atmega165p, atmega169p,
4179 atmega164p, atmega324p, atmega644p, atmega644, atmega329,
4180 atmega3290, atmega649, atmega6490, atmega406, atmega640,
4181 atmega1280, atmega1281, at90can32, at90can64, at90usb646,
4182 at90usb647, at90usb1286 and at90usb1287 devices.
4183 * config/avr/avr.h (LINK_SPEC, CRT_BINUTILS_SPECS): (Ditto.).
4184 * config/avr/t-avr (MULTILIB_MATCHES): (Ditto.).
4186 2006-05-22 Richard Sandiford <richard@codesourcery.com>
4188 * mklibgcc.in (lib2funcs): Remove _floatdidf from initial assignment.
4190 2006-05-22 Richard Guenther <rguenther@suse.de>
4193 2006-01-31 Richard Guenther <rguenther@suse.de>
4194 Paolo Bonzini <bonzini@gnu.org>
4196 * doc/install.texi (--disable-libgcc-math): Document.
4198 2006-05-22 Richard Guenther <rguenther@suse.de>
4201 2006-01-31 Richard Guenther <rguenther@suse.de>
4203 * doc/invoke.texi (-msselibm): Document.
4204 * target.h (expand_library_builtin): New target hook.
4205 * builtins.c (expand_builtin): Use expand_library_builtin.
4206 (default_expand_library_builtin): New function.
4207 * gcc.c (LINK_GCC_MATH_SPEC): Define.
4208 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
4209 (link_gcc_math_spec): Declare.
4210 (static_specs): Add link_gcc_math_spec.
4211 * expr.h (default_expand_library_builtin): Declare.
4212 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4213 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
4214 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
4215 * config/i386/i386.opt (msselibm): New target option.
4216 * config/i386/i386.c (ix86_builtin_function_variants): New array.
4217 (ix86_init_sse_abi_builtins): New function.
4218 (ix86_expand_library_builtin): Likewise.
4219 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
4220 (override_options): Handle error conditions wrt -msselibm.
4221 (ix86_builtins): Add function codes for SSE2 ABI builtins.
4222 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
4223 * doc/extend.texi (__builtin_sse2_*): Document new target specific
4226 2006-05-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4229 * c-common.c (self_promoting_args_p): Skip erroneous args.
4232 * c-decl.c (finish_struct): Skip erroneous fields.
4234 2006-05-22 Nick Clifton <nickc@redhat.com>
4236 * config/cris/cris.opt (march): Remove VarExists attribute.
4237 (max-stackframe=): Likewise.
4239 2006-05-22 Kazu Hirata <kazu@codesourcery.com>
4241 * doc/rtl.texi: Fix a typo.
4242 * see.c: Fix comment typos.
4244 * tree-ssa-structalias.h (alias_info): Remove num_references.
4246 2006-05-21 Mike Stump <mrs@apple.com>
4248 * config/darwin-c.c (BAD): Conditionalize on OPT_Wpragmas.
4250 (darwin_pragma_options): Use BAD instead.
4251 (darwin_pragma_unused): Likewise.
4252 (darwin_pragma_ms_struct): Likewise.
4254 2006-05-21 David Edelsohn <edelsohn@gnu.org>
4256 * config/rs6000/rs6000.md (floatsitf2): Remove constraints.
4258 2006-05-21 Kazu Hirata <kazu@codesourcery.com>
4260 PR rtl-optimization/27671
4261 * simplify-rtx.c (simplify_relational_operation_1): Fix
4262 simplifications of (eq/ne (xor x y) y) and
4263 (eq/ne (xor x y) x).
4265 PR tree-optimization/26622.
4266 * fold-const.c (fold_ternary) <COND_EXPR>: Call fold_convert
4269 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4271 * tree-cfg.c: Prune whitespace.
4272 (debug_tree_cfg): Point to correct header containing the
4275 2006-05-21 Bernhard Fischer <aldot@gcc.gnu.org>
4278 * cgraphunit.c (verify_cgraph_node): Typo in error message.
4280 2006-05-20 Andrew Pinski <pinskia@physics.uc.edu>
4283 * cgraphunit.c (cgraph_optimize): Don't run ipa passes if error
4284 or sorry count is non zero.
4286 2006-05-20 Andreas Schwab <schwab@suse.de>
4288 * config/pa/pa-linux.h (STRING_ASM_OP): Prepend and append a tab.
4290 2006-05-19 Daniel Berlin <dberlin@dberlin.org>
4291 Kenneth Zadeck <zadeck@naturalbridge.com>
4293 PR rtl-optimization/26855
4295 * df-scan.c (mw_reg_pool, mw_link_pool): New allocation pools for
4297 (df_scan_alloc): Added code to properly handle multiword hard
4298 registers and add all_blocks parameter.
4299 (df_scan_free_internal, df_insn_refs_delete, df_ref_record): Added
4300 code to properly handle multiword hard registers.
4301 (df_rescan_blocks): Added code to remove deleted blocks from
4303 (df_ref_create_structure, df_ref_record): Added code to properly
4305 (df_ref_record_1): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER
4306 and set DF_REF_PARTIAL.
4307 (df_defs_record): Changed DF_REF_CLOBBER into DF_REF_MUST_CLOBBER.
4308 (df_uses_record): Added DF_REF_PARTIAL for subreg.
4309 (df_scan_add_problem): Added flags parameter.
4310 (df_ref_create_structure): Changed switching structure.
4311 (df_bb_refs_record): Fixed case where duplicate artificial refs
4312 were created. Changed location of flags.
4313 (df_record_entry_block_defs): Added code to make stack pointer
4314 live in entry block. Refined cases where frame pointer is needed.
4315 Changed location of flags.
4316 (df_record_exit_block_uses, df_insn_refs_record): Changed location of flags.
4317 (df_set_state): Removed function.
4318 (df_grow_reg_info, df_reg_chain_unlink, df_ref_remove,
4319 df_insn_create_insn_record, df_insn_refs_delete,
4320 df_ref_create_structure): Formatting changes.
4321 * df-core.c (df_mvs_dump, df_set_flags, df_clear_flags,
4322 df_delete_basic_block): New function.
4323 (df_init): Changed location of flags.
4324 (df_add_problem): Added flags parameter and the way flags are
4326 (df_insn_uid_debug, df_ref_debug, debug_df_defno, debug_df_ref,
4327 debug_df_chain): Improved debugging output.
4328 (df_insn_debug, df_insn_uid_debug): Added multiword reg support.
4329 (df_refs_chain_dump): Removed df parameter.
4330 (df_iterative_dataflow): Added consistency check.
4331 (df_prune_to_subcfg): Made public.
4332 (df_analyze_problem): Added blocks_to_init parameter and made
4334 (df_ref_record, df_bb_refs_record, df_mark_reg,
4335 df_record_exit_block_uses): Whitespace changes.
4336 (df_dump): Whitespace changes.
4337 * df.h: Some reordering to remove forward references.
4338 (df_ref_flags.DF_REF_MW_HARDREG, DF_REF_PARTIAL,
4339 DF_REF_MUST_CLOBBER, DF_REF_MAY_CLOBBER): New fields.
4340 (df_ref_flags.DF_REF_CLOBBER): Deleted field.
4341 (dataflow.flags): New field.
4342 (df.flag): Deleted field.
4343 (df_alloc_function): Added additional bitmap parameter.
4344 (df_dependent_problem_function): New type.
4345 (df_problem.changeable_flags): New field.
4346 (df_ref_flags.DF_REF_DIES_AFTER_THIS_USE, DF_SCAN_INITIAL,
4347 DF_SCAN_GLOBAL, DF_SCAN_POST_ALLOC, df_state): Removed.
4348 (df_mw_hardreg): New struct.
4349 (DF_INSN_UID_MWS): New macro.
4350 (df_refs_chain_dump, df_ref_debug, df_chain_dump): Removed df
4352 (df_add_problem, df_ru_add_problem, df_rd_add_problem,
4353 df_lr_add_problem, df_ur_add_problem, df_urec_add_problem,
4354 df_ri_add_problem, df_scan_add_problem): Added flags parameter.
4355 (df_set_state): Removed function.
4356 (df_set_flags, df_clear_flags, df_delete_basic_block) New functions.
4357 * df-problems.c (df_chain_dump): Removed df parameter.
4358 (df_ru_alloc, df_rd_alloc, df_lr_alloc, df_ur_alloc,
4359 df_urec_alloc, df_chain_alloc, df_ri_alloc): Added all blocks
4361 (df_ru_alloc, df_rd_alloc): Now resets all blocks.
4362 (df_rd_bb_local_compute_process_def, df_ur_bb_local_compute,
4363 df_chain_create_bb, df_create_unused_note, df_ri_bb_compute):
4364 Split DF_REF_CLOBBER into DF_REF_MAY_CLOBBER and
4365 DF_REF_MUST_CLOBBER cases.
4366 (df_ru_bb_local_compute_process_def,
4367 df_rd_bb_local_compute_process_def, df_lr_bb_local_compute,
4368 df_lr_bb_local_compute, df_ur_bb_local_compute,
4369 df_chain_create_bb): Made subreg aware.
4370 (df_ru_bb_local_compute, df_rd_bb_local_compute,
4371 df_lr_bb_local_compute, df_lr_bb_local_compute,
4372 df_chain_create_bb): Cleanup to use proper macros.
4373 (df_ur_local_finalize, df_urec_local_finalize): Removed unnecessary
4374 code to fixup bitvectors.
4375 (df_ri_alloc): Cleared lifetime.
4376 (df_ignore_stack_reg, df_kill_notes, df_set_notes_for_mw,
4377 df_create_unused_note): New function.
4378 (df_ri_bb_compute, df_ri_compute): Added code to create/update
4379 REG_DEAD and REG_UNUSED notes as well as register information.
4380 (df_ru_dump, df_rd_dump, df_lr_dump, df_ur_dump, df_urec_dump,
4381 df_chains_dump): Fixed crash if problem was never run.
4382 (df_ru_add_problem, df_rd_add_problem, df_lr_add_problem,
4383 df_ur_add_problem, df_urec_add_problem, df_chain_add_problem,
4384 df_ri_add_problem): Processes flags in uniform manner.
4385 (df_ru_alloc, df_ru_local_compute, df_ru_confluence_n, df_ru_free,
4386 df_ru_dump, df_rd_local_compute, df_rd_confluence_n, df_rd_free,
4387 df_rd_dump, df_urec_free_bb_info): Formatting changes.
4388 (df_ru_free_bb_info, df_ru_bb_local_compute, df_ru_dump,
4389 df_rd_free_bb_info, df_rd_bb_local_compute_process_def,
4390 df_rd_bb_local_compute, df_rd_dump, df_lr_free_bb_info,
4391 df_lr_bb_local_compute, df_lr_local_compute, df_ur_free_bb_info,
4392 df_ur_dump, df_urec_free_bb_info, df_urec_dump,
4393 df_chain_create_bb, df_ri_bb_compute): Whitespace changes.
4394 * modulo-sched.c (sms_schedule): Added flag parameter to calls.
4395 * see.c (see_initialize_data): Ditto.
4396 * final.c (rest_of_clean_state) Added regstack_completed.
4397 * rtl.h (regstack_completed): Ditto.
4398 * reg-stack.c (regstack_completed): Ditto.
4400 2006-05-19 Mike Stump <mrs@apple.com>
4402 * c-tree.h (default_conversion): Remove.
4403 * c-common.h (default_conversion): Add.
4405 2006-05-19 Zdenek Dvorak <dvorakz@suse.cz>
4407 * tree-vrp.c (valid_value_p): New function.
4408 (adjust_range_with_scev): Fail if the value of bound is not
4411 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4413 * config/mips/linux-unwind.h: Include <asm/unistd.h>
4414 (mips_fallback_frame_state): Use syscall numbers to determine
4415 the appropriate li instruction for the current ABI. Only use
4416 __NR_sigreturn for o32.
4418 2006-05-19 Nicolas Setton <setton@adacore.com>
4420 * langhooks.h (struct lang_hooks): Add dwarf_name language hook.
4421 * langhooks.c (lhd_dwarf_name): New function.
4422 * langhooks-def.h (lhd_dwarf_name): Declare.
4423 (LANG_HOOKS_DWARF_NAME): New macro, defaults to lhd_dwarf_name.
4424 * dwarf2out.c (dwarf2_name): Use the dwarf_name language hook.
4425 * ada/misc.c (gnat_dwarf_name): New function.
4426 (LANG_HOOKS_DWARF_NAME): Define to gnat_dwarf_name.
4428 2006-05-19 Richard Sandiford <richard@codesourcery.com>
4430 * libgcc2.c (MIN_UNITS_PER_WORD): Move default definition from
4432 (LIBGCC2_UNITS_PER_WORD): Provide default definition, using old
4433 MIN_UNITS_PER_WORD logic from libgcc2.h. Do nothing if
4434 LIBGCC2_UNITS_PER_WORD > MIN_UNITS_PER_WORD.
4435 * libgcc2.h (MIN_UNITS_PER_WORD): Remove definition from here.
4436 Use LIBGCC2_UNITS_PER_WORD rather than MIN_UNITS_PER_WORD to
4437 determine the size of Wtype, etc.
4438 * mklibgcc.in (LIB2_SIDITI_CONV_FUNCS): New argument.
4439 (swfloatfuncs): New variable.
4440 (dwfloatfuncs): Likewise.
4441 (lib2funcs): Remove floating-point conversion functions from
4442 initial assignment. Use LIB2_SIDITI_CONV_FUNCS to determine
4443 the set of conversion routines needed. Allow entries to specify
4444 an object name, filename and word size. Update users accordingly.
4445 * Makefile.in (libgcc.mk): Pass LIB2_SIDITI_CONV_FUNCS.
4446 * config/mips/t-mips (LIB2_SIDITI_CONV_FUNCS): Define.
4450 2006-02-08 Roger Sayle <roger@eyesopen.com>
4453 * config/fixtfdi.c: New libgcc source file.
4454 * config/fixunstfdi.c: New source file.
4455 * config/floatditf.c: New source file.
4456 * config/floatunditf.c: New souce file.
4457 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
4458 files above instead of config/mips/_tilib.c.
4459 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
4461 2006-05-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4463 * pa/t-hpux-shlib (SHLIB_LINK): Remove `-lc'.
4464 * pa/pa-hpux11.h (LIB_SPEC): Update comment.
4466 2006-05-18 Mike Stump <mrs@apple.com>
4468 Fix up vla, vm and [*] sematics.
4474 * c-tree.h (struct c_arg_info): Add had_vla_unspec.
4475 (c_vla_unspec_p): Add.
4476 (c_vla_type_p): Add.
4477 * c-decl.c (struct c_scope): Add had_vla_unspec.
4478 (build_array_declarator): Add support for [*].
4479 (grokdeclarator): Likewise.
4480 (grokparms): Likewise.
4481 (get_parm_info): Likewise.
4482 * c-objc-common.c (c_vla_unspec_p): Likewise.
4483 * c-objc-common.h (LANG_HOOKS_TREE_INLINING_VAR_MOD_TYPE_P): Likewise.
4484 * c-parser.c (c_parser_typeof_specifier): Evaluate arguments to
4485 typeof when argument is a variably modified type not inside sizeof or alignof.
4486 (c_parser_direct_declarator_inner): Propagate errors.
4487 (c_parser_sizeof_expression): Add support for [*].
4488 (c_parser_parms_declarator): Initialize had_vla_unspec.
4489 (c_parser_parms_list_declarator): Likewise.
4490 * c-typeck.c (c_vla_type_p): Add.
4491 (composite_type): Add support for vla compositing.
4492 (comptypes_internal): Add support for vla compatibility.
4493 (c_expr_sizeof_expr): Evaluate vla arguments.
4494 * tree.c (variably_modified_type_p): Update comment for [*].
4496 2006-05-18 Michael Matz <matz@suse.de>
4499 * config.host: Make assignments to host_xmake_file cumulative.
4500 * config.host (*-darwin*): Test $host, not $target.
4502 2006-05-12 Stuart Hastings <stuart@apple.com>
4504 * config/i386/i386.opt (-mstackrealign): New flag.
4505 * config/i386/i386.c (force_align_arg_pointer): New attribute.
4506 (ix86_handle_cconv_attribute): Emit error when
4507 force_align_arg_pointer attribute collides with too many regparms.
4508 (ix86_function_regparm): Limit regparms when used with
4509 force_align_arg_pointer attribute. (ix86_internal_arg_pointer):
4510 Support stack-realigning prologue in non-main functions. Emit
4511 warning for nested functions under -mstackrealign, emit error for
4512 nested functions with force_align_arg_pointer attribute.
4513 * doc/extend.texi (force_align_arg_pointer): Document it.
4514 * doc/invoke.texi (-mstackrealign): Document it.
4516 2006-05-17 Kazu Hirata <kazu@codesourcery.com>
4518 PR rtl-optimization/27477
4519 * combine.c (try_combine): Don't split a parallel consisting
4520 of two sets into two individual sets if both sets reference
4523 2006-05-17 H.J. Lu <hongjiu.lu@intel.com>
4525 * config/arm/arm.opt (target_fpe_name): Remove VarExists.
4526 * config/rs6000/rs6000.opt (TARGET_NO_FP_IN_TOC): Likewise.
4528 * doc/options.texi (VarExists): Updated.
4530 2006-05-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4532 * unwind-dw2.c: Add declarations for uw_update_context and
4534 * pa/hpux-unwind.h (pa_fallback_frame_state): When an export stub is
4535 detected, advance frame state and context once to skip over stub.
4537 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4541 * tree-loop-linear.c (linear_transform_loops): Don't test perfect_nest_p.
4542 Call rewrite_into_loop_closed_ssa only when something changed.
4543 * lambda.h (gcc_loopnest_to_lambda_loopnest): Update declaration.
4544 * lambda-code.c (can_convert_to_perfect_nest): Declared.
4545 (gcc_loopnest_to_lambda_loopnest): Removed need_perfect_nest parameter.
4546 Test for perfect_nest_p here. Fix formating.
4547 (replace_uses_equiv_to_x_with_y): Fix formating.
4548 (stmt_uses_op): Removed.
4549 (can_convert_to_perfect_nest): Removed loopivs parameter.
4550 Complete the test by checking the scalar dependences.
4551 (perfect_nestify): Remove the test for can_convert_to_perfect_nest.
4554 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4557 From Dan Kegel <dank@kegel.com>:
4558 * Makefile.in: Strip "dir/../" combinations from SYSTEM_INCLUDE_DIR.
4560 2006-05-17 Eric Botcazou <ebotcazou@adacore.com>
4562 * tree.c (variably_modified_type_p) <ARRAY_TYPE>: Return true
4563 if the element type is variably modified without recursing.
4565 2006-05-17 Sebastian Pop <pop@cri.ensmp.fr>
4568 * tree-loop-linear.c (try_interchange_loops): Test for
4569 no data dependences.
4571 2006-05-17 Zdenek Dvorak <dvorakz@suse.cz>
4573 PR tree-optimization/27548
4574 * tree-scalar-evolution.c (scev_const_prop): Do not prolong life
4575 range of ssa names that appear on abnormal edges.
4576 * tree-ssa-loop-ivopts.c (contains_abnormal_ssa_name_p): Export.
4577 * tree-flow.h (contains_abnormal_ssa_name_p): Declare.
4579 2005-05-17 Bernd Schmidt <bernd.schmidt@analog.com>
4582 * expr.c (safe_from_p): Handle CONSTRUCTOR again.
4584 2006-05-17 Jakub Jelinek <jakub@redhat.com>
4587 * tree.h (OMP_PARALLEL_COMBINED): Define.
4588 * gimplify.c (struct gimplify_omp_ctx): Add is_combined_parallel field.
4589 (new_omp_context): Add is_combined_parallel argument.
4590 (gimplify_scan_omp_clauses): Add in_combined_parallel argument, adjust
4591 new_omp_context caller.
4592 (gimplify_omp_parallel, gimplify_omp_for, gimplify_omp_workshare):
4593 Adjust gimplify_scan_omp_clauses callers.
4594 (omp_is_private): Issue errors if iteration variable is firstprivate
4595 or reduction in the current context.
4596 * c-parser.c (c_parser_omp_parallel): Set OMP_PARALLEL_COMBINED
4597 on combined parallel workshare constructs.
4599 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4601 * Makefile.in (GCC_OBJS): Replace options.o with gcc-options.o.
4602 (gcc-options.o): New rule.
4604 * optc-gen.awk: Protect variables for gcc-options.o with
4605 #ifdef GCC_DRIVER/#endif.
4607 2006-05-16 Daniel Berlin <dberlin@dberlin.org>
4609 Fix PR tree-optimization/27373
4610 * tree-ssa-forwprop.c: (forward_propagate_addr_expr_1): Add argument.
4611 (forward_propagate_addr_expr): Update call.
4613 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4615 * doc/options.texi: Move the Negative option.
4617 2006-05-16 Richard Guenther <rguenther@suse.de>
4619 PR tree-optimization/22303
4620 * tree-ssa-ccp.c (fold_const_aggregate_ref): Handle reads
4622 (evaluate_stmt): Fall back to fold_const_aggregate_ref, if
4623 ccp_fold did not simplify the statement.
4625 2006-05-16 H.J. Lu <hongjiu.lu@intel.com>
4628 * Makefile.in (GCC_OBJS): New.
4629 (OBJS-common): Add opts-common.o.
4630 (xgcc$(exeext)): Replace gcc.o with $(GCC_OBJS).
4631 (cpp$(exeext)): Likewise.
4632 (gcc.o): Also depend on opts.h.
4633 (opts-common.o): New.
4635 * common.opt (gcoff): Add Negative(gdwarf-2).
4636 (gdwarf-2): Add Negative(gstabs).
4637 (gstabs): Add Negative(gstabs+).
4638 (gstabs+): Add Negative(gvms).
4639 (gvms): Add Negative(gxcoff).
4640 (gxcoff): Add Negative(gxcoff+).
4641 (gxcoff+): Add Negative(gcoff).
4642 * config/i386/i386.opt (m32): Add Negative(m64).
4643 (m64): Add Negative(m32).
4645 * doc/options.texi: Document the Negative option.
4647 * gcc.c: Include "opts.h".
4648 (main): Call prune_options after expandargv.
4650 * optc-gen.awk: Generate common declarations for all flag
4651 variables in options.c. Output the neg_index field.
4653 * opts.c (find_opt): Moved to ...
4654 * opts-common.c: Here. New file.
4656 * opts.h (cl_option): Add a neg_index field.
4658 (prune_options): Likewise.
4660 2006-05-16 Jakub Jelinek <jakub@redhat.com>
4663 * omp-low.c (expand_omp_parallel): Don't assert
4664 .OMP_DATA_I = &.OMP_DATA_O is the first statement in the block,
4665 instead search for it.
4668 * gimplify.c (gimplify_omp_for): Remove assertion that iteration var
4671 2006-05-16 Andreas Schwab <schwab@suse.de>
4673 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Add missing @end
4676 2006-05-15 Roger Sayle <roger@eyesopen.com>
4679 * config/i386/i386.c (legitimate_constant_p) <CONST_DOUBLE>: TImode
4680 integer constants other than zero are only legitimate on TARGET_64BIT.
4681 <CONST_VECTOR> Only zero vectors are legitimate.
4682 (ix86_cannot_force_const_mem): Integral and vector constants can
4683 always be put in the constant pool.
4685 2006-05-16 DJ Delorie <dj@redhat.com>
4687 * crtstuff.c (__dso_handle): Set section from
4688 TARGET_LBIGCC_SDATA_SECTION if defined.
4689 * doc/tm.texi (TARGET_LIBGCC_SDATA_SECTION): Document.
4690 * config/mips/mips.h (TARGET_LIBGCC_SDATA_SECTION): Define.
4692 2006-05-16 Danny Smith <dannysmith@users.sourceforge.net>
4695 * config.host (i[34567]86-*-mingw*): Append i386/x-mingw32 to
4698 2006-05-16 Ben Elliston <bje@au.ibm.com>
4700 * tree-cfg.c (split_edge_bb_loc): Remove unused variable `src'.
4702 2006-05-15 Per Bothner <per@bothner.com>
4704 * tree.c: (last_annotated_node): Use source_locus typedef.
4705 This permits bootstrapping with --enable-mapped-location.
4707 2006-05-15 Zdenek Dvorak <dvorakz@suse.cz>
4709 PR tree-optimization/26830
4710 * tree-into-ssa.c (struct ssa_name_info): Add age field.
4711 (info_for_ssa_name, current_info_for_ssa_name_age,
4712 blocks_to_update): New variables.
4713 (get_ssa_name_ann): Use info_for_ssa_name instead of SSA_NAME_AUX.
4714 (clear_ssa_name_info, initialize_flags_in_bb,
4715 mark_block_for_update): New functions.
4716 (mark_def_sites, rewrite_stmt): Assert that blocks_to_update is NULL.
4717 (insert_phi_nodes_for, mark_use_interesting, prepare_block_for_update,
4718 prepare_def_site_for): Use mark_block_for_update.
4719 (mark_def_interesting): Assert that the processed block is marked in
4720 blocks_to_update. Do not take blocks argument.
4721 (prepare_use_sites_for, prepare_names_to_update): Do not take blocks
4723 (rewrite_update_init_block, rewrite_update_stmt): Only process
4724 blocks with statements to rewrite.
4725 (delete_update_ssa): Do not clear SSA_NAME_AUX.
4726 (update_ssa): Initialize and free blocks_to_update. Do not
4727 clear flags on statements. Do not use blocks bitmap.
4728 * tree.h (SSA_NAME_AUX): Removed.
4729 (struct tree_ssa_name): Removed aux field.
4730 * print-tree.c (print_node): Do not print SSA_NAME_AUX.
4732 2006-05-15 Richard Guenther <rguenther@suse.de>
4734 PR tree-optimization/27603
4735 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined):
4736 Do computations in original type.
4738 2006-05-15 Mircea Namolaru <namolaru@il.ibm.com>
4740 * see.c: Code style changes such as redundant paranthesis,
4741 redundant intialization of local variables etc.
4742 (see_main): Declared now as static.
4743 * doc/invoke.texi: Update that -fsee is not enabled by
4746 2006-05-15 Jakub Jelinek <jakub@redhat.com>
4748 * omp-low.c (check_omp_nesting_restrictions): New function.
4749 (scan_omp_1): Call it.
4752 * omp-low.c (build_outer_var_ref): If VAR is reference in orphaned
4753 construct, return *VAR.
4755 2006-05-14 Kaz Kojima <kkojima@gcc.gnu.org>
4757 PR rtl-optimization/27406
4758 * bt-load.c (migrate_btr_def): Skip the block having abnormal
4761 2006-05-14 Roger Sayle <roger@eyesopen.com>
4763 PR rtl-optimization/27538
4764 * combine.c (expand_compound_operation): Call gen_lowpart
4765 before calling simplify_shift_const.
4767 2006-05-14 Roger Sayle <roger@eyesopen.com>
4769 PR rtl-optimization/22563
4770 * expmed.c (store_fixed_bit_field): When using AND and IOR to store
4771 a fixed width bitfield, always force the intermediates into psuedos.
4773 2006-05-14 Bernhard Fischer <aldot@gcc.gnu.org>
4776 * mkconfig.sh: Use operator = instead of == for test.
4778 2006-05-13 Nick Clifton <nickc@redhat.com>
4780 * dwarf2out.c (dbx_reg_number): Check return value from
4781 LEAF_REG_REMAP and only use it if it is valid.
4782 (multiple_reg_loc_descriptor): Likewise.
4784 2006-05-13 Richard Guenther <rguenther@suse.de>
4786 * config.host <i[34567]86-*-cygwin*>: Append i386/x-cygwin to
4789 2006-05-13 Steven Bosscher <stevenb.gcc@gmail.com>
4791 * df-core.c (df_bb_regno_last_use_find): Do not look for dataflow
4792 information attached to non-INSNs such as NOTEs.
4793 (df_bb_regno_first_def_find, df_bb_regno_last_def_find): Likewise.
4795 2006-05-12 Andreas Krebbel <krebbel1@de.ibm.com>
4797 * config/s390/s390.c (s390_const_ok_for_constraint_p): Disallow -4G for
4799 * config/s390/s390.md: Adjust comment describing On constraint.
4801 2006-05-11 Jan Hubicka <jh@suse.cz>
4803 * cgraphunit.c (decide_is_function_needed): Don't force always_inline
4804 to be output at -O0.
4806 2006-05-11 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4809 * fold-const.c (size_binop): Move sanity check for arguments to
4810 the beginning of the function.
4813 * fold-const.c (tree_expr_nonnegative_p): Return early on invalid
4816 2006-05-11 Richard Guenther <rguenther@suse.de>
4819 * fold-const.c (fold_unary): Handle intermediate conversion
4820 to a pointer type like intermediate conversion to an integer
4821 type in folding of (T1)(T2)var to var.
4822 Match the code to the comment in the final conversion for
4823 (T1)(T2)var to (T1)var regarding to type precision. Rather
4824 than disallow T1 being of pointer type, assert that both T1
4825 and var are of pointer type or not. Make sure not to fall
4826 over the frontends lazyness wrt array to pointer decay though.
4828 2006-05-10 Richard Earnshaw <rearnsha@arm.com>
4830 * arm.c (arm_struct_value_rtx): Delete.
4831 (TARGET_STRUCT_VALUE_RTX): Use the default definition.
4832 (arm_init_cumulative_args): Always initialize nregs to zero.
4834 2006-05-10 Richard Guenther <rguenther@suse.de>
4836 PR tree-optimization/27532
4837 * tree-object-size.c (plus_expr_object_size): Fix typo.
4839 2006-05-10 Kazu Hirata <kazu@codesourcery.com>
4842 * config/m68k/m68k.md (ashrdi_const32, ashrdi_const32_mem,
4843 ashrdi_const, ashrdi3): Use a scratch register.
4845 2006-05-10 Richard Guenther <rguenther@suse.de>
4847 PR tree-optimization/27302
4848 * fold-const.c (operand_equal_p): For two comparisons,
4849 try comparison of one comparison code swapped if that yields
4852 2006-05-10 Ben Elliston <bje@au.ibm.com>
4854 * tree-pretty-print.c (pretty_print_string): No need to handle
4855 '\0' as a special character.
4857 * tree.h: Include "hashtab.h".
4858 (iterative_hash_expr): Use hashval_t in its prototype.
4859 * Makefile.in (TREE_H): Add $(HASHTAB_H).
4861 2006-05-09 Steve Ellcey <sje@cup.hp.com>
4864 * config.gcc (hppa[12]*-*-hpux10*): Set gas to yes.
4865 (hppa*64*-*-hpux11*): Ditto.
4866 (hppa[12]*-*-hpux11*): Ditto.
4868 2006-05-09 David Edelsohn <edelsohn@gnu.org>
4871 * config/rs6000/aix41.h (TARGET_64BIT): Define.
4873 2006-05-09 Michael Matz <matz@suse.de>
4875 * config.host (<i[34567]86-*-*, x86_64-*-*>): Set
4876 host_extra_gcc_objs and host_xmake_file.
4877 (<*-*-linux*>): Don't overwrite host_xmake_file.
4878 * gcc.c (static_spec_functions): Add EXTRA_SPEC_FUNCTIONS.
4879 * config/i386/i386.h (EXTRA_SPEC_FUNCTIONS): Define.
4880 (host_detect_local_cpu): Declare.
4881 (CC1_CPU_SPEC): Add -march=native and -mtune=native cases.
4882 * config/i386/i386.c (override_options): Handle -mtune=native
4884 * config/i386/x-i386: New file.
4885 * config/i386/driver-i386.c: New file.
4886 * doc/invoke.texi (<i386 and x86-64 Options>): Describe
4889 2006-05-09 Dirk Mueller <dmueller@suse.de>
4890 Richard Guenther <rguenther@suse.de>
4893 * fold-const.c (fold_read_from_constant_string): Relax check
4894 for matching types to matching modes.
4896 2006-05-09 Zdenek Dvorak <dvorakz@suse.cz>
4898 PR rtl-optimization/27335
4899 * loop-unroll.c (peel_loops_completely): Use loops->parray to walk the
4902 2006-05-08 Chao-ying Fu <fu@mips.com>
4903 Richard Sandiford <richard@codesourcery.com>
4905 * config/mips/mips-ps-3d.md (scc_ps, s<code>_ps): New patterns.
4906 (vcondv2sf, sminv2sf3, smaxv2sf3): Likewise.
4907 * config/mips/mips.md (UNSPEC_SCC): New constant.
4908 * config/mips/mips-protos.h (mips_expand_vcondv2sf): Declare.
4909 * config/mips/mips.c (mips_reverse_fp_cond_p): New function.
4910 (mips_emit_compare): Use it.
4911 (mips_expand_vcondv2sf): New function.
4913 2006-05-08 Daniel Berlin <dberlin@dberlin.org>
4915 Fix PR tree-optimization/27093
4916 * tree-ssa-alias.c (recalculate_used_alone): Mark variables for
4917 renaming when they become not-used_alone.
4919 2006-05-08 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
4921 * hpux-unwind.h (pa_fallback_frame_state): Handle return parameter
4922 relocation and relocation stubs.
4924 2006-05-08 Eric Christopher <echristo@apple.com>
4926 * unwind-dw2-fde-darwin.c (examine_objects): Only check data
4929 2006-05-08 Jan Hubicka <jh@suse.cz>
4932 * cgraphunit.c (decide_is_function_needed): When not optimizing even
4933 unused static functions are needed.
4935 2006-05-08 Roger Sayle <roger@eyesopen.com>
4938 * reload.c (find_reloads_toplev): Only return the simplified SUBREG
4939 of a reg_equiv_constant if the result is a legitimate constant.
4941 2006-05-08 Uros Bizjak <uros@kss-loka.si>
4944 * config/i386/i386.c (ix86_rtx_costs) [FLOAT_EXTEND]: For
4945 standard 80387 constants, raise the cost to prevent
4946 compress_float_constant() to generate load from memory.
4948 2006-05-08 Kazu Hirata <kazu@codesourcery.com>
4950 * config/arm/constraints.md (c): Fix a typo.
4952 * see.c, tree-flow-inline.h, tree-phinodes.c: Fix comment
4955 2006-05-07 H.J. Lu <hongjiu.lu@intel.com>
4958 * config/i386/pmmintrin.h (_mm_monitor): Remove macro. Use
4960 (_mm_mwait): Likewise.
4962 * config/i386/sse.md (sse3_mwait): Replace "mwait\t%0, %1" with
4964 (sse3_monitor): Make it 32bit only.
4965 (sse3_monitor64): New. 64bit monitor.
4967 2006-05-07 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
4970 * config/i386/i386.c (classify_argument): Skip fields with invalid
4973 2006-05-07 Richard Guenther <rguenther@suse.de>
4975 PR tree-optimization/27409
4976 * tree-ssa-structalias.c (get_constraint_for_component_ref):
4977 Do not try to find zero-sized subvars.
4979 2006-05-07 Richard Guenther <rguenther@suse.de>
4981 PR tree-optimization/27136
4982 * tree-ssa-loop-niter.c (get_val_for): Correct function
4983 comment, assert requirements.
4984 (loop_niter_by_eval): Stop processing if the iterated
4985 value did not simplify.
4987 2006-05-07 Mircea Namolaru <namolaru@il.ibm.com>
4989 * opts.c (flag_see): remove its setting at -O3.
4991 2006-05-07 Richard Earnshaw <rearnsha@arm.com>
4993 * genpeep.c (main): Make insn-peep.c depend on flags.h.
4994 * arm/constraints.md: New file.
4995 * arm.h (REG_CLASS_FROM_LETTER_P): Delete.
4996 (CONST_OK_FOR_ARM_LETTER, CONST_OK_FOR_THUMB_LETTER)
4997 (CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_ARM_LETTER)
4998 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT_STR_ARM)
4999 (CONSTRAINT_LEN, EXTRA_CONSTRAINT_THUMB, EXTRA_CONSTRAINT_STR)
5000 (EXTRA_MEMORY_CONSTRAINT): Likewise.
5001 * arm.md: Include constraints.md.
5002 (thumb_movsi_insn): Use satisfies_constraint_J.
5003 (movhi, movqi): Use satisfies_constraint_I.
5005 2006-04-29 Anatoly Sokolov <aesok@post.ru>
5007 * config/avr/avr.h (CRT_BINUTILS_SPECS): Fixed crt* file name
5008 for atmeg a645 device.
5010 2006-05-06 Richard Guenther <rguenther@suse.de>
5012 PR tree-optimization/27151
5013 * tree-vect-transform.c (vectorizable_condition): Punt on
5014 values that have a different type than the condition.
5016 2006-05-03 Aldy Hernandez <aldyh@redhat.com>
5019 * c-parser.c (c_parser_cast_expression): Only insert casts into
5020 hash table if pointer.
5021 * function.c (used_types_insert_helper): Rename from
5023 (used_types_insert): Call used_types_insert_helper.
5024 * function.h (used_types_insert): Accept only one argument.
5026 2006-05-05 David Edelsohn <edesohn@gnu.org>
5028 * config/rs6000/rs6000.md: Mark all "X" constraints for clobbered
5029 scratch with output modifier.
5031 2006-05-04 David Edelsohn <edelsohn@gnu.org>
5034 * config/rs6000/rs6000.md (stmsi_power): Mark clobber constraint
5035 with output modifier.
5037 2006-05-04 Richard Sandiford <richard@codesourcery.com>
5040 * config/mips/mips.c (mips_symbolic_address_p): Return true
5041 for SYMBOL_TLSGD, SYMBOL_TLSLDM, SYMBOL_DTPREL, SYMBOL_TPREL,
5042 SYMBOL_GOTTPREL, and SYMBOL_TLS.
5044 2006-05-04 Richard Guenther <rguenther@suse.de>
5046 PR tree-optimization/14287
5047 PR tree-optimization/14844
5048 PR tree-optimization/19792
5049 PR tree-optimization/21608
5050 PR tree-optimization/27090
5051 * tree-ssa-pre.c (try_combine_conversion): New function.
5052 (compute_avail): After constructing the value-handle
5053 expression, use try_combine_conversion to combine NOP_EXPRs
5054 with previous value-handle expressions and use the result if it
5057 2006-05-04 Joseph S. Myers <joseph@codesourcery.com>
5059 * config/mips/linux64.h (DWARF_OFFSET_SIZE): Remove.
5061 2006-05-04 Jan Hubicka <jh@suse.cz>
5064 * cgraphunit.c (verify_cgraph_node): Fix cgraph_hash testing.
5066 2006-05-04 Bernd Schmidt <bernd.schmidt@analog.com>
5068 * config/bfin/predicates.md (const01_rtx): Tell generator programs
5069 that this only matches CONST_INTs. All users changed to VOIDmode
5072 * config/bfin/bfin.c: Include "optabs.h".
5073 (bfin_rtx_costs): Some costs for vector operations, to allow combine
5075 (enum bfin_builtins): Add a number of fractional and vector builtins.
5076 (bfin_init_builtins): Likewise.
5077 (struct builtin_description, bdesc_2arg, bdesc_1arg): New.
5078 (safe_vector_operand, bfin_expand_binop_builtin,
5079 bfin_expand_unop_builtin): New functions.
5080 (bfin_expand_builtin): Handle the new builtins.
5081 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): Define
5084 2006-05-04 Leehod Baruch <leehod@il.ibm.com>
5087 * Makefile.in (OBJS-common): Add see.o.
5088 (see.o): Add dependencies.
5089 * common.opt (fsee): New flag for the see optimization was added.
5090 * opts.c (flag_see): Initialized.
5091 * passes.c (init_optimization_passes, pass_see): New pass.
5092 * rtl.h (see_main): Declaration as extern.
5093 * timevar.def (TV_SEE): New.
5094 * tree-pass.h (pass_see): Declaration as extern.
5095 * invoke.texi (-fsee): Document.
5096 * recog.c (validate_simplify_insn): New function.
5097 * recog.h (validate_simplify_insn): Declaration as extern.
5098 * df-problems.c (df_chain_dump): Check for NULL.
5100 2006-05-04 Kenneth Zadeck <zadeck@naturalbridge.com>
5101 Daniel Berlin <dberlin@dberlin.org>
5103 * cfgrtl.c (insert_insn_bb_end_new): New function.
5104 * basic-block.h (insert_insn_bb_end_new): Declaration as extern.
5106 2006-05-04 Leehod Baruch <leehod.baruch@weizmann.ac.il>
5108 * df.h (struct web_entry): Moved from web.c.
5109 (union_defs): Declaration as extern.
5110 (unionfind_root): Likewise.
5111 (unionfind_union): Likewise.
5112 * web.c (struct web_entry): Moved to df.h.
5113 (unionfind_root): Remove static declaration.
5114 (unionfind_union): Likewise.
5115 (union_defs): Likewise and generalize to use callback function.
5116 (web_main): Update arguments for union_defs function call.
5118 2006-05-04 Richard Guenther <rguenther@suse.de>
5120 PR tree-optimization/26447
5121 * tree-ssa-pre.c (realify_fake_stores): For necessary loads
5122 produce SSA_NAME copies before the store stmt to avoid
5123 breaking exception handling.
5125 2006-05-04 Jakub Jelinek <jakub@redhat.com>
5128 * gimplify.c (omp_is_private): If var is shared in some outer context,
5129 return false instead of true. Stop searching on parallel context
5132 2006-05-03 Alexandre Oliva <aoliva@redhat.com>
5135 * coverage.c: Use get_gcov_unsigned_t() instead of
5136 unsigned_type_node all over.
5138 2006-05-02 Andrew MacLeod <amacleod@redhat.com>
5140 PR tree-optimization/27381
5141 * tree-phinodes.c (remove_phi_arg_num): When moving a phi argument,
5142 maintain the same immediate_use links.
5143 * tree-ssa-operands.c (dump_immediate_uses_for): Show iteration marker
5144 node rather than segfaulting.
5146 2006-05-03 Jakub Jelinek <jakub@redhat.com>
5149 * gimplify.c (gimplify_scan_omp_clauses): Compare OMP_CLAUSE_CODE
5150 rather than TREE_CODE to OMP_CLAUSE_REDUCTION. Set also GOVD_SEEN
5151 bit for OMP_CLAUSE_REDUCTION_PLACEHOLDER.
5153 2006-05-02 Daniel Berlin <dberlin@dberlin.org>
5155 Fix PR tree-optimization/26626
5156 * tree-ssa-structalias.c (compute_points_to_sets): For now, solve
5158 * tree-ssa-operands.c (access_can_touch_variable): Allow
5159 typecasting through union pointers.
5161 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5164 * omp-low.c (maybe_lookup_decl_in_outer_ctx): New function.
5165 (build_outer_var_ref): Use maybe_lookup_decl_in_outer_ctx
5166 to find if var will be a global variable even in the nested context.
5167 (omp_copy_decl): Only check for global variable at the end, it might
5168 be overridden in outer contexts.
5169 (scan_sharing_clauses): For global variables don't create a field.
5170 (lower_rec_input_clauses): Do nothing for global shared variables.
5171 Emit a barrier at the end of ILIST if there were any decls in both
5172 firstprivate and lastprivate clauses.
5173 (lower_send_clauses): Do nothing for global variables except for
5176 2006-05-02 Zdenek Dvorak <dvorakz@suse.cz>
5178 * tree.c (unsigned_type_for, signed_type_for): Make sure a type
5179 of the correct signedness is returned.
5181 2006-05-02 Jeff Law <law@redhat.com>
5183 PR tree-optimization/27364
5184 * tree-vrp.c (vrp_int_const_binop): Fix detection of overflow from
5185 multiply expressions.
5187 2006-05-02 Tom Tromey <tromey@redhat.com>
5189 * tree-flow-inline.h (op_iter_init_phiuse): Fixed typo.
5191 2006-05-02 Kazu Hirata <kazu@codesourcery.com>
5194 * arm.c (arm_output_mi_thunk): Use pc-relative addressing when
5195 -mthumb -fPIC are used.
5197 2006-05-02 Stanislaw Skowronek <skylark@linux-mips.org>
5198 Joshua Kinard <kumba@gentoo.org>
5201 * config/mips/mips.h (TRAMPOLINE_TEMPLATE): Avoid 32-bit moves
5202 with 64-bit pointers.
5204 2006-05-02 Paul Brook <paul@codesourcery.com>
5206 * config/arm/arm.c (add_minipool_forward_ref): Check if insn
5208 (create_fix_barrier): Check that a suitable barrier location is
5210 (arm_reorg): Include ftmp->address in allowable range of addresses.
5212 2006-05-02 David Billinghurst <David.Billinghurst@riotinto.com>
5215 * ada/env.c (__gnat_clearenv): Use unsetenv() to clear environment
5218 2006-05-02 Jakub Jelinek <jakub@redhat.com>
5221 * gimplify.c (gimplify_scan_omp_clauses): Handle INDIRECT_REF
5222 around RESULT_DECL for result passed by reference.
5223 (gimplify_expr): Call omp_notice_variable when RESULT_DECL is seen.
5224 * omp-low.c (use_pointer_for_field): Don't look at
5225 DECL_HAS_VALUE_EXPR_P for RESULT_DECLs.
5226 (scan_omp_1): Call remap_decl on RESULT_DECLs.
5227 (lower_rec_input_clauses): Don't allocate VLA memory for the second
5228 time or var for passing by reference for
5229 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE clauses. Allow creation of
5230 TREE_ADDRESSABLE variables when passing by reference.
5232 * omp-low.c (dump_omp_region): Fix output formatting.
5235 * omp-low.c (remove_exit_barrier): Handle NULL exit_bb.
5236 (expand_omp_parallel): Likewise.
5237 * tree-cfg.c (move_sese_region_to_fn): Likewise.
5240 * omp-low.c (lower_omp_sections): Call maybe_catch_exception
5241 on statement list containing also constructors and destructors.
5242 (lower_omp_single, lower_omp_for, lower_omp_parallel): Likewise.
5245 * except.c (duplicate_eh_regions): Fix clearing of
5246 cfun->eh->region_array entries.
5248 2006-05-01 DJ Delorie <dj@redhat.com>
5250 * configure.ac (gcc_cv_nm): Don't use an in-tree nm if
5252 (gcc_cv_objdump): Likewise.
5253 * configure: Regenerated.
5255 2006-05-01 Kazu Hirata <kazu@codesourcery.com>
5258 * config/arm/vfp.md (*arm_movdi_vfp): Correct the output
5259 templates for case 3 and 4.
5261 2006-05-01 DJ Delorie <dj@redhat.com>
5263 * vec.c: Include bconfig.h when appropriate.
5264 * Makefile.in (build/vec.o): Adjust dependencies.
5265 * mkconfig.sh: Make sure config.h isn't used for build machine
5268 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5270 * tree-into-ssa.c (phis_to_rewrite, blocks_with_phis_to_rewrite): New
5272 (mark_phi_for_rewrite): New function.
5273 (insert_phi_nodes_for, mark_use_interesting): Call
5274 mark_phi_for_rewrite.
5275 (rewrite_update_phi_arguments): Traverse only phis in phis_to_rewrite.
5276 (update_ssa): Initialize and free phis_to_rewrite.
5278 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5280 PR rtl-optimization/27291
5281 * loop-doloop.c (add_test, doloop_modify): Handle the case condition is
5282 folded to a constant.
5284 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5286 PR tree-optimization/27283
5287 * tree-ssa-loop-ivopts.c (struct nfe_cache_elt): Store just trees,
5288 not whole # of iteration descriptions.
5289 (niter_for_exit): Return just # of iterations. Fail if # of iterations
5290 uses abnormal ssa name.
5291 (niter_for_single_dom_exit): Ditto.
5292 (find_induction_variables, may_eliminate_iv): Expect niter_for_exit to
5293 return just the number of iterations.
5295 2006-05-01 Zdenek Dvorak <dvorakz@suse.cz>
5297 PR tree-optimization/27144
5298 * tree-ssa-loop-niter.c (derive_constant_upper_bound): New function.
5299 (record_estimate): Only record constant upper bound.
5300 (infer_loop_bounds_from_undefined): Call
5301 compute_estimated_nb_iterations just once.
5302 (proved_non_wrapping_p): Renamed to ...
5303 (n_of_executions_at_most): ... this. Expect bound to be a constant.
5304 (convert_step_widening, scev_probably_wraps_p): Call
5305 n_of_executions_at_most instead of proved_non_wrapping_p.
5306 (substitute_in_loop_info): Do not replace values in bounds.
5307 * cfgloop.h (struct nb_iter_bound): Remove "additional" field. Update
5310 2006-05-01 Richard Henderson <rth@redhat.com>
5313 * c-parser.c (c_parser_skip_to_end_of_block_or_statement): Move after
5314 c_parser_skip_to_pragma_eol. Convert to switch statement. Handle
5317 2006-05-01 Roger Sayle <roger@eyesopen.com>
5319 * c-typeck.c (parser_build_binary_op): Don't call the function
5320 unsigned_conversion_warning to spot operand/result type overflow.
5321 (build_binary_op): Instead, call convert_and_check instead of
5322 convert to report the problem when the operands are promoted.
5323 * c-common.c (unsigned_conversion_warning): Make static.
5324 * c-common.h (unsigned_conversion_warning): Delete prototype.
5326 2006-05-01 Richard Guenther <rguenther@suse.de>
5328 PR tree-optimization/26726
5329 * tree-ssa-loop-ivopts.c (idx_find_step): Mark source of the
5331 (find_interesting_uses_address): ... we work around here
5332 by folding INDIRECT_REFs in the substituted base.
5334 2006-05-01 Diego Novillo <dnovillo@redhat.com>
5336 * omp-low.c (dump_omp_region): Add newlines.
5338 2006-04-30 Roger Sayle <roger@eyesopen.com>
5340 * common.opt (Woverflow): New command line option.
5341 * c-common.c (constant_expression_warning): Check warn_overflow.
5342 (overflow_waring): Pass OPT_Woverflow to warning.
5343 (unsigned_conversion_warning): Likewise.
5344 (convert_and_check): Likewise.
5345 * doc/invoke.texi: Document new command line option.
5347 2006-04-30 David Edelsohn <edelsohn@gnu.org>
5349 * config/rs6000/rs6000.c (rs6000_override_options): Enable
5350 TARGET_NO_FP_IN_TOC for section anchors.
5351 (optimization_options): Enable section anchors for all
5352 non-"Objective" languages.
5354 2006-04-28 Eric Christopher <echristo@apple.com>
5356 * config/darwin-c.c (darwin_ms_struct): Move this
5357 (darwin_set_default_type_attributes): and this...
5358 * config/darwin.c: ... here.
5359 * config/darwin.h (darwin_ms_struct): Declare.
5361 2006-04-28 Andrew MacLeod <amacleod@redhat.com>
5363 * tree-ssa-dom.c (propagate_rhs_into_lhs): Fix assert clause.
5365 2006-04-28 Roger Sayle <roger@eyesopen.com>
5368 * c-typeck.c (struct spelling): Make I an unsigned HOST_WIDE_INT.
5369 (push_array_bounds): Delete prototype. Change BOUNDS argument to
5370 an unsigned HOST_WIDE_INT.
5371 (print_spelling): Use HOST_WIDE_INT_PRINT_UNSIGNED to output the
5373 (really_start_incremental_init): No need to call convert because
5374 bitsize_zero_node is already of type bitsizetype.
5375 (push_init_level): Extract the value of constructor_index as an
5376 unsigned HOST_WIDE_INT quantity, using tree_low_cst.
5377 (process_init_element): Likewise.
5379 2006-04-28 Joseph S. Myers <joseph@codesourcery.com>
5381 * gcc.c (process_command): Add program name to GCC_EXEC_PREFIX
5382 value before passing to make_relative_prefix.
5384 2006-04-28 Alan Modra <amodra@bigpond.net.au>
5387 * builtins.c (expand_builtin_memset): Expand val in original mode.
5389 2006-04-27 Eric Christopher <echristo@apple.com>
5391 * target-def.h (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Bracket
5392 with #ifndef/#endif.
5393 * config/darwin-c.c (darwin_ms_struct): New.
5394 (darwin_pragma_ms_struct): Ditto.
5395 (darwin_set_default_type_attributes): Ditto.
5396 * config/darwin-protos.h (darwin_pragma_ms_struct): Declare.
5397 * config/darwin.h (DARWIN_REGISTER_TARGET_PRAGMAS):
5398 Register ms_struct pragma.
5399 * config/i386/darwin.h (REGISTER_TARGET_PRAGMAS): Declare.
5400 (TARGET_SET_DEFAULT_TYPE_ATTRIBUTES): Ditto.
5401 * config/rs6000/rs6000.c (rs6000_set_default_type_attributes): Call
5402 darwin_set_default_type_attributes if TARGET_MACHO.
5404 2006-04-27 Andrew MacLeod <amacleod@redhat.com>
5406 PR tree-optimization/26854
5407 * tree-vrp.c (remove_range_assertions): Use new Immuse iterator.
5408 * doc/tree-ssa.texi: Update immuse iterator documentation.
5409 * tree-ssa-math-opts.c (execute_cse_reciprocals_1): Use new iterator.
5410 * tree-ssa-dom.c (propagate_rhs_into_lhs): Use new iterator.
5411 * tree-flow-inline.h (end_safe_imm_use_traverse, end_safe_imm_use_p,
5412 first_safe_imm_use, next_safe_imm_use): Remove.
5413 (end_imm_use_stmt_p): New. Check for end of immuse stmt traversal.
5414 (end_imm_use_stmt_traverse): New. Terminate immuse stmt traversal.
5415 (move_use_after_head): New. Helper function to sort immuses in a stmt.
5416 (link_use_stmts_after): New. Link all immuses in a stmt consescutively.
5417 (first_imm_use_stmt): New. Get first stmt in an immuse list.
5418 (next_imm_use_stmt): New. Get next stmt in an immuse list.
5419 (first_imm_use_on_stmt): New. Get first immuse on a stmt.
5420 (end_imm_use_on_stmt_p): New. Check for end of immuses on a stmt.
5421 (next_imm_use_on_stmt): New. Move to next immuse on a stmt.
5422 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Use new iterator.
5423 * lambda-code.c (lambda_loopnest_to_gcc_loopnest): Use new iterator.
5424 (perfect_nestify): Use new iterator.
5425 * tree-vect-transform.c (vect_create_epilog_for_reduction): Use new
5427 * tree-flow.h (struct immediate_use_iterator_d): Add comments.
5428 (next_imm_name): New field in struct immediate_use_iterator_d.
5429 (FOR_EACH_IMM_USE_SAFE, BREAK_FROM_SAFE_IMM_USE): Remove.
5430 (FOR_EACH_IMM_USE_STMT, BREAK_FROM_IMM_USE_STMT,
5431 FOR_EACH_IMM_USE_ON_STMT): New immediate use iterator macros.
5432 * tree-cfg.c (replace_uses_by): Use new iterator.
5433 * tree-ssa-threadedge.c (lhs_of_dominating_assert): Use new iterator.
5434 * tree-ssa-operands.c (correct_use_link): Remove.
5435 (finalize_ssa_use_ops): No longer call correct_use_link.
5437 2006-04-27 Stuart Hastings <stuart@apple.com>
5439 * config/rs6000/t-darwin (DARWIN_EXTRA_CRT_BUILD_CFLAGS): New.
5440 * config/t-darwin (crt3.o): Use it.
5441 * config/rs6000/rs6000.c (rs6000_initialize_trampoline): Remove
5442 'pmode', use Pmode instead of SImode for SYMBOL_REF.
5443 * config/rs6000/rs6000.md (call_indirect_nonlocal_sysv,
5444 call_nonlocal_sysv, call_value_indirect_nonlocal_sysv,
5445 call_value_nonlocal_sysv): Suffix with the "P" macro for 32/64
5448 2006-04-27 Roger Sayle <roger@eyesopen.com>
5450 * expmed.c (store_fixed_bit_field): If we're not optimizing for
5451 size, force the intermediate into a new pseudo rather instead of
5452 performing both a bitwise AND and a bitwise IOR in memory.
5454 2006-04-27 Richard Guenther <rguenther@suse.de>
5456 PR rtl-optimization/26685
5457 * params.def (PARAM_MAX_CSE_INSNS): Correct typo that named
5458 this one "max-flow-memory-locations".
5460 2006-04-27 Richard Guenther <rguenther@suse.de>
5462 PR tree-optimization/25148
5463 * tree-vrp.c (compare_values): Remove code dealing with
5464 comparisons against type min/max value. Honour overflow
5465 and negative constants in code dealing with comparisons
5466 of plus and minus expressions.
5467 (value_inside_range): Use fold_binary with LE_EXPR and
5468 GE_EXPR rather than compare_values.
5470 2006-04-27 Dirk Mueller <dmueller@suse.de>
5472 * config/i386/xmmintrin.h (_mm_shuffle_pi16): Declare
5475 2006-04-26 Kenneth Zadeck <zadeck@naturalbridge.com>
5477 * basic-block.h (safe_insert_insn_on_edge): Removed.
5478 * cfgrtl.c (mark_killed_regs, safe_insert_insn_on_edge): Removed.
5480 2006-04-26 David Edelsohn <edelsohn@gnu.org>
5481 Paolo Bonzini <bonzini@gnu.org>
5484 * combine.c (simplify_and_const_int_1): Use gen_int_mode.
5485 (simplify_and_const_int): Same.
5487 2006-04-26 Aldy Hernandez <aldyh@redhat.com>
5489 * tree-ssa-dse.c (dse_optimize_stmt): Remove unused variable USE.
5491 2006-04-26 Jakub Jelinek <jakub@redhat.com>
5494 * cgraph.c (cgraph_varpool_finalize_decl): Don't call
5495 cgraph_varpool_assemble_pending_decls if -fopenmp, unless
5496 cgraph_global_info_ready.
5499 * tree-cfg.c (find_outermost_region_in_block): Handle RESX_EXPR.
5502 * c-parser.c (c_parser_omp_for_loop): Don't call c_finish_omp_for if
5503 either decl or init is error_mark_node.
5506 * tree-flow.h (struct omp_region): Add sched_kind.
5507 * omp-low.c (expand_parallel_call): Use region->inner->sched_kind
5508 instead of extracting omp for data.
5509 (expand_omp_for): Save extracted sched_kind.
5511 2006-04-25 Roger Sayle <roger@eyesopen.com>
5513 * expmed.c (store_bit_field): Also check whether the bitsize is
5514 valid for the machine's "insv" instruction before moving the
5515 target into a pseudo for use with the insv.
5516 * config/i386/predicates.md (const8_operand): New predicate.
5517 * config/i386/i386.md (extv, extzv, insv): Use the new
5518 const8_operand predicate where appropriate.
5520 2006-04-25 DJ Delorie <dj@redhat.com>
5522 * doc/install.texi (Specific): Clarify that this is not a list of
5523 supported hosts or targets.
5525 2006-04-25 Richard Sandiford <richard@codesourcery.com>
5527 PR rtl-optimization/26725
5528 * cfgrtl.c (rtl_redirect_edge_and_branch_force): Set the source
5529 block's BB_DIRTY flag.
5531 2006-04-25 Geoffrey Keating <geoffk@apple.com>
5533 * dwarf2out.c (size_of_locs): Don't fill dw_loc_addr if there
5536 * dwarf2asm.c (dw2_asm_output_data): Don't generate RTL just
5537 to print an integer.
5539 2006-04-25 David Edelsohn <edelsohn@gnu.org>
5541 * varasm.c (align_variable): New function.
5542 (get_block_for_decl): Apply align_variable to DECL before
5543 calculating section information.
5544 (assemble_variable): Split out alignment computation.
5546 2006-04-25 Andreas Krebbel <krebbel1@de.ibm.com>
5548 * expmed.c (store_bit_field): Handle paradoxical subregs on big endian
5551 2006-04-25 Bernd Schmidt <bernd.schmidt@analog.com>
5553 * genmodes.c (make_vector_mode): Allow making VECTOR_MODE_INT of a
5554 MODE_PARTIAL_INT mode.
5555 * config/bfin/bfin-modes.def: Add V2PDI and V2SI.
5556 * config/bfin/bfin.c (print_operand): Add macflag and mac/msu modifiers
5558 (hard_regno_mode_ok): V2PDImode is ok for accumulators.
5559 * config/bfin/bfin.h (CLASS_MAX_NREGS, HARD_REGNO_NREGS): Handle
5561 * config/bfin/predicates.md (const01_operand, vec_shift_operand):
5563 * config/bfin/bfin.md (UNSPEC_MUL_WITH_FLAG, UNSPEC_MAC_WITH_FLAG):
5565 (MACFLAG_NONE, MACFLAG_T, MACFLAG_FU, MACFLAG_TFU, MACFLAG_IS,
5566 MACFLAG_IU, MACFLAG_W32, MACFLAG_M, MACFLAG_S2RND, MACFLAG_ISS2,
5567 MACFLAG_IH): Likewise.
5568 (movstricthi_1): Renamed from "*movstricthi".
5569 (load_accumulator, load_accumulator_pair, movsi_insv, insv,
5570 ssaddsi3, sssubsi3, ssnegsi2, signbitssi2, smaxhi3, sminhi3,
5571 abshi2, neghi2, ssneghi2, signbitshi2, movhi_low2high,
5572 movhi_high2high, movhi_low2low, movhi_high2low, movhiv2hi_low,
5573 movhiv2hi_high, composev2hi, movv2hi_hi, movv2hi_hi_low,
5574 movv2hi_hi_high, ssaddhi3, sssubhi3, ssaddv2hi3, sssubv2hi3,
5575 addsubv2hi3, subaddv2hi3, ssaddsubv2hi3, sssubaddv2hi3,
5576 sublohiv2hi3, subhilov2hi3, sssublohiv2hi3, sssubhilov2hi3,
5577 addlohiv2hi3, addhilov2hi3, ssaddlohiv2hi3, ssaddhilov2hi3,
5578 mulhisi_ll, mulhisi_lh, mulhisi_hl, mulhisi_hh, ssnegv2hi2,
5579 ssashiftv2hi3, ssashifthi3, lshiftv2hi3, lshifthi3, packv2hi,
5580 flag_mulhi, flag_mulhisi_parts, flag_machi, flag_machi_acconly,
5581 flag_macinithi, flag_macinit1hi, flag_mulv2hi, flag_mulv2hi_parts,
5582 flag_macv2hi_parts, flag_macv2hi_parts_acconly,
5583 flag_macinitv2hi_parts, flag_macinit1v2hi_parts): New patterns.
5585 * doc/rtl.texi (ss_ashift): Improve wording.
5587 2006-04-24 Geoffrey Keating <geoffk@apple.com>
5589 * dwarf2out.c (verify_marks_clear): New.
5590 (prune_unused_types): Call verify_marks_clear initially, not
5593 2006-04-24 Bernd Schmidt <bernd.schmidt@analog.com>
5595 * rtl.def (SS_ASHIFT, SS_NEG): New codes.
5596 * doc/rtl.texi: Document them.
5597 * simplify-rtx.c (simplify_unary_operation,
5598 simplify_binary_operation_1): Don't abort when we see them.
5600 2006-04-24 Mark Mitchell <mark@codesourcery.com>
5603 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5604 * configure.ac: Completely disregard languages that are not
5606 * configure: Regenerated.
5608 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5609 Richard Guenther <rguenther@suse.de>
5611 PR tree-optimization/27236
5612 * tree-inline.c (copy_body_r): Make sure to copy
5613 TREE_THIS_VOLATILE flag.
5615 2006-04-24 Richard Guenther <rguenther@suse.de>
5618 * tree-complex.c (update_parameter_components): Don't handle
5619 unused parameters which have no default def.
5621 2006-04-24 Andrew Pinski <pinskia@gcc.gnu.org>
5622 Richard Guenther <rguenther@suse.de>
5624 PR tree-optimization/27218
5625 * tree-inline.c (expand_call_inline): Strip useless type
5626 conversions for the return slot address.
5628 2006-04-24 Richard Guenther <rguenther@suse.de>
5630 * cfgloop.h (struct loops): Remove unused field array. Reorder
5632 (LOOP_PREFETCH): Remove.
5634 2006-04-24 Richard Guenther <rguenther@suse.de>
5636 PR tree-optimization/22525
5637 * value-prof.c (tree_mod_pow2): Remove unnecessary temporary
5638 variable, adjust types of generated expressions.
5640 2006-04-23 H.J. Lu <hongjiu.lu@intel.com>
5642 * Makefile.in (c-convert.o): Add dependency on $(TARGET_H)
5643 (tree-vect-patterns.o): Likewise.
5645 (cselib.o): Likewise.
5646 (loop-doloop.o): Likewise.
5647 (regclass.o): Likewise.
5648 (reload1.o): Likewise.
5649 (explow.o): Replace target.h with $(TARGET_H).
5650 (ipa-prop.o): Likewise.
5651 (ipa-cp.o): Likewise.
5652 (ipa-inline.o): Likewise.
5653 (reorg.o): Likewise.
5654 (reg-stack.o): Likewise.
5656 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5658 * tree-tailcall.c (pass_tail_recursion): Use gate_tail_calls too.
5660 2006-04-23 Mark Mitchell <mark@codesourcery.com>
5662 * print-tree.c (print_node): Print DECL_BIT_FIELD_TYPE.
5664 * configure.ac: Completely disregard languages that are not
5666 * configure: Regenerated.
5669 * c-common.h (c_build_bitfield_integer_type): Declare.
5670 * c-decl.c (c_build_bitfield_integer_type): Move to ...
5671 * c-common.c (c_build_bitfield_integer_type): ... here.
5673 2006-04-23 Roger Sayle <roger@eyesopen.com>
5676 * config/fr30/fr30.md (define_split): Avoid calling gen_lowpart on
5677 a SImode SUBREG of a floating point register after no_new_pseudos.
5679 2006-04-23 Roger Sayle <roger@eyesopen.com>
5681 * config/fr30/fr30.md (addsi_small_int): Use REGNO_PTR_FRAME_P to
5682 identify potentially eliminable registers to additionally catch
5683 VIRTUAL_INCOMING_ARGS_REGNUM.
5684 (addsi3): Update the conditions on when to use addsi_small_int.
5686 2006-04-23 Roger Sayle <roger@eyesopen.com>
5689 * config/fr30/fr30.h (GO_IF_LEGITIMATE_ADDRESS): Check REGNO for
5690 STACK_POINTER_RTX and FRAME_POINTER_RTX instead of comparing the
5691 rtx to stack_pointer_rtx or frame_pointer_rtx directly.
5693 2006-04-23 Eric Botcazou <ebotcazou@adacore.com>
5695 * fold-const.c (range_predecessor): Use operand_equal_p
5696 as the predicate for equality.
5697 (range_successor): Likewise.
5699 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5702 * config/soft-fp/op-common.h: Fix a typo.
5704 2006-04-22 Frank Ch. Eigler <fche@redhat.com>
5707 * common.opt (flag_mudflap_threads): Overload flag_mudflap.
5708 * tree-mudflap.c (flag_mudflap_threads): Derive from flag_mudflap.
5710 2006-04-22 Kazu Hirata <kazu@codesourcery.com>
5712 * config/soft-fp/op-common.h, double-int.h, tree-ssa-dom.c:
5714 * doc/tm.texi: Fix a typo.
5716 2006-04-21 Geoffrey Keating <geoffk@apple.com>
5718 * dwarf2out.c (struct die_struct): Document that die_sib makes
5719 a circular linked list.
5720 (FOR_EACH_CHILD): New.
5721 (reverse_die_lists): Delete.
5722 (reverse_all_dies): Delete.
5723 (add_dwarf_attr): Correct documentation.
5724 (remove_child_with_prev): New.
5725 (remove_child_TAG): Update for change to die_struct, use
5726 remove_child_with_prev.
5727 (add_child_die): Update for change to die_struct.
5728 (splice_child_die): Use remove_child_with_prev and add_child_die.
5729 (print_die): Use FOR_EACH_CHILD.
5730 (die_checksum): Likewise.
5731 (assign_symbol_names): Likewise.
5732 (output_location_lists): Likewise.
5733 (build_abbrev_table): Likewise.
5734 (calc_die_sizes): Likewise.
5735 (mark_dies): Likewise.
5736 (unmark_dies): Likewise.
5737 (unmark_all_dies): Likewise.
5738 (output_die): Likewise.
5739 (prune_unused_types_mark): Likewise.
5740 (prune_unused_types_walk): Likewise.
5741 (same_die_p): Update for change to die_struct.
5742 (break_out_includes): Likewise.
5743 (prune_unused_types_prune): Likewise.
5744 (add_sibling_attributes): Use FOR_EACH_CHILD, simplify logic.
5745 (prune_unmark_dies): Use FOR_EACH_CHILD, don't clear die_mark if
5747 (dwarf2out_finish): Don't call reverse_all_dies.
5749 2006-04-21 Eric Christopher <echristo@apple.com>
5751 * df-core.c, tree-outof-ssa.c, config/i386/i386.c: Fix typos
5752 in comments and function names.
5754 2006-04-21 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5757 * c-typeck.c (digest_init): Robustify.
5759 * c-typeck.c (pop_init_level): Simplify.
5761 2006-04-21 Steve Ellcey <sje@cup.hp.com>
5763 * config/pa/t-pa64: Add dependencies on $(GCC_PASSES).
5765 2006-04-21 Paul Brook <paul@codesourcery.com>
5767 * config/arm/arm.c (arm_override_options): Error on iWMMXt and
5768 hardware floating point.
5770 2006-04-21 David Edelsohn <edelsohn@gnu.org>
5772 * config/rs6000/rs6000.h (REG_CLASS_CONTENTS): Add sfp to
5775 2006-04-21 Nick Clifton <nickc@redhat.com>
5777 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Include
5780 2006-04-21 Alan Modra <amodra@bigpond.net.au>
5783 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Use
5784 C++ lang type in traceback table for Objective-C++.
5786 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Update comment.
5788 2006-04-20 H.J. Lu <hongjiu.lu@intel.com>
5790 * config/i386/i386.c (asm_preferred_eh_data_format): Reformat.
5792 2006-04-20 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
5795 * tree-mudflap.c (mudflap_finish_file): Skip function when there
5796 were errors. Remove check for erroneous objects.
5798 2006-04-20 Jeff Law <law@redhat.com>
5800 PR tree-optimization/26854
5801 * tree-ssa-dse.c (dse_optimize_stmt): Avoid num_imm_uses when
5802 checking for zero or one use.
5803 * tree-ssa-dom.c (propagate_rhs_into_lhs): Similarly.
5804 * tree-cfgcleanup.c (merge_phi_nodes): Similarly.
5805 * tree-ssa-reassoc.c (negate_value): Similarly.
5806 (reassociate_bb): Similarly.
5808 2006-04-20 Jakub Jelinek <jakub@redhat.com>
5810 * c-pretty-print.c (pp_c_direct_abstract_declarator): Print
5811 TYPE_MAX_VALUE (TYPE_DOMAIN (t)) + 1 for ARRAY_TYPE rather
5812 than plain TYPE_MAX_VALUE (TYPE_DOMAIN (t)).
5814 2006-04-20 Alan Modra <amodra@bigpond.net.au>
5816 * config/rs6000/rs6000.c (rs6000_gimplify_va_arg): Consume all
5817 fp regs if the last fp arg doesn't fit in regs.
5819 2006-04-20 Kaz Kojima <kkojima@gcc.gnu.org>
5822 * config/sh/sh.md (movsicc_true+3): Tweak condition for the case
5823 that the last insn has the REG_INC note.
5825 2006-04-19 Carlos O'Donell <carlos@codesourcery.com>
5826 Nathan Sidwell <nathan@codesourcery.com>
5829 * stor-layout.c (update_alignment_for_field): Do not align
5831 (place_union_field): Place union field at the start of the union.
5832 (place_field): Move ERROR_MARK check later, and use the current
5833 allocation position to maintain monotonicity.
5835 2006-04-19 Zdenek Dvorak <dvorakz@suse.cz>
5837 * dominance.c: Include timevar.h.
5838 (calculate_dominance_info): Use TV_DOMINANCE.
5839 * timevar.def (TV_DOMINANCE): New timevar.
5840 * Makefile.in (dominance.o): Add TIMEVAR_H dependency.
5842 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5844 PR rtl-optimization/14261
5845 * ifcvt.c (noce_emit_move_insn): Call store_bit_field if the resulting
5846 move would be an INSV insn.
5847 (noce_process_if_block): Don't optimize if the destination is a
5848 ZERO_EXTRACT which can't be handled by noce_emit_move_insn.
5850 2006-04-19 Andreas Krebbel <krebbel1@de.ibm.com>
5852 * config/s390/s390.md: Add comments with the instructions emitted
5853 by an insn pattern if macros are used.
5855 2006-04-19 Alan Modra <amodra@bigpond.net.au>
5857 PR rtl-optimization/26026
5858 * fold-const.c (fold_binary): Optimize div and mod where the divisor
5859 is a known power of two shifted left a variable amount.
5861 2006-04-18 Geoffrey Keating <geoffk@apple.com>
5863 * dwarf2out.c (prune_unused_types_update_strings): Don't add strings
5864 to hash table twice when the debug_str section has SECTION_MERGE.
5866 2006-04-18 Joseph S. Myers <joseph@codesourcery.com>
5868 * config/soft-fp: New directory. From glibc.
5869 * config/soft-fp/t-softfp: New.
5870 * config/soft-fp/README: New.
5871 * mklibgcc.in: Handle LIB2FUNCS_EXCLUDE.
5872 * Makefile.in (LIB2FUNCS_EXCLUDE, SFP_MACHINE): New.
5873 (libgcc.mk): Pass LIB2FUNCS_EXCLUDE.
5874 (LIBGCC_DEPS): Add $(SFP_MACHINE).
5875 * config.gcc: Use rs6000/t-fprules-fpbit or
5876 rs6000/t-fprules-softfp and soft-fp/t-softfp together with
5878 * config/rs6000/sfp-machine.h: New. Based on glibc.
5879 * config/rs6000/t-fprules-fpbit, config/rs6000/t-fprules-softfp:
5881 * config/rs6000/t-fprules: Remove fp-bit rules.
5882 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Use +=.
5883 * config/rs6000/t-linux64: Likewise. Remove duplicates from
5884 LIB2FUNCS_EXTRA. Remove fp-bit rules.
5885 (softfp_wrap_start, softfp_wrap_end): New.
5887 2006-04-18 DJ Delorie <dj@redhat.com>
5889 * config/m32c/m32c.h (PTRDIFF_TYPE): Define.
5891 2006-04-18 Devang Patel <dpatel@apple.com>
5893 * doc/invoke.texi (-Wuninitialized): Clarify -O connection.
5895 2006-04-18 Nick Clifton <nickc@redhat.com>
5897 * config/sh/t-symbian: Add rule to build sh-c.o
5898 * config/sh/symbian.c (sh_symbian_mark_dllexport): Replace use
5899 of DECL_NON_ADDR_CONST_P with DECL_DLLIMPORT_P.
5900 (sh_symbian_encode_section_info): Likewise.
5902 2006-04-18 Andreas Krebbel <krebbel1@de.ibm.com>
5904 * builtins.c (expand_builtin_strcmp): Cover label definition of
5905 do_libcall with HAVE_cmpstrnsi.
5907 2006-04-18 Kazu Hirata <kazu@codesourcery.com>
5909 * function.c (temp_slots_at_level, max_slot_level): Use VEC
5911 * function.h (temp_slot_p): New.
5912 (function): Change the type of x_used_temp_slots to
5913 VEC(temp_slot_p,gc) *.
5915 2006-04-18 Nick Clifton <nickc@redhat.com>
5917 * config/mmix/mmix.h (OPTIMIZATION_OPTIONS): Remove reference to
5918 flag_strength_reduce.
5920 * doc/tm.texi (TARGET_SECTION_TYPE_FLAGS): Fix typo.
5922 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5926 Partial revert of revision 112637
5927 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
5928 Dale Johannesen <dalej@apple.com>
5931 * regclass.c (struct reg_pref): Update documentation.
5932 (regclass): Set prefclass to NO_REGS if memory is the best option.
5933 (record_reg_classes): Cope with a prefclass set to NO_REGS.
5935 2006-04-18 Paolo Bonzini <bonzini@gnu.org>
5937 PR tree-optimization/26821
5938 * tree-ssa-math-opts.c (get_constant_one): New.
5939 (insert_reciprocals): Use it.
5941 2006-04-17 Geoffrey Keating <geoffk@apple.com>
5943 * dwarf2out.c (free_AT): Delete.
5944 (remove_AT): Update string ref counts.
5945 (remove_child_TAG): Don't call free_die.
5947 (break_out_includes): Don't call free_die on DW_TAG_GNU_BINCL
5948 or DW_TAG_GNU_EINCL.
5949 (prune_unused_types_walk_attribs): Reset string refcounts.
5950 (prune_unused_types_update_strings): New.
5951 (prune_unused_types_prune): Don't make unnecessary stores. Don't
5952 call free_die. Do call prune_unused_types_update_strings.
5953 (prune_unused_types): Empty debug_str_hash.
5955 2006-04-17 Roger Sayle <roger@eyesopen.com>
5957 * expr.c (expand_assignment): Optimize away no-op moves where the
5958 source and destination are equal and have no side-effects.
5960 2006-04-17 Richard Guenther <rguenther@suse.de>
5963 * reload.c (push_reload): Guard calls to get_secondary_mem
5966 2006-04-16 Kazu Hirata <kazu@codesourcery.com>
5968 * alias.c (reg_base_value, old_reg_base_value): Change the
5969 type to VEC(rtx,gc) *.
5970 (REG_BASE_VALUE, find_base_value, record_set,
5971 init_alias_analysis): Use VEC instead of VARRAY.
5973 * alias.c (alias_sets): Change the type to
5974 VEC(alias_set_entry,gc) *.
5975 (get_alias_set_entry, new_alias_set, record_alias_subset): Use
5976 VEC instead of VARRAY.
5977 (last_alias_set): Remove.
5979 * cgraph.h (cgraph_edge_p): New.
5980 Update the prototype of cgraph_function_versioning.
5981 * cgraphunit.c (cgraph_copy_node_for_versioning,
5982 cgraph_function_versioning): Use VEC instead of VARRAY.
5983 * ipa-cp.c (ipcp_insert_stage): Likewise.
5985 2006-04-16 Roger Sayle <roger@eyesopen.com>
5988 * fold-const.c (fold_ternary): When converting "A ? B : C" into either
5989 "A op B" or "A op C", we may need to convert A to the type of B and C.
5991 2006-04-16 Adam Nemet <anemet@caviumnetworks.com>
5993 * target.h (struct gcc_target): Add mode_rep_extended.
5994 * rtlanal.c (num_sign_bit_copies_in_rep): New global.
5995 (init_num_sign_bit_copies_in_rep): Initialize it using
5997 (truncate_to_mode): Use it.
5998 (init_rtlanal): Call init_num_sign_bit_copies_in_rep.
5999 * targhooks.h (default_mode_rep_extended): Declare it.
6000 * targhooks.c (default_mode_rep_extended): Define it.
6001 * target-def.h (TARGET_MODE_REP_EXTENDED): New macro. Default to
6002 default_mode_rep_extended.
6003 (TARGET_INITIALIZER): Include it.
6004 * doc/tm.texi (Misc): Document it.
6005 * config/mips/mips.c (TARGET_TRUNCATED_TO_MODE): Override it.
6006 (mips_truncated_to_mode): New function.
6008 2006-04-16 Roger Sayle <roger@eyesopen.com>
6011 * expr.c (compress_float_constant): Copy the narrow constant into
6012 a new pseudo before extending it to its final width.
6014 2006-04-16 Roger Sayle <roger@eyesopen.com>
6015 Andrew Pinski <pinskia@gcc.gnu.org>
6016 Dale Johannesen <dalej@apple.com>
6019 * config/i386/i386.c (ix86_expand_vector_init_duplicate): Add
6020 special case code to implement V8HImode and V16QImode with SSE2.
6022 2006-04-15 Roger Sayle <roger@eyesopen.com>
6024 * config/i386/i386.c (ix86_va_start): Ensure all integer constant
6025 trees are constructed with a suitable tree type.
6027 2006-04-15 Roger Sayle <roger@eyesopen.com>
6029 * tree.c (integer_zerop): Ignore TREE_CONSTANT_OVERFLOW.
6030 (integer_onep): Likewise.
6031 (integer_all_onesp): Likewise.
6032 (integer_pow2p): Likewise.
6033 (integer_nonzerop): Likewise.
6034 (real_zerop): Likewise.
6035 (real_onep): Likewise.
6036 (real_twop): Likewise.
6037 (real_minus_onep): Likewise.
6038 (int_size_in_bytes): Likewise.
6039 (host_integerp): Likewise.
6041 2006-04-15 Kazu Hirata <kazu@codesourcery.com>
6043 * cfgcleanup.c, config/dfp-bit.c, expr.c, fold-const.c,
6044 jump.c, mips-tfile.c, omp-low.c, sched-int.h,
6045 tree-ssa-loop-prefetch.c, tree-vrp.c: Fix comment typos.
6047 * tree-ssa-structalias.h (alias_info): Remove num_references.
6049 2006-04-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6051 * pa.md (output_bb patterns): Shorten long branch alternatives by 4.
6052 (output_bvb patterns): Likewise.
6053 * pa.c (output_bb): Use 'bb' insn for long branch case.
6054 (output_bvb): Likewise use '{bvb|bb}' for long branch case.
6055 (output_dbra): Use '{comb|cmpb}' for long branch case for alternative
6056 1. Correct length operand for alternatives 1 and 2.
6057 (output_movb): Use '{comb|cmpb}' for long branch case for alternatives
6058 1, 2 and 3. Correct length operand for alternatives 1, 2 and 3.
6060 2006-04-14 Roger Sayle <roger@eyesopen.com>
6062 * tree-cfg.c (make_edges, make_omp_sections_edges, move_stmt_r,
6063 is_ctrl_altering_stmt): Reinstate RTH's changes from r112935 that
6064 were accidentally reverted by r112959.
6066 2006-04-15 Jakub Jelinek <jakub@redhat.com>
6069 * except.h (eh_region_outermost): New prototype.
6070 * except.c (eh_region_outermost): New function.
6071 * tree-cfg.c (find_outermost_region_in_block): Use it.
6073 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6075 * local-alloc.c (rest_of_handle_local_alloc): Use VEC instead
6077 * reload1.c (reg_equiv_memory_loc_varray): Rename to
6078 reg_equiv_memory_loc_vec. Change the type to VEC(rtx,gc) *.
6079 (init_reload, reload): Use VEC instead of VARRAY.
6080 * reload.h: Update the prototype for
6081 reg_equiv_memory_loc_varray.
6083 2006-04-14 Alexey Starovoytov <alexey.starovoytov@sun.com>
6084 Eric Botcazou <ebotcazou@libertysurf.fr>
6086 * config/sparc/sparc.c (emit_and_preserve): Allocate space for the
6089 2005-04-13 Uros Bizjak <uros@kss-loka.si>
6092 * builtins.c (expand_builtin_int_roundingfn): Use expand_normal()
6093 to expand fallback builtin function call.
6095 2006-04-14 Alan Modra <amodra@bigpond.net.au>
6098 * builtins.c: (expand_builtin_memset): Stabilize args before expansion
6099 and emit libcall here in case the builtin fails.
6100 (expand_builtin_strcmp): Always emit the libcall here on failure.
6102 2006-04-14 Kazu Hirata <kazu@codesourcery.com>
6104 * basic-block.h (REG_BASIC_BLOCK): Use VEC instead of VARRAY.
6105 * flow.c (reg_n_info): Change the type to
6106 VEC(reg_info_p,heap) *.
6107 * regclass.c (allocate_reg_info, free_reg_info): Use VEC
6109 * regs.h (reg_info_p): New.
6110 (REG_N_REFS, REG_FREQ, REG_N_SETS, REG_N_DEATHS,
6111 REG_N_CALLS_CROSSED, REG_N_THROWING_CALLS_CROSSED,
6112 REG_LIVE_LENGTH, REGNO_FIRST_UID, REGNO_LAST_UID): Use VEC
6115 2006-04-13 Eric Botcazou <ebotcazou@adacore.com>
6117 * params.def (PARAM_MAX_SCHED_READY_INSNS): New parameter,
6119 * params.h (MAX_SCHED_READY_INSNS): New macro.
6120 * haifa-sched.c: (queue_to_ready): Re-queue insns for the next cycle
6121 past MAX_SCHED_READY_INSNS during the first scheduling pass.
6122 (schedule_block): Delay insns past MAX_SCHED_READY_INSNS in
6123 the ready list for 1 cycle during the first scheduling pass.
6124 * doc/invoke.texi (--param): New parameter max-sched-ready-insns.
6126 2006-04-13 Richard Henderson <rth@redhat.com>
6129 * gimple-low.c (lower_omp_directive): Remove dead code.
6130 (lower_stmt): Do nothing except for openmp, except for OMP_PARALLEL.
6131 * gimplify.c (gimplify_expr): Update for OMP_RETURN, OMP_CONTINUE.
6132 * omp-low.c (struct omp_region): Move to tree-flow.h.
6133 (root_omp_region): Export.
6134 (omp_regions, lookup_omp_region): Remove.
6135 (determine_parallel_type): Update for struct omp_region changes.
6136 (dump_omp_region): Dump regions with block numbers.
6137 (new_omp_region): Take type and block instead of stmt; malloc
6139 (free_omp_region_1, free_omp_regions): New.
6140 (expand_parallel_call): Take entry_stmt as argument; update for
6141 changes to omp_region.
6142 (remove_exit_barrier): Rewrite to update OMP_RETURN_NOWAIT.
6143 (remove_exit_barriers): New.
6144 (expand_omp_parallel): Update for struct omp_region changes.
6145 (expand_omp_synch): Likewise.
6146 (expand_omp): Likewise.
6147 (expand_omp_for_static_nochunk): Likewise; update for OMP_CONTINUE.
6148 (expand_omp_for_static_chunk): Likewise.
6149 (expand_omp_for): Likewise.
6150 (expand_omp_for_generic): Likewise; emit the proper GOMP_loop_end call.
6151 (expand_omp_sections): Similarly, with GOMP_sections_end.
6152 (expand_omp_single): New.
6153 (build_omp_regions_1): Update for OMP_CONTINUE.
6154 (execute_expand_omp): Call remove_exit_barriers, free_omp_regions.
6155 (lower_omp_sections): Expand with OMP_CONTINUE, do not collect
6156 OMP_SECTIONS_SECTIONS.
6157 (lower_omp_single_simple): Don't emit barrier here.
6158 (lower_omp_single_copy): Likewise.
6159 (lower_omp_single): Fix bindings, and lower to straightline now.
6160 (lower_omp_master, lower_omp_ordered): Likewise.
6161 (lower_omp_critical): Likewise.
6162 (lower_omp_for): Likewise. Emit OMP_CONTINUE.
6163 * tree-cfg.c (make_edges): Collect an omp_region tree, use it for
6164 omp edges, free it afterward.
6165 (make_omp_sections_edges): Remove.
6166 (is_ctrl_altering_stmt): Don't bother checking flag_openmp.
6167 (move_stmt_r): Handle OMP_CONTINUE.
6168 * tree-flow.h (struct omp_region): Move from omp-low.c. Switch
6169 statement pointers to basic blocks. Add type member.
6170 (root_omp_region, new_omp_region, free_omp_regions): Declare.
6171 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN, OMP_CONTINUE.
6172 * tree-inline.c (estimate_num_insns_1): Likewise.
6173 * tree-pretty-print.c (dump_generic_node): Likewise.
6174 * tree-ssa-operands.c (get_expr_operands): Likewise.
6175 * tree.def (OMP_SECTIONS): Remove OMP_SECTIONS_SECTIONS operand.
6176 (OMP_RETURN): Rename from OMP_RETURN_EXPR.
6177 (OMP_CONTINUE): New.
6178 * tree.h (OMP_DIRECTIVE_P): Add OMP_CONTINUE.
6179 (OMP_SECTIONS_SECTIONS): Remove.
6180 (OMP_SECTION_LAST): New.
6181 (OMP_RETURN_NOWAIT): New.
6183 2006-04-13 Roger Sayle <roger@eyesopen.com>
6185 * fold-const.c (native_encode_vector, native_interpret_real):
6186 Correct obvious mistakes in the previous check-in.
6188 2006-04-13 Roger Sayle <roger@eyesopen.com>
6190 * fold-const.c (native_encode_expr): New function to encode
6191 the target representation of an INTEGER_CST, REAL_CST, COMPLEX_CST
6192 or VECTOR_CST into a specified buffer.
6193 (native_encode_int): New function.
6194 (native_encode_real): New function.
6195 (native_encode_complex): New function.
6196 (native_encode_vector): New function.
6197 (native_interpret_expr): Inverse of native_encode_expr to convert
6198 a target representation into an INTEGER_CST, REAL_CST etc...
6199 (native_interpret_int): New function.
6200 (native_interpret_real): New function.
6201 (native_interpret_complex): New function.
6202 (native_interpret_vector): New function.
6203 (fold_view_convert_expr): New function to constant fold/evaluate
6204 a VIEW_CONVERT_EXPR of a suitable constant expression.
6205 (fold_unary) <VIEW_CONVERT_EXPR>: Call fold_view_convert_expr.
6206 Change call of build1 to fold_build1 when constructing a
6209 2006-04-13 Paolo Bonzini <bonzini@gnu.org>
6210 Ulrich Weigand <uweigand@de.ibm.com>
6213 * config/rs6000/rs6000.h (EASY_VECTOR_15_ADD_SELF): Require n
6216 2006-04-13 Alan Modra <amodra@bigpond.net.au>
6219 * config/rs6000/rs6000.c (rs6000_legitimize_reload_address): Don't
6220 optimize to lo_sum for DFmode if !TARGET_FPRS.
6222 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6224 * tree-ssa-alias.c (set_initial_properties, init_alias_info,
6225 delete_alias_info, compute_flow_sensitive_aliasing,
6226 group_aliases): Use VEC instead of VARRAY.
6227 * tree-ssa-structalias.c (update_alias_info): Likewise.
6228 * tree-ssa-structalias.h (alias_info): Change the type of
6229 processed_ptrs to VEC(tree,heap) *.
6231 2006-04-12 J"orn Rennecke <joern.rennecke@st.com>
6234 * config/sh/lib1funcs.h: New file, broken out of:
6235 * config/sh/lib1funcs.asm.
6236 * config/sh/lib1funcs.h (DR00, DR01, DR20, DR21, DR40, DR41):
6238 * config/sh/lib1funcs.asm (udivsi3_i4): Use them.
6239 * config/sh/lib1funcs-Os-4-200.asm: New file.
6240 * config/sh/embed-elf.h (LIBGCC_SPEC): Use -lgcc-Os-4-200.
6241 * config/sh/t-sh (OPT_EXTRA_PARTS): New variable.
6242 (EXTRA_MULTILIB_PARTS): Include it.
6243 ($(T)sdivsi3_i4i-Os-4-200.o): New rule.
6244 ($(T)udivsi3_i4i-Os-4-200.o, $(T)libgcc-Os-4-200.a): Likewise.
6245 * config/sh/t-superh (EXTRA_MULTILIB_PARTS): Include OPT_EXTRA_PARTS.
6246 * config/sh/sh.h (OVERRIDE_OPTIONS): Recognize -mdiv=call-table for
6249 2006-04-12 Kazu Hirata <kazu@codesourcery.com>
6251 * Makefile.in (TREE_SSA_LIVE_H): Add vecprim.h.
6252 * tree-ssa-live.c (tpa_init, tpa_remove_partition, tpa_delete,
6253 tpa_compact, root_var_init, type_var_init): Use VEC instead of
6255 * tree-ssa-live.h: Include vecprim.h.
6256 (tree_partition_associator_d): Change the type of
6257 first_partition to VEC(int,heap) *.
6258 (tpa_first_partition): Use VEC instead of VARRAY.
6260 * Makefile.in (GTFILES): Move functions.h after tree.h.
6261 * function.c (reset_block_changes, record_block_change,
6262 check_block_change, free_block_changes): Use VEC instead of
6264 * function.h (function): Change the type of
6265 ib_boundaries_block to VEC(tree,gc) *.
6266 * tree-inline.c (copy_cfg_body): Initialize
6267 ib_boundaries_block to NULL instead of (varray_type) 0.
6269 2006-04-12 Roger Sayle <roger@eyesopen.com>
6271 * expr.c (emit_group_store): Correct operand order in call to
6272 subreg_lowpart_offset. Always create paradoxical SUBREGs with
6273 a SUBREG_BYTE of zero.
6275 2006-04-12 Richard Guenther <rguenther@suse.de>
6277 * profile.c (compute_branch_probabilities): Remove code
6278 encapsulated in !ir_type (), which are remanents of the
6279 removed RTL profiling code.
6280 * rtl-profile.c: Remove.
6282 2006-04-12 Alan Modra <amodra@bigpond.net.au>
6284 * config/rs6000/rs6000.c (rs6000_mixed_function_arg): Update
6285 magic NULL_RTX comment.
6286 (function_arg): Store entire fp arg to mem if any part should go
6288 (rs6000_arg_partial_bytes): Adjust for above change.
6290 2006-04-11 Roger Sayle <roger@eyesopen.com>
6292 * dwarf2out.c (output_call_frame_info): Create debug_frame_section
6293 if it hasn't been initialized by dwarf2out_init.
6295 2006-04-11 John David Anglin <dava.anglin@nrc-cnrc.gc.ca>
6297 * pa.md (MAX_12BIT_OFFSET, MAX_17BIT_OFFSET): Define and use new
6298 symbolic constants in branch patterns.
6300 2006-04-11 Roger Sayle <roger@eyesopen.com>
6302 * caller-save.c: #include "addresses.h" after #include "tm_p.h".
6304 2006-04-11 Richard Sandiford <richard@codesourcery.com>
6306 PR rtl-optimization/27073
6307 * gcse.c (try_replace_reg): Revert last change. Continue to search
6308 for both REG_EQUAL and REG_EQUIV notes, but only perform replacements
6311 2006-04-11 Eric Botcazou <ebotcazou@libertysurf.fr>
6313 * config/sparc/sparc.c (function_arg_slotno) <BLKmode>: Handle
6314 aggregate types other than record and union types.
6315 (function_arg): Likewise.
6316 (function_arg_pass_by_reference): In 64-bit mode, return 0 for
6318 (function_value): In 64-bit mode, return objects that require it
6321 2006-04-11 Roger Sayle <roger@eyesopen.com>
6323 * dwarf2out.c (premark_used_types): Remove problematic prototype.
6325 2006-04-11 Jakub Jelinek <jakub@redhat.com>
6327 * gcc.c (LINK_COMMAND_SPEC): Move link_gomp after %o.
6329 2006-04-03 Jeff Law <law@redhat.com>
6332 * tree-ssa-copy.c (may_propagate_copy): Test flow sensitive
6333 alias information too.
6335 2006-04-10 Mike Frysinger <vapier@gentoo.org>
6337 * Makefile.in (gcc-cross): Add $(exeext) to target name.
6339 2006-04-10 Aldy Hernandez <aldyh@redhat.com>
6342 * dwarf2out.c (struct die_struct): Add die_perennial_p field.
6343 (premark_used_types_helper): New.
6344 (premark_used_types): New.
6345 (gen_subprogram_die): Call premark_used_types.
6346 (prune_unused_types_walk): Do not prune perennial dies.
6347 * function.c (used_types_insert): New.
6348 * function.h (struct function): Add used_types_hash field.
6349 (used_types_insert): Add prototype.
6350 * Makefile.in (FUNCTION_H): Depend on HASHTAB_H.
6351 * c-parser.c (c_parser_cast_expression): Save casted types in used
6354 2006-04-11 Mark Mitchell <mark@codesourcery.com>
6357 * config/rs6000/e500-double.h (SUB3TARGET_OVERRIDE_OPTIONS): Test
6358 rs6000_explicit_options.float_gprs.
6360 2006-04-10 Roger Sayle <roger@eyesopen.com>
6362 * config/i386/i386.c (ix86_expand_vector_init_one_nonzero): Renamed
6363 from ix86_expand_vector_init_low_nonzero. Take an additional
6364 one_var argument indicating which element is non-zero. Support
6365 one_var != 0 for V4SFmode and V4SImode by permuting the result.
6366 (ix86_expand_vector_init): Call ix86_expand_vector_init_one_nonzero
6367 with one_var instead of ix86_expand_vector_init_low_nonzero.
6369 2006-04-10 Kazu Hirata <kazu@codesourcery.com>
6371 * Makefile.in (tree-into-ssa.o, tree-outof-ssa.o,
6372 tree-ssa-live.o, tree-ssa-alias.o, function.o, df-problems.o,
6373 global.o, cfglayout.o, lambda-code.o, reg-stack.o,
6374 build/genextract.o): Depend on vecprim.h.
6375 * cfglayout.c, df-problems.c, function.c, genextract.c,
6376 global.c, lambda-code.c, reg-stack.c, tree-into-ssa.c,
6377 tree-outof-ssa.c, tree-ssa-alias.c, tree-ssa-live.c: Include
6381 2006-04-10 Geoffrey Keating <geoffk@apple.com>
6383 * dwarf2out.c (struct dw_attr_struct): Remove dw_attr_next.
6384 Declare VECs of this type.
6385 (struct die_struct): Make field die_attr a VEC of dw_attr_struct.
6386 (remove_children): Delete.
6387 (add_dwarf_attr): Use VEC routines.
6388 (add_AT_flag): Update for changes to add_dwarf_attr.
6389 (add_AT_int): Likewise.
6390 (add_AT_unsigned): Likewise.
6391 (add_AT_long_long): Likewise.
6392 (add_AT_vec): Likewise.
6393 (add_AT_string): Likewise.
6394 (add_AT_die_ref): Likewise.
6395 (add_AT_fde_ref): Likewise.
6396 (add_AT_loc): Likewise.
6397 (add_AT_loc_list): Likewise.
6398 (add_AT_addr): Likewise.
6399 (add_AT_lbl_id): Likewise.
6400 (add_AT_lineptr): Likewise.
6401 (add_AT_macptr): Likewise.
6402 (add_AT_offset): Likewise.
6403 (add_AT_range_list): Likewise.
6404 (get_AT): Use VEC_iterate.
6405 (remove_AT): Use VEC_ordered_remove.
6406 (free_die): Fold remove_children into here; have it use VEC_iterate.
6407 (print_die): Use VEC_iterate on attrs.
6408 (reverse_die_lists): Don't reverse attr lists.
6409 (die_checksum): Use VEC_iterate on attrs.
6410 (same_die_p): Likewise.
6411 (output_location_lists): Likewise.
6412 (build_abbrev_table): Likewise.
6413 (size_of_die): Likewise.
6414 (unmark_all_dies): Likewise.
6415 (output_abbrev_section): Likewise.
6416 (output_die): Likewise.
6417 (prune_unused_types_walk_attribs): Likewise.
6419 2006-04-10 Eric Botcazou <ebotcazou@libertysurf.fr>
6421 * doc/install.texi (*-*-solaris2*): Point to the configure page.
6423 2006-04-10 Jakub Jelinek <jakub@redhat.com>
6426 * dwarf2out.c (is_symbol_die): Return true also for namespaces.
6428 2006-04-09 Roger Sayle <roger@eyesopen.com>
6430 * expr.c (store_constructor): Don't bother clearing target if
6431 we're about to assign a vector to it using vec_init_optab.
6433 2006-04-10 Daniel Berlin <dberlin@dberlin.org>
6435 * tree-ssa-alias.c (lhs_may_store_to): New function.
6436 (recalculate_used_alone): Handle LHS of calls.
6438 2006-04-09 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
6442 * config.gcc (hppa*64*-*-hpux11*): Add 'libgcc_stub.a' to extra_parts.
6443 * pa64-hpux.h (LIB_SPEC): Correct typo. Don't append milli.a.
6444 (LINK_GCC_C_SEQUENCE_SPEC): Define. Append milli.a here.
6445 (PA_CXA_FINALIZE_STUB, PA_JV_REGISTERCLASSES_STUB): Delete defines.
6446 (PA_INIT_FINI_HACK): Rename to PA_CRTBEGIN_HACK.
6447 (PA_CRTBEGIN_HACK): Ensure __do_global_ctors_aux is placed in text
6448 section. Delete PA_CXA_FINALIZE_STUB and PA_JV_REGISTERCLASSES_STUB
6449 stubs. Add ".align 8" directives before all ".dword" directives.
6450 (GTHREAD_USE_WEAK): Revise comment.
6451 (TARGET_ATTRIBUTE_WEAK): Define.
6452 * pa/t-pa64 (LIBGCCSTUB_OBJS): Add new rules for stublib.c, rfi-stub.o,
6453 dfi-stub.o, cxaf-stub.o and jvrc-stub.o.
6454 * stublib.c: New file.
6459 * pa.md (cbranch patterns): Revise arguments used in calls to
6460 output_cbranch, output_bb and output_bvd. Add long branch length
6462 (fbranch patterns): Handle long branches.
6463 (jump): Revise length check. Revise arguments for output_lbranch call.
6464 Add long branch length attributes.
6465 (decrement_and_branch_until_zero): Add long branch length attributes.
6466 (output_movb, output_parallel_addb and output_parallel_movb patterns):
6467 Likewise. Revise arguments for output_parallel_addb and
6468 output_parallel_movb calls.
6469 * pa-protos.h (output_cbranch, output_lbranch, output_bb, output_bvb,
6470 output_parallel_movb and output_parallel_addb): Update prototypes.
6471 * pa.c (output_cbranch): Revise arguments. Correct handling of
6472 nullification in long branches.
6473 (output_lbranch): Add new argument to control extraction of delay
6475 (output_bb): Handle long branches.
6476 (output_bvb, output_dbra, output_movb, output_parallel_movb,
6477 output_parallel_addb): Likewise.
6479 2006-04-09 Richard Sandiford <richard@codesourcery.com>
6481 PR rtl-optimization/27073
6482 * gcse.c (try_replace_reg): Just propagate into REG_EQUAL notes,
6485 2006-04-08 Daniel Berlin <dberlin@dberlin.org>
6487 * tree.h (tree_memory_tag): Add old_used_alone.
6488 (SMT_OLD_USED_ALONE): New macro.
6489 * tree-ssa-alias.c (recalculate_used_alone): Stop
6490 marking things for renaming unnecessarily.
6492 2006-04-08 Kazu Hirata <kazu@codesourcery.com>
6494 * builtins.c, config/arm/arm.c, config/i386/cygwin.h,
6495 config/i386/i386.c, config/ia64/ia64.c, config/s390/fixdfdi.h,
6496 config/sh/sh.c, config/sh/sh.h, df-scan.c, except.c,
6497 haifa-sched.c, optabs.c, rtl.h, sched-deps.c, sched-int.h,
6498 sched-rgn.c, tree-inline.h, tree-ssa-dom.c,
6499 tree-ssa-loop-prefetch.c, tree-ssa-operands.c,
6500 tree-vect-patterns.c, tree-vrp.c: Fix comment typos. Follow
6501 spelling convensions.
6502 * config/ia64/ia64.opt, doc/contrib.texi, doc/invoke.texi,
6503 doc/passes.texi, doc/tm.texi, doc/tree-ssa.texi: Fix comment
6504 typos. Follow spelling conventions.
6506 2006-04-07 DJ Delorie <dj@redhat.com>
6508 * config/m32c/m32c.c (m32c_function_arg): Structures are always
6509 passed on the stack.
6510 (m32c_init_cumulative_args): When a function returns a structure,
6511 always pass the pointer to that return area on the stack.
6512 (m32c_function_arg_advance): Don't increment the parameter number
6513 if we're processing the returned structure pointer.
6514 (pushm_info): Reverse order of registers.
6516 2006-04-07 Sebastian Pop <pop@cri.ensmp.fr>
6518 * tree-ssa-loop-niter.c (inverse, number_of_iterations_ne,
6519 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
6520 number_of_iterations_le, number_of_iterations_cond, find_loop_niter,
6521 estimate_numbers_of_iterations_loop): Use build_int_cst instead of
6523 * tree-chrec.c (chrec_fold_multiply_poly_poly,
6524 chrec_fold_multiply): Same.
6525 * tree-ssa-loop-ivopts.c (strip_offset_1, force_expr_to_var_cost,
6526 force_expr_to_var_cost): Same.
6527 * tree-mudflap.c (mf_xform_derefs_1): Same.
6528 * tree-ssa-loop-prefetch.c (idx_analyze_ref): Same.
6530 2006-04-07 David Edelsohn <edelsohn@gnu.org>
6532 * config/rs6000/rs6000.c (rs6000_rtx_costs) <CONST_DOUBLE>: Do not
6533 treat CONST_DOUBLE as INTVAL. and64_2_operands require an extra
6536 2006-04-07 Jan Hubicka <jh@suse.cz>
6538 * ipa-inline.c (cgraph_early_inlining): Collect garbage.
6540 2006-04-07 Richard Guenther <rguenther@suse.de>
6542 PR tree-optimization/26135
6543 * tree-ssa-copy.c (stmt_may_generate_copy): Handle memory
6544 loads for store copy-prop.
6545 (copy_prop_visit_stmt): Likewise.
6547 2006-04-05 Robert Millan <robertmh@gnu.org>
6549 * config/i386/linux.h: Add a comment to mark macros that are
6550 being overriden in config/k*bsd-gnu.h.
6551 * config/kfreebsd-gnu.h: Redefine GLIBC_DYNAMIC_LINKER instead of
6553 * config/knetbsd-gnu.h: Ditto.
6555 2006-04-06 Jan Hubicka <jh@suse.cz>
6559 * coverage.c (coverage_checksum_string): Reorganize loop to not read
6562 2006-04-06 Mike Stump <mrs@apple.com>
6564 * builtins.c (expand_builtin_longjmp):Use #ifdef instead of #if
6565 for HAVE_nonlocal_goto to be consistent.
6566 (expand_builtin_nonlocal_goto): Likewise.
6567 (expand_builtin_strcmp): Use #ifdef instead of #if
6568 for HAVE_cmpstrnsi to be consistent.
6570 2006-04-05 DJ Delorie <dj@redhat.com>
6572 * config/m32c/m32c.h (INCOMING_FRAME_SP_OFFSET): Adjust for m16c
6575 2006-04-05 Bernd Schmidt <bernd.schmidt@analog.com>
6577 * config/bfin/bfin.c (bfin_legitimate_address_p): Disallow
6578 got-relative addressing for anything but SImode.
6580 * config/bfin/lib1funcs.asm (modsi): P1/P2 can be call-clobbered
6581 even if the calling function doesn't modify them.
6583 2006-04-05 Richard Guenther <rguenther@suse.de>
6585 PR tree-optimization/26919
6586 * ipa-inline.c (cgraph_decide_inlining_incrementally): Fix argument
6587 to cgraph_estimate_size_after_inlining.
6589 2006-04-05 Alan Modra <amodra@bigpond.net.au>
6591 * reload.c (find_dummy_reload): Fix typo in 2006-04-03 change.
6593 2006-04-05 Sebastian Pop <pop@cri.ensmp.fr>
6595 PR tree-optimization/26996
6596 * tree-scalar-evolution.c (analyze_scalar_evolution_1): Don't analyze
6597 VECTOR_TYPE variables.
6599 2006-04-05 Richard Guenther <rguenther@suse.de>
6601 PR tree-optimization/26763
6602 * fold-const.c (fold_comparison): Move folding of
6603 PTR + CST CMP PTR + CST ...
6604 (fold_binary): ... here. Fold only for EQ_EXPR and NE_EXPR.
6606 2006-04-05 Gerald Pfeifer <gerald@pfeifer.com>
6608 * doc/install.texi (Prerequisites): Refine some wording on
6609 bootstrapping and ksh.
6610 Move the version numbers of DejaGnu here from the testing section
6611 and fix casing of names.
6612 Fix markup and clarify wording for autogen requirements.
6613 Refer to GCJ instead of just java.
6614 Refer to SVN instead of CVS.
6615 Describe diffutils as useful instead of necessary.
6616 (Downloading the source): Refer to SVN instead of CVS.
6617 Adjust a link to our web site accordingly.
6618 (Configuration): Fix casing of Bison.
6619 (Building): Refer to SVN instead of CVS.
6620 Fix a sentence on the use of Bison and remove duplicate (and
6621 incorrect) version number of Bison requirement.
6622 Remove one redundant list of packages needed for building.
6623 (Specific): Avoid reference to CVS.
6625 2006-04-04 Eric Christopher <echristo@apple.com>
6627 * config/rs6000/rs6000.c (TARGET_MS_BITFIELD_LAYOUT_P): Define.
6628 (TARGET_USE_MS_BITFIELD_LAYOUT): Ditto.
6629 (rs6000_handle_struct_attribute): New.
6630 (rs6000_ms_bitfield_layout_p): Ditto.
6632 2006-04-04 Geoffrey Keating <geoffk@apple.com>
6634 * config/darwin-crt3.c (atexit): Pass &__dso_handle rather than
6635 NULL for dso parameter to atexit_common.
6637 2006-04-04 Eric Christopher <echristo@apple.com>
6639 * config/i386/i386.c (machopic_output_stub): Output \t
6640 between instructions and operands.
6642 2006-04-04 David Edelsohn <edelsohn@gnu.org>
6644 * config/rs6000/rs6000.c (num_insns_constant_wide): Change
6645 satisfies_constraint_[IL] to explicit tests on value.
6647 2006-04-04 Sebastian Pop <pop@cri.ensmp.fr>
6649 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6650 set_nb_iterations_in_loop): Use build_int_cst instead of
6652 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Use
6653 build_int_cst instead of convert.
6655 2006-04-04 Carlos O'Donell <carlos@codesourcery.com>
6657 * doc/tm.texi (TARGET_STRUCT_VALUE_RTX): Document
6658 new value 2 for incoming.
6659 * function.c (expand_function_start): Call struct_value_rtx
6661 * config/sparc/sparc.md: Comment updated_return.
6662 * config/sparc/sparc.opt: Add -mstd-struct-return option.
6663 * config/sparc/sparc.c (sparc_struct_value_rtx): Use standard
6664 struct return if sparc_std_struct_return and incoming is 2.
6665 (print_operand): Do not adjust return if
6666 sparc_std_struct_return.
6668 2006-04-04 Roger Sayle <roger@eyesopen.com>
6670 * builtins.c (fold_builtin_sprintf): Use fold_convert instead of
6671 convert in the middle-end.
6672 * expr.c (store_expr, store_constructor, get_inner_reference,
6673 expand_expr_real_1, string_constant, try_casesi, try_tablejump):
6675 * tree.c (build_range_type): Likewise.
6677 2006-04-04 Tom Tromey <tromey@redhat.com>
6679 * doc/install.texi (Prerequisites): Mention jar.
6681 2006-04-04 Daniel Berlin <dberlin@dberlin.org>
6683 * doc/tree-ssa.texi (Preserving the virtual ssa form): New
6686 2006-04-04 Matthias Klose <doko@debian.org>
6688 * Makefile.in (unprotoize.o): Same dependencies as for protoize.o.
6692 * Makefile.in (s-macro_list): Conform to POSIX rules in single quoted
6695 2006-04-03 Geoffrey Keating <geoffk@apple.com>
6697 * doc/extend.texi (Function Attributes): Rewrite visibility
6698 attribute documentation.
6699 * doc/invoke.texi (C++ Dialect Options): Rewrite
6700 -fvisibility-inlines-hidden documentation to describe something
6701 entirely different, although in practise compatible.
6702 (Code Gen Options): Warn about system headers in -fvisibility=
6705 * doc/extend.texi (Other Builtins): Document that
6706 __builtin_nan is a compile-time constant only when its argument
6709 2006-04-03 Adam Nemet <anemet@caviumnetworks.com>
6711 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: When
6712 trying to remove TRUNCATE check if all bits outside the new mode
6713 are identical to the sign bit.
6715 2006-04-03 Jeff Law <law@redhat.com>
6717 * tree-ssa-dom.c (propagate_rhs_into_lhs): Avoid useless folding
6718 and operand scanning in some common cases.
6720 2006-04-03 Paolo Bonzini <bonzini@gnu.org>
6721 Dale Johannesen <dalej@apple.com>
6724 * regclass.c (struct reg_pref): Update documentation.
6725 (regclass): Set prefclass to NO_REGS if memory is the best option.
6726 (record_reg_classes): Cope with a prefclass set to NO_REGS.
6727 * reload.c (find_reloads): Take PREFERRED_OUTPUT_RELOAD_CLASS
6728 into account. For non-registers, equate an empty preferred
6729 reload class to a `!' in the constraint; move the if clause to
6730 do so after those that reject the insn.
6731 (push_reload): Allow PREFERRED_*_RELOAD_CLASS to liberally
6733 (find_dummy_reload): Likewise.
6734 * doc/tm.texi (Register Classes): Document what it means
6735 if PREFERRED_*_RELOAD_CLASS return NO_REGS.
6736 * config/i386/i386.c (ix86_preferred_reload_class): Force
6737 using SSE registers (and return NO_REGS for floating-point
6738 constants) if math is done with SSE.
6739 (ix86_preferred_output_reload_class): New.
6740 * config/i386/i386-protos.h (ix86_preferred_output_reload_class): New.
6741 * config/i386/i386.h (PREFERRED_OUTPUT_RELOAD_CLASS): New.
6742 * config/i386/i386.md: Remove # register preferences.
6744 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6747 * tree-scalar-evolution.c (compute_overall_effect_of_inner_loop,
6748 chrec_is_positive, set_nb_iterations_in_loop): Use a variable for
6749 the type of nb_iter.
6750 (instantiate_parameters_1): Convert the operands before calling
6751 chrec_fold_minus, chrec_fold_plus, or chrec_fold_multiply.
6752 * tree-data-ref.c (can_use_analyze_subscript_affine_affine): Same.
6754 2006-04-02 Roger Sayle <roger@eyesopen.com>
6756 * builtins.c (dummy_object): Use build_int_cst instead of convert.
6757 * tree-ssa-ccp.c (maybe_fold_stmt_addition): Use fold_convert
6759 * dojump.c (do_jump): Likewise.
6760 * expr.h (ADD_PARM_SIZE, SUB_PARM_SIZE, ARGS_SIZE_TREE): Likewise.
6761 * gimplify.c (gimple_boolify, gimplify_init_constructor,
6762 gimplify_boolean_expr): Likewise.
6763 * emit-rtl.c (set_mem_attributes_minus_bitpos): Likewise.
6764 * varasm.c (array_size_for_constructor): Likewise.
6765 * tree-object-size.c (compute_object_offset): Likewise.
6767 2006-04-02 Roger Sayle <roger@eyesopen.com>
6770 * expr.c (emit_group_store): Check whether simplify_gen_subreg returns
6771 NULL_RTX, indicating it couldn't create a valid paradoxical subreg.
6773 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6775 PR tree-optimization/26939
6776 * tree-chrec.c (chrec_merge): Use eq_evolutions_p.
6778 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6780 * tree-scalar-evolution.c (add_to_evolution_1): Pass an extra argument
6781 at_stmt. Convert the type of operands before calling
6782 build_polynomial_chrec.
6783 (add_to_evolution): Pass an extra argument at_stmt. Adjust the call to
6785 (follow_ssa_edge_in_rhs): Adjust call to add_to_evolution.
6786 (instantiate_parameters_1): Convert the type of operands before calling
6787 build_polynomial_chrec.
6788 * tree-chrec.c (chrec_fold_poly_cst, chrec_fold_plus_poly_poly,
6789 chrec_fold_multiply_poly_poly, chrec_replace_initial_condition,
6790 reset_evolution_in_loop): Insert asserts to check the types of the
6792 (chrec_type): Moved...
6793 (eq_evolutions_p): Use operand_equal_p.
6794 * tree-chrec.h (build_polynomial_chrec): Insert an assert to check
6795 the types of the operands.
6796 (chrec_type): ...here.
6797 * tree-data-ref.c (create_data_ref): Convert the operands before
6798 calling chrec_replace_initial_condition.
6799 (same_access_functions, analyze_subscript_affine_affine,
6800 analyze_miv_subscript, all_chrecs_equal_p): Use eq_evolutions_p.
6801 (compute_subscript_distance, analyze_ziv_subscript,
6802 analyze_siv_subscript_cst_affine, compute_overlap_steps_for_affine_1_2,
6803 analyze_miv_subscript): Convert the operands before calling
6804 chrec_fold_minus or chrec_fold_plus.
6806 2006-04-02 Sebastian Pop <pop@cri.ensmp.fr>
6808 * tree-data-ref.c (compute_all_dependences): Use a pointer to
6809 the dependence_relations vector.
6810 (compute_data_dependences_for_loop): Adjust call to
6811 compute_all_dependences.
6813 2006-04-01 Roger Sayle <roger@eyesopen.com>
6814 Richard Henderson <rth@redhat.com>
6816 * gimplify.c (gimplify_scan_omp_clauses) <OMP_CLAUSE_IF>: Call
6817 gimple_boolify on the condition before calling gimplify_expr.
6819 2006-03-31 Bob Wilson <bob.wilson@acm.org>
6821 * config/xtensa/lib1funcs.asm: Rename abi_entry/abi_return macros
6822 to leaf_entry/leaf_return. Change leaf_entry to add 16 bytes to
6823 the frame size. Update to use the new macros.
6824 * config/xtensa/ieee754-sf.S: Use new leaf_entry/leaf_return macros.
6825 * config/xtensa/ieee754-df.S: Likewise.
6827 2006-03-31 Richard Henderson <rth@redhat.com>
6829 * tree-cfg.c (make_ctrl_stmt_edges, make_exit_edges): Merge into...
6830 (make_edges): ... here. Control fallthru creation with a local
6831 variable. Do not play with fake edges.
6832 (make_omp_sections_edges): Don't set EDGE_ABNORMAL.
6833 (make_goto_expr_edges): Don't play with fake edges. Make for_call
6836 2006-04-01 Joseph S. Myers <joseph@codesourcery.com>
6838 * dwarf2.h (DW64_CIE_ID): Define.
6839 * dwarf2out.c (DWARF_CIE_ID): Define.
6840 (output_call_frame_info): Output 0xffffffff before standard 8-byte
6841 length header. Use DWARF_CIE_ID.
6842 (value_format): Use DW_FORM_data4 or DW_FORM_data8 for
6843 dw_val_class_loc_list depending on DWARF_OFFSET_SIZE.
6845 2006-03-31 Kaz Kojima <kkojima@gcc.gnu.org>
6847 * config/sh/linux-atomic.asm: New file.
6848 * config/sh/t-linux (LIB2FUNCS_EXTRA): Add linux-atomic.asm.
6850 2006-03-31 DJ Delorie <dj@redhat.com>
6852 * config/m32c/cond.md: Set condition flags properly throughout.
6853 * config/m32c/minmax.md: Likewise.
6854 * config/m32c/prologue.md: Likewise.
6855 * config/m32c/bitops.md: Likewise.
6856 * config/m32c/muldiv.md: Likewise.
6857 * config/m32c/mov.md: Likewise.
6858 * config/m32c/addsub.md: Likewise.
6859 * config/m32c/m32c.md: Likewise.
6860 * config/m32c/jump.md: Likewise.
6861 * config/m32c/shift.md: Likewise.
6863 * config/m32c/cond.md (cmp<mode>): Call m32c_output_compare to
6864 conditionally output the pattern for this.
6865 * config/m32c/m32c.c (flags_needed_for_conditional): New.
6866 (m32c_compare_redundant): New.
6867 (m32c_output_compare): New.
6868 * config/m32c/m32c-protos.h (m32c_output_compare): New.
6870 * config/m32c/m32c.c (m32c_prepare_shift): Fix logic to clobber
6871 dest, not src. Allow other 4-byte modes.
6873 2006-03-30 Denis Chertykov <denisc@overta.ru>
6875 * doc/md.texi: Refer to avr/constraints.md instead of
6878 2006-03-30 Roger Sayle <roger@eyesopen.com>
6880 * expr.c (emit_group_store): Make BYTEPOS a HOST_WIDE_INT to
6881 signed vs. unsigned comparison failures on some hosts.
6883 2006-03-31 Alan Modra <amodra@bigpond.net.au>
6886 * config/rs6000/rs6000.h (CANNOT_CHANGE_MODE_CLASS): Limit 2003-12-08
6887 change to FLOAT_REGS.
6889 * config/rs6000/rs6000.c (rs6000_explicit_options): Add ieee.
6890 (rs6000_override_options): Use it.
6891 (rs6000_handle_option): Set it. Set rs6000_explicit_options.abi
6892 only for -mabi=spe/no-spe and -mabi=altivec.
6894 2006-03-30 Geoffrey Keating <geoffk@apple.com>
6896 * config/darwin.h (LINK_COMMAND_SPEC): Don't try to protect %S with
6899 2006-03-30 Carlos O'Donell <carlos@codesourcery.com>
6901 * Makefile.in: Rename docdir to gcc_docdir.
6903 2006-03-30 Roger Sayle <roger@eyesopen.com>
6906 * expr.c (emit_group_store): Optimize group stores into a pseudo
6907 register by using a paradoxical subreg to initialize the destination
6908 if the first or last member of the group specifies a "low part".
6910 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6913 * rtl.def (DEPS_LIST): Change type of the second operand to 'int'.
6914 * target.h (struct gcc_target.speculate_insn): Change type of the
6915 second parameter to 'int'.
6916 * lists.c (alloc_DEPS_LIST): Change signature. Update reference to
6917 the second operand of the DEPS_LIST.
6918 (copy_DEPS_LIST_list): Update reference to the second operand of the
6920 * rtl.h (alloc_DEPS_LIST): Update signature.
6921 * sched-int.h (ds_t): Change typedef to 'int'.
6922 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
6924 2006-03-30 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
6926 * haifa-sched.c (try_ready): Change condition to restore
6927 non-speculative pattern of the instruction.
6928 (process_insn_depend_be_in_spec): Code to keep probability of the
6929 speculative dependence non-decreasing.
6931 2006-03-30 Jie Zhang <jie.zhang@analog.com>
6933 * config/bfin/bfin.c (single_move_for_strmov): Renamed to...
6934 (single_move_for_movmem): ... this. Also change all uses.
6935 (bfin_expand_strmov): Renamed to...
6936 (bfin_expand_movmem): ... this. Also change all uses.
6937 * config/bfin/bfin.md (movstrsi): Renamed to...
6938 (movstrsi): ...this.
6940 2006-03-30 Paolo Bonzini <bonzini@gnu.org>
6942 PR tree-optimization/26830
6944 * tree-ssa-copy.c (copy_prop_visit_assignment): Do not check loop depth.
6945 (copy_prop_visit_stmt): Remove write-only variable ann.
6946 (init_copy_prop): Check variable loop depth here. Do not simulate
6947 memory-tag and virtual operand PHIs except for store copy prop.
6949 2006-03-30 Richard Guenther <rguenther@suse.de>
6951 * config/i386/i386.c: Remove builtins for SSE2 ABI intrinsic
6952 variants with double arguments.
6954 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6956 * genpreds.c (write_tm_constrs_h): Delete variable p.
6957 * genconditions.c (write_header): Add tm-constrs.h to included
6959 * genpeep.c (main): Add toplev.h to included headers.
6960 * Makefile.in (build/gencondmd.o): Add tm-constrs.h dependency.
6961 (build/genpeep.o): Add toplev.h dependency.
6962 * config/rs6000/constraints.md: Add "W" constraint.
6964 2006-03-29 Roger Sayle <roger@eyesopen.com>
6966 * stor-layout.c (mode_for_size_tree): Remove restiction on type
6967 sizes by correctly testing whether the size fits a host integer.
6968 (initialize_sizetypes): Use set_min_and_max_values_for_integral_type
6969 to correctly set TYPE_MIN_VALUE and TYPE_MAX_VALUE to the full
6970 SImode range for the default sizetype and bitsizetype.
6972 2006-03-29 Roger Sayle <roger@eyesopen.com>
6974 * convert.c (convert_to_pointer): Preserve the TREE_OVERFLOW
6975 and TREE_CONSTANT_OVERFLOW bits of the argument. Return
6976 quickly if the argument is already of the correct type.
6977 Call fold_build1 instead of build1. Tidy up blank lines.
6979 2006-03-29 David Edelsohn <edelsohn@gnu.org>
6981 * genemit.c (main): Add tm-constrs.h to included headers.
6982 * genoutput.c (output_prologue): Add tm-constrs.h to included headers.
6983 * genpeep.c (main): Add tm-constrs.h to included headers.
6984 * genpreds.c (write_satisfies_constraint_fns): Rename to ...
6985 (write_tm_constrs_h): this and write complete file.
6986 (write_tm_preds_h): Do not emit satisfies_constraint fns.
6987 (write_insn_preds_c): Add tm-constrs.h to included headers.
6988 (gen_constrs): New variable.
6989 (parse_option): Parse "-c".
6990 (main): Invoke write_tm_constrs_h.
6991 * genrecog.c (write_header): Add tm-constrs.h to included headers.
6992 * Makefile.in (STAGECOPYSTUFF): Add tm-constrs.h.
6993 (object_out_file): Add tm-constrs.h dependency.
6994 (insn-emit.o): Same.
6995 (insn-output.o): Same.
6996 (insn-peep.o): Same.
6997 (insn-preds.o): Same.
6998 (insn-recog.o): Same.
6999 (tm-constsr.h): New target.
7000 (s-constrs-h): New target.
7002 * config/rs6000/constraints.md: New file.
7003 * config/rs6000/rs6000.c: Include tm-constrs.h.
7004 (num_insn_constant_wide): Convert to satisfies_constraint.
7005 (rs6000_rtx_costs): Convert to satisfies_constraint.
7006 * config/rs6000/rs6000.h (REG_CLASS_FROM_LETTER): Delete.
7007 (CONST_OK_FOR_LETTER_P): Delete.
7008 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7009 (EXTRA_CONSTRAINT): Delete.
7010 (EXTRA_MEMORY_CONSTRAINT): Delete.
7011 (EXTRA_ADDRESS_CONSTRAINT): Delete.
7012 * config/rs6000/predicates.md: Convert to satisfies_constraint.
7013 * config/rs6000/rs6000.md: Include constraints.md. Convert to
7014 satisfies_constraint.
7016 * config/i386/i386.c: Include tm-constrs.h.
7018 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7020 * tree-loop-linear.c (compute_data_dependences_for_loop): Adjust calls.
7021 * tree-data-ref.c (find_data_references_in_loop,
7022 compute_data_dependences_for_loop): Use pointers to VEC.
7023 (analyze_all_data_dependences): Adjust calls.
7024 * tree-data-ref.h (find_data_references_in_loop,
7025 compute_data_dependences_for_loop): Adjust declarations.
7026 * tree-vect-analyze.c (vect_analyze_data_refs): Adjust call to
7027 compute_data_dependences_for_loop.
7029 2006-03-29 Paul Brook <paul@codesourcery.com>
7031 * config/arm/vfp.md (movsf_vfp): Disparage w<->r alternatives.
7034 2006-03-29 Sebastian Pop <pop@cri.ensmp.fr>
7036 PR tree-optimization/26859
7037 * tree-ssa-loop-niter.c (infer_loop_bounds_from_undefined): Avoid
7039 (convert_step): Remove TREE_OVERFLOW and TREE_CONSTANT_OVERFLOW flags
7040 for the step after fold_convert.
7042 2006-03-29 Paul Brook <paul@codesourcery.com>
7044 * reload1.c (choose_reload_regs): Check for all RTX_AUTOINC operators.
7045 (inc_for_reload): Handle PRE_MODIFY and POST_MODIFY addresses.
7047 2006-03-29 Paul Brook <paul@codesourcery.com>
7050 * targhooks.c (default_narrow_bitfield): New fuction.
7051 * targhooks.h (default_narrow_bitfield): add prototype.
7052 * target.h (gcc_target): Add narrow_volatile_bitfield.
7053 * target-def.h (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7054 * stor-layout.c (get_best_mode): Use targetm.narrow_volatile_bitfield.
7055 * doc/tm.texi: Document TARGET_NARROW_VOLATILE_BITFIELDS.
7056 * config/arm/arm.c (TARGET_NARROW_VOLATILE_BITFIELD): Define.
7058 2006-03-29 Andreas Krebbel <krebbel1@de.ibm.com>
7060 * config.gcc (s390-*-linux-*, s390x-*-linux*): Add t-dfprules to
7062 * config/s390/s390.c (S390_scalar_mode_supported_p): New function.
7063 (NR_C_MODES): Add TDmode, DDmode and SDmode.
7064 (s390_output_pool_entry, ): Accept MODE_DECIMAL_FLOAT.
7065 (s390_hard_regno_mode_ok): Disallow TDmode in integer regs.
7066 (s390_function_arg_float): Allow SDmode and DDmode values to be
7067 passed in floating point registers.
7068 (s390_function_arg_integer, s390_function_value): Replace MODE_FLOAT
7069 check with SCALAR_FLOAT_MODE_P.
7070 (TARGET_SCALAR_MODE_SUPPORTED_P): Define target macro.
7072 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7074 PR tree-optimization/25985
7075 * tree-ssa-loop-niter.c (number_of_iterations_le,
7076 number_of_iterations_ne): Make comments more precise.
7077 (number_of_iterations_cond): Add only_exit argument. Use the
7078 fact that signed variables do not overflow only when only_exit
7080 (loop_only_exit_p): New.
7081 (number_of_iterations_exit): Pass result of loop_only_exit_p to
7082 number_of_iterations_cond.
7084 2006-03-28 Zdenek Dvorak <dvorakz@suse.cz>
7086 PR tree-optimization/26643
7087 * tree-ssa-loop-ivopts.c (find_interesting_uses_address): Do not handle
7090 2006-03-28 Kaz Kojima <kkojima@gcc.gnu.org>
7092 * config/sh/sh.md (udivsi3_i4_int): Clobber MACH_REG and MACL_REG.
7093 (divsi3_i4_int): Likewise.
7095 2006-03-28 Roger Sayle <roger@eyesopen.com>
7097 * expr.c (emit_group_store): Only create a new pseudo reg if the
7098 quantity it needs to hold isn't already a suitable pseudo.
7100 2006-03-28 Jeff Law <law@redhat.com>
7102 * timevar.def (TV_TREE_PHI_CPROP): New timevar.
7103 * tree-ssa-dom.c (pass_phi_only_cprop): Use it.
7105 2006-03-28 Roger Sayle <roger@eyesopen.com>
7107 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & Y) ^ Y as
7108 the equivalent ~X & Y, and the symmetry related transformations.
7109 (fold_binary) <BIT_AND_EXPR>: Similarly, fold (X ^ Y) & Y as
7110 ~X & Y, and symmetry related transforms.
7112 2006-03-28 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7114 Revert my 2006-03-27 patches.
7116 2006-03-28 Roger Sayle <roger@eyesopen.com>
7118 * fold-const.c (fold_unary) <NOP_EXPR>: Fold (T1)(~(T2)X) as
7119 ~(T1)X, when T1 and T2 are integer types of the same precision
7120 and (T2)X isn't an extension.
7122 2006-03-28 Jeff Law <law@redhat.com>
7124 PR tree-optimization/26796
7125 * tree-ssa-dom.c (propagate_rhs_into_lhs): Queue blocks which
7126 need EH edge cleanups rather than purging them immediately.
7127 (eliminate_degenerate_phis): Handle queued EH cleanups.
7129 2006-03-28 Daniel Berlin <dberlin@dberlin.org>
7131 * tree-ssa-alias.c (create_sft): Initially inherit TREE_ADDRESSABLE
7134 2006-03-27 Roger Sayle <roger@eyesopen.com>
7137 * fold-const.c (fold_binary) <MINUS_EXPR>: Call fold_convert to
7138 cast BIT_NOT_EXPR operand to the correct type.
7140 2006-03-27 Sebastian Pop <pop@cri.ensmp.fr>
7142 * tree-loop-linear.c: Don't include varray.h.
7143 (gather_interchange_stats, try_interchange_loops,
7144 linear_transform_loops): Use VEC instead of VARRAY.
7145 * lambda-mat.c: Don't include varray.h.
7146 * tree-chrec.c: Same.
7147 * lambda-trans.c: Same.
7148 * tree-vectorizer.c (new_loop_vec_info, destroy_loop_vec_info): Use
7149 VEC instead of VARRAY.
7150 * tree-vectorizer.h: Idem.
7151 * tree-data-ref.c (dump_data_references,
7152 dump_data_dependence_relations, dump_dist_dir_vectors, dump_ddrs,
7153 initialize_data_dependence_relation, finalize_ddr_dependent,
7154 compute_all_dependences, find_data_references_in_loop,
7155 compute_data_dependences_for_loop, analyze_all_data_dependences,
7156 free_dependence_relation, free_dependence_relations,
7157 free_data_refs): Idem.
7158 * tree-data-ref.h (data_reference_p, subscript_p): New.
7159 (data_dependence_relation, DDR_SUBSCRIPT, DDR_NUM_SUBSCRIPTS): Use
7160 VEC instead of VARRAY.
7161 (DDR_SUBSCRIPTS_VECTOR_INIT): Removed.
7162 (find_data_references_in_loop, compute_data_dependences_for_loop,
7163 dump_ddrs, dump_dist_dir_vectors, dump_data_references,
7164 dump_data_dependence_relations, free_dependence_relations,
7165 free_data_refs): Adjust declaration.
7166 (lambda_transform_legal_p): Move declaration here...
7167 * tree-vect-analyze.c (vect_analyze_data_ref_dependences,
7168 vect_compute_data_refs_alignment, vect_verify_datarefs_alignment,
7169 vect_enhance_data_refs_alignment, vect_analyze_data_ref_accesses,
7170 vect_analyze_data_refs): Use VEC instead of VARRAY.
7171 * lambda.h (lambda_transform_legal_p): ...from here.
7172 * lambda-code.c (lambda_transform_legal_p): Use VEC instead of VARRAY.
7173 * tree-vect-transform.c (vect_update_inits_of_drs): Idem.
7174 * Makefile.in (tree-loop-linear.o, lambda-mat.o, lambda-trans.o,
7175 tree-chrec.o): Don't depend on VARRAY_H.
7177 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7179 * rtl.def (Copyright): Update date.
7180 (DEPS_LIST): Change type of the second operand to 'int'.
7181 * target.h (Copyright): Update date.
7182 (struct gcc_target.speculate_insn): Change type of the second parameter
7184 * lists.c (Copyright): Update date.
7185 (alloc_DEPS_LIST): Change signature. Update reference to the second
7186 operand of the DEPS_LIST.
7187 (copy_DEPS_LIST_list): Update reference to the second operand of the
7189 * rtl.h (Copyright): Update date.
7190 (alloc_DEPS_LIST): Update signature.
7191 * sched-int.h (Copyright): Update date.
7192 (ds_t): Change typedef to 'int'.
7193 (DEP_STATUS, BITS_PER_DEP_STATUS): Update.
7195 2006-03-27 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7197 * haifa-sched.c (Copyright): Update date.
7198 (try_ready): Change condition to restore non-speculative pattern
7200 (process_insn_depend_be_in_spec): Code to keep probability of the
7201 speculative dependence non-decreasing.
7203 2006-03-27 Bernd Schmidt <bernd.schmidt@analog.com>
7205 * regrename.c (replace_oldest_value_addr): Initialize a variable to
7206 shut up the compiler.
7208 2006-03-27 J"orn Rennecke <joern.rennecke@st.com>
7210 * config/sh/t-sh ($(T)libic_invalidate_array_4-100.a): Fix rule
7211 to use lib prefix for target.
7212 ($(T)libic_invalidate_array_4-200.a): Likewise.
7213 ($(T)libic_invalidate_array_4a.a): Likewise.
7215 2006-03-27 Andrew Stubbs <andrew.stubbs@st.com>
7216 J"orn Rennecke <joern.rennecke@st.com>
7218 * superh.opt: New file.
7219 * sh.c (boardtype, osruntime): Remove.
7220 * superh.h (SUBTARGET_OPTIONS): Remove.
7221 * config.gcc (sh*-superh-elf): Add sh/superh.opt to extra_options.
7223 * config.gcc (sh*-*-*): Don't use c-c ranges for tr. Quote sed
7224 arguments with ^ and/or [].
7226 * config.gcc (sh-*-*): Add quoting to account for quirk of
7228 Replace == with = in enable_incomplete_targets test.
7230 * config/sh/superh.h (SUBTARGET_LINK_SPEC): Replace LITTLE_ENDIAN_BIT
7231 with MASK_LITTLE_ENDIAN.
7233 * config.gcc (sh*-superh-elf): Add sh/superh.h to tm_file.
7234 * config/sh/sh.opt: Added to some comments.
7235 * config/sh/superh.h: Removed some chaff.
7237 * config/sh/sh.opt: Add m4-[1234]00* options.
7238 * config/sh/sh.c (sh_handle_option): Likewise.
7239 * config/sh/t-sh (IC_EXTRA_PARTS, EXTRA_MULTILIB_PARTS): Define.
7240 (ic_invalidate_array_4-100.o): New rule.
7241 ($(T)libic_invalidate_array_4-100.a): Likewise.
7242 (ic_invalidate_array_4-200.o): Likewise.
7243 ($(T)libic_invalidate_array_4-200.a): Likewise.
7244 (ic_invalidate_array_4a.o): Likewise.
7245 ($(T)libic_invalidate_array_4a.a): Likewise.
7246 * config/sh/t-elf (EXTRA_MULTILIB_PARTS): Add IC_EXTRA_PARTS.
7247 * config/sh/embed-elf.h (LIBGCC_SPEC): Add clauses for m4-100*,
7249 * config/sh/crt1.asm: Merged in profiling code.
7250 * config/sh/superh.h (STARTFILE_SPEC): Override.
7251 * config/sh/t-superh: Override EXTRA_MULTILIB_PARTS.
7252 Add rules for $(T)crt1-mmu.o, $(T)gcrt1-mmu.o and $(T)gcrt1.o.
7253 * config.gcc (sh*-superh-elf): Add t-superh to tmake_file.
7255 * t-sh (MULTILIB_MATCHES): Add sh4-[1245]00* variants.
7256 * config/sh/t-superh: Removed now-redundant MULTILIB_OPTIONS /
7257 MULTILIB_DIRNAMES / MULTILIB_MATCHES settings.
7259 * sh.opt (mpretend-cmove): New option.
7260 * sh.h (OPERRIDE_OPTIONS): Switch it off if not TARGET_SH1.
7261 * sh.md (movsicc_t_false, movsicc_t_tru): New patterns.
7262 (movsicc): Add TARGET_PRETEND_CMOVE code.
7264 2006-03-27 Andreas Krebbel <krebbel1@de.ibm.com>
7266 * config/s390/s390-protos.h (s390_hard_regno_mode_ok,
7267 s390_class_max_nregs): New function prototypes.
7268 * config/s390/s390.c (REGNO_PAIR_OK): New macro.
7269 (s390_hard_regno_mode_ok, s390_class_max_nregs): New functions.
7270 * config/s390/s390.h (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK,
7271 CLASS_MAX_NREGS): Macro bodies replaced by function calls.
7273 2006-03-26 Geoffrey Keating <geoffk@apple.com>
7275 * dwarf2out.c (add_location_or_const_value_attribute): Call
7276 tree_add_const_value_attribute if nothing else works.
7277 (reference_to_unused): New.
7278 (rtl_for_decl_init): Use reference_to_unused to decide whether
7279 to output an initializer.
7281 2006-03-27 Alan Modra <amodra@bigpond.net.au>
7284 * config/rs6000/rs6000.md (DF reg move peephole): Prevent
7285 peephole removing spe frob_di_df_2.
7287 2006-03-26 Sebastian Pop <pop@cri.ensmp.fr>
7289 * tree-data-ref.c: Rename DDR_SIZE_VECT to DDR_NB_LOOPS.
7290 (subscript_dependence_tester_1): Declared.
7291 (print_dir_vectors, print_dist_vectors): New.
7292 (debug_data_dependence_relation): New.
7293 (dump_data_dependence_relation): Print more details.
7294 (initialize_data_dependence_relation): Initialize DDR_LOOP_NEST.
7295 (analyze_subscript_affine_affine): Don't ICE when gcd_alpha_beta is 0.
7296 (save_dist_v, save_dir_v, add_outer_distances,
7297 build_classic_dist_vector_1): New.
7298 (build_classic_dist_vector): Rewrite to work on DDR_LOOP_NEST.
7299 Don't test for lambda_vector_lexico_pos.
7300 (same_access_functions, add_multivariate_self_dist,
7301 add_other_self_distances, dir_from_dist): New.
7302 (build_classic_dir_vector): Replace implementation almost identical to
7303 build_classic_dist_vector with a walk of DDR_DIST_VECTS with a call to
7305 (subscript_dependence_tester_1): New.
7306 (subscript_dependence_tester): Handle the lexicographically negative
7307 distance vectors by recomputing the dependence relation.
7308 (compute_affine_dependence): Remove parameter loop_nest_depth.
7309 (compute_self_dependence): Don't call compute_subscript_distance.
7310 (compute_all_dependences): Remove parameters nb_loops, loop_nest_depth.
7311 Add a parameter for the loop_nest.
7312 (find_loop_nest_1, find_loop_nest): New.
7313 (compute_data_dependences_for_loop): Compute the loop nest, and give
7314 up if the nest is not well formed.
7315 * tree-data-ref.h (loop_p): New.
7316 (struct data_dependence_relation): Replace size_vect field with
7317 loop_nest, a vec of loops.
7318 (DDR_SIZE_VECT): Renamed DDR_NB_LOOPS.
7319 (DDR_LOOP_NEST): New.
7320 (print_dir_vectors, print_dist_vectors,
7321 debug_data_dependence_relation): Declared.
7322 (index_in_loop_nest): New.
7323 * tree-vect-analyze.c (vect_analyze_data_ref_dependence): Use
7324 DDR_LOOP_NEST and index_in_loop_nest to determine the dependence
7327 2006-03-25 Adam Nemet <anemet@caviumnetworks.com>
7329 * simplify-rtx.c (simplify_relational_operation): Call
7330 simplify_relational_operation_1 even if mode is VOIDmode.
7332 2006-03-25 Daniel Berlin <dberlin@dberlin.org>
7334 PR tree-optimization/26804
7335 * tree.h (DECL_CALL_CLOBBERED): New macro.
7336 (tree_decl_common): Add call_clobbered_flag.
7337 * tree-flow-inline.h (is_call_clobbered): Use DECL_CALL_CLOBBERED.
7338 (mark_call_clobbered): Set DECL_CALL_CLOBBERED.
7339 (clear_call_clobbered): Clear DECL_CALL_CLOBBERED.
7340 (mark_non_addressable): Ditto.
7341 * tree-ssa.c (verify_call_clobbered): New function.
7342 (verify_alias_info): Use it.
7343 * tree-pass.h (pass_reset_cc_flags): New prototype.
7344 * tree-ssa-alias.c (pass_reset_cc_flags): New structure.
7345 (reset_cc_flags): New function.
7346 * passes.c (init_optimization_passes): Call reset_cc_flags after
7347 initializing referenced_vars.
7349 2006-03-25 Uros Bizjak <uros@kss-loka.si>
7350 Roger Sayle <roger@eyesopen.com>
7353 * fold-const.c (fold_binary) [RDIV_EXPR]: Do not optimize A / A
7354 to 1.0 for non-real operands. Implement A / A optimization for
7357 2006-03-25 H.J. Lu <hongjiu.lu@intel.com>
7359 * config/i386/i386.c (size_cost): Correct the comment for
7360 cost of storing fp registers.
7361 (i386_cost): Likewise.
7362 (i486_cost): Likewise.
7363 (pentium_cost): Likewise.
7364 (pentiumpro_cost): Likewise.
7365 (k6_cost): Likewise.
7366 (athlon_cost): Likewise.
7367 (k8_cost): Likewise.
7368 (pentium4_cost): Likewise.
7369 (nocona_cost): Likewise.
7370 (generic64_cost): Likewise.
7371 (generic32_cost): Likewise.
7373 2006-03-24 Denis Chertykov <denisc@overta.ru>
7375 * config/avr/avr-protos.h (extra_constraint): Delete.
7376 (extra_constraint_Q): New declaration.
7377 * config/avr/constraints.md: New file.
7378 * config/avr/avr.md: Include it.
7379 (REG_X, REG_Y, REG_Z, REG_W): New constants.
7380 (TMP_REGNO, ZERO_REGNO): Likewise.
7381 (UNSPEC_STRLEN, UNSPEC_INDEX_JMP): Likewise.
7382 * config/avr/avr.c (avr_reg_class_from_letter): Delete.
7383 (extra_constraint): Delete.
7384 (extra_constraint_Q): Test for memory constraint 'Q'.
7385 * config/avr/avr.h (REG_X,REG_Y,REG_Z,REG_W): Delete.
7386 (REG_CLASS_FROM_LETTER): Delete.
7387 (CONST_OK_FOR_LETTER_P): Delete.
7388 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
7389 (EXTRA_CONSTRAINT): Delete.
7390 (TMP_REGNO): Delete.
7391 (ZERO_REGNO): Delete.
7393 2006-03-24 Jeff Law <law@redhat.com>
7395 * tree-ssa-dom.c (propagate_rhs_into_lhs): Don't call update_stmt
7396 directly. Call mark_new_vars_to_rename slightly earlier.
7398 2006-03-24 Geoffrey Keating <geoffk@apple.com>
7400 * dwarf2out.c (is_c_family): Understand new DWARF3 language types.
7402 (gen_compile_unit_die): Use new language types for Objective-C and
7404 (dwarf2out_decl): Use is_cxx rather than testing explicitly against
7405 DW_LANG_C_plus_plus.
7408 * config/t-darwin (crt3.o): Work around bug 26840.
7409 * config/darwin-crt3.c: Rewrite.
7410 * config/darwin.h (STARTFILE_SPEC): Don't use -l for crt3.o.
7412 2006-03-24 Carlos O'Donell <carlos@codesourcery.com>
7414 * doc/invoke.texi: Document -femit-class-debug-always
7415 * common.opt: Add -femit-class-debug-always.
7417 2006-03-24 Andreas Krebbel <krebbel1@de.ibm.com>
7419 * config/s390/s390.c (s390_decompose_address): Allow SImode for
7420 index and base register.
7421 (s390_expand_plug_operand, legitimate_address_p, preferred_la_operand_p,
7422 print_operand_address, print_operand): Replaced REG_OK_FOR_BASE_STRICT_P
7423 with REGNO_OK_FOR_BASE_P and REG_OK_FOR_INDEX_STRICT_P with
7424 REGNO_OK_FOR_INDEX_P.
7425 * config/s390/s390.h (REGNO_OK_FOR_INDEX_P): Replaced check with
7427 (REG_OK_FOR_INDEX_NONSTRICT_P, REG_OK_FOR_BASE_NONSTRICT_P,
7428 REG_OK_FOR_INDEX_STRICT_P, REG_OK_FOR_BASE_STRICT_P, REG_OK_FOR_INDEX_P,
7429 REG_OK_FOR_BASE_P): Definitions removed.
7431 2006-03-24 Jakub Jelinek <jakub@redhat.com>
7434 * gimplify.c (gimplify_bind_expr): Only call omp_add_variable on
7435 non-global variables that don't have DECL_SEEN_IN_BIND_EXPR_P bit
7436 set yet or weren't marked as local yet.
7438 2006-03-24 Bernd Schmidt <bernd.schmidt@analog.com>
7440 * regrename.c (scan_rtx_address): Initialize a variable to shut up
7443 2006-03-24 Eric Botcazou <ebotcazou@adacore.com>
7445 * config/rs6000/rs6000-protos.h (rs6000_offsettable_memref_p): Declare.
7446 (rs6000_legitimate_small_data_p): Delete.
7447 * config/rs6000/rs6000.c (rs6000_offsettable_memref_p): New predicate.
7448 (rs6000_legitimate_small_data_p): Rename to legitimate_small_data_p
7449 and make static. Add forward declaration. Update uses.
7450 (rs6000_split_multireg_move): Use rs6000_offsettable_memref_p instead
7451 of offsettable_memref_p.
7452 * config/rs6000/rs6000.md (movdf_hardfloat32): Revert 2005-08-23 fix.
7453 Use rs6000_offsettable_memref_p instead of a less accurate predicate.
7455 2006-03-24 Jeff Law <law@redhat.com>
7457 * tree-ssa-dom.c (propagate_rhs_into_lhs): Temporarily work
7458 around bug in immediate-use iterator.
7460 2006-03-24 Alan Modra <amodra@bigpond.net.au>
7463 * config/rs6000/darwin-ldouble.c: Don't compile when __NO_FPRS__
7464 or __LITTLE_ENDIAN__.
7466 2006-03-23 J"orn Rennecke <joern.rennecke@st.com>
7468 * config/sh/divtab-sh4.c, config/sh/divcost-analysis: New files.
7469 * config/sh/lib1funcs.asm (div_table): Add !__SH5__ variant.
7470 * config/sh/t-sh (LIB1ASMFUNCS): Add _div_table.
7471 * config/sh/sh.opt (mdiv=): Amend description.
7472 * config/sh/sh.h (TARGET_DIVIDE_CALL_DIV1): New macro.
7473 (TARGET_DIVIDE_CALL_FP, TARGET_DIVIDE_CALL_TABLE): Likewise.
7474 (sh_divide_strategy_e): Add new members SH_DIV_CALL_DIV1,
7475 SH_DIV_CALL_FP, SH_DIV_CALL_TABLE and SH_DIV_INTRINSIC.
7476 (OVERRIDE_OPTIONS): Also process sh_div_str for TARGET_SH1.
7477 Calculate sh_divsi3_libfunc using TARGET_DIVIDE_* macros.
7478 * config/sh/sh.md (udivsi3_i4_int, divsi3_i4_int): New patterns.
7479 (udivsi3, divsi3): Use them. Check TARGET_DIVIDE_CALL_TABLE /
7480 TARGET_DIVIDE_CALL_FP.
7482 2006-03-23 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
7484 * haifa-sched.c (choose_ready): Fix type of the local variable.
7485 Move local variables. Add comment.
7486 (check_reg_live): Change signature. Make callable from debugger.
7487 * sched-int.h (check_reg_live): Update signature.
7488 * sched-ebb.c (check_reg_live): Update parameters.
7489 * sched-rgn.c (check_reg_live): Ditto.
7490 (region_head_or_leaf_p): Check pointer before dereferencing.
7491 * config/ia64/ia64.c (ia64_set_sched_flags): Disable data speculation
7492 before reload on optimization levels below 1.
7494 2006-03-23 Richard Henderson <rth@redhat.com>
7496 * config/alpha/alpha.c (alpha_legitimate_constant_p): Reject
7500 * config/alpha/predicates.md (local_symbolic_operand): Reject
7503 2006-03-23 Andrew Pinski <pinskia@physics.uc.edu>
7506 * tree-ssa-pre.c (create_value_expr_from): Don't reject
7507 expressions which have overflowed constants.
7509 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7511 * cse.c (cse_end_of_basic_block): Do not check for LOOP_END note.
7513 2006-03-23 Zdenek Dvorak <dvorakz@suse.cz>
7515 * cfgloopmanip.c (create_loop_notes): Removed.
7516 * final.c (final_scan_insn): Do not handle loop notes.
7517 * jump.c (squeeze_notes): Ditto.
7518 * cfglayout.c (skip_insns_after_block,
7519 duplicate_insn_chain): Ditto.
7520 * cfgcleanup.c (rest_of_handle_jump2): Do not call
7522 * cfgloop.h (create_loop_notes): Declaration removed.
7524 2006-03-23 Richard Sandiford <richard@codesourcery.com>
7526 * varasm.c (output_constant_pool): Restore fnname and fndecl
7528 (assemble_start_function): Adjust call accordingly.
7529 (assemble_end_function): Likewise.
7531 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7534 * tree-mudflap.c (mudflap_finish_file): Skip erroneous objects.
7537 * tree-mudflap.c (mf_xform_derefs_1): Return early on error_mark_node.
7539 2006-03-22 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
7542 * system.h (ICE_EXIT_CODE): New macro.
7543 * diagnostic.c (diagnostic_count_diagnostic): Exit with ICE_EXIT_CODE.
7544 (diagnostic_action_after_output): Likewise.
7545 * gcc.c (fatal_ice): New function.
7546 (execute): Use it instead of fatal.
7547 (fancy_abort): Likewise.
7548 * doc/invoke.texi (-pass-exit-codes): Document return code for ICEs.
7550 2006-03-22 Jeff Law <law@redhat.com>
7552 * loop-unroll.c (analyze_iv_to_split_insn): Handle
7553 iv_analyze_result returning false.
7555 2006-03-22 Jie Zhang <jie.zhang@analog.com>
7557 * config/bfin/bfin.h (ASM_FORMAT_PRIVATE_NAME): Remove.
7559 2006-03-22 Richard Henderson <rth@redhat.com>
7562 * except.c (duplicate_eh_regions_0): New.
7563 (duplicate_eh_region_1): Duplicate the children of the node as
7564 well as the node itself. Link them up properly.
7565 (duplicate_eh_region_2): Merge into ...
7566 (duplicate_eh_regions): ... here. Take copy_region argument, and
7567 copy only a sub-tree if asked. Simplify copying and fixup.
7568 (eh_region_outer_p): New.
7569 * except.h (duplicate_eh_regions): Update decl.
7570 (eh_region_outer_p): Declare.
7571 * omp-low.c (lower_omp_single): Fix eh region placement wrt OMP_RETURN.
7572 (lower_omp_master): Likewise.
7573 (lower_omp_ordered): Likewise.
7574 * tree-cfg.c (struct move_stmt_d): Add new_label_map.
7575 (move_stmt_r): Use it to remap labels. Handle recursion vs
7576 remap_decls_p properly.
7577 (move_block_to_fn): Pass in new_label_map. Remap RESX_EXPR.
7578 (find_outermost_region_in_block): New.
7579 (new_label_mapper): New.
7580 (move_sese_region_to_fn): Copy eh information to the new function
7582 * tree-inline.c (copy_cfg_body): Update for new duplicate_eh_regions
7584 * tree-pretty-print.c (dump_generic_node): Dump RESX_EXPR region
7587 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7589 * doc/md.texi (-mshared): Mention that -mshared code can be linked
7590 into shared libraries.
7592 2006-03-22 Richard Sandiford <richard@codesourcery.com>
7594 * doc/md.texi: Refer to i386/constraints.md instead of
7596 * config/i386/constraints.md: New file, extracted from...
7597 * config/i386/predicates.md: ...here.
7598 * config/i386/i386.md: Include constraints.md.
7600 2006-03-21 Jason Merrill <jason@redhat.com>
7602 * builtins.c (expand_builtin_fork_or_exec): Fix pasto.
7605 * expr.c (init_block_move_fn): Force default visibility.
7606 (init_block_clear_fn): Likewise.
7607 * builtins.c (expand_builtin_fork_or_exec): Likewise.
7608 * targhooks.c (default_external_stack_protect_fail): Likewise.
7610 2006-03-21 Richard Sandiford <richard@codesourcery.com>
7612 * config/mips/predicates.md (const_call_insn_operand): Allow direct
7613 calls to locally-defined functions if TARGET_ABSOLUTE_ABICALLS.
7614 * config/mips/mips.md (jal_macro): Test TARGET_ABSOLUTE_ABICALLS.
7615 Use TARGET_OLDABI instead of !TARGET_NEWABI.
7616 (loadgp): Use mips_current_loadgp_style.
7617 (loadgp_noshared): New pattern.
7618 (sibcall_internal): Use MIPS_CALL.
7619 (sibcall_value_internal): Likewise.
7620 (sibcall_value_multiple_internal): Likewise.
7621 (call_internal): Likewise.
7622 (call_value_internal): Likewise.
7623 (call_value_multiple_internal): Likewise.
7624 (call_split): Use MIPS_CALL and add an 'S' constraint.
7625 (call_value_split): Likewise.
7626 (call_value_multiple_split): Likewise.
7627 * config/mips/mips.opt (-mabicalls): Tweak docstring.
7628 (-mshared): New option.
7629 * config/mips/mips-protos.h (mips_loadgp_style): New enum.
7630 (mips_current_loadgp_style): Declare.
7631 * config/mips/mips.c (mips_classify_symbol): Avoid using
7632 SYMBOL_GOT_LOCAL if TARGET_ABSOLUTE_ABICALLS. Use SYMBOL_GENERAL
7633 rather than SYMBOL_GOT_GLOBAL for locally-binding symbols if
7634 TARGET_ABSOLUTE_ABICALLS.
7635 (override_options): Adjust comments. Improve the warning that is
7636 issued when -mabicalls and -G are used together.
7637 (mips_file_start): Remove comment.
7638 (mips_current_loadgp_style): New function.
7639 (mips_gnu_local_gp): New variable.
7640 (mips_emit_loadgp): Use mips_current_loadgp_style. Handle
7642 (mips_output_function_prologue): Use mips_current_laodgp_style.
7643 (mips_expand_prologue): Call mips_emit_loadgp before emitting
7644 the cprestore instruction.
7645 (mips_extra_live_on_entry): Fix reversed test. Don't make $25
7646 live for TARGET_ABSOLUTE_ABICALLS.
7647 * config/mips/mips.h (TARGET_ABSOLUTE_ABICALLS): New macro.
7648 (ASM_SPEC): Pass down -mshared and -mno-shared.
7649 (MIPS_CALL): New macro.
7650 * config/mips/netbsd.h (TARGET_OS_CPP_BUILTINS): Remove __ABICALLS__
7652 * doc/invoke.texi (-mabicalls): Update documentation.
7653 (-mshared): Document.
7655 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7657 * config/ia64/unwind-hpux.c: New file.
7658 * config/ia64/t-hpux: Add unwind-hpux.c to libgcc.
7660 2006-03-21 Steve Ellcey <sje@cup.hp.com>
7663 * config/pa/pa64-hpux.h (LIB_SPEC): Fix for -mt and -pthread options.
7665 2006-03-21 Jeff Law <law@redhat.com>
7667 * tree-vrp.c (extract_range_from_unary_expr): Derive ranges for
7668 type conversions of a VR_VARYING source to a wider type.
7670 2006-03-21 Eric Botcazou <ebotcazou@libertysurf.fr>
7672 * config.gcc (i[34567]86-*-solaris2*): Add config/sol2-10.h to
7673 tm_file on Solaris 10 and later.
7674 (sparc64-*-solaris2*): Likewise.
7675 (sparc-*-solaris2*): Likewise.
7676 * config/sol26.h: Rename to config/sol2-6.h.
7677 * config/sol2-10.h: New file.
7679 2006-03-21 Andrew Pinski <pinskia@physics.uc.edu>
7682 * tree-ssa-pre.c (create_component_ref_by_pieces):
7685 2006-03-21 Jakub Jelinek <jakub@redhat.com>
7688 * tree.c (get_callee_fndecl): If CALL is error_mark_node,
7689 return it immediately.
7691 2006-03-21 Michael Matz <matz@suse.de>
7693 * genautomata.c (<struct state>, num_out_arcs, presence_signature):
7695 (remove_arc, add_arc): Update num_out_arcs member.
7696 (set_out_arc_insns_equiv_num): Returns nothing instead of number
7698 (cache_presence): New function.
7699 (compare_states_for_equiv): New function.
7700 (state_is_differed): Don't take number of outargs, adjust callers.
7701 Use new invariant for speeding up.
7702 (init_equiv_class): Create initial classes based on sorted
7704 (partition_equiv_class): Don't track out_arcs_num.
7705 (evaluate_equiv_classes): Call cache_presence on all states and
7708 2006-03-21 Bernd Schmidt <bernd.schmidt@analog.com>
7710 * config/bfin/bfin-protos.h (bfin_dsp_memref_p): Declare.
7711 * config/bfin/bfin.c (bfin_dsp_memref_p): New function.
7712 (bfin_valid_reg_p): Test for pseudos explicitly and use only
7713 REGNO_MODE_CODE_OK_FOR_BASE_P. New args MODE and OUTER_CODE; all
7715 * config/bfin/bfin.h (PREG_P): Use P_REGNO_P.
7716 (IREG_P, P_REGNO_P, I_REGNO_P): New macros.
7717 (enum reg_class, REG_CLASS_CONTENTS): Add IPREGS.
7718 (BASE_REG_CLASS, REG_OK_FOR_BASE_P, REG_OK_FOR_INDEX_P,
7719 REGNO_OK_FOR_BASE_STRICT_P, REGNO_OK_FOR_BASE_NONSTRICT_P): Delete
7721 (IREG_POSSIBLE_P, MODE_CODE_BASE_REG_CLASS,
7722 REGNO_MODE_CODE_OK_FOR_BASE_P): New macros.
7723 (REGNO_REG_CLASS): ARGP is in PREGS.
7724 * config/bfin/bfin.md (movhi_insn): Allow for addresses containing
7726 (zero_extendhisi2, extendhisi2): Likewise; changed to define_and_split
7727 to deal with those addresses.
7728 * addresses.h: New file.
7729 * caller-save.c: Include "addresses.h".
7730 (init_caller_save): Use new base_reg_class function.
7731 * rtl-factoring.c: Include "addresses.h".
7732 (recompute_gain_for_pattern_seq): Use new function ok_for_base_p_1.
7733 * recog.c: Include "addresses.h".
7734 (preprocess_constraints): Use new base_reg_class function.
7735 * regrename.c: Include "addresses.h".
7736 (scan_rtx_address): Use new regno_ok_for_base_p and base_reg_class
7737 functions. Keep track of a new var INDEX_CODE to compute valid
7739 (replace_oldest_value_addr): Likewise.
7740 (replace_oldest_value_mem): Use base_reg_class.
7741 * reload.c: Include "addresses.h".
7742 (REGNO_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P): Delete macros.
7743 (find_reloads): Use new base_reg_class function.
7744 (find_reloads_address): Likewise; also use regno_ok_for_base_p.
7745 (find_reloads_address_1): Likewise. New args OUTER_CODE and INDEX_CODE;
7746 all callers and prototype changed.
7747 * reload1.c: Include "addresses.h".
7748 (maybe_fix_stack_asms): Use base_reg_class.
7749 * regclass.c: Include "addresses.h".
7750 (ok_for_index_p_nonstrict, ok_for_base_p_nonstrict): New functions.
7751 (init_reg_autoinc): Use new base_reg_class function.
7752 (record_reg_classes): Likewise.
7753 (record_address_regs): Delete arg CLASS; add args CONTEXT, MODE,
7754 OUTER_CODE and INDEX_CODE. All callers and prototype changed.
7755 Use new args to compute necessary class.
7757 * Makefile.in (regclass.o, reload.o, reload1.o, caller-save.o, recog.o,
7758 regrename.o, rtl-factoring.o): Update dependencies.
7759 * doc/tm.texi (MODE_CODE_BASE_REG_CLASS): Document.
7760 (REGNO_MODE_CODE_OK_FOR_BASE_P): Likewise.
7761 (REG_OK_FOR_BASE_P, REG_MODE_OK_FOR_BASE_P, REG_MODE_OK_FOR_REG_BASE_P,
7762 REG_OK_FOR_INDEX_P): Delete documentation.
7764 2006-03-21 Alexey Starovoytov <alexey.starovoytov@sun.com>
7766 * config.gcc (sparc-*-solaris2*): Change the default CPU setting
7767 from V7 to V9 for Solaris 7 and above.
7769 2006-03-21 Toon Moene <toon@moene.indiv.nluug.nl>
7771 * doc/invoke.texi: Document new flag -fargument-noalias-anything.
7772 * tree-ssa-alias.c (may_alias_p): If flag_argument_noalias > 2,
7773 argument pointers may not alias any other storage.
7774 * common.opt: Define option -fargument-noalias-anything.
7775 * tree-ssa-structalias.c (intra_create_variable_infos): Fortran
7776 alias semantics is specified by flag_argument_noalias > 2.
7778 2006-03-20 Jeff Law <law@redhat.com>
7780 * tree-pass.h (pass_phi_only_copy_prop): Delete.
7781 (pass_phi_only_cprop): Declare.
7782 * passes.c (init_optimization_passes): Replace pass_phi_only_copy_prop
7784 * tree-ssa-dom.c (degenerate_phi_result): New function.
7785 (remove_stmt_or_phi, get_lhs_or_phi_result): Likewise.
7786 (get_rhs_or_phi_arg, propagate_rhs_into_lhs): Likewise.
7787 (eliminate_const_or_copy, eliminate_degenerate_phis_1): Likewise.
7788 (eliminate_degenerate_phis): Likewise.
7789 (pass_phi_only_cprop): New pass descriptor.
7790 * tree-ssa-copy.c (init_copy_prop): Lose PHIS_ONLY argument and
7791 support code. Callers updated.
7792 (execute_copy_prop, do_copy_prop): Likewise and corresponding changes.
7793 (store_copy_prop): Likewise.
7794 (do_phi_only_copy_prop, pass_phi_only_copy_prop): Remove.
7796 2006-03-20 Jason Merrill <jason@redhat.com>
7799 * c-pragma.c (visstack): Move out of handle_pragma_visibility.
7800 (push_visibility, pop_visibility): Likewise.
7801 * c-pragma.h: Declare them.
7803 2006-03-20 Kaz Kojima <kkojima@gcc.gnu.org>
7805 * config/sh/sh.c (untangle_mova): Initialize n_addr and n_target.
7807 * config/sh/sh.c (find_regmode_weight): Change the type of the first
7808 parameter and use get_ebb_head_tail.
7809 (sh_md_init_global): Adjust uses of find_regmode_weight.
7811 2006-03-20 Steven Bosscher <stevenb.gcc@gmail.com>
7813 * function.h (struct function) <x_tail_recursion_reentry>:
7814 Rename to x_stack_check_probe_note.
7815 (tail_recursion_reentry): Rename to stack_check_probe_note.
7816 * function.c: Replace tail_recursion_reentry with
7817 stack_check_probe_note everywhere.
7818 (expand_function_start): Only emit a note for
7819 stack_check_probe_note with -fstack-protect.
7820 * stmt.c (expand_case): Don't emit NOTE_INSN_DELETED notes.
7822 * emit-rtl.c (remove_unnecessary_notes): Remove.
7823 (pass_remove_unnecessary_notes): Remove.
7824 * rtl.h (remove_unnecessary_notes): Remove prototype.
7825 * final.c (final_start_function): Don't call remove_unnecessary_notes.
7826 * tree-pass.h (pass_remove_unnecessary_notes): Remove.
7827 * passes.c (pass_remove_unnecessary_notes): Don't run it.
7829 2006-03-20 Andrew Pinski <pinskia@physics.uc.edu>
7832 * tree-ssa-pre (phi_translate): Handle ARRAY_REF's operands.
7833 (valid_in_set): Handle ARRAY_REF.
7834 Change "if min_variant or VH" to asserts.
7835 (create_component_ref_by_pieces): Handle ARRAY_REF.
7836 (create_expression_by_pieces): Likewise.
7837 (can_PRE_operation): ARRAY_REFs can now be PRE'd.
7839 2006-03-20 David Edelsohn <edelsohn@gnu.org>
7841 * genpreds.c (write_insn_extra_address_constraint): Argument `c'
7842 is operand of switch, not str[0].
7844 2006-03-20 Alan Modra <amodra@bigpond.net.au>
7846 * config/rs6000/rs6000.c (rs6000_handle_option): Use
7847 TARGET_NO_FP_IN_TOC inside #ifdef TARGET_USES_SYSV4_OPT too.
7849 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7851 * genpreds.c (write_tm_preds_h): Add semicolon and newline at
7852 end of insn_extra_address_constraint declaration.
7854 2006-03-19 David Edelsohn <edelsohn@gnu.org>
7856 * config/rs6000/rs6000.opt (no-fp-in-toc): Use Var not Mask.
7857 (no-sum-in-toc): Same.
7858 * config/rs6000/rs6000.c (rs6000_handle_option): Use new
7860 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): Set
7861 NO_FP_IN_TOC for -fPIC instead of mask.
7863 * config/rs6000/t-aix43 (T_ADAFLAGS): Delete.
7864 (BOOT_LDFLAGS): Delete.
7866 * config/rs6000/t-aix52: Same.
7868 * config/rs6000/rs6000.md (store_multiple_power): Delete.
7869 (stmsi[345678]_power): New.
7871 2006-03-17 Steve Ellcey <sje@cup.hp.com>
7873 * config/ia64/ia64.opt: Add empty line to end of file.
7875 2006-03-17 Richard Guenther <rguenther@suse.de>
7878 * builtins.c (get_pointer_alignment): For component style references
7879 adjust alignment to the component type alignment. Make sure
7880 to adjust alignment for component access of constants.
7882 2006-03-17 David Edelsohn <edelsohn@gnu.org>
7884 * config/rs6000/rs6000.md (strlensi): Emit barrier after
7887 2006-03-17 Paul Brook <paul@codesourcery.com>
7889 * doc/install.texi: Docuemnt --with-mode.
7890 * config.gcc: Add --with-mode for arm*-*-*.
7891 * config/arm/arm.h (OPTION_DEFAULT_SPECS): Add "mode".
7893 2006-03-17 J"orn Rennecke <joern.rennecke@st.com>
7895 * sh.c (max_labelno_before_reorg): New variable.
7896 (sh_reorg): Initialize it.
7897 (find_barrier): Check max_labelno_before_reorg before using
7898 label_to_alignment. Take length of explicit alignment insns
7899 into account. When seeing a UNSPECV_CONST_END, return it.
7901 * sh.c (fixup_mova): Set mode of affected label to QImode.
7902 (untangle_mova): New function.
7903 (find_barrier): Use it. Check mode of label before decrementing
7905 (sh_reorg): Likewise.
7906 Set mode of all insns back to VOIDmode.
7908 * sh.c (MOVA_LABELREF): New macro.
7909 (mova_p, fixup_mova, sh_reorg): Use it.
7910 (find_barrier, sh_reorg): Don't count num_mova back to 0 unless
7911 ADDR_DIFF_VEC matches mova.
7913 2006-03-17 Steven Bosscher <stevenb.gcc@gmail.com>
7915 * dwarf2asm.c (dw2_asm_output_offset): Mark 'base' argument
7916 with ATTRIBUTE_UNUSED.
7918 2006-03-17 Alexandre Oliva <aoliva@redhat.com>
7920 * dwarf2out.c (dwarf2out_stack_adjust): Always track the stack
7921 pointer, instead of assuming it is possible to derive the
7922 correct args size from a call insn.
7924 2006-03-16 Jan-Benedict Glaw <jbglaw@lug-owl.de>
7926 * rtl.h (CONST_INT_P): Define.
7927 * config/vax/vax.c (print_operand_address): Use CONST_INT_P()
7928 instead of GET_CODE(x) == CONST_INT.
7929 (vax_rtx_costs): Likewise.
7930 (vax_output_int_move): Likewise.
7931 (vax_output_int_add): Likewise.
7932 (legitimate_constant_address_p): Likewise.
7933 (index_term_p): Likewise.
7934 * config/vax/vax.h (PRINT_OPERAND): Likewise.
7935 * config/vax/vax.md (and<mode>3): Likewise.
7936 (ashrsi3): Likewise.
7938 (movstricthi): Likewise.
7939 (movstrictqi): Likewise.
7940 (rotrsi3): Likewise.
7941 (five unnamed insns): Likewise.
7943 2006-03-16 Geoffrey Keating <geoffk@apple.com>
7945 * doc/tm.texi (SDB and DWARF): Add extra parameter to
7946 ASM_OUTPUT_DWARF_OFFSET. Use @var to indicate metavariables.
7947 * dwarf2asm.h (dw2_asm_output_offset): Add section parameter.
7948 * dwarf2asm.c (dw2_asm_output_offset): Add base section parameter.
7949 Pass to ASM_OUTPUT_DWARF_OFFSET.
7950 * dwarf2out.c (debug_frame_section): New.
7951 (output_call_frame_info): Use debug_frame_section. Pass it to
7952 dw2_asm_output_offset.
7953 (output_die): Pass appropriate section to dw2_asm_output_offset.
7954 (output_compilation_unit_header): Likewise.
7955 (output_pubnames): Likewise.
7956 (output_aranges): Likewise.
7957 (enum dw_val_class): Break dw_val_class_lbl_offset into
7958 dw_val_class_lineptr and dw_val_class_macptr.
7959 (add_AT_lbl_offset): Delete.
7960 (add_AT_lineptr): New.
7961 (add_AT_macptr): New.
7962 (AT_lbl): Expect a lineptr or macptr.
7963 (print_die): Handle dw_val_class_lineptr and dw_val_class_macptr.
7964 (attr_checksum): Likewise.
7965 (same_dw_val_p): Likewise.
7966 (size_of_die): Likewise.
7967 (value_format): Likewise.
7968 (output_die): Likewise.
7969 (dwarf2out_finish): Call add_AT_lineptr and add_AT_macptr instead of
7971 * config/i386/cygming.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7972 * config/i386/i386.c (x86_file_start): Call darwin_file_start.
7973 * config/darwin-protos.h (darwin_file_start): New.
7974 (darwin_asm_output_dwarf_offset): New.
7975 * config/ia64/ia64.h (ASM_OUTPUT_DWARF_OFFSET): Add extra parameter.
7976 * config/rs6000/rs6000.c (rs6000_darwin_file_start): Call
7978 * config/darwin.c (darwin_emit_unwind_label): Don't output label
7979 if not EH section; simplify.
7980 (darwin_file_start): New.
7981 (darwin_asm_output_dwarf_offset): New.
7982 * config/darwin.h (DEBUG_FRAME_SECTION): In __DWARF segment,
7984 (DEBUG_INFO_SECTION): Likewise.
7985 (DEBUG_ABBREV_SECTION): Likewise.
7986 (DEBUG_ARANGES_SECTION): Likewise.
7987 (DEBUG_MACINFO_SECTION): Likewise.
7988 (DEBUG_LINE_SECTION): Likewise.
7989 (DEBUG_LOC_SECTION): Likewise.
7990 (DEBUG_PUBNAMES_SECTION): Likewise.
7991 (DEBUG_STR_SECTION): Likewise.
7992 (DEBUG_RANGES_SECTION): Likewise.
7993 (FRAME_BEGIN_LABEL): Must start with 'L' in debug section.
7994 (ASM_OUTPUT_DWARF_OFFSET): New.
7996 2006-03-16 Joseph S. Myers <joseph@codesourcery.com>
7998 * config.gcc (tm_defines): Always add to previous value rather
8001 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8003 * config/mips/predicates.md (splittable_const_int_operand): New,
8004 split from move_operand.
8005 (splittable_symbolic_operand): New.
8006 (move_operand): Add commentary. Use splittable_const_int_operand.
8007 Inline mips_atomic_symbolic_constant_p.
8008 * config/mips/mips.md: Add combine splitters for handling moves
8009 of splittable_const_int_operands and splittable_symbolic_operands.
8010 * config/mips/mips-protos.h (mips_atomic_symbolic_constant_p): Delete.
8011 (mips_split_symbol): Declare.
8012 (mips_move_integer): Declare.
8013 * config/mips/mips.c (mips_split_p): Make global.
8014 (TARGET_MIN_ANCHOR_OFFSET): Override default.
8015 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
8016 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
8017 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): Likewise.
8018 (mips_offset_within_object_p): Handle block symbols.
8019 (mips_atomic_symbolic_constant_p): Delete.
8020 (mips_cannot_force_const_mem): Return false for constants that
8021 mips_legitimize_move can handle.
8022 (mips_use_blocks_for_constant_p): New function.
8023 (mips_split_symbol): Make global.
8024 (mips_move_integer): Likewise. Add a temporary register argument.
8025 (mips_legitimize_const_move): Use splittable_const_int_operand and
8026 splittable_symbolic_operand.
8027 (mips_use_anchors_for_symbol_p): New function.
8028 * config/mips/mips.h: Protect externs with !USED_FOR_TARGET.
8029 (mips_split_p): Declare.
8031 2006-03-16 Richard Sandiford <richard@codesourcery.com>
8033 * config.gcc (mips64*-*-linux*): Keep existing tm_defines.
8034 (mips*-*-linux*): Likewise.
8036 2006-03-16 Roger Sayle <roger@eyesopen.com>
8037 Daniel Speyer <dspeyer@wam.umd.edu>
8040 * tree-dump.c (dump_real): New function.
8041 (dequeue_and_dump) <REAL_CST>: Use it to dump FP constants.
8042 * Makefile.in (REAL_H): New macro for dependencies on real.h.
8043 (tree-dump.o): Add $(REAL_H) to the dependencies.
8045 2006-03-16 Roger Sayle <roger@eyesopen.com>
8048 * real.c (real_from_string): If the mantissa is zero, don't bother
8049 parsing the exponent as the result should always be zero.
8051 2006-03-16 Andreas Krebbel <krebbel1@de.ibm.com>
8053 * simplify-rtx.c (simplify_plus_minus): Simplify within CONST terms.
8055 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8057 * config/ia64/ia64.c (stops_p): Added explicit initialization.
8058 (ia64_first_cycle_multipass_dfa_lookahead_guard_spec,
8059 ia64_h_i_d_extended, ia64_set_sched_flags, ia64_speculate_insn,
8060 ia64_needs_block_p, ia64_gen_check, ia64_sched_init_global,
8061 ia64_sched_finish_global): New static functions to implement
8062 hooks from gcc_target.sched.
8063 (spec_check_no, max_uid, pending_data_specs): New static variables.
8064 (ia64_mode_to_int, ia64_gen_spec_insn, ia64_spec_check_p,
8065 ia64_spec_check_src_p): New static functions.
8066 (ia64_adjust_cost): Renamed to ia64_adjust_cost_2.
8067 (TARGET_SCHED_ADJUST_COST): Removed.
8068 (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_INIT_GLOBAL,
8069 TARGET_SCHED_FINISH_GLOBAL, TARGET_SCHED_H_I_D_EXTENDED,
8070 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8071 TARGET_SCHED_GEN_CHECK,
8072 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8073 TARGET_SCHED_SET_SCHED_FLAGS): New macros.
8074 (update_set_flags, group_barrier_needed, set_src_needs_barrier):
8075 Fixed to handle speculation checks.
8076 (rtx_needs_barrier): Fixed to handle speculative loads and
8078 (ia64_variable_issue): Added code to count speculative loads and their
8080 (ia64_first_cycle_multipass_dfa_lookahead_guard): Fixed to handle
8082 (enum SPEC_MODES, enum SPEC_GEN_LD_MAP, SPEC_GEN_CHECK_OFFSET):
8084 (SPEC_GEN_EXTEND_OFFSET, SPEC_N, SPEC_GEN_CHECK_MUTATION_OFFSET):
8086 (ia64_ld_address_bypass_p): Fixed to handle speculative loads.
8087 (ia64_reorg): Reset stops_p to NULL after it is freed.
8088 * config/ia64/ia64.md (UNSPEC_LDA, UNSPEC_LDS, UNSPEC_LDSA,
8089 UNSPEC_LDCCLR, UNSPEC_CHKACLR, UNSPEC_CHKS): New constants.
8090 (itanium_class): chk_s renamed to chk_s_i. New constants: chk_s_f,
8092 (data_speculative, control_speculative, check_load): New attributes.
8093 (mov<mode>_advanced, mov<mode>_speculative,
8094 mov<mode>_speculative_advanced, zero_extend<mode>di2_advanced,
8095 zero_extend<mode>di2_speculative,
8096 zero_extend<mode>di2_speculative_advanced): New patterns for
8097 data and control speculative loads.
8098 (mov<mode>_clr, zero_extend<mode>di2_clr): New patterns for
8100 (advanced_load_check_clr_<mode>, speculation_check_<mode>):
8101 New pattern for data and control speculation checks.
8102 (MODE, MODE_FOR_EXTEND, output_a, output_s, output_sa, output_c_clr,
8103 ld_reg_constr, ldc_reg_constr, chk_reg_constr, mem_constr,
8104 reg_pred_prefix, ld_class, chka_class, chks_class, attr_yes):
8105 Auxiliary definitions for the patterns.
8106 * config/ia64/itanium1.md (1_fldc, 1_fldpc, 1_ldc, 1_chk_s_f, 1_chk_a,
8107 1b_fldc, 1b_fldpc, 1b_ldc, 1b_chk_s_f, 1b_chk_a): New resource
8109 (1_fld, 1_fldp, 1_ld, 1b_fld, 1b_fldp, 1b_ld): Add a condition
8111 (1_chk_s, 1b_chk_s): Renamed to 1_chk_s_i, 1b_chk_s_i.
8112 * config/ia64/itanium2.md (2_flda, 2_fldc, 2_fldpc, 2_ldc, 2_chk_s_f,
8113 2_chk_a, 2b_flda, 2b_fldc, 2b_fldpc, 2b_ldc, 2b_chk_s_f, 2b_chk_a):
8114 New resource constraints.
8115 (2_fld, 2_fldp, 2_ld, 2b_fld, 2b_fldp, 2b_ld): Add a condition
8117 (2_chk_s, 2b_chk_s): Renamed to 2_chk_s_i, 2b_chk_s_i.
8118 * config/ia64/ia64.opt (msched-br-data-spec, msched-ar-data-spec,
8119 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8120 msched-in-control-spec, msched-ldc, msched-control-ldc,
8121 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8122 msched-prefer-non-control-spec-insns,
8123 msched-count-spec-in-critical-path): New flags to tune speculative
8125 * doc/invoke.texi (msched-br-data-spec, msched-ar-data-spec,
8126 msched-control-spec, msched-br-in-data-spec, msched-ar-in-data-spec,
8127 msched-in-control-spec, msched-ldc, msched-control-ldc,
8128 msched-spec-verbose, msched-prefer-non-data-spec-insns,
8129 msched-prefer-non-control-spec-insns,
8130 msched-count-spec-in-critical-path): Document new flags.
8132 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8134 * target.h (struct spec_info_def): New opaque declaration.
8135 (struct gcc_target.sched): New fields: adjust_cost_2, h_i_d_extended,
8136 speculate_insn, needs_block_p, gen_check,
8137 first_cycle_multipass_dfa_lookahead_guard_spec, set_sched_flags.
8138 * target-def.h (TARGET_SCHED_ADJUST_COST_2,
8139 TARGET_SCHED_H_I_D_EXTENDED, TARGET_SCHED_SPECULATE_INSN,
8140 TARGET_SCHED_NEEDS_BLOCK_P, TARGET_SCHED_GEN_CHECK,
8141 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8142 TARGET_SCHED_SET_SCHED_FLAGS): New macros to initialize fields in
8144 (TARGET_SCHED): Use new macros.
8145 * rtl.h (copy_DEPS_LIST_list): New prototype.
8146 * sched-int.h (struct sched_info): Change signature of new_ready field,
8147 adjust all initializations. New fields: add_remove_insn,
8148 begin_schedule_ready, add_block, advance_target_bb, fix_recovery_cfg,
8149 region_head_or_leaf_p.
8150 (struct spec_info_def): New structure declaration.
8151 (spec_info_t): New typedef.
8152 (struct haifa_insn_data): New fields: todo_spec, done_spec, check_spec,
8153 recovery_block, orig_pat.
8154 (glat_start, glat_end): New variables declaraions.
8155 (TODO_SPEC, DONE_SPEC, CHECK_SPEC, RECOVERY_BLOCK, ORIG_PAT):
8157 (enum SCHED_FLAGS): New constants: SCHED_RGN, SCHED_EBB,
8158 DETACH_LIFE_INFO, USE_GLAT.
8159 (enum SPEC_SCHED_FLAGS): New enumeration.
8160 (NOTE_NOTE_BB_P): New macro.
8161 (extend_dependency_caches, xrecalloc, unlink_bb_notes, add_block,
8162 attach_life_info, debug_spec_status, check_reg_live): New functions.
8163 (get_block_head_tail): Change signature to get_ebb_head_tail, adjust
8164 all uses in ddg.c, modulo-sched.c, haifa-sched.c, sched-rgn.c,
8166 (get_dep_weak, ds_merge): Prototype functions from sched-deps.c .
8167 * ddg.c (get_block_head_tail): Adjust all uses.
8168 * modulo-sched.c (get_block_head_tail): Adjust all uses.
8169 (sms_sched_info): Initialize new fields.
8170 (contributes_to_priority): Removed.
8171 * haifa-sched.c (params.h): New include.
8172 (get_block_head_tail): Adjust all uses.
8173 (ISSUE_POINTS): New macro.
8174 (glat_start, glat_end): New global variables.
8175 (spec_info_var, spec_info, added_recovery_block_p, nr_begin_data,
8176 nr_be_in_data, nr_begin_control, nr_be_in_control, bb_header,
8177 old_last_basic_block, before_recovery, current_sched_info_var,
8178 rgn_n_insns, luid): New static variables.
8179 (insn_cost1): New function. Move logic from insn_cost to here.
8180 (find_insn_reg_weight1): New function. Move logic from
8181 find_insn_reg_weight to here.
8182 (reemit_notes, move_insn, max_issue): Change signature.
8183 (move_insn1): Removed.
8184 (extend_h_i_d, extend_ready, extend_global, extend_all, init_h_i_d,
8185 extend_bb): New static functions to support extension of scheduler's
8187 (generate_recovery_code, process_insn_depend_be_in_spec,
8188 begin_speculative_block, add_to_speculative_block,
8189 init_before_recovery, create_recovery_block, create_check_block_twin,
8190 fix_recovery_deps): New static functions to support
8191 generation of recovery code.
8192 (fix_jump_move, find_fallthru_edge, dump_new_block_header,
8193 restore_bb_notes, move_block_after_check, move_succs): New static
8194 functions to support ebb scheduling.
8195 (init_glat, init_glat1, attach_life_info1, free_glat): New static
8196 functions to support handling of register live information.
8197 (associate_line_notes_with_blocks, change_pattern, speculate_insn,
8198 sched_remove_insn, clear_priorities, calc_priorities, bb_note,
8199 add_jump_dependencies): New static functions.
8200 (check_cfg, has_edge_p, check_sched_flags): New static functions for
8201 consistancy checking.
8202 (debug_spec_status): New function to call from debugger.
8203 (priority): Added code to handle speculation checks.
8204 (rank_for_schedule): Added code to distinguish speculative instructions.
8205 (schedule_insn): Added code to handle speculation checks.
8206 (unlink_other_notes, rm_line_notes, restore_line_notes, rm_other_notes):
8207 Fixed to handle ebbs.
8208 (move_insn): Added code to handle ebb scheduling.
8209 (max_issue): Added code to use ISSUE_POINTS of instructions.
8210 (choose_ready): Added code to choose between speculative and
8211 non-speculative instructions.
8212 (schedule_block): Added code to handle ebb scheduling and scheduling of
8213 speculative instructions.
8214 (sched_init): Initialize new variables.
8215 (sched_finish): Free new variables. Print statistics.
8216 (try_ready): Added code to handle speculative instructions.
8217 * lists.c (copy_DEPS_LIST_list): New function.
8218 * sched-deps.c (extend_dependency_caches): New function. Move logic
8219 from create_dependency_caches to here.
8220 (get_dep_weak, ds_merge): Make global.
8221 * genattr.c (main): Code to output prototype for
8222 dfa_clear_single_insn_cache.
8223 * genautomata.c (DFA_CLEAR_SINGLE_INSN_CACHE_FUNC_NAME): New macros.
8224 (output_dfa_clean_insn_cache_func): Code to output
8225 dfa_clear_single_insn_cache function.
8226 * sched-ebb.c (target_n_insns): Remove. Adjust all users to use
8228 (can_schedule_ready_p, fix_basic_block_boundaries, add_missing_bbs):
8230 (n_insns, dont_calc_deps, ebb_head, ebb_tail, last_bb):
8231 New static variables.
8232 (begin_schedule_ready, add_remove_insn, add_block1, advance_target_bb,
8233 fix_recovery_cfg, ebb_head_or_leaf_p): Implement hooks from
8235 (ebb_sched_info): Initialize new fields.
8236 (get_block_head_tail): Adjust all uses.
8237 (compute_jump_reg_dependencies): Fixed to use glat_start.
8238 (schedule_ebb): Code to remove unreachable last block.
8239 (schedule_ebbs): Added code to update register live information.
8240 * sched-rgn.c (region_sched_info): Initialize new fields.
8241 (get_block_head_tail): Adjust all uses.
8242 (last_was_jump): Removed. Adjust users.
8243 (begin_schedule_ready, add_remove_insn, insn_points, extend_regions,
8244 add_block1, fix_recovery_cfg, advance_target_bb, region_head_or_leaf_p):
8245 Implement new hooks.
8246 (check_dead_notes1): New static function.
8247 (struct region): New fields: dont_calc_deps, has_real_ebb.
8248 (RGN_DONT_CALC_DEPS, RGN_HAS_REAL_EBB): New access macros.
8249 (BB_TO_BLOCK): Fixed to handle EBBs.
8250 (EBB_FIRST_BB, EBB_LAST_BB): New macros.
8251 (ebb_head): New static variable.
8252 (debug_regions, contributes_to_priority): Fixed to handle EBBs.
8253 (find_single_block_regions, find_rgns, find_more_rgns): Initialize
8255 (compute_dom_prob_ps): New assertion.
8256 (check_live_1, update_live_1): Fixed to work with glat_start instead of
8257 global_live_at_start.
8258 (init_ready_list): New assertions.
8259 (can_schedule_ready_p): Split update code to begin_schedule_ready.
8260 (new_ready): Add support for BEGIN_CONTROL speculation.
8261 (schedule_insns): Fixed code that updates register live information
8263 (schedule_region): Fixed to handle EBBs.
8264 (init_regions): Use extend_regions and check_dead_notes1.
8265 * params.def (PARAM_MAX_SCHED_INSN_CONFLICT_DELAY,
8266 PARAM_SCHED_SPEC_PROB_CUTOFF): New parameters.
8267 * doc/tm.texi (TARGET_SCHED_ADJUST_COST_2, TARGET_SCHED_H_I_D_EXTENDED,
8268 TARGET_SCHED_SPECULATE_INSN, TARGET_SCHED_NEEDS_BLOCK_P,
8269 TARGET_SCHED_GEN_CHECK,
8270 TARGET_SCHED_FIRST_CYCLE_MULTIPASS_DFA_LOOKAHEAD_GUARD_SPEC,
8271 TARGET_SCHED_SET_SCHED_FLAGS): Document.
8272 * doc/invoke.texi (max-sched-insn-conflict-delay,
8273 sched-spec-prob-cutoff): Document.
8275 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8277 * sched-int.h (struct haifa_insn_data): New fields: resolved_deps,
8278 inter_tick, queue_index.
8279 (struct sched_info): Change signature of init_ready_list field.
8280 Adjust all initializations.
8281 (RESOLVED_DEPS): New access macro.
8282 (ready_add): Remove prototype.
8283 (try_ready): Add prototype.
8284 * sched-rgn.c (init_ready_list): Use try_ready.
8285 (schedule_region): Initialize
8286 current_sched_info->{sched_max_insns_priority, queue_must_finish_empty}.
8287 * sched-ebb.c (new_ready): Remove. Adjust ebb_sched_info.
8288 (init_ready_list): Use try_ready.
8289 (schedule_ebb): Initialize current_sched_info->sched_max_insns_priority.
8290 * lists.c (remove_list_elem): Remove `static'.
8291 (remove_free_INSN_LIST_elem): New function.
8292 * rtl.h (remove_list_elem, remove_free_INSN_LIST_elem): Add prototypes.
8293 * haifa-sched.c (INTER_TICK, QUEUE_INDEX): New macros.
8294 (INVALID_TICK, MIN_TICK, QUEUE_SCHEDULED, QUEUE_NOWHERE, QUEUE_READY):
8296 (readyp): New variable.
8297 (queue_remove, ready_remove_insn, fix_inter_tick, fix_tick_ready,
8298 change_queue_index, resolve_dep): New static functions.
8299 (try_ready): New function. Adjust callers in sched-rgn.c and
8300 sched-ebb.c to use it instead of ready_add.
8301 (clock_var): Move at the begining of file.
8302 (rank_for_schedule): Fix typo.
8303 (queue_insn): Add assertion. Handle QUEUE_INDEX.
8304 (ready_lastpos): Enforce assertion.
8305 (ready_add): Make it static. Handle QUEUE_INDEX. Add new argument,
8307 (ready_remove_first, ready_remove): Handle QUEUE_INDEX.
8308 (schedule_insn): Rewrite to use try_ready and resolve_dep.
8309 (queue_to_ready): Use free_INSN_LIST_list.
8310 (early_queue_to_ready): Fix typo.
8311 (schedule_block): Init readyp. Move init_ready_list call after the
8312 initialization of clock_var. Fix error in rejecting insn by
8313 targetm.sched.dfa_new_cycle. Add call to fix_inter_tick. Remove code
8314 that previously corrected INSN_TICKs. Add code for handling
8316 (set_priorities): Fix typo.
8317 (sched_init): Initialize INSN_TICK, INTER_TICK and QUEUE_INDEX.
8318 Clarify comment and code that keeps current_sched_info->next_tail
8321 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8323 * sched-rgn.c (extend_rgns): New static function.
8324 (find_rgns): Use it.
8325 (gather_region_statistics, print_region_statistics): New static
8327 * params.def (PARAM_MAX_SCHED_EXTEND_REGIONS_ITERS): New parameter.
8328 * doc/invoke.texi (max-sched-extend-regions-iters): Document.
8330 2006-03-16 Maxim Kuvyrkov <mkuvyrkov@ispras.ru>
8331 Andrey Belevantsev <abel@ispras.ru>
8333 * ddg.c (build_intra_loop_deps): Adjust add_forward_dependence call.
8334 * lists.c (unused_deps_list): New variable.
8335 (free_list): Add assertions to verify the proper distinguishing
8336 between INSN_LISTs and DEPS_LISTs.
8337 (find_list_elem, remove_list_elem, remove_list_node): New static
8339 (alloc_DEPS_LIST, free_DEPS_LIST, free_DEPS_LIST_node,
8340 remove_free_INSN_LIST_elem, remove_free_DEPS_LIST_elem,
8341 remove_free_INSN_LIST_node, remove_free_DEPS_LIST_node): New functions.
8342 (alloc_INSN_LIST): Assert that the list we're working on is indeed
8344 (free_INSN_LIST_node): Likewise.
8345 * modulo-sched.c (current_sched_info): Initialize flags field.
8346 * reg-notes.def: Exchange DEP_ANTI and DEP_OUTPUT.
8347 * rtl.def (DEPS_LIST): Define.
8348 * rtl.h: Declare new functions from lists.c.
8349 * sched-deps.c (spec_dependency_cache): New static variable.
8350 (maybe_add_or_update_back_dep_1, add_back_dep): New static functions.
8351 (add_dependence): Change return type to void. Move the logic to ...
8352 (add_or_update_back_dep_1): ... here. Handle speculative dependencies.
8353 (delete_all_dependences): Add comment about forward_dependency_cache.
8354 Handle spec_dependency_cache. Handle DEPS_LISTs.
8355 (fixup_sched_groups): Clarify the change of priority of output
8356 and anti dependencies.
8357 (sched_analyze_2): Adjust add_dependence calls to create data
8358 speculative dependence.
8359 (add_forward_dependence): Renamed to add_forw_dep, change prototype.
8360 Adjust all callers. Handle DEPS_LISTS.
8361 (compute_forward_dependences): Use add_forw_dep. Sort LOG_LINKs in
8362 presence of speculation.
8363 (init_dependency_caches, free_dependency_caches):
8364 Handle spec_dependency_cache.
8365 (adjust_add_sorted_back_dep, adjust_back_add_forw_dep, delete_forw_dep,
8366 estimate_dep_weak, get_dep_weak, ds_merge, check_dep_status):
8367 New static functions.
8368 (add_or_update_back_dep, add_or_update_back_forw_dep,
8369 add_back_forw_dep, delete_back_forw_dep): New functions.
8370 * sched-int.h (ds_t, dw_t): New typedefs.
8371 (struct sched_info): Add new field flags.
8372 (struct haifa_insn_data): Add new bitfield has_internal_dep.
8373 Prototype new sched-deps.c functions.
8374 (HAS_INTERNAL_DEP, DEP_STATUS): New access macros.
8375 (BITS_PER_DEP_STATUS, BITS_PER_DEP_WEAK, DEP_WEAK_MASK, MAX_DEP_WEAK,
8376 MIN_DEP_WEAK, NO_DEP_WEAK, UNCERTAIN_DEP_WEAK, BEGIN_DATA, BE_IN_DATA,
8377 BEGIN_CONTROL, BE_IN_CONTROL, BEGIN_SPEC, DATA_SPEC, CONTROL_SPEC,
8378 SPECULATIVE, BE_IN_SPEC, FIRST_SPEC_TYPE, LAST_SPEC_TYPE,
8379 SPEC_TYPE_SHIFT, DEP_TRUE, DEP_OUTPUT, DEP_ANTI, DEP_TYPES, HARD_DEP):
8381 (enum SPEC_TYPES_OFFSETS, enum DEPS_ADJUST_RESULT, enum SCHED_FLAGS):
8383 * sched-rgn.c (current_sched_info): Initialize flags field.
8384 (schedule_insns): Initialize current_sched_info before the sched_init
8386 * sched-ebb.c (current_sched_info): Initialize flags field.
8387 (add_deps_for_risky_insns): Use control_flow_insn_p instead of JUMP_P.
8388 Call add_or_update_back_dep instead of add_dependence.
8389 Create control speculative dependencies.
8390 (schedule_insns): Initialize current_sched_info before the sched_init
8393 2006-03-16 Kaz Kojima <kkojima@gcc.gnu.org>
8395 * config/sh/linux-unwind.h (shmedia_fallback_frame_state): Set
8397 (sh_fallback_frame_state): Likewise.
8399 2006-03-15 Geoffrey Keating <geoffk@apple.com>
8401 * config.gcc (*-*-darwin*): Don't build crt2.o for all Darwin ports.
8402 Do switch on default_use_cxa_atexit.
8403 (powerpc*-*-darwin*): Build crt2.o on powerpc.
8404 * config/darwin-crt3.o: New.
8405 * config/darwin.h (LINK_SPEC): If -shared-libgcc, make linker default
8406 to 10.3. Pass '-multiply_defined suppress' if crt3.o is in use.
8407 (STARTFILE_SPEC): Add crt3.o when -shared-libgcc and appropriate
8409 * config/rs6000/t-darwin: Move crt2.o building to here.
8410 * config/rs6000/darwin.h (C_COMMON_OVERRIDE_OPTIONS): Update
8411 Mac OS version for using __cxa_get_exception_ptr. Don't test versions
8414 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8416 * config/vax/vax.c (nonindexed_address_p): Change logical negation
8417 from '! xxx' to '!xxx' for coding-style conformance.
8418 * config/vax/vax.h (PCC_BITFIELD_TYPE_MATTERS): Likewise.
8419 (EXTRA_CONSTRAINT): Likewise.
8420 * config/vax/vax.md (four unnamed insns): Likewise.
8422 2006-03-15 Paul Brook <paul@codesourcery.com>
8424 * config/arm/arm.c (minipool_pad): New.
8425 (add_minipool_forward_ref): Include pool alignment padding in address
8427 (push_minipool_fix): Set minipool_pad.
8428 (minipool_pad): Ditto.
8430 2006-03-15 Jan-Benedict Glaw <jbglaw@lug-owl.de>
8432 * config/vax/vax.c (split_quadword_operands): Use MEM_P()
8433 instead of GET_CODE() == MEM and REG_P() instead of
8435 (print_operand_address): Likewise.
8436 (vax_address_cost): Likewise.
8437 (vax_rtx_costs): Likewise.
8438 (vax_notice_update_cc): Likewise.
8439 (vax_output_int_add): Likewise.
8440 (INDEX_REGISTER_P): Likewise.
8441 (BASE_REGISTER_P): Likewise.
8442 (nonindexed_address_p): Likewise.
8443 (vax_mode_dependent_address_p): Likewise.
8444 * config/vax/vax.h (EXTRA_CONSTRAINT): Likewise.
8445 (PRINT_OPERAND): Likewise.
8446 * config/vax/vax.md (ashlsi3): Likewise.
8447 (ashlsi3): Likewise.
8448 (some more unnamed insns): Likewise.
8450 2006-03-15 Kazu Hirata <kazu@codesourcery.com>
8452 * tree-ssa-dce.c (EXECUTE_IF_CONTROL_DEPENDENT): Make it an
8453 iterator-style macro.
8454 (mark_control_dependent_edges_necessary): Update the use of
8455 EXECUTE_IF_CONTROL_DEPENDENT.
8457 2006-03-15 J"orn Rennecke <joern.rennecke@st.com>
8459 * config/sh/predicates.md (cache_address_operand): Special.
8460 (ua_address_operand): Likewise.
8462 2006-03-15 Zdenek Dvorak <dvorakz@suse.cz>
8464 * haifa-sched.c (unlink_other_notes, reemit_notes): Do not handle
8466 * sched-deps.c (sched_analyze_insn, sched_analyze): Ditto.
8468 2006-03-15 Andreas Schwab <schwab@suse.de>
8470 * gensupport.c (identify_predicable_attribute): Don't free p_false
8471 when it is still in use.
8473 2006-03-15 Eric Botcazou <ebotcazou@libertysurf.fr>
8475 * config.gcc (default with_cpu setting) <sparc*-*-*>: Do not modify
8476 the default setting here.
8478 2006-03-14 Steven Bosscher <stevenb.gcc@gmail.com>
8480 * tree-pass.h (pass_cfg): Remove.
8481 * alias.c (rest_of_handle_cfg, pass_cfg): Remove.
8482 * passes.c (pass_cfg): Don't run it.
8484 2006-03-14 Kazu Hirata <kazu@codesourcery.com>
8486 * Makefile.in (reg-stack.o): Don't depend on gt-reg-stack.h.
8487 * reg-stack.c (stack_regs_mentioned_data): Change the type to
8489 (stack_regs_mentioned): Update the uses of
8490 stack_regs_mentioned_data. Don't access the array beyond its
8492 (reg_to_stack): Update the uses of stack_regs_mentioned_data.
8493 Don't include gt-reg-stack.h.
8495 * config/bfin/bfin.h (UNALIGNED_WORD_ASM_OP): Remove.
8496 * system.h (UNALIGNED_WORD_ASM_OP): Poison.
8498 * combine.c (UWIDE_SHIFT_LEFT_BY_BITS_PER_WORD): Remove.
8501 * reg-stack.c (stack_regs_mentioned_data): Put it undef #ifdef
8504 2006-03-14 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8506 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Fix typo.
8508 2006-03-14 Richard Guenther <rguenther@suse.de>
8510 PR tree-optimization/26672
8511 * tree-ssa-propagate.c (set_rhs): Don't walk DEFs if not in
8514 2006-03-14 Richard Guenther <rguenther@suse.de>
8516 PR tree-optimization/26667
8517 * ipa-inline.c (cgraph_check_inline_limits): Walk the correct
8518 node for the callees. Always allow inlining if it will shrink
8521 2006-03-14 Richard Guenther <rguenther@suse.de>
8524 * builtins.c (get_pointer_alignment): Prefer alignment
8525 information from decls over that from types.
8527 2006-03-14 Andrew Pinski <pinskia@physics.uc.edu>
8530 * config/darwin.h (LINK_COMMAND_SPEC): Handle -fopenmp.
8532 2006-03-14 Joseph S. Myers <joseph@codesourcery.com>
8534 * config/rs6000/rs6000.opt (mdlmzb): New option.
8535 (msched-prolog, msched-epilog): Use Var not Mask.
8536 * doc/invoke.texi (-mdlmzb): Document.
8537 * config/rs6000/rs6000.c (TARGET_DEFAULT_TARGET_FLAGS): Remove
8539 (rs6000_override_options): Enable -mdlmzb for 405 and 440.
8540 * config/rs6000/rs6000.md: Add dlmzb support for 405 and 440.
8542 2006-03-13 Uttam Pawar <uttamp@us.ibm.com>
8544 PR rtl-optimization/25739
8545 * bt-load.c (augment_live_range): Free tos pointer.
8547 * gensupport.c (identify_predicable_attribute): Free
8549 * gcov.c (create_file_names): Free name pointer.
8551 2006-03-13 Roger Sayle <roger@eyesopen.com>
8554 * stmt.c (emit_case_nodes): Handle the case where the index is a
8555 CONST_INT, where the comparison mode is specified by the index type.
8557 2006-03-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
8559 * pa/pa32-linux.h (CRT_CALL_STATIC_FUNCTION): Define when CRTSTUFFS_O
8562 2006-03-13 Richard Sandiford <richard@codesourcery.com>
8564 * config/mips/mips.md (*branch_fp): Use %Z2 for the condition.
8565 (*branch_fp_inverted): Likewise.
8567 2006-03-13 Jakub Jelinek <jakub@redhat.com>
8570 * omp-low.c (expand_omp_for_generic): Mark istart0
8571 and iend0 as addressable.
8573 2006-03-13 Jie Zhang <jie.zhang@analog.com>
8575 * config/bfin/uclinux.h: Define _GNU_SOURCE in CPLUSPLUS_CPP_SPEC.
8577 2006-03-13 Jeff Law <law@redhat.com>
8579 * tree-vrp.c (stmt_interesting_for_vrp): Some statements with
8580 virtual operands are interesting.
8581 (vrp_visit_stmt): Corresponding changes.
8583 2006-03-13 Bernd Schmidt <bernd.schmidt@analog.com>
8585 * config/bfin/lib1funcs.asm (___umodsi3): Use stack to save contents
8587 * config/bfin/bfin.h (TARGET_CPU_CPP_BUILTINS): If
8588 TARGET_ID_SHARED_LIBRARY, define __ID_SHARED_LIB__.
8589 * config/bfin/crti.S: Use it instead of __PIC__.
8590 * config/bfin/crtn.S: Likewise.
8592 * config/bfin/bfin.md (call_value_symbol, sibcall_value_symbol,
8593 call_symbol, sibcall_symbol): Disallow if TARGET_ID_SHARED_LIBRARY,
8595 Lose 'G' modifier for call operand.
8596 * config/bfin/bfin.c (print_operand) <case SYMBOL_REF>: Don't
8597 recognize 'G' modifier.
8599 2006-03-13 Eric Botcazou <ebotcazou@adacore.com>
8602 * gimplify.c (gimplify_switch_expr): Discard empty ranges.
8603 * stmt.c (expand_case): Likewise.
8605 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8607 PR rtl-optimization/26254
8608 * loop-invariant.c (seq_insns_valid_p): New function.
8609 (move_invariant_reg): Only emit new code if it is valid.
8611 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8613 * cfgrtl.c (last_loop_beg_note, back_edge_of_syntactic_loop_p):
8615 (force_nonfallthru_and_redirect): Do not use last_loop_beg_note.
8616 (rtl_split_edge): Do not use back_edge_of_syntactic_loop_p.
8617 (commit_one_edge_insertion): Do not look for loop notes.
8619 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8621 * jump.c (follow_jumps): Do not check for loop notes. Move check for
8622 flag_test_coverage out of loop.
8624 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8626 * final.c (shorten_branches): Remove outdated comment, and turn
8627 the if branch that guards it to continue.
8629 2006-03-13 Zdenek Dvorak <dvorakz@suse.cz>
8631 * cfgloop.c (flow_loop_dump): Do not dump loop->invalid field.
8632 * cfgloop.h (struct loop): Remove unused fields.
8634 2006-03-13 Kazu Hirata <kazu@codesourcery.com>
8636 * doc/invoke.texi (-fdump-rtl-loop): Remove.
8637 (-dL, -fdump-rtl-loop2): Update the dump file names
8639 * doc/invoke.texi: Update dump file names.
8641 2006-03-12 Steven Bosscher <stevenb.gcc@gmail.com>
8643 * predict.c (estimate_probability): Remove.
8644 * profile.c (rest_of_handle_branch_prob, pass_branch_prob): Remove.
8645 * basic-block.h (estimate_probability): Remove prototype.
8646 * passes.c (finish_optimization_passes): Dump branch prediction or
8647 profiling heuristics to the .profile tree dump.
8648 (init_optimization_passes): Unqueue pass_branch_prob.
8650 * doc/invoke.texi (-fdump-rtl-bp): Remove.
8652 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8654 * rtl.def (LABEL_REF): Remove the field for LABEL_NEXTREF.
8655 * rtl.h (LABEL_NEXTREF): Remove field accessor.
8657 2006-03-11 Eric Botcazou <ebotcazou@adacore.com>
8659 * function.h (frame_offset_overflow): Declare.
8660 * function.c (frame_offset_overflow): New function.
8661 (assign_stack_local_1): Call it to detect that the offset overflows.
8662 * cfgexpand.c (alloc_stack_frame_space): Likewise.
8664 2006-03-11 Steven Bosscher <stevenb.gcc@gmail.com>
8666 * config/sh/sh.c: Include alloc-pool.h.
8667 (label_ref_list_pool): New alloc pool.
8668 (label_ref_list_t): New type for lists of labels.
8669 (struct pool_node): Make wend a label_ref_list_t.
8670 (add_constant): Use the new type, eradicate LABEL_NEXTREF
8672 (dump_table): Likewise.
8673 (sh_reorg): Set up the alloc pool before using add_constant and
8674 dump_table, and destroy it when finishing.
8676 2006-03-11 Richard Sandiford <richard@codesourcery.com>
8678 * config/mips/mips.c: Remove redundant comment.
8680 2006-03-10 Jason Merrill <jason@redhat.com>
8683 * gimplify.c (gimplify_modify_expr_rhs): Don't do return slot opt if
8684 the target was declared 'register'.
8686 2006-03-10 Adam Nemet <anemet@caviumnetworks.com>
8688 * genpreds.c (write_insn_constraint_len): Change definition of
8689 insn_constraint_len to return size_t to match the declaration.
8691 2006-03-10 DJ Delorie <dj@redhat.com>
8693 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Bit numbers
8695 (m32c_expand_insv): Fix test for an AND mask.
8697 2006-03-10 Richard Guenther <rguenther@suse.de>
8700 * builtins.c (get_pointer_alignment): Handle component
8701 references for field alignment.
8703 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8705 * config.gcc (sh*-superh-elf, sh*elf (newlib)): Use newlib.h
8706 when building with libgloss.
8707 (sh*elf): Implement --without-fp option.
8708 (sh64-superh-linux*): Don't multilib.
8710 2006-03-10 J"orn Rennecke <joern.rennecke@st.com>
8712 * struct-equiv.c (rtx_equiv_p): Fix POST_MODIFY case.
8714 2006-03-09 Andrew Pinski <pinskia@physics.uc.edu>
8716 * tree-ssa-phiopt.c (tree_ssa_phiopt): Add cfgchanged variable.
8717 Set it when one of the replacement functions returned true.
8718 Return TODO_cleanup_cfg if cfgchanged is true.
8719 (pass_phiopt) <todo_flags_finish>: Remove TODO_cleanup_cfg.
8721 2006-03-09 Adam Nemet <anemet@caviumnetworks.com>
8723 * combine.c (simplify_shift_const_1): Use gen_lowpart_or_truncate
8724 instead of gen_lowpart.
8726 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8728 * config/mips/mips-protos.h (mips_output_conditional_branch): Change
8730 (mips_output_order_conditional_branch): Declare.
8731 * config/mips/mips.h (MIPS_BRANCH): New macro.
8732 * config/mips/mips.c (gen_conditional_branch): Use VOIDmode
8733 for the comparison. Use gen_condjump.
8734 (mips_output_conditional_branch): Rework interface to take the
8735 asm templates for a direct branch and the inverse of a direct branch.
8736 (mips_output_order_conditional_branch): New function.
8737 (mips_builtin_branch_and_move): New function.
8738 (mips_expand_builtin_compare): Use it. Use VOIDmode for the
8739 branch condition. Use gen_single_cc as the condition for
8740 __builtin_mips_upper_* or __builtin_mips_lower_*.
8741 (mips_expand_builtin_bposge): Use mips_builtin_branch_and_move.
8742 Use VOIDmode for the branch condition.
8743 * config/mips/predicates.md (order_operator): New predicate.
8744 * config/mips/mips.md (UNSPEC_SINGLE_CC): New constant.
8745 (branch_fp): Rename to...
8746 (*branch_fp): ...this. Remove mode from comparison operator.
8747 Use new mips_output_conditional_branch interface.
8748 (branch_fp_inverted): Rename to...
8749 (*branch_fp_inverted): ...this and update as for *branch_fp.
8750 (*branch_zero<mode>): Rename to...
8751 (*branch_order<mode>): ...this. Remove mode from comparison operator.
8752 Use mips_output_order_conditional_branch. Only accept ordered
8754 (*branch_zero<mode>_inverted): Rename to...
8755 (*branch_order<mode>_inverted): ...this and update as for
8756 *branch_order<mode>.
8757 (*branch_equality<mode>): Accept zero as the second operand to
8758 the equality operator. Use the new mips_output_conditional_branch
8760 (*branch_equality<mode>_inverted): Likewise.
8761 (condjump): New expander.
8762 * config/mips/mips-dsp.md (mips_bposge): Remove mode from comparison
8764 * config/mips/mips-ps-3d.md (bc1any4t, bc1any4f): Likewise.
8765 (bc1any2t, bc1any2f): Likewise.
8766 (single_cc): New expander.
8767 (*branch_upper_lower, *branch_upper_lower_inverted): New patterns.
8769 2006-03-09 Richard Sandiford <richard@codesourcery.com>
8771 * doc/md.texi: Update documentation of MIPS constraints.
8772 * config/mips/constraints.md: New file.
8773 * config/mips/mips.md: Include it.
8774 * config/mips/mips.c (mips_char_to_class): Delete.
8775 (override_options): Don't initialize mips_char_to_class.
8776 * config/mips/mips.h (mips_char_to_class): Delete.
8777 (REG_CLASS_FROM_LETTER): Delete.
8778 (CONST_OK_FOR_LETTER_P): Delete.
8779 (CONST_DOUBLE_OK_FOR_LETTER_P): Delete.
8780 (EXTRA_CONSTRAINT_Y): Delete.
8781 (EXTRA_CONSTRAINT_STR): Delete.
8782 (CONSTRAINT_LEN): Delete.
8783 (EXTRA_MEMORY_CONSTRAINT): Delete.
8785 2006-03-09 Diego Novillo <dnovillo@redhat.com>
8787 * tree-cfg.c (move_block_to_fn): Remove the statements from the
8788 original fn's eh regions.
8790 2006-03-09 Eric Botcazou <ebotcazou@adacore.com>
8792 * fold-const.c (build_range_check): Make sure to use a valid type to
8793 apply the "(c>=low) && (c<=high) into (c-low>=0) && (c-low<=high-low)"
8796 (range_predecessor): New static function.
8797 (range_successor): Likewise.
8798 (merge_ranges): Use them to compute predecessors and successors of
8801 2006-03-09 Roger Sayle <roger@eyesopen.com>
8804 * fold-const.c (fold_div_compare): When optimizing X/C1 op C2 as
8805 X op C3, consider whether C3 overflows towards +Inf or -Inf.
8807 2006-03-08 DJ Delorie <dj@redhat.com>
8809 * config/m32c/addsub.md (addqi3): Disparage a0/a1.
8810 (addpsi3): Expand to include memory operands. Remove
8811 reload-specific splits.
8812 * config/m32c/bitops.md (bset_qi, bset_hi, bclr_qi): New.
8813 (andqi3_16, andhi3_16, iorqi3_16, iorhi3_16): New.
8814 (andqi3_24, andhi3_24, iorqi3_24, iorhi3_24): New.
8815 (andqi3, andhi3, iorqi3, iorhi3): Convert to expanders.
8816 (shift1_qi, shift1_hi, insv): New.
8817 * config/m32c/cond.md (cbranchqi4, cbranchhi4): Remove.
8818 (cbranch<mode>4, stzx_16, stzx_24_<mode>, stzx_reversed,
8819 cmp<mode>, b<code>, s<code>, s<code>_24, movqicc, movhicc,
8821 * config/m32c/m32c-protos.h: Update as needed.
8822 * config/m32c/m32c.c (m32c_reg_class_from_constraint): Don't
8823 default the Rcr, Rcl, Raw, and Ral constraints. Add Ra0 and Ra1.
8824 Fail for unrecognized R* constraints.
8825 (m32c_cannot_change_mode_class): Be more picky about pseudos.
8826 (m32c_const_ok_for_constraint_p): Add Imb, Imw, and I00.
8827 (m32c_extra_constraint_p2): Allow (mem (plus (plus fb int) int)).
8829 (m32c_init_libfuncs): New.
8830 (m32c_legitimate_address_p): Add debug wrapper.
8831 (m32c_rtx_costs): New.
8832 (m32c_address_cost): New.
8833 (conversions): Add 'B' prefix.
8834 (m32c_print_operand): 'h' and 'H' pick lower and upper halves of
8835 operands, or word regnames for QI operands. 'B' prints bit
8837 (m32c_expand_setmemhi): New.
8838 (m32c_expand_movmemhi): New.
8839 (m32c_expand_movstr): New.
8840 (m32c_expand_cmpstr): New.
8841 (m32c_prepare_shift): Shift counts are limited to 16 bits at a time.
8842 (m32c_expand_neg_mulpsi3): Handle non-ints.
8843 (m32c_cmp_flg_0): New.
8844 (m32c_expand_movcc): New.
8845 (m32c_expand_insv): New.
8846 (m32c_scc_pattern): New.
8847 * config/m32c/m32c.h (reg classes): Add AO_REGS and A1_REGS. Take
8848 a0/a1 out of SIregs.
8849 (STORE_FLAG_VALUE): New.
8850 * config/m32c/m32c.md: Add unspecs for string moves. Define various mode and
8853 * config/m32c/mov.md: Make constraints more liberal.
8854 (zero_extendqihi2): Optimize r0/r1 case.
8855 * config/m32c/muldiv.md (mulpsi3): Check for intvals.
8856 * config/m32c/predicates.md (m32c_any_operand): New.
8857 (m32c_nonimmediate_operand): New.
8858 (m32c_hl_operand): New.
8859 (m32c_r3_operand): New.
8862 (memsym_operand): New.
8863 (memimmed_operand): New.
8864 (a_qi_operand): New.
8865 (m32c_eqne_operator): New.
8866 (m32c_1bit8_operand): New.
8867 (m32c_1bit16_operand): New.
8868 (m32c_1mask8_operand): New.
8869 (m32c_1mask16_operand): New.
8870 * config/m32c/blkmov.md: New file.
8871 * config/m32c/t-m32c (MD_FILES): Add blkmov.
8873 2006-03-08 Andreas Tobler <a.tobler@schweiz.ch>
8875 * dwarf2out.c (expand_builtin_dwarf_sp_column): Make dwarf_regnum
8876 unsigned to fix signed/unsigned comparison issue in
8877 DWARF2_FRAME_REG_OUT.
8878 (expand_builtin_init_dwarf_reg_sizes): Make i unsigned to fix signed/
8879 unsigned comparison issue in DWARF2_FRAME_REG_OUT.
8881 * tree-ssa-operands.c (finalize_ssa_def_ops): Move the declaration
8882 of ptr into the ENABLE_CHECKING section.
8884 2006-03-08 Jeff Law <law@redhat.com>
8886 * tree-vrp.c (infer_value_range): Only count pointer uses
8887 and dereferences if -fdelete-null-pointer-checks is enabled.
8889 * tree-vrp.c (find_assert_locations): Infer value ranges for
8890 single use pointers, but do not create ASSERT_EXPRs for them.
8891 When a non-null range is inferred for a pointer, backwards
8892 propagate that range to other equivalent pointers through the
8895 2006-03-08 Paolo Bonzini <bonzini@gnu.org>
8898 * Makefile.in (dvi, html, install-info): Invoke the corresponding
8899 language hook targets.
8900 * ada/Make-lang.in, cp/Make-lang.in, objc/Make-lang.in,
8901 objcp/Make-lang.in: Create stub rules for dvi, html, install-info
8902 if language hook targets were missing.
8904 2006-03-07 Zdenek Dvorak <dvorakz@suse.cz>
8906 * tree-ssa-opfinalize.h: Removed.
8907 * Makefile.in (tree-ssa-operands.o): Remove tree-ssa-opfinalize.h
8909 * tree-ssa-operands.c: Do not include tree-ssa-opfinalize.h.
8910 (ALLOC_OPTYPE, APPEND_OP_AFTER, MOVE_HEAD_AFTER, MOVE_HEAD_TO_FREELIST,
8911 INITIALIZE_USE, add_def_op, add_use_op, add_vuse_op, add_maydef_op,
8912 add_mustdef_op, finalize_ssa_def_ops, finalize_ssa_use_ops,
8913 finalize_ssa_v_may_def_ops, finalize_ssa_vuse_ops,
8914 finalize_ssa_v_must_def_ops): New.
8916 2006-03-07 Kenneth Zadeck <zadeck@naturalbridge.com>
8918 * df-scan.c: (df_bb_refs_record): Fix obvious typo with wrong
8921 2006-03-07 Geoffrey Keating <geoffk@apple.com>
8923 * varasm.c (assemble_end_function): Say that 'fnname' is unused.
8925 * config/i386/i386.c (ix86_delegitimize_address): Handle Darwin
8926 addresses with offsets; reorganize.
8928 * dwarf2out.c (DWARF2_FRAME_REG_OUT): Move up in file.
8929 (expand_builtin_dwarf_sp_column): Call DWARF2_FRAME_REG_OUT.
8930 (expand_builtin_init_dwarf_reg_sizes): Likewise.
8932 2006-03-08 David Billinghurst <David.Billinghurst@riotinto.com>
8935 * config/i386/cygwin.h (GOMP_SELF_SPECS): Define.
8937 2006-03-08 Ben Elliston <bje@au.ibm.com>
8939 * config/fp-bit.h (CMPtype): Typedef to a word mode integer.
8941 2006-03-07 Aldy Hernandez <aldyh@redhat.com>
8944 * doc/passes.texi (Tree-SSA passes): Document omp lowering and
8947 2006-03-07 Richard Guenther <rguenther@suse.de>
8949 PR tree-optimization/26587
8950 * tree-ssa-structalias.c (handle_ptr_arith): Handle MINUS_EXPR.
8952 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8954 * varasm.c (assemble_variable): Fix setting of DECL_IN_TEXT_SECTION.
8956 2006-03-07 Richard Sandiford <richard@codesourcery.com>
8958 * hooks.c (hook_bool_mode_rtx_true): New function.
8959 * hooks.h (hook_bool_mode_rtx_true): Declare.
8960 * toplev.c (compile_file): Call output_shared_constant_pool.
8961 * varasm.c (shared_constant_pool): New variable.
8962 (assemble_start_function, assemble_end_function): Remove arguments
8963 from call to output_constant_pool.
8964 (create_constant_pool): New function, split out from...
8965 (init_varasm_status): ...here.
8966 (force_const_mem): Choose between the shared and per-function constant
8967 pools. Set current_function_uses_const_pool when reusing old entries
8968 as well as when creating new ones.
8969 (mark_constant): Ignore data argument.
8970 (mark_constants): Remove pool argument.
8971 (mark_constant_pool): Likewise. Use current_function_uses_const_pool
8972 to decide whether the function uses a constant pool.
8973 (output_constant_pool_contents): New function, split out from...
8974 (output_constant_pool): ...here.
8975 (output_shared_constant_pool): New function.
8976 (init_varasm_once): Initialize shared_constant_pool.
8977 * output.h (output_constant_pool): Delete.
8978 (output_shared_constant_pool): Declare.
8979 * config/s390/s390-protos.h (s390_output_constant_pool): Delete.
8980 * config/i386/i386.c (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Override.
8982 2006-03-06 Nick Clifton <nickc@redhat.com>
8984 * config/m32r/m32r.h (OPTIMIZATION_OPTIONS): Remove reference to
8985 flag_strength_reduce.
8987 2006-03-06 Ben Elliston <bje@au.ibm.com>
8989 * config.gcc: Add t-dfprules to $tmake_file for i*86-*-linux* and
8990 x86_64-*-linux* configurations.
8992 * config/dfp-bit.h (CMPtype): Typedef to a word mode integer.
8993 (LIBGCC2_WORDS_BIG_ENDIAN): Define.
8995 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
8997 * tree-ssa-threadupdate.c (rediscover_loops_after_threading):
8999 * basic-block.h: Remove the extern for
9000 rediscover_loops_after_threading.
9002 * cfgloop.c (cancel_loop): Make it static.
9003 * cfgloop.h: Remove the prototype for cancel_loop.
9005 * flow.c (recompute_reg_usage): Make it static.
9006 * rtl.h: Remove the prototype for recompute_reg_usage.
9008 * function.c (use_return_register): Make it static.
9009 * function.h: Remove the prototype.
9011 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9013 * recog.c (volatile_mem_p, validate_change_maybe_volatile):
9015 * recog.h: Remove the prototype for
9016 validate_change_maybe_volatile.
9018 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9020 * rtlanal.c (replace_reg): Remove.
9021 * rtl.h: Remove the prototype for replace_reg.
9023 2006-03-05 Kazu Hirata <kazu@codesourcery.com>
9025 * regclass.c (reg_scan_update): Remove.
9026 (reg_scan_mark_refs): Remove the last argument.
9027 * rtl.h: Remove the prototype for reg_scan_update.
9029 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9031 * builtins.c, c-pragma.h, c-typeck.c, cgraph.c, cgraphunit.c,
9032 combine.c, common.opt, config/dfp-bit.c, config/i386/i386.c,
9033 config/m68k/m68k.c, config/m68k/m68k.md, config/mt/mt.c,
9034 config/mt/mt.h, config/s390/s390.md, df-core.c, df-problems.c,
9035 df-scan.c, df.h, diagnostic.c, expr.c, function.h, gimplify.c,
9036 loop-invariant.c, omp-low.c, opts.c, passes.c,
9037 rtl-factoring.c, rtlanal.c, struct-equiv.c, tree-cfgcleanup.c,
9038 tree-ssa-loop-niter.c, tree-ssa-loop-prefetch.c,
9039 tree-ssa-structalias.c, tree-ssa-threadedge.c,
9040 tree-ssa-threadupdate.c, tree-vect-patterns.c,
9041 tree-vect-transform.c, tree-vectorizer.h, tree-vrp.c,
9042 unwind-dw2.c: Fix comment typos. Follow spelling conventions.
9044 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9046 * dwarf2out.c (dwarf2out_add_library_unit_info): Remove.
9047 * dwarf2out.h: Remove the prototype for
9048 dwarf2out_add_library_unit_info.
9050 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9052 * tree.c (add_var_to_bind_expr): Remove.
9053 * tree.h: Remove the prototype for add_var_to_bind_expr.
9055 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9057 * regclass.c (n_non_fixed_regs): Remove.
9058 (init_reg_sets_1, globalize_reg): Remove all uses of
9060 * hard-reg-set.h: Remove the extern for n_non_fixed_regs.
9062 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9064 * rtlanal.c (insns_safe_to_move_p): Remove.
9065 * rtl.h: Remove the prototype for insns_safe_to_move_p.
9067 2006-03-04 Kazu Hirata <kazu@codesourcery.com>
9069 * expmed.c (expand_mult_add): Remove.
9070 * expr.h: Remove the prototype for expand_mult_add.
9072 2006-03-04 Jakub Jelinek <jakub@redhat.com>
9074 * unwind-dw2.h (_Unwind_FrameState): Add REG_SAVED_VAL_OFFSET
9075 and REG_SAVED_VAL_EXP constants.
9076 * unwind-dw2.c (struct _Unwind_Context): Add by_value array.
9077 (_Unwind_GetGR, _Unwind_SetGR, _Unwind_GetGRPtr, _Unwind_SetGRPtr):
9078 Handle regs stored by value.
9079 (_Unwind_SetGRValue, _Unwind_GRByValue): New functions.
9080 (execute_cfa_program): Handle DW_CFA_val_offset,
9081 DW_CFA_val_offset_sf and DW_CFA_val_expression.
9082 (uw_update_context_1): Handle REG_SAVED_REG with regs stored by
9083 value specially. Handle REG_SAVED_VAL_OFFSET and REG_SAVED_VAL_EXP.
9084 (uw_install_context_1): Handle target regs stored by value.
9086 2006-03-03 Daniel Berlin <dberlin@dberlin.org>
9088 * tree-sra.c (tree_sra): Return todoflags;
9089 (generate_one_element): Set TODO_update_smt_usage if needed.
9090 (pass_sra): Remove TODO_update_smt_usage.
9091 * tree-ssa-forwprop.c (forward_propagate_addr_expr): Add some
9093 (tree_ssa_forward_propagate_single_use_vars): Return
9094 TODO_update_smt_usage if we need to update SMT usage.
9095 (pass_forwprop): Remove TODO_update_smt_usage.
9097 2006-03-03 Diego Novillo <dnovillo@redhat.com>
9099 * tree-ssa-operands.c: Tidy whitespace. Fix spelling.
9100 (correct_use_link): Remove reference to get_stmt_operands.
9101 (update_stmt_operands): Likewise.
9102 (get_modify_expr_operands): New function factored out of
9103 parse_ssa_operands and get_expr_operands.
9104 Try to create V_MUST_DEFs for LHS by default.
9105 (get_expr_operands) <case MODIFY_EXPR>: Call
9106 get_modify_expr_operands.
9107 <case ARRAY_RANGE_REF>: Handle together with ARRAY_REF.
9108 <case BIT_FIELD_REF>: Clear opf_kill_def from FLAGS.
9109 (parse_ssa_operands) <case MODIFY_EXPR>: Call
9110 get_modify_expr_operands.
9112 2006-03-03 Kazu Hirata <kazu@codesourcery.com>
9114 * tree-dfa.c (referenced_var_lookup_if_exists): Remove.
9115 * tree-flow.h: Remove the prototype for
9116 referenced_var_lookup_if_exists.
9118 2006-03-03 Steve Ellcey <sje@cup.hp.com>
9120 PR rtl-optimization/26345
9122 * config/ia64/predicates.md (basereg_operand): Don't look in subregs.
9124 2006-03-03 Roger Sayle <roger@eyesopen.com>
9126 PR tree-optimization/26524
9127 * tree-scalar-evolution.c (interpret_rhs_modify_expr): Use
9128 fold_convert to create a constant of the appropriate type.
9130 2006-03-03 Richard Sandiford <richard@codesourcery.com>
9132 * doc/tm.texi: Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9133 SYMBOL_REF_IN_BLOCK_P.
9134 * doc/rtl.texi: Likewise. Refer to SYMBOL_FLAG_HAS_BLOCK_INFO instead
9135 of SYMBOL_FLAG_IN_BLOCK.
9136 * gengtype.c (adjust_field_rtx_def): Use SYMBOL_REF_HAS_BLOCK_INFO_P
9137 instead of SYMBOL_REF_IN_BLOCK_P.
9138 * explow.c (use_anchored_address): Likewise.
9139 * rtl.c (rtx_size): Likewise.
9140 * varasm.c (create_block_symbol): Set SYMBOL_FLAG_HAS_BLOCK_INFO
9141 instead of SYMBOL_FLAG_IN_BLOCK.
9142 (make_decl_rtl): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9143 SYMBOL_REF_IN_BLOCK_P.
9144 (assemble_variable): Likewise.
9145 (output_constant_def_contents): Likewise.
9146 (output_constant_pool): Likewise.
9147 (default_encode_section_info): Preserve SYMBOL_FLAG_HAS_BLOCK_INFO
9148 instead of SYMBOL_FLAG_IN_BLOCK.
9149 * rtl.h (block_symbol): Refer to SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9150 SYMBOL_REF_IN_BLOCK_P.
9151 (SYMBOL_REF_BLOCK): Likewise.
9152 (SYMBOL_REF_OFFSET): Likewise.
9153 (BLOCK_SYMBOL_CHECK): Use SYMBOL_REF_HAS_BLOCK_INFO_P instead of
9154 SYMBOL_REF_IN_BLOCK_P.
9155 (SYMBOL_FLAG_IN_BLOCK): Replace with...
9156 (SYMBOL_FLAG_HAS_BLOCK_INFO): ...this.
9157 (SYMBOL_REF_IN_BLOCK_P): Replace with...
9158 (SYMBOL_REF_HAS_BLOCK_INFO_P): ...this.
9160 2006-03-03 Jakub Jelinek <jakub@redhat.com>
9162 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Fix pasto.
9164 2006-03-02 Roger Sayle <roger@eyesopen.com>
9166 * simplify-rtx.c (simplify_unary_operation): When simplifying
9167 (neg (lt X 0)) into (ashiftrt X C) or (lshiftrt X C), make sure
9168 that we perform the right shift in the appropriate mode, and
9169 then extend or truncate the result to requested mode.
9171 2006-03-03 Zdenek Dvorak <dvorakz@suse.cz>
9173 * gengtype.c (main): Handle double_int type.
9174 * tree.h (struct tree_int_cst): Make type of int_cst double_int.
9175 * double-int.c: New file.
9176 * double-int.h: New file.
9177 * system.h: Include doubleint.h.
9178 * Makefile.in (SYSTEM_H): Include double-int.h.
9179 (double-int.o): Add.
9181 2006-03-03 Joseph S. Myers <joseph@codesourcery.com>
9184 * Makefile.in (stmp-int-hdrs): Remove include/unwind.h before
9187 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9189 * tree-vrp.c (remove_range_assertions): Do not update statements
9192 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9194 * cse.c (rest_of_handle_cse): Do not pass CLEANUP_PRE_LOOP to cfg
9196 * gcse.c (rest_of_handle_gcse): Ditto.
9197 * except.c (gate_handle_eh): Ditto.
9198 * cfgcleanup.c (rest_of_handle_jump2): Ditto.
9199 * basic-block.h (CLEANUP_PRE_LOOP): Remove.
9201 2006-03-02 Eric Christopher <echristo@apple.com>
9203 * config/i386/i386.c (machopic_output_stub): Add indirection to
9206 2006-03-02 Zdenek Dvorak <dvorakz@suse.cz>
9210 2006-03-02 David S. Miller <davem@sunset.davemloft.net>
9212 Sun Niagara specific optimizations.
9213 * config.gcc: Recognize niagara as target.
9214 * config/sparc/sparc.h (SPARC_RELAXED_ORDERING): Mention Niagara.
9215 (TARGET_CPU_niagara): Define.
9216 (CPP_CPU64_DEFAULT_SPEC): Define __sparc_v9__ for Niagara.
9217 (ASM_CPU64_DEFAULT_SPEC): Pass -Av9b for Niagara.
9218 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9219 (ASM_CPU_SPEC): Likewise.
9220 (PROCESSOR_NIAGARA): New enum entry.
9221 (REGISTER_MOVE_COST): Handle Niagara.
9222 (BRANCH_COST, PREFETCH_BLOCK, SIMULTANEOUS_PREFETCHES): Likewise.
9223 * config/sparc/sparc.c (niagara_costs): New processor_costs entry.
9224 (sparc_override_options): Recognize "niagara", set appropriate
9225 default MASK_* values for it, and align functions to 32-bytes
9226 by default just like ULTRASPARC/ULTRASPARC3.
9227 (sparc_initialize_trampoline): Handle niagara like ultrasparc.
9228 (sparc64_initialize_trampoline): Likewise.
9229 (sparc_use_sched_lookahead): Use zero for niagara.
9230 (sparc_issue_rate): Use one for niagara.
9231 * config/sparc/niagara.md: New file.
9232 * config/sparc/sparc.md: Include it.
9233 * config/sparc/sol2-bi.h (CPP_CPU64_DEFAULT_SPEC,
9234 ASM_CPU32_DEFAULT_SPEC, ASM_CPU64_DEFAULT_SPEC): Set appropriately
9235 when default cpu is niagara.
9236 (CPP_CPU_SPEC): Handle -mcpu=niagara.
9237 (ASM_CPU_SPEC): Likewise.
9238 * config/sparc/sol2.h (ASM_CPU_DEFAULT_SPEC): Set appropriately
9239 when default cpu is niagara.
9240 (ASM_CPU_SPEC): Handle -mcpu=niagara.
9241 * config/sparc/linux64.h: Handle a default of TARGET_CPU_niagara
9242 just like v9/ultrasparc/ultrasparc3.
9243 * doc/invoke.texi: Add documentation for "niagara" and improve
9244 existing documentation for ultrasparc variants.
9246 2006-03-02 Diego Novillo <dnovillo@redhat.com>
9248 * tree-ssa-operands.c (update_stmt_operands): Update documentation.
9250 2006-03-02 Richard Sandiford <richard@codesourcery.com>
9252 * doc/tm.texi (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Document.
9253 (ASM_OUTPUT_BSS): Describe the two ways of handling global BSS,
9254 and say that only one is needed.
9255 * doc/rtl.texi (SYMBOL_REF_BLOCK): Say that the block can be null.
9256 * target.h (have_switchable_bss_sections): New hook.
9257 * explow.c (use_anchored_address): Check that the symbol is in a block.
9258 * varasm.c (tls_comm_section, comm_section, lcomm_section)
9259 (bss_noswitch_section): New variables.
9260 (get_unnamed_section): Add SECTION_UNNAMED to the flags.
9261 (get_noswitch_section): New function.
9262 (get_block_for_section): Allow SECT to be null.
9263 (unlikely_text_section_p): Use SECTION_STYLE.
9264 (bss_initializer_p): New function.
9265 (get_variable_section): Move earlier in file. Take a new argument,
9266 prefer_noswitch_p. Move bss checks from assemble_variable to here.
9267 Return one of the new *_sections in such cases.
9268 (get_block_for_decl): New function, extracting some logic from
9269 use_blocks_for_decl_p.
9270 (change_symbol_section): Remove in favor of...
9271 (change_symbol_block): ...this new function.
9272 (use_blocks_for_decl_p): Remove checks now performed by
9274 (make_decl_rtl): Use change_symbol_block and get_block_for_decl.
9275 (ASM_EMIT_LOCAL, ASM_EMIT_BSS, ASM_EMIT_COMMON): Delete in favor of...
9276 (emit_local, emit_bss, emit_common): ...these new functions.
9277 Return true if the alignment was honored.
9278 (emit_tls_common): New function.
9279 (asm_emit_uninitialised): Delete.
9280 (assemble_variable_noswitch): New function, split out from...
9281 (assemble_variable): ...here. Don't make decisions about common
9282 variables here. Globalize all public decls that go into non-common
9283 sections. Check whether SYMBOL_REF_BLOCK is null.
9284 (output_constant_def_contents): Check whether SYMBOL_REF_BLOCK is null.
9285 (output_constant_pool): Likewise.
9286 (init_varasm_once): Initialize the new section variables.
9287 (have_global_bss_p): New function.
9288 (categorize_decl_for_section): Use bss_initializer_p.
9289 (switch_to_section): Use SECTION_STYLE. Abort for SECTION_NOSWITCH.
9290 (place_block_symbol): Assert that the symbol must be in a block.
9291 * target-def.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): New macro.
9292 (TARGET_INITIALIZER): Include it.
9293 * rtl.h (SYMBOL_REF_BLOCK): Document the null alternative.
9294 * output.h (SECTION_STYLE_MASK, SECTION_COMMON): New macros.
9295 (SECTION_MACH_DEP): Bump by two.
9296 (SECTION_UNNAMED, SECTION_NOSWITCH): New macros.
9297 (unnamed_section): Mention SECTION_UNNAMED in comment.
9298 (named_section): Likewise SECTION_NAMED.
9299 (noswitch_section_callback): New type.
9300 (noswitch_section): New structure.
9301 (section): Add a noswitch_section alternative.
9302 (SECTION_STYLE): New macro.
9303 (tls_comm_section, comm_section, lcomm_section): Declare.
9304 (bss_noswitch_section, have_global_bss_p): Declare.
9305 * config/elfos.h (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9306 * config/iq2000/iq2000.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9308 * config/v850/v850.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS): Override.
9309 * config/stormy16/stormy16.c (TARGET_HAVE_SWITCHABLE_BSS_SECTIONS):
9312 2006-03-02 Daniel Berlin <dberlin@dberlin.org>
9314 * tree-vrp.c (execute_vrp): Return value.
9315 * regrename.c (rest_of_handle_regrename): Ditto.
9316 * tree-into-ssa.c (rewrite_into_ssa): Ditto.
9317 * tree-complex.c (tree_lower_complex): Ditto.
9318 (tree_lower_complex_O0): Ditto.
9319 * tracer.c (rest_of_handle_tracer): Ditto.
9320 * postreload-gcse.c (rest_of_handle_gcse2): Ditto.
9321 * postreload.c (rest_of_handle_postreload): Ditto.
9322 * tree-tailcall.c (execute_tail_recursion): Ditto.
9323 (execute_tail_calls): Ditto.
9324 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
9325 * tree.h (init_function_for_compilation): Ditto.
9326 * ipa-cp.c (ipcp_driver): Ditto.
9327 * tree-scalar-evolution.c (scev_const_prop): Ditto.
9328 * tree-scalar-evolution.h (scev_const_prop): Ditto.
9329 * final.c (compute_alignments): Ditto.
9330 (rest_of_handle_final): Ditto.
9331 (rest_of_handle_shorten_branches): Ditto.
9332 (rest_of_clean_state): Ditto.
9333 * omp-low.c (execute_expand_omp): Ditto.
9334 (execute_lower_omp): Ditto.
9335 * tree-ssa-dse.c (tree_ssa_dse): Ditto.
9336 * ipa-reference.c (static_execute): Ditto.
9337 * tree-ssa-uncprop.c (tree_ssa_uncprop): Ditto.
9338 * reorg.c (rest_of_handle_delay_slots): Ditto.
9339 (rest_of_handle_machine_reorg): Ditto.
9340 * cgraphunit.c (rebuild_cgraph_edges): Ditto.
9341 * flow.c (recompute_reg_usage): Ditto.
9342 (rest_of_handle_remove_death_notes): Ditto.
9343 (rest_of_handle_life): Ditto.
9344 (rest_of_handle_flow2): Ditto.
9345 * tree-ssa-copyrename.c (rename_ssa_copies): Ditto.
9346 * tree-ssa-ccp.c (do_ssa_ccp): Ditto.
9347 (do_ssa_store_ccp): Ditto.
9348 (execute_fold_all_builtins): Ditto.
9349 * mode-switching.c (rest_of_handle_mode_switching): Ditto.
9350 * modulo-sched.c (rest_of_handle_sms): Ditto.
9351 * ipa-pure-const.c (static_execute): Ditto.
9352 * cse.c (rest_of_handle_cse): Ditto.
9353 (rest_of_handle_cse2): Ditto.
9354 * web.c (rest_of_handle_web): Ditto.
9355 * tree-stdarg.c (execute_optimize_stdarg): Ditto.
9356 * tree-ssa-math-opts.c (execute_cse_reciprocals): Ditto.
9357 * tree-ssa-dom.c (tree_ssa_dominator_optimize): Ditto.
9358 * tree-nrv.c (tree_nrv): Ditto.
9359 (execute_return_slot_opt): Ditto.
9360 * tree-ssa-alias.c (compute_may_aliases): Ditto.
9361 (create_structure_vars): Ditto.
9362 * loop-init.c (rtl_loop_init): Ditto.
9363 (rtl_loop_done): Ditto.
9364 (rtl_move_loop_invariants): Ditto.
9365 (rtl_unswitch): Ditto.
9366 (rtl_unroll_and_peel_loops): Ditto.
9367 (rtl_doloop): Ditto.
9368 * gimple-low.c (lower_function_body): Ditto.
9369 (mark_used_blocks): Ditto.
9370 * tree-ssa-sink.c (execute_sink_code): Ditto.
9371 * ipa-inline.c (cgraph_decide_inlining): Ditto.
9372 (cgraph_early_inlining): Ditto.
9373 * global.c (rest_of_handle_global_alloc): Ditto.
9374 * jump.c (cleanup_barriers): Ditto.
9375 (purge_line_number_notes): Ditto.
9376 * ifcvt.c (rest_of_handle_if_conversion): Ditto.
9377 (rest_of_handle_if_after_reload): Ditto.
9378 * tree-ssa-loop.c (tree_ssa_loop_init): Ditto.
9379 (tree_ssa_loop_im): Ditto.
9380 (tree_ssa_loop_unswitch): Ditto.
9381 (tree_vectorize): Ditto.
9382 (tree_linear_transform): Ditto.
9383 (tree_ssa_loop_ivcanon): Ditto.
9384 (tree_ssa_empty_loop): Ditto.
9385 (tree_ssa_loop_bounds): Ditto.
9386 (tree_complete_unroll): Ditto.
9387 (tree_ssa_loop_prefetch): Ditto.
9388 (tree_ssa_loop_ivopts): Ditto.
9389 (tree_ssa_loop_done): Ditto.
9390 * predict.c (tree_estimate_probability): Ditto.
9391 * recog.c (split_all_insns_noflow): Ditto.
9392 (rest_of_handle_peephole2): Ditto.
9393 (rest_of_handle_split_all_insns): Ditto.
9394 * tree-eh.c (lower_eh_constructs): Ditto.
9395 * regmove.c (rest_of_handle_regmove): Ditto.
9396 (rest_of_handle_stack_adjustments): Ditto.
9397 * local-alloc.c (rest_of_handle_local_alloc): Ditto.
9398 * function.c (instantiate_virtual_regs): Ditto.
9399 (init_function_for_compilation): Ditto.
9400 (rest_of_handle_check_leaf_regs): Ditto.
9401 * gcse.c (rest_of_handle_jump_bypass): Ditto.
9402 (rest_of_handle_gcse): Ditto.
9403 * ipa-type-escape.c (type_escape_execute): Ditto.
9404 * alias.c (rest_of_handle_cfg): Ditto.
9405 * tree-if-conv.c (main_tree_if_conversion): Ditto.
9406 * profile.c (rest_of_handle_branch_prob): Ditto.
9407 * tree-ssa-phiopt.c (tree_ssa_phiopt): Ditto.
9408 * rtl-factoring.c (rest_of_rtl_seqabstr): Ditto.
9409 * bt-load.c (rest_of_handle_branch_target_load_optimize): Ditto
9410 * tree-dfa.c (find_referenced_vars): Ditto.
9411 * except.c (set_nothrow_function_flags): Ditto.
9412 (convert_to_eh_region_ranges): Ditto.
9413 (rest_of_handle_eh): Ditto.
9414 * emit-rtl.c (unshare_all_rtl): Ditto.
9415 (remove_unnecessary_notes): Ditto.
9416 * except.h (set_nothrow_function_flags): Ditto.
9417 (convert_to_eh_region_ranges): Ditto.
9418 * cfgexpand.c (tree_expand_cfg): Ditto.
9419 * tree-cfgcleanup.c (merge_phi_nodes): Ditto.
9420 * tree-ssa-pre.c (do_pre): Ditto.
9421 (execute_fre): Ditto.
9422 * cfgcleanup.c (rest_of_handle_jump): Ditto.
9423 (rest_of_handle_jump2): Ditto.
9424 * tree-sra.c (tree_sra): Ditto.
9425 * tree-mudflap.c (execute_mudflap_function_ops): Ditto.
9426 (execute_mudflap_function_decls): Ditto.
9427 * tree-ssa-copy.c (do_copy_prop): Ditto.
9428 (do_store_copy_prop): Ditto.
9429 * ipa-prop.h (ipcp_driver): Ditto.
9430 * cfglayout.c (insn_locators_initialize): Ditto.
9431 * tree-ssa-forwprop.c
9432 (tree_ssa_forward_propagate_single_use_vars): Ditto.
9433 * cfglayout.h (insn_locators_initialize): Ditto.
9434 * tree-ssa-dce.c (tree_ssa_dce): Ditto.
9435 * tree-ssa.c (execute_early_warn_uninitialized): Ditto.
9436 (execute_late_warn_uninitialized): Ditto.
9437 * rtl.h (cleanup_barriers): Ditto.
9438 (split_all_insns_noflow): Ditto.
9439 (purge_line_number_notes): Ditto.
9440 (unshare_all_rtl): Ditto.
9441 (remove_unnecessary_notes): Ditto.
9442 (recompute_reg_usage): Ditto.
9443 (variable_tracking_main): Ditto.
9444 * integrate.c (emit_initial_value_sets): Ditto.
9445 * integrate.h (emit_initial_value_sets): Ditto.
9446 * tree-optimize.c (execute_free_datastructures): Ditto
9447 (execute_free_cfg_annotations): Ditto.
9448 (execute_fixup_cfg): Ditto.
9449 (execute_cleanup_cfg_pre_ipa): Ditto.
9450 (execute_cleanup_cfg_post_optimizing): Ditto.
9451 (execute_init_datastructures): Ditto.
9452 * tree-object-size.c (compute_object_sizes): Ditto.
9453 * combine.c (rest_of_handle_combine): Ditto.
9454 * tree-outof-ssa.c (rewrite_out_of_ssa): Ditto.
9455 * bb-reorder.c (duplicate_computed_gotos): Ditto.
9456 (rest_of_handle_reorder_blocks): Ditto.
9457 (rest_of_handle_partition_blocks): Ditto.
9458 * var-tracking.c (variable_tracking_main): Ditto.
9459 * tree-profile.c (tree_profiling): Ditto.
9460 * tree-vect-generic.c (expand_vector_operations): Ditto.
9461 * reg-stack.c (rest_of_handle_stack_regs): Ditto.
9462 * sched-rgn.c (rest_of_handle_sched): Ditto.
9463 (rest_of_handle_sched2): Ditto.
9464 * basic-block.h (free_bb_insn): Ditto.
9465 * tree-ssa-structalias.c (ipa_pta_execute): Ditto.
9466 * tree-cfg.c (execute_build_cfg): Ditto.
9467 (remove_useless_stmts): Ditto.
9468 (split_critical_edges): Ditto.
9469 (execute_warn_function_return): Ditto.
9470 (execute_warn_function_noreturn): Ditto.
9471 * tree-ssa-reassoc.c (execute_reassoc): Ditto.
9472 * cfgrtl.c (free_bb_for_insn): Ditto.
9473 * passes.c (execute_one_pass): Run additional
9474 todos returned by execute function.
9475 * tree-pass.h (struct tree_opt_pass): Make execute
9478 2006-03-02 Richard Guenther <rguenther@suse.de>
9480 * tree-ssa-alias.c (find_used_portions): Consider taking
9481 the address as making the variable not write-only.
9483 2006-03-02 Nick Clifton <nickc@redhat.com>
9485 * config.gcc (default_use_cxa_atexit): Extend the description of
9486 this configure variable. Set its default value to "yes" for
9487 Linux, NetBSD and ELF targets on the assumption that they will
9488 use C libraries with the __cxa_atexit function.
9490 2006-03-02 Ben Elliston <bje@au.ibm.com>
9492 * config/rs6000/linux-unwind.h (frob_update_context): Mark `fs'
9493 parameter as unused to suppress a build warning.
9495 2006-03-02 Ben Elliston <bje@au.ibm.com>
9497 * mklibgcc.in: Depend on config/dfp-bit.h in rules that compile
9500 2006-03-01 Roger Sayle <roger@eyesopen.com>
9503 * gthr-posix.h (__gthrw2): Define to take three parameters, the
9504 declared name, the weak reference name, and the typeof name.
9505 (__gthrw): Avoid expanding the declared name suffix.
9506 (__gthrw3): New Tru64 specific macro to simplify the OSF/1 decls.
9508 2006-03-01 Jakub Jelinek <jakub@redhat.com>
9510 * dwarf2.h (DW_TAG_condition, DW_TAG_shared_type): New constants
9512 (DW_AT_description, DW_AT_binary_scale, DW_AT_decimal_scale,
9513 DW_AT_small, DW_AT_decimal_sign, DW_AT_digit_count,
9514 DW_AT_picture_string, DW_AT_mutable, DW_AT_threads_scaled,
9515 DW_AT_explicit, DW_AT_object_pointer, DW_AT_endianity,
9516 DW_AT_elemental, DW_AT_pure, DW_AT_recursive): New.
9517 (DW_OP_form_tls_address, DW_OP_call_frame_cfa, DW_OP_bit_piece): New.
9518 (DW_ATE_packed_decimal, DW_ATE_numeric_string, DW_ATE_edited,
9519 DW_ATE_signed_fixed, DW_ATE_unsigned_fixed): New.
9520 (DW_DS_unsigned, DW_DS_leading_overpunch, DW_DS_trailing_overpunch,
9521 DW_DS_leading_separate, DW_DS_trailing_separate): New.
9522 (DW_END_default, DW_END_big, DW_END_little): New.
9523 (DW_END_lo_user, DW_END_hi_user): Define.
9524 (DW_LNE_lo_user, DW_LNE_hi_user): Define.
9525 (DW_CFA_val_offset, DW_CFA_val_offset_sf, DW_CFA_val_expression): New.
9526 (DW_LANG_PLI, DW_LANG_ObjC, DW_LANG_ObjC_plus_plus, DW_LANG_UPC,
9529 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9531 * tree.def (SYMBOL_MEMORY_TAG): Rename from TYPE_MEMORY_TAG.
9533 * tree-pass.h (PROP_smt_usage): Rename from PROP_tmt_usage.
9535 (TODO_update_smt_usage): Rename from TODO_update_tmt_usage.
9537 * tree.h (SMT_USED_ALONE): Rename from TMT_USED_ALONE.
9539 * tree-flow.h (struct var_ann_d): Rename field 'type_mem_tag'
9540 to 'symbol_mem_tag'.
9542 * doc/tree-ssa.texi: Update documentation to reflect TMT->SMT
9545 2006-03-01 Roger Sayle <roger@eyesopen.com>
9547 * builtins.c (fold_builtin_copysign): Delete unreachable code.
9549 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9552 * config/darwin.h (MACHOPIC_JUST_INDIRECT): Check just
9553 MACHO_DYNAMIC_NO_PIC_P.
9554 (MACHOPIC_PURE): Check flag_pic and not MACHO_DYNAMIC_NO_PIC_P.
9556 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9559 * config/darwin-protos.h (darwin_asm_output_anchor):
9561 * config/darwin-sections.def (cstring_section):
9562 Add SECTION_MERGE to the flags.
9563 (literal4_section): Likewise.
9564 (literal8_section): Likewise.
9565 (objc_selector_refs_section): Likewise.
9566 (objc_cls_refs_section): Likewise.
9567 * config/darwin.c (darwin_asm_output_anchor): New
9569 * config/darwin.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
9571 2006-03-01 Daniel Berlin <dberlin@dberlin.org>
9573 Fix PR tree-optimization/26443
9574 * tree-vrp.c (pass_vrp): Add TODO_update_tmt_usage
9575 to todo and PROP_tmt_usage to properties_destroyed.
9576 * tree-ssa-ccp.c (pass_ccp): Ditto.
9577 (pass_store_ccp): Ditto.
9578 * tree-ssa-dom.c (pass_dominator): Ditto.
9580 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9582 * tree-ssa-operands.c: Cleanup whitespace.
9583 (get_asm_expr_operands): Move before first invocation.
9584 (get_indirect_ref_operands): Likewise.
9585 (get_tmr_operands): Likewise.
9586 (get_call_expr_operands): Likewise.
9587 (append_def): Likewise.
9588 (append_use): Likewise.
9589 (append_v_may_def): Likewise.
9590 (append_v_must_def): Likewise.
9591 (add_call_clobber_ops): Likewise.
9592 (add_call_read_ops): Likewise.
9593 (add_stmt_operand): Likewise.
9594 (add_virtual_operand): Likewise.
9595 (build_ssa_operands): Likewise.
9597 2006-03-01 Andrew Pinski <pinskia@physics.uc.edu>
9602 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
9603 with a call expr to ...
9604 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
9606 2006-03-01 Diego Novillo <dnovillo@redhat.com>
9608 * tree-vrp.c (extract_range_from_assert): Remove special
9609 handling for types with super-types.
9611 2006-03-01 Ben Elliston <bje@au.ibm.com>
9613 * config.gcc: Add t-dfprules to $tmake_file for powerpc-*-linux*
9614 and powerpc64-*-linux* configurations.
9615 * config/t-dfprules: New file.
9617 * mklibgcc.in: Add logic to handle $DFP_ENABLE and $DFP_CFLAGS.
9618 Compile dfp-bit.c from the source directory using -DWIDTH and
9619 $DFP_CFLAGS to control the compilation of that file, rather than
9620 generating width-specific versions in the build directory.
9621 * Makefile.in (libgcc.mk): Pass down DFP_ENABLE and DFP_CFLAGS.
9622 (LIBGCC_DEPS): Replace $(D32PBIT) et al with config/dfp-bit.[hc].
9624 2006-02-28 Zack Weinberg <zackw@panix.com>
9626 * doc/md.texi: Avoid use of @headitem so that makeinfo <4.7
9629 2006-02-28 Eric Christopher <echristo@apple.com>
9631 * config/rs6000/darwin.h (ENABLE_STACK_EXECUTE): Define.
9632 Set up IN_LIBGCC definition of TARGET_64BIT.
9633 * config/i386/darwin.h (ENABLE_STACK_EXECUTE): Define.
9635 2006-02-28 Roger Sayle <roger@eyesopen.com>
9638 * c-common.c (c_common_truthvalue_conversion) <MINUS_EXPR,
9639 BIT_XOR_EXPR, BIT_AND_EXPR>: Delete. Let fold optimize these
9640 cases via the construction of "expr != 0".
9642 2006-02-28 Steven Bosscher <stevenb.gcc@gmail.com>
9644 * alias.c (alias_invariant, alias_invariant_size): Remove.
9645 (record_base_value): Remove.
9646 (memrefs_conflict_p): Don't look at alias_invariant.
9647 (end_alias_analysis): Don't free it.
9648 * alias.h (record_base_value): Remove prototype.
9650 2006-02-28 Paolo Bonzini <bonzini@gnu.org>
9651 Adam Nemet <anemet@caviumnetworks.com>
9653 * rtl.h (truncated_to_mode): Declare it.
9654 (struct rtl_hooks): Add reg_truncated_to_mode hook.
9655 * rtlhooks-def.h (RTL_HOOKS_REG_TRUNCATED_TO_MODE): New macro.
9656 (RTL_HOOKS_INITIALIZER): Include it.
9657 * rtlhooks.c (reg_truncated_to_mode_general): New function.
9658 * combine.c (RTL_HOOKS_REG_TRUNCATED_TO_MODE): Override to
9659 reg_truncated_to_mode.
9660 * rtlanal.c (truncated_to_mode): Define it.
9661 * simplify-rtx.c (simplify_unary_operation_1): Use it.
9663 2006-02-28 Jeff Law <law@redhat.com>
9665 * tree-chrec.c (chrec_convert_aggressive): Do not eliminate
9666 conversions where TYPE_MIN_VALUE/TYPE_MAX_VALUE do not cover
9667 the range allowed by TYPE_PRECISION.
9669 * tree.h (strct phi_arg_d): Remove unused NONZERO field.
9671 2006-02-28 Dorit Nuzman <dorit@il.ibm.com>
9673 PR tree-optimization/26419
9674 * doc/invoke.texi (ftree-vectorizer-verbose): Add information on
9677 2006-02-27 Zack Weinberg <zackw@panix.com>
9679 * doc/md.texi: Fix typo in previous change.
9681 2006-02-27 Kenneth Zadeck <zadeck@naturalbridge.com>
9685 2006-02-27 Zack Weinberg <zackw@panix.com>
9687 * rtl.def (define_constraint, define_register_constraint)
9688 (define_memory_constraint, define_address_constraint): New MD forms.
9689 * gensupport.c (process_rtx): Put define_constraint etc on the
9691 * genpreds.c (process_define_predicate): Adjust comment. Validate
9692 the name, and call validate_exp to validate the expression.
9693 (mark_mode_tests, write_extract_subexp): Can assume correct input.
9694 (write_predicate_expr): Likewise. NAME argument no longer necessary;
9695 all callers changed.
9696 (validate_exp, needs_variable, struct constraint_data)
9697 (constraints_by_letter_table, first_constraint, last_constraint_ptr)
9698 (FOR_ALL_CONSTRAINTS, generic_constraint_letters, const_int_constraints)
9699 (const_dbl_constraints, constraint_max_namelen)
9700 (have_register_constraints, have_memory_constraints)
9701 (have_address_constraints, have_address_constraints)
9702 (have_extra_constraints, have_const_int_constraints)
9703 (have_const_dbl_constraints, mangle, add_constraint)
9704 (process_define_constraint, process_define_register_constraint)
9705 (write_enum_constraint_num, write_lookup_constraint)
9706 (write_insn_constraint_len, write_regclass_for_constraint)
9707 (write_constraint_satisfied_p, write_insn_const_int_ok_for_constraint)
9708 (write_insn_extra_memory_constraint)
9709 (write_insn_extra_address_constraint)
9710 (write_satisfies_constraint_fns): New.
9711 (write_tm_preds_h): If we have new-style constraint definitions,
9712 prototype the functions generated from them, and define the
9713 old constraint interface (still used by generic code) in terms of
9715 (write_insn_preds_c): If we have new-style constraint definitions,
9716 generate all relevant functions from those definitions.
9717 (main): Handle define_constraint etc.
9718 * genoutput.c (struct constraint_data, indep_constraints)
9719 (mdep_constraint_letters, constraints_by_letter_table, note_constraint)
9720 (mdep_constraint_len): New data structures and functions, defined
9721 #ifdef USE_MD_CONSTRAINTS.
9722 (check_constraint_len): Don't define #ifdef USE_MD_CONSTRAINTS.
9723 (validate_insn_alternatives): If USE_MD_CONSTRAINTS is defined,
9724 use new logic to validate operand constraints against constraint
9726 (main): Process define_constraint etc. if USE_MD_CONSTRAINTS is
9728 * defaults.h: If none of the old-style constraint macros are
9729 defined, define USE_MD_CONSTRAINTS; do not provide defaults for any
9730 old-style macros; and poison REG_CLASS_FROM_LETTER,
9731 CONST_OK_FOR_LETTER_P, CONST_DOUBLE_OK_FOR_LETTER_P, and
9733 * recog.c (reg_fits_class_p): If cl is NO_REGS, return 0 immediately.
9734 * doc/md.texi: Document new constraint-definition mechanism and the
9735 C interface it provides. Remove references to old mechanism
9736 elsewhere in the document.
9737 (Machine Constraints): Use pathnames relative to gcc directory,
9738 i.e. config/ARCH/FILE. Change i386 section to refer to
9739 config/i386/predicates.md; update that section to match docstrings.
9740 * doc/tm.texi: Move all documentation of the old constraint-
9741 definition macros to their own section, clearly mark as obsolete.
9743 * config/i386/predicates.md (R, q, Q, l, a, b, c, d, S, D, A, f, t)
9744 (u, y, x, Y, I, J, K, L, M, N, O, G, C, e, Z): New constraint
9746 * config/i386/i386.h (REG_CLASS_FROM_LETTER, CONST_OK_FOR_LETTER_P)
9747 (CONST_DOUBLE_OK_FOR_LETTER_P, EXTRA_CONSTRAINT): Delete.
9748 * config/i386/i386.md (*movdf_nointeger): Remove stray 'H' from
9750 (splits and peepholes): Use satisfies_constraint_*.
9751 * config/i386/i386.c (memory_address_length)
9752 (ix86_attr_length_immediate_default): Use satisfies_constraint_*.
9754 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9756 * lambda-code.c (can_convert_to_perfect_nest): Allow any type of
9757 scalar operation to be put back into the loop.
9759 2006-02-27 Jakub Jelinek <jakub@redhat.com>
9762 * unwind-dw2.c (struct _Unwind_Context): Add signal_frame field.
9763 (extract_cie_info): Handle S flag in augmentation string.
9764 (execute_cfa_program): If context->signal_frame, execute also
9765 fs->pc == context->ra instructions.
9766 (uw_frame_state_for): If context->signal_frame, don't subtract one
9767 from context->ra to find FDE.
9768 (uw_update_context_1): Set context->signal_frame to
9770 (_Unwind_GetIPInfo): New function.
9771 * unwind-dw2.h (_Unwind_FrameState): Add signal_frame field.
9772 * unwind-c.c (PERSONALITY_FUNCTION): Use _Unwind_GetIPInfo instead
9774 * unwind-sjlj.c (_Unwind_GetIPInfo): New function.
9775 * unwind-generic.h (_Unwind_GetIPInfo): New prototype.
9776 * unwind-compat.c (_Unwind_GetIPInfo): New function.
9777 * libgcc-std.ver (_Unwind_GetIPInfo): Export @@GCC_4.2.0.
9778 * config/ia64/unwind-ia64.c (_Unwind_GetIPInfo): New function.
9779 * config/arm/unwind-arm.h (_Unwind_GetIPInfo): Define.
9780 * config/i386/linux-unwind.h (x86_fallback_frame_state,
9781 x86_64_fallback_frame_state): Set fs->signal_frame.
9782 * config/rs6000/linux-unwind.h (ppc_fallback_frame_state): Likewise.
9783 (MD_FROB_UPDATE_CONTEXT): Define unconditionally.
9784 (frob_update_context): Likewise. Workaround missing S flag in
9785 Linux 2.6.12 - 2.6.16 kernel vDSOs.
9786 * config/s390/linux-unwind.h (s390_fallback_frame_state): Likewise.
9787 Remove the psw_addr + 1 hack.
9789 2006-02-27 Daniel Berlin <dberlin@dberlin.org>
9791 * tree-ssa-structalias.c (get_constraint_for): Move code to deal
9792 with aggregates here.
9793 (find_func_aliases): Remove code for &<aggregate> from here.
9795 2006-02-26 Roger Sayle <roger@eyesopen.com>
9797 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (~X & C) eq/ne 0 as
9798 (X & C) ne/eq 0, where C is a single bit, i.e. a power of two.
9799 Fold both "((X & C) ^ C) eq/ne 0" and "((X ^ C) & C) eq/ne 0"
9802 2006-02-26 Roger Sayle <roger@eyesopen.com>
9805 * real.c (real_nan): Allow both 0x and 0X as hexadecimal prefixes.
9807 2006-02-26 Zdenek Dvorak <dvorakz@suse.cz>
9809 * opts.c (decode_options): Do not handle flag_strength_reduce.
9810 (common_handle_option): Handle OPT_floop_optimize, OPT_frerun_loop_opt
9811 and OPT_fstrength_reduce.
9812 * tree-ssa-loop.c (tree_ssa_loop_prefetch): Only test
9813 flag_prefetch_loop_arrays for being nonzero.
9814 * common.opt (floop-optimize, frerun-loop-opt): Resurrected as
9816 (fprefetch-loop-arrays-rtl): Removed.
9817 (flag_prefetch_loop_arrays): Do not specify the value.
9819 * doc/passes.texi: Update documentation of loop optimizer
9821 * doc/invoke.texi (-fstrength-reduce, -fprefetch-loop-arrays-rtl,
9822 -frerun-loop-opt): Remove.
9824 2006-02-26 Richard Guenther <rguenther@suse.de>
9826 PR tree-optimization/26421
9827 * tree-ssa-alias.c (find_used_portions): Don't treat parameters
9828 in function calls that are ADDR_EXPRs as using the whole structure.
9830 2006-02-26 Steven Bosscher <stevenb.gcc@gmail.com>
9832 * common.opt (-floop-optimize, -frerun-loop-opt): Remove.
9833 * tree-pass.h (pass_loop_optimize): Remove.
9834 * passes.c (pass_loop_optimize): Never run it.
9835 * toplev.c (backend_init): Don't call init_loop.
9836 * opts.c (flag_loop_optimize_set): Remove.
9837 (decode_options): Never set flag_loop_optimize or flag_rerun_loop_opt.
9838 (common_handle_option) <OPT_floop_optimize>: Remove. Don't disable
9839 the old RTL loop optimizer when profiling enabled.
9840 * predict.c (tree_estimate_probability): Always strip builtin_expect.
9841 * cfgcleanup.c (try_forward_edges): Don't avoid killing loop
9842 pre-headers for the sake of the old RTL loop optimizer.
9843 * Makefile.in: Remove all references to loop.o.
9845 * doc/invoke.texi: Remove all references to -floop-optimize
9846 and -frerun-loop-opt.
9848 2006-02-26 Zack Weinberg <zackw@panix.com>
9850 * doc/md.texi (Machine Constraints): Refer to all files with paths
9851 relative to gcc directory (i.e. config/CPU/file). Add missing
9852 @table @code ... @end table to M32C subsection.
9854 2006-02-26 Roger Sayle <roger@eyesopen.com>
9856 * fold-const.c (fold_binary) <BIT_XOR_EXPR>: Fold (X & 1) ^ 1 as
9858 <BIT_AND_EXPR>: Fold (X ^ 1) & 1 and ~X & 1 as (X & 1) == 0.
9860 2006-02-26 Roger Sayle <roger@eyesopen.com>
9861 James A. Morrison <phython@gcc.gnu.org>
9864 * fold-const.c (fold_binary) <EQ_EXPR>: Fold ((X>>C1)&C2) eq/ne 0,
9865 when C2 is a power of two, as either (X&(C2<<C1)) eq/ne 0 if the
9866 new constant C2<<C1, or as (X<0) or (X,false) depending upon the
9867 signedness of the shift operation.
9869 2006-02-26 Dorit Nuzman <dorit@il.ibm.com>
9871 PR tree-optimization/26359
9872 * tree-ssa-alias.c (new_type_alias): Set fields for new tag.
9874 2006-02-25 Roger Sayle <roger@eyesopen.com>
9876 * simplify-rtx.c (simplify_relational_operation_1): Simplify
9877 (X^Y) == 0 as X == Y and (X^Y) != 0 as X != Y. Simplify (X^Y) == Y
9878 as X == 0, and some symmetry related transformations.
9879 Simplify (X^C1) == C2 as X == (C1^C2). Split long comment line.
9881 2006-02-25 Roger Sayle <roger@eyesopen.com>
9884 * fold-const.c (fold_binary) <EQ_EXPR>: Fold (X^Y) == 0 as X == Y
9885 and (X^Y) != 0 as X != Y. Fold (X^Y) == Y as X == 0, and some
9886 symmetry related transformations. Fold (X^C1) == C2 as
9889 2006-02-25 Juergen Weigert <jw@suse.de>
9890 Richard Guenther <rguenther@suse.de>
9892 * scan-decls.c (scan_decls): Don't fetch new statement after CPP_EOF.
9894 2006-02-24 Adam Nemet <anemet@caviumnetworks.com>
9896 * combine.c (gen_lowpart_or_truncate): Call
9897 simplify_gen_unary(TRUNCATE, ...) instead of gen_rtx_TRUNCATE.
9899 2006-02-24 Diego Novillo <dnovillo@redhat.com>
9901 * doc/invoke.texi: Move -fopenmp description to "Options for
9903 Remove reference to -lgomp.
9905 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9907 * doc/install.texi: Require GNU tar version 1.14.
9909 2006-02-24 Geoffrey Keating <geoffk@apple.com>
9911 * doc/tm.texi (Run-time Target): Document C_COMMON_OVERRIDE_OPTIONS.
9912 * doc/invoke.texi (C++ Dialect Options): Document
9913 -fno-use-cxa-get-exception-ptr.
9914 * configure.ac: Define DEFAULT_USE_CXA_ATEXIT to 2 not 1.
9915 * configure: Regenerate.
9916 * c.opt (fuse-cxa-get-exception-ptr): New.
9917 * c-opts.c (c_common_handle_option): Handle
9918 OPT_fuse_cxa_get_exception_ptr.
9919 * c-common.c (flag_use_cxa_atexit): Update documentation.
9920 (flag_use_cxa_get_exception_ptr): New.
9921 * c-common.h (flag_use_cxa_get_exception_ptr): New.
9922 * config/rs6000/darwin.h (SUBTARGET_OVERRIDE_OPTIONS): Improve
9924 (C_COMMON_OVERRIDE_OPTIONS): New.
9926 2006-02-24 Roger Sayle <roger@eyesopen.com>
9929 * combine.c (try_combine): Explicitly check whether GET_CODE is
9930 a SET or a CLOBBER, instead on checking that it isn't a USE.
9932 2006-02-24 Roger Sayle <roger@eyesopen.com>
9934 * fold-const.c (fold_comparison): New subroutine of fold_binary
9935 containing transformations common to both the equality and
9936 ordering relational operators, factored out of fold_binary.
9937 (fold_binary): Separate out the equality operators (EQ_EXPR
9938 and NE_EXPR) from the ordering operators (LT_EXPR, GT_EXPR,
9939 LE_EXPR and GE_EXPR), calling fold_comparison to perform the
9940 transformations common to both.
9941 (fold_div_compare): Fix latent bugs in the previously unreachable
9942 LT_EXPR and GE_EXPR cases.
9944 2006-02-24 David Edelsohn <edelsohn@gnu.org>
9946 * config/rs6000/rs6000.c (rs6000_init_builtins): Change
9947 decl libname for clog to __clog on AIX.
9949 * config/rs6000/xcoff.h (MAX_OFILE_ALIGNMENT): Define.
9951 2006-02-24 Alan Modra <amodra@bigpond.net.au>
9954 * config/rs6000/rs6000.c (rs6000_output_function_epilogue): Don't
9955 output traceback table for thunks. Localise rs6000_stack_info call.
9957 2006-02-23 Roger Sayle <roger@eyesopen.com>
9958 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
9960 * gthr-posix.h (__gthrw): Fix typo in comment.
9962 2006-02-23 Geoffrey Keating <geoffk@apple.com>
9964 * doc/cpp.texi (Character sets): Document that we do support
9965 input files to be in any character set.
9967 2006-02-23 Jeff Law <law@redhat.com>
9969 * tree.h (PHI_ARG_NONZERO): Remove.
9970 * tree-phinodes.c (add_phi_arg): No longer initialize PHI_ARG_NONZERO.
9971 (remove_phi_arg_num): No longer copy PHI_ARG_NONZERO from the old
9972 node to the new node.
9974 PR tree-optimization/26425
9975 * tree-vrp.c (vrp_visit_assignment): If the LHS's type has a NULL
9976 min/max, then assume its varying.
9978 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9980 PR rtl-optimization/26316
9981 * rtlanal.c (enum may_trap_p_flags): New.
9982 (may_trap_p_1): Take flags instead of unaligned_mems argument. Ignore
9983 MEM_NOTRAP_P if flags & MTP_AFTER_MOVE.
9984 (may_trap_p, may_trap_or_fault_p): Pass flags to may_trap_p_1.
9985 (may_trap_after_code_motion_p): New function.
9986 * loop-invariant.c (find_identical_invariants): Fix dump formating.
9987 (find_invariant_insn): Use may_trap_after_code_motion_p.
9988 * rtl.h (may_trap_after_code_motion_p): Declare.
9990 2006-02-23 Zdenek Dvorak <dvorakz@suse.cz>
9992 * emit-rtl.c (immed_double_const): Cleanup.
9994 2006-02-23 Daniel Berlin <dberlin@dberlin.org>
9996 Fix PR tree-optimization/26376
9997 * tree-ssa-structalias.c (find_func_aliases): Use get_id_for_tree,
10000 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10002 PR middle-end/26412
10003 * gimplify.c (omp_add_variable): Guard variable size decl test with
10004 DECL_SIZE (decl) check.
10006 2006-02-23 Richard Guenther <rguenther@suse.de>
10008 PR middle-end/26439
10009 * tree-ssa-structalias.c (find_func_aliases): Handle complex types
10010 like aggregate types.
10012 2006-02-23 Jakub Jelinek <jakub@redhat.com>
10014 * configure.ac: Add --with{,out}-long-double-128 configure option.
10015 (TARGET_DEFAULT_LONG_DOUBLE_128): New test.
10016 * configure: Rebuilt.
10017 * config.in: Rebuilt.
10018 * doc/install.texi (Options specification): Document
10019 --with-long-double-128.
10021 * config/rs6000/linux.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10022 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10023 * config/rs6000/linux64.h [TARGET_DEFAULT_LONG_DOUBLE_128]
10024 (RS6000_DEFAULT_LONG_DOUBLE_SIZE): Define to 128.
10026 2006-02-23 Aldy Hernandez <aldyh@redhat.com>
10028 * config/s390/s390.c (override_options): Handle
10029 TARGET_DEFAULT_LONG_DOUBLE_128.
10031 * config/alpha/alpha.c (override_options): Handle
10032 TARGET_DEFAULT_LONG_DOUBLE_128.
10034 * config/sparc/sparc.c (sparc_override_options): Handle
10035 TARGET_DEFAULT_LONG_DOUBLE_128.
10037 2006-02-22 Daniel Jacobowitz <dan@codesourcery.com>
10039 * Makefile.in (stmp-fixinc): Use real-$(INSTALL_HEADERS_DIR).
10040 (real-install-headers-tar, real-install-headers-cpio)
10041 (real-install-headers-cp): New targets.
10043 2006-02-22 Richard Sandiford <richard@codesourcery.com>
10045 * tree.h (variable_section): Delete.
10046 * varasm.c (variable_section): Delete.
10048 2006-02-22 Paolo Bonzini <bonzini@gnu.org>
10050 * install.texi: Add notes on install.texi2html.
10051 (Building in parallel): Do not use footnotes.
10053 2006-02-21 Aldy Hernandez <aldyh@redhat.com>
10056 * doc/install.texi (Configuration): Document --disable-libgomp.
10058 2006-02-21 Geoffrey Keating <geoffk@apple.com>
10060 * config/i386/darwin.h (DWARF2_FRAME_REG_OUT): New.
10062 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10064 * config/i386/sse.md (vec_extractv2df_1_sse): New.
10065 (vec_extractv2df_0_sse): New.
10067 2006-02-21 Alexandre Oliva <aoliva@redhat.com>
10069 * defaults.h (CFA_FRAME_BASE_OFFSET): Define.
10070 * config/ia64/ia64.h (CFA_FRAME_BASE_OFFSET): Override.
10071 * doc/tm.texi (CFA_FRAME_BASE_OFFSET): Document.
10072 * dwarf2out.c (build_cfa_loc): New offset parameter. Add it
10073 to the result of the expression.
10074 (def_cfa_1): Adjust.
10075 (frame_pointer_cfa_offset): Rename to...
10076 (frame_pointer_fb_offset): ... this. Adjust all uses.
10077 (convert_cfa_to_loc_list): Rename to...
10078 (convert_cfa_to_fb_loc_list): ... this. New offset parameter.
10079 Pass it on to build_cfa_loc.
10080 (compute_frame_pointer_to_cfa_displacement): Rename to...
10081 (compute_frame_pointer_to_fb_displacement): ... this. New
10082 offset parameter. Use it in computation.
10083 (gen_subprogram_die): Compute cfa_fb_offset with the new
10084 macro, and use it to compute the fb loc list and the
10087 2006-02-21 Bernd Schmidt <bernd.schmidt@analog.com>
10089 * config/bfin/predicates.md (cc_operand): Delete predicate. All uses
10090 replaced with register_operand.
10091 * config/bfin/bfin.c (bfin_register_move_cost): Moving CC to any
10092 non-DREG is expensive.
10093 * config/bfin/bfin.h (FIXED_REGISTERS): CC isn't fixed.
10094 * config/bfin/bfin.md (movbi): Fix constraints and template for moves
10097 2006-02-21 Joseph S. Myers <joseph@codesourcery.com>
10099 * doc/install.texi2html: Use set -e.
10101 2006-02-21 Richard Sandiford <richard@codesourcery.com>
10103 * doc/tm.texi (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10104 (ASM_OUTPUT_SHARED_LOCAL): Delete.
10105 * doc/invoke.texi (-fshared-data): Delete.
10106 * common.opt (fshared-data): Delete.
10107 * varasm.c (asm_emit_uninitialised): Remove flag_shared_data handling.
10108 (assemble_static_space): Remove #if 0 code.
10109 * system.h (ASM_OUTPUT_SHARED_COMMON, ASM_OUTPUT_SHARED_BSS)
10110 (ASM_OUTPUT_SHARED_LOCAL): Poison.
10111 * config/cris/cris.h: Remove FIXME.
10113 2006-02-21 Paolo Bonzini <bonzini@gnu.org>
10115 * doc/sourcebuild.texi (Front End Directory): No more double-colon
10118 2006-02-21 Jakub Jelinek <jakub@redhat.com>
10120 PR middle-end/26379
10121 * combine.c (simplify_shift_const_1): Disable nested shifts
10122 optimization for vector shifts.
10124 2006-02-20 Roger Sayle <roger@eyesopen.com>
10126 PR tree-optimization/26361
10127 * tree-vrp.c (extract_range_from_unary_expr): Handle NEGATE_EXPR
10128 of unsigned integer types.
10130 2006-02-20 Sebastian Pop <pop@cri.ensmp.fr>
10132 * tree-chrec.c (eq_evolutions_p): New.
10133 * tree-chrec.h (eq_evolutions_p): Declared.
10134 * tree-data-ref.c: Fix formatting.
10135 (datadep_stats, dependence_stats): New.
10137 (print_direction_vector): New.
10138 (dump_data_dependence_relation): Use print_direction_vector.
10139 (object_analysis, create_data_ref): Handle COMPONENT_REF.
10140 (compute_subscript_distance): Static.
10141 (initialize_data_dependence_relation): Static. Get the number
10142 of loops surrounding the references from the callers, and initialize
10143 DDR_SIZE_VECT to nb_loops. Use both base_addr_differ_p and
10144 base_object_differ_p analyzers.
10145 (analyze_ziv_subscript, analyze_siv_subscript_cst_affine,
10146 compute_overlap_steps_for_affine_1_2,
10147 analyze_subscript_affine_affine): Count the classified dependences.
10148 Print a message when a test failed.
10149 (can_use_analyze_subscript_affine_affine): New.
10150 (analyze_siv_subscript): Compute the data dependences on symbolic
10151 scevs that verify can_use_analyze_subscript_affine_affine.
10152 (chrec_steps_divide_constant_p): Returns true, false, or unknown.
10153 (analyze_miv_subscript): Update use of chrec_steps_divide_constant_p.
10154 Handle symbolic scevs.
10155 (analyze_overlapping_iterations): Let symbolic affine scevs to be
10157 (subscript_dependence_tester): Moved...
10158 (build_classic_dist_vector, build_classic_dir_vector): Don't use
10159 lambda_vector_clear on newly allocated vectors. Get nb_loops from
10160 DDR_SIZE_VECT instead of getting it in parameter.
10161 (subscript_dependence_tester): ... here. Take as a parameter
10162 loop_nest_depth. Call build_classic_dist_vector and
10163 build_classic_dir_vector.
10164 (compute_affine_dependence): Update subscript_dependence_tester
10165 parameters. Update datadep_stats counters. Call
10166 compute_subscript_distance.
10167 (compute_self_dependence): Save the dist and dir vectors. Call
10168 compute_subscript_distance.
10169 (ddr_p, DEF_VEC_P(ddr_p), DEF_VEC_ALLOC_P(ddr_p,heap)): Moved...
10170 (compute_all_dependences): Reorder parameters as they were before
10171 conversion to VEC. Pass nb_loops and loop_nest_depth. Don't call
10172 compute_subscript_distance. Update the use of
10173 compute_affine_dependence and initialize_data_dependence_relation.
10174 (find_data_references_in_loop): Handle COMPONENT_REF.
10175 (compute_data_dependences_for_loop): Initialize dependence_stats.
10176 Don't call build_classic_dist_vector and build_classic_dir_vector.
10177 Update the parameters of initialize_data_dependence_relation and
10178 compute_all_dependences. Print the statistics from datadep_stats.
10179 (analyze_all_data_dependences): Static. Not used until the pass for
10180 checking the data dependences is contributed.
10181 * tree-data-ref.h (ddr_p, DEF_VEC_P(ddr_p),
10182 DEF_VEC_ALLOC_P(ddr_p,heap)): ... here.
10183 (initialize_data_dependence_relation, compute_affine_dependence,
10184 analyze_all_data_dependences, compute_subscript_distance): Removed.
10185 (print_direction_vector): New.
10186 * lambda.h (gcd): ... here.
10187 (lambda_vector_gcd): Moved here from gcd_vector.
10188 * lambda-code.c (gcd, gcd_vector): Removed.
10189 (lambda_compute_target_space): Use lambda_vector_gcd. Fix formatting.
10190 * Makefile.in (tree-vect-patterns.o): Depends on TREE_DATA_REF_H.
10192 2006-02-20 Diego Novillo <dnovillo@redhat.com>
10194 * ipa-type-escape.c: Tidy some comments and white space.
10195 * tree-ssa-operands.c: Likewise.
10197 2006-02-20 Andrew Pinski <pinskia@physics.uc.edu>
10200 * tree-pretty-print.c (debug_tree_chain): Walk the chains.
10201 (dump_decl_name): Do not walk the decl tree chains.
10202 * tree-pass.h (TDF_CHAIN): Remove.
10204 2006-02-20 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10206 * Makefile.in (C): Remove
10208 (.PHONY): Remove C and PROTO
10210 2006-02-20 Roger Sayle <roger@eyesopen.com>
10212 PR middle-end/26236
10213 * doc/c-tree.texi (INTEGER_TYPE): Remove reference to the now
10214 deprecated CHAR_TYPE tree code.
10216 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10218 * configure.ac (target_list): Add install-info, dvi, html.
10219 * configure: Regenerate.
10221 * ada/Make-lang.in, cp/Make-lang.in, fortran/Make-lang.in,
10222 java/Make-lang.in, objc/Make-lang.in, objcp/Make-lang.in,
10223 treelang/Make-lang.in: Do not use double-colon rules.
10225 2006-02-20 Daniel Berlin <dberlin@dberlin.org>
10227 * tree.h (struct tree_memory_tag): Add is_used_alone member.
10228 (TMT_USED_ALONE): New macro.
10229 * tree-pass.h (PROP_tmt_usage): New property.
10230 (TODO_update_tmt_usage): New todo.
10231 * tree-ssa-alias.c (updating_used_alone): New variable.
10232 (recalculate_used_alone): New function.
10233 (compute_may_aliases): Set updating_used_alone, call
10234 recalculate_used_alone.
10235 * tree-sra.c (pass_sra): Note that this pass destroys
10236 PROP_tmt_usage, and add TODO_update_tmt_usage.
10237 * tree-ssa-forwprop.c (pass_forwprop): Ditto.
10238 * tree-flow.h (updating_used_alone): Prototype.
10239 (recalculate_used_alone): Ditto.
10240 * passes.c (execute_todo): Add code to set updating_used_alone,
10241 and call recalculate.
10242 * tree-ssa-operands.c (add_virtual_operand): Only append bare def
10243 for clobber if used alone, and add assert to verify used_alone
10246 2006-02-20 Angel Nunez Mencias <anunez@de.ibm.com>
10248 * config/s390/s390.c (legitimize_pic_address): Assertions checking
10249 for non tls symbols added.
10250 (legitimize_address): Do nothing for PLUS expressions if one of the
10251 addends is a tls symbol reference.
10253 2006-02-20 Paolo Bonzini <bonzini@gnu.org>
10257 * Makefile.in (LDFLAGS): Define from autoconf substitution.
10259 * Makefile.in (BOOTSTRAPPING): New.
10260 (quickstrap): New definition if BOOTSTRAPPING=yes.
10262 * Makefile.in (CONFIG_LANGUAGES): Substitute all_selected_languages.
10263 * configure.ac: Substitute all_selected_languages with the languages
10264 that were configured. For all the other variables except
10265 lang_specs_files, include all the languages in the tree.
10266 * configure: Regenerate.
10268 * Makefile.in (stmp-fixinc): Copy includes from the prev-gcc directory,
10269 if there is one. Run the commands to run fixincludes in the same
10272 * doc/makefile.texi: Document new makefile targets from toplevel bootstrap.
10273 * doc/install.texi: Document exact conventions for searching target tools.
10274 Document --with-build-time-tools. Document toplevel bootstrap. Document
10275 something more about building an Ada cross-compiler. Don't list GNU Make
10276 requirements which affect all platforms.
10278 2006-02-19 Roger Sayle <roger@eyesopen.com>
10280 PR middle-end/19543
10281 * varasm.c (compare_constant) <INTEGER_CST>: Integer constants are
10282 only equivalent if the have both the same mode and precision.
10284 2006-02-20 Ben Elliston <bje@au.ibm.com>
10286 * doc/tree-ssa.texi (Interfaces): Describe low vs. high GIMPLE.
10288 2006-02-19 Roger Sayle <roger@eyesopen.com>
10289 Steven Bosscher <stevenb.gcc@gmail.com>
10291 * gcse.c (want_to_gcse_p): On STACK_REGS targets, look through
10292 constant pool references to identify stack mode constants.
10293 * rtlanal.c (constant_pool_constant_p): New predicate to check
10294 whether operand is a floating point constant in the pool.
10295 * rtl.h (constant_pool_constant_p): Prototype here.
10296 * loop.c (scan_loop): Avoid hoisting constants from the constant
10297 pool on STACK_REGS targets.
10298 (load_mems): Likewise.
10299 * loop-invariant.c (get_inv_cost): Make hoisting constant pool
10300 loads into x87 registers expensive in terms of register pressure.
10302 2006-02-19 Roger Sayle <roger@eyesopen.com>
10304 * gthr-posix.h: On Tru64, map __gthr_foo as a weak reference to
10305 __foo and not foo when _PTHREAD_USE_MANGLED_NAMES_ is defined.
10307 2006-02-19 David Edelsohn <edelsohn@gnu.org>
10309 * config/rs6000/xcoff.h (TARGET_ASM_OUTPUT_ANCHOR): Define.
10310 * config/rs6000/rs6000.c (rs6000_xcoff_asm_output_anchor): Define.
10312 2006-02-19 Daniel Berlin <dberlin@dberlin.org>
10314 * doc/invoke.texi: Document -fipa-pta.
10315 * common.opt: Add ipa-pta option.
10316 * tree-ssa-structalias.c (DONT_PROPAGATE_WITH_ANYTHING): Removed.
10317 (do_sd_constraint): Enable DONT_PROPAGATE_WITH_ANYTHING code.
10318 (do_ds_constraint): Ditto.
10319 (get_constraint_for): Only add to referenced_vars if
10320 referenced_vars exists.
10321 (insert_into_field_list): Rewrite to do this unsorted.
10322 (insert_into_field_list_sorted): Rename old insert_into_field_list
10324 (create_function_info_for): Use insert_into_field_list_sorted.
10325 (create_variable_info_for): Rewrite so it uses unsorted version,
10326 since the field list is sorted.
10327 (intra_create_variable_infos): Only add to referenced_vars if
10328 referenced_vars exists.
10329 (ipa_pta_execute): Init heapvars, and delete when done.
10330 * passes.c (init_optimization_passes): Add call to pass_ipa_pta.
10332 2006-02-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10334 * doc/install.texi: Add missing `@samp'.
10336 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10338 * config/rs6000/darwin.h (ASM_OUTPUT_SPECIAL_POOL_ENTRY_P):
10341 2006-02-18 Mark Wielaard <mark@klomp.org>
10343 * doc/contrib.texi (Contributors): Add classpath/libgcj hackers
10344 who added new 4.1 features, bug fixes and integration support.
10346 2006-02-18 David Edelsohn <edelsohn@gnu.org>
10349 * config/rs6000/rs6000.md (extenddftf2): Force 0.0 to validized
10350 MEM for ABI_V4 pic.
10352 2006-02-18 Richard Sandiford <richard@codesourcery.com>
10354 * cselib.c (cselib_init): Change RTX_SIZE to RTX_CODE_SIZE.
10355 * emit-rtl.c (copy_rtx_if_shared_1): Use shallow_copy_rtx.
10356 (copy_insn_1): Likewise. Don't copy each field individually.
10358 * read-rtl.c (apply_macro_to_rtx): Use RTX_CODE_SIZE instead
10360 * reload1.c (eliminate_regs): Use shallow_copy_rtx.
10361 * rtl.c (rtx_size): Rename variable to...
10362 (rtx_code_size): ...this.
10363 (rtx_size): New function.
10364 (rtx_alloc_stat): Use RTX_CODE_SIZE instead of RTX_SIZE.
10365 (copy_rtx): Use shallow_copy_rtx. Don't copy each field individually.
10367 (shallow_copy_rtx_stat): Use rtx_size instead of RTX_SIZE.
10368 * rtl.h (rtx_code_size): New variable.
10369 (rtx_size): Change from a variable to a function.
10370 (RTX_SIZE): Rename to...
10371 (RTX_CODE_SIZE): ...this.
10374 PR tree-optimization/17106
10375 * doc/tm.texi (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Document.
10376 (Anchored Addresses): New section.
10377 * doc/invoke.texi (-fsection-anchors): Document.
10378 * doc/rtl.texi (SYMBOL_REF_IN_BLOCK_P, SYMBOL_FLAG_IN_BLOCK): Likewise.
10379 (SYMBOL_REF_ANCHOR_P, SYMBOL_FLAG_ANCHOR): Likewise.
10380 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): Likewise.
10381 * hooks.c (hook_bool_mode_rtx_false): New function.
10382 * hooks.h (hook_bool_mode_rtx_false): Declare.
10383 * gengtype.c (create_optional_field): New function.
10384 (adjust_field_rtx_def): Add the "block_sym" field for SYMBOL_REFs when
10385 SYMBOL_REF_IN_BLOCK_P is true.
10386 * target.h (output_anchor, use_blocks_for_constant_p): New hooks.
10387 (min_anchor_offset, max_anchor_offset): Likewise.
10388 (use_anchors_for_symbol_p): New hook.
10389 * toplev.c (compile_file): Call output_object_blocks.
10390 (target_supports_section_anchors_p): New function.
10391 (process_options): Check that -fsection-anchors is only used on
10392 targets that support it and when -funit-at-a-time is in effect.
10393 * tree-ssa-loop-ivopts.c (prepare_decl_rtl): Only create DECL_RTL
10394 if the decl doesn't have one.
10395 * dwarf2out.c: Remove instantiations of VEC(rtx,gc).
10396 * expr.c (emit_move_multi_word, emit_move_insn): Pass the result
10397 of force_const_mem through use_anchored_address.
10398 (expand_expr_constant): New function.
10399 (expand_expr_addr_expr_1): Call it. Use the same modifier when
10400 calling expand_expr for INDIRECT_REF.
10401 (expand_expr_real_1): Pass DECL_RTL through use_anchored_address
10402 for all modifiers except EXPAND_INITIALIZER. Use expand_expr_constant.
10403 * expr.h (use_anchored_address): Declare.
10404 * loop-unroll.c: Don't declare rtx vectors here.
10405 * explow.c: Include output.h.
10406 (validize_mem): Call use_anchored_address.
10407 (use_anchored_address): New function.
10408 * common.opt (-fsection-anchors): New switch.
10409 * varasm.c (object_block_htab, anchor_labelno): New variables.
10410 (hash_section, object_block_entry_eq, object_block_entry_hash)
10411 (use_object_blocks_p, get_block_for_section, create_block_symbol)
10412 (use_blocks_for_decl_p, change_symbol_section): New functions.
10413 (get_variable_section): New function, split out from assemble_variable.
10414 (make_decl_rtl): Create a block symbol if use_object_blocks_p and
10415 use_blocks_for_decl_p say so. Use change_symbol_section if the
10416 symbol has already been created.
10417 (assemble_variable_contents): New function, split out from...
10418 (assemble_variable): ...here. Don't output any code for
10419 block symbols; just pass them to place_block_symbol.
10420 Use get_variable_section and assemble_variable_contents.
10421 (get_constant_alignment, get_constant_section, get_constant_size): New
10422 functions, split from output_constant_def_contents.
10423 (build_constant_desc): Create a block symbol if use_object_blocks_p
10424 says so. Or into SYMBOL_REF_FLAGS.
10425 (assemble_constant_contents): New function, split from...
10426 (output_constant_def_contents): ...here. Don't output any code
10427 for block symbols; just pass them to place_section_symbol.
10428 Use get_constant_section and get_constant_alignment.
10429 (force_const_mem): Create a block symbol if use_object_blocks_p and
10430 use_blocks_for_constant_p say so. Or into SYMBOL_REF_FLAGS.
10431 (output_constant_pool_1): Add an explicit alignment argument.
10432 Don't switch sections here.
10433 (output_constant_pool): Adjust call to output_constant_pool_1.
10434 Switch sections here instead. Don't output anything for block symbols;
10435 just pass them to place_block_symbol.
10436 (init_varasm_once): Initialize object_block_htab.
10437 (default_encode_section_info): Keep the old SYMBOL_FLAG_IN_BLOCK.
10438 (default_asm_output_anchor, default_use_aenchors_for_symbol_p)
10439 (place_block_symbol, get_section_anchor, output_object_block)
10440 (output_object_block_htab, output_object_blocks): New functions.
10441 * target-def.h (TARGET_ASM_OUTPUT_ANCHOR): New macro.
10442 (TARGET_ASM_OUT): Include it.
10443 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): New macro.
10444 (TARGET_MIN_ANCHOR_OFFSET, TARGET_MAX_ANCHOR_OFFSET): New macros.
10445 (TARGET_USE_ANCHORS_FOR_SYMBOL_P): New macro.
10446 (TARGET_INITIALIZER): Include them.
10447 * rtl.c (rtl_check_failed_block_symbol): New function.
10448 * rtl.h: Include vec.h. Declare heap and gc rtx vectors.
10449 (block_symbol, object_block): New structures.
10450 (rtx_def): Add a block_symbol field to the union.
10451 (BLOCK_SYMBOL_CHECK): New macro.
10452 (rtl_check_failed_block_symbol): Declare.
10453 (SYMBOL_FLAG_IN_BLOCK, SYMBOL_FLAG_ANCHOR): New SYMBOL_REF flags.
10454 (SYMBOL_REF_IN_BLOCK_P, SYMBOL_REF_ANCHOR_P): New predicates.
10455 (SYMBOL_FLAG_MACH_DEP_SHIFT): Bump by 2.
10456 (SYMBOL_REF_BLOCK, SYMBOL_REF_BLOCK_OFFSET): New accessors.
10457 * output.h (output_section_symbols): Declare.
10458 (object_block): Name structure.
10459 (place_section_symbol, get_section_anchor, default_asm_output_anchor)
10460 (default_use_anchors_for_symbol_p): Declare.
10461 * Makefile.in (RTL_BASE_H): Add vec.h.
10462 (explow.o): Depend on output.h.
10463 * config/rs6000/rs6000.c (TARGET_MIN_ANCHOR_OFFSET): Override default.
10464 (TARGET_MAX_ANCHOR_OFFSET): Likewise.
10465 (TARGET_USE_BLOCKS_FOR_CONSTANT_P): Likewise.
10466 (rs6000_use_blocks_for_constant_p): New function.
10468 2006-02-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10470 * doc/install.texi (hppa*-hp-hpux*): Update for 4.1.0.
10472 2006-02-18 Andrew Pinski <pinskia@physics.uc.edu>
10475 * tree-ssa-ccp.c (ccp_fold): Handle store CCP of REALPART_EXPR and
10478 2006-02-18 Diego Novillo <dnovillo@redhat.com>
10480 * tree-flow.h (struct var_ann_d): Rename field is_alias_tag to
10484 2006-02-18 Jakub Jelinek <jakub@redhat.com>
10486 PR middle-end/26334
10487 * stmt.c (decl_overlaps_hard_reg_set_p): Use DECL_HARD_REGISTER
10488 instead of DECL_REGISTER.
10490 2006-02-18 Olivier Hainque <hainque@adacore.com>
10493 * pa.h (WIDEST_HARDWARE_FP_SIZE): Define.
10495 2006-02-18 Joseph S. Myers <joseph@codesourcery.com>
10498 * config.gcc: Define UCLIBC_DEFAULT to 0 or 1.
10499 * opth-gen.awk: Handle Var and InverseMask together.
10500 * config/linux.opt (muclibc, mglibc): Use Var(linux_uclibc).
10501 * config/linux.h: Use #if not #ifdef for testing UCLIBC_DEFAULT.
10502 (TARGET_C99_FUNCTIONS): Test OPTION_GLIBC not TARGET_GLIBC.
10503 (CHOOSE_DYNAMIC_LINKER): Give an error for -mglibc and -muclibc
10505 (UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10506 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10507 * config/alpha/linux-elf.h (GLIBC_DYNAMIC_LINKER,
10508 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10509 LINUX_DYNAMIC_LINKER): Define.
10510 (ELF_DYNAMIC_LINKER): Define to LINUX_DYNAMIC_LINKER.
10511 * config/alpha/linux.h (TARGET_C99_FUNCTIONS): Define to
10513 * config/cris/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10514 (CRIS_LINK_SUBTARGET_SPEC): Pass a -dynamic-linker option.
10515 * config/frv/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10516 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10517 (TARGET_C99_FUNCTIONS): Don't define.
10518 * config/i386/linux.h (DYNAMIC_LINKER): Rename to
10519 GLIBC_DYNAMIC_LINKER.
10520 (SUBTARGET_EXTRA_SPECS): Use LINUX_DYNAMIC_LINKER.
10521 * config/i386/linux64.h (GLIBC_DYNAMIC_LINKER32,
10522 GLIBC_DYNAMIC_LINKER64): Define.
10523 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10524 LINUX_DYNAMIC_LINKER64.
10525 * config/ia64/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10526 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10527 * config/m32r/linux.h (GLIBC_DYNAMIC_LINKE): Define.
10528 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10529 * config/m68k/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10530 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10531 * config/mips/linux64.h (GLIBC_DYNAMIC_LINKER32,
10532 GLIBC_DYNAMIC_LINKER64, GLIBC_DYNAMIC_LINKERN32,
10533 UCLIBC_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKERN32): Define.
10534 (LINK_SPEC): Use LINUX_DYNAMIC_LINKERN32, LINUX_DYNAMIC_LINKER64
10535 and LINUX_DYNAMIC_LINKER32.
10536 * config/mn10300/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10537 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10538 * config/pa/pa-linux.h (GLIBC_DYNAMIC_LINKER): Define.
10539 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10540 * config/rs6000/linux.h (TARGET_C99_FUNCTIONS): Define to
10542 * config/rs6000/linux64.h (TARGET_C99_FUNCTIONS): Likewise.
10543 (GLIBC_DYNAMIC_LINKER32, GLIBC_DYNAMIC_LINKER64,
10544 UCLIBC_DYNAMIC_LINKER32, UCLIBC_DYNAMIC_LINKER64,
10545 CHOOSE_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10546 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10547 (LINK_OS_LINUX_SPEC32): Use LINUX_DYNAMIC_LINKER32.
10548 (LINK_OS_LINUX_SPEC64): Use LINUX_DYNAMIC_LINKER64.
10549 * config/rs6000/sysv4.h (GLIBC_DYNAMIC_LINKER,
10550 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10551 LINUX_DYNAMIC_LINKER): Define.
10552 (LINK_OS_LINUX_SPEC): Use LINUX_DYNAMIC_LINKE.
10553 * config/s390/linux.h (GLIBC_DYNAMIC_LINKER32,
10554 GLIBC_DYNAMIC_LINKER64): Define.
10555 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER32 and
10556 LINUX_DYNAMIC_LINKER64.
10557 * config/sh/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10558 (SUBTARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10559 * config/sparc/linux.h (GLIBC_DYNAMIC_LINKER,
10560 UCLIBC_DYNAMIC_LINKER, CHOOSE_DYNAMIC_LINKER,
10561 LINUX_DYNAMIC_LINKER): Define.
10562 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10563 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10564 * config/sparc/linux64.h (GLIBC_DYNAMIC_LINKER32,
10565 GLIBC_DYNAMIC_LINKER64, UCLIBC_DYNAMIC_LINKER32,
10566 UCLIBC_DYNAMIC_LINKER64, CHOOSE_DYNAMIC_LINKER,
10567 LINUX_DYNAMIC_LINKER32, LINUX_DYNAMIC_LINKER64): Define.
10568 (LINK_ARCH32_SPEC): Use LINUX_DYNAMIC_LINKER32.
10569 (LINK_ARCH64_SPEC, LINK_SPEC): Use LINUX_DYNAMIC_LINKER64.
10570 (TARGET_C99_FUNCTIONS): Define to TARGET_GLIBC.
10571 * config/xtensa/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10572 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10573 * doc/invoke.texi (-muclibc): Remove caveat about supported
10576 2006-02-17 Grigory Zagorodnev <grigory_zagorodnev@linux.intel.com>
10578 * doc/cpp.texi (__TIMESTAMP__): Document.
10580 2006-02-17 Roger Sayle <roger@eyesopen.com>
10582 PR middle-end/25600
10583 * fold-const.c (fold_binary): Fold (X >> C) != 0 into X < 0 when
10584 C is one less than the width of X (and related transformations).
10585 * simplify-rtx.c (simplify_unary_operation_1): Transform
10586 (neg (lt x 0)) into either (ashiftrt X C) or (lshiftrt X C)
10587 depending on STORE_FLAG_VALUE, were C is one less then the
10590 2006-02-17 Daniel Berlin <dberlin@dberlin.org>
10592 Fix PR tree-optimization/26341
10593 * tree-ssa-operands.c (add_virtual_operand): Remove assert
10594 about NAME_MEMORY_TAG's.
10596 2006-02-17 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10599 * pa.md: Create separate HI and QI move patterns for 32-bit and 64-bit
10600 with hardware float support, and software float support. Add fcpy
10601 alternative to hardware patterns. Add alternatives to copy between
10602 general and floating-point registers to the 32-bit pattern.
10603 * pa.c (pa_secondary_reload): Don't abort if reload tries to find a
10604 secondary reload to load a QI or HI mode constant into a floating
10606 * pa32-regs.h (VALID_FP_MODE_P): Allow QImode and HImode.
10607 * pa64-regs.h (VALID_FP_MODE_P): Likewise.
10609 2006-02-17 Andrew Pinski <pinskia@physics.uc.edu>
10612 * config/rs6000/darwin.md (load_macho_picbase_si): Add
10614 (load_macho_picbase_di): Likewise.
10616 2006-02-16 Jeff Law <law@redhat.com>
10618 * tree-vrp.c (set_value_range_to_nonnegative): New function.
10619 (vrp_expr_computes_nonnegative, ssa_name_nonnegative_p): Likewise.
10620 (ssa_name_nonzero_p): Likewise.
10621 (get_value_range): Return NULL if VRP is not running.
10622 (extract_range_from_expr): Fallback to tree_expr_XXX_p if
10623 VRP routines do not discover a range.
10624 (vrp_finalize): Clear VR_VALUE to indicate VRP is not running.
10625 * tree.h (ssa_name_nonzero_p, ssa_name_nonnegative_p): Prototype.
10626 * fold-const.c (tree_expr_nonzero_p): For SSA_NAMEs, query VRP.
10627 (tree_expr_nonnegative_p): Similarly.
10628 * tree-ssa-dom.c (nonzero_vars, nonzero_vars_stack): Remove.
10629 (restore_nonzero_vars_to_original_value): Remove.
10630 (unsafe_associative_fp_binop): Remove.
10631 (tree_ssa_dominator_optimize): Remove initialization and
10632 finalization of nonzero_vars and nonzero_vars_stack.
10633 (dom_opt_initialize_block): No longer push marker on
10634 nonzero_vars_stack.
10635 (dom_opt_finalize_block): No longer call
10636 restore_nonzero_vars_to_original_value.
10637 (record_equivalences_from_phis): No longer look for
10638 nonzero PHI arguments.
10639 (cprop_into_successor_phis): No longer propagate nonzero
10640 property into PHI arguments. Lose unused argument. Caller
10642 (record_equivalences_from_stmt): No longer record nonzero
10643 values for SSA_NAMEs.
10644 (lookup_avail_expr): No longer use nonzero_vars.
10646 * stor-layout.c (set_sizetype): Set TYPE_MAX_VALUE properly
10647 for sizetype when sizetype is unsigned.
10649 2006-02-16 Denis Nagorny <denis_nagorny@linux.intel.com>
10651 PR rtl-optimization/25603
10652 * reload.c (reg_inc_found_and_valid_p): New. Check REG_INC note.
10653 (regno_clobbered_p): Use it. Reusing SETS argument for REG_INC case.
10654 * reload1.c (choose_reload_regs): Added call of regno_clobbered_p
10655 with new meaning of SETS.
10657 2006-02-16 Joseph S. Myers <joseph@codesourcery.com>
10662 * config/linux.opt: New file.
10663 * config/linux.h (CHOOSE_DYNAMIC_LINKER, UCLIBC_DYNAMIC_LINKER,
10664 LINUX_DYNAMIC_LINKER): Define.
10665 (TARGET_C99_FUNCTIONS): Define depending on TARGET_GLIBC.
10666 * config.gcc (*-*-linux*): Define extra_options.
10667 (*-*-*uclibc*): Define UCLIBC_DEFAULT.
10668 (arm*-*-linux-gnueabi): Change to arm*-*-linux-*eabi.
10669 * config/arm/linux-eabi.h (LINUX_TARGET_INTERPRETER): Change to
10670 GLIBC_DYNAMIC_LINKER.
10671 * config/arm/linux-elf.h (LINUX_TARGET_INTERPRETER): Likewise.
10672 (LINUX_TARGET_LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10673 * config/mips/linux.h (GLIBC_DYNAMIC_LINKER): Define.
10674 (LINK_SPEC): Use LINUX_DYNAMIC_LINKER.
10675 * doc/invoke.texi (GNU/Linux Options): New section.
10677 2006-02-16 Eric Botcazou <ebotcazou@libertysurf.fr>
10679 * config/sparc/sparc.md (setjmp): Rewrite.
10680 (setjmp_32): Delete.
10681 (setjmp_64): Likewise.
10683 2006-02-16 Daniel Berlin <dberlin@dberlin.org>
10685 * tree-ssa-operands.c (access_can_touch_variable): Fix typo in
10688 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10690 * loop-invariant.c (invariant_for_use, check_dependencies): Fail for
10693 2006-02-16 Zdenek Dvorak <dvorakz@suse.cz>
10695 PR rtl-optimization/26296
10696 * Makefile.in (loop-invariant.c): Add except.h dependency.
10697 * loop-invariant.c: Include except.h.
10698 (find_invariant_insn): Ignore insns satisfying can_throw_internal.
10700 2005-02-16 Paul Brook <paul@codesourcery.com>
10702 * reload1.c (emit_reload_insns): Invalidate dead input registers used
10705 2006-02-16 Bernd Schmidt <bernd.schmidt@analog.com>
10707 PR rtl-optimization/25636
10708 * local-alloc.c (update_equiv_regs): Lose a bogus rtx_equal_p test
10709 when deciding whether an insn is an initializing insn.
10711 2006-02-15 Daniel Berlin <dberlin@dberlin.org>
10713 * tree.c (init_ttree): Add STRUCT_FIELD_TAG handling.
10714 (tree_code_size): Ditto.
10715 * tree.h (struct tree_memory_tag): Remove parent_var.
10716 (struct tree_struct_field_tag): New.
10719 (union tree_node): Add sft member.
10720 * tree-ssa-alias.c (get_tmt_for): Don't handle TYPE_READONLY
10722 (create_sft): Add size and offset argument, set SFT_OFFSET and
10724 (create_overlap_variables_for): Update for SFT_OFFSET/SFT_SIZE.
10725 * treestruct.def: Add TS_STRUCT_FIELD_TAG.
10726 * tree-flow-inline.h (get_subvar_at): Update for
10727 SFT_OFFSET/SFT_SIZE.
10728 (var_can_have_subvars): Ditto.
10729 (overlap_subvar): Ditto.
10730 * print-tree.c (print_node): Print out interesting things for
10732 * tree-flow.h (struct subvar): Remove offset and size members.
10733 * tree-ssa-operands.c (get_expr_operands): Update for
10734 get_indirect_ref_operands changes.
10735 (get_indirect_ref_operands): Call add_virtual_operand instead of
10736 add_stmt_operand. Only recurse on base var if requested.
10737 (access_can_touch_variable): New function.
10738 (add_stmt_operand): Split virtual operand handling into ...
10739 (add_virtual_operand): Here. Add offset, size, and for_clobber
10740 arguments. Prune alias sets.
10741 (add_call_clobber_ops): Call add_virtual_operand.
10743 2006-02-15 Jakub Jelinek <jakub@redhat.com>
10745 PR middle-end/26300
10746 * combine.c (make_extraction): Bail out if ORIG_POS is negative.
10748 * tree.h (struct tree_omp_clause): Use OMP_CLAUSE_CODE rather
10749 than TREE_CODE as index into omp_clause_num_ops array.
10751 2006-02-15 Uttam Pawar <uttamp@us.ibm.com>
10753 PR rtl-optimization/26184
10754 * modulo-sched.c (generate_reg_moves): Free bitmap vector
10756 * modulo-sched.c (sms_schedule): Free g_arr pointer.
10757 * modulo-sched.c (sms_schedule_by_order): Free bitmap pointers
10758 must_precede, must_follow and tobe_scheduled.
10761 * opts.c (common_handle_option): Free new_option pointer.
10762 * df-core.c (df_analyze): Free postorder pointer.
10764 2006-02-15 Rafael Ávila de Espíndola <rafael.espindola@gmail.com>
10766 * Makefile.in: Fix the examples about the use of stamps
10768 2006-02-15 Michael Matz <matz@suse.de>
10770 PR middle-end/22275
10772 * stor-layout.c (layout_decl): Zero-width bitfields aren't
10773 influenced by maximum_field_alignment or DECL_PACKED.
10774 (update_alignment_for_field): Ditto.
10775 (place_field): Ditto.
10776 * doc/extend.texi (<#pragma pack>, <Type Attributes>): Document
10779 2006-02-15 Paolo Bonzini <bonzini@gnu.org>
10781 * cfg.c (dump_flow_info): Get dump flags as an additional parameter.
10782 (debug_flow_info): Pass it.
10783 * alias.c (rest_of_handle_cfg): Adjust calls to dump_flow_info.
10784 * bb-reorder.c (reorder_basic_blocks): Likewise.
10785 * cfgcleanup.c (rest_of_handle_jump2): Likewise.
10786 * cse.c (rest_of_handle_cse, rest_of_handle_cse2): Likewise.
10787 * flow.c (life_analysis, recompute_reg_usage): Likewise.
10788 * gcse.c (gcse_main, bypass_jumps): Likewise.
10789 * ifcvt.c (rest_of_handle_if_conversion): Likewise.
10790 * local-alloc.c (rest_of_handle_local_alloc): Likewise.
10791 * loop-init.c (rtl_loop_init, rtl_loop_done): Likewise.
10792 * profile.c (compute_branch_probabilities, branch_prob): Likewise.
10793 * rtl.h (dump_flow_info): Adjust prototype.
10794 * tracer.c (rest_of_handle_tracer, tracer): Likewise.
10795 * var-tracking.c (variable_tracking_main): Likewise.
10796 * passes.c (execute_todo): Obey TDF_BLOCKS for RTL.
10797 * tree-dump.c (enable_rtl_dump_file): Enable the details and blocks
10800 2006-02-15 Marcin Dalecki <martin@dalecki.de>
10802 * tree-ssa-dom.c (dom_thread_across_edge): fix tag expression
10805 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10807 PR tree-optimization/26209
10808 * tree-ssa-loop.c (pass_scev_cprop): Add TODO_cleanup_cfg.
10809 * tree-cfgcleanup.c (cleanup_control_flow): Remove dead
10811 * tree-cfg.c (replace_uses_by): Do not alter cfg.
10813 2006-02-14 Roger Sayle <roger@eyesopen.com>
10815 PR middle-end/23670
10816 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Optimize (X&Y)|Y into
10817 (X,Y) and the corresponding symmetry related transformations.
10818 (fold_binary) <BIT_AND_EXPR>: Likewise, optimize (X|Y)&Y into
10819 (X,Y) and its symmetry related transformations.
10821 2006-02-14 Roger Sayle <roger@eyesopen.com>
10823 * dojump.c (do_compare_rtx_and_jump): Also handle multi-word GTU
10826 2006-02-14 Adam Nemet <anemet@caviumnetworks.com>
10828 * simplify-rtx.c (simplify_subreg): Combine SUBREG and TRUNCATE.
10830 2006-02-14 Rainer Orth <ro@TechFak.Uni-Bielefeld.DE>
10833 * configure.ac (HAVE_COMDAT_GROUP): Don't assume non-GNU linkers
10834 support COMDAT group.
10835 * configure: Regenerate.
10837 2006-02-14 Roger Sayle <roger@eyesopen.com>
10839 PR middle-end/26279
10840 PR middle-end/26280
10841 PR middle-end/26283
10842 * dojump.c (do_compare_rtx_and_jump): Handle multi-word LE.
10844 2006-02-14 Daniel Berlin <dberlin@dberlin.org>
10846 Fix PR tree-optimization/26260
10848 * doc/invoke.texi (max-fields-for-field-sensitive): Document
10850 * params.h (MAX_FIELDS_FOR_FIELD_SENSITIVE): New.
10851 * params.def (PARAM_MAX_FIELDS_FOR_FIELD_SENSITIVE): Ditto.
10852 * tree-ssa-structalias.c (create_variable_info_for): Use
10853 MAX_FIELDS_FOR_FIELD_SENSITIVE.
10855 2006-02-14 Zdenek Dvorak <dvorakz@suse.cz>
10857 * doc/invoke.texi (-fprefetch-loop-arrays, -fprefetch-loop-arrays-rtl):
10859 * tree-ssa-loop-niter.c (number_of_iterations_ne,
10860 number_of_iterations_lt, number_of_iterations_cond): Remember the shape
10861 of the ending condition.
10862 * tree-ssa-loop-manip.c: Include params.h.
10863 (build_if_stmt, can_unroll_loop_p, determine_exit_conditions,
10864 tree_unroll_loop): New functions.
10865 * tree-pass.h (pass_loop_prefetch): Declare.
10866 * loop.c (rest_of_handle_loop_optimize): Test for
10867 -fprefetch-loop-arrays-rtl.
10868 * tree-scalar-evolution.h (affine_iv): Moved to tree-flow.h.
10869 * timevar.def (TV_TREE_PREFETCH): New timevar.
10870 * tree-ssa-loop.c (tree_ssa_loop_prefetch, gate_tree_ssa_loop_prefetch,
10871 pass_loop_prefetch): New.
10872 * tree-cfgcleanup.c: Include tree-scalar-evolution.h.
10873 (cleanup_tree_cfg_loop): Call scev_reset.
10874 * common.opt (fprefetch-loop-arrays-rtl): Add.
10875 * tree-ssa-loop-prefetch.c: New file.
10876 * tree-outof-ssa.c (struct value_expr_d): Add expr_vars field.
10877 (new_temp_expr_table): Initialize expr_vars.
10878 (free_temp_expr_table): Cleanup expr_vars.
10879 (check_replaceable, find_replaceable_in_bb): Prevent accumulating
10880 expressions from being merged into one.
10881 * tree-flow.h (affine_iv): Moved from tree-scalar-evolution.h.
10882 (struct tree_niter_desc): Add control, bound and cmp fields.
10883 (tree_ssa_prefetch_arrays, can_unroll_loop_p, tree_unroll_loop):
10885 * Makefile.in (tree-ssa-loop-prefetch.o): Add.
10886 (tree-cfgcleanup.o): Add SCEV_H dependency.
10887 (tree-ssa-loop-manip.o): Add PARAMS_H dependency.
10888 * passes.c (init_optimization_passes): Add pass_loop_prefetch.
10890 2006-02-14 Richard Guenther <rguenther@suse.de>
10892 PR tree-optimization/26258
10893 * tree-ssa-structalias.c (find_func_aliases): Handle aggregates
10894 in PHI argument processing.
10896 2006-02-13 Adam Nemet <anemet@caviumnetworks.com>
10898 * simplify-rtx.c (simplify_unary_operation_1) <TRUNCATE>: Return
10899 new expression in the requested machine mode.
10901 2006-02-13 Roger Sayle <roger@eyesopen.com>
10903 * optabs.c (expand_abs): Don't call do_jump_by_parts_greater_rtx
10904 directly, instead let do_compare_rtx_and_jump handle this for us.
10905 * expr.c (expand_expr_real_1): Likewise.
10906 * dojump.c (do_jump_by_parts_greater_rtx): Make static. Move
10907 before do_jump_by_parts_greater.
10908 (do_jump_by_parts_greater): Move after do_jump_by_parts_greater_rtx.
10909 * expr.h (do_jump_by_parts_greater_rtx): Delete prototype.
10911 2006-02-13 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
10913 * pa/quadlib.c: Use defines instead of enum qfcmp_magic.
10915 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10917 PR rtl-optimization/26235
10918 * loop-invariant.c (hash_invariant_expr_1): Handle 'i' and 'n' formats.
10919 (invariant_expr_equal_p): Handle 'i' and 'n' formats. Fail on unknown
10922 2006-02-13 Jeff Law <law@redhat.com>
10924 * tree-vrp.c (extract_range_from_binary_expr): Remove handling of
10927 2006-02-13 Jakub Jelinek <jakub@redhat.com>
10929 PR middle-end/26092
10930 * gimplify.c (gimplify_call_expr): Don't call get_callee_fndecl
10931 twice if decl is a builtin. When trying again, call get_callee_fndecl
10932 first to verify it is still a builtin.
10934 2006-02-13 Geoffrey Keating <geoffk@apple.com>
10936 * dwarf2out.c (base_type_die): Don't add AT_name here.
10937 (subrange_type_die): Don't add AT_name here.
10938 (modified_type_die): Rearrange code flow. Do add AT_name here.
10940 2006-02-13 Zdenek Dvorak <dvorakz@suse.cz>
10942 PR rtl-optimization/26247
10943 PR rtl-optimization/26248
10944 * loop-invariant.c (may_assign_reg_p): Do not allow VOIDmode.
10946 2006-02-13 Richard Sandiford <richard@codesourcery.com>
10948 * config/floatunditf.c: Use if __LDBL_MANT_DIG__ == 113.
10949 * config/fixtfdi.c: Likewise.
10950 * config/fixunstfdi.c: Likewise.
10951 * config/floatditf.c: Likewise.
10953 2006-02-13 Roger Sayle <roger@eyesopen.com>
10955 PR middle-end/24427
10956 * fold-const.c (fold_binary) <BIT_IOR_EXPR>: Transform (X&C1)|C2
10957 into (X,C2) if C1 is a subset of the bits of C2. Transform
10958 (X&C1)|C2 into X|C2 if C1|C2 == ~0. Canonicalize (X&C1)|C2 as
10960 <BIT_AND_EXPR>: Canonicalize (X|C1)&C2 as (X&C2)|(C1&C2).
10962 2006-02-13 Josh Conner <jconner@apple.com>
10965 * varasm.c (function_section): Check for section name before
10966 calling select_section on targets that define
10967 USE_SELECT_SECTION_FOR_FUNCTIONS. On other targets, use
10968 unlikely_text_section instead of hot_function_section if
10969 first_function_block_is_cold.
10971 2006-02-13 J"orn Rennecke <joern.rennecke@st.com>
10973 PR middle-end/25335
10974 * reload1.c (gen_reload): Also use find_replacement in UNARY_P case.
10976 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
10978 PR rtl-optimization/26222
10979 * function.c (assign_stack_temp_for_type): Do not reuse stack slots
10980 after tree->rtl expansion.
10981 * loop-invariant.c (move_invariant_reg): Use force_operand on rhs
10982 before passing it to emit_move_insn.
10984 2006-02-12 Gabriel Dos Reis <gdr@integrable-solutions.net>
10986 * doc/invoke.texi (-Write-strings): Document that it is enabled by
10988 * c.opt (-Wwrite-strings): Declare variable warn_write_strings.
10989 Clarify documentation.
10990 * c-common.h (warn_write_strings): Remove.
10991 * c-common.c (warn_write_strings): Likewise.
10992 * c-opts.c (c_common_init_options): Enable -Wwrite-strings by
10995 2006-02-12 Roger Sayle <roger@eyesopen.com>
10997 PR middle-end/25724
10998 * dojump.c (do_jump): Call do_compare_rtx_and_jump.
10999 (do_jump_parts_zero_rtx): New function renamed from
11000 do_jump_parts_equality_rtx. Made static. Add a mode argument.
11001 (do_jump_parts_equality_rtx): New function split out from
11002 do_jump_parts_equality. Old implementation renamed as above.
11003 Call do_jump_parts_zero_rtx if either operand is zero.
11004 (do_jump_parts_equality): Call do_jump_parts_equality_rtx to
11005 do all of the heavy lifting.
11006 (do_compare_rtx_and_jump): Handle multi-word comparisons by
11007 calling either do_jump_by_parts_greater_rtx or
11008 do_jump_by_parts_equality_rtx.
11009 * expr.h (do_jump_by_parts_equality_rtx): Remove prototype.
11010 * expmed.c (do_cmp_and_jump): Now multi-word optimization has
11011 moved to do_compare_rtx_and_jump, call it directly.
11012 * stmt.c (do_jump_if_equal): Remove static prototype. Add a
11013 mode argument. Call do_compare_rtx_and_jump.
11014 (emit_case_nodes): Update calls to do_jump_if_equal.
11016 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11018 PR rtl-optimization/26225
11019 * loop-invariant.c (may_assign_reg_p): Do not allow BLKmode operands.
11021 2006-02-12 Zdenek Dvorak <dvorakz@suse.cz>
11023 PR rtl-optimization/26232
11024 * loop-invariant.c (find_invariant_insn): Ignore insns that set CC0.
11026 2006-02-11 Jason Merrill <jason@redhat.com>
11029 * tree-inline.c (declare_return_variable): Just don't use the
11030 modify target if it's a gimple complex reg and the return slot
11033 2006-02-11 Kaveh R. Ghazi <ghazi@caip.rutgers.edu>
11035 * doc/contrib.texi: Update my entry.
11037 2006-02-10 Geoffrey Keating <geoffk@apple.com>
11039 * config/i386/darwin.h (DBX_REGISTER_NUMBER): Define.
11041 2006-02-10 Diego Novillo <dnovillo@redhat.com>
11043 * tree-inline.c (estimate_num_insns_1): Make OpenMP directives
11046 2006-02-10 Zdenek Dvorak <dvorakz@suse.cz>
11048 * doc/invoke.texi (-floop-optimize2): Removed.
11049 * toplev.c (process_options): Remove handling of flag_loop_optimize2.
11050 * loop-init.c (gate_handle_loop2): Do not test flag_loop_optimize2.
11051 Test flag_branch_on_count_reg only if HAVE_doloop_end.
11052 * common.opt (floop-optimize2): Removed.
11053 (fmove-loop-invariants): Enabled by default.
11055 2006-02-10 Sebastian Pop <pop@cri.ensmp.fr>
11057 * tree-if-conv.c (combine_blocks): Free the result of
11058 get_loop_exit_edges.
11060 2006-02-10 Jeff Law <law@redhat.com>
11062 * fold-const.c (tree_expr_nonzero_p): Fix thinko.
11064 PR tree-optimization/26213
11065 * tree-ssa-threadedge.c (simplify_control_stmt_condition): Do not
11066 loop trying to follow SSA_NAME_VALUE chains.
11068 2006-02-10 Richard Guenther <rguenther@suse.de>
11070 * tree-dfa.c (get_ref_base_and_extent): When computing maxsize
11071 deal with structures that end in implicitly variable sized arrays.
11073 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11075 PR rtl-optimization/24762
11076 * df-scan.c (df_bb_refs_record): Record correct registers defined on
11079 2006-02-09 Zdenek Dvorak <dvorakz@suse.cz>
11081 * tree-ssa-loop-ivopts.c (struct loop_data, loop_data): Removed.
11082 (struct ivopts_data): Add regs_used field.
11083 (tree_ssa_iv_optimize_init): Do not allocate aux fields for loops.
11084 (ivopts_global_cost_for_size, determine_set_costs): Use data->regs_used
11085 instead of loop_data->regs_used;
11086 (free_loop_data): Do not free aux fields for loops.
11087 (tree_ssa_iv_optimize): Do not pass loops to tree_ssa_iv_optimize_init
11088 and tree_ssa_iv_optimize_finalize.
11090 2006-02-09 Kaz Kojima <kkojima@gcc.gnu.org>
11092 * config/sh/sh.h (FUNCTION_VALUE): Don't handle CHAR_TYPE.
11094 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11097 * sh.c (sh_gimplify_va_arg_expr): Don't change the result type when
11098 computing the effective result type.
11100 2006-02-09 J"orn Rennecke <joern.rennecke@st.com>
11102 PR inline-asm/16194
11103 * tree.h (decl_overlaps_hard_reg_set_p) Don't declare.
11104 (tree_overlaps_hard_reg_set): Declare.
11105 * stmt.c (decl_overlaps_hard_reg_set_p): Now static. Change return
11106 type and signature to match function type expected by walk_tree.
11107 (tree_overlaps_hard_reg_set): New function.
11108 (decl_conflicts_with_clobbers_p): Rename to:
11109 (tree_conflicts_with_clobbers_p). Take HARD_REG_SET * argument.
11110 Use tree_overlaps_hard_reg_set. Changed caller.
11111 * doc/tm.texi (TARGET_MD_ASM_CLOBBERS): Replace
11112 decl_overlaps_hard_reg_set_p with tree_overlaps_hard_reg_set.
11113 * cris.c (cris_md_asm_clobbers): Likewise.
11115 2006-02-09 Bernd Schmidt <bernd.schmidt@analog.com>
11117 * reload1.c (emit_input_reload_insns): Delete code that tries to
11118 inherit using find_equiv_reg.
11120 2006-02-09 Gabriel Dos Reis <gdr@integrable-solutions.net>
11122 * c-common.h (flag_const_strings): Don't declare.
11123 * c-common.c (flag_const_strings): Remove.
11124 * c.opt (fconst_strings): Remove.
11125 * c-opts.c (c_common_handle_option): Remove <OPT_fconst_strings>.
11126 <OPT_Wwrite_strings>: Don't set flag_const_strings.
11127 (c_common_init_options): Don't set flag_const_strings.
11128 * doc/invoke.texi (-fno-const-strings): Remove documentation.
11130 2006-02-09 Richard Earnshaw <richard.earnshaw@arm.com>
11132 * arm.md (tlobits_cbranch): New pattern.
11133 * arm.h (arm_select_cc_mode): For thumb, only return CC_Nmode if
11134 testing a single bit.
11136 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11139 * tree-ssa-pre.c (create_component_ref_by_pieces):
11140 Handle RETURN_DECL like VAR_DECL.
11142 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11144 PR middle-end/26134
11145 * fold-const.c (fold_indirect_ref_1): Fold
11146 "*(foo *)&complexfoo" to "__real__ complexfoo"
11147 and "((foo*)&complexfoo)[1]" to "__imag__ complexfoo".
11149 2006-02-09 Andrew Pinski <pinskia@physics.uc.edu>
11151 * tree-flow-inline.h (var_can_have_subvars):
11152 Volatile variables should not have subvariables.
11154 2006-02-09 Diego Novillo <dnovillo@redhat.com>
11157 * tree-vrp.c (vrp_int_const_binop): Detect overflow when
11158 multiplying unsigned values.
11161 2006-02-09 Eric Botcazou <ebotcazou@libertysurf.fr>
11163 * config/sparc/sparc.c (tls_call_delay): Fix oversight.
11165 2006-02-08 Jason Merrill <jason@redhat.com>
11168 * tree.def: Elaborate on difference from MODIFY_EXPR.
11169 * doc/c-tree.texi (INIT_EXPR): Likewise.
11170 * gimplify.c (internal_get_tmp_var): Use INIT_EXPR.
11171 (gimplify_decl_expr, gimplify_init_ctor_eval): Likewise.
11172 (gimplify_target_expr): Likewise.
11173 (gimplify_cond_expr): Remove target handling.
11174 (gimplify_modify_expr): Don't clobber INIT_EXPR code here.
11175 (gimplify_expr): Clobber it here.
11176 (gimplify_modify_expr_rhs): Push assignment into COND_EXPR here.
11177 Do return slot optimization if we have an INIT_EXPR.
11180 * tree-inline.c (declare_return_variable): Also clear
11181 DECL_COMPLEX_GIMPLE_REG_P as needed in the modify_dest case.
11184 * gimplify.c (gimplify_modify_expr_rhs): Re-enable *& handling.
11186 PR middle-end/22439
11187 * gimplify.c (gimplify_one_sizepos): Fix typo.
11189 2006-02-08 Jeff Law <law@redhat.com>
11191 PR tree-optimization/21417
11192 * tree-ssa-threadedge.c (thread_across_edge): Reject threading
11193 across a backedge if the control statement at the end of the
11194 block is data dependent on other statements in the same block.
11195 (record_temporary_equivalences_from_stmts): Remove over-conservative
11196 test for threading across backedges.
11198 * tree-ssa-dce.c (remove_dead_statement): When removing a dead
11199 control statement, handle all three special cases in the same
11200 manner as they all have the same desired solution. No longer
11201 special case edge flag updating when the post dominator is
11204 2006-02-08 Roger Sayle <roger@eyesopen.com>
11206 * tree.def (CHAR_TYPE): Remove.
11207 * dbxout.c (dbxout_type): Delete dead handling of CHAR_TYPE.
11208 * dwarf2out.c (base_type_die, is_base_type): Likewise.
11209 (gen_type_die) <ARRAY_TYPE>: Remove handling of CHAR_TYPE arrays.
11210 (gen_string_type_die): Delete unreachable function.
11212 * tree-pretty-print.c (dump_generic_node): Don't handle CHAR_TYPE.
11213 * tree.c (build_int_cst_wide, type_contains_placeholder_1,
11214 type_hash_eq, variably_modified_type_p, walk_type_fields): Likewise.
11215 * tree.h (NUMERICAL_TYPE_CHECK, INTEGRAL_TYPE_P): Likewise.
11216 * builtins.c (type_to_class): Likewise.
11217 * fold-const.c (fold_convert, build_range_check,
11218 merge_ranges): Likewise.
11219 * expr.c (count_type_elements): Likewise.
11220 * c-pretty-print.c (pp_c_type_specifier): Likewise.
11221 * stor-layout.c (layout_type): Likewise.
11222 * ipa-type-escape.c (type_to_consider): Likewise.
11223 * gimplify.c (omp_firstprivatize_type_sizes,
11224 gimplify_type_sizes): Likewise.
11225 * explow.c (promote_mode): Likewise.
11226 * tree-sra.c (is_sra_scalar_type): Likewise.
11227 * varasm.c (output_constant): Likewise.
11228 * tree-inline.c (remap_type_1): Likewise.
11229 * convert.c (convert_to_pointer, convert_to_real,
11230 convert_to_integer, convert_to_complex): Likewise.
11232 2006-02-08 Daniel Berlin <dberlin@dberlin.org>
11234 * df-scan.c (df_def_record_1): A set destination may
11235 be a parallel regardless of mode.
11237 2006-02-08 Roger Sayle <roger@eyesopen.com>
11240 * config/mips/mips.h (MIN_UNITS_PER_WORD): Don't define for libgcc.
11241 * config/mips/_tilib.c: Remove.
11242 * config/fixtfdi.c: New libgcc source file.
11243 * config/fixunstfdi.c: New source file.
11244 * config/floatditf.c: New source file.
11245 * config/floatunditf.c: New souce file.
11246 * config/mips/t-iris6 (LIB2FUNCS_EXTRA): Include the new source
11247 files above instead of config/mips/_tilib.c.
11248 * config/mips/t-linux64 (LIB2FUNCS_EXTRA): Likewise.
11250 2006-02-08 Jeff Law <law@redhat.com>
11252 PR tree-optimization/26169
11253 * tree-vrp.c (execute_vrp): Perform any queued SSA updates before
11256 2006-02-08 Zdenek Dvorak <dvorakz@suse.cz>
11258 * df.h (DF_REG_SIZE): Return the length of the initialized
11261 2006-02-08 Nathan Sidwell <nathan@codesourcery.com>
11263 * config/m68k/lb1sf68.asm (__divsf3, __divdf3, __mulsf3,
11264 __muldf3): Return a correctly signed zero.
11266 2006-02-08 Paolo Bonzini <bonzini@gnu.org>
11268 * passes.c (register_one_dump_file): Accept the current properties
11269 instead of pass number. Adjust call to dump_register. Remove
11271 (register_dump_files): Now a wrapper around...
11272 (register_dump_files_1): ... this one. Do not modify the pass
11274 (next_pass_1): Cosmetic fix.
11275 (execute_todo): Keep second parameter only. Use curr_properties
11276 instead of fetching it from the pass structure. Check and set
11278 (execute_one_pass): Handle TODO_set_props. Use curr_properties
11279 instead of fetching it from the pass structure. Fix calls to
11280 execute_todo. Update curr_properties and initialize .vcg RTL dump
11281 after running the pass. Reset last_verified.
11282 * tree-dump.c (dump_files): Renumber consecutively. Put .cgraph dump
11284 (FIRST_AUTO_NUMBERED_DUMP): New.
11285 (dump_register): Remove "num" parameter, assign it within the
11287 (get_dump_file_name): Modify template for dumps.
11288 * tree-dump.h (dump_register): Adjust prototype.
11289 * tree-pass.h (enum tree_dump_index): Move cgraph at the beginning.
11290 (PROP_trees): Add PROP_gimple_lomp.
11291 (TODO_set_props): New.
11292 * gimple-low.c (pass_lower_cf): Do not destroy PROP_gimple_lcf.
11293 * tree-eh.c (pass_lower_eh): Do not destroy PROP_gimple_leh.
11294 * cfgexpand.c (pass_expand): Destroy PROP_trees.
11296 2006-02-08 Jakub Jelinek <jakub@redhat.com>
11298 * config.gcc (sparc-*-linux*): Add sparc/t-linux to tmake_file.
11299 (sparc64-*-linux*): Likewise.
11300 * config/sparc/t-linux64 (SHLIB_MAPFILES): Removed.
11301 * config/sparc/t-linux: New file.
11302 * config/sparc/libgcc-sparc-glibc.ver (__fixtfdi, __fixunstfdi,
11303 __floatditf): Export at GCC_LDBL_3.0 if -m32 -mlong-double-128.
11304 (__divtc3, __multc3, __powitf2): Export at GCC_LDBL_4.0.0 if
11305 -m32 -mlong-double-128.
11307 * config.gcc (alpha*-*-linux*): Add alpha/t-linux to tmake_file.
11308 * config/alpha/t-linux: New file.
11309 * config/alpha/libgcc-alpha-ldbl.ver: New file.
11311 * config/sparc/linux.h (TARGET_OS_CPP_BUILTINS): Define
11312 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128.
11313 (CPP_SUBTARGET_SPEC): Don't add -D__LONG_DOUBLE_128__ here.
11314 * config/sparc/linux64.h (TARGET_OS_CPP_BUILTINS): Define
11315 __LONG_DOUBLE_128__ if TARGET_LONG_DOUBLE_128 and TARGET_ARCH32.
11316 (CPP_ARCH32_SPEC): Remove.
11318 2006-02-07 Uttam Pawar <uttamp@us.ibm.com>
11320 PR tree-optimization/26145
11321 * tree-ssa-loop-unswitch.c (tree_unswitch_single_loop): Free
11324 2006-02-07 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11327 * pa.c (attr_length_indirect_call): Don't return length 8 for distances
11328 >= 240000 when generating code for SOM runtime.
11329 (output_indirect_call): Don't use "b,l" instruction for indirect calls
11330 to $$dyncall when generating code for SOM runtime..
11332 2006-02-07 Dirk Mueller <dmueller@suse.com>
11335 * doc/invoke.texi (-Wsequence-point): Update documentation
11336 that -Wsequence-point is implemented for C++ as well.
11338 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11340 * config/sol26.h (CPP_SUBTARGET_SPEC): Accept -pthread.
11341 * config/sol2.h (CPP_SUBTARGET_SPEC): Likewise.
11342 (LIB_SPEC): Likewise.
11343 * doc/invoke.texi (SPARC options): Document -pthread.
11345 2006-02-07 Geoffrey Keating <geoffk@apple.com>
11347 * config/i386/i386.c (ix86_delegitimize_address): Support Darwin
11350 2006-02-07 Roger Sayle <roger@eyesopen.com>
11352 * config/sparc/sparc.c (sparc_type_code): Don't handle CHAR_TYPE.
11353 Correct comment describing BOOLEAN_TYPE.
11355 2006-02-07 Dirk Mueller <dmueller@suse.com>
11357 * c.opt: C++ frontend supports -Wdiv-by-zero.
11358 * c-opts.c (c_common_handle_option): Remove dead case.
11360 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11362 * configure.ac (TLS assembler check): Do not enable TLS by
11363 default on SPARC/Solaris before version 10.
11364 * configure: Regenerate.
11366 2006-02-07 David Edelsohn <edelsohn@gnu.org>
11368 * doc/invoke.texi (xl-compat): Document conversion and support
11371 2006-02-07 Jeff Law <law@redhat.com>
11373 * tree-vrp.c (find_conditional_asserts): Update comments.
11374 (simplify_stmt_for_jump_threading): New.
11375 (identify_jump_threads, finalize_jump_threads): New.
11376 (vrp_finalize): Call identify_jump_threads.
11377 (execute_vrp): Call finalize_jump_threads.
11378 * tree-ssa-dom.c (struct opt_stats_d): Remove num_iterations field.
11379 (vrp_element, vrp_data, vrp_element_p): Remove.
11380 (vrp_hash_elt, vrp_variables_stack): Remove.
11381 (vrp_hash, vrp_eq, record_range): Remove.
11382 (simplify_cond_and_lookup_avail_expr): Remove.
11383 (extract_range_from_cond): Remove.
11384 (thread_across_edge): Relocated into tree-ssa-threadedge.c.
11385 (simplify_stmt_for_jump_threading): New.
11386 (dom_thread_across_edge): New wrapper.
11387 (tree_ssa_dominator_optimize): No longer initialize or
11388 finalize any of the VRP datastructures. Remove iteration
11389 step and simplify as a result of removal of iteration step.
11390 (pass_dominator): Perform a cfg cleanup after DOM.
11391 (dom_opt_finalize_block): Use the new common routines
11392 for threading jumps. Simplify stack management slightly.
11393 No longer need to unwind VRP state.
11394 (record_equivalences_from_incoming_edge): No longer record
11396 (eliminate_redundant_computations): No longer call
11397 simplify_cond_and_lookup_avail_expr.
11398 * tree-flow.h (potentially_threadable_block): Prototype.
11399 (thread_across_edge): Likewise.
11400 * Makefile.in (OBJS-common): Add tree-ssa-threadedge.o
11401 (tree-ssa-threadedge.o): Add dependencies.
11402 * tree-ssa-threadedge.c: New file.
11403 * passes.c (init_optimization_passes): Merge PHIs before
11404 calling VRP. Run VRP again late in the SSA optimization pipeline.
11406 2006-02-07 Eric Botcazou <ebotcazou@libertysurf.fr>
11408 * df-core.c (df_set_blocks): Do not dereference function pointers.
11409 (df_finish1): Likewise.
11410 (df_hybrid_search_forward): Likewise.
11411 (df_hybrid_search_backward): Likewise.
11412 (df_iterative_dataflow): Likewise.
11413 (df_analyze_problem): Likewise.
11414 (df_compact_blocks): Likewise.
11415 (df_dump): Likewise.
11416 * df-scan.c (df_rescan_blocks): Likewise.
11417 (df_record_entry_block_defs): Likewise.
11419 * genconditions.c (write_conditions): Guard the definition of
11420 'insn_conditions' with the check on GCC version.
11421 (write_writer): Guard the traversal 'insn_conditions' with
11422 the check on GCC version.
11424 2006-02-07 Richard Guenther <rguenther@suse.de>
11428 2006-01-30 Richard Guenther <rguenther@suse.de>
11430 * gimplify.c (gimplify_target_expr): Handle easy cases
11431 without creating a temporary.
11433 2006-02-07 Pete Steinmetz <steinmtz@us.ibm.com>
11435 * sched-rgn.c (compute_dom_prob_ps, compute_trg_info): Eradicate
11436 use of float in probability computations. Use edge probabilities
11437 in place of statically computed probabilities.
11438 (min_spec_prob): New static variable.
11439 (schedule_insns): Initialize it.
11440 (GET_SRC_PROB): Removed.
11441 * doc/invoke.texi (min-sched-prob): Renamed to min-spec-prob.
11443 2006-02-07 Alexandre Oliva <aoliva@redhat.com>
11446 * config/ia64/unwind-ia64.c: Revert last change.
11447 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Removed.
11448 (INCOMING_FRAME_SP_OFFSET): Define.
11450 2006-02-06 Roger Sayle <roger@eyesopen.com>
11452 * config/ia64/ia64.c (hfa_element_mode): Don't handle CHAR_TYPE.
11454 2006-02-07 Ben Elliston <bje@au.ibm.com>
11456 * config/i386/i386.c (ix86_scalar_mode_supported_p): New.
11457 (TARGET_SCALAR_MODE_SUPPORTED_P): Define hook.
11458 (classify_argument): Handle SDmode, DDmode, TDmode for 64-bit.
11459 (ix86_return_in_memory): Handle TDmode.
11460 (ix86_libcall_value): Handle SDmode, DDmode, TDmode.
11461 (ix86_value_regno): Return non-TDmode decimal float modes in %eax.
11463 2006-02-06 Richard Sandiford <richard@codesourcery.com>
11465 * reorg.c (dbr_schedule): Use dump_file instead of file.
11467 2006-02-06 Steve Ellcey <sje@cup.hp.com>
11470 * config/ia64/predicates.md (extr_len_operand): New predicate.
11471 * config/ia64/ia64.md (extv): Tighten constraints.
11473 (*tbit_and_2): Ditto.
11474 (*tbit_and_3): Ditto.
11475 (*tbit_or_2): Ditto.
11476 (*tbit_or_3): Ditto.
11477 (*bit_zero): Ditto.
11480 2006-02-06 Andrew Pinski <pinskia@physics.uc.edu>
11483 * config/i386/i386.md (trap): Use ASM_SHORT instead of .word.
11485 2006-02-06 Zdenek Dvorak <dvorakz@suse.cz>
11487 * tree-vrp.c (execute_vrp): Do not pass dump argument to.
11488 loop_optimizer_init and loop_optimizer_finalize
11489 * tree-ssa-sink.c (execute_sink_code): Ditto.
11490 * tree-ssa-loop-ch.c (copy_loop_headers): Ditto.
11491 * tree-ssa-loop.c (tree_loop_optimizer_init, tree_ssa_loop_init,
11492 tree_ssa_loop_done): Ditto.
11493 * tree-ssa-pre.c (init_pre, fini_pre): Ditto.
11494 * sched-ebb.c: Include output.h.
11495 (schedule_ebbs): Do not use dump argument.
11496 * value-prof.h (struct profile_hooks): Remove profile_dump_file.
11497 * loop.c (loop_dump_stream): Removed.
11498 (loop_optimize, rest_of_handle_loop_optimize): Do not use dump
11500 (scan_loop, move_movables, find_and_verify_loops, mark_loop_jump,
11501 emit_prefetch_instructions, loop_bivs_find, loop_bivs_check,
11502 final_biv_value, loop_biv_eliminable_p, loop_givs_rescan,
11503 loop_iterations, strength_reduce, record_biv, record_giv,
11504 final_giv_value, check_final_value, check_ext_dependent_givs,
11505 combine_givs, check_dbra_loop, maybe_eliminate_biv, load_mems,
11506 try_copy_prop, loop_delete_insns, try_swap_copy_prop): Use
11507 dump_file instead of loop_dump_stream.
11508 * ddg.c (print_ddg_edge, print_ddg, vcg_print_ddg): Do not call
11509 argument dump_file.
11510 * reorg.c (dbr_schedule, rest_of_handle_delay_slots): Do not use
11512 * flow.c (life_analysis, rest_of_handle_life): Ditto.
11513 * haifa-sched.c: Include output.h
11514 (schedule_insns, sched_init): Do not use dump argument.
11515 * mode-switching.c (optimize_mode_switching): Ditto.
11516 * modulo-sched.c (stats_file): Removed.
11517 (print_node_sched_params): Do not call argument dump_file.
11518 (sms_schedule_by_order, loop_canon_p, sms_schedule,
11519 rest_of_handle_sms): Do not use dump argument. Use dump_file instead
11521 * cse.c (cse_main, rest_of_handle_cse, rest_of_handle_cse2): Do not
11523 * loop-init.c (loop_optimizer_init, loop_optimizer_finalize,
11524 rtl_loop_init, rtl_loop_done): Ditto.
11525 * global.c (global_alloc, rest_of_handle_global_alloc): Ditto.
11526 * predict.c (combine_predictions_for_bb, tree_estimate_probability):
11528 * recog.c (peephole2_optimize, rest_of_handle_peephole2): Ditto.
11529 * lcm.c (pre_edge_lcm, pre_edge_rev_lcm): Ditto.
11530 * regmove.c (fixup_match_1, fixup_match_2, regmove_optimize,
11531 rest_of_handle_regmove, rest_of_handle_stack_adjustments): Ditto.
11532 * emit-rtl.c (renumber_insns): Ditto.
11533 * cfgexpand.c (add_reg_br_prob_note, expand_gimple_cond_expr,
11534 expand_gimple_basic_block, tree_expand_cfg): Ditto.
11535 * regclass.c (regclass): Ditto.
11536 * tree-outof-ssa.c (analyze_edges_for_bb, perform_edge_inserts,
11537 remove_ssa_form, rewrite_out_of_ssa): Ditto.
11538 * reg-stack.c (compensate_edge, compensate_edges, convert_regs_1,
11539 convert_regs_2, convert_regs, reg_to_stack, rest_of_handle_stack_regs):
11541 * sched-rgn.c (schedule_insns, rest_of_handle_sched): Ditto.
11542 * local-alloc.c (rest_of_handle_local_alloc): Do not pass dump_file
11544 * gcse.c (gcse_file, debug_stderr): Removed.
11545 (gcse_main, bypass_jumps, rest_of_handle_jump_bypass,
11546 rest_of_handle_gcse): Do not use dump argument.
11547 (cprop_jump, cprop_insn, do_local_cprop, cprop, find_implicit_sets,
11548 one_cprop_pass, bypass_block, compute_pre_data, insert_insn_end_bb,
11549 pre_edge_insert, pre_insert_copy_insn, pre_delete, one_pre_gcse_pass,
11550 compute_code_hoist_vbeinout, compute_code_hoist_data,
11551 one_code_hoisting_pass, trim_ld_motion_mems, update_ld_motion_stores,
11552 compute_store_table, build_store_vectors, insert_insn_start_bb,
11553 insert_store, remove_reachable_equiv_notes, replace_store_insn,
11554 store_motion): Use dump_file instead of gcse_file.
11555 * ipa-type-escape.c (type_escape_execute): Remove debugging comments.
11556 * profile.c (profile_dump_file): Removed.
11557 (branch_prob): Use dump_file instead of profile_dump_file.
11558 * ipa.c (cgraph_remove_unreachable_nodes): Do not call argument
11560 * tree-ssa-copy.c (dump_copy_of): Ditto.
11561 * rtl-factoring.c (rtl_seqabstr, rest_of_rtl_seqabstr): Do not pass
11562 dump file to life_analysis.
11563 * bt-load.c (branch_target_load_optimize): Ditto.
11564 * cfgcleanup.c (rest_of_handle_jump2): Do not pass dump_file to
11566 * rtl.h (cse_main, renumber_insns, schedule_insns, schedule_ebbs,
11567 regclass, dbr_schedule): Declaration changed.
11568 * sched-int.h (sched_init): Declaration changed.
11569 * tree-profile.c (tree_profile_dump_file): Removed.
11570 (tree_profile_hooks): Removed profile_dump_file hook.
11571 * rtl-profile (rtl_profile_dump_file): Removed.
11572 (rtl_profile_hooks): emoved profile_dump_file hook.
11573 * cfgloop.h (loop_optimizer_init, loop_optimizer_finalize): Declaration
11575 * c-gimplify.c (c_genericize): Do not call local variable dump_file.
11576 * tree-cfg.c (build_tree_cfg): Ditto.
11577 * Makefile.in (haifa-sched.o, sched-ebb.o): Add output.h dependency.
11578 * basic-block.h (life_analysis, pre_edge_lcm, pre_edge_rev_lcm):
11579 Declaration changed.
11580 * config/sh/sh.c (sh_output_mi_thunk): Do not pass dump_file to
11581 life_analysis and schedule_insns.
11582 * config/m68hc11/m68hc11.c (m68hc11_reorg): Do not pass dump_file to
11584 * config/mt/mt.c (mt_machine_reorg): Do not pass dump_file to
11586 * config/mips/mips.c (mips_reorg): Ditto.
11587 * config/ia64/ia64.c (ia64_reorg): Do not pass dump_file to
11590 2006-02-06 Aldy Hernandez <aldyh@redhat.com>
11592 * config/s390/s390.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11593 (s390_mangle_fundamental_type): New.
11594 * config/s390/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11597 * config/alpha/alpha.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11598 (alpha_mangle_fundamental_type): New.
11599 * config/alpha/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11602 * config/sparc/linux.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11604 * config/sparc/linux64.h (TARGET_ALTERNATE_LONG_DOUBLE_MANGLING):
11606 * config/sparc/sparc.c (TARGET_MANGLE_FUNDAMENTAL_TYPE): Define.
11607 (sparc_mangle_fundamental_type): New.
11609 2006-02-06 Jakub Jelinek <jakub@redhat.com>
11611 * config.gcc (s390-*-linux*): Add s390/t-linux to tmake_file.
11612 (s390x-*-linux*): Likewise.
11613 * config/s390/t-linux64 (SHLIB_MAPFILES): Removed.
11614 * config/s390/t-linux: New file.
11616 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11618 * config/i386/sync.md (sync_add<mode>, sync_sub<mode>, sync_ior<mode>,
11619 sync_and<mode>, sync_xor<mode>): Operand 0 is in-out.
11621 2006-02-06 Daniel Berlin <dberlin@dberlin.org>
11623 * tree-ssa-pre.c (bb_value_sets_t): Add antic_safe_loads.
11624 (ANTIC_SAFE_LOADS): New macro.
11625 (find_or_generate_expression): Add prototype.
11626 (set_contains_value): Allow null set for sake of not always having
11627 to allocate ANTIC_SAFE_LOADS.
11628 (phi_translate): Move placement of AGGREGATE_TYPE_P check.
11629 Allow COMPONENT_REF too.
11630 (valid_in_set): Allow COMPONENT_REF.
11631 Check ANTIC_SAFE_LOADS too.
11632 (compute_antic_aux): Print out ANTIC_SAFE_LOADS.
11633 (compute_rvuse_and_antic_safe): Add ANTIC_SAFE computation, and
11635 (can_PRE_operation): Add COMPONENT_REF.
11636 (create_component_ref_by_pieces): New function.
11637 (create_expression_by_pieces): Use create_component_ref_by_pieces.
11638 (insert_aux): Move AGGREGATE_TYPE_P check here.
11639 (compute_avail): Set bb local stmt uids.
11640 (pass_pre): Use TODO_update_ssa_only_virtuals.
11642 2006-02-06 Ben Elliston <bje@au.ibm.com>
11644 * configure.ac: Unconditionally disable decimal float by default.
11645 * configure: Regenerate.
11647 2006-02-06 Ben Elliston <bje@au.ibm.com>
11649 * read-rtl.c (read_name): Terminate reading on EOF.
11651 2006-02-06 Ben Elliston <bje@au.ibm.com>
11653 * dfp.c (decimal_real_arithmetic): Change second argument type
11654 from int to enum tree_code. Do not always return true, but now
11655 return result of any call to decimal_do helper functions.
11656 * dfp.h (decimal_real_arithmetic): Update prototype.
11658 2006-02-05 Eric Botcazou <ebotcazou@libertysurf.fr>
11660 * config/sparc/sol2-bi.h (SPARC_DEFAULT_CMODEL): Set to CM_MEDMID.
11662 2006-02-05 Andrew Pinski <pinskia@physics.uc.edu>
11665 * tree-cfg.c (cleanup_dead_labels): Also don't remove
11668 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11670 * tree-vrp.c (cfg_loops): Removed.
11671 (adjust_range_with_scev, vrp_visit_assignment, execute_vrp):
11672 Use current_loops instead of cfg_loops. Pass flags to
11673 loop_optimizer_init.
11674 * cfgloopmanip.c (fix_loop_structure): Update only available
11676 * tree-ssa-loop-ch.c (copy_loop_headers): Pass flags to
11677 loop_optimizer_init.
11678 * modulo-sched.c (build_loops_structure): Removed.
11679 (sms_schedule): Use loop_optimizer_init.
11680 * loop-init.c (loop_optimizer_init): Use flags to determine
11681 which properties of loops to prepare.
11682 (rtl_loop_init): Pass flags to loop_optimizer_init.
11683 * tree-ssa-sink.c (execute_sink_code): Ditto.
11684 * tree-ssa-loop.c (tree_loop_optimizer_init): Ditto.
11685 * tree-ssa-pre.c (init_pre): Ditto.
11686 * cfgloop.h (LOOPS_NORMAL): New.
11687 (loop_optimizer_init): Declaration changed.
11689 2006-02-05 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11691 * pa/x-ada-hpux10, pa/t-pa-hpux10, pa/t-pa-hpux11: New files.
11692 * config.gcc (hppa[12]*-*-hpux10*): Use pa/t-pa-hpux10 instead of
11694 * config.gcc (hppa[12]*-*-hpux11*): Use pa/t-pa-hpux11 instead of
11696 * config.host (hppa*-*-hpux10*): Use pa/x-ada-hpux10 instead of
11698 * pa/t-pa-hpux: Add lib2funcs.asm and quadlib.c rules.
11699 * pa/t-pa64: Delete quadlib.c rule.
11700 * pa/x-ada: Revert last change.
11701 * pa/t-pa: Revert last change. Delete quadlib.c rule.
11703 2006-02-04 Zdenek Dvorak <dvorakz@suse.cz>
11705 PR rtl-optimization/26087
11706 * rtlanal.c (canonicalize_condition): Do not cross basic block
11709 2006-02-04 Alexandre Oliva <aoliva@redhat.com>
11712 * config/ia64/ia64.c: Include debug.h.
11713 (MAX_ARTIFICIAL_LABEL_BYTES): New.
11714 (ia64_label_after_insn, ia64_dwarf2out_def_steady_cfa): New.
11715 (IA64_CHANGE_CFA_IN_EPILOGUE): Define to 0.
11716 (process_epilogue, process_set, process_for_unwind_directive):
11717 Output unwind info only if requested. Add CFA info if requested.
11718 Add new arguments as needed. Adjust callers.
11719 * config/ia64/ia64.h (ARG_POINTER_CFA_OFFSET): Override
11721 (DWARF2_FRAME_INFO): Define to zero.
11722 * config/ia64/unwind-ia64.c: Remove code that compensated for
11723 the CFA offset error fixed above.
11724 * config/ia64/t-ia64 (ia64.o): Depend on debug.h.
11725 * dwarf2out.c (DWARF2_FRAME_INFO): Define default.
11726 (dwarf2out_do_frame): Require nonzero DWARF2_UNWIND_INFO for
11727 -funwind-tables and -fexceptions to enable frame info.
11728 (dwarf2out_frame_init): Define initial CFA even if
11729 DWARF2_UNWIND_INFO is disabled. Call initial_return_save if
11730 DWARF2_UNWIND_INFO is nonzero, not just defined.
11731 (dwarf2out_frame_finish): Output non-EH call frame info only
11732 if DWARF2_FRAME_INFO is nonzero.
11733 (convert_cfa_to_loc_list,
11734 compute_frame_pointer_to_cfa_displacement): Define even if
11735 unwind info is not supported.
11736 (gen_subprogram_die): Use the above unconditionally. Remove
11737 legacy alternate code.
11738 * toplev.c (compile_file): Compile in call to
11739 dwarf2out_frame_finish if DWARF2_DEBUGGING_INFO is defined.
11740 (lang_dependent_init): Ditto for dwarf2out_frame_init.
11742 2006-02-04 David Edelsohn <edelsohn@gnu.org>
11743 Jakub Jelinek <jakub@redhat.com>
11745 * config/rs6000/rs6000.c (rs6000_mangle_fundamental_type): Mangle
11746 IBM extended float format long double as "g" on powerpc*-linux.
11748 2006-02-03 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
11751 * pa/x-ada (X_ADA_CFLAGS): Define _X_HPUX10 on HP-UX 10.
11752 * pa/t-pa (TARGET_LIBGCC2_CFLAGS): Define _T_HPUX10 on HP-UX 10.
11754 2006-02-03 Jason Merrill <jason@redhat.com>
11757 * gimplify.c (gimplify_modify_expr_rhs): Disable *& optimization for now.
11759 PR middle-end/25977
11760 * gimplify.c (gimplify_modify_expr_rhs): It's not always safe to do RVO
11761 on the return slot if it's an NRV.
11763 2006-02-03 Zdenek Dvorak <dvorakz@suse.cz>
11765 * tree-ssa-loop-ivopts.c (enum use_type): Remove USE_OUTER.
11766 (dump_use, add_derived_ivs_candidates, determine_use_iv_cost,
11767 rewrite_use): Do not handle USE_OUTER.
11768 (find_interesting_uses_outer_or_nonlin, find_interesting_uses_outer,
11769 add_iv_outer_candidates, may_replace_final_value,
11770 determine_use_iv_cost_outer, rewrite_use_outer): Removed.
11771 (find_interesting_uses_op): Functionality of
11772 find_interesting_uses_outer_or_nonlin moved here.
11773 (find_interesting_uses_outside): Use find_interesting_uses_op.
11775 2006-02-03 Alan Modra <amodra@bigpond.net.au>
11778 * config/rs6000/darwin-ldouble.c (__gcc_qadd): Preserve -0.0 result.
11780 2006-02-03 Andreas Krebbel <krebbel1@de.ibm.com>
11781 Ulrich Weigand <uweigand@de.ibm.com>
11784 * config/s390/2084.md ("x_fsimptf", "x_fmultf", "x_fdivtf",
11785 "x_floadtf", "x_ftrunctf", "x_ftruncdf"): New insn reservations.
11786 * config/s390/fixdfdi.h (__fixunstfdi, __fixtfdi): New functions.
11787 * config/s390/s390.c (struct processor_costs): Add mxbr, sqxbr, dxbr
11789 (z900_cost, z990_cost, z9_109_cost): Values for the new fields added.
11790 (s390_rtx_costs): Use the new fields to calculate rtx costs.
11791 (s390_secondary_input_reload_class, s390_secondary_output_reload_class):
11792 Define secondary reloads for TFmode moves.
11793 (constant_modes): Add TFmode.
11794 (NR_C_MODES): Set to 8.
11795 * config/s390/s390.h (TARGET_CPU_CPP_BUILTINS): Add __LONG_DOUBLE_128__
11797 (LONG_DOUBLE_TYPE_SIZE): Set to 128 or 64.
11798 (LIBGCC2_LONG_DOUBLE_TYPE_SIZE, WIDEST_HARDWARE_FP_SIZE): Define.
11799 (HARD_REGNO_NREGS, HARD_REGNO_MODE_OK, CLASS_MAX_NREGS,
11800 CANNOT_CHANGE_MODE_CLASS): Consider TFmode.
11801 * config/s390/s390.md ("type" attribute): Add fsimptf, floadtf, fmultf,
11802 fdivtf, fsqrttf, ftrunctf, ftruncdf as possible values.
11803 (FPR mode macro): Add TFmode.
11804 (DSF mode macro): New.
11805 (<de>, <dee> mode attributes): Removed.
11806 (<xde>, <xdee>, <RRe>, <RXe>, <Rf> mode attributes): New.
11807 ("*cmp<mode>_ccs_0", "*cmp<mode>_ccs_0_ibm", "*cmp<mode>_ccs",
11808 "*cmp<mode>_ccs_ibm", "fix_trunc<FPR:mode><GPR:mode>2_ieee",
11809 "floatdi<mode>2", "floatsi<mode>2_ieee", "*add<mode>3",
11810 "*add<mode>3_cc", "*add<mode>3_cconly", "*add<mode>3_ibm",
11811 "*sub<mode>3", "*sub<mode>3_cc", "*sub<mode>3_cconly",
11812 "*sub<mode>3_ibm", "*mul<mode>3_ibm", "*fmadd<mode>", "*fmsub<mode>",
11813 "*div<mode>3", "*div<mode>3_ibm", "*neg<mode>2_cc",
11814 "*neg<mode>2_cconly", "*neg<mode>2", "*neg<mode>2_ibm",
11815 "*abs<mode>2_cc", "*abs<mode>2_cconly", "*abs<mode>2",
11816 "*abs<mode>2_ibm", "*negabs<mode>2_cc", "*negabs<mode>2_cconly",
11817 "*negabs<mode>2", "sqrt<mode>2"):
11818 Changed <de> to <xde>. R constraint replaced by <Rf>.
11819 ("*mul<mode>3"): Changed <dee> to <xdee>. R constraint replaced by
11821 ("fix_trunc<FPR:mode>di2"): 'FPR:' removed.
11822 ("*fmadd<mode>", "*fmsub<mode>"): FPR mode replaced by DSF.
11823 ("*movtf_64", "*movtf_31"): New insn definitions followed by 5
11825 ("movtf", "reload_outtf", "reload_intf", "trunctfdf2", "trunctfsf2",
11826 "extenddftf2", "extendsftf2"): New expanders.
11827 ("*trunctfdf2_ieee", "*trunctfdf2_ibm", "*trunctfsf2_ieee",
11828 "*trunctfsf2_ibm", "*extenddftf2_ieee", "*extenddftf2_ibm",
11829 "*extendsftf2_ieee", "*extendsftf2_ibm"): New insn patterns.
11830 * config/s390/s390.opt (mlong-double-128, mlong-double-64):
11832 * config/s390/t-crtstuff (TARGET_LIBGCC2_CFLAGS): Macro defined.
11833 * config/s390/libgcc-glibc.ver (__divtc3, __multc3, __powitf2,
11834 __fixtfti, __fixunstfti, __floattitf, __fixtfdi, __fixunstfdi,
11835 __floatditf): Add a GCC_4.1.0 symbol version tag.
11836 * doc/invoke.texi (-mlong-double-128, -mlong-double-64): Document
11839 2006-02-02 Andrew Pinski <pinskia@physics.uc.edu>
11842 * config/i386/i386.c (ix86_function_ok_for_sibcall):
11843 Use targetm.binds_local_p instead of TREE_PUBLIC.
11845 2006-02-02 Roger Sayle <roger@eyesopen.com>
11847 * tree.h (TYPE_STRING_FLAG): Document that this field may be used
11848 on INTEGER_TYPEs to indicate that it denotes a character type.
11849 * tree.c (build_common_tree_nodes): Set TYPE_STRING_FLAG on
11850 signed_char_type_node, unsigned_char_type_node and char_type_node.
11851 * dwarf2out.c (base_type_die): Treat CHAR_TYPE identically to
11852 INTEGER_TYPE. Use TYPE_STRING_FLAG to decide whether to emit
11853 a DW_ATE_[un]signed_char instead of a DW_ATE_[un]signed.
11855 2006-02-02 Zdenek Dvorak <dvorakz@suse.cz>
11856 Daniel Berlin <dberlin@dberlin.org>
11858 * tree-tailcall.c (arg_needs_copy_p): New function.
11859 (eliminate_tail_call): Use arg_needs_copy_p.
11860 (tree_optimize_tail_calls_1): Ditto. Also call add_virtual_phis.
11861 (add_virtual_phis): New function.
11863 2006-02-02 Jakub Jelinek <jakub@redhat.com>
11865 * config/sparc/sparc.c (sparc_output_scratch_registers): Use
11866 #ignore instead of #scratch for %g7 .register directive.
11868 2006-02-02 Andreas Tobler <a.tobler@schweiz.ch>
11870 * config/sparc/freebsd.h (ENDFILE_SPEC): Add space to separate
11873 2006-02-02 Bernd Schmidt <bernd.schmidt@analog.com>
11875 * flow.c (calculate_global_regs_live): Assert that there aren't any
11878 2006-02-02 Paolo Bonzini <bonzini@gnu.org>
11880 * tree-flow-inline.h (bsi_after_labels): Rewrite, return
11881 what its name says.
11882 * lambda-code.c (perfect_nestify): Use bsi_insert_before on
11883 bsi_after_labels iterator.
11884 * tree-if-conv.c (find_phi_replacement_condition,
11885 replace_phi_with_cond_modify_expr): Likewise.
11886 * tree-scalar-evolution.c (scev_const_prop): Likewise.
11887 * tree-ssa-loop-ivopts.c (compute_phi_arg_on_exit): Likewise.
11889 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11891 * tree-inline.c (copy_tree_r): Also copy OMP_CLAUSE nodes.
11893 2006-02-02 Diego Novillo <dnovillo@redhat.com>
11896 * tree-cfg.c (move_block_to_fn): Clear out the basic block
11897 array after growing it.
11899 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11901 PR middle-end/24901
11902 * fold-const.c (fold_checksum_tree): Change type of buf.
11904 2006-02-01 Bernd Schmidt <bernd.schmidt@analog.com>
11906 * reload.c (push_secondary_reload): Initialize t_icode.
11908 2006-02-01 Jakub Jelinek <jakub@redhat.com>
11910 * config/rs6000/sysv4.h (SUBTARGET_OVERRIDE_OPTIONS): For
11911 -msoft-float -mlong-double-128 only issue a warning, but don't
11912 swich to DFmode long double.
11914 2006-02-01 Hans-Peter Nilsson <hp@axis.com>
11916 * cse.c (fold_rtx) <case RTX_COMM_COMPARE, RTX_COMPARE>: When arg1
11917 has a constant equivalent, iterate over equivalents for arg0,
11918 calling simplify_relational_operation and if there's a result
11919 cheaper than X, apply fold_rtx and return the result.
11921 2006-02-01 Jan Hubicka <jh@suse.cz>
11923 * opts.c (no_unit_at_a_time_default): New global variable.
11924 (decode_options): Use it.
11925 * opts.h (no_unit_at_a_time_default): Declare.
11927 2006-02-01 Paul Brook <paul@codesourcery.com>
11929 * function.c (assign_parm_setup_reg): Use function argument promotion
11931 * expr.c (expand_expr_real_1): Use function argument promotion rules
11934 2006-02-01 Steve Ellcey <sje@cup.hp.com>
11936 * gcc.c (process_command): Change j to 'unsigned int'.
11938 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11940 PR middle-end/26001
11941 * expr.c (expand_expr_real_1) <case ARRAY_REF>:
11942 Use the corrected index for the character
11943 out of the string constant.
11945 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11947 * mode-switching.c (optimize_mode_switching): Fix size
11948 allocated for bb_info[n_entities].
11950 2006-01-31 Andrew Pinski <pinskia@physics.uc.edu>
11952 * gcc.c (main): Correct type that is allocated for
11953 explicit_link_files.
11955 2006-01-31 Jakub Jelinek <jakub@redhat.com>
11957 * config/s390/s390.c (init_alignment_context): Set
11958 ALIAS_SET_MEMORY_BARRIER on the MEM.
11959 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): Likewise.
11961 2006-01-31 Uttam Pawar <uttamp@us.ibm.com>
11963 PR middle-end/25933
11964 * loop-unroll.c (unroll_loop_runtime_iterations): Free
11966 * tree-ssa-live.c (type_var_init): Allocate bitmap after
11969 2006-01-31 Marcin Dalecki <martin@dalecki.de>
11971 * tree-vrp.c: Use XNEW/XCNEW allocation wrappers.
11972 * regrename.c: Ditto.
11973 * tree-ssa-loop-im.c: Ditto.
11974 * tree-dump.c: Ditto.
11975 * tree-complex.c: Ditto.
11976 * genrecog.c: Ditto.
11977 * tree-ssa-threadupdate.c: Ditto.
11979 * java/class.c: Ditto.
11980 * java/jcf-parse.c: Ditto.
11981 * java/resource.c: Ditto.
11982 * java/except.c: Ditto.
11983 * java/jvspec.c: Ditto.
11984 * java/jcf-write.c: Ditto.
11985 * java/jcf-path.c: Ditto.
11986 * java/gjavah.c: Ditto.
11987 * java/zextract.c: Ditto.
11988 * java/jcf-io.c: Ditto.
11989 * java/jcf.h: Ditto.
11990 * java/buffer.c: Ditto.
11991 * java/lang.c: Ditto.
11992 * java/parse-scan.y: Ditto.
11993 * java/lex.c: Ditto.
11994 * java/lex.h: Ditto.
11995 * cfgloopmanip.c: Ditto.
11996 * postreload-gcse.c: Ditto.
11997 * tree-ssa-loop-manip.c: Ditto.
11998 * postreload.c: Ditto.
11999 * tree-ssa-loop-ch.c: Ditto.
12002 * cppspec.c: Ditto.
12003 * diagnostic.c: Ditto.
12005 * genoutput.c: Ditto.
12007 * cfghooks.c: Ditto.
12008 * cfgloopanal.c: Ditto.
12009 * objc/objc-act.c: Ditto.
12011 * genextract.c: Ditto.
12012 * genautomata.c: Ditto.
12013 * pretty-print.c: Ditto.
12014 * genemit.c: Ditto.
12015 * cgraphunit.c: Ditto.
12017 * df-scan.c: Ditto.
12018 * haifa-sched.c: Ditto.
12019 * dominance.c: Ditto.
12021 * tree-ssa-loop-ivopts.c: Ditto.
12022 * df-core.c: Ditto.
12023 * mode-switching.c: Ditto.
12024 * modulo-sched.c: Ditto.
12026 * ipa-pure-const.c: Ditto.
12028 * fix-header.c: Ditto.
12030 * tree-stdarg.c: Ditto.
12031 * ipa-utils.c: Ditto.
12032 * loop-init.c: Ditto.
12033 * ipa-inline.c: Ditto.
12034 * cfganal.c: Ditto.
12036 * alloc-pool.c: Ditto.
12037 * dwarf2out.c: Ditto.
12039 * genattrtab.c: Ditto.
12040 * tree-ssa-loop-ivcanon.c: Ditto.
12041 * predict.c: Ditto.
12042 * timevar.c: Ditto.
12044 * fortran/gfortranspec.c: Ditto.
12045 * regmove.c: Ditto.
12046 * local-alloc.c: Ditto.
12047 * langhooks.c: Ditto.
12048 * function.c: Ditto.
12049 * tree-vectorizer.c: Ditto.
12051 * ipa-type-escape.c: Ditto.
12053 * tree-if-conv.c: Ditto.
12054 * profile.c: Ditto.
12056 * tree-data-ref.c: Ditto.
12057 * loop-unroll.c: Ditto.
12058 * treelang/treetree.c: Ditto.
12060 * bt-load.c: Ditto.
12061 * ggc-common.c: Ditto.
12063 * coverage.c: Ditto.
12065 * tree-cfgcleanup.c: Ditto.
12066 * tree-ssa-pre.c: Ditto.
12067 * cfgcleanup.c: Ditto.
12068 * loop-invariant.c: Ditto.
12069 * loop-iv.c: Ditto.
12070 * ipa-prop.c: Ditto.
12071 * print-tree.c: Ditto.
12072 * conflict.c: Ditto.
12073 * ggc-page.c: Ditto.
12074 * sched-deps.c: Ditto.
12075 * regclass.c: Ditto.
12076 * tree-object-size.c: Ditto.
12077 * combine.c: Ditto.
12078 * bb-reorder.c: Ditto.
12079 * resource.c: Ditto.
12080 * var-tracking.c: Ditto.
12081 * cfgloop.c: Ditto.
12082 * df-problems.c: Ditto.
12083 * reg-stack.c: Ditto.
12085 * gccspec.c: Ditto.
12086 * sched-rgn.c: Ditto.
12087 * tree-ssa-structalias.c: Ditto.
12088 * tree-ssa-reassoc.c: Ditto.
12089 * config/darwin-c.c: Ditto.
12090 * config/darwin.c: Ditto.
12091 * config/arm/arm.c: Ditto.
12093 * collect2.c: Ditto.
12094 * reload1.c: Ditto.
12096 2006-01-31 Nicolas Pitre <nico@cam.org>
12098 * arm.md (smaxsi3): Make aware of smax_m1.
12101 2006-01-31 Nathan Sidwell <nathan@codesourcery.com>
12103 * config/m68k/lb1sf68.asm: Use moveq to load small constants.
12105 2006-01-31 Richard Guenther <rguenther@suse.de>
12107 * doc/invoke.texi (-msselibm): Document.
12108 * target.h (expand_library_builtin): New target hook.
12109 * builtins.c (expand_builtin): Use expand_library_builtin.
12110 (default_expand_library_builtin): New function.
12111 * gcc.c (LINK_GCC_MATH_SPEC): Define.
12112 (LINK_COMMAND_SPEC): Handle %(link_gcc_math).
12113 (link_gcc_math_spec): Declare.
12114 (static_specs): Add link_gcc_math_spec.
12115 * expr.h (default_expand_library_builtin): Declare.
12116 * target-def.h (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12117 (TARGET_INITIALIZER): Add TARGET_EXPAND_LIBRARY_BUILTIN.
12118 * config/i386/i386.h: Provide LINK_GCC_MATH_SPEC.
12119 * config/i386/i386.opt (msselibm): New target option.
12120 * config/i386/i386.c (ix86_builtin_function_variants): New array.
12121 (ix86_init_sse_abi_builtins): New function.
12122 (ix86_expand_library_builtin): Likewise.
12123 (TARGET_EXPAND_LIBRARY_BUILTIN): Define.
12124 (override_options): Handle error conditions wrt -msselibm.
12125 (ix86_builtins): Add function codes for SSE2 ABI builtins.
12126 (ix86_init_builtins): Call ix86_init_sse_abi_builtins.
12127 * doc/extend.texi (__builtin_sse2_*): Document new target specific
12130 2006-01-31 Richard Guenther <rguenther@suse.de>
12131 Paolo Bonzini <bonzini@gnu.org>
12133 * doc/install.texi (--disable-libgcc-math): Document.
12135 2006-01-30 Marcin Dalecki <martin@dalecki.de>
12137 * expr.h (expand_normal): new inline function.
12138 * builtins.c: use it, use EXPAND_NORMAL explicitely.
12139 * dojump.c: use it.
12140 * dwarf2out.c: use it.
12143 * expmed.c: use it.
12144 * except.c: use it.
12145 * config/sparc/sparc.c: use it.
12146 * config/i386/i386.c: use it.
12147 * config/rs6000/rs6000.c: use it.
12148 * config/arm/arm.c: use it.
12149 * config/mips/mips.c: use it.
12150 * stmt.c: use it, use EXPAND_NORMAL explicitely.
12152 2006-01-30 Roger Sayle <roger@eyesopen.com>
12154 * config/i386/cygwin.h (GCC_DRIVER_HOST_INITIALIZATION): Cast
12155 argv to the appropriate type.
12157 2006-01-30 Zdenek Dvorak <dvorakz@suse.cz>
12159 * tree-ssa-dce.c (mark_stmt_if_obviously_necessary): Remove
12162 2006-01-30 Ulrich Weigand <uweigand@de.ibm.com>
12165 * config/s390/s390.c (struct machine_function): New flag
12166 decomposed_literal_pool_addresses_ok_p.
12167 (s390_reorg): Set it before final stage of literal pool transforms.
12168 (s390_decompose_address): Only accept displacements of the form
12169 (minus (label_ref ...) (label_ref ...)) if that flag is set.
12171 2006-01-30 Carlos O'Donell <carlos@codesourcery.com>
12173 * optabs.c (prepare_cmp_insn): If unbaised and unsigned then bias
12174 the comparison routine return.
12176 2006-01-30 Michael Matz <matz@suse.de>
12178 * global.c (find_reg): Only evict for global regs.
12179 Take n_refs into account and dump more info.
12181 2006-01-30 J"orn Rennecke <joern.rennecke@st.com>
12184 * sh.c (pragma_interrupt, trap_exit, sp_switch): Remove variable.
12185 (pragma_trap, pragma_nosave_low_regs): Likewise.
12186 (current_function_anonymous_args): Likewise.
12187 (sh_deferred_function_attributes): New variable.
12188 (sh_deferred_function_attributes_tail): Likewise.
12189 (print_operand): For '@', look up trap_exit attribute.
12190 (calc_live_regs): Look up trapa_handler attribute. For trapa
12191 handlers, save/restore fpscr, but don't do any other
12192 interrupt-specific saves.
12193 Don't save r0..r7 if the nosave_low_regs attribute is in effect.
12194 Fix check for partially saved registers to check for SHmedia.
12195 (sh_expand_prologue, sh_expand_epilogue): Look up sp_switch attribute.
12196 (sh_output_function_epilogue): Don't clear any of the removed
12198 (sh_insert_attributes): Don't check pragma_interrupt.
12199 Insert deferred attributes. Check that interrupt attribute is
12200 present for other attributes that require its presence.
12201 (sh_attribute_table): Add new attributes trapa_handler and
12203 (sh_handle_sp_switch_attribute, sh_handle_trap_exit_attribute):
12204 Don't check for pragma_interrupt. Don't store argument.
12205 * sh.h (pragma_interrupt, sp_switch): Don't declare.
12206 (sh_deferred_function_attributes): Declare.
12207 (sh_deferred_function_attributes_tail): Likewise.
12208 * sh.md (sp_switch_1): Add operand. Change generator caller.
12209 (sh_pr_interrupt, sh_pr_trapa, sh_pr_nosave_low_regs): Remove.
12210 (*return_i): Don't use when trap_exit attribute is in effect.
12211 (*return_trapa): New insn pattern.
12212 * sh-c.c: New file.
12213 * config.gcc (sh[123456ble]*-* | sh-*-*): New trailer stanza,
12214 setting c_target_objs and cxx_target_objs.
12215 * t-sh: Add rule for sh-c.o.
12217 2006-01-30 Richard Guenther <rguenther@suse.de>
12220 * gimplify.c (gimplify_target_expr): Handle easy cases
12221 without creating a temporary.
12223 2006-01-30 Nathan Sidwell <nathan@codesourcery.com>
12225 * vec.h (safe_grow): Remove duplicated line.
12227 2006-01-29 Diego Novillo <dnovillo@redhat.com>
12230 * omp-low.c (execute_expand_omp): Move CFG cleanup code ...
12231 (expand_omp): ... here.
12232 (expand_omp_parallel): Only remove barriers for combined
12233 parallel+workshare constructs.
12235 2006-01-29 Eric Botcazou <ebotcazou@adacore.com>
12239 2005-11-09 Eric Botcazou <ebotcazou@adacore.com>
12240 * tree.c (build_qualified_type): Chain the new type to the original
12241 type's TYPE_NEXT_PTR_TO or TYPE_NEXT_REF_TO linked lists if it is
12242 a POINTER_TYPE or a REFERENCE_TYPE respectively.
12243 (build_pointer_type_for_mode): Only return unqualified types.
12244 (build_reference_type_for_mode): Likewise.
12246 2006-01-29 Gabriel Dos Reis <gdr@integgrable-solutions.net>
12248 * configure.ac (cxx_compat_warn): Set if -Wc++-compat is supported.
12249 * Makefile.in (CXX_COMPAT_WARN): Define.
12250 * configure: Regenerate.
12252 2006-01-29 Dorit Nuzman <dorit@il.ibm.com>
12255 * tree-vect-patterns.c (vect_recog_dot_prod_pattern): Change assert
12258 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12260 * toplev.c: Fix thinko.
12262 2006-01-29 Gabriel Dos Reis <gdr@integrable-solutions.net>
12263 Marcin Dalecki <martin@dalecki.de>
12265 * toplev.c (floor_log2, exact_log2): Don't define if __cplusplus.
12266 (push_srcloc): Use XNEW.
12267 (init_asm_output, default_get_pch_validity): Use XNEWVEC.
12269 2006-01-29 Kenneth Zadeck <zadeck@naturalbridge.com>
12271 * df-core.c (df_set_blocks): Deleted all variable.
12273 2006-01-28 Ian Lance Taylor <ian@airs.com>
12275 * cgraphunit.c (cgraph_assemble_pending_functions): Call
12276 cgraph_output_pending_asms.
12278 2006-01-28 Zack Weinberg <zackw@panix.com>
12280 * c.opt: Add -W(no-)overlength-strings.
12281 * doc/invoke.texi: Document it.
12282 * c-opts.c (c_common_handle_option): -pedantic implies
12283 -Woverlength-strings, if not explicitly disabled already.
12284 (c_common_post_options): -Woverlength-strings defaults to off, and
12285 is always off for C++.
12286 * c-common.c (fix_string_type): Issue warning about strings longer
12287 than is portable only if warn_overlength_strings. Rearrange code
12288 a little for clarity.
12289 * configure.in: Check for -Wno-overlength-strings as well before
12290 enabling -pedantic in stage 1.
12291 * Makefile.in (STRICT2_WARN): Add -Wno-overlength-strings.
12292 (gcc.o-warn, insn-automata.o-warn, build/gencondmd.o-warn): Delete.
12294 * genconditions.c (write_header, write_one_condition)
12295 (write_conditions, write_writer): Consolidate very long strings
12296 that were broken up to fit in C89 portable limit. Don't use
12297 printf when fputs will do.
12299 2006-01-28 Adam Nemet <anemet@caviumnetworks.com>
12301 * combine.c (simplify_comparison <AND>): Check
12302 TRULY_NOOP_TRUNCATION before start using a subreg.
12304 * config/mips/mips.md (*branch_zero<mode>,
12305 *branch_zero<mode>_inverted, *branch_equality<mode>,
12306 *branch_equality<mode>_inverted, *branch_equality<mode>_mips16):
12307 Remove mode check from comparisons.
12309 2006-01-28 Kenneth Zadeck <zadeck@naturalbridge.com>
12311 * config/mips/mips-protos.h (mips_set_live_on_entry): Deleted.
12313 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12315 * expmed.c (const_mult_add_overflow_p): Remove.
12316 * expr.h: Remove the prototype for const_mult_add_overflow_p.
12318 * recog.c (validate_replace_rtx_subexp): Remove.
12319 * recog.h: Remove the prototype for
12320 validate_replace_rtx_subexp.
12322 * integrate.h: Remove the prototype for
12323 copy_decl_for_inlining.
12324 * rtl.h: Remove the prototype for mark_constant_function.
12325 * tree-vectorizer.h: Remove the prototype for
12326 vect_strip_conversion.
12328 * modulo-sched.c (create_partial_schedule,
12329 free_partial_schedule, reset_partial_schedule): Make them
12332 * hooks.c (hook_bool_rtx_int_false): Remove.
12333 * hooks.h: Remove the prototype for hook_bool_rtx_int_false.
12335 2006-01-28 David Edelsohn <edelsohn@gnu.org>
12337 * config/rs6000/aix43.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12338 and -mlong-double-128 are incompatible.
12339 * config/rs6000/aix52.h (SUBTARGET_OVERRIDE_OPTIONS): Same.
12340 * config/rs6000/t-aix43 (LIB2FUNCS_EXTRA): Add ppc64-fp.c.
12341 (TARGET_LIBGCC2_CFLAGS): Define.
12342 * config/rs6000/t-aix52 (LIB2FUNCS_EXTRA): Same.
12343 (TARGET_LIBGCC2_CFLAGS): Same.
12344 * config/rs6000/ppc64-fp.c: Compile for 64-bit AIX.
12346 2006-01-28 Kazu Hirata <kazu@codesourcery.com>
12349 * c-typeck.c (build_binary_op): Perform implicit casts of
12350 operands before shortening them.
12352 * cfgloopmanip.c (split_loop_bb): Remove.
12353 * cfgloop.h: Remove the prototype for split_loop_bb.
12355 * cfgloop.c (flow_loop_outside_edge_p): Remove.
12356 * cfgloop.h: Remove the prototype for
12357 flow_loop_outside_edge_p.
12359 * emit-rtl.c (init_virtual_regs): Make it static.
12360 * function.h: Remove the prototype for init_virtual_regs.
12362 * recog.c (peephole2_optimize): Make it static.
12363 * recog.h: Remove the prototype for peephole2_optimize.
12365 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12367 * df-scan.c (df_record_entry_block_defs): Check if
12368 INCOMING_RETURN_ADDR_RTX is defined.
12370 2006-01-27 Daniel Berlin <dberlin@dberlin.org>
12371 Kenneth Zadeck <zadeck@naturalbridge.com>
12373 PR rtl-optimization/24762
12374 * doc/tm.texi: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12375 * targhooks.c (hook_void_bitmap): New hook prototype.
12376 * targhoohs.h (hook_void_bitmap): Ditto.
12377 * bitmap.h (bitmap_head_def): Moved to coretypes.h.
12378 * coretypes.h (bitmap_head_def): Moved from bitmap.h.
12379 * target.h (live_on_entry): New function pointer.
12380 * df-scan.c (df_all_hard_regs): Removed.
12381 (df_scan_dump, df_hard_reg_init): Removed df_all_hard_regs.
12382 (df_scan_free_internal): Added df->entry_block_defs.
12383 (df_scan_alloc): Ditto.
12384 (df_scan_dump): Ditto.
12385 (df_uses_record): Plumbed flag field properly thru calls.
12386 Record EH_RETURN_DATA_REGNO in eh blocks unconditionally.
12387 This part fixes PR24762.
12388 (df_bb_refs_record): Added code to make the frame and arg
12389 pointers live in EH blocks.
12390 (df_refs_record): Added call to df_record_entry_block_defs.
12391 (df_record_entry_block_defs): New function.
12392 * df-core.c: Added comments to describe new artifical defs.
12393 * df.h (DF_REF_DIES_AFTER_THIS_USE): New flag in enum df_ref_flags.
12394 (entry_block_defs): New field in struct df.
12395 (df_all_hard_regs): Deleted.
12396 * target-def.h: Added TARGET_EXTRA_LIVE_ON_ENTRY.
12397 * df-problems.c (df_ru_bb_local_compute_process_def):
12398 Added code to handle artifical defs in the entry to a function.
12399 (df_ru_bb_local_compute): Ditto.
12400 (df_rd_bb_local_compute_process_def): Ditto.
12401 (df_rd_bb_local_compute): Ditto.
12402 (df_lr_bb_local_compute): Ditto.
12403 (df_ur_bb_local_compute): Ditto.
12404 (df_urec_bb_local_compute): Ditto.
12405 (df_chain_create_bb): Ditto.
12406 (df_ur_local_finalize): Removed entry.
12407 (df_urec_init): Ditto.
12408 (df_urec_local_finalize): Ditto.
12409 (df_ri_bb_compute): Added detection of last use of pseudos.
12410 * Makefile.in (df-scan.o): Updated dependencies.
12411 * config/mips/mips-protos.h (mips_set_live_on_entry): Added.
12412 * config/mips/mips.c (mips_set_live_on_entry): Added.
12413 * config/mips/mips.c (TARGET_EXTRA_LIVE_ON_ENTRY): Added value
12415 * dce.c (marked_insn_p): Added code to handle artifical defs.
12417 2006-01-27 H.J. Lu <hongjiu.lu@intel.com>
12419 * config/i386/emmintrin.h (_mm_cvtsd_f64): Add missing Intel
12421 (_mm_cvtsi128_si64): Likewise.
12422 (_mm_cvtsd_si64): Likewise.
12423 (_mm_cvttsd_si64): Likewise.
12424 (_mm_cvtsi64_sd): Likewise.
12425 (_mm_cvtsi64_si128): Likewise.
12426 * config/i386/mmintrin.h (_m_from_int64): Likewise.
12427 (_mm_cvtsi64_m64): Likewise.
12428 (_m_to_int64): Likewise.
12429 (_mm_cvtm64_si64): Likewise.
12430 * config/i386/xmmintrin.h (_mm_cvtss_si64): Likewise.
12431 (_mm_cvttss_si64): Likewise.
12432 (_mm_cvtsi64_ss): Likewise.
12433 (_mm_cvtss_f32): Likewise.
12435 2006-01-27 Carlos O'Donell <carlos@codesourcery.com>
12437 * c-pragma.c (init_pragma) : Call c_register_pragma_with_expansion
12438 for pragma redefine_extname.
12440 2006-01-27 Jakub Jelinek <jakub@redhat.com>
12443 * libgcc-std.ver: Add GCC_4.1.0 symbol version.
12444 * config/rs6000/t-linux64 (TARGET_LIBGCC2_CFLAGS): Only append
12445 -mno-minimal-toc to previous content.
12446 (bispecs): Remove goal.
12447 * config/rs6000/ppc64-fp.c: Define TMODES before including fp-bit.h.
12448 * config/rs6000/darwin-ldouble.c: Don't provide _xlq*@GCC_3.4
12449 compatibility aliases on powerpc-*-*gnu*.
12450 * config/rs6000/libgcc-ppc-glibc.ver: New file.
12451 * config/rs6000/t-ppccomm (SHLIB_MAPFILES): Append
12452 libgcc-ppc-glibc.ver on powerpc*-*-*gnu*.
12453 (TARGET_LIBGCC2_CFLAGS): Append -specs=ldblspecs.
12454 (ldblspecs): New goal.
12455 * config/rs6000/t-linux64 (SHLIB_MAPFILES): Removed.
12456 * mklibgcc.in: If $TPBIT is empty, don't compile _sf_to_tf and
12458 * config/fp-bit.h (TMODES): Don't define if none of TFLOAT,
12459 L_sf_to_tf or L_df_to_tf is defined.
12461 2006-01-27 David Edelsohn <edelsohn@gnu.org>
12462 Alan Modra <amodra@bigpond.net.au>
12465 * config/rs6000/linux.h (POWERPC_LINUX): Define.
12466 * config/rs6000/linux64.h (POWERPC_LINUX): Define.
12467 * config/rs6000/darwin-ldouble.c: Build on 32-bit PowerPC.
12468 * config/rs6000/darwin.h (TARGET_IEEEQUAD): Define to zero.
12469 * config/rs6000/aix.h (TARGET_IEEEQUAD): Define to zero.
12470 * config/rs6000/rs6000.c (rs6000_ieeequad): New variable.
12471 (rs6000_override_options): Initialize rs6000_ieeequad.
12472 Initialize TFmode format to ibm_extended_format if not
12474 (rs6000_handle_option): Accept -mabi= ibmlongdouble and
12476 (rs6000_emit_move): Move !TARGET_IEEEQUAD as two parts.
12477 (rs6000_return_in_memory): Only return IEEEQUAD in memory.
12478 (function_arg_advance): IBM long double passed in two FPRs, not
12480 (function_arg): IBM long double passed in FPRs.
12481 (rs6000_pass_by_reference): Only IEEEQUAD passed by reference.
12482 (rs6000_gimplify_va_arg): IBM long double passed in two FPRs.
12483 Only multireg GPR aligned.
12484 (rs6000_init_libfuncs): Enable IBM long double functions if not
12486 (rs6000_generate_compare): Use IBM long double compare if not
12488 * config/rs6000/rs6000.h (rs6000_ieeequad): Declare.
12489 (TARGET_IEEEQUAD): Define.
12490 (CANNOT_CHANGE_MODE_CLASS): Any mode larger than doubleword if
12491 not TARGET_IEEEQUAD.
12492 * config/rs6000/rs6000.md: Enable TFmode patterns if
12494 * config/rs6000/t-ppccomm (LIB2FUNCS_EXTRA): Add darwin-ldouble.c.
12495 * config/rs6000/svr4.h (SUBTARGET_OVERRIDE_OPTIONS): -msoft-float
12496 and -mlong-double-128 are incompatible.
12497 * doc/invoke.texi (-mabi): Collect options together. Add
12498 ibmlongdouble and ieeelongdouble.
12500 2006-01-27 Richard Sandiford <richard@codesourcery.com>
12502 * doc/rtl.texi (SYMBOL_REF_DATA): Adjust documentation for new
12504 * optabs.c (init_one_libfunc): Use SET_SYMBOL_REF_DECL.
12505 * varasm.c (make_decl_rtl, build_constant_desc): Likewise.
12506 (force_const_mem): Use SET_SYMBOL_REF_CONSTANT.
12507 * rtl.h (rtunion_def): Remove rt_ptr.
12509 (SYMBOL_REF_DATA): Use X0ANY instead of X0PTR.
12510 (SET_SYMBOL_REF_DECL, SET_SYMBOL_REF_CONSTANT): New macros.
12511 * config/i386/winnt.c (i386_pe_mark_dllexport)
12512 (i386_pe_mark_dllimport): Use SET_SYMBOL_REF_DECL.
12514 2006-01-27 Gabor Loki <loki@gcc.gnu.org>
12516 * cfgcleanup.c (try_crossjump_to_edge): Fix comment typo.
12518 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12522 * gthr-dce.h: Do not gthrw-ify pthread_once_init,
12523 pthread_key_delete. From John David Anglin. gthrw-ify
12524 pthread_getunique_np only if it it's not a macro. Delete
12526 (__gthread_objc_condition_allocate, __gthread_objc_condition_deallocate,
12527 __gthread_objc_condition_wait, __gthread_objc_condition_broadcast,
12528 __gthread_objc_condition_signal, __gthread_key_delete): Add
12529 "__attribute__ ((__unused__))" to unused arguments.
12530 (__gthread_recursive_mutex_init_function): Add missing return.
12531 * gthr-dce.h, gthr-tpf.h, gthr-solaris.h, gthr-posix.h,
12532 gthr-posix95.h: Use macro-based approach for name redirection
12533 on targets missing weakref.
12535 2006-01-26 Zack Weinberg <zackw@panix.com>
12537 * genconditions.c (write_header): In generated code, #ifdef out
12538 all includes and fake declarations, except includes of bconfig.h
12539 and system.h, unless GCC_VERSION >= 3001. Do not include
12540 gensupport.h in any case.
12541 (write_conditions): Generate a definition of struct c_test. Add
12542 a comment to the generated #endif.
12543 (write_one_condition): Escape backslashes in string too.
12544 (write_writer): Generated code must escape backslashes and quote
12545 marks (but not newlines) in the strings it writes.
12546 * Makefile.in (build/gencondmd.o): Update dependencies.
12548 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12551 * Makefile.in (insn-automata.o): Add header file dependencies.
12552 * genautomata.c: Add includes.
12554 2006-01-26 Steve Ellcey <sje@cup.hp.com>
12557 * Makefile.in (insn-automata.o): Add -Wno-error flag.
12559 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12561 * configure.ac: Expect target tools paths to be passed from the toplevel
12562 and wrap the detection into AS_SET_VAR_IF. Extract side-effects out of
12564 * acinclude.m4 (gcc_AC_TOOL_DIRS, gcc_AC_CHECK_TOOL): Remove.
12566 2006-01-26 Alexandre Oliva <aoliva@redhat.com>
12569 * c.opt (Wpointer-sign): Init to -1.
12570 * c-opts.c (c_common_handle_option): Set to 1 on OPT_Wall and
12571 OPT_pedantic, to 0 otherwise.
12572 * doc/invoke.texi: Update.
12574 2006-01-26 Paolo Bonzini <bonzini@gnu.org>
12576 * config/i386/i386.md (extendsfdf2, extendsfxf2, extenddfxf2): Emit
12577 constants provided by 80387 instructions in the destination mode.
12579 2006-01-26 Richard Guenther <rguenther@suse.de>
12580 Andrew Pinski <pinskia@physics.uc.edu>
12583 partial PR tree-opt/17064
12584 * tree-ssa-structalias.c (intra_create_variable_infos):
12585 Create heap variables for incoming parameters if
12586 flag_argument_noalias > 1.
12587 (find_what_p_points_to): Look through default defs of
12590 2006-01-26 Jeff Law <law@redhat.com>
12593 * tree-vrp.c (extract_range_from_assert): When merging a VR_RANGE
12594 with a VR_ANTI_RANGE and the VR_ANTI_RANGE is completely contained
12595 within the VR_RANGE, use the VR_RANGE as the result, not the
12597 (adjust_range_with_scev): Reject ranges from SCEV which are out of
12598 bounds for the type.
12600 2006-01-26 Daniel Berlin <dberlin@dberlin.org>
12602 * tree-ssa-alias.c (maybe_create_global_var): Change
12603 subvar walking to an assertion that we don't have subvar'd variables.
12605 2006-01-26 Andrew Pinski <pinskia@physics.uc.edu>
12608 * c-common.c (c_common_truthvalue_conversion) <case ADDR_EXPR>:
12609 Use a new variable, inner. PARM_DECLs are always non-weak.
12611 2006-01-26 Shantonu Sen <ssen@opendarwin.org>
12613 * tree.h (OMP_CLAUSE_SUBCODE_CHECK): Add definition for
12614 --disable-checking.
12616 2006-01-26 Adam Nemet <anemet@caviumnetworks.com>
12618 * config/mips/mips.md (*clear_upper32): New combiner pattern.
12620 2006-01-26 Richard Earnshaw <richard.earnshaw@arm.com>
12622 * arm.md (smaxsi3, sminsi3): Convert to define_expand.
12623 (smax_insn, smin_insn, smax_0, smin_0): New.
12625 2006-01-26 Hans-Peter Nilsson <hp@axis.com>
12628 * config/cris/cris.c (cris_order_for_addsi3): New function.
12629 * config/cris/cris-protos.h: Prototype it.
12630 * config/cris/cris.md (split for "move.S1 [rx=rx+i],ry")
12631 (split for "move.S1 ry,[rx=rx+i]", split for "clear.[bwd] [rx=rx+i]")
12632 (split for "mov(s|u).S1 [rx=rx+i],ry", split for "op.S1 [rx=rx+i],ry")
12633 (split for "op.S1 [rx=rx+i],ry (swapped)")
12634 (split for "op(s|u).S1 [rx=rx+i],ry")
12635 (split for "op(s|u).S1 [rx=rx+i],ry (swapped, plus or bound)"):
12636 Apply cris_order_for_addsi3 when generating addsi3 insns.
12638 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12640 * tree.h (TREE_RANGE_CHECK): Fix range predicate.
12641 (TREE_BLOCK): Add call to EXPR_CHECK.
12643 2006-01-25 Diego Novillo <dnovillo@redhat.com>
12646 * tree-dump.c (dequeue_and_dump): Handle OMP_CLAUSE.
12647 * tree-pretty-print.c (dump_omp_clause): Extract from ...
12648 (dump_omp_clauses): ... here.
12649 (dump_generic_node): Handle OMP_CLAUSE.
12650 * tree.c (omp_clause_num_ops): New.
12651 (omp_clause_code_name): New.
12652 (tree_code_size): Handle OMP_CLAUSE.
12653 (tree_size): Likewise.
12654 (make_node): Document handling of OMP_CLAUSE.
12655 (tree_node_structure): Handle OMP_CLAUSE.
12656 (omp_clause_check_failed): New.
12657 (omp_clause_range_check_failed): New.
12658 (omp_clause_operand_check_failed): New.
12659 (build_omp_clause): New.
12660 (walk_tree): Adjust handling of OMP_CLAUSE_* nodes.
12661 * tree.h (enum omp_clause_code): Declare.
12662 (OMP_CLAUSE_SUBCODE_CHECK): Define.
12663 (OMP_CLAUSE_RANGE_CHECK): Define.
12664 (OMP_CLAUSE_ELT_CHECK): Define.
12665 (omp_clause_check_failed): Declare.
12666 (omp_clause_operand_check_failed): Declare.
12667 (omp_clause_range_check_failed): Declare.
12668 (OMP_CLAUSE_CHAIN): Do not use TREE_RANGE_CHECK.
12669 (OMP_CLAUSE_OPERAND): Use OMP_CLAUSE_RANGE_CHECK.
12670 (OMP_CLAUSE_PRIVATE_DEBUG): Use OMP_CLAUSE_SUBCODE_CHECK.
12671 (OMP_CLAUSE_LASTPRIVATE): Likewise.
12672 (OMP_CLAUSE_IF_EXPR): Likewise.
12673 (OMP_CLAUSE_NUM_THREADS_EXPR): Likewise.
12674 (OMP_CLAUSE_SCHEDULE_CHUNK_EXPR): Likewise.
12675 (OMP_CLAUSE_REDUCTION_CODE): Likewise.
12676 (OMP_CLAUSE_REDUCTION_INIT): Likewise.
12677 (OMP_CLAUSE_REDUCTION_MERGE): Likewise.
12678 (OMP_CLAUSE_REDUCTION_PLACEHOLDER): Likewise.
12679 Use tree_node.omp_clause.subcode instead of TREE_COMPLEXITY.
12680 (OMP_CLAUSE_SCHEDULE_KIND): Likewise.
12681 (OMP_CLAUSE_DEFAULT_KIND): Likewise.
12682 (OMP_CLAUSE_CODE): Define.
12683 (OMP_CLAUSE_SET_CODE): Define.
12684 (OMP_CLAUSE_CODE): Define.
12685 (OMP_CLAUSE_OPERAND): Define.
12686 (struct tree_omp_clause): Declare.
12687 (union tree_node): Add field 'omp_clause'.
12688 * treestruct.def (TS_OMP_CLAUSE): Define.
12689 * tree.def (OMP_CLAUSE_PRIVATE, OMP_CLAUSE_SHARED
12690 OMP_CLAUSE_FIRSTPRIVATE, OMP_CLAUSE_LASTPRIVATE,
12691 OMP_CLAUSE_REDUCTION, OMP_CLAUSE_COPYIN,
12692 OMP_CLAUSE_COPYPRIVATE, OMP_CLAUSE_IF,
12693 OMP_CLAUSE_NUM_THREADS, OMP_CLAUSE_SCHEDULE,
12694 OMP_CLAUSE_NOWAIT, OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Remove.
12695 (OMP_CLAUSE): Define.
12696 * print-tree.c (print_node): Handle OMP_CLAUSE.
12697 * omp-low.c: Adapt all uses of OMP_CLAUSE_* nodes.
12698 * c-typeck.c: Likewise.
12699 * gimplify.c: Likewise.
12700 * c-omp.c: Likewise.
12701 * tree-nested.c: Likewise.
12702 * tree-inline.c: Likewise.
12703 * c-parser.c: Likewise.
12704 * gimple-low.c (lower_omp_directive): Do not set TREE_BLOCK on
12707 2006-01-25 Roger Sayle <roger@eyesopen.com>
12709 PR rtl-optimization/25703
12710 * combine.c (try_combine): Handle zero_extract and strict_low_part
12711 of non-lowpart SUBREGs for constant reg_subword_p set optimization.
12713 2006-01-25 Peter Bergner <bergner@vnet.ibm.com>
12715 * global.c: Fix comment typos.
12717 2006-01-25 Andrew Pinski <pinskia@physics.uc.edu>
12720 * config/i386/i386.c (output_pic_addr_const) <case SYMBOL_REF>:
12721 Use output_addr_const instead of assemble_name.
12723 2006-01-25 Paolo Bonzini <bonzini@gnu.org>
12725 * Makefile.in (sched-vis.o): Update dependencies.
12726 * haifa-sched.c (sched_finish): Clear current_sched_info.
12727 * cfg.c (dump_bb_info): New, split from dump_flow_info.
12728 (dump_flow_info): Call it.
12729 * passes.c (execute_todo): Call print_rtl_slim_with_bb to make
12731 * basic-block.h (dump_bb_info): Declare.
12732 * tree-dump.c (dump_enable_all): OR the flags of a -fdump-tree-all
12733 option, and apply options only for dump files whose TDF_RTL,
12734 TDF_TREE, or TDF_IPA bits match.
12735 * rtl.h: Declare new functions exported from sched-vis.c.
12736 * sched-vis.c: Enable also if scheduling is not used.
12737 (print_value): Print the mode of registers if not inside scheduling.
12738 (print_insn): Make it work outside the scheduler. Beautify the output
12740 (dump_insn_slim, debug_insn_slim, print_rtl_slim_with_bb): New.
12742 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12744 * doc/rtl.texi (SYMBOL_REF_CONSTANT, SYMBOL_REF_DATA): Document.
12745 * gengtype.c (adjust_field_rtx_def): Garbage-collect field 2 of
12746 a SYMBOL_REF as either a tree or a constant_descriptor_rtx,
12747 depending on the value of CONSTANT_POOL_ADDRESS_P.
12748 * optabs.c (init_one_libfunc): Nullify SYMBOL_REF_DATA rather than
12750 * varasm.c (make_decl_rtl, build_constant_desc): Set SYMBOL_REF_DATA
12751 rather than SYMBOL_REF_DECL.
12752 (rtx_constant_pool): Remove const_rtx_sym_htab.
12753 (const_desc_rtx_sym_hash, const_desc_rtx_sym_eq): Delete.
12754 (init_varasm_status): Don't initialize const_rtx_sym_htab.
12755 (force_const_mem): Point SYMBOL_REF_DATA to the constant pool entry.
12756 Remove handling of const_rtx_sym_htab.
12757 (find_pool_constant): Delete.
12758 (get_pool_constant, get_pool_constant_mark): Use SYMBOL_REF_CONSTANT
12759 rather than find_pool_constant.
12760 (get_pool_constant_for_function): Delete.
12761 (get_pool_mode, mark_constant): Use SYMBOL_REF_CONSTANT rather than
12762 find_pool_constant.
12763 * rtl.h (rtunion_def): Add rt_constant and rt_ptr fields.
12764 (X0CONSTANT, X0PTR, SYMBOL_REF_DATA): New macros.
12765 (SYMBOL_REF_DECL): Return NULL if CONSTANT_POOL_ADDRESS_P.
12766 (SYMBOL_REF_CONSTANT): New macro.
12767 (get_pool_constant_for_function): Delete.
12768 * config/i386/winnt.c (i386_pe_mark_dllexport): Set SYMBOL_REF_DATA
12769 rather than SYMBOL_REF_DECL.
12770 (i386_pe_mark_dllimport): Likewise.
12771 * config/rs6000/rs6000.c (rs6000_emit_move): Copy SYMBOL_REF_DATA
12772 rather than SYMBOL_REF_DECL.
12773 * config/darwin.c (machopic_indirect_data_reference): Likewise.
12774 (machopic_indirect_call_target): Likewise.
12776 2006-01-25 Eric Botcazou <ebotcazou@adacore.com>
12778 * flow.c (delete_noop_moves): Add missing EOL to dump message.
12780 2006-01-25 Richard Sandiford <richard@codesourcery.com>
12782 * genattrtab.c (gen_bypass): Allow bypasses to contain whitespace.
12784 2006-01-25 Kaz Kojima <kkojima@gcc.gnu.org>
12786 * config/sh/predicates.md (sh_register_operand): Accept CONST_DOUBLE.
12788 2006-01-24 David Daney <ddaney@avtrex.com>
12791 * configure.ac (enable_tls): New enable option.
12792 (HAVE_AS_TLS): Don't do assembler check if enable_tls set.
12793 * configure: Regenerate.
12794 * doc/install.texi (--enable-tls): Document new option.
12795 (--disable-tls): Ditto.
12797 2006-01-24 Richard Henderson <rth@redehat.com>
12799 * alias.h (ALIAS_SET_MEMORY_BARRIER): New.
12800 * alias.c (true_dependence): Respect it.
12801 (canon_true_dependence, write_dependence_p): Likewise.
12802 * builtins.c (get_builtin_sync_mem): Set it.
12804 2006-01-25 Zdenek Dvorak <dvorakz@suse.cz>
12806 * loop-iv.c (iv_analysis_loop_init): Use df analysis in a more
12809 2006-01-24 DJ Delorie <dj@redhat.com>
12811 * expmed.c (store_bit_field): Don't arbitrarily deny using insv
12812 for storing constants in single-bit bitfields.
12814 2006-01-25 Ben Elliston <bje@au.ibm.com>
12816 * dfp.c (dfp_byte_swap): Use uint32_t and not unsigned long.
12818 2006-01-24 Andrew Pinski <pinskia@physics.uc.edu>
12821 * tree-ssa-pre.c (phi_translate): Return NULL
12822 for AGGREGATE_TYPE's.
12824 2006-01-24 Zack Weinberg <zackw@panix.com>
12826 * genautomata.c (process_state_for_insn_equiv_partition):
12827 Use xcalloc for insn_arcs_array.
12828 * vec.h (DEF_VEC_ALLOC_FUNC_I): New set of templates.
12829 (DEF_VEC_ALLOC_I): Use it, not DEF_VEC_ALLOC_FUNC_P.
12831 2006-01-24 Richard Henderson <rth@redhat.com>
12833 * genextract.c (VEC_safe_set_locstr): Take VEC by reference;
12834 update all callers.
12836 2006-01-23 Paolo Bonzini <bonzini@gnu.org>
12838 PR rtl-optimization/25890
12839 PR rtl-optimization/25905
12840 * combine.c (expand_compound_operation, expand_field_assignment):
12841 Fail if the bitfield's final position is out of bounds.
12843 2006-01-24 Ian Lance Taylor <ian@airs.com>
12845 PR middle-end/25930
12846 * cgraphunit.c (cgraph_output_in_order): Don't clear
12847 cgraph_asm_nodes until after asm strings have been output.
12849 2006-01-23 Adam Nemet <anemet@caviumnetworks.com>
12851 * fix-header.c (read_scan_file): Add new parameter imultilib when
12852 calling register_include_chains.
12854 2006-01-23 Diego Novillo <dnovillo@redhat.com>
12856 * omp-low.c: Update documentation.
12858 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
12859 Daniel Berlin <dberlin@dberlin.org>
12863 * tree-ssa-pre.c (insert_extra_phis): If an incomming edge is abnormal
12864 return from the function.
12866 2006-01-22 Zack Weinberg <zackw@panix.com>
12868 * rtl.def (match_code): Add second argument.
12869 * genpreds.c (write_extract_subexp): New function.
12870 (write_match_code): Add path argument. Use write_extract_subexp.
12871 (write_predicate_expr): Pass path to write_match_code.
12872 (mark_mode_tests): MATCH_CODE applied to a subexpression does
12873 not perform a mode test.
12874 * genrecog.c (compute_predicate_codes): MATCH_CODE applied to
12875 a subexpression does not constrain the top-level code set.
12876 * read-rtl.c (read_rtx_variadic): New function.
12877 (read_rtx_1): Use it; allow AND and IOR to be variadic.
12878 * doc/md.texi: Document new notation.
12879 * config/i386/predicates.md (cmpsi_operand_1): Fold into ...
12880 (cmpsi_operand): ... here, using new notation.
12882 2006-01-22 Zack Weinberg <zackw@panix.com>
12884 * varray.c: Remove GENERATOR_FILE #ifdefs.
12886 2006-01-22 Zack Weinberg <zackw@panix.com>
12888 * genautomata.c (output_reserved_units_table): Emit nothing if
12889 description->query_units_num is zero. Remove extra blank line.
12890 (output_cpu_unit_reservation_p): Short circuit
12891 if description->query_units_num is zero.
12893 2006-01-22 Zack Weinberg <zackw@panix.com>
12895 * genattrtab.c: Don't include genattrtab.h. Define ATTR_NONE
12896 and ATTR_SPECIAL (from genattrtab.h). Don't define num_dfa_decls
12897 nor any of the random handful of variables that used to be necessary
12898 when this program was linked with rtlanal.o. Prune set of forward
12899 function declarations.
12900 (struct attr_desc): Remove static_p field.
12901 (hash_obstack, temp_obstack, attr_hash_table, attr_printf)
12902 (check_attr_test, make_internal_attr, make_numeric_value): Make static.
12903 (attr_string): Do not read the character one past the length of
12905 (write_attr_get, find_attr, make_internal_attr): Don't touch static_p.
12906 (struct insn_reserv, all_insn_reservs, last_insn_reserv_p)
12907 (n_insn_reservs, gen_insn_reserv, struct bypass_list, all_bypasses)
12908 (n_bypasses, gen_bypass_1, gen_bypass, process_bypasses)
12909 (make_automaton_attrs): New.
12910 (main): Do not call into genautomata. Call local gen_bypass
12911 and gen_insn_reserv as appropriate. Call make_automaton_attrs.
12912 Remove special case for insn_alts.
12913 * genautomata.c: Include gensupport.h; not genattrtab.h nor
12914 varray.h (leftover from previous change). Prune set of forward
12915 function declarations. Remove state_alts fields from all
12916 structures. Remove state_alts_table from struct automaton.
12917 Make everything except main static. Do not maintain num_dfa_decls.
12918 Do not maintain state_alts fields of various structures.
12919 (process_decls): Don't validate condexp for dm_insn_reserv decls.
12920 (add_arc): Remove state_alts argument. All callers updated.
12921 (output_reserved_units_table): Emit #ifdef here...
12922 (output_tables): ...not here. Don't generate state_alts tables.
12923 (expand_automata): Don't generate attributes.
12924 (write_automata): Don't generate state_alts functions.
12925 (main): New function.
12926 (it_is_empty_reserv_sets, output_state_alts_full_vect_name)
12927 (output_state_alts_comb_vect_name, output_state_alts_check_vect_name)
12928 (AUTOMATON_STATE_ALTS_MACRO_NAME, INTERNAL_STATE_ALTS_FUNC_NAME)
12929 (STATE_ALTS_FUNC_NAME, INSN_DEFAULT_LATENCY_FUNC_NAME)
12930 (BYPASS_P_FUNC_NAME, output_state_alts_table)
12931 (output_automata_list_state_alts_code, output_internal_state_alts_func)
12932 (output_state_alts_func, make_insn_alts_attr, make_bypass_attr)
12933 (make_internal_dfa_insn_code_attr, make_default_insn_latency_attr):
12935 * genattr.c: Declare internal_dfa_insn_code in insn-attr.h.
12936 * genattrtab.h: Delete file.
12937 * Makefile.in (OBJS-common): Add insn-automata.o.
12938 (insn-automata.o): New rule.
12939 (simple_generated_c): Add insn-automata.c.
12940 (build/genattrtab.o, build/genautomata.o): Update dependencies.
12941 (genprogmd): Add automata.
12942 (build/genattrtab): Needs no extra objects nor libraries.
12943 (build/genautomata): Needs build/vec.o and -lm.
12945 2006-01-22 Zack Weinberg <zackw@panix.com>
12947 * genautomata.c (process_state_longest_path, max_dfa_issue_rate)
12948 (output_dfa_max_issue_rate, locked_states_num): Delete.
12949 (struct automaton): Add locked_states field.
12950 (output_dead_lock_vect): Save number of locked states in
12951 automaton->locked_states. If it is zero, don't print anything.
12952 (output_max_insn_queue_index_def): Define max_insn_queue_index const.
12953 (output_internal_dead_lock_func): Only test the dead_lock_vect
12954 for automata that have locked states.
12955 (output_statistics): Always print the number of locked states for
12956 each automaton. Calculate total number of locked states here.
12957 (write_automata): Don't call output_dfa_max_issue_rate.
12958 * genattrtab.c: Define length_unit_log as a const variable.
12959 * genattr.c: Don't emit MAX_DFA_ISSUE_RATE. Declare
12960 max_insn_queue_index const.
12961 * final.c (length_unit_log): Declare const.
12962 * doc/tm.texi: Remove all references to MAX_DFA_ISSUE_RATE.
12964 2006-01-22 Zack Weinberg <zackw@panix.com>
12966 * genautomata.c: Include vec.h, not varray.h.
12967 Delete vla_ptr_t, all of the VLA_PTR_ macros, and all of the
12968 VLA_HWINT_ macros. Change vla_hwint_t to a typedef for
12969 VEC(vect_el_t,heap) *. Convert all uses of VLA_* macros to
12970 VEC_* macros operating on appropriately typed vectors, or to
12971 malloced arrays when the size is known in advance. Const-ify
12972 many char* variables and function arguments. No functional changes.
12973 * Makefile.in (build/varray.o): Delete rule.
12974 (build/genattrtab): Depend on build/vec.o instead of build/varray.o.
12975 (build/genautomata.o): Depend on vec.h instead of $(VARRAY_H).
12977 2006-01-22 Zack Weinberg <zackw@panix.com>
12979 * gensupport.c: Define get_insn_name and record_insn_name here.
12980 (read_md_rtx): Call record_insn_name as appropriate.
12981 * genattr.c, genattrtab.c, gencodes.c, genconfig.c, genemit.c
12982 * genextract.c, genflags.c, genopinit.c, genoutput.c, genpeep.c
12983 * genpreds.c, genrecog.c: Don't define get_insn_name nor
12985 * Makefile.in (BUILD_SUPPORT, BUILD_PRINT): Fold into BUILD_RTL.
12986 (BUILD_VARRAY): Delete.
12987 (genprognormal): Rename genprogmd. Fold in all programs from
12988 genprognoprint; also attrtab.
12989 (build/genattrtab): Just mention genautomata.o and varray.o.
12990 Reorganize a bit, add comments to make the categories clearer.
12992 2006-01-22 Zack Weinberg <zackw@panix.com>
12994 * genconditions.c (condition_table, add_condition): Delete.
12995 (write_conditions): Don't emit n_insn_conditions nor
12996 insn_elision_unavailable. Issue the gcc version #ifdef here,
12997 inside the table, with no #else clause ...
12998 (write_header): ...not here.
12999 (write_writer): New function.
13000 (main): Don't initialize condition_table. Use add_c_test.
13002 * gensupport.c (init_md_reader_args_cb): Handle multiple input
13003 files on the command line.
13004 (maybe_eval_c_test): Don't check insn_elision_unavailable.
13005 Return -1 if there is no entry in the table, don't abort.
13006 (add_c_test, traverse_c_tests): New functions.
13007 * gensupport.h (insn_elision_unavailable, insn_conditions)
13008 (n_insn_conditions): Delete declarations.
13009 (add_c_test, traverse_c_tests): Declare.
13010 * read-rtl.c: Include gensupport.h.
13011 (read_conditions): New function.
13012 (read_rtx): If read_rtx_1 returns 0, treat as EOF.
13013 (read_rtx_1): If we get EOF when we were looking for an initial
13014 open paren, return 0. Call read_conditions when appropriate.
13015 * Makefile.in: Kill BUILD_EARLY_SUPPORT and all references to
13016 dummy-conditions.o. Eliminate references to insn-conditions.o,
13017 or change them to build/gencondmd.o, as appropriate. Remove
13018 insn-constants.h from $(simple_generated_h) and insn-conditions.c
13019 from $(simple_generated_c). For all files remaining in those
13020 two lists, add insn-conditions.md to the generator command line.
13021 Give insn-constants.h/s-constants their own rules. Add rules
13022 for build/gencondmd.c, s-conditions, insn-conditions.md, s-condmd.
13023 (build/read-rtl.o): Depend on gensupport.h.
13024 (genprognormal): Include preds.
13025 (genprogearly): Rename genprognoprint; only difference is now that
13026 they don't link with $(BUILD_PRINT).
13027 * dummy-conditions.c: Delete.
13029 2006-01-22 Zack Weinberg <zackw@panix.com>
13031 * genextract.c: Don't include insn-config.h. Do include vec.h.
13032 Declare vectors of int, char, and locstr.
13033 (locstr): New typedef.
13034 (struct extraction): Make all array fields into bare pointers.
13035 (insn_name_ptr, insn_name_ptr_size): Move down by get_insn_name.
13036 (insn_code_number): Delete.
13037 (accum_extract): New struct.
13038 (VEC_safe_set_locstr, VEC_char_to_string): New functions.
13039 (gen_insn): Take insn_code_number as an argument. Use an
13040 accum_extract structure instead of loading data directly into
13041 a struct extraction, and having to know how big it might get.
13042 (walk_rtx): Operate entirely on an accum_extract structure.
13043 (print_path): Avoid unnecessary use of printf.
13044 (print_header): New function, split out of main. Distinguish
13045 more carefully between an unrecognizable insn and an insn that
13046 has the code number of a define_expand.
13047 (main): Pass insn_code_number to gen_insn. Call print_header
13048 only after parsing. Avoid unnecessary use of printf.
13049 * Makefile.in (build/vec.o): New rule.
13050 (build/genextract): Depend on build/vec.o.
13051 (build/genextract.o): Don't depend on insn-config.h.
13053 2006-01-22 Zack Weinberg <zackw@panix.com>
13055 * Makefile.in: Consolidate most rules that use $(CC_FOR_BUILD) and/or
13056 $(RUN_GEN). Use pattern rules to factor out as much boilerplate as
13057 practical. Eliminate per-generator-program link rules.
13059 2006-01-23 Andrew Pinski <pinskia@physics.uc.edu>
13061 PR middle-end/24437
13062 * tree-ssa-ccp.c (fold_stmt): Move folding of OBJ_TYPE_REF
13063 with a call expr to ...
13064 * fold-const.c (fold_ternary) <case CALL_EXPR>: Here.
13066 2006-01-23 Richard Guenther <rguenther@suse.de>
13068 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Add comment
13069 before make_edge with conditional EDGE_TRUE_VALUE.
13071 2006-01-23 Steven Bosscher <stevenb.gcc@gmail.com>
13072 Jan Hubicka <jh@suse.cz>
13073 Richard Guenther <rguenther@suse.de>
13075 PR rtl-optimization/25654
13076 * cfgexpand.c (aggregate_contains_union_type): New function.
13077 (add_alias_set_conflicts): Call it. Make sure to add conflicts
13078 for structure variables that contain a union type.
13080 2006-01-23 Richard Sandiford <richard@codesourcery.com>
13082 * gengtype.c (new_structure): Return the structure.
13083 (create_option): Add an extra "next" argument.
13084 (create_field): New function.
13085 (adjust_field_rtx_def): Use create_option and create_field.
13086 Remove a now-unnecessary call to find_structure.
13087 (adjust_field_tree_def): Likewise.
13088 (note_yacc_type): Remove an unnecessary call to find_structure.
13089 * gengtype.h (new_structure): Return the structure.
13090 (create_option): Add an extra argument.
13091 * gengtype-yacc.y (type): Remove unnecessary calls to find_structure.
13092 (option): Adjust calls to create_option.
13094 2006-01-22 David Edelsohn <edelsohn@gnu.org>
13096 * config/rs6000/aix.h (STACK_BOUNDARY): Define.
13098 2006-01-22 Paul Brook <paul@codesourcery.com>
13099 Peter Barada <peter@the-baradas.com>
13101 * config/m68k/m68k.md: Add Coldfire FPU support.
13102 Define FP mode macro and associated attributes.
13103 Use it for float mode patterns.
13104 * config/m68k/linux.h (FUNCTION_VALUE): Use m68k_function_value.
13105 (LIBCALL_VALUE): Use m68k_libcall_value.
13106 * config/m68k/m68k-protos.h (m68k_libcall_value): Add prototype.
13107 (m68k_function_value): Ditto.
13108 (emit_move_sequence): Ditto.
13109 * config/m68k/m68kemb.h (LIBCALL_VALUE): Use m68k_libcall_value.
13110 * config/m68k/m68k-none.h (ASM_SPEC): Add mcfv4e.
13111 * config/m68k/t-m68kelf (MULTILIB_OPTIONS): Add mcfv4e.
13112 (MULTILIB_EXCEPTIONS): Ditto.
13113 * config/m68k/m68k.opt: Add mcfv4e.
13114 * config/m68k/m68k.c (m68k_handle_option): Handle OPT_mcfv4e.
13115 (m68k_compute_frame_layout): Include space for ColdFire FPU regs.
13116 (m68k_output_function_prologue): Save ColdFire FPU registers.
13117 (m68k_output_function_epilogue): Restore ColdFire FPU registers.
13118 (force_mode, fp_reg_operand, emit_move_sequence): New functions.
13119 (m68k_regno_mode_ok): Don't allow types larget than 8 bytes in
13120 ColdFire FPU registers.
13121 (m68k_libcall_value, m68k_function_value): New functions.
13122 * config/m68k/netbsd-elf.h (FUNCTION_VALUE): Use m68k_function_value.
13123 (LIBCALL_VALUE): Use m68k_libcall_value.
13124 * config/m68k/m68k.h (TARGET_CPU_CPP_BUILTINS): Define __mcfv4e__.
13125 (MASK_COLDFIRE): Add MASK_CFV4E.
13126 (TARGET_COLDFIRE_FPU, TARGET_HARD_FLOAT, TARGET_FP_REG_SIZE): New.
13127 (MODES_TIEABLE_P): Use TARGET_HARD_FLOAT.
13128 (REG_CLASS_FROM_LETTER, PREFERRED_RELOAD_CLASS): Ditto.
13129 (GO_IF_COLDFIRE_FPU_LEGITIMATE_ADDRESS): Define.
13130 (GO_IF_LEGITIMATE_ADDRESS): Use it.
13131 (LEGITIMIZE_ADDRESS): Handle ColdFire FPU addresses.
13132 * doc/invoke.tex: Document -mcfv4e on m68k.
13134 2006-01-22 Ranjit Mathew <rmathew@gcc.gnu.org>
13136 * doc/contribute.texi: Change CVS to SVN and update the corresponding
13139 2006-01-21 Gabriel Dos Reis <gdr@integrable-solutions.net>
13142 * c-opts.c (c_common_handle_option): Don't include
13143 -Wnon-virtual-dtor in -Wall; enable if -Weffc++.
13144 * doc/invoke.texi (C++ Dialect Options): Document that
13145 -Wnon-virtual-dtor is no longer included in -Wall.
13147 2006-01-21 Joseph S. Myers <joseph@codesourcery.com>
13149 * gcov.c (print_version), gcov-dump.c (print_version),
13150 mips-tdump.c (main), mips-tfile.c (main): Update copyright notice
13153 2006-01-21 Kenneth Zadeck <zadeck@naturalbridge.com>
13155 * df-scan.c (problem_SCAN): Added NULL reset function.
13156 (df_scan_reset_blocks): Added code to call reset block function
13157 (df_bb_refs_delete) Fixed comment.
13158 (df_insn_refs_delete): Made tolerant of deleting non existent info
13159 for dataflow problems that need to be reset.
13160 * df-core.c (df_set_blocks): Ditto.
13161 * df.h (struct df_problem): Added reset_fun.
13162 * df-problems.c (problem_RU, problem_RD, problem_LR, problem_UR,
13163 problem_UREC, problem_CHAIN, problem_RI): Initialized reset_fun field.
13164 (df_chain_insn_reset, df_chain_bb_reset, df_chain_reset): New
13165 functions to clear out all references to def-use or use-def chains.
13167 2006-01-21 Ben Elliston <bje@au.ibm.com>
13169 * varasm.c (assemble_real): Initialise data array.
13171 2006-01-20 Paul Brook <paul@codesourcery.com>
13173 Merge from csl-arm-branch.
13174 2005-09-21 Kazu Hirata <kazu@codesourcery.com>
13175 * config/arm/arm.md (movdi): Force operands[1] to a register
13176 if we have a non-register source.
13177 (*arm_movdi, *movdf_soft_insn): Require that one of the
13178 operands be a register.
13179 * config/arm/iwmmxt.md (*iwmmxt_arm_movdi): Likewise.
13180 * config/arm/vfp.md (*arm_movdi_vfp, *movdf_vfp): Likewise.
13182 2006-01-20 DJ Delorie <dj@redhat.com>
13184 * varasm.c (initializer_constant_valid_p): Allow pointers
13185 initialized from integer constants of lesser precision.
13186 (output_constant): Allow non-int-sized pointer modes to be
13187 initialized from integer constants.
13189 2006-01-20 Joseph S. Myers <joseph@codesourcery.com>
13192 * cppdefault.h (struct default_include): Add multilib flag.
13193 * cppdefault.c (cpp_include_defaults): Set it.
13194 * c.opt (-imultilib): New option.
13195 * c-opts.c (imultilib): New.
13196 (c_common_handle_option): Handle -imultilib.
13197 (c_common_post_options): Likewise.
13198 * c-incpath.c (add_standard_paths, register_include_chains):
13200 * c-incpath.h (register_include_chains): Add extra parameter.
13201 * gcc.c (do_spec_1): Generate -imultilib option.
13202 (The Specs Language): Update %I description.
13203 (process_command): Update copyright notice.
13204 * doc/cppopts.texi (-imultilib): Document.
13205 * doc/invoke.texi (-imultilib): Include in option summary.
13206 (%I): Update specs documentation.
13208 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13210 * loop-iv.c (iv_analysis_loop_init): Use df in more conservative way.
13212 2006-01-20 Richard Sandiford <richard@codesourcery.com>
13214 * stmt.c (case_bit_test_cmp): Stabilize the sort using code
13217 2006-01-20 Richard Guenther <rguenther@suse.de>
13218 Steven Bosscher <stevenb.gcc@gmail.com>
13220 PR rtl-optimization/24626
13221 * cfgloopmanip.c (lv_adjust_loop_entry_edge): Don't set
13222 EDGE_TRUE_VALUE if in RTL mode.
13225 2005-03-30 Mostafa Hagog <mustafa@il.ibm.com>
13226 * cfgrtl.c (rtl_verify_flow_info_1): Fix.
13228 2006-01-20 Dirk Mueller <dmueller@suse.com>
13231 * c-parser.c (c_parser_if_body): Use build_empty_stmt()
13232 instead of a special NOP marker.
13233 * c-typeck.c (c_finish_if_stmt): Remove obsoleted special
13234 NOP marker handling.
13235 * c-common.h (empty_body_warning): Add forward declaration.
13236 * c-common.c (empty_body_warning): Add (from c_finish_if_stmt).
13237 Now uses IS_EMPTY_STMT() instead of special NOP markers.
13239 2006-01-20 Paul Brook <paul@codesourcery.com>
13241 * Makefile.in (lang_checks): Keep going if mkdir fails.
13243 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13245 * df-scan.c (df_scan_free_bb_info): Added basic block parameter to
13246 be able to clean out basic block when not necessary.
13247 (df_scan_free): Fixed to properly delete information if df is
13248 unused before calling df_finish.
13249 (df_scan_alloc, df_rescan_blocks, df_reg_chain_unlink,
13250 df_insn_create_insn_record, df_bb_refs_record): Fixed formatting
13252 (df_bb_refs_delete): New function.
13253 (df_refs_delete): Moved per block code to df_bb_refs_delete.
13254 * df-core.c (df_set_blocks): Added code to properly clean out
13255 unused blocks if they are not part of the blocks to consider.
13256 Added additional null check.
13257 (df_compact_blocks): Added basic block parameter to free_bb_fun to
13258 be able to clean out basic block when not necessary
13259 * df.h (df_free_bb_function): Ditto.
13260 (df_bb_refs_delete): New function.
13261 * df-problems.c (df_ru_free_bb_info, df_rd_set_bb_info,
13262 df_lr_set_bb_info, df_ur_free_bb_info, df_urec_free_bb_info):Added
13263 basic block parameter to be able to clean out basic block when not
13265 (df_ru_alloc, df_rd_alloc): Fixed dyslexic overflow test.
13266 (df_ru_free, df_rd_free, df_lr_free, df_ur_free, df_urec_free):
13267 Fixed to properly delete information if df is unused before
13270 2006-01-19 Kenneth Zadeck <zadeck@naturalbridge.com>
13272 PR rtl-optimization/25799
13273 * df-problems.c (df_ru_confluence_n, df_rd_confluence_n):
13274 Corrected confluence operator to remove bits from op2 before oring
13275 with op1 rather than removing bits from op1.
13276 (df_ru_transfer_function): Corrected test on wrong bitmap which
13277 caused infinite loop. Both of these problems were introduced in
13278 the dataflow rewrite.
13280 2006-01-19 DJ Delorie <dj@redhat.com>
13282 * reload1.c (find_reload_regs): Note the details of reload
13283 failures in the dump file.
13284 (spill_failure): Likewise.
13286 2006-01-20 Zdenek Dvorak <dvorakz@suse.cz>
13288 * loop-iv.c: Include df.h and hashtab.h.
13289 (enum iv_grd_result): New enum.
13290 (DF_REF_IV, DF_REF_IV_SET): New macros.
13291 (struct biv_entry): New.
13292 (df, bivs): New global variables.
13293 (struct insn_info, insn_info, last_def, bivs, max_insn_no, max_reg_no,
13294 assign_luids, mark_sets, kill_sets, mark_single_set, simple_set_p):
13296 (clear_iv_info, latch_dominating_def, record_iv, iv_analyze_expr,
13297 iv_analyze_result, iv_analyze_def, biv_hash, biv_eq,
13298 analyzed_for_bivness_p, record_biv): New functions.
13299 (iv_analysis_loop_init, iv_get_reaching_def, simple_reg_p,
13300 get_biv_step_1, get_biv_step, iv_analyze_biv, iv_analyze_op,
13301 iv_analyze, biv_p, iv_analysis_done): Work with df representation of
13303 (iv_constant, iv_subreg, iv_extend, iv_mult, iv_shift): Do not set
13305 (iv_number_of_iterations): Use new interface to iv analysis.
13306 * loop-unroll.c: Do not include varray.h.
13307 (analyze_iv_to_split_insn): Use new interface to iv
13309 * loop-unswitch.c (may_unswitch_on): Ditto.
13310 * df.c (df_bitmaps_free): Only work for bbs for that structures are
13312 (df_bb_modify): Realloc tables to the new index.
13313 (df_find_use): New function.
13314 * df.h (df_find_use): Declare.
13315 * optabs.c (expand_unop): Make the mode of the REG_EQUAL node be
13317 * cfgloop.h (struct rtx_iv): Remove analysed field.
13318 (iv_get_reaching_def): Removed.
13319 (iv_analyze_result, iv_analyze_expr, iv_current_loop_df): Declare.
13320 * Makefile.in (loop-unroll.o): Remove VARRAY_H dependency.
13321 (loop-iv.o): Add df.h and hashtab.h dependency.
13322 * df-problems.c (df_ru_alloc, df_rd_alloc): Fix memory reallocation.
13324 2006-01-20 Alan Modra <amodra@bigpond.net.au>
13327 * libgcc2.c (__floatdisf, __floatdidf): Don't use IBM Extended
13329 (__floatundisf, __floatundidf): Likewise.
13330 * libgcc2.h (IS_IBM_EXTENDED): Define.
13332 2006-01-19 DJ Delorie <dj@redhat.com>
13334 * config/m32c/m32c.h (REG_ALLOC_ORDER): Define.
13336 2006-01-19 Paul Brook <paul@codesourcery.com>
13338 * config/arm/arm.c (arm_compute_func_type): Treat all functions
13339 as nothrow when unwinding tables are disabled.
13341 2006-01-19 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
13344 * c-decl.c (check_bitfield_type_and_width): Don't issue pedwarn "type
13345 of bit-field" when in system header.
13347 2006-01-19 DJ Delorie <dj@redhat.com>
13349 * config/m32c/m32c.c (m32c_prepare_shift): Add code to deal with
13350 the 16 bit shift limit of the m16c.
13352 2006-01-19 Andrew Pinski <pinskia@physics.uc.edu>
13355 * config/i386/i386.md (builtin_setjmp_receiver): Don't emit the label.
13356 * config/i386/i386.c (output_set_got): Output the label if we have one
13357 for the TARGET_DEEP_BRANCH_PREDICTION case.
13359 2006-01-19 Jan Hubicka <jh@suse.cz>
13360 H.J. Lu <hongjiu.lu@intel.com>
13361 Evandro Menezes <evandro.menezes@amd.com>
13363 * invoke.texi (generic): Document
13365 * config.gcc: Make x86_64-* and i686-* default to generic tunning.
13366 * i386.h (TARGET_GENERIC32, TARGET_GENERIC64, TARGET_GENERIC,
13367 TARGET_USE_INCDEC, TARGET_PAD_RETURNS): New macros.
13368 (x86_use_incdec, x86_pad_returns): New variables
13369 (TARGET_CPU_DEFAULT_generic): New constant
13370 (TARGET_CPU_DEFAULT_NAMES): Add generic.
13371 (enum processor_type): Add generic32 and generic64.
13372 * i386.md (cpu attribute): Add generic32/generic64
13373 (movhi splitter): Behave sanely when both partial_reg_dependency and
13374 partial_reg_stall are set.
13375 (K8 splitters): Enable for generic as well.
13376 * predicates.md (incdec_operand): Use TARGET_INCDEC
13377 (aligned_operand): Avoid memory mismatch stalls.
13378 * athlon.md: Enable for generic64, new patterns for 128bit moves.
13379 * ppro.md: Enable for generic32
13380 * i386.c (generic64_cost, generic32_cost): New.
13381 (m_GENERIC32, m_GENERIC64, m_GENERIC): New macros.
13382 (x86_use_leave): Enable for generic64. (x86_use_sahf,
13383 x86_ext_80387_constants): Enable for generic32. (x86_push_memory,
13384 x86_movx, x86_unroll_strlen, x86_deep_branch, x86_use_simode_fiop,
13385 x86_use_cltd, x86_promote_QImode, x86_sub_esp_4, x86_sub_esp_8,
13386 x86_add_esp_4, x86_add_esp_8, x86_integer_DFmode_moves,
13387 x86_partial_reg_dependency, x86_memory_mismatch_stall,
13388 x86_accumulate_outgoing_args, x86_prologue_using_move,
13389 x86_epilogue_using_move, x86_arch_always_fancy_math_387,
13390 x86_sse_partial_reg_dependency, x86_four_jump_limit, x86_schedule):
13391 Enable for generic.
13392 (x86_use_incdec, x86_pad_returns): New.
13393 (override_options): Add generic32 and generic64, translate "generic"
13394 to generic32/generic64 and "i686" to "generic32", refuse
13395 "generic32"/"generic64" as arch target.
13396 (ix86_issue_rate, ix86_adjust_cost): Handle generic as athlon.
13397 (ix86_reorg): Honor PAD_RETURNS.
13399 2006-01-19 Diego Novillo <dnovillo@redhat.com>
13401 * tree-pretty-print.c (dump_generic_node): Handle
13402 OMP_PARALLEL_FN, OMP_PARALLEL_DATA_ARG and OMP_RETURN_EXPR.
13403 * cgraph.c (cgraph_expand_queue): Rename from
13404 cgraph_analyze_queue. Update all users.
13405 * cgraphunit.c (cgraph_assemble_pending_functions): Process
13406 cgraph_expand_queue.
13407 (cgraph_expand_all_functions): Likewise.
13408 (cgraph_finalize_pending_functions): Remove. Update callers.
13410 * tree.h (OMP_DIRECTIVE_P): Define.
13411 (OMP_PARALLEL_FN): Define.
13412 (OMP_PARALLEL_DATA_ARG): Define.
13413 (OMP_SECTIONS_SECTIONS): Define.
13414 * tree-pass.h (pass_expand_omp): Declare.
13415 * omp-low.c (struct omp_region): Declare.
13416 (struct omp_context): Remove fields 'parallel_type',
13417 'parallel_start_ix' and 'parallel_start_additional_args'.
13419 (struct omp_for_data): Rename from struct expand_omp_for_data.
13420 (omp_regions): New static variable.
13421 (root_omp_region): New static variable.
13422 (find_omp_clause): Make static.
13423 (is_in_combined_parallel_ctx): Remove.
13424 (is_combined_parallel): New.
13425 (extract_omp_for_data): Move earlier in the file.
13426 (workshare_safe_to_combine_p): New.
13427 (get_ws_args_for): New.
13428 (determine_parallel_type): Move earlier in the file.
13429 (omp_copy_decl_2): Do not set DECL_CONTEXT of new local to the
13431 (omp_copy_decl): Likewise.
13432 (create_omp_child_function): Likewise.
13433 (lookup_omp_region): New.
13434 (dump_omp_region): New.
13435 (debug_omp_region): New.
13436 (debug_all_omp_regions): New.
13437 (new_omp_region): New.
13438 (scan_omp_parallel): If parallel_nesting_level > 1, the
13439 directive is nested within another parallel directive.
13440 Set OMP_PARALLEL_FN.
13441 (scan_omp_for): Do not try to handle combined parallel+for
13443 Remove FIXME comment.
13444 (scan_omp_nested): Remove.
13445 (scan_omp_1): Do not call scan_omp_nested when
13446 parallel_nesting_level is > 1.
13447 Do not change the DECL_CONTEXT of local variables found.
13448 (lookup_decl_in_outer_ctx): New.
13449 (lower_rec_input_clauses): Rename from expand_rec_input_clauses.
13450 (lower_lastprivate_clauses): Rename from expand_lastprivate_clauses.
13451 (lower_reduction_clauses): Rename from expand_reduction_clauses.
13452 (lower_copyprivate_clauses): Rename from expand_copyprivate_clauses.
13453 If CTX is nested, lookup VAR in the outer context when
13454 building copy assignment.
13455 (lower_send_clauses): Rename from expand_send_clauses.
13456 If CTX is nested, lookup VAR in the outer context when
13457 building copy assignments.
13458 (lower_send_shared_vars): Rename from expand_send_shared_vars.
13459 If CTX is nested, lookup VAR in the outer context when
13460 building copy assignments.
13461 (expand_parallel_call): Rename from build_parallel_call.
13462 Handle combined parallel+workshare cases.
13463 Re-implement to emit code into the CFG.
13465 (expand_omp_parallel): Re-implement to emit code into the CFG.
13466 Call move_sese_region_to_fn to outline the sub-graph
13467 containing the parallel region.
13468 (expand_omp_for_1): Remove.
13469 (expand_omp_for_generic): Re-implement to emit code into the
13471 (expand_omp_for_static_nochunk): Likewise.
13472 (expand_omp_for_static_chunk): Likewise.
13473 (expand_omp_for): Likewise.
13474 (expand_omp_sections): Likewise.
13475 (remove_exit_barriers): New.
13476 (expand_omp_synch): New.
13478 (build_omp_regions_1): New.
13479 (build_omp_regions): New.
13480 (execute_expand_omp): New.
13481 (gate_expand_omp): New.
13482 (pass_expand_omp): Define.
13483 (lower_omp_sections): Rename from expand_omp_sections.
13484 Set OMP_SECTIONS_SECTIONS.
13485 (lower_omp_single_simple): Rename from expand_omp_single_simple.
13486 (lower_omp_single_copy): Rename from expand_omp_single_copy.
13487 (lower_omp_single): Rename from expand_omp_simple.
13488 (lower_omp_master): Rename from expand_omp_master.
13489 (lower_omp_ordered): Rename from expand_omp_ordered.
13490 (lower_omp_critical): Rename from expand_omp_critical.
13491 (lower_omp_for_lastprivate): Rename from expand_omp_for_lastprivate.
13492 (lower_omp_for): Re-implement.
13493 (lower_omp_parallel): Re-implement.
13494 (lower_regimplify): Rename from expand_regimplify.
13495 (lower_omp_1): Rename from expand_omp_1.
13496 If there are syntax errors in the program, replace every
13497 OpenMP directive with NOP.
13498 Call lower_omp_* instead of expand_omp_*.
13499 (lower_omp): Rename from expand_omp.
13501 * tree-gimple.c (is_gimple_stmt): Handle OMP_RETURN_EXPR.
13502 * tree-gimple.h (enum omp_parallel_type): Remove.
13503 (gimple_boolify): Declare extern.
13504 (find_omp_clause, determine_parallel_type): Remove.
13506 * gimple-low.c (lower_omp_directive): New.
13507 (lower_stmt): Call it.
13508 (record_vars_into): Move from ...
13509 (record_vars): ... here.
13510 Call record_vars_into with current_function_decl.
13512 * gimplify.c (struct gimplify_ctx): Remove fields
13513 combined_pre_p and combined_ctxp. Update users.
13514 (get_formal_tmp_var): Add documentation.
13515 (gimple_boolify): Make extern.
13516 (gimplify_expr_in_ctx): Remove. Update callers.
13517 (gimplify_omp_parallel): Do not assume that OMP_PARALLEL_BODY
13518 will always be a BIND_EXPR.
13519 (gimplify_expr): Handle OMP_RETURN_EXPR.
13520 * tree.def (BLOCK): Remove documentation about BLOCK_TYPE_TAGS.
13521 (OMP_PARALLEL): Add 3 operands.
13522 (OMP_SECTIONS): Add 1 operand.
13523 (OMP_RETURN_EXPR): Define.
13525 * tree-inline.c (estimate_num_insns_1): Handle OpenMP directives.
13526 (copy_tree_r): Restore TREE_CHAIN in OMP_CLAUSE_*.
13527 * tree-iterator.c (alloc_stmt_list): Assert that we are not
13528 creating a circular free list.
13529 (free_stmt_list): Assert that we are not freeing stmt_list_cache.
13531 * tree-flow.h (move_sese_region_to_fn): Declare.
13532 (record_vars_into): Declare.
13533 * tree-cfg.c (make_omp_sections_edges): New.
13534 (make_exit_edges): Handle OMP_PARALLEL, OMP_FOR, OMP_SINGLE,
13535 OMP_MASTER, OMP_ORDERED, OMP_CRITICAL, OMP_RETURN_EXPR,
13536 OMP_SECTIONS and OMP_SECTION.
13537 (is_ctrl_altering_stmt): Return true for OMP_DIRECTIVE_P.
13538 (set_bb_for_stmt): Undo change to check currently_expanding_to_rtl.
13539 (verify_stmt): Do not handle OMP_DIRECTIVE_P.
13540 (gather_blocks_in_sese_region): New.
13541 (struct move_stmt_d): Declare.
13542 (move_stmt_r): New.
13543 (move_block_to_fn): New.
13544 (move_sese_region_to_fn): New.
13546 * passes.c (init_optimization_passes): Schedule
13547 pass_expand_omp after pass_init_datastructures.
13549 * tree-ssa-operands.c (get_expr_operands): Handle
13550 OMP_PARALLEL, OMP_SECTIONS, OMP_FOR, OMP_RETURN_EXPR,
13551 OMP_SINGLE, OMP_MASTER, OMP_ORDERED, OMP_CRITICAL.
13553 2006-01-19 Jeff Law <law@redhat.com>
13555 * tree-vrp.c (extract_range_from_assert): Refine the result range
13556 if the variable referenced by the ASSERT_EXPR has a range and
13557 either the tentative result range or the previous range is a
13560 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13562 * c-decl.c (add_flexible_array_elts_to_size): Simplify vector accesses.
13564 2006-01-19 Jan Hubicka <jh@suse.cz>
13566 * tree-vect-patterns.c (vect_pattern_recog_1): Prevent parse error.
13568 2006-01-19 Paolo Bonzini <bonzini@gnu.org>
13570 * combine.c (try_combine): Do not worry about MEMs wrapped by USEs.
13571 (expand_compound_operation, expand_field_assignment): Fail if the
13572 bit lengths of an extract operation are out of range.
13573 (make_extraction): Compute wanted_inner_mode based on the position
13574 and length of the extraction. Make it extraction_mode for non-constant
13575 positions, and do not modify offset in that case. When generating a
13576 new MEM, use a mode that can hold the extraction while keeping correct
13577 alignment. Remove code that supported MEMs wrapped by USEs.
13578 (simplify_shift_const_1, force_to_mode) <case USE>: Remove.
13580 2006-01-19 Andreas Krebbel <krebbel1@de.ibm.com>
13582 * config/s390/s390.md ("Y", "y"): New mode attribute.
13583 ("*cmpdi_ccs", "*cmpsi_ccs", "*adddi3_imm_cc", "*adddi3_carry1_cc",
13584 "*adddi3_carry1_cconly", "*adddi3_carry2_cc", "*adddi3_carry2_cconly",
13585 "*adddi3_cc", "*adddi3_cconly", "*adddi3_cconly2", "*adddi3_64",
13586 "*addsi3_imm_cc", "*addsi3_carry1_cc",
13587 "*addsi3_carry1_cconly", "*addsi3_carry2_cc", "*addsi3_carr2_cconly",
13588 "*addsi3_cc", "*addsi3_cconly", "*addsi3_cconly2",
13589 "*subdi3_borrow_cc", "*subdi3_borrow_cconly", "*subdi3_cc",
13590 "*subdi3_cc2", "*subdi3_cconly", "*subdi3_cconly2", "*subdi3_64",
13591 "*subsi3_borrow_cc", "*subsi3_borrow_cconly", "*subsi3_cc",
13592 "*subsi3_cc2", "*subsi3_cconly", "*subsi3_cconly", "*subsi3_cconly2",
13593 "addsi3", "subsi3"): Insn patterns removed.
13594 ("*add<mode>3_carry1_cc", "*add<mode>3_carry1_cconly",
13595 "*add<mode>3_carry2_cc", "*add<mode>3_carry2_cconly", "*add<mode>3_cc",
13596 "*add<mode>3_cconly", "*add<mode>3_cconly2", "*add<mode>3_imm_cc",
13597 "*sub<mode>3_borrow_cc", "*sub<mode>3_borrow_cconly",
13598 "*sub<mode>3_cc", "*sub<mode>3_cc2", "*sub<mode>3_cconly",
13599 "*sub<mode>3_cconly2"): New insn patterns.
13600 ("addsi3", "subsi3"): New expanders.
13602 2006-01-19 Dorit Nuzman <dorit@il.ibm.com>
13604 * Makefile.in (tree-vect-patterns.o): Add rule for new file.
13605 * tree-vect-analyze.c (vect_determine_vectorization_factor): Use
13606 existing STMT_VINFO_VECTYPE if available.
13607 (vect_mark_relevant): Add special handling for stmts that are
13608 marked as STMT_VINFO_IN_PATTERN_P.
13609 (vect_analyze_loop): Call vect_pattern_recog.
13610 * tree-vectorizer.c (new_stmt_vec_info): Initialize new fields.
13611 * tree-vectorizer.h (in_pattern_p, related_stmt): New fields in
13613 (STMT_VINFO_IN_PATTERN_P, STMT_VINFO_RELATED_STMT): New macros.
13614 (vect_recog_func_ptr): New function-pointer type.
13615 * tree-vect-patterns.c: New file.
13616 (vect_recog_widen_sum_pattern, vect_recog_widen_mult_pattern):
13617 (vect_recog_dot_prod_pattern, vect_pattern_recog):
13618 (vect_pattern_recog_1): New functions.
13619 (vect_pattern_recog_funcs): New array of function pointers.
13621 * tree-vectorizer.h (ternary_op): New enum value.
13622 * tree-vect-transform.c (vect_create_epilog_for_reduction): Added
13623 declaration. Revised documentation. Removed redundant dump prints.
13624 Removed redundant argument. Added support for reduction patterns.
13625 (vectorizable_reduction): Added support for reduction patterns.
13626 (vect_transform_stmt): Added support for patterns.
13628 * expr.c (expand_expr_real_1): Added case for DOT_PROD_EXPR.
13629 * genopinit.c (udot_prod_optab, sdot_prod_optab): Initialize.
13630 * optabs.c (optab_for_tree_code): Added case for DOT_PROD_EXPR.
13631 (expand_widen_pattern_expr): New function.
13632 (init_optabs): Initialize new optabs udot_prod_optab,
13634 * optabs.h (OTI_sdot_prod, OTI_udot_prod): New.
13635 (sdot_prod_optab, udot_prod_optab): Define new optabs.
13636 (expand_widen_pattern_expr): New function declaration.
13637 * tree.def (DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR): New
13639 * tree-inline.c (estimate_num_insns_1): Added cases for new
13640 tree-codes DOT_PROD_EXPR, WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13641 * tree-pretty-print.c (dump_generic_node): Likewise.
13642 (op_prio): Likewise.
13643 (op_symbol): Added cases for WIDEN_SUM_EXPR, WIDEN_MULT_EXPR.
13644 * tree-ssa-operands.c (get_expr_operands): Added case for
13646 * tree-vect-patterns.c (widened_name_p): New function.
13647 (vect_recog_dot_prod_pattern): Added function implementation.
13648 * tree-vect-transform.c (get_initial_def_for_reduction): Added
13649 cases for DOT_PROD_EXPR, WIDEN_SUM_EXPR.
13650 * config/rs6000/altivec.md (udot_prod<mode>, sdot_prodv8hi): New.
13651 * config/i386/sse.md (sdot_prodv8hi, udot_prodv4si): New.
13653 * expr.c (expand_expr_real_1): Added case for WIDEN_SUM_EXPR.
13654 * genopinit.c (widen_ssum_optab, widen_usum_optab): Initialize.
13655 * optabs.c (optab_for_tree_code): Added case for WIDEN_SUM_EXPR.
13656 (init_optabs): Initialize new optabs widen_ssum_optab,
13658 * optabs.h (OTI_widen_ssum, OTI_widen_usum): New.
13659 (widen_ssum_optab, widen_usum_optab): Define new optabs.
13660 * tree-vect-generic.c: (expand_vector_operations_1): Check type of
13661 use instead of type of def.
13662 * tree-vect-patterns.c (vect_recog_widen_sum_pattern): Added
13663 function implementation.
13664 * config/rs6000/altivec.md (widen_usum<mode>, widen_ssumv16qi,
13665 widen_ssumv8hi): New.
13667 * doc/tm.texi (ssum_widen, usum_widen, sdot_prod, udot_prod): New
13670 2006-01-19 Richard Sandiford <richard@codesourcery.com>
13673 * c-decl.c (add_flexible_array_elts_to_size): New function.
13674 (finish_decl): Use it.
13676 2006-01-18 Andrew Pinski <pinskia@physics.uc.edu>
13678 * diagnostic.h: Include options.h.
13679 * config/rs6000/x-darwin (host-ppc-darwin.o): Correct the
13680 dependancies for diagnostic.h.
13681 * Makefile.in (DIAGNOSTIC_H): Add options.h.
13683 2006-01-16 Daniel Berlin <dberlin@dberlin.org>
13685 * tree-ssa-operands.h (ssa_call_clobbered_cache_valid): Remove.
13686 (ssa_ro_call_cache_valid): Ditto.
13687 * tree-ssa-alias.c (sort_tags_by_id): New function.
13688 (init_transitive_clobber_worklist): Ditto.
13689 (add_to_worklist): Ditto.
13690 (mark_aliases_call_clobbered): Ditto.
13691 (compute_tag_properties): Ditto.
13692 (set_initial_properties): Ditto.
13693 (compute_call_clobbered): Ditto.
13694 (compute_may_aliases): Call compute_call_clobbered and grouping.
13695 (compute_flow_sensitive_aliasing): Remove clobbering related code.
13696 (compute_flow_insensitive_aliasing): Grouping now happens in our
13698 (setup_pointers_and_addressables): Remove clobbering related code.
13699 (add_may_alias): Ditto.
13700 (replace_may_alias): Ditto.
13701 (get_nmt_for): Ditto.
13702 (create_global_var):
13703 (is_escape_site): Return an escape_type enumeration.
13704 * tree-flow-inline.h (is_call_clobbered): Global var does not
13705 imply call clobbered.
13706 (mark_call_clobbered): Take a reason for marking this. Remove
13707 marking of globalness, and cache invalidation.
13708 (clear_call_clobbered): Remove cache invalidation code.
13709 * tree-dfa.c (dump_variable): If details is on, dump the reason
13711 * tree-outof-ssa.c (create_temp): Copy escape mask from original
13713 * tree-flow.h (struct ptr_info_def): Add escape mask member.
13714 (struct var_ann_d): Ditto.
13715 (enum escape_type): New.
13716 (mark_call_clobbered): Adjust prototype.
13717 * tree-ssa-structalias.c (update_alias_info): Unmodifiable vars
13718 are never call clobbered.
13719 Record reasons for escaping.
13720 * tree-ssa-structalias.h (is_escape_site): Update prototype.
13721 * tree-ssa-operands.c (ssa_call_clobbered_cache_valid): Remove.
13722 (ssa_ro_call_cache_valid): Ditto.
13723 (clobbered_v_may_defs): Ditto.
13724 (clobbered_vuses): Ditto.
13725 (ro_call_vuses): Ditto.
13726 (clobber_stats): New.
13727 (init_ssa_operands): Zero out clobber stats.
13728 (fini_ssa_operands): Print out clobber stats.
13729 (get_call_expr_operands): Pass callee fndecl to
13730 add_call_read_ops).
13731 (add_call_clobber_ops): Remove use of cache.
13732 Add use of PURE_CONST information.
13733 (add_call_read_ops): Remove use of cache.
13734 Add use of static not_read information.
13736 2006-01-18 Alexandre Oliva <aoliva@redhat.com>
13738 Introduce TLS descriptors for i386 and x86_64.
13739 * config/i386/i386.h (TARGET_GNU2_TLS): New macro.
13740 (TARGET_ANY_GNU_TLS): New macro.
13741 (enum tls_dialect): Added TLS_DIALECT_GNU2.
13742 (struct machine_function): Add tls_descriptor_call_expanded_p.
13743 (ix86_tls_descriptor_calls_expande_in_cfun): New macro.
13744 (ix86_current_function_calls_tls_descriptor): Likewise.
13745 * config/i386/i386.c (ix86_tls_dialect): Fix typo in comment.
13746 (override_options): Introduce gnu2 tls dialect.
13747 (ix86_frame_pointer_required): Functions containing TLSCALLs are
13749 (ix86_select_alt_pic_regnum, ix86_compute_frame_layout):
13751 (legitimize_tls_address): Adjust logic for GNU2 TLS.
13752 (ix86_init_machine_status): Initialize new field.
13753 (ix86_tls_get_addr): Use TARGET_ANY_GNU_TLS.
13754 (ix86_tls_module_base): New.
13755 * config/i386/i386-protos.h (ix86_tls_module_base): Declare it.
13756 * config/i386/i386.md (UNSPEC_TLSDESC): New constant.
13757 (tls_global_dynamic_32, tls_global_dynamic_64): Handle GNU2 TLS.
13758 (tls_local_dynamic_base_32, tls_local_dynamic_base_64): Likewise.
13759 (tls_dynamic_gnu2_32, *tls_dynamic_lea_32): New patterns.
13760 (*tls_dynamic_call_32, *tls_dynamic_gnu2_combine_32): Likewise.
13761 (tls_dynamic_gnu2_64, *tls_dynamic_lea_64): Likewise.
13762 (*tls_dynamic_call_64, *tls_dynamic_gnu2_combine_64): Likewise.
13763 * config/i386/predicates.md (tls_modbase_operand): New.
13764 (tp_or_register_operand): New.
13766 2006-01-18 Daniel Berlin <dberlin@dberlin.org>
13768 * ipa-reference.c (check_operand): Allow FUNCTION_DECL.
13769 (look_for_address_of): Ditto.
13770 (ipa_init): Walk the function decls.
13771 (static_execute): Don't set readonly on FUNCTION_DECL's.
13773 2006-01-18 Roger Sayle <roger@eyesopen.com>
13775 * config/i386/i386.md (shift spliter): Fix a a typo in the splitter
13776 for shifts where the source and destination registers are different.
13778 2006-01-18 Paul Brook <paul@codesourcery.com>
13780 Merge from csl-arm-branch.
13781 2005-03-14 Julian Brown <julian@codesourcery.com>
13782 * config/arm/lib1funcs.asm (ashldi3): Don't define on SymbianOS.
13783 (aeabi_llsl): Likewise.
13784 (ashrdi3): Likewise.
13785 (aeabi_lasr): Likewise.
13786 (lshrdi3): Likewise.
13787 (aeabi_llsr): Likewise.
13788 2005-03-10 Julian Brown <julian@codesourcery.com>
13789 * config.gcc: Disable shared libgcc for SymbianOS.
13790 * config/arm/t-symbian (LIB2ADDEH): Include config/arm/pr-support.c.
13792 2006-01-18 DJ Delorie <dj@redhat.com>
13794 * c-pragma.c (handle_pragma_diagnostic): New.
13795 (init_pragma): Register it.
13796 * doc/extend.texi: Document it.
13798 * diagnostic.def: Add DK_UNSPECIFIED and DK_IGNORED.
13799 * diagnostic.h (diagnostic_classify_diagnostic): Declare.
13800 (diagnostic_context): Add classify_diagnostic[].
13801 * diagnostic.c (diagnostic_count_diagnostic): Don't count warnings
13802 as errors if they're overridden to DK_WARNING.
13803 (diagnostic_initialize): Initialize classify_diagnostic[].
13804 (diagnostic_set_kind_override): New.
13805 (diagnostic_report_diagnostic): Check for kind changes.
13806 * opts.c (common_handle_option): Take lang_mask. Update callers.
13807 Handle OPT_Werror_.
13808 * common.opt (Werror=): New.
13809 * doc/invoke.texi: Document -Werror=*
13811 2006-01-18 Jeff Law <law@redhat.com>
13813 * tree-vrp.c (test_for_singularity): Correct test for new
13814 min limit. Use operand_equal_p rather than pointer equality
13815 for testing if new min/max values are equal.
13817 * tree-ssa-propagate.c (substitute_and_fold): Delay simplifications
13818 using range information until after propagation and folding.
13820 2006-01-18 Richard Henderson <rth@redhat.com>
13821 Aldy Hernandez <aldyh@redhat.com>
13822 Jakub Jelinek <jakub@redhat.com>
13823 Diego Novillo <dnovillo@redhat.com>
13825 * omp-low.c: New file.
13826 * c-omp.c: New file.
13828 2006-01-18 Richard Henderson <rth@redhat.com>
13829 Jakub Jelinek <jakub@redhat.com>
13830 Diego Novillo <dnovillo@redhat.com>
13832 * doc/invoke.texi: Document -fopenmp.
13833 * tree-dump.h (debug_function): Declare.
13834 * hooks.c (hook_bool_tree_bool_false): New function.
13835 (hook_tree_tree_null): Remove.
13836 (hook_tree_tree_tree_null): New.
13837 * hooks.h: Update to match.
13838 * tree-pretty-print.c (debug_tree_chain): New.
13839 (print_generic_expr): Handle TDF_CHAIN.
13840 (dump_generic_node): Handle BLOCK.
13841 Do not abort with incomplete SWITCH_EXPRs.
13842 Do not dump body of an OpenMP directive if TDF_SLIM is given.
13843 <case OMP_PARALLEL, OMP_FOR, OMP_SECTIONS>: Don't
13844 print space after directive name.
13845 <OMP_FOR>: Handle printing OMP_FOR_PRE_BODY.
13846 Handle OMP_MASTER and OMP_ORDERED.
13847 Handle printing of OMP_BODY just in one place, goto
13848 dump_omp_body in the rest of OMP_* nodes that have
13850 Don't handle clause nodes here. Update omp statements to
13851 use dump_omp_clauses.
13852 Handle OMP_SINGLE, OMP_SECTIONS, OMP_SECTION,
13853 OMP_CLAUSE_ORDERED, OMP_CLAUSE_SCHEDULE, OMP_ATOMIC,
13854 OMP_CRITICAL, OMP_CLAUSE_NOWAIT, GOMP_CLAUSE_IF,
13855 GOMP_CLAUSE_NUM_THREADS, GOMP_FOR, GOMP_CLAUSE_SHARED,
13856 GOMP_CLAUSE_FIRSTPRIVATE, GOMP_CLAUSE_LASTPRIVATE,
13857 GOMP_CLAUSE_COPYIN and GOMP_CLAUSE_COPYPRIVATE.
13858 Adjust output for GOMP_PARALLEL.
13859 (dump_omp_clauses): New.
13860 (print_declaration): Dump DECL_VALUE_EXPR.
13861 (op_symbol_1): Split out of op_symbol.
13862 (dumping_stmts): Remove. Update all users.
13863 * cgraph.c (cgraph_analyze_queue): New.
13864 (cgraph_add_new_function): New.
13865 * cgraph.h (cgraph_analyze_queue): Declare.
13866 (cgraph_add_new_function): Declare.
13867 (cgraph_lower_function): Remove.
13868 * tree.c (walk_tree): Walk OMP_CLAUSE_CHAIN of OMP_CLAUSE_*
13869 nodes. Use switch for all nodes, handle most of IS_EXPR_CODE_CLASS
13870 and TYPE_P nodes in its default clause.
13871 (empty_body_p): New.
13872 (tree_range_check_failed): New.
13873 (build5_stat): New.
13874 * tree.h (OMP_CLAUSE_REDUCTION_INIT,
13875 OMP_CLAUSE_REDUCTION_MERGE,
13876 OMP_CLAUSE_REDUCTION_PLACEHOLDER,
13877 OMP_CLAUSE_PRIVATE_DEBUG,
13878 OMP_CLAUSE_LASTPRIVATE_FIRSTPRIVATE, OMP_FOR_PRE_BODY,
13879 OMP_MASTER_BODY, OMP_ORDERED_BODY OMP_BODY,
13880 OMP_CLAUSES, OMP_CLAUSE_DECL, OMP_CLAUSE_DEFAULT_KIND,
13881 OMP_CLAUSE_CHAIN, OMP_CLAUSE_OUTER_DECL,
13882 OMP_CLAUSE_INNER_DECL, OMP_CLAUSE_NUM_THREADS_EXPR,
13883 OMP_CLAUSE_IF_EXPR, OMP_CLAUSE_SCHEDULE_CHUNK_EXPR,
13884 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE. OMP_PARALLEL_VAR_INIT,
13885 OMP_PARALLEL_VAR_REDUC, OMP_FOR_VAR_INIT,
13886 OMP_FOR_VAR_LAST, OMP_FOR_VAR_REDUC,
13887 OMP_SECTIONS_VAR_INIT, OMP_SECTIONS_VAR_LAST,
13888 OMP_SECTIONS_VAR_REDUC, OMP_CLAUSE_REDUCTION_CODE
13889 OMP_SINGLE_CLAUSES, OMP_SINGLE_BODY,
13890 OMP_CLAUSE_SCHEDULE_CHUNK_SIZE, OMP_SECTION_BODY,
13891 OMP_CRITICAL_NAME, OMP_CRITICAL_BODY): New.
13892 (TREE_RANGE_CHECK): New.
13893 (empty_body_p): Declare.
13894 (enum omp_clause_default_kind): New.
13895 (build_string_literal): Declare.
13896 (enum omp_clause_schedule_kind, OMP_CLAUSE_SCHEDULE_KIND): New.
13897 (build5_stat, build5): Declare.
13898 * tree-pass.h (TDF_CHAIN): Define.
13899 * tree-pass.h (PROP_gimple_lomp): Define.
13900 (pass_lower_omp): Declare.
13901 * diagnostic.h (debug_tree_chain): Declare.
13902 * builtins.c (get_builtin_sync_mode): Use 0 as last argument to
13904 (expand_builtin): Handle sync BUILT_IN_*_16 builtins.
13905 * builtins.c (build_string_literal): Make extern.
13906 * gcc.c (include_spec_function): New.
13907 (static_spec_functions): Add it.
13908 (main): Move load of libgomp.spec ...
13909 (LINK_COMMAND_SPEC): ... here.
13910 (link_gomp_spec): New.
13911 (static_specs): Include it.
13912 (LINK_COMMAND_SPEC): Add link_gomp.
13913 (GOMP_SELF_SPECS): New.
13914 (driver_self_specs): Include it.
13915 (switch_matches): Don't mark inline.
13916 (main): Load libgomp.spec.
13917 * tree-gimple.c (is_gimple_stmt): True for OMP_MASTER,
13918 OMP_ORDERED, OMP_CRITICAL, OMP_SECTIONS, OMP_SECTION,
13919 and OMP_SINGLE, OMP_FOR and OMP_PARALLEL.
13920 * tree-gimple.h (enum omp_parallel): Declare.
13921 (determine_parallel_type): Declare.
13922 (omp_firstprivatize_variable): Declare.
13923 (omp_reduction_init): Declare.
13924 (diagnose_omp_structured_block_errors): Declare.
13925 (struct walk_stmt_info): Add want_return_expr.
13926 (struct walk_stmt_info): Add want_bind_expr, want_locations.
13927 (find_omp_clause): Declare.
13928 (insert_field_into_struct): Declare.
13929 (struct walk_stmt_info): Move from tree-nested.c
13930 (walk_stmts): Declare.
13931 * c-cppbuiltin.c (c_cpp_builtins): If -fopenmp, #define _OPENMP
13933 * cgraphunit.c (cgraph_lower_function): Make static.
13934 (cgraph_finalize_pending_functions): New.
13935 (cgraph_finalize_function): Call it.
13936 (cgraph_finalize_compilation_unit): Likewise.
13937 * builtin-types.def (BT_I16, BT_FN_I16_VPTR_I16,
13938 BT_FN_BOOL_VPTR_I16_I16, BT_FN_I16_VPTR_I16_I16): Add.
13939 (BT_FN_UINT_UINT): New.
13940 (DEF_FUNCTION_TYPE_6, DEF_FUNCTION_TYPE_7,
13941 DEF_FUNCTION_TYPE_VAR_4): Document.
13942 (BT_PTR_LONG, BT_PTR_PTR, BT_FN_BOOL, BT_FN_INT,
13943 BT_FN_VOID_PTRPTR, BT_PTR_FN_VOID_PTR,
13944 BT_FN_BOOL_LONGPTR_LONGPTR, BT_FN_VOID_OMPFN_PTR_UINT,
13945 BT_FN_VOID_OMPFN_PTR_UINT_UINT,
13946 BT_FN_BOOL_LONG_LONG_LONG_LONGPTR_LONGPTR,
13947 BT_FN_BOOL_LONG_LONG_LONG_LONG_LONGPTR_LONGPTR,
13948 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG,
13949 BT_FN_VOID_OMPFN_PTR_UINT_LONG_LONG_LONG_LONG): New.
13950 * builtins.def: Update DEF_BUILTIN comment to include COND argument.
13951 Move all DEF_SYNC_BUILTIN () and DEF_GOMP_BUILTIN () builtins
13952 into separate files.
13953 (DEF_GOMP_BUILTIN): New.
13954 (BUILT_IN_OMP_GET_THREAD_NUM, BUILT_IN_GOMP_BARRIER,
13955 BUILT_IN_GOMP_CRITICAL_START, BUILT_IN_GOMP_CRITICAL_END,
13956 BUILT_IN_GOMP_CRITICAL_NAME_START, BUILT_IN_GOMP_CRITICAL_NAME_END,
13957 BUILT_IN_GOMP_LOOP_STATIC_START, BUILT_IN_GOMP_LOOP_DYNAMIC_START,
13958 BUILT_IN_GOMP_LOOP_GUIDED_START, BUILT_IN_GOMP_LOOP_RUNTIME_START,
13959 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_START,
13960 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_START,
13961 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_START,
13962 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_START,
13963 BUILT_IN_GOMP_LOOP_STATIC_NEXT, BUILT_IN_GOMP_LOOP_DYNAMIC_NEXT,
13964 BUILT_IN_GOMP_LOOP_GUIDED_NEXT, BUILT_IN_GOMP_LOOP_RUNTIME_NEXT,
13965 BUILT_IN_GOMP_LOOP_ORDERED_STATIC_NEXT,
13966 BUILT_IN_GOMP_LOOP_ORDERED_DYNAMIC_NEXT,
13967 BUILT_IN_GOMP_LOOP_ORDERED_GUIDED_NEXT,
13968 BUILT_IN_GOMP_LOOP_ORDERED_RUNTIME_NEXT,
13969 BUILT_IN_GOMP_PARALLEL_LOOP_STATIC_START,
13970 BUILT_IN_GOMP_PARALLEL_LOOP_DYNAMIC_START,
13971 BUILT_IN_GOMP_PARALLEL_LOOP_GUIDED_START,
13972 BUILT_IN_GOMP_PARALLEL_LOOP_RUNTIME_START,
13973 BUILT_IN_GOMP_LOOP_END, BUILT_IN_GOMP_LOOP_END_NOWAIT,
13974 BUILT_IN_GOMP_ORDERED_START, BUILT_IN_GOMP_ORDERED_END,
13975 BUILT_IN_GOMP_PARALLEL_START, BUILT_IN_GOMP_PARALLEL_END,
13976 BUILT_IN_GOMP_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_NEXT,
13977 BUILT_IN_GOMP_PARALLEL_SECTIONS_START, BUILT_IN_GOMP_SECTIONS_END,
13978 BUILT_IN_GOMP_SECTIONS_END_NOWAIT, BUILT_IN_GOMP_SINGLE_START,
13979 BUILT_IN_GOMP_SINGLE_COPY_START, BUILT_IN_GOMP_SINGLE_COPY_END): New.
13980 * sync-builtins.def: New file, moved from builtins.def.
13981 * omp-builtins.def: New file, moved from builtins.def.
13982 * c-objc-common.h (LANG_HOOKS_OMP_PREDETERMINED_SHARING): Redefine.
13983 * gimple-low.c (lower_function_body): Clear data.
13984 (lower_stmt): Do not handle COMPOUND_EXPR.
13985 Remove call to print_node_brief.
13986 * c-tree.h (c_finish_omp_clauses): New prototype.
13987 (C_DECL_THREADPRIVATE_P): Define.
13988 (lookup_name_no_remap, c_omp_remap_private): Remove
13989 (c_begin_omp_parallel, c_finish_omp_parallel): Update.
13990 (check_for_loop_decls): Update decl.
13991 (lookup_name_no_remap, c_omp_remap_private): Declare.
13992 (build_indirect_ref, build_modify_expr, pushdecl,
13993 pushdecl_top_level): Move to c-common.h.
13994 * dwarf2out.c (loc_descriptor_from_tree_1): Don't set unsignedp
13995 before the switch, but just in the 2 places that need it.
13996 * c-decl.c (diagnose_mismatched_decls): Do not check for
13997 mismatched thread-local attributes when OLDDECL is marked
13998 threadprivate and NEWDECL has no thread-local attributes.
13999 (merge_decls): Merge C_DECL_THREADPRIVATE_P.
14000 (c_gimple_diagnostics_recursively): Rename from
14001 c_warn_unused_result_recursively. Invoke
14002 diagnose_omp_structured_block_errors.
14003 (check_for_loop_decls): Return a singular decl found.
14004 * langhooks.c (lhd_omp_predetermined_sharing): Return
14005 OMP_CLAUSE_DEFAULT_SHARED for DECL_ARTIFICIAL decls.
14006 (lhd_omp_firstprivatize_type_sizes): New.
14007 (lhd_omp_assignment): New.
14008 (lhd_omp_predetermined_sharing): New.
14009 * langhooks.h (struct gimplify_omp_ctx): Forward declare.
14010 (struct lang_hooks_for_types): Add
14011 omp_firstprivatize_type_sizes, omp_privatize_by_reference,
14012 omp_predetermined_sharing, omp_disregard_value_expr,
14013 omp_private_debug_clause, omp_clause_default_ctor,
14014 omp_clause_copy_ctor, omp_clause_assign_op, omp_clause_dtor.
14015 (c_finish_omp_clauses): New.
14016 (c_finish_bc_stmt): Diagnose break within omp for.
14017 (c_begin_omp_parallel, c_finish_omp_parallel): New.
14018 (build_unary_op): Return error_mark after reporting
14020 (build_modify_expr): Likewise.
14021 * gimplify.c: Include optabs.h and pointer-set.h.
14022 (enum gimplify_omp_var_data): Declare.
14023 (struct gimplify_omp_ctx): Declare.
14024 (struct gimplify_ctx): Add fields prev_context, combined_pre_p
14026 (gimplify_ctxp, gimplify_omp_ctxp): New local variables.
14027 (push_gimplify_context, pop_gimplify_context): Allow nesting.
14028 (splay_tree_compare_decl_uid): New.
14029 (new_omp_context): New.
14030 (delete_omp_context): New.
14031 (gimple_add_tmp_var): Call omp_add_variable.
14032 (gimplify_bind_expr): Likewise.
14033 (gimplify_var_or_parm_decl): If omp_notice_variable returned
14034 true, disregard DECL_VALUE_EXPR on the decl if any.
14035 (gimplify_expr_in_ctx): New.
14036 (omp_firstprivatize_variable, omp_firstprivatize_type_sizes
14037 omp_add_variable, omp_notice_variable, omp_is_private
14038 gimplify_scan_omp_clauses, gimplify_adjust_omp_clauses_1
14039 gimplify_adjust_omp_clauses, gimplify_omp_parallel
14040 gimplify_omp_for, gimplify_omp_workshare, goa_lhs_expr_p
14041 gimplify_omp_atomic_fetch_op, goa_stabilize_expr
14042 gimplify_omp_atomic_pipeline, gimplify_omp_atomic_mutex
14043 gimplify_omp_atomic): New.
14044 (gimplify_expr): Handle OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14045 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14046 OMP_CRITICAL and OMP_ATOMIC.
14047 (gimplify_body): Verify gimplify_ctxp is empty after gimplification.
14048 * c-pragma.h (enum pragma_kind): Add
14049 PRAGMA_OMP_ATOMIC, PRAGMA_OMP_BARRIER,
14050 PRAGMA_OMP_CRITICAL, PRAGMA_OMP_FLUSH, PRAGMA_OMP_FOR,
14051 PRAGMA_OMP_MASTER, PRAGMA_OMP_ORDERED,
14052 PRAGMA_OMP_PARALLEL, PRAGMA_OMP_PARALLEL_FOR,
14053 PRAGMA_OMP_PARALLEL_SECTIONS, PRAGMA_OMP_SECTION,
14054 PRAGMA_OMP_SECTIONS, PRAGMA_OMP_SINGLE,
14055 PRAGMA_OMP_THREADPRIVATE.
14056 * tree.def (OMP_PARALLEL, OMP_FOR, OMP_SECTIONS,
14057 OMP_SINGLE, OMP_SECTION, OMP_MASTER, OMP_ORDERED,
14058 OMP_CRITICAL, OMP_ATOMIC, OMP_CLAUSE_PRIVATE,
14059 OMP_CLAUSE_SHARED, OMP_CLAUSE_FIRSTPRIVATE,
14060 OMP_CLAUSE_LASTPRIVATE, OMP_CLAUSE_REDUCTION,
14061 OMP_CLAUSE_COPYIN, OMP_CLAUSE_COPYPRIVATE,
14062 OMP_CLAUSE_IF, OMP_CLAUSE_NUM_THREADS,
14063 OMP_CLAUSE_SCHEDULE, OMP_CLAUSE_NOWAIT,
14064 OMP_CLAUSE_ORDERED, OMP_CLAUSE_DEFAULT): Define.
14065 * print-tree.c (print_node): Dump DECL_VALUE_EXPR.
14066 * tree-ssa-dce.c (find_control_dependence): Do not assume that
14067 ENTRY_BLOCK_PTR->next_bb == single_succ (ENTRY_BLOCK_PTR).
14068 * tree-nested.c (convert_call_expr): Call walk_body on OMP_BODY for
14070 (struct nesting_info): Add field_map,
14071 suppress_expansion, debug_var_chain.
14072 (create_nesting_tree): Initialize them.
14073 (lookup_field_for_decl): Use field_map.
14074 (get_nonlocal_debug_decl, get_local_debug_decl): New.
14075 (convert_local_omp_clauses): New.
14076 (finalize_nesting_tree_1): Add debug_var_chain to toplevel block.
14077 (walk_body): Split out of walk_function.
14078 (convert_nonlocal_omp_clauses, convert_local_omp_clauses): New.
14079 (convert_nonlocal_reference): Handle omp statements.
14080 (convert_local_reference): Likewise.
14081 (unnest_nesting_tree_1): Split out of finalize_nesting_tree_1.
14082 (unnest_nesting_tree): New.
14083 (lower_nested_functions): Call it.
14084 (insert_field_into_struct): Make extern.
14085 (struct walk_stmt_info): Move to tree-gimple.h.
14086 (walk_stmts): Make extern.
14087 * omp-builtins.def: New file.
14088 * tree-iterator.c (expr_only): Clarify comment.
14089 * c-common.h (pushdecl_top_level, pushdecl,
14090 build_modify_expr, build_indirect_ref,
14091 c_finish_omp_master, c_finish_omp_critical,
14092 c_finish_omp_ordered, c_finish_omp_barrier,
14093 c_finish_omp_atomic, c_finish_omp_flush,
14094 c_finish_omp_for, c_split_parallel_clauses,
14095 omp_clause_default_kind, c_omp_sharing_predetermined,
14096 c_omp_remap_decl): Declare.
14097 * Makefile.in (BUILTINS_DEF): Add omp-builtins.def.
14098 (OBJS-common): Add omp-low.o.
14099 (c-omp.o, omp-low.o): Add.
14100 (gimplify.o): Add dependency on $(OPTABS_H).
14101 (GTFILES): Add omp-low.c.
14102 (gt-stringpool.h): Add.
14103 * tree-cfg.c (set_bb_for_stmt): Do not update the
14104 block-to-labels map if we are currently expanding to RTL.
14105 (tree_node_can_be_shared): Remove unnecessary CONSTANT_CLASS_P
14107 Handle IDENTIFIER_NODE.
14108 (tree_verify_flow_info): Do not ICE when emitting error
14109 messages about invalid labels.
14110 (dump_function_to_file): Reset CFUN before emitting the body
14112 (debug_function): New.
14113 * passes.c (init_optimization_passes): Schedule
14115 * langhooks-def.h (lhd_omp_predetermined_sharing,
14116 lhd_omp_assignment, lhd_omp_firstprivatize_type_sizes):
14118 (LANG_HOOKS_OMP_FIRSTPRIVATIZE_TYPE_SIZES): Define.
14119 (LANG_HOOKS_FOR_TYPES_INITIALIZER): Use it.
14120 (LANG_HOOKS_OMP_PRIVATIZE_BY_REFERENCE,
14121 LANG_HOOKS_OMP_PREDETERMINED_SHARING,
14122 LANG_HOOKS_OMP_DISREGARD_VALUE_EXPR,
14123 LANG_HOOKS_OMP_PRIVATE_DEBUG_CLAUSE,
14124 LANG_HOOKS_OMP_CLAUSE_DEFAULT_CTOR,
14125 LANG_HOOKS_OMP_CLAUSE_COPY_CTOR,
14126 LANG_HOOKS_OMP_CLAUSE_ASSIGN_OP,
14127 LANG_HOOKS_OMP_CLAUSE_DTOR): Define.
14128 (LANG_HOOK_DECLS): Use them.
14130 2006-01-18 Dmitry Kurochkin <dmitry.kurochkin@gmail.com>
14131 Richard Henderson <rth@redhat.com>
14132 Jakub Jelinek <jakub@redhat.com>
14133 Diego Novillo <dnovillo@redhat.com>
14135 * c-parser.c (pragma_omp_clause): Define.
14136 (c_parser_declaration_or_fndef): Document OpenMP syntax.
14137 (c_parser_compound_statement): Likewise.
14138 (c_parser_statement): Likewise.
14139 (c_parser_pragma): Handle omp pragmas.
14140 (OMP_FOR_CLAUSE_MASK, OMP_SECTIONS_CLAUSE_MASK,
14141 OMP_PARALLEL_CLAUSE_MASK, OMP_SINGLE_CLAUSE_MASK): Define.
14142 (c_parser_omp_clause_name, check_no_duplicate_clause,
14143 c_parser_omp_variable_list,
14144 c_parser_omp_var_list_parens, c_parser_omp_clause_copyin,
14145 c_parser_omp_clause_copyprivate,
14146 c_parser_omp_clause_default,
14147 c_parser_omp_clause_firstprivate, c_parser_omp_clause_if,
14148 c_parser_omp_clause_lastprivate,
14149 c_parser_omp_clause_nowait,
14150 c_parser_omp_clause_num_threads,
14151 c_parser_omp_clause_ordered, c_parser_omp_clause_private,
14152 c_parser_omp_clause_reduction,
14153 c_parser_omp_clause_schedule, c_parser_omp_clause_shared,
14154 c_parser_omp_all_clauses, c_parser_omp_structured_block,
14155 c_parser_omp_atomic, c_parser_omp_barrier,
14156 c_parser_omp_critical, c_parser_omp_flush,
14157 c_parser_omp_for_loop, c_parser_omp_for,
14158 c_parser_omp_master, c_parser_omp_ordered,
14159 c_parser_omp_sections_scope, c_parser_omp_sections,
14160 c_parser_omp_parallel, c_parser_omp_single,
14161 c_parser_omp_construct, c_parser_omp_threadprivate): New.
14162 * c-pragma.c (init_pragma): Do omp pragma registration here.
14163 * c.opt (fopenmp): New flag.
14165 2006-01-18 Eric Christopher <echristo@apple.com>
14167 * gcc.c (GOMP_SELF_SPECS): Bracket in #ifndef/#endif.
14168 * config/darwin.h (GOMP_SELF_SPECS): Define.
14170 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14172 * rtl.h: Remove the prototype for reg_alloc.
14174 2006-01-18 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14177 * config.gcc (hppa*-*-linux*, hppa[12]*-*-hpux10*, hppa*64*-*-hpux11*,
14178 hppa[12]*-*-hpux11*): Override default shared libgcc version for both
14179 sjlj and dwarf2 exception handling.
14180 * pa/t-hpux-shlib (SHLIB_SOVERSION): New make variable.
14181 Rework to allow overriding SHLIB_EXT and SHLIB_SOVERSION.
14182 * pa/pa.c (function_value): Treat complex and vector types as
14184 (function_arg): Likewise. Only pass scalar floats in the floating
14185 point argument registers.
14186 * pa/t-slibgcc-dwarf-ver: New file.
14187 * pa/t-slibgcc-sjlj-ver: New file.
14188 * pa/t-slibgcc-elf-ver: Delete file.
14190 2006-01-19 Alan Modra <amodra@bigpond.net.au>
14192 * config/rs6000/rs6000.c (rs6000_assemble_integer): Correct
14193 unlikely_test_section_p test.
14195 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14197 * mode-switching.c (optimize_mode_switching): Make it static.
14198 * basic-block.h: Remove the prototype for
14199 optimize_mode_switching.
14201 * modulo-sched.c (sms_schedule): Make it static.
14202 * rtl.h: Remove the prototype for sms_schedule.
14204 * postreload-gcse.c (gcse_after_reload_main): Make it static.
14205 * rtl.h: Remove the prototype for gcse_after_reload_main.
14207 * reg-stack.c (reg_to_stack): Make it static.
14208 * rtl.h: Remove the prototype for reg_to_stack.
14210 * regrename.c (regrename_optimize, copyprop_hardreg_forward):
14212 * rtl.h: Remove the prototypes for regrename_optimize and
14213 copyprop_hardreg_forward.
14215 2006-01-18 Eric Botcazou <ebotcazou@adacore.com>
14217 * config/alpha/alpha.c (alpha_split_tfmode_pair): Rename into
14218 alpha_split_tmode_pair. Add 'mode' and 'fixup_overlap' arguments.
14219 Test against the appropriate null constant for the mode.
14220 If 'fixup_overlap' is true, swap the operands if they overlap.
14221 (alpha_split_tfmode_frobsign): Adjust call to alpha_split_tfmode_pair.
14222 * config/alpha/alpha-protos.h (alpha_split_tfmode_pair): Rename into
14223 alpha_split_tmode_pair and adjust for above change.
14224 * config/alpha/alpha.md (movtf_internal): Adjust call to
14225 alpha_split_tfmode_pair and rely on it to swap the operands.
14226 (movti_internal): New insn and post-reload splitter.
14227 (movti): New expander.
14229 2006-01-18 Philippe De Muyter <phdm@macqel.be>
14231 * config/m68k/m68k.md (*addsi3_5200): Allow addq/subq to memory
14234 2006-01-18 Kazu Hirata <kazu@codesourcery.com>
14236 * rtlanal.c (global_reg_mentioned_p_1,
14237 global_reg_mentioned_p): Remove.
14238 * rtl.h: Remove the prototype for global_reg_mentioned_p.
14240 * flow.c (initialize_uninitialized_subregs): Make it static.
14241 * rtl.h: Remove the prototype for
14242 initialize_uninitialized_subregs.
14244 * function.c (instantiate_virtual_regs): Make it static.
14245 * function.h: Remove the prototype for
14246 instantiate_virtual_regs.
14248 * regmove.c (regmove_optimize, combine_stack_adjustments):
14250 * rtl.h: Remove the prototypes for regmove_optimize and
14251 combine_stack_adjustments.
14253 2006-01-17 Roger Sayle <roger@eyesopen.com>
14255 * config/i386/i386.c (COSTS_N_BYTES): New macro.
14256 (size_cost): Encode costs in bytes so that a reg-reg addition is
14257 equivalent to COSTS_N_INSNS(1).
14258 (override_options): Use the size_cost.branch_cost as the default
14259 ix86_branch_cost when optimizing for size.
14261 2006-01-18 Ben Elliston <bje@au.ibm.com>
14263 * Makefile.in (D32PBIT_FUNCS): New.
14264 (D64PBIT_FUNCS, D128PBIT_FUNCS): Likewise.
14265 (libgcc.mk): Set D32PBIT, D64PBIT, D128PBIT, D32PBIT_FUNCS,
14266 D64PBIT_FUNCS and D128PBIT_FUNCS.
14267 (LIBGCC_DEPS): Include $(D32PBIT), $(D64PBIT), $(D128PBIT).
14268 * mklibgcc.in Bring in the DFP support code if D32PBIT, D64PBIT or
14270 (decnumber_dep): Define.
14271 * doc/libgcc.texi (Decimal float library routines): New node.
14272 * config/dfp-bit.h, config/dfp-bit.c: New files.
14274 2006-01-18 Ben Elliston <bje@au.ibm.com>
14276 * expr.c (emit_move_change_mode): Always adjust addresses, not
14277 just during reload. Copy replacements only during reload.
14278 (emit_move_insn_1): Move MODE_DECIMAL_FLOAT modes by invoking
14279 emit_move_via_integer.
14281 2006-01-17 Shantonu Sen <ssen@opendarwin.org>
14283 * Makefile.in (check-%, check-consistency): Use $${srcdir}
14284 instead of $(srcdir) and ${srcdir}.
14286 2006-01-17 Richard Earnshaw <rearnsha@arm.com>
14289 PR middle-end/11135
14290 * arm.h (struct machine_function): Add pic_reg.
14291 * arm.c (arm_pic_register): Make unsigned.
14292 (arm_override_options): Only set arm_pic_register if
14293 TARGET_SINGLE_PIC_BASE.
14294 (use_return_insn): Only test for a pic register if it is fixed.
14295 (arm_compute_save_reg0_reg12_mask): Likewise.
14296 (thumb_compute_save_reg_mask): Likewise.
14297 (legitimate_pic_operand): Factor out some known invariants.
14298 (legitimize_pic_address): If we don't have a fixed pic register,
14299 then set up a pseudo in the function entry sequence. Handle the
14300 pic base being in a pseudo.
14301 (arm_load_pic_register): Handle the pic register being in a pseudo.
14302 (arm_expand_prologue): Only set up the pic register if it is fixed.
14303 (thumb_expand_prologue): Likewise.
14304 * arm.md (pic_load_addr_based): Handle the pic base being a pseudo.
14305 (pic_load_addr_based_insn): Likewise.
14306 (builtin_setjmp_receiver): Don't restore the pic base if it isn't
14309 2006-01-18 Ben Elliston <bje@au.ibm.com>
14311 * config/rs6000/rs6000.c (rs6000_hard_regno_mode_ok): Reject
14312 decimal float modes for all floating point registers.
14314 * config/rs6000/predicates.md (reg_or_mem_operand): Pair up
14315 match_code "mem" with match_test "macho_lo_sum_memory_operand".
14317 2006-01-17 Jakub Jelinek <jakub@redhat.com>
14320 * c-typeck.c (build_unary_op): Fold offsetof-like expressions
14321 even when the pointer is not NULL.
14323 2006-01-16 Ian Lance Taylor <ian@airs.com>
14325 * common.opt (ftoplevel-reorder): New option.
14326 * cgraph.c (cgraph_asm_nodes): New global variable.
14327 (cgraph_asm_last_node): New static variable.
14328 (cgraph_order): New global variable.
14329 (cgraph_create_node): Set new order field.
14330 (cgraph_varpool_node): Likewise.
14331 (decide_is_variable_needed): Return true if not
14332 flag_toplevel_reorder.
14333 (cgraph_add_asm_node): New function.
14334 * cgraph.h (struct cgraph_node): Add order field.
14335 (struct cgraph_varpool_node): Add order field.
14336 (struct cgraph_asm_node): Define.
14337 (cgraph_asm_nodes, cgraph_order): Declare.
14338 (cgraph_add_asm_node): Declare.
14339 * cgraphunit.c (cgraph_varpool_assemble_decl): New static
14341 (cgraph_varpool_assemble_pending_decls): Call it.
14342 (cgraph_output_pending_asms): New static function.
14343 (cgraph_finalize_compilation_unit): Call it.
14344 (struct cgraph_order_sort): Define.
14345 (cgraph_output_in_order): New static function.
14346 (cgraph_optimize): Call cgraph_output_pending_asms. Add code for
14347 !flag_toplevel_reorder case.
14348 * c-parser.c: Include "cgraph.h".
14349 (c_parser_asm_definition): Call cgraph_add_asm_node rather than
14351 * Makefile.in (CRTSTUFF_CFLAGS): Use -fno-toplevel-reorder rather
14352 than -fno-unit-at-a-time.
14353 * doc/invoke.texi (Option Summary): Mention
14354 -fno-toplevel-reorder.
14355 (Optimize Options): Document -fno-toplevel-reorder. Mention it in
14356 -funit-at-a-time documentation.
14358 2006-01-17 Hans-Peter Nilsson <hp@axis.com>
14359 Kazu Hirata <kazu@codesourcery.com>
14361 * Makefile.in (FUNCTION_H, LAMBDA_H): Use $(TREE_H), not tree.h.
14363 2006-01-17 Kazu Hirata <kazu@codesourcery.com>
14365 * Makefile.in (FUNCTION_H): New. Use it instead of
14366 function.h throughout the file.
14367 * function.h: Include tree.h.
14369 2006-01-17 Ben Elliston <bje@au.ibm.com>
14371 * recog.c: Separate some functions with whitespace.
14373 2006-01-16 Richard Henderson <rth@redhat.com>
14375 Merge from gomp branch:
14376 * Makefile.in (TREE_INLINE_H): New. Use it as needed.
14377 * tree-inline.h (struct copy_body_data): Move from tree-inline.c
14378 and rename from struct inline_data. Rename callee* to dst*;
14379 caller* to src*; add copy_decl hook, transform_call_graph_edges,
14380 transform_new_cfg, transform_return_to_modify, and
14381 transform_lang_insert_block flags; remove cloning_p, versioning_p,
14383 (copy_body_r, insert_decl_map, remap_decl, remap_type): Declare.
14384 (copy_decl_for_dup): Remove.
14385 * tree-inline.c (struct inline_data): Move to header.
14386 (insert_decl_map): Export.
14387 (remap_decl): Update for member name changes. Use copy_decl hook.
14388 Allow for replacement to be a non-decl. Remove dead code.
14389 (remap_type_1): Check for existing mapping.
14390 (remap_type): Export.
14391 (remap_decls): Update for member name changes.
14392 (remap_block, copy_bb, copy_cfg_body, copy_generic_body): Likewise.
14393 (copy_body, setup_one_parameter, declare_return_variable): Likewise.
14394 (expand_call_inline, optimize_inline_calls, clone_body): Likewise.
14395 (copy_tree_r, mark_local_for_remap_r, unsave_expr_now): Likewise.
14396 (tree_function_versioning, build_duplicate_type): Likewise.
14397 (copy_body_r): Likewise. Export.
14398 (copy_decl_for_dup): Split into ...
14399 (copy_decl_for_dup_finish, copy_decl_to_var,
14400 copy_decl_no_change, copy_decl_maybe_to_var): ... these.
14401 (replace_ref_tree, inlining_p): Remove.
14403 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14405 * ifcvt.c (if_convert): Make it static.
14406 * rtl.h: Remove the prototype for if_convert.
14408 * local-alloc.c (local_alloc): Make it static.
14409 * rtl.h: Remove the prototype for local_alloc.
14411 * loop.c (loop_optimize): Make it static.
14412 * cfgloop.h: Remove the prototype for loop_optimize.
14415 2006-01-16 DJ Delorie <dj@redhat.com>
14417 * reload.c (reg_overlap_mentioned_for_reload_p): Handle subregs of
14420 2006-01-16 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14422 * pa.md: Disparage copies between general and floating-point registers
14423 in 32-bit move patterns.
14425 2006-01-16 H.J. Lu <hongjiu.lu@intel.com>
14428 * Makefile.in (check-%): Depend on site.exp instead of
14429 $(TESTSUITEDIR)/site.exp. Run "runtest" in separate language
14432 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14434 * global.c (global_alloc): Make it static.
14435 * rtl.h: Remove the prototype for global_alloc.
14437 2006-01-16 Richard Guenther <rguenther@suse.de>
14439 * tree-ssa-alias.c (struct used_part): Add write_only field.
14440 (get_or_create_used_part_for): Initialize it to true.
14441 (create_overlap_variables_for): Don't create structure variables
14442 for structures that only are written to.
14443 (find_used_portions): Handle MODIFY_EXPR to track whether a
14444 structure is only written to.
14446 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14448 * bb-reorder.c (partition_hot_cold_basic_blocks): Make it
14450 * basic-block.h: Remove the prototype for
14451 partition_hot_cold_basic_blocks.
14453 2006-01-16 Rafael Ãvila de EspÃ�ndola <rafael.espindola@gmail.com>
14455 * cppspec.c (lang_specific_spec_functions): Remove.
14456 * gcc.c (lookup_spec_function): Use static_spec_functions directly.
14457 * gcc.h (lang_specific_spec_functions): Remove.
14458 * gccspec.c (lang_specific_spec_functions): Remove.
14460 2006-01-16 Paolo Bonzini <bonzini@gnu.org>
14462 * combine.c (record_value_for_reg): Invalidate registers
14464 (record_dead_and_set_regs_1): Likewise, by passing them to
14465 record_value_for_reg.
14466 (record_dead_and_set_regs): Invalidate stores made by a
14467 call. We do not combine across a call, but we still
14468 relied on equivalences.
14470 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14472 * tree-vrp.c (extract_range_from_binary_expr): Cope with
14473 vrp_int_const_binop returning non-constant nodes.
14475 2006-01-16 Paul Brook <paul@codesourcery.com>
14477 * config/m68k/m68k.c (output_move_const_into_data_reg):
14478 Output correct mnemonic for mvz and mvs.
14480 2006-01-16 Gabor Loki <loki@gcc.gnu.org>
14482 * rtl-factoring.c: Add sequence abstraction algorithm.
14483 * cfgcleanup.c (outgoing_edges_match): Extra checks.
14484 (try_crossjump_to_edge): Avoid deleting preserve label when redirecting
14486 (block_has_preserve_label): New function.
14487 * common.opt: Register new pass.
14488 * Makefile.in: Ditto.
14490 * timevar.def: Ditto.
14491 * tree-pass.h: Ditto.
14492 * emit-rtl.c (make_jump_insn_raw): Remove forward decl.
14493 * rtl.h (make_jump_insn_raw): Add forward decl.
14494 * doc/invoke.texi: Add documentation for -frtl-abstract-sequences.
14496 2006-01-16 Eric Botcazou <ebotcazou@adacore.com>
14497 Roger Sayle <roger@eyesopen.com>
14499 * fold-const.c (fold_minmax): New static function.
14500 (fold_binary) <MIN_EXPR>: Call it.
14501 <MAX_EXPR>: Likewise.
14502 * stor-layout.c (place_field): Use DECL_SIZE consistently
14503 in the computation of the new record size.
14505 2006-01-16 Kazu Hirata <kazu@codesourcery.com>
14507 * cse.c (cse_condition_code_reg): Make it static.
14508 * rtl.h: Remove the prototype for cse_condition_code_reg.
14510 * combine.c (combine_instructions): Make it static.
14511 * rtl.h: Remove the prototype for combine_instructions.
14513 2006-01-15 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
14516 * tree.c (get_file_function_name_long): Concatenate the first global
14517 object name with a string derived from the input filename of the object
14520 2006-01-16 Ben Elliston <bje@au.ibm.com>
14522 * config/i386/winnt-stubs.c: Update FSF address.
14523 * config/xtensa/ieee754-df.S: Ditto.
14524 * config/xtensa/ieee754-sf.S: Ditto.
14526 2006-01-14 Ian Lance Taylor <ian@airs.com>
14528 * ifcvt.c (noce_init_if_info): New static function, broken out of
14529 noce_process_if_block.
14530 (noce_process_if_block): Call noce_init_if_info.
14531 (check_cond_move_block): New static function.
14532 (cond_move_process_if_block): New static function.
14533 (process_if_block): Call cond_move_process_if_block.
14535 2006-01-15 Kazu Hirata <kazu@codesourcery.com>
14537 * cselib.c (hash_table): Rename to cselib_hash_table.
14538 (cselib_clear_table, discard_useless_values,
14539 remove_useless_values, cselib_lookup_mem, cselib_lookup,
14540 cselib_init, cselib_finish): Adjust uses of hash_table.
14542 2006-01-14 Kazu Hirata <kazu@codesourcery.com>
14544 PR tree-optimization/25485
14545 * tree-vrp.c (extract_range_from_binary_expr): Handle cases
14546 where one of the operands of TRUTH_AND_EXPR and TRUTH_OR_EXPR
14547 is known to be false and true, respectively.
14549 2006-01-14 Richard Guenther <rguenther@suse.de>
14551 PR tree-optimization/22548
14552 PR tree-optimization/22555
14553 PR tree-optimization/22501
14554 * Makefile.in (tree-ssa-structalias.o): Depend on $(PARAMS_H).
14555 * params.def (salias-max-array-elements): New parameter.
14556 * params.h (SALIAS_MAX_ARRAY_ELEMENTS): Define.
14557 * doc/invoke.texi (salias-max-array-elements): Document.
14558 * tree-flow-inline.h (var_can_have_subvars): We also handle
14560 * tree-ssa-alias.c (find_used_portions): Handle ARRAY_REF like
14562 * tree-ssa-structalias.c (params.h): Include.
14563 (push_fields_onto_fieldstack): Handle ARRAY_TYPE.
14564 (find_func_aliases): Handle multiple constraints from ARRAY_REF.
14565 (get_constraint_for): For ADDR_EXPR operating on something
14566 containing an ARRAY_REF, add all subvars to the solution.
14567 (handle_ptr_arith): Handle ARRAY_TYPE like RECORD_TYPE types.
14568 * tree-ssa-operands.c (parse_ssa_operands): Handle ARRAY_REF
14569 for creating MUST_DEFs.
14570 (get_expr_operands): Treat ARRAY_REF like COMPONENT_REF wrt subvars.
14572 2006-01-14 Zdenek Dvorak <dvorakz@suse.cz>
14574 * tree-ssa-loop-niter.c (number_of_iterations_cond): Split into several
14576 (number_of_iterations_ne, number_of_iterations_lt_to_ne,
14577 assert_no_overflow_lt, assert_loop_rolls_lt, number_of_iterations_lt,
14578 number_of_iterations_le): New functions.
14579 (number_of_iterations_special): Removed.
14580 (number_of_iterations_exit): Do not use number_of_iterations_special.
14581 * tree.c (unsigned_type_for): Always return integer type.
14583 2006-01-14 Steven Bosscher <stevenb.gcc@gmail.com>
14584 Richard Guenther <rguenther@suse.de>
14586 PR rtl-optimization/24257
14587 * gcse.c (find_moveable_store): Only consider a store movable
14588 when the SET_SRC of the insn can be assigned to a register.
14590 2006-01-14 Ian Lance Taylor <ian@airs.com>
14592 * tree.c (tree_not_class_check_failed): New function.
14593 * tree.h (NON_TYPE_CHECK): Call tree_not_class_check_failed.
14594 (tree_not_class_check_failed): Declare.
14596 2006-01-13 Ian Lance Taylor <ian@airs.com>
14598 * reload1.c (do_output_reload): Add assertion rejecting a
14601 2006-01-13 Adam Nemet <anemet@caviumnetworks.com>
14603 * combine.c (struct reg_stat): Add new fields truncation_label and
14605 (record_value_for_reg): Reset truncated_to_mode.
14606 (record_truncated_value): New function.
14607 (check_promoted_subreg): Call it. Rename to check_conversions.
14608 (combine_instructions): Rename check_promoted_subreg to
14610 (reg_truncated_to_mode): New function.
14611 (make_extraction): Use it. Check TRULY_NOOP_TRUNCATION.
14612 (gen_lowpart_or_truncate): New function.
14613 (force_to_mode): Use it instead of gen_lowpart.
14615 2006-01-13 Diego Novillo <dnovillo@redhat.com>
14617 * tree-ssa-alias.c (add_type_alias): Fix typo. Test whether
14618 VAR is a tag, not its type tag.
14620 2006-01-13 Alexandre Oliva <aoliva@redhat.com>
14622 * config/i386/sse.md (*vec_extractv2di_1_sse2): Reorder
14623 alternatives to match style of other entries.
14624 (*vec_extractv2di_1_sse): Likewise. Fix mode attr.
14626 2006-01-13 Daniel Berlin <dberlin@dberlin.org>
14628 PR tree-optimization/25771
14629 * tree-ssa-pre.c (insert_extra_phis): Don't insert merges of abnormal
14632 2006-01-13 Andrew Pinski <pinskia@physics.uc.edu>
14635 * tree-inline.c (declare_return_variable): If the return variable
14636 was marked as a non gimple complex, set the return slot variable
14637 to be a non gimple comple variable.
14639 2006-01-13 Richard Guenther <rguenther@suse.de>
14641 * builtins.c (expand_builtin_sincos): New function.
14642 (expand_builtin_mathfn_3): Remove dead code, sin and cos
14644 (expand_builtin): Expand sincos using expand_builtin_sincos.
14646 2006-01-12 DJ Delorie <dj@redhat.com>
14648 * config/m32c/shift.md: Rewrite: Allow arbitrary operands for
14649 shift counts, separate SI shifts for m32c vs m16c, pass shift type
14650 so that constant shifts can be split.
14651 * config/m32c/m32c.c (m32c_const_ok_for_constraint_p): Add In6.
14652 (m32c_valid_pointer_mode): Make static.
14653 (shift_gen_func_for): New.
14654 (m32c_prepare_shift): Use it. Split large const shifts into
14656 * config/m32c/predicates.md (shiftcount_operand): Allow more
14658 (longshiftcount_operand): New.
14659 * doc/md.texi (Machine Constraints): Document In6.
14661 2006-01-13 Ben Elliston <bje@au.ibm.com>
14663 * doc/tm.texi (Data Output): Add REAL_VALUE_TO_TARGET_DECIMAL32,
14664 REAL_VALUE_TO_TARGET_DECIMAL64 and REAL_VALUE_TO_TARGET_DECIMAL128
14667 2006-01-12 Daniel Berlin <dberlin@dberlin.org>
14669 * tree-ssa-operands.c (add_call_clobber_ops): Use SFT_PARENT_VAR
14670 to try to avoid clobbering pieces of structures when we know
14671 something about the whole structure.
14672 * tree-ssa-alias.c (create_sft): Set SFT_PARENT_VAR
14674 2006-01-13 Ben Elliston <bje@au.ibm.com>
14676 * doc/rtl.texi (Insns): Remove statement that libcalls cannot
14677 return in memory, as this is no limitation is no longer present.
14679 2006-01-12 DJ Delorie <dj@redhat.com>
14681 * config/m32c/addsub.md (addhi3): Add two more alternatives, for
14682 mova with fb, and for fb+0 -> An.
14684 * config/m32c/mov.md (peephole2): Fix enabling logic.
14686 * config/m32c/m32c.h (CTOR_LIST_BEGIN, CTOR_LIST_END,
14687 DTOR_LIST_BEGIN, DTOR_LIST_END, CTORS_SECTION_ASM_OP,
14688 DTORS_SECTION_ASM_OP, INIT_ARRAY_SECTION_ASM_OP,
14689 FINI_ARRAY_SECTION_ASM_OP): Define.
14691 * config/m32c/m32c.c (m32c_legitimize_address): Remove temporary
14693 (m32c_legitimize_reload_address): New logic to reload FB to An.
14694 (m32c_output_reg_push): Add newline.
14695 (m32c_output_reg_pop): Likewise.
14697 2006-01-12 Ulrich Weigand <uweigand@de.ibm.com>
14699 * struct-equiv.c (find_dying_inputs): Fix off-by-one bug.
14701 2006-01-11 Andrew Pinski <pinskia@physics.uc.edu>
14703 * config/i386/darwin.h (SUBTARGET_ENCODE_SECTION_INFO): Define.
14705 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14707 * config/sh/predicates.md (sh_rep_vec): Add parallel to
14710 2006-01-11 Ben Elliston <bje@au.ibm.com>
14712 * rtlanal.c (find_reg_note): Assert insn is not null.
14714 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14716 * df-scan.c (df_hard_reg_init): Move declaration of i outside
14719 2006-01-11 Jeff Law <law@redhat.com>
14721 * tree-ssa-threadupdate.c (threaded_edges): New VEC to
14723 (mark_threaded_blocks, register_jump_thread): New functions.
14724 (thread_through_all_blocks): Remove unwanted argument. No
14725 longer rely on e->aux to communicate thread target info.
14726 Call mark_threaded_blocks. Release the threaded_blocks
14727 bitmap and threaded_edges vector when complete.
14728 * tree-ssa-dom.c (struct edge_info): Remove redirection_target field.
14729 (threaded_blocks): Remove.
14730 (tree_ssa_dominator_optimize): Remove initialization and
14731 finalization of threaded_blocks. Simplify call to
14732 thread_through_all_blocks.
14733 (thread_across_edge): Call register_jump_thread rather than
14734 storing thread information into e->aux.
14735 (free_all_edge_infos): Simplify now that e->aux is no longer
14736 used to communicate with thread_through_all_blocks.
14737 * tree-flow.h (thread_through_all_blocks): Update prototype.
14738 (register_jump_thread): Prototype.
14740 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14742 * df-core.c (df_compact_blocks, df_bb_replace): Use
14743 SET_BASIC_BLOCK instead of BASIC_BLOCK.
14745 2006-01-11 Richard Guenther <rguenther@suse.de>
14747 PR tree-optimization/25734
14748 * tree-ssa-forwprop.c (forward_propagate_addr_expr_1): Do not
14749 stop propagation after successful propagation to the LHS.
14751 2006-01-11 Kazu Hirata <kazu@codesourcery.com>
14753 * basic-block.h (control_flow_graph): Change the type of
14754 x_basic_block_info to VEC(basic_block,gc) *.
14755 (BASIC_BLOCK_FOR_FUNCTION, BASIC_BLOCK): Adjust the uses of
14757 (SET_BASIC_BLOCK): New.
14758 * cfg.c (compact_blocks, expunge_block): Use SET_BASIC_BLOCK
14759 instead of BASIC_BLOCK when assigning to BASIC_BLOCK.
14760 * cfgbuild.c (find_basic_blocks): Likewise.
14761 * cfglayout.c (fixup_reorder_chain): Likewise.
14762 * cfgrtl.c (create_basic_block_structure,
14763 rtl_create_basic_block): Likewise.
14764 * ifcvt.c (find_if_case_1): Likewise.
14765 * tree-cfg.c (init_empty_tree_cfg, build_tree_cfg, create_bb):
14768 2006-01-11 Kenneth Zadeck <zadeck@naturalbridge.com>
14770 * Makefile.in: Removed rotted odf.c entry.
14772 2006-01-11 Hans-Peter Nilsson <hp@axis.com>
14775 * config/cris/cris.md ("*extopqihi_side", "*extop<mode>si_side")
14776 ("*extop<mode>si_swap_side_biap", "*extop<mode>si_swap_side",
14777 ("*extopqihi", "*extop<mode>si", "*extop<mode>si_swap"): Use %E
14778 output pattern modifier, not %e.
14779 * config/cris/cris.c (cris_op_str): Update comment about pattern
14781 (cris_print_operand) <case 'e'>: Clear cris_output_insn_is_bound
14782 before falling through into...
14783 <case 'E'>: Redefined from old 'e' case.
14785 2006-01-11 Jan Hubicka <jh@suse.cz>
14788 * i386.c (ix86_init_mmx_sse_builtins): Do not delcare float128
14790 2006-01-11 Jan Hubicka <jh@suse.cz>
14792 * i386.h (TARGET_DECOMPOSE_LEA): Kill.
14793 * i386.c (x86_decompose_lea): Kill.
14794 (ix86_rtx_costs): Kill.
14796 2006-01-11 Jan Hubicka <jh@suse.cz>
14798 * cgraph.c (cgraph_insert_node_to_hashtable): New function.
14799 * cgraph.h (cgraph_node): Add inline_decl.
14800 (cgraph_insert_node_to_hashtable): Declare.
14801 (save_inline_function_body): Declare.
14802 * cgraphunit.c (verify_cgraph_node): Inline edges might point to inline
14804 (cgraph_preserve_function_body_p): Do not presrve when dump is enabled.
14805 (cgraph_function_versioning): Update call of tree_function_versioning.
14806 (save_inline_function_body): New function.
14807 * function.h (struct function): Kill saved_eh, saved_cfg, saved_args,
14808 saved_static_chain_decl, saved_blocks and saved-unexpanded_var_list.
14809 * ipa-inline.c (cgraph_mark_inline_edge): Look for inline clones.
14810 (cgraph_default_inline_p): Likewise.
14811 (cgraph_decide_inlining_incrementally): Likewise.
14812 * tree-inline.c (inline_data): Kill saving_p add update_clones_p.
14813 (copy_bb): Kill saving; do updating of clones.
14814 (copy_cfg_body): Kill saving.
14815 (initialize_inlined-parameters): Likewise.
14816 (expand_call_inline): Likewise.
14818 (tree_function_versioning): New parameter "update_clones".
14819 (inlining_p): Kill saving.
14820 * tree-inline.h (tree_function_versioning): Update prototype.
14821 * tree-optimize.c (tree_rest_of_compilation): Use clonning instead of
14824 2006-01-11 Ian Lance Taylor <ian@airs.com>
14826 * combine.c (struct undo): Remove is_int. Enumify types of undos.
14827 Allow undoing set of machine mode.
14828 (do_SUBST): Use enums instead of is_int.
14829 (do_SUBST_MODE): New function.
14830 (SUBST_MODE): New macro.
14831 (try_combine): Use SUBST_MODE/PUT_MODE instead of generating a new
14832 reg and trying to replace reg_regno_rtx with a new register.
14833 (undo_all): Use new enums, handle undoing a PUT_MODE change.
14834 (simplify_set): Use SUBST_MODE.
14835 (distribute_notes): Remove code that tried to update reg notes
14836 for regno_reg_rtx changes.
14838 2006-01-11 Paolo Bonzini <bonzini@gnu.org>
14840 PR tree-optimization/23109
14841 PR tree-optimization/23948
14842 PR tree-optimization/24123
14844 * Makefile.in (tree-ssa-math-opts.o): Adjust dependencies.
14845 * tree-cfg.c (single_noncomplex_succ): New.
14846 * tree-flow.h (single_noncomplex_succ): Declare it.
14847 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14848 * tree-ssa-math-opts.c (enum place_reciprocal): Remove.
14849 (struct occurrence, occ_head, occ_pool, is_divide_by, compute_merit,
14850 insert_bb, register_division_in, insert_reciprocals,
14851 replace_reciprocal, free_bb): New.
14852 (execute_cse_reciprocals_1): Rewritten.
14853 (execute_cse_reciprocals): Adjust calls to execute_cse_reciprocals_1.
14854 Do not commit any edge insertion. Always compute dominators and
14855 create the allocation pool.
14856 * target-def.h (TARGET_MIN_DIVISIONS_FOR_RECIP_MUL): New.
14857 * target.h (struct gcc_target): Add min_divistions_for_recip_mul.
14858 * targhooks.c (default_min_divistions_for_recip_mul): New.
14859 * targhooks.h (default_min_divistions_for_recip_mul): New prototype.
14860 * passes.c (init_optimization_passes): Run recip after tree loop
14862 * doc/tm.texi (Misc): Document TARGET_MIN_DIVISIONS_FOR_RECIP_MUL.
14864 2006-01-11 Danny Berlin <dberlin@dberlin.org>
14865 Kenneth Zadeck <zadeck@naturalbridge.com>
14867 * df.h (DF_SCAN, DF_RU, DF_RD, DF_LR, DF_UR, DF_UREC, DF_CHAIN,
14868 DF_RI, DF_LAST_PROBLEM_PLUS1, DF_DU_CHAIN, DF_UD_CHAIN,
14869 DF_REF_TYPE_NAMES, DF_HARD_REGS, DF_EQUIV_NOTES, DF_SUBREGS,
14870 DF_SCAN_BB_INFO, DF_RU_BB_INFO, DF_RD_BB_INFO, DF_LR_BB_INFO,
14871 DF_UR_BB_INFO, DF_UREC_BB_INFO, DF_LIVE_IN, DF_LIVE_OUT,
14872 DF_RA_LIVE_IN, DF_RA_LIVE_OUT, DF_UPWARD_LIVE_IN,
14873 DF_UPWARD_LIVE_OUT, DF_REF_REAL_REG, DF_REF_REGNO,
14874 DF_REF_REAL_LOC, DF_REF_REG, DF_REF_LOC, DF_REF_BB, DF_REF_BBNO,
14875 DF_REF_INSN, DF_REF_INSN_UID, DF_REF_TYPE, DF_REF_CHAIN,
14876 DF_REF_ID, DF_REF_FLAGS, DF_REF_NEXT_REG, DF_REF_PREV_REG,
14877 DF_REF_NEXT_REF, DF_REF_DATA, DF_REF_REG_DEF_P, DF_REF_REG_USE_P,
14878 DF_REF_REG_MEM_STORE_P, DF_REF_REG_MEM_LOAD_P, DF_REF_REG_MEM_P,
14879 DF_DEFS_SIZE, DF_DEFS_GET, DF_DEFS_SET, DF_USES_SIZE, DF_USES_GET,
14880 DF_USES_SET, DF_REG_SIZE, DF_REG_DEF_GET, DF_REG_DEF_SET,
14881 DF_REG_USE_GET, DF_REG_USE_SET, DF_REGNO_FIRST_DEF,
14882 DF_REGNO_LAST_USE, DF_INSN_SIZE, DF_INSN_GET, DF_INSN_SET,
14883 DF_INSN_CONTAINS_ASM, DF_INSN_LUID, DF_INSN_DEFS, DF_INSN_USES,
14884 DF_INSN_UID_GET, DF_INSN_UID_LUID, DF_INSN_UID_DEFS,
14885 DF_INSN_UID_USES, DF_SCAN_INITIAL, DF_SCAN_GLOBAL,
14886 DF_SCAN_POST_ALLOC): New macros.
14887 (df_flow_dir, df_ref_type, df_ref_flags, df_alloc_function,
14888 df_free_bb_function, df_local_compute_function, df_init_function,
14889 df_dataflow_function, df_confluence_function_0,
14890 df_confluence_function_n, df_transfer_function,
14891 df_finalizer_function, df_free_function, df_dump_problem_function,
14892 df_problem, dataflow, df_insn_info, df_reg_info, df_ref, df_link,
14893 df_ref_info, df, df_map, df_scan_bb_info, df_ru_bb_info,
14894 df_ru_bb_info, df_rd_bb_info, df_lr_bb_info, df_ur_bb_info,
14895 df_urec_bb_info, ) New types.
14896 (df_invalidated_by_call, df_all_hard_regs, df_state) New public
14898 (df_init, df_add_problem, df_set_blocks, df_finish, df_analyze,
14899 df_analyze_simple_change_some_blocks,
14900 df_analyze_simple_change_one_block, df_compact_blocks,
14901 df_bb_replace, df_bb_regno_last_use_find,
14902 df_bb_regno_first_def_find, df_bb_regno_last_def_find,
14903 df_insn_regno_def_p, df_find_def, df_find_use,
14904 df_iterative_dataflow, df_dump, df_chain_dump, df_refs_chain_dump,
14905 df_regs_chain_dump, df_insn_debug, df_insn_debug_regno,
14906 df_regno_debug, df_ref_debug, debug_df_insn, debug_df_regno,
14907 debug_df_reg, debug_df_defno, debug_df_useno, debug_df_ref,
14908 debug_df_chain, df_get_dependent_problem, df_chain_create,
14909 df_chain_unlink, df_chain_copy, df_get_live_in, df_get_live_out,
14910 df_grow_bb_info, df_chain_dump, df_print_bb_index,
14911 df_ru_add_problem, df_ru_get_bb_info, df_rd_add_problem,
14912 df_rd_get_bb_info, df_lr_add_problem, df_lr_get_bb_info,
14913 df_ur_add_problem, df_ur_get_bb_info, df_urec_add_problem,
14914 df_urec_get_bb_info, df_chain_add_problem, df_ri_add_problem,
14915 df_reg_lifetime, df_scan_get_bb_info, df_scan_add_problem,
14916 df_rescan_blocks, df_ref_create, df_get_artificial_defs,
14917 df_get_artificial_uses, df_reg_chain_create, df_reg_chain_unlink,
14918 df_ref_remove, df_insn_refs_delete, df_refs_delete,
14919 df_reorganize_refs, df_set_state, df_hard_reg_init,
14920 df_read_modify_subreg_p) New public functions.
14921 * df-core.c: The core dataflow solver and glue routines for rtl
14923 (df_init, df_add_problem, df_set_blocks, df_finish,
14924 df_hybrid_search_forward, df_hybrid_search_backward,
14925 df_iterative_dataflow, df_prune_to_subcfg, df_analyze_problem,
14926 df_analyze, df_get_bb_info, df_set_bb_info, df_bb_replace,
14927 df_bb_regno_last_use_find, df_bb_regno_first_def_find,
14928 df_bb_regno_last_def_find, df_insn_regno_def_p, df_find_def,
14929 df_reg_defined, df_find_use, df_reg_used, df_dump,
14930 df_refs_chain_dump, df_regs_chain_dump, df_insn_debug,
14931 df_insn_debug_regno, df_regno_debug, df_ref_debug, debug_df_insn,
14932 debug_df_reg, debug_df_regno, debug_df_ref debug_df_defno,
14933 debug_df_useno, reset_df_after_reload): New functions.
14934 * df-scan.c: The scanning fuctions, once in df.c, completely
14935 rewritten so that they now fully model the functionality of
14936 register usage at the backend.
14937 (df_scan_free_internal, df_scan_get_bb_info, df_scan_set_bb_info,
14938 df_scan_free_bb_info, df_scan_alloc, df_scan_free, df_scan_dump,
14939 df_scan_add_problem, df_grow_reg_info, df_grow_ref_info,
14940 df_grow_insn_info, df_rescan_blocks, df_ref_create,
14941 df_get_artificial_defs, df_get_artificial_uses,
14942 df_reg_chain_create, df_ref_unlink, df_reg_chain_unlink,
14943 df_ref_remove, df_insn_create_insn_record, df_insn_refs_delete,
14944 df_refs_delete, df_reorganize_refs, df_set_state,
14945 df_ref_create_structure, df_ref_record, df_read_modify_subreg_p,
14946 df_def_record_1, df_defs_record, df_uses_record,
14947 df_insn_contains_asm_1, df_insn_contains_asm, df_insn_refs_record,
14948 df_has_eh_preds, df_bb_refs_record, df_refs_record, df_mark_reg,
14949 df_record_exit_block_uses, df_hard_reg_init): New functions.
14951 * df-problems.c: Seven concrete dataflow problems that use the
14952 scanning in df-scan.c and are solved by the engine in df-core.c.
14953 (df_get_dependent_problem, df_chain_create, df_chain_unlink,
14954 df_chain_copy, df_get_live_in, df_get_live_out, df_grow_bb_info,
14955 df_chain_dump, df_print_bb_index, df_ref_bitmap, df_set_seen,
14956 df_unset_seen, df_ru_get_bb_info, df_ru_set_bb_info,
14957 df_ru_free_bb_info, df_ru_alloc,
14958 df_ru_bb_local_compute_process_def,
14959 df_ru_bb_local_compute_process_use, df_ru_bb_local_compute,
14960 df_ru_local_compute, df_ru_init_solution, df_ru_confluence_n,
14961 df_ru_transfer_function, df_ru_free, df_ru_dump,
14962 df_ru_add_problem, df_rd_get_bb_info, df_rd_set_bb_info,
14963 df_rd_free_bb_info, df_rd_alloc,
14964 df_rd_bb_local_compute_process_def, df_rd_bb_local_compute,
14965 df_rd_local_compute, df_rd_init_solution, df_rd_confluence_n,
14966 df_rd_transfer_function, df_rd_free, df_rd_dump,
14967 df_rd_add_problem, df_lr_get_bb_info, df_lr_set_bb_info,
14968 df_lr_free_bb_info, df_lr_alloc, df_lr_bb_local_compute,
14969 df_lr_local_compute, df_lr_init, df_lr_confluence_0,
14970 df_lr_confluence_n, df_lr_transfer_function, df_lr_free,
14971 df_lr_dump, df_lr_add_problem, df_ur_get_bb_info,
14972 df_ur_set_bb_info, df_ur_free_bb_info, df_ur_alloc,
14973 df_ur_bb_local_compute, df_ur_local_compute, df_ur_init,
14974 df_ur_local_finalize, df_ur_confluence_n, df_ur_transfer_function,
14975 df_ur_free, df_ur_dump, df_ur_add_problem, df_urec_get_bb_info,
14976 df_urec_set_bb_info, df_urec_free_bb_info, df_urec_alloc,
14977 df_urec_mark_reg_change, df_urec_check_earlyclobber,
14978 df_urec_mark_reg_use_for_earlyclobber,
14979 df_urec_mark_reg_use_for_earlyclobber_1, df_urec_bb_local_compute,
14980 df_urec_local_compute, df_urec_init, df_urec_local_finalize,
14981 df_urec_confluence_n, df_urec_transfer_function, df_urec_free,
14982 df_urec_dump, df_urec_add_problem, df_chain_alloc,
14983 df_chain_create_bb_process_use, df_chain_create_bb,
14984 df_chain_finalize, df_chain_free, df_chains_dump,
14985 df_chain_add_problem, df_ri_alloc, df_ri_bb_compute,
14986 df_ri_compute, df_ri_free, df_ri_dump, df_ri_add_problem,
14987 df_reg_lifetime): New functions.
14988 * df.c: Deleted file.
14989 * ddg.c (create_ddg_dep_no_link, build_inter_loop_deps): Made code
14990 consistent with new df api.
14991 * modulo-sched.c (sms_schedule, rest_of_handle_sms,
14992 rest_of_handle_sms): Ditto.
14993 * web.c (unionfind_union, union_defs, entry_register, web_main):
14995 * loop_invariant.c (invariant_for_use, hash_invariant_expr_1,
14996 invariant_expr_equal_p, find_defs, check_dependencies,
14997 find_invariant_insn, find_invariants_to_move, move_invariant_reg,
14998 free_inv_motion_data, move_loop_invariants): Ditto.
14999 * Makefile.in (df.c, df-scan.c df-problems.c df-core.c):
15000 Update dependencies.
15001 (odf.c): Added defective entry that was deleted later in day.
15002 * sched-deps.c (sched_analyze_1): Ditto.
15004 2006-01-11 Zdenek Dvorak <dvorakz@suse.cz>
15006 * tree-ssa-operands.c (get_expr_operands): Record addressable
15007 variables directly. Do not call add_stmt_operands for CONST_DECLs
15009 (get_indirect_ref_operands): Remove handling of *(&a + offset) case.
15010 (add_stmt_operands): Handle only objects satisfying SSA_VAR_P.
15012 2006-01-11 Ben Elliston <bje@au.ibm.com>
15014 * config/i386/i386.c (ix86_return_in_memory): Fix comment: this
15015 function returns true in the positive case.
15017 2006-01-10 John David Anglin <dave.anglin@nrc-cnrc.gc.ca>
15020 * config/pa/pa.md: Create separate 32 and 64-bit move patterns
15021 for SI, DI, SF and DF modes. Add alternatives to copy between
15022 general and floating point registers to the 32-bit patterns.
15023 * config/pa/pa-64.h (SECONDARY_MEMORY_NEEDED_RTX): Delete undefine.
15024 * config/pa/pa.h (SECONDARY_MEMORY_NEEDED_RTX): Delete define.
15025 (SECONDARY_MEMORY_NEEDED): Secondary memory is only needed when
15026 generating 64-bit code.
15027 * config/pa/pa.c (output_move_double): Handle copies between general
15028 and floating registers.
15030 2006-01-10 Stuart Hastings <stuart@apple.com>
15032 * config/i386/i386.md (set_got): Update.
15033 (set_got_labelled): New. (UNSPEC_LD_MPIC): New.
15034 (builtin_setjmp_receiver): Mach-O support.
15035 * config/i386/darwin.h (TARGET_ASM_FILE_END) Define.
15036 (GOT_SYMBOL_NAME): Define.
15037 (FORCE_PREFERRED_STACK_BOUNDARY_IN_MAIN): New.
15038 (TARGET_DEEP_BRANCH_PREDICTION): Remove.
15039 * config/i386/i386.c (override_options): Revise for Darwin.
15040 (USE_HIDDEN_LINKONCE): Enable for Mach-O. (ix86_file_end): Mach-O
15041 support. (darwin_x86_file_end): New. (output_set_got): Add label
15042 parameter, revise for Mach-O. (x86_output_mi_thunk): Likewise.
15043 * config/i386/i386-protos.h (output_set_got): Likewise.
15044 * config/darwin.c (machopic_legitimize_pic_address): Update
15047 2006-01-10 Kaz Kojima <kkojima@gcc.gnu.org>
15049 * config/sh/sh.h (SH5_WOULD_BE_PARTIAL_NREGS): Use GET_MODE_SIZE
15050 when MODE isn't BLKmode.
15052 2006-01-10 Eric Botcazou <ebotcazou@libertysurf.fr>
15054 PR rtl-optimization/25367
15055 * config/sparc/sparc.h (HARD_REGNO_RENAME_OK): New macro.
15057 2006-01-10 Hans-Peter Nilsson <hp@axis.com>
15060 * config/cris/cris.md ("uminsi3"): Don't use 8- or 16-bit sizes
15061 for a negative bound.
15063 2006-01-10 Richard Guenther <rguenther@suse.de>
15065 * tree-ssa-structalias.c (get_constraint_for_component_ref):
15066 Never override with anything constraint.
15068 2006-01-10 Jan Beulich <jbeulich@novell.com>
15070 * config/i386/i386.c (ix86_data_alignment): Don't force alignment to
15071 256 bits when optimize_size.
15073 2006-01-10 Jan Beulich <jbeulich@novell.com>
15075 * config/i386/netware.h (TARGET_SUBTARGET_DEFAULT): Include
15077 * config/i386/nwld.h (LINK_SPEC): Add --extensions:GNU option.
15078 * config/i386/t-nwld (SHLIB_LINK): Insert spaces between expr
15081 2006-01-10 Ben Elliston <bje@au.ibm.com>
15083 * config/rs6000/predicates.md (easy_fp_constant): Discount decimal
15085 * config/rs6000/rs6000.c (rs6000_scalar_mode_supported_p): New.
15086 (TARGET_SCALAR_MODE_SUPPORTED_P): Define.
15087 (USE_FP_FOR_ARG): Reject decimal float modes.
15088 (function_arg_advance): Likewise.
15089 (output_toc): Handle emitting TDmode, DDmode and SDmode constants.
15090 (rs6000_handle_altivec_attribute): Do not permit decimal floating
15091 point types in AltiVec vectors.
15092 (rs6000_function_value): Use GP_ARG_RETURN for decimal floats.
15093 (rs6000_libcall_value): Likewise.
15095 2006-01-09 Bob Wilson <bob.wilson@acm.org>
15097 * config/xtensa/ieee754-df.S: New file.
15098 * config/xtensa/ieee754-sf.S: New file.
15099 * config/xtensa/t-xtensa (LIB2FUNCS_EXTRA): Remove fp-bit.c & dp-bit.c.
15100 (LIB1ASMFUNCS): Add SFmode and DFmode floating-point functions.
15101 * config/xtensa/lib1funcs.asm: Include ieee754-df.S and ieee754-sf.S.
15103 2006-01-09 Kazu Hirata <kazu@codesourcery.com>
15105 * config/sh/predicates.md (binary_float_operator,
15106 binary_logical_operator, commutative_float_operator,
15107 equality_comparison_operator, greater_comparison_operator,
15108 less_comparison_operator, logical_operator,
15109 noncommutative_float_operator, shift_operator,
15110 symbol_ref_operand, unary_float_operator): Remove redundant
15113 2006-01-09 Jeff Law <law@redhat.com>
15115 * tree-ssa-dom.c (simplify_cond_and_lookup_avail_expr): Remove
15116 code to propagate the RHS of a cast into COND_EXPR_COND. Remove
15117 now unused arguments. Callers updated.
15118 (eliminate_redundant_computations): Remove now unused arguments,
15120 (local_fold): Remove, no longer used.
15121 (find_equivalent_equality_comparison): Removed from tree-ssa-dom.c
15123 * tree-ssa-forwprop.c (find_equivalent_equality_comparison): Here.
15124 (simplify_cond): New function.
15125 (forward_propagate_into_cond): Call simplify_cond.
15127 2006-01-09 Alexandre Oliva <aoliva@redhat.com>
15129 * config/i386/sse.md (*vec_extractv2di_1_sse2): New.
15130 (*vec_extractv2di_1_sse): New.
15132 2006-01-09 Ben Elliston <bje@au.ibm.com>
15134 * config/rs6000/rs6000.h (GO_IF_LEGITIMATE_ADDRESS): Typo fix.
15136 2006-01-08 Richard Guenther <rguenther@suse.de>
15138 * tree-ssa-structalias.c (get_constraint_for): Remove
15139 anyoffset argument.
15140 (get_constraint_for_component_ref): Likewise.
15141 (do_deref): Likewise.
15142 (get_constraint_for): Likewise.
15143 (do_structure_copy): Likewise.
15144 (handle_ptr_arith): Likewise.
15145 (find_func_aliases): Likewise. Remove unused need_anyoffset
15148 2006-01-08 J"orn Rennecke <joern.rennecke@st.com>
15149 Kaz Kojima <kkojima@gcc.gnu.org>
15151 * config/sh/sh.h (CONST_OK_FOR_K16): Define.
15152 (CONST_OK_FOR_K): Add CONST_OK_FOR_K16 case.
15153 (EXTRA_CONSTRAINT_C16): Remove.
15154 (EXTRA_CONSTRAINT_Css, EXTRA_CONSTRAINT_Csu): Define.
15155 (EXTRA_CONSTRAINT_C): Remove EXTRA_CONSTRAINT_C16 case and add
15156 EXTRA_CONSTRAINT_Css and EXTRA_CONSTRAINT_Csu cases.
15157 * config/sh/sh.c (print_operand): Handle unsigned 16-bit symbolic
15158 constants of SHmedia. Handle nested constant expressions of
15160 (andcosts): Fix the costs for SHmedia constants.
15161 (sh_rtx_costs): Take account of outer_code for SHmedia constants.
15162 * config/sh/sh.md (*movsi_media): Use Css constraint instead of C16.
15163 (*movsi_media_nofpu, *movqi_media, *movhi_media): Likewise.
15164 (*movdi_media, *movdi_media_nofpu, movv8qi_i, movv2hi_i): Likewise.
15165 (movv4hi_i, movv2si_i): Likewise.
15166 (movsi_const): Adjust the second operand of ior so to match with
15167 the Csu constraint.
15168 (movdi_const, movdi_const_32bit): Likewise.
15169 (movdi_const_16bit+1): Don't sign-extend LOW.
15170 (movdi_const_16bit+2): Likewise. Remove the zero_extend and truncate
15172 (*double_shori): Fix the split condition. Use GEN_INT instead
15173 of get_int_mode calls. Mask lower 16-bit of the argument of
15175 (sym2GOTPLT): Remove.
15176 (symGOTPLT2reg): Replace gen_sym2GOTPLT with gen_rtx_CONST and
15178 * config/sh/predicates.md (arith_operand): Use EXTRA_CONSTRAINT_Css
15179 instead of EXTRA_CONSTRAINT_C16.
15181 2006-01-07 Ian Lance Taylor <ian@airs.com>
15182 David Edelsohn <edelsohn@gnu.org>
15184 PR rtl-optimization/25662
15185 * optabs.c (simplify_expand_binop): Use simplify_binary_operation
15186 for constant operands instead of simplify_gen_binary.
15187 * simplify-rtx.c (simplify_gen_binary): Swap commutative operands
15188 after trying simplify_binary_operation
15190 2006-01-06 Daniel Berlin <dberlin@dberlin.org>
15192 * tree.c (iterative_hash_expr): Hash decls based on UID.
15194 2006-01-06 Eric Christopher <echristo@apple.com>
15196 * doc/tm.texi (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): Document.
15197 (TARGET_UNWIND_EMIT): Fix spelling.
15198 * target.h (gcc_target): Add except_table_label.
15199 * except.c (output_function_exception_table): Use.
15200 * varasm.c (default_emit_except_table_label): New.
15201 * target-def.h (TARGET_ASM_EMIT_EXCEPT_TABLE_LABEL): New default
15203 (asm_out): Add here.
15204 * output.h (default_emit_except_table_label): Prototype.
15205 * config/darwin-protos.h (darwin_emit_except_table_label): Ditto.
15206 * config/darwin.c (darwin_emit_except_table_label): Define.
15207 * config/darwin.h (TARGET_ASM_EMIT_EXCEPT_TABLE): Ditto.
15209 2006-01-06 Zdenek Dvorak <dvorakz@suse.cz>
15211 PR tree-optimization/18527
15212 * tree-ssa-loop-niter.c (number_of_iterations_cond,
15213 number_of_iterations_special, number_of_iterations_exit):
15214 Move base and step of an iv to a single structure. Add
15215 no_overflow flag, and use it in # of iterations analysis.
15216 * tree-scalar-evolution.c (analyze_scalar_evolution_in_loop): Add
15217 folded_casts argument.
15218 (simple_iv): Pass base and step in a structure. Set no_overflow
15220 (scev_const_prop): Add argument to analyze_scalar_evolution_in_loop.
15221 Evaluate expensiveness of computing # of iterations instead of
15222 the final expression.
15223 * tree-scalar-evolution.h (affine_iv): New structure.
15224 (simple_iv): Declaration changed.
15225 * tree-chrec.c (chrec_apply): Handle chrecs containing symbols.
15226 * tree-ssa-loop-ivopts.c (determine_biv_step, find_givs_in_stmt_scev,
15227 find_givs_in_stmt): Changed due to simple_iv change.
15229 2006-01-06 Jeff Law <law@redhat.com>
15232 * tree-cfg.c (bsi_replace): Rename final argument from
15233 PRESERVE_EH_INFO to UPDATE_EH_INFO. Fix typo in last
15234 change (stmt -> orig_stmt).
15235 * tree-eh.c (verify_eh_throw_stmt_node): New function.
15236 (bsi_remove): Add new argument. Remove EH information
15238 (verify_eh_throw_table_statements): New function.
15239 (bsi_remove): Add new argument REMOVE_EH_INFO. All callers
15241 * tree-optimize.c (execute_free_cfg_annotations): Verify
15242 the EH throw statement table after removing annotations.
15243 * except.h (verify_eh_throw_table_statements): Prototype.
15244 * tree-flow.h (bsi_remove): Update prototype.
15245 * tree-vrp.c (remove_range_assertions): Add new argument to
15247 * tree-ssa-loop-im.c (move_computations_stmt): Likewise.
15248 * tree-complex.c (expand_complex_div_wide): Likewise.
15249 * tree-ssa-threadupdate.c (remove_ctrl_stmt_and_useless_edges): Likewise
15250 * tree-tailcall.c (eliminate_tailcall): Likewise.
15251 * tree-ssa-dse.c (dse_optimize_stmt): Likewise.
15252 * tree-ssa-loop-ivopts.c (remove_statement): Likewise.
15253 * tree-nrv.c (tree_nrv): Likewise.
15254 * tree-vectorizer.c (slpeel_make_loop_iterate_ntimes): Likewise.
15255 * tree-if-conv.c (tree_if_convert_cond_expr): Likewise.
15256 (combine_blocks): Likewise.
15257 * tree-ssa-phiopt.c (replace_phi_edge_with_variable): Likewise.
15258 * tree-cfgcleanup.c (cleanup_ctrl_expr_graph): Likewise.
15259 (cleanup_control_flow): Likewise.
15260 (remove_forwarder_block): Likewise.
15261 * tree-ssa-pre.c (remove_dead_inserted_code): Likewise.
15262 * tree-sra.c (sra_replace): Likewise.
15263 * tree-ssa-forwprop.c (forward_propagate_into_cond): Likewise.
15264 (forward_propagate_single_use_vars): Likewise.
15265 * tree-ssa-dce.c (remove_dead_stmt): Likewise.
15266 * tree-inline.c (expand_call_inline): Likewise.
15267 * tree-vect-transform.c (vect_transform_loop): Likewise.
15268 * tree-outof-ssa.c (rewrite_trees): Likewise.
15269 * tree-cfg.c (make_goto_expr_edges): Likewise.
15270 (cleanup_dead_labels): Likewise.
15271 (tree_merge_blocks, remove_bb, disband_implicit_edges): Likewise.
15272 (bsi_move_before, bsi_move_after): Likewise.
15273 (bsi_move_to_bb_end, try_redirect_by_replacing_jump): Likewise
15274 (tree_redirect_edge_and_branch, tree_split_block): Likewise.
15276 2006-01-06 Andrew Pinski <pinskia@physics.uc.edu>
15279 * tree-ssa-alias.c (find_used_portions): Handle REALPART_EXPR
15281 * tree-flow-inline.h (var_can_have_subvars): Handle complex types
15282 on non gimple variables. Also add checks at the top for decls and
15284 * tree-ssa-structalias.c (push_fields_onto_fieldstack): Handle
15286 * tree-ssa-operands.c (parse_ssa_operands): Handle REALPART_EXPR
15287 and IMAGPART_EXPR for creating MUST_DEFs.
15288 (get_expr_operands): Handle SSA_NAME, STRUCT_FIELD_TAG, TYPE_MEMORY_TAG,
15289 and NAME_MEMORY_TAG separately from the DECLs.
15291 2006-01-06 Richard Guenther <rguenther@suse.de>
15293 * tree-dfa.c (mark_new_vars_to_rename): Create stmt
15294 annotation, if necessary.
15295 * tree-ssa-pre.c (create_expression_by_pieces): Remove
15296 redundant calls to update_stmt.
15297 * tree-ssa-forwprop.c (tidy_after_forward_propagate_addr):
15300 2006-01-05 Richard Henderson <rth@redhat.com>
15302 * c-parser.c (c_parser_objc_methodprotolist): Handle CPP_PRAGMA.
15304 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15306 * c-typeck.c: Update copyright date.
15308 2006-01-05 Carlos O'Donell <carlos@codesourcery.com>
15310 * c-typeck.c (build_c_cast): Always warn when casting
15311 from a pointer to an integer of different size, even if
15312 the node was constant.
15314 2006-01-05 Richard Guenther <rguenther@suse.de>
15316 PR tree-optimization/22555
15317 * tree-ssa-alias.c (create_overlap_variables_for): Do not give up,
15318 if one structure field is an array.
15319 * tree-ssa-operands.c (get_expr_operands): Continue scanning
15320 operands even if we found a subvar, but ignore VOPs in this
15322 * tree-ssa-loop-ivopts.c (rewrite_use): Mark new vars in stmt
15324 * tree-ssa-loop.c (pass_iv_optimize): Schedule TODO_update_ssa.
15326 2006-01-05 Richard Earnshaw <rearnsha@arm.com>
15328 PR middle-end/24998
15329 * arm/t-netbsd (LIB2FUNCS_EXTRA): Define.
15331 2006-01-05 Richard Guenther <rguenther@suse.de>
15332 Diego Novillo <dnovillo@redhat.com>
15334 * tree-pass.h (TODO_remove_unused_locals): Define.
15335 * gimple-low.c (expand_var_p, remove_useless_vars,
15336 pass_remove_useless_vars): Remove. Update all users.
15337 * tree-ssa-live.c (mark_all_vars_used_1): Handle SSA names.
15338 (remove_unused_locals): New function.
15339 * tree-flow.h (remove_unused_locals): Declare.
15340 * passes.c (execute_todo): Call remove_unused_locals if
15341 TODO_remove_unused_locals is set.
15342 * tree-into-ssa.c (pass_build_ssa): Add TODO_remove_unused_locals.
15343 * tree-ssa-dce.c (pass_dce): Likewise.
15344 * tree-outof-ssa.c (pass_del_ssa): Likewise.
15346 2006-01-05 Richard Guenther <rguenther@suse.de>
15348 * tree-flow.h (struct fieldoff): Decompose field to
15349 type, size and decl.
15350 * tree-ssa-alias.c (create_sft): Take type as parameter.
15351 (create_overlap_variables_for): Store type, size and decl
15352 in the fieldoff structure.
15353 * tree-ssa-structalias.c (fieldoff_compare): Adjust users
15354 of struct fieldoff.
15355 (push_fields_onto_fieldstack): Likewise.
15356 (create_variable_info_for): Likewise. Use offset for the
15357 SFT name if the decl is not available.
15359 2006-01-04 Paul Brook <paul@codesourcery.com>
15361 * config/m68k/m68k.c (m68k_output_mi_thunk): Use jmp, not jsr.
15363 2006-01-04 Daniel Berlin <dberlin@dberlin.org>
15365 * lambda-code.c (can_put_in_inner_loop): Relax
15367 (can_put_after_inner_loop): New function.
15368 (can_convert_to_perfect_nest): Use can_put_after_inner_loop as well.
15369 (perfect_nestify): Change to make copies and modify uses.
15371 2006-01-04 Richard Henderson <rth@redhat.com>
15373 Merge from gomp branch:
15374 * c-lex.c (c_lex_with_flags) <CPP_PRAGMA>: Smuggle pragma id
15375 via integer constant.
15376 (pragma_lex): Remove.
15377 * c-pch.c (c_common_pch_pragma): Accept the name as an argument,
15378 rather than parsing it.
15379 * c-pragma.c (handle_pragma_weak, handle_pragma_redefine_extname,
15380 handle_pragma_extern_prefix): Add %< %> quotes.
15381 (registered_pragmas): New.
15382 (c_register_pragma_1): New.
15383 (c_register_pragma): Use it.
15384 (c_register_pragma_with_expansion): Likewise.
15385 (c_invoke_pragma_handler): New.
15386 (init_pragma): Use cpp_register_deferred_pragma directly for
15388 * c-pragma.h (enum pragma_kind): New.
15389 (pragma_handler): New.
15390 (c_invoke_pragma_handler): Declare.
15391 * c-common.c (c_parse_error): Pretty print CPP_PRAGMA and
15393 * c-common.h (c_common_pch_pragma): Update decl.
15394 * Makefile.in (c-parser.o): Update dependencies.
15395 (GTFILES): Add c-pragma.h.
15396 * c-parser.c (struct c_token): Add pragma_kind.
15397 (struct c_parser): Add in_pragma.
15398 (c_lex_one_token): Always initialize keyword and pragma_kind.
15399 Extract data for CPP_PRAGMA.
15400 (c_parser_peek_2nd_token): Deny CPP_PRAGMA_EOL.
15401 (c_parser_consume_token): Don't allow CPP_PRAGMA unless errors.
15402 Don't allow CPP_PRAGMA_EOL if in_pragma.
15403 (c_parser_consume_pragma): New.
15404 (c_parser_skip_until_found): Stop on CPP_PRAGMA_EOL.
15405 (c_parser_skip_to_end_of_parameter): Likewise.
15406 (c_parser_skip_to_end_of_block_or_statement): Likewise.
15407 (c_parser_skip_to_pragma_eol): New.
15408 (c_parser_external_declaration): Handle CPP_PRAGMA.
15409 (c_parser_compound_statement_nostart): Likewise.
15410 (c_parser_statement_after_labels): Likewise.
15411 (c_parser_pragma): New.
15412 (pragma_lex): Likewise.
15413 (c_parser_pragma_pch_preprocess): New.
15414 (c_parser_new): Merge into ...
15415 (c_parse_file): ... here. Call c_parser_pragma_pch_preprocess.
15417 2006-01-04 Jeff Law <law@redhat.com>
15420 * tree-cfg.c (bsi_replace): Remove the original statement
15421 from the EH throw statement table.
15423 2006-01-04 Jakub Jelinek <jakub@redhat.com>
15425 * config/i386/pmm_malloc.h (posix_memalign): If __cplusplus,
15426 make the prototype extern "C" and add throw ().
15429 * config/i386/i386.md (testqi_ext_3): Ensure len is positive
15430 and pos non-negative and pos + len <= 32.
15431 (testqi_ext_3_rex64): Ensure len is positive and pos non-negative,
15432 drop pos + len < HOST_BITS_PER_WIDE_INT test.
15433 (testqi_ext_3* splitter): Handle pos + len == HOST_BITS_PER_WIDE_INT.
15436 * c-common.c (handle_vector_size_attribute): Reject zero vector size
15437 as well as sizes not multiple of component size.
15440 * function.c (instantiate_expr): New function.
15441 (instantiate_decls_1, instantiate_decls): If DECL_HAS_VALUE_EXPR_P,
15442 walk its DECL_VALUE_EXPR with instantiate_expr.
15444 * dwarf2out.c (loc_descriptor_from_tree_1): Don't add
15445 DW_OP_deref{,_size} if address isn't going to be added.
15447 2006-01-04 Ben Elliston <bje@au.ibm.com>
15449 * config/fp-bit.h: Use top-of-file comment from libgcc2.c.
15450 * config/fp-bit.c: Likewise.
15452 2006-01-03 Daniel Berlin <dberlin@dberlin.org>
15454 * dominance.c: Add comment about why we use DFS numbering
15457 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15458 Richard Henderson <rth@redhat.com>
15460 Merge from gomp-branch:
15461 * varasm.c (assemble_variable): Handle thread-local COMMON data.
15462 * defaults.h (ASM_OUTPUT_TLS_COMMON): Define.
15464 2006-01-03 Paolo Bonzini <bonzini@gnu.org>
15466 PR rtl-optimization/25578
15467 * combine.c (combine_simplify_rtx, force_to_mode): Don't
15468 pass a parameter to simplify_shift_const if changing ASHIFTRT
15471 2006-01-03 Adrian Straetling <straetling@de.ibm.com>
15473 * builtins.c (get_builtin_sync_mem): New function.
15474 (expand_builtin_sync_operation, expand_builtin_compare_and_swap,
15475 expand_builtin_lock_test_and_set, expand_builtin_lock_release):
15476 Call get_builtin_sync_mem to generate mem rtx.
15478 2006-01-03 Richard Guenther <rguenther@suse.de>
15481 * stmt.c (add_case_node): Make sure to clear overflow flags
15484 2006-01-03 Jakub Jelinek <jakub@redhat.com>
15486 Merge from gomp-branch.
15487 * config/sparc/sync.md: New file.
15488 * config/sparc/sparc.md (UNSPECV_MEMBAR, UNSPECV_CAS, UNSPECV_SWAP,
15489 UNSPECV_LDSTUB): New constants.
15490 * config/sparc/sparc.c (sparc_expand_compare_and_swap_12): New function.
15491 * config/sparc/predicates.md (memory_reg_operand): New predicate.
15492 * config/sparc/sparc-protos.h (sparc_expand_compare_and_swap_12): New
15495 2006-01-03 Roger Sayle <roger@eyesopen.com>
15497 * combine.c (reg_subword_p): New predicate to test whether the
15498 destination of a set refers to a subword/piece of a register.
15499 (try_combine): Generalize the code to merge the setting of a
15500 pseudo to a constant followed by a set of a subword of that
15501 register to a constant.
15503 2006-01-03 Kazu Hirata <kazu@codesourcery.com>
15505 * basic-block.h (control_flow_graph): Change the type of
15506 x_label_to_block_map to VEC(basic_block,gc) *.
15507 * tree-cfg.c (init_empty_tree_cfg, label_to_block_fn,
15508 set_bb_for_stmt): Adjust the uses of x_label_to_block_map.
15510 * tree-ssa-propagate.c (cfg_blocks): Change the type to
15511 VEC(basic_block,heap) *.
15512 (cfg_blocks_add, cfg_blocks_get, ssa_prop_init,
15513 ssa_prop_fini): Adjust the uses of cfg_blocks.
15515 2006-01-03 Steven Bosscher <stevenb.gcc@gmail.com>
15517 * fold-const.c (operand_equal_p): Accept a NULL operand 0 for
15519 * emit-rtl.c (mem_attrs_htab_eq): Use iterative_hash_expr for
15520 hashing trees instead of a pointer hash.
15521 (mem_attrs_htab_eq): Do a deep compare instead of a pointer
15522 compare for MEM_EXPR.
15524 PR rtl-optimization/25130
15525 * cse.c (exp_equiv_p): Compare MEM_ATTRS instead of MEM_ALIAS_SET
15526 when comparing MEMs for GCSE
15528 2006-01-03 Ben Elliston <bje@au.ibm.com>
15530 * targhooks.h (default_decimal_float_supported_p): Declare.
15531 * targhooks.c (default_decimal_float_supported_p): Define.
15532 * target-def.h (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Redefine to
15533 `default_decimal_float_supported_p'.
15534 * doc/tm.texi (TARGET_DECIMAL_FLOAT_SUPPORTED_P): Update.
15536 2006-01-02 Adam Nemet <anemet@caviumnetworks.com>
15538 * combine.c (apply_distributive_law <SUBREG>): Check
15539 TRULY_NOOP_TRUNCATION.
15541 2006-01-02 Geoffrey Keating <geoffk@apple.com>
15543 * dwarf2out.c (have_switched_text_section): Delete.
15544 (have_multiple_function_sections): New.
15545 (have_location_lists): Make 'bool'.
15546 (add_AT_loc_list): Use 'true' not '1'.
15547 (dwarf2out_switch_text_section): Set have_multiple_function_sections.
15548 (output_loc_list): Use have_multiple_function_sections.
15549 (output_ranges): Likewise.
15550 (dwarf2out_begin_function): Set have_multiple_function_sections if
15552 (dwarf2out_source_line): Don't fake separate_line_info_table_in_use.
15553 Check function_section rather than DECL_SECTION_NAME.
15554 (dwarf2out_finish): Use have_multiple_function_sections.
15555 Don't clear have_location_lists.
15557 2006-01-02 Eric Botcazou <ebotcazou@adacore.com>
15558 Jan Hubicka <jh@suse.cz>
15560 * cfglayout.c (fixup_reorder_chain): Remove kludge for the
15561 case of conditional jump jumping to the next instruction.
15562 * cfgrtl.c (force_nonfallthru_and_redirect): Accept all
15563 cases of conditional jump jumping to the next instruction.
15565 2006-01-02 Jan Hubicka <jh@suse.cz>
15567 * i386.c (*_cost): Add COSTS_N_INSNS.
15568 (ix86_rtx_costs): Do not use COSTS_N_INSNS.
15570 2006-01-02 Paolo Bonzini <bonzini@gnu.org>
15573 * Makefile.in (DECNUMINC): Include libdecnumber's build directory.
15575 2006-01-02 Volker Reichelt <reichelt@igpm.rwth-aachen.de>
15577 * config/arm/arm.c (all_fpus): Fix comment typo.
15578 * config/darwin.c: Likewise.
15579 * config/frv/frv.h (FRV_STRUCT_VALUE_REGNUM): Likewise.
15580 * config/h8300/h8300.md (extendqisi2_h8300hs): Likewise.
15581 * config/m68hc11/m68hc11.c (m68hc11_reload_operands): Likewise.
15583 2006-01-01 David Edelsohn <edelsohn@gnu.org>
15585 * config/rs6000/rs6000.c (rs6000_expand_compare_and_swapqhi): New.
15586 (rs6000_split_compare_and_swapqhi): New.
15587 * config/rs6000/sync.md (sync_compare_and_swap{hi,qi}): New.
15588 (sync_compare_and_swapqhi_internal): New.
15589 * config/rs6000/rs6000-protos.h: Declare.